CN217412495U - Clamping device for piston machining - Google Patents
Clamping device for piston machining Download PDFInfo
- Publication number
- CN217412495U CN217412495U CN202221133912.2U CN202221133912U CN217412495U CN 217412495 U CN217412495 U CN 217412495U CN 202221133912 U CN202221133912 U CN 202221133912U CN 217412495 U CN217412495 U CN 217412495U
- Authority
- CN
- China
- Prior art keywords
- metal sheets
- fixedly connected
- clamping device
- cross rod
- piston
- 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
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a clamping device for piston processing, which comprises a turntable, a tensioning sleeve and a tensioning block, wherein the tensioning sleeve comprises a metal cylinder fixedly connected with the front side disc surface of the turntable, a plurality of metal sheets are respectively and fixedly connected with the front side end surface of the metal cylinder along the circumferential direction, and the inner side surfaces of the metal sheets are inclined planes which are wide in the front and narrow in the back; the tensioning block is in a conical shape with a large front part and a small back part, is coaxially arranged inside the plurality of metal sheets, has a gap with the plurality of metal sheets, and moves backwards to extrude and expand the plurality of metal sheets. The utility model discloses simple structure adopts the matched with to rise to overlap and the tight piece that rises, when the tight piece that rises sideslip backward, can extrude and expand a plurality of sheetmetal, realizes rising tightly to the work piece from the inboard, and is firm reliable, and the processing of excircle, one end terminal surface and the both ends tip of work piece can be realized to a clamping, and work efficiency is high, and can not damage the work piece.
Description
Technical Field
The utility model relates to a metal work piece processing technology field specifically is a clamping device is used in piston processing.
Background
The piston is widely used as a component which reciprocates in a cylinder body of a cylinder, a hydraulic cylinder and the like, and is generally a metal component. In the machining process of the piston, it is often necessary to turn the outer circumference thereof, mill the end surface thereof, etc., and machine grooves (for mounting the seal ring) at both ends, etc. Therefore, a clamp needs to be arranged on the processing machine tool to clamp the workpiece.
At present, common anchor clamps are three-jaw chucks, and in order to realize the processing of above-mentioned excircle, terminal surface and tip, only can clamp the one end of work piece through three-jaw chuck, need change machined surface or processing position in actual course of working, will have secondary positioning error like this, influence the machining precision of work piece, and inefficiency. In addition, the piston is a metal piece with a thin wall, and the workpiece is damaged due to overlarge clamping force.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defect and not enough that prior art exists, provide a clamping device for piston machining, can follow the inboard and realize rising tightly the work piece, the processing of excircle, one end terminal surface and the both ends tip of work piece can be realized to a clamping to improve work efficiency, and can not damage the work piece.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a clamping device is used in piston processing, including the carousel, rise tight cover and tight piece that rises, its characterized in that: the tensioning sleeve comprises a metal cylinder fixedly connected to the front side disc surface of the rotary disc, a plurality of metal sheets are respectively and fixedly connected to the front side end surface of the metal cylinder along the circumferential direction, and the inner side surfaces of the metal sheets are inclined planes which are wide in front and narrow in back; the tensioning block is in a conical shape with a large front part and a small back part, is coaxially arranged inside the plurality of metal sheets, has a gap with the plurality of metal sheets, and moves backwards to extrude and expand the plurality of metal sheets.
Furthermore, the rear side surface of the turntable is fixedly connected with a hollow rotating shaft, and the hollow rotating shaft is in transmission connection with a driving motor.
Furthermore, a v-shaped 21274bracket is fixed at one side of the inside of the hollow rotating shaft close to the turntable, and an electric cylinder is fixed on the v-shaped 21274bracket; the middle part of the rotary table is provided with a central hole penetrating through the front disc surface and the rear disc surface of the rotary table, the rear side of the tension block is fixedly connected with a cross rod, the cross rod penetrates through the central hole backwards and is fixedly connected with a telescopic rod of the electric cylinder, and the cross rod is in sliding fit with the hole wall of the central hole; and the telescopic rod of the electric cylinder retracts, and the tensioning block is pulled to move backwards and transversely by the cross rod.
Furthermore, a vertical rod is fixedly connected to the front side of the v-21274-shaped support, a through hole for the cross rod to pass through is formed in the vertical rod, and the cross rod is in sliding fit with the hole wall of the through hole.
Furthermore, a spring is sleeved between the rear side disc surface of the rotary disc and the vertical rod outside the cross rod.
Furthermore, a rechargeable power supply for providing a working power supply for the electric cylinder is arranged on the outer wall of the hollow rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has simple structure, adopts the matched tensioning sleeve and tensioning block, can extrude and expand a plurality of metal sheets when the tensioning block moves backwards, realizes tensioning the workpiece from the inner side, is firm and reliable, can realize the processing of the excircle, one end face and two end parts of the workpiece by one-time clamping, has high working efficiency and can not damage the workpiece; when the tensioning block moves forwards, the extrusion on the plurality of metal sheets can be relieved, the plurality of metal sheets are folded and reset immediately, the tensioning on the workpiece is relieved, the machined workpiece can be taken down, and the operation is convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of the structure of the present invention.
Fig. 3 is a schematic structural view of the tightened workpiece (piston) according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a clamping device for piston processing comprises a rotary table 1, a tensioning sleeve 2 and a tensioning block 3, wherein the tensioning sleeve 2 comprises a metal cylinder 21 fixedly connected to the front side disc surface of the rotary table 1, a plurality of metal sheets 22 are respectively and fixedly connected to the front side end surface of the metal cylinder 21 along the circumferential direction, and the inner side surfaces of the plurality of metal sheets 22 are inclined surfaces which are wide in the front and narrow in the back; the tensioning block 2 is in a conical shape with a large front part and a small back part, is coaxially arranged inside the plurality of metal sheets 22, has a gap with the plurality of metal sheets 22, and moves backwards, extrudes and expands the plurality of metal sheets 2.
The utility model discloses in, the trailing flank fixedly connected with cavity pivot 4 of carousel 1, cavity pivot 4 is connected with the driving motor transmission. Therefore, the driving turntable 1 is driven to rotate, and the workpiece to be machined is driven to rotate.
In the utility model, one side of the hollow rotating shaft 4 close to the turntable is fixed with a v-21274, the shape bracket 5, a v-21274, and the electric cylinder 6 is fixed on the shape bracket 5; the middle part of the rotary table 1 is provided with a central hole 7 penetrating through the front disc surface and the rear disc surface of the rotary table, the rear side of the tensioning block 2 is fixedly connected with a cross rod 8, the cross rod 8 penetrates through the central hole 7 backwards and is fixedly connected with a telescopic rod of the electric cylinder 6, and the cross rod 8 is in sliding fit with the hole wall of the central hole 7.
From this, when retracting, the telescopic link of electric jar 6 can pass through the horizontal pole 8 pulling tight piece 3 of rising and sideslip backward, extrude and expand a plurality of sheetmetal 2, and then realize rising tightly the work piece from the inboard.
The utility model discloses in, 21274the front side fixedly connected with montant 9 of shape support 5 is equipped with the through-hole 10 that supplies the horizontal pole to pass on montant 9, and horizontal pole 8 is with the pore wall looks sliding fit of through-hole 10.
Therefore, through the arrangement of the central hole 7 and the through hole 10, two-point support can be provided for the cross rod 8, and the stability of the cross rod 8 in the transverse moving process is improved; and the cross rod 8 is respectively in sliding fit with the hole walls of the central hole 7 and the through hole 10, so that the transverse movement of the cross rod 8 is not influenced.
The utility model discloses in, the outside of horizontal pole 8 is equipped with spring 11 between the rear side quotation of carousel 1 and montant 9 cover. From this, through the elastic expansion of spring 11, can provide the buffering for the sideslip of horizontal pole 8, further improve the stability of horizontal pole 8 in the sideslip in-process.
The utility model discloses in, but the outer wall mounting of cavity pivot 4 provides working power supply's chargeable source 12 for electric jar 6. Therefore, the normal work of the electric cylinder 6 can be ensured; in addition, after the machine is stopped, the rechargeable power supply 12 can be charged, and the continuity of machining is guaranteed.
The invention is further described below with reference to the accompanying drawings:
when the device works, a workpiece 13 (piston) to be processed is sleeved on the tensioning sleeve, the telescopic rod of the electric cylinder 6 retracts, the tensioning block 3 is pulled by the cross rod 8 to move backwards, the metal sheets 2 are extruded and expanded, the workpiece 13 (piston) is tensioned from the inner side, and the workpiece 13 (piston) is fixed.
Then, the driving motor drives the hollow rotating shaft 4 to rotate, so as to drive the rotating disc 1 and the workpiece 13 (piston) to rotate, the corresponding machining tool is used for turning the outer circle of the workpiece 13 (piston), milling the end face of one end of the workpiece 13 (piston) (namely, the end face of one end far away from the rotating disc 1) and the like, and machining the end parts of two ends of the workpiece 13 (piston) (namely, machining grooves for installing sealing rings at two ends) and the like.
After the processing is finished, the telescopic rod of the electric cylinder 6 extends out, the tensioning block 3 is pushed by the cross rod 8 to move forwards, the extrusion on the plurality of metal sheets 22 is removed, the plurality of metal sheets 22 are folded and reset immediately, the tensioning on the workpiece is removed, and the processed workpiece can be taken down at the moment.
It should be noted that, for convenience of operation, a control button (not shown in the figure) for controlling the operation of the electric cylinder 6 should be installed on the outer wall of the hollow rotating shaft 4.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (6)
1. The utility model provides a clamping device is used in piston processing, including the carousel, rise tight cover and tight piece that rises, its characterized in that: the tensioning sleeve comprises a metal cylinder fixedly connected to the front side disc surface of the rotary disc, a plurality of metal sheets are respectively and fixedly connected to the front side end surface of the metal cylinder along the circumferential direction, and the inner side surfaces of the metal sheets are inclined planes which are wide in front and narrow in back; the tension block is in a conical shape with a big front and a small back, is coaxially arranged inside the plurality of metal sheets, has a gap with the plurality of metal sheets, and moves backwards to extrude and expand the plurality of metal sheets.
2. The clamping device for piston machining according to claim 1, characterized in that: the rear side face of the rotary disc is fixedly connected with a hollow rotary shaft, and the hollow rotary shaft is in transmission connection with a driving motor.
3. The clamping device for piston machining according to claim 2, characterized in that: a v-shaped bracket is fixed in the hollow rotating shaft at one side close to the turntable, and an electric cylinder is fixed on the v-shaped bracket 21274; the middle part of the rotary table is provided with a central hole penetrating through the front disc surface and the rear disc surface of the rotary table, the rear side of the tension block is fixedly connected with a cross rod, the cross rod penetrates through the central hole backwards and is fixedly connected with a telescopic rod of the electric cylinder, and the cross rod is in sliding fit with the hole wall of the central hole; and the telescopic rod of the electric cylinder retracts, and the tensioning block is pulled to move backwards and transversely by the cross rod.
4. The clamping device for piston machining according to claim 3, characterized in that: the front side of the v-21274-shaped bracket is fixedly connected with a vertical rod, the vertical rod is provided with a through hole for the cross rod to pass through, and the cross rod is in sliding fit with the hole wall of the through hole.
5. The clamping device for piston machining according to claim 4, characterized in that: the spring is sleeved between the rear side disc surface of the rotary disc and the vertical rod outside the cross rod.
6. The clamping device for piston machining according to claim 3, characterized in that: and a rechargeable power supply for providing a working power supply for the electric cylinder is arranged on the outer wall of the hollow rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221133912.2U CN217412495U (en) | 2022-05-12 | 2022-05-12 | Clamping device for piston machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221133912.2U CN217412495U (en) | 2022-05-12 | 2022-05-12 | Clamping device for piston machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217412495U true CN217412495U (en) | 2022-09-13 |
Family
ID=83186231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221133912.2U Active CN217412495U (en) | 2022-05-12 | 2022-05-12 | Clamping device for piston machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217412495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117169024A (en) * | 2023-11-02 | 2023-12-05 | 绍兴市上虞区武汉理工大学高等研究院 | Experimental device and testing method for simulating repeated pressurization of inner cavity of hydrogen storage bottle |
-
2022
- 2022-05-12 CN CN202221133912.2U patent/CN217412495U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117169024A (en) * | 2023-11-02 | 2023-12-05 | 绍兴市上虞区武汉理工大学高等研究院 | Experimental device and testing method for simulating repeated pressurization of inner cavity of hydrogen storage bottle |
| CN117169024B (en) * | 2023-11-02 | 2024-01-26 | 绍兴市上虞区武汉理工大学高等研究院 | Experimental device and testing method for simulating repeated pressurization of inner cavity of hydrogen storage bottle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217412495U (en) | Clamping device for piston machining | |
| CN204094532U (en) | The post-tensioning tight-holding type vehicle clamper of a kind of processing thin-walled endoporus and end face | |
| CN211248386U (en) | Auxiliary clamp for machining chuck | |
| CN212384811U (en) | Friction stir welding main shaft structure | |
| CN113385752A (en) | Positioning and clamping device suitable for single-head screw pump rotor machining | |
| CN107363313B (en) | A kind of milling head special fixture of numerically-controlled machine tool | |
| CN216359428U (en) | Numerical control machine tool is with anchor clamps of convenient angle regulation | |
| CN202539755U (en) | Large-diameter bend flame cutter fixture | |
| CN210132077U (en) | Chuck soft claw of automobile rear brake hub | |
| CN210024660U (en) | Universal indexing chuck | |
| CN113275911A (en) | Workpiece quick positioning and fixing device for multi-axis machining machine tool | |
| CN111633322A (en) | Friction stir welding main shaft for automatic robot welding | |
| CN211516113U (en) | Automatic power chuck of centering | |
| CN214770668U (en) | Rotatable machine tool of guide box | |
| CN214392402U (en) | Chuck for lathe | |
| CN211991971U (en) | Clamping mechanism for numerical control lathe | |
| CN217167616U (en) | Expansion sleeve clamp with universal joint pull rod | |
| CN219379017U (en) | Ultra-precise air-detection rear-pulling inner-clamping three-jaw chuck | |
| CN221047903U (en) | Turning tool for thin-wall shell parts | |
| CN215393467U (en) | Clamping device on milling cutter welding machine | |
| CN214686129U (en) | Frock rapid fixture convenient to adjustment handle length | |
| CN220073315U (en) | Quick-change chuck with rear positioning function | |
| CN215240539U (en) | Mechanical oil pressure type driving tip | |
| CN218836119U (en) | Linear eccentric automatic correction chuck | |
| CN216227955U (en) | Positioning device for gear shaft machining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |