CN114801438B - Movable plate assembly - Google Patents
Movable plate assembly Download PDFInfo
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- CN114801438B CN114801438B CN202210562462.7A CN202210562462A CN114801438B CN 114801438 B CN114801438 B CN 114801438B CN 202210562462 A CN202210562462 A CN 202210562462A CN 114801438 B CN114801438 B CN 114801438B
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- movable plate
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- positioning groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
- B41F15/36—Screens, Frames; Holders therefor flat
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
Abstract
The invention relates to the field of printing, in particular to a movable plate assembly, which comprises a frame, wherein two opposite side edges of the frame are provided with a first pressure plate and a second pressure plate which can be used for price raising, a first slot is formed between the first pressure plate and the frame, and a second slot is formed between the second pressure plate and the frame; the movable plate is detachably inserted into the frame through the first slot and the second slot, a first positioning groove is formed in the side edge of the movable plate corresponding to the first slot, a second positioning groove is formed in the side edge of the movable plate corresponding to the second slot, and the first positioning groove and the second positioning groove are both located on the side away from the first pressing plate; the driving device is arranged on the frame, and comprises a first positioning structure and a second positioning structure, wherein the first positioning structure is positioned at a position corresponding to the first positioning groove, and the second positioning structure is positioned at a position corresponding to the second positioning groove; the driving device drives the first positioning structure to move within a preset range, so that the problem of low efficiency of replacing the movable plate is at least solved.
Description
Technical Field
The invention relates to the field of printing, in particular to a movable plate assembly.
Background
Printing steel mesh in use, the tension of steel mesh can be along with the printing number of times increase and decay, leads to the printed matter decline in quality, when the printing quality reduces to a certain extent, needs to change the steel mesh, need expend a large amount of time when changing the steel mesh to fix a position and fix the steel mesh, inefficiency, this technical problem, at present there is not fine solution yet.
Disclosure of Invention
The embodiment of the invention provides a movable plate assembly, which at least solves the problem of low efficiency of replacing a movable plate.
In order to solve the above problems, the solution provided by the present invention is: a movable plate assembly comprises a frame, wherein a first pressure plate and a second pressure plate which can be priced are arranged on two opposite side edges of the frame, a first slot is formed between the first pressure plate and the frame, and a second slot is formed between the second pressure plate and the frame;
the movable plate is detachably inserted into the frame through the first slot and the second slot, a first positioning groove is formed in the side edge of the movable plate corresponding to the first slot, a second positioning groove is formed in the side edge of the movable plate corresponding to the second slot, and the first positioning groove and the second positioning groove are both located on the side away from the first pressing plate;
the driving device is arranged on the frame and used for driving the first pressing plate and the second pressing plate to move towards or away from the frame;
the positioning device comprises a first positioning structure and a second positioning structure, the first positioning structure is positioned at the position corresponding to the first positioning groove, and the second positioning structure is positioned at the position corresponding to the second positioning groove; the driving device drives the first positioning structure to move within a preset range;
when the movable plate is inserted into the frame, at least part of the first positioning structure is positioned in the first positioning groove, and the second positioning structure is positioned in the second positioning groove; within a preset range, the driving device drives the first positioning structure to move, the first positioning structure drives the movable plate to move, when the driving device drives the first positioning structure to abut against the inner wall of the first positioning groove, the movable plate moves to abut against the inner wall of the second positioning groove, and the first pressing plate and the second pressing plate respectively press the movable plate.
Preferably, the driving device comprises a first driving mechanism and a second driving mechanism, the first driving mechanism comprises a first fixing part, a first piston and a first piston rod, a first cavity is formed in the first fixing part, the first piston slides in the first cavity, one end of the first piston rod is fixed on the first piston, the other end of the first piston rod penetrates through the first fixing part, and a first pressing plate is fixed on the first piston rod;
the second driving mechanism comprises a second fixing part, a second piston and a second piston rod, a second cavity is formed in the second fixing part, the second piston slides in the second cavity, one end of the second piston rod is fixed on the second piston, the other end of the second piston rod penetrates through the second fixing part, and a second pressing plate is fixed on the second piston rod.
Preferably, at least one of the first fixing part and the second fixing part is provided with a vent hole, and the first piston or/and the second piston can be driven to move by filling gas into the first cavity or/and the second cavity through the vent hole.
Preferably, at least one of the first fixing part and the second fixing part is provided with a vent hole, an air guide pipe is arranged between the first cavity and the second cavity, and the vent hole is filled with air to drive the first piston and the second piston to move synchronously.
Preferably, the first piston rod is sleeved with a first pressure spring, and the first pressure spring is positioned between the first piston and the upper side wall of the first cavity; and a second pressure spring is sleeved on the second piston rod and is positioned between the second piston and the upper side wall of the second cavity.
Preferably, the first fixing part is provided with a through hole, the through hole is opposite to the first positioning groove, the through hole is communicated with the first cavity and the first slot, a rotating shaft is arranged at the through hole, the first positioning structure comprises a rotating rod, and the rotating rod is rotatably arranged at the through hole through the rotating shaft;
when the first piston moves downwards within a preset range, the torsion spring enables the rotating rod to rotate around the rotating shaft and enables the extrusion part to extrude the inner wall of the first positioning groove and drive the movable plate to move, and the movable plate moves to enable the second positioning groove to extrude the second positioning structure; the first piston upwards moves within a preset range, the first piston pushes the first end of the rotating rod to enable the first rotating rod to rotate around the rotating shaft, and the first rotating rod rotates to enable the extrusion part to be separated from the inner wall of the first positioning groove.
Preferably, the first positioning groove and the second positioning groove are linear grooves parallel to each other, and the length direction of the first positioning groove is consistent with the insertion direction of the movable plate when the movable plate is inserted into the frame.
Preferably, the second positioning structure is a positioning block, and the positioning block is arranged on the second fixing portion corresponding to the second positioning groove.
Preferably, the extrusion portion is an extrusion rod disposed at the second end of the rotating rod, one end of the extrusion rod is fixed on the rotating rod, and the other end of the extrusion rod faces the first piston rod or the second piston rod.
Preferably, the frame is further provided with a limiting block, and when the movable plate is inserted into the frame and contacts with the limiting block, the movable plate is in a fixed position
According to the invention, the first piston moves upwards to drive the first pressing plate to move upwards and drive the rotating rod to rotate, so that the movable plate can be conveniently inserted into the first slot and the second slot, the movable plate is contacted with the limiting block, the positioning is completed in the length direction of the lower first positioning slot, the squeezing part and the positioning block are arranged in the first positioning slot and the second positioning slot, when the first piston and the second piston move downwards, the rotating rod rotates under the action of the torsion spring, the squeezing part squeezes the inner wall of the first positioning slot to further move the movable plate, so that the second positioning slot generates squeezing force on the positioning block, the movable plate completes the positioning in the direction vertical to the first positioning slot, and the first pressing block and the second pressing block move downwards and press the movable plate to complete the fixing on the movable plate; the movable plate is positioned and fixed at the same time through the technical characteristics, and the movable plate fixing device is ingenious.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of a frame structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a movable plate insertion frame according to an embodiment of the present invention;
FIG. 3 is a front view of an embodiment of the present invention;
FIG. 4 is a front cross-sectional view of the movable plate in a fixed position with the first and second platens uncompressed in accordance with an embodiment of the present invention;
FIG. 5 is an enlarged view of the portion A in FIG. 4 according to the present invention;
FIG. 6 is a front cross-sectional view of the movable plate in a fixed position with the first and second pressure plates compressed according to the embodiment of the present invention;
FIG. 7 is an enlarged view of the portion B in FIG. 6 according to the present invention.
Wherein: 1-a frame; 2-a movable plate; 3-a first fixed part; 4-a second fixed part; 5-a first press plate; 6-a second press plate; 7-a first positioning groove; 8-a second positioning groove; 9-a first cavity; 10-a first piston; 11-a first piston rod; 12-a second cavity; 13-a second piston; 14-a second piston rod; 15-a first pressure spring; 16-a second pressure spring; 17-rotating rods; 18-a via hole; 19-positioning blocks; 20-a squeeze bar; 21-a limiting block.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order; the forward rotation and the reverse rotation are only used for distinguishing different directions of rotation, and no words mean forward and reverse; it is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. The terms "upper", "lower", "clockwise" and "counterclockwise" and other directional terms are used for clarity of orientation and are not intended to have a particular orientation.
Printing steel mesh in use, the tension of steel mesh can increase and decay along with the printing number of times, leads to the printed matter degradation of quality, when the printing quality reduces to a certain degree, needs to change the steel mesh, need consume the plenty of time when changing the steel mesh to fix a position and fix the steel mesh, the inefficiency, this technical problem, at present not have fine solution yet.
In order to solve the problem of low efficiency of replacing the movable plate, the invention provides an embodiment of a movable plate assembly, and particularly relates to a movable plate assembly.
In order to better illustrate the present invention, the following detailed description is given with reference to the accompanying drawings. The examples are as follows:
as shown in fig. 1-7, an assembly of a movable plate 2 includes a frame 1, a first pressing plate 5 and a second pressing plate 6 capable of price raising are disposed on two opposite sides of the frame 1, a first slot is formed between the first pressing plate 5 and the frame 1, and a second slot is formed between the second pressing plate 6 and the frame 1; the movable plate 2 is detachably inserted into the frame 1 through a first slot and a second slot, a first positioning groove 7 is formed on the side edge of the movable plate 2 corresponding to the first slot, a second positioning groove 8 is formed on the side edge of the movable plate 2 corresponding to the second slot, and the first positioning groove 7 and the second positioning groove 8 are both positioned on one side away from the first pressing plate 5; the driving device is arranged on the frame 1 and is used for driving the first pressing plate 5 and the second pressing plate 6 to move towards or away from the frame 1; the positioning device comprises a first positioning structure and a second positioning structure, the first positioning structure is positioned at a position corresponding to the first positioning groove 7, and the second positioning structure is positioned at a position corresponding to the second positioning groove 8; the driving device drives the first positioning structure to move within a preset range;
as shown in fig. 4-5, when the movable plate 2 is inserted into the frame 1, the first positioning structure is at least partially located in the first positioning groove 7, and the second positioning structure is located in the second positioning groove 8; within a preset range, the driving device drives the first positioning structure to move, the first positioning structure drives the movable plate 2 to move, when the driving device drives the first positioning structure to abut against the inner wall of the first positioning groove 7, the movable plate 2 moves to abut against the inner wall of the second positioning groove 8, as shown in fig. 5-6, the first positioning structure and the second positioning structure complete positioning of the movable plate 2, and then the first pressing plate 5 and the second pressing plate 6 respectively press the movable plate 2.
Preferably, as shown in fig. 4 and 6, the driving device includes a first driving mechanism and a second driving mechanism, the first driving mechanism includes a first fixing portion 3, a first piston 10, and a first piston 10 rod, a first cavity 9 is formed in the first fixing portion 3, the first piston 10 slides in the first cavity 9, one end of the first piston 10 rod is fixed on the first piston 10, the other end of the first piston 10 rod passes through the first fixing portion 3, and the first pressing plate 5 is fixed on the first piston 10 rod; the second driving mechanism comprises a second fixing part 4, a second piston 13 and a second piston 13 rod, a second cavity 12 is formed in the second fixing part 4, the second piston 13 slides in the second cavity 12, one end of the second piston 13 rod is fixed on the second piston 13, the other end of the second piston 13 rod penetrates through the second fixing part 4, and the second pressing plate 6 is fixed on the second piston 13 rod; the first piston 10 moves to drive the first pressing plate 5 to move through the first piston 10 rod, and the second piston 13 moves to drive the second pressing plate 6 to move through the second piston 13 rod.
Preferably, at least one of the first fixing part 3 and the second fixing part 4 is provided with a vent hole, and the first piston 10 or/and the second piston 13 can be driven to move by filling gas into the first cavity 9 or/and the second cavity 12 through the vent hole; or at least one of the first fixing part 3 and the second fixing part 4 is provided with a vent hole, an air guide pipe is arranged between the first cavity 9 and the second cavity 12, and the vent hole is filled with air to drive the first piston 10 and the second piston 13 to move synchronously; the gas is filled through the vent holes to make the gas push the first piston 10 and the second piston 13 to move.
Preferably, as shown in fig. 4 and 6, a first compression spring 15 is sleeved on the rod of the first piston 10, and the first compression spring 15 is located between the first piston 10 and the side wall of the first cavity 9; a second pressure spring 16 is sleeved on the rod of the second piston 13, and the second pressure spring 16 is positioned between the second piston 13 and the upper side wall of the second cavity 12; when the gas in the first cavity 9 and the second cavity 12 is no longer pressurized from the outside, the first piston 10 is moved downwards by the first compression spring 15, and the second piston 13 is moved downwards by the second compression spring 16.
Preferably, as shown in fig. 5 and 7, the first fixing portion 3 is formed with a through hole 18, the through hole 18 is opposite to the first positioning groove 7, the through hole 18 communicates with the first cavity 9 and the first slot, a rotating shaft is disposed at the through hole 18, the first positioning structure includes a rotating rod 17, and the rotating rod 17 is rotatably disposed at the through hole 18 through the rotating shaft; one end of the rotating rod 17 is a first end and is positioned in the first cavity 9, the other end of the rotating rod is a second end and extends into the first positioning groove 7, the second end of the rotating rod is provided with an extrusion part, the extrusion part is an extrusion rod 20 arranged on the second end of the rotating rod 17, one end of the extrusion rod 20 is fixed on the rotating rod 17, and the other end of the extrusion rod faces towards the first piston 10 rod or the second piston 13 rod; a torsion spring is arranged at the rotating shaft, when the first piston 10 moves downwards within a preset range, the torsion spring enables the rotating rod 17 to rotate around the rotating shaft and enables the extrusion part to extrude the inner wall of the first positioning groove 7 and drive the movable plate 2 to move, and the movable plate 2 moves to enable the second positioning groove 8 to extrude the second positioning structure; the second positioning structure is a positioning block 19, and the positioning block 19 is arranged on the second fixing part 4 corresponding to the second positioning groove 8; the first piston 10 moves upwards within a preset range, the first piston 10 pushes the first end of the rotating rod 17 to enable the first rotating rod 17 to rotate around the rotating shaft, and the first rotating rod 17 rotates to enable the extrusion part to be separated from the inner wall of the first positioning groove 7; the rotating rod 17 is driven to rotate around the rotating shaft by the movement of the first piston 10, when the first piston 10 and the second piston 13 both move upwards, the first piston 10 enables the rotating rod 17 to rotate within a preset range so as to enable the extrusion rod 20 to be separated from the inner wall of the first positioning groove 7, the movable plate 2 is not pressurized by the extrusion rod 20 any more, and further, the movable plate 2 and the positioning block 19 are not stressed any more, so that the movable plate 2 is convenient to move; when the first piston 10 and the second piston 13 both move downwards, the rotating rod 17 rotates under the action of the torsion spring, at this time, the first end of the rotating rod 17 contacts with the end surface of the first piston 10 and slides, the extrusion rod 20 rotates along with the rotating rod 17, and when the rotating rod 17 rotates, the extrusion rod 20 extrudes the inner wall of the first positioning groove 7, so that the movable plate 2 generates an acting force between the positioning blocks 19, and the movable plate 2 is positioned.
Preferably, as shown in fig. 4 and 6, the first positioning groove 7 and the second positioning groove 8 are linear grooves parallel to each other, and the length direction of the first positioning groove 7 is the same as the insertion direction of the movable plate 2 when inserted into the frame 1; the movable plate 2 is conveniently slid to the fixing position along the first positioning slot 7 and the second positioning slot 8.
Preferably, as shown in fig. 1, the frame 1 is further provided with a stopper 21, and when the movable plate 2 is inserted into the frame 1 and contacts with the stopper 21, the movable plate 2 is in a fixed position.
The use of the present invention is described in detail below:
when the air compression type air compressor is used, air is filled into the first cavity 9 and the second cavity 12, the first piston 10 and the second piston 13 simultaneously move upwards and compress the first pressure spring 15 and the second pressure spring 16, and the first piston 10 rod and the second piston 13 rod move upwards under the driving of the first piston 10 and the second piston 13; when the first piston 10 moves upward, the first piston 10 pushes the lower end of the rotating rod 17 to rotate the rotating rod 17 clockwise about the rotating shaft in the through hole 18; at the moment, a first slot is formed between the first pressing plate 5 and the frame 1, and a second slot is formed between the second pressing plate 6 and the frame 1; inserting the movable plate 2 into the first slot and the second slot, placing the pressing rod 20 into the first slot, placing the positioning block 19 into the second slot, and pushing the movable plate 2 to make the movable plate 2 abut against the limiting block 21; the positioning is completed in the moving direction of the movable plate 2; then discharging high-pressure gas in the first cavity 9 and the second cavity 12, wherein the first piston 10 moves downwards under the action of a first pressure spring 15, and the second piston 13 moves downwards under the action of a second pressure spring 16; in the process that the first piston 10 moves downwards, the rotating rod 17 rotates anticlockwise around the rotating shaft in the through hole 18 under the action of the torsion spring, the extrusion rod 20 at the upper end of the rotating rod 17 extrudes the side wall of the first positioning groove 7 leftwards to enable the movable plate 2 to slide leftwards, when the side wall of the second positioning groove 8 of the movable plate 2 abuts against the positioning block 19, the movable plate 2 completes positioning in the left-right direction, the first piston 10 continues to move downwards, the first piston 10 is separated from the rotating rod 17 to enable the first pressure plate 5 to press the movable plate 2, and the second piston 13 moves downwards to enable the second pressure plate 6 to press the movable plate 2; the movable plate 2 is fixed, and when the movable plate 2 needs to be replaced, gas is filled into the first cavity 9 and the second cavity 12, and the process is repeated.
The invention has the following remarkable advantages:
1. according to the invention, the first piston 10 moves upwards to drive the first pressure plate 5 to move upwards and drive the rotating rod 17 to rotate, so that the extrusion rod 20 on the rotating rod 17 is positioned in the first positioning groove 7 and is not contacted with the first positioning groove 7, the positioning block 19 is not contacted with the second positioning groove 8 at the moment, the movable plate 2 is conveniently inserted into the first slot and the second slot, and when the movable plate 2 is contacted with the limiting block 21, the movable plate 2 is positioned in the length direction of the first positioning groove 7; when the first piston 10 and the second piston 13 move downwards within a preset range under the action of the first pressure spring 15 and the second pressure spring 16, the rotating rod 17 rotates under the action of the torsion spring, the pressing rod 20 presses the inner wall of the first positioning groove 7 to move the movable plate 2, so that the second positioning groove 8 generates pressing force on the positioning block 19, and the movable plate 2 is positioned in a direction perpendicular to the first positioning groove 7; the first piston 10 and the second piston 13 continue to move downwards and drive the first pressing plate 5 and the second pressing plate 6 to move downwards and press the movable plate 2 to fix the movable plate 2; the movable plate 2 can be positioned by the first positioning structure driven by the movement of the first piston 10, and the movable plate 2 can be positioned by the first pressing plate 5 driven by the first piston, so that the movable plate positioning device is ingenious.
2. According to the invention, the pistons are arranged in the first cavity 9 and the second cavity 12, and the pistons are pushed to move in an inflation mode, so that the first pressing plate 5 and the second pressing plate 6 are driven to move, the movable plate 2 is convenient to disassemble, the structure is ingenious, and the acting force required for fixing the movable plate 2 is from the first pressure spring 15 and the second pressure spring 16, so that the pressure on the movable plate 2 is constant.
Exemplary embodiments of the present disclosure are specifically shown and described above. It is to be understood that the present disclosure is not limited to the precise construction, arrangements, or implementations described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A movable plate assembly is characterized by comprising
The device comprises a frame, a first pressure plate and a second pressure plate, wherein the two opposite sides of the frame are provided with a first pressure plate and a second pressure plate which can be lifted, a first slot is formed between the first pressure plate and the frame, and a second slot is formed between the second pressure plate and the frame;
the movable plate is detachably inserted into the frame through the first slot and the second slot, a first positioning groove is formed in the side edge of the movable plate corresponding to the first slot, a second positioning groove is formed in the side edge of the movable plate corresponding to the second slot, and the first positioning groove and the second positioning groove are both located on the side away from the first pressing plate;
the driving device is arranged on the frame and used for driving the first pressing plate and the second pressing plate to move towards or away from the frame;
the positioning device comprises a first positioning structure and a second positioning structure, the first positioning structure is positioned at the position corresponding to the first positioning groove, and the second positioning structure is positioned at the position corresponding to the second positioning groove; the driving device drives the first positioning structure to move within a preset range;
when the movable plate is inserted into the frame, at least part of the first positioning structure is positioned in the first positioning groove, and the second positioning structure is positioned in the second positioning groove; the driving device drives the first positioning structure, the first pressing plate and the second pressing plate to move within a preset range, and the first positioning structure can extrude the inner wall of the first positioning groove and drive the movable plate to move so that the second positioning groove extrudes the second positioning structure; after the first positioning structure extrudes the inner wall of the first positioning groove and the second positioning groove extrudes the second positioning structure, the first pressing plate and the second pressing plate respectively press the movable plate.
2. The movable plate assembly as claimed in claim 1, wherein the driving means comprises a first driving mechanism and a second driving mechanism, the first driving mechanism comprises a first fixing portion, a first piston, and a first piston rod, the first fixing portion has a first cavity formed therein, the first piston slides in the first cavity, one end of the first piston rod is fixed on the first piston, the other end of the first piston rod passes through the first fixing portion, and the first pressing plate is fixed on the first piston rod;
the second driving mechanism comprises a second fixing part, a second piston and a second piston rod, a second cavity is formed in the second fixing part, the second piston slides in the second cavity, one end of the second piston rod is fixed on the second piston, the other end of the second piston rod penetrates through the second fixing part, and a second pressing plate is fixed on the second piston rod.
3. The movable plate assembly of claim 2 wherein the first and second stationary portions each define a vent hole through which a gas can be introduced into the first and second cavities to drive the first and second pistons.
4. The movable plate assembly as claimed in claim 2, wherein one of the first and second fastening portions has a vent hole, and a gas duct is disposed between the first and second cavities, and the vent hole is filled with gas to drive the first and second pistons to move synchronously.
5. The movable plate assembly of claim 2, wherein the first piston rod is sleeved with a first compression spring, the first compression spring being disposed between the first piston and the upper sidewall of the first cavity; and a second pressure spring is sleeved on the second piston rod and is positioned between the second piston and the upper side wall of the second cavity.
6. The movable plate assembly as claimed in claim 2, wherein the first fixing portion is formed with a through hole opposite to the first positioning groove, the through hole communicating the first cavity and the first insertion groove, the through hole being provided with a rotation shaft, the first positioning structure including a rotation shaft rotatably provided at the through hole through the rotation shaft;
when the first piston moves downwards in a preset range, the torsion spring enables the rotating rod to rotate around the rotating shaft in the forward direction and enables the extrusion part to extrude the inner wall of the first positioning groove and drive the movable plate to move, and the movable plate moves to enable the second positioning groove to extrude the second positioning structure; the first piston upwards moves within a preset range, the first piston pushes the first end of the rotating rod to enable the first rotating rod to reversely rotate around the rotating shaft, and the first rotating rod rotates to enable the extrusion part to be separated from the inner wall of the first positioning groove.
7. The movable plate assembly as claimed in claim 6, wherein the first and second positioning grooves are linear grooves parallel to each other, and a length direction of the first positioning groove coincides with an insertion direction of the movable plate when the movable plate is inserted into the frame.
8. The movable plate assembly as claimed in claim 1, wherein the second positioning structure is a positioning block disposed on the second fixing portion corresponding to the second positioning groove.
9. A movable plate assembly according to claim 6 wherein the extrusion is an extrusion rod provided at the second end of the swivelling rod, the extrusion rod being fixed to the swivelling rod at one end and facing the first piston rod or the second piston rod at the other end.
10. The movable plate assembly of claim 1, wherein the frame further comprises a stop, the movable plate being held in a fixed position when the movable plate is inserted into the frame and contacts the stop.
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| CN202210562462.7A CN114801438B (en) | 2022-05-23 | 2022-05-23 | Movable plate assembly |
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| CN202210562462.7A CN114801438B (en) | 2022-05-23 | 2022-05-23 | Movable plate assembly |
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| CN114801438B true CN114801438B (en) | 2023-03-28 |
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| CN215784756U (en) * | 2021-06-25 | 2022-02-11 | 上海臻臣化妆品有限公司 | Powder reciprocating motion shale shaker |
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| CN103343309B (en) * | 2013-06-26 | 2015-07-01 | 西安赛特金属材料开发有限公司 | Method for manufacturing memory alloy spacecraft unlocking drive element |
| CN103522739B (en) * | 2013-10-10 | 2015-10-14 | 益和电气集团股份有限公司 | A kind of lettering frock |
| CN207549697U (en) * | 2017-10-27 | 2018-06-29 | 乐山新天源太阳能科技有限公司 | The halftone fixing device of cell piece silk-screen |
| CN210911629U (en) * | 2019-08-30 | 2020-07-03 | 闫景荣 | Quick screen frame replacing structure of screen printer |
| JP2021102271A (en) * | 2019-12-24 | 2021-07-15 | 理想科学工業株式会社 | Positioning device, screen frame attaching device, and platemaking and printing system |
| CN111421482A (en) * | 2020-04-15 | 2020-07-17 | 广州成飞汽车夹具有限公司 | High accuracy car anchor clamps positioning mechanism |
| CN212577538U (en) * | 2020-07-09 | 2021-02-23 | 苏州海拓欣机械有限公司 | Automatic drilling mechanism for metal parts |
| CN215792471U (en) * | 2021-09-22 | 2022-02-11 | 苏州美凌特丝印器材有限公司 | Replaceable printing steel mesh structure for printing equipment |
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| CN215784756U (en) * | 2021-06-25 | 2022-02-11 | 上海臻臣化妆品有限公司 | Powder reciprocating motion shale shaker |
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