CN210820611U

CN210820611U - Motor wire sheath mould

Info

Publication number: CN210820611U
Application number: CN201920955395.9U
Authority: CN
Inventors: 刘成新
Original assignee: Guizhou Huafeng Electrical Appliances Co ltd
Current assignee: Guizhou Huafeng Electrical Appliances Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-06-23
Anticipated expiration: 2029-06-24

Abstract

The utility model provides a motor wire sheath mould, including the bottom plate, fixedly connected with stem erectly on the bottom plate, the stem outer peripheral face is around having polylith fan-shaped female mould, and a plurality of fan-shaped female mould centers on constituting frustum shape bed die, is provided with type groove on every female mould, when assembling a plurality of fan-shaped female mould end to end and constitute frustum shape bed die, constitutes the die cavity with the stem outer peripheral face after the corresponding connection in type groove. Adopt the technical scheme of the utility model, through split into a plurality of singlets negative module with integral bed die, when injecting raw and other materials to the die cavity when the shaping within, raw and other materials and each singlets negative module between area of contact is little, and fashioned protecting wire cover is attached to the probability on singlets negative module surface and significantly reduces, after raw and other materials cool off the shaping within the die cavity, makes finished product protecting wire cover take out from the interior drawing of patterns of mould die cavity easily, the utility model has the advantages of spare part is small in quantity, and manufacturing process is simple, low in manufacturing cost.

Description

Motor wire sheath mould

Technical Field

The utility model belongs to the technical field of the supplementary mechanical device of building engineering, especially, relate to a motor wire sheath mould.

Background

The motor is a common power device in electromechanical equipment or devices, all cables (12) used for providing electric energy for the motor or sending control commands need to extend out through a motor shell (13), in order to prevent the cables (12) from being scratched and broken in the daily storage or transfer process of the motor, a cable protection sleeve (11) is needed to be used for fixing the cables (12), the cable protection sleeve (11) is generally made of rubber materials, the structure and the connection structure of the cable protection sleeve and the motor cables (12) are schematically shown in figure 1, in the prior art, the cable protection sleeve (11) is generally manufactured by an integral injection molding process, a corresponding injection mold structure is shown in figure 2, the injection mold comprises a lower cover plate (7) and a lower seat plate (8), the lower cover plate (7) and the lower seat plate (8) are connected in a laminated mode, and a material pulling column (6) is vertically clamped and connected between the lower cover plate (7) and the lower seat plate (8), The core column (2) and the lower seat plate (8) are fixedly connected with a female die (9) and an upper cover plate (10) in a stacked mode in sequence, a cavity (31) is formed in the female die (9), raw materials are injected into the cavity (31) and then melted through heating and pressurizing, and finally the cavity (31) is cooled and formed to obtain the wire sheath (11).

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a motor protecting wire cover mould.

The utility model discloses a following technical scheme can realize.

The utility model provides a motor wire sheath mould, comprising a base plate, fixedly connected with stem erectly on the bottom plate, the stem outer peripheral face is around having polylith fan platform shape female mould, and a plurality of fan platform shape female mould are around constituting frustum shape bed die, are provided with type groove on every female mould, when assembling a plurality of fan platform shape female mould end to end and constitute frustum shape bed die, after the corresponding connection in type groove with the stem outer peripheral face constitutes the die cavity.

The motor wire sheath die further comprises a female die sleeve, wherein a frustum hole communicated with the upper surface and the lower surface of the female die sleeve is formed in the female die sleeve, and the frustum hole is mutually sleeved with the peripheral surface of the frustum-shaped female die.

The number of the negative modules is even number.

The female die block is made of alloy tool steel with the grade of CrWMn.

The surface of the female die block is quenched.

The distance between the upper surface of the female die sleeve and the upper surface of the frustum-shaped female die is not less than 0.1 mm.

And the fit clearance between the core column and the female die is less than 0.015 mm.

The core column is made of medium carbon steel with the grade of 45 #.

The number of the cavities is two, and the cavities are arranged in a stacked mode along the axial direction of the core column.

The beneficial effects of the utility model reside in that: by adopting the technical proposal of the utility model, the integral female die is divided into a plurality of single female die blocks, when the raw material is injected into the cavity for molding, the contact area between the raw material and each single female die block is small, the probability that the molded wire sheath is attached to the surface of the single female die block is greatly reduced, after the raw materials are cooled and formed in the cavity, the finished product of the wire sheath is easy to demould and take out from the cavity of the die, in addition, the bed die outer peripheral face that each negative mould piece was assembled to be constituteed links together through bell mouth wall registrate with the bed die cover, has reduced fit clearance, makes fashioned protect line cover overall dimension precision higher, in addition, the utility model provides a mould spare part is small in quantity, and manufacturing is simple, is favorable to reducing mould manufacturing cost, shortens mould manufacturing cycle, has satisfied the demand of protect line cover mass production task.

Drawings

Fig. 1 is a schematic view of a connection structure of a wire sheath and a motor housing according to the present invention;

FIG. 2 is a schematic structural view of a wire sheath injection molding mold in the prior art;

fig. 3 is a schematic structural diagram of the present invention;

figure 4 is a schematic view of the connection of the present invention to a heated press in use.

In the figure: 1-bottom plate, 2-core column, 3-female module, 4-female die sleeve, 5-hopper, 6-material pulling column, 7-lower cover plate, 8-lower seat plate, 9-female die, 10-upper cover plate, 11-wire protecting sleeve, 12-cable, 13-motor shell and 31-cavity.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 3 and 4, the utility model provides a motor wire sheath mould, including bottom plate 1, fixedly connected with stem 2 erects on the bottom plate 1, 2 outer peripheral faces of stem are around having polylith fan-shaped female mould 3, and a plurality of fan-shaped female mould 3 are around constituting frustum shape bed die, are provided with the type groove on every female mould 3, when assembling into frustum shape bed die with 3 end to end connections of a plurality of fan-shaped female mould, constitute die cavity 31 with 2 outer peripheral faces of stem after the corresponding connection in type groove.

By adopting the technical proposal of the utility model, the integral female die is divided into a plurality of single female die blocks, when the raw material is injected into the cavity for molding, the contact area between the raw material and each single female die block is small, the probability that the molded wire sheath is attached to the surface of the single female die block is greatly reduced, after the raw materials are cooled and formed in the cavity, the finished product of the wire sheath is easy to demould and take out from the cavity of the die, in addition, the bed die outer peripheral face that each negative mould piece was assembled to be constituteed links together through bell mouth wall registrate with the bed die cover, has reduced fit clearance, makes fashioned protect line cover overall dimension precision higher, in addition, the utility model provides a mould spare part is small in quantity, and manufacturing is simple, is favorable to reducing mould manufacturing cost, shortens mould manufacturing cycle, has satisfied the demand of protect line cover mass production task.

Further, the motor wire protecting sleeve die further comprises a female die sleeve 4, a frustum hole communicated with the upper surface and the lower surface of the female die sleeve is arranged in the female die sleeve 4, and the frustum hole and the peripheral surface of the frustum-shaped female die are mutually sleeved. Adopt the technical scheme of the utility model, the bed die outer peripheral face that constitutes is assembled to each female mould piece links together through bell mouth wall registrate with the bed die cover, has reduced fit clearance, makes fashioned protecting wire cover overall dimension precision higher.

In addition, the number of female modules 3 is preferably even. The female die block 3 is made of alloy tool steel with the grade of CrWMn. The surface of the female die block 3 is quenched. The distance between the upper surface of the female die sleeve 4 and the upper surface of the frustum-shaped female die is not less than 0.1 mm. Adopt the technical scheme of the utility model, when 4 upper surfaces of bed die cover are higher for frustum shape bed die upper surface, make frustum shape bed die registrate in the bed die cover more closely easily, be convenient for improve the overall dimension precision of shaping protecting wire cover.

Furthermore, the fit clearance between the stem 2 and the female die 9 is less than 0.015 mm. The stem 2 is made of medium carbon steel with the grade of 45 #. The cavities 31 are two in number and are arranged stacked axially along the stem 2.

In addition, when the utility model is used for manufacturing the wire sheath, the manufacturing method is carried out according to the following steps:

the method comprises the following steps: firstly, heating the motor wire sheath mold to an initial temperature by using a heating press, then taking down the motor wire sheath mold, and removing all impurities in the cavity 31; preferably the initial temperature is 160 ℃.

Step two: placing a hopper 5 on the motor wire sheath mold, placing a proper amount of solid granular raw materials in the hopper 5, heating the motor wire sheath mold and the hopper 5 to a mold pressing temperature by using a heating press, applying proper forming pressure to the motor wire sheath mold by using the heating press, and carrying out the next step after the raw materials are filled in the cavity 31 after a proper holding time; the preferred molding temperature is 160 ℃. The molding pressure is 35 to 40 tons. The holding time is 8min to 10 min. The raw material is butadiene acrylonitrile rubber.

Step three: and (3) taking the motor wire sheath die from the heating press, and obtaining the motor wire sheath 11 from the cavity 31 after the motor wire sheath die is cooled.

Adopt the technical scheme of the utility model, at the protective wire cover manufacturing shaping in-process, at first under the high temperature condition to all debris and attachments within the die cavity, further reduced the probability that shaping protective wire cover surface adheres to on the die cavity inner wall, make the protective wire cover more easy drawing of patterns take out after the shaping, in addition, each spare part structural shape of constituteing the mould is simple, manufacturing is convenient, the process cycle of making and installing of mould has been shortened greatly, manufacture and establish the technology basis for the batch production of beating of protective wire cover.

Claims

1. The utility model provides a motor wire sheath mould which characterized in that: including bottom plate (1), erect ground fixedly connected with stem (2) on bottom plate (1), stem (2) outer peripheral face is around having polylith fan-shaped negative mould piece (3), and a plurality of fan-shaped negative mould pieces (3) are around constituting frustum shape bed die, are provided with type groove on every negative mould piece (3), when assembling a plurality of fan-shaped negative mould pieces (3) end to end and constitute frustum shape bed die, behind the type groove corresponding connection with stem (2) outer peripheral face constitutes die cavity (31).

2. The motor wire sheath mold according to claim 1, wherein: the motor wire sheath die further comprises a female die sleeve (4), wherein a frustum hole communicated with the upper surface and the lower surface of the female die sleeve (4) is formed in the female die sleeve, and the frustum hole and the peripheral surface of the frustum-shaped female die are mutually sleeved.

3. The motor wire sheath mold according to claim 1, wherein: the number of the female modules (3) is even.

4. The motor wire sheath mold according to claim 1, wherein: the female module (3) is made of alloy tool steel with the grade of CrWMn.

5. The motor wire sheath mold according to claim 4, wherein: the surface of the female die block (3) is quenched.

6. The motor wire sheath mold according to claim 2, wherein: the distance between the upper surface of the female die sleeve (4) and the upper surface of the frustum-shaped female die is not less than 0.1 mm.

7. The motor wire sheath mold according to claim 1, wherein: the fit clearance between the core column (2) and the female die (9) is less than 0.015 mm.

8. The motor wire sheath mold according to claim 1, wherein: the core column (2) is made of medium carbon steel with the grade of 45 #.

9. The motor wire sheath mold according to claim 1, wherein: the cavities (31) are two in number and are arranged in a stacked manner in the axial direction of the stem (2).