Pipe blank drilling machine

By designing the clamping, fixing, longitudinal and transverse adjustment mechanisms of the tube blank drilling machine, the problem of drilling position offset is solved, accurate drilling of forging rods of different diameters is achieved, and the scope of application of the equipment is expanded.

CN223300923UActive Publication Date: 2025-09-05CHANGZHOU QUANJUN MECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202422691082.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-09-05
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing equipment is difficult to adjust the drilling device, resulting in a deviation of the drilling position, which may damage the workpiece, and it is difficult to adjust the drilling position according to the size and depth of the forging rod.

Method used

A tube blank drilling machine is designed, including a conveying mechanism, a clamping fixing mechanism, a longitudinal adjustment mechanism and a transverse adjustment mechanism, which can fix the forging rod and adjust the height and position of the drilling device to ensure accurate drilling.

Benefits of technology

By clamping the fixing mechanism to fix the forging rod, the longitudinal adjustment mechanism adjusts the height of the drilling device, and the transverse adjustment mechanism ensures the accuracy of the drilling hole, avoids the deviation of the drilling position, adapts to forging rods of different diameters, and expands the scope of use.

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Abstract

The utility model provides a pipe blank drilling machine which comprises a machine frame, a conveying mechanism, a clamping and fixing mechanism, a longitudinal adjusting mechanism, a transverse adjusting mechanism and a drilling device, and the conveying mechanism is installed on the top of the machine frame and used for conveying forged bars; the clamping and fixing mechanism is fixedly installed at the top of the rack and located on one side of the conveying mechanism, the conveying mechanism conveys one end of the forging rod into the clamping and fixing mechanism, and the clamping and fixing mechanism is used for clamping and fixing one end of the forging rod; the longitudinal adjusting mechanism is installed on the rack and located on one side of the clamping and fixing mechanism. The transverse adjusting mechanism is mounted on the longitudinal adjusting mechanism; the drilling device is installed on the transverse mechanism, the longitudinal adjusting mechanism is used for adjusting the height of the drilling device to be aligned with the circle center of a forging rod, the transverse adjusting mechanism is used for pushing the drilling device to move towards the forging rod, and the drilling device is used for drilling the circle center of the forging rod.
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Description

Technical Field

[0001] The utility model relates to the technical field of forging rod processing, in particular to a tube blank drilling machine. Background Art

[0002] In the process of producing forged rods, the forged rods first need to be drilled. During drilling, if the drilling position is offset, it may cause damage to the workpiece. At the same time, the position of the drilling device needs to be adjusted according to different conditions such as the size and depth of the forged rods. However, it is difficult to adjust the drilling device with existing equipment. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a tube blank drilling machine.

[0004] The technical solutions adopted in this utility model are as follows:

[0005] A tube blank drilling machine comprises: a frame; a conveying mechanism, the conveying mechanism being mounted on the top of the frame and being used to convey forged rods; a clamping and fixing mechanism, the clamping and fixing mechanism being fixedly mounted on the top of the frame and being located on one side of the conveying mechanism, the conveying mechanism conveying one end of the forged rod into the clamping and fixing mechanism, the clamping and fixing mechanism being used to clamp and fix one end of the forged rod; a longitudinal adjustment mechanism, the longitudinal adjustment mechanism being mounted on the frame and being located on one side of the clamping and fixing mechanism; a transverse adjustment mechanism, the transverse adjustment mechanism being mounted on the longitudinal adjustment mechanism; a drilling device, the drilling device being mounted on the transverse adjustment mechanism, the longitudinal adjustment mechanism being used to adjust the height of the drilling device to be aligned with the center of the forged rod, the transverse adjustment mechanism being used to push the drilling device toward the forged rod, and the drilling device being used to drill a hole at the center of the forged rod.

[0006] The frame includes: a base plate; a support assembly, two of the support assemblies are symmetrically fixedly installed on the base plate, and a certain distance is left between the two support assemblies. The support assembly includes support frame 1 and support frame 2, and the support frame 1 is vertically fixedly connected to the base plate, and the support frame 2 is fixedly connected to the top of the two support frames 1.

[0007] The conveying mechanism includes: a connecting plate, which is fixedly mounted on the support frame 2; a rotating unit, which is provided with a plurality of rotating units and is fixedly mounted on the connecting plate at equal intervals, and the rotating unit includes a rotating roller 1 and a bearing seat 1, and the bearing seat 1 is fixedly mounted on the connecting plates on both sides, and the rotating shaft of the rotating roller 1 is fixedly connected to the inner ring of the bearing seat 1, wherein the rotating shaft of the rotating roller 1 on one side extends to the outside of the bearing seat 1 and is fixedly mounted with a sprocket 1, a chain 1 is installed between the sprockets 1, and a sprocket 2 is fixedly mounted on the rotating shaft of the rotating roller 1 away from one end of the clamping and fixing mechanism; a motor, which is located below the support frame 2, and a sprocket 3 is fixedly mounted on the output shaft of the motor, and a chain 2 is installed between the sprocket 2 and the sprocket 3.

[0008] The clamping and fixing mechanism includes: support plate 1, which is fixedly mounted on the two support frames 2; support plate 2, which is symmetrically and vertically fixedly mounted on both ends of support plate 1; support plate 3, which is fixedly mounted on the top of support plate 2; cylinder 1, which is fixedly mounted on the top of support plate 3, and the output end of cylinder 1 is fixedly mounted with an extrusion block through support plate 3, and the bottom of the extrusion block is provided with anti-slip stripes; rotating roller 2, which is rotatably mounted on support plate 2 through a rotating shaft, and the rotating roller 2 is located below the output end of cylinder 1; a baffle, which is fixedly mounted on the side of support plate 2 close to the drilling device, and an opening is provided on the baffle.

[0009] The rotating roller 1 and the rotating roller 2 have the same structure, and the rotating roller 1 and the rotating roller 2 are provided with a slope with their centers as the centers.

[0010] The longitudinal adjustment mechanism includes: a support plate four, which is fixedly mounted on the two support frames two; a support plate five, which is L-shaped and vertically fixedly mounted on one end of the support plate four; a driving member one, which is fixedly mounted on the transverse part of the support plate five; a screw rod one, one end of which is rotatably connected to the output end of the driving member one, and the other end of the screw rod one is equipped with a bearing seat two, and the bearing seat two is fixedly mounted on the support plate four; a slider one, which is threadedly connected to the screw rod one, and a slide rail one is symmetrically fixedly mounted on the left and right sides of the longitudinal part of the support plate five, and the slider one is slidably connected to the slide rail one.

[0011] The lateral adjustment mechanism includes: a support plate six, which is L-shaped, and the longitudinal portion of the support plate six is ​​fixedly mounted on the slider one; a driving member two, which is fixedly mounted on the lateral portion of the support plate six; a screw rod two, one end of the screw rod two is fixedly connected to the output end of the driving member two, and the other end of the screw rod two is fixedly mounted with a bearing seat three, and the bearing seat three is fixedly mounted on the longitudinal portion of the support plate six; a slider two, which is threadedly connected to the screw rod two, and the longitudinal portion of the support plate six is ​​symmetrically fixedly mounted with slide rails two on the upper and lower sides, the slider two is slidably connected to the slide rails two, and the drilling device is fixedly mounted on the slider two.

[0012] A cooling sprayer is installed on the second support frame, and the output end of the cooling sprayer is located at the opening; a collection box is fixedly installed on the bottom of the second support frame below the clamping and fixing mechanism, and a protective plate is installed on the second support frame near the first chain.

[0013] It also includes a feeding mechanism and a discharging mechanism, the feeding mechanism is installed on one of the support frames 2, and the feeding mechanism is arranged on the outer side of the support frame 2, the discharging mechanism is installed on the other support frame 2, and the discharging mechanism is arranged on the inner side of the support frame 2, the feeding mechanism and the discharging mechanism have the same structure and both include: a fixed block, the fixed block is fixedly installed on the connecting plate, a rotating rod is rotatably installed on the fixed block, a shift block is fixedly installed on the rotating rod, and the shift block is hooked at one end away from the rotating rod; an oil cylinder, a support plate 6 is fixedly installed on the support frame 2, the oil cylinder is fixedly installed on the bottom of the support plate 6, the output shaft of the oil cylinder passes through the support plate 6 and is fixedly installed with a connector, and the connector is rotatably connected to the shift block.

[0014] It also includes an electric control box, on which a control switch is installed, and a controller is installed in the electric control box. The motor, the cylinder 1, the driving member 1, the driving member 2, the drilling device and the oil cylinder are electrically connected to the controller respectively.

[0015] Beneficial effects of the utility model:

[0016] The tube blank drilling machine of the utility model can fix the forged rod by means of the clamping and fixing mechanism, thereby preventing the forged rod from moving during the drilling process. In addition, the height of the drilling device can be adjusted by means of the longitudinal adjustment mechanism, so that the drill bit of the drilling device can be adjusted to be aligned with the center of the forged rod according to forged rods of different diameters, thereby having a wider range of uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the tube blank drilling machine according to an embodiment of the utility model from a first perspective;

[0018] Figure 2 This is a schematic diagram of the overall structure of a tube blank drilling machine according to an embodiment of the present invention from a second perspective;

[0019] Figure 3 This is a schematic diagram of the overall structure of a tube blank drilling machine without a protective plate installed according to one embodiment of the present invention;

[0020] Figure 4 A side view of a tube blank drilling machine according to an embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the overall structure of a tube blank drilling machine equipped with a feeding mechanism and a discharging mechanism according to an embodiment of the present invention.

[0022] Description of reference numerals:

[0023] 1-Drilling device; 2-Base plate; 3-Support frame 1; 4-Support frame 2; 5-Connecting plate; 6-Rotating roller 1; 7-Bearing seat 1; 8-Sprocket 1; 9-Chain 1; 10-Sprocket 2; 11-Motor; 12-Chain 2; 13-Support plate 1; 14-Support plate 2; 15-Support plate 3; 16-Cylinder 1; 17-Squeezing block; 18-Rotating roller 2; 19-Baffle; 20-Opening; 21-Slope; 22-Support plate 4; 2 3-Support plate five; 24-Drive part one; 25-Screw rod one; 26-Slider block one; 27-Slide rail one; 28-Support plate six; 29-Drive part two; 30-Screw rod two; 31-Slider block two; 32-Slide rail two; 33-Cooling sprayer; 34-Protective plate; 35-Collection box; 36-Feeding mechanism; 37-Discharging mechanism; 38-Fixed block; 39-Turn rod; 40-Shifting block; 41-Cylinder; 42-Support plate six; 43-Connector. 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] like Figure 1-Figure 5 As shown, a tube blank drilling machine according to an embodiment of the present invention may include a frame, a conveying mechanism, a clamping and fixing mechanism, a longitudinal adjustment mechanism, a transverse adjustment mechanism and a drilling device 1.

[0026] The conveying mechanism is installed on the top of the frame, and the conveying mechanism is used to convey the forged rod; the clamping and fixing mechanism is fixedly installed on the top of the frame, located on one side of the conveying mechanism, and the conveying mechanism conveys one end of the forged rod to the clamping and fixing mechanism, and the clamping and fixing mechanism is used to clamp and fix one end of the forged rod; the longitudinal adjustment mechanism is installed on the frame, and is located on one side of the clamping and fixing mechanism; the transverse adjustment mechanism is installed on the longitudinal adjustment mechanism; the drilling device 1 is installed on the transverse adjustment mechanism, and the longitudinal adjustment mechanism is used to adjust the height of the drilling device 1 to be aligned with the center of the forged rod, and the transverse adjustment mechanism is used to push the drilling device 1 to move toward the forged rod, and the drilling device 1 is used to drill a hole at the center of the forged rod.

[0027] In one embodiment of the present invention, Figure 2 As shown, the frame may include a base plate 2 and a support assembly, wherein the support assembly is provided with two, which are symmetrically fixedly installed on the base plate 2, with a certain distance left between the two support assemblies, and the support assembly may include a support frame 1 3 and a support frame 2 4, wherein the support frame 1 3 is vertically fixedly connected to the base plate 2, and the support frame 2 4 is fixedly connected to the top of the two support frames 1 3.

[0028] In one embodiment of the present invention, Figure 2 and Figure 3 As shown, the conveying mechanism may include a connecting plate 5, a rotating unit and a motor 11, wherein the connecting plate 5 is fixedly mounted on the support frame 2 4; the rotating unit is provided with a plurality of rotating units, which are fixedly mounted on the connecting plate 5 at equal intervals, and the rotating unit may include a rotating roller 6 and a bearing seat 7, wherein the bearing seat 7 is fixedly mounted on the connecting plate 5 on both sides, the rotating shaft of the rotating roller 6 is fixedly connected to the inner ring of the bearing seat 7, the rotating shaft of the rotating roller 6 on one side extends to the outside of the bearing seat 7, and is fixedly mounted with a sprocket 8, a chain 9 is installed between the sprockets 8, and a sprocket 2 10 is fixedly mounted on the rotating shaft of the rotating roller 6 away from one end of the clamping and fixing mechanism; the motor 11 is located below the support frame 2 4, a sprocket 3 is fixedly mounted on the output shaft of the motor 11, and a chain 2 12 is installed between the sprocket 2 10 and the sprocket 3.

[0029] In an embodiment of the present invention, a conveying mechanism conveys one end of the forged rod to a clamping and fixing mechanism. Specifically, the motor 11 is started, and the motor 11 drives the sprocket 2 10 to rotate through the chain 2 12. The sprocket 2 10 is coaxially arranged with one of the sprockets 1 8, thereby driving the sprocket 1 8 to rotate. A chain 1 9 is installed between the sprockets 1 8, thereby driving the rotating roller 1 6 to rotate. The forged rod is located on the rotating roller 1 6, and the rotating roller 6 drives the forged rod to move toward the clamping and fixing mechanism.

[0030] In one embodiment of the present invention, Figure 2 and Figure 4 As shown, the clamping and fixing mechanism may include a support plate 13, a support plate 2 14, a support plate 3 15, a cylinder 16, a rotating roller 2 18 and a baffle 19, wherein the support plate 13 is fixedly mounted on the two support frames 2 4; the support plate 2 14 is symmetrically and vertically fixedly mounted at both ends of the support plate 13; the support plate 3 15 is fixedly mounted on the top of the support plate 2 14; the cylinder 16 is fixedly mounted on the top of the support plate 3 15, and the output end of the cylinder 16 is fixedly mounted with an extrusion block 17 through the support plate 3 15, and the bottom of the extrusion block 17 is provided with anti-slip stripes; the rotating roller 2 18 is rotatably mounted on the support plate 2 14 through a rotating shaft, and the rotating roller 2 18 is located below the output end of the cylinder 16; the baffle 19 is fixedly mounted on the side of the support plate 2 14 close to the drilling device 1, and the baffle 19 is provided with an opening 20.

[0031] When one end of the forging rod moves to below the output end of cylinder 16 , cylinder 16 starts, and cylinder 16 drives the extrusion block 17 to move downward, fixing the forging rod between rotating roller 2 18 and the extrusion block 17 .

[0032] In one embodiment of the present invention, Figure 3 As shown, the rotating roller 1 6 and the rotating roller 2 18 have the same structure. The rotating roller 1 6 and the rotating roller 2 18 are provided with a slope 21 centered at their centers. The forging rod is positioned on the slope 21 of the rotating roller. The slope 21 can limit the forging rod to a certain extent, preventing it from separating from the rotating roller during movement.

[0033] In one embodiment of the present invention, Figure 1 As shown, the longitudinal adjustment mechanism may include a support plate four 22, a support plate five 23, a driving member one 24, a screw one 25 and a slider one 26, wherein the support plate four 22 is fixedly mounted on the two support frames two 4; the support plate five 23 is L-shaped, and the support plate five 23 is vertically fixedly mounted on one end of the support plate four 22; the driving member one 24 is fixedly mounted on the transverse part of the support plate five 23; one end of the screw one 25 is rotatably connected to the output end of the driving member one 24, and the other end of the screw one 25 is equipped with a bearing seat two, and the bearing seat two is fixedly mounted on the support plate four 22; the slider one 26 is threadedly connected to the screw one 25, and the left and right sides of the longitudinal part of the support plate five 23 are symmetrically fixed with slide rails one 27, and the slider one 26 is slidably connected to the slide rail one 27.

[0034] In one embodiment of the present invention, Figure 1 As shown, the lateral adjustment mechanism may include a support plate 6 28, a drive member 29, a screw 2 30 and a slider 2 31, wherein the support plate 6 28 is L-shaped, and the longitudinal portion of the support plate 6 28 is fixedly mounted on the slider 1 26; the drive member 29 is fixedly mounted on the lateral portion of the support plate 6 28; one end of the screw 2 30 is fixedly connected to the output end of the drive member 29, and the other end of the screw 2 30 is fixedly mounted with a bearing seat 3, and the bearing seat 3 is fixedly mounted on the longitudinal portion of the support plate 6 28; the slider 2 31 is threadedly connected to the screw 2 30, and the longitudinal portion of the support plate 6 28 is symmetrically fixedly mounted with slide rails 2 32 on the upper and lower sides, the slider 2 31 is slidably connected to the slide rails 2 32, and the drilling device 1 is fixedly mounted on the slider 2 31.

[0035] When the forging rod is clamped and fixed between the extrusion block 17 and the rotating roller 18, the driving member 29 is started, and the driving member 29 drives the slider 2 31 to move linearly. The drill bit of the drilling device 1 is aligned with the center of the forging rod, and the drilling device 1 drills a hole at the center of the forging rod.

[0036] It should be noted that during the production process, the diameters of the forged rods vary, so the height of the drilling device 1 needs to be adjusted so that its drill bit is aligned with the center of the forged rod. When adjusting the height of the drilling device 1, the driving member 24 is started, and the driving member 24 drives the slider 26 to move linearly, thereby achieving the purpose of adjusting the drilling device 1.

[0037] In addition, the driving member 1 24 and the driving member 2 29 can adopt servo motors 11, but the present application is not limited thereto, and hydraulic motors can also be adopted.

[0038] The drilling device 1 used in this embodiment is a prior art, and its structure will not be described in detail here.

[0039] In one embodiment of the present invention, Figure 1 As shown, a cooling sprayer 33 is mounted on the second support frame 4, and the output end of the cooling sprayer 33 is located at the opening 20. A collection box 35 is fixedly mounted on the bottom of the second support frame 4 below the clamping mechanism, and a protective plate 34 is mounted on the second support frame 4 near the chain 1 9.

[0040] In this embodiment of the present invention, when drilling a forged rod, the drilling device 1 generates high temperatures. A cooling sprayer 33 is provided to cool the drill bit by spraying water to reduce the temperature. Cooling sprayer 33 is an existing basic product, and model YS-BPV-3000 can be used. Its structural principles are not described in detail here. During the drilling process, the drilling device 1 generates debris, which falls into a collection box 35 for collection. Furthermore, wastewater generated by the spray can also fall into the collection box 35.

[0041] In one embodiment of the present invention, Figure 5 As shown, the tube drilling machine also includes a feeding mechanism 36 and a discharging mechanism 37, the feeding mechanism 36 is installed on one of the support frames 2 4, and the feeding mechanism 36 is arranged against the outer side of the support frame 2 4, the discharging mechanism 37 is installed on the other support frame 2 4, and the discharging mechanism 37 is arranged against the inner side of the support frame 2 4, the feeding mechanism 36 and the discharging mechanism 37 have the same structure, both include a fixed block 38 and a cylinder 41, wherein the fixed block 38 is fixedly installed on the connecting plate 5, a rotating rod 39 is rotatably installed on the fixed block 38, a shift block 40 is fixedly installed on the rotating rod 39, and the end of the shift block 40 away from the rotating rod 39 is in a hook shape; a support plate 6 42 is fixedly installed on the support frame 2 4, the cylinder 41 is fixedly installed on the bottom of the support plate 6 42, the output shaft of the cylinder 41 passes through the support plate 6 42 and is fixedly installed with a connector 43, and the connector 43 is rotatably connected to the shift block 40.

[0042] In this embodiment of the present invention, a pipe rack is placed to one side of support frame 2 (4), and tube blanks are stacked on the rack. The top of the rack is tilted, allowing the tube blanks to be rolled one by one onto the shifting block 40 of the feed mechanism 36. During operation, the tube blanks roll onto the shifting block 40, which is rotated by the oil cylinder 41. The tube blanks on the shifting block 40 roll onto the rotating roller 1 (6), which then transports the tube blanks for subsequent drilling. After drilling is completed, the oil cylinder 41 in the discharge mechanism 37 rotates the shifting block 40 (located below the rotating roller 1), and the shifting block 40 removes the drilled tube blanks.

[0043] In one embodiment of the present invention, an electric control box is further included (illustrated in the figure), a control switch is installed on the electric control box, and a controller is installed in the electric control box, wherein the controller can adopt a PLC or a single-chip microcomputer, and the motor 11, the cylinder 16, the drive member 1 24, the drive member 2 29 and the drilling device 1 are electrically connected to the controller respectively, and are controlled by the controller.

[0044] According to the tube blank drilling machine of the embodiment of the present invention, the forging rod can be fixed by the provided clamping and fixing mechanism to prevent the forging rod from moving during the drilling process. In addition, the height of the drilling device 1 can be adjusted by the provided longitudinal adjustment mechanism, so that the drill bit of the drilling device 1 can be adjusted to be aligned with the center of the forging rod according to forging rods of different diameters, and the scope of use is wider.

[0045] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0046] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A tube drilling machine, characterized in that: include: frame; A conveying mechanism, the conveying mechanism being installed on the top of the frame and being used for conveying forged bars; A clamping and fixing mechanism, the clamping and fixing mechanism is fixedly installed on the top of the frame and located on one side of the conveying mechanism, the conveying mechanism conveys one end of the forged rod into the clamping and fixing mechanism, and the clamping and fixing mechanism is used to clamp and fix one end of the forged rod; A longitudinal adjustment mechanism, the longitudinal adjustment mechanism being mounted on the frame and located on one side of the clamping and fixing mechanism; a transverse adjustment mechanism, the transverse adjustment mechanism being mounted on the longitudinal adjustment mechanism; A drilling device is installed on the transverse adjustment mechanism, the longitudinal adjustment mechanism is used to adjust the height of the drilling device to be aligned with the center of the forging rod, the transverse adjustment mechanism is used to push the drilling device to move toward the forging rod, and the drilling device is used to drill a hole at the center of the forging rod.

2. The tube boring machine according to claim 1, characterized in that: The frame includes: base plate; The support assembly is provided with two, which are symmetrically fixedly installed on the base plate, with a certain distance between the two support assemblies. The support assembly includes support frame one and support frame two. The support frame one is vertically fixedly connected to the base plate, and the support frame two is fixedly connected to the top of the two support frames one.

3. The tube boring machine according to claim 2, characterized in that: The conveying mechanism comprises: A connecting plate, the connecting plate being fixedly mounted on the second supporting frame; A rotating unit, wherein a plurality of the rotating units are provided and fixedly mounted on the connecting plate at equal intervals, the rotating unit comprising a rotating roller 1 and a bearing seat 1, the bearing seat 1 being fixedly mounted on the connecting plates on both sides, the rotating shaft of the rotating roller 1 being fixedly connected to the inner ring of the bearing seat 1, the rotating shaft of the rotating roller 1 on one side extending to the outside of the bearing seat 1 and being fixedly mounted with a sprocket 1, a chain 1 being mounted between the sprockets 1, and a sprocket 2 being fixedly mounted on the rotating shaft of the rotating roller 1 away from one end of the clamping and fixing mechanism; The motor is located below the support frame 2, a sprocket 3 is fixedly mounted on the output shaft of the motor, and a chain 2 is mounted between the sprocket 2 and the sprocket 3.

4. The tube boring machine according to claim 3, characterized in that: The clamping and fixing mechanism comprises: Support plate 1, said support plate 1 being fixedly mounted on the two support frames 2; Support plate 2, said support plate 2 being symmetrically and vertically fixedly mounted on both ends of said support plate 1; Support plate three, said support plate three being fixedly mounted on the top of said support plate two; Cylinder 1, said cylinder 1 is fixedly mounted on the top of said support plate 3, an output end of said cylinder 1 passes through said support plate 3 and is fixedly mounted with an extrusion block, the bottom of said extrusion block is provided with anti-slip stripes; A second rotating roller, the second rotating roller being rotatably mounted on the second supporting plate via a rotating shaft, the second rotating roller being located below the output end of the first cylinder; A baffle is fixedly mounted on a side of the second support plate close to the drilling device, and an opening is formed on the baffle.

5. The tube boring machine according to claim 4, characterized in that: The rotating roller 1 and the rotating roller 2 have the same structure, and the rotating roller 1 and the rotating roller 2 are provided with a slope with their centers as the centers.

6. The tube boring machine according to claim 5, characterized in that: The longitudinal adjustment mechanism comprises: A fourth support plate, the fourth support plate being fixedly mounted on the two second support frames; Support plate five, the support plate five is L-shaped and is vertically fixedly mounted on one end of support plate four; A first driving member, the first driving member being fixedly mounted on the transverse portion of the fifth supporting plate; Screw rod 1, one end of which is rotatably connected to the output end of the driving member 1, and the other end of which is mounted with bearing seat 2, which is fixedly mounted on the support plate 4; Slider 1, the slider 1 is threadedly connected to the screw 1, and the left and right sides of the longitudinal portion of the support plate 5 are symmetrically fixed with slide rails 1, and the slider 1 is slidably connected to the slide rails 1.

7. The tube boring machine according to claim 6, characterized in that: The lateral adjustment mechanism comprises: A sixth support plate, the sixth support plate being L-shaped, and a longitudinal portion of the sixth support plate being fixedly mounted on the first slider; A second driving member, the second driving member being fixedly mounted on the transverse portion of the support plate 6; Screw 2, one end of which is fixedly connected to the output end of the driving member 2, and the other end of which is fixedly mounted with a bearing seat 3, which is fixedly mounted on the longitudinal portion of the support plate 6; Slider 2, the slider 2 is threadedly connected to the screw 2, the longitudinal part of the support plate 6 is symmetrically fixed with slide rails 2 on both sides, the slider 2 is slidably connected to the slide rails 2, and the drilling device is fixedly installed on the slider 2.

8. The tube boring machine according to claim 7, characterized in that: A cooling sprayer is installed on the second support frame, and the output end of the cooling sprayer is located at the opening; a collection box is fixedly installed on the bottom of the second support frame below the clamping and fixing mechanism, and a protective plate is installed on the second support frame near the first chain.

9. The tube boring machine according to claim 8, characterized in that: The machine also includes a feeding mechanism and a discharging mechanism. The feeding mechanism is installed on one of the support frames 2 and is arranged close to the outside of the support frame 2. The discharging mechanism is installed on the other support frame 2 and is arranged close to the inside of the support frame 2. The feeding mechanism and the discharging mechanism have the same structure and both include: A fixed block, the fixed block is fixedly mounted on the connecting plate, a rotating rod is rotatably mounted on the fixed block, a shift block is fixedly mounted on the rotating rod, and an end of the shift block away from the rotating rod is in a hook shape; Oil cylinder, support plate six is ​​fixedly installed on the support frame two, the oil cylinder is fixedly installed on the bottom of the support plate six, the output shaft of the oil cylinder passes through the support plate six and is fixedly installed with a connector, and the connector is rotatably connected to the shift block.

10. The tube boring machine according to claim 9, characterized in that: It also includes an electric control box, on which a control switch is installed, and a controller is installed in the electric control box. The motor, the cylinder 1, the driving member 1, the driving member 2, the drilling device and the oil cylinder are electrically connected to the controller respectively.