Hydraulic ESC plunger pump riveting device
Through the hydraulic ESC plunger pump riveting device, the problems of existing riveting equipment being rounded and the gap is too small during bearing riveting, achieving a more efficient riveting process and better bearing quality.
Patent Information
- Application Number
- CN202420235032.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-01-31
AI Technical Summary
When riveting bearings, existing riveting equipment can easily lead to problems such as rounding of the inner hole, too small gap, shaft bite, abnormal wear and low riveting accuracy.
A hydraulic ESC plunger pump riveting device is designed. By moving the electric cylinder downward, the cylinder downward, the pressure rod drives the pressure rod downward, and the pressure rod pushes the positioning rod to rivet the plunger pump to achieve pre-pressure and closing at the same time.
The riveting time is shortened, the working efficiency is improved, the roundness and clearance of the inner bore of the bearing are ensured, and the problems of abnormal bearing wear and low riveting accuracy are reduced.
Smart Images
Figure CN222608646U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of bearing assembly, in particular to a hydraulic ESC plunger pump riveting device. Background Art
[0002] Bearings are an important component in modern mechanical equipment; their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy.
[0003] At present, when riveting bearings, the force on the outer ring will cause the deformation of the inner hole, resulting in the inner hole being out of round. If the gap is too small, the shaft may be easily stuck. The out of round inner hole of the bearing will further affect the problem of abnormal wear of the bearing. The existing riveting generally adopts the direct pressing method, which makes the bearing prone to cracks and affects the product quality. The riveting head is prone to shaking during pressing, resulting in low precision of bearing riveting and easy production of defective products. Summary of the invention
[0004] In view of this, the utility model provides a hydraulic ESC plunger pump riveting device.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A hydraulic ESC plunger pump riveting device comprises a device body and a pressed product, the device body comprises a riveting structure, a plunger pump and a pressure head, the riveting structure comprises a mounting plate, a cylinder and a pushing component, an electric cylinder is arranged in the mounting plate, the electric cylinder and the cylinder are transmission-connected, a cylinder connecting groove is arranged on the cylinder, one end of the pushing component extends into the cylinder connecting groove and contacts the cylinder, the plunger pump is arranged at one end of the pushing component away from the cylinder, and the pushing component drives the plunger pump to rivet with the pressed product.
[0007] Preferably, the pushing assembly includes a pressure rod and a positioning rod, and the pressure rod and the positioning rod are sequentially arranged at one end of the pushing assembly away from the cylinder. The positioning rod is arranged in a "T"-shaped structure, and the pressure head has a pressure head connecting hole corresponding to the shape of the positioning rod. One end of the positioning rod passes through the pressure head connecting hole and is connected to the plunger pump.
[0008] Preferably, a positioning groove is provided at one end of the positioning rod close to the plunger pump, and a pump body connecting end is provided at the plunger pump corresponding to the positioning groove, one end of the pump body connecting end extends into the positioning groove and is connected to the positioning rod, and the positioning rod fixes and presses down the plunger pump.
[0009] Preferably, a pressure rod connecting end is provided at the end of the pressure rod away from the cylinder, the pressure rod connecting end extends into the pressure head connecting hole and contacts the positioning rod, and a spherical arc surface is provided at the end of the pressure rod connecting end close to the positioning rod. The cylinder drives the pressure rod to push the positioning rod to move horizontally in the pressure head connecting hole, and the spherical arc surface contacts the positioning rod.
[0010] Preferably, a spring connecting groove is provided on the pressure head, a return spring is arranged in the spring connecting groove, a stripping module is arranged at one end of the return spring away from the pressure head, and two ends of the return spring are respectively connected to the pressure head and the stripping module.
[0011] Preferably, a bolt hole is provided on the pressure head, a limiting bolt is arranged on the bolt hole, one end of the limiting bolt passes through the bolt hole and extends into the pressure head connecting hole to contact the positioning rod, and the limiting bolt limits the positioning rod to the left and right.
[0012] Preferably, a bolt connection groove is provided between the pressure head and the mounting plate, a hexagon socket bolt is arranged in the bolt connection groove, two ends of the hexagon socket bolt are respectively connected to the pressure head and the mounting plate, and the pressure head and the mounting plate are fixedly connected by the hexagon socket bolt.
[0013] The beneficial effect of the utility model is that in the present design, the pressure head is pressed downward by moving the electric cylinder downward, the pressure of the air cylinder drives the pressure rod downward, the pressure rod then pushes the positioning rod, and the plunger pump is riveted, so that pre-pressing and closing are completed at the same time, the riveting time is shortened, and the work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] 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.
[0015] Attached Figure 1 It is a structural schematic diagram of the utility model;
[0016] Attached Figure 2 It is a structural schematic diagram of the utility model from another angle;
[0017] Attached Figure 3 For attachment Figure 1 Enlarged view of point A.
[0018] Reference numerals:
[0019] 1. Device body, 2. Pressed product, 3. Riveting structure, 4. Plunger pump, 5. Pressure head, 6. Mounting plate, 7. Cylinder, 8. Push assembly, 9. Electric cylinder, 10. Cylinder connecting groove, 11. Pressure rod, 12. Positioning rod, 13. Pressure head connecting hole, 14. Positioning groove, 15. Pump body connecting end, 16. Pressure rod connecting end, 17. Spherical arc surface, 18. Spring connecting groove, 19. Return spring, 20. De-module, 21. Bolt hole, 22. Limit bolt, 23. Bolt connecting groove, 24. Hexagon socket bolt. DETAILED DESCRIPTION
[0020] 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.
[0021] The utility model will be further described below in conjunction with the accompanying drawings of the specification.
[0022] The utility model provides the following technical solutions:
[0023] As attached Figure 1-3 As shown, the utility model discloses a hydraulic ESC plunger pump riveting device, including a device body 1 and a pressed product 2, the device body 1 includes a riveting structure 3, a plunger pump 4 and a pressure head 5, the riveting structure 3 includes a mounting plate 6, a cylinder 7 and a pushing component 8, an electric cylinder 9 is arranged in the mounting plate 6, the electric cylinder 9 and the cylinder 7 are transmission-connected, a cylinder connecting groove 10 is provided on the cylinder 7, one end of the pushing component 8 extends into the cylinder connecting groove 10 and contacts the cylinder 7, the plunger pump 4 is arranged at one end of the pushing component 8 away from the cylinder 7, and the pushing component 8 drives the plunger pump 4 to rivet with the pressed product 2, in this design, the pressure head 5 is pressed downward by the electric cylinder 9 moving downward, the cylinder 7 is pressed downward and the pressing rod 11 is pressed downward, and the pressing rod 11 pushes the positioning rod 12, and the plunger pump 4 is riveted, so that pre-pressing and closing are completed at the same time, the riveting time is shortened, and the work efficiency is improved.
[0024] Furthermore, the pushing component 8 includes a pressure rod 11 and a positioning rod 12, which are sequentially arranged at one end of the pushing component 8 away from the cylinder 7, and the positioning rod 12 is arranged in a "T"-shaped structure. The pressure head 5 has a pressure head connecting hole 13 corresponding to the shape of the positioning rod 12, and one end of the positioning rod 12 passes through the pressure head connecting hole 13 and is connected to the plunger pump 4. A positioning groove 14 is arranged at one end of the positioning rod 12 close to the plunger pump 4, and a pump body connecting end 15 is arranged on the plunger pump 4 corresponding to the positioning groove 14, and one end of the pump body connecting end 15 extends into the positioning groove 14 and is connected to the positioning rod 12, and the positioning rod 12 fixes and presses the plunger pump 4 downward. In the present design, the positioning rod 12 is arranged in a "T"-shaped structure to realize the precise positioning of the plunger pump 4 by the riveting structure 3, thereby improving work efficiency and reducing time waste caused by inaccurate riveting position.
[0025] Furthermore, a pressure rod connecting end 16 is provided at the end of the pressure rod 11 away from the cylinder 7, and the pressure rod connecting end 16 extends into the pressure head connecting hole 13 and contacts the positioning rod 12. A spherical arc surface 17 is provided at the end of the pressure rod connecting end 16 close to the positioning rod 12. The cylinder 7 drives the pressure rod 11 to push the positioning rod 12 to move horizontally in the pressure head connecting hole 13, and the spherical arc surface 17 contacts the positioning rod 12. In this design, the design of the spherical arc surface 17 reduces the wear of the contact point between the pressure rod 11 and the positioning rod 12, thereby extending the service life of the riveting device.
[0026] Furthermore, a spring connecting groove 18 is provided on the pressing head 5, a return spring 19 is arranged in the spring connecting groove 18, a stripping module 20 is arranged at one end of the return spring 19 away from the pressing head 5, and both ends of the return spring 19 are respectively connected to the pressing head 5 and the stripping module 20. In the present design, the return spring 19 is a rectangular spring, and the design that the two ends of the return spring 19 are respectively connected to the pressing head 5 and the stripping module 20 can enable the pressed product 2 to be quickly separated from the head after the riveting is completed, thereby improving the work efficiency.
[0027] Furthermore, a bolt hole 21 is opened on the pressing head 5, and a limiting bolt 22 is arranged on the bolt hole 21. One end of the limiting bolt 22 passes through the bolt hole 21 and extends into the pressing head connecting hole 13 to contact the positioning rod 12, and the limiting bolt 22 limits the positioning rod 12 to the left and right. In the present design, the design of the limiting bolt 22 limits the positioning rod 12 to the left and right, so that when the cylinder 7 pushes the positioning rod 12 downward, the positioning rod 12 will not deviate to the left and right, thereby improving the precision performance of riveting.
[0028] Furthermore, a bolt connection groove 23 is opened between the pressing head 5 and the mounting plate 6, and a hexagon socket bolt 24 is arranged in the bolt connection groove 23. The two ends of the hexagon socket bolt 24 are respectively connected to the pressing head 5 and the mounting plate 6. The pressing head 5 and the mounting plate 6 are fixedly connected by the hexagon socket bolt 24. In this design, the connection is made by using the advantage of the high strength of the hexagon socket bolt 24, which ensures the stability of the connection, so that the pressing head 5 will not vibrate and cause the riveting position to shift when it works later.
[0029] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A hydraulic ESC plunger pump riveting device, comprising a device body and a pressed product, characterized in that: The device body includes a riveting structure, a plunger pump and a pressure head. The riveting structure includes a mounting plate, a cylinder and a pushing component. An electric cylinder is arranged in the mounting plate. The electric cylinder and the cylinder are transmission-connected. A cylinder connecting groove is arranged on the cylinder. One end of the pushing component extends into the cylinder connecting groove and contacts the cylinder. The plunger pump is arranged at one end of the pushing component away from the cylinder, and the pushing component drives the plunger pump to rivet with the pressed product.
2. A hydraulic ESC plunger pump riveting device according to claim 1, characterized in that: The pushing assembly includes a pressure rod and a positioning rod, which are sequentially arranged at one end of the pushing assembly away from the cylinder. The positioning rod is arranged in a "T"-shaped structure. The pressure head has a pressure head connecting hole corresponding to the shape of the positioning rod, and one end of the positioning rod passes through the pressure head connecting hole and is connected to the plunger pump.
3. A hydraulic ESC plunger pump riveting device according to claim 2, characterized in that: A positioning groove is arranged at one end of the positioning rod close to the plunger pump, and a pump body connecting end is arranged at the plunger pump corresponding to the positioning groove. One end of the pump body connecting end extends into the positioning groove and is connected to the positioning rod, and the positioning rod fixes and presses down the plunger pump.
4. A hydraulic ESC plunger pump riveting device according to claim 2, characterized in that: A pressure rod connecting end is set at the end of the pressure rod away from the cylinder, and the pressure rod connecting end extends into the pressure head connecting hole and contacts the positioning rod. A spherical arc surface is set at the end of the pressure rod connecting end close to the positioning rod. The cylinder drives the pressure rod to push the positioning rod to move horizontally in the pressure head connecting hole, and the spherical arc surface contacts the positioning rod.
5. A hydraulic ESC plunger pump riveting device according to claim 1, characterized in that: The pressure head is provided with a spring connection groove, a return spring is arranged in the spring connection groove, a stripping module is arranged at one end of the return spring away from the pressure head, and two ends of the return spring are respectively connected to the pressure head and the stripping module.
6. A hydraulic ESC plunger pump riveting device according to claim 2, characterized in that: The pressure head is provided with a bolt hole, and a limiting bolt is arranged on the bolt hole. One end of the limiting bolt passes through the bolt hole and extends into the pressure head connecting hole to contact the positioning rod, and the limiting bolt limits the positioning rod to the left and right.
7. A hydraulic ESC plunger pump riveting device according to claim 1, characterized in that: A bolt connection groove is provided between the pressure head and the mounting plate, a hexagon socket bolt is arranged in the bolt connection groove, two ends of the hexagon socket bolt are respectively connected to the pressure head and the mounting plate, and the pressure head and the mounting plate are fixedly connected by the hexagon socket bolt.