CN217142401U

CN217142401U - Transmission shaft drilling device

Info

Publication number: CN217142401U
Application number: CN202220746545.7U
Authority: CN
Inventors: 胡小勇; 李飞; 罗平; 滕明
Original assignee: Chongqing Xinxing Gear Wheel Co ltd
Current assignee: Chongqing Xinxing Gear Wheel Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-08-09
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a transmission shaft drilling equipment, including establishing the clamp cover on the chuck of dividing head clamp in pressing from both sides the cover and holding and be equipped with the clamp courage, the one end of clamp courage is equipped with the pull rod of being connected with the pneumatic cylinder one side that presss from both sides the cover is equipped with the locating pin that is used for spacing clamp courage, and the opposite side is removable is equipped with first bracer, the upper end of first bracer is equipped with first spline groove removable be equipped with the connecting rod on the first bracer the cover is equipped with the second bracer on the connecting rod, the upper end of second bracer is equipped with the second keyway. The utility model discloses set up the clamp of clamp courage and press from both sides tight part to the spline groove supports and the direction part is placed, utilizes the angle of dividing head adjustment drilling, just can accomplish spot facing work under conventional drilling operating condition, and the simple operation uses in a flexible way.

Description

Transmission shaft drilling device

Technical Field

The utility model relates to a gear machining makes the field, in particular to transmission shaft drilling equipment.

Background

Drilling in the horizontal direction and the vertical direction of shaft-shaped workpiece is common processing mode, along with the development of mechanical industry, the form of part installation complex is diversified, especially the improvement of the oil circuit trend between the conventional parts, no longer be in the traditional hole machining direction of horizontal direction and vertical direction, it is difficult to adopt slant drilling more or have the hole machining that relative contained angle required especially to drill the location on the integral key shaft, there is not corresponding angular adjustment setting on ordinary drilling machine again, make special drilling frock clamp cost again alone.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a transmission shaft drilling equipment that both the quick adjustment drilling angle of being convenient for can guarantee the drilling location stability again.

The technical scheme of the utility model as follows:

the utility model provides a transmission shaft drilling equipment, is including establishing the cover that presss from both sides on the chuck of dividing head clamp in pressing from both sides the cover and be equipped with the clamp courage, the one end that presss from both sides the courage is equipped with the pull rod of being connected with the pneumatic cylinder one side that presss from both sides the cover is equipped with the locating pin that is used for spacing clamp courage, and the removable first bracer that is equipped with of opposite side, the upper end of first bracer is equipped with first splined groove removable the connecting rod that is equipped with on the first bracer the cover is equipped with the second bracer on the connecting rod, the upper end of second bracer is equipped with the second spline groove.

By adopting the structure, the spline position of a part is placed in the first spline groove on the first supporting block, the part is pushed in along the direction of the first spline groove, one end of the part extends into the clamping liner, the clamping liner is pulled by a hydraulic cylinder, the clamping liner is abutted and fixed by the clamping sleeve, the clamping liner is enabled to clamp the corresponding position of the part, the rotation angle of the dividing head is adjusted, the part is enabled to rotate to the required drilling angle, then the drill bit is used for directly drilling in the vertical or horizontal direction on a drilling machine or a lathe, the drilled hole has an included angle relative to the axial direction or the longitudinal direction of the part, after the drilling is finished, the dividing head is adjusted to move back to a standby position, the air cylinder is closed, and the clamping liner is loosened to take down the part; under the influence of the first spline grooves, in the drilling process, the part cannot rotate and move longitudinally, and cannot move transversely when being clamped by the clamping liner axially, so that the clamping stability is high; if the processing part is longer, then need add and establish the second bracer, install the connecting rod earlier, cup joint the second bracer on the connecting rod again, and make the spline position of part also place on the second bracer in the second spline groove, so as to avoid the part to place the horizontal deviation that unbalancing and lead to the double-layered courage clamping position, thereby influence drilling angle, simultaneously, the directional influence of two spline grooves, the part is placed more stably, even rotate along with the dividing head also difficult emergence drunkenness, the stability of drilling has been improved.

In order to facilitate installation and simplify the structure, preferably, the output end of the hydraulic cylinder is provided with an installation sleeve, a bearing is embedded in the installation sleeve, one end of the pull rod penetrates through the dividing head, the penetrating end of the pull rod is fixedly sleeved on the bearing, and the other end of the pull rod is fixedly connected with the clamping liner in a threaded manner.

In order to limit the clamping liner and avoid the clamping liner from rotating and moving, preferably, a section of guide groove is arranged on the clamping liner, a positioning hole is arranged at the position, corresponding to the guide groove, on the clamping sleeve, a positioning pin is arranged in the positioning hole, and the positioning pin is downwards inserted into the positioning hole and extends into the guide groove.

In order to simplify the structure and facilitate the use, preferably, a section of transition inclined plane is arranged around the inner side wall of the jacket, a section of limiting inclined plane is arranged around the position, corresponding to the transition inclined plane, on the outer wall of the clamping liner, an open slot extending in the axis direction of the clamping liner is arranged around the position of the limiting inclined plane along the circumferential direction, when the clamping device is used, the hydraulic cylinder pulls the clamping liner to move, the transition inclined plane is abutted to the limiting inclined plane, and the inner diameter of the clamping liner contracts to clamp the part.

In order to reduce the assembly clearance and avoid the influence on the processing quality caused by the play, preferably, one side of the jacket is screwed with a connecting plate, the connecting plate is provided with a section of supporting plate, a step structure with a lower left part and a higher right part is formed between the supporting plate and the connecting plate, the vertical surface of the step structure is abutted and positioned with the corresponding position of the outer side wall of the jacket, and a first supporting block is fixedly arranged on the supporting plate.

In order to guarantee the processing stability of long piece, as preferred the lower part spiro union of first bracer has the connecting rod the cover is equipped with the second bracer on the connecting rod, and the lower terminal surface of this first bracer is equipped with the backing plate that the level stretches out, the lower terminal surface of second bracer and the up end laminating of backing plate.

In order to further ensure the accuracy of hole machining, the center lines of the first spline groove, the second spline groove and the jacket are preferably on the same straight line.

In order to prevent the second supporting block from falling, preferably, a limiting block is fixedly arranged on the connecting rod.

Has the advantages that: the utility model discloses set up the clamp of clamp courage and press from both sides tight part to the spline groove supports and the direction part is placed, utilizes the angle of dividing head adjustment drilling, just can accomplish spot facing work under conventional drilling operating condition, and the simple operation uses in a flexible way.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the bladder.

Fig. 3 is a right side view of fig. 2.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

By figure 1, figure 2 and figure 3 show, the utility model discloses an establish the cover 12 that presss from both sides on the chuck 11 of dividing head 1 clamp is equipped with double-layered courage 2 in pressing from both sides cover 12, the one end that presss from both sides courage 2 is equipped with the pull rod 13 of being connected with pneumatic cylinder 5 the output of pneumatic cylinder 5 is equipped with installation cover 51 the embedded bearing 52 that is equipped with of installation cover 51, dividing head 1 is worn to establish by the one end of pull rod 13, and the end cover of wearing out of this pull rod 13 is fixed on bearing 52, and the other end is fixed with double-layered courage 2 spiro union.

One section of transition inclined plane is arranged on the inner side wall of the jacket 12 in a winding mode, one section of limiting inclined plane is arranged on the outer wall of the clamping liner 2 in a winding mode at the position corresponding to the transition inclined plane, an open slot extending in the axis direction of the clamping liner 2 is arranged at the position of the limiting inclined plane in a winding mode along the circumferential direction, when the clamping liner is used, the hydraulic cylinder 5 pulls the clamping liner 2 to move, the transition inclined plane is abutted to the limiting inclined plane in a laminating mode, and the inner diameter of the clamping liner 2 contracts to clamp parts.

A positioning pin 14 for limiting the clamping liner 2 is arranged on one side of the clamping sleeve 1, a first supporting block 31 is arranged on the other side of the clamping sleeve, a section of guide groove 21 is arranged on the clamping liner 2, a positioning hole is arranged on the clamping sleeve 12 at a position corresponding to the guide groove 21, the positioning pin 14 is arranged in the positioning hole, and the positioning pin 14 is inserted into the positioning hole downwards and extends into the guide groove 21; one side of the jacket 12 is screwed with a connecting plate 15, the connecting plate 15 is provided with a section of supporting plate 131, a step structure with a lower left part and a higher right part is formed between the supporting plate 131 and the connecting plate 15, the vertical surface of the step structure is abutted and positioned with the corresponding position of the outer side wall of the jacket 12, a first supporting block 31 is fixedly arranged on the supporting plate 131, and the upper end of the first supporting block 31 is provided with a first spline groove 311.

A connecting rod 4 is screwed at the lower part of the first supporting block 31, a second supporting block 32 is sleeved on the connecting rod 4, and a limiting block 42 is fixedly arranged on the connecting rod 4; the lower end surface of the first supporting block 31 is provided with a backing plate 41 extending horizontally, the lower end surface of the second supporting block 32 is fitted with the upper end surface of the backing plate 41, and the upper end of the second supporting block 32 is provided with a second spline slot 411.

The center lines of the first spline groove 311, the second spline groove 411 and the jacket 12 are all on the same straight line.

The utility model discloses a use method as follows:

as shown in fig. 1 to 3, a clamping head 11 is screwed and fixed with a clamping sleeve 12, a spline position of a part (a position shown by a dotted line in fig. 1) is placed in a first spline groove 311 on a first supporting block 31, the part is pushed in along the direction of the first spline groove 311, one end of the part extends into a clamping container 2, a hydraulic cylinder 5 drives a pull rod 13 to pull the clamping container 2, a transition inclined plane of the clamping sleeve 12 is abutted to a limit inclined plane attached to the clamping plate 2, an open groove is formed in the clamping container 2 corresponding to the limit inclined plane in a winding manner, and a contraction space is formed when the part is stressed, so that when the clamping container 2 is pressed, the inner diameter of the clamping container 2 is contracted to clamp the part; and then, adjusting the rotation angle of the dividing head 1 to enable the part to rotate to a required drilling angle, directly drilling on a drilling machine or a lathe by a drill in the vertical or horizontal direction, wherein the drilled hole has an included angle of a relative angle relative to the axial direction or the longitudinal direction of the part, after the drilling is finished, adjusting the dividing head 1 to move back to a standby position, closing the air cylinder 5, and expanding the inner diameter of the clamping container 2 to take down the part.

In the above operations, it should be noted that, if the hole is machined on a vertical drilling machine, after the angle is adjusted on the dividing head 1, the dividing head 1 and the part are directly moved to the position below the drill, and the hole machining can be completed according to the conventional operation; if the drilling is performed on a lathe, taking the horizontal direction drilling as an example, the dividing head 1 needs to be horizontally and fixedly arranged on the lathe, the motor is fixedly arranged on a tool rest of the lathe, the movement of the tool rest is ensured not to interfere with the dividing head 1, the drill bit is horizontally arranged at the output end of the motor, the drill bit and the central line of the jacket 12 are ensured to be on the same plane, so as to ensure the accuracy of the drilling position, and the specific fixed arrangement mode is subject to meeting the processing requirement, which is not described herein again; thus, after the angle of the dividing head 1 is adjusted, the motor is started, the tool rest is moved, and the tool rest drives the drill bit to move towards the part and complete hole machining.

In addition, under the influence of the first spline grooves 311, in the drilling process, the part cannot rotate and move longitudinally, and cannot move transversely when the clamping container 2 is clamped axially, so that the clamping stability is high; if the processing part is longer, then need add and establish second bracer 32, install connecting rod 4 earlier, cup joint second bracer 32 on connecting rod 4 again, the lower terminal surface of second bracer 32 and the up end laminating of backing plate 41, and make the spline position of part also place on second bracer 32 in second flower keyway 411, second bracer 32 can not take place the swing in the rotation direction, can avoid the part to place the horizontal deviation that unbalancing and lead to pressing from both sides courage 2 clamping position, thereby the condition that influences drilling angle takes place, and simultaneously, the directional influence of two spline grooves, the part is placed more stably, even also difficult emergence drunkenness along with dividing head 1 rotates, the stability of drilling has been improved.

Claims

1. A transmission shaft drilling device is characterized in that: including establishing pressing from both sides cover (12) on chuck (11) of dividing head (1) press from both sides and hold in the cover (12) and be equipped with double-layered courage (2), the one end of double-layered courage (2) is equipped with pull rod (13) of being connected with pneumatic cylinder (5) one side of pressing from both sides cover (12) is equipped with locating pin (14) that are used for spacing double-layered courage (2), and the opposite side is removable is equipped with first bracer (31), the upper end of first bracer (31) is equipped with first spline groove (311) removable connecting rod (4) of being equipped with on first bracer (31) the cover is equipped with second bracer (32) on connecting rod (4), the upper end of second bracer (32) is equipped with second spline groove (411).

2. A drive shaft boring device according to claim 1, wherein: the output end of the hydraulic cylinder (5) is provided with an installation sleeve (51), a bearing (52) is embedded in the installation sleeve (51), one end of the pull rod (13) penetrates through the dividing head (1), the penetrating end of the pull rod (13) is fixedly sleeved on the bearing (52), and the other end of the pull rod is fixedly connected with the clamping container (2) in a threaded manner.

3. A drive shaft boring device according to claim 1, wherein: the clamp liner (2) is provided with a section of guide groove (21), a positioning hole is formed in the position, corresponding to the guide groove (21), of the clamp sleeve (12), a positioning pin (14) is arranged in the positioning hole, and the positioning pin (14) is downwards inserted into the positioning hole and extends into the guide groove (21).

4. A drive shaft boring device according to claim 1, wherein: the clamp is characterized in that a section of transition inclined plane is arranged on the inner side wall of the clamp sleeve (12) in a winding mode, a section of limiting inclined plane is arranged at the position, corresponding to the transition inclined plane, on the outer wall of the clamp liner (2) in a winding mode, an open slot extending in the axis direction of the clamp liner (2) is arranged at the position of the limiting inclined plane in a winding mode along the circumferential direction, during use, the clamp liner (2) is pulled by the hydraulic cylinder (5) to move, the transition inclined plane is abutted to the limiting inclined plane in an abutting mode, and the inner diameter of the clamp liner (2) shrinks and clamps parts.

5. A drive shaft boring device according to claim 1, wherein: one side on the clamp sleeve (12) is screwed with a connecting plate (15), a section of supporting plate (131) is arranged on the connecting plate (15), a step structure with a lower left part and a higher right part is formed between the supporting plate (131) and the connecting plate (15), the vertical surface of the step structure is abutted and positioned with the corresponding position of the outer side wall of the clamp sleeve (12), and a first supporting block (31) is fixedly arranged on the supporting plate (131).

6. A drive shaft boring device according to claim 5, wherein: the lower part spiro union of first bracer (31) has connecting rod (4) go up the cover and are equipped with second bracer (32), and the lower terminal surface of this first bracer (31) is equipped with backing plate (41) that the level stretches out, the lower terminal surface of second bracer (32) and the up end laminating of backing plate (41).

7. A drive shaft boring device according to claim 1, wherein: the center lines of the first spline groove (311), the second spline groove (411) and the jacket (12) are all on the same straight line.

8. A drive shaft boring device according to claim 1, wherein: and a limiting block (42) is fixedly arranged on the connecting rod (4).