CN217262643U

CN217262643U - Automatic workpiece feeding device

Info

Publication number: CN217262643U
Application number: CN202220996066.0U
Authority: CN
Inventors: 张灿代; 李平; 栾国梁; 殷乙文; 张美丽; 刘呈佳
Original assignee: Qingdao Manico Intelligent Technology Co ltd; Haier Caos IoT Ecological Technology Co Ltd; Cosmoplat Industrial Intelligent Research Institute Qingdao Co Ltd
Current assignee: Karos Iot Technology Co ltd; Qingdao Manico Intelligent Technology Co ltd; Cosmoplat Industrial Intelligent Research Institute Qingdao Co Ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-23
Anticipated expiration: 2032-04-27

Abstract

The utility model relates to a machinery processing technology field discloses a work piece automatic feeding device. The automatic workpiece feeding device comprises a rack, a rotary table, a positioning assembly and a jacking mechanism. The rotary table is rotatably arranged on the rack, a plurality of material loading platforms are arranged on the rotary table at intervals along the circumferential direction and can be disassembled, first material loading holes are formed in the material loading platforms, and a plurality of second material loading holes are formed in the rotary table and correspond to the first material loading holes one by one; each material loading platform can be detachably provided with a positioning assembly for fixing one or more stacked workpieces; the jacking mechanism is arranged below the rotary table and comprises a push rod moving in the height direction, and the push rod can penetrate through a second feeding hole and the corresponding first feeding hole and jack up a workpiece. The automatic workpiece feeding device is convenient to maintain and repair, is suitable for workpieces of different specifications, and is high in production efficiency.

Description

Automatic workpiece feeding device

Technical Field

The utility model relates to the technical field of machining, especially, relate to a work piece automatic feeding device.

Background

At present, flange plate feeding adopts manual feeding, and a person carries the flange plate to a proper position of a next station. Because of the work piece is metal product, adopts the manual work to carry work pieces such as ring flange, need consume a large amount of physical power and time, leads to production efficiency low, and puts the position precision when moving to next station not high, is unfavorable for going on smoothly of next station. Therefore, the automatic equipment replaces people gradually to carry out automatic handling, and manpower is saved. However, most of the existing automation equipment can only carry out positioning and carrying on workpieces with single specification, the efficiency is not high, the equipment is complex, and the cost is high.

Therefore, there is a need for an automatic workpiece feeding device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on it be above, an object of the utility model is to provide a work piece automatic feeding device, the maintenance of being convenient for is applicable to the work piece of different specifications, and production efficiency is higher.

In order to achieve the purpose, the utility model adopts the following technical proposal:

an automatic workpiece feeding device, comprising:

a frame;

the rotary table is rotatably arranged on the rack, a plurality of material loading platforms are arranged on the rotary table at intervals along the circumferential direction and can be disassembled, a first material loading hole is formed in each material loading platform, a plurality of second material loading holes are formed in the rotary table, and the rotary table corresponds to the first material loading holes one by one;

the positioning assembly is detachably arranged on each material loading platform and used for fixing one or more stacked workpieces;

the jacking mechanism is arranged below the rotary table and comprises a push rod which is movably arranged along the height direction, and the push rod can penetrate through one second feeding hole and the corresponding first feeding hole and jack up the workpiece.

As a preferable aspect of the automatic workpiece feeding device, the positioning assembly includes:

the positioning plate group comprises two positioning plates which are oppositely arranged at intervals, a limiting groove is formed in the side face, facing the other positioning plate, of one positioning plate, the length of the limiting groove is arranged in the height direction and penetrates through the positioning plates, and the workpiece is clamped between the two limiting grooves.

As a preferred scheme of the automatic workpiece feeding device, a plurality of positioning plate groups are arranged, the plurality of positioning plate groups are arranged on the material carrying table at intervals and detachably, and the width of the limiting grooves in the positioning plates of the plurality of positioning plate groups is the same or different.

As a preferred scheme of the automatic workpiece feeding device, a plurality of first positioning holes are formed in the material loading platform, the first positioning holes are circumferentially arranged at intervals and/or radially arranged at intervals, and each positioning plate is clamped in one first positioning hole.

As a preferable aspect of the automatic workpiece feeding device, the positioning assembly further includes:

the positioning rod sets are arranged on the material loading platform in a detachable mode at intervals, each positioning rod set comprises two positioning rods arranged at opposite intervals, the two positioning rods and the two positioning plates form an annular shape in a surrounding mode, and the workpieces are abutted between the two positioning rods.

As a preferred scheme of the automatic workpiece feeding device, the automatic workpiece feeding device further comprises:

the locating part is arranged on the rack in a movable mode in the radial direction of the rotary table, a plurality of stabilizing grooves are arranged at the periphery of the rotary table at intervals and are arranged in a one-to-one correspondence mode with the material carrying tables, and the locating part can be clamped or loosened.

the first driving assembly is arranged on the rack and located below the rotary table, and the first driving assembly is connected to the rotary table in a driving mode so as to drive the rotary table to rotate.

As a preferred scheme of the automatic workpiece feeding device, the first driving assembly comprises a first driving piece, a driving gear and a driven gear, the first driving piece is arranged on the rack and is in driving connection with the driving gear, the driven gear is meshed with the driving gear, and the rotary table is in transmission connection with a central shaft of the driven gear.

As a preferred scheme of the automatic workpiece feeding device, a table top is arranged on the rack, the rotary table is rotatably connected to the table top, a third feeding hole is formed in the table top, and the jacking mechanism comprises a second driving piece, a fixed plate, a guide rod, a screw rod and a sliding block;

the upper end of the guide rod is connected with the table board, the lower end of the guide rod is connected with the fixed plate, the second driving piece is fixed on the fixed plate and is in driving connection with the screw rod to drive the screw rod to rotate, the sliding block is sleeved with the sliding block in a sliding mode, the guide rod is sleeved with the screw thread in the periphery of the screw rod, the ejector rod is movably sleeved with the periphery of the screw rod and fixedly connected with the sliding block, and the ejector rod moves along the height direction along with the sliding block and can penetrate through the third feeding hole.

As a preferred scheme of the automatic workpiece feeding device, the automatic workpiece feeding device further comprises a controller and a first detection piece electrically connected with the controller, a feeding station and a material taking station which are opposite to the ejector rod are arranged above the rotary table, the first detection piece is arranged on the rack and used for detecting whether the material taking station is provided with the workpiece and outputting a first detection signal, and the controller can control the second driving piece to start and stop according to the first detection signal.

The utility model has the advantages that:

the utility model provides an automatic workpiece feeding device, which comprises a frame, a rotary table and a jacking mechanism, wherein a push rod jacks up a workpiece to send the workpiece to a preset position so that a subsequent manipulator can grab the workpiece at a fixed position, and the push rod jacks up again to jack the next workpiece to the preset position after the workpiece is clamped; after all the workpieces on the material loading platform are clamped, the ejector rod retracts to the lower portion of the rotary table, the rotary table rotates to the other second material loading hole to be aligned with the ejector rod, and the workpieces on the material loading platform are loaded. Under the structure, the automatic workpiece feeding device realizes automatic feeding of workpieces, guarantees feeding accuracy, and can effectively improve production efficiency and product yield. The material carrying platform is detachably arranged, and the positioning assembly on the material carrying platform is detachably arranged, so that the maintenance and the repair are facilitated, the operation reliability is improved, the positioning assembly can be selectively replaced and selected according to different sizes and specifications of workpieces, and the practicability is enhanced; meanwhile, the whole material loading platform is convenient to directly replace, the replaceable range of the positioning assembly is further expanded, the automatic workpiece feeding device is suitable for workpieces with more sizes, the practicability of the automatic workpiece feeding device is enhanced, and the automatic workpiece feeding device is favorable for saving cost and improving production efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and 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 contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural view of an automatic workpiece feeding device provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an automatic workpiece feeding device at a first viewing angle according to an embodiment of the present invention;

fig. 3 is a first schematic structural diagram (illustrating a workpiece) on a table top at a first viewing angle according to an embodiment of the present invention;

fig. 4 is a second schematic structural diagram (not shown) of the table top at the first viewing angle according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram three (not shown) of the table top at the first viewing angle according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of the table top at a second viewing angle according to the embodiment of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 6;

fig. 8 is a side view of an automatic workpiece feeding device according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of an automatic workpiece feeding device at a third viewing angle according to an embodiment of the present invention.

In the figure:

1. a frame; 11. a table top; 2. a turntable; 3. a material loading platform;

4. a positioning assembly; 41. positioning a plate; 42. positioning a rod;

5. a workpiece;

6. a jacking mechanism; 61. a top rod; 62. a fixing plate; 63. a guide bar; 64. a screw; 65. a slider; 66. a second driving member;

71. a limiting member; 72. a base; 73. a slider; 74. a driving cylinder; 75. an elastic member;

8. a first drive assembly; 81. a first driving member; 82. a driving gear; 83. a driven gear;

91. a first detecting member; 92. a second detecting member; 93. a third detecting member; 94. a fourth detecting member;

10. supporting legs; 20. a positioning rod sleeve; 30. a locating plate limit piece;

100. a first feeding hole; 200. a second feeding hole; 300. a third feeding hole; 400. a first positioning hole; 500. a second positioning hole; 600. a limiting groove; 700. a stabilizing slot; 800. lightening holes; 900. and (4) mounting the groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

As shown in fig. 1 to 9, this embodiment provides an automatic workpiece feeding device, this automatic workpiece feeding device includes frame 1, revolving stage 2, locating component 4 and climbing mechanism 6, be provided with mesa 11 in the frame 1, revolving stage 2 rotates and sets up on mesa 11, third material loading hole 300 has been seted up on the mesa 11, along circumference interval and can dismantle on the revolving stage 2 and be provided with a plurality of material platforms 3 that carry, carry and seted up first material loading hole 100 on the material platform 3, seted up a plurality of second material loading holes 200 on the revolving stage 2 and with a plurality of first material loading hole 100 one-to-one. Wherein, all can dismantle on every year material platform 3 and be provided with locating component 4 for fixed one or more work piece 5 that pile up, climbing mechanism 6 sets up in the below of revolving stage 2, and climbing mechanism 6 includes the ejector pin 61 that moves the setting along the direction of height, and ejector pin 61 can pass third material loading hole 300, a second material loading hole 200 and the first material loading hole 100 that corresponds in proper order and jack-up work piece 5.

In this embodiment, the feeding station and the material taking station are sequentially arranged above the turntable 2 along the height direction, and the feeding station and the material taking station are both right opposite to the upper end of the ejector rod 61. The rotary table 2 can rotate by a preset angle at each time to sequentially transfer a plurality of loading materials to the position under the feeding station, then the workpiece 5 is jacked to the position of the material taking station from the feeding station through the jacking mechanism 6, a manipulator is convenient to grab the workpiece 5 at the fixed material taking station, the automation degree is improved, the grabbing precision is improved, and the product yield is improved.

The automatic workpiece feeding device provided by the embodiment jacks up the workpiece 5 through the ejector rod 61 to send the workpiece 5 to the material taking station, so that a subsequent manipulator can conveniently grab the workpiece 5 at a fixed position, and after the workpiece 5 is clamped, the ejector rod 61 jacks up again to jack the next workpiece 5 to a preset position; after all the workpieces 5 on the loading platform 3 are clamped, the ejector rod 61 retracts to the lower part of the rotary table 2, the rotary table 2 rotates to another second feeding hole 200 to a third feeding hole 300, namely, the upper end of the ejector rod 61 is aligned, and the workpieces 5 on the loading platform 3 are fed. Under the structure, the automatic workpiece feeding device realizes automatic feeding of the workpiece 5, ensures feeding accuracy, and can effectively improve production efficiency and product yield. The material carrying platform 3 and the positioning component 4 on the carrying platform are detachably arranged, so that the maintenance and the repair are facilitated, the operation reliability is improved, the positioning component 4 can be selectively replaced and selected according to different sizes and specifications of workpieces 5, and the practicability is enhanced; meanwhile, the whole material loading platform 3 is convenient to directly replace, the replaceable range of the positioning assembly 4 is further expanded, the automatic workpiece feeding device is suitable for workpieces 5 with more sizes, the practicability of the automatic workpiece feeding device is enhanced, and the automatic workpiece feeding device is beneficial to saving the cost and improving the production efficiency.

Preferably, as shown in fig. 2, the turntable 2 is provided with lightening holes 800, so that the weight of the turntable 2 is reduced, the weight of the workpiece 5 borne by the turntable 2 is increased, and the power is saved.

Preferably, referring to fig. 1 again, wall panels are disposed around the rack 1, and a door panel is disposed on one side of the rack to form a case which can be opened and closed, so that the appearance attractiveness and the structural compactness of the automatic workpiece feeding device are improved, and foreign objects can be prevented from influencing or even damaging the jacking mechanism 6.

Preferably, a plurality of supporting legs 10 are evenly arranged on the table top 11 at intervals along the circumferential direction, the supporting legs 10 are located on the lower end face of the outer edge of the rotary table 2, spherical balls are movably arranged at the tops of the supporting legs 10, the rotary table 2 abuts against the spherical balls, the supporting legs 10 provide supporting force for the rotary table 2, and the stability and the structural strength of the rotary table 2 can be effectively improved.

Specifically, referring to fig. 5 again, a plurality of mounting grooves 900 are formed in the turntable 2 at intervals in the circumferential direction, the shape and size of the mounting grooves 900 are matched with those of the material loading platform 3, for example, the cross section of the material loading platform 3 is circular, the mounting grooves 900 are also circular, and the second material loading hole 200 is formed in the center of the bottom of the mounting groove 900, so that the stability of the workpiece 5 when the workpiece is jacked up by the jacking mechanism 6 is improved. More specifically, a positioning column is disposed at a non-center of the bottom of the mounting groove 900, a waist-shaped hole is formed in the material loading platform 3, and the positioning column is inserted into the waist-shaped hole. Under the limiting action of the positioning columns and the mounting grooves 900, the material carrying table 3 is limited at a fixed position, is simple in structure and convenient to disassemble and assemble, and is beneficial to saving of disassembling and assembling time.

Further, as shown in fig. 1 to fig. 3, the positioning assembly 4 includes a positioning plate group, the positioning plate group includes two positioning plates 41 disposed at an interval, a side surface of one positioning plate 41 facing the other positioning plate 41 is provided with a limiting groove 600, the length of the limiting groove 600 is disposed along the height direction and penetrates through the positioning plate 41, and the workpiece 5 is clamped between the two limiting grooves 600. Under above-mentioned structure, work piece 5 can follow between two locating plates 41 of the 600 notch card of spacing groove of locating plate 41 upper end, the placing and the snatching of work piece 5 of being convenient for, and establish between two spacing grooves 600 through the card, realize the rigidity of work piece 5, improve stability. In this embodiment, the shape and size of the limiting groove 600 are adapted to the shape and size of the portion of the workpiece 5 that is clamped into the limiting groove 600. Illustratively, the outer periphery of the workpiece 5 has a plurality of protruding structures arranged at intervals, and the positioning of the workpiece 5 is realized by the protruding structures being clamped into the limiting grooves 600, for example, the workpiece 5 is a flange plate as shown in the figure.

Illustratively, the positioning plate 41 is U-shaped, and the two U-shaped positioning plates 41 have openings opposite to each other, so as to facilitate processing. Preferably, the locating plate 41 upper end inside wall is provided with the direction inclined plane, and the work piece 5 of being convenient for slides in spacing groove 600 along the direction inclined plane from the upper end, improves the convenience.

Preferably, the locating plate group is provided with a plurality of, and a plurality of locating plate group interval and the setting of dismantling are carried on the material platform 3, and the groove width of spacing groove 600 on the locating plate 41 of a plurality of locating plate group is the same or different. Through setting up a plurality of locating plate groups, can be according to the mounting plate group of the different specifications of demand dismouting to be applicable to the work piece 5 of different specifications, improve flexibility and convenience.

Illustratively, referring to fig. 3 and 4 again, the material loading platform 3 is provided with a plurality of first positioning holes 400, the plurality of first positioning holes 400 are circumferentially and/or radially spaced, and each positioning plate 41 is engaged with one first positioning hole 400. With the above structure, one positioning plate group is located between the two positioning plates 41 of the other positioning plate group in the radial direction, and the positioning plate group with a proper distance between the two positioning plates 41 can be selected according to the diameter of the workpiece 5. In the circumferential direction, a plurality of positioning plate groups may be arranged in a staggered manner at intervals in the circumferential direction, the widths of the positioning grooves 600 of the positioning plates 41 located in the same circle may be different, and the positioning plate groups that are matched with each other may be selected according to the size of the protruding structure of the workpiece 5, or the widths of the positioning grooves 600 of the positioning plates 41 located in the same circle may be the same, and the positioning plate groups that are matched with each other may be selected according to the distance between the protruding structures of the workpiece 5. Meanwhile, when the workpiece 5 is placed, redundant positioning plate sets can be detached, and interference with the workpiece 5 is avoided.

Furthermore, the positioning assembly 4 further comprises a plurality of positioning rod sets, the positioning rod sets are arranged on the material loading platform 3 at intervals and detachably, each positioning rod set comprises two positioning rods 42 arranged at opposite intervals, the two positioning rods 42 and the two positioning plates 41 enclose a ring, and the workpiece 5 abuts between the two positioning rods 42. Support work piece 5 through the locating lever group, further improve work piece 5's stability, avoid work piece 5 to take place the skew, improve the material loading precision to improve the product yield. And two locating rods 42 and two locating plates 41 enclose into the annular, can improve the atress homogeneity of work piece 5, improve the stability of climbing mechanism 6 jack-up work piece 5 in-process. Illustratively, a plurality of second positioning holes 500 are formed in the material loading platform 3 at intervals along the circumferential direction and/or the radial direction, one positioning rod 42 is inserted into one second positioning hole 500, and the positioning rod 42 is selectively detached according to the specification and the size of the workpiece 5.

As shown in fig. 3, in order to further improve the grabbing precision and the operation reliability of the automatic workpiece feeding device, the automatic workpiece feeding device further includes a limiting member 71, the limiting member 71 is movably disposed on the frame 1 along the radial direction of the rotary table 2, a plurality of stabilizing grooves 700 are disposed at intervals on the outer circumference of the rotary table 2, the plurality of stabilizing grooves 700 are disposed in one-to-one correspondence with the plurality of material loading tables 3, and the limiting member 71 can clamp or loosen the stabilizing grooves 700. When the turntable 2 rotates by a preset angle to deliver the material carrying table 3 carrying the workpiece 5 to the feeding station, the limiting part 71 is close to the turntable 2 along the radial direction and is clamped into the stabilizing groove 700, so that the turntable 2 is stabilized at the preset position, the position accuracy of the material carrying table 3 is ensured, the problem that the workpiece 5 fails to be grabbed or the grabbing precision is low due to inaccurate position is avoided, meanwhile, the limiting part 71 also provides supporting force for the turntable 2, the turntable 2 is prevented from shaking, and the operation reliability of the automatic workpiece feeding device is improved.

Specifically, as shown in fig. 6 and 7, a driving cylinder 74 is disposed on the table 11, and the driving cylinder 74 is connected to the limiting member 71 in a driving manner to drive the limiting member 71 to be locked into or released from the stabilizing slot 700, so as to improve the degree of automation. More specifically, a base 72 is installed at the edge of the table top 11, the base 72 is U-shaped, a driving cylinder 74 is installed on a vertical plate of the base 72, an output end of the driving cylinder 74 is connected with a sliding block 73 in a driving manner, the sliding block 73 is slidably connected between two opposite side walls of the base 72, one end of the sliding block 73 penetrates through a side wall away from the turntable 2 and is connected to the output end, the other end of the sliding block 73 is provided with the above-mentioned limiting member 71 in a protruding manner, and the limiting member 71 penetrates through a side wall of the base 72 close to the turntable 2. The driving cylinder 74 drives the slider 73 to move in a direction away from the turntable 2 so that the stopper 71 is retracted to release the stabilizing groove 700, or drives the slider 73 to move in a direction of the turntable 2 so that the stopper 71 is protruded to be caught in the stabilizing groove 700.

Preferably, an elastic member 75, such as a compression spring, is connected between the slider 73 and a side wall facing away from the turntable 2, and the elastic member 75 provides a buffering effect for the slider 73, so as to prevent the slider 73 from being damaged by long-time collision with the base 72 and prolong the service life of the slider 73.

Further, as shown in fig. 8, the automatic workpiece feeding device further includes a first driving assembly 8, the first driving assembly 8 is disposed on the frame 1 and located below the turntable 2, and the first driving assembly 8 is drivingly connected to the turntable 2 to drive the turntable 2 to rotate. Through 8 drive revolving stage 2 rotations of first drive assembly, guarantee the rotation accuracy, improve degree of automation. Specifically, the first driving assembly 8 includes a first driving member 81, a driving gear 82 and a driven gear 83, the first driving member 81 is disposed on the frame 1 and is drivingly connected to the driving gear 82, the driven gear 83 is engaged with the driving gear 82, and the turntable 2 is drivingly connected to a central shaft of the driven gear 83. The driving gear 82 and the driven gear 83 transmit the power of the first driving member 81 to the turntable 2, so that the rotation stability of the turntable 2 is ensured, the output shaft length of the first driving member 81 is reduced, and the load capacity of the first driving member 81 is improved. The first driving member 81 may be, but is not limited to, a rotary motor, a belt motor, etc.

As shown in fig. 8 and 9, the jacking mechanism 6 includes a fixing plate 62, a guide rod 63, a screw 64 and a sliding block 65, the upper end of the guide rod 63 is connected to the table 11, the lower end of the guide rod 63 is connected to the fixing plate 62, the screw 64 is rotatably connected to the fixing plate 62, the sliding block 65 is slidably sleeved on the guide rod 63 and is threadedly sleeved on the periphery of the screw 64, the push rod 61 is movably sleeved on the periphery of the screw 64 and is fixedly connected to the sliding block 65, and the push rod 61 moves along the height direction along with the sliding block 65 and can pass through the third feeding hole 300. When the screw 64 rotates, the sliding block 65 is driven to move along the length direction of the guide rod 63, that is, along the height direction, so that the ejector rod 61 on the sliding block 65 is driven to move, and the ejector rod 61 is jacked up or lowered down. The jacking mechanism 6 of above-mentioned structure simple structure, the jacking distance that can accurate control jacking mechanism 6 guarantees that work piece 5 can be delivered to and get the material station, and the precision is higher, and the manipulator of being convenient for snatchs.

Preferably, the guide rods 63 are provided in plurality, and the plurality of guide rods 63 are circumferentially spaced and uniformly arranged to ensure the movement stability of the push rod 61. Illustratively, four guide rods 63 are provided, and four guide rods 63 are provided at four corners of the fixing plate 62, respectively.

Specifically, the fixing plate 62 is provided with a second driving member 66, and the second driving member 66 is drivingly connected to the screw 64 for driving the screw 64 to rotate. The second driving member 66 may be, but is not limited to, a rotary motor, a belt motor, etc.

In this embodiment, as shown in fig. 8, the automatic workpiece feeding device further includes a controller, and a first detecting element 91, a second detecting element 92 and a third detecting element 93 electrically connected to the controller, and the first driving element 81 and the second driving element 66 are electrically connected to the controller. The first detecting member 91, the second detecting member 92 and the third detecting member 93 are optional but not limited to presence sensors.

The first detection piece 91 is arranged on the rack 1 in a height direction position-adjustable manner and used for detecting whether the workpiece 5 exists at the material taking station and forming a first detection signal, and the controller can control the start and stop of the second driving piece 66 according to the first detection signal. The height of the first detecting member 91 can be adjusted according to the height of the workpieces 5 stacked on the loading table 3 to meet the requirements of the stacked workpieces 5 of different heights. When the first detection piece 91 detects that no workpiece 5 exists at the material taking station, the first detection signal is positive, the controller controls the second driving piece 66 to start, and the second driving piece 66 drives the ejector rod 61 to ascend so as to lift the workpiece 5 to the material taking station; when the first detection piece 91 detects that the workpiece 5 is arranged at the material taking station, the first detection signal is negative, the controller controls the second driving piece 66 to stop, the ejector rod 61 stops, the manipulator waits for the workpiece 5 at the material taking station to be grabbed, and the work is sequentially carried out, so that the automatic feeding of the workpieces 5 stacked on the material carrying table 3 is realized, the labor cost is saved, and the production efficiency is improved.

The second detection piece 92 and the third detection piece 93 are both arranged on the rack 1 and located on one side of the jacking mechanism 6, a detection head of the second detection piece 92 and a detection head of the third detection piece 93 are respectively aligned with the highest position and the lowest position which can move with the sliding block 65, the second detection piece 92 and the third detection piece 93 can respectively generate a second detection signal and a third detection signal according to whether the sliding block 65 is detected, and the controller controls the start and stop of the second driving piece 66 and the rotation of the rotary table 2 according to the second detection signal.

When the second detection piece 92 detects the slide block 65, the slide block 65 is indicated to have moved to the highest position, that is, the ejector rod 61 has lifted the last workpiece 5 to the material taking station, and when the first detection piece 91 does not detect the workpiece 5, that is, the first detection signal is positive, the workpiece 5 on the carrier is indicated to have been taken out, at this time, the controller controls the second driving piece 66 to rotate reversely according to the first detection signal and the second detection signal, and the second driving piece 66 drives the ejector rod 61 to descend to the initial position; when the third detecting member 93 detects the sliding block 65, it indicates that the sliding block 65 has moved to the initial position, at this time, the controller controls the second driving member 66 to stop according to the third detecting signal, and at the same time, controls the first driving member 81 to start, and the first driving member 81 drives the turntable 2 to rotate by a preset angle, so that the next loading platform 3 is located right below the loading station, and then repeats the above actions to load the workpiece 5 on the loading platform 3.

In this embodiment, the controller may be a centralized controller or a distributed controller, for example, the controller may be a single-chip microcomputer or may be composed of a plurality of distributed single-chip microcomputers, and the single-chip microcomputers may run a control program to control the first driving member 81 and the second driving member 66 to implement their functions.

Under the structure, the automatic workpiece feeding device has higher automation degree, realizes full-automatic feeding of the workpiece 5, and can effectively improve the feeding precision and the production efficiency.

Example two

The embodiment provides an automatic workpiece feeding device, which has substantially the same structure as the first embodiment and is improved on the basis of the first embodiment. Therefore, only the differences between the two embodiments are described, and the same structure as that of the embodiment is not repeated herein.

In this embodiment, as shown in fig. 5, a positioning rod sleeve 20 and a positioning plate limiting piece 30 are disposed at the bottom of the mounting groove 900, and an avoiding groove is disposed at the bottom of the material loading platform 3 for avoiding the positioning rod sleeve 20 and the positioning plate limiting piece 30. Under the structure, when the positioning rod 42 and the positioning plate 41 are installed, the positioning rod 42 passes through the second positioning hole 500 and is inserted into the positioning sleeve, and the positioning plate 41 passes through the first positioning hole 400 and is inserted into the limiting piece 71, so that the stability of the positioning rod 42 and the positioning plate 41 is improved, and the working stability and the reliability of the automatic workpiece feeding device are improved.

Illustratively, the positioning plate limiting member 30 is U-shaped, the positioning plate 41 is inserted into the U-shaped opening of the U-shaped positioning plate 41, and three side surfaces of the positioning plate 41 respectively provide a supporting and limiting effect for three side walls of the limiting groove 600 of the positioning plate 41, so that the possibility of the positioning plate 41 tilting and shaking can be reduced.

EXAMPLE III

Referring to fig. 1 again, in this embodiment, the automatic workpiece feeding device further includes a reminder, the reminder is electrically connected to the controller, at least one fourth detection part 94 is disposed on the table 11, the fourth detection part 94 is adjustable in position along the height direction and electrically connected to the controller, the fourth detection part 94 is used for detecting whether workpieces 5 are on other loading tables 3 that are not located below the feeding station, when the fourth detection part 94 detects that no workpiece 5 is on the loading table 3, a fourth detection signal is sent to the controller, and the controller controls the reminder to send a prompt, for example, the reminder is an alarm or the like, to remind a person to timely replenish the workpiece 5 or close the automatic workpiece feeding device. Through setting up fourth detection piece 94 and prompting device, can avoid the invalid operation of this work piece automatic feeding device, the energy can be saved improves production efficiency.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a work piece automatic feeding device which characterized in that includes:

a frame (1);

the rotary table (2) is rotatably arranged on the rack (1), a plurality of material loading platforms (3) are arranged on the rotary table (2) at intervals along the circumferential direction in a detachable mode, first material loading holes (100) are formed in the material loading platforms (3), a plurality of second material loading holes (200) are formed in the rotary table (2), and the second material loading holes correspond to the first material loading holes (100) one by one;

the positioning assembly (4) is detachably arranged on each material loading platform (3) and is used for fixing one or more stacked workpieces (5);

the jacking mechanism (6) is arranged below the rotary table (2), the jacking mechanism (6) comprises a push rod (61) which is movably arranged in the height direction, and the push rod (61) can penetrate through the second feeding hole (200) and the corresponding first feeding hole (100) and jack up the workpiece (5).

2. The automatic workpiece feeding device according to claim 1, characterized in that said positioning assembly (4) comprises:

locating plate group, including two locating plate (41) that relative interval set up, one locating plate (41) are towards another spacing groove (600) have been seted up on the side of locating plate (41), the length of spacing groove (600) sets up and runs through along direction of height locating plate (41), work piece (5) card is located two between spacing groove (600).

3. The automatic workpiece feeding device according to claim 2, wherein a plurality of positioning plate groups are arranged, the plurality of positioning plate groups are arranged on the material loading table (3) in a spaced and detachable mode, and the groove widths of the limiting grooves (600) on the positioning plates (41) of the plurality of positioning plate groups are the same or different.

4. The automatic workpiece feeding device according to claim 3, wherein a plurality of first positioning holes (400) are formed in the loading platform (3), the plurality of first positioning holes (400) are circumferentially and/or radially arranged at intervals, and each positioning plate (41) is clamped in one first positioning hole (400).

5. The automatic workpiece feeding device according to claim 2, characterized in that said positioning assembly (4) further comprises:

the positioning rod sets are arranged on the material loading platform (3) in a detachable mode at intervals, each positioning rod set comprises two positioning rods (42) which are arranged at intervals oppositely, the two positioning rods (42) and the two positioning plates (41) enclose a ring, and the workpiece (5) abuts between the two positioning rods (42).

6. The automatic workpiece feeding device according to any one of claims 1 to 5, further comprising:

the limiting part (71) is movably arranged on the rack (1) along the radial direction of the rotary table (2), a plurality of stabilizing grooves (700) are arranged at intervals on the periphery of the rotary table (2), the stabilizing grooves (700) are arranged in one-to-one correspondence with the material carrying platforms (3), and the limiting part (71) can be clamped or loosened from the stabilizing grooves (700).

7. The automatic workpiece feeding device according to any one of claims 1 to 5, further comprising:

the first driving assembly (8) is arranged on the rack (1) and located below the rotary table (2), and the first driving assembly (8) is connected to the rotary table (2) in a driving mode to drive the rotary table (2) to rotate.

8. The automatic workpiece feeding device according to claim 7, characterized in that the first driving assembly (8) comprises a first driving member (81), a driving gear (82) and a driven gear (83), the first driving member (81) is arranged on the frame (1) and is connected with the driving gear (82) in a driving manner, the driven gear (83) is meshed with the driving gear (82), and the rotary table (2) is in transmission connection with a central shaft of the driven gear (83).

9. The automatic workpiece feeding device according to any one of claims 1-5, wherein a table top (11) is arranged on the frame (1), the rotary table (2) is rotatably connected to the table top (11), a third feeding hole (300) is formed in the table top (11), and the jacking mechanism (6) comprises a second driving piece (66), a fixed plate (62), a guide rod (63), a screw rod (64) and a sliding block (65);

the upper end of guide arm (63) connect in mesa (11), the lower extreme connect in fixed plate (62), second driving piece (66) are fixed on fixed plate (62) and the drive connect in screw rod (64), be used for the drive screw rod (64) rotate, sliding block (65) sliding sleeve is located guide arm (63) and screw thread cup joint in screw rod (64) periphery, ejector pin (61) movable sleeve is located the periphery and the rigid coupling of screw rod (64) in sliding block (65), ejector pin (61) are followed sliding block (65) are followed along the direction of height removal and can pass third material loading hole (300).

10. The automatic workpiece feeding device according to claim 9, further comprising a controller and a first detection member (91) electrically connected with the controller, wherein a feeding station and a taking station which are opposite to the ejector rod (61) are arranged above the rotary table (2), the first detection member (91) is arranged on the rack (1) and used for detecting whether the workpiece (5) is arranged at the taking station and outputting a first detection signal, and the controller can control the start and stop of the second driving member (66) according to the first detection signal.