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CN-224216344-U - Fixed ratio sampling mechanism with division function and sampling device

CN224216344UCN 224216344 UCN224216344 UCN 224216344UCN-224216344-U

Abstract

The utility model discloses a fixed ratio sampling mechanism with a shrinkage dividing function, which comprises a support, a motor fixed at the top of the support, a rod connected with an output shaft of the motor and vertically arranged downwards, a spiral blade spirally arranged on the surface of the rod, a sampling tube coaxially arranged outside the rod and fixed at the bottom of the support, a sampling outlet and at least one sampling falling port arranged at the upper part of the sampling tube along the circumferential direction, a gate mechanism capable of opening and closing at the outlet of the sampling outlet, wherein the ratio of the area of the sampling outlet to the total area of the sampling falling port is a shrinkage dividing ratio. The utility model has novel structure and ingenious design conception, can realize constant-ratio and full-section sampling, and improves the sampling accuracy and representativeness.

Inventors

  • HE WENLI
  • ZHANG HONGWEI

Assignees

  • 江西光明智能科技有限公司

Dates

Publication Date
20260508
Application Date
20250422

Claims (10)

  1. 1. The utility model provides a take ratio sampling mechanism of shrinkage divide function, its characterized in that includes a support (19), and a motor (11) is fixed in the top of support (19), a member (141) that just set up perpendicularly downwards with motor (11) output shaft be equipped with helical blade (142) that are spiral arrangement on the surface of member (141) outside member (141) coaxial with it is provided with a sampling tube (151), sampling tube (151) are fixed in the bottom of support (19), helical blade (142) with sampling tube (151)'s internal diameter adaptation, sampling tube (151) upper portion is provided with a sample outlet (1511) and at least one sample falling mouth (1512) along circumference, sample outlet (1511) butt joint has a sample outlet (17) that the downward sloping set up, and the exit of sample outlet (17) is equipped with a gate (16) that can open and close, sample outlet (1511) area is total shrinkage ratio promptly.
  2. 2. The fixed ratio sampling mechanism with the division function according to claim 1, wherein a blanking sleeve (152) is sleeved on the periphery of the sampling tube (151), an annular blanking cavity (150) is formed between the blanking sleeve (152) and the sampling tube (151), and the sampling falling opening (1512) is communicated with the blanking cavity (150).
  3. 3. The fixed ratio sampling mechanism with the division function according to claim 1, wherein an opening (1513) is formed on the side surface of the lower end of the sampling tube (151).
  4. 4. The fixed ratio sampling mechanism with the dividing function according to claim 2, wherein the top end of the sampling tube (151) is provided with a first flange (1514) connected with the bottom of the bracket (19), a second flange (1515) which is arranged on the first flange (1514) at intervals and is used for installing the blanking sleeve (152) is arranged above the sample outlet (1511) and the sample outlet (1512), the upper end of the blanking sleeve (152) is welded with the second flange (1515), and a protruding part (1516) is arranged at a position corresponding to the sample outlet (1511) on the second flange (1515) and is used for being connected with the sample outlet chute (17).
  5. 5. The fixed ratio sampling mechanism with the dividing function according to claim 2, wherein the bracket (19) is square frame-shaped and comprises a top plate (191) for fixing the motor (11), a bottom plate (192) for fixing the sampling tube (151), the bottom plate (192) is provided with a bearing (13) for supporting the rod piece (141), and the rod piece (141) is connected with the motor (11) through a motor coupling (12).
  6. 6. The fixed ratio sampling mechanism with the dividing function according to any one of claims 1 to 5, wherein the lower end part of the sample outlet chute (17) is arc-shaped, the gate mechanism (16) comprises a cambered gate (161) which is matched with the lower end of the sample outlet chute (17), two sides of the gate (161) are hinged on the front side surface of the sample outlet chute (17) through two connecting lugs (162), and one end of a discharge gate driver (163) for driving the gate (161) to open and close is hinged with the outer side edge of the gate (161), and the other end of the discharge gate driver is hinged and fixed on a bracket (19).
  7. 7. A sampling device adopting the fixed ratio sampling mechanism with the dividing function according to any one of claims 1-6, which is characterized by comprising a moving module (2), wherein a bottle clamping mechanism (3) and a sample receiving mechanism (4) are arranged in front of the moving module in parallel, the bracket (19) is connected with the moving module (2) through a sliding block (18) arranged on the back of the bracket, and the sampling device can move between a sampling position above the bottle clamping mechanism (3) and a sample unloading position above the sample receiving mechanism (4) under the driving of the moving module (2).
  8. 8. The sampling device according to claim 7, wherein the moving module (2) comprises a horizontal moving module (21) arranged on the frame (5) and a vertical moving module (22) arranged on the horizontal moving module, and the bottle clamping mechanism (3) and the sample receiving mechanism (4) are arranged on the frame (5) in front of the horizontal moving module (21) at equal intervals.
  9. 9. The sampling device according to claim 7, characterized in that the bottle clamping mechanism (3) comprises two clamping cylinders (31) arranged one behind the other and an arc-shaped clamping jaw (32) for holding a sample bottle.
  10. 10. The sampling device according to claim 7, wherein the sample receiving means (4) comprises a sample receiving hopper (41), the bottom of the sample receiving hopper (41) having a horizontal discharge pipe (42) for discharging horizontally and a vibrator (43) provided at the bottom of the sample receiving hopper.

Description

Fixed ratio sampling mechanism with division function and sampling device Technical Field The utility model relates to a sampling mechanism, in particular to a fixed ratio sampling mechanism with a division function and a fixed ratio sampling device, and belongs to the technical field of sample preparation. Background In the field of coal sample preparation, measuring whole water is an important task, in a fast method for measuring whole water, accurate sampling is a key ring, for example, the inventor of the prior patent 2017206140921 discloses a stirring and grabbing device, which comprises a bottle clamping mechanism, a sampling head and a moving mechanism, wherein the bottle clamping mechanism is arranged at one end of a bracket and used for receiving a sample bottle and clamping the sample bottle, the sampling head is arranged above the bottle clamping mechanism and horizontally moves in the vertical plane along the up-down and left-right directions and used for stirring the sample in the sample bottle and grabbing the sample, and the moving mechanism is arranged at the side surface direction of the sampling head and used for driving the sampling head to move. Which can be grasped while stirring, the sampling head achieves that the amount that can be grasped each time is substantially fixed and close to the desired amount. However, such sampling method is only capable of taking a sample in a sample bottle, and cannot perform full-section sampling, and the obtained sample is not representative, and is only capable of quantitative sampling, and cannot perform fractional sampling. Based on the above drawbacks of the prior art sampling devices, a sampling device capable of full-face sampling and dividing is a goal pursued by those skilled in the art. Disclosure of Invention The utility model aims to solve the problems that the existing sampling device cannot divide in a sampling process and cannot sample a full section, so that the sampling accuracy is low and the representativeness is poor. The fixed ratio sampling mechanism with the dividing function is characterized by comprising a support, a motor is fixed at the top of the support, a rod piece which is connected with an output shaft of the motor and is vertically and downwards arranged, a spiral blade which is spirally arranged is arranged on the surface of the rod piece, a sampling tube is coaxially arranged outside the rod piece, the sampling tube is fixed at the bottom of the support, the spiral blade is matched with the inner diameter of the sampling tube, a sampling outlet and at least one sampling falling opening are arranged at the upper part of the sampling tube along the circumferential direction, the sampling outlet is in butt joint with a sampling outlet which is downwards inclined, a gate mechanism which can be opened and closed is arranged at the outlet of the sampling outlet, and the ratio of the area of the sampling outlet to the total area of the sampling falling opening is the dividing ratio. As a preferable scheme, a blanking sleeve is sleeved on the periphery of the sampling tube, an annular blanking cavity is formed between the blanking sleeve and the sampling tube, and the sampling falling port is communicated with the blanking cavity. Preferably, an opening is formed in the side face of the lower end of the sampling tube. The top end of the sampling tube is provided with a first flange connected with the bottom of the bracket, a second flange which is arranged on the sample outlet and the sample falling opening at intervals and is used for installing a blanking sleeve, the upper end of the blanking sleeve is welded with the second flange, and the second flange is provided with a protruding part used for being connected with the sample outlet chute. As a preferred scheme, the position corresponding to the sample outlet is in a square frame shape, the bracket comprises a top plate used for fixing a motor and a bottom plate used for fixing a sampling tube, a bearing used for supporting the rod piece is arranged on the bottom plate, and the rod piece is connected with the motor through a motor coupler. The lower end part of the sample outlet slide pipe is in an arc shape, the gate mechanism comprises a gate in an arc shape, the gate is matched with the lower end of the sample outlet slide pipe, two sides of the gate are hinged to the front side surface of the sample outlet slide pipe through two connecting lugs, one end of a discharging gate driver for driving the gate to open and close is hinged to the outer side edge of the gate, and the other end of the discharging gate driver is hinged and fixed to a support. The utility model also provides a sampling device with the fixed ratio sampling mechanism with the dividing function, which is characterized by comprising a moving module, wherein a bottle clamping mechanism and a sample receiving mechanism are arranged in front of the moving module in parallel, the bracket is connected with