CN218800591U

CN218800591U - Clamping device is used in eccentric shaft processing

Info

Publication number: CN218800591U
Application number: CN202223106485.1U
Authority: CN
Inventors: 李拥军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-15
Filing date: 2022-11-23
Publication date: 2023-04-07
Anticipated expiration: 2032-11-23

Abstract

The utility model belongs to the technical field of anchor clamps, especially, clamping device is used in eccentric shaft processing, including the operation panel, the standing groove has been seted up to the upper surface of operation panel, and the stroke groove that is the symmetric distribution is seted up to the upper surface of operation panel, and one side fixed surface of operation panel installs servo motor, and servo motor's output shaft has two-way lead screw through shaft coupling fixed mounting, and the one end of two-way lead screw runs through and extends to the opposite side surface of operation panel. This clamping device is used in eccentric shaft processing is provided with locking means through the one end surface that sets up two-way lead screw, and locking means includes the ratchet, and the inner wall of ratchet cup joints with the one end external fixation of two-way lead screw, has reached the locking to two-way lead screw, appears becoming flexible when avoiding the centre gripping to improve production quality's effect.

Description

Clamping device is used in eccentric shaft processing

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a clamping device is used in eccentric shaft processing.

Background

The eccentric shaft part is one of the common typical parts, and can be generally divided into an optical axis eccentric part, a stepped shaft eccentric part, a special-shaped eccentric shaft and the like according to different structural forms of the shaft parts, or a solid eccentric shaft, a hollow eccentric shaft and the like, which are also used for supporting transmission parts such as gears, belt wheels and the like in a machine to transmit torque or motion, the eccentric shaft is a power part for realizing eccentric motion, in mechanical transmission, rotary motion is changed into reciprocating linear motion or reciprocating linear motion into rotary motion, and the surface of the eccentric shaft needs to be provided with a mounting groove, a rotary hole and the like.

Most of clamps used by the existing eccentric shaft during slotting are of screw rod structures, the two ends of the clamp are abutted against the eccentric wheel to clamp through rotation of the screw rod, and the eccentric wheel can generate large vibration when being slotted again, so that one end of the screw rod is easy to be affected by vibration to cause reverse rotation to be loose, the clamped eccentric wheel is loose, machining errors are increased, and even the eccentric wheel is scrapped.

SUMMERY OF THE UTILITY MODEL

Based on current anchor clamps when to the eccentric wheel centre gripping, the eccentric wheel that easily receives the vibrations influence to lead to the centre gripping is not hard up to cause the machining error increase, condemned technical problem even, the utility model provides a clamping device is used in eccentric shaft processing.

The utility model provides a clamping device for eccentric shaft processing, including the operation panel, the upper surface of operation panel has seted up the standing groove, the upper surface of operation panel has seted up the stroke groove that is the symmetric distribution, one side surface fixed mounting of operation panel has servo motor, servo motor's output shaft has two-way lead screw through shaft coupling fixed mounting, one end of two-way lead screw runs through and extends to the opposite side surface of operation panel;

the outer surface of one end of the bidirectional screw rod is provided with a locking device, the locking device comprises a ratchet wheel, and the inner wall of the ratchet wheel is fixedly sleeved with the outer surface of one end of the bidirectional screw rod.

Preferably, a fixing rod is fixedly connected to the other side surface of the operating table, and a pawl is mounted on the outer surface of the fixing rod through a bearing.

Preferably, one end of the pawl is rotationally clamped with the tooth surface of the ratchet wheel, thread blocks which are symmetrically distributed are sleeved on the outer surface of the bidirectional screw rod in a threaded manner, and the upper surface of each thread block is fixedly connected with an adjusting block.

Preferably, one end of the adjusting block penetrates through the stroke groove and extends to the upper surface of the operating platform, positioning holes distributed in a linear array mode are formed in the surface of one side of the adjusting block, and a positioning sleeve is movably sleeved on the outer surface of the adjusting block.

Preferably, an arc-shaped clamping block is fixedly connected to the surface of one side of the positioning sleeve, guide holes which are symmetrically distributed are formed in the surface of the other side of the positioning sleeve, positioning rods are movably sleeved on the inner walls of the guide holes, and one ends of the positioning rods are movably inserted into the inner walls of the two positioning holes.

Preferably, the other end of the positioning rod is fixedly connected with a pulling block, an extension spring is movably sleeved on the outer surface of the positioning rod, one end of the extension spring is fixedly connected with the other side surface of the positioning sleeve, and the other end of the extension spring is fixedly connected with one side surface of the pulling block.

The utility model provides a beneficial effect does:

the locking device is arranged on the outer surface of one end of the bidirectional screw rod and comprises a ratchet wheel, the inner wall of the ratchet wheel is fixedly sleeved with the outer surface of one end of the bidirectional screw rod, and a pawl is matched to lock the bidirectional screw rod, so that the bidirectional screw rod is difficult to rotate, looseness is avoided during clamping, and the production quality is improved.

Drawings

FIG. 1 is a schematic view of a clamping device for eccentric shaft machining;

FIG. 2 is a perspective view of an operating platform of the clamping device for machining an eccentric shaft;

fig. 3 is a perspective view of a positioning sleeve structure of a clamping device for processing an eccentric shaft.

In the figure: 1. an operation table; 2. a placement groove; 3. a stroke slot; 4. a servo motor; 5. a bidirectional screw rod; 6. a ratchet wheel; 61. a pawl; 62. a thread block; 63. an adjusting block; 64. positioning holes; 65. a positioning sleeve; 66. an arc-shaped clamping block; 67. positioning a rod; 68. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-3, the clamping device for processing the eccentric shaft comprises an operating table 1, wherein a placing groove 2 is formed in the upper surface of the operating table 1, symmetrically distributed stroke grooves 3 are formed in the upper surface of the operating table 1, a servo motor 4 is fixedly mounted on the surface of one side of the operating table 1, a bidirectional screw rod 5 is fixedly mounted on an output shaft of the servo motor 4 through a coupler, and one end of the bidirectional screw rod 5 penetrates through and extends to the surface of the other side of the operating table 1;

the outer surface of one end of the bidirectional screw rod 5 is provided with a locking device, the locking device comprises a ratchet 6, and the inner wall of the ratchet 6 is fixedly sleeved with the outer surface of one end of the bidirectional screw rod 5.

Further, in order to realize preliminary location, the opposite side fixed surface of operation panel 1 is connected with the dead lever, and pawl 61 is installed through the bearing to the surface of dead lever, and the interior diapire of standing groove 2 is provided with the magnetite to be convenient for fix the eccentric shaft tentatively.

Further, in order to realize automatic locking, one end of the pawl 61 is rotationally clamped with the tooth surface of the ratchet wheel 6, the thread on the outer surface of the bidirectional screw rod 5 is sleeved with the thread blocks 62 which are symmetrically distributed, the upper surface of each thread block 62 is fixedly connected with the adjusting block 63, and the pawl 61 is matched with the ratchet wheel 6 for use, so that the bidirectional screw rod 5 is locked, and the looseness caused by vibration influence is avoided.

Further, in order to realize being convenient for to height control, the one end of regulating block 63 runs through stroke groove 3 and extends to the upper surface of operation panel 1, and locating hole 64 that is linear array and distributes is seted up to one side surface of regulating block 63, and the surface activity of regulating block 63 has cup jointed position sleeve 65, and regulating block 63 plays and is convenient for carry out the effect adjusted to the height of position sleeve 65.

Further, in order to realize adjusting the clamping height, one side fixed surface of the positioning sleeve 65 is connected with an arc clamping block 66, the other side surface of the positioning sleeve 65 is provided with a guide hole which is symmetrically distributed, the inner wall of the guide hole is movably sleeved with a positioning rod 67, one end of the positioning rod 67 is movably inserted into the inner wall of two positioning holes 64, the positioning sleeve 65 is moved to drive the arc clamping block 66 to move, and the eccentric shaft clamping device is suitable for clamping eccentric shafts with different lengths.

Further, in order to realize the reset movement, the other end of the positioning rod 67 is fixedly connected with a pulling block, an extension spring 68 is movably sleeved on the outer surface of the positioning rod 67, one end of the extension spring 68 is fixedly connected with the other side surface of the positioning sleeve 65, the other end of the extension spring 68 is fixedly connected with one side surface of the pulling block, and the extension spring 68 plays a role in driving the positioning rod 67 to reset and move through the matching of the pulling block.

Be provided with locking means through the one end surface that sets up two-way lead screw 5, and locking means includes ratchet 6, and ratchet 6's inner wall cup joints with the one end external surface fixation of two-way lead screw 5, has reached the locking to two-way lead screw 5, appears becoming flexible when avoiding the centre gripping to improve production quality's effect.

The working principle is as follows: step one, the positioning rod 67 is driven to move through the pulling block, so that the extension spring 68 is driven to extend, one end of the positioning rod 67 is separated from the positioning hole 64 at the moment, the pulling block is loosened after the positioning sleeve 65 is moved to a proper height, and the reset effect of the extension spring 68 drives the positioning rod 67 to be inserted into the positioning hole 64 through the pulling block to carry out limiting and fixing;

step two, the eccentric shaft to be processed is vertically placed in the placing groove 2, preliminary positioning is carried out through the magnet at the bottom of the placing groove 2, the servo motor 4 is started to drive the bidirectional screw rod 5 to rotate clockwise, the clockwise rotation of the bidirectional screw rod 5 drives the adjusting block 63 to move through the thread block 62, the two adjusting blocks 63 drive the positioning sleeve 65 and the arc-shaped clamping block 66 to move relatively through the matching of the stroke groove 3, so that the eccentric shaft is stably clamped, the servo motor 4 stops working at the moment, the pawl 61 is clamped into the inside of the tooth surface of the ratchet 6 to be limited, and the bidirectional screw rod 5 is prevented from being influenced by vibration to rotate anticlockwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a clamping device is used in eccentric shaft processing, includes operation panel (1), its characterized in that: the automatic feeding device is characterized in that a placing groove (2) is formed in the upper surface of the operating platform (1), symmetrically distributed stroke grooves (3) are formed in the upper surface of the operating platform (1), a servo motor (4) is fixedly mounted on the surface of one side of the operating platform (1), a bidirectional screw rod (5) is fixedly mounted on an output shaft of the servo motor (4) through a coupler, and one end of the bidirectional screw rod (5) penetrates through and extends to the surface of the other side of the operating platform (1);

the outer surface of one end of the bidirectional screw rod (5) is provided with a locking device, the locking device comprises a ratchet wheel (6), and the inner wall of the ratchet wheel (6) is fixedly sleeved with the outer surface of one end of the bidirectional screw rod (5).

2. The clamping device for eccentric shaft machining according to claim 1, wherein: and a fixed rod is fixedly connected to the surface of the other side of the operating table (1), and a pawl (61) is mounted on the outer surface of the fixed rod through a bearing.

3. The clamping device for eccentric shaft machining according to claim 2, wherein: one end of the pawl (61) is connected with the tooth surface of the ratchet wheel (6) in a rotating mode, the outer surface of the bidirectional screw rod (5) is in threaded sleeve connection with thread blocks (62) which are symmetrically distributed, and the upper surface of each thread block (62) is fixedly connected with an adjusting block (63).

4. The clamping device for eccentric shaft machining according to claim 3, wherein: one end of the adjusting block (63) penetrates through the stroke groove (3) and extends to the upper surface of the operating platform (1), one side surface of the adjusting block (63) is provided with positioning holes (64) distributed in a linear array mode, and a positioning sleeve (65) is movably sleeved on the outer surface of the adjusting block (63).

5. The clamping device for eccentric shaft machining according to claim 4, wherein: the positioning device is characterized in that an arc-shaped clamping block (66) is fixedly connected to the surface of one side of the positioning sleeve (65), guide holes which are symmetrically distributed are formed in the surface of the other side of the positioning sleeve (65), positioning rods (67) are movably sleeved on the inner walls of the guide holes, and one ends of the positioning rods (67) are movably inserted into the inner walls of two positioning holes (64).

6. The clamping device for eccentric shaft machining according to claim 5, wherein: the other end of the positioning rod (67) is fixedly connected with a pulling block, an extension spring (68) is movably sleeved on the outer surface of the positioning rod (67), one end of the extension spring (68) is fixedly connected with the surface of the other side of the positioning sleeve (65), and the other end of the extension spring (68) is fixedly connected with the surface of one side of the pulling block.