CN210997383U - Single-column correction press-fitting hydraulic machine with time-delay press-fitting function - Google Patents
Single-column correction press-fitting hydraulic machine with time-delay press-fitting function Download PDFInfo
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- CN210997383U CN210997383U CN201922070023.0U CN201922070023U CN210997383U CN 210997383 U CN210997383 U CN 210997383U CN 201922070023 U CN201922070023 U CN 201922070023U CN 210997383 U CN210997383 U CN 210997383U
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- 238000012856 packing Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
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- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
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- 239000011425 bamboo Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
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- 241000220317 Rosa Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
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Abstract
The utility model relates to a single-column correction press-fitting hydraulic machine with time delay press-fitting function, including the organism of vertical setting, an organic whole connect at the upper and lower both ends of organism and with the organism between be C shape cantilever and workstation, sliding mounting on the cantilever piston rod and set up the hydraulic transmission system in the organism inside, the free end of piston rod is equipped with the time delay device, the time delay device includes the rigid coupling at the upper pressure disk of piston rod free end, set up the lower pressure disk under the upper pressure disk and connect the buffering pressure between upper pressure disk and lower pressure disk and hold the subassembly; the buffering pressing and holding assembly comprises a fixed cylinder, a telescopic cylinder and a first spring, wherein the fixed cylinder is fixedly connected to one side, far away from the piston rod, of the upper pressure plate, the fixed cylinder is vertically arranged, the telescopic cylinder is inserted into the fixed cylinder in a sliding mode, one end of the telescopic cylinder is fixedly connected with the lower pressure plate, and the first spring is connected between the fixed cylinder and the telescopic cylinder. The utility model has the advantages that can carry out time delay pressure equipment to the bearing, improve processingquality and yield.
Description
Technical Field
The utility model relates to a single-column correction pressure equipment hydraulic press especially relates to a single-column correction pressure equipment hydraulic press with time delay pressure equipment function.
Background
The bearing needs to be pressed by a single-column correction pressing hydraulic machine in the assembling process, so that components such as a shaft sleeve, a roller, a sealing cover and the like are tightly combined, and the service life is prolonged. The single-column correcting and press-mounting hydraulic machine is a multifunctional medium-small hydraulic machine, and is applicable to correction of shaft parts and section bars and press-mounting of shaft sleeve parts. The principle of the single-column correction press-fitting hydraulic machine is that liquid is used for transferring pressure, and the liquid follows Pascal's law when transferring pressure in a closed container.
The existing single-column correcting and press-mounting hydraulic machine comprises a vertically arranged machine body, a cantilever and a workbench which are integrally connected to the upper end and the lower end of the machine body and are of a C-shaped structure with the machine body, a piston rod which is slidably mounted on the cantilever and a hydraulic transmission system which is arranged in the machine body, wherein the hydraulic transmission system comprises a power mechanism, a control mechanism, an execution mechanism, an auxiliary mechanism and a working medium, the power mechanism usually adopts a positive displacement oil pump, and one oil pump or a plurality of oil pumps are selected for meeting the requirement of the movement speed of the execution mechanism.
During press mounting, the bearing which is preliminarily mounted is placed on the workbench, and then the hydraulic transmission system is started to drive the piston rod to move downwards until the piston rod is pressed on the bearing.
The above prior art solutions have the following drawbacks: in the actual press fitting process, technicians find that after the piston rod is separated from the bearing, a small part of the sealing cover of the bearing can be popped up due to non-compaction because the sealing cover has certain elasticity, so that rework is caused, and the processing quality of the bearing can be affected by repeated rework (abrasion).
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pressure equipment hydraulic press is rectified to single post with time delay pressure equipment function, its advantage can carry out the time delay pressure equipment to the bearing, improves processingquality and yield.
The above technical purpose of the present invention can be achieved by the following technical solutions: the single-column correction press-fitting hydraulic machine with the time-delay press-fitting function comprises a vertically arranged machine body, a cantilever and a workbench which are integrally connected to the upper end and the lower end of the machine body and form a C-shaped structure with the machine body, a piston rod which is slidably mounted on the cantilever and a hydraulic transmission system which is arranged in the machine body, wherein the free end of the piston rod is provided with a time-delay device, and the time-delay device comprises an upper pressure plate which is fixedly connected to the free end of the piston rod, a lower pressure plate which is arranged right below the upper pressure plate and a buffer press-holding assembly which is connected between;
the buffering pressing and holding assembly comprises a fixed cylinder, a telescopic cylinder and a first spring, wherein the fixed cylinder is fixedly connected to one side, far away from the piston rod, of the upper pressure plate, the fixed cylinder is vertically arranged, the telescopic cylinder is inserted into the fixed cylinder in a sliding mode, one end of the telescopic cylinder is fixedly connected with the lower pressure plate, and the first spring is connected between the fixed cylinder and the telescopic cylinder.
By adopting the technical scheme, during press mounting, the preliminarily mounted bearing is sleeved on the positioning column, then the hydraulic transmission system is started to drive the piston rod to move downwards, when the lower pressure plate is contacted with the upper surface of the bearing, the telescopic cylinder is pressed and gradually retracted into the fixed cylinder, at the moment, the first spring is in a compressed state, when one end of the telescopic cylinder, far away from the lower pressure plate, is abutted against the inner top wall of the fixed cylinder, the lower pressure plate is tightly pressed on the bearing, and the press mounting of the bearing is realized; when the piston rod slowly moves upwards, the force applied to the lower pressure plate is gradually reduced, at the moment, the telescopic cylinder can gradually extend out of the fixed cylinder under the action of the elastic force of the first spring and transmits the force to the lower pressure plate, so that the telescopic cylinder is continuously pressed on the bearing until the lifting height of the piston rod is larger than the stroke of the telescopic cylinder, and in the process, the lower pressure plate can be always pressed on the bearing to achieve the effect of delayed press mounting, so that the processing quality and the yield of the bearing are improved.
The utility model discloses further set up to: and anti-drop rings are fixedly connected to the inner wall of the fixed cylinder far away from one end of the upper pressure plate and the outer wall of the telescopic cylinder close to one end of the upper pressure plate respectively.
Through adopting above-mentioned technical scheme, the setting of anticreep ring for carry on spacingly to a fixed section of thick bamboo and a flexible section of thick bamboo, avoid both to throw off.
The utility model discloses further set up to: and a second spring is fixedly connected between one end of the fixed cylinder, which is far away from the upper pressure plate, and the lower pressure plate.
Through adopting above-mentioned technical scheme, when the piston rod slowly rose, the second spring received the influence of restoring force and directly applyed on lower pressure disk to with the stack of the power stack that exerts of first spring, thereby reach better pressure and hold the effect.
The utility model discloses further set up to: the outside cover of first spring is equipped with the rubber packing ring, the rubber packing ring rigid coupling is close to on the inner wall of last pressure disk one end at the solid fixed cylinder.
Through adopting above-mentioned technical scheme, the setting of rubber packing ring for cushion the section of thick bamboo that stretches out and draws back, avoid it to influence the collision with the interior roof of a fixed cylinder when withdrawing to the limit, improve life.
The utility model discloses further set up to: the buffer pressing and holding device comprises guide posts which are fixedly connected to the upper pressure plate and the lower pressure plate respectively and vertically extend relatively and third springs which are fixedly connected between the upper pressure plate and the lower pressure plate and sleeved outside the guide posts.
Through adopting above-mentioned technical scheme, when the piston rod ascended, the third spring can exert decurrent power to the lower pressure disk owing to the influence of restoring force, makes it continue to press and hold on the bearing, realizes the effect of time delay pressure equipment.
The utility model discloses further set up to: and one side of the lower pressing plate, which is far away from the upper pressing plate, is bonded with an elastic edge covering.
Through adopting above-mentioned technical scheme, the setting of elasticity bordure for protect the bearing, reduce the bearing at the impaired possibility of hard contact in-process.
The utility model discloses further set up to: a guide rod is fixedly connected between the cantilever and the upper pressure plate and is a telescopic rod.
Through adopting above-mentioned technical scheme, the setting of guide bar for improve the stability of piston rod motion in-process.
The utility model discloses further set up to: the upper surface of workstation rigid coupling has the reference column.
Through adopting above-mentioned technical scheme, the setting of reference column for carry on spacingly to the bearing, so that the piston rod carries out the pressure equipment to the bearing of placing on the workstation.
To sum up, the utility model discloses a beneficial technological effect does:
1. according to the single-column correction press-fitting hydraulic machine, when the piston rod moves upwards slowly, the force applied to the lower pressure plate is reduced gradually, at the moment, the telescopic cylinder can extend out of the fixed cylinder gradually under the action of the elastic force of the first spring and transmits the force to the lower pressure plate, so that the telescopic cylinder is pressed on the bearing continuously until the lifting height of the piston rod is larger than the stroke of the telescopic cylinder, and in the process, the lower pressure plate is pressed on the bearing all the time to achieve the effect of delayed press-fitting, so that the processing quality and the yield of the bearing are improved;
2. when the piston rod slowly rises, the second spring is influenced by the restoring force to directly apply force to the lower pressure plate and is superposed with the force applied by the first spring, so that a better pressing effect is achieved;
3. the arrangement of the elastic wrapping edge is used for protecting the bearing, and the possibility that the bearing is damaged in the hard contact process is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1;
FIG. 2 is a cross-sectional view showing the construction of the time delay device;
FIG. 3 is a sectional view showing embodiment 2.
Reference numeral, 1, a machine body; 11. a cantilever; 12. a work table; 13. a piston rod; 2. a time delay device; 21. an upper platen; 22. a lower platen; 23. a fixed cylinder; 24. a telescopic cylinder; 25. a first spring; 26. the anti-drop ring; 27. a rubber gasket; 28. a second spring; 29. a guide post; 30. a third spring; 4. a guide bar; 5. elastic edge covering; 6. and a bearing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, for the utility model discloses a single-column correction pressure equipment hydraulic press with time delay pressure equipment function, including organism 1 and the body coupling of vertical setting about organism 1 both ends and with organism 1 between be cantilever 11 and the workstation 12 of C shape structure, install piston rod 13 on the cantilever 11, organism 1 internally mounted has hydraulic drive system (specifically can refer to the single-column correction pressure equipment hydraulic press that the model is Y41-16), set for the control system of single-column correction pressure equipment hydraulic press in advance before the pressure equipment to hydraulic drive system can slowly drive piston rod 13 vertical lift. The upper surface rigid coupling of workstation 12 has the reference column for spacing bearing 6, so that piston rod 13 carries out the pressure equipment to bearing 6 of placing on workstation 12.
The free end of piston rod 13 is equipped with time delay device 2, and time delay device 2 includes that the rigid coupling holds the subassembly at last platen 21 of 13 free end and level setting, lower platen 22 that is located under last platen 21 and the buffering pressure of connecting between last platen 21 and lower platen 22, and the rigid coupling has guide bar 4 between cantilever 11 and the last platen 21, and guide bar 4 is the telescopic link, and it is used for improving the stability of piston rod 13 motion in-process. An elastic edge 5 is adhered to one side of the lower pressing plate 22, which is far away from the upper pressing plate 21, and is used for protecting the bearing 6 and reducing the possibility that the bearing 6 is damaged in the hard contact process.
Referring to fig. 1 and 2, the buffering pressing assembly includes a fixed cylinder 23 which is fixedly connected to one side of the upper pressure plate 21, which is far away from the piston rod 13, and is vertically arranged, a telescopic cylinder 24 which is slidably inserted into the fixed cylinder 23, and one end of the telescopic cylinder is fixedly connected to the lower pressure plate 22, and a first spring 25 which is arranged inside the fixed cylinder 23 and the telescopic cylinder 24, two ends of the first spring 25 are fixedly connected to inner walls of the fixed cylinder 23 and the telescopic cylinder 24, which are far away from one end, respectively, and when the telescopic cylinder 24 is pressed, the first spring can be retracted into the fixed cylinder 23.
In order to avoid the separation of the telescopic cylinder 24 and the fixed cylinder 23, anti-separation rings 26 are respectively fixedly connected to the inner wall of the end of the fixed cylinder 23 far away from the upper pressure plate 21 and the outer wall of the end of the telescopic cylinder 24 close to the upper pressure plate 21, and the two anti-separation rings 26 are mutually limited.
During press mounting, the bearing 6 which is installed preliminarily is sleeved on the positioning column, then the hydraulic transmission system is started to drive the piston rod 13 to move downwards, when the lower pressing plate 22 is in contact with the upper surface of the bearing 6, the telescopic cylinder 24 is pressed and gradually retracted into the fixed cylinder 23, at the moment, the first spring 25 is in a compression state, when one end, far away from the lower pressing plate 22, of the telescopic cylinder 24 abuts against the inner top wall of the fixed cylinder 23, the lower pressing plate 22 is pressed on the bearing 6, and press mounting of the bearing 6 is achieved; when the piston rod 13 moves slowly upwards, the force applied to the lower pressure plate 22 is gradually reduced, at this time, the telescopic cylinder 24 gradually extends out of the fixed cylinder 23 under the action of the elastic force of the first spring 25 and transmits the force to the lower pressure plate 22, so that the lower pressure plate 22 is continuously pressed on the bearing 6 until the lifting height of the piston rod 13 is greater than the stroke of the telescopic cylinder 24, and in the process, the lower pressure plate 22 is continuously pressed on the bearing 6, so that the effect of delayed press fitting is achieved, and the processing quality and the yield of the bearing 6 are improved.
Referring to fig. 2, the rubber washer 27 is sleeved outside the first spring 25, and the rubber washer 27 is fixedly connected to the inner wall of the fixed cylinder 23 near one end of the upper platen 21 for buffering the telescopic cylinder 24, so as to avoid the telescopic cylinder from colliding with the inner top wall of the fixed cylinder 23 when the telescopic cylinder is retracted to the limit, and improve the service life.
Referring to fig. 1 and 2, in order to improve the pressing force of the lower pressing plate 22 on the bearing 6 during the rising process of the piston rod 13, a second spring 28 is fixedly connected between one end of the fixed cylinder 23 away from the upper pressing plate 21 and the lower pressing plate 22, and when one end of the telescopic cylinder 24 away from the lower pressing plate 22 abuts against the inner top wall of the fixed cylinder 23, the second spring 28 is completely compressed; when the piston rod 13 is slowly raised, the second spring 28 exerts a force directly on the lower pressure plate 22 under the influence of the restoring force and in addition to the force exerted by the first spring 25, so that a better holding effect is achieved.
Example 2:
referring to fig. 3, for the utility model discloses a single-column correction pressure equipment hydraulic press with time delay pressure equipment function, with embodiment 1's difference lie in that the buffering is pressed and is held the device, the buffering is pressed and is held the device including the rigid coupling respectively on last pressure disk 21 and lower pressure disk 22 and relative vertical extension guide post 29 and cover and establish the third spring 30 at guide post 29 outside, the both ends of third spring 30 respectively with last pressure disk 21 and lower pressure disk 22 rigid coupling, according to actual need, the buffering is pressed and is held the device and can be set up the multiunit, be used for postponing the pressure equipment to bearing 6 (see fig. 1).
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a single-column correction pressure equipment hydraulic press with time delay pressure equipment function, including organism (1) of vertical setting, a body coupling about organism (1) both ends and with organism (1) between be cantilever (11) and workstation (12) of C shape structure, slidable mounting piston rod (13) on cantilever (11) and set up at the inside hydraulic transmission system of organism (1), its characterized in that: the free end of the piston rod (13) is provided with a time delay device (2), and the time delay device (2) comprises an upper pressure plate (21) fixedly connected with the free end of the piston rod (13), a lower pressure plate (22) arranged right below the upper pressure plate (21) and a buffer pressing component connected between the upper pressure plate (21) and the lower pressure plate (22);
the buffer pressing and holding assembly comprises a fixed cylinder (23) which is fixedly connected to one side of the upper pressure plate (21) far away from the piston rod (13) and is vertically arranged, a telescopic cylinder (24) which is inserted into the fixed cylinder (23) in a sliding mode and is fixedly connected with the lower pressure plate (22) at one end, and a first spring (25) which is connected between the fixed cylinder (23) and the telescopic cylinder (24).
2. The single-column correcting press-fitting hydraulic machine with the time-delay press-fitting function according to claim 1, wherein: an anti-drop ring (26) is fixedly connected to the inner wall of one end, far away from the upper pressure plate (21), of the fixed cylinder (23) and the outer wall of one end, close to the upper pressure plate (21), of the telescopic cylinder (24) respectively.
3. The single-column correcting press-fitting hydraulic machine with the time-delay press-fitting function according to claim 1, wherein: and a second spring (28) is fixedly connected between one end of the fixed cylinder (23) far away from the upper pressure plate (21) and the lower pressure plate (22).
4. The single-column correcting press-fitting hydraulic machine with the time-delay press-fitting function according to claim 1, wherein: the outside cover of first spring (25) is equipped with rubber packing ring (27), rubber packing ring (27) rigid coupling is close to on the inner wall of last pressure disk (21) one end at solid fixed cylinder (23).
5. The single-column correcting press-fitting hydraulic machine with the time-delay press-fitting function according to claim 1, wherein: the buffer pressing and holding device comprises guide columns (29) which are fixedly connected to the upper pressing plate (21) and the lower pressing plate (22) respectively and vertically extend relatively, and third springs (30) which are fixedly connected between the upper pressing plate (21) and the lower pressing plate (22) and sleeved outside the guide columns (29).
6. The single-column correcting press-fitting hydraulic machine with the time-delay press-fitting function according to claim 1, wherein: and one side of the lower pressing plate (22) far away from the upper pressing plate (21) is bonded with an elastic edge covering (5).
7. The single-column correcting press-fitting hydraulic machine with the time-delay press-fitting function according to claim 1, wherein: a guide rod (4) is fixedly connected between the cantilever (11) and the upper pressure plate (21), and the guide rod (4) is a telescopic rod.
8. The single-column correcting press-fitting hydraulic machine with the time-delay press-fitting function according to claim 1, wherein: the upper surface of the workbench (12) is fixedly connected with a positioning column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922070023.0U CN210997383U (en) | 2019-11-25 | 2019-11-25 | Single-column correction press-fitting hydraulic machine with time-delay press-fitting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922070023.0U CN210997383U (en) | 2019-11-25 | 2019-11-25 | Single-column correction press-fitting hydraulic machine with time-delay press-fitting function |
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| Publication Number | Publication Date |
|---|---|
| CN210997383U true CN210997383U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922070023.0U Expired - Fee Related CN210997383U (en) | 2019-11-25 | 2019-11-25 | Single-column correction press-fitting hydraulic machine with time-delay press-fitting function |
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| Country | Link |
|---|---|
| CN (1) | CN210997383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935766A (en) * | 2021-02-03 | 2021-06-11 | 浙江天工液压机械股份有限公司 | Press is used in assembly of high strength hydro-cylinder |
-
2019
- 2019-11-25 CN CN201922070023.0U patent/CN210997383U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935766A (en) * | 2021-02-03 | 2021-06-11 | 浙江天工液压机械股份有限公司 | Press is used in assembly of high strength hydro-cylinder |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 |