CN217252023U - Compound forming die cutting device of D-shaped bolt cap - Google Patents

Abstract

The utility model discloses a die-cut mould device of compound shaping of D type bolt cap, including bearing the base and possessing the bolt cap die-cut stick that bears the linear reciprocating displacement of base, bearing the base including bearing the through-hole, bearing the through-hole and deviating from bolt cap die-cut stick one side and being equipped with the round pin post that punches a hole, the round pin post periphery that punches a hole is equipped with and possesses the support material pipe along the round pin post axial elastic floating displacement that punches a hole, one side that bearing the through-hole and deviating from the support material pipe is equipped with the die-cut type groove that is used for bolt cap shaping, forms the groove of carrying on that is used for carrying the work piece between the free end of die-cut type groove and support material pipe. The utility model discloses can realize that D type bolt cap link up one shot forming with the pore, need not the secondary die-cut, shorten production cycle, improve production efficiency. The composite forming has reliable coaxiality, the forming relative precision is high, and the product percent of pass is greatly improved. Possess thimble and spacing bush design of cooperateing, satisfy and to ejecting a demand that moves back of shaping work piece, reduce and move back a degree of difficulty for whole processing operation is more efficient smooth.

Description

Compound shaping die cutting device of D type bolt cap

Technical Field

The utility model relates to a compound shaping die cutting device of cap is tied to D type belongs to the die-cut technical field of cap.

Background

In the machining production process, a bolt cap forming process exists, and the bolt cap forming process generally comprises outer wall turning forming, bolt cap punching forming and inner hole channel punching forming.

At present, the D-shaped bolt cap forming operation is carried out, the bolt cap is provided with a tubular main body, an inner pore passage of the tubular main body is provided with an isolation layer, one end of the tubular main body is provided with an annular convex edge, the isolation layer needs to be punched and removed in the forming production process of the D-shaped bolt cap, and the annular convex edge needs to be punched and cut to form the outer edge of the D-shaped bolt cap.

Two sets of punching section moulds are adopted for forming in the traditional production and processing, secondary assembling and disassembling operations are needed for workpieces, and therefore the production efficiency is very high, and the cost of the punching section moulds is also high. In addition, traditional work piece is generally moved back a work by the elastic component after die-cut shaping, and when traditional elasticity moved back a piece, the work piece card was often appeared and is admittedly detained the condition, moves back a very difficult.

Disclosure of Invention

The utility model aims at solving the not enough of above-mentioned prior art, tie the cap die-cut and seal the die-cut distribution shaping inefficiency of interlayer and move back a great deal of problem such as piece difficulty when tying the cap shaping to traditional D type, provide a D type and tie compound shaping die device of cap.

In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:

a composite forming punching die device of a D-shaped bolt cap comprises a bearing base and a bolt cap punching rod which linearly reciprocates towards the bearing base,

bear the base including bearing the through-hole, bear the through-hole and deviate from die-cut stick one side of bolt cap is equipped with the round pin post that punches a hole, the round pin post periphery that punches a hole is equipped with and possesses the edge the round pin post axial elasticity that punches a hole floats the material pipe that holds in the palm, bear the through-hole and deviate from one side of holding in the palm the material pipe is equipped with and is used for the fashioned die-cut type groove of bolt cap, die-cut type groove with it carries on the recess that is used for carrying the work piece to form between the free end of material pipe to hold in the palm.

Preferably, a limiting bush used for limiting the punching stroke of the workpiece is arranged between the punching pin column and the material supporting pipe.

Preferably, the stopper bush is provided with a pushing displacement toward the plug cap punch rod.

Preferably, a pin cushion block for carrying the punching pin, a limiting cushion block for limiting the pin cushion block, and a plurality of ejector pins which are used for penetrating through the pin cushion block and the limiting cushion block and are abutted against the limiting bush are arranged in the bearing base.

Preferably, at least three thimbles which are uniformly distributed in the circumferential direction are arranged in the bearing base.

Preferably, an elastic element is arranged between the limiting cushion block and the material supporting pipe.

Preferably, the cap punching rod is provided with a guide base to which a punching drive source is connected.

Preferably, the cap punch is detachably disposed on the guide base.

Preferably, a jacking and limiting cushion block used for jacking and limiting the bolt cap punching rod is arranged in the guide base.

Preferably, rivet protruding dodging grooves are formed in the punching end face of the bolt cap punching rod.

The beneficial effects of the utility model are mainly embodied in that:

1. the D-shaped bolt cap and the pore channel can be communicated and formed in one step, secondary punching is not needed, the production period is shortened, and the production efficiency is improved.

2. The composite forming has reliable coaxiality, the forming relative precision is high, and the product percent of pass is greatly improved.

3. Possess thimble and spacing bush design of cooperateing, satisfy and move back a demand to the ejecting of shaping work piece, reduce and move back a degree of difficulty for whole processing operation is more high-efficient smooth.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural view of the composite forming and die cutting device for D-shaped caps of the present invention.

Fig. 2 is a schematic diagram of the punching state structure of the composite forming punching die device for the D-shaped cap of the present invention.

Fig. 3 is a schematic cross-sectional structure view of the D-shaped cap of the present invention before forming.

Fig. 4 is a schematic cross-sectional structure diagram of the formed D-shaped plug cap of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The utility model provides a compound shaping die cutting device of D type bolt cap, as shown in fig. 1 to 2, including bearing base 1 and the die-cut stick 2 of bolt cap that possesses the linear reciprocating displacement of orientation bearing base 1.

Bear base 1 including bearing through-hole 3, bear through-hole 3 and deviate from die-cut 2 one side of bolt cap and be equipped with round pin post 4 that punches a hole, 4 peripheries of round pin post that punches a hole are equipped with and possess along the support material pipe 5 of round pin post axial elastic floating displacement, bear through-hole 3 and deviate from one side of supporting material pipe 5 and be equipped with the die-cut type groove 6 that is used for the bolt cap fashioned, form the groove of carrying on that is used for carrying on the work piece between the free end of die-cut type groove and support material pipe.

The specific implementation process and principle description are as follows:

before the punching operation, as shown in fig. 1, the work is mounted in the mounting groove, and at this time, the material receiving pipe 5 is in a position-limited state facing the plug cap punching rod 2, and is pressed by the elastic member 7.

During punching operation, as shown in fig. 2, the bolt cap punching rod 2 moves towards the workpiece in a punching mode, a shearing force is formed between the end face of the bolt cap punching rod 2 and the punching type groove 6, so that the cutting operation of the outer edge of the D-shaped bolt cap is met, the material supporting pipe 5 moves along the bearing through hole 3 along with the continuous punching stroke of the bolt cap punching rod, the workpiece and the punching pin column 4 move relatively, the punching pin column 4 removes and ejects an isolation layer in the punching pin column, and at the moment, the D-shaped bolt cap forming and the pore passage penetrating forming are completed.

After punching is completed, the bolt cap punching rod 2 resets, the material supporting pipe 5 elastically resets, so that the workpiece is exposed, and unloading of the current workpiece can be realized through manual operation or a clamp.

The workpiece realizes punching deformation as shown in figures 3 to 4, the requirement of primary double-station forming is met, and the processing efficiency is greatly improved.

In a preferred embodiment, a limiting bush 8 for limiting the punching stroke of the workpiece is arranged between the punching pin 6 and the material supporting pipe 5. The limit bush is provided with a pushing displacement towards the bolt cap punching rod.

Specifically speaking, when the bolt cap punching rod 2 is punched, the limit bushing 8 is used for realizing punching stroke control, hard limit requirements are met, the stroke meets the requirement that the sealing layer can remove the ejection stroke, when the material supporting pipe 5 is reset, the wall surface where the bolt cap and the punching type groove of the workpiece are located is in a fit state, the material pushing displacement design of the limit bushing is adopted, the workpiece can be automatically ejected, the workpiece withdrawing difficulty is reduced, and the workpiece withdrawing operation is efficient and smooth.

In a specific embodiment, a pin cushion block 11 for carrying the punching pin, a limit cushion block 12 for limiting the pin cushion block, and a plurality of thimbles 9 which are used for penetrating through the pin cushion block and the limit cushion block and are abutted against the limit bush are arranged in the bearing base.

Specifically, the punching pin needs to have certain carrying strength, so that the requirements on carrying position precision and structural strength are met by matching the pin cushion block 11 with the limiting cushion block 12.

And after the punching of the workpiece is completed and reset, the ejector pin 9 is ejected out, so that the requirement of driving the withdrawing piece is met.

More thinly, be equipped with three at least circumference evenly distributed's thimble in this bearing base.

The pushing device can push a plurality of thimbles simultaneously through the linkage pushing plate, so that the requirement for stably pushing and moving out workpieces is met.

In a specific embodiment, an elastic element 7 is arranged between the limiting cushion block and the material supporting pipe.

The elastic element 7 is used for elastic floating control of the material supporting pipe 5, and meets the requirements of elastic reset driving stroke after punching elastic compression and completion of the material supporting pipe.

In one embodiment, the cap piercing pin 2 is provided with a guide base 20, and a piercing driving source is connected to the guide base 20. The bolt cap punching rod is detachably arranged on the guide base.

Realize die-cut stick 2 of bolt cap and carry on fast through this guide base 20, satisfy different towards type cooperation demands, die-cut type groove 6 is an interchangeable tool apron body certainly, satisfies wearing and tearing replacement demand.

In one embodiment, a jacking and limiting cushion block for jacking and limiting the bolt cap punching rod is arranged in the guide base 20. The supporting requirement for the punching recoil of the bolt cap punching rod 2 is met, and the displacement is ensured to be reliable and stable.

In a specific embodiment, the punched end face of the cap punch bar is provided with a rivet projection avoiding groove 21.

Specifically, as shown in fig. 3 and 4, the bolt cap is provided with a rivet projection, and the rivet projection avoiding groove 21 can meet the requirement of alignment avoiding matching, that is, the special D-shaped bolt cap can be avoided.

Can discover through the above description, the utility model relates to a die-cut mould device of compound shaping of cap is tied to D type can realize that D type tie cap and pore link up one shot forming, need not the secondary die-cut, has shortened production cycle, has improved production efficiency. The composite forming has reliable coaxiality, the forming relative precision is high, and the product percent of pass is greatly improved. Possess thimble and spacing bush design of cooperateing, satisfy and move back a demand to the ejecting of shaping work piece, reduce and move back a degree of difficulty for whole processing operation is more high-efficient smooth.

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.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a compound shaping die cut die device of D type bolt cap which characterized in that:

comprises a bearing base and a bolt cap punching rod linearly and reciprocally displaced towards the bearing base,

bear the base including bearing the through-hole, bear the through-hole and deviate from die-cut stick one side of bolt cap is equipped with the round pin post that punches a hole, the round pin post periphery that punches a hole is equipped with and possesses the edge the round pin post axial elasticity that punches a hole floats the material pipe that holds in the palm, bear the through-hole and deviate from one side of holding in the palm the material pipe is equipped with and is used for the fashioned die-cut type groove of bolt cap, die-cut type groove with it carries on the recess that is used for carrying the work piece to form between the free end of material pipe to hold in the palm.

2. The composite forming and punching die device for the D-shaped bolt cap as claimed in claim 1, wherein:

and a limiting bush used for limiting the punching stroke of the workpiece is arranged between the punching pin column and the material supporting pipe.

3. The composite forming and punching die device for the D-shaped bolt cap as claimed in claim 2, wherein:

the limit bushing is provided with a pushing displacement towards the bolt cap punching rod.

4. The composite forming and punching die device for the D-shaped bolt cap as claimed in claim 3, wherein:

the bearing base is internally provided with a pin cushion block for carrying the punching pin, a limiting cushion block for limiting the pin cushion block and a plurality of thimbles which are used for penetrating through the pin cushion block and the limiting cushion block and are abutted against the limiting bush.

5. The composite forming and punching die device for the D-shaped bolt cap as claimed in claim 4, wherein:

at least three thimbles which are uniformly distributed in the circumferential direction are arranged in the bearing base.

6. The composite forming and punching die device for the D-shaped bolt cap as claimed in claim 4, wherein:

an elastic element is arranged between the limiting cushion block and the material supporting pipe.

7. The composite forming and punching die device for the D-shaped bolt cap as claimed in claim 1, wherein:

the bolt cap punching rod is provided with a guide base, and the guide base is connected with a punching driving source.

8. The composite forming and punching die device for the D-shaped bolt cap as claimed in claim 7, wherein:

the bolt cap punching rod is detachably arranged on the guide base.

9. The composite forming and punching die device for the D-shaped bolt cap as claimed in claim 8, wherein:

and a top pressure limiting cushion block used for top pressure limiting of the bolt cap punching rod is arranged in the guide base.

10. The composite forming and punching die device for the D-shaped bolt cap is characterized in that:

and a rivet convex avoiding groove is arranged on the punching end face of the bolt cap punching rod.

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