CN211193040U

CN211193040U - Shaft part machining is with pressing from both sides tight fixing device

Info

Publication number: CN211193040U
Application number: CN201922284247.1U
Authority: CN
Inventors: 屈阳
Original assignee: Tianjin Lianggao Precision Machinery Co ltd
Current assignee: Tianjin Lianggao Precision Machinery Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-07
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses an axle type parts machining is with pressing from both sides tight fixing device, including first backup pad, the through-hole has been seted up at the middle part of first backup pad, and the bottom fixed mounting of first backup pad has two second backup pads and is located the supporting shoe between two second backup pads, is provided with adjustment mechanism between supporting shoe and one of them second backup pad, and adjustment mechanism comprises lead screw, toothed hand wheel and connecting block, and the first stop gear of through-hole and fixedly connected with is passed on the top of connecting block. The utility model discloses a rotation takes the tooth hand wheel to drive the lead screw and rotates, can make the connecting block drive first spacing dish and remove to taking the tooth hand wheel through the lead screw to counter shaft class part presss from both sides tightly fixedly, can drive the second pivot and the spacing dish of second rotates through mutually supporting of step motor, drive wheel and drive belt, and the rotation through the spacing dish of second can drive axle type part and rotate, thereby is convenient for adjust the position of axle type part.

Description

Shaft part machining is with pressing from both sides tight fixing device

Technical Field

The utility model relates to a press from both sides tight fixing device specifically is an axle type parts machining is with pressing from both sides tight fixing device.

Background

In industrial products, shaft parts are suitable for maintenance operation of one or more numerically-controlled machine tool machining parts, the shaft parts are one of typical parts frequently encountered in hardware fittings and are mainly used for supporting transmission parts, transmitting torque and bearing load, the shaft parts are different in structural form and can be generally divided into three types, namely an optical axis, a stepped axis and a special-shaped axis, or a solid axis, a hollow axis and the like, the shaft parts need to be clamped and fixed by a clamping and fixing device in the machining process, all surfaces of the shaft parts need to be machined in the machining process, and the workpieces are mostly inconvenient to adjust after the shaft parts are clamped by the existing clamping and fixing device. Therefore, the clamping and fixing device for machining the shaft parts is improved.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a clamping and fixing device for processing shaft parts, which comprises a first supporting plate, wherein the middle part of the first supporting plate is provided with a through hole, the bottom of the first supporting plate is fixedly provided with two second supporting plates and a supporting block positioned between the two second supporting plates, an adjusting mechanism is arranged between the supporting block and one of the second supporting plates, the adjusting mechanism consists of a screw rod, a toothed hand wheel and a connecting block, the top end of the connecting block passes through the through hole and is fixedly connected with a first limiting mechanism, the first limiting mechanism consists of a first supporting seat, a first rotating shaft and a first limiting disc, the right side of the first supporting plate is provided with a locking mechanism positioned above the toothed hand wheel, the locking mechanism consists of a limiting rod, a limiting block and a spring, the left side of the top of the first supporting plate is provided with a driving mechanism and a fixing mechanism positioned on the right side, the driving mechanism comprises a second supporting seat, a second rotating shaft, a second limiting disc, two driving wheels, a stepping motor and two driving belts, wherein the stepping motor is connected with the bottom of the first supporting plate, an output shaft of the stepping motor penetrates through the second supporting plate and is connected with one of the driving wheels, the bottom of the second supporting seat is connected with the first supporting plate, the outer surface of the second rotating shaft is connected with the inner wall of the second supporting seat through a bearing, the right end of the second rotating shaft is fixedly connected with the second limiting disc, the left end of the second rotating shaft is fixedly connected with the other driving wheel, and the two driving belts are in transmission connection between the two driving wheels;

fixing mechanism comprises a third backup pad, a fourth backup pad, two cylinders, two fixed plates and two auxiliary rods, the bottom of third backup pad and the top fixed connection of first backup pad, fourth backup pad fixed mounting is at the positive top of third backup pad, one of them the cylinder links to each other with the top of fourth backup pad, one of them the piston rod of cylinder runs through the fourth backup pad and with one of them fixed plate fixed connection, another cylinder fixed mounting is in the bottom of first backup pad, another the piston rod of cylinder runs through first backup pad and with another fixed plate fixed connection.

As a preferred technical scheme of the utility model, the left end of lead screw passes through the bearing and links to each other with the right flank of supporting shoe, the right-hand member of lead screw run through the second backup pad and with take tooth hand wheel fixed connection.

As a preferred technical scheme of the utility model, the connecting block is provided with the helicitic texture with lead screw looks adaptation with being connected of lead screw, the inner wall of connecting block and the surface threaded connection of lead screw.

As a preferred technical scheme of the utility model, the top of connecting block and the bottom fixed connection of first supporting seat, the right-hand member and the first supporting seat fixed connection of first pivot, the left end of first pivot passes through bearing and first spacing dish fixed connection.

As a preferred technical scheme of the utility model, the surface of stopper alternates with the inner wall of first backup pad and is connected, the bottom and the gag lever post fixed connection of stopper, the spring sets up the surface at the stopper.

As an optimal technical scheme of the utility model, the top and the first backup pad fixed connection of spring, the bottom of spring and the top fixed connection of gag lever post.

As a preferred technical scheme of the utility model, two the equal fixed mounting of auxiliary rod is between first backup pad and fourth backup pad, two the surface of auxiliary rod all alternates with the inner wall of two fixed plates and is connected.

The utility model has the advantages that: the clamping and fixing device for processing shaft parts can drive the screw rod to rotate by rotating the toothed hand wheel, the connecting block can drive the first limiting disc to move towards the toothed hand wheel through the screw rod, so that the shaft parts are clamped and fixed, the second rotating shaft and the second limiting disc can be driven to rotate by the mutual matching of the stepping motor, the driving wheel and the driving belt, the shaft parts can be driven to rotate by the rotation of the second limiting disc, so that the position of the shaft parts can be conveniently adjusted, an operator can conveniently adjust the position part of the shaft parts, the distance between the second limiting disc and the first limiting disc can be adjusted, the clamping and fixing device can fix the shaft parts with different lengths, the limiting rod is pushed to clamp the toothed hand wheel by the acting force of the spring, and the screw rod is prevented from rotating due to the vibration of processing equipment when the clamping and fixing device is used, the fixing of the second limiting disc and the first limiting disc to the shaft part is enabled to be loosened, the two fixing plates are pushed to be close to each other through the two cylinders, and the shaft part can be clamped tightly, so that the workpiece is fixed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a clamping and fixing device for processing shaft parts according to the present invention;

FIG. 2 is a schematic cross-sectional view of the clamping and fixing device for machining shaft parts according to the present invention;

fig. 3 is a schematic structural view of a fixing mechanism of the clamping and fixing device for processing shaft parts according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a position a of the clamping and fixing device for processing shaft parts of the present invention.

In the figure: 1. a first support plate; 2. a second support plate; 3. a support block; 4. a through hole; 5. a screw rod; 6. a hand wheel with teeth; 7. connecting blocks; 8. a first support base; 9. a first rotating shaft; 10. a first limiting disc; 11. a limiting rod; 12. a limiting block; 13. a spring; 14. a second support seat; 15. a second rotating shaft; 16. a second limiting disc; 17. a driving wheel; 18. a stepping motor; 19. a transmission belt; 20. a third support plate; 21. a fourth support plate; 22. a cylinder; 23. a fixing plate; 24. an auxiliary lever.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

In the embodiment, as shown in fig. 1, 2, 3 and 4, the clamping and fixing device for processing shaft parts of the present invention comprises a first support plate 1, a through hole 4 is formed in the middle of the first support plate 1, two second support plates 2 and a support block 3 located between the two second support plates 2 are fixedly installed at the bottom of the first support plate 1, an adjusting mechanism is disposed between the support block 3 and one of the second support plates 2, the adjusting mechanism is composed of a screw rod 5, a toothed handwheel 6 and a connecting block 7, the top end of the connecting block 7 passes through the through hole 4 and is fixedly connected with the first limiting mechanism, the first limiting mechanism is composed of a first support seat 8, a first rotating shaft 9 and a first limiting disc 10, a locking mechanism located above the handwheel 6 is disposed at the right side of the first support plate 1, the locking mechanism is composed of a limiting rod 11, a limiting block 12 and a spring 13, a driving mechanism and a fixing mechanism located at the right side of the driving mechanism are disposed at the left side of the top of the first support plate 1, the driving mechanism is composed of a driving mechanism and a fixing mechanism located at the right side of the driving mechanism, the driving mechanism is composed of a second rotating shaft 14, a second rotating shaft 15, a second limiting disc 16, two driving wheel 18, a driving wheel 18-18, a driving wheel 18 is connected with a driving wheel 18, a driving mechanism is connected with a driving mechanism, a driving motor driving mechanism, a driving mechanism is connected with a driving mechanism, a driving mechanism is connected with a driving mechanism, a driving wheel 18-18 driving mechanism, a driving mechanism is connected with a driving mechanism, a driving;

the fixing mechanism is composed of a third supporting plate 20, a fourth supporting plate 21, two air cylinders 22, two fixing plates 23 and two auxiliary rods 24, the bottom of the third supporting plate 20 is fixedly connected with the top of the first supporting plate 1, the fourth supporting plate 21 is fixedly installed at the front top of the third supporting plate 20, one air cylinder 22 is connected with the top of the fourth supporting plate 21, a piston rod of one air cylinder 22 penetrates through the fourth supporting plate 21 and is fixedly connected with one fixing plate 23, the other air cylinder 22 is fixedly installed at the bottom of the first supporting plate 1, a piston rod of the other air cylinder 22 penetrates through the first supporting plate 1 and is fixedly connected with the other fixing plate 23, and the air cylinder 22 is connected with an external air pump through an external control valve.

The left end of the screw rod 5 is connected with the right side face of the supporting block 3 through a bearing, the right end of the screw rod 5 penetrates through the second supporting plate 2 and is fixedly connected with the toothed hand wheel 6, and an operator can conveniently rotate the screw rod 5 through the toothed hand wheel 6.

The connecting block 7 is connected with the screw rod 5 and is provided with a thread structure matched with the screw rod 5, the inner wall of the connecting block 7 is in threaded connection with the outer surface of the screw rod 5, and the connecting block 7 can drive the first limiting disc 10 to move towards the toothed hand wheel 6 through the screw rod 5 so as to clamp and fix the shaft parts.

Wherein, the top of connecting block 7 and the bottom fixed connection of first supporting seat 8, the right-hand member and the 8 fixed connection of first supporting seat of first pivot 9, the left end of first pivot 9 passes through bearing and first spacing dish 10 fixed connection, and the distance between spacing dish 16 of second and the first spacing dish 10 is adjustable to make this press from both sides tight fixing device can fix the axle type part of different length.

Wherein, the surface of stopper 12 alternates with the inner wall of first backup pad 1 and is connected, the bottom and the gag lever post 11 fixed connection of stopper 12, spring 13 sets up the surface at stopper 12, and effort through spring 13 promotes gag lever post 11 and carries out the chucking to toothed hand wheel 6 to avoid the device to receive the vibrations of processing equipment when using and lead to 5 to take place to rotate, lead to the fixed emergence of the axle class part of spacing dish 16 of second and first spacing dish 10 not hard up.

Wherein, the top of spring 13 and first backup pad 1 fixed connection, the bottom of spring 13 and the top fixed connection of gag lever post 11.

Wherein, the equal fixed mounting of two auxiliary rods 24 is between first backup pad 1 and fourth backup pad 21, and the surface of two auxiliary rods 24 all alternates with the inner wall of two fixed plates 23 and is connected, promotes two fixed plates 23 through two cylinders 22 and is close to each other and can press from both sides the axle type part tightly to fix the work piece.

When the device works, firstly, an external power supply of the device is switched on, then a shaft part to be processed is arranged between a second limiting disc 16 and a first limiting disc 10, then a limiting block 12 is pulled upwards and a toothed hand wheel 6 is rotated, a screw rod 5 is driven to rotate through the toothed hand wheel 6, a first supporting seat 8 is driven to move towards a second supporting seat 14 through a driving connecting block 7, the shaft part is clamped through the mutual matching of the second limiting disc 16 and the first limiting disc 10, then the limiting block 12 is loosened, at the moment, an acting force of a spring 13 pushes a limiting rod 11 to descend, and the limiting rod 11 is inserted into teeth of the toothed hand wheel 6, so that the toothed hand wheel 6 is limited, then a stepping motor 18 is started, a driving wheel 17 and a driving belt 19 are driven to rotate through the stepping motor 18, a second rotating shaft 15 and a second limiting disc 16 are driven to rotate through the rotation of the driving wheel 17 and the driving belt 19, a workpiece is driven to rotate, therefore, the position of the workpiece is adjusted, the two cylinders 22 are started after the adjustment is finished, the two fixing plates 23 are pushed to be close to each other through the two cylinders 22, the shaft part can be clamped, and therefore the workpiece is fixed.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The clamping and fixing device for processing shaft parts comprises a first supporting plate (1) and is characterized in that a through hole (4) is formed in the middle of the first supporting plate (1), two second supporting plates (2) and a supporting block (3) positioned between the two second supporting plates (2) are fixedly mounted at the bottom of the first supporting plate (1), an adjusting mechanism is arranged between the supporting block (3) and one of the second supporting plates (2), the adjusting mechanism consists of a screw rod (5), a toothed hand wheel (6) and a connecting block (7), the top end of the connecting block (7) penetrates through the through hole (4) and is fixedly connected with a first limiting mechanism, the first limiting mechanism consists of a first supporting seat (8), a first rotating shaft (9) and a first limiting disc (10), and a locking mechanism positioned above the toothed hand wheel (6) is arranged on the right side of the first supporting plate (1), the locking mechanism consists of a limiting rod (11), a limiting block (12) and a spring (13), a driving mechanism and a fixing mechanism positioned on the right side of the driving mechanism are arranged on the left side of the top of the first supporting plate (1), the driving mechanism consists of a second supporting seat (14), a second rotating shaft (15), a second limiting disc (16), two driving wheels (17), a stepping motor (18) and two driving belts (19), the stepping motor (18) is connected with the bottom of the first supporting plate (1), an output shaft of the stepping motor (18) penetrates through the second supporting plate (2) and is connected with one of the driving wheels (17), the bottom of the second supporting seat (14) is connected with the first supporting plate (1), the outer surface of the second rotating shaft (15) is connected with the inner wall of the second supporting seat (14) through a bearing, and the right end of the second rotating shaft (15) is fixedly connected with the second limiting disc (16), the left end of the second rotating shaft (15) is fixedly connected with another driving wheel (17), and the two driving belts (19) are in transmission connection between the two driving wheels (17);

the fixing mechanism is composed of a third supporting plate (20), a fourth supporting plate (21), two air cylinders (22), two fixing plates (23) and two auxiliary rods (24), the bottom of the third supporting plate (20) is fixedly connected with the top of the first supporting plate (1), the fourth supporting plate (21) is fixedly installed at the front top of the third supporting plate (20), one of the air cylinders (22) is connected with the top of the fourth supporting plate (21), one of the air cylinders (22) is fixedly connected with one of the fixing plates (23) through the fourth supporting plate (21), the other air cylinder (22) is fixedly installed at the bottom of the first supporting plate (1), and the other air cylinder (22) is fixedly connected with the other fixing plate (23) through the piston rod of the air cylinder (22).

2. The clamping and fixing device for processing the shaft parts as claimed in claim 1, wherein the left end of the screw rod (5) is connected with the right side surface of the supporting block (3) through a bearing, and the right end of the screw rod (5) penetrates through the second supporting plate (2) and is fixedly connected with the toothed hand wheel (6).

3. The clamping and fixing device for processing the shaft parts as claimed in claim 1, wherein the connection between the connecting block (7) and the screw rod (5) is provided with a thread structure matched with the screw rod (5), and the inner wall of the connecting block (7) is in threaded connection with the outer surface of the screw rod (5).

4. The clamping and fixing device for processing the shaft parts as claimed in claim 1, wherein the top end of the connecting block (7) is fixedly connected with the bottom of the first supporting seat (8), the right end of the first rotating shaft (9) is fixedly connected with the first supporting seat (8), and the left end of the first rotating shaft (9) is fixedly connected with the first limiting disc (10) through a bearing.

5. The clamping and fixing device for processing the shaft parts as claimed in claim 1, wherein the outer surface of the limiting block (12) is inserted into and connected with the inner wall of the first supporting plate (1), the bottom end of the limiting block (12) is fixedly connected with the limiting rod (11), and the spring (13) is arranged on the outer surface of the limiting block (12).

6. The clamping and fixing device for processing the shaft parts as claimed in claim 1, wherein the top end of the spring (13) is fixedly connected with the first supporting plate (1), and the bottom end of the spring (13) is fixedly connected with the top of the limiting rod (11).

7. The clamping and fixing device for processing the shaft parts as claimed in claim 1, wherein the two auxiliary rods (24) are fixedly arranged between the first supporting plate (1) and the fourth supporting plate (21), and the outer surfaces of the two auxiliary rods (24) are inserted and connected with the inner walls of the two fixing plates (23).