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CN-224231315-U - Accurate sampling device based on fruit core line functional partitioning

CN224231315UCN 224231315 UCN224231315 UCN 224231315UCN-224231315-U

Abstract

The utility model relates to an accurate sampling device based on functional partitioning of a fruit center line, which comprises a bottom plate, wherein two opposite clamping plates are arranged on the top surface of the bottom plate in a sliding manner, a fruit clamping area is formed between the two clamping plates, two opposite supporting frames are fixedly connected to the top surface of the bottom plate, a pressing plate is arranged between the two supporting frames in a sliding manner, two vertical sampling insertion pipes are arranged on the pressing plate, one sampling insertion pipe is arranged opposite to a fruit pit area inside the fruit center line, and the other sampling insertion pipe is arranged opposite to a pulp area outside the fruit center line. According to the utility model, the two clamping plates are driven to slide relatively through the first driving mechanism, so that fruits are clamped and fixed. The pressing plate is driven by the second driving mechanism to vertically slide downwards, so that two sampling insertion pipes are inserted into fruits to sample, one sampling insertion pipe samples a pit area, the other sampling insertion pipe samples a pulp area, and different functional areas of the fruits can be analyzed respectively by sampling the fruits in a partitioning manner, so that the accuracy and consistency of analysis and evaluation of the fruits are ensured.

Inventors

  • HU DAGANG
  • ZHANG JIUCHENG
  • WANG WENYAN
  • MAO JUNCHENG

Assignees

  • 山东农业大学

Dates

Publication Date
20260512
Application Date
20250707

Claims (9)

  1. 1. The accurate sampling device based on the functional partition of the fruit core line is characterized by comprising a bottom plate (1), wherein two opposite clamping plates (2) are arranged on the top surface of the bottom plate (1) in a sliding manner, a fruit clamping area is formed between the two clamping plates (2), and a first driving mechanism (6) for driving the two clamping plates (2) to slide relatively along the horizontal direction is arranged on the bottom plate (1); The top surface of the bottom plate (1) is fixedly connected with two opposite supporting frames (3), the two supporting frames (3) are respectively positioned at one sides of the two clamping plates (2) which are opposite, a pressing plate (4) is slidably arranged between the two supporting frames (3), the pressing plate (4) is positioned above the two clamping plates (2), and a second driving mechanism (7) for driving the pressing plate (4) to slide along the vertical direction is arranged on the supporting frames (3); Two vertical sampling insertion pipes (5) are arranged on the pressing plate (4), one sampling insertion pipe (5) is arranged opposite to a pit area inside the fruit core line, and the other sampling insertion pipe (5) is arranged opposite to a pulp area outside the fruit core line.
  2. 2. The accurate sampling device based on the functional partition of the fruit core line according to claim 1, wherein a piston block (51) is connected in the sampling insertion tube (5) in a sliding way, a push rod (52) is fixedly connected to the upper end of the piston block (51), and the upper end of the push rod (52) is extended outside the sampling insertion tube (5) and fixedly connected with a pressing plate (53).
  3. 3. The accurate sampling device based on the functional partition of the fruit core line according to claim 1 or 2, wherein a third sliding hole (42) is formed in the middle of the pressing plate (4), the third sliding hole (42) extends along the axial direction of the pressing plate (4), a clamping ring (8) is fixedly sleeved on the outer wall of the sampling insertion tube (5), and the clamping ring (8) is clamped in the third sliding hole (42) and slides along the third sliding hole (42).
  4. 4. The accurate sampling device based on the functional partition of the fruit core line according to claim 3, wherein the clamping ring (8) is screwed with a positioning bolt (9) capable of propping up the pressing plate (4).
  5. 5. The accurate sampling device based on the functional partition of the fruit core line according to claim 1, wherein a first sliding hole (11) is formed in the middle of the bottom plate (1), the first sliding hole (11) extends along the arrangement direction of the two clamping plates (2), two first sliding blocks (21) are connected in a sliding manner in the first sliding hole (11), the first sliding blocks (21) slide horizontally along the first sliding hole (11), and the two clamping plates (2) are fixedly connected with the two first sliding blocks (21) respectively.
  6. 6. The accurate sampling device based on the functional partition of the fruit core line according to claim 5, wherein the first driving mechanism (6) comprises a bidirectional screw rod (61) penetrating through the first sliding hole (11), the bidirectional screw rod (61) extends along the length direction of the first sliding hole and is rotationally connected with the bottom plate (1), one end of the bidirectional screw rod (61) is fixedly connected with a rotating handle (63), two threads of the bidirectional screw rod (61) are respectively connected with a first nut (62) in a threaded manner, and two first sliding blocks (21) are respectively fixedly connected with two first nuts (62).
  7. 7. The accurate sampling device based on the functional partition of the fruit core line according to claim 1, wherein the two ends of the pressing plate (4) are fixedly connected with second sliding blocks (41), and the two second sliding blocks (41) are respectively connected with the two supporting frames (3) in a sliding manner and slide along the vertical direction.
  8. 8. The accurate sampling device based on the functional partition of the fruit heart line according to claim 7, wherein the second driving mechanism (7) comprises a one-way screw rod (71) which is rotationally connected with the supporting frame (3), the one-way screw rod vertically extends, a motor (73) which drives the one-way screw rod (71) to rotate is fixedly arranged on the supporting frame (3), a second nut (72) is connected onto the one-way screw rod (71) in a threaded manner, and the second sliding block (41) is fixedly connected with the second nut.
  9. 9. The accurate sampling device based on the functional partitioning of the fruit heart line according to any one of claims 1, 7 and 8, wherein a limiting block (33) is fixedly connected to the supporting frame (3), the limiting block (33) is located below the pressing plate (4), and the height of the limiting block (33) is not lower than the upper end height of the clamping plate (2).

Description

Accurate sampling device based on fruit core line functional partitioning Technical Field The utility model relates to the technical field of apple fruit sampling, in particular to an accurate sampling device based on a functional partition of a fruit heart line. Background Apples are one of the important fruits widely planted and consumed worldwide, and the fruit quality directly affects market value and consumer acceptance. Fruit quality is generally assessed by means of indices such as soluble solids, soluble sugars, titratable acids, etc. When dividing the functional area of the apple, the diameter of the apple is generally varied from 60mm to 90mm, a circumferential line with the center radius of 10-15 mm is generally used as a fruit center line of the apple, the part inside the fruit center line is used as a pit area, and the part outside the fruit center line is used as a pulp area. In the current scientific research and industrial practice, the internal structure of the apple is not subdivided when the apple is sampled, the sampling is not performed in a partition mode, and the mixed sample of the whole apple is directly taken for analysis. This approach ignores differences in metabolic activity and material accumulation in the pit and pulp tissues of the fruit, potentially affecting accuracy and consistency of quality assessment. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides an accurate sampling device based on the functional partitioning of the fruit heart line, which can sample different functional areas of fruits in a partitioning way, and is more convenient to sample. The accurate sampling device based on the functional partition of the fruit center line comprises a bottom plate, wherein two opposite clamping plates are arranged on the top surface of the bottom plate in a sliding mode, a fruit clamping area is formed between the two clamping plates, a first driving mechanism for driving the two clamping plates to slide relatively in the horizontal direction is arranged on the bottom plate, two opposite supporting frames are fixedly connected to the top surface of the bottom plate, the two supporting frames are respectively positioned on one side, opposite to the two clamping plates, of the bottom plate, a pressing plate is arranged between the two supporting frames in a sliding mode, the pressing plate is positioned above the two clamping plates, a second driving mechanism for driving the pressing plate to slide in the vertical direction is arranged on the supporting frames, two vertical sampling insertion pipes are arranged on the pressing plate, one sampling insertion pipe is arranged opposite to a fruit core area inside the fruit center line, and the other sampling insertion pipe is arranged opposite to a pulp area outside the fruit center line. When this scheme is used, the fruit is placed in the fruit holding area, thereby through two splint relative slip of first actuating mechanism drive to fruit centre gripping is fixed. The pressing plate is driven by the second driving mechanism to vertically slide downwards, two sampling insertion pipes are inserted into fruits to sample through the sliding of the pressing plate, one sampling insertion pipe samples a fruit pit area, and the other sampling insertion pipe samples a pulp area. By sampling the fruits in a partitioning manner, different functional areas of the fruits can be analyzed separately, so that the accuracy and consistency of analysis and evaluation of the fruits are ensured. As optimization, a piston block is connected in the sampling cannula in a sliding way, a push rod is fixedly connected to the upper end of the piston block, and the upper end of the push rod is extended to the outside of the sampling cannula and fixedly connected with a pressing plate. This optimization scheme accessible push down the push rod of push plate, and then make the piston piece downwardly sliding to release the sample in the sample intubate, be convenient for personnel to collect, it is more convenient to use. As optimization, the middle part of clamp plate has seted up the third slide hole, and the third slide hole extends along the clamp plate axial, the outer wall cover of sample intubate is established the rigid coupling and is had the snap ring, and the snap ring card is established in the third slide hole and is followed the third slide hole and slide. The sampling cannula of the optimization scheme can slide along the third sliding hole through the clamping ring, so that the sampling cannula can conveniently sample different positions in the corresponding area, and the sampling is more flexible and convenient. As optimization, the clamping ring is in threaded connection with a positioning bolt capable of propping up the pressing plate. The clamping ring is fixed through the pressing plate on the top of the positioning bolt by the aid of the optimization scheme, so that the position of the samp