CN113173292A - Intelligent weighing box replacing line for injection molding processing - Google Patents
Intelligent weighing box replacing line for injection molding processing Download PDFInfo
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- CN113173292A CN113173292A CN202110495356.7A CN202110495356A CN113173292A CN 113173292 A CN113173292 A CN 113173292A CN 202110495356 A CN202110495356 A CN 202110495356A CN 113173292 A CN113173292 A CN 113173292A
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- box
- conveying mechanism
- station
- injection molding
- box body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B37/00—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged
- B65B37/16—Separating measured quantities from supply
- B65B37/18—Separating measured quantities from supply by weighing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/52—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using roller-ways or endless conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
- B65B57/12—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of wrapping materials, containers, or packages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
- B65B57/14—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Specific Conveyance Elements (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention belongs to intelligent processing equipment in the technical field of injection molding processing, and particularly relates to an intelligent weighing box changing line for injection molding processing, which comprises a box body conveying mechanism and a material conveying mechanism, wherein the box body conveying mechanism is positioned beside an injection molding machine, the material conveying mechanism is positioned below a mold of the injection molding machine, the box body conveying mechanism is sequentially provided with a station a, a station b and a station c along the conveying direction, a weighing device is arranged at the position of the station b, the discharge end of the material conveying mechanism extends to the position above a material box at the station b, and the weighing device, the box body conveying mechanism and the material conveying mechanism are electrically connected with a controller. According to the invention, the material conveying mechanism and the box body conveying mechanism are matched to realize automatic collection of materials, the weighing device is adopted to detect the loading condition of the material box in real time, and the controller automatically controls the box body conveying mechanism to implement box changing action after the material box is filled, so that the intelligent unmanned operation of the injection molding machine is realized, the production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The invention belongs to intelligent processing equipment in the technical field of injection molding processing, and particularly relates to an intelligent weighing box changing line for injection molding processing.
Background
After injection molding of the injection molding piece is completed, the injection molding piece needs to be collected and boxed, so that subsequent circulation and processing are facilitated. For reducing staff's intensity of labour in the production process, improve production efficiency, reduction in production cost, need design an intelligent unmanned on duty case change line, should trade the case line and need satisfy following function, one first can whether fill according to material weight automatic identification box, second, the box is filled the back and need carry out automatic change to the box, third is need to ensure that the material is piled up evenly after the vanning is accomplished, avoid the local uplift of material to cause the extrusion to the work piece in order to prevent follow-up box stack in-process.
Disclosure of Invention
The invention aims to provide an intelligent weighing and box changing line for injection molding processing, which can automatically identify the loading condition of a box body according to the weight of materials and can automatically change a new box body for continuous material collection after the box body is full.
The technical scheme adopted by the invention is as follows:
an intelligent weighing box-changing line for injection molding processing comprises a box body conveying mechanism positioned beside an injection molding machine, and a material conveying mechanism positioned below the injection molding machine die, wherein the box body conveying mechanism is sequentially provided with a station a, a station b and a station c along the conveying direction, the material box is sequentially transferred among the station a, the station b and the station c along the box body conveying mechanism, a weighing device is arranged at the position of the station b, the discharge end of the material conveying mechanism extends to the upper part of a material box at the position of the station b, the weighing device, the box body conveying mechanism and the material conveying mechanism are electrically connected with a controller, when the material in the material box at the station b reaches the preset weight, the controller controls the material conveying mechanism to stop, and controlling the box body conveying mechanism to feed a step pitch, and then driving the material conveying mechanism to open, wherein the step pitch is the distance between two adjacent stations in the station a, the station b and the station c.
The weighing device comprises a base, a support frame is arranged on the base, a pressure sensor is arranged between the support frame and the base, a lifting positioning mechanism is arranged on the support frame, and the lifting positioning mechanism is assembled to clamp a material box on a station b and lift the material box for a certain distance so that the bottom surface of the material box is separated from a box body conveying mechanism; and when the controller controls the box conveying mechanism to feed a step pitch, the controller controls the lifting positioning mechanism to clamp and lift a new material box.
The lifting positioning mechanism comprises two side clamping plates which are respectively arranged at two sides of the box body conveying mechanism, the two side clamping plates are respectively connected with the two floating plates in a sliding manner along the direction parallel to the box body conveying mechanism, the two floating plates are respectively movably connected with the two sliding seats along the direction perpendicular to the box body conveying mechanism, a first elastic unit used for driving the two floating plates to be close to each other is arranged between the floating plates and the sliding seats, and the sliding seats are arranged on the supporting frame in a sliding manner along the direction perpendicular to the box body conveying mechanism; the lifting positioning mechanism also comprises an end clamping arm arranged at least one end of the front end and the rear end of the work bin, and a driving mechanism used for driving the two sliding seats and the end clamping arm to approach the work bin, wherein the driving mechanism is assembled to drive the two sliding seats to approach the work bin firstly, and then drive the end clamping arm to approach the work bin and push the work bin to slide to a preset position along a direction parallel to the box conveying mechanism after the two side clamping plates clamp the two side walls of the work bin; the lower extreme of side splint is equipped with the bottom plate that extends towards the workbin bottom, the tip of bottom plate is equipped with the tapered surface, and the workbin can be lifted to the bottom plate under the guide of this tapered surface when two side splint draw close each other.
A vibration material homogenizing mechanism is arranged between the side clamping plate and the floating plate and comprises a second elastic unit, the second elastic unit is assembled to enable the second elastic unit to deform when the end clamping arms push the material box and enable the material box to slide to the preset position, and elastic potential energy of the second elastic unit can drive the material box to vibrate back and forth when the end clamping arms release the material box instantly; and the side wall of the work bin is provided with an antiskid plate, and the outer surface of the antiskid plate is provided with antiskid lines.
The driving mechanism comprises a rotating shaft vertically and rotatably arranged on the supporting frame and a driving support movably arranged in the direction parallel to the box body conveying mechanism, a first rotary arm fixedly connected with the rotating shaft is arranged on the rotating shaft, two ends of the first rotary arm are respectively hinged with a first connecting rod, and the first connecting rods are respectively hinged with the two sliding seats; the box conveying mechanism is characterized in that a swing arm fixedly connected with the rotating shaft is further arranged on the rotating shaft, a guide pillar is arranged at the end of the swing arm, an L-shaped guide groove in sliding fit with the guide pillar is arranged on the driving support, the L-shaped guide groove comprises a first section perpendicular to the conveying direction of the box conveying mechanism and a second section parallel to the conveying direction of the box, the driving support is provided with a first stroke and a second stroke along the moving direction, the guide pillar slides in the first section of the L-shaped guide groove when the movable support moves in the first stroke, the driving support can drive the swing arm to swing at the moment, the guide pillar slides in the second section of the L-shaped guide groove when the movable support moves in the second stroke, and the swing arm is kept static at the moment.
The end part clamping arms comprise swing rods and arc-shaped rods, the swing rods are hinged to the supporting frame, the arc-shaped rods are fixedly connected with the end parts of the swing rods, arc centers of the arc-shaped rods are located on the axis of a hinged shaft of the swing rods, one ends of the arc-shaped rods are provided with press rollers in rolling fit with the outer wall of the material box, the other ends of the arc-shaped rods are provided with guide wheels, the driving support is provided with push blocks, the push blocks can push the guide wheels to enable the arc-shaped rods to swing and push the material box when the driving support moves to a first preset position in a second stroke along a first direction, the guide wheels can be separated from the push blocks when the driving support continues to move to a second preset position in the second stroke along the first direction, and the material box can be released instantly at the moment by the arc-shaped rods; the pushing block is provided with a notch part for the guide wheel to pass through, the notch part is provided with a one-way locking plate, the one-way locking plate is pivoted with the pushing block, a limiting part for limiting the rotation angle of the one-way locking plate is arranged between the one-way locking plate and the pushing block, the limiting part can prevent the one-way locking plate from rotating to close the notch part when the driving bracket moves along a first direction, and the one-way locking plate can rotate to open under the squeezing and pushing action of the guide wheel when the driving bracket moves along a second direction so that the guide wheel passes through the notch part; the first direction and the second direction are two opposite directions parallel to the magazine transport mechanism.
And a second rotary arm rotatably connected with the rotary shaft is further arranged on the rotary shaft, two ends of the second rotary arm are respectively hinged with a second connecting rod, and the two second connecting rods are respectively hinged with the two floating plates.
The floating plate is provided with a guide rod, the side clamping plate is provided with a guide sleeve in sliding fit with the guide rod, the guide rod is provided with a radial boss, the side clamping plate is provided with a lug, the lug is provided with a through hole for the guide rod to pass through, the second elastic unit is a spring, and two ends of the spring are fixedly connected with the lug and the radial boss respectively.
The driving module is an air cylinder, a hydraulic cylinder or an electric cylinder, and the driving support is connected with a power output part of the driving module.
The box body conveying mechanism is a roller conveying line; the material conveying mechanism comprises a conveying belt and a scraper elevator, the conveying belt is horizontally arranged, the scraper elevator is located at the discharge end of the conveying belt, and the discharge end of the scraper elevator is located above a material box of the station b.
The invention has the technical effects that: according to the invention, the material conveying mechanism and the box body conveying mechanism are matched to realize automatic collection of materials, the weighing device is adopted to detect the loading condition of the material box in real time, and the controller automatically controls the box body conveying mechanism to implement box changing action after the material box is filled, so that the intelligent unmanned operation of the injection molding machine is realized, the production efficiency is improved, and the production cost is reduced.
Drawings
FIG. 1 is a perspective view of an intelligent weigh bin change line provided by an embodiment of the present invention;
FIG. 2 is a perspective view of a weighing apparatus provided by an embodiment of the present invention;
FIG. 3 is a front view of a weighing apparatus provided by an embodiment of the present invention;
FIG. 4 is a perspective view of a lift positioning mechanism provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a driving structure of the side clamping plate according to the embodiment of the present invention;
FIG. 6 is a top view of a side clamping plate drive arrangement provided by an embodiment of the present invention;
FIG. 7 is a front view of a side clamping plate drive arrangement provided by an embodiment of the present invention;
FIG. 8 is a schematic view of a drive mechanism for an end clamp arm provided by an embodiment of the present invention;
FIG. 9 is an assembly view of a side clamp provided by an embodiment of the present invention;
FIG. 10 is a perspective view of an end clamp arm provided by an embodiment of the present invention;
FIG. 11 is a schematic view of a spindle mounting structure provided in an embodiment of the present invention;
fig. 12 is a schematic perspective view of a driving bracket according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed. It should be noted that, in the expression of the present invention, the "direction of the box conveying mechanism" refers to the conveying direction of the bin, wherein the front and the rear refer to the front and the rear of the conveying direction of the bin, respectively.
As shown in figure 1, an intelligent weighing box-changing line for injection molding processing comprises a box conveying mechanism 20 located beside an injection molding machine and a material conveying mechanism located below a mold of the injection molding machine, wherein the box conveying mechanism 20 is sequentially provided with a station a, a station b and a station c along a conveying direction, a material box 30 is sequentially transferred among the station a, the station b and the station c along the box conveying mechanism 20, a weighing device 40 is arranged at the position of the station b, a discharge end of the material conveying mechanism extends to the position above the material box 30 at the position of the station b, the weighing device 40, the box conveying mechanism 20 and the material conveying mechanism are electrically connected with a controller, when the material in the material box 30 at the station b reaches a preset weight, the controller controls the material conveying mechanism to stop, controls the box conveying mechanism 20 to feed a step pitch and then drives the material conveying mechanism to open, and the step pitch is the station a, The distance between two adjacent stations in the station b and the station c. According to the invention, the material conveying mechanism and the box body conveying mechanism 20 are matched to realize automatic collection of materials, the weighing device 40 is adopted to detect the loading condition of the material box 30 in real time, and the controller automatically controls the box body conveying mechanism 20 to implement box changing action after the material box 30 is filled, so that intelligent unmanned operation of the injection molding machine is realized, the production efficiency is improved, and the production cost is reduced.
Preferably, as shown in fig. 2, 3 and 4, the weighing device 40 includes a base 41, a support frame 501 is disposed on the base 41, a pressure sensor 42 is disposed between the support frame 501 and the base 41, a lifting positioning mechanism 50 is disposed on the support frame 501, and the lifting positioning mechanism 50 is configured to clamp the bin 30 at the station b and lift the bin 30 for a distance to separate the bottom surface of the bin 30 from the bin conveying mechanism 20; and the driving module of the lifting and positioning mechanism 50 is electrically connected with the controller, when the material in the material box 30 at the station b reaches the preset weight, the controller controls the lifting and positioning mechanism 50 to release the material box 30 to the box body conveying mechanism 20, and when the controller controls the box body conveying mechanism 20 to feed for one step, the controller controls the lifting and positioning mechanism 50 to clamp and lift a new material box 30. According to the invention, the precise positioning and fixing of the material box 30 are realized by utilizing the lifting positioning device, meanwhile, the material box 30 is separated from the box body conveying mechanism 20, the accuracy of a weighing result is ensured, and the material box 30 is not contacted with the box body conveying mechanism 20 in the weighing process, so that the box body conveying mechanism 20 has no special design requirement, can be directly matched with the existing roller conveying line for use, and the equipment structure is simplified.
Preferably, as shown in fig. 5 to 12, the lifting and positioning mechanism 50 includes two side clamping plates 51 respectively disposed at two sides of the box conveying mechanism 20, the two side clamping plates 51 are respectively connected with two floating plates 53 in a sliding manner in a direction parallel to the box conveying mechanism 20, the two floating plates 53 are respectively connected with two sliding seats 54 in a movable manner in a direction perpendicular to the box conveying mechanism 20, a first elastic unit 541 for driving the two floating plates 53 to approach each other is disposed between the floating plates 53 and the sliding seats 54, and the sliding seats 54 are slidably disposed on the supporting frame 501 in a direction perpendicular to the box conveying mechanism 20; the lifting positioning mechanism 50 further comprises an end clamping arm 52 arranged at least one of the front end and the rear end of the feed box 30, and a driving mechanism for driving the two sliding bases 54 and the end clamping arm 52 to approach the feed box 30, wherein the driving mechanism is assembled to drive the two sliding bases 54 to approach the feed box 30 firstly, and then drive the end clamping arm 52 to approach the feed box 30 and push the feed box 30 to slide to a preset position along a direction parallel to the box conveying mechanism 20 after the two side clamping plates 51 clamp the two side walls of the feed box 30; the lower ends of the side clamping plates 51 are provided with lower supporting plates 511 extending towards the bottom of the material box 30, the end parts of the lower supporting plates 511 are provided with wedge surfaces, and the material box 30 can be lifted onto the lower supporting plates 511 under the guidance of the wedge surfaces when the two side clamping plates 51 are close to each other. The first elastic unit 541 is arranged between the floating plate 53 and the sliding seat 54, so that the side clamping plates 51 can adapt to the widths of different boxes in the clamping process, and the side clamping plates 51 are arranged on the floating plate 53 in a sliding manner, so that the final longitudinal position of the bin 30 depends on the final clamping position of the end clamping arms 52, and the final longitudinal position of the bin 30 is determined because the final clamping position of the end clamping arms 52 is certain, so that the position of the bin 30 on the conveying mechanism can float to a certain extent when the two side clamping plates 51 clamp the bin 30, and the bin 30 is not required to be stopped at a very accurate position, so that the precision requirement of a driving element is reduced, the fault tolerance of the equipment is improved, the equipment is more reliable in operation, and the service life is long.
Further, as shown in fig. 6 and 9, a vibration material homogenizing mechanism is arranged between the side clamping plates 51 and the floating plate 53, the vibration material homogenizing mechanism includes a second elastic unit 531, the second elastic unit 531 is configured to enable the second elastic unit 531 to deform when the end clamping arms 52 push the material box 30 and enable the material box 30 to slide to the preset position, and the elastic potential energy of the second elastic unit 531 can drive the material box 30 to vibrate back and forth when the end clamping arms 52 release the material box 30 instantly; and the side wall of the material box 30 is provided with an antiskid plate, and the outer surface of the antiskid plate is provided with antiskid lines. The vibration material homogenizing mechanism is stored by skillfully utilizing the squeezing and pushing action of the end clamping arm 52, the potential energy is released after the materials are full, the slight vibration effect is achieved, no additional power source is needed in the vibration process, the new technical problem is solved, and the structure of the equipment is simplified to the maximum extent.
Specifically, as shown in fig. 6, 7, 11, and 12, the driving mechanism includes a rotating shaft 55 vertically and rotatably disposed on the supporting frame 501 and a driving bracket 56 movably disposed along a direction parallel to the box conveying mechanism 20, a first rotating arm 552 fixedly connected to the rotating shaft 55 is disposed on the rotating shaft 55, two ends of the first rotating arm 552 are respectively hinged to a first connecting rod 554, and the first connecting rods 554 are respectively hinged to the two sliding bases 54; the rotating shaft 55 is further provided with a swing arm 551 fixedly connected with the rotating shaft 55, a guide post is arranged at the end of the swing arm 551, an L-shaped guide groove 563 in sliding fit with the guide post is arranged on the driving bracket 56, the L-shaped guide groove 563 comprises a first section perpendicular to the conveying direction of the box conveying mechanism 20 and a second section parallel to the conveying direction of the box, the driving bracket 56 has a first stroke and a second stroke along the moving direction, the guide post slides in the first section of the L-shaped guide groove 563 when the movable bracket moves in the first stroke, at this time, the driving bracket 56 can drive the swing arm 551 to swing, the guide post slides in the second section of the L-shaped guide groove 563 when the movable bracket moves in the second stroke, and at this time, the swing arm 551 keeps still.
Preferably, as shown in fig. 10, the end clamping arm 52 includes a swing rod 521 and an arc rod 522, the swing rod 521 is hinged to the support frame 501, the arc rod 522 is fixedly connected to an end of the swing rod 521, an arc center of the arc rod 522 is located on an axis of a hinge shaft of the swing rod 521, one end of the arc rod 522 is provided with a press roller 523 that is in rolling fit with an outer wall of the bin 30, the other end of the arc rod 522 is provided with a guide wheel 524, the driving bracket 56 is provided with a push block 561, when the driving bracket 56 moves to a first preset position in a second stroke along a first direction, the push block 561 can push the guide wheel 524 to swing the arc rod 522 and push the bin 30, and when the driving bracket 56 continues to move to a second preset position in the second stroke along the first direction, the guide wheel 524 can be separated from the push block 561, at this time, the arc rod 522 can release the bin 30 instantly; a notch part for the guide wheel 524 to pass through is arranged on the push block 561, a one-way locking plate 562 is arranged on the notch part, the one-way locking plate 562 is pivoted with the push block 561, a limiting part for limiting the rotation angle of the one-way locking plate 562 is arranged between the one-way locking plate 562 and the push block 561, when the driving bracket 56 moves along a first direction, the limiting part can prevent the one-way locking plate 562 from rotating to close the notch part, and when the driving bracket 56 moves along a second direction, the one-way locking plate 562 can rotate to be opened under the extrusion and pushing of the guide wheel 524 so that the guide wheel 524 passes through the notch part; the first and second directions are two opposite directions parallel to the cassette conveying mechanism 20.
Further, a second rotating arm 553 is further disposed on the rotating shaft 55 and is rotatably connected to the rotating shaft 55, two ends of the second rotating arm 553 are respectively hinged to a second connecting rod 555, and the two second connecting rods 555 are respectively hinged to the two floating plates 53. The second rotating arm 553 and the second connecting rod 555 can open and close the two floating plates 53 synchronously, so as to ensure that the two side clamping plates 51 clamp the rear bin 30 on the central axis of the bin conveying mechanism 20.
Preferably, as shown in fig. 9, a guide rod is arranged on the floating plate 53, a guide sleeve slidably engaged with the guide rod is arranged on the side clamping plate 51, a radial boss is arranged on the guide rod, a lug is arranged on the side clamping plate 51, a through hole for the guide rod to pass through is arranged on the lug, the second elastic unit 531 is a spring, and two ends of the spring are fixedly connected with the lug and the radial boss respectively.
Preferably, the driving module is an air cylinder, a hydraulic cylinder or an electric cylinder, and the driving bracket 56 is connected with a power output component of the driving module. The box body conveying mechanism 20 is a roller conveying line; the material conveying mechanism comprises a conveying belt 11 arranged horizontally and a scraper elevator 12 located at the discharge end of the conveying belt 11, and the discharge end of the scraper elevator 12 is located above a material box 30 of a station b.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
1. The utility model provides an intelligence is weighed and is traded case line for injection moulding processing which characterized in that: including box conveying mechanism (20) that is located the injection molding machine side to and the material conveying mechanism who is located injection molding machine mould below, box conveying mechanism (20) set gradually station a, station b and station c along direction of delivery, and workbin (30) shift between station a, station b, station c along box conveying mechanism (20) in proper order, station b position department is equipped with weighing device (40), material conveying mechanism's discharge end extends to station b and locates the top of workbin (30), weighing device (40), box conveying mechanism (20) and material conveying mechanism are connected with the controller electricity, and the controller control material conveying mechanism stops when the material in station b workbin (30) reaches preset weight to control box conveying mechanism (20) and feed a stride, and the redrive material conveying mechanism opens, a stride is station a, The distance between two adjacent stations in the station b and the station c.
2. The intelligent weighing and box-changing line for injection molding according to claim 1, characterized in that: the weighing device (40) comprises a base (41), a support frame (501) is arranged on the base (41), a pressure sensor (42) is arranged between the support frame (501) and the base (41), a lifting positioning mechanism (50) is arranged on the support frame (501), and the lifting positioning mechanism (50) is assembled to clamp the material box (30) on the station b and lift the material box (30) for a certain distance to separate the bottom surface of the material box (30) from the box body conveying mechanism (20); and a driving module of the lifting positioning mechanism (50) is electrically connected with the controller, when the materials in the material box (30) at the station b reach the preset weight, the controller controls the lifting positioning mechanism (50) to release the material box (30) to the box body conveying mechanism (20), and when the controller controls the box body conveying mechanism (20) to feed for one step, the controller controls the lifting positioning mechanism (50) to clamp and lift a new material box (30).
3. The intelligent weighing and box-changing line for injection molding according to claim 2, wherein: the lifting positioning mechanism (50) comprises two side clamping plates (51) which are respectively arranged at two sides of the box body conveying mechanism (20), the two side clamping plates (51) are respectively connected with two floating plates (53) in a sliding manner along the direction parallel to the box body conveying mechanism (20), the two floating plates (53) are respectively connected with two sliding seats (54) in a movable manner along the direction perpendicular to the box body conveying mechanism (20), a first elastic unit (541) used for driving the two floating plates (53) to be close to each other is arranged between the floating plates (53) and the sliding seats (54), and the sliding seats (54) are arranged on the supporting frame (501) in a sliding manner along the direction perpendicular to the box body conveying mechanism (20); the lifting positioning mechanism (50) further comprises an end clamping arm (52) arranged at least one end of the front end and the rear end of the feed box (30), and a driving mechanism used for driving the two sliding seats (54) and the end clamping arm (52) to draw close to the feed box (30), wherein the driving mechanism is assembled to drive the two sliding seats (54) to draw close to the feed box (30) at first, and drive the end clamping arm (52) to draw close to the feed box (30) and push the feed box (30) to slide to a preset position along a direction parallel to the box conveying mechanism (20) after the two side clamping plates (51) clamp the two side walls of the feed box (30); the lower extreme of side splint (51) is equipped with bottom plate (511) towards workbin (30) bottom extension, the tip of bottom plate (511) is equipped with the tapered surface, and workbin (30) can be lifted to bottom plate (511) under the guide of this tapered surface when two side splint (51) draw close to each other on.
4. The intelligent weighing and box-changing line for injection molding according to claim 3, wherein: a vibration material homogenizing mechanism is arranged between the side clamping plate (51) and the floating plate (53), the vibration material homogenizing mechanism comprises a second elastic unit (531), the second elastic unit (531) is assembled to enable the second elastic unit (531) to deform when the end clamping arms (52) push the material box (30) and enable the material box (30) to slide to the preset position, and elastic potential energy of the second elastic unit (531) can drive the material box (30) to vibrate back and forth when the end clamping arms (52) release the material box (30) instantly; and the side wall of the work bin (30) is provided with an antiskid plate, and the outer surface of the antiskid plate is provided with antiskid lines.
5. The intelligent weighing and box-changing line for injection molding according to claim 4, wherein: the driving mechanism comprises a rotating shaft (55) vertically and rotatably arranged on the supporting frame (501) and a driving support (56) movably arranged in the direction parallel to the box body conveying mechanism (20), a first rotary arm (552) fixedly connected with the rotating shaft (55) is arranged on the rotating shaft (55), two ends of the first rotary arm (552) are respectively hinged with a first connecting rod (554), and the first connecting rods (554) are respectively hinged with the two sliding seats (54); the box conveying mechanism is characterized in that a swing arm (551) fixedly connected with the rotating shaft (55) is further arranged on the rotating shaft (55), a guide post is arranged at the end of the swing arm (551), an L-shaped guide groove (563) in sliding fit with the guide post is arranged on the driving support (56), the L-shaped guide groove (563) comprises a first section perpendicular to the conveying direction of the box conveying mechanism (20) and a second section parallel to the conveying direction of the box, the driving support (56) has a first stroke and a second stroke along the moving direction, when the movable support moves in the first stroke, the guide post slides in the first section of the L-shaped guide groove (563), at the moment, the driving support (56) can drive the swing arm (551) to swing, when the movable support moves in the second stroke, the guide post slides in the second section of the L-shaped guide groove (563), and at the moment, the swing arm (551) keeps static.
6. The intelligent weighing and box-changing line for injection molding according to claim 5, wherein: the end clamping arm (52) comprises a swing rod (521) and an arc-shaped rod (522), the swing rod (521) is hinged with the support frame (501), the arc-shaped rod (522) is fixedly connected with the end of the swing rod (521), the arc center of the arc rod (522) is positioned on the axis of the hinged shaft of the swing rod (521), one end of the arc rod (522) is provided with a press roller (523) which is in rolling fit with the outer wall of the bin (30), the other end is provided with a guide wheel (524), the driving bracket (56) is provided with a push block (561), when the driving bracket (56) moves to a first preset position along a first direction in a second stroke, the push block (561) can push the guide wheel (524) to enable the arc-shaped rod (522) to swing and push the work bin (30), when the driving support (56) continues to move to a second preset position along the first direction in a second stroke, the guide wheel (524) can be separated from the push block (561), and at the moment, the arc-shaped rod (522) can instantly release the material box (30); the pushing block (561) is provided with a notch part for the guide wheel (524) to penetrate through, a one-way locking plate (562) is arranged on the notch part, the one-way locking plate (562) is pivoted with the pushing block (561), a limiting part for limiting the rotation angle of the one-way locking plate (562) is arranged between the one-way locking plate (562) and the pushing block (561), when the driving support (56) moves along a first direction, the limiting part can prevent the one-way locking plate (562) from rotating to close the notch part, and when the driving support (56) moves along a second direction, the one-way locking plate (562) can rotate to open under the squeezing and pushing of the guide wheel (524) to enable the guide wheel (524) to pass through the notch part; the first and second directions are two opposite directions parallel to the magazine conveyor (20).
7. The intelligent weighing and box-changing line for injection molding according to claim 3, wherein: and a second rotary arm (553) rotatably connected with the rotating shaft (55) is further arranged on the rotating shaft (55), two ends of the second rotary arm (553) are respectively hinged with a second connecting rod (555), and the two second connecting rods (555) are respectively hinged with the two floating plates (53).
8. The intelligent weighing and box-changing line for injection molding according to claim 4, wherein: the floating plate is characterized in that a guide rod is arranged on the floating plate (53), a guide sleeve in sliding fit with the guide rod is arranged on the side clamping plate (51), a radial boss is arranged on the guide rod, a lug is arranged on the side clamping plate (51), a through hole for the guide rod to pass through is formed in the lug, the second elastic unit (531) is a spring, and two ends of the spring are fixedly connected with the lug and the radial boss respectively.
9. The intelligent weighing and box-changing line for injection molding according to claim 5, wherein: the driving module is an air cylinder, a hydraulic cylinder or an electric cylinder, and the driving support (56) is connected with a power output part of the driving module.
10. The intelligent weighing and box-changing line for injection molding according to claim 1, characterized in that: the box body conveying mechanism (20) is a roller conveying line; the material conveying mechanism comprises a conveying belt (11) and a scraper elevator (12), wherein the conveying belt (11) is horizontally arranged, the scraper elevator (12) is located at the discharge end of the conveying belt (11), and the discharge end of the scraper elevator (12) is located above a material box (30) of a station b.
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| CN202110495356.7A CN113173292B (en) | 2021-05-07 | 2021-05-07 | Intelligent weighing box replacing line for injection molding processing |
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| CN202110495356.7A CN113173292B (en) | 2021-05-07 | 2021-05-07 | Intelligent weighing box replacing line for injection molding processing |
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| CN113173292B CN113173292B (en) | 2022-12-09 |
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|---|---|
| CN113173292B (en) | 2022-12-09 |
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