Cutting positioning device for production and processing of transformer shell

Abstract

The utility model discloses a cutting positioning device used for production and processing of a transformer shell, and particularly relates to the technical field of production and processing of the transformer shell, the cutting positioning device comprises a workbench and a supporting plate fixedly arranged on the upper end face of the workbench, and the supporting plate is provided with a side pressing positioning assembly and an extrusion positioning assembly. Through the arrangement of the side pressure positioning assembly, the clamping angle of the transformer shell can be adjusted according to the unevenness of the outer wall surface of the transformer shell, so that the transformer shell is prevented from being damaged by clamping due to uneven stress caused by the unevenness of the outer wall surface of the transformer shell, and the transformer shell clamping device can be suitable for transformer shells with different sizes; the application range of the device to the transformer shell is widened; and through the arrangement of the extrusion positioning assembly, extrusion force can be provided for the transformer shell in the direction of the supporting plate, so that the situation that the cutting surface of the transformer shell is not accurate enough due to inclination caused by large stress when the transformer shell is cut can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer shell production and processing, and more specifically, to a cutting and positioning device used for transformer shell production and processing. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, the secondary coil and the iron core. Its main functions include voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization, etc. It can be divided into power transformers and special transformers according to their uses, including furnace transformers, rectifier transformers, industrial frequency test transformers, voltage regulators, mining transformers, audio transformers, medium frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors and mutual inductors. In the production and processing of the transformer casing, the production plate needs to be cut into corresponding sizes, and a cutting positioning device is needed to cut the required size during the cutting process.

[0003] At present, the cutting and positioning device for the existing transformer shell production and processing usually clamps and positions the transformer shell through a clamping piece. Although this is simple and easy to operate, if the outer wall surface of the transformer shell is uneven, the clamping piece is only clamped at the protrusion of the transformer shell, which will easily cause the local force of the transformer shell to be greater, and it is easy to be clamped and damaged. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a cutting and positioning device for transformer housing production and processing to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting and positioning device for transformer housing production and processing, comprising a workbench and a support plate fixedly arranged on the end surface of the workbench, wherein the support plate is provided with a side pressure positioning component and an extrusion positioning component, wherein the side pressure positioning component is used for side clamping and positioning of the transformer housing, and the extrusion positioning component is used for extrusion positioning of the upper end surface of the transformer housing;

[0006] The support plate is provided with a cutting assembly, which is used to cut the transformer housing positioned by the side pressure positioning assembly and the extrusion positioning assembly, and the cutting assembly moves on the support plate through a driving assembly;

[0007] In a preferred embodiment, the side pressure positioning assembly includes a support frame, and two half gears are connected to the support frame for rotation in sequence, and the two half gears are meshed with each other. A C-shaped plate is fixedly provided on the support frame, and a drive motor is fixedly provided on the C-shaped plate. The output end of the drive motor is connected to a half gear, and a connecting arm is fixedly provided on each of the half gears.

[0008] In a preferred embodiment, a connecting plate is provided on the connecting arm, and movable slots are provided on opposite side walls of the two connecting plates, and a movable block is movably provided in the movable slot, and a clamping plate is fixedly provided on the movable block.

[0009] In a preferred embodiment, the extrusion positioning assembly includes a support rod fixedly arranged on a support plate and a fixed plate fixedly arranged on the support rod, a hydraulic expander is fixedly arranged on the fixed plate, and an extrusion plate is fixedly arranged on the output end of the hydraulic expander through the fixed plate.

[0010] In a preferred embodiment, the cutting assembly includes a cutting wheel arranged in a support plate, the cutting wheel has two connecting blocks rotatably arranged on it, a servo motor is fixedly arranged on one of the connecting blocks, and the output of the servo motor passes through the connecting block to connect with the cutting wheel.

[0011] In a preferred embodiment, two sliding grooves are sequentially provided in the support plate, and the two connecting blocks slide in the two sliding grooves respectively.

[0012] In a preferred embodiment, the driving assembly includes a cylinder fixedly arranged on a support plate, and the output of the cylinder is connected to a connecting block.

[0013] Technical effects and advantages of the utility model:

[0014] By setting the side pressure positioning component, not only can the clamping angle of the transformer casing be adjusted according to the unevenness of the outer wall of the transformer casing, so as to avoid the transformer casing being damaged by uneven force due to the uneven outer wall, but it can also be suitable for transformer casings of different sizes, thereby increasing the range of transformer casings applicable to the device; by setting the extrusion positioning component, an extrusion force can be provided to the transformer casing in the direction of the support plate, so as to avoid the transformer casing being tilted due to the large force when being cut, which will affect the cutting surface of the transformer casing to be inaccurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a stereoscopic diagram of the side pressure positioning assembly of the utility model.

[0017] Figure 3 It is the explosion head of the connecting plate and the clamping plate of the utility model.

[0018] Figure 4 It is a stereoscopic diagram of the extrusion positioning component of the utility model.

[0019] Figure 5 It is a partial cross-sectional view of the workbench and the support plate of the utility model.

[0020] The accompanying drawings are marked as follows: 1. workbench; 2. support plate; 3. support frame; 4. half gear; 5. U-shaped plate; 6. drive motor; 7. connecting arm; 8. connecting plate; 9. movable notch; 10. movable block; 11. clamping plate; 12. support rod; 13. fixed plate; 14. hydraulic telescope; 15. extrusion plate; 16. cutting wheel; 17. connecting block; 18. servo motor; 19. slide; 20. cylinder. 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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] As attached Figure 1-5 As shown, the utility model provides a cutting and positioning device for transformer housing production and processing, comprising a workbench 1 and a support plate 2 fixedly arranged on the upper end surface of the workbench 1, wherein the support plate 2 is provided with a side pressure positioning component and an extrusion positioning component, wherein the side pressure positioning component is used for side clamping and positioning of the transformer housing, and the extrusion positioning component is used for extrusion positioning of the upper end surface of the transformer housing;

[0023] The support plate 2 is provided with a cutting assembly, which is used to cut the transformer housing positioned by the side pressure positioning assembly and the extrusion positioning assembly. The cutting assembly moves on the support plate 2 through a driving assembly.

[0024] The side pressure positioning assembly includes a support frame 3, on which two half gears 4 are rotatably connected in sequence, and the two half gears 4 are meshed with each other. A U-shaped plate 5 is fixedly provided on the support frame 3, and a driving motor 6 is fixedly provided on the U-shaped plate 5. The output end of the driving motor 6 is connected to a half gear 4, and a connecting arm 7 is fixedly provided on each of the half gears 4.

[0025] The two connecting arms 7 are both rotatably connected to the C-shaped plate 5, so that both the upper and lower sides of the half gear 4 can be subjected to force, thereby making the half gear 4 more stable when in use.

[0026] The connecting arm 7 is provided with a connecting plate 8 , and a movable notch 9 is formed on the wall surface of one side opposite to the two connecting plates 8 . A movable block 10 is movably arranged in the movable notch 9 , and a clamping plate 11 is fixedly arranged on the movable block 10 .

[0027] The movable notch 9 is an arc groove, the movable block 10 is a four-fifths circular block, and the movable block 10 is matched with the movable notch 9 in size.

[0028] The extrusion positioning assembly includes a support rod 12 fixedly arranged on the support plate 2 and a fixed plate 13 fixedly arranged on the support rod 12 , a hydraulic retractor 14 is fixedly arranged on the fixed plate 13 , and an extrusion plate 15 is fixedly arranged on the output end of the hydraulic retractor 14 through the fixed plate 13 .

[0029] A guide rod is fixedly provided on the extrusion plate 15 , and one end of the guide rod away from the extrusion plate 15 passes through the fixing plate 13 and is fixedly provided with a limiting block.

[0030] The specific implementation method is as follows: first, the transformer casing is passed through the support frame 3, and the drive motor 6 is started after the transformer casing is moved to a suitable position. The start of the drive motor 6 drives the half gear 4 connected to it to rotate, and the half gear 4 drives the other half gear 4 meshing with it to rotate. The two half gears 4 will drive the connecting plate 8 to move toward the transformer casing through the connecting arm 7 until the clamping plate 11 on the connecting plate 8 clamps the transformer casing. If there are uneven areas on the outer wall of the transformer casing, the clamping plate 11 will rotate in the movable groove 9 through the movable block 10 to adjust the clamping angle of the clamping plate 11 clamping the transformer casing until the transformer casing is clamped. Then start the hydraulic expander 14. The start of the hydraulic expander 14 drives the extrusion plate 15 to move toward the transformer casing until the extrusion plate 15 firmly squeezes the transformer casing on the support plate 2, and then start the cutting assembly to cut the transformer casing. By setting the side pressure positioning component, not only can the clamping angle of the transformer casing be adjusted according to the unevenness of the outer wall of the transformer casing, so as to avoid the transformer casing being damaged by uneven force due to the uneven outer wall of the transformer casing, but it can also be suitable for transformer casings of different sizes, thereby increasing the range of transformer casings applicable to the device; by setting the extrusion positioning component, an extrusion force can be provided to the transformer casing in the direction of the support plate 2, so as to avoid the transformer casing being tilted due to the large force when being cut, which will affect the inaccuracy of the cutting surface of the transformer casing.

[0031] The cutting assembly includes a cutting wheel 16 disposed in the support plate 2 , on which two connecting blocks 17 are rotatably disposed, and a servo motor 18 is fixedly disposed on one of the connecting blocks 17 , and the output of the servo motor 18 passes through the connecting block 17 and docks with the cutting wheel 16 .

[0032] Two slide grooves 19 are sequentially formed in the support plate 2 , and the two connecting blocks 17 slide in the two slide grooves 19 respectively.

[0033] The driving assembly includes a cylinder 20 fixedly disposed on the support plate 2 , and the output of the cylinder 20 is connected to a connecting block 17 .

[0034] The specific implementation method is as follows: when the transformer shell needs to be cut, the servo motor 18 is started, the servo motor 18 drives the cutting wheel 16 to rotate at high speed, and then the cylinder 20 is started, the cylinder 20 will push the connecting block 17 to move along the slide groove 19 toward the transformer shell, and when the high-speed rotating cutting wheel 16 contacts the transformer shell, the cutting wheel 16 will cut the transformer shell until the cutting part of the transformer shell is cut. Through the cooperation of the cutting component and the driving component, the device can be applied to transformer shells with different cross-sectional sizes, thereby improving the application range of the device to the transformer shell.

[0035] Working principle of this utility model:

[0036] First, the transformer casing is passed through the support frame 3. After the transformer casing is moved to a suitable position, the drive motor 6 is started. The start of the drive motor 6 drives the half gear 4 connected to it to rotate, and the half gear 4 drives the other half gear 4 meshing with it to rotate. The two half gears 4 will drive the connecting plate 8 to move toward the transformer casing through the connecting arm 7 until the clamping plate 11 on the connecting plate 8 clamps the transformer casing. If there are uneven places on the outer wall of the transformer casing, the clamping plate 11 will rotate in the movable notch 9 through the movable block 10 to adjust the clamping angle of the clamping plate 11 clamping the transformer casing until it is The transformer casing can be clamped, and then the hydraulic expander 14 is started. The start of the hydraulic expander 14 drives the extrusion plate 15 to move toward the transformer casing until the extrusion plate 15 firmly squeezes the transformer casing on the support plate 2, and then the servo motor 18 is started. The servo motor 18 drives the cutting wheel 16 to rotate at high speed, and then the cylinder 20 is started. The cylinder 20 will push the connecting block 17 along the slide groove 19 to move toward the transformer casing. When the high-speed rotating cutting wheel 16 contacts the transformer casing, the cutting wheel 16 will cut the transformer casing until the cutting part of the transformer casing is cut.

[0037] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0038] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0039] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A cutting and positioning device for transformer housing production and processing, comprising a workbench (1) and a support plate (2) fixedly arranged on the upper end surface of the workbench (1), characterized in that: The support plate (2) is provided with a side pressure positioning component and an extrusion positioning component, wherein the side pressure positioning component is used for clamping and positioning the side of the transformer housing, and the extrusion positioning component is used for extrusion positioning of the upper end surface of the transformer housing; The support plate (2) is provided with a cutting assembly, which is used to cut the transformer casing positioned by the side pressure positioning assembly and the extrusion positioning assembly, and the cutting assembly is movable on the support plate (2) via a driving assembly.

2. A cutting and positioning device for transformer housing production and processing according to claim 1, characterized in that: The side pressure positioning assembly comprises a support frame (3), two half gears (4) are rotatably connected to the support frame (3), the two half gears (4) are meshed with each other, a U-shaped plate (5) is fixedly arranged on the support frame (3), a driving motor (6) is fixedly arranged on the U-shaped plate (5), an output end of the driving motor (6) is connected to a half gear (4), and a connecting arm (7) is fixedly arranged on each of the half gears (4).

3. The cutting and positioning device for transformer housing production and processing according to claim 2 is characterized in that: The connecting arm (7) is provided with a connecting plate (8), and a movable notch (9) is provided on the wall surface of one side opposite to the two connecting plates (8). A movable block (10) is movably provided in the movable notch (9), and a clamping plate (11) is fixedly provided on the movable block (10).

4. The cutting and positioning device for transformer housing production and processing according to claim 1 is characterized in that: The extrusion positioning assembly comprises a support rod (12) fixedly arranged on a support plate (2) and a fixing plate (13) fixedly arranged on the support rod (12); a hydraulic retractor (14) is fixedly arranged on the fixing plate (13); an extrusion plate (15) is fixedly arranged on the output end of the hydraulic retractor (14) through the fixing plate (13).

5. The cutting and positioning device for transformer housing production and processing according to claim 1 is characterized in that: The cutting assembly comprises a cutting wheel (16) arranged in a supporting plate (2), two connecting blocks (17) being rotatably arranged on the cutting wheel (16), a servo motor (18) being fixedly arranged on one of the connecting blocks (17), and the output of the servo motor (18) passing through the connecting block (17) and docking with the cutting wheel (16).

6. The cutting and positioning device for transformer housing production and processing according to claim 5, characterized in that: Two slide grooves (19) are sequentially provided in the support plate (2), and the two connection blocks (17) slide in the two slide grooves (19) respectively.

7. The cutting and positioning device for transformer housing production and processing according to claim 5, characterized in that: The driving assembly comprises a cylinder (20) fixedly arranged on a support plate (2), and the output of the cylinder (20) is connected to a connecting block (17).

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