CN215966385U - Hydraulic positioning device for hydraulic indexing chuck - Google Patents
Hydraulic positioning device for hydraulic indexing chuck Download PDFInfo
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- CN215966385U CN215966385U CN202121922198.0U CN202121922198U CN215966385U CN 215966385 U CN215966385 U CN 215966385U CN 202121922198 U CN202121922198 U CN 202121922198U CN 215966385 U CN215966385 U CN 215966385U
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- hydraulic
- positioning
- fixedly connected
- hollow column
- chuck
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- 230000000694 effects Effects 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003981 ectoderm Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of hydraulic indexing chucks and discloses a hydraulic positioning device for a hydraulic indexing chuck, which comprises a chuck, wherein the left side of the chuck is fixedly connected with a first hydraulic cylinder through a connecting frame, the left end of the first hydraulic cylinder is communicated with a first oil inlet pipe, the right end of a piston rod of the first hydraulic cylinder is fixedly connected with a hollow column, the right side of the hollow column is fixedly connected with a positioning block, two sides of the positioning block are respectively provided with a plane positioning mechanism, two sides of the hollow column are respectively provided with a sliding chute, the chute walls of the two sliding chutes are in common contact with each other and are respectively fixedly connected with a push rod, and a pushing positioning mechanism is arranged between the left side in the hollow column and the sliding plate. The pipe part positioning device can stably position pipe parts with larger inner diameters, and is convenient for clamping and processing by the chuck.
Description
Technical Field
The utility model relates to the technical field of hydraulic indexing chucks, in particular to a hydraulic positioning device for a hydraulic indexing chuck.
Background
The index plate is a machine tool accessory which clamps a workpiece on a chuck or between two top centers and enables the workpiece to rotate, index and position, and the existing numerical control machine tool usually adopts a hydraulic index chuck to clamp parts when working.
Wherein the patent number is CN204018765U discloses a rear end hydraulic positioning device for hydraulic pressure graduation chuck, the device is including the hydraulic cylinder casing that is fixed in hydraulic pressure graduation chuck rear end, wherein, the central axis of hydraulic cylinder casing has seted up the centre bore, be provided with the locating lever in this centre bore, the afterbody and the hydraulic pressure of locating lever advance oil pipe and cooperate, the head of locating lever stretches out hydraulic cylinder casing and work piece cooperation to hydraulic pressure graduation chuck direction, the periphery cover of the inherent locating lever of centre bore has been put and has been made the reset spring of locating lever return, the device has certain defect when using:
when the clamping and positioning of the pipe parts are carried out, the inner diameter of the pipe is large, and the positioning rod cannot contact with the pipe to complete the positioning work, so that the using effect of the indexing chuck is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that pipe parts with larger inner diameters cannot be stably positioned and clamped in the prior art, and provides a hydraulic positioning device for a hydraulic indexing chuck.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a hydraulic positioning device for hydraulic pressure graduation chuck, includes the chuck, the first pneumatic cylinder of link fixedly connected with is passed through in the left side of chuck, the left end intercommunication of first pneumatic cylinder is equipped with first into oil pipe, the hollow post of piston rod right-hand member fixedly connected with of first pneumatic cylinder, the right side fixedly connected with locating piece of hollow post, the both sides of locating piece all are equipped with plane positioning mechanism, the spout has all been seted up to the both sides of hollow post, two the cell wall common contact of spout is provided with the slide, the equal fixedly connected with push rod in the right side both ends of slide, be equipped with between the inside left side of hollow post and the slide and promote positioning mechanism.
Preferably, the plane positioning mechanism comprises two symmetrically arranged positioning plates, rotating blocks and fixing rods are fixedly arranged on two sides of the right end of each positioning block, fixing rods are fixedly arranged at the other ends of the rotating blocks, the positioning plates are rotatably sleeved with the rod walls of the fixing rods, torsional springs are sleeved on the rod walls of the fixing rods, two ends of each torsional spring are fixedly connected with the fixing rods and the positioning plates respectively, and the positioning plates are in contact with the push rods.
Preferably, promote positioning mechanism and include the second pneumatic cylinder, the internal surface left side fixed connection of second pneumatic cylinder and hollow post, and piston rod right-hand member and slide fixed connection, the left end intercommunication of second pneumatic cylinder is equipped with the second and advances oil pipe, the second advances oil pipe and slides with hollow post and link and cup joint.
Preferably, promote positioning mechanism and include motor and lead screw, motor and the internal surface left side fixed connection of empty core post, the output fixed connection of lead screw and motor, and the right-hand member passes through the bearing and is connected with the internal surface right side rotation of empty core post, the slide cup joints with the pole wall screw thread of lead screw, the left side intercommunication of motor is equipped with output cable, output cable and empty core post and link slip cup joint.
Preferably, the first oil inlet pipe and the second oil inlet pipe both adopt high-pressure hoses.
Preferably, the outer side wall of the output cable is fixedly sleeved with a rubber protective sleeve.
Preferably, the positioning block is arranged in a conical shape.
Compared with the prior art, the utility model provides a hydraulic positioning device for a hydraulic indexing chuck, which has the following beneficial effects:
1. this a hydraulic positioning device for hydraulic pressure graduation chuck through link, hollow post, locating piece, first pneumatic cylinder and the first oil pipe of advancing that is equipped with, can fix a position stick class part.
2. This a hydraulic positioning device for hydraulic pressure index chuck through locating piece, plane positioning mechanism and the promotion positioning mechanism that is equipped with, can stabilize effectual location to pipe part.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the device is convenient to operate, can stably and effectively position the pipe and rod parts, is convenient for the chuck to clamp the parts, and improves the using effect of the chuck.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic positioning device for a hydraulic index chuck according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is a schematic structural diagram of another embodiment of a hydraulic positioning device for a hydraulic index chuck according to the present invention;
fig. 5 is an enlarged view of a portion C of fig. 4.
In the figure: the device comprises a chuck 1, a connecting frame 2, a first hydraulic cylinder 3, a first oil inlet pipe 4, a hollow column 5, a positioning block 6, a sliding plate 7, a push rod 8, a positioning plate 9, a rotating block 10, a fixing rod 11, a torsion spring 12, a second hydraulic cylinder 13, a second oil inlet pipe 14, a motor 15, a lead screw 16, an output cable 17 and a rubber protective sleeve 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-3, a hydraulic positioning device for hydraulic indexing chuck, including chuck 1, 2 fixedly connected with first pneumatic cylinder 3 is passed through in the left side of chuck 1, the left end intercommunication of first pneumatic cylinder 3 is equipped with first oil inlet pipe 4, the hollow post 5 of piston rod right-hand member fixedly connected with of first pneumatic cylinder 3, the right side fixedly connected with locating piece 6 of hollow post 5, carry out the tight location in top fast to excellent class part through locating piece 6, the both sides of locating piece 6 all are equipped with plane positioning mechanism, the spout has all been seted up to the both sides of hollow post 5, the cell wall common contact of two spouts is provided with slide 7, slide to slide 7 through the spout carries on spacingly, the equal fixedly connected with push rod 8 in the right side both ends of slide 7, be equipped with between the inside left side of hollow post 5 and the slide 7 and promote positioning mechanism.
Plane positioning mechanism includes the locating plate 9 that two symmetries set up, the right-hand member both sides of locating piece 6 are all fixed and are equipped with turning block 10, the other end of two turning blocks 10 is all fixed and is equipped with dead lever 11, locating plate 9 rotates with the pole wall of dead lever 11 and cup joints, the pole wall of dead lever 11 has cup jointed torsional spring 12, the both ends of torsional spring 12 respectively with dead lever 11 and locating plate 9 fixed connection, locating plate 9 sets up with the contact of push rod 8, can reply to initial position fast after locating plate 9 location work finishes through torsional spring 12.
Promote positioning mechanism and include second pneumatic cylinder 13, second pneumatic cylinder 13 and the internal surface left side fixed connection of hollow post 5, and piston rod right-hand member and slide 7 fixed connection, the left end intercommunication of second pneumatic cylinder 13 is equipped with the second and advances oil pipe 14, and the second advances oil pipe 14 and slides with hollow post 5 and link 2 and cup joint.
The first oil inlet pipe 4 and the second oil inlet pipe 14 both adopt high-pressure hoses, so that the service strength and the service life of the first oil inlet pipe 4 and the second oil inlet pipe 14 are improved.
The positioning block 6 is arranged in a conical shape, so that the positioning work of the positioning plate 9 is not influenced when the pipe parts are positioned.
In the utility model, when a rod part is positioned and clamped, the part is fed into a chuck 1 to be clamped, then oil is fed through a first oil inlet pipe 4 to enable a first hydraulic cylinder 3 to work, so that the first hydraulic cylinder 3 pushes a hollow column 5, the hollow column 5 drives a positioning block 6 to be in contact with one end of the part to complete positioning, when the pipe part needs to be positioned, oil is fed through a second oil inlet pipe 14 to enable a second hydraulic cylinder 13 to be started, so that a sliding plate 7 drives a push rod 8 to push a positioning plate 9, the positioning plate 9 rotates around a fixed rod 11 and performs torsion spring on a torsion spring 12, the positioning plate 9 rotates to the vertical direction, then starting operation is repeated to enable the pipe part to be positioned in the chuck 1 and to be in contact with the pipe through two positioning plates 9 and positioned, and after the positioning is finished, the first hydraulic cylinder 3 and the second hydraulic cylinder 13 can be restored to initial positions, so that the positioning plate 9 is not pushed and rotates to the initial position under the torsion force recovery of the torsion spring 12, thereby improving the multifunctional positioning effect of the chuck 1.
Example 2
Referring to fig. 2 and 4-5, a hydraulic positioning device for hydraulic indexing chuck, including chuck 1, 2 first pneumatic cylinders 3 of fixedly connected with of link are passed through in the left side of chuck 1, the left end intercommunication of first pneumatic cylinder 3 is equipped with first oil pipe 4, the hollow post 5 of piston rod right-hand member fixedly connected with of first pneumatic cylinder 3, the right side fixedly connected with locating piece 6 of hollow post 5, carry out tight location in top fast to excellent class part through locating piece 6, the both sides of locating piece 6 all are equipped with plane positioning mechanism, the spout has all been seted up to the both sides of hollow post 5, the common contact of cell wall of two spouts is provided with slide 7, the equal fixedly connected with push rod 8 in slide 7's the right side both ends, be equipped with between the inside left side of hollow post 5 and the slide 7 and promote positioning mechanism.
Plane positioning mechanism includes the locating plate 9 that two symmetries set up, the right-hand member both sides of locating piece 6 are all fixed and are equipped with turning block 10, the other end of two turning blocks 10 is all fixed and is equipped with dead lever 11, locating plate 9 rotates with the pole wall of dead lever 11 and cup joints, the pole wall of dead lever 11 has cup jointed torsional spring 12, the both ends of torsional spring 12 respectively with dead lever 11 and locating plate 9 fixed connection, locating plate 9 sets up with the contact of push rod 8, can reply to initial position fast after locating plate 9 location work finishes through torsional spring 12.
Promote positioning mechanism and include motor 15 and lead screw 16, motor 15 and the internal surface left side fixed connection of hollow post 5, lead screw 16 and motor 15's output fixed connection, and the right-hand member passes through the bearing and rotates with the internal surface right side of hollow post 5 to be connected, and slide 7 cup joints with the pole wall screw thread of lead screw 16, and the left side intercommunication of motor 15 is equipped with output cable 17, and output cable 17 cup joints with hollow post 5 and link 2 slip.
The fixed rubber lag 18 that has cup jointed of lateral wall of output cable 17 protects output cable 17, receives the pulling when preventing to use and takes place the wearing and tearing of ectoderm.
The positioning block 6 is arranged in a conical shape, so that the positioning work of the positioning plate 9 is not influenced when the pipe parts are positioned.
In the utility model, when a rod part is positioned and clamped, the part is fed into a chuck 1 to be clamped, then oil is fed through a first oil inlet pipe 4 to enable a first hydraulic cylinder 3 to work, so that the first hydraulic cylinder 3 pushes a hollow column 5, the hollow column 5 drives a positioning block 6 to be in contact with one end of the part to complete positioning, when the pipe part needs to be positioned, a motor 15 is started to drive a lead screw 16 to rotate, a sliding plate 7 on the rod wall of the lead screw 16 moves horizontally under the limit of a sliding groove while the lead screw 16 rotates, so that the sliding plate 7 drives a push rod 8 to push a positioning plate 9, the positioning plate 9 rotates around a fixed rod 11 and performs torsion spring on a torsion spring 12, the positioning plate 9 rotates to the vertical direction, then starting operation is repeated to enable the pipe part to be positioned in the chuck 1 and to be in contact with the pipe through two positioning plates 9 and positioned, after the positioning is finished, the motor 15 can be rotated reversely and the first hydraulic cylinder 3 is restored to the initial position, so that the positioning plate 9 is not pushed and rotates to the initial position under the torsion restoring of the torsion spring 12, and the multifunctional positioning effect of the chuck 1 is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. A hydraulic positioning device for a hydraulic indexing chuck, comprising a chuck (1), characterized in that, the left side of the chuck (1) is fixedly connected with a first hydraulic cylinder (3) through a connecting frame (2), a first oil inlet pipe (4) is communicated with the left end of the first hydraulic cylinder (3), a hollow column (5) is fixedly connected with the right end of a piston rod of the first hydraulic cylinder (3), a positioning block (6) is fixedly connected to the right side of the hollow column (5), two sides of the positioning block (6) are respectively provided with a plane positioning mechanism, the two sides of the hollow column (5) are both provided with sliding chutes, the groove walls of the two sliding chutes are in contact with each other together to be provided with sliding plates (7), the equal fixedly connected with push rod (8) in right side both ends of slide (7), be equipped with between the inside left side of hollow post (5) and slide (7) and promote positioning mechanism.
2. The hydraulic positioning device for the hydraulic index chuck according to claim 1, wherein the plane positioning mechanism comprises two symmetrically arranged positioning plates (9), rotating blocks (10) are fixedly arranged on both sides of the right end of the positioning block (6), a fixing rod (11) is fixedly arranged on the other end of each of the two rotating blocks (10), the positioning plates (9) are rotatably sleeved with the rod walls of the fixing rods (11), torsion springs (12) are sleeved on the rod walls of the fixing rods (11), two ends of each torsion spring (12) are respectively fixedly connected with the fixing rods (11) and the positioning plates (9), and the positioning plates (9) are in contact arrangement with the push rods (8).
3. The hydraulic positioning device for the hydraulic index chuck according to claim 1, wherein the pushing and positioning mechanism comprises a second hydraulic cylinder (13), the second hydraulic cylinder (13) is fixedly connected with the left side of the inner surface of the hollow column (5), the right end of the piston rod is fixedly connected with the sliding plate (7), the left end of the second hydraulic cylinder (13) is communicated with a second oil inlet pipe (14), and the second oil inlet pipe (14) is slidably sleeved with the hollow column (5) and the connecting frame (2).
4. The hydraulic positioning device for the hydraulic index chuck according to claim 1, wherein the pushing and positioning mechanism comprises a motor (15) and a screw rod (16), the motor (15) is fixedly connected with the left side of the inner surface of the hollow column (5), the screw rod (16) is fixedly connected with the output end of the motor (15), the right end of the pushing and positioning mechanism is rotatably connected with the right side of the inner surface of the hollow column (5) through a bearing, the sliding plate (7) is in threaded sleeve connection with the rod wall of the screw rod (16), the left side of the motor (15) is communicated with an output cable (17), and the output cable (17) is in sliding sleeve connection with the hollow column (5) and the connecting frame (2).
5. The hydraulic positioning device for a hydraulic index chuck according to claim 1, wherein the first oil inlet pipe (4) and the second oil inlet pipe (14) are both high pressure hoses.
6. The hydraulic positioning device for a hydraulic index chuck according to claim 4, characterized in that the outer side wall of the output cable (17) is fixedly sleeved with a rubber boot (18).
7. A hydraulic positioning device for a hydraulic index chuck according to claim 1, characterized in that the positioning block (6) is provided with a conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121922198.0U CN215966385U (en) | 2021-08-17 | 2021-08-17 | Hydraulic positioning device for hydraulic indexing chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121922198.0U CN215966385U (en) | 2021-08-17 | 2021-08-17 | Hydraulic positioning device for hydraulic indexing chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215966385U true CN215966385U (en) | 2022-03-08 |
Family
ID=80580283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121922198.0U Expired - Fee Related CN215966385U (en) | 2021-08-17 | 2021-08-17 | Hydraulic positioning device for hydraulic indexing chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215966385U (en) |
-
2021
- 2021-08-17 CN CN202121922198.0U patent/CN215966385U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |