CN202741512U - Machine head of pipe bender - Google Patents
Machine head of pipe bender Download PDFInfo
- Publication number
- CN202741512U CN202741512U CN 201220387178 CN201220387178U CN202741512U CN 202741512 U CN202741512 U CN 202741512U CN 201220387178 CN201220387178 CN 201220387178 CN 201220387178 U CN201220387178 U CN 201220387178U CN 202741512 U CN202741512 U CN 202741512U
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- mould
- bending machine
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Abstract
A machine head of a pipe bender comprises a machine head box body and an auxiliary push clamping arm. The machine head is characterized in that a main die rotating shaft is arranged at the front end of the machine head box body in a penetrating manner; a pipe bending rotating arm is additionally arranged and is connected onto the main die rotating shaft; a pipe fitting forming die is detachably connected onto a main clamping die; at least one pipe bending die cavity penetrating through the side wall is arranged at the upper part of one side wall of the pipe fitting forming die; the pipe bending die cavity is matched with a central die cavity on a bending main die to realize the clamping of a pipe fitting; at least one positioning hole is formed in the lower part of the side wall; a punching head for punching and processing is detachably and fixedly arranged in each positioning hole; and the punching head is concentric with the central die cavity on the bending main die when the pipe bending rotating arm rotates to be perpendicular to the auxiliary push clamping arm. According to the compound type machine head combining forming functions of a bending pipe and a pipe end, a machine head structure of the whole pipe bender is more reasonable and practical.
Description
Technical field
The utility model relates to a kind of head of bending machine, particularly a kind of head that can carry out to pipe fitting multiple processing.
Background technology
Pipe bending technique is widely used in the bend pipe manufacturing of a plurality of industries such as central air-conditioning, auto industry, aerospace industry, shipping industry, the quality of bending quality, reasonable structure, security, reliability of the product of these industries etc. will directly be had influence on, and the processing of pipe fitting realizes by head mainly in bending machine bend pipe process.
Chinese patent application prospectus ZL200710302501 discloses a kind of head of bending machine, this head is that a kind of fuselage that is not subjected to pins down, reduce whole bending machine manufacturing cost, the pipe bender head that operates steadily, comprise: headstock, be movably set with the main shaft and the driving shaft that are parallel to each other in the headstock, be provided with head sprocket on the main shaft, be provided with the drive sprocket that matches with head sprocket on the driving shaft, head sprocket links to each other with drive sprocket by driving chain, also be provided with driven wheel on the described driving shaft, also be provided with the master cylinder and the guiding mechanism that match with driven wheel on the described headstock, guiding mechanism is positioned at the below of driven wheel, between guiding mechanism and driven wheel, be provided with the tooth bar that is meshed with driven wheel, the bottom of tooth bar is shelved on the guiding mechanism, and an end of tooth bar and the piston rod of master cylinder are set together.This head is mainly used in the full-automatic multi-layer mould bending machine.
Chinese patent application 200710109091.2 prospectus disclose a kind of bending machine, this bending machine is provided with the feed mechanism of carrying pipe fitting in support one end, pipe fitting is through carrying pan feeding in swan neck system, and the swan neck system correspondence is mounted on a mechanism that can make its vertical upper and lower displacement, and this length travel mechanism correspondence is incorporated on the substrate with horizontal left and right displacement mechanism, and substrate be incorporated on the support set have can the mechanism of 360 degree rotations on, and this rotating mechanism can pass through for the material pipe of feeding mechanism, carries out the free angle bend pipe with feeding to swan neck system; By the said structure setting, make this bending machine have the circumference radial rotary and cooperate the in length and breadth motion that turns to of axial three-dimensional space of X, Y, allow this bending machine can apply the workpiece of arbitrary curvature.
But the head of above-mentioned patent need to cooperate pipe end forming machine could realize enlarging, reducing, and the multiple tube end maching function such as pier nose, and can not carry out the bending machining of left and right sides both direction, also can't be according to the needs quick-replaceable curved major mould of processing.
The utility model content
Technical problem to be solved in the utility model is the head that a kind of bending machine is provided for the above-mentioned state of the art, and it is a kind of compound head that combines bend pipe and pipe end moulding function, makes the handpiece structure of whole bending machine more reasonable and practical.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of head of bending machine, and it includes:
One mobile box is supported on the sliding track mechanism of lathe below, and can be mobile at sliding track mechanism;
One head casing is rotatably connected on the mobile box;
The one auxiliary clamp arm that pushes away is installed in the external side of head box, and the auxiliary up and down both sides that push away clamp arm offer the first guide rail, and the first guide rail upper support has the auxiliary clamping die that pushes away;
And the curved major mould, cooperate with the auxiliary clamping die that pushes away, realize clamping pipe fitting;
It is characterized in that:
Described head casing front end is equipped with a main mould turning cylinder;
Other has a bend pipe pivoted arm, is connected on the main mould turning cylinder, and the up and down both sides of bend pipe pivoted arm offer the second guide rail, and the second guide rail upper support has the main folder mould, cooperates with the curved major mould, realizes clamping pipe fitting;
One formation of tubes mould, removably be connected on the main folder mould, the top of a sidewall of described formation of tubes mould offers at least one bend pipe die cavity, and described bend pipe die cavity laterally runs through described sidewall, cooperates the clamping that realizes pipe fitting with central cavity on the described curved major mould; The bottom of described sidewall offers at least one locating hole, is fixed with removably the drift for punch process in the locating hole, and described drift turns to auxiliary at the bend pipe pivoted arm and pushes away clamp arm in vertical state the time and the central cavity concentric on the described curved major mould;
And a rotary drive mechanism, make the output of the turning motor in the head casing connect main mould turning cylinder, control the rotation location of main mould turning cylinder.
As improvement, described head casing is to be mounted on the mobile box rotationally by bearing.
As preferably, described removably the connection adopts spiral shell surely to connect or is fixed by pressing plate and screw integrated structure.
As preferably, describedly fixingly removably adopt screw to connect or be threaded.
Improve, described formation of tubes mould forms raised line at the opposing face of described sidewall again, and described main folder mould side forms the keyway that matches with described raised line, and described formation of tubes mould is inserted in the keyway by raised line.
Further improve, the external end of described head box is provided with the fixed mount that main mould turning cylinder is installed, and an Anti-wrinkling board is arranged on the fixed mount, and the Anti-wrinkling board surface offers and can hold the first die cavity that pipe fitting is placed.
Further improve, the described auxiliary auxiliary mould that pushes away that is provided with on the clamping die for auxiliary ejector sleeve that pushes away describedly auxiliaryly pushes away that offering on the mould matches with the first die cavity realizes the second die cavity of pipe fitting clamping.
Improve, described auxiliary pushing away is provided with the first leading screw in the clamp arm again, and auxiliary the first nut sleeve that pushes away clamping die is located on the first leading screw, and can be mobile at the first leading screw;
Described the first leading screw two ends are arranged on auxiliary pushing away in the clamp arm by the first rolling bearing,
The first motor is arranged on auxiliary pushing away in the clamp arm, by the first gear train, is connecting the first leading screw.
Improve, be provided with the second leading screw in the described bend pipe pivoted arm, the second nut sleeve of main folder mould is located on the second leading screw, and can be mobile at the second leading screw;
Described the second leading screw two ends are arranged in the bend pipe pivoted arm by the second rolling bearing,
The second motor is arranged in the bend pipe pivoted arm, by the second gear train, is connecting the second leading screw.
Preferably, described rotary drive mechanism adopts gear train to carry out transmission.
As the specific embodiment, the described connection rotationally is that the head casing couples together by bearing and mobile box, and the ring tooth on the gear of the drive motors below the mobile box and the head casing connecting portion is connected with a joggle.
As improvement, described mobile box is connected with the first drag chain, described the first drag chain one end is fixed on the below of mobile box, the other end is fixed on the pedestal, all cables in the pipe bender head all are arranged in the first drag chain, by automatically controlled part connection in the first drag chain and the pedestal that is connected sliding track mechanism.
As improvement, be fixed with the second drag chain gathering sill in the described mobile box, fixed an end of the second drag chain on this drag chain gathering sill, the other end connection of described the second drag chain is arranged in the rotating shaft, the cable of all motors is located in the second drag chain on the head casing, and extends in the mobile box by the rotating shaft interstitial hole.
At last, be provided with the 3rd drag chain gathering sill in the described head casing, be fixed wtih an end of the 3rd drag chain on it, the other end of the 3rd drag chain is fixed on the main mould turning cylinder, the auxiliary cable that pushes away in clamp arm, the bend pipe pivoted arm is located in the 3rd drag chain by main mould turning cylinder, extends in the head casing.
Compared with prior art, the utility model has the advantage of: the head casing is to can be rotatably set on the mobile box, mobile box can be driven translation on sliding track mechanism, and increase arranges the bend pipe pivoted arm, so the Working position of bending machine is more many, can bending go out more complicated pipe fitting, processing more freely makes things convenient for, and by the formation of tubes mould with several functions of bend pipe pivoted arm design at head, can realize in bent tube technique, also can carry out enlarging to pipe fitting, the Sheet Metal Forming Technology that reducing etc. originally need to just can be carried out by pipe end forming machine, be that bend pipe head of the present utility model is a compound head that combines simultaneously bend pipe and pipe end moulding function, the handpiece structure of whole bending machine is more reasonable and practical, easily manufactures.
Description of drawings
Fig. 1 is the structural representation of the utility model bending machine;
Fig. 2 is the head local structural graph of bending machine of the present utility model;
Fig. 3 is auxiliary clamp arm and the bend pipe pivoted arm structure figure of pushing away in the head of bending machine of the present utility model;
Fig. 4 is bend pipe pivoted arm rotational structure figure in the head of bending machine of the present utility model;
Fig. 5 is formation of tubes modulus principle figure of the present utility model;
Fig. 6 is the auxiliary clamp arm drive mechanism figure that pushes away in the head of bending machine of the present utility model;
Fig. 7 is bend pipe pivoted arm drive mechanism figure in the head of bending machine of the present utility model;
Fig. 8 is the mobile box of the utility model bending machine and the connection layout of head casing;
Fig. 9 is the mobile box stereogram of the utility model bending machine;
Figure 10 is mobile box and tridimensional structure chart;
Figure 11 is head casing and main mould turning cylinder johning knot composition.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
As shown in the figure, a kind of head of bending machine, it includes mobile box 1, head casing 2, the auxiliary critical pieces such as clamp arm 3, bend pipe pivoted arm 4, curved major mould 5, Anti-wrinkling board 6, formation of tubes mould 7 that push away; Wherein:
The front end of head casing 2 is provided with fixed mount, be used for wearing a main mould turning cylinder 47, see Fig. 4, Anti-wrinkling board 6 just is fixed on the fixed mount, its surface offers and can hold the first die cavity that pipe fitting is placed, the first die cavity normally lateral arrangement on its surface, cooperate with the pipe fitting size shape, the cross section is the die cavity of semi arch, the rear portion of head casing 2 just is mounted on the mobile box 1 rotationally, the connecting portion of head casing 2 such as rotating shaft extend in the inner chamber of mobile box 1, couple together with mobile box 1 rotationally by bearing, and, mobile box 1 interior bottom also is equipped with a drive motors 11, fix a gear 12 on drive motors 11 outputs, and also be fixed with a ring tooth 21 on head casing 2 connecting portions, gear 12 on the following drive motors output and the ring tooth 21 on the head casing connecting portion are connected with a joggle, like this work by drive motors 11, can make head box body 2 in the vertical plane rotation location of mobile box 1, see Fig. 2.Certainly above-mentioned this rotating drive mechanism also can adopt sprocket wheel and drive chain to realize.
The one auxiliary clamp arm 3 that pushes away, adopt the framework of hollow, be fixed on head casing 2 lateral surfaces, auxiliary top and the lower both sides that push away clamp arm 3 are respectively equipped with the first guide rail 31, be supported with separately the auxiliary clamping die 32 that pushes away on the first guide rail 31, can move left and right on each comfortable guide rail, the auxiliary side lateral arrangement that pushes away clamping die 32 have cooperate with the pipe fitting size shape, the cross section is the die cavity of semi arch; The auxiliary auxiliary mould 8 that pushes away that also is provided with on the clamping die 32 for auxiliary ejector sleeve that pushes away, auxiliaryly push away that offering on the mould 8 matches with the first die cavity realizes the second die cavity of pipe fitting clamping, it also cooperates with the pipe fitting size shape, the cross section is the die cavity of semi arch, auxiliary pushing away flatly is provided with the first leading screw 33 in the clamp arm 3, the first leading screw has 2, respectively in the auxiliary upper and lower that pushes away clamp arm 3, the two ends of the first leading screw 33 are arranged on auxiliary pushing away in the clamp arm 3 by the first rolling bearing 34, other has the first motor 35 to be installed in auxiliary pushing away in the clamp arm 3, by the first gear train 36 up and down, connect respectively up and down the first leading screw 33, and up and down auxiliary pushes away clamping die 32 lower ends or the upper end has the first nut 37, the first nut 37 is set in separately on the first leading screw 33, by 35 work and 36 transmissions of the first gear train of the first motor, thereby can make move left and right at the first leading screw 33, see Fig. 6;
One curved major mould 5 is fixed on the front end of head casing 2, in auxiliary clamp arm 3 one sides that push away, also distributed on it cooperate with the pipe fitting size shape, the cross section is the die cavity of semi arch, as central cavity, cooperates with the auxiliary clamping die 32 that pushes away, and can realize clamping pipe fitting;
One bend pipe pivoted arm 4, adopt the framework of hollow, connecting portion is connected on the main mould turning cylinder 47 up and down, the top of bend pipe pivoted arm 4 and lower both sides are respectively equipped with the second guide rail 41, be supported with separately main folder mould 42 on the second guide rail 41, the side lateral arrangement of main folder mould 42 have cooperate with the pipe fitting size shape, the cross section is the die cavity of semi arch, cooperates with curved major mould 5, can realize clamping pipe fitting; Flatly be provided with the second leading screw 43 in the bend pipe pivoted arm 4, the second leading screw 43 also has 2, respectively in the upper and lower of bend pipe pivoted arm 4, the two ends of the second leading screw 43 are arranged in the bend pipe pivoted arm 4 by the second rolling bearing 44, other has the second motor 45 to be installed in the bend pipe pivoted arm 4, by the second gear train 46 up and down, connect respectively up and down the second leading screw 43, and main folder mould 42 lower ends up and down or upper end have the second nut 47, the second nut 47 is set in separately on the second leading screw 43, by 45 work and 46 transmissions of the second gear train of the second motor, thereby can make move left and right at the second leading screw 43, see Fig. 7;
One rotary drive mechanism, adopt gear train 48, head chest 2 interior installation one turning motors 49, make the output of turning motor 49 connect main mould turning cylinder 47 by this gear train 48, make main mould turning cylinder 47 rotation location, turning motor 49 can be controlled bend pipe pivoted arm 4 and be rotated the location according to processing request like this, sees Fig. 4.Certainly, this rotary drive mechanism also can adopt sprocket wheel and drive chain to realize.
Another large improvement of the present utility model is, main folder mould 42 removably is connected with formation of tubes mould 7 by screw, the top 71 of a sidewall of formation of tubes mould 7 offers two bend pipe die cavities that laterally run through sidewall, the bend pipe die cavity cooperates with the pipe fitting size shape, the cross section is the die cavity of semi arch, and the bend pipe die cavity cooperates the clamping that realizes pipe fitting with central cavity on the curved major mould; The bottom of sidewall offers two through holes 72, be threaded connection the drift such as the cutter 74 that are fixed with removably for punch process in the through hole 72, turn to and the auxiliary clamp arm 3 central cavity concentric on drift and the curved major mould 5 in vertical state time that pushes away at bend pipe pivoted arm 4, be convenient to pipe fitting is carried out enlarging, the processing such as reducing or heading; Formation of tubes mould 7 molds raised line 73 at the opposing face of its sidewall, and the side of main folder mould 42 molds keyway, matches with raised line, and the formation of tubes mould is inserted in the keyway by raised line 73, is convenient to the location fixing.Certainly, formation of tubes mould 7 also can be pushed down with traditional pressing plate, and pressing plate is screwed on main folder mould 42 again, and cutter 74 also can be screwed on formation of tubes mould 7, can obtain similar effect, sees Fig. 5.
Cable arrangements of the present utility model is also very unique, be provided with the 3rd drag chain gathering sill 22 in the head casing 2, be fixed wtih an end of the 3rd drag chain 23 on it, the other end of the 3rd drag chain 23 is fixed on the main mould turning cylinder 47, make the auxiliary clamp arm 3 that pushes away, the first motor and the second motor cable in the bend pipe pivoted arm 4 are located in the 3rd drag chain 23 by main mould turning cylinder 47, extend in the head casing 2, also fixed the second drag chain gathering sill 16 in the mobile box 1, fixed an end of the second drag chain 17 on this drag chain gathering sill 16, the other end connection of the second drag chain 17 is arranged in the rotating shaft, make that all cables are located in the second drag chain 17 on the head casing, and extend in the mobile box 1 by the rotating shaft interstitial hole, mobile box 1 has connected the first drag chain 18, the first drag chain 18 1 ends are fixed on the below of mobile box 1, the other end is fixed on the pedestal 19, all cables in the pipe bender head all are arranged in the first drag chain 18, connect by automatically controlled part in the first drag chain 18 and the pedestal that is connected sliding track mechanism 13, thereby make automatically controlled part can control each motor and electrical control circuit in the head of bending machine, see Figure 10-11.
Claims (14)
1. the head of a bending machine, it includes:
One mobile box is supported on the sliding track mechanism of lathe below, and can be mobile at sliding track mechanism;
One head casing is rotatably connected on the mobile box;
The one auxiliary clamp arm that pushes away is installed in the external side of head box, and the auxiliary up and down both sides that push away clamp arm offer the first guide rail, and the first guide rail upper support has the auxiliary clamping die that pushes away;
And the curved major mould, cooperate with the auxiliary clamping die that pushes away, realize clamping pipe fitting;
It is characterized in that:
Described head casing front end is equipped with a main mould turning cylinder;
Other has a bend pipe pivoted arm, is connected on the main mould turning cylinder, and the up and down both sides of bend pipe pivoted arm offer the second guide rail, and the second guide rail upper support has the main folder mould, cooperates with the curved major mould, realizes clamping pipe fitting;
One formation of tubes mould, removably be connected on the main folder mould, the top of a sidewall of described formation of tubes mould offers at least one bend pipe die cavity, and described bend pipe die cavity laterally runs through described sidewall, cooperates the clamping that realizes pipe fitting with central cavity on the described curved major mould; The bottom of described sidewall offers at least one locating hole, is fixed with removably the drift for punch process in the locating hole, and described drift turns to auxiliary at the bend pipe pivoted arm and pushes away clamp arm in vertical state the time and the central cavity concentric on the described curved major mould;
And a rotary drive mechanism, make the output of the turning motor in the head casing connect main mould turning cylinder, control the rotation location of main mould turning cylinder.
2. the head of bending machine according to claim 1 is characterized in that described head casing is to be mounted on the mobile box rotationally by bearing.
3. the head of bending machine according to claim 1 is characterized in that described removably the connection adopting spiral shell surely to connect or being fixed by pressing plate and screw integrated structure.
4. the head of bending machine according to claim 1 is characterized in that described removably fixing employing screw connects or is threaded.
5. the head of bending machine according to claim 1, it is characterized in that described formation of tubes mould forms raised line at the opposing face of described sidewall, described main folder mould side forms the keyway that matches with described raised line, and described formation of tubes mould is inserted in the keyway by raised line.
6. the head of bending machine according to claim 1 is characterized in that the external end of described head box is provided with the fixed mount that main mould turning cylinder is installed, and an Anti-wrinkling board is arranged on the fixed mount, and the Anti-wrinkling board surface offers and can hold the first die cavity that pipe fitting is placed.
7. the head of bending machine according to claim 1 is characterized in that the described auxiliary auxiliary mould that pushes away that is provided with on the clamping die for auxiliary ejector sleeve that pushes away, and describedly auxiliaryly pushes away that offering on the mould matches with the first die cavity realizes the second die cavity of pipe fitting clamping.
8. the head of bending machine according to claim 1 is characterized in that described auxiliary pushing away is provided with the first leading screw in the clamp arm, and auxiliary the first nut sleeve that pushes away clamping die is located on the first leading screw, and can be mobile at the first leading screw;
Described the first leading screw two ends are arranged on auxiliary pushing away in the clamp arm by the first rolling bearing,
The first motor is arranged on auxiliary pushing away in the clamp arm, by the first gear train, is connecting the first leading screw.
9. the head of bending machine according to claim 1 is characterized in that being provided with the second leading screw in the described bend pipe pivoted arm, and the second nut sleeve of main folder mould is located on the second leading screw, and can be mobile at the second leading screw;
Described the second leading screw two ends are arranged in the bend pipe pivoted arm by the second rolling bearing,
The second motor is arranged in the bend pipe pivoted arm, by the second gear train, is connecting the second leading screw.
10. the head of bending machine according to claim 1 is characterized in that described rotary drive mechanism adopts gear train.
11. the head of bending machine according to claim 1, it is characterized in that described the connection rotationally is that the head casing couples together by bearing and mobile box, and the ring tooth on the gear of the drive motors below the mobile box and the head casing connecting portion is connected with a joggle.
12. the head of bending machine according to claim 1, it is characterized in that described mobile box is connected with the first drag chain, described the first drag chain one end is fixed on the below of mobile box, the other end is fixed on the pedestal, all cables in the pipe bender head all are arranged in the first drag chain, by automatically controlled part connection in the first drag chain and the pedestal that is connected sliding track mechanism.
13. the head of bending machine according to claim 1, it is characterized in that being fixed with in the described mobile box the second drag chain gathering sill, fixed an end of the second drag chain on this drag chain gathering sill, the other end connection of described the second drag chain is arranged in the rotating shaft, all cables are located in the second drag chain on the head casing, and extend in the mobile box by the rotating shaft interstitial hole.
14. the head of bending machine according to claim 1, it is characterized in that being provided with in the described head casing the 3rd drag chain gathering sill, be fixed wtih an end of the 3rd drag chain on it, the other end of the 3rd drag chain is fixed on the main mould turning cylinder, the auxiliary cable that pushes away in clamp arm, the bend pipe pivoted arm is located in the 3rd drag chain by main mould turning cylinder, extends in the head casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387178 CN202741512U (en) | 2012-08-07 | 2012-08-07 | Machine head of pipe bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387178 CN202741512U (en) | 2012-08-07 | 2012-08-07 | Machine head of pipe bender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202741512U true CN202741512U (en) | 2013-02-20 |
Family
ID=47700960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220387178 Withdrawn - After Issue CN202741512U (en) | 2012-08-07 | 2012-08-07 | Machine head of pipe bender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202741512U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567262A (en) * | 2012-08-07 | 2014-02-12 | 浙江摩多巴克斯汽配有限公司 | Machine head of pipe bending machine |
| WO2014071680A1 (en) * | 2012-11-06 | 2014-05-15 | 宁波钜智自动化装备有限公司 | Pipe bending machine with pipe end forming function |
| CN103801602A (en) * | 2012-11-06 | 2014-05-21 | 浙江摩多巴克斯汽配有限公司 | Pipe bending machine with pipe end forming function |
-
2012
- 2012-08-07 CN CN 201220387178 patent/CN202741512U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567262A (en) * | 2012-08-07 | 2014-02-12 | 浙江摩多巴克斯汽配有限公司 | Machine head of pipe bending machine |
| CN103567262B (en) * | 2012-08-07 | 2015-08-05 | 浙江摩多巴克斯汽配有限公司 | The head of bending machine |
| WO2014071680A1 (en) * | 2012-11-06 | 2014-05-15 | 宁波钜智自动化装备有限公司 | Pipe bending machine with pipe end forming function |
| CN103801602A (en) * | 2012-11-06 | 2014-05-21 | 浙江摩多巴克斯汽配有限公司 | Pipe bending machine with pipe end forming function |
| CN103801602B (en) * | 2012-11-06 | 2016-11-02 | 浙江摩多巴克斯科技股份有限公司 | Bending machine with pipe end molding function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20150805 |
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| RGAV | Abandon patent right to avoid regrant |