Automobile seat cushion tool clamp

Abstract

The utility model discloses an automobile seat cushion work fixture which comprises a base, a bidirectional clamping mechanism and a negative pressure adsorption system. According to the clamping mechanism, a double-end threaded rod in a first frame and a first motor drive two sets of first sliding blocks, and a first hydraulic cylinder and a telescopic rod are matched to control a first fixing frame to achieve vertical clamping. A first lead screw and a second motor which are synchronously arranged in a first vertical plate are in linkage with a second sliding block, and a second hydraulic cylinder drives a second fixing frame to complete horizontal clamping. The adsorption system is integrated in the first empty groove of the base, a honeycomb adsorption plate, a dust screen, a gas guide pipe and an air pump form a closed negative pressure adsorption structure, and the adsorption strength is regulated and controlled through a one-way air valve. According to the clamp, two-way synchronous positioning is achieved through cooperative driving of the two motors, hydraulic precise control and the negative pressure adsorption technology are combined, the cushion clamping efficiency and stability are effectively improved, and the clamp is suitable for automobile cushion batch production line work.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts assembly, and specifically relates to an automobile cushion tool fixture used in the assembly or detection process of an automobile seat, belonging to the technical field of automobile assembly equipment. BACKGROUND

[0002] An automobile cushion tool fixture is a key component of automobile assembly equipment technology. During the production and assembly of automobile cushions, operations such as positioning, press-fitting, fixing, or detection of cushion skeletons, foams, and other components are often required. Currently, tool fixtures are widely used in the assembly process of automobile cushions to improve work efficiency and assembly accuracy. However, existing automobile cushion tool fixtures generally have problems such as single structure, poor adaptability, inconvenient adjustment, and the like, making it difficult to adapt to the assembly needs of different vehicle models or various specifications of cushions. In addition, some fixtures have defects such as inaccurate positioning, insecure clamping, and complex operation during use, which not only affects production efficiency but also increases the labor intensity of workers. Therefore, there is an urgent need for an automobile cushion tool fixture that is structurally reasonable, accurately positioned, highly adaptable, and easy to operate, in order to improve assembly quality and production efficiency and meet the diversification needs of modern automobile manufacturing.

[0003] Chinese patent network discloses "CN218801596U" an automobile cushion tool fixture in the field of automobile parts assembly, which includes a device base, and a workbench fixedly installed on the top of the device base. In the utility model, two groups of clamping blocks are arranged on the second threaded lead screw, the threads of the second threaded lead screw are opposite and fixedly connected, the clamping blocks are symmetrically installed on the second threaded lead screw, the clamping blocks are conveniently moved in opposite directions, two groups of clamping plates are arranged on the first threaded lead screw, the threads of the first threaded lead screw are opposite and fixedly connected, and the clamping plates are symmetrically installed on the first threaded lead screw, which facilitates the movement of the clamping plates in opposite directions, and facilitates the fixation of automobile cushions of different sizes by the fixture. At the same time, a cylinder and a fixed block are arranged, and the outer part of the fixed block is sleeved with a rubber pad with anti-skid lines. This device has the problems that the clamping blocks and clamping plates are only driven to move linearly and symmetrically by threads, lack auxiliary positioning structure, and it is difficult to ensure high-precision positioning of the automobile cushion during clamping, which may cause deviation or angle error, low positioning accuracy, limited flexible clamping capacity, and low adjustment efficiency. The threaded lead screw realizes symmetrical clamping, but manual rotation or control of the motor to rotate the lead screw is still required, and the adjustment process is relatively complicated. SUMMARY

[0004] The utility model discloses a purpose at least solve one of the technical problems existing in prior art, provide a kind of automobile cushion tool fixture, cooperate with regulating valve, buffer air cabin, gas pressure protection device, flow restriction hole, by changing gas flow rate, to adapt to positive pressure air tight test, the setting of regulating valve and flow restriction hole, gas flow and pressure are controllable, satisfy different work needs, improve system adaptability and security.Effective absorption airflow pulse, avoid gas pressure fluctuation, ensure that system runs smoothly, protect rear-end precision device not be impacted.Air pressure in air tight test fixture is adjusted by cooperating with exhaust valve, filter tank, excess air storage tank, prevent gas pressure too big from influencing test fixture, excess air is transported to storage tank by excess air pipeline, realize tail gas recycling, meet environmental protection requirement, reduce operating cost.

[0005] The utility model discloses still provide with above -mentioned one kind automobile cushion tool fixture, it include: base, the base upper surface fixedly connected with first frame, first frame surface is provided with first sliding slot, the inner surface of first sliding slot is provided with double -end threaded rod, first motor is fixedly connected with the outside of double -end threaded rod, and the output of first motor is rotatably connected with double -end threaded rod, and the outside of double -end threaded rod is rotatably connected with first sliding block, and the lower surface of first sliding block is fixedly connected with first hydraulic cylinder, and the lower surface of first hydraulic cylinder is fixedly connected with first telescopic link, and the bottom of first telescopic link is fixedly connected with first fixed frame, and the upper surface of base is fixedly connected with first vertical board, and the upper surface of first vertical board is provided with second sliding slot, and the inside of second sliding slot is provided with first lead screw, and the upper surface of second sliding slot is fixedly connected with second motor, and the output of second motor is fixedly connected with first lead screw, and the outside of first lead screw is rotatably connected with second sliding block, and the outside of second sliding block is fixedly connected with second hydraulic cylinder, and the output of second hydraulic cylinder is fixedly connected with second telescopic link, and the outside of second telescopic link is fixedly connected with second fixed frame;The upper surface of base is provided with first empty slot, and the inside of first empty slot is fixedly connected with honeycomb adsorption board, and the end of first empty slot is fixedly connected with dust screen, and the rear surface of honeycomb adsorption board is fixedly connected with gas guide pipe, and the outside of gas guide pipe is fixedly connected with one-way air valve, and the end of one-way air valve is fixedly connected with air pump.

[0006] According to the utility model provides a kind of automobile cushion tool fixture, the lower surface of base is fixedly connected with support leg, and the lower surface of support leg is provided with support pad.Through above component, can better fix entire automobile cushion tool fixture, ensure that entire fixture can normally work.

[0007] According to the utility model provides a kind of automobile cushion tool fixture, the upper surface of base is fixedly connected with first baffle, and the first baffle is slidably connected with second fixed frame.Through above component, ensure fixed automobile cushion, avoid cushion before and after sliding to influence fixture accuracy.

[0008] The utility model provides a kind of automobile cushion tool fixture, first frame side surface is fixedly connected with first fixed block, the first fixed block inner surface is fixedly connected with brush. Through the above components, dust in the cleaning device is conveniently cleaned.

[0009] The utility model provides a kind of automobile cushion tool fixture, the upper surface of honeycomb adsorption plate is fixedly connected with support plate, and the support plate height is consistent with the height of first empty slot. Through the above components, the bottom air pump can normally suck the automobile cushion.

[0010] The utility model provides a kind of automobile cushion tool fixture, the outer surface of gas duct terminal is fixedly connected with sealing gasket, and the sealing gasket right side is fixedly connected with air pump. Through the above components, the sealing property of air pump is increased, and the device is guaranteed reliable.

[0011] The utility model provides a kind of automobile cushion tool fixture, the upper surface of base is fixedly connected with first horizontal plate, the outer surface of first horizontal plate is fixedly connected with spring, and the other end of spring is fixedly connected with clamping plate. Through the above components, the automobile cushion can be horizontally pushed into the fixture.

[0012] The utility model provides a kind of automobile cushion tool fixture, first sliding slot top end is fixedly connected with limit board. Through the above components, the sliding block is prevented from being excessively moved, and the sliding slot is prevented from being damaged.

[0013] Compared with the prior art, the automobile cushion tool fixture is combined with the composite control mode of motor drive and hydraulic clamping, can realize accurate positioning and stable clamping of automobile cushion, through sliding slot structure and telescopic clamping mechanism, the device has excellent adaptability, can flexibly compatible with different models of cushion, improves flexible manufacturing capacity, through the cooperation of honeycomb adsorption, dust screen, one-way air valve and air pump, realizes the rapid adsorption positioning of cushion, improves clamping efficiency and positioning accuracy, while being provided with dust screen and one-way air valve, ensures that the adsorption system runs stably and has longer service life, and the whole machine structure is safe and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further described below in combination with drawings and embodiments.

[0015] Figure 1 It is a left view structure diagram of the utility model for a kind of automobile cushion tool fixture.

[0016] Figure 2 It is a right view structure diagram of the utility model for a kind of automobile cushion tool fixture.

[0017] Figure 3 It is a bottom view structure diagram of the utility model for a kind of automobile cushion tool fixture.

[0018] Figure 4 The utility model has a front view structure drawing of automobile seat cushion tool fixture.

[0019] Legend:

[0020] 1, base; 2, first frame; 3, first sliding groove; 4, double-threaded rod; 5, first motor; 6, first sliding block; 7, first hydraulic cylinder; 8, first telescopic rod; 9, first fixed frame; 10, first vertical plate; 11, second sliding groove; 12, first screw rod; 13, second motor; 14, second sliding block; 15, second hydraulic cylinder; 16, second telescopic rod; 17, second fixed frame; 18, first hollow groove; 19, honeycomb adsorption plate; 20, dust screen; 21, gas conduit; 22, one-way air valve; 23, air pump; 24, support leg; 25, support pad; 26, first baffle; 27, first fixed block; 28, brush; 29, support plate; 30, sealing pad; 31, first cross plate; 32, spring; 33, clamping plate; 34, limiting plate. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figures 1-4 , the utility model embodiment one kind is automobile seat cushion tool fixture, as Figure 1 shown, the automobile seat cushion tool fixture of this embodiment, it includes: base 1, the upper surface of base 1 is fixedly connected with first frame 2, first frame 2 surface is provided with first sliding groove 3, the inner surface of first sliding groove 3 is provided with double-threaded rod 4, and first sliding groove 3 top is fixedly connected with limiting plate 34. First frame 2 outer side is fixedly connected with first motor 5, and the output end of first motor 5 is rotatably connected with double-threaded rod 4, and the outer surface of double-threaded rod 4 is rotatably connected with first sliding block 6, and the lower surface of first sliding block 6 is fixedly connected with first hydraulic cylinder 7, and the lower surface of first hydraulic cylinder 7 is fixedly connected with first telescopic rod 8, and the bottom of first telescopic rod 8 is fixedly connected with first fixed frame 9, and the upper surface of base 1 is fixedly connected with first vertical plate 10, and the upper surface of first vertical plate 10 is provided with second sliding groove 11, and the inside of second sliding groove 11 is provided with first screw rod 12, and the upper surface of second sliding groove 11 is fixedly connected with second motor 13, and the output end of second motor 13 is fixedly connected with first screw rod 12, and the outer surface of first screw rod 12 is rotatably connected with second sliding block 14, and the outer surface of second sliding block 14 is fixedly connected with second hydraulic cylinder 15, and the output end of second hydraulic cylinder 15 is fixedly connected with second telescopic rod 16, and the outer surface of second telescopic rod 16 is fixedly connected with second fixed frame 17.

[0023] Specifically, the automobile seat cushion is placed in the working area on the upper surface of the base, the bottom surface of the seat cushion is aligned with the honeycomb adsorption plate, the first motor 5 provided outside the first frame 2 is started to drive the double-headed threaded rod 4 to rotate, and the first sliding block 6 is moved left and right along the first sliding groove 3; when the first sliding block moves to the appropriate position, the first hydraulic cylinder 7 is controlled to work to drive the first telescopic rod 8 to move downward, and the first fixed frame 9 is pressed downward to tightly press the seat cushion, so that the vertical clamping action above is realized. The second motor 13 is started to drive the first screw rod 12 to rotate, thereby driving the second sliding block 14 to move along the second sliding groove 11, so that the position of the second hydraulic cylinder 15 can be adjusted according to the size of the side edge of the seat cushion. The second hydraulic cylinder 15 is controlled to extend the second telescopic rod 16, and the second fixed frame 17 is pushed to press the seat cushion from the side to realize the horizontal clamping and fixing of the seat cushion, thereby improving the overall positioning stability.

[0024] The upper surface of the base 1 is provided with a first hollow groove 18, the inner surface of the first hollow groove 18 is fixedly connected with a honeycomb adsorption plate 19, the end of the first hollow groove 18 is fixedly connected with a dust screen 20, the upper surface of the honeycomb adsorption plate 19 is fixedly connected with a support plate 29, and the height of the support plate 29 is consistent with the height of the first hollow groove 18. The rear surface of the honeycomb adsorption plate 19 is fixedly connected with a gas conduit 21, the outer surface of the end of the gas conduit 21 is fixedly connected with a sealing gasket 30, and the right side of the sealing gasket 30 is fixedly connected with a gas pump 23. The outer surface of the gas conduit 21 is fixedly connected with a one-way air valve 22, the end of the one-way air valve 22 is fixedly connected with the gas pump 23. The lower surface of the base 1 is fixedly connected with a support leg 24, and the lower surface of the support leg 24 is provided with a support pad 25. The side surface of the first frame 2 is fixedly connected with a first fixed block 27, and the inner surface of the first fixed block 27 is fixedly connected with a brush 28. The upper surface of the base 1 is fixedly connected with a first cross plate 31, the outer surface of the first cross plate 31 is fixedly connected with a spring 32, and the other end of the spring 32 is fixedly connected with a clamping plate 33.

[0025] Specifically, the overall clamp is ensured to be in a horizontal stable state. It is checked whether the surface of the honeycomb adsorption plate 19 and the dust screen 20 are clean to ensure that the adsorption channel is unobstructed. The gas pump 23 is turned on to draw air into the gas conduit 21 through the one-way air valve 22, so that a stable negative pressure is formed on the surface of the honeycomb adsorption plate 19. Thus, an adsorption negative pressure field is established in the first hollow groove 18. The automobile seat cushion is placed flat on the support plate 29, the support plate 19 is consistent with the height of the first hollow groove 18, the honeycomb adsorption plate 19 forms uniform suction force through the porous structure, the seat cushion is firmly adsorbed on the surface of the clamp to prevent slipping or deviation, and positioning is completed. The vacuum is generated by starting the gas pump to firmly adsorb the seat cushion on the base platform, and positioning is completed.

[0026] Working principle: through the composite mechanism of multidirectional clamping, electric adjustment, hydraulic clamping, realize the fast, accurate, stable clamping of the automobile cushion. First, the operator starts the first motor 5, drives the double-threaded rod 4 in the first frame 2 to rotate, makes the first sliding block 6 move left and right along the first sliding groove 3, then starts the first hydraulic cylinder 7, drives the first telescopic rod 8 and the first fixed frame 9 to move downward, and implements vertical compression on the cushion from above. The second motor 13 on the other side of the device drives the first lead screw 12 to rotate, pushes the second sliding block 14 to move to the preset lateral position in the second sliding groove; through the second hydraulic cylinder 15, the second telescopic rod 16 drives the second fixed frame 17 to clamp the cushion laterally. The two direction clamping structures can be automatically or manually adjusted according to the size of the cushion, realizing high adaptability positioning. After the assembly or detection work is completed, the cushion is placed on the support plate 29 on the upper surface of the base. The first air slot 18 is arranged below the support plate 29, and the honeycomb adsorption plate 19 is arranged inside. It is connected with the air pump 23 through the gas pipe 21, and the one-way air valve 22 is arranged in the gas circuit to form a stable negative pressure system. After the air pump 23 is started, the surface of the honeycomb adsorption plate 19 forms a negative pressure, which adsorbs the cushion on the clamp platform firmly, realizing fast and lossless positioning.

[0027] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A tooling fixture for automotive seat cushions, characterized in that, include: A base (1) is fixedly connected to a first frame (2) on its upper surface. A first groove (3) is provided on the surface of the first frame (2). A double-headed threaded rod (4) is provided on the inner surface of the first groove (3). A first motor (5) is fixedly connected to the outer side of the first frame (2). The output end of the first motor (5) is rotatably connected to the double-headed threaded rod (4). A first slider (6) is rotatably connected to the outer surface of the double-headed threaded rod (4). A first hydraulic cylinder (7) is fixedly connected to the lower surface of the first slider (6). A first telescopic rod (8) is fixedly connected to the lower surface of the first hydraulic cylinder (7). A first fixing frame (9) is fixedly connected to the bottom of the first telescopic rod (8). The base ( 1) A first vertical plate (10) is fixedly connected to the upper surface. A second slide groove (11) is provided on the upper surface of the first vertical plate (10). A first lead screw (12) is provided in the second slide groove (11). A second motor (13) is fixedly connected to the upper surface of the second slide groove (11). The output end of the second motor (13) is fixedly connected to the first lead screw (12). A second slider (14) is rotatably connected to the outer surface of the first lead screw (12). A second hydraulic cylinder (15) is fixedly connected to the outer surface of the second slider (14). A second telescopic rod (16) is fixedly connected to the output end of the second hydraulic cylinder (15). A second fixed frame (17) is fixedly connected to the outer surface of the second telescopic rod (16). The base (1) has a first slot (18) on its upper surface. A honeycomb adsorption plate (19) is fixedly connected to the inner surface of the first slot (18). A dustproof net (20) is fixedly connected to the end of the first slot (18). A gas conduit (21) is fixedly connected to the rear surface of the honeycomb adsorption plate (19). A one-way gas valve (22) is fixedly connected to the outer surface of the gas conduit (21). An air pump (23) is fixedly connected to the end of the one-way gas valve (22).

2. The automotive seat cushion tooling fixture according to claim 1, characterized in that, The base (1) is fixedly connected to a support leg (24), and a support pad (25) is provided on the lower surface of the support leg (24).

3. The automotive seat cushion tooling fixture according to claim 1, characterized in that, The upper surface of the base (1) is fixedly connected to a first baffle (26), and the first baffle (26) and the second fixing frame (17) are slidably connected.

4. The automotive seat cushion tooling fixture according to claim 1, characterized in that, A first fixing block (27) is fixedly connected to the side surface of the first frame (2), and a brush (28) is fixedly connected to the inner surface of the first fixing block (27).

5. The automotive seat cushion tooling fixture according to claim 1, characterized in that, A support plate (29) is fixedly connected to the upper surface of the honeycomb adsorption plate (19), and the height of the support plate (29) is the same as the height of the first empty slot (18).

6. The automotive seat cushion tooling fixture according to claim 1, characterized in that, A sealing gasket (30) is fixedly connected to the outer surface of the end of the gas conduit (21), and the right side of the sealing gasket (30) is fixedly connected to the air pump (23).

7. The automotive seat cushion tooling fixture according to claim 1, characterized in that, A first horizontal plate (31) is fixedly connected to the upper surface of the base (1), and a spring (32) is fixedly connected to the outer surface of the first horizontal plate (31). A clamping plate (33) is fixedly connected to the other end of the spring (32).

8. The automotive seat cushion tooling fixture according to claim 1, characterized in that, The top of the first chute (3) is fixedly connected to a limiting plate (34).

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