Electric beveling machine for pressure-resistant polyurethane thermal insulation pipe

Abstract

The utility model relates to the technical field of groove cutting of heat preservation pipelines, in particular to an electric beveling machine for a pressure-resistant polyurethane heat preservation pipe, which can be suitable for polyurethane prefabricated heat preservation pipelines with different inner diameters, reduces the personnel investment, improves the labor efficiency and accelerates the construction progress. Comprising a ring frame, a base is fixedly connected to the bottom of the ring frame, a bottom plate is fixedly connected to the bottom end of the base, a plurality of supporting rods are fixedly connected to the inner wall of the ring frame in the axial direction, a fixing rod is fixedly connected to the middles of the multiple supporting rods, and an adjustable limiting assembly is installed at the right end of the fixing rod and used for fixing equipment. And the adjustable limiting assembly comprises a driving box, a plurality of storage arms, a forward and reverse motor, a driving bevel gear, a plurality of threaded rods, a plurality of driven bevel gears, a plurality of telescopic arms and a plurality of arc-shaped supporting blocks, a rotating assembly is fixedly installed on the right wall of the circular ring frame, and a cutting assembly is installed on the rotating assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of bevel cutting of heat preservation pipelines, in particular to an electric beveling machine for pressure-resistant polyurethane heat preservation pipes. Background Art

[0002] With the development of polyurethane prefabricated heat preservation pipe network laying technology to a higher level, polyurethane directly buried heat preservation pipes have remarkable effects due to their excellent characteristics such as simple construction, energy conservation and corrosion prevention, light unit weight, high strength, heat insulation, sound insulation, flame retardancy, cold resistance, corrosion prevention, and non-water absorption, and are widely used in indoor and outdoor pipelines, central heating pipelines, central air-conditioning pipelines, chemical industry, pharmaceutical industry pipelines and other heat preservation and cold insulation projects. Before butt welding at the welded joint of polyurethane prefabricated heat preservation pipes, due to the inconsistent wall thickness of the elbow and the heat preservation pipe, the bevel should be ground and cut before welding. A simple tool for bevel cutting of polyurethane prefabricated heat preservation pipelines proposed in the prior art with the publication number CN215791817U includes: a polyurethane prefabricated heat preservation pipeline for installing various parts; an installation component for installing a driving component and a bevel component; the installation component is arranged on the polyurethane prefabricated heat preservation pipeline; a driving component for driving the bevel component; the driving component is arranged on the installation component; a bevel component for cutting the polyurethane prefabricated heat preservation pipeline; the bevel component is arranged on the installation component. However, the size of the installation component is fixed, which is not convenient for fixing heat preservation pipes with different inner diameters, and the applicability is poor. Summary of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides an electric beveling machine for pressure-resistant polyurethane heat preservation pipes, which can be applied to polyurethane prefabricated heat preservation pipes with different inner diameters, reduces the input of personnel, improves labor efficiency, and speeds up the construction progress.

[0004] An electric beveling machine for pressure-resistant polyurethane heat preservation pipes of the utility model includes a circular ring frame, the bottom of the circular ring frame is fixedly connected with a base, the bottom end of the base is fixedly connected with a bottom plate, a plurality of support rods are axially and fixedly connected to the inner wall of the circular ring frame, a fixing rod is fixedly connected to the middle of the plurality of support rods, and an adjustable limiting component is installed at the right end of the fixing rod to fix the equipment. A rotating component is fixedly installed on the right wall of the circular ring frame, and a cutting component is installed on the rotating component; during use, the circular ring frame is placed at the end of the pipeline, the equipment is supported by the base and the bottom plate, and at the same time, the fixing rod is inserted into the pipeline. The support length is adjusted according to the inner diameter of the pipeline through the adjustable component and fixed on the inner wall of the polyurethane prefabricated heat preservation pipeline to ensure the stability during processing, and it can be applied to polyurethane prefabricated heat preservation pipes with different inner diameters, which is convenient for popularization.

[0005] Preferably, the adjustable limit assembly includes a drive box, a plurality of receiving arms, a forward and reverse motor, a driving bevel gear, a plurality of threaded rods, a plurality of driven bevel gears, a plurality of telescopic arms and a plurality of arc-shaped support blocks. A drive box is connected to the right side wall of the fixed rod. A plurality of receiving arms are axially and evenly connected to the outer wall of the drive box. A driving bevel gear is rotatably installed inside the drive box. An installation groove is formed at the right end of the fixed rod. The forward and reverse motor is fixed in the installation groove. The output end of the forward and reverse motor is connected to the input end of the driving bevel gear. A threaded rod is rotatably installed in the middle of the receiving arm. One end of the threaded rod extends into the drive box and is connected with a driven bevel gear. The driven bevel gear meshes with the driving bevel gear. The telescopic arm is slidably installed inside the receiving arm, and the middle part of the telescopic arm is screwed on the outer wall of the threaded rod. An arc-shaped support block is fixedly installed at the outer end of the telescopic arm. After the fixed rod extends into the urethane prefabricated thermal insulation pipeline, start the forward and reverse motor to drive the driving bevel gear to rotate. The driving bevel gear drives the threaded rod to rotate through the driven bevel gear, and pushes the telescopic arm to extend out in the receiving arm, so that a plurality of arc-shaped support blocks are simultaneously in contact with and clamped against the inner wall of the urethane prefabricated thermal insulation pipeline, limiting and fixing the equipment, ensuring the stability during processing, being applicable to urethane prefabricated thermal insulation pipelines with different inner diameters, and being convenient for popularization.

[0006] Preferably, the rotating assembly includes a rotating ring, a toothed ring, a driving gear, a transmission, a driving motor and a circular ring. An annular rotating groove is formed inside the circular ring frame. The rotating ring is rotatably installed in the annular rotating groove. A toothed ring is sleeved on the outer wall of the rotating ring. A driving cavity is formed inside the base. The driving cavity communicates with the annular rotating groove. The driving gear is rotatably installed in the driving cavity. The driving gear meshes with the toothed ring. An installation groove is formed on the left side wall of the base. The transmission is fixed in the installation groove. The output end of the transmission is connected to the input end of the driving gear. The input end of the transmission is connected to the output end of the driving motor. A circular rotating groove is formed on the right side wall of the circular ring frame. The circular ring is rotatably installed in the circular rotating groove. The left side wall of the circular ring is connected to the right side wall of the rotating ring. Start the driving motor to drive the driving gear to rotate through the transmission. The driving gear drives the rotating ring to rotate through the toothed ring, thereby driving the circular ring to rotate on the right side wall of the circular ring frame to output power, reducing the labor input, improving the labor efficiency, and accelerating the construction progress.

[0007] Preferably, the cutting assembly includes two adjusting arms, two adjusting sliding rails, a U-shaped tool holder, and two groups of fastening bolts. The two adjusting arms are symmetrically installed on the right side wall of the circular ring up and down. The right adjusting sliding rail is slidably installed inside the adjusting arm. An adjusting chute is provided on the right side wall of the adjusting arm. A stud is provided at the lower part of the right side wall of the adjusting sliding rail, and the stud is slidably installed in the adjusting chute. Guide chutes are provided at the front and rear ends of the adjusting sliding rail. The front and rear ends of the U-shaped tool holder are slidably installed in the guide chutes of the adjusting sliding rail. Fastening bolts are screwed on the front and rear ends of the U-shaped tool holder. A bevel tool is provided on the right side wall of the U-shaped tool holder; loosen the fastening bolts, drive the U-shaped tool holder to slide on the adjusting sliding rail according to the diameter of the pipeline to be processed, and after adjusting to the appropriate position, tighten the fastening bolts for fixation. Pull the adjusting sliding rail to extend inside the adjusting arm, drive the stud to move in the adjusting chute, and tighten the stud to fix the adjusting sliding rail. This can increase the adjustment range of the U-shaped tool holder, improve the applicable range, and the two bevel tools process simultaneously, improving labor efficiency and accelerating the construction progress.

[0008] Preferably, a plurality of support rods are axially fixedly connected to the inner wall of the circular ring. The other end of the support rod is fixedly connected to the outer wall of the bearing. The bearing is rotatably installed on the outer wall of the fixed rod. One end of the adjusting arm is connected to the outer wall of the bearing; during cutting, support is provided through the support rods and the bearing to ensure the processing quality, improve the structural strength of the equipment, and increase the service life.

[0009] Preferably, arc-shaped support rods are connected between the outer walls of the two storage arms; the adjacent two storage arms are supported by the arc-shaped support rods, increasing stability and improving the service life.

[0010] Preferably, anti-slip ridges are provided on the outer wall of the arc-shaped support block; the anti-slip ridges can increase the friction with the inner wall of the pipeline, prevent slipping, and at the same time avoid damaging the inner wall of the pipeline and affecting the use.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: When in use, place the circular ring on the end of the pipeline, support the equipment through the base and the bottom plate, and at the same time insert the fixed rod into the pipeline. According to the inner diameter of the pipeline, adjust the support length through the adjustable component and fix it on the inner wall of the prefabricated polyurethane insulated pipeline to ensure stability during processing. It can be applicable to prefabricated polyurethane insulated pipelines with different inner diameters and is convenient for popularization. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present invention;

[0013] Figure 2 is a schematic right view structural diagram of the present invention;

[0014] Figure 3 is a schematic front view sectional structural diagram of the present invention;

[0015] Figure 4 is a schematic top view sectional structure diagram of the present utility model;

[0016] Figure 5 is a schematic right view sectional structure diagram of the present utility model;

[0017] Reference numerals in the drawings: 1, circular ring frame; 2, base; 3, bottom plate; 4, support rod; 5, fixing rod; 6, drive box; 7, storage arm; 8, forward and reverse motor; 9, driving bevel gear; 10, threaded rod; 11, driven bevel gear; 12, telescopic arm; 13, arc-shaped support block; 14, arc-shaped support rod; 15, rotating ring; 16, toothed ring; 17, driving gear; 18, transmission; 19, driving motor; 20, circular ring; 21, adjusting arm; 22, adjusting slide rail; 23, stud; 24, U-shaped tool holder; 25, fastening bolt; 26, support rod; 27, bearing. Detailed implementation manners

[0018] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0019] Embodiment 1

[0020] As shown in Figure 1 , Figure 3 , Figure 4 and Figure 5As shown in the figure, a base 2 is fixedly connected to the bottom of the circular ring frame 1, a bottom plate 3 is fixedly connected to the bottom end of the base 2, a plurality of support rods 4 are axially and fixedly connected to the inner wall of the circular ring frame 1, a fixing rod 5 is fixedly connected to the middle of the plurality of support rods 4, a driving box 6 is connected to the right side wall of the fixing rod 5, a plurality of receiving arms 7 are axially and evenly connected to the outer wall of the driving box 6, a driving bevel gear 9 is rotatably installed inside the driving box 6, an installation groove is opened at the right end of the fixing rod 5, a forward and reverse motor 8 is fixed in the installation groove, and the output end of the forward and reverse motor 8 is connected to the input end of the driving bevel gear 9. A threaded rod 10 is rotatably installed in the middle of the receiving arm 7, one end of the threaded rod 10 is input into the driving box 6 and connected with a driven bevel gear 11, and the driven bevel gear 11 meshes with the driving bevel gear 9. A telescopic arm 12 is slidably installed inside the receiving arm 7, and the middle of the telescopic arm 12 is screwed on the outer wall of the threaded rod 10. An arc-shaped support block 13 is fixedly installed at the outer end of the telescopic arm 12. An annular rotating groove is opened inside the circular ring frame 1, a rotating ring 15 is rotatably installed in the annular rotating groove, a toothed ring 16 is sleeved on the outer wall of the rotating ring 15, a driving cavity is opened inside the base 2, the driving cavity communicates with the annular rotating groove, a driving gear 17 is rotatably installed in the driving cavity, and the driving gear 17 meshes with the toothed ring 16. An installation groove is opened on the left side wall of the base 2, a transmission 18 is fixed in the installation groove, the output end of the transmission 18 is connected to the input end of the driving gear 17, and the input end of the transmission 18 is connected to the output end of a driving motor 19. A circular rotating groove is opened on the right side wall of the circular ring frame 1, a circular ring 20 is rotatably installed in the circular rotating groove, the left side wall of the circular ring 20 is connected to the right side wall of the rotating ring 15, two adjusting arms 21 are symmetrically installed on the upper and lower sides of the right side wall of the circular ring 20, an adjusting slide rail 22 is slidably installed inside the adjusting arm 21, an adjusting chute is opened on the right side wall of the adjusting arm 21, a stud 23 is arranged at the lower part of the right side wall of the adjusting slide rail 22, the stud 23 is slidably installed in the adjusting chute, guiding chutes are opened at the front and rear ends of the adjusting slide rail 22, the front and rear ends of a U-shaped tool holder 24 are slidably installed in the guiding chutes of the adjusting slide rail 22, fastening bolts 25 are screwed on the front and rear ends of the U-shaped tool holder 24, and a bevel tool is arranged on the right side wall of the U-shaped tool holder 24;

[0021] During use, place the circular ring frame 1 at the end of the pipeline, support the device through the base 2 and the bottom plate 3, and at the same time insert the fixed rod 5 into the interior of the pipeline. After the fixed rod 5 extends into the interior of the polyurethane pre-insulated pipeline, start the forward and reverse motor 8 to drive the driving bevel gear 9 to rotate. The driving bevel gear 9 drives the threaded rod 10 to rotate through the driven bevel gear 11, pushing the telescopic arm 12 to extend within the receiving arm 7, so that multiple arc-shaped support blocks 13 are simultaneously in contact with and clamped against the inner wall of the polyurethane pre-insulated pipeline, limiting and fixing the device, ensuring stability during processing, being applicable to polyurethane pre-insulated pipelines with different inner diameters, and facilitating popularization. Start the driving motor 19 to drive the driving gear 17 to rotate through the transmission 18. The driving gear 17 drives the rotating ring 15 to rotate through the toothed ring 16, thereby driving the circular ring 20 to rotate and output power on the right side wall of the circular ring frame 1. Two bevel cutters process simultaneously, improving labor efficiency and accelerating the construction progress. Loosen the fastening bolt 25, drive the U-shaped tool holder 24 on the adjustment slide rail 22 according to the diameter of the pipeline to be processed, adjust it to the appropriate position, and then tighten the fastening bolt 25 for fixation. Pull the adjustment slide rail 22 to extend within the adjustment arm 21, driving the stud 23 to move within the adjustment chute, and tighten the stud 23 to fix the adjustment slide rail 22, which can increase the adjustment range of the U-shaped tool holder 24 and improve the applicable range.

[0022] Embodiment 2

[0023] As Figure 2 、 Figure 3 and Figure 5 shown, on the basis of Embodiment 1, it further includes that a plurality of support rods 26 are axially and fixedly connected to the inner wall of the circular ring 20. The other ends of the support rods 26 are fixedly connected to the outer wall of the bearing 27. The bearing 27 is rotatably installed on the outer wall of the fixed rod 5. One end of the adjustment arm 21 is connected to the outer wall of the bearing 27. Arc-shaped support rods 14 are connected between the outer walls of the two receiving arms 7. Anti-slip ridges are provided on the outer wall of the arc-shaped support block 13;

[0024] Support during cutting through the support rods 26 and the bearing 27, ensure the processing quality, improve the structural strength of the device, and increase the service life. Support between adjacent two receiving arms 7 through the arc-shaped support rods 14, increase stability, and improve the service life. The anti-slip ridges can increase the friction with the inner wall of the pipeline, avoid slipping, and at the same time avoid damaging the inner wall of the pipeline and affecting the use.

[0025] As Figures 1 to 5As shown in the figure, when the electric beveling machine for pressure-resistant polyurethane insulation pipes of the present utility model is working, the circular ring frame 1 is placed at the end of the pipe, and the device is supported by the base 2 and the bottom plate 3. At the same time, the fixed rod 5 is input into the pipe. The forward and reverse motor 8 is started to drive the driving bevel gear 9 to rotate. The driving bevel gear 9 drives the threaded rod 10 to rotate through the driven bevel gear 11, and pushes the telescopic arm 12 to extend in the receiving arm 7, so that a plurality of arc-shaped support blocks 13 are simultaneously in contact with and clamped to the inner wall of the ammonia ester prefabricated insulation pipe, and the device is limited and fixed. The anti-slip convex strips can increase the friction force with the inner wall of the pipe. Loosen the fastening bolt 25, drive the U-shaped tool holder 24 on the adjustment slide rail 22 according to the diameter of the pipe to be processed, and after adjusting to the appropriate position, tighten the fastening bolt 25 for fixation. Start the driving motor 19 to drive the driving gear 17 to rotate through the transmission 18. The driving gear 17 drives the rotating ring 15 to rotate through the tooth ring 16, thereby driving the circular ring 20 to rotate and output power on the right side wall of the circular ring frame 1, driving the adjustment arm 21 to rotate, and the adjustment arm 21 drives the U-shaped tool holder 24 to rotate, so that the two beveling knives process simultaneously, and are supported by the support rod 26 and the bearing 27 during cutting to ensure the processing quality.

[0026] The forward and reverse motor 8, the transmission 18 and the driving motor 19 of the electric beveling machine for pressure-resistant polyurethane insulation pipes of the present utility model are purchased on the market. Technical personnel in this industry only need to install and operate according to the attached operation manual, and there is no need for technical personnel in this field to make creative efforts.

[0027] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in the technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. An electric beveling machine for pressure-resistant polyurethane insulation pipe, characterized in that: The invention comprises a circular frame (1), wherein the bottom of the circular frame (1) is fixedly connected to a base (2), the bottom end of the base (2) is fixedly connected to a bottom plate (3), a plurality of support rods (4) are axially fixedly connected to the inner wall of the circular frame (1), a fixed rod (5) is fixedly connected to the middle of the plurality of support rods (4), an adjustable limit assembly is installed at the right end of the fixed rod (5) to fix the device, a rotating assembly is fixedly installed on the right wall of the circular frame (1), and a cutting assembly is installed on the rotating assembly.

2. The electric beveling machine for pressure-resistant polyurethane thermal insulation pipe according to claim 1, characterized in that: The adjustable limit assembly comprises a drive box (6), a plurality of storage arms (7), a forward and reverse motor (8), an active bevel gear (9), a plurality of threaded rods (10), a plurality of driven bevel gears (11), a plurality of telescopic arms (12) and a plurality of arc-shaped support blocks (13); the right side wall of the fixed rod (5) is connected to the drive box (6); the outer wall of the drive box (6) is axially and evenly connected to the plurality of storage arms (7); the driving bevel gear (9) is rotatably mounted inside the drive box (6); the right end of the fixed rod (5) is provided with an installation slot; the forward and reverse motor (8) is fixed on the In the installation groove, the output end of the forward and reverse motor (8) is connected to the input end of the active bevel gear (9), a threaded rod (10) is rotatably installed in the middle of the storage arm (7), one end of the threaded rod (10) is input into the driving box (6) and connected to the driven bevel gear (11), the driven bevel gear (11) is meshed with the active bevel gear (9), the telescopic arm (12) is slidably installed in the storage arm (7), and the middle part of the telescopic arm (12) is screwed on the outer wall of the threaded rod (10), and the outer end of the telescopic arm (12) is fixedly installed with an arc-shaped support block (13).

3. The electric beveling machine for pressure-resistant polyurethane thermal insulation pipe according to claim 1, characterized in that: The rotating assembly comprises a rotating ring (15), a gear ring (16), a driving gear (17), a transmission (18), a driving motor (19) and a circular ring (20). An annular rotating groove is provided inside the circular ring frame (1), the rotating ring (15) is rotatably mounted in the annular rotating groove, the gear ring (16) is sleeved on the outer wall of the rotating ring (15), a driving cavity is provided inside the base (2), the driving cavity is communicated with the annular rotating groove, the driving gear (17) is rotatably mounted in the driving cavity, the driving gear (17) is meshed with the gear ring (16), a mounting groove is provided on the left side wall of the base (2), the transmission (18) is fixed in the mounting groove, the output end of the transmission (18) is connected to the input end of the driving gear (17), the input end of the transmission (18) is connected to the output end of the driving motor (19), a circular rotating groove is provided on the right side wall of the circular ring frame (1), the circular ring (20) is rotatably mounted in the circular rotating groove, and the left side wall of the circular ring (20) is connected to the right side wall of the rotating ring (15).

4. The electric beveling machine for pressure-resistant polyurethane thermal insulation pipe according to claim 3, characterized in that: The cutting assembly comprises two adjusting arms (21), two adjusting slide rails (22), a U-shaped tool holder (24) and two sets of fastening bolts (25). The two adjusting arms (21) are symmetrically mounted on the right side wall of the ring (20) from top to bottom. The right adjusting slide rail (22) is slidably mounted in the adjusting arm (21). An adjusting slide groove is provided on the right side wall of the adjusting arm (21). A stud (23) is provided at the lower part of the right side wall of the adjusting slide rail (22). The stud (23) is slidably mounted in the adjusting slide groove. Guide slide grooves are provided at the front and rear ends of the adjusting slide rail (22). The front and rear ends of the U-shaped tool holder (24) are slidably mounted in the guide slide groove of the adjusting slide rail (22). Fastening bolts (25) are screwed at the front and rear ends of the U-shaped tool holder (24). A beveling cutter is provided on the right side wall of the U-shaped tool holder (24).

5. The electric beveling machine for pressure-resistant polyurethane thermal insulation pipe according to claim 3, characterized in that: A plurality of support rods (26) are axially fixedly connected to the inner wall of the circular ring (20); the other end of the support rod (26) is fixedly connected to the outer wall of a bearing (27); the bearing (27) is rotatably mounted on the outer wall of the fixed rod (5); and one end of the adjusting arm (21) is connected to the outer wall of the bearing (27).

6. The electric beveling machine for pressure-resistant polyurethane thermal insulation pipe according to claim 2, characterized in that: An arc-shaped support rod (14) is connected between the outer walls of the two storage arms (7).

7. The electric beveling machine for pressure-resistant polyurethane thermal insulation pipe according to claim 2, characterized in that: Anti-slip convex strips are arranged on the outer wall of the arc-shaped support block (13).

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