Leak-proof structure for cooling hole cracking and assembly jig thereof

Abstract

The utility model discloses a leakproof structure for cooling hole cracking and an assembling jig thereof, the leakproof structure comprises a structure main body, the structure main body is composed of a sealing section and an extrusion section, and the sealing section is connected with the extrusion section; a plurality of deformation structures are arranged on the sealing section and are arranged on the outer wall of the sealing section in parallel; the inner wall of the extrusion section is provided with an internal thread used for extruding the sealing section. By means of the mode, according to the anti-leakage structure for cooling hole cracking and the assembling jig of the anti-leakage structure, the anti-leakage structure is installed at the cracking position of the cooling hole, leakage can be prevented when the cooling hole cracks, the mold maintenance cost is reduced, the mold maintenance time is shortened, the service life of a mold is prolonged, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a die casting mould field especially a kind of anti-leakage structure and assembling jig for cooling hole cracking. BACKGROUND

[0002] The cooling hole in die casting mould is to effectively control the temperature of mould, ensure that mould can be kept in the optimum temperature range during casting, thereby improve the quality of casting and production efficiency, and it is crucial to improve the quality of casting, prolong the life of mould and improve production efficiency to design and maintain the cooling hole of die casting mould.

[0003] After cooling hole cracking leaks, when cooling hole cracking position can be welded, still need to be processed after welding, and processing procedure is complicated, repair cycle is long, easy to crack again, need to repair repeatedly, when cooling hole cracking position cannot be welded, only cooling water can be cancelled, thereby affecting die casting product quality and production efficiency, when mould cooling hole cracks in multiple places, the mould cannot be used, causing great waste, and production cost is improved. SUMMARY

[0004] The utility model mainly solves the technical problem to provide a kind of anti-leakage structure and assembling jig for cooling hole cracking, can prevent the leakage when cooling hole cracks.

[0005] To solve the above technical problems, one technical scheme of the utility model is provided: provide a kind of anti-leakage structure and assembling jig for cooling hole cracking, including structure main body, the structure main body is composed of sealing section and extrusion section, the sealing section and the extrusion section are connected;

[0006] A plurality of extrusion structures are provided on the sealing section, and a plurality of extrusion structures are arranged in parallel on the outer wall of the sealing section.

[0007] Internal threads for extruding the sealing section are provided on the inner wall of the extrusion section.

[0008] In a preferred embodiment of the utility model, the number of extrusion structures is two.

[0009] In a preferred embodiment of the utility model, the extrusion structure includes two grooves and a protrusion, and the two grooves are symmetrically arranged on both sides of the protrusion.

[0010] In a preferred embodiment of the utility model, the inner wall of the sealing section at the center of the groove is provided with a notch.

[0011] To solve the technical scheme, an assembling jig for the structure is also provided, including a fixed backing plate and a screw rod, and a nut is installed on the screw rod after penetrating the fixed backing plate.

[0012] In a preferred embodiment of the utility model, a support rod is installed opposite the fixed base plate and the nut.

[0013] The utility model discloses the beneficial effect is: a kind of for the leakage-proof structure and assembly fixture of cooling hole cracking of the utility model, the leakage-proof structure is installed at the cracking of cooling hole, can prevent leakage when cooling hole cracks, reduce mould maintenance cost, shorten mould maintenance time, prolong mould service life, reduce production cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view before a kind of leakage-proof structure and assembly fixture for cooling hole cracking are installed.

[0015] Figure 2 It is Figure 1 It is a local enlarged view of A.

[0016] Figure 3 It is a front view after a kind of leakage-proof structure and assembly fixture for cooling hole cracking are installed.

[0017] Figure 4 It is the change diagram of a kind of leakage-proof structure and assembly fixture for cooling hole cracking before and after recess installation.

[0018] Figure 5 It is a schematic diagram when a kind of leakage-proof structure and assembly fixture for cooling hole cracking are installed.

[0019] The marks of components in the drawings are as follows: 1, sealing section;2, extrusion section;3, recess;4, protruding block;5, cutout;6, fixed base plate;7, screw;8, support rod;9, nut;10, cooling hole. DETAILED DESCRIPTION

[0020] The preferred embodiment of the utility model is described in detail below, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, so as to make the protection scope of the utility model more clear and explicit.

[0021] According to Figures 1 to 5 , a kind of leakage-proof structure and assembly fixture for cooling hole cracking are provided, including structure main body, the structure main body is composed of sealing section 1 and extrusion section 2, the sealing section 1 and the extrusion section 2 are connected, the extrusion section 2 is used for the sealing section 1 extrusion, so that the sealing section 1 is sealed to the cracking place of cooling hole 10.

[0022] The sealing section 1 is provided with a plurality of extrusion structures, a plurality of the extrusion structures are arranged in parallel on the outer wall of the sealing section 1, the extrusion structure is deformed to expand outward to block the two sides of the crack of the cooling hole 10.

[0023] The inner wall of the extrusion section 2 is provided with an internal thread for extruding the sealing section 1, the internal thread cooperates with the screw rod 7, and the screw rod 7 is tightened to make the extrusion section 2 retract backward to block the two sides of the crack of the cooling hole 10.

[0024] In the embodiment, the number of the extrusion structure is two.

[0025] The structure body is made of aluminum to facilitate the deformation of the sealing section 1.

[0026] The extrusion structure includes two grooves 3 and a protrusion 4, the two grooves 3 are symmetrically arranged on both sides of the protrusion 4, the groove 3 is deformed by the extrusion of the extrusion section 2 to eject the protrusion 4, so that the protrusion 4 tightly abuts the outer wall of the cooling hole 10 to block the two sides of the crack of the cooling hole 10.

[0027] The inner wall of the sealing section 1 at the center of the groove 3 is provided with a cutout 5, the cutout 5 is used to ensure that the groove 3 only expands outward when the anti-leakage structure is installed.

[0028] In the embodiment, the length of the structure body is 42.5mm, the length of the sealing section 1 is 34.5mm, the opening width of the groove 3 is 3mm, the inclination angle of the side wall is 10°, the depth of the cutout 5 is 0.05mm, the angle of the cutout 5 is 90°, the width of the protrusion is 2mm, and the distance between the two extrusion structures is 12mm.

[0029] To solve the technical scheme, an assembly jig for the structure is also provided, which includes a fixed backing plate 6 and a screw rod 7, the screw rod 7 penetrates the fixed backing plate 6 and is provided with a nut 9, a support rod 8 is arranged opposite to the nut 9 on the fixed backing plate 6, the support rod 8 is used to prevent the structure body from retreating and rotating during installation, so that the sealing section 1 is normally extruded to ensure the sealing quality, and since the cracking positions of the cooling hole 10 are different, appropriate support rods 8 are selected according to the actual situation to make the two extrusion structures located on both sides of the cracking position.

[0030] During installation, firstly, the screw rod 7 is selected and installed on the fixed base plate 6, then the structure body is installed on one end of the screw rod 7 through the internal thread, the support rod 8 is selected and clamped between the structure body and the fixed base plate 6, then the support rod 8 is inserted into the cooling hole 10, so that the cracking position is located between the two extrusion structures, the nut 9 is screwed by using a torque wrench, so that the screw rod 7 is tightened, the structure body is retracted backward, so that the groove 3 is deformed, the protruding block 4 is pushed out, the protruding block 4 is tightly attached to the outer wall of the cooling hole 10, and the two sides of the cracking position of the cooling hole 10 are respectively blocked, thereby playing a sealing effect.

[0031] Compared with the prior art, the anti-leakage structure for the cracking of the cooling hole and the assembling jig thereof are installed at the cracking position of the cooling hole, can prevent leakage when the cooling hole cracks, reduce mold maintenance cost, shorten mold maintenance time, prolong mold service life, and reduce production cost.

[0032] The die-casting factory without mold maintenance capability can use the anti-leakage structure for mold maintenance, which is convenient and fast.

[0033] The mold cooling hole uses water pressure up to 2.0Mpa, and no water leakage phenomenon occurs.

[0034] In the description of the utility model, it should be explained that the components are general standard components or components known by those skilled in the art, the structure and principle thereof can be known by the technical personnel through the technical manual or through the conventional test method, the terms "up", "down", "left", "right", "inside", "outside" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model.

[0035] The above-mentioned is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion obtained by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A leak-tight structure for cooling hole cracking, characterized by, The utility model relates to a sealing structure of a sealing device, including structural main part, structural main part is by sealing section and extrusion section, sealing section and extrusion section are connected; Sealing section is equipped with a plurality of extrusion structures, a plurality of extrusive structures are parallelly arranged on the outer wall of the sealing section; The inner wall of the extrusion section is provided with an internal thread for extruding the sealing section.

2. A leak-tight structure for cooling hole cracking according to claim 1, wherein The number of extrusion structures is two.

3. The leak-tight structure for cooling hole cracking according to claim 2, wherein The extrusion structure includes two grooves and a protrusion, and the two grooves are symmetrically arranged on both sides of the protrusion.

4. The leak-tight structure for cooling hole cracking according to claim 3, wherein The inner wall of the sealing section at the center of the groove is provided with a cutout.

5. An assembly jig for the structure of claim 1, wherein The utility model relates to a sealing structure of a sealing device, including fixed base plate and screw rod, screw rod is installed with a nut after penetrating fixed base plate.

6. The assembly fixture of claim 5, wherein, A support rod is installed opposite the nut on the fixed base plate.

Images