CN210161616U

CN210161616U - Die capable of eliminating hose clearance

Info

Publication number: CN210161616U
Application number: CN201920909382.8U
Authority: CN
Inventors: 褚万鑫
Original assignee: Xuzhou Henghe Machinery Technology Co ltd
Current assignee: Xuzhou Henghe Machinery Technology Co ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-03-20
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses a can eliminate mould in hose clearance, including withholding mould and joint core, its characterized in that: the mould is provided with a plurality of groups, eight groups withhold the mould and constitute a tubular structure, withhold the inside joint core that is provided with of tubular structure that the mould constitutes, withhold the mould and be fan-shaped long banding structure for the cross section profile, withhold mould one end and all open there is the opening, it has three location blind holes of group and a set of mould screw hole to open on the withhold mould perpendicular of opening inboard, the inside partial profile that is provided with of opening rather than complex fixture block, inside three location through-holes of group and a set of piece fixed orifices of opening of fixture block, the tubular structure that the mould constitutes of withholding is installed inside the working chamber of withholding machine, the location through-hole of fixture block and the inside location axle that is provided with of the location blind hole of withholding the mould. This can eliminate mould in hose clearance can solve the clearance problem of hose crimping, is fit for generally using widely.

Description

Die capable of eliminating hose clearance

Technical Field

The utility model belongs to the technical field of the hose mould, concretely relates to can eliminate mould in hose clearance.

Background

The hydraulic hose assembly is completed by inserting the joint core into the hydraulic hose and pressing the joint core and the sleeve tightly, and after the joint core and the sleeve are designed and shaped, pressing is a key process.

In order to reduce the variety and the cost, the buckling and pressing die of the one-layer steel wire braided hose and the two-layer steel wire braided hose can be used commonly. The outer diameter difference between the one layer of steel wire braided hose and the two layers of steel wire braided hose is larger, so the diameter after buckling has larger difference. The problem exists that the same joint core and sleeve have different diameters after being buckled, the diameter of the two layers of steel wire woven hoses is larger after being buckled, and a buckling mould and the joint core are matched to form a gap, so that the joint core is connected with the hoses only through the stress compression of the inner rubber layer of the hoses when the hydraulic hoses work, and after the hydraulic hoses work for a long time, the elasticity of the inner rubber layer is gradually reduced, the sealing performance is reduced, and leakage occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can eliminate mould in hose clearance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can eliminate mould in hose clearance, is including withholding mould and joint core, withhold the mould and be provided with a plurality of groups, eight groups withhold the mould and constitute a tubular structure, withhold the inside joint core that is provided with of tubular structure that the mould constitutes, withhold the mould and be fan-shaped rectangular structure for the cross section profile, withhold mould one end and all open the opening, it has three location blind holes of group and a set of mould screw hole to open on the withholding mould perpendicular of opening inboard, the inside partial profile that is provided with of opening rather than complex fixture block, inside the opening of fixture block has three location through-holes of group and a set of fixed orifices.

Preferably, the cylindrical structure formed by the crimping die is arranged in the working cavity of the crimping machine.

Preferably, the locating hole of fixture block and the inside location axle that is provided with of the location blind hole of withholding the mould, the profile of location axle is circle axle column structure, the screw thread part of location axle is located the inside internal thread hole of location blind hole, and the fixture block passes a fixed orifices through the screw and gets into inside and withhold the mould screw hole fixed, the location axle is opened inside the one end of its screw thread part dorsad has the hexagonal hole.

Preferably, the joint core comprises an inserting barrel and an inner barrel, the inserting barrel is of a circular tubular structure, a groove is formed in the outer circle part of one end of the inserting barrel, a barrel cavity is formed in the end, back to the groove, of the inserting barrel, the inner barrel is of a circular tubular structure, the inner pipe part of the inner barrel is located inside the barrel cavity part of the inserting barrel, and the inserting barrel penetrates through a barrel through hole formed in the outer circle part of the inserting barrel through a screw to enter the barrel threaded hole to be fixed with the inner barrel.

Preferably, the profile of the cartridge and inner barrel is customized to the characteristics of the hose.

The utility model discloses a technological effect and advantage: according to the die capable of eliminating the clearance of the hose, the specification of the clamping block changes according to the specification change of the pipe, when the specification of the pipe changes, the clamping block can be detached from the opening by detaching the screw in the fixing hole of the clamping block, and the corresponding clamping block is replaced so as to solve the problem that the clearance exists between the crimping die and the joint core; because the fixture block is a component which frequently bears pressure, the problem of excessive abrasion can exist when some hoses with built-in multi-layer steel wire meshes or outer-layer coated steel wire meshes are produced, the conventional buckling and pressing die needs to be integrally replaced, the problem of waste caused by the fact that the buckling and pressing die is integrally replaced can be solved by directly replacing a new fixture block, and the inner pipe is designed to have the same effect as the fixture block.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the separated state of the present invention;

FIG. 3 is an exploded view of the crimping mold of the present invention;

FIG. 4 is a cross-sectional view of the opening of the crimping mold of the present invention;

FIG. 5 is a schematic view of the internal structure of the fixture block of the present invention;

fig. 6 is a schematic view of the positioning shaft structure of the present invention;

fig. 7 is an exploded view of the joint core of the present invention;

FIG. 8 is a schematic view of the structure of the insertion tube of the present invention;

fig. 9 is a schematic view of the inner tube structure of the present invention.

In the figure: the method comprises the following steps of 1 buckling and pressing a die, 101 positioning blind holes, 102 die threaded holes, 103 openings, 104 clamping blocks, 105 positioning through holes, 106 fixing holes, 107 positioning shafts, 2 joint cores, 201 grooves, 202 inserting cylinders, 203 cylinder through holes, 204 cylinder cavities, 205 cylinder threaded holes, 206 inner cylinders and 207 inner pipes.

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.

The utility model provides a die capable of eliminating the clearance of a hose as shown in figures 1-9, which comprises a crimping die 1 and a joint core 2, the buckling and pressing die 1 is provided with a plurality of groups, eight groups of buckling and pressing dies 1 form a cylindrical structure, a joint core 2 is arranged in the cylindrical structure formed by the buckling and pressing dies 1, the buckling and pressing die 1 is a long strip-shaped structure with a fan-shaped cross section outline, one end of the buckling and pressing die 1 is provided with an opening 103, three groups of positioning blind holes 101 and a group of mould threaded holes 102 are arranged on the vertical surface of the buckling mould 1 at the inner side of the opening 103, a fixture block 104 with a partial contour matched with the opening 103 is arranged in the opening 103, three groups of positioning through holes 105 and a group of fixture block fixing holes 106 are arranged in the fixture block 104, the diameter of the inner arc surface of the fixture block 104 is slightly smaller than that of the inner arc surface of the crimping die 1, and the diameter difference between the inner arc surface of the fixture block 104 and the inner arc surface of the crimping die 1 is determined by the contour of the hose.

Specifically, the cylindrical structure formed by the crimping die 1 is arranged in the working cavity of the crimping machine.

Specifically, the positioning shaft 107 is arranged inside the positioning through hole 105 of the fixture block 104 and the positioning blind hole 101 of the clamping die, the contour of the positioning shaft 107 is of a circular shaft-shaped structure, the threaded portion of the positioning shaft 107 is located in an internal threaded hole inside the positioning blind hole 101, the fixture block 104 penetrates through the block fixing hole 106 through a screw to enter the die threaded hole 102 to be fixed with the clamping die 1, a hexagonal hole is formed inside one end of the positioning shaft 107, which is opposite to the threaded portion of the positioning shaft, the fixture block 104 is of a replaceable structure, bears stress through the upper surface of the opening 103, is positioned through the positioning shaft 107, when the fixture block 104 is stressed, the fixture block 104 is in contact with the clamping die 1, the stress of the fixture block 104 is transferred to the clamping die 1, and the positioning shaft 107 determining the position of the fixture block.

Specifically, the joint core 2 includes an insert cylinder 202 and an inner cylinder 206, the insert cylinder 202 is a circular tubular structure, a groove 201 is formed on an outer circle portion of one end of the insert cylinder 202, a cylinder cavity 204 is formed inside one end of the insert cylinder 202, which is opposite to the groove 201, the inner cylinder 206 is a circular tubular structure, an inner tube 207 portion of the inner cylinder 206 is located inside the cylinder cavity 204 portion of the insert cylinder 202, the insert cylinder 202 passes through a cylinder through hole 203 formed in the outer circle portion thereof through a screw to enter the cylinder threaded hole 205 to be fixed with the inner cylinder 206, and the joint core 2 is used for supporting an inner space of a hose and determining an inner contour of the hose during buckling.

Specifically, the cartridge 104 and the inner barrel 206 are contoured to the characteristics of the hose.

Specifically, this can eliminate mould in hose clearance, it fixes inside the working chamber of withholding machine to withhold mould 1 eight groups, the eight groups of the during operation of withholding mould 1 inboard arc surface compresses tightly its adjacent hose, and withhold fixture block 104 in the mould 1 will follow the deep hose of impressing, eliminate the clearance between the rubber layer in the steel wire hose and the steel wire layer from this, when meetting the hose of different specifications, the accessible is changed the mode of fixture block 104 and inner tube 207 and is made the adaptability adjustment, joint core 2 is used for propping up the hose inside the hose, let withhold mould 1's power can be used in the inner wall of hose.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A mould capable of eliminating hose clearance comprises a crimping mould (1) and a joint core (2), and is characterized in that: withhold mould (1) and be provided with a plurality of groups, eight groups withhold mould (1) and constitute a tubular structure, withhold the inside joint core (2) that is provided with of tubular structure that mould (1) constitutes, withhold mould (1) and be sectorial rectangular structure for the cross section profile, withhold mould (1) one end and all open opening (103), it has three location blind holes (101) of group and a set of mould screw hole (102) to open on withholding mould (1) the perpendicular of opening (103) inboard, opening (103) inside is provided with partial profile rather than complex fixture block (104), fixture block (104) inside is opened there are three location through-holes of group (105) and a set of piece fixed orifices (106).

2. The mold for eliminating the gap between the hoses according to claim 1, wherein: and a cylindrical structure formed by the buckling and pressing die (1) is arranged in a working cavity of the buckling and pressing machine.

3. The mold for eliminating the gap between the hoses according to claim 1, wherein: positioning shaft (107) are arranged inside positioning through hole (105) of fixture block (104) and positioning blind hole (101) of the withholding die, the profile of positioning shaft (107) is a round shaft-shaped structure, the thread part of positioning shaft (107) is located inside the internal thread hole of positioning blind hole (101), fixture block (104) passes through block fixing hole (106) through the screw to enter die thread hole (102) and is fixed with withholding die (1), hexagonal hole is opened inside one end of positioning shaft (107) back to the thread part.

4. The mold for eliminating the gap between the hoses according to claim 1, wherein: the connector core (2) comprises an inserting cylinder (202) and an inner cylinder (206), the inserting cylinder (202) is of a circular tubular structure, a groove (201) is formed in the outer circle part of one end of the inserting cylinder (202), a cylinder cavity (204) is formed in the end, back to the groove (201), of the inserting cylinder (202), the inner cylinder (206) is of a circular tubular structure, the inner pipe (207) part of the inner cylinder (206) is located in the cylinder cavity (204) part of the inserting cylinder (202), and the inserting cylinder (202) penetrates through a cylinder through hole (203) formed in the outer circle part of the inserting cylinder through a screw to enter the cylinder threaded hole (205) and be fixed with the inner cylinder (206).

5. The mold for eliminating the gap between the hoses according to claim 1, wherein: the cartridge (104) and inner barrel (206) are contoured to the characteristics of the hose.