CN112895393A - Core tube end sealing die of horizontal vertical die main machine and core tube production method - Google Patents

Abstract

The invention belongs to the technical field of building material processing tool manufacturing, and particularly relates to a core tube end enclosure die of a main machine of a horizontal vertical die and a core tube production method, wherein the end enclosure die comprises a forming die (1) and a mounting seat (2); the invention has the following beneficial technical effects: (1) by utilizing the core tube end enclosure die of the horizontal vertical die main machine, an end enclosure is directly processed at the end part of the plastic tube of the core tube, the end enclosure and the plastic tube are integrated, and the end enclosure cannot fall off in the use process of the core tube; (2) the core tube end enclosure die of the horizontal vertical die main machine is provided with a plurality of forming die holes, can process a plurality of end enclosures simultaneously, and has high efficiency; (3) by using the production method of the core tube of the horizontal vertical mould main machine, the end enclosure of the core tube is directly processed at the end part of the plastic tube, which is different from the existing end enclosure which is secondarily installed at the later stage, and the problem that the end enclosure is easy to fall off when the core tube is used is solved.

Description

Core tube end sealing die of horizontal vertical die main machine and core tube production method

Technical Field

The invention relates to the technical field of building material processing tools, in particular to a manufacturing mold of a building material processing tool and a production method of a core pipe.

Background

At present, core pipes are mostly used as important parts of main machine components of horizontal vertical mould wall boards and are used in large quantities in the production of injection moulding wall boards, when the core pipes are used, the core pipes penetrate into cavities of horizontal vertical mould dies and are then grouted into the cavities of the vertical mould main machine dies, after the components are formed for about 12 hours, the core pipes are pulled out by using a pipe drawing machine, the maximum tensile force reaches over 500kg during pipe drawing, and the core pipes are mainly obtained by processing end sockets of PE plastic pipes.

In the related technology, the end socket of the PE plastic pipe is formed by separating the end socket and the PE plastic pipe and finally bonding the end socket and the PE plastic pipe.

The above solution has the following drawbacks: the manufacturing process of the core tube is complicated and the sealing head is easy to fall off in the using process.

Disclosure of Invention

The invention provides a core tube end enclosure mould of a horizontal vertical mould main machine, aiming at simplifying the manufacture of a core tube and ensuring that an end enclosure is not easy to fall off in the using process.

The core tube end enclosure die of the horizontal vertical die main machine adopts the following technical scheme:

a core tube end enclosure die of a horizontal vertical die main machine comprises a forming die and a mounting seat; the mounting seat comprises a main body, the main body is hollow and cuboid, a plurality of forming die holes are formed in the front end face of the main body, a fixing plate is fixedly connected to the bottom face of the main body, and the fixing plate is detachably connected with the workbench; the forming die comprises an annular clamping edge, a tubular female die and a hemispherical female die; the annular clamping edge is a circular ring piece with a certain thickness; the tubular female die is a straight tube, and the end surface of the straight tube is annular; the hemispherical concave die comprises an end face, an inner hemispherical curved surface and an outer hemispherical curved surface, and the end face of the hemispherical concave die is also annular; the inner diameter of the annular clamping edge is the same as the outer diameter of the tubular female die, and the specification of the end face of the tubular female die is equal to that of the end face of the hemispherical female die; one end of the tubular female die is fixedly connected with the end face of the hemispherical female die, and the end face of the tubular female die is aligned with the end face of the hemispherical female die; the periphery of the other end of the tubular female die is fixedly connected with an annular clamping edge, and the axis of the annular clamping edge is superposed with the axis of the tubular female die; the tubular female die penetrates through a forming die hole of the main body, the axis of the tubular female die is perpendicular to the front end face of the main body, the outer diameter of the tubular female die is the same as the diameter of the matched forming die hole, and the hemispherical female die is positioned in the main body; the annular clamp is in surface contact and fixed connection with the front end face of the main body along the rear end face.

Preferably, the left side surface and the right side surface of the main body are respectively communicated with a water inlet pipe and a water outlet pipe.

Preferably, the plurality of molding die holes of the body front end surface have the same or different diameters.

Preferably, the annular clamp is in surface contact with the front end face of the main body along the rear end face and is welded and fixed.

Preferably, the annular clamping edge is provided with a plurality of threaded holes in a balanced manner, and the front end face of the main body is provided with blind holes with internal threads at positions corresponding to the threaded holes of the annular clamping edge.

Preferably, the rear end face of the annular clamping edge is in surface contact with the front end face of the main body and is connected with the front end face of the main body through a screw, and the screw penetrates through a threaded hole of the annular clamping edge and enters a blind hole in the front end face of the main body.

A horizontal vertical mold main machine core pipe production method based on a horizontal vertical mold main machine core pipe end enclosure die comprises the following steps:

step one, blanking a steel pipe, and cutting and processing the steel pipe by using a cutting machine to obtain the steel pipe with the length meeting the requirement;

welding a steel bar drag hook, namely welding an inverted U-shaped steel bar drag hook at one end of the length of the steel pipe;

thirdly, processing a plastic pipe of the core pipe by using the core pipe end enclosure mould of the horizontal vertical mould main machine; the outer diameter of the plastic pipe is equal to the inner diameter of a tubular female die of the forming die, and the inner diameter of the plastic pipe is equal to the outer diameter of the steel pipe;

firstly, marking a marking line at the end to be processed of the plastic pipe to determine a molding area, and then baking and heating the molding area of the plastic pipe; inserting the baked and heated plastic pipe forming area into a tubular female die of a forming die;

applying a thrust force to the other end of the plastic pipe, wherein the thrust force is along the axial direction of the tubular female die, and introducing high-pressure gas into the plastic pipe until the outer surface of the forming area of the plastic pipe is completely attached to the inner wall of the hemispherical female die of the forming die;

introducing cooling liquid from the water inlet pipe to cool the forming die and the plastic pipe forming area so as to cool and form the plastic pipe forming area;

after the core tube end enclosure die of the horizontal vertical die main machine is used for machining, the plastic tube is divided into a straight tube section and an end enclosure section;

taking the plastic pipe out of the forming die, and then penetrating the end of the steel pipe far away from the steel bar hook into the straight pipe section of the plastic pipe, but not penetrating out of the head sealing section of the plastic pipe; the end of the steel pipe with the steel bar draw hook is exposed out of the plastic pipe;

and fifthly, locking one end of the straight pipe section of the plastic pipe, which is far away from the head sealing section, on the periphery of the steel pipe by using a locking ring.

Preferably, in the fourth step, a pushing force is applied to the other end of the plastic pipe, and high-pressure gas is introduced into the plastic pipe, specifically:

the periphery of the other end of the plastic pipe is sleeved with a first main pipe port of the inclined tee joint, and a pipe hoop is additionally arranged at the sleeved position for fixing; the port of the inclined branch pipe of the inclined tee is communicated with the air outlet of the air compressor through an air pipe; a second main pipe port of the inclined tee is in a blocked state; the thrust is applied to two ends of a main pipe port of the inclined tee joint.

Preferably, in the fifth step, one end, far away from the head sealing section, of the straight pipe section of the plastic pipe is locked on the periphery of the steel pipe by using a locking ring, specifically: and tightly buckling the locking ring and the plastic pipe together by using the pipe locking machine.

Preferably, the temperature of the molding region in the third step after baking and heating is 120-140 ℃.

In summary, the invention has the following beneficial technical effects:

(1) by utilizing the core tube end enclosure die of the horizontal vertical die main machine, an end enclosure is directly processed at the end part of the plastic tube of the core tube, the end enclosure and the plastic tube are integrated, and the end enclosure cannot fall off in the use process of the core tube;

(2) the core tube end enclosure die of the horizontal vertical die main machine is provided with a plurality of forming die holes, can process a plurality of end enclosures simultaneously, and has high efficiency;

(3) the core tube end enclosure die of the horizontal vertical die main machine can be internally filled with cooling water, can cool the forming die and the forming area of the plastic tube in the forming die, and can ensure that the end enclosure die can continuously operate and cool and shape the forming area of the plastic tube.

(4) By utilizing the production method of the core tube of the horizontal vertical mold main machine, the end socket of the core tube is directly processed at the end part of the plastic tube, which is different from the existing end socket which is secondarily installed at the later stage, so that the problem that the end socket is easy to fall off when the core tube is used is solved; the pipe locking machine is used for tightly buckling and pressing the locking ring and the plastic pipe together, so that the plastic pipe is not easy to fall off when the core pipe is used.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced as follows:

FIG. 1 is a schematic view of the core tube end enclosure die of the horizontal vertical die main machine of the invention;

FIG. 2 is a schematic view of a mounting seat in a core tube end enclosure die of a horizontal vertical die main machine of the invention;

FIG. 3 is a schematic view showing a forming mold in a core tube sealing head mold of the horizontal type vertical mold main machine of the invention;

FIG. 4 is a schematic diagram II of a forming mold in a core tube end enclosure mold of a horizontal vertical mold main machine according to the invention;

FIG. 5 is a schematic view of a core tube produced by the horizontal vertical mold main machine core tube production method of the present invention;

FIG. 6 is a schematic view of a core tube for secondary installation of a head in the prior art;

FIG. 7 is a schematic view showing the thrust applied to the end of the plastic pipe and the introduction of high-pressure gas in the method for producing the core tube of the horizontal vertical mold main machine according to the present invention.

Description of reference numerals: 1-end sealing mould, 101-annular clamping edge, 102-tubular concave mould and 103-hemispherical concave mould;

2-mount, 201-main body; 202-a water inlet pipe; 203-water outlet pipe; 204-forming a die hole; 205-a fixed plate;

3-a steel pipe, 4-a steel bar drag hook, 5-a lock ring, 6-a straight pipe section and 7-a head sealing section;

8-inclined tee joint, 81-main pipe port I, 82-inclined branch pipe port, 83-main pipe port II;

and 9-secondary mounting of the seal head.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

The present invention is described in further detail below with reference to figures 1-7.

The embodiment of the invention discloses a core tube end enclosure die of a horizontal vertical die main machine, which comprises a forming die 1 and a mounting seat 2 as shown in figure 1.

As shown in fig. 2, the mounting base 2 includes a main body 201, the main body 201 is a hollow rectangular parallelepiped, a plurality of forming mold holes 204 are formed in a front end surface of the main body 201, a fixing plate 205 is fixedly connected to a bottom surface of the main body 201, and the fixing plate 205 is detachably connected to the workbench.

As shown in fig. 3 and 4, the forming mold 1 comprises an annular clamping rim 101, a tubular female mold 102 and a hemispherical female mold 103; the annular clamping edge 101 is a circular ring piece with a certain thickness; the tubular female die 102 is a straight pipe, and the end surface of the straight pipe is annular; the hemispherical concave die 103 comprises an end face, an inner hemispherical curved surface and an outer hemispherical curved surface, and the end face of the hemispherical concave die 103 is also annular.

As shown in fig. 3 and 4, the inner diameter of the annular clamping edge 101 is the same as the outer diameter of the tubular concave die 102, and the end surface of the tubular concave die 102 is equal to the end surface of the hemispherical concave die 103 in specification; one end of the tubular female die 102 is fixedly connected with the end face of the hemispherical female die 103, and the end face of the tubular female die 102 is aligned with the end face of the hemispherical female die 103; the periphery of the other end of the tubular female die 102 is fixedly connected with an annular clamping edge 101, and the axis of the annular clamping edge 101 is overlapped with the axis of the tubular female die 102.

As shown in fig. 1, the tubular female die 102 passes through a forming die hole 204 of the main body 201, the axis of the tubular female die 102 is perpendicular to the front end surface of the main body 201, the outer diameter of the tubular female die 102 is the same as the diameter of the matched forming die hole 204, and the hemispherical female die 103 is positioned in the main body 201; the back end face of the annular clamping edge 101 is in surface contact with and fixedly connected with the front end face of the main body 201.

As shown in fig. 1 and 2, the left side surface and the right side surface of the main body 201 are respectively communicated with a water inlet pipe 202 and a water outlet pipe 203.

As shown in fig. 1, the plurality of molding die holes 204 of the front end surface of the main body 201 have the same diameter.

The back end face of the annular clamping edge 101 is in surface contact with the front end face of the main body 201 and is welded and fixed.

A horizontal vertical mold main machine core pipe production method based on a horizontal vertical mold main machine core pipe end enclosure die comprises the following steps:

step one, blanking the steel pipe 3, and cutting and processing the steel pipe by using a cutting machine to obtain the steel pipe 3 with the length meeting the requirement;

welding a steel bar drag hook 4, namely welding the inverted U-shaped steel bar drag hook 4 at one end of the length of the steel pipe 3, as shown in figure 5;

thirdly, processing a plastic pipe of the core pipe by using a core pipe end enclosure mould of the horizontal vertical mould main machine; the outer diameter of the plastic pipe is equal to the inner diameter of the tubular female die 102 of the forming die 1, and the inner diameter of the plastic pipe is equal to the outer diameter of the steel pipe 3;

firstly, marking a mark line at the end to be processed of the plastic pipe to determine a molding area (the molding area is a deformation area of the processing end of the plastic pipe, and the length of the molding area is determined by tests or calculation), and then baking and heating the molding area of the plastic pipe; inserting the plastic pipe molding area after baking and heating into a tubular female die 102 of a molding die 1;

as shown in fig. 7, a pushing force is applied to the other end of the plastic tube, the pushing force is along the axial direction of the tubular female die 102, and high-pressure gas is introduced into the plastic tube until the outer surface of the forming area of the plastic tube is completely attached to the inner wall of the hemispherical female die 103 of the forming die 1;

as shown in fig. 1, a cooling liquid is introduced from a water inlet pipe 202 to cool the forming mold 1 and the plastic pipe forming area, so that the plastic pipe forming area is cooled and formed;

as shown in fig. 5, after the core tube end enclosure die of the horizontal vertical die main machine is used for processing, the plastic tube is divided into a straight tube section 6 and an end enclosure section 7;

taking the plastic pipe out of the forming die 1, and then penetrating the end of the steel pipe 3, which is far away from the steel bar drag hook 4, into the straight pipe section 6 of the plastic pipe, but not out of the sealing head section 7 of the plastic pipe; the end of the steel pipe 3 with the steel bar draw hook 4 is exposed out of the plastic pipe;

and step five, locking one end of the straight pipe section 6 of the plastic pipe, which is far away from the head sealing section 7, on the periphery of the steel pipe 3 by using a locking ring 5.

As shown in fig. 7, in the fourth step, a pushing force is applied to the other end of the plastic tube, and high-pressure gas is introduced into the plastic tube, specifically: the periphery of the other end of the plastic pipe is sleeved with a first main pipe port 81 of the inclined tee joint 8, and a pipe hoop is additionally arranged at the sleeved position for fixing; the port 82 of the inclined branch pipe of the inclined tee joint 8 is communicated with the air outlet of the air compressor through an air pipe; a second main pipe port 83 of the inclined tee joint 8 is in a blocked state; the pushing force is applied to the second 83 end of the main pipe port of the inclined tee joint 8.

Step five, locking one end of the straight pipe section 6 of the plastic pipe, which is far away from the head sealing section 7, at the periphery of the steel pipe 3 by using the locking ring 5, specifically comprising the following steps: the locking ring 5 and the plastic pipe are tightly buckled together by using a pipe locking machine.

The temperature of the molding area after baking and heating in the third step is 120-140 ℃.

By utilizing the production method of the core tube of the horizontal vertical mould main machine, the end enclosure of the core tube is directly processed at the end part of the plastic tube, which is different from the existing end enclosure 9 (shown in figure 6) which is secondarily installed at the later stage of the core tube, thereby solving the problem that the end enclosure is easy to fall off when the core tube is used

Example 2

The difference between this example and example 1 is: the diameters of a plurality of forming die holes 204 on the front end surface of the main body 201 are the same;

a plurality of threaded holes are uniformly formed in the annular clamping edge 101, and blind holes with internal threads are formed in the positions, corresponding to the threaded holes of the annular clamping edge 101, of the front end surface of the main body 201; the back end face of the annular clamping edge 101 is in surface contact with the front end face of the main body 201 and is connected with the front end face of the main body 201 through a screw, and the screw penetrates through a threaded hole of the annular clamping edge 101 to enter a blind hole in the front end face of the main body 201.

Example 3

The difference between this example and example 1 is: compared with the embodiment 1, the shape of the forming die 1 is adjusted, and the hemispherical concave die 103 is changed into a frustum-shaped concave die; the annular clamping edge 101 is removed, and a frustum-shaped concave die is changed to be fixedly connected with the rear end face of the main body 201.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the above-mentioned technical details to other fields by using the equivalent embodiments with equivalent changes or modifications, but any simple modification and equivalent changes made to the above embodiments according to the technical spirit of the present invention may still fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A core tube end enclosure die of a horizontal vertical die main machine is characterized by comprising a forming die (1) and a mounting seat (2);

the mounting seat (2) comprises a main body (201), the main body (201) is hollow and cuboid, a plurality of forming die holes (204) are formed in the front end face of the main body (201), a fixing plate (205) is fixedly connected to the bottom face of the main body (201), and the fixing plate (205) is detachably connected with a workbench;

the forming die (1) comprises an annular clamping edge (101), a tubular female die (102) and a hemispherical female die (103); the annular clamping edge (101) is an annular sheet with a certain thickness; the tubular female die (102) is a straight pipe, and the end face of the straight pipe is annular; the hemispherical concave die (103) comprises an end face, an inner hemispherical curved surface and an outer hemispherical curved surface, and the end face of the hemispherical concave die (103) is also annular;

the inner diameter of the annular clamping edge (101) is the same as the outer diameter of the tubular concave die (102), and the specification of the end face of the tubular concave die (102) is equal to that of the end face of the hemispherical concave die (103); one end of the tubular female die (102) is fixedly connected with the end face of the hemispherical female die (103), and the end face of the tubular female die (102) is aligned with the end face of the hemispherical female die (103); the periphery of the other end of the tubular female die (102) is fixedly connected with an annular clamping edge (101), and the axis of the annular clamping edge (101) is superposed with the axis of the tubular female die (102);

the tubular female die (102) penetrates through a forming die hole (204) of the main body (201), the axis of the tubular female die (102) is perpendicular to the front end face of the main body (201), the outer diameter of the tubular female die (102) is the same as the diameter of the matched forming die hole (204), and the hemispherical female die (103) is positioned in the main body (201); the back end face of the annular clamping edge (101) is in surface contact with and fixedly connected with the front end face of the main body (201).

2. The core tube and head die of the horizontal vertical die main machine according to claim 1, wherein the left side surface and the right side surface of the main body (201) are respectively communicated with a water inlet tube (202) and a water outlet tube (203).

3. The horizontal type vertical die main machine core tube end socket die according to claim 1 or 2, wherein the diameters of the plurality of forming die holes (204) on the front end surface of the main body (201) are the same or different.

4. The core tube and end enclosure die for the horizontal type vertical die main unit according to claim 3, wherein the rear end face of the annular clamping edge (101) is in surface contact with and welded and fixed to the front end face of the main body (201).

5. The core tube and end enclosure die for the horizontal type vertical die main unit according to claim 3, wherein the annular clamping edge (101) is provided with a plurality of threaded holes in a balanced manner, and a blind hole with an internal thread is formed in the position, corresponding to the threaded holes of the annular clamping edge (101), of the front end surface of the main body (201).

6. The core tube and end enclosure die for the horizontal type vertical die main unit according to claim 5, wherein the rear end face of the annular clamping edge (101) is in surface contact with the front end face of the main body (201) and is connected with the front end face of the main body (201) through a screw, and the screw penetrates through a threaded hole of the annular clamping edge (101) and enters a blind hole in the front end face of the main body (201).

7. The production method of the horizontal vertical mould main machine core tube based on the horizontal vertical mould main machine core tube end enclosure mould disclosed by claim 4 or 6 is characterized by comprising the following steps of:

step one, blanking the steel pipe (3), and cutting and processing the steel pipe by using a cutting machine to obtain the steel pipe (3) with the length meeting the requirement;

welding a steel bar drag hook (4), and welding the inverted U-shaped steel bar drag hook (4) at one end of the length of the steel pipe (3);

thirdly, processing a plastic pipe of the core pipe by using the core pipe end enclosure mould of the horizontal vertical mould main machine; the outer diameter of the plastic pipe is equal to the inner diameter of a tubular female die (102) of the forming die (1), and the inner diameter of the plastic pipe is equal to the outer diameter of the steel pipe (3);

firstly, marking a marking line at the end to be processed of the plastic pipe to determine a molding area, and then baking and heating the molding area of the plastic pipe; inserting the baked and heated plastic pipe forming area into a tubular female die (102) of a forming die (1);

applying a thrust force to the other end of the plastic pipe, wherein the thrust force is along the axial direction of the tubular female die (102), and introducing high-pressure gas into the plastic pipe until the outer surface of the forming area of the plastic pipe is completely attached to the inner wall of the hemispherical female die (103) of the forming die (1);

introducing cooling liquid from the water inlet pipe (202) to cool the forming die (1) and the plastic pipe forming area, so that the plastic pipe forming area is cooled and formed;

after the core tube end enclosure die of the horizontal vertical die main machine is used for machining, the plastic tube is divided into a straight tube section (6) and an end enclosure section (7);

taking the plastic pipe out of the forming die (1), and then penetrating the end, far away from the steel bar drag hook (4), of the steel pipe (3) into a straight pipe section (6) of the plastic pipe, but not penetrating out of a head sealing section (7) of the plastic pipe; the end of the steel pipe (3) with the steel bar draw hook (4) is exposed out of the plastic pipe;

and fifthly, locking one end of the straight pipe section (6) of the plastic pipe, which is far away from the head sealing section (7), on the periphery of the steel pipe (3) by using a locking ring (5).

8. The method for producing the core tube of the horizontal type vertical mold main machine according to claim 7, wherein in the fourth step, a pushing force is applied to the other end of the plastic tube, and high-pressure gas is introduced into the plastic tube, and the method comprises the following specific steps:

the periphery of the other end of the plastic pipe is sleeved with a first main pipe port (81) of the inclined tee joint (8), and a pipe hoop is additionally arranged at the sleeved position for fixing; an inclined branch pipe port (82) of the inclined tee joint (8) is communicated with an air outlet of the air compressor through an air pipe; a second main pipe port (83) of the inclined tee joint (8) is in a blocking state; the thrust is applied to the second main pipe port (83) end of the inclined tee joint (8).

9. The production method of the core tube of the horizontal type vertical mold main machine according to claim 8, wherein in the fifth step, one end of the straight tube section (6) of the plastic tube, which is far away from the head sealing section (7), is locked on the periphery of the steel tube (3) by using a locking ring (5), and specifically comprises the following steps: the locking ring (5) and the plastic pipe are tightly buckled and pressed together by using a pipe locking machine.

10. The method for producing the core tube of the horizontal type vertical mold main unit according to claim 8 or 9, wherein the temperature of the molding region in the third step after the baking and heating is 120-140 ℃.

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