Automatic sampling device for edible oil production

Abstract

The invention relates to the technical field of sampling devices, and particularly discloses an edible oil production automatic sampling device which comprises a shell, a flow guide pipe, a sampling pipe and an adjusting mechanism, a connecting part is arranged at the end of the inner side of the flow guide pipe, the sampling pipe is in sliding fit with the connecting part, and the adjusting mechanism comprises a connecting piece, a movable piece, a driving assembly and a guide assembly; the flow guide pipe is sleeved with the movable part, a spiral groove is formed in the outer side of the flow guide pipe, the movable part is in sliding fit with the spiral groove, the inner end of the movable part is rotationally connected with a cover body, the movable part is sleeved with the connecting part, the movable part is in sliding fit with the connecting part, the outer end of the movable part is connected with a limiting part, and the driving assembly drives the movable part to slide. The guiding assembly comprises a guiding piece and a guiding groove, the guiding groove is formed in the connecting piece in a volute shape, the guiding piece is in sliding fit with the guiding groove, a plugging assembly is further arranged at the inner end of the sampling pipe, and the sampling device provided by the invention is convenient for sampling oil liquid at different positions in the conveying pipeline.

Description

Technical Field

[0001] The invention relates to the technical field of sampling devices, and in particular to an automatic sampling device for edible oil production. Background Art

[0002] In the production process of edible oil, in order to evaluate its quality and safety and ensure that it meets food safety standards, it is necessary to sample and test the edible oil. To ensure the reliability of the evaluation results, it is necessary to sample the oil at different locations. Obtaining the oil at different locations through manual operation has the problems of low efficiency and unsatisfactory sampling position accuracy.

[0003] The patent document with the authorization announcement number CN113820182B discloses an oil stratification sampling device for an automated edible oil production line, comprising a vertical support, a first support plate, a placement power assembly, a sampling action assembly and a sampler, etc. The upper ends of the four vertical supports are fixedly connected with the first support plate, the placement power assembly is arranged on the upper part of the vertical support, and the sampling action assembly is arranged on the lower side of the first support plate and connected to the placement power assembly; the stratified sampling device of the patent document achieves the stratified sampling effect of eliminating manual direct sampling operation and avoiding the extraction of mixed oil at the same height position of different containers. By designing the sampler, the placement power assembly, the sampling action assembly, the attached oil removal device and the sampler placement device, the probe is used to realize the simultaneous and equal sampling of edible oil of different layers and prevent the sampling of mixed oil of different layers. The placement power assembly and the sampling action assembly cooperate with the sampler placement device to realize the automatic replacement of the sampler after sampling. When the sampler moves up and down, the attached oil removal device removes the attached oil on the sampling tube, which is convenient for subsequent manual analysis of samples.

[0004] In the production process, after the edible oil is squeezed, it needs to go through a series of refining processes such as degumming, deacidification, decolorization, and deodorization. After completing one processing step, the edible oil needs to be transported to the next processing step through a delivery pipeline. In order to evaluate the stability of the production process and identify potential improvement space, such as temperature control and flow rate regulation, it is necessary to sample and analyze the oil in the delivery pipeline to monitor the quality parameters of the oil in real time to ensure that the product meets the prescribed quality standards. The physical and chemical indicators of the oil at different distances from the inner wall of the pipeline may also be different. Therefore, when sampling the oil in the delivery pipeline, in order to ensure the reliability of the final evaluation results, it is also necessary to sample at different positions in the pipeline. The stratified sampling device provided in the above patent document can perform stratified sampling of the oil in the container, but it cannot be applied to the stratified sampling operation of the oil in the delivery pipeline. Summary of the invention

[0005] The invention provides an automatic sampling device for edible oil production, aiming to solve the problem that the sampling device in the related art cannot perform stratified sampling of the oil in the conveying pipeline.

[0006] The automatic sampling device for edible oil production of the present invention comprises a housing, one end of the housing is used for detachable connection with a sampling point, the side facing the sampling point is the inner side, the sampling device also comprises a guide tube, a sampling tube and an adjustment mechanism, the inner end of the guide tube is provided with a connecting part, the sampling tube is slidably matched with the connecting part, and the adjustment mechanism comprises a connecting part, a movable part, a driving assembly and a guide assembly; The movable member is sleeved on the outside of the guide tube, a spiral groove is provided on the outside of the guide tube, the movable member and the spiral groove are slidably matched, the inner end of the movable member is rotatably connected with a cover body, the cover body blocks the gap between the movable member and the guide tube, the connecting member is sleeved on the outside of the movable member, the movable member and the connecting member are slidably matched and elastically connected, the driving assembly drives the movable member to slide relative to the connecting member, the outer end of the movable member is also connected to a limiting portion, the limiting portion is used to limit the relative sliding range of the movable member and the connecting member; The guide assembly includes a guide member and a guide groove, the guide groove is arranged in a spiral shape on the connecting member, the guide member is slidably matched with the guide groove, the guide member is fixed relative to the sampling tube, and the inner end of the sampling tube is also provided with a blocking assembly for movably blocking the sampling tube.

[0007] The beneficial effects are: it is convenient to sample the oil in the conveying pipeline, and at the same time improves the reliability of the sample detection results in the conveying pipeline. After the shell is connected to the sampling point, the sampling tube is extended into the conveying pipeline, and the adjusting mechanism adjusts the position of the sampling tube. After the sampling tube moves to the specified position, the blocking component is opened, and the blocking component continues to block the sampling tube after the oil enters the sampling tube. Then the adjusting mechanism adjusts the sampling tube to slide along the connecting part to be connected with the guide tube, and the sample in the sampling tube flows out through the guide tube. The staff collects the outflowing sample, which improves the flexibility of sampling the oil at different positions in the conveying pipeline, and facilitates the comprehensive evaluation of the oil in the conveying process according to the detection results of the sample.

[0008] Preferably, the blocking assembly includes a blocking head and a blocking block, the blocking head is fixed relative to the inner end of the sampling tube, the blocking block is slidably matched with the inner wall of the sampling tube at the inner end of the sampling tube and is elastically connected, and the blocking block is movably abutted against the blocking head.

[0009] Preferably, the driving assembly includes an air intake member and an air intake channel, the air intake channel is arranged inside the connecting member, the air intake channel is connected to the front end of the movable member, the air intake member is connected to the air intake channel, the inner end of the movable member is connected to a connecting pipe, the connecting pipe is connected to the guide member, the guide member is connected to the sampling tube through the guide tube, the connecting pipe is connected to the guide tube, the guide tube is movably connected to the sampling tube and is used to push the blocking block to slide.

[0010] Preferably, an annular active cavity is formed between the blocking block and the inner wall of the sampling tube, an air inlet is provided at the inner end of the sampling tube, the guide tube is connected to the air inlet, the air inlet is movably docked with the active cavity, the blocking block is connected to the sampling tube via an elastic member, and the elastic member is provided in the active cavity.

[0011] The beneficial effect is: preventing the sample in the sampling tube from communicating with the oil in the non-sampling position in the conveying pipeline during the operation of resetting the sampling tube. The oil in the conveying pipeline is in a flowing state. The sealing component can seal the sampling tube in time after the sampling operation is completed to prevent the oil in the non-sampling position of the conveying pipeline from entering the sampling tube, thereby ensuring the sampling accuracy.

[0012] Preferably, the sampling tube is provided with a second air inlet, the sealing block is provided with an annular air inlet cavity, the outer end of the sealing block is also provided with a plurality of air outlets connected with the air inlet cavity, the second air inlet is movably connected with the air inlet cavity, the sealing block is fixed with a lever, and the connecting part is provided with a gear lever, when the sampling tube is connected with the guide tube, the lever abuts against the gear lever, and the second air inlet is connected with the air inlet cavity, the connecting tube is also connected with an air inlet pipe, and the air inlet pipe is connected with the second air inlet.

[0013] The beneficial effects are: promoting the full outflow and collection of samples in the sampling tube, so that there are sufficient samples for detection during the detection process, and at the same time reducing the residual samples in the sampling tube and the guide tube. After the sample in the sampling tube flows out, the air inlet part continues to introduce gas into the movable part. After the movable part moves to the point where the connecting tube and the sealing part are misaligned, the gas in the movable part enters the air inlet pipe through the connecting tube, and further enters the air inlet cavity, and is ejected through each air outlet. The residual oil in the sampling tube and the guide tube continues to flow out under the action of the airflow.

[0014] Preferably, the diameter of the plugging head decreases from the inside to the outside, and the outer end of the plugging block is an arc-shaped surface matching the plugging head.

[0015] The beneficial effect is: ensuring the sealing effect of the sealing component on the inner end of the sampling tube.

[0016] Preferably, a blocking rod is also fixed on the connecting portion, the blocking rod passes through the cover body and is slidably matched with the cover body, a blocking portion is fixed to the outer end of the blocking rod, and the blocking portion is movably abutted against the air inlet end of the connecting pipe.

[0017] Preferably, the limiting portion is in a rod shape, the limiting portion extends to the outside of the shell, and a plurality of limiting holes are provided on the limiting portion, and the limiting holes are plugged and matched with the limiting rod.

[0018] The beneficial effects are: improving the accuracy of adjusting the sampling position of the sampling tube, after the limit rod is inserted into the corresponding limit hole, the movable part moves to the point where the limit rod abuts against the shell, and the movement of the movable part can be blocked, so that the sampling tube stops after moving to the specified position, and sampling is performed at the target position, which is convenient for the staff to confirm the sampling position of the sampling tube.

[0019] Preferably, an observation window is further provided at the outer end of the shell, and the observation window is opposite to the outer end of the guide tube.

[0020] The beneficial effects of the present invention are: (1) It is convenient to sample the oil in the conveying pipeline and improve the reliability of the sample detection results in the conveying pipeline. After the shell is connected to the sampling point, the sampling tube is extended into the conveying pipeline, and the adjustment mechanism adjusts the position of the sampling tube. After the sampling tube moves to the specified position, the plugging assembly is opened. After the oil enters the sampling tube, the plugging assembly continues to block the sampling tube. Then the adjustment mechanism adjusts the sampling tube to slide along the connecting part until it is connected with the guide tube. The sample in the sampling tube flows out through the guide tube, and the staff collects the outflowing sample, which improves the flexibility of sampling the oil at different positions in the conveying pipeline and facilitates the comprehensive evaluation of the oil in the conveying process according to the detection results of the sample.

[0021] (2) Promote the full outflow and collection of samples in the sampling tube, so that there are sufficient samples for detection during the detection process, and at the same time reduce the residual samples in the sampling tube and the guide tube. After the sample in the sampling tube flows out, the air inlet part continues to introduce gas into the movable part. After the movable part moves to the misalignment between the connecting tube and the sealing part, the gas in the movable part enters the air inlet pipe through the connecting tube, and further enters the air inlet cavity, and is ejected through each air outlet. The residual oil in the sampling tube and the guide tube continues to flow out under the action of the airflow. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 It is a schematic diagram of the structure inside the shell.

[0024] Figure 3 It is a schematic diagram of the connection structure of the guide tube, the sampling tube and the plugging assembly in the present invention.

[0025] Figure 4 yes Figure 3 Enlarged view of part A.

[0026] Figure 5 It is a structural schematic diagram of the blocking block in the present invention.

[0027] Figure 6 It is a structural schematic diagram of the connecting piece in the present invention.

[0028] Reference numerals: 1. Shell; 11. Observation window; 2. Connecting piece; 21. Guide groove; 22. Air inlet passage; 3. Movable piece; 31. Limiting part; 311. Limiting hole; 312. Limiting rod; 32. Cover; 4. Flow guide tube; 41. Connecting part; 411. Gear lever; 42. Spiral groove; 5. Sampling tube; 51. Sealing head; 52. Sealing block; 521. Air inlet 1; 522. Air inlet 2; 523. Air inlet cavity; 524. Air outlet; 525. Shielding piece; 53. Push rod; 6. Guide piece; 61. Connecting tube; 62. Guide tube; 63. Air inlet pipe. DETAILED DESCRIPTION

[0029] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0030] like Figure 1 and Figure 2 As shown, the automatic sampling device for edible oil production of the present invention comprises a shell 1, a flow guide tube 4, a sampling tube 5 and an adjusting mechanism. The shell 1 is cylindrical, and one end of the shell 1 is closed. A sampling point is provided on the delivery pipeline. The open end of the shell 1 is detachably connected to the sampling point on the delivery pipeline. The connection methods of the shell 1 and the sampling point include but are not limited to threaded connection and clamping. Before the delivery pipeline is passed with oil, the staff installs the sampling device at the sampling point and makes the open end of the shell 1 sealed and connected to the sampling point. For the convenience of description, the side facing the sampling point is the inner side, the outer end of the sampling tube 5 is slidably matched with the inner end of the flow guide tube 4, and the inner end of the sampling tube 5 is provided with a blocking component. The adjusting mechanism is used to adjust the relative position of the sampling tube 5 and the flow guide tube 4. After the shell 1 is connected to the sampling point, the sampling tube 5 extends into the interior of the delivery pipeline. The adjusting mechanism changes the position of the sampling tube 5 in the delivery pipeline by adjusting the position of the sampling tube 5, so as to realize the operation of sampling oil at different positions in the delivery pipeline.

[0031] The guide tube 4 is coaxially arranged with the shell 1, and the outer end of the guide tube 4 is rotatably matched with the closed end of the shell 1. The inner end of the guide tube 4 is provided with a connecting portion 41, and the outer end of the sampling tube 5 is slidably matched with the connecting portion 41. The adjusting mechanism adjusts the position of the sampling tube 5. After the sampling tube 5 moves to the specified position, the blocking assembly is opened. After the oil enters the sampling tube 5, the blocking assembly continues to block the sampling tube 5. Then the adjusting mechanism drives the sampling tube 5 to slide along the connecting portion 41 until it is connected with the guide tube 4. The sample in the sampling tube 5 flows out through the guide tube 4, and the staff collects the sample flowing out of the guide tube 4.

[0032] The adjustment mechanism includes a connecting member 2, a movable member 3, a driving assembly and a guide assembly. The connecting member 2 is arranged in the housing 1 and fixed relative to the housing 1. The movable member 3 is cylindrical. The movable member 3 is sleeved on the outside of the guide tube 4. The connecting member 2 is sleeved on the outside of the movable member 3. The movable member 3 can slide relative to the connecting member 2. The movable member 3 is also connected to the connecting member 2 through a spring. The spring is sleeved on the outside of the guide tube 4. One end of the spring is fixed to the connecting member 2, and the other end of the spring is fixed relative to the movable member 3. An annular The baffle is fixed to the baffle, the outer wall of the guide tube 4 is provided with a spiral groove 42, and the movable member 3 is provided with a slider that slides with the spiral groove 42. When the movable member 3 slides inward, the guide tube 4 is driven to rotate under the cooperation of the slider and the spiral groove 42, and the spring is stretched to store the spring force. The driving component is used to push the movable member 3 to slide relative to the connecting member 2. The guide component includes a guide member 6 and a guide groove 21. The guide groove 21 is vortex-shaped. The guide groove 21 is arranged on the connecting member 2. The structure of the guide groove 21 and the connecting member 2 is as follows: Figure 6 As shown, one end of the guide member 6 is slidably matched with the guide groove 21, and the other end of the guide member 6 is fixed relative to the sampling tube 5. When the movable member 3 drives the guide tube 4 to rotate, the sampling tube 5 is driven to rotate through the connecting portion 41, and the guide member 6 is further driven to slide along the guide groove 21. During the sliding process of the guide member 6 along the guide groove 21, the sampling tube 5 is driven to slide relative to the connecting portion 41, so as to adjust the sampling position of the sampling tube 5.

[0033] In order to further improve the accuracy of adjusting the sampling position of the sampling tube 5 and to facilitate the staff to confirm the sampling position of the sampling tube 5, the movable part 3 is also connected to a limiting portion 31. The limiting portion 31 is rod-shaped and extends to the outside of the shell 1. The limiting portion 31 is provided with a plurality of limiting holes 311 at intervals in the length direction. The limiting rod 312 can be movably inserted into the limiting hole 311. After the limiting rod 312 is inserted into the corresponding limiting hole 311, the movable part 3 moves until the limiting rod 312 abuts against the shell 1 to block the movement of the movable part 3, so that the sampling tube 5 stops after moving to the specified position and sampling is performed at the target position.

[0034] In order to facilitate observation of the rotation angle of the guide tube 4 relative to the shell 1, an observation window 11 is also provided at the outer end of the shell 1. The observation window 11 is opposite to the outer end of the guide tube 4. For easy observation, a scale can be marked at the position where the guide tube 4 and the observation window 11 are relative to each other, so that the operator can confirm the rotation angle of the guide tube 4.

[0035] The driving assembly includes an air intake member and an air intake channel 22. The air intake channel 22 is arranged in the connecting member 2. The air intake channel 22 includes an annular channel and a plurality of straight channels. The annular channel is arranged on the outer ring of the connecting member 2. An air intake hole is arranged at the outer end of the side wall of the shell 1. The air intake hole is connected to the annular channel. The air intake member introduces gas into the annular channel through the air intake hole or extracts gas through the air inlet. The air intake member includes but is not limited to a micro vacuum pump or a small compressor. Each straight channel coincides with the radial direction of the connecting member 2. One side of each straight channel is connected to the annular channel. The other end of each straight channel is connected to the movable The inner side of the movable part 3 is connected, and the rear end of the movable part 3 is rotatably connected with a cover body 32. The cover body 32 is used to seal the gap between the inner end of the movable part 3 and the guide tube 4. After the air inlet part introduces gas into the gap between the movable part 3 and the guide tube 4 through the air inlet channel 22, the pressure in the gap between the movable part 3 and the guide tube 4 gradually increases. The movable part 3 slides relative to the guide tube 4 under the action of the gas pressure. The guide tube 4 rotates under the action of the spiral groove 42 and the slider. The sampling tube 5 slides along the connecting part 41 under the action of the guide assembly and stops moving after the limit rod 312 abuts against the shell 1.

[0036] like Figures 3 to 5 As shown, the inner end of the movable part 3 is connected to a connecting tube 61, and a blocking rod is also fixed on the connecting part 41. The blocking rod penetrates the cover body 32 and slides with the cover body 32. A blocking part is fixed to the outer end of the blocking rod. The blocking part is movably abutted against the air inlet end of the connecting tube 61. The connecting tube 61 is connected to the guide member 6, and the guide member 6 is connected to the sampling tube 5 through the guide tube 62. The connecting tube 61 is connected to the guide tube 62. The blocking assembly includes a blocking head 51 and a blocking block 52. The blocking head 51 is connected to the sampling tube 5 The inner end of the tube 5 is fixed, and a gap is left between the sealing head 51 and the inner end of the sampling tube 5. The sealing head 51 does not affect the connection between the sampling tube 5 and the outside. The sealing block 52 slides with the inner wall of the sampling tube 5 at the inner end of the sampling tube 5. The sealing block 52 is elastically connected to the sampling tube 5. When the sealing block 52 abuts against the sealing head 51, the inner end of the sampling tube 5 is sealed. When the sealing block 52 and the sealing head 51 are relatively separated, oil can enter the sampling tube 5 through the gap between the sealing block 52 and the sealing head 51.

[0037] The blocking block 52 is cylindrical, and the inner end of the sampling tube 5 is provided with an annular edge. The inner wall of the blocking block 52 abuts against the edge of the sampling tube 5, and the outer end diameter of the blocking block 52 increases and fits with the inner wall of the sampling tube 5. An annular movable cavity is formed between the blocking block 52 and the inner wall of the sampling tube 5. An elastic member is provided in the movable cavity. The blocking block 52 fits with the blocking head 51 under the elastic force of the elastic member. An air inlet 521 is provided on the sampling tube 5, and the air inlet 521 is movably connected to the inside of the movable cavity. The guide tube 62 is connected to the air inlet 521. When the movable member 3 slides relative to the guide tube 4, it will also drive the blocking part of the blocking rod to separate from the air inlet end of the connecting tube 61. The interior of the movable part 3 is connected with the connecting tube 61 and the guide tube 62. After the movable part 3 moves into place, the gas continuously introduced into the movable part 3 enters the movable cavity between the blocking block 52 and the sampling tube 5 through the connecting tube 61 and the guide tube 62. The gas pressure in the movable cavity gradually increases. Under the action of the gas pressure, the blocking block 52 overcomes the elastic force of the elastic member and moves away from the blocking block 52, so that the inner end of the sampling tube 5 is connected with the outside, and the oil smoothly enters the sampling tube 5. Then, the air inlet part is started to draw air to relieve the pressure in the movable cavity. Under the action of the elastic member, the blocking block 52 is reset and abuts against the blocking head 51 again, and the obtained test sample is temporarily stored in the sampling tube 5.

[0038] Because the oil in the conveying pipeline is in a flowing state, in order to ensure the sampling accuracy, the sampling tube 5 needs to be sealed in time after the sampling is completed, so as to prevent the sample in the sampling tube 5 from communicating with the oil in the non-sampling position in the conveying pipeline during the operation of resetting the sampling tube 5. As the air pressure in the movable part 3 is restored, the movable part 3 is gradually reset under the action of the spring, and drives the sampling tube 5 to rotate in the opposite direction. Under the action of the guide assembly, the sampling tube 5 slides in the opposite direction relative to the connecting part 41 and resets. After the sampling tube 5 is connected with the guide tube 62, the sample sealed in the sampling tube 5 enters the guide tube 4, and then the staff collects the sample flowing out of the guide tube 4.

[0039] To ensure the sealing effect of the sealing assembly on the inner end of the sampling tube 5 , the fitting area between the sealing head 51 and the sealing block 52 is increased, the diameter of the sealing head 51 decreases from the inside to the outside, and the outer end of the sealing block 52 presents an arc surface matching the sealing head 51 .

[0040] To ensure that the sampling tube 5 moves to the sampling point in a sealed state, the coefficient of the elastic member arranged in the sampling tube 5 is greater than the coefficient of the spring in the movable member 3. The gas filled into the air inlet first pushes the movable member 3 to slide. After the sliding of the movable member 3 stops, sufficient gas is continuously filled in to overcome the elastic force of the elastic member in the sampling tube 5 and open the sampling tube 5.

[0041] In order to ensure that the sample in the sampling tube 5 can be fully flowed out and collected, so that there is a sufficient amount of sample for detection during the detection process, and to reduce the sample residue in the sampling tube 5 and the guide tube 4, the sampling tube 5 is provided with an air inlet 2 522, and the portion of the rear end of the blocking block 52 abutting against the inner wall of the sampling tube 5 is provided with an annular air inlet cavity 523, the air inlet 2 522 is movably connected with the air inlet cavity 523, the blocking block 52 is fixed with a lever 53, and a gear lever 411 is provided on the connecting portion 41. When the sampling tube 5 is connected with the guide tube 4, the lever 53 abuts against the gear lever 411, and drives the blocking block 52 to rotate relative to the sampling tube 5, until the air inlet 2 522 is connected with the air inlet cavity 523 on the blocking block 52, the blocking block 52 is also provided with a shielding piece 525, and when the blocking block 52 rotates, the shielding piece 525 simultaneously blocks the air inlet 1 521, and the connecting tube 61 is also connected with the air inlet pipe 63. The air inlet pipe 63 is connected with the second air inlet 522. After the sample in the sampling tube 5 flows out, the air inlet part continues to introduce gas into the movable part 3. After the movable part 3 moves to the point where the connecting tube 61 is misaligned with the blocking part, the gas in the movable part 3 enters the air inlet pipe 63 through the connecting tube 61 and further enters the air inlet cavity 523. A plurality of air outlets 524 are arranged around the outer end of the blocking block 52. Each air outlet 524 is connected with the air inlet cavity 523. The gas in the air inlet cavity 523 is ejected through each air outlet 524. The residual oil in the sampling tube 5 and the guide tube 4 continues to flow out under the action of the airflow, thereby reducing the residual oil in the sampling tube 5 and the guide tube 4. After the lever 53 is separated from the shift lever 411, the lever 53 is reset under the elastic force of the elastic part. The second air inlet 522 is misaligned with the air inlet pipe 63, and the first air inlet 521 is connected with the guide tube 62 again.

[0042] The automatic sampling device for edible oil production provided by the present invention can be used to sample oil at different positions in a delivery pipeline, thereby improving the reliability of the quality assessment results of the oil in the delivery pipeline.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0044] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0045] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. An automatic sampling device for edible oil production, comprising a housing (1), one end of the housing (1) being used for detachable connection with a sampling point, with the side facing the sampling point being the inner side, characterized in that: The sampling device further comprises a flow guide tube (4), a sampling tube (5) and an adjustment mechanism, wherein the inner end of the flow guide tube (4) is provided with a connecting portion (41), the sampling tube (5) and the connecting portion (41) are slidably matched, and the adjustment mechanism comprises a connecting member (2), a movable member (3), a driving assembly and a guide assembly; The movable member (3) is sleeved on the outside of the guide tube (4), the outside of the guide tube (4) is provided with a spiral groove (42), the movable member (3) and the spiral groove (42) are slidably matched, the inner end of the movable member (3) is rotatably connected to a cover body (32), the cover body (32) blocks the gap between the movable member (3) and the guide tube (4), the connecting member (2) is sleeved on the outside of the movable member (3), the movable member (3) and the connecting member (2) are slidably matched and elastically connected, the driving component drives the movable member (3) to slide relative to the connecting member (2), the outer end of the movable member (3) is also connected to a limiting portion (31), the limiting portion (31) is used to limit the relative sliding range of the movable member (3) and the connecting member (2); The guide assembly comprises a guide member (6) and a guide groove (21); the guide groove (21) is arranged in a spiral shape on the connecting member (2); the guide member (6) and the guide groove (21) are slidably matched; the guide member (6) is fixed relative to the sampling tube (5); and a blocking assembly for movably blocking the sampling tube (5) is also provided at the inner end of the sampling tube (5).

2. The automatic sampling device for edible oil production according to claim 1, characterized in that: The plugging assembly comprises a plugging head (51) and a plugging block (52); the plugging head (51) is fixed relative to the inner end of the sampling tube (5); the plugging block (52) is slidably matched with the inner wall of the sampling tube (5) at the inner end of the sampling tube (5) and elastically connected; the plugging block (52) is movably abutted against the plugging head (51).

3. The automatic sampling device for edible oil production according to claim 2, characterized in that: The driving assembly comprises an air intake member and an air intake passage (22), the air intake passage (22) being arranged inside the connecting member (2), the air intake passage (22) being communicated with the front end of the movable member (3), the air intake member being connected to the air intake passage (22), the inner end of the movable member (3) being connected to a connecting pipe (61), the connecting pipe (61) being connected to the guide member (6), the guide member (6) being connected to the sampling tube (5) via the guide tube (62), the connecting pipe (61) being communicated with the guide tube (62), the guide tube (62) being movably communicated with the sampling tube (5) and being used to push the blocking block (52) to slide.

4. The automatic sampling device for edible oil production according to claim 3, characterized in that: An annular movable cavity is formed between the blocking block (52) and the inner wall of the sampling tube (5); an air inlet port 1 (521) is provided at the inner end of the sampling tube (5); the guide tube (62) is in communication with the air inlet port 1 (521); the air inlet port 1 (521) is movably connected to the movable cavity; the blocking block (52) and the sampling tube (5) are connected via an elastic member, and the elastic member is provided in the movable cavity.

5. The automatic sampling device for edible oil production according to claim 3, characterized in that: The sampling tube (5) is provided with a second air inlet (522), the blocking block (52) is provided with an annular air inlet cavity (523), the outer end of the blocking block (52) is also provided with a plurality of air outlets (524) in communication with the air inlet cavity (523), the second air inlet (522) is movably connected with the air inlet cavity (523), the blocking block (52) is fixed with a lever (53), the connecting portion (41) is provided with a shift lever (411), when the sampling tube (5) is connected with the guide tube (4), the lever (53) abuts against the shift lever (411), and the second air inlet (522) is in communication with the air inlet cavity (523), the connecting tube (61) is also connected with an air inlet pipe (63), and the air inlet pipe (63) is in communication with the second air inlet (522).

6. The automatic sampling device for edible oil production according to claim 3, characterized in that: The diameter of the plugging head (51) decreases from the inside to the outside, and the outer end of the plugging block (52) presents an arc-shaped surface matching the plugging head (51).

7. The automatic sampling device for edible oil production according to claim 3, characterized in that: A blocking rod is also fixed to the connection portion (41), the blocking rod penetrates the cover body (32) and is slidably matched with the cover body (32), a blocking portion is fixed to the outer end of the blocking rod, and the blocking portion is movably abutted against the air inlet end of the connection pipe (61).

8. The automatic sampling device for edible oil production according to claim 1, characterized in that: The limiting portion (31) is rod-shaped and extends to the outside of the housing (1). A plurality of limiting holes (311) are provided on the limiting portion (311), and the limiting holes (311) are plugged and matched with the limiting rods (312).

9. The automatic sampling device for edible oil production according to claim 1, characterized in that: An observation window (11) is also provided at the outer end of the shell (1), and the observation window (11) is opposite to the outer end of the flow guide tube (4).

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