Automatic sampling machine

By introducing guiding, pushing, and driving components into the automatic sampler, the problem of difficulty in sampling materials at the bottom of the carriage in the existing technology has been solved, realizing comprehensive sampling of the material pile, reducing sampling dead zones, and improving sampling efficiency.

CN223611187UActive Publication Date: 2025-11-28CCCC MECHANICAL & ELECTRICAL ENG
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423101493.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-28
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing automatic sampling machines have difficulty effectively sampling materials at the bottom of the carriage, resulting in sampling blind spots and reducing the comprehensiveness of sampling.

Method used

An automatic sampler including a sampling component was designed. Through the cooperation of a guiding component, a pushing component, and a driving component, the sampler can be easily inserted into the sampling tube and effectively sampled from the bottom wall of the carriage. In particular, the rotation of the spiral blades and the guidance of the guiding tube ensure that the material at the bottom of the stockpile is sampled.

Benefits of technology

It improves the comprehensiveness of sampling of material piles, reduces sampling blind spots, and enhances sampling efficiency and comprehensiveness.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223611187U_ABST
    Figure CN223611187U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic sampler which comprises a rail base arranged on a plurality of stand columns, a sampling head is arranged at one end of a sampling pipe, the automatic sampler further comprises a sampling assembly arranged on the sampling pipe and used for sampling materials at the bottommost part of a material pile, the sampling assembly comprises a first square plate connected to the sampling pipe in a sliding mode, and a second square plate connected to the sampling pipe in a sliding mode. The side, close to the sampling head, of the first square plate is connected with a sliding plate through a guide assembly, the sliding plate is hinged to a sampling pipe, the sampling pipe is rotationally connected with a rotating rod, and a spiral blade is arranged on the side wall of the rotating rod. According to the automatic sampling machine disclosed by the utility model, through the arrangement of the sampling assembly and under the matching action of the guide assembly, the pushing assembly and the driving assembly, the convenience of inserting the sampling pipe into a material pile is ensured, and meanwhile, the sampling operation on materials on the bottom wall of the transportation compartment is facilitated, so that the comprehensiveness of sampling the material pile is improved, and the sampling efficiency is improved. And dead angles of material pile sampling are reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a sampling machine technical field, concretely is a kind of automatic sampling machine. BACKGROUND

[0002] Automatic sampling machine is mainly used to automatically sample for the vehicle-mounted package grain, bulk grain coverless transport vehicle, and is used for sampling detection of the grain loaded in the vehicle.

[0003] When sampling, the sampling machine first moves the sampling tube to the starting sampling position of the material pile using the moving mechanism, then the sampling power device drives the sampling tube to insert into the material pile at a set speed, reaches the set depth, and then starts to extract the sample. The extracted sample is transported to the sample collection device through the sampling tube. In order to facilitate insertion into the material pile, a sharp sampling head is provided at the front end of the sampling tube during use. Although the provision of the sampling head reduces the resistance of the sampling tube inserted into the material pile, the sampling head blocks the sampling tube from reaching the material at the bottom of the material pile, resulting in a sampling dead angle and reducing the comprehensiveness of sampling the material pile.

[0004] Therefore, an automatic sampling machine is needed to solve the above problems. INVENTION CONTENTS

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an automatic sampling machine, comprising a rail base provided on a plurality of vertical columns, an electric rotary disc is slidably connected to the rail base, a sampling tube is connected to the electric rotary disc through a mechanical swing arm away from the rail base, one end of the sampling tube is provided with a sampling head, and a sampling assembly for sampling the material at the bottom of the material pile is further provided on the sampling tube.

[0006] The sampling assembly comprises a first square plate slidably connected to the sampling tube, a sliding plate is connected to the side of the first square plate close to the sampling head through a guide assembly, a sampling tube is hingedly connected to the sliding plate, a rotating rod is rotatably connected to the sampling tube, a helical blade is provided on the side wall of the rotating rod, the sampling tube is provided with a driving assembly for driving the helical blade, and the sampling tube is provided with a pushing assembly for pushing the first square plate.

[0007] A sample outlet tube is fixedly connected to the side wall of the sampling tube.

[0008] The sampling head is hollow, and a guide tube is inclinedly provided on the inner wall.

[0009] The pushing assembly comprises a second square plate fixedly connected to the inner wall of the sampling tube, a push rod motor is provided on the side of the second square plate away from the first square plate, and the output end of the push rod motor is connected with the first square plate.

[0010] The guiding assembly comprises a dovetail groove formed on one side of the first square plate close to the sliding plate, and the dovetail groove is slidably connected with a dovetail plate, and one side of the dovetail plate is connected with the sliding plate.

[0011] The driving assembly comprises a driving rod rotatably connected with the side wall of the sampling tube, one end of the driving rod inside the sampling tube is fixedly connected with a first bevel gear, the side wall of the rotating rod is fixedly connected with a second bevel gear, the second bevel gear is arranged in meshing with the first bevel gear, and the side wall of the sampling tube is provided with a motor, and the output end of the motor is connected with the driving rod.

[0012] The inner wall of the sampling tube is provided with a blocking ring between the spiral blade and the second bevel gear.

[0013] Compared with the prior art, the automatic sampling machine has the advantages that:

[0014] The automatic sampling machine has the advantages that: the sampling assembly is arranged, the guiding assembly, the pushing assembly and the driving assembly are cooperated, the convenience of inserting the sampling tube into the material pile is ensured, the sampling operation on the material on the bottom wall of the transport carriage is facilitated, the comprehensiveness of sampling the material pile is improved, and the dead angle of sampling the material pile is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the sampling assembly of the utility model;

[0017] Figure 3 It is Figure 2 It is an enlarged view of A in the middle;

[0018] Figure 4 It is a schematic diagram of the guiding assembly structure of the utility model.

[0019] In the drawing: 101, stand; 102, rail base; 103, electric rotating disc; 104, mechanical swing arm; 105, sampling tube; 106, sampling head; 201, first square plate; 202, sliding plate; 203, sampling tube; 204, rotating rod; 205, spiral blade; 206, sample outlet tube; 207, guiding tube; 301, second square plate; 302, push rod motor; 401, dovetail groove; 402, dovetail plate; 501, driving rod; 502, first bevel gear; 503, second bevel gear; 504, motor; 505, blocking ring. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] Embodiment 1

[0022] Please refer to Figures 1-4 , an automatic sampling machine shown in the figure, including the track base 102 arranged on the plurality of vertical columns 101, the electric rotating disc 103 is slidingly connected on the track base 102, the sampling tube 105 is connected through the mechanical swing arm 104 on the side away from the track base 102 of the electric rotating disc 103, one end of the sampling tube 105 is provided with the sampling head 106, further comprising a sampling assembly arranged on the sampling tube 105 for sampling the material at the bottom of the material pile;

[0023] The sampling assembly comprises a first square plate 201 slidingly connected to the sampling tube 105, a sliding plate 202 is connected to the side close to the sampling head 106 of the first square plate 201 through a guide assembly, the sliding plate 202 is hinged with a sampling tube 203, the sampling tube 203 is rotatably connected with a rotating rod 204, the side wall of the rotating rod 204 is provided with a spiral blade 205, the sampling tube 203 is provided with a driving assembly for driving the spiral blade 205, the sampling tube 105 is provided with a pushing assembly for pushing the first square plate 201;

[0024] It should be noted that: through the setting of the sampling assembly, under the cooperation of the guide assembly, the pushing assembly and the driving assembly, the convenience of inserting the sampling tube 105 into the material pile is ensured, and the sampling operation of the material on the bottom wall of the transport carriage is facilitated, thereby improving the comprehensiveness of the material sampling of the material pile and reducing the dead angle of the material sampling of the material pile.

[0025] It should be noted that: the material sampling form of the sampling tube 105 in the prior art mainly includes vacuum suction, mechanical pushing and gravity feeding, the present application can be applicable to vacuum suction and gravity feeding, and the specific material sampling method is determined according to actual needs.

[0026] It needs to be emphasized that the mechanical swing arm 104 comprises an upper swing arm, a lower swing arm and a connecting rod, one end of the upper swing arm is hinged to the swing arm base, one end of the lower swing arm is hinged to the swing arm base near the end position, and the upper and lower ends of the connecting rod are hinged to the other end of the upper swing arm and the lower swing arm respectively, the upper swing arm, the lower swing arm, the connecting rod and the swing arm base form a parallel four-bar linkage structure, the sampling tube 105 is vertically arranged on the connecting rod, through the parallel four-bar linkage structure, no matter how the swing arm swings, the angle of the connecting rod is unchanged, which ensures that the sampling tube 105 always maintains a vertical state, at the same time, by arranging the mechanical swing arm 104 on the electric rotating disc 103, the mechanical swing arm 104 can rotate and translate, so as to realize sampling of the sampling tube 105 at any position in the horizontal plane, and the arrangement of the track base 102 increases the working range of the sampling machine in the length direction, so that the sampling machine can work in a long length range, that is, sample the large transport vehicle, without moving the transport vehicle, thereby improving the working efficiency.

[0027] Please refer to Figure 2 and Figure 3 , the side wall of the sampling tube 203 in the drawing is fixedly connected with the sample outlet tube 206;

[0028] It needs to be pointed out here that the arrangement of the sample outlet tube 206 facilitates the removal of materials from the sampling tube 203.

[0029] Please refer to Figure 2 and Figure 3 , the sampling head 106 in the drawing is hollowly arranged, and the inner wall is obliquely provided with a guide pipe 207;

[0030] It needs to be pointed out here that the arrangement of the guide pipe 207 is used to guide the movement of the sampling tube 203.

[0031] Please refer to Figure 2 , the pushing assembly in the drawing comprises a second square plate 301 fixedly connected to the inner wall of the sampling tube 105, a push rod motor 302 is arranged on the side of the second square plate 301 away from the first square plate 201, and the output end of the push rod motor 302 is connected with the first square plate 201;

[0032] It needs to be pointed out here that the arrangement of the pushing assembly facilitates the movement of the first square plate 201 in the sampling tube 105.

[0033] Please refer to Figure 4 , the guide assembly in the drawing comprises a dovetail groove 401 arranged on the side of the first square plate 201 close to the sliding plate 202, the dovetail groove 401 is slidingly connected with a dovetail plate 402, and one side of the dovetail plate 402 is connected with the sliding plate 202;

[0034] It needs to be pointed out here that the arrangement of the guide assembly is used to provide guiding and resetting effects for the sliding plate 202.

[0035] Working principle: when sampling and detecting the grain loaded by the vehicle-mounted package grain and bulk grain transport vehicle without cover, first move the transport vehicle to one side of the stand 101, then use the track base 102 to drive the electric rotating disc 103 to move, when the electric rotating disc 103 is moved to one side of the transport vehicle, the rotation of the mechanical swing arm 104 and the extension and contraction of the mechanical swing arm 104 driven by the electric rotating disc 103 make the sampling tube 105 move above the material pile;

[0036] After the sampling tube 105 is moved above the material pile, the mechanical swing arm 104 drives the sampling tube 105 to insert into the material pile, and in the process of inserting the sampling tube 105 into the material pile, the penetration of the conical sampling head 106 makes the sampling tube 105 insert into the material pile for sampling, thereby reducing the resistance of the sampling tube 105 inserting into the material pile and improving the convenience of the sampling tube 105 inserting into the material pile;

[0037] When the material at the bottom of the material pile needs to be sampled, the mechanical swing arm 104 moves the sampling head 106 to abut against the bottom wall of the transport vehicle compartment, then the push rod motor 302 is started to move the first square plate 201 close to the sampling head 106, in the process of moving the first square plate 201 close to the sampling head 106, under the guiding action of the guide assembly and the guiding action of the guide pipe 207, the sampling tube 203 is inclined downward from the guide pipe 207, when the sampling tube 203 moves to the bottom wall of the transport vehicle compartment, the movement of the push rod motor 302 is stopped, at this time, the driving assembly drives the helical blade 205 to rotate, thereby under the rotating action of the helical blade 205, the material at the bottom wall of the transport vehicle compartment is transported into the sampling tube 203, and finally falls into the sampling tube 105 from the sample outlet pipe 206, thereby realizing the sampling operation of the material at the bottom of the material pile, and improving the comprehensiveness of the sampling of the material pile;

[0038] After the sampling of the material at the bottom of the material pile is completed, under the driving action of the push rod motor 302 and the guiding action of the guide assembly and the guide pipe 207, the sampling port of the sampling tube 203 moves to the inside of the guide pipe 207, at this time, the mechanical swing arm 104 drives the sampling tube 105 to move out of the material pile, thereby completing the sampling operation of the material.

[0039] Example 2

[0040] Please refer to Figure 3The embodiment is further illustrated with respect to the embodiment 1, the driving assembly in the drawing includes a driving rod 501 rotatably connected to the side wall of the sampling tube 203, one end of the driving rod 501 is fixedly connected with a first bevel gear 502 inside the sampling tube 203, the side wall of the rotating rod 204 is fixedly connected with a second bevel gear 503, the second bevel gear 503 is arranged in meshing with the first bevel gear 502, the side wall of the sampling tube 203 is provided with a motor 504, and the output end of the motor 504 is connected with the driving rod 501;

[0041] It should be noted that: through the setting of the driving assembly, the first bevel gear 502 at one end of the driving rod 501 is driven to rotate by the motor 504, and then the helical blade 205 on the rotating rod 204 is driven to rotate under the mutual meshing transmission action of the first bevel gear 502 and the second bevel gear 503.

[0042] It should be noted that: the components of the driving assembly are arranged close to the first square plate 201.

[0043] Please refer to Figure 2 and Figure 3 , the inner wall of the sampling tube 203 in the drawing is provided with a blocking ring 505, the blocking ring 505 is located between the helical blade 205 and the second bevel gear 503;

[0044] It should be noted that: through the setting of the blocking ring 505, the first bevel gear 502 and the second bevel gear 503 are blocked from contacting the material.

[0045] It should be noted that: through the setting of the blocking ring 505, the first bevel gear 502 and the second bevel gear 503 are blocked from contacting the material.

[0045] It should be noted that: through the setting of the blocking ring 505, the first bevel gear 502 and the second bevel gear 503 are blocked from contacting the material.

[0045] It should be noted that: through the setting of the blocking ring 505, the first bevel gear 502 and the second bevel gear 503 are blocked from contacting the material.

[0045] It should be noted that: through the setting of the blocking ring 505, the first bevel gear 502 and the second bevel gear 503 are blocked from contacting the material.

[0045] It should be noted that: through the setting of the blocking ring 505, the first bevel gear 502 and the second bevel gear 503 are blocked from contacting the material.

[0045] It should be noted that: through the setting of the blocking ring 505, the first bevel gear 502 and the second bevel gear 503 are blocked from contacting the material.

[0045] It should be noted that: through the setting of the blocking ring 505, the first bevel gear 502 and the second bevel gear 503 are blocked from contacting the material.

Claims

1. An automatic sampling machine, comprising: a rail base (102) provided on a plurality of vertical columns (101), an electric rotary disc (103) being slidably connected to the rail base (102), a sampling tube (105) being connected to the electric rotary disc (103) through a mechanical swing arm (104) away from the rail base (102), and a sampling head (106) being provided at one end of the sampling tube (105) in a tapered manner; characterized in that it further comprises: a sampling assembly provided on the sampling tube (105) for sampling the material at the bottom of a material pile; the sampling assembly comprises a first square plate (201) slidably connected to the sampling tube (105), a sliding plate (202) being connected to one side of the first square plate (201) close to the sampling head (106) through a guide assembly, a sampling tube (203) being hingedly connected to the sliding plate (202), a rotating rod (204) being rotatably connected to the sampling tube (203), helical blades (205) being provided on the side wall of the rotating rod (204), the sampling tube (203) being provided with a driving assembly for driving the helical blades (205), and the sampling tube (105) being provided with a pushing assembly for pushing the first square plate (201).

2. An automatic sampling machine according to claim 1, characterized in that: The sampling tube (203) is fixedly connected with a sample outlet tube (206) on the side wall.

3. An automatic sampling machine according to claim 1, characterized in that: The sampling head (106) is provided in a hollow manner, and the inner wall is inclinedly provided with a guide tube (207).

4. The automatic sampling machine according to claim 1, characterized in that: The pushing assembly comprises a second square plate (301) fixedly connected to the inner wall of the sampling tube (105), a push rod motor (302) being provided on one side of the second square plate (301) away from the first square plate (201), and the output end of the push rod motor (302) being connected with the first square plate (201).

5. The automatic sampling machine according to claim 1, characterized in that: The guide assembly comprises a dovetail groove (401) provided on one side of the first square plate (201) close to the sliding plate (202), and a dovetail plate (402) being slidably connected to the dovetail groove (401), one side of the dovetail plate (402) being connected with the sliding plate (202).

6. An automatic sampling machine according to claim 1, characterized in that: The driving assembly comprises a driving rod (501) rotatably connected to the side wall of the sampling tube (203), a first bevel gear (502) being fixedly connected to one end of the driving rod (501) inside the sampling tube (203), a second bevel gear (503) being fixedly connected to the side wall of the rotating rod (204), the second bevel gear (503) and the first bevel gear (502) being arranged in meshing relationship, a motor (504) being provided on the side wall of the sampling tube (203), and the output end of the motor (504) being connected with the driving rod (501).

7. An automatic sampling machine according to claim 6, characterized in that: The inner wall of the sampling tube (203) is provided with a retaining ring (505), and the retaining ring (505) is located between the helical blades (205) and the second bevel gear (503).