Corner bending device for net-shaped wire rod frame in automobile seat

Abstract

The utility model relates to a corner bending device of a net-shaped wire rod frame in an automobile seat, which comprises a positioning mechanism, a pressing mechanism and a bending mechanism which are installed on a machine frame, one end of the pressing mechanism can abut against the positioning mechanism, the bending mechanism is located at one end of the positioning mechanism, and the bending mechanism comprises a motor, a shaft sleeve and a die. The shaft sleeve is installed on the motor shaft, the die is installed on the side face of the shaft sleeve, and a gap is reserved between the upper end of the motor shaft and the upper end of the die. After the net-shaped wire frame is positioned, one end of the net-shaped wire frame extends into and abuts against the position between the motor shaft and the mold, rotates along with the motor shaft and drives the shaft sleeve and the mold to rotate, and one end of the net-shaped wire frame is bent around the side face of the motor shaft, convenience and rapidness are achieved, and machining efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seats, in particular to a corner bending device of a mesh wire frame in an automobile seat. Background Art

[0002] The mesh wire frame is an important supporting component of the car seat backrest. The mesh wire frame has multiple bends, which are formed through multiple bending processes. Under the existing technology, the middle part of the mesh wire frame has been bent by an automated device, while the processing of its corners is carried out by hand-held positioning and mechanical bending, which is cumbersome and inefficient. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a corner bending device for a mesh wire rack in an automobile seat, which has convenient and quick positioning and high processing efficiency.

[0004] The technical solution of the utility model is: a corner bending device for a mesh wire rack in a car seat, comprising a positioning mechanism, a clamping mechanism and a bending mechanism installed on a frame, one end of the clamping mechanism can be against the positioning mechanism, and the bending mechanism is located at one end of the positioning mechanism. The bending mechanism comprises a motor, a sleeve and a mold, the sleeve is installed on the motor shaft, the mold is installed on the side of the sleeve, and there is a distance between the upper end of the motor shaft and the upper end of the mold.

[0005] Furthermore, the clamping mechanism is obliquely opposite to the positioning mechanism in the horizontal direction.

[0006] Furthermore, the mold includes an adapter and a truncated cone, the adapter is installed on the side of the sleeve, the truncated cone is installed on the upper end of the adapter, and there is a gap between the upper end of the motor shaft and the truncated cone.

[0007] Furthermore, the shaft sleeve and the adapter are both provided with arc surfaces on their sides, and the shaft sleeve and the adapter are fitted to each other through the arc surfaces.

[0008] Furthermore, the positioning mechanism includes a positioning platform and a baffle, the positioning platform is installed on the frame, the baffle is installed on the side of the positioning platform, and the bending mechanism is located at one end of the positioning platform.

[0009] Furthermore, the upper end surface of the positioning platform, the upper end surface of the shaft sleeve and the upper end surface of the adapter are located in the same horizontal plane.

[0010] Furthermore, a groove is provided on the upper end of the baffle.

[0011] Furthermore, the upper end of the groove is provided with a chamfer.

[0012] Furthermore, the clamping mechanism includes a cylinder, a connecting rod, a bracket, a movable part and a rubber head. The cylinder and the bracket are installed on a frame. The middle part of the connecting rod is rotatably connected to the upper end of the movable part, the lower end of the movable part is rotatably connected to the bracket, the end of the connecting rod is rotatably connected to the cylinder rod of the cylinder, and the rubber head is installed at the front end of the connecting rod, and the rubber head can abut against the positioning platform.

[0013] Furthermore, the connecting rod and the positioning platform have an angle in the horizontal direction.

[0014] Furthermore, the motor is a stepping motor.

[0015] Compared with the prior art, the utility model has the advantages that after the mesh wire rack is positioned, one end thereof extends into and rests between the motor shaft and the mold. As the motor shaft rotates and drives the sleeve and the mold to rotate, one end of the mesh wire rack bends around the side of the motor shaft, which is convenient and fast, and has high processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a top view of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the positioning mechanism of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the clamping mechanism of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the bending mechanism of the utility model;

[0022] Figure 6 This is a diagram of the use state of the utility model;

[0023] Figure 7 yes Figure 6 Enlarged view of point A in the middle.

[0024] Among them: 1. Frame; 2. Positioning mechanism; 21. Positioning platform; 22. Baffle; 2201. Groove; 3. Clamping mechanism; 31. Cylinder; 3101. Cylinder rod; 32. Connecting rod; 33. Bracket; 34. Movable part; 35. Rubber head; 4. Bending mechanism; 41. Motor; 4101. Motor shaft; 42. Bushing; 43. Adapter; 44. Round table; 5. Mesh wire rack. DETAILED DESCRIPTION

[0025] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0026] like Figure 1-7 As shown, a corner bending device for a mesh wire rack in a car seat comprises a positioning mechanism 2, a clamping mechanism 3 and a bending mechanism 4 installed on a frame 1, one end of the clamping mechanism 3 can press the mesh wire rack 5 against the positioning mechanism 2, the bending mechanism 4 is located at one end of the positioning mechanism 2, one end of the mesh wire rack 5 fixed on the positioning mechanism 2 extends into the bending mechanism 4, the bending mechanism 4 comprises a motor 41, a sleeve 42 and a mold, the sleeve 42 is installed on the shaft of the motor 41, the mold is installed on the side of the sleeve 42, there is a gap between the upper end of the motor 41 shaft and the upper end of the mold, one end of the mesh wire rack 5 extends into and presses between the motor 41 shaft and the mold, as the motor 41 shaft rotates and drives the sleeve 42 and the mold to rotate, one end of the mesh wire rack 5 is bent around the side of the motor 41 shaft.

[0027] In the above embodiment, the positioning mechanism 2 includes a positioning platform 21 and a baffle 22, the positioning platform 21 is installed on the frame 1, the baffle 22 is installed on the side of the positioning platform 21, and the mesh wire rack 5 is mounted on the positioning platform 21, and its side is against the baffle 22 and realizes positioning, the bending mechanism 4 is located at one end of the positioning platform 21, and one end of the mesh wire rack 5 located on the positioning platform 21 extends between the motor 41 shaft and the round table 44; the clamping mechanism 3 includes a cylinder 31, a connecting rod 32, a bracket 33, a movable part 34 and a rubber head 35, the cylinder 31 and the bracket 33 are installed on the frame 1, and the connecting rod 32 is installed on the frame 1. The middle part of the rod 32 is rotatably connected to the upper end of the movable part 34, and the lower end of the movable part 34 is rotatably connected to the bracket 33, so that the clamping mechanism 3 as a whole has sufficient freedom, the end of the connecting rod 32 is rotatably connected to the cylinder 31 rod of the cylinder 31, and the rubber head 35 is installed at the front end of the connecting rod 32. The rubber head 35 can push the mesh wire rack 5 against the positioning table 21; the mold includes an adapter 43 and a round table 44, the adapter 43 is installed on the side of the sleeve 42, and the round table 44 is installed at the upper end of the adapter 43, and there is a gap between the upper end of the motor 41 shaft and the round table 44 to provide an embedding space for the mesh wire rack 5.

[0028] In the above embodiment, the clamping mechanism 3 is obliquely opposite to the positioning mechanism 2 in the horizontal direction, that is, the connecting rod 32 and the positioning platform 21 have an angle in the horizontal direction, which can not only make the clamping mechanism 3 avoid other parts of the mesh wire rack 5, but also make the mesh wire rack 5 as close to the positioning mechanism 2 as possible, thereby shortening the length of the connecting rod 32. According to the lever principle, when the distance between the cylinder 31 rod and the bracket 33 remains unchanged, the downward pressure of the rubber head 35 is increased; the upper end surface of the positioning platform 21, the upper end surface of the shaft sleeve 42 and the upper end surface of the adapter 43 are located in the same horizontal plane, so that the mesh wire rack 5 is stably erected on the positioning On the platform 21, the accuracy of the angle during bending is ensured; the sides of the sleeve 42 and the adapter 43 are both provided with arc surfaces, and the sleeve 42 and the adapter 43 fit each other through the arc surfaces, so that the contact area between the sleeve 42 and the adapter 43 is larger, and the force is assisted, so that the mold is more stable when applying force to the mesh wire rack 5; the upper end of the baffle 22 is provided with a groove 2201, and the mesh wire rack 5 can be embedded therein to achieve positioning; the upper end of the groove 2201 is provided with a chamfer, so that the mesh wire rack 5 is easier to embed; the motor 41 is a stepping motor 41, and the rotation angle of the motor 41 can be accurately controlled.

[0029] Description of the working method of this utility model:

[0030] In actual application, the clamping mechanism 3 and the bending mechanism 4 in the present device have four groups, which are distributed in a rectangular shape on the frame 1, and the positioning mechanism 2 has two groups, which are symmetrically distributed between the clamping mechanism 3 and the bending mechanism 4; the middle part of the mesh wire rack 5 is the main bone, and the two sides are the auxiliary bones. The main bone is connected to the auxiliary bones on both sides through the support bones, and the support bones have been bent by a special device in the previous process; after entering this process, the mesh wire rack 5 is set on two symmetrical groups of positioning platforms 21, and the support bones on both sides of the mesh wire rack 5 are embedded in the groove 2201, and the auxiliary bones are just embedded between the two groups of baffles 22. Both ends of the auxiliary bones extend into their respective bending positions, that is, between the motor 41 shaft and the round table 44 of each group of bending mechanisms 4, and the side surfaces at both ends of the auxiliary bones are also It just rests against the side of the motor 41 shaft; after the positioning of the mesh wire rack 5 is completed, the cylinder 31 pushes the connecting rod 32 upward, and under the activity and support of the movable part 34 and the bracket 33, the rubber head 35 at the other end of the connecting rod 32 presses down and rests the auxiliary bone of the mesh wire rack 5 on the positioning platform 21 to complete the clamping work; after the positioning and clamping actions are completed, the stepper motor 41 rotates 90°, pushes the auxiliary bone against the side of the motor 41 shaft and bends it 90°, and the four groups of bending mechanisms 4 act synchronously to bend the four corners of the mesh wire rack 5; after the bending action is completed, the stepper motor 41 retreats 90° to complete the reset, the cylinder 31 retracts and releases the mesh wire rack 5, and the bent mesh wire rack 5 can be taken out.

[0031] The above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A corner bending device for a mesh wire rack in a car seat, characterized in that: It includes a positioning mechanism, a clamping mechanism and a bending mechanism installed on a frame. One end of the clamping mechanism can be against the positioning mechanism. The bending mechanism is located at one end of the positioning mechanism. The bending mechanism includes a motor, a sleeve and a mold. The sleeve is installed on the motor shaft, and the mold is installed on the side of the sleeve. There is a gap between the upper end of the motor shaft and the upper end of the mold.

2. The corner bending device of the mesh wire rack in the car seat according to claim 1, characterized in that: The clamping mechanism is obliquely opposite to the positioning mechanism in the horizontal direction.

3. The corner bending device of the mesh wire rack in the car seat according to claim 1, characterized in that: The mold comprises an adapter and a truncated table. The adapter is mounted on the side of the shaft sleeve, and the truncated table is mounted on the upper end of the adapter. There is a distance between the upper end of the motor shaft and the truncated table.

4. The corner bending device of the mesh wire rack in the car seat according to claim 3, characterized in that: The shaft sleeve and the adapter are both provided with arc surfaces on their sides, and the shaft sleeve and the adapter are fitted to each other through the arc surfaces.

5. The corner bending device of the mesh wire rack in the car seat according to claim 3, characterized in that: The upper end surface of the positioning mechanism, the upper end surface of the shaft sleeve and the upper end surface of the adapter are located in the same horizontal plane.

6. The corner bending device of the mesh wire rack in the car seat according to claim 1, characterized in that: The positioning mechanism comprises a positioning platform and a baffle, wherein the positioning platform is mounted on a frame, the baffle is mounted on a side of the positioning platform, and the bending mechanism is located at one end of the positioning platform.

7. The corner bending device of the mesh wire rack in the car seat according to claim 6, characterized in that: The upper end of the baffle is provided with a groove, and the upper end of the groove is provided with a chamfer.

8. The corner bending device of the mesh wire rack in the car seat according to claim 6, characterized in that: The clamping mechanism includes a cylinder, a connecting rod, a bracket, a movable part and a rubber head. The cylinder and the bracket are installed on a frame. The middle part of the connecting rod is rotatably connected to the upper end of the movable part, the lower end of the movable part is rotatably connected to the bracket, the end of the connecting rod is rotatably connected to the cylinder rod of the cylinder, and the rubber head is installed at the front end of the connecting rod, and the rubber head can abut against the positioning platform.

9. The corner bending device of the mesh wire rack in the car seat according to claim 8, characterized in that: The connecting rod and the positioning platform form an angle in the horizontal direction.

10. The corner bending device of the mesh wire rack in the car seat according to claim 1, characterized in that: The motor is a stepping motor.

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