A frame automatic assembly device

Abstract

The utility model discloses a kind of frame automatic assembly equipment, including workbench, bearing table and symmetrically set on the slide rail feeding assembly of the bearing table two sides;The slide rail feeding assembly includes the mobile platform movable along workbench and the positioning assembly and guiding limiting component on the mobile platform, the positioning assembly includes at least one for supporting the positioning seat of the slide rail to be assembled and placed, the guiding limiting component includes limiting cylinder, riser and the limiting plate fixed in the side of the bearing table, one end of the limiting plate is throughly provided with limiting hole close to bearing table, a fixed jack is throughly provided on riser, when the slide rail placed on the mobile platform is moved to first position by the mobile platform towards close to bearing table direction, the piston rod of limiting cylinder can be through the limiting hole and with fixed jack interference insertion, to limit the movement of mobile platform in X axis direction.The utility model can improve assembly efficiency and assembly accuracy.

Description

Technical Field

[0001] This utility model relates to the field of frame assembly technology, and in particular to an automatic frame assembly device. Background Technology

[0002] In the manufacturing of automotive front seats, the assembly stability and precision of the H-shaped motion combination mechanism, consisting of two parallel slide rails at the bottom and the power motor between them, are crucial to the overall smoothness and comfort of the product. The key considerations include: 1. The parallelism of the two slide rails: The slide rail mechanism is formed by downward sliding bodies engaging, with rolling balls achieving relative sliding. Parallelism directly affects the smoothness of the overall frame's forward and backward movement and passenger comfort; 2. The perpendicularity of the power motor assembly to the slide rails: The power motor assembly is located in the middle, connecting to the parallel guide rails on both sides, forming the H-shaped operating mechanism. The motor assembly must be parallel to both guide rails simultaneously and be able to drive the guide rails forward and backward together; 3. The assembly precision of the H-shaped operating mechanism's connection positions: The outer housing of the electric motor drive end is fixed to the two guide rails by pins, and the rotational power is synchronously transmitted through the transmission spindles at both ends of the motor and the worm gear contact points within the two guide rails.

[0003] Traditional assembly methods involve manually assembling designed components and visually checking their relative positions. This approach has the following drawbacks: 1) Poor workpiece positioning accuracy: Instability of the guide rails on both sides and non-perpendicular placement of the central motor assembly directly affect the final product's position and shape; 2) Poor assembly accuracy: Determining the spatial positions of the guide rails on both sides and the central motor assembly is fundamental. Without positioning fixtures, relative tilting and poor alignment are inevitable; 3) Low assembly efficiency: Manual placement and misalignment during assembly create significant difficulties in product manufacturing, resulting in insufficient production progress and high labor intensity.

[0004] Therefore, there is a need to provide an automated frame assembly device to solve the above problems. Utility Model Content

[0005] To overcome the above-mentioned shortcomings, the purpose of this utility model is to provide an automatic frame assembly device that can automatically position and assemble the slide rails and power motors to be assembled, thereby improving assembly efficiency and accuracy and reducing the labor intensity of workers.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an automatic frame assembly device, including a workbench, a support platform, and slide rail feeding assemblies symmetrically arranged on both sides of the support platform; the support platform allows the electric motor to be assembled to be placed horizontally, the slide rail feeding assembly includes a movable platform that can move along the workbench, and a positioning component and a guide limiting component located on the movable platform, the positioning component includes at least one positioning seat for supporting the placement of the slide rail to be assembled, the guide limiting component includes a limiting cylinder, a vertical plate, and a limiting plate fixed to the side of the support platform, a limiting hole is provided through the end of the limiting plate near the support platform, and a fixing insertion hole is provided through the vertical plate, when the movable platform drives the slide rail placed on it to move towards the direction of the support platform to a first position, the piston rod of the limiting cylinder can pass through the limiting hole and be interference-fitted with the fixing insertion hole to limit the movement of the movable platform in the X-axis direction.

[0007] Furthermore, the bottom of the mobile platform is slidably connected to the worktable surface via at least one guide rail, and the direction in which the mobile platform moves along the guide rail is parallel to the straight line containing the length direction of the electric motor to be assembled. The guide rail is configured to guide the movement of the mobile platform and ensure the consistency of the movement path.

[0008] Furthermore, the limiting cylinder also includes a cylinder mounting base disposed at the drive end. The limiting cylinder is horizontally disposed along the length direction of the moving platform, and a limiting space is formed between the vertical plate and the cylinder mounting base for the limiting plate to move through. The gap formed between the vertical plate and the side of the cylinder mounting base near the vertical plate is just large enough for the limiting plate to pass through, providing guidance for the movement of the limiting plate relative to it during the movement of the moving platform, and further ensuring the stability of the moving platform driving the slide rail.

[0009] Furthermore, the mobile platform is provided with a sensing sensor and a detection sensor in sequence along its length. The detection sensor is used to detect whether a slide rail is placed on the positioning seat, and the sensing sensor is used to sense the distance between the mobile platform and the abutment block three provided on the side of the support platform.

[0010] The sensing sensor is a distance sensor. When the sensing sensor detects that the distance between itself and the abutment block three reaches the preset distance, it transmits a signal to the external controller. At this time, the external controller can control the piston rod of the limit cylinder to extend, pass through the limit hole, and be interference-fitted with the fixed socket.

[0011] Furthermore, the positioning assembly also includes a positioning frame for supporting the positioning seat. The positioning seat has a placement groove that matches the shape of the slide rail, and at least one positioning pin that can be inserted into the slide rail is vertically disposed in the placement groove. The positioning pin can initially position the slide rail placed on the positioning seat.

[0012] Furthermore, the mobile platform is also equipped with a clamping assembly, which includes a horizontally arranged clamping cylinder and a gripper located at the driving end of the clamping cylinder. When the clamping cylinder drives the two grippers to move towards each other, it can clamp them from both sides of the slide rail.

[0013] Furthermore, two contour positioning members are arranged opposite each other on the top of the support platform, forming a receiving space between the two contour positioning members to accommodate a motor and limit its horizontal displacement. At least one positioning pin is provided within the receiving space. A limiting mounting plate for supporting the limiting plate is vertically fixed on each of the two sides of the support platform near the slide rail feeding assembly. The limiting mounting plate provides stable support for the setting of the limiting plate.

[0014] Furthermore, it also includes a displacement driving assembly located on the worktable. The displacement driving assembly includes a push rod with a hinged end and a gripping end. The hinged end is hinged to the worktable via a hinge seat one. A connecting rod is hinged on the push rod between the hinged end and the gripping end. The end of the connecting rod away from the push rod is hinged to the side of the moving platform via a hinge seat two.

[0015] The beneficial effects of this utility model are: In this invention, the slide rail feeding component, the support platform, the positioning component, and the guide limiting component work together to automatically position and assemble the slide rail and the power motor to be assembled, thereby improving assembly efficiency and accuracy, avoiding differences in assembly position between components caused by manual placement, and reducing the labor intensity of workers. Attached Figure Description

[0016] Figure 1 This is an axonometric view of the overall structure of an embodiment of the present invention; Figure 2 This is a partial axonometric view of an embodiment of the present invention; Figure 3 This is an axonometric view of a portion of the structure of an embodiment of the present invention; Figure 4 This is a partial structural diagram of the slide rail feeding assembly and the guide limiting assembly according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the supporting platform and guide limiting component of one embodiment of the present utility model; In the diagram: 1. Workbench; 2. Slide rail feeding assembly; 21. Guide rail; 22. Moving platform; 23. Positioning assembly; 231. Positioning frame; 232. Positioning seat; 233. Positioning pin one; 24. Clamping assembly; 241. Clamping cylinder; 242. Gripper; 3. Bearing platform; 31. Contouring positioning component; 32. Positioning pin two; 33. Limiting mounting plate; 4. Detection sensor; 5. Induction sensor; 6. Guide and limiting assembly; 61. Limiting plate; 62. Vertical plate; 63. Limiting hole; 64. Limiting cylinder; 65. Fixing insertion hole; 66. Abutting block one; 67. Abutting block two; 68. Abutting block three; 69. Cylinder fixing seat; 7. Displacement drive assembly; 71. Hinge seat one; 72. Push rod; 721. Hinge end; 722. Grip end; 73. Connecting rod; 74. Hinge seat one; 8. Limiting seat. Detailed Implementation

[0017] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0018] See appendix Figures 1 to 5 As shown, an automatic frame assembly device in this embodiment includes a workbench 1, a support platform 3, and slide rail feeding components 2 symmetrically arranged on both sides of the support platform 3; the support platform 3 can be used to place the electric motor to be assembled horizontally, providing support for the electric motor to be assembled. The slide rail feeding assembly 2 includes a movable platform 22 that can move along the workbench 1, and a positioning assembly 23 and a guide limiting assembly 6 located on the movable platform 22. The positioning assembly 23 includes at least one positioning seat 232 for supporting the placement of the slide rail to be assembled. The positioning seat 232 limits the placement position of the slide rail to be assembled, ensuring the accuracy during subsequent assembly with the electric motor. The guide and limiting assembly 6 includes a limiting cylinder 64, a vertical plate 62, and a limiting plate 61 fixed to the side of the support platform 3. A limiting hole 63 is formed through the end of the limiting plate 61 near the support platform 3, and a fixing insertion hole 65 is formed through the vertical plate 62. When the moving platform 22 drives the slide rail placed on it to move towards the support platform 3 to the first position, the piston rod of the limiting cylinder 64 can pass through the limiting hole 63 and be press-fitted into the fixing insertion hole 65 to limit the movement of the moving platform 22 in the X-axis direction. The slide rail feeding assembly 2, the support platform 3, the positioning assembly 23, and the guide and limiting assembly 6 cooperate to automatically position and assemble the slide rail and the power motor to be assembled, improving assembly efficiency and accuracy, and reducing the labor intensity of workers.

[0019] The automatic frame assembly equipment in this application enables the rapid assembly of H-shaped frames, wherein the H-shaped frame includes an electric motor and slide rails that are vertically detachable at both ends in its length direction.

[0020] See appendix Figure 2 and 3 The movable platform 22 is positioned on the left and right sides of the support platform 3. The straight line along the length of the movable platform 22 is perpendicular to the straight line along the length of the support platform 3 to accommodate the placement and assembly of the H-shaped frame. The moving direction of the movable platform 22 is parallel to the straight line along the length of the support platform 3. The slide rails to be assembled are placed on the positioning seats 232 located on the left and right sides of the support platform 3. The movable platform 22 drives the two slide rails to move towards the electric motor until the upper end housing of the electric motor extends into the mounting groove on the slide rail. The two are then fixed and locked together by screws passing through the housing and the mounting groove.

[0021] When the moving platform 22 moves the slide rail to the first position, the limiting hole 63 on the limiting plate 61 corresponds to the fixed insertion hole 65 on the vertical plate 62 on the moving platform 22. After the piston rod of the limiting cylinder 64 extends, it can directly pass through the limiting hole 63 and be interference-fitted with the fixed insertion hole 65, thereby limiting the position movement of the moving platform 22 in the X-axis direction and avoiding affecting the assembly accuracy between the electric motor and the slide rail.

[0022] The diameter of the limiting hole 63 is only slightly larger than the outer diameter of the piston rod of the limiting cylinder 64. This ensures that the piston rod of the limiting cylinder 64 can smoothly pass through the limiting hole 63 after it extends, while also limiting the displacement of the limiting plate 61 in the X-axis direction, thus avoiding positional errors in the assembly between the slide rail and the electric motor.

[0023] It should be noted that the aforementioned first position refers to the position where the moving platform 22 drives the slide rail to move towards the bearing platform 3 until the locking part of the electric motor is fully inserted into the mounting groove on the slide rail.

[0024] The bottom of the mobile platform 22 is slidably connected to the surface of the worktable 1 via at least one guide rail 21. The direction in which the mobile platform 22 moves along the guide rail 21 is parallel to the straight line containing the length direction of the electric motor to be assembled. The guide rail 21 is configured to guide the movement of the mobile platform 22 and ensure the consistency of the movement path.

[0025] In some embodiments, two guide rails 21 are provided under each mobile platform 22 to make the movement of the mobile platform 22 more stable.

[0026] The limiting cylinder 64 also includes a cylinder mounting base 69 disposed at the drive end. The limiting cylinder 64 is horizontally disposed along the length direction of the moving platform 22. A limiting space is formed between the vertical plate 62 and the cylinder mounting base 69 for the limiting plate to move through. The gap formed between the vertical plate 62 and the side of the cylinder mounting base 69 closest to the vertical plate 62 is just enough for the limiting plate 61 to pass through, providing guidance for the movement of the limiting plate 61 relative to it during the movement of the moving platform 22, and further ensuring the stability of the moving platform 22 driving the slide rail to move.

[0027] A sensing sensor 5 and a detection sensor 4 are sequentially arranged along the length of the mobile platform 22. The detection sensor 4 is used to detect whether a slide rail is placed on the positioning seat 232. The sensing sensor 5 is used to sense the distance between the mobile platform 22 and the abutment block 3 68 arranged on the side of the support platform 3.

[0028] The sensing sensor 5 is a distance sensor. When the sensing sensor 5 senses that the distance between itself and the abutting block 68 reaches the preset distance, it transmits a signal to the external controller. At this time, the external controller can control the piston rod of the limit cylinder 64 to extend, pass through the limit hole 63, and be interference-fitted with the fixed insertion hole 65.

[0029] In some embodiments, see Appendix Figure 2 , 4 5. A first abutment block 66 is provided on the side of the mobile platform 22 corresponding to the position of the limiting cylinder 64. A second abutment block 67 corresponding to the position of the first abutment block 66 is provided at the bottom of the limiting mounting plate 33 on the side of the support platform 3. When the mobile platform 22 moves the slide rail to the first position, the first abutment block 66 just abuts against the second abutment block 67, and the mobile platform 22 cannot continue to move towards the support platform 3, so as to avoid hard contact between the slide rail and the electric motor, causing damage to the components and ensuring the assembly efficiency of the slide rail and the electric motor.

[0030] It should be noted that the detection sensor 4, the sensing sensor 5, the clamping cylinder 241, and the limit cylinder 64 are all electrically connected to the external controller.

[0031] The positioning assembly 23 also includes a positioning bracket 231 for supporting the positioning seat 232. The positioning seat 232 has a placement groove that matches the shape of the slide rail. At least one positioning pin 233 that can be inserted into the slide rail is vertically arranged in the placement groove. The positioning pin 233 can initially position the slide rail placed on the positioning seat 232.

[0032] In some embodiments, see Appendix Figure 2 There are two positioning seats 232 along the length of the mobile platform 22, so that the slide rail placed on the positioning seats 232 is more balanced and stable, and the position will not shift during the movement of the mobile platform 22. The two positioning pins 233 on the two positioning seats 232 have different outer diameters to adapt to the holes with different diameters at both ends of the slide rail along its length, thereby preventing the slide rail from being placed upside down and affecting subsequent assembly efficiency.

[0033] The mobile platform 22 is also equipped with a clamping assembly 24, which includes a horizontally arranged clamping cylinder 241 and a gripper 242 located at the driving end of the clamping cylinder 241. When the clamping cylinder 241 drives the two grippers 242 to move towards each other, it can clamp them from both sides of the slide rail.

[0034] See appendix Figure 4 The clamping assembly 24 is located in front of the two positioning seats 232. The height of the gripper 242 is adapted to the positioning seat 232. After the slide rail is placed on the positioning seat 232 and positioned by the positioning pin 233, the two grippers 242 on the clamping cylinder 241 partially cover and clamp the slide rail from both sides of the slide rail length direction. This further ensures that the slide rail will not shift position during the movement of the moving platform 22. It can automatically position the slide rail and also ensure the subsequent assembly accuracy of the slide rail with the electric motor.

[0035] Two contour positioning members 31 are arranged opposite each other on the top of the support platform 3. A receiving space is formed between the two contour positioning members 31 to accommodate an electric motor and limit its displacement in the horizontal direction. At least one positioning pin 32 is provided in the receiving space. The outer periphery of the electric motor in the receiving space formed between the two contour positioning members 31 is adapted to it. After the electric motor is placed in, the receiving space can limit the movement of the electric motor in the horizontal direction. The support platform 3 has a limiting mounting plate 33 vertically fixed on each of its two sides near the slide rail feeding assembly 2 to support the limiting plate 61. The limiting mounting plate 33 provides stable support for the setting of the limiting plate 61.

[0036] The system also includes a displacement drive assembly 7 located on the worktable 1. The displacement drive assembly 7 includes a push rod 72, which has a hinged end 721 and a gripping end 722. The hinged end 721 is hinged to the worktable 1 via a hinge seat 71. A connecting rod 73 is hinged to the push rod 72 between the hinged end 721 and the gripping end 722. The end of the connecting rod away from the push rod 72 is hinged to the side of the moving platform 22 via a hinge seat 74. When the gripping end 722 of the push rod 72 is grasped and pushed towards the support platform 3, the connecting rod 73 hinged to the push rod 72 swings towards the support platform 3 with the hinge seat 74 as the fulcrum, thereby pushing the moving platform 22 along the guide rail 21 towards the support platform 3. Conversely, it pulls the moving platform 22 away from the support platform 3, thus adjusting the distance between the slide rail and the power motor on the moving platform 22.

[0037] At least one limiting seat 8 is provided on the side of the moving platform 22 away from the bearing platform 3 on the workbench 1, which is to limit the movement of the moving platform 22 away from the bearing platform 3 under the drive of the displacement drive component 7.

[0038] Working principle: During assembly, the operator places two slide rails and a power motor on the corresponding positioning seat and support platform. The horizontal displacement of the slide rails and power motor is limited by the positioning pin one on the positioning seat and the positioning pin two on the support platform. The clamping cylinder drives the gripper to clamp and further limit the slide rails on the moving platform. Then, the push rod is pushed towards the support platform, so that the connecting rod hinged to the push rod drives the moving platform to move along the guide rail towards the support platform until the abutting block one on the moving platform abuts against the abutting block two on the limit mounting plate. At this time, the slide rails have moved into place, and the limit cylinder drives the drive rod to extend, pass through the limit hole and fit into the fixing hole. At this time, the position of the moving platform is locked, and the position of the slide rails will not shift again, which makes it easy to lock the slide rails and power motors and ensure assembly efficiency.

[0039] 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. They cannot be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.

Claims

1. An automatic frame assembly device, characterized in that: The system includes a worktable, a support platform, and slide rail feeding assemblies symmetrically arranged on both sides of the support platform. The support platform allows the electric motor to be assembled to be placed horizontally. The slide rail feeding assembly includes a movable platform that can move along the worktable, and a positioning assembly and a guide limiting assembly located on the movable platform. The positioning assembly includes at least one positioning seat for supporting the slide rail to be assembled. The guide limiting assembly includes a limiting cylinder, a vertical plate, and a limiting plate fixed to the side of the support platform. A limiting hole is provided through the end of the limiting plate near the support platform, and a fixing insertion hole is provided through the vertical plate. When the movable platform drives the slide rail placed on it to move towards the support platform to a first position, the piston rod of the limiting cylinder can pass through the limiting hole and be interference-fitted with the fixing insertion hole to limit the movement of the movable platform in the X-axis direction.

2. The automatic frame assembly equipment according to claim 1, characterized in that: The bottom of the mobile platform is slidably connected to the workbench surface via at least one guide rail, and the direction in which the mobile platform moves along the guide rail is parallel to the straight line containing the length direction of the electric motor to be assembled.

3. The automatic frame assembly equipment according to claim 1, characterized in that: The limiting cylinder also includes a cylinder fixing seat disposed at the drive end. The limiting cylinder is horizontally disposed along the length direction of the moving platform, and a limiting space is formed between the vertical plate and the cylinder fixing seat for the limiting plate to move through.

4. The automatic frame assembly equipment according to claim 1, characterized in that: The mobile platform is provided with a sensing sensor and a detection sensor in sequence along its length. The detection sensor is used to detect whether a slide rail is placed on the positioning seat, and the sensing sensor is used to sense the distance between the mobile platform and the abutment block three set on the side of the support platform.

5. The automatic frame assembly equipment according to claim 1, characterized in that: The positioning assembly also includes a positioning frame for supporting the positioning seat. The positioning seat has a placement groove that matches the shape of the slide rail, and at least one positioning pin that can be inserted into the slide rail is vertically arranged in the placement groove.

6. The automatic frame assembly equipment according to claim 1, characterized in that: The mobile platform is also equipped with a clamping assembly, which includes a horizontally arranged clamping cylinder and a gripper located at the driving end of the clamping cylinder. When the clamping cylinder drives the two grippers to move towards each other, it can clamp them from both sides of the slide rail.

7. The automatic frame assembly equipment according to claim 1, characterized in that: Two contour positioning components are arranged opposite each other on the top of the support platform. A receiving space is formed between the two contour positioning components to accommodate the electric motor and limit its displacement in the horizontal direction. At least one positioning pin is provided in the receiving space. A limiting mounting plate for supporting the limiting plate is vertically fixed on both sides of the support platform near the slide rail feeding assembly.

8. The automatic frame assembly equipment according to claim 1, characterized in that: It also includes a displacement drive assembly located on the worktable, the displacement drive assembly including a push rod having an opposing hinge end and a gripping end, the hinge end being hinged to the worktable via a hinge seat one, a connecting rod being hinged on the push rod between the hinge end and the gripping end, the end of the connecting rod away from the push rod being hinged to the side of the moving platform via a hinge seat two.

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