CN219520295U - Double-deck knockout hole mould mechanism - Google Patents

Abstract

The utility model provides a double-deck knockout hole mould mechanism, includes the upper die subassembly, the lower die subassembly, the upper die subassembly be provided with and go up the interior structure that takes off of mould, the lower die subassembly be provided with and take off the structure in the lower mould. According to the double-layer knockout hole die mechanism, double-layer knockout holes which are originally required to be pressed in two steps are synthesized into the upper die and the lower die to be worked together and punched, so that the die manufacturing cost is reduced, and the upper die and the lower die are additionally provided with respective inner knockout structures, so that the knockout effect is achieved, the problem that the double-layer knockout holes are difficult to knockout is solved, the production efficiency of the parts is improved, and the die manufacturing cost is reduced.

Description

Double-deck knockout hole mould mechanism

Technical Field

The utility model relates to a knock-out hole die mechanism, in particular to a double-layer knock-out hole die mechanism.

Background

The knock-out hole is generally formed in a plastic piece or a metal stamping piece, the object in the hole is similar to a non-falling hole, the object in the hole can fall off only by tapping the object in the hole with a screwdriver or other tools, and the through hole is formed; this structure is typically used on products that are installed for use by users: such as wires that need to be connected by perforation; or the water outlet hole at the bottom of the product can automatically select the water outlet position according to the installation environment. At present, the application of knock-out holes in sheet metal parts is more and more common, the conventional knock-out holes are formed by pressing one layer, under the condition that double-layer knock-out holes are required to be formed, dies in the general market can be pressed out only by pressing three steps separately, the double-layer knock-out holes are difficult to remove materials from the upper part and the lower part of the process, the corresponding steps of material process arrangement are increased, the final die is bigger, and the die manufacturing cost is higher.

Disclosure of Invention

In order to overcome the defects of larger die, higher die manufacturing cost and the like caused by the problems of complicated corresponding process steps of process arrangement, difficult stripping of the upper part and the lower part of the double-layer milling hole and the like in the prior art, the utility model aims to simplify the corresponding process steps of the process arrangement, solve the problem of difficult stripping of the upper part and the lower part of the double-layer milling hole, and improve the production efficiency of the parts and the die manufacturing cost.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a double-deck knockout hole mould mechanism which characterized in that: the mold comprises an upper mold assembly and a lower mold assembly, wherein the upper mold assembly is provided with an upper mold inner release structure, and the lower mold assembly is provided with a lower mold inner release structure.

As a further improvement of the utility model: the upper die assembly comprises an upper die holder, an upper clamping plate, an upper stop plate and an upper stripping plate, wherein one end of the upper clamping plate is connected with the upper die holder, the other end of the upper clamping plate is connected with the upper clamping plate, one end of the upper stop plate is connected with the upper clamping plate, and the other end of the upper stop plate is connected with the upper stripping plate.

As a further improvement of the utility model: the die further comprises an upper die first punch and an upper die second punch, wherein the upper die first punch and the upper die second punch are connected with the upper die base.

As a further improvement of the utility model: the upper die inner release structure comprises an upper die inner release cavity, an upper die second punch and an upper die inner release compression spring, wherein the upper die inner release cavity is arranged in the upper die assembly, and the upper die second punch is connected with the upper die inner release compression spring and is fixed in the upper die inner release cavity.

As a further improvement of the utility model: the lower die assembly comprises a lower die plate, a lower base plate, a lower die holder, a lower sizing block and a lower supporting plate, one end of the lower base plate is connected with the lower die plate, the other end of the lower base plate is connected with the lower die holder, one end of the lower sizing block is connected with the lower die holder, and the other end of the lower sizing block is connected with the lower supporting plate.

As a further improvement of the utility model: the die further comprises a lower die punch, and the lower die punch is connected with the lower die base.

As a further improvement of the utility model: the lower die inner-release structure comprises a first lower die inner-release structure and a second lower die inner-release structure, and the lower die inner-release structures are connected with the lower die base.

As a further improvement of the utility model: the first lower die inner stripping structure comprises a first lower die inner stripping cavity, and the first lower die inner stripping cavity is arranged in the lower die assembly.

As a further improvement of the utility model: the second lower die inner release structure comprises a second lower die inner release cavity, a lower die punch and a lower die inner release compression spring, wherein the second lower die inner release cavity is arranged in the lower die assembly, and the lower die punch is connected with the lower die inner release compression spring and is fixed in the second lower die inner release cavity.

As a further improvement of the utility model: the lower die is characterized by further comprising a jacking pin, wherein the jacking pin is connected with the lower die inner stripping structure.

Compared with the prior art, the utility model has the beneficial effects that: after the first step of hole punching and punching is completed, the upper and lower dies of the hole punching holes of the second step and the third step are simultaneously pressed out, the upper and lower dies are provided with respective inner stripping structures, so that stripping effects are achieved, the problem that stripping is difficult to achieve from top to bottom in the double-layer hole punching is solved, and the production efficiency and the die manufacturing cost of the parts are improved.

Drawings

Fig. 1 is a schematic diagram of a mold opening structure of the present utility model.

Fig. 2 is a schematic diagram of a mold closing structure of the present utility model.

The drawings are marked with the following description: 1, an upper die first punch, 2, a material belt, 3, a first lower die inner disengaging structure, 4, an upper die second punch, 5, an upper die inner disengaging structure and 6: and (7) a second lower die inner stripping structure: lower die punch, 8: ejector pin, 9, upper die holder, 10, upper clamping plate, 11: upper stop plate, 12: upper stripper plate, 13: the lower die plate, 14, a lower base plate, 15, a lower die holder, 16, a lower sizing block and 17, a lower supporting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A dual-layer knockout hole die mechanism, wherein: the mold comprises an upper mold assembly and a lower mold assembly, wherein the upper mold assembly is provided with an upper mold inner release structure, and the lower mold assembly is provided with a lower mold inner release structure.

The upper die assembly comprises an upper die holder 9, an upper clamping plate 10, an upper stop plate 11 and an upper stripping plate 12, wherein one end of the upper clamping plate 10 is connected with the upper die holder 9, the other end of the upper clamping plate 10 is connected with the upper clamping plate 10, one end of the upper stop plate 11 is connected with the upper clamping plate 10, and the other end of the upper stop plate is connected with the upper stripping plate 12.

The die further comprises an upper die first punch head 1 and an upper die second punch head 4, wherein the upper die first punch head 1 and the upper die second punch head 4 are connected with the upper die base.

The upper die inner release structure comprises an upper die inner release cavity, an upper die second punch 4 and an upper die inner release compression spring, wherein the upper die inner release cavity is arranged in the upper die assembly, and the upper die second punch 4 is connected with the upper die inner release compression spring and is fixed in the upper die inner release cavity.

The lower die assembly comprises a lower die plate 13, a lower base plate 14, a lower die holder 15, a lower sizing block 16 and a lower supporting plate 17, one end of the lower base plate 17 is connected with the lower die plate 13, the other end of the lower base plate is connected with the lower die holder 15, one end of the lower sizing block 16 is connected with the lower die holder 13, and the other end of the lower sizing block is connected with the lower supporting plate 17.

The lower die punch 7 is connected with the lower die base 15.

The lower die inner stripping structure comprises a first lower die inner stripping structure 3 and a second lower die inner stripping structure 6, and the lower die inner stripping structures are connected with a lower die holder 15.

The first lower mold inner release structure 3 comprises a first lower mold inner release cavity, and the first lower mold inner release cavity is arranged in the lower mold assembly.

The second lower die inner release structure 6 comprises a second lower die inner release cavity, a lower die punch 7 and a lower die inner release compression spring, wherein the second lower die inner release cavity is arranged in the lower die assembly, and the lower die punch 7 is connected with the lower die inner release compression spring and is fixed in the second lower die inner release cavity.

The lower die is characterized by further comprising a jacking pin 8, wherein the jacking pin 8 is connected with the lower die inner stripping structure.

Embodiment case one:

combining the first to second diagrams: a double-layer knockout hole mould mechanism teaches the work of double-layer knockout holes, and parts of the double-layer knockout holes are mainly divided into two times of stamping.

Working part: when the die punches the knock-out hole for the first time, the die is initially in figure one: in the die opening state, the upper die assembly moves downwards until the upper stripper plate 112 contacts the material belt 2, then the upper die assembly continues to press downwards, the space between the upper clamping plate 10 and the upper stop plate 11 gradually decreases until the upper clamping plate 10 and the upper stop plate 11 are completely closed and are in the die in the two-drawing die closing state, at the moment, the upper die first punch 4 punches the material belt into the lower die and drives the lower die inner stripper structure 3 to downwards, the spring is compressed, then the upper die is opened, the reset die opening state of the drawing is achieved, the spring of the first lower die inner stripper structure 3 is reset, the material belt 2 is withdrawn from the lower die assembly, the stripping action is realized, and the first punching and knocking-off hole action is completed.

With the continuous forward feeding, the material belt 2 starts to punch the double-layer knockout hole, the die is in the die opening state in fig. 1, the upper die assembly moves downwards until the upper stripper plate 12 contacts the material belt 2, then the upper die relay assembly is continuously pressed downwards, the space between the upper clamping plate 10 and the upper stop plate 11 is gradually reduced until the upper clamping plate 10 and the upper stop plate 11 are completely closed, the die is in the die closing state in fig. two, at the moment, the upper die second punch 4 cuts the material into the lower die assembly to form the downward knockout hole and drives the lower die second inner stripper structure 6 to move downwards, the spring of the ejector pin 8 compresses, and at the same time, the lower die punch 7 reversely punches the material cut into the lower die assembly upwards to form the upward knockout hole and drives the upper die inner stripper structure 5 to upwards, and the spring is compressed and stressed. Then the upper die is opened to achieve a reset die opening state, the spring of the lower die assembly ejector pin 8 resets to drive the second lower die inner stripping structure 6, so that the material belt is stripped from the lower die, and meanwhile, the upper die spring resets to drive the upper die inner stripping structure 5, so that the material belt is stripped from the upper die, and the action of punching the double-layer knockout hole is completed.

The main functions of the utility model are as follows: the utility model provides a double-deck knockout hole mould mechanism, is originally need two steps to press out double-deck knockout hole, and the work is stamped out together to upper and lower mould of synthetic one step to reduce mould manufacturing cost, upper and lower mould increase respective interior take off the structure simultaneously in order to reach the effect of taking off, solved double-deck knockout hole and be difficult to take off the problem of material, improved the production efficiency of this kind of part and reduced mould manufacturing cost.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides a double-deck knockout hole mould mechanism which characterized in that: including the upper die subassembly, the lower die subassembly, the upper die subassembly be provided with in the upper die and take off the structure, the lower die subassembly be provided with in the lower die and take off the structure, the upper die subassembly include the upper die base, the punch holder, go up the backstop board, go up the take off the board, punch holder one end with the upper die base be connected, the other end with the punch holder be connected, the other end with it takes off the board to go up, take off the structure in the upper die and take off the cavity in including the upper die, go up the second drift of mould, go up in take off compression spring, go up in take off the cavity setting in the upper die and be in the upper die subassembly, the second drift of upper die pass through with go up in take off compression spring connection, fix in the last in take off the cavity, the lower die subassembly include the lower bolster, the lower bolster one end with the lower bolster be connected, the other end with the punch holder be connected, the lower bolster one end with the lower bolster, the lower bolster one end be connected with the lower bolster, the second die holder is connected with the lower bolster, take off the structure in the lower die holder is taken off the structure in the mould, take off the structure in the lower die and the die.

2. The double-deck knockout hole die mechanism as defined in claim 1, wherein: the die further comprises an upper die first punch and an upper die second punch, wherein the upper die first punch and the upper die second punch are connected with the upper die base.

3. The double-deck knockout hole die mechanism as defined in claim 1, wherein: the die further comprises a lower die punch, and the lower die punch is connected with the lower die base.

4. The double-deck knockout hole die mechanism as defined in claim 1, wherein: the first lower die inner stripping structure comprises a first lower die inner stripping cavity, and the first lower die inner stripping cavity is arranged in the lower die assembly.

5. The double-deck knockout hole die mechanism as defined in claim 1, wherein: the second lower die inner release structure comprises a second lower die inner release cavity, a lower die punch and a lower die inner release compression spring, wherein the second lower die inner release cavity is arranged in the lower die assembly, and the lower die punch is connected with the lower die inner release compression spring and is fixed in the second lower die inner release cavity.

6. The double-deck knockout hole die mechanism as defined in claim 1, wherein: the lower die is characterized by further comprising a jacking pin, wherein the jacking pin is connected with the lower die inner stripping structure.