CN209830225U - Reusable injection plunger - Google Patents

Abstract

The utility model discloses a pressure head that can used repeatedly, including first pressure head, stopper, logical groove, connecting rod and the sealed lantern ring, the connecting piece is installed on the right side of first pressure head, and the outside of connecting piece is provided with adapter sleeve to adapter sleeve's inside is provided with the spacing groove, adapter sleeve is connected with the second pressure head through the mounting groove, and the mounting groove is seted up in the inside of second pressure head, lead to the groove and set up on the inner wall of second pressure head, be connected with the wear-resisting lantern ring on the outer wall of first pressure head, the sealed lantern ring is connected in the right side of second pressure head. This can used repeatedly's injection head is provided with wear-resisting lantern ring on the outer wall of first injection head, like this in first injection head use, can effectively reduce the wearing and tearing between first injection head and the die casting die inside through wear-resisting lantern ring to reduce the damage to first injection head, increase first injection head's life.

Description

Reusable injection plunger

Technical Field

The utility model relates to an injection head technical field specifically is a can used repeatedly's injection head.

Background

The injection head is generally used on a die casting machine, the injection head is used for pressing liquid metal into a die casting die, and the injection head is an important part on the die casting machine, but the existing injection head has some defects when in use, for example, the injection head can be worn with the die casting die when in reciprocating motion, no wear protection is provided, the service life of the injection head is shortened, and the traditional injection head is integral, once the traditional injection head is damaged, the traditional injection head needs to be integrally replaced, the undamaged part can not be repeatedly used, the maintenance cost is increased, and the use efficiency of the injection head is reduced, so that the injection head capable of being repeatedly used is provided, and the problems in the process are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can used repeatedly's pressure is penetrated and is penetrated the head to solve the pressure on the present market that above-mentioned background art provided and can and die casting die between produce wearing and tearing when the back and forth movement, do not have the abrasionproof damage protection, the life of penetrating the head has been reduced, traditional pressure is penetrated the head and all is wholeness moreover, in case damage needs the whole change, can not used repeatedly to the part that does not damage, maintenance cost has been increased, and then lead to the problem that the availability factor to pressing the head reduces.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can used repeatedly press and press head, includes first press and presses head, stopper, logical groove, connecting rod and the sealed lantern ring, the connecting piece is installed on first press and press head's right side, and the outside of connecting piece is provided with adapter sleeve to adapter sleeve's inside is provided with the spacing groove, adapter sleeve is pressed through the mounting groove and is connected with the second press and press head, and the mounting groove is seted up in the inside of second press and press head, the stopper sets up in adapter sleeve's right side, and the stopper is connected through the inner wall of coupling spring and mounting groove, lead to the groove and set up on the inner wall of second press and press head, the bottom of connecting rod is connected with the stopper, and the connecting rod sets up in the inside that leads to the groove, be connected with the wear-resisting lantern ring on first press.

Preferably, the connecting piece, the connecting sleeve and the first injection head are of an integrated structure, and the first injection head and the second injection head form a detachable structure through the connecting piece and the connecting sleeve.

Preferably, the outer surface of the connecting member is threaded and the connecting member and the inner wall of the second shot sleeve are threaded with a space between the connecting member and the connecting sleeve.

Preferably, the length of the connection sleeve is equal to the length of the connection piece, and the length of the connection sleeve is equal to the depth of the installation groove.

Preferably, the connecting mode of connecting rod and stopper is the welding, and the stopper passes through connecting spring and constitutes extending structure in the inside of mounting groove to the size of stopper is identical with the size of spacing groove, and the degree of depth of spacing groove is less than adapter sleeve's thickness simultaneously.

Preferably, the wear-resistant sleeve ring and the sealing sleeve ring are connected with the first injection head and the second injection head in a bonding mode, and the first injection head and the second injection head are communicated with each other.

Compared with the prior art, the beneficial effects of the utility model are that: the injection head is capable of being reused by,

(1) the outer wall of the first injection head is provided with the wear-resistant sleeve ring, so that in the using process of the first injection head, the wear between the first injection head and the inside of the die-casting die can be effectively reduced through the wear-resistant sleeve ring, the damage to the first injection head is reduced, and the service life of the first injection head is prolonged;

(2) the first injection head and the second injection head form a disassembly structure through the connecting piece and the connecting sleeve, so that when the first injection head or the second injection head is damaged and needs to be replaced, the first injection head or the second injection head does not need to be integrally replaced, the undamaged part can be repeatedly used, and the maintenance cost is reduced;

(3) be provided with the stopper, when adapter sleeve stretches into the mounting groove inside, can fix adapter sleeve through the block of stopper and spacing groove to make first pressure penetrate more firmly of connecting between the head and the second pressure, guaranteed the stability when this pressure is penetrated and is used.

Drawings

FIG. 1 is a schematic view of the overall main sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the connection sleeve and the limiting groove of the present invention;

fig. 4 is the structure diagram of the connecting piece and the connecting sleeve for connecting the right side of the utility model.

In the figure: 1. a first injection head; 2. a connecting member; 3. connecting a sleeve; 4. a limiting groove; 5. mounting grooves; 6. a limiting block; 7. a connecting spring; 8. a second injection head; 9. a through groove; 10. a connecting rod; 11. a wear-resistant collar; 12. and sealing the collar.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a reusable injection head comprises a first injection head 1, a connecting piece 2, a connecting sleeve 3, a limiting groove 4, a mounting groove 5, a limiting block 6, a connecting spring 7, a second injection head 8, a through groove 9, a connecting rod 10, a wear-resistant lantern ring 11 and a sealing lantern ring 12, wherein the connecting piece 2 is installed on the right side of the first injection head 1, the connecting sleeve 3 is arranged on the outer side of the connecting piece 2, the limiting groove 4 is formed in the connecting sleeve 3, the connecting sleeve 3 is connected with the second injection head 8 through the mounting groove 5, the mounting groove 5 is formed in the second injection head 8, the limiting block 6 is arranged on the right side of the connecting sleeve 3, the limiting block 6 is connected with the inner wall of the mounting groove 5 through the connecting spring 7, the through groove 9 is formed in the inner wall of the second injection head 8, the bottom of the connecting rod 10 is connected with the limiting block 6, and the connecting, the outer wall of the first injection head 1 is connected with a wear-resistant collar 11, and a sealing collar 12 is connected to the right side of the second injection head 8;

the connecting piece 2, the connecting sleeve 3 and the first injection head 1 are of an integrated structure, and the first injection head 1 and the second injection head 8 form a detachable structure through the connecting piece 2, the connecting sleeve 3 and the second injection head 1, so that undamaged parts can be reused, and the maintenance cost can be reduced;

the outer surface of the connecting piece 2 is in a threaded shape, the inner walls of the connecting piece 2 and the second injection head 8 are in threaded connection, and a gap exists between the connecting piece 2 and the connecting sleeve 3, so that the connecting piece 2 and the second injection head 8 can be conveniently connected, and the first injection head 1 and the second injection head 8 can be easily connected;

the length of the connecting sleeve 3 is equal to that of the connecting piece 2, and the length of the connecting sleeve 3 is equal to that of the mounting groove 5, so that the connection between the first injection head 1 and the second injection head 8 can be more compact, and the injection head is prevented from loosening in the using process;

the connecting mode of the connecting rod 10 and the limiting block 6 is welding, the limiting block 6 forms a telescopic structure in the mounting groove 5 through the connecting spring 7, the size of the limiting block 6 is matched with that of the limiting groove 4, and meanwhile, the depth of the limiting groove 4 is smaller than the thickness of the connecting sleeve 3, so that the stability of the injection head is further ensured, and the normal use of the injection head is not influenced;

wear-resisting lantern ring 11 and sealed lantern ring 12 are the bonding with the connected mode of first injection head 1 and second injection head 8, and communicate each other between first injection head 1 and the second injection head 8, can effectively reduce the wearing and tearing between this injection head and the die casting die inside through wear-resisting lantern ring 11, can guarantee the leakproofness when this injection head uses through sealed lantern ring 12, and then improved the availability factor of this injection head.

The working principle is as follows: when the reusable injection head is used, according to fig. 1-4, if the first injection head 1 is damaged, a worker firstly bonds a wear-resistant sleeve ring 11 on the outer wall of a prepared new first injection head 1, then inserts the connecting sleeve 3 on the right side of the first injection head 1 into the mounting groove 5, because the length of the connecting piece 2 is equal to that of the connecting sleeve 3, the connecting piece 2 also contacts with the second injection head 8, the inner wall of the connecting piece 2 and the inner wall of the second injection head 8 are in threaded connection, so that the worker can rotate the connecting piece 2 together with the first injection head 1 and the connecting sleeve 3 to make the connecting piece 2 rotate into the second injection head 8, the connecting sleeve 3 also moves to the right in the mounting groove 5 along with the continuous rotation of the connecting piece 2, and at the moment, the worker pulls the connecting rods 10 on the upper side and the lower side of the second injection head 8 outwards to make the connecting rods 10 drive the limiting blocks 6 to move outwards together, simultaneously, the connecting spring 7 is extruded;

when the connecting piece 2 is completely rotated into the second injection head 8, the connecting sleeve 3 is also completely inserted into the mounting groove 5, the position of the limiting groove 4 on the connecting sleeve 3 corresponds to the position of the limiting block 6, at this time, a worker loosens the connecting rod 10, the limiting block 6 is reset under the elastic action of the connecting spring 7, so that the limiting block 6 is clamped into the limiting groove 4, the depth of the limiting groove 4 is smaller than the thickness of the connecting sleeve 3, the connecting sleeve 3 can be fixed, the connection between the first injection head 1 and the second injection head 8 is firmer, wherein the first injection head 1 and the second injection head 8 are communicated with each other, so that the normal use of the first injection head 1 and the second injection head 8 can be ensured, and the sealing performance of the injection heads can be ensured under the action of the wear-resistant sleeve ring 11 and the sealing sleeve 12, the abrasion between the injection head and the interior of the die-casting die can be effectively reduced, the service life of the injection head is prolonged, the whole device works in the process, and the content which is not described in detail in the specification belongs to the prior art which is known by the professional person in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a can used repeatedly's injection head, includes first injection head (1), stopper (6), logical groove (9), connecting rod (10) and sealing collar (12), its characterized in that: the right side of the first injection head (1) is provided with a connecting piece (2), the outer side of the connecting piece (2) is provided with a connecting sleeve (3), a limiting groove (4) is formed in the connecting sleeve (3), the connecting sleeve (3) is connected with the second injection head (8) through a mounting groove (5), the mounting groove (5) is formed in the second injection head (8), a limiting block (6) is arranged on the right side of the connecting sleeve (3), the limiting block (6) is connected with the inner wall of the mounting groove (5) through a connecting spring (7), a through groove (9) is formed in the inner wall of the second injection head (8), the bottom of a connecting rod (10) is connected with the limiting block (6), the connecting rod (10) is arranged in the through groove (9), and the outer wall of the first injection head (1) is connected with a wear-resistant lantern ring (11), the sealing collar (12) is attached to the right side of the second shot head (8).

2. A reusable shot sleeve as defined in claim 1 wherein: the connecting piece (2), the connecting sleeve (3) and the first injection head (1) are of an integrated structure, and the first injection head (1) and the second injection head (8) form a dismounting structure through the connecting piece (2), the connecting sleeve (3) and the second injection head.

3. A reusable shot sleeve as defined in claim 1 wherein: the outer surface of the connecting piece (2) is in a thread shape, the inner walls of the connecting piece (2) and the second injection plunger (8) are in threaded connection, and a gap is reserved between the connecting piece (2) and the connecting sleeve (3).

4. A reusable shot sleeve as defined in claim 1 wherein: the length of the connecting sleeve (3) is equal to that of the connecting piece (2), and the length of the connecting sleeve (3) is equal to the depth of the mounting groove (5).

5. A reusable shot sleeve as defined in claim 1 wherein: the connecting mode of connecting rod (10) and stopper (6) is the welding, and stopper (6) pass through coupling spring (7) and constitute extending structure in the inside of mounting groove (5) to the size of stopper (6) is identical with the size of spacing groove (4), and the degree of depth of spacing groove (4) is less than the thickness of adapter sleeve (3) simultaneously.

6. A reusable shot sleeve as defined in claim 1 wherein: the wear-resistant sleeve ring (11) and the sealing sleeve ring (12) are connected with the first injection head (1) and the second injection head (8) in a bonding mode, and the first injection head (1) and the second injection head (8) are communicated with each other.