CN212760624U

CN212760624U - Variable hole number cut-out press

Info

Publication number: CN212760624U
Application number: CN202020699101.3U
Authority: CN
Inventors: 李超; 辛军强; 王开忠
Original assignee: Guangzhou Dejun Automobile Radiator Co ltd
Current assignee: Guangzhou Dejun Automobile Radiator Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-03-23
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a variable hole number cut-out press, including last mould and lower mould, go up the mould and include last bottom plate, guide pin bushing, dash the needle fixed plate, dash the needle fixed strip, glue the piece, movable screw, press flitch guide pillar, protection shield, press the flitch and press the flitch, the lower mould includes bottom plate, guide pillar, mold insert fixed plate, mold insert fixer, hole die mold insert and locator down. The utility model discloses a can dismantle mounting installation thimble and die, realize can dismantle thimble and die in the installation on line, more become the quantity that punches a hole, need not require the difference to develop the mould again because of the quantity that punches a hole, need not coil the dismouting with the mould, the cost is reduced has improved efficiency, can debug on line and guarantee product quality.

Description

Variable hole number cut-out press

Technical Field

The utility model relates to a mould field specifically is a variable hole number cut-out press.

Background

The manufacturing industry of today, can not leave various moulds, for the product that caters to various design demands, the demand of punching die is the change day by day, the punching die of existing use, the function is comparatively single, can not adjust the quantity of punching a hole, if want to increase or reduce the quantity of punching a hole, can only develop and make another kind of mould, as the improvement, also there are some moulds now and be the accessible dismantles the installation punching needle and increase and decrease the number of punching a hole, but need to go off the production line die sinking operation with the mould, consume a large amount of time and manpower, and it is also very inconvenient to lower the line and dismantle debugging mould after the installation, consequently reduce the number of times of debugging for save time, cause the influence to the efficiency and the quality of production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable hole number cut-out press to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a punching die with variable hole number comprises an upper die and a lower die, wherein the upper die comprises an upper die base plate, a guide sleeve, a punching needle fixing plate, a punching needle fixing strip, a rubber block, a movable screw, a pressing plate guide pillar, a protection plate and a pressing plate, the guide sleeve is arranged at four corners below the upper die base plate, the punching needle fixing plate is arranged in the middle below the upper die base plate, the pressing plate guide pillar is arranged at four corners of the punching needle fixing plate, a transverse through hole is formed in the punching needle fixing plate, a punching needle through hole is formed in the bottom of the punching needle, a plurality of punching needles are sequentially arranged in the middle of the punching needle fixing plate, the punching needle fixing strip is arranged in the transverse through hole and the punching needle through hole in an inserting manner, a first pressing plate guide pillar hole is formed in each corner of the pressing plate, the pressing block is arranged in the middle below the pressing plate, a, the pressure plate guide post is nested in the first pressure plate guide post hole, the punching needle is nested in the pressure plate punching needle hole, a plurality of rubber blocks are arranged between the pressure plate and the punching needle fixing plate, and the protecting plates are arranged on two sides below the pressure plate.

The lower die comprises a lower die base plate, a guide pillar, an insert fixing plate, an insert fixer, a hole-die insert and a positioner, the guide pillar is mounted at four corners of the lower die base plate, a plurality of waste material ports are formed in the middle of the lower die base plate, a continuous clamping groove is formed in the upper left edge of the insert fixing plate, a second pressure plate guide pillar hole is formed in the middle of the left end, and two positioning block grooves are formed in the upper surface of the second pressure plate guide pillar hole. The locator is installed on the locating block groove, there is the interval between four two bisymmetry installations of mold insert fixed plate in the middle of the lower mould bottom plate and two parallels, be equipped with the lug on the mold insert fixer, the mold insert fixer passes through the lug embedding draw-in groove and installs between two mold insert fixed plates and mold insert fixer symmetry installs at the both ends about the mold insert fixed plate, a plurality of hole die inserts are inlayed in the mold insert fixed plate interval through the mold insert fixer is fixed, go up the mould and pass through guide pin bushing and guide pillar cooperation installation with the lower mould, the drift cooperates with the hole die insert, it cooperates with second pressure flitch guide pillar hole to.

As a further scheme of the utility model, the insert fixer comprises a convex block plate, a connecting plate, insert fixing screws, a side positioning plate, side positioning screws, a side positioning block and a side positioning block slider, wherein a convex block is arranged on the convex block plate, the two insert fixing screws are arranged on the convex block plate, one end of the connecting plate is arranged on the convex block plate, and the other end is arranged at the lower end of the side positioning plate; the side positioning screw is arranged at the upper end of the side positioning plate, the side positioning block sliding block is arranged at the right side of the side positioning plate, the side positioning block is nested on the side positioning block sliding block, and the side positioning screw abuts against the right end of the side positioning block.

As a further scheme of the utility model, the locator includes the locating piece, set screw, the set screw fixed plate, the location connecting plate, the locator spring, locator thimble and spiral shell strip, two location connecting plates are installed on the set screw fixed plate, set screw installs on the set screw fixed plate, the locating piece nestification is on the locating piece groove, the set screw front end pushes up on the locating piece, the inside locator thimble hole that is equipped with of locating piece, locator thimble hole front end is equipped with the plug hole screw thread, the spiral shell strip nestification is in the plug hole screw thread, the locator thimble is arranged in the locator thimble hole, be equipped with the locator spring between locator thimble and the spiral shell strip, the locator thimble head is pushing up hole die mold insert side.

As a further proposal of the utility model, the punching fixing strip and the punching needle can be disassembled and assembled on the machine table, and the punch die insert can be disassembled and assembled on the machine table.

As a further aspect of the present invention, the positioner and the mold insert holder are adjustable in positioning amount.

As a further proposal of the utility model, the movable screw can move along the axis direction.

Advantageous effects

The utility model discloses a but variable hole number cut-out press adopts the location of adjustable locate mode, adapts to the location of different specification products, adopts demountable fitting installation thimble and die, realizes that thimble and die can be dismantled in the installation on line, more becomes the quantity of punching a hole, need not require different redevelopment moulds because of the quantity of punching a hole, need not coil the dismouting with the mould, and the cost is reduced has improved efficiency, can debug on line and guarantee product quality.

Drawings

Fig. 1 is a schematic overall front perspective view of a variable-hole-number punching die according to an embodiment of the present invention.

Fig. 2 is a schematic left perspective view of a punching die with variable hole number according to an embodiment of the present invention.

Fig. 3 is a schematic top perspective view of a lower die of a variable-hole-count punching die according to an embodiment of the present invention.

Fig. 4 is a schematic perspective view of an upper die part of a punching die with variable hole number according to an embodiment of the present invention.

Fig. 5 is a schematic front perspective view of an insert holder of a variable-hole-count punching die according to an embodiment of the present invention.

Fig. 6 is a schematic top perspective view of an insert holder of a variable-hole-count punch die according to an embodiment of the present invention.

Fig. 7 is a schematic top perspective view of a retainer of a variable-hole-count punch die according to an embodiment of the present invention.

Reference numerals: an upper die 1, a lower die 2, an upper die base plate 3, a guide sleeve 4, a punching needle 5, a punching needle fixing plate 6, a punching needle fixing strip 7, a rubber block 8, a movable screw 9, a protection plate 11, a material pressing plate 12, a material pressing block 1201, a transverse through hole 13, a punching needle through hole 14, a first material pressing plate guide post hole 15, a material pressing plate punching needle hole 16, a lower die base plate 17, a guide post 18, an insert fixing plate 19, an insert fixer 20, a hole-die insert 21, a positioner 22, a scrap opening 23, a clamping groove 24, a positioning block groove 25, a second material pressing plate guide post hole 26, a projection 27, a projection plate 2001, a connecting plate 2002, an insert fixing screw 2003, a side positioning plate 2004, a side positioning screw 2005, a side positioning block 2006, a side positioning block slider 2007, a positioning block 2201, a positioning screw 2202, a positioning screw fixing plate 2203, a positioning connecting plate 2204, a positioner spring 2205, a positioner thimble 2206, a, A blind hole thread 2209.

Detailed Description

As shown in fig. 1-7, a variable hole number punching die comprises an upper die 1 and a lower die 2, wherein the upper die 1 comprises an upper die base plate 3, a guide sleeve 4, a punching pin 5, a punching pin fixing plate 6, a punching pin fixing strip 7, a rubber block 8, a movable screw 9, a pressure plate guide post 10, a protection plate, a pressure plate 12 and a pressure block 1201, the guide sleeve 4 is arranged at four corners below the upper die base plate 3, the punching pin fixing plate 6 is arranged at the middle part below the upper die base plate 3, the pressure plate guide post 10 is arranged at four corners of the punching pin fixing plate 6, a transverse through hole 13 is arranged in the punching pin fixing plate 6, a punching pin through hole 14 is arranged at the bottom of the punching pin 5, the punching pin through hole 14 and the transverse through hole 13 are consistent in size and opening direction, a plurality of punching pins 5 are sequentially arranged in the middle of the punching pin fixing plate 6, the punching pin fixing strip 7 is inserted and arranged in the transverse through hole 13 and, when the number of the punching needles 5 is required to be changed, the number of the punching needles 5 can be increased or reduced by drawing out the punching needle fixing strip 7, the first pressing plate guide post holes 15 are arranged at the four corners of the pressing plate 12, the pressing block 1201 is arranged in the middle below the pressing plate 12, a plurality of pressing plate punching needle holes 16 are arranged between the pressing plate 12 and the pressing block 1201, the pressing plate 12 is arranged on the upper die base plate 3 through movable screws 9, the movable screws 9 can move along the axial direction of the movable screws, the pressing plate guide posts 10 are nested in the first pressing plate guide post holes 15, the pressing plate is more stable by guiding and fixing the pressing plate guide post 10, the shearing force of the movable screw 9 is reduced, the service life is prolonged, the punching needle 5 is embedded in the pressing plate punching needle hole 16, a plurality of rubber blocks 8 are arranged between the pressing plate 12 and the punching needle fixing plate 6, a groove is arranged below the pressing plate 12 and used for stabilizing the rubber blocks 8, and the protection plates 11 are arranged on the front side and the rear side below the pressing plate 12;

the lower die 2 comprises a lower die bottom plate 17, guide pillars 18, insert fixing plates 19, insert holders 20, hole-die inserts 21 and locators 22, the guide pillars 18 are mounted at four corners of the lower die bottom plate 17, a plurality of waste ports 23 are formed in the middle of the lower die bottom plate 17 and used for discharging stamping waste, the left upper side of each insert fixing plate 19 is provided with a continuous clamping groove 24, the middle of the left end is provided with a second pressure plate guide pillar hole 26, the upper surface of each lower die bottom plate is provided with two positioning block grooves 25, the locators 22 are mounted on the positioning block grooves 25 and fixed at the edges of the insert fixing plates 19 through screws, the four insert fixing plates 19 are symmetrically mounted in the middle of the lower die bottom plate 17 in pairs, the two pairs of the four insert fixing plates are symmetrical in a left-right mode and in an up-down mode, a space is formed between the two parallel symmetries, the insert holders 20 are provided with convex blocks 27, the insert holders 20 are, a plurality of hole female die inserts 21 are fixedly embedded in the intervals of an insert fixing plate 19 through insert holders 20, an upper die 1 and a lower die 2 are installed in a matched mode with guide pillars 18 through guide sleeves 4, a punching needle 5 is matched with the hole female die inserts 21, and a pressure plate guide pillar 10 is matched with a second pressure plate guide pillar hole 26.

In this embodiment, the insert holder 20 includes a convex plate 2001, a connecting plate 2002, insert fixing screws 2003, a side positioning plate 2004, side positioning screws 2005, a side positioning block 2006 and a side positioning block slider 2007, wherein the convex plate 2001 is provided with a projection 27, two insert fixing screws 2003 are mounted on the convex plate 2001, the insert fixing screws 2003 prop against the hole-die insert 21, the hole-die insert 21 is pressed and fixed by tightening the insert fixing screws 2003, one end of the connecting plate 2002 is mounted on the convex plate 2001, the other end of the connecting plate is mounted at the lower end of the side positioning plate 2004, the side positioning screw 2005 is mounted at the upper end of the side positioning plate, the side positioning block slider 2007 is mounted at the right side of the side positioning plate 2004, the side positioning block 2006 is nested on the side positioning block slider 2007, the side positioning screw 2005 is abutted against the right end of the side positioning block 2006, and the, the lugs 27 of the lug plate 2001 are nested in the clamping grooves 24 at different positions on the insert fixing plate 19, so that the hole-die inserts 21 with different numbers can be disassembled and fixed.

In the embodiment, the positioner 22 comprises a positioning block 2201, a positioning screw 2202, a positioning screw fixing plate 2203, two positioning connecting plates 2204, a positioner spring 2205, a positioner thimble 2206 and a screw bar 2207, wherein the two positioning connecting plates 2204 are mounted on the positioning screw fixing plate 2203, the positioning screw 2202 is mounted on the positioning screw fixing plate 2203, the positioning block 2201 is nested on a positioning block groove 25 of an insert fixing plate 19, the front end of the positioning screw 2202 is propped against the positioning block 2201, the positioning distance of the positioning block 2201 can be adjusted to meet different requirements by screwing the positioning screw 2202, a positioner thimble hole 2208 is arranged in the positioning block 2201, a hole-blocking thread 2209 is arranged at the front end of the positioner thimble hole 2208, the screw bar 2207 is nested in the hole-blocking thread 2209, the positioner thimble 2206 is arranged in the positioner thimble hole 2208, the positioner spring 2205 is arranged between the positioner thimble 2206 and the screw bar 2207, the side surface of the thimble 2206 of the hole insert 21 is propped against, making the positioning resilient.

As a further usage scheme in this embodiment, under the condition that the equipment stops safety protection measures, a required number of punching pins 5 are installed by disassembling and assembling the punching pin fixing strip 7, a required number of hole-die inserts 21 are installed by disassembling and assembling the insert holder 20, the positioning distance between the insert holder 20 and the positioner 22 is adjusted, a stamping part is placed on the hole-die insert 21, positioning is performed by the insert holder 20 and the positioner 22, the press is started to press down, the pressure plate guide post 10 is inserted into the second pressure plate guide post hole 26, the pressure plate 12 and the pressure block 1201 press the stamping part to prevent the edge of the stamping part from deforming and cracking, the rubber block 8 is compressed, the press continues to press down, the punching pin 5 hole-die insert 21 is matched to punch the stamping part, punching waste is discharged through the waste port 23, the press is lifted, the rubber block 8 is restored to the original state, the pressure plate 12 and the pressure block 1201 are pushed to separate from, and taking out the finished stamping part to perform the next operation.

Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for variations, and in short, all the variations within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a variable hole number cut-out press, includes mould and lower mould, its characterized in that: the upper die comprises an upper die base plate, a guide sleeve, a punching needle fixing plate, a punching needle fixing strip, a rubber block, a movable screw, a pressing plate guide pillar, a protection plate, a pressing plate and a pressing block, wherein the guide sleeve is arranged at four corners below the upper die base plate, the punching needle fixing plate is arranged in the middle below the upper die base plate, the pressing plate guide pillar is arranged at the four corners of the punching needle fixing plate, a transverse through hole is formed in the punching needle fixing plate, a punching needle through hole is formed in the bottom of the punching needle, a plurality of punching needles are sequentially arranged in the middle of the punching needle fixing plate, the punching needle fixing strip is arranged in the transverse through hole and the punching needle through hole in an inserting manner, a first pressing plate guide pillar hole is formed in each corner of the pressing plate, the pressing block is arranged in the middle below the pressing plate, and a plurality of pressing plate punching needle, the pressure plate is mounted on the upper die base plate through the movable screw, the pressure plate guide post is nested in the first pressure plate guide post hole, the punching needle is nested in the pressure plate punching needle hole, a plurality of rubber blocks are arranged between the pressure plate and the punching needle fixing plate, and the protection plates are mounted on two sides below the pressure plate;

the lower die comprises a lower die bottom plate, guide pillars, an insert fixing plate, an insert fixer, a hole-die insert and a positioner, wherein the guide pillars are arranged at four corners of the lower die bottom plate, and the middle of the lower die bottom plate is provided with a plurality of waste material ports; the left upper edge of the insert fixing plate is provided with a continuous clamping groove, the middle of the left end is provided with a second pressure plate guide post hole, and the upper surface of the insert fixing plate is provided with two positioning block grooves; the locator is installed on the locating block groove, four two bisymmetry of insert fixing plate are installed there is the interval between two parallels in the middle of the lower die bottom plate, be equipped with the lug on the insert fixer, the insert fixer passes through the lug embedding the draw-in groove is installed two between the insert fixing plate just the insert fixer symmetry is installed at both ends about the insert fixing plate, a plurality of hole die insert passes through the fixed inlaying of insert fixer is in the insert fixing plate interval, go up the mould with the lower mould passes through the guide pin bushing with the guide pillar cooperation is installed, the impact pin with hole die insert cooperation, the flitch guide pillar with second flitch guide pin hole cooperation.

2. The variable hole number punch die of claim 1, wherein: the insert fixer comprises a convex block plate, a connecting plate, insert fixing screws, a side positioning plate, side positioning screws, a side positioning block and a side positioning block sliding block, wherein the convex block plate is provided with the convex block, the two insert fixing screws are arranged on the convex block plate, one end of the connecting plate is arranged on the convex block plate, and the other end of the connecting plate is arranged at the lower end of the side positioning plate; the side positioning screw is installed at the upper end of the side positioning plate, the side positioning block sliding block is installed at the right side of the side positioning plate, the side positioning block is nested on the side positioning block sliding block, and the side positioning screw abuts against the right end of the side positioning block.

3. The variable hole number punch die of claim 1, wherein: the locator includes locating piece, set screw fixed plate, positioning connection board, locator spring, locator thimble and spiral shell line, two the positioning connection board is installed on the set screw fixed plate, the set screw is installed on the set screw fixed plate, the locating piece nestification is in on the locating piece groove, the set screw front end top is on the locating piece, the inside locator thimble hole that is equipped with of locating piece, locator thimble hole front end is equipped with the plugged hole screw thread, the spiral shell nestification is in the plugged hole screw thread, the locator thimble is arranged in the locator thimble hole, the locator thimble with be equipped with between the spiral shell line the locator spring, locator thimble head is being pushed against hole die mold insert side.