CN218487049U - Stainless steel pipe necking device - Google Patents

Abstract

The application discloses nonrust steel pipe throat device to the manual problem that gets the throat piece and lead to the throat quality low, production efficiency is low that exists of solving prior art. The application includes: the single-column hydraulic press comprises an upper die holder and a lower die holder, wherein the upper die holder and the lower die holder are respectively fixed on an upper working surface and a lower working surface of a single-column hydraulic press; the upper die base is provided with an upper necking block, and the lower die base is provided with a lower necking block; the upper die base is provided with a guide pillar, and the lower die base is internally provided with a guide sleeve; when the single-column hydraulic press works, the upper working surface and the lower working surface of the single-column hydraulic press move to drive the upper die base and the lower die base to operate, and the upper necking block and the lower necking block are replaced through the guide sliding action of the guide column and the guide sleeve; this application simple structure, convenient to use to but different products quick replacement throat piece, the throat high quality, production efficiency improves.

Description

Stainless steel pipe necking device

Technical Field

The application relates to the technical field of stainless steel pipe machining, in particular to a stainless steel pipe necking device.

Background

In the production process of the stainless steel pipe, various types of standard parts are firstly produced in batches, and for some application places, the end part of the stainless steel pipe is required to be in a horn shape or a necking shape, so that the stainless steel pipe needs to be subjected to flaring treatment or necking treatment.

At present, the existing stainless steel pipe necking adopts a movable block necking form, the upper necking needs to be manually placed and taken down every time the necking is finished, the eccentric condition of the upper and lower necking blocks is easy to occur, the formed necking quality is low, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the application provides a stainless steel pipe necking device to solve the problems that manual taking and scaling of a necking block in the prior art causes low necking quality and low production efficiency.

In order to achieve the above purpose, the present application provides the following technical solutions:

a stainless steel pipe necking device is characterized by comprising: the upper die holder and the lower die holder are respectively fixed on an upper working surface and a lower working surface of the single-column hydraulic machine; the bottom of the upper die holder is provided with an upper necking block, the upper part of the lower die holder is provided with a lower necking block, the upper necking block is in butt joint with the lower necking block to form an operation opening, and the operation opening is used for necking the stainless steel pipe; the upper die base is provided with a guide pillar, the lower die base is internally provided with a guide sleeve, the guide pillar is in adaptive insertion connection with the guide sleeve, and the upper necking block and the lower necking block are replaced through the guide sliding action of the guide pillar and the guide sleeve.

Optionally, a first groove is formed in the upper part of the lower die holder, and the lower end of the lower necking block is inserted into the first groove and connected with the lower die holder;

the upper portion of upper die base is provided with the second recess, the upper end of last throat piece inserts in the second recess to be connected with the upper die base.

Optionally, the lower necking block is fixedly connected with the lower die base through a first screw.

Optionally, the upper necking block is fixedly connected with the upper die base through a pressing block.

Optionally, the upper necking block is provided with a sixth groove, one side of the pressing block forms a step, the step is inserted into the sixth groove, and the other side of the pressing block is fixedly connected with the upper die base.

Optionally, the pressing block is fixedly connected with the upper die base through a second screw.

Optionally, the upper die base is fixed to an upper working surface of the single-column hydraulic press through a first T-shaped key and a third screw, and the lower die base is fixed to a lower working surface of the single-column hydraulic press through a second T-shaped key and a fourth screw.

Compared with the prior art, the method has the following beneficial effects:

the application provides a stainless steel pipe necking device which comprises an upper die holder and a lower die holder, wherein the upper die holder and the lower die holder are respectively fixed on an upper working surface and a lower working surface of a single-column hydraulic machine; the upper die base is provided with an upper necking block, and the lower die base is provided with a lower necking block; the upper die base is provided with a guide pillar, and the lower die base is internally provided with a guide sleeve matched with the guide pillar; when the single-column hydraulic press works, the upper working surface and the lower working surface of the single-column hydraulic press move to drive the upper die holder and the lower die holder to operate, and the upper necking block and the lower necking block are replaced through the guide and sliding action of the guide columns and the guide sleeves; this application simple structure, convenient to use to but different products quick replacement throat piece, the throat high quality after the shaping, production efficiency improves.

Drawings

To more intuitively illustrate the prior art and the present application, several exemplary drawings are given below. It should be understood that the specific shapes, configurations, shown in the drawings, are not generally considered limitations on the practice of the present application; for example, it is within the ability of those skilled in the art to make routine adjustments or further optimizations based on the technical concepts disclosed in the present application and the exemplary drawings, for the increase/decrease/attribution of certain units (components), specific shapes, positional relationships, connection manners, dimensional ratios, and the like.

FIG. 1 is a first schematic structural diagram provided in accordance with an embodiment of the present application;

FIG. 2 is a schematic structural diagram II provided in accordance with an embodiment of the present application;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a side view of FIG. 1;

FIG. 5 is a first cross-sectional view of FIG. 1;

FIG. 6 is a second cross-sectional view of FIG. 1;

FIG. 7 is a first schematic structural view and a second schematic structural view of the upper die holder and the first T-shaped key in FIG. 1;

FIG. 8 is a schematic structural view and a side view of the upper necking block, the upper half-necking and the pressing block in FIG. 1;

FIG. 9 is a schematic structural view of the lower die holder of FIG. 1.

Description of reference numerals:

1. an upper die holder; 101. a guide post; 102. a first T-shaped key; 103. a third screw; 104. a second groove; 105. a third groove; 2. a lower die holder; 201. a guide sleeve; 202. a second T-shaped bond; 203. a fourth screw; 204. a first groove; 205. a fourth groove; 206. a fifth groove; 3. an upper necking block; 301. the upper half is contracted; 302. a sixth groove; 4. a necking-down block; 401. the lower half is contracted; 5. briquetting; 501. a step; 6. a first screw; 7. a second screw; 8. and a working opening.

Detailed Description

The present application will be described in further detail below with reference to specific embodiments thereof, with reference to the accompanying drawings.

In the description of the present application: "plurality" means two or more unless otherwise specified. The terms "first", "second", "third", and the like in this application are intended to distinguish one referenced item from another without having a special meaning in technical connotation (e.g., should not be construed as emphasizing a degree or order of importance, etc.). The terms "comprising," "including," "having," and the like, are intended to be inclusive and mean "not limited to" (some elements, components, materials, steps, etc.).

In the present application, terms such as "upper", "lower", "left", "right", "middle", and the like are generally used for easy visual understanding with reference to the drawings, and are not intended to absolutely limit the positional relationship in an actual product. Changes in these relative positional relationships are also considered to be within the scope of the present disclosure without departing from the technical concepts disclosed in the present disclosure.

In one embodiment of the present application, a stainless steel pipe necking device, as shown in fig. 1 to 6, includes: the device comprises an upper die holder 1 and a lower die holder 2, wherein the upper die holder 1 and the lower die holder 2 are respectively fixed on an upper working surface and a lower working surface of a single-column hydraulic machine;

as shown in fig. 2 and 3, an upper necking block 3 is arranged at the bottom of the upper die holder 1, an upper half-necking 301 is arranged in the middle of the bottom of the upper necking block 3, a lower necking block 4 is arranged at the upper part of the lower die holder 2, and a lower half-necking 401 is arranged in the middle of the upper part of the lower necking block 4; after the upper necking block 3 is in butt joint with the lower necking block 4, the upper half necking 301 and the lower half necking 401 form a working opening 8, and the working opening 8 is used for necking the stainless steel pipe;

as shown in fig. 5 and 6, the guide pillar 101 is installed on the upper die holder 1, the guide sleeve 201 matched with the guide pillar 101 is installed in the lower die holder 2, the guide pillar 101 is matched and inserted with the guide sleeve 201, and the guide positioning is realized through the guide sliding action of the guide pillar 101 and the guide sleeve 201.

In this embodiment, as shown in fig. 9, the upper portion of the lower die holder 2 is provided with a first groove 204, and the lower end of the lower necking block 4 is inserted into the first groove 204 and connected to the lower die holder 2; the upper part of the upper die holder 1 is provided with a second groove 104, and the upper end of the upper necking block 3 is inserted into the second groove 104 and is connected with the upper die holder 1.

Preferably, the lower necking block 4 is fixedly connected with the lower die holder 2 through a first screw 6; a first screw 6 penetrates from the front of the lower die base 2 and is connected with the lower necking block 4.

Preferably, the upper necking block 3 is fixed on the upper die holder 1 through a pressing block 5, wherein one side of the pressing block 5 is in fit connection with the upper necking block 3, and the other side of the pressing block 5 is also inserted into the second groove 104 and is fixedly connected with the upper die holder 1; the upper end surface of the upper necking block 3 is flush with the upper end surface of the pressing block 5, and the bottom end surface of the pressing block 5 is flush with the bottom end surface of the upper die holder 1.

Further preferably, as shown in fig. 8, a sixth groove 302 is provided at the upper part of the upper necking block 3, a step 501 is formed at the upper part of one side of the pressing block 5 close to the upper necking block 3, the step 501 is inserted into the sixth groove 302, and one side of the pressing block 5 far from the upper necking block 3 is fixedly connected with the upper die holder 1 through a second screw 7.

Preferably, as shown in fig. 2, the upper die base 1 is fixed on the upper working surface of the single-column hydraulic machine through a first T-shaped key 102 and a third screw 103, and the number of the first T-shaped key 102 and the third screw 103 is four; the lower die base 2 is fixed on the lower working surface of the single-column hydraulic press through second T-shaped keys 202 and fourth screws 203, and the number of the second T-shaped keys 202 and the number of the fourth screws 203 are two.

Further preferably, as shown in fig. 7, two third grooves 105 are arranged on the front and rear sides of the upper part of the upper die holder 1, and first mounting holes correspondingly communicated with the two third grooves 105 are arranged on the front and rear sides of the bottom part of the upper die holder; the two first T-shaped keys 102 (far from one side of the T shape) are respectively and correspondingly placed in the third groove 105, and are fixedly connected with the first T-shaped keys 102 after penetrating through the first mounting holes through third screws 103; the upper end surface (one side of the T shape) of the first T-shaped key 102 is fixedly connected with the upper working surface of the single-column hydraulic press;

as shown in fig. 9, the left side and the right side of the bottom of the lower die holder 2 are provided with two fourth grooves 205, the left side and the right side of the upper portion are correspondingly provided with two fifth grooves 206, and the left side and the right side of the lower die holder 2 are respectively provided with a second mounting hole communicating the fourth grooves 205 and the fifth grooves 206; the two second T-shaped keys 202 (far from the T-shaped side) are respectively and correspondingly placed in the fourth groove 205, and are fixedly connected with the second T-shaped keys 202 after sequentially passing through the fifth groove 206 and the first mounting hole by a fourth screw 203; the lower end face (one side of the T shape) of the second T-shaped key 202 is fixedly connected with the lower working face of the single-column hydraulic press.

The working principle of the above embodiment is as follows: the upper die holder 1 is fixed on the upper working surface of the single-column hydraulic machine through a first T-shaped key 102, and the lower die holder 2 is fixed on the lower working surface of the single-column hydraulic machine through a second T-shaped key 202; the upper necking block 3 and the lower necking block 4 are respectively fixed on the upper die holder 1 and the lower die holder 2, the upper die holder 1 and the lower die holder 2 are guided in a way that the guide pillar 101 and the guide sleeve 201 are matched, and the stainless steel tube necking device can rapidly realize the replacement of the necking blocks (the upper necking block 3 and the lower necking block 4); in the working process, the upper working surface and the lower working surface of the single-column hydraulic press move to drive the upper die holder 1 and the lower die holder 2 to operate, and the change of the necking block is finished by the guide of the guide pillar 101 and the guide sleeve 201.

This application simple structure, convenient to use to but different products quick replacement throat piece has promoted production efficiency again greatly when guaranteeing the throat quality, the eccentric condition of upper and lower throat piece can not appear.

All the technical features of the above embodiments can be arbitrarily combined (as long as there is no contradiction between the combinations of the technical features), and for brevity of description, all the possible combinations of the technical features in the above embodiments are not described; these examples, which are not explicitly described, should be considered to be within the scope of the present description.

The present application has been described in considerable detail with reference to certain embodiments and examples thereof. It should be understood that several conventional adaptations or further innovations of these specific embodiments may also be made based on the technical idea of the present application; however, such conventional modifications and further innovations may also fall within the scope of the claims of the present application as long as they do not depart from the technical idea of the present application.

Claims (7)

1. The stainless steel pipe necking device is characterized by comprising: the upper die holder and the lower die holder are respectively fixed on an upper working surface and a lower working surface of the single-column hydraulic machine; the bottom of the upper die holder is provided with an upper necking block, the upper part of the lower die holder is provided with a lower necking block, the upper necking block is in butt joint with the lower necking block to form an operation opening, and the operation opening is used for necking the stainless steel pipe; the upper die base is provided with a guide pillar, the lower die base is internally provided with a guide sleeve, the guide pillar is in adaptive insertion connection with the guide sleeve, and the upper necking block and the lower necking block are replaced through the guide sliding action of the guide pillar and the guide sleeve.

2. The stainless steel tube necking device of claim 1,

the upper part of the lower die holder is provided with a first groove, and the lower end of the lower necking block is inserted into the first groove and connected with the lower die holder;

and the upper part of the upper die holder is provided with a second groove, and the upper end of the upper necking block is inserted into the second groove and is connected with the upper die holder.

3. The stainless steel tube necking device of claim 2, wherein the lower necking block is fixedly connected with the lower die holder through a first screw.

4. The stainless steel tube necking device of claim 2, wherein the upper necking block is fixedly connected with the upper die base through a pressing block.

5. The stainless steel pipe necking device of claim 4, wherein the upper necking block is provided with a sixth groove, one side of the pressing block forms a step, the step is inserted into the sixth groove, and the other side of the pressing block is fixedly connected with the upper die base.

6. The stainless steel tube necking device of claim 5, wherein the pressing block is fixedly connected with the upper die base through a second screw.

7. The stainless steel pipe necking device of claim 1, wherein the upper die base is fixed to an upper working surface of a single-column hydraulic machine through a first T-shaped key and a third screw, and the lower die base is fixed to a lower working surface of the single-column hydraulic machine through a second T-shaped key and a fourth screw.

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