CN211360626U

CN211360626U - Burr punching jig

Info

Publication number: CN211360626U
Application number: CN201922196367.6U
Authority: CN
Inventors: 郑海涛; 梁孝龙
Original assignee: Dongguan Wangjia Hardware Products Co ltd
Current assignee: Dongguan Wangjia Hardware Products Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-28
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to a burr punching jig, which comprises a lower die and an upper die, wherein the upper die can move up and down relative to the lower die, and the lower die is used for limiting and fixing a hardware workpiece; go up the mould including dashing needle and lifter plate, it dashes deckle edge to the hardware work piece to go up the mould drive, it is fixed in the lifter plate to dash the one end that the lower mould was kept away from to the needle, it extends the lifter plate towards the direction of lower mould to dash the one end that the needle is close to the lower mould, it is unanimous with the rectangular hole size and the shape of hardware work piece to dash the cross section of needle lower part, it is provided with first towards sword and second towards sword to dash needle lower part symmetry, first towards sword and second towards forming a U type groove between the sword, the size and the shape in U type groove are unanimous with the size and the shape of rings, the opening in U type groove is towards the lower mould, the bottom in U type groove keeps having the clearance. The utility model discloses more convenient and fast has alleviateed operation workman's working strength, has improved production efficiency.

Description

Burr punching jig

Technical Field

The utility model relates to a hardware equipment processing technology field, specific saying so relates to a towards burr tool.

Background

The prior art has a hardware workpiece, which is a die-casting product, and generally has a serious burr phenomenon, as shown in fig. 1 and 2, the hardware workpiece comprises a hanging ring a, a circular rectangular ring part B, a rectangular part C, a square handle D and a long handle E, the hanging ring a is arranged at the center below the circular rectangular ring part B, the rectangular part C is arranged above the circular rectangular ring part B, a rectangular hole C1 is arranged at the center of the rectangular part C, the width of the part of the hanging ring a connected with the circular rectangular ring part B is smaller than the width of the short side of the rectangular hole C1, the lengths of the two side edges of the hanging ring a are consistent with the length of the long side of the rectangular hole C1, the two long sides of the rectangular hole C1 are parallel to the two side edges of the hanging ring a, and the square handle D and the long handle E are oppositely arranged at the two ends. After the hardware workpiece is die-cast and molded, two long edges of the rectangular hole C1 and two sides of the hanging ring A have serious burr phenomena, the burr phenomena affect the appearance and the size requirement of a product, the burr removal of the existing hardware workpiece is manually removed by using a filing knife, the working strength is high, and the production efficiency is also reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a towards burr tool can alleviate operation workman's working strength, improves production efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a burr punching jig comprises a lower die and an upper die, wherein the upper die moves up and down relative to the lower die, and the lower die is used for limiting and fixing a hardware workpiece;

go up the mould including dashing needle and lifter plate, it dashes deckle edge to the five metals work piece to go up the mould drive, dash the needle and keep away from the one end of lower mould and be fixed in the lifter plate, dash the needle and be close to the one end of lower mould and extend the lifter plate towards the direction of lower mould, it is unanimous with the rectangular hole size and the shape of five metals work piece to dash the cross section of needle lower part, it is provided with first towards sword and second towards the sword to dash needle lower part symmetry, first towards sword and second towards forming a U type groove between the sword, the size and the shape in U type groove are unanimous with the size and the shape of rings, the opening in U type groove is.

Through adopting above-mentioned technical scheme, the lower mould is to the spacing fixed back of hardware component, go up the relative lower mould of mould and be downstream, it gives the power that is close to hardware component to dash needle one to go up the mould, the side that is close to U type groove center of first die cutter and second die cutter is used for dashing the deckle edge that removes hardware component's rings, the side that keeps away from U type groove center of first die cutter and second die cutter is used for dashing two long limits that remove hardware component's rectangular hole, compare artifical deckle edge with the sword of seting aside and getting rid of hardware component, this towards deckle edge tool is more convenient and fast, operation workman's working strength has been alleviateed, and the production efficiency is improved.

The utility model discloses further set up to: the lower mould includes that bottom plate, income sub-fixed plate and location go into the son, it is fixed in the bottom plate top to go into the sub-fixed plate, go into the sub-fixed plate and be provided with first through-hole, go into sub detachably to install in the first through-hole of going into sub-fixed plate in the location, the location goes into the son size unanimous with the first through-hole size of going into on the sub-fixed plate, goes into son and goes into sub-fixed plate fixed connection in the location.

Through adopting above-mentioned technical scheme, go into sub-fixed plate and pass through bolt detachably and be fixed in the bottom plate top, when the location goes into the son or goes into sub-fixed plate and damage, can change location income son or income sub-fixed plate.

The utility model discloses further set up to: the terminal surface of the one end of the fixed plate of the insert is provided with a limiting groove, a first heightening block and a second heightening block, the first heightening block and the second heightening block are respectively positioned on two sides of the limiting groove, and the first heightening block and the second heightening block are fixedly connected with the positioning insert.

Through adopting above-mentioned technical scheme, the spacing groove is used for fixed hardware component's circle rectangle ring portion, and first bed hedgehopping piece and second bed hedgehopping piece support hardware component's square handle part and rectangular handle part respectively, and the location income is used for pinpointing hardware component.

The utility model discloses further set up to: a second through hole is formed in the limiting groove, and the cross section of the second through hole is consistent with that of the rectangular part of the hardware workpiece; the bottom plate is internally provided with a discharge channel, the second through hole of the limiting groove is over against the upper end of the discharge channel of the bottom plate, and the lower port of the discharge channel is arranged on the side surface of the bottom plate.

By adopting the technical scheme, the utility model discloses a when five gold workpieces dash deckle edge, the deckle edge that dashes falls into the second through-hole, discharges along the discharge passage and dashes the deckle edge tool after that.

And a limiting column is fixed on the insert fixing plate, and one end of the limiting column, which is far away from the insert fixing plate, can be abutted against the upper die.

Through adopting above-mentioned technical scheme, spacing post has controlled the lower dead center of last mould for there is suitable interval in the upper surface that keeps backstop board and five metals work piece, and the bottom in the U type groove of towards the needle keeps suitable interval with the upper surface of rings of five metals work piece.

The utility model discloses further set up to: the upper die comprises a beer machine chuck, a lifting plate, a punching needle, a stripping rod, a spring and a guide pillar, wherein the lifting plate comprises a chuck fixing plate, an upper clamping plate and a stop plate;

the beer machine chuck is fixed on a chuck fixing plate, one end, far away from the lower die, of the beer machine chuck is connected with a driving system, the chuck fixing plate is fixed on an upper clamping plate, and the upper clamping plate is fixed on a stop plate.

By adopting the technical scheme, the driving system drives the beer machine chuck to drive the upper die to move up and down relative to the lower die, and the driving system can be a hydraulic cylinder or an air cylinder.

The utility model discloses further set up to: the number of the guide posts is two, the guide posts are fixed in a lifting plate, one ends of the guide posts, far away from the lifting plate, are inserted into the insert fixing plate and the bottom plate in a sliding mode, and a driving system can drive the upper die to move up and down along the direction of the guide posts.

Through adopting above-mentioned technical scheme, go up the mould and do the up-and-down motion through the relative lower mould of guide pillar, the guide pillar has ensured to go up the mould and has moved with accurate location, and guide pillar precision is high, easy operation.

The utility model discloses further set up to: the metal workpiece stripping device is characterized in that a sliding groove is formed in one end, far away from the positioning insert, of the stop plate, a third through hole is formed in the bottom of the sliding groove, the stripping rod comprises a rod part and a head part which are integrally arranged, the cross section of the rod part is consistent with the size and the shape of the rectangular part of a metal workpiece, one end of the rod part is used for abutting against the upper surface of the rectangular part of the metal workpiece, the head part of the stripping rod is in sliding fit with the sliding groove of the stop plate, and the rod part of the stripping rod is in sliding fit with the third through hole below the bottom of the;

the material stripping device is characterized in that a spring is arranged in the sliding groove, the spring is sleeved on the punching needle, and two ends of the spring are abutted against the head of the material stripping rod and the upper clamping plate.

Through adopting above-mentioned technical scheme, after lifter plate and spacing post supported, the sliding tray gave the slip space of taking off a slip direction of material pole for the direction that is close to the punch holder, takes off the material pole and overcomes spring force and follow the sliding tray and upwards slide, and the spring gives the elasticity that takes off material pole one and keep conflicting throughout with the upper surface of hardware workpiece's rectangle portion simultaneously, and better fixes a position hardware workpiece.

The utility model discloses further set up to: the stripper rod is arranged in a hollow mode, the cross section of the hollow portion of the stripper rod is consistent with that of the punching needle, one end, far away from the lower die, of the punching needle is fixed in the upper clamping plate, one end, close to the lower die, of the punching needle penetrates through the hollow portion of the stripper rod, and the punching needle is connected with the stripper rod in a sliding mode.

Through adopting above-mentioned technical scheme, take off the material pole through with hardware workpiece's the better back of fixing a position hardware workpiece of rectangle portion upper surface conflict, the hollow design that dashes the needle through taking off the material pole with take off material pole sliding connection, provide accurate location for dashing the needle to punching deckle edge hardware workpiece.

To sum up, the utility model discloses a beneficial technological effect does:

firstly, the structure is simple, the operation is convenient and fast, and the working strength of operators is reduced;

secondly, the production efficiency is improved;

thirdly, the production cost of enterprises is reduced.

Drawings

Fig. 1 is a perspective view of a hardware workpiece.

Fig. 2 is a plan view of a hardware workpiece.

Fig. 3 is a schematic structural diagram of the present invention.

Fig. 4 is a schematic perspective view of the present invention.

Fig. 5 is a schematic structural view of the positioning insert of the present invention.

Fig. 6 is a position relation diagram before the punching pin punches the burrs of the hardware workpiece.

Fig. 7 is a position relation diagram of the punching pin after the burrs of the hardware workpiece are punched.

In the figure, A, a hanging ring; B. a circular rectangular ring portion; C. a rectangular portion; D. a square handle; E. a bar handle; c1, rectangular holes; 1. a lower die; 11. an insert fixing plate; 111. a first through hole; 112. a card slot; 12. a base plate; 121. a discharge passage; 13. positioning an insert; 131. a limiting groove; 132. a first block of padding; 133. a second block; 134. a second through hole; 135. buckling; 14. a limiting column; 2. an upper die; 21. a beer machine chuck; 22. a lifting plate; 221. a chuck fixing plate; 222. an upper splint; 2221. an ear canal; 223. a stopper plate; 2231. a sliding groove; 2232. a third through hole; 23. punching a needle; 231. a first die cutter; 232. a second die cutter; 233. hanging a lug; 24. stripping the material rod; 241. a rod portion; 242. a head portion; 25. a spring; 26. and (6) a guide pillar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 3 and 4, for the utility model discloses a towards burr tool, including lower mould 1 and last mould 2, it can do the up-and-down motion relatively lower mould 1 to go up mould 2.

The lower die 1 comprises a bottom plate 12, an insert fixing plate 11 and a positioning insert 13. Go into sub-fixed plate 11 and be fixed in bottom plate 12 top through bolt detachably, it is provided with first through-hole 111 to go into sub-fixed plate 11, first through-hole 111 size is unanimous with the location income sub-13 size, the location is gone into sub-13 and is installed in the first through-hole 111 of going into sub-fixed plate 11, the location is gone into the relative symmetry in both sides that sub-13 is close to the one end of income sub-fixed plate 11 and is provided with buckle 135, the relative symmetry in both sides that first through-hole 111 is close to the one end of bottom plate 12 is provided with draw-in groove 112, draw-in groove 112 size and shape and buckle 135 phase-match, the location is gone into sub-13 and is fixed in.

Referring to fig. 5, the end surface of one end of the positioning insert 13 far away from the insert fixing plate 11 is provided with a limiting groove 131, a first heightening block 132 and a second heightening block 133, the first heightening block 132 and the second heightening block 133 are respectively located at two sides of the limiting groove 131, and the first heightening block 132 and the second heightening block 133 are fixedly connected with the positioning insert 13. A second through hole 134 is formed in the limiting groove 131, the cross section of the second through hole 134 is consistent with the size and the shape of the rectangular part C of the hardware workpiece, the limiting groove 131 is used for fixing the circular rectangular ring part B of the hardware workpiece, and the rectangular part C of the hardware workpiece and the hanging ring A are arranged in the second through hole 134; the first heightening block 132 and the second heightening block 133 support a square handle D part and a strip handle E part of the hardware workpiece respectively, and the positioning insert 13 is used for limiting the hardware workpiece.

Referring to fig. 3 and 4, a downwardly inclined discharge channel 121 is disposed in the bottom plate 12, the second through hole 134 of the positioning insert 13 faces the upper end of the discharge channel 121 of the bottom plate 12, and the lower port of the discharge channel 121 is disposed on the side surface of the bottom plate 12 for discharging the punched burrs out of the burr punching jig.

The insert fixing plate 11 is detachably fixed with a limiting column 14 through a bolt, and one end of the limiting column 14, which is far away from the insert fixing plate 11, can be abutted against the upper die 2 to control the lower dead point of the upper die 2.

The upper die 2 comprises a beer machine chuck 21, a lifting plate 22, a punching needle 23, a stripping rod 24, a spring 25 and a guide post 26, and the lifting plate 22 comprises a chuck fixing plate 221, an upper clamping plate 222 and a stop plate 223.

The beer machine cartridge 21 is detachably fixed on the cartridge fixing plate 221 through a bolt, one end of the beer machine cartridge 21 far away from the lower die 1 is connected with a driving system, the driving system can be a hydraulic cylinder or an air cylinder, the cartridge fixing plate 221 is detachably fixed on the upper clamping plate 222 through a bolt, and the upper clamping plate 222 is detachably fixed on the stop plate 223 through a bolt.

Two guide posts 26 are provided, the guide posts 26 are detachably fixed in the lifting plate 22, one end of the guide posts 26 far away from the lifting plate 22 is slidably inserted into the insert fixing plate 11 and the bottom plate 12, and the driving system can drive the upper die 2 to move up and down along the direction of the guide posts 26.

The stripping rod 24 comprises a rod part 241 and a head part 242 which are integrally arranged, the cross section of the rod part 241 is consistent with the size and the shape of the rectangular part C of the hardware workpiece, and one end of the rod part 241 is used for abutting against the upper surface of the rectangular part C of the hardware workpiece; the stripping rod 24 is arranged in a hollow mode, and the cross section of the hollow part of the stripping rod 24 is consistent with that of the punching needle 23.

A sliding groove 2231 is arranged at one end of the stop plate 223 far away from the positioning insert 13, a third through hole 2232 is arranged at the bottom of the sliding groove 2231, the head 242 of the stripping rod 24 is in sliding fit with the sliding groove 2231 of the stop plate 223, the rod part 241 of the stripping rod 24 is in sliding fit with the third through hole 2232 below the bottom of the sliding groove 2231, and the stripping rod 24 has a sliding space in the sliding groove 2231, wherein the sliding direction of the sliding space is close to the upper clamping plate 222.

The sliding groove 2231 is provided with a spring 25, the punch pin 23 is sleeved with the spring 25, and two ends of the spring 25 are abutted against the head 242 of the stripper rod 24 and the upper clamping plate 222.

A hanging lug 233 which is integrally arranged with the punching needle 23 is arranged at one end of the punching needle 23 which is far away from the lower die 1, an ear groove 2221 is arranged at one end of the upper clamping plate 222 which is close to the beer machine chuck 21, the size and the shape of the ear groove 2221 are matched with those of the hanging lug 233, the punching needle 23 is clamped and fixed in the ear groove 2221 of the upper clamping plate 222 through the hanging lug 233, and one side of the beer machine chuck 21 which is close to the upper clamping plate 222 is pressed on the upper surface of the hanging lug 233; one end of the punch pin 23 close to the lower die 1 penetrates through the hollow part of the stripping rod 24 and is connected with the stripping rod 24 in a sliding manner.

Referring to fig. 6, the cross section of the lower portion of the punching needle 23 is the same as the size and shape of the rectangular hole C1 of the hardware workpiece, the first punching knife 231 and the second punching knife 232 are symmetrically arranged on the lower portion of the punching needle 23, a U-shaped groove is formed between the first punching knife 231 and the second punching knife 232, the size and shape of the U-shaped groove are the same as those of the hanging ring a, and the opening of the U-shaped groove faces the positioning insert 13.

Referring to fig. 7, the side edges of the first stamping knife 231 and the second stamping knife 232 close to the center of the U-shaped groove are used for stamping burrs at two sides of the hanging ring a of the hardware workpiece, and the side edges of the first stamping knife 231 and the second stamping knife 232 far away from the center of the U-shaped groove are used for stamping two long edges of the rectangular hole C1 of the hardware workpiece.

The implementation principle of the embodiment is as follows: firstly, after a hardware workpiece is placed on the positioning insert 13 for limiting, the upper die 2 descends to enable the stripping rod 24 to be abutted against the upper surface of the rectangular part C of the hardware workpiece, and the hardware workpiece is pressed on the positioning insert 13 to be better positioned;

the upper die 2 continues to descend, the stripping rod 24 overcomes the elastic force of the spring 25 and slides upwards along the sliding groove 2231, meanwhile, the spring 25 gives the stripping rod 24 an elastic force which is always in collision with the upper surface of the rectangular part C of the hardware workpiece, the first punching knife 231 and the second punching knife 232 of the punching needle 23 extend into the second through hole 134 of the positioning insert 13 to punch out two long edges of the rectangular hole C1 of the hardware workpiece and burrs at two sides of the hanging ring A, the punched burrs fall into the second through hole 134 of the positioning insert 13 and the punched burrs are discharged out of the burr punching jig through the discharging channel 121 on the bottom plate 12;

and finally, the upper die 2 rises, and after the lifting plate 22 of the upper die 2 is separated from the limiting column 14, the stripping rod 24 is separated from the upper surface of the rectangular part C of the hardware workpiece, so that the hardware workpiece can be taken out from the positioning insert 13.

The process that the principle described is implemented above is getting of hardware component and gets and dash and remove deckle edge operation procedure, compares artifical deckle edge with filing the sword and getting rid of hardware component, and this towards deckle edge tool is convenient and fast more, has alleviateed operation workman's working strength, has improved production efficiency.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a towards burr tool which characterized in that: the hardware workpiece limiting device comprises a lower die (1) and an upper die (2), wherein the upper die (2) moves up and down relative to the lower die (1), and the lower die (1) is used for limiting and fixing a hardware workpiece;

go up mould (2) including towards needle (23) and lifter plate (22), it dashes the deckle edge to the five-metal work piece to go up mould (2) drive towards needle (23), it is fixed in lifter plate (22) to dash the one end that lower mould (1) was kept away from in needle (23), it extends lifter plate (22) towards the direction of lower mould (1) to dash the one end that needle (23) is close to lower mould (1), it is unanimous with the rectangular hole (C1) size and the shape to dash the cross section of needle (23) lower part and five metals work piece, it is provided with first die cutter (231) and second die cutter (232) to dash needle (23) lower part symmetry, form a U type groove between first die cutter (231) and second die cutter (232), the size and the shape in U type groove are unanimous with the size and the shape of rings (A), the opening in U type groove is towards lower mould (1).

2. The burr punching jig of claim 1, wherein: lower mould (1) includes bottom plate (12), goes into sub-fixed plate (11) and fixes a position and goes into sub (13), go into sub-fixed plate (11) and be fixed in bottom plate (12) top, it is provided with first through-hole (111) to go into sub-fixed plate (11), fix a position and go into sub (13) detachably and install in first through-hole (111) of going into sub-fixed plate (11), fix a position and go into sub (13) size and go into first through-hole (111) size unanimous on sub-fixed plate (11), fix a position and go into sub (13) and go into sub-fixed plate (11) fixed connection.

3. The burr punching jig of claim 2, wherein: the terminal surface of the one end of the fixed plate (11) of the insert is kept away from in the location insert (13) is provided with a limiting groove (131), a first heightening block (132) and a second heightening block (133), the first heightening block (132) and the second heightening block (133) are respectively positioned on two sides of the limiting groove (131), and the first heightening block (132) and the second heightening block (133) are fixedly connected with the location insert (13).

4. The burr punching jig of claim 3, wherein: a second through hole (134) is formed in the limiting groove (131), and the cross section of the second through hole (134) is consistent with that of the rectangular part (C) of the hardware workpiece; the discharging device is characterized in that a discharging channel (121) is arranged in the bottom plate (12), a second through hole (134) of the limiting groove (131) is over against the upper end of the discharging channel (121) of the bottom plate (12), and a lower port of the discharging channel (121) is arranged on the side face of the bottom plate (12).

5. The burr punching jig of claim 4, wherein: a limiting column (14) is fixed on the insert fixing plate (11), and one end, far away from the insert fixing plate (11), of the limiting column (14) can be abutted to the upper die (2).

6. The burr punching jig of claim 1, wherein: the upper die (2) comprises a beer machine chuck (21), a lifting plate (22), a punching needle (23), a stripping rod (24), a spring (25) and a guide post (26), and the lifting plate (22) comprises a chuck fixing plate (221), an upper clamping plate (222) and a stop plate (223);

the beer machine clamping head (21) is fixed on a clamping head fixing plate (221), one end, far away from the lower die (1), of the beer machine clamping head (21) is connected with a driving system, the clamping head fixing plate (221) is fixed on an upper clamping plate (222), and the upper clamping plate (222) is fixed on a stop plate (223).

7. The burr punching jig of claim 6, wherein: the number of the guide posts (26) is two, the guide posts (26) are fixed in the lifting plate (22), one end, far away from the lifting plate (22), of each guide post (26) can be inserted into the insert fixing plate (11) and the base plate (12) in a sliding mode, and the driving system can drive the upper die (2) to move up and down along the direction of the guide posts (26).

8. The burr punching jig of claim 7, wherein: one end, far away from the positioning insert (13), of the stop plate (223) is provided with a sliding groove (2231), the bottom of the sliding groove (2231) is provided with a third through hole (2232), the stripping rod (24) comprises a rod part (241) and a head part (242) which are integrally arranged, the cross section of the rod part (241) is consistent with the size and the shape of a rectangular part (C) of the hardware workpiece, one end of the rod part (241) is used for abutting against the upper surface of the rectangular part (C) of the hardware workpiece, the head part (242) of the stripping rod (24) is in sliding fit with the sliding groove (2231) of the stop plate (223), and the rod part (241) of the stripping rod (24) is in sliding fit with the third through hole (2232) below the bottom of the sliding groove (2231);

a spring (25) is arranged in the sliding groove (2231), the punching needle (23) is sleeved with the spring (25), and two ends of the spring (25) are abutted against the head (242) of the stripping rod (24) and the upper clamping plate (222).

9. The burr punching jig of claim 8, wherein: the stripping rod (24) is arranged in a hollow mode, the cross section of the hollow portion of the stripping rod (24) is identical to that of the punching needle (23), one end, far away from the lower die (1), of the punching needle (23) is fixed in the upper clamping plate (222), one end, close to the lower die (1), of the punching needle (23) penetrates through the hollow portion of the stripping rod (24), and the punching needle (23) is connected with the stripping rod (24) in a sliding mode.