Tray conveying mechanism

Abstract

The utility model relates to the technical field of semiconductor processing, in particular to a tray conveying mechanism. The jacking assembly transfers the material tray on the feeding track to the material receiving assembly, the material receiving air cylinder drives the material receiving plate to support and receive the bottom of the material tray, and the material pushing assembly pushes the material tray on the material receiving assembly to the discharging track, so that rapid circulation of the material tray is achieved, lead products are accurately transferred to a preset feeding position, and the production efficiency is improved. The structure is simple, and circulation reliability is high; and the positioning assembly is used for positioning the position of the charging tray so as to feed the charging tray, the position of the charging tray is quickly positioned, and the feeding position precision of the lead workpieces is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of semiconductor processing, and relates to a material tray conveying mechanism. Background Art

[0002] For some semiconductor products with leads, such as sensors, the leads need to be cut to a preset length during the production process to ensure that they are qualified before leaving the factory. The transportation of lead products generally requires placing a certain number of lead products in a material box, and then transferring the material box carrying the lead products to the next process. Loading generally requires workers to manually go deep into the material box where the lead products are placed, which is inconvenient to operate and labor-intensive. At the same time, the existing material box transmission equipment not only takes up a large space, but the overly long transmission line can also easily cause the material box to shake, affecting product quality, so it needs to be improved. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a tray conveying mechanism which can realize the rapid circulation of trays, accurately transfer lead products to a preset loading position, has a simple structure and high loading position accuracy of lead workpieces.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model to solve its technical problems is:

[0005] A tray conveying mechanism, comprising:

[0006] A feeding assembly, comprising a feeding track and a feeding track, wherein the feeding track is arranged below the feeding track, and the feeding track and the feeding track are arranged in parallel;

[0007] A lifting assembly is arranged between the loading track and the unloading track, and the lifting assembly is used to transfer the material tray on the loading track to the unloading track;

[0008] A material receiving assembly is arranged opposite to the material unloading track, and is used for receiving the material tray transferred by the positioning assembly;

[0009] A material pushing assembly is arranged opposite to the material receiving assembly, and is used to push the material tray on the material receiving assembly to the material unloading track;

[0010] A positioning assembly is arranged on the unloading track, and is used to position the tray for loading the tray;

[0011] Among them, the material receiving assembly includes two material receiving racks, which are respectively arranged on both sides of the material tray. A material receiving cylinder is arranged on the material receiving rack, and the material receiving cylinder is drivingly connected to the material receiving plate. The material receiving cylinder is used to drive the material receiving plate to support the bottom of the material tray.

[0012] In one embodiment of the utility model, the pushing assembly includes a pushing rack, a rodless cylinder is provided on the pushing rack, a pushing bracket is provided on the slider of the rodless cylinder, a pushing plate is provided on the pushing bracket, the pushing plate is arranged opposite to the material receiving assembly, and the rodless cylinder drives the pushing plate to push the material tray on the material receiving assembly to the unloading track.

[0013] In one embodiment of the utility model, the jacking assembly is arranged directly below the feeding track, and the jacking assembly includes a jacking cylinder, and the jacking cylinder is drivingly connected to the jacking plate, and the jacking cylinder drives the jacking plate to lift the material tray on the feeding track and feed the material to the material receiving assembly.

[0014] In one embodiment of the utility model, a plurality of limit blocks are arranged on the material receiving plate, and a position sensor is arranged on the limit blocks. The lifting cylinder drives the limit blocks on the material receiving plate to extend out of the loading track to receive the material on the material tray.

[0015] In one embodiment of the utility model, a limit pin is provided on the material receiving plate, a limit groove matching the limit pin is provided on the edge of the material tray, a mounting hole is provided on the material receiving plate, and a vacuum suction cup is provided on the mounting hole.

[0016] In one embodiment of the utility model, the loading track and the unloading track have the same structure, and the unloading track includes a track frame, and side roller conveyor lines are symmetrically arranged on both sides of the track frame. The roller conveyor lines on both sides are synchronously driven and connected by a unloading motor, and guide plates are arranged on the side roller conveyor lines, and guide inclined surfaces are arranged on the guide plates, and guide rollers are arranged on the guide inclined surfaces.

[0017] In one embodiment of the utility model, the material tray includes a base plate, a first positioning plate and a second positioning plate, and the base plate, the first positioning plate and the second positioning plate are arranged in parallel from bottom to top, and the base plate and the first positioning plate, and the first positioning plate and the second positioning plate are connected by a plurality of connecting columns, and the first positioning plate and the second positioning plate are both provided with loading holes matching the shape of the workpiece, and the loading holes on the first positioning plate and the second positioning plate are arranged one by one.

[0018] In one embodiment of the utility model, the positioning assembly includes two positioning frames, which are respectively arranged on both sides of the unloading track. A positioning cylinder is arranged on the positioning frame, and the positioning cylinder is drivingly connected to the positioning plate. A plurality of positioning columns are arranged on the positioning plate, and the positioning cylinder drives the positioning columns to clamp and position the two sides of the material tray.

[0019] In one embodiment of the utility model, it also includes a material blocking component, which is arranged on the material discharge track. The material blocking component includes a material blocking cylinder, which is drivingly connected to a material blocking rod. The material blocking rod is driven by the material blocking cylinder to penetrate the material discharge track to perform a material blocking operation on the material tray on the material discharge track.

[0020] In one embodiment of the utility model, a support groove matching the material tray is provided on the material receiving plate, a guide surface is provided at the edge of the support groove, a detection hole is provided on the material receiving plate, and a detection sensor for detecting the position of the material tray is provided on the detection hole.

[0021] Beneficial effects of the utility model:

[0022] The jacking assembly of the utility model transfers the material tray on the loading track to the receiving assembly, the receiving cylinder drives the receiving plate to support the bottom of the material tray to receive the material, and the pushing assembly then pushes the material tray on the receiving assembly to the unloading track, thereby realizing the rapid flow of the material tray and accurately transferring the lead product to the preset loading position. The structure is simple and the flow reliability is high; the positioning assembly positions the material tray for loading the material tray, and quickly positions the position of the material tray, effectively ensuring the loading position accuracy of the lead workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of a material tray conveying mechanism of the utility model.

[0024] Figure 2 It is a three-dimensional schematic diagram of the utility model.

[0025] Figure 3 It is a schematic diagram of a jacking assembly of the utility model.

[0026] Explanation of the numbers in the figure: 1. Loading track; 2. Unloading track; 21. Side roller conveyor line; 22. Unloading motor; 23. Guide plate; 24. Guide roller; 3. Material tray; 31. Bottom plate; 32. Limiting groove; 33. Second positioning plate; 34. Loading hole; 35. Connecting column; 4. Pushing assembly; 41. Rodless cylinder; 42. Pushing bracket; 43. Pushing plate; 5. Positioning assembly; 51. Positioning cylinder; 52. Positioning plate; 53. Positioning column; 6. Stopping cylinder; 61. Stopping rod; 7. Lifting assembly; 71. Lifting cylinder; 72. Lifting plate; 73. Limiting pin; 74. Vacuum suction cup; 75. Limiting block; 76. Position sensor; 8. Receiving cylinder; 81. Receiving plate; 82. Supporting groove; 83. Detection sensor. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0028] Reference Figure 1-3 As shown, a tray conveying mechanism comprises:

[0029] A feeding assembly, comprising a feeding track 1 and a feeding track 2, wherein the feeding track 1 is arranged below the feeding track 2, and the feeding track 1 and the feeding track 2 are arranged in parallel;

[0030] A lifting assembly 7 is disposed between the loading track 1 and the unloading track 2, and the lifting assembly 7 is used to transfer the material tray 3 on the loading track 1 to the unloading track 2;

[0031] A material receiving assembly is arranged opposite to the material unloading track 2, and is used for receiving the material tray 3 transferred by the positioning assembly 5;

[0032] A material pushing assembly 4 is arranged opposite to the material receiving assembly, and is used to push the material tray 3 on the material receiving assembly to the material unloading track 2;

[0033] A positioning assembly 5 is arranged on the unloading track 2, and is used to position the material tray 3 so as to load the material tray 3;

[0034] Among them, the material receiving assembly includes two material receiving racks, which are respectively arranged on both sides of the material tray 3. A material receiving cylinder 8 is arranged on the material receiving rack, and the material receiving cylinder 8 is drivingly connected to the material receiving plate 81. The material receiving cylinder 8 is used to drive the material receiving plate 81 to support the bottom of the material tray 3.

[0035] The lifting component 7 of the utility model transfers the material tray 3 on the loading track 1 to the receiving component, and the receiving cylinder 8 drives the receiving plate 81 to support the bottom of the material tray 3 to receive the material, and the pushing component 4 then pushes the material tray 3 on the receiving component to the unloading track 2, so as to realize the rapid circulation of the material tray 3 and accurately transfer the lead product to the preset loading position. The structure is simple and the circulation reliability is high; the positioning component 5 positions the material tray 3 for loading the material tray 3, and quickly positions the position of the material tray 3, effectively ensuring the loading position accuracy of the lead workpiece.

[0036] In one embodiment of the utility model, the pushing assembly 4 includes a pushing rack, a rodless cylinder 41 is provided on the pushing rack, a pushing bracket 42 is provided on the slider of the rodless cylinder 41, a pushing plate 43 is provided on the pushing bracket 42, and the pushing plate 43 is arranged opposite to the material receiving assembly. The rodless cylinder 41 drives the pushing plate 43 to push the material tray 3 on the material receiving assembly to the unloading track 2.

[0037] Specifically, the rodless cylinder 41 drives the pushing plate 43 to push the material tray 3 on the two receiving plates 81 along the guide slope to the roller conveyor lines 21 on both sides of the unloading track 2, so that the material tray 3 can be unloaded quickly. It occupies a small space, has a fast running speed, and can ensure the processing rhythm.

[0038] In one embodiment of the utility model, the lifting assembly 7 is arranged directly below the feeding track 1, and the lifting assembly 7 includes a lifting cylinder 71, and the lifting cylinder 71 is drivingly connected to the lifting plate 72. The lifting cylinder 71 drives the lifting plate 72 to lift the material tray 3 on the feeding track 1 and feed the material to the material receiving assembly.

[0039] In one embodiment of the utility model, a plurality of limit blocks 75 are provided on the receiving plate 81, and a position sensor 76 is provided on the limit block 75. The lifting cylinder 71 drives the limit block 75 on the receiving plate 81 to extend out of the loading track 1 to receive the material from the material tray 3.

[0040] Specifically, the unloading motor 22 of the loading track 1 drives the side roller conveyor line 21 to transfer the material tray 3 to the jacking assembly 7, and the jacking cylinder 71 drives the limit block 75 on the receiving plate 81 to extend out of the loading track 1 to receive the material tray 3, so that the material tray 3 stops moving, which is convenient for subsequent jacking operations on the material tray 3 and ensures the accuracy of the jacking.

[0041] In one embodiment of the utility model, a limit pin 73 is provided on the receiving plate 81, a limit groove 32 matching the limit pin 73 is provided on the edge of the material tray 3, a mounting hole is provided on the receiving plate 81, and a vacuum suction cup 74 is provided on the mounting hole.

[0042] Specifically, the unloading motor 22 of the loading track 1 drives the side roller conveyor line 21 so that the limit groove 32 on the material tray 3 is stuck on the limit pin 73, which can ensure the position accuracy of the material tray 3 on the receiving plate 81. After the lifting cylinder 71 drives the receiving plate 81 to lift the material tray 3, the vacuum suction cup 74 is connected to the vacuum issuing device to generate negative pressure to adsorb the bottom plate 31 on the receiving plate 81, thereby ensuring the stability of the movement of the material tray 3 and ensuring the rapid flow of subsequent material trays 3.

[0043] In one embodiment of the utility model, the loading track 1 and the unloading track 2 have the same structure, and the unloading track 2 includes a track frame, and side roller conveyor lines 21 are symmetrically arranged on both sides of the track frame. The roller conveyor lines 21 on both sides are synchronously driven and connected by a unloading motor 22, and a guide plate 23 is arranged on the side roller conveyor line 21, and a guide inclined plane is arranged on the guide plate 23, and a guide roller 24 is arranged on the guide inclined plane.

[0044] Specifically, the support plane height of the support groove 82 is slightly higher than the lowest point of the guide slope set on the guide plate 23. The rodless cylinder 41 drives the pushing plate 43 to push the material trays 3 on the two receiving plates 81 along the guide slope to the roller conveyor lines 21 on both sides of the unloading track 2. The guide slope can guide the material tray 3 so that the material tray 3 can be accurately dropped and transported on the roller conveyor lines 21 on both sides, thereby ensuring the transmission efficiency of the material tray 3.

[0045] In one embodiment of the utility model, the material tray 3 includes a bottom plate 31, a first positioning plate and a second positioning plate 33. The bottom plate 31, the first positioning plate and the second positioning plate 33 are arranged in parallel from bottom to top. The bottom plate 31 and the first positioning plate, and the first positioning plate and the second positioning plate 33 are connected by a plurality of connecting columns 35. The first positioning plate and the second positioning plate 33 are both provided with loading holes 34 matching the shape of the workpiece, and the loading holes 34 on the first positioning plate and the second positioning plate 33 are arranged one by one.

[0046] Specifically, the lead workpiece is inserted into the loading hole 34 and carried on the bottom plate 31. The upper side of the lead workpiece is positioned by the second positioning plate 33, and the lower side is positioned by the first positioning plate. By adopting the material tray 3 of the above structure, it is convenient for the unloading robot or manual handling, and the lead workpiece accommodated in the material tray 3 has high positioning accuracy and is more stable after being accommodated.

[0047] In one embodiment of the utility model, the positioning assembly 5 includes two positioning frames, which are respectively arranged on both sides of the unloading track 2. A positioning cylinder 51 is arranged on the positioning frame, and the positioning cylinder 51 is drivingly connected to the positioning plate 52. A plurality of positioning columns 53 are arranged on the positioning plate 52. The positioning cylinder 51 drives the positioning columns 53 to clamp and position the two sides of the material tray 3.

[0048] Specifically, the positioning cylinder 51 drives the positioning column 53 to clamp and position the two sides of the tray 3, which can effectively realize the automation of positioning and loading, ensure the stability of loading the lead workpiece on the tray 3, improve the efficiency of the transmission of the tray 3, and reduce the labor intensity of workers.

[0049] In one embodiment of the utility model, it also includes a material blocking component, which is arranged on the unloading track 2. The material blocking component includes a material blocking cylinder 6, and the material blocking cylinder 6 is drivingly connected to a material blocking rod 61. The material blocking rod 61 is driven by the material blocking cylinder 6 to penetrate the unloading track 2 to perform a material blocking operation on the material tray 3 on the unloading track 2.

[0050] Specifically, the material blocking cylinder 6 drives the material blocking rod 61 to pass through the material unloading track 2 to block the material tray 3 on the material unloading track 2, so that the material tray 3 stops moving, which is convenient for the positioning component to position the material tray 3. At the same time, the material blocking can also cache the material tray 3 to a certain extent, avoiding damage caused by collision between the material trays 3, thereby ensuring the normal transmission of the track.

[0051] In one embodiment of the utility model, a support groove 82 matching the material tray 3 is provided on the material receiving plate 81, a guide surface is provided on the edge of the support groove 82, a detection hole is provided on the material receiving plate 81, and a detection sensor 83 for detecting the position of the material tray 3 is provided on the detection hole.

[0052] Specifically, the material receiving cylinder 8 drives the material receiving plate 81 to support the bottom of the material tray 3. The edge of the support groove 82 is provided with a guide surface, so that the bottom plate 31 slides along the guide surface to the support groove 82, which is convenient for supporting and guiding the bottom plate 31 of the material tray 3. The detection sensor 83 detects the position of the material tray 3, so that the two material receiving plates 81 support the bottom of the material tray 3. The support plane height of the support groove 82 is slightly higher than the lowest point of the guide slope set on the guide plate 23, which is convenient for pushing the material tray 3 on the material receiving plate 81 to unload the material and ensure the stability of the discharge.

[0053] Usage Process

[0054] Place the workpieces loaded with lead wires one by one on the loading holes 34 on the first positioning plate and the second positioning plate 33, and place the tray 3 loaded with lead wire workpieces on the loading track 1, the unloading motor 22 of the loading track 1 drives the side roller conveyor line 21 to transfer the tray 3 to the jacking assembly 7, and the jacking cylinder 71 drives the limit block 75 on the receiving plate 81 to extend out of the loading track 1 to receive the material tray 3, and the unloading motor 22 of the loading track 1 drives the side roller conveyor line 21 so that the limit groove 32 on the tray 3 is stuck on the limit pin 73. At the same time, the position sensor 76 detects the position of the tray 3, and the jacking cylinder 71 drives the jacking plate 72 to lift the tray 3 on the loading track 1 and feed it to the receiving assembly. The receiving cylinder 8 drives the receiving plate 81 to support the bottom of the tray 3, and the edge of the support groove 82 is provided with a guide surface for convenience. The support and guidance of the bottom plate 31 of the material tray 3, the detection sensor 83 detects the position of the material tray 3, so that the two material receiving plates 81 support the bottom of the material tray 3, and the support plane height of the support groove 82 is slightly higher than the lowest point of the guide slope set on the guide plate 23. The rodless cylinder 41 drives the pushing plate 43 to push the material tray 3 on the two material receiving plates 81 along the guide slope to the roller conveyor lines 21 on both sides of the unloading track 2. The roller conveyor lines 21 on both sides are synchronously driven by the unloading motor 22 to transfer the material tray 3 to the positioning component 5, and the blocking cylinder 6 drives the blocking rod 61 to pass through the unloading track 2 to block the material tray 3 on the unloading track 2. After that, the positioning cylinder 51 drives the positioning column 53 to clamp and position the two sides of the material tray 3, thereby ensuring the stability of the lead workpiece loading on the material tray 3 and improving the efficiency of the transmission of the material tray 3.

[0055] The above-described embodiments are only preferred embodiments for fully illustrating the present utility model, and the protection scope of the present utility model is not limited thereto. Equivalent substitutions or changes made by technicians in the technical field on the basis of the present utility model are all within the protection scope of the present utility model. The protection scope of the present utility model shall be subject to the claims.

Claims

1. A tray conveying mechanism, characterized in that: include: A feeding assembly, comprising a feeding track and a feeding track, wherein the feeding track is arranged below the feeding track, and the feeding track and the feeding track are arranged in parallel; A lifting assembly is arranged between the loading track and the unloading track, and the lifting assembly is used to transfer the material tray on the loading track to the unloading track; A material receiving assembly is arranged opposite to the material unloading track, and is used for receiving the material tray transferred by the positioning assembly; A material pushing assembly is arranged opposite to the material receiving assembly, and is used to push the material tray on the material receiving assembly to the material unloading track; A positioning assembly is arranged on the unloading track, and is used to position the tray for loading the tray; Among them, the material receiving assembly includes two material receiving racks, which are respectively arranged on both sides of the material tray. A material receiving cylinder is arranged on the material receiving rack, and the material receiving cylinder is drivingly connected to the material receiving plate. The material receiving cylinder is used to drive the material receiving plate to support the bottom of the material tray.

2. The tray conveying mechanism according to claim 1, characterized in that: The pushing assembly includes a pushing rack, a rodless cylinder is arranged on the pushing rack, a pushing bracket is arranged on the slider of the rodless cylinder, a pushing plate is arranged on the pushing bracket, the pushing plate is arranged opposite to the material receiving assembly, and the rodless cylinder drives the pushing plate to push the material tray on the material receiving assembly to the unloading track.

3. The tray conveying mechanism according to claim 1, characterized in that: The jacking assembly is arranged directly below the feeding track, and the jacking assembly includes a jacking cylinder, which is drivingly connected to a jacking plate. The jacking cylinder drives the jacking plate to lift the material tray on the feeding track and feed the material to the material receiving assembly.

4. The tray conveying mechanism according to claim 3, characterized in that: A plurality of limit blocks are arranged on the material receiving plate, and position sensors are arranged on the limit blocks. The lifting cylinder drives the limit blocks on the material receiving plate to extend out of the loading track to receive the material from the material tray.

5. The tray conveying mechanism according to claim 3, characterized in that: The receiving plate is provided with a limit pin, the edge of the material tray is provided with a limit groove matching the limit pin, the receiving plate is provided with a mounting hole, and the mounting hole is provided with a vacuum suction cup.

6. The tray conveying mechanism according to claim 1, characterized in that: The loading track and the unloading track have the same structure. The unloading track includes a track frame. Side roller conveyor lines are symmetrically arranged on both sides of the track frame. The roller conveyor lines on both sides are synchronously driven and connected by the unloading motor. Guide plates are arranged on the side roller conveyor lines. Guide plates are arranged on the guide plates. Guide slopes are arranged on the guide slopes. Guide rollers are arranged on the guide slopes.

7. The tray conveying mechanism according to claim 1, characterized in that: The material tray includes a base plate, a first positioning plate and a second positioning plate, which are arranged in parallel from bottom to top. The base plate and the first positioning plate, and the first positioning plate and the second positioning plate are connected by multiple connecting columns. The first positioning plate and the second positioning plate are both provided with loading holes matching the shape of the workpiece, and the loading holes on the first positioning plate and the second positioning plate are arranged one by one.

8. The tray conveying mechanism according to claim 1, characterized in that: The positioning assembly includes two positioning frames, which are respectively arranged on both sides of the unloading track. A positioning cylinder is arranged on the positioning frame, and the positioning cylinder is drivingly connected to the positioning plate. A plurality of positioning columns are arranged on the positioning plate. The positioning cylinder drives the positioning columns to clamp and position the two sides of the material tray.

9. The tray conveying mechanism according to claim 1, characterized in that: It also includes a material blocking component, which is arranged on the material unloading track. The material blocking component includes a material blocking cylinder, which is drivingly connected to a material blocking rod. The material blocking rod is driven by the material blocking cylinder to penetrate the material unloading track to perform a material blocking operation on the material tray on the material unloading track.

10. The tray conveying mechanism according to claim 1, characterized in that: The receiving plate is provided with a supporting groove matching the material tray, the edge of the supporting groove is provided with a guide surface, the receiving plate is provided with a detection hole, and the detection hole is provided with a detection sensor for detecting the position of the material tray.

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