CN213351510U

CN213351510U - Straightening, blanking and bending pipe integrated forming machine

Info

Publication number: CN213351510U
Application number: CN202021233391.9U
Authority: CN
Inventors: 华小辉; 金明; 潘忠伟
Original assignee: Changzhou Langen Machinery Equipment Co ltd
Current assignee: Changzhou Langen Machinery Equipment Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-06-04
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to a straightening, blanking and bending pipe integrated forming machine, which comprises a frame, a pipe bending mechanism and a material cutting mechanism, wherein the pipe bending mechanism and the material cutting mechanism are erected on the frame; the front end of the pipe bending mechanism is sequentially provided with a straightening mechanism and a blanking mechanism from right to left; the straightening mechanism and the blanking mechanism are both arranged on the rack; the pipe bending mechanism comprises a main bending wheel, an auxiliary bending wheel and a driving unit for driving the main bending wheel and the auxiliary bending wheel to act in a matched mode. The utility model aims at overcoming the defect that prior art exists, provide an efficient and can avoid the alignment unloading return bend all-in-one machine that the department's of bending cornification is obvious, the intraductal space narrows of bending.

Description

Straightening, blanking and bending pipe integrated forming machine

Technical Field

The utility model relates to a tubular product processing equipment, especially an alignment unloading return bend integrated into one piece machine.

Background

An air conditioner, namely an air conditioner regulator, is a unit which is used for processing the temperature and humidity change of air in a space region and regulating the parameters of the air in the space region, such as temperature, humidity, cleanliness, air flow rate and the like, thereby meeting the requirements of human comfort or technological processes. The condenser is one of the important components of the air conditioner, and when the condenser is assembled, the two ends of the condenser are often connected by bent short copper pipes, so that the condenser is connected between the condensing pipes.

At present, most of the bent short copper pipes are cut manually or by a machine, and the cut copper pipes are bent one by one, so that the bending machine is time-consuming and labor-consuming, and the yield is low. The semi-automatic bending and cutting operation is carried out on the copper pipe which is cut into longer parts at a small part, and the loop bar is required to extend into the copper pipe to be bent during bending, so that the problems that the edge of the bent part of the copper pipe is obvious, the space in the pipe is narrowed and the like in the bending process of the copper pipe are solved; although the improvement improves the production efficiency of the bent short copper tube, the link of the loop bar is added in the re-bending process, so that the machine optimization and the production efficiency are both improved.

Disclosure of Invention

The utility model aims at overcoming the defect that prior art exists, provide an efficient and can avoid the alignment unloading return bend all-in-one machine that the department's of bending cornification is obvious, the intraductal space narrows of bending.

Realize the utility model discloses the technical scheme of purpose is: a straightening blanking elbow integral forming machine comprises a frame, and an elbow mechanism and a material cutting mechanism which are erected on the frame; a transition plate is additionally arranged between the pipe bending mechanism and the material cutting mechanism; the front end of the pipe bending mechanism is sequentially provided with a straightening mechanism and a blanking mechanism from right to left; the straightening mechanism and the blanking mechanism are both arranged on the rack; the pipe bending mechanism comprises a main bending wheel, an auxiliary bending wheel and a driving unit for driving the main bending wheel and the auxiliary bending wheel to act in a matched manner; at least 1 bending rail is arranged on each of the main bending wheel and the auxiliary bending wheel, and inward bulges are arranged on the upper side edge and the lower side edge of the corner of each bending rail.

Preferably, the number and the position shapes of the bending tracks on the main bending wheel are the same as those of the bending tracks on the auxiliary bending wheel; the corner of the bending rail on the auxiliary bending wheel is provided with a rotatable roller structure.

Preferably, the driving unit comprises a bending driving unit and a clamping driving unit; the frame is externally connected with a bearing plate; the bending driving unit is arranged on the bearing plate; the bending driving unit is connected with the clamping driving unit through a rotating shaft plate; the main bending wheel is fixed on the bearing plate through a main wheel fixing block and a main wheel fixing plate; the auxiliary bending wheel is fixed at the output tail end of the clamping driving unit through a connecting plate.

Preferably, the bending driving unit comprises a bending oil cylinder and a main shaft; the main shaft is connected with the bearing plate through a bearing; a gear is integrally arranged on the main shaft; the output end of the bending oil cylinder is connected with a rack in a locking manner through a bolt; the rack is meshed with the gear.

Preferably, the clamping driving unit comprises an outer box body, a clamping oil cylinder arranged in the outer box body, a connecting rod group connected with the output end of the clamping oil cylinder and a base fixed at the upper end of the connecting rod group; the output end of the clamping oil cylinder is hinged with the connecting rod group; the connecting part of the connecting rod group and the base is also hinged; the connecting plate is locked and fixed on the base.

Preferably, the cutting mechanism comprises a cutting knife, a servo motor for driving the cutting knife, a motor supporting plate for mounting the cutting knife and the servo motor, and an oil cylinder acting on the motor supporting plate for adjusting the distance between the cutting knife and the copper pipe; the cutting knife and the servo motor are respectively installed at the front end and the rear end of the motor supporting plate.

Preferably, the straightening mechanism comprises a plurality of straightening wheels and a fixing plate for mounting the straightening wheels; the plurality of straightening wheels are divided into two rows, and the plurality of straightening wheels in the two rows are alternately arranged; each straightening wheel is provided with a plurality of circular guide grooves.

Preferably, a large transition plate is arranged in the direction of the input end of the straightening wheel; and a plurality of through holes are formed in the large transition plate.

Preferably, a small transition plate is additionally arranged on a fixed plate between the straightening wheels and the large transition plate; a plurality of near through holes are also formed in the small transition plate; each near through hole can be matched with a corresponding circular guide groove on the straightening wheel; the matched near through hole and the circular guide groove are on the same horizontal plane.

Preferably, the blanking mechanism comprises a clamp, a sliding plate, a linear guide rail, a screw rod and a motor arranged in the rack; the clamp is arranged on the sliding plate; the motor drives the screw rod to drive the sliding plate to move along the linear guide rail; the clamp comprises a main clamp and an auxiliary clamp; the main clamp is fixed on the sliding plate; the auxiliary clamp is clamped in the main clamp and can move inwards or outwards relative to the main clamp.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model discloses the bellied setting of corner can be when the copper pipe is bent, and the side produces an inside extrusion force about pressing close to the copper pipe at the track turning of bending to avoid the copper pipe to appear bending the in-process and locate the edges and corners change obvious, the intraductal space narrows down the scheduling problem.

(2) The utility model discloses two rows of alignment wheels set up in turn, and divide into a plurality of groups to carry out adjustment many times to the copper pipe to the realization is to the alignment effect of copper pipe before bending.

(3) The utility model discloses the effect that the copper pipe that can play the alignment wheel input on the one hand of setting up of crossing the cab apron greatly plays the support, and on the other hand still can get into before the alignment wheel alignment at the copper pipe, further dwindles the ascending distance in a plurality of copper pipes to play transition effect.

(4) The utility model discloses the distance between the copper pipe is further reduced in the setting of little cab apron, the distance between the copper pipe before will straightening directly adjusts to and corresponds circular guide way horizontally height to aspect alignment is for use to many copper pipes.

(5) The utility model discloses the direction that anchor clamps removed along linear guide is realized with the upset to corotation through setting up the motor in the frame to unloading mechanism, simple structure and easy control.

(6) The utility model discloses the copper pipe warp straightening mechanism alignment back, send to the return bend mechanism through unloading mechanism traction and bend, again through blank mechanism cut off can, add the cab apron structure of crossing of establishing between blank mechanism and return bend mechanism and be the same with little cab apron structure, play the effect of a support and direction to the copper pipe. The whole scheme is simple to operate, the yield of the copper pipe is high, and the problems that the edge angle of the bending part of the copper pipe is obvious and the space in the copper pipe is narrowed in the bending process are effectively solved.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

FIG. 1 is an overall perspective view of the present invention;

fig. 2 is a perspective view in the main viewing direction of the present invention;

fig. 3 is a perspective view in the left view direction of the present invention;

FIG. 4 is a perspective view of the main bending wheel of the present invention;

FIG. 5 is a right side view of the main curved wheel of the present invention;

fig. 6 is a left side view of the main bending wheel of the present invention;

FIG. 7 is a perspective view of the auxiliary bending wheel of the present invention;

FIG. 8 is a schematic view of the clamping mechanism of the present invention;

FIG. 9 is a schematic view of the loosening operation according to the present invention;

fig. 10 is a rotary bending perspective view of the present invention;

fig. 11 is a rotary bending perspective view of the present invention;

fig. 12 is a perspective view of the clamp of the present invention;

fig. 13 is a schematic structural view of the auxiliary clamp of the present invention after moving outward;

fig. 14 is a schematic structural view of the auxiliary clamp of the present invention after moving inward.

The reference numbers in the drawings are as follows:

frame 00, bearing plate 01;

the bending machine comprises a pipe bending mechanism 10, a main bending wheel 11, an auxiliary bending wheel 12, a bending rail 13, a protrusion 131, a bending driving unit 14, a bending oil cylinder 141, a main shaft 142, a gear 143, a rack 144, a clamping driving unit 15, an outer box 150, a clamping oil cylinder 151, a connecting rod group 152, a base 153, a rotating shaft plate 16, a main wheel fixing block 17, a connecting plate 18 and a main wheel fixing plate 19;

the cutting mechanism 20, the servo motor 22, the oil cylinder 23, the motor supporting plate 24 and the bracket 25;

the straightening mechanism 30, the straightening wheel 31, the circular guide groove 311, the fixing plate 32, the large transition plate 33, the through hole 331 and the small transition plate 34;

a blanking mechanism 40, a clamp 41, a main clamp 411, an auxiliary clamp 412, a sliding plate 42, a linear guide rail 43 and a screw rod 44;

a transition plate 50.

Detailed Description

(example 1)

Referring to fig. 1 to 14, the present invention provides a straightening, blanking and bending pipe integral forming machine, which comprises a frame 00, and a pipe bending mechanism 10 and a material cutting mechanism 20 mounted on the frame 00; a transition plate 50 is additionally arranged between the pipe bending mechanism 10 and the material cutting mechanism 20, and a plurality of guide through holes are arranged in parallel from top to bottom on the transition plate 50 and used for supporting and guiding the copper pipe; the straightening mechanism 30 and the blanking mechanism 40 are sequentially arranged from right to left at the front end of the pipe bending mechanism 10; the straightening mechanism 30 and the blanking mechanism 40 are both arranged on the frame 00; after being straightened by the straightening mechanism 30, the copper pipe is pulled by the blanking mechanism 40 to be sent to the pipe bending mechanism 10 for bending, and then is cut off by the cutting mechanism 20; the pipe bending mechanism 10 comprises a main bending wheel 11, an auxiliary bending wheel 12 and a driving unit for driving the main bending wheel 11 and the auxiliary bending wheel 12 to act in a matching manner; at least 1 bending rail 13 is arranged on each of the main bending wheel 11 and the auxiliary bending wheel 12, and inward bulges 131 are arranged on the upper side and the lower side of the corner of each bending rail 13.

More specifically, in the present embodiment, the number and the position shapes of the bending rails 13 on the main bending wheel 11 are the same as those of the bending rails 13 on the auxiliary bending wheel 12; the corners of the bending rail 13 on the auxiliary bending wheel 12 are provided with rotatable roller structures.

More specifically in the present embodiment, the driving unit includes a bending driving unit 14 and a clamping driving unit 15; a bearing plate 01 is externally connected to the frame 00; the bending driving unit 14 is mounted on the bearing plate 01; the bending driving unit 14 and the clamping driving unit 15 are connected through a rotating shaft plate 16; the main bent wheel 11 is fixed on the bearing plate 01 through a main wheel fixing block 17 and a main wheel fixing plate 19, wherein the main bent wheel 11 and the main wheel fixing block 17 are locked and fixed through bolts, the main wheel fixing block 17 is locked and fixed on the main wheel fixing plate 19 through bolts, the upper output tail end of the main shaft 142 is not higher than the upper end face of the main wheel fixing plate 19, and the main wheel fixing plate 19 is connected with the main shaft 142 through a rotating shaft; the auxiliary bending wheel 12 is fixed to the output end of the clamping drive unit 15 by a connecting plate 18.

More specifically in this embodiment, the bending driving unit 14 includes a bending cylinder 141 and a main shaft 142; the main shaft 142 is connected with the bearing plate 01 through a bearing; the main shaft 142 is integrally provided with a gear 143, the two rotating shaft plates 16 are fixedly arranged on the main shaft 142 at the upper side and the lower side of the bearing plate 01, the fixed installation can be realized by welding, and the fixed installation realizes that when the main shaft 142 rotates, the clamping driving unit 15 arranged on the rotating shaft plates 16 can be driven to rotate together; the output end of the bending oil cylinder 141 is connected with a rack 144 through a bolt in a locking manner; the rack 144 is engaged with the gear 143.

More specifically, in this embodiment, the clamping driving unit 15 includes an outer case 150, a clamping cylinder 151 mounted in the outer case 150, a linkage 152 connected to an output end of the clamping cylinder 151, and a base 153 fixed to an upper end of the linkage 152; wherein the outer box 150 is connected with the rotating shaft plate 16 by bolt locking; the output end of the clamping oil cylinder 151 is hinged with a connecting rod group 152; the connecting part of the connecting rod group 152 and the base 153 is also hinged, and the clamping oil cylinder 151 is hinged with the inner walls of the two sides of the outer box 150 through a bracket; the link plate 18 is locked and fixed to the base 153.

More specifically, in this embodiment, the material cutting mechanism 20 includes a cutting knife, a servo motor 22 for driving the cutting knife, a motor support plate 24 for mounting the cutting knife and the servo motor 22, and an oil cylinder 23 acting on the motor support plate 24 for adjusting the distance between the cutting knife and the copper pipe; the cutting knife is drawn in the drawing and is specifically installed in the knife cover, the knife cover is not marked in the drawing, and the specific installation structure of the cutting knife can be realized by adopting the prior art, so that the detailed description is omitted; the motor supporting plate 24 is installed on the rack 00 through a bracket 25, the lower end face of the middle of the motor supporting plate 24 is hinged with the bracket 25, and the output end of the oil cylinder 23 is hinged with the lower end face of the rear end of the motor supporting plate 24; cutting knife 21 and servo motor 22 are installed respectively at the front end and the rear end of motor backup pad 24, and servo motor 22 is connected with cutting knife 21 transmission through the belt to drive cutting knife 21 and rotate and cut the copper pipe.

(example 2)

In this embodiment, on the basis of embodiment 1, the straightening mechanism 30 includes a plurality of straightening wheels 31 and a fixing plate 32 for mounting the straightening wheels 31, the straightening wheels 31 are rotatably mounted on the fixing plate 32 through a rotating shaft, the rotating shaft and the fixing plate 32 are in threaded locking connection, and the fixing plate 32 is erected on the rack 00; the plurality of straightening wheels 31 are divided into two rows and the plurality of straightening wheels 31 in the two rows are alternately arranged; each straightening wheel 31 is provided with a plurality of circular guide grooves 311, and the number of the specific guide grooves 311 can be selected according to requirements.

More specifically, in this embodiment, a large transition plate 33 is installed in the input end direction of the straightening wheel 31, and the large transition plate 33 can be locked and fixed on the rack 00 in the input end direction of the straightening wheel 31 through a bolt; the large transition plate 33 is provided with a plurality of through holes 331.

More specifically, in this embodiment, a small transition plate 34 is further mounted on the fixed plate 32 between the straightening wheel 31 and the large transition plate 33, and the small transition plate 34 is locked and fixed on the fixed plate 32 by a bolt; a plurality of near through holes are also formed in the small transition plate 34; each of the near through holes can be matched with a corresponding circular guide groove 311 on the straightening wheel 31; the matching near through hole is on the same horizontal plane with the circular guide slot 311, which is parallel to the ground. The arrangement of the small transition plate 34 further reduces the distance between the copper pipes, and the distance between the copper pipes before straightening is directly adjusted to the height level with the corresponding circular guide groove 311, so that the straightening wheel 31 straightens a plurality of copper pipes for later use.

(example 3)

In this embodiment, on the basis of embodiment 1, the blanking mechanism 40 includes a clamp 41, a sliding plate 42, a linear guide rail 43, a screw rod 44, and a motor installed inside the frame 00; the clamp 41 is arranged on the sliding plate 42, the lower end of the sliding plate 42 is locked with a nut sleeve through a bolt, and the nut sleeve is in threaded connection with the screw rod 44; the motor drives the screw rod 44 through a belt to drive the sliding plate 42 to move along the linear guide rail 43; the jig 41 includes a main jig 411 and a sub-jig 412; the main clamp 411 is locked and fixed on the sliding plate 42 through a bolt; the auxiliary clamp 412 is clamped in the main clamp 411 and can move inwards or outwards relative to the main clamp 411, an air cylinder is externally connected to the auxiliary clamp 412, the air cylinder can drive the auxiliary clamp 412 to move inwards or outwards, the copper pipe is clamped when the auxiliary clamp moves inwards, the copper pipe is loosened when the auxiliary clamp moves outwards, and the air cylinder is not shown in the drawing.

The utility model discloses a theory of operation does: the copper pipe is straightened by the straightening mechanism 30 and then is sent to the pipe bending mechanism 10 by the transition plate 50 under the traction of the blanking mechanism 40; the auxiliary bending wheel 12 in the pipe bending mechanism 10 is far away from the main bending wheel 11, when the copper pipe reaches the main bending wheel 11, the clamping oil cylinder 151 acts, a piston rod of the clamping oil cylinder 151 extends out, the connecting plate 18 drives the auxiliary bending wheel 12 to move upwards and forwards, and finally the copper pipe in the bending track 13 on the main bending wheel 11 is clamped; after clamping, the bending oil cylinder 141 starts to act, the rack 144 drives the main shaft 142 to rotate, and the rotating shaft plate 16 drives the whole clamping unit to rotate together when the main shaft 142 rotates, so that the copper pipe is bent in the bending rail 13; after the bending is finished, the right oil cylinder 23 acts to push the motor support plate 24 upwards, so that the cutting knife at the front end is pressed downwards to cut the copper pipe. The coordination time among the air cylinder, the oil cylinder and the motor can be realized through PLC programming, and is not described herein.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A straightening, blanking and bending pipe integrated forming machine comprises a rack (00), and a pipe bending mechanism (10) and a material cutting mechanism (20) which are erected on the rack (00); the method is characterized in that: a transition plate (50) is additionally arranged between the pipe bending mechanism (10) and the material cutting mechanism (20); the straightening mechanism (30) and the blanking mechanism (40) are sequentially arranged from right to left at the front end of the pipe bending mechanism (10); the straightening mechanism (30) and the blanking mechanism (40) are both arranged on the rack (00); the pipe bending mechanism (10) comprises a main bending wheel (11), an auxiliary bending wheel (12) and a driving unit for driving the main bending wheel (11) and the auxiliary bending wheel (12) to act in a matched mode; the main bending wheel (11) and the auxiliary bending wheel (12) are respectively provided with at least 1 bending track (13), and the upper side and the lower side of the corner of the bending track (13) are provided with inward bulges (131).

2. The straightening blanking elbow integral forming machine according to claim 1, characterized in that: the number and the position shapes of the bending tracks (13) on the main bending wheel (11) are the same as those of the bending tracks (13) on the auxiliary bending wheel (12); the corners of the bending tracks (13) on the auxiliary bending wheels (12) are provided with rotatable roller wheel structures.

3. The straightening blanking elbow integral forming machine according to claim 1 or 2, characterized in that: the driving unit comprises a bending driving unit (14) and a clamping driving unit (15); the frame (00) is externally connected with a bearing plate (01); the bending driving unit (14) is arranged on the bearing plate (01); the bending driving unit (14) is connected with the clamping driving unit (15) through a rotating shaft plate (16); the main bending wheel (11) is fixed on the bearing plate (01) through a main wheel fixing block (17) and a main wheel fixing plate (19); the auxiliary bending wheel (12) is fixed at the output tail end of the clamping driving unit (15) through a connecting plate (18).

4. The straightening blanking elbow integral forming machine according to claim 3, characterized in that: the bending driving unit (14) comprises a bending oil cylinder (141) and a main shaft (142); the main shaft (142) is connected with the bearing plate (01) through a bearing; a gear (143) is integrally arranged on the main shaft (142); the output end of the bending oil cylinder (141) is connected with a rack (144) through a bolt in a locking manner; the rack (144) is meshed with the gear (143).

5. The straightening blanking elbow integral forming machine according to claim 3, characterized in that: the clamping driving unit (15) comprises an outer box body (150), a clamping oil cylinder (151) arranged in the outer box body (150), a connecting rod group (152) connected with the output end of the clamping oil cylinder (151) and a base (153) fixed at the upper end of the connecting rod group (152); the output end of the clamping oil cylinder (151) is hinged with the connecting rod group (152); the connecting part of the connecting rod group (152) and the base (153) is also hinged; the connecting plate (18) is locked and fixed on the base (153).

6. The straightening blanking elbow integral forming machine according to claim 1 or 2, characterized in that: the cutting mechanism (20) comprises a cutting knife, a servo motor (22) for driving the cutting knife, a motor supporting plate (24) for mounting the cutting knife and the servo motor (22), and an oil cylinder (23) acting on the motor supporting plate (24) and used for adjusting the distance between the cutting knife and the copper pipe; the cutting knife and the servo motor (22) are respectively arranged at the front end and the rear end of the motor support plate (24).

7. The straightening blanking elbow integral forming machine according to claim 1 or 2, characterized in that: the straightening mechanism (30) comprises a plurality of straightening wheels (31) and a fixing plate (32) for mounting the straightening wheels (31); the plurality of straightening wheels (31) are divided into two rows, and the plurality of straightening wheels (31) in the two rows are alternately arranged; each straightening wheel (31) is provided with a plurality of circular guide grooves (311).

8. The straightening blanking elbow integral forming machine according to claim 7, characterized in that: a large transition plate (33) is arranged in the direction of the input end of the straightening wheel (31); the large transition plate (33) is provided with a plurality of through holes (331).

9. The straightening blanking elbow integral forming machine according to claim 8, characterized in that: a small transition plate (34) is additionally arranged on a fixed plate (32) between the straightening wheel (31) and the large transition plate (33); a plurality of near through holes are also formed in the small transition plate (34); each near through hole can be matched with a corresponding circular guide groove (311) on the straightening wheel (31); the matched near through hole and the circular guide groove (311) are on the same horizontal plane.

10. The straightening blanking elbow integral forming machine according to claim 1 or 2, characterized in that: the blanking mechanism (40) comprises a clamp (41), a sliding plate (42), a linear guide rail (43), a screw rod (44) and a motor arranged in the rack (00); the clamp (41) is arranged on the sliding plate (42); the motor drives the screw rod (44) to drive the sliding plate (42) to move along the linear guide rail (43); the clamp (41) comprises a main clamp (411) and a sub clamp (412); the main clamp (411) is fixed on the sliding plate (42); the auxiliary clamp (412) is clamped in the main clamp (411) and can move inwards or outwards relative to the main clamp (411).