Pipeline end face beveling machine

Abstract

The utility model relates to the technical field of beveling machines, in particular to a pipeline end face beveling machine. The problem that in the prior art, a handheld beveling machine is difficult to machine a pipeline with the machining face pipe opening diameter smaller than the inner pipe diameter of the pipeline is solved, and the practicability of equipment is improved. The device structurally comprises a fixing seat, a fixing shaft is fixed to the fixing seat, a fixing mechanism used for tensioning and fixing the fixing seat from the interior of a to-be-beveled pipeline is arranged on the fixing shaft, and a control structure used for controlling the fixing structure to fix the to-be-beveled pipeline or break away from the to-be-beveled pipeline is further arranged on the fixing shaft. A beveling assembly used for beveling the pipeline to be beveled is further arranged on the fixing base, and a driving assembly used for driving the beveling assembly is further arranged on the fixing base. The pipeline machining device can machine a pipeline with the diameter of a machining face pipe opening smaller than the diameter of an inner pipe of the pipeline, and has high practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of beveling machine, specifically, relates to a pipeline end face beveling machine. BACKGROUND

[0002] The beveling machine is a special equipment for machining the bevel of the pipeline, which forms a specific inclined angle or bevel shape by cutting or heating the end of the pipeline, so as to facilitate the connection with other pipelines. Generally, it is divided into vertical beveling machine and handheld beveling machine. Among them, the vertical beveling machine is processed by placing the pipeline on the beveling machine, and the handheld beveling machine can bevel the pipeline when it is inconvenient to move.

[0003] The working process of the handheld beveling machine in the prior art is that a tension block is arranged on the beveling machine, the tension block is inserted into the machining pipeline during the machining of the pipeline, then the pipeline is supported and fixed by rotating the tension block, and the rotating blade on the beveling machine is used to bevel the pipeline surface.

[0004] Although this can realize the beveling of the machining pipeline, there are still the following problems: if the machining pipeline to be machined has a machining surface with a pipe diameter smaller than the diameter of the inner pipe of the pipeline, when the tension block is tensioned inside the pipeline to increase the diameter, even if the tension block is reversed, the tension block can only lose the tension force on the inner wall of the pipeline, and cannot directly reduce the diameter of the tension block, so that the tension block is difficult to take out after the beveling work is completed. UTILITY MODEL CONTENTS

[0005] The utility model provides a pipeline end face beveling machine, solve the handheld beveling machine of prior art difficult to process the pipeline of machining surface pipe diameter less than the inner pipe diameter of pipeline Problem, improve the practicability of equipment.

[0006] The technical scheme of the utility model is as follows:

[0007] A pipeline end face beveling machine, comprising a fixed seat,

[0008] The fixed seat is fixed with a fixed shaft, the fixed shaft is provided with a fixed mechanism for tensioning and fixing the fixed seat from the to-be-beveled pipeline, the fixed shaft is further provided with a control structure for controlling the fixed structure to fix or separate from the to-be-beveled pipeline, the fixed seat is further provided with a beveling assembly for beveling the to-be-beveled pipeline, and the fixed seat is further provided with a driving assembly for driving the beveling assembly.

[0009] Further, the fixed mechanism comprises a first fixed structure, a second fixed structure and a third fixed structure arranged on the fixed shaft, and the first fixed structure, the second fixed structure and the third fixed structure are uniformly distributed along the center of the fixed shaft.

[0010] Further, the first fixing structure comprises a first connecting rod and a second connecting rod rotationally connected with the outer wall of the fixing shaft, the first connecting rod and the second connecting rod are parallel to each other and have equal lengths, a third connecting rod is further arranged between the first connecting rod and the second connecting rod, both ends of the third connecting rod are rotationally connected with the first connecting rod and the second connecting rod respectively, and the first fixing structure, the second fixing structure and the third fixing structure are identical in structure.

[0011] Further, the control structure comprises a sliding piece, the sliding piece is sleeved on the fixing shaft and is in sliding connection with the fixing shaft, a fourth connecting rod is arranged between the sliding piece and the first connecting rod, and both ends of the fourth connecting rod are rotationally connected with the first connecting rod and the sliding piece respectively.

[0012] Further, the sliding piece is provided with a limiting slot at an end away from the first connecting rod, a limiting bolt is arranged in the limiting slot, a sliding sleeve is fixed on the limiting bolt, another end of the sliding sleeve is fixed with a control bolt, and the control bolt is in threaded connection with the fixing shaft.

[0013] Further, the groove assembly comprises a rotating disc, the rotating disc is rotationally connected with the outer wall of the sliding sleeve, and a plurality of groove cutters are arranged on the rotating disc and are uniformly distributed along the circumference of the center of the rotating disc.

[0014] Further, the driving assembly comprises a driving motor fixedly arranged on the fixing base, the outer surface of the fixing base is in a cylindrical structure, a first bevel gear is fixed on the rotating disc, a second bevel gear is fixed on the output shaft of the driving motor, and the first bevel gear is in meshing connection with the second bevel gear.

[0015] The working principle and beneficial effects of the utility model are as follows:

[0016] The working process of the embodiment is as follows: when the groove of the processing pipeline needs to be processed, the fixing mechanism is first placed in the processing pipeline, then the control bolt is rotated in the forward direction, the sliding piece box is moved away from the control bolt, the third connecting rod is in abutment with the inner wall of the processing pipeline, the position of the pipeline and the fixing base is kept unchanged, the rotating disc is started, and the groove cutters process the groove of the processing pipeline; when the groove is completed, the control bolt is rotated in the reverse direction, the sliding piece is moved towards the control bolt, the third connecting rod is separated from the inner wall of the processing pipeline, and the groove machine can be smoothly taken out.

[0017] When processing pipes with a diameter at the opening of the processing surface smaller than that of the inner pipe, this utility model can enter the pipe through a shrinking fixing mechanism and clamp the processed pipe through a tensioning fixing mechanism. After processing, the fixing mechanism can also be controlled to shrink and detach from the processed pipe for easy removal. This utility model can process pipes with a diameter at the opening of the processing surface smaller than that of the inner pipe and has strong practicality. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a schematic diagram of the prior art in this embodiment;

[0020] Figure 2 This is a schematic diagram of the overall structure of this embodiment. Figure 1 ;

[0021] Figure 3 This is a schematic diagram of the overall structure of this embodiment. Figure 2 ;

[0022] Figure 4 This is a schematic diagram of the internal structure of the fixing base in this embodiment. Figure 3 ;

[0023] Figure 5 This is a schematic diagram of the connection structure of the sliding sleeve in this embodiment.

[0024] In the picture:

[0025] 1. Fixed base; 2. Rotating disk; 21. Beveling tool; 3. Drive motor; 31. First bevel gear; 32. Second bevel gear; 4. Fixed shaft; 5. Control bolt; 51. Sliding sleeve; 6. Sliding component; 61. Limiting groove; 511. Limiting bolt; 71. First connecting rod; 72. Second connecting rod; 73. Third connecting rod; 74. Fourth connecting rod. Detailed Implementation

[0026] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0027] like Figures 2-5 As shown in the figure, this embodiment proposes a pipe end beveling machine, the structure of which includes a fixed base 1.

[0028] The fixed shaft 4 in the embodiment is fixedly arranged on the fixed base 1, the fixing mechanism is fixedly arranged on the fixed shaft 4, and is used for tensioning and fixing the fixed base 1 from the pipe to be beveled. The control structure is arranged on the fixed shaft 4, and is used for controlling the fixing structure to fix or separate from the pipe to be beveled. The beveling assembly is arranged on the fixed base 1, and is used for beveling the pipe to be beveled. The driving assembly is arranged on the fixed base 1, and is used for driving the beveling assembly.

[0029] The fixing mechanism in the embodiment comprises a first fixing structure, a second fixing structure and a third fixing structure arranged on the fixed shaft 4, and the first fixing structure, the second fixing structure and the third fixing structure are uniformly distributed along the circumference of the center of the fixed shaft 4. The three fixing structures can realize fixing of the pipe to be processed from three directions, which reduces the manufacturing cost and realizes clamping and fixing of the pipe to be processed.

[0030] The first fixing structure in the embodiment comprises a first connecting rod 71 and a second connecting rod 72, which are both rotationally connected with the outer wall of the fixed shaft 4. The first connecting rod 71 and the second connecting rod 72 are parallel to each other and have equal lengths, and are used for keeping the third connecting rod 73 always parallel to the fixed shaft 4, so as to ensure that the second connecting rod 72 is in full contact with the inner wall of the pipe to be processed. In the embodiment, a rubber layer can be arranged on the third connecting rod 73 to increase the friction and ensure that the third connecting rod 73 does not slide. The third connecting rod 73 is arranged between the first connecting rod 71 and the second connecting rod 72, and the two ends of the third connecting rod 73 are rotationally connected with the first connecting rod 71 and the second connecting rod 72, respectively. The first fixing structure, the second fixing structure and the third fixing structure are the same in structure.

[0031] The control structure in the embodiment comprises a sliding piece 6, which is sleeved on the fixed shaft 4 and is in sliding connection with the fixed shaft 4. A fourth connecting rod 74 is arranged between the sliding piece 6 and the first connecting rod 71, and the two ends of the fourth connecting rod 74 are rotationally connected with the first connecting rod 71 and the sliding piece 6, respectively. In the embodiment, the connecting end of the fourth connecting rod 74 with the first connecting rod 71 is arranged between the connecting end of the first connecting rod 71 with the fixed shaft 4 and the connecting end of the first connecting rod 71 with the third connecting rod 73. Such a design is to control the rotation of the first connecting rod 71 by moving the sliding piece 6, so as to achieve the control effect.

[0032] The limiting groove 61 in the embodiment is arranged at the end of the sliding piece 6 away from the first connecting rod 71, a limiting bolt 511 is arranged in the limiting groove 61, a sliding sleeve 51 is fixedly arranged on the limiting bolt 511, a control bolt 5 is fixedly arranged at the other end of the sliding sleeve 51, and the control bolt 5 is in threaded connection with the fixed shaft 4. Such a design enables the fixing mechanism to fix the inner wall of the pipe to be processed by rotating the control bolt 5, and in the case of appropriate tension, the self-locking of the fixing mechanism can be realized by rotating the control bolt 5.

[0033] The groove assembly in the embodiment comprises a rotating disc 2, the rotating disc 2 is rotationally connected with the outer wall of the sliding sleeve 51, a plurality of groove cutters 21 are arranged on the rotating disc 2, and the groove cutters 21 are evenly distributed along the circumference of the center of the rotating disc 2. The groove cutters 21 in the embodiment can be fixed with the rotating disc 2 through bolt connection, so that the groove cutters 21 are convenient to dismount and mount.

[0034] The driving assembly in the embodiment comprises a driving motor 3 fixedly arranged on the fixed seat 1, the outer surface of the fixed seat 1 is in a cylindrical structure, a first bevel gear 31 is fixedly arranged on the rotating disc 2, a second bevel gear 32 is fixedly arranged on the output shaft of the driving motor 3, and the first bevel gear 31 is engaged with the second bevel gear 32. Such a design is to adjust the output angle of the driving motor 3, and facilitate the installation of the driving motor 3.

[0035] The working process of the embodiment is as follows: when the groove of the pipe needs to be machined, the fixing mechanism is first placed in the pipe, then the control bolt 5 is rotated forward, the sliding part 6 is driven to move away from the control bolt 5, the third connecting rod 73 is abutted with the inner wall of the pipe, at this time, the pipe and the fixed seat 1 keep the position unchanged, the rotating disc 2 is started, and the groove cutters 21 are used to groove the pipe; when the groove is completed, the control bolt 5 is reversely rotated, the sliding part 6 is driven to move towards the control bolt 5, at this time, the third connecting rod 73 is separated from the inner wall of the pipe, and the groove machine can be smoothly taken out.

[0036] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pipeline end face beveling machine comprising a fixed seat (1), characterized in that, a fixed shaft (4) is fixed on the fixed seat (1), the fixed shaft (4) is provided with a fixing mechanism for tensioning and fixing the fixed seat (1) from the inside of the pipe to be beveled, the fixed shaft (4) is also provided with a control structure for controlling the fixing structure to fix or separate from the pipe to be beveled, the fixed seat (1) is also provided with a beveling assembly for beveling the pipe to be beveled, and the fixed seat (1) is also provided with a driving assembly for driving the beveling assembly.

2. A pipe end facing and grooving machine according to claim 1 wherein, The fixing mechanism comprises a first fixing structure, a second fixing structure and a third fixing structure arranged on the fixed shaft (4), and the first fixing structure, the second fixing structure and the third fixing structure are uniformly distributed along the center of the fixed shaft (4).

3. A pipe end facing and grooving machine according to claim 2 wherein, The first fixing structure comprises a first connecting rod (71) and a second connecting rod (72) rotatably connected with the outer wall of the fixed shaft (4), the first connecting rod (71) and the second connecting rod (72) are parallel to each other and have equal lengths, a third connecting rod (73) is further arranged between the first connecting rod (71) and the second connecting rod (72), both ends of the third connecting rod (73) are rotatably connected with the first connecting rod (71) and the second connecting rod (72), respectively, and the first fixing structure, the second fixing structure and the third fixing structure are the same structure.

4. A pipe end facing and grooving machine according to claim 3 wherein, The control structure comprises a sliding piece (6), the sliding piece (6) is sleeved on the fixed shaft (4) and is in sliding connection with the fixed shaft (4), a fourth connecting rod (74) is arranged between the sliding piece (6) and the first connecting rod (71), and both ends of the fourth connecting rod (74) are rotatably connected with the first connecting rod (71) and the sliding piece (6), respectively.

5. A pipe end facing and grooving machine according to claim 4 wherein, A limiting groove (61) is arranged at the end of the sliding piece (6) away from the first connecting rod (71), a limiting bolt (511) is arranged in the limiting groove (61), a sliding sleeve (51) is fixed on the limiting bolt (511), a control bolt (5) is fixed at the other end of the sliding sleeve (51), and the control bolt (5) is in threaded connection with the fixed shaft (4).

6. A pipe end facing and grooving machine according to claim 5 wherein, The beveling assembly comprises a rotating disc (2), the rotating disc (2) is rotatably connected with the outer wall of the sliding sleeve (51), a plurality of beveling cutter pieces (21) are arranged on the rotating disc (2) and are uniformly distributed along the center of the rotating disc (2).

7. A pipe end facing and grooving machine according to claim 6 wherein, The driving assembly comprises a driving motor (3) fixedly arranged on the fixed seat (1), the outer surface of the fixed seat (1) is in cylindrical structure, a first bevel gear (31) is fixed on the rotating disc (2), a second bevel gear (32) is fixed on the output shaft of the driving motor (3), and the first bevel gear (31) is in meshing connection with the second bevel gear (32).

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