CN214719986U

CN214719986U - Pipe forming equipment capable of expanding and contracting simultaneously

Info

Publication number: CN214719986U
Application number: CN202120985293.9U
Authority: CN
Inventors: 李建军
Original assignee: Shandong Yongfeng Hydraulic Machinery Co ltd
Current assignee: Shandong Yongfeng Hydraulic Machinery Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-16
Anticipated expiration: 2031-05-10

Abstract

The utility model relates to a pipe type former of expansion and shrink simultaneously, including the supporting seat, the central point of supporting seat puts and is equipped with first through-hole, and the top of supporting seat is equipped with the end cover, and the central point of end cover puts and is equipped with the second through-hole, and first through-hole and second through-hole inside are equipped with shrink mould seat, and the upper portion of shrink mould seat is the conical surface, and the inside of shrink mould seat is equipped with the expansion mould seat, the utility model provides high production efficiency, the production quality of thin wall pipe expansion technology, pipe type shaping efficiency convert into 20 seconds one from original 20 minutes, and the yield reaches 99% from original 90%, and the theory of operation expands outward, and the equipment appearance reaches the complete conformity, has increased the observability of product.

Description

Pipe forming equipment capable of expanding and contracting simultaneously

Technical Field

The utility model relates to a pipe type former, specific theory relates to a pipe type former of simultaneous expansion and shrink belongs to hydraulic machine and makes technical field.

Background

Some pipes need to be expanded into fixed shapes due to process reasons, the traditional process is to fix the pipes on a lathe, then the interior of the pipes is expanded little by little through a spinning process, time is wasted, manual production of workpieces is difficult to achieve uniform appearance, the rejection rate is high, particularly, pipes with thin pipe walls are difficult to process, and even fixing is difficult.

Disclosure of Invention

An object of the utility model is to overcome the weak point of above-mentioned conventional art, provide a pipe type former of simultaneous expansion and shrink, improved production efficiency, the production quality of thin wall pipe expansion technology, reduced resource consumption such as manpower, material resources in the production process, reduced manufacturing cost.

The purpose of the utility model is achieved through the following technical measures: the utility model provides a pipe type former of simultaneous expansion and shrink, includes the supporting seat, and the central point of supporting seat puts and is equipped with first through-hole, and the top of supporting seat is equipped with the end cover, and the central point of end cover puts and is equipped with the second through-hole, and first through-hole and second through-hole inside are equipped with shrink mould seat, and the upper portion of shrink mould seat is the conical surface, and the inside of shrink mould seat is equipped with the expansion mould seat.

As a further improvement of the above technical solution:

and four corners of the supporting seat are respectively provided with a third through hole, a contraction oil cylinder is respectively arranged below the four third through holes, and a piston rod of the contraction oil cylinder penetrates through the third through holes to be fixedly connected with the end cover.

An expansion oil cylinder is arranged under the expansion die seat, a rotating mechanism is arranged on the expansion oil cylinder, and the rotating mechanism is fixed on the supporting seat.

The rotating mechanism comprises a rotating rack, and the rotating rack is in transmission connection with a motor.

The expansion oil cylinder is provided with a piston, an expansion core is connected above the piston, the upper end of the expansion core is conical, and the upper end of the expansion core penetrates through the center of the expansion die.

And a T-shaped groove is arranged below the upper part of the contraction mold seat, and a T-shaped bulge is arranged at the corresponding position of the expansion mold seat.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the utility model provides high thin wall pipe expansion process's production efficiency, production quality, pipe type shaping efficiency convert 20 seconds into one from original 20 minutes, and the yield reaches 99% from original 90%, and the theory of operation is outer restrainted the internal expanding, and the equipment appearance reaches the complete conformity, has increased the observability of product.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic perspective view of a pipe forming apparatus for simultaneously expanding and contracting in an embodiment of the present invention;

fig. 2 is a schematic structural view of a pipe forming apparatus capable of expanding and contracting simultaneously according to an embodiment of the present invention;

fig. 3 is a schematic sectional view along the direction B-B in fig. 2.

In the figure, 1-supporting seat, 2-end cover, 3-first through hole, 4-second through hole, 5-shrinkage die seat, 6-expansion die seat, 7-expansion oil cylinder, 8-shrinkage oil cylinder, 9-third through hole, 10-T-shaped groove, 11-rotating mechanism, 12-rotating rack, 13-piston, 14-expansion core and 15-piston rod.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b):

as shown in fig. 1-3, a pipe type forming apparatus capable of expanding and contracting simultaneously comprises a supporting seat 1, a first through hole 3 is formed in the center of the supporting seat 1, an end cover 2 is arranged above the supporting seat 1, a second through hole 4 is formed in the center of the end cover 2, the supporting seat 1 and the end cover 2 are both square, a contraction mold seat 5 is arranged inside the first through hole 3 and the second through hole 4, the upper portion of the contraction mold seat 5 is a conical surface, an expansion mold seat 6 is arranged inside the contraction mold seat 5, a T-shaped groove 10 is formed below the upper portion of the contraction mold seat 5, a T-shaped protrusion is arranged at the corresponding position of the expansion mold seat 6, and the T-shaped protrusion and the T-shaped groove 10 form a sliding rail structure for controlling the trend and increasing the stability of the apparatus.

Four angles of supporting seat 1 are equipped with third through-hole 9 respectively, and the below of four third through-holes 9 is equipped with respectively and contracts the hydro-cylinder 8, and the piston rod 15 of contracting the hydro-cylinder 8 passes third through-hole 9 and end cover 2 fixed connection.

An expansion oil cylinder 7 is arranged under the expansion die seat 6, a rotating mechanism 11 is arranged on the expansion oil cylinder 7, the rotating mechanism 11 is fixed on the supporting seat 1, the rotating mechanism 11 comprises a rotating rack 12, the rotating rack 12 is in transmission connection with a motor, and the rotating rack 12 is pulled by the motor to complete the rotating action between the secondary buckling and pressing.

The expanding oil cylinder 7 is provided with a piston 13, an expanding core 14 is connected above the piston 13, the upper end of the expanding core 14 is conical, and the upper end of the expanding core 14 penetrates through the center of the expanding die.

And (3) an expansion process: the expansion is mainly completed by the expansion oil cylinder 7, the piston 13 of the expansion oil cylinder 7 moves upwards to push the expansion core 14, the expansion core 14 converts force into expansion force of the expansion die 6 through the inclined surface, the first expansion action is completed, the piston 13 drives the expansion core 14 to slightly retract after the first expansion is completed, then the rotating rack 12 moves to drive the rotating mechanism 11 to rotate by about 22.5 degrees, and then the piston 13 drives the expansion core 14 and the expansion die seat 6 to perform secondary expansion.

And (3) shrinking process: the contraction oil cylinder 8 pulls the end cover 2 through the piston rod 15, and the end cover 2 converts force into buckling force of the contraction mold seat 5 through the inclined surface to complete contraction.

The utility model discloses withhold in the outer lane with shrink mould seat 5 and be in order to tie the appearance that the pipe class warp, do the expansion action with expansion mould seat 6 in that the product is inside, for guaranteeing fashioned stability, loosen the mould after, the rotatory 22.5 degrees of pipe fitting carries out the secondary to the pipe fitting and withholds and expand, guarantees that the shaping is stable pleasing to the eye.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a pipe class former of simultaneous expansion and shrink which characterized in that: including supporting seat (1), the central point of supporting seat (1) puts and is equipped with first through-hole (3), and the top of supporting seat (1) is equipped with end cover (2), and the central point of end cover (2) puts and is equipped with second through-hole (4), and first through-hole (3) and second through-hole (4) are inside to be equipped with shrink mould seat (5), and the upper portion of shrink mould seat (5) is the conical surface, and the inside of shrink mould seat (5) is equipped with expansion mould seat (6).

2. A simultaneous expansion and contraction pipe-like forming apparatus as claimed in claim 1 wherein: four angles of supporting seat (1) are equipped with third through-hole (9) respectively, and the below of four third through-holes (9) is equipped with shrink hydro-cylinder (8) respectively, and third through-hole (9) and end cover (2) fixed connection are passed in piston rod (15) of shrink hydro-cylinder (8).

3. A simultaneous expansion and contraction pipe-like forming apparatus as claimed in claim 2, wherein: an expansion oil cylinder (7) is arranged under the expansion die seat (6), a rotating mechanism (11) is arranged on the expansion oil cylinder (7), and the rotating mechanism (11) is fixed on the supporting seat (1).

4. A simultaneous expansion and contraction pipe-like forming apparatus as claimed in claim 3, wherein: the rotating mechanism (11) comprises a rotating rack (12), and the rotating rack (12) is connected with a motor in a transmission manner.

5. A simultaneous expansion and contraction pipe-like forming apparatus as claimed in claim 4, wherein: the expansion oil cylinder (7) is provided with a piston (13), an expansion core (14) is connected above the piston (13), the upper end of the expansion core (14) is conical, and the upper end of the expansion core (14) penetrates through the center of the expansion die.

6. A simultaneous expansion and contraction pipe-like forming apparatus as claimed in claim 5, wherein: a T-shaped groove (10) is arranged below the upper part of the contraction mold seat (5), and a T-shaped bulge is arranged at the corresponding position of the expansion mold seat (6).