CN217072212U - Pressing mechanism - Google Patents

Abstract

The utility model provides a pressing mechanism, which comprises a supporting component, a pressing block, a side pushing piece and a side pushing handle, wherein the supporting component is used for supporting a workpiece and is provided with a containing position, and the workpiece is provided with a recess for containing accessories; the pressing block is arranged at the accommodating position; the first elastic piece is elastically connected between the side wall of the containing position and the pressing block; the side pushing piece is inserted in the supporting component and connected with the pressing block; the side pushes away the handle and locates support component one side, and with the side pushes away the articulated in order to promote the linkage of side push away the briquetting past accessory direction elastic motion promotes with elasticity the sunken lateral wall of accessory butt. Above-mentioned hold-down mechanism pushes away the handle through the operation side and makes the side push away a linkage briquetting and promote the sunken lateral wall of accessory butt toward the accessory direction, and the accessory is arranged in the position in the cave in at every turn in the side push direction the same to make the accurate location of accessory on the work piece, improved yield and the packaging efficiency of accessory equipment on the work piece.

Description

Pressing mechanism

Technical Field

The utility model relates to a machinery clamping technical field especially relates to a hold-down mechanism.

Background

In the assembling process of work piece, it is comparatively common equipment to assemble the gadget to the work piece on, generally use tweezers to press from both sides by the manual work among the prior art and get the gadget and place on the work piece and then compress tightly, it is higher to the equipment requirement of gadget and work piece at some products, need reach gadget and work piece zero clearance fit and can not misplace, the manual work leads to gadget and work piece dislocation or has bad operations such as clearance easily at the excessive speed when placing the gadget, make follow-up processing become bad product, artifical accurate operation leads to production efficiency to hang down excessively easily, influence product goods scheduling problem.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a pressing mechanism to improve the yield of assembling the parts on the workpiece.

A hold-down mechanism comprising: the supporting component is used for supporting a workpiece and is provided with a containing position, and the workpiece is provided with a recess for containing the accessory; the pressing block is arranged at the accommodating position; the first elastic piece is elastically connected between the side wall of the containing position and the pressing block; the side pushing piece is inserted in the supporting component and connected with the pressing block; the side pushes away the handle, locates support component one side, and with the side pushes away the articulated in order to promote the side pushes away a linkage the briquetting past accessory direction elastic motion promotes with elasticity the sunken lateral wall of accessory butt.

Further, in an embodiment, the support assembly includes: the supporting panel is provided with an accommodating groove for accommodating workpieces, and the accommodating position is arranged on one side of the accommodating groove; the supporting bottom plate is arranged at intervals with the supporting panel; the supporting columns are connected between the supporting panels and the supporting bottom plates.

Further, in an embodiment, the compact includes: the moving body is provided with a groove, the first elastic piece is abutted against the groove, and the moving body is connected with the side pushing piece through a connecting column; and the pressing bulge is convexly arranged at one end of the motion body and used for pushing the accessory to the side wall of the recess.

Further, in an embodiment, the receiving bit includes: a sliding groove; the side pushing piece is inserted into the bottom groove and connected with the moving body through a connecting column, and the moving body is covered on the bottom groove; the two convex parts are respectively arranged on the side wall of the left sliding groove and the side wall of the right sliding groove in a convex mode, and respectively form a left slideway and a right slideway with the bottom wall of the left sliding groove and the bottom wall of the right sliding groove; the briquetting still includes: two sliding bulges are respectively connected with the left slideway and the right slideway in a sliding manner.

Further, in one embodiment, the side push handle comprises: a first boss portion; the second bulge part and the first bulge part form a gap at intervals, and one end of the side pushing piece is inserted into the gap; the side pushing piece is hinged to the gap between the first protruding portion and the second protruding portion through the connecting shaft; the first bulge part and the second bulge part are respectively connected with one end of the handle part at intervals.

Further, in an embodiment, the first protruding portion and the second protruding portion each have an eccentric hole, and the connecting shaft is hinged to the eccentric hole.

Further, in an embodiment, the pressing mechanism further comprises a pressing cover, the pressing cover comprising: a first cover plate having a positioning groove; the second elastic piece is arranged in the positioning groove; the second cover plate covers the first cover plate; and the pressing part is connected with the second elastic part and penetrates through the second cover plate to press against the workpiece.

Further, in an embodiment, the pressing member includes: the clamping and connecting plate is clamped in the positioning groove and connected with the second elastic piece; and the movable part is connected with the clamping plate and penetrates through the second cover plate to abut against the workpiece.

Further, in one embodiment, the movable portion includes: the connecting part is connected with the clamping plate; and the pressing convex part is convexly arranged on the connecting part and abuts against the workpiece.

Further, in one embodiment, the pressing mechanism further comprises a pressing member, the pressing member comprising: a hinge member hinged to the support assembly; a locking member connected to the hinge member; and the elastic component is connected with the locking piece and penetrates through the locking piece to elastically press the first cover plate.

Further, in one embodiment, the locking member includes: the lock catch part is provided with a through hole for accommodating the elastic component; and the covering part is connected with the lock catch part and covers the through hole.

Further, in one embodiment, the elastic member includes: the third elastic piece is arranged in the through hole and is abutted against the covering part; the steel balls are arranged in the through holes, one part of the steel balls is abutted against the third elastic piece, and the other part of the steel balls extends out of the through holes to be abutted against the first cover plate; and the gasket is arranged between the third elastic piece and the steel ball.

Further, in an embodiment, the pressing mechanism further includes: the suction body is provided with a suction nozzle and a positioning hole, the suction nozzle is used for being communicated with an air source, and the suction nozzle is used for adsorbing the accessory and releasing the adsorbed accessory into the recess; the fourth elastic piece is arranged in the positioning hole; and the buffer part is abutted against the fourth elastic part, movably extends out of the positioning hole and is used for abutting against the support assembly.

Further, in an embodiment, the pressing mechanism further includes: the bearing plate is fixedly connected with the support assembly and is provided with a containing groove matched with the accessory so as to contain the accessory; and the positioning column is convexly arranged on the bearing plate and used for positioning the material sucking assembly so that the material sucking module can suck the accessory.

Above-mentioned hold-down mechanism pushes away the handle through the operation side and makes the side push away a linkage briquetting and promote the sunken lateral wall of accessory butt toward the accessory direction, and the accessory is arranged in the position in the cave in at every turn in the side push direction the same to make the accessory in the accurate location of side push direction, improved yield and the packaging efficiency of accessory equipment on the work piece.

In addition, the pressing mechanism also supports against the workpiece and the accessories through the pressing cover and the buckling piece, and the positions of the accessories in the recess in the direction perpendicular to the workpiece are the same every time, so that the accessories are further accurately positioned, and the yield and the assembly efficiency of the accessories assembled on the workpiece are further improved.

Drawings

Fig. 1 is a perspective view of a pressing mechanism provided by the present invention.

Fig. 2 is an enlarged view of a portion II in fig. 1.

Fig. 3 is a partially exploded view of the hold-down mechanism of fig. 1.

Fig. 4 is a perspective view of the cover of fig. 1 in another direction.

Figure 5 is an exploded view of the gland of figure 4.

Fig. 6 is an exploded view of the crimp of fig. 1.

Fig. 7 is a cross-sectional view of the crimp of fig. 1.

Figure 8 is an exploded view of the suction assembly of figure 1.

FIG. 9 is a schematic view of the hold down mechanism of FIG. 1 adsorbing a fitting on a carrier plate.

Figure 10 is a schematic view of the suction assembly of figure 9 releasing the fitting on a workpiece.

FIG. 11 is a schematic view of the side push handle of FIG. 9 rotated until the press block push fitting abuts the side wall of the recess.

Figure 12 is a schematic view of the suction assembly of figure 11 moved back into the carrier plate.

Fig. 13 is an enlarged view of XIII in fig. 12.

FIG. 14 is a schematic view of the crimp of FIG. 12 crimped to a gland.

Description of the main elements

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to make the aforementioned objects, features and advantages of the embodiments of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the features of the embodiments of the present invention may be combined with each other without conflict.

In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments of the invention, and the described embodiments are merely some, but not all 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 all belong to the scope protected by the embodiments of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the present invention belong. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the invention.

Referring to fig. 1 to 3, the present invention provides a pressing mechanism 1 for pressing a fitting 100 into a recess 201 of a workpiece 200. The workpiece 200 may be a mobile phone stand or a mobile phone middle frame, the accessory 100 may be any one of a front camera stand, a rear camera stand, a stud stand, a headphone accessory, and the like, and the accessory 100 may be made of metal or plastic.

The pressing mechanism 1 comprises a supporting component 2, a pressing block 3, a first elastic piece 4, a side pushing piece 5 and a side pushing handle 6. The support assembly 2 is for supporting a workpiece 200 and has a receiving location 21. The pressing block 3 is arranged at the accommodating position 21. The first elastic element 4 is elastically connected between the side wall of the containing position 21 and the pressing block 3. The side pushing piece 5 is inserted in the supporting component 2 and connected with the pressing block 3. The side push handle 6 is disposed on one side of the supporting component 2, and is hinged to the side push member 5 to push the side push member 5 to link the pressing block 3 to elastically move toward the fitting 100 to elastically push the fitting 100 to abut against the sidewall of the recess 201, so as to abut the fitting 100 against the sidewall of the workpiece 200. With the pressing mechanism 1 described above, when the fitting 100 is positioned, the side push handle 6 is operated to push the press block 3 to move the fitting 100, causing the fitting 100 to abut against the side wall of the recess 201, and thus, the position where the fitting 100 is placed in the recess 201 each time in the side push direction is the same, thereby precisely positioning the fitting 100 in the side push direction.

The pressing mechanism 1 further comprises a bearing plate 7 and a material sucking assembly 8. The bearing plate 7 is fixedly connected to the support assembly 2 and has a receiving groove 71 matching with the fitting 100 for receiving the fitting 100. The bearing plate 7 is provided with a positioning column 72 in a protruding manner, and the positioning column 72 is used for positioning the material sucking assembly 8 so that the material sucking assembly 8 can suck the fitting 100. The suction assembly 8 is used to suck the fitting 100 from the receiving groove 71 and move into the recess 201 on the workpiece 200.

The pressing mechanism 1 further comprises a pressing cover 9 and two pressing pieces 10 positioned at two sides of the supporting component 2. The pressing cover 9 is used for pressing the workpiece 200 and the fitting 100 when the fitting 100 abuts against the side wall of the recess 201 so as to press the fitting 100 against the bottom wall of the recess 201, so that the fitting 100 is accurately positioned in the recess 201 in a direction perpendicular to the workpiece 200. Two crimping pieces 10 are hinged to the support member 2 for crimping the gland 9 when the gland 9 is pressed against the workpiece 200 and the fitting 100 to position the gland 9, thereby further positioning the workpiece 200 and the fitting 100 in a direction perpendicular to the workpiece 200.

In one embodiment, an adhesive is disposed in the recess 201, and when the fitting 100 is placed in the recess 201 and abuts against the side wall of the recess 201 and the bottom wall of the recess 201, the fitting 100 can be precisely and stably connected to the workpiece 200 by the adhesive.

The support assembly 2 includes a support panel 22, a support base 23, and a support post 24. The support bottom plate 23 is spaced apart from the support panel 22. The support posts 24 are connected between the support panel 22 and the support base 23. The support panel 22 has a receiving groove 224, and the receiving groove 224 is used for receiving the workpiece 200. The receiving space 21 is opened at one side of the receiving groove 224. The receiving portion 21 includes a sliding groove 211, a bottom groove 212, and two protrusions 213. The bottom groove 212 is opened at the bottom wall of the sliding groove 211, so that the sliding groove 211 is divided into two parts to form a left sliding groove (not shown) and a right sliding groove 214. The two protrusions 213 are respectively protruded from the side walls of the left and right sliding grooves 214, and respectively form a left slide (not shown) and a right slide 215 with the bottom walls of the left and right sliding grooves 214. One side of the support panel 22 has a through hole 222 that communicates with the bottom slot 212. Two positioning pins 223 are protruded from the two sides of the sliding groove 211 of the supporting panel 22 for positioning the material sucking component 8 on which the accessory 100 is sucked.

Referring to fig. 3, the pressing block 3 includes a moving body 31 and a pressing protrusion 32. The moving body 31 is covered on the bottom groove 212 and has a groove 311 and a connecting hole 312, and the connecting hole 312 is perpendicular to the axial direction of the groove 311. One end of the first elastic member 4 abuts against the groove 311, and the other end abuts against the blocking wall 221, for elastically compressing or resetting when the pressing block 3 slides in the sliding groove 211. The moving body 31 is connected to the side pusher 5 through a connecting post 33 disposed in the connecting hole 312. The pressing protrusion 32 is protruded from one end of the moving body 31, and is used for pushing the fitting 100 side on the workpiece 200 to the side wall of the recess 201. The press block 3 further comprises two sliding protrusions 34, and the two sliding protrusions 34 are respectively connected to the left slideway and the right slideway 215 in a sliding manner so as to guide the press block 3 in a sliding manner.

The side push handle 6 includes a handle portion 61, a first projecting portion 62, a second projecting portion 63, and a connecting shaft 64. The second protruding portion 63 is spaced apart from the first protruding portion 62 to form a gap and is connected to one end of the handle portion 61. One end of the side pushing piece 5 is inserted into the gap and hinged to the gap between the first protruding part 62 and the second protruding part 63 through the connecting shaft 64, and the other end of the side pushing piece 5 passes through the through hole 222 and then is inserted into the bottom groove 212 and connected with the moving body 31 through the connecting column 33. The first and second protrusions 62 and 63 each have an eccentric hole 621, and the connecting shaft 64 is hinged to the eccentric hole 621. When the handle portion 61 rotates around the connecting shaft 64 to approach the blocking wall 221, the pushing side push piece 5 moves to approach the fitting 100, so that the fitting 100 abuts against the side wall of the recess 201; when the handle portion 61 rotates around the connecting shaft 64 away from the blocking wall 221, the side pushing element 5 is pulled back in a direction away from the fitting 100, so as to place the fitting 100 on another workpiece 200 again or take out the workpiece 200 from the receiving groove 224.

Referring to fig. 4 and 5, the pressing cover 9 includes a first cover plate 91, a second elastic member 92, a second cover plate 93 and a plurality of pressing members 94. The first cover plate 91 has a plurality of positioning grooves 911. A plurality of second elastic members 92 are disposed in each positioning groove 911. The second cover 93 covers the first cover 91. The pressing member 94 is connected to the second elastic member 92 and penetrates the second cover plate 93 to press against the workpiece 200 and the fitting 100. Specifically, the pressing member 94 includes an engaging plate 941 and a movable portion 942. The engaging plate 941 is engaged with the positioning slot 911 and connected to the second elastic member 92. The second cover plate 93 has a positioning hole 931 penetrating through the second cover plate 93, and the movable portion 942 is connected to the engaging plate 941 and penetrates through the positioning hole 931 to abut against the workpiece 200. The length and width of the positioning hole 931 are smaller than the length and width of the engaging plate 941, so that the engaging plate 941 abuts against the second cover plate 93 when the movable portion 942 passes through the positioning hole 931.

In some embodiments, the movable portion 942 includes a connecting portion 943 connected to the clamping plate 941 and a pressing protrusion 944 protruding from the connecting portion 943. The press boss 944 serves to press the fitting 100 against the workpiece 200. Alternatively, the pressing member 94 is plural, and only one pressing member 94 may be provided with the pressing protrusion 944, and the other pressing members 94 may not be provided with the pressing protrusion 944.

Referring to fig. 6 and 7, the pressing member 10 includes a hinge 11, a locking member 12 and an elastic element 13. The hinge 11 is located at one side of the support member 2 and is hinged to the support member 2. The catch member 12 is connected to the hinged member 11. The elastic member 13 is connected to the locking piece 12 and passes through the locking piece 12 to elastically press the first cover plate 91 to press the pressing cover 9 against the work 200, thereby positioning the fitting 100 in a direction perpendicular to the work 200.

In the present embodiment, the locking member 12 includes a locking portion 121 and a covering portion 122. The locking portion 121 has a through hole 1211 for receiving the elastic element 13. The covering portion 122 is connected to the locking portion 121 and covers an end of the through hole 1211 remote from the hinge 11. In the present embodiment, the covering portion 122 and the locking portion 121 are locked by screws. The elastic assembly 13 includes a third elastic member 131, a steel ball 132 and a spacer 133. The third elastic member 131 is disposed in the through hole 1211 and abuts against the covering portion 122. The steel balls 132 are disposed in the through holes 1211, and a portion of the steel balls 132 abuts against the third elastic member 131, and another portion of the steel balls extends out of the through holes 1211 to abut against the first cover plate 91. The spacer 133 is disposed between the third elastic member 131 and the steel ball 132 to support the third elastic member 131.

Referring to fig. 8, the suction assembly 8 includes a suction body 81, a fourth elastic element 82 and a buffer 83. The material suction body 81 is provided with a suction nozzle 811 and a limiting hole 812, the suction nozzle 811 is used for communicating with an air source, the suction nozzle 811 is used for sucking the accessory 100 on the bearing plate 7 and releasing the sucked accessory 100 in the recess 201 when the material suction assembly 8 moves to the supporting panel 22. The fourth resilient member 82 is disposed in the retention aperture 812. The buffering member 83 abuts against the fourth elastic member 82 and movably extends out of the limiting hole 812 for abutting against the bearing plate 7 or the supporting panel 22, so that when the material sucking assembly 8 is positioned on the bearing plate 7 or the supporting panel 22, the impact force between the material sucking body 81 and the bearing plate 7 and the supporting panel 22 is buffered by the fourth elastic member 82, thereby protecting the workpiece 200.

In this embodiment, referring to fig. 1 again, the pressing mechanism 1 further includes a vacuum generator 14, an air source and a foot valve 15. The gas source is fluidly connected to the intake assembly 8 via a vacuum generator 14. The foot valve 15 is connected with the vacuum generator 14 and is used for controlling the on-off of the fluid between the vacuum generator 14 and the suction assembly 8 so as to suck the fittings 100 or release the fittings 100.

It is understood that in other embodiments, the pressing mechanism 1 may not include the loading plate 7 and the suction assembly 8, and the fitting 100 is directly placed in the recess 201 of the workpiece 200 by manual work, or the pressing mechanism 1 may include the suction assembly 8 instead of the loading plate 7, and the suction assembly 8 releases the fitting 100 sucked from other positions in the recess 201 of the workpiece 200.

It is understood that in other embodiments, the pressing mechanism 1 may not include the pressing cover 9 and the holding-down piece 10, or may include the pressing cover 9 but not the holding-down piece 10. Positioning of the fitting 100 in the workpiece 200 is completed by pushing the side push 5 by the side push handle 6 to abut the fitting 100 against the side wall of the recess 201.

The process of positioning the fitting 100 on the workpiece 200 by the pressing mechanism 1 includes: referring to fig. 2, 3 and 9, the fitting 100 is placed in the receiving groove 71, the suction assembly 8 is positioned on the positioning column 72 and sucks the fitting 100 in the receiving groove 71 through the suction assembly 8, referring to fig. 2, 3 and 10, the suction assembly 8 is moved to the positioning pin 223 on the supporting panel 22, the suction assembly 8 is positioned on the supporting panel 22, at this time, the fitting 100 sucked on the suction assembly 8 is positioned in the recess 201, the suction assembly 8 releases the fitting 100 to separate the fitting 100 from the suction assembly 8, referring to fig. 2, 3 and 11-13, the handle 61 is operated to rotate toward the bearing plate 7, the fitting 100 moves toward the side wall of the recess 201 and abuts against the side wall of the recess 201 to position the fitting 100 in the side pushing direction, referring to fig. 7 and 14, the suction assembly 8 on the supporting panel 22 is moved back to the bearing plate 7, and the pressing cover 9 is placed above the supporting panel 22, the pressing member 94 presses against the workpiece 200 and the fitting 100, the second pressing cover 9 and the supporting panel 22 are spaced from each other under the support of the pressing member 94 and the second elastic member 92, at this time, the locking member 12 is rotated toward the pressing cover 9, when the locking member 12 is rotated until the steel ball 132 is located at the chamfered edge of the first pressing cover 9, the steel ball 132 abuts against the chamfered edge of the first pressing cover 9, the locking member 12 is continuously rotated, the steel ball 132 retracts to a part of the through hole 1211, the third elastic member 131 is compressed, and when the locking member 12 is rotated to the vertical state, the steel ball 132 presses against the plate of the pressing cover 9, so that the pressing member 94 presses down in the direction perpendicular to the workpiece 200 and positions the fitting 100. In this way, the positioning of the accessory 100 in the side-push direction and the direction perpendicular to the workpiece 200 is completed.

According to the pressing mechanism 1, the side push handle 6 is operated to enable the side push piece 5 to link the pressing block 3 to push the accessory 100 to abut against the side wall of the recess 201 towards the accessory 100, the accessory 100 is placed in the recess 201 in the side push direction at the same time, so that the accessory 100 is accurately positioned in the side push direction, and the yield and the assembly efficiency of the accessory 100 assembled on the workpiece 200 are improved.

In addition, the pressing mechanism 1 also presses against the workpiece 200 and the fitting 100 through the pressing cover 9 and the pressing member 10, and the same applies to the position where the fitting 100 is located in the recess 201 each time in the direction perpendicular to the workpiece 200, so that the fitting 100 is further accurately positioned, and the yield and the assembly efficiency of the fitting 100 on the workpiece 200 are further improved.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the present invention as hereinafter claimed.

Claims (14)

1. A hold-down mechanism, comprising:

the supporting component is used for supporting a workpiece and is provided with a containing position, and the workpiece is provided with a recess for containing the accessory;

the pressing block is arranged at the accommodating position;

the first elastic piece is elastically connected between the side wall of the containing position and the pressing block;

the side pushing piece is inserted in the supporting component and connected with the pressing block;

the side pushes away the handle, locates support component one side, and with the side pushes away the articulated in order to promote the side pushes away a linkage the briquetting past accessory direction elastic motion promotes with elasticity the sunken lateral wall of accessory butt.

2. The hold-down mechanism of claim 1, wherein the support assembly comprises:

the supporting panel is provided with an accommodating groove for accommodating workpieces, and the accommodating position is arranged on one side of the accommodating groove;

the supporting bottom plate is arranged at intervals with the supporting panel;

the supporting columns are connected between the supporting panels and the supporting bottom plate.

3. The compaction mechanism of claim 1, wherein the compaction block comprises:

the moving body is provided with a groove, the first elastic piece is abutted against the groove, and the moving body is connected with the side pushing piece through a connecting column;

and the pressing bulge is convexly arranged at one end of the motion body and used for pushing the accessory to the side wall of the recess.

4. The clamping mechanism of claim 3,

the receiving position comprises:

a sliding groove;

the side pushing piece is inserted into the bottom groove and connected with the moving body through a connecting column, and the moving body is covered on the bottom groove;

the two convex parts are respectively arranged on the side wall of the left sliding groove and the side wall of the right sliding groove in a convex mode, and respectively form a left slideway and a right slideway with the bottom wall of the left sliding groove and the bottom wall of the right sliding groove;

the briquetting still includes: two sliding bulges are respectively connected with the left slideway and the right slideway in a sliding manner.

5. The compression mechanism of claim 1, wherein the side push handle comprises:

a first boss portion;

the second bulge part and the first bulge part form a gap at intervals, and one end of the side pushing piece is inserted into the gap;

the side pushing piece is hinged to the gap between the first protruding portion and the second protruding portion through the connecting shaft;

the first bulge part and the second bulge part are respectively connected with one end of the handle part at intervals.

6. The clamping mechanism of claim 5,

the first protruding portion and the second protruding portion are provided with eccentric holes, and the connecting shaft is hinged to the eccentric holes.

7. The compression mechanism of claim 1, further comprising a gland, the gland comprising:

a first cover plate having a positioning groove;

the second elastic piece is arranged in the positioning groove;

the second cover plate covers the first cover plate;

and the pressing part is connected with the second elastic part and penetrates through the second cover plate to press against the workpiece.

8. The pressing mechanism as claimed in claim 7, wherein said pressing member includes:

the clamping and connecting plate is clamped in the positioning groove and connected with the second elastic piece;

and the movable part is connected with the clamping plate and penetrates through the second cover plate to abut against the workpiece.

9. The clamping mechanism of claim 8, wherein said movable portion comprises:

the connecting part is connected with the clamping plate;

and the pressing convex part is convexly arranged on the connecting part and abuts against the workpiece.

10. The compression mechanism of claim 7, further comprising a crimp, the crimp comprising:

a hinge member hinged to the support assembly;

a locking member connected to the hinge member;

and the elastic component is connected with the locking piece and penetrates through the locking piece to elastically press the first cover plate.

11. The hold down mechanism of claim 10, wherein said catch member comprises:

the lock catch part is provided with a through hole for accommodating the elastic component;

and the covering part is connected with the lock catch part and covers the through hole.

12. The compression mechanism of claim 10, wherein the resilient assembly comprises:

the third elastic piece is arranged in the through hole and is abutted against the covering part;

the steel balls are arranged in the through holes, one part of the steel balls is abutted against the third elastic piece, and the other part of the steel balls extends out of the through holes to be abutted against the first cover plate;

and the gasket is arranged between the third elastic piece and the steel ball.

13. The hold-down mechanism of claim 1, further comprising a suction assembly, the suction assembly comprising:

the suction body is provided with a suction nozzle and a positioning hole, the suction nozzle is used for being communicated with an air source, and the suction nozzle is used for adsorbing the accessory and releasing the adsorbed accessory into the recess;

the fourth elastic piece is arranged in the positioning hole;

and the buffer part is abutted against the fourth elastic part, movably extends out of the positioning hole and is used for abutting against the support assembly.

14. The clamping mechanism of claim 13, further comprising:

the bearing plate is fixedly connected with the support assembly and is provided with an accommodating groove matched with the accessory so as to accommodate the accessory;

and the positioning column is convexly arranged on the bearing plate and used for positioning the material sucking assembly so that the material sucking module can suck the accessory.

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