CN210940426U - Pipe bending device of plastic pipe bending equipment - Google Patents
Pipe bending device of plastic pipe bending equipment Download PDFInfo
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- CN210940426U CN210940426U CN201921102906.9U CN201921102906U CN210940426U CN 210940426 U CN210940426 U CN 210940426U CN 201921102906 U CN201921102906 U CN 201921102906U CN 210940426 U CN210940426 U CN 210940426U
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Abstract
The utility model relates to the technical field of profile material processing, and discloses a pipe bending device of plastic pipe bending equipment, which comprises a frame platform and a screw rod transmission mechanism, wherein the screw rod end of the screw rod transmission mechanism is connected with a fixed frame, the left end and the right end of the fixed frame are respectively articulated with a left push rod and a right push rod, the left push rod and the right push rod are connected with supporting rods, the lower ends of the supporting rods are connected with wheels, the wheels are positioned on the frame platform, the ends of the left push rod and the right push rod are connected with concave wheels, pillars provided with idler wheels are respectively fixed on the frame platform below the left push rod and the right push rod; the terminal still is connected with the flat board that is located the middle part between the push rod about, dull and stereotyped end-to-end connection has the roof, and ejector pin end-to-end connection has the concave type piece, and the cover has the pressure spring on the ejector pin, and the pressure spring pushes up between axle sleeve and concave type piece, is equipped with on the frame platform of the concave type piece department that corresponds and leans on the moulding-die. The utility model discloses can carry out the batch production of tube bending to big specification, the long plastic tubing of length.
Description
Technical Field
The utility model relates to a shape material processing technology field indicates a swan neck system of plastic tubing return bend equipment especially.
Background
Plastic pipes of various diameters, in particular PVC plastic pipes, are widely used in various industrial and civil buildings and electrical appliances, for water supply and sewerage pipes, exhaust pipes, cable conduits, and the like. The pipe must be bent at an appropriate angle according to the line direction. Chinese utility model patent ZL200620114554.5 and ZL201120411763.7 disclose my utility model's a plastic tubing swan neck system, and it is applicable to length ratio weak point and the plastic tubing return bend that the diameter is less than 200mm, and its effect is obvious. The technology is not suitable for manufacturing the bent pipe of the plastic pipe with the length of more than 2 meters and more than 200 mm. In engineering projects such as bridges and tunnels, the bending wiring of long plastic pipes and large plastic pipes occurs in cable wiring. At present, the bending wiring of long plastic pipes is realized by adopting direct elbow connection. The technology can not realize the bending of the plastic pipe with large specification and length.
According to the utility model discloses the patent number that the people applied for the mandate is ZL 201220590145.8's a plastic tubing return bend equipment, including preheating device and swan neck system, swan neck system includes frame platform, be equipped with a plurality of moulding-die that lean on that are the arc and arrange on the frame platform, the shape of the plastic tubing of system of bending by moulding-die arc shape for what arrange, it is equipped with the ejector die to correspond a set of anterior both sides of leaning on the moulding-die, lean on the moulding-die and the corresponding side of ejector die to be equipped with respectively with the plastic tubing assorted cambered surface of system of bending, be equipped with the pull rod on the ejector die, be equipped with portable ejector die on the pull rod and to. Adopt the utility model discloses the structure can carry out the batch production of tube bending to big specification, the long plastic tubing of length. However, in actual production, due to the large bending angle of the semiround bent pipe, the top pressing dies are positioned at the two ends of the workpiece, the middle part of the workpiece is positioned on a group of pressing dies arranged in an arc shape, and when the semiround bent pipe is bent, the top pressing dies cannot push the two ends of the workpiece to the last, so that the semiround bent pipe of the workpiece cannot be bent.
The applicant discloses a patent No. 201420050037.0 chinese utility model, a swan neck system of plastic tubing return bend equipment, swan neck system includes frame platform, is equipped with convex return bend groove on the frame platform, and the return bend groove is with the plastic tubing work piece looks adaptation that bends, and the groove width in return bend groove is greater than the external diameter of the plastic tubing work piece that bends. The utility model discloses a structure of elbow pipe groove can carry out the batch production of tube bending to big specification, the long plastic tubing of length, but it mainly uses the manual work as leading, and its efficiency is very low.
Therefore, it is urgently needed to design a pipe bending device of a plastic pipe bending device, which is suitable for the pipe bending processing of plastic pipes with large specifications and high lengths, can realize semicircular pipe bending, and has high production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a swan neck system of plastic tubing return bend equipment, its applicable pipe bending in the big, high length plastic tubing of specification to can realize semi-circular return bend, its production efficiency is high, makes things convenient for batch production.
The utility model provides a pipe bending device of plastic pipe bending equipment, including frame platform and drive arrangement, be equipped with the lead screw drive mechanism above the frame platform, drive arrangement can drive the lead screw transmission, the lead screw end of lead screw drive mechanism is connected with the mount, the left and right ends of mount articulate respectively has left and right push rod, left and right push rod is connected with the bracing piece, the bracing piece lower extreme is connected with the wheel, the wheel is located the frame platform, the end of left and right push rod is connected with the concave wheel, be fixed with the pillar that is equipped with the gyro wheel respectively on the frame platform below the left and right push rod, the gyro wheel is located the inboard of push rod, the gyro wheel face pastes on the push rod, be equipped with; the tail end of the screw rod is also connected with a flat plate, the flat plate is positioned in the middle between the left push rod and the right push rod, and the tail end of the flat plate is connected with a top plate; the lower end of the top plate is connected with a shaft sleeve A, an ejector rod is sleeved in the shaft sleeve A, a fixing column with a shaft sleeve B is arranged at the front end of the ejector rod, the fixing column is located on a rack platform, the ejector rod is sleeved in the shaft sleeve B, the tail end of the ejector rod is connected with a concave block, the concave shape of the concave block is matched with the shape of a processed plastic pipe workpiece, a pressure spring is sleeved on the ejector rod, the pressure spring abuts between the shaft sleeve A and the concave block, and the push rod and the ejector rod are parallel to each other in an initial; a press die is arranged on the rack platform at the corresponding concave block, a pipe bending groove is arranged on the press die, and the shape of the pipe bending groove is matched with the shape of a processed plastic pipe workpiece;
the positioning device is arranged, when the concave wheels connected with the tail ends of the left and right push rods push the processed plastic pipe workpiece into the bent pipe groove close to the pressing die for forming, the positioning device enables the driving device to stop working;
and the cooling device is used for cooling the heated processed plastic pipe workpiece after the processed plastic pipe workpiece is formed.
When the device is used, a long plastic pipe workpiece is placed at the arc-shaped pipe bending groove, the driving device works, the screw rod driving mechanism drives the screw rod to move forwards and drive towards the plastic pipe workpiece, the left and right push rods and the flat plate move forwards towards the plastic pipe workpiece, the flat plate pushes the pressure spring, the pressure spring presses the concave block to enable the push rod to move forwards towards the plastic pipe workpiece, when the concave block is pressed against the plastic pipe workpiece, the push rod stops moving forwards, the concave wheels at the tail ends of the left and right push rods respectively press against the left and right ends of the plastic pipe workpiece, the push rods can rotate left and right due to the fact that the left and right push rods are respectively hinged with the left and right ends of the fixing frame, under the pushing of the screw rod, the concave wheels at the tail ends of the left and right push rods move forwards and respectively move towards the left and right sides of the plastic pipe workpiece, the springs between the left and right push rods stretch, the positioning device enables the driving device to stop working, and meanwhile, the cooling device cools the heated processed plastic pipe workpiece; when the pipe is cooled to normal temperature, the driving device works, the screw rod driving mechanism drives the screw rod to retreat, and meanwhile, the pipe returns to an initial state under the action of the spring and the pressure spring, the driving device stops working, the pipe bending of the plastic pipe workpiece is completed, the plastic pipe workpiece is bent into a circular arc shape, the processed bent pipe is cooled in a circular arc bent pipe groove, the inner surface and the outer surface of the processed bent pipe are smooth, the appearance is attractive and durable, and the pipe diameter of the bent part is basically the same as that of the straight pipe.
Preferably, the rack platform is provided with a support A, one side of the fixing frame is provided with an induction plate, the induction plate is provided with a limiting block, the support A is provided with an inductor and is arranged in front of the inductor and behind the inductor, when the limiting block is arranged in front of the inductor in an initial state, the limiting block is arranged in the rear of the inductor when a concave wheel connected with the tail ends of the left push rod and the right push rod pushes a processed plastic pipe workpiece into a bent pipe groove close to the pressing die for molding, and the positioning device is formed by the structure.
Preferably, the cooling device is a water pipe, and cooling water is introduced into the water pipe.
Preferably, the fixing frame is connected with a water pipe, an electromagnetic valve is arranged above the water pipe, an arc cooling pipe with the shape consistent with that of the bent pipe groove is arranged at the tail end of the water pipe, a plurality of groups of water flow through holes are arranged below the cooling pipe, and when the concave wheels connected with the tail ends of the left push rod and the right push rod push processed plastic pipe workpieces into the bent pipe groove of the pressing die for molding, the cooling pipe is positioned above the bent pipe groove.
Preferably, the screw rod transmission mechanism comprises a screw rod, a transmission nut and a bearing seat arranged on the rack platform, a bearing is arranged in the bearing seat, the bearing is internally provided with the transmission nut in interference fit, the transmission nut is arranged in the nut seat, the transmission nut is internally provided with the screw rod fit matched with the transmission nut in a matching way, the transmission nut in the bearing seat is provided with a belt pulley, a motor and a gearbox are arranged below the rack platform, the positive output end of the motor is connected with a speed changer through an output shaft, the belt pulley is arranged on the transmission shaft of the speed changer, the transmission shaft of the speed changer is connected with the belt pulley on the.
Preferably, the two ejector rods are respectively connected with the concave block through two shaft sleeves B. Two ejector rods are used, so that the stress stability of the workpiece is ensured.
Preferably, the pipe bending groove is a semicircular pipe bending groove, and production of semicircular bent pipes can be achieved through the semicircular pipe bending groove.
Preferably, the pressing die is formed by bending two long side plates, the side plates are steel side plates, the two bent long side plates are welded on the rack platform, and the side plate behind the pressing die is supported by a channel steel baffle.
Preferably, the pipe bending die is in the shape of a semicircular arc and is matched with a plastic pipe workpiece to be bent.
The utility model discloses a technological means can obtain the technological effect does:
(1) the utility model discloses can be to the tube bending of diameter 75mm, length 2000mm and above plastic tubing, its effect is more obvious.
(2) The utility model discloses a structure of elbow pipe groove can carry out the batch production of tube bending to big specification, the long plastic tubing of length, is particularly useful for the curved system of semicircular plastic tubing return bend, has great spreading value.
(3) The utility model can put the long plastic pipe workpiece with fillers such as sand and stone in the preheating device for preheating, and after the preheating is finished, the long plastic pipe workpiece is put in the arc-shaped bent pipe groove, and the workpiece is bent into the arc-shaped shape; the processed bent pipe is cooled in the arc-shaped bent pipe groove, the inner surface and the outer surface of the bent pipe are smooth, the bent pipe is attractive and durable, and the pipe diameter of the bent part is basically the same as that of the straight pipe.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top view of the initial state of the present invention;
fig. 4 is a top view of the molding state of the present invention.
In the figure: 1 rack platform, 11 supports, 12 rollers, 13 fixing columns, 14 shaft sleeve B, 15 support A, 16 sensors in front of and 17 sensors behind, 2 lead screws, 21 flat plates, 22 top plates, 23 shaft sleeve A, 24 ejector pins, 25 compression springs, 26 concave blocks, 3 fixing frames, 31 sensing plates, 32 limiting blocks, 4 push rods, 41 bolts, 42 nuts, 43 supporting rods, 44 wheels, 45 concave wheels, 46 springs, 5 pressing dies, 51 bent pipe grooves, 6 water pipes, 61 electromagnetic valves, 62 cooling pipes, 7 bearing seats, 71 motors, 72 speed changers, 73 belts, 74 nut seats and 8 plastic pipe workpieces.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
The preferred embodiment of the pipe bending device of the plastic pipe bending device provided by the present invention is shown in fig. 1 to 4: a pipe bending device of a plastic pipe bending device comprises a rack platform 1 and a driving device, wherein a screw rod transmission mechanism is arranged on the rack platform 1, the driving device can drive a screw rod 2 to transmit, the tail end of the screw rod 2 of the screw rod transmission mechanism is connected with a fixed frame 3, the left end and the right end of the fixed frame 3 are respectively hinged with a left push rod 4 and a right push rod 4, the hinged structure is that a bolt 41 penetrates through the push rod 4 and the fixed frame 3, the lower end of the bolt 41 is screwed with a nut 42, the push rod 4 can rotate left and right through the bolt 41, the fixed frame 3 and the left and right push rods 4 are connected with a supporting rod 43, the lower end of the supporting rod 43 is connected with a wheel 44, the wheel 44 is positioned on the rack platform 1, the tail end of the left and right push rods 4 is connected with a concave wheel 45, the roller 12 is attached to the push rods 4, and a spring 46 is arranged between the left push rod 4 and the right push rod 4; the tail end of the screw rod 2 is also connected with a flat plate 21, the flat plate 21 is positioned in the middle between the left push rod 4 and the right push rod 4, and the tail end of the flat plate 21 is connected with a top plate 22; the lower end of the top plate 22 is connected with a shaft sleeve A23, a push rod 24 is sleeved in a shaft sleeve A23, a fixing column 13 with a shaft sleeve B14 is arranged at the front end of the push rod 24, the fixing column 13 is positioned on the rack platform 1, the push rod 24 is sleeved in the shaft sleeve B14, the tail end of the push rod 24 is connected with a concave block 26, the concave shape of the concave block 26 is matched with the shape of a processed plastic pipe workpiece 8, a pressure spring 25 is sleeved on the push rod 24, the pressure spring 25 is pressed between the shaft sleeve A23 and the concave block 26, and in an initial state, the push rod 4 is parallel to the push rod; a pressing die 5 is arranged on the rack platform 1 at the corresponding concave block 26, a pipe bending groove 51 is arranged on the pressing die 5, and the shape of the pipe bending groove 51 is matched with the shape of the processed plastic pipe workpiece 8; the fixed frame 3 is connected with a water pipe 6, an electromagnetic valve 61 is arranged above the water pipe 6, an arc cooling pipe 62 with the shape consistent with that of the bent pipe groove 51 is arranged at the tail end of the water pipe 6, a plurality of groups of water flow through holes are arranged below the cooling pipe 62, and when the concave wheels 45 connected with the tail ends of the left and right push rods 4 push the processed plastic pipe workpiece 8 into the bent pipe groove 51 of the pressing die 5 for molding, the cooling pipe 62 is positioned above the bent pipe groove 51; the rack platform 1 is provided with a support A15, one side of the fixed frame 3 is provided with an induction plate 31, the induction plate 31 is provided with a limit block 32, the support A15 is provided with a front sensor 16 and a rear sensor 17, when in an initial state, the limit block 32 is positioned at the front sensor 22, and when the concave wheels 45 connected with the tail ends of the left and right push rods 4 push the processed plastic pipe workpiece 8 into the bent pipe groove 51 of the pressing die 5 for molding, the limit block 32 is positioned at the rear sensor 17.
The screw rod transmission mechanism comprises a screw rod 2, a transmission nut and a bearing seat 7 arranged on the rack platform 1, a bearing is arranged in the bearing seat 7, the bearing is internally provided with the transmission nut in interference fit, the nut seat 74 is internally provided with the transmission nut, the transmission nut is internally provided with the screw rod 2 matched with the transmission nut in a matched mode, the transmission nut in the bearing seat 7 is provided with a belt pulley, a motor 71 and a transmission 72 are arranged below the rack platform, the positive output end of the motor 71 is connected with the transmission 72 through an output shaft, the transmission shaft of the transmission 72 is provided with the belt pulley, the transmission shaft of the transmission 72 is connected with the belt pulley on the screw rod 2 through a belt 73.
The long plastic pipe workpiece 8 provided with fillers such as sand and stone can be placed in a preheating device for preheating, after the preheating is finished, the long plastic pipe workpiece 8 is placed in the arc-shaped pipe bending groove 51, and the plastic pipe workpiece is bent into an arc shape; the processed elbow is cooled in the arc-shaped elbow groove 51, the inner surface and the outer surface of the elbow are smooth, the elbow is attractive and durable, and the pipe diameter of the bent part is basically the same as that of the straight pipe.
When the utility model is operated and used, as shown in figures 1 to 4,
the long plastic pipe workpiece 8 with fillers such as sand and stone can be put in a preheating device for preheating, after the preheating is finished, the long plastic pipe workpiece 8 is put in the arc-shaped elbow groove 51,
the motor 71 rotates forward, the screw rod 2 is driven to move towards one side of the pipe bending groove 51 through the speed changer 72 and the belt 73, the screw rod driving mechanism drives the screw rod 2 to move forwards towards the plastic pipe workpiece 8, the left and right push rods 4 and the flat plate 21 move forwards towards the plastic pipe workpiece 8, the flat plate 21 pushes the pressure spring 25, the pressure spring 25 extrudes the concave block 26, so that the ejector rod 24 moves forwards towards the plastic pipe workpiece 8, when the concave block 26 is pressed against the plastic pipe workpiece 8, the ejector rod 24 stops moving forwards, the concave wheels 45 at the tail ends of the left and right push rods 4 are respectively pressed against the left and right ends of the plastic pipe workpiece 8, the left and right push rods 4 are respectively hinged with the left and right ends of the fixing frame 3, under the pushing of the screw rod 2, the concave wheels 45 at the tail ends of the left and right push rods 4 move forwards and respectively towards the left and right sides of the plastic pipe workpiece 8, the spring 46 between the left and right push rods 4 is stretched, when the concave block 26 pushes the pipe fitting, the concave block cannot push the plastic pipe workpiece 8 forwards all the time under the action of the pressure spring 25, when the concave wheel 45 pushes the plastic pipe workpiece 8, the concave wheel slides to the two sides of the plastic pipe workpiece 8 to bend the plastic pipe workpiece 8, the limiting block 32 is located at the rear 17 of the sensor at the moment and sends out an instruction, the motor 71 stops working, the electromagnetic valve 61 of the water pipe 6 is opened at the same time, and cooling water cools the heated plastic pipe workpiece 8 to be processed through a water flow through hole below the cooling pipe 62; the processed elbow is cooled in the arc-shaped elbow groove 51, the inner surface and the outer surface of the elbow are smooth, the elbow is attractive and durable, and the pipe diameter of the bent part is basically the same as that of the straight pipe.
When the temperature is cooled to the normal temperature, the cooling time can be set according to specific conditions, the electromagnetic valve 61 of the water pipe 6 is closed, and the cooling water stops supplying water to the cooling pipe 62; the motor 71 rotates reversely, the screw rod transmission mechanism drives the screw rod 2 to move backwards, and meanwhile, under the action of the spring 46 and the pressure spring 25, the initial state is returned, at the moment, the limiting block 32 on the induction plate 31 is located at the front 16 of the inductor, an instruction is sent, and the motor 71 stops working.
The driving device stops working, the pipe bending of the plastic pipe workpiece 8 is completed, the plastic pipe workpiece 8 is bent into the arc shape, the processed bent pipe is cooled in the arc bent pipe groove 51, the inner surface and the outer surface of the processed bent pipe are smooth, attractive and durable, and the pipe diameter of the bent part is basically the same as that of the straight pipe.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the present invention is not limited to the above-mentioned overall application, and the technical features described in the specification can be selected to be adopted alone or be combined together according to actual needs, so that the present invention covers other combinations and specific applications related to the present invention.
Claims (6)
1. The utility model provides a bending device of plastic tubing return bend equipment, includes frame platform (1) and drive arrangement, its characterized in that: the rack platform is characterized in that a screw rod transmission mechanism is arranged on the rack platform (1), a driving device can drive a screw rod (2) to transmit, the tail end of the screw rod (2) of the screw rod transmission mechanism is connected with a fixed frame (3), the left end and the right end of the fixed frame (3) are respectively hinged with a left push rod (4) and a right push rod (4), the left push rod (4) and the right push rod (4) are connected with a supporting rod (43), the lower end of the supporting rod (43) is connected with a wheel (44), the wheel (44) is positioned on the rack platform (1), the tail ends of the left push rod (4) and the right push rod (4) are connected with a concave wheel (45), a support column (11) provided with a roller (12) is respectively fixed on the rack platform (1) below the left push rod (4) and the right push; the tail end of the screw rod (2) is also connected with a flat plate (21), the flat plate (21) is positioned in the middle between the left push rod and the right push rod (4), and the tail end of the flat plate (21) is connected with a top plate (22); the lower end of the top plate (22) is connected with a shaft sleeve A (23), an ejector rod (24) is sleeved in the shaft sleeve A (23), a fixing column (13) with a shaft sleeve B (14) is arranged at the front end of the ejector rod (24), the fixing column (13) is positioned on the rack platform (1), the ejector rod (24) is sleeved in the shaft sleeve B (14), a concave block (26) is connected with the tail end of the ejector rod (24), the concave shape of the concave block (26) is matched with the shape of a processed plastic pipe workpiece, a pressure spring (25) is sleeved on the ejector rod (24), the pressure spring (25) is pressed between the shaft sleeve A (23) and the concave block (26), and the push rod (4) and the ejector rod (24) are parallel to each other in an initial state; a pressing die (5) is arranged on the rack platform (1) at the corresponding concave block (26), a pipe bending groove (51) is arranged on the pressing die (5), and the shape of the pipe bending groove (51) is matched with the shape of a processed plastic pipe workpiece (8);
the positioning device is arranged, when the concave wheels (45) connected with the tail ends of the left and right push rods (4) push the processed plastic pipe workpiece (8) into the bent pipe groove (51) of the pressing die (5) for forming, the positioning device enables the driving device to stop working;
and the cooling device is used for cooling the heated processed plastic pipe workpiece (8) after the processed plastic pipe workpiece (8) is formed.
2. The pipe bending apparatus for pipe bending equipment of plastic pipes according to claim 1, wherein: be equipped with support A (15) on frame platform (1), one side of mount (3) is equipped with tablet (31), be equipped with stopper (32) on tablet (31), be equipped with (16) before the inductor and behind the inductor (17) on support A (15), when at initial condition, stopper (32) are located (16) department before the inductor, when the end-to-end connection's of left and right push rod (4) concave type wheel (45) push into the bending groove (51) interior shaping by moulding-die (5) to processed plastic tubing work piece (8), stopper (32) are located (17) department behind the inductor, above-mentioned structure has formed positioner.
3. The pipe bending apparatus for pipe bending equipment of plastic pipes according to claim 1, wherein: the cooling device is a water pipe (6), and cooling water is introduced into the water pipe (6).
4. The pipe bending apparatus for pipe bending equipment of plastic pipes according to claim 1, wherein: the plastic pipe bending die is characterized in that a water pipe (6) is connected onto the fixing frame (3), an electromagnetic valve (61) is arranged above the water pipe (6), an arc cooling pipe (62) with the same shape as the pipe bending groove (51) is arranged at the tail end of the water pipe (6), a plurality of groups of water flow through holes are arranged below the cooling pipe (62), and when the processed plastic pipe workpiece (8) is pushed into the pipe bending groove (51) close to the pressing die (5) to be formed by the concave wheels (45) connected with the tail ends of the left push rod (4) and the right push rod (4), the cooling pipe (62) is positioned above the pipe bending groove (51).
5. The pipe bending apparatus for pipe bending equipment of plastic pipes according to claim 1, wherein: screw drive mechanism include lead screw (2), drive nut and establish bearing frame (7) on rack platform (1), be equipped with the bearing in bearing frame (7), interference fit has drive nut in the bearing, be equipped with drive nut in nut seat (74), be equipped with lead screw (2) cooperation rather than the adaptation in the drive nut, drive nut in bearing frame (7) is equipped with the belt pulley, be equipped with motor (71) and derailleur (72) below rack platform (1), the positive output of motor (71) has derailleur (72) through output shaft connection, is equipped with the belt pulley on the transmission shaft of derailleur (72), the belt pulley on the transmission shaft of transmission (72) and lead screw (2) passes through belt (73) and connects, motor (71) work, drives the back-and-forth movement of lead screw (2) through belt (73).
6. The pipe bending apparatus for pipe bending equipment of plastic pipes according to claim 1, wherein: the two ejector rods (24) are respectively connected with the concave block (26) through two shaft sleeves A (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102906.9U CN210940426U (en) | 2019-07-15 | 2019-07-15 | Pipe bending device of plastic pipe bending equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921102906.9U CN210940426U (en) | 2019-07-15 | 2019-07-15 | Pipe bending device of plastic pipe bending equipment |
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| CN210940426U true CN210940426U (en) | 2020-07-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239068A (en) * | 2019-07-15 | 2019-09-17 | 浙江甬源塑业有限公司 | A kind of swan neck system of plastic tube angle pipe equipment |
| CN113815224A (en) * | 2021-09-22 | 2021-12-21 | 徐州洁诚环保科技有限公司 | Deformation device for lining pipe |
-
2019
- 2019-07-15 CN CN201921102906.9U patent/CN210940426U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239068A (en) * | 2019-07-15 | 2019-09-17 | 浙江甬源塑业有限公司 | A kind of swan neck system of plastic tube angle pipe equipment |
| CN113815224A (en) * | 2021-09-22 | 2021-12-21 | 徐州洁诚环保科技有限公司 | Deformation device for lining pipe |
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