Positioning mechanism of a hinge assembly device

Abstract

The utility model relates to the technical field of motor, concretely relates to a positioning mechanism of hinge assembly equipment, including base, inner hinge arm feeding rail, limiting component, limiting component includes guide fastener, lifting piece, directional piece, and the guide fastener is opened and has lifting guide hole, limiting hole, limiting hole is located the front side of lifting guide hole, and is linked together with lifting guide hole, and lifting piece is connected in lifting guide hole and limiting hole with vertical sliding, and lifting piece is equipped with limiting slot, and the front end of limiting hole forms the front side input, and the front side input of limiting hole of inner hinge arm feeding rail, and directional piece is located the upside of guide fastener, and the advantage: directional piece limits the sliding direction of inner hinge arm, and inner hinge arm enters limiting slot according to preset vertical position, so that when first jaw clamps inner hinge arm, can also clamp according to preset position, reduce the influence of equipment vibration to the angle and position of inner hinge arm, promote the possibility that first jaw can smoothly clamp inner hinge arm, promote the consistency degree of inner hinge arm angle position and preset.

Description

Technical Field

[0001] This utility model relates to the technical field of hinge processing, and in particular to a positioning mechanism for a hinge assembly device. Background Technology

[0002] A hinge is a mechanical device that allows two parts to rotate at a limited angle. A hinge can connect a normally movable part to a fixed main frame, such as connecting a door to a door frame or a cover to a box, so as to realize the rotational movement of opening and closing doors and covers. Cup hinges are one of the most common types of hinges. Cup hinges are composed of parts such as the arm body, cup head, inner hinge arm, torsion spring, and rocker arm. These parts need to be assembled in a hinge assembly machine to form a usable cup hinge. In existing hinge assembly equipment, the installation of the inner hinge arm, torsion spring and arm body is carried out by grippers grabbing the inner hinge arm and torsion spring into the arm body, and then the inner hinge arm and torsion spring are hinged to the arm body through the hinge assembly. Before the grippers grab the inner hinge arm and torsion spring, the position and angle of the inner hinge arm and torsion spring need to be adjusted to the preset position and angle to ensure that the grippers can successfully grab the inner hinge arm and torsion spring, and at the same time improve the matching degree between the position and angle of the inner hinge arm and torsion spring on the arm body and the preset. In the aforementioned hinge assembly equipment, after the inner hinge arm and torsion spring slide out from the vibratory plate and the slide rail, the slide rail simply moves the inner hinge arm and torsion spring to the clamping position. The preset position angle is formed solely by the position angle of the inner hinge arm and torsion spring when they slide to the clamping position. In this way, the inner hinge arm and torsion spring will be subject to equipment vibration or friction at the clamping position, causing the inner hinge arm and torsion spring to fail to form the preset angle position. As a result, the gripper cannot successfully clamp the inner hinge arm and torsion spring, and the angle position between the inner hinge arm and torsion spring and the arm body is different from the preset position. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a positioning mechanism for a hinge assembly device.

[0004] To achieve the above objectives, this utility model discloses a positioning mechanism for a hinge assembly device, including a base, an inner hinge arm feeding rail, and a limiting component. The limiting component includes a guide member, a lifting block, and a directional member. The guide member is fixedly installed on the base. The top surface of the guide member has a vertically penetrating lifting guide hole and a vertically penetrating limiting hole. The limiting hole is located in front of the lifting guide hole and is connected to it. The lifting block is vertically slidably connected to the lifting guide hole and the limiting hole. The top surface of the lifting block has a limiting groove. The front end of the limiting hole extends through the front side of the guide to form a front input port. The rear end of the limiting hole is connected to the limiting groove. The output port of the inner hinge arm feed rail faces the front input port of the limiting hole. The directional member is located on the upper side of the guide. The inner hinge arm enters the limiting hole from the output port of the inner hinge arm feed rail through the front input port. When the inner hinge arm slides from the limiting hole to the limiting groove, the directional member extends above the limiting hole to limit the sliding direction of the inner hinge arm in the limiting groove.

[0005] The lifting block has a protruding limiting part on its side, which extends to the limiting hole and is slidably connected to the limiting hole. The top surface of the limiting part and the bottom surface of the limiting groove are inclined surfaces, and the inclined surfaces gradually slope downward from the top surface of the limiting part toward the bottom surface of the limiting groove so that the inner hinge arm is placed at an angle.

[0006] The directional member has a directional part on its front side, which protrudes forward toward the front of the directional member. The cross-section of the directional part is smaller than the cross-section of the directional member. When the directional member extends, the directional part is located above the limiting hole, and the directional member is offset from the top of the lifting block.

[0007] The device also includes a stop assembly. The outer wall of the inner hinge arm feed rail is provided with a slide rail window. The slide rail window extends along the sliding direction of the inner hinge arm. The stop assembly includes a stop member that extends into the slide rail window and abuts against the inner hinge arm in the inner hinge arm feed rail to prevent the inner hinge arm in the inner hinge arm feed rail from sliding toward the limiting groove.

[0008] The directional member and the stop member are alternately extended. When the inner hinge arm slides from the inner hinge arm feed rail to the limiting groove, the directional member extends above the limiting hole to limit the sliding of the inner hinge arm. When the lifting block drives the inner hinge arm to move upward, the stop member extends to the slide rail window to abut against the inner hinge arm.

[0009] The stopper is a cylindrical strip, and its axial direction is perpendicular to the extension direction of the sliding window. The side of the stopper abuts against the front side of the inner hinge arm to prevent the inner hinge arm from sliding forward.

[0010] The system also includes a torsion spring feed rail and a blocking assembly. The blocking assembly includes a support member, a lifting block, and a driving block. The top surface of the support member has a transfer groove, and the side of the transfer groove has a receiving port. The output port of the torsion spring feed rail is connected to the receiving port. The bottom surface of the transfer groove has a lifting hole. The lifting block slides vertically in the lifting hole. The tail end of the transfer groove has a combination position for assembling the torsion spring and the inner hinge arm. The driving block drives the torsion spring from the receiving port to the combination position. The lifting block rises to block the torsion spring at the receiving port from sliding toward the combination position.

[0011] The support member has an arc groove that is adapted to the U-shaped part of the torsion spring. The arc groove is connected to the tail end of the transfer groove. The arc-shaped side of the arc groove protrudes in the direction in which the torsion spring slides to the assembly position.

[0012] The extension direction of the transfer groove is the same as the extension direction of the limiting groove, so that the sliding direction of the torsion spring is adapted to the moving direction of the inner hinge arm.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: the directional component limits the movement of the vertical position of the inner hinge arm, so that the inner hinge arm enters the limiting groove according to the preset vertical position, thereby enabling the first gripper to grip the inner hinge arm according to the preset position when gripping the inner hinge arm, reducing the influence of equipment vibration on the angle and position of the inner hinge arm, increasing the possibility that the first gripper can successfully grip the inner hinge arm, and improving the consistency between the angle and position of the inner hinge arm and the preset position. The stopper abuts against the inner hinge arm that has not entered the limit groove through the slide rail window, preventing the inner hinge arm behind from interfering with the inner hinge arm of the limit groove and preventing interference with the lifting movement of the lifting block, thereby further improving the stability of the position and angle of the inner hinge arm of the limit groove. The blocking component prevents the possibility of interference between the torsion spring that has not entered the assembly position and the torsion spring that has entered the assembly position under equipment vibration, thereby ensuring the stability of the position and angle of the torsion spring in the assembly position, so that it can be assembled with the inner hinge arm at a preset angle. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 For Figure 1 Enlarged view of region A in the middle; Figure 3This is a first-view schematic diagram of the disassembled components of this utility model. Figure 4 For Figure 3 Enlarged view of region B in the middle; Figure 5 This is a second-view schematic diagram of the present invention with some components detached. Figure 6 for Figure 5 Enlarged view of region C in the middle; Figure 7 This is a third-person perspective schematic diagram of the present invention with some components detached. Figure 8 This is a schematic diagram of the internal hinge arm and lifting block of the utility model. Figure 9 This is a schematic diagram of the structure of the utility model where the inner hinge arm is placed in the limiting groove. Figure 10 This is a schematic diagram of the structure of the guide fitting of the utility model; Figure 11 This is a schematic diagram of the structure of the torsion spring of the utility model.

[0015] Markings: 1. Base; 11. Torsion spring; 111. U-shaped part; 12. Inner hinge arm; 13. Assembly; 14. Assembly position; 15. Installation position; 2. Inner hinge arm feed rail; 21. Output port of inner hinge arm feed rail; 22. Slide rail window; 31. Guide piece; 311. Lifting guide hole; 312. Limiting hole; 3121. Front input port; 32. Lifting block; 321. Limiting groove; 322. Limiting part; 323. Inclined surface; 33. Orienting part; 331. 34. Orientation section; 35. Lifting cylinder; 41. Stopping component; 42. Stopping cylinder; 51. Support component; 511. Transfer groove; 5112. Lifting and lowering hole; 5113. Engagement position; 512. Arc groove; 52. Lifting and lowering block; 53. Driving block; 54. Pushing cylinder; 55. Lifting and lowering cylinder; 6. Torsion spring feeding rail; 61. Output port of torsion spring feeding rail; 7. First gripper; 8. Second gripper; 91. Inner hinge arm vibratory plate; 92. Torsion spring vibratory plate. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will be combined with Figure 1-11 The state shown is described in terms of orientation and structure.

[0017] The following will combine Figure 1-11 The accompanying drawings provide a further detailed description of this utility model.

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, refer to Figure 1-11As shown, a positioning mechanism for a hinge assembly device includes an inner hinge arm feeding rail 2, a limiting component, and a base 1 that supports the entire device. The limiting component includes a guide member 31, a lifting block 32, and a directional member 33. The guide member 31 is fixedly installed on the base 1. The top surface of the guide member 31 has a vertically penetrating lifting guide hole 311 and a vertically penetrating limiting hole 312. The limiting hole 312 is located in front of the lifting guide hole 311 and is connected to the lifting guide hole 311. Generally speaking, the lifting block 32 is vertically slidably connected to the lifting guide hole 311 and the limiting hole 312. A limiting groove 321 is formed on the top surface of the lifting block 32. The two sides of the limiting groove 321 are respectively set on the same plane as the two sides of the limiting hole 312. The front end of the limiting hole 312 passes through the front side of the guide 31 to form the front input port 3121. The rear end of the limiting hole 312 is connected to the limiting groove 321. The inner hinge arm feeding rail 2 is used to convey the inner hinge arm 1 from the inner hinge arm vibrating plate 91. 2. The output port of the inner hinge arm feeding rail 2 faces the front input port 3121 of the limiting hole 312. The directional member 33 is located on the upper side of the guide member 31. The inner hinge arm 12 enters the limiting hole 312 from the output port of the inner hinge arm feeding rail 2 through the front input port 3121. When the inner hinge arm 12 slides from the limiting hole 312 to the limiting groove 321, the directional member 33 extends above the limiting hole 312 to position the sliding direction of the inner hinge arm 12 in the limiting groove 321. Through the above settings, the directional member 33 limits the sliding direction of the vertical position of the inner hinge arm 12, so that the inner hinge arm 12 enters the limiting groove 321 according to the preset sliding direction. This allows the first gripper 7 to grip the inner hinge arm 12 according to the preset position, reducing the impact of equipment vibration on the angle and position of the inner hinge arm 12, increasing the possibility that the first gripper 7 can successfully grip the inner hinge arm 12, and improving the consistency between the angle and position of the inner hinge arm 12 and the preset position.

[0019] Since the inner hinge arm 12, which is waiting to be gripped by the first gripper 7, has a requirement for tilting, it needs to be tilted into the limiting groove 321. However, the limiting groove 321 cannot meet the tilting requirement. To solve this problem, the side of the lifting block 32 has a protruding limiting part 322. The limiting part 322 extends to the limiting hole 312 and is slidably connected to the limiting hole 312. The top surface of the limiting part 322 and the bottom surface of the limiting groove 321 are inclined surfaces 323. The inclined surface 323 is gradually tilted downward from the top surface of the limiting part 322 toward the bottom surface of the limiting groove 321 so that the inner hinge arm 12 is tilted. Through the above arrangement, the inner hinge arm 12 can be placed along the inclined surface 323, so that the inner hinge arm 12 meets the tilting requirement.

[0020] Since the guide member 33 extends to the opening of the limiting hole 312, during the vertical movement of the inner hinge arm 12, part of the guide member 33 is located above the lifting block 32, that is, above the lifting guide hole 311. If the lifting block 32 malfunctions, it will collide with the guide member 33, causing wear or even damage to the parts. To solve this problem, the front side of the guide member 33 is provided with a guide portion 331, which protrudes forward towards the front of the guide member 33. The cross-section of the guide portion 331 is... The cross-section of the guide member 33 is smaller than that of the guide member 33. When the guide member 33 extends, the guide part 331 is located above the limiting hole 312. The guide member 33 is offset from the upper part of the lifting block 32. With the above arrangement, the guide part 331 of the guide member 33 orients the sliding of the inner hinge arm 12, while the other part of the guide member 33 is located outside the upper side of the lifting guide hole 311, so that the other part of the guide member 33 can give way to the lifting block 32, and the guide part 331 of the guide member 33 orients the sliding of the inner hinge arm 12.

[0021] The limiting assembly also includes a lifting cylinder 34 and a directional cylinder 35. The lifting cylinder 34 is vertically mounted on the base 1 and drives the lifting block 32 to move vertically up and down. The directional cylinder 35 is horizontally mounted on the base 1 and drives the directional component 33 to move toward the limiting hole 312. The extension directions of the lifting cylinder 34 and the directional cylinder 35 are parallel.

[0022] When an inner hinge arm 12 slides from one of its inner hinge arm feed rails 2 into the limiting groove 321, the inner hinge arm 12 behind it tends to slide downwards into the limiting groove 321 under the vibration of the inner hinge arm feed rail 2. This poses a risk of the rear inner hinge arm 12 interfering with the inner hinge arm 12 located in the limiting groove 321, causing misalignment of the position and angle of the inner hinge arm 12 in the limiting groove 321. To solve this problem, the present invention also includes a stopping component. A slide rail window 22 is provided on the outer wall of the inner hinge arm feed rail 2, and the slide rail window 22 is along the sliding direction of the inner hinge arm 12. The extended configuration includes a stop component 41 that extends into the slide rail window 22 and abuts against the inner hinge arm 12 in the inner hinge arm feed rail 2 to prevent the inner hinge arm 12 in the inner hinge arm feed rail 2 from sliding toward the limiting groove 321. With the above configuration, the stop component 41 abuts against the inner hinge arm 12 that has not entered the limiting groove 321 through the slide rail window 22, preventing the inner hinge arm 12 behind from interfering with the inner hinge arm 12 in the limiting groove 321 and preventing interference with the lifting movement of the lifting block 32, thereby further improving the stability of the position and angle of the inner hinge arm 12 in the limiting groove 321.

[0023] The stopper 41 is a round bar. The axis of the stopper 41 is perpendicular to the extension direction of the slide rail window 22. The side of the stopper 41 abuts against the front side of the inner hinge arm 12 to prevent the inner hinge arm 12 from continuing to slide forward. It should be noted that the sliding direction of the inner hinge arm 12 on the inner hinge arm feeding rail 2 is the front side, and the opposite is the rear side.

[0024] The directional member 33 and the stop member 41 are alternately extended. When the inner hinge arm 12 slides from the inner hinge arm feeding rail 2 to the limiting groove 321, the directional member 33 extends above the limiting hole 312 to limit the sliding of the inner hinge arm 12. At this time, the inner hinge arm 12 slides under the vibration of the inner hinge arm feeding rail 2 to enter the limiting groove 321 according to the preset position and direction. When the lifting block 32 drives the inner hinge arm 12 to move upward, the stop member 41 extends to the slide rail window 22 to abut against the inner hinge arm 12. At this time, the inner hinge arm 12 located on the inner hinge arm feeding rail 2 is blocked by the stop member 41 to prevent the inner hinge arm 12 of the inner hinge arm feeding rail 2 from interfering with the lifting and lowering movement of the inner hinge arm 12 of the limiting groove 321 and the lifting block 32.

[0025] The stop assembly also includes a stop cylinder 42, which is mounted on the base 1. The stop cylinder 42 drives the stop member 41 to extend into and retract from the slide rail window 22.

[0026] Since this equipment first assembles the torsion spring 11 and the inner hinge arm 12 into a component 13, and then the second gripper 8 adds the component 13 to the work station where the arm body is located to complete the installation by placing the component 13 onto the arm body, it is necessary to limit the position and angle of the inner hinge arm 12 while also limiting the position and angle of the torsion spring 11 to reduce the risk of misalignment of the torsion spring 11. To solve the above problem, this utility model also includes a torsion spring feeding rail 6 and a blocking assembly. The blocking assembly includes a support member 51, a lifting block 52, and a driving block 53. The top surface of the support member 51 has a transfer groove 511, and the side of the transfer groove 511 has a receiving port corresponding to the output port 61 of the torsion spring feeding rail. The torsion spring feeding rail 6 is used to transfer the torsion spring 11 from the torsion spring vibrating plate 92. 1. The transfer groove 511 is connected to the receiving port via the output port 61 of the torsion spring feed rail. The bottom surface of the transfer groove 511 is provided with a lifting hole 5112. The lifting block 52 slides vertically in the lifting hole 5112. The tail end of the transfer groove 511 is provided with a combination position 14 for assembling the torsion spring 11 and the inner hinge arm 12. The drive block 53 drives the torsion spring 11 from the receiving port to the combination position 14. The lifting block 52 rises to prevent the torsion spring 11 at the receiving port from sliding toward the sliding combination position 5113. Through the above settings, the possibility of interference between the torsion spring 11 that has not entered the combination position 14 and the torsion spring 11 that has entered the combination position 14 under equipment vibration is prevented. This ensures the stability of the position and angle of the torsion spring 11 at the combination position 14, so that it can be combined with the inner hinge arm 12 at a preset angle.

[0027] The first gripper 7 is used to clamp the inner hinge arm from the limiting groove 321 to the assembly position 14, and the second gripper 8 is used to clamp the assembly position 14 from the assembly 13 to the installation position 15.

[0028] The blocking assembly includes a lifting cylinder 55, which is mounted on the base 1 and drives the lifting block 52 to move vertically.

[0029] After the drive block 53 drives the torsion spring 11 into the assembly position 14, in order to further limit the position angle of the torsion spring 11 in the assembly position 14, the support member 51 of this utility model is provided with an arc groove 512. The arc groove 512 is connected to the tail end of the transfer groove 511. The arc-shaped side of the arc groove 512 is convex in the direction of the torsion spring 11 sliding to the assembly position 14. The arc groove 512 is adapted to the U-shaped part 111 of the torsion spring 11. The torsion spring 11 is a double torsion spring 11. With the above arrangement, after the torsion spring 11 enters the assembly position 14, the U-shaped part 111 of the torsion spring 11 enters the arc groove 512. The arc groove 512 limits the position angle of the torsion spring 11 through the U-shaped part 111 of the torsion spring 11, further improving the stability of the position angle of the torsion spring 11.

[0030] The extension direction of the transfer groove 511 is set in the same direction as the extension direction of the limiting groove 321, so that the sliding direction of the torsion spring 11 is adapted to the moving direction of the inner hinge arm 12. With the above setting, the first chuck only needs to move in one direction to reach the assembly position 14 when gripping the inner hinge arm 12, so as to combine with the torsion spring 11 to form the assembly 13. The movement of the inner hinge arm 12 in a single direction reduces the risk of error in the angle position of the inner hinge arm 12.

[0031] The present invention also includes a push cylinder 54, which is mounted on the base 1 and the mounting direction of the push cylinder 54 is the same as the sliding direction of the drive block 53. The push cylinder 54 drives the drive block 53 to push the torsion spring 11.

[0032] The feeding direction of the torsion spring feeding rail 6 is set in the same direction as the extension direction of the limiting groove 321. The feeding direction of the torsion spring feeding rail 6 is set perpendicular to the extension direction of the transfer groove 511. The extension direction of the limiting groove 321 is set in the same direction as the extension direction of the transfer groove 511.

[0033] Of course, the above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They cannot be used to limit the protection scope of this utility model. All modifications made in accordance with the spirit of the main technical solution of this utility model should be covered within the protection scope of this utility model.

Claims

1. A positioning mechanism for a hinge assembly device, characterized in that, The system includes a base (1), an inner hinge arm feeding rail (2), and a limiting assembly. The limiting assembly includes a guide member (31), a lifting block (32), and a directional member (33). The guide member (31) is fixedly installed on the base (1). The top surface of the guide member (31) has a vertically penetrating lifting guide hole (311) and a vertically penetrating limiting hole (312). The limiting hole (312) is located in front of the lifting guide hole (311) and communicates with it. The lifting block (32) is vertically slidably connected to the lifting guide hole (311) and the limiting hole (312). The top surface of the lifting block (32) has a limiting groove (321). The front end of the limiting hole (312) penetrates the guide member (31). The front side is formed to form a front input port (3121). The rear end of the limiting hole (312) is connected to the limiting groove (321). The output port of the inner hinge arm feed rail (2) faces the front input port (3121) of the limiting hole (312). The directional member (33) is located on the upper side of the guide member (31). The inner hinge arm (12) enters the limiting hole (312) from the output port of the inner hinge arm feed rail (2) through the front input port (3121). When the inner hinge arm (12) slides from the limiting hole (312) to the limiting groove (321), the directional member (33) extends above the limiting hole (312) to limit the sliding direction of the inner hinge arm (12) in the limiting groove (321).

2. The positioning mechanism of a hinge assembly device according to claim 1, characterized in that, The lifting block (32) has a protruding limiting part (322) on its side. The limiting part (322) extends to the limiting hole (312). The limiting part (322) is slidably connected to the limiting hole (312). The top surface of the limiting part (322) and the bottom surface of the limiting groove (321) are inclined surfaces (323). The inclined surface (323) is gradually inclined downward from the top surface of the limiting part (322) toward the bottom surface of the limiting groove (321) so that the inner hinge arm (12) is placed at an angle.

3. The positioning mechanism of a hinge assembly device according to claim 1, characterized in that, The front side of the directional member (33) is provided with a directional part (331), the directional part (331) protrudes forward toward the front of the directional member (33), the cross section of the directional part (331) is smaller than the cross section of the directional member (33), when the directional member (33) extends, the directional part (331) is located above the limiting hole (312), and the directional member (33) is offset above the lifting block (32).

4. The positioning mechanism of a hinge assembly device according to claim 1, characterized in that, It also includes a stop assembly. The outer wall of the inner hinge arm feed rail (2) is provided with a slide rail window (22). The slide rail window (22) extends along the sliding direction of the inner hinge arm (12). The stop assembly includes a stop member (41). The stop member (41) extends into the slide rail window (22) and abuts against the inner hinge arm (12) in the inner hinge arm feed rail (2) to prevent the inner hinge arm (12) in the inner hinge arm feed rail (2) from sliding toward the limiting groove (321).

5. The positioning mechanism of a hinge assembly device according to claim 4, characterized in that, The directional member (33) and the stop member (41) are alternately extended. When the inner hinge arm (12) slides from the inner hinge arm feed rail (2) to the limiting groove (321), the directional member (33) extends above the limiting hole (312) to limit the sliding of the inner hinge arm (12). When the lifting block (32) drives the inner hinge arm (12) to move upward, the stop member (41) extends to the slide rail window (22) to abut against the inner hinge arm (12).

6. The positioning mechanism of a hinge assembly device according to claim 5, characterized in that, The stopper (41) is a cylindrical bar. The axial direction of the stopper (41) is perpendicular to the extension direction of the slide rail window (22). The side of the stopper (41) abuts against the front side of the inner hinge arm (12) to prevent the inner hinge arm (12) from continuing to slide forward.

7. The positioning mechanism of a hinge assembly device according to claim 1, characterized in that, It also includes a torsion spring feed rail (6) and a blocking assembly. The blocking assembly includes a support (51), a lifting block (52), and a driving block (53). The top surface of the support (51) is provided with a transfer groove (511). The side of the transfer groove (511) is provided with a receiving port. The output port of the torsion spring feed rail (6) is connected to the receiving port. The bottom surface of the transfer groove (511) is provided with a lifting hole (5112). The lifting block (52) slides vertically in the lifting hole (5112). The tail end of the transfer groove (511) is provided with a combination position (14) for assembling the torsion spring (11) and the inner hinge arm (12). The driving block (53) drives the torsion spring (11) from the receiving port to the combination position (14). The lifting block (52) rises to block the torsion spring (11) at the receiving port from sliding toward the combination position (14).

8. The positioning mechanism of a hinge assembly equipment according to claim 7, characterized in that, The support member (51) has an arc groove (512) that is adapted to the U-shaped part (111) of the torsion spring (11). The arc groove (512) is connected to the tail end of the transfer groove (511). The arc-shaped side of the arc groove (512) protrudes in the direction that the torsion spring (11) slides to the assembly position (14).

9. The positioning mechanism of a hinge assembly equipment according to claim 8, characterized in that, The extension direction of the transfer groove (511) is set in the same direction as the extension direction of the limiting groove (321) so that the sliding direction of the torsion spring (11) is adapted to the moving direction of the inner hinge arm (12).

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