CN219520672U

CN219520672U - Planetary cutting saw

Info

Publication number: CN219520672U
Application number: CN202320199787.3U
Authority: CN
Inventors: 张连栋; 王远斌; 张其波; 连广宇
Original assignee: Qingdao Yuantongda Zhongtong Energy Group Co ltd
Current assignee: Qingdao Yuantongda Zhongtong Energy Group Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-08-15
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to a planetary cutting saw, which comprises a support, a clamping plate, a rotating plate and an upper cutter plate, wherein the rotating plate and the clamping plate are coaxially and rotatably connected to the support; the sliding piece is arranged on the support in a sliding way along the radial direction of the clamping plate, one side, close to the sliding piece, of the clamping plate is provided with a rotating thread, the sliding piece is meshed with the corresponding rotating thread of the clamping plate, the clamping plate rotates, and all the sliding pieces are mutually close to or far away from each other; the pressing rods are arranged in one-to-one correspondence with the sliding parts, the middle sections of the pressing rods are rotationally connected with the corresponding sliding parts, and the rotation direction of the pressing rods is parallel to the axis direction of the support. The planetary cutting saw has the effect that the planetary cutting saw can clamp the outer walls of the same pipeline with different outer diameters.

Description

Planetary cutting saw

Technical Field

The utility model relates to the field of planetary cutting saws, in particular to a planetary cutting saw.

Background

The planetary cutting saw is a pipeline cutting device, a pipe to be cut is fixed on a self-centering clamping device in operation through motor driving, the pipeline is static, and the cutting head rotates for 360 degrees to cut the pipeline.

In the related art, a plurality of clamping heads are arranged on a self-centering clamping device of the planetary cutting machine, the clamping heads are arranged around the axis of a pipeline, and the clamping heads are abutted to the outer wall of the pipeline to clamp the pipeline. The clamping head is of an integrated design, and one end of the clamping head, which is close to the pipeline, is parallel to the axis direction of the pipeline.

For the related art in the above, for the production requirement, some pipelines are in cone-shaped structures, the outer diameters of the different positions of the pipe body are different, and the clamping requirement of the pipeline cannot be met by the clamping device of the conventional planetary cutting saw.

Disclosure of Invention

In order to enable the planetary cutting saw to clamp the outer walls of pipelines with different outer diameters of the same pipeline, the utility model provides the planetary cutting saw.

The utility model provides a planetary cutting saw which adopts the following technical scheme:

a planetary cutting saw, comprising:

the cutting device comprises a support, a clamping plate, a rotating plate and an upper cutter plate, wherein the rotating plate and the clamping plate are coaxially connected to the support in a rotating mode, the upper cutter plate is connected to the rotating plate in a rotating mode at the position close to the edge of the upper cutter plate, the upper cutter plate can be relatively fixed to the rotating plate, mounting holes which are mutually communicated are formed in the central positions of the clamping plate, the rotating plate and the upper cutter plate, and a cutting knife is connected to the position, close to the mounting holes, of the upper cutter plate;

the sliding parts are provided with a plurality of sliding parts, the sliding parts are radially arranged on the support in a sliding mode along the clamping plates, rotating threads are formed in one side, close to the sliding parts, of the clamping plates, the sliding parts are meshed with the corresponding rotating threads of the clamping plates, the clamping plates rotate, and all the sliding parts are mutually close to or far away from the central axis of the clamping plates;

the pressing rods are arranged in one-to-one correspondence with the sliding parts, the middle sections of the pressing rods are rotationally connected with the corresponding sliding parts, and the rotation direction of the pressing rods is parallel to the axis direction of the support.

Through adopting above-mentioned technical scheme, when the user cuts the pipeline, wear to locate grip block, rotating plate and last cutting board with the pipeline, rotate the grip block, the rotation screw thread of grip block drive all sliders and press the pole and trend grip block central axis position department motion jointly, until press the pole butt in the pipeline outer wall, to the pipeline that each section pipe diameter is different, press the pole by the great one section of pipe diameter to the less one section slope of pipe diameter. The upper cutting board is rotated, so that the cutting knife cuts and feeds the pipeline, the upper cutting board is fixed on the rotating board after feeding to a certain depth, the rotating board is driven to rotate, the rotating board drives the cutting knife to jointly rotate around the circumference of the pipeline, the cutting knife rotates for a circle, and the pipeline is cut once. In this design, press the pole and rotate with the slider and be connected, press the pipeline outer wall that the pole can laminate pipe diameter change better, stabilize the centre gripping to the pipeline in the cutting process, be favorable to promoting the smoothness of pipeline cutting end face.

Optionally, one end of each pressing rod, which is close to the central shaft of the clamping plate, is all set to be an arc surface, an arc opening of the arc surface is close to the central shaft of the clamping plate, and the axis of the arc surface is parallel to the central shaft of the clamping plate.

By adopting the technical scheme, the cambered surface of the pressing rod can be better attached to the cambered surface of the outer wall of the pipeline, so that the stability of the pressing rod in clamping the pipeline is improved; meanwhile, the design can reduce the applied pressure of the pressing rod in the unit area of the abutting part of the outer wall of the pipeline, and reduce the probability of extrusion deformation of the pressing rod to the pipe wall.

Optionally, the method comprises the following steps:

the rubber pads are arranged in one-to-one correspondence with the pressing rods, and are fixedly connected to one ends of the pressing rods, which are close to the central shaft of the clamping plate.

Through adopting above-mentioned technical scheme, rubber pad butt in the pipeline outer wall can make to press the pole and carry out the centre gripping to the pipeline more steadily, and the rubber pad can reduce simultaneously and press the pole butt and cause the degree of wear of pipeline outer wall in the pipeline outer wall.

Optionally, all the pressing rods are inclined from one end close to the clamping plate to one end close to the rotating plate.

Through adopting above-mentioned technical scheme, during the material loading, keep away from one end each other by all pressing bars with the pipeline and insert to pressing bars one end that is close to each other, make staff's material loading process convenient and fast more.

Optionally, the method comprises the following steps:

the torsion springs are arranged in one-to-one correspondence with the pressing rods, the torsion springs are fixedly connected to the rotating connection points corresponding to the pressing rods and the clamping plates, and when one ends, close to the rotating plates, of the pressing rods tend to be far away from each other, the corresponding torsion springs of the pressing rods provide force for the corresponding pressing rods, so that one ends, close to the rotating plates, of the pressing rods tend to be close to each other.

Through adopting above-mentioned technical scheme, the torsional spring can make the push rod tend to maintain with the inclination, simultaneously, the material loading in-process is difficult for pressing the push rod and is rocked by a wide margin because staff's mistake touches, and the push rod is less to the pipeline interference of material loading in-process.

Optionally, the method comprises the following steps:

the clamping wheel is rotationally connected to the support, clamping teeth are fixedly connected to the clamping plate along the circumferential direction of the clamping plate, and the clamping teeth corresponding to the clamping plate are meshed with the clamping wheel;

and the rocker is inserted into the center of the clamping wheel shaft and can drive the clamping wheel to rotate.

Through adopting above-mentioned technical scheme, the rotation of grip block can be realized through rocker drive grip block rotation, and the grip block is inserted and is located the grip block, then after the drive presses the tight pipeline of pole clamp, can extract the rocker, prevents that the unexpected grip block that rotates of staff, leads to pressing the not hard up condition of pole to the centre gripping of pipeline.

Optionally, the method comprises the following steps:

the adjusting wheel is connected to the upper cutter plate, the adjusting wheel is arranged on the rotating plate in a sliding mode, the adjusting wheel is arranged at a position, away from the connecting position with the upper cutter plate, of the rotating plate, and the sliding track of the adjusting wheel is an arc section taking the connecting point of the rotating plate and the upper cutter plate as a circle center;

the cam is rotationally connected to the position of the rotating plate corresponding to the adjusting wheel, the cam is in a crescent shape, the concave section of the cam is abutted against the adjusting wheel, and the cam can rotate to drive the adjusting wheel to drive the position of the upper cutter plate corresponding to the cutter to be close to or far away from the position of the axis of the clamping plate;

the adjusting rod is fixedly connected to the cam, the cam can be driven to rotate by the adjusting rod, and the rotating plate can be clamped by the adjusting rod.

Through adopting above-mentioned technical scheme, the feed process of cutting knife can be realized through controlling the regulation pole, adjusts pole drive cam rotation, and pivoted cam promotes the regulating wheel and slides along the adjustment groove, and gliding regulating wheel drives the cutting knife to be close to the gliding process of grip block axle center position department, is the feed process of cutting knife promptly, and after the feed was accomplished, adjusts the pole joint in the revolving plate, rotates jointly with the revolving plate, cuts the pipeline. The design of the cam, the rocker and the adjusting wheel ensures that the feeding process and the feeding depth of a cutting knife are more controllable for a worker, thereby improving the cutting precision.

Optionally, the upper knife plate is inserted and located the regulating wheel, the regulating wheel is provided with fixing bolt, fixing bolt can the butt in the upper knife plate and make upper knife plate with relatively fixed between the regulating wheel.

Through adopting above-mentioned technical scheme, the user can unscrew fixing bolt before the feed, makes the upper knife board drive the cutting knife and slides for the regulating wheel, at first roughly adjusts the cutting knife according to the pipe diameter for the position of pipeline, is favorable to promoting cutting accuracy.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the design of the sliding piece and the pressing rod realizes the stable clamping of the outer walls of the same pipeline with different outer diameters;

2. the inclined design of the pressing rod enables the feeding process of workers to be more convenient and quicker;

3. the design of the cam, the rocker and the adjusting wheel ensures that the feeding process and the feeding depth of a cutting knife are more controllable for a worker, thereby improving the cutting precision.

Drawings

FIG. 1 is a schematic view of the overall structure of a planetary cutting saw according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of a planetary cutting saw according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a clamping plate of a planetary cutting saw according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a support; 11. a clamping wheel; 12. a rocker; 13. a rotating motor; 2. a clamping plate; 21. a mounting hole; 22. clamping teeth; 3. a slider; 31. pressing a pressing rod; 32. a rubber pad; 33. a torsion spring; 4. a rotating plate; 41. an adjustment tank; 42. an adjusting wheel; 43. a cam; 44. an adjusting rod; 45. fixing a knob; 46. rotating the teeth; 47. a rotating wheel; 5. an upper knife board; 51. a cutting knife; 52. and (5) cutting the motor.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a planetary cutting saw. Referring to fig. 1 and 2, a planetary cutting saw, including support 1, support 1 rotates and is connected with grip block 2 and changes board 4, and grip block 2 and change board 4 coaxial setting, and grip block 2 and change board 4's axis direction level sets up, and change board 4 keep away from grip block 2 one end rotation and be connected with last cutting board 5, and the rotation tie point of going up cutting board 5 and change board 4 corresponds last cutting board 5 edge setting, and last cutting board 5 can be fixed in change board 4 relatively. The upper knife plate 5, the rotating plate 4 and the clamping plate 2 are provided with mutually communicated mounting holes 21. The upper knife plate 5 is inserted with a cutting motor 52 near the position of the mounting hole 21, an output shaft of the cutting motor 52 is axially arranged parallel to the upper knife plate 5, and the cutting motor 52 is fixed on the upper knife plate 5 through bolts. The output shaft of the cutting motor 52 is coaxially and fixedly connected with a cutting knife 51.

Referring to fig. 2 and 3, the support 1 is provided with three sliding parts 3 around the circumferential array of the central shaft of the clamping plate 2, the three sliding parts 3 are all radially slidably arranged on the support 1 along the clamping plate 2, the clamping plate 2 is provided with coaxially arranged threads on one side close to the sliding parts 3, the sliding parts 3 are engaged with the threads, the clamping plate 2 rotates, and the three sliding parts 3 can be driven to be jointly close to or far away from the central shaft of the clamping plate 2. The central axis position department that every slider 3 corresponds grip block 2 all rotates and is connected with presses the pole 31, presses the pole 31 and is close to middle section position department rotation and connects in the slider 3 that corresponds, presses the pole 31 and corresponds between the slider 3 rigid coupling have torsional spring 33, and in the natural state, all presses the pole 31 and is kept away from each other the slope from being close to the one end of grip block 2 to being close to the one end of swivel plate 4. Each pressing rod 31 is provided with an arc surface near one end of the central axis of the clamping plate 2, and an arc opening of the arc surface is near the central axis of the clamping plate 2. Each pressing rod 31 is fixedly connected with a rubber pad 32 on one side corresponding to the cambered surface of the pressing rod 31, and the rubber pad 32 is attached to the cambered surface curvature of the corresponding pressing rod 31.

The following effects are achieved: when cutting the pipeline, insert the pipeline in the mounting hole 21 positions that grip block 2, rotating plate 4 and upper knife board 5 correspond, the pipeline is kept away from one end by all pressing rods 31 each other and is inserted, is worn out by pressing rods 31 each other near one end. The clamping plate 2 is rotated, and the clamping plate 2 drives all sliding parts 3 and the pressing rods 31 to slide in the direction close to the central axis of the clamping plate 2 until rubber pads 32 corresponding to the pressing rods 31 are abutted against the outer wall of the pipeline. For the outer walls of the same pipeline with different outer diameters, the pressing rods 31 incline from the larger outer diameter positions to the smaller outer diameter positions of the pipeline, and the pipeline can be clamped at the central axis positions of the clamping plates 2 by all the pressing rods 31 in a stable mode.

The design realizes the stable clamping of the outer walls of the pipelines with different outer diameters of the same pipeline through the pressing rod 31 which is rotationally connected with the sliding part 3, and the inclined design of the pressing rod 31 in the initial state is convenient for a worker to insert the pipeline into the mounting hole 21; the torsion spring 33 can enable the pressing rod 31 to be maintained in an inclined state more stably in a natural state, and meanwhile, in the feeding process of a pipeline, the pressing rod 31 is not easy to shake due to the fact that the torsion spring 33 is used for fixing the pressing rod 31, so that the feeding of workers is facilitated; the cambered surface design of the pressing rod 31 and the design of the rubber pad 32 are designed to enable the pressing rod 31 to be attached to the outer wall of the pipeline more stably, so that the abrasion degree of the contact surface of the pipeline and the pressing rod 31 is reduced.

Referring to fig. 2 and 3, a clamping wheel 11 is rotatably connected to the support 1 at a position corresponding to the clamping plate 2, and clamping teeth 22 are fixedly connected to one side of the clamping plate 2, which is close to the clamping wheel 11, along the circumferential direction of the clamping teeth 22, and the clamping teeth 22 are engaged with the clamping wheel 11. A rocker 12 is inserted in the center of the clamping wheel 11, and the rocker 12 can drive the clamping wheel 11 to rotate. The support 1 is rotatably connected with a rotating wheel 47 at the position corresponding to the rotating plate 4, one side of the rotating plate 4 close to the rotating wheel 47 is fixedly connected with rotating teeth 46 along the circumferential direction of the rotating plate, and the rotating teeth 46 are meshed with the rotating wheel 47. The support 1 is fixedly connected with a rotating motor 13 at the position corresponding to the rotating wheel 47, an output shaft of the rotating motor 13 is coaxially arranged with the rotating wheel 47, and an output shaft of the rotating motor 13 is fixedly connected with the rotating wheel 47.

Referring to fig. 1, an adjusting groove 41 is formed in a position, far away from the connection position of the rotating plate 4 and the upper cutter plate 5, of the rotating plate 4, and a groove body of the adjusting groove 41 is arranged as an arc section taking a rotating connection point of the rotating plate 4 and the upper cutter plate 5 as a circle center. The regulating wheel 42 is slidably arranged in the groove body of the regulating groove 41, the upper cutter plate 5 is arranged on the regulating wheel 42 in a penetrating mode, the regulating wheel 42 is connected with a bolt in a threaded mode perpendicular to the upper cutter plate 5, the end portion of the bolt can be abutted to the upper cutter plate 5, the upper cutter plate 5 is relatively fixed to the regulating wheel 42, and when the regulating wheel 42 is respectively located at one end, far away from or close to the cutting knife 51, of the regulating groove 41, the regulating wheel 42 can drive the position, corresponding to the cutting knife 51, of the upper cutter plate 5 to be respectively close to or far away from the axis of the clamping plate 2. The rotating plate 4 is correspondingly connected with a cam 43 in a rotating mode at the position of the adjusting wheel 42, the cam 43 is in a crescent shape, one side, close to the adjusting wheel 42, of the cam 43 is provided with a concave section, and the concave section corresponding to the cam 43 is abutted to the adjusting wheel 42. The rotating cam 43 can push the regulating wheel 42 to slide along the groove body of the regulating groove 41. The cam 43 is fixedly connected with an adjusting lever 44, and the adjusting lever 44 can drive the cam 43 to rotate. The adjusting lever 44 is screwed with a fixing knob 45, and when the cam 43 pushes the adjusting wheel 42 to one end of the adjusting groove 41 away from the cutter 51, the fixing knob 45 is rotated, and the adjusting lever 44 is fixed to the rotary plate 4 by the fixing knob 45.

The following effects are achieved: when cutting the pipeline, the pipeline is inserted into the mounting hole 21 of the clamping plate 2, and the pipeline does not penetrate through the mounting hole 21 corresponding to the upper cutter plate 5. The rocker 12 is rotated, so that the rocker 12 drives the clamping wheel 11 to rotate, the rotating clamping wheel 11 drives the clamping plate 2 to rotate, and the rotating clamping plate 2 drives the sliding piece 3 and the pressing rod 31 to slide towards the position close to the axis of the clamping plate 2 until the pressing rod 31 is abutted to the outer wall of the pipeline and firmly clamps the pipeline. Pushing the adjusting lever 44, the adjusting lever 44 drives the cam 43 to rotate, the cam 43 pushes the adjusting wheel 42 to slide from one end of the adjusting groove 41 close to the upper knife board 5 to one end of the adjusting groove 41 far away from the upper knife board 5, the upper knife board 5 carries the cutting knife 51 to rotate towards the position close to the axial center of the clamping plate 2, and the fixing knob 45 is fixed on the rotating plate 4. The bolt for fixing the upper cutter plate 5 is unscrewed from the adjusting wheel 42, the upper cutter plate 5 is rotated, the orthographic projection of the cutting knife 51 on the end face of the pipeline is partially overlapped with the end face of the pipeline, the overlapped part is the feed depth of the cutting knife 51, the bolt corresponding to the adjusting wheel 42 is screwed, the upper cutter plate 5 and the adjusting wheel 42 are relatively fixed, and the adjustment of the feed depth is completed.

The regulating rod 44 is pushed again, so that the cam 43 pushes the regulating wheel 42, and the regulating wheel 42 drives the cutting knife 51 to rotate in the direction away from the axis of the clamping plate 2. The pressing rod 31 is readjusted, the cutting part of the pipeline is penetrated through the mounting hole 21 corresponding to the upper cutter plate 5, the cutting motor 52 is started, the adjusting rod 44 is slowly pushed, the cam 43 is used for readjusting the adjusting wheel 42 to gradually slide towards one end of the adjusting groove 41, which is far away from the cutting knife 51, until the feeding is completed, and the fixing knob 45 is fixed on the rotating plate 4, and at the moment, the upper cutter plate 5 and the rotating plate 4 are mutually fixed. The rotating motor 13 is started, the rotating motor 13 drives the rotating plate 4 and the upper cutter plate 5 to rotate together, the cutting knife 51 performs circumferential rotation cutting along the cutting part of the pipeline, the cutting knife 51 rotates for one circle, and the pipeline completes one-time cutting.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A planetary cutting saw, comprising:

support (1), grip block (2), rotating plate (4), last cutting board (5), rotating plate (4) with grip block (2) coaxial rotation connect in support (1), go up cutting board (5) be close to self border position department rotate connect in rotating plate (4), go up cutting board (5) can be fixed in relatively rotating plate (4), grip block (2) rotating plate (4) with go up cutting board (5) central point department all has offered mounting hole (21) of intercommunication, go up cutting board (5) be close to mounting hole (21) position department is connected with cutting knife (51);

the sliding parts (3) are arranged in a plurality, the sliding parts (3) are radially arranged on the support (1) in a sliding mode along the clamping plates (2), rotating threads are formed in one side, close to the sliding parts (3), of the clamping plates (2), the sliding parts (3) are meshed with the corresponding rotating threads of the clamping plates (2), the clamping plates (2) rotate, and all the sliding parts (3) are mutually close to or far away from the central axis of the clamping plates (2);

the pressing rods (31) are arranged in one-to-one correspondence with the sliding pieces (3), the middle sections of the pressing rods (31) are rotationally connected with the corresponding sliding pieces (3), and the rotation direction of the pressing rods (31) is parallel to the axis direction of the support (1).

2. A planetary dicing saw according to claim 1, wherein: one end of each pressing rod (31) close to the central shaft of the clamping plate (2) is provided with an arc surface, an arc opening of the arc surface is close to the central shaft of the clamping plate (2), and the axis of the arc surface is parallel to the central shaft of the clamping plate (2).

3. A planetary dicing saw according to claim 1, comprising:

rubber pad (32), rubber pad (32) with press pole (31) one-to-one setting, rubber pad (32) rigid coupling in press the one end that pole (31) are close to grip block (2) center pin.

4. A planetary dicing saw according to claim 1, wherein: all the pressing rods (31) are inclined from one end close to the clamping plate (2) to one end close to the rotating plate (4).

5. A planetary dicing saw according to claim 4, comprising:

the torsion springs (33), the torsion springs (33) with press pole (31) one-to-one setting, torsion springs (33) rigid coupling in correspondence press pole (31) with the rotation tie point of grip block (2), when being close to between pressing pole (31) rotating plate (4) one end tends to keep away from each other, press pole (31) corresponding torsion springs (33) provide to corresponding pressing pole (31) make it be close to rotating plate (4) one end tends to the power that is close to each other.

6. A planetary dicing saw according to claim 1, comprising:

the clamping wheel (11), the clamping wheel (11) is rotationally connected with the support (1), the clamping plate (2) is fixedly connected with clamping teeth (22) along the circumferential direction of the clamping plate, and the clamping teeth (22) corresponding to the clamping plate (2) are meshed with the clamping wheel (11);

the rocker (12) is inserted into the axis of the clamping wheel (11), and the rocker (12) can drive the clamping wheel (11) to rotate.

7. A planetary dicing saw according to claim 1, comprising:

the adjusting wheel (42) is connected to the upper cutter plate (5), the adjusting wheel (42) is slidably arranged on the rotating plate (4), the adjusting wheel (42) is arranged at a position, corresponding to the rotating plate (4), far away from the connecting position with the upper cutter plate (5), and the sliding track of the adjusting wheel (42) is an arc section taking the connecting point of the rotating plate (4) and the upper cutter plate (5) as a circle center;

the cam (43) is rotationally connected to the position of the rotating plate (4) corresponding to the adjusting wheel (42), the cam (43) is in a crescent shape, a concave section of the cam (43) is abutted against the adjusting wheel (42), and the cam (43) rotates and can drive the adjusting wheel (42) to drive the position of the upper knife plate (5) corresponding to the cutting knife (51) to be close to or far away from the position of the axle center of the clamping plate (2);

the adjusting rod (44), adjusting rod (44) rigid coupling in cam (43), adjusting rod (44) can drive cam (43) rotation, adjusting rod (44) can joint in rotating plate (4).

8. A planetary dicing saw according to claim 7, wherein: the upper knife plate (5) is inserted into the adjusting wheel (42), the adjusting wheel (42) is provided with a fixing bolt, and the fixing bolt can be abutted to the upper knife plate (5) and enable the upper knife plate (5) to be fixed relative to the adjusting wheel (42).