CN219336888U

CN219336888U - Shaft part machining tool with two special-shaped grooves

Info

Publication number: CN219336888U
Application number: CN202320250254.3U
Authority: CN
Inventors: 王洪旭; 李青; 胡晓东; 胡彩侠; 刘园园
Original assignee: Shaanxi Weihe Tools Co ltd
Current assignee: Shaanxi Weihe Tools Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-14
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a machining tool for shaft parts with two special-shaped grooves, which comprises the following steps: the tool comprises a tool body, wherein the tool body comprises a base A and a base B, limiting structures for limiting two ends of a machined output shaft part are respectively arranged on the base A and the base B, fixing pieces for fixing the machined output shaft part are respectively arranged on the base A and the base B, the shape characteristics of a workpiece are fully utilized by adopting a A, B two-part design method, the purpose of rapidly and accurately clamping and positioning the workpiece is achieved, the workpiece is simple, convenient and efficient to clamp and position, the tool is particularly suitable for mass production and machining, the machining efficiency can be well improved, and the problem of time and labor waste in the existing machining method is solved; the consistency of batch difference of part processing can be well ensured, and errors caused by different proficiency, processing habit and hand strength of processing personnel are eliminated.

Description

Shaft part machining tool with two special-shaped grooves

Technical Field

The utility model relates to the technical field of mechanical engineering transmission part output shafts, in particular to a shaft part machining tool with two special-shaped grooves.

Background

With the development of economy and society, electric steering engine products are widely applied in the fields of aerospace, robots, national defense and the like. The output shaft is a relatively common part in an electric steering engine and is generally responsible for transmitting motion and power to an actuator. The shaft-like part with two profiled grooves is one form of output shaft.

The utility model takes the processing of the part of the output shaft shown in figure 1 as an example, two special-shaped grooves symmetrical relative to the central axis are arranged at one end of the output shaft, the groove width L1, the groove distance L2 and the depth L3 axially penetrate through a large excircle with the diameter of D1, the left side of the large excircle is adjacent to the excircle with the diameter of D2, the excircle is further left provided with a flat, the size of the flat is L4, the plane of the flat is parallel to the straight line and the axis of the connecting line of the two special-shaped grooves on the large excircle of D1, the leftmost side of the flat is an excircle with the diameter of D4, the circle is provided with a special-shaped groove which is perpendicular to the excircle through the central axis, the directions of the special-shaped grooves are also parallel to the straight line and the axis of the connecting line of the two special-shaped grooves on the large excircle of D1, the width L5 and the depth L6 radially penetrate through the excircle of D4, 4 threaded through holes are distributed on the large excircle of D1 along the circumference of D5, and the included angle between the straight line of the two hole connecting lines on the diagonal lines and the symmetrical axes of the two special-shaped grooves is alpha. The parts to be processed in the working procedure related by the utility model are two special-shaped grooves on the outer circle of D1, a flat shape on the outer circle of D3 and a special-shaped groove on the outer circle of D4.

In the prior art, in the processing of the output shaft part, one end of the output shaft part is processed firstly, then a workpiece is dismounted, clamped and positioned again, and the other end of the output shaft part is processed again, so that the efficiency is low, the time and the labor are wasted in mass production and processing, and the output shaft part is obviously uneconomical; meanwhile, in mass production of parts, a plurality of people are usually responsible for processing, and the proficiency, processing habit and hand strength of each person are different, so that the batch difference consistency of the same batch of parts processed by different people is not well ensured, thereby influencing the performance of the whole product. Therefore, in order to solve the above problems, a shaft part machining tool with two types of special-shaped grooves is provided.

Disclosure of Invention

The utility model aims to provide a shaft part machining tool with two special-shaped grooves, and solves the problems that the efficiency is low, time and labor are wasted in machining of output shaft parts, the batch difference consistency of the same batch of parts machined by different personnel is not well ensured, and the performance of an integral product is affected by the arrangement of a base A and a base B.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

axle type part processing frock with two kinds of abnormal shape grooves includes: the tool comprises a tool body, wherein the tool body comprises a base A and a base B, limiting structures used for limiting two ends of an output shaft part to be processed are respectively arranged on the base A and the base B, and fixing pieces used for fixing and processing the output shaft part are respectively arranged on the base A and the base B.

As an optimized technical scheme, the limiting structure on the base A comprises an A special-shaped groove symmetrically arranged on the base A and an A inner hole arranged on the base A;

the limiting structure on the base B is a B boss fixedly installed on the base B.

As a preferable technical scheme, the fixing piece on the base A comprises an A threaded hole formed in the base A and an A socket head cap screw in threaded connection with the inside of the A threaded hole;

the fixing piece on the base B comprises a B threaded hole formed in the base B and a B socket head cap screw in threaded connection with the inside of the B threaded hole.

As an optimal technical scheme, an A cylindrical pin hole is formed in the base A, and an A cylindrical pin is connected in the A cylindrical pin hole in a pin joint mode;

the base B is provided with a B cylindrical pin hole, and the inside of the B cylindrical pin hole is pin-connected with a B cylindrical pin.

As the preferable technical scheme, the output shaft part is an output shaft of the electric steering engine, the output shaft is a stepped shaft, and excircles D1, D2, D3 and D4 are sequentially arranged from the large end to the small end.

As a preferable technical scheme, the base A and the base B are both made of alloy structural steel.

The utility model has at least the following beneficial effects:

the utility model provides a shaft part machining tool with two special-shaped grooves, which comprises a shaft part machining tool body, a shaft part machining tool body and a shaft part machining tool body, wherein the shaft part machining tool body is provided with two special-shaped grooves, and the shaft part machining tool body is provided with two:

1. the utility model adopts a A, B two-part design method, fully utilizes the shape characteristics of the workpiece, achieves the purpose of rapid and accurate clamping and positioning of the workpiece, ensures that the clamping and positioning of the workpiece are simple, convenient and efficient, is particularly suitable for mass production and processing, can well improve the processing efficiency, and solves the problem of time and labor waste in the existing processing method.

2. The consistency of batch difference of part processing can be well ensured, and errors caused by different proficiency, processing habit and hand strength of processing personnel are eliminated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic view of a first view angle structure of an output shaft component of the present utility model;

FIG. 2 is a schematic view of a second view angle structure of the output shaft component of the present utility model;

FIG. 3 is a schematic view of a third view angle structure of the output shaft component of the present utility model;

FIG. 4 is a schematic view of the structure of the base A of the present utility model;

FIG. 5 is a schematic view of a base B according to the present utility model;

FIG. 6 is a schematic view of the assembly of the base A and the parts of the present utility model;

fig. 7 is a schematic diagram showing the whole assembly of the base B and the parts according to the present utility model.

Reference numerals illustrate:

1. an output shaft part; 101. d1, excircle; 102. d2 outer circle; 103. d3, excircle; 104. d4, excircle; 105. d1, an outer circular special-shaped groove; 106. d3, flattening the outer circle; 107. d4, an outer circular special-shaped groove; 108. d1, an external circular threaded hole; 2. a base A; 201. a, a special-shaped groove; 202. an inner hole A; 203. a is a cylindrical pin hole; 204. a, a threaded hole; 3. a base B; 301. b boss; 302. b is a cylindrical pin hole; 303. b, a threaded hole; 4. a is a cylindrical pin; 5. a socket head cap screw; 6. b is a cylindrical pin; 7. and B, inner hexagon screws.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.

Referring to fig. 1 to 7, an embodiment of the present utility model provides a machining tool for shaft parts with two types of special-shaped grooves, including: the tool body comprises a base A2 and a base B3, limiting structures used for limiting two ends of a machined output shaft part 1 are respectively arranged on the base A2 and the base B3, fixing pieces used for fixing the machined output shaft part 1 are respectively arranged on the base A2 and the base B3, the base A2 and the base B3 are fixedly arranged on a workbench, the workpiece is clamped and positioned by utilizing the shape characteristics of the workpiece, the problems of time and labor waste and low efficiency in the existing machining method are solved, meanwhile, the consistency of batch difference of the parts is guaranteed, the output shaft part is positioned and clamped by using the tool, the manual repeated positioning and clamping of the traditional machining method are replaced, the production efficiency is improved, and meanwhile, the problem that the consistency of batch difference caused by different machining habits, proficiency and different hand strength of different operators is not guaranteed is avoided.

The limiting structure on the base A2 comprises an A special-shaped groove 201 symmetrically arranged on the base A2 and an A inner hole 202 arranged on the base A2; the limiting structure on the base B3 is a B boss 301 fixedly arranged on the base B3, the base A2 is responsible for processing two D1 outer circle special-shaped grooves 105 which are symmetrical relative to a central axis and axially penetrate through the D1 outer circle 101 at one end of the output shaft, the shape of the base A2 is a through hole in the center, the base A2 is used for positioning a workpiece in a matched mode with the D2 outer circle 102 on the output shaft part 1, and the two A special-shaped grooves 201 which are symmetrical front and back are used for respectively and correspondingly processing the two special-shaped grooves of the output shaft part 1; the base B3 is used for processing a D4 outer circle special-shaped groove 107 which is perpendicular to the D4 outer circle 104 through the central axis and radially penetrates through the D4 outer circle 104 at the other end of the output shaft, and a D3 outer circle flat 106 on the D3 outer circle 103, wherein the shape of the base B3 is provided with two B bosses 301 which are symmetrical back and forth, and the two B bosses correspond to the two special-shaped grooves at the other end of the output shaft part 1 respectively and are used for positioning a workpiece; the fixing piece on the base A2 comprises an A threaded hole 204 formed in the base A2 and an A socket head cap screw 5 which is in threaded connection with the inside of the A threaded hole 204; the fixing piece on the base B3 comprises a B threaded hole 303 formed in the base B3 and a B inner hexagon screw 7 which is in threaded connection with the inside of the B threaded hole 303, and the thread of the A threaded hole 204 for the compression screw on the base A2 is a fine thread; the A threaded hole 204 for the compression screw on the base A2 is used for being matched with the socket head cap screw 5 of the base A2A to compress and fix a workpiece, and the characteristics and the use of the A threaded hole 204 for the compression screw on the base B3 and the base A2 are the same; the base A2 is provided with an A cylindrical pin hole 203, and an A cylindrical pin 4 is pin-connected in the A cylindrical pin hole 203; a B cylindrical pin hole 302 is formed in the base B3, a B cylindrical pin 6 is pin-connected in the B cylindrical pin hole 302, an A cylindrical pin hole 203 on the base A2 is used for being matched with an A cylindrical pin 4 on the base A2 to position an output shaft part 1, and the included angle alpha between the symmetry axes of two D1 outer circle special-shaped grooves 105 on the outer circle 101 of the processed output shaft D1 and the straight line connecting lines of two holes on the diagonal lines of 4D 1 outer circle threaded holes 108 on the outer circle 101 of the D1 is ensured; similarly, the characteristics and the usefulness of the cylindrical pin B302 and the cylindrical pin B6 on the base B3 are the same as those of the cylindrical pin A203 and the cylindrical pin A4 on the base A2; the base A2 is provided with an A threaded hole 204, an internal thread of the A threaded hole 204 is connected with an A inner hexagon screw 5, and the thread of the A threaded hole 204 for the compression screw on the base A2 is a fine thread; the A threaded hole 204 for the compression screw on the base A2 is used for being matched with the socket head cap screw 5 of the base A2A to compress and fix a workpiece; the output shaft part 1 is an output shaft of an electric steering engine, the output shaft is a stepped shaft, excircles D1, D2, D3 and D4 are sequentially arranged from a large end to a small end, two special-shaped grooves axially penetrating through the excircles are formed in the excircle 101 of the D1, 4 threaded through holes are distributed along the circumference of the D5, and a counter bore is formed in the end face of the special-shaped grooves; a D3 excircle flat 106 is arranged on the D3 excircle, and the plane where the flat is positioned is parallel to the straight line and the axis where the connecting lines of the two special-shaped grooves on the D1 excircle are positioned; the D4 excircle 104 is provided with a D4 excircle special-shaped groove 107 which passes through the central axis and is perpendicular to the excircle, the direction of the special-shaped groove is parallel to the straight line and the axis of the connecting line of the two special-shaped grooves on the D1 excircle 101, and the end surface is provided with a counter bore and a blind hole; the base A2 and the base B3 are both made of alloy structural steel, and the stability is good.

Working principle:

as shown in fig. 6, in step S1, a base A2 is used, the small end of an output shaft part 1 passes through a D2 outer circle 102 on the base A2, the output shaft D2 outer circle 102 is matched with an a inner hole 202 on the base A2 to position a workpiece, the left end surface of the D1 outer circle 101 is attached to a tool surface, 2 positioning pin tool a cylindrical pins 4 respectively pass through a D1 outer circle threaded hole 108 on the outer circle of the output shaft D1, 2 threaded holes on the diagonal are connected with an a cylindrical pin 203 on the base A2 to position the workpiece, then two tool a hexagon screws 5 are used to fix the workpiece, two D1 outer circle special-shaped grooves 105 on the D1 outer circle 101 are machined, and after the machining is completed, the workpiece is detached in the opposite order.

As shown in fig. 7, in step S2, two D1 outer circle special-shaped grooves 105 on the D1 outer circle 101 processed in the first step are respectively matched with two B bosses 301 on the base B3 to position a workpiece, the right end surface of the D1 outer circle 101 is attached to a fixture surface, 2 locating pin fixture B cylindrical pins 6 respectively penetrate through 2 threaded holes 302 on the diagonal line of a D1 outer circle threaded hole 108 on the output shaft D1 outer circle 101 to connect with a B cylindrical pin 302 on the base B3 to position the workpiece, then two fixture B inner screws 7 are used to fix the workpiece, a D4 outer circle special-shaped groove 107 on the D4 outer circle 104 and a D3 outer circle flat 106 on the D3 outer circle 103 are processed, and after the processing is completed, the workpiece is detached in the opposite order. The process is finished.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or skills in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. Axle type part processing frock with two kinds of abnormal shape grooves, its characterized in that includes:

the tool comprises a tool body, wherein the tool body comprises a base A (2) and a base B (3), limiting structures used for limiting two ends of an output shaft part (1) to be processed are respectively arranged on the base A (2) and the base B (3), and fixing pieces used for fixing and processing the output shaft part (1) are respectively arranged on the base A (2) and the base B (3).

2. The shaft part machining tool with two special-shaped grooves according to claim 1, wherein: the limiting structure on the base A (2) comprises an A special-shaped groove (201) symmetrically arranged on the base A (2) and an A inner hole (202) arranged on the base A (2);

the limiting structure on the base B (3) is a B boss (301) fixedly arranged on the base B (3).

3. The shaft part machining tool with two special-shaped grooves according to claim 2, wherein: the fixing piece on the base A (2) comprises an A threaded hole (204) formed in the base A (2) and an A socket head cap screw (5) in threaded connection with the inside of the A threaded hole (204);

the fixing piece on the base B (3) comprises a B threaded hole (303) formed in the base B (3), and a B socket head cap screw (7) in threaded connection with the inside of the B threaded hole (303).

4. The shaft part machining tool with two special-shaped grooves according to claim 1, wherein: an A cylindrical pin hole (203) is formed in the base A (2), and an A cylindrical pin (4) is connected with the inside of the A cylindrical pin hole (203) in a pin joint mode;

a B cylindrical pin hole (302) is formed in the base B (3), and a B cylindrical pin (6) is connected with the inner pin of the B cylindrical pin hole (302).

5. The shaft part machining tool with two special-shaped grooves according to claim 1, wherein: the output shaft part (1) is an output shaft of the electric steering engine, the output shaft is a stepped shaft, and excircles D1, D2, D3 and D4 are sequentially arranged from the large end to the small end.

6. The shaft part machining tool with two special-shaped grooves according to claim 1, wherein: the base A (2) and the base B (3) are both made of alloy structural steel.