CN223070763U - Car seat headrest skeleton welding frock - Google Patents

Abstract

The utility model discloses a welding tool for a car seat headrest frame, including a base and a table panel, wherein a movable plate is provided above the table panel; a mounting frame is provided above the movable plate, wherein a lifting cylinder is provided at the rear end of the mounting frame; the lifting cylinder is movably connected to a connecting rod, wherein a lifting plate is connected to the front end of the connecting rod, and a positioning component is provided on the lifting plate; two groups of clamping components are symmetrically provided on both sides of the mounting frame. The utility model enables the positioning component to flexibly adjust its position according to the size of the frame through the sliding connection between the movable plate and the table panel, and the setting of the lifting cylinder driving the connecting rod and the lifting plate, thereby improving the welding rate and quality; wherein the design of the clamping component ensures the stable clamping of the welding parts of the headrest frame during the welding process, prevents displacement and deformation during the welding process, further improves the welding quality, and has extremely high practicality and market promotion value.

Description

Car seat headrest skeleton welding frock

Technical Field

The utility model relates to the technical field of automobile part machining, in particular to a welding fixture for a headrest framework of an automobile seat.

Background

As a key component of the car seat, car seat headrests continue to innovate and improve in safety, environmental protection, functionality, comfort, etc., and in particular, optimization in comfort and safety is particularly remarkable.

In the production flow of the automobile seat headrest, headrest frameworks of different specifications are required to be welded on the U-shaped frame according to diversified market demands, however, the existing automobile seat headrest framework welding positioning device has the remarkable limitation that in the welding process, the distance between the welding spots of the headrest and the fixed points is too close or covered completely due to the fact that the distance between the positioning devices cannot be flexibly adjusted according to the size of the frameworks, the operation of a welding gun is disturbed, the problem that welding is not in place is caused, the welding efficiency is greatly reduced, the welding quality is seriously influenced, and the practicability of the whole welding tool is poor.

Disclosure of Invention

The utility model aims to provide a welding tool for a headrest framework of an automobile seat, which aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The welding tool for the headrest framework of the automobile seat comprises a base, wherein a deck plate is arranged at the upper end of the base, a movable plate is arranged above the deck plate, the movable plate is in sliding connection with the deck plate, a mounting frame is arranged above the movable plate, a lifting cylinder is arranged at the rear end of the mounting frame, a movable groove is formed in the upper end of the mounting frame, a connecting rod is arranged in the movable groove, the rear end of the connecting rod is movably connected with the lifting cylinder, the front end of the connecting rod penetrates through the movable groove and is fixedly connected with the lifting plate, one side of the lifting plate is in sliding connection with the mounting frame, a positioning assembly is fixedly arranged on one side, far away from the mounting frame, of the lifting plate, two groups of clamping assemblies are symmetrically arranged on two sides of the mounting frame, and the two groups of clamping assemblies are respectively fixedly connected with the movable plate.

The positioning assembly comprises a mounting seat, wherein one side of the mounting seat is fixedly connected with a lifting plate, two groups of rotating motors are arranged below the front end of the mounting seat, a positioning rod is fixedly connected to an output shaft of each rotating motor, an arc-shaped positioning block is arranged on the outer side wall of each positioning rod, a supporting arm is arranged below the lifting plate, one end of each supporting arm is fixedly connected with a mounting frame, the other end of each supporting arm extends to the position below the mounting seat and is provided with a limiting seat, and a limiting groove is formed in the front end of each limiting seat.

The clamping assembly comprises a supporting column, wherein the lower end of the supporting column is fixedly connected with a movable plate, a supporting plate is arranged at the upper end of the supporting column, a clamping cylinder is arranged on one side of the supporting plate, a cylinder body of the clamping cylinder is hinged with the side edge of the supporting plate, a mounting groove is formed in the front end of the supporting plate, a first clamping block is arranged in the mounting groove, a clamping arm is further arranged at the front end of the supporting plate, and the inner side edge of the clamping arm is movably connected with the supporting plate through a connecting piece.

The top end of a piston rod of the clamping cylinder is provided with a first hinging seat, the first hinging seat is hinged with one end of a clamping arm, the other end of the clamping arm extends to the front end of the mounting groove and is fixedly provided with a second clamping block, and the second clamping block is arranged opposite to the first clamping block.

Preferably, the clamping ends of the first clamping block and the second clamping block are obliquely arranged, and arc-shaped clamping grooves are respectively formed in the clamping ends of the first clamping block and the second clamping block.

Preferably, a second hinge seat is arranged at the top end of a piston rod of the lifting cylinder, and the second hinge seat is hinged with the rear end of the connecting rod through a pin shaft.

Preferably, two groups of first sliding blocks are symmetrically arranged on one side, close to the mounting frame, of the lifting plate, and first sliding rails matched with the first sliding blocks are arranged on the mounting frame.

Preferably, two groups of second sliding blocks are symmetrically arranged at the lower end of the movable plate, and second sliding rails matched with the second sliding blocks are arranged on the table top plate.

Preferably, the front end of the table top plate is provided with a first limit stop, wherein the height of the first limit stop is equivalent to the horizontal height of the movable plate, and the rear end of the table top plate is provided with a second limit stop, wherein the height of the second limit stop is equivalent to the horizontal height of the movable plate.

Preferably, the front end of the movable plate is symmetrically provided with supporting blocks, wherein the front end of the supporting blocks is provided with supporting heads.

Compared with the prior art, the positioning assembly has the beneficial effects that the positioning assembly can flexibly adjust the position according to the size of the framework through the sliding connection of the movable plate and the table panel and the arrangement of the lifting cylinder driving connecting rod and the lifting plate, the problem that welding spots are too close to or covered with fixed points is effectively avoided, the interference of a welding gun is reduced, and the welding in-place rate and quality are improved, wherein the rotating motor and the positioning rod in the positioning assembly are matched with the arc-shaped positioning block, so that the headrest frameworks with different shapes and sizes can be accurately positioned, the universality and the adaptability of the tool are improved, and the design of the clamping assembly, particularly the inclined arrangement of the first clamping block and the second clamping block and the arc-shaped clamping groove, ensure the stable clamping of welding parts of the headrest frameworks in the welding process, prevent the displacement and deformation in the welding process, further improve the welding quality, and have extremely high practicability and market popularization value.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic view of the bottom construction of the present utility model;

FIG. 4 is a schematic elevational view of the present utility model;

FIG. 5 is a schematic view of the structure of the clamping assembly of the present utility model;

Fig. 6 is a schematic structural view of the working state of the present utility model.

The device comprises a base, a table panel, a movable plate, a welding part, a 5, a mounting rack, a 6, a lifting cylinder, a 7, a positioning assembly, a 701, a mounting seat, a 702, a rotating motor, a 703, a positioning rod, a 704, an arc-shaped positioning block, an 8, a clamping assembly, a 801, a support column, a 802, a support plate, a 803, a clamping cylinder, a 804, a mounting groove, a 805, a first clamping block, a 806, a clamping arm, a 807, a connecting piece, a 808, a first hinging seat, a 809, a second clamping block, a 9, a connecting rod, a 10, a movable groove, a 11, a lifting plate, a 12, a supporting arm, a 13, a limiting seat, a 14, a limiting groove, a 15, a second hinging seat, a 16, a first sliding block, a 17, a first sliding rail, a 18, a second sliding block, a 19, a second sliding rail, a 20, a first limiting block, a 21, a second limiting block, a 22, a supporting block, a 23 and a supporting head.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 6, to achieve the above objective, the present utility model provides the following technical solutions:

A welding tool for a headrest framework of an automobile seat comprises a base 1, wherein a deck plate 2 is arranged at the upper end of the base 1, a movable plate 3 is arranged above the deck plate 2, the movable plate 3 is in sliding connection with the deck plate 2 and allowed to move in the horizontal direction so as to adapt to welding components 4 with different sizes, a mounting frame 5 is arranged above the movable plate 3, a lifting cylinder 6 is arranged at the rear end of the mounting frame 5 and is used for providing lifting power in the vertical direction, a movable groove 10 is formed in the upper end of the mounting frame 5, a connecting rod 9 is arranged in the movable groove 10, the rear end of the connecting rod 9 is movably connected with the lifting cylinder 6, the front end of the connecting rod 9 penetrates through the movable groove 10 and is fixedly connected with a lifting plate 11, the connecting rod 9 is driven to move through controlling the lifting cylinder 6, so that the connecting rod 9 drives the lifting plate 11 to move vertically, one side of the lifting plate 11 is in sliding connection with the mounting frame 5, a positioning component 7 is fixedly arranged on one side of the lifting plate 11, the positioning component 7 is used for positioning and fixing the welding components 4, two groups of clamping components 8 are symmetrically arranged on the left and right sides of the mounting frame 5, the two groups of clamping components 8 are fixedly connected with the movable plate 3, and the clamping components 8 are fixedly connected with the lifting components 8 respectively, and the lifting components 8 are used for ensuring the stability in the welding process.

Referring to fig. 1 to 4 in combination, as an embodiment of the present utility model, the positioning assembly 7 includes a mounting seat 701, wherein one side of the mounting seat 701 is fixedly connected with a lifting plate 11, two sets of rotating electrical machines 702 are disposed below the front end of the mounting seat 701, a positioning rod 703 is fixedly connected to an output shaft of the rotating electrical machines 702, an arc-shaped positioning block 704 is disposed on an outer side wall of the positioning rod 703, a supporting arm 12 is disposed below the lifting plate 11, one end of the supporting arm 12 is fixedly connected with the mounting frame 5, the other end of the supporting arm 12 extends below the mounting seat 701 and is provided with a limiting seat 13, and a limiting groove 14 is disposed at the front end of the limiting seat 13.

In the above scheme, one side of the mounting seat 701 is fixedly connected with the lifting plate 11, so that the positioning assembly 7 can vertically move along with the lifting plate 11, two groups of rotating motors 702 are arranged below the front end of the mounting seat 701, wherein the output shafts of the rotating motors 702 are fixedly connected with positioning rods 703, arc-shaped positioning blocks 704 are arranged on the outer side walls of the positioning rods 703 and are used for contacting with the welding parts 4 and realizing positioning, a supporting arm 12 is arranged below the lifting plate 11, one end of the supporting arm 12 is fixedly connected with the mounting frame 5 and provides stable support, the other end of the supporting arm 12 extends to the lower side of the mounting seat 701 and is provided with a limiting seat 13, and a limiting groove 14 is formed in the front end of the limiting seat 13 and used for fixing the position of the welding parts 4.

During positioning, the upper end of the welding part 4 is inserted into the limiting groove 14 so as to fix the limiting groove 14, then the lifting cylinder 6 is controlled to drive the connecting rod 9 to drive the lifting plate 11 to descend, the lifting plate 11 drives the positioning component 7 to descend, the mounting seat 701 drives the rotating motor 702 and the positioning rod 703 to synchronously move downwards, after the positioning rod 703 and the limiting seat 13 are positioned at the same horizontal height, the rotating motor 702 is started to drive the positioning rod 703 to rotate, so that the positioning rod 703 drives the arc-shaped positioning block 704 to rotate until the arc-shaped positioning block is contacted with the corresponding part of the welding part 4, accurate control of the rotating motor 702 ensures that the arc-shaped positioning block 704 can be closely attached to the welding part 4, accurate positioning is realized, and the stable and accurate position of the welding part 4 is maintained through cooperation of the positioning rod 703 and the limiting seat 13, and the close attachment of the arc-shaped positioning block and the welding part 4 can effectively prevent movement or deformation in the welding process, so that the welding quality and the welding efficiency are ensured.

Referring to fig. 5, as an embodiment of the present utility model, the clamping assembly 8 includes a support column 801, wherein a lower end of the support column 801 is fixedly connected with the movable plate 3, and a support plate 802 is disposed at an upper end of the support column 801, a clamping cylinder 803 is disposed at one side of the support plate 802, a cylinder body of the clamping cylinder 803 is hinged to a side of the support plate 802, a mounting groove 804 is disposed at a front end of the support plate 802, a first clamping block 805 is disposed in the mounting groove 804, a clamping arm 806 is further disposed at a front end of the support plate 802, an inner side of the clamping arm 806 is movably connected with the support plate 802 through a connecting piece 807, a first hinge seat 808 is disposed at a top end of a piston rod of the clamping cylinder 803, wherein the first hinge seat 808 is hinged to one end of the clamping arm 806, a second clamping block 809 extends to a front end of the mounting groove 804 and is fixedly mounted with the second clamping block 809, the clamping ends of the first clamping block 805 and the second clamping block 809 are obliquely disposed, and the clamping ends of the first clamping block 805 and the second clamping block 809 are respectively provided with arc-shaped clamping grooves.

In the above-mentioned scheme, when the welding component 4 needs to be clamped, the clamping cylinder 803 is started, so that the piston rod of the clamping cylinder 803 starts to extend, and a first hinging seat 808 at the top end of the piston rod of the clamping cylinder 803 pushes one end of the clamping arm 806, and as the inner side edge of the clamping arm 806 is movably connected with the supporting plate 802 through the connecting piece 807, the clamping arm 806 rotates around the connecting piece 807, along with the rotation of the clamping arm 806, a second clamping block 809 at the other end of the clamping arm 806 approaches to the first clamping block 805, when the second clamping block 809 is tightly attached to the first clamping block 805, the welding component 4 is tightly clamped between the two, and the clamping ends of the first clamping block 805 and the second clamping block 809 are obliquely arranged and provided with arc-shaped clamping grooves.

Referring to fig. 2, as an embodiment of the present utility model, a second hinge seat 15 is provided at a top end of a piston rod of the lifting cylinder 6, wherein the second hinge seat 15 is hinged to a rear end of the connecting rod 9 through a pin.

In the above-mentioned scheme, when the lifting cylinder 6 is started, the piston rod starts to extend or retract, because the second hinging seat 15 at the top end of the piston rod is hinged with the rear end of the connecting rod 9 through the pin shaft, the movement of the piston rod is directly transmitted to the connecting rod 9, the connecting rod 9 rotates around the pin shaft when being subjected to the pushing force or pulling force of the piston rod, the rotation movement is converted into the linear lifting movement of the connecting rod 9, because the front end of the connecting rod 9 is fixedly connected with the lifting plate 11, the lifting plate 11 moves up and down along with the lifting of the connecting rod 9, and the lifting plate 11 moves up and down to drive the lifting of the positioning assembly 7, the connection mode not only transmits power, but also allows certain flexibility, and meanwhile, the stability of movement is maintained, so that the lifting plate 11 can accurately lift to a required position, and thus the positioning assembly 7 and the clamping assembly 8 are driven to complete preparation before welding and maintenance work in the welding process.

Referring to fig. 1, as an embodiment of the present utility model, two sets of first sliding blocks 16 are symmetrically disposed on a side of the lifting plate 11 near the mounting frame 5, wherein the mounting frame 5 is provided with a first sliding rail 17 adapted to the first sliding blocks 16.

In the above scheme, two groups of first sliding blocks 16 are symmetrically arranged on one side of the lifting plate 11, which is close to the mounting frame 5, wherein the first sliding blocks 16 are connection points between the lifting plate 11 and the mounting frame 5, first sliding rails 17 matched with the first sliding blocks 16 are arranged on the mounting frame 5, the shape and the size of the first sliding rails 17 are matched with those of the first sliding blocks 16 to ensure that the first sliding blocks 16 can slide in the first sliding rails 17 smoothly, when the lifting cylinder 6 is started, a piston rod of the lifting cylinder starts to extend or retract, the lifting plate 11 is driven by the connecting rod 9 to move up and down, the first sliding blocks 16 slide up and down along the first sliding rails 17 in the lifting process to provide stable guiding and supporting for the lifting plate 11, the cooperation of the first sliding blocks 16 and the first sliding rails 17 ensures the linear motion of the lifting plate 11 in the vertical direction, the deviation or inclination is prevented, the design of the first sliding blocks 16 and the first sliding rails 17 increases the contact area between the lifting plate 11 and the mounting frame 5, the overall stability is improved, and the cooperation between the first sliding blocks 16 and the first sliding rails 17 can bear larger vertical load, and the lifting plate 11 can be prevented from being damaged or deformed due to the fact that the lifting plate is not mounted on the lifting plate or is damaged in the lifting process.

Referring to fig. 4, as an embodiment of the present utility model, two sets of second sliding blocks 18 are symmetrically disposed at the lower end of the movable plate 3, wherein the table top 2 is provided with second sliding rails 19 adapted to the second sliding blocks 18.

In the above scheme, two groups of second sliding blocks 18 are symmetrically arranged at the lower end of the movable plate 3, wherein the second sliding blocks 18 are connection points between the movable plate 3 and the table top plate 2, second sliding rails 19 matched with the second sliding blocks 18 are arranged on the table top plate 2, the shape and the size of the second sliding rails 19 are matched with those of the second sliding blocks 18, the second sliding blocks 18 can slide in the second sliding rails 19 smoothly, when the position of the movable plate 3 needs to be adjusted, the movable plate 3 can slide along the second sliding rails 19 on the table top plate 2 through external force, so that the second sliding blocks 18 can move along the second sliding rails 19, stable guiding and supporting are provided for the movable plate 3, stable sliding along a preset path is ensured, and stability and accuracy of the movable plate 3 after being positioned are ensured.

Referring to fig. 1 and 2 in combination, as an embodiment of the present utility model, the front end of the deck plate 2 is provided with a first limit stop 20, wherein the height of the first limit stop 20 is equal to the horizontal height of the movable plate 3, and the rear end of the deck plate 2 is provided with a second limit stop 21, wherein the height of the second limit stop 21 is equal to the horizontal height of the movable plate 3.

In the above-mentioned scheme, the front end of the deck plate 2 is provided with the first limit stop 20, the rear end of the deck plate 2 is provided with the second limit stop 21, the heights of the first limit stop 20 and the second limit stop 21 are equal to the horizontal height of the movable plate 3, the first limit stop 20 and the second limit stop 21 can be ensured to be in effective contact with the movable plate 3 when the movable plate 3 slides forwards, the front end of the deck plate can be contacted with the first limit stop 20 when the movable plate 3 slides forwards, the first limit stop 20 can prevent the movable plate 3 from continuing to slide forwards, the maximum sliding distance of the front end of the deck plate is limited, the rear end of the deck plate 3 can be similarly contacted with the second limit stop 21 when the movable plate 3 slides backwards, the maximum sliding distance of the rear end of the deck plate is limited, the first limit stop 20 and the second limit stop 21 can not only limit the sliding range of the movable plate 3, but also play a role of positioning to a certain extent, the deck plate 3 can be considered to reach a preset position when the movable plate 3 slides forwards to be contacted with the first limit stop 20 and the second limit stop 21, the maximum sliding range of the deck plate can be ensured, and the service life of the whole equipment can be prolonged due to the fact that the sliding of the deck plate is prolonged.

Referring to fig. 1 and 3 in combination, as an embodiment of the present utility model, the front end of the movable plate 3 is symmetrically provided with a supporting block 22, wherein the front end of the supporting block 22 is provided with a supporting head 23.

In the above-described scheme, when the movable plate 3 slides to the front end of the deck plate 2, the supporting heads 23 on the supporting blocks 22 are brought into contact with the welding members 4, wherein the supporting heads 23 are used for supporting and positioning the welding members 4, and the accuracy and stability of the welding positions of the welding members 4 are ensured.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims (9)

1. The automobile seat headrest framework welding tool comprises a base (1), wherein a table plate (2) is arranged at the upper end of the base (1), and is characterized in that a movable plate (3) is arranged above the table plate (2), the movable plate (3) is in sliding connection with the table plate (2), a mounting frame (5) is arranged above the movable plate (3), a lifting cylinder (6) is arranged at the rear end of the mounting frame (5), a movable groove (10) is formed in the upper end of the mounting frame (5), a connecting rod (9) is arranged in the movable groove (10), the rear end of the connecting rod (9) is movably connected with the lifting cylinder (6), the front end of the connecting rod (9) penetrates through the movable groove (10) and is fixedly connected with a lifting plate (11), one side of the lifting plate (11) is in sliding connection with the mounting frame (5), positioning components (7) are fixedly arranged on one side, far away from the mounting frame (5), of the two groups of clamping components (8) are symmetrically arranged on two sides of the mounting frame (5), and the two groups of the clamping components (8) are fixedly connected with the movable plate (3) respectively.

2. The welding tool for the headrest framework of the automobile seat according to claim 1, wherein the positioning assembly (7) comprises a mounting seat (701), one side of the mounting seat (701) is fixedly connected with a lifting plate (11), two groups of rotating motors (702) are arranged below the front end of the mounting seat (701), a positioning rod (703) is fixedly connected to an output shaft of the rotating motors (702), and an arc-shaped positioning block (704) is arranged on the outer side wall of the positioning rod (703).

3. The welding fixture for the headrest framework of the automobile seat according to claim 1, wherein a supporting arm (12) is arranged below the lifting plate (11), one end of the supporting arm (12) is fixedly connected with the mounting frame (5), the other end of the supporting arm (12) extends to the lower portion of the mounting seat (701) and is provided with a limiting seat (13), and a limiting groove (14) is formed in the front end of the limiting seat (13).

4. The automobile seat headrest framework welding tool according to claim 1, wherein the clamping assembly (8) comprises a supporting column (801), wherein the lower end of the supporting column (801) is fixedly connected with the movable plate (3), a supporting plate (802) is arranged at the upper end of the supporting column (801), a clamping cylinder (803) is arranged on one side of the supporting plate (802), a cylinder body of the clamping cylinder (803) is hinged to the side edge of the supporting plate (802), a mounting groove (804) is formed in the front end of the supporting plate (802), a first clamping block (805) is arranged in the mounting groove (804), a clamping arm (806) is further arranged at the front end of the supporting plate (802), the inner side edge of the clamping arm (806) is movably connected with the supporting plate (802) through a connecting piece (807), a first hinging seat (808) is arranged at the top end of a piston rod of the clamping cylinder (803), the first hinging seat (808) is hinged to one end of the clamping arm (806), the other end of the clamping arm (806) extends to the front end of the mounting groove (804) and is fixedly provided with a second clamping block (809), and the second clamping block (809) is arranged opposite to the first clamping block (805).

5. The welding fixture for the headrest framework of the automobile seat according to claim 4, wherein clamping ends of the first clamping block (805) and the second clamping block (809) are obliquely arranged, and arc-shaped clamping grooves are respectively formed in the clamping ends of the first clamping block (805) and the second clamping block (809).

6. The welding fixture for the headrest framework of the automobile seat according to claim 1, wherein a second hinging seat (15) is arranged at the top end of a piston rod of the lifting cylinder (6), and the second hinging seat (15) is hinged with the rear end of the connecting rod (9) through a pin shaft.

7. The welding fixture for the headrest framework of the automobile seat according to claim 1, wherein two groups of first sliding blocks (16) are symmetrically arranged on one side, close to the mounting frame (5), of the lifting plate (11), and first sliding rails (17) matched with the first sliding blocks (16) are arranged on the mounting frame (5).

8. The welding fixture for the headrest framework of the automobile seat according to claim 1, wherein two groups of second sliding blocks (18) are symmetrically arranged at the lower end of the movable plate (3), and second sliding rails (19) matched with the second sliding blocks (18) are arranged on the table panel (2).

9. The welding fixture for the headrest framework of the automobile seat according to claim 8, wherein supporting blocks (22) are symmetrically arranged at the front ends of the movable plates (3), and supporting heads (23) are arranged at the front ends of the supporting blocks (22).