CN212286814U

CN212286814U - Quick positioning tool for shaft sleeve

Info

Publication number: CN212286814U
Application number: CN202020871225.5U
Authority: CN
Inventors: 鲁泽林; 李亮
Original assignee: Nanjing Lukai Machinery Co ltd
Current assignee: Nanjing Lukai Machinery Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-05
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a quick positioning tool for shaft sleeves, which relates to a shaft sleeve clamping device and aims to solve the problems that in the prior art, the mounting stability of the shaft sleeve is poor, the shaft sleeve can shake in the machining process, and the machining precision of the shaft sleeve is reduced; the axle sleeve is placed on the loading board, presss from both sides the moving direction of tight piece restriction axle sleeve, and the position of the fixed axle sleeve of rethread locating component to the moving range of restriction axle sleeve, with this fixed axle sleeve smoothly, improve the installation stability of axle sleeve, reduce the axle sleeve and produce the possibility of rocking in the course of working, reduce the possibility that reduces the axle sleeve at the machining precision.

Description

Quick positioning tool for shaft sleeve

Technical Field

The utility model relates to an axle sleeve clamping device, more specifically say, it relates to an axle sleeve fixes a position frock fast.

Background

The shaft sleeve is an important mechanical part, is widely used on a gear shaft or a bearing, is used for fixing the center positioning of the shaft and preventing the bearing from shifting due to vibration during operation, generally has high processing precision in the processing process of the shaft sleeve, and can be processed only after being fixed.

The Chinese patent with the publication number of CN202780534U discloses a clamp for machining a shaft sleeve, which comprises a clamp seat, wherein four sliding blocks capable of sliding along the bottom of the clamp seat are arranged at the bottom of the clamp seat in an annular array; four cylinders are correspondingly arranged outside the clamp seat; the cylinder is connected with the sliding block through a telescopic rod; the top of the sliding block inclines towards the center of the clamp seat; four positioning holes are formed in the clamp seat in an annular array manner; a fixing column is arranged in the positioning hole; the bottom of the fixed column is in contact with the top of the sliding block, and the inclination of the bottom of the fixed column is the same as that of the top of the sliding block; when the telescopic rod of the cylinder contracts, the upper surface of the fixing column is flush with the upper surface of the clamp seat.

The axle sleeve is when the clamping, places on the anchor clamps seat, opens the cylinder, and the cylinder promotes the slider and removes, and the slider promotes the fixed column and stretches out the locating hole, the fixed column and the shaft hole point contact of axle sleeve to fixed axle sleeve, but because the fixed column is the point contact with the axle sleeve, area of contact is less, and frictional force between fixed column and the axle sleeve is less, and the installation stability who leads to the axle sleeve is relatively poor, and the axle sleeve probably takes place to rock in the course of working, leads to the machining precision reduction of axle sleeve.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a quick location frock of axle sleeve, its advantage lies in that the installation stability of axle sleeve is better, and the possibility that takes place to rock in the course of working is less, reduces the possibility that reduces axle sleeve machining precision.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a quick location frock of axle sleeve, is including the loading board that is used for bearing the axle sleeve, set up two tight blocks of clamp that set up relatively on the loading board, two it is located the both ends of axle sleeve respectively to press from both sides tight block, press from both sides and be equipped with the locating component who is used for fixed axle sleeve on the tight block.

Through adopting above-mentioned technical scheme, the axle sleeve is placed on the loading board, presss from both sides the moving direction of tight piece restriction axle sleeve, and the position of the fixed axle sleeve of rethread locating component to the moving range of restriction axle sleeve, with this fixed axle sleeve smoothly, improve the installation stability of axle sleeve, reduce the axle sleeve and produce the possibility of rocking in the course of working, reduce the possibility that reduces the axle sleeve at the machining precision.

Furthermore, the positioning assembly comprises a limiting plate arranged on the side surface of the clamping block and a positioning plate connected to the side surface of the clamping block in a sliding manner, the positioning plate and the limiting plate are arranged oppositely, the side wall of the positioning plate extends into the shaft sleeve, the side surface of the positioning plate is attached to the inner side wall of the shaft sleeve, and one side of the limiting plate, which is close to the positioning plate, is attached to the outer side wall of the shaft sleeve;

the side face of the clamping block is provided with a positioning motor, a motor shaft of the positioning motor is provided with an adjusting gear, the clamping block is connected with a positioning screw rod in a rotating mode, one end of the positioning screw rod is connected with the positioning plate in a threaded mode, and the other end of the positioning screw rod is provided with a positioning gear meshed with the adjusting gear.

By adopting the technical scheme, when the shaft sleeve is clamped, the shaft sleeve is placed between the two clamping blocks, the positioning plate is inserted into the shaft sleeve, the positioning motor is started, the motor shaft of the positioning motor drives the adjusting gear to rotate, the adjusting gear drives the positioning gear to rotate, and the positioning gear drives the positioning screw to rotate, so that the positioning plate is driven to move towards one side close to the clamping blocks, and the positioning plate is matched with the limiting plate to smoothly fix the shaft sleeve.

Furthermore, a positioning cambered surface which is attached to the inner side wall of the shaft sleeve is arranged on the side surface of the positioning plate.

Through adopting above-mentioned technical scheme, the area of contact of location cambered surface increase locating plate and axle sleeve to increase the frictional force between locating plate and the axle sleeve, be favorable to improving the installation stability of axle sleeve.

Furthermore, a protection pad is arranged on the positioning arc surface.

Through adopting above-mentioned technical scheme, the protection pad reduces the possibility of locating plate and axle sleeve contact, reduces the possibility that the locating plate damaged the axle sleeve.

Furthermore, two adjusting cylinders which are arranged oppositely are arranged on the bearing plate, the end wall of a piston rod of each adjusting cylinder is fixedly connected with the side face of the clamping block, and the two adjusting cylinders are uniformly distributed along the axis direction of the shaft sleeve.

Through adopting above-mentioned technical scheme, when the axle sleeve of different length of clamping, start actuating cylinder, actuating cylinder's piston rod stretches out or contracts to the drive presss from both sides tight piece and slides, with this position of adjusting the tight piece of clamp, thereby adjust the distance between two tight pieces of clamp according to the axle sleeve of different length, make things convenient for the axle sleeve of different length of clamping.

Furthermore, a sliding rail is arranged on the bearing plate, and a sliding groove which slides in the sliding rail is arranged on the bottom wall of the clamping block.

Through adopting above-mentioned technical scheme, press from both sides tight piece at the removal in-process, slider and spout cooperation restrict the moving direction who presss from both sides tight piece, reduce the possibility that presss from both sides tight piece skew.

Furthermore, the side of the bearing plate is connected with a limiting cylinder in a sliding mode, the limiting cylinder is arranged along the thickness direction of the bearing plate, a clamping plate is hinged to the end wall of a piston rod of the limiting cylinder, the side of the clamping plate is hinged to the bearing plate, the clamping plate is arranged along the thickness direction of the baffle plate, and one side, away from the limiting cylinder, of the clamping plate is abutted to the outer side wall of the shaft sleeve.

By adopting the technical scheme, when the shaft sleeve is clamped, the limiting cylinder is started, the piston rod of the limiting cylinder extends out, so as to drive the clamping plate to rotate, one side of the clamping plate, which is far away from the limiting cylinder, is abutted against the outer side wall of the shaft sleeve,

furthermore, a limiting cylinder is arranged on the side face of the bearing plate and arranged along the thickness direction of the bearing plate, a clamping plate is hinged to the end wall of a piston rod of the limiting cylinder and hinged to the bearing plate, and one side, away from the limiting cylinder, of the clamping plate is abutted to the outer side wall of the shaft sleeve.

Through adopting above-mentioned technical scheme, during the clamping axle sleeve, start spacing cylinder, the piston rod of spacing cylinder stretches out, drives the cardboard and rotates, and the cardboard is inconsistent with the lateral wall of axle sleeve, and further fixed axle sleeve improves the installation stability of axle sleeve.

Furthermore, one side of the clamping plate, which is close to the shaft sleeve, is provided with a limiting arc surface.

Through adopting above-mentioned technical scheme, spacing cambered surface increases the area of contact of cardboard and axle sleeve, is favorable to increasing the frictional force between cardboard and the axle sleeve, further improves the installation stability of axle sleeve.

To sum up, the utility model discloses following beneficial effect has:

1. the shaft sleeve is placed on the bearing plate and positioned between the two clamping blocks to limit the moving direction of the shaft sleeve, and the position of the shaft sleeve is fixed through the positioning assembly to limit the moving range of the shaft sleeve, so that the mounting stability of the shaft sleeve is improved, the possibility of shaking of the shaft sleeve in the machining process is reduced, and the possibility of reducing the machining precision of the shaft sleeve is reduced;

2. the positioning cambered surface increases the contact area between the positioning plate and the shaft sleeve, so that the friction force between the positioning plate and the shaft sleeve is increased, and the mounting stability of the shaft sleeve is improved;

3. the protection pad reduces the possibility that the locating plate and the shaft sleeve are in direct contact, and reduces the possibility that the locating plate damages the shaft sleeve.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a partial structure view of fig. 1 taken along the direction of a-a.

Fig. 3 is an enlarged view of a portion B in fig. 2.

In the figure: 1. a carrier plate; 11. a clamping block; 111. a chute; 12. a limiting cylinder; 13. clamping a plate; 131. limiting the arc surface; 14. an adapter plate; 15. an adjusting cylinder; 16. a slide rail; 2. a positioning assembly; 21. a limiting plate; 22. positioning a lead screw; 221. positioning a gear; 23. positioning a motor; 231. positioning the shaft; 24. positioning a plate; 241. a slider; 242. positioning the arc surface; 243. a protection pad; 25. an adjusting gear; 3. and a shaft sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, a quick location frock of axle sleeve, it includes loading board 1, two press from both sides tight piece 11 and be used for the locating component 2 of fixed axle sleeve 3, and axle sleeve 3 places on loading board 1, and two press from both sides tight piece 11 and set up relatively, and two press from both sides tight piece 11 and lie in the both ends of axle sleeve 3 respectively, and locating component 2 sets up on pressing from both sides tight piece 11.

Referring to fig. 1, be equipped with spacing cylinder 12 on the roof of loading board 1, spacing cylinder 12 slides with loading board 1 and is connected, spacing cylinder 12 sets up along the thickness direction of loading board 1, it has cardboard 13 to articulate on the piston rod end wall of spacing cylinder 12, cardboard 13 is along axle sleeve 3's radial setting, be equipped with keysets 14 on the loading board 1, keysets 14 sets up along the thickness direction of loading board 1, cardboard 13 is articulated with keysets 14's roof, keysets 14 is located between spacing cylinder 12 and the axle sleeve 3.

Referring to fig. 1, one side of the clamping plate 13 close to the shaft sleeve 3 is abutted against the outer side wall of the shaft sleeve 3, and one side of the clamping plate 13 abutted against the shaft sleeve 3 is provided with a limiting arc surface 131, so that the contact area between the clamping plate 13 and the shaft sleeve 3 is increased, and the friction force between the shaft sleeve 3 and the clamping plate 13 is favorably improved; when clamping axle sleeve 3, axle sleeve 3 is placed between two tight pieces of clamp 11, the moving direction who presss from both sides tight piece 11 restriction axle sleeve 3, start spacing cylinder 12, the piston rod of spacing cylinder 12 stretches out, thereby it is rotatory around adapter plate 14 to drive cardboard 13, thereby cardboard 13 drives spacing cambered surface 131 and axle sleeve 3 inconsistent, thereby fixed axle sleeve 3's position, in the position of further fixed axle sleeve 3 through locating component 2, improve axle sleeve 3's installation stability, reduce axle sleeve 3 and take place the possibility of rocking in the course of working, reduce the possibility that reduces axle sleeve 3 machining precision.

Referring to fig. 2, the positioning assembly 2 includes a positioning plate 24 slidably connected to the side surface of the clamping block 11, a positioning screw 22 is rotatably connected to the clamping block 11, a slider 241 is integrally manufactured on the side surface of the positioning plate 24, the slider 241 extends into the limiting plate 21, the positioning screw 22 passes through the slider 241, and the slider 241 is in threaded connection with the positioning screw 22.

Referring to fig. 2, one end of the positioning screw 22 extends out of the clamping block 11, one end of the positioning screw 22 extending out of the clamping block 11 is provided with a positioning gear 221, the side wall of the clamping block 11 is provided with a positioning motor 23, a motor shaft of the positioning motor 23 is provided with a positioning shaft 231, and one end of the positioning shaft 231, which is far away from the positioning motor 23, is provided with an adjusting gear 25 engaged with the positioning gear 221.

Referring to fig. 3, a positioning arc 242 is disposed on a side surface of the positioning plate 24, a protection pad 243 is disposed on a convex surface of the positioning arc 242, and a side of the protection pad 243 away from the positioning arc 242 is abutted against an inner side wall of the shaft sleeve 3.

Referring to fig. 2, a limiting plate 21 is welded on one side of the clamping block 11 close to the shaft sleeve 3, the limiting plate 21 is arranged opposite to a positioning plate 24, and the limiting plate 21 is arranged along the axial direction of the shaft sleeve 3; when the shaft sleeve 3 is clamped, the positioning plate 24 is inserted into the shaft sleeve 3, the positioning motor 23 is started, the positioning motor 23 drives the positioning shaft 231 to rotate, the positioning shaft 231 drives the adjusting gear 25 to rotate, the adjusting gear 25 drives the positioning gear 221 to rotate, the positioning gear 221 drives the positioning screw 22 to rotate again, the positioning screw 22 drives the positioning plate 24 to move, the positioning plate 24 drives the positioning cambered surface 242 and the protection pad 243 to abut against the inner side wall of the shaft sleeve 3, the limiting plate 21 abuts against the outer side wall of the shaft sleeve 3, and therefore the shaft sleeve 3 is smoothly fixed.

Referring to fig. 2, two adjusting cylinders 15 are arranged on the bearing plate 1, the two adjusting cylinders 15 are arranged oppositely, the adjusting cylinders 15 are arranged along the axial direction of the shaft sleeve 3, the two adjusting cylinders 15 are respectively located at two ends of the shaft sleeve 3, a piston rod of each adjusting cylinder 15 is fixedly connected with the side surface of the clamping block 11, a sliding rail 16 is arranged on the top wall of the bearing plate 1, the sliding rail 16 is arranged along the axial direction of the adjusting cylinder 15, and a sliding chute 111 which slides on the sliding rail 16 is arranged on the bottom wall of the clamping block 11; when the shaft sleeves 3 with different lengths are clamped, the adjusting cylinder 15 is started, the piston rod of the adjusting cylinder 15 extends out or contracts, so that the clamping blocks 11 are driven to slide on the slide rails 16, the positions of the clamping blocks 11 are smoothly adjusted, the distance between the two clamping blocks 11 can be conveniently adjusted according to the shaft sleeves 3 with different lengths, and the shaft sleeves 3 with different lengths are clamped.

The implementation principle of the above embodiment is as follows: before processing axle sleeve 3, axle sleeve 3 is placed on loading board 1, presss from both sides tight piece 11 restriction axle sleeve 3's both ends to restriction axle sleeve 3's moving direction, the fixed axle sleeve 3 of rethread locating component 2, thereby restriction axle sleeve 3's moving range, with this installation stability who improves axle sleeve 3, reduce axle sleeve 3 and take place the possibility of rocking in the course of working, reduce the possibility that 3 machining precision of axle sleeve reduced.

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.

Claims

1. The utility model provides a quick location frock of axle sleeve which characterized in that: the bearing plate (1) used for bearing the shaft sleeve (3) and the two oppositely-arranged clamping blocks (11) arranged on the bearing plate (1) are included, the two clamping blocks (11) are respectively located at two ends of the shaft sleeve (3), and the positioning assembly (2) used for fixing the shaft sleeve (3) is arranged on each clamping block (11).

2. The quick positioning tool for the shaft sleeve according to claim 1, characterized in that: the positioning assembly (2) comprises a limiting plate (21) arranged on the side face of the clamping block (11) and a positioning plate (24) connected to the side face of the clamping block (11) in a sliding manner, the positioning plate (24) is arranged opposite to the limiting plate (21), the side wall of the positioning plate (24) extends into the shaft sleeve (3), the side face of the positioning plate (24) is attached to the inner side wall of the shaft sleeve (3), and one side, close to the positioning plate (24), of the limiting plate (21) is attached to the outer side wall of the shaft sleeve (3);

the side face of the clamping block (11) is provided with a positioning motor (23), a motor shaft of the positioning motor (23) is provided with an adjusting gear (25), the clamping block (11) is rotatably connected with a positioning screw rod (22), one end of the positioning screw rod (22) is in threaded connection with a positioning plate (24), and the other end of the positioning screw rod is provided with a positioning gear (221) meshed with the adjusting gear (25).

3. The quick positioning tool for the shaft sleeve according to claim 2, characterized in that: and a positioning cambered surface (242) which is attached to the inner side wall of the shaft sleeve (3) is arranged on the side surface of the positioning plate (24).

4. The quick positioning tool for the shaft sleeve according to claim 3, characterized in that: and a protection pad (243) is arranged on the positioning arc surface (242).

5. The quick positioning tool for the shaft sleeve according to claim 1, characterized in that: the bearing plate (1) is provided with two oppositely arranged adjusting cylinders (15), the end wall of a piston rod of each adjusting cylinder (15) is fixedly connected with the side face of the corresponding clamping block (11), and the two adjusting cylinders (15) are uniformly distributed along the axis direction of the shaft sleeve (3).

6. The quick positioning tool for the shaft sleeve according to claim 5, characterized in that: the bearing plate (1) is provided with a sliding rail (16), and the bottom wall of the clamping block (11) is provided with a sliding groove (111) which slides in the sliding rail (16).

7. The quick positioning tool for the shaft sleeve according to claim 1, characterized in that: the bearing plate is characterized in that a limiting cylinder (12) is connected to the side face of the bearing plate (1) in a sliding mode, the limiting cylinder (12) is arranged along the thickness direction of the bearing plate (1), a clamping plate (13) is hinged to the end wall of a piston rod of the limiting cylinder (12), the clamping plate (13) is hinged to the bearing plate (1), and one side of the limiting cylinder (12) is abutted to the outer side wall of the shaft sleeve (3) and is kept away from the clamping plate (13).

8. The quick positioning tool for the shaft sleeve according to claim 7, characterized in that: one side of the clamping plate (13) close to the shaft sleeve (3) is provided with a limiting arc surface (131).