CN212764479U

CN212764479U - Novel screwdriver handle mould

Info

Publication number: CN212764479U
Application number: CN202020766088.9U
Authority: CN
Inventors: 刘玉东
Original assignee: Foshan Meiyijia Hardware Plastic Products Co ltd
Current assignee: Foshan Meiyijia Hardware Plastic Products Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-03-23
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a novel screwdriver handle mould, including lower die body, mount, footstock and last die body, mount and lower die body fixed connection, footstock and mount top fixed connection, it is located between footstock and the lower die body to go up the die body, it is connected with lower die body lift to go up the die body, be equipped with the die cavity in the die body from top to bottom, die cavity one side is equipped with demoulding mechanism, it is the same with the internal structure of lower die body to go up the die body, the footstock upper end is equipped with fills the aspiration pump, it is connected with gas tube and exhaust tube to fill aspiration pump one side, all be equipped with a check valve on gas tube and the exhaust tube. The utility model discloses an all be equipped with demoulding mechanism on last die body and lower die body, when needs drawing of patterns, can start and fill the aspiration pump and aerify work, send into last die body, the internal connection air cavity of lower mould respectively with gas through the gas-supply pipe in, make in gas enters into the die cavity through the through-hole to can carry out the quick drawing of patterns, drawing of patterns is effectual, convenient to use.

Description

Novel screwdriver handle mould

Technical Field

The utility model relates to a relevant technical field of screwdriver production specifically is a novel screwdriver handle mould.

Background

A screwdriver is a tool used to turn a screw to place it, and typically has a thin wedge-shaped head that fits into a slot or recess in the head of the screw, primarily in-line (negative sign) and cross (positive sign). The common hexagonal screwdriver comprises an inner hexagonal screwdriver and an outer hexagonal screwdriver, and most of screwdriver handles are formed by injection molding through dies in the production process of the existing screwdriver.

However, the existing screwdriver handle mold cannot be rapidly demolded in the injection molding process, the demolding effect is not good, the phenomenon of corner defect or breakage is easy to occur, the product quality is poor, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel screwdriver handle mould to current screwdriver handle mould that mentions in solving above-mentioned background art can not carry out the quick drawing of patterns at the in-process of moulding plastics, and drawing of patterns effect is not good, appears unfilled corner or damaged phenomenon easily, leads to the not good problem of product quality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel screwdriver handle mould, includes die body, mount, footstock and last die body down, mount and lower die body fixed connection, footstock and mount top fixed connection, it is located between footstock and the lower die body to go up the die body, it is connected with lower die body lift to go up the die body, be equipped with the die cavity in the die body from top to bottom, die cavity one side is equipped with demoulding mechanism, it is the same with lower internal structure of die body to go up the die body, the footstock upper end is equipped with fills the aspiration pump, it is connected with gas tube and exhaust tube to fill aspiration pump one side, all be equipped with a check valve on gas tube and the exhaust tube, it is equipped with the gas-supply pipe to fill aspiration pump one side, gas tube and exhaust tube all are connected with the gas.

Preferably, the demoulding mechanism comprises a connecting air cavity and a fixed air cavity, the connecting air cavity is fixedly connected with the bottom end of the mould cavity, the fixed air cavities are provided with two groups, and the two groups of fixed air cavities are communicated with the connecting air cavity through air inlet and outlet holes.

Preferably, two groups of through holes are formed in the bottom end of the die cavity, the two groups of through holes are respectively communicated with the two groups of fixed air cavities, and pistons are arranged in the two groups of fixed air cavities.

Preferably, one end of the gas pipe extends to one side of the lower die body and one side of the upper die body, and the gas pipe is respectively communicated with the connecting gas cavities in the lower die body and the upper die body.

Preferably, an electric push rod is arranged on the lower surface of the top seat, and the extending end of the electric push rod is in contact with the top end of the upper die body.

Preferably, four corners of lower mould body upper surface all set up flutedly, the inside pillar that is equipped with of recess, the pillar top run through the die body and with footstock fixed connection, the cover is equipped with the slip limiting plate on the pillar, the slip limiting plate is located the die body lower extreme, and is equipped with reset spring on the slip limiting plate, reset spring cover is established on the pillar, and reset spring bottom and recess fixed connection.

The utility model provides a novel screwdriver handle mould possesses following beneficial effect:

(1) the utility model discloses an all be equipped with demoulding mechanism on last die body and lower die body, when the needs drawing of patterns, can start to fill the aspiration pump and aerify work, send into last die body respectively with gas through the gas-supply pipe, in the internal connection air cavity of lower mould, the gas in the connection air cavity enters into fixed air cavity through the air inlet and outlet hole, thereby promote the piston emergence displacement in the fixed air cavity and open the through-hole, and enter into the die cavity through the through-hole with gas in, thereby can carry out the quick drawing of patterns, good demoulding effect, convenient to use.

(2) The utility model discloses a cover is equipped with reset spring on the pillar, when the electric push rod shrink, thereby can utilize reset spring to reset die body on the jacking, makes die body and lower die body quickly separating, the drawing of patterns with higher speed, work efficiency is high, convenient to use.

Drawings

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

FIG. 2 is a schematic structural view of a lower mold body of the present invention;

FIG. 3 is a schematic structural view of a cross-sectional view of a lower mold body of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 3 according to the present invention.

In the figure: 1. a lower die body; 2. a fixed mount; 3. a top seat; 4. feeding a mold body; 5. an air charging and pumping pump; 6. an inflation tube; 7. a first check valve; 8. an air exhaust pipe; 9. a return spring; 10. a groove; 11. a pillar; 12. a mold cavity; 13. a sliding limit plate; 14. an electric push rod; 15. a gas delivery pipe; 16. a through hole; 17. a connecting air cavity; 18. a fixed air cavity; 19. air inlet and outlet holes; 20. a piston; 21. a second one-way valve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a novel screwdriver handle mould, includes die body 1, mount 2, footstock 3 and goes up die body 4 down,

mount

2 and 1 fixed connection of die body down,

footstock

3 and 2 top fixed connection of mount, it is located between footstock 3 and the die body 1 down to go up die body 4, it goes up and down 1 lift connection of die body to go up die body 4, be equipped with die cavity 12 in the die body 1 from top to bottom, die cavity 12 one side is equipped with demoulding mechanism, it is the same with 1 inner structure of die body down to go up die

body

4, 3 upper ends of footstock are equipped with fills aspiration pump 5, it is connected with gas tube 6 and exhaust tube 8 to fill aspiration pump 5 one side, all be equipped with first check valve 7 on gas tube 6 and the exhaust tube 8, it is equipped with gas-supply pipe 15 to fill aspiration pump 5 one side, gas tube 6 and exhaust tube 8 all are connected with gas-supply pipe.

The demoulding mechanism comprises a connecting air cavity 17 and a fixed air cavity 18, the connecting air cavity 17 is fixedly connected with the bottom end of the die cavity 12, the fixed air cavities 18 are provided with two groups, the two groups of fixed air cavities 18 are communicated with the connecting air cavity 17 through air inlet and outlet holes 19, so that air in the connecting air cavity 17 can enter the fixed air cavity 18 through the air inlet and outlet holes 19, and a piston 20 in the fixed air cavity 18 is displaced.

Two sets of through holes 16 are formed in the bottom end of the die cavity 12, the two sets of through holes 16 are respectively communicated with the two sets of fixed air cavities 18, pistons 20 are arranged in the two sets of fixed air cavities 18, and therefore air in the connecting air cavity 17 can enter the fixed air cavities 18 through the air inlet and outlet holes 19, the pistons 20 in the fixed air cavities 18 can be displaced, the through holes 16 are opened, and the air in the fixed air cavities 18 can conveniently enter the die cavity 12 for demolding.

One end of the gas pipe 15 extends to one side of the lower die body 1 and one side of the upper die body 4, the gas pipe 15 is respectively communicated with the connecting gas cavities 17 in the lower die body 1 and the upper die body 4, and gas can be respectively sent into the connecting gas cavities 17 in the lower die body 1 and the upper die body 4 by the gas pipe 15, so that the upper die body 1 and the lower die body 4 synchronously perform demoulding operation, and the use is convenient.

The lower surface of the top seat 3 is provided with an electric push rod 14, the extending end of the electric push rod 14 is contacted with the top end of the upper die body 4, and the electric push rod 14 can be used for extending to push the upper die body 4 to move downwards, so that the upper die body 4 and the lower die body 1 are closed to perform injection molding work.

Recess 10 has all been seted up to four corners of lower die body 1 upper surface, the inside pillar 11 that is equipped with of

recess

10, 11 tops of pillar run through last die body 4 and with 3 fixed connection of footstock, the cover is equipped with slip limiting plate 13 on the pillar 11, slip limiting plate 13 is located 4 lower extremes of last die body, and is equipped with reset spring 9 on the slip limiting plate 13, reset spring 9 cover is established on pillar 11, and reset spring 9 bottom and 10 fixed connection of recess, through the cover is equipped with reset spring 9 on pillar 11, when the 14 shrink of electric push rod, can utilize reset spring 9 to reset on the jacking die body 4 and move up to can be fast with last die body 4 and lower die body 1 separation, be convenient for carry out drawing of patterns work, improve drawing of patterns efficiency.

It should be noted that, when the novel screwdriver handle mold works, the electric push rod 14 can be used to extend and push the upper mold body 4 to move downwards, and simultaneously the return spring 9 is contracted to close the upper mold body 4 and the lower mold body 1, then one end of the screwdriver is inserted into the closed upper mold body 4 and the closed lower mold body 1, and simultaneously the air inflation and extraction pump 5 is started to perform air extraction work, so that air is pumped out through the air pipe 15, the piston 20 moves to one side of the air inlet and outlet and blocks the through hole 16, then injection molding work is performed through the injection molding hole formed on the upper mold body 4, the mold cavity 12 is filled, when demolding is required, the air inflation and extraction pump 5 is started to perform air inflation work, so that air is sent into the connecting air cavity 17 through the air pipe 15, the air in the connecting air cavity 17 enters the fixed air cavity 18 through the air inlet and outlet, the piston 20 in the fixed air cavity 18 is displaced, then, gas enters the die cavity 12 through the through hole 16, the formed die is blown to perform demolding work, and meanwhile, the electric push rod 14 is used for shrinkage, and the reset spring 9 jacks the upper die body 4 through the sliding limiting plate 13 to reset, so that the upper die body 4 and the lower die body 1 can be quickly separated, demolding work is facilitated, and demolding efficiency is improved; the utility model discloses drawing of patterns is effectual, and the drawing of patterns is fast, convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The novel screwdriver handle mold is characterized by comprising a lower mold body (1), a fixing frame (2), a top seat (3) and an upper mold body (4), wherein the fixing frame (2) is fixedly connected with the lower mold body (1), the top seat (3) is fixedly connected with the top end of the fixing frame (2), the upper mold body (4) is positioned between the top seat (3) and the lower mold body (1), the upper mold body (4) is connected with the lower mold body (1) in a lifting manner, a mold cavity (12) is arranged in the lower mold body (1), one side of the mold cavity (12) is provided with a demolding mechanism, the inner structures of the upper mold body (4) and the lower mold body (1) are the same, the upper end of the top seat (3) is provided with an air filling and pumping pump (5), one side of the air filling and pumping pump (5) is connected with an air filling pipe (6) and an air pumping pipe (8), the air filling pipe (6) and the air pumping pipe (, and one side of the air inflation and suction pump (5) is provided with an air pipe (15), and the air inflation pipe (6) and the air suction pipe (8) are both connected with the air pipe (15).

2. The novel screwdriver handle die as claimed in claim 1, wherein: the demolding mechanism comprises a connecting air cavity (17) and two fixed air cavities (18), the connecting air cavity (17) is fixedly connected with the bottom end of the mold cavity (12), the two fixed air cavities (18) are arranged in two groups, and the two fixed air cavities (18) are communicated with the connecting air cavity (17) through air inlet and outlet holes (19).

3. The novel screwdriver handle die as claimed in claim 2, wherein: two groups of through holes (16) are formed in the bottom end of the die cavity (12), the two groups of through holes (16) are respectively communicated with the two groups of fixed air cavities (18), and pistons (20) are arranged in the two groups of fixed air cavities (18).

4. The novel screwdriver handle die as claimed in claim 1, wherein: one end of the air conveying pipe (15) extends to one side of the lower die body (1) and one side of the upper die body (4), and the air conveying pipe (15) is communicated with a connecting air cavity (17) in the lower die body (1) and the upper die body (4) respectively.

5. The novel screwdriver handle die as claimed in claim 1, wherein: the lower surface of the top seat (3) is provided with an electric push rod (14), and the extending end of the electric push rod (14) is contacted with the top end of the upper die body (4).

6. The novel screwdriver handle die as claimed in claim 1, wherein: lower die body (1) four corners of upper surface all set up fluted (10), inside pillar (11) that is equipped with of recess (10), pillar (11) top run through last die body (4) and with footstock (3) fixed connection, the cover is equipped with slip limiting plate (13) on pillar (11), slip limiting plate (13) are located die body (4) lower extreme, and are equipped with reset spring (9) on slip limiting plate (13), reset spring (9) cover is established on pillar (11), and reset spring (9) bottom and recess (10) fixed connection.