CN202779316U - Numerical control tube bending machine - Google Patents

Numerical control tube bending machine Download PDF

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Publication number
CN202779316U
CN202779316U CN 201220490313 CN201220490313U CN202779316U CN 202779316 U CN202779316 U CN 202779316U CN 201220490313 CN201220490313 CN 201220490313 CN 201220490313 U CN201220490313 U CN 201220490313U CN 202779316 U CN202779316 U CN 202779316U
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China
Prior art keywords
contra
bending
angle handpiece
handpiece
pipe fitting
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Active
Application number
CN 201220490313
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Chinese (zh)
Inventor
杨勇
刘春�
曾霄
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN 201220490313 priority Critical patent/CN202779316U/en
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Abstract

The utility model discloses a numerical control tube bending machine which comprises a machine tool, a left bending handpiece and a feeding device. The left bending handpiece is fixed on one side of the top end of the machine tool. The feeding device is arranged on the machine tool, and is used for loading, transporting and adjusting a position of a pipe fitting. The numerical control tube bending machine further comprises a right bending handpiece and a transverse movement mechanism. The right bending handpiece is symmetrical with the left bending handpiece, and is fixed on the other side of the top end of the machine tool. The transverse movement mechanism is connected with the feeding device, and is used for moving the feeding device respectively to corresponding positions of the left bending handpiece and the right bending handpiece. The numerical control tube bending machine comprises the left bending handpiece, the right bending handpiece, the feeding device and the transverse movement mechanism. The left bending handpiece and the right bending handpiece of the numerical control tube bending machine can be flexibly used according to actual requirements of bending the pipe fitting. Position switchover of workpieces is achieved under a left bending function and a right bending function, and therefore improvement of working efficiency is achieved, and processing quality of the pipe fitting is effectively guaranteed.

Description

CNC tube bending machine
Technical field
The utility model relates to the technical field of bending machine, particularly relates to a kind of CNC tube bending machine.
Background technology
Present bending machine all disposes a head, the head of configuration is that left contra-angle handpiece or right contra-angle handpiece are (from the equipment front, left contra-angle handpiece is from the from left to right bending of bending arm, right contra-angle handpiece is the from right to left bending of bending arm), be used for bending the copper pipe pipe fitting of air-conditioning system, because the restriction of fitting structure and CNC tube bending machine, the at present most of suction of air-conditioning system, exhaust pipe assembly all will be by minute 2 blankings, 1 pipe end moulding, 2 bend pipes and 1 welding sequences, procedure is complicated, inefficiency, and can't guarantee the crudy of pipe fitting.
Existing CNC tube bending machine generally only arranges a head, is used for left curved or right elbow member.But the bending machine of a this head can only bend pipe fitting a position, some pipe fitting is in the restriction that can receive easily bending machine itself that bends of a position, can't once bend shaping, after need to bending several times, again with each section elbow pipe welding together.For example, when using existing bending machine to bend the exhaust pipe assembly of air-conditioning use, then need 2 bend pipes, 2 blankings, 1 pipe end moulding and 1 welding sequence, as shown in Figure 1, after minute the first pipeline section 1 and the second pipeline section 2 bend, in that the first pipeline section 1 and the second pipeline section 2 is welded at joint 3 places, procedure is complicated, inefficiency, and can't accurately guarantee the soldering angle of technological requirement in the welding process, crudy is relatively poor.
The utility model content
Based on this, can only realize the problem of single-head bend pipe operation in order to solve existing CNC tube bending machine, the utility model provides a kind of CNC tube bending machine that can realize the operation of Double-head bend pipe.
CNC tube bending machine for realizing that the utility model purpose provides comprises lathe, left contra-angle handpiece and pay-off; Described left contra-angle handpiece is fixed on a side on described lathe top, and described pay-off is arranged on the described lathe, is used for loading, transporting and adjust the position of pipe fitting; CNC tube bending machine described in the utility model also comprises:
Right contra-angle handpiece and transverse moving mechanism;
Described right contra-angle handpiece and described left contra-angle handpiece are fixed on the opposite side on described lathe top symmetrically;
Described transverse moving mechanism is connected with described pay-off, is used for described pay-off is moved to respectively the position corresponding with described left contra-angle handpiece and described right contra-angle handpiece on described lathe.
Among embodiment, described left contra-angle handpiece and described right contra-angle handpiece include therein: crosshead body, fixed axis, circle mould, pattern, pattern travelling mechanism, bending arm, clamping and clamping travelling mechanism;
Described fixed axis is fixedly installed on the described crosshead body;
Described bending arm is installed on the described fixed axis, and can around described fixed axis rotation, be used for bending pipe fitting;
Described round mould is arranged on the described fixed axis;
Be arranged on the described crosshead body to dislocation about described pattern and described round mould;
Described pattern is connected with described pattern travelling mechanism, adjusts described pattern and the distance of circle between the mould by the pattern travelling mechanism;
Be provided with described clamping travelling mechanism on the described bending arm, described clamping is connected with described clamping travelling mechanism, adjusts described clamping and the distance of circle between the mould by the clamping travelling mechanism.
Among embodiment, described pay-off comprises feed spool therein, and described feed spool can be around the central axis rotation of described pay-off; Described feed spool leading section is provided with for the clamp mechanism that clamps pipe fitting.
Therein among embodiment, be provided with on along the longitudinal direction on the described lathe with described left contra-angle handpiece and or the first slide rail corresponding to described right contra-angle handpiece position; The edge is provided with the second slide rail in a lateral direction on the described lathe.
Among embodiment, described transverse moving mechanism comprises lead-screw drive mechanism therein.
Among embodiment, CNC tube bending machine described in the utility model also comprises servomotor therein, and described servomotor drives described left contra-angle handpiece, described right contra-angle handpiece, described pay-off and the operation of described transverse moving mechanism.
The beneficial effects of the utility model: the utility model CNC tube bending machine comprises left contra-angle handpiece, right contra-angle handpiece, pay-off and transverse moving mechanism, the actual needs that can bend according to pipe fitting, use flexibly left contra-angle handpiece and the right contra-angle handpiece of bending machine, switch the position of realizing workpiece under the left curved and right curved function, thereby realized increasing work efficiency with effective guarantee the crudy of pipe fitting.
Description of drawings
For the purpose, technical scheme and the advantage that make the utility model CNC tube bending machine is clearer, below in conjunction with concrete drawings and the specific embodiments, the utility model CNC tube bending machine is further elaborated.
Fig. 1 is the schematic diagram of an embodiment of the utility model CNC tube bending machine;
Fig. 2 is the right contra-angle handpiece front view of CNC tube bending machine as shown in Figure 1;
Fig. 3 is the right contra-angle handpiece left view of CNC tube bending machine as shown in Figure 2;
Fig. 4 is the right contra-angle handpiece top view of CNC tube bending machine as shown in Figure 3;
Fig. 5 is the schematic diagram of the pipe fitting of welding fabrication;
Fig. 6 is for adopting the utility model Double-head bending machine to bend the schematic diagram of the pipe fitting of moulding.。
The specific embodiment
CNC tube bending machine of the present utility model as shown in Figures 1 to 4, includes lathe 100, pay-off 200, left contra-angle handpiece 300, right contra-angle handpiece 400, servomotor and numerical control device 500.
Left contra-angle handpiece 300 is arranged on a side of lathe 100 leading sections, comprising: fixed axis 301, circle mould 302, pattern 303, pattern travelling mechanism, clamping 304, clamping travelling mechanism and bending arm; Fixed axis 301 is fixedly installed on the left contra-angle handpiece 300, and the bending arm is rotatable to be installed on the head, is used for bending pipe fitting, and preferably, the bending arm is around fixed axis 301 rotary setting.
Preferably, circle mould 302 is arranged on the fixed axis 301, and circle mould 302 determines to bend pipe fitting and the crooked radius of different-diameter according to the shape of self; Pattern 303 is arranged on the left contra-angle handpiece 300 with circle mould about 302 with misplacing, pattern 303 is connected with the pattern travelling mechanism, by numerical control device 500 control pattern travelling mechanisms adjust its with circle mould 302 between distance, cooperate the effect of playing clamping and unclamping pipe fitting with the round mould 302 that is fixedly installed; Preferably, also be provided with clamping 304 on the bending arm, clamping 304 is connected with the clamping travelling mechanism, adjust itself and the distance of justifying between the mould 302 by numerical control device 500 control clamping travelling mechanisms, play the effect that clamps and unclamp pipe fitting, simultaneously, clamping 304 can rotatablely move with the bending arm, for bending of pipe fitting provides bending power;
Be provided with the first slide rail 101 that extends longitudinally, the second slide rail 102 of horizontally set and the lead-screw drive mechanism 103 of horizontally set on the upper plane of lathe 100.
Pay-off 200 is arranged on the first slide rail 101, is driven and can be moved forward and backward along the first slide rail 101 by servomotor.Pay-off 200 also is connected with lead-screw drive mechanism 103, can be driven along the second slide rail 102 transverse shiftings by the lead screw transmission structure.Pay-off 200 also comprises feed spool 201, and feed spool can be around its central axis rotation, and the feed spool leading section is provided with clamp mechanism 202, and clamp mechanism is preferably the triangle clamp manipulator, and pay-off 200 is used for pipe fitting is transported to suitable bending position.
The architectural feature of right contra-angle handpiece 400 and left contra-angle handpiece 300 symmetries, itself and left contra-angle handpiece 300 are arranged on the opposite side of lathe 100 leading sections symmetrically.
When needs bend pipe fitting, the straight tube that at first needs is bent is contained in the clamp mechanism, clamp mechanism clamps pipe fitting, start the machine, pay-off 200 moves along the first slide rail 101, the first bending point of pipe fitting is delivered to round mould 302 places, it is close to circle mould 302 that the pattern travelling mechanism drives pattern 303, cooperates with circle mould 302, carrying out spacing to pipe fitting the right and left, play the effect of helping the tensioning pipe fitting, then it is close to circle mould 302 to drive clamping 304 by the clamping travelling mechanism, cooperates with circle mould 302 and clamps pipe fitting, the radian that left contra-angle handpiece 300 is set around fixed axis 301 rotations by driven by motor, provide bending power by clamping 304 for the bending of pipe fitting, bend pipe fitting; After finish the first bending place, unclamp clamping 304 and pattern 303, pay-off 200 continues by seesawing, and the second bending point of pipe fitting is delivered to round mould 302 places, continues above-mentioned steps, finishes the bending of the second bending part, the like, finish the bending operation of pipe fitting.
In above step, in order to satisfy the needs that bend pipe fitting, rotation that can also be by feed spool 201 so that pipe fitting rotate a certain angle.
When left contra-angle handpiece 300 can't be finished bending of pipe fitting, numerical control device 500 control lead-screw drive mechanisms 103 drive pay-offs 200 and move laterally to the another side of lathe 100 along the second slide rail 102, cooperate right contra-angle handpiece 400 to finish bending of pipe fitting.
According to bending machine of the present utility model, especially applicable air-conditioner exhaust pipe assembly bends.Following table is for using CNC tube bending machine of the present utility model to bend the movement decomposition of blast pipe, and in the present embodiment, all the rotation direction to each parts describes to visual angle that tail is partly seen to stand in the CNC tube bending machine head section:
Wherein, after having finished step 8, need to carry out to pipe fitting next step 90 degree bendings, at this moment, because the 4th curved position of blast pipe is in the below of left contra-angle handpiece 300, spend bending operations if continue to carry out next step 90 at left contra-angle handpiece 300, the 4th curved position of blast pipe can interfere with the fuselage sections of lathe 100, can't bending.For avoiding above problem, blast pipe need to be changed a direction bends, therefore drive pay-offs 200 by lead-screw drive mechanism 103 and move laterally to a side of right contra-angle handpiece 400 along the second slide rail 102, pipe fitting is placed on the right contra-angle handpiece 400, finished bending by right contra-angle handpiece 400.
Be illustrated in figure 5 as the pipe fitting of welding fabrication, be illustrated in figure 6 as the pipe fitting that adopts the utility model CNC tube bending machine to bend moulding, two pipe fittings size, angle are all consistent, all satisfy the related request of air-conditioning system through dependence test.Compare with the tube manufacture mode of welding fabrication, use the utility model CNC tube bending machine to save 1 blanking, 1 moulding, 1 bend pipe and 1 welding sequence, when having improved operating efficiency, improve the stability of pipe fitting, guaranteed the crudy of pipe fitting.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (6)

1. a CNC tube bending machine comprises lathe, left contra-angle handpiece and pay-off; Described left contra-angle handpiece is fixed on a side on described lathe top, and described pay-off is arranged on the described lathe, is used for loading, transporting and adjust the position of pipe fitting; It is characterized in that, also comprise:
Right contra-angle handpiece and transverse moving mechanism;
Described right contra-angle handpiece and described left contra-angle handpiece are fixed on the opposite side on described lathe top symmetrically;
Described transverse moving mechanism is connected with described pay-off, is used for described pay-off is moved to respectively the position corresponding with described left contra-angle handpiece and described right contra-angle handpiece on described lathe.
2. CNC tube bending machine according to claim 1 is characterized in that:
Described left contra-angle handpiece and described right contra-angle handpiece include: crosshead body, fixed axis, circle mould, pattern, pattern travelling mechanism, bending arm, clamping and clamping travelling mechanism;
Described fixed axis is fixedly installed on the described crosshead body;
Described bending arm is installed on the described fixed axis, and can around described fixed axis rotation, be used for bending pipe fitting;
Described round mould is arranged on the described fixed axis;
Be arranged on the described crosshead body to dislocation about described pattern and described round mould;
Described pattern is connected with described pattern travelling mechanism, adjusts described pattern and the distance of circle between the mould by the pattern travelling mechanism;
Be provided with described clamping travelling mechanism on the described bending arm, described clamping is connected with described clamping travelling mechanism, adjusts described clamping and the distance of circle between the mould by the clamping travelling mechanism.
3. CNC tube bending machine according to claim 2 is characterized in that:
Described pay-off comprises feed spool, and described feed spool can be around the central axis rotation of described pay-off; Described feed spool leading section is provided with for the clamp mechanism that clamps pipe fitting.
4. CNC tube bending machine according to claim 3 is characterized in that:
Be provided with on along the longitudinal direction on the described lathe with described left contra-angle handpiece and or the first slide rail corresponding to described right contra-angle handpiece position; The edge is provided with the second slide rail in a lateral direction on the described lathe.
5. CNC tube bending machine according to claim 4 is characterized in that:
Described transverse moving mechanism comprises lead-screw drive mechanism.
6. each described CNC tube bending machine according to claim 1-5 is characterized in that:
Also comprise servomotor, described servomotor drives described left contra-angle handpiece, described right contra-angle handpiece, described pay-off and the operation of described transverse moving mechanism.
CN 201220490313 2012-09-24 2012-09-24 Numerical control tube bending machine Active CN202779316U (en)

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CN 201220490313 CN202779316U (en) 2012-09-24 2012-09-24 Numerical control tube bending machine

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Application Number Priority Date Filing Date Title
CN 201220490313 CN202779316U (en) 2012-09-24 2012-09-24 Numerical control tube bending machine

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103341521A (en) * 2013-06-19 2013-10-09 武汉理工大学 Method for optimization of pipe integrated numerical control machining process
CN103658266A (en) * 2012-09-24 2014-03-26 珠海格力电器股份有限公司 Digital control tube bending machine
CN106238528A (en) * 2016-08-30 2016-12-21 中山精达特克机械有限公司 A kind of swan neck system and there is the numerical control sawing sheet pipe end bending integral machine of this device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103658266A (en) * 2012-09-24 2014-03-26 珠海格力电器股份有限公司 Digital control tube bending machine
CN103341521A (en) * 2013-06-19 2013-10-09 武汉理工大学 Method for optimization of pipe integrated numerical control machining process
CN106238528A (en) * 2016-08-30 2016-12-21 中山精达特克机械有限公司 A kind of swan neck system and there is the numerical control sawing sheet pipe end bending integral machine of this device

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