CN213618326U

CN213618326U - Plastic tubing expander device

Info

Publication number: CN213618326U
Application number: CN202021971409.5U
Authority: CN
Inventors: 王超
Original assignee: Tianjin Haimingda Technology Development Co ltd
Current assignee: Tianjin Haimingda Technology Development Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-07-06
Anticipated expiration: 2030-09-10

Abstract

The utility model belongs to the technical field of plastic pipe processing, in particular to a plastic pipe expander device, which comprises a sleeve, the sleeve is a sleeve with a leftward opening, a first bearing is fixedly arranged at one end of the sleeve, a rotating rod is fixedly arranged on an inner ring of the first bearing, a first rotating disc is fixedly arranged at one end of the rotating rod, a sliding block is connected with one end of the rotating rod, which is positioned in the sleeve, through threads, two guide wheels are fixedly arranged on the upper side and the lower side of the sliding block, one side of the sliding block, which is far away from the rotating rod, is connected with a connecting seat, a first chute is arranged on the outer surface of the sleeve, a graduated scale is fixedly arranged on one side of the first chute on the outer surface of the sleeve, an indicating rod is fixedly connected to one side of the front face of the connecting seat, the indicating rod is slidably mounted in the first sliding groove, and a pipe expanding drill bit is fixedly connected to one side, away from the sliding block, of the connecting seat. The utility model discloses simple structure, convenient operation can improve the quality of plastic tubing expander greatly.

Description

Plastic tubing expander device

Technical Field

The utility model relates to a plastic tubing processing technology field especially relates to a plastic tubing expander device.

Background

An expander is a tool commonly used when a plastic pipe needs to be butted or expanded. The expander needs to pay attention to the fact that the plastic pipe cannot be burst, scratched and the like in the process of expanding the plastic pipe. Therefore, the diameter change of the pipe expanding cannot be too large, or the pipe diameter is gradually expanded through multiple treatments.

However, in the prior art, a plastic pipe expander device is generally provided, in which a plastic pipe is fixedly heated and then expanded by a cone bit through an expander, because the expander is difficult to be axially aligned with the plastic pipe, the end of the plastic pipe is deformed and inclined during expansion, and the cone bit is not supported by the outer wall of the plastic pipe during expansion, so that the plastic pipe may be cracked or wrinkled if the cone bit is pushed too fast.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plastic pipe expander device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a plastic pipe expander device comprises a sleeve, wherein the sleeve is a sleeve with a leftward opening, a first bearing is fixedly mounted at one end of the sleeve, a rotating rod is fixedly mounted at the inner ring of the first bearing, a first rotating disc is fixedly mounted at one end of the rotating rod, a sliding block is connected to one end of the rotating rod, which is positioned in the sleeve, two guide wheels are fixedly mounted on the upper side and the lower side of the sliding block respectively, a connecting seat is connected to one side, away from the rotating rod, of the sliding block, a first sliding groove is formed in the outer surface of the sleeve, a scale is fixedly mounted on one side, away from the first sliding groove, of the outer surface of the sleeve, an indicating rod is fixedly connected to one side of the front side of the connecting seat, the indicating rod is slidably mounted in the first sliding groove, a pipe expanding drill bit is fixedly connected, two equal slidable mounting has the slide in the second spout, the equal fixed mounting in telescopic upper and lower both sides has the second bearing, two the equal fixed mounting of second bearing inner circle has the lead screw, two the one end that the lead screw was kept away from each other all rotates and installs the second carousel, two the lead screw all runs through sleeve and corresponding slide threaded connection, two the equal fixed mounting in bottom of slide has a plurality of springs, with per two with one side fixed mounting has same fixed plate between the spring bottom.

Preferably, a thread groove is formed in one side of the sliding block, threads matched with the thread groove are formed in the surface of one end of the rotating rod, and one end of the rotating rod is in threaded connection with the thread groove.

Preferably, the four guide wheels are all on the same vertical plane, and the four guide wheels are in contact with the corresponding inner wall of the sleeve.

Preferably, one end of the pipe expanding drill bit is conical, and the connecting seat is fixed to one side of the sliding block through bolts.

Preferably, the fixed plate is a U-shaped plate, and the fixed plate is made of rubber.

Preferably, the threaded grooves matched with the screw rods are formed in the two sides, far away from each other, of the sliding plates, and the screw rods are in threaded connection with the threaded grooves on the sides of the corresponding sliding plates.

Compared with the prior art, the beneficial effects of the utility model are that: the second rotating disc is rotated to drive the screw rod to rotate, so that the sliding plates move, the distance between the two sliding plates is just the maximum distance of the diameter of the plastic pipe to be expanded, the plastic pipe is fixed, the position to be expanded is heated, the sleeve is sleeved on the plastic pipe, so that the fixing block can be just attached to the plastic pipe without the spring deforming, then the port of the plastic pipe is abutted against the end part of the pipe expanding drill bit, the first rotating disc is rotated to drive the rotating rod to rotate, the rotating rod rotates to enable the sliding block to move leftwards, so that the pipe expanding drill bit is driven to expand the plastic pipe, the outer wall of the plastic pipe is gradually expanded while the pipe is expanded, the fixing block attached to the surface of the fixing block has a supporting force on the outer wall of the plastic pipe due to the action of the spring, the phenomenon of cracking and wrinkling can be better ensured, and the port of, the indicating rod moves along with the slider in the moving process, the end of the indicating rod extending out of the sleeve can measure the moving distance through the graduated scale, namely the length of the pipe expanding, and the pipe expanding drill bit can be moved out of the plastic pipe by reversing the first rotating disc after being cooled for a period of time.

The utility model discloses simple structure, convenient operation can improve the quality of plastic tubing expander greatly.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a schematic external structural view of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 1;

in the figure: 1. a sleeve; 2. a first bearing; 3. rotating the rod; 4. a first turntable; 5. a slider; 6. a guide wheel; 7. a connecting seat; 8. a first chute; 9. a graduated scale; 10. an indication lever; 11. a pipe expanding drill bit; 12. a second chute; 13. a slide plate; 14. a second bearing; 15. a screw rod; 16. a second turntable; 17. a spring; 18. and (7) fixing the plate.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a plastic pipe expander device comprises a sleeve 1, the sleeve 1 is a sleeve with a left opening, a first bearing 2 is welded at one end of the sleeve 1, a rotating rod 3 is welded at the inner ring of the first bearing 2, a first rotating disc 4 is welded at one end of the rotating rod 3, a sliding block 5 is in threaded connection with one end of the rotating rod 3 positioned in the sleeve 1, two guide wheels 6 are welded at the upper side and the lower side of the sliding block 5, a connecting seat 7 is connected at one side of the sliding block 5 away from the rotating rod 3, a first chute 8 is formed in the outer surface of the sleeve 1, a graduated scale 9 is welded at one side of the outer surface of the sleeve 1 positioned at the first chute 8, an indicating rod 10 is welded at one side of the front surface of the connecting seat 7, the indicating rod 10 is slidably installed in the first chute 8, a pipe expanding drill bit 11 is welded at one side of the connecting seat 7 away from the, the upper side and the lower side of the sleeve 1 are respectively welded with a second bearing 14, inner rings of the two second bearings 14 are respectively welded with a screw rod 15, one ends, away from each other, of the two screw rods 15 are respectively and rotatably provided with a second turntable 16, the two screw rods 15 penetrate through the sleeve 1 and are in threaded connection with corresponding sliding plates 13, the bottoms of the two sliding plates 13 are respectively welded with a plurality of springs 17, and the bottom ends of every two springs 17 on the same side are welded with the same fixing plate 18;

thread groove has been seted up to one side of slider 5, the screw thread that matches with the thread groove is seted up on the one end surface of dwang 3, the one end and the thread groove threaded connection of dwang 3, four leading wheels 6 are all on same vertical plane, and four leading wheels 6 and the 1 inner wall contact of sleeve that corresponds, the one end of expander drill bit 11 is the toper, connecting seat 7 passes through bolt fastening and fixes with one side of slider 5, fixed plate 18 is the U template, and fixed plate 18 is the rubber material, can take place certain deformation, the thread groove that matches with lead screw 15 is all seted up to one side that two slides 13 kept away from each other, lead screw 15 and the thread groove threaded connection who corresponds slide 13 one side, the utility model discloses simple structure, convenient operation can improve the quality of plastic tubing expander greatly.

The working principle is as follows: the second rotating disc 16 is rotated to drive the screw rod 15 to rotate, so that the sliding plates 13 move, the distance between the two sliding plates 13 is just the maximum distance of the diameter of the plastic pipe to be expanded, the plastic pipe is fixed, the part to be expanded is heated, the sleeve 1 is sleeved on the plastic pipe, so that the fixing block can be just attached to the plastic pipe, but the spring 17 does not deform, then the port of the plastic pipe abuts against the end part of the pipe expanding drill bit 11, the first rotating disc 4 is rotated to drive the rotating disc 3 to rotate, the rotating disc 3 is rotated to drive the sliding block 5 to move leftwards, so that the pipe expanding drill bit 11 is driven to expand the plastic pipe, the outer wall of the plastic pipe is gradually expanded while expanding the pipe, the fixing block attached to the surface of the fixing block has a supporting force on the outer wall of the plastic pipe due to the action of the spring 17, and the phenomenon of, simultaneously the plastics pipe port that enlarges is difficult for crooked, follows the removal at the in-process indicator lever 10 that slider 5 removed, and indicator lever 10 extends the distance that sleeve 1 outside end can measure the removal through scale 9 and also be the length of expander, treat after a period of cooling back reversal first carousel 4 with expand the intraductal shift out of plastic pipe drill bit 11 can, the utility model discloses simple structure, convenient operation can improve the quality of plastic tubing expander greatly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plastic tubing expander device comprising a sleeve (1), characterized in that: the sleeve is characterized in that the sleeve (1) is a left sleeve with an opening, a first bearing (2) is fixedly arranged at one end of the sleeve (1), a rotating rod (3) is fixedly arranged at the inner ring of the first bearing (2), a first rotating disc (4) is fixedly arranged at one end of the rotating rod (3), a sliding block (5) is connected to one end of the rotating rod (3) in the sleeve (1) in a threaded manner, two guide wheels (6) are fixedly arranged at the upper side and the lower side of the sliding block (5), one side of the sliding block (5) far away from the rotating rod (3) is connected with a connecting seat (7), a first sliding groove (8) is formed in the outer surface of the sleeve (1), a scale (9) is fixedly arranged at one side of the first sliding groove (8), an indicating rod (10) is fixedly connected with the indicating rod (10) at one side of the front of the connecting seat (7), and the indicating rod (, one side fixedly connected with expand tub drill bit (11) of slider (5) are kept away from in connecting seat (7), second spout (12), two have all been seted up to the upper and lower both sides of sleeve (1) equal slidable mounting has slide (13) in second spout (12), the equal fixed mounting in upper and lower both sides of sleeve (1) has second bearing (14), two the equal fixed mounting of second bearing (14) inner circle has lead screw (15), two the one end that lead screw (15) kept away from each other all rotates and installs second carousel (16), two lead screw (15) all run through sleeve (1) and slide (13) threaded connection who corresponds, two the equal fixed mounting in bottom of slide (13) has a plurality of springs (17), with per two of the same side fixed mounting has same fixed plate (18) between spring (17) bottom.

2. A plastic tube expander device as claimed in claim 1, and wherein: thread groove has been seted up to one side of slider (5), the screw thread that matches with the thread groove is seted up on the one end surface of dwang (3), the one end of dwang (3) with thread groove threaded connection.

3. A plastic tube expander device as claimed in claim 1, and wherein: the four guide wheels (6) are all on the same vertical plane, and the four guide wheels (6) are in contact with the inner wall of the corresponding sleeve (1).

4. A plastic tube expander device as claimed in claim 1, and wherein: one end of the pipe expanding drill bit (11) is conical, and the connecting seat (7) is fixed with one side of the sliding block (5) through bolt fixing.

5. A plastic tube expander device as claimed in claim 1, and wherein: the fixing plate (18) is a U-shaped plate, and the fixing plate (18) is made of rubber.

6. A plastic tube expander device as claimed in claim 1, and wherein: two the thread groove that matches with lead screw (15) is all seted up to the one side that keeps away from each other of slide (13), lead screw (15) and the thread groove threaded connection who corresponds slide (13) one side.