Outer circle repairing device of rotary cutting beveling machine

Abstract

The utility model relates to the field of beveling machine repairing, in particular to an outer circle repairing device of a rotary type cutting beveling machine, which comprises a back plate, a vertical movement assembly, a quick release assembly, a shifting knife unit assembly and a horizontal knife rest assembly. The shifting knife unit assembly and the worm and gear assembly are both fixed in the horizontal knife rest assembly, the horizontal knife rest assembly is fixed on the rotary type electric pipe cutting machine, and the worm and gear assembly is connected with the vertical operation assembly through the quick disengaging assembly to achieve vertical movement. The tool can move back and forth along the axial direction of the pipeline by matching with the quick disengagement and connection assembly, is extremely convenient and quick to disassemble and assemble, can be suitable for repairing the outer circles of all thick-wall pipelines with different pipe diameters, can be used in various fields, and is extremely wide in application and extremely high in practicability.

Description

Technical Field

[0001] The utility model relates to the field of groove machine repair, in particular to a rotary cutting groove machine outer circle device. Background Art

[0002] With the demand for pipeline installation and maintenance in various fields, higher requirements are placed on the on-site docking construction of pipelines, especially for pre-buried pipelines, pipeline corridors, and narrow spaces between pipelines, which requires very high quality for the flatness of the outer wall of the butt-welded pipeline.

[0003] However, the prior art has the following defects: the equipment on the market cannot meet the requirements of portable and cold cutting processing technology; in order to solve this technical problem, it is particularly important to develop a new rotary electric pipe cutting machine outer circle repair device, which can be installed on the rotary electric pipe cutting machine to repair the outer wall of pipes with different diameters, adopts a modular design as a whole, and is extremely convenient and quick to install and disassemble. Utility Model Content

[0004] The utility model aims to provide a rotary cutting and beveling machine outer circle repair device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary cutting and beveling machine external circle device, comprising a back plate, a vertical motion component, a quick-release component, a knife shifting unit component and a horizontal tool holder component, the horizontal tool holder component comprising a horizontal tool holder upper portion and a horizontal tool holder lower portion, the bottom of the horizontal tool holder upper portion and the top of the horizontal tool holder lower portion are threadedly connected by connecting bolts, a knife shifting unit component is fixedly installed in the middle of one side of the horizontal tool holder component, an installation cavity is opened inside the horizontal tool holder component, a worm gear and a worm are arranged inside the installation cavity, and the worm gear and the worm are connected to the vertical motion component through a quick-release component.

[0006] The above technical solution is adopted, in which the horizontal tool holder assembly is fixed on the rotary electric pipe cutting machine equipment, and the worm gear assembly is connected to the vertical running assembly through a quick release assembly to achieve up and down movement.

[0007] The knife shifting unit assembly includes a fixed seat, which is fixedly connected to the middle part of one side of the horizontal tool holder assembly. A feed screw is inserted into the middle part of the fixed seat, and a gland nut is fixedly installed at one end of the feed screw away from the horizontal tool holder assembly. A knife shifting flywheel is provided between the fixed seats.

[0008] The above technical solution is adopted, in which the gland nut is located at the end of the feed screw rod and is used to tighten the knife flywheel.

[0009] One end of the feed screw rod close to the horizontal tool holder assembly is fixedly connected to one end of the worm, the worm is meshed with the worm wheel, a worm wheel mounting groove and a worm mounting groove are provided in the mounting cavity, and the worm wheel and worm are respectively clamped and installed in the worm wheel mounting groove and the worm mounting groove.

[0010] The above technical solution is adopted, in which the knife-moving flywheel drives the feed screw for transmission, the feed screw drives the worm for transmission, and the worm drives the worm wheel for transmission.

[0011] The quick-release assembly includes a spiral hollow slot shaft and a feed screw, one end of the spiral hollow slot shaft is fixedly installed with a compression spring, and one end of the feed screw is connected to the spiral hollow slot shaft through a pin shaft with clearance fit.

[0012] The above technical solution is adopted. The spiral hollow slot shaft of the solution is a hollow structure and is provided with a spiral slot, which is convenient for quick connection and disconnection of the transmission shaft.

[0013] The bottom of the back plate is fixedly mounted to one side of the top of the horizontal tool holder assembly, and L-shaped slides are fixedly mounted on both sides of the front of the back plate, wherein a wedge is fixedly mounted on the inner wall of one side of the L-shaped slide, and a vertical motion assembly is slidably mounted in the middle of the front of the back plate.

[0014] By adopting the above technical solution, the vertical motion component of the solution is engaged between the slots on the front side of the back plate and can move vertically up and down.

[0015] The vertical motion component includes a tool holder and a transmission screw. A base is fixedly installed in the middle of the top of the front side of the back plate. A circular through hole is opened on the base. A circular through hole is opened in the middle of the tool holder. The transmission screw is inserted and installed in the circular through hole of the base and the circular through hole of the tool holder in sequence.

[0016] By adopting the above technical solution, the feed screw and the slider realize the thread pair transmission, and the slider body can move forward and backward.

[0017] A square connection block is fixedly installed on the bottom of the spiral hollow slot shaft, and the bottom of the spiral hollow slot shaft is fixedly connected to the transmission shaft of the worm gear.

[0018] The above technical solution is adopted. In this solution, a transmission shaft is fixed inside the worm wheel, and the worm gear has good self-locking properties, which prevents the tool from retreating during the cutting process.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: the rotary electric pipe cutting machine outer circle repair device adopts a modular design, and each individual module has a combination of small modules, which greatly improves the processing efficiency; it completely adopts cold processing turning technology, which is particularly suitable for processing and use in flammable and explosive occasions, and solves the technical problem of rapid connection and disconnection in a narrow space. The structural design is ingenious, the size is small, the weight is light, the movement is flexible, the various parts can be detachably connected, and it is convenient to assemble and disassemble and transport, and it has a wide range of uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the blade shifting unit assembly of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the lower half of the horizontal tool holder assembly of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the quick-release connector in the utility model;

[0024] Figure 5 It is a schematic diagram of the structure of the vertical motion component in the utility model;

[0025] Figure 6 It is a schematic diagram of the worm gear transmission structure in the utility model.

[0026] In the figure: 1. back plate; 2. vertical motion assembly; 3. tool holder; 4. feed screw; 5. quick release assembly; 6. tool shifting unit assembly; 7. connecting bolt; 8. horizontal tool holder assembly; 9. lower part of horizontal tool holder; 10. upper part of horizontal tool holder; 11. L-shaped slide; 12. wedge; 13. transmission screw; 14. base; 15. gland nut; 16. tool shifting flywheel; 17. fixed seat; 18. feed screw; 19. worm gear; 20. worm; 21. mounting cavity; 22. worm gear mounting groove; 23. worm mounting groove; 24. spiral hollow slot shaft; 25. compression spring; 26. pin shaft. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-6The utility model provides a rotary cutting and beveling machine outer circle device, comprising a back plate 1, a vertical motion component 2, a quick release component 5, a knife shifting unit component 6 and a horizontal tool holder component 8, the horizontal tool holder component 8 comprising a horizontal tool holder upper part 10 and a horizontal tool holder lower part 9, the bottom of the horizontal tool holder upper part 10 is threadedly connected with the top of the horizontal tool holder lower part 9 by a connecting bolt 7, the knife shifting unit component 6 is fixedly installed in the middle of one side of the horizontal tool holder component 8, an installation cavity 21 is opened inside the horizontal tool holder component 8, a worm gear 19 and a worm 20 are arranged inside the installation cavity 21, the worm gear 19 and the worm 20 are connected with the vertical motion component 2 by the quick release component 5, and can be moved up and down.

[0029] The knife shifting unit assembly 6 includes a fixed seat 17, which is fixedly connected to the middle part of one side of the horizontal tool holder assembly 8. A feed screw 18 is inserted into the middle part of the fixed seat 17, and a gland nut 15 is fixedly installed at one end of the feed screw 18 away from the horizontal tool holder assembly 8. A knife shifting flywheel 16 is provided between the fixed seats 17, and the gland nut 15 plays the role of tightening and reinforcing the knife shifting flywheel 16.

[0030] One end of the feed screw 18 close to the horizontal tool holder assembly 8 is fixedly connected to one end of the worm 20, the worm 20 is meshed with the worm wheel 19, a worm wheel mounting groove 22 and a worm mounting groove 23 are provided in the mounting cavity 21, the worm wheel 19 and the worm 20 are respectively snap-fitted and mounted in the worm wheel mounting groove 22 and the worm mounting groove 23, and the worm wheel 19 and the worm 20 have good self-locking performance.

[0031] The quick-release assembly 5 includes a spiral hollow slot shaft 24 and a feed screw 4. A compression spring 25 is fixedly installed at one end of the spiral hollow slot shaft 24. One end of the feed screw 4 is connected to the spiral hollow slot shaft 24 with a clearance fit through a pin shaft 26, and the pin shaft 26 is engaged in the slot of the spiral hollow slot shaft 24.

[0032] The bottom of the back plate 1 is fixedly installed on one side of the top of the horizontal tool holder assembly 8, and L-shaped slides 11 are fixedly installed on both sides of the front of the back plate 1, and a wedge iron 12 is fixedly installed on the inner wall of one side of the L-shaped slide 11. A vertical motion assembly 2 is slidably installed in the middle of the front of the back plate 1, and the back plate 1 facilitates the up and down movement of the vertical motion assembly 2.

[0033] The vertical motion assembly 2 includes a tool holder 3 and a transmission screw 13. A base 14 is fixedly installed in the middle of the top of the front side of the back plate 1. A circular through hole is opened on the base 14. A circular through hole is opened in the middle of the tool holder 3. The transmission screw 13 is inserted and installed in the circular through hole of the base 14 and the circular through hole of the tool holder 3 in sequence. The bottom of the transmission screw 13 is fixedly connected to the top of the feed screw 4.

[0034] A square connecting block is fixedly installed at the bottom of the spiral hollow slot shaft 24 , and the bottom of the spiral hollow slot shaft 24 is fixedly connected to the transmission shaft of the worm gear 19 . The connecting block facilitates the connection between the spiral hollow slot shaft 24 and the worm gear 19 .

[0035] Working principle: first fix the horizontal tool holder assembly 8 on the rotary electric pipe cutting machine, start the machine, and the tool shifting device automatically shifts the tool shifting flywheel 16, which drives the feed screw 18 to rotate, the feed screw 18 drives the worm 20 to rotate, the worm 20 drives the worm wheel 19 to rotate, and the worm wheel 19 drives the quick-release assembly 5. The quick-release assembly 5 drives the top tool holder 3 to move up and down in the vertical direction through the feed screw 4; when the tool holder 3 moves to the bottom, the transmission screw 13 needs to disengage the spiral hollow slot shaft 24, so that the pin shaft 26 is stuck in the slot of the spiral hollow slot shaft 24, so as to realize the transmission separation of the feed screw 4 and the worm wheel 19, and then rotate the top hexagon of the feed screw 4 to realize the rapid movement of the tool holder 3 to the top; at this time, move upward and rotate the spiral hollow slot shaft 24 counterclockwise, so that the pin shaft 26 is screwed into the slot of the spiral hollow slot shaft 24 to disengage, and then insert it into the center square hole of the worm wheel 19 to realize rapid connection in place.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rotary cutting and beveling machine external cylindrical device, comprising a back plate (1), a vertical motion assembly (2), a quick release assembly (5), a blade shifting unit assembly (6) and a horizontal tool holder assembly (8), characterized in that: The horizontal tool holder assembly (8) comprises a horizontal tool holder upper part (10) and a horizontal tool holder lower part (9), the bottom of the horizontal tool holder upper part (10) is threadedly connected to the top of the horizontal tool holder lower part (9) via a connecting bolt (7), a tool shifting unit assembly (6) is fixedly installed in the middle of one side of the horizontal tool holder assembly (8), an installation cavity (21) is provided inside the horizontal tool holder assembly (8), a worm gear (19) and a worm (20) are provided inside the installation cavity (21), and the worm gear (19) and the worm (20) are connected to the vertical motion assembly (2) via a quick release assembly (5).

2. A rotary cutting and beveling machine outer circle repair device according to claim 1, characterized in that: The knife shifting unit assembly (6) includes a fixed seat (17), the fixed seat (17) is fixedly connected to the middle part of one side of the horizontal knife holder assembly (8), a feed screw (18) is inserted into the middle part of the fixed seat (17), a gland nut (15) is fixedly installed at one end of the feed screw (18) away from the horizontal knife holder assembly (8), and a knife shifting flywheel (16) is provided between the fixed seat (17) and the fixed seat (17).

3. A rotary cutting and beveling machine outer circle repair device according to claim 2, characterized in that: One end of the feed screw (18) close to the horizontal tool holder assembly (8) is fixedly connected to one end of the worm (20), the worm (20) is meshed with the worm wheel (19), a worm wheel mounting groove (22) and a worm mounting groove (23) are provided in the mounting cavity (21), and the worm wheel (19) and the worm (20) are respectively engaged and mounted in the worm wheel mounting groove (22) and the worm mounting groove (23).

4. A rotary cutting and beveling machine outer circle repair device according to claim 1, characterized in that: The quick-release assembly (5) comprises a spiral hollow slot shaft (24) and a feed screw (4); a compression spring (25) is fixedly mounted on one end of the spiral hollow slot shaft (24); and one end of the feed screw (4) is loosely connected to the spiral hollow slot shaft (24) via a pin shaft (26).

5. The rotary cutting and beveling machine outer circle repair device according to claim 1, characterized in that: The bottom of the back plate (1) is fixedly mounted to one side of the top of the horizontal tool holder assembly (8), and L-shaped slides (11) are fixedly mounted on both sides of the front of the back plate (1), wherein a wedge iron (12) is fixedly mounted on the inner wall of one side of the L-shaped slide (11), and a vertical motion assembly (2) is slidably mounted in the middle of the front of the back plate (1).

6. The rotary cutting and beveling machine outer circle repair device according to claim 1, characterized in that: The vertical motion assembly (2) comprises a tool holder (3) and a transmission screw (13); a base (14) is fixedly mounted in the middle of the top of the front face of the back plate (1); a round through hole is formed on the base (14); a round through hole is formed in the middle of the tool holder (3); and the transmission screw (13) is inserted and mounted in the round through hole of the base (14) and the round through hole of the tool holder (3) in sequence.

7. A rotary cutting and beveling machine outer circle repair device according to claim 4, characterized in that: A square connection block is fixedly mounted on the bottom of the spiral hollow slot shaft (24), and the bottom of the spiral hollow slot shaft (24) is fixedly connected to the transmission shaft of the worm wheel (19).

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