Jig suitable for hinge inner strip assembly and assembling device adopting jig

Abstract

The invention discloses a jig suitable for a hinge inner strip assembly and an assembling device adopting the jig. The assembling device comprises a rotating disc, a lock catch feeding station, a torsional spring feeding station, a detection station, an inner strip feeding station, a nail penetrating station, a rivet station and a discharging station, wherein the lock catch feeding station, the torsional spring feeding station, the detection station, the inner strip feeding station, the nail penetrating station, the rivet station and the discharging station are arranged in the rotating direction of the rotating disc. A plurality of jigs capable of containing inner strip assemblies are arranged on the rotating disc corresponding to the stations, a lock catch feeding mechanism is arranged on the lock catch feeding station, a torsional spring feeding mechanism is arranged on the torsional spring feeding station, a detection mechanism is arranged on the detection station, an inner strip feeding mechanism is arranged on the inner strip feeding station, and a nail penetrating mechanism is arranged on the nail penetrating station. The riveting station is provided with a riveting mechanism, and the discharging station is provided with a discharging mechanism. The production efficiency can be effectively improved, manpower is greatly reduced, and the production cost of products is reduced; while the productivity is improved, the quality of the inner strip assembly can be effectively improved, the product consistency can be effectively improved, and the competitive strength of the industry is improved.

Description

Technical Field

[0001] The invention relates to the technical field of hinge assembly, and in particular to a jig suitable for a hinge inner strip component and an assembly device using the jig. Background Art

[0002] A hinge is a mechanical device used to connect two relatively independent solids and enable them to rotate relative to each other. A hinge is a very commonly used furniture door connector. It uses the principle of active hinges to allow the door to be opened or closed around an axis. The hinge is mainly assembled from a cup head, a rocker arm, an arm body, a triangle, a laminate, a base, a U-shaped nail, a damping tube, a torsion spring, a plastic round tube, a number of connecting nails and screws. The hydraulic hinge uses high-density oil flowing in the damping tube to achieve a buffering effect, so that the door will close gently even if it is closed forcefully. When the inner strip assembly is pre-assembled, the connections of each component need to be positioned so that the matching connection holes and screw holes of the lock buckle, torsion spring, inner strip and connecting nail are aligned, and then the components are assembled into one through the connecting nails, collectively known as the inner strip assembly.

[0003] The patent number CN214692042U applied by the applicant discloses a feeding mechanism for the inner strip assembly of a hinge, including: a feeding slide, the feeding slide includes a plurality of bottom support strips and a top pressure strip, the inner strip assembly is slidably arranged between the bottom support strip and the top pressure strip, the bottom support strips are respectively matched with at least two recesses on the bottom surface of the inner strip assembly to limit and align the inner strip assembly, the end of the bottom support strip located on the lower side of the laminate of the inner strip assembly is more inclined downward than other bottom support strips, so that when the inner strip assembly slides to the end in the feeding slide, the laminate of the inner strip assembly rotates to face downward; the inner strip clamp, the inner strip clamp clamps the inner strip assembly located at the end of the feeding slide onto the jig. The utility model can adjust and maintain the angle of the laminate and then clamp the material for the next step of assembly, making the positioning assembly more efficient and stable. However, this patent is not applicable to the assembly of the inner strip assembly, and it can only be used after the inner strip assembly is assembled.

[0004] Due to the special structure of these parts, they are currently usually assembled manually, and the assembly yield and efficiency are low. Therefore, it is necessary to develop an assembly device suitable for the hinge inner strip assembly. Summary of the invention

[0005] The technical problem to be solved by the embodiments of the present invention is to provide a jig suitable for a hinge inner strip assembly and an assembling device using the jig.

[0006] In order to solve the above technical problems, an embodiment of the present invention provides a jig suitable for a hinge inner strip assembly, wherein the inner strip assembly includes a lock, a torsion spring, an inner strip and a connecting pin, and the jig includes a base and a positioning column, wherein the base has a first positioning area adapted to the shape of the lock, a second positioning area adapted to the shape of the torsion spring, and a third positioning area adapted to the shape of the inner strip, and the positioning column is arranged on the base, and the positioning column matches the positioning hole of the inner strip.

[0007] The embodiment of the present invention further provides an assembly device for a hinge inner strip assembly, the assembly device adopts the jig as claimed in claim 1, and further comprises a rotating disk and a lock buckle loading station, a torsion spring loading station, an inner strip loading station, a nailing station, a rivet station and a discharging station arranged along the rotating direction of the rotating disk;

[0008] The rotating disk is provided with a plurality of jigs for accommodating the inner strip assembly corresponding to each station, the lock buckle loading station is provided with a lock buckle loading mechanism for transporting and placing the lock buckle on the jig, the torsion spring loading station is provided with a torsion spring loading mechanism for transporting and placing the torsion spring on the jig, the inner strip loading station is provided with an inner strip loading mechanism for transporting and placing the inner strip on the jig, the nailing station is provided with a nailing mechanism for connecting the lock buckle, the torsion spring and the inner strip through the connecting nail, the rivet station is provided with a rivet mechanism for riveting the connecting nail, and the discharging station is provided with a discharging mechanism for discharging the inner strip assembly;

[0009] The lock feeding mechanism, the torsion spring feeding mechanism and the inner strip feeding mechanism all have a slideway for transmission, a material waiting jig for transfer and a clamping claw assembly for transporting to the rotating disk.

[0010] Furthermore, the torsion spring feeding mechanism includes a torsion spring vibration disk, a torsion spring slide, a torsion spring material jig and a torsion spring clamping jaw assembly arranged on one side of the jig, a translation member is arranged on the torsion spring material jig, and the translation member translates the torsion spring to a predetermined position, and the torsion spring clamping jaw assembly includes a pair of torsion spring clamping blocks that can move closer or farther, and the shapes of the opposite end surfaces of the torsion spring clamping blocks match the shape of the torsion spring, the input end of the torsion spring slide is connected to the torsion spring vibration disk, and the output end of the torsion spring slide is connected to the torsion spring material jig, the torsion spring slides from the torsion spring vibration disk to the torsion spring material jig through the torsion spring slide, and the torsion spring clamping jaw assembly clamps the torsion spring at a predetermined position on the torsion spring material jig and transports it to be placed on the jig.

[0011] Furthermore, the lock feeding mechanism includes a lock vibration plate, a lock slide, a lock waiting material jig and a lock clamping claw assembly arranged on one side of the jig, the lock waiting material jig has a liftable lock lifting block, the lock clamping claw assembly includes a pair of lock clamping blocks that can move close to or away from each other, the shapes of the opposite end surfaces of the lock clamping blocks match the shape of the lock, the input end of the lock slide is connected to the lock vibration plate, and the output end of the lock slide is connected to the lock waiting material jig, the lock slides from the lock vibration plate to the lock waiting material jig through the lock slide, and the lock clamping claw assembly clamps the lock lifted by the lock lifting block and transports it to be placed on the jig.

[0012] Furthermore, it also includes a detection station, which is provided with a detection mechanism for detecting whether the torsion spring is placed in a correct position. The detection mechanism includes a detection block that can be raised and lowered above the jig, and the detection block descends to detect whether the torsion spring is placed in a correct position.

[0013] Furthermore, the inner strip feeding mechanism includes an inner strip vibrating disk, an inner strip slide, an inner strip waiting jig and an inner strip clamping assembly arranged on one side of the jig, the inner strip waiting jig having a liftable inner strip lifting block, the inner strip clamping assembly including a pair of inner strip clamping blocks that can move closer or farther away, the shapes of the opposite end faces of the inner strip clamping blocks match the shape of the inner strip, the input end of the inner strip slide is connected to the inner strip vibrating disk, the output end of the inner strip slide is connected to the inner strip waiting jig, the inner strip slides from the inner strip vibrating disk to the inner strip waiting jig through the inner strip slide, the inner strip clamping assembly clamps the inner strip lifted by the inner strip lifting block and transports it to be placed on the jig.

[0014] Furthermore, the nailing mechanism includes a first inner strip limit block which can be raised and lowered above the jig, a needle guide assembly and a nailing assembly which are arranged on both sides of the jig; the needle guide assembly has a retractable needle guide, and the nailing assembly has a chuck which cooperates with the needle guide, and the chuck is used to output the connecting nail, the first inner strip limit block descends to press the inner strip, and the needle guide assembly guides the connecting nail of the nailing assembly to pass through the connecting hole of the inner strip, the lock buckle and the torsion spring.

[0015] Furthermore, the rivet mechanism includes a second inner strip limit block which can be raised and lowered above the jig, and a rivet machine and a pin which are arranged on both sides of the jig; the second inner strip limit block descends to press the inner strip, and the pin cooperates with the rivet machine to rivet the connecting pin.

[0016] Furthermore, the discharging mechanism includes a finished product discharging jaw assembly, a defective product discharging jaw assembly, a finished product discharging chute and a defective product discharging chute, which are arranged on one side of the jig; the finished product discharging jaw assembly clamps the inner strip assembly on the jig and moves to above the finished product discharging chute, releases the inner strip assembly and discharges the product through the finished product discharging chute; the defective product discharging jaw assembly clamps the inner strip assembly on the jig and moves to above the defective product discharging chute, releases the inner strip assembly and discharges the product through the defective product discharging chute.

[0017] Implementing the embodiments of the present invention has the following beneficial effects:

[0018] The lock buckle and torsion spring of the inner strip assembly are placed on the jig and tested, and then the inner strip and connecting pins are loaded and riveted respectively, and the finished products and defective products are picked out by the discharging mechanism;

[0019] By sequentially arranging a lock feeding mechanism, a torsion spring feeding mechanism, a detection mechanism, an inner strip feeding mechanism, a nailing mechanism, a rivet mechanism and a discharging mechanism on the rotating disk, not only can the production efficiency be effectively improved, but also the manpower can be greatly reduced and the product production cost can be reduced; while increasing the production capacity, it can effectively improve the quality of the inner strip components, effectively improve product consistency, and enhance the industry's competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of each workstation in an embodiment of the present invention;

[0021] Figure 2 Schematic diagram of each mechanism of an embodiment of the present invention;

[0022] Figure 3 is a schematic diagram of the structure of a rotating disk according to an embodiment of the present invention;

[0023] Figure 4 is a schematic diagram of the structure of a metallurgical tool according to an embodiment of the present invention;

[0024] Figure 5 is a schematic diagram of a fixture for placing a lock buckle and a torsion spring according to an embodiment of the present invention;

[0025] Figure 6 It is a schematic diagram of the structure of a jig for placing inner strips according to an embodiment of the present invention;

[0026] Figure 7 is a schematic structural diagram of an inner strip assembly according to an embodiment of the present invention;

[0027] Figure 8 is a schematic diagram of a lock buckle feeding mechanism according to an embodiment of the present invention;

[0028] Fig. 9 Schematic diagram of a locking material preparation jig and a locking jaw assembly according to an embodiment of the present invention;

[0029] Fig.10 Schematic diagram of a torsion spring feeding mechanism according to an embodiment of the present invention;

[0030] Fig.11 Schematic diagram of a torsion spring material fixture and a torsion spring clamping jaw assembly according to an embodiment of the present invention;

[0031] Fig.12 is a schematic diagram of a detection mechanism according to an embodiment of the present invention;

[0032] Fig.13 Schematic diagram of the inner strip feeding mechanism of an embodiment of the present invention;

[0033] Fig.14 Schematic diagram of an inner strip material preparation jig and an inner strip clamping jaw assembly according to an embodiment of the present invention;

[0034] Fig.15 is a schematic diagram of a nail-piercing mechanism according to an embodiment of the present invention;

[0035] Fig.16 is a schematic diagram of a rivet mechanism according to an embodiment of the present invention;

[0036] Fig.17 Schematic diagram of a discharging mechanism according to an embodiment of the present invention;

[0037] In the figure:

[0038] A. Lock buckle loading station, B. Torsion spring loading station, C. Inspection station, D. Inner strip loading station, E. Nail piercing station, F. Rivet station, G. Discharging station, 1. Rotating disk, 11. Fixture, 111. Base, 1111. First positioning area, 1112. Second positioning area, 1113. Third positioning area, 112. Positioning column, 2. Lock buckle loading mechanism, 21. Lock buckle vibration disk, 22. Lock buckle slideway, 23. Lock buckle waiting material fixture, 231. Lock buckle lifting block, 24. Lock buckle clamping jaw assembly, 241. Lock buckle clamping block, 3. Torsion spring loading mechanism, 31. Torsion spring vibration disk, 32. Torsion spring slideway, 33. Torsion spring waiting material fixture, 331. Translation part, 34. Torsion spring clamping jaw assembly, 341. Torsion spring clamping block, 4. Inspection Mechanism, 41. Detection block, 5. Inner strip feeding mechanism, 51. Inner strip vibrating plate, 52. Inner strip slide, 53. Inner strip waiting jig, 531. Inner strip lifting block, 54. Inner strip clamping jaw assembly, 541. Inner strip clamping block, 6. Nail insertion mechanism, 61. First inner strip limit block, 62. Lead needle assembly, 621. Lead needle, 63. Nail assembly, 631. Chuck, 7. Rivet mechanism, 71. Second inner strip limit block, 72. Rivet machine, 73. Pin, 8. Discharging mechanism, 81. Finished product discharging jaw assembly, 82. Defective product discharging jaw assembly, 83. Finished product discharging slide, 84. Defective product discharging slide, 9. Inner strip assembly, 91. Lock, 92. Torsion spring, 93. Inner strip, 931. Positioning hole, 94. Connecting nail. DETAILED DESCRIPTION

[0039] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings.

[0040] like Figure 1-7As shown, an assembly device for an inner strip assembly of a hinge, the inner strip assembly 9 includes a lock buckle 91, a torsion spring 92, an inner strip 93 and a connecting nail 94, and the assembly device includes a rotating disk 1 and a lock buckle feeding station A, a torsion spring feeding station B, a detection station C, an inner strip feeding station D, a nailing station E, a rivet station F and a discharging station G arranged along the rotation direction of the rotating disk 1; a plurality of jigs 11 for accommodating the inner strip assembly 9 are arranged on the rotating disk 1 corresponding to each station, the lock buckle feeding station A is provided with a lock buckle feeding mechanism 2 for transporting the lock buckle and placing it on the jig 11, and the torsion spring feeding station B is provided with a lock buckle feeding mechanism 2 for transporting the lock buckle and placing it on the jig 11. A torsion spring feeding mechanism 3 is provided for transporting and placing the torsion spring 92 on the jig 11, a detection mechanism 4 is provided at the detection station C for detecting whether the placement position of the torsion spring 92 is correct, an inner strip feeding mechanism 5 is provided at the inner strip feeding station D for transporting and placing the inner strip on the jig 11, a nailing mechanism 6 is provided at the nailing station E for connecting the lock 91, the torsion spring 92 and the inner strip 93 through the connecting nail 94, a rivet station F is provided for riveting the connecting nail 94, and a discharging mechanism 8 is provided at the discharging station G for discharging the inner strip assembly 9. By sequentially arranging the lock buckle feeding mechanism 2, the torsion spring feeding mechanism 3, the detection mechanism 4, the inner strip feeding mechanism 5, the nailing mechanism 6, the rivet mechanism 7 and the discharging mechanism 8 on the rotating disk 1, not only can the production efficiency be effectively improved, but also the manpower can be greatly reduced and the product production cost can be reduced; while improving the production capacity, the quality of the inner strip assembly 9 can be effectively improved, the product consistency can be effectively improved, and the industry competitiveness can be enhanced.

[0041] like Figure 4-6 As shown, a jig 11 suitable for a hinge inner strip assembly, the jig 11 includes a base 111 and a positioning column 112, the base 111 has a first positioning area 1111 adapted to the shape of the lock buckle 91, a second positioning area 1112 adapted to the shape of the torsion spring 92, and a third positioning area 1113 adapted to the shape of the inner strip 93, the positioning column 112 is arranged on the base 111, and the positioning column 112 matches the positioning hole 931 of the inner strip 93.

[0042] like Figure 8 and 9 As shown, the lock feeding mechanism 2 includes a lock vibration plate 21, a lock slide 22, a lock waiting material fixture 23 and a lock clamping claw assembly 24 arranged on one side of the fixture 11. The lock waiting material fixture 23 has a lock lifting block 231 that can be raised and lowered. The lock clamping claw assembly 24 includes a pair of lock clamping blocks 241 that can move close to or away from each other. The shapes of the opposite end surfaces of the lock clamping blocks 241 match the shape of the lock 91. The input end of the lock slide 22 is connected to the lock vibration plate 21, and the output end of the lock slide 22 is connected to the lock waiting material fixture 23. The lock 91 slides from the lock vibration plate 21 to the lock slide 22 onto the lock waiting material fixture 23. The lock clamping claw assembly 24 clamps the lock 91 lifted by the lock lifting block 231 and transports it to be placed on the fixture 11.

[0043] like Fig.10 and 11 As shown, the torsion spring feeding mechanism 3 includes a torsion spring vibration disk 31, a torsion spring slideway 32, a torsion spring material preparation jig 33 and a torsion spring clamping jaw assembly 34 arranged on one side of the jig 11. A translation member 331 is arranged on the torsion spring material preparation jig 33, and the translation member 331 translates the torsion spring 92 to a predetermined position. The torsion spring clamping jaw assembly 34 includes a pair of torsion spring clamping blocks 341 that can move close to or away from each other. The shapes of the opposite end surfaces of the torsion spring clamping blocks 341 match the shape of the torsion spring 92. The input end of the torsion spring slideway 32 is connected to the torsion spring vibration disk 31, and the output end of the torsion spring slideway 32 is connected to the torsion spring material preparation jig 33. The torsion spring 92 slides from the torsion spring vibration disk 31 to the torsion spring material preparation jig 33 through the torsion spring slideway 32. The torsion spring clamping jaw assembly 34 clamps the torsion spring 92 at a predetermined position on the torsion spring material preparation jig 33 and transports it to be placed on the jig 11.

[0044] like Fig.12 As shown, the detection mechanism 4 includes a detection block 41 which can be lifted and lowered above the jig 11. The detection block 41 descends to detect whether the torsion spring 92 is correctly placed. According to the detection result, the inner strip feeding station C, nailing station E and rivet station F can be skipped and the material can be discharged directly from the discharge station G.

[0045] like Fig.13 and 14 As shown, the inner strip feeding mechanism 5 includes an inner strip vibrating disk 51, an inner strip slide 52, an inner strip waiting jig 53 and an inner strip clamping assembly 54 arranged on one side of the jig 11. The inner strip waiting jig 53 has a liftable inner strip lifting block 531. The inner strip clamping assembly 54 includes a pair of inner strip clamping blocks 541 that can move closer or farther away. The shapes of the opposite end surfaces of the inner strip clamping blocks 541 match the shape of the inner strip 93. The input end of the inner strip slide 52 is connected to the inner strip vibrating disk 51, and the output end of the inner strip slide 52 is connected to the inner strip waiting jig 53. The inner strip 93 slides from the inner strip vibrating disk 51 to the inner strip waiting jig 53 through the inner strip slide 52. The inner strip clamping assembly 54 clamps the inner strip 93 lifted by the inner strip lifting block 531 and transports it to be placed on the jig 11.

[0046] like Fig.15 As shown, the nailing mechanism 6 includes a first inner strip limit block 61 which can be raised and lowered above the jig 11, a needle guide assembly 62 and a nailing assembly 63 which are arranged on both sides of the jig 11; the needle guide assembly 62 has a retractable needle guide 621, and the nailing assembly 63 has a chuck 631 which cooperates with the needle guide 621, and the chuck 631 is used to output the connecting nail 94, the first inner strip limit block 61 descends to press the inner strip 93, and the needle guide assembly 62 guides the connecting nail 94 of the nailing assembly 63 to pass through the connecting holes of the inner strip 93, the lock buckle 91 and the torsion spring 92.

[0047] like Fig.16As shown, the rivet mechanism 7 includes a second inner strip limit block 71 which can be raised and lowered above the jig 11, a rivet machine 72 and a pin 73 which are arranged on both sides of the jig 11; the second inner strip limit block 71 descends to press the inner strip 93, and the pin 73 cooperates with the rivet machine 72 to rivet the connecting pin 94.

[0048] like Fig.17 As shown, the discharging mechanism 8 includes a finished product discharging jaw assembly 81, a defective product discharging jaw assembly 82, a finished product discharging chute 83 and a defective product discharging chute 84 arranged on one side of the jig 11. The finished product discharging jaw assembly 81 clamps the inner strip assembly 9 on the jig 11 and moves to the top of the finished product discharging chute 83, releases the inner strip assembly 9 and discharges the product through the finished product discharging chute 83; the defective product discharging jaw assembly 82 clamps the inner strip assembly 9 on the jig 11 and moves to the top of the defective product discharging chute 84, releases the inner strip assembly 9 and discharges the product through the defective product discharging chute 84. The lock buckle 91 and the torsion spring 92 of the inner strip assembly 9 are placed on the jig 11 and tested successively, and then the inner strip 93 and the connecting pin 94 are respectively loaded and riveted, and the finished products and defective products are respectively picked out by the discharging mechanism 8.

[0049] Of course, the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any modifications made according to the spirit of the main technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A jig suitable for a hinge inner strip assembly, wherein the inner strip assembly (9) comprises a lock buckle (91), a torsion spring (92), an inner strip (93) and a connecting pin (94), characterized in that: The jig (11) comprises a base (111) and a positioning column (112), wherein the base (111) has a first positioning area (1111) adapted to the shape of the lock buckle (91), a second positioning area (1112) adapted to the shape of the torsion spring (92), and a third positioning area (1113) adapted to the shape of the inner strip (93), and the positioning column (112) is arranged on the base (111), and the positioning column (112) matches the positioning hole (931) of the inner strip (93).

2. An assembly device for a hinge inner strip assembly, characterized in that: The assembly device adopts the jig as claimed in claim 1, and further comprises a rotating disk (1) and a lock buckle loading station (A), a torsion spring loading station (B), an inner strip loading station (D), a nailing station (E), a rivet station (F) and a discharging station (G) arranged along the rotating direction of the rotating disk (1); The rotating disk (1) is provided with a plurality of jigs (11) corresponding to each station for accommodating the inner strip assembly (9); the buckle loading station (A) is provided with a buckle loading mechanism (2) for transporting the buckle and placing it on the jig (11); the torsion spring loading station (B) is provided with a torsion spring loading mechanism (3) for transporting the torsion spring (92) and placing it on the jig (11); the inner strip loading station (D) is provided with a The inner strip loading mechanism (5) is used to transport the inner strip placed on the jig (11); the nailing station (E) is provided with a nailing mechanism (6) for connecting the lock buckle (91), the torsion spring (92) and the inner strip (93) through the connecting nail (94); the rivet station (F) is provided with a rivet mechanism (7) for riveting the connecting nail (94); and the discharging station (G) is provided with a discharging mechanism (8) for discharging the inner strip assembly (9); The lock feeding mechanism (2), the torsion spring feeding mechanism (3) and the inner strip feeding mechanism (5) all have a slideway for transmission, a material waiting jig for transfer and a clamping claw assembly for transporting to the rotating disk (1).

3. The assembly device of the hinge inner strip assembly according to claim 2, characterized in that: The torsion spring feeding mechanism (3) comprises a torsion spring vibrating plate (31) arranged on one side of the jig (11), a torsion spring slideway (32), a torsion spring material jig (33) and a torsion spring clamping jaw assembly (34); the torsion spring material jig (33) is provided with a translation member (331), the translation member (331) translates the torsion spring (92) to a predetermined position; the torsion spring clamping jaw assembly (34) comprises a pair of torsion spring clamping blocks (341) that can move closer or farther away; the shapes of the opposite end faces of the torsion spring clamping blocks (341) are consistent with the shape of the torsion spring clamping blocks (341). The shapes of the torsion spring (92) are matched, the input end of the torsion spring slideway (32) is connected to the torsion spring vibration disk (31), the output end of the torsion spring slideway (32) is connected to the torsion spring material jig (33), the torsion spring (92) slides from the torsion spring vibration disk (31) to the torsion spring material jig (33) through the torsion spring slideway (32), and the torsion spring clamping jaw assembly (34) clamps the torsion spring (92) at a predetermined position on the torsion spring material jig (33) and transports it to be placed on the jig (11).

4. The assembly device of the hinge inner strip assembly according to claim 3, characterized in that: The lock feeding mechanism (2) comprises a lock vibration plate (21) arranged on one side of the mold (11), a lock slideway (22), a lock material preparation mold (23) and a lock clamping claw assembly (24), wherein the lock material preparation mold (23) has a lock lifting block (231) that can be raised and lowered, and the lock clamping claw assembly (24) comprises a pair of lock clamping blocks (241) that can move closer or farther away, and the shapes of the opposite end surfaces of the lock clamping blocks (241) match the shape of the lock (91). The input end of the lock slideway (22) is connected to the lock vibration plate (21), and the output end of the lock slideway (22) is connected to the lock material preparation tool (23). The lock (91) slides from the lock vibration plate (21) to the lock material preparation tool (23) through the lock slideway (22), and the lock clamping claw assembly (24) clamps the lock (91) lifted up by the lock lifting block (231) and transports it to be placed on the tool (11).

5. The assembly device of the hinge inner strip assembly according to claim 4, characterized in that: The invention also comprises an inspection station (C), wherein the inspection station (C) is provided with an inspection mechanism (4) for inspecting whether the torsion spring (92) is correctly placed. The inspection mechanism (4) comprises an inspection block (41) which is movably arranged above the jig (11). The inspection block (41) is lowered to inspect whether the torsion spring (92) is correctly placed.

6. The assembly device of the hinge inner strip assembly according to claim 4, characterized in that: The inner strip feeding mechanism (5) comprises an inner strip vibrating plate (51) arranged on one side of the jig (11), an inner strip slideway (52), an inner strip material waiting jig (53) and an inner strip clamping jaw assembly (54), wherein the inner strip material waiting jig (53) has an inner strip lifting block (531) that can be raised and lowered, and the inner strip clamping jaw assembly (54) comprises a pair of inner strip clamping blocks (541) that can move closer to or away from each other, and the shapes of the opposite end surfaces of the inner strip clamping blocks (541) match the shape of the inner strip (93). The input end of the inner strip slide (52) is connected to the inner strip vibration disk (51), and the output end of the inner strip slide (52) is connected to the inner strip material waiting jig (53). The inner strip (93) slides from the inner strip vibration disk (51) to the inner strip material waiting jig (53) through the inner strip slide (52), and the inner strip clamping claw assembly (54) clamps the inner strip (93) lifted up by the inner strip lifting block (531) and transports it to be placed on the jig (11).

7. The assembly device of the hinge inner strip assembly according to claim 4, characterized in that: The nail insertion mechanism (6) comprises a first inner strip limit block (61) which is movably arranged above the jig (11), a needle guide assembly (62) and a nail driving assembly (63) which are arranged on both sides of the jig (11); the needle guide assembly (62) has a retractable needle guide (621), and the nail driving assembly (63) has a chuck (631) which cooperates with the needle guide (621), and the chuck (631) is used to output the connecting nail (94), the first inner strip limit block (61) descends to press the inner strip (93), and the needle guide assembly (62) guides the connecting nail (94) of the nail driving assembly (63) to pass through the connecting holes of the inner strip (93), the lock buckle (91) and the torsion spring (92).

8. The assembly device of the hinge inner strip assembly according to claim 4, characterized in that: The rivet mechanism (7) comprises a second inner strip limit block (71) which is movably arranged above the jig (11), and a rivet machine (72) and a pin (73) which are arranged on both sides of the jig (11); the second inner strip limit block (71) descends to press the inner strip (93), and the pin (73) cooperates with the rivet machine (72) to rivet the connecting pin (94).

9. The assembly device of the hinge inner strip assembly according to claim 4, characterized in that: The discharging mechanism (8) comprises a finished product discharging jaw assembly (81), a defective product discharging jaw assembly (82), a finished product discharging chute (83) and a defective product discharging chute (84) arranged on one side of the jig (11); the finished product discharging jaw assembly (81) clamps the inner strip assembly (9) on the jig (11) and then moves to the top of the finished product discharging chute (83), releases the inner strip assembly (9) and discharges the product through the finished product discharging chute (83); the defective product discharging jaw assembly (82) clamps the inner strip assembly (9) on the jig (11) and then moves to the top of the defective product discharging chute (84), releases the inner strip assembly (9) and discharges the product through the defective product discharging chute (84).

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