Tool for drawing holes in flute-shaped pipe

Abstract

The utility model relates to the technical field of flute processing, and discloses a flute-shaped pipe hole drawing tool which comprises a positioning rod coaxially arranged in a flute-shaped pipe, the positioning rod is detachably and fixedly connected with the flute-shaped pipe, a plurality of counter bores are formed in the positioning rod in the length direction, and the counter bores correspond to the positions of flute-shaped pipe hole drawing. A hole pulling block is arranged in the counter bore, and the connecting tool is detachably connected with the rotary stretching device and the hole pulling block. The flute-shaped pipe drilling tool is convenient for drilling a flute-shaped pipe.

Description

Technical Field

[0001] The utility model relates to the technical field, in particular to a tool for extracting a hole of a flute. Background Art

[0002] When processing a flute tube, firstly, a row of holes is drilled on the flute tube according to the requirements, and then the flute tube needs to be pierced so that the edge of the drilled hole is higher than the edge of the flute tube by a certain distance, so as to facilitate the installation of keys for playing. The existing processing method is to pierce the holes manually, which is not only slow, but also the holes pierced by manual piercing are sometimes irregular, which is not convenient for the subsequent key installation. In order to solve the above technical problems, improve the piercing efficiency and reduce the defective rate, a flute tube piercing tool is needed. Utility Model Content

[0003] The utility model aims to provide a tool for extracting holes in a flute-shaped pipe, which has the effect of improving the extraction efficiency.

[0004] The above technical objectives of the utility model are achieved through the following technical solutions:

[0005] A tool for extracting a hole for a flute tube comprises a positioning rod coaxially arranged inside the flute tube, the positioning rod is detachably fixedly connected to the flute tube, a plurality of countersunk holes are arranged on the positioning rod along the length direction, the plurality of countersunk holes correspond to the positions of the holes for extracting the flute tube, a hole extracting block is arranged in the countersunk hole, and the tool also comprises a rotary stretching device and a connecting tool, the connecting tool is detachably connected to the rotary stretching device and the hole extracting block.

[0006] As a further configuration of the utility model, the connecting tool comprises a connecting rod, the bottom of the connecting rod is detachably connected to the hole extraction block, and the top of the connecting rod is detachably connected to the rotary stretching device.

[0007] As a further configuration of the utility model, a thread is provided at the bottom of the connecting rod, a connecting hole is coaxially provided at the center of the hole-pulling block, and the connecting hole is threadedly connected to the connecting rod.

[0008] As a further configuration of the utility model, a clamping rod is symmetrically arranged on the top of the connecting rod, and the rotary stretching device includes a sleeve arranged on the working end, and vertical sliding grooves are symmetrically opened on the side of the sleeve, and a clamping groove is horizontally opened on the top of the sliding groove along the side of the sleeve, and the clamping rod can pass through the sliding groove and clamp with the clamping groove.

[0009] As a further configuration of the utility model, an auxiliary positioning sleeve is arranged on the outer side of the connecting rod, and the auxiliary positioning sleeve is used to keep the connecting rod vertical, and the auxiliary positioning sleeve is detachably connected to the connecting rod.

[0010] As a further configuration of the utility model, the bottom of the auxiliary positioning sleeve is configured as an arc-shaped surface matching the surface of the flute tube.

[0011] As a further configuration of the utility model, a vertical through hole matching with the connecting rod is arranged at the center of the auxiliary positioning sleeve.

[0012] As a further configuration of the utility model, a fixing hole is radially arranged on the side edge of the auxiliary positioning sleeve, the fixing hole is communicated with the through hole, and a fixing rod is threadedly connected in the fixing hole.

[0013] As a further configuration of the utility model, threads are provided at both ends of the positioning rod, and support blocks are threadedly connected at both ends of the positioning rod, and the size of the support block matches the inner diameter of the flute tube. The outer side of the support block is threadedly connected to a fixing block, and the size of the fixing block is larger than the outer diameter of the flute tube.

[0014] As a further configuration of the utility model, a limiting plate is fixedly provided on the inner side of the supporting block of the positioning rod.

[0015] The beneficial effects of the utility model are:

[0016] During operation, first select a suitable support block and a positioning rod to connect according to the inner diameter and outer diameter of the flute tube, then insert the positioning rod into the flute tube, align the hole-pulling block in the positioning rod with the drilled hole on the flute tube, and then fix the flute tube with the fixing block, then fix the entire positioning rod and the flute tube, then align the auxiliary positioning sleeve with the drilled hole on the flute tube, and then pass the connecting rod through the auxiliary positioning sleeve and threadedly connect it with the hole-pulling block, then tighten the fixing rod to abut against the outer side of the connecting rod to fix the connecting rod, and then connect the sleeve on the rotary stretching device with the clamping rod on the connecting rod, so that the rotary stretching device and the hole-pulling block can be connected, and then the rotary stretching device can be started to pull the hole-pulling block, and the hole-pulling block pulls the hole of the flute tube during the rotating and rising process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0019] Figure 2 yes Figure 1 Schematic diagram of the structure of part A;

[0020] Figure 3 yes Figure 1 Schematic diagram of the structure without the flute;

[0021] Figure 4 It is a schematic diagram of the cross-section structure of the connecting tooling;

[0022] In the figure, 1. positioning rod, 11. countersunk hole, 12. supporting block, 13. fixing block, 14. limiting plate, 2. pulling hole block, 3. connecting tooling, 31. connecting rod, 32. clamping rod, 33. sleeve, 331. slide groove, 332. clamping groove, 34. auxiliary positioning sleeve, 341. fixing hole, 342. fixing rod. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example

[0025] A tool for extracting holes for a flute-shaped pipe, comprising a positioning rod 1 coaxially arranged inside the flute-shaped pipe, the positioning rod 1 being detachably fixedly connected to the flute-shaped pipe, a plurality of countersunk holes 11 being arranged along the length direction of the positioning rod 1, the plurality of countersunk holes 11 corresponding to the positions of the holes for extracting holes for the flute-shaped pipe, a hole extracting block 2 being arranged in the countersunk holes 11, and a rotary stretching device and a connecting tool 3, the connecting tool 3 being detachably connected to the rotary stretching device and the hole extracting block 2. It should be noted that the rotary stretching device in this embodiment is a prior art, and the working end can realize rotation and can rise and fall at the same time.

[0026] Furthermore, the connecting tool 3 includes a connecting rod 31, the bottom of the connecting rod 31 is detachably connected to the hole-pulling block 2, and the top of the connecting rod 31 is detachably connected to the rotary stretching device.

[0027] Furthermore, a thread is provided at the bottom of the connecting rod 31 , and a connecting hole is coaxially provided at the center of the hole-pulling block 2 , and the connecting hole is threadedly connected to the connecting rod 31 .

[0028] Furthermore, a clamping rod 32 is symmetrically arranged at the top of the connecting rod 31, and the rotary stretching device includes a sleeve 33 arranged at the working end, and a vertical slide groove 331 is symmetrically opened on the side of the sleeve 33, and a clamping groove 332 is horizontally opened at the top of the slide groove 331 along the side of the sleeve 33, and the clamping rod 32 can pass through the slide groove 331 and clamp with the clamping groove 332.

[0029] Furthermore, an auxiliary positioning sleeve 34 is provided on the outer side of the connecting rod 31 . The auxiliary positioning sleeve 34 is used to keep the connecting rod 31 vertical. The auxiliary positioning sleeve 34 is detachably connected to the connecting rod 31 .

[0030] Furthermore, the bottom of the auxiliary positioning sleeve 34 is configured to be an arc-shaped surface that matches the surface of the flute.

[0031] Furthermore, a vertical through hole matching with the connecting rod 31 is provided at the center of the auxiliary positioning sleeve 34 .

[0032] Furthermore, a fixing hole 341 is radially arranged on the side edge of the auxiliary positioning sleeve 34 , the fixing hole 341 is communicated with the through hole, and a fixing rod 342 is threadedly connected in the fixing hole 341 .

[0033] Furthermore, threads are provided at both ends of the positioning rod 1, and support blocks 12 are threadedly connected at both ends of the positioning rod 1, and the size of the support block 12 matches the inner diameter of the flute tube. The outer side of the support block 12 is threadedly connected to a fixing block 13, and the size of the fixing block 13 is larger than the outer diameter of the flute tube.

[0034] Furthermore, a limiting plate 14 is fixedly provided on the inner side of the positioning rod 1 and the supporting block 12 .

[0035] The working principle of this embodiment:

[0036] During operation, firstly, according to the inner diameter and outer diameter of the flute tube, a suitable support block 12 is selected to connect with the positioning rod 1, then the positioning rod 1 is inserted into the flute tube, the hole-pulling block 2 in the positioning rod 1 is aligned with the drilled hole on the flute tube, and then the flute tube is fixed with the fixing block 13, then the entire positioning rod 1 and the flute tube are fixed, then the auxiliary positioning sleeve 34 is aligned with the drilled hole on the flute tube, and then the connecting rod 31 is passed through the auxiliary positioning sleeve 34 and threadedly connected with the hole-pulling block 2, then the fixing rod 342 is tightened to abut against the outer side surface of the connecting rod 31 to fix the connecting rod 31, and then the sleeve 33 on the rotary stretching device is connected to the clamping rod 32 on the connecting rod 31, so that the rotary stretching device and the hole-pulling block 2 can be connected, and then the rotary stretching device can be started to pull the hole-pulling block 2, and the hole-pulling block 2 pulls the hole of the flute tube during the rotating and rising process.

Claims

1. A tool for extracting a hole for a flute tube, characterized in that: The invention comprises a positioning rod (1) coaxially arranged inside a flute-shaped tube, the positioning rod (1) being detachably fixedly connected to the flute-shaped tube, a plurality of countersunk holes (11) being arranged on the positioning rod (1) along the length direction, the plurality of countersunk holes (11) corresponding to the positions of the extraction holes of the flute-shaped tube, an extraction hole block (2) being arranged in the countersunk holes (11), and further comprising a rotary stretching device and a connecting tool (3), the connecting tool (3) being detachably connected to the rotary stretching device and the extraction hole block (2).

2. The tool for extracting a hole for a flute according to claim 1, characterized in that: The connecting tool (3) comprises a connecting rod (31), the bottom of the connecting rod (31) is detachably connected to the hole extraction block (2), and the top of the connecting rod (31) is detachably connected to the rotary stretching device.

3. The tool for extracting a hole for a flute pipe according to claim 2, characterized in that: The bottom of the connecting rod (31) is provided with a thread, and the center of the hole extraction block (2) is coaxially provided with a connecting hole, and the connecting hole is threadedly connected to the connecting rod (31).

4. A tool for extracting a hole for a flute according to any one of claims 2 or 3, characterized in that: A clamping rod (32) is symmetrically arranged at the top of the connecting rod (31), and the rotary stretching device includes a sleeve (33) arranged at the working end, and a vertical sliding groove (331) is symmetrically opened on the side of the sleeve (33), and a clamping groove (332) is horizontally opened at the top of the sliding groove (331) along the side of the sleeve (33), and the clamping rod (32) can pass through the sliding groove (331) and be clamped with the clamping groove (332).

5. The tool for extracting a hole for a flute according to claim 2, characterized in that: An auxiliary positioning sleeve (34) is arranged on the outside of the connecting rod (31), and the auxiliary positioning sleeve (34) is used to keep the connecting rod (31) vertical. The auxiliary positioning sleeve (34) is detachably connected to the connecting rod (31).

6. The tool for extracting a hole for a flute according to claim 5, characterized in that: The bottom of the auxiliary positioning sleeve (34) is configured as an arc-shaped surface matching the surface of the flute tube.

7. The tool for extracting a hole for a flute according to claim 5, characterized in that: The auxiliary positioning sleeve (34) is provided at its center with a vertical through hole that matches the connecting rod (31).

8. The tool for extracting a hole for a flute according to claim 7, characterized in that: A fixing hole (341) is radially arranged on the side edge of the auxiliary positioning sleeve (34); the fixing hole (341) is communicated with the through hole; and a fixing rod (342) is threadedly connected in the fixing hole (341).

9. The tool for extracting a hole for a flute according to claim 1, characterized in that: Therefore, threads are provided at both ends of the positioning rod (1), and support blocks (12) are threadedly connected at both ends of the positioning rod (1), and the size of the support block (12) matches the inner diameter of the flute tube. A fixing block (13) is threadedly connected to the outer side of the support block (12), and the size of the fixing block (13) is larger than the outer diameter of the flute tube.

10. The tool for extracting a hole for a flute according to claim 9, characterized in that: The positioning rod (1) is located inside the support block (12) and a limiting plate (14) is fixedly arranged thereon.

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