CN212803823U - High-pressure injection shifting oil cylinder structure - Google Patents
High-pressure injection shifting oil cylinder structure Download PDFInfo
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- CN212803823U CN212803823U CN202021496629.7U CN202021496629U CN212803823U CN 212803823 U CN212803823 U CN 212803823U CN 202021496629 U CN202021496629 U CN 202021496629U CN 212803823 U CN212803823 U CN 212803823U
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- oil cylinder
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Abstract
The utility model discloses a high pressure penetrates and moves hydro-cylinder structure, it relates to injection molding machine accessory field, and its main part is provided with piston and piston rod, through the screw connection between piston and the piston rod, the screw level sets up, and the screw that the level set up is parallel with the length direction of piston rod, for traditional screw perpendicular to piston rod, can reduce the shearing force that piston and piston rod produced the screw in the motion process, and the screw is provided with a plurality ofly, and a plurality of screw evenly connect piston rod and piston for every screw atress is even, and can reduce the stress intensity of every screw, thereby reduce the probability that the screw warp.
Description
Technical Field
The utility model relates to an injection molding machine accessory field, in particular to high pressure penetrates moves hydro-cylinder structure.
Background
The mould is an indispensable part in the product manufacturing industry, and the quality of a pair of mould design directly influences the quality of products. At present, injection molding machines are frequently applied, and an oil cylinder injection and moving assembly is an important assembly in the injection molding machine, and the working performance of the oil cylinder injection and moving assembly directly influences the overall performance of the injection molding machine. The used hydro-cylinder that penetrates of present injection molding machine is half piston rod mostly, the piston is realized through fastening screw with the hookup location of piston rod, screw hole begins in the side of piston, fastening screw passes through the screw hole screw in piston and piston rod in proper order, fastening screw perpendicular to piston rod length direction promptly, the long-time removal of piston and piston rod, can make fastening screw atress warp, need overhaul often and change at any time, influence production efficiency, still can damage equipment when serious.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a high pressure is pressed and is moved hydro-cylinder structure has solved the easy problem that warp of fastening screw who connects piston and piston rod, has improved fastening screw's life.
In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: the high-pressure injection oil cylinder structure is characterized in that a piston and a piston rod are arranged on a main body of the high-pressure injection oil cylinder structure, the piston is connected to the end portion of the piston rod, screws are arranged between the piston and the piston rod and connected with the piston and the piston rod, the screws are horizontally arranged and evenly distributed on the piston rod.
Through adopting above-mentioned technical scheme, set up the screw between piston and piston rod, realize being connected between piston and the piston rod, and the screw level is placed, the screw that the level set up is on a parallel with the length direction of piston rod, the piston rod removes along its length direction, can reduce the effort that exists to the screw from this, avoid the screw to warp, in addition, a plurality of screws evenly distributed is on the piston rod, when improving piston and piston rod connection effort, can make a plurality of screw atress even, reduce every screw atress intensity, further reduce the yielding probability of screw.
Preferably, one end of the piston rod, which is far away from the piston, is connected with a universal head.
By adopting the technical scheme, the arrangement of the universal head can adjust the installation deviation of the high-pressure injection-movement oil cylinder, the concentricity of the process and the return stroke of the piston rod is kept, and the service life of the high-pressure injection-movement oil cylinder is prolonged.
Preferably, an extension bar is arranged between the piston rod and the universal head, and two ends of the extension bar are respectively connected with the piston rod and the universal head.
By adopting the technical scheme, the extension rod can change the moving range of the piston rod according to the specific application occasion of the high-pressure injection oil cylinder structure.
Preferably, the piston and the piston rod are provided with a convex structure and a groove which are matched with each other.
Through adopting above-mentioned technical scheme, the tongue and the protruding structure cooperation that set up on piston inside and the piston rod realizes the joint and the location of piston and piston rod.
Preferably, the main body of the cylinder is further provided with a cylinder body, the two ends of the cylinder body are respectively connected with a front cylinder cover and a rear cylinder cover, the piston is arranged in the cylinder body, and one end, far away from the piston, of the piston rod extends out of the cylinder body from the front cylinder cover.
Through adopting above-mentioned technical scheme, preceding cylinder cap and back cylinder cap are connected respectively in the both ends of cylinder body for the inside airtight space that holds hydraulic oil that forms of cylinder body, the piston sets up in the cylinder body, utilizes the effort of hydraulic oil to the piston, and the removal is controlled to promotion piston and piston rod.
Preferably, the front cylinder cover is in threaded connection with the cylinder body.
Through adopting above-mentioned technical scheme, preceding cylinder cap threaded connection is in the cylinder body, can conveniently be to the dismantlement process of preceding cylinder cap.
Preferably, the rear cylinder cover is in threaded connection with the cylinder body.
Through adopting above-mentioned technical scheme, threaded connection between back cylinder cap and the cylinder body has the effect of making things convenient for the later stage to dismantle equally.
Preferably, a gland is arranged at one end of the piston rod close to the piston, and the gland abuts against the end face of the piston.
Through adopting above-mentioned technical scheme, the gland of piston rod tip for the butt piston end face avoids the piston to the one side that is provided with the gland and removes, and then improves the joint strength between piston and the piston rod.
Preferably, a shaft shoulder is formed on the piston rod, and the shaft shoulder and the gland are respectively abutted to two end faces of the piston.
Through adopting above-mentioned technical scheme, the shaft shoulder combines the gland, can realize spacing to the piston, avoids it to remove about.
Preferably, the gland is integrally formed with the piston rod.
By adopting the technical scheme, the connecting strength between the gland and the piston rod can be improved by the integrally formed gland and the piston rod.
Compared with the prior art, the utility model has the advantages of: (1) the piston and the piston rod are fixedly connected by the aid of the screws between the piston and the piston rod, the setting direction of the screws is consistent with the length direction of the piston rod, and compared with the conventional screw which is perpendicular to the length direction of the piston rod, the screw fixing device reduces acting force of the piston and the piston rod on the screws, and the screws are uniformly distributed on the piston rod, so that the stress strength of each screw can be further reduced, and the deformation probability of the screws is further reduced; (2) the universal head is connected to one end, far away from the piston, of the piston rod, so that the high-pressure injection oil cylinder structure can automatically adjust the installation deviation per se, and the concentricity of the process and the return stroke of the piston rod is ensured; (3) the two ends of the piston rod are respectively provided with a gland and a shaft shoulder, so that the piston is limited by the gland and the shaft shoulder, and the piston is prevented from moving left and right.
Drawings
FIG. 1 is a schematic sectional view of example 1;
FIG. 2 is a schematic structural view of example 2;
fig. 3 is an enlarged schematic view of a in fig. 1.
In the figure: 1-a piston; 2-a piston rod; 3-screws; 4-universal head; 5-lengthening the rod; 6-groove; 7-a raised structure; 8-cylinder body; 9-front cylinder cover; 10-rear cylinder cover; 11-a gland; 12-shaft shoulder; 13-sealing ring; 14-flange.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example 1
As shown in fig. 1, the main body of the high-pressure injection-shift cylinder structure is provided with a cylinder body 8, two ends of the cylinder body 8 are respectively connected with a front cylinder cover 9 and a rear cylinder cover 10, hydraulic oil can be contained in the cylinder body 8, and the cylinder body 8 forms a closed space under the action of the front cylinder cover 9 and the rear cylinder cover 10.
The front cylinder cover 9 is in threaded connection with the cylinder body 8, so that the high-pressure injection oil cylinder structure is convenient to detach and connect.
The rear cylinder cover 10 is in threaded connection with the cylinder body 8, and the dismounting and connecting processes of the high-pressure injection oil cylinder structure are also facilitated.
The high-pressure injection oil cylinder structure replaces the traditional connection process between the front cylinder cover 9 and the rear cylinder cover 10 and the cylinder body 8 through the pull rod by respectively connecting the front cylinder cover 9 and the rear cylinder cover 10 at two ends with the cylinder body 8 through threads, so that the stress deformation of the pull rod in the oil cylinder can be avoided, and the integral stress capacity of the oil cylinder can be improved.
In this embodiment, the main body of the high-pressure injection oil cylinder structure is further provided with a piston 1 and a piston rod 2, as shown in fig. 1 and fig. 3, the piston 1 is arranged inside a cylinder 8, the piston 1 is connected to the end of the piston rod 2, the piston 1 divides the cylinder 8 into two closed spaces, one end of the piston rod 2, which is far away from the piston 1, extends out of the cylinder 8 from a front cylinder cover 9, hydraulic oil in the cylinder 8 generates a certain acting force on the piston 1, so that the piston 1 moves along the length direction of the cylinder 8, and further the piston rod 2 connected with the piston 1 moves synchronously, and the piston rod 2 is externally connected with equipment, so as to.
The piston 1 is connected with the piston rod 2 through the screw 3, the screw 3 is horizontally arranged, as shown in fig. 3, the horizontally arranged screw 3 is parallel to the length direction of the piston rod 2, and compared with the traditional screw 3 which is perpendicular to the piston rod 2, the shearing acting force of the piston 1 and the piston rod 2 on the screw 3 can be reduced, and the bending deformation of the piston 1 and the piston rod 2 is avoided; and screw 3 is provided with a plurality ofly, and a plurality of screws 3 evenly distributed are on piston rod 2, and the screw 3 atress is even to improve the connecting action power of piston 1 and piston rod 2, the even atress of a plurality of screws 3 can reduce the atress intensity of every screw 3, further reduces the probability that screw 3 warp.
Be provided with protruding structure 7 and the recess 6 of mutually supporting on piston 1 and the piston rod 2, this embodiment is provided with recess 6 on the piston rod 2, be provided with in the piston 1 with recess 6 complex protruding structure 7, as shown in fig. 3, but protruding structure 7 joint is in recess 6 to realize piston 1 and piston rod 2 preliminary spacing.
In this embodiment, a gland 11 is disposed at one end of the piston rod 2, and the gland 11 is disposed at one end of the piston rod 2 close to the piston 1, as shown in fig. 3, the gland 11 is fixedly connected to an end portion of the piston rod 2, and the gland 11 abuts against an end surface of the piston 1, so as to prevent the piston 1 from moving to a side where the gland 11 is disposed, thereby improving a connection strength between the piston 1 and the piston rod 2.
The gland 11 is provided with a threaded hole, the screw 3 is connected to the piston 1 through the threaded hole, as shown in fig. 3, the plurality of screws 3 are uniformly connected to the piston 1 and the piston rod 2.
A shaft shoulder 12 is formed on the piston rod 2, as shown in fig. 3, the shaft shoulder 12 and the gland 11 are respectively abutted to two end faces of the piston 1, so that the piston 1 is further limited, and the piston 1 is prevented from moving left and right on the piston rod 2.
The piston rod 2 is sleeved with the sealing ring 13, the sealing ring 13 is located inside the piston 1, and as shown in fig. 3, the sealing performance of the joint of the piston 1 and the piston rod 2 can be improved due to the arrangement of the sealing ring 13.
In this embodiment, an extension rod 5 is connected to one end of the piston rod 2 far away from the piston 1, as shown in fig. 1, when the length of the piston rod 2 does not reach the stroke range of the external device, the extension rod 5 can be added to change the moving range of the end of the piston rod 2.
The universal head 4 is arranged at the end of the extension rod 5, as shown in fig. 1, in the operation process of the high-pressure injection oil cylinder structure, the concentricity of the process and the return stroke of the piston rod 2 needs to be ensured, but installation deviation easily exists when the oil cylinder is installed, so that the concentricity of the process and the return stroke of the piston rod 2 is lower, and serious loss is caused when the oil cylinder is operated for a long time, the installation deviation of the high-pressure injection oil cylinder structure can be automatically adjusted through the universal head 4, the concentricity of the process and the return stroke of the piston rod 2 is ensured, and unnecessary loss of the oil cylinder structure is reduced.
Example 2
The present embodiment is different from embodiment 1 in that the front cylinder cover 9 is connected to the cylinder body 8 through a flange 14, specifically, the flange 14 is connected to the cylinder body 8 in a threaded manner, and the front cylinder cover 9 is fixedly connected to the flange 14 through a screw, as shown in fig. 2, so as to connect the front cylinder cover 9 and the cylinder body 8.
The rear cylinder cover 10 and the cylinder body 8 are also connected through a flange 14, and the specific connection mode is the same as that of the front cylinder cover 9.
Example 3
This embodiment is different from embodiment 1 in that the gland 11 is integrally formed with the piston rod 2, so that the connection strength between the piston rod 2 and the gland 11 can be improved.
Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The high-pressure injection oil cylinder structure is characterized in that a piston (1) and a piston rod (2) are arranged on a main body of the high-pressure injection oil cylinder structure, the piston (1) is connected to the end portion of the piston rod (2), a screw (3) is arranged between the piston (1) and the piston rod (2), the screw (3) is connected with the piston (1) and the piston rod (2), the screw (3) is horizontally arranged, the screw (3) is provided with a plurality of screws, and the screws (3) are uniformly distributed on the piston rod (2).
2. The high-pressure shooting and shifting oil cylinder structure according to claim 1, characterized in that one end of the piston rod (2) far away from the piston (1) is connected with a universal head (4).
3. The high-pressure shooting moving oil cylinder structure as claimed in claim 2, wherein an extension bar (5) is arranged between the piston rod (2) and the universal head (4), and two ends of the extension bar (5) are respectively connected with the piston rod (2) and the universal head (4).
4. The high-pressure shooting and shifting oil cylinder structure according to claim 1, characterized in that the piston (1) and the piston rod (2) are provided with a convex structure (7) and a groove (6) which are matched with each other.
5. The high-pressure shooting and moving oil cylinder structure according to claim 1, characterized in that a cylinder body (8) is further arranged on the main body, a front cylinder cover (9) and a rear cylinder cover (10) are respectively connected to two ends of the cylinder body (8), the piston (1) is arranged in the cylinder body (8), and one end, far away from the piston (1), of the piston rod (2) extends out of the cylinder body (8) from the front cylinder cover (9).
6. The high-pressure shooting and shifting oil cylinder structure according to claim 5, wherein the front cylinder cover (9) is in threaded connection with the cylinder body (8).
7. The high-pressure shooting and shifting cylinder structure according to claim 5, wherein the rear cylinder cover (10) is in threaded connection with the cylinder body (8).
8. The high-pressure shooting and shifting oil cylinder structure according to claim 1, characterized in that one end of the piston rod (2) close to the piston (1) is provided with a gland (11), and the gland (11) abuts against the end surface of the piston (1).
9. The high-pressure shooting and shifting oil cylinder structure according to claim 8, characterized in that a shaft shoulder (12) is formed on the piston rod (2), and the shaft shoulder (12) and the gland (11) are respectively abutted on two end faces of the piston (1).
10. The high pressure shooting and shifting cylinder structure according to claim 8, wherein the gland (11) is integrally formed with the piston rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021496629.7U CN212803823U (en) | 2020-07-24 | 2020-07-24 | High-pressure injection shifting oil cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021496629.7U CN212803823U (en) | 2020-07-24 | 2020-07-24 | High-pressure injection shifting oil cylinder structure |
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| Publication Number | Publication Date |
|---|---|
| CN212803823U true CN212803823U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021496629.7U Active CN212803823U (en) | 2020-07-24 | 2020-07-24 | High-pressure injection shifting oil cylinder structure |
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| Country | Link |
|---|---|
| CN (1) | CN212803823U (en) |
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2020
- 2020-07-24 CN CN202021496629.7U patent/CN212803823U/en active Active
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