CN220698040U - Double-sided chamfering die - Google Patents

Abstract

The utility model relates to the field of chamfering processing dies, and discloses a double-sided chamfering die which comprises a lower die plate provided with a lower forming groove, an upper die plate provided with an upper forming groove relatively, a positioning piece for positioning a workpiece in the lower forming groove, and a first groove for installing the positioning piece; the two positioning pieces are symmetrically arranged at the left side and the right side of the lower forming groove, and the width of each positioning piece is smaller than that of the first groove; the positioning piece is provided with a compression spring, one end of the compression spring is connected with the positioning piece, and the other end of the compression spring is fixed on one side wall, far away from the workpiece, of the first groove; the upper end of the positioning piece is also provided with an extension part, and the compression spring extrudes the positioning piece to enable the two extension parts to be respectively abutted against the two side walls of the workpiece; the upper die plate is provided with a second groove capable of accommodating the extension part, and the extension part is provided with a guide inclined plane which is convenient for guiding the extension part into the second groove; the double-sided chamfering workpiece can be obtained by one-time stamping, the stress on the two sides is balanced, the machining precision is high, the machining cost is saved, and the production efficiency and the product quality are improved.

Description

Double-sided chamfering die

Technical Field

The utility model relates to the field of chamfering processing dies, in particular to a double-sided chamfering die.

Background

In the production process of hardware products, sharp corners or burrs are easily formed on materials, the skin can be possibly cut, or other products are damaged in assembly, chamfering is an essential ring, burrs can be removed through chamfering, smoothness and roundness are achieved, safety is improved, and subsequent assembly of parts is facilitated; the chamfering processing has a plurality of modes such as cutter cutting, die stamping and manual chamfering, and in the chamfering work of die stamping, most of the existing chamfering dies can only realize chamfering one surface of a part, and the part with two surfaces needing chamfering such as a plate-shaped part needs to be moved to the next die to carry out chamfering processing of the other surface after being subjected to one-time stamping, or the part is turned to carry out one-time chamfering processing, so that one chamfering process is added in the whole production flow, the stamping cost is increased, the technological flow and the production period are prolonged, and the production efficiency is influenced; in addition, in the moving process of the part, the problem of chamfering precision can be caused by the deviation of the positions of the two chamfering.

Disclosure of Invention

The present utility model aims to solve the problems described above by providing a double-sided chamfering die which solves the problems described above.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a double-sided chamfering die, which comprises an upper die mechanism and a lower die mechanism; an upper template is horizontally arranged at the bottom end of the upper die mechanism, and a lower template is horizontally arranged at the top end of the lower die mechanism; the lower template is provided with a lower forming groove, and the upper template is provided with an upper forming groove; the die further comprises a positioning piece for positioning a workpiece in the lower forming groove, and a first groove for installing the positioning piece; the positioning pieces are symmetrically arranged on the left side and the right side of the lower molding groove, the first groove is formed in the lower mold plate, and the width of the positioning pieces is smaller than that of the first groove; the positioning piece is provided with a compression spring, one end of the compression spring is connected with the positioning piece, and the other end of the compression spring is fixed on one side wall, far away from the workpiece, of the first groove; the upper end of the positioning piece is also provided with an extension part extending out of the first groove, and the compression spring extrudes the positioning piece to move towards the direction of the workpiece, so that one end, close to the workpiece, of each extension part is respectively abutted against the left side wall and the right side wall of the workpiece; the upper template is close to one end of setting element corresponds and is provided with can hold the second recess of extension, extension upper end is provided with the guide inclined plane of being convenient for guide it entering the second recess.

The double-sided chamfering die comprises a positioning piece, wherein a mounting groove is horizontally formed in the positioning piece, a compression spring is arranged on one side wall, close to a workpiece, of the mounting groove, when the compression spring is compressed in place, the compression spring is completely contained in the mounting groove, and the extension part is located in the second groove.

The utility model discloses a double-sided chamfering die, wherein the upper die mechanism further comprises an upper die seat horizontally arranged and an upper base plate fixed at the lower end of the upper die seat; the lower end of the upper backing plate is fixedly connected with the upper template.

The utility model discloses a double-sided chamfering die, wherein the lower die mechanism further comprises a lower die seat horizontally arranged, a lower base plate fixed at the upper end of the lower die seat and a supporting frame for supporting the lower die seat; the upper end of the lower backing plate is fixedly connected with the lower template.

The utility model discloses a double-sided chamfering die, wherein an inner guide post is further fixed at the lower end of an upper base plate, coaxial through holes are formed in the upper die plate, the lower die plate and the lower base plate, and the lower end of the inner guide post sequentially penetrates through the upper die plate, the lower die plate and the lower base plate through the through holes.

The utility model discloses a double-sided chamfering die, which further comprises an outer guide post for connecting an upper die holder and a lower die holder.

The utility model has the beneficial effects that: the utility model has simple structure and convenient processing, and the positioning pieces are arranged on the two sides of the lower die forming groove, so that the workpiece can be accurately guided and fixed, the chamfer cannot deviate, and the positioning pieces can be skillfully contained in the second groove of the upper die plate after die assembly; according to the utility model, the workpiece is placed by arranging the upper forming groove and the lower forming groove with the chamfer, and four right angles of two sides of the workpiece are completely attached to the shape of the forming groove during stamping, so that the chamfer is formed on the workpiece, the workpiece with the double-sided chamfer can be obtained by only one stamping, the stress on the two sides is balanced, the machining precision is high, the machining cost is saved, the production efficiency and the product quality are improved, and the practicability is very high.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

FIG. 1 is a longitudinal sectional view of a double-sided chamfering die of the present utility model in an open state.

FIG. 2 is a longitudinal sectional view showing a down-going state of an upper die mechanism of the double-sided chamfering die of the present utility model.

FIG. 3 is a longitudinal sectional view of the double-sided chamfering die of the present utility model in a closed-die state.

Fig. 4 is a schematic longitudinal section view of the double-sided chamfering die of the present utility model in a state where the upper and lower molding grooves are engaged with the work piece.

In the figure: 1. an upper die mechanism; 11. an upper template; 12. an upper die holder, 13 and an upper base plate; 110. an upper molding groove; 111. a second groove; 2. a lower die mechanism; 21. a lower template; 22. a lower die holder, 23 and a lower base plate; 24. a support frame; 210. a lower molding groove; 211. a first groove; 3. a workpiece; 4. a positioning piece; 41. an extension; 42 guiding inclined plane; 43. a mounting groove; 5. a compression spring; 6. an inner guide post; 7. a through hole; 8. an outer guide post; 9. chamfering female die.

Detailed Description

The terms "first," "second," "third," and "fourth" and the like in the description and in the claims and drawings are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

"plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

Moreover, the terms "upper, lower, left, right, upper end, lower end, longitudinal" and the like that represent the orientation are all referred to with reference to the attitude position of the apparatus or device described in this scheme when in normal use.

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

The double-sided chamfering die of the preferred embodiment of the present utility model, as shown in fig. 1 to 4, comprises an upper die mechanism 1 and a lower die mechanism 2; the bottom end of the upper die mechanism 1 is horizontally provided with an upper die plate 11, and the top end of the lower die mechanism 2 is horizontally provided with a lower die plate 21; the lower die plate 21 is provided with a lower molding groove 210, and the upper die plate 11 is provided with an upper molding groove 110; the mold further includes a positioning member 4 for positioning the workpiece 3 in the lower molding groove 210, and a first groove 211 for mounting the positioning member 4; the positioning pieces 4 are symmetrically arranged on the left side and the right side of the lower forming groove 210, the first grooves 211 are arranged on the lower die plate 21, and the width of the positioning pieces 4 is smaller than that of the first grooves 211; the positioning piece 4 is provided with a compression spring 5, one end of the compression spring 5 is connected with the positioning piece 4, and the other end of the compression spring is fixed on one side wall of the first groove 211 far away from the workpiece 3; the upper end of the positioning piece 4 is also provided with an extension part 41 extending out of the first groove 211, and the compression spring 5 extrudes the positioning piece 4 to move towards the workpiece 3, so that one end, close to the workpiece 3, of the two extension parts 41 is respectively abutted against the left side wall and the right side wall of the workpiece 3; the upper die plate 11 is correspondingly provided with a second groove 111 which can accommodate the extension part 41 at one end close to the positioning piece 4, and a guide inclined surface 42 which is convenient for guiding the extension part 41 into the second groove 111 is arranged at the upper end of the extension part 41.

Both ends of the upper molding groove 110 and the lower molding groove 210 are provided with chamfering female dies 9, and the chamfering female dies 9 can be C chamfer, R chamfer or line chamfer; the workpiece 3 needing chamfering is placed in the lower forming groove 210, after the die is closed, the upper forming groove 110 and the lower forming groove 210 are closed and clamp the workpiece 3, and the workpiece is attached to the chamfering female die 9 in the upper forming groove 110 and the lower forming groove 210 through extrusion of the workpiece 3, so that the original right angle of the workpiece is formed into a chamfer; a space for the positioning pieces 4 to move is reserved in the first groove 211, the compression springs 5 are always in a semi-compression state, and the compression springs 5 squeeze the positioning pieces 4, so that the two positioning pieces 4 abut against the workpiece 3 at the left side and the right side to play a role in positioning and correcting; the width of the extension 41 is greater than the width of the rest of the positioning member 4 so as to be close to and abut against the workpiece 3; the upper end of the extension part 41 is provided with a guide inclined plane 42, the guide inclined planes 42 of the left extension part 41 and the right extension part 41 are symmetrically arranged, when the upper die mechanism 1 drives the upper die plate 11 to move downwards, the upper die plate 11 slides downwards along the guide inclined planes 42 on two sides and pushes the two positioning pieces 4 to the left side and the right side, the compression spring 5 further compresses, the extension parts 41 of the positioning pieces 4 enter the second groove 111, and at the moment, the die is in a die clamping state.

The utility model has simple structure and convenient processing, and the positioning pieces are arranged on the two sides of the lower die forming groove, so that the workpiece can be accurately guided and fixed, the chamfer cannot deviate, and the positioning pieces can be skillfully contained in the second groove of the upper die plate after die assembly; according to the utility model, the workpiece is placed by arranging the upper forming groove and the lower forming groove with the chamfer, and four right angles of two sides of the workpiece are completely attached to the shape of the forming groove during stamping, so that the chamfer is formed on the workpiece, the workpiece with the double-sided chamfer can be obtained by only one stamping, the stress on the two sides is balanced, the machining precision is high, the machining cost is saved, the production efficiency and the product quality are improved, and the practicability is very high.

Preferably, the positioning piece 4 is horizontally provided with a mounting groove 43, the compression spring 5 is arranged on one side wall of the mounting groove 43 close to the workpiece 3, when the compression spring 5 is compressed in place, the compression spring 5 is completely contained in the mounting groove 43, and the extension part 41 is positioned in the second groove 111; the compression spring 5 is always in a semi-compressed state, and the mounting groove 43 provides a mounting position for the compression spring 5, and also plays a role in limiting and protecting the compression spring 5, so that the compression spring 5 is prevented from being offset and misplaced when being stressed.

Preferably, the upper die mechanism 1 further comprises an upper die holder 12 horizontally arranged and an upper base plate 13 fixed at the lower end of the upper die holder 12; the lower end of the upper backing plate 13 is fixedly connected with an upper template 11; the upper die holder 12 provides the mounted position for the upper die plate 11, and simultaneously the upper base plate 13 plays a role in buffering and fixing, and screws and locating pins are arranged in the upper die holder 12, the upper base plate 13 and the upper die plate 11 in a penetrating manner, so that the functions of connection and fixing are achieved.

Preferably, the lower die mechanism 2 further comprises a lower die holder 22 horizontally arranged, a lower pad 23 fixed at the upper end of the lower die holder 22, and a supporting frame 24 for supporting the lower die holder 22; the upper end of the lower backing plate 23 is fixedly connected with a lower template 21; the lower die holder 22 provides an installation position for the lower die plate 21, meanwhile, the lower base plate 23 plays a role in buffering and fixing, and screws and positioning pins are arranged in the lower die holder 22, the lower base plate 23 and the lower die plate 21 in a penetrating manner, so that the functions of connection and fixing are achieved.

Preferably, the lower end of the upper padding plate 13 is also fixed with an inner guide post 6, the upper template 11, the lower template 21 and the lower padding plate 23 are all provided with coaxial through holes 7, and the lower end of the inner guide post 6 is sequentially penetrated in the upper template 11, the lower template 21 and the lower padding plate 23 through the through holes 7; the inner guide post 6 plays a role in aligning the upper die mechanism 2 and the lower die mechanism 2 in the die closing process, and the relative position of the upper die mechanism 2 and the lower die mechanism 2 is ensured to be accurate.

Preferably, the die further comprises an outer guide post 8 for connecting the upper die holder 12 and the lower die holder 22; the outer guide post 8 comprises an upper guide post fixed on the upper die holder 12 and a lower guide post fixed on the lower die holder 22, wherein the lower guide post is connected with a steel ball guide sleeve through a spring, and the steel ball guide sleeve is penetrated in the upper guide post; the outer guide post 8 and the inner guide post 6 play a role in aligning the upper die mechanism 2, and the matching of the outer guide post 8 and the inner guide post 6 enables the alignment of the upper die and the lower die of the die to be more accurate, so that the quality of processed products is higher.

The specific operation method of the die is as follows: after the die is assembled, the die is arranged on a press machine, a lower die mechanism is fixed on the working table surface of the press machine, and an upper die mechanism is connected with a movable terminal of the press machine; the workpiece 3 to be chamfered is placed in the lower forming groove 210 between the two positioning pieces 4, and the two positioning pieces 4 automatically abut against the workpiece 3 at two sides through the extrusion of the compression spring 5, so that the positioning and the guiding functions are realized; starting the debugged press, driving the upper die mechanism 1 to move downwards by the press, at the moment, pushing the positioning piece 4 towards two sides along the guide inclined plane 42 of the extension part 41 by the lower die plate 21, moving the positioning piece 4 towards the direction provided with the compression spring 5, simultaneously, moving the inner guide pillar 6 downwards, enabling the inner guide pillar to enter the through hole 7 of the lower base plate 23, further compressing the compression spring 5 and fully retracting the compression spring 5 into the mounting groove 43, at the moment, enabling the extension part 41 to fully enter the second groove 111, enabling the workpiece 3 to fully enter a space formed by closing the upper forming groove 110 and the lower forming groove 210, and enabling the die to be in a die closing state; the extrusion of the press machine enables the right angle of the workpiece to be completely attached to the chamfering female die 9 in the upper forming groove 110 and the lower forming groove 210, so that the chamfering is formed on the right angle of the workpiece 3, after chamfering is completed, the press machine returns, the workpiece 3 is taken out, and double-sided chamfering processing of the workpiece 3 can be completed.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims (6)

1. The double-sided chamfering die is characterized by comprising an upper die mechanism and a lower die mechanism; an upper template is horizontally arranged at the bottom end of the upper die mechanism, and a lower template is horizontally arranged at the top end of the lower die mechanism; the lower template is provided with a lower forming groove, and the upper template is provided with an upper forming groove; the die further comprises a positioning piece for positioning a workpiece in the lower forming groove, and a first groove for installing the positioning piece; the positioning pieces are symmetrically arranged on the left side and the right side of the lower molding groove, the first groove is formed in the lower mold plate, and the width of the positioning pieces is smaller than that of the first groove; the positioning piece is provided with a compression spring, one end of the compression spring is connected with the positioning piece, and the other end of the compression spring is fixed on one side wall, far away from the workpiece, of the first groove; the upper end of the positioning piece is also provided with an extension part extending out of the first groove, and the compression spring extrudes the positioning piece to move towards the direction of the workpiece, so that one end, close to the workpiece, of each extension part is respectively abutted against the left side wall and the right side wall of the workpiece; the upper template is close to one end of setting element corresponds and is provided with can hold the second recess of extension, extension upper end is provided with the guide inclined plane of being convenient for guide it entering the second recess.

2. The double-sided chamfer mold according to claim 1, wherein a mounting groove is horizontally provided in the positioning member, the compression spring is provided on a side wall of the mounting groove near the workpiece, the compression spring is completely received in the mounting groove when the compression spring is compressed in place, and the extension is located in the second groove.

3. The double-sided chamfering mold according to claim 1, characterized in that the upper mold mechanism further comprises an upper mold base horizontally arranged, and an upper pad fixed at the lower end of the upper mold base; the lower end of the upper backing plate is fixedly connected with the upper template.

4. The double-sided chamfering mold according to claim 3, characterized in that the lower mold mechanism further comprises a lower mold base horizontally arranged, a lower pad fixed at an upper end of the lower mold base, and a supporting frame for supporting the lower mold base; the upper end of the lower backing plate is fixedly connected with the lower template.

5. The double-sided chamfering die according to claim 4, wherein an inner guide post is further fixed at the lower end of the upper backing plate, coaxial through holes are formed in the upper template, the lower template and the lower backing plate, and the lower end of the inner guide post penetrates through the upper template, the lower template and the lower backing plate in sequence.

6. The double sided chamfer mold of claim 4, further comprising an outer guide post for connecting the upper die base and the lower die base.