CN210848156U

CN210848156U - Safety punch for forging press

Info

Publication number: CN210848156U
Application number: CN201921713806.XU
Authority: CN
Inventors: 顾炳华
Original assignee: Zhenjiang Longsheng Tool Co ltd
Current assignee: Zhenjiang Longsheng Tool Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-06-26
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a forging press is with insurance drift, screw tap handle processing equipment technical field that contracts. The utility model comprises a punch body and a punch shell, wherein the punch body comprises a rod body and a rod head, and a contraction section is connected between the rod body and the rod head; a first bulge is arranged on the outer side of the punch shell, two through holes are symmetrically arranged on two sides of the punch shell above the first bulge, and each through hole is a rectangular hole; the rod body is provided with a pin hole, and a pin rod is inserted in the pin hole and is a rectangular rod; the pin hole is a rectangular hole; the middle part of the pin rod is provided with a matching section matched with the pin hole, and one end part of the pin rod is provided with a limiting lug; the side of the punch shell body positioned above the through hole is provided with a fixed outer edge, and the two fixed outer edges are in threaded connection with fastening screws. The utility model discloses a safety action of pin pole prevents to lead to the drift to damage or the impaired condition of complete machine because of the drift bears the pressure of overload.

Description

Safety punch for forging press

Technical Field

The utility model belongs to the technical field of the handle processing equipment that contracts of screw tap especially relates to a forging press is with insurance drift.

Background

The tap is a tool for processing internal threads and can be divided into a spiral tap and a straight-edge tap according to the shape, and the handle of the tap is formed by forging and reducing through a forging press and is called a reducing handle; the punch is a metal part on a stamping die in a mechanical tool, is called a stamping rod, a stamping needle or a punch, and is arranged on the stamping die to perform continuous blanking, stamping and breaking operation when in use, so that the processed material is separated or plastically deformed, and a required finished product or a semi-finished product is obtained. In the forging press for processing the screw tap shrinkage shank in the prior art, a punch on the forging press can bear overload pressure due to the hardness of the inside of forging and pressing or other fault reasons, and the punch is damaged or the whole machine is damaged along with the continuous operation of the machine, so that great economic loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a forging press is with insurance drift, the drift bearing capacity is strong, has the effect of insurance simultaneously, prevents to lead to the drift to damage or the impaired condition of complete machine because of the drift bears the pressure of overload.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a safety punch for a forging press, which comprises a punch body and a punch shell, wherein the punch body comprises a rod body and a rod head, and a contraction section is connected between the rod body and the rod head; a first bulge is arranged on the outer side of the punch shell, two through holes are symmetrically formed in two sides of the punch shell above the first bulge, and each through hole is a rectangular hole; the rod body is provided with a pin hole, a pin rod is inserted in the pin hole, and the pin rod is a rectangular rod; the pin hole is a rectangular hole; the middle part of the pin rod is provided with a matching section matched with the pin hole, and one end part of the pin rod is provided with a limiting lug; and the side of the punch shell body above the through hole is provided with a fixed outer edge, and the two fixed outer edges are in threaded connection with fastening screws.

Further, the rod body, the contraction section and the rod head are integrally formed.

Further, the end of the punch housing is provided with a constriction.

Furthermore, a groove is formed in the end portion of the rod head, a second protrusion is arranged in the groove, and the second protrusion is of a circular truncated cone-shaped structure.

Furthermore, the end part of the fastening screw rod is provided with a spherical protrusion, and one surface of the pin rod is provided with a spherical groove matched with the spherical protrusion.

Furthermore, a guide sliding strip is arranged on the inner side wall of the punch shell, and a guide groove matched with the guide sliding strip in a guide mode is formed in the outer wall of the rod body.

Further, the radius ratio of the rod body to the rod head is (1-2): 1.

further, the length of the contraction section is 1-2 times of the diameter of the rod body.

The utility model discloses following beneficial effect has:

the utility model discloses a drift casing is installed on the forging press that the handle was contracted to the screw tap, and the drift body contracts the handle to the screw tap and plays continuous punching press effect, and when forging press inside has the handle hardness that contracts too big or trouble problem, the drift body bears the pressure of overload, and the pin rod that the body of rod of drift body was broken this moment makes the drift body ejecting to the upper portion, plays the guard action, prevents along with the machine operation in succession, leads to drift to damage or the complete machine is impaired to cause great economic loss.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

fig. 4 is a partially enlarged view of fig. 1 at C.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention relates to a safety punch for forging press, comprising a punch body and a punch housing 4, wherein the punch body comprises a rod body 5 and a rod head 53, a contraction section 52 is connected between the rod body 5 and the rod head 53, and the rod body 5, the contraction section 52 and the rod head 53 are integrally formed; a first bulge 41 is arranged on the outer side of the punch shell 4, a contraction part 42 is arranged at the end part of the punch shell 4, two through holes 43 are symmetrically arranged on two sides of the punch shell 4 above the first bulge 41, and the through holes 43 are rectangular holes; the rod body 5 is provided with a pin hole, a pin rod 6 is inserted in the pin hole, and the pin rod 6 is a rectangular rod; the pin hole is a rectangular hole; the middle part of the pin rod 6 is provided with a matching section 63 matched with the pin hole, and one end part of the pin rod 6 is provided with a limit lug 61; the end side of the punch shell 4 above the through hole 43 is provided with a fixed outer edge 44, and the two fixed outer edges 44 are both in threaded connection with a fastening screw 45; .

Referring to fig. 3, a groove 55 is formed at the end of the club head 53, a second protrusion 56 is formed in the groove 55, and the second protrusion 56 has a truncated cone shape.

Referring to fig. 4, the end of the fastening screw 45 is provided with a spherical protrusion 451, and the pin 6 is provided with a spherical groove 62 on one surface thereof for matching with the spherical protrusion 451.

Referring to fig. 2, a guiding slide 54 is disposed on the inner side wall of the punch housing 4, and a guiding groove 46, which is in guiding fit with the guiding slide 54, is disposed on the outer wall of the rod 5.

Wherein, the radius ratio of the rod body 5 and the rod head 53 is (1-2): 1; the length of the constriction 52 is 1-2 times the diameter of the rod body 5.

Will the utility model discloses a punch shell 4 installs on the forging press that the handle was contracted to the screw tap, and the drift body contracts the handle to the screw tap and plays continuous punching press effect, when forging press inside has the handle hardness that contracts too big or trouble problem, the drift body bears the pressure of overload, and the drift body drives breaking pin 6 this moment, makes the drift body ejecting to the upper portion, plays the guard action, prevents along with the machine continuous operation, leads to the drift to damage or the complete machine is impaired to cause great economic loss.

In use, the punch body is mounted in the punch housing 4, a pin rod 6 is inserted through the through hole 43 and the pin hole, and the fastening screw 45 is rotated to abut against the pin rod 6, so that the pin rod 6 is fastened, and the punch body is firmly mounted in the punch housing 4.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a forging press is with insurance drift, includes drift body and drift casing (4), its characterized in that: the punch head body comprises a rod body (5) and a rod head (53), and a contraction section (52) is connected between the rod body (5) and the rod head (53);

a first bulge (41) is arranged on the outer side of the punch shell (4), two through holes (43) are symmetrically formed in two sides of the punch shell (4) above the first bulge (41), and each through hole (43) is a rectangular hole;

the rod body (5) is provided with a pin hole, a pin rod (6) is inserted in the pin hole, and the pin rod (6) is a rectangular rod; the pin hole is a rectangular hole;

a matching section (63) matched with the pin hole is arranged in the middle of the pin rod (6), and a limiting convex block (61) is arranged at one end of the pin rod (6);

and a fixed outer edge (44) is arranged on the end side of the punch shell (4) above the through hole (43), and fastening screws (45) are connected to the two fixed outer edges (44) in a threaded manner.

2. A safety punch for forging presses according to claim 1, characterised in that the shank (5), the constriction (52) and the head (53) are formed in one piece.

3. A safety punch for forging presses according to claim 1, characterised in that the end of the punch housing (4) is provided with a constriction (42).

4. A safety punch for forging presses according to claim 1, characterised in that the end of the stem head (53) is provided with a recess (55), and in that the recess (55) is provided with a second projection (56), the second projection (56) being of a truncated-cone configuration.

5. A safety punch for forging presses according to claim 1, characterised in that the end of the tightening screw (45) is provided with a spherical projection (451) and that the pin (6) has on one surface a spherical recess (62) cooperating with the spherical projection (451).

6. A safety punch for forging presses according to claim 1, characterised in that the inner side wall of the punch housing (4) is provided with a guide slide (54) and the outer wall of the rod body (5) is provided with a guide groove (46) which is in guiding engagement with the guide slide (54).

7. A safety punch for forging presses according to claim 1, characterised in that the ratio of the radii of the shank (5) and the head (53) is (1-2): 1.

8. a safety punch for forging presses according to claim 1, characterised in that the length of the constriction (52) is 1-2 times the diameter of the rod (5).