CN218555296U

CN218555296U - High-precision hardware plate part salad hole punching die

Info

Publication number: CN218555296U
Application number: CN202222385711.8U
Authority: CN
Inventors: 蒋超俊
Original assignee: Keben Precision Mould Co ltd
Current assignee: Keben Precision Mould Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-03-03
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to a high-precision hardware plate part sanding and broaching die, which comprises an upper stripper plate, a lower template, a lower die holder, a stop plate, an upper clamp plate and an upper die holder; a lower base plate is arranged between the lower die plate and the lower die base, a stroke cavity is arranged between the stop plate and the upper clamp plate, a buffer spring is arranged in the stroke cavity, and a first outer limiting assembly for preventing the upper stripper plate and the stop plate from being inclined is arranged on the upper die base; the upper clamping plate is provided with a sanding punch and a punching punch from front to back, the sanding punch and the punching punch penetrate through the stop plate and the upper stripper plate, the lower die plate is provided with a stripping through hole coaxial with the sanding punch, a stripping thimble is arranged in the stripping through hole, and the lower backing plate is provided with a thimble spring for pushing the stripping thimble into the stripping through hole; the front and the back of the salad punch and the punching punch are arranged on the upper clamping plate, so that the operation of punching holes after salad is firstly performed can be facilitated, the punching precision is well guaranteed, and the change of the inner diameter of the punched hole caused by the salad in the process of punching is prevented.

Description

High-precision hardware plate part salad hole punching die

Technical Field

The utility model relates to a hardware processing technology field, in particular to high accuracy hardware plate piece mould of salad hole.

Background

At present, a metal plate is a comprehensive cold processing technology aiming at a metal sheet (generally below 6 mm), and comprises shearing, punching/cutting/compounding, folding, welding, riveting, splicing, forming and the like; the remarkable characteristic is that the thickness of the same part is consistent. The sheet metal part is a product processed by a sheet metal process, and the sheet metal part cannot be separated everywhere in life. The sheet metal part is manufactured by filament power supply winding, laser cutting, heavy machining, metal bonding, metal drawing, plasma cutting, precision welding, roll forming, sheet metal bending forming, die forging and water jet cutting. The sheet metal part has the characteristics of light weight, high strength, electric conduction (capable of being used for electromagnetic shielding), low cost, good large-scale mass production performance and the like, and is widely applied to the fields of electronic appliances, communication, automobile industry, medical appliances and the like, for example, the sheet metal part is an essential component in computer cases, mobile phones and MP 3.

The sanding of beating is exactly to beat the chamfer of a round hole on hardware plate spare, general drawing has the clear label words, this is the countersunk head that is used for doing the screw, the mould of sanding at present is owing to the particularity of its structure, the sanding step that leads to the adaptation must punch a hole earlier just can the sanding, this leads to adding man-hour to the product that the aperture requirement is strict, the aperture can change, lead to the difficult assurance of size, make production unstable, and also can cause the mould to debug for a long time, the product condition such as scrapping easily, for this, we propose a high accuracy hardware plate spare sanding trompil mould specially, in order to solve above-mentioned problem, satisfy daily production needs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, provide a high accuracy hardware plate piece mould of salad hole, this high accuracy hardware plate piece mould of salad hole can solve above-mentioned problem well.

In order to meet the above requirements the utility model provides a technical scheme that its technical problem adopted is:

the high-precision hardware plate hole punching die comprises an upper stripping plate, a lower die seat, a stop plate, an upper clamping plate and an upper die seat, wherein the upper stripping plate and the lower stripping plate are opposite up and down; a lower base plate is arranged between the lower die plate and the lower die base, a stroke cavity is arranged between the stop plate and the upper clamp plate, a buffer spring is arranged in the stroke cavity, and a first outer limiting assembly for preventing the upper stripping plate and the stop plate from being inclined is arranged on the upper die base; the punch pin is characterized in that the upper clamping plate is provided with a sanding punch and a punching punch from front to back respectively, the sanding punch and the punching punch penetrate through the stop plate and the upper stripping plate, the lower die plate is provided with a stripping punch coaxial with the sanding punch, a stripping thimble is movably arranged in the stripping punch, the lower die plate is provided with a stripping thimble which pushes the stripping thimble to strip the thimble spring in the stripping punch, and the upper end of the stripping thimble is located in the stripping punch under the initial state.

High accuracy hardware plate piece mould of salad hole, wherein, first outer spacing subassembly is equipped with two at least and sets up relatively and is in go up the double-phase offside of taking off the board.

The utility model discloses a high accuracy hardware plate piece mould of making salad hole, wherein, first outer spacing subassembly includes the guide block, and fix the guide block on the bolt of upper die base; the guide block is provided with guide positions corresponding to the stop plate and the upper stripping plate, the guide positions are vertically arranged, and when the guide block is assembled in place, the side walls of the upper stripping plate and the stop plate are attached to the guide positions.

High accuracy five metals plate piece mould of salad hole, wherein, one side of the rear end of lower bolster is equipped with outer guide pillar, the upper end of outer guide pillar is fixed rather than adjacent on the guide block, the lower extreme pass through outer guide pin bushing with the lower bolster is connected.

High accuracy five metals plate beat salad hole mould, wherein, the upper die base with the punch holder closes round pin and fixed screw fixed connection through the location.

High accuracy five metals plate sanding trompil mould, wherein, be equipped with spring mounting groove on the lower surface of upper die base, correspond on the punch holder the coaxial perforation that is equipped with of spring mounting groove, buffer spring locates in the spring mounting groove and pass the perforation with the backstop board offsets.

High accuracy hardware plate piece mould of salad hole, wherein, vertically run through on the punch holder and be provided with equal height sleeve, the backstop board with on take off the board all pass through equal height sleeve with the punch holder is connected, still be equipped with interior guide pillar on the punch holder, the lower extreme of interior guide pillar runs through the backstop board with on take off the board, correspond on the lower bolster interior guide pillar is equipped with the guide way.

The beneficial effects of the utility model reside in that: the front and the back of the sanding punch and the front and the back of the punching punch are arranged on the upper clamping plate, so that the operation of firstly sanding and then punching can be facilitated, the punching precision is well guaranteed, the change of the inner diameter of the punched hole caused in the sanding process is prevented, and the yield of products is effectively guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is the overall structure schematic diagram of the high-precision hardware plate piece salad hole punching die.

Fig. 2 is an enlarged view of a portion of the structure of fig. 1.

Detailed Description

The terms "first," "second," "third," and "fourth," etc. in the description and claims of the invention and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively 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 can be included in at least one embodiment of the invention. The appearances of the phrase 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. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.

"plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

Also, the terms "upper, lower, left, right, upper, lower, longitudinal" and the like, which indicate orientation, are all referenced to the attitude and position of the device or apparatus described in this disclosure during normal use.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of 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.

The high-precision hardware plate hole punching die in the preferred embodiment of the utility model, as shown in fig. 1-2, comprises an upper stripper plate 1 and a lower stripper plate 2 which are opposite up and down, a lower die holder 8 for fixing the lower stripper plate 2, a stop plate 3 arranged on the upper surface of the upper stripper plate 1, and an upper clamp plate 4 arranged above the stop plate 3 and an upper die holder 5 for fixing the upper clamp plate 4; a lower cushion plate 6 is arranged between the lower template 2 and the lower template base 8, the lower cushion plate 6 and the lower template 2 are fixed on the lower template base 8 through a positioning dowel pin 7, a stroke cavity 9 is arranged between the stop plate 3 and the upper clamp plate 4, a buffer spring 10 is arranged in the stroke cavity 9, and further, a first outer limiting component 11 for preventing the upper stripping plate 1 and the stop plate 3 from being inclined is arranged on the upper template base 5 to play a role in guiding and limiting; and the upper clamp plate 4 is respectively provided with a sanding punch 12 and a punching punch 13 from front to back, the sanding punch 12 and the punching punch 13 penetrate through the stop plate 3 and the upper stripper plate 1, the lower clamp plate 2 is provided with a stripping perforation 14 coaxial with the sanding punch 12, a stripping thimble 15 is axially and movably arranged in the stripping perforation 14, the lower backing plate 6 is provided with a thimble spring 16 for pushing the stripping thimble 15 into the stripping perforation 14, the upper end of the stripping thimble 15 is positioned in the stripping perforation 14 in an initial state, when in processing, the sheet metal part 100 is arranged on the lower clamp plate 2 and positioned below the sanding punch 12, die assembly is carried out to complete the punching of the sanding hole, the sheet metal part is further pushed backwards to be positioned below the punching punch 13, die assembly is carried out after die assembly is carried out again, further the processing of punching is completed, in the whole process, the sanding punch 12 and the punch 13 are arranged on the upper clamp plate 4 from front to back, the operation of first sanding and then punching can be convenient, the punching precision of the punching is well ensured, the inner diameter of a sanded product is prevented from changing, and the yield of the sanded product is effectively ensured.

Preferably, the first outer limiting assemblies 11 are at least two and are oppositely arranged at two opposite sides of the upper stripper plate 1, and specifically, the first outer limiting assemblies 11 include guide blocks 11a and bolts 11b for fixing the guide blocks 11a on the upper die holder 5; correspond backstop board 3 on the guide block 11a and take off board 1 on with and be equipped with direction position 111, the vertical setting in direction position 111, when the assembly targets in place, the lateral wall of taking off board 1 and backstop board 3 on all laminates with direction position 111, can effectively guarantee through guide block 11a and take off the stability of board 1 and backstop board 3 activity from top to bottom, can further promote the precision of the position of punching a hole.

In addition, be equipped with the outer spacing subassembly 17 of second that advances line location to lower bolster 2 and lower bolster 6 on the die holder 8, the outer spacing subassembly 17 structure of second is the same with first outer spacing subassembly 11, can prevent the removal of punching press in-process lower bolster 2 and lower bolster 6 again through the outer spacing subassembly 17 of second, guarantees the precision of punching press.

Preferably, one side of the rear end of the lower template 2 is provided with an outer guide pillar 18, the upper end of the outer guide pillar 18 is fixed on a guide block 11a adjacent to the outer guide pillar, the lower end of the outer guide pillar is connected with the lower template 2 through an outer guide sleeve 19, further, an equal-height sleeve 20 longitudinally penetrates through the upper clamping plate 4, the stop plate and the upper stripper plate 1 are both connected with the upper clamping plate 4 through the equal-height sleeve 20, the upper clamping plate 4 is further provided with an inner guide pillar 21, the lower end of the inner guide pillar 21 penetrates through the stop plate and the upper stripper plate 1, the lower template 2 is provided with a guide groove 22 corresponding to the inner guide pillar, and through double enhanced guide of the inner guide pillar 21 and the outer guide pillar 18, the stability of mold closing and opening of the upper stripper plate 1 and the lower template 2 is further guaranteed, and the progress of punching and sanding and pulling can be further guaranteed.

Wherein, the upper die holder and the upper splint 4 are fixedly connected through another positioning pin 23 and a fixing screw 24.

Preferably, be equipped with spring mounting groove 25 on the lower surface of upper die base 5, correspond spring mounting groove 25 and be equipped with the perforation on the punch holder 4 coaxially, buffer spring 10 locates in the spring mounting groove and passes perforation 26 and offset with backstop plate 3, sets up spring mounting groove 25 and can effectively avoid buffer spring 10 compression in-process to take place crooked.

It will be understood that modifications and variations are possible to those skilled in the art in light of the above teachings and that all such modifications and variations are considered to be within the purview of the invention as set forth in the appended claims.

Claims

1. A high-precision hardware plate hole punching die is characterized by comprising an upper stripping plate, a lower die base, a stop plate, an upper clamping plate and an upper die base, wherein the upper stripping plate and the lower stripping plate are opposite up and down; a lower base plate is arranged between the lower die plate and the lower die base, a stroke cavity is arranged between the stop plate and the upper clamp plate, a buffer spring is arranged in the stroke cavity, and a first outer limiting component for preventing the upper stripping plate and the stop plate from being inclined is arranged on the upper die base; the punch pin is characterized in that the upper clamping plate is provided with a sanding punch and a punching punch from front to back, the sanding punch and the punching punch penetrate through the stop plate and the upper stripper plate, the lower die plate is provided with a stripping punch coaxial with the sanding punch, a stripping thimble is movably arranged in the stripping punch, the lower die plate is provided with a stripping thimble, the stripping thimble is pushed against the stripping thimble spring in the stripping punch, and the upper end of the stripping thimble is located in the stripping punch under the initial state.

2. A high accuracy five metals plate beats salad hole mould as claimed in claim 1, characterized in that, first outer spacing subassembly is equipped with two at least and relative setting in two opposite sides of going up the stripper plate.

3. The high-precision hardware plate piece salad hole punching die as claimed in claim 2, wherein the first outer limiting component comprises a guide block and a bolt for fixing the guide block on the upper die base; the guide block is provided with guide positions corresponding to the stop plate and the upper stripping plate, the guide positions are vertically arranged, and when the guide block is assembled in place, the side walls of the upper stripping plate and the stop plate are attached to the guide positions.

4. The high-precision hardware plate sanding and broaching die according to claim 3, wherein an outer guide pillar is arranged on one side of the rear end of the lower die plate, the upper end of the outer guide pillar is fixed on the adjacent guide block, and the lower end of the outer guide pillar is connected with the lower die plate through an outer guide sleeve.

5. The high-precision hardware plate piece salad hole punching die according to claim 4, wherein the upper die base and the upper clamping plate are fixedly connected through a positioning dowel pin and a fixing screw.

6. The high accuracy five metals plate is beaten salad hole mould according to claim 1, characterized in that, be equipped with spring mounting groove on the lower surface of upper die base, correspond on the punch plate the coaxial perforation that is equipped with of spring mounting groove, buffer spring locates in the spring mounting groove and pass the perforation with the backstop board offsets.

7. The high-precision hardware plate piece salad hole punching die according to claim 1, wherein an equal-height sleeve longitudinally penetrates through the upper clamping plate, the stop plate and the upper stripper plate are both connected with the upper clamping plate through the equal-height sleeve, an inner guide pillar is further arranged on the upper clamping plate, the lower end of the inner guide pillar penetrates through the stop plate and the upper stripper plate, and a guide groove is formed in the lower die plate corresponding to the inner guide pillar.