CN113501299A - Automatic turnover machine for bathroom products - Google Patents

Automatic turnover machine for bathroom products Download PDF

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Publication number
CN113501299A
CN113501299A CN202111063567.XA CN202111063567A CN113501299A CN 113501299 A CN113501299 A CN 113501299A CN 202111063567 A CN202111063567 A CN 202111063567A CN 113501299 A CN113501299 A CN 113501299A
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CN
China
Prior art keywords
frame
clamping
telescopic cylinder
movable frame
workpiece
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Granted
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CN202111063567.XA
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Chinese (zh)
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CN113501299B (en
Inventor
何志铿
彭大成
李军
马宝荣
王忠明
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Guangdong Crystal Island Intelligent Health Co ltd
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Guangdong Crystal Island Intelligent Health Co ltd
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Priority to CN202111063567.XA priority Critical patent/CN113501299B/en
Publication of CN113501299A publication Critical patent/CN113501299A/en
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Publication of CN113501299B publication Critical patent/CN113501299B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
    • B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
    • B65G47/248—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • B65G47/902—Devices for picking-up and depositing articles or materials provided with drive systems incorporating rotary and rectilinear movements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

The invention relates to the technical field of workpiece turnover instruments, in particular to an automatic turnover machine for bathroom products, which comprises: the lifting mechanism comprises a portal frame, a fixed frame, a lifting driving device and a movable frame, wherein the fixed frame is arranged on the portal frame, the lifting driving device is arranged on the fixed frame, and the movable frame is arranged at the output end of the lifting driving device; the turnover mechanism comprises a rotary driving device, a gear and a turntable, wherein the rotary driving device is arranged on the movable frame, the gear is arranged at the output end of the rotary driving device, the turntable is rotatably arranged on the movable frame, a transmission chain is wound on the turntable, and the transmission chain is meshed with the gear; and the clamp mechanism is connected with the turntable and used for clamping the workpiece. A pit does not need to be dug on the overturning station, so that the trouble of production line arrangement is reduced, and the difficulty of production line design and arrangement is reduced; the production line can be flexibly adjusted according to the requirement in the follow-up process; the automatic turnover machine is convenient to assemble, disassemble and maintain.

Description

Automatic turnover machine for bathroom products
Technical Field
The invention relates to the technical field of workpiece overturning instruments, in particular to an automatic overturning machine for bathroom products.
Background
In the production process of the existing large-scale bathroom products, such as bathtubs and mobile swimming pools, semi-finished products need to be turned over; most of the products are in the transmission line on the ground in the production process, and the products are very troublesome to turn over due to heavy weight and large volume. In the prior art, when a large bathroom product is produced, a pit is usually dug on a turning station of a production line (namely, the pit is dug on the ground); then arranging the tilter on the pit, and enabling the area of the tilter for accommodating the workpiece to be flush with the ground; when the product is conveyed to the turnover station on the conveying line, the product directly enters the turnover machine through the conveying line; and then the turnover machine clamps and turns over the workpiece, and the turned product is conveyed to the next station by the conveying line. The production mode needs to dig pits on the ground of a factory, the workload is large, and the production line is difficult to flexibly change after digging pits; on the other hand, the turnover machine is arranged in the pit, and is inconvenient to install, maintain and dismount.
Disclosure of Invention
The invention aims to provide an automatic turnover machine for a bathroom product, and aims to solve the technical problems that in the prior art, a turnover machine needs to be installed by digging a pit, so that later maintenance and loading and unloading are inconvenient, and a production line cannot be flexibly adjusted.
In order to achieve the above object, the present invention provides an automatic turnover machine for bathroom products, comprising:
the lifting mechanism comprises a portal frame, a fixed frame, a lifting driving device and a movable frame, wherein the fixed frame is arranged on the portal frame, the lifting driving device is arranged on the fixed frame, and the movable frame is arranged at the output end of the lifting driving device;
the turnover mechanism comprises a rotary driving device, a gear and a turntable, wherein the rotary driving device is installed on the movable frame, the gear is installed at the output end of the rotary driving device, the turntable is rotatably installed on the movable frame, a transmission chain is wound on the turntable, and the transmission chain is meshed with the gear;
and the clamp mechanism is connected with the turntable and used for clamping the workpiece. A pit does not need to be dug on the overturning station, so that the trouble of production line arrangement is reduced, and the difficulty of production line design and arrangement is reduced; the production line can be flexibly adjusted according to the requirement in the follow-up process; the automatic turnover machine is directly arranged on the ground, and is convenient to install, maintain and disassemble.
Preferably, the portal frame includes left branch strut, right branch strut and crossbearer, the left branch strut with the right branch strut is parallel to each other and the interval sets up, the both ends of crossbearer are equipped with the movable pulley, the movable pulley slidable erects on the left branch strut with the right branch strut. The whole structure has higher stability and larger bearing capacity, and the workpiece is more stable to lift and is not easy to shake; the lifting mechanism can simultaneously operate a plurality of workpieces on the production line, so that the production efficiency is improved, and the equipment cost is reduced.
Preferably, the fixed frame comprises a left fixed frame and a right fixed frame which are arranged on the portal frame and symmetrically arranged relative to the central line of the portal frame; the movable frame comprises a left movable frame and a right movable frame, and the lifting driving device comprises a first telescopic cylinder and a second telescopic cylinder; the first telescopic cylinder is installed on the left fixed frame, and the left movable frame is installed at the output end of the first telescopic cylinder; the second telescopic cylinder is installed on the right fixed frame, and the right movable frame is installed at the output end of the second telescopic cylinder; the turnover mechanism is arranged on at least one of the left movable frame and the right movable frame. The movable frame is arranged in such a way, so that the movable frame can be suitable for installing and connecting workpieces with larger sizes, and the workpieces can be lifted more stably; the lifting driving device is arranged in such a way that the left movable frame and the right movable frame can be lifted synchronously or independently.
Preferably, the movable frame further comprises a transverse connecting frame, and two ends of the transverse connecting frame are respectively connected with the left movable frame and the right movable frame. The left movable frame and the right movable frame are higher in synchronism when ascending or descending, and the structural strength of the movable frame is higher.
Preferably, a first guide assembly for assisting the left movable frame to lift is arranged between the left fixed frame and the left movable frame; the fixed frame in the right side with be equipped with between the movable frame in the right side and be used for the assistance the second direction subassembly that the movable frame in the right side goes up and down, the second direction subassembly with first direction subassembly structure is unanimous.
Preferably, the first direction subassembly includes leading wheel and guide bar, the leading wheel is installed on the fixed frame of a left side, the guide bar is installed on the movable frame of a left side, just the guide bar can slide on the leading wheel. First direction subassembly is used for supplementary left movable frame to go up and down and carry on spacingly to left movable frame, makes left movable frame go up and down smoothly, the lift process skew not take place, go up and down more stably, reduces the lift resistance.
Preferably, the turnover mechanism further comprises a rotating shaft and a bearing seat, the bearing seat is mounted on the movable frame, the rotating disc is sleeved on the rotating shaft, and the rotating shaft can be rotatably inserted in the bearing seat around a central axis of the bearing seat. The turnover mechanism is more stable in structure and the rotary table is smoother to rotate.
Preferably, a fixing seat and a fixing plate are arranged on the rotary table, one end of the transmission chain is connected with the fixing seat, and the other end of the transmission chain is connected with the fixing plate through a connector. The fixed seat and the fixed plate are arranged to enable the transmission chain to be stably wound on the turntable; the transmission chain can be conveniently detached by arranging the connector which connects one end of the transmission chain with the fixed plate, so that the transmission chain is convenient to replace.
Preferably, an adjusting assembly for adjusting the tightness of the transmission chain is arranged between the connecting head and the fixing plate; the adjusting component comprises a screw rod and a nut, the screw rod is arranged at the position, away from the connector, of one end of the transmission chain, the screw rod penetrates through a through hole in the fixed plate, the nut is connected with the threaded connection sleeve, the threaded connection sleeve is arranged on the screw rod and located, away from the fixed plate, of one side of the connector. The tightness of the transmission chain can be conveniently adjusted by arranging the adjusting assembly, the smooth transmission of the driving force is ensured, and the adjustment is flexible and rapid.
Preferably, the turntable is respectively provided with a first baffle and a second baffle on two sides of the transmission chain for limiting the deviation of the transmission chain; the first baffle plate is positioned at one side close to the rotary driving device, and the outer diameter phi 1 of the first baffle plate is smaller than the outer diameter phi 2 of the second baffle plate. The first baffle and the second baffle are arranged to limit the transmission chain, so that the transmission chain is prevented from shifting, dislocating and even falling off during working.
Preferably, the included angle alpha formed between the two ends of the transmission chain and the circle center of the turntable is more than or equal to 180 degrees. The turnover mechanism can ensure that the workpiece connected with the turntable can be turned over by 180 degrees.
Preferably, the clamping mechanism comprises a first frame and a second frame which are oppositely arranged, and the first frame and/or the second frame are/is connected with the turntable; the left clamping rack is slidably mounted on the first rack and the second rack, the right clamping rack is slidably mounted on the first rack and the second rack, and the left and right clamping driving assemblies are used for driving the left clamping rack and the right clamping rack to slide on the first rack and the second rack so as to clamp or loosen a workpiece; and the left clamping rack and the right clamping rack are both provided with an upper clamping assembly and a lower clamping assembly. The clamp is suitable for workpieces of different sizes and types and is stable in clamping.
Preferably, the left-right clamping driving assembly comprises a first slide rail, a second slide rail, a first slider and a second slider, the first slide rail is mounted on the first rack, the second slide rail is mounted on the second rack, the first slider and the second slider are respectively mounted at two ends of the left clamping rack, the first slider and the second slider are respectively mounted at two ends of the right clamping rack, the first slider is slidably mounted on the first slide rail, and the second slider is slidably mounted on the second slide rail. The left clamping driving assembly and the right clamping driving assembly are arranged in such a way, so that the sliding smoothness, the sliding accuracy and the sliding stability of the left clamping frame and the right clamping frame can be improved, and the structure is compact and stable.
Preferably, the left and right clamping driving assembly further comprises a third telescopic cylinder and a fourth telescopic cylinder, the third telescopic cylinder and the fourth telescopic cylinder are both mounted on the first rack and/or the second rack, the output end of the third telescopic cylinder is connected with the right clamping rack, and the output end of the fourth telescopic cylinder is connected with the left clamping rack. The first telescopic cylinder and the second telescopic cylinder are arranged, the left clamping frame and the right clamping frame can be automatically controlled to clamp workpieces, the clamping force is adjustable, and the workpieces are stable and not easy to loosen after being clamped.
Preferably, the upper and lower clamping assembly comprises a mounting rack, an upper clamping arm and a lower clamping arm, the mounting rack is mounted on the left clamping rack or the right clamping rack, the upper clamping arm and the lower clamping arm are mounted on the mounting rack, and the upper clamping arm is located above the lower clamping arm. The upper clamping assembly and the lower clamping assembly are compact and stable in structure, and work of clamping workpieces in the vertical direction is flexible.
Preferably, the upper clamping arm comprises an upper clamping plate, a third sliding rail, a third sliding block and a fifth telescopic cylinder, the fifth telescopic cylinder is installed on the mounting frame, the upper clamping plate is installed at the output end of the fifth telescopic cylinder, the third sliding rail is installed on the mounting frame along the vertical direction, the third sliding block is installed on the third sliding rail in a sliding mode, and the third sliding block is connected with the upper clamping plate. The upper clamping arm structure is arranged in such a way, the clamping force to the workpiece in the vertical direction can be conveniently controlled, the workpiece can be smoothly, stably and quickly moved when being clamped, and the workpiece can be stably clamped.
Preferably, the lower clamping arm comprises a lower clamping plate, a fourth sliding rail, a fourth sliding block and a sixth telescopic cylinder, the sixth telescopic cylinder is mounted on the mounting frame, the lower clamping plate is mounted at the output end of the sixth telescopic cylinder, the fourth sliding rail is mounted on the mounting frame along the vertical direction, the fourth sliding block is slidably mounted on the fourth sliding rail, and the fourth sliding block is connected with the lower clamping plate. The structure of lower clamping arm so sets up, can conveniently control the clamp force to the work piece in vertical direction, and move smoothly, stably, fast when pressing from both sides tight work piece, and can keep very firm centre gripping work piece.
Preferably, the lower clamping arm further comprises a connecting block and a seventh telescopic cylinder, the connecting block is mounted at the output end of the sixth telescopic cylinder, the seventh telescopic cylinder is mounted on the connecting block, the extending direction of the seventh telescopic cylinder is the moving direction in which the left clamping frame and the right clamping frame are close to or far away from each other, and the lower clamping plate is mounted at the output end of the seventh telescopic cylinder. The connecting block and the seventh telescopic cylinder are arranged, the distance between the lower clamping plate and the mounting frame can be adjusted, and the upper clamping assembly and the lower clamping assembly are clamped more flexibly and have wider application range.
Preferably, a photoelectric sensor for detecting the distance between the left clamping rack and the workpiece is mounted on the left clamping rack and/or the right clamping rack; and the upper clamping component and the lower clamping component are provided with pressure sensors, and the pressure sensors are used for detecting the pressure when the pressure sensors clamp the workpiece. The distance between the left clamping rack and the workpiece and the distance between the right clamping rack and the workpiece can be more accurately judged; the pressure sensor is arranged to detect the pressure during clamping, so that overlarge or undersize pressure is avoided; in addition, when the required pressure is constant for workpieces with different thicknesses, the arrangement of the pressure sensor can save the trouble of adjusting the moving distance of the upper clamping arm and the lower clamping arm.
The invention relates to an automatic turnover machine for bathroom products, which at least has the following beneficial effects: the lifting mechanism is used for lifting the workpiece, the clamping mechanism is used for clamping the workpiece, and the workpiece is lifted to a certain height through the lifting mechanism; therefore, a pit does not need to be dug on the overturning station, the trouble of production line arrangement is reduced, and the difficulty of production line design and arrangement is reduced; the production line can be flexibly adjusted according to the requirement in the follow-up process; automatic upset machine is direct to be set up subaerial, and installation, maintenance and dismantlement are all comparatively convenient, and the staff also makes things convenient for to observe the upset operation on one side, also can ensure staff's safety simultaneously. The whole structure of the lifting mechanism is higher in stability, the bearing capacity is larger, and the workpiece and the clamp mechanism are more stable in lifting and are not easy to shake.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an automatic upender of the present invention;
FIG. 2 is a schematic structural diagram of the lifting mechanism of the present invention;
FIG. 3 is a schematic front view of the lifting mechanism of the present invention;
FIG. 4 is a schematic view of an assembly structure of a fixed frame, a lifting driving device and a movable frame in the lifting mechanism of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic view of an assembly structure of the turnover mechanism, the left support frame and the left movable frame;
FIG. 7 is a schematic view of an exploded structure of the turnover mechanism of the present invention;
FIG. 8 is a schematic structural view of the turnover mechanism 8 of the present invention;
FIG. 9 is a schematic view of another angle structure of the turnover mechanism of the present invention;
FIG. 10 is an enlarged view of portion B of FIG. 9;
FIG. 11 is a schematic view of the construction of the gear of the present invention;
FIG. 12 is a schematic structural view of a turntable according to the present invention;
FIG. 13 is a schematic top view of the turntable of the present invention;
FIG. 14 is a schematic front view of the transmission chain of the present invention mounted on the turntable;
FIG. 15 is a schematic structural view of a clamping mechanism of the present invention;
FIG. 16 is a schematic view of the left and right clamp drive assemblies of the present invention assembled with the first and second frames;
FIG. 17 is a schematic view of the upper and lower clamp assemblies of the present invention;
FIG. 18 is a front view of the upper and lower clamp assemblies of the present invention;
FIG. 19 is a schematic view of another angle configuration of the upper and lower clamp assemblies of the present invention.
In the drawings: 1-lifting mechanism, 11-portal frame, 111-left support frame, 112-right support frame, 113-cross frame, 114-sliding wheel, 12-fixed frame, 121-left fixed frame, 122-right fixed frame, 13-lifting driving device, 131-first telescopic cylinder, 132-second telescopic cylinder, 14-movable frame, 141-left movable frame, 142-right movable frame, 143-transverse connecting frame, 15-first guiding component, 151-guiding wheel, 152-guiding rod,
2-turnover mechanism, 21-rotary driving device, 22-gear, 221-tooth, 23-rotary table, 231-fixed seat, 232-fixed plate, 2321-through hole, 233-first baffle, 234-second baffle, 24-transmission chain, 25-rotary shaft, 26-bearing seat, 27-connector, 28-regulating component, 281-screw rod, 282-nut, etc,
3-clamp mechanism, 31-first frame, 32-second frame, 33-left clamping frame, 34-right clamping frame, 35-left and right clamping driving assembly, 351-first sliding rail, 352-second sliding rail, 353-first sliding block, 354-second sliding block, 355-third telescopic cylinder, 356-fourth telescopic cylinder, 36-upper and lower clamping assembly, 361-mounting frame, 362-upper clamping arm, 3621-upper clamping plate, 3622-third sliding rail, 3623-third sliding block, 3624-fifth telescopic cylinder, 363-lower clamping arm, 3631-lower clamping plate, 3632-fourth sliding rail, 3633-fourth sliding block, 3634-sixth telescopic cylinder, 3635-connecting block, 3636-seventh telescopic cylinder,
4-workpiece and 5-conveying line.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 19, an automatic upender for sanitary products includes:
the lifting mechanism 1 comprises a portal frame 11, a fixed frame 12, a lifting driving device 13 and a movable frame 14, wherein the fixed frame 12 is installed on the portal frame 11, the lifting driving device 13 is installed on the fixed frame 12, and the movable frame 14 is installed at the output end of the lifting driving device 13;
the turnover mechanism 2 comprises a rotary driving device 21, a gear 22 and a turntable 23, wherein the rotary driving device 21 is installed on the movable frame 14, the gear 22 is installed at the output end of the rotary driving device 21, the turntable 23 is rotatably installed on the movable frame 14, a transmission chain 24 is wound on the turntable 23, and the transmission chain 24 is meshed with the gear 22;
and the clamp mechanism 3 is connected with the turntable 23 and is used for clamping the workpiece 4.
The portal frame 11 is used as a base frame for bearing other structures of the lifting mechanism 1, the turnover mechanism 2 and the fixture, specifically, a fixed frame 12 is mounted on the portal frame 11, and a lifting driving device 13 is mounted on the fixed frame 12 and used for driving the movable frame 14 to ascend or descend relative to the portal frame 11 and the fixed frame 12. The movable frame 14 is used for installing the turnover mechanism 2, specifically, the rotation driving device 21 is installed on the movable frame 14, and the rotation driving device 21 may be a servo motor; the turntable 23 is also mounted on the movable frame 14 and can rotate around its own central axis relative to the movable frame 14; the gear 22 is installed at the output end of the rotary driving device 21 and can rotate under the driving of the rotary driving device 21; the transmission chain 24 is coiled on the outer periphery side of the turntable 23, namely the coiled transmission chain 24 and the turntable 23 have the same center, and the diameter of an arc section formed by the transmission chain 24 is collinear with the diameter of the turntable 23; the rack is meshed with the transmission chain 24; the rotation driving device 21 may be a servo motor. The process of the automatic upender turning the workpiece 4 through 180 ° is roughly: the clamp mechanism 3 clamps a workpiece 4 to be turned over; the lifting driving device 13 is started to drive the movable frame 14 to ascend, and the movable frame 14 drives the turnover mechanism 2, the clamp mechanism 3 and the workpiece 4 to ascend synchronously; after the workpiece 4 rises to a certain height (the height does not affect the turnover of the workpiece), the lifting driving device 13 stops, the rotary driving device 21 starts, and the gear 22 rotates along with the output end of the rotary driving device 21; the gear 22 rotates to drive the transmission chain 24 to rotate around the circle center, and the transmission chain 24 is wound on the turntable 23, so that the turntable 23 synchronously rotates along with the transmission chain 24; the turntable 23 can drive the clamp mechanism 3 and the workpiece 4 to synchronously rotate by rotating; after the turntable 23 rotates 180 degrees, the workpiece 4 also rotates 180 degrees, and the rotary driving device 21 stops; then, the lifting driving device 13 is started to drive the movable frame 14 to descend, and the movable frame 14 descends to drive the turnover mechanism 2, the clamp mechanism 3 and the workpiece 4 to descend synchronously; when the workpiece 4 is lowered to the initial position, the clamp mechanism 3 releases the workpiece 4, that is, the workpiece 4 is turned over. It should be noted that the angle of rotation of the turntable 23 can be controlled by controlling the rotary drive 21, so that the workpiece 4 can be tilted not only by 180 ° but also by other angles; on the other hand, can promote work piece 4 to different height through control lift drive arrangement 13, to the work piece 4 of different volumes, the homoenergetic guarantees that work piece 4 can not cause the interference with ground in the upset process.
According to the technical scheme, the lifting mechanism 1 capable of lifting a workpiece 4, the turnover mechanism 2 capable of turning over the workpiece 4 and the clamp mechanism 3 capable of clamping the workpiece 4 are arranged, the lifting mechanism 1 is used for lifting the turnover mechanism 2, the clamp mechanism 3 and the workpiece 4 to a certain height, and then the turnover mechanism 2 is used for turning over the workpiece 4; therefore, a pit does not need to be dug on the overturning station, the trouble of production line arrangement is reduced, and the difficulty of production line design and arrangement is reduced; the production line can be flexibly adjusted according to the requirement in the follow-up process; automatic upset machine is direct to be set up subaerial, and installation, maintenance and dismantlement are all comparatively convenient, and the staff also makes things convenient for to observe the upset operation on one side, also can ensure staff's safety simultaneously.
The overall structure stability of the lifting mechanism 1 is higher, the bearing capacity is larger, and the lifting of the workpiece 4 and the fixture mechanism 3 is more stable and is not easy to shake. For the turnover mechanism 2, a transmission chain 24 is directly coiled on the turntable 23, and a gear 22 arranged at the output end of the rotary driving device 21 is directly meshed with the transmission chain 24, so that the rotary driving device 21 drives the turntable 23 to rotate; the transmission chain 24, the turntable 23 and the gear 22 are compact in structure and large in transferable force, and are suitable for turning over the workpiece 4 with large weight, the three are not easy to slip, and the transmission chain 24 is not easy to break.
Preferably, the gear 22 has at least two rows of teeth 221, the transmission chain 24 has at least two rows of teeth, and each row of teeth 221 is engaged with one transmission chain 24. Specifically, the gear 22 is provided with two rows of teeth 221 which are parallel to each other and spaced apart from each other, the two transmission chains 24 are provided, the two transmission chains 24 are of an integrated structure, and the teeth 221 are meshed with the transmission chains 24 one by one. The gear 22 and the transmission chain 24 are arranged in such a way, so that the force which can be transmitted between the gear 22 and the transmission chain can be increased, and the rotary driving device 21 can drive the rotary disc 23 to rotate so as to drive the workpiece 4 with larger weight to turn over; on the other hand, the transmission force can be shared, and the service life of the gear 22 and the transmission chain 24 is prolonged.
Further, the portal frame 11 includes a left support frame 111, a right support frame 112 and a cross frame 113, the left support frame 111 and the right support frame 112 are parallel to each other and are arranged at intervals, two ends of the cross frame 113 are provided with sliding wheels 114, and the sliding wheels 114 are slidably arranged on the left support frame 111 and the right support frame 112.
The left support frame 111 and the right support frame 112 are identical in structure and are in a II-shaped structure, and the two support frames are parallel to each other and are arranged at intervals; the cross frame 113 is erected between the left support frame 111 and the right support frame 112, namely, two ends of the cross frame 113 are respectively connected with the left support frame 111 and the right support frame 112; the left and right fixing frames 121 and 122 are respectively installed at both ends of the cross frame 113, and upper end surfaces of the left and right fixing frames 121 and 122 are connected with a lower end surface of the cross frame 113. The portal frame 11 structure is so arranged to improve the structural stability of the lifting mechanism 1 and improve the bearing capacity thereof.
Two ends of the cross frame 113 are respectively provided with two sliding wheels 114, the sliding wheels 114 at the two ends are respectively borne on the left support frame 111 and the right support frame 112, and the sliding wheels 114 can slide on the left support frame 111 and the right support frame 112, so that the cross frame 113 slides on the portal frame 11. By moving the cross frame 113, other mechanisms of the turnover machine except the left support frame 111 and the right support frame 112 can be moved to other conveying lines 5; after the turnover machine carries out turnover operation on the workpiece 4 on one conveying line 5, the turnover mechanism 2 can move to the other conveying line 5 and carry out turnover operation on the workpiece 4 on the other conveying line 5 in the process of conveying the turned workpiece 4 to the next working procedure; therefore, the production efficiency is higher. The existing turnover machine only can turn over the workpiece 4 on the fixed conveying line 5 because the existing turnover machine needs to be installed in a pit; this technical scheme, a upset machine can cooperate with many transfer chain 5 simultaneously to work piece 4 on the different transfer chain 5 of upset has not only guaranteed production efficiency, has still reduced equipment cost, and the maximize has utilized equipment, the latency of the equipment that significantly reduces.
Further, the fixed frame 12 includes a left fixed frame 121 and a right fixed frame 122 mounted on the gantry 11 and symmetrically disposed with respect to a center line of the gantry 11; the movable frame 14 comprises a left movable frame 141 and a right movable frame 142, and the lifting driving device 13 comprises a first telescopic cylinder 131 and a second telescopic cylinder 132; the first telescopic cylinder 131 is installed on the left fixed frame 121, and the left movable frame 141 is installed at the output end of the first telescopic cylinder 131; the second telescopic cylinder 132 is installed on the right fixed frame 122, and the right movable frame 142 is installed at the output end of the second telescopic cylinder 132; at least one of the left moving frame 141 and the right moving frame 142 is provided with the turnover mechanism 2.
The left fixing frame 121 and the right fixing frame 122 are mounted on the gantry 11, the left fixing frame 121 and the right fixing frame 122 have the same structure and are symmetrically arranged relative to a center line of the gantry 11, and the center line of the gantry 11 is a vertical line passing through the center of the gantry 11. The left and right movable frames 141 and 142 have the same structure and respectively correspond to the left and right fixed frames 121 and 122; the left movable frame 141 can be driven to ascend or descend relative to the left fixed frame 121 by the expansion or contraction of the output end of the first telescopic cylinder 131; the right movable frame 142 can be driven to ascend or descend relative to the right fixed frame 122 by the expansion or contraction of the output end of the second telescopic cylinder 132; the first and second telescopic cylinders 131 and 132 may be specifically air cylinders or hydraulic cylinders. The turnover mechanism 2 can be arranged on the left movable frame 141 or the right movable frame 142; more preferably, all be equipped with tilting mechanism 2 on left movable frame 141 and right movable frame 142, two sets of tilting mechanism 2 overturn work piece 4 simultaneously, therefore the atress is more even reasonable, and the upset operation is more smooth and easy, safety, high-efficient, and tilting mechanism 2 life is longer. The movable frame 14 is suitable for installing and connecting workpieces 4 with larger sizes, and the workpieces 4 can be lifted and lowered more stably; the lifting driving device 13 is arranged to lift the left movable frame 141 and the right movable frame 142 synchronously or independently; when the lifting mechanism is lifted synchronously, the lifting mechanism 1 is stressed more uniformly and reasonably; the state of the workpiece 4 can be flexibly changed when the lifting is asynchronous, such as the workpiece 4 is inclined.
Further, the movable frame 14 further includes a transverse connection frame 143, and both ends of the transverse connection frame 143 are respectively connected to the left movable frame 141 and the right movable frame 142. For a workpiece 4 with a large size, the size of the lifting mechanism 1 needs to be designed to be large, so that the distance between the left movable frame 141 and the right movable frame 142 is also large; therefore, in order to make the left and right movable frames 141 and 142 more synchronized when ascending or descending, a transverse connection frame 143 is provided to connect the left and right movable frames 141 and 142; on the other hand, the transverse connection frame 143 may also improve the structural strength of the moving frame 14.
Further, a first guide assembly 15 for assisting the lifting of the left movable frame 141 is arranged between the left fixed frame 121 and the left movable frame 141; a second guide assembly for assisting the lifting of the right movable frame 142 is arranged between the right fixed frame 122 and the right movable frame 142, and the second guide assembly is consistent with the first guide assembly 15 in structure.
The first guide assembly 15 is used for assisting the left movable frame 141 to ascend and descend and limiting the left movable frame 141, and the second guide assembly is used for assisting the right movable frame 142 to ascend and descend and limiting the right movable frame 142, so that the left movable frame 141 and the right movable frame 142 can ascend and descend smoothly, the ascending and descending process is not deviated, and the ascending and descending are more stable. The structure of the second guiding assembly is identical to that of the first guiding assembly 15, and only the specific structure, arrangement and operation principle of the first guiding assembly 15 will be described in detail below, and the second guiding assembly (not shown) can refer to the following description of the first guiding assembly 15, and will not be repeated hereafter.
Further, the first guide assembly 15 includes a guide wheel 151 and a guide rod 152, the guide wheel 151 is mounted on the left fixed frame 121, the guide rod 152 is mounted on the left movable frame 141, and the guide rod 152 is slidable on the guide wheel 151.
The guide wheel 151 is rotatably installed on the left fixed frame 121, and the rotation axis is perpendicular to the lifting direction of the left movable frame 141; the guide rod 152 is installed on the left movable frame 141, and the length direction of the guide rod 152 is the same as the lifting direction of the left movable frame 141; when the left movable frame 141 moves up and down with respect to the left fixed frame 121, the guide rod 152 contacts the guide wheel 151, and the guide wheel 151 is rotated by the guide rod 152, and the rotation of the guide wheel 151 also assists the left movable frame 141 to move up and down, thereby reducing the lifting resistance and improving the smoothness of the lifting. In other embodiments, the first guiding assembly 15 may be a sliding rail and a sliding block, the sliding rail is mounted on the left fixed frame 121, and the length direction of the sliding rail is the same as the lifting direction of the left movable frame 141, and the sliding block is mounted on the left sliding frame and slidably mounted on the sliding rail.
Preferably, guide wheels 151 are provided on both sides of the left fixed frame 121, and guide rods 152 are provided on both sides of the left movable frame 141. Guide wheels 151 are arranged on two sides of the left fixed frame 121, the guide wheels 151 are positioned on one side surface of the left fixed frame 121 close to the left movable frame 141, and the left movable frame 141 is positioned between the guide wheels 151 on two sides of the left fixed frame 121; guide rods 152 are provided on both sides of the left movable frame 141, and the guide rods 152 on both sides correspond to the guide wheels 151 on both sides, respectively. Preferably, a plurality of guide wheels 151 are uniformly distributed on both sides of the left fixed frame 121 along the lifting direction of the left movable frame 141. With such an arrangement, the structural strength between the left fixed frame 121 and the left movable frame 141 can be improved, and the stability and smoothness of the lifting of the left movable frame 141 can be improved; the left movable frame 141 is limited from both sides, and the structural stability is improved.
Preferably, the guide wheel 151 is a V-shaped roller or a U-shaped roller, and the guide rod 152 is located in a V-shaped groove of the V-shaped roller or a U-shaped groove of the U-shaped roller. A V-shaped groove or a U-shaped groove is formed at the contact position of the V-shaped roller or the U-shaped roller and the guide rod 152, and the guide rod 152 is positioned in the V-shaped groove or the U-shaped groove; the guide wheel 151 and the guide rod 152 can be prevented from deviating and misplacing due to the arrangement, so that the left fixing frame 121 can be stably lifted.
Further, the turnover mechanism 2 further includes a rotating shaft 25 and a bearing seat 26, the bearing seat 26 is installed on the movable frame 14, the rotating disc 23 is sleeved on the rotating shaft 25, and the rotating shaft 25 can be inserted in the bearing seat 26 in a manner of rotating around a central axis of the bearing seat 26.
The turntable 23 can be stably mounted on the movable frame 14 and maintained in a rotatable state through the bearing seat 26; the bearing seat 26 is fixed, but the inner ring of the bearing inside the bearing can rotate around the central axis of the bearing, the rotating shaft 25 is inserted into the inner ring of the bearing, the inner ring and the rotating shaft 25 rotate synchronously, the rotating disc 23 is sleeved on the rotating shaft 25, and the rotating disc 23 and the rotating shaft 25 rotate synchronously. So set up, can make tilting mechanism 2 structure more firm, carousel 23 rotation is more smooth and easy.
Furthermore, a fixing seat 231 and a fixing plate 232 are arranged on the rotating disc 23, one end of the transmission chain 24 is connected with the fixing seat 231, and the other end of the transmission chain is connected with the fixing plate 232 through a connecting head 27.
A fixing seat 231 and a fixing plate 232 are arranged on the outer peripheral side of the rotating disc 23, the fixing seat 231 is used for fixing one end of the transmission chain 24, the fixing plate 232 is used for fixing the other end of the transmission chain 24, and an arc section formed between the fixing seat 231 and the fixing plate 232 is consistent with an arc section formed by the transmission chain 24. The fixing seat 231 and the fixing plate 232 are arranged to enable the transmission chain 24 to be stably wound on the turntable 23; the provision of the connector 27 connecting one end of the drive chain 24 to the fixing plate 232 facilitates removal of the drive chain 24 for replacement.
Furthermore, an adjusting assembly 28 for adjusting the tightness of the transmission chain 24 is arranged between the connecting head 27 and the fixing plate 232; the adjusting assembly 28 includes a screw 281 and a nut 282, the screw 281 is disposed at one end of the connecting head 27 far away from the transmission chain 24, the screw 281 passes through the through hole 2321 on the fixing plate 232, and the nut 282 is threadedly connected to the connecting sleeve and disposed on the screw 281 and located at one side of the fixing plate 232 far away from the connecting head 27.
Tilting mechanism 2 is when work piece 4 that constantly upset weight is heavier, and drive chain 24 and gear 22 atress are great, may cause drive chain 24 not hard up, consequently set up adjusting part 28 and can conveniently adjust drive chain 24's elasticity, guarantee that drive power can smoothly transmit, ensure the normal clear of upset operation, avoid skidding, cause the upset failure, cause the production accident. Specifically, the adjusting assembly 28 includes a screw 281 and a nut 282, the screw 281 and the connector 27 are of an integrated structure, one end of the connector 27 is provided with a slot for clamping the transmission chain 24, the other end of the connector 27 is provided with the screw 281, and the screw 281 is a rod member with threads on the outer surface; the fixing plate 232 is provided with a through hole 2321, and the aperture of the through hole 2321 is equal to or slightly larger than the diameter of the screw 281; the screw 281 extends from one side of the fixing plate 232 to the other side of the fixing plate 232 through the through hole 2321, the nut 282 is sleeved on the screw 281, the diameter of the nut 282 is larger than the aperture of the through hole 2321, and the fixing plate 232 is located between the connecting head 27 and the nut 282. The screw 281 can be driven to move towards one side far away from the connector 27 by rotating the nut 282, the connector 27 synchronously moves, and the transmission chain 24 is driven to move, because the other end of the transmission chain 24 is fixedly connected with the fixed seat 231, the transmission chain 24 is pulled more tightly, the transmission chain 24 is wound on the turntable 23 more stably, and the transmission between the transmission chain 24 and the gear 22 is more stable and smooth; by reversely rotating the nut 282, the transmission chain 24 can be slightly loosened, and the transmission chain 24 is prevented from being broken due to overlarge stretching force; when the transmission chain 24 needs to be detached, the nut 282 can be rotated to separate the nut 282 from the screw 281, the screw 281 can be pulled out from the fixing plate 232, the connecting head 27 is not connected with the fixing plate 232 any more, and the transmission chain 24 wound on the rotating disc 23 can be detached by separating the transmission chain 24 from the fixing seat 231. The adjusting assembly 28 is arranged in such a way that the tightness of the transmission chain 24 can be conveniently adjusted, and the adjustment is flexible and quick.
Further, the turntable 23 is respectively provided with a first baffle 233 and a second baffle 234 on two sides of the transmission chain 24 for limiting the deviation of the transmission chain 24; the first baffle 233 is located at a side close to the rotary driving device 21, and an outer diameter Φ 1 of the first baffle 233 is smaller than an outer diameter Φ 2 of the second baffle 234.
The rotating disc 23 has a certain thickness, baffle plates (a first baffle plate 233 and a second baffle plate 234, respectively) are extended outwards along the diameter on two sides of the rotating disc 23, and the first baffle plate 233 and the second baffle plate 234 are both in an annular structure and are parallel to each other; specifically, the first flap 233 and the second flap 234 are integrally formed with the turntable 23, and the drive chain 24 is located between the first flap 233 and the second flap 234. The first baffle 233 and the second baffle 234 limit the transmission chain 24, so as to prevent the transmission chain 24 from shifting, dislocating or even falling off during operation.
The first baffle 233 and the rotary driving device 21 are located on the same side, the gear 22 is located between the first baffle 233 and the second baffle 234, the rotary driving device 21 is located on the outer side of the first baffle 233 (the side where the transmission chain 24 is located is the inner side of the first baffle 233), and the output end of the rotary driving device 21 is connected with the gear 22; therefore, the outer diameter Φ 1 of the first flap 233 is designed to be slightly smaller, so as to mainly prevent the first flap 233 from interfering with the output end of the rotary drive device 21 and affecting the transmission. The outer diameter phi 2 of the second baffle 234 is designed to be larger, so that the transmission chain 24 can be completely prevented from shifting and falling off from the side where the second baffle 234 is located, and the clamp mechanism 3 connected with the rotary table 23 and the transmission chain 24 can be spaced apart, so that the clamp mechanism 3 is prevented from influencing the transmission chain 24.
Furthermore, the included angle alpha formed between the two ends of the transmission chain 24 and the circle center of the turntable 23 is not less than 180 degrees.
An included angle alpha is formed by the two ends of the transmission chain 24 and a connecting line of the circle center of the turntable 23, the longer the length of the transmission chain 24 is, the larger the numerical value of the included angle alpha is, and the degree of the included angle alpha is the rotatable angle of the turntable 23. The included angle alpha is set to be more than or equal to 180 degrees, so that the turnover mechanism 2 can ensure that the workpiece 4 can be turned over by 180 degrees. Preferably, when the turnover mechanism 2 needs to turn the workpiece 4 by 180 degrees, the included angle α is slightly larger than 180 degrees, so that the gear 22 and the transmission chain 24 are prevented from reaching the limit position and being easily staggered and falling off. Preferably, the included angle α is less than 360 ° to ensure that the fixing seat 231 and the fixing plate 232 are easy to install.
Further, the clamping mechanism 3 comprises a first frame 31 and a second frame 32 which are oppositely arranged, and the first frame 31 and/or the second frame 32 are connected with the turntable 23; the workpiece clamping device further comprises a left clamping frame 33, a right clamping frame 34 and a left and right clamping driving assembly 35, wherein the left clamping frame 33 is slidably mounted on the first frame 31 and the second frame 32, the right clamping frame 34 is slidably mounted on the first frame 31 and the second frame 32, and the left and right clamping driving assembly 35 is used for driving the left clamping frame 33 and the right clamping frame 34 to slide on the first frame 31 and the second frame 32 so as to clamp or release the workpiece 4; the left clamping frame 33 and the right clamping frame 34 are both provided with an upper clamping assembly 36 and a lower clamping assembly 36.
The first frame 31 and the second frame 32 are parallel to each other and spaced apart by a certain distance, and the left clamping frame 33 and the right clamping frame 34 are parallel to each other and both located between the first frame 31 and the second frame 32; the first frame 31 is connected with the turntable 23 of the turnover mechanism 2 on the left movable frame 141, and the second frame 32 is connected with the turntable 23 of the turnover mechanism 2 on the right movable frame 142; two ends of the left clamping frame 33 are respectively connected with the first frame 31 and the second frame 32, and two ends of the right clamping frame 34 are respectively connected with the first frame 31 and the second frame 32; the first frame 31 is perpendicular to the left clamping frame 33 and the right clamping frame 34, so that the first frame 31, the second frame 32, the left clamping frame 33 and the right clamping frame 34 enclose a rectangular cavity, and when the clamp mechanism 3 clamps the workpiece 4, the workpiece 4 is located in the rectangular cavity. Specifically, both ends of the left clamping frame 33 are slidably connected to the first frame 31 and the second frame 32, respectively, and both ends of the right clamping frame 34 are slidably connected to the first frame 31 and the second frame 32, respectively; the left and right clamping driving assemblies 35 are used for driving the left clamping frame 33 and the right clamping frame 34 to slide relative to the first frame 31 and the second frame 32; the workpiece 4 is clamped when the left and right clamp frames 33 and 34 are close to each other, and the workpiece 4 is released when they are far from each other. An upper clamping assembly 36 and a lower clamping assembly 36 are arranged on one side of the left clamping frame 33 close to the right clamping frame 34, and an upper clamping assembly 36 and a lower clamping assembly 36 are also arranged on one side of the right clamping frame 34 close to the left clamping frame 33, wherein the upper clamping assembly 36 and the lower clamping assembly 36 are used for clamping the workpiece 4 in the vertical direction. Under the action of the left and right clamping driving assemblies 35, the left clamping frame 33 and the right clamping frame 34 can move synchronously or independently and can move in the same direction or in opposite directions; for example, the left and right clamp driving assemblies 35 simultaneously drive the left and right clamp frames 33 and 34 to approach each other to clamp the workpiece 4; or the left and right clamp driving assemblies 35 simultaneously drive the left and right clamp frames 33 and 34 away from each other to loosen the workpiece 4 or prepare before clamping the workpiece 4; or the left and right clamping driving components 35 simultaneously drive the left clamping frame 33 and the right clamping frame 34 to move in the same direction so as to adjust the position or move the clamped workpiece 4; or the left and right clamp driving assemblies 35 drive only the left clamp frame 33 to approach or move away from the right clamp frame 34 to clamp or unclamp the workpiece 4; or the left and right clamp driving assemblies 35 drive only the right clamp frame 34 toward or away from the left clamp frame 33 to clamp or unclamp the workpiece 4.
The left clamping frame 33 and the right clamping frame 34 are controlled to be close to or far away from each other through the left and right clamping driving assembly 35 so as to clamp or loosen the workpiece 4, so that the workpiece clamping device is suitable for workpieces 4 of different sizes and types, and is stable in clamping; the upper and lower clamping assemblies 36 are mounted on the left clamping frame 33 and the right clamping frame 34 to clamp the workpiece 4 in the vertical direction, so that the workpiece 4 can be clamped more stably in the left, right, up and down directions, and the workpiece 4 is firmly clamped in the overturning process and cannot loosen or fall off.
Further, the left and right clamp driving assembly 35 includes a first slide rail 351, a second slide rail 352, a first slider 353 and a second slider 354, the first slide rail 351 is mounted on the first frame 31, the second slide rail 352 is mounted on the second frame 32, the first slider 353 and the second slider 354 are respectively mounted at two ends of the left clamp frame 33, the first slider 353 and the second slider 354 are respectively mounted at two ends of the right clamp frame 34, the first slider 353 is slidably mounted on the first slide rail 351, and the second slider 354 is slidably mounted on the second slide rail 352.
Specifically, two first sliding rails 351 are mounted on the first frame 31, and the two first sliding rails 351 are arranged oppositely up and down and are arranged in parallel; two second sliding rails 352 are installed on the second frame 32, and the two second sliding rails 352 are disposed opposite to each other in the vertical direction and are parallel to each other. The upper end surface and the lower end surface of one end of the left clamping rack 33 close to the first rack 31 are both provided with a plurality of first sliding blocks 353, and the upper end surface and the lower end surface of each first sliding block 353 are provided with a plurality of first sliding blocks 353; the upper end surface and the lower end surface of one end of the left clamping frame 33 close to the second frame 32 are both provided with a plurality of second sliding blocks 354, and the upper end surface and the lower end surface of each second sliding block 354 are provided with a plurality of second sliding blocks 354; similarly, the first slider 353 and the second slider 354 of the right clamp frame 34 are provided in the same manner as the left clamp frame 33. The first slider 353 is slidably mounted on the first sliding rail 351, and the second slider 354 is slidably mounted on the second sliding rail 352; therefore, both ends of the left clamp frame 33 are slidable with respect to the first and second frames 31 and 32, and both ends of the right clamp frame 34 are also slidable with respect to the first and second frames 31 and 32. One end of the left/ right clamp frame 33, 34 is located between the two first sliding rails 351 and the other end is located between the two second sliding rails 352. The left and right clamping driving assemblies 35 are arranged in such a way that the smoothness, accuracy and smoothness of the sliding of the left clamping rack 33 and the right clamping rack 34 can be improved, and the structure is compact and stable.
Further, the left and right clamping driving assembly 35 further includes a third telescopic cylinder 355 and a fourth telescopic cylinder 356, the third telescopic cylinder 355 and the fourth telescopic cylinder 356 are both mounted on the first frame 31 and/or the second frame 32, an output end of the third telescopic cylinder 355 is connected to the right clamping frame 34, and an output end of the fourth telescopic cylinder 356 is connected to the left clamping frame 33.
The first frame 31 and the second frame 32 can be simultaneously provided with third telescopic cylinders 355, the output ends of the two third telescopic cylinders 355 are respectively connected with two ends of the right clamping frame 34, and the extension directions of the output ends of the two third telescopic cylinders 355 are the same; the first frame 31 and the second frame 32 can be simultaneously provided with fourth telescopic cylinders 356, the output ends of the two fourth telescopic cylinders 356 are respectively connected with two ends of the left clamping frame 33, and the extending directions of the output ends of the two fourth telescopic cylinders 356 are the same; the extension directions of the third telescopic cylinder 355 and the fourth telescopic cylinder 356 are both directions in which the left clamp frame 33 and the right clamp frame 34 approach or separate from each other. In other embodiments, the third telescopic cylinder 355 and the fourth telescopic cylinder 356 may be mounted only on the first frame 31; or the third telescopic cylinder 355 and the fourth telescopic cylinder 356 are installed only on the second frame 32; or a third telescopic cylinder 355 is arranged on the first frame 31, and a fourth telescopic cylinder 356 is arranged on the second frame 32; alternatively, the fourth telescopic cylinder 356 is attached to the first frame 31, and the third telescopic cylinder 355 is attached to the second frame 32. On the other hand, in other embodiments, the third telescopic cylinder 355 and the fourth telescopic cylinder 356 may be respectively installed on the left clamping frame 33 and the right clamping frame 34, and the output end is connected to the first frame 31 and/or the second frame 32, so that when the third telescopic cylinder 355 and the fourth telescopic cylinder 356 are extended, the left clamping frame 33 and the right clamping frame 34 may slide relative to the first frame 31 or the second frame 32. The third and fourth telescopic cylinders 355 and 356 may be specifically air or hydraulic cylinders. The third telescopic cylinder 355 and the fourth telescopic cylinder 356 are arranged, the left clamping rack 33 and the right clamping rack 34 can be automatically controlled to clamp the workpiece 4, the clamping force is adjustable, and the clamped workpiece 4 is stable and not easy to loosen.
Further, the upper and lower clamping assemblies 36 include a mounting frame 361, an upper clamping arm 362 and a lower clamping arm 363, the mounting frame 361 is mounted on the left clamping frame 33 or the right clamping frame 34, the upper clamping arm 362 and the lower clamping arm 363 are both mounted on the mounting frame 361, and the upper clamping arm 362 is located above the lower clamping arm 363.
The upper and lower clamping components 36 are arranged on the left clamping rack 33, and a mounting rack 361 of the upper and lower clamping components is arranged on one side of the left clamping rack 33 close to the right clamping rack 34; the upper and lower clamping components 36 are arranged on the right clamping rack 34, and the mounting rack 361 thereof is arranged on one side of the right clamping rack 34 close to the left clamping rack 33; the upper clamping arm 362 and the lower clamping arm 363 are correspondingly arranged on the mounting frame 361 up and down, the workpiece 4 can be clamped when the upper clamping arm 362 and the lower clamping arm 363 are close to each other, and the workpiece 4 can be loosened when the upper clamping arm 362 and the lower clamping arm 363 are far away from each other; that is, when the workpiece 4 is clamped, the upper clamp arm 362 contacts the upper end of the workpiece 4, and the lower clamp arm contacts the lower end of the workpiece 4. The upper and lower clamping assemblies 36 are compact and stable, and are flexible in clamping the workpiece 4 in the vertical direction.
Further, the upper clamping arm 362 includes an upper clamping plate 3621, a third sliding rail 3622, a third sliding block 3623 and a fifth telescopic cylinder 3624, the fifth telescopic cylinder 3624 is mounted on the mounting bracket 361, the upper clamping plate 3621 is mounted at an output end of the fifth telescopic cylinder 3624, the third sliding rail 3622 is mounted on the mounting bracket 361 along the vertical direction, the third sliding block 3623 is slidably mounted on the third sliding rail 3622, and the third sliding block 3623 is connected with the upper clamping plate 3621.
The upper clamping plate 3621 is used for directly contacting with the upper end face of the workpiece 4 to clamp the workpiece 4, the third slide rail 3622 and the third slider 3623 are used for ensuring the stability, accuracy and smoothness of the upper clamping plate 3621 in the lifting process, the fifth telescopic cylinder 3624 is used for driving the upper clamping plate 3621 to ascend or descend, and the fifth telescopic cylinder 3624 can be specifically an air cylinder or a hydraulic cylinder. The fifth telescopic cylinder 3624 is mounted on the mounting frame 361, and the output end of the fifth telescopic cylinder 3624 faces upward and is connected with the upper clamp plate 3621, that is, the upper clamp plate 3621 is located right above the fifth telescopic cylinder 3624; two third sliding rails 3622 are arranged, are mounted on the mounting frame 361 in parallel, and are respectively located on two sides of the fifth telescopic cylinder 3624; each third slide rail 3622 is provided with a third slide block 3623, for example, two third slide blocks 3623 are provided and are slidably mounted on the two third slide rails 3622; the third sliding blocks 3623 are connected to the upper clamp plate 3621, specifically, two sides of the upper clamp plate 3621 are mounted on the two third sliding blocks 3623, so that the upper clamp plate 3621 is located between the two third sliding rails 3622. When the output end of the fifth telescopic cylinder 3624 is extended, the upper clamping plate 3621 is lifted to be away from the workpiece 4; when the output end of the fifth telescopic cylinder 3624 contracts, the upper clamp plate 3621 descends to approach the workpiece 4. The upper clamping arm 362 is arranged in such a way, so that the clamping force on the workpiece 4 in the vertical direction can be conveniently controlled, and the workpiece 4 can be smoothly, stably and quickly moved when being clamped, and the workpiece 4 can be stably and firmly clamped.
Further, the lower clamping arm 363 includes a lower clamping plate 3631, a fourth sliding rail 3632, a fourth sliding block 3633 and a sixth telescopic cylinder 3634, the sixth telescopic cylinder 3634 is mounted on the mounting bracket 361, the lower clamping plate 3631 is mounted at an output end of the sixth telescopic cylinder 3634, the fourth sliding rail 3632 is mounted on the mounting bracket 361 along the vertical direction, the fourth sliding block 3633 is slidably mounted on the fourth sliding rail 3632, and the fourth sliding block 3633 is connected with the lower clamping plate 3631.
The structure of the lower clamping arm 363 is similar to that of the upper clamping arm 362, and the main difference is that the output end of the sixth telescopic cylinder 3634 faces downward, the lower clamping plate 3631 is located below the sixth telescopic cylinder 3634, and other structures are similar or the same, which are not repeated herein. The lower clamping plate 3631 and the upper clamping plate 3621 are parallel to each other, the lower clamping plate 3631 is specifically located right below the upper clamping plate 3621, and the sixth telescopic cylinder 3634 is specifically an air cylinder or a hydraulic cylinder. The structure of the lower clamping arm 363 is arranged in such a way, the clamping force on the workpiece 4 in the vertical direction can be conveniently controlled, the workpiece 4 is smoothly, stably and quickly moved when being clamped, and the workpiece 4 can be stably and firmly clamped; the upper clamping arm 362 and the lower clamping arm 363 can be independently controlled, and the operation is more flexible.
Further, the lower clamping arm 363 further includes a connection block 3635 and a seventh telescopic cylinder 3636, the connection block 3635 is installed at an output end of the sixth telescopic cylinder 3634, the seventh telescopic cylinder 3636 is installed on the connection block 3635, an extending direction of the seventh telescopic cylinder 3636 is a moving direction in which the left clamping frame 33 and the right clamping frame 34 are close to or away from each other, and the lower clamping plate 3631 is installed at an output end of the seventh telescopic cylinder 3636.
The lower clamp arm 363 is also different from the upper clamp arm 362 in that: the lower clamping arm 363 further comprises a connecting block 3635 and a seventh telescopic cylinder 3636; specifically, a connecting block 3635 is mounted at the output end of a sixth telescopic cylinder 3634, a seventh telescopic cylinder 3636 is mounted on the connecting block 3635, and a lower clamping plate 3631 is mounted at the output end of the seventh telescopic cylinder 3636; when the output end of the sixth telescopic cylinder 3634 extends, the connecting block 3635 is driven to descend, so that the seventh telescopic cylinder 3636 and the lower clamping plate 3631 are driven to descend. The connecting block 3635 and the seventh telescopic cylinder 3636 are arranged, the distance between the lower clamping plate 3631 and the mounting frame 361 can be adjusted, and when the workpiece 4 is in a structure with a wide upper part and a narrow lower part, the seventh telescopic cylinder 3636 is extended to enable the lower clamping plate 3631 to be kept in contact with the lower end face of the workpiece 4 so as to support the workpiece 4; the upper and lower clamping components 36 are more flexible in clamping and wider in application range, and are particularly suitable for clamping workpieces 4 such as bathtubs, movable swimming pools and the like.
Preferably, the left clamping frame 33 has a plurality of upper and lower clamping assemblies 36 uniformly distributed along the length direction thereof, the right clamping frame 34 has a plurality of upper and lower clamping assemblies 36 uniformly distributed along the length direction thereof, and the upper and lower clamping assemblies 36 on the left clamping frame 33 and the right clamping frame 34 are in one-to-one correspondence. A plurality of upper and lower clamping assemblies 36 are uniformly distributed on the left clamping rack 33 and the right clamping rack 34, so that the fixture mechanism 3 can clamp workpieces 4 with long lengths and is suitable for clamping workpieces 4 with various lengths, and the application range is wider; and the clamping is more stable. The upper and lower clamping assemblies 36 on the left clamping frame 33 and the right clamping frame 34 are the same in number and are in one-to-one correspondence (namely, a certain group of upper and lower clamping assemblies 36 on the left clamping frame 33 are over against one group of upper and lower clamping assemblies 36 on the right clamping frame 34), so that the workpiece 4 is uniformly stressed and not easy to deform during clamping, and the workpiece 4 is more stable after clamping.
Further, a photoelectric sensor (not shown in the figure) for detecting the distance between the left clamping frame 33 and the workpiece 4 is mounted on the right clamping frame 34; the upper and lower clamp assemblies 36 are provided with pressure sensors (not shown) for detecting the pressure when they clamp the workpiece 4.
In the actual operation process, when the left clamping frame 33 and the right clamping frame 34 clamp the workpiece 4, a small gap is reserved between the left clamping frame 33 and the right clamping frame 34 and the workpiece 4, specifically, the mounting frames 361 on the left clamping frame 33 and the right clamping frame 34 are not in direct contact with the workpiece 4, but a certain gap is reserved; the arrangement can avoid extruding the workpiece 4, causing deformation of the workpiece 4 or inconvenience of clamping the workpiece 4 or unstable clamping of the upper and lower clamping components 36. Since the left and right clamp frames 33 and 34 do not directly contact the workpiece 4, in order to more accurately determine the distances between the left and right clamp frames 33 and 34 and the workpiece 4, a photoelectric sensor is mounted on the left and/or right clamp frame 33 and 34.
The upper and lower clamping assemblies 36 need to be in direct contact with the workpiece 4 to clamp the workpiece 4, and when the upper and lower clamping assemblies 36 clamp the workpiece 4, if the pressure applied to the workpiece 4 is too large, the workpiece 4 may be deformed, and the clamping stability is affected; if the pressure is too small, the workpiece 4 is unstably clamped and is easy to fall off; the pressure of the upper and lower clamp assemblies 36 when clamping the workpiece 4 is controlled. The pressure sensor is arranged to detect the pressure during clamping, so that overlarge or undersize pressure is avoided; in addition, the pressure sensor is provided to eliminate the trouble of adjusting the moving distance of the upper clamp arm 362 and the lower clamp arm 363 when the required pressure is constant for workpieces 4 of different thicknesses, that is, when the detection result of the pressure sensor is the same as the set value, the upper clamp arm 362 and the lower clamp arm 363 can be controlled to stop moving without separately setting the moving distance of the upper clamp arm 362 and the lower clamp arm 363.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (19)

1. An automatic upender for sanitary products, characterized in that it comprises:
the lifting mechanism (1) comprises a portal frame (11), a fixed frame (12), a lifting driving device (13) and a movable frame (14), wherein the fixed frame (12) is installed on the portal frame (11), the lifting driving device (13) is installed on the fixed frame (12), and the movable frame (14) is installed at the output end of the lifting driving device (13);
the turnover mechanism (2) comprises a rotary driving device (21), a gear (22) and a rotary disc (23), wherein the rotary driving device (21) is installed on the movable frame (14), the gear (22) is installed at the output end of the rotary driving device (21), the rotary disc (23) is rotatably installed on the movable frame (14), a transmission chain (24) is wound on the rotary disc (23), and the transmission chain (24) is meshed with the gear (22);
and the clamp mechanism (3) is connected with the turntable (23) and is used for clamping the workpiece (4).
2. The automatic turnover machine for sanitary products of claim 1, wherein the portal frame (11) comprises a left support frame (111), a right support frame (112) and a cross frame (113), the left support frame (111) and the right support frame (112) are parallel to each other and spaced apart, two ends of the cross frame (113) are provided with sliding wheels (114), and the sliding wheels (114) are slidably mounted on the left support frame (111) and the right support frame (112).
3. The automatic upender for sanitary products according to claim 1, characterized in that said fixed frame (12) comprises a left fixed frame (121) and a right fixed frame (122) mounted on said portal frame (11) and symmetrically arranged with respect to the central line of said portal frame (11); the movable frame (14) comprises a left movable frame (141) and a right movable frame (142), and the lifting driving device (13) comprises a first telescopic cylinder (131) and a second telescopic cylinder (132); the first telescopic cylinder (131) is installed on the left fixed frame (121), and the left movable frame (141) is installed at the output end of the first telescopic cylinder (131); the second telescopic cylinder (132) is installed on the right fixed frame (122), and the right movable frame (142) is installed at the output end of the second telescopic cylinder (132); at least one of the left movable frame (141) and the right movable frame (142) is provided with the turnover mechanism (2).
4. The automatic upender for sanitary products according to claim 3, characterized in that said movable frame (14) further comprises a transverse connecting frame (143), both ends of said transverse connecting frame (143) are connected with said left movable frame (141) and said right movable frame (142), respectively.
5. The automatic turnover machine for sanitary products according to claim 3, wherein a first guide assembly (15) for assisting the lifting of the left movable frame (141) is arranged between the left fixed frame (121) and the left movable frame (141); and a second guide assembly for assisting the lifting of the right movable frame (142) is arranged between the right fixed frame (122) and the right movable frame (142), and the second guide assembly is consistent with the first guide assembly (15) in structure.
6. The automatic upender for sanitary products according to claim 5, characterized in that said first guide assembly (15) comprises a guide wheel (151) and a guide bar (152), said guide wheel (151) being mounted on said left fixed frame (121), said guide bar (152) being mounted on said left movable frame (141), and said guide bar (152) being slidable on said guide wheel (151).
7. The automatic upender for sanitary products according to claim 1, characterized in that the upender (2) further comprises a rotating shaft (25) and a bearing seat (26), the bearing seat (26) is mounted on the movable frame (14), the rotating disc (23) is sleeved on the rotating shaft (25), and the rotating shaft (25) is rotatably inserted in the bearing seat (26) around the central axis of the bearing seat (26).
8. The automatic turnover machine for sanitary products according to claim 1, wherein the rotary table (23) is provided with a fixing seat (231) and a fixing plate (232), one end of the transmission chain (24) is connected with the fixing seat (231), and the other end is connected with the fixing plate (232) through a connecting head (27).
9. The automatic turnover machine for sanitary products according to claim 8, wherein an adjusting assembly (28) for adjusting the tightness of the transmission chain (24) is arranged between the connecting head (27) and the fixing plate (232); adjusting part (28) includes screw rod (281) and nut (282), screw rod (281) set up connector (27) are kept away from the one end of drive chain (24), screw rod (281) pass through-hole (2321) on fixed plate (232), nut (282) threaded connection cover is established on screw rod (281), and be located fixed plate (232) are kept away from one side of connector (27).
10. The automatic upender for sanitary products according to claim 1, characterized in that the rotary table (23) is provided with a first baffle (233) and a second baffle (234) on both sides of the transmission chain (24) for limiting the deviation of the transmission chain (24); the first baffle plate (233) is positioned on one side close to the rotary driving device (21), and the outer diameter phi 1 of the first baffle plate (233) is less than the outer diameter phi 2 of the second baffle plate (234).
11. The automatic turnover machine for sanitary ware products as claimed in claim 1, wherein the included angle α formed by the two ends of the transmission chain (24) and the center of the rotary table (23) is greater than or equal to 180 °.
12. The automatic upender for sanitary products according to claim 1, characterized in that said clamp mechanism (3) comprises a first frame (31) and a second frame (32) arranged opposite each other, said first frame (31) and/or said second frame (32) being connected to said carousel (23); the clamping device further comprises a left clamping rack (33), a right clamping rack (34) and a left-right clamping driving assembly (35), wherein the left clamping rack (33) is slidably mounted on the first rack (31) and the second rack (32), the right clamping rack (34) is slidably mounted on the first rack (31) and the second rack (32), and the left-right clamping driving assembly (35) is used for driving the left clamping rack (33) and the right clamping rack (34) to slide on the first rack (31) and the second rack (32) so as to clamp or loosen the workpiece (4); and the left clamping rack (33) and the right clamping rack (34) are both provided with an upper clamping component and a lower clamping component (36).
13. The automatic upender for sanitary products of claim 12, wherein, the left and right clamping driving assembly (35) comprises a first sliding rail (351), a second sliding rail (352), a first sliding block (353) and a second sliding block (354), the first sliding rail (351) is mounted on the first frame (31), the second sliding rail (352) is mounted on the second frame (32), the two ends of the left clamping frame (33) are respectively provided with the first sliding block (353) and the second sliding block (354), the first sliding block (353) and the second sliding block (354) are respectively arranged at two ends of the right clamping frame (34), the first slider (353) is slidably mounted on the first sliding rail (351), the second slider (354) is slidably mounted on the second slide rail (352).
14. The automatic upender for sanitary products according to claim 12, characterized in that said left and right clamping driving assembly (35) further comprises a third telescopic cylinder (355) and a fourth telescopic cylinder (356), said third telescopic cylinder (355) and said fourth telescopic cylinder (356) are both mounted on said first frame (31) and/or second frame (32), the output end of said third telescopic cylinder (355) is connected with said right clamping frame (34), the output end of said fourth telescopic cylinder (356) is connected with said left clamping frame (33).
15. The automatic upender for sanitary products according to claim 12, characterized in that the upper and lower clamping assemblies (36) comprise a mounting frame (361), an upper clamping arm (362) and a lower clamping arm (363), the mounting frame (361) being mounted on the left clamping frame (33) or the right clamping frame (34), the upper clamping arm (362) and the lower clamping arm (363) being mounted on the mounting frame (361), and the upper clamping arm (362) being located above the lower clamping arm (363).
16. The automatic upender for sanitary products according to claim 15, characterized in that the upper clamping arm (362) comprises an upper clamping plate (3621), a third slide rail (3622), a third slider (3623) and a fifth telescopic cylinder (3624), the fifth telescopic cylinder (3624) is mounted on the mounting frame (361), the upper clamping plate (3621) is mounted at the output end of the fifth telescopic cylinder (3624), the third slide rail (3622) is mounted on the mounting frame (361) in the vertical direction, the third slider (3623) is slidably mounted on the third slide rail (3622), and the third slider (3623) is connected with the upper clamping plate (3621).
17. The automatic upender for sanitary products according to claim 15, characterized in that the lower clamping arm (363) comprises a lower clamping plate (3631), a fourth sliding rail (3632), a fourth slider (3633) and a sixth telescopic cylinder (3634), the sixth telescopic cylinder (3634) is mounted on the mounting frame (361), the lower clamping plate (3631) is mounted at the output end of the sixth telescopic cylinder (3634), the fourth sliding rail (3632) is mounted on the mounting frame (361) in the vertical direction, the fourth slider (3633) is slidably mounted on the fourth sliding rail (3632), and the fourth slider (3633) is connected with the lower clamping plate (3631).
18. The automatic upender for sanitary products of claim 17, wherein the lower clamping arm (363) further comprises a connection block (3635) and a seventh telescopic cylinder (3636), the connection block (3635) is installed at an output end of the sixth telescopic cylinder (3634), the seventh telescopic cylinder (3636) is installed on the connection block (3635) and extends in a moving direction in which the left clamping frame (33) and the right clamping frame (34) approach or separate from each other, and the lower clamping plate (3631) is installed at an output end of the seventh telescopic cylinder (3636).
19. The automatic upender for sanitary products according to claim 15, characterized in that a photoelectric sensor for detecting the distance between the left clamping frame (33) and the workpiece (4) is mounted on the left clamping frame (33) and/or the right clamping frame (34); and the upper clamping assembly (36) and the lower clamping assembly (36) are provided with pressure sensors, and the pressure sensors are used for detecting the pressure when the pressure sensors clamp the workpiece (4).
CN202111063567.XA 2021-09-10 2021-09-10 Automatic turnover machine for bathroom products Active CN113501299B (en)

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CN111761700A (en) * 2020-07-12 2020-10-13 江苏三工建材科技有限公司 Turnover peeling machine and using method thereof
CN111792595A (en) * 2020-07-21 2020-10-20 洛阳Lyc轴承有限公司 Double-row conical bearing overturning type oil control device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334115A1 (en) * 1988-03-18 1989-09-27 Tokyo Automatic Machinery Works Limited Method and apparatus for supplying rod-like articles
JPH08217227A (en) * 1995-02-10 1996-08-27 Aioi Seiki Kk Rotating drum type object rotating device
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CN105584817A (en) * 2016-03-09 2016-05-18 东莞市叁益机械科技有限公司 Overturning device used for precise sand blasting machine
CN107310934A (en) * 2017-07-11 2017-11-03 上海音锋机器人股份有限公司 Material transfer equipment
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Denomination of invention: An automatic flipping machine for bathroom products

Effective date of registration: 20230621

Granted publication date: 20220701

Pledgee: China Co. truction Bank Corp Foshan branch

Pledgor: Guangdong Crystal Island intelligent health Co.,Ltd.

Registration number: Y2023980045136