CN109910247B

CN109910247B - Horizontal handle core-pulling device with deep holes for garden tool

Info

Publication number: CN109910247B
Application number: CN201910325890.6A
Authority: CN
Inventors: 娄骏彬; 李积武; 欧阳青; 刘德军; 纪兰香
Original assignee: Jiaxing University
Current assignee: Jiaxing University
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-12-25
Anticipated expiration: 2039-04-23
Also published as: CN109910247A

Abstract

The utility model provides a horizontal handle device of loosing core of garden instrument with deep hole, which comprises an upper die, the lower mould, installation guide block I around the lower mould left side, guide block I is 8.3 with lower mould central line contained angle at horizontal position, installation main slider I in the guide block I, it has T type groove to process in the middle of the main slider I, T type inslot installation deep hole mold insert, the afterbody of deep hole mold insert matches with the guide part in T type groove, the axial region of deep hole mold insert loops through the location portion and the deep hole mold insert fixed block in T type groove, the deep hole of handle is stretched into to the tip of deep hole mold insert, lower mould place ahead symmetry installation guide block II, installation main slider II. During the drawing of patterns, main slider I moves along guide block I rear left side, and the deep hole mold insert slides along the guide part in T type groove, because the positioning action of deep hole mold insert fixed block, the deep hole mold insert can only move to the left side, and II move to the dead ahead of main slider simultaneously, and the smooth drawing of patterns of final handle. The device effectively solves the problem that the handle with the deep hole and the arc-shaped arm is difficult to demold.

Description

Horizontal handle core-pulling device with deep holes for garden tool

Technical Field

The invention relates to the technical field of mold demoulding, in particular to a garden tool horizontal handle core-pulling device with deep holes.

Background

The diversification of customization product has brought a lot of difficulties for the mould preparation, and the demoulding process after the product shaping especially will be considered in the mould preparation, the handle of using in the gardens maintenance, its both sides have curved part, and open the side direction at top has the deep hole, and one shot forming when moulding plastics will compromise the deep hole simultaneously with the curved part of both sides when the drawing of patterns, is difficult to take out the product smoothly, also causes the damage of product easily.

Disclosure of Invention

Aiming at the defects in the problems, the invention provides the core-pulling device for the horizontal handle of the garden tool with the deep hole.

In order to achieve the purpose, the invention provides a horizontal handle core-pulling device with a deep hole for a garden tool, which comprises an upper die and a lower die, wherein guide blocks I are arranged on the front side and the rear side of the left side of the lower die, an included angle between the guide blocks I and the central line of the lower die in the horizontal position is 8.3 degrees, a main slide block I is arranged in each guide block I, a T-shaped groove is machined in the middle of each main slide block I, a deep hole insert is arranged in each T-shaped groove, the tail part of each deep hole insert is matched with the guide part of the T-shaped groove, the shaft part of each deep hole insert sequentially passes through the positioning part of the T-shaped groove and the deep hole insert fixing block, the end part of each deep hole insert extends into the deep hole of the handle, a guide block II is symmetrically arranged in the front of the lower die, a.

As a further improvement of the invention, the right end of the main sliding block I extends into the space between the arc-shaped arms of the handle, and a notch machined on the right side of the main sliding block I is matched with the neck of the handle.

As a further improvement of the invention, the guide part and the direction of the guide block I form an included angle of 90 degrees.

As a further improvement of the invention, arc-shaped grooves are processed at the upper and lower ends of the right end of the main sliding block I and are matched with the inner side surfaces of the arc-shaped arms.

As a further improvement of the invention, a movable groove is processed in the middle of the deep-hole insert fixing block.

As a further improvement of the invention, the shape of the lug and the groove is matched with the bottom surface formed by the arc-shaped arm and the neck.

The invention has the beneficial effects that:

1. the device solves the problem of demoulding of the two arc-shaped arms by the combination of the two main sliding blocks and the control of the movement direction of the two main sliding blocks;

2. the T-shaped groove in the main sliding block I is arranged, and the deep-hole insert module is smoothly demoulded by means of relative movement of the main sliding block I and the deep-hole insert.

Drawings

FIG. 1 is a top view of a horizontal handle core-pulling device of a garden tool with deep holes, according to the present invention;

FIG. 2 is a front view of a horizontal handle core-pulling device of a garden tool with deep holes, according to the present invention;

FIG. 3 is a schematic diagram of the operation of the horizontal handle core-pulling device of the garden tool with deep holes of the present invention;

FIG. 4 is a detail view of the main slide I of the part 2;

FIG. 5 is a detail view of a deep-hole insert of part 3;

FIG. 6 is a central cross-sectional view of the handle of product 5;

fig. 7 is a detail view of the main slide ii of the component 6.

In the figure: 1. a lower die; 11. a guide block I; 12. a guide block II; 2. a main sliding block I; 21. a T-shaped groove; 211. a guide portion; 222. a positioning part; 22. an arc-shaped slot; 3. a deep hole insert; 31. a tail portion; 32. a shaft portion; 33. an end portion; 4. a deep hole insert fixing block; 41. a movable groove; 5. a handle; 51. deep holes; 52. an arc-shaped arm; 53. a neck portion; 6. a main sliding block II; 61. a bump; 62. a groove; 7. and (5) an upper die.

Detailed Description

As shown in fig. 1 and 2, the horizontal handle core-pulling device with the deep hole for the garden tool according to the embodiment of the invention comprises an upper die 7, a lower die 1, guide blocks i 11 installed on the front and back of the left side of the lower die 1, an included angle of 8.3 degrees between the guide blocks i 11 and the central line of the lower die 1 in the horizontal position, a main slider i 2 installed in the guide blocks i 11, a T-shaped groove 21 formed in the middle of the main slider i 2, a 90-degree included angle formed between the guide portion 211 and the direction of the guide block i 11, arc-shaped grooves 22 formed in the upper and lower ends of the right end of the main slider i 2 and the inner side of the arc-shaped arm 52, a notch formed in the right side of the main slider i 2 and a neck portion 53 of the handle 5, a deep-hole insert 3 installed in the T-shaped groove 21, a tail portion 31 of the deep-hole insert 3 and a guide portion 211 of the T-shaped groove 21, a, a movable groove 41 is formed in the middle of a deep-hole insert fixing block 4, the end portion 33 of a deep-hole insert 3 extends into a deep hole 51 of a handle 5, a guide block II 12 is symmetrically arranged in the front of a lower die 1, a main sliding block II 6 is arranged in the guide block II 12, a convex block 61 is formed at the right end of the rear side of the main sliding block II 6, a groove 62 is formed in the rear side edge of the main sliding block II 6, and the shape formed by the convex block 61 and the groove 62 is matched with the bottom surface formed by an arc-shaped arm 52.

The device solves the problem of demoulding of the two arc-shaped arms by the combination of the two main sliding blocks and the control of the movement direction of the two main sliding blocks; the T-shaped groove in the main sliding block I is arranged, and the deep-hole insert module is smoothly demoulded by means of relative movement of the main sliding block I and the deep-hole insert.

In particular use, the invention will be described with reference to the accompanying drawings for the convenience of understanding;

after injection molding is finished, a handle is molded in a mold, the handle is positioned between an upper mold and a lower mold in a mold closing state, the right end of a main sliding block I is embedded between arc-shaped arms at two sides of the handle, an included angle between the horizontal position of each arc-shaped arm and the central line of the lower mold is 8.3 degrees, a deep hole insert in a T-shaped groove penetrates through a deep hole insert fixing block, the end part of the deep hole insert fixing block extends into a deep hole of the handle, and the rear side of a main sliding block II is matched; during the drawing of patterns, I motion along guide block of master slider, because guide block I is 8.3 with lower mould central line contained angle at horizontal position, I right-hand member of master slider stretches into arc arm portion and can separates smoothly, the guide part and the I orientation of guide block of T type groove become 90 contained angles in I interior main slider, under the positioning action of deep hole mold insert fixed block, the afterbody of deep hole mold insert moves along the guide part in T type groove, the deep hole mold insert can only move toward the left side, deep hole mold insert tip and deep hole separation, II simultaneous forward motions along II directions of guide block of master slider, II trailing flank of master slider separate with the bottom surface that handle arc arm and neck formed, final smooth drawing of patterns.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a horizontal handle device of loosing core of garden instrument with deep hole, includes mould (7), lower mould (1), its characterized in that: the deep-hole mold is characterized in that a guide block I (11) is arranged on the front side and the rear side of the left side of the lower mold (1), an included angle between the horizontal position of the guide block I (11) and the central line of the lower mold (1) is 8.3 degrees, a main slide block I (2) is arranged in the guide block I (11), a T-shaped groove (21) is processed in the middle of the main slide block I (2), a deep-hole mold insert (3) is arranged in the T-shaped groove (21), the tail part (31) of the deep-hole mold insert (3) is matched with the guide part (211) of the T-shaped groove (21), the guide part (211) and the guide block I (11) form an included angle of 90 degrees, the shaft part (32) of the deep-hole mold insert (3) sequentially passes through the positioning part (222) of the T-shaped groove (21) and the deep-hole mold insert fixing block (4), the end part (33) of the deep-hole mold insert (3) extends into a, the utility model discloses a handle, including main slider I (2), lower mould (1), guide block II (12), main slider II (6) are installed to guide block II (12) the symmetry in place ahead, main slider II (6) are installed in guide block II (12), lug (61) have been processed to main slider II (6) rear side right-hand member, main slider II (6) rear side edge department is processed fluted (62).

2. The horizontal handle core-pulling device with the deep hole for the garden tool according to claim 1, is characterized in that: arc-shaped grooves (22) are processed at the upper end and the lower end of the right end of the main sliding block I (2) and are matched with the inner side faces of the arc-shaped arms (52).

3. The horizontal handle core-pulling device with the deep hole for the garden tool according to claim 1, is characterized in that: a movable groove (41) is machined in the middle of the deep-hole insert fixing block (4).

4. The horizontal handle core-pulling device with the deep hole for the garden tool according to claim 1, is characterized in that: the shape of the lug (61) and the groove (62) is matched with the bottom surface formed by the arc-shaped arm (52) and the neck part (53).