Bending device for transformer insulating cardboard

Abstract

The bending device comprises a sliding groove strip, a connecting frame, a machine frame and a base, the machine frame is fixed to the upper end of the base, the connecting frame is fixed to the upper end of the machine frame, the middle of the upper end of the connecting frame is connected with a lead screw through a bearing, the lower end of the connecting frame is connected with a second conical wheel through a bearing, and the lower end of the second conical wheel is connected with a third conical wheel through a bearing. The interior of the second conical wheel is in insection fit with the lead screw, the side portion of the second conical wheel is meshed with a first conical wheel, the side portion of the connecting frame is connected with a supporting cover, a motor is installed on the inner wall of the supporting cover through a bolt, the output end of the motor is fixedly connected with the driving end of the first conical wheel, and a guide ring is fixed to one end of the supporting cover; and a guide rod is slidably connected to the interior of the guide ring, and the lower end of the lead screw is connected with a bending block through a bearing. The bending device saves manpower and is good in bending effect.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer manufacturing, in particular to a bending device for transformer insulating paperboard. Background Art

[0002] Insulation paperboard refers to electrical paperboard for motors, electrical appliances, instruments, switch transformers, etc. and their components. Air insulation paperboard must also have high tightness and withstand voltage strength. It is made of unbleached kraft wood pulp and is made by sticky beating. It is used in motors, power instruments, etc. Usually there are air insulation paperboard and oil insulation paperboard, which have good insulation, heat resistance, durability, etc. The purpose of insulation paperboard is to make slots, windings, gaskets, protective layers, etc. Insulation materials for air media. Transformer insulation paperboard needs to be bent during use.

[0003] A transformer insulating paperboard bending device disclosed in application No. 201921496289.5 comprises a machine base, the top of the machine base is fixedly connected to a machine platform, a fixing plate is arranged on one side of the machine platform, a fixing screw is arranged on the outer surface of the fixing plate, a fixing plate is arranged on one side of the fixing screw, a pad is arranged inside the fixing plate, an upper fixing plate is arranged on the top of the pad, a loose bolt is fixedly connected to the top of the upper fixing plate, an insulating paperboard is arranged at one end of the pad, a pushing movable pressing plate is arranged at the other end of the insulating paperboard, a supporting shaft seat is arranged at the bottom of the pushing movable pressing plate, and an operating handle is arranged on the side of the supporting shaft seat away from the pushing movable pressing plate; however, when it is actually used, there is still a problem of poor functionality, the bending requires manual operation, which is not labor-saving enough and has low efficiency, and, when bending, the crease of the paperboard cannot be positioned, the support plate is easy to move, and the bending effect is not good. Utility Model Content

[0004] The utility model aims to provide a bending device for transformer insulation paperboard to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bending device for transformer insulating paperboard, comprising a slide groove bar, a connecting frame, a frame and a base, the frame is fixed to the upper end of the base, the connecting frame is fixed to the upper end of the frame, the middle of the upper end of the connecting frame is connected with a screw rod through a bearing, the lower end of the connecting frame is connected with a conical wheel 2 through a bearing, and the interior of the conical wheel 2 cooperates with the tooth pattern of the screw rod, the side of the conical wheel 2 is meshed with a conical wheel 1, the side of the connecting frame is connected with a support cover, and a motor is installed on the inner wall of the support cover through bolts, and the output end of the motor is fixedly connected to the driving end of the conical wheel 1.

[0006] Preferably, a guide ring is fixed to one end of the support cover, and a guide rod is slidably connected inside the guide ring.

[0007] Preferably, the lower end of the screw rod is connected to a bending block via a bearing, and the upper end of the side portion of the bending block is fixedly connected to the lower end of the guide rod, and the upper end of the base is provided with a groove corresponding to the bending block.

[0008] Preferably, the upper end of the screw rod is connected to a connecting seat via a bearing, and the side portion of the connecting seat is fixedly connected to the upper end of the side portion of the guide rod.

[0009] Preferably, the slide groove bar is connected to the lower part of the top end of the frame, a slider is slidably connected in the slide groove bar, a pressure plate is fixed to the lower end of the slider, and a handle is connected to the side of the slider.

[0010] Preferably, an electric push rod is fixed to the side of the lower end of the base, and a sliding rod is hinged at one end of the electric push rod.

[0011] Preferably, a sleeve is slidably connected to the outside of the sliding rod, and the upper end of the sleeve is hinged to the side of the base, and a bending plate is fixed to the upper end of the sleeve.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The electric push rod is extended and retracted, driving the slide bar to slide in the sleeve, and causing the slide bar angle to change. The sleeve angle changes, driving the bending plate angle to change. After one part of the cardboard is pressed, the other part can be pushed to complete the bending. After the bending block rises, the bending plate continues to push the cardboard. The bending plate rotates at an angle of more than 90 degrees, effectively reducing the cardboard rebound and saving manpower.

[0014] (2) Driven by the motor, the conical wheel 1 rotates, and then the conical wheel 2 rotates, so that the screw rod is lifted and lowered in the vertical direction. The screw rod drives the bending block to lift and lower. The groove cooperates with the lower end of the bending block to squeeze and position the cardboard where it needs to be bent, avoid the cardboard from being displaced, facilitate bending, and achieve good bending effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 4 This is a schematic diagram of the guide ring and support cover structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the slide bar and the pressure plate of the utility model;

[0020] In the figure: 1. Motor; 2. Support cover; 3. Guide ring; 4. Guide rod; 5. Connecting seat; 6. Screw rod; 7. Conical wheel 1; 8. Connecting frame; 9. Conical wheel 2; 10. Bending block; 11. Frame; 12. Base; 13. Bending plate; 14. Electric push rod; 15. Slide bar; 16. Slider; 17. Handle; 18. Press plate; 19. Groove; 20. Slide rod; 21. Sleeve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides an embodiment: a bending device for transformer insulating paperboard, comprising a slide groove bar 15, a connecting frame 8, a frame 11 and a base 12, the frame 11 is fixed to the upper end of the base 12, the connecting frame 8 is fixed to the upper end of the frame 11, the middle of the upper end of the connecting frame 8 is connected with a screw rod 6 through a bearing, the lower end of the connecting frame 8 is connected with a conical wheel 2 9 through a bearing, and the interior of the conical wheel 2 9 is matched with the tooth pattern of the screw rod 6, the side of the conical wheel 2 9 is meshed with a conical wheel 1 7, the side of the connecting frame 8 is connected with a support cover 2, and the inner wall of the support cover 2 is installed with a motor 1 through bolts, and the output end of the motor 1 is fixedly connected to the driving end of the conical wheel 7.

[0023] When in use, the motor 1 drives the conical wheel 1 7 to rotate, and then drives the conical wheel 2 9 to rotate, so that the screw rod 6 is lifted and lowered in the vertical direction;

[0024] The lower end of the screw rod 6 is connected to a bending block 10 via a bearing, and the upper end of the side of the bending block 10 is fixedly connected to the lower end of the guide rod 4 . The upper end of the base 12 is provided with a groove 19 corresponding to the bending block 10 .

[0025] When in use, the screw rod 6 drives the bending block 10 to rise and fall, and the groove 19 cooperates with the lower end of the bending block 10 to squeeze and position the cardboard where it needs to be bent, thereby avoiding displacement of the cardboard and facilitating bending;

[0026] The upper end of the screw rod 6 is connected to the connecting seat 5 through a bearing, and the side of the connecting seat 5 is fixedly connected to the upper end of the side of the guide rod 4.

[0027] When in use, the screw rod 6 drives the connecting seat 5 to rise and fall together, thereby driving the guide rod 4 to rise and fall;

[0028] A guide ring 3 is fixed to one end of the support cover 2 , and a guide rod 4 is slidably connected inside the guide ring 3 .

[0029] When in use, the support cover 2 limits the guide rod 4 through the guide ring 3, which can prevent the wire guide rod 4 from being displaced and facilitate the stable lifting of the wire rod 6;

[0030] The slide bar 15 is connected to the lower part of the top of the frame 11 , a slider 16 is slidably connected in the slide bar 15 , a pressing plate 18 is fixed to the lower end of the slider 16 , and a handle 17 is connected to the side of the slider 16 .

[0031] When in use, before placing the cardboard on the base 12, the handle 17 can be used to drive the slider 16 to slide upward in the slide bar 15, driving the pressing plate 18 to rise to make way for the cardboard. When the cardboard is placed, the handle 1 can be used to fix the position of the slider 16, so that the pressing plate 18 can press a part of the cardboard tightly.

[0032] An electric push rod 14 is fixed to the side of the lower end of the base 12 , and a sliding rod 20 is hinged at one end of the electric push rod 14 , and a sleeve 21 is slidably connected to the outside of the sliding rod 20 .

[0033] When in use, the electric push rod 14 is extended and retracted, driving the slide bar 20 to slide in the sleeve 21, and causing the slide bar 20 to change its angle;

[0034] The upper end of the sleeve 21 is hinged to the side of the base 12 , and a bending plate 13 is fixed to the upper end of the sleeve 21 .

[0035] When in use, the angle of the sleeve 21 changes, driving the angle of the bending plate 13 to change. After one part of the paperboard is pressed, the other part is pushed to complete the bending. After the bending block 10 rises, the bending plate 13 continues to push the paperboard. The bending plate 13 rotates at an angle of more than 90 degrees, effectively reducing the rebound of the paperboard.

[0036] When the embodiment of the present application is in use: first, before the cardboard is placed on the base 12, the handle 17 can be used to drive the slider 16 to slide upward in the slide slot 15, driving the pressure plate 18 to rise and make room for the cardboard. When the cardboard is placed, the handle 1 can be used to fix the position of the slider 16, so that the pressure plate 18 can press a part of the cardboard. Then, under the drive of the motor 1, the conical wheel 1 7 is driven to rotate, and then the conical wheel 2 9 is driven to rotate, so that the screw rod 6 is lifted and lowered in the vertical direction. The screw rod 6 drives the bending block 10 to lift and lower. The groove 19 cooperates with the lower end of the bending block 10 to squeeze and position the cardboard where it needs to be bent, which is convenient for bending. , and the screw rod 6 drives the connecting seat 5 to rise and fall together, and then drives the guide rod 4 to rise and fall. The support cover 2 limits the guide rod 4 through the guide ring 3, which can avoid the guide rod 4 from being displaced, which is conducive to the stable lifting of the screw rod 6. Subsequently, the electric push rod 14 is extended and retracted, driving the slide rod 20 to slide in the sleeve 21, and causing the angle of the slide rod 20 to change. The angle of the sleeve 21 changes, driving the angle of the bending plate 13 to change. After one part of the cardboard is pressed, the other part can be pushed to complete the bending. After the bendable block 10 rises, the bending plate 13 continues to push the cardboard, and the rotation angle of the bending plate 13 exceeds 90 degrees, which effectively reduces the rebound of the cardboard. In summary, the device saves manpower and has a good bending effect.

Claims

1. A bending device for transformer insulation paperboard, characterized in that: The invention comprises a slide groove bar (15), a connecting frame (8), a frame (11) and a base (12), wherein the frame (11) is fixed to the upper end of the base (12), the connecting frame (8) is fixed to the upper end of the frame (11), the middle of the upper end of the connecting frame (8) is connected to a screw rod (6) through a bearing, the lower end of the connecting frame (8) is connected to a conical wheel 2 (9) through a bearing, and the interior of the conical wheel 2 (9) is matched with the tooth pattern of the screw rod (6), the side of the conical wheel 2 (9) is meshed with a conical wheel 1 (7), the side of the connecting frame (8) is connected to a support cover (2), and the inner wall of the support cover (2) is installed with a motor (1) through bolts, and the output end of the motor (1) is fixedly connected to the driving end of the conical wheel 1 (7).

2. The transformer insulation paperboard bending device according to claim 1, characterized in that: A guide ring (3) is fixed to one end of the support cover (2), and a guide rod (4) is slidably connected inside the guide ring (3).

3. The bending device for transformer insulation paperboard according to claim 1, characterized in that: The lower end of the screw rod (6) is connected to a bending block (10) via a bearing, and the upper end of the side of the bending block (10) is fixedly connected to the lower end of the guide rod (4), and the upper end of the base (12) is provided with a groove (19) corresponding to the bending block (10).

4. The bending device for transformer insulation paperboard according to claim 3, characterized in that: The upper end of the screw rod (6) is connected to a connecting seat (5) via a bearing, and the side of the connecting seat (5) is fixedly connected to the upper end of the side of the guide rod (4).

5. The transformer insulation paperboard bending device according to claim 1, characterized in that: The slide bar (15) is connected to the lower part of the top of the frame (11), a slider (16) is slidably connected in the slide bar (15), a pressing plate (18) is fixed at the lower end of the slider (16), and a handle (17) is connected to the side of the slider (16).

6. The transformer insulation paperboard bending device according to claim 3, characterized in that: An electric push rod (14) is fixed to the side of the lower end of the base (12), and a sliding rod (20) is hinged at one end of the electric push rod (14).

7. The transformer insulation paperboard bending device according to claim 6, characterized in that: The outside of the sliding rod (20) is slidably connected to a sleeve (21), and the upper end of the sleeve (21) is hinged to the side of the base (12), and a bending plate (13) is fixed to the upper end of the sleeve (21).

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