Air tightness detection tool for driving shaft part production

Abstract

The utility model belongs to the technical field of drive shaft component production, and particularly relates to an air tightness detection tool for drive shaft component production, which comprises a workbench, a tool base is mounted at the top of the workbench, a fixing frame is connected to the top of the workbench, an SMC cylinder is mounted at the top of the fixing frame, and a motor is mounted at the bottom of the SMC cylinder. A control switch and a leak detector are arranged at the top of the workbench, a fixing rod is fixedly connected to the top of the workbench, and a telescopic rod is arranged at one end of the fixing rod. The motor is started to drive the two-way lead screw to rotate, so that the two connecting blocks in threaded connection with the outer wall of the two-way lead screw can move oppositely along the guide rod, and meanwhile, the arc-shaped clamping plates symmetrically distributed on the outer walls of the two connecting blocks can clamp the two sides of a driving shaft part placed on the tool base; therefore, the situation that the workpiece inclines when the output end of the SMC air cylinder is pressed downwards is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of drive shaft component production, and in particular relates to an air tightness detection tool for the production of drive shaft components. Background Art

[0002] The air tightness test tool for drive shaft component production is a tooling equipment specially used to test the air tightness of drive shaft components. In the production process of drive shaft components, air tightness is a very important performance indicator, which is directly related to the quality and reliability of the components.

[0003] At present, in the process of testing the drive shaft components, the existing air tightness testing tool usually needs to place the workpiece on the tool base first and then press it with a cylinder, and finally detect the air tightness effect with an external leak detector. However, the workpiece is simply placed on the tool base, so the output end of the cylinder may be offset due to the workpiece when pressed down, causing it to collapse and tilt, affecting the detection effect. Utility Model Content

[0004] The purpose of the utility model is to provide an airtightness testing tool for the production of drive shaft components, aiming to solve the problem proposed in the prior art that in the process of testing the drive shaft components, the existing airtightness testing tool usually needs to place the workpiece on the tool base first and then press it with a cylinder, and finally detect the airtightness effect with an external leak detector, but the workpiece is simply placed on the tool base, so the output end of the cylinder may collapse and tilt due to the offset of the workpiece when pressed down, thereby affecting the detection effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an airtightness detection tool for driving shaft component production, comprising a workbench, a tool base is installed on the top of the workbench, a fixing frame is connected to the top of the workbench, an SMC cylinder is installed on the top of the fixing frame, a control switch and a leak detector are arranged on the top of the workbench, a fixing rod is fixedly connected to the top of the workbench, and a telescopic rod is arranged at one end of the fixing rod;

[0006] One end of the telescopic rod is connected to a mounting frame, one end of the mounting frame is installed with a motor, the output end of the motor is connected to a bidirectional screw rod, the outer wall of the bidirectional screw rod is threadedly connected to two connecting blocks, the outer walls of the two connecting blocks are installed with arc-shaped clamping plates, and a guide rod is arranged on the inner side of the mounting frame.

[0007] As a preferred embodiment of the air tightness detection tool for driving shaft component production of the utility model, the end of the connecting block is sleeved on the outer wall of the guide rod.

[0008] As a preferred embodiment of the utility model of an air tightness detection tool for driving shaft component production, one end of the bidirectional screw rod forms a rotation connection structure with the mounting frame through a bearing.

[0009] As a preferred embodiment of the air tightness detection tool for the production of a drive shaft component of the utility model, the arc-shaped clamping plates on the outer walls of the two connecting blocks are symmetrically distributed.

[0010] As a preferred air tightness detection tool for the production of drive shaft components of the utility model, the outer wall of the fixed rod is provided with a plurality of slots, the outer wall of the telescopic rod is fixedly connected with a mounting seat, a pull rod is inserted through one end of the mounting seat, one end of the pull rod is connected with a movable block, one end of the movable block is connected with a bayonet pin, and the outer wall of the pull rod is sleeved with a spring.

[0011] As a preferred embodiment of the utility model of an air tightness detection tool for driving shaft component production, the telescopic rod forms an elastic locking structure with the fixing rod through a slot, a mounting seat, a pull rod, a movable block, a bayonet pin, a spring and the fixing rod.

[0012] As a preferred embodiment of the air tightness detection tool for the production of a drive shaft component of the utility model, the multiple grooves on the outer wall of the fixing rod are distributed at equal intervals.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The bidirectional screw is driven to rotate by starting the motor, so that the two threaded connection blocks on the outer wall can move toward each other along the guide rod. At the same time, the arc-shaped clamping plates symmetrically distributed on the outer walls of the two connection blocks will clamp the two sides of the drive shaft components placed on the tooling base, thereby preventing the workpiece from tilting when the output end of the SMC cylinder is pressed down.

[0015] 2. Use the pull rod to make the movable block drive the bayonet to disengage from the slot, then adjust the telescopic rod to a suitable height and release the pull rod. At this time, the bayonet will be inserted into the corresponding slot under the action of the spring and the movable block to be fixed, thereby adjusting the height of the mounting frame and the two arc-shaped splints to adapt to different drive shaft components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a rear view structural diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the test cross-section structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the enlarged structure of A of the utility model;

[0021] Figure 5 It is a schematic diagram of the enlarged structure of B of the utility model.

[0022] In the figure: 1. workbench; 2. tooling base; 3. fixed frame; 4. SMC cylinder; 5. control switch; 6. leak detector; 7. fixed rod; 8. telescopic rod; 9. mounting frame; 10. motor; 11. bidirectional screw rod; 12. connecting block; 13. arc clamp; 14. guide rod; 15. slot; 16. mounting seat; 17. pull rod; 18. movable block; 19. latch; 20. spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 The utility model provides the following technical solutions: an air tightness detection tool for driving shaft component production, comprising a workbench 1, a tool base 2 is installed on the top of the workbench 1, a fixing frame 3 is connected to the top of the workbench 1, an SMC cylinder 4 is installed on the top of the fixing frame 3, a control switch 5 and a leak detector 6 are arranged on the top of the workbench 1, a fixing rod 7 is fixedly connected to the top of the workbench 1, and a telescopic rod 8 is arranged at one end of the fixing rod 7;

[0025] It should be noted that the model of the leak detector 6 is SI-RD3, and the interface of the leak detector 6 is connected to the interface of the outer wall of the tooling base 2;

[0026] One end of the telescopic rod 8 is connected to a mounting frame 9, one end of the mounting frame 9 is installed with a motor 10, the output end of the motor 10 is connected to a bidirectional screw rod 11, the outer wall of the bidirectional screw rod 11 is threadedly connected to two connecting blocks 12, the outer walls of the two connecting blocks 12 are installed with arc-shaped clamping plates 13, and the inner side of the mounting frame 9 is provided with a guide rod 14;

[0027] It should be noted that the motor 10 has an external power supply connected to the controller.

[0028] Preferably, the end of the connecting block 12 is sleeved on the outer wall of the guide rod 14, one end of the bidirectional screw rod 11 forms a rotating connection structure with the mounting frame 9 through a bearing, and the arc-shaped clamping plates 13 on the outer walls of the two connecting blocks 12 are symmetrically distributed.

[0029] During specific use, the bidirectional screw 11 is driven to rotate by starting the motor 10, so that the two threaded connection blocks 12 on the outer wall can move toward each other along the guide rod 14. At the same time, the arc-shaped clamping plates 13 symmetrically distributed on the outer walls of the two connection blocks 12 will clamp the two sides of the driving shaft component placed on the tooling base 2, thereby preventing the workpiece from tilting when the output end of the SMC cylinder 4 is pressed down.

[0030] Preferably: a plurality of slots 15 are provided on the outer wall of the fixed rod 7, a mounting seat 16 is fixedly connected to the outer wall of the telescopic rod 8, a pull rod 17 is inserted through one end of the mounting seat 16, a movable block 18 is connected to one end of the pull rod 17, a bayonet 19 is connected to one end of the movable block 18, a spring 20 is sleeved on the outer wall of the pull rod 17, and the telescopic rod 8 forms an elastic locking structure with the fixed rod 7 through the slots 15, the mounting seat 16, the pull rod 17, the movable block 18, the bayonet 19, and the spring 20, and the plurality of slots 15 on the outer wall of the fixed rod 7 are evenly spaced.

[0031] During specific use, the movable block 18 is used to drive the latch 19 to disengage from the slot 15 through the pull rod 17, and then the telescopic rod 8 is telescopically adjusted to reach a suitable height and then the pull rod 17 is released. At this time, the latch 19 will be inserted into the corresponding slot 15 under the action of the spring 20 and the movable block 18 to be fixed, thereby adjusting the height of the mounting frame 9 and the two arc-shaped clamping plates 13.

[0032] Working principle: When using the air tightness test tooling for the production of the drive shaft component, first, place the drive shaft component on the tooling base 2, and start the motor 10 to drive the bidirectional screw 11 to rotate, so that the two threaded connection blocks 12 on its outer wall can move toward each other along the guide rod 14. At the same time, the arc-shaped clamping plates 13 symmetrically distributed on the outer walls of the two connection blocks 12 will clamp the two sides of the drive shaft component placed on the tooling base 2. At this time, the SMC cylinder 4 is started by the control switch 5 to press its output end downward. , and then use the leak detector 6 on one side of the tooling base 2 to detect the airtight effect, and before the arc clamping plate 13 clamps the workpiece, the movable block 18 can be used to drive the pin 19 to disengage from the slot 15 through the pull rod 17, and then the telescopic rod 8 is telescopically adjusted to reach a suitable height and then the pull rod 17 is released. At this time, the pin 19 will be inserted into the corresponding slot 15 under the action of the spring 20 and the movable block 18 to be fixed, thereby adjusting the height of the mounting frame 9 and the two arc clamping plates 13 to adapt to different drive shaft components.

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An air tightness testing tool for driving shaft component production, comprising a workbench (1), characterized in that: A tooling base (2) is installed on the top of the workbench (1), a fixing frame (3) is connected to the top of the workbench (1), an SMC cylinder (4) is installed on the top of the fixing frame (3), a control switch (5) and a leak detector (6) are arranged on the top of the workbench (1), a fixing rod (7) is fixedly connected to the top of the workbench (1), and a telescopic rod (8) is arranged at one end of the fixing rod (7); One end of the telescopic rod (8) is connected to a mounting frame (9), one end of the mounting frame (9) is mounted with a motor (10), an output end of the motor (10) is connected to a bidirectional screw rod (11), an outer wall of the bidirectional screw rod (11) is threadedly connected to two connecting blocks (12), outer walls of the two connecting blocks (12) are mounted with arc-shaped clamping plates (13), and a guide rod (14) is arranged on the inner side of the mounting frame (9).

2. The air tightness detection tool for driving shaft component production according to claim 1 is characterized in that: The end of the connecting block (12) is sleeved on the outer wall of the guide rod (14).

3. The air tightness detection tool for driving shaft component production according to claim 1 is characterized in that: One end of the bidirectional screw rod (11) forms a rotation connection structure with the mounting frame (9) via a bearing.

4. The air tightness testing tool for driving shaft component production according to claim 1 is characterized in that: The arc-shaped clamping plates (13) on the outer walls of the two connecting blocks (12) are symmetrically distributed.

5. The air tightness testing tool for driving shaft component production according to claim 1 is characterized in that: The outer wall of the fixed rod (7) is provided with a plurality of slots (15); the outer wall of the telescopic rod (8) is fixedly connected with a mounting seat (16); a pull rod (17) is inserted through one end of the mounting seat (16); one end of the pull rod (17) is connected with a movable block (18); one end of the movable block (18) is connected with a latch (19); and the outer wall of the pull rod (17) is sleeved with a spring (20).

6. The air tightness testing tool for driving shaft component production according to claim 5 is characterized in that: The telescopic rod (8) forms an elastic locking structure with the fixed rod (7) through a locking groove (15), a mounting seat (16), a pull rod (17), a movable block (18), a locking pin (19), and a spring (20).

7. The air tightness testing tool for driving shaft component production according to claim 5 is characterized in that: The plurality of slots (15) on the outer wall of the fixing rod (7) are distributed at equal intervals.

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