CN213889034U - Hydraulic clamping device of rotary worktable - Google Patents
Hydraulic clamping device of rotary worktable Download PDFInfo
- Publication number
- CN213889034U CN213889034U CN202022525298.1U CN202022525298U CN213889034U CN 213889034 U CN213889034 U CN 213889034U CN 202022525298 U CN202022525298 U CN 202022525298U CN 213889034 U CN213889034 U CN 213889034U
- Authority
- CN
- China
- Prior art keywords
- oil
- piston rod
- fixedly connected
- cylinder body
- shaft hole
- 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 hydraulic clamping device of a rotary worktable, which comprises a rotary worktable, a first pressing plate, a second pressing plate, an end cover and an oil cylinder body, the top of the oil cylinder body is fixedly connected with an end cover, the center of the end cover is provided with a first shaft hole, the surface of the first shaft hole is connected with a first piston rod in a sliding way, one end of the first piston rod is fixedly provided with a first pressing plate, a second shaft hole is arranged in the center of the bottom of the oil cylinder body, a second piston rod is connected to the surface of the second shaft hole in a sliding manner, the one end fixedly connected with second clamp plate of second piston rod, the one end of first clamp plate and the one end of second clamp plate are provided with rotary worktable, the utility model has the advantages of simple and reasonable structure, can effectually provide the locking force for rotary worktable, prevent to add impact load during processing and use on rotary driving motor and drive mechanism and cause the increase in drive clearance between the two. The processing precision is ensured, and the working efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of swivel work head, concretely relates to swivel work head hydraulic clamping device.
Background
With the development of the mechanical industry in China, the demands for high-precision machining and composite machining of workpieces in the market are more and more. After various horizontal machining centers, numerical control milling and boring machines and combined machining machines are provided with rotary working tables, all or most of machining procedures of workpieces can be completed through one-time clamping, and the machining precision and the production efficiency of the workpieces are greatly improved. In the machining process of the workpiece, after the rotary worktable is accurately positioned or indexed, the locking state needs to be kept, so that the workpiece is guaranteed to be stably clamped, and the machining precision is guaranteed. At present, machining equipment on the market generally adopts a rotary driving motor to tightly hold to complete the locking of a rotary worktable.
The prior art has the following problems: in the processing process, the rotary driving motor and the transmission mechanism need to bear impact load, and after long-term use, the driving clearance between the rotary driving motor and the transmission mechanism is increased, so that the processing efficiency and the processing precision are greatly influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotary worktable hydraulic clamping device to in solving and proposing in the above-mentioned background art, rotary driving motor and drive mechanism need bear impact load, use the back for a long time, can cause the increase of drive clearance between rotary driving motor and drive mechanism, influence machining efficiency and machining precision's problem greatly.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rotary worktable hydraulic clamping device, includes rotary worktable, first clamp plate, second clamp plate, end cover and the hydro-cylinder body, the top fixedly connected with end cover of hydro-cylinder body, first shaft hole has been seted up to the central point department of putting of end cover, the sliding surface in first shaft hole is connected with first piston rod, the one end fixed mounting of first piston rod has first clamp plate, the second shaft hole has been seted up to the bottom central authorities of hydro-cylinder body, the sliding surface in second shaft hole is connected with the second piston rod, the one end fixedly connected with second clamp plate of second piston rod.
Preferably, the end cover and the oil cylinder body form a sealed hydraulic oil cavity, the other end of the first piston rod is movably connected with the other end of the second piston rod through a spring, an upper oil cavity is formed by the first piston rod and one side of the end cover, and a lower oil cavity is formed by the second piston rod and one side of the oil cylinder body.
Preferably, one end of the upper oil chamber is fixedly connected with a first oil duct, one end of the first oil duct is fixedly connected with a first oil pipe joint, one end of the lower oil chamber is fixedly connected with a second oil duct, one end of the second oil duct is fixedly connected with a second oil pipe joint, and one ends of the first oil pipe joint and the second oil pipe joint penetrate through the outside of the hydraulic oil chamber.
Preferably, the bottom of the oil cylinder body is fixedly connected with a mounting foot, and the bottom of the mounting foot is fixedly connected with an adjusting pad.
Preferably, the peripheries of the upper oil cavity and the lower oil cavity are fixedly provided with spacer sleeves, the bottom end of the end cover is provided with a positioning boss, and the positioning boss is fixedly connected with the top end of the oil cylinder body.
Preferably, a rotary worktable is arranged at one end of the first pressing plate and one end of the second pressing plate.
Compared with the prior art, the utility model provides a rotary worktable hydraulic clamping device possesses following beneficial effect:
the utility model has the advantages of simple and compact structure, reasonable, the assembly is simple and easy, can effectually provide the locking force for rotary worktable, prevents to add impact load during processing and uses on rotary drive motor and drive mechanism and cause the increase in drive clearance between the two. The processing precision is ensured, and the working efficiency is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural view of a hydraulic clamping device of a rotary table according to the present invention;
fig. 2 is a schematic side view of the present invention;
in the figure: 1. a first platen; 2. a second platen; 3. an end cap; 4. an upper oil chamber; 5. a first piston rod; 6. a spring; 7. a first oil passage; 8. a first tubing joint; 9. a spacer sleeve; 10. a second tubing joint; 11. a second oil passage; 12. a cylinder block; 13. an adjustment pad; 14. a lower oil chamber; 15. a second piston rod; 16. mounting a foot; 17. positioning the boss; 18. a rotary table; 19. a second shaft hole; 20. the first shaft hole.
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. 1-2, the present invention provides a technical solution: a hydraulic clamping device of a rotary worktable comprises a rotary worktable 18, a first pressing plate 1, a second pressing plate 2, an end cover 3 and an oil cylinder body 12, wherein the top of the oil cylinder body 12 is fixedly connected with the end cover 3, the end cover 3 and the oil cylinder body 12 form a sealed hydraulic oil cavity, a first shaft hole 20 is formed in the central position of the end cover 3, a first piston rod 5 is connected to the surface of the first shaft hole 20 in a sliding manner, a sealing ring is fixedly arranged between the rod body of the first piston rod 5 and the surface of the first shaft hole 20, the first pressing plate 1 is fixedly arranged at one end of the first piston rod 5, a second shaft hole 19 is formed in the center of the bottom of the oil cylinder body 12, a second piston rod 15 is connected to the surface of the second shaft hole 19 in a sliding manner, a sealing ring is fixedly arranged between the rod body of the second piston rod 15 and the surface of the second shaft hole 19 for ensuring the sealing performance of hydraulic sealing, the second pressing plate 2 is fixedly connected to one end of the second piston rod 15, the other end of the first piston rod 5 is movably connected with the other end of the second piston rod 15 through a spring 6, an upper oil cavity 4 is formed by the first piston rod 5 and one side of the end cover 3, and a lower oil cavity 14 is formed by the second piston rod 15 and one side of the oil cylinder body 12.
One end of the first pressing plate 1 and one end of the second pressing plate 2 are provided with a rotary worktable 18, one end of the upper oil cavity 4 is fixedly connected with a first oil duct 7, one end of the first oil duct 7 is fixedly connected with a first oil pipe joint 8 for connecting with an external oil tank pipeline, one end of the lower oil cavity 14 is fixedly connected with a second oil duct 11, one end of the second oil duct 11 is fixedly connected with a second oil pipe joint 10 for connecting with an external oil tank pipeline, one ends of the first oil pipe joint 8 and the second oil pipe joint 10 penetrate to the outside of the hydraulic oil cavity, the bottom of the oil cylinder body 12 is fixedly connected with two mounting feet 16, the number of the mounting feet 16 is two, the second pressing plate 2 is fixedly mounted between the mounting feet 16 at the bottom of the oil cylinder body 12, the second pressing plate cannot rotate under the limitation of the mounting feet 16, the bottom of the mounting feet 16 is fixedly connected with an adjusting pad 13 for adjusting the safe distance between the oil cylinder body 12 and the base of the rotary worktable 18, all fixed mounting all around of upper oil chamber 4 and lower oil chamber 14 has spacer 9, first piston rod 5 and 15 sliding connection of second piston rod are in spacer 9, be used for the device when the use, hydraulic oil can't spill over through the clearance between the hydro-cylinder body 12 and the spacer 9, location boss 17 has been seted up to the bottom of end cover 3, the bottom of status boss 17 is laminated with the top of spacer 9 mutually, the outer wall of location boss 17 is laminated with the top inner wall of hydro-cylinder body 12 mutually, and the outer wall fixedly connected with sealing washer of location boss 17, prevent that hydraulic oil from leaking.
The utility model discloses a theory of operation and use flow:
when turning is carried out, the first oil pipe joint 8 and the second oil pipe joint 10 on the device respectively feed oil into the upper oil cavity 4 and the lower oil cavity 14, so that the first piston rod 5 and the second piston rod 15 move towards the direction of the compression spring 6, finally the first pressing plate 1 and the second pressing plate 2 are in contact with the rotary worktable 18, the first pressing plate 1 and the second pressing plate 2 are tightly held with the rotary worktable through friction force, namely the rotary worktable is locked, and the smooth turning can be ensured.
When the locking of the rotary worktable needs to be released, the hydraulic oil in the upper oil cavity 4 and the lower oil cavity 14 is unloaded through the first oil pipe joint 8 and the second oil pipe joint 10, the first piston rod 5 and the second piston rod 15 are acted by the restoring force of the spring 6 to drive the first pressing plate 1 and the second pressing plate 2 to be separated from the rotary worktable 18, and the rotary worktable 18 can be turned under the driving of the rotary driving motor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a rotary worktable hydraulic clamping device, includes rotary worktable (18), first clamp plate (1), second clamp plate (2), end cover (3) and hydro-cylinder body (12), its characterized in that: the top fixedly connected with end cover (3) of oil cylinder body (12), first shaft hole (20) have been seted up to the central position department of end cover (3), the sliding surface in first shaft hole (20) is connected with first piston rod (5), the one end fixed mounting of first piston rod (5) has first clamp plate (1), second shaft hole (19) have been seted up to the bottom central authorities of oil cylinder body (12), the sliding surface in second shaft hole (19) is connected with second piston rod (15), the one end fixedly connected with second clamp plate (2) of second piston rod (15).
2. A rotary table hydraulic clamping apparatus as claimed in claim 1, wherein: the end cover (3) and the oil cylinder body (12) form a sealed hydraulic oil cavity, the other end of the first piston rod (5) is movably connected with the other end of the second piston rod (15) through a spring (6), an upper oil cavity (4) is formed by the first piston rod (5) and one side of the end cover (3), and a lower oil cavity (14) is formed by the second piston rod (15) and one side of the oil cylinder body (12).
3. A rotary table hydraulic clamping apparatus as claimed in claim 2, wherein: the hydraulic oil chamber is characterized in that a first oil duct (7) is fixedly connected to one end of the upper oil chamber (4), a first oil pipe joint (8) is fixedly connected to one end of the first oil duct (7), a second oil duct (11) is fixedly connected to one end of the lower oil chamber (14), a second oil pipe joint (10) is fixedly connected to one end of the second oil duct (11), and one ends of the first oil pipe joint (8) and the second oil pipe joint (10) penetrate through the outside of the hydraulic oil chamber.
4. A rotary table hydraulic clamping apparatus as claimed in claim 1, wherein: the bottom fixedly connected with installation foot (16) of hydro-cylinder body (12), the bottom fixedly connected with adjusting pad (13) of installation foot (16).
5. A rotary table hydraulic clamping apparatus as claimed in claim 2, wherein: the oil cylinder is characterized in that spacer sleeves (9) are fixedly mounted on the periphery of the upper oil cavity (4) and the periphery of the lower oil cavity (14), a positioning boss (17) is arranged at the bottom end of the end cover (3), and the positioning boss (17) is fixedly connected with the top end of the oil cylinder body (12).
6. A rotary table hydraulic clamping apparatus as claimed in claim 1, wherein: and a rotary worktable (18) is arranged at one end of the first pressing plate (1) and one end of the second pressing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022525298.1U CN213889034U (en) | 2020-11-04 | 2020-11-04 | Hydraulic clamping device of rotary worktable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022525298.1U CN213889034U (en) | 2020-11-04 | 2020-11-04 | Hydraulic clamping device of rotary worktable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213889034U true CN213889034U (en) | 2021-08-06 |
Family
ID=77116999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022525298.1U Active CN213889034U (en) | 2020-11-04 | 2020-11-04 | Hydraulic clamping device of rotary worktable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213889034U (en) |
-
2020
- 2020-11-04 CN CN202022525298.1U patent/CN213889034U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109079704B (en) | Hand-held type hydraulic pressure bush pressure equipment device | |
| CN206169712U (en) | Pump body merry go round machine anchor clamps | |
| CN106891039A (en) | It is a kind of for drilling jig gripper of the workpiece with angle inclined hole | |
| CN213889034U (en) | Hydraulic clamping device of rotary worktable | |
| CN102371487B (en) | Rotary workbench gear ring hydraulic clamping device | |
| CN202278393U (en) | Hydraulic clamping device for gear ring of rotary worktable | |
| CN207087339U (en) | Lathe turntable hydraulic clamp | |
| CN212071602U (en) | Steel thin-wall cylinder sleeve honing clamp | |
| CN216802647U (en) | Powerful brake equipment of revolving stage | |
| CN212792076U (en) | Large part cleaning device for numerical control lathe | |
| CN214722527U (en) | Hydraulic clamp for clamping engine intake manifold | |
| CN212122394U (en) | Balance clamp | |
| CN212122483U (en) | Frock clamp and frock | |
| CN203471349U (en) | Vertical lathe workbench clamping mechanism | |
| CN202491087U (en) | Mechanical thrust unit for automatic chuck | |
| CN212470503U (en) | Lock cylinder punching chamfering device | |
| CN208614314U (en) | A kind of connecting rod brill microcephaly's oil hole clamp | |
| CN213981432U (en) | Oil pressure corner cylinder | |
| CN110561001A (en) | Tooling for welding movable valve seat of large-diameter butterfly valve | |
| CN112453956A (en) | Numerical control lathe clamping structure for special-shaped workpiece | |
| CN213671716U (en) | Floating oil seal ring blank casting die | |
| CN206527537U (en) | Engine cylinder-body clamp for machining | |
| CN220074004U (en) | Vacuum chuck for needle plate processing | |
| CN206425858U (en) | A kind of direct-pulling type hydraulically operated fixture | |
| CN214771564U (en) | Hydraulic clamping and rotating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |