CN210754707U - Tool for punching burrs of U-shaped groove - Google Patents

Abstract

The utility model belongs to the technical field of the machining equipment, more specifically the utility model relates to a towards U groove deckle edge tool. Including lower mould component and last mould component, lower mould component is equipped with thimble and hypoplastron mould, and the thimble is fixed to be set up under mould component, and the hypoplastron mould slides and sets up under on the mould component, is provided with the constant head tank on the lower mould, go up mould component and be equipped with the punching press piece, on the fixed mould component that sets up of punching press piece, the punching press piece set up directly over the thimble. The utility model discloses it is hard when consuming time to aim at solving artifical processing deckle edge, problem that production efficiency is low.

Description

Tool for punching burrs of U-shaped groove

Technical Field

The utility model belongs to the technical field of the machining equipment, especially, relate to a dash U groove deckle edge tool.

Background

At present, a die casting is widely applied in various industries as a common casting part. Limited by the process characteristics of die-casting, referring to fig. 1, the blank 110 includes a U-shaped groove 1101, and after die-casting, a small amount of burrs exist on the inner wall of the U-shaped groove 1101, which may affect the installation and use of the part, so that the burrs need to be removed at a later stage.

In the prior art, the rough blanks are generally gathered together, and rough edges on the inner wall of a U-shaped groove of each rough blank are manually removed.

The above prior art solutions have the following drawbacks: although the burrs can be effectively removed by manual treatment, the time and labor are consumed, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The not enough to above-mentioned prior art, the utility model aims at providing a dash U groove deckle edge tool aims at solving the problem that artifical processing deckle edge is hard when consuming time, and production efficiency is low.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a towards U groove deckle edge tool, includes lower mould component and goes up mould component, lower mould component is equipped with thimble, lower matrix and spring, and the thimble is fixed to be set up under mould component, and lower matrix slides and sets up under on mould component, is provided with the constant head tank that is used for placing the blank on the lower matrix, the spring is fixed to be set up under between matrix and lower mould component, it is equipped with the punching press piece to go up mould component, and the punching press piece is fixed to be set up at last mould component, and the punching press piece is located directly over the thimble, and the thimble inserts the constant head tank.

Through adopting above-mentioned technical scheme, on the constant head tank was placed to the blank, go up mould assembly downstream, when the blank was contradicted to the punching press piece, lower plate mould promoted the spring downwards, contradicted blank U type bottom of the groove portion completely until the thimble, and deckle edge is got rid of simultaneously, then goes up mould assembly and gets back to initial position, and lower plate mould receives the spring and upwards elasticity and upward movement, makes that we get rid of when blank deckle edge fast again laborsaving through this tool, has promoted production efficiency.

Preferably, the lower die assembly comprises a lower die base at the bottom, a lower clamping plate is fixedly connected to the lower die base, a downlink limiting column is fixedly connected to the lower clamping plate, guide columns are fixedly arranged at four corners of the lower clamping plate, and a lower die is connected to the guide columns in a sliding mode.

Through adopting above-mentioned technical scheme, the punch holder is provided with four guide pillars for it is more stable when lower plate mould up-and-down motion, and the spacing post down of fixedly connected with on the lower plate mould stops when the lower plate mould moves down until with the spacing post contact down.

Preferably, the lower plate penetrates through the fixing rod, the fixing rod is vertical and penetrates through the lower plate, a limiting head is arranged at the end of the fixing rod, a movable hole is formed in the position, corresponding to the fixing rod, of the lower die holder, the diameter of the movable hole is larger than that of the limiting head, the limiting head is located in the movable hole, the depth of the movable hole is 7mm higher than that of the limiting head, a threaded hole is formed in the end portion of the fixing rod relative to the end face of one end of the limiting head, an ascending limiting column is fixed to the end portion of the fixing rod relative to one end of the limiting head through a stud, and the lower end face of the ascending limiting column is abutted.

By adopting the technical scheme, the fixed rod can move up and down within the moving range of 0-7mm, and when the lower plate die moves upwards, the maximum distance of the upper plate die in the upward direction is limited by the upward limiting columns.

Preferably, the spring is sleeved on the guide post, and two ends of the spring are respectively abutted against the upper end face of the lower clamping plate and the lower end face of the lower plate die.

By adopting the technical scheme, after the lower plate die compresses the spring, the spring can provide upward elastic force when the lower plate die needs to move upwards.

Preferably, the front end face of the lower plate die is provided with a blowing hole communicated with the positioning groove, the blowing hole is L-shaped, the opening of the front end face of the lower plate die is an air inlet, and the opening of the positioning groove is an air outlet.

Through adopting above-mentioned technical scheme, set up "L" type gas hole, take off blank fast through blowing in the air current, improve production efficiency.

Preferably, be equipped with thimble assembly on the lower plate, thimble assembly includes thimble and shelves post, the thimble runs through the lower plate and is provided with the square groove at the lower terminal surface that corresponds the position of running through the lower plate, the position of the upper end of thimble is located the constant head tank, the thimble upper end is inconsistent with blank lower part, and terminal surface and lower board mould are inconsistent under the thimble, horizontal through-hole is seted up to the tip under the thimble, and the shelves post inserts in the horizontal through-hole and its global conflict with the square groove bottom.

Through adopting above-mentioned technical scheme, set up horizontal through-hole on the thimble and insert the shelves post, when preventing lower matrix mould rebound, the ejector pin is pulled out from lower matrix mould with the thimble to the blank.

Preferably, the thimble is by circular body of rod and set up in the rectangular rod body integrated into one piece of circular body of rod lateral wall, and circular body of rod and rectangular rod body correspond the round hole and the U type groove of blank respectively.

Through adopting above-mentioned technical scheme, the thimble is provided with specific shape, and the purpose makes the thimble insert the U type groove of blank to the realization is to the unedged getting rid of in blank U type groove.

Preferably, the upper die assembly comprises an upper die base and an upper clamping plate, the upper die base is fixedly connected to the upper end of the upper clamping plate through a bolt, the upper die base and the lower clamping plate are connected to the guide pillar in a sliding mode, the upper die base is driven by a driving device connected with a driving rod, the lower clamping plate is fixedly connected with a stamping block, the lower end face of the stamping block is abutted to the upper portion of the blank, and the upper end face of the stamping block is abutted to the lower end face of the upper die base.

Through adopting above-mentioned technical scheme, go up the mould subassembly and can remove downwards, blank will be contradicted to be fixed in the constant head tank, can not become flexible.

Preferably, the lower end face of the punching block is provided with a groove which is abutted against the upper portion of the blank, the shape of the groove is matched with that of the blank, the center of the lower clamping plate is provided with a square through hole, the rear wall of the square through hole is provided with a clamping groove for clamping the punching block, and the rear wall of the punching block is provided with a clamping table which is clamped and matched with the clamping groove.

Through adopting above-mentioned technical scheme, the lower plate square through-hole rear wall sets up the draw-in groove, and the punching press piece rear wall sets up the ka tai, and its purpose is to guarantee that punching press piece 23 can not drop from square through-hole.

To sum up, the beneficial effects of the utility model are that: on the constant head tank was placed to the blank, go up the mould subassembly and move down, when conflicting the blank until the punching press piece, lower plate mould promoted the spring downwards, contradicted blank U type bottom of the groove portion completely until the thimble, and deckle edge is got rid of simultaneously, then goes up the mould subassembly and gets back to initial position, and lower plate mould receives spring elasticity and upward movement that makes progress, makes us get rid of when blank deckle edge fast again laborsaving through this tool, has promoted production efficiency.

Drawings

FIG. 1 is a schematic structural view of a blank to be processed according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a U-groove punching jig according to an embodiment of the present invention;

fig. 3 is an exploded view of the U-groove punching jig according to the embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a sectional view taken along line B-B of FIG. 2;

FIG. 6 is a schematic structural view of a thimble assembly according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of the ejector pin inserted into the U-groove of the blank member according to the embodiment of the present invention;

fig. 8 is a schematic structural diagram of a stamping part in an embodiment of the present invention.

Reference numerals: 1. a lower die assembly; 11. a lower die holder; 111. a movable hole; 12. a lower splint; 121. a square groove; 13. a downward limiting column; 14. a guide post; 15. a lower plate mold; 151. a gas blowing hole; 152. positioning a groove; 16. a spring; 17. fixing the rod; 171. a limiting head; 172. a threaded hole; 18. an upstream limit column; 19. a thimble assembly; 191. a shift post; 192. a thimble; 1921. a transverse through hole; 1922. a circular rod body; 1923. a rectangular rod body; 110. a blank member; 1101. a U-shaped groove; 1102. a circular hole; 2. an upper die assembly; 21. an upper die holder; 22. an upper splint; 221. a square through hole; 222. a card slot; 23. stamping the blocks; 231. a groove; 232. clamping a platform; 24. a drive rod.

Detailed Description

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

A jig for punching rough edges of U-shaped grooves refers to fig. 2 and 3 and comprises a lower die assembly 1 and an upper die assembly 2.

Referring to fig. 2 and 3, the lower die assembly 1 includes a lower die base 11 at the bottom, the lower die base 11 is rectangular, and a lower clamping plate 12 is fixed on the lower die base 11 through bolts. Four guide posts 14 are fixedly arranged at four corners of the lower clamping plate 12. The guide post 14 is slidably connected with a lower plate die 15, referring to fig. 2 and 3, the guide post 14 is sleeved with a spring 16, two ends of the spring 16 respectively abut against the upper end surface of the lower clamping plate 12 and the lower end surface of the lower plate die 15, the upper surface of the lower plate die 15 is provided with a positioning groove 152 for placing the blank 110, and the shape of the positioning groove 152 is matched with the outer contour shape of the lower part of the blank 110. The lower splint 12 is fixed with the vertical downlink limiting columns 13 through bolts, the number of the downlink limiting columns 13 is two, and the two downlink limiting columns 13 are symmetrically distributed on two sides of the lower splint 12 along the central axis of the lower splint 12. The downward limiting columns 13 are used for limiting the limit positions of the downward movement of the lower plate mold 15.

Referring to fig. 3 and 5, the front end surface of the lower plate mold 15 is provided with a blowing hole 151 communicated with the positioning groove 152, the blowing hole 151 is in an "L" shape, the opening of the front end surface of the lower plate mold 15 is an air inlet, and the opening of the positioning groove 152 is an air outlet.

Referring to fig. 4, two fixing rods 17 are arranged in the lower splint 12, the fixing rods 17 are vertical and pass through the lower splint 12, a limiting head 171 is arranged at the end of each fixing rod 17, a movable hole 111 is arranged at the position of the lower die holder 11 corresponding to the fixing rod 17, the movable hole 111 is larger than the limiting head 171, the limiting head 171 is positioned in the movable hole 111, the depth of the movable hole 111 is 7mm higher than the height of the limiting head 171, so that the fixing rod 17 can move up and down within a moving range of 0-7mm, a threaded hole 172 is formed in the end face of the end portion of the fixing rod 17 opposite to one end of the limiting head 171, an upper limiting column 18 is fixed to one end of the end portion of the fixing rod 17 opposite to one end of the limiting head 171 through a stud, the lower end face of the upper limiting column 18 abuts against the upper end face of the lower plate die 15, and the upper limiting column 18 is used for limiting the maximum position of upward movement of the lower plate die 15 and the minimum position between the lower plate die 12 and the lower plate die 15.

Referring to fig. 5 and 6, a vertically arranged thimble assembly 19 is fixedly connected to the lower clamp plate 12, and includes a blocking pillar 191 and a thimble 192, the thimble 192 penetrates through the lower clamp plate 12, a square groove 121 is formed on a lower end surface of the lower clamp plate 12, a transverse through hole 1921 is formed at a lower end portion of the thimble 192, and the blocking pillar 191 is inserted into the transverse through hole 1921 and abuts against a bottom of the square groove 121. The upper end of the thimble 192 is positioned in the positioning groove 152, the upper end of the thimble 192 contacts the lower portion of the blank 110, and the lower end surface of the thimble 192 contacts the lower die 15.

Referring to fig. 6 and 7, the thimble 192 is integrally formed by a circular rod 1922 and a rectangular rod 1923 disposed on a side wall of the circular rod 1922, and the circular rod 1922 and the rectangular rod 1923 respectively correspond to the circular hole 1102 and the U-shaped groove 1101 of the blank 110, so that the thimble 192 can be inserted into the U-shaped groove of the blank 110, and burrs of the U-shaped groove 1101 of the blank 110 can be removed.

Referring to fig. 2 and 3, the upper die assembly 2 includes an upper die base 21 and an upper clamp plate 22, the upper die base 21 is fixedly connected to the upper clamp plate 22 through a bolt, the upper die base 21 and the upper clamp plate 22 are connected to the guide post 14 in a sliding manner, the upper die base 21 is driven by a driving device connected with a driving rod 24 to realize the up-and-down movement of the upper die assembly 2, the driving device selects a hydraulic cylinder, the upper clamp plate 22 is fixedly connected with a stamping block 23, the lower end face of the stamping block 23 is abutted to the upper portion of the blank 110, and the upper end face of the stamping block 23 is abutted to.

Referring to fig. 5 and 8, a groove 231 abutting against the upper end of the blank 110 is formed in the lower end face of the punch 23, the shape of the groove 231 is matched with the outer contour shape of the upper portion of the blank 110, so that when the punch 23 is pressed downwards, the upper surface of the blank 110 is stressed more uniformly, a square through hole 221 is formed in the center of the lower clamp plate 12, a clamping groove 222 for clamping the punch 23 is formed in the rear wall of the square through hole 221, a clamping table 232 is formed in the rear wall of the punch 23, and the clamping table 232 is in clamping fit with the clamping groove 222, so that the punch 23 cannot fall from the square through hole 221.

The implementation principle and the beneficial effects of the embodiment are as follows: before the jig works, a blank 110 is manually placed on a positioning groove 152 of a lower plate die 15, then a driving device connected with a driving rod 24 drives an upper die assembly 2 to move downwards along a guide post 14, the lower plate die 15 abuts against an upper limiting post 18, meanwhile, a punching block 23 abuts against the blank 110, at the moment, the upper die assembly 2 continues to move downwards along the guide post 14, the upper limiting post 18 abuts against the lower plate die 15, the lower plate die 15 compresses a spring 16 downwards, meanwhile, the blank 110 slowly approaches an ejector pin assembly 19, until the lower plate die 15 abuts against a lower limiting post 13, an ejector pin 192 abuts against a U-shaped groove 1101 of the blank 110, and in the series of processes, the ejector pin 192 removes burrs on the inner wall of the U-shaped groove 1101 of the blank 110; then the upper mold assembly 2 moves upward to the initial position, the lower mold 15 is moved upward by the elastic force of the spring 16 until the upper end surface of the stopper 171 abuts against the lower mold 15, at this time, air is blown into the air blowing hole 151, the blown air blows the blank 110 out of the positioning groove 152 and blows away the detached burrs, and thus, one operation is completed.

In conclusion, the efficiency of product production can be accelerated through the cooperation between the lower die assembly 1 and the upper die assembly 2.

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 (9)

1. The utility model provides a dash U groove deckle edge tool, characterized by: including lower mould component (1) and last mould component (2), lower mould component (1) is equipped with thimble (192), lower moulding board (15) and spring (16), and thimble (192) is fixed to be set up under mould component (1), and lower moulding board (15) slide and set up under on mould component (1), are provided with constant head tank (152) that are used for placing blank (110) on lower moulding board (15), spring (16) are fixed to be set up under between moulding board (15) and lower mould component (1), it is equipped with punching press piece (23) to go up mould component (2), and punching press piece (23) are fixed to be set up at last mould component (2), and punching press piece (23) are located thimble (192) directly over, and thimble (192) insert constant head tank (152).

2. The U-groove burr punching jig according to claim 1, wherein: the lower die assembly (1) comprises a lower die base (11) at the bottom, a lower clamping plate (12) is fixedly connected onto the lower die base (11), a downlink limiting column (13) is fixedly connected onto the lower clamping plate (12), guide columns (14) are fixedly arranged at four corners of the lower clamping plate (12), and a lower die plate (15) is connected onto the guide columns (14) in a sliding manner.

3. The U-groove burr punching jig according to claim 2, wherein: the lower clamping plate (12) is provided with a fixing rod (17) in a penetrating mode, the fixing rod (17) is vertical and penetrates through the lower clamping plate (12), a limiting head (171) is arranged at the end portion of the fixing rod (17), a movable hole (111) is formed in the position, corresponding to the fixing rod (17), of the lower die holder (11), the diameter of the movable hole (111) is larger than that of the limiting head (171), the limiting head (171) is located in the movable hole (111), the height of the movable hole (111) is 7mm higher than that of the limiting head (171), a threaded hole (172) is formed in the end portion of the fixing rod (17) relative to the end face of one end of the limiting head (171), an upper limiting column (18) is fixed to the end portion of the fixing rod (17) relative to one end of the limiting head (171) through a threaded bolt, the lower end face of the upper limiting column (18) is abutted to the upper end face of the lower plate die (15), and the upper limiting column (18) is used for limiting the maximum position of the upward movement of the lower.

4. The U-groove burr punching jig according to claim 2, wherein: the spring (16) is sleeved on the guide post (14), and two ends of the spring (16) are respectively abutted against the upper end face of the lower clamping plate (12) and the lower end face of the lower plate die (15).

5. The U-groove burr punching jig according to claim 2, wherein: the front end face of the lower plate die (15) is provided with a blowing hole (151) communicated with the positioning groove (152), the blowing hole is L-shaped, the opening of the front end face of the lower plate die (15) is an air inlet, and the opening of the positioning groove (152) is an air outlet.

6. The U-groove burr punching jig according to claim 2, wherein: the lower clamping plate (12) is provided with a thimble assembly (19), the thimble assembly (19) comprises a thimble (192) and a blocking column (191), the thimble (192) penetrates through the lower clamping plate (12) and a square groove (121) is formed in the lower end face of the position corresponding to the position penetrating through the lower clamping plate (12), the position of the upper end of the thimble (192) is located in the positioning groove (152), the upper end of the thimble (192) is abutted against the lower portion of the blank (110), the lower end face of the thimble (192) is abutted against the lower plate die (15), a transverse through hole (1921) is formed in the lower end of the thimble (192), the blocking column (191) is inserted into the transverse through hole (1921), and the peripheral surface of the blocking column is abutted against the bottom of the square groove (121).

7. The tool for punching the burrs of the U-shaped groove as claimed in claim 6, wherein: the thimble (192) is integrally formed by a circular rod body (1922) and a rectangular rod body (1923) arranged on the side wall of the circular rod body (1922), and the circular rod body (1922) and the rectangular rod body (1923) correspond to the round hole (1102) and the U-shaped groove (1101) of the blank piece (110) respectively.

8. The U-groove burr punching jig according to claim 1, wherein: the upper die component (2) comprises an upper die base (21) and an upper clamping plate (22), the upper die base (21) is fixedly connected to the upper end of the upper clamping plate (22) through bolts, the upper die base (21) and the lower clamping plate (12) are connected to the guide pillar (14) in a sliding mode, the upper die base (21) is driven by a driving device connected with a driving rod (24), a lower clamping plate (12) is fixedly connected with a stamping block (23), the lower end face of the stamping block (23) is abutted to the upper portion of a blank (110), and the upper end face of the stamping block (23) is abutted to the lower end face of the upper die base (21).

9. The U-groove burr punching jig according to claim 8, wherein: the stamping die is characterized in that a groove (231) which is abutted against the upper end of a blank piece (110) is formed in the lower end face of the stamping block (23), the shape of the groove (231) is matched with the shape of the upper portion of the blank piece (110), a square through hole (221) is formed in the center of the lower clamping plate (12), a clamping groove (222) which is clamped with the stamping block (23) is formed in the rear wall of the square through hole (221), a clamping table (232) is arranged on the rear wall of the stamping block (23), and the clamping table (232) is clamped and matched with the clamping.

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