Jig for copper nut taking and in-mold inlaying

By designing fixtures for components such as limiting claws, positioning plates and clamping claws, the problem of chuck deformation during copper nut inlay is solved, stable clamping and buffering is achieved, and the stability and service life of the equipment are improved.

CN120269766AActive Publication Date: 2025-07-08EWATT ROBOT EQUIP CO LTD
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Patent Information

Application Number
CN202510763965.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-10
Publication Date
2025-07-08
Estimated Expiration
2045-06-10

AI Technical Summary

Technical Problem

During the inlaying of copper nuts in the mold, the chuck is prone to deformation and cause the center of the screw sleeve to shift, causing equipment damage.

Method used

A fixture including an inlay module and a material extraction module is designed, using components such as limiting claws, positioning plates, clamping claws and cylinders. The sliding claws are engaged with the claw body to form a composite claw, and combined with the buffer sleeve and push arm structure to achieve stable clamping and cushioning and avoid deformation of the chuck.

Benefits of technology

The improved device avoids clamping offset through the composite claw structure, enhances stability, reduces equipment damage, and improves the stability and life of equipment operation.

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Abstract

The invention relates to the field of mold auxiliary jigs, in particular to a jig for copper nut taking and in-mold inlaying, which is structurally characterized in that a limiting claw comprises a synchronous plate, a first clamping claw is arranged on the surface of the synchronous plate, a second clamping claw is nested at the bottom of the first clamping claw, and the second clamping claw is mechanically connected with the first clamping claw; according to the improved device, a sliding claw and a claw body are clamped to form a composite claw, the contact area is enough during clamping, deviation is avoided, a gap between the claw body and the sliding claw can be controlled under the condition that part of copper nuts are long, attachment is more stable, a third pushing arm and a second pushing arm are matched to jointly push a first pushing arm, and the clamping effect is better. The strength is higher during jacking, the first pushing arm and the second sliding rod are connected through the buffering sleeve, buffering can be achieved during jacking collision, the claw body and the sliding claw are independently separated, damage to components in the air cylinder caused by jacking force can be avoided, and the whole component runs more stably.
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Description

Technical Field

[0001] The present invention is a fixture for copper nut material taking and in-mold embedding, belonging to the field of mold auxiliary fixtures. Background Art

[0002] The copper nut material taking and in-mold embedding fixture is a special tool for accurately embedding copper nuts into plastic or metal parts. Its core functions include: automatic material taking and positioning, realizing automatic grasping, accurate positioning and direction correction of copper nuts through mechanical structures or pneumatic devices, and being compatible with in-mold embedding and post-processing: supporting direct embedding (in-mold embedding) during the injection molding process, or performing secondary processing such as hot melting and ultrasonic on the already formed plastic parts.

[0003] When performing pre-embedding, it is necessary to move the copper nut to the designated position of the mold. In order to prevent deviation, guide rods need to be installed in the mold to limit the copper bushing. When moving to the installation position, the bushing will deviate. Therefore, it is necessary to move and press it with a chuck after installation, which will cause the chuck to deform over time. The deformed chuck will cause the center of the bushing to deviate, resulting in subsequent equipment damage. Summary of the Invention

[0004] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a fixture for copper nut material taking and in-mold embedding to solve the above problems.

[0005] To achieve the above purpose, the present invention is realized through the following technical solutions: A fixture for copper nut material taking and in-mold embedding, its structure includes: an embedding module, a material taking module is arranged on the top of the embedding module, the embedding module and the material taking module form a frame connection regulator, the embedding module includes a limiting claw that moves left and right, a positioning plate for support is arranged in the middle of the limiting claw, the positioning plate is connected to the limiting claw through a pusher on the surface, and the top of the positioning plate is connected to the material taking module; An expander is arranged on the surface of the bottom plate of the material taking module, the expander nests an active limiting plate, and the limiting plate is connected to a push rod arranged at the bottom of the bottom plate; The limiting claw includes a synchronous plate, a first clamping claw is arranged on the surface of the synchronous plate, a second clamping claw is nested at the bottom of the first clamping claw, the second clamping claw includes an auxiliary chuck, a second sliding rod is nested in the moving hole of the claw body of the auxiliary chuck, a first push arm is arranged in the middle of the second sliding rod, and the synchronous rod of the second clamping claw drives the first push arm to rotate, driving the second clamping claw to be movably connected to the sliding claw of the first clamping claw.

[0006] Preferably, a positioning rod is arranged at the bottom of the positioning plate, the limiting claw is installed on both sides of the positioning plate through a first sliding rod, and a detection arm is arranged at the bottom of the first sliding rod.

[0007] Preferably, the material taking module includes a support, in the middle of which an air rod is fixed, and an expansion head is installed at the top of the air rod, and the expansion head communicates with the inner cavity of the air rod.

[0008] Preferably, the limiting claw includes a cylinder, at the bottom of which a sliding seat is fixed. An activity groove is provided at the bottom of the sliding seat, and symmetrically arranged sliding claws are installed in the activity groove. A first limiting groove is provided on the surface of the sliding claw, and a through second limiting groove is provided in the middle of the first limiting groove, and the second limiting groove is movably connected with the second clamping claw.

[0009] Preferably, the second clamping claw includes a reduction motor fixed to the sliding seat. The reduction motor is connected with a support, and an expansion head is arranged on the surface of the support, and the expansion head is nested and matched with the first limiting groove.

[0010] Preferably, one side of the synchronous rod is connected with a reduction motor, and the reduction motor rotates the synchronous rod to drive the auxiliary chuck to move horizontally.

[0011] Preferably, the first push arm is connected with the synchronous rod through a nested second push arm.

[0012] Preferably, rotating shafts are installed on both sides of the second push arm to support the rotation of the second push arm through the rotating shafts. A rod body is provided on the surface of the first push arm, and a third push arm is arranged between the rotating shaft seat and the second push arm.

[0013] Preferably, protrusions are provided on the surface of the claw body.

[0014] Preferably, the second sliding rod is connected with the first push arm through a buffer sleeve, and the axis of the buffer sleeve coincides with the axis of the movable shaft of the first push arm.

[0015] A fixture for taking copper nuts and in-mold inlaying according to the present invention has the following effects: The improved device forms a composite claw by the engagement of the sliding claw and the claw body. When clamping, there is enough contact area to avoid its deviation, and when some copper nuts are relatively long, the gap between the claw body and the sliding claw can be controlled, and the attachment is more stable.

[0016] The third push arm and the second push arm cooperate to jointly push the first push arm, and the strength is greater when pressing. The first push arm and the second sliding rod are connected through a buffer sleeve, and can buffer when pressing and hitting. Since the claw body and the sliding claw are independently separated, it can avoid damage to the internal components of the cylinder caused by the pressing force, and make the overall components operate more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present invention will become more apparent by reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1Schematic structural diagram of a fixture for copper nut material taking and in-mold inlaying according to the present invention.

[0018] Figure 2 Schematic structural diagram of the inlay module and the material taking module of the present invention.

[0019] Figure 3 Schematic structural diagram of the limit claw of the present invention.

[0020] Figure 4 Schematic structural diagram of the second clamping claw of the present invention.

[0021] Figure 5 Schematic structural diagram of the first clamping claw of the present invention.

[0022] Figure 6 Schematic structural diagram of the auxiliary chuck of the present invention.

[0023] Figure 7 Schematic structural diagram of the expander of the present invention.

[0024] In the figure: 1. Inlay module; 2. Material taking module; 3. Regulator; 11. Limit claw; 12. Positioning plate; 13. Pusher; 14. First slide bar; 15. Detection arm; 16. Positioning rod; 21. Base plate; 22. Expander; 23. Limit plate; 24. Push rod; 101. First clamping claw; 102. Second clamping claw; 103. Synchronous plate; 111. Cylinder; 112. Slide seat; 113. Slide claw; 114. First limit groove; 115. Second limit groove; 201. Claw body; 202. Second slide bar; 203. Buffer sleeve; 204. First push arm; 205. Second push arm; 206. Rotating shaft seat; 207. Third push arm; 211. Auxiliary chuck; 212. Synchronous rod; 213. Reduction motor; 221. Expansion head; 222. Support; 223. Air rod. Detailed implementation manners

[0025] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0026] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0027] When moving to the installation position, the screw sleeve will be offset. Therefore, it is necessary to move and press it with a chuck after installation. After a long time, the chuck will be deformed. The deformed chuck will cause the center of the screw sleeve to be offset, resulting in subsequent equipment damage. Therefore, to solve the above problems, the following technical solutions are proposed in this case: Please refer to Figures 1 to 7, the present invention provides a fixture technical solution for copper nut material taking and in-mold inlaying: Its structure includes: an inlay module 1, a material taking module 2 is arranged on the top of the inlay module 1, and a frame connection regulator 3 is formed between the inlay module 1 and the material taking module 2. The inlay module 1 includes a limiting claw 11 that moves left and right. A positioning plate 12 for support is arranged in the middle of the limiting claw 11. The positioning plate 12 is connected to the limiting claw 11 through a pusher 13 on the surface. The top of the positioning plate 12 is connected to the material taking module 2. An expander 22 is arranged on the surface of the bottom plate 21 of the material taking module 2. The expander 22 nests an active limiting plate 23. The limiting plate 23 is connected to a push rod 24 arranged at the bottom of the bottom plate 21. The limiting claw 11 includes a synchronous plate 103. A first clamping claw 101 is arranged on the surface of the synchronous plate 103. A second clamping claw 102 is nested at the bottom of the first clamping claw 101. The second clamping claw 102 includes an auxiliary chuck 211. A second sliding rod 202 is nested in the moving hole of the claw body 201 of the auxiliary chuck 211. A first push arm 204 is arranged in the middle of the second sliding rod 202. The synchronous rod 212 of the second clamping claw 102 drives the first push arm 204 to rotate, driving the second clamping claw 102 to be movably connected to the sliding claw 113 of the first clamping claw 101.

[0028] When in use: The regulator 3 of this device is used to control the rotation and elevation angle of the limiting claw 11. The inlay module 1 is used for taking copper nuts, and the top is used for taking workpieces after injection molding.

[0029] Specifically, the material taking module 2 includes a bottom plate 21. More than two expanders 22 are installed on the surface of the bottom plate 21. A push rod 24 is arranged at the bottom of the bottom plate 21. The push rod 24 is connected to the limiting plate 23. The surface of the limiting plate 23 is provided with holes matching the expanders 22. The expanders 22 are used to be stuck into the pipe fittings. The structure of the expander 22 includes an air rod 223 connected to an air pipe. A support 222 is arranged on the surface of the air rod 223 for installation. An expansion head 221 is arranged at the top of the air rod 223. The expansion head 221 can expand when air flow is injected into the air rod 223. Then, when it is stuck into the mouth of the pipe fitting after injection molding, the expansion of the expansion head 221 can play a role in limiting and clamping.

[0030] The structure of the inlay module 1 includes a limiting claw 11. A positioning plate 12 is installed in the middle of the limiting claw 11. Two first sliding rods 14 are installed on both sides of the positioning plate 12 and are connected to the limiting claw 11 through the first sliding rods 14. A pusher 13 for driving the limiting claw 11 is also installed on the surface of the positioning plate 12. When the pusher 13 pushes the limiting claw 11 to move, it will slide on the surface of the first sliding rod 14. At the same time, the first sliding rod 14 can play a role in limiting. A detection arm 15 is arranged at the bottom of the first sliding rod 14. The detection arm 15 is used to detect the distance at the bottom to avoid deformation of the limiting claw 11 caused by excessive pressure. A positioning rod 16 for positioning is also arranged at the bottom of the positioning plate 12. The positioning rod 16 cooperates with the slot holes in the mold to improve the positioning accuracy.

[0031] The limiting claw 11 is connected to the pusher 13 through the synchronous plate 103 at the back end. A plurality of first clamping claws 101 are installed on the synchronous plate 103. The first clamping claws 101 control the second clamping claws 102 at the bottom to perform clamping. The second clamping claws 102 are used for the embedding work of copper nuts. The synchronous rod 212 is driven by the reduction motor 213 to move the auxiliary chuck 211 to protect the sliding claw 113 at the bottom of the air cylinder 111.

[0032] Specifically, a pneumatic component is provided inside the air cylinder 111. When air flow is injected, the piston inside moves, driving the connecting rod to make the sliding claw 113 slide along the sliding seat 112 for clamping. A first limiting groove 114 and a second limiting groove 115 are formed on the surface of the sliding claw 113. The first limiting groove 114 is used to reduce the overall thickness, making the integrity stronger after installing the auxiliary chuck 211. The second limiting groove 115 is used for the nesting of the auxiliary chuck 211. The claw body 201 of the auxiliary chuck 211 is snapped into the second limiting groove 115 and is movably connected, enabling buffering when adjusting the threaded sleeve.

[0033] The structure of the auxiliary chuck 211 includes a claw body 201. The claw body 201 is installed on both sides of the second sliding rod 202 of the first push arm 204. The claw body 201 is slidably matched with the surface of the second sliding rod 202. A buffer sleeve 203 is also nested between the first push arm 204 and the second sliding rod 202. The limiting plate 23 is made of rubber material and can play a buffering role. A second push arm 205 is also nested on the surface of the first push arm 204. The second push arm 205 is installed between the rotating shaft seats 206, and a third push arm 207 is also installed between the rotating shaft seats 206. The third push arm 207 is nested with the rod body on the surface of the first push arm 204.

[0034] During use: The driving motor of the regulator 3 can make the material taking module 2 and the embedding module 1 rotate and reverse. The copper nut is placed on the frame. The regulator 3 controls the embedding module 1 to flip. After flipping, the limiting claw 11 clamps the copper nut.

[0035] When the air cylinder 111 pushes the sliding claw 113 to move and clamp, the surface of the claw body 201 slides synchronously.

[0036] When reaching the injection molding area for pre-embedding the copper nut, the limiting claw 11 is flipped to the specified position, air flow is injected into the pusher 13, driving the push rod of the pusher 13 to press, making the limiting claw 11 translate along the first sliding rod 14, and the copper nut is stuck at the outer end of the mold.

[0037] Then the reduction motor 213 starts. There is a gear set inside the reduction motor 213, which can drive the synchronous rod 212 to rotate. The synchronous rod 212 is engaged with the third push arm 207 and the second push arm 205. The third push arm 207 drives the rod on the surface of the first push arm 204, which can increase the pushing torque.

[0038] The first push arm 204 drives the claw 201 at the front end to rotate through the second slide rod 202, thereby enabling the copper nut to move flexibly inside the mold. Compared with directly placing it with the sliding claw 113, frequent impacts are required for installation.

[0039] After being pushed by the claw 201 for rapid alignment, the claw 201 then expands under the action of the sliding claw 113. After expansion, the first push arm 204 drives the claw 201 to retract, and then the sliding claw 113 clamps again. By rotating the synchronous rod 212 reciprocally through the reduction motor 213, the auxiliary chuck 211 moves so that the copper nut can be pushed into the limiting rod of the mold.

[0040] After injection molding, the regulator 3 rotates to align the material taking module 2 with the position of the mold. The expander 22 is engaged with the pipe fitting. After engagement, the air injection head 221 of the expander expands by injecting air, and then the whole moves to take out the mold.

[0041] The improved device forms a composite claw through the engagement of the sliding claw 113 and the claw 201. When clamping, there is enough contact area to prevent it from shifting, and when some copper nuts are relatively long, the gap between the claw 201 and the sliding claw 113 can be controlled, making the attachment more stable.

[0042] Through the cooperation of the third push arm 207 and the second push arm 205, they jointly push the first push arm 204, with greater strength during pressing. And the first push arm 204 and the second slide rod 202 are connected by a universal buffer sleeve 203, which can buffer during pressing impacts. Since the claw 201 and the sliding claw 113 are independently separated, it can prevent the pressing force from damaging the internal components of the cylinder 111, making the overall components operate more stably.

[0043] Only the basic principles and preferred embodiments of the present invention are described above. Those skilled in the art can make many changes and improvements based on the above description, and these changes and improvements should fall within the protection scope of the present invention.

[0044] In addition, it should be understood that although this specification is described according to embodiments, not each embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fixture for copper nut material taking and in-mold inlaying, the structure of which comprises: Inlay module (1), a material taking module (2) is provided on the top of the inlay module (1), and a frame connection regulator (3) is formed by the inlay module (1) and the material taking module (2), characterized in that: The inlay module (1) includes limit claws (11) that move left and right. A positioning plate (12) for support is provided in the middle of the limit claws (11). The positioning plate (12) is connected to the limit claws (11) through a pusher (13) on the surface. The top of the positioning plate (12) is connected to the material taking module (2); An expander (22) is provided on the surface of the bottom plate (21) of the material taking module (2). The expander (22) nests an active limit plate (23). The limit plate (23) is connected to a push rod (24) provided at the bottom of the bottom plate (21); The limit claws (11) include a synchronous plate (103). A first clamping claw (101) is provided on the surface of the synchronous plate (103). A second clamping claw (102) is nested at the bottom of the first clamping claw (101). The second clamping claw (102) includes an auxiliary chuck (211). A second sliding rod (202) is nested in the moving hole of the claw body (201) of the auxiliary chuck (211). A first push arm (204) is provided in the middle of the second sliding rod (202). The synchronous rod (212) of the second clamping claw (102) drives the first push arm (204) to rotate, driving the second clamping claw (102) to be movably connected to the sliding claw (113) of the first clamping claw (101).

2. The fixture for copper nut material taking and in-mold inlay according to claim 1, characterized in that: A positioning rod (16) is provided at the bottom of the positioning plate (12). The limit claws (11) are installed on both sides of the positioning plate (12) through a first sliding rod (14). A detection arm (15) is provided at the bottom of the first sliding rod (14).

3. The fixture for copper nut material taking and in-mold inlay according to claim 1, wherein: The material taking module (2) includes a support (222). An air rod (223) is fixed in the middle of the support (222). An expansion head (221) is installed at the top of the air rod (223). The expansion head (221) communicates with the inner cavity of the air rod (223).

4. The fixture for copper nut material taking and in-mold inlay according to claim 1, characterized in that: The limit claws (11) include a cylinder (111). A sliding seat (112) is fixed at the bottom of the cylinder (111). An active groove is provided at the bottom of the sliding seat (112). Symmetrically arranged sliding claws (113) are installed in the active groove. A first limit groove (114) is provided on the surface of the sliding claws (113). A through second limit groove (115) is provided in the middle of the first limit groove (114). The second limit groove (115) is movably connected to the second clamping claw (102).

5. The fixture for copper nut material taking and in-mold inlay as described in claim 1, characterized in that: The second clamping claw (102) includes a reduction motor (213) fixed to the sliding seat (112). The reduction motor (213) is connected to a support (222). An expansion head (221) is provided on the surface of the support (222). The expansion head (221) is nested and matched with the first limit groove (114).

6. The jig for copper nut material taking and in-mold inlay according to claim 5, characterized in that: One side of the synchronous rod (212) is connected to a reduction motor (213). The reduction motor (213) rotates the synchronous rod (212) to drive the auxiliary chuck (211) to move horizontally.

7. The fixture for copper nut material taking and in-mold inlay according to claim 1, characterized in that: The first push arm (204) is connected to the synchronizing rod (212) through a nested second push arm (205).

8. The jig for copper nut material taking and in-mold inlay according to claim 7, characterized in that: Rotating shafts seats (206) are installed on both sides of the second push arm (205), and the second push arm (205) is supported to rotate through the rotating shafts seats (206). A rod body is provided on the surface of the first push arm (204), and a third push arm (207) is provided between the rotating shafts seat (206) and the second push arm (205).

9. A fixture for copper nut material taking and in-mold inlay, as described in claim 7, wherein: Protrusions are provided on the surface of the claw body (201).

10. A fixture for copper nut material taking and in-mold inlay, as described in claim 7, wherein: The second sliding rod (202) is connected to the first push arm (204) through a buffer sleeve (203), and the axis of the buffer sleeve (203) coincides with the axis of the movable shaft of the first push arm (204).

Citation Information

Patent Citations

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