CN214022805U - Bending device for machining top cover connecting piece of gymnasium - Google Patents

Abstract

The utility model discloses a device of buckling of gymnasium top cap connecting piece processing usefulness belongs to the technical field of the device of buckling, comprises a workbench, the right side fixed mounting of workstation has servo motor, servo motor's output shaft runs through and extends to the inside of workstation, fixedly connected with drive shaft on servo motor's the output shaft, the left end of drive shaft is rotated and is connected on the inner wall of workstation, the top fixedly connected with area pinion rack of workstation. The utility model discloses a, connecting piece atress moves down when deciding the bending plate and contacting the connecting piece, this moment a centre gripping section of thick bamboo towards unsteady board lopsidedness, connecting rod atress extrusion spring, the spring contracts along the gag lever post direction, the flexible direction of spring can be restricted in setting up of gag lever post, prevent that the spring from taking place the distortion in flexible engineering and arousing the slope, floating plate moves up after processing finishes, the spring just can reset, solved in the past buckle add man-hour connecting piece both ends easily by the problem that the centre gripping warp.

Description

Bending device for machining top cover connecting piece of gymnasium

Technical Field

The utility model relates to a technical field of buckle, more specifically say, relate to a device of buckling of gymnasium top cap connecting piece processing usefulness.

Background

Gymnasiums, indoor sporting events, physical exercises or buildings for conducting concerts. Gymnasiums can be divided into two types, namely competition halls and practice halls according to usability properties; the sports goods can be divided into basketball, ice hockey and track and field stadiums according to sports; the large, medium and small stadiums can be divided according to the size, generally according to the number of seats of audiences, China now refers to more than 8000 seats of audiences as a large stadium, and less than 3000 seats of audiences as a small stadium, and the middle stadium is between the two. Sometimes, a gym also serves as an entertainment center for various performance activities.

Along with the improvement of people's standard of living day, people are also more and more pleasing to the eye to the design degree of difficulty of gymnasium bigger and bigger liquid, and gymnasium top connecting piece naturally needs the not emergence of equidimension to be buckled, but connecting piece bending apparatus in the past is because both sides are by the centre gripping, and the emergence that can not equidimension in both ends when being processed is out of shape, can't process the bending apparatus to the connecting piece of difference in addition, therefore the professional in the art provides the bending apparatus of gymnasium top cap connecting piece processing usefulness, has solved the problem that above-mentioned background art mentioned.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a gymnasium top cap connecting piece processing is used buckles the device, possesses the high quality of buckling and can buckle the advantage to different connecting pieces, has solved the problem that the background art mentioned.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a bending device of gymnasium top cap connecting piece processing usefulness, includes the workstation, the right side fixed mounting of workstation has servo motor, servo motor's output shaft runs through and extends to the inside of workstation, fixedly connected with drive shaft on servo motor's the output shaft, the left end of drive shaft rotates and connects on the inner wall of workstation, the top fixedly connected with area pinion rack of workstation, sliding connection has the carriage on the tooth board, the back fixed mounting of carriage has driving motor, driving motor's output shaft runs through and extends to the inside of carriage, fixedly connected with drive gear on driving motor's the output shaft, mesh between drive gear and the top of taking the tooth board mutually, the back fixed mounting of carriage has hydraulic push rod, hydraulic push rod's bottom fixedly connected with floating plate, floating plate is located the bottom of carriage, the top of the floating plate is fixedly connected with a fixed bending plate, the fixed bending plate is rotatably connected with a screw rod, the screw rod is in threaded connection with two movable bending plates, the two movable bending plates are respectively positioned on the left side and the right side of the fixed bending plate, and the driving shaft is in threaded connection with two clamping devices;

clamping device includes the installation piece, installation piece threaded connection is in the drive shaft, the top fixedly connected with kicking block of installation piece, two springs of equal fixedly connected with on the inner wall of installation piece and kicking block, four the equal fixedly connected with connecting rod of the one end that the spring is relative, be provided with a clamping cylinder between kicking block and the installation piece, four the one end that adjacent spring was kept away from to the connecting rod all articulates on a clamping cylinder, a clamping cylinder's rotation is connected with the toothed ring, it is connected with four centre gripping gears, four to rotate on a clamping cylinder's the inner wall centre gripping gear all meshes mutually with the inboard of toothed ring, four equal fixedly connected with grip block on the centre gripping gear.

Preferably, the four clamping plates are all fixedly connected with friction pads, and the four friction pads are respectively located on one side, away from the inner wall of the clamping cylinder, of each clamping plate.

Preferably, the left side fixed mounting of workstation has control panel, servo motor, driving motor and hydraulic push rod all with control panel between electric connection.

Preferably, the bottom of the floating plate is provided with a first sliding groove, the inside of the first sliding groove is connected with two first sliding strips in a sliding manner, and the bottoms of the two first sliding strips are respectively and fixedly connected to the tops of the two movable bending plates.

Preferably, the front and the back of the toothed plate are provided with second sliding grooves, the two sliding grooves are connected with second sliding strips in a sliding manner, and the two sliding strips are fixedly connected to the moving frame on the opposite sides.

Preferably, the left side of the driving shaft is fixedly connected with a bearing, and an outer ring of the bearing is fixedly connected to the inner wall of the workbench.

Preferably, the two sides of the screw rod are fixedly connected with knobs, and the two knobs are provided with anti-skid grains.

Preferably, the eight springs are internally provided with limiting rods, and one ends of the limiting rods, which are close to the adjacent clamping cylinders, are respectively and fixedly connected to the eight connecting rods.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) when the device is needed to process and bend the connecting piece, firstly, the servo motor is electrified to work through the control panel, the control panel can enable a user to more simply and quickly control the device, so that the input of the user is reduced, the bending efficiency is improved, the servo motor is electrified to drive the driving shaft to synchronously rotate, the bearing rotates along with the driving shaft, the bearing can be arranged to play a certain fixing effect on the driving shaft, meanwhile, the friction between the driving shaft and a workbench can be reduced, the mounting block in threaded connection with the driving shaft starts to move towards the opposite direction, the servo motor is powered off when the distance between the two clamping devices is proper, then, two ends of the connecting piece are respectively placed into the two clamping cylinders, then, the toothed ring is rotated, four clamping gears meshed with the toothed ring rotate simultaneously, and simultaneously, the four clamping plates are driven to move to clamp the connecting piece in the middle, the rotation of the toothed ring can be stopped until the friction pad is attached to the connecting piece, the connecting piece is clamped at the moment, the friction between the clamping plate and the connecting piece can be increased due to the arrangement of the friction pad, so that the clamping plate can better clamp the connecting piece, then the screw rod is rotated through the knob, the knob can provide a good force application point for a user, so that the user can more easily rotate the screw rod, the anti-slip threads can prevent the user from slipping, the two movable bending plates synchronously move on the screw rod, the first sliding strip moves in the first sliding groove at the moment, the friction between the movable bending plates and the floating plate can be reduced due to the matching use between the first sliding groove and the first sliding strip, the moving distance of the movable bending plates on the floating plate can be limited, then the driving motor is electrified to work, the driving gear is driven to synchronously rotate after the driving motor is electrified, and the driving gear starts to move on the toothed plate meshed with the driving gear, when moving to the processing area, with hydraulic push rod circular telegram work, hydraulic push rod drives the floating plate after the circular telegram and moves down, decide the bending plate and begin to buckle the processing to the connecting piece with moving the bending plate, the connecting piece atress moves down when deciding the bending plate and contact the connecting piece, a centre gripping section of thick bamboo inclines towards floating plate one side this moment, connecting rod atress extrusion spring, the spring contracts along the gag lever post direction, the flexible direction of spring can be restricted in the setting of gag lever post, prevent that the spring from taking place the distortion in flexible engineering and arousing the slope, floating plate moves up after processing finishes, the spring just can reset, the easy problem that the centre gripping warp in the easy processing connecting piece both ends of processing man-hour in the past has been solved.

(2) This scheme, friction pad's setting can increase the friction between grip block and the connecting piece for the grip block can be better carry out the centre gripping to the connecting piece.

(3) This scheme, control panel's setting can make user of service can simple swift control this device more to this input that reduces personnel improves the efficiency of buckling.

(4) This scheme, the friction between first spout and the first draw runner can be reduced to cooperation between first spout and the first draw runner, can also restrict the displacement distance of moving the bending board on the floating plate simultaneously.

(5) This scheme, cooperation between second draw runner and the second spout is used and can be put up the supporting role to removing, can also reduce simultaneously and remove the frame and take the friction between the tooth board.

(6) This scheme, the bearing can set up and can play certain fixed effect to the drive shaft, can also reduce the friction between drive shaft and the workstation simultaneously.

(7) This scheme, the knob can provide a fine impetus for the user of service for the rotation lead screw that the user of service can relax more, and antiskid line then can prevent that the user of service from taking place the hand smooth.

(8) This scheme, the flexible direction of spring can be restricted in setting up of gag lever post, prevents that the spring from taking place the distortion in flexible engineering and arousing the slope.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

FIG. 4 is a schematic view of the three-dimensional structure of the movable frame of the present invention;

fig. 5 is a schematic side view of the clamping cylinder of the present invention.

The reference numbers in the figures illustrate:

1. a work table; 2. a servo motor; 3. a drive shaft; 4. a toothed plate; 5. a movable frame; 6. a drive motor; 7. a drive gear; 8. a hydraulic push rod; 9. a floating plate; 10. a fixed bending plate; 11. a screw rod; 12. bending the folded plate movably; 13. a clamping device; 1301. mounting blocks; 1302. a top block; 1303. a spring; 1304. a connecting rod; 1305. a clamping cylinder; 1306. a toothed ring; 1307. clamping the gear; 1308. a clamping plate; 14. a friction pad; 15. a control panel; 16. a first chute; 17. a first slide bar; 18. a second chute; 19. a second slide bar; 20. a bearing; 21. a knob; 22. a limiting rod.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a bending device for machining a top cover connecting piece of a gymnasium comprises a workbench 1, a servo motor 2 is fixedly installed on the right side of the workbench 1, an output shaft of the servo motor 2 penetrates and extends into the workbench 1, a driving shaft 3 is fixedly connected to the output shaft of the servo motor 2, the left end of the driving shaft 3 is rotatably connected to the inner wall of the workbench 1, a toothed plate 4 is fixedly connected to the top of the workbench 1, a moving frame 5 is slidably connected to the toothed plate 4, a driving motor 6 is fixedly installed on the back of the moving frame 5, an output shaft of the driving motor 6 penetrates and extends into the moving frame 5, a driving gear 7 is fixedly connected to the output shaft of the driving motor 6, the driving gear 7 is engaged with the top of the toothed plate 4, a hydraulic push rod 8 is fixedly installed on the back of the moving frame 5, and a floating plate 9 is fixedly connected to the bottom end of the hydraulic push rod 8, the floating plate 9 is positioned at the bottom of the moving frame 5, the top of the floating plate 9 is fixedly connected with a fixed bending plate 10, the fixed bending plate 10 is rotatably connected with a screw rod 11, the screw rod 11 is in threaded connection with two movable bending plates 12, the two movable bending plates 12 are respectively positioned at the left side and the right side of the fixed bending plate 10, and the driving shaft 3 is in threaded connection with two clamping devices 13;

the clamping device 13 comprises an installation block 1301, the installation block 1301 is in threaded connection with the driving shaft 3, the top of the installation block 1301 is fixedly connected with a top block 1302, the inner walls of the installation block 1301 and the top block 1302 are both fixedly connected with two springs 1303, the opposite ends of the four springs 1303 are both fixedly connected with connecting rods 1304, a clamping cylinder 1305 is arranged between the top block 1302 and the installation block 1301, the ends of the four connecting rods 1304, far away from the adjacent springs 1303, are both hinged on the clamping cylinder 1305, the clamping cylinder 1305 is rotatably connected with a toothed ring 1306, the inner wall of the clamping cylinder 1305 is rotatably connected with four clamping gears 1307, the four clamping gears 1307 are both meshed with the inner side of the toothed ring 1306, clamping plates 1308 are all fixedly connected on the four clamping gears 1307, when the device is required to be used for processing and bending of a connecting piece, firstly, the servo motor 2 is electrified to work through the control panel 15, the control panel 15 can enable a user to more simply and rapidly control the device, so as to reduce the input of personnel and improve the bending efficiency, the servo motor 2 drives the driving shaft 3 to synchronously rotate after being electrified, the bearing 20 rotates along with the driving shaft 3, the bearing 20 can be arranged to play a certain fixing effect on the driving shaft 3, meanwhile, the friction between the driving shaft 3 and the workbench 1 can be reduced, the mounting block 1301 in threaded connection with the driving shaft 3 starts to move towards the opposite direction, the servo motor 2 is powered off after the distance between the two clamping devices 13 is proper, then the two ends of the connecting piece are respectively placed into the two clamping cylinders 1305, then the toothed ring 1306 is rotated, the four clamping gears 1307 meshed with the toothed ring 1306 simultaneously rotate, simultaneously, the four clamping plates 1308 are driven to move to clamp the connecting piece in the middle, the rotating toothed ring 1306 can be stopped until the friction pad 14 is attached to the connecting piece, at the moment, the connecting piece is clamped, the friction between the clamping plates 1308 and the connecting piece can be increased by the arrangement of the friction pad 14, so that the clamping plate 1308 can better clamp the connecting piece, then the screw rod 11 is rotated through the knob 21, the knob 21 can provide a good force point for a user, so that the user can more easily rotate the screw rod 11, the anti-slip threads can prevent the user from slipping hands, the two movable bending plates 12 can synchronously move on the screw rod 11, at the moment, the first sliding strip 17 moves in the first sliding groove 16, the friction between the movable bending plates 12 and the floating plate 9 can be reduced by the matching use between the first sliding groove 16 and the first sliding strip 17, the moving distance of the movable bending plates 12 on the floating plate 9 can be limited, then the driving motor 6 is electrified to work, the driving motor 6 drives the driving gear 7 to synchronously rotate after being electrified, the driving gear 7 starts to move on the toothed plate 4 meshed with the driving gear 7, when the hydraulic push rod 8 moves to a processing area, the hydraulic push rod 8 can be electrified to work, the hydraulic push rod 8 drives the floating plate 9 to move downwards after being electrified, the fixed bending plate 10 and the movable bending plate 12 begin to bend the connecting piece, the connecting piece is stressed to move downwards when the fixed bending plate 10 contacts the connecting piece, the clamping cylinder 1305 inclines towards one side of the floating plate 9 at the moment, the connecting rod 1304 is stressed to extrude the spring 1303, the spring 1303 contracts along the direction of the limiting rod 22, the setting of the limiting rod 22 can limit the stretching direction of the spring 1303, the spring 1303 is prevented from being distorted in the stretching engineering to cause the inclination, the floating plate 9 moves upwards after the processing is finished, the spring 1303 can reset, and the problem that the two ends of the connecting piece are easily deformed by clamping during the conventional bending processing is solved.

Furthermore, the four clamping plates 1308 are all fixedly connected with friction pads 14, the four friction pads 14 are respectively located on one side of the four clamping plates 1308, which is far away from the inner wall of the clamping cylinder 1305, and the friction between the clamping plates 1308 and the connecting piece can be increased by the arrangement of the friction pads 14, so that the clamping plates 1308 can better clamp the connecting piece.

Further, the left side fixed mounting of workstation 1 has control panel 15, servo motor 2, driving motor 6 and hydraulic push rod 8 all with control panel 15 between electric connection, control panel 15 set up can make this device of controlling that the user can be simple swift more to this input that reduces personnel improves the efficiency of buckling.

Furthermore, a first sliding groove 16 is formed in the bottom of the floating plate 9, two first sliding strips 17 are connected to the inside of the first sliding groove 16 in a sliding manner, the bottoms of the two first sliding strips 17 are fixedly connected to the tops of the two movable bending plates 12 respectively, friction between the movable bending plates 12 and the floating plate 9 can be reduced by matching the first sliding groove 16 and the first sliding strips 17, and meanwhile the moving distance of the movable bending plates 12 on the floating plate 9 can be limited.

Further, take the front and the back of tooth board 4 to all seted up second spout 18, the equal sliding connection in inside of two second spouts 18 has second draw runner 19, and the equal fixed connection in one side that two second draw runners 19 carried on the back mutually is on removing frame 5, and the cooperation between second draw runner 19 and the second spout 18 is used and can be played the supporting role to removing frame 5, can also reduce simultaneously and remove 5 and take the friction between the tooth board 4.

Further, the left side fixedly connected with bearing 20 of drive shaft 3, the outer lane fixed connection of bearing 20 is on the inner wall of workstation 1, and bearing 20 can set up and can play certain fixed effect to drive shaft 3, can also reduce the friction between drive shaft 3 and the workstation 1 simultaneously.

Further, the equal fixedly connected with knob 21 in both sides of lead screw 11 has all seted up anti-skidding line on two knobs 21, and knob 21 can provide a fine impetus for the user for user can be more light rotate lead screw 11, and anti-skidding line then can prevent that user from taking place the hand cunning.

Furthermore, the limiting rods 22 are arranged inside the eight springs 1303, one ends of the eight limiting rods 22, which are close to the adjacent clamping cylinders 1305, are respectively and fixedly connected to the eight connecting rods 1304, and the arrangement of the limiting rods 22 can limit the stretching direction of the springs 1303, so that the springs 1303 are prevented from being twisted to incline in the stretching process.

In the scheme, the types of the servo motor 2 and the driving motor 6 can be 110 ST-M04030; the hydraulic push rod 8 can be in the type of DYTP-3000.

The working principle is as follows: when the device is needed to be used for processing and bending a connecting piece, firstly, the servo motor 2 is electrified through the control panel 15 to work, the servo motor 2 drives the driving shaft 3 to synchronously rotate after being electrified, the bearing 20 rotates along with the driving shaft, the mounting block 1301 in threaded connection with the driving shaft 3 starts to move towards the opposite direction, the servo motor 2 is powered off after the distance between the two clamping devices 13 is proper, then, two ends of the connecting piece are respectively placed into the two clamping cylinders 1305, then, the toothed ring 1306 is rotated, the four clamping gears 1307 meshed with the toothed ring 1306 simultaneously rotate, simultaneously, the four clamping plates 1308 are driven to move to clamp the connecting piece in the middle, the rotating of the toothed ring 1306 can be stopped until the friction pad 14 is attached to the connecting piece, at the moment, the connecting piece is clamped, then, the screw rod 11 is rotated through the knob 21, the two movable bending plates 12 synchronously move on the screw rod 11, at the moment, the first sliding strip 17 moves in the first sliding groove 16, then, the driving motor 6 is electrified to work, the driving gear 7 is driven to synchronously rotate after the driving motor 6 is electrified, the driving gear 7 starts to move on the toothed plate 4 meshed with the driving gear 7, when the driving gear moves to a machining area, the hydraulic push rod 8 is electrified to work, the floating plate 9 is driven to move downwards after the hydraulic push rod 8 is electrified, the fixed bending plate 10 and the movable bending plate 12 start to bend the connecting piece, when the fixed bending plate 10 contacts the connecting piece, the connecting piece is stressed to move downwards, at the moment, the clamping cylinder 1305 inclines towards one side of the floating plate 9, the connecting rod 1304 is stressed to press the spring 1303, the spring 1303 is contracted along the direction of the limiting rod 22, when the machining is finished, the floating plate 9 moves upwards, the spring 1303 can reset, and the problem that the two ends of the connecting piece are easy to clamp and deform in the conventional bending machining process is solved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (8)

1. The utility model provides a device of buckling of gymnasium top cap connecting piece processing usefulness, includes workstation (1), its characterized in that: the hydraulic press is characterized in that a servo motor (2) is fixedly mounted on the right side of the workbench (1), an output shaft of the servo motor (2) penetrates through and extends to the inside of the workbench (1), a drive shaft (3) is fixedly connected to the output shaft of the servo motor (2), the left end of the drive shaft (3) is rotatably connected to the inner wall of the workbench (1), a toothed plate (4) is fixedly connected to the top of the workbench (1), a moving frame (5) is slidably connected to the toothed plate (4), a driving motor (6) is fixedly mounted on the back of the moving frame (5), an output shaft of the driving motor (6) penetrates through and extends to the inside of the moving frame (5), a driving gear (7) is fixedly connected to the output shaft of the driving motor (6), the driving gear (7) is meshed with the top of the toothed plate (4), and a hydraulic push rod (8) is fixedly mounted on the back of the moving frame (5), the bottom end of the hydraulic push rod (8) is fixedly connected with a floating plate (9), the floating plate (9) is located at the bottom of the moving frame (5), the top of the floating plate (9) is fixedly connected with a fixed bending plate (10), the fixed bending plate (10) is rotatably connected with a lead screw (11), the lead screw (11) is in threaded connection with two movable bending plates (12), the two movable bending plates (12) are respectively located on the left side and the right side of the fixed bending plate (10), and the driving shaft (3) is in threaded connection with two clamping devices (13);

the clamping device (13) comprises a mounting block (1301), the mounting block (1301) is in threaded connection with the driving shaft (3), the top of the mounting block (1301) is fixedly connected with a top block (1302), the inner walls of the mounting block (1301) and the top block (1302) are fixedly connected with two springs (1303), one ends of the four springs (1303) opposite to each other are fixedly connected with a connecting rod (1304), a clamping cylinder (1305) is arranged between the top block (1302) and the mounting block (1301), one end of each of the four connecting rods (1304) far away from the adjacent spring (1303) is hinged to the clamping cylinder (1305), the clamping cylinder (1305) is rotatably connected with a toothed ring (1306), the inner wall of the clamping cylinder (1305) is rotatably connected with four clamping gears (1307), the four clamping gears (1307) are meshed with the inner side of the toothed ring (1306), and the four clamping gears (1307) are fixedly connected with clamping plates (1308).

2. The bending device for machining the gymnasium roof connecting piece according to claim 1, wherein: the four clamping plates (1308) are fixedly connected with friction pads (14), and the four friction pads (14) are respectively positioned on one sides, far away from the inner wall of the clamping cylinder (1305), of the four clamping plates (1308).

3. The bending device for machining the gymnasium roof connecting piece according to claim 1, wherein: the left side fixed mounting of workstation (1) has control panel (15), servo motor (2), driving motor (6) and hydraulic push rod (8) all with control panel (15) between electric connection.

4. The bending device for machining the gymnasium roof connecting piece according to claim 1, wherein: the bottom of the floating plate (9) is provided with a first sliding groove (16), two first sliding strips (17) are connected inside the first sliding groove (16) in a sliding mode, and the bottoms of the two first sliding strips (17) are fixedly connected to the tops of the two movable bending plates (12) respectively.

5. The bending device for machining the gymnasium roof connecting piece according to claim 1, wherein: second spout (18) have all been seted up with the back in the front of toothed plate (4), two the equal sliding connection in inside of second spout (18) has second draw runner (19), two the equal fixed connection in one side that second draw runner (19) carried on the back mutually is on removing frame (5).

6. The bending device for machining the gymnasium roof connecting piece according to claim 1, wherein: the left side fixedly connected with bearing (20) of drive shaft (3), the outer lane fixed connection of bearing (20) is on the inner wall of workstation (1).

7. The bending device for machining the gymnasium roof connecting piece according to claim 1, wherein: the two sides of the screw rod (11) are fixedly connected with knobs (21), and anti-skid grains are arranged on the two knobs (21).

8. The bending device for machining the gymnasium roof connecting piece according to claim 1, wherein: eight limiting rods (22) are arranged in the springs (1303), and one ends, close to the adjacent clamping cylinders (1305), of the limiting rods (22) are fixedly connected to the eight connecting rods (1304) respectively.

Images