CN217226537U

CN217226537U - Pull rod structure for piston rod on injection molding machine mold

Info

Publication number: CN217226537U
Application number: CN202123121557.5U
Authority: CN
Inventors: 忻利红
Original assignee: Ningbo Beilun Yongdi Machinery Manufacturing Co ltd
Current assignee: Ningbo Beilun Yongdi Machinery Manufacturing Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-08-19
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a draw bar structure that piston rod on injection molding machine mould was used relates to injection molding machine technical field, has and makes piston demountable installation advantage on the pull rod, and its technical scheme main points are: including the body of rod and set up at body of rod one end and with the coaxial threaded rod of the body of rod, threaded rod threaded connection has the piston, is connected stably the back when piston and threaded rod, be equipped with restriction piston pivoted locating part on the threaded rod.

Description

Pull rod structure for piston rod on injection molding machine mold

Technical Field

The utility model relates to an injection molding machine technical field specifically is a draw bar structure that piston rod on injection molding machine mould was used.

Background

The general pull rod in the two-plate type injection molding machine mold locking oil cylinder also serves as a mold locking piston rod, the piston is directly connected with the end part of the pull rod, the piston of the injection molding machine mold locking oil cylinder generally has a piston and the pull rod which are integrated (as shown in fig. 4), but if the piston is worn, the whole piston rod needs to be replaced, and waste is caused.

SUMMERY OF THE UTILITY MODEL

The technical insufficiency to the existence, the utility model aims at providing a draw bar structure that piston rod on injection molding machine mould was used has the advantage that makes piston demountable installation on the pull rod.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a draw bar structure that piston rod on injection molding machine mould was used, including the body of rod and set up at body of rod one end and with the coaxial threaded rod of the body of rod, threaded rod threaded connection has the piston, is connected stable back when piston and threaded rod, be equipped with restriction piston pivoted locating part on the threaded rod.

Through adopting above-mentioned technical scheme, fix the piston on the body of rod through the threaded rod, be convenient for this moment the installation with dismantle the piston, the setting up of locating part makes piston and threaded rod be connected stably, the use of the pull rod of being convenient for.

Preferably, the locating part is including seting up the spacing groove at threaded rod one side outer wall, and when a piston side was contradicted with a body of rod side, the joint groove that corresponds with the spacing groove has been seted up to the piston inner wall, spacing groove and joint inslot compact joint have a spacing piece.

Preferably, the limiting block is provided with a placing groove on one side of the limiting groove abutted against the bottom of the clamping groove, the bottom of the placing groove is fixed with an inclined spring piece, and the end, far away from the spring piece, connected with the placing groove extends out of the notch of the placing groove.

Preferably, the locating part is including setting up at body of rod one end and with the coaxial jack post of the body of rod, the jack post diameter is less than body of rod diameter, the coaxial setting of threaded rod is in the one end of jack post, the embedded groove that supplies the jack post to get into is seted up towards one side of jack post to the piston, jack post outer wall cover is equipped with annular rubber circle, rubber circle is contradicted with the embedded groove cell wall.

Preferably, the outer wall of the clamping column is provided with a clamping groove for embedding the rubber ring part.

Preferably, the slot bottoms of limiting groove and joint groove all set up the card hole that supplies reed one end embedding, be equipped with the driving piece that the drive spring leaf removed to the standing groove direction on the stopper.

Preferably, the driving piece is including seting up the drive groove of keeping away from body of rod one end at the stopper, drive groove and standing groove intercommunication, the spring leaf is equipped with the stay cord in the one side towards the standing groove tank bottom, the one end actuating lever of spring leaf is kept away from to the stay cord, actuating lever and drive groove threaded connection.

The beneficial effects of the utility model reside in that: fix the piston on the body of rod through the threaded rod, be convenient for this moment the installation with dismantle the piston, the setting up of locating part makes piston and threaded rod be connected stably, the use of the pull rod of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is an enlarged view of the portion A in FIG. 1;

FIG. 3 is a schematic structural diagram of the present embodiment for embodying the clip

Fig. 4 is a schematic structural view of a conventional tie rod.

Description of reference numerals:

in the figure: 1. a rod body; 11. a threaded rod; 12. a piston; 13. a limiting groove; 131. a clamping groove; 132. a limiting block; 14. a placement groove; 141. a spring plate; 15. clamping the column; 151. a groove is embedded; 152. a rubber ring; 153. a card slot; 16. clamping holes; 161. a drive slot; 162. pulling a rope; 163. a drive rod.

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 work belong to the protection scope of the present invention.

A pull rod structure for a piston rod on an injection molding machine mold is shown in figures 1 and 2 and comprises a rod body 1 and a threaded rod 11 which is arranged at one end of the rod body 1 and is coaxial with the rod body 1, wherein a piston 12 is connected to the threaded rod 11 through threads, and a limiting part for limiting the rotation of the piston 12 is arranged on the threaded rod 11 after the piston 12 is stably connected with the threaded rod 11.

As shown in fig. 1 and fig. 2, the piston 12 is fixed on the rod body 1 through the threaded rod 11, so that the piston 12 is convenient to mount and dismount, and the piston 12 is stably connected with the threaded rod 11 due to the limiting piece, so that the pull rod is convenient to use.

As shown in fig. 1 and 2, the limiting member includes a limiting groove 13 formed in an outer wall of one side of the threaded rod 11, when one side of the piston 12 abuts against one side of the rod body 1, a clamping groove 131 corresponding to the limiting groove 13 is formed in an inner wall of the piston 12, and a limiting block 132 is tightly connected to the limiting groove 13 and the clamping groove 131. The stopper 132 restricts the rotation between the piston 12 and the threaded rod 11, so that the piston 12 moves together with the rod body 1.

As shown in fig. 1 and fig. 2, the positioning groove 14 is formed on one side of the limiting block 132 abutting against the bottom of the limiting groove 13 and the bottom of the clamping groove 131, an inclined spring plate 141 is fixed on the bottom of the positioning groove 14, and a notch of the positioning groove 14 extends from one end of the spring plate 141 far away from the end connected with the positioning groove 14.

As shown in fig. 1 and fig. 2, the arrangement of the spring plate 141 increases the friction between the piston 12 and the threaded rod 11, and further reduces the displacement of the piston 12 on the threaded rod 11, and in addition, the end of the spring plate 141 connected with the bottom of the placing groove 14 is distributed near one side of the rod body 1, the spring plate 141 is gradually distributed from the bottom of the placing groove 14 toward the direction away from the bottom of the placing groove 14, so that the spring plate 141 is abutted against the bottom of the limiting groove 13 and the clamping groove 131, and when the spring plate 141 is in the original state, the end of the spring plate 141 away from the end connected with the placing groove 14 extends out of the notch of the placing groove 14.

As shown in fig. 1 and fig. 2, the groove bottoms of the limiting groove 13 and the clipping groove 131 are both provided with a clipping hole 16 into which one end of the spring leaf 141 is inserted, and the limiting block 132 is provided with a driving member for driving the spring leaf 141 to move towards the placing groove 14. The setting of card hole 16 has increased the intensity that spring leaf 141 contradicts with spacing groove 13 and joint groove 131, and the setting of driving piece is convenient for spring leaf 141 and spacing groove 13 and the separation of joint groove 131, and then extracts stopper 132.

As shown in fig. 1 and fig. 2, the driving member includes a driving groove 161 formed at an end of the stopper 132 away from the rod body 1, the driving groove 161 is communicated with the placement groove 14, the spring strip 141 is provided with a pull rope 162 at a side facing a bottom of the placement groove 14, an end of the pull rope 162 away from the spring strip 141 is provided with a driving rod 163, and the driving rod 163 is in threaded connection with the driving groove 161. At this moment, when the spring plate 141 is contradicted with the card hole 16, the pull rope 162 is in a natural state, and the notch of the driving groove 161 is not extended from one end of the driving rod 163, the driving rod 163 is provided with a cross-shaped groove convenient for rotating the driving rod 163 towards one end of the notch of the driving groove 161, when the limiting block 132 needs to be moved out, the driving rod 163 is rotated towards the direction far away from the placing groove 14, at this moment, the pull rope 162 is straightened and drives the spring plate 141 to move towards the bottom direction of the placing groove 14 groove, at this moment, the notch of the driving groove 161 is extended from one end of the driving rod 163, and then the limiting block 132 is pulled out from the limiting groove 13 and the clamping groove 131 by a user through the driving rod 163 extending out of the notch of the driving groove 161.

As shown in fig. 3, or, the limiting member includes the clamping column 15 that is disposed at one end of the rod body 1 and coaxial with the rod body 1, the diameter of the clamping column 15 is smaller than the diameter of the rod body 1, the threaded rod 11 is coaxially disposed at one end of the clamping column 15, the piston 12 is disposed towards one side of the clamping column 15 and provided with an embedded groove 151 for the clamping column 15 to enter, an outer wall of the clamping column 15 is sleeved with an annular rubber ring 152, and the rubber ring 152 is abutted against a wall of the embedded groove 151. When the piston 12 is screwed onto the threaded rod 11, the locking pin 15 enters the insertion groove 151 and forms a tight connection with the rubber ring 152, thereby limiting the movement of the piston 12 on the threaded rod 11.

As shown in fig. 3, the outer wall of the locking column 15 is provided with a locking slot 153 into which the rubber ring 152 is partially inserted. Due to the arrangement of the clamping groove 153, the rubber ring 152 is partially embedded into the clamping column 15, and the bottom of the embedded groove 151 is abutted against the rubber ring 152, so that the rubber ring 152 is stably located in the clamping groove 153 of the clamping column 15.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a pull rod structure that piston rod on injection molding machine mould was used, its characterized in that, including the body of rod (1) and set up at body of rod (1) one end and with the coaxial threaded rod (11) of the body of rod (1), threaded rod (11) threaded connection has piston (12), is connected stable back when piston (12) and threaded rod (11), be equipped with restriction piston (12) pivoted locating part on threaded rod (11).

2. The pull rod structure for the piston rod on the injection molding machine mold according to claim 1, wherein the limiting member comprises a limiting groove (13) formed in an outer wall of one side of the threaded rod (11), when one side surface of the piston (12) abuts against one side surface of the rod body (1), a clamping groove (131) corresponding to the limiting groove (13) is formed in an inner wall of the piston (12), and a limiting block (132) is tightly connected in the limiting groove (13) and the clamping groove (131).

3. The pull rod structure for the piston rod on the injection molding machine mold as claimed in claim 2, wherein a placing groove (14) is formed in one side of the limit block (132) abutting against the groove bottoms of the limit groove (13) and the clamping groove (131), an inclined spring piece (141) is fixed to the groove bottom of the placing groove (14), and a notch of the placing groove (14) extends out of one end, far away from the end connected with the placing groove (14), of the spring piece (141).

4. The pull rod structure for the piston rod on the injection molding machine mold as claimed in claim 1, wherein the limiting member comprises a clamping column (15) which is arranged at one end of the rod body (1) and is coaxial with the rod body (1), the diameter of the clamping column (15) is smaller than that of the rod body (1), the threaded rod (11) is coaxially arranged at one end of the clamping column (15), an embedded groove (151) for the clamping column (15) to enter is formed in one side of the piston (12) facing the clamping column (15), an annular rubber ring (152) is sleeved on the outer wall of the clamping column (15), and the rubber ring (152) is abutted against the wall of the embedded groove (151).

5. The pull rod structure for the piston rod on the mold of the injection molding machine according to claim 4, wherein the outer wall of the clamp column (15) is provided with a clamp groove (153) for partially embedding the rubber ring (152).

6. The pull rod structure for the piston rod on the injection molding machine mold according to claim 3, wherein the bottom of each of the limiting groove (13) and the clamping groove (131) is provided with a clamping hole (16) for inserting one end of a spring piece (141), and the limiting block (132) is provided with a driving piece for driving the spring piece (141) to move towards the placing groove (14).

7. The pull rod structure for the piston rod on the mold of the injection molding machine according to claim 6, wherein the driving member comprises a driving groove (161) formed at one end of the limiting block (132) far away from the rod body (1), the driving groove (161) is communicated with the placing groove (14), the spring plate (141) is provided with a pull rope (162) at one side facing the bottom of the placing groove (14), one end of the pull rope (162) far away from the spring plate (141) drives the rod (163), and the driving rod (163) is in threaded connection with the driving groove (161).