CN215237972U

CN215237972U - Axle housing flange drilling equipment

Info

Publication number: CN215237972U
Application number: CN202121224379.6U
Authority: CN
Inventors: 梁景俊; 张德平; 杨东洲
Original assignee: PENGLAI WANSHOU MACHINERY CO Ltd
Current assignee: PENGLAI WANSHOU MACHINERY CO Ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-21
Anticipated expiration: 2031-06-02

Abstract

The utility model belongs to the technical field of the processing equipment technique and specifically relates to an axle housing flange plate drilling device, including base, the box that sets up on the base, drilling rod and the drilling rod actuating mechanism that set up on the box, the drilling rod passes through the drilling rod back shaft and can rotate and install on the box, the position and the quantity of drilling rod correspond with flange hole position and quantity on the ring flange, the drilling rod back shaft rotates under the effect of drilling rod actuating mechanism; the drilling jig is characterized by further comprising a drilling jig plate used for guiding and supporting the drill rod, guide holes used for guiding the drill rod or the drill bit are formed in the drilling jig plate, the drilling jig plate is arranged on the box body through guide shafts, guide shaft holes used for installing the guide shafts are formed in the box body, and springs are sleeved on the outer sides of the guide shafts between the drilling jig plate and the box body. This application simple structure, convenient operation has not only improved the drilling efficiency of axle housing ring flange, has reduced workman's intensity of labour, has improved the drilling precision and the quality of axle housing ring flange moreover.

Description

Axle housing flange drilling equipment

Technical Field

The utility model relates to an axle housing ring flange drilling equipment belongs to drilling equipment technical field.

Background

The traditional method for processing the flange hole of the axle housing flange plate is to drill a single drill hole through a rocker arm, the drilling efficiency is low, the labor intensity of workers is high, the proficiency and quality requirements of the workers are high, the labor cost is high, the processed flange hole often has the precision problems of coaxiality, hole diameter and other technical parameters, and the processing quality of the flange plate is seriously influenced.

With the rapid development of society, the machine manufacturing industry is also developed vigorously, and the flange plates with more and more purposes are used more and more widely, so the requirements on the quality and the precision of the flange plates are higher and higher.

The machining process of the flange 23 of the axle housing 22 shown in fig. 9 and 10, such as drilling, tapping, chamfering and the like, determines the machining quality of the flange. The existing drilling machines can realize drilling operation, and although the drilling efficiency of the flange plate is improved, the drilling structure is complex and the cost is high. In addition, the existing drilling device has no support for the drill bit position of the drill rod due to the large length of the drill rod, so that the precision of the flange hole 24 of the flange plate and the quality of the flange hole are affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists, provide a simple structure, drilling convenient operation is swift, can once only process and accomplish all holes on the axle housing ring flange, and the axle housing ring flange drilling equipment that drilling quality is high.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a drilling device for an axle housing flange plate comprises a base, a box body arranged on the base, drill rods arranged on the box body and a drill rod driving mechanism, wherein the positions and the number of the drill rods correspond to those of flange holes in the flange plate; the drilling jig is characterized by further comprising a drilling jig plate used for guiding and supporting the drill rod, guide holes used for guiding the drill rod or the drill bit are formed in the drilling jig plate, the drilling jig plate is arranged on the box body through guide shafts, guide shaft holes used for installing the guide shafts are formed in the box body, and springs are sleeved on the outer sides of the guide shafts between the drilling jig plate and the box body.

The utility model has the advantages that: the drilling rod supporting shafts corresponding to the number of the drilling rods are arranged on the box body, the drilling rod driving mechanism acts, the drilling rod supporting shafts can drive the corresponding drilling rods to rotate to drill the flange plate, all holes in the axle housing flange plate can be machined at one time, and the machining precision and the machining quality are high; in addition, because the drilling rod has certain length, the drill bit accessible bushing plate of drilling rod supports the direction, the bushing plate sets up the one end of guide shaft, in the guide shaft hole on the box was arrived in the other end cartridge of guide shaft, drilling equipment's pedestal mounting was on the numerical control slip table to but reciprocating motion under the effect of numerical control slip table, during drilling, drilling equipment moved towards the ring flange direction of waiting to process the axle housing, when the flange was touched to the bushing plate, the ring flange exerted the force to the bushing plate, along with drilling equipment continues the antedisplacement, the box continues the compression spring that moves ahead, the drilling rod is along with the box continues the antedisplacement, the tip of processing of drill bit passes the guiding hole and acts on flange processing flange hole, through the drilling plate to the drilling precision and the drilling quality in flange hole of support improvement of drilling rod and drill bit. In a word, the utility model discloses simple structure, convenient operation has not only improved the drilling efficiency of axle housing ring flange greatly, has reduced workman's intensity of labour, has further improved the drilling precision and the drilling quality of axle housing ring flange moreover.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the drill rod driving mechanism comprises a driving shaft and a drill rod supporting shaft, the driving shaft is rotatably arranged on the box body, the driving shaft is in meshing transmission with the drill rod supporting shaft through a transmission gear, and the driving shaft rotates under the action of the power mechanism.

The beneficial effect who adopts above-mentioned further scheme is that, the drive shaft rotates under power unit's effect, rotates through drive gear drive drilling rod back shaft to the drilling rod rotation of drive installation on the drilling rod back shaft carries out drilling processing to the ring flange.

Furthermore, the transmission gear comprises a driving gear and a driven gear meshed with the driving gear, the driving gear is arranged on the driving shaft, and the driven gear is correspondingly arranged on the drill rod supporting shaft.

Adopt above-mentioned further scheme's beneficial effect be, driven gear's quantity corresponds with drilling rod quantity to the corresponding installation has realized the power transmission between drive shaft and the drilling rod back shaft through the cooperation of driving gear with driven gear on the drilling rod back shaft.

Further, an inner cavity is formed in the box body, and the guide shaft hole is formed in the box body on the outer side of the inner cavity.

The beneficial effect of adopting above-mentioned further scheme is that, because the inner chamber has drilling rod actuating mechanism, has the machine oil that is used for lubricated drilling rod actuating mechanism's axle and gear in the inner chamber, the guide shaft hole is in the outside of inner chamber, and it is isolated with the inner chamber on the box, has guaranteed that the machine oil in the inner chamber can't enter into in the guide shaft hole, so the guide shaft need not to use the oil blanket, even if the guide shaft bears radial force and axial reciprocating motion, the problem of oil leak can not appear yet.

Furthermore, the guide shaft holes are arranged at four corners of the box body.

The beneficial effect who adopts above-mentioned further scheme is that, the setting of guide shaft hole has guaranteed the bulk strength of box in the four corners position, and the inner chamber in the box is cross, and the abundant installation and maintenance space that leaves for drilling rod actuating mechanism are convenient for drilling rod actuating mechanism's installation and maintenance.

Furthermore, a drill rod inserting hole is formed in the drill rod supporting shaft, the end portion of the drill rod is connected with the drill rod supporting shaft through a jackscrew, and an anti-falling inclined plane is arranged on the drill rod.

Adopt the beneficial effect of above-mentioned further scheme to be, the drilling rod cartridge is downthehole, and the tip of jackscrew acts on the anticreep inclined plane, avoids the drilling rod to deviate from drilling rod cartridge hole, further guarantees the installation stability of drilling rod.

Furthermore, a positioning piece is further arranged on the drill rod.

The beneficial effect who adopts above-mentioned further scheme is that, the setting element can be spacing to the drilling rod and stretch into the downthehole degree of depth of drilling rod cartridge, guarantees the installation positioning accuracy of drilling rod.

Furthermore, the power mechanism comprises a speed reducer, the speed reducer is installed on the base through a speed reducer base, and an output shaft of the speed reducer is connected with the driving shaft.

Adopt above-mentioned further scheme's beneficial effect to provide power for the drive shaft through the speed reducer to drive a plurality of drilling rods and rotate and process the flange hole.

Further, an output shaft of the speed reducer is connected with the driving shaft through a coupler.

Adopt above-mentioned further scheme's beneficial effect to be connected the output of speed reducer and drive shaft through the shaft coupling to realize the power transmission of drive shaft.

Furthermore, a wear-resistant ring is arranged in the guide hole.

The wear-resistant ring is arranged in the guide hole through a bushing. In order to protect the guide hole on the drill plate, the strength of the guide hole is increased through the wear-resisting ring, the drill bit is prevented from wearing the drill plate, and the service life of the drill plate is prolonged.

Furthermore, a guide shaft sleeve capable of guiding the guide shaft is arranged in the guide shaft hole.

The beneficial effect who adopts above-mentioned further scheme is that, guide shaft sleeve can lead to the guide shaft on the one hand, and on the other hand uses guide shaft sleeve wearing and tearing for a long time, is convenient for in time change, is convenient for maintain, and the maintenance cost is low.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the drill plate and the guide shaft of the present invention in a fitted state;

FIG. 3 is a schematic structural view of the case of the present invention;

FIG. 4 is a schematic cross-sectional view taken along the line A-A in FIG. 3;

FIG. 5 is a schematic longitudinal sectional view of the casing taken in a direction perpendicular to the driving shaft;

FIG. 6 is a schematic structural view of the drill rod and the drill rod support shaft in a matching state;

fig. 7 is a schematic structural view of the drill plate of the present invention;

FIG. 8 is a schematic cross-sectional view taken along line B-B of FIG. 7;

FIG. 9 is a schematic structural view of an axle housing;

FIG. 10 is a left side view of the structure of FIG. 9;

in the figure, 1, a base; 2. a box body; 3. a drill stem; 4. a drill rod supporting shaft; 5. a drive shaft; 6. a driving gear; 7. a driven gear; 8. an inner cavity; 9. drilling a template; 10. a guide shaft; 11. a spring; 12. a guide shaft hole; 13. an anti-drop inclined plane; 14. carrying out top thread; 15. a positioning member; 16. a speed reducer; 17. a speed reducer base; 18. a coupling; 19. a guide shaft sleeve; 20. a guide hole; 21. a wear ring; 22. an axle housing; 23. a flange plate; 24. and (4) flange holes.

Detailed Description

The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1-8, an axle housing flange plate drilling device comprises a base 1, a box body 2 arranged on the base 1, drill rods 3 arranged on the box body 2 and a drill rod driving mechanism, wherein the positions and the number of the drill rods 3 correspond to those of flange holes 24 on a flange plate 23 of an axle housing 22, the drill rods 3 are rotatably arranged on the box body 2 through drill rod supporting shafts 4, and the drill rod supporting shafts 4 rotate under the action of the drill rod driving mechanism; the drilling jig is characterized by further comprising a drilling jig plate 9 used for guiding and supporting the drill rod 3, guide holes 20 used for guiding the drill rod 3 or a drill bit are formed in the drilling jig plate 9, the drilling jig plate 9 is arranged on the box body 2 through guide shafts 10, guide shaft holes 12 used for installing the guide shafts 10 are formed in the box body 2, and springs 11 are sleeved on the outer sides of the guide shafts 10 between the drilling jig plate 9 and the box body 2.

The drill rod driving mechanism comprises a driving shaft 5 and a drill rod supporting shaft 4, the driving shaft 5 is rotatably arranged on the box body 2, the driving shaft 5 is in meshing transmission with the drill rod supporting shaft 4 through a transmission gear, and the driving shaft 5 rotates under the action of a power mechanism. The driving shaft 5 rotates under the action of the power mechanism, the drill rod supporting shaft 4 is driven to rotate through the transmission gear, and therefore the drill rod 3 installed on the drill rod supporting shaft 4 is driven to rotate to drill the flange plate 23.

The transmission gear comprises a driving gear 6 and a driven gear 7 meshed with the driving gear 6, the driving gear 6 is arranged on the driving shaft 5, and the driven gear 7 is correspondingly arranged on the drill rod supporting shaft 4. The number of the driven gears 7 corresponds to the number of the drill rods and is correspondingly arranged on the drill rod supporting shaft 4, and the power transmission between the driving shaft 5 and the drill rod supporting shaft 4 is realized through the matching of the driving gear 6 and the driven gears 7.

An inner cavity 8 is formed in the box body 2, and the guide shaft hole 12 is formed in the box body 2 on the outer side of the inner cavity 8. Because the inner cavity 8 is provided with the drill rod driving mechanism, the inner cavity 8 is internally provided with the engine oil used for lubricating the shaft and the gear of the drill rod driving mechanism, the guide shaft hole 12 is arranged at the outer side of the inner cavity 8 and is isolated from the inner cavity 8 on the box body 2, the engine oil in the inner cavity 8 can not enter the guide shaft hole 12, the guide shaft 10 does not need to be provided with an oil seal, and even if the guide shaft 10 bears radial force and axial reciprocating motion, the problem of oil leakage can not occur.

The guide shaft holes 12 are provided at four corners of the case 2. The guide shaft holes 12 are arranged at four corners, so that the overall strength of the box body 2 is guaranteed, the inner cavity 8 in the box body 2 is cross-shaped, and a mounting and maintaining space is fully reserved for the drill rod driving mechanism, so that the drill rod driving mechanism is convenient to mount and maintain.

The drill rod supporting shaft 4 is provided with a drill rod inserting hole, the end part of the drill rod 3 is connected with the drill rod supporting shaft 4 through a jackscrew 14, and the drill rod 3 is provided with an anti-falling inclined surface 13. The drill rod 3 is inserted into the hole, the end part of the jackscrew 14 acts on the anti-falling inclined plane 13, the drill rod 3 is prevented from falling out of the drill rod insertion hole, and the installation stability of the drill rod 3 is further guaranteed.

The drill rod 3 is also provided with a positioning piece 15. The positioning piece 15 can limit the depth of the drill rod 3 extending into the drill rod insertion hole, so that the installation and positioning accuracy of the drill rod 3 is guaranteed. The positioning member 15 may be a positioning nut.

The power mechanism comprises a speed reducer 16, the speed reducer 16 is mounted on the base 1 through a speed reducer base 17, and an output shaft of the speed reducer 16 is connected with the driving shaft 5. The driving shaft 5 is powered by the speed reducer 16, so that the plurality of drill rods 3 are driven to rotate to machine the flange holes 24.

An output shaft of the speed reducer 16 is connected to the drive shaft 5 through a coupling 18. The output end of the reduction gear 16 is connected to the drive shaft 5 by a coupling 18, whereby power transmission of the drive shaft 5 is realized.

In order to protect the guide hole 20 of the drill plate 9, a wear ring 21 is arranged in the guide hole 20. The wear ring 21 is disposed in the guide hole 20 by a bushing. The strength of the guide hole 20 is increased through the wear-resisting ring 21, abrasion of the drill bit on the drill plate 9 is avoided, and the service life of the drill plate 9 is prolonged.

A guide shaft sleeve 19 capable of guiding the guide shaft 10 is arranged in the guide shaft hole 12. The guide shaft sleeve 19 can guide the guide shaft 10, and the guide shaft sleeve 19 is worn and torn after being used for a long time, so that the guide shaft sleeve is convenient to replace in time and maintain, and the maintenance cost is low.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The drilling device for the axle housing flange plate is characterized by comprising a base, a box body arranged on the base, drill rods arranged on the box body and a drill rod driving mechanism, wherein the positions and the number of the drill rods correspond to those of flange holes in the flange plate; the drilling jig is characterized by further comprising a drilling jig plate used for guiding and supporting the drill rod, guide holes used for guiding the drill rod or the drill bit are formed in the drilling jig plate, the drilling jig plate is arranged on the box body through guide shafts, guide shaft holes used for installing the guide shafts are formed in the box body, and springs are sleeved on the outer sides of the guide shafts between the drilling jig plate and the box body.

2. The axle housing flange drilling device as claimed in claim 1, wherein the drill rod driving mechanism comprises a driving shaft and the drill rod supporting shaft, the driving shaft is rotatably arranged on the box body, the driving shaft and the drill rod supporting shaft are in meshing transmission through a transmission gear, and the driving shaft rotates under the action of a power mechanism.

3. The axle housing flange drilling device according to claim 2, wherein the transmission gear comprises a driving gear and a driven gear engaged with the driving gear, the driving gear is arranged on the driving shaft, and the driven gear is correspondingly arranged on the drill rod supporting shaft.

4. An axle housing flange drilling apparatus according to any one of claims 1 to 3, wherein an inner cavity is provided in the housing, and the pilot shaft hole is provided in the housing outside the inner cavity.

5. The axle housing flange drilling apparatus of claim 4 wherein the spindle bores are disposed at four corners of the housing.

6. The axle housing flange drilling device as claimed in any one of claims 1 to 3, wherein a drill rod insertion hole is formed in the drill rod supporting shaft, the end portion of the drill rod is connected with the drill rod supporting shaft through a jackscrew, and an anti-dropping inclined surface is formed on the drill rod.

7. The axle housing flange drilling apparatus of claim 6 wherein the drill stem is further provided with a locating member.

8. The axle housing flange drilling device as claimed in claim 2 or 3, wherein the power mechanism comprises a speed reducer, the speed reducer is mounted on the base through a speed reducer base, and an output shaft of the speed reducer is connected with the driving shaft.

9. The axle housing flange drilling assembly of any one of claims 1-3 wherein a wear ring is disposed within the pilot hole.

10. The axle housing flange drilling device of any one of claims 1 to 3 wherein a guide bushing is disposed in the guide bushing bore.