CN217452449U

CN217452449U - Gear clamping device with high stability

Info

Publication number: CN217452449U
Application number: CN202123457457.XU
Authority: CN
Inventors: 黄伟灵; 白洪华; 周洁; 孙姚杰; 汤建林
Original assignee: Zhejiang Zhenxing Axiang Group Co ltd
Current assignee: Zhejiang Zhenxing Axiang Group Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-09-20
Anticipated expiration: 2031-12-22

Abstract

A high-stability gear clamping device comprises a main shaft, a main shaft bearing, a mounting seat, a taper sleeve, a cavity, a first through hole, a second through hole, a positioning mechanism, a movable clamping mechanism and a push-pull mechanism, wherein the main shaft bearing is arranged on the main shaft in a sleeved mode, the mounting seat is arranged at one end of the main shaft, the taper sleeve is arranged at one end, far away from one end of the main shaft, of the mounting seat, the cavity is arranged in the mounting seat, the first through hole and the second through hole are formed in two ends of the mounting seat and communicated with the cavity, the positioning mechanism is matched with the taper sleeve to clamp and fix a workpiece, the movable clamping mechanism is arranged in the cavity and used for pushing and pulling the positioning mechanism, the push-pull mechanism is used for pushing the movable clamping mechanism to move in the cavity, and a shape variable cavity is formed between the taper sleeve and the mounting seat. The utility model discloses a positioning mechanism and removal fixture's cooperation press from both sides the work piece tight fixedly, replaced the tradition compress tightly fixedly through the main shaft to the work piece to avoid the main shaft bearing atress, improve the stability to the work piece centre gripping.

Description

Gear clamping device with high stability

Technical Field

The utility model relates to a gear production facility technical field, especially a gear clamping device that stability is high.

Background

The existing gear clamping device directly compresses and fixes a workpiece through a main shaft, and the main shaft bearing is stressed greatly in a fixing mode, so that the bearing is easily damaged after long-time work, and the stability of clamping the workpiece is influenced.

Disclosure of Invention

The utility model aims at providing a gear clamping device that stability is high to solve the problem that proposes in the background art.

The technical solution of the utility model is that: a gear clamping device with high stability comprises a main shaft, a main shaft bearing arranged on the main shaft in a sleeved mode, a mounting seat arranged at one end of the main shaft, a taper sleeve arranged at one end, far away from the main shaft, of the mounting seat, a cavity arranged in the mounting seat, a first through hole and a second through hole which are arranged at two ends of the mounting seat and communicated with the cavity, a positioning mechanism matched with the taper sleeve to clamp and fix a workpiece, a movable clamping mechanism arranged in the cavity and used for pushing and pulling the positioning mechanism, and a push-pull mechanism used for pushing the movable clamping mechanism to move in the cavity, wherein a deformation cavity is formed between the taper sleeve and the mounting seat.

Preferably, the movable clamping mechanism comprises a transverse moving block which is in sliding connection with the inner wall of the cavity, a cylinder body which is arranged at one end, close to the first through hole, of the transverse moving block, clamping blocks which are arranged at the end part of the cylinder body in an annular array mode, a first guide inclined plane and a first blocking inclined plane which are respectively arranged on the clamping blocks, and a positioning part which is used for positioning the cylinder body.

Preferably, the positioning part comprises a groove formed in the outer wall of the cylinder body and an adjusting bolt penetrating through the mounting seat and extending into the groove.

Preferably, the mounting seat is provided with a second guide inclined surface at the first through hole, and the clamping block downwards enters the deformation cavity in a sliding fit mode of the first guide inclined surface and the second guide inclined surface.

Preferably, the positioning mechanism comprises a main rod body, a pressing block arranged at one end, located outside the mounting seat, of the main rod body, a clamping block arranged at one end, far away from the pressing block, of the main rod body, a second blocking inclined surface arranged on the clamping block and matched with the first blocking inclined surface, and a propping inclined surface arranged at one end, far away from the second blocking inclined surface, of the clamping block.

Preferably, the number of the spreading inclined planes is even and the spreading inclined planes are distributed on the clamping block in an annular array, and two opposite spreading inclined planes form an included angle a, wherein 60 degrees < a <80 degrees.

Preferably, the number of the second blocking inclined planes is even and the second blocking inclined planes are distributed on the clamping block in an annular array, and two opposite second blocking inclined planes form an included angle b, wherein 30 degrees < b <50 degrees.

Preferably, the push-pull mechanism comprises a telescopic cavity arranged in the main shaft, a pull rod arranged in the telescopic cavity and used for pushing the traverse block, a threaded section arranged at the end part of the pull rod, and a threaded groove arranged on the traverse block and in threaded fit with the threaded section.

Preferably, the taper sleeve and the mounting seat are fixedly connected through a first fixing bolt.

Preferably, the main shaft and the mounting seat are fixedly connected through a second fixing bolt.

The utility model has the advantages that:

compared with the prior art, the utility model discloses a positioning mechanism and removal fixture's cooperation press from both sides the work piece tight fixedly, replaced traditional compressing tightly fixedly through the main shaft to the work piece to avoid the main shaft bearing atress, improve the stability to the work piece centre gripping.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

Detailed Description

The present invention will be further described with reference to the following embodiments in conjunction with the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

In the embodiment, as shown in fig. 1-2, a gear clamping device with high stability comprises a main shaft 1, a main shaft bearing 2 sleeved on the main shaft 1, a mounting seat 4 disposed at one end of the main shaft 1, a taper sleeve 3 disposed at one end of the mounting seat 4 away from the main shaft 1, a cavity 401 disposed in the mounting seat 4, a first through hole 402 and a second through hole 403 respectively disposed at two ends of the mounting seat 4 and communicated with the cavity 401, a positioning mechanism 5 cooperating with the taper sleeve 3 to clamp and fix a workpiece 8, a movable clamping mechanism 6 disposed in the cavity 401 for pushing and pulling the positioning mechanism 5, and a push-pull mechanism 7 for pushing the movable clamping mechanism 6 to move in the cavity 401, wherein a shape-variable cavity 10 is formed between the taper sleeve 3 and the mounting seat 4, the utility model clamps and fixes the workpiece through cooperation of the positioning mechanism 5 and the movable clamping mechanism 6, the workpiece is pressed and fixed through the main shaft instead of the traditional method, so that the stress of a main shaft bearing is avoided, and the stability of clamping the workpiece is improved.

Further, the movable clamping mechanism 6 includes a traverse block 601 slidably connected to the inner wall of the cavity 401, a cylinder 602 disposed at an end of the traverse block 601 close to the first through hole 402, a plurality of locking blocks 603 disposed at an end of the cylinder 602 in an annular array, a first guiding inclined plane 605 and a first blocking inclined plane 606 respectively disposed on the locking blocks 603, and a positioning portion 604 for positioning the cylinder 602, preferably, the first guiding inclined plane 605 in this embodiment extends from the outer wall of the cylinder 602 to the inner wall of the cavity 401, and the first blocking inclined plane 606 extends from the inner wall of the cylinder 602 to the direction of the positioning mechanism 5.

Further, location portion 604 is including establishing the recess 6041 of barrel 602 outer wall, running through mount pad 4 just stretches into adjusting bolt 6042 in the recess 6041, adjusting bolt 6042 and mount pad 4 spiro union, through rotatory adjusting bolt 6042, make adjusting bolt 6042 stretch into in the recess 6041, and then realize the location to barrel 602, avoid barrel 602 internal rotation in cavity 401.

Further, a second guiding inclined surface 404 is provided at the first through hole 402 of the mounting seat 4, and the positioning block 603 enters the deformation chamber 10 downward in the sliding fit of the first guiding inclined surface 605 and the second guiding inclined surface 404.

Further, the positioning mechanism 5 includes a main rod body 501, a pressing block 502 disposed at one end of the main rod body 501 outside the mounting seat 4 and used for pressing the workpiece 8 onto the taper sleeve 3, a clamping block 503 disposed at one end of the main rod body 501 far from the pressing block 502 and in clamping fit with the clamping block 603, a second blocking inclined plane 504 disposed on the clamping block 503 and in clamping fit with the first blocking inclined plane 606, and a spreading inclined plane 505 disposed at one end of the clamping block 503 far from the second blocking inclined plane 504, wherein the main rod body 501 enters the cavity 401 through the taper sleeve 3 and the first through hole 402, after the spreading inclined plane 505 contacts the clamping block 603, the clamping blocks 603 are mutually separated in the deformation cavity 10, so that the clamping block 503 enters between the clamping blocks 603, after the second blocking inclined plane 504 contacts the first blocking inclined plane 606, the clamping block 603 enters the cavity 401 from the deformation cavity 10 under the driving of the cylinder 602, the second blocking inclined surface 504 and the first blocking inclined surface 606 are tightly attached, after the transverse moving block 601 moves, the clamping block 603 is dragged by the cylinder 602, the clamping block 503 further moves into the cavity 401, the pressing block 502 is further tightly attached to the workpiece 8, the workpiece 8 is pressed on the taper sleeve 3, the workpiece 8 is fixed, and stability is good.

Further, the number of the expanding inclined surfaces 505 is even, the expanding inclined surfaces 505 are distributed on the clamping block 503 in an annular array, two opposite expanding inclined surfaces 505 form an included angle a, wherein the included angle a is 60 degrees < a <80 degrees, and preferably, the expanding inclined surfaces 505 and the clamping blocks 603 correspond to each other one by one.

Further, the number of the second blocking inclined planes 504 is even, the second blocking inclined planes 504 are distributed on the clamping block 503 in an annular array, and two opposite second blocking inclined planes 504 form an included angle b, wherein 30 degrees < b <50 degrees, and preferably, the second blocking inclined planes 504 correspond to the clamping blocks 603 one by one.

Further, the push-pull mechanism 7 includes a telescopic cavity 701 disposed in the main shaft 1, a pull rod 702 disposed in the telescopic cavity 701 and used for pushing the traverse block 601, a threaded section 703 disposed at an end of the pull rod 702, and a threaded groove 704 disposed on the traverse block 601 and in threaded engagement with the threaded section 703, where the pull rod 702 in this embodiment may be driven by an oil cylinder, and the pull rod 702 moves in the telescopic cavity 701 to push the traverse block 601 to move in the cavity 401.

Further, the taper sleeve 3 and the mounting base 4 are fixedly connected through first fixing bolts 11, and the number of the first fixing bolts 11 is at least two.

Further, the main shaft 1 and the mounting base 4 are fixedly connected through second fixing bolts 12, and the number of the second fixing bolts 12 is at least two.

Claims

1. The utility model provides a gear clamping device that stability is high, includes main shaft (1), the cover is established main shaft bearing (2) on main shaft (1), its characterized in that: the clamping device comprises a main shaft (1), a mounting seat (4) arranged at one end of the main shaft (1), a taper sleeve (3) arranged at one end, far away from the main shaft (1), of the mounting seat (4), a cavity (401) arranged in the mounting seat (4), a first through hole (402) and a second through hole (403) which are respectively arranged at two ends of the mounting seat (4) and communicated with the cavity (401), a positioning mechanism (5) matched with the taper sleeve (3) to clamp and fix a workpiece (8), a movable clamping mechanism (6) arranged in the cavity (401) and used for pushing and pulling the positioning mechanism (5), and a push-pull mechanism (7) used for pushing the movable clamping mechanism (6) to move in the cavity (401), wherein a shape changing cavity (10) is formed between the taper sleeve (3) and the mounting seat (4).

2. A high stability gear clamping device according to claim 1, wherein: the movable clamping mechanism (6) comprises a transverse moving block (601) connected with the inner wall of the cavity (401) in a sliding mode, a cylinder body (602) arranged at one end, close to the first through hole (402), of the transverse moving block (601), clamping blocks (603) arranged at the end portion of the cylinder body (602) in an annular array mode, a first guide inclined surface (605) and a first blocking inclined surface (606) which are respectively arranged on the clamping blocks (603), and a positioning portion (604) used for positioning the cylinder body (602).

3. The high stability gear clamping device of claim 2, wherein: the positioning part (604) comprises a groove (6041) formed in the outer wall of the cylinder body (602) and an adjusting bolt (6042) penetrating through the mounting seat (4) and extending into the groove (6041).

4. A high stability gear clamping device according to claim 2, wherein: the mounting seat (4) is provided with a second guide inclined surface (404) at the position of the first through hole (402), and the clamping block (603) downwards enters the deformation cavity (10) in a sliding fit mode of the first guide inclined surface (605) and the second guide inclined surface (404).

5. A high stability gear clamping device according to claim 2, wherein: positioning mechanism (5) include the body of rod (501), establish the body of rod (501) is located compact heap (502), the establishment of mount pad (4) outside one end are in the body of rod (501) is kept away from the grip block (503) of compact heap (502) one end are established on grip block (503) and with first block inclined plane (606) complex second and block inclined plane (504), establish grip block (503) are kept away from the second blocks inclined plane (505) of strutting of inclined plane (504) one end.

6. A high stability gear clamping device according to claim 5, wherein: the number of the spreading inclined planes (505) is even and the spreading inclined planes are distributed on the clamping block (503) in an annular array, and two opposite spreading inclined planes (505) form an included angle a, wherein the included angle a is more than 60 degrees and less than 80 degrees.

7. A high stability gear clamping device according to claim 5, wherein: the number of the second blocking slopes (504) is even and the second blocking slopes (504) are distributed on the clamping block (503) in an annular array, and two opposite second blocking slopes (504) form an included angle b, wherein 30 degrees < b <50 degrees.

8. A high stability gear clamping device according to claim 2, wherein: the push-pull mechanism (7) comprises a telescopic cavity (701) arranged in the main shaft (1), a pull rod (702) arranged in the telescopic cavity (701) and used for pushing the traverse block (601), a thread section (703) arranged at the end part of the pull rod (702), and a thread groove (704) arranged on the traverse block (601) and in thread fit with the thread section (703).

9. A high stability gear clamping device according to claim 1, wherein: the taper sleeve (3) and the mounting seat (4) are fixedly connected through a first fixing bolt (11).

10. A high stability gear clamping device according to claim 1, wherein: the main shaft (1) and the mounting seat (4) are fixedly connected through a second fixing bolt (12).