Outer ball head and check nut tightening clamp

Abstract

The utility model discloses an outer ball head and check nut tightening clamp which comprises a clamp main machine body, a clamp base is installed on the right side of the upper end of the clamp main machine body, a roller lever type valve is installed at the front end of the clamp main machine body, a clamping jaw A is installed at the left end of the clamp main machine body, and a clamping jaw B is installed at the right end of the clamp main machine body. The device is provided with a set of outer ball head assembly tool, an outer ball head and a nut are screwed on an inner pull rod, then the nut is tightened backwards, the set of tool is provided with three sets of male clamping jaw air cylinders to clamp the nut and the two ends of the outer ball head respectively, due to the fact that the tool needs to be replaced quickly, a gas path system is also designed to be replaced quickly, and eight gas path holes with sealing rings are formed in the upper portion and the lower portion. The nut clamping jaw is matched with eight positioning pins with air holes in the middle on equipment to achieve quick change of an air channel, a roller lever type valve is arranged on the side face, the valve can be triggered to be opened when the nut clamping jaw is opened, whether the nut clamping jaw is opened or not is judged by monitoring air pressure changes of the air channel, and machine collision accidents during automatic nut tightening are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field related to an outer ball head and a tightening nut tightening fixture, and in particular relates to an outer ball head and a tightening nut tightening fixture. Background Art

[0002] The outer ball head and the tightening nut tightening fixture is a tool used to install and remove the outer ball head and the tightening nut. It usually consists of a fixture and a handle, which can be used to fix the outer ball head or the tightening nut for tightening or loosening operations. This tool is usually used in automobile maintenance and other mechanical equipment maintenance.

[0003] During the assembly process of the outer ball head and the nut, a collision accident is prone to occur when the nut is automatically tightened, which will damage the tooling and workpiece, thereby reducing the safety of the work. Utility Model Content

[0004] The purpose of the utility model is to provide an outer ball head and a tightening nut tightening fixture to solve the problem that during the outer ball head and nut assembly process proposed in the above background technology, a collision accident is likely to occur when the nut is automatically tightened, which will damage the tooling and workpiece, thereby reducing the safety of the work.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an outer ball head and tightening nut tightening clamp, comprising a clamp main body, a clamp base is installed at the upper right position of the clamp main body, an outer ball head end clamp is installed at the right end of the clamp base, the outer ball head end clamp is controlled and set by a quick-change handle located at the lower position of the front end, a clamp quick-change base plate is installed at the right end of the outer ball head end clamp, and the clamp quick-change base plate is controlled and set by a quick-change handle installed at the middle position of the upper end. The model identification chip identifies the model of the part, the left end of the clamp quick-change base plate is installed with an air circuit at the upper position, the clamp quick-change base plate is positioned by the type-changing positioning pin located at the lower position of the right end, a roller lever valve is installed at the front end position of the clamp main body, the left end of the clamp main body is installed with an outer ball head bottom clamp claw cylinder at the internal position, the lower end position of the outer ball head bottom clamp claw cylinder is installed with a nut clamp claw cylinder, and the left end position of the clamp main body is installed with clamp A.

[0006] Preferably, the fixture base stably places the external device at the upper end of the workbench of the fixture main body.

[0007] Preferably, the quick-change handle enables the quick-change base plate of the clamp to be quickly replaced.

[0008] Preferably, the roller lever valve can control the starting system of the clamp so that the clamp can achieve clamping and loosening operations.

[0009] Preferably, the nut clamping cylinder can control the tightening and loosening of the nut.

[0010] Preferably, the type change identification chip can identify the type and size of the outer ball head or the tightening nut used.

[0011] Preferably, the outer ball head end claw clamps the outer ball head.

[0012] Preferably, the air circuit provides pneumatic power to the clamp.

[0013] Compared with the prior art, the utility model provides an outer ball head and a tightening nut tightening fixture, which has the following beneficial effects:

[0014] 1. This device has a set of outer ball head assembly tooling. The outer ball head and nut are screwed onto the inner pull rod, and then the nut is tightened back. This set of tooling has three sets of SCHUNK clamping claws and cylinders to clamp the nut and the two ends of the outer ball head respectively. Since the tooling needs to be quickly replaced, the air circuit system is also designed for quick replacement. There are eight air circuit holes with sealing rings on the upper and lower parts. With the eight positioning pins with air holes in the middle on the equipment, the air circuit can be quickly replaced. The side is equipped with a roller lever valve. When the nut clamp is opened, the valve will be triggered to open. By monitoring the air pressure changes in the air circuit, it can be judged whether the nut clamp is open to avoid collision accidents when the nut is automatically tightened.

[0015] 2. This tool is used for the outer ball head and nut screwing and tightening equipment in the Geely DX11 EPS general assembly line. The outer ball head is screwed into the specified depth of the inner tie rod, and then the nut and the outer ball head are tightened with a torque of twelve Nm. The outer ball head is longer and has a universal joint on one side. We use two clamps to clamp the outer ball head and one clamp to clamp the nut. The tool has a quick-change base and a quick-change gas line function, which can be quickly changed to meet the assembly requirements of the outer ball heads of different products and is highly flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic diagram of the structure of an outer ball head and a tightening nut tightening fixture base.

[0017] Figure 2 The utility model is a schematic diagram of the side structure of an outer ball head and a tightening nut tightening fixture.

[0018] Figure 3 The utility model is a front view structural schematic diagram of an outer ball head and a tightening nut tightening fixture.

[0019] Figure 4 The utility model is a schematic diagram of a top view of the structure of an outer ball head and a tightening nut tightening fixture.

[0020] In the figure: 1. main body of the clamp; 2. base of the clamp; 3. quick-change base plate of the clamp; 4. quick-change handle; 5. roller lever valve; 6. nut clamp jaw cylinder; 7. outer ball head bottom clamp jaw cylinder; 8. clamp jaw A; 9. type change identification chip; 10. type change positioning pin; 11. outer ball head end clamp jaw; 12. air circuit. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-4 The outer ball head and tightening nut tightening fixture shown in the figure comprises a fixture main body 1, a fixture base 2 is installed at the upper right position of the fixture main body 1, an outer ball head end clamp 11 is installed at the right end position of the clamp base 2, the outer ball head end clamp 11 is controlled and set by a quick-change handle 4 located at the lower position of the front end, a fixture quick-change base plate 3 is installed at the right end position of the outer ball head end clamp 11, and the fixture quick-change base plate 3 is connected to the part through a type change recognition chip 9 installed at the middle position of the upper end The model is identified, the left end of the clamp quick-change base plate 3 is installed with an air circuit 12 at the upper position, the clamp quick-change base plate 3 is positioned by the change-type positioning pin 10 located at the lower position of the right end, a roller lever valve 5 is installed at the front end position of the clamp main body 1, and the left end of the clamp main body 1 is installed with an outer ball head bottom clamp claw cylinder 7 at the internal position, and a nut clamp claw cylinder 6 is installed at the lower end position of the outer ball head bottom clamp claw cylinder 7, and a clamp claw A8 is installed at the left end position of the clamp main body 1.

[0023] Screw the outer ball head and the nut onto the inner tie rod, then tighten the nut back. This tooling has three sets of SCHUNK gripper cylinders to clamp the nuts and the two ends of the outer ball head respectively. Since the tooling needs to be quickly replaced, the gas circuit 12 system is also designed for quick replacement. There are eight gas circuit 12 holes with sealing rings on the upper and lower parts. With the eight positioning pins with air holes in the middle on the equipment, quick replacement of gas circuit 12 is achieved. A roller lever valve 5 is provided on the side. When the nut gripper is opened, the valve will be triggered to open. By monitoring the air pressure changes in gas circuit 12, it is determined whether the nut gripper is open to avoid collision accidents when automatically tightening the nut.

[0024] like Figure 1 and Figure 2As shown, the clamp base 2 places the external device stably on the upper end of the workbench of the clamp main body 1, the quick-change handle 4 allows the clamp quick-change base plate 3 to be quickly replaced, the roller lever valve 5 can control the starting system of the clamp so that the clamp can achieve clamping and loosening operations, the nut clamping claw cylinder 6 can control the clamping and loosening of the nut, the type change identification chip 9 can identify the model and size of the outer ball head or tightening nut used, the outer ball head end claw 11 clamps the outer ball head, and the air circuit 12 provides pneumatic power to the clamp.

[0025] Screw the outer ball head into the specified depth of the inner tie rod, and then tighten the nut and the outer ball head with a torque of twelve Nm. The outer ball head is longer and has a universal joint on one side. We use two jaws to clamp the outer ball head and one jaw to clamp the nut. The tooling has a quick-change base and 12 quick-change functions for the air line. It can be quickly changed to meet the assembly requirements of the outer ball heads of different products and is highly flexible.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An outer ball head and a tightening nut tightening fixture, characterized in that: The invention comprises a clamp main body (1), wherein a clamp base (2) is installed at the right position of the upper end of the clamp main body (1), an outer ball head end clamping claw (11) is installed at the right end position of the clamp base (2), the outer ball head end clamping claw (11) is controlled and set by a quick-change handle (4) located at the lower position of the front end, a clamp quick-change base plate (3) is installed at the right end position of the outer ball head end clamping claw (11), and the clamp quick-change base plate (3) identifies the model of the part through a type change identification chip (9) installed at the middle position of the upper end, and the clamp The left end of the fixture quick-change base plate (3) is installed with an air circuit (12) at an upper position, and the fixture quick-change base plate (3) is positioned by a change-type positioning pin (10) located at a lower position of the right end. A roller lever valve (5) is installed at the front end of the fixture main body (1), and an outer ball head bottom clamping claw cylinder (7) is installed at an inner position on the left end of the fixture main body (1). A nut clamping claw cylinder (6) is installed at the lower end of the outer ball head bottom clamping claw cylinder (7), and a clamping claw A (8) is installed at the left end of the fixture main body (1).

2. The outer ball head and tightening nut tightening fixture according to claim 1, characterized in that: The clamp base (2) stably places the external device at the upper end of the workbench of the clamp main body (1).

3. The outer ball head and tightening nut tightening fixture according to claim 1, characterized in that: The quick-change handle (4) enables the quick-change base plate (3) of the clamp to be quickly replaced.

4. The outer ball head and tightening nut tightening fixture according to claim 1, characterized in that: The roller lever valve (5) can control the starting system of the clamp so that the clamp can achieve clamping and loosening operations.

5. The outer ball head and tightening nut tightening fixture according to claim 1, characterized in that: The nut clamping jaw cylinder (6) can control the tightening and loosening of the nut.

6. The outer ball head and tightening nut tightening fixture according to claim 1, characterized in that: The type change identification chip (9) can identify the type and size of the outer ball head or the tightening nut used.

7. The outer ball head and tightening nut tightening fixture according to claim 1, characterized in that: The outer ball head end clamp (11) clamps the outer ball head.

8. The outer ball head and tightening nut tightening fixture according to claim 1, characterized in that: The air circuit (12) provides pneumatic power to the clamp.

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