CN211542281U

CN211542281U - Sizing sleeve with adjustable size for PVC pipe fitting extrusion processing

Info

Publication number: CN211542281U
Application number: CN201922364033.5U
Authority: CN
Inventors: 胡春棋
Original assignee: Quzhou Wanshun Pipe Industry Co ltd
Current assignee: Quzhou Wanshun Pipe Industry Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-22
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a PVC pipe fitting extrusion tooling is with size adjustable sizing cover, which comprises a substrate, it has the equidistance to be the regulation hole that the annular distributes to open on the outer wall of base plate one side, and the inside grafting of regulation hole has hexagon bolt, through hexagon bolt fixedly connected with outer sleeve on the base plate, the welding of center department that outer sleeve one side outer wall was kept away from to the base plate has the storage cavity, it has the opening that has the screw hole to open on the outer wall of storage cavity one end, and the outside of opening on the storage cavity is through countersunk screw fixedly connected with rear end cap, it has the equidistance to be the feed inlet that the annular distributes to open on the outer wall of storage cavity, and the inside fixed mounting of feed inlet has the connection mouth. The utility model discloses let the inner core body of different specifications can install on the inner core vaulting pole, can satisfy the installation of the outer sleeve of different specifications on the base plate, under the condition that does not need parts such as change base plate, realize the regulation to the internal diameter in the PVC pipe production and external diameter.

Description

Sizing sleeve with adjustable size for PVC pipe fitting extrusion processing

Technical Field

The utility model relates to a PVC pipe fitting processing technology field especially relates to a PVC pipe fitting extrusion processing is with size adjustable sizing cover.

Background

The PVC pipe is made of PVC resin powder as the main raw material. The types of PVC tubing are generally classified in terms of the use of the tubing: drain pipes, water supply pipes, electrical wiring pipes, cable sheathing pipes, and the like. Because the raw material formulas are different, the indexes of various pipes in aspects such as pressure resistance are different. The PVC water supply pipe is matched with a water supply fitting and is used for water supply engineering of a building.

In the process of processing the PVC pipe, an extrusion processing technology is adopted to realize the forming processing of the PVC pipe fitting. The sizing sleeve is crucial in PVC pipe forming, the inherent quality and the appearance quality of the pipe are directly influenced, the specification of the conventional sizing sleeve cannot be changed after the design of a specific PVC pipe is finished, so that a lot of PVC pipes with the same specification are produced by the sizing sleeve, a large number of sizing sleeves need to be designed, and the manufacturing cost of the sizing sleeve is high, so that the material is wasted, and the production cost of a factory is increased. Therefore, there is a need to design a sizing sleeve with adjustable size for PVC pipe extrusion to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sizing sleeve with adjustable size for PVC pipe extrusion processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sizing sleeve with adjustable size for PVC pipe extrusion processing comprises a substrate, wherein adjusting holes which are distributed annularly at equal intervals are formed in the outer wall of one side of the substrate, hexagonal bolts are inserted into the adjusting holes, an outer sleeve is fixedly connected onto the substrate through the hexagonal bolts, a material storage cavity is welded at the center of the outer wall of one side of the outer sleeve away from the substrate, an opening with a screw hole is formed in the outer wall of one end of the material storage cavity, a rear end cover is fixedly connected onto the outer portion of the opening in the material storage cavity through a countersunk screw, feed inlets which are distributed annularly at equal intervals are formed in the outer wall of the material storage cavity, a connecting nozzle is fixedly installed in the feed inlets, sliding grooves which are distributed annularly at equal intervals are formed in the outer wall of one side of the substrate, sliding blocks are embedded in the sliding grooves in a sliding mode, and inner core support rods are welded on the outer wall of one side of, the outer wall of one side of the sliding block is welded with an ear plate embedded in the sliding groove, an adjusting screw is arranged on the ear plate, an inner core body is sleeved outside the inner core support rod, and material holes distributed equidistantly are formed in the base plate.

Furthermore, a shallow groove with an annular structure is formed in the outer wall of one side, close to the outer sleeve, of the base plate, and a sealing strip is bonded inside the shallow groove and located in a gap between the base plate and the outer sleeve.

Furthermore, the countersunk head screw and the connecting nozzle are positioned on the same side surface, and an installation gap is reserved between the rear end cover and the material storage cavity.

Furthermore, the number of the inner core support rods is three, through holes are formed in the inner core body, and the inner core body is sleeved outside the inner core support rods through the through holes.

Furthermore, a center hole is formed in the center of the outer wall of one side of the substrate, and the center hole is communicated with an opening cavity defined by the material storage cavity, the outer sleeve and the inner core body.

Furthermore, the inner parts of the two ends of the adjusting hole are of plate ring structures, and the width of the adjusting hole is matched with the diameter of the hexagon bolt.

The utility model has the advantages that:

1. through sliding tray, sliding block, otic placode and the inner core vaulting pole that sets up for the distance between the three inner core vaulting pole is adjustable, thereby lets the inner core body of different specifications can install on the inner core vaulting pole, under the condition that does not need to change parts such as base plate, realizes the regulation to the internal diameter in the PVC pipe production.

2. Through the adjusting holes and the hexagon bolts, the installation of outer sleeves of different specifications on the base plate can be met, and the outer diameter of the PVC pipe in production can be adjusted under the condition that parts such as the base plate do not need to be replaced.

3. The utility model discloses in to the innovative design of sizing cover, satisfy the nimble regulation of sizing cover and designing requirement, when the PVC pipe fitting of different specifications of production, the design of its sizing cover and material cost's input still less adapts to the using widely of middle-size and small-size enterprise.

Drawings

Fig. 1 is a schematic structural view of a sizing sleeve with adjustable size for extrusion processing of a PVC pipe fitting, which is provided by the present invention;

FIG. 2 is a schematic structural view of an outer sleeve removing sleeve of a sizing sleeve with adjustable size for extrusion processing of PVC pipes;

FIG. 3 is a schematic structural view of an inner core body of a sizing sleeve with adjustable size for extrusion processing of PVC pipes;

FIG. 4 is a front view of a base plate structure of a sizing sleeve with adjustable size for extrusion processing of PVC pipes;

fig. 5 is the utility model provides a PVC pipe fitting extrusion process is with outer sleeve structure elevation of size adjustable sizing cover.

In the figure: the device comprises a base plate 1, a sealing strip 2, an outer sleeve 3, a material storage cavity 4, a connecting nozzle 5, a rear end cover 6, a countersunk screw 7, an inner core body 8, an inner core support rod 9, a through hole 10, a central hole 11, a material hole 12, an adjusting hole 13, a sliding groove 14, a sliding block 15, an ear plate 16 and a hexagon bolt 17.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a sizing sleeve with adjustable size for extrusion processing of a PVC pipe comprises a substrate 1, adjusting holes 13 distributed annularly at equal intervals are formed in the outer wall of one side of the substrate 1, hexagon bolts 17 are inserted into the adjusting holes 13, an outer sleeve 3 is fixedly connected to the substrate 1 through the hexagon bolts 17, the inner positions of the adjusting holes 13 are changed through the hexagon bolts 17, so that the sizing sleeve is suitable for fixedly mounting outer sleeves 3 of different specifications on the substrate 1, a material storage cavity 4 is welded at the center of the outer wall of one side of the substrate 1, away from the outer sleeve 3, a notch with a screw hole is formed in the outer wall of one end of the material storage cavity 4, a rear end cover 6 is fixedly connected to the outer portion of the notch in the material storage cavity 4 through a countersunk screw 7, the rear end cover 6 is flexibly disassembled, so that the inner portion of the material storage cavity 4 is cleaned, feed inlets distributed annularly at equal intervals are formed in the outer wall of the material, and the inside of the feed inlet is fixedly provided with a connecting nozzle 5 which is used for being connected with a material conveying pipe and conveying the raw materials in a molten state to the inside of a material storage cavity 4, the outer wall of one side of a base plate 1 is provided with sliding grooves 14 which are distributed in an annular shape at equal intervals, sliding blocks 15 are embedded in the sliding grooves 14 in a sliding manner, the outer wall of one side of each sliding block 15 is welded with an inner core support rod 9, the sliding blocks 15 slide in the sliding grooves 14 to realize the adjustment of different positions of the inner core support rods 9, the outer wall of one side of each sliding block 15 is welded with an ear plate 16 embedded in the sliding grooves 14, the ear plates 16 are provided with adjusting screws, the outer part of each inner core support rod 9 is sleeved with an inner core body 8, the positions of the inner core support rods 9 are changed, the inner diameter and the outer diameter of the inner core bodies 8 in different specifications are suitable for installation, and the adjustment of the inner diameter and the, the base plate 1 is provided with material holes 12 distributed at equal intervals.

Furthermore, a shallow groove with an annular structure is formed in the outer wall of one side, close to the outer sleeve 3, of the substrate 1, a sealing strip 2 is bonded inside the shallow groove, and the sealing strip 2 is located in a gap between the substrate 1 and the outer sleeve 3, so that the sealing performance between the outer sleeve 3 and the substrate 1 is guaranteed, and the condition that raw materials in a molten state leak is avoided.

Further, countersunk screw 7 is located same side with connector 5, and leaves the installation clearance between rear end cover 6 and storage cavity 4, sets up the sealing ring in the installation clearance, has improved storage cavity 4's overall tightness, realizes the better extrusion moulding to PVC.

Further, the number of inner core vaulting poles 9 is three, and the inside of inner core body 8 is opened has a through-hole 10 that link up, and inner core body 8 cup joints in inner core vaulting pole 9's outside through-hole 10, adopts three inner core vaulting poles 9 can be through the stability when fixed to inner core body 8, and inner core vaulting pole 9 can add spacing chuck with the tip of inner core body 8 to guarantee that inner core body 8 can not slide on inner core vaulting pole 9.

Furthermore, a center hole 11 is formed in the center of the outer wall of one side of the base plate 1, the center hole 11 is communicated with an opening cavity defined by the material storage cavity 4, the outer sleeve 3 and the inner core body 8, and materials in a molten state can enter the cavity between the outer sleeve 3 and the inner core body 8 through the center hole.

Furthermore, the inner parts of the two ends of the adjusting hole 13 are of plate ring structures, and the width of the adjusting hole 13 is matched with the diameter of the hexagon bolt 17, so that the moving precision of the hexagon bolt 17 in the adjusting hole 13 is ensured, and the hexagon bolt 17 is convenient to install and fix a new outer sleeve 3 on the base plate 1.

The working principle is as follows: when the sizing sleeve is used, an operator installs the sizing sleeve on a discharge port of a forming machine through the matching of a material conveying pipe and a connecting nozzle 5, and an opening forming cavity is formed by an outer sleeve 3, an inner core body 8, a material hole, a central hole 11 and a material storage cavity 4, so that the sizing extrusion processing of PVC is realized; when people need process the PVC pipe fitting of different specifications, the operator can dismantle hexagon bolt 17, change the outer sleeve 3 with the PVC pipe fitting external diameter looks adaptation that will process, and change hexagon bolt 17 in the inside position of adjustment hole 13, realize fixing on base plate 1 to outer sleeve 3 again, take off inner core body 8 from inner core vaulting pole 9 again after that, adjusting screw on the not hard up otic placode makes the inside motion of sliding block 15 at sliding tray 14, adjust three inner core vaulting pole 9 to the position with the PVC pipe fitting internal diameter looks adaptation that will process, install inner core body 8 on inner core vaulting pole 9 again, thereby realize the regulation to the sizing cover, satisfy the processing of the PVC of different specifications.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sizing sleeve with the adjustable size for the extrusion processing of the PVC pipe fitting comprises a base plate (1) and is characterized in that adjusting holes (13) which are distributed annularly at equal intervals are formed in the outer wall of one side of the base plate (1), hexagonal bolts (17) are inserted into the adjusting holes (13), an outer sleeve (3) is fixedly connected onto the base plate (1) through the hexagonal bolts (17), a material storage cavity (4) is welded at the center of the outer wall of one side of the outer sleeve (3) far away from the base plate (1), an opening with a screw hole is formed in the outer wall of one end of the material storage cavity (4), a rear end cover (6) is fixedly connected onto the outer wall of the material storage cavity (4) through a countersunk screw (7), feed inlets which are distributed annularly at equal intervals are formed in the outer wall of the material storage cavity (4), connecting nozzles (5) are fixedly installed inside the feed inlets, sliding grooves (14) which are distributed annularly at equal intervals are formed in the outer wall of one side of the base plate, the inside slip embedding of sliding tray (14) has sliding block (15), and all welds on the outer wall of one side of each sliding block (15) has inner core vaulting pole (9), the welding has ear board (16) of embedding in sliding tray (14) inside on the outer wall of sliding block (15) one side, and is provided with adjusting screw on ear board (16), inner core body (8) have been cup jointed to the outside of inner core vaulting pole (9), open material hole (12) that have the equidistance and distribute on base plate (1).

2. The sizing sleeve with the adjustable size for the PVC pipe fitting extrusion processing according to claim 1, wherein the outer wall of one side of the base plate (1) close to the outer sleeve (3) is provided with a shallow groove with an annular structure, a sealing strip (2) is bonded inside the shallow groove, and the sealing strip (2) is positioned in a gap between the base plate (1) and the outer sleeve (3).

3. Sizing sleeve with adjustable size for PVC pipe extrusion processing according to claim 1, characterized in that the countersunk head screw (7) and the connection mouth (5) are located on the same side, and a mounting gap is left between the rear end cap (6) and the storage cavity (4).

4. The sizing sleeve with the adjustable size for the PVC pipe fitting extrusion processing according to claim 1, wherein the number of the inner core support rods (9) is three, a through hole (10) is formed in the inner core body (8), and the inner core body (8) is sleeved outside the inner core support rods (9) through the through hole (10).

5. The sizing sleeve with the adjustable size for the PVC pipe fitting extrusion processing according to claim 1, wherein a center hole (11) is formed in the center of the outer wall of one side of the base plate (1), and the center hole (11) is communicated with an open cavity defined by the material storage cavity (4), the outer sleeve (3) and the inner core (8).

6. The sizing sleeve with the adjustable size for the PVC pipe fitting extrusion processing according to claim 1, wherein the inner parts of two ends of the adjusting hole (13) are of plate ring structures, and the width of the adjusting hole (13) is matched with the diameter of the hexagon bolt (17).