CN211029841U

CN211029841U - Bearing drawing device

Info

Publication number: CN211029841U
Application number: CN201921993299.XU
Authority: CN
Inventors: 王洪吉; 张洋洋
Original assignee: Jiangyin Chenggong Transfer Packaging Materials Co ltd
Current assignee: Jiangyin Chenggong Transfer Packaging Materials Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-17
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a bearing drawing device, which belongs to the field of mechanical equipment and aims to provide a bearing drawing device, the key point of the technical proposal is that the pull rod comprises a pull rod, a pipe sleeve which is connected on the pull rod in a sliding way, and a fixed block which is arranged at one end of the pull rod, one end of the pull rod, which is far away from the fixed block, is provided with a drawing component, the drawing component comprises an installation rod arranged in the connecting rod, openings arranged on the connecting rod and positioned at the two ends of the installation rod, and two limiting blocks connected at the two ends of the installation rod, the stopper is located the opening part, the installation pole both ends are seted up threadedly, installation pole both ends screw thread opposite direction, two the stopper difference threaded connection is at the installation pole both ends, the utility model has the advantages of can be according to bearing size adjustment pull rod on with the size of bearing cooperation one end, the pull rod tip is stable with the bearing cooperation, and conveniently takes out the bearing.

Description

Bearing drawing device

Technical Field

The utility model relates to a mechanical equipment field, in particular to bearing drawing device.

Background

The bearing puller is a device for taking the inner bearing out of the bearing seat, and is a built-in bearing puller.

In the printing field, often need use the material roller to be used for loading the banded material of printing usefulness, banded material winding is on the material roller, and the inside hollow structure that is of material roller, the inside mounting bracket that wears to be equipped with of material roller, the mounting bracket erects in the frame, and material roller internally mounted has the bearing, and the external diameter of bearing is contradicted on the material roller inside wall, and the internal diameter of bearing is contradicted on the lateral wall of mounting bracket, and the setting up of bearing makes the material roller can rotate for the mounting bracket.

When the bearing needs to be taken out, the bearing is inconvenient to take out due to the fact that the outer side wall of the bearing is tightly attached to the inner side wall of the material roller, and the bearing needs to be taken out of the material roller by using the pin puller.

The technical scheme is that the material roller device comprises a pull rod 1, the pull rod 1 is inserted into a material roller when a bearing is pulled out, a threaded hole is formed in the end portion of the pull rod 1, a screw 4 is connected to the inner thread of the threaded hole, a fixed block 12 is arranged at one end, far away from the screw 4, of the pull rod 1, a pipe sleeve 11 is connected to the pull rod 1 in a sliding mode, one end, where the screw 4 is located, of the pull rod 1 is inserted into the material roller, the edge of the screw 4 is abutted to the side wall, far away from one side of the pipe sleeve 11, of the bearing, the pipe sleeve 11 slides at the moment, the pipe sleeve 11 is made to impact the fixed block 12, the pull rod 1 vibrates.

However, in actual use, the area of the edge of the screw is small, the contact area of the edge of the screw with the side wall of the bearing is small, and in the process of matching the edge of the screw with the bearing, the situation that the screw is separated from the side wall of the bearing can occur, so that the bearing is inconvenient to take out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bearing is drawn device has can be according to bearing size adjustment pull rod on with the size of bearing cooperation one end, the pull rod tip is stable with the bearing cooperation, and conveniently takes out the advantage of bearing.

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

the utility model provides a bearing pulling device, includes pipe box, the fixed block of setting in pull rod one end of pull rod, sliding connection on the pull rod, keep away from fixed block one end on the pull rod and be equipped with and draw the subassembly, draw the subassembly including setting up the installation pole in the connecting rod, seting up and lie in the opening at installation pole both ends, connect two stoppers at installation pole both ends on the connecting rod, the stopper is located the opening part, the installation pole both ends are seted up threadedly, installation pole both ends screw thread opposite direction, two the stopper is threaded connection respectively at installation pole both ends.

By adopting the technical scheme, the pipe sleeve slides on the pull rod, the fixed block plays a limiting role on the pipe sleeve, the drawing component at one end of the pull rod is used for being matched with the side wall of the bearing to take the bearing out of the material roller, the two ends of the installation rod are in threaded connection with the limiting blocks, when the limiting blocks move on the installation rod, the limiting blocks leave the pull rod from the opening or enter the pull rod, the thread directions at the two ends of the installation rod are opposite, when the installation rod rotates, the limiting blocks on the installation rod can move oppositely or oppositely, when the limiting blocks are moved manually, the limiting blocks can also be rotated to be in threaded fit with the installation rod, so that the limiting blocks move on the installation rod in the length direction relative to the installation rod, the positions of the limiting blocks on the installation rod influence the length of the limiting blocks outside the pull rod, thereby adjusting the distance between the two limiting blocks, thereby realizing the adjustment of the, the contact area between the limiting block and the bearing is increased, and the bearing can be conveniently taken out by a worker.

Furthermore, an adjusting rod is rotatably connected in the pull rod, one end, close to the mounting rod, of the adjusting rod is fixedly connected with a first bevel gear, the adjusting rod and the first bevel gear are coaxially arranged, and the first bevel gear is connected with the mounting rod.

Through adopting above-mentioned technical scheme, adjust the pole and rotate to be connected in the pull rod, rotate and adjust the pole and make the bevel gear of adjusting the pole below rotate, bevel gear rotates and will drive the installation pole and rotate, and the installation pole rotates and will make and install two stoppers of pole threaded connection and do relative or motion to the back along installation pole length direction, conveniently adjusts the distance between two stoppers to make things convenient for stopper and bearing cooperation, take out the bearing from the material roller.

Furthermore, a second bevel gear matched with the first bevel gear is arranged on one side of the first bevel gear, the second bevel gear is rotatably connected in the pull rod, the first bevel gear is meshed with the second bevel gear, and the first bevel gear is connected with the mounting rod through the second bevel gear.

Through adopting above-mentioned technical scheme, bevel gear one and bevel gear two cooperation, bevel gear two drive the installation pole and rotate, and bevel gear two's setting can change bevel gear one's transmission direction to make the installation pole rotate under bevel gear's drive.

Furthermore, a first driving gear is fixedly sleeved on the mounting rod, a second driving gear is connected in the pull rod in a rotating mode, the second driving gear is located on one side, far away from the mounting rod, of the first driving gear, the first driving gear is meshed with the second driving gear, and the second bevel gear and the second driving gear rotate coaxially.

By adopting the technical scheme, the driving gear is sleeved outside the mounting rod, the second driving gear is meshed with the first driving gear, the second driving gear and the second bevel gear rotate coaxially, the first bevel gear on the adjusting rod is coaxial with the pull rod due to the fact that the adjusting rod rotates in the pull rod, in order to enable the moving distances of the limiting blocks at the two ends of the mounting rod to be the same, the first driving gear needs to be arranged in the middle of the mounting rod, and the second driving gear and the second bevel gear play a role in transmission between the first driving gear and the first bevel gear.

Furthermore, one side of the second driving gear is fixedly connected with a connecting rod, and one end, far away from the second driving gear, of the connecting rod is fixedly connected with the second bevel gear.

By adopting the technical scheme, the connecting rod is arranged between the second driving gear and the second bevel gear, so that the second driving gear synchronously rotates along with the second bevel gear under the driving of the first bevel gear.

Further, the minimum outer diameter of the second bevel gear is larger than the maximum outer diameter of the second driving gear, and the first bevel gear is located above the second driving gear.

By adopting the technical scheme, the minimum outer diameter of the second bevel gear is larger than the maximum outer diameter of the second driving gear, the first bevel gear is positioned above the second driving gear, the diameter of the second bevel gear is larger, the first bevel gear is convenient to mount, and the first bevel gear is prevented from influencing the rotation of the second driving gear.

Furthermore, the end, far away from the installation rod, of the adjusting rod is arranged on the outer side of the pull rod, and the end, far away from the installation rod, of the adjusting rod is fixedly connected with a hand wheel.

Through adopting above-mentioned technical scheme, the hand wheel is located installation rod tip, and is located the pull rod outside, makes things convenient for the staff to operate.

Furthermore, be located threaded rod and be close to pipe box one side and stopper cooperation and be equipped with two guide blocks in the pull rod, stopper sliding connection is on the guide block.

Through adopting above-mentioned technical scheme, the guide block sets up in the pull rod, and the guide block plays spacing and direction effect to the slip of stopper, makes the stopper can remove along installation pole length direction, does not rotate along with the installation pole.

Further, a limiting ring is fixedly arranged on the outer side wall of the pull rod, the pipe sleeve is connected between the fixed block and the limiting ring in a sliding mode, a spring is sleeved on the outer side wall of the pull rod, one end of the spring is fixedly connected to the limiting ring, and one end of the spring, far away from the limiting ring, is fixedly connected to the side wall of the pipe sleeve.

Through adopting above-mentioned technical scheme, the pipe box removes between spacing ring and fixed block, prevents that the pipe box from droing, and the spring setting is between spacing ring and pipe box, moves the pipe box to being close to drawing subassembly one side, when needing to remove the pipe box and produce vibrations through the pull rod, to the pipe box to the fixed block direction application of force, and under the tension effect of spring, messenger's pipe box striking fixed block to produce vibrations.

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

1. the limiting blocks are connected to the two ends of the mounting rod through threads, so that the position of the limiting blocks on the mounting rod can be adjusted, the limiting blocks move in the direction away from the mounting rod, and the effect that the limiting blocks abut against the side wall of the bearing is facilitated;

2. the adjusting rod connected in the pull rod in a rotating mode can drive the first bevel gear to rotate, and therefore the mounting rod is driven to rotate through the second bevel gear, the second driving gear and the first driving gear;

3. through the setting of the guide block of setting in the pull rod, can play the effect of playing spacing and direction effect to the removal of stopper.

Drawings

FIG. 1 is a schematic illustration in the background art;

FIG. 2 is a schematic view of the overall structure for embodying the bearing pulling apparatus in the embodiment;

FIG. 3 is a schematic sectional view for embodying the bearing drawing apparatus in the embodiment;

FIG. 4 is an enlarged view at A in FIG. 3;

fig. 5 is a schematic partial cross-sectional view of an embodiment for embodying the inside of the tie rod.

In the figure, 1, a pull rod; 11. pipe sleeve; 12. a fixed block; 2. a drawing assembly; 201. mounting a rod; 202. an opening; 203. a limiting block; 21. a guide block; 22. adjusting a rod; 23. a first bevel gear; 24. a second bevel gear; 25. driving a gear I; 26. driving a gear II; 27. a connecting rod; 28. a hand wheel; 3. a limiting ring; 31. a spring; 4. and (4) screws.

Detailed Description

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

Example (b):

a bearing drawing device is shown in figures 2 and 3 and comprises a pull rod 1, a pipe sleeve 11 connected to the pull rod 1 in a sliding mode, and a fixing block 12 arranged at one end of the pull rod 1, wherein a drawing assembly 2 is arranged at one end, far away from the fixing block 12, of the pull rod 1, and the drawing assembly 2 is matched with the side wall of a bearing to take the bearing out of a material roller.

As shown in fig. 4, the drawing assembly 2 includes an installation rod 201 disposed in the connection rod 27, an opening 202 disposed on the connection rod 27 and located at two ends of the installation rod 201, and two limit blocks 203 connected at two ends of the installation rod 201, wherein the limit blocks 203 are located at the opening 202, two ends of the installation rod 201 are threaded, two ends of the installation rod 201 are opposite in thread direction, and the two limit blocks 203 are respectively threaded at two ends of the thread of the installation rod 201.

As shown in fig. 4 and 5, a first driving gear 25 is sleeved on the mounting rod 201, the first driving gear 25 is welded in the middle of the mounting rod 201, a second driving gear 26 is rotatably connected in the pull rod 1, the first driving gear 25 is meshed with the second driving gear 26, a connecting rod 27 is fixedly welded on one side of the second driving gear 26, a second bevel gear 24 is welded on one side of the connecting rod 27 far away from the second driving gear 26, and the second driving gear 26 and the second bevel gear 24 rotate coaxially.

As shown in fig. 4 and 5, an adjusting rod 22 is rotatably connected in the pull rod 1, a first bevel gear 23 is fixedly welded at one end of the adjusting rod 22 close to the mounting rod 201, the first bevel gear 23 is coaxially arranged with the adjusting rod 22, and the first bevel gear 23 is meshed with a second bevel gear 24.

As shown in fig. 4 and 5, the smallest outer diameter of the second bevel gear 24 is larger than the largest outer diameter of the second drive gear 26, and the first bevel gear 23 is located above the second drive gear 26.

As shown in fig. 3 and 4, one end of the adjusting rod 22, which is far away from the mounting rod 201, is arranged outside the pull rod 1, and one end of the adjusting rod 22, which is far away from the mounting rod 201, is fixedly welded with a hand wheel 28.

As shown in fig. 4 and 5, when the bearing needs to be taken out of the material roller, one end of the pulling assembly 2 is inserted into the middle of the bearing, the limiting block 203 is located in the pull rod 1, and then the hand wheel 28 is rotated, so that the hand wheel 28 drives the adjusting rod 22 to rotate relative to the pull rod 1.

As shown in fig. 4 and 5, when the adjusting lever 22 rotates, the first bevel gear 23 is driven by the adjusting lever 22 to rotate, and the second bevel gear 24 meshed with the first bevel gear 23 rotates, and the second bevel gear 24 rotates to drive the second driving gear 26 to rotate through the connecting rod 27 and drive the first driving gear 25 meshed with the second driving gear 26 to rotate.

As shown in fig. 4 and 5, the first driving gear 25 rotates to drive the mounting rod 201 fixedly welded with the first driving gear to rotate in the pull rod 1, and at the same time, the threads on the mounting rod 201 rotate.

As shown in fig. 4 and 5, two guide blocks 21 are arranged in the pull rod 1 on one side of the threaded rod close to the pipe sleeve 11 and matched with the limiting blocks 203, the limiting blocks 203 are connected to the guide blocks 21 in a sliding manner, and when the mounting rod 201 rotates, the two limiting blocks 203 on the mounting rod 201 move towards two ends deviating from each other along the length direction of the guide blocks 21 until the two limiting blocks 203 leave the pull rod 1 from the opening 202.

As shown in fig. 3 and 4, at this time, one side of the two limit blocks 203 close to the handwheel 28 is abutted against the side wall of the bearing.

As shown in fig. 4 and 5, a limiting ring 3 is fixedly welded on the outer side wall of the pull rod 1, a pipe sleeve 11 is slidably connected on the outer side wall of the pull rod 1 and located between the fixed block 12 and the limiting ring 3, a spring 31 is sleeved on the outer side wall of the pull rod 1, one end of the spring 31 is welded on the side wall of the limiting ring 3, and the other end of the spring 31 is welded on the side wall of the pipe sleeve 11.

As shown in fig. 4 and 5, a worker pulls the pull rod 1 to enable the limiting block 203 to generate an outward pulling force on the bearing, and then the sleeve 11 continuously impacts the fixing block 12 to enable the pull rod 1 to generate vibration, so that the bearing is taken out of the material roller.

As shown in fig. 4 and 5, in order to generate a larger vibration and to facilitate the removal of the bearing, the pipe sleeve 11 is moved toward the retainer ring 3, the spring 31 is compressed, the pipe sleeve 11 is pulled toward the fixing block 12 by applying a force, and the force applied to the fixing block 12 by the pipe sleeve 11 is larger by the tension of the spring 31, so that the bearing can be conveniently removed.

The specific implementation process comprises the following steps: one end of the pull rod 1, where the pulling assembly 2 is located, is inserted into a bearing, a hand wheel 28 is rotated, the hand wheel 28 drives the adjusting rod 22 to rotate, a first bevel gear 23 on the adjusting rod 22 rotates to drive a second bevel gear 24 meshed with the adjusting rod to rotate, the second bevel gear 24 drives a second driving gear 26 coaxial with the second bevel gear to rotate, the second driving gear 26 drives a first driving gear 25 meshed with the second bevel gear to rotate, so that the mounting rod 201 is driven to rotate, the mounting rod 201 can drive the limiting blocks 203 in threaded connection with two ends of the mounting rod 201 to move in a back-away direction when rotating, so that the limiting blocks 203 abut against the side wall of the bearing, an outward pulling force is applied to the pull rod 1, and the bearing is taken out of the material roller through multiple times of vibration between.

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 bearing drawing device, includes pull rod (1), pipe box (11) of sliding connection on pull rod (1), sets up fixed block (12) in pull rod (1) one end, its characterized in that: keep away from fixed block (12) one end on pull rod (1) and be equipped with and draw subassembly (2), draw subassembly (2) including setting up installation pole (201) in connecting rod (27), set up opening (202) that lie in installation pole (201) both ends on connecting rod (27), connect two stopper (203) at installation pole (201) both ends, stopper (203) are located opening (202) department, installation pole (201) both ends setscrew thread, installation pole (201) both ends screw thread opposite direction, two stopper (203) threaded connection is at installation pole (201) both ends respectively.

2. A bearing pulling apparatus according to claim 1, wherein: the pull rod (1) is rotatably connected with an adjusting rod (22), one end of the adjusting rod (22) close to the installation rod (201) is fixedly connected with a first bevel gear (23), the adjusting rod (22) and the first bevel gear (23) are coaxially arranged, and the first bevel gear (23) is connected with the installation rod (201).

3. A bearing pulling apparatus according to claim 2, wherein: one side of the first bevel gear (23) is provided with a second bevel gear (24) matched with the first bevel gear (23), the second bevel gear (24) is rotatably connected in the pull rod (1), the first bevel gear (23) is meshed with the second bevel gear (24), and the first bevel gear (23) is connected with the mounting rod (201) through the second bevel gear (24).

4. A bearing pulling apparatus according to claim 3, wherein: the fixed cover is equipped with drive gear (25) on installation pole (201), the internal rotation of pull rod (1) is connected with drive gear two (26), drive gear two (26) are located drive gear one (25) and keep away from installation pole (201) one side, drive gear one (25) with drive gear two (26) meshing, bevel gear two (24) and drive gear two (26) coaxial rotation.

5. The bearing drawing device according to claim 4, wherein: one side of the second driving gear (26) is fixedly connected with a connecting rod (27), and one end, far away from the second driving gear (26), of the connecting rod (27) is fixedly connected with the second bevel gear (24).

6. The bearing drawing device according to claim 4, wherein: the smallest outer diameter of the second bevel gear (24) is larger than the largest outer diameter of the second driving gear (26), and the first bevel gear (23) is positioned above the second driving gear (26).

7. A bearing pulling apparatus according to claim 2, wherein: the adjusting rod (22) is far away from one end of the mounting rod (201) and is arranged on the outer side of the pull rod (1), and the adjusting rod (22) is far away from one end of the mounting rod (201) and is fixedly connected with a hand wheel (28).

8. A bearing pulling apparatus according to claim 1, wherein: two guide blocks (21) are arranged on one side, close to the pipe sleeve (11), of the threaded rod in the pull rod (1) and matched with the limiting block (203), and the limiting block (203) is connected to the guide blocks (21) in a sliding mode.

9. A bearing pulling apparatus according to claim 1, wherein: fixed spacing ring (3) that are equipped with on pull rod (1) lateral wall, pipe box (11) sliding connection is between fixed block (12) and spacing ring (3), the cover is equipped with spring (31) on pull rod (1) lateral wall, spring (31) one end fixed connection is on spacing ring (3), spacing ring (3) one end fixed connection is kept away from in spring (31) on pipe box (11) lateral wall.