CN213559714U

CN213559714U - Die cavity ejection device of heading machine

Info

Publication number: CN213559714U
Application number: CN202021936368.6U
Authority: CN
Inventors: 李伟勤
Original assignee: Zhejiang Baotuo Machinery Co Ltd
Current assignee: Zhejiang Baotuo Machinery Co Ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-29
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a die cavity ejecting device of machine of taking lead, including the lathe body, locate lathe body one end and be located this internal mould that is used for placing the screw stock of lathe and locate the ejecting device that this internal being used for ejecting screw stock of lathe, ejecting device includes that one end is used for the ejector pin of ejecting screw stock, one end and ejector pin other end butt, with ejector pin other end fixed connection's striker rod. The utility model discloses a matched with strikes the device and strikes the striker, and the striker drives fixed connection's ejector pin and removes, and the ejector pin that the ejector pin drove the butt removes, and the one end that the butt screw stock was not beaten the head is removed to the punch pin for screw stock is beaten the head and can be followed the mould ejecting, reduces the condition that the staff directly takes or indirectly takes and scald, and the machine replaces the manual work, and is very convenient, and has reduced the cost of labor of enterprise.

Description

Die cavity ejection device of heading machine

Technical Field

The utility model belongs to the technical field of screw processing, in particular to die cavity ejecting device of machine of taking lead.

Background

The heading machine belongs to cold heading equipment, has the functions of one-die two-punching products, is mainly used for forming the head of a screw product, and has the working principles of straightening wires, feeding wires, shearing, feeding into a main die, first punching and initial forging, and second punching and forming blanks to withdraw. The work is finished at one time, the yield per minute can reach about 200 grains, the product belongs to a more advanced product in the prior art, and various metal materials can be upset: the material is common steel, carbon steel, stainless steel, copper, aluminum, alloy steel and the like, and has wide application. Stainless steel, alloy steel and other materials may be heated to proper temperature by heater for upsetting, and the heading machine may be used in making common tapping screw, electric appliance screw, miniature screw, inner and outer hexagon bolt, drilling screw, fiber board screw and other products.

The existing heading machine can be used for pushing a front part of a pushing pin during stamping forming to ensure that a material piece is really positioned in a die cavity of a main die to achieve better processing quality, after the heading of a screw blank is finished, the screw blank needs to be taken out of the die, and no device or structure for matching the die to eject the material after the heading of the screw blank is finished exists in the existing heading machine.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a die cavity ejecting device of machine of taking lead that can solve above-mentioned problem.

The utility model provides a die cavity ejecting device of heading machine, includes the lathe body, locates lathe body one end just is located the mould that is used for placing the screw stock in the lathe body and locates be used for ejecting in the lathe body ejecting device of screw stock, ejecting device include one end be used for ejecting the punching pin of screw stock, one end with the ejector pin of punching pin other end butt, with ejector pin other end fixed connection's striking pole.

Further, the lathe body includes the lathe, locates lathe one end with lathe fixed connection's membrane seat and locating membrane seat with backing plate between the lathe, the mould is located in the membrane seat, be equipped with on the membrane seat through the transition cover with membrane seat fixed connection's first mounting, first mounting is worn into in the membrane seat with the mould butt.

Further, the machine tool body further comprises a die cushion block, one end of the die cushion block is located in the die seat, the die cushion block is matched with the die seat and abutted against one end of the die, the other end of the die cushion block is located in the machine tool, the die cushion block is provided with a through hole facing to the die direction, the through hole corresponds to the die cavity of the die, the punching pin is located in the through hole and matched with the die cavity of the die, and the ejector pin and one end part of the abutting end part of the punching pin are located in the through hole.

Further, the machine tool body further comprises a first compression spring which is positioned in the machine tool and wound on the part of the die cushion block positioned in the machine tool, and a second compression spring which is positioned in the machine tool and wound on one end far away from the first compression spring and matched with the striking rod.

Further, ejecting device is still including locating to keep away from membrane seat one end with lathe fixed connection's fixing base, being located the fixing base inside wall with the fixing base cooperate and with striker lateral wall matched with external screw thread double-screw bolt, and with the external screw thread double-screw bolt cooperatees and is used for fixing the nut of external screw thread double-screw bolt, the striker with ejector pin fixed connection one end with the external screw thread double-screw bolt butt.

Further, the die cushion block is fixedly connected with the machine tool through a second fixing piece.

Compared with the prior art, the utility model provides a die cavity ejecting device of machine of taking lead strikes the impact bar through matched with percussion device, the impact bar drives fixed connection's ejector pin and removes, the ejector pin that the ejector pin drove the butt removes, the one end that the butt screw stock was not taken lead is removed to the impact pin, it is ejecting to make screw stock take lead can follow the mould, reduce the condition that the staff directly takes or indirectly takes and scald, the machine replaces manual work, and is very convenient, and the cost of labor of enterprise has been reduced.

Drawings

Fig. 1 is a schematic structural diagram of a die cavity ejection device of a heading machine according to the present invention.

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1, it is a schematic structural diagram of a die cavity ejection device of a heading machine according to the present invention. The utility model provides a die cavity ejecting device of heading machine, includes lathe body 10, locates lathe body 10 one end just is located be used for placing screw stock 40's mould 20 and locating in lathe body 10 be used for ejecting in the lathe body the ejecting device 30 of screw stock 40, ejecting device 30 include one end be used for ejecting towards needle 31 of screw stock 40, one end with the ejector pin 32 of towards the butt of the other end of needle 31, with ejector pin 33 of the other end fixed connection of ejector pin 32.

The working principle is as follows: after screw stock 40 is taken first and is accomplished, strike the impact rod 33 through matched with percussion device, impact rod 33 drives fixed connection's ejector pin 32 and removes, ejector pin 32 drives the towards needle 31 of butt and removes, it removes to dash needle 31 to drive the one end that butt screw stock 40 was not taken first, it can be ejecting from mould 20 for screw stock 40 is taken first, reduce the condition that the staff directly takes or indirectly takes and scald, the machine replaces the manual work, and is very convenient, and the cost of labor of enterprise has been reduced.

The machine tool body 10 comprises a machine tool 11, a film base 12 and a base plate 13, wherein one end of the machine tool 11 is fixedly connected with the machine tool 11, the base plate 13 is arranged between the film base 12 and the machine tool 11, the die 20 is arranged in the film base 12, a first fixing piece 122 is arranged on the film base 12 and fixedly connected with the film base 12 through a transition sleeve 121, and the first fixing piece 122 penetrates into the film base 12 and is abutted to the die 20. Specifically, when the die 20 is used for heading the screw blank 40, the backing plate 13 can effectively protect the machine tool 11 and the film seat 12, and reduce the damage to the machine tool 11 and the film seat 12 caused by pushing the film seat 12 to the machine tool 11 due to excessive impact; and the transition sleeve 121 is matched with the first fixing part 122 to penetrate into the film seat 12 to abut against the upper surface of the die 20, so that the stability of the die 20 is improved, the situation that the screw blank 40 cannot be ejected out of the die 20 normally after the screw blank 40 is headed due to the looseness of the die 20 is prevented, and the stability of the die 20 is greatly improved. It should be noted that the first fixing member 122 is a screw, the transition sleeve 121 is a transition screw sleeve, and the screw is used for fixing.

The machine tool body 10 further comprises a die cushion block 14, one end of the die cushion block 14 is located in the die seat 12, one end of the die cushion block is abutted to one end of the die 20, the other end of the die cushion block is located in the machine tool 11, the die cushion block 14 faces the die 20, the die cushion block 14 corresponds to the die cavity of the die 20, the punch pin 31 is located in the die cushion block 14 and is matched with the die cavity of the die 20, and the ejector pin 32 is partially located in the die cushion block 14 at one end abutted to the punch pin 31. Specifically, the die cushion block 14 can effectively protect the die 20 and the machine tool 11, and reduce the impact generated in the heading process of the screw blank 40 to push the die 20 to the machine tool 11 and damage the die 20 and the machine tool 11; the die cushion block 14 is matched with the punching needle 31 and the stripping rod 32, so that the punching needle 31 can be effectively pushed into the die 20 to eject the headed screw blank 40, and the operation is very convenient and rapid.

The machine tool body 10 further comprises a first compression spring 15 which is positioned in the machine tool 11 and wound on the part of the die cushion block 14 positioned in the machine tool 11, and a second compression spring 16 which is positioned in the machine tool 11 and wound on one end far away from the first compression spring 15 and matched with the striker rod 33. By the design, the impact rod 33, the ejector pin 32 and the punch pin 31 of the ejection device 30 can be effectively ensured to reset through the reverse force of the springs after the impact rod 33, the ejector pin 32 and the punch pin 31 of the ejection device 30 are ejected in sequence, so that the latter screw blank 40 with the head ejected is ejected, convenience is greatly improved, manual resetting is not needed, and the manual resetting cost is reduced.

The ejection device 30 further comprises a fixing seat 34 which is arranged at one end of the film seat 12 and fixedly connected with the machine tool 11, and a nut 36 which is positioned on the inner side wall of the fixing seat 34, matched with an external thread stud 35 on the outer side wall of the impact rod 33 and matched with the external thread stud 35 to be used for fixing the external thread stud 35, wherein the impact rod 33 is fixedly connected with one end of the stripping rod 32 and is abutted to the external thread stud 35. Specifically, when the length of the screw blank 40 needs to be changed in length, the external thread stud 35 can be moved to one end of the die 20 by unscrewing the nut 36, and after the external thread stud reaches a specified position, the external thread stud is fixedly connected with the nut 36, so that the distance between one end of the punch pin 31, which is close to the die 20, and one end of the screw blank 40 can be adjusted, and the convenience of the ejection device 30 is greatly improved.

The die pad 14 is fixedly connected to the machine tool 11 via a second fixing member 131. Effectively increasing the structural stability between the die cushion block 14 and the machine tool 11 and improving the protection of the film seat 12 and the machine tool 11.

Compared with the prior art, the utility model provides a die cavity ejecting device of machine of taking lead strikes impact bar 33 through matched with percussion device, impact bar 33 drives fixed connection's ejector pin 32 and removes, ejector pin 32 drives the towards needle 31 of butt and removes, towards needle 31 and drive the one end that butt screw stock 40 was not taken lead and remove, it can be ejecting from mould 20 to make screw stock 40 take lead, reduce the condition that the staff directly takes or indirectly takes and scald, the machine replaces the manual work, therefore, the machine is very convenient, and the cost of labor of enterprise has been reduced.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims

1. The utility model provides a die cavity ejecting device of machine of taking lead which characterized in that: the die cavity ejection device of the heading machine comprises a machine tool body, a die and an ejection device, wherein one end of the machine tool body is arranged on the die and is used for placing a screw blank, the ejection device is arranged in the machine tool body and is used for ejecting the screw blank, and the ejection device comprises a punching pin, an ejector rod and an impact rod, one end of the punching pin is used for ejecting the screw blank, the ejector rod is abutted against the other end of the punching pin, and the impact rod is fixedly connected with the other end of the ejector rod.

2. The die cavity ejection device of a heading machine as claimed in claim 1, wherein: the machine tool body comprises a machine tool, a film seat and a base plate, wherein one end of the machine tool is fixedly connected with the machine tool, the base plate is arranged between the film seat and the machine tool, the die is arranged in the film seat, a first fixing piece is arranged on the film seat and fixedly connected with the film seat through a transition sleeve, and the first fixing piece penetrates into the film seat and is abutted to the die.

3. The die cavity ejection device of a heading machine as claimed in claim 2, wherein: the machine tool body further comprises a die cushion block, one end of the die cushion block is located in the die seat, the die cushion block is matched with the die seat and is abutted against one end of the die, the other end of the die cushion block is located in the machine tool, the die cushion block is provided with a through hole facing the die direction, the through hole is corresponding to the die cavity of the die, the punching pin is located in the through hole and is matched with the die cavity of the die, and the ejector pin is partially located at one end of the abutting end of the punching pin in the through hole.

4. A die cavity ejection apparatus for a heading machine as claimed in claim 3, wherein: the machine tool body further comprises a first compression spring which is positioned in the machine tool and wound on the part of the die cushion block positioned in the machine tool, and a second compression spring which is positioned in the machine tool and wound on one end of the first compression spring far away from the first compression spring and matched with the impact rod.

5. The die cavity ejection device of a heading machine as claimed in claim 4, wherein: the ejecting device is characterized in that the ejecting device is further arranged on the fixed seat and is far away from one end of the film seat and fixedly connected with the machine tool, the fixed seat inner side wall is matched with the fixed seat and is fixed with the external thread stud matched with the outer side wall of the impact rod, the external thread stud is matched with the nut for fixing the external thread stud, and the impact rod is fixedly connected with one end of the stripping rod and is abutted to the external thread stud.

6. The die cavity ejection device of a heading machine as claimed in claim 5, wherein: and the die cushion block is fixedly connected with the machine tool through a second fixing piece.