CN210160195U

CN210160195U - Metal pipe clamping device with straightening function

Info

Publication number: CN210160195U
Application number: CN201920876299.5U
Authority: CN
Inventors: 张唐攀; 李新龙
Original assignee: Shenzhen Hualong Xinli Laser Technology Co Ltd
Current assignee: Shenzhen Hualong Xinli Laser Technology Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-20
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a metal pipe clamping device with a straightening function, which comprises a frame, a chuck arranged on one side of the frame, a straightening clamping mechanism arranged on the outer side of the chuck, and an interval adjusting mechanism arranged in the chuck; the middle parts of the rack and the chuck are provided with coaxial central through holes for inserting the metal tubes; the straightening clamping mechanism comprises four straightening clamping modules which are arranged on the outer side of the chuck at equal intervals along the circumferential direction of the central through hole; the correcting clamping module is used for clamping and straightening the metal pipe, and the interval adjusting mechanism is used for adjusting the interval between the four straightening clamping modules; the utility model discloses a set up four aligning centre gripping modules, can realize that 4 fulcrums of tubular metal resonator opposite face support, and then realize the aligning and the centre gripping to the tubular metal resonator, solve the problem that the machining precision is low because of the tubular metal resonator warp and leads to, the device is simple compact, the practicality is strong.

Description

Metal pipe clamping device with straightening function

Technical Field

The utility model relates to a tubular metal resonator clamping technical field especially relates to a tubular metal resonator clamping device of area aligning function.

Background

Laser processing is to use the energy of light to reach very high energy density in the focus after lens focus, and whole course of working need not contact processing object surface, and processing speed is fast, surface deformation is little, and then workable various materials, utilizes laser can punch, cut, scribing, welding, heat treatment etc. to the material at present. The laser cutting is used as an important field of laser application, is widely applied to the processing of metal and non-metal materials, can greatly reduce the processing time, reduce the processing cost and improve the quality of workpieces. Compared with the traditional processing mode, the laser cutting method has the advantages of high cutting quality, high cutting speed, high flexibility (random cutting of any shape), wide material adaptability and the like.

At present, special laser pipe cutting machine on the market is when placing metal tubular product, all directly place metal tubular product between chuck clamping device and the preceding chuck clamping device behind the lathe bed, and the length of most of tubular metals is about 6 meters, and basically every tubular metal resonator all has the irregular deformation of certain degree, just is bigger to frivolous tubular metal resonator deflection, just so leads to the tubular metal resonator in cutting process, can influence the precision of cutting because of the deformation of itself, the trompil precision also has very big deviation. The opposite side clamping jaws of the conventional chuck clamping device only have one roller, and a group of supporting points cannot straighten the metal pipe, so that the hole opening precision cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take metal pipe clamping device of aligning function, the device can realize 4 fulcrums of tubular metal resonator opposite face and support through setting up four aligning centre gripping modules, 8 cylinders, and then realize straightening and the centre gripping to the tubular metal resonator, solve the problem that the machining precision is low because of the tubular metal resonator warp and leads to, the device is simple compact, the practicality is strong.

In order to realize the purpose, the following technical scheme is adopted:

a metal pipe clamping device with a straightening function comprises a rack, a chuck arranged on one side of the rack, a straightening clamping mechanism arranged on the outer side of the chuck and a spacing adjusting mechanism arranged in the chuck; the middle parts of the rack and the chuck are provided with coaxial central through holes for inserting the metal tubes; the straightening clamping mechanism comprises four straightening clamping modules which are arranged on the outer side of the chuck at equal intervals along the circumferential direction of the central through hole; each straightening clamping module comprises a sliding seat and a clamping supporting seat; the sliding seat is connected with the outer side of the chuck in a sliding manner, and the clamping support seat is detachably connected with the outer side of the sliding seat; two rollers are arranged on one side of each clamping support seat close to the central through hole, and the two rollers are arranged in parallel along the axial direction of the central through hole; the two rollers of the two clamping and supporting seats which are oppositely arranged are arranged in parallel, and the two rollers of the two adjacent clamping and supporting seats are arranged in a staggered manner; the distance adjusting mechanism is used for adjusting the distance between the four clamping support seats through the four sliding seats.

Furthermore, a first cavity for accommodating the spacing adjusting mechanism is formed in the chuck, and four sliding grooves are formed in the outer side of the chuck at equal intervals along the circumferential direction of the central through hole; the inner walls of the two sides of each sliding chute are provided with second through holes communicated with the first cavity along the length direction of the sliding chute, and the sliding chutes penetrate through the central through holes; the sliding seat is arranged in the sliding groove, and two sides of the sliding seat are connected with the sliding groove in a sliding manner; the two sides of the sliding seat are provided with protrusions corresponding to the second through holes, and the protrusions are in driving connection with a distance adjusting mechanism arranged in the first cavity through the second through holes; a plurality of mounting holes are further formed in the length direction of the outer side of the sliding seat, and the clamping support seat is detachably connected with the sliding seat through the mounting holes.

Furthermore, the cross section of the clamping support seat is of an L-shaped structure, the L-shaped transverse end of the clamping support seat is arranged along the length direction of the sliding seat and is detachably connected with the sliding seat through a mounting hole, and the L-shaped vertical end of the clamping support seat is axially arranged along the central through hole; the outer side of the L-shaped vertical end of the clamping support seat is also provided with two U-shaped seats, the two U-shaped seats are arranged in parallel vertical to the length direction of the clamping support seat, and the U-shaped openings of the two U-shaped seats face the central through hole; the roller is arranged between the two transverse ends of the U-shaped seat, and the two ends of the roller are rotatably connected with the inner sides of the two transverse ends of the U-shaped seat.

Furthermore, the spacing adjustment mechanism comprises two spacing adjustment modules, and each spacing adjustment module is used for driving the two straightening clamping modules which are oppositely arranged to approach or separate from each other.

Furthermore, each spacing adjustment module comprises two turbines, a worm connected with one of the turbine gears and a driven gear; each turbine is arranged corresponding to one sliding seat, and one bulge part of the sliding seat is provided with a rack meshed with the turbine; the two driven gears are rotatably connected with the outer side of the central through hole through gear bearings, and the peripheral sides of the two driven gears are respectively connected with the two sliding seat gears which are oppositely arranged through two turbines; the worm is used for driving the turbine to drive the driven gear to rotate.

Furthermore, worm one end is worn out to the chuck outside from first cavity, and its tip is equipped with the hand wheel, and the hand wheel is used for driving turbine, driven gear rotation through the rotatory worm of external force.

Adopt above-mentioned scheme, the beneficial effects of the utility model are that:

1) by arranging the four straightening clamping modules and the 8 rollers, 4 supporting points on opposite surfaces of the metal pipe can be supported, so that the metal pipe can be straightened and clamped, and the machining precision is improved;

2) the space between the four straightening clamping modules can be adjusted through the space adjusting mechanism so as to adapt to the clamping and straightening of metal pipes of different types and sizes, and the universality is strong;

3) the clamping support seat is detachably connected with the sliding seat, so that on one hand, the space between the four straightening clamping modules can be further adjusted to adapt to metal pipes with special specifications, and on the other hand, the clamping support seat is convenient to detach and maintain in time.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic view of the front view structure of the present invention;

fig. 3 is a schematic side view of the structure of the present invention;

FIG. 4 is a perspective view of the dispensing cartridge of the present invention;

FIG. 5 is a schematic view of the front view angle of the dispensing chuck of the present invention;

wherein the figures identify the description:

1, a frame; 2-a chuck;

3-straightening and clamping mechanism; 4-spacing adjustment mechanism;

5-a central through hole; 21-a chute;

22-a boss; 23-mounting holes;

24-a rack; 31-straightening clamping module;

41-spacing adjustment module; 411 — turbine;

412-a worm; 413 — driven gear;

414-hand wheel; 311-sliding seat;

312-clamping the support seat; 313-a roller;

314-U-shaped seat.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, the utility model provides a metal tube clamping device with a straightening function, which comprises a frame 1, a chuck 2 arranged at one side of the frame 1, a straightening clamping mechanism 3 arranged at the outer side of the chuck 2, and an interval adjusting mechanism 4 arranged in the chuck 2; the middle parts of the frame 1 and the chuck 2 are provided with coaxial central through holes 5 for inserting metal tubes; the straightening clamping mechanism 3 comprises four straightening clamping modules 31, and the four straightening clamping modules 31 are arranged on the outer side of the chuck 2 at equal intervals along the circumferential direction of the central through hole 5; each straightening clamping module 31 comprises a sliding seat 311 and a clamping supporting seat 312; the sliding seat 311 is connected with the outer side of the chuck 2 in a sliding way, and the clamping support seat 312 is arranged on the outer side of the sliding seat 311 along the length direction of the sliding seat and is detachably connected with the sliding seat; two rollers 313 are arranged on one side of each clamping support seat 312 close to the central through hole 5, and the two rollers 313 are arranged in parallel along the axial direction of the central through hole 5; the two rollers 313 of the two clamping and supporting seats 312 which are oppositely arranged are arranged in parallel, and the two rollers 313 of the two adjacent clamping and supporting seats 312 are arranged in a staggered way; the spacing adjustment mechanism 4 is used for adjusting the spacing between the four clamp support seats 312 via the four sliding seats 311.

The chuck 2 is internally provided with a first cavity for placing the spacing adjusting mechanism 4, and the outer side of the chuck 2 is provided with four sliding chutes 21 at equal intervals along the circumferential direction of the central through hole 5; second through holes communicated with the first cavity are formed in the inner walls of the two sides of each sliding groove 21 along the length direction of the sliding groove, and one end of each sliding groove 21 faces the central through hole 5 and is communicated with the central through hole 5; the sliding seat 311 is arranged in the sliding groove 21, and two sides of the sliding seat are connected with the sliding groove 21 in a sliding manner; the two sides of the sliding seat 311 are provided with a lug boss 22 corresponding to the second through hole, and the lug boss 22 is in driving connection with the spacing adjusting mechanism 4 arranged in the first cavity through the second through hole; a plurality of mounting holes 23 are further formed in the outer side of the sliding seat 311 along the length direction of the sliding seat, and the clamping support seat 312 is detachably connected with the sliding seat 311 through the mounting holes 23; the cross section of the clamping support seat 312 is of an L-shaped structure, the L-shaped transverse end of the clamping support seat is arranged along the length direction of the sliding seat 311 and is detachably connected with the sliding seat through the mounting hole 23, and the L-shaped vertical end of the clamping support seat is axially arranged along the central through hole 5; the outer side of the L-shaped vertical end of the clamping support seat 312 is also provided with two U-shaped seats 314, the two U-shaped seats 314 are arranged in parallel vertical to the length direction of the clamping support seat, and the U-shaped openings of the two U-shaped seats are towards the central through hole 5; the roller 313 is arranged between two transverse ends of the U-shaped seat 314, and two ends of the roller are rotatably connected with the inner sides of the two transverse ends of the U-shaped seat 314; the spacing adjustment mechanism 4 includes two spacing adjustment modules 41, and each spacing adjustment module 41 is used for driving the two straightening clamp modules 31 which are oppositely arranged to approach or move away from each other.

Each spacing adjustment module 41 comprises two worm wheels 411, a worm 412 in gear connection with one of the worm wheels 411, and a driven gear 413; each turbine 411 is arranged corresponding to one sliding seat 311, and one convex part 22 of the sliding seat 311 is provided with a rack 24 meshed with the turbine 411; the two driven gears 413 are rotatably connected with the outer side of the central through hole 5 through gear bearings, and the peripheral sides of the driven gears are respectively connected with the two sliding seats 311 which are oppositely arranged through two turbines 411 through gears; one end of the worm 412 penetrates out of the first cavity to the outer side of the chuck 2, and a hand wheel 414 is arranged at the end of the worm 412, and the hand wheel 414 is used for rotating the worm 412 through external force to drive the worm wheel 411 and the driven gear 413 to rotate.

The utility model discloses the theory of operation:

as shown in fig. 1-3, in the present embodiment, two straightening clamp modules 31 are arranged opposite to each other in the horizontal direction, and the other two straightening clamp modules 31 are arranged opposite to each other in the vertical direction; each straightening clamping module 31 is provided with two rollers 313 (the two rollers 313 are vertically arranged on the corresponding clamping support 312 and arranged in parallel along the axial direction of the central through hole 5), the two rollers 313 of the two opposite straightening clamping modules 31 are positioned on the same horizontal plane, and the two rollers 313 of the two adjacent straightening clamping modules 31 are arranged in a staggered manner (as shown in fig. 3, on one hand, the compactness of the whole device can be improved, and on the other hand, when the four straightening clamping modules 31 are driven to approach each other by the spacing adjusting mechanism 4, the two rollers 313 cannot touch each other, so that the device is damaged);

for two straightening clamping modules 31 arranged along the horizontal direction, according to the principle of two points and one line, two rollers 313 which are completely synchronous and arranged in parallel along the axial direction of a central through hole 5 and are positioned on the same horizontal plane are used for forming a single side with 2 fulcrums required for clamping the metal pipe, and the other two rollers 313 arranged opposite to the single side are added for realizing the support of the fulcrums on the opposite surfaces of the metal pipe, so that the deformation of the metal pipe within a certain range can keep a straight line under the clamping of the opposite 4 rollers 313. Similarly, for the two straightening clamping modules 31 arranged in the vertical direction, the support of 4 fulcrums on the other two opposite surfaces of the metal pipe can be realized, and further the straightening of the peripheral side surface of the metal pipe is realized; meanwhile, 8 rollers 313 are circumferentially arranged along the central through hole 5, so that the metal pipe can be kept on the same horizontal plane all the time under the condition of straightening the metal pipe, and can roll for 360 degrees to facilitate the supply of the metal pipe.

As shown in fig. 4-5, two driven gears 413 are arranged in parallel and are both rotationally connected with the outer side of the central through hole 5 through gear bearings, a hand wheel 414 at the end of the worm 412 is screwed by a special wrench, the worm 412 drives a turbine 411 connected with the gear to rotate when rotating, the turbine 411 drives a sliding seat 311 connected with the turbine through a rack 24 to slide and drives a driven gear 413 connected with the gear to rotate (the rotation direction of the driven gear 413 is opposite to the rotation direction of the turbine 411); when the driven gear 413 rotates, the other turbine 411 connected with the driven gear is driven to rotate, and when the turbine 411 rotates, the other sliding seat 311 connected with the turbine through the rack 24 is driven to slide, so that the two oppositely arranged sliding seats 311 are close to or far away from each other (further, the distance between the four straightening clamping modules 31 is realized, and the metal pipes with different sizes and types are adapted); the outer side of the sliding seat 311 is also provided with a plurality of mounting holes 23 along the length direction, and the clamping support seat 312 is detachably connected with the sliding seat 311 through screws and the mounting holes 23, so that the distance between the four straightening clamping modules 31 can be conveniently adjusted in a wider range to adapt to metal pipes with special specifications, and meanwhile, the device is convenient to disassemble and can be maintained in time.

The roller 313 is of a hollow structure with double bearings, two ends of the roller are respectively connected with the inner sides of two transverse ends of the U-shaped seat 314 in a rotating mode through bearings, the roller 313 is made of No. 45 high-strength steel, and is annealed, wear-resistant, detachable, simple and convenient to maintain and free of other complex mechanical structures.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A metal pipe clamping device with a straightening function is characterized by comprising a rack, a chuck arranged on one side of the rack, a straightening clamping mechanism arranged on the outer side of the chuck, and a spacing adjusting mechanism arranged in the chuck; the middle parts of the rack and the chuck are provided with coaxial central through holes for inserting the metal tubes; the straightening clamping mechanism comprises four straightening clamping modules which are arranged on the outer side of the chuck at equal intervals along the circumferential direction of the central through hole; each straightening clamping module comprises a sliding seat and a clamping supporting seat; the sliding seat is connected with the outer side of the chuck in a sliding manner, and the clamping support seat is detachably connected with the outer side of the sliding seat; two rollers are arranged on one side of each clamping support seat close to the central through hole, and the two rollers are arranged in parallel along the axial direction of the central through hole; the two rollers of the two clamping and supporting seats which are oppositely arranged are arranged in parallel, and the two rollers of the two adjacent clamping and supporting seats are arranged in a staggered manner; the distance adjusting mechanism is used for adjusting the distance between the four clamping support seats through the four sliding seats.

2. The metal pipe clamping device with the straightening function as claimed in claim 1, wherein a first cavity for accommodating the spacing adjusting mechanism is formed inside the chuck, and four sliding grooves are formed in the outer side of the chuck at equal intervals along the circumferential direction of the central through hole; the inner walls of the two sides of each sliding chute are provided with second through holes communicated with the first cavity along the length direction of the sliding chute, and the sliding chutes penetrate through the central through holes; the sliding seat is arranged in the sliding groove, and two sides of the sliding seat are connected with the sliding groove in a sliding manner; the two sides of the sliding seat are provided with protrusions corresponding to the second through holes, and the protrusions are in driving connection with a distance adjusting mechanism arranged in the first cavity through the second through holes; a plurality of mounting holes are further formed in the length direction of the outer side of the sliding seat, and the clamping support seat is detachably connected with the sliding seat through the mounting holes.

3. The metal pipe clamping device with the straightening function as claimed in claim 2, wherein the cross section of the clamping and supporting seat is of an L-shaped structure, the L-shaped transverse end of the clamping and supporting seat is arranged along the length direction of the sliding seat and is detachably connected with the sliding seat through a mounting hole, and the L-shaped vertical end of the clamping and supporting seat is axially arranged along the central through hole; the outer side of the L-shaped vertical end of the clamping support seat is also provided with two U-shaped seats, the two U-shaped seats are arranged in parallel vertical to the length direction of the clamping support seat, and the U-shaped openings of the two U-shaped seats face the central through hole; the roller is arranged between the two transverse ends of the U-shaped seat, and the two ends of the roller are rotatably connected with the inner sides of the two transverse ends of the U-shaped seat.

4. A metal tube clamping device with a straightening function according to claim 2, wherein the spacing adjustment mechanism comprises two spacing adjustment modules, each of which is used for driving the two straightening clamping modules which are oppositely arranged to move closer to or away from each other.

5. The metal pipe clamping device with the straightening function as claimed in claim 4, wherein each of the pitch adjusting modules comprises two worm gears, a worm connected to one of the worm gears, and a driven gear; each turbine is arranged corresponding to one sliding seat, and one bulge part of the sliding seat is provided with a rack meshed with the turbine; the two driven gears are rotatably connected with the outer side of the central through hole through gear bearings, and the peripheral sides of the two driven gears are respectively connected with the two sliding seat gears which are oppositely arranged through two turbines; the worm is used for driving the turbine to drive the driven gear to rotate.

6. The metal pipe clamping device with the straightening function as claimed in claim 5, wherein one end of the worm penetrates out of the first cavity to the outer side of the chuck, and a hand wheel is arranged at the end of the worm and used for rotating the worm through external force to drive the worm wheel and the driven gear to rotate.