CN112620695A

CN112620695A - Automatic punching equipment of flowing water type axle bush convenient to change drill bit

Info

Publication number: CN112620695A
Application number: CN202011431021.0A
Authority: CN
Inventors: 严国敏
Original assignee: Anhui Keda Automobile Bearing Co ltd
Current assignee: Anhui Keda Automobile Bearing Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-04-09
Anticipated expiration: 2040-12-07
Also published as: CN112620695B

Abstract

The invention discloses a flowing water type bearing bush automatic punching device convenient for drill bit replacement, which comprises a bottom plate, an upper cover plate and a connecting column, wherein the top of the bottom plate is provided with a clamping groove, the top of the clamping groove is fixedly connected with a supporting column, the top of the supporting column is fixedly provided with a workbench, the top of the workbench is fixedly provided with a fixed die, the top of the fixed die is provided with a leak hole, and the top of the bottom plate is provided with a sliding groove. This automatic punching equipment of flowing water type axle bush convenient to change drill bit, it slides into the spacing groove through the stabilizer bar and installs the drill bit body to grasp the drill bit body, rotate the drill bit body and change over into the fixed slot with the stabilizer bar after that, come to carry out spacing fixed to the drill bit body, spacing spring and steadying plate through setting up, make the stabilizer bar get into in the fixed slot more easily, carry out very big simplification with this step of changing the drill bit with the workman, the effectual change drill bit that has reduced is to the influence of production, and make the individual change of workman more convenient.

Description

Automatic punching equipment of flowing water type axle bush convenient to change drill bit

Technical Field

The invention relates to the technical field of automatic punching equipment, in particular to flowing water type bearing bush automatic punching equipment convenient for bit replacement.

Background

The bearing bush is a part of the sliding bearing contacted with the shaft neck, is in a bush-shaped semi-cylindrical surface, is very smooth, is generally made of wear-resistant materials such as bronze, antifriction alloy and the like, can be made of wood, engineering plastics or rubber under special conditions, has an integral type and a split type, is generally called as a shaft sleeve, and has an oil groove or an oil groove. Bearing bush and axle journal adopt clearance fit, generally do not rotate along with the axle, need use automatic punching equipment to reach streamlined production when putting the bearing bush into production, but current automatic punching equipment of streamlined bearing bush still has certain defect, just for example:

1. the conventional automatic flow-type bearing bush punching equipment is easy to cause drill bit fracture in daily use due to various conditions, and common automatic punching equipment is relatively complicated in the step of replacing the drill bit, so that great influence is caused on the production speed of workers, great inconvenience is brought to the maintenance of the workers, and certain use defects exist;

2. waste scraps generated by the prior flowing water type automatic bearing bush punching equipment are directly remained in a workbench or a fixed die when the equipment is used in daily life, great hidden danger is left for subsequent operation of workers, and the appearance of the waste scraps accumulated on the workbench is very influenced, so that inconvenience is brought to operation of a user;

3. the rejection rate of the drill bit that current automatic punching equipment of flowing water type axle bush is to is higher, generally need run to the locker room when the workman changes the drill bit and go to special the extraction, very influences workman's maintenance efficiency to because the less workman of drill bit very leads to the drill bit to lose when changing easily.

Aiming at the problems, innovative design is urgently needed on the basis of the structure of the original flowing water type bearing bush automatic punching equipment.

Disclosure of Invention

The invention aims to provide a running water type automatic bearing bush punching device convenient for replacing a drill bit, to solve the problems that the drill bit is easy to break due to various conditions in daily use and the general automatic punching equipment has more complicated steps for replacing the drill bit, greatly influences the production speed of workers, brings great inconvenience to the maintenance of the workers, the scraps produced by the bearing bush are directly remained in the workbench or the fixed die in daily use, great hidden trouble is left for the subsequent operation of workers, the appearance is very influenced by the scraps accumulated on the workbench, the disability rate of drill bit to be higher, generally need run to the locker room when the workman changes the drill bit and remove special the extraction, very influence workman's maintenance efficiency to because the less workman of drill bit very leads to the problem that the drill bit is lost when changing easily.

In order to achieve the purpose, the invention provides the following technical scheme: a water-flowing type bearing bush automatic punching device convenient for replacing a drill bit comprises a bottom plate, an upper cover plate and a connecting column, wherein the top of the bottom plate is provided with a clamping groove, the top of the clamping groove is fixedly connected with a supporting column, the top of the supporting column is fixedly provided with a workbench, the top of the workbench is fixedly provided with a fixed die, the top of the fixed die is provided with a leakage hole, the top of the bottom plate is provided with a sliding groove, the top of the sliding groove is movably provided with a sliding block, the top of the sliding block is fixedly connected with a recovery box, the end part of the recovery box is fixedly provided with a connecting rod, the lateral side of the connecting rod is fixedly provided with a metal handle, the top of the workbench is provided with a fixed hole, the top of the workbench is fixedly connected with a supporting rod, the top of the supporting rod is fixedly provided, and the outer wall of the fixing bolt is movably provided with a stabilizing block, the top of the workbench is fixedly connected with a fixing bracket, the top of the fixing bracket is provided with a mounting groove, the top of the mounting groove is movably connected with a motor, the end part of the motor is movably provided with a fastening belt, the bottom of the upper cover plate is fixedly connected with a fixing plate, the lateral side of the fixing plate is fixedly provided with a bearing, the inner wall of the bearing is fixed with a rolling shaft, the end part of the rolling shaft is fixedly connected with an electric push rod, the bottom of the electric push rod is fixedly provided with a fixing block, the bottom of the fixing block is fixedly provided with a limiting spring, the bottom of the limiting spring is fixedly connected with a stabilizing plate, the bottom of the stabilizing plate is movably connected with a drill bit body, the lateral side of the drill bit body is fixedly, the bottom fixedly connected with limiting plate of workstation, the tip fixed mounting of spliced pole places the box, and the top of placing the box is fixed with the rubber partition, the avris fixedly connected with fixture block of placing the box, and the bottom swing joint of fixture block has the guard plate to the tip fixedly connected with hinge of guard plate.

Preferably, the bottom plate passes through the draw-in groove and constitutes the block structure with the support column, and the inside dimension of draw-in groove is identical completely with the outside dimension of support column to the quantity of support column is 4, and 4 every 2 of support column are 1 group moreover, and 2 groups of support column use the perpendicular bisector of workstation as symmetry axis symmetry setting.

Preferably, the sliding block and the bottom plate form a sliding structure through the sliding groove, and the bottom of the sliding block is attached to the inner surface of the bottom plate.

Preferably, the bottom of the motor is connected with the top of the fixing bracket through the mounting groove, and the outer dimension of the motor is completely matched with the inner dimension of the mounting groove.

Preferably, the outer wall of the rolling shaft is fixedly connected with the inner wall of the bearing, and the rolling shaft and the fixing plate form a rotating structure through the bearing.

Preferably, the end of the fixing bolt passes through the top of the stabilizing block and extends to the bottom of the stabilizing block, the end of the fixing bolt is connected with the internal thread of the connecting block, and the stabilizing block is connected with the connecting block through the fixing bolt.

Preferably, the top of the limiting plate is connected with the bottom of the workbench, the limiting plate is arranged in an inclined mode, and the limiting plate and the workbench form an integrated structure.

Preferably, the quantity of spacing spring is 4, and every 2 of 4 spacing springs are 1 group to 2 groups of spacing springs use the perpendicular bisector of steadying plate to set up as symmetry axis symmetry, and steadying plate passes through spacing spring and fixed block constitution elastic construction moreover.

Preferably, the number of the stabilizer bars is 4, and the 4 stabilizer bars are annularly and equidistantly arranged on the edge side of the drill bit body, and the drill bit body and the stabilizer bars form an integrated structure.

Preferably, the tip of guard plate and the tip fixed connection of hinge, and the guard plate pass through the hinge and place the box and constitute rotating-structure to the guard plate passes through the fixture block and places the box and constitute the block structure.

Compared with the prior art, the invention has the beneficial effects that: the automatic punching equipment of the flowing water type bearing bush convenient for replacing the drill bit;

1. the drill bit is characterized in that a fixing block consisting of a limiting groove, a limiting spring, a stabilizing plate and a fixing groove is arranged, the drill bit body is grasped and slides into the limiting groove through a stabilizing rod to mount the drill bit body, then the drill bit body is rotated to transfer the stabilizing rod into the fixing groove to limit and fix the drill bit body, and the stabilizing rod can more easily enter the fixing groove through the limiting spring and the stabilizing plate, so that the step of replacing the drill bit by a worker is greatly simplified, the influence of replacing the drill bit on production is effectively reduced, and the replacement of the worker is more convenient;

2. the integrated fixed die and the workbench are arranged, the drill bit body descends to drill a bearing bush in the fixed die, drilled waste scraps flow to the lower part of the workbench through the leakage hole and the fixed hole, and slide into the recovery box through the limiting plate which is obliquely arranged, so that the situation that the waste scraps are remained in the workbench and the fixed die is greatly avoided, the operation safety of workers is improved to a certain extent, the attractiveness of the workbench is greatly improved, and the practicability of the device is further improved;

3. be provided with the hinge, the guard plate, the fixture block, the box of placing that rubber baffle and spliced pole are constituteed, it separates it and fixture block to grasp the rotation that the guard plate passes through the hinge, take out the drill bit body from the rubber baffle avris, through the rubber baffle who sets up, make difficult the collision that takes place between the drill bit body, through the box of placing that sets up, make the workman connect when the maintenance take out the drill bit body from placing the box and do not need to run to get special in the locker room and remove and draw, very big increase workman's maintenance efficiency, and the workman can be special deposit to the drill bit body, the condition of having avoided the drill bit body to lose when the maintenance takes place, and then it is convenient.

Drawings

FIG. 1 is a schematic cross-sectional structural view of the present invention;

FIG. 2 is a side cross-sectional structural schematic view of the present invention;

FIG. 3 is a schematic top view of the lower cover plate of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic top sectional view of the fixing block of the present invention;

FIG. 6 is a side cross-sectional structural view of a fixing block of the present invention;

FIG. 7 is a schematic top view of the worktable of the present invention.

In the figure: 1. a base plate; 2. a card slot; 3. a support pillar; 4. a work table; 5. a chute; 6. a slider; 7. a recovery box; 8. a connecting rod; 9. a metal grip; 10. fixing the mold; 11. a leak hole; 12. a fixing hole; 13. a support bar; 14. a lower cover plate; 15. fixing a bracket; 16. mounting grooves; 17. a motor; 18. a fastening tape; 19. a roll axis; 20. a bearing; 21. a fixing plate; 22. an upper cover plate; 23. a stabilizing block; 24. connecting blocks; 25. fixing the bolt; 26. a limiting plate; 27. an electric push rod; 28. a fixed block; 29. a limiting spring; 30. a stabilizing plate; 31. a drill bit body; 32. a stabilizer bar; 33. fixing grooves; 34. connecting columns; 35. placing the box; 36. a rubber partition plate; 37. a hinge; 38. a protection plate; 39. a clamping block; 40. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a water-flowing type bearing bush automatic punching device convenient for replacing a drill bit comprises a bottom plate 1, a clamping groove 2, a supporting column 3, a workbench 4, a sliding groove 5, a sliding block 6, a recovery box 7, a connecting rod 8, a metal handle 9, a fixing die 10, a leakage hole 11, a fixing hole 12, a supporting rod 13, a lower cover plate 14, a fixing support 15, a mounting groove 16, a motor 17, a fastening belt 18, a rolling shaft 19, a bearing 20, a fixing plate 21, an upper cover plate 22, a stabilizing block 23, a connecting block 24, a fixing bolt 25, a limiting plate 26, an electric push rod 27, a fixing block 28, a limiting spring 29, a stabilizing plate 30, a drill bit body 31, a stabilizing rod 32, a fixing groove 33, a connecting column 34, a placing box 35, a rubber partition plate 36, a hinge 37, a protecting plate 38, a clamping block 39 and a limiting groove 40, wherein the clamping groove 2 is formed in the top of the bottom plate 1, and the top of the worktable 4 is fixed with a fixed die 10, and the top of the fixed die 10 is provided with a leak hole 11, the top of the bottom plate 1 is provided with a chute 5, and the top of the chute 5 is movably provided with a slide block 6, and the top of the slide block 6 is fixedly connected with a recovery box 7, and the end of the recovery box 7 is fixedly provided with a connecting rod 8, and the side of the connecting rod 8 is fixed with a metal handle 9, the top of the worktable 4 is provided with a fixed hole 12, the top of the worktable 4 is fixedly connected with a support rod 13, and the top of the support rod 13 is fixedly provided with a lower cover plate 14, and the side of the lower cover plate 14 is fixedly connected with a connecting block 24, and the inner wall of the connecting block 24 is movably connected with a fixed bolt 25, and the outer wall of the fixed bolt 25 is movably provided with a stabilizing block 23, and the top of the mounting groove 16 is movably connected with a motor 17, and the end of the motor 17 is movably mounted with a fastening belt 18, the bottom of the upper cover plate 22 is fixedly connected with a fixing plate 21, and the side of the fixing plate 21 is fixedly mounted with a bearing 20, and the inner wall of the bearing 20 is fixed with a rolling shaft 19, and the end of the rolling shaft 19 is fixedly connected with an electric push rod 27, the bottom of the electric push rod 27 is fixedly mounted with a fixing block 28, and the bottom of the fixing block 28 is fixed with a limit spring 29, and the bottom of the limit spring 29 is fixedly connected with a stabilizing plate 30, and the bottom of the stabilizing plate 30 is movably connected with a drill bit body 31, and the side of the drill bit body 31 is fixedly mounted with a stabilizing rod 32, the bottom of the fixing block 28 is provided with a limit groove 40, the inside of the fixing block 28 is, and the top of the placing box 35 is fixed with a rubber partition plate 36, the side of the placing box 35 is fixedly connected with a clamping block 39, the bottom of the clamping block 39 is movably connected with a protection plate 38, and the end part of the protection plate 38 is fixedly connected with a hinge 37.

The bottom plate 1 and the support columns 3 form a clamping structure through the clamping grooves 2, the internal size of each clamping groove 2 is completely matched with the external size of each support column 3, the number of the support columns 3 is 4, 2 of the 4 support columns 3 are 1 group, the 2 groups of the support columns 3 are symmetrically arranged by taking the perpendicular bisector of the workbench 4 as a symmetry axis, the fixing effect of the support columns 3 is better through the bottom plate 1 and the support columns 3 which are arranged into the clamping structure, and the supporting effect of the support columns 3 on the workbench 4 is better through the support columns 3 which are arranged into bilateral symmetry;

the sliding block 6 and the bottom plate 1 form a sliding structure through the sliding chute 5, the bottom of the sliding block 6 is attached to the inner surface of the bottom plate 1, and the sliding block 6 and the bottom plate 1 which are arranged into the sliding structure enable the recovery box 7 to be convenient for a worker to draw out and pour after being filled with the recovery box;

the bottom of the motor 17 is connected with the top of the fixed support 15 through the mounting groove 16, the external size of the motor 17 is completely matched with the internal size of the mounting groove 16, and the external size of the motor 17 is set to be completely matched with the internal size of the mounting groove 16, so that the motor 17 has a better rotating effect and is not easy to fall off;

the outer wall of the rolling shaft 19 is fixedly connected with the inner wall of the bearing 20, the rolling shaft 19 and the fixing plate 21 form a rotating structure through the bearing 20, and the position of the fastening belt 18 is not easy to deviate when the rolling shaft 19 is driven to rotate by the rolling shaft 19 and the fixing plate 21 which are set into the rotating structure;

the end of the fixing bolt 25 passes through the top of the stabilizing block 23 and extends to the bottom of the stabilizing block 23, the end of the fixing bolt 25 is connected with the inner thread of the connecting block 24, the stabilizing block 23 is connected with the connecting block 24 through the fixing bolt 25, and the fixing bolt 25 is arranged to pass through the stabilizing block 23, so that the closing effect between the upper cover plate 22 and the lower cover plate 14 is better;

the top of the limiting plate 26 is connected with the bottom of the workbench 4, the limiting plate 26 is arranged in an inclined manner, the limiting plate 26 and the workbench 4 form an integrated structure, the waste scraps are enabled to flow into the recovery box 7 conveniently by arranging the limiting plate 26 in an inclined state, and the limiting plate 26 is enabled not to fall off easily when limiting the waste scraps through the limiting plate 26 and the workbench 4 which are arranged in the integrated structure;

the number of the limiting springs 29 is 4, 2 of each of the 4 limiting springs 29 is 1 group, the 2 groups of limiting springs 29 are symmetrically arranged by taking a perpendicular bisector of the stabilizing plate 30 as a symmetry axis, the stabilizing plate 30 and the fixing block 28 form an elastic structure through the limiting springs 29, and the limiting springs 29 are arranged in bilateral symmetry, so that the limiting springs 29 can drive the stabilizing plate 30 to limit the stabilizing rod 32 more stably;

the number of the stabilizer bars 32 is 4, the 4 stabilizer bars 32 are annularly arranged on the side of the bit body 31 at equal intervals, the bit body 31 and the stabilizer bars 32 form an integrated structure, and the bit body 31 is convenient for workers to replace through the stabilizer bars 32 and the bit body 31 which are arranged into the integrated structure;

the tip of guard plate 38 and the tip fixed connection of hinge 37, and guard plate 38 constitutes rotating-structure through hinge 37 with placing box 35 to guard plate 38 constitutes the block structure through fixture block 39 with placing box 35, through the guard plate 38 that sets to the block structure with place box 35, makes and places the inside drill bit body 31 of box 35 when not using and is difficult for receiving the influence of dust.

The working principle is as follows: when the automatic punching equipment for the water-flowing type bearing bush convenient for bit replacement is used, according to the figures 1, 2, 3 and 7, an upper cover plate 22 is grasped and placed at the top of a lower cover plate 14, a fixing bolt 25 is rotated to close a space between a stabilizing block 23 and a connecting block 24, a motor 17 in a mounting groove 16 at the top of a fixing support 15 is opened, the motor 17 rotates to enable a fastening belt 18 to drive a rolling shaft 19 to rotate in a bearing 20 in a fixing plate 21, so that a bit body 31 rotates, the bearing bush needing to be punched is placed in a fixing die 10, an electric push rod 27 descends to drive the bit body 31 to descend to punch the bearing bush, punched waste scraps flow to the bottom of a working table 4 through a leakage hole 11 and a fixing hole 12, and finally slide into a recovery box 7 through a limiting plate 26;

according to fig. 1, 2, 4, 5 and 6, when the bit body 31 is damaged, the bit body 31 is grasped and lifted up so that the stopper spring 29 and the stabilizer plate 30 rise and the stabilizer bar 32 moves out of the fixing groove 33, then the bit body 31 is rotated by an angle so that the stabilizer bar 32 is aligned with the stopper groove 40 and the bit body 31 is disassembled by sliding the stabilizer bar 32 out of the stopper groove 40, then the protection plate 38 is grasped, the protection plate 38 is separated from the latch 39 by the rotation of the hinge 37, then the bit body 31 is taken out of the placing box 35 beside the rubber partition 36, the stabilizer bar 32 is aligned with the stopper groove 40 and slid into the fixing block 28 through the stopper groove 40, the bit body 31 is rotated so that the stabilizer bar 32 is aligned with the fixing groove 33, the stabilizer bar 32 is latched into the fixing groove 33 by the stopper spring 29 and the stabilizer plate 30,

according to fig. 1 and 2, when the recovery box 7 is filled with scraps, the recovery box 7 is moved by holding the metal grip 9 through the connecting rod 8, and the recovery box 7 is moved by the sliding block 6 through the sliding groove 5 at the top of the bottom plate 1, so that the worker takes out the recovery box 7 from the middle of the supporting column 3.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic punching equipment of flowing water type axle bush convenient to change drill bit, includes bottom plate (1), upper cover plate (22) and spliced pole (34), its characterized in that: the top of the bottom plate (1) is provided with a clamping groove (2), the top of the clamping groove (2) is fixedly connected with a supporting column (3), the top of the supporting column (3) is fixedly provided with a workbench (4), the top of the workbench (4) is fixedly provided with a fixed die (10), the top of the fixed die (10) is provided with a leak hole (11), the top of the bottom plate (1) is provided with a sliding groove (5), the top of the sliding groove (5) is movably provided with a sliding block (6), the top of the sliding block (6) is fixedly connected with a recovery box (7), the end part of the recovery box (7) is fixedly provided with a connecting rod (8), the side of the connecting rod (8) is fixedly provided with a metal grip (9), the top of the workbench (4) is provided with a fixing hole (12), the top of the workbench (4) is fixedly connected with a supporting rod (13), and the top of the supporting rod, and the avris fixedly connected with connecting block (24) of apron (14) down, and the inner wall swing joint of connecting block (24) has fixing bolt (25), and the outer wall movable mounting of fixing bolt (25) has stable piece (23), the top fixedly connected with fixed bolster (15) of workstation (4), and the top of fixed bolster (15) has seted up mounting groove (16), and the top swing joint of mounting groove (16) has motor (17), and the tip movable mounting of motor (17) has fastening area (18), the bottom fixedly connected with fixed plate (21) of upper cover plate (22), and the avris fixed mounting of fixed plate (21) has bearing (20), and the inner wall of bearing (20) is fixed with roll shaft (19), and the tip fixedly connected with electric putter (27) of roll shaft (19), the bottom fixed mounting of electric putter (27) has fixed block (28), a limiting spring (29) is fixed at the bottom of the fixing block (28), a stabilizing plate (30) is fixedly connected at the bottom of the limiting spring (29), the bottom of the stabilizing plate (30) is movably connected with a drill body (31), the side of the drill body (31) is fixedly provided with a stabilizing rod (32), the bottom of the fixing block (28) is provided with a limiting groove (40), the inside of the fixing block (28) is provided with a fixing groove (33), the bottom of the workbench (4) is fixedly connected with a limiting plate (26), the end part of the connecting column (34) is fixedly provided with a placing box (35), a rubber partition plate (36) is fixed at the top of the placing box (35), a clamping block (39) is fixedly connected with the edge side of the placing box (35), and the bottom of the clamping block (39) is movably connected with a protective plate (38), and the end part of the protective plate (38) is fixedly connected with a hinge (37).

2. The automatic punching equipment for the flowing water type bearing bush convenient for bit replacement according to claim 1, is characterized in that: bottom plate (1) constitutes the block structure through draw-in groove (2) and support column (3), and the inside dimension of draw-in groove (2) is identical completely with the outside dimension of support column (3) to the quantity of support column (3) is 4, and 4 every 2 of support column (3) are 1 group moreover, and 2 perpendicular bisectors that group support column (3) used workstation (4) are symmetry axis symmetry setting.

3. The automatic punching equipment for the flowing water type bearing bush convenient for bit replacement according to claim 1, is characterized in that: the sliding block (6) and the bottom plate (1) form a sliding structure through the sliding groove (5), and the bottom of the sliding block (6) is attached to the inner surface of the bottom plate (1).

4. The automatic punching equipment for the flowing water type bearing bush convenient for bit replacement according to claim 1, is characterized in that: the bottom of the motor (17) is connected with the top of the fixed support (15) through the mounting groove (16), and the external size of the motor (17) is completely matched with the internal size of the mounting groove (16).

5. The automatic punching equipment for the flowing water type bearing bush convenient for bit replacement according to claim 1, is characterized in that: the outer wall of the rolling shaft (19) is fixedly connected with the inner wall of the bearing (20), and the rolling shaft (19) and the fixing plate (21) form a rotating structure through the bearing (20).

6. The automatic punching equipment for the flowing water type bearing bush convenient for bit replacement according to claim 1, is characterized in that: the end of the fixing bolt (25) passes through the top of the stabilizing block (23) and extends to the bottom of the stabilizing block (23), the end of the fixing bolt (25) is connected with the inner thread of the connecting block (24), and the stabilizing block (23) is connected with the connecting block (24) through the fixing bolt (25).

7. The automatic punching equipment for the flowing water type bearing bush convenient for bit replacement according to claim 1, is characterized in that: the top of the limiting plate (26) is connected with the bottom of the workbench (4), the limiting plate (26) is obliquely arranged, and the limiting plate (26) and the workbench (4) form an integrated structure.

8. The automatic punching equipment for the flowing water type bearing bush convenient for bit replacement according to claim 1, is characterized in that: the quantity of spacing spring (29) is 4, and every 2 of 4 spacing springs (29) are 1 group to 2 groups of spacing springs (29) use the perpendicular bisector of steadying plate (30) to set up as symmetry axis symmetry, and steadying plate (30) constitute elastic construction through spacing spring (29) and fixed block (28).

9. The automatic punching equipment for the flowing water type bearing bush convenient for bit replacement according to claim 1, is characterized in that: the number of stabilizer bars (32) is 4, and 4 stabilizer bars (32) are the avris of the setting of annular equidistance in bit body (31) to bit body (31) and stabilizer bar (32) constitute integrated configuration.

10. The automatic punching equipment for the flowing water type bearing bush convenient for bit replacement according to claim 1, is characterized in that: the end part of the protection plate (38) is fixedly connected with the end part of the hinge (37), the protection plate (38) forms a rotating structure with the placing box (35) through the hinge (37), and the protection plate (38) forms a clamping structure with the placing box (35) through the clamping block (39).