CN216297982U - Single-claw long-stroke power chuck - Google Patents
Single-claw long-stroke power chuck Download PDFInfo
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- CN216297982U CN216297982U CN202122746199.0U CN202122746199U CN216297982U CN 216297982 U CN216297982 U CN 216297982U CN 202122746199 U CN202122746199 U CN 202122746199U CN 216297982 U CN216297982 U CN 216297982U
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Abstract
The utility model relates to the technical field of power chucks, and discloses a single-jaw long-stroke power chuck which comprises a lower chuck body, wherein an upper chuck body is arranged on the lower chuck body, a clamp groove is formed in the upper chuck body, an installation base is arranged in the clamp groove in a sliding manner, and a fixed jaw is arranged on the installation base; the mounting base is provided with a mounting mechanism, the mounting base and the fixed jaw in the single-jaw long-stroke power chuck are mounted and dismounted through the mounting mechanism, the fixed jaw can be conveniently replaced according to the type of a required clamp, when the fixed jaw is replaced or mounted, the screw rod is firstly screwed into the thread groove, then the screw rod is pulled outwards to enable the second clamping block to slide outwards, the first clamping block is inserted into the first clamping groove to adjust the position, then the screw rod is loosened to enable the second clamping block to slide inwards to be inserted into the second clamping groove and the third clamping groove, and then the screw rod is screwed out, so that the mounting or replacement of the fixed jaw can be completed.
Description
Technical Field
The utility model relates to the technical field of power chucks, in particular to a single-jaw long-stroke power chuck.
Background
A power chuck is a mechanical device used to clamp a workpiece on a machine tool. The machine tool accessory clamps and positions a workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a power chuck body. The power chuck generally comprises a power chuck body, a movable jaw and a jaw driving mechanism 3. The diameter of the power chuck body is 65 mm at least and can reach 1500 mm at most, and a through hole is formed in the center of the power chuck body so as to facilitate the workpiece or bar stock to pass through; the back part is provided with a cylindrical or short conical structure and is connected with the end part of a main shaft of the machine tool directly or through a flange plate. The power chuck is generally installed on a lathe, a cylindrical grinding machine and an internal grinding machine for use, and can also be matched with various indexing devices for use on a milling machine and a drilling machine. The power chuck may be classified into a single-jaw type, a double-jaw type, a triple-jaw type, a quadruple-jaw type, etc. according to the number of jaws, and a short stroke type, a medium stroke type, a long stroke type, etc. according to the stroke of jaws.
In the market, single-jaw long-stroke power chucks suitable for clamping fixtures are rare, fixing jaws of the existing single-jaw long-stroke power chucks are inconvenient to replace, fixing jaws of different models cannot be freely switched according to the types of the fixtures, and inconvenience in production is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a single-jaw long-stroke power chuck, which has the beneficial effects of single-side fixed jaw design and ultra-long jaw stroke, and can conveniently replace fixed jaws, and solves the problems that the fixed jaws of the single-jaw long-stroke power chuck in the background technology are inconvenient to replace, and different types of fixed jaws cannot be freely switched according to the types of clamps, so that the production is inconvenient.
The utility model provides the following technical scheme: a single-jaw long-stroke power chuck comprises a lower chuck body, wherein an upper chuck body is arranged on the lower chuck body, a clamp groove is formed in the upper chuck body, a mounting base is arranged in the clamp groove in a sliding mode, and a fixing jaw is arranged on the mounting base;
the mounting mechanism is arranged on the mounting base, the mounting base is connected with the fixed jaw through the mounting mechanism, the mounting mechanism comprises a first clamping groove formed in the mounting base, a first clamping block is arranged on the fixed jaw, the first clamping block is arranged in the first clamping groove in a sliding mode, a second clamping groove is formed in the first clamping block, a first sliding groove is formed in the first clamping groove, a second clamping block is arranged in the first sliding groove in a sliding mode, and the second clamping block is arranged in the second clamping groove in a sliding mode;
the upper chuck body is also internally provided with a driving mechanism, and the mounting base is connected with the upper chuck body through the driving mechanism.
As an alternative to the single-jaw long-stroke power chuck of the present invention, wherein: and a spring is arranged on the second clamping block, and the second clamping block is elastically connected with the first sliding groove through the spring.
As an alternative to the single-jaw long-stroke power chuck of the present invention, wherein: the second fixture block is provided with a thread groove, and a screw rod is arranged in the thread groove in a sliding mode.
As an alternative to the single-jaw long-stroke power chuck of the present invention, wherein: two second chutes are symmetrically formed in the mounting base, two sliding blocks are symmetrically arranged on the fixed claw, and the two sliding blocks are respectively arranged in the two second chutes in a sliding mode.
As an alternative to the single-jaw long-stroke power chuck of the present invention, wherein: and a third clamping groove is further formed in the first clamping groove, and the second clamping block is slidably arranged in the third clamping groove.
As an alternative to the single-jaw long-stroke power chuck of the present invention, wherein: the driving mechanism comprises a large conical gear which is rotatably arranged in the upper chuck body, a spiral groove is formed in the large conical gear, and the mounting base is slidably arranged in the spiral groove.
As an alternative to the single-jaw long-stroke power chuck of the present invention, wherein: go up the chuck body and go up the rotation and be provided with a plurality of little conical gear, and be a plurality of little conical gear all with big conical gear meshes.
The utility model has the following beneficial effects:
1. the single-claw long-stroke power chuck is characterized in that the mounting base and the fixed claws are driven by the arranged driving mechanism to slide inwards along the clamp groove, thereby the clamping fixture plays the role of a chuck, the installation base and the fixed claws are installed and disassembled through the installation mechanism, the fixed claws can be conveniently replaced according to the type of the required fixture, when the fixing claw is replaced or installed, the screw rod is firstly screwed into the thread groove, then the screw rod is pulled outwards to enable the second clamping block to slide outwards along the first sliding groove, then the first clamping block is inserted after aligning with the first clamping groove, and then the fixed claw is rotated to adjust the position, so that the second clamping groove is aligned with the second clamping block, then the screw rod is loosened to ensure that the second clamping block slides inwards along the first sliding groove to be connected into the second clamping groove and the third clamping groove, then the screw rod is screwed out, thereby fix first fixture block in first draw-in groove, and then fix the stationary dog and accomplish the installation on the installation base.
2. This long stroke power chuck of single-jaw carries out elastic connection through the spring between second fixture block and the first spout to make loosen behind the second fixture block, need not to inwards promote the second fixture block, the second fixture block will be in the automatic ejection card inserts the second draw-in groove under the rebound effect of spring, and the spring also can strengthen the fixed effort to the stationary dog simultaneously.
3. This long stroke power chuck of single-jaw, for strengthening fixed and make things convenient for the stationary dog to aim at when inserting to the stationary dog, still be provided with two sliders and two second spouts of symmetry on installation base and stationary dog, slider and first fixture block all are the L shape of arcuation, when inserting the stationary dog, at first aim at two second spouts respectively with two sliders, then when rotatory stationary dog again, the bending part of two sliders will rotate the bending part that the card inserted two first fixture blocks, thereby also can play certain fixed action to the stationary dog.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the explosive structure of the present invention.
Fig. 3 is a schematic view of a partial explosion structure of the present invention.
Fig. 4 is a schematic view of the internal structure of the present invention.
Fig. 5 is a partial enlarged view of a portion a in fig. 4.
In the figure: 1. a lower chuck body; 101. an upper chuck body; 102. a clamp groove; 2. installing a base; 201. a fixed jaw; 3. an installation mechanism; 301. a first clamping block; 302. a first card slot; 303. a second card slot; 304. a first chute; 305. a second fixture block; 306. a spring; 307. a thread groove; 308. a screw; 309. a slider; 310. a second chute; 311. a third card slot; 4. a drive mechanism; 401. a large bevel gear; 402. a helical groove; 403. a small bevel gear.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, a single-jaw long-stroke power chuck includes a lower chuck body 1, an upper chuck body 101 is disposed on the lower chuck body 1, a clamp groove 102 is disposed on the upper chuck body 101, a mounting base 2 is slidably disposed in the clamp groove 102, and a fixing jaw 201 is disposed on the mounting base 2;
the mounting mechanism 3 is arranged on the mounting base 2, the mounting base 2 is connected with the fixed jaw 201 through the mounting mechanism 3, the mounting mechanism 3 comprises a first clamping groove 302 formed in the mounting base 2, a first clamping block 301 is arranged on the fixed jaw 201, the first clamping block 301 is arranged in the first clamping groove 302 in a sliding mode, a second clamping groove 303 is formed in the first clamping block 301, a first sliding groove 304 is formed in the first clamping groove 302, a second clamping block 305 is arranged in the first sliding groove 304 in a sliding mode, and the second clamping block 305 is arranged in the second clamping groove 303 in a sliding mode;
a driving mechanism 4 is further arranged in the upper chuck body 101, and the mounting base 2 is connected with the upper chuck body 101 through the driving mechanism 4.
In this embodiment: the lower chuck body 1 and the upper chuck body 101 form a shell of the power chuck, the lower chuck body and the upper chuck body 101 are fixed through threads, the mounting base 2 and the fixed claws 201 are driven by the arranged driving mechanism 4 to slide inwards along the clamp grooves 102, so that the clamping clamp plays a role of a chuck, or the clamping clamp slides outwards to loosen the clamp, and the mounting base 2 and the fixed claws 201 are mounted through the mounting mechanism 3;
during installation, firstly, the second fixture block 305 is pulled to slide outwards along the first sliding groove 304 to exit from the first clamping groove 302, then the first fixture block 301 is aligned with the first clamping groove 302 and then falls down, the fixing claw 201 is rotated to adjust the position, so that the second clamping groove 303 is aligned with the second fixture block 305, then the second fixture block 305 is pushed to slide inwards along the first sliding groove 304 and be connected into the second clamping groove 303, so that the first fixture block 301 is fixed in the first clamping groove 302, the fixing claw 201 is fixed on the installation base 2 to complete installation, meanwhile, after the fixing claw 201 falls down on the installation base 2, the contact surfaces of the installation base 2 and the fixing claw 201 are respectively convex and inverted convex, so that the fixation of the first fixture block and the fixing claw is firmer, during replacement, only the second fixture block 305 needs to be pulled outwards to pull out the second fixture block 305 from the second clamping groove 303, and then the fixing claw 201 is pulled out.
Example 2
Referring to fig. 1 to 5, a spring 306 is disposed on the second latch 305, and the second latch 305 is elastically connected to the first sliding groove 304 through the spring 306.
In this embodiment: the surface cover of second fixture block 305 is equipped with spring 306, the one end of spring 306 is fixed on second fixture block 305, the other end is fixed at the inner wall of first spout 304, thereby make elastic connection between second fixture block 305 and first spout 304, when outwards pulling second fixture block 305, spring 306 can be compressed, after loosening second fixture block 305, need not to inwards push second fixture block 305, second fixture block 305 will be in the automatic card access second draw-in groove 303 that pops out under spring 306's rebound effect, spring 306 also can strengthen the fixed effort to stationary dog 201 simultaneously.
Example 3
Referring to fig. 1-5, the second block 305 has a threaded groove 307, and a screw 308 is slidably disposed in the threaded groove 307.
In this embodiment: in order to prevent the second latch 305 from being exposed outside the mounting base 2 and being touched by mistake during the operation of the power chuck, when the length of the second latch 305 is set to be that the spring 306 is in a loose state, the end of the second latch 305 is located in the first sliding groove 304, and when the mounting operation is performed, the screw 308 needs to be screwed into the threaded groove 307, and then the screw 308 is pulled outside the mounting base 2 to pull out the second latch 305.
Example 4
Referring to fig. 1-5, two second sliding grooves 310 are symmetrically formed on the mounting base 2, two sliding blocks 309 are symmetrically formed on the fixed claw 201, and the two sliding blocks 309 are slidably disposed in the two second sliding grooves 310 respectively.
In this embodiment: in order to strengthen the fixation of the fixed claw 201 and facilitate the alignment of the fixed claw 201 during the insertion, two symmetrical sliding blocks 309 and two second sliding grooves 310 are further arranged on the mounting base 2 and the fixed claw 201, the sliding blocks 309 and the first fixture blocks 301 are both arc-shaped and L-shaped, when the fixed claw 201 is inserted, firstly, the two sliding blocks 309 are respectively aligned to the two second sliding grooves 310, and then when the fixed claw 201 is rotated, the bent parts of the two sliding blocks 309 can be rotated to be clamped into the bent parts of the two first fixture blocks 301, so that a certain fixing effect can be achieved on the fixed claw 201.
Example 5
Referring to fig. 1-5, a third engaging groove 311 is further disposed in the first engaging groove 302, and the second engaging block 305 is slidably disposed in the third engaging groove 311.
In this embodiment: the other side of the first latch 301 is further provided with a third slot 311, and the second latch 305 extends leftward to be inserted into the third slot 311 after being inserted into the second slot 303, so that the fixing force on the first latch 301 can be further enhanced, and the fixing of the fixing claw 201 can be further enhanced.
Example 6
Referring to fig. 1-5, the driving mechanism 4 includes a large bevel gear 401 rotatably disposed in the upper chuck body 101, a spiral groove 402 is formed on the large bevel gear 401, and the mounting base 2 is slidably disposed in the spiral groove 402.
In this embodiment: the bottom of the mounting base 2 is in a stripe shape and clamped in the spiral groove 402, after the power chuck is mounted on a lathe, the large bevel gear 401 is driven to rotate by external power, and the mounting base 2 and the fixing claw 201 can be driven to slide inwards or outwards to clamp or loosen the clamp.
A plurality of small bevel gears 403 are rotatably arranged on the upper chuck body 101, and the plurality of small bevel gears 403 are all meshed with the large bevel gear 401.
In this embodiment: when the large bevel gear 401 rotates, the three small bevel gears 403 which are uniformly distributed also rotate together, which can play a role in making the rotation of the large bevel gear 401 more stable.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a single-jaw long stroke power chuck, includes lower chuck body (1), its characterized in that: an upper chuck body (101) is arranged on the lower chuck body (1), a clamp groove (102) is formed in the upper chuck body (101), a mounting base (2) is arranged in the clamp groove (102) in a sliding mode, and a fixing claw (201) is arranged on the mounting base (2);
the mounting mechanism is characterized in that a mounting mechanism (3) is arranged on the mounting base (2), the mounting base (2) is connected with the fixed claw (201) through the mounting mechanism (3), the mounting mechanism (3) comprises a first clamping groove (302) formed in the mounting base (2), a first clamping block (301) is arranged on the fixed claw (201), the first clamping block (301) is arranged in the first clamping groove (302) in a sliding manner, a second clamping groove (303) is formed in the first clamping block (301), a first sliding groove (304) is formed in the first clamping groove (302), a second clamping block (305) is arranged in the first sliding groove (304) in a sliding manner, and the second clamping block (305) is arranged in the second clamping groove (303) in a sliding manner;
go up chuck body (101) and still be provided with actuating mechanism (4) in, installation base (2) pass through actuating mechanism (4) with go up chuck body (101) and be connected.
2. The single-jaw long stroke power chuck of claim 1, wherein: the second clamping block (305) is provided with a spring (306), and the second clamping block (305) is elastically connected with the first sliding groove (304) through the spring (306).
3. The single-jaw long stroke power chuck of claim 2, wherein: the second fixture block (305) is provided with a thread groove (307), and a screw (308) is arranged in the thread groove (307) in a sliding manner.
4. The single-jaw long stroke power chuck of claim 3, wherein: two second sliding grooves (310) are symmetrically formed in the mounting base (2), two sliding blocks (309) are symmetrically arranged on the fixed claw (201), and the two sliding blocks (309) are respectively arranged in the two second sliding grooves (310) in a sliding mode.
5. The single-jaw long stroke power chuck of claim 4, wherein: a third clamping groove (311) is further formed in the first clamping groove (302), and the second clamping block (305) is slidably arranged in the third clamping groove (311).
6. The single-jaw long stroke power chuck of claim 5, wherein: the driving mechanism (4) comprises a large bevel gear (401) which is rotatably arranged in the upper chuck body (101), a spiral groove (402) is formed in the large bevel gear (401), and the mounting base (2) is slidably arranged in the spiral groove (402).
7. The single-jaw long stroke power chuck of claim 6, wherein: a plurality of small bevel gears (403) are rotatably arranged on the upper chuck body (101), and the small bevel gears (403) are meshed with the large bevel gear (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122746199.0U CN216297982U (en) | 2021-11-11 | 2021-11-11 | Single-claw long-stroke power chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122746199.0U CN216297982U (en) | 2021-11-11 | 2021-11-11 | Single-claw long-stroke power chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216297982U true CN216297982U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122746199.0U Active CN216297982U (en) | 2021-11-11 | 2021-11-11 | Single-claw long-stroke power chuck |
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| Country | Link |
|---|---|
| CN (1) | CN216297982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117260140A (en) * | 2023-11-21 | 2023-12-22 | 合肥万向钱潮汽车零部件有限公司 | Transmission shaft friction welding quick-change chuck |
-
2021
- 2021-11-11 CN CN202122746199.0U patent/CN216297982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117260140A (en) * | 2023-11-21 | 2023-12-22 | 合肥万向钱潮汽车零部件有限公司 | Transmission shaft friction welding quick-change chuck |
| CN117260140B (en) * | 2023-11-21 | 2024-02-02 | 合肥万向钱潮汽车零部件有限公司 | Transmission shaft friction welding quick-change chuck |
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