Sampling drill rod gripping tool

Abstract

The utility model discloses a sampling drill rod gripping apparatus which comprises a sampling drill rod (2), the sampling drill rod comprises an outer pipe (2-1) and an inner pipe (2-2) capable of rotating relative to the outer pipe, and the outer pipe and the inner pipe are provided with feed ports in one-to-one correspondence along the axial direction; the material pushing mechanism comprises a material pushing piston rod (2-3) communicated with one end of the sampling drill rod, and the material pushing piston rod is in transmission connection with an air cylinder (2-5), so that the piston rod moves in the sampling drill rod to discharge materials from the feeding hole. The sampling device has the beneficial effects that the material pushing mechanism can discharge materials entering the sampling drill rod from the feeding hole; the use range is wide, and the sampling work of various ton bag powder materials and particle materials in the market at present can be met; product parts are common parts in the market, all systems are combined together through fastening parts, the structure is stable, and machining, manufacturing and assembling are easy; the automation level is high; manual sampling is completely replaced and the weight is stable; and maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sampling technology, especially take sample drill grab. BACKGROUND

[0002] At present, the battery industry is booming, and coarse cobalt hydroxide is a key raw material for new energy automobile batteries and advanced energy storage industries. Coarse cobalt hydroxide is transported and stored in ton bags, and the sampling method of coarse cobalt hydroxide is single. Currently, manual sampling is mainly used. Due to the ton bag packaging of the product, manual sampling has poor uniformity, inconsistent weight, and poor sampling environment. The existing sampling tubes on the market are manually operated, and it is laborious to insert the sampling tube into the ton bag. The material has entered the sampling tube during the insertion process.

[0003] For example, Chinese Utility Model Patent Publication No. CN202974717U discloses a rotary self-flowing sampler, which includes a base, a rotating vertical rod, a rocker arm, and a motor. A top disc is fixed to the end of the outer rotating tube above the rocker arm. The lower part of the outer rotating tube passes through the rocker arm. The motor fixed on the rocker arm drives the outer rotating tube to move up and down through a gear chain. The inner rotating tube is inserted and installed in the outer rotating tube and can rotate in the outer rotating tube. The upper end of the inner rotating tube is connected to a gas cylinder through a rotating arm. The lower part of the inner rotating tube and the outer rotating tube is provided with a material port. Although this patent achieves the staggered and coincident functions of the material port through the rotation of the inner rotating tube, it cannot achieve the function of automatic material discharge. SUMMARY

[0004] The technical problem to be solved by the utility model is that the existing sampling drill grab does not have the function of automatic material discharge. Therefore, a sampling drill grab is provided.

[0005] The technical solution of the utility model is as follows: a sampling drill grab, which comprises a sampling drill, an outer tube, an inner tube that can rotate relative to the outer tube, a material inlet that is correspondingly arranged on the outer tube and the inner tube in the axial direction, a material pushing mechanism that comprises a material pushing piston rod that is in communication with one end of the sampling drill, and a gas cylinder that is in transmission connection with the material pushing piston rod to make the piston rod move in the sampling drill and discharge the material from the material inlet.

[0006] In the above-mentioned solution, the outer tube comprises a bag breaking cone, a stainless steel pipe, and a bearing. The bag breaking cone is connected to the stainless steel pipe through the bearing. The stainless steel pipe is provided with an outer tube material inlet in the axial direction. The inner tube is arranged in the stainless steel pipe and is provided with an inner tube material inlet in the axial direction. The end of the inner tube that is away from the bag breaking cone is exposed outside the stainless steel pipe and is in transmission connection with a drill sealing mechanism that drives the inner tube to rotate relative to the outer tube.

[0007] The sealing mechanism comprises a push rod and a driving cylinder for driving the push rod to move in the radial direction of the sampling rod, a positioning hole is formed in the push rod, a rack is connected to the positioning hole through a bolt, a gear meshing with the rack is sleeved at the end of the inner tube away from the bag breaking cone, and the driving cylinder is installed on the rack.

[0008] The improvement of the above scheme is that the bag breaking cone is provided with a material guide block.

[0009] The further improvement of the above scheme is that the rack is provided with a 3D vision camera connected with the material pushing mechanism and the sealing mechanism.

[0010] The above scheme comprises a plurality of sampling rods, and the plurality of sampling rods are distributed at intervals on the rack.

[0011] The above scheme comprises a plurality of sampling rods, and the plurality of sampling rods are distributed at intervals on the rack.

[0012] The above scheme comprises a plurality of sampling rods, and the plurality of sampling rods are distributed at intervals on the rack.

[0013] The further improvement of the above scheme is that the rack is provided with a 3D vision camera connected with the material pushing mechanism and the sealing mechanism.

[0014] The beneficial effects of the present application are that the material pushing mechanism can discharge the material entering the sampling rod from the feeding port, the application has a wide range of use and can meet the sampling work of various ton bags of powder and granular materials on the market, the product components are commonly used components on the market, the systems are combined together through fastening components, the structure is stable and the manufacturing and assembly are simple, the automation level is high, the artificial sampling is completely replaced and the weight is stable, and the application is convenient to maintain and repair. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0016] Figure 2 It is a schematic diagram of the front view structure of the present application;

[0017] Figure 3 It is a schematic diagram of the top view structure of the present application;

[0018] Figure 4 It is a schematic diagram of the left view structure of the present application;

[0019] Figure 5 It is a schematic diagram of the axial view structure of the sampling rod in the present application;

[0020] Figure 6 It is a schematic diagram of the explosion structure of the sampling rod in the present application;

[0021] Figure 7 It is the axial view structural schematic diagram of outer tube in the utility model;

[0022] Figure 8 It is the local structure schematic diagram of outer tube in the utility model;

[0023] Figure 9 It is the axial view structural schematic diagram of sealing mechanism in the utility model;

[0024] In the figure, 1, rack, 2, sampling drill, 2-1, outer tube, 2-1-1, bag breaking cone, 2-1-2, stainless steel round tube, 2-1-3, bearing, 2-1-4, material guiding block, 2-2, inner tube, 2-3, material pushing piston rod, 2-4, gear, 2-5, air cylinder, 3, sealing mechanism, 3-1, push rod, 3-2, driving air cylinder, 4, 3D vision camera, 5, mounting flange. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments of those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] As Figures 1-9 shown, a sampling drill grab includes: sampling drill 2, the sampling drill includes outer tube 2-1 and inner tube 2-2 rotatable relative to outer tube, a corresponding feed opening is formed on the outer tube and the inner tube along the axial direction;Material pushing mechanism, the material pushing mechanism includes the material pushing piston rod 2-3 communicated with one end of sampling drill, the material pushing piston rod is drivingly connected with air cylinder 2-5 so that the piston rod moves in the sampling drill and discharges material from the feed opening.The end of the inner tube is rotated by the handle outside, when the inner tube feed opening and the outer tube feed opening are matched, the material can enter the sampling drill, when the inner tube feed opening and the outer tube feed opening are completely overlapped, the material is enclosed in the sampling drill, so the sampling work is completed. The air cylinder is preferably a multi-section air cylinder.

[0027] As an embodiment of the utility model, the outer tube includes: bag breaking cone 2-1-1, stainless steel round tube 2-1-2 and bearing 2-1-3, the bag breaking cone is connected with the stainless steel round tube through the bearing, the stainless steel round tube is provided with outer tube feed opening along the axial direction, the inner tube is arranged in the stainless steel round tube and is provided with inner tube feed opening along the axial direction, the end of the inner tube away from the bag breaking cone is exposed outside the stainless steel round tube and is drivingly connected with sealing mechanism 3 for driving the inner tube to rotate relative to the outer tube.

[0028] The sealing mechanism comprises a push rod 3-1 and a driving cylinder 3-2 for driving the push rod to move in the radial direction of the sampling lance, the push rod is welded by a rectangular tube with a plurality of positioning holes, a rack is connected to the positioning holes through bolts, a gear 2-4 meshing with the rack is sleeved on the end of the inner tube away from the bag breaking cone, and the driving cylinder is installed on the rack 1. The sealing mechanism is driven by the gear and rack mechanism to seal the outer tube to avoid material flowing out, the inner tube and the gear are connected in a quick release mode, the inner tube is driven to rotate by a corresponding angle through the driving cylinder driving the rack to move, and the outer tube feeding port is closed or opened.

[0029] As a preferred example of the utility model, the bag breaking cone is internally provided with a material guiding block 2-1-4, the material guiding block 2-1-4 is provided with an inclined surface, and one feeding port of the inner tube and the outer tube is located beside the material guiding block; when the material pushing mechanism pushes the material, the inclined surface of the material guiding block 2-1-4 guides the material to slide out of the inner tube from the feeding port, so that the inner tube is prevented from being stuck by the material.

[0030] As a preferred example of the utility model, the rack is provided with a 3D visual camera connected with the material pushing mechanism and the sealing mechanism in signal mode, and positioning can be realized by the 3D visual camera.

[0031] As an embodiment of the utility model, the sampling lance has three, the three sampling lances are distributed at intervals on the rack, and the center distance of the three sampling lances can be adjusted.

[0032] As an embodiment of the utility model, the material pushing mechanism and the sealing mechanism are connected with a control system in signal mode, the control system is preferably a PLC system, and the automatic action of the material pushing mechanism and the sealing mechanism is controlled through the PLC system.

[0033] As an embodiment of the utility model, the rack is provided with a mounting flange 5, the sampling lance gripper can be mounted on the moving mechanism through the mounting flange, and the sampling lance gripper is driven to approach or move away from the ton bag.

[0034] The working principle of the utility model is as follows:

[0035] Before work, the sampling lance gripper is placed in the sampling position in advance.

[0036] When working, the ton bag is conveyed from the conveyor to the sampling position, the 3D vision camera takes a picture to guide the sampling drill grab to carry out the sampling operation, the inner tube closes the feeding port before the sampling drill grab enters the ton bag, the bag breaking cone breaks the bag to enter the ton bag, and the sampling drill stops inserting when it is inserted to 2 / 3 of the thickness of the ton bag. After stopping, the inner tube rotates to open the feeding port, waits for the material to enter the sampling drill 2, the sealing drill mechanism 3 acts to drive the inner tube to rotate to close the feeding port, the sampling drill grab is pulled out of the ton bag and stopped above the sampling barrel, the sealing drill mechanism 3 acts to drive the inner tube to rotate to open the feeding port, the cylinder of the pushing mechanism in the sampling drill 2 pushes the pushing piston rod to push the material in the sampling drill 2 to fall into the sampling barrel, and the automatic sampling and automatic discharging are completed.

Claims

1. A sample drill grab, characterized by: The application relates to a sampling drill (2) which comprises an outer tube (2-1) and an inner tube (2-2) rotatable relative to the outer tube, a feeding mechanism and a feeding piston rod (2-3) communicated with one end of the sampling drill, and a cylinder (2-5) transmission connected with the feeding piston rod so that the piston rod moves in the sampling drill to discharge materials from the feeding port. The outer tube comprises a bag breaking cone (2-1-1), a stainless steel tube (2-1-2) and a bearing (2-1-3), the bag breaking cone is connected with the stainless steel tube through the bearing, the stainless steel tube is provided with an outer tube feeding port along the axial direction, the inner tube is arranged in the stainless steel tube and is provided with an inner tube feeding port along the axial direction, and the end of the inner tube away from the bag breaking cone is exposed outside the stainless steel tube and is transmission connected with a sealing drill mechanism (3) for driving the inner tube to rotate relative to the outer tube.

2. A sample drill grab according to claim 1, characterised in that: The sealing drill mechanism comprises a push rod (3-1) and a driving cylinder (3-2) for driving the push rod to move in the radial direction of the sampling drill, the push rod is provided with a positioning hole, the positioning hole is connected with a rack through a bolt, the end of the inner tube away from the bag breaking cone is sleeved with a gear (2-4) engaged with the rack, and the driving cylinder is installed on a rack (1).

3. A sample drill grab according to claim 2, characterised in that: The bag breaking cone is provided with a material guiding block (2-1-4).

4. A sample drill grab according to claim 2, wherein: The rack is provided with a 3D visual camera (4) signal connected with the feeding mechanism and the sealing drill mechanism.

5. A sample drill grab according to claim 3, wherein: The sampling drill is provided in plurality, and the plurality of sampling drills are distributed on the rack.

6. A sample drill grab according to claim 3, wherein: The feeding mechanism and the sealing drill mechanism are signal connected with a control system.

7. A sample drill grab according to claim 3, wherein: The control system is a PLC control system.

8. A sample drill grab according to claim 7, characterised in that: The rack is provided with a mounting flange (5).

9. A sample drill grab according to claim 3, wherein: ​

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