CN108908880B

CN108908880B - Injection mold for household appliance shell

Info

Publication number: CN108908880B
Application number: CN201810687309.0A
Authority: CN
Inventors: 汪帮友; 张�雄; 孔维波
Original assignee: Chuzhou Zhiding Electromechanical Technology Co ltd
Current assignee: Chuzhou Zhiding Electromechanical Technology Co ltd
Priority date: 2018-06-28
Filing date: 2018-06-28
Publication date: 2020-06-30
Anticipated expiration: 2038-06-28
Also published as: CN108908880A

Abstract

The invention discloses an injection mold for a household appliance shell, which comprises a lower mold and an upper mold arranged right above the lower mold, wherein a forming cavity is formed in the top of the lower mold, a sliding groove is formed in the middle of the forming cavity in the length direction of the forming cavity, a channel penetrating through the lower mold and having a length-type structure is formed in the bottom of the sliding groove, a supporting plate with a U-shaped structure is connected in the sliding groove in a sliding mode, a buffering mechanism fixedly connected with the inner side wall of the bottom of the channel is installed at the bottom of the supporting plate, cooling channels located in the lower mold are formed in two sides of the bottom of the sliding groove, a water inlet channel located in the lower mold is formed in one end of each cooling channel. The injection molding machine is simple in structure, reduces the control flow of the injection molding machine, integrates the cooling function of the workpiece and the ejection function of the workpiece on the injection mold, is convenient for injection molding of the workpiece, and is convenient for taking out an injection molding product.

Description

Injection mold for household appliance shell

Technical Field

The invention relates to the technical field of injection molds, in particular to an injection mold for a household appliance shell.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the heated and melted plastic is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an injection mold for a household appliance shell.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an injection mold for domestic appliance shell, includes the lower mould and sets up the last mould directly over the lower mould, the shaping cavity has been seted up at the top of lower mould, and the spout that sets up along its length direction is seted up to the intermediate position of shaping cavity, and the bottom position of spout sets up the passageway of the length type structure that runs through the lower mould, and the inside sliding connection of spout has the layer board of U type structure, the buffer gear who with passageway bottom inside wall fixed connection is installed to the bottom of layer board, and the cooling channel who is located the lower mould inside is seted up to spout bottom both sides, and the inhalant canal who is located the lower mould inside is seted up to cooling channel's one end, and the other end of cooling channel sets up the drainage channel who is located the lower mould inside, and the mounting.

Preferably, control mechanism include with mounting groove sliding connection's regulating block, set up the through-hole that runs through the regulating block on the regulating block, the bottom welding of regulating block has the spring of contradicting bottom the mounting groove, the cross section of mounting groove is T type structure, the cross section of regulating block is T type structure.

Preferably, a touch rod located right above the installation groove is welded below one side, close to the installation groove, of the upper die.

Preferably, the transition passageway that sets up along vertical direction is seted up to one side that the mounting groove was kept away from to the spout, the inside sliding connection of transition passageway have with layer board fixed connection's push rod, go up the mould and install the push pedal of L type structure near one side below of push rod.

Preferably, one end of the water inlet channel extending out of the lower die is connected with a water inlet pipeline, one end of the water drainage channel extending out of the lower die is connected with a water outlet pipeline, and the water outlet pipeline is provided with a water pump.

Preferably, buffer gear includes the sleeve with passageway bottom inside wall fixed connection, and telescopic top activity cup joints the movable rod with layer board fixed connection, and buffer spring is installed to the telescopic one end that the movable rod stretches into.

The invention has the beneficial effects that:

through the lower mould that sets up, go up mould, shaping cavity, spout, passageway, layer board, buffer gear, transition passageway, push rod, drainage channel, cooling channel, inhalant canal, mounting groove, control mechanism, push pedal and conflict pole for this design simple structure has reduced the control flow of injection molding machine, and with the cooling of work piece and the ejecting function integration of work piece on injection mold, the convenience is moulded plastics the work piece, and the convenience is taken out injection moulding product.

Drawings

Fig. 1 is a schematic structural diagram of an injection mold for a housing of a household appliance according to the present invention;

fig. 2 is a top view of a lower mold of an injection mold for a housing of a household appliance according to the present invention.

In the figure: the device comprises a lower die 1, an upper die 2, a forming cavity 3, a sliding chute 4, a channel 5, a supporting plate 6, a buffer mechanism 7, a transition channel 8, a push rod 9, a drainage channel 10, a cooling channel 11, a water inlet channel 12, a mounting groove 13, a control mechanism 14, a push plate 15 and a touch rod 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, an injection mold for a household appliance shell comprises a lower mold 1 and an upper mold 2 arranged right above the lower mold 1, wherein a forming cavity 3 is arranged at the top of the lower mold 1, a chute 4 arranged along the length direction of the forming cavity 3 is arranged at the middle position of the forming cavity 3, a channel 5 of a length type structure penetrating through the lower mold 1 is arranged at the bottom position of the chute 4, a supporting plate 6 of a U-shaped structure is connected in a sliding manner inside the chute 4, a buffer mechanism 7 fixedly connected with the inner side wall of the bottom of the channel 5 is arranged at the bottom of the supporting plate 6, cooling channels 11 arranged inside the lower mold 1 are arranged at two sides of the bottom of the chute 4, a water inlet channel 12 arranged inside the lower mold 1 is arranged at one end of each cooling channel 11, a water drainage channel 10 arranged inside the lower mold 1 is arranged at the other, a control mechanism 14 is mounted inside the mounting groove 13.

The control mechanism 14 comprises an adjusting block which is connected with the mounting groove 13 in a sliding manner, a through hole which penetrates through the adjusting block is formed in the adjusting block, a spring which is abutted against the bottom of the mounting groove 13 is welded at the bottom of the adjusting block, the cross section of the mounting groove 13 is of a T-shaped structure, a touch rod 16 which is positioned right above the mounting groove 13 is welded below one side, close to the mounting groove 13, of the upper die 2, a transition passage 8 which is arranged along the vertical direction is formed in one side, far away from the mounting groove 13, of the sliding groove 4, a push rod 9 which is fixedly connected with the supporting plate 6 is connected inside the transition passage 8 in a sliding manner, a push plate 15 which is of an L-shaped structure is installed below one side, close to the push rod 9, of the upper die 2, one end, extending out of the lower die 1, of the water inlet passage 12 is connected with a water inlet pipeline, one, the top of the sleeve is movably sleeved with a movable rod fixedly connected with the supporting plate 6, and one end of the movable rod extending into the sleeve is provided with a buffer spring.

The working principle is as follows: when the injection molding machine is used, the lower die 1 is installed on a base of the injection molding machine, the upper die 2 is connected with an output end of a pressure end hydraulic machine of the injection molding machine, when the injection molding is performed, the upper die 2 moves downwards, then a contact rod 16 on the upper die extends into an installation groove 13, meanwhile, a regulating block is pushed downwards, so that a through hole on the regulating block is separated from a water inlet channel 12, the regulating block blocks the water inlet channel 12, then a water pump on a water outlet pipeline on a drainage channel 10 pumps cooling water in the lower die 1, simultaneously, the push plate 15 pushes a push rod 9 on a transition channel 8 to move downwards along with the downward movement of the upper die 2, then a supporting plate 6 moves downwards, when the injection molding is completed, the upper die 2 rises at any time, a buffer spring in a buffer mechanism 7 lifts the supporting plate 6, so that a workpiece is ejected out of the lower die 1, and the regulating block, the cooling water enters the cooling channel 11 in the lower die 1 for cooling, the design structure is simple, the control flow of the injection molding machine is reduced, the cooling function of the workpiece and the ejection function of the workpiece are integrated on the injection mold, the workpiece is conveniently injected and an injection molding product is conveniently taken out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An injection mold for a household appliance shell comprises a lower mold (1) and an upper mold (2) arranged right above the lower mold (1), and is characterized in that a forming cavity (3) is formed at the top of the lower mold (1), a chute (4) arranged along the length direction of the forming cavity (3) is formed in the middle of the forming cavity, a channel (5) penetrating through the length type structure of the lower mold (1) is formed in the bottom of the chute (4), a supporting plate (6) of a U-shaped structure is connected to the inside of the chute (4) in a sliding manner, a buffer mechanism (7) fixedly connected with the inner side wall of the bottom of the channel (5) is installed at the bottom of the supporting plate (6), cooling channels (11) located inside the lower mold (1) are formed in two sides of the bottom of the chute (4), a water inlet channel (12) located inside the lower mold (1) is formed in one end of each cooling channel (11), and a water drainage channel (10) located, the top of one side of the lower die (1) is provided with a mounting groove (13) communicated with the water inlet channel (12), and a control mechanism (14) is arranged in the mounting groove (13); control mechanism (14) include with mounting groove (13) sliding connection's regulating block, set up the through-hole that runs through the regulating block on the regulating block, the bottom welding of regulating block has the spring of contradicting bottom mounting groove (13), the cross section of mounting groove (13) is T type structure, and the cross section of regulating block is T type structure.

2. An injection mould for household appliance housings as claimed in claim 1, characterized in that a contact rod (16) is welded under the side of the upper mould (2) close to the mounting groove (13) and directly above the mounting groove (13).

3. An injection mold for a household appliance shell as claimed in claim 1, wherein a transition channel (8) is formed in the vertical direction at one side of the chute (4) far from the mounting groove (13), a push rod (9) fixedly connected with the support plate (6) is connected in the transition channel (8) in a sliding manner, and a push plate (15) with an L-shaped structure is mounted below one side of the upper mold (2) close to the push rod (9).

4. An injection mold for household appliance housings as claimed in claim 1, wherein a water inlet pipe is connected to one end of the water inlet channel (12) extending out of the lower mold (1), a water outlet pipe is connected to one end of the water discharge channel (10) extending out of the lower mold (1), and a water pump is installed on the water outlet pipe.

5. An injection mold for household appliance housings as claimed in claim 1, wherein the buffer mechanism (7) comprises a sleeve fixedly connected with the inner side wall of the bottom of the channel (5), a movable rod fixedly connected with the support plate (6) is movably sleeved on the top of the sleeve, and a buffer spring is installed at one end of the movable rod extending into the sleeve.