CN220636261U

CN220636261U - Extrusion oil cylinder structure and aluminum casting die

Info

Publication number: CN220636261U
Application number: CN202322194165.4U
Authority: CN
Inventors: 黄志坚
Original assignee: Ningbo Beilun Fusheng Machinery Co ltd
Current assignee: Ningbo Beilun Fusheng Machinery Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-03-22
Anticipated expiration: 2033-08-15

Abstract

The utility model relates to the technical field of oil cylinders, in particular to an extrusion oil cylinder structure and an aluminum casting die, wherein the structure comprises a shaft body, a piston, a shell and an end connector; the piston comprises a movable sleeve and a piston plate, the movable sleeve is sleeved on the shaft body, the piston plate is sleeved in the middle of the movable sleeve in an annular manner, the shaft body and the piston plate are arranged in the shell, one end of the shaft body is fixedly connected with the inner wall of the shell, and the movable sleeve at the other end and the same end of the shaft body penetrates out of the shell; one side of the piston plate, which is far away from the movable sleeve, is attached to the inner wall of the shell, the interior of the shell is divided into two chambers by the piston plate, and two oil ports which are respectively communicated with the chambers are arranged on the shell; one end of the movable sleeve penetrating out of the shell is connected with an end connector, and the end connector is used for connecting the device to be extruded. According to the utility model, the cylinder body structure can be integrated on the device to be extruded through the end connector, so that the cylinder body structure can provide stable extrusion force output, and the installation operation of the cylinder body structure is simple and quick.

Description

Extrusion oil cylinder structure and aluminum casting die

Technical Field

The utility model relates to the technical field of oil cylinders, in particular to an extrusion oil cylinder structure for forming a motor front end ring and an aluminum casting die.

Background

The motor end ring is produced by adopting a die casting molding mode generally, and end ring cast aluminum is in a corresponding die, so that extrusion operation can be involved in the die casting molding process, and instantaneous axial extrusion force needs to be provided during extrusion.

The existing oil cylinder structure is generally an independent structure, and cannot achieve good assembly effect with the stroke of the die, so that the phenomena that assembly operation is time-consuming and labor-consuming, the extrusion effect is poor and the like exist in the extrusion process.

Disclosure of Invention

In order to solve at least the technical problems in the prior art, the utility model provides an extrusion oil cylinder structure and an aluminum casting die.

The utility model provides an extrusion oil cylinder structure, which comprises a shaft body, a piston, a shell and an end connector; the piston comprises a movable sleeve and a piston plate, the movable sleeve is sleeved on the shaft body, the piston plate is annularly sleeved on the middle part of the movable sleeve, the shaft body and the piston plate are arranged in the shell, one end of the shaft body is fixedly connected with the inner wall of the shell, and the other end of the shaft body and the movable sleeve at the same end penetrate out of the shell; one side of the piston plate, which is far away from the movable sleeve, is attached to the inner wall of the shell, the interior of the shell is divided into two chambers by the piston plate, and two oil ports which are respectively communicated with the chambers are arranged on the shell; one end of the movable sleeve, which penetrates out of the shell, is connected with the end connector, and the end connector is used for connecting a device to be extruded.

In some embodiments, the tip connector includes a connection portion and a snap-fit portion; the connecting part is connected with one end of the movable sleeve, the clamping part is used for being connected with the device to be extruded, and the connecting part is clamped with the clamping part.

In some embodiments, the connecting part comprises a connecting ring, the connecting ring is connected with one end of the movable sleeve, and a clamping protrusion is arranged on the peripheral surface of the connecting ring; the clamping part comprises a clamping groove which is arranged towards the connecting part, an annular baffle ring which protrudes towards the center is arranged at the notch of the clamping groove, and an avoidance opening for allowing the clamping protrusion to pass through is arranged on the annular baffle ring; the clamping protrusion is inserted into the clamping groove through the avoidance opening and is clamped with the annular baffle ring after rotating.

In some embodiments, the connecting ring is provided with a plurality of clamping protrusions which are uniformly distributed along the circumferential direction; the annular baffle ring is circumferentially provided with avoidance openings with the same number as the clamping protrusions.

In some embodiments, further comprising a carrier plate; the middle part of the carrier plate is provided with a mounting hole, the shell penetrates through the mounting hole, and the outer wall of the shell is fixedly connected with the carrier plate.

In some embodiments, an end of the housing away from the end connector is a plane, the plane is flush with the surface of the carrier plate, and the plane and the surface of the carrier plate are fixedly connected through a connecting structure.

In some embodiments, a first concave notch is formed in the edge of the mounting hole on the carrier plate, and a second concave notch is formed in the edge of the shell; when the shell rotates to the installation position, the first notch and the second notch are in butt joint to form a groove-shaped structure, the connecting structure comprises a limiting block, and the limiting block is arranged in the groove-shaped structure.

In some embodiments, further comprising mounting a guide post; the middle part of the shaft body is provided with a perforation arranged along the axis, and the shaft body is sleeved on the installation guide post and slides along the axial direction of the installation guide post.

In some embodiments, the carrier plate is provided with a pipeline hole, and the pipeline hole is communicated with the mounting hole; and an oil pipe is arranged in the pipeline hole in a penetrating way, one end of the oil pipe is connected with the oil port, and the other end of the oil pipe is positioned at the outer side of the carrier plate.

The utility model also provides an aluminum casting die which comprises the extrusion oil cylinder structure.

According to the extrusion oil cylinder structure and the aluminum casting die, the piston, the shell and the shaft body form the cylinder body structure capable of providing axial extrusion force, and extrusion oil liquid is respectively introduced into the two cavities to complete extrusion/resetting operation of the cylinder body; the end part of the cylinder body structure is connected with the device to be extruded through the end connector, the cylinder body structure can be integrated on the device to be extruded through the end connector, stable extrusion force output can be provided by the cylinder body structure, and the installation operation of the cylinder body structure is simple and quick, and the operation is time-saving and labor-saving.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present utility model are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

Fig. 1 is a schematic structural diagram of an extrusion cylinder structure according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a squeeze cylinder structure according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of an extrusion cylinder structure according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a clamping portion in an extrusion cylinder structure according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of an installation state of an extrusion cylinder structure according to an embodiment of the present utility model.

In the figure:

1: a shaft body; 2: a piston; 3: a housing; 4: an end connector; 5: a carrier plate; 6: installing a guide post;

21: a movable sleeve; 22: a piston plate;

31: a chamber; 32: an oil port; 33: a second notch;

41: a connection part; 411: a connecting ring; 412: the clamping bulge; 42: a clamping part; 421: an annular baffle ring; 422: an avoidance port;

51: a connection structure; 52: a first notch; 53: and (5) an oil pipe.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions according to the embodiments of the present utility model will be clearly described in the following with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model provides an extrusion oil cylinder structure which comprises a shaft body, a piston, a shell and an end connector. The shaft body, the piston and the shell form an axially movable cylinder body structure, the end part of the cylinder body structure is connected with an end connector, and the end connector is connected with the device to be extruded; the end connector is used for being connected with the device to be extruded fast and stably.

The following describes each structure of the extrusion cylinder structure and the connection relationship between each structure according to the embodiment of the present utility model with reference to the accompanying drawings.

As shown in fig. 1 to 5, in the embodiment of the present utility model, a piston 2 includes a movable sleeve 21 and a piston plate 22, the movable sleeve 21 is sleeved on a shaft body 1, the piston plate 22 is annularly sleeved in the middle of the movable sleeve 21, the shaft body 1 and the piston plate 22 are arranged in a housing 3, one end of the shaft body 1 is fixedly connected with the inner wall of the housing 3, and the movable sleeve 21 at the other end and the same end of the shaft body 1 penetrates out of the housing 3; the side of the piston plate 22 far away from the movable sleeve 21 is attached to the inner wall of the shell 3, the interior of the shell 3 is divided into two chambers 31 by the piston plate 22, and two oil ports 32 respectively communicated with the chambers 31 are arranged on the shell 3.

The movable sleeve 21 and the end of the shaft body 1 are movably and hermetically connected with the housing 3, for example, the sealing connection adopts a sealing ring arrangement mode, that is, the movable sleeve 21 is in a sealing relation with the housing 3 in the sliding process, so that oil leakage can be avoided.

The oil port 32 of the shell 3 is connected with a pumping device of oil, the pumping device conveys the oil to one chamber 31, the oil presses the piston plate 22, the movable sleeve 21 is driven to slide by the piston plate 22, when the oil is conveyed by the chamber 31, the oil of the other chamber 31 is discharged, and otherwise, the flowing direction of the oil is opposite. The embodiment of the utility model does not limit the pumping device.

With continued reference to fig. 1 to 5, in the embodiment of the present utility model, the end of the movable sleeve 21 penetrating out of the housing 3 is connected to the end connector 4, and the end connector 4 is used for connecting to-be-extruded devices.

Specifically, the end connector 4 includes a connecting portion 41 and a clamping portion 42; the connecting portion 41 is connected with one end of the movable sleeve 21, the clamping portion 42 is used for being connected with a device to be extruded, and the connecting portion 41 is clamped with the clamping portion 42. When in use, the connecting part 41 is arranged on the movable sleeve 21, the clamping part 42 is arranged on the device to be extruded, for example, the connecting part 41 and the clamping part 42 are respectively connected with the connected structure in a screw fastening mode, and finally, the connecting part 41 and the clamping part 42 are connected, so that the connection between the movable sleeve 21 and the device to be extruded can be realized, and the device to be extruded can be extruded through the movable sleeve 21.

For example, the connecting portion 41 includes a connecting ring 411, the connecting ring 411 is connected with one end of the movable sleeve 21, and a clamping protrusion 412 is provided on the circumferential surface of the connecting ring 411; the clamping part 42 comprises a clamping groove arranged towards the connecting part 41, an annular baffle ring 421 protruding towards the center is arranged at the notch of the clamping groove, and an avoidance port 422 for allowing the clamping protrusion 412 to pass through is arranged on the annular baffle ring 421; the locking protrusion 412 is inserted into the locking groove through the escape hole 422 and is locked with the annular blocking ring 421 after rotating.

The annular baffle ring 421 and the bottom of the clamping groove form axial limit to the clamping protrusion 412, the clamping protrusion 412 can be inserted into the clamping groove through the avoiding opening 422, then the connecting ring 411 is rotated, the connecting ring 411 drives the clamping protrusion 412 to rotate, the clamping protrusion 412 is arranged in a staggered manner with the avoiding opening 422, and the clamping protrusion 412 and the avoiding opening 422 can be prevented from being axially separated.

For example, the bottom of the clamping groove may be formed integrally with the clamping groove, or may be formed by assembling other structures with the clamping portion 42. For example, the clamping portion 42 is sleeve-shaped, one end of the clamping portion is abutted with other structures (such as a device to be extruded) to form a groove-shaped structure, and the other end of the clamping portion is provided with an annular baffle ring 421.

For example, the connecting ring 411 is provided with a plurality of clamping protrusions 412 uniformly distributed along the circumferential direction; the annular baffle ring 421 is provided with a plurality of avoidance ports 422 which are the same as the clamping protrusions 412 in number along the circumferential direction. For example, as shown in fig. 1 and 3, 3 clamping protrusions 412 are uniformly arranged on the connection ring 411, and 3 avoiding openings 422 are uniformly arranged on the annular baffle ring 421; alternatively, for example, the shape of the snap-fit protrusions 412 and the relief openings 422 may be a particular shape, such as a dovetail shape.

As shown in fig. 5, in the embodiment of the present utility model, the extrusion cylinder structure further includes a carrier plate 5; the middle part of the carrier plate 5 is provided with a mounting hole, the shell 3 is penetrated in the mounting hole, and the outer wall of the shell 3 is fixedly connected with the carrier plate 5.

The carrier plate 5 is used as a carrier of the cylinder body structure, and after the cylinder body structure is connected with the carrier plate 5, the carrier plate 5 is connected with the aluminum casting die in a superposition manner, so that the cylinder body structure and the aluminum casting die form an integral structure.

In the embodiment of the utility model, the end of the housing 3 away from the end connector 4 is a plane, the plane is flush with the surface of the carrier plate 5, and the plane and the surface of the carrier plate 5 are fixedly connected through a connecting structure 51.

For example, the mounting hole on the carrier plate 5 is a circular hole, the outer shape of the housing 3 is cylindrical, and the bottom end surface of the cylindrical housing 3 is flush with the surface of the carrier plate 5 to form an integral plane, and the integral plane is fixedly connected by the connecting structure 51.

For example, a first concave notch 52 is arranged on the edge of the mounting hole on the carrier plate 5, and a second concave notch 33 is arranged on the edge of the shell 3; when the shell 3 rotates to the installation position, the first notch 52 and the second notch 33 are in butt joint to form a groove-shaped structure, the connecting structure 51 comprises a limiting block, and the limiting block is arranged in the groove-shaped structure.

Be provided with the dog in the draw-in groove, the bellied 412 of joint is inserted the draw-in groove through dodging the hole after, rotates the cylinder body structure afterwards, and bellied 412 of joint rotates and the butt is on the dog, and bellied 412 of joint rotates in place, and first breach 52 and second breach 33 are relative to set up this moment to form the slot-like structure.

For example, a bar slot is disposed at the bottom of the first notch 52 or the second notch 33, a bar protrusion is disposed on the stopper, and when the stopper is connected with the groove structure, the stopper is clamped into the groove structure, and the bar protrusion is clamped into the bar slot.

In the embodiment of the utility model, the extrusion oil cylinder structure further comprises an installation guide post 6; the middle part of the shaft body 1 is provided with a perforation arranged along the axis, and the shaft body 1 is sleeved on the installation guide post 6 and axially slides along the installation guide post 6.

When the cylinder body structure is used, the installation guide post 6 is connected to the device to be extruded or is installed on the aluminum casting die, and then the shaft body 1 is sleeved on the installation guide post 6 and slides along with the installation guide post 6, so that the installation operation of the cylinder body structure is completed.

With continued reference to fig. 5, in the embodiment of the present utility model, a pipe hole is provided on the carrier plate 5, and the pipe hole is communicated with the mounting hole; an oil pipe 53 is arranged in the pipeline hole in a penetrating way, one end of the oil pipe 53 is connected with the oil port 32, and the other end of the oil pipe is positioned on the outer side of the carrier plate 5.

The embodiment of the utility model also provides an aluminum casting die, which comprises the extrusion oil cylinder structure. The extrusion oil cylinder structure is connected with the aluminum casting die, so that the extrusion oil cylinder structure is matched with the aluminum casting die, and axial extrusion force can be provided in the aluminum casting die.

For example, the cast aluminum mold includes a plurality of superimposed carrier plates 5, and the partial carrier plates 5 are superimposed with the carrier plates 5 of the squeeze cylinder structure, thereby forming an integrally structured cast aluminum mold.

According to the extrusion oil cylinder structure and the aluminum casting die, the piston 2, the shell 3 and the shaft body 1 form the cylinder body structure capable of providing axial extrusion force, and extrusion oil is respectively introduced into the two cavities to complete extrusion/resetting operation of the cylinder body; the end part of the cylinder body structure is connected with the device to be extruded through the end connector 4, the cylinder body structure can be integrated on the device to be extruded through the end connector 4, stable extrusion force output can be provided by the cylinder body structure, and the installation operation of the cylinder body structure is simple and quick, and the operation is time-saving and labor-saving.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The extrusion oil cylinder structure is characterized by comprising a shaft body (1), a piston (2), a shell (3) and an end connector (4);

the piston (2) comprises a movable sleeve (21) and a piston plate (22), the movable sleeve (21) is sleeved on the shaft body (1), the piston plate (22) is annularly sleeved on the middle of the movable sleeve (21), the shaft body (1) and the piston plate (22) are arranged in the shell (3), one end of the shaft body (1) is fixedly connected with the inner wall of the shell (3), and the other end of the shaft body (1) and the movable sleeve (21) at the same end penetrate out of the shell (3);

one side of the piston plate (22) far away from the movable sleeve (21) is attached to the inner wall of the shell (3), the interior of the shell (3) is divided into two chambers (31) through the piston plate (22), and two oil ports (32) which are respectively communicated with the chambers (31) are formed in the shell (3);

one end of the movable sleeve (21) penetrating out of the shell (3) is connected with the end connector (4), and the end connector (4) is used for connecting a device to be extruded.

2. The squeeze cylinder structure according to claim 1, wherein the tip connector (4) includes a connecting portion (41) and a clamping portion (42);

the connecting part (41) is connected with one end of the movable sleeve (21), the clamping part (42) is used for being connected with the device to be extruded, and the connecting part (41) is clamped with the clamping part (42).

3. The squeeze cylinder structure according to claim 2, wherein the connecting portion (41) includes a connecting ring (411), the connecting ring (411) is connected with one end of the movable sleeve (21), and a clamping protrusion (412) is provided on a peripheral surface of the connecting ring (411);

the clamping part (42) comprises a clamping groove which is arranged towards the connecting part (41), an annular baffle ring (421) which protrudes towards the center is arranged at the notch of the clamping groove, and an avoidance port (422) for allowing the clamping protrusion (412) to pass through is arranged on the annular baffle ring (421);

the clamping protrusion (412) is inserted into the clamping groove through the avoidance opening (422) and is clamped with the annular baffle ring (421) after rotating.

4. A squeeze cylinder structure according to claim 3, wherein a plurality of the snap-fit projections (412) are provided on the connection ring (411) uniformly distributed in the circumferential direction;

the annular baffle ring (421) is circumferentially provided with the avoidance ports (422) the same as the clamping protrusions (412).

5. The squeeze cylinder structure according to any one of claims 1 to 4, further comprising a carrier plate (5);

the middle part of the carrier plate (5) is provided with a mounting hole, the shell (3) is arranged in the mounting hole in a penetrating mode, and the outer wall of the shell (3) is fixedly connected with the carrier plate (5).

6. The extrusion cylinder structure according to claim 5, characterized in that the end of the housing (3) remote from the end connector (4) is a plane, which is flush with the surface of the carrier plate (5), and the plane is fixedly connected with the surface of the carrier plate (5) by a connecting structure (51).

7. The extrusion cylinder structure according to claim 6, wherein the edge of the carrier plate (5) located at the mounting hole is provided with a first concave notch (52), and the edge of the housing (3) is provided with a second concave notch (33);

when the shell (3) rotates to the installation position, the first notch (52) and the second notch (33) are in butt joint to form a groove-shaped structure, the connecting structure (51) comprises a limiting block, and the limiting block is arranged in the groove-shaped structure.

8. The squeeze cylinder structure according to any one of claims 1 to 4, further comprising a mounting guide post (6);

the middle part of the shaft body (1) is provided with a perforation arranged along the axis, and the shaft body (1) is sleeved on the installation guide post (6) and axially slides along the installation guide post (6).

9. The extrusion cylinder structure according to claim 7, wherein the carrier plate (5) is provided with a pipe hole, and the pipe hole is communicated with the mounting hole;

an oil pipe (53) is arranged in the pipeline hole in a penetrating way, one end of the oil pipe (53) is connected with the oil port (32), and the other end of the oil pipe is positioned on the outer side of the carrier plate (5).

10. An aluminum casting die, characterized by comprising the extrusion cylinder structure according to any one of claims 1 to 9.