CN218876182U

CN218876182U - Injection molding mechanism for normally closed door magnetic switch

Info

Publication number: CN218876182U
Application number: CN202222683671.5U
Authority: CN
Inventors: 王强超; 金多友
Original assignee: Focus Sensing And Control Technology Co ltd
Current assignee: Focus Sensing And Control Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-04-18
Anticipated expiration: 2032-10-12

Abstract

The utility model relates to an injection molding machine technical field just discloses a mechanism of moulding plastics for magnetic switch of type that closes, including base, montant, motor, the device of moulding plastics, switch die and heating device, the last fixed surface of base is connected with the montant, montant top fixedly connected with motor, one side fixedly connected with of montant device of moulding plastics, and the below of the device of moulding plastics is provided with switch die, and the inside of base is provided with heating device. The utility model discloses a design, the eccentric disc that drives it and link to each other rotates through the motor rotation, thereby make eccentric disc extrusion diaphragm slide in the inside of case of moulding plastics, reset spring plays the effect that resets, impress the raw materials through the baffle in the head of moulding plastics, when the diaphragm is gliding downwards, drive the screw rod downwards and take place rotatory in the inside of fixing base and pour into the mould with the even head of moulding plastics through of raw materials into, prevent that the raw materials overstock from blockking up to the head of moulding plastics, influence work efficiency, can improve the quality of product simultaneously.

Description

Injection molding mechanism for normally closed door magnetic switch

Technical Field

The utility model relates to an injection molding machine technical field specifically is a mechanism of moulding plastics is used to closed type door magnetic switch.

Background

At present, injection molding is the most effective plastic molding method, an injection molding machine occupies a very important position in plastic molding machinery, china is the largest world production country, the yield accounts for more than 70% of the world annual yield, and the injection molding machine is a molding device for manufacturing thermoplastic plastics or thermosetting plastics into various required shapes by utilizing a molding die and can maintain the original material performance of plastic products.

The Chinese utility model patent with the publication number of CN205818374U discloses an injection molding mechanism, which comprises a charging barrel, a shooting table front plate, an injection line rail seat front bracket, an injection line rail seat rear bracket, a shooting table rear plate, an integral shifting line rail and an integral shifting oil cylinder; the injection platform front plate is connected with an injection line rail seat, the injection line rail is fixed on the injection line rail seat, and the injection platform rear plate is connected on the injection line rail in a sliding manner; the front end of a glue injection piston rod of a glue injection cylinder in the front plate of the injection platform is connected to the rear plate of the injection platform, the whole line moving rail is fixed on a rack of the injection molding machine, and an injection line rail seat is connected to the whole line moving rail in a sliding manner; the injection line rail seat or the injection platform front plate is driven by the displacement oil cylinder.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the injection head of the existing injection molding machine is blocked due to foreign matters or unmelted materials, so that residual raw materials are adhered to the inner wall and are not easy to clean, frequent cleaning and replacement are needed in the use process, and the work efficiency is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a mechanism of moulding plastics for normal close type door magnetic switch possesses advantages such as prevent to mould plastics first jam and even heating, has solved work efficiency slow and influence the fashioned problem of mould.

(II) technical scheme

For the purpose of realizing above-mentioned work efficiency of accelerating and improving product quality, the utility model provides a following technical scheme: the utility model provides a mechanism of moulding plastics for magnetic switch of type door that closes, includes base, montant, motor, the device of moulding plastics, switch die and heating device, the last fixed surface of base is connected with the montant, montant top fixedly connected with motor, one side fixedly connected with device of moulding plastics of montant, the below of the device of moulding plastics is provided with switch die, the inside of base is provided with heating device, the device of moulding plastics includes injection moulding box, hopper, eccentric disc, diaphragm, reset spring, baffle, the head of moulding plastics, fixing base and screw rod, one side fixedly connected with hopper of the case of moulding plastics, the top of the case of moulding plastics runs through there is the eccentric disc, the inside sliding connection of the case of moulding plastics has the diaphragm, the last fixed surface of diaphragm is connected with reset spring, the bottom fixedly connected with baffle of the case of moulding plastics, the bottom fixedly connected with head of baffle, the top fixedly connected with fixing base of the head of moulding plastics, the inside meshing of fixing base has the screw rod.

Preferably, heating device includes bevel gear, transmission shaft, carousel, pull rod, bracing piece, spout and heating block, bevel gear's surface meshing has the transmission shaft, the bottom fixedly connected with carousel of transmission shaft, the lower surface swing joint of carousel has the pull rod, the one end fixedly connected with bracing piece of pull rod, the bottom sliding connection of bracing piece has the spout, the top fixedly connected with heating block of bracing piece.

Preferably, the eccentric disc is fixedly connected with the output end of the motor, and the eccentric disc and the transverse plate are arranged correspondingly.

Preferably, the head of moulding plastics is corresponding setting with switch die, the surface of screw rod is provided with flexible protective housing, and screw rod and diaphragm fixed connection, and the protection screw rod of being convenient for prevents to receive the hindrance of raw materials, influences the meshing effect, reduces work efficiency.

Preferably, the pulley is installed to the bottom of bracing piece, and the bracing piece run through with the base, replace sliding friction with rolling friction, reduce the frictional force between bracing piece and the spout, improve to slide and imitate for work efficiency.

Preferably, the transmission shaft penetrates through the upper end and the lower end of the vertical rod, and the heating block is arranged corresponding to the bottom of the switch die.

(III) advantageous effects

Compared with the prior art, the utility model provides a mechanism of moulding plastics for normal close type door magnetic switch possesses following beneficial effect:

1. this normally closed type door magnetic switch is with mechanism of moulding plastics, it rotates to drive the eccentric disc that links to each other with it through the motor rotation, thereby make eccentric disc extrusion diaphragm slide in the inside of the case of moulding plastics, reset spring plays the effect that resets, pass through the baffle with the raw materials and impress in the head of moulding plastics, when the diaphragm gliding downwards, drive the screw rod downwards and take place the rotation in the inside of fixing base and inject into the mould with the even head of moulding plastics that passes through of raw materials, prevent that the raw materials overstock from blockking up the head of moulding plastics, influence work efficiency, can improve the quality of product simultaneously.

2. This normally closed type door magnetic switch is with mechanism of moulding plastics drives bevel gear rotatory when rotating through the motor to make the transmission shaft of meshing rotate, and then the carousel that drives the bottom takes place rotatoryly, and the pulling pull rod drives the bracing piece and slides in the inside of spout, thereby makes the bracing piece drive the heating piece on top and remove about switch die's below, heats switch die, prevents that inside is heated inhomogeneously, causes the local solidification, influences the qualification rate of product.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of the structure of the joint between the turntable and the pull rod of the present invention.

Wherein: 1. a base; 2. a vertical rod; 3. a motor; 4. an injection molding device; 401. injection molding a box; 402. a hopper; 403. an eccentric disc; 404. a transverse plate; 405. a return spring; 406. a baffle plate; 407. an injection molding head; 408. a fixed seat; 409. a screw; 5. opening and closing the mold; 6. a heating device; 601. a bevel gear; 602. a drive shaft; 603. a turntable; 604. a pull rod; 605. a support bar; 606. a chute; 607. and heating the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-3, an injection molding mechanism for a normally closed door magnetic switch comprises a base 1, a vertical rod 2, a motor 3, an injection molding device 4, a switch mold 5 and a heating device 6, wherein the vertical rod 2 is fixedly connected to the upper surface of the base 1, the motor 3 is fixedly connected to the top end of the vertical rod 2, the injection molding device 4 is fixedly connected to one side of the vertical rod 2, the switch mold 5 is arranged below the injection molding device 4, the heating device 6 is arranged inside the base 1, the injection molding device 4 comprises an injection molding box 401, a hopper 402, an eccentric disc 403, a transverse plate 404, a return spring 405, a baffle 406, an injection molding head 407, a fixed seat 408 and a screw 409, the hopper 402 is fixedly connected to one side of the injection molding box 401, the top of case 401 of moulding plastics runs through there is eccentric disc 403, eccentric disc 403 and motor 3's output fixed connection, and eccentric disc 403 and diaphragm 404 are corresponding setting, the inside sliding connection who moulds plastics case 401 has diaphragm 404, the last fixed surface of diaphragm 404 is connected with reset spring 405, the bottom fixedly connected with baffle 406 of case 401 of moulding plastics, the bottom fixedly connected with of baffle 406 moulds plastics head 407, it is corresponding setting with switch mold 5 to mould plastics head 407, the top fixedly connected with fixing base 408 of the head 407 of moulding plastics, the inside meshing of fixing base 408 has screw rod 409, the surface of screw rod 409 is provided with flexible protective housing, and screw rod 409 and diaphragm 404 fixed connection.

Through the technical scheme, the motor 3 rotates to drive the eccentric disc 403 connected with the motor to rotate, so that the eccentric disc 403 extrudes the transverse plate 404 to slide in the injection molding box 401, the reset spring 405 plays a reset effect, the raw material is pressed into the injection molding head 407 through the baffle 406, and the transverse plate 404 slides downwards and drives the screw rod 409 to downwards rotate to uniformly inject the raw material into the switch mold 5.

Example 2, this example differs from example 1 in that:

specifically, the heating device 6 includes a bevel gear 601, a transmission shaft 602, a rotating disc 603, a pull rod 604, a support rod 605, a sliding groove 606 and a heating block 607, the surface of the bevel gear 601 is meshed with the transmission shaft 602, the transmission shaft 602 penetrates through the upper end and the lower end of the vertical rod 2, the bottom fixedly connected with rotating disc 603 of the transmission shaft 602, the lower surface of the rotating disc 603 is movably connected with the pull rod 604, one end fixedly connected with support rod 605 of the pull rod 604, a pulley is installed at the bottom of the support rod 605, the support rod 605 penetrates through the base 1, the bottom of the support rod 605 is slidably connected with the sliding groove 606, the top of the support rod 605 is fixedly connected with the heating block 607, and the heating block 607 and the bottom of the switch mold 5 are correspondingly arranged.

Through the technical scheme, the motor 3 rotates and simultaneously drives the bevel gear 601 to rotate, so that the meshed transmission shaft 602 rotates and further drives the turntable 603 at the bottom to rotate, the pull rod 604 is pulled to drive the supporting rod 605 to slide in the sliding groove 606, and the supporting rod 605 drives the heating block 607 at the top end to move left and right below the switch die 5.

The working principle is as follows: during operation, operating personnel adds the raw materials to the inside of case 401 of moulding plastics through hopper 402, then control motor 3 and rotate, motor 3 rotates and drives the eccentric disc 403 that links to each other and rotates, thereby make eccentric disc 403 extrude diaphragm 404 and slide in the inside of case 401 of moulding plastics, reset spring 405 plays the reset effect, impress the raw materials into through baffle 406 in the head 407 of moulding plastics, diaphragm 404 is gliding downwards, drive screw rod 409 downwards and take place to rotate in the inside of fixing base 408 with even the injecting plastics head 407 injection of raw materials into switch mould 5 through the head 407, prevent that the raw materials overstock from blockking up to the head 407 of moulding plastics, influence work efficiency, motor 3 pivoted drives bevel gear 601 rotatory simultaneously, thereby make the transmission shaft 602 of meshing rotate, and then drive the carousel 603 of bottom and take place to rotate, pulling pull rod 604 and drive bracing piece 605 and slide in the inside of spout 606, thereby make bracing piece 605 drive the heating piece 607 on top move about the below switch mould 5, heat switch mould 5, prevent that the inside from being heated inhomogeneously.

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 utility model provides a mechanism of moulding plastics for normal close type door magnetic switch, includes base (1), montant (2), motor (3), injection moulding device (4), switch die utensil (5) and heating device (6), its characterized in that: the last fixed surface of base (1) is connected with montant (2), montant (2) top fixedly connected with motor (3), one side fixedly connected with of montant (2) moulds plastics device (4), the below of moulding plastics device (4) is provided with switch die (5), the inside of base (1) is provided with heating device (6), the device (4) of moulding plastics is including moulding plastics case (401), hopper (402), eccentric disc (403), diaphragm (404), reset spring (405), baffle (406), the head (407) of moulding plastics, fixing base (408) and screw rod (409), one side fixedly connected with hopper (402) of moulding plastics case (401), the top of moulding plastics case (401) is run through eccentric disc (403), the inside sliding connection of the case (401) of moulding plastics has diaphragm (404), the last fixed surface of diaphragm (404) is connected with reset spring (405), the bottom fixedly connected with baffle (406) of moulding plastics case (401), the bottom fixedly connected with of baffle (406) is moulded plastics head (407), the top fixedly connected with fixing base (407) of the head (407) of moulding plastics, the top fixedly connected with fixing base (408) of the fixing base (408) has the screw rod (409) meshing.

2. The injection molding mechanism for the normally closed type door magnetic switch according to claim 1, characterized in that: heating device (6) include bevel gear (601), transmission shaft (602), carousel (603), pull rod (604), bracing piece (605), spout (606) and heating block (607), the surface meshing of bevel gear (601) has transmission shaft (602), the bottom fixedly connected with carousel (603) of transmission shaft (602), the lower surface swing joint of carousel (603) has pull rod (604), the one end fixedly connected with bracing piece (605) of pull rod (604), the bottom sliding connection of bracing piece (605) has spout (606), the top fixedly connected with heating block (607) of bracing piece (605).

3. The injection molding mechanism for the normally closed type door magnetic switch according to claim 1, characterized in that: the eccentric disc (403) is fixedly connected with the output end of the motor (3), and the eccentric disc (403) and the transverse plate (404) are arranged correspondingly.

4. The injection molding mechanism for the normally closed type door magnetic switch according to claim 1, characterized in that: the injection molding head (407) and the switch mold (5) are arranged correspondingly, the surface of the screw rod (409) is provided with a telescopic protective shell, and the screw rod (409) is fixedly connected with the transverse plate (404).

5. The injection molding mechanism for the normally closed type door magnetic switch according to claim 2, characterized in that: the bottom of the supporting rod (605) is provided with a pulley, and the supporting rod (605) penetrates through the base (1).

6. The injection molding mechanism for the normally closed type door magnetic switch according to claim 2, characterized in that: the transmission shaft (602) penetrates through the upper end and the lower end of the vertical rod (2), and the heating block (607) and the bottom of the switch die (5) are arranged correspondingly.