CN215144340U

CN215144340U - Punching press mechanism and forging machine

Info

Publication number: CN215144340U
Application number: CN202120148592.7U
Authority: CN
Inventors: 段维新
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-14
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a punching press mechanism and forging machine sets up in mould one side, punching press mechanism include swing arm, guide rail, movable block and towards the needle, the guide rail level set up, towards the needle and install on the movable block, the movable block install at the guide rail, power unit passes through the motion of swing arm drive movable block, the movable block can remove along the length direction of guide rail. The punching mechanism for horizontal punching is arranged, so that the force transmission in the punching mechanism is optimized, and the occupied space of the punching mechanism is reduced.

Description

Punching press mechanism and forging machine

Technical Field

The utility model belongs to the technical field of the forging machine and specifically relates to a punching press mechanism and forging machine are related to.

Background

Forging is a process of using forging machinery to apply pressure to a metal blank to make it plastically deform to obtain a forging with certain mechanical properties, certain shape and size. The defects of casting-state looseness, insufficient forming and the like generated in the smelting process of metal can be eliminated through forging, the microstructure is optimized, and meanwhile, due to the fact that a complete metal streamline is reserved, the mechanical property of the forging is generally superior to that of a casting made of the same material. Important parts with high load and severe working conditions in related machines are mainly forged pieces except for plates, sections or welding pieces which are simple in shape and can be rolled.

The forging and pressing die can be used for forming and processing high-temperature workpieces by adopting forgings, and is widely applied to industrial production. The forging die is used for stamping or extruding a high-temperature workpiece placed in the female die by controlling the movement of the punch through a hydraulic machine tool so as to form the workpiece. The stamping mechanism provided in existing forging dies is typically driven by a linear cylinder. The stamping mechanism is generally set to be stamped up and down, and corresponds to the vertically arranged oil cylinder, and the oil cylinder works to drive the stamping mechanism to work. If the stamping mode is changed into a lateral stamping mode, the oil cylinder needs to be arranged laterally, and the occupied space of the whole stamping die is large, and the structure is heavy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a punching press mechanism and forging machine are provided sets up the punching press mechanism of horizontal punching press, optimizes the transmission of power among the punching press structure, reduces the occupation of land space of punching press mechanism.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a punching mechanism is arranged on one side of a die and comprises a swing arm, a guide rail, a moving block and a punching needle, wherein the guide rail is horizontally arranged, the punching needle is arranged on the moving block, the moving block is arranged on the guide rail, a power mechanism drives the moving block to move through the swing arm, and the moving block can move along the length direction of the guide rail.

Compared with the prior art, the utility model has the advantages of the utility model discloses be different from traditional stamping structure, reciprocate through hydro-cylinder direct drive movable block and realize the punching press. The utility model discloses a set up the guide rail structure and limit the removal displacement of movable block, compare in that power unit is direct to be connected with the movable block, the direction of motion of movable block has directly limited power unit's the direction that sets up. The utility model discloses a guide rail restricts the punching press direction of movable block to come the direction of change power through the swing arm. The power mechanism drives the swing arm to rotate and swing, and the swing arm which rotates and swings drives the moving block to move. Through the setting of swing arm, can change power unit's the direction that sets up, also not be restricted to at linear drive's hydro-cylinder isotructure, the utility model discloses can adopt other structures to drive the rotatory swing of swing arm, for example rotating electrical machines etc..

The utility model discloses further preferred scheme: the swing arm is of an L-shaped structure, and the middle part of the swing arm is rotatably connected with the rack or the support through a middle rotating shaft.

Furthermore, the swing arm is connected with the moving block through an upper connecting piece, one end of the upper connecting piece is rotatably connected with the swing arm, and the other end of the upper connecting piece is rotatably connected with the moving block.

Furthermore, the swing arm is stressed to rotate and swing around the central rotating shaft, and the rotating and swinging swing arm drives the moving block to move on the guide rail through the upper connecting piece.

Furthermore, the upper connecting piece is Y-shaped, one end of the upper connecting piece is wrapped outside the upper end part of the swing arm and is rotatably connected with the swing arm, and the other end of the upper connecting piece extends into the moving block and is rotatably connected with the moving block.

Furthermore, the lower end part of the swing arm is rotatably connected with the eccentric wheel mechanism through a lower connecting piece.

Furthermore, the first lower connecting piece is an H-shaped structural piece, and the upper end of the first lower connecting piece is wrapped outside the lower end part of the swing arm and is rotatably connected with the swing arm. The lower end of the first lower connecting piece is rotatably connected with the eccentric wheel mechanism.

The forging machine comprises an upper die and a lower die, wherein the lower die is laterally provided with a plurality of stamping mechanisms.

Furthermore, at least one punching mechanism is rotatably connected with the lower die, and the rotary punching mechanism takes a lower die cavity of the lower die as a center.

Furthermore, each punching mechanism is respectively connected with an eccentric wheel mechanism, and the eccentric wheel mechanism moves to drive the plurality of punching mechanisms to move synchronously.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

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

fig. 2 is a schematic view of the internal structure of the punching mechanism of the present invention;

fig. 3 is a schematic view of an internal decomposition structure of the punching mechanism of the present invention;

FIG. 4 is a schematic structural view of the forging machine of the present invention;

fig. 5 is a sectional view of the forging machine of the present invention.

Wherein the reference numerals are specified as follows: 1. an upper die; 2. a lower die; 3. a support; 3a, sheathing; 4. a needle sleeve; 5. a thimble; 6. a power mechanism; 7. a guide rail; 8. a moving block; 9. punching a needle; 10. a limiting groove; 11. swinging arms; 12. an upper connecting piece; 131. a first lower connecting piece; 132. a second lower connecting piece; 14. a middle rotating shaft; 15. a frame; 16. an eccentric wheel mechanism; 17. an adjustment shaft; 18. a U-shaped moving plate; 19. the horizontal axis.

Detailed Description

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

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 3: a punching mechanism is arranged on one side of a die and comprises a swing arm 11, a guide rail 7, a moving block 8 and a punching needle 9, wherein the guide rail 7 is horizontally arranged, the punching needle 9 is installed on the moving block 8, the moving block 8 is installed on the guide rail 7, a power mechanism 6 drives the moving block 8 to move through the swing arm 11, and the moving block 8 can move along the length direction of the guide rail 7.

The utility model discloses further preferred scheme: the swing arm 11 is of an L-shaped structure, and the middle part of the swing arm 11 is rotatably connected with the frame 15 or the bracket 3 through a middle rotating shaft 14. The swing arm 11 is connected with the moving block 8 through an upper connecting piece 12, one end of the upper connecting piece 12 is rotatably connected with the swing arm 11, and the other end of the upper connecting piece 12 is rotatably connected with the moving block 8. The swing arm 11 is forced to rotate and swing around the central rotating shaft 14, and the rotating and swinging swing arm 11 drives the moving block 8 to move on the guide rail 7 through the upper connecting piece 12. The upper connecting piece 12 is Y-shaped, one end of the upper connecting piece 12 is wrapped outside the upper end of the swing arm 11 and is rotatably connected with the swing arm 11, and the other end of the upper connecting piece 12 extends into the moving block 8 and is rotatably connected with the moving block 8.

The lower end part of the swing arm 11 is rotatably connected with the eccentric wheel mechanism 16 through a lower connecting piece. The lower connecting piece one 131 is an H-shaped structural piece, and the upper end of the lower connecting piece one 131 is wrapped outside the lower end part of the swing arm 11 and is rotatably connected with the swing arm 11. The lower end of the first lower link 131 is rotatably connected to the eccentric mechanism 16.

The forging machine comprises an upper die 1 and a lower die 2, wherein the lower die 2 is laterally provided with a plurality of stamping mechanisms, as shown in fig. 4 and 5. At least one punching mechanism is rotatably connected with the lower die 2, and the rotary punching mechanism takes the cavity of the lower die 2 as the center. Each punching mechanism is respectively connected with an eccentric wheel mechanism 16, and the eccentric wheel mechanism 16 moves to drive the plurality of punching mechanisms to move synchronously.

Different from the traditional mode that a stamping mechanism is arranged in the upper die 1 or the lower die 2, the forming of a product is realized in an up-and-down stamping mode. The utility model discloses set up punching press mechanism in the side direction, can solve because of strengthening rib or stopper far away from the material that the center leads to pack discontented problem, improved the yield of product. Further, the utility model discloses the punching press mechanism that sets up is a plurality of, is producing and processing multi-ported valve spare promptly, can many passageways of simultaneous processing shaping, compares and sets up single punching press mechanism in traditional forging machine, goes the processing shaping passageway one by one, the utility model discloses machining efficiency has effectively been improved. The lower die 2 can be rotatably provided with a support 3, at least one stamping mechanism is arranged on the support 3, and the stamping mechanism arranged on the support 3 rotates by taking a lower die cavity of the lower die 2 as a center. The utility model discloses set up rotatable punching press mechanism, the passageway of different angles of ability shaping adapts to the multi-ported valve of isostructure.

The stamping angle of the existing forging machine is fixed, the existing forging machine is customized according to a certain finished product, and the existing forging machine has specificity. The structure of the multi-way valve is different in size, and the channel angles in the multi-way valve can be different according to different use environments. If a forging machine is arranged for each multi-way valve structure, the manufacturing cost is high.

The lower die 2 is provided with a needle sleeve 4, the needle sleeve 4 is positioned below a lower die cavity of the lower die 2, a support 3 is arranged on the rear side of the lower die cavity, and the support 3 is rotatably connected with the needle sleeve 4. The needle guard 4 in install thimble 5, thimble 5 connect power unit 6, power unit 6 drive thimble 5 rebound, then thimble 5 stretches into 2 intracavity of lower mould and acts on the fashioned product, can be ejecting with the product. At least one punching mechanism is arranged in the bracket 3, and the bracket 3 rotates to drive the punching mechanism therein to synchronously rotate. If only one punching mechanism is required to be rotatable, a bracket 3 is provided for mounting the punching mechanism. If it is desired that a plurality of punching mechanisms are rotatable, a plurality of holders 3 are provided for mounting the punching mechanisms.

As shown in fig. 5, the support 3 includes an upper layer of sleeve plate 3a and a lower layer of sleeve plate 3a, the sleeve plate 3a is sleeved outside the needle sleeve 4, and the two layers of sleeve plates 3a are connected with each other. The utility model discloses a needle cover 4 is the pipe form structure, and the cover is established outside needle cover 4 to lagging 3a cover, needle cover 4 as the rotatory axle of support 3, support 3 is rotatable around needle cover 4. The utility model provides a support 3 is used for the installation of punching press mechanism, and installs punching press mechanism on support 3 then rotatable for lower mould 2.

The axial direction of the punching needle 9 is arranged along the radial direction of the needle sleeve 4. The position of the needle sleeve 4 is arranged right below the intersection point position of a plurality of channels in the multi-way valve component. That is, all of the channels pass through the intersection location. The radial direction of the needle sleeve 4 penetrates through the intersection point, a punching mechanism is further arranged on the support 3, the moving direction of the moving block 8 is on a certain ray at the intersection point, the angle of the movable support 3, namely the ray, is adjustable, and the requirement of channel forming in different directions can be met.

The utility model discloses be provided with three punching press mechanism, wherein two are fixed settings, and another position is installed at support 3 for the activity setting. A guide rail 7 of the fixedly arranged press structure is fixedly mounted on the lower die 2, and a moving block 8 thereof moves along the fixedly arranged guide rail 7. The guide rail 7 of the stamping mechanism arranged on the bracket 3 is arranged on the bracket 3, and the guide rail 7 is arranged on the upper layer sleeve plate 3 a. A plurality of arc-shaped limiting grooves 10 are formed in the surface of the lower die 2, the arc-shaped limiting grooves 10 are concentrically arranged, the support 3 is installed in the limiting grooves 10, and the support 3 moves along the limiting grooves 10.

The utility model discloses still include frame 15, as shown in fig. 3, frame 15 bottom be provided with eccentric wheel mechanism 16, eccentric wheel mechanism 16 be connected with each punching press mechanism respectively, eccentric wheel mechanism 16 move and drive a plurality of punching press mechanism synchronous motion.

The traditional punching machine and forging machine adopt linear driving pieces such as oil cylinders to drive punching. However, if a plurality of press operations are involved in the forging press, a plurality of cylinders are required to drive the press, which leads to a problem of the consistency of the plurality of press operations. The utility model discloses set up eccentric wheel mechanism 16, through eccentric wheel mechanism 16's motion, drive a plurality of punching press mechanism motions in step, solved the inconsistent problem of motion.

Specifically speaking, the utility model discloses set up motor, gear, it is rotatory to drive the gear through the motor, and the gear is connected with eccentric wheel mechanism 16. The eccentric mechanism 16 converts the rotational motion into an up-and-down linear motion.

The top of the eccentric wheel mechanism 16 is provided with an adjusting shaft 17, the adjusting shaft 17 is vertically arranged, the adjusting shaft 17 can rotate around the axis of the adjusting shaft, and the lower end part of the swing arm 11 arranged on the bracket 3 is rotatably connected with the adjusting shaft 17 through a first lower connecting piece 131. Specific theory, the utility model provides an adjusting spindle 17 can rotate on eccentric wheel mechanism 16, and adjusting spindle 17 only rotates on the horizontal plane, can adapt to the rotation regulation of support 3.

The eccentric wheel mechanism 16 will drive the adjusting shaft 17 to move up and down, and the adjusting shaft 17 moving up and down will drive the swing arm 11 to swing around the middle rotating shaft 14 through the lower connecting piece one 131. The lower connecting piece one 131 is an H-shaped structural piece, and the upper end of the lower connecting piece one 131 is wrapped outside the lower end part of the swing arm 11 and is rotatably connected with the swing arm 11. The lower end of the first lower connecting piece 131 is wrapped outside the adjusting shaft 17 and is rotatably connected with the adjusting shaft 17.

The eccentric wheel mechanism 16 is connected with a cross shaft 19, the cross shaft 19 penetrates through the eccentric wheel mechanism 16, the cross shaft 19 is connected with a U-shaped moving plate 18, and the lower end part of the swing arm 11 arranged on the machine frame 15 is rotatably connected with the U-shaped moving plate 18 through a second lower connecting piece 132. The upper end of the second lower connecting piece 132 is rotatably connected with the swing arm 11, and the lower end of the second lower connecting piece 132 extends into the U-shaped moving plate 18 and is rotatably connected with the U-shaped moving plate 18.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The stamping mechanism is arranged on one side of a die and is characterized by comprising a swing arm (11), a guide rail (7), a moving block (8) and a stamping pin (9), wherein the guide rail (7) is horizontally arranged, the stamping pin (9) is arranged on the moving block (8), the moving block (8) is arranged on the guide rail (7), a power mechanism (6) drives the moving block (8) to move through the swing arm (11), and the moving block (8) can move along the length direction of the guide rail (7).

2. A punching mechanism according to claim 1, characterized in that said swing arm (11) is L-shaped, and the middle of said swing arm (11) is rotatably connected to the frame (15) or the support (3) via a central pivot (14).

3. A stamping mechanism according to claim 1, characterized in that the swing arm (11) is connected to the moving block (8) by an upper connecting member (12), one end of the upper connecting member (12) is rotatably connected to the swing arm (11), and the other end of the upper connecting member (12) is rotatably connected to the moving block (8).

4. A punching mechanism according to claim 2, characterized in that the swing arm (11) is forced to swing rotationally about the central axis (14), and the swing arm (11) will move the movable block (8) on the guide rail (7) via the upper connecting member (12).

5. The stamping mechanism according to claim 4, wherein the upper connecting member (12) is Y-shaped, one end of the upper connecting member (12) is wrapped outside the upper end of the swing arm (11) and is rotatably connected with the swing arm (11), and the other end of the upper connecting member (12) extends into the moving block (8) and is rotatably connected with the moving block (8).

6. A press mechanism according to claim 1, characterised in that the lower end of the swing arm (11) is rotatably connected to the cam mechanism (16) by a lower connecting member.

7. Forging machine, comprising an upper die (1) and a lower die (2), characterized in that the lower die (2) is laterally provided with a plurality of punching mechanisms according to any one of claims 1-6.

8. The forging machine according to claim 7, wherein at least one punching mechanism is rotatably connected to the lower die (2), the rotary punching mechanism being centered in the cavity of the lower die (2).

9. The forging machine according to claim 7, wherein each punching mechanism is connected to an eccentric mechanism (16), and the eccentric mechanism (16) moves to move the plurality of punching mechanisms in synchronization.