CN219787291U - Floating spinning device for press-fitting pump body steel balls - Google Patents
Floating spinning device for press-fitting pump body steel balls Download PDFInfo
- Publication number
- CN219787291U CN219787291U CN202321019043.5U CN202321019043U CN219787291U CN 219787291 U CN219787291 U CN 219787291U CN 202321019043 U CN202321019043 U CN 202321019043U CN 219787291 U CN219787291 U CN 219787291U
- Authority
- CN
- China
- Prior art keywords
- pressure head
- pump body
- seat
- hole
- steel ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009987 spinning Methods 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Automatic Assembly (AREA)
Abstract
The utility model discloses a floating spinning device for pressing a steel ball of a pump body, which is characterized in that: the device comprises a spinning sleeve connected with a press rod of a press machine, wherein a stepped hole is formed in the spinning sleeve, a sliding mandrel is slidably arranged in a small-diameter hole of the stepped hole in the spinning sleeve, and a spring is arranged between the upper end of the sliding mandrel and the top of the small-diameter hole; the guide seat is fixedly arranged in the large-diameter hole in the spinning sleeve, a conical guide surface is arranged in the guide seat, a pressure head seat is arranged in the guide seat, the upper part of the pressure head seat is a conical guide part, the lower part of the pressure head seat is a pressure head connecting part, a pressure head is arranged in the pressure head mounting hole of the pressure head connecting part, and a conical positioning groove matched with the steel ball of the pump body is arranged at the lower end of the pressure head. The utility model adopts the above technical scheme, allow the pressure head and by the steel ball of being pressed can have certain position deviation, improve assembly efficiency, also effectively avoid the problem that the pressure head bursts apart simultaneously, accord with the demand of safety in production.
Description
Technical Field
The utility model belongs to the technical field of novel pump assembly, and particularly relates to a floating spinning device for press-fitting a pump body steel ball.
Background
When the oil passage holes are machined, holes are necessarily drilled in the pump body from the outer surface of the pump body, and some oil passage holes only belong to the connection of the inner oil passage and are not allowed to be communicated with the outside of the pump body, so that after the oil passage holes are drilled, the oil passage Kong Dusi is further drilled by a steel ball.
In the past, the steel balls of the pump body are all integral rigid compression bars, once the hole position error of the steel balls on the pump body is large, the pressure head is pressed on the pump body to damage the appearance of the pump body, the steel balls cannot be pressed in place, and the contact position of the pressure head and the steel balls is easy to crack.
Therefore, the utility model designs a floating spinning device for pressing the steel ball of the pump body.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a floating spinning device for pressing a pump body steel ball, which has good adaptability and long service life of a pressure head.
The utility model is realized in such a way that a floating spinning device for pressing a steel ball of a pump body comprises a spinning sleeve connected with a press rod of a press machine, wherein a stepped hole is formed in the spinning sleeve;
the guide seat is fixedly arranged in a large-diameter hole in the spinning sleeve, a conical guide surface is arranged in the guide seat, a pressure head seat is arranged in the guide seat, the upper part of the pressure head seat is a conical guide part, the lower part of the pressure head seat is a pressure head connecting part, a pressure head is arranged in a pressure head mounting hole of the pressure head connecting part, and a first conical positioning groove matched with a pump body steel ball is arranged at the lower end of the pressure head.
Preferably, the lower end of the sliding mandrel is embedded with balls, and the balls bear the upper surface of the mandrel.
Preferably, a mounting hole is formed in the center of the conical guide portion of the pressure head seat, a pressure bearing mandrel is fixedly mounted in the mounting hole, and a second conical positioning groove matched with the ball is formed in the upper end face of the pressure bearing mandrel.
Preferably, a disassembly hole is arranged between the pressure head installation hole and the installation hole provided with the pressure bearing mandrel.
Preferably, a hanging pin is arranged on the outer wall of the small-diameter hole of the stepped hole along the radial direction, and a sliding groove is arranged on the sliding mandrel corresponding to the hanging pin.
Preferably, the guide seat is fixedly connected with the spinning sleeve through a first fastening screw arranged on the outer wall of the large-diameter hole of the stepped hole.
Preferably, a V-shaped fastening groove is formed in the outer wall of the guide seat, and the inner end portion of the first fastening screw is fastened in the V-shaped fastening groove.
Preferably, a positioning flat part is arranged on the spigot-and-socket part at the upper end of the pressure head, and a second tightening screw perpendicular to the vertical central line of the pressure head is arranged on the pressure head connecting part at the side of the positioning flat part.
Preferably, the pressure head is provided with an annular positioning table.
The utility model has the advantages and technical effects that: the utility model adopts the above technical scheme, the pressure head can have certain deviation with by the steel ball that presses, improves assembly efficiency, also effectively avoids the problem that the pressure head bursts apart simultaneously, accords with the demand of safety in production.
Drawings
FIG. 1 is a schematic diagram of the utility model;
FIG. 2 is an enlarged view of the J portion of FIG. 1;
FIG. 3 is an enlarged view of portion K of FIG. 1;
FIG. 4 is a state that the pressure head is not pressed to the steel ball (assuming that the center of a steel ball hole of the pump body deviates from the center of the pressure rod by 0.5 mm);
fig. 5 is a state where the steel ball is pressed in place by the press head.
In the figure: 1. a pressure head; 1-1, a first conical positioning groove; 1-2, positioning the flat part; 1-3, an annular positioning table; 2. a pressure head seat; 2-1, a tapered guide; 2-2, a pressure head connecting part; 2-3, mounting holes; 3. a first fastening screw; 4. a guide seat; 4-1, a tapered guide surface; 4-2, V-shaped fastening groove stepped holes; 5. a pressure-bearing mandrel; 5-1 a second conical positioning groove; 6. a second fastening screw; 7. a ball; 8. a suspension pin; 9. sliding the mandrel; 9-1, a chute; 10. spinning the sleeve; 10-1, stepped holes; 11. a spring seat; 12. a spring; 13. a pump body; 14. ball of steel ball.
Detailed Description
The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 5, a floating spinning device for press-fitting a steel ball of a pump body comprises a spinning sleeve 10 connected with a press rod of the press machine, wherein a stepped hole 10-1 is arranged in the spinning sleeve, a sliding mandrel 9 is slidably arranged in a small diameter hole of the stepped hole in the spinning sleeve, a spring 3 is arranged between the upper end of the sliding mandrel and the top of the small diameter hole, the spring plays a role in resetting, and when no external force exists, the sliding mandrel is tightly propped against the sliding mandrel under the action of the spring; in order to prevent the bottom of the small hole of the spinning sleeve 10 from being worn after being pressed for a long time, the bottom of the small diameter hole of the stepped hole is provided with a spring seat 11 at the upper end of the spring seat.
The guide seat 4 is fixedly installed in a large-diameter hole in the spinning sleeve, the conical guide surface 4-1 is arranged in the centering seat, the pressure head seat 2 is installed in the guide seat, the upper part of the pressure head seat is provided with the conical guide part 2-1, the lower part of the pressure head seat is provided with the pressure head connecting part 2-2, the conical guide part 2-1 is matched with the conical guide surface of the guide seat to ensure the coaxiality of a pressure head and a pressure rod of the pressure machine, the pressure head 1 is installed in a pressure head installation hole of the pressure head connecting part, and the lower end of the pressure head is provided with the first conical positioning groove 1-1 matched with a steel ball of the pump body.
Preferably, the lower end of the sliding mandrel 9 is embedded with a ball 7, and the ball abuts against the upper second conical positioning groove 5-1 of the sliding mandrel 5, so that once the pressure head seat 2 floats, the pressure head seat always rotates around the ball 7.
Preferably, in order to reduce the serious abrasion of the upper end face of the pressure head seat due to long-time action, a mounting hole 2-3 is arranged in the center of the conical guide part 2-1 of the pressure head seat, a pressure bearing mandrel 5 is fixedly arranged in the mounting hole, and a second conical positioning groove 5-1 matched with the ball is arranged on the upper end face of the pressure bearing mandrel 5.
Preferably, a disassembly hole is formed between the pressure head mounting hole and the mounting hole provided with the pressure bearing mandrel, and because the pressure bearing mandrel and the mounting hole 2-3 are in interference fit, when the pressure bearing mandrel needs to be replaced after being worn, the disassembly can be completed by only adopting a punch to impact the lower end part of the pressure bearing mandrel in the disassembly hole, thereby being convenient and quick.
Preferably, a suspension pin 8 is arranged on the outer wall of the small-diameter hole of the stepped hole along the radial direction, a sliding groove 9-1 is arranged on the sliding mandrel 9 corresponding to the position of the suspension pin, and the design purpose of the suspension pin is to prevent the sliding mandrel 9 from falling off in the assembly process, so that the convenience of assembly is improved.
Preferably, the guide seat 4 is fixedly connected with the spinning sleeve 10 through a second fastening screw 6 arranged on the outer wall of the large-diameter hole of the stepped hole. In order to ensure the stability of fastening, a V-shaped fastening groove 4-2 is formed in the outer wall of the guide seat, and the inner end part of the second fastening screw is fastened in the V-shaped fastening groove.
Preferably, a socket part at the upper end of the pressure head 1 is provided with a positioning flat part 1-2, and a first tightening screw 3 perpendicular to the vertical central line of the pressure head is arranged on the pressure head connecting part at the side of the positioning flat part.
Preferably, the annular positioning table 1-3 is arranged on the pressure head 1, so that the installation position of the pressure head is ensured, and meanwhile, the annular positioning table is abutted with the lower end face of the pressure head seat 4, so that the bearing capacity of the pressure head 1 is improved.
The application method of the utility model comprises the following steps:
under the non-working state, the conical guide part of the pressure head seat 2 is attached to the conical guide surface of the guide seat 4 under the action of spring force, and a certain amount of clearance is arranged between the sliding mandrel 9 and the spring seat 11, so that a certain movable space is reserved in the axial direction of the pressure head 1, and the spinning function of the pressure head 1 is realized.
In the working state, the spinning sleeve 10 executes the pressing action, the first conical positioning groove 1-1 at the lower end of the pressing head 1 is abutted against the pressed steel ball, the pressing head seat 2 is lifted along with the descending of the spinning sleeve 10 and is separated from contact with the guide seat 4, at the moment, the parts consisting of the bearing mandrel 5, the pressing head seat 2 and the pressing head 1 rotate around the steel ball 14 on the ball 7 and the pump body 13 respectively, simultaneously move downwards, after the upper end of the sliding mandrel 9 is abutted against the spring seat 11, the spinning sleeve 10 continues to move downwards, the pressed steel ball is gradually pressed into the steel ball mounting hole of the pump body until the pressing depth reaches a set value, the descending is stopped, the spinning sleeve 10 returns under the driving of the press rod, and the spring 12 enables the pressing head seat 2 to reset automatically when the press rod returns in the returning process. In the descending process of the spinning sleeve 10, before the upper end part of the sliding mandrel 9 is not abutted to the spring seat 11, the V-shaped surface of the small end 1-1 of the pressure head 1 touches the steel ball of the pump body in a softer mode, so that the first conical positioning groove 1-1 of the pressure head 1 is prevented from being broken due to sudden impact force. And after returning to the initial position, preparing for press fitting of the next steel ball.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. A floating spinning device for pressing a pump body steel ball is characterized in that: the device comprises a spinning sleeve connected with a press rod of a press machine, wherein a stepped hole is formed in the spinning sleeve, a sliding mandrel is slidably arranged in a small-diameter hole of the stepped hole in the spinning sleeve, and a spring is arranged between the upper end of the sliding mandrel and the top of the small-diameter hole;
the spinning device comprises a pump body steel ball, a spinning sleeve, a guide seat, a conical guide surface, a pressure head seat, a pressure head and a pressure head connecting part, wherein the guide seat is fixedly installed in a large-diameter hole in the spinning sleeve, the conical guide surface is arranged in the guide seat, the pressure head seat is installed in the guide seat, the upper part of the pressure head seat is a conical guide part, the upper end of the pressure head seat is fixedly provided with a pressure-bearing mandrel, the upper end of the pressure-bearing mandrel is provided with a conical hole, the lower part of the pressure head seat is provided with the pressure head connecting part, a pressure head is installed in a pressure head installation hole of the pressure head connecting part, and the lower end of the pressure head is provided with a first conical positioning groove matched with the pump body steel ball.
2. The floating spinning device for pressing the pump body steel ball according to claim 1, wherein: the lower end of the sliding mandrel is embedded with a ball, and the ball is abutted against the surface of the conical hole of the bearing mandrel.
3. The floating spinning device for press fitting of pump body steel balls according to claim 2, wherein: the center of the conical guide part of the pressure head seat is provided with a mounting hole, a pressure bearing mandrel is fixedly mounted in the mounting hole, and the upper end face of the pressure bearing mandrel is provided with a second conical positioning groove matched with the ball.
4. The floating spinning device for press-fitting a pump body steel ball according to claim 3, wherein: and a disassembly hole is arranged between the pressure head installation hole and the installation hole provided with the pressure bearing mandrel.
5. The floating spinning device for pressing the pump body steel ball according to claim 1, wherein: and a hanging pin is arranged on the outer wall of the small-diameter hole of the stepped hole along the radial direction, and a sliding groove is arranged on the sliding mandrel corresponding to the hanging pin.
6. The floating spinning device for pressing the pump body steel ball according to claim 1, wherein: the guide seat is fixedly connected with the spinning sleeve through a first fastening screw arranged on the outer wall of the large-diameter hole of the stepped hole.
7. The floating spinning device for pressing the pump body steel ball according to claim 6, wherein: the outer wall of the guide seat is provided with a V-shaped fastening groove, and the inner end part of the first fastening screw is fastened in the V-shaped fastening groove.
8. The floating spinning device for pressing the pump body steel ball according to claim 1, wherein: the socket joint part at the upper end of the pressure head is provided with a positioning flat part, and the pressure head connecting part at the side of the positioning flat part is provided with a second fastening screw perpendicular to the vertical central line of the pressure head.
9. The floating spinning device for pressing the pump body steel ball according to claim 1, wherein: the pressure head is provided with an annular positioning table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321019043.5U CN219787291U (en) | 2023-05-02 | 2023-05-02 | Floating spinning device for press-fitting pump body steel balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321019043.5U CN219787291U (en) | 2023-05-02 | 2023-05-02 | Floating spinning device for press-fitting pump body steel balls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219787291U true CN219787291U (en) | 2023-10-03 |
Family
ID=88156303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321019043.5U Active CN219787291U (en) | 2023-05-02 | 2023-05-02 | Floating spinning device for press-fitting pump body steel balls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219787291U (en) |
-
2023
- 2023-05-02 CN CN202321019043.5U patent/CN219787291U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207414751U (en) | Guide-pillar-free self-centering coaxial press-fitting clamp | |
| CN219787291U (en) | Floating spinning device for press-fitting pump body steel balls | |
| CN108561446B (en) | Hydraulic locking device for thrust head | |
| CN109318178B (en) | Engine retaining ring assembly fixture structure | |
| CN209408383U (en) | A kind of positioning device | |
| CN214771788U (en) | Special assembly fixture of cylinder head disk seat | |
| CN212928602U (en) | Hydraulic brake oil cylinder | |
| CN201087694Y (en) | Safe and reliable long-life screw drill | |
| CN209998693U (en) | Riveting tool for water pump water seal | |
| CN209740589U (en) | Hollow double-acting oil jack | |
| CN210389960U (en) | Elastic locating pin assembly for injection mold | |
| CN205363748U (en) | Water pump shaft pivot bearing assembly quality | |
| CN216229041U (en) | Mounting structure for producing quick-change connector | |
| CN115157173B (en) | Press mounting tool for large-diameter circlip on high-speed high-power diesel engine | |
| CN221482442U (en) | Shaft matching device | |
| CN221170375U (en) | Novel automobile pull rod ball head assembly | |
| CN221120725U (en) | Brake cylinder easy to disassemble and assemble | |
| CN220128056U (en) | Quick-change chuck assembly structure suitable for press mounting | |
| CN214110226U (en) | Water seal press-mounting machine | |
| CN217889308U (en) | Press mounting floating head mechanism | |
| CN220515962U (en) | Bearing stop ring press-fitting device | |
| CN212924233U (en) | Jack oil pump with portable oil circuit | |
| CN219081824U (en) | Oil pump welding flange with shaft shoulder | |
| CN215432668U (en) | Self-centering hydraulic clamp for piston rough machining positioning | |
| CN209942992U (en) | Integral valve seat of high-pressure common rail oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |