CN213351509U

CN213351509U - Quick elbow forming mechanism

Info

Publication number: CN213351509U
Application number: CN202021232149.XU
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 rapid pipe bending forming mechanism, 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; a transition plate is additionally arranged between the pipe bending mechanism and the material cutting mechanism; 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. The utility model aims at overcoming the defect that prior art exists, provide a can avoid the department of bending edges and corners change obvious, the quick return bend forming mechanism that the intraductal space narrows down.

Description

Quick elbow forming mechanism

Technical Field

The utility model relates to a tubular product processing equipment, especially a quick return bend forming mechanism.

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, the bending type short copper pipe often needs to stretch the loop bar into the copper pipe to be bent when being bent, so that the problems that the edge of the bending part of the copper pipe is obvious, the space in the pipe is narrowed and the like in the bending process are solved. Therefore, it is necessary to design a fast pipe bending mechanism which can avoid the sharp corner of the bending part and narrow the space in the pipe.

Disclosure of Invention

The utility model aims at overcoming the defect that prior art exists, provide a can avoid the department of bending edges and corners change obvious, the quick return bend forming mechanism that the intraductal space narrows down.

Realize the utility model discloses the technical scheme of purpose is: a quick pipe bending forming mechanism 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; a transition plate is additionally arranged between the pipe bending mechanism and the material cutting mechanism; a plurality of guide through holes are formed in the transition plate in parallel from top to bottom; 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.

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 copper adds the effect of establishing the cab apron of crossing between blank mechanism and return bend mechanism and playing 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 schematic view of the loosening mechanism of the present invention;

FIG. 3 is a schematic view of the clamping mechanism of the present invention;

fig. 4 is a rotary bending perspective view of the present invention;

fig. 5 is another perspective view of the present invention showing a rotary bending by an angle;

FIG. 6 is a perspective view of the main bending wheel of the present invention;

fig. 7 is a right side view of the main bending wheel of the present invention;

fig. 8 is a left side view of the main bending wheel of the present invention;

FIG. 9 is a perspective view of the auxiliary bending wheel of the present invention;

fig. 10 is a top view of fig. 9 of the present invention;

FIG. 11 is a perspective view of the auxiliary bending wheel of the present invention;

fig. 12 is a perspective view of another angle auxiliary bending wheel of the present invention.

The reference numbers in the drawings are as follows:

the bending machine comprises a frame 00, a bearing plate 01, 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, a main wheel fixing plate 19, a blanking mechanism 20, a servo motor 22, an oil cylinder 23, a motor supporting plate 24, a support 25, a transition plate 50 and a through hole 51.

Detailed Description

(example 1)

Referring to fig. 1 to 12, the present invention has 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 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.

The utility model discloses a theory of operation does: during operation, the copper pipe is conveyed to the pipe bending mechanism 10 through the transition plate 50; 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 quick pipe bending forming mechanism comprises a rack (00), a pipe bending mechanism (10) and a material cutting mechanism (20), wherein the pipe bending mechanism (10) and the material cutting mechanism 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); a plurality of guide through holes (51) are formed in the transition plate (50) in parallel from top to bottom; 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 quick pipe bending mechanism according to claim 1, wherein: 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 quick pipe bending mechanism according to claim 1 or 2, wherein: 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 quick pipe bending mechanism according to claim 3, wherein: 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 quick pipe bending mechanism according to claim 3, wherein: 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 quick pipe bending mechanism according to claim 3, wherein: 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).