CN210232327U - Hydraulic clamping table - Google Patents
Hydraulic clamping table Download PDFInfo
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- CN210232327U CN210232327U CN201921075296.8U CN201921075296U CN210232327U CN 210232327 U CN210232327 U CN 210232327U CN 201921075296 U CN201921075296 U CN 201921075296U CN 210232327 U CN210232327 U CN 210232327U
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- cavity
- sliding
- piston
- pull disc
- clamping table
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Abstract
The utility model discloses a hydraulic clamping table, which comprises a body, wherein a slide block cavity with an opening at the upper end and a piston cavity with an opening at the lower end are arranged in the body; a communicating hole is formed in the body; a piston body is connected in the piston cavity in a sliding manner, a piston rod is arranged on the piston body, and a pull disc connected with the piston rod is connected in the slide block cavity in a sliding manner; a rear cylinder cover is arranged on the body at the opening at the lower end of the piston cavity; the rear cylinder cover is provided with a second oil hole communicated with the rodless cavity; a first sliding chute and a second sliding chute which are communicated with the sliding block cavity are arranged in the body along the horizontal direction, a first base claw driven by a pull disc is connected in the first sliding chute in a sliding manner, and a second base claw driven by the pull disc is connected in the second sliding chute in a sliding manner; the hydraulic clamping table is reasonable in structure, and can clamp workpieces quickly and firmly.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, specifically indicate a hydraulic pressure presss from both sides platform.
Background
When a workpiece is machined on a machine tool, the workpiece needs to be firmly clamped, so that a special workpiece clamping table is needed, fixing positions such as T-shaped blocks and stop blocks are widely used on a grinding machine and a milling machine, the workpiece is fastened by bolts, the combined clamp is high in universality, the bolts need to be screwed manually, the speed is low, and the efficiency is low. The clamping force is provided by the screw thread, the size is limited, and the machine tool is easy to vibrate and damage the screw thread, so that larger machining errors are caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a hydraulic pressure presss from both sides platform, it is rational in infrastructure not only, but also can realize pressing from both sides tightly the work piece fast firmly.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic clamping table comprises a body, wherein a slide block cavity with an opening at the upper end and a piston cavity with an opening at the lower end are arranged in the body, and the slide block cavity and the piston cavity are coaxially arranged; a communicating hole for communicating the slide block cavity and the piston cavity is formed in the body; a piston body is connected in the piston cavity in a sliding manner, a piston rod which penetrates through the communicating hole and extends into the sliding block cavity is arranged on the piston body, and a pull disc connected with the piston rod is connected in the sliding block cavity in a sliding manner; a rear cylinder cover is arranged on the body at the opening at the lower end of the piston cavity; a rodless cavity is formed between the piston body and the rear cylinder cover in the piston cavity, and a rod cavity is formed between the piston body and the top wall of the piston cavity; the rear cylinder cover is provided with a second oil hole communicated with the rodless cavity; the sliding mechanism is characterized in that a first sliding groove and a second sliding groove which are communicated with the sliding block cavity are arranged in the body along the horizontal direction, a first base claw driven by a pull disc is connected in the first sliding groove in a sliding mode, and a second base claw driven by the pull disc is connected in the second sliding groove in a sliding mode.
Through the technical scheme, when a workpiece needs to be clamped by the hydraulic clamping table, pressure oil enters the rod cavity from the first oil hole to push the piston body to move downwards, and the pressure oil in the rodless cavity flows out of the second oil hole; when the piston body moves downwards, the piston rod drives the pull disc to move downwards, and when the pull disc moves downwards, the first base jaw and the second base jaw are driven to move oppositely to clamp a workpiece; when the hydraulic clamping table needs to loosen a workpiece, pressure oil enters the rodless cavity from the second oil hole to push the piston body to move upwards, and the pressure oil in the rod cavity flows out of the first oil hole; when the piston body moves upwards, the piston rod drives the pull disc to move upwards, and when the pull disc moves upwards, the first base jaw and the second base jaw are driven to move in opposite directions to loosen the workpiece; the hydraulic clamping table is reasonable in structure, and can clamp workpieces quickly and firmly.
In a further technical scheme, a left inclined chute and a right inclined chute with T-shaped cross sections are symmetrically arranged on the pull disc; the first base claw is provided with a left sliding block which is connected in the left inclined sliding groove in a sliding mode, and the second base claw is provided with a right sliding block which is connected in the right inclined sliding groove in a sliding mode.
In a further technical scheme, a first sliding table is arranged on the first base claw, and a second sliding table matched with the first sliding table is arranged on the second base claw.
In a further technical scheme, a dustproof cover is arranged at an opening at the upper end of the sliding block cavity; set up the waste material that the shield can prevent that the work piece from processing from falling into the slider intracavity.
In a further technical scheme, the one end of keeping away from the slider chamber on the first spout is equipped with first dustproof side cap, the one end of keeping away from the slider chamber on the second spout is equipped with the dustproof side cap of second.
In a further technical scheme, a third oil hole communicated with the second oil hole is formed in the body.
(III) advantageous effects
Compared with the prior art, the technical scheme of the utility model have following advantage:
when a workpiece needs to be clamped by the hydraulic clamping table, pressure oil enters the rod cavity from the first oil hole to push the piston body to move downwards, and the pressure oil in the rodless cavity flows out of the second oil hole; when the piston body moves downwards, the piston rod drives the pull disc to move downwards, and when the pull disc moves downwards, the first base jaw and the second base jaw are driven to move oppositely to clamp a workpiece; when the hydraulic clamping table needs to loosen a workpiece, pressure oil enters the rodless cavity from the second oil hole to push the piston body to move upwards, and the pressure oil in the rod cavity flows out of the first oil hole; when the piston body moves upwards, the piston rod drives the pull disc to move upwards, and when the pull disc moves upwards, the first base jaw and the second base jaw are driven to move in opposite directions to loosen the workpiece; the hydraulic clamping table is reasonable in structure, and can clamp workpieces quickly and firmly.
Drawings
FIG. 1 is a perspective assembly view of a hydraulic clamping table in an embodiment;
FIG. 2 is an exploded view of the hydraulic clamping table in the embodiment;
FIG. 3 is a main sectional view of a hydraulic clamping table in the embodiment;
FIG. 4 is a left side sectional view of the hydraulic clamping table in the embodiment;
FIG. 5 is a top view of the hydraulic clamping table of the embodiment;
fig. 6 is a structural view of the pull plate in the embodiment.
Detailed Description
Referring to fig. 1-6, a hydraulic clamping table includes a body 23, a slider cavity 2301 with an open upper end and a piston cavity 2302 with an open lower end are disposed in the body 23, and the slider cavity 2301 and the piston cavity 2302 are coaxially disposed; a communication hole 2303 for communicating the slider cavity 2301 with the piston cavity 2302 is formed in the body 23; a piston body 4 is connected in the piston cavity 2302 in a sliding manner, a piston rod 5 which penetrates through the communicating hole 2303 and extends into the slider cavity 2301 is arranged on the piston body 4, and a pull disc 21 connected with the piston rod 5 is connected in the slider cavity 2301 in a sliding manner; a rear cylinder cover 3 is arranged on the body 23 at the lower end opening of the piston cavity 2302; a rodless chamber 2302a is formed in the piston chamber 2302 between the piston body 4 and the rear cylinder head 3, and a rod chamber 2302b is formed between the piston body 4 and the top wall of the piston chamber 2302; a first oil hole 2304 communicated with the rod cavity 2302b is formed in the body 23, and a second oil hole 2305 communicated with the rodless cavity 2302a is formed in the rear cylinder head 3; a first sliding groove 231 and a second sliding groove 232 which are communicated with the sliding block cavity 2301 are arranged in the body 23 along the horizontal direction, a first base claw 121 driven by the pull disc 21 is connected in the first sliding groove 231 in a sliding mode, and a second base claw 122 driven by the pull disc 21 is connected in the second sliding groove 232 in a sliding mode.
The pull disc 21 is symmetrically provided with a left inclined chute 211 and a right inclined chute 212, the cross sections of which are T-shaped; the first base claw 121 is provided with a left slider 1210 which is slidably connected in the left inclined sliding groove 211, and the second base claw 122 is provided with a right slider 1220 which is slidably connected in the right inclined sliding groove 212. The first base claw 121 is provided with a first sliding table 131, and the second base claw 122 is provided with a second sliding table 132 matched with the first sliding table 131.
The upper end opening part of slider chamber 2301 installs shield 17 through the bolt, sets up shield 17 and can prevent that the waste material of work piece processing from falling into in the slider chamber 2301. A first dustproof side cover 91 is arranged at one end, far away from the sliding block cavity 2301, of the first sliding groove 231 through a bolt, and a second dustproof side cover 92 is arranged at one end, far away from the sliding block cavity 2301, of the second sliding groove 232 through a bolt. The body 23 is provided therein with a third oil hole 7 communicating with the second oil hole 2305.
When a workpiece needs to be clamped by the hydraulic clamping table, pressure oil enters the rod cavity 2302b from the first oil hole 2304 to push the piston body 4 to move downwards, and the pressure oil in the rod-free cavity 2302a flows out through the second oil hole 2305 and the third oil hole 7; when the piston body 4 moves downwards, the piston rod 5 drives the pull disc 21 to move downwards, when the pull disc 21 moves downwards, the first base claw 121 is driven to drive the first sliding table 131 to move towards the direction close to the second sliding table 132 through the matching of the left inclined sliding groove 211 and the left sliding block 1210, and meanwhile, the second base claw 122 is driven to drive the second sliding table 132 to move towards the direction close to the first sliding table 131 through the matching of the right inclined sliding groove 212 and the right sliding block 1220, so that a workpiece is clamped tightly.
When the hydraulic clamping table needs to loosen a workpiece, pressure oil enters the rodless cavity 2302a through the third oil hole 7 and the second oil hole 2305 to push the piston body 4 to move upwards, and the pressure oil in the rod cavity 2302b flows out of the first oil hole 2304; when the piston body 4 moves upwards, the piston rod 5 drives the pull disc 21 to move upwards, when the pull disc 21 moves upwards, the first base claw 121 is driven to drive the first sliding table 131 to move towards the direction away from the second sliding table 132 through the matching of the left inclined sliding groove 211 and the left sliding block 1210, and meanwhile, the second base claw 122 is driven to drive the second sliding table 132 to move towards the direction away from the first sliding table 131 through the matching of the right inclined sliding groove 212 and the right sliding block 1220, so that a workpiece is loosened.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A hydraulic clamping table comprises a body and is characterized in that a slide block cavity with an opening at the upper end and a piston cavity with an opening at the lower end are arranged in the body, and the slide block cavity and the piston cavity are coaxially arranged; a communicating hole for communicating the slide block cavity and the piston cavity is formed in the body; a piston body is connected in the piston cavity in a sliding manner, a piston rod which penetrates through the communicating hole and extends into the sliding block cavity is arranged on the piston body, and a pull disc connected with the piston rod is connected in the sliding block cavity in a sliding manner; a rear cylinder cover is arranged on the body at the opening at the lower end of the piston cavity; a rodless cavity is formed between the piston body and the rear cylinder cover in the piston cavity, and a rod cavity is formed between the piston body and the top wall of the piston cavity; the rear cylinder cover is provided with a second oil hole communicated with the rodless cavity; the sliding mechanism is characterized in that a first sliding groove and a second sliding groove which are communicated with the sliding block cavity are arranged in the body along the horizontal direction, a first base claw driven by a pull disc is connected in the first sliding groove in a sliding mode, and a second base claw driven by the pull disc is connected in the second sliding groove in a sliding mode.
2. The hydraulic clamping table according to claim 1, wherein a left inclined chute and a right inclined chute which are T-shaped in cross section are symmetrically arranged on the pull disc; the first base claw is provided with a left sliding block which is connected in the left inclined sliding groove in a sliding mode, and the second base claw is provided with a right sliding block which is connected in the right inclined sliding groove in a sliding mode.
3. The hydraulic clamping table according to claim 1, wherein a first sliding table is arranged on the first base jaw, and a second sliding table matched with the first sliding table is arranged on the second base jaw.
4. The hydraulic clamping table according to claim 1, wherein a dust cover is mounted at an opening at the upper end of the sliding block cavity.
5. The hydraulic clamp stand of claim 1, wherein the first runner has a first dust-proof side cover at an end remote from the slide cavity, and the second runner has a second dust-proof side cover at an end remote from the slide cavity.
6. The hydraulic clamp stand of claim 1, wherein a third oil hole is provided in the body in communication with the second oil hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921075296.8U CN210232327U (en) | 2019-07-10 | 2019-07-10 | Hydraulic clamping table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921075296.8U CN210232327U (en) | 2019-07-10 | 2019-07-10 | Hydraulic clamping table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210232327U true CN210232327U (en) | 2020-04-03 |
Family
ID=69990534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921075296.8U Active CN210232327U (en) | 2019-07-10 | 2019-07-10 | Hydraulic clamping table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210232327U (en) |
-
2019
- 2019-07-10 CN CN201921075296.8U patent/CN210232327U/en active Active
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