CN212917259U

CN212917259U - Special guide die for bent pipe with adjustable structure

Info

Publication number: CN212917259U
Application number: CN202021735303.5U
Authority: CN
Inventors: 牛泽鹏
Original assignee: Shaanxi Tenglong Taide Auto Parts Manufacturing Co ltd
Current assignee: Shaanxi Tenglong Automotive Parts Manufacturing Co.,Ltd.
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-09
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to a special guide die of return bend of adjustable structure relates to the return bend field of guiding the mould, a special guide die of return bend of adjustable structure, including base, return bend slipform, the return bend slipform is located the base upper surface, the return bend slipform is kept away from one side of base and has been seted up and has been dodged groove, constant head tank, dodge first recess, the second recess that the groove set up including the interval, the constant head tank is located between first recess and the second recess, first recess, second recess, constant head tank set up to semi-circular, the radius of first recess, second recess is greater than the radius of constant head tank, first recess, second recess intercommunication, the return bend slipform is connected through dismantling the subassembly with the base. The application has the effect of wide application range of the guide die structure.

Description

Special guide die for bent pipe with adjustable structure

Technical Field

The application relates to the field of bent pipe guide dies, in particular to a special guide die for a bent pipe with an adjustable structure.

Background

The automobile air-conditioning pipeline is a main component of an automobile air-conditioning system, is a pipeline for connecting various functional components, and is also a main conveying channel for refrigerating and heating media. Due to the structural arrangement of the whole automobile and the limitation of the installation positions of all functional components, the hard pipe part of the automobile air-conditioning pipeline needs to be bent to avoid other parts of the automobile body, and is fixed at a reasonable position, and a pipe bender is generally adopted for bending. The pipe bending machine comprises a pipe bending machine tool and a pipe bending mechanism, wherein the pipe bending mechanism comprises a pipe bending rotating arm with a slide rail, a pipe bending die and a guide die structure, a die cavity is formed in the pipe bending rotating arm, the guide die structure is arranged on the slide rail and can move linearly, and the pipe bending die can rotate around the pipe bending rotating arm. The end structure of the hot air hard pipe is a double-bulge structure, namely a sealing bulge and a positioning bulge respectively, the distance between the two bulges is short, the pipe bending process is difficult to simultaneously avoid the two bulges by a guide die structure, and a sliding die and the bulges on the guide die structure are easily interfered to cause the bulge structure to be damaged.

At present, a hard pipe with two bulges is processed by using a double-layer bent pipe guide die, the length of a sliding die on one layer is smaller than the distance between the two bulges, the interference to the bulges is reduced, and the sliding die with normal length is used by a pipe bending die on the other layer, so that the bending size and the appearance requirement of the hard pipe are ensured.

In view of the above related technologies, the inventor believes that there is a defect of narrow application range, and in the actual use process, it is difficult for the double-layer elbow guide die mold to process warm air hard pipes with different bulge pitches.

SUMMERY OF THE UTILITY MODEL

In order to improve the application scope of the guide die, the application provides a special guide die for the bent pipe with an adjustable structure.

The application provides a special guide die of return bend of adjustable structure adopts following technical scheme:

the utility model provides a special guide die of return bend of adjustable structure, includes base, return bend slipform, the return bend slipform is located the base upper surface, the return bend slipform is kept away from one side of base and has been seted up and has been dodged groove, constant head tank, dodge first recess, the second recess that the groove includes the interval setting, the constant head tank is located between first recess and the second recess, first recess, second recess, constant head tank set up to semi-circle, the radius of first recess, second recess is greater than the radius of constant head tank, first recess, second recess intercommunication, the return bend slipform is connected through dismantling the subassembly with the base.

By adopting the technical scheme, when the hard pipe with the double-bulge structure needs to be bent, the machine is stopped, the bent pipe sliding form is taken down and replaced by the bent pipe sliding form with the avoidance groove, the sealing bulge is positioned in the first groove, and the positioning bulge is positioned in the second groove. When the hard pipe with different bulge intervals needs to be bent, the hard pipe is replaced by a bent pipe sliding form with different first groove and second groove intervals, and the application range of the same set of guide die structure is widened.

Preferably, the inner wall of the avoiding groove is fixedly connected with a flexible material layer.

Through adopting above-mentioned technical scheme, the flexible material layer plays the effect of buffering, reduces and dodges the possibility that groove and swell rigid contact damage swell in the process of buckling.

Preferably, the return bend slipform includes that the conversion piece, the first piece, the second of dodging dodge the piece, the constant head tank is located the conversion piece and keeps away from one side of base, first recess is located the first piece of dodging and keeps away from one side of base, the second recess is located the second and dodges one side that the base was kept away from to the piece.

Through adopting above-mentioned technical scheme, when the hard tube that the bulge interval is different buckles, change the conversion piece of different length, change the interval of first recess and second recess, make sealed bulge be located first recess, location bulge is located the second recess, improves the application scope of same set of return bend slipform.

Preferably, the conversion block is provided in a plurality, the grooves of the conversion block have the same diameter, and the conversion block has different thicknesses.

Through adopting above-mentioned technical scheme, through setting up the different conversion piece of a plurality of thickness, when the return bend of buckling the swell interval difference, through the interval between increase and decrease conversion piece adjustment first recess and the second recess to this adapts to the two swell hard tubes of different intervals, further improves the application scope of guide die.

Preferably, the thickness of the conversion block is greater than 1mm and less than 30 mm.

Through adopting above-mentioned technical scheme, the thickness of conversion piece is less, and has certain gradient in setting up, through the combination of different thickness conversion pieces, can satisfy the processing demand of the warm braw hard tube of different swell intervals.

Preferably, the first stopper of base both ends fixedly connected with, second stopper, can dismantle the subassembly and include fixed block, fixing bolt, the cross section of fixed block is trapezoidal, first stopper and return bend slipform are close to one side of base and all seted up with fixed block complex trapezoidal hole, the axis in trapezoidal hole is perpendicular with the second stopper, the upper base of fixed block is towards the base, the base is kept away from one side of constant head tank with the fixed block and is seted up with fixing bolt complex screw, fixing bolt and screw threaded connection.

Through adopting above-mentioned technical scheme, the fixed block passes first stopper, the conversion piece, first dodge the piece, the trapezoidal hole of seting up on the piece is dodged to the second, with first stopper, the conversion piece, first dodge the piece, the piece is fixed on same straight line is dodged to the second, reduce at the hard tube in-process conversion piece of buckling and first dodge the piece, the second dodges the possibility that the piece takes place the displacement, fixing bolt threaded connection base and fixed block, reduce at the hard tube in-process fixed block of buckling and the possibility that the base takes place the displacement, further firm conversion piece and first dodge the piece, the piece is dodged to the second, increase the stability of guide die at the return bend in-process, promote the application scope of guide die.

Preferably, the fixed block is fixedly connected with the guide block at the bottom, a guide groove connected with the guide block in a sliding manner is formed in the base, and the sliding direction of the guide block is parallel to the axis of the trapezoidal hole.

Through adopting above-mentioned technical scheme, the guide block cooperates with the guide way, and the installation fixed block of being convenient for reduces the first possibility of dodging the piece that the fixed block skew leads to, the second dodges the piece and can't pinpoint, reduces the first possibility of dodging the piece that the piece was dodged to the skew, the second and dodges the possibility that the piece interfered the swell, makes the mould of leading can be applied to the higher hard tube of accuracy and bends, improves the application range of leading the mould.

Preferably, a jackscrew is arranged on the first limiting block in a penetrating mode, one end of the jackscrew, which penetrates through the first limiting block, abuts against the conversion block or the second avoidance block, and the jackscrew is in threaded connection with the first limiting block.

Through adopting above-mentioned technical scheme, the jackscrew is fixed conversion piece or second and is dodged the piece, reduces the conversion piece and first dodge the piece, the second dodge the piece along the possibility of dovetail groove removal.

Preferably, one end of the jackscrew, which penetrates through the first limiting block, is fixedly connected with a limiting plate.

By adopting the technical scheme, the possibility that the jackscrew falls off from the first limiting block is reduced, the contact area between the jackscrew and the conversion block or the second avoidance block is increased, the pressure intensity received by the conversion block or the second avoidance block is reduced, and the possibility that the conversion block or the second avoidance block deforms is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the bending device, the detachable bent pipe sliding die is arranged, the positioning groove and the avoiding groove are formed in the bent pipe sliding die, when a bent pipe with a double-drum bag structure is bent, the bulge is placed in the avoiding groove, the positioning groove tightly supports the hard pipe in the bending process, the bending quality of the hard pipe is guaranteed, the bulge is placed in the avoiding groove, and the possibility that the double-drum bag is damaged is reduced; when double-bulge hard pipes with different structures are bent, the bent pipe sliding mold is replaced, and the same set of guide mold can bend bent pipes with different bulge intervals;

2. according to the method, the plurality of conversion blocks with different thicknesses are arranged, so that when the bent pipes with the double-drum bag structure at different intervals are processed, the intervals between the avoidance grooves are adjusted by increasing or decreasing the conversion blocks, and therefore the same set of bent pipe sliding formwork can be applied to bending of the hard pipes with different intervals between the double-drum bags;

3. by arranging the fixing block, the fixing bolt and the jackscrew, when the distance between the avoidance grooves needs to be adjusted, the fixing bolt is dismounted, the fixing block is drawn out, the jackscrew is unscrewed, and the distance between the first avoidance block and the second avoidance block is adjusted; in the pipe bending process, the fixing block, the fixing bolt and the jackscrew are matched with each other, so that the possibility of the deviation of the first avoidance block, the second avoidance block and the conversion block is reduced.

Drawings

Fig. 1 is a schematic structural view of a warm air hard pipe in the related art before being bent.

Fig. 2 is a schematic structural view of a warm air hard pipe after being bent in the related art.

Fig. 3 is a schematic structural diagram of a guide die dedicated for a bent pipe with an adjustable structure according to an embodiment of the present application.

Fig. 4 is a perspective sectional view of a guide die specially used for bending a pipe with an adjustable structure according to an embodiment of the present application.

Fig. 5 is an exploded view of a guide die dedicated to a bent pipe with an adjustable structure according to an embodiment of the present application.

Reference numerals: 1. a base; 2. bending a pipe and sliding a mould; 21. a conversion block; 22. a first avoidance block; 23. a second avoidance block; 3. an avoidance groove; 31. a first groove; 32. a second groove; 4. positioning a groove; 5. a removable assembly; 51. a fixed block; 52. fixing the bolt; 6. a layer of flexible material; 7. a first stopper; 8. a second limiting block; 9. a trapezoidal hole; 10. a screw hole; 11. a guide block; 12. a guide groove; 13. carrying out top thread; 14. a limiting plate; 15. a pipe body; 16. sealing the bulge; 17. positioning the bulge; 18. a dovetail groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1, the unbent warm air hard tube includes a tube body 15, a sealing bulge 16, and a positioning bulge 17, wherein the sealing bulge 16 and the positioning bulge 17 are disposed at an interval. Referring to fig. 2, the warm air hard tube is bent to be L-shaped.

The embodiment of the application discloses a special guide die for a bent pipe with an adjustable structure, and referring to fig. 3 and 4, the special guide die for the bent pipe comprises a base 1 and a bent pipe sliding form 2, the bent pipe sliding form 2 is positioned on the upper surface of the base 1, in this embodiment, base 1 sets up to the cuboid, dovetail 18 that is used for being connected with the bending machine is offered to base 1 lower surface, return bend slipform 2 keeps away from one side of base 1 and has seted up and has dodged groove 3, constant head tank 4, dodge first recess 31 that groove 3 includes the interval setting, second recess 32, constant head tank 4 is located between first recess 31 and the second recess 32, first recess 31, second recess 32, constant head tank 4 sets up to semi-circular, first recess 31, the radius of second recess 32 is greater than the radius of constant head tank 4, first recess 31, second recess 32 communicates, return bend slipform 2 is connected through removable subassembly 5 with base 1. When a hard pipe with a double-bulge structure needs to be bent, the machine is stopped, the bent pipe sliding form 2 is taken down and replaced by the bent pipe sliding form 2 with the avoidance groove 3, the bulge structure is located in the avoidance groove 3, the possibility of mutual interference between the bulge and the bent pipe sliding form 2 is reduced in the bending process, and the probability of bulge damage is reduced. When hard pipes with different bulges distances need to be bent, the hard pipes are replaced by the bent pipe sliding forms 2 with different distances between the first grooves 31 and the second grooves 32, so that the bulges are positioned in the avoiding grooves 3, and the application range of the same set of guide die is widened.

Dodge 3 inner walls in groove and be provided with flexible material layer 6, flexible material layer 6 with dodge groove 3 and bond, in this embodiment, flexible material layer 6 adopts rubber to make, and flexible material layer 6 plays the effect of buffering, reduces and buckles the possibility of the in-process dodging groove 3 and the rigid contact damage swell of swell.

The elbow sliding form 2 comprises a conversion block 21, a first avoidance block 22 and a second avoidance block 23, the positioning groove 4 is located on one side, away from the base 1, of the conversion block 21, the first groove 31 is located on one side, away from the base 1, of the first avoidance block 22, and the second groove 32 is located on one side, away from the base 1, of the second avoidance block 23. When the hard pipe with different bulges is bent, the conversion blocks 21 with different lengths are replaced, and the distance between the first groove 31 and the second groove 32 is changed, so that the bulges are positioned in the avoiding groove 3, and the application range of the same set of bent pipe sliding form 2 is widened.

The conversion blocks 21 are provided in a plurality, the diameters of the positioning grooves 4 of the conversion blocks 21 are the same, the thicknesses of the conversion blocks 21 are different, and in the embodiment, the number of the conversion blocks 21 is five. Through setting up the different conversion piece 21 of a plurality of thickness, when the return bend of buckling the swell interval difference, spacing between 3 grooves is dodged in quantity adjustment through adjusting conversion piece 21 to this double-swell hard tube that adapts to different intervals improves the application scope of leading the mould.

The thickness of conversion piece 21 is greater than 1mm and is less than 30mm, and the thickness of conversion piece 21 is 2mm, 4mm, 8mm, 16mm, 28mm respectively. The thickness of conversion piece 21 is less, and has certain gradient in the setting, through the combination of different thickness conversion pieces 21, can satisfy the processing demand of the warm braw hard tube of different swell intervals.

Refer to fig. 4, fig. 5, 1 both ends integrated into one piece of base has first stopper 7, second stopper 8, first stopper 7, second stopper 8 is located the side that base 1 is close to conversion piece 21, detachable component 5 includes fixed block 51, fixing bolt 52, in this embodiment, fixing bolt 52 sets up to two, fixed block 51's cross section is isosceles trapezoid, first stopper 7, conversion piece 21, first dodge piece 22, the second dodge piece 23 be close to one side of base 1 and all seted up with fixed block 51 complex isosceles trapezoid hole 9, the axis and the second stopper 8 of trapezoidal hole 9 are perpendicular, fixed block 51's upper base is towards base 1, base 1 and fixed block 51 keep away from the one side of conversion piece 21 and seted up with fixing bolt 52 complex screw 10, fixing

bolt

52 and 10 threaded connection of screw. The fixed block 51 passes through the first limiting block 7, the conversion block 21, the first avoidance block 22 and the trapezoidal hole 9 formed in the second avoidance block 23, the first limiting block 7, the conversion block 21, the first avoidance block 22 and the second avoidance block 23 are fixed on the same straight line, the possibility that the conversion block 21 and the first avoidance block 22 and the second avoidance block 23 displace in the hard pipe bending process is reduced, the fixing bolt 52 is in threaded connection with the base 1 and the fixed block 51, the possibility that the fixed block 51 and the base 1 displace in the hard pipe bending process is reduced, the conversion block 21 and the first avoidance block 22 are further stabilized, the second avoidance block 23 is further stabilized, the stability of the guide mold in the bent pipe process is improved, and the application range of the guide mold is enlarged.

Fixed block 51 is upper base fixedly connected with guide block 11, and in this embodiment, guide block 11 is the cuboid, and guide block 11 and fixed block 51 integrated into one piece offer on the base 1 with guide block 11 sliding connection's guide way 12, the slip direction of guide block 11 is parallel with trapezoidal hole 9 axis. The guide block 11 and the guide groove 12 are matched with each other to position the installation direction of the fixed block 51, the possibility that the first avoidance block 22 and the second avoidance block 23 cannot be accurately positioned due to the offset of the fixed block 51 is reduced, the possibility that the offset first avoidance block 22 and the offset second avoidance block 23 interfere with bulging is reduced, the guide die can be applied to bending of a hard pipe with high accuracy, and the application range of the guide die is enlarged.

In order to reduce the possibility that the conversion block 21, the first avoidance block 22 and the second avoidance block 23 move along the guide groove 12, a jackscrew 13 penetrates through the first limiting block 7, one end of the jackscrew 13 penetrating through the first limiting block 7 abuts against the second avoidance block 23, and the jackscrew 13 is in threaded connection with the first limiting block 7. The jackscrew 13 is in threaded connection with the first limiting block 7 and fixes the second avoidance block 23.

The limiting plate 14 is welded at one end, penetrating through the first limiting block 7, of the jackscrew 13, the possibility that the jackscrew 13 falls off from the first limiting block 7 is reduced, the contact area between the jackscrew 13 and the conversion block 21 or the second avoidance block 23 is increased, the pressure intensity received by the conversion block 21 or the second avoidance block 23 is reduced, and the possibility that the conversion block 21 or the second avoidance block 23 deforms is reduced.

The implementation principle of the special guide die for the elbow with the adjustable structure in the embodiment of the application is as follows: the hard tube is bent and is stopped the procedure when two drum package structures, takes off the guide die, loosen fixing bolt 52, take fixed block 51 out, the jackscrew 13 is loosened soon, increase and decrease conversion block 21 is in order to adjust the interval of first recess 31, second recess 32, make the drum package structure can be located and dodge groove 3 department, insert back fixed block 51, fastening fixing bolt 52, jackscrew 13 screws, the installation guide die, can be at the hard tube of buckling under the condition that does not disturb two drum package structures, improve the application scope of same set of guide die.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a special guide die of return bend of adjustable structure, includes base (1), return bend slipform (2) are located base (1) upper surface, its characterized in that: keep away from one side of base (1) and seted up and dodge groove (3), constant head tank (4) return bend slipform (2), dodge groove (3) including first recess (31), second recess (32) that the interval set up, constant head tank (4) are located between first recess (31) and second recess (32), first recess (31), second recess (32), constant head tank (4) set up to semi-circular, the radius of first recess (31), second recess (32) is greater than the radius of constant head tank (4), first recess (31), second recess (32) intercommunication, return bend slipform (2) are connected through dismantling subassembly (5) with base (1).

2. The special guide die for the elbow pipe with the adjustable structure as claimed in claim 1, wherein: keep away groove (3) inner wall fixedly connected with flexible material layer (6).

3. The special guide die for the elbow pipe with the adjustable structure as claimed in claim 2, wherein: elbow pipe slipform (2) dodge piece (23) including conversion piece (21), first dodge piece (22), second, constant head tank (4) are located one side that base (1) were kept away from in conversion piece (21), first recess (31) are located one side that base (1) were kept away from in first dodge piece (22), second recess (32) are located one side that base (1) were kept away from in second dodge piece (23).

4. The special guide die for the elbow pipe with the adjustable structure as claimed in claim 3, wherein: the conversion blocks (21) are arranged in a plurality of numbers, the diameters of the positioning grooves (4) of the conversion blocks (21) are the same, and the thicknesses of the conversion blocks (21) are different.

5. The special guide die for the elbow pipe with the adjustable structure as claimed in claim 4, wherein: the thickness of the conversion block (21) is more than 1mm and less than 30 mm.

6. The special guide die for the elbow pipe with the adjustable structure as claimed in claim 4, wherein: base (1) both ends fixedly connected with first stopper (7), second stopper (8), can dismantle subassembly (5) including fixed block (51), fixing bolt (52), the cross section of fixed block (51) is trapezoidal, first stopper (7) and return bend slipform (2) are close to one side of base (1) and all seted up with fixed block (51) complex trapezoidal hole (9), the axis and second stopper (8) of trapezoidal hole (9) are perpendicular, the upper base of fixed block (51) is towards base (1), base (1) and fixed block (51) keep away from one side of constant head tank (4) and seted up with fixing bolt (52) complex screw (10), fixing bolt (52) and screw (10) threaded connection.

7. The special guide die for the elbow pipe with the adjustable structure as claimed in claim 6, wherein: the fixed block (51) is gone up end fixedly connected with guide block (11), offer on base (1) with guide block (11) sliding connection's guide way (12), the slip direction and trapezoidal hole (9) axis of guide block (11) are parallel.

8. The special guide die for the elbow pipe with the adjustable structure as claimed in claim 6, wherein: the device is characterized in that a jackscrew (13) penetrates through the first limiting block (7), one end of the jackscrew (13) penetrating through the first limiting block (7) abuts against the conversion block (21) or the second avoidance block (23), and the jackscrew (13) is in threaded connection with the first limiting block (7).

9. The special guide die for the elbow pipe with the adjustable structure as claimed in claim 8, wherein: one end of the jackscrew (13) penetrating through the first limiting block (7) is fixedly connected with a limiting plate (14).