CN216263570U

CN216263570U - Guide rod workpiece positioning and drilling device

Info

Publication number: CN216263570U
Application number: CN202122484100.4U
Authority: CN
Inventors: 史根军; 马林慧; 周怀瑞; 刘伟; 张文迁; 乔静; 周志国
Original assignee: Tiandi Ningxia Support Equipment Co ltd
Current assignee: Tiandi Ningxia Support Equipment Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-12
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses a positioning and drilling device for a guide rod workpiece, which is used for solving the problems of large personal error and low machining efficiency and precision of drilling on the guide rod workpiece in the prior art. The method comprises the following steps: the upper surface of the base is provided with a linear opening guide groove which is matched and installed with a plurality of workpiece axial positioning supports through respective guide sliding blocks, the workpiece axial positioning supports are C-shaped, the lower part of the workpiece axial positioning supports is a workpiece placing part, the upper part of at least one workpiece axial positioning support is provided with a tightening bolt of a workpiece, and the upper parts of other workpiece axial positioning supports are provided with drill sleeves; the mounting seat of the workpiece radial positioning seat is connected to the base in a sliding manner, the mounting seat is provided with a jacking block, the jacking block is in a quadrangular frustum pyramid shape, the lower bottom of the jacking block is arranged in close contact with the mounting seat, and the axial direction of the jacking block and the axial direction of the workpiece are positioned on the same straight line; the workpiece steering mechanism is arranged on the mounting seat, and the center of the lower bottom of the jacking block is fixedly connected with an output rotating shaft of the workpiece steering mechanism. The drilling positioning and processing tool has the beneficial effects that the time for drilling positioning and processing and the physical consumption are reduced.

Description

Guide rod workpiece positioning and drilling device

The technical field is as follows:

the utility model relates to the technical field of mechanical manufacturing process and equipment, in particular to a guide rod workpiece positioning and drilling device.

Background art:

the tooling is called as process equipment, and is equipment which is used for completing process manufacturing requirements by matching production equipment and personnel in addition to production equipment and tools in a production enterprise.

The traditional drilling method generally adopts the following steps that a scribed jack guide rod is fixed on a working surface of a drilling machine through a pressing plate, then drilling is carried out according to the drilling scribing, or the traditional drilling method adopts the traditional drilling method that a vertical drill is directly clamped, positioned, drilled and rotated for many times, the position of a hole is opposite to 90 degrees, and then the hole is positioned and re-drilled, and although the drilling operation is finally completed, the following defects exist: the guide rod workpiece needs to be drilled and scribed in advance, the scribing process not only consumes time and causes low processing efficiency, but also has errors due to manual scribing, and the processing quality is not easy to guarantee; for the guide rods with holes not in the same plane, the workpiece needs to be drilled after circumferential rotation and re-positioning during drilling, which is troublesome, the drilling quality completely depends on manual positioning, the machining quality is not easy to guarantee, and the two drilling methods are very easy to cause hole position deviation, hole diameter increase and the like of the machined hole, thereby seriously affecting the shape and position precision of the hole. Therefore, the original drilling method is difficult to ensure the requirement of position accuracy.

The utility model has the following contents:

the utility model provides a positioning and drilling device for a guide rod workpiece, which is used for solving the problems that in the prior art, the manual error of drilling on the guide rod workpiece is large, the machining efficiency and the precision are low, the drilling quality is not easy to guarantee, the hole position deviation is easy to cause, and the hole diameter is increased.

The utility model provides a guide rod workpiece positioning and drilling device, which is characterized by 1, the guide rod workpiece positioning and drilling device is characterized by comprising: the device comprises a base, a plurality of workpiece axial positioning supports, a workpiece radial positioning seat and a workpiece steering mechanism; the upper surface of the base is provided with a linear opening guide groove which is matched and installed with a plurality of workpiece axial positioning supports through respective guide sliding blocks, the workpiece axial positioning supports are C-shaped, the lower part of the workpiece axial positioning supports is a workpiece placing part, the upper part of at least one workpiece axial positioning support is provided with a tightening bolt of a workpiece, and the upper parts of other workpiece axial positioning supports are provided with drill sleeves; the mounting seat of the workpiece radial positioning seat is connected to the base in a sliding manner, the mounting seat is provided with a jacking block, the jacking block is in a quadrangular frustum pyramid shape, the lower bottom of the jacking block is arranged in close contact with the mounting seat, and the axial direction of the jacking block and the axial direction of the workpiece are positioned on the same straight line; the workpiece steering mechanism is arranged on the mounting seat, the center of the lower bottom of the jacking block is fixedly connected with an output rotating shaft of the workpiece steering mechanism, and the axial direction of the jacking block is coaxial with the output rotating shaft.

Preferably, the upper surface of the base is a plane, the first side surface of the base is perpendicular to the upper surface, the intersection line of the upper surface and the first side surface is parallel to the axial direction of the workpiece, and the first side surface is provided with a graduated scale.

Preferably, the contact position of the workpiece placing part of the workpiece axial positioning support and the base is provided with scale marks, and the scale marks point to the graduated scale; the contact surface of the workpiece placing part and the workpiece is a V-shaped contact surface, and the through hole of the upper drill bush is axially vertical to the base.

Preferably, the second side face of the base is perpendicular to the upper surface and the first side face, the second side face is provided with a sliding block, the mounting seat is plate-shaped and is tightly attached to one face of the second side face, the bottom of the mounting seat is provided with a linear sliding groove perpendicular to the base and is mounted in a matched mode with the sliding block, the relative position of the base and the mounting seat is fixed through a positioning bolt, the jacking block is mounted on the face tightly attached to the second side face, and the workpiece steering mechanism is mounted on the other face.

Preferably, the workpiece steering mechanism is a geneva mechanism or a stepping motor.

Preferably, the sheave mechanism comprises a driving drive plate, a crank and a driven sheave; the lower part of the mounting seat is provided with a driving drive plate, a crank is arranged on the driving drive plate and used for rotating the driving drive plate, a cylindrical pin on the driving drive plate is matched with a driven sheave, the driven sheave comprises a quartering radial groove, and an output shaft of the driven sheave penetrates through a shaft hole on the mounting seat and is fixedly connected with the lower bottom surface of a jacking block on the other side.

Preferably, the base is rectangular plate-shaped, the section of the opening guide groove in the base is I-shaped, the guide sliding block at the bottom of the radial workpiece positioning seat is a rectangular block and is arranged above the I-shaped opening guide groove, the lower part of the opening guide groove fixes the relative position of the radial workpiece positioning seat and the base through a locking bolt, and the diameter of the head of the locking bolt is larger than the distance between the thinnest position of the I-shaped opening.

Preferably, the linear sliding groove is a dovetail groove, and the sliding block is a dovetail block.

The beneficial effects include: the guide rod workpiece positioning and drilling device in the embodiment of the utility model can integrate the drilling in multiple directions into one set of tool to complete the drilling at one time, so that a scribing process can be omitted, the position degree of a shaft and the directionality of the drilling are ensured, the processing quality is ensured, the time occupied by drilling positioning and processing is effectively reduced, and the physical consumption of people during drilling processing is reduced; the positioning and drilling device for the guide rod workpiece is good in universality, one tool can adapt to different guide rod processing by replacing a drill jig drill bushing and adjusting an axial locking mechanism and a radial locking mechanism aiming at different types of hydraulic support jack guide rods, multiple purposes of one tool are achieved, and the input cost of drilling processing and manufacturing is reduced.

Description of the drawings:

fig. 1 is a schematic perspective view of a guide rod workpiece positioning and drilling device according to a preferred embodiment.

FIG. 2 is a schematic axial cross-sectional view of a preferred embodiment of the pilot workpiece positioning and drilling apparatus.

FIG. 3 is a cross-sectional view of the contact position of the base and the mounting base in accordance with a preferred embodiment;

FIG. 4 is a schematic radial cross-sectional view of a preferred embodiment of the pilot workpiece positioning and drilling apparatus.

In the drawings: the device comprises a base 1, a graduated scale 101, an open guide groove 102, a workpiece axial positioning support 2, a drill bushing 201, a guide sliding block 202, a locking bolt 203, a puller bolt 204, a workpiece placing part 205, a workpiece radial positioning seat 3, a puller block 301, a mounting seat 302, a linear sliding groove 3021, a sliding block 3022, a positioning bolt 3023, a geneva gear 401, a driving dial 4011, a crank 4012, a driven geneva 4013, a cylindrical pin 4014 and a radial groove 4015.

The specific implementation mode is as follows:

in order to provide an adjustable universal tool for drilling holes with scales and capable of realizing rapid positioning and drilling on the premise of ensuring the drilling processing quality, the utility model provides a guide rod workpiece positioning and drilling device, and the following description is made in combination with the attached drawings of the specification for a preferred embodiment of the utility model.

The guide rod workpiece positioning and drilling device provided by the embodiment of the utility model is a device for fixing parts to be processed so as to facilitate large-scale accurate processing, and the workpieces to be processed are mainly jack guide rod workpieces of a hydraulic support top beam and a shield beam side guard plate.

Referring to fig. 1 to 4, a guide bar workpiece positioning and drilling apparatus according to an embodiment of the present invention includes: the device comprises a base 1, a plurality of workpiece axial positioning supports 2, a workpiece radial positioning seat 3 and a workpiece steering mechanism; the upper surface of the base 1 is provided with a linear opening guide groove 102 which is matched and installed with a plurality of workpiece axial positioning brackets 2 through respective guide sliding blocks 202, the workpiece axial positioning brackets 2 are C-shaped, the lower part of the workpiece axial positioning brackets is provided with a workpiece placing part 205, the upper part of at least one workpiece axial positioning bracket 2 is provided with a tightening bolt 204 of a workpiece, and the upper parts of other workpiece axial positioning brackets 2 are provided with drill bushings 201; the mounting seat 302 of the workpiece radial positioning seat 3 is connected to the base 1 in a sliding manner, the mounting seat 302 is provided with a jacking block 301, the jacking block 301 is in a quadrangular frustum shape, the lower bottom of the jacking block is arranged close to the mounting seat 302, and the axial direction of the jacking block and the axial direction of the workpiece are positioned on the same straight line; the workpiece steering mechanism is arranged on the mounting base 302, the center of the lower bottom of the jacking block 301 is fixedly connected with an output rotating shaft of the workpiece steering mechanism, and the axial direction of the jacking block 301 is coaxial with the output rotating shaft.

Specifically, the upper surface of a base 1 of the device is a plane, a first side surface of the base 1 is perpendicular to the upper surface, an intersection line of the upper surface and the first side surface is parallel to the axial direction of a workpiece, and a graduated scale 101 is arranged on the first side surface. The workpiece placing part 205 of the workpiece axial positioning support 2 is provided with scale marks at the contact position with the base 1, and the scale marks point to the graduated scale 101; when the workpiece axial positioning support 2 is moved, the workpiece axial positioning support 2 is moved to a position to be drilled through indication of the scale marks; the second side face of the base 1 is perpendicular to the upper surface and the first side face, preferably, the base 1 of the device is rectangular plate-shaped, and can also be other shapes which guarantee the relative positions of the upper surface, the first side face and the second side face, the section of the opening guide groove 102 on the base 1 is I-shaped, the guide sliding block 202 at the bottom of the radial workpiece positioning seat 3 is a rectangular block and is arranged above the I-shaped opening guide groove 102, the relative position of the radial workpiece positioning seat 3 and the base 1 is fixed by the lower part of the opening guide groove 102 through a locking bolt 203, and the diameter of the head of the locking bolt 203 is larger than the distance of the thinnest position of the I-shaped opening. After the workpiece radial positioning seat 3 is moved to the drilling position, the workpiece radial positioning seat 3 is fixed on the base 1 through the locking bolt 203.

The workpiece axial positioning support 2 comprises a lower workpiece placing part 205 and an upper part which is connected into a whole, the workpiece axial positioning support is C-shaped as a whole, the opening of the workpiece axial positioning support faces one side of the base 1 with the graduated scale 101, the contact surface of the lower workpiece placing part 205 and a workpiece is a V-shaped contact surface, guide rod type workpieces of different types can be stably supported on the workpiece placing part 205, a through hole which is right opposite to the base 1 is formed in the upper part of the workpiece axial positioning support 2, the through hole of one workpiece axial positioning support 2 is a threaded hole and used for installing a puller bolt 204, the puller bolt 204 stably presses the guide rod type workpiece on the lower workpiece placing part 205 and can clamp the guide rod type workpiece; the drill bushing 201 is installed on the through hole of the axial positioning support 2 for other workpieces, the through hole of the drill bushing 201 on the upper portion is axially vertical to the base 1, and the drill bushing 201 is mainly used for determining the axial position of a drill bit, a reamer and other sizing tools.

The workpiece radial positioning seat 3 comprises a jacking block 301 for fixing the radial position of the guide rod workpiece, and a mounting seat 302 for adjusting the axial direction of the jacking block 301 and the axial direction of the guide rod workpiece to be on the same straight line; the jacking block 301 is in a quadrangular frustum shape, the end of the guide rod workpiece is grooved, the inclined planes on two sides of the jacking block 301 just can form interference fit with the grooved end of the workpiece, and through plugging and positioning, when the axial position of the guide rod workpiece is fixed through the jacking bolt 204, the end is plugged forcibly towards the lower bottom direction of the jacking block 301, and then the jacking bolt 204 is screwed down to tightly clamp the guide rod workpiece.

The mounting seat 302 can slide up and down relative to the base 1 and is used for fixing guide rod workpieces of different models, for guide rod workpieces with larger diameters, the position of the mounting seat 302 needs to be adjusted up, the diameter is smaller, and the position of the mounting seat 302 is adjusted downward; the sliding of the mounting seat 302 is realized through a linear sliding chute 3021 and a sliding block 3022; a linear sliding chute 3021 perpendicular to the upper surface is arranged on the second side surface of the base 1, the mounting seat 302 is plate-shaped and clings to one surface of the second side surface, and a sliding block 3022 is arranged at the bottom and is matched with the linear sliding chute 3021 for mounting; the mounting seat 302 is fixed by a positioning bolt 3023, a threaded hole is formed in a portion of the mounting seat 302 where the linear sliding groove 3021 is formed, the positioning bolt 3023 is screwed into the threaded hole to press the sliding block 3022 on the base 1, so that the relative position between the base 1 and the mounting seat 302 can be fixed, the jacking block 301 is installed on one surface close to the second side surface, and the workpiece steering mechanism is installed on the other surface. Preferably, the linear sliding groove 3021 is a dovetail groove, and the sliding block 3022 is a dovetail block; or a T-shaped slot and a T-shaped block.

The workpiece steering mechanism can be realized through a sheave mechanism 401 or a stepping motor, and mainly achieves the purpose of driving the workpiece radial positioning seat 3 to rotate so as to drive the guide rod workpiece to rotate by 90 degrees. The sheave mechanism 401 includes a driving dial 4011, a crank 4012, and a driven sheave 4013; the lower part of the mounting seat 302 is provided with a driving dial 4011, the driving dial 4011 is provided with a crank 4012 for rotating the driving dial 4011, a cylindrical pin 4014 on the driving dial 4011 is matched and mounted with a driven grooved pulley 4013, the driven grooved pulley 4013 comprises a quartering radial groove 4015, and an output shaft of the driven grooved pulley 4013 passes through a shaft hole on the mounting seat 302 and is fixedly connected with the lower bottom surface of the puller block 301 on the other surface. The driving dial 4011 is driven to rotate by rotating the crank 4012, when a cylindrical pin 4014 of the driving dial 4011 does not enter a radial groove 4015 of the driven sheave 4013, a concave locking arc of the driven sheave 4013 is clamped by a convex locking arc of the driving dial 4011, the driven sheave 4013 is stationary, when the cylindrical pin 4014 of the driving dial 4011 enters the radial groove 4015 of the driven sheave 4013, the locking arc is released, the driven sheave 4013 is driven by the cylindrical pin 4014, the angle of each rotation is 90 degrees, and the driven sheave 4013 stops intermittent motion when moving.

The wheel shaft of the driven grooved wheel 4013 of the workpiece steering mechanism is fixedly connected with the workpiece radial positioning seat 3, the driven grooved wheel 4013 rotates 90 degrees to drive the guide rod workpiece to rotate 90 degrees, positioning is convenient, and the two drilling positions are guaranteed to be accurately positioned 90 degrees.

The following describes in detail the method of using the guide bar workpiece positioning and drilling device of the present invention with reference to the accompanying drawings.

Before use, the base 1 is fixedly arranged on a workbench surface of a radial drilling machine through a pressing plate and a pressing plate bolt, a workpiece hydraulic support guide rod is arranged on a V-shaped workpiece placing part 205, a positioning bolt 3023 on the outer side of the mounting base 302 is loosened, the guide rod is positioned with a jacking block 301 through an excircle and an end socket of the guide rod, then the positioning bolt 3023 is screwed down to fix the position of the mounting base 302 with the position of the base 1, finally, the jacking bolt 204 on the workpiece axial positioning support 2 is adjusted to compact the guide rod workpiece, drilling operation can be carried out, after a hole in one direction is drilled, the jacking bolt 204 is loosened, a crank 4012 on a workpiece steering mechanism is rotated, the driving dial 4011 is rotated to drive the driven 401sheave 3 to carry out indexing, the driven sheave 4013 and the driving dial 4011 are separated and then stop rotating, at the moment, the guide rod workpiece is compacted through the jacking bolt 204, the machining hole distance is adjusted through the scale of the base 1 and then is locked, starting a drilling operation; the workpiece axial positioning support 2 can axially slide along the open guide groove 102, the mounting seat 302 closely slides up and down along the second side surface of the base 1, and finally, the positioning screw is used for locking and positioning to finish the drilling operation of different specifications and sizes; the replacement of the drill sleeve 201 for holes of different diameters can be completed.

Claims

1. A guide rod workpiece positioning and drilling device is characterized by comprising: the device comprises a base, a plurality of workpiece axial positioning supports, a workpiece radial positioning seat and a workpiece steering mechanism; the upper surface of the base is provided with a linear opening guide groove which is matched and installed with a plurality of workpiece axial positioning supports through respective guide sliding blocks, the workpiece axial positioning supports are C-shaped, the lower part of the workpiece axial positioning supports is a workpiece placing part, the upper part of at least one workpiece axial positioning support is provided with a tightening bolt of a workpiece, and the upper parts of other workpiece axial positioning supports are provided with drill sleeves; the mounting seat of the workpiece radial positioning seat is connected to the base in a sliding manner, the mounting seat is provided with a jacking block, the jacking block is in a quadrangular frustum pyramid shape, the lower bottom of the jacking block is arranged in close contact with the mounting seat, and the axial direction of the jacking block and the axial direction of the workpiece are positioned on the same straight line; the workpiece steering mechanism is arranged on the mounting seat, the center of the lower bottom of the jacking block is fixedly connected with an output rotating shaft of the workpiece steering mechanism, and the axial direction of the jacking block is coaxial with the output rotating shaft.

2. The guide bar workpiece positioning and drilling apparatus of claim 1, wherein the upper surface of the base is planar, the first side of the base is perpendicular to the upper surface, an intersection of the upper surface and the first side is parallel to an axial direction of the workpiece, and the first side is provided with a scale.

3. The guide bar workpiece positioning and drilling device as claimed in claim 2, wherein the workpiece placing part of the workpiece axial positioning support is provided with scale marks at the contact position with the base, and the scale marks point to the scale; the contact surface of the workpiece placing part and the workpiece is a V-shaped contact surface, and the through hole of the upper drill bush is axially vertical to the base.

4. The guide-bar workpiece positioning and drilling device as claimed in claim 2, wherein the second side of the base is perpendicular to both the upper surface and the first side, a sliding block is arranged on the second side, the mounting seat is plate-shaped, is tightly attached to one surface of the second side, a linear sliding groove perpendicular to the base is arranged at the bottom of the mounting seat, is matched with the sliding block and is used for fixing the relative position of the base and the mounting seat through a positioning bolt, the jacking block is arranged on one surface tightly attached to the second side, and the workpiece steering mechanism is arranged on the other surface.

5. The guide bar workpiece positioning and drilling apparatus of claim 1, wherein the workpiece steering mechanism is a geneva mechanism or a stepper motor.

6. The guide bar workpiece positioning and drilling apparatus of claim 5, wherein the geneva mechanism includes a drive plate, a crank, and a driven geneva; the lower part of the mounting seat is provided with a driving drive plate, a crank is arranged on the driving drive plate and used for rotating the driving drive plate, a cylindrical pin on the driving drive plate is matched with a driven sheave, the driven sheave comprises a quartering radial groove, and an output shaft of the driven sheave penetrates through a shaft hole on the mounting seat and is fixedly connected with the lower bottom surface of a jacking block on the other side.

7. The guide bar workpiece positioning and drilling device of claim 1, wherein the base is rectangular plate-shaped, the cross section of the open guide groove on the base is i-shaped, the bottom guide slide block of the workpiece radial positioning seat is rectangular block and is installed above the i-shaped open guide groove, the relative position of the workpiece radial positioning seat and the base is fixed by the lower part of the open guide groove through the locking bolt, and the diameter of the head of the locking bolt is larger than the distance of the thinnest position of the i-shaped opening.

8. The guide bar workpiece positioning and drilling apparatus of claim 4, wherein the linear slide slot is a dovetail slot and the slide block is a dovetail block.