CN213649156U - Air suction state switching device and printing equipment - Google Patents
Air suction state switching device and printing equipment Download PDFInfo
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- CN213649156U CN213649156U CN202022038267.3U CN202022038267U CN213649156U CN 213649156 U CN213649156 U CN 213649156U CN 202022038267 U CN202022038267 U CN 202022038267U CN 213649156 U CN213649156 U CN 213649156U
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Abstract
The utility model relates to a print technical field, disclose state auto-change over device and printing apparatus induced drafts. The air suction state switching device comprises a fixed plate, a movable plate and a driving mechanism. One of the fixed plate and the movable plate is provided with a first air hole and a pressure relief hole, and the first air hole is communicated with an air inlet of the fan; the other is provided with a second air hole which is used for being communicated with an air using device. The driving mechanism is used for driving the movable plate to move between a first preset position and a second preset position. At a first preset position, the first air hole is communicated with the second air hole; and at a second preset position, the first air hole is blocked, and the pressure relief hole is communicated with the second air hole. The air suction state switching device is respectively communicated with the air inlet of the fan and the air utilization device, and the air utilization device is in a negative pressure state when the movable plate is in a first preset position under the condition that the fan performs air suction operation; when the movable plate is at the second preset position, the air utilization device is in a normal pressure state; in the whole process, the fan can be in a starting state all the time.
Description
[ technical field ] A method for producing a semiconductor device
The embodiment of the utility model provides a relate to and print technical field, especially relate to a state auto-change over device and printing apparatus induced draft.
[ background of the invention ]
In digital printing equipment, in order to improve the processing efficiency, a plurality of air suction platforms are often required to be arranged. Wherein, the air suction states of the air suction platforms at the same time can be the same or different. Specifically, an air inlet of the fan is communicated with an air-using device such as an air suction platform, and when a printing process is required, the fan sucks air from the air suction platform, so that the outer surface of the air suction platform is in a negative pressure state, and printing media (such as a paperboard, an aluminum buckle plate, a circuit board and the like) borne on the air suction platform are adsorbed and fixed; when printing is completed, the fan stops air draft, and the negative pressure of the air draft platform is released, so that the surface of the air draft platform is in a normal pressure state, and the printing medium is conveniently taken down.
The utility model discloses an inventor is realizing the utility model discloses an in-process discovery: the adsorption state of the wind devices such as the air suction platform and the like is continuously and alternately switched between a negative pressure state and a normal pressure state, which causes the fan to be frequently started and closed; and when the fan is in a starting state, the air utilization device cannot be switched between a negative pressure state and a normal pressure state.
[ Utility model ] content
The embodiment of the utility model provides a state auto-change over device and printing apparatus induced draft to solve the fan and be in under the starting condition, can not switch the technical problem between negative pressure state and ordinary pressure state with the wind device.
The embodiment of the utility model provides a solve its technical problem and adopt following technical scheme:
an air suction state switching device comprises a fixed plate, a movable plate and a driving mechanism, wherein the fixed plate and the movable plate are arranged in a clinging manner;
one of the fixed plate and the movable plate is provided with a first air hole and a pressure relief hole, wherein the first air hole is communicated with an air inlet of an external fan;
the other one of the fixed plate and the movable plate is provided with a second through air hole which is communicated with an external air device;
the driving mechanism is connected with the movable plate and used for driving the movable plate to move between a first preset position and a second preset position;
at the first preset position, the first air hole is communicated with the second air hole;
and at the second preset position, the first air hole is blocked by one of the fixed plate and the movable plate, which is provided with the second air hole, and the pressure relief hole is communicated with the second air hole.
As a further improvement of the above technical solution, the first air hole is formed in the fixed plate, and extends from one end of the fixed plate facing the movable plate to a side away from the movable plate;
the second air hole is formed in the movable plate, and extends from one end, facing the fixed plate, of the movable plate to one end, deviating from the fixed plate, of the movable plate.
As a further improvement of the above technical solution, the air conditioner further comprises a first air duct joint and a second air duct joint;
the first air pipe joint is arranged at the first air hole and is used for being communicated with an air inlet of the fan;
and the second air pipe joint is arranged at the second air hole and is used for being communicated with the air inlet of the air utilization device.
As a further improvement of the above technical solution, the device further comprises two groups of guide wheel sets;
the guide wheel set comprises at least two guide wheels, the guide wheels are rotatably arranged at one end of the fixed plate facing the fixed plate, the guide wheels in the same guide wheel set are arranged at intervals along the direction from the first preset position to the second preset position, and the two guide wheel sets are arranged oppositely;
the movable plate comprises a guide part, the guide part is arranged between the two guide wheel sets, and the movable plate and the fixed plate are in sliding fit through the two guide wheel sets and the guide part.
As a further improvement of the above technical solution, one end of the guide wheel, which is away from the fixed plate, extends outwards to form a limiting flange;
along the direction that the fixed plate points to the movable plate, the guide part is abutted between the fixed plate and the limiting flange.
As a further improvement of the above technical solution, the portable electronic device further includes a first limiting portion and a second limiting portion, the first limiting portion is disposed on the fixed plate, and the second limiting portion is disposed on the movable plate;
the first limiting portion and the second limiting portion are used for being mutually abutted when the movable plate moves from the second preset position to the first preset position so as to prevent the movable plate from further moving.
As a further improvement of the above technical solution, the device further comprises a third limiting part;
the third limiting part is arranged on the movable plate and is used for abutting against the first limiting part when the movable plate moves from the first preset position to the second preset position so as to prevent the movable plate from further moving; alternatively, the first and second electrodes may be,
the third limiting part is arranged on the fixed plate and is used for abutting against the second limiting part when the movable plate moves from the first preset position to the second preset position so as to prevent the movable plate from further moving.
As a further improvement of the above technical solution, the driving mechanism includes a cylinder, and an output end of the cylinder is connected to the movable plate.
As a further improvement of the above technical solution, the driving mechanism is configured to drive the movable plate to move between the first preset position and the second preset position along an arc.
The embodiment of the utility model provides a solve its technical problem and still adopt following technical scheme:
a printing device comprises the air suction state switching device.
The utility model has the advantages that:
the embodiment of the utility model provides a state auto-change over device induced drafts includes fixed plate, fly leaf and actuating mechanism. The fixed plate and the movable plate are arranged in a clinging manner, one of the fixed plate and the movable plate is provided with a first air hole and a pressure relief hole, and the first air hole is communicated with an air inlet of an external fan; and the other one of the fixed plate and the movable plate is provided with a through second air hole which is communicated with an external air device. The driving mechanism is connected with the movable plate and used for driving the movable plate to move between a first preset position and a second preset position. At a first preset position, the first air hole is communicated with the second air hole; and at the second preset position, the first air hole is blocked by one of the fixed plate and the movable plate, which is provided with a second air hole, and the pressure relief hole is communicated with the second air hole.
The embodiment of the utility model provides a state auto-change over device induced drafts is at the air intake and the wind device that communicate the fan respectively, and the fan carries out under the condition of convulsions operation, and this state auto-change over device induced drafts can make the fly leaf switch between first preset position and second preset position in proper time through actuating mechanism. When the movable plate is located at the first preset position, the air utilization device is communicated with an air inlet of the fan through the second air hole and the first air hole, and the air utilization device is in a negative pressure state; when the movable plate is located at the second preset position, the air utilization device is communicated with the external environment through the second air hole and the pressure relief hole and is in a normal pressure state; in the whole process, the fan can be in a starting state all the time. That is to say, this state auto-change over device that induced drafts can effectively solve the fan and be in the starting condition under, the technical problem that the device can not switch between negative pressure state and ordinary pressure state with wind.
[ description of the drawings ]
One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.
Fig. 1 is a schematic perspective view of an air suction state switching device according to an embodiment of the present invention;
FIG. 2 is a perspective view of one direction of the air suction switching device of FIG. 1;
FIG. 3 is a perspective view of the fixation plate of FIG. 1 in one orientation;
FIG. 4 is a perspective view of the fixation plate of FIG. 1 in another orientation;
fig. 5 is a perspective view of the movable plate in fig. 1.
[ detailed description ] embodiments
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is referred to as being "fixed to"/"mounted to" another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
In this specification, the term "mounting" includes fixing or limiting a certain element or device to a specific position or place by welding, screwing, clipping, bonding, etc., the element or device may be fixed or movable in a limited range in the specific position or place, and the element or device may be disassembled or not after being fixed or limited to the specific position or place, which is not limited in the embodiment of the present invention.
Referring to fig. 1 and fig. 2, which respectively show a schematic perspective view of two directions of an air suction state switching device according to an embodiment of the present invention, the air suction state switching device includes a base 100, a fixed plate 200, a movable plate 300 and a driving mechanism 400. The base 100 is a supporting structure for the above structures. The fixed plate 200 and the movable plate 300 are closely arranged, one of the fixed plate 200 and the movable plate 300 is provided with a first air hole 201 and a pressure relief hole 202, and the first air hole 201 is used for being communicated with an air inlet of an external fan; the other of the fixed plate 200 and the movable plate 300 is provided with a second air hole 301 therethrough, and the second air hole 301 is used for communicating with an external air device. The driving mechanism 400 is connected to the movable plate 300 and is used for driving the movable plate 300 to move between a first predetermined position and a second predetermined position. Wherein, at the first preset position, the first air hole 201 is communicated with the second air hole 301; in the second predetermined position, the first air hole 201 is blocked by one of the fixed plate 200 and the movable plate 300 having the second air hole 301, and the pressure relief hole 202 is communicated with the second air hole 301. Next, the present embodiment takes the above-mentioned wind using device as an air suction platform in the printing apparatus as an example, and a specific structure of the air suction state switching device is explained; it is understood that in other embodiments of the present invention, the wind-using device may be other structures besides the wind-suction platform.
Referring to fig. 3 and 4, the fixing plate 200 is respectively shown in a perspective view in two directions, and referring to fig. 1 and 2, the fixing plate 200 is fixed to the base 100, and is integrally formed in a plate-shaped structure and closely attached to the movable plate 300. The fixing plate 200 is provided with a first air hole 201 and a pressure relief hole 202. The first air hole 201 extends from one end of the fixed plate 200 facing the movable plate 300 to a side away from the movable plate 300, and penetrates through the fixed plate 200, and is used for communicating with an air inlet of a fan (not shown) outside the air suction switching device. Similarly, the pressure relief hole 202 also extends from the end of the fixing plate 200 facing the movable plate 300 to the side away from the movable plate 300, and penetrates through the fixing plate 200.
Further, in order to facilitate the air inlet of the fan or a pipeline connected to the air inlet, the air inlet is installed at the first air hole 201, so that the air inlet is communicated with the first air hole 201, and the air suction state switching device further includes a first air pipe joint 210. Specifically, referring to fig. 4, the first air duct joint 210 is integrally formed in a cylindrical structure, one end of the first air duct joint is disposed at the first air hole 201 and fixed to the fixing plate 200, the other end of the first air duct joint extends in a direction away from the movable plate 300, and an inner hole of the first air duct joint 210 is communicated with the first air hole 201. Alternatively, an end of the first air duct joint 210 near the fixing plate 200 is extended outward to form a fixing flange, and the fixing flange is fixedly connected to the fixing plate 300 by a threaded fastener, so that the first air duct joint 210 is fixed to the fixing plate 200.
Referring to fig. 5, the movable plate 300 is shown in a perspective view, and in conjunction with fig. 1 to 4, the movable plate 300 is a plate-shaped structure having a second air hole 301 therethrough. The second air hole 301 extends from one end of the movable plate 300 facing the fixed plate 200 to a side away from the fixed plate 200, and penetrates through the movable plate 300, and is used for communicating with an air utilization device outside the air suction switching device, i.e., the air suction platform.
Further, in order to facilitate the above-mentioned wind using device or the pipeline connected with the wind using device, the wind suction state switching device is installed at the second wind hole 301, and the wind suction state switching device further includes a second wind pipe connector 310. Specifically, referring to fig. 5, the second air duct joint 310 is integrally formed in a cylindrical structure, one end of the second air duct joint is disposed at the second air hole 301 and fixed to the movable plate 300, the other end of the second air duct joint extends away from the fixed plate 200, and an inner hole of the second air duct joint 310 is communicated with the second air hole 301. Alternatively, one end of the second air duct joint 310 adjacent to the movable plate 300 extends outwardly to form another fixing flange, and the other fixing flange is fixedly connected to the movable plate 300 by a threaded fastener, so as to fix the first air duct joint 210 to the movable plate 300.
Referring back to fig. 1 and 2, in conjunction with other figures, the driving mechanism 400 is mounted on the base 100 and connected to the movable plate 300, and is used for driving the movable plate 300 to move between a first predetermined position and a second predetermined position relative to the fixed plate 200. Wherein, at a first preset position, the first wind hole 201 is communicated with the second wind hole 301; in the second predetermined position, the first air hole 201 is blocked by an end of the movable plate 300 facing the fixed plate 200, and the pressure relief hole 202 is communicated with the second air hole 301. In this embodiment, the driving mechanism 400 is a cylinder, a main body of the cylinder is mounted on the base, and an output end of the cylinder is connected to the movable plate 300 and is used for driving the movable plate 300 to move linearly between the first preset position and the second preset position. It is understood that, in other embodiments of the present invention, the driving mechanism 400 may also be a power mechanism with other structural forms as long as it can drive the movable plate 300 to move between the first preset position and the second preset position. In addition, the present invention is not limited to the movement path of the movable plate 300 driven by the driving mechanism 400; in other embodiments of the present invention, the driving mechanism 400 can also be used to drive the movable plate 300 to move along an arc or other predetermined path between the first predetermined position and the second predetermined position.
Further, in order to ensure that the movable plate 300 can stably move along the direction from the first predetermined position (or the second predetermined position) to the second predetermined position (or the first predetermined position), the air suction state switching device further includes two guide wheel sets 220. Specifically, referring to fig. 3 in combination with fig. 5, each guide wheel set 220 includes at least two guide wheels 221, the guide wheels 221 are rotatably mounted at an end of the fixed plate 200 facing the movable plate 300, and the guide wheels 221 in the same guide wheel set 220 are arranged at intervals along a direction from the first predetermined position to the second predetermined position. The two guide wheel sets 220 are disposed opposite to each other in a direction perpendicular to the arrangement direction of the guide wheels 221 in the same guide wheel set 220. Correspondingly, the movable plate 300 includes a guiding portion 320, the guiding portion 320 is disposed between the two guiding wheel sets 220 and is abutted against the circumferential surface of at least one guiding wheel 221 in each guiding wheel set 220, so that the movable plate 300 and the fixed plate 200 are slidably engaged through the two guiding wheel sets 220 and the guiding portion 320. In this embodiment, the guiding portion 320 is the movable plate 300 itself, but in other embodiments of the present invention, the guiding portion 320 may also be a partial structure in the movable plate 300, that is, the movable plate 300 further includes other structures besides the guiding portion 320.
Due to instability of the cylinder in the expansion and contraction process, the movable plate 300 may be separated from the end of the fixed plate 200 facing the movable plate 300 during the moving process, and the close contact effect between the movable plate 300 and the fixed plate 200 is further affected, so that the sealing effect at the connection between the second air hole 310 and the first air hole 201 or the pressure relief hole 202 may be deteriorated. To overcome this deficiency, the end of the guide roller 221 facing away from the fixed plate 200 extends outward to form a stop flange 2211. In the direction that the fixed plate 200 points to the movable plate 300, the guide portion 320 abuts between the fixed plate 200 and the position-limiting flange 2211; thus, the position-limiting flange 2211 can prevent the movable plate 300 from being separated from the fixed plate 200, and the movable plate 300 can only move along the direction from the first preset position to the second preset position.
Further, in order to enable the movable plate 300 to precisely move to the first preset position under the driving of the driving mechanism 400, the air suction state switching device further includes a limiting mechanism 500. Specifically, referring to fig. 1 in conjunction with fig. 2 to 5, the position-limiting mechanism 500 includes a first position-limiting portion 510 and a second position-limiting portion 520. The first position-limiting portion 510 is disposed on the fixing plate 200, and the second position-limiting portion 520 is disposed on the movable plate 300. The first position-limiting portion 510 and the second position-limiting portion 520 are used for abutting against each other when the movable plate 300 moves from the second predetermined position to the first predetermined position, so as to prevent the movable plate 300 from further moving; then, the movable plate 300 can be precisely moved to the first predetermined position.
Similarly, in order to enable the movable plate 300 to precisely move to the second predetermined position under the driving of the driving mechanism 400, the limiting mechanism 500 further includes a third limiting portion 530. Specifically, referring to fig. 1, the third position-limiting portion 530 is disposed on the movable plate 300 and is used for abutting against the first position-limiting portion 510 mounted on the fixed plate 200 when the movable plate 300 moves from the first predetermined position to the second predetermined position, so as to prevent the movable plate 300 from further moving; the movable plate 300 is precisely moved to the second preset position. That is, the first position-limiting portion 510 is movable between the second position-limiting portion 520 and the third position-limiting portion 530. It is understood that, in other embodiments of the present invention, the third position-limiting portion may also be disposed on the fixing plate 200, and at this time, the third position-limiting portion is used to abut against the second position-limiting portion 520 mounted on the movable plate 300 when the movable plate 300 moves from the first preset position to the second preset position, so as to prevent the movable plate 300 from further moving; that is, the second position-limiting portion can move between the first position-limiting portion and the third position-limiting portion.
It should be understood that the above embodiment is explained based on the first air hole 201 and the pressure relief hole 202 being formed in the fixing plate 200, and the second air hole 301 being formed in the movable plate 300, but the present invention is not limited thereto; because the movement has relativity, in other embodiments of the present invention, the first air hole 201 and the pressure relief hole 202 can be simultaneously disposed on the movable plate 300, correspondingly, the second air hole 301 is disposed on the fixed plate 200, and the driving mechanism 400 is still used for driving the movable plate 300 to move between the first predetermined position and the second predetermined position relative to the fixed plate 200.
The embodiment of the utility model provides an induced draft state auto-change over device includes base 100, fixed plate 200, fly leaf 300 and actuating mechanism 400. The fixed plate 200 and the movable plate 300 are closely arranged, one of the fixed plate 200 and the movable plate 300 is provided with a first air hole 201 and a pressure relief hole 202, and the first air hole 201 is used for being communicated with an air inlet of an external fan; the other of the fixed plate 200 and the movable plate 300 is provided with a second air hole 301 therethrough, and the second air hole 301 is used for communicating with an external air device. The driving mechanism 400 is used for driving the movable plate 300 to move between a first preset position and a second preset position. Wherein, at the first preset position, the first air hole 201 is communicated with the second air hole 301; in the second predetermined position, the first air hole 201 is blocked by one of the fixed plate 200 and the movable plate 300 having the second air hole 301, and the pressure relief hole 202 is communicated with the second air hole 301.
The air suction state switching device is respectively communicated with the air inlet of the fan and the air utilization device, and the fan can perform air suction operation, and the air suction state switching device can enable the movable plate 300 to be switched between the first preset position and the second preset position through the driving mechanism 400. When the movable plate 300 is located at the first preset position, the air utilization device is communicated with an air inlet of the fan through the second air hole 301 and the first air hole 201, and the air utilization device is in a negative pressure state; when the movable plate 300 is at the second preset position, the air utilization device is communicated with the external environment through the second air hole 301 and the pressure relief hole 202, and the air utilization device is in a normal pressure state; in the whole process, the fan can be in a starting state all the time. That is to say, this state auto-change over device that induced drafts can effectively solve the fan and be in the starting condition under, the technical problem that the device can not switch between negative pressure state and ordinary pressure state with wind.
Based on the same inventive concept, the utility model also provides a printing equipment, this printing equipment include the platform that induced drafts, with induced drafts the state auto-change over device and the fan of platform one-to-one that induced drafts, wherein, this state auto-change over device that induced drafts is the state auto-change over device that induced drafts that provides in the above-mentioned embodiment. The first air hole of each air suction state switching device is communicated with the air inlet of the fan, and the second air hole of each air suction state switching device is communicated with the air suction platform.
Due to the adoption of the air suction state switching device, a fan in the printing equipment does not need to be started and stopped frequently. In addition, the printing equipment can realize the state switching control of a plurality of air suction platforms through one fan and a plurality of air suction state switching devices; a plurality of fans are not needed to be arranged, and each fan independently controls an air suction platform; because the fan is comparatively expensive, the printing equipment can reduce the whole expense of printing equipment to a certain extent.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An air suction state switching device is characterized by comprising a fixed plate, a movable plate and a driving mechanism, wherein the fixed plate and the movable plate are arranged in a clinging manner;
one of the fixed plate and the movable plate is provided with a first air hole and a pressure relief hole, wherein the first air hole is communicated with an air inlet of an external fan;
the other one of the fixed plate and the movable plate is provided with a second through air hole which is communicated with an external air device;
the driving mechanism is connected with the movable plate and used for driving the movable plate to move between a first preset position and a second preset position;
at the first preset position, the first air hole is communicated with the second air hole;
and at the second preset position, the first air hole is blocked by one of the fixed plate and the movable plate, which is provided with the second air hole, and the pressure relief hole is communicated with the second air hole.
2. The air suction state switching device according to claim 1, wherein the first air hole is formed in the fixed plate and extends from one end of the fixed plate facing the movable plate to one side of the fixed plate facing away from the movable plate;
the second air hole is formed in the movable plate, and extends from one end, facing the fixed plate, of the movable plate to one end, deviating from the fixed plate, of the movable plate.
3. The suction state switching device according to claim 1, further comprising a first air duct joint and a second air duct joint;
the first air pipe joint is arranged at the first air hole and is used for being communicated with an air inlet of the fan;
and the second air pipe joint is arranged at the second air hole and is used for being communicated with the air inlet of the air utilization device.
4. The suction state switching device according to claim 1, further comprising two sets of guide wheels;
the guide wheel set comprises at least two guide wheels, the guide wheels are rotatably arranged at one end of the fixed plate facing the fixed plate, the guide wheels in the same guide wheel set are arranged at intervals along the direction from the first preset position to the second preset position, and the two guide wheel sets are arranged oppositely;
the movable plate comprises a guide part, the guide part is arranged between the two guide wheel sets, and the movable plate and the fixed plate are in sliding fit through the two guide wheel sets and the guide part.
5. The air suction state switching device according to claim 4, wherein one end of the guide wheel, which is far away from the fixing plate, extends outwards to form a limiting flange;
along the direction that the fixed plate points to the movable plate, the guide part is abutted between the fixed plate and the limiting flange.
6. The air suction state switching device according to any one of claims 1 to 5, further comprising a first limiting portion and a second limiting portion, wherein the first limiting portion is disposed on the fixed plate, and the second limiting portion is disposed on the movable plate;
the first limiting portion and the second limiting portion are used for being mutually abutted when the movable plate moves from the second preset position to the first preset position so as to prevent the movable plate from further moving.
7. The air suction state switching device according to claim 6, further comprising a third limiting part;
the third limiting part is arranged on the movable plate and is used for abutting against the first limiting part when the movable plate moves from the first preset position to the second preset position so as to prevent the movable plate from further moving; alternatively, the first and second electrodes may be,
the third limiting part is arranged on the fixed plate and is used for abutting against the second limiting part when the movable plate moves from the first preset position to the second preset position so as to prevent the movable plate from further moving.
8. The suction state switching device according to any one of claims 1 to 5, wherein the driving mechanism comprises a cylinder, and an output end of the cylinder is connected with the movable plate.
9. The suction status switching device according to any one of claims 1 to 5, wherein the driving mechanism is configured to drive the movable plate to move along an arc between the first preset position and the second preset position.
10. A printing apparatus characterized by comprising the air suction state switching device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022038267.3U CN213649156U (en) | 2020-09-16 | 2020-09-16 | Air suction state switching device and printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022038267.3U CN213649156U (en) | 2020-09-16 | 2020-09-16 | Air suction state switching device and printing equipment |
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| Publication Number | Publication Date |
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| CN213649156U true CN213649156U (en) | 2021-07-09 |
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| CN202022038267.3U Active CN213649156U (en) | 2020-09-16 | 2020-09-16 | Air suction state switching device and printing equipment |
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| CN (1) | CN213649156U (en) |
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