End support for milling three-edge spiral groove of drill rod

Abstract

The utility model relates to the field of mining machinery, and discloses an end support for milling a three-edged spiral groove of a drill rod, which comprises a fixing device, the fixing device comprises a supporting seat, two limiting plates are symmetrically fixed at the bottom of the supporting seat, clamping plates are mounted at the bottoms of the limiting plates, and the clamping plates are fixed on the supporting seat. The width of the clamping plate is slightly greater than that of the limiting plate; the clamping device comprises a pressing plate and an adapter used for firmly clamping a drill rod, the pressing plate is arranged at the top of the supporting base, one end of the pressing plate is rotationally connected with one end of the top of the supporting base, the other end of the pressing plate is connected with the other end of the top of the supporting base through a connecting piece, and a first arc-shaped groove is formed in the pressing plate; a second arc-shaped groove is formed in the top of the supporting seat, and the adapter is installed in a circular through hole formed by the first arc-shaped groove and the second arc-shaped groove. According to the drilling rod milling machine, the fixing device, the clamping device and the machine tool work cooperatively, and efficient and high-precision milling machining of a drilling rod is achieved.

Description

Technical Field

[0001] The utility model relates to the field of mining machinery, in particular to an end bracket used for milling a drill rod to process a triangular spiral groove. Background Art

[0002] In mining, drill rods are key tools for drilling operations. The performance of drill rods directly affects drilling efficiency and safety. In order to improve the mechanical properties and wear resistance of drill rods, it is often necessary to process specific spiral grooves on the surface of drill rods, such as triangular spiral grooves. However, existing processing methods are often inefficient and difficult to ensure processing accuracy, which cannot meet the needs of large-scale production. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide an end bracket for milling a triangular spiral groove on a drill rod, aiming to solve the problems of low efficiency and difficulty in ensuring accuracy of existing processing methods.

[0004] In order to achieve the above utility model purpose, the technical solution adopted is as follows:

[0005] An end bracket for milling a drill rod to process a triangular spiral groove, comprising:

[0006] A fixing device, the fixing device comprises a support seat, two limit plates are symmetrically fixed at the bottom of the support seat, a clamping plate is installed at the bottom of the limit plate, and the width of the clamping plate is slightly larger than the width of the limit plate. The fixing device is fixed on the machine tool through the cooperation of the support seat of the clamping plate to ensure that the processing process is not offset, and the position on the machine tool can also be adjusted, thereby increasing the processing stability and accuracy, and the straightness is good;

[0007] The clamping device includes a pressure plate and a conversion head for firmly clamping the drill rod, wherein the pressure plate is arranged on the top of the support seat, and one end of the pressure plate is rotatably connected to one end of the top of the support seat, and the other end is connected to the other end of the top of the support seat through a connecting piece, and a first arc groove is provided on the pressure plate, and a second arc groove is provided on the top of the support seat, and the conversion head is installed in a circular through hole formed by the first arc groove and the second arc groove. The drill rod can be firmly clamped by the conversion head to ensure the stability of the drill rod during processing, and a suitable conversion head aperture can be selected according to the material and size of the drill rod.

[0008] As a further improvement of the utility model, the support seat includes a support base plate and a support vertical plate vertically fixed on the support base plate.

[0009] As a further improvement of the present invention, triangular reinforcing plates are symmetrically fixed between the supporting bottom plate and the supporting vertical plate.

[0010] As a further improvement of the utility model, an adjustment long hole is opened on the clamping plate, and the length direction of the adjustment long hole is parallel to the width direction of the clamping plate, and an adjustment bolt is installed in the adjustment long hole, and the adjustment bolt passes through the clamping plate, the limit plate and the supporting base plate in sequence and is threadedly connected with an adjustment nut. The setting of the adjustment long hole facilitates fine-tuning of the position of the clamping plate. When the fixing device is installed on the machine tool, the guide rail of the machine tool is located between the clamping plate and the supporting base plate and the guide rail is located on the side opposite to the two limit plates. Since the width of the clamping plate is slightly larger than the width of the limit plate, the stability of the fixing device can be guaranteed to prevent it from shaking during processing.

[0011] As a further improvement of the present invention, a handle is installed on one side of the pressing plate close to the connecting piece, and the arrangement of the handle facilitates opening the pressing plate.

[0012] As a further improvement of the present invention, the handle is a U-shaped handle.

[0013] As a further improvement of the utility model, the connecting piece includes a locking bolt, a first slot is opened on the pressure plate, a second slot is opened on the top of the support seat, the lower end of the locking bolt is fixed in the second slot by a pin shaft, and the upper end passes through the first slot and is threadedly connected with a locking nut.

[0014] As a further improvement of the present invention, the conversion head is in a circular ring structure, including two symmetrically arranged arc-shaped clamping parts, the arc-shaped clamping part including an arc-shaped clamping plate located in the first arc-shaped groove / second arc-shaped groove, one end of the arc-shaped clamping plate is coaxially connected to an arc-shaped mounting plate for fixing on the pressure plate / support seat, and the other end is coaxially connected to an arc-shaped top plate for limiting the end of the drill rod, and the inner diameter of the arc-shaped top plate is smaller than the inner diameter of the arc-shaped clamping plate. The setting of the arc-shaped top plate can tighten and limit the end of the drill rod to prevent the drill rod from moving back and forth along its length during milling.

[0015] As a further improvement of the present invention, an arc-shaped groove is provided on the inner side of the arc-shaped clamping plate and close to the arc-shaped top plate, so as to limit one end of the drill rod.

[0016] The beneficial effect of the utility model is that the utility model realizes efficient and high-precision milling processing of the drill rod through the cooperation of the fixing device, the clamping device and the machine tool. At the same time, the utility model has a simple structure, convenient operation, and is easy to apply on the existing production line. When the drill rod is long, multiple end brackets can be used. When multiple end brackets are used, the end bracket located in the middle of the drill rod can be provided with an arc top plate, and only the end bracket located at the end of the drill rod needs to be provided with an arc top plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0020] Figure 3 This is a schematic diagram of the structure of the support seat involved in the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the fixing device involved in the utility model;

[0022] Figure 5 The utility model is a schematic diagram of the structure of the conversion head.

[0023] In the figure: 1. fixing device, 11. supporting seat, 12. limiting plate, 13. clamping plate, 14. supporting bottom plate, 15. supporting vertical plate, 16. triangular reinforcing plate, 17. adjusting long hole, 18. adjusting bolt, 19. adjusting nut, 110. handle, 2. clamping device, 21. pressing plate, 22. conversion head, 23. connecting piece, 24. first arc groove, 25. second arc groove, 26. locking bolt, 27. first clamping groove, 28. second clamping groove, 29. pin shaft, 210 locking nut, 211. arc clamping piece, 212. arc clamping plate, 213. arc mounting plate, 214. arc top plate, 215. arc clamping groove. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0026] like Figure 1-5 As shown, an end bracket for milling a triangular spiral groove on a drill rod comprises:

[0027] A fixing device 1, the fixing device 1 comprises a support seat 11, two limit plates 12 are symmetrically fixed to the bottom of the support seat 11, a clamping plate 13 is installed at the bottom of the limit plate 12, and the width of the clamping plate 13 is slightly larger than the width of the limit plate 12. The fixing device 1 is fixed on the machine tool through the cooperation of the support seat 11 of the clamping plate 13, ensuring that the processing process is not offset, and the position on the machine tool can also be adjusted, thereby increasing the processing stability and accuracy, and the straightness is good;

[0028] The clamping device 2 includes a pressing plate 21 and a conversion head 22 for firmly clamping the drill rod. The pressing plate 21 is arranged on the top of the support seat 11, and one end of the pressing plate 21 is rotatably connected to one end of the top of the support seat 11, and the other end is connected to the other end of the top of the support seat 11 through a connecting member 23. A first arc groove 24 is provided on the pressing plate 21, and a second arc groove 25 is provided on the top of the support seat 11. The conversion head 22 is installed in a circular through hole formed by the first arc groove 24 and the second arc groove 25. The drill rod can be firmly clamped by the conversion head 22 to ensure the stability of the drill rod during processing. The appropriate aperture of the conversion head 22 can be selected according to the material and size of the drill rod.

[0029] The support base 11 includes a support base plate 14 and a support vertical plate 15 vertically fixed on the support base plate 14 .

[0030] A triangular reinforcing plate 16 is symmetrically fixed between the supporting bottom plate 14 and the supporting vertical plate 15 .

[0031] The clamping plate 13 is provided with an adjusting long hole 17, and the length direction of the adjusting long hole 17 is parallel to the width direction of the clamping plate 13, and an adjusting bolt 18 is installed in the adjusting long hole 17, and the adjusting bolt 18 passes through the clamping plate 13, the limit plate 12 and the supporting base plate 14 in sequence and is threadedly connected with an adjusting nut 19. The setting of the adjusting long hole 17 is convenient for fine-tuning the position of the clamping plate 13. When the fixing device 1 is installed on a machine tool, the guide rail of the machine tool is located between the clamping plate 13 and the supporting base plate 14 and the guide rail is located on the opposite side of the two limit plates 12. Since the width of the clamping plate 13 is slightly larger than the width of the limit plate 12, the stability of the fixing device 1 can be guaranteed to prevent it from shaking during processing.

[0032] A handle 110 is installed on one side of the pressing plate 21 close to the connecting piece 23 . The handle 110 is provided to facilitate opening the pressing plate 21 .

[0033] The handle 110 is a U-shaped handle.

[0034] The connecting member 23 includes a locking bolt 26, a first slot 27 is formed on the pressure plate 21, a second slot 28 is formed on the top of the support seat 11, the lower end of the locking bolt 26 is fixed in the second slot 28 by a pin 29, and the upper end passes through the first slot 27 and is threadedly connected with a locking nut 210.

[0035] The conversion head 22 is in a circular ring structure, including two symmetrically arranged arc-shaped clamping parts 211, and the arc-shaped clamping part 211 includes an arc-shaped clamping plate 212 located in the first arc-shaped groove 24 / the second arc-shaped groove 25. One end of the arc-shaped clamping plate 212 is coaxially connected to an arc-shaped mounting plate 213 for fixing on the pressure plate 21 / the support seat 11, and the other end is coaxially connected to an arc-shaped top plate 214 for limiting the end of the drill rod, and the inner diameter of the arc-shaped top plate 214 is smaller than the inner diameter of the arc-shaped clamping plate 212. The setting of the arc-shaped top plate 214 can tighten and limit the end of the drill rod to prevent the drill rod from moving back and forth along its length during milling.

[0036] An arc-shaped top plate 215 is provided on the inner side of the arc-shaped clamping plate 212 and close to the arc-shaped top plate 214 , and is used to limit one end of the drill rod.

[0037] The utility model comprises the following steps when in use: preparing a drill rod to be processed; adjusting the size of a conversion head 22 according to the size of the drill rod and processing requirements; placing the drill rod on a clamping device 2 and firmly clamping it; fixing the end bracket at a suitable position of a machine tool, and using a plurality of the end brackets when necessary; milling the drill rod according to a preset three-sided spiral trajectory; monitoring the position and speed of the tool during the processing to ensure the processing accuracy; and removing the processed drill rod after the processing is completed.

[0038] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and variations. Any modification, equivalent replacement, improvement, component splitting or combination, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An end bracket for milling a triangular spiral groove on a drill rod, characterized in that: include, A fixing device, the fixing device comprising a support seat, two limit plates are symmetrically fixed to the bottom of the support seat, a clamping plate is installed at the bottom of the limit plate, and the width of the clamping plate is slightly larger than the width of the limit plate; The clamping device includes a pressure plate and a conversion head for firmly clamping the drill pipe, wherein the pressure plate is arranged on the top of the support seat, and one end of the pressure plate is rotatably connected to one end of the top of the support seat, and the other end is connected to the other end of the top of the support seat through a connecting piece, a first arc groove is provided on the pressure plate, and a second arc groove is provided on the top of the support seat, and the conversion head is installed in a circular through hole formed by the first arc groove and the second arc groove.

2. The end bracket for milling a triangular spiral groove on a drill rod according to claim 1, characterized in that: The support seat comprises a support base plate and a support vertical plate vertically fixed on the support base plate.

3. The end bracket for milling a triangular spiral groove on a drill rod according to claim 2, characterized in that: A triangular reinforcement plate is symmetrically fixed between the supporting bottom plate and the supporting vertical plate.

4. The end bracket for milling a triangular spiral groove on a drill rod according to claim 2, characterized in that: The clamping plate is provided with an adjustment long hole, and the length direction of the adjustment long hole is parallel to the width direction of the clamping plate. An adjustment bolt is installed in the adjustment long hole. The adjustment bolt passes through the clamping plate, the limit plate and the supporting base plate in sequence and is threadedly connected with an adjustment nut.

5. The end bracket for milling a triangular spiral groove on a drill rod according to claim 1, characterized in that: A handle is installed on one side of the pressing plate close to the connecting piece.

6. The end bracket for milling a triangular spiral groove on a drill rod according to claim 5, characterized in that: The handle is a U-shaped handle.

7. The end bracket for milling a triangular spiral groove on a drill rod according to claim 1, characterized in that: The connecting piece includes a locking bolt, a first slot is formed on the pressure plate, a second slot is formed on the top of the support seat, the lower end of the locking bolt is fixed in the second slot by a pin, and the upper end passes through the first slot and is threadedly connected with a locking nut.

8. The end bracket for milling a triangular spiral groove on a drill rod according to claim 1, characterized in that: The conversion head is in a circular ring structure and includes two symmetrically arranged arc-shaped clamping parts, the arc-shaped clamping part includes an arc-shaped clamping plate located in the first arc-shaped groove / second arc-shaped groove, one end of the arc-shaped clamping plate is coaxially connected to an arc-shaped mounting plate for fixing on the pressure plate / support seat, and the other end is coaxially connected to an arc-shaped top plate, and the inner diameter of the arc-shaped top plate is smaller than the inner diameter of the arc-shaped clamping plate.

9. The end bracket for milling a triangular spiral groove on a drill rod according to claim 8, characterized in that: An arc-shaped clamping groove is provided on the inner side of the arc-shaped clamping plate and close to the arc-shaped top plate.

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