CN210126261U - Plastic injection cylinder for screw of injection molding machine - Google Patents
Plastic injection cylinder for screw of injection molding machine Download PDFInfo
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- CN210126261U CN210126261U CN201920177513.8U CN201920177513U CN210126261U CN 210126261 U CN210126261 U CN 210126261U CN 201920177513 U CN201920177513 U CN 201920177513U CN 210126261 U CN210126261 U CN 210126261U
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- cylinder
- injection molding
- screw
- molding machine
- nozzle
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Abstract
The utility model provides a plastic cylinder is annotated to injection molding machine screw rod, including outer barrel and interior steel casing, form the aqueous medium passageway between outer barrel and the interior steel casing, the one end lateral wall of outer barrel link up and has seted up water intake pipe, the other end lateral wall of outer barrel link up and has seted up outlet conduit, interior steel casing outer fringe is provided with a plurality of water proof rings, the inner wall of interior steel casing can be dismantled and be provided with the bush, the front end of outer barrel has the feed cylinder head through first ring flange fixed mounting, the feed cylinder head can be dismantled and be connected with the nozzle, the tail end of outer barrel has a feed cylinder through second ring flange fixed mounting, the tip of feed cylinder is provided with the injection seat subassembly, the injection seat subassembly includes the bearing frame, be provided with the shaft coupling in the bearing frame. The utility model discloses can realize carrying, stirring and melting the material.
Description
Technical Field
The utility model relates to a technical field of moulding plastics, concretely relates to plastic cylinder is annotated to injection molding machine screw rod.
Background
An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold, and is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. The injection moulding machine is similar to the injection syringe, and is a technological process in which the plasticized molten plastic is injected into a closed mould cavity by means of the thrust of a screw (or a plunger), and the product is obtained after solidification and shaping. All need be accomplished by reinforced barrel at ration reinforced and melting plastify process, consequently reinforced barrel is an important part of injection molding machine, because injection molding machine reinforced barrel section of thick bamboo wall is provided with heating device and makes injection molding machine section of thick bamboo wall high temperature, and then leads to the feeder hopper high temperature to easily lead to appearing "bridging" phenomenon when adding solid material, and then leads to the feeder hopper to block up for production can not normally go on.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to solve the problem of providing an injection molding machine screw rod annotates a plastic section of thick bamboo.
In order to solve the technical problem, the utility model discloses a technical scheme is: a plastic injection cylinder for a screw of an injection molding machine comprises an outer cylinder and an inner steel sleeve, wherein a water medium channel is formed between the outer cylinder and the inner steel sleeve, a water inlet pipeline is communicated with one end side wall of the outer cylinder, a water outlet pipeline is communicated with the other end side wall of the outer cylinder, the water inlet pipeline and the water outlet pipeline are communicated with the water medium channel, a plurality of water-proof rings are arranged at the outer edge of the inner steel sleeve, a lining is detachably arranged on the inner wall of the inner steel sleeve, a cylinder head is fixedly arranged at the front end of the outer cylinder through a first flange plate, a nozzle is detachably connected with the cylinder head, a feeding cylinder is fixedly arranged at the tail end of the outer cylinder through a second flange plate, an injection seat assembly is arranged at the end part of the feeding cylinder and comprises a bearing seat, a coupler is arranged in the bearing seat, one end of, the other end of the coupler is connected with a screw, the nozzle, the material barrel head, the outer machine barrel and the feeding barrel are communicated, and the nozzle, the material barrel head, the outer machine barrel and the feeding barrel are coaxially arranged.
Preferably, the outer edge of the outer cylinder is uniformly provided with a plurality of heating rings.
Preferably, the nozzle and the barrel head are connected together through threads, and the barrel head is connected with the inner steel sleeve and the bushing through a fixing bolt.
Preferably, a feed hopper is arranged on one end side wall of the feed cylinder in a penetrating manner.
Preferably, the tip of feed cylinder head is provided with concave type breach, the nozzle is provided with the installation department, the nozzle outer fringe is provided with the installation apical ring, the installation department with concave type breach threaded connection makes the installation apical ring with feed cylinder head position offsets.
Preferably, the length dimension of the mounting portion matches the depth dimension of the concave indentation.
Preferably, the bearing seat is uniformly provided with a plurality of reinforcing rib plates.
The utility model has the advantages and positive effects that:
(1) the end part of the charging barrel head is provided with a concave notch, the nozzle is provided with an installation part, the outer edge of the nozzle is provided with an installation top ring, the installation part is in threaded connection with the concave notch, so that the installation top ring is abutted against the position of the charging barrel head, the nozzle can be smoothly installed on the charging barrel head through threaded matching between the concave notch and the installation part, and the nozzle is convenient to install quickly.
(2) The feeding hopper is arranged on the side wall of one end of the feeding cylinder in a penetrating mode, the shape of the feeding hopper is an asymmetric structure, and the asymmetric structure enables a contact angle between a material and a screw to be large and a contact area to be large, so that feeding efficiency is improved, and the problem of bridging cavities is solved; in addition, because the operating temperature of a feeding barrel, an outer barrel and a barrel head is different, water circulation cooling treatment needs to be carried out on the water medium channel, and through the cooperation between the water inlet pipeline and the water outlet pipeline, the serious problem that the production and processing are affected by material blockage easily caused by the material during blanking is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of a screw plastic injection cylinder of an injection molding machine of the present invention;
FIG. 2 is a top partial cross-sectional view of an injection molding machine screw injection molding barrel of the present invention;
FIG. 3 is a schematic side view of a screw plastic injection cylinder of an injection molding machine according to the present invention;
FIG. 4 is a top view structural diagram of a feed hopper of an injection molding machine screw plastic injection cylinder of the present invention;
in the figure: 1-an outer cylinder; 2-inner steel jacket; 3-an aqueous medium channel; 4-a water inlet pipeline; 5-water outlet pipeline; 6-water-proof ring; 7-a bushing; 8-a first flange; 9-a charging barrel head; 10-a nozzle; 11-a second flange; 12-a feed cylinder; 13-an injection seat assembly; 14-a bearing seat; 15-reinforcing plate; 16-a heating ring; 17-a fixing bolt; 18-concave indentations; 19-a mounting portion; 20-installing a top ring; 21-a feed hopper.
Detailed Description
For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.
As shown in fig. 1 to 4, the utility model provides a plastic injection cylinder for a screw of an injection molding machine, which comprises an outer cylinder 1 and an inner steel sleeve 2, an aqueous medium channel 3 is formed between the outer cylinder 1 and the inner steel sleeve 2, a water inlet pipeline 4 is communicated with one end side wall of the outer cylinder 1, a water outlet pipeline 5 is communicated with the other end side wall of the outer cylinder 1, the water inlet pipeline 4 and the water outlet pipeline 5 are both communicated with the aqueous medium channel 3, a plurality of water-proof rings 6 are arranged at the outer edge of the inner steel sleeve 2, a lining 7 is detachably arranged on the inner wall of the inner steel sleeve 2, a cylinder head 9 is fixedly arranged at the front end of the outer cylinder 1 through a first flange 8, a nozzle 10 is detachably connected with the cylinder head 9, a feed cylinder 12 is fixedly arranged at the tail end of the outer cylinder 1 through a second flange 11, an injection seat component 13 is arranged at the end of the feed cylinder 12, the injection seat assembly 13 comprises a bearing seat 14, a coupler is arranged in the bearing seat 14, one end of the coupler is connected with an oil cylinder, the other end of the coupler is connected with a screw, the nozzle 10, the material cylinder head 9, the outer machine cylinder 1 and the feeding cylinder 12 are communicated, and the nozzle 10, the material cylinder head 9, the outer machine cylinder 1 and the feeding cylinder 12 are coaxially arranged. The coupler is driven to rotate by the operation of the oil cylinder, and the coupler drives the screw rod at the other end of the bearing seat to rotate as one end of the coupler is connected with the oil cylinder, at the moment, an operator sends solid materials into the feeding cylinder 12 through the feeding hopper 21, and the solid materials entering the feeding cylinder 12 are continuously pushed forward along with the screw rod. Because this device during operation is in the heating state, and feeding barrel 12, outer barrel 1 and feed cylinder head 9 operating temperature are different, need carry out hydrologic cycle cooling treatment at aqueous medium passageway 3, avoid the material to cause the material to block up the serious problem that influences production and processing easily when the unloading to and the molten material gathering can cause "anti-gluey" problem at the discharge gate of device.
Further, a plurality of heating rings 16 are uniformly arranged on the outer edge of the outer machine barrel 1, and heat is transferred to the material through the wall surface of the material barrel by the aid of the heating rings 16, so that the material is melted.
Further, the nozzle 10 is connected with the charging barrel head 9 through threads, and the charging barrel head 9 is connected with the inner steel sleeve 2 and the lining 7 through a fixing bolt 17.
Further, the one end lateral wall of a feeding section of thick bamboo 12 link up and is provided with feeder hopper 21, and the shape of feeder hopper 21 sets up to asymmetric structure, and this kind of asymmetric structure can make the contact angle of material and screw rod bigger, and area of contact is big to be favorable to improving feed efficiency, be difficult for producing the problem in bridging cavity.
Further, the tip of feed cylinder head 9 is provided with concave notch 18, nozzle 10 is provided with installation department 19, nozzle 10 outer fringe is provided with installation apical ring 20, installation department 19 with concave notch 18 threaded connection makes installation apical ring 20 with feed cylinder head 9 position offsets, can install nozzle 10 on feed cylinder head 9 through the screw thread matching between concave notch 18 and the installation department 19.
Further, the length dimension of the mounting portion 19 matches with the depth dimension of the concave notch 18, so that the mounting top ring 20 can be abutted against the position of the material barrel head 9, and the nozzle 10 can be conveniently and smoothly mounted on the material barrel head 9.
Further, the bearing seat 14 is uniformly provided with a plurality of reinforcing rib plates 15, and the reinforcing rib plates 15 mainly play a role in reinforcing the stability of the bearing seat 14.
The utility model discloses a theory of operation and working process as follows: when the pre-molding is carried out, the oil cylinder works to drive the coupler to rotate, one end of the coupler is connected with the oil cylinder, the coupler drives the screw rod at the other end of the bearing seat to rotate, at the moment, an operator sends solid materials into the feeding barrel 12 through the feeding hopper 21, the solid materials entering the feeding barrel 12 are continuously pushed forward along with the screw rod, the heating ring 16 transfers heat to the materials through the wall surface of the feeding barrel, the materials are heated and are plasticized and melted under the double action of rotary shearing of the screw rod, the materials are continuously heated and softened and finally become a melting viscous flow state, the melted materials flow into the front end of the screw rod and generate back pressure around the screw rod, the back pressure enables the screw rod to move backwards to measure the melted materials, the screw rod is enabled to move forwards rapidly under the driving of the oil cylinder during injection, and the. Because this device during operation is in the heating state, and feeding barrel 12, outer barrel 1 and feed cylinder head 9 operating temperature are different, need carry out hydrologic cycle cooling treatment at aqueous medium passageway 3, avoid the material to cause the material to block up the serious problem that influences production and processing easily when the unloading, and the gathering of molten material can cause "anti-gluey" problem at the discharge gate of device. Therefore, the water inlet pipeline 4 and the water outlet pipeline 5 are both provided with valves, when the heating ring 16 starts to work, the valves are opened to enable the water inlet pipeline 4 to be communicated with water, and as the water inlet pipeline 4 and the water outlet pipeline 5 are both communicated with the aqueous medium channel 3, water enters the aqueous medium channel 3 through the water inlet pipeline 4 to absorb the heat of the cylinder wall of the outer machine barrel 1 and is discharged through the water outlet pipeline 5, so that a water circulation cooling process is formed, and the smooth proceeding of the material injection molding processing process is ensured.
When the screw rotates, materials rub against the inner wall of the feeding barrel 12, the inner wall of the lining 7, the inner wall of the barrel head 9 and the materials and move mutually, the forward propulsion of the materials is the result of the movement combination, and the heat generated by the friction is absorbed to improve the temperature of the materials to melt the materials, a separation type screw is adopted, namely, three thread sections with different thread depths are arranged on the outer edge of the screw, the three thread sections are a blanking section, a compression section and a metering section in sequence, the blanking section refers to the initial section of the screw where the materials contact with the screw, the screw rotates and stirs the materials simultaneously to achieve the purpose of uniform mixing, the compression section refers to the middle section of the screw where the materials reach, the thread depth of the screw is gradually changed at the moment, the materials are sheared, melted and plasticized along with the rotation of the screw, and the metering section is the last section of the screw where the, close to the nozzle 10, the material is completely and uniformly plasticized at this time, and the injection operation of the mold according to the metered amount is waited, so that the plasticizing quality of the material is greatly improved.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (7)
1. The plastic injection cylinder for the screw of the injection molding machine is characterized by comprising an outer cylinder (1) and an inner steel sleeve (2), wherein a water medium channel (3) is formed between the outer cylinder (1) and the inner steel sleeve (2), a water inlet pipeline (4) is formed by penetrating the side wall of one end of the outer cylinder (1), a water outlet pipeline (5) is formed by penetrating the side wall of the other end of the outer cylinder (1), the water inlet pipeline (4) and the water outlet pipeline (5) are communicated with the water medium channel (3), a plurality of water-isolating rings (6) are arranged at the outer edge of the inner steel sleeve (2), a lining (7) is detachably arranged on the inner wall of the inner steel sleeve (2), a cylinder head (9) is fixedly arranged at the front end of the outer cylinder (1) through a first flange plate (8), a nozzle (10) is detachably connected to the cylinder head (9), a feeding cylinder (12) is fixedly arranged at the tail end of the outer cylinder (1) through a second flange plate (11), the end of the feeding cylinder (12) is provided with an injection seat assembly (13), the injection seat assembly (13) comprises a bearing seat (14), a coupler is arranged in the bearing seat (14), one end of the coupler is connected with an oil cylinder, the other end of the coupler is connected with a screw rod, the nozzle (10), the cylinder head (9), the outer cylinder (1) and the feeding cylinder (12) are communicated, and the nozzle (10), the cylinder head (9), the outer cylinder (1) and the feeding cylinder (12) are coaxially arranged.
2. The plastic injection cylinder of a screw of an injection molding machine according to claim 1, characterized in that the outer periphery of the outer cylinder (1) is uniformly provided with a plurality of heating rings (16).
3. The plastic injection molding machine screw barrel according to claim 1, wherein the nozzle (10) is screwed to the barrel head (9), and the barrel head (9) is connected to the inner steel sleeve (2) and the bushing (7) by a fixing bolt (17).
4. The plastic injection molding machine screw barrel of claim 3, wherein a feed hopper (21) is provided through one end side wall of the feed cylinder (12).
5. The screw plastic injection cylinder of an injection molding machine according to claim 1 or 4, characterized in that a concave notch (18) is arranged at the end of the cylinder head (9), the nozzle (10) is provided with a mounting part (19), a mounting top ring (20) is arranged at the outer edge of the nozzle (10), and the mounting part (19) is in threaded connection with the concave notch (18) so that the mounting top ring (20) is abutted against the cylinder head (9).
6. The injection molding machine screw plastic injection molding barrel of claim 5, characterized in that the length dimension of the mounting portion (19) matches the depth dimension of the concave notch (18).
7. The screw plastic injection cylinder of an injection molding machine according to claim 1, wherein the bearing seat (14) is uniformly provided with a plurality of reinforcing rib plates (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177513.8U CN210126261U (en) | 2019-01-30 | 2019-01-30 | Plastic injection cylinder for screw of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177513.8U CN210126261U (en) | 2019-01-30 | 2019-01-30 | Plastic injection cylinder for screw of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210126261U true CN210126261U (en) | 2020-03-06 |
Family
ID=69660419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920177513.8U Expired - Fee Related CN210126261U (en) | 2019-01-30 | 2019-01-30 | Plastic injection cylinder for screw of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210126261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653919A (en) * | 2021-03-30 | 2022-06-24 | 上海胜桀精密机械科技有限公司 | Die casting machine charging barrel with heating device |
-
2019
- 2019-01-30 CN CN201920177513.8U patent/CN210126261U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653919A (en) * | 2021-03-30 | 2022-06-24 | 上海胜桀精密机械科技有限公司 | Die casting machine charging barrel with heating device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200306 Termination date: 20220130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |