Workpiece loading device

Abstract

This application relates to the field of glass substrate processing, and particularly to a workpiece loading device. The workpiece loading device includes an adsorption loading component, and the adsorption loading component includes a six-axis robotic arm and an adsorption plate. The adsorption plate is fixedly assembled on the six-axis robotic arm to facilitate the six-axis robotic arm to drive the adsorption plate to move freely in all directions. The adsorption plate includes a main body portion and fork arms, and adsorption ports are provided on both the main body portion and the fork arms. The adsorption plate adsorbs and fixes the workpiece from the adsorption ports through an externally connected air pump. In the workpiece loading device provided in this application, the six-axis robotic arm drives the adsorption plate to move freely in all directions, and then the workpiece is adsorbed and fixed through the adsorption ports on the adsorption plate, solving the problem that the traditional loading device using the clamping loading method may damage some fragile workpieces.

Description

Technical Field

[0001] This application relates to the field of glass substrate processing, and particularly to a workpiece loading device. Background Art

[0002] In manufacturing, workpiece loading is a common step in the factory production process. The loading of workpieces is generally carried out manually or by machine. Due to the low efficiency of manual loading, it has gradually been replaced by machine operation. Currently, the common method of machine loading is to pick up and load with a robotic arm. Although this method of picking up and loading is widely used, it will cause damage to some fragile workpieces. Summary of the Invention

[0003] This application provides a workpiece loading device to solve the problem that the traditional loading device using the picking-up and loading method will cause damage to some fragile workpieces.

[0004] To solve the above technical problems, one technical solution adopted by this application is: to provide a workpiece loading device, which includes:

[0005] An adsorption loading component, including a six-axis robotic arm and an adsorption plate. The adsorption plate is fixedly assembled on the six-axis robotic arm to facilitate the six-axis robotic arm to drive the adsorption plate to move freely in all directions. The adsorption plate includes a main body part and fork arms. Adsorption ports are provided on both the main body part and the fork arms. The adsorption plate adsorbs and fixes the workpiece from the adsorption ports through an external air pump.

[0006] A base, on which a placement component is provided. The placement component includes a first fixing plate, a second fixing plate, a third fixing plate, fixing blocks and a fixing shaft. The first fixing plate is fixedly assembled with the base. The second fixing plate is provided on the side of the first fixing plate away from the base. The second fixing plate is arranged horizontally. Two third fixing plates symmetric about the second fixing plate are provided on both sides of the second fixing plate. The third fixing plates are arranged vertically and are perpendicular to the second fixing plate. The second fixing plate is fixedly assembled with the third fixing plates. A fixing shaft is provided between the two third fixing plates. The two ends of the fixing shaft are fixedly assembled with the two third fixing plates. A fixing block is provided at each end of the fixing shaft. The fixing blocks are fixedly assembled with the first fixing plate. The fixing shaft passes through the fixing blocks and is rotatably assembled with the fixing blocks.

[0007] Optionally, the adsorption plate is provided with a first air extraction hole and a second air extraction hole. Both the first air extraction hole and the second air extraction hole are externally connected to an air pump, and both the first air extraction hole and the second air extraction hole are located on the same surface of the adsorption plate.

[0008] Optionally, a first mounting groove, a second mounting groove, a third mounting groove, a fourth mounting groove and a fifth mounting groove are provided on a surface of the adsorption plate away from the first air extraction hole.

[0009] Optionally, a first air extraction channel is provided in the first mounting groove, a second air extraction channel is provided in the second mounting groove, a third air extraction channel is provided in the third mounting groove, a fourth air extraction channel is provided in the fourth mounting groove, and a fifth air extraction channel is provided in the fifth mounting groove. The first air extraction channel is communicated with the first air extraction hole, and the second air extraction channel is communicated with the second air extraction hole.

[0010] Optionally, the adsorption ports include a first adsorption port, a second adsorption port, a third adsorption port, a fourth adsorption port and a fifth adsorption port. The first adsorption port is provided on the main body portion, and the second adsorption port, the third adsorption port, the fourth adsorption port and the fifth adsorption port are all provided on the fork arm.

[0011] Optionally, one end of the first air extraction channel away from the first air extraction hole is communicated with the first adsorption port.

[0012] Optionally, both the second adsorption port and the third adsorption port are communicated with the fourth air extraction channel, and both the fourth adsorption port and the fifth adsorption port are communicated with the fifth air extraction channel.

[0013] Optionally, the third air extraction channel is provided at one end of the second air extraction channel away from the second air extraction hole and the third air extraction channel is perpendicular to the second air extraction channel. The adsorption plate further includes a first connection channel, and the first connection channel connects the third air extraction channel and the second air extraction channel.

[0014] Optionally, a second connection channel and a third connection channel are respectively provided at both ends of the third air extraction channel, and both the second connection channel and the third connection channel are communicated with the third air extraction channel.

[0015] Optionally, the second connection channel connects the third air extraction channel and the fourth air extraction channel, and the third connection channel connects the third air extraction channel and the fifth air extraction channel.

[0016] The beneficial effect of the present application is that in the workpiece loading device provided by the present application, the adsorption plate is driven by a six-axis robotic arm to move freely in all directions, and then the workpiece is adsorbed and fixed through the adsorption ports on the adsorption plate, solving the problem that the traditional loading device using the clamping loading method will damage some fragile workpieces. Description of the Drawings

[0017] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:

[0018] Figure 1 is a schematic perspective view of the workpiece loading device provided by the embodiment of the present application;

[0019] Figure 2 is a schematic perspective view of the base, storage component and adsorption loading component parts in the workpiece loading device;

[0020] Figure 3 is a schematic perspective view of the storage component part in the workpiece loading device;

[0021] Figure 4 is a schematic perspective view of the adsorption plate part in the workpiece loading device;

[0022] Figure 5 is a schematic perspective view of another perspective of the adsorption plate part in the workpiece loading device;

[0023] Figure 6 is a perspective view of the adsorption plate part in the workpiece loading device.

[0024] Explanation of reference numerals: 100, six-axis robotic arm; 200, adsorption plate; 210, main body part; 211, first air extraction hole; 212, second air extraction hole; 213, first installation groove; 214, first air extraction channel; 215, second installation groove; 216, second air extraction channel; 217, first adsorption port; 218, first connection channel; 219, third installation groove; 220, third air extraction channel; 221, second connection channel; 222, third connection channel; 230, fork arm; 231, fourth installation groove; 232, fourth air extraction channel; 233, fifth installation groove; 234, fifth air extraction channel; 235, second adsorption port; 236, third adsorption port; 237, fourth adsorption port; 238, fifth adsorption port; 300, base; 400, placement component; 410, first fixing plate; 420, second fixing plate; 430, third fixing plate; 440, fixing block; 450, housing; 460, telescopic rod; 470, fixed shaft; 500, clean booth. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0026] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present application, then the directional indications are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture (as shown in the accompanying drawings). If this specific posture changes, the directional indications will also change accordingly.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, then the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0028] As Figures 1 to 6 shown, the present application provides a workpiece loading device. The workpiece loading device includes an adsorption loading assembly. The adsorption loading assembly includes a six-axis robotic arm 100 and an adsorption plate 200. The adsorption plate 200 is fixedly assembled on the six-axis robotic arm 100 so that the six-axis robotic arm 100 can drive the adsorption plate 200 to move freely in various directions. The adsorption plate 200 includes a main body portion 210 and fork arms 230. Adsorption ports are provided on both the main body portion 210 and the fork arms 230. The adsorption plate 200 adsorbs and fixes the workpiece from the adsorption ports through an external air pump.

[0029] The workpiece loading device further includes a base 300. The base 300 is irregularly shaped. The base 300 is fixedly assembled on the ground. The six-axis robotic arm 100 is fixedly assembled on the base 300 so that the six-axis robotic arm 100 is separated from the ground. A placement assembly 400 is further provided on the base 300. The six-axis robotic arm 100 can adsorb and transport the workpiece placed in the placement assembly 400 to a designated position. There are four groups of placement assemblies 400. The four groups of placement assemblies 400 are all fixedly assembled with the base 300 and the four groups of placement assemblies 400 are arranged in a C shape around the six-axis robotic arm 100 so that the six-axis robotic arm 100 can efficiently adsorb and transport the workpiece placed in the placement assembly 400.

[0030] The storage component 400 includes a first fixing plate 410, a second fixing plate 420, a third fixing plate 430, a fixing block 440, a housing 450, a telescopic rod 460, and a fixing shaft 470.

[0031] The first fixing plate 410 is rectangular, the first fixing plate 410 is vertically arranged and fixedly assembled with the base 300. On the side of the first fixing plate 410 away from the base 300, there is a second fixing plate 420. The second fixing plate 420 is rectangular and horizontally arranged. On both sides of the second fixing plate 420, there are two third fixing plates 430 that are symmetric about the second fixing plate 420. The third fixing plate 430 is irregularly shaped, the third fixing plate 430 is vertically arranged and perpendicular to the second fixing plate 420. The second fixing plate 420 and the third fixing plate 430 are fixedly assembled. Between the two third fixing plates 430, there is a fixing shaft 470. The fixing shaft 470 is cylindrical and horizontally arranged. The two ends of the fixing shaft 470 are fixedly assembled with the two third fixing plates 430. At positions near the two third fixing plates 430 at both ends of the fixing shaft 470, there is respectively a fixing block 440. The fixing block 440 is fixedly assembled with the first fixing plate 410. The fixing shaft 470 passes through the two fixing blocks 440, and the fixing shaft 470 is rotatably assembled with the two fixing blocks 440 to facilitate determining the position of the fixing shaft 470.

[0032] On the side of the first fixing plate 410 away from the six-axis robotic arm 100, there is also a telescopic rod 460. The telescopic rod 460 is inclined. One end of the telescopic rod 460 is fixedly assembled with the side of the first fixing plate 410 close to the base 300, and the other end is fixedly assembled with the side of the second fixing plate 420 close to the base 300. Driven by the telescopic rod 460, the second fixing plate 420 can rotate around the fixing shaft 470.

[0033] On the side of the second fixing plate 420 away from the base 300, the second fixing plate 420 and the third fixing plate 430 enclose a storage space. The volume of the housing 450 matches the storage space. The housing 450 is arranged in the above storage space. The housing 450 is fixedly assembled with the second fixing plate 420. The housing 450 is a container with one side open. The housing 450 is used to place the workpieces to be loaded. The housing 450 can rotate around the fixing shaft 470 with the first fixing plate 410 under the drive of the telescopic rod 460 to facilitate manual placement of the workpieces into the housing 450.

[0034] An adsorption plate 200 is provided at the output end of the six-axis robotic arm 100. The adsorption plate 200 is fixedly assembled with the six-axis robotic arm 100. The adsorption plate 200 is divided into a main body portion 210 and fork arms 230. The main body portion 210 and the fork arms 230 are integrally formed. The main body portion 210 is irregular in shape, and the fork arms 230 are two long strip-shaped rectangles. The two fork arms 230 are symmetric about the main body portion 210.

[0035] At one end of the main body portion 210 close to the six-axis robotic arm 100, a first air extraction hole 211 and a second air extraction hole 212 are provided. Both the first air extraction hole 211 and the second air extraction hole 212 are circular. Both the first air extraction hole 211 and the second air extraction hole 212 are drilled from the surface of the main body portion 210 in a direction perpendicular to the surface of the main body portion 210, so that the first air extraction hole 211 and the second air extraction hole 212 have a certain depth but do not penetrate the main body portion 210. Both the first air extraction hole 211 and the second air extraction hole 212 are externally connected to an air pump, and the externally connected air pump extracts air from the first air extraction hole 211 and the second air extraction hole 212.

[0036] On one side of the main body portion 210 away from the first air extraction hole 211, a first installation groove 213 is provided. The position of the first installation groove 213 corresponds to the position of the first air extraction hole 211. The first installation groove 213 is long rectangular in shape and has a certain depth but does not penetrate the main body portion 210. A first air extraction channel 214 is provided in the middle of the first installation groove 213. The position of the first air extraction channel 214 corresponds to the position of the first air extraction hole 211. The first air extraction channel 214 is linear and is in the same direction as the first installation groove 213. At the position where the first air extraction channel 214 corresponds to the first air extraction hole 211, the first air extraction channel 214 is communicated with the first air extraction hole 211. In a specific embodiment, a tape is manually pasted in the first installation groove 213, and the tape completely covers the first air extraction channel 214 to seal the first air extraction channel 214, so that the externally connected air pump can extract the air in the first air extraction channel 214.

[0037] On one side of the main body 210 away from the second air extraction hole 212, there is a second installation groove 215. The position of the second installation groove 215 corresponds to the position of the second air extraction hole 212. The second installation groove 215 is in the shape of a long rectangle. The length of the second installation groove 215 is greater than the length of the first installation groove 213. The second installation groove 215 has a certain depth but does not penetrate the main body 210. In the middle of the second installation groove 215, there is a second air extraction channel 216. The position of the second air extraction channel 216 corresponds to the position of the second air extraction hole 212. The second air extraction channel 216 is linear, and the second air extraction channel 216 is in the same direction as the second installation groove 215. At the position where the second air extraction channel 216 corresponds to the second air extraction hole 212, the second air extraction channel 216 is connected to the second air extraction hole 212. In a specific embodiment, a tape is manually pasted in the second installation groove 215, and the tape completely covers the second air extraction channel 216 to seal the second air extraction channel 216, so that an external air pump can extract the air in the second air extraction channel 216.

[0038] The adsorption ports include a first adsorption port 217, a second adsorption port 235, a third adsorption port 236, a fourth adsorption port 237, and a fifth adsorption port 238. The first adsorption port 217 is provided on the main body 210. The first adsorption port 217 and the first air extraction hole 211 are on the same surface of the main body 210. The first adsorption port 217 is linear. The first adsorption port 217 is perpendicular to the first air extraction channel 214. The first adsorption port 217 and the first installation groove 213 are on different sides of the main body 210. The first adsorption port 217 is located at the end of the first air extraction channel 214 away from the first air extraction hole 211. The first air extraction channel 214 is connected to the first adsorption port 217. During the actual working process, an external air pump can adsorb and fix the workpiece at the first adsorption port 217 through the first air extraction channel 214.

[0039] At one end of the second air extraction channel 216 away from the second air extraction hole 212, there is a first connection channel 218. The first connection channel 218 is cylindrical. The first connection channel 218 is in the same direction as the second air extraction channel 216. One end of the first connection channel 218 close to the second air extraction channel 216 is connected to the second air extraction channel 216.

[0040] A third mounting groove 219 is further provided on the main body portion 210. The third mounting groove 219 and the first mounting groove 213 are located on the same surface of the main body portion 210. The third mounting groove 219 is in a long rectangular shape. The third mounting groove 219 is provided at one end of the second mounting groove 215 away from the second air extraction hole 212. The third mounting groove 219 is perpendicular to the second mounting groove 215. The third mounting groove 219 has a certain depth but does not penetrate through the main body portion 210. A third air extraction channel 220 is provided at the central position of the third mounting groove 219. The third air extraction channel 220 is in a straight line shape. The third air extraction channel 220 is in the same direction as the third mounting groove 219. The first connection channel 218 is perpendicular to the third air extraction channel 220. One end of the first connection channel 218 away from the second air extraction channel 216 is communicated with the third air extraction channel 220. In a specific embodiment, a tape is manually pasted in the third mounting groove 219, and the tape completely covers the second air extraction channel 216, so that an external air pump can extract the air in the third air extraction channel 220.

[0041] A second connection channel 221 and a third connection channel 222 are further provided on the main body portion 210. Both the second connection channel 221 and the third connection channel 222 are in a cylindrical shape, and the axes of the second connection channel 221 and the third connection channel 222 are located on the same straight line. Both the second connection channel 221 and the third connection channel 222 are arranged in the same direction as the third air extraction channel 220. The second connection channel 221 and the third connection channel 222 are respectively provided at both ends of the third air extraction channel 220. One end of the second connection channel 221 close to the third air extraction channel 220 is communicated with the third air extraction channel 220. One end of the third connection channel 222 close to the third air extraction channel 220 is communicated with the third air extraction channel 220.

[0042] A fourth mounting groove 231 is provided at one end of the fork arm 230 close to the second connection channel 221. The fourth mounting groove 231 is perpendicular to the second connection channel 221. The fourth mounting groove 231 and the third mounting groove 219 are located on the same surface of the adsorption plate 200. The fourth mounting groove 231 is in a long rectangular shape. The fourth mounting groove 231 has a certain depth but does not penetrate through the fork arm 230. A fourth air extraction channel 232 is provided in the middle of the fourth mounting groove 231. The fourth air extraction channel 232 is in a straight line shape, and the fourth air extraction channel 232 is in the same direction as the fourth mounting groove 231. The fourth air extraction channel 232 is perpendicular to the second connection channel 221, and the second connection channel 221 is located at the end of the fourth air extraction channel 232. The fourth air extraction channel 232 is communicated with the second connection channel 221, so that the gas in the fourth air extraction channel 232 can enter the second connection channel 221. In a specific embodiment, a tape is manually pasted in the fourth mounting groove 231, and the tape completely covers the fourth air extraction channel 232 to seal the fourth air extraction channel 232, so that an external air pump can extract the air in the fourth air extraction channel 232.

[0043] At one end of the fork arm 230 near the third connection channel 222, there is a fifth installation groove 233. The fifth installation groove 233 is perpendicular to the third connection channel 222. The fifth installation groove 233 and the fourth installation groove 231 are located on the same surface of the adsorption plate 200. The fifth installation groove 233 is in a long rectangular shape and has a certain depth but does not penetrate the fork arm 230. In the middle of the fifth installation groove 233, there is a fifth air extraction channel 234. The fifth air extraction channel 234 is linear and has the same direction as the fifth installation groove 233. The fifth air extraction channel 234 is perpendicular to the third connection channel 222, and the third connection channel 222 is located at the end of the fifth air extraction channel 234. The fifth air extraction channel 234 is connected to the third connection channel 222 so that the gas in the fifth air extraction channel 234 can enter the third connection channel 222. In a specific embodiment, a tape is manually pasted in the fifth installation groove 233, and the tape completely covers the fifth air extraction channel 234 to seal the fifth air extraction channel 234, enabling an external air pump to extract the air in the fifth air extraction channel 234.

[0044] On the side of the fork arm 230 away from the fourth installation groove 231, there are a second adsorption port 235 and a third adsorption port 236. The second adsorption port 235 and the third adsorption port 236 are linear. The positions of the second adsorption port 235 and the third adsorption port 236 correspond to the fourth air extraction channel 232. The second adsorption port 235 and the third adsorption port 236 have the same direction as the fourth air extraction channel 232. The second adsorption port 235 and the third adsorption port 236 are arranged at intervals and are both connected to the fourth air extraction channel 232, enabling an external air pump to adsorb and fix the workpiece from the second adsorption port 235 and the third adsorption port 236.

[0045] On the side of the fork arm 230 away from the fifth installation groove 233, there are a fourth adsorption port 237 and a fifth adsorption port 238. The fourth adsorption port 237 and the fifth adsorption port 238 are both linear. The positions of the fourth adsorption port 237 and the fifth adsorption port 238 correspond to the fifth air extraction channel 234. The fourth adsorption port 237 and the fifth adsorption port 238 have the same direction as the fifth air extraction channel 234. The fourth adsorption port 237 and the fifth adsorption port 238 are arranged at intervals and are both connected to the fifth air extraction channel 234, enabling an external air pump to adsorb and fix the workpiece from the fourth adsorption port 237 and the fifth adsorption port 238.

[0046] In summary, both the first air extraction hole 211 and the second air extraction hole 212 are externally connected to an air pump. The first air extraction hole 211 is communicated with the first air extraction channel 214 and the first adsorption port 217. The second air extraction hole 212 is communicated with the second air extraction channel 216, the first connection channel 218, the third air extraction channel 220, the fourth air extraction channel 232, the second adsorption port 235, and the third adsorption port 236. Moreover, the second air extraction hole 212 is communicated with the second air extraction channel 216, the first connection channel 218, the third air extraction channel 220, the fifth air extraction channel 234, the fourth adsorption port 237, and the fifth adsorption port 238. This enables the externally connected air pump to stably adsorb and fix the workpiece in a five-point adsorption manner at the first adsorption port 217, the second adsorption port 235, the third adsorption port 236, the fourth adsorption port 237, and the fifth adsorption port 238.

[0047] The workpiece loading device further includes a clean booth 500, and each component in the workpiece loading device is arranged inside the clean booth 500.

[0048] The above are all the preferred embodiments of this application. Without restricting the protection scope of this application based on this, therefore: Any equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A workpiece feeding device, characterized in that: include: A suction loading component, comprising a six-axis robot arm (100) and a suction plate (200), wherein the suction plate (200) is fixedly mounted on the six-axis robot arm (100) so that the six-axis robot arm (100) can drive the suction plate (200) to move freely in all directions, wherein the suction plate (200) comprises a main body (210) and a fork arm (230), wherein both the main body (210) and the fork arm (230) are provided with suction ports, and the suction plate (200) suctions and fixes a workpiece at the suction port through an external air pump; A base (300), wherein a storage assembly (400) is provided on the base (300), wherein the storage assembly (400) comprises a first fixing plate (410), a second fixing plate (420), a third fixing plate (430), a fixing block (440) and a fixing shaft (470), wherein the first fixing plate (410) is fixedly assembled with the base (300), the second fixing plate (420) is provided on a side of the first fixing plate (410) away from the base (300), the second fixing plate (420) is arranged transversely, and two third fixing plates (430) symmetrical with respect to the second fixing plate (420) are provided on both sides of the second fixing plate (420), and the third fixing plates (430) are provided on both sides of the second fixing plate (420). 0) is vertically arranged and the third fixing plate (430) and the second fixing plate (420) are perpendicular to each other, the second fixing plate (420) and the third fixing plate (430) are fixedly assembled, a fixing shaft (470) is provided between the two third fixing plates (430), both ends of the fixing shaft (470) are fixedly assembled with the two third fixing plates (430), a fixing block (440) is provided at each end of the fixing shaft (470), the fixing block (440) is fixedly assembled with the first fixing plate (410), the fixing shaft (470) passes through the fixing block (440), and the fixing shaft (470) and the fixing block (440) are rotatably assembled; The adsorption plate (200) is provided with a first air pumping hole (211) and a second air pumping hole (212), the first air pumping hole (211) and the second air pumping hole (212) are both externally connected to an air pump, and the first air pumping hole (211) and the second air pumping hole (212) are both located on the same surface of the adsorption plate (200); A first mounting groove (213), a second mounting groove (215), a third mounting groove (219), a fourth mounting groove (231) and a fifth mounting groove (233) are provided on a surface of the adsorption plate (200) away from the first air extraction hole (211); A first air extraction channel (214) is provided in the first installation groove (213), a second air extraction channel (216) is provided in the second installation groove (215), a third air extraction channel (220) is provided in the third installation groove (219), a fourth air extraction channel (232) is provided in the fourth installation groove (231), and a fifth air extraction channel (234) is provided in the fifth installation groove (233); the first air extraction channel (214) is connected to the first air extraction hole (211), and the second air extraction channel (216) is connected to the second air extraction hole (212); The suction port comprises a first suction port (217), a second suction port (235), a third suction port (236), a fourth suction port (237) and a fifth suction port (238); the first suction port (217) is arranged on the main body (210); the second suction port (235), the third suction port (236), the fourth suction port (237) and the fifth suction port (238) are all arranged on the fork arm (230); The second adsorption port (235) and the third adsorption port (236) are both connected to the fourth air extraction channel (232), and the fourth adsorption port (237) and the fifth adsorption port (238) are both connected to the fifth air extraction channel (234); The third air extraction channel (220) is arranged at one end of the second air extraction channel (216) away from the second air extraction hole (212), and the third air extraction channel (220) is perpendicular to the second air extraction channel (216). The adsorption plate (200) also includes a first connecting channel (218), and the first connecting channel (218) connects the third air extraction channel (220) and the second air extraction channel (216).

2. The workpiece feeding device according to claim 1, characterized in that: One end of the first air extraction channel (214) away from the first air extraction hole (211) is in communication with the first adsorption port (217).

3. The workpiece feeding device according to claim 1, characterized in that: A second connecting channel (221) and a third connecting channel (222) are respectively provided at both ends of the third air extraction channel (220); the second connecting channel (221) and the third connecting channel (222) are both connected to the third air extraction channel (220).

4. The workpiece feeding device according to claim 3, characterized in that: The second connecting channel (221) connects the third air extraction channel (220) and the fourth air extraction channel (232), and the third connecting channel (222) connects the third air extraction channel (220) and the fifth air extraction channel (234).

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