Filter membrane clamp sampling and weighing mechanism

Abstract

The invention discloses a filter membrane clamp sampling and weighing mechanism, and relates to the technical field of environmental monitoring, the filter membrane clamp sampling and weighing mechanism comprises an operation room, a weighing assembly, a first carrying assembly, a second carrying assembly, a sampling assembly, a feeding barrel and a supply barrel; the operation room is divided into a constant-temperature room and a sampling room through a lifting door, the first carrying assembly and the balance are arranged in the constant-temperature room, the second carrying assembly, the sampling assembly, the feeding barrel and the material supply barrel are arranged in the sampling room, a film storage frame is arranged in the constant-temperature room, a film transfer frame is arranged in the sampling room, and the film transfer frame is arranged in the sampling room. The technical problems that a weighing mechanism in an existing device is not provided with a dust cover, dust possibly falls onto a filter membrane in the weighing process, accordingly, weighing of the filter membrane is affected, the weighing result of the filter membrane is inaccurate, and in the using process of the device, the filter membrane needs to be moved through a mechanical arm, and the grabbing cost of the mechanical arm is high are effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of environmental monitoring, and particularly to a filter membrane clamp sampling and weighing mechanism. Background Art

[0002] Atmospheric particulate matter is an important pollutant in the environment, and its content in the atmosphere needs to be monitored; when monitoring the content of particulate matter in the air, usually a sampler is used to sample the particulate matter in the air, and then the filter membrane in the sampler is taken out and placed in a weighing device, and the filter membrane is weighed after standing in the weighing device for a certain period of time; however, since the existing sampler and weighing device are separately and independently arranged, it is necessary to manually move the sampled filter membrane in the sampler into the weighing device, which will consume a lot of manual time.

[0003] For example, in the invention patent with the publication number CN108516347B, an automatic filter membrane picking, placing and conveying device and method for soot weighing are disclosed; the device includes a bottom plate, a controller arranged on the bottom plate, as well as three working positions and two detection positions, namely a clean filter membrane picking position, a sampling and weighing position, a waste filter membrane discarding position, a filter membrane picking detection position, and a sampling and discarding membrane detection position, and sensors are arranged at the working positions and detection positions; through holes are respectively opened on the bottom plate at the clean filter membrane picking position, the sampling and weighing position, and the waste filter membrane discarding position, and a clean membrane barrel, a filter membrane weighing mechanism and a waste membrane barrel are respectively connected below the through holes; a rotating arm structure and a filter membrane picking mechanism located on the rotating arm are also arranged on the bottom plate.

[0004] However, there is no dust-proof cover at the weighing mechanism in this device, and dust may fall on the filter membrane during the weighing process, thus affecting the weighing of the filter membrane and resulting in inaccurate weighing results of the filter membrane. Moreover, during the use of this device, it is necessary to move the filter membrane through a manipulator, and the grasping cost of the manipulator is relatively high. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a filter membrane clamp sampling and weighing mechanism, which solves the technical problems proposed in the above background art.

[0006] To achieve the above purposes, the present invention is realized through the following technical solutions: a filter membrane clamp sampling and weighing mechanism, including an operation room, a weighing assembly, a first handling assembly, a second handling assembly, a sampling assembly, a feed barrel and a supply barrel; the operation room is divided into a constant temperature room and a sampling room by a lifting door, the first handling assembly and the balance are both arranged in the constant temperature room, the second handling assembly, the sampling assembly, the feed barrel and the supply barrel are all arranged in the sampling room, a film storage rack is arranged in the constant temperature room, a film transfer rack is arranged in the sampling room, and the film transfer rack, the balance and the film storage rack are all arranged on the rotation track of the first handling assembly; The weighing component includes a balance, on which a balance frame is installed. Outside the balance, there is a balance cover seat, on which a balance cover is installed. On the top of the balance cover, there is a balance cover lid, and a balance cover door is movably installed on the balance cover.

[0007] Preferably, a servo shaft is rotatably installed inside the balance cover. A first servo for driving the rotation of the servo shaft is installed on the balance cover wall through a servo support. A pair of support rods are hinged on the servo shaft, and a pair of pull rods are hinged on the inner wall of the balance cover. The other ends of the pair of support rods and the pair of pull rods are both hinged to the balance cover door.

[0008] Preferably, the first handling component includes a material receiving claw. A pair of linear bearings are movably installed on the bottom plate of the constant temperature chamber. Below the bottom plate of the constant temperature chamber, there are an electric push rod and a balance rod. The telescopic end of the electric push rod penetrates through one of the linear bearings and is fixedly installed with a servo fixing plate. The top of the balance rod penetrates through the bottom plate of the constant temperature chamber and is fixedly connected to the servo fixing plate. A second servo is fixedly installed at the bottom of the servo fixing plate. The driving end of the second servo is installed with a servo strengthening arm, and the material receiving claw is installed on the servo strengthening arm. Fixing plates and reinforcing ribs are arranged at the bottom of the bottom plate of the constant temperature chamber.

[0009] Preferably, the second handling component includes an installation cover, a pair of clamping claws, and a driving component for driving the movement of the installation cover. A motor is fixedly installed on the top of the installation cover. The driving end of the motor extends into the installation cover and is fixedly installed with a cam. A slide rail is arranged on the bottom plate of the installation cover. A pair of sliders are slidably installed on the slide rail. A pair of sliding plates are fixedly installed on the pair of sliders. The pair of sliding plates are fixedly connected to the pair of clamping claws. The pair of sliding plates are both slidably connected to the cam, and a tension spring is arranged between the pair of sliding plates.

[0010] Preferably, the driving component includes an X-axis linear module and a Y-axis linear module. The X-axis linear module is installed on the bottom plate of the sampling chamber, the Y-axis linear module is slidably installed on the X-axis linear module, and the installation cover is slidably installed on the Y-axis linear module.

[0011] Preferably, a film storage rack is arranged in the constant temperature chamber, and a film transfer rack is arranged in the sampling chamber. The film transfer rack, the balance, and the film storage rack are all arranged on the rotation trajectory of the first handling component.

[0012] Preferably, a return air duct is arranged in the constant temperature chamber, and the return air duct is externally connected to an air conditioning system.

[0013] Preferably, sealing rings are provided between the balance cover lid and the balance cover, and between the balance cover seat and the balance cover.

[0014] Preferably, a support plate and a stiffening rib plate are arranged inside the balance cover base.

[0015] Advantages The present invention provides a filter membrane clamp sampling and weighing mechanism, which has the following advantages: 1. By installing a lifting door, the operation room can be divided into a constant temperature room and a sampling room. By providing a feeding barrel, it can be used to store filter membrane clamps that have not been sampled. By installing a feeding barrel, the filter membrane clamps after sampling can be placed in the feeding barrel. By installing a second handling component, the filter membrane clamps in the feeding barrel can be transported to the sampling component. By installing a sampling component, the filter membrane clamps can be placed at the sampling component for sampling. By installing a membrane transfer rack and a film storage rack, the filter membranes after sampling can be transported to the membrane transfer rack by the second handling component. By installing a first handling component, the filter membranes on the membrane transfer rack can be transferred to the film storage rack for weighing. And under the action of the first handling component, the filter membranes on the film storage rack can be transferred into the weighing component. By installing a balance, the filter membranes can be weighed. By installing a balance cover, it can play a dust-proof role, effectively preventing dust from falling on the filter membranes and affecting the weighing of the filter membranes. By movably installing a balance cover door, the balance cover door can be opened to facilitate loading and unloading; 2. By installing a material supporting claw, it can be used to grab the filter membrane clamp. By installing a second servo motor, starting the servo motor can drive the material supporting claw to rotate, so as to facilitate adjusting the direction of the material supporting claw. By installing an electric push rod, starting the electric push rod, the telescopic end of the electric push rod can drive the servo motor fixing plate, the servo motor and the material supporting claw to lift, so as to facilitate adjusting the height of the material supporting claw, and further facilitate the material supporting claw to transport the filter membrane to various positions. By installing a clamping claw, it can be used to grab the filter membrane clamp. By installing a driving component, starting the driving component can drive the installation cover to move. By installing a motor, starting the motor can drive the cam to rotate. By the rotation of the cam, a pair of sliding plates, a pair of sliders and a pair of clamping claws can be driven to move, so as to adjust the distance between the pair of clamping claws to facilitate grabbing the filter membrane clamp. By providing a slide rail and a slider, the slider moves along the slide rail, which has a certain limiting effect on it. By providing a tension spring, under the action of the tension of the tension spring, the distance between the pair of sliding plates can be adjusted as the cam rotates. Description of the Drawings

[0016] Figure 1 is a schematic top view of the internal structure of the present invention; Figure 2 is a schematic top view of the internal structure of the weighing component in the present invention; Figure 3 is Figure 2 a cross-sectional view taken along line A-A in Figure 4 is a front view of the first handling component in the present invention; Figure 5Top view of the first handling component in the present invention; Figure 6 Schematic diagram of the second handling component in the present invention.

[0017] In the figure: 1, balance cover; 101, first servo; 102, servo shaft; 103, balance cover door; 104, balance cover lid; 105, stiffening rib plate; 106, sealing ring; 107, servo bracket; 108, support rod; 109, pull rod; 110, balance cover base; 111, support plate; 2, balance; 201, balance frame; 3, first handling component; 301, material receiving claw; 302, servo strengthening arm; 303, second servo; 304, linear bearing; 305, electric push rod; 306, servo fixing plate; 307, constant temperature chamber bottom plate; 308, balance rod; 309, fixing plate; 310, strengthening rib; 4, return air duct; 5, constant temperature chamber; 6, film storage rack; 7, sampling component; 8, feed bucket; 9, supply bucket; 10, lifting door; 11, film transfer rack; 12, second handling component; 121, X-axis linear module; 122, Y-axis linear module; 123, mounting cover; 124, motor; 125, cam; 126, sliding plate; 127, tension spring; 128, slider; 129, slide rail; 130, clamping jaw. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] Please refer to Figures 1-6 , the present invention provides a technical solution: a filter membrane clamping sampling and weighing mechanism, including an operation room, a weighing component, a first handling component 3, a second handling component 12, a sampling component 7, a feed bucket 8, and a supply bucket 9; the operation room is divided into a constant temperature chamber 5 and a sampling chamber by a lifting door 10, the first handling component 3 and the balance 2 are both arranged in the constant temperature chamber 5, the second handling component 12, the sampling component 7, the feed bucket 8, and the supply bucket 9 are all arranged in the sampling chamber, a film storage rack 6 is arranged in the constant temperature chamber 5, a film transfer rack 11 is arranged in the sampling chamber, and the film transfer rack 11, the balance 2, and the film storage rack 6 are all arranged on the rotation track of the first handling component 3; The weighing component includes a balance 2, a balance frame 201 is installed on the balance 2, a balance cover base 110 is arranged outside the balance 2, a balance cover 1 is installed on the balance cover base 110, a balance cover lid 104 is installed on the top of the balance cover 1, and a balance cover door 103 is movably installed on the balance cover 1.

[0020] The operating room can be partitioned into a constant temperature chamber 5 and a sampling chamber by installing a lifting door 10. A feeding bucket 9 is provided for storing filter membrane clips that have not been sampled. The sampled filter membrane clips can be placed in the feeding bucket 8 by installing a feeding barrel 8. By installing a second handling component 12, the filter membrane clips in the feeding bucket 9 can be transported to the sampling component 7. By installing a sampling component 7, the filter membrane clips can be placed at the sampling component 7 for sampling. By installing a membrane transfer rack 11 and a membrane storage rack 6, the sampled filter membranes can be transported to the membrane transfer rack 11 by the second handling component 12. By installing a first handling component 3, the filter membranes on the membrane transfer rack 11 can be transferred to the membrane storage rack 6 for weighing. And under the action of the first handling component 3, the filter membranes on the membrane storage rack 6 can be transferred into the weighing component. By installing a balance 2, the filter membranes can be weighed. By installing a balance cover 1, it can play a role in dust prevention, effectively avoiding dust falling on the filter membranes and affecting the weighing of the filter membranes. By movably installing a balance cover door 103, the balance cover door 103 can be opened to facilitate loading and unloading.

[0021] Further, a servo shaft 102 is rotatably installed in the balance cover 1. A first servo 101 for driving the rotation of the servo shaft 102 is installed on the wall of the balance cover 1 through a servo bracket 107. A pair of support rods 108 are hinged to the servo shaft 102. A pair of pull rods 109 are hinged to the inner wall of the balance cover 1. The other ends of the pair of support rods 108 and the pair of pull rods 109 are both hinged to the balance cover door 103.

[0022] By installing a servo, starting the first servo 101 can drive the rotation of the servo shaft 102, thereby driving the swinging of a pair of support rods 108 and a pair of pull rods 109, and thus controlling the opening and closing of the balance cover door 103.

[0023] Further, the first handling component 3 includes a material receiving claw 301. A pair of linear bearings 304 are movably installed on the bottom plate 307 of the constant temperature chamber. An electric push rod 305 and a balance rod 308 are arranged below the bottom plate 307 of the constant temperature chamber. The telescopic end of the electric push rod 305 penetrates through a linear bearing 304 and is fixedly installed with a servo fixing plate 306. The top of the balance rod 308 penetrates through the bottom plate 307 of the constant temperature chamber and is fixedly connected to the servo fixing plate 306. A second servo 303 is fixedly installed at the bottom of the servo fixing plate 306. A servo strengthening arm 302 is installed at the driving end of the second servo 303. The material receiving claw 301 is installed on the servo strengthening arm 302. A fixing plate 309 and a strengthening rib 310 are arranged at the bottom of the bottom plate 307 of the constant temperature chamber.

[0024] It is equipped with a material - holding claw 301 that can be used to grasp the filter membrane clamp. By installing a second servo 303, starting the second servo 303 can drive the material - holding claw 301 to rotate, thus facilitating the adjustment of the direction of the material - holding claw 301. By installing an electric push rod 305, starting the electric push rod 305, the telescopic end of the electric push rod 305 can drive the servo fixing plate 306, the second servo 303, and the material - holding claw 301 to move up and down, thus facilitating the adjustment of the height of the material - holding claw 301, and further facilitating the material - holding claw 301 to transport the filter membrane to various positions.

[0025] Further, the second handling component includes an installation cover 123, a pair of clamping claws 130, a driving component for driving the installation cover 123 to move. A motor 124 is fixedly installed on the top of the installation cover 123. The driving end of the motor 124 extends into the installation cover 123 and is fixedly installed with a cam 125. A slide rail 129 is arranged on the bottom plate of the installation cover 123. A pair of sliders 128 are slidably installed on the slide rail 129. A pair of sliding plates 126 are fixedly installed on the pair of sliders 128. The pair of sliding plates 126 are fixedly connected to the pair of clamping claws 130. The pair of sliding plates 126 are both slidably connected to the cam 125. A tension spring 127 is arranged between the pair of sliding plates 126.

[0026] By installing the clamping claws 130, it can be used to grasp the filter membrane clamp. By installing the driving component, starting the driving component can drive the installation cover 123 to move. By installing the motor 124, starting the motor 124 can drive the cam 125 to rotate. By the rotation of the cam 125, it can drive the pair of sliding plates 126, the pair of sliders 128, and the pair of clamping claws 130 to move, so as to adjust the distance between the pair of clamping claws 130 to facilitate grasping the filter membrane clamp. By providing the slide rail 129 and the sliders 128, the sliders 128 can move along the slide rail 129. By providing the tension spring 127, under the action of the tension of the tension spring 127, the distance between the pair of sliding plates can be adjusted as the cam 125 rotates.

[0027] Further, the driving component includes an X - axis linear module 121 and a Y - axis linear module 122. The X - axis linear module 121 is installed on the bottom plate of the sampling chamber. The Y - axis linear module 122 is slidably installed on the X - axis linear module 121. The installation cover 123 is slidably installed on the Y - axis linear module 122.

[0028] By providing the X - axis linear module 121, it can drive the installation cover 123 to move along the X - axis, so that the clamping claws 130 can clamp and move the filter membrane clamp along the X - axis. By providing the Y - axis linear module 122, it can drive the installation cover 123 to move along the Y - axis, so that the clamping claws 130 can clamp and move the filter membrane clamp along the Y - axis.

[0029] Furthermore, a film storage rack 6 is provided in the constant temperature chamber 5, and a film transfer rack 11 is provided in the sampling chamber. The film transfer rack 11, the balance 2, and the film storage rack 6 are all arranged on the rotation track of the first handling component 3.

[0030] By providing the film transfer rack 11, the filter membrane clip after sampling can be placed on the film transfer rack 11. By installing the film storage rack 6, the filter membrane clip on the film transfer rack 11 can be transported to the film storage rack 6 by the first handling component 3 for weighing.

[0031] Furthermore, an air return duct 4 is provided in the constant temperature chamber 5, and the air return duct 4 is externally connected to an air conditioning system.

[0032] By providing the air return duct 4 and externally connecting it to an air conditioning system, the air conditioning system provides the required constant temperature and constant humidity.

[0033] Furthermore, sealing rings 106 are provided between the balance cover 104 and the balance cover 1, and between the balance cover base 110 and the balance cover 1.

[0034] By providing the sealing rings 106, the sealing performance of the balance cover 1 can be enhanced.

[0035] Furthermore, a support plate 111 and a stiffening rib plate 105 are provided in the balance cover base 110.

[0036] By providing the support plate 111 and the stiffening rib plate 105, the stability of the balance cover base 110 can be enhanced.

[0037] Persons in the art connect all the electrical components in this case to their adapted power supplies through wires, and should select a suitable controller according to the actual situation to meet the control requirements. For the specific connection and control sequence, reference should be made to the sequence of the electrical components working successively in the following working principle to complete the electrical connection. The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process, and no further description of the electrical control and air conditioning system will be given.

[0038] Working principle and usage process of the present invention: When in use, start the X-axis linear module 121 and the Y-axis linear module 122, adjust a pair of claw clamps to a suitable position for clamping, start the motor 124 to drive the cam 125 to rotate, thereby driving a pair of sliding plates 126 to move, so as to adjust a pair of claw clamps to a suitable position for clamping the filter membrane clamp. After clamping the filter membrane clamp, adjust the second handling component 12 to drive the filter membrane clamp to move to the membrane transfer rack 11. Open the lifting door 10, start the electric push rod 305, and the telescopic end of the electric push rod 305 can drive the material receiving claw 301 to lift. Start the second servo 303 to drive the material receiving claw 301 to rotate, so as to adjust the material receiving claw 301 to a suitable position for grasping the filter membrane. After grasping the filter membrane clamp, start the second servo 303 again to drive the material receiving claw 301 to rotate, thereby driving the filter membrane clamp to rotate to the film storage rack 6 position, and the filter membrane clamp can be placed on the film storage rack 6. When it is necessary to weigh the filter membrane clamp on the film storage rack 6, start the first servo 101 to drive the servo shaft 102 to rotate, thereby driving a pair of support rods 108 and the pull rod 109 to swing, so as to open the door of the balance cover 1. Start the first handling component 3 again to carry the filter membrane clamp on the film storage rack 6 into the balance 2 in the balance cover 1 to weigh the filter membrane clamp. After weighing, open the lifting door 10, and the weighed filter membrane can be carried back to the membrane transfer rack 11 through the first handling component 3. Start the second handling component 12 again to carry the filter membrane clamp on the membrane transfer rack 11 to the feed barrel 8 for storage.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filter membrane clamp sampling and weighing mechanism, characterized in that: The invention comprises an operating room, a weighing component, a first transport component (3), a second transport component (12), a sampling component (7), a feed barrel (8) and a supply barrel (9); the operating room is divided into a constant temperature room (5) and a sampling room by a lifting door (10); the first transport component (3) and a balance (2) are both arranged in the constant temperature room (5); the second transport component (12), the sampling component (7), the feed barrel (8) and the supply barrel (9) are both arranged in the sampling room; a film storage rack (6) is arranged in the constant temperature room; a film transfer rack (11) is arranged in the sampling room; the film transfer rack (11), the balance (2) and the film storage rack (6) are all arranged on the rotation track of the first transport component (3); The weighing assembly comprises a balance (2), a balance frame (201) is installed on the balance (2), a balance cover seat (110) is arranged outside the balance (2), a balance cover (1) is installed on the balance cover seat (110), a balance cover (104) is installed on the top of the balance cover (1), and a balance cover door (103) is movably installed on the balance cover (1).

2. A filter membrane clamp sampling and weighing mechanism according to claim 1, characterized in that: A steering gear shaft (102) is rotatably mounted in the balance cover (1); a first steering gear (101) for driving the steering gear shaft (102) to rotate is mounted on the wall of the balance cover (1) via a steering gear bracket (107); a pair of support rods (108) are hinged on the steering gear shaft (102); a pair of pull rods (109) are hinged on the inner wall of the balance cover (1); and the other ends of the pair of support rods (108) and the pair of pull rods (109) are hinged to the balance cover door (103).

3. A filter membrane clamp sampling and weighing mechanism according to claim 1, characterized in that: The first transport component (3) comprises a material receiving claw (301), a pair of linear bearings (304) are movably mounted on a constant temperature chamber bottom plate (307), an electric push rod (305) and a balance bar (308) are arranged below the constant temperature chamber bottom plate (307), the telescopic end of the electric push rod (305) passes through one of the linear bearings (304) and is fixedly mounted with a steering gear fixing plate (306), the top of the balance bar (308) passes through the constant temperature chamber bottom plate (307) and is fixedly connected to the steering gear fixing plate (306), a second steering gear (303) is fixedly mounted at the bottom of the steering gear fixing plate (306), a steering gear reinforcing arm (302) is mounted at the driving end of the second steering gear (303), the material receiving claw (301) is mounted on the steering gear reinforcing arm (302), and a fixing plate (309) and a reinforcing rib (310) are arranged at the bottom of the constant temperature chamber bottom plate (307).

4. A filter membrane clamp sampling and weighing mechanism according to claim 1, characterized in that: The second transport component (12) comprises a mounting cover (123), a clamping jaw (130), the clamping jaw (130) being a pair, and a driving component for driving the mounting cover (123) to move, a motor (124) being fixedly mounted on the top of the mounting cover (123), a driving end of the motor (124) extending into the mounting cover (123) and being fixedly mounted with a cam (125), a slide rail (129) being arranged on the bottom plate of the mounting cover (123), a pair of sliders (128) being slidably mounted on the slide rail (129), a pair of sliding plates (126) being fixedly mounted on the pair of sliders (128), a pair of sliding plates (126) being fixedly connected to a pair of clamping jaws (130), a pair of sliding plates (126) being slidably connected to the cam (125), and a tension spring (127) being arranged between the pair of sliding plates (126).

5. A filter membrane clamp sampling and weighing mechanism according to claim 4, characterized in that: The driving assembly comprises an X-axis linear module (121) and a Y-axis linear module (122); the X-axis linear module (121) is mounted on the bottom plate of the sampling chamber; the Y-axis linear module (122) is slidably mounted on the X-axis linear module (121); and the mounting cover (123) is slidably mounted on the Y-axis linear module (122).

6. A filter membrane clamp sampling and weighing mechanism according to claim 1, characterized in that: A return air duct (4) is provided in the constant temperature room (5), and the return air duct (4) is externally connected to an air conditioning system.

7. A filter membrane clamp sampling and weighing mechanism according to claim 1, characterized in that: A sealing ring (106) is provided between the balance cover (104) and the balance cover (1), and between the balance cover seat (110) and the balance cover (1).

8. The filter membrane clamp sampling and weighing mechanism according to claim 1, characterized in that: A support plate (111) and a stiffening rib plate (105) are arranged in the balance cover seat (110).

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