CN117862324B - Die casting punching equipment - Google Patents

Abstract

The invention relates to the technical field of casting punching, and particularly discloses die casting punching equipment, wherein a punching component for die casting and a positioning component for die casting position fixing are arranged on a frame; after the die casting is punched, the position of the punched hole can be smoother and smoother, and subsequent assembly and processing are facilitated.

Description

Die casting punching equipment

Technical Field

The invention relates to the technical field of casting punching, in particular to die casting punching equipment.

Background

The die casting is a part for die casting, which is to cast and mold the copper, zinc, aluminum or aluminum alloy part with the shape and size limited by the die casting die by using a die casting machine which is provided with a casting die, pouring the copper, zinc, aluminum or aluminum alloy and other metals which are heated to be liquid into a feed port of the die casting machine, and die casting the copper, zinc, aluminum or aluminum alloy part by the die casting machine. For die castings with thinner wall thickness such as power supply casting shells, when punching the die castings by using punching equipment, downward depressions are usually generated at punching positions, and obvious burrs are also often generated at positions of punching holes, so that the subsequent assembly and processing are not facilitated.

Disclosure of Invention

The invention provides die-casting punching equipment, and aims to solve the problems that after punching operation is carried out on die-casting in the related art, downward pits and burrs exist at the position of a punching hole, and follow-up assembly and processing are not facilitated.

The utility model provides a die-casting die-cutting equipment, includes frame, backup pad, rotation piece, supporting component, strickle piece, strike off subassembly and actuating component, be equipped with the punching component that is used for the die-casting in the frame and be used for die-casting fixed locating component in position, the backup pad is located the frame is used for placing the die-casting, set up the first through-hole that link up from top to bottom in the backup pad, the rotation piece rotates and installs first through-hole department and be located under the punching component, the center department of rotation piece is equipped with the hole that gathers materials, the supporting component includes a plurality of supporting pieces, a plurality of supporting pieces are in the upper portion of rotation piece is followed the circumference in hole that gathers materials is arranged, the upper surface of supporting piece with the upper surface parallel and level of backup pad, the supporting piece is V type or arc structure, the one end of supporting piece is equipped with the inserted bar, the inserted bar activity is pegged graft adjacent in the inserted bar in the slot, so that a plurality of supporting pieces can be followed gather materials the radial simultaneous movement in hole, the inboard of supporting piece still has the bulge portion, the bulge has the side to strike off piece and can locate the die-cutting piece when the side is scraped the side and can be located the die-cutting piece and the side is scraped down.

Preferably, the rotating member is provided with a plurality of slots, the slots are arranged along the circumferential direction of the collecting hole, and the supporting members are correspondingly inserted at the slots in a one-to-one matching manner, so that the supporting members can move along the radial direction of the collecting hole.

Preferably, a holding groove is formed in one side of the upper portion of the protruding portion, the scraping piece is movably inserted into the holding groove, and a first elastic piece for elastically pushing the scraping piece upwards is arranged in the holding groove.

Preferably, the mounting groove is formed in the protruding portion, the scraping assembly comprises a telescopic piece, a mounting block, a positioning column, a plurality of scraping pieces, a second elastic piece and a third elastic piece, the telescopic piece is rotatably mounted in the mounting groove and can stretch out and draw back in the vertical direction, a cavity is formed in the telescopic piece, the mounting block is movably matched with the mounting groove and fixedly connected with the upper end of the telescopic piece, a second through hole penetrating up and down is formed in the center of the mounting block, a plurality of first through grooves are formed in the periphery of the mounting block, the first through grooves are communicated with the second through holes, the positioning column is movably matched in the second through holes, the scraping pieces are connected with the positioning column through connecting rods, two ends of the connecting rods are hinged to the scraping pieces and the positioning column respectively, the second elastic piece is arranged in the cavity and can be fixedly connected with the upper end of the telescopic piece, the mounting block is provided with a second through hole, the first through hole is formed in the center of the mounting block, the first through hole is communicated with the second through hole, the first through hole is movably matched with the second through hole, the positioning column is movably matched with the first through hole, and the second through hole is arranged on the second through hole, and the second through hole is arranged on the top surface of the positioning column.

Preferably, a collecting groove is further formed in the upper portion of the protruding portion, and is used for collecting materials scraped by the scraping piece.

Preferably, the driving assembly comprises a motor, and an output end of the motor is connected with the rotating member through a first transmission belt.

Preferably, the support plate is further provided with a telescopic driving member, and a telescopic end of the telescopic driving member is connected with one of the support members.

Preferably, the punching device further comprises a plurality of arc racks, the arc racks are arranged on the outer sides of the supporting pieces in a one-to-one correspondence mode, the arc racks can slide along the radial direction of the collecting holes, an overlapping portion is arranged between every two adjacent arc racks, the two adjacent arc racks are arranged in a vertically staggered mode, a gear is installed on the inner side of each arc rack in a rotating mode, the gear is meshed with the arc racks, a rotating shaft is fixedly arranged on the gear in a coaxial mode, the rotating shaft is connected with the corresponding telescopic piece through a second transmission belt, and a second through groove for the second transmission belt to penetrate is formed in the supporting piece.

Preferably, an elastic telescopic block is arranged on the outer side of each arc-shaped rack, and the elastic telescopic blocks can elastically push the arc-shaped racks towards the inner side direction.

By adopting the technical scheme, the invention has the beneficial effects that: after placing the backup pad with the die-casting, can control a plurality of bulge on a plurality of support pieces and stop respectively and wait to punch a hole the outside edge of position lower part on the die-casting, can provide better support in die-cut position, so that when punching a hole, the deformation range of die-cut position department is littleer, after accomplishing to punch a hole, can utilize to strickle the piece of strickling to die-cut hole department undercut's part and strickling, can utilize to strike off the subassembly simultaneously with the inboard burr of die-cut hole and unnecessary material to strike off, thereby make and utilize this die-cut equipment to punch a hole the back to the die-casting, can make die-cut hole department smoother and more level, the subsequent assembly processing of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the die casting of the present invention placed on a support plate.

Fig. 3 is a schematic view of the structure of the lower portion of the support plate of the present invention.

Fig. 4 is a schematic view of the installation structure of the rotating member of the present invention.

Fig. 5 is a schematic cross-sectional structure of fig. 4.

Fig. 6 is an enlarged schematic view of the structure at a in fig. 5.

Fig. 7 is a schematic structural view of a rotating member according to the present invention.

Fig. 8 is a schematic view of the mounting structure of the mounting block of the present invention.

Fig. 9 is a schematic structural view of the support member of the present invention.

Fig. 10 is a schematic structural view of the mounting block of the present invention.

Fig. 11 is a schematic view of the installation structure of the second elastic member and the third elastic member of the present invention.

Reference numerals:

1. A frame; 11. a punching assembly; 12. a positioning assembly; 2.a die casting;

3. A support plate; 31. a first belt; 32. a telescopic driving member;

4. a rotating member; 41. a collection hole; 42. a slot hole;

5. a support; 51. a rod; 52. a slot; 53. a protruding portion; 531. a receiving groove; 532. a mounting groove; 533. a collection tank; 54. a vertical rod; 55. a second through slot; 6. a strickle;

71. A telescoping member; 711. a first sleeve; 712. a second sleeve; 72. a mounting block; 721. a second through hole; 722. a first through groove; 73. positioning columns; 74. a scraper; 75. a connecting rod; 76. a second elastic member; 77. a third elastic member;

81. An arc-shaped rack; 82. a gear; 83. a rotating shaft; 84. a second belt; 85. and an elastic telescopic block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

As shown in fig. 1 to 11, the die-casting punching device according to the embodiment of the invention comprises a frame 1, a support plate 3, a rotating member 4, a support assembly, a scraping member 6, a scraping assembly and a driving assembly, wherein the frame 1 is provided with a punching assembly 11 for die-casting 2 and a positioning assembly 12 for fixing the position of the die-casting 2, the support plate 3 is arranged on the frame 1 and is used for placing the die-casting 2, and the support plate 3 is provided with a first through hole which penetrates up and down.

Specifically, the support plate 3 is fixedly installed on the frame 1 and is located below the punching assembly 11 and the positioning assembly 12, the punching assembly 11 may include a punch and a hydraulic cylinder for driving the punch to lift, the positioning assembly 12 may include a positioning member and a hydraulic cylinder for driving the positioning member to lift, after the die casting 2 is placed on the support plate 3, the positioning assembly 12 and the punching assembly 11 are controlled respectively, and the die casting 2 may be fixed in position and punched.

The positioning components 12 can be multiple, and the positioning pieces in the positioning components 12 can be controlled to be stopped at the upper part of the die casting 2 and the side edge of the die casting 2 respectively, so that the position of the die casting 2 is fixed.

As shown in fig. 1, 3 and 4, the rotary member 4 is rotatably installed at the first through hole just below the punching assembly 11, and a collecting hole 41 is provided at the center of the rotary member 4. Specifically, the outer peripheral surface of the rotating member 4 may be a circumferential surface, an annular member may be disposed on the outer peripheral surface of the rotating member 4, an annular groove may be disposed on the inner peripheral surface of the first through hole, and the rotating member 4 may be rotatably fitted in the annular groove through the annular member, so as to realize rotational connection between the rotating member 4 and the supporting plate 3, the collecting hole 41 is located under the punch, and when the punching assembly 11 punches the die casting 2, punched materials may enter the collecting hole 41 to collect the punched materials.

As shown in fig. 4 and 9, the support assembly includes a plurality of support members 5, the plurality of support members 5 are arranged on the upper portion of the rotating member 4 along the circumference of the collecting hole 41, the upper surface of the support member 5 is flush with the upper surface of the support plate 3, the support members 5 are in a V-shaped or arc-shaped structure, one end of each support member 5 is provided with an inserting rod 51, the other end is provided with an inserting groove 52, and the inserting rods 51 are movably inserted into the inserting grooves 52 of the adjacent support members 5, so that the plurality of support members 5 can move along the radial direction of the collecting hole 41 at the same time.

Specifically, the support 5 is movably mounted on the upper portion of the rotating member 4, and the plurality of support 5 are uniformly distributed on the outer peripheral side of the collecting hole 41 in an annular shape, the support 5 can slide along the radial direction of the collecting hole 41, the support 5 is in a V-shaped structure, two adjacent support 5 are movably inserted through the inserting rod 51 and the inserting groove 52, the inserting rod 51 can slide along the length direction of the inserting rod 51 in the inserting groove 52, and accordingly, when one support 5 moves inwards or outwards along the radial direction of the collecting hole 41, the rest of support 5 can be driven to synchronously move inwards or outwards.

It will be appreciated that in other embodiments, the support 5 may be of arcuate configuration.

As shown in fig. 1,4 and 8, the inner side of the supporting member 5 further has a protruding portion 53, the scraping member 6 is disposed on one side of the protruding portion 53, and when rotating with the supporting member 5, the scraping member can scrape the lower side edge of the die-cut hole on the die-cast member 2, the scraping member is disposed on the protruding portion 53, and can scrape the surplus portion of the die-cut hole on the die-cast member 2 after the lower side of the die-cut hole is scraped, and the driving member is disposed on the supporting plate 3, and can drive the rotating member 4 to rotate.

Specifically, when leveling and cutting the lower side of the punched hole on the die casting 2, it is first necessary to control the rotation of the rotation member 4, the support member 5 can be rotated synchronously with the rotation member 4, and the leveling member 6 can be disposed on the side toward the rotation direction at the upper portion of the projection 53, so that the leveling member 6 performs leveling work on the die casting 2 earlier than the leveling member.

Wherein the strikers 6 have a certain length and are located right under the edges of the die-cut holes in the die-cast piece 2 so as to be in contact with the downwardly concave portions at the die-cut holes.

When the die-casting 2 is punched by the punching equipment, after the die-casting 2 is placed on the supporting plate 3, the plurality of supporting pieces 5 are firstly controlled to move towards the inner side direction, so that the plurality of protruding parts 53 on the plurality of supporting pieces 5 are respectively stopped at the outer side edge of the lower part of the position to be punched on the die-casting 2, better support can be provided at the punching position, so that the deformation amplitude of the punching position is smaller when the die-casting is punched, the subsequent processing of the deformation position is facilitated, and then after the die-casting 2 is fixed by the positioning assembly 12, the punching assembly 11 can be controlled to punch the die-casting 2.

Wherein, set up a plurality of support pieces 5 into the structure that can follow the radial movement of hole 41 gathers materials, can carry out the adaptability adjustment according to the size of target hole when carrying out die-cut, the supporting effect is better, and application scope is more extensive.

After punching is completed, the driving assembly controls the rotating piece 4 to rotate, and the supporting pieces 5 can be driven to synchronously rotate, in the process, the scraping piece 6 can scrape the downward sunken part of the punching hole, redundant materials and burrs can exist at the lower part of the inner side of the punching hole after scraping, and the scraping assembly can scrape the burrs and redundant materials at the inner side of the punching hole.

As shown in fig. 3, the driving assembly includes a motor (not shown in the drawing), and an output end of the motor is connected with the rotating member 4 through a first transmission belt 31, so as to control the motor to operate, i.e. drive the rotating member 4 to rotate.

In some embodiments, as shown in fig. 3, 4, 7 and 9, the rotating member 4 is provided with a plurality of slots 42, the plurality of slots 42 are arranged along the circumference of the collecting hole 41, and the plurality of supporting members 5 are inserted into the plurality of slots 42 in a one-to-one corresponding manner, so that the supporting members 5 can move along the radial direction of the collecting hole 41. Specifically, the slot hole 42 may vertically penetrate the rotating member 4, the length direction of the slot hole 42 extends along the radial direction of the collecting hole 41, the lower portion of the supporting member 5 may be provided with a vertical rod 54, the plurality of vertical rods 54 are movably penetrated through the plurality of slot holes 42 in a one-to-one correspondence manner, the telescopic driving member 32 may be disposed at the first through hole and located at the lower portion of the rotating member 4, and the telescopic driving member 32 may be an air cylinder or an electric push rod, and two ends of the telescopic driving member 32 are respectively fixedly connected with the supporting plate 3 and one of the vertical rods 54, so that when the telescopic driving member 32 extends, the supporting member 5 connected with the telescopic driving member can be driven to move in the inner side direction, and then the plurality of supporting members 5 can be driven to move simultaneously.

As shown in fig. 2 and 8, a receiving groove 531 is formed in one side of the upper portion of the protruding portion 53, the strickle member 6 is movably inserted into the receiving groove 531, the strickle member 6 can move up and down at the receiving groove 531, a first elastic member (not shown in the drawing) for elastically pushing the strickle member 6 upward is provided in the receiving groove 531, and the upper and lower ends of the first elastic member are fixedly connected with the strickle member 6 and the bottom of the receiving groove 531, respectively, so that after the die casting 2 is fixed on the support plate 3, the strickle member 6 is pushed down by the elastic pushing of the first elastic member, the depression on the lower side of the die-cut hole can be continuously maintained, and when the strickle member 6 rotates with the support member 5, the depression on the lower side of the die-cut hole can be strickle.

The first elastic member may be a telescopic rod with a spring therein, and the telescopic rod may be telescopic in an up-down direction, and under the action of the spring, the scraping member 6 may be elastically pushed upward.

In some embodiments, as shown in fig. 4 to 6 and fig. 8 to 11, the protruding portion 53 is provided with a mounting groove 532, the scraping assembly includes a telescopic member 71, a mounting block 72, a positioning column 73, a plurality of scraping members 74, a second elastic member 76 and a third elastic member 77, the telescopic member 71 is rotatably mounted in the mounting groove 532 and can stretch in the vertical direction, a cavity is formed in the telescopic member 71, the mounting block 72 is movably matched at the mounting groove 532 and fixedly connected with the upper end of the telescopic member 71, a second through hole 721 penetrating up and down is formed in the center of the mounting block 72, a plurality of first through grooves 722 are formed in the periphery of the mounting block 72, the plurality of first through grooves 722 are all communicated with the second through holes 721, and the positioning column 73 is movably matched in the second through holes 721.

Specifically, the telescopic member 71 includes a first sleeve 711 and a second sleeve 712, the first sleeve 711 is rotatably mounted at the bottom of the mounting groove 532, the second sleeve 712 is movably inserted into the first sleeve 711 from the upper end of the first sleeve 711, so that the telescopic member 71 can extend in the up-down direction, a vertical sliding groove can be formed in the inner wall of the first sleeve 711, a sliding rod slidably connected with the sliding groove is disposed on the outer side wall of the second sleeve 712, so that the first sleeve 711 and the second sleeve 712 can synchronously rotate, the mounting block 72 can be in a cylindrical structure, the bottom end of the mounting block 72 is fixedly connected with the upper end of the second sleeve 712, so that the mounting block 72 and the telescopic member 71 can synchronously rotate, a plurality of first through grooves 722 can be uniformly distributed along the circumferential direction of the mounting block 72, and the positioning column 73 can slide up-down relative to the mounting block 72 in the second through hole 721.

As shown in fig. 4 to 6 and fig. 8 to 11, the plurality of scraping members 74 are movably fitted in the plurality of first through grooves 722 in a one-to-one correspondence manner, the scraping members 74 can slide along the radial direction of the mounting block 72 in the first through grooves 722, the scraping members 74 are connected with the positioning posts 73 through the connecting rods 75, the connecting rods 75 are obliquely arranged, and two ends of the connecting rods 75 are respectively hinged with the scraping members 74 and the positioning posts 73, so that when the positioning posts 73 move up and down relative to the mounting block 72, the scraping members 74 can be driven to move along the radial direction of the mounting block 72 through the connecting rods 75.

In addition, the outer end of the scraping member 74 has a blade which is vertical so as to scrape burrs and surplus material on the die-cast 2 inside the punched hole.

As shown in fig. 4 to 6 and 8 to 11, the second elastic member 76 is disposed in the cavity, the upper and lower ends of the second elastic member are respectively connected with the mounting block 72 and the supporting member 5, so as to be capable of elastically pushing the mounting block 72 upward, the third elastic member 77 is disposed in the cavity, the upper and lower ends of the third elastic member 77 are respectively connected with the positioning column 73 and the supporting member 5, so as to be capable of elastically pushing the positioning column 73 upward, the pushing force of the second elastic member 76 applied to the mounting block 72 is greater than the pushing force of the third elastic member 77 applied to the positioning column 73, when the positioning column 73 and the mounting block 72 are not subjected to downward force, the upper end of the positioning column 73 is located above the upper surface of the mounting block 72, and the scraping member 74 is located above the supporting member 5 and protrudes from the outer circumferential surface of the mounting block 72, wherein the second elastic member 76 and the third elastic member 77 are springs.

When placing die casting 2 on backup pad 3 and fixing, die casting 2 can at first push down reference column 73, reference column 73 moves down, can drive the scraping element 74 through connecting rod 75 and move to the inboard, when the upper end of reference column 73 and the upper end parallel and level of installation piece 72, the outside end of scraping element 74 can shrink into first through groove 722, die casting 2 can push down installation piece 72 next, make installation piece 72 move down, until the upper surface of installation piece 72 and the upper surface parallel and level of backup pad 3, in-process above-mentioned, second elastic component 76 and third elastic component 77 all can be compressed, then when controlling a plurality of support pieces 5 to the inboard removal, in the time of supporting the lower side edge of die-cut hole, installation piece 72 can move to the within range of die-cut hole, at this moment under the elastic pushing down of second elastic component 76 and third elastic component 77, installation piece 72 and reference column 73 all can upwards move and resume to not receive the downward effort state, the outside cutting edge end of scraping element 74 can be located the upper portion of support piece 5, and the outside cutting edge end of scraping element 74 can bulge in installation piece 72 and the upper portion of die-cut piece 72 can rotate the side edge of die-cut piece 72, and the inside edge of die-cut piece 74 can rotate to the die-cut part of the die-cut piece 72 can rotate to the die-cut part of the die-cut hole and the die-cut piece 4 when setting up edge of die-cut hole can rotate to the die-cut piece is rotated to the die-cut piece is moved to the die-cut hole and the die-cut piece is rotated to the die-cut piece is located down.

In some embodiments, as shown in fig. 8, the upper portion of the projection 53 is further provided with a collection groove 533 for collecting the material scraped off by the scraper 74. Specifically, the collecting groove 533 is provided at one side of the upper portion of the projection 53 toward the rotation direction of the mounting block 72, so that the scraped material can be pushed into the collecting groove 533 for collection while the scraper 74 rotates to scrape off the excessive material and burrs at the lower portion inside the die-cut hole.

As shown in fig. 4, fig. 5, fig. 6 and fig. 8, the punching device further comprises a plurality of arc racks 81, the arc racks 81 are arranged on the outer sides of the supporting pieces 5 in a one-to-one correspondence manner, the arc racks 81 can slide along the radial direction of the material collecting holes 41, an overlapping portion is arranged between two adjacent arc racks 81, the two adjacent arc racks 81 are arranged in a vertically staggered manner, a gear 82 is rotatably arranged on the inner side of the arc racks 81, the gear 82 is rotatably arranged on the upper portion of the supporting piece 5, the gear 82 is meshed with the arc racks 81, a rotating shaft 83 is fixedly arranged on the gear 82 in a coaxial manner, the rotating shaft 83 is connected with a telescopic piece 71 at a corresponding position through a second transmission belt 84, and a second through groove 55 for the second transmission belt 84 to penetrate is formed in the supporting piece 5.

When the control rotating member 4 rotates, the gear 82 can synchronously rotate along with the rotating member 4, and because the gear 82 is meshed with the arc-shaped rack 81, the gear 82 can be driven to rotate relative to the supporting member 5, the rotating shaft 83 can synchronously rotate with the gear 82, and under the action of the second driving belt 84, the telescopic member 71 can be driven to rotate, so that the scraping member 74 can rotate relative to the supporting member 5, and accordingly when the control rotating member 4 rotates, the downward sunken part of the punching hole can be scraped through the scraping member 6, and meanwhile, redundant materials and burrs at the lower part inside the punching hole can be scraped through the scraping member 74.

Wherein, set up to have the overlap portion between two adjacent arc racks 81 for when rotating the piece 4, can guarantee that the sum of the angle that a plurality of strickles 6 rotated is greater than 360, so that can carry out abundant processing to die-cut hole.

As shown in fig. 4, an elastic expansion block 85 is disposed on the outer side of each arc-shaped rack 81, and the elastic expansion blocks 85 can elastically push the arc-shaped racks 81 in the inward direction. Specifically, the elastic telescopic block 85 is internally provided with a spring and can stretch in the radial direction of the material collecting hole 41, two ends of the elastic telescopic block 85 are fixedly connected with the arc-shaped rack 81 and the support plate 3 respectively, so that the arc-shaped rack 81 can be meshed with the gear 82, and meanwhile, the arc-shaped rack 81 can only slide in the radial direction of the material collecting hole 41.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (7)

1. Die-casting die-cutting equipment, characterized by, include:

the machine frame (1), the machine frame (1) is provided with a punching assembly (11) and a positioning assembly (12);

the support plate (3) is arranged on the frame (1) and used for placing the die casting (2), and a first through hole which penetrates up and down is formed in the support plate (3);

The rotating piece (4) is rotatably arranged at the first through hole and is positioned right below the punching assembly (11), and a collecting hole (41) is formed in the center of the rotating piece (4);

The support assembly comprises a plurality of support pieces (5), the support pieces (5) are arranged on the upper parts of the rotating pieces (4) along the circumferential direction of the collecting holes (41), the upper surfaces of the support pieces (5) are flush with the upper surfaces of the support plates (3), the support pieces (5) are of V-shaped or arc-shaped structures, inserting rods (51) are arranged at one ends of the support pieces (5), inserting grooves (52) are formed in the other ends of the support pieces (5), the inserting rods (51) are movably inserted into the inserting grooves (52) of the adjacent support pieces (5), so that the support pieces (5) can move along the radial direction of the collecting holes (41) simultaneously, and protruding parts (53) are formed in the inner sides of the support pieces (5);

The scraping piece (6) is arranged on one side of the protruding part (53) and can scrape the lower side edge of the punching hole on the die casting (2) when rotating along with the supporting piece (5);

The scraping component is arranged on the protruding part (53) and can scrape the redundant part of the lower side of the punching hole on the die casting (2) after being scraped;

the driving assembly is arranged on the supporting plate (3) and can drive the rotating piece (4) to rotate;

one side of the upper part of the protruding part (53) is provided with a containing groove (531), the strickling part (6) is movably inserted into the containing groove (531), and a first elastic part for elastically pushing the strickling part (6) upwards is arranged in the containing groove (531);

The projection (53) is provided with a mounting groove (532), and the scraping assembly comprises:

a telescopic member (71), wherein the telescopic member (71) is rotatably installed in the installation groove (532) and can be telescopic in the up-down direction, and a cavity is formed in the telescopic member (71);

The mounting block (72) is movably matched with the mounting groove (532) and fixedly connected with the upper end of the telescopic piece (71), a second through hole (721) which is vertically communicated is formed in the center of the mounting block (72), a plurality of first through grooves (722) are formed in the periphery of the mounting block (72), and the plurality of first through grooves (722) are communicated with the second through holes (721);

-a positioning post (73), said positioning post (73) being movably fitted in said second through hole (721);

the scraping pieces (74) are in one-to-one corresponding movable fit in the first through grooves (722), the scraping pieces (74) are connected with the positioning columns (73) through connecting rods (75), and two ends of each connecting rod (75) are hinged with the corresponding scraping piece (74) and the corresponding positioning column (73);

The second elastic piece (76) is arranged in the cavity, and can elastically push the mounting block (72) upwards;

The third elastic piece (77), the third elastic piece (77) is located the cavity, and can upwards elasticity top the reference column (73), the second elastic piece (76) apply in the jacking force of installation piece (72) is greater than third elastic piece (77) apply in the jacking force of reference column (73), when reference column (73) with installation piece (72) do not receive decurrent effort, the upper end of reference column (73) is located the top of installation piece (72) upper surface, strike off piece (74) are located the top of support piece (5) and protrusion in the outer peripheral face of installation piece (72).

2. Die-casting punching equipment according to claim 1, characterized in that the rotating member (4) is provided with a plurality of slots (42), the slots (42) are arranged along the circumference of the collecting hole (41), and the supporting members (5) are inserted in the slots (42) in a one-to-one corresponding manner, so that the supporting members (5) can move along the radial direction of the collecting hole (41).

3. Die casting die cutting apparatus according to claim 1, wherein the upper part of the projection (53) is further provided with a collecting groove (533) for collecting the scraped material of the scraper (74).

4. Die-cast product punching apparatus according to claim 1, characterized in that the drive assembly comprises a motor, the output of which is connected to the rotating member (4) by means of a first drive belt (31).

5. Die-casting punching equipment according to claim 2, characterized in that the support plate (3) is further provided with a telescopic drive member (32), the telescopic end of the telescopic drive member (32) being connected to one of the support members (5).

6. The die-casting punching equipment according to claim 1, further comprising a plurality of arc racks (81), wherein the arc racks (81) are arranged on the outer sides of the supporting pieces (5) in a one-to-one correspondence manner, the arc racks (81) can slide along the radial direction of the collecting holes (41), an overlapping portion is arranged between every two adjacent arc racks (81), the two adjacent arc racks (81) are arranged in a vertically staggered manner, a gear (82) is rotatably arranged on the inner side of each arc rack (81), the gear (82) is meshed with each arc rack (81), a rotating shaft (83) is fixedly arranged on each gear (82) in a coaxial manner, the rotating shaft (83) is connected with the corresponding telescopic piece (71) through a second transmission belt (84), and a second through groove (55) for the second transmission belt (84) to penetrate through is formed in the supporting piece (5).

7. Die-casting punching equipment according to claim 6, characterized in that the outer side of each arc-shaped rack (81) is provided with an elastic telescopic block (85), and the elastic telescopic blocks (85) can elastically push the arc-shaped racks (81) towards the inner side.