CN217258150U - Screw for injection molding machine - Google Patents
Screw for injection molding machine Download PDFInfo
- Publication number
- CN217258150U CN217258150U CN202220505089.7U CN202220505089U CN217258150U CN 217258150 U CN217258150 U CN 217258150U CN 202220505089 U CN202220505089 U CN 202220505089U CN 217258150 U CN217258150 U CN 217258150U
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- rod
- screw
- connecting rod
- threaded
- connecting seat
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A screw for an injection molding machine comprises a screw head, a rod sleeve and a connecting rod; the outer side of the rod sleeve is provided with a screw edge, and the upper end of the rod sleeve is connected with a connecting seat; the upper end of the screw head is connected with a vertical fixed rod; the rod sleeve is sleeved on the vertical fixed rod, and the vertical fixed rod is connected with the connecting seat through a bolt; the lower end of the rod sleeve is abutted against the upper part of the screw head; the upper end of the connecting seat is provided with a threaded connecting hole; the connecting rod is in threaded connection with the threaded connecting hole; when the connecting rod is in threaded connection with the threaded connecting hole, the bottom end of the connecting rod abuts against the upper end of the bolt; still be connected with the locking mechanism who is used for preventing that the connecting rod is not hard up between connecting rod and the connecting seat. The utility model discloses the spiral shell arris is located the rod cover outside, and the rod cover adopts and to dismantle the connection, when the damage appears in the spiral shell arris, change alone the rod cover can, do not need the overall change.
Description
Technical Field
The utility model relates to a screw rod for injection molding machine.
Background
An injection molding machine is also known as an injection molding machine or an injection machine; it is the main molding equipment which makes the thermoplastic plastics or the thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die; the method is divided into a vertical type, a horizontal type and a full-electric type; the screw and the cylinder are core components of the plastic molding equipment, are parts for heating, extruding and plasticizing and are the core of the plastic machine.
The existing screw of the injection molding machine generally comprises a screw head and a screw integrally formed with the screw head, a screw ridge is arranged on the outer side of the screw, and when the screw ridge is damaged, the whole screw needs to be replaced, which is relatively wasteful.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is exactly in order to solve and provide a screw rod technical problem that can change the rod cover alone when the damage appears in the spiral shell arris.
In order to solve the technical problem, the utility model relates to a technical solution for screw rod of injection molding machine does:
comprises a screw head, a rod sleeve and a connecting rod; the outer side of the rod sleeve is provided with a screw edge, and the upper end of the rod sleeve is connected with a connecting seat; the upper end of the screw head is connected with a vertical fixing rod; the rod sleeve is sleeved on the vertical fixed rod, and the vertical fixed rod is connected with the connecting seat through a bolt; the lower end of the rod sleeve is abutted against the upper part of the screw head; the upper end of the connecting seat is provided with a threaded connecting hole; the connecting rod is in threaded connection with the threaded connecting hole; when the connecting rod is in threaded connection with the threaded connecting hole, the bottom end of the connecting rod abuts against the upper end of the bolt; still be connected with the locking mechanism who is used for preventing the connecting rod not hard up between connecting rod and the connecting seat.
The anti-loosening mechanism comprises a spring and an anti-loosening steel ball; the outer side of the connecting rod is provided with a mounting blind hole; the spring and the anti-loosening steel ball are placed in the mounting blind hole; the inner side of the connecting seat is provided with a limiting groove matched with the anti-loosening steel ball, and the outer side of the connecting seat is provided with a through hole communicated with the limiting groove; when the connecting rod is installed, the anti-loosening steel balls are abutted to the limiting grooves through springs.
The outer side of the upper end of the connecting rod is provided with a key groove.
And driving surfaces are arranged on two sides of the vertical fixing rod.
The bolt comprises a screw rod and a bolt head connected to the upper end of the screw rod; the lower end of the screw rod penetrates through the connecting seat to be in threaded connection with the vertical fixing rod, and the bolt head is positioned at the bottom of the threaded connecting hole; when the connecting rod is in threaded connection with the threaded connection hole, the bottom end of the connecting rod abuts against the upper end of the bolt head.
The utility model discloses the technological effect that can reach is: the utility model discloses the spiral shell arris is located the rod cover outside, and the rod cover adopts can dismantle the connection, when the spiral shell arris appears damaging, change alone the rod cover can, do not need the whole change.
Drawings
The invention will be described in further detail with reference to the following drawings and detailed description:
FIG. 1 is a schematic structural view of a screw for an injection molding machine according to the present invention;
fig. 2 is a cross-sectional view of a screw for an injection molding machine of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is an enlarged view of section C of FIG. 2;
fig. 6 is an exploded view of a screw for an injection molding machine according to the present invention.
Detailed Description
The present invention will be further explained in detail with reference to the accompanying drawings.
See fig. 1-6.
A screw for an injection molding machine comprises a screw head 1, a rod sleeve 2 and a connecting rod 3; the outer side of the rod sleeve 2 is provided with a screw edge 4, and the upper end of the rod sleeve 2 is connected with a connecting seat 5; the upper end of the screw head 1 is connected with a vertical fixing rod 6; the rod sleeve 2 is sleeved on the vertical fixing rod 6, and the vertical fixing rod 6 is connected with the connecting seat 5 through a bolt 7; the lower end of the rod sleeve 2 is abutted against the upper part of the screw head 1; the upper end of the connecting seat 5 is provided with a threaded connecting hole 8; the connecting rod 3 is in threaded connection with the threaded connecting hole 8; when the connecting rod 3 is in threaded connection with the threaded connecting hole 8, the bottom end of the connecting rod 3 abuts against the upper end of the bolt 7; and a locking mechanism for preventing the connecting rod 3 from loosening is also connected between the connecting rod 3 and the connecting seat 5.
Specifically, the anti-loosening mechanism comprises a spring 11 and an anti-loosening steel ball 12; a mounting blind hole 13 is formed in the outer side of the connecting rod 3; the spring 11 and the anti-loosening steel ball 12 are placed in the mounting blind hole 13; a limiting groove 14 matched with the anti-loosening steel ball 12 is formed in the inner side of the connecting seat 5, and a through hole 15 communicated with the limiting groove 14 is formed in the outer side of the connecting seat 5; when the connecting rod 3 is installed, the anti-loosening steel ball 12 is abutted to the limiting groove 14 through the spring 11.
Specifically, a key groove 21 is formed in the outer side of the upper end of the connecting rod 3.
Specifically, both sides of the vertical fixing rod 6 are provided with driving surfaces 22.
Specifically, the bolt 7 comprises a threaded rod 23 and a bolt head 24 connected to the upper end of the threaded rod 23; the lower end of the screw rod 23 penetrates through the connecting seat 5 to be in threaded connection with the vertical fixing rod 6, and the bolt head 24 is positioned at the bottom of the threaded connecting hole 8; when the connecting rod 3 is screwed on the threaded connecting hole 8, the bottom end of the connecting rod 3 abuts against the upper end of the bolt head 24.
Installation description: when the utility model is installed, firstly, the rod sleeve 2 is sleeved on the vertical fixed rod 6, the rod sleeve 2 vertically slides downwards along the vertical fixed rod 6 until the bottom of the rod sleeve 2 is abutted against the upper part of the vertical fixed rod 6, then the bolt 7 is screwed up, and finally the connecting rod 3 is in threaded connection with the connecting seat 5, and when the connecting rod 3 is in threaded connection with the connecting seat 5, firstly, the anti-loosening steel ball 12 needs to be pressed in the installation blind hole 13 (at the moment, the spring 11 is compressed) until the anti-loosening steel ball 12 enters the connecting seat 5, then, the connecting rod 3 is rotated until the bottom end of the connecting rod 3 is abutted against the upper end of the bolt 7, the anti-loosening steel ball 12 is jacked on the limiting groove 14 (refer to figure 3) because of the spring 11 is recovered, at the moment, the installation of the connecting rod 3 is finished, the utility model has a certain anti-loosening function by clamping the anti-loosening steel ball 12 on the limiting groove 14, and the bolt 7 is difficult to loosen because of being pressed by the connecting rod 3, the rod sleeve 2 is ensured to be fixed on the vertical fixed rod 6 more stably; when the rod sleeve 2 needs to be replaced, the needle rod can penetrate into the through hole 15 and push the anti-loosening steel ball 12 into the mounting blind hole 13, the connecting rod 3 is screwed out and the bolt 7 is taken down, at the moment, the rod sleeve 2 can directly slide out from the vertical fixing rod 6, and finally the rod sleeve 2 is replaced.
As preferred, the utility model discloses 6 both sides of vertical dead lever all are equipped with drive face 22, and when rod cover 2 was fixed in on vertical dead lever 6, rod cover 2 can only follow the vertical slip of vertical dead lever 6 because of drive face 22, and drive rod cover 2 and rotate together when screw head 1 and vertical dead lever 6 rotate, prevent that rod cover 2 from skidding.
Claims (5)
1. A screw for an injection molding machine, characterized in that: comprises a screw head (1), a rod sleeve (2) and a connecting rod (3); the outer side of the rod sleeve (2) is provided with a screw edge (4), and the upper end of the rod sleeve (2) is connected with a connecting seat (5); the upper end of the screw head (1) is connected with a vertical fixed rod (6); the rod sleeve (2) is sleeved on the vertical fixing rod (6), and the vertical fixing rod (6) is connected with the connecting seat (5) through a bolt (7); the lower end of the rod sleeve (2) is abutted against the upper part of the screw head (1); the upper end of the connecting seat (5) is provided with a threaded connecting hole (8); the connecting rod (3) is in threaded connection with the threaded connecting hole (8); when the connecting rod (3) is in threaded connection with the threaded connecting hole (8), the bottom end of the connecting rod (3) abuts against the upper end of the bolt (7); and a locking mechanism for preventing the connecting rod (3) from loosening is further connected between the connecting rod (3) and the connecting seat (5).
2. A screw for an injection molding machine according to claim 1, wherein: the anti-loosening mechanism comprises a spring (11) and an anti-loosening steel ball (12); the outer side of the connecting rod (3) is provided with a mounting blind hole (13); the spring (11) and the anti-loosening steel ball (12) are placed in the mounting blind hole (13); a limiting groove (14) matched with the anti-loosening steel ball (12) is formed in the inner side of the connecting seat (5), and a through hole (15) communicated with the limiting groove (14) is formed in the outer side of the connecting seat (5); when the connecting rod (3) is installed, the anti-loosening steel balls (12) are abutted to the limiting groove (14) through the springs (11).
3. A screw for an injection molding machine according to claim 1, wherein: the outer side of the upper end of the connecting rod (3) is provided with a key groove (21).
4. A screw for an injection molding machine according to claim 1, wherein: and driving surfaces (22) are arranged on two sides of the vertical fixing rod (6).
5. A screw for an injection molding machine according to claim 1, wherein: the bolt (7) comprises a screw rod (23) and a bolt head (24) connected to the upper end of the screw rod (23); the lower end of the screw rod (23) penetrates through the connecting seat (5) to be in threaded connection with the vertical fixing rod (6), and the bolt head (24) is located at the bottom of the threaded connecting hole (8); when the connecting rod (3) is in threaded connection with the threaded connection hole (8), the bottom end of the connecting rod (3) abuts against the upper end of the bolt head (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220505089.7U CN217258150U (en) | 2022-03-08 | 2022-03-08 | Screw for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220505089.7U CN217258150U (en) | 2022-03-08 | 2022-03-08 | Screw for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217258150U true CN217258150U (en) | 2022-08-23 |
Family
ID=82860493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220505089.7U Active CN217258150U (en) | 2022-03-08 | 2022-03-08 | Screw for injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217258150U (en) |
-
2022
- 2022-03-08 CN CN202220505089.7U patent/CN217258150U/en active Active
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