CN213971239U

CN213971239U - Workpiece grabbing device and jig switching system

Info

Publication number: CN213971239U
Application number: CN202022399596.0U
Authority: CN
Inventors: 蔡玉琳; 姚赞彬; 蔡海生
Original assignee: Guangdong Lyric Robot Intelligent Automation Co Ltd
Current assignee: Guangdong Lyric Robot Automation Co Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-08-17
Anticipated expiration: 2030-10-26

Abstract

The utility model belongs to the technical field of automatic production, in particular to a workpiece grabbing device, which comprises a grabbing bracket, a workpiece grabbing mechanism which is arranged on the grabbing bracket and is used for grabbing a workpiece, and a grabbing adjusting mechanism which is connected with the workpiece grabbing mechanism and is used for adjusting the grabbing state of the workpiece, wherein the workpiece grabbing mechanism comprises a vacuum sucker component which is used for directly grabbing the workpiece, and a workpiece clamping component which is used for assisting in clamping the workpiece; the utility model discloses a work piece grabbing device can effectually prevent that the work piece from dropping, guarantees the stability that the work piece snatched. The utility model discloses still relate to an application work piece grabbing device's tool switched systems, this tool switched systems not only can effectual reduction tool switch the time, improve the holistic production efficiency of system, and can carry out adaptability butt joint with the work piece when trading the line, realize the altitude mixture control of the work piece ejection of compact and the operation of trading the layer, the degree of the whole line flexible production of effectual improvement.

Description

Workpiece grabbing device and jig switching system

Technical Field

The utility model belongs to the technical field of the automated production, concretely relates to work piece grabbing device and tool switched systems.

Background

When a workpiece enters different equipment and production lines, the jig generally needs to be replaced. In the prior art, a device for grabbing a workpiece when a jig is replaced generally adopts a single grabbing mode such as sucking disc grabbing or material claw clamping, when a large workpiece is grabbed, the workpiece is easy to be grabbed unstably due to insufficient grabbing force, or the workpiece is damaged due to overlarge grabbing force; when the material claw is used for clamping a workpiece, the material claw is generally controlled to be in bidirectional split driving adjustment, and the requirement on the adjustment precision is high.

In addition, in current production process, adopt the tool of same batch to transfer the processing to the work piece more, when the work piece need shift to next process, generally unify the ejection of compact back with work piece and tool, shift the work piece to next batch of tool again, realize the change of tool and the line change of work piece, the consuming time of tool switching is long, is unfavorable for the high efficiency of production to go on.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a workpiece grabbing device.

The utility model discloses the technological effect that will reach realizes through following technical scheme:

the workpiece grabbing device comprises a grabbing bracket, a workpiece grabbing mechanism which is arranged on the grabbing bracket and used for grabbing a workpiece, and a grabbing adjusting mechanism which is connected with the workpiece grabbing mechanism and used for adjusting the grabbing state of the workpiece; the workpiece grabbing mechanism comprises a vacuum sucker assembly for directly grabbing a workpiece and a workpiece clamping assembly for assisting in clamping the workpiece; the grabbing adjusting mechanism comprises a grabbing adjusting assembly and a rotating adjusting assembly, wherein the grabbing adjusting assembly is used for adjusting the vacuum sucker assembly during grabbing, and the rotating adjusting assembly is used for grabbing a rear rotating workpiece.

Furthermore, the workpiece clamping and embracing assembly comprises a workpiece clamping and embracing unit for clamping the workpiece, and a clamping and embracing driving unit for controlling the opening and closing of the workpiece clamping and embracing unit.

Further, the workpiece clamping and holding unit comprises a first clamping and holding claw clamp and a second clamping and holding claw clamp which are oppositely arranged on two sides of the vacuum sucker assembly, the top of the vacuum sucker assembly and the grabbing support are hinged and connected.

Further, the clamping driving unit comprises a clamping slide rail arranged between the first clamping claw clamp and the second clamping claw clamp, a first clamping linkage part and a second clamping linkage part which are arranged on the clamping slide rail in a sliding manner, and a clamping driving part which is connected with the first clamping linkage part and the second clamping linkage part and is used for adjusting the distance between the first clamping linkage part and the second clamping linkage part; and the first clamping and embracing linkage part is connected with the first clamping and embracing claw clamp, and the second clamping and embracing linkage part is connected with the second clamping and embracing claw clamp.

The jig switching system comprises a rack, a workpiece feeding mechanism, a workpiece discharging mechanism, a workpiece lifting mechanism and a workpiece transfer mechanism which are arranged on the rack, and a workpiece grabbing device which is arranged on the rack and is as above.

Further, be equipped with feed inlet and discharge gate in the frame, just feed inlet and discharge gate crisscross setting.

Furthermore, the workpiece feeding mechanism is arranged corresponding to the feeding hole and comprises a feeding conveying assembly for feeding workpieces and a feeding driving assembly which is connected with the feeding conveying assembly and is used for controlling and adjusting the feeding conveying assembly; the workpiece discharging mechanism is arranged corresponding to the discharging port and comprises a discharging conveying assembly and a discharging driving assembly, wherein the discharging conveying assembly is used for discharging workpieces, and the discharging driving assembly is connected with the discharging conveying assembly and is used for controlling and adjusting the discharging conveying assembly.

Further, the workpiece transfer mechanism is used for the reciprocating transfer of the workpiece gripping device between the feeding port and the discharging port, and comprises a transfer driving component and a workpiece transfer component, wherein the transfer driving component is arranged on the workpiece gripping device and used for adjusting the workpiece gripping device to move, and the workpiece transfer component is connected with the transfer driving component and used for transferring the workpiece gripping device.

Furthermore, the workpiece lifting mechanism is arranged between the workpiece feeding mechanism and the workpiece discharging mechanism and is used for butting the fed and discharged workpieces; the device comprises a workpiece lifting assembly and a lifting driving assembly, wherein the workpiece lifting assembly is used for being in butt joint with a workpiece, and the lifting driving assembly is connected with the workpiece lifting assembly and is used for adjusting the workpiece lifting assembly.

Further, a jig stopping assembly for positioning the bearing jig plate and adjusting the workpiece discharging height is further arranged on the workpiece discharging mechanism when the workpiece is discharged.

To sum up, the utility model discloses a work piece grabbing device has following useful part at least:

1. the utility model discloses a work piece grabbing device adopts the vacuum chuck subassembly directly to snatch and work piece clamp embraces the supplementary tight mode of pressing from both sides of subassembly and snatchs the work piece, not only can effectually prevent that the work piece from dropping, guarantee the stability that the work piece snatched, and the work piece clamp embrace what the drive unit adopted is one-way whole driven mode, compare in prior art two-way components of a whole that can function independently drive regulation snatch, can effectually guarantee to press from both sides the uniformity and the stability of embracing the drive unit regulation to further the effectual stability of guaranteeing that the work piece snatchs.

2. The utility model discloses a tool switching system adopts work piece transfer mechanism and work piece grabbing device to combine together, directly transfers the work piece after snatching from feeding tool line to ejection of compact tool line, realizes the operation that work piece traded the line and the tool is changed simultaneously, compares with in the prior art after unifying the ejection of compact with work piece and tool, transfers the work piece to the switching system of next batch of tool again, the effectual time that reduces the tool and switch, has improved the holistic production efficiency of system; and a workpiece lifting mechanism is further arranged in the jig switching system, and can be in adaptive butt joint with a workpiece during wire changing, so that the height adjustment and layer changing operation of workpiece discharging are realized, and the flexible production degree of the whole wire is effectively improved.

Drawings

Fig. 1 is a schematic structural view of a workpiece gripping device according to an embodiment of the present invention.

Fig. 2 is a schematic sectional structure diagram of the workpiece gripping device according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of fig. 2 at B.

Fig. 5 is a schematic structural diagram (on one side of the feed inlet) of the jig switching system in the embodiment of the present invention.

Fig. 6 is a schematic structural view (discharge port side) of the jig switching system according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a jig switching system according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of the jig stop assembly according to an embodiment of the present invention.

The reference numbers of the figures illustrate the following:

10. a frame; 11. a feed inlet; 12. a discharge port; 101. a feed induction device; 102. a discharge sensing device; 100. a workpiece gripping device; 110. grabbing the bracket; 120. a workpiece grabbing mechanism; 121. a vacuum chuck assembly; 122. a workpiece clamping and holding assembly; 1201. a first clamping jaw clamp; 1202. a second clamping jaw clamp; 1203. a first gear shaft; 1204. a second gear shaft; 1205. clamping the sliding rail; 1206. a first clamping linkage; 1207. a second clamping linkage; 1208. clamping the driving piece; 1209. a first linked rack; 1210. a second linkage rack; 130. a grabbing adjusting mechanism; 131. a grabbing adjusting assembly; 1301. a guide bar; 1302. a lift adjustment drive; 1303. an alignment adjustment drive; 1304. aligning the adjusting gear shaft; 1305. aligning the adjusting rack; 1306. aligning, adjusting and transferring the sliding rail set; 132. a rotation adjustment assembly; 1321. rotating the adjustment drive; 1322. a rotating linkage; 200. a workpiece feeding mechanism; 300. a workpiece discharging mechanism; 310. a discharge conveying assembly; 320. a discharge drive assembly; 330. the jig stopping component; 400. a workpiece lifting mechanism; 410. a workpiece lifting assembly; 411. lifting the support; 412. lifting the sliding rail piece by the workpiece; 420. a lift drive assembly; 421. lifting the driving piece; 422. lifting the gear shaft; 423. lifting the rack; 500. a workpiece transfer mechanism; 510. a transfer drive assembly; 511. a transfer drive gear shaft; 512. a transfer drive; 520. a workpiece transfer assembly; 521. a workpiece transfer rack; 522. the workpiece is transferred to the slide rail group.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. The described embodiments are some, but not all embodiments of the invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 2, in a preferred embodiment, the workpiece grabbing device 100 of the present invention includes a grabbing bracket 110, a workpiece grabbing mechanism 120 disposed on the grabbing bracket 110 for grabbing a workpiece, and a grabbing adjustment mechanism 130 connected to the workpiece grabbing mechanism 120 for adjusting a grabbing state of the workpiece.

Referring to fig. 1 and 2, the workpiece gripping mechanism 120 includes a vacuum chuck assembly 121 for directly gripping a workpiece, and a workpiece clamping and embracing assembly 122 for assisting in clamping the workpiece; preferably, the vacuum chuck assembly 121 is a group of vacuum chucks uniformly distributed according to the shape of the workpiece. The workpiece clamping and holding assembly 122 comprises a workpiece clamping and holding unit for clamping a workpiece, and a clamping and holding driving unit for controlling the opening and closing of the workpiece clamping and holding unit; the workpiece clamping and holding unit comprises a first clamping and holding claw clamp 1201 and a second clamping and holding claw clamp 1202 which are oppositely arranged on two sides of the vacuum chuck assembly 121, the top of the first clamping and holding claw clamp 1201 is hinged with the grabbing bracket 110 through a first gear shaft 1203, and the top of the second clamping and holding claw clamp 1202 is hinged with the grabbing bracket 110 through a second gear shaft 1204; the clamping driving unit comprises a clamping slide rail 1205 arranged between the first clamping claw clamp 1201 and the second clamping claw clamp 1202, a first clamping linkage 1206 and a second clamping linkage 1207 which are arranged on the clamping slide rail 1205 in a sliding mode, and a clamping driving piece 1208 connected with the first clamping linkage 1206 and the second clamping linkage 1207 and used for adjusting the distance between the first clamping linkage 1206 and the second clamping linkage 1207; and the first clamping linkage 1206 is provided with a first linkage rack 1209 engaged with the first gear shaft 1203, and the second clamping linkage 1207 is provided with a second linkage rack 1210 engaged with the second gear shaft 1204. As long as open the clamp and embrace driving piece 1208, can effectual regulation first press from both sides and embrace link 1206 and the second press from both sides the interval of embracing between the link 1207 to drive and press from both sides the first clamp that embraces the link 1206 and link to each other and embrace claw clamp 1201 with the second clamp that embraces link 1207 and link to each other, control the degree that opens and shuts between first clamp that embraces claw clamp 1201 and the second clamp that embraces claw clamp 1202, carry out the auxiliary clamp to the work piece.

Referring to fig. 1 to 4, the gripping adjustment mechanism 130 includes a gripping adjustment assembly 131 for adjusting the vacuum chuck assembly 121 during gripping and a rotation adjustment assembly 132 for rotating the workpiece after gripping. The grabbing adjusting assembly 131 comprises a lifting adjusting assembly for adjusting the vacuum chuck assembly 121 to ascend and descend in the vertical direction and an alignment adjusting assembly for adjusting the vacuum chuck assembly 121 to align with the center of the workpiece; specifically, the lifting adjustment assembly comprises a guide rod 1301 arranged on the vacuum chuck assembly 121, and a lifting adjustment driving member 1302 arranged on the vacuum chuck assembly 121 and connected with the guide rod 1301; the alignment adjustment assembly includes an alignment adjustment driving member 1303 disposed on the vacuum chuck assembly 121, an alignment adjustment gear shaft 1304 disposed on the alignment adjustment driving member 1303, an alignment adjustment rack 1305 disposed on the gripper bracket 110 and engaged with the alignment adjustment gear shaft 1304, and an alignment adjustment transfer slide set 1306 disposed between the vacuum chuck assembly 121 and the gripper bracket 110 for moving the vacuum chuck assembly 121. The grabbing adjusting assembly 131 adjusts the vacuum chuck assembly 121 of the grabbed workpiece in the vertical direction and the horizontal direction, the vacuum chuck assembly 121 can be effectively adjusted to be aligned to the center of the workpiece to grab, and the stability of the vacuum chuck assembly 121 for grabbing the workpiece is ensured. The rotation adjusting assembly 132 comprises a rotation adjusting driving member 1321 arranged on the vacuum chuck assembly 121 and used for adjusting the rotation angle of the workpiece, and a rotation linkage piece 1322 connected with the rotation adjusting driving member 1321 and used for driving the vacuum chuck assembly 121 to rotate; the workpiece can be rotated by a certain angle, so that the workpiece can correspond to the jigs before and after line changing.

According to the technical scheme of above-mentioned embodiment, the utility model provides a work piece grabbing device adopts vacuum chuck subassembly 121 directly to snatch and work piece presss from both sides embraces subassembly 122 auxiliary clamping's mode and snatchs the work piece, not only can effectually prevent that the work piece from dropping, guarantee the stability that the work piece snatched, and what the work piece pressed from both sides that embrace subassembly 122 pressed from both sides and embrace the drive unit and adopt is one-way whole driven mode, compare in prior art two-way components of a whole that can function independently drive regulation snatch the mode, can effectually guarantee to press from both sides and embrace uniformity and stability that the drive unit adjusted to further effectual assurance work piece snatchs stability.

Referring to fig. 5-7, the jig switching system of the present invention includes a frame 10, a workpiece feeding mechanism 200, a workpiece discharging mechanism 300, a workpiece lifting mechanism 400, a workpiece transfer mechanism 500, and the workpiece grabbing device 100, which is disposed on the frame 10 and described above.

A feed inlet 11 and a discharge outlet 12 are arranged on the side surface of the frame 10, and the feed inlet 11 and the discharge outlet 12 are arranged in a staggered manner and used for realizing the wire replacement of workpieces and the replacement of jigs; and the feeding inlet 11 is provided with a feeding induction device 101, and the discharging outlet 12 is provided with a discharging induction device 102 for inducing the feeding and discharging of the workpiece. The workpiece feeding mechanism 200 is arranged corresponding to the feeding port 11, and includes a feeding conveying assembly (not shown) for feeding workpieces, and a feeding driving assembly (not shown) connected to the feeding conveying assembly (not shown) for controlling and adjusting the feeding conveying assembly (not shown); the workpiece discharging mechanism 300 is arranged corresponding to the discharging port 12, and comprises a discharging conveying assembly 310 for discharging workpieces, and a discharging driving assembly 320 connected with the discharging conveying assembly 310 and used for controlling and adjusting the discharging conveying assembly 310; preferably, the infeed conveyor assembly (not identified) and the outfeed conveyor assembly 310 are conveyor belt assemblies, and the infeed drive assembly (not identified) and the outfeed drive assembly 320 are synchro-wheel drive assemblies; the workpiece feeding mechanism 200 and the workpiece discharging mechanism 300 are combined, so that the transfer of the jig before and after line changing can be effectively realized. In addition, the workpiece discharging mechanism 300 is further provided with a jig stopping assembly 330 for positioning the loading jig plate and adjusting the discharging height of the workpiece during discharging the workpiece, please refer to fig. 8, wherein the jig stopping assembly 330 includes a jig stopping member 331 for clamping and positioning the discharging jig plate, and a height adjusting driving member 332 connected to the jig stopping member 331 for adjusting the height of the jig stopping member 331.

Referring to fig. 1 and 5-7, the workpiece transfer mechanism 500 is used for reciprocating the workpiece gripping device 100 between the feeding port 11 and the discharging port 12, and includes a transfer driving assembly 510 disposed on the workpiece gripping device 100 for adjusting the movement of the workpiece gripping device 100, and a workpiece transfer assembly 520 connected to the transfer driving assembly 510 for transferring the workpiece gripping device 100. The transfer driving assembly 510 includes a transfer driving gear shaft 511 mounted on the grabbing bracket 110 and connected to the workpiece transfer assembly 520, and a transfer driving member 512 engaged with the transfer driving gear shaft 511; the workpiece transfer assembly 520 includes a workpiece transfer rack 521 disposed on both sides of the top of the frame 10 and engaged with the transfer drive gear shaft 511, and a workpiece transfer rail set 522 disposed between the gripping brackets 110 and the frame 10 for moving the workpiece gripping device 100.

Referring to fig. 5-7, the workpiece lifting mechanism 400 is disposed between the workpiece feeding mechanism 200 and the workpiece discharging mechanism 300, and is used for butting the fed and discharged workpieces, and includes a workpiece lifting assembly 410 for butting against the workpieces, and a lifting driving assembly 420 connected to the workpiece lifting assembly 410 and used for adjusting the workpiece lifting assembly 410. The workpiece lifting assembly 410 comprises a lifting support 411 for butting against a workpiece, and a workpiece lifting sliding rail part 412 which is arranged between the lifting support 411 and the workpiece discharging mechanism 300 and is used for lifting the lifting support 411 to move up and down; the lifting driving assembly 420 includes a lifting driving member 421 disposed at one side of the workpiece discharging mechanism 300, a lifting gear shaft 422 disposed on the lifting driving member 421, and a lifting rack 423 disposed on the lifting bracket 411 and engaged with the lifting gear shaft 422.

According to the technical scheme of the embodiment, the utility model provides a jig switching system, adopt work piece transfer mechanism 500 and work piece grabbing device 100 to combine together, directly transfer the work piece after grabbing from feeding jig line to discharging jig line, realize the operation that the work piece traded the line and the jig was changed simultaneously, compare in prior art with unified ejection of compact work piece and jig, again with the work piece transfer to the switching system of next batch of jigs, the time of jig switching has effectively been reduced, the production efficiency of system is improved wholly; and a workpiece lifting mechanism 400 is further arranged in the jig switching system, and can be in adaptive butt joint with a workpiece during wire changing, so that the height adjustment and layer changing operation of workpiece discharging are realized, and the flexible production degree of the whole wire is effectively improved.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements 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 present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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 according to specific situations by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. The workpiece grabbing device (100) is characterized by comprising a grabbing bracket (110), a workpiece grabbing mechanism (120) arranged on the grabbing bracket (110) and used for grabbing a workpiece, and a grabbing adjusting mechanism (130) connected with the workpiece grabbing mechanism (120) and used for adjusting the grabbing state of the workpiece;

the workpiece grabbing mechanism (120) comprises a vacuum chuck assembly (121) for directly grabbing a workpiece and a workpiece clamping and holding assembly (122) for assisting in clamping the workpiece;

the grabbing adjusting mechanism (130) comprises a grabbing adjusting assembly (131) used for adjusting the vacuum sucker assembly (121) during grabbing, and a rotating adjusting assembly (132) used for grabbing a post-rotation workpiece.

2. The workpiece gripping apparatus (100) of claim 1, wherein the workpiece clamp assembly (122) comprises a workpiece clamp unit for clamping a workpiece, and a clamp driving unit for controlling the opening and closing of the workpiece clamp unit.

3. The workpiece gripping device (100) of claim 2, wherein the workpiece clamping and holding unit comprises a first clamping and holding claw clamp (1201) and a second clamping and holding claw clamp (1202) which are oppositely arranged on two sides of the vacuum chuck assembly (121) and are hinged and connected with the gripping bracket (110) at the top.

4. The workpiece grasping device (100) according to claim 3, wherein the clamp actuation unit comprises a clamp rail (1205) disposed between the first clamp gripper (1201) and the second clamp gripper (1202), a first clamp linkage (1206) and a second clamp linkage (1207) slidably disposed on the clamp rail (1205), and a clamp actuation member (1208) connecting the first clamp linkage (1206) and the second clamp linkage (1207) for adjusting a spacing between the first clamp linkage (1206) and the second clamp linkage (1207);

the first clamping and embracing linkage piece (1206) is connected with the first clamping and embracing claw clamp (1201), and the second clamping and embracing linkage piece (1207) is connected with the second clamping and embracing claw clamp (1202).

5. A jig switching system, comprising a frame (10), a workpiece feeding mechanism (200), a workpiece discharging mechanism (300), a workpiece lifting mechanism (400) and a workpiece transfer mechanism (500) which are arranged on the frame (10), and a workpiece gripping device (100) which is arranged on the frame (10) and is according to any one of claims 1 to 4.

6. The jig switching system according to claim 5, wherein the rack (10) is provided with a feeding port (11) and a discharging port (12), and the feeding port (11) and the discharging port (12) are arranged in a staggered manner.

7. The jig switching system according to claim 6, wherein the workpiece feeding mechanism (200) is disposed corresponding to the feeding port (11), and comprises a feeding conveying assembly for feeding the workpiece, and a feeding driving assembly connected to the feeding conveying assembly for controlling and adjusting the feeding conveying assembly;

the workpiece discharging mechanism (300) is arranged corresponding to the discharging port (12) and comprises a discharging conveying assembly (310) used for discharging workpieces and a discharging driving assembly (320) connected with the discharging conveying assembly (310) and used for controlling and adjusting the discharging conveying assembly (310).

8. The jig switching system according to claim 6, wherein the workpiece transfer mechanism (500) is used for the reciprocating transfer of the workpiece gripping device (100) between the feeding port (11) and the discharging port (12), and comprises a transfer driving component (510) arranged on the workpiece gripping device (100) and used for adjusting the movement of the workpiece gripping device (100), and a workpiece transfer component (520) connected with the transfer driving component (510) and used for transferring the workpiece gripping device (100).

9. The jig switching system according to claim 5, wherein the workpiece lifting mechanism (400) is provided between the workpiece feeding mechanism (200) and the workpiece discharging mechanism (300) for butting the fed and discharged workpieces; comprises a workpiece lifting component (410) used for being butted with a workpiece, and a lifting driving component (420) connected with the workpiece lifting component (410) and used for adjusting the workpiece lifting component (410).

10. The jig switching system according to claim 5, wherein the workpiece discharging mechanism (300) is further provided with a jig stopping assembly (330) for positioning the load-bearing jig plate and adjusting the workpiece discharging height during workpiece discharging.