Bearing drilling precision adjusting device

Abstract

The utility model discloses a bearing drilling precision adjusting device, and relates to the technical field of bearing machining. The air expansion device comprises a workbench, a bottom plate and a second hydraulic rod, a first mounting hole is formed in the upper surface of the workbench, an air expansion rod is mounted in the first mounting hole, an air cavity and a plurality of valve cavities are formed in the air expansion rod, a plurality of connecting air channels are formed in the inner wall of the air cavity, the other ends of the connecting air channels are connected with the valve cavities, and a valve body is mounted in each valve cavity. And a push rod is fixedly installed on one surface of the valve body, the push rod penetrates through the inflatable rod, a push plate is fixedly installed at one end of the push rod, and a reset spring is installed on the peripheral surface of the push rod. By arranging the inflatable rod and the push plate, high-pressure gas enters the gas cavity and the valve cavity and then pushes the valve body to move, rapid positioning and locking of a bearing can be achieved, the bearing drilling precision is ensured, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing processing, in particular to a bearing drilling precision regulating device. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. my country's bearing industry has developed rapidly, with a wide range of bearing varieties, product quality and technical levels from low to high, and the scale of the industry from small to large. A professional production system with a basically complete range of products and a relatively reasonable production layout has been formed.

[0003] In the current bearing drilling work, most of the work is done by manual material placement and positioning, and then the equipment is operated to clamp and fix the workpiece. Generally, the outer wall is clamped to fix the workpiece, which can easily cause the workpiece to shift during drilling and the accuracy of the hole cannot be ensured. In order to solve the above problems, a bearing drilling accuracy adjustment device is proposed. Utility Model Content

[0004] The utility model aims to provide a bearing drilling precision adjustment device to solve the problem that in the current bearing drilling work, most of the workpieces are positioned manually, and then the equipment is operated to clamp and fix the workpiece. Generally, the outer wall is clamped to fix the workpiece, which easily causes the workpiece to shift during the drilling work and cannot ensure the accuracy of the hole.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a bearing drilling precision adjustment device, comprising a workbench, a base plate and a second hydraulic rod, the upper surface of the workbench is provided with a first mounting hole, an expansion rod is installed in the first mounting hole, an air cavity and a plurality of valve cavities are provided in the expansion rod, a plurality of connecting air channels are provided on the inner wall of the air cavity, the other end of the connecting air channel is connected to the valve cavity, a valve body is installed in the valve cavity, a push rod is fixedly installed on one surface of the valve body, the push rod passes through the expansion rod and a push plate is fixedly installed on one end, and a reset spring is installed on the peripheral surface of the push rod.

[0007] A second mounting hole is provided on the upper surface of the workbench, a threaded hole is provided on the upper surface of the second hydraulic rod, a bolt is installed in the threaded hole, a pin is fixedly installed on the upper surface of the bolt, and the pin is located in the second mounting hole.

[0008] A connecting base is fixedly mounted on the lower surface of the inflatable rod, an air inlet passage is provided in the connecting base, one end of the air inlet passage is connected to the air cavity, and an air inlet valve is installed in the other end of the air inlet passage.

[0009] Wherein, a first hydraulic rod is fixedly mounted on the upper surface of the base plate, and the upper surface of the first hydraulic rod is fixedly connected to the lower surface of the connection base.

[0010] Among them, a plurality of second columns are fixedly installed on the upper surface of the base plate, a mounting plate is fixedly installed on the upper surface of the second columns, a rodless cylinder is fixedly installed on the upper surface of the mounting plate, a second slider is provided on the rodless cylinder, and the upper surface of the second slider is fixedly connected to the second hydraulic rod.

[0011] Among them, the upper surface of the workbench is symmetrically provided with a clamping groove, and a first slider is slidably installed in the clamping groove. The upper surface of the workbench is symmetrically fixed with a fixing plate, and a hydraulic telescopic rod is fixedly installed on one surface of the fixing plate, and one end of the hydraulic telescopic rod is fixedly connected to the first slider.

[0012] A mounting groove is provided on one surface of the first sliding block, a mounting block is installed in the mounting groove, a clamping plate is fixedly installed on one surface of the mounting block, and a rubber pad is fixedly installed on one surface of the clamping plate.

[0013] Wherein, a plurality of first columns are fixedly installed on the lower surface of the workbench, and the lower surface of the first columns is fixedly connected to the bottom plate.

[0014] Wherein, the valve cavity and the valve body are slidably matched.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model is provided with an air expansion rod and a push plate. After the high-pressure gas enters the air cavity and the valve cavity, the valve body is pushed to move, so that the bearing can be quickly positioned and locked, the bearing drilling accuracy is ensured, and the utility model is highly practical.

[0017] 2. The utility model provides a pin rod, and multiple mounting holes need to be drilled for bearing assembly. After drilling the first hole, the pin rod is inserted into the hole to fix the bearing, thereby ensuring the accuracy of the positions of other drilling holes.

[0018] 3. The utility model can adjust the position of the pin rod by arranging a rodless cylinder, and can clamp and position bearings of different sizes.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are 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 creative work.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0023] Figure 3 for Figure 2 AA cross-sectional structural diagram;

[0024] Figure 4 for Figure 1 A schematic diagram of the partially enlarged structure at B in the middle;

[0025] Figure 5 for Figure 3 Schematic diagram of the partial enlarged structure at point C in the middle.

[0026] In the accompanying drawings, the list of parts represented by each reference numeral is as follows: 1. workbench; 2. first column; 3. bottom plate; 4. second column; 5. fixing plate; 6. hydraulic telescopic rod; 7. rubber pad; 8. gas expansion rod; 9. clamping plate; 10. clamping slide groove; 11. first slider; 12. first mounting hole; 13. air cavity; 14. air intake valve; 15. air intake channel; 16. first hydraulic rod; 17. connecting base; 18. mounting plate; 19. rodless cylinder; 20. second slider; 21. push rod; 22. second mounting hole; 23. pin rod; 24. mounting block; 25. mounting groove; 26. connecting air channel; 27. valve cavity; 28. valve body; 29. ​​return spring; 30. second hydraulic rod; 31. threaded hole; 32. bolt; 33. push plate. DETAILED DESCRIPTION

[0027] 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 of 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.

[0028] See also Figure 1-Figure 5As shown, the utility model is a bearing drilling precision adjustment device, including a workbench 1, a base plate 3 and a second hydraulic rod 30. A first mounting hole 12 is provided on the upper surface of the workbench 1, and a gas expansion rod 8 is installed in the first mounting hole 12. An air cavity 13 and a plurality of valve cavities 27 are provided in the gas expansion rod 8. A plurality of connecting air channels 26 are provided on the inner wall of the air cavity 13. The other end of the connecting air channel 26 is connected to the valve cavity 27. A valve body 28 is installed in the valve cavity 27. A push rod 21 is fixedly installed on one surface of the valve body 28. The push rod 21 passes through the gas expansion rod 8 and a push plate 33 is fixedly installed on one end. A reset spring 29 is installed on the peripheral surface of the push rod 21. By arranging the gas expansion rod 8 and the push plate 33, the high-pressure gas enters the air cavity 13 and the valve cavity 27 and then pushes the valve body 28 to move, so as to realize rapid positioning and locking of the bearing, ensure the bearing drilling precision, and has strong practicality.

[0029] Among them, a second mounting hole 22 is opened on the upper surface of the workbench 1, and a threaded hole 31 is opened on the upper surface of the second hydraulic rod 30. A bolt 32 is installed in the threaded hole 31. A pin rod 23 is fixedly installed on the upper surface of the bolt 32. The pin rod 23 is located in the second mounting hole 22. By setting the pin rod 23, multiple mounting holes need to be drilled for bearing assembly. After drilling the first hole, the pin rod 23 is inserted into the hole to fix the bearing, thereby ensuring the accuracy of the positions of other drilling holes.

[0030] Among them, a connecting base 17 is fixedly installed on the lower surface of the expansion rod 8, and an air intake channel 15 is opened in the connecting base 17. One end of the air intake channel 15 is connected to the air cavity 13, and an air intake valve 14 is installed in the other end of the air intake channel 15. By setting the air intake valve 14, the gas inflow and outflow of the air cavity 13 can be controlled to complete the locking and loosening of the bearing.

[0031] Among them, a first hydraulic rod 16 is fixedly installed on the upper surface of the base plate 3, and the upper surface of the first hydraulic rod 16 is fixedly connected to the lower surface of the connecting base 17. By setting the first hydraulic rod 16, the first hydraulic rod 16 controls the lifting and lowering of the gas expansion rod 8. It only needs to push the bearing to the top of the gas expansion rod 8 to automatically complete the positioning and locking work, thereby improving work efficiency. At the same time, it can also be combined with other equipment to complete automatic loading and unloading work.

[0032] Among them, a plurality of second columns 4 are fixedly installed on the upper surface of the base plate 3, a mounting plate 18 is fixedly installed on the upper surface of the second column 4, a rodless cylinder 19 is fixedly installed on the upper surface of the mounting plate 18, a second slider 20 is provided on the rodless cylinder 19, and the upper surface of the second slider 20 is fixedly connected to the second hydraulic rod 30. By setting the rodless cylinder 19, the position of the pin rod 23 can be adjusted, so that bearings of different sizes can be clamped and positioned.

[0033] Among them, the upper surface of the workbench 1 is symmetrically provided with a clamping groove 10, and a first sliding block 11 is slidably installed in the clamping groove 10. The upper surface of the workbench 1 is symmetrically fixed with a fixing plate 5, and a hydraulic telescopic rod 6 is fixedly installed on one surface of the fixing plate 5. One end of the hydraulic telescopic rod 6 is fixedly connected to the first sliding block 11. By setting the hydraulic telescopic rod 6, the first sliding block 11 is pushed to slide, so as to clamp the outer wall of the bearing to prevent the workpiece from moving during drilling.

[0034] Among them, a mounting groove 25 is opened on one surface of the first slider 11, and a mounting block 24 is installed in the mounting groove 25. A clamping plate 9 is fixedly installed on one surface of the mounting block 24, and a rubber pad 7 is fixedly installed on one surface of the clamping plate 9. By setting the mounting block 24 and the mounting groove 25, the clamping plate 9 can be quickly disassembled and assembled, and different clamping plates 9 can be replaced according to different products, so that the supporting plate 9 is more closely fitted to the outer wall of the bearing, effectively ensuring the reliability of fixation.

[0035] Among them, a plurality of first columns 2 are fixedly installed on the lower surface of the workbench 1, and the lower surface of the first columns 2 is fixedly connected to the bottom plate 3. By arranging a plurality of columns 2, the whole device is lifted to improve the stability of the device.

[0036] The valve cavity 27 and the valve body 28 are slidably matched. By setting the sliding match between the valve cavity 27 and the valve body 28, the high-pressure gas enters the air cavity 13 and the valve cavity 27 and pushes the valve body 28 to move, so that the bearing can be quickly positioned and locked.

[0037] Example: Figure 1-Figure 5 As shown, the use method of the bearing drilling precision adjustment device of the utility model is as follows: when using the utility model, first push the workpiece to the top of the gas expansion rod 8, start the equipment, the first hydraulic rod 16 works to push the gas expansion rod 8 up, and then the high-pressure gas enters the air cavity 13 and the valve cavity 27 through the air inlet valve 14, and pushes the push plate 33 to lock and position the inner wall of the bearing, the hydraulic telescopic rod 6 works, and pushes the clamping plate 9 to clamp the outer wall of the bearing again, according to the drilling size, the rodless cylinder 19 works, drives the pin rod 23 to move to the specified position, and then starts drilling, after the first drilling is completed, the second hydraulic rod 30 works to push the pin rod 23 into the drilled hole to prevent the workpiece from shifting during subsequent drilling, and ensure that all drilling positions are accurate, after all drilling is completed, the air inlet valve 14 exhausts to the outside, and the reset spring 29 completes the reset of the push plate 33, and then the hydraulic telescopic rod 6, the first hydraulic rod 16 and the second hydraulic rod 30 shrink, and the bearing that needs to be drilled can be replaced.

[0038] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A bearing drilling precision adjustment device, comprising a workbench (1), a base plate (3) and a second hydraulic rod (30), characterized in that: The upper surface of the workbench (1) is provided with a first mounting hole (12), an inflatable rod (8) is installed in the first mounting hole (12), an air cavity (13) and a plurality of valve cavities (27) are provided in the inflatable rod (8), a plurality of connecting air passages (26) are provided on the inner wall of the air cavity (13), the other end of the connecting air passage (26) is connected to the valve cavity (27), a valve body (28) is installed in the valve cavity (27), a push rod (21) is fixedly installed on one surface of the valve body (28), the push rod (21) passes through the inflatable rod (8) and a push plate (33) is fixedly installed on one end, and a return spring (29) is installed on the peripheral surface of the push rod (21).

2. The bearing drilling precision adjustment device according to claim 1, characterized in that: The upper surface of the workbench (1) is provided with a second mounting hole (22), the upper surface of the second hydraulic rod (30) is provided with a threaded hole (31), a bolt (32) is installed in the threaded hole (31), a pin rod (23) is fixedly installed on the upper surface of the bolt (32), and the pin rod (23) is located in the second mounting hole (22).

3. The bearing drilling precision adjustment device according to claim 1, characterized in that: A connecting base (17) is fixedly mounted on the lower surface of the inflation rod (8), an air intake passage (15) is provided in the connecting base (17), one end of the air intake passage (15) is connected to the air cavity (13), and an air intake valve (14) is installed in the other end of the air intake passage (15).

4. The bearing drilling precision adjustment device according to claim 1, characterized in that: A first hydraulic rod (16) is fixedly mounted on the upper surface of the base plate (3), and the upper surface of the first hydraulic rod (16) is fixedly connected to the lower surface of the connecting base (17).

5. The bearing drilling precision adjustment device according to claim 1, characterized in that: A plurality of second columns (4) are fixedly mounted on the upper surface of the base plate (3), a mounting plate (18) is fixedly mounted on the upper surface of the second columns (4), a rodless cylinder (19) is fixedly mounted on the upper surface of the mounting plate (18), a second slider (20) is provided on the rodless cylinder (19), and the upper surface of the second slider (20) is fixedly connected to a second hydraulic rod (30).

6. The bearing drilling precision adjustment device according to claim 1, characterized in that: The upper surface of the workbench (1) is symmetrically provided with a clamping groove (10), a first slider (11) is slidably installed in the clamping groove (10), the upper surface of the workbench (1) is symmetrically fixed with a fixing plate (5), one surface of the fixing plate (5) is fixedly installed with a hydraulic telescopic rod (6), and one end of the hydraulic telescopic rod (6) is fixedly connected to the first slider (11).

7. The bearing drilling precision adjustment device according to claim 6, characterized in that: A mounting groove (25) is provided on one surface of the first sliding block (11), a mounting block (24) is installed in the mounting groove (25), a clamping plate (9) is fixedly installed on one surface of the mounting block (24), and a rubber pad (7) is fixedly installed on one surface of the clamping plate (9).

8. The bearing drilling precision adjustment device according to claim 1, characterized in that: A plurality of first columns (2) are fixedly mounted on the lower surface of the workbench (1), and the lower surface of the first columns (2) is fixedly connected to the bottom plate (3).

9. The bearing drilling precision adjustment device according to claim 1, characterized in that: The valve cavity (27) and the valve body (28) are slidably matched.

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