CN219932621U - Rotary hydraulic clamping cylinder - Google Patents
Rotary hydraulic clamping cylinder Download PDFInfo
- Publication number
- CN219932621U CN219932621U CN202321167230.8U CN202321167230U CN219932621U CN 219932621 U CN219932621 U CN 219932621U CN 202321167230 U CN202321167230 U CN 202321167230U CN 219932621 U CN219932621 U CN 219932621U
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- cam
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- clamping device
- cylinder
- inner cavity
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- 238000004512 die casting Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The utility model relates to the technical field of hydraulic clamping cylinders, in particular to a rotary hydraulic clamping cylinder which comprises a cylinder body and a piston, wherein an inner cavity is arranged in the cylinder body, a first pressurizing port and a second pressurizing port are arranged on the cylinder body, one end of the piston is fixedly connected with a cylindrical cam mechanism, the cylindrical cam mechanism is movably arranged in the inner cavity, the other end of the piston penetrates out of the inner cavity and then is fixedly connected with a limiting block, and the limiting block penetrates through a clamping device and then is rotationally limited; the side wall of the inner cavity is fixed with a cam roller, and the cylindrical cam mechanism is correspondingly provided with a cam groove for accommodating one end of the cam roller to move inside. The fixed cam roller is matched with the movable cam groove through the matching of the cylindrical cam mechanism and the limiting block, so that the piston rotates when moving, the clamping device is fixed and separated, and the clamping device is convenient to replace, namely, the cavity in the product die is replaced; through rotating the hydraulic clamping cylinder, the fixation of the mold cavity is realized, the output force during replacement is provided, and the replacement time is shortened.
Description
Technical Field
The utility model relates to the technical field of hydraulic clamping cylinders, in particular to a rotary hydraulic clamping cylinder.
Background
In recent years, the use of aluminum alloy die casting has been increasing, as has the case of casting a variety of similar products. The die casting mold is divided into two parts, one part is an external mold frame, the other part is an internal cavity, and the cost is increased when the similar product is independently manufactured into the die casting mold each time. To save costs and time, similar products may use the same external mold frame.
Although similar products only need to replace the cavity in the product mould, the cavity needs to be fixed during working, and the output force which is larger than the demolding resistance is removed during replacing the cavity. Therefore, the hydraulic clamping cylinder is developed for shortening the replacement time based on the fixed requirement of the cavity and the output force requirement at the time of replacement.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to overcome the defects existing in the prior art, the rotary hydraulic clamping cylinder is provided.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a rotatory hydraulic pressure clamping cylinder, includes cylinder body and piston, the cylinder body in be equipped with the inner chamber, be equipped with first pressurization mouth and second pressurization mouth on the cylinder body, piston one end fixedly connected with cylindrical cam mechanism moves in the inner chamber, the other end wears out the inner chamber after fixed connection stopper, the stopper pass rotatory spacing behind the clamping device. Through the cooperation of cylinder cam mechanism and stopper, realize the rotatory spacing and the translation separation to clamping device.
When the first pressurizing port is pressurized, the piston moves forward, and the piston is driven by the cylindrical cam mechanism to rotate for 90 degrees and then continuously moves forward for a certain period, and in the state, the clamping device can be separated from the limiting block, so that the clamping device can be replaced;
when the second pressurizing port is pressurized, the piston is retracted for a certain period, and then is driven to rotate by 90 degrees through the cylindrical cam mechanism, and in the state, the clamping device is limited by the limiting block, namely, the hydraulic clamping cylinder outputs and fixes the clamping device.
Further, a cam roller is fixed on the side wall of the inner cavity, and a cam groove for accommodating one end of the cam roller to move inside is correspondingly arranged on the cylindrical cam mechanism. Through the cooperation of fixed cam roller and movable cam groove, realize that the piston takes place to rotate when the motion, and then realize fixing and breaking away from clamping device, be convenient for change clamping device, change the inside die cavity of product mould promptly.
Further, the cam groove comprises a horizontal straight groove and an arc-shaped rotary groove, and the corresponding rotary angle of the arc-shaped rotary groove is 90 degrees.
Further, 2-4 cam rollers are arranged and uniformly arranged on the side wall of the inner cavity in a ring mode. The translation and rotation of the cylindrical cam mechanism are limited by the cam rollers, so that the stability of movement is ensured.
Further, the clamping device is provided with an opening through which the tolerance block passes, the limiting block is limited by the opening after rotating by 90 degrees, namely, the opening is provided with a long side and a short side, the tolerance block in the long side direction passes through the limiting block, the short side direction limits the limiting block, and the opening can adopt structures such as a rectangle, an ellipse or a runway-like structure combined by the rectangle and a semicircle.
The beneficial effects of the utility model are as follows: the fixed cam roller is matched with the movable cam groove through the matching of the cylindrical cam mechanism and the limiting block, so that the piston rotates when moving, the clamping device is fixed and separated, and the clamping device is convenient to replace, namely, the cavity in the product die is replaced; through rotating the hydraulic clamping cylinder, the fixation of the mold cavity is realized, the output force during replacement is provided, and the replacement time is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
fig. 3 is a schematic view of the cylindrical cam mechanism of the present utility model.
Reference numerals in the drawings: the device comprises a 1-cylinder body, a 11-inner cavity, a 12-first pressurizing port, a 13-second pressurizing port, a 2-cylindrical cam mechanism, a 21-cam groove, a 3-piston, a 4-limiting block, a 5-clamping device and a 6-cam roller.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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 rotary hydraulic clamping cylinder shown in fig. 1-3 comprises a cylinder body 1 and a piston 3, wherein an inner cavity 11 is arranged in the cylinder body 1, a first pressurizing port 12 and a second pressurizing port 13 are arranged on the cylinder body 1, one end of the piston 3 is fixedly connected with a cylindrical cam mechanism 2, the cylindrical cam mechanism is movably arranged in the inner cavity 11, the other end of the piston 3 penetrates through the inner cavity 11 and then is fixedly connected with a limiting block 4, and the limiting block 4 penetrates through a clamping device 5 and then is rotationally limited. Through the cooperation of cylinder cam mechanism 2 and stopper, realize the rotatory spacing and the translation separation to clamping device.
When the first pressurizing port 12 is pressurized, the piston 3 advances, the piston 3 is driven by the cylindrical cam mechanism 2 to rotate 90 degrees and then continues to advance for a certain period, and in this state, the clamping device 5 can be separated from the limiting block 4, namely the clamping device 5 can be replaced;
when the second pressurizing port 13 is pressurized, after the piston 3 retreats for a certain period, the piston 3 is driven by the cylindrical cam mechanism 2 to rotate 90 degrees, and in this state, the clamping device 5 is limited by the limiting block 4, namely, the hydraulic clamping cylinder outputs and fixes the clamping device 5.
The cam roller 6 is fixed on the side wall of the inner cavity 11, and the cam groove 21 for accommodating one end of the cam roller 6 to move inside is correspondingly arranged on the cylindrical cam mechanism 2. Through the cooperation of the fixed cam roller 6 and the movable cam groove 21, the piston 3 rotates during movement, so that the clamping device 5 is fixed and separated, and the clamping device 5, namely the cavity inside a product mold, is convenient to replace.
The cam groove 21 includes a horizontal straight groove and an arc-shaped rotary groove, and the arc-shaped rotary groove corresponds to a rotation angle of 90 °.
The cam rollers 6 are provided with 3, and evenly arranged on the side wall of the inner cavity 11 in a ring mode. The translation and rotation of the cylindrical cam mechanism 2 are limited by the 3 cam rollers 6, so that the stability of movement is ensured.
The clamping device 5 is provided with an opening through which the tolerance block 4 passes, the limiting block 4 is limited by the opening after rotating by 90 degrees, namely, the opening has long sides and short sides, the tolerance block 4 in the long side direction passes, the limiting block 4 in the short side direction is limited, and the opening adopts a rectangular structure with chamfers.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a rotatory hydraulic pressure clamping cylinder, includes cylinder body (1) and piston (3), its characterized in that: the cylinder body (1) in be equipped with inner chamber (11), be equipped with first pressurization mouth (12) and second pressurization mouth (13) on cylinder body (1), piston (3) one end fixedly connected with cylinder cam mechanism (2) activity in inner chamber (11), the other end wear out inner chamber (11) after fixed connection stopper (4), stopper (4) pass rotatory spacing behind clamping device (5).
2. The rotary hydraulic clamp cylinder according to claim 1, wherein: the cam roller (6) is fixed on the side wall of the inner cavity (11), and a cam groove (21) for accommodating one end of the cam roller (6) to move inside is correspondingly arranged on the cylindrical cam mechanism (2).
3. The rotary hydraulic clamp cylinder of claim 2, wherein: the cam groove (21) comprises a horizontal straight groove and an arc-shaped rotary groove, and the corresponding rotary angle of the arc-shaped rotary groove is 90 degrees.
4. The rotary hydraulic clamp cylinder of claim 2, wherein: the cam rollers (6) are provided with 2-4 cam rollers, and are uniformly arranged on the side wall of the inner cavity (11) in a surrounding mode.
5. The rotary hydraulic clamp cylinder according to claim 1, wherein: the clamping device (5) is provided with an opening through which the tolerance block (4) passes, and the limiting block (4) is limited by the opening after rotating by 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321167230.8U CN219932621U (en) | 2023-05-15 | 2023-05-15 | Rotary hydraulic clamping cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321167230.8U CN219932621U (en) | 2023-05-15 | 2023-05-15 | Rotary hydraulic clamping cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932621U true CN219932621U (en) | 2023-10-31 |
Family
ID=88499717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321167230.8U Active CN219932621U (en) | 2023-05-15 | 2023-05-15 | Rotary hydraulic clamping cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932621U (en) |
-
2023
- 2023-05-15 CN CN202321167230.8U patent/CN219932621U/en active Active
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