CN211484620U - Automatic switching device of butterfly filter - Google Patents

Automatic switching device of butterfly filter Download PDF

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Publication number
CN211484620U
CN211484620U CN201921835220.0U CN201921835220U CN211484620U CN 211484620 U CN211484620 U CN 211484620U CN 201921835220 U CN201921835220 U CN 201921835220U CN 211484620 U CN211484620 U CN 211484620U
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China
Prior art keywords
butterfly
butterfly filter
assembly
moving
switching device
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CN201921835220.0U
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Chinese (zh)
Inventor
张爽
邱立忠
田新智
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Xinlicheng Medical Accelerator Wuxi Co ltd
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Xinlicheng Medical Accelerator Wuxi Co ltd
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Abstract

The utility model discloses an automatic switching device of a butterfly filter, which comprises a fixed component; the moving component is arranged on the fixed component in a sliding mode and used for bearing the two butterfly filters to be switched; and the driving assembly is fixed on the fixed assembly and used for driving the moving assembly to slide on the fixed assembly so as to drive one butterfly filter to move to a preset position. The automatic switching device for the butterfly filter fixes different butterfly filters on the moving assembly, and the moving assembly can drive different butterfly filters to move, so that the different butterfly filters can be quickly and automatically switched to a preset position (namely, the middle of the CBCT image plate and the detected object), and the defects that the existing manual switching butterfly filters are inconvenient to operate and long in replacement time are overcome.

Description

Automatic switching device of butterfly filter
Technical Field
The utility model relates to a medical linear accelerator field especially relates to a butterfly filter automatic switching control equipment.
Background
In the application of the high-and high-energy medical linear accelerator, the apparatus provides information on a subject through an image based on the intensity of an X-ray transmitted through the subject, and plays an important role in most medical behaviors including diagnosis, treatment, surgical planning, and the like of a disease.
Among them, the filter can filter irrelevant x-rays and retain the x-rays required for imaging, so that CBCT (cone beam computed tomography) imaging plate imaging is clearer and becomes an important component in medical linear acceleration equipment. In practical application, however, filters of different models need to be changed continuously according to different scanning positions of patients. In the prior art, filters of different models are replaced manually, and the filters are positioned in a machine frame, so that the replacement operation is inconvenient and the replacement time is long.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a butterfly filter automatic switching control equipment, through fixing the butterfly filter of difference on the motion subassembly, the motion subassembly drives the different butterfly filter and removes preset position (also be exactly CBCT image board and examined the body is positive in the middle) to realized the different butterfly filter of quick automatic switch-over, overcome current manual work and switched over butterfly filter and operate inconveniently, and the long defect of replacement time.
As the conception, the utility model adopts the following technical proposal:
an automatic switching device of a butterfly filter, comprising:
a fixing assembly;
the moving component is arranged on the fixed component in a sliding mode and used for bearing the two butterfly filters to be switched;
and the driving assembly is fixed on the fixed assembly and used for driving the moving assembly to slide on the fixed assembly so as to drive one butterfly filter to move to a preset position.
Optionally, the motion assembly comprises:
the upper surface of the moving bottom plate is provided with two butterfly filters at intervals;
and the linear guide rail is fixed on the fixed assembly, and a sliding block on the linear guide rail is fixedly connected with the moving bottom plate.
Optionally, the motion assembly further comprises:
the partition plates are arranged on the motion bottom plate, a butterfly filter is arranged between every two adjacent partition plates, and two side walls, perpendicular to the motion direction of the motion assembly, of the butterfly filters are clamped and fixed by the two partition plates;
the stop blocks are arranged on the moving bottom plate in multiple groups, each group of stop blocks corresponds to one butterfly filter, and two side walls, parallel to the moving direction of the moving assembly, of the butterfly filters are clamped and fixed by the stop blocks.
Optionally, the automatic switching device of the butterfly filter further includes a first adjusting component, and the partition abuts against the side wall of the filter through the first adjusting component.
Optionally, the first adjustment assembly comprises:
the adjusting knob is connected with one partition plate matched with the butterfly filter in a threaded mode, and the end portion of the adjusting knob penetrates through the partition plate and abuts against the side wall of the butterfly filter;
and the elastic supporting piece is opposite to the adjusting knob, the elastic supporting piece can be elastically and telescopically arranged on the other partition board matched with the butterfly filter, and the end part of the elastic supporting piece is abutted against the side wall of the butterfly filter.
Optionally, the resilient support comprises:
the supporting pin is used for tightly abutting against the side wall of the butterfly filter;
and a spring having one end connected to the support pin and the other end fixed to the other partition plate.
Optionally, the resilient support comprises:
two support pins, each support pin is abutted with the side wall of one butterfly filter;
the spring penetrates through the other partition plate, and two ends of the spring are respectively connected with one supporting pin;
and two stop pins are arranged, one end of each support pin is fixedly connected with one stop pin, and the other end of each support pin penetrates through the long hole formed in the other partition plate and can be tightly abutted against the side wall of the long hole.
Optionally, the automatic switching device for the butterfly filter further comprises a second adjusting component, the second adjusting component comprises a pin, the pin is in threaded connection with the stop block, and the pin penetrates through the stop block and abuts against the side wall of the butterfly filter.
Optionally, the fixing assembly further comprises two limit switches, each limit switch is used in cooperation with one of the butterfly filters, and the limit switches are configured to be triggered by the contact of the moving assembly when one of the butterfly filters moves to a preset position.
Optionally, the drive assembly comprises:
the base is connected with the fixing component;
the ball screw is rotatably arranged on the base in a penetrating way and is arranged in parallel with the linear guide rail;
the connecting piece is sleeved on the ball screw in a threaded manner and is connected with the moving bottom plate;
and the rotation output end of the motor is fixed with one end of the ball screw.
The utility model has the advantages that:
the utility model provides a butterfly filter automatic switching control equipment, this butterfly filter automatic switching control equipment are through fixing the butterfly filter of difference on the motion subassembly, and the motion subassembly can drive different butterfly filter and remove to predetermineeing the position under the drive assembly drive to realized the different butterfly filter of quick automatic switch-over, overcome current manual work and switched over butterfly filter and operate inconveniently, and the long defect of replacement time.
Drawings
Fig. 1 is a schematic structural diagram of a combination state of the automatic switching device of the butterfly filter provided by the present invention;
fig. 2 is a schematic structural diagram of the automatic switching device of the butterfly filter according to the present invention in a disassembled state;
fig. 3 is an exploded schematic view of a moving component in the automatic switching device of the butterfly filter provided by the present invention;
fig. 4 is a top view of a motion assembly in the automatic switching device of the butterfly filter provided by the present invention;
fig. 5 is a schematic structural diagram of a driving assembly in the automatic switching device of the butterfly filter according to the present invention;
fig. 6 is a schematic structural diagram of a fixing component in the automatic switching device of the butterfly filter according to the present invention.
In the figure:
100. a head scanning butterfly filter; 101. a body scanning butterfly filter;
1. a motion assembly; 11. a motion floor; 12. a linear guide rail; 13. a partition plate; 14. a stopper; 2. a fixing assembly; 21. a limit switch; 3. a drive assembly; 31. a base; 32. a motor; 33. a connecting member; 34. a ball screw; 35. electromagnetic braking; 4. a first adjustment assembly; 41. adjusting a knob; 42. an elastic support member; 421. a support pin; 422. a spring; 423. a stop pin; 5. a pin.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "one end" and "the other end" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "one end" and "the other end" are two different positions.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The utility model provides an automatic switching device of a butterfly filter, as shown in fig. 1 and fig. 2, fig. 1 is a structural schematic diagram of a combined state of the automatic switching device of the butterfly filter provided by the utility model, fig. 2 is a structural schematic diagram of a split state of the automatic switching device of the butterfly filter provided by the utility model, the automatic switching device of the butterfly filter comprises a moving component 1, a fixed component 2 and a driving component 3; specifically, the moving assembly 1 is loaded with two butterfly filters to be switched, and the moving assembly 1 is slidably arranged on the fixing assembly 2 to realize that the moving assembly 1 drives the two butterfly filters to slide on the fixing assembly 2; specifically, the two butterfly filters are arranged in parallel along the movement direction of the movement assembly 1 so as to be convenient for the two butterfly filters to realize switching under the driving of the movement assembly 1; further, the two butterfly filters are a commonly used head scanning butterfly filter 100 and a body scanning butterfly filter 101; optionally, the driving assembly 3 is fixed on the fixing assembly 2, and is configured to drive the moving assembly 1 to slide on the fixing assembly 2, so as to drive one of the butterfly filters to move to the preset position. The predetermined position is located right in the middle between the CBCT image plate and the subject. As shown in fig. 1, when the subject needs to perform head scanning, the head scanning butterfly filter 100 and the body scanning butterfly filter 101 slide rightward (in the example of the left-right direction in fig. 1) along with the motion component 1 until the head scanning butterfly filter 100 reaches a position right between the CBCT image plate and the subject, and the motion component 1 stops moving; when the subject needs to perform the body scanning, the head scanning butterfly filter 100 and the body scanning butterfly filter 101 slide leftward (in the example of the left-right direction in fig. 1) along with the motion unit 1 until the body scanning butterfly filter 101 reaches a position right in between the CBCT image plate and the subject, and the motion unit 1 stops moving. According to the automatic switching device for the butterfly filters, the two different butterfly filters are fixed on the moving component 1, and the driving component 3 drives the moving component 1 to drive the different butterfly filters to move to the preset positions, so that the different butterfly filters can be quickly and automatically switched, and the defects that the existing manual switching filter is inconvenient to operate and long in replacement time are overcome.
Alternatively, as shown in fig. 2 and fig. 3, fig. 3 is an exploded schematic view of a motion assembly in the automatic switching device of the butterfly filter provided by the present invention, the motion assembly 1 includes a motion base plate 11, specifically, a head scanning butterfly filter 100 and a body scanning butterfly filter 101 are mounted on an upper surface of the motion base plate 11 at intervals; preferably, in order to provide a sufficient installation area for the two butterfly filters, the area of the upper surface of the moving base 11 is larger than the area occupied by the two butterfly filters on the moving base 11.
Further, in order to fix the butterfly filter on the moving bottom plate 11, the moving assembly 1 further includes a plurality of partition plates 13, the partition plates 13 are disposed on the moving bottom plate 11, a head scanning butterfly filter 100 or a body scanning butterfly filter 101 is disposed between two adjacent partition plates 13, and two side walls of the head scanning butterfly filter 100 and the body scanning butterfly filter 101 perpendicular to the moving direction of the moving assembly 1 are held and fixed by the two partition plates 13, that is, the head scanning butterfly filter 100 and the body scanning butterfly filter 101 are held and fixed by three partition plates 13. Preferably, in order to increase the stability of the partition 13 clamping the butterfly filter, the contact surface of the partition 13 abutting the side wall of the butterfly filter is large enough and the length of the partition 13 may be set equal to the length of the side wall of the butterfly filter abutting the same.
Furthermore, in order to further fix the butterfly filter on the moving base plate 11, the moving assembly 1 further includes stoppers 14, the stoppers 14 are provided with a plurality of sets and are installed on the moving base plate 11, each set of stopper 14 corresponds to one butterfly filter, and two side walls of the butterfly filter parallel to the moving direction of the moving assembly 1 are abutted by the stoppers 14. Specifically, as shown in fig. 3, in the present embodiment, two sets of the stoppers 14 are provided, each set of the stoppers 14 may be four, and two side walls of the head scanning butterfly filter 100 and the body scanning butterfly filter 101 parallel to the moving direction of the moving assembly 1 are respectively abutted by two stoppers 14 to clamp and fix the two stoppers. The side wall of the butterfly filter is provided with the stop block 14 and the partition plate 13 to clamp and fix the butterfly filter, so that the butterfly filter is fixed on the moving bottom plate 11, the butterfly filter is convenient to replace, and the butterfly filter cannot be damaged. Of course, the way of clamping and fixing the butterfly filter is not limited to the solution shown in the present embodiment, and the sidewall of the butterfly filter may be only provided with the partition 13 or the stopper 14 to clamp and fix the butterfly filter, as long as the solution conceivable by the present embodiment is within the protection scope of the present application.
Optionally, as shown in fig. 3, in practical applications, in order to make the imaging effect of the CBCT image panel clearer and more accurate, the perpendicularity of the butterfly filter along the moving direction of the moving assembly 1 needs to be adjusted, the moving assembly 1 further includes a first adjusting assembly 4, the partition plate 13 is abutted to the sidewall of the butterfly filter through the first adjusting assembly 4, and the perpendicularity adjustment of the butterfly filter along the moving direction of the moving assembly 1 can be achieved through the first adjusting assembly 4.
Further, as shown in fig. 3, the first adjusting assembly 4 includes an adjusting knob 41 and an elastic support 42, the adjusting knob 41 is screwed on one partition 13 matched with the butterfly filter, and the end portion of the adjusting knob passes through the partition 13 and abuts against the side wall of the butterfly filter. Specifically, in order to conveniently screw the adjusting knob 41, the adjusting knob 41 is arranged on the partition plate 13 matched with the outer side walls of the two butterfly filters; in order to further accurately adjust the verticality of the butterfly filter with the moving direction of the moving assembly 1, two adjusting knobs 41 are arranged on each partition plate 13, and the two adjusting knobs 41 are oppositely arranged at two ends along the length direction of the partition plate 13.
Alternatively, the elastic support 42 is elastically and telescopically mounted on the other partition 13 cooperating with the butterfly filter and is disposed opposite the adjustment knob 41. Specifically, the elastic support 42 is located on the partition 13 between the head scanning butterfly filter 100 and the body scanning butterfly filter 101. Specifically, the two butterfly filters may be provided with two elastic supports 42, and each elastic support 42 penetrates through the middle partition 13 to abut against two adjacent side walls of the head scanning butterfly filter 100 and the body scanning butterfly filter 101.
Alternatively, in this embodiment, as shown in fig. 3, the number of the elastic supporting members 42 may be two, each of the elastic supporting members 42 includes a supporting pin 421, a spring 422 and a blocking pin 423, the spring 422 is inserted into the partition plate 13 between the two butterfly filters, and two ends of the spring 422 are connected to one supporting pin 421 respectively. Specifically, of the two support pins 421 connected to both ends of each spring 422, one support pin 421 abuts against the inner side wall of the head scanning butterfly filter 100, the other support pin 421 abuts against the inner side wall of the body scanning butterfly filter 101, and the two support pins 421 can abut against the adjacent side walls of the two butterfly filters through the partition plate 13 between the head scanning butterfly filter 100 and the body scanning butterfly filter 101. Further, in order to prevent the supporting pins 421 and the springs 422 from separating from the partition plate 13, one end of each supporting pin 421 is fixedly connected with a stop pin 423, and in cooperation with the stop pin 423, two long holes are symmetrically formed in the partition plate 13 in the middle of the partition plate, one end of the stop pin 423 is fixed with the supporting pin 421, and the other end of the stop pin 423 can be placed in the long hole and can be abutted against the side wall of the long hole, so that the supporting pin 421 is limited. Specifically, as shown in fig. 3 and 4, when the adjusting knob 41 is screwed, the blocking pin 423 can move in the elongated hole for a distance under the driving of the supporting pin 421 and then abut against the sidewall of the elongated hole, and the distance that the blocking pin 423 moves in the elongated hole is equal to the distance that the supporting pin 421 connected thereto moves when adjusting the corresponding butterfly filter.
Alternatively, the number of the elastic supports 42 may also be four, and in this case, each butterfly filter corresponds to two elastic supports 42. Each elastic support 42 includes a support pin 421 and a spring 422, the spring 422 has one end connected to the support pin 421 and the other end fixed to the partition plate 13 between the two butterfly filters, and the support pin 421 is used to abut against the side walls of the butterfly filters. Specifically, one end of the spring 422 may be fixed on a surface of a side of the partition plate 13 and the other end thereof is connected with a support pin 421; one end of the spring 422 may also be fixed inside the partition 13 and one end thereof connected to the support pin 421 may pass through the partition 13, and the support pin 421 abuts against the side wall of the head scanning butterfly filter 100 or the body scanning butterfly filter 101 under the action of the spring 422.
When the first adjusting assembly 4 of the present embodiment is adjusted, the specific adjusting process is as follows:
(1) when the end of the head scanning butterfly filter 100 away from the driving component 3 tilts to the right or left (taking the left-right direction shown in fig. 1 as an example) during the clamping and fixing process, the adjusting knob 41 on the head scanning butterfly filter 100 away from the driving component 3 is screwed; if the head scanning butterfly filter is inclined to the right, the end of the head scanning butterfly filter 100 inclined to the right moves to the left under the pushing of the elastic support 42; if it is tilted to the left, the adjusting knob 41 pushes the end of the head scanning butterfly filter 100 tilted to the left to move to the right.
(2) When the end of the head scanning butterfly filter 100 close to the driving component 3 tilts to the right or left (taking the left-right direction shown in fig. 1 as an example) in the clamping and fixing process, the adjusting knob 41 on the head scanning butterfly filter 100 close to the driving component 3 is screwed; if the head scanning butterfly filter is inclined to the right, the end of the head scanning butterfly filter 100 inclined to the right moves to the left under the pushing of the elastic support 42; if it is tilted to the left, the adjusting knob 41 pushes the end of the head scanning butterfly filter 100 tilted to the left to move to the right.
During adjustment, the adjustment knob 41 is stopped from being screwed when the head scanning butterfly filter 100 is observed to be perpendicular to the direction of movement of the moving assembly 1.
The body scanning butterfly filter 101 is also adjusted according to the adjustment process described above. Note that, in order to make the support pin 421 always abut against the butterfly filter, the spring 422 is always in a compressed state during the adjustment process. Compare and all need recalibrate once more when present artifical change butterfly filter at every turn, this scheme only need when just installing butterfly filter with butterfly filter straightness calibration that hangs down, need not calibrate many times in the later stage use. The verticality adjustment of the butterfly filter along the movement direction of the movement component 1 is realized through the common adjustment of the adjusting knob 41 and the elastic supporting piece 42, so that the CBCT image plate obtains a better imaging effect.
Optionally, fig. 4 is a top view of the motion assembly in the automatic switching device of the butterfly filter, as shown in fig. 4, in order to realize the position adjustment of the butterfly filter in the direction perpendicular to the motion direction of the motion assembly 1 to obtain a better CBCT image board imaging effect, the motion assembly 1 further includes a second adjusting assembly, specifically, the second adjusting assembly includes a pin 5, the pin 5 is in threaded connection with the stopper 14, and the pin 5 passes through the stopper 14 to abut against the side wall of the butterfly filter. In the actual adjustment, when the head scanning butterfly filter 100 or the body scanning butterfly filter 101 needs to be moved in the direction perpendicular to the moving direction of the moving assembly 1 and away from the driving assembly 3, the pin 5 on the side of the head scanning butterfly filter 100 or the body scanning butterfly filter 101 close to the driving assembly 3 is screwed, the pin 5 pushes the head scanning butterfly filter 100 or the body scanning butterfly filter 101 to move, and the pin 5 on the side away from the driving assembly 3 is screwed when the head scanning butterfly filter 100 or the body scanning butterfly filter 101 moves to the preset position. Through setting up pin 5, realized the position control of butterfly filter in the direction of motion of perpendicular to motion subassembly 1 in order to obtain better CBCT image board imaging effect.
Optionally, as shown in fig. 2 and fig. 6, fig. 6 is a schematic structural diagram of a fixing component in the automatic switching device of the butterfly filter, in order to realize the sliding of the moving component 1 on the fixing component 2, the moving component 1 further includes a linear guide rail 12, the linear guide rail 12 is fixed on the fixing component 2, and a slider on the linear guide rail 12 is fixedly connected to the bottom surface of the moving bottom plate 11; specifically, in order to ensure the stability of the sliding of the moving assembly 1 on the fixed assembly 2, two linear guide rails 12 are provided, and the two linear guide rails 12 are parallel to the driving assembly 3 and are oppositely arranged at positions close to two ends of the bottom surface of the moving base plate 11. Further, the linear guide 12 has a length enough to move the two butterfly filters to the predetermined position by the moving component 1. The sliding of the moving component 1 on the fixed component 2 can be realized through the arranged linear guide rail 12 so as to drive one of the two butterfly filters to be switched to move to a preset position, and the switching of different butterfly filters is realized.
Further, as shown in fig. 5, fig. 5 is a schematic structural diagram of a driving assembly in the automatic switching device for a butterfly filter, in order to realize the automatic switching of the butterfly filter, the driving assembly 3 includes a base 31, a ball screw 34, a connecting member 33 and a motor 32. Specifically, base 31 is connected with fixed subassembly 2, and ball 34 is rotatable to be worn to locate on base 31 and with linear guide 12 parallel arrangement, and connecting piece 33 threaded sleeve is established on ball 34 and connecting piece 33 is connected with motion bottom plate 11, and motor 32 rotates the output and is connected with ball 34 one end. Preferably, the base 31 is provided in a plurality of positions spaced apart from each other near the ends of the ball screw 34 to prevent the driving assembly 3 from shaking during driving, and the base 31 does not interfere with the movement of the connecting member 33 on the ball screw 34. Preferably, the ball screw 34 is provided with a sufficient length as required to satisfy a sufficient switching distance when the motion assembly 1 drives the butterfly filter to switch. Preferably, the connecting member 33 can move back and forth under the rotation of the ball screw 34, so as to drive the moving bottom plate 11 to slide back and forth on the linear guide rail 12 on the fixed component 2 to realize the switching of the butterfly filter. Preferably, the motor 32 is connected to the ball screw 34 through a coupling, and the motor 32 is a forward and reverse motor for driving the ball screw 34 to rotate forward and reverse to realize the back and forth movement of the connecting member 33.
Optionally, as shown in fig. 1 and fig. 6, in order to enable the moving bottom plate 11 to stop in time when the butterfly filter is moved to the preset position, the fixing assembly 2 further includes two limit switches 21, each limit switch 21 is used in cooperation with one butterfly filter, and the limit switches 21 are configured to be triggered by the moving assembly 1 when one butterfly filter is moved to the preset position and the limit switches 21 used in cooperation therewith are contacted. Specifically, when both the two butterfly filters can complete switching to the preset position, the start and end positions of the motion trajectory that the motion base plate 11 slides on the linear guide rail 12 are respectively and correspondingly provided with a limit switch 21. When the head scanning butterfly filter 100 moves to the right (left and right in fig. 1) to a predetermined position, the side of the motion base plate 11 on the side of the body scanning butterfly filter 101 contacts a limit switch 21 (on the right in fig. 1); when the body scanning butterfly filter 101 moves to the left (left and right in fig. 1) to a predetermined position, the side of the motion base plate 11 on the side of the head scanning butterfly filter 100 contacts a limit switch 21 (left in fig. 1); when the limit switch 21 contacts the moving base plate 11, an electric signal is transmitted to the control mechanism, and the control mechanism receives the electric signal and immediately cuts off the power supply, so that the motor 32 cuts off the power supply.
Further, when the power is turned off, in order to prevent the ball screw 34 from continuing to rotate due to inertia and thus the butterfly filter from deviating from the preset position, the driving assembly 3 further includes an electromagnetic brake 35, and the electromagnetic brake 35 is fixed to the fixing assembly 2 and is disposed at the other end of the ball screw 34. Specifically, when the limit switch 21 touches the moving base plate 11, the limit switch 21 controls the mechanism according to the electric signal, and after the control mechanism receives the electric signal, the control mechanism simultaneously controls the motor 32 to disconnect the power supply, and controls the electromagnetic brake 35 to perform a braking operation, so as to tightly hold the ball screw 34 to prevent the ball screw 34 from continuing to rotate due to inertia.
In the automatic switching device for the butterfly filter provided in this embodiment, the butterfly filter installation process can be described as follows: firstly, two butterfly filters are fixed on the upper surface of a moving bottom plate 11 through a partition plate 13 and a stop block 14, the verticality of the butterfly filters along the moving direction of a moving component 1 is adjusted through a first adjusting component 4, and then the position of the butterfly filters perpendicular to the moving direction of the moving component 1 is adjusted through a second adjusting component.
The butterfly filter switching process can be described as: the motor 32 is electrified, the motor 32 drives the ball screw 34 to rotate so as to drive the connecting piece 33 to move on the screw, the connecting piece 33 drives the moving bottom plate 11 to move, the moving bottom plate 11 drives the butterfly filters to move, when one of the butterfly filters moves to a preset position, the moving bottom plate 11 is in contact with one of the limit switches 21, the limit switch 21 sends out an electric signal, the motor 32 cuts off the power supply, meanwhile, the electromagnetic brake 35 tightly holds and brakes the ball screw 34, and the moving bottom plate 11 stops moving, so that the required butterfly filter is switched to the preset position.
The utility model provides a butterfly filter automatic switching control equipment, this butterfly filter automatic switching control equipment are through fixing the butterfly filter of difference on motion subassembly 1, and motion subassembly 1 can drive different butterfly filter and remove to predetermineeing the position under the drive of drive assembly 3 to realized that quick automatic switch-over is different butterfly filter to predetermineeing the position, overcome current manual work and switched over butterfly filter and operate inconveniently, and the long defect of replacement time.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. An automatic switching device of a butterfly filter, comprising:
a fixed assembly (2);
the moving assembly (1) is arranged on the fixing assembly (2) in a sliding mode, and the moving assembly (1) is used for bearing the two butterfly filters to be switched;
the driving component (3) is fixed on the fixing component (2), and the driving component (3) is used for driving the moving component (1) to slide on the fixing component (2) so as to drive one butterfly filter to move to a preset position.
2. The automatic butterfly filter switching device according to claim 1, wherein said moving assembly (1) comprises:
the upper surface of the moving bottom plate (11) is provided with two butterfly filters at intervals;
and the linear guide rail (12) is fixed on the fixed component (2), and a sliding block on the linear guide rail is fixedly connected with the moving bottom plate (11).
3. The automatic butterfly filter switching device according to claim 2, wherein said moving assembly (1) further comprises:
the partition plates (13) are arranged in a plurality and are arranged on the moving bottom plate (11), one butterfly filter is arranged between every two adjacent partition plates (13), and two side walls, perpendicular to the moving direction of the moving assembly (1), of each butterfly filter are clamped and fixed by the two partition plates (13);
the stop blocks (14) are arranged in multiple groups and are arranged on the moving bottom plate (11), each group of stop blocks (14) corresponds to one butterfly filter, and two side walls, parallel to the moving direction of the moving component (1), of the butterfly filters are clamped and fixed by the stop blocks (14).
4. The automatic butterfly filter switching device according to claim 3, further comprising a first adjusting element (4), wherein the partition (13) abuts against the butterfly filter sidewall through the first adjusting element (4).
5. Automatic butterfly filter switching device according to claim 4, characterized in that said first adjusting assembly (4) comprises:
the adjusting knob (41) is connected to one partition plate (13) matched with the butterfly filter in a threaded mode, and the end portion of the adjusting knob penetrates through the partition plate (13) to abut against the side wall of the butterfly filter;
and the elastic supporting piece (42) is arranged opposite to the adjusting knob (41), the elastic supporting piece (42) can be elastically and telescopically arranged on the other partition plate (13) matched with the butterfly filter, and the end part of the elastic supporting piece (42) is abutted against the side wall of the butterfly filter.
6. Automatic butterfly filter switching device according to claim 5, characterized in that said elastic support (42) comprises:
a support pin (421) for abutting against the sidewall of the butterfly filter;
and a spring (422) having one end connected to the support pin (421) and the other end fixed to the other partition plate (13).
7. Automatic butterfly filter switching device according to claim 5, characterized in that said elastic support (42) comprises:
two support pins (421), wherein each support pin (421) is abutted with the side wall of one butterfly filter;
the spring (422) is arranged in the other partition plate (13) in a penetrating way, and two ends of the spring (422) are respectively connected with one supporting pin (421);
and two stop pins (423) are arranged, one end of each support pin (421) is fixedly connected with one stop pin (423), and the other end of each support pin (421) penetrates through a long hole formed in the other partition plate (13) and can be tightly abutted against the side wall of the long hole.
8. The automatic butterfly filter switching device according to claim 3, further comprising a second adjustment assembly, wherein said second adjustment assembly comprises a pin (5), said pin (5) is in threaded connection with said stop (14), and said pin (5) passes through said stop (14) and abuts against said butterfly filter side wall.
9. The automatic butterfly filter switching device according to claim 1, wherein the fixed assembly (2) further comprises two limit switches (21), each limit switch (21) is associated with one butterfly filter, and the limit switches (21) are configured to be triggered by the contact of the moving assembly (1) with the limit switches (21) associated with the butterfly filters when the butterfly filters move to a preset position.
10. The automatic butterfly filter switching device according to claim 2, wherein said drive assembly (3) comprises:
a base (31) connected to the fixed assembly (2);
the ball screw (34) is rotatably arranged on the base (31) in a penetrating way and is arranged in parallel with the linear guide rail (12);
the connecting piece (33) is sleeved on the ball screw (34) in a threaded manner and is connected with the moving bottom plate (11);
and the rotating output end of the motor (32) is fixed with one end of the ball screw (34).
CN201921835220.0U 2019-10-29 2019-10-29 Automatic switching device of butterfly filter Active CN211484620U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4287217A1 (en) * 2022-05-31 2023-12-06 GE Precision Healthcare LLC Systems and methods for an integrated filter assembly with two carriages

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4287217A1 (en) * 2022-05-31 2023-12-06 GE Precision Healthcare LLC Systems and methods for an integrated filter assembly with two carriages

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