CN114714117B

CN114714117B - Polytypic palm axle journal texture adds clamping apparatus

Info

Publication number: CN114714117B
Application number: CN202210401514.2A
Authority: CN
Inventors: 钟林; 伍小龙; 王国荣; 刘清友; 魏刚; 何霞; 全兵; 刘晓波; 蔡永忠; 陈林燕; 王紫萱; 胡刚; 张政
Original assignee: Southwest Petroleum University
Current assignee: Southwest Petroleum University
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2023-03-21
Anticipated expiration: 2042-04-18
Also published as: CN114714117A

Abstract

The invention provides a multi-type gripper for texture processing of a bit leg shaft neck, which further comprises a tool for assisting coincidence of the bit leg shaft neck and a rotation central line of the gripper, wherein the gripper comprises: the device comprises a supporting plate, a left side plate, a right side plate, a rotating handle, a V block, a fixed auxiliary plate, an arc-shaped fixed supporting block, a sliding groove, a fine adjustment block, a screw rod and a balancing weight; the auxiliary tool includes: fixture centering box, support, pointer display. The multi-type gripper for texture processing of the bit leg shaft neck realizes quick assembly and replacement during processing of the bit leg shaft neck, an auxiliary tool quickly searches the coincidence position of the bit leg shaft neck and the rotation neutral line of the gripper, laser focusing irregularity caused by shaft neck jumping during laser texture processing is reduced, the condition that the texture processing depth and the texture processing shape do not reach the standard is avoided, early preparation work during processing is effectively shortened, processing of different types can be realized through one gripper, and the processing efficiency is greatly improved.

Description

Polytypic palm axle journal texture adds clamping apparatus

The technical field is as follows:

the invention relates to a multi-type gripper for processing a cone leg shaft neck texture, in particular to assembly and debugging during processing the cone leg shaft neck texture.

Background art:

at present, experiments prove that the texture processing on the surface of a bit leg shaft neck can effectively prolong the service life of a drill bit, the texture processing of the bit leg shaft neck is finished by a laser marking machine, but due to the special structural characteristics and the processing requirements of the bit leg, a special fixture is required to assemble the bit leg, but the existing bit leg fixture is mostly suitable for machine tool assembly, a special fixture suitable for laser ablation processing of the bit leg shaft neck is not provided, a positioning part, namely a V block, needs to be replaced when processing bit legs of different types, and debugging needs to be carried out again to ensure the coincidence of the rotation center line of the bit leg shaft neck and the rotation center line of the fixture, ensure the bounce of a texture processing bearing surface in an expected error range, and finally ensure that the depth and the diameter of the texture processing reach preset values. The complicated assembly mode, the processing fixture aiming at a single model and the lack of debugging equipment cause that the processing of the palm texture can not be carried out in batch, so that a further solution is needed to be provided for the problems.

The invention content is as follows:

the invention aims to provide a multi-type gripper for machining the journal texture of a bit leg, so as to overcome the defects in the prior art.

In order to achieve the above object, the present invention provides a multi-type gripper for texturing a bit leg neck, comprising: the device comprises a supporting plate, a left side plate, a right side plate, a rotating handle, a V block, a fixed auxiliary plate, an arc-shaped fixed supporting block, a sliding chute, a fine adjustment block, a screw rod and a balancing weight; and providing an auxiliary tool comprising: the fixture comprises a fixture centering box, a bracket and a pointer display;

the fixture centering box positions the rotation center line of the rotation handle under the adjustment of the knob, and the pointer display displays the relative offset of the rotation center line of the bit leg shaft neck by using the scales of the pointer. The supporting plate is provided with a positioning hole for fixing the balancing weight, a left side plate and a right side plate, the supporting plate is provided with a specially-made circular groove hole for fixing the rotating handle, the supporting plate is provided with a chute track for fixing the fine adjustment block, the fine adjustment block slides in the chute under the adjustment of the screw rod, the left arc-shaped fixed supporting block realizes the lamination of the palm positioning surface and the V block under the adjustment of the screw pitch, and the V block completes the angle change of the V block under the adjustment of the pin.

As an improvement of the assembly and adjustment of the bit leg, the supporting plate is provided with a mounting hole for assisting the mounting of the chute.

As an improvement of the assembly and adjustment of the bit leg, the fine adjustment block is connected with the fine adjustment block through a screw rod, and the screw rod is utilized to realize the superposition of the rotation center line of the clamp and the rotation center line of the journal of the bit leg.

As an improvement of the invention, the fixture centering box of the auxiliary tool and the center line of the pointer display are always kept coincident.

Compared with the prior art, the invention has the beneficial effects that: the multi-type gripper for processing the bearing leg shaft neck texture can realize quick assembly, pick-and-place of the bearing leg, quickly and accurately find the offset of the rotating central line with the help of an auxiliary tool, realize the coincidence of the rotating central line of the bearing leg shaft neck and the gripper by utilizing the fine adjustment structure, adapt to the processing of the bearing leg shaft necks of different types, avoid the repeated disassembly of the gripper and improve the processing efficiency.

Drawings

FIG. 1 is a schematic structural view of a 9-degree 1/2 bit leg part;

FIG. 2 is a schematic view of a back structure of a 9-degree 1/2 bit leg part;

FIG. 3 is a schematic structural view of a 8-degree 1/2 bit leg;

FIG. 4 is a schematic view of a clamp structure according to an embodiment of the present invention;

FIG. 5 is a reference view of a 9 degree 1/2 bit leg fixture in use according to the present invention;

FIG. 6 is a reference view of the use state of the 8 degree 1/2 bit leg fixture of the present invention;

FIG. 7 is a schematic view of the arc-shaped fixed support block structure of the present invention;

FIG. 8 is a schematic diagram of the construction of a trimming block of the present invention;

FIG. 9 is a schematic structural diagram of an auxiliary tool according to an embodiment of the present invention;

FIG. 10 is a view showing a state of use of a practical embodiment of the present invention

1, balancing weight in the above attached figures; 2. a support plate; 3. a rotation handle; 4. a left side plate; 5. a chute; 6. fine tuning blocks; 7. a screw rod; 8. a palm of teeth; 9. fixing the auxiliary plate; 10.V block; 11. an arc-shaped fixed supporting block; 12. a fixture centering box; 13. a support; 14. pointer display 15.9 deg. 1/2 bit leg 16, bit leg bearing end surface 17, bit leg positioning surface 18, bit leg bottom surface 19, bit leg back surface 20, bit leg convex table surface 21.8 deg. 1/2 bit leg

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

The invention relates to a multi-model gripper jaw neck texture processing fixture, which comprises two parts, wherein one part is a multi-model gripper jaw neck texture processing fixture, a supporting plate 2 is provided with a positioning hole for positioning a balancing weight 1, a groove is formed in the supporting plate 2 for positioning and mounting a rotating handle 3, an open groove mounting chute is formed in the side of the supporting plate 2 and used for fine adjustment sliding of a fine adjustment block 6, a left side plate 4 and a right side plate 4 are provided with arc chutes for matching with grippers of different models, fixing auxiliary plates 9 are respectively mounted on the left side plate and the right side plate, the left side fixing auxiliary plate 9 rotates and slides in the chute of the left side plate, the right side fixing auxiliary plate 9 rotates and slides in the chute of the right side plate, an arc fixing supporting block 11 is fixed between the left side plate and the right side plate, and the arc fixing supporting block extrudes and fits a gripper jaw positioning surface by using bolt thread pitch to realize positioning; the second is an auxiliary tool, the fixture centering box 12 adopts an equal proportional contraction structure to ensure that the neutral line of the pointer display 14 is always coincident with the central line of the fixture centering box 12, and the pointer display 14 displays the relative offset of the rotation neutral line of the bit leg shaft neck by using the scale on the pointer.

The method for positioning the bit leg is realized through the structural characteristics of the bit leg, solves the problem that the bit leg cannot be rapidly taken and placed during the processing of the journal texture, so that the mass processing production cannot be realized, and reduces the labor consumption and the time investment.

In order to achieve the above object, the method for positioning the bit leg of the present invention comprises the following steps S1 to S4:

s1, setting the inclination angle of the V block to adapt to the positioning surface 17 of the I-shaped tooth palm, and utilizing an arc-shaped fixed supporting block to enable the tooth palm positioning surface to be attached to the V block, so that the horizontal position of the tooth palm is ensured and the tooth palm is determined to be a first reference surface.

And S2, after the positioning in the horizontal position is finished, the fine adjustment structure of the fine adjustment block is utilized to enable the bottom 18 of the tooth palm to be attached to the fine adjustment block, and the second reference surface is formed.

And S3, adjusting the fixed auxiliary plate 9 to be attached to the convex palm table top 20, realizing limiting in the vertical direction and ensuring convenience of subsequent processing.

Wherein, the 9 degree 1/2 bit leg bearing end surface 16 and the bit leg positioning surface 17 are 57 degrees, the fine adjustment block 6 and the support plate 2 are 57 degrees, the fixing auxiliary plate 10 and the fine adjustment block 7 are in a vertical state, the bit leg bearing end surface is ensured to be parallel to the support plate, and the rotation center of the bit leg bearing and the rotation center of the clamp are kept coincident.

S4, controlling the fine tuning bolt on the arc-shaped fixed supporting block 11 to be separated from the back face 19 of the bit leg, completing the superposition of the rotation center line of the bit leg shaft neck and the rotation center line of the clamp with the help of an auxiliary tool, and then screwing the bolt to complete fine tuning and fixing of the type.

As shown in fig. 8, the present invention further provides an adjustment structure for coinciding the center line of the bit leg journal with the rotation center of the rotation shaft 3, wherein the adjustment structure comprises: the device comprises a sliding chute 5, a screw rod 7, a fine adjustment block 6, a side plate 4, a fixed auxiliary plate 9 and an arc-shaped fixed supporting plate 11.

In order to achieve the above object, the method for positioning a bit leg of the present invention comprises the following steps S1 to S2:

s1, the left side plate 4 is installed on the supporting plate 2, the sliding groove 7 is placed in a specially-made groove hole of the supporting plate 2 and is connected and positioned with the supporting plate 2 through a bolt, a groove hole is formed in the side face of the fine adjustment block 6 and is matched with the sliding groove, sliding of the fine adjustment block 8 is achieved, the arc-shaped fixed supporting block 11 is installed between the side plates, the screw rod 7 is installed between the sliding groove 5 and the fine adjustment block 6, and the coincidence of the rotation center line of the palm shaft neck and the rotation center line of the clamp is achieved through the bolt.

S2, between the installation of the arc-shaped fixed supporting block 11 and the side plate, the contact surface of the arc-shaped fixed supporting block 11 is in an arc shape, so that the contact surface is in multi-point contact with the back surface 19 of the bit leg, incomplete lamination of the bit leg positioning surface and the V block due to uneven stress is avoided, and the arc surface is provided with a rotating structure, so that the fixture can adapt to the inclination angles of bit legs of different models and is better laminated.

Aiming at the above-mentioned bit leg positioning clamp, the invention also provides a method for determining the rotation center degree of the bit leg and the clamp, which comprises the following steps:

by utilizing the equal-scale reduction structure of the fixture centering box 12, the rotation center of the furniture is obtained on the premise of not changing the overall center of the auxiliary tool, the pointer display 14 completes height adjustment on the support 13, the pointer of the pointer display 14 is in contact with the bearing surface 16 of the bit leg, the offset of the rotation center of the bit leg 8 is displayed by the scale on the pointer, the superposition of the rotation center line of the bit leg and the fixture is completed by the fine adjustment structure of the fixture, the V block realizes final positioning of the bit leg, and the debugging of the whole machining is completed.

In conclusion, the bit leg assembling and adjusting method is simple to operate, the problem that mass production cannot be realized due to the fact that quick picking and placing cannot be realized during the processing of the bit leg shaft neck texture is solved, and labor consumption and time investment are reduced. Meanwhile, the problem of contact ratio between the gripper leg and the rotating center line of the clamp is solved, so that the early-stage preparation time during processing is reduced, and the efficiency and the speed of operation are effectively improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments as will be understood by those skilled in the art.

Claims

1. The utility model provides a polytypic palm axle journal texturing adds clamping apparatus, its characterized in that polytypic palm axle journal texturing adds clamping apparatus includes: the device comprises a supporting plate, a left side plate, a right side plate, a rotating handle, a V block, a left side fixing auxiliary plate, a right side fixing auxiliary plate, an arc-shaped fixing supporting block, a sliding chute, a fine adjustment block, a screw rod and a balancing weight;

the support plate is provided with a positioning hole for positioning a balancing weight, the support plate is provided with a groove for positioning and mounting a rotating handle, an open slot mounting chute is formed in the side of the support plate and used for fine adjustment sliding of a fine adjustment block, arc chutes are formed in the left side plate and the right side plate to adapt to tooth palms of different models, a left side fixing auxiliary plate and a right side fixing auxiliary plate are respectively mounted on the left side plate and the right side plate, the left side fixing auxiliary plate rotationally slides in the chute of the left side plate, the right side fixing auxiliary plate rotationally slides in the chute of the right side plate, the arc fixing support block is fixed between the left side plate and the right side plate, and the arc fixing support block uses a bolt pitch to extrude and laminate a V block and a tooth palm positioning surface to realize positioning;

still include supplementary heart instrument, supplementary heart instrument includes: the fixture comprises a fixture centering box, a bracket and a pointer display;

the fixture centering box adopts an equal-proportion contraction structure to ensure that the center line of the pointer display and the center line of the fixture centering box are always kept coincident, and the pointer display displays the relative offset of the rotating center line of the bit leg shaft neck by using the scales on the pointer;

the equal-proportion shrinkage structure of the clamp centering box can ensure that the center line of the clamp centering box and the center line of the pointer display are always overlapped;

the pointer display is composed of an elastic reciprocating structure, the deflection of the rotation center line of the bit leg shaft neck relative to the rotation center line of the clamp is represented in a datamation mode through pointer scales, and the rotation center line of the clamp and the bit leg shaft neck is overlapped through the fine adjustment block.

2. The multi-type bit leg journal texturing fixture of claim 1 wherein the V-block contacts the bit leg locating surface, the V-block contact surface being a first locating surface.

3. The multi-type leg neck texturing fixture of claim 1, wherein the micro-adjustment block contacts the bottom of the leg, which is the second locating surface.

4. The multi-type bit leg shaft neck texturing clamp of claim 1, wherein the arc-shaped fixing support block is an arc-shaped surface which is in contact with the back of the bit leg, so that multi-point contact is ensured, and the V-shaped block is more tightly attached to the bit leg positioning surface.

5. The multi-type bit leg journal texturing fixture of claim 1, wherein the angle change of the adapted type bit leg is completed by matching a pin hole of the adapted type bit leg on the V-shaped block with a pin hole of the side plate.

6. The multi-model gripper pin neck texturing jig of claim 1, wherein the fine adjustment block moves on the sliding groove track with the aid of a screw rod, so as to adjust the rotation center line of the gripper pin neck back and forth.

7. The multi-type bit leg shaft neck texturing clamp of claim 1, wherein the fine adjustment block realizes the angle change of the fine adjustment block through a sliding bolt, and can realize the function of fixing the position through the fastening of the bolt.