CN220943189U

CN220943189U - Cutter die

Info

Publication number: CN220943189U
Application number: CN202322715458.2U
Authority: CN
Inventors: 赵雁飞
Original assignee: Sichuan Tianyingxing Aviation Technology Co ltd
Current assignee: Sichuan Tianyingxing Aviation Technology Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-05-14
Anticipated expiration: 2033-10-10

Abstract

The utility model provides a cutter die which comprises a base, an installation seat connected above the base through a plurality of struts, a movable seat connected on the struts in a sliding manner, a hydraulic cylinder arranged on the installation seat, an upper punch connected on the telescopic end of the hydraulic cylinder, a lower punch arranged on the upper end face of the base, a die body arranged on the movable seat, a die hole penetrating through the middle part of the die body, and a demoulding assembly connected between the movable seat and the installation seat and connected with the telescopic end of the hydraulic cylinder, wherein the upper punch and the lower punch can move up and down in the die hole, and the demoulding assembly drives the movable seat to move up and down under the drive of the hydraulic cylinder.

Description

Cutter die

Technical Field

The utility model belongs to the technical field of cutter processing, and particularly relates to a cutter die.

Background

In the machining process, the most basic and common method in industrial production during cutting machining is one of the most important methods, the efficiency, cost and energy consumption of industrial production are directly affected, and as new engineering materials continuously appear, the requirements of machining on cutter materials are continuously improved, and hard alloy gradually replaces high-speed steel to become the most important cutting cutter material due to higher hardness, wear resistance, red hardness and toughness.

The preparation process of the hard alloy cutter generally comprises the steps of mixing metal powder and carbide powder, pressing the mixed powder to form the initial shape of the cutter, sintering a formed blank at high temperature, and polishing and forming after sintering; in the preparation process of the hard alloy cutter, the blank after compression molding is taken out of a compression mold for subsequent sintering. However, because the existing compression molding die is usually fixed, powder is extruded and then is positioned in the die and in close contact with the side wall of the die, so that the cutter blank is taken out in a small space, the manual workpiece taking is difficult, the cutter edge is sharp, the damage is easily caused in the manual workpiece taking process, and the cutter production efficiency and the production safety are greatly reduced.

Disclosure of Invention

The utility model aims to provide a cutter die, which solves the problems of difficult demolding, low production efficiency, certain potential safety hazard and the like of a cutter pressing die in the prior art.

The utility model provides a cutter mould includes the base, is in through many spinal branch posts connection the mount pad of base top, sliding connection is in many remove the seat on the pillar, set up pneumatic cylinder on the mount pad, connect last drift on the flexible end of pneumatic cylinder is in lower drift on the base up end sets up die body on the removal seat, runs through the setting and is in the nib at die body middle part, connect remove the seat with between the mount pad, and with the drawing of patterns subassembly that the flexible end of pneumatic cylinder is connected, go up drift and lower drift can be in reciprocate in the nib, the drawing of patterns subassembly is in the drive of pneumatic cylinder drives and removes the seat and reciprocate.

Preferably, the demolding assembly includes: two symmetry sets up the drawing of patterns unit be connected between moving seat with the mount pad, the drawing of patterns unit includes: one end of the sliding rod is connected with the lower end face of the mounting seat in a rotating way, one end of the sliding rod is connected with the upper end face of the movable seat, the other end of the sliding rod is in threaded connection with a threaded rod in the rotating cylinder, the sliding rod is arranged on the outer side wall of the rotating cylinder, and one end of the sliding rod is arranged on the sliding groove in a sliding way, and the other end of the sliding rod is connected with the telescopic end of the hydraulic cylinder.

Preferably, the spiral grooves on the two demolding units are identical in direction, the bottoms of the spiral grooves are in an opening shape, and when the sliding rod is separated from the lower end of the spiral groove, the lower punch is located above the die hole.

Preferably, the movable seat is provided with a through hole in a penetrating manner, an internal thread is arranged in the through hole, and an external thread matched with the internal thread is arranged on the outer side wall of the die body.

Preferably, a sealing ring is arranged on the inner side wall at the upper end of the through hole.

Preferably, the lower punch comprises a lower screw rod, a lower pressure head connected to the upper end of the lower screw rod, and a connecting seat arranged on the upper end face of the base and in threaded connection with the lower end of the lower screw rod, wherein the size of the lower pressure head is matched with the size of the die hole.

Preferably, the telescopic end of the hydraulic cylinder is provided with a connecting cylinder, the upper punch comprises an upper screw rod, an upper pressing head connected to the lower end of the upper screw rod, the upper end of the upper pressing head is in threaded connection with the inside of the connecting cylinder, and the size of the upper pressing head is matched with the size of the die hole.

Compared with the prior art, the utility model has the advantages that:

1. According to the utility model, the upper punch and the lower punch are respectively arranged above and below the die body, the upper punch and the lower punch are matched under the driving action of the hydraulic cylinder, so that powder is pressed and formed in the die hole of the die body, after the upper punch is pressed, the upper punch is driven to move upwards by the hydraulic cylinder, and then the movable seat is driven to move downwards by the demoulding assembly, so that a pressed blank body is ejected out of the upper end surface of the die body, the blank body is conveniently taken out, and the production efficiency and the production safety of a cutter are greatly improved;

2. According to the die, the die body is connected in the through hole in a threaded manner, the lower punch is connected to the connecting seat in a threaded manner, and the upper punch is connected in the connecting cylinder in a threaded manner, so that the die body, the lower punch and the upper punch are convenient to replace, the die is applicable to production of cutters with different shapes and sizes, and the practicability is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a tool die;

FIG. 2 is a schematic view of a movable base of a tool mold;

FIG. 3 is a schematic diagram of a demolding unit of a cutter mold;

FIG. 4 is a schematic view of the lower punch structure of a tool die;

Reference numerals: 1-base, 2-mount, 3-movable base, 4-pillar, 5-hydraulic cylinder, 6-upper punch, 7-lower punch, 8-die body, 9-die hole, 10-demolding assembly, 11-rotary drum, 12-threaded rod, 13-spiral groove, 14-sliding rod, 15-through hole, 16-sealing ring, 17-lower screw, 18-lower press head, 19-connecting base, 20-connecting cylinder, 21-upper screw, 22-upper press head.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some 14 embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

Example 1

As shown in fig. 1 and 2, a tool die comprises a base 1, an installation seat 2 connected above the base 1 through a plurality of struts 4, a movable seat 3 slidably connected to the struts 4, a hydraulic cylinder 5 arranged on the installation seat 2, an upper punch 6 connected to the telescopic end of the hydraulic cylinder 5, a lower punch 7 arranged on the upper end surface of the base 1, a die body 8 arranged on the movable seat 3, a die hole 9 penetrating through the middle part of the die body 8, and a stripping assembly 10 connected between the movable seat 3 and the installation seat 2 and connected with the telescopic end of the hydraulic cylinder 5, wherein the upper punch 6 and the lower punch 7 can move up and down in the die hole 9, and the stripping assembly 10 drives the movable seat 3 to move up and down under the driving of the hydraulic cylinder 5.

In this embodiment, in the process of performing the tool pressing operation, when the initial position is performed, the upper end surface of the lower punch 7 is located at the bottom of the die hole 9, the upper punch 6 is located at the upper portion of the die body 8, after the mixed powder is added into the die hole 9, the hydraulic cylinder 5 is started to drive the upper punch 6 to move down into the die hole 9, so that the bottom of the upper punch 6, the die hole 9 and the top of the lower punch 7 form a closed forming cavity, after the mixed powder is pressed and formed, the hydraulic cylinder 5 is started to drive the upper punch 6 to reset, the upper punch 6 moves up after being brought to the initial position, and then the demoulding assembly 10 is driven to drive the movable seat 3 to move down, the pressed green body is gradually ejected out of the die body 8, a worker takes out a green body, finally, the upper punch 6 is driven to move down through the hydraulic cylinder 5, the movable seat 3 is driven to move up to the initial position, the next-period processing can be performed, after the green body of a prop is pressed and formed, the die body 8 is automatically ejected, time and labor are saved, the operation is greatly improved, and the tool production efficiency and the production safety are greatly improved.

Example 2

On the basis of embodiment 1, the demolding assembly 10 includes: two symmetrically arranged demoulding units connected between the movable seat 3 and the mounting seat 2, wherein the demoulding units comprise: the rotary drum 11 with one end rotationally connected with the lower end surface of the mounting seat 2, the threaded rod 12 with one end connected with the upper end surface of the movable seat 3 and the other end in threaded connection in the rotary drum 11, the spiral groove 13 arranged on the outer side wall of the rotary drum 11, and the sliding rod 14 with one end slidably arranged on the spiral groove 13 and the other end connected with the telescopic end of the hydraulic cylinder 5.

The spiral grooves 13 on the two demolding units are in the same direction, the bottoms of the spiral grooves 13 are in an opening shape, and when the sliding rod 14 is separated from the lower end of the spiral groove 13, the lower punch 7 is located above the die hole 9.

In this embodiment, the demolding assembly 10 operates according to the following principle: after the upper punch 6 returns to the initial position above the die body 8 under the drive of the hydraulic cylinder 5, the output end of the hydraulic cylinder 5 continues to shrink to drive the upper punch 6 to move upwards, so as to drive the end part of the sliding rod 14 to enter the spiral groove 13 from the opening at the bottom of the spiral groove 13, the sliding rod 14 moves upwards along the spiral groove 13, so as to drive the rotary drum 11 to rotate at the lower end surface of the mounting seat 2, so that a threaded rod 12 in threaded connection with the rotary drum 11 gradually extends out of the rotary drum 11, and finally, the pressed blank body is gradually ejected out of the upper end surface of the die body 8 after the movable seat 3 is driven to move downwards, and the demoulding work is completed; when the hydraulic cylinder 5 drives the upper punch 6 to move back to the initial position, the sliding rod 14 moves downwards along the spiral groove 13, the rotary drum 11 rotates in the direction to drive the threaded rod 12 to shrink, and then the movable seat 3 is driven to move upwards to restore to the initial position, and the whole demolding structure is simple and reasonable in design and convenient to use, and external equipment is not needed.

Example 3

On the basis of embodiment 1, the movable seat 3 is provided with a through hole 15 in a penetrating manner, an internal thread is arranged in the through hole 15, and an external thread matched with the internal thread is arranged on the outer side wall of the die body 8.

The lower punch 7 comprises a lower screw rod 17, a lower pressing head 18 connected to the upper end of the lower screw rod 17, and a connecting seat 19 arranged on the upper end face of the base 1 and in threaded connection with the lower end of the lower screw rod 17, wherein the size of the lower pressing head 18 is matched with that of the die hole 9.

The telescopic end of the hydraulic cylinder 5 is provided with a connecting cylinder 20, the upper punch 6 comprises an upper screw rod 21, an upper pressing head 22 connected to the lower end of the upper screw rod 21, the upper end of the upper pressing head 22 is in threaded connection with the inside of the connecting cylinder 20, and the size of the upper pressing head 22 is matched with the size of the die hole 9.

Wherein, in order to guarantee the leakproofness, avoid the die body to remove the junction between the seat and appear the gap for powder deposit in the gap, be equipped with the sealing washer on the inside wall of through-hole 15 upper end.

In this embodiment, die body 8 threaded connection is in through-hole 15, and lower drift 7 threaded connection is on connecting seat 19, and upper punch 6 threaded connection is in connecting cylinder 20, and then conveniently changes die body 8, lower drift 7 and upper punch 6, and then makes the production that the mould was applicable to different shape and size cutters, and the practicality is strong.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be understood that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A cutter die, characterized in that: including base (1), be in through many spinal branch posts (4) connection mount pad (2) of base (1) top, sliding connection is in many remove seat (3) on pillar (4), set up pneumatic cylinder (5) on mount pad (2), connect last drift (6) on the flexible end of pneumatic cylinder (5), set up lower drift (7) on base (1) up end set up die body (8) on remove seat (3), run through die hole (9) that set up die body (8) middle part, connect remove seat (3) with between mount pad (2) and with demoulding subassembly (10) that pneumatic cylinder (5) flexible end is connected, go up drift (6) and lower drift (7) can be in up-and-down movement in die hole (9), demoulding subassembly (10) are in drive down of pneumatic cylinder (5) and remove seat (3).

2. A tool die as claimed in claim 1, wherein: the stripper assembly (10) includes: two symmetrical demoulding units arranged between the movable seat (3) and the mounting seat (2), wherein the demoulding units comprise: one end of the rotary drum (11) is rotationally connected with the lower end surface of the mounting seat (2), one end of the rotary drum (11) is connected with the upper end surface of the movable seat (3), the other end of the rotary drum is in threaded connection with a threaded rod (12) in the rotary drum (11), a spiral groove (13) is formed in the outer side wall of the rotary drum (11), and one end of the rotary drum is arranged on the spiral groove (13) in a sliding mode, and the other end of the rotary drum is connected with a telescopic end of the hydraulic cylinder (5) through a sliding rod (14).

3. A tool die as claimed in claim 2, wherein: the spiral grooves (13) on the two demolding units are the same in direction, the bottoms of the spiral grooves (13) are in an opening shape, and when the sliding rod (14) is separated from the lower end of the spiral groove (13), the lower punch (7) is located above the die hole (9).

4. A tool die as claimed in claim 1, wherein: the movable seat (3) is provided with a through hole (15) in a penetrating mode, an internal thread is arranged in the through hole (15), and an external thread matched with the internal thread is arranged on the outer side wall of the die body (8).

5. A tool die as defined in claim 4, wherein: and a sealing ring (16) is arranged on the inner side wall of the upper end of the through hole (15).

6. A tool die as claimed in claim 1, wherein: the lower punch (7) comprises a lower screw (17), a lower pressing head (18) connected to the upper end of the lower screw (17) is arranged on the upper end face of the base (1) and is in threaded connection with the lower end of the lower screw (17), and the size of the lower pressing head (18) is matched with the size of the die hole (9).

7. A tool die as claimed in claim 1, wherein: the flexible end of pneumatic cylinder (5) flexible end is equipped with connecting cylinder (20), upper punch (6) are in including last screw rod (21), connect last pressure head (22) of last screw rod (21) lower extreme, go up pressure head (22) upper end threaded connection in connecting cylinder (20), go up pressure head (22) size with nib (9) size looks adaptation.