CN214867285U - Claw trimmer - Google Patents

Abstract

The utility model relates to a jack catch trimmer, including a plurality of regulating block (1) that are used for being connected with each jack catch respectively and through the fastener with a plurality of supporting disk (2) that regulating block (1) are connected, it is a plurality of regulating block (1) are followed the circumference equidistance of supporting disk (2) distributes, regulating block (1) or supporting disk (2) have along the confession of radial extension oblong hole (11) that the fastener passed, so that regulating block (1) is adjustable in radial position. Therefore, the positions of the fasteners for connecting the adjusting block and the supporting disk in the oblong hole are changed, the positions of the adjusting block in the radial direction are adjusted, the adjusting block is tightly connected with the supporting disk after the position of the adjusting block is determined according to actual requirements, then the adjusting block is tightly connected with the clamping jaw, the clamping jaw is prevented from loosening, the contact surface of the clamping jaw for clamping a workpiece is turned by a lathe at the moment, the coaxiality is adjusted, the clamping jaw is coaxial with the main shaft, and the reliability of clamping the workpiece and the lathe machining quality are guaranteed.

Description

Claw trimmer

Technical Field

The utility model relates to a lathe machining technical field specifically, relates to a gripper trimmer.

Background

In lathe machining, the three-jaw chuck is the most commonly used workpiece clamping tool, the coaxiality of the three-jaw chuck is reduced and the phenomenon of a horn mouth occurs after the three-jaw chuck is used for a long time, the machining precision and the clamping reliability are directly influenced, and at the moment, the clamping position of the jaw needs to be turned, so that the coaxiality and the parallelism of the jaw and a main shaft are adjusted, and the clamping reliability of the chuck and the machining quality of a lathe are ensured. In the related art, three clamping jaws are directly turned, and due to the fact that the clamping jaws are loosened, the turning precision is poor, and the coaxiality cannot be recovered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a jack catch trimmer, this jack catch trimmer can solve directly when finishing the jack catch at present and carry out lathe work to jack catch centre gripping position, and the jack catch easily becomes flexible and leads to the turning precision relatively poor, can't resume the problem of axiality.

In order to achieve the above object, the present disclosure provides a jaw dresser, including a plurality of adjusting blocks for being connected with each jaw respectively and a support disk connected with the adjusting blocks through fasteners, the adjusting blocks being distributed equidistantly along a circumferential direction of the support disk, the adjusting blocks or the support disk having oblong holes extending in a radial direction for the fasteners to pass through, so that a position of the adjusting blocks in the radial direction is adjustable.

Optionally, the jaw dresser further comprises a pressing plate, a sliding groove for the pressing plate to be clamped in is formed in the inner peripheral wall of the long circular hole of the adjusting block, and the fastener penetrates through the pressing plate to press the adjusting block onto the supporting plate.

Optionally, two mounting holes for the fastening piece to pass through are respectively arranged at positions corresponding to the support plate and the pressure plate.

Optionally, the interconnection of the adjusting block and the supporting disk is respectively formed with a plurality of teeth distributed at equal intervals, a plurality of adjacent teeth are formed with tooth grooves therebetween, the teeth of the adjusting block are engaged with the tooth grooves of the supporting disk, and the teeth of the supporting disk are engaged with the tooth grooves of the adjusting block.

Optionally, the supporting disc is circular, the inner contour of the supporting disc is circular, the outer contour of the supporting disc is composed of a plurality of sections of circular arcs and straight lines which are alternately connected, and the plurality of sections of circular arcs correspond to the positions of the plurality of adjusting blocks one to one respectively.

Optionally, one end of the adjusting block, which faces the inside of the supporting disk, is arc-shaped, and is provided with a positioning hole for a bolt to pass through, so that the adjusting block is connected with the clamping jaw.

Optionally, the jaw dresser comprises three adjusting blocks which are equidistantly distributed on the circumferential direction of the supporting disc.

Optionally, the length of the long round hole is 60-70 mm, and the width of the long round hole is 8-9 mm.

Optionally, the depth of the chute is 5 mm.

Optionally, the adjusting block and the supporting disk are both made of steel.

According to the technical scheme, the positions of the fasteners for connecting the adjusting block and the supporting disk in the long round hole are changed, the positions of the adjusting block in the radial direction are adjusted, the adjusting block is tightly connected with the supporting disk after the position of the adjusting block is determined according to actual requirements, then the adjusting block is tightly connected with the clamping jaw, the clamping jaw is prevented from loosening, turning is carried out on the contact surface of the clamping jaw for clamping a workpiece by using a lathe at the moment, the coaxiality is adjusted, the clamping jaw is coaxial with the main shaft, and the reliability of clamping the workpiece and the quality of lathe machining are guaranteed.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic structural view of a jaw dresser provided in an exemplary embodiment of the present disclosure;

FIG. 2 is an isometric view of an adjustment block in a jaw dresser provided in an exemplary embodiment of the present disclosure;

fig. 3 is a bottom view of an adjustment block in a jaw dresser provided in an exemplary embodiment of the present disclosure;

fig. 4 is an isometric view of a support disk in a jaw dresser provided in an exemplary embodiment of the present disclosure;

fig. 5 is a bottom view of a support plate in a jaw dresser provided in an exemplary embodiment of the present disclosure.

Description of the reference numerals

1 adjusting block 11 oblong hole

12 chute 2 support plate

3 pressing plate 4 mounting holes

5 tooth 6 tooth socket

7 positioning hole

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

Unless stated to the contrary, the terms "upper", "lower", "top" and "bottom" as used in this disclosure are used with respect to the actual state of use of the relevant component. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

Referring to fig. 1 and 2, the present embodiment provides a jaw dresser, which includes a plurality of adjusting blocks 1 respectively used for being connected with each jaw, and a supporting disk 2 connected with the plurality of adjusting blocks 1 through fasteners, wherein the plurality of adjusting blocks 1 are equidistantly distributed along the circumferential direction of the supporting disk 2, and the adjusting blocks 1 or the supporting disk 2 have oblong holes 11 extending in the radial direction for the fasteners to pass through, so that the positions of the adjusting blocks 1 in the radial direction can be adjusted. Here, it should be noted that the oblong hole 11 may be disposed on the adjusting block 1, or may be disposed on the supporting plate 2, the fastener is loosened, the adjusting block 1 may slide inward or outward relative to the supporting plate 2 in the radial direction, and after the adjustment is completed, the fastener is tightened to achieve stable connection between the adjusting block 1 and the supporting plate 2, which will be described in detail in this disclosure by taking the oblong hole 11 formed on the adjusting block 1 as an example.

Through the technical scheme, the positions of the fasteners for connecting the adjusting block 1 and the supporting disk 2 in the oblong hole 11 are changed, the position of the adjusting block 1 in the radial direction is adjusted, after the position of the adjusting block 1 is determined according to actual requirements, the adjusting block 1 is tightly connected with the supporting disk 2, the clamping diameter of the clamping jaw can be adjusted within the range of 30mm-120mm, then the adjusting block 1 is tightly connected with the clamping jaw, the clamping jaw is prevented from loosening, at the moment, turning is carried out on the contact surface of the clamping jaw for clamping a workpiece by using a lathe, the coaxiality is adjusted, the clamping jaw is coaxial with the main shaft, and the reliability of clamping the workpiece and the quality of lathe machining are guaranteed.

The connection mode of the adjusting block 1 and the supporting disk 2 can be various. In the embodiment of the disclosure, referring to fig. 1 and 2, the jaw dresser may further include a pressing plate 3, a sliding groove 12 for the pressing plate 3 to be clamped in may be formed on an inner peripheral wall of the oblong hole 11 of the adjusting block 1, and a fastener penetrates through the pressing plate 3 to press the adjusting block 1 against the supporting plate 2, specifically, the fastener may be a bolt, and through the above arrangement, a head of the fastener abuts against the pressing plate 3, which may increase a contact area with the adjusting block 1, facilitate fastening connection of the adjusting block 1 and the supporting plate 2, and avoid a problem that the bolt directly penetrates through the oblong hole 11, which is not firm in connection, and the bolt is easy to slide or be disengaged from the oblong hole 11. Further, the pressing plate 3 may be made of 45# steel.

Specifically, referring to fig. 1 and 5, two mounting holes 4 for passing through fasteners may be respectively disposed at corresponding positions of the supporting plate 2 and the pressing plate 3, further, in an embodiment of the present disclosure, a nominal diameter of the mounting holes 4 may be 8mm, and it should be noted that the number and size of the mounting holes 4 are not specifically limited herein, and all of them belong to the protection scope of the present disclosure.

As an exemplary embodiment of the present disclosure, referring to fig. 3 and 4, a plurality of teeth 5 may be formed at the interconnection between the adjustment block 1 and the support plate 2, and a tooth space 6 is formed between a plurality of adjacent teeth 5, the teeth of the adjustment block 1 are engaged with the tooth space of the support plate 2, and the teeth of the support plate 2 are engaged with the tooth space of the adjustment block 1, so that the adjustment block 1 and the support plate 2 are engaged and fastened when being connected, and a clamping force is increased in a locked state of the adjustment block 1 and the support plate 2, thereby preventing a clamping insecure condition when a jaw is trimmed by using a tool. Since the plurality of teeth 5 are all the same size, the position adjustment of the adjusting block 1 relative to the supporting disk 2 is not affected. In other embodiments, the joint between the adjusting block 1 and the supporting disk 2 may be configured in any suitable form, and it is sufficient to increase the friction force at the joint between the adjusting block 1 and the supporting disk 2, and all of them belong to the protection scope of the present disclosure.

The profile of the support disc 2 can be varied. In the embodiment of the present disclosure, referring to fig. 4, the supporting disk 2 may be circular, the inner contour of the supporting disk 2 is circular, the outer contour of the supporting disk 2 may be composed of multiple segments of circular arcs and straight lines which are alternately connected, the multiple segments of circular arcs respectively correspond to the positions of the plurality of adjusting blocks 1 one to one, and by arranging the straight line segments between the segments of circular arcs, the use of materials can be reduced, the weight is reduced, and the cost is reduced.

According to some embodiments, referring to fig. 2, one end of the adjusting block 1 facing the inside of the supporting plate 2 may be arc-shaped, and is provided with a positioning hole 7 for a bolt to pass through for connecting with a jaw, so as to facilitate the disassembly and assembly between the jaw dresser and the jaw. In other embodiments, the adjusting block 1 and the jaw may also be connected by screws, pins, etc., all of which belong to the protection scope of the present disclosure, and the end of the adjusting block 1 is configured to be arc-shaped, which can avoid scratching the operator when being connected with the jaw, and improve the safety of the jaw corrector.

Specifically, in the embodiment of the present disclosure, referring to fig. 1, the jaw dresser may include three adjusting blocks 1 equidistantly distributed on a circumferential direction of the supporting disk 2, and the adjusting blocks 1 are respectively connected to three jaws of the three-jaw chuck in a one-to-one correspondence manner, and here, the number of the adjusting blocks 1 is not specifically limited, and all of the adjusting blocks belong to the protection scope of the present disclosure.

Further, the length of the oblong hole 11 may be 60-70 mm, and the width may be 8-9 mm, and in the embodiment of the present disclosure, the length of the oblong hole 11 is 66mm, and the width is 8.1 mm.

Still further, the depth of the chute 12 may be 5 mm.

In the embodiment of the present disclosure, the adjusting block 1 and the supporting disk 2 may be made of steel.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. The clamping jaw trimmer is characterized by comprising a plurality of adjusting blocks (1) which are respectively used for being connected with each clamping jaw and a plurality of supporting discs (2) which are connected with the adjusting blocks (1) through fasteners, wherein the adjusting blocks (1) are distributed along the circumferential direction of the supporting discs (2) at equal intervals, and the adjusting blocks (1) or the supporting discs (2) are provided with long round holes (11) which extend along the radial direction and are used for the fasteners to penetrate through, so that the positions of the adjusting blocks (1) in the radial direction can be adjusted.

2. The jaw dresser of claim 1, further comprising a pressing plate (3), wherein a sliding groove (12) for the pressing plate (3) to be clamped in is formed in the inner peripheral wall of the oblong hole (11) of the adjusting block (1), and the fastening piece penetrates through the pressing plate (3) to press the adjusting block (1) on the supporting plate (2).

3. A jaw dresser as claimed in claim 2, wherein two mounting holes (4) for the fasteners to pass through are provided at corresponding positions of the support disc (2) and the pressure plate (3), respectively.

4. Jaw dresser according to claim 1, characterized in that a plurality of equidistantly distributed teeth (5) are formed at the interconnection of the adjusting block (1) and the supporting disc (2), respectively, a tooth space (6) is formed between a plurality of adjacent teeth (5), the teeth of the adjusting block (1) are meshed with the tooth space of the supporting disc (2), and the teeth of the supporting disc (2) are meshed with the tooth space of the adjusting block (1).

5. Jaw dresser according to claim 1, characterized in that the support disc (2) is circular, the inner contour of the support disc (2) is circular, the outer contour of the support disc (2) consists of a plurality of segments of circular arcs and straight lines which are alternately connected, and the plurality of segments of circular arcs correspond to the positions of the plurality of adjusting blocks (1) one to one.

6. A jaw dresser as claimed in claim 1, wherein the adjusting block (1) is arcuate in shape at its end facing the interior of the support plate (2) and is provided with a locating hole (7) for a bolt to pass through for connection with the jaw.

7. A jaw dresser according to claim 1, characterized in that the jaw dresser comprises three adjusting blocks (1) distributed equidistantly around the circumference of the supporting disc (2).

8. A jaw dresser as claimed in claim 1, wherein the oblong hole (11) has a length of 60-70 mm and a width of 8-9 mm.

9. A jaw dresser according to claim 2, wherein the depth of the runner (12) is 5 mm.

10. Jaw dresser according to claim 1, characterized in that the adjusting block (1) and the support disc (2) are both made of steel.

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