CN215035577U

CN215035577U - Clamp for broach machining

Info

Publication number: CN215035577U
Application number: CN202121268302.9U
Authority: CN
Inventors: 汤庆荣
Original assignee: Shanghai Yonghua Alloy Tool Co ltd
Current assignee: Shanghai Yonghua Alloy Tool Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-07
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses an anchor clamps are used in broach processing, include: a clamp body; a placing groove is formed in the clamp main body, and a broach to be processed is placed in the placing groove; the side wall of the clamp body is provided with a clamping piece used for tightly fixing the broach clamp to be machined in the placing groove, the clamping piece comprises a pressing plate and an ejector rod, the ejector rod comprises a rod part and a head part, the side wall of the clamp body is provided with a pressing groove matched with the ejector rod, a spring is arranged in the pressing groove, the inner side wall of the pressing groove is provided with a through hole communicated with the placing groove, and the rod part of the ejector rod is in abutting contact with the broach to be machined placed in the placing groove after sequentially penetrating through the spring and the through hole; and one side of the pressing plate facing the clamp main body is pressed on the head of the ejector rod through a first fixing screw. The utility model discloses rational in infrastructure, the clamping is stable, and convenient to use can a plurality of broaches of treating of clamping simultaneously, has improved machining efficiency, and the clamp force is firm, has avoided the problem that the work piece aversion easily leads to the rejection rate to rise and secondary incident to take place in the broach course of working.

Description

Clamp for broach machining

Technical Field

The utility model relates to a broach processing technology field, concretely relates to anchor clamps are used in broach processing.

Background

Broaches are shaped tools for broaching and have rows of teeth on their surface, the teeth of each row increasing and varying in size and shape from the cutting end to the cutting end. When the broach is machined in the prior art, after the broach is usually adsorbed by a sine magnet, the broach is quickly padded out at a proper angle through a standard mode, and then the broach is locked, fixed and completely clamped. The existing clamp for broach machining mainly has the following problems: 1. the sine magnet has low adsorption force and unstable clamping; 2. during locking, because the stress directions of screws at two ends are different, the time for adjusting the precision is longer, and the precision is difficult to ensure; 3. the whole set of clamp is heavy and inconvenient to install, is relatively laborious to move up and down and is inconvenient to move, and has low safety; 4. only one piece can be processed at a time, and the processing efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the above-mentioned not enough, providing an anchor clamps are used in broach processing, rational in infrastructure, the clamping is stable, convenient to use, and the clamping is a plurality of simultaneously treats the processing broach, has improved machining efficiency, and the clamp force is firm, has avoided broach course of working shift easily to lead to the rejection rate to rise and the problem that secondary incident takes place.

In order to achieve the above object, the utility model provides an anchor clamps are used in broach processing, include: a clamp body;

a holding groove is formed in the clamp main body, and a broach to be processed is placed in the holding groove;

the side wall of the clamp body is provided with a clamping piece used for tightly fixing the broach clamp to be machined in the placing groove, the clamping piece comprises a pressing plate and an ejector rod, the ejector rod comprises a rod part and a head part, the side wall of the clamp body is provided with a pressing groove matched with the ejector rod, a spring is arranged in the pressing groove, the inner side wall of the pressing groove is provided with a through hole communicated with the placing groove, and the rod part of the ejector rod is in abutting contact with the broach to be machined placed in the placing groove after sequentially penetrating through the spring and the through hole;

the pressing plate is fixed on the side wall of the clamp body through a first fixing screw, and one side, facing the clamp body, of the pressing plate is pressed on the head of the ejector rod through the first fixing screw.

In the above-mentioned clamp for broach processing, N broaches to be processed are placed in the placing groove, where N is an even number greater than or equal to 2; n broaches to be processed are sequentially placed in the placing groove; the placing sequence of the N broaches to be machined is consistent with the length direction of the placing groove, and the length direction of the placing groove is consistent with the length direction of the clamp body; the clamping piece is arranged on the side wall of the clamp body in the length direction.

In the above-mentioned broach processing clamp, there are two ejector rods, and the two ejector rods correspond to the positions of two adjacent broaches to be processed, which are placed in the placing groove, respectively.

The clamp for broaching tool machining is characterized in that a first threaded hole matched with the first fixing screw is formed in the side wall of the clamp body.

In the above-mentioned broach processing clamp, two first fixing screws are provided.

In the above-mentioned broach processing jig, the central axis of the ejector rod and the central axis of the through hole coincide with each other.

The fixture for broaching tool machining further comprises a positioning piece, wherein the positioning piece is abutted to the side wall of the fixture body in the width direction, and the side wall of the fixture body is abutted to the side wall of the fixture body and is provided with a clamping positioning piece adjacent to the side wall of the fixture body.

The fixture for broach machining comprises a supporting plate, wherein the supporting plate is installed on the side wall of the fixture body through a second fixing screw, and N supporting broaches to be machined in the placing groove and close to the supporting plate abut against the supporting plate.

The clamp for broaching tool machining is characterized in that a second threaded hole matched with the second fixing screw is formed in the side wall of the clamp body.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model relates to an anchor clamps are used in broach processing, rational in infrastructure, the clamping is stable, and convenient to use can a plurality of broaches of waiting to process of clamping simultaneously, has improved machining efficiency, and the clamp force is firm, has avoided the broach in the course of working the workpiece shift easily to lead to the rejection rate to rise and the problem that secondary incident takes place.

Drawings

Fig. 1 is a perspective view of a broach machining jig of the present invention;

fig. 2 is an exploded view of the broach machining jig according to the present invention;

fig. 3 is a diagram showing a state of use when a broach to be machined is mounted and clamped on the clamp for broach machining of the present invention;

FIG. 4 is a left side view of FIG. 3;

fig. 5 is a right side view of fig. 3.

The correspondence between each mark and the part name is as follows:

the clamp comprises a clamp body 1, a placing groove 2, a pressing plate 3, an ejector rod 4, a spring 5, a broach 6 to be machined, a first fixing screw 7, a first threaded hole 8, a leaning plate 9, a second fixing screw 10, a second threaded hole 11 and a pressing groove 12.

Detailed Description

In order to make the technical means of the implementation of the present invention, for making the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below, and it is clear and completely described the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 to 5, the present embodiment discloses a broach machining jig, including: a jig main body 1; a groove 2 is arranged on the clamp body 1, and a broach 6 to be processed is arranged in the groove 2; the side wall of the clamp main body 1 is provided with a clamping piece for clamping and fixing the broach 6 to be processed in the placing groove 2, the clamping piece comprises a pressing plate 3 and an ejector rod 4, the ejector rod 4 comprises a rod part and a head part, the side wall of the clamp main body 1 is provided with a pressing groove 12 matched with the ejector rod 4, a spring 5 is arranged in the pressing groove 12, the inner side wall of the pressing groove 12 is provided with a through hole communicated with the placing groove 2, and the rod part of the ejector rod 4 is in abutting contact with the broach 6 to be processed placed in the placing groove 2 after sequentially penetrating through the spring 5 and the through hole; the pressing plate 3 is fixed on the side wall of the clamp body 1 through a first fixing screw 7, and one side of the pressing plate 3 facing the clamp body 1 is pressed on the head of the mandril 4 through the first fixing screw 7.

When anchor clamps for broach processing in this embodiment specifically used, set up the pressure through the pressure of first set screw 7 adjustment clamp plate 3 pressure on locating ejector pin 4 and establish the power, press from both sides the broach 6 of treating processing of placing in standing groove 2 and place tightly, after the processing is accomplished, loosen first set screw 7, ejecting in the standing groove 12 with ejector pin 4 under spring 5's effect, clamp plate 3 relaxs, the broach of the completion processing in can be convenient taking out standing groove 2.

Specifically, N broaches 6 to be machined are placed in the placement groove 2 in this embodiment, where N is an even number equal to or greater than 2; n broaches 6 to be processed are sequentially placed in the placing groove 2; the placing sequence of the N broaches 6 to be processed is consistent with the length direction of the placing groove 2, and the length direction of the placing groove 2 is consistent with the length direction of the clamp body 1; the clamping member is provided on a side wall in the longitudinal direction of the jig main body 1.

Wherein, the number of the ejector rods 4 is two, and the two ejector rods 4 respectively correspond to the positions of two adjacent broaches 6 to be processed which are placed in the placing groove 2. Namely, two adjacent broaches to be machined, which are placed in the placement groove 2, are clamped and positioned in the placement groove 2 by one clamping member.

Wherein N in this embodiment is 4.

Wherein, be provided with the first screw hole 8 with first set screw 7 looks adaptation on the anchor clamps main part 1 lateral wall.

The two first fixing screws 7 are arranged up and down, and the height of the pressing plate 3 can be conveniently adjusted through the two first fixing screws 7 to adapt to broaches 6 to be processed with different heights.

Wherein, the central axis of the mandril 4 in the embodiment is coincided with the central axis of the through hole.

In addition, the anchor clamps for broach processing in this embodiment still including leaning on the setting element, support and lean on the setting element to set up on the lateral wall of 1 width direction of anchor clamps main part, support and lean on setting element place anchor clamps main part 1 lateral wall and press from both sides tight setting element place anchor clamps main part 1 lateral wall adjacent.

Wherein, support and lean on the setting element including supporting the board 9, support and lean on the board 9 to install on the anchor clamps main part 1 lateral wall through second set screw 10, N places and supports to contact with supporting the board 9 in waiting to process broach 6 that is close to supporting the board 9 in waiting to process broach 6 in standing groove 2.

Wherein, a second screw hole 11 matched with the second fixing screw 10 is arranged on the side wall of the clamp main body 1. And two second threaded holes 11 are also arranged to facilitate the adjustment of the height of the abutting plate 9.

Wherein, the inclination of the bottom wall in the placing groove 2 in the embodiment is consistent with the inclination of the bottom of the broach 6 to be processed. Lean on the setting element to set up in the position department that corresponds with diapire bottom in standing groove 2.

When the anchor clamps for broach processing in this embodiment specifically used, support and lean on board 9 at first to install on 1 lateral wall of anchor clamps main part through second set screw 10, then with N waiting to process broach 6 and place in standing groove 2 in proper order, in cutting, it leans on the contact with supporting to lean on board 9 to be close to the broach 6 of waiting to process that supports board 9 in N waiting to process broach 6 placed in standing groove 2, utilize to support the board 9 to accomplish N location of waiting to process broach 6 promptly, then clamp tightly fixedly to placing waiting to process broach 6 in standing groove 2 through a plurality of clamping pieces.

The anchor clamps are used in broach processing in this embodiment, rational in infrastructure, the clamping is stable, and convenient to use can a plurality of broaches 6 of treating processing of clamping simultaneously, has improved machining efficiency, and the clamp force is firm, has avoided the broach course of working in the work piece aversion easily to lead to the rejection rate to rise and the problem that secondary safety accident takes place. The broach machining clamp in the embodiment can be used for machining the broach conical surface and the cutter tooth part, and the broach machining clamp in the embodiment can be used for multiple devices, such as a wire cutting machine, a broach grinding machine, a surface grinding machine and the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a anchor clamps are used in broach processing which characterized in that includes: a clamp body;

2. The broach machining jig according to claim 1, wherein N broaches to be machined are placed in the placement groove, where N is an even number equal to or greater than 2; n broaches to be processed are sequentially placed in the placing groove; the placing sequence of the N broaches to be machined is consistent with the length direction of the placing groove, and the length direction of the placing groove is consistent with the length direction of the clamp body; the clamping piece is arranged on the side wall of the clamp body in the length direction.

3. The broach machining jig according to claim 2, wherein there are two ejector pins, and the two ejector pins correspond to positions of two adjacent broaches to be machined which are placed in the placement grooves, respectively.

4. The broach machining jig according to claim 1, wherein the jig body side wall is provided with a first threaded hole adapted to the first fixing screw.

5. The broach machining jig according to claim 1, wherein there are two first fixing screws.

6. The broach machining jig according to claim 1, wherein a central axis of the carrier rod and a central axis of the through hole coincide with each other.

7. The broach machining jig according to claim 2, characterized in that the broach machining jig further includes a butting positioning member, the butting positioning member is disposed on a side wall of the jig main body in the width direction, and the side wall of the jig main body where the butting positioning member is located is adjacent to the side wall of the jig main body where the clamping positioning member is located.

8. The broach machining jig according to claim 7, characterized in that the abutting positioning member includes an abutting plate, the abutting plate is mounted on the side wall of the jig body by a second fixing screw, and N broaches to be machined placed in the placing groove and close to the abutting plate are in abutting contact with the abutting plate.

9. The broach machining jig according to claim 8, wherein a second threaded hole adapted to the second fixing screw is provided in the side wall of the jig body.