CN117299247A - Synchronous sample adding device for parallel test of constant-temperature water bath kettle - Google Patents

Abstract

The invention relates to the technical field of water baths, and in particular to a constant temperature water bath parallel test synchronous sample addition device, which includes a frame and a movable plate. The bottom end of the frame is fixedly provided with a support plate, and the lower surface of the support plate is fixedly provided with a support. The outer wall of the movable plate is provided with an installation port, and a sampling box is movable in the installation port. The lower surface of the sampling box is connected with a sampling tube, and the sampling box and the movable plate are connected by a fixed The components are fixedly connected, the upper surface of the sample adding box is connected with a feeding tube, and the outer wall of one side of the sample adding box is provided with material guide openings distributed at equal distances. The invention effectively realizes that different water baths can be fed synchronously, and the feeding flow rate remains consistent, making the comparative experiment results more accurate. At the same time, the feeding rate can be flexibly controlled, the number of control groups in parallel experiments can also be flexibly controlled, and the use effect is better.

Description

A constant temperature water bath parallel test synchronous sample adding device

Technical field

The invention relates to the technical field of water baths, and in particular to a constant temperature water bath parallel test synchronous sample adding device.

Background technique

Water baths are mainly used in laboratories for distillation, drying, concentration, and temperature soaking of chemicals or biological products. They can also be used for constant temperature heating and other temperature tests. They are ideal for biology, genetics, viruses, aquatic products, environmental protection, medicine, health, and laboratories. An essential tool for analysis rooms, education and scientific research.

At present, in the process of synchronous parallel experiments using water baths, it is usually necessary to add the same sample to all control groups in the middle of the experiment. However, the current addition method is manual addition, and the addition time and addition rate cannot be effectively obtained. Control can easily cause large experimental errors. Therefore, it is urgent to design a constant-temperature water bath parallel test synchronous adding device to solve the above problems.

Contents of the invention

The purpose of the present invention is to propose a constant temperature water bath parallel test synchronous sample addition device to solve the defects existing in the prior art.

In order to achieve the above objects, the present invention adopts the following technical solutions:

A constant temperature water bath parallel test synchronous sample adding device includes a frame and a movable plate. The bottom end of the frame is fixed with a support plate, and the lower surface of the support plate is fixed with support legs. The outer wall of the movable plate is provided with There is an installation port, and a sampling box is movable in the installation port. The lower surface of the sampling box is connected with a sampling tube. The sampling box and the movable plate are fixedly connected through a fixed component. The sampling box is The upper surface is connected with a feeding cylinder. One side of the outer wall of the sampling box is provided with feeding openings distributed at equal distances. The outer wall of the sampling box is also provided with enclosures distributed at equal distances and corresponding to the feeding openings. Block, and the enclosure is located outside the material guide port, a piston block is movably provided in the sample adding box, and the upper surface of the piston block is inclined toward the material guide port, and it also includes:

A leveling mechanism, which is provided in the frame and used to adjust the movable plate to maintain level;

A blocking mechanism, which is arranged in the enclosure and used to block the material guide opening;

A position adjustment mechanism is provided on one side of the sample addition box and is used to adjust the rate of synchronous sample addition.

As a further solution of the present invention: the leveling mechanism includes a fixed frame fixedly installed in the frame, mounting holes are provided at four corners of the outer wall of the fixed frame, and a first cylinder is rotated in the mounting hole, Fixed holes are provided at the four corners of the outer wall of the movable plate, and a second cylinder is rotatably installed in the fixed hole. A telescopic component is rotatably connected to the lower surface of the first cylinder, and the telescopic end of the telescopic component and the second cylinder are rotatably connected. The upper surfaces of the cylinders are rotationally connected, and a detection unit is provided above the fixed frame for detecting the levelness of the movable plate.

As a further solution of the present invention: the detection unit includes a universal ball, a circular groove is provided on the upper surface of the frame, and the universal ball is rotated and installed in the circular groove, and a connecting rod is fixed on the outer wall of the universal ball. , and the end of the connecting rod is provided with a counterweight block, the top inner wall of the frame is also provided with a through hole connected to the circular groove, and the connecting rod penetrates the through hole, and the outer wall of the connecting rod is also provided with a horizontal board, and distance sensors are provided at the four corners of the lower surface of the horizontal board.

As a further solution of the present invention: the blocking mechanism includes a moving plate, a threaded hole is provided on one side of the outer wall of the enclosure, and a screw is threadedly connected in the threaded hole, and an adjusting wheel is provided at one end of the screw, and The other end of the screw is rotatably connected to the moving plate. A limiting cylinder is fixed on one side of the inner wall of the enclosure, and a limiting rod is movable in the limiting cylinder. The end of the limiting rod is in contact with the outer wall of the moving plate. Connection, the outer wall of the side of the moving plate away from the screw is fixed with a blocking block, and the blocking block matches the inner wall of the material guide port.

As a further solution of the present invention: the positioning mechanism includes a lifting plate provided on the outer wall of the bottom of the piston block, and the lifting plate has a U-shaped cross-section. A fixed plate is fixed on one side of the outer wall of the sampling box, and the lifting plate The plate penetrates the fixed plate, and the outer wall of the fixed plate is provided with a limiting hole, and a stud is threadedly connected in the limiting hole. The top of the stud is fixedly provided with a turntable, and the bottom end of the stud is connected to the lifting plate. rotating connection.

As a further solution of the present invention: the fixing assembly includes fixing plates arranged on the outer walls of both sides of the sampling box, studs are fixedly provided on the upper surface of the fixing plates, and the studs penetrate the movable plate, and the screws A nut is threadedly connected to the outside of the column, and the nut is located above the movable plate. A support rod and a rubber block are also provided on the upper surface of the side plate, and the top of the support rod is lower than the top of the rubber block.

As a further solution of the present invention: the telescopic member is connected to a switch through a wire, and the switch is electrically connected to a controller, and the controller is electrically connected to the distance sensor.

Compared with the prior art, the beneficial effects of the present invention are:

The invention provides a constant temperature water bath parallel test synchronous sample adding device. The frame can be erected above the water bath, and then the movable plate can be leveled through a leveling mechanism to ensure that the sample adding box is in a horizontal state. After leveling, The position of the water bath can be moved so that the different sample addition tubes are aligned with the feed port of the water bath used for parallel testing. Then the materials to be added for the parallel test can be added to the sample addition box through the feed barrel first. When the piston block in the sample adding box is in a state of blocking the material guide port, when it is necessary to add materials to different water baths uniformly, the position of the piston block can be adjusted through the adjustment mechanism so that the material guide port is exposed. At this time, the sample is added The materials in the box can be introduced into the enclosure through the material guide port, and then added to the water bath along the sample tube, effectively realizing the simultaneous addition of materials to different water baths, and because the sample box is in a horizontal state, it will enter different guides. The material flow rate at the material port remains consistent, making the comparison experiment results more accurate. The more the piston block moves downward, the greater the material flow rate, which allows the sampling rate to be flexibly controlled. At the same time, the blocking mechanism can also partially guide the material flow rate. The material port is blocked, so that the number of control groups in parallel experiments can also be flexibly controlled, and the use effect is better.

Description of drawings

Figure 1 is a schematic structural diagram of a parallel test synchronous sample addition device for a constant temperature water bath provided by an embodiment of the present invention;

Figure 2 is a schematic side view structural diagram of the sample adding box of a constant temperature water bath parallel test synchronous sample adding device provided by an embodiment of the present invention;

Figure 3 is an enlarged structural diagram of point A in Figure 2;

Figure 4 is a schematic structural view of the main view of the sampling box of a constant-temperature water bath parallel test synchronous sampling device provided by an embodiment of the present invention;

Figure 5 is a schematic side view structural diagram of the enclosure of a constant temperature water bath parallel test synchronous sample addition device provided by an embodiment of the present invention;

Figure 6 is a schematic diagram of the half-section structure of the sample adding box of a constant temperature water bath parallel test synchronous sample adding device provided by an embodiment of the present invention;

Figure 7 is an enlarged structural schematic diagram of B in Figure 6;

Figure 8 is a schematic structural diagram of the detection unit of a constant temperature water bath parallel test synchronous sample addition device provided by an embodiment of the present invention;

Figure 9 is another structural schematic diagram of a synchronous sample addition device for parallel testing of a constant temperature water bath provided by an embodiment of the present invention.

In the picture: 101-frame, 102-support plate, 103-support legs, 104-movable plate, 105-sample adding box, 106-feeding tube, 107-enclosure, 108-sampling pipe, 109-feed port , 110-piston block, 201-fixed frame, 202-first cylinder, 203-telescopic part, 204-second cylinder, 205-universal ball, 206-connecting rod, 207-horizontal plate, 208-distance sensor, 209 -Counterweight block, 301-screw, 302-adjusting wheel, 303-moving plate, 304-blocking block, 305-limiting rod, 306-limiting cylinder, 401-lifting plate, 402-fixed plate, 403-screw Column, 404-turntable, 501-side plate, 502-bolt, 503-nut, 504-rest rod, 505-rubber block.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

As shown in Figures 1 to 9, a constant temperature water bath parallel test synchronous sample addition device provided by one embodiment of the present invention includes a frame 101 and a movable plate 104. The bottom end of the frame 101 is fixedly provided with a support plate 102. And the lower surface of the support plate 102 is fixedly provided with support legs 103, the outer wall of the movable plate 104 is provided with an installation opening, and a sampling box 105 is movable in the installation opening, and the lower surface of the sampling box 105 is connected with a sampling pipe 108. The sample adding box 105 and the movable plate 104 are fixedly connected through fixed components. The upper surface of the sample adding box 105 is connected with a feeding cylinder 106. The outer wall of one side of the sample adding box 105 is provided with equidistantly distributed material guide openings 109. The outer wall of the sample adding box 105 is also provided with enclosures 107 distributed equidistantly and corresponding to the material guide port 109, and the enclosure 107 is located outside the material guide port 109. A piston block 110 is movably provided in the sample adding box 105, and The upper surface of the piston block 110 is inclined toward the direction of the material guide port 109, and also includes:

The leveling mechanism is provided in the frame 101 and is used to adjust the movable plate 104 to maintain the level;

A blocking mechanism is provided in the enclosure 107 and is used to block the material guide opening 109;

The position adjustment mechanism is provided on one side of the sample adding box 105 and is used to adjust the rate of synchronous sample addition.

The frame 101 can be erected above the water bath, and then the movable plate 104 can be leveled through a leveling mechanism to ensure that the sample adding box 105 is in a horizontal state. After leveling, the position of the water bath can be moved so that different sample adding tubes can be adjusted. 108 is aligned with the feeding port of the water bath used for the parallel test, and then the materials to be added for the parallel test can be added to the sample adding box 105 through the feeding cylinder 106. At this time, the piston block 110 in the sample adding box 105 When the material guide port 109 is blocked and materials need to be added to different water baths uniformly, the position of the piston block 110 can be adjusted through the position adjustment mechanism so that the material guide port 109 is exposed. At this time, the materials in the sample adding box 105 Then it can be introduced into the enclosure 107 through the guide port 109, and then added to the water bath along the sample tube 108, effectively realizing the simultaneous addition of materials to different water baths, and because the sample box 105 is in a horizontal state, it can enter different guides. The material flow rate of the material port 109 remains consistent, making the comparison experiment results more accurate, and the more the piston block 110 moves downward, the greater the material flow rate, which allows the sampling rate to be flexibly controlled. At the same time, the blocking mechanism can also be used to control the material flow rate. Part of the feed opening 109 is blocked, so that the number of control groups in the parallel test can also be flexibly controlled, and the use effect is better.

As an embodiment of the present invention, please refer to Figures 1, 2, 4, 5 and 8. The leveling mechanism includes a fixed frame 201 fixedly installed in the frame 101. The four corners of the outer wall of the fixed frame 201 There are mounting holes, and a first cylinder 202 is rotated in the mounting hole. Fixed holes are provided at the four corners of the outer wall of the movable plate 104, and a second cylinder 204 is rotated in the fixed holes. The first cylinder 202 is A telescopic member 203 is rotatably connected to the lower surface. The specific structure of the telescopic member 203 is not limited. In this embodiment, preferably, the telescopic member 203 uses a hydraulic cylinder, and the telescopic end of the telescopic member 203 and the upper surface of the second cylinder 204 are There is a detection unit above the fixed frame 201 for detecting the level of the movable plate 104. Since both the first cylinder 202 and the second cylinder 204 can flexibly rotate, they can be flexibly adjusted through the telescopic part 203. The distance between the first cylinder 202 and the second cylinder 204 can be adjusted to a horizontal state through the cooperation of multiple sets of telescopic members 203, which is very convenient to use.

As an embodiment of the present invention, please refer to Figures 1 and 8. The detection unit includes a universal ball 205. A circular groove is provided on the upper surface of the frame 101, and the universal ball 205 is rotated and disposed in the circular groove. The outer wall of 205 is fixed with a connecting rod 206, and the end of the connecting rod 206 is provided with a counterweight block 209. The top inner wall of the frame 101 is also provided with a through hole connected to the circular groove, and the connecting rod 206 passes through the through hole. The outer wall of 206 is also provided with a horizontal plate 207, and distance sensors 208 are provided at the four corners of the lower surface of the horizontal plate 207. Under the gravity of the counterweight block 209, the connecting rod 206 and the horizontal plane can be kept vertical. At this time The horizontal plate 207 outside the connecting rod 206 remains parallel to the horizontal plane. The distance between the bottom of the horizontal plate 207 and the movable plate 104 can be detected by the distance sensor 208. When the values detected by all the distance sensors 208 are the same, it indicates that this When the movable plate 104 is just in a horizontal state, it is very convenient to use.

As an embodiment of the present invention, please refer to Figures 6 and 7. The blocking mechanism includes a moving plate 303. A threaded hole is provided on one side of the outer wall of the enclosure 107, and a screw 301 is threadedly connected in the threaded hole. The screw 301 An adjusting wheel 302 is provided at one end, and the other end of the screw 301 is rotationally connected to the moving plate 303. A limit cylinder 306 is fixedly provided on one side of the inner wall of the enclosure 107, and a limit rod 305 is movable in the limit cylinder 306. The end of the position rod 305 is connected to the outer wall of the moving plate 303. A blocking block 304 is fixedly provided on the outer wall of the moving plate 303 away from the screw 301. The specific material of the blocking block 304 is not limited. In this embodiment, preferably Yes, the material of the blocking block 304 is rubber, and the blocking block 304 matches the inner wall of the material guide port 109. When it is necessary to block the material guide port 109, the adjusting wheel 302 can be turned to drive the screw 301 to rotate. Since the limit rod 305 Under the limiting action of Blocking, very convenient to use.

As an embodiment of the present invention, please refer to Figure 4. The positioning mechanism includes a lifting plate 401 provided on the outer wall of the bottom of the piston block 110, and the lifting plate 401 has a U-shaped cross-section. One side of the outer wall of the sampling box 105 is fixedly installed. There is a fixed plate 402, and the lifting plate 401 penetrates the fixed plate 402. A limit hole is provided in the outer wall of the fixed plate 402, and a stud 403 is threadedly connected in the limit hole. A turntable 404 is fixedly installed on the top of the stud 403, and the stud There is a rotational connection between the bottom end of 403 and the lifting plate 401. When the position of the piston block 110 needs to be adjusted, the turntable 404 can be used to drive the stud 403 to rotate. The stud 403 can drive the lifting plate 401 to move, and the lifting plate 401 can drive the piston. The blocks 110 move up and down together to effectively adjust the sample addition rate and achieve better use results.

As an embodiment of the present invention, please refer to Figure 3. The fixing assembly includes fixing plates 402 provided on the outer walls of both sides of the sampling box 105. The upper surface of the fixing plate 402 is fixedly provided with studs 403, and the studs 403 pass through the movable On the plate 104, a nut 503 is threadedly connected to the outside of the stud 403, and the nut 503 is located above the movable plate 104. The upper surface of the side plate 501 is also provided with a resisting rod 504 and a rubber block 505, and the top of the resisting rod 504 is low. On the top of the rubber block 505, when it is necessary to fix the sampling box 105 and the movable plate 104, the studs 403 on the fixed plate 402 can be penetrated through the movable plate 104, and then the nut 503 can be rotated to the outside of the stud 403 and Tighten it so that the rubber block 505 is compressed until the top of the resisting rod 504 resists the lower surface of the movable plate 104. At this time, not only the sample adding box 105 and the movable plate 104 can be locked and fixed, but also the sample adding box can be 105 and the movable plate 104 are kept parallel, and the use effect is better. By turning the nut 503 in the opposite direction, the movable plate 104 in the sample adding box 105 can be removed, which facilitates cleaning of the sample adding box 105.

As an embodiment of the present invention, please refer to Figure 2. The telescopic member 203 is connected to a switch through a wire, and the switch is electrically connected to a controller. The controller and the distance sensor 208 are electrically connected. The specific structure of the controller does not matter. To be limited, in this embodiment, preferably, the controller adopts a microprogrammed controller.

When in use, the frame 101 can be set up above the water bath, and then the movable plate 104 can be leveled through a leveling mechanism to ensure that the sample box 105 is in a horizontal state. After leveling, the position of the water bath can be moved to make different The sample adding tube 108 is aligned with the feeding port of the water bath used for the parallel test, and then the materials that need to be added for the parallel test can be added into the sample adding box 105 through the feeding tube 106. At this time, the material in the sample adding box 105 The piston block 110 is in a state of blocking the material guide port 109. When it is necessary to add materials to different water baths uniformly, the position of the piston block 110 can be adjusted through the position adjustment mechanism so that the material guide port 109 is exposed. At this time, the sample adding box 105 The materials in can be introduced into the enclosure 107 through the material guide port 109, and then added to the water bath along the sampling pipe 108, effectively realizing the simultaneous feeding of different water baths, and since the sampling box 105 is in a horizontal state, then The material flow rate entering different material guide ports 109 remains consistent, making the comparison experiment results more accurate, and the more the piston block 110 moves downward, the greater the material flow rate, which allows the sampling rate to be flexibly controlled. At the same time, through the blocking mechanism Part of the feed opening 109 can also be blocked, so that the number of control groups in the parallel test can also be flexibly controlled and the use effect is better.

It should be noted that although this specification is described in terms of implementations, not each implementation only contains an independent technical solution. This description of the description is only for the sake of clarity. Those skilled in the art should regard the description as an Overall, the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. The utility model provides a synchronous sample loading device of thermostat water bath parallel test, includes frame and fly leaf, its characterized in that, the bottom mounting of frame is provided with the backup pad, and the lower fixed surface of backup pad is provided with the supporting leg, the installing port has been seted up to the outer wall of fly leaf, and the activity is provided with the sample box that adds in the installing port, the lower surface intercommunication of sample box is provided with the sample pipe, add through fixed subassembly fixed connection between sample box and the fly leaf, the upper surface intercommunication of sample box is provided with the feed cylinder that adds, the guide mouth that the equidistance was distributed has been seted up to one side outer wall of sample box, the outer wall of sample box still is provided with equidistance distribution and the corresponding fender that encloses with the guide mouth, and encloses the fender and lie in the outside of guide mouth, the activity is provided with the piston piece in the sample box, and the upper surface of piston piece inclines towards the guide mouth direction, still includes:

the leveling mechanism is arranged in the frame and used for adjusting the movable plate to keep horizontal;

the blocking mechanism is arranged in the enclosing shield and used for blocking the material guide opening;

the positioning mechanism is arranged on one side of the sample adding box and used for adjusting the synchronous sample adding speed.

2. The synchronous sample feeding device for the parallel test of the constant temperature water bath kettle according to claim 1, wherein the leveling mechanism comprises a fixed frame fixedly arranged in a frame, mounting holes are formed in four corners of the outer wall of the fixed frame, a first cylinder is rotationally arranged in the mounting holes, fixing holes are formed in four corners of the outer wall of the movable plate, a second cylinder is rotationally arranged in the fixing holes, a telescopic piece is rotationally connected to the lower surface of the first cylinder, a telescopic end of the telescopic piece is rotationally connected with the upper surface of the second cylinder, and a detection unit is further arranged above the fixed frame and used for detecting levelness of the movable plate.

3. The synchronous sample adding device for the parallel test of the constant-temperature water bath kettle according to claim 2, wherein the detection unit comprises a universal ball, a round groove is formed in the upper surface of the frame, the universal ball is rotatably arranged in the round groove, a connecting rod is fixedly arranged on the outer wall of the universal ball, a balancing weight is arranged at the end part of the connecting rod, a through hole communicated with the round groove is further formed in the inner wall of the top of the frame, the connecting rod penetrates through the through hole, a horizontal plate is further arranged on the outer wall of the connecting rod, and distance sensors are arranged at four corners of the lower surface of the horizontal plate.

4. The synchronous sample feeding device for the parallel test of the constant temperature water bath kettle according to claim 1, wherein the plugging mechanism comprises a movable plate, a threaded hole is formed in the outer wall of one side of the enclosure, a screw is connected with the threaded hole in the threaded hole, an adjusting wheel is arranged at one end of the screw, the other end of the screw is connected with the movable plate in a rotating mode, a limiting cylinder is fixedly arranged on the inner wall of one side of the enclosure, a limiting rod is movably arranged in the limiting cylinder, the end portion of the limiting rod is connected with the outer wall of the movable plate, a plugging block is fixedly arranged on the outer wall of one side, far away from the screw, of the movable plate, and the plugging block is matched with the inner wall of the material guide opening.

5. The synchronous sample feeding device for the parallel test of the constant temperature water bath kettle according to claim 1, wherein the positioning mechanism comprises a lifting plate arranged on the outer wall of the bottom of the piston block, the section of the lifting plate is U-shaped, a fixing plate is fixedly arranged on the outer wall of one side of the sample feeding box, the lifting plate penetrates through the fixing plate, a limiting hole is formed in the outer wall of the fixing plate, a stud is connected in the limiting hole in a threaded manner, a turntable is fixedly arranged at the top end of the stud, and the bottom end of the stud is rotationally connected with the lifting plate.

6. The synchronous sample adding device for the parallel test of the constant-temperature water bath kettle according to claim 1, wherein the fixing assembly comprises a fixing plate arranged on the outer walls of two sides of the sample adding box, a stud is fixedly arranged on the upper surface of the fixing plate and penetrates through the movable plate, a nut is connected to the outer side of the stud in a threaded manner and is positioned above the movable plate, a supporting rod and a rubber block are further arranged on the upper surface of the side plate, and the top end of the supporting rod is lower than the top end of the rubber block.

7. The synchronous sample adding device for parallel test of constant temperature water bath according to claim 3, wherein the telescopic piece is connected with a switch through a wire, the switch is electrically connected with a controller, and the controller is electrically connected with the distance sensor.