Seat assembling and positioning tool
By designing chair leg angle limiters and seat pad support positioning mechanisms, combined with automated cylinders, the problem of lack of positioning tooling on the automatic production line was solved, achieving efficient, precise and adaptable assembly of seats, and improving production efficiency and quality.
Patent Information
- Application Number
- CN202422643516.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing automatic production assembly lines lack dedicated positioning tooling, resulting in high demand for manual alignment, insufficient assembly precision, low production efficiency and poor adaptability.
A seat assembly and positioning tooling was designed, which included a chair leg angle limiting mechanism and a seat pad support positioning mechanism. Automated components such as the chair leg telescopic cylinder, the adjustment telescopic cylinder, and the plug-in telescopic cylinder were used to achieve precise assembly and rapid adjustment of the seat components.
It improves the automation level and assembly accuracy of the production line, reduces human errors, improves the quality consistency and production efficiency of seats, reduces production costs, and enhances the flexibility and intelligence level of the production line.
Smart Images

Figure CN223326259U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seat assembly, in particular to a seat assembly positioning tool. Background Art
[0002] The existing automated production assembly line lacks dedicated positioning tooling during seat assembly, leading to the following problems:
[0003] 1. The need for manual alignment: Due to the lack of positioning tooling, automated assembly lines still need to rely on manual alignment operations when assembling seats, which not only reduces the degree of automation, but also increases the difficulty and labor intensity of manual operations. 2. Insufficient assembly accuracy: Manual alignment is difficult to achieve the accuracy of machine positioning, resulting in low docking accuracy between seat components, affecting the overall quality and service life of the seats. 3. Low production efficiency: The manual alignment process is time-consuming and prone to inaccurate alignment leading to rework, thereby reducing the overall efficiency of the production line. 4. Adaptability issues: When dealing with the assembly of different models of seats, existing automated production lines lack flexible positioning tooling and are difficult to quickly adapt to components of different sizes and shapes, limiting the adaptability of the production line. Therefore, a seat assembly positioning tool is needed. Utility Model Content
[0004] Based on the existing technical problems, the utility model proposes a seat assembly and positioning tool.
[0005] The utility model provides a seat assembly and positioning tool, comprising a mounting base, wherein chair leg angle limiting mechanisms are provided on all four sides of the top of the mounting base, wherein the chair leg angle limiting mechanisms include buckles, wherein the inner walls of the buckles are engaged with the surfaces of the chair legs, and the chair leg angle limiting mechanisms realize the action of maintaining the tilt angle of the chair legs during installation;
[0006] A seat cushion support and positioning mechanism is provided at the top center of the mounting base, and the seat cushion support and positioning mechanism includes a vertical profile, and the two vertical profiles are distributed in high and low positions, and the high-sized vertical profile is located in front of the low-sized vertical profile, and the bottoms of the two vertical profiles are fixedly mounted to the top of the mounting base, and the seat cushion support and positioning mechanism realizes automatic positioning during the installation of the seat cushion.
[0007] Preferably, the chair leg angle limiting mechanism also includes a vertical plate and a diagonal support plate, the bottoms of the two vertical plates and the bottoms of the two diagonal support plates are fixedly mounted to the top of the mounting base plate, a hinge shaft and a limit shaft are fixedly mounted on the surface of the vertical plate, the surface of the hinge shaft is rotatably connected to a hinge seat through a bearing, an inner wall of an arc-shaped groove on one side of the hinge seat is slidably plugged into the surface of the limit shaft, and one side of the hinge seat is mounted on the surface of the buckle.
[0008] Preferably, the inclined surface of the diagonal support plate is fixedly installed with the surface of the buckle, and an L-shaped mounting plate is further provided between the two diagonal support plates. The bottoms of the two L-shaped mounting plates are fixedly installed with the top of the mounting base plate. The two L-shaped mounting plates are symmetrically distributed, and a chair leg telescopic cylinder is fixedly installed on one side surface of the L-shaped mounting plate, and the telescopic end of the chair leg telescopic cylinder is in contact with the surface of the chair leg of the seat.
[0009] Preferably, the seat pad support and positioning mechanism also includes a support frame, the bottom of the support frame is fixedly installed on the top of the mounting base, and the support frame is located between the two vertical profiles, and an adjustable telescopic cylinder is fixedly installed on the top of the support frame, and a pendulum block is fixedly installed on the telescopic top end of the adjustable telescopic cylinder.
[0010] Preferably, the surface of the pendulum block is rotatably connected to a pendulum shaft via a bearing, pendulum rods are fixedly installed at both ends of the pendulum shaft, a pin shaft is fixedly installed at the top of the pendulum rod, one end of the pendulum shaft is rotatably connected to a drive plate via a bearing, an extrusion plate is fixedly installed at one end of the drive plate, and one end of the two extrusion plates are respectively in contact with the inner walls on both sides of the seat cushion.
[0011] Preferably, a limiting groove plate is fixedly installed on the top of the low-sized vertical profile, and the inner wall of the groove of the limiting groove plate is clamped with the one side surface of the seat cushion. A sliding plate is also fixedly installed on the other side surface of the top of the low-sized vertical profile, and a rotating bearing is also fixedly installed on one end of the swing shaft, and the outer ring of the rotating bearing is slidably inserted into the inner wall of the slide groove of the sliding plate.
[0012] Preferably, a placement plate is fixedly installed on the top of the high-sized vertical profile and the top of one end of the limiting groove plate. The placement plate is in a cross shape, and the two ends of the cross of the placement plate are respectively slidably plugged into the surfaces of the two extrusion plates. A connecting seat is also fixedly installed on the surface of the placement plate, and the four connecting seats are distributed in a rectangular array. A plug-in telescopic cylinder is fixedly installed on the surface of the connecting seat, and a plug-in shaft is fixedly installed on the telescopic end of the plug-in telescopic cylinder, and the surface of the plug-in shaft is slidably plugged into the inner wall of the chair leg socket of the seat.
[0013] The beneficial effects of the present invention are:
[0014] By introducing automated components such as chair leg telescopic cylinders, adjustment telescopic cylinders, and plug-in telescopic cylinders, manual operations are greatly reduced and the automation level of the production line is improved; precise positioning mechanisms and automated adjustment devices ensure the precise assembly of various seat components, reduce human errors, and improve the overall quality and consistency of the seats; the design of the tooling allows for quick adjustments to accommodate the assembly of different seat models, increasing the flexibility of the production line; it not only improves production efficiency, but also significantly improves product quality and consistency, reduces human errors, reduces production costs, and improves the overall intelligence level of the production line. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a structural schematic diagram of a seat assembly and positioning tool;
[0016] Figure 2 A three-dimensional diagram of a chair leg angle limiting mechanism of a seat assembly and positioning tool;
[0017] Figure 3 This is a three-dimensional diagram of a seat pad support positioning mechanism of a seat assembly positioning tool.
[0018] In the figure: 1. Mounting base plate; 2. Chair leg angle limiting mechanism; 21. Buckle; 22. Vertical plate; 23. Diagonal support plate; 24. Articulated shaft; 25. Limiting shaft; 26. Articulated seat; 27. L-shaped mounting plate; 28. Chair leg telescopic cylinder; 3. Seat pad support and positioning mechanism; 31. Vertical profile; 32. Support frame; 33. Adjusting telescopic cylinder; 34. Pendulum block; 35. Pendulum shaft; 36. Pendulum rod; 37. Pin shaft; 38. Drive plate; 39. Extrusion plate; 310. Limiting groove plate; 311. Sliding plate; 312. Rotating bearing; 313. Placement plate; 314. Connecting seat; 315. Inserting telescopic cylinder; 316. Inserting shaft. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0020] Reference Figure 1-Figure 3 A seat assembly and positioning tool includes a mounting base 1. Chair leg angle limiting mechanisms 2 are arranged around the top of the mounting base 1. The chair leg angle limiting mechanisms 2 include buckles 21. The inner wall of the buckle 21 is snap-connected with the surface of the chair leg.
[0021] In order to realize the action of maintaining the tilt angle during the installation of the chair legs, the chair leg angle limiting mechanism 2 is provided, which also includes a vertical plate 22 and a diagonal support plate 23. The bottoms of the two vertical plates 22 and the bottoms of the two diagonal support plates 23 are fixedly installed on the top of the installation base plate 1. The surface of the vertical plate 22 is fixedly installed with a hinge shaft 24 and a limit shaft 25. The surface of the hinge shaft 24 is rotatably connected to the hinge seat 26 through a bearing. The inner wall of the arc groove on one side of the hinge seat 26 is slidably inserted into the surface of the limit shaft 25, and one side of the hinge seat 26 is installed on the surface of the buckle 21.
[0022] Specifically implemented in this way, through the cooperation of components such as the vertical plate 22, the diagonal support plate 23 and the buckle 21, it can be ensured that the chair legs accurately maintain the preset inclination angle during installation, thereby improving the accuracy and quality of seat assembly; the use of components such as the hinge shaft 24, the limit shaft 25 and the bearing can effectively reduce human errors during the installation process and ensure the installation consistency of each chair leg; the design of the arc groove and sliding plug-in allows the hinge seat 26 to move smoothly along the limit shaft 25, and the operation is simple, and even unskilled workers can quickly master it.
[0023] The inclined surface of the diagonal support plate 23 is fixedly installed with the surface of the buckle 21, and an L-shaped mounting plate 27 is also provided between the two diagonal support plates 23. The bottoms of the two L-shaped mounting plates 27 are fixedly installed with the top of the mounting base 1. The two L-shaped mounting plates 27 are symmetrically distributed. A chair leg telescopic cylinder 28 is fixedly installed on one side surface of the L-shaped mounting plate 27, and the telescopic end of the chair leg telescopic cylinder 28 is in contact with the surface of the chair leg.
[0024] Specifically implemented in this way, the inclined surface of the diagonal support plate 23 is fixedly installed with the buckle 21, providing additional support for the chair legs, ensuring the stability of the chair legs during installation, and preventing the chair legs from moving or tilting during installation; the two L-shaped mounting plates 27 are symmetrically distributed, which helps to evenly disperse the pressure of the chair legs on the tooling, reduce local stress concentration, and increase the service life of the tooling; the chair leg telescopic cylinder 28 can accurately control the telescopic length of the chair legs, so that the chair legs can quickly and accurately reach the predetermined position, thereby improving the assembly accuracy.
[0025] A seat cushion support and positioning mechanism 3 is provided at the top center of the mounting base 1. The seat cushion support and positioning mechanism 3 includes a vertical profile 31. The two vertical profiles 31 are distributed in high and low positions. The high-sized vertical profile 31 is located in front of the low-sized vertical profile 31. The bottoms of the two vertical profiles 31 are fixed to the top of the mounting base 1.
[0026] In order to realize the automatic positioning action during the installation of the seat pad, the seat pad support positioning mechanism 3 is set to also include a support frame 32. The bottom of the support frame 32 is fixedly installed on the top of the installation base plate 1, and the support frame 32 is located between two vertical profiles 31. The top of the support frame 32 is fixedly installed with an adjustable telescopic cylinder 33, and the telescopic top end of the adjustable telescopic cylinder 33 is fixedly installed with a pendulum block 34.
[0027] Specifically implemented in this way, by adjusting the cooperation between the telescopic cylinder 33 and the pendulum block 34, the automatic positioning of the seat pad can be achieved, which reduces the need for manual adjustment and improves the level of automation; adjusting the telescopic cylinder 33 can accurately control the up and down movement of the pendulum block 34, thereby achieving precise adjustment of the position of the seat pad and ensuring the accuracy of the pad installation.
[0028] The surface of the pendulum block 34 is rotatably connected to a pendulum shaft 35 via a bearing, and pendulum rods 36 are fixedly installed at both ends of the pendulum shaft 35. A pin shaft 37 is fixedly installed at the top of the pendulum rod 36. One end of the pendulum shaft 35 is rotatably connected to a drive plate 38 via a bearing, and an extrusion plate 39 is fixedly installed at one end of the drive plate 38. One end of the two extrusion plates 39 are respectively in contact with the inner walls on both sides of the seat cushion.
[0029] Specifically implemented in this way, the extrusion plate 39 contacts the inner walls on both sides of the seat cushion, which can apply pressure evenly to prevent the cushion from deformation or displacement during installation; the drive plate 38 can be driven by a mechanical device or a cylinder to realize automatic movement of the extrusion plate 39, thereby realizing automatic positioning of the seat cushion; through the rotational connection between the pendulum block 34 and the pendulum shaft 35, the position of the seat cushion can be accurately adjusted to ensure that the cushion is correctly docked with other parts of the seat.
[0030] A limiting groove plate 310 is fixedly installed on the top of the low-sized vertical profile 31, and the inner wall of the groove of the limiting groove plate 310 is clamped with one side surface of the seat cushion. A sliding plate 311 is also fixedly installed on the other side surface of the top of the low-sized vertical profile 31, and a rotating bearing 312 is also fixedly installed at one end of the swing shaft 35. The outer ring of the rotating bearing 312 is slidably plugged into the inner wall of the slide groove of the sliding plate 311.
[0031] Specifically implemented in this way, the design of the limiting groove plate 310 allows one side surface of the seat pad to be snapped into the groove, thereby achieving precise limitation of the pad position and ensuring the correct installation position of the pad; the rotating bearing 312 is slidably plugged into the inner wall of the slide groove of the sliding plate 311, allowing the swing shaft 35 to slide within a certain range, thereby achieving fine-tuning of the pad position.
[0032] A placement plate 313 is fixedly installed on the top of the high-sized vertical profile 31 and the top of one end of the limiting groove plate 310. The placement plate 313 is in a cross shape. The two ends of the cross of the placement plate 313 are respectively slidably plugged into the surfaces of the two extrusion plates 39. A connecting seat 314 is also fixedly installed on the surface of the placement plate 313. The four connecting seats 314 are distributed in a rectangular array. The surface of the connecting seat 314 is fixedly installed with a plug-in telescopic cylinder 315. The telescopic end of the plug-in telescopic cylinder 315 is fixedly installed with a plug-in shaft 316. The surface of the plug-in shaft 316 is slidably plugged into the inner wall of the chair leg socket.
[0033] Specifically implemented in this way, the design of the placement plate 313 increases the stability of the seat pad support structure and prevents instability during the installation process; the design of the plug-in telescopic cylinder 315 and the plug-in shaft 316 realizes the automated insertion process of the chair legs and improves the degree of automation of the production line.
[0034] By introducing automated components such as the chair leg telescopic cylinder 28, the adjustment telescopic cylinder 33, and the plug-in telescopic cylinder 315, manual operations are greatly reduced and the degree of automation of the production line is improved; the precise positioning mechanism and the automated adjustment device ensure the precise assembly of the various components of the seat, reduce human errors, and improve the overall quality and consistency of the seat; the design of the tooling allows for quick adjustment to accommodate the assembly of different models of seats, thereby increasing the flexibility of the production line; it not only improves production efficiency, but also significantly improves product quality and consistency, reduces human errors, reduces production costs, and improves the overall intelligence level of the production line.
[0035] Working principle: During the installation of the seat, first take the seat pad and place it on top of the placement plate 313, control one side to be clamped in the groove of the limiting groove plate 310, start the adjustment telescopic cylinder 33 to extend the movement, drive the pendulum block 34 to move upward and then control the pendulum rod 36 to swing to both sides, drive the extrusion plate 39 to squeeze on both sides of the seat pad to position it, then take the seat leg and control the bottom to be inserted into the inner wall of the buckle 21, and use the plug-in telescopic cylinder 315 to extend the other end so that the plug-in shaft 316 of the telescopic end is inserted into the socket of the seat leg, and start the chair leg telescopic cylinder 28 to extend the movement so that it is squeezed on the surface of the seat leg to position and lock it. When the inclination angle of the seat leg is designed and installed, the driving articulated seat 26 is used to swing to drive the seat leg to swing and adjust the installation angle.
[0036] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A seat assembly and positioning tool, comprising a mounting base (1), characterized in that: The top of the mounting base plate (1) is provided with a chair leg angle limiting mechanism (2) on all sides. The chair leg angle limiting mechanism (2) includes a buckle (21). The inner wall of the buckle (21) is engaged with the surface of the chair leg. The chair leg angle limiting mechanism (2) enables the chair leg to be installed at a tilted angle. A seat pad support and positioning mechanism (3) is provided at the top center of the installation base plate (1). The seat pad support and positioning mechanism (3) includes a vertical profile (31). The two vertical profiles (31) are distributed in different heights. The vertical profile (31) with a higher size is located in front of the vertical profile (31) with a lower size. The bottoms of the two vertical profiles (31) are fixedly mounted to the top of the installation base plate (1). The seat pad support and positioning mechanism (3) realizes the automatic positioning action during the installation of the seat pad.
2. The seat assembly and positioning tool according to claim 1, characterized in that: The chair leg angle limiting mechanism (2) further comprises a vertical plate (22) and a diagonal support plate (23), the bottoms of the two vertical plates (22) and the bottoms of the two diagonal support plates (23) are fixedly mounted on the top of the mounting base plate (1), a hinge shaft (24) and a limiting shaft (25) are fixedly mounted on the surface of the vertical plate (22), the surface of the hinge shaft (24) is rotatably connected to a hinge seat (26) via a bearing, an inner wall of an arc groove on one side of the hinge seat (26) is slidably plugged into the surface of the limiting shaft (25), and one side of the hinge seat (26) is mounted on the surface of the buckle (21).
3. The seat assembly and positioning tool according to claim 2, characterized in that: The inclined surface of the diagonal support plate (23) is fixedly mounted on the surface of the buckle (21), and an L-shaped mounting plate (27) is further provided between the two diagonal support plates (23). The bottoms of the two L-shaped mounting plates (27) are fixedly mounted on the top of the mounting base plate (1). The two L-shaped mounting plates (27) are symmetrically distributed. A chair leg telescopic cylinder (28) is fixedly mounted on one side surface of the L-shaped mounting plate (27), and the telescopic end of the chair leg telescopic cylinder (28) contacts the surface of the chair leg of the seat.
4. The seat assembly and positioning tool according to claim 1, characterized in that: The seat pad support and positioning mechanism (3) further comprises a support frame (32), the bottom of the support frame (32) being fixedly mounted to the top of the mounting base plate (1), and the support frame (32) being located between the two vertical profiles (31), the top of the support frame (32) being fixedly mounted with an adjustable telescopic cylinder (33), and the telescopic top end of the adjustable telescopic cylinder (33) being fixedly mounted with a pendulum block (34).
5. The seat assembly and positioning tool according to claim 4, characterized in that: The surface of the pendulum block (34) is rotatably connected to a pendulum shaft (35) via a bearing, and both ends of the pendulum shaft (35) are fixedly mounted with pendulum rods (36), and a pin shaft (37) is fixedly mounted on the top end of the pendulum rod (36). One end of the pendulum shaft (35) is rotatably connected to a drive plate (38) via a bearing, and one end of the drive plate (38) is fixedly mounted with an extrusion plate (39), and one end of the two extrusion plates (39) respectively contacts the inner walls of both sides of the seat cushion.
6. The seat assembly and positioning tool according to claim 5, characterized in that: A limiting groove plate (310) is fixedly mounted on the top of the low-sized vertical profile (31), and the inner wall of the groove of the limiting groove plate (310) is engaged with the surface of one side of the seat pad. A sliding plate (311) is also fixedly mounted on the other side of the top of the low-sized vertical profile (31), and a rotating bearing (312) is also fixedly mounted on one end of the swing shaft (35), and the outer ring of the rotating bearing (312) is slidably plugged into the inner wall of the slide groove of the sliding plate (311).
7. The seat assembly and positioning tool according to claim 6, characterized in that: A placement plate (313) is fixedly mounted on the top of the high-size vertical profile (31) and the top of one end of the limiting groove plate (310). The placement plate (313) is in a cross shape. The two ends of the cross of the placement plate (313) are respectively slidably plugged into the surfaces of the two extrusion plates (39). A connecting seat (314) is also fixedly mounted on the surface of the placement plate (313). The four connecting seats (314) are distributed in a rectangular array. A plug-in telescopic cylinder (315) is fixedly mounted on the surface of the connection seat (314). The telescopic end of the plug-in telescopic cylinder (315) is fixedly mounted with an insert shaft (316). The surface of the insert shaft (316) is slidably plugged into the inner wall of the chair leg socket of the seat.