Automatic seat production system

Abstract

The utility model relates to the technical field of seat welding, and discloses an automatic seat production system which comprises a conveying unit, a supporting frame connected to the conveying unit and a welding unit located on the conveying unit, and the conveying unit is used for conveying the supporting frame to the welding unit. The supporting frame is provided with a first pressing unit used for pressing the seat sitting plate on the supporting frame, a first abutting unit used for making the seat backrest assembly tightly attached to the seat sitting plate, a supporting unit used for supporting the seat armrest assembly and a second abutting unit used for making the seat armrest assembly tightly attached to the seat sitting plate and the seat backrest assembly. The welding unit is used for welding between the seat armrest assemblies and the seat plate, welding between the seat backrest assemblies and the seat armrest assemblies and welding between the seat plate and the seat backrest assemblies. According to the welding device, all parts of a seat are fixed together through the first pressing unit, the supporting unit, the first jacking unit and the second jacking unit for welding; and the welding quality and efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of seat welding technology, specifically to an automated seat production system. Background Technology

[0002] Welded seats have greater stability and are more durable. A typical welded seat consists of a backrest, armrests, legs, and seat cushion. These components are welded together to form a complete seat. Generally, the armrests and legs can be designed as a single piece. The backrest, armrests, and seat cushion are then welded together to form a stable and durable seat. However, this type of seat is not easy to weld and requires fixed welding fixtures to assist in the welding process.

[0003] In the prior art, utility model patent (CN214350574U) discloses a welding fixture for a chair frame, including: a fixture base plate, legs, a bottom back plate, and a fixture assembly; the legs are installed on both sides of the fixture base plate; the bottom back plate is installed on the legs; the fixture base plate has a platform for placing the chair frame; the chair legs are disposed on the platform and pressed against the platform by the base; the two ends of the chair legs are offset downwards from the middle to near the bottom back plate; the output end of the telescopic actuator is connected to a clamping block for driving the clamping block to move in a resettable manner; a chair seat clamp is installed on the fixture base plate, and the clamping block of the chair seat clamp is used to press the base against the chair legs, so that the chair legs are fixed to the platform; a chair leg clamp is installed on the legs, and the clamping block of the chair leg clamp is used to press the chair legs against the bottom back plate. This welding fixture does not have a seat cushion clamp.

[0004] Therefore, the technical problem to be solved in this case is: how to fix the various parts of the seat for welding. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides an automated production system for seats. This production system uses a first pressing unit to press the seat plate onto a support frame, a support unit to support the seat armrest assembly, and a second pressing unit and a first pressing unit to press the seat armrest assembly tightly against the seat plate and the seat back assembly, respectively. This tightly fixes the seat plate, seat armrest assembly, and seat back assembly together, and then transports them to the welding unit for welding via a conveying unit, thereby improving work efficiency and welding quality.

[0006] The technical solution of this utility model is:

[0007] An automated production system for seats includes a conveying unit, a support frame connected to the conveying unit, and a welding unit located on the conveying unit, wherein the conveying unit is used to convey the support frame to the welding unit;

[0008] The support frame is provided with a first pressing unit for pressing the seat plate onto the support frame, a first pressing unit for pressing the seat back assembly against the seat plate, a support unit for supporting the seat armrest assembly, and a second pressing unit for pressing the seat armrest assembly against the seat plate and the seat back assembly.

[0009] The welding unit is used to weld between the seat armrest assembly and the seat seat, between the seat back assembly and the seat armrest assembly, and between the seat seat and the seat back assembly.

[0010] Preferably, the first pressing unit includes a plurality of first rotary pressing cylinders, the cylinder bodies of the first rotary pressing cylinders being connected to the support frame, and the plurality of first rotary pressing cylinders being used to press the seat plate onto the support frame.

[0011] Preferably, the support frame is provided with a fixed platform for supporting the seat plate, and the fixed platform is provided with a plurality of limiting blocks. The limiting blocks are used to fix the seat plate. The cylinder body of the first rotary pressing cylinder is connected to one side of the limiting block, and the plurality of first rotary pressing cylinders are used to press the seat plate onto the fixed platform.

[0012] Preferably, the first clamping unit includes symmetrically arranged first drive cylinders, the cylinder bodies of the first drive cylinders are horizontally mounted on the support frame, and the plurality of first drive cylinders are used to press the seat back assembly tightly against the seat seat plate.

[0013] Preferably, the support frame is provided with a fixing plate, and the cylinder body of the first driving cylinder is horizontally mounted on the fixing plate.

[0014] Preferably, it further includes a second pressing unit for pressing the seat armrest assembly onto the support frame and a locking unit for pressing the seat armrest assembly onto the seat back assembly. The second pressing unit includes symmetrically arranged second rotary pressing cylinders, which are located on one side of the first pressing unit. The cylinder body of the second rotary pressing cylinder and the locking unit are both connected to the support frame. A plurality of second rotary pressing cylinders are used to press the seat armrest assembly onto the support frame.

[0015] Preferably, the support frame is provided with a fixed frame, the cylinder body of the second rotary pressing cylinder is connected to the fixed frame, and multiple second rotary pressing cylinders are used to press the seat armrest assembly onto the support plate.

[0016] Preferably, the second clamping unit includes a symmetrically arranged second drive cylinder and a symmetrically arranged third drive cylinder. The cylinder bodies of the second drive cylinder and the third drive cylinder are both connected to the support frame. The second drive cylinder is used to press the seat armrest assembly against one side of the seat back assembly, and the third drive cylinder is used to press the seat armrest assembly against one side of the seat seat.

[0017] Preferably, the support frame is provided with a first support plate, and the support unit is a second support plate symmetrically arranged on both sides of the support frame. The first support plate is located at one end of the support frame. The cylinder body of the second drive cylinder is connected to the first support plate, and the cylinder body of the third drive cylinder is connected to the second support plate. The second support plate is provided with a fixing rod, and the fixing rod is in close contact with the seat armrest assembly.

[0018] Preferably, the support unit includes a first fixing rod and a second fixing rod. The first fixing rod is connected to the support frame and located on one side of the second clamping unit. The second fixing rod is connected to the support frame and located below the second pressing unit. The first fixing rod is used to support one end of the seat armrest assembly, and the second fixing rod is used to support the other end of the seat armrest assembly.

[0019] One of the above-described technical solutions of this utility model has at least one of the following advantages or beneficial effects:

[0020] This invention uses a first pressing unit to press the seat plate onto a support frame, a support unit to support the seat armrest assembly, and a second pressing unit and a first pressing unit to press the seat armrest assembly tightly against the seat plate and the seat back assembly, respectively. This secures the seat plate, seat armrest assembly, and seat back assembly together, and then conveys them to a welding unit for welding, improving work efficiency and welding quality. Attached Figure Description

[0021] Figure 1 This is a perspective view of the production system of this utility model;

[0022] Figure 2 This is a perspective view of the support frame of this utility model;

[0023] Figure 3 This is a front view of the support frame of this utility model;

[0024] Figure 4 This is a side view of the support frame of this utility model;

[0025] Figure 5 This is a top view of the support frame of this utility model;

[0026] Figure 6 This is a perspective view of the support frame of this utility model without a seat;

[0027] Figure 7 This is a structural diagram of the seat.

[0028] The reference numerals in the accompanying drawings are as follows: 1. Conveying unit; 2. Support frame; 3. Welding unit; 4. Seat seat; 5. Seat armrest assembly; 6. Seat back assembly; 7. Support unit; 8. Locking unit; 21. First pressing unit; 22. First tightening unit; 23. Second pressing unit; 24. Second tightening unit; 25. Fixed platform; 26. First support plate; 27. Second support plate; 28. Fixed frame; 29. ​​Fixed plate; 71. First fixing rod; 72. Second fixing rod; 211. First rotary pressing cylinder; 221. Second drive cylinder; 222. Third drive cylinder; 231. Second rotary pressing cylinder; 241. First drive cylinder; 251. Limiting block. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1

[0031] Please see Figure 1-7 An automated production system for seats includes a conveying unit 1, a support frame 2 connected to the conveying unit 1, and a welding unit 3 located on the conveying unit 1, wherein the conveying unit 1 is used to convey the support frame 2 to the welding unit 3.

[0032] The support frame 2 is provided with a first pressing unit 21 for pressing the seat plate 4 onto the support frame 2, a first pressing unit 22 for pressing the seat back assembly 6 against the seat plate 4, a support unit 7 for supporting the seat armrest assembly 5, and a second pressing unit 24 for pressing the seat armrest assembly 5 against the seat plate 4 and the seat back assembly 6.

[0033] The welding unit 3 is used to weld between the seat armrest assembly 5 and the seat seat 4, between the seat back assembly 6 and the seat armrest assembly 5, and between the seat seat 4 and the seat back assembly 6.

[0034] In practical applications, workers place the seat 4, armrest assembly 5, and backrest assembly 6 onto the support frame 2. It should be noted that the armrest assembly 5 includes the armrests and the front seat legs, both integrally formed. The backrest assembly 6 includes the backrest and the rear seat legs, also integrally formed. Specifically, workers first place the seat 4 onto the support frame 2, then press the seat 4 firmly onto the support frame 2 using the first pressing unit 21. Next, the armrest assembly 5 is placed on both sides of the seat 4 and supported by the support unit 7. Then, the backrest assembly 6 is placed between the armrest assemblies 5 and behind the seat 4. The backrest assembly 6 is pressed tightly against the armrest assembly 5 using the first pressing unit 22. Then, the front seat legs are pressed tightly against both sides of the seat 4 using the second pressing unit. Finally, the support frame 2, containing the seat 4, armrest assembly 5, and backrest assembly 6, is transported to the welding unit 3 for welding via the conveying unit 1, improving work efficiency and welding quality.

[0035] Preferably, the first pressing unit 21 includes a plurality of first rotary pressing cylinders 211, the cylinder bodies of the first rotary pressing cylinders 211 are connected to the support frame 2, and the plurality of first rotary pressing cylinders 211 are used to press the seat plate 4 onto the support frame 2.

[0036] In the above design, the first rotary pressing cylinder 211 can rotate to press the seat plate 4 onto the support frame 2, which makes it convenient for staff to place the seat plate 4 from above the support frame 2.

[0037] Preferably, the support frame 2 is provided with a fixed platform 25 for supporting the seat plate 4. The fixed platform 25 is provided with a plurality of limiting blocks 251. The limiting blocks 251 are used to fix the seat plate 4. The cylinder body of the first rotary pressing cylinder 211 is connected to one side of the limiting block 251. The plurality of first rotary pressing cylinders 211 are used to press the seat plate 4 onto the fixed platform 25.

[0038] With the above design, the seat plate 4 is placed on the fixed platform 25 and pressed onto the fixed platform 25 by a plurality of first rotary pressing cylinders 211. Specifically, in this embodiment, the plurality of first rotary pressing cylinders 211 are respectively located on one side of the limiting block 251. The limiting block 251 can prevent the seat plate 4 from shifting, improve stability, and facilitate the first rotary pressing cylinders 211 to press the seat plate 4.

[0039] Preferably, the first clamping unit 22 includes symmetrically arranged first drive cylinders 241, the cylinder body of the first drive cylinder 241 is horizontally arranged on the support frame 2, and the plurality of first drive cylinders 241 are used to press the seat back assembly 6 against the seat plate 4.

[0040] In this embodiment, the first drive cylinder 241 can press the backrest of the seat back assembly 6 tightly against the seat armrest assembly 5. That is, by pressing the seat plate 4 tightly onto the fixed platform 25, pressing the front seat legs of the seat armrest assembly 5 tightly against the sides of the seat plate 4 and the seat armrests of the seat armrest assembly 5 tightly onto the support plate, and then pressing the seat back assembly 6 tightly against the seat armrests of the seat armrest assembly 5, all parts of the seat are fixed, which helps to improve the welding quality.

[0041] Preferably, the support frame 2 is provided with a fixing plate 29, and the cylinder body of the first driving cylinder 241 is horizontally arranged on the fixing plate 29.

[0042] Through the above design, the first drive cylinder 241 can press the seat back assembly 6 tightly against the seat armrest assembly 5, thereby improving the welding quality.

[0043] Preferably, it further includes a second pressing unit 23 for pressing the seat armrest assembly 5 onto the support frame 2 and a locking unit 8 for pressing the seat armrest assembly 5 onto the seat back assembly 6. The second pressing unit 23 includes symmetrically arranged second rotary pressing cylinders 231. The second rotary pressing cylinders 231 are located on one side of the first pressing unit 22. The cylinder body of the second rotary pressing cylinder 231 and the locking unit 8 are both connected to the support frame 2. A plurality of second rotary pressing cylinders 231 are used to press the seat armrest assembly 5 onto the support frame 2.

[0044] In this embodiment, the second rotary pressing cylinder 231 can press the seat armrest assembly 5 onto the support frame 2. Specifically, the rotary pressing action makes it convenient for workers to place the seat armrest assembly 5 from above the support frame 2. On the other hand, the locking unit 8 can tightly press the seat armrest assembly 5 against the seat back assembly 6, which is beneficial to improving the welding quality. It should be noted that the locking unit 8 in this embodiment is an adjusting screw, but the seat armrest assembly 5 can also be pressed tightly against the seat back assembly 6 by means of a cylinder, hydraulic cylinder, electric cylinder, etc.

[0045] Preferably, the support frame 2 is provided with a fixed frame 28, and the cylinder body of the second rotary pressing cylinder 231 is connected to the fixed frame 28. Multiple second rotary pressing cylinders 231 are used to press the seat armrest assembly 5 onto the support plate.

[0046] Through the above design, the second rotary pressing cylinder 231 can press the seat armrest of the seat armrest assembly 5 onto the support frame 2. Under the combined action of the fixing rod, the second drive cylinder 221 and the second rotary pressing cylinder 231, the seat armrest assembly 5 can be fixed, thereby improving the stability of the seat armrest assembly 5. It should be noted that in this embodiment, the fixing frame 28 is connected to the fixing plate 29, but it can also be connected to the support frame 2.

[0047] Preferably, the second clamping unit 24 includes a plurality of second drive cylinders 221, the cylinder body of the second drive cylinder 221 is connected to the support frame 2, and the power output direction of the second drive cylinder 221 is arranged towards the seat armrest assembly 5.

[0048] In this embodiment, the second drive cylinder 221 can press the front seat leg of the seat armrest assembly 5 tightly against both sides of the seat seat 4. This helps to improve the welding quality of the front seat leg and the seat seat 4. By pressing the seat seat 4 tightly, the front seat leg of the seat armrest assembly 5 and the seat seat 4 can be tightly fitted together, thus improving their stability.

[0049] Preferably, the second clamping unit 24 includes a symmetrically arranged second drive cylinder 221 and a symmetrically arranged third drive cylinder 222. The cylinder bodies of the second drive cylinder 221 and the third drive cylinder 222 are both connected to the support frame 2. The second drive cylinder 221 is used to press the seat armrest assembly 5 against one side of the seat back assembly 6, and the third drive cylinder 222 is used to press the seat armrest assembly 5 against one side of the seat seat 4.

[0050] With the above design, when the second drive cylinder 221 presses against the front seat leg of the seat armrest assembly 5, the fixing rod is close to the seat armrest of the seat armrest assembly 5 to support the seat armrest, and the third drive cylinder 222 can press the seat armrest assembly 5 against one side of the seat plate 4, thereby facilitating welding.

[0051] Preferably, the support frame 2 is provided with a first support plate 26, and the support unit 7 is a second support plate 27 symmetrically arranged on both sides of the support frame 2. The first support plate 26 is located on one end of the support frame 2. The cylinder body of the second drive cylinder 221 is connected to the first support plate 26, and the cylinder body of the third drive cylinder 222 is connected to the second support plate 27. The second support plate 27 is provided with a fixing rod, and the fixing rod is in close contact with the seat armrest assembly 5.

[0052] In the above design, the second drive cylinder 221 and the third drive cylinder 222 are respectively connected to the first support plate 26 and the second support plate 27, so that the seat armrest assembly 5 can be tightly attached to the seat seat plate 4, which facilitates welding. It should be noted that in this embodiment, the first support plate 26 and the second support plate 27 are designed to be at the same height, which is beneficial to apply a more uniform force to the seat armrest assembly 5 when the second drive cylinder 221 is activated.

[0053] Preferably, the support unit 7 includes a first fixing rod 71 and a second fixing rod 72. The first fixing rod 71 is connected to the support frame 2 and is located on one side of the second pressing unit 24. The second fixing rod 72 is connected to the support frame 2 and is located below the second pressing unit 23. The first fixing rod 71 is used to support one end of the seat armrest assembly 5, and the second fixing rod 72 is used to support the other end of the seat armrest assembly 5.

[0054] In this embodiment, the first fixing rod 71 and the second fixing rod 72 respectively support the two ends of the seat armrest assembly 5. Specifically, they mainly support the two ends of the seat armrest. On the other hand, the second rotary clamping cylinder 231 and the second fixing rod 72 can fix the seat armrest. Furthermore, the first fixing rod 71 and the second fixing rod 72 make it easier for the staff to place the seat armrest assembly 5 on the support frame 2, and also facilitate the positioning of the seat armrest accessories.

[0055] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An automated production system for seats, characterized in that, The device comprises a conveying unit, a support frame connected to the conveying unit, and a welding unit on the conveying unit, wherein the conveying unit is used to convey the support frame to the welding unit; The support frame is provided with a first pressing unit for pressing the seat plate against the support frame, a first tightening unit for tightly attaching the seat back assembly to the seat plate, a support unit for supporting the seat armrest assembly, and a second tightening unit for tightly attaching the seat armrest assembly to the seat plate and the seat back assembly; The welding unit is used to weld the seat armrest assembly and the seat plate, the seat back assembly and the seat armrest assembly, and the seat plate and the seat back assembly.

2. An automated seating production system as defined in claim 1, wherein, The first pressing unit comprises a plurality of first rotary pressing cylinders, the cylinder bodies of the first rotary pressing cylinders are connected to the support frame, and the plurality of first rotary pressing cylinders are used to press the seat plate against the support frame.

3. An automated seating production system as defined in claim 2, wherein, The support frame is provided with a fixed platform for supporting the seat plate, the fixed platform is provided with a plurality of limiting blocks for fixing the seat plate, the cylinder bodies of the first rotary pressing cylinders are connected to one side of the limiting blocks, and the plurality of first rotary pressing cylinders are used to press the seat plate against the fixed platform.

4. The automated production system of seats according to claim 1, characterized in that, The first tightening unit comprises symmetrically arranged first driving cylinders, the cylinder bodies of the first driving cylinders are horizontally arranged on the support frame, and the plurality of first driving cylinders are used to tightly attach the seat back assembly to the seat plate.

5. An automated seating production system as defined in claim 4, wherein, The support frame is provided with a fixed plate, and the cylinder bodies of the first driving cylinders are horizontally arranged on the fixed plate.

6. The automated production system of seats according to claim 1, characterized in that, The device further comprises a second pressing unit for pressing the seat armrest assembly against the support frame and a locking unit for pressing the seat armrest assembly against the seat back assembly, the second pressing unit comprises symmetrically arranged second rotary pressing cylinders, the second rotary pressing cylinders are located on one side of the first tightening unit, the cylinder bodies of the second rotary pressing cylinders and the locking unit are connected to the support frame, and the plurality of second rotary pressing cylinders are used to press the seat armrest assembly against the support frame.

7. An automated seating production system as defined in claim 6, wherein, The support frame is provided with a fixed frame, and the cylinder bodies of the second rotary pressing cylinders are connected to the fixed frame.

8. The automated production system of seats according to claim 1, characterized in that, The second tightening unit comprises symmetrically arranged second driving cylinders and symmetrically arranged third driving cylinders, the cylinder bodies of the second driving cylinders and the third driving cylinders are connected to the support frame, the second driving cylinders are used to tightly attach the seat armrest assembly to one side of the seat back assembly, and the third driving cylinders are used to tightly attach the seat armrest assembly to one side of the seat plate.

9. An automated seating production system as defined in claim 8, wherein, The support frame is provided with a first support plate, the support unit comprises symmetrically arranged second support plates on both sides of the support frame, the first support plate is located on one end of the support frame, the cylinder bodies of the second driving cylinders are connected to the first support plate, and the cylinder bodies of the third driving cylinders are connected to the second support plates.

10. The automated production system of seats according to claim 1, characterized in that, The support unit comprises a first fixing rod and a second fixing rod, the first fixing rod is connected to the support frame and located at one side of the second tightening unit, the second fixing rod is connected to the support frame and located below the second tightening unit, the first fixing rod is used for supporting one end of the seat armrest assembly, and the second fixing rod is used for supporting the other end of the seat armrest assembly.

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