Pick cylinder drill convenient to clean

The detachable inner and outer barrel structures and spiral guide plate design solve the problem of residual mud on the outer wall of the pick barrel drill, achieve efficient cleaning and stable drill bit installation, and improve drilling efficiency and quality.

CN223410792UActive Publication Date: 2025-10-03GUANGXI OUZUAN MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202422816445.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-10-03
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

During use, the existing pick barrel drill may retain dirt and impurities on the outer wall due to the integrated installation method, which affects the practicality and drilling quality.

Method used

The detachable inner and outer cylinder structure, combined with a spiral guide plate and a variety of connecting components, enables the quick disassembly and cleaning of the inner cylinder. The spiral guide plate guides the discharge of drill cuttings, the through hole assists in the discharge of drill cuttings, and the connecting components ensure the stability and convenient installation of the drill bit.

Benefits of technology

It improves the practicability and cleaning efficiency of the drill bit, prolongs its service life, ensures the drilling quality and accuracy, and expands the scope of application.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cutting tooth cylindrical drills, and discloses a cutting tooth cylindrical drill convenient to clean, which comprises an outer cylinder, an inner cylinder is mounted in the outer cylinder, discharge holes are formed in the outer cylinder and the inner cylinder in a penetrating manner, an air outlet hole is formed in one side, far away from the discharge holes, of the outer cylinder in a penetrating manner, and a through hole is formed in one side of the inner part of the outer cylinder in a penetrating manner. A spiral guide plate is fixedly connected to one side of the outer wall of the outer cylinder and one side of the outer wall of the inner cylinder, a mounting assembly is mounted on the upper surface of the outer cylinder, drill bits are arranged on the lower sides of the interiors of the outer cylinder and the inner cylinder, and a connecting assembly for fixing the inner cylinder is mounted on the upper surface of the inner cylinder. According to the cutting tooth barrel drill, the cutting tooth barrel drill is installed on the driving machine through the first installation barrel and the first installation hole, the driving machine drives the outer barrel, the inner barrel and the drill bit to rotate, and rock girdling, crushing and coring are achieved; the inner cylinder can be taken out after the gasket is taken out, so that the outer cylinder and the outer wall of the inner cylinder are convenient to clean, and the practicability of the drill bit is enhanced.
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Description

Technical Field

[0001] The utility model relates to the technical field of pick barrel drills, in particular to a pick barrel drill which is easy to clean. Background Art

[0002] A pick drill cartridge is a specialized tool used in drilling projects. It consists of a barrel with regularly spaced picks. The barrel is strong and rigid, while the picks are made of wear-resistant materials such as cemented carbide. Easy-to-clean pick drill cartridges improve efficiency and reduce interruptions to drilling operations caused by cuttings. They also extend service life by preventing cuttings from accumulating and causing wear and damage to the picks. They ensure drilling quality and prevent cuttings from affecting accuracy. They also adapt to the diverse cuttings cleaning requirements of various working conditions, expanding their scope of application.

[0003] The existing pick barrel drill is mainly composed of a barrel and picks regularly distributed on the surface of the barrel during use, and then the pick barrel drill is installed on a driving machine for operation. The existing pick barrel drill is installed on the outer wall of the barrel by welding or other integrated installation methods. Due to long-term use, a large amount of dirt and impurities will remain on the outer wall of the pick barrel drill, which will affect subsequent work and reduce the practicality of the pick barrel drill. Therefore, a pick barrel drill that is easy to clean is proposed to solve the above problem. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a pick barrel drill that is easy to clean, aiming to improve the problem that the installation method in the prior art usually adopts an integrated fixed installation, which is not convenient for cleaning the internal structure and thus affects the subsequent use of the pick barrel drill.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pick barrel drill that is easy to clean, comprising an outer barrel, an inner barrel installed inside the outer barrel, a discharge hole penetrated through the inner barrels of the outer barrel and the inner barrel, an air outlet hole penetrated through the side of the outer barrel away from the discharge hole, a through hole penetrated through the inner barrel on one side, a spiral guide plate fixedly connected to one side of the outer barrel and the outer wall of the inner barrel, an assembly for mounting is installed on the upper surface of the outer barrel, a drill bit is provided on the lower side of the inner barrel and the outer barrel, and a connecting assembly for fixing the inner barrel is installed on the upper surface of the inner barrel;

[0006] The mounting assembly includes a mounting tube 1, a lower surface of which is fixedly connected to the upper surface of the outer tube, a mounting hole 1 is opened through one side of the interior of the mounting tube 1, a support plate is fixedly connected to one side of the outer wall of the mounting tube 1, and a hanging hole is opened through the interior of the support plate.

[0007] Furthermore, the connecting assembly includes a connecting column, the lower surface of which is fixedly connected to the upper surface of the inner cylinder, the upper surface of which is fixedly connected with a mounting bolt 1, the outer wall of which passes through the interior of the outer cylinder, the outer wall of which is threadedly connected with a fastening nut 1, and a gasket is provided on the lower surface of the fastening nut.

[0008] Furthermore, the outer tube and the inner tube are both fixedly connected with a second mounting tube, a mounting groove is provided inside the second mounting tube, a positioning hole is provided through the second mounting tube, and a disassembly component for facilitating the disassembly of the drill bit is installed on the outer wall of the drill bit.

[0009] Furthermore, the disassembly assembly includes a positioning column, one side of the outer wall of the positioning column is fixedly connected to the outer wall of the drill bit, the outer wall of the positioning column is fixedly connected with a second mounting bolt, and the outer wall of the second mounting bolt is threadedly connected with a second mounting nut.

[0010] Furthermore, a plurality of the spiral guide plates are arranged in a linear manner, and the through holes are provided between the plurality of the spiral guide plates.

[0011] Furthermore, the lower surface of the gasket is attached to the upper surface of the outer cylinder, and the gasket is used to increase the contact area of ​​the fastening nut.

[0012] Furthermore, the outer wall of the positioning column is slidably connected to the inner wall of the installation groove, and the installation groove is used to position the positioning column.

[0013] Furthermore, the second mounting bolt is provided through the inner wall of the positioning hole, and the positioning hole is used for quickly positioning the second mounting bolt.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the mounting cylinder 1 and the mounting hole 1 are installed on the driving machine. At this time, the outer cylinder, the inner cylinder and the drill bit are driven to rotate, thereby effectively cutting the rock, releasing the rock confining pressure, and achieving the effects of crushing and coring. At the same time, the fastening nut 1 is unscrewed from the outer wall of the mounting bolt 1, and the gasket is removed from the outer wall of the mounting bolt 1, thereby removing the inner cylinder, and then achieving the effect of cleaning the outer cylinder and the outer wall of the inner cylinder, thereby improving the practicality of the drill bit.

[0016] 2. In the utility model, the positioning column on one side of the drill bit is quickly installed in the interior of the mounting tube 2 through the mounting groove. At this time, the positioning hole is guided to drive the drill bit to quickly install the positioning hole in the interior of the mounting tube 2. At this time, the mounting nut 2 is screwed onto the outer wall of the mounting bolt 2. Through the cooperation of the mounting nut 2, the drill bit can be quickly installed and disassembled, thereby improving the practicality of the drill bit. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a pick barrel drill that is easy to clean proposed by the utility model;

[0018] Figure 2 This is a schematic structural diagram of the inner barrel portion of a pick barrel drill that is easy to clean, as proposed by the present invention;

[0019] Figure 3 This is a schematic structural diagram of a support plate portion of a pick barrel drill that is easy to clean, as proposed by the present invention;

[0020] Figure 4 This is a schematic structural diagram of the gasket portion of a pick barrel drill that is easy to clean, as proposed by the present invention;

[0021] Figure 5 The utility model provides a schematic diagram of the two-part structure of the installation barrel of the pick barrel drill which is easy to clean.

[0022] Legend:

[0023] 1. Outer tube; 2. Inner tube; 3. Discharge hole; 4. Air outlet; 5. Through hole; 6. Spiral guide plate; 7. Mounting tube one; 8. Mounting hole one; 9. Support plate; 10. Lifting hole; 11. Drill bit; 12. Connecting column; 13. Mounting bolt one; 14. Fastening nut one; 15. Gasket; 16. Mounting tube two; 17. Mounting groove; 18. Positioning hole; 19. Positioning column; 20. Mounting bolt two; 21. Mounting nut two. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Reference Figure 1 - Figure 5The present invention provides an embodiment of a pick barrel drill that is easy to clean, comprising an outer barrel 1, which is the external protection structure of the entire pick barrel drill and provides a mounting base and support for the internal components to ensure stable operation of the internal components. An inner barrel 2 is installed inside the outer barrel 1, and the inner barrel 2 cooperates with the outer barrel 1 to play an important role in the drilling process. The inner barrel 2 can be used to assist in guiding the drill cuttings and other functions. A discharge hole 3 is provided throughout the outer barrel 1 and the inner barrel 2. The discharge hole 3 is used to discharge the drill cuttings generated during the drilling process, so that the drill cuttings can be discharged from the barrel in time to avoid accumulation affecting the drilling operation. An air outlet 4 is provided on the side of the outer barrel 1 away from the discharge hole 3. The air outlet 4 can balance the air pressure in the barrel, which helps to maintain the internal airflow stability when the drill cuttings are discharged, so that the drill cuttings can be discharged smoothly. The discharge is smoother, and a through hole 5 is opened on one side of the inner part of the outer cylinder 1. The through hole 5 can be used as another channel for discharging drill cuttings, and can also be used to install some auxiliary cleaning or other function components. A spiral guide plate 6 is fixedly connected to one side of the outer wall of the outer cylinder 1 and the inner cylinder 2. The spiral guide plate 6 can guide the drill cuttings to move in a spiral direction when the pick barrel rotates, so that the drill cuttings are gathered and discharged to the discharge hole 3. A mounting assembly is installed on the upper surface of the outer cylinder 1. The mounting assembly is used to install the pick barrel drill on the corresponding equipment. A drill bit 11 is provided on the lower side of the outer cylinder 1 and the inner cylinder 2. The drill bit 11 is a key component that directly contacts and crushes the material being drilled. It crushes rocks and other materials through rotation and axial feed movement. A connecting assembly for fixing the inner cylinder 2 is installed on the upper surface of the inner cylinder 2;

[0026] The mounting assembly includes a mounting cylinder 7, the lower surface of which is fixedly connected to the upper surface of the outer cylinder 1. The mounting cylinder 7 is the main part of the entire mounting assembly and is used to carry and fix other related components. A mounting hole 8 is provided on one side of the interior of the mounting cylinder 7. The mounting hole 8 is used to install connecting bolts and other components to realize the connection between the pick barrel drill and external equipment. A support plate 9 is fixedly connected to one side of the outer wall of the mounting cylinder 7. The support plate 9 can increase the stability and strength of the mounting cylinder 7 and provide support for other functional components. A lifting hole 10 is provided inside the support plate 9. The lifting hole 10 is convenient for lifting the pick barrel drill using lifting equipment, so that it is easy to move or install between different work sites. The connecting assembly includes a connecting column 12, the lower surface of the connecting column 12 is fixedly connected to the upper surface of the inner cylinder 2, and the connecting column 12 serves to connect the inner cylinder 2 and the upper components. The inner cylinder 2 is connected to the mounting bolt 13 and other components. The upper surface of the connecting column 12 is fixedly connected with a mounting bolt 13. The mounting bolt 13 is used to pass through the interior of the outer cylinder 1 and cooperate with the fastening nut 14 to fix the inner cylinder 2 and ensure the stable position of the inner cylinder 2 during operation. The outer wall of the mounting bolt 13 is penetrated and arranged inside the outer cylinder 1. The outer wall of the mounting bolt 13 is threadedly connected with a fastening nut 14. The fastening nut 14 is tightly fixed to the outer cylinder 1 through the threaded connection with the mounting bolt 13 to prevent the inner cylinder 2 from shaking or displacing during the drilling process. A gasket 15 is provided on the lower surface of the fastening nut 14. The gasket 15 can increase the contact area between the fastening nut 14 and the outer cylinder 1, make the fastening force distribution more even, prevent the outer cylinder 1 from being damaged due to concentrated fastening force, and also enhance the stability of the connection.

[0027] Reference Figure 1 - Figure 5, the outer cylinder 1 and the inner cylinder 2 are fixedly connected with the mounting cylinder 2 16, the mounting cylinder 2 16 provides a mounting position and support structure for subsequent components, the mounting cylinder 2 16 has a mounting groove 17, the mounting groove 17 is used to position the positioning column 19, which can ensure that the positioning column 19 is accurately positioned in the mounting cylinder 2 16, making the drill bit 11 more firmly installed, and the mounting cylinder 2 16 has a positioning hole 18 running through it. The positioning hole 18 is used to quickly position the mounting bolt 20, which helps to improve the convenience and accuracy of the installation of the mounting bolt 20 , so as to facilitate the installation of the drill bit 11, the outer wall of the drill bit 11 is installed with a disassembly component that is convenient for disassembling the drill bit 11; the disassembly component includes a positioning column 19, which is a key component connecting the drill bit 11 and the mounting tube 2 16. One side of its outer wall is fixedly connected to the outer wall of the drill bit 11 to ensure the relative position relationship between the drill bit 11 and the mounting tube 2 16. The outer wall of the positioning column 19 is fixedly connected with a mounting bolt 20, which is used to cooperate with the mounting nut 21 to achieve the tightening of the drill bit 11. The outer wall of the mounting bolt 20 is threadedly connected with Install the nut 21. By tightening the mounting nut 21, the drill bit 11 can be firmly installed on the mounting cylinder 16. When disassembly is required, loosen the mounting nut 21. There are multiple spiral guide plates 6 arranged in a linear manner. The spiral guide plates 6 can guide the drill cuttings to move along a specific path during the drilling process, so that the drill cuttings can be discharged more smoothly. The through hole 5 is arranged between the multiple spiral guide plates 6. The through hole 5 helps to discharge the drill cuttings and cooperates with the spiral guide plates 6 to further optimize the effect of drill cuttings discharge. The lower surface of the gasket 15 fits on the outer cylinder 1, the gasket 15 is used to increase the contact area of ​​the fastening nut 14, so that the fastening force of the fastening nut 14 on the connected parts is more evenly distributed to prevent the parts from loosening or damage. The outer wall of the positioning column 19 is slidably connected to the inner wall of the installation groove 17. The installation groove 17 is used to position the positioning column 19 to ensure that the drill bit 11 is accurately positioned during the installation process and the accuracy of the drilling. The second mounting bolt 20 is set through the inner wall of the positioning hole 18. The positioning hole 18 is used to quickly position the second mounting bolt 20 to improve installation efficiency and accuracy.

[0028] Working principle: When the pick barrel drill is needed, the outer barrel 1 and the inner barrel 2 are installed on the driving machine by placing the pick 7 close to the driving end of the driving machine, and then the outer barrel 1 and the inner barrel 2 are installed on the driving machine through the cooperation of the mounting hole 18. At this time, the outer barrel 1 and the inner barrel 2 are driven by the driving machine to rotate, thereby achieving the effect of rapid ring cutting of rocks. After long-term use, the inner barrel 2 can be taken out from the inside of the outer barrel 1 by rotating the fastening nut 14 to disengage the mounting bolt 13, thereby achieving the effect of efficiently cleaning the outer barrel 1 and the inner barrel 2.

[0029] Secondly, when the drill bit 11 needs to be replaced, the mounting nut 21 is rotated to disengage the mounting nut 21 from the outer wall of the mounting bolt 20, thereby achieving the effect of driving the drill bit 11 to drive the positioning column 19 to disengage from the inner wall of the mounting groove 17. At this time, after the mounting bolt 20 is disengaged from the inner wall of the positioning hole 18, the drill bit 11 can be quickly disassembled and replaced.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pick barrel drill that is easy to clean, comprising an outer barrel (1), characterized in that: An inner cylinder (2) is installed inside the outer cylinder (1), and a discharge hole (3) is provided inside both the outer cylinder (1) and the inner cylinder (2), and an air outlet hole (4) is provided on the side of the outer cylinder (1) away from the discharge hole (3). A through hole (5) is provided on one side of the inner cylinder (1), and a spiral guide plate (6) is fixedly connected to one side of the outer wall of the outer cylinder (1) and the inner cylinder (2). A mounting assembly is installed on the upper surface of the outer cylinder (1), and a drill bit (11) is provided on the lower side of the inner cylinder (1) and the inner cylinder (2). A connecting assembly for fixing the inner cylinder (2) is installed on the upper surface of the inner cylinder (2); The mounting assembly comprises a mounting tube (7), the lower surface of the mounting tube (7) being fixedly connected to the upper surface of the outer tube (1), a mounting hole (8) being provided through one side of the interior of the mounting tube (7), a support plate (9) being fixedly connected to one side of the outer wall of the mounting tube (7), and a hanging hole (10) being provided through the interior of the support plate (9).

2. The easy-to-clean pick barrel drill according to claim 1, characterized in that: The connecting assembly includes a connecting column (12), the lower surface of the connecting column (12) is fixedly connected to the upper surface of the inner tube (2), the upper surface of the connecting column (12) is fixedly connected with a mounting bolt (13), the outer wall of the mounting bolt (13) is arranged to pass through the interior of the outer tube (1), the outer wall of the mounting bolt (13) is threadedly connected with a fastening nut (14), and the lower surface of the fastening nut (14) is provided with a gasket (15).

3. The easy-to-clean pick barrel drill according to claim 2, characterized in that: The outer cylinder (1) and the inner cylinder (2) are both fixedly connected with a second mounting cylinder (16), a mounting groove (17) is provided inside the second mounting cylinder (16), a positioning hole (18) is provided through the inside of the second mounting cylinder (16), and a disassembly assembly for facilitating the disassembly of the drill bit (11) is installed on the outer wall of the drill bit (11).

4. The easy-to-clean pick barrel drill according to claim 3, characterized in that: The disassembly assembly includes a positioning column (19), one side of the outer wall of the positioning column (19) is fixedly connected to the outer wall of the drill bit (11), the outer wall of the positioning column (19) is fixedly connected with a second mounting bolt (20), and the outer wall of the second mounting bolt (20) is threadedly connected with a second mounting nut (21).

5. The easy-to-clean pick barrel drill according to claim 1, characterized in that: A plurality of the spiral guide plates (6) are arranged in a linear manner, and the through holes (5) are arranged between the plurality of the spiral guide plates (6).

6. The easy-to-clean pick barrel drill according to claim 3, characterized in that: The lower surface of the gasket (15) is attached to the upper surface of the outer cylinder (1), and the gasket (15) is used to increase the contact area of ​​the fastening nut (14).

7. The easy-to-clean pick barrel drill according to claim 4, characterized in that: The outer wall of the positioning column (19) is slidably connected to the inner wall of the installation groove (17), and the installation groove (17) is used to position the positioning column (19).

8. The easy-to-clean pick barrel drill according to claim 4, characterized in that: The second mounting bolt (20) is arranged to penetrate the inner wall of the positioning hole (18), and the positioning hole (18) is used to quickly position the second mounting bolt (20).