CN215512208U - A barrel screw rod for injection moulding device - Google Patents
A barrel screw rod for injection moulding device Download PDFInfo
- Publication number
- CN215512208U CN215512208U CN202122023244.XU CN202122023244U CN215512208U CN 215512208 U CN215512208 U CN 215512208U CN 202122023244 U CN202122023244 U CN 202122023244U CN 215512208 U CN215512208 U CN 215512208U
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- screw head
- screw
- threaded
- rod
- rod body
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A machine barrel screw for injection molding equipment comprises an anti-rotation part, a rod body provided with external threads and a screw head connected with the rod body; a transverse bolt is rotationally connected in the screw head; the head end of the rod body connected with the screw rod is provided with a threaded hole; the end part of the screw head is connected with a threaded connecting column in threaded connection with a threaded hole; the end part of the threaded connecting column is provided with a transverse sliding hole; the anti-rotation part is transversely connected in the transverse sliding hole in a sliding manner; the bottom end of the transverse bolt penetrates through the screw head and is in threaded connection with the anti-rotation part; the bottom of the threaded hole of the rod body is also provided with a connecting groove matched with the anti-rotating piece; after the anti-rotation parts are connected, one end of each anti-rotation part penetrates into the connecting groove, and the other end of each anti-rotation part is located in the transverse sliding hole. The screw head is detachably connected to the rod body, so that the follow-up maintenance and replacement are facilitated.
Description
Technical Field
The utility model relates to a barrel screw for an injection molding device.
Background
The barrel and barrel screw are important parts in injection molding equipment. The machine barrel and the machine barrel screw are matched to work, the machine barrel contains the machine barrel screw, and the machine barrel screw rotates in the machine barrel. When the machine barrel screw rotates to push the plastic to move forwards in the machine barrel, heat is transferred from the outside of the machine barrel to the plastic in the barrel, and the volume of the thread on the machine barrel screw is gradually reduced, so that the plastic in the thread groove is uniformly mixed and plasticated under the action of various forces such as extrusion, turning, shearing and the like, and is gradually melted to be in a viscous flow state while moving towards the front part of the machine barrel, and the plastication of the plastic is completed. The normal cooperation work of barrel and barrel screw rod has guaranteed injection moulding equipment's continuous extrusion molding raw materials shaping production.
The existing machine barrel screw is generally composed of a rod body with external threads and a screw head connected with the rod body, the screw head is a quick-wear part and is easy to damage in the using process, and the existing screw head and the rod body are integrally formed and cannot be independently replaced after being damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a machine barrel screw with a screw head adopting a detachable connection mode.
In order to solve the technical problems, the utility model provides a technical solution of a barrel screw for injection molding equipment, which comprises the following steps:
comprises an anti-rotation part, a rod body provided with external threads and a screw head connected with the rod body; a transverse bolt is rotationally connected in the screw head; the head end of the rod body connected with the screw rod is provided with a threaded hole; the end part of the screw head is connected with a threaded connecting column in threaded connection with a threaded hole; the end part of the threaded connecting column is provided with a transverse sliding hole; the anti-rotation part is transversely connected in the transverse sliding hole in a sliding manner; the bottom end of the transverse bolt penetrates through the screw head and is in threaded connection with the anti-rotation part; the bottom of the threaded hole of the rod body is also provided with a connecting groove matched with the anti-rotating piece; after the anti-rotation parts are connected, one end of each anti-rotation part penetrates into the connecting groove, and the other end of each anti-rotation part is located in the transverse sliding hole.
The transverse bolt comprises a bolt head, a rotating rod connected with the bolt head, a limiting rod connected with the rotating rod and a threaded connecting rod connected with the limiting rod; the rotating rod is rotatably connected with the screw head and is limited in the screw head through the screw head and the limiting rod; the threaded connecting rod is in threaded connection with the anti-rotating part.
The bolt head is provided with a cross-shaped rotary groove.
The tail end of the threaded connecting rod is flush with the tail end of the threaded connecting column.
The end part of the rod body is provided with a first marking bulge; and a second marking protrusion corresponding to the first marking protrusion is arranged on the outer side of the screw head.
And the screw head is provided with a connecting key groove.
The utility model can achieve the technical effects that: the screw head is detachably connected to the rod body, so that the follow-up maintenance and replacement are facilitated.
Drawings
The utility model is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of the barrel screw of an injection molding apparatus of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an exploded view of a barrel screw for an injection molding apparatus of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
FIG. 5 is a schematic view of a rod body;
FIG. 6 is a schematic view of the connection of a barrel screw for an injection molding apparatus of the present invention;
FIG. 7 is an enlarged view of section C of FIG. 6;
FIG. 8 is an enlarged view of section D of FIG. 7;
fig. 9 is an enlarged view of a portion E of fig. 7.
Detailed Description
The utility model is explained in further detail below with reference to the drawings.
See fig. 1-9.
A machine barrel screw for injection molding equipment comprises an anti-rotation part 1, a rod body 2 with external threads and a screw head 3 connected with the rod body 2; a transverse bolt is rotationally connected in the screw head 3; the end of the rod body 2, which is connected with the screw head 3, is provided with a threaded hole 4; the end part of the screw head 3 is connected with a threaded connecting column 5 in threaded connection with the threaded hole 4; the end part of the threaded connecting column 5 is provided with a transverse sliding hole 6; the anti-rotation part 1 is transversely connected in the transverse sliding hole 6 in a sliding manner; the bottom end of the transverse bolt penetrates through the screw head 3 and is in threaded connection with the anti-rotation part 1; the bottom of the threaded hole 4 of the rod body 2 is also provided with a connecting groove 7 matched with the anti-rotating part 1; after the anti-rotation part 1 is connected, one end of the anti-rotation part 1 penetrates into the connecting groove 7, and the other end of the anti-rotation part is located in the transverse sliding hole 6.
Specifically, the transverse bolt comprises a bolt head 11, a rotating rod 12 connected with the bolt head 11, a limiting rod 13 connected with the rotating rod 12 and a threaded connecting rod 14 connected with the limiting rod 13; the rotating rod 12 is rotatably connected with the screw head 3, and the rotating rod 12 is limited in the screw head 3 through the screw head 11 and the limiting rod 13; the threaded connecting rod 14 is in threaded connection with the anti-rotation part 1.
Specifically, the bolt head 11 is provided with a cross-shaped rotary groove 15.
Specifically, the tail end of the threaded connecting rod 14 is flush with the tail end of the threaded connecting column 5.
Specifically, a first marking protrusion 21 is arranged at the end part of the rod body 2; and a second marking protrusion 22 corresponding to the first marking protrusion 21 is arranged on the outer side of the screw head 3.
Specifically, the screw head 3 is provided with a connecting key groove 23.
Instructions for use: in the installation of the utility model, firstly, a threaded connecting column 5 of a screw head 3 is connected with a threaded hole 4 arranged at the end part of a rod body 2 in a threaded manner until the threaded connecting column 5 is screwed tightly on the threaded hole 4 and a transverse sliding hole 6 corresponds to a connecting groove 7, preferably, the end part of the rod body 2 is provided with a first marking protrusion 21, the outer side of the screw head 3 is provided with a second marking protrusion 22 corresponding to the first marking protrusion 21, and when the first marking protrusion 21 and the second marking protrusion 22 are level (refer to figures 1 and 2), the transverse sliding hole 6 corresponds to the connecting groove 7; then, the transverse bolt is rotated, the transverse bolt cannot move transversely due to the limiting of the limiting rod 13 and the bolt head 11, so that the transverse movement of the anti-rotation part 1 can be controlled by rotating the transverse bolt until one end of the anti-rotation part 1 penetrates into the connecting groove 7 and the other end of the anti-rotation part is located in the transverse sliding hole 6 (refer to fig. 7 and 8), at this time, the screw head 3 and the rod body 2 cannot rotate correspondingly, and the bolt head 7 is not easy to loosen; the screw head 3 is fixed on the rod body 2 in a detachable connection mode, so that subsequent maintenance and replacement are facilitated, when the screw head is detached, the transverse bolt is firstly rotated until the anti-rotation part 1 leaves the connecting groove 7, and then the screw head 3 is screwed down. Preferably, the bolt head 11 is provided with a cross-shaped rotary groove 15, and the transverse bolt can be rotated by a cross-shaped screwdriver.
Claims (6)
1. A barrel screw for injection molding equipment which characterized in that: comprises an anti-rotation part (1), a rod body (2) provided with external threads and a screw head (3) connected with the rod body (2); a transverse bolt is rotationally connected in the screw head (3); a threaded hole (4) is formed in the end, connected with the screw head (3), of the rod body (2); the end part of the screw head (3) is connected with a threaded connecting column (5) in threaded connection with the threaded hole (4); the end part of the threaded connecting column (5) is provided with a transverse sliding hole (6); the anti-rotation part (1) is transversely connected in a transverse sliding hole (6) in a sliding manner; the bottom end of the transverse bolt penetrates through the screw head (3) to be in threaded connection with the anti-rotation part (1); the bottom of the threaded hole (4) of the rod body (2) is also provided with a connecting groove (7) matched with the anti-rotation piece (1); after the anti-rotation parts (1) are connected, one end of each anti-rotation part (1) penetrates into the connecting groove (7), and the other end of each anti-rotation part is located in the transverse sliding hole (6).
2. A barrel screw for an injection molding apparatus as claimed in claim 1, wherein: the transverse bolt comprises a bolt head (11), a rotating rod (12) connected with the bolt head (11), a limiting rod (13) connected with the rotating rod (12) and a threaded connecting rod (14) connected with the limiting rod (13); the rotating rod (12) is rotatably connected with the screw head (3), and the rotating rod (12) is limited in the screw head (3) through the screw head (11) and the limiting rod (13); the threaded connecting rod (14) is in threaded connection with the anti-rotation part (1).
3. A barrel screw for an injection molding apparatus as claimed in claim 2, wherein: the bolt head (11) is provided with a cross-shaped rotary groove (15).
4. A barrel screw for an injection molding apparatus as claimed in claim 2, wherein: the tail end of the threaded connecting rod (14) is flush with the tail end of the threaded connecting column (5).
5. A barrel screw for an injection molding apparatus as claimed in claim 1, wherein: a first marking protrusion (21) is arranged at the end part of the rod body (2); and a second marking protrusion (22) corresponding to the first marking protrusion (21) is arranged on the outer side of the screw head (3).
6. A barrel screw for an injection molding apparatus as claimed in claim 1, wherein: and the screw head (3) is provided with a connecting key groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122023244.XU CN215512208U (en) | 2021-08-26 | 2021-08-26 | A barrel screw rod for injection moulding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122023244.XU CN215512208U (en) | 2021-08-26 | 2021-08-26 | A barrel screw rod for injection moulding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215512208U true CN215512208U (en) | 2022-01-14 |
Family
ID=79793674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122023244.XU Active CN215512208U (en) | 2021-08-26 | 2021-08-26 | A barrel screw rod for injection moulding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215512208U (en) |
-
2021
- 2021-08-26 CN CN202122023244.XU patent/CN215512208U/en active Active
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