Automobile generator claw pole surface shaping die

Abstract

The utility model discloses an automobile generator claw pole surface shaping die which comprises a lower die and an upper die, guide rods are symmetrically installed on the surfaces of the two sides of the lower die, a connecting plate is connected between the guide rods in a sliding mode, and the upper die is installed at the bottom of the connecting plate. By adopting the adjustable resistor, the outer electromagnet and the outer magnet, after claw pole shaping is completed, the intensity of current acting on the outer electromagnet can be changed by orderly controlling the change of the adjustable resistor, so that the intensity of generated magnetic force is changed; due to the fact that mutual exclusion of the outer electromagnet and the outer magnet can enable the outer ejector rod to integrally move upwards so as to eject out the claw pole, the overall ejection process can be slow by controlling changes of magnetic force, then traditional rigid direct ejection operation is avoided, collision damage to the claw pole can be reduced, the overall using effect is improved, and the service life of the claw pole is prolonged. The ejection mechanism has the advantage of slow ejection.

Description

Technical Field

[0001] The utility model relates to the technical field of generator claw machining, in particular to a claw pole surface shaping die for an automobile generator. Background Art

[0002] Generators are usually composed of stators, rotors, end covers and bearings. The stator consists of stator core, coil winding, frame and other structural parts that fix these parts. The rotor consists of rotor core (or pole, yoke) winding, guard ring, center ring, slip ring, fan, shaft and claw pole. Shaping molds are required for claw pole production and processing.

[0003] The publication number in the existing public technology is: CN212857416U. A shaping mold for producing claw poles of automobile generators includes a base, a support rod is fixed on the top of the base, a top plate is fixed on the top of the support rod, an electric telescopic rod 1 is installed on the top of the top plate by bolts, a lifting plate is arranged at the bottom of the top plate, an output end of the electric telescopic rod 1 is connected to an extension plate, and the extension plate is fixed to the top of the lifting plate by bolts, a clamping groove is opened on the top of the base, a bottom mold seat is clamped inside the clamping groove, a top mold core is fixed on the bottom of the lifting plate, a clamping plate is fixed on the top and bottom of the bottom mold seat and the top mold core, a mounting groove is opened inside the base, an electric telescopic rod 2 is installed on the bottom of the base by bolts, and a top outlet is opened inside the bottom mold seat. The utility model can eject the claw pole from the bottom mold core, which is convenient for the user to take the claw pole out of the bottom mold core, improves the convenience of taking out the claw pole, and improves the stability when the bottom mold core and the top mold core are combined.

[0004] Combining the above patents with the actual situation of shaping molds in production life, it is not difficult to find that: the ejector rod of the shaping mold generally adopts a cylindrical rod, and its diameter and length can be adjusted according to the shape and height of the workpiece. The ejector force is uncontrollable, and the claw pole is easily damaged due to the strong ejector force. In addition, due to the different heights of the claw pole bosses, the shaping mold needs to be frequently disassembled to adjust the ejector rod of the corresponding length. The mold is inconvenient to disassemble and wastes production time, which greatly reduces efficiency and increases costs. The overall use effect is not very ideal.

[0005] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the deficiencies in the prior art, the utility model provides a claw pole surface shaping mold for an automobile generator, which has the advantages of smooth ejection, wide ejection range, and flexible adjustment, thereby solving the problems in the above-mentioned background technology.

[0008] (II) Technical solution

[0009] In order to achieve the above advantages of ease of ejection, wide ejection range and flexible adjustment, the specific technical solutions adopted by the utility model are as follows:

[0010] A surface shaping mold for claw poles of automobile generators comprises a lower mold and an upper mold, wherein guide rods are symmetrically installed on the surfaces of both sides of the lower mold, a connecting plate is slidably connected between the guide rods, an upper mold is installed at the bottom of the connecting plate, shaping grooves are provided on the surfaces of the upper mold and the lower mold, an accommodating groove is provided in the middle of the bottom surface of the lower mold, limiting grooves are symmetrically provided on both sides of the accommodating groove, sliding rods are installed inside the limiting grooves, a moving disk is slidably connected between the sliding rods, an external magnet is embedded on the bottom surface of the moving disk, an external electromagnet is fixedly installed at the bottom of the accommodating groove below the external magnet, and an external ejector rod is fixedly installed at the middle of the top of the moving disk.

[0011] Furthermore, the inner position of the outer push rod is slidably connected to a limit plate, the top position of the limit plate is fixedly installed with an inner push rod, the bottom surface position of the limit plate is embedded with an inner magnet, and the inner bottom position of the outer push rod is fixedly installed with an inner electromagnet.

[0012] Furthermore, adjustable resistors are installed at one side of the interior of the accommodating groove and one side of the top of the movable disk.

[0013] Furthermore, a material ejection tray is fixedly installed at the top position of the inner ejector rod.

[0014] Furthermore, a metal plate is welded at the top of the guide rod, and a hydraulic rod is symmetrically installed at the bottom of the metal plate, and one end of the hydraulic rod is connected to the upper mold.

[0015] Furthermore, a controller is installed on one side surface of the lower mold.

[0016] Furthermore, the adjustable resistor is electrically connected to the outer electromagnet and the inner electromagnet respectively.

[0017] Furthermore, the size of the limiting plate is larger than the size of the slot at the top of the outer push rod.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the utility model provides a claw pole surface shaping mold for an automobile generator, which has the following beneficial effects:

[0020] (1) The utility model adopts an adjustable resistor, an external electromagnet, and an external magnet. After the claw pole is shaped, the current intensity acting on the external electromagnet can be changed by orderly controlling the change of the adjustable resistor, thereby changing the intensity of the generated magnetic force. Due to the mutual repulsion between the external electromagnet and the external magnet, the external ejector rod can be moved upward as a whole, thereby ejecting the claw pole. By controlling the change of the magnetic force, the overall ejection process can be smoother, thereby avoiding the traditional hard direct ejection operation, reducing the collision damage to the claw pole, improving the overall use effect, and having the advantage of smooth ejection.

[0021] (2) The utility model adopts an inner electromagnet and an inner magnet. When different claw poles are used, the inner ejector rod can be driven to expand through the mutual repulsion between the inner electromagnet and the inner magnet, thereby expanding the overall ejection range. There is no need for personnel to disassemble the mold to adjust the ejector rod, which effectively improves the flexibility of adjustment and the applicable range of the structure, facilitates better use, and has the advantages of a wide ejection range and flexible adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural schematic diagram of a claw pole surface shaping mold for an automobile generator proposed by the utility model;

[0024] Figure 2 It is a schematic diagram of the structure of the mobile disk of the utility model;

[0025] Figure 3 It is a connection schematic diagram of the outer push rod and the inner push rod of the utility model.

[0026] In the figure:

[0027] 1. Lower die; 2. Guide rod; 3. Limit plate; 4. Inner ejector rod; 5. Connecting plate; 6. Hydraulic rod; 7. Upper die; 8. Shaping groove; 9. Ejector plate; 10. Receiving groove; 11. Inner magnet; 12. Outer ejector rod; 13. Controller; 14. Adjustable resistor; 15. Moving plate; 16. Outer magnet; 17. Outer electromagnet; 18. Inner electromagnet; 19. Limit groove; 20. Sliding rod. DETAILED DESCRIPTION

[0028] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0029] According to an embodiment of the utility model, a claw pole surface shaping mold for an automobile generator is provided.

[0030] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-3 As shown, according to an embodiment of the utility model, a claw pole surface shaping mold for an automobile generator comprises a lower mold 1 and an upper mold 7, guide rods 2 are symmetrically installed on the surfaces of both sides of the lower mold 1, a connecting plate 5 is slidably connected between the guide rods 2, an upper mold 7 is installed at the bottom of the connecting plate 5, shaping grooves 8 are provided on the surfaces of the upper mold 7 and the lower mold 1, a receiving groove 10 is provided in the middle of the bottom surface of the lower mold 1, limiting grooves 19 are symmetrically provided on both sides of the receiving groove 10, sliding rods 20 are installed inside the limiting groove 19, a moving disk 15 is slidably connected between the sliding rods 20, an external magnet 16 is embedded in the bottom surface of the moving disk 15, an external electromagnet 17 is fixedly installed at the bottom end of the receiving groove 10 below the external magnet 16, and an external ejector rod 12 is fixedly installed at the middle of the top of the moving disk 15.

[0031] In one embodiment, the inner position of the outer push rod 12 is slidably connected to the limit plate 3, the inner push rod 4 is fixedly installed at the top position of the limit plate 3, the inner magnet 11 is embedded at the bottom surface position of the limit plate 3, and the inner electromagnet 18 is fixedly installed at the bottom end position of the outer push rod 12. The magnetic directions of the outer magnet 16 and the inner magnet 11 are respectively opposite to the magnetic directions of the outer electromagnet 17 and the inner electromagnet 18, thereby realizing the upward movement of multiple groups of push rods through the mutual repulsion of magnetic force, thereby realizing the ejection operation of the claw pole.

[0032] In one embodiment, an adjustable resistor 14 is installed at one side of the interior of the receiving slot 10 and at one side of the top of the moving plate 15 .

[0033] In one embodiment, a material ejection tray 9 is fixedly installed at the top of the inner ejector rod 4. The material ejection tray 9 is provided to eject the claw pole by contact, so as to facilitate the handling of personnel.

[0034] In one embodiment, a metal plate is welded at the top of the guide rod 2 , and a hydraulic rod 6 is symmetrically installed at the bottom of the metal plate, and one end of the hydraulic rod 6 is connected to the upper die 7 .

[0035] In one embodiment, a controller 13 is installed on one side surface of the lower mold 1. The controller 13 is a common control device, so it will not be described in detail.

[0036] In one embodiment, the adjustable resistor 14 is electrically connected to the outer electromagnet 17 and the inner electromagnet 18 respectively. The adjustable resistor 14 is a common device, which is used to control the intensity of the current by adjusting the resistance, and then control the magnitude of the magnetic force generated by the multiple groups of electromagnets by changing the intensity of the current, and then gently push out the claw pole by changing the magnetic force to avoid damage to the claw pole due to high intensity.

[0037] In one embodiment, the size of the limiting plate 3 is larger than the size of the slot at the top of the outer push rod 12. The size is set to prevent the limiting plate 3 from escaping from the inside of the outer push rod 12 to ensure stability in use.

[0038] Working principle: In actual use, personnel can put the claw pole of the automobile generator that needs to be shaped into the shaping groove 8 in the lower mold 1, and then push the upper mold 7 downward along the guide rod 2 through the push of the hydraulic rod 6, so that the upper mold 7 can be squeezed and fitted with the lower mold 1, thereby realizing the shaping operation of the claw pole. After the shaping is completed, the claw pole can be exposed by resetting the upper mold 7, and then the current intensity acting on the external electromagnet 17 can be changed by orderly controlling the change of the adjustable resistor 14, thereby changing the intensity of the generated magnetic force. Due to the mutual repulsion between the external electromagnet 17 and the external magnet 16, So that the outer ejector rod 12 moves upward as a whole, and then the claw pole is ejected. By controlling the change of the magnetic force, the overall ejection process can be made smoother, thereby avoiding the traditional hard direct ejection operation, reducing the collision damage to the claw pole, and improving the overall use effect. When different claw poles are used, the inner ejector rod 4 can be driven to expand through the mutual repulsion between the inner electromagnet 18 and the inner magnet 11, thereby expanding the overall ejection range. There is no need for personnel to disassemble the mold to adjust the ejector rod, which effectively improves the flexibility of adjustment and the applicable range of the structure, and is convenient for better use. The device as a whole has the advantages of smooth ejection, wide ejection range, and flexible adjustment.

[0039] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A claw pole surface shaping mold for an automobile generator, comprising a lower mold (1) and an upper mold (7), characterized in that: Guide rods (2) are symmetrically mounted on the surfaces of both sides of the lower die (1), a connecting plate (5) is slidably connected between the guide rods (2), an upper die (7) is mounted at the bottom of the connecting plate (5), shaping grooves (8) are provided on the surfaces of the upper die (7) and the lower die (1), a receiving groove (10) is provided at the middle of the bottom surface of the lower die (1), limiting grooves (19) are symmetrically provided on both sides of the inside of the containing groove (10), a sliding rod (20) is mounted inside the limiting groove (19), a moving disk (15) is slidably connected between the sliding rods (20), an external magnet (16) is embedded at the bottom surface of the moving disk (15), an external electromagnet (17) is fixedly mounted below the external magnet (16) at the bottom of the containing groove (10), and an external ejector rod (12) is fixedly mounted at the middle of the top of the moving disk (15).

2. The automotive generator claw pole surface shaping mold according to claim 1, characterized in that: The inner position of the outer push rod (12) is slidably connected to the limit plate (3), the top position of the limit plate (3) is fixedly mounted with an inner push rod (4), the bottom surface position of the limit plate (3) is embedded with an inner magnet (11), and the inner bottom position of the outer push rod (12) is fixedly mounted with an inner electromagnet (18).

3. The automotive generator claw pole surface shaping mold according to claim 1, characterized in that: An adjustable resistor (14) is installed at one side of the interior of the containing groove (10) and at one side of the top of the moving plate (15).

4. The automotive generator claw pole surface shaping mold according to claim 2, characterized in that: A material ejection tray (9) is fixedly mounted on the top of the inner ejector rod (4).

5. The automotive generator claw pole surface shaping mold according to claim 1, characterized in that: A metal plate is welded to the top of the guide rod (2), and a hydraulic rod (6) is symmetrically installed at the bottom of the metal plate, and one end of the hydraulic rod (6) is connected to the upper die (7).

6. The automotive generator claw pole surface shaping mold according to claim 1, characterized in that: A controller (13) is installed on one side surface of the lower mold (1).

7. The automotive generator claw pole surface shaping mold according to claim 3, characterized in that: The adjustable resistor (14) is electrically connected to the outer electromagnet (17) and the inner electromagnet (18) respectively.

8. The automotive generator claw pole surface shaping mold according to claim 2, characterized in that: The size of the limiting plate (3) is larger than the size of the top slot of the outer push rod (12).

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