CN216027655U - Material throwing type oil pressure quick clamping device - Google Patents
Material throwing type oil pressure quick clamping device Download PDFInfo
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- CN216027655U CN216027655U CN202122561829.7U CN202122561829U CN216027655U CN 216027655 U CN216027655 U CN 216027655U CN 202122561829 U CN202122561829 U CN 202122561829U CN 216027655 U CN216027655 U CN 216027655U
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Abstract
The utility model discloses a material throwing type oil pressure quick clamping device, which comprises: the material throwing device comprises a base, a reciprocating stroke cylinder, a first oil pressure cavity, a second oil pressure cavity, a first chuck, a second chuck and a material throwing air port, wherein the reciprocating stroke cylinder is arranged at one end of the base; the output end of the reciprocating stroke cylinder is provided with a second oil pressure cavity, the output end of the second oil pressure cavity is provided with a second chuck, and the second chuck and the first chuck are arranged correspondingly; the bottom of the base part is provided with a material throwing air port; on the one hand, the reciprocating motion change of the stroke cylinder is utilized, the double-station alternate work is realized under the condition of increasing the output power, the processing efficiency is improved, the cost is avoided from increasing, on the other hand, the pneumatic material throwing is adopted, the workpiece is quickly separated from the station, the workpiece feeding speed is accelerated, and the processing efficiency is improved.
Description
Technical Field
The utility model belongs to the field of tool fixtures, and particularly relates to a material throwing type oil pressure quick clamping device.
Background
Stamping equipment is widely used in various metal processing industries as one of important components of industrial basic equipment, and the production quality of the stamping equipment determines the final quality of products. With the continuous progress of the stamping equipment, tooling molds on the equipment also need to be continuously updated and updated, and the development towards precision and high efficiency is carried out, particularly in the high-speed stamping industry, which means higher efficiency and lower cost.
The existing clamping devices still have many defects, for example, the existing clamping devices mostly have the problem of low efficiency, and due to the problems of abrasion and heat accumulation in mechanical movement, the clamping devices cannot be accelerated after reaching a certain clamping and clamping changing speed, and the production efficiency is low. Simultaneously, the slow problem of unloading speed in most existence of present clamping device, owing to need provide the location, the device can not go up the unloading with the conveyer belt form completely, need move the back unloading to the third direction, has occupied a large amount of time when high-speed punching press, influences machining efficiency. Therefore, the present application has made innovations and improvements to the clamping device with respect to the above problems.
The existing clamping device mainly has the following problems:
1. most of the existing clamping devices have the problem of low efficiency, and due to the problems of abrasion and heat accumulation in mechanical movement, the clamping devices cannot increase the speed after reaching a certain clamping and clamping changing speed, so that the production efficiency is low.
2. The problem that unloading speed is slow exists mostly in present clamping device, owing to need provide the location, the device can not go up the unloading with the conveyer belt form completely, need move the back unloading to the third direction, has occupied a large amount of time when high-speed punching press, influences machining efficiency.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects, the utility model aims to provide the material throwing type oil pressure quick clamping device which realizes double-station alternate work under the condition of increasing output power by utilizing reciprocating motion change of a stroke cylinder, improves the machining efficiency and avoids cost increase, and adopts pneumatic material throwing to quickly separate a workpiece from a station, accelerate the workpiece feeding speed and improve the machining efficiency.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a material throwing type oil pressure quick clamping device, comprising: the material throwing device comprises a base, a reciprocating stroke cylinder, a first oil pressure cavity, a second oil pressure cavity, a first chuck, a second chuck and a material throwing air port, wherein the reciprocating stroke cylinder is arranged at one end of the base; the output end of the reciprocating stroke cylinder is provided with a second oil pressure cavity, the second oil pressure cavity is arranged on one side of the first oil pressure cavity, the output end of the second oil pressure cavity is provided with a second chuck, and the second chuck is arranged corresponding to the first chuck; the bottom of the base part is provided with a material throwing air port.
The reciprocating stroke cylinder is divided into a first driving cavity and a second driving cavity by a piston, the first driving cavity is connected with a first oil pressure cavity, and the second driving cavity is connected with a second oil pressure cavity; the first oil pressure cavity and the second oil pressure cavity are arranged in parallel, the first oil pressure cavity is linked with the second oil pressure cavity, and the first oil pressure cavity and the second oil pressure cavity are opposite in moving direction.
The reciprocating stroke cylinder is arranged, and the reciprocating motion change of the stroke cylinder is utilized, so that the double-station alternate work is realized under the condition of increasing the output power, the processing efficiency is improved, and the cost is prevented from being increased.
The first chuck comprises a fixed terminal, a clamping plate and a plurality of abdicating grooves, wherein the fixed terminal is arranged at the output end of the first oil pressure cavity, the clamping plate is arranged on the fixed terminal, the abdicating grooves are formed in the clamping plate, and the abdicating grooves are matched with the second chuck; the second chuck is the same as the first chuck in structure, and the second chuck is arranged opposite to the first chuck.
The arrangement of the chucks in the utility model is mutually abduced, the space is compact, the clamping positions of the two chucks are slightly changed, the position of a workpiece cannot be changed, the processing of the workpiece is not influenced, and the product quality is ensured.
The material throwing air port comprises an air port channel, a pulse air valve, a first detection switch, a second detection switch and a relay, wherein the bottom of the base part is provided with the air port channel, and the pulse air valve is arranged in the air port channel; the base is provided with a first detection switch, the first detection switch is arranged on one side of the first chuck, the first detection switch is connected with a relay, and the relay is connected with the pulse air valve; and a second detection switch is arranged on one side of the second chuck, the second detection switch is arranged on the base part, and the second detection switch is connected with the relay.
According to the utility model, the material throwing air port is arranged, and pneumatic material throwing is adopted, so that the workpiece is quickly separated from the station, the workpiece feeding speed is increased, and the processing efficiency is improved.
The port channels described in the present invention are arranged obliquely.
The arrangement of the air port channel avoids that the workpiece cannot be thrown out of the device.
The feeder is arranged at one end of the base part and comprises a feeding plate, a feeding roller, a constant-speed motor, a coupler and a brake pad, wherein the feeding plate is arranged at one end of the base part, the feeding roller is arranged on the feeding plate, and the feeding roller is matched with the feeding plate; a constant-speed motor is arranged on the feeding plate, a coupler is arranged at the output end of the constant-speed motor, and the coupler is connected with a feeding roller; the feeding plate is provided with a brake pad, the brake pad is linked with the coupler through a bearing, and the brake pad is matched with the feeding roller.
The coupler is connected with the reciprocating stroke cylinder, and the coupler is connected with two ends of the reciprocating stroke cylinder through the proximity switch.
The feeder is arranged, and the sensor structure is matched with the device, so that the synchronism of feeding and processing is ensured, and the processing error is avoided.
The working method comprises the following steps: the reciprocating stroke cylinder moves towards one end, the first chuck clamps, the second chuck retracts, meanwhile, the proximity switch responds, the coupler is disconnected, the brake pad is influenced by the movement of the coupler to be in contact with the feeding roller, and the feeding roller stops feeding; after the processing is finished, the reciprocating stroke cylinder moves towards the other end, the first chuck begins to retract, the second chuck begins to clamp, the first detection switch responds, the pulse air valve conducts ventilation and material throwing, meanwhile, the proximity switch loses response, and the coupler starts to feed in a coupling mode; and the reciprocating stroke cylinder moves to the end head at the other end, the second chuck finishes clamping, and the coupler is disconnected again due to the response of the proximity switch.
The technical scheme shows that the utility model has the following beneficial effects:
1. according to the material throwing type oil pressure quick clamping device, double-station alternate work is realized under the condition of increasing output power by utilizing the reciprocating motion change of the stroke cylinder, the machining efficiency is improved, and the cost is prevented from being increased.
2. According to the material throwing type oil pressure quick clamping device, pneumatic material throwing is adopted, so that a workpiece is quickly separated from a station, the workpiece feeding speed is increased, and the machining efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a first chuck according to the present invention;
FIG. 3 is a schematic side view of the overall structure of the present invention;
FIG. 4 is a schematic view of the structure of the material throwing port of the present invention;
FIG. 5 is a schematic diagram of an electrical structure of the material ejection port of the present invention;
FIG. 6 is a schematic view of the structure of the feeder of the present invention;
in the figure: the device comprises a base part-1, a reciprocating stroke cylinder-2, a first oil pressure cavity-3, a second oil pressure cavity-4, a first chuck-5, a fixed terminal-51, a clamping plate-52, a abdicating groove-53, a second chuck-6, a material throwing air port-7, an air port channel-71, a pulse air valve-72, a first detection switch-73, a second detection switch-74, a relay-75, a feeder-8, a feeding plate-81, a feeding roller-82, a constant speed motor-83, a coupler-84 and a brake pad-85.
Detailed Description
The utility model is further elucidated with reference to the drawings and the embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
A material throwing type oil pressure quick clamping device as shown in fig. 1, comprising: the device comprises a base 1, a reciprocating stroke cylinder 2, a first oil pressure cavity 3, a second oil pressure cavity 4, a first chuck 5, a second chuck 6 and a material throwing air port 7, wherein one end of the base 1 is provided with the reciprocating stroke cylinder 2, the output end of the reciprocating stroke cylinder 2 is provided with the first oil pressure cavity 3, the first oil pressure cavity 3 is arranged on two sides of the base 1, and the output end of the first oil pressure cavity 3 is provided with the first chuck 5; the output end of the reciprocating stroke cylinder 2 is provided with a second oil pressure cavity 4, the second oil pressure cavity 4 is arranged on one side of the first oil pressure cavity 3, the output end of the second oil pressure cavity 4 is provided with a second chuck 6, and the second chuck 6 is arranged corresponding to the first chuck 5; the bottom of the base part 1 is provided with a material throwing air port 7.
In the embodiment, the reciprocating stroke cylinder 2 is divided into a first driving cavity and a second driving cavity by a piston, the first driving cavity is connected with a first oil pressure cavity 3, and the second driving cavity is connected with a second oil pressure cavity 4; the first oil pressure cavity 3 and the second oil pressure cavity 4 are arranged in parallel, the first oil pressure cavity 3 is linked with the second oil pressure cavity 4, and the first oil pressure cavity 3 and the second oil pressure cavity 4 are opposite in movement direction.
The first chuck 5 in this embodiment includes a fixed terminal 51, a clamping plate 52 and a yielding groove 53, the fixed terminal 51 is disposed at an output end of the first oil pressure chamber 3, the clamping plate 52 is disposed on the fixed terminal 51, the yielding groove 53 is disposed on the clamping plate 52, the yielding grooves 53 are plural, and the yielding groove 53 is matched with the second chuck 6; the second chuck 6 has the same structure as the first chuck 5, and the second chuck 6 is arranged opposite to the first chuck 5.
The material throwing air port 7 in the embodiment comprises an air port channel 71, a pulse air valve 72, a first detection switch 73, a second detection switch 74 and a relay 75, wherein the air port channel 71 is arranged at the bottom of the base part 1, and the pulse air valve 72 is arranged in the air port channel 71; a first detection switch 73 is arranged on the base part 1, the first detection switch 73 is arranged on one side of the first chuck 5, the first detection switch 73 is connected with a relay 75, and the relay 75 is connected with a pulse air valve 72; a second detection switch 74 is provided on one side of the second chuck 6, the second detection switch 74 is provided on the base 1, and the second detection switch 74 is connected to a relay 75.
The port channels 71 described in this embodiment are arranged obliquely.
The base 1 in this embodiment is provided with a feeder 8 at one end, the feeder 8 comprises a feeding plate 81, a feeding roller 82, a constant speed motor 83, a coupler 84 and a brake pad 85, the feeding plate 81 is provided at one end of the base 1, the feeding roller 82 is provided on the feeding plate 81, and the feeding roller 82 is matched with the feeding plate 81; a constant-speed motor 83 is arranged on the feeding plate 81, a coupler 84 is arranged at the output end of the constant-speed motor 83, and the coupler 84 is connected with the feeding roller 82; the feeding plate 81 is provided with a brake block 85, the brake block 85 is linked with the coupler 84 through a bearing, and the brake block 85 is matched with the feeding roller 82.
The coupler 84 described in this embodiment is connected to the reciprocating stroke cylinder 2, and the coupler 84 is connected to both ends of the reciprocating stroke cylinder 2 via proximity switches.
Example 2
A material throwing type oil pressure quick clamping device as shown in fig. 1-3, comprising: the device comprises a base 1, a reciprocating stroke cylinder 2, a first oil pressure cavity 3, a second oil pressure cavity 4, a first chuck 5, a second chuck 6 and a material throwing air port 7, wherein one end of the base 1 is provided with the reciprocating stroke cylinder 2, the output end of the reciprocating stroke cylinder 2 is provided with the first oil pressure cavity 3, the first oil pressure cavity 3 is arranged on two sides of the base 1, and the output end of the first oil pressure cavity 3 is provided with the first chuck 5; the output end of the reciprocating stroke cylinder 2 is provided with a second oil pressure cavity 4, the second oil pressure cavity 4 is arranged on one side of the first oil pressure cavity 3, the output end of the second oil pressure cavity 4 is provided with a second chuck 6, and the second chuck 6 is arranged corresponding to the first chuck 5; the bottom of the base part 1 is provided with a material throwing air port 7.
In the embodiment, the reciprocating stroke cylinder 2 is divided into a first driving cavity and a second driving cavity by a piston, the first driving cavity is connected with a first oil pressure cavity 3, and the second driving cavity is connected with a second oil pressure cavity 4; the first oil pressure cavity 3 and the second oil pressure cavity 4 are arranged in parallel, the first oil pressure cavity 3 is linked with the second oil pressure cavity 4, and the first oil pressure cavity 3 and the second oil pressure cavity 4 are opposite in movement direction.
The first chuck 5 in this embodiment includes a fixed terminal 51, a clamping plate 52 and a yielding groove 53, the fixed terminal 51 is disposed at an output end of the first oil pressure chamber 3, the clamping plate 52 is disposed on the fixed terminal 51, the yielding groove 53 is disposed on the clamping plate 52, the yielding grooves 53 are plural, and the yielding groove 53 is matched with the second chuck 6; the second chuck 6 has the same structure as the first chuck 5, and the second chuck 6 is arranged opposite to the first chuck 5.
Example 3
A material throwing type oil pressure quick clamping device as shown in fig. 1, 4 and 5 comprises: the device comprises a base 1, a reciprocating stroke cylinder 2, a first oil pressure cavity 3, a second oil pressure cavity 4, a first chuck 5, a second chuck 6 and a material throwing air port 7, wherein one end of the base 1 is provided with the reciprocating stroke cylinder 2, the output end of the reciprocating stroke cylinder 2 is provided with the first oil pressure cavity 3, the first oil pressure cavity 3 is arranged on two sides of the base 1, and the output end of the first oil pressure cavity 3 is provided with the first chuck 5; the output end of the reciprocating stroke cylinder 2 is provided with a second oil pressure cavity 4, the second oil pressure cavity 4 is arranged on one side of the first oil pressure cavity 3, the output end of the second oil pressure cavity 4 is provided with a second chuck 6, and the second chuck 6 is arranged corresponding to the first chuck 5; the bottom of the base part 1 is provided with a material throwing air port 7.
The material throwing air port 7 in the embodiment comprises an air port channel 71, a pulse air valve 72, a first detection switch 73, a second detection switch 74 and a relay 75, wherein the air port channel 71 is arranged at the bottom of the base part 1, and the pulse air valve 72 is arranged in the air port channel 71; a first detection switch 73 is arranged on the base part 1, the first detection switch 73 is arranged on one side of the first chuck 5, the first detection switch 73 is connected with a relay 75, and the relay 75 is connected with a pulse air valve 72; a second detection switch 74 is provided on one side of the second chuck 6, the second detection switch 74 is provided on the base 1, and the second detection switch 74 is connected to a relay 75.
The port channels 71 described in this embodiment are arranged obliquely.
Example 4
A material throwing type oil pressure quick clamping device as shown in fig. 1 and 6 comprises: the device comprises a base 1, a reciprocating stroke cylinder 2, a first oil pressure cavity 3, a second oil pressure cavity 4, a first chuck 5, a second chuck 6 and a material throwing air port 7, wherein one end of the base 1 is provided with the reciprocating stroke cylinder 2, the output end of the reciprocating stroke cylinder 2 is provided with the first oil pressure cavity 3, the first oil pressure cavity 3 is arranged on two sides of the base 1, and the output end of the first oil pressure cavity 3 is provided with the first chuck 5; the output end of the reciprocating stroke cylinder 2 is provided with a second oil pressure cavity 4, the second oil pressure cavity 4 is arranged on one side of the first oil pressure cavity 3, the output end of the second oil pressure cavity 4 is provided with a second chuck 6, and the second chuck 6 is arranged corresponding to the first chuck 5; the bottom of the base part 1 is provided with a material throwing air port 7.
The base 1 in this embodiment is provided with a feeder 8 at one end, the feeder 8 comprises a feeding plate 81, a feeding roller 82, a constant speed motor 83, a coupler 84 and a brake pad 85, the feeding plate 81 is provided at one end of the base 1, the feeding roller 82 is provided on the feeding plate 81, and the feeding roller 82 is matched with the feeding plate 81; a constant-speed motor 83 is arranged on the feeding plate 81, a coupler 84 is arranged at the output end of the constant-speed motor 83, and the coupler 84 is connected with the feeding roller 82; the feeding plate 81 is provided with a brake block 85, the brake block 85 is linked with the coupler 84 through a bearing, and the brake block 85 is matched with the feeding roller 82.
The coupler 84 described in this embodiment is connected to the reciprocating stroke cylinder 2, and the coupler 84 is connected to both ends of the reciprocating stroke cylinder 2 via proximity switches.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (7)
1. The utility model provides a throw material formula oil pressure and press from both sides device soon which characterized in that: the method comprises the following steps: the automatic material throwing device comprises a base (1), a reciprocating stroke cylinder (2), a first oil pressure cavity (3), a second oil pressure cavity (4), a first chuck (5), a second chuck (6) and a material throwing air port (7), wherein the reciprocating stroke cylinder (2) is arranged at one end of the base (1), the first oil pressure cavity (3) is arranged at the output end of the reciprocating stroke cylinder (2), the first oil pressure cavity (3) is arranged at two sides of the base (1), and the first chuck (5) is arranged at the output end of the first oil pressure cavity (3); the output end of the reciprocating stroke cylinder (2) is provided with a second oil pressure cavity (4), the second oil pressure cavity (4) is arranged on one side of the first oil pressure cavity (3), the output end of the second oil pressure cavity (4) is provided with a second chuck (6), and the second chuck (6) is arranged corresponding to the first chuck (5); the bottom of the base (1) is provided with a material throwing air port (7).
2. The material throwing type oil pressure quick clamping device according to claim 1, wherein: the reciprocating stroke cylinder (2) is divided into a first driving cavity and a second driving cavity through a piston, the first driving cavity is connected with a first oil pressure cavity (3), and the second driving cavity is connected with a second oil pressure cavity (4); the first oil pressure cavity (3) and the second oil pressure cavity (4) are arranged in parallel, the first oil pressure cavity (3) is linked with the second oil pressure cavity (4), and the first oil pressure cavity (3) and the second oil pressure cavity (4) are opposite in movement direction.
3. The material throwing type oil pressure quick clamping device according to claim 2, characterized in that: the first chuck (5) comprises a fixed terminal (51), a clamping plate (52) and a yielding groove (53), the fixed terminal (51) is arranged at the output end of the first oil pressure cavity (3), the clamping plate (52) is arranged on the fixed terminal (51), the yielding groove (53) is arranged on the clamping plate (52), the yielding grooves (53) are arranged in a plurality, and the yielding groove (53) is matched with the second chuck (6); the second chuck (6) has the same structure as the first chuck (5), and the second chuck (6) is arranged opposite to the first chuck (5).
4. The material throwing type oil pressure quick clamping device according to claim 1, wherein: the material throwing air port (7) comprises an air port channel (71), a pulse air valve (72), a first detection switch (73), a second detection switch (74) and a relay (75), the air port channel (71) is arranged at the bottom of the base part (1), and the pulse air valve (72) is arranged in the air port channel (71); a first detection switch (73) is arranged on the base (1), the first detection switch (73) is arranged on one side of the first chuck (5), the first detection switch (73) is connected with a relay (75), and the relay (75) is connected with a pulse air valve (72); and a second detection switch (74) is arranged on one side of the second chuck (6), the second detection switch (74) is arranged on the base part (1), and the second detection switch (74) is connected with a relay (75).
5. The material throwing type oil pressure quick clamping device according to claim 4, wherein: the air port channels (71) are obliquely arranged.
6. The material throwing type oil pressure quick clamping device according to claim 1, wherein: one end of the base (1) is provided with a feeder (8), the feeder (8) comprises a feeding plate (81), a feeding roller (82), a constant-speed motor (83), a coupler (84) and a brake pad (85), the feeding plate (81) is arranged at one end of the base (1), the feeding roller (82) is arranged on the feeding plate (81), and the feeding roller (82) is matched with the feeding plate (81); a constant-speed motor (83) is arranged on the feeding plate (81), the output end of the constant-speed motor (83) is arranged on a coupler (84), and the coupler (84) is connected with a feeding roller (82); the feeding plate (81) is provided with a brake block (85), the brake block (85) is linked with the coupler (84) through a bearing, and the brake block (85) is matched with the feeding roller (82).
7. The material throwing type oil pressure quick clamping device according to claim 6, wherein: the coupler (84) is connected with the reciprocating stroke cylinder (2), and the coupler (84) is connected with two ends of the reciprocating stroke cylinder (2) through a proximity switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122561829.7U CN216027655U (en) | 2021-10-25 | 2021-10-25 | Material throwing type oil pressure quick clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122561829.7U CN216027655U (en) | 2021-10-25 | 2021-10-25 | Material throwing type oil pressure quick clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216027655U true CN216027655U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122561829.7U Active CN216027655U (en) | 2021-10-25 | 2021-10-25 | Material throwing type oil pressure quick clamping device |
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| CN (1) | CN216027655U (en) |
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2021
- 2021-10-25 CN CN202122561829.7U patent/CN216027655U/en active Active
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