CN204338629U - A kind of bending machine shaping for nuclear power evaporator heat-transfer pipe - Google Patents

A kind of bending machine shaping for nuclear power evaporator heat-transfer pipe Download PDF

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Publication number
CN204338629U
CN204338629U CN201420777373.5U CN201420777373U CN204338629U CN 204338629 U CN204338629 U CN 204338629U CN 201420777373 U CN201420777373 U CN 201420777373U CN 204338629 U CN204338629 U CN 204338629U
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pipe
fixed
bending
head
steel pipe
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CN201420777373.5U
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魏平华
余季华
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Zhangjiagang Huashun Machinery Manufacturing Co Ltd
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Zhangjiagang Huashun Machinery Manufacturing Co Ltd
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Abstract

The utility model discloses a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe, comprise frame, automatic charging device, fixed bending tube device, movable bend pipe device and splicing bracing or strutting arrangement, this movable bend pipe device and fixed bending tube device mirror image are arranged, and splicing bracing or strutting arrangement is arranged on straight line residing for fixed bending tube device and movable bend pipe device; Steel pipe is sent on splicing bracing or strutting arrangement by automatic charging device automatically, and fixed bending tube device comprises and is fixed on head in frame and auxiliary pull apparatus, and auxiliary pull apparatus is slidably mounted on head along steel pipe axis direction during bend pipe; Be slidably mounted on the support on head, be installed on the main shaft on support; Be installed on the bend wheel mould of main shaft upper end; Rotate the bending pipe arm be installed on support, this bending pipe arm is driven by arm drive unit and rotates around the spindle; Be movably installed in the clamping device on bending pipe arm.The depth of parallelism and the perpendicularity of the steel pipe after the forming elbow of the applicable nuclear power evaporator heat-transfer pipe of this bending machine bends can meet the demands.

Description

A kind of bending machine shaping for nuclear power evaporator heat-transfer pipe
Technical field
The utility model relates to a kind of bending machine, refers to a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe especially.
Background technology
The heat-transfer pipe of nuclear power evaporator is U-shaped heat-transfer pipe, this heat-transfer pipe needs to utilize the pipe reaching more than 10 meters to carry out forming elbow, and due to use environment more special, the perpendicularity of the depth of parallelism of U-shaped heat-transfer pipe both sides section, two side pipes and low section requires higher, therefore requires very high for bending quality.During so due to bending machine bend pipe common at present, when steel pipe enters into bend pipe station, auxiliaryly push away mould action and push down steel pipe, then steel pipe is curved specified angle by bending pipe arm action.This common bending machine can carry out bend pipe by the steel pipe shorter to size, steel pipe sizes is longer, the depth of parallelism and perpendicularity are difficult to again ensure, and common single head bending machine is obviously difficult to ensure the depth of parallelism and perpendicularity, and for common double-headed tube bender, during due to bend pipe, location, two ends after steel pipe material loading completes, cannot be carried out, therefore cannot ensure that whether steel pipe two ends are located on the same axis when bending, so also just cannot ensure the depth of parallelism and perpendicularity.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe, the forming elbow of the applicable nuclear power evaporator heat-transfer pipe of this bending machine, this bending machine utilizes a fixed bending tube device and movable bend pipe device to carry out double end bend pipe, utilize the auxiliary pull apparatus of fixed bending tube device to position steel pipe simultaneously, the levelness at steel pipe two ends can be guaranteed, and then the bend wheel mould of utilization activity realizes bend pipe near auxiliary pull apparatus, the depth of parallelism and the perpendicularity of the steel pipe after bending like this can meet the demands.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe, comprise frame, automatic charging device, fixed bending tube device, movable bend pipe device and splicing bracing or strutting arrangement, described fixed bending tube device is fixed in frame, movable bend pipe device is slidably mounted in frame, this movable bend pipe device and fixed bending tube device mirror image are arranged, described movable bend pipe device is identical with the structure of fixed bending tube, and described movable bend pipe device is driven by linear drive apparatus; Described splicing bracing or strutting arrangement is arranged on straight line residing for fixed bending tube device and movable bend pipe device for receiving and supporting steel pipe; Steel pipe is sent on described splicing bracing or strutting arrangement by described automatic charging device automatically, and described fixed bending tube device comprises and is fixed on head in frame and auxiliary pull apparatus, and described auxiliary pull apparatus is slidably mounted on head along steel pipe axis direction during bend pipe; Be slidably mounted on the support on head, the glide direction of this support is vertical with the axial direction of steel pipe, and this support is connected with frame driving device; Be installed on the main shaft on support; Be installed on the bend wheel mould of main shaft upper end; Rotate the bending pipe arm be installed on support, this bending pipe arm is driven by arm drive unit and rotates around the spindle; Be movably installed in the clamping device on bending pipe arm, this clamping device clamps described steel pipe when bend pipe.
As the preferred scheme of one, being slidably installed between described support and head is realized by following structure: the side of described head is fixed with the Linear guide rail and lower linear guide rail that be arranged in parallel, the side adjacent with head of described support is fixed with installing plate, this installing plate is provided with the top shoe and sliding block that coordinate with Linear guide rail and lower linear guide rail respectively, described Linear guide rail coordinates with top shoe, lower linear guide rail and the equal male and female of sliding block.
As the preferred scheme of one, described frame driving device comprises servomotor and ball screw framework, this servomotor is fixed on head, and the screw turns of described ball screw framework is installed on head, and the ball sleeve of described ball screw framework is fixed on installing plate.
As the preferred scheme of one, described automatic charging device comprises stock shelf, lifting body, jacking power set and guide inclined-plane, the number of described stock shelf is multiple and is arranged in a row, each stock shelf comprises one for stacking stacking platform and the discharge platform tilted of steel pipe, described discharge platform is connected with stacking platform, and the lower end edge of this discharge platform is provided with backgauge step; Described lifting body comprises several holders and one_to_one corresponding and is vertically slidably mounted on jacking block on holder, this jacking block is in the below of discharge platform, described jacking power set and each jacking block are in transmission connection by link gear, these jacking power set drive jacking block vertical lifting pushing tow steel pipe to enter guide inclined-plane, described guide inclined-plane is installed between discharge platform and the material receiving of bending machine, the high-end of this guide inclined-plane coordinates with backgauge step, and the low side on described guide inclined-plane coordinates with splicing bracing or strutting arrangement.
As the preferred scheme of one, described link gear comprises the connecting rod that horizontal anomalous movement is arranged, each holder all rotates cam is installed, this cam coordinates with the lower end of corresponding jacking block, articulated jib is hinged with between the rotating shaft of this connecting rod and each cam, described jacking power set are cylinder, and the afterbody of cylinder is articulated with on cylinder block, hinged between the piston rod of this cylinder and connecting rod.
As the preferred scheme of one, described splicing bracing or strutting arrangement comprises several splicing bracing frames set in a row, and the upper surface of this splicing bracing frame is provided with splicing groove, and this splicing groove coordinates with guide inclined-plane.
As the preferred scheme of one, described linear drive apparatus is servomotor, and this servomotor is connected by the head of screw-nut body with movable bend pipe device.
After have employed technique scheme, effect of the present utility model is: this bending machine utilizes movable bend pipe device slidably to arrive any position bend pipe, simultaneously, fixed bending tube device and movable bend pipe device utilize auxiliary pull apparatus to carry out auxiliary pushing away along steel pipe axial sliding movement, but auxiliary pull apparatus is irremovable in other directions, support is then arranged on head along radially sliding of steel pipe and is driven by frame driving device, so when steel pipe is by after automatic charging device material loading, the auxiliary pull apparatus that steel pipe two ends can rest on fixed bending tube device and movable bend pipe device is located as locating surface, as long as ensure two inside groove axialities of auxiliary pull apparatus when debugging, so the axiality at steel pipe two ends just can ensure, and then utilize frame driving device to go driving make bend wheel mould near described auxiliary pull apparatus and compressed by steel pipe, curved like this go out the depth of parallelism of both sides section of heat-transfer pipe of U-shaped, and the perpendicularity of two side ends and low section all can be guaranteed, just can to meet nuclear power evaporator heat-transfer pipe shaping for this bending machine like this, certainly, also other length are adapted to long, the depth of parallelism and perpendicularity require higher double end bend pipe.
Again because described frame driving device comprises servomotor and ball screw framework; this servomotor is fixed on head; the screw turns of described ball screw framework is installed on head; the ball sleeve of described ball screw framework is fixed on installing plate; slide smooth and easy and sliding position of support accurately controls to utilize servomotor and ball screw framework to guarantee, improves bend pipe precision.
Again because described automatic charging device comprises stock shelf, lifting body, jacking power set and guide inclined-plane, the number of described stock shelf is multiple and is arranged in a row, each stock shelf comprises one for stacking stacking platform and the discharge platform tilted of steel pipe, described discharge platform is connected with stacking platform, and the lower end edge of this discharge platform is provided with backgauge step, described lifting body comprises several holders and one_to_one corresponding and is vertically slidably mounted on jacking block on holder, this jacking block is in the below of discharge platform, described jacking power set and each jacking block are in transmission connection by link gear, these jacking power set drive jacking block vertical lifting pushing tow steel pipe to enter guide inclined-plane, described guide inclined-plane is installed between discharge platform and the material receiving of bending machine, the high-end of this guide inclined-plane coordinates with backgauge step, the low side on described guide inclined-plane coordinates with splicing bracing or strutting arrangement, this automatic charging device can realize the automatic charging of long steel pipe, raise the efficiency, reduce the collision to steel tube surface and infringement, save manpower, and utilize link gear can realize the synchronization of jacking up of jacking block, simplify the structure, reduce energy consumption.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the front schematic view of the automatic charging device of the utility model embodiment;
Fig. 2 is the side schematic view of the automatic charging device of the utility model embodiment;
Fig. 3 is the fixed bending tube apparatus structure schematic diagram of the utility model embodiment;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is the top view of the utility model embodiment bending machine;
In accompanying drawing: 1. stock shelf; 2. stacking platform; 3. discharge platform; 4. cam; 5. rotating shaft; 6. backgauge step; 7. jacking block; 8. splicing bracing or strutting arrangement; 9. steel pipe; 10. holder; 11. connecting rods; 12. cylinders; 13. cylinder blocks; 14. heads; 15. supports; 16. main shafts; 17. auxiliary pull apparatus; 18. bend wheel moulds; 19. clamping devices; 20. clamping cylinders; 21. Linear guide rails; 22. frame driving devices; 23. bending pipe arms; 24. installing plates; 25. sliding blocks; 26. lower linear guide rails; A. fixed bending tube device; B. movable bend pipe device.
Detailed description of the invention
Below by specific embodiment, the utility model is described in further detail.
As shown in Figures 1 to 5, a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe, comprise frame, automatic charging device, fixed bending tube device A, movable bend pipe device B and splicing bracing or strutting arrangement 8, described fixed bending tube device A is fixed in frame, movable bend pipe device B is slidably mounted in frame, this movable bend pipe device B and fixed bending tube device A mirror image are arranged, described movable bend pipe device B is identical with the structure of fixed bending tube, and described movable bend pipe device B is driven by linear drive apparatus; Described splicing bracing or strutting arrangement 8 is arranged on straight line residing for fixed bending tube device A and movable bend pipe device B for receiving and supporting steel pipe 9; Steel pipe 9 is sent on described splicing bracing or strutting arrangement 8 by described automatic charging device automatically, described fixed bending tube device A comprises and is fixed on head 14 in frame and auxiliary pull apparatus 17, and described auxiliary pull apparatus 17 is slidably mounted on head 14 along steel pipe 9 axis direction during bend pipe; Be slidably mounted on the support 15 on head 14, the glide direction of this support 15 is vertical with the axial direction of steel pipe 9, and this support 15 is connected with frame driving device 22; Be installed on the main shaft 16 on support 15; Be installed on the bend wheel mould 18 of main shaft 16 upper end; Rotate the bending pipe arm 23 be installed on support 15, this bending pipe arm 23 is driven by arm drive unit and rotates around main shaft 16; Be movably installed in the clamping device 19 on bending pipe arm 23, this clamping device 19 clamps described steel pipe 9 when bend pipe.
Wherein, being slidably installed between described support 15 and head 14 is realized by following structure: the side of described head 14 is fixed with the Linear guide rail 21 and lower linear guide rail 26 that be arranged in parallel, the side adjacent with head 14 of described support 15 is fixed with installing plate 24, this installing plate 24 is provided with the top shoe and sliding block 25 that coordinate with Linear guide rail 21 and lower linear guide rail 26 respectively, described Linear guide rail 21 and top shoe, lower linear guide rail 26 and sliding block 25 all male and female coordinate.Described frame driving device 22 comprises servomotor and ball screw framework, and this servomotor is fixed on head 14, and the screw turns of described ball screw framework is installed on head 14, and the ball sleeve of described ball screw framework is fixed on installing plate 24.
Described clamping device 19 comprises and is movably installed in clamping seats, and this clamping seats is driven by clamping cylinder 20, and described clamping seats is provided with clamping die, this clamping die is provided with the clamping slot mated with steel pipe 9 size.
Described clamping die is detachably installed on clamping seats, and this clamping seats is provided with adjustment seat, and the back of described clamping die is provided with adjusting rod, and described adjusting rod to be slidably mounted in adjustment seat and to be locked by locking nut.
Described auxiliary pull apparatus 17 then comprises one and auxiliaryly pushes away seat, this is auxiliary pushes away a side and is provided with and auxiliaryly pushes away groove, this is auxiliary pushes away groove then as the position point of steel pipe 9, and the auxiliary seat that pushes away is slidably mounted on head 14 along steel pipe 9 axis direction, this auxiliary seat that pushes away auxiliaryly can push away a drive unit driving, also can be connected by straight line elasticity reset device, when steel pipe 9 is at bend pipe, steel pipe 9 can move axially, now the auxiliary seat that pushes away auxiliaryly can push away steel pipe 9 and moves, after having bent, after taking out steel pipe 9, the auxiliary seat that pushes away can rely on an auxiliary linear drive apparatus that pushes away to reset or the reset of straight line elasticity reset device.
The structure of described movable bend pipe device B is identical with the structure of fixed bending tube device A, just movable bend pipe device B head 14 be installed in frame by a set of linear guides, head 14 is then driven by linear drive apparatus, described linear drive apparatus is servomotor, and this servomotor is connected by the head 14 of screw-nut body with movable bend pipe device B.
As shown in Figure 1, 2, described automatic charging device comprises stock shelf 1, lifting body, jacking power set and guide inclined-plane, the number of described stock shelf 1 is multiple and is arranged in a row, each stock shelf 1 comprises one for stacking stacking platform 2 and the discharge platform 3 tilted of steel pipe 9, described discharge platform 3 is connected with stacking platform 2, and the lower end edge of this discharge platform 3 is provided with backgauge step 6; Described lifting body comprises several holders 10 and one_to_one corresponding and is vertically slidably mounted on jacking block 7 on holder 10, this jacking block 7 is in the below of discharge platform 3, described jacking power set and each jacking block 7 are in transmission connection by link gear, these jacking power set drive jacking block 7 vertical lifting pushing tow steel pipe 9 to enter guide inclined-plane, described guide inclined-plane is installed between discharge platform 3 and the material receiving of bending machine, and the angle of inclination on described guide inclined-plane is identical with the angle of inclination of discharge platform 3.The high-end of this guide inclined-plane coordinates with backgauge step 6, and the low side on described guide inclined-plane coordinates with splicing bracing or strutting arrangement 8.
Described link gear comprises the connecting rod 11 that horizontal anomalous movement is arranged, each holder 10 all rotates cam 4 is installed, this cam 4 coordinates with the lower end of corresponding jacking block 7, articulated jib is hinged with between this connecting rod 11 and rotating shaft 5 of each cam 4, described jacking power set are cylinder 12, the afterbody of cylinder 12 is articulated with on cylinder block 13, hinged between the piston rod of this cylinder 12 and connecting rod 11.Described splicing bracing or strutting arrangement 8 comprises several splicing bracing frames set in a row, and the upper surface of this splicing bracing frame is provided with splicing groove, and this splicing groove coordinates with guide inclined-plane.
Bending machine in the utility model, utilizes a fixed bending tube device A and realizes any adjustment of bend pipe position with movable bend pipe device B, first movable bend pipe device B action bend pipe, and then fixed bending tube device A action bend pipe.Utilize auxiliary pull apparatus 17 to locate and can guarantee that the axiality at steel pipe 9 two ends meets the requirements, after axiality reaches requirement, during bend pipe, just can guarantee the depth of parallelism at two ends.
The above embodiment is only the description to the preferred embodiment of the present invention; not as limiting the scope of the invention; design on the basis of spirit not departing from the present invention; the various distortion make technical solution of the present invention and transformation, all should fall in protection domain that claims of the present invention determine.

Claims (7)

1. one kind for the shaping bending machine of nuclear power evaporator heat-transfer pipe, it is characterized in that: comprise frame, automatic charging device, fixed bending tube device, movable bend pipe device and splicing bracing or strutting arrangement, described fixed bending tube device is fixed in frame, movable bend pipe device is slidably mounted in frame, this movable bend pipe device and fixed bending tube device mirror image are arranged, described movable bend pipe device is identical with the structure of fixed bending tube, and described movable bend pipe device is driven by linear drive apparatus; Described splicing bracing or strutting arrangement is arranged on straight line residing for fixed bending tube device and movable bend pipe device for receiving and supporting steel pipe; Steel pipe is sent on described splicing bracing or strutting arrangement by described automatic charging device automatically, and described fixed bending tube device comprises and is fixed on head in frame and auxiliary pull apparatus, and described auxiliary pull apparatus is slidably mounted on head along steel pipe axis direction during bend pipe; Be slidably mounted on the support on head, the glide direction of this support is vertical with the axial direction of steel pipe, and this support is connected with frame driving device; Be installed on the main shaft on support; Be installed on the bend wheel mould of main shaft upper end; Rotate the bending pipe arm be installed on support, this bending pipe arm is driven by arm drive unit and rotates around the spindle; Be movably installed in the clamping device on bending pipe arm, this clamping device clamps described steel pipe when bend pipe.
2. a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe as claimed in claim 1, it is characterized in that: being slidably installed between described support and head is realized by following structure: the side of described head is fixed with the Linear guide rail and lower linear guide rail that be arranged in parallel, the side adjacent with head of described support is fixed with installing plate, this installing plate is provided with the top shoe and sliding block that coordinate with Linear guide rail and lower linear guide rail respectively, described Linear guide rail coordinates with top shoe, lower linear guide rail and the equal male and female of sliding block.
3. a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe as claimed in claim 2, it is characterized in that: described frame driving device comprises servomotor and ball screw framework, this servomotor is fixed on head, the screw turns of described ball screw framework is installed on head, and the ball sleeve of described ball screw framework is fixed on installing plate.
4. a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe as claimed in claim 3, it is characterized in that: described automatic charging device comprises stock shelf, lifting body, jacking power set and guide inclined-plane, the number of described stock shelf is multiple and is arranged in a row, each stock shelf comprises one for stacking stacking platform and the discharge platform tilted of steel pipe, described discharge platform is connected with stacking platform, and the lower end edge of this discharge platform is provided with backgauge step; Described lifting body comprises several holders and one_to_one corresponding and is vertically slidably mounted on jacking block on holder, this jacking block is in the below of discharge platform, described jacking power set and each jacking block are in transmission connection by link gear, these jacking power set drive jacking block vertical lifting pushing tow steel pipe to enter guide inclined-plane, described guide inclined-plane is installed between discharge platform and the material receiving of bending machine, the high-end of this guide inclined-plane coordinates with backgauge step, and the low side on described guide inclined-plane coordinates with splicing bracing or strutting arrangement.
5. a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe as claimed in claim 4, it is characterized in that: described link gear comprises the connecting rod that horizontal anomalous movement is arranged, each holder all rotates cam is installed, this cam coordinates with the lower end of corresponding jacking block, articulated jib is hinged with between the rotating shaft of this connecting rod and each cam, described jacking power set are cylinder, and the afterbody of cylinder is articulated with on cylinder block, hinged between the piston rod of this cylinder and connecting rod.
6. a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe as claimed in claim 5, it is characterized in that: described splicing bracing or strutting arrangement comprises several splicing bracing frames set in a row, the upper surface of this splicing bracing frame is provided with splicing groove, and this splicing groove coordinates with guide inclined-plane.
7. a kind of bending machine shaping for nuclear power evaporator heat-transfer pipe as claimed in claim 6, it is characterized in that: described linear drive apparatus is servomotor, this servomotor is connected by the head of screw-nut body with movable bend pipe device.
CN201420777373.5U 2014-12-10 2014-12-10 A kind of bending machine shaping for nuclear power evaporator heat-transfer pipe Active CN204338629U (en)

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CN201420777373.5U CN204338629U (en) 2014-12-10 2014-12-10 A kind of bending machine shaping for nuclear power evaporator heat-transfer pipe

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475511A (en) * 2014-12-10 2015-04-01 张家港市华舜机械制造有限公司 Pipe bending machine for forming heat transfer pipe of nuclear power evaporator
CN108215136A (en) * 2016-12-15 2018-06-29 权星精机(上海)股份有限公司 Bending machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475511A (en) * 2014-12-10 2015-04-01 张家港市华舜机械制造有限公司 Pipe bending machine for forming heat transfer pipe of nuclear power evaporator
CN104475511B (en) * 2014-12-10 2016-04-27 张家港市华舜机械制造有限公司 A kind of bending machine shaping for nuclear power evaporator heat-transfer pipe
CN108215136A (en) * 2016-12-15 2018-06-29 权星精机(上海)股份有限公司 Bending machine

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