CN213137738U

CN213137738U - Polymer waterproofing membrane production mould

Info

Publication number: CN213137738U
Application number: CN202021920740.4U
Authority: CN
Inventors: 郇长璐
Original assignee: Xinjingxi Tangshan Building Material Co ltd
Current assignee: Xinjingxi Tangshan Building Material Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-07
Anticipated expiration: 2030-09-04

Abstract

The utility model relates to a macromolecule waterproof coiled material production mold, which belongs to the field of waterproof coiled material production devices and comprises a circular mouth mold and a circular core mold, wherein a forming seam for forming a waterproof coiled material is formed between the mouth mold and the core mold, one side of the mouth mold, which faces the core mold, is provided with a groove forming part, and a distance is reserved between the groove forming part and the core mold; the slot shaping portion includes the tooth section of a plurality of end to end butt joint in proper order, and the tooth section is arranged along the circumferential direction of bush, and the tooth section is including laminating at the connecting block of bush medial surface and being located a plurality of dogteeth that the connecting block deviates from bush one side, and the array orientation of dogtooth is arranged along the circumference of bush, can dismantle between connecting block and the bush and be connected, and the length direction of dogtooth sets up along the feeding ejection of compact direction of bush. The utility model discloses can make the polymer waterproofing membrane surface that produces have the hydrophobic structure to can carry out hydrophobic treatment to the water of waterproofing membrane department.

Description

Polymer waterproofing membrane production mould

Technical Field

The utility model belongs to the technical field of waterproofing membrane apparatus for producing's technique and specifically relates to a polymer waterproofing membrane production mould is related to.

Background

The synthetic high-molecular waterproof coiled material is a curlable sheet-shaped waterproof material which is prepared by taking synthetic rubber, synthetic resin or a blend of the synthetic rubber and the synthetic resin as a base material, adding a proper amount of chemical additives, fillers and the like and adopting rubber or plastic processing technologies such as banburying, extrusion or calendering.

In the production of the polymer waterproof roll by extrusion molding, the extrusion molding is generally performed by a double-plate die. The waterproof roll formed by extrusion molding through the double-flat plate die can only be a plane plate-shaped waterproof roll. And the plane plate-shaped waterproof roll can only play a role in retaining water in the actual use process.

And when the building was applied to the platy waterproofing membrane of plane, the condition of ponding appears easily when rivers to waterproofing membrane department, after long-time ponding exists on waterproofing membrane, thereby waterproofing membrane is destroyed the condition that the fracture seepage appears easily, consequently need lay one deck loose plate or hydrophobic layer in waterproofing membrane's top, thereby the water that makes the department that flows to waterproofing membrane carries out hydrophobic treatment through hydrophobic plate or hydrophobic layer, with the condition that the seepage appears because of the collection of depositing of water in the reduction building.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a polymer waterproofing membrane production mould, the polymer waterproofing membrane surface that its produced has hydrophobic structure to can carry out hydrophobic processing to the water of waterproofing membrane department.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the mold comprises a circular ring-shaped mouth mold and a circular core mold which are used in a matched mode, wherein the core mold is positioned in an inner hole of the mouth mold when the mouth mold and the core mold are used in a matched mode, a forming seam used for forming a waterproof coiled material is formed between the mouth mold and the core mold, a groove forming portion is arranged on one side, facing the core mold, of the mouth mold, and a distance is reserved between the groove forming portion and the core mold; the groove forming portion comprises a plurality of tooth sections which are sequentially butted end to end, the tooth sections are arranged along the circumferential direction of the mouth mold, the tooth sections comprise connecting blocks attached to the inner side surface of the mouth mold and a plurality of convex teeth located on one side, away from the mouth mold, of the connecting blocks, the arrangement direction of the convex teeth is arranged along the circumferential direction of the mouth mold, the connecting blocks are detachably connected with the mouth mold, and the length direction of the convex teeth is arranged along the feeding and discharging direction of the mouth mold.

By adopting the technical scheme, when the high polymer material discharged from the discharge port of the extrusion molding machine passes through the forming seam between the mouth mold and the core mold, the groove forming part on the mouth mold can form the hydrophobic groove on the waterproof coiled material formed through the forming seam, so that the high polymer waterproof coiled material directly forms the hydrophobic groove on the waterproof coiled material when passing through the mouth mold and the core mold, the processing time of the waterproof coiled material is saved, and the production cost of the waterproof coiled material is reduced.

The present invention may be further configured in a preferred embodiment as: the diameter of the core die is matched with the inner diameter of the mouth die, a containing cavity enabling the groove forming part to extend into is arranged at the position, opposite to the groove forming part, of the core die, and a distance is reserved between the groove forming part and the cavity bottom of the containing cavity.

By adopting the technical scheme, the sheet-shaped waterproof coiled material is directly formed by the high polymer material between the mouth mold and the core mold.

The present invention may be further configured in a preferred embodiment as: the core mold is of a disc structure or a circular ring structure.

By adopting the technical scheme and adopting the circular ring structure, the weight of the core die can be reduced, and the material of the core die is saved.

The present invention may be further configured in a preferred embodiment as: an inserting groove is formed in one side, facing the core mold, of the mouth mold, an inserting block used for being inserted into the inserting groove is arranged on the tooth section, and a pressing structure used for pressing and fixing the inserting block into the inserting groove is arranged on the mouth mold.

Through adopting above-mentioned technical scheme, insert the inserting groove of bush in the grafting piece and compress tightly the grafting piece through compact structure and fix in the inserting groove, when changing the tooth section, only need remove to take off the tooth section to the fast packing force of grafting to change the tooth section.

The present invention may be further configured in a preferred embodiment as: the compressing structure comprises a threaded hole formed in the neck ring mold and a compressing bolt in threaded connection with the threaded hole, the threaded hole is located in the end face of the discharge end of the neck ring mold, and the threaded hole is communicated with the inside of the inserting groove.

Through adopting above-mentioned technical scheme, through seting up the screw hole that is linked together with the inserting groove and threaded connection housing bolt in the screw hole, its simple structure will peg graft through housing bolt and compress tightly soon to fix in the inserting groove, thereby housing bolt is difficult for appearing removing and causes the not hard up condition of inserting piece.

The present invention may be further configured in a preferred embodiment as: the tooth section is provided with a fixed block attached to the discharge side of the neck ring mold, and the fixed block is detachably connected with the neck ring mold through a connecting piece.

Through adopting above-mentioned technical scheme, be in the same place fixed block and bush are fixed through the connecting piece, it can guarantee the joint strength between tooth section and the bush, makes the difficult appearance of tooth section not hard up.

The present invention may be further configured in a preferred embodiment as: the end face of the discharge end of the neck ring mold is provided with a positioning groove, and the fixing block is provided with a positioning portion extending into the positioning groove.

Through adopting above-mentioned technical scheme, when the tooth section is installed on the bush, go into the constant head tank with location portion card to the removal of restriction tooth section reduces the condition that position relative movement appears between tooth section and the bush.

The present invention may be further configured in a preferred embodiment as: the convex teeth comprise convex columns with elliptical radial sections and connecting sheets located between the convex columns and the connecting blocks, and gaps between every two adjacent convex teeth are smaller than gaps between every two adjacent convex columns.

Through adopting above-mentioned technical scheme, make the hydrophobic slot on waterproofing membrane surface be the tank bottom width, the hydrophobic slot of notch narrowness to in the drainage, can form the siphon in hydrophobic slot department, thereby do benefit to the discharge of water.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the high polymer material discharged from the discharge port of the extrusion molding machine passes through the molding seam between the mouth mold and the core mold, the groove molding part positioned on the mouth mold can form a hydrophobic groove on the waterproof coiled material molded through the molding seam, so that the high polymer waterproof coiled material directly forms a hydrophobic groove on the waterproof coiled material when passing through the mouth mold and the core mold, the processing time of the waterproof coiled material is saved, and the production cost of the waterproof coiled material is reduced;

2. the tooth section can be dismantled from the bush to when the tooth section takes place to damage, can change the tooth section that damages.

Drawings

Fig. 1 is a schematic structural diagram of a mold for producing a polymer waterproof roll according to a first embodiment of the present application;

FIG. 2 is a schematic view of a connection structure of a die and a groove forming portion according to a first embodiment of the present application;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram of a mold for producing a polymer waterproof roll according to the second embodiment of the present application;

FIG. 5 is a partial enlarged view of portion B of FIG. 4;

fig. 6 is a schematic structural diagram of a mold for producing a polymer waterproof roll according to a third embodiment of the present application;

fig. 7 is a schematic structural diagram of a mold for producing a polymer waterproof roll according to a fourth embodiment of the present application;

fig. 8 is a schematic structural diagram of a mold for producing a polymer waterproof roll according to a fifth embodiment of the present application;

in the figure, 1, a die; 11. inserting grooves; 12. a threaded hole; 13. a hold-down bolt; 14. positioning a groove; 2. a core mold; 21. an accommodating chamber; 3. a groove forming part; 31. a tooth section; 311. connecting blocks; 312. a convex tooth; 3121. a convex column; 3122. connecting sheets; 32. an insertion block; 33. a fixed block; 331. a connecting portion; 332. a positioning part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

The embodiment of the application discloses polymer waterproofing membrane production mould, refers to figure 1, including ring shape bush 1 and the mandrel 2 of disc. When the core mold 2 is used in cooperation with the die 1, the core mold 2 can be fitted into the inner hole of the die 1. When the die 1 and the core mold 2 are used, the core mold 2 is inserted into the die 1 and is coaxial with the die 1. The two ends of the axial direction of the neck ring mold 1 are respectively the feeding side and the discharging side of the neck ring mold 1, when the neck ring mold 1 is arranged at the discharging port of the extruding machine, the feeding side of the neck ring mold 1 is opposite to the discharging port of the extruding machine, and a high polymer material extruded through the discharging port of the extruding machine is extruded between the neck ring mold 1 and the core mold 2 to form a waterproof coiled material.

An arc-shaped groove forming part 3 is arranged between the neck ring mold 1 and the core mold 2, and the radian of the groove forming part 3 is matched with that of the neck ring mold 1. The groove forming part 3 is detachably connected with the neck mould 1. The diameter of the core die 2 is matched with the inner diameter of the mouth die 1. A housing cavity 21 for housing the groove forming portion 3 is provided at a position on the core mold 2 opposite to the groove forming portion 3, and the housing cavities 21 are respectively communicated with both end faces in the axial direction of the core mold 2. The groove forming part 3 extends into the accommodating cavity 21, and a distance is reserved between the groove forming part 3 and the cavity bottom of the accommodating cavity 21, so that a forming seam for forming the waterproof coiled material is formed.

Referring to fig. 2, the groove forming portion 3 is formed by butt-jointing a plurality of tooth sections 31 end to end, and the tooth sections 31 are arranged along the axial direction of the die 1. Adjacent tooth segments 31 are in close fit. The tooth section 31 is detachably connected with the die 1.

Referring to fig. 2 and 3, the tooth segment 31 includes a connecting block 311 having an arc shape to be fitted to the inside of the die 1, and the arc of the connecting block 311 is matched to the arc of the die 1 so that the connecting block 311 can be completely fitted to the inside surface of the die 1. One side of the connecting block 311 departing from the neck ring die 1 is provided with a plurality of convex teeth 312 arranged side by side at intervals, and the convex teeth 312 and the connecting block 311 are integrally formed. The arrangement direction of the convex teeth 312 is arranged along the arc shape of the connecting block 311, and the length direction of the convex teeth 312 is arranged along the feeding and discharging direction of the die 1.

The convex teeth 312 comprise convex columns 3121 with an oval radial section, and the axial direction of the convex columns 3121 is arranged along the feeding and discharging direction of the die 1. A connecting piece 3122 is arranged between the convex column 3121 and the connecting block 311, and the connecting piece 3122, the convex column 3121 and the connecting block 311 are integrally formed. The thickness of the connecting piece 3122 is smaller than the length of the minor axis of the mirror-image cross-section of the protruding columns 3121, so that the gap between two protruding columns 3121 in two adjacent protruding teeth 312 is smaller than the distance between two connecting pieces 3122.

The inner side surface of the neck ring mold 1 is provided with an inserting groove 11 arranged along the axial direction of the neck ring mold 1, and the length of the inserting groove 11 is matched with that of the groove forming part 3. Each tooth section 31 is provided with an insertion block 32 extending into the insertion groove 11, and the insertion block 32 and the tooth section 31 are integrally formed. Threaded holes 12 matched with the number of the inserting blocks 32 are formed in the neck ring die 1, the threaded holes 12 are formed in the end face of the discharging end of the neck ring die 1, and the threaded holes 12 are communicated with the inside of the inserting grooves 11. The threaded holes 12 are arranged opposite to the plug blocks 32 plugged into the plug grooves 11.

The pressing bolts 13 are connected to the inner portions of the threaded holes 12 in a threaded mode, and the pressing bolts 13 are controlled to move in the threaded holes 12, so that the pressing bolts 13 extend into the inserting grooves 11 and press and fix the inserting blocks 32 in the inserting grooves 11, and the process of installing the tooth sections 31 on the die 1 is completed. When the tooth section 31 needs to be replaced, the tooth section 31 can be taken down from the die 1 by loosening the compression bolts 13.

The implementation principle of the embodiment is as follows: when a polymer waterproof roll is produced by using an extruding machine, a polymer material extruded from a discharge port of the extruding machine is extruded through the accommodating cavity 21 of the core die 2, and the groove forming part 3 mounted on the core die 1 can form a groove on the extrusion-molded waterproof roll.

When a tooth segment 31 is deformed or damaged, the damaged tooth segment 31 can be replaced.

Example two

The embodiment of the application discloses polymer waterproofing membrane production mould, refer to fig. 4, fig. 5, and the difference of embodiment two and embodiment one lies in: the connection between the tooth segment 31 and the die 1 is different. An arc-shaped positioning groove 14 is formed in the end face of the discharge end of the neck ring mold 1, and the circle center of the positioning groove 14 falls on the axis of the neck ring mold 1.

The tooth section 31 is connected with the positioning groove 14 on the die 1 through an integrally formed fixing block 33. The fixed block 33 includes that one end links to each other with tooth section 31 and the laminating is at connecting portion 331 on the discharge end terminal surface of bush 1, and connecting portion 331 is provided with the location portion 332 that stretches into the inside of constant head tank 14 with the position that constant head tank 14 is relative, and location portion 332 is the radian of segmental arc and location portion 332 and the radian phase-match of constant head tank 14. The positioning portion 332 can slide inside the positioning groove 14. The connecting portion 331 of the fixing block 33 is fixed to the end surface of the discharge end of the die 1 by a bolt.

When the tooth section 31 needs to be detached from the mouthpiece 1, the tooth section 31 can be detached from the mouthpiece 1 by loosening the bolts on the connecting portions 331. When the tooth section 31 is mounted on the die 1, the tooth section 31 is attached to the inner side surface of the die 1, the positioning portion 332 of the fixing block 33 is positioned inside the positioning groove 14, and the positioning portion 332 is snapped into the positioning groove 14, so that the position of the tooth section 31 can be limited, and the tooth section 31 is always attached to the inner side surface of the die 1 in the mounting process.

EXAMPLE III

The embodiment of the application discloses polymer waterproofing membrane production mould, refer to fig. 6, embodiment three lies in with embodiment one difference: the core mold 2 is a circular ring core mold.

Example four

The embodiment of the application discloses polymer waterproofing membrane production mould, refer to fig. 7, embodiment four and embodiment three the difference lie in: the outer diameter of the core mold 2 is smaller than the inner diameter of the groove forming portion 3. When the core mold 2 and the neck mold 1 are in a coaxial state, a gap is left between the outer side surface of the core mold 2 and the groove forming part 3, and a shaped forming gap for forming the waterproof roll is formed between the core mold 2 and the part of the neck mold 1 where the groove forming part 3 is not provided, so that the tubular waterproof roll is formed by the high polymer material passing between the neck mold 1 and the core mold 2. Finally, the tubular waterproofing membrane is cut in the axial direction, thereby forming a sheet-like waterproofing membrane.

EXAMPLE five

The embodiment of the application discloses polymer waterproofing membrane production mould, refer to fig. 8, embodiment five and embodiment 1's difference lies in: the diameter of the core mold 2 is smaller than the inner diameter of the groove forming part 3, and when the core mold 2 and the neck mold 1 are in a coaxial state, an annular forming seam for forming the waterproof roll is formed between the core mold 2 and the groove forming part 2 and between the core mold 2 and the neck mold 1 at positions where the groove forming part 3 is not provided.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a polymer waterproofing membrane production mould, includes annular bush (1) of ring form and circular shape mandrel (2) that the cooperation was used, bush (1) and mandrel (2) are when the cooperation is used, mandrel (2) are located the hole of bush (1), form between bush (1) and mandrel (2) and be used for the fashioned molding seam of waterproofing membrane, its characterized in that: a groove forming part (3) is arranged on one side, facing the core mold (2), of the mouth mold (1), and a distance is reserved between the groove forming part (3) and the core mold (2); the groove forming part (3) comprises a plurality of tooth sections (31) which are sequentially butted end to end, the tooth sections (31) are arranged along the circumferential direction of the neck ring mold (1), the tooth sections (31) comprise connecting blocks (311) attached to the inner side surface of the neck ring mold (1) and a plurality of convex teeth (312) located on one side of the connecting blocks (311) away from the neck ring mold (1), the arrangement directions of the convex teeth (312) are arranged along the circumferential direction of the neck ring mold (1), the connecting blocks (311) are detachably connected with the neck ring mold (1), and the length direction of the convex teeth (312) is arranged along the feeding and discharging direction of the neck ring mold (1).

2. The mold for producing waterproof polymer roll material according to claim 1, wherein: the diameter of the core die (2) is matched with the inner diameter of the mouth die (1), an accommodating cavity (21) enabling the groove forming part (3) to extend into is arranged at the position, opposite to the groove forming part (3), of the core die (2), and a distance is reserved between the groove forming part and the cavity bottom of the accommodating cavity (21).

3. The mold for producing waterproof polymer roll material according to claim 1, wherein: the core mold (2) is of a disc structure or a circular ring structure.

4. The mold for producing waterproof polymer roll material according to claim 1, wherein: one side of the mouth mold (1) facing the core mold (2) is provided with an insertion groove (11), the tooth section (31) is provided with an insertion block (32) inserted into the insertion groove (11), and the mouth mold (1) is provided with a compression structure for compressing and fixing the insertion block (32) in the insertion groove (11).

5. The mold for producing waterproof polymer roll material according to claim 4, wherein: the compressing structure comprises a threaded hole (12) formed in the neck ring mold (1) and a compressing bolt (13) in threaded connection with the threaded hole (12), the threaded hole (12) is located on the end face of the discharging end of the neck ring mold (1), and the threaded hole (12) is communicated with the inside of the inserting groove (11).

6. The mold for producing waterproof polymer roll material according to claim 1, wherein: the tooth section (31) is provided with a fixed block (33) attached to the discharge side of the mouth mold (1), and the fixed block (33) is detachably connected with the mouth mold (1) through a connecting piece.

7. The mold for producing waterproof polymer roll of claim 6, wherein: the end face of the discharge end of the neck ring mold (1) is provided with a positioning groove (14), and the fixing block (33) is provided with a positioning part (332) extending into the positioning groove (14).

8. The mold for producing waterproof polymer roll material according to claim 1, wherein: the convex teeth (312) comprise convex columns (3121) with elliptical radial sections and connecting sheets (3122) located between the convex columns (3121) and the connecting block (311), and gaps between two adjacent convex teeth (312) and between adjacent convex columns (3121) are smaller than gaps between adjacent connecting sheets (3122).