CN211588546U - Long-service-life easily-replaced boring machine tailstock - Google Patents

Abstract

The utility model discloses a long-lived boring machine tailstock of boring machine tailstock that easily changes, including stand and boring machine body, the stand is located boring machine body up end, and one side of stand is provided with accepts the board, and the one side of accepting the board is provided with the mount, is provided with the bearing box in the mount, and the dead eye has been seted up to the both sides lateral wall symmetry of bearing box, and the fixed plane bearing that is provided with in one side of dead eye, the fixed tapered roller bearing that is provided with of the other end of dead eye, one side hinged joint who accepts the board is kept away from to the mount has the lid. One side of the cover body, which is far away from the bearing box, is provided with a fixing bolt, and the fixing bolt penetrates through the cover body and the fixing frame in threaded connection. The utility model discloses rational in infrastructure uses plane bearing and tapered roller bearing transmission, has increased the rigidity and has supported, increase of service life improves the use accuracy, and bearing box detachable design makes the change more convenient, has reduced the change time, improves work efficiency.

Description

Long-service-life easily-replaced boring machine tailstock

Technical Field

The utility model relates to the technical field of machining, in particular to boring machine tailstock that long-lived easy change.

Background

The machine tool mainly uses a boring cutter to bore the existing prefabricated hole of a workpiece. Typically, the boring tool rotation is the primary motion and the boring tool or workpiece movement is the feed motion. It is mainly used for machining high-precision holes or finishing multiple holes by one-time positioning, and can also be used for machining other machining surfaces related to hole finishing. The machining precision and the surface quality of drilling, milling and cutting can be higher than those of a drilling machine by using different tools and accessories. The boring machine body is a main device for processing large-sized box parts. Thread, machining of excircle and end face and the like.

Traditional boring machine body stand supports the end and is formed by engineering plastic processing, along with the going on of use, wearing and tearing extremely easily to lead to the boring bar location inaccurate, produce work piece machining precision inaccurate, and the support end after wearing and tearing is difficult to take out, need spend a large amount of times to change, provide a solution to below the above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a long-lived easy boring machine tailstock of changing has the high accuracy, long service life, changes convenient advantage.

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

a boring machine tailstock with long service life and easy replacement comprises an upright post and a boring machine body, wherein the upright post is positioned on the upper end surface of the boring machine body, one side surface of the upright post is provided with two slide rails, one side of the upright post, which is provided with the slide rails, is provided with a bearing plate, the bearing plate is in sliding fit with the slide rails, one side surface of the bearing plate, which is far away from the upright post, is fixedly provided with two guide rails, one side of the bearing plate is provided with a fixing frame, the fixing frame is provided with a guide groove, the guide rails are in sliding fit with the guide groove, a clamping device is fixedly arranged in the fixing frame, the clamping device is positioned on the side wall of the fixing frame, the side wall of the guide groove is provided with a fixing hole, the fixing hole penetrates through the contacted guide rails, the output end of the clamping device, the bearing box is arranged in the fixing frame, bearing holes are symmetrically formed in the side walls of the two sides of the bearing box, a plane bearing is fixedly arranged on one side of each bearing hole, a tapered roller bearing is fixedly arranged at the other end of each bearing hole, and a cover body is hinged to one side, away from the bearing plate, of the fixing frame. The fixing frame is characterized in that a clamping plate is arranged on one side of the fixing frame, a fixing bolt is arranged on one side of the clamping plate, and the fixing bolt penetrates through the clamping plate and the fixing frame to be in threaded connection.

By adopting the technical scheme, when the upright post is needed to be used, one end of the boring rod is inserted into the bearing box, one end of the bearing penetrates through the plane bearing and then is inserted into the tapered roller bearing, and finally is mutually fixed with the plane bearing and the tapered roller bearing, the two rigid bearings are used for replacing original engineering plastics, the wear-resistant performance of the bearing is increased, the service life is prolonged, and the problem of precision reduction caused by bearing wear is avoided, when the bearing is used, the slide rail on the upright post can limit the bearing plate, so that the bearing plate is more stable in the moving process, the shaking is reduced, when the service life is overlong, or the bearing needs to be checked and maintained on time, a user pulls the input end of the clamping device, the output end of the clamping device can be moved out from the fixed hole, the limit between the fixed frame and the bearing plate is taken out, and the fixed frame is pulled, the guide slot moves along the guide rail, so that the movement of the fixing frame is more stable, the fixing frame drives the bearing box to move, the boring bar is separated from a bearing in the bearing box, the trouble that the boring bar needs to be detached is avoided, the error caused by twice installation of the boring bar is avoided, the fixing bolt is opened again, the cover body is opened around the hinge, the bearing box is taken out, a new bearing box is replaced, and the replacement is completed.

Preferably, the clamping device comprises a fixed plate and a rotating rod, the rotating rod is rotatably connected with the fixed plate through a fixed rod, a connecting rod is arranged at one end of the rotating rod, the connecting rod is rotatably connected with the rotating rod, a clamping block is arranged at one end, far away from the rotating rod, of the connecting rod, the clamping block is rotatably connected with the connecting rod, limiting blocks are arranged on two sides of the clamping block, and the limiting blocks are fixedly connected with the fixed plate.

Adopt above-mentioned technical scheme, rotate the bull stick, the bull stick rotates round the dead lever, and the bull stick drives the connecting rod and removes, and the connecting rod stimulates the fixture block, because the limiting displacement of stopper for the fixture block rebound in two stoppers.

Preferably, one side of the fixed plate, which is close to the rotating rod, is provided with a stop lever, one side of the rotating rod, which is abutted against the fixed plate, is provided with a clamping groove, a torsion spring is arranged in the clamping groove, the fixed rod penetrates through the torsion spring, and the clamping groove and the stop lever fix two ends of the torsion spring.

Adopt above-mentioned technical scheme, rotate the bull stick, the draw-in groove of bull stick is to the torsional spring application of force, because the other end of torsional spring is restricted by the pin, leads to when the draw-in groove is to the torsional spring application of force, the torsional spring is compressed, produces the elasticity of a reply, when the staff removed the power to the bull stick, because the effect of torsional spring self elasticity can make the bull stick reconversion, saves the trouble of artifical recovery.

Preferably, a handle is disposed on one side of the rotating rod.

By adopting the technical scheme, the handle can better apply force when the user operates.

Preferably, the upper side and the lower side of the inside of the fixing frame are both provided with a spacer block, the upper end face and the lower end face of the bearing box are provided with corresponding spacer grooves, and the spacer grooves are clamped with the spacer blocks.

By adopting the technical scheme, the cooperation between the separation groove and the separation block ensures that the bearing box and the fixing frame are mutually limited, so that the bearing box can not shake during the operation of the boring bar to improve the stability and the working precision.

Preferably, an elastic pad is fixedly arranged on one side of the cover body facing the bearing box.

By adopting the technical scheme, the elastic pad is added to ensure that the cover body can apply force to the bearing box when being covered, so that the bearing box is prevented from shaking in use, the elasticity of the elastic pad can also play a role in protecting the bearing box, the rigid collision between the bearing box and the fixing frame is avoided, and the service life of the whole body is prolonged.

Preferably, the bottom of the fixing bolt is fixedly connected with a rotating handle.

By adopting the technical scheme, the adding of the handle enables a user to replace the bearing box without additionally using other tools, thereby avoiding delaying maintenance due to the fact that no tool can be found, enabling replacement to be more convenient and increasing efficiency.

Preferably, the outer side of one of the guide rails is symmetrically provided with a stop block, two side walls of the guide groove are provided with matched stop grooves, the stop block is positioned in the stop grooves, and the stop block is in sliding fit with the stop grooves.

By adopting the technical scheme, the stop block is matched with the baffle groove, so that the fixing frame is prevented from sliding out of the bearing plate when moving, and the limiting effect is achieved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a front sectional view;

FIG. 3 is a side sectional view;

FIG. 4 is a schematic structural view of a receiving block;

FIG. 5 is a schematic structural view of the clamping device;

FIG. 6 is an enlarged view of A;

FIG. 7 is an enlarged view of B;

fig. 8 is an enlarged view of C.

Reference numerals: 1. a column; 2. a boring machine body; 3. a slide rail; 4. a bearing plate; 5. a guide rail; 6. a fixed mount; 8. a clamping device; 9. a fixing hole; 10. a rotating groove; 12. a bearing cartridge; 13. a bearing bore; 14. a flat bearing; 15. a tapered roller bearing; 16. a cover body; 17. a splint; 18. fixing the bolt; 19. a fixing plate; 20. a rotating rod; 21. fixing the rod; 22. a connecting rod; 23. a clamping block; 24. a limiting block; 25. a stop lever; 26. a torsion spring; 27. a grip; 28. a spacer block; 29. separating the grooves; 30. turning a handle; 31. and a stop block.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 8, the boring mill tailstock with long service life and easy replacement comprises an upright post 1 and a boring mill body 2, wherein the upright post 1 is positioned on the upper end surface of the boring mill body 2, two slide rails 3 are fixedly arranged on the end surface of one end of the upright post 1, a bearing plate 4 is arranged on one side of the upright post 1, on which the slide rails 3 are fixed, and the bearing plate 4 is in sliding fit with the slide rails 3. The slide rail 3 plays a limiting role in the bearing plate 4, so that the bearing plate 4 can be more stable when moving up and down, and the shaking is reduced.

The side face of one side, far away from the upright post 1, of the bearing plate 4 is provided with two guide rails 5, one side, far away from the upright post 1, of the bearing plate 4 is provided with a fixing frame 6, the fixing frame 6 is provided with a guide groove, and the guide rails 5 are in sliding fit with the guide groove. The matching of the guide rail 5 and the guide groove can lead the fixed frame 6 to move left and right more stably. The outer side of one of the guide rails 5 is symmetrically provided with a stop block 31, two side walls of the guide groove are provided with a stop groove matched with each other, the stop block 31 is positioned in the stop groove, and the stop block 31 is in sliding fit with the stop groove. The stop block 31 is matched with the stop groove, so that the fixed frame 6 is prevented from sliding out of the bearing plate 4 when moving, and a limiting effect is achieved.

Fixing frame 6 internal fixation is provided with latch device 8, latch device 8 is located the lateral wall of seting up the guide slot, and rotation groove 10 has been seted up to fixing frame 6 up end, and latch device 8's input passes rotation groove 10, and one side of latch device 8's input is provided with handle 27, and latch device 8's input passes rotation groove 10, can let the more convenient regulation latch device 8's of user open and shut, and the handle lets the application of force that the user can be better when the operation. The side wall has seted up fixed orifices 9 on the guide slot, and fixed orifices 9 pierces through in the guide rail 5 that contacts, and latch device 8's output cooperatees with fixed orifices 9. The clamping device 8 is clamped in the fixing hole 9, so that the bearing plate 4 and the fixing frame 6 are fixed in position and cannot move. The boring bar is more stable during operation.

The fixing frame 6 is internally provided with a bearing box 12, the upper side and the lower side inside the fixing frame 6 are both provided with a spacer block 28, the upper end face and the lower end face of the bearing box 12 are provided with corresponding spacer grooves 29, and the spacer grooves 29 are clamped with the spacer blocks 28. The cooperation between the spacing groove 29 and the spacing block 28 enables the bearing box 12 and the fixing frame 6 to be mutually limited, so that the bearing box 12 does not shake during the operation of the boring bar, and the stability and the working precision are improved. Bearing holes 13 are symmetrically formed in the side walls of the two sides of the bearing box 12, a plane bearing 14 is fixedly arranged on one side of each bearing hole 13, and a tapered roller bearing 15 is fixedly arranged on the other end of each bearing hole 13. When the boring bar used is too long, the boring bar needs to be matched with the upright post 1 for use, one end of the boring bar extends into the bearing box 12, one end of the boring bar penetrates through the plane bearing 14 firstly and then contacts with the tapered roller bearing 15 until the two bearings are clamped with the boring bar, the upright post 1 can support the boring bar, the phenomenon that the boring bar is too long and can be bent is avoided, when the boring machine body 2 is started, the boring bar is driven to rotate, the boring bar can be prevented from being in direct contact with the upright post 1 through transmission of the two bearings, abrasion is reduced, the two rigid bearings are used for replacing engineering plastics, abrasion resistance of the bearings is improved, the service life is prolonged, and the problem of accuracy reduction caused by bearing abrasion is avoided.

The side of the fixing frame 6 far away from the bearing plate 4 is hinged with a cover 16. The cover body 16 has a limiting effect on the bearing box 12, the bearing box 12 is prevented from sliding out of the fixing frame 6, the cover body 16 can be separated from the fixing frame 6 through the hinged cover body 16, and the bearing box 12 is convenient to take out and replace. An elastic pad is fixedly arranged on one side of the cover body 16 facing the bearing box 12. The elastic pad on the cover body 16 can apply force to the bearing box 12 when the cover body 16 is covered, so that the bearing box 12 is prevented from shaking in use, the elasticity of the elastic pad can also play a role in protecting the bearing box 12, the rigid collision between the bearing box 12 and the fixing frame 6 is avoided, and the service life of the whole body is prolonged. The cover 16 is provided with a fixing bolt 18 on one side away from the bearing box 12, the fixing bolt 18 penetrates through the cover 16 and the fixing frame 6 to be in threaded connection, and the bottom of the fixing bolt 18 is fixedly connected with a rotating handle 30. The cover body 16 can be tightly connected with the fixing frame 6 through the fixing screws, and the addition of the rotating handle 30 enables a user to replace the bearing box 12 without additionally using other tools, so that the problem that maintenance is delayed due to the fact that tools cannot be found is avoided, replacement is more convenient, and efficiency is improved.

The clamping device 8 comprises a fixing plate 19 and a rotating rod 20, the rotating rod 20 is rotatably connected with the fixing plate 19 through a fixing rod 21, a stop lever 25 is arranged on one side, close to the rotating rod 20, of the fixing plate 19, a clamping groove is formed in one side, close to the fixing plate 19, of the rotating rod 20, a torsion spring 26 is arranged in the clamping groove, the fixing rod 21 penetrates through the torsion spring 26, and the clamping groove and the stop lever 25 fix two ends of the torsion spring 26. A connecting rod 22 is arranged at one end of the rotating rod 20, the connecting rod 22 is rotatably connected with the rotating rod 20, a clamping block 23 is arranged at one end, away from the rotating rod 20, of the connecting rod 22, the clamping block 23 is rotatably connected with the connecting rod 22, limiting blocks 24 are arranged on two sides of the clamping block 23, and the limiting blocks 24 are fixedly connected with the fixing plate 19.

When the maintenance bearing needs to be replaced, apply force to one end of the rotating rod 20, make it rotate around the fixed rod 21, when the rotating rod 20 rotates, can drive the draw-in groove to rotate, the draw-in groove rotates and can apply force to the torsional spring 26, the one end of the torsional spring 26 is fixed by the stop lever 25, make the torsional spring 26 can be compressed when the atress, produce elasticity, when the rotating rod 20 rotates, can drive the connecting rod 22 of the other end of the rotating rod 20 to move, the connecting rod 22 pulls the fixture block 23, because the fixture block 23 is spacing by two stopper blocks 24, make the connecting rod 22 come to that fixture block 23, the fixture block 23 moves up between two stopper blocks 24, make the fixture block 23 shift out the fixed port, thereby make the fixed frame 6 and the spacing between the bearing plate 4 cancelled.

The rotating rod 20 is pulled continuously, the rotating rod 20 can drive the fixing frame 6 to move towards one end far away from the boring bar along the guide rail 5, and the guide rail 5 is matched with the guide groove, so that the fixing frame 6 can move stably, and the boring bar is prevented from being bent due to shaking generated when the boring bar is separated from the bearing box 12. When the fixed mount 6 moves to separate the boring bar from the bearing box 12, the movement is stopped. The boring bar is prevented from being detached when the bearing box 12 is replaced, the labor amount of a user is reduced, and the problem that the precision is reduced due to repeated detachment of the boring bar is also avoided.

The fixing bolt 18 is rotated again, so that the cover body 16 can rotate around the fixing frame 6, the fixing frame 6 is opened, the bearing box 12 is taken out of the fixing frame 6, a new bearing box 12 is replaced, the cover body 16 is closed, the fixing bolt 18 is fixed, the fixing frame 6 is pushed back to the original position, when the two fixing holes 9 are overlapped, the clamping block 23 is clamped back into the fixing hole 9 again through the elasticity of the torsion spring 26, and the step of manually fixing the fixing frame 6 is omitted.

Claims (9)

1. A boring machine tailstock with long service life and easy replacement comprises an upright post (1) and a boring machine body (2), and is characterized in that the upright post (1) is positioned on the upper end face of the boring machine body (2), two sliding rails (3) are arranged on one side face of the upright post (1), a bearing plate (4) is arranged on one side of the upright post (1) provided with the sliding rails (3), the bearing plate (4) is in sliding fit with the sliding rails (3), two guide rails (5) are fixedly arranged on one side face of the bearing plate (4) far away from the upright post (1), a fixing frame (6) is arranged on one side of the bearing plate (4), a guide groove is arranged on the fixing frame (6), the guide rails (5) are in sliding fit with the guide groove, a clamping device (8) is fixedly arranged in the fixing frame (6), the clamping device (8) is positioned on the side wall of the fixing frame (6), and a fixing hole (9) is, the fixed orifices (9) pierce through in guide rail (5) that contact, the output and the fixed orifices (9) of latch device (8) cooperate, rotation groove (10) have been seted up to mount (6) up end, the input of latch device (8) passes rotation groove (10), be provided with bearing box (12) in mount (6), dead eye (13) have been seted up to the both sides lateral wall symmetry of bearing box (12), one side of dead eye (13) is fixed and is provided with flat bearing (14), the other end of dead eye (13) is fixed and is provided with tapered roller bearing (15), one side hinged joint that bearing plate (4) were kept away from in mount (6) has lid (16).

2. The long-life easy-to-replace tail holder of the boring machine is characterized in that a clamping plate (17) is arranged on one side of the fixing frame (6), a fixing bolt (18) is arranged on one side of the clamping plate (17), and the fixing bolt (18) penetrates through the clamping plate (17) and the fixing frame (6) to be in threaded connection.

3. The boring machine tailstock with long service life and easy replacement according to claim 1, characterized in that the clamping device (8) comprises a fixed plate (19) and a rotating rod (20), the rotating rod (20) is rotatably connected with the fixed plate (19) through a fixed rod (21), one end of the rotating rod (20) is provided with a connecting rod (22), the connecting rod (22) is rotatably connected with the rotating rod (20), one end of the connecting rod (22) far away from the rotating rod (20) is provided with a clamping block (23), the clamping block (23) is rotatably connected with the connecting rod (22), two sides of the clamping block (23) are provided with limiting blocks (24), and the limiting blocks (24) are fixedly connected with the fixed plate (19).

4. The boring machine tailstock with long service life and easy replacement according to claim 3, characterized in that a stop lever (25) is arranged on one side of the fixed plate (19) close to the rotating rod (20), a clamping groove is formed on one side of the rotating rod (20) close to the fixed plate (19), a torsion spring (26) is arranged in the clamping groove, the fixed rod (21) penetrates through the torsion spring (26), and the clamping groove and the stop lever (25) fix two ends of the torsion spring (26).

5. The tailstock of a boring machine with long service life and easy replacement according to claim 3, characterized in that a handle (27) is arranged on one side of the rotating rod (20).

6. The boring machine tailstock with long service life and easy replacement according to claim 1, characterized in that the upper and lower sides inside the fixed frame (6) are provided with spacing blocks (28), the upper and lower end surfaces of the bearing box (12) are provided with corresponding spacing grooves (29), and the spacing grooves (29) are clamped with the spacing blocks (28).

7. The tailstock of a boring machine with long service life and easy replacement according to claim 1, characterized in that an elastic cushion is fixedly arranged on one side of the cover body (16) facing the bearing box (12).

8. The tailstock of a boring machine with long service life and easy replacement according to claim 2, characterized in that a rotating handle (30) is fixedly connected to the bottom of the fixing bolt (18).

9. The boring machine tailstock with long service life and easy replacement according to claim 1, characterized in that the outside of one of the guide rails (5) is symmetrically provided with a stop block (31), two side walls of the guide groove are provided with matched stop grooves, the stop block (31) is positioned in the stop grooves, and the stop block (31) is in sliding fit with the stop grooves.

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