CN216885186U

CN216885186U - Portable plastic pipe head flanging processing device

Info

Publication number: CN216885186U
Application number: CN202122677510.0U
Authority: CN
Inventors: 侯会生; 申石磊; 刘耀东; 刘波; 宋建峰; 毋文莉; 闫华; 李聪颖; 王蕾
Original assignee: Shanxi Beihua Guanlyu Chemical Industry Co ltd
Current assignee: Shanxi Beihua Guanlyu Chemical Industry Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-07-05
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to a plastic pipe flange connection processing device, in particular to a portable plastic pipe head flanging processing device. The problems of insecure welding of the plastic pipe flange, easy opening of welding lines, easy leakage point occurrence and easy damage of installation quality are solved. A portable plastic pipe head flanging processing device comprises a hot melting die and a pressing die punching die; the upper inner cavity of the hot melting mould forms a hot melting inner cavity, and the lower inner cavity forms a jacket for clamping the plastic pipe; two fulcrums are welded on the external symmetry of the hot-melting die, a group of pull rods capable of moving are connected to each fulcrum, the pressing die stamping die comprises a stamping body, the front end of the stamping body is a conical punch, a gland is fixed on the outer wall of the stamping body in a surrounding mode behind the punch, and a pair of pressing rods is symmetrically installed on the stamping body behind the gland. The plastic pipeline flange connecting component is reasonable and reliable in structural design, forms a durable plastic pipeline flange connecting component through hot melting, pressing and flanging, and has the advantages of ingenious structural design, simplicity and convenience in processing and low cost.

Description

Portable plastic pipe head flanging processing device

Technical Field

The utility model relates to a plastic pipe head flanging processing technology in the field of chemical manufacturing, in particular to a portable plastic pipe head flanging processing device.

Background

In the chemical synthesis preparation process, the process pipelines are frequently required to be disassembled, assembled and connected aiming at different chemical products and different chemical synthesis routes. Because the plastic pipe has the advantages of acid resistance, alkali resistance, convenient installation and low cost, the plastic pipe is generally adopted by chemical synthesis manufacturers. For plastic pipelines which are frequently dismounted or cleaned, the pipeline combination is often carried out in a flange connection mode so as to improve the production change efficiency. At present, the flange connection processing of the plastic pipe mostly adopts the mode of welding the plastic pipe and the plastic flange for butt joint, and has the problems of insecure welding of the plastic pipe flange, easy opening of a welding line, easy leakage point occurrence and easy damage of installation quality.

In the prior art, chinese patent CN212636574U discloses a plastic tube hot flanging device, which needs to be driven by a stepping motor, and has a high cost, and meanwhile, the whole mechanism of the device is complex, and is not suitable for flanging operation of plastic tube heads which needs to be completed quickly and simply in chemical synthesis.

Disclosure of Invention

The utility model provides a portable plastic pipe head flanging processing device, which solves the problems of insecure welding, easy opening of welding seams, easy leakage point generation and easy-to-damage installation quality of plastic pipe flanges in the existing chemical synthesis preparation process.

The utility model is realized by adopting the following technical scheme: a portable plastic pipe head flanging processing device comprises a hot melting die and a pressing die punching die; the hot melting mold is formed by locking and butting two half cylinder molds through a plurality of groups of buckles or bolts; the inner diameter of the upper part of the inner cavity of the hot melting mould is larger than that of the lower part, the inner cavity of the upper part forms a hot melting inner cavity, and the inner cavity of the lower part forms a jacket for clamping a plastic pipe; two fulcrums are symmetrically welded outside the hot melting die, a group of movable pull rods is connected to each fulcrum, each group of pull rods consists of a first connecting rod and a second connecting rod, one end of the first connecting rod is rotatably connected to the fulcrum, one end of the second connecting rod is rotatably connected to the first connecting rod, the connecting position of the second connecting rod is close to the fulcrum, and the other end of the second connecting rod is provided with a lantern ring; the stamping die comprises a stamping body, the front end of the stamping body is a conical punch, a gland is fixed on the rear part of the punch around the outer wall of the stamping body, and a pair of pressure rods are symmetrically arranged on the stamping body behind the gland; the lantern ring at the other end of the second connecting rod can be sleeved on the pressure rod; the hot melt cavity can accommodate a gland.

When the plastic pipe is processed, the plastic pipe is fixed in the two half-cylinder mold clamping sleeves, the plastic pipe head is heated and softened by an air welding gun or other heating modes, the end part of the plastic pipe head is positioned in the hot melting inner cavity, the bottom of the plastic pipe is fixed on the support, the whole plastic pipe is vertically arranged, the pull rod is sleeved on the press rod (the end lantern ring of the second connecting rod is sleeved on the press rod), the press die punching tool is used for pressing the softened plastic pipe head through the lever action, the softened plastic pipe head is subjected to plastic pipe head flanging under the external force action of the pressing cover, and the plastic pipe head flanging is obtained after cooling and forming.

Furthermore, the pressure lever deflects towards the rear part of the stamping body.

The pressure lever deflects backwards, so that the second connecting rod is sleeved on the pressure lever and cannot easily fall off in the reciprocating motion process.

The plastic pipeline flange connecting component is reasonable and reliable in structural design, forms a durable plastic pipeline flange connecting component through hot melting, pressing and flanging, and has the advantages of ingenious structural design, simplicity and convenience in processing and low cost.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention.

FIG. 2 is a schematic view of a hot melt mold.

Figure 3 is a schematic view of the flanging of a plastic tube.

1-hot melting die, 2-pressing die punching die, 3-semi-cylinder die, 4-buckle, 5-plastic pipe head, 6-hot melting inner cavity, 7-jacket, 8-fulcrum, 9-pull rod, 10-punch, 11-gland, 12-press rod, 13-plastic pipe and 14-flanging.

Detailed Description

Embodiment 1 as shown in fig. 1 and 2, a portable plastic tube head flanging processing device comprises a hot melting die 1 and a pressing die 2; the hot melting die 1 is formed by locking and butting two half-cylinder dies 3 through a plurality of groups of buckles 4 or bolts; the inner diameter of the upper part of the inner cavity of the hot melting mould 1 is larger than that of the lower part, the inner cavity of the upper part forms a hot melting inner cavity 6, and the inner cavity of the lower part forms a jacket 7 for clamping and processing a plastic pipe; the plastic pipe head is arranged in the hot melting inner cavity at the upper part, and the plastic pipe body is fixed by the jacket at the lower part of the two semi-cylinder molds; two fulcrums 8 are symmetrically welded outside the hot-melting die 1, a group of movable pull rods 9 is connected to each fulcrum 8, each group of pull rods 9 consists of a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is rotatably connected (hinged) to the fulcrum 8, one end of the second connecting rod is rotatably connected (hinged) to the first connecting rod, the connecting position of the second connecting rod is close to the fulcrum 8, and the other end of the second connecting rod is provided with a lantern ring; the pressing die stamping tool 2 comprises a stamping body, the front end of the stamping body is a conical stamping head 10, a gland 11 is fixed on the rear part of the stamping head 10 around the outer wall of the stamping body, and a pair of pressure rods 12 are symmetrically arranged on the stamping body behind the gland 11; the lantern ring at the other end of the second connecting rod can be sleeved on the pressure rod 12; the heat-fusible inner cavity 6 can accommodate a gland 11.

The lower part of the hot melting die 1 is provided with a jacket 7, the diameter of the inner cavity of the hot melting die is matched with the outer diameter of a plastic pipe so as to ensure that the plastic pipe is firmly fixed and does not move in the processing process, a movable pull rod device is arranged outside the hot melting die 1, and the die pressing and die releasing are completed by vertically pulling a pull rod 9; the lower part of the pressing die stamping die 2 is provided with a punch 10, the middle part is provided with a gland 11, the upper part is provided with a pressure lever 12, the pressing die stamping die can move up and down synchronously through a pair of pull rods, and the pressing die stamping die can move up and down and is used for completing the molding and pressing work of the hot-melt softened plastic pipe head. The pull rod rotating surface is positioned on the vertical surface and can drive the pressing die stamping die 2 to move up and down. The bottom of the plastic tube is fixed vertically (by a machine frame or other base) to facilitate the operation of the device.

The pressing die stamping tool 2 consists of a stamping body, a gland and two symmetrical pressing rods.

In embodiment 2, the inner diameter of the hot-melting inner cavity 6 is 5-10 mm larger than the outer diameter of the plastic pipe, that is, the outer diameter of the flange of the plastic pipe should be 5-10 mm larger than the outer diameter of the plastic pipe, and the outside exceeding the range is still within the protection scope of the patent.

Example 3 the inner diameter of the two half cylinder mould jackets 7 should match the outer diameter of the processed plastic pipe to ensure that the plastic pipe is held firmly and not displaced during processing.

The flanged plastic pipe heads 5 can be baked and heated by an air welding gun, the baking temperature enables all the plastic pipe heads 5 in the hot melting inner cavity 6 to be sufficiently softened, and the heating and softening modes beyond the range are still within the protection scope of the patent.

Example 4 the punch 10 has an outer diameter slightly smaller than the inner diameter of the plastic tip 5 and serves to prevent the softened plastic tip 5 from being softened and clogged during the flanging process.

The external diameter of the gland 11 of example 5 is slightly smaller than the internal diameter of the hot melt cavity 6 to ensure that the softened plastic tube head 5 can be fully pressed.

The pull rods 9 are symmetrically sleeved on the compression rods 12, the pull rods 9 are pulled downwards to perform die pressing, and the pull rods 9 are pulled upwards to perform die stripping.

The processed plastic tube has a thermoplastic property.

Embodiment 6 as shown in fig. 2, four pairs of clips 4 are arranged from top to bottom, and each pair of clips 4 is symmetrically arranged on two sides of the hot-melt mold 1. One side of each semicircular cylinder body can be hinged, and the other side of each semicircular cylinder body can be connected through a buckle or a bolt; or the symmetrical positions of the two sides of the semicircular cylinder body are provided with buckles to realize connection.

The hot-melting die 1 and the pressing die 2 are made of stainless steel or rigid alloy. As shown in fig. 3, the head of the plastic pipe is of a flanging structure, and the structure can conveniently realize butt joint of two plastic pipes, so that the technical problems of insecure welding, easy cracking of welding seams and the like caused by using flanges are solved.

Claims

1. A portable plastic pipe head flanging processing device is characterized by comprising a hot melting die (1) and a pressing die stamping die (2); the hot melting mold (1) is formed by locking and butting two half-cylinder molds (3) through a plurality of groups of buckles (4) or bolts; the inner diameter of the upper part of the inner cavity of the hot melting mould (1) is larger than that of the lower part, the inner cavity of the upper part forms a hot melting inner cavity (6), and the inner cavity of the lower part forms a jacket (7) for clamping a plastic pipe (13); two fulcrums (8) are symmetrically welded on the outer portion of the hot melting die (1), a group of movable pull rods (9) is connected to each fulcrum (8), each group of pull rods (9) is composed of a first connecting rod and a second connecting rod, one end of each first connecting rod is rotatably connected to the corresponding fulcrum (8), one end of each second connecting rod is rotatably connected to the corresponding first connecting rod, the connecting position of each second connecting rod is close to the corresponding fulcrum (8), and a lantern ring is arranged at the other end of each second connecting rod; the pressing die stamping tool (2) comprises a shaft-shaped stamping body, the front end of the stamping body is a conical stamping head (10), a gland (11) is fixed at the rear part of the stamping head (10) around the outer wall of the stamping body, and a pair of pressing rods (12) are symmetrically arranged on the stamping body behind the gland (11); a lantern ring at the other end of the second connecting rod can be sleeved on the pressure lever (12); the hot-melt inner cavity (6) can accommodate a gland (11).

2. The portable flanging device for plastic pipe heads of claim 1, wherein the press rod (12) is deflected toward the rear of the punch body.

3. The portable plastic tube head flanging processing device according to claim 1 or 2, wherein the inner diameter of the hot-melting inner cavity (6) is 5-10 mm larger than the outer diameter of the plastic tube (13).

4. The portable plastic tube head flanging processing device of claim 1 or 2, wherein the buckles (4) are arranged in four groups from top to bottom.

5. The portable plastic tube head flanging processing device of claim 1 or 2, wherein the hot melting die (1) and the pressing die (2) are made of stainless steel or rigid alloy.