CN209969286U

CN209969286U - Long thin-wall tube blank bottom punch forming device

Info

Publication number: CN209969286U
Application number: CN201920392317.2U
Authority: CN
Inventors: 杨寿民; 沈丁风; 高延刚; 苏光; 欧阳曜林; 张雪峰
Original assignee: Garden Jinbo Technology Co Ltd
Current assignee: Garden Jinbo Technology Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-01-21
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a long thin wall pipe bottom stamping forming device, including the workstation, be fixed in the bottom plate of workstation, can be on the bottom plate rectilinear sliding slide planker, fix the lower die of slide planker, be located the bent axle fixed block of workstation top, rotate the bent axle of being connected, with the bent axle fixed block, with the flywheel of bent axle connection, rectilinear sliding's slider from top to bottom, bent axle and upper punch die are connected to the slider, and the flywheel drives bent axle rotation and drives slider rectilinear sliding from top to bottom when rotating, and when the flywheel just rotated half a circle, the contact extrusion of upper die and the long thin wall pipe of cover on the lower die makes the shape that die and the mutual extrusion of lower die produced appear in long thin wall pipe bottom, when the flywheel continues to rotate, makes the upper die upwards move and the separation of long thin wall pipe bottom. The utility model discloses production efficiency is high, can make the tube bottom shape that the uniformity is good.

Description

Long thin-wall tube blank bottom punch forming device

Technical Field

The utility model relates to a corrugated metal pipe processing technology field especially relates to long thin wall tube bottom stamping forming device.

Background

The existing long thin-wall tube blank bottom punch forming is mainly to install a die on a hydraulic drawing machine, a lower punch die is fixed on a table board of the drawing machine, an upper die is fixed on a moving module of the drawing machine, a long thin-wall tube blank of which the bottom needs punch forming is sleeved on the lower die, and the moving module moves downwards to press the upper die and the lower die tightly so as to punch the bottom of the long thin-wall tube blank. After the punching is finished, the long thin-wall tube blank can be taken out only after the moving module is moved upwards, and the operation speed of the drawing machine is low, so that the production efficiency is low. And each set of tool needs one stretcher, so that the occupied area of the equipment is large. The required stamping force of the long thin-wall tube blank with thick part of the bottom is large, and the stamping force of a common stretcher is insufficient, so that the stamping forming quality of the bottom of the tube blank is influenced, and the consistency of the bottom shape of the tube blank is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem of all solutions provides a long thin wall tube bottom stamping forming device, and production efficiency is high, and bottom shape uniformity is good.

In order to solve the technical problem, the utility model adopts the following technical scheme: a punch forming device for the bottom of a long thin-wall tube blank comprises a workbench, a bottom plate fixed on the workbench, a sliding carriage capable of sliding linearly on the bottom plate, a lower punch die fixed on the sliding carriage, a crankshaft fixing block positioned above the workbench, a crankshaft rotationally connected with the crankshaft fixing block, a flywheel connected with the crankshaft, and a slide block capable of sliding linearly up and down, wherein the slide block is connected with the crankshaft and an upper punch die, the crankshaft is driven to rotate and drive the slide block to slide linearly up and down when the flywheel rotates for half a circle, the upper punch die is in contact with the long thin-wall tube blank sleeved on the lower punch die to be extruded, so that the bottom of the long thin-wall tube blank is in a shape formed by the mutual extrusion of the upper punch die and the lower punch die, when the flywheel continues to rotate, the upper punch die moves upwards to be separated from the bottom of the long thin-wall tube blank, and when the, and the slide and the upper die also return to the initial positions.

Optionally, a stand column is fixed on the workbench, an upper end of the stand column is fixedly connected with the upper fixing plate, the middle of the stand column is fixedly connected with the base body, and the sliding block is slidably mounted on the connecting base body.

Optionally, the sliding carriage is connected with a pull rod.

Optionally, a linear guide rail matched with the sliding carriage is arranged on the bottom plate.

Optionally, the linear guide rail includes a guide rail fixing block integrated with the bottom plate and a guide rail adjusting block capable of adjusting a distance relative to the guide rail fixing block.

Optionally, the guide rail adjusting block is provided with a waist-shaped groove, and an inner hexagonal screw penetrates through the waist-shaped groove to fix the guide rail adjusting block on the bottom plate.

The above technical scheme is adopted in the utility model, it is rotatory to utilize the flywheel to drive the bent axle, and then the drive slider reciprocates, and when the flywheel was rotatory all round, the slider reciprocated once, and the punch die was accomplished bottom stamping forming down with the punch die cooperation down in the drive. Therefore, the following beneficial effects are achieved:

1. the flywheel can rotate at a high speed, so that the punching time is short and the production efficiency is high. After the stamping is finished, the long thin-wall tube blank can be taken out only by pulling out the sliding planker alone, and meanwhile, a new long thin-wall tube blank is placed on the lower stamping die, so that the stamping die is simple and quick.

2. The long thin-wall tube blank can be conveniently taken out without lifting the upper punch die to a high position, and the distance between the upper punch die and the lower punch die is just the height difference of a crankshaft rotating for one circle.

3. And a host with proper tonnage can be selected to be matched according to the punch forming force of the bottom of the tube blank, so that the bottom shape of the tube blank with good consistency can be manufactured. And long thin-wall tube blanks of different types can be produced only by replacing the upper punching die and the lower punching die, so that the practicability is high.

The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

FIG. 1 is a schematic structural view of a bottom punch forming device for a long thin-wall tube blank according to the present invention;

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

FIG. 3 is a cross-sectional view B-B of FIG. 1;

in the figure: 1-a workbench, 2-an upright post, 3-a bottom plate, 4-a lower punch die, 5-an upper punch die, 6-a slide block, 7-a crankshaft fixing block, 8-a crankshaft, 9-an upper fixing plate, 10-a flywheel, 11-a connecting base body, 12-a pull rod, 13-an inner hexagonal screw, 14-an outer hexagonal screw, 15-a guide rail adjusting block and 16-a sliding planker.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

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. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the device for punch forming the bottom of the long thin-wall tube blank comprises a workbench 1, an upright column 2, a bottom plate 3, a lower punch 4, an upper punch 5, a slide block 6, a crankshaft fixing block 7, a crankshaft 8, an upper fixing plate 9, a flywheel 10, a connecting base body 11, a pull rod 12, an inner hexagonal screw 13, an outer hexagonal screw 14, a guide rail adjusting block 15 and a sliding planker 16.

The lower punch 4 is fixed on a sliding carriage 16, the pull rod 12 is connected with the sliding carriage 16, the guide rail adjusting block 15 is fixed on the bottom plate 3 by an inner hexagonal screw 13, the guide rail fixing block is integrated with the bottom plate and matched with the guide rail adjusting block 15 to form a linear guide rail for the sliding carriage 16, the sliding carriage 16 is placed in a linear guide rail groove between the guide rail fixing block and the guide rail adjusting block 15 on the bottom plate 3, and the sliding carriage 16 can slide on the bottom plate 3 along the linear guide rail; the base plate 3 is fixed to the table 1 by an outer hexagonal screw 14.

In order to adjust the linear guide rail, the guide rail adjusting block 15 is provided with a waist-shaped groove, and the inner hexagonal screw 13 penetrates through the waist-shaped groove to fix the guide rail adjusting block 15 on the bottom plate 3, so that the distance of the guide rail adjusting block 15 relative to the guide rail fixing block can be adjusted by loosening the inner hexagonal screw 13.

The stand can be provided with at least two, and an upper fixing plate 9 is connected with the upper end of the stand 2. For example, two columns are arranged side by side, the connection base 11 is fixed on the columns 2 at two sides, and the bottoms of the columns 2 are fixed on the workbench 1.

The flywheel 10 is fixed on the crankshaft 8, the crankshaft 8 is connected with the crankshaft fixing block 7, and the crankshaft 8 can rotate in the crankshaft fixing block 7; the slide block 6 is connected with the crankshaft 8, the slide block 6 is slidably mounted on the connecting base body 11 and can linearly slide up and down, a linear guide groove matched with the slide block is formed in the connecting base body 11, and the upper punch 5 is fixed on the slide block 6.

The utility model discloses the theory of operation: and pulling the pull rod 12 to pull out the sliding planker 16, sleeving the long thin-wall tube blank on the lower die 4, and pushing the sliding planker 16 into a linear guide rail groove formed between the guide rail fixing block and the guide rail adjusting block 15 on the bottom plate 3. After the slide carriage 16 is in place, the flywheel 10 starts to rotate, and simultaneously drives the crankshaft 8 to rotate together. The crankshaft 8 drives the slide 6 downward, causing the upper die 5 fixed to the slide 6 to move downward at the same time. When the flywheel 10 rotates for half a turn, the upper punch 5 contacts and extrudes the long thin-wall tube blank sleeved on the lower punch 4, so that the bottom of the long thin-wall tube blank has a shape generated by mutual extrusion forming of the upper punch 5 and the lower punch 4, namely the required shape of the bottom of the tube blank. And then when the flywheel 10 continues to rotate, the crankshaft 8 is driven to rotate, the driving slide block 6 moves upwards, and the upper punching die 5 moves upwards to be separated from the bottom of the long thin-wall tube blank. When the flywheel 10 has just rotated one revolution to return to the initial position, the crankshaft 8 also returns to the initial position, and the slide 6 and the upper die 5 also return to the initial position. And then pulling the pull rod 12 to pull out the sliding planker 16, and taking out the long thin-wall tube blank from the lower die 4 to finish a production cycle. And sleeving a new long thin-wall tube blank on the lower punch 4 again, and starting a new production cycle.

The utility model discloses a technical scheme, every rotatory a week of flywheel 10, slider 6 reciprocates once, can accomplish a bottom stamping forming. Because the flywheel 10 has fast rotation speed, the time of punching once is very short, and simultaneously, the upper punch die 5 does not need to be lifted to a very high position, the distance between the upper punch die 5 and the lower punch die 4 is just the height of a circle of rotation of the crankshaft 8, after the bottom punch forming is completed, the long thin-wall tube blank can be taken out only by pulling out the sliding planker 16, and the production efficiency is high. In addition, a host with proper tonnage can be selected according to the punch forming force of the bottom of the tube blank, and the bottom shape of the tube blank with good consistency can be manufactured.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a long thin wall tube base bottom stamping forming device which characterized in that: comprises a workbench, a bottom plate fixed on the workbench, a sliding carriage capable of sliding linearly on the bottom plate, a lower punch die fixed on the sliding carriage, a crankshaft fixing block positioned above the workbench, a crankshaft rotationally connected with the crankshaft fixing block, a flywheel connected with the crankshaft, and a slide block capable of sliding linearly up and down, the slide block is connected with the crankshaft and the upper punch die, the flywheel drives the crankshaft to rotate and drives the slide block to linearly slide up and down when rotating, when the flywheel rotates for half a turn, the upper punch die contacts and extrudes the long thin-wall tube blank sleeved on the lower punch die, so that the bottom of the long thin-wall tube blank has a shape generated by mutual extrusion molding of the upper punch die and the lower punch die, when the flywheel continues to rotate, the upper punch die is enabled to move upwards to be separated from the bottom of the long thin-wall tube blank, when the flywheel just rotates for one circle to return to the initial position, the crankshaft also returns to the initial position, and meanwhile, the sliding block and the upper punch die also return to the initial position.

2. The punch forming device for the bottom of the long and thin-wall tube blank according to claim 1, wherein: the worktable is fixedly provided with an upright post, the upper end of the upright post is fixedly connected with an upper fixing plate, the middle part of the upright post is fixedly connected with a base body, and a sliding block is slidably arranged on the connecting base body.

3. The punch forming device for the bottom of the long and thin-wall tube blank according to claim 1, wherein: the sliding planker is connected with a pull rod.

4. The long thin-walled tube blank bottom punch forming device according to any one of claims 1 to 3, wherein: and the bottom plate is provided with a linear guide rail matched with the sliding carriage.

5. A long thin-wall tube blank bottom punch forming device according to claim 4, characterized in that: the linear guide rail comprises a guide rail fixing block integrated with the bottom plate and a guide rail adjusting block capable of adjusting the distance relative to the guide rail fixing block.

6. A long thin-wall tube blank bottom punch forming device according to claim 5, characterized in that: the guide rail adjusting block is provided with a waist-shaped groove, and an inner hexagonal screw penetrates through the waist-shaped groove to fix the guide rail adjusting block on the bottom plate.