Shaft positioning tool

Abstract

The application relates to a shaft positioning tool, a supporting plate, a cylindrical base arranged on the upper end face of the supporting plate, a lower guide positioning piece installed in the cylindrical base, an upper positioning sleeve connected to the upper end of the lower guide positioning piece, and a positioning block arranged on the upper positioning sleeve; wherein a shaft is installed in the upper positioning sleeve, and the lower end of the shaft abuts against the upper end face of the lower guide positioning piece; a first positioning hole is arranged in the side wall of the upper positioning sleeve, and the positioning block abuts against the side wall of the shaft through the first positioning hole to complete angular positioning of the shaft. The shaft positioning tool provided by the application can prevent axial movement and angular rotation of the shaft when the shaft is stored on a stocker, and further guarantees the positioning precision of the shaft.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circulating multi-station stacker, more particularly, to a shaft positioning tool for a circulating multi-station stacker. BACKGROUND

[0002] At present, the shaft positioning tool used by the multi-station circulating stacker basically adopts an inner guiding positioning mode or a method of external clamping by multiple limiting rods. However, in the actual use process, some parts to be machined have certain angular positioning requirements. Therefore, the existing shaft positioning tool cannot meet the angular positioning requirements. SUMMARY

[0003] Therefore, it is necessary to provide a shaft positioning tool capable of angular positioning of a shaft in view of the problem that the shaft positioning tool in the prior art cannot angularly position a shaft.

[0004] A shaft positioning tool, comprising a supporting plate, a cylindrical base arranged on an upper end surface of the supporting plate, a lower guiding positioning member arranged in the cylindrical base, an upper positioning sleeve connected to an upper end of the lower guiding positioning member, and a positioning block arranged on the upper positioning sleeve; wherein a shaft is arranged in the upper positioning sleeve, and a lower end of the shaft abuts against an upper end surface of the lower guiding positioning member; a side wall of the upper positioning sleeve is provided with a first positioning hole, and the positioning block abuts against a side wall of the shaft through the first positioning hole to complete angular positioning of the shaft.

[0005] Further, an abutting surface of the positioning block is profile-matched with an angular positioning surface of the shaft.

[0006] Further, the lower guiding positioning member comprises a first connecting portion, a second connecting portion, and a boss, the boss is located at a boundary between the first connecting portion and the second connecting portion, a radial dimension of the first connecting portion is matched with an inner diameter of the upper positioning sleeve, and a radial dimension of the second connecting portion is matched with an inner diameter of the cylindrical base.

[0007] Further, the second connecting portion is provided with a key groove in an axial direction, and an inner ring of the cylindrical base is provided with a protruding key matched with the key groove.

[0008] Further, an upper end surface of the boss is provided with a positioning pin, and a lower end surface of the upper positioning sleeve is provided with a second positioning hole matched with the positioning pin.

[0009] Further, a jacking plate is arranged between the supporting plate and the cylindrical base, the cylindrical base is a stepped cylinder, and a center of the jacking plate is provided with a through hole matched with a lower part of the stepped cylinder.

[0010] Further, at least two lifting positioning pins are arranged between the jacking plate and the supporting plate, and the relative position of the supporting plate and the jacking plate is determined through the lifting positioning pins.

[0011] Further, an elastic pin is further arranged between the jacking plate and the supporting plate, and the angular positioning between the jacking plate and the supporting plate is completed through the elastic pin.

[0012] Further, a chain pin shaft is arranged at the central position of the lower end surface of the supporting plate, and the chain pin shaft is used for transmitting power of an external chain to the shaft positioning tool.

[0013] The shaft positioning tool provided by the application comprises a lower guiding positioning member and an upper positioning sleeve, the shaft passes through the inner cylinder of the upper positioning sleeve and abuts against the upper end surface of the lower guiding positioning member, so that the axial positioning of the shaft is completed, and the shaft does not move axially in the positioning tool when the shaft is processed on the stacker; the positioning block is arranged on the upper positioning sleeve, and the abutting surface of the positioning block is matched with the angular positioning surface profile of the shaft, so that the shaft does not rotate angularly in the upper positioning sleeve, and the angular positioning of the shaft is completed. Therefore, the shaft positioning tool of the application is designed through the above special structure, so that the shaft does not move axially and rotate angularly when the shaft is stored on the stacker, and the positioning accuracy of the shaft is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The whole structure schematic view of the shaft positioning tool of the application;

[0015] Figure 2 The exploded view of the shaft positioning tool of the application;

[0016] Figure 3 The sectional view of the shaft positioning tool of the application;

[0017] Figure 4 The sectional view of the lower guiding positioning member of the shaft positioning tool of the application.

[0018] The figure mark: 1, supporting plate, 11, lifting positioning pin, 12, elastic pin, 13, chain pin shaft, 14, cavity;

[0019] 2, cylindrical base, 21, key, 22, flat key, 23, first jackscrew, 24, first threaded hole;

[0020] 3, lower guiding positioning member, 31, first connecting part, 32, second connecting part, 33, boss, 34, stud, 321, key groove, 331, positioning pin;

[0021] 4. Upper positioning sleeve; 41. First positioning hole; 42. Second positioning hole; 44. Second set screw; 45. Second threaded hole;

[0022] 5. Shaft component; 51. Locating surface;

[0023] 6. Positioning block; 61. Abutment surface; 62. Bolt;

[0024] 7. Lifting plate; 71. Through hole; 72. Through hole; 73. Pin hole. Detailed Implementation

[0025] To facilitate understanding of the present invention, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of the invention are shown in the drawings. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough and complete understanding of the disclosure of the invention.

[0026] It should be noted that when an element is referred to as being "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "end," "top," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0028] The dry chip removal device will now be described in conjunction with specific embodiments to further understand the inventive concept of the dry chip removal device.

[0029] like Figure 1 As shown, in one embodiment, a shaft positioning fixture of the present invention includes a support plate 1, a cylindrical base 2 disposed on the upper end face of the support plate 1, a lower guide positioning member 3 installed in the cylindrical base 2, an upper positioning sleeve 4 connected to the upper end of the lower guide positioning member 3, and a positioning block 6 disposed on the upper positioning sleeve 4. The shaft 5 is installed in the upper positioning sleeve 4, and its lower end abuts against the upper end face of the lower guide positioning member 3. That is, after the shaft 5 passes through the inner cylinder of the upper positioning sleeve 4, it abuts against the upper end face of the lower guide positioning member 3, thereby completing the axial positioning of the shaft 5. Preferably, as shown...Figure 3 As shown in the figure, the upper end of the lower positioning member 3 can be provided with a stud 34 corresponding to the threaded hole of the lower end of the shaft member 5. When the shaft member 5 is axially positioned, the shaft member 5 passes through the inner cylinder of the upper positioning sleeve 4, and when the lower end of the shaft member 5 contacts the stud 34, the shaft member 5 is slowly rotated to make the threaded hole of the lower end of the shaft member 5 fixedly connected with the stud 34, so that the axial positioning of the shaft member 5 is more accurate. Figure 1 As shown in the figure, the side wall of the upper positioning sleeve 4 is provided with a first positioning hole 41, and the positioning block 6 abuts against the side wall of the shaft member 5 after passing through the first positioning hole 41, so that the angular positioning of the shaft member 5 is completed, that is, the angular position of the shaft member 5 is fixed by the positioning block 6, so that the shaft member 5 cannot rotate angularly in the upper positioning sleeve 4. Preferably, the abutment surface 61 of the positioning block 6 matches the profile of the angular positioning surface 51 of the shaft member 5, for example, the angular positioning surface 51 of the shaft member 5 is a plane, and the abutment surface 61 of the positioning block 6 is also provided as a corresponding plane; the angular positioning surface 51 of the shaft member 5 is a cylindrical surface, and the abutment surface 61 of the positioning block 6 is provided as an arc surface matching the cylindrical surface; that is, as long as the abutment surface 61 of the positioning block 6 abuts against the angular positioning surface 51 on the shaft member 5 and can move relatively in a large range. Specifically, the positioning block 6 can be provided as a special bolt, and the first positioning hole 41 is provided with threads matched with the bolt, and the abutment surface 61 is abutted against the angular positioning surface 51 by tightening the positioning block 6. Figures 2-3 As shown in the figure, the positioning block 6 can also be provided as a "T-shaped" type, wherein the protruding part of the T-shaped type is inserted into the first positioning hole 41 and abuts against the side wall of the shaft member 5, and the head of the T-shaped positioning block 6 is provided with two threaded holes located on both sides of the protruding part, and the threaded holes are matched with bolts 62, and correspondingly, the upper positioning sleeve 4 is provided with two screw holes matched with the bolts 62, and the two screw holes are located on both sides of the first positioning hole 41, and the abutment surface 61 of the T-shaped positioning block 6 is abutted against the angular positioning surface 51 by tightening the bolts 62.

[0030] The shaft positioning tool provided by the present application passes the shaft member 5 through the inner cylinder of the upper positioning sleeve 4 and abuts against the upper end surface of the lower guiding positioning member 3, so that the axial positioning of the shaft member is completed, and the shaft member 5 cannot move axially in the positioning tool when it is stored on the stocker; the abutment surface 61 of the positioning block 6 matches the angular positioning surface of the shaft member 5, so that the shaft member 5 cannot rotate angularly in the upper positioning sleeve 4, and the angular positioning of the shaft member 5 is completed. Therefore, the shaft positioning tool of the present application is designed by the above special structure, so that the shaft member 5 cannot move axially and rotate angularly when it is stored on the stocker, and the positioning accuracy of the shaft member 5 is further ensured.

[0031] As shown in the figure, the side wall of the upper positioning sleeve 4 is provided with a first positioning hole 41, and the positioning block 6 abuts against the side wall of the shaft member 5 after passing through the first positioning hole 41, so that the angular positioning of the shaft member 5 is completed, that is, the angular position of the shaft member 5 is fixed by the positioning block 6, so that the shaft member 5 cannot rotate angularly in the upper positioning sleeve 4. Preferably, the abutment surface 61 of the positioning block 6 matches the profile of the angular positioning surface 51 of the shaft member 5, for example, the angular positioning surface 51 of the shaft member 5 is a plane, and the abutment surface 61 of the positioning block 6 is also provided as a corresponding plane; the angular positioning surface 51 of the shaft member 5 is a cylindrical surface, and the abutment surface 61 of the positioning block 6 is provided as an arc surface matching the cylindrical surface; that is, as long as the abutment surface 61 of the positioning block 6 abuts against the angular positioning surface 51 on the shaft member 5 and can move relatively in a large range. Specifically, the positioning block 6 can be provided as a special bolt, and the first positioning hole 41 is provided with threads matched with the bolt, and the abutment surface 61 is abutted against the angular positioning surface 51 by tightening the positioning block 6. Figure 2As shown, in an embodiment, the lower guide positioning member 3 comprises a first connecting portion 31, a second connecting portion 32 and a boss 33, wherein the boss 33 is located at the boundary between the first connecting portion 31 and the second connecting portion 32, and the first connecting portion 31, the second connecting portion 32 and the boss 33 can be integrally formed; when the cylindrical base 2, the lower guide positioning member 3 and the upper positioning sleeve 4 are connected, the boss 33 is located between the upper end of the cylindrical base 2 and the lower end of the upper positioning sleeve 4; wherein the radial dimension of the first connecting portion 31 matches the inner diameter of the upper positioning sleeve 4; the radial dimension of the second connecting portion 32 matches the inner diameter of the cylindrical base 4, that is, the first connecting portion 31 is inserted into the inner hole of the upper positioning sleeve 4, and the second connecting portion 32 is inserted into the inner hole of the cylindrical base 2, thereby completing the connection of the three. Wherein the second connecting portion 32 is provided with a key groove 321 in the axial direction, and the inner ring of the cylindrical base 2 is provided with a protruding key 21 matched with the key groove 32, when the lower guide positioning member 3 is connected with the cylindrical base 2, the key groove 32 only needs to be aligned with the protruding key 21 to complete the positioning of the lower guide positioning member 3 and the cylindrical base 2, which can be replaced by, as shown, Figure 3 As shown, a groove corresponding to the key groove 321 can also be provided in the inner cylinder of the cylindrical base 2, when the lower guide positioning member 3 is connected with the cylindrical base 2, the key groove 321 and the groove are aligned, and then the flat key 22 is inserted between the two grooves to complete the positioning of the lower guide positioning member 3 and the cylindrical base 4. Further, as shown, Figure 3 As shown, in order to prevent the relative rotation of the lower guide positioning member 3 in the cylindrical base 4, the first jackscrew 23 can be used to tightly press the side wall of the lower guide positioning member 3, so that the lower guide positioning member 3 cannot rotate in the cylindrical base 4. Specifically, the first threaded hole 24 is arranged on the side wall of the cylindrical base 2, the jackscrew 23 is placed in the first threaded hole 24, and the head of the first jackscrew 23 is pressed against the side wall of the lower guide positioning member 3 by tightening the first jackscrew 23, thereby completing the angular fixation of the cylindrical base 2 and the lower guide positioning member 3. In order to facilitate the connection and positioning of the upper positioning sleeve 4 and the lower guide positioning member 3, as shown, Figure 3 As shown, the positioning pin 331 can be arranged on the upper surface of the boss 33, and the second positioning hole 42 matched with the positioning pin 331 is arranged on the lower end surface of the upper positioning sleeve 4, that is, when the upper positioning sleeve 4 is connected with the lower guide positioning member 3, the second positioning hole 42 and the positioning pin 331 are only needed to be aligned to complete the positioning of the upper positioning sleeve 4 and the lower guide positioning member 3. Further, in order to prevent the angular rotation of the upper positioning sleeve 4 and the lower guide positioning member 3, as shown, Figure 4 As shown, the second jackscrew 44 is used to complete the angular fixation of the positioning sleeve 4 and the lower guide positioning member 3, specifically, the second threaded hole 45 is arranged on the side wall of the upper positioning sleeve 4, the second jackscrew 44 is placed in the second threaded hole 45, and the head of the second jackscrew 44 is pressed against the first connecting portion 31 of the lower guide positioning member 3 by tightening the second jackscrew 44, thereby angularly fixing the lower guide positioning member 3 and the upper positioning sleeve 4, that is, preventing the relative rotation.

[0032] In another embodiment, as shown in Figure 1 and Figure 3 A jacking plate 7 is arranged between the support plate 1 and the cylindrical base 2, the cylindrical base 2 is a stepped cylinder, the center of the jacking plate 7 is provided with a through hole 71 matched with the lower part of the stepped cylinder, and the lower end of the cylindrical base 2 can be fixed to the jacking plate 7 by bolts. The jacking plate 7 is located on the upper end surface of the support plate 1, and at least two lifting positioning pins 11 are arranged between the jacking plate 7 and the support plate 1. The relative position of the support plate 1 and the jacking plate 7 is determined by the positioning lifting pins 11. Specifically, two center-symmetric cavities 14 can be arranged on the upper end surface of the support plate 1, the positioning lifting pins 11 are fixed in the cavities 14, and corresponding through holes 72 are arranged on the jacking plate 7. The through holes 72 pass through the lifting positioning pins 11, so that the support plate 1 is installed on the jacking plate 7, that is, the relative position of the support plate 1 and the jacking plate 7 is determined. Further, elastic pins 12 are arranged between the jacking plate 7 and the support plate 1, and the angular positioning between the jacking plate 7 and the support plate 1 is completed by the elastic pins 12. That is, the elastic pins 12 are arranged on the support plate 1, and pin holes 73 matched with the elastic pins 12 are arranged on the jacking plate 7. The angular positioning between the jacking plate 7 and the support plate 1 is completed by the cooperation of the pin holes 73 and the elastic pins 12, so that the jacking plate 7 and the support plate 1 cannot rotate relative to each other.

[0033] In another embodiment, as shown in Figure 3 A chain pin shaft 13 is further arranged at the central position of the lower end surface of the support plate 1. The chain pin shaft 13 is used to transmit power of an external chain to the shaft positioning tool. That is, the external power source is connected with the chain pin shaft 13 through the chain, so as to drive the shaft positioning tool to rotate and complete corresponding processing.

[0034] The technical features of the above embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the description.

[0035] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A shaft member positioning tool characterized by, The shaft positioning tool comprises a supporting plate (1), a cylindrical base (2) arranged on the upper end surface of the supporting plate (1), a lower guide positioning member (3) installed in the cylindrical base (2), an upper positioning sleeve (4) connected to the upper end of the lower guide positioning member (3), and a positioning block (6) arranged on the upper positioning sleeve (4); wherein a shaft (5) is installed in the upper positioning sleeve (4), and the lower end of the shaft (5) abuts against the upper end surface of the lower guide positioning member (3); a first positioning hole (41) is arranged in the side wall of the upper positioning sleeve (4), and the positioning block (6) abuts against the side wall of the shaft (5) through the first positioning hole (41) to complete the angular positioning of the shaft (5). The lower guide positioning member (3) comprises a first connecting portion (31), a second connecting portion (32) and a boss (33), the boss (33) is located at the boundary between the first connecting portion (31) and the second connecting portion (32); the radial dimension of the first connecting portion (31) matches the inner diameter of the upper positioning sleeve (4); the radial dimension of the second connecting portion (32) matches the inner diameter of the cylindrical base (2). The upper end surface of the boss (33) is provided with a positioning pin (331), and the lower end surface of the upper positioning sleeve (4) is provided with a second positioning hole (42) matched with the positioning pin (331). The abutting surface (61) of the positioning block (6) matches the contour of the angular positioning surface (51) of the shaft (5).

2. The shaft positioning tool of claim 1, wherein, The second connecting portion (32) is provided with a key groove (321) in the axial direction, and the inner ring of the cylindrical base (2) is provided with a protruding key (21) matched with the key groove (321).

3. The shaft positioning tool of claim 1, wherein, A jacking plate (7) is arranged between the supporting plate (1) and the cylindrical base (2), the cylindrical base (2) is a stepped cylinder, and the center of the jacking plate (7) is provided with a through hole (71) matched with the lower part of the stepped cylinder.

4. The shaft positioning tool of claim 3, wherein, At least two lifting positioning pins (11) are arranged between the jacking plate (7) and the supporting plate (1), and the relative position of the jacking plate (7) and the supporting plate (1) is determined by the lifting positioning pins (11).

5. The shaft positioning tool of claim 4, wherein, An elastic pin (12) is further arranged between the jacking plate (7) and the supporting plate (1), and the angular positioning between the jacking plate (7) and the supporting plate (1) is completed by the elastic pin (12).

6. The shaft positioning tool of claim 1, wherein, A chain pin shaft (13) is further arranged at the central position of the lower end surface of the supporting plate (1), and the chain pin shaft (13) is used to transmit power of an external chain to the shaft positioning tool.

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