CN209520293U - A kind of stamping die of four-part button pin thread - Google Patents

Abstract

The utility model discloses a kind of stamping dies of four-part button pin thread, its key points of the technical solution are that: including upper die and lower die, upper mold lower end is disposed with cutting edge according to feedstock direction, thimble and stamp mould, lower die is provided with several female die blocks and stamp block, lower die offers cutting groove, upper mold lower end is connected with precompressed mechanism, precompressed mechanism includes prefabricating plate, several pre- compression bars and pre-compressed spring, the upper end of pre- compression bar is fixedly connected with upper mold, the lower end of pre- compression bar passes through prefabricating plate and is threaded with stop nut, pre- compression bar and pre-compressed spring are socketed, prefabricating plate, which runs through, die hole.The utility model it is structurally reasonable, mold can be used to complete for the process for processing button, and only needs that material strip is constantly carried out the continuous punch forming that feeding achieves that button, increases working efficiency.

Description

A kind of stamping die of four-part button pin thread

Technical field

The utility model belongs to button molding die, more specifically, it relates to a kind of stamping die of four-part button pin thread.

Background technique

Button is people's daily necessities, and the processing industry of button belongs to labor-intensive production, and cost of labor is Prime cost in button processing.Button is generally divided into plastic button and metal button, and the processing of metal at present is all to use Sheet Metal Forming Technology production, material strip is gone out into connecting column and decorative pattern, usual button is adding man-hour requirement step by step, the progress of subset Processing is carrying out button using different equipment man-hour requirement is added to move button between devices, can spend at this time Plenty of time reduces working efficiency.

Therefore it needs to propose the new technical solution of one kind to solve the above problems.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of stamping dies of four-part button pin thread Tool, can successively form material strip, stamp, make the processing of button that the same mold can be used to complete, increase the efficiency of processing.

To achieve the above object, the utility model provides following technical solution: a kind of stamping die of four-part button pin thread, Including upper die and lower die, the upper mold lower end is disposed with cutting edge along feedstock direction, for processing button connecting column Thimble and stamp mould for processing decorative pattern, the lower die upper end be provided with several female die blocks of thimble cooperation and with stamp mould The stamp block of cooperation, the lower die offer the cutting groove with cutting edge cooperation；

The upper mold lower end is connected with precompressed mechanism, and the precompressed mechanism includes the prefabricating plate abutted with material strip upper end, incites somebody to action The pre-compressed spring that several pre- compression bars and driving prefabricating plate that prefabricating plate is connect with upper mold compress material strip, the upper end of the pre- compression bar It is fixedly connected with upper mold, the lower end of the pre- compression bar passes through prefabricating plate and is threaded with stop nut, the pre- compression bar and pre- Pressing spring socket, the upper end of the pre-compressed spring are abutted with upper mold lower end surface, and the pre-compressed spring lower end is supported with prefabricating plate upper end It connects, the prefabricating plate runs through the die hole having for passing through thimble and stamp block.

By using above-mentioned technical proposal, material strip is placed between upper die and lower die when carrying out the processing of button, every time By material strip towards the distance of the mobile button of mold, material strip is divided into two sections by the cooperation for first passing through cutting edge and cutting groove, it Material strip is stamped out into connecting column using the cooperation of thimble and female die block afterwards, later using the cooperation of stamp mould and stamp block in material strip Surface stamps out decorative pattern, later can separate molding button with material strip by punching, the process for processing button can be used one Mold is completed, and is only needed that material strip is constantly carried out the continuous punch forming that feeding achieves that button, is increased working efficiency.

The utility model is further arranged to: the thimble upper end is fixedly connected to link block, the link block with Upper mold connection, the thimble include the flexible needle of the first flexible needle, the second flexible needle and third, and the first flexible needle, second stretch Shortening and third stretch needle axial length successively increase, diameter is sequentially reduced, several female die block upper ends offer respectively With the first telescopic hole, the second telescopic hole and the third telescopic hole of the flexible needle cooperation of the first flexible needle, the second flexible needle and third.

By using above-mentioned technical proposal, by gradually decreasing the diameter of thimble, length is gradually increased, to make to connect Column can be formed gradually, and deformation excessively acutely generates breakage when material strip will not be because of molding, increase stabilization when mold uses Property.

The utility model is further arranged to: the upper mold lower end offers the upper regulating tank extended along feedstock direction, institute It states link block and stamp mould is placed in sliding in regulating tank, the upper adjusting groove sidewall, which runs through, upper abutting slot, the connection Block and stamp mould are threaded with abutting bolt, and the upper screw rod for abutting bolt is across abutting slot and its nut and upper mold Side wall abuts, and the lower die upper end offers lower regulating tank, and the female die block and stamp block are placed in sliding, institute in lower regulating tank Lower adjusting groove sidewall is stated through there is lower abutting slot, the female die block and stamp block are threaded with lower abutting bolt, under described The screw rod for abutting bolt passes through lower abutting slot and its nut is abutted with lower die side wall.

Adjacent link block is adjusted when needing the diameter for the button processed to change by using above-mentioned technical proposal Spacing between adjacent female die block, to make mold that can continue to process button.

The utility model is further arranged to: the lower die upper end is connected with two pieces of lifting blocks, and the lifting block is along charging Direction is arranged and is located at the two sides of lower regulating tank, and the lifting block far from the described first flexible needle is passed through close to the end face of prefabricating plate It is installed with the connectivity slot of the connecting column by material strip, the connectivity slot runs through block upper end is lifted.

By using above-mentioned technical proposal, it can generate bending after material strip is by the pressure of prefabricating plate, be detached from later Prefabricating plate limits that it can recovery be horizontal under the action of own resilient, and at this time connecting column can be detached from the connection with female die block, Material strip can continue to move to.

The utility model is further arranged to: stamp mould lower end coaxially offers gas vent, and the gas vent is another Stamp mould side wall is run through at end.

By using above-mentioned technical proposal, the air in connecting column is discharged using gas vent, to make in connecting column Air pressure will not change, and connecting column is made not deform.

The utility model is further arranged to: the opposite two sidewalls of the die hole offer several precompressed along feedstock direction Slot, the pre- indent run through prefabricating plate lower end surface, and preloading block is removably connected in the pre- indent, the preloading block Both ends can be clamped with pre- indent.

By using above-mentioned technical proposal, material strip is pressed in lower die upper surface using preloading block, so that material strip be made to add Working hour, it will not be moved, and keep molding size more accurate, while can be according to the adjusting preloading block of thimble and stamp mould Position, so that preloading block be made not generate interference to forming process.

The utility model is further arranged to: the lower die upper end is opened up there are two slot is lifted, and the lifting block is placed in lift Sliding in slot is risen, lifting spring is provided in the lifting slot, the upper end of the lifting spring is abutted with lifting block lower end, described The lower end for being lifted spring is abutted with lifting groove bottom.

By using above-mentioned technical proposal, when carrying out the molding of button, prefabricating plate is abutted with lifting block upper end, makes its court It is moved into lifting slot, material strip will not generate bending in being horizontally disposed at this time, and lifting block is no longer influenced by pre- after completing punching press The downward power that briquetting applies applies upward elastic force to lifting block using lifting spring, makes to be lifted block and drives material strip to moving up Dynamic, connecting column can be detached from the connection with female die block.

The utility model is further arranged to: the lower die offers current groove away from the end face of feed direction, described logical Row slot by lower die upper end run through and its with lifting slot and die hole be connected to, connecting column can be placed in the current groove.

In conclusion the utility model has the following beneficial effects:

1, button processing process only need to use an equipment it is just achievable, reduce button between devices move needed for The time to be spent, increase working efficiency；

2, the diameter for changing thimble send out material strip will not because of violent deformation to make connecting column that can gradually form It is raw damaged, make the quality for the product produced keep stablizing；

3, by the way that upper regulating tank and lower regulating tank is arranged, so as to the diameter adjustment thimble of button processed as needed and Spacing between female die block, thus the button of processable different-diameter.

Detailed description of the invention

Fig. 1 is the perspective view of the present embodiment；

Fig. 2 is the schematic diagram that the present embodiment is used to show upper mold；

Fig. 3 is the schematic diagram that the present embodiment is used to show lower die.

Detailed description of the invention: 1, upper mold；11, guide sleeve；12, cutting edge；13, thimble；131, the first flexible needle；132, second is flexible Needle；133, the flexible needle of third；14, link block；15, stamp mould；151, gas vent；16, extension block；17, upper regulating tank；18, on Abut slot；19, upper abutting bolt；2, lower die；21, female die block；211, the first telescopic hole；212, the second telescopic hole；213, third Telescopic hole；22, stamp block；23, cutting groove；24, lower regulating tank；241, lower abutting slot；242, lower abutting bolt；25, guide post； 27, it is lifted block；271, connectivity slot；28, it is lifted slot；281, it is lifted spring；29, current groove；3, precompressed mechanism；31, prefabricating plate； 311, die hole；312, pre- indent；32, pre- compression bar；33, pre-compressed spring；34, preloading block；35, stop nut；4, upper die holder；5, under Die holder.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Wherein identical components are presented with like reference characters.It should be noted that word used in the following description Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" refers respectively to the direction towards or away from geometric center of specific component.

A kind of stamping die of four-part button pin thread, as shown in Figure 1, including upper die holder 4 and lower die holder 5, upper die holder 4 uses spiral shell It tethers and is connected to upper mold 1,5 use of lower die holder has been bolted lower die 2, and 4 lower end use of upper die holder has been bolted guide sleeve 11, lower die 5 upper end four corners uses of seat have been bolted guide post 25, and guide post 25 is inserted in sliding in guide sleeve 11.As shown in Fig. 2, under upper mold 1 End face is disposed with along feedstock direction by the cutting edge 12 of material strip segmentation, 13 and of six roots of sensation thimble for being used to process button connecting column For processing the stamp mould 15 of decorative pattern, 13 upper end of every two thimbles is welded with one piece of link block 14, link block 14 and upper mold 1 jointly Connection.As shown in figure 3, the print that 2 upper end of lower die is connected with several female die blocks 21 cooperated with thimble 13 and cooperates with stamp mould 15 Flower block 22, female die block 21 can be supported with link block 14 and thimble 13 is inserted into female die block 21, and 15 lower end of stamp mould can be with stamp block 22 Upper end abuts.2 upper end of lower die offers the cutting groove 23 cooperated with cutting edge 12, and cutting edge 12 can be inserted in cutting groove 23. As shown in Figure 1,1 lower end of upper mold is connected with precompressed mechanism 3, precompressed mechanism 3 includes the prefabricating plate 31 abutted with material strip upper end, will be pre- Four pre-compressed springs 33 that the four pre- compression bars 32 and driving prefabricating plate 31 that pressing plate 31 is connect with upper mold 1 compress material strip.Upper mold 1 Two sides are welded with two pieces of extension blocks 16, and four pre- 32 upper ends of compression bar are welded with 16 lower end of extension block respectively, lower end difference Across prefabricating plate 31 four corners and be threaded with stop nut 35.Four pre-compressed springs 33 are same with a pre- compression bar 32 respectively Axis setting, and the upper end of pre-compressed spring 33 is abutted with 16 lower end of extension block, lower end is abutted with the upper end of prefabricating plate 31.Prefabricating plate 31 upper ends, which are run through to offer, sees Fig. 2 in the die hole 311(of rectangle), thimble 13 and stamp block 22 can be distinguished also cross die hole 311 It is abutted with female die block 21 and stamp block 22.Material strip is placed between upper mold 1 and lower die 2 when carrying out the processing of button, every time will Material strip moves the distance of a button towards mold, and material strip is divided into two sections by the cooperation for first passing through cutting edge 12 and cutting groove 23, Material strip is stamped out into connecting column using the cooperation of thimble 13 and female die block 21 later, utilizes stamp mould 15 and stamp block 22 later Cooperation stamps out decorative pattern in tape surface, later can separate molding button with material strip by punching, process the process of button It a mold can be used to complete, only need that material strip is constantly carried out the continuous punch forming that feeding achieves that button, increase work Make efficiency.

As shown in Figures 2 and 3, since the length of connecting column is longer, connecting column once can not be subjected to punch forming, therefore Thimble 13 includes two first flexible needles, 131, two second flexible needles 132 and the flexible needle 133 of two thirds.Link block 14 is three Block, lower end are welded with the first flexible needle 131 or two second flexible needles 132 or the flexible needle 133 of two thirds.With same The the first flexible needle 131 or two second flexible needles 132 or the flexible needle 133 of two thirds that link block 14 connects are set side by side, and Its length is successively increased along feedstock direction, and diameter is sequentially reduced along feedstock direction.The quantity of female die block 21 is three pieces, the upper end Two of the cooperation of needle 133 of stretching with two first flexible needles, 131, two second flexible needles 132 and two thirds are offered respectively First the second telescopic hole 212 of telescopic hole 211, two and two third telescopic holes 213.By the way that the diameter of thimble 13 is gradually dropped Low, length gradually increases, to make connecting column that can gradually form, deformation is excessively acutely generated broken when material strip will not be because of molding Damage increases stability when mold uses.

As shown in Figures 2 and 3, since the diameter of molding button can change, at this time thimble 13, female die block 21, print Relative position between embossing die 15 and stamp block 22 can change, therefore 1 lower end of upper mold is offered along feedstock direction extension Upper regulating tank 17, link block 14 and stamp mould 15 can be placed in sliding in link slot.One side of upper link slot, which is run through, to be had Upper abutting slot 18, be equipped in upper abutting slot 18 four it is upper abut bolts 19, upper abuttings bolt 19 respectively with link block 14 and print Embossing die 15 is threadedly coupled, and its nut is abutted with 1 side wall of upper mold.2 upper end of lower die offers downward corresponding with upper regulating tank 17 Slot 24 is saved, female die block 21 and stamp block 22 are placed in sliding in lower regulating tank 24.Lower 24 one side wall of regulating tank, which runs through, lower abutting Slot 241 is worn in lower abutting slot 241 there are four lower abuttings bolt 242, lower abutting bolt 242 respectively with female die block 21 or print Flower block 22 is threadedly coupled, and nut is abutted with 2 side wall of lower die.To adjust when needing the diameter for the button processed to change The spacing between adjacent link block 14 and adjacent female die block 21 is saved, to make mold that can continue to process button.

As shown in figure 3, material strip is needed when moving by connecting column and female die block 21 after stamping out connecting column due to material strip It is disconnected, can just continue to feed at this time.Therefore 2 upper end of lower die is connected with two pieces of lifting blocks 27, is lifted block 27 along feedstock direction It is arranged and is located at lower 24 two sides of regulating tank.Lifting block 27 far from the first flexible needle 131 is passed through close to the end face of prefabricating plate 31 Two connectivity slots 271 for passing through connecting column are installed with, connectivity slot 271 runs through 27 upper end of block is lifted.Connecting column formed after it Afterwards, it is raised since the both ends of material strip are lifted block 27, material strip restores horizontal under the action of the elastic force of itself, connects at this time Column is disconnected with female die block 21, and connecting column can proceed with feeding at this time.

As shown in figure 3, due to material strip during processing its can generate bending, will affect the matter of the button of processing at this time Amount, therefore 2 upper end of lower die is opened up there are two slot 28 is lifted, two pieces of lifting blocks 27 can be placed in lifting slot 28 and slide up and down, lift It rises and is provided with lifting spring 281 in slot 28, the upper end for being lifted spring 281 is abutted with lifting 27 lower end of block, lower end and lifting 28 bottom surface of slot abuts.When carrying out the molding of button, prefabricating plate 31 is abutted with lifting 27 upper end of block, is made in its direction lifting slot 28 Mobile, material strip will not generate bending in being horizontally disposed at this time, and lifting block 27 is no longer influenced by preloading block 34 and applies after completing punching press The downward power added applies upward elastic force using 281 pairs of spring lifting blocks 27 of lifting, makes to be lifted the drive material strip of block 27 to moving up Dynamic, connecting column can be detached from the connection with female die block 21.

As shown in Fig. 2, the sky of connecting column can be made when stamp mould 15 is abutted with stamp block 22 since there are air in connecting column Air pressure contracting, deforms so as to cause connecting column, influences the quality of button.Therefore 15 lower end of stamp mould coaxially offers gas vent 151,151 other end of gas vent runs through 15 side wall of stamp mould.The air in connecting column is discharged using gas vent 151, thus So that the air pressure in connecting column is not changed, connecting column is made not deform.

As shown in Fig. 2, in order to make the position of material strip not change at the time of molding, to make the compact dimensions of button more It is accurate to add, and will not be deformed.The opposite two sidewalls of die hole 311 offer several pre- indents 312, pre- indent along feedstock direction Dismountable preloading block 34 is respectively connected in 312,34 both ends of preloading block can be clamped with pre- indent 312, will be expected using preloading block 34 Band is pressed in 2 upper surface of lower die, to make material strip, in processing, it will not be moved, and keeps molding size more accurate, together When can be according to the position of the adjusting preloading block 34 of thimble 13 and stamp mould 15, so that preloading block 34 be made not generate to forming process Interference.

In order in the unformed connecting column of punching press, molded connecting column will not be squeezed because of by upper mold 1 and lower die 2 It presses and is deformed.As shown in figure 3, lower die 2 offers two for accommodating the passage of connecting column away from the end face of feed direction Slot 29, current groove 29 run through 2 plate upper surface of lower die, and it is connected to lower regulating tank 24 and nearest lifting slot 28.Thus When prefabricating plate 31 and lower die 2 abut, molded connecting column can be placed in current groove 29, and connecting column will not deform, thus Keep the use of mold more stable.

Working principle:

Material strip is placed between upper mold 1 and lower die 2 when carrying out the processing of button, material strip is moved one towards mold every time The distance of a button, upper mold 1 move down, and prefabricating plate 31 is first abutted with material strip upper end, using pre-compressed spring 33 to prefabricating plate 31 Apply downward elastic force to compressing material strip, upper mold 1 continues to move down later, utilizes matching for cutting edge 12 and cutting groove 23 It closes and material strip is divided into two sections, formed connecting column using thimble 13, using stamp mould 15 by pattern forming, in upper mold 1 to moving down In dynamic process, 31 pairs of prefabricating plate lifting blocks 27 apply downward pressure, and the elastic force for making lifting block 27 overcome lifting spring 281 is heavy Enter to be lifted in slot 28, material strip will not generate bending at this time, and upper mold 1 moves up later, bullet of the lifting block 27 in lifting spring 281 It is moved up under the action of power, so that the connecting column connecting with material strip is made to be detached from the connection with female die block 21, it at this time can be by material strip The distance of a mobile button, continues the processing of button.

Specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this field Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only It will be in the scope of the claims of the utility model all by the protection of Patent Law.

Claims (8)

1. a kind of stamping die of four-part button pin thread, including upper mold (1) and lower die (2), it is characterised in that: under the upper mold (1) It holds and is disposed with cutting edge (12), the thimble (13) for processing button connecting column along feedstock direction and for processing decorative pattern Stamp mould (15), lower die (2) upper end be provided with thimble (13) cooperation several female die blocks (21) and with stamp mould (15) the stamp block (22) cooperated, the lower die (2) offer the cutting groove (23) with cutting edge (12) cooperation；

Upper mold (1) lower end is connected with precompressed mechanism (3), and the precompressed mechanism (3) includes the precompressed abutted with material strip upper end Material strip is compressed several pre- compression bars (32) that prefabricating plate (31) is connect with upper mold (1) and driving prefabricating plate (31) by plate (31) The upper end of pre-compressed spring (33), the pre- compression bar (32) is fixedly connected with upper mold (1), and the lower end of the pre- compression bar (32) passes through pre- It pressing plate (31) and is threaded with stop nut (35), the pre- compression bar (32) and pre-compressed spring (33) are socketed, the precompressed bullet The upper end of spring (33) is abutted with upper mold (1) lower end surface, and pre-compressed spring (33) lower end is abutted with prefabricating plate (31) upper end, described Prefabricating plate (31) runs through the die hole (311) having for by thimble (13) and stamp block (22).

2. a kind of stamping die of four-part button pin thread according to claim 1, it is characterised in that: thimble (13) upper end It is fixedly connected to link block (14), the link block (14) connect with upper mold (1), and the thimble (13) includes first flexible Needle (131), the second flexible needle (132) and third are stretched needle (133), the first flexible needle (131), the second flexible needle (132) With third stretch needle (133) axial length successively increase, diameter is sequentially reduced, several female die block (21) upper ends are opened respectively Equipped with the first flexible needle (131), the second flexible needle (132) and third stretch needle (133) cooperation the first telescopic hole (211), Second telescopic hole (212) and third telescopic hole (213).

3. a kind of stamping die of four-part button pin thread according to claim 2, it is characterised in that: upper mold (1) lower end The upper regulating tank (17) extended along feedstock direction is offered, the link block (14) and stamp mould (15) are placed in regulating tank (17) sliding in, upper regulating tank (17) side wall, which runs through, upper abutting slot (18), the link block (14) and stamp mould (15) It is threaded with and abuts bolt (19), the upper screw rod for abutting bolt (19) is across abutting slot and its nut and upper mold (1) side wall abuts, and lower die (2) upper end offers lower regulating tank (24), and the female die block (21) and stamp block (22) are set The sliding in the lower regulating tank (24), lower regulating tank (24) side wall through there is a lower abutting slot (241), the female die block (21) and Stamp block (22) is threaded with lower abutting bolt (242), and the lower screw rod for abutting bolt (242) passes through lower abutting slot (241) and its nut is abutted with lower die (2) side wall.

4. a kind of stamping die of four-part button pin thread according to claim 2, it is characterised in that: lower die (2) upper end Two pieces of lifting blocks (27) are connected with, lifting block (27) is arranged along feedstock direction and is located at the two of lower regulating tank (24) Side, the lifting block (27) far from the described first flexible needle (131) run through the company having through material strip close to the end face of prefabricating plate (31) The connectivity slot (271) of column is connect, the connectivity slot (271) will be lifted block (27) upper end and run through.

5. a kind of stamping die of four-part button pin thread according to claim 1, it is characterised in that: under the stamp mould (15) End coaxially offers gas vent (151), and gas vent (151) other end runs through stamp mould (15) side wall.

6. a kind of stamping die of four-part button pin thread according to claim 1, it is characterised in that: die hole (311) phase Pair two sidewalls offer several pre- indents (312) along feedstock direction, the pre- indent (312) is by prefabricating plate (31) lower end surface Run through, is removably connected with preloading block (34) in the pre- indent (312), the both ends of the preloading block (34) can be with pre- indent (312) it is clamped.

7. a kind of stamping die of four-part button pin thread according to claim 4, it is characterised in that: lower die (2) upper end It opens up there are two slot (28) are lifted, the lifting block (27) is placed in sliding in lifting slot (28), setting in the lifting slot (28) Have lifting spring (281), the upper end of lifting spring (281) is abutted with lifting block (27) lower end, the lifting spring (281) Lower end with lifting slot (28) bottom surface abut.

8. a kind of stamping die of four-part button pin thread according to claim 7, it is characterised in that: the lower die (2) is deviated from The end face of feed direction offers current groove (29), the current groove (29) by lower die (2) upper end run through and itself and lifting slot (28) it is connected to die hole (311), connecting column can be placed in the current groove (29).