CN108188472B - Pipe fitting anchor clamps and pipe cutting machine thereof - Google Patents
Pipe fitting anchor clamps and pipe cutting machine thereof Download PDFInfo
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- CN108188472B CN108188472B CN201810134605.8A CN201810134605A CN108188472B CN 108188472 B CN108188472 B CN 108188472B CN 201810134605 A CN201810134605 A CN 201810134605A CN 108188472 B CN108188472 B CN 108188472B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 59
- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a pipe fitting clamp and a pipe cutting machine thereof, comprising: the pipe clamping device comprises a first pipe clamping rod, a second pipe clamping rod, an elastic piece, a fixing piece, a sliding block, a bottom plate and a pull rod, wherein the first pipe clamping rod is provided with a first chuck and a first touch section at two ends, the second pipe clamping rod is provided with a second chuck and a second touch section at two ends, the elastic piece is provided with a retaining groove, and the sliding block is provided with a retaining groove; the fixing piece is connected to the bottom plate, the pull rod is connected to the sliding block, and the sliding block is connected to the bottom plate in a sliding manner; the first pipe clamping rod is rotationally connected with the fixing piece through a first rotating shaft, and the second pipe clamping rod is rotationally connected with the fixing piece through a second rotating shaft; a gap is arranged between the first pipe clamping rod and the second pipe clamping rod, and the elastic piece is arranged in the gap; the first touching section end part and the second touching section end part are opposite to the blocking groove.
Description
Technical Field
The invention relates to a clamp and a pipe cutting machine thereof.
Background
The pipe cutting machine has the functions of cutting pipes and processing hollowed-out or perforated holes on the required pipes, the whole long pipe is usually clamped on the pipe cutting machine, then the whole long pipe is cut into sections and sent into a cutting cabinet to be processed and cut by a cutter in the cutting cabinet, specifically, as shown in fig. 1 and 2, the tail end of the section pipe 3 is clamped on a chuck (four-jaw chuck or three-jaw chuck) on a sliding seat 4 of the pipe cutting machine, the head of the section pipe 3 extends into the cutting cabinet 1 by a fixed chuck 6 (the chuck 6 is arranged on a machine body 2, the machine body 2 is connected with the cutting cabinet), the section pipe 3 is processed and cut by the cutter in the cutting cabinet 1, the section pipe 3 is cut after a section of finished product is processed, then the section pipe 3 moves along with the sliding seat 4 to the fixed chuck 6, and the head of the section pipe 3 extends into the cutting cabinet for processing and cutting until the whole section pipe 3 is cut.
As shown in fig. 2, the length of the profile tube 3 is shorter and shorter, and finally, after the profile tube 3 is cut quickly, the sliding seat 4 moves to be close to the side wall of the chuck 6 (or close to the side wall of the cutting cabinet 1), and due to the thickness D of the fixed chuck 6, the sliding seat 4 cannot completely convey the profile tube 3 into the cutting cabinet for cutting (a distance exists between a cutting tool and the chuck in the cutting cabinet), that is, a section with the length of at least D is always left for use and is wasted, and in the industrial mass production process, a section of unusable section of each profile tube 3 is left finally, so that great waste is caused.
Disclosure of Invention
The present invention is directed to a pipe clamp and a pipe cutting machine thereof that overcomes at least one of the above-mentioned shortcomings of the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: a pipe clamp comprising: the pipe clamping device comprises a first pipe clamping rod, a second pipe clamping rod, an elastic piece, a fixing piece, a sliding block, a bottom plate and a pull rod, wherein the first pipe clamping rod is provided with a first chuck and a first touch section at two ends, the second pipe clamping rod is provided with a second chuck and a second touch section at two ends, the elastic piece is provided with a retaining groove, and the sliding block is provided with a retaining groove; the fixing piece is connected to the bottom plate, the pull rod is connected to the sliding block, and the sliding block is connected to the bottom plate in a sliding manner; the first pipe clamping rod is rotationally connected with the fixing piece through a first rotating shaft, and the second pipe clamping rod is rotationally connected with the fixing piece through a second rotating shaft;
a gap is arranged between the first pipe clamping rod and the second pipe clamping rod, and the elastic piece is arranged in the gap; the first touching section end part and the second touching section end part are opposite to the blocking groove.
In some embodiments, the gap extends from a connection line between a rotation center of the first rotating shaft and a rotation center of the second rotating shaft to a first touching section end of the first pipe clamping rod and a second touching section end of the second pipe clamping rod, the elastic piece is a spring, two ends of the spring are respectively connected to side walls of the first touching section and the second touching section, the first rotating shaft is located between the first chuck and the first touching section, and the second rotating shaft is located between the second chuck and the second touching section.
In some embodiments, the rotation center connecting line of the first rotating shaft and the second rotating shaft is perpendicular to the first pipe clamping rod and the second pipe clamping rod, the first pipe clamping rod and the second pipe clamping rod are arranged on the same plane of the fixing piece in parallel, and the lengths and the thicknesses of the first pipe clamping rod and the second pipe clamping rod are equal.
When the pipe fitting clamping device is used, a pipe orifice of a pipe fitting to be clamped is sleeved into the first clamping head and the second clamping head, the pull rod pulls the sliding block, the sliding block can slide on the bottom plate, when the sliding block approaches to the first touching section and the second touching section, along with the sliding, the side wall of the blocking groove (inverted-V-shaped) presses the first touching section and the second touching section simultaneously, the first touching section and the second touching section overcome the elastic force of the elastic piece (the spring) and are close to each other, so that the first pipe clamping rod and the second pipe clamping rod rotate around the first rotating shaft and the second rotating shaft respectively, namely, the tail ends of the first clamping head and the second clamping head rotate outwards, namely, the first clamping head and the second clamping head are outwards spread, so that the inner wall of the pipe fitting is touched and the pipe fitting is deeply stretched along with the pressing depth of the blocking groove (the inclined surface inclination degree design of the inverted-V-shaped side wall), and the first clamping head and the second clamping head support the inner wall of the pipe fitting, and the pipe fitting is fixed.
In some embodiments, the fixing member is a sleeve provided with a through groove, and the first pipe clamping rod and the second pipe clamping rod are arranged in the sleeve fixing member; the first touch section of the first pipe clamping rod and the second touch section of the second pipe clamping rod extend outwards from one end of the sleeve, and the first touch section and the second touch section are opposite to the side wall of the blocking groove; the first clamping head of the first pipe clamping rod and the second clamping head of the second pipe clamping rod extend outwards from the other end of the sleeve. The first touching section and the second touching section are projected on the same plane with the sliding chute connected with the sliding block and the bottom plate and then interfere with each other. The first touching section and the second touching section can also be provided with a rotating shaft (or a bearing) at the touching position of the baffle slot, and the first touching section and the second touching section can be in rolling contact during touching, so that the anti-abrasion roller has an anti-abrasion effect.
The first pipe clamping rod and the second pipe clamping rod are arranged in the sleeve, and only the first touching section and the second touching section are exposed for touching the side wall of the sliding chute of the sliding block; only the first clamping head and the second clamping head are exposed for clamping the pipe fitting; the sleeve can play a role in dust prevention and protection, prolong the service life and prevent clamping to people.
In some embodiments, the baffle slot cross section of the slider is an isosceles trapezoid, wherein the openings of the baffle slot side wall opposite to the first touching section end and the second touching section end coincide with the bottom side of the isosceles trapezoid; the sliding direction of the sliding block is perpendicular to the section of the through groove, and the pull rod is parallel to the sliding direction of the sliding block; when the sliding block slides to the first touching section end part and the second touching section end part, the side wall of the baffle groove presses the first touching section end part and the second touching section end part. The two high mutual inclinations of isosceles trapezoid are in an inverted splayed shape, the opening and the bottom edge are coincided, along with the sliding block sliding to the first touching section end and the second touching section end, the sliding block opening envelopes the first touching section end and the second touching section end, and the side wall which is in the inverted splayed shape and is in the mutual inclination presses the first touching section end and the second touching section end simultaneously, so that the first touching section end and the second touching section end are mutually close by overcoming the rotation of the spring.
In some embodiments, the pipe clamp further comprises a locking mechanism comprising a base, a lever, and a handle; the base comprises a tail frame and a boss opposite to the tail frame, and the boss is provided with a through hole; the pull rod penetrates through the through hole and is hinged with one end of the deflector rod, and the other end of the deflector rod opposite to the hinged end of the pull rod is also hinged with the tailstock; the handle is fixed on the deflector rod. The handle is pulled back and forth, so that the deflector rod drives the sliding block to slide back and forth.
In some embodiments, the pull rod comprises a screw rod and an intermediate rod, wherein one end of the screw rod is provided with a first outer stud, the other end of the screw rod is provided with a second outer stud which is opposite to the first outer stud in screwing direction, the intermediate rod is provided with a second screw hole matched with the second outer stud, and the sliding block is provided with a first screw hole matched with the first outer stud; the middle rod penetrates through the through hole of the boss, one end of the middle rod is hinged to the deflector rod, a second screw hole at the other end of the middle rod is connected with a second outer stud of the screw rod, a first outer stud of the middle rod is connected with a first screw hole of the sliding block, and the handle is fixed on the deflector rod; the other end of the deflector rod opposite to the hinged end of the intermediate rod is also hinged with the tailstock.
When the two outer studs are connected, the first outer stud of the screw rod is aligned with the first screw hole of the sliding block, the second outer stud is aligned with the second screw hole at the end part of the middle rod, and as the first outer stud and the second outer stud are opposite in rotation direction, the sliding block can be connected with the locking mechanism connected through the middle rod by rotating the screw rod in the same direction, and the dismounting and the installation are convenient.
In some embodiments, the first chuck and the second chuck outside are equipped with anti-skidding sawtooth, anti-skidding sawtooth evagination, anti-skidding sawtooth "card die" pipe fitting inner wall when centre gripping pipe fitting inner wall has increased the fastness and the reliability of centre gripping, prevents slide spin chuck and drops at the high-speed processing punching process of part and cause mechanical damage and potential safety hazard.
A pipe cutting machine of the present technology, comprising: the pipe cutting machine body and any pipe fitting clamp described above, the pipe cutting machine body includes the slide and install in the four-jaw chuck of slide, pipe fitting clamp installs the four-jaw chuck of slide in the pipe cutting machine body.
When the pipe fitting clamping device is used, one end of a pipe fitting to be clamped is clamped on the clamp, the other end of the pipe fitting is fixed to the fixed chuck of the pipe cutting machine body and stretches into the cutting cabinet of the pipe cutting machine body, the pipe fitting is cut to the tail end, the clamp can enter the fixed chuck and the cutting cabinet of the pipe cutting machine body, finally, the machine can be cut off at the connecting place of the pipe fitting and the clamp, then the clamp stretches out of the fixed chuck and the cutting cabinet, the defect that in the prior art, the four-jaw chuck or the three-jaw chuck cannot enter the cutting cabinet and only one section of pipe fitting can stretch into the cutting cabinet to cut and cause waste of the tail section of the pipe fitting is avoided.
In some embodiments, the handle of the pipe clamp extends out of the gap between two adjacent jaws of a four-jaw chuck on the pipe cutter body. Thus, the worker can operate conveniently.
Drawings
FIG. 1 is a schematic diagram of a prior art pipe cutter;
FIG. 2 is a schematic view of the pipe cutter of FIG. 1 with the slide moved to a fixed chuck sidewall;
FIG. 3 is an exploded view of the pipe clamp of the present invention;
FIG. 4 is a schematic perspective view of a pipe clamp of the present invention;
FIG. 5 is a schematic view of a screw in one embodiment of a pipe clamp of the present invention;
FIG. 6 is a schematic illustration of the working principle of an embodiment of the pipe clamp of the present invention;
FIG. 7 is a schematic view of the first chuck and the second chuck of FIG. 6 in a closed operating state;
FIG. 8 is a schematic diagram illustrating a working state of the first touch segment and the second touch segment in FIG. 6;
FIG. 9 is a locking mechanism in the pipe clamp of FIG. 3;
FIG. 10 is a schematic view of a pipe cutter according to the present invention;
fig. 11 is a partially enlarged schematic view at B in fig. 10.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, so to speak, the two elements are communicated internally. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present invention. The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
A pipe clamp as shown in fig. 3 and 4, comprising: the first pipe clamping rod 50 with two ends respectively provided with a first clamping head 525 and a first touching section 523, the second pipe clamping rod 51 with two ends respectively provided with a second clamping head 526 and a second touching section 524, an elastic piece 70, a fixing piece 40, a sliding block 10 provided with a baffle slot 101 (the baffle slot 101 can be a U-shaped baffle slot), a bottom plate 20 and a pull rod 301;
the fixing piece 40 is connected to the bottom plate 20, the pull rod 301 is connected to the sliding block 10, and the sliding block 10 is slidably connected to the bottom plate 20; the design can be specifically as follows: the edges of the fixing piece 40 can be abutted against the edges of the bottom plate 20, the fixing piece 40 and the bottom plate 20 can be connected through screws, the sliding block 10 can be connected to the bottom plate 20 through sliding grooves in a matched mode, wherein the sliding grooves are parallel to the edges of the rectangular fixing piece 40 in the length direction, and the sliding grooves extend to the boundary of the fixing piece 40 and the bottom plate 20.
The first pipe clamping rod 50 is rotatably connected to the fixing piece 40 through a first rotating shaft 60, and the second pipe clamping rod 51 is rotatably connected to the fixing piece 40 through a second rotating shaft 61; wherein, a gap 501 is arranged between the first pipe clamping rod 50 and the second pipe clamping rod 51, and the elastic piece 70 is arranged in the gap 501; the end parts of the first touching section 523 and the second touching section 524 (the end parts of the first touching section 523 and the second touching section 524 may also be provided with gears, and the gear may be touched when the gear groove 101 slides, so as to improve the sliding flexibility) are opposite to the gear groove 101. More specifically, the side walls of the first pipe clamping rod 50 and the second pipe clamping rod 51 are relatively and closely placed, the lengths of the first pipe clamping rod 50 and the second pipe clamping rod 51 are consistent, wherein the first touching section 523 and the second touching section 524 extend into the sliding groove and interfere (or border) with the sliding groove so that the first touching section 523 and the second touching section 524 can be touched when the baffle groove 101 slides, and the first clamping head 525 and the second clamping head 526 extend out of the fixing piece 40; the gap 501 (may be a movable angle gap) extends from the connection line between the rotation center of the first rotating shaft 60 and the rotation center of the second rotating shaft 61 to the end of the first touching section 523 of the first pipe clamping rod 50 and the end of the second touching section 524 of the second pipe clamping rod 51, that is, the cross section of the gap 501 is a triangle 777 (as shown in fig. 6) with an apex at or near the rotation center of the first rotating shaft 60 and the rotation center of the second rotating shaft 61, opposite side walls of the first pipe clamping rod 50 and the second pipe clamping rod 51 are side edges, and the bottom edges are open; the gap 501 may be formed by the first and second pinch bars 50 and 51 being parallel to each other at a distance from the opposite side walls; as shown in fig. 6, a second gap may be further provided above, and the cross section of the second gap is the same as that of the second triangle 666, however, the vertex of the second triangle 666 is connected with the rotation center or the vicinity of the center of the first rotating shaft 60 and the rotation center or the vicinity of the center of the second rotating shaft 61, and the opposite side walls of the first chuck 525 and the second chuck 526 are taken as sides, and the bottom side of the second triangle 666 is open; as such, the apexes of the second triangle 666 and the triangle 777 fall on (or near) the rotation center of the first rotation shaft 60 and the rotation center of the second rotation shaft 61, with the base facing in opposite directions.
The elastic member 70 is a spring, two ends of the spring are respectively connected to the sidewalls of the first touching section 523 and the second touching section 524, wherein the first rotating shaft 60 is located between the first chuck 525 and the first touching section 523, and the second rotating shaft 61 is located between the second chuck 526 and the second touching section 524; the rotation center connecting line of the first rotating shaft 60 and the second rotating shaft 61 is perpendicular to the first pipe clamping rod 50 and the second pipe clamping rod 51 (or the first rotating shaft 60 and the second rotating shaft 61 are aligned), the first pipe clamping rod 50 and the second pipe clamping rod 51 are arranged on the same plane of the fixing piece 40 in parallel, and the lengths of the first pipe clamping rod 50 and the second pipe clamping rod 51 are equal.
In addition, the fixing member 40 may be a sleeve provided with a through groove 401, and the first pipe clamping rod 50 and the second pipe clamping rod 51 are placed in the through groove 401; the first touching section 523 of the first pipe clamping rod 50 and the second touching section 524 of the second pipe clamping rod 51 extend outwards from one end of the sleeve, and the first touching section 523 and the second touching section 524 are opposite to the side wall of the baffle slot 101; the first clamp head 525 of the first pipe clamping rod 50 and the second clamp head 526 of the second pipe clamping rod 51 extend outwards from the other end of the sleeve; the first touching section 523 and the second touching section 524 are projected on the same plane and interfere with each other with the sliding grooves connected with the sliding block 10 and the bottom plate 20.
The section of the baffle slot 101 of the sliding block 10 is isosceles trapezoid, the bottom edge of the isosceles trapezoid is overlapped with the opening of the baffle slot, the sliding direction of the sliding block 10 is perpendicular to the section of the through slot 401, and the pull rod 301 is parallel to the sliding direction of the sliding block 10; when the slider 10 slides to the first touching section 523 end and the second touching section 524 end, the side wall of the catch groove 101 presses the first touching section 523 end and the second touching section 524 end; when the slider 10 slides away from the first touching section 523 end and the second touching section 524 end, the side wall of the catch groove 101 leaves the first touching section 523 end and the second touching section 524 end.
The pipe clamp further includes a locking mechanism 573, as shown in fig. 5 and 9, the locking mechanism 573 including a base 528, a shift lever 527, and a handle 574; the base 528 includes a tail frame 529 and a boss 533 opposite to the tail frame 529, and the boss 533 is provided with a through hole; the pull rod 301 passes through the through hole and is hinged with one end of the deflector rod 527, and the other end of the deflector rod 527 opposite to the hinged end of the pull rod 301 is also hinged with the tail frame 529; the handle 574 is fixed to the shift lever 527, the pull rod 301 includes a screw 311 and an intermediate rod 312, a first outer stud 3110 is disposed at one end of the screw 311 (may also be referred to as a length adjusting screw), a second outer stud 3111 having a thread opposite to that of the first outer stud 3110 is disposed at the other end of the screw 311, a second screw hole is disposed at the intermediate rod 312 (may also be referred to as a fixing screw) and is engaged with the second outer stud 3111, and a first screw hole is disposed at the slider 10 and is engaged with the first outer stud 3110; the middle rod 312 penetrates through the through hole of the boss 533, one end of the middle rod 312 is hinged to the deflector rod 527, a second screw hole at the other end of the middle rod 312 is connected with the second outer stud 3111 of the screw 311, the first outer stud 3110 of the middle rod 312 is connected with the first screw hole of the slider 10, and the handle 574 is fixed on the deflector rod 527; the other end of the deflector rod 527 opposite to the hinged end of the intermediate rod 312 is also hinged to the tailstock 529; the outer sides of the first clamp head 525 and the second clamp head 526 are provided with anti-skid saw teeth, and the anti-skid saw teeth are outwards protruded.
The locking mechanism 573 may also be a pneumatic system or a hydraulic system, in which the slider is stretched by a pneumatic rod or a hydraulic rod.
When the pipe fitting clamping device is used, a pipe orifice of a pipe fitting to be clamped is sleeved into the first chuck and the second chuck (as shown in fig. 3 and 7-8), when the inner wall of the pipe orifice presses the first chuck 525 and the second chuck 526, the first chuck 525 and the second chuck 526 overcome the tension of the spring 70, the first touch section and the second touch section rotate towards the direction M, the gap between the second triangle 666 is reduced so that the pipe orifice of the pipe fitting is sleeved into the first chuck and the second chuck), the pull rod pulls the sliding block, the sliding block can slide on the bottom plate, when the sliding block approaches to the first touch section and the second touch section, along with the sliding, the side wall of the baffle groove (in an inverted-eight shape) simultaneously presses the first touch section and the second touch section, the first touch section and the second touch section overcome the elasticity of the elastic piece (the spring), and are mutually close to each other (in the direction N of fig. 8), so that the first chuck and the second chuck rotates around the first rotating shaft and the second chuck rotating towards each other (in the direction N1 of fig. 8), namely, the first chuck and the second chuck slowly stretch down to the inclined side wall of the pipe fitting clamp groove (in the shape), and the inclined side wall of the pipe fitting clamp groove (in the inclined angle shape) are designed to be gradually inclined, and the inclined down to the inclined side wall of the pipe fitting clamp the pipe fitting (the second chuck and the inclined side wall of the pipe fitting is gradually inclined downwards along with the inclined side wall of the inclined side wall and the inclined side wall of the second chuck and the inclined side wall to the inclined side surface to the pipe fitting to the inclined side down; when the sliding block is far away from the first touching section and the second touching section, a gap between the first touching section and the second touching section is opened under the action of the spring, a gap between the second triangle 666 at the first chuck and the second chuck is contracted, and two outer side surfaces of the first chuck and the second chuck are inclined, so that the pipe orifice of the pipe fitting is sleeved conveniently.
A pipe cutter as shown in fig. 10 and 11, comprising: the pipe cutting machine comprises a pipe cutting machine body 21 and a pipe fitting clamp 22 thereof, wherein the pipe cutting machine body 21 comprises a sliding seat 4 and four-jaw chucks arranged on the sliding seat 4, the pipe fitting clamp 22 is arranged on the four-jaw chucks of the sliding seat 4 in the pipe cutting machine body 21, and a handle 574 of the pipe fitting clamp faces to a gap between two adjacent jaws of the four-jaw chucks on the pipe cutting machine body 21.
When the pipe cutting machine is used, one end of a pipe 3 to be clamped is clamped on the clamp 22, the other end of the pipe 3 is fixed on the fixed chuck 6 of the pipe cutting machine body 21, the pipe 3 is sent into the cutting cabinet 1 of the pipe cutting machine body 21 by sliding of the sliding seat 4 for processing, after the pipe 3 is cut by a certain length, the pipe is cut, the sliding seat 4 continues to slide to send the pipe 3 into the cutting cabinet 1 of the pipe cutting machine body 21 for processing until the pipe 3 is cut to the tail end, the clamp 22 can enter the fixed chuck 6 of the pipe cutting machine body 21 and the cutting cabinet 1, finally, a machine can cut at the connecting place of the pipe 3 and the clamp 21, then the clamp 22 extends out of the fixed chuck 6 and the cutting cabinet 1, and the defect that in the prior art, the four-jaw chuck or the three-jaw chuck cannot enter the cutting cabinet 1, and only one section of pipe 3 can be sent into the cutting cabinet 1 for cutting, so that the tail section of pipe 3 is wasted and too large is avoided; the handle of the pipe fitting clamp extends out of the gap between two adjacent claws of the four-claw chuck on the pipe cutting machine body. So, the workman can convenient operation, the length (the length of first clamp pipe stick and second clamp pipe stick) of pipe fitting anchor clamps can be according to needs stretch into 1 distance determination in the cutting cabinet, refer to the D length (or be greater than D's length) that figure 2 shows, if there is this anchor clamps, the D length is the length that the pipe fitting 3 end needs to remain (can not get into the cutting and use, can only scrap) in figure 2, and used this anchor clamps, the anchor clamps have replaced the pipe fitting end of D length, the pipe fitting of D length can send into the processing in the cutting cabinet 1, the cutting, avoid extravagant.
In the four-jaw chuck shown in fig. 11, the jaws 341 are extended, and the locking mechanism of the clamp 22 is placed in a space surrounded by the four jaws, and is clamped, so that the handle of the locking mechanism is exposed from a gap 342 between the jaws 341, thereby facilitating the operation of personnel.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (8)
1. A pipe clamp, comprising: a first pipe clamping rod (50) with two ends respectively provided with a first clamping head (525) and a first touching section (523), a second pipe clamping rod (51) with two ends respectively provided with a second clamping head (526) and a second touching section (524), an elastic piece (70), a fixing piece (40), a sliding block (10) provided with a blocking groove (101), a bottom plate (20) and a pull rod (301);
the fixing piece (40) is connected to the bottom plate (20), the pull rod (301) is connected to the sliding block (10), and the sliding block (10) is connected to the bottom plate (20) in a sliding mode;
the first pipe clamping rod (50) is rotationally connected to the fixing piece (40) through a first rotating shaft (60), and the second pipe clamping rod (51) is rotationally connected to the fixing piece (40) through a second rotating shaft (61);
a gap (501) is arranged between the first pipe clamping rod (50) and the second pipe clamping rod (51), and the elastic piece (70) is arranged in the gap (501);
the end part of the first touching section (523) and the end part of the second touching section (524) are opposite to the inner side surface of the baffle slot (101);
the gap (501) extends from the midpoint of a connecting line between the rotation center of the first rotating shaft (60) and the rotation center of the second rotating shaft (61) to the tail end of a first touching section (523) of the first pipe clamping rod (50) and the tail end of a second touching section (524) of the second pipe clamping rod (51), the elastic piece (70) is a spring, and two ends of the spring are respectively connected to the side walls of the first touching section (523) and the second touching section (524), wherein the first rotating shaft (60) is positioned between the first clamping head (525) and the first touching section (523), and the second rotating shaft (61) is positioned between the second clamping head (526) and the second touching section (524);
the connecting line of the rotation centers of the first rotating shaft (60) and the second rotating shaft (61) is perpendicular to the first pipe clamping rod (50) and the second pipe clamping rod (51), the first pipe clamping rod (50) and the second pipe clamping rod (51) are arranged on the same plane of the fixing piece (40) in parallel, and the lengths of the first pipe clamping rod (50) and the second pipe clamping rod (51) are equal;
the section of a baffle groove (101) of the sliding block (10) is isosceles trapezoid, the bottom edge of the isosceles trapezoid is overlapped with the opening of the baffle groove, when the sliding block (10) slides towards the end part of the first touching section (523) and the end part of the second touching section (524), the side wall of the baffle groove (101) presses the end part of the first touching section (523) and the end part of the second touching section (524); when the sliding block (10) slides back to the end of the first touching section (523) and the end of the second touching section (524), the side wall of the baffle groove (101) is separated from the end of the first touching section (523) and the end of the second touching section (524).
2. A pipe clamp according to claim 1, characterized in that the fixing member (40) is a sleeve provided with a through groove (401), and the first pipe clamping rod (50) and the second pipe clamping rod (51) are arranged in the through groove (401);
the first touching section (523) of the first pipe clamping rod (50) and the second touching section (524) of the second pipe clamping rod (51) extend out of one end of the sleeve, and the first touching section (523) and the second touching section (524) are opposite to the side wall of the blocking groove (101); the first clamping head (525) of the first pipe clamping rod (50) and the second clamping head (526) of the second pipe clamping rod (51) extend outwards from the other end of the sleeve.
3. A pipe clamp according to claim 1, characterized in that the direction in which the slide (10) slides is perpendicular to the cross section of the through slot (401), the pull rod (301) being parallel to the direction in which the slide (10) slides.
4. The pipe clamp of claim 1, further comprising a locking mechanism (573), the locking mechanism (573) comprising a base (528), a lever (527), and a handle (574);
the base (528) comprises a tail frame (529) and a boss (533) opposite to the tail frame (529), and the boss (533) is provided with a through hole;
the pull rod (301) passes through the through hole and is hinged with one end of the deflector rod (527), and the other end of the deflector rod (527) opposite to the hinged end of the pull rod (301) is also hinged with the tailstock (529);
the handle (574) is fixed to the shift lever (527).
5. The pipe fitting clamp according to claim 4, characterized in that the pull rod (301) comprises a screw (311) and an intermediate rod (312), a first outer stud (3110) is arranged at one end of the screw (311), a second outer stud (3111) which is opposite to the first outer stud (3110) in screw thread direction is arranged at the other end of the screw (311), a second screw hole which is matched with the second outer stud (3111) is arranged at the end of the intermediate rod (312), and a first screw hole which is matched with the first outer stud (3110) is arranged at the sliding block (10);
the middle rod (312) penetrates through the through hole of the boss (533), one end of the middle rod (312) is hinged to the deflector rod (527), a second screw hole at the other end of the middle rod (312) is connected with a second outer stud (3111) of the screw rod (311), a first outer stud (3110) of the middle rod (312) is connected with a first screw hole of the sliding block (10), and the handle (574) is fixed on the deflector rod (527);
the other end of the deflector rod (527) opposite to the hinged end of the middle rod (312) is also hinged to the tailstock (529).
6. A pipe clamp according to any one of claims 1-5, characterized in that the outer sides of the first clamp head (525) and the second clamp head (526) are provided with anti-slip serrations, which are convex.
7. A pipe cutter, comprising: the pipe cutting machine body (21) and the pipe fitting clamp of claim 6, wherein the pipe cutting machine body (21) comprises a sliding seat (4) and a four-jaw chuck arranged on the sliding seat (4), and the pipe cutting machine is characterized in that the pipe fitting clamp is arranged on the four-jaw chuck of the sliding seat (4) in the pipe cutting machine body (21).
8. The pipe cutter according to claim 7, wherein the handle (574) of the pipe clamp faces the gap between two adjacent jaws of a four-jaw chuck on the pipe cutter body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134605.8A CN108188472B (en) | 2018-02-09 | 2018-02-09 | Pipe fitting anchor clamps and pipe cutting machine thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134605.8A CN108188472B (en) | 2018-02-09 | 2018-02-09 | Pipe fitting anchor clamps and pipe cutting machine thereof |
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| Publication Number | Publication Date |
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| CN108188472A CN108188472A (en) | 2018-06-22 |
| CN108188472B true CN108188472B (en) | 2023-12-05 |
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| CN201810134605.8A Active CN108188472B (en) | 2018-02-09 | 2018-02-09 | Pipe fitting anchor clamps and pipe cutting machine thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111817200B (en) * | 2020-07-08 | 2021-10-08 | 国网江苏省电力有限公司徐州供电分公司 | Three-core waste cable treatment device |
| CN115025828B (en) * | 2022-05-19 | 2024-03-29 | 费森尤斯卡比(广州)医疗用品有限公司 | Anticoagulant adding device for hematology department |
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| CN2738933Y (en) * | 2004-09-28 | 2005-11-09 | 李泰宏 | Tube-cutting device with relative moving generation part |
| CN202021385U (en) * | 2011-04-06 | 2011-11-02 | 江阴索利德数控科技有限公司 | Pipe fitting clamping mechanism of full-automatic pipe cutting machine |
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|---|---|
| CN108188472A (en) | 2018-06-22 |
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