Forming die for secondary framework of ignition coil

Abstract

The utility model discloses a secondary skeleton forming die of an ignition coil, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a lower die, the upper end of the bottom plate is fixedly connected with a plurality of uniformly distributed support rods, the tops of the support rods are fixedly connected with a support plate, the top of the support plate is fixedly connected with a hydraulic cylinder, and the hydraulic cylinder is fixedly connected with the lower die. The output end of the hydraulic cylinder is in sliding connection with the supporting plate. According to the utility model, by designing the action of the hydraulic cylinder, the output end of the hydraulic cylinder can drive the connecting plate and the upper die to press downwards to realize the die assembly work of the die, in the moving process of the connecting plate, through the sliding connection of the guide rod and the guide sleeve, the movement of the upper die can be guided, the die assembly precision can be improved, and the forming effect can be improved; lubricating oil can be extruded and discharged by extruding the sponge cushion through the pressing block, the guide rod and the guide sleeve can be automatically lubricated, the guide friction force is reduced, and the guide precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of forming die, concretely is a secondary framework forming die of ignition coil. BACKGROUND

[0002] Ignition coil is the key component in the ignition system of automobile engine, its function is to convert the low voltage provided by automobile power supply into high voltage, provides enough ignition energy for spark plug, to ignite the combustible mixture in the combustion chamber of engine, makes the engine normal operation, and the ignition coil needs to be installed and fixed based on the framework during installation and use. In the production and processing process of the secondary framework of the ignition coil, the forming work of the secondary framework needs to be realized through the die.

[0003] At present, the secondary framework forming die of the ignition coil needs to be guided based on the guide assembly during die working, and the friction of the guide assembly can reduce the guiding accuracy, so it is necessary to lubricate it, but the manual lubrication mode is usually used, which is not convenient to use, and the formed product can be adhered in the die, which is not convenient to demold and take out. Therefore, improvement is needed. UTILITY MODEL CONTENT

[0004] The utility model discloses a secondary framework forming die of ignition coil, solve the problem of inconvenient lubrication of the die guide assembly, also solve the problem of inconvenient demolding and taking out of the formed product.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a secondary framework forming die of ignition coil, including the bottom plate, the top of bottom plate is fixedly connected with lower mould, the upper end of bottom plate is fixedly connected with a plurality of even distribution's support rod, the top of support rod is fixedly connected with support plate, the top of support plate is fixedly connected with hydraulic cylinder, the output end of hydraulic cylinder is slidably connected with support plate, the lower end of hydraulic cylinder output end is fixedly connected with connecting plate, the bottom of connecting plate is fixedly installed with upper mould, the lower mould is provided with demolding mechanism, the connecting plate is provided with guide mechanism.

[0006] Preferably, the demolding mechanism includes a top plate, the inside of the lower mould is slidably connected with a top plate, the lower end of the top plate is fixedly connected with an inclined block, the outer side of the inclined block is fixedly connected with a sliding block, the sliding block is slidably connected with the lower mould, the inside of the lower mould is provided with a spring, the outer side of the inclined block is in contact with a top block, the bottom of the top block is fixedly connected with a connecting block, the top block and the connecting block are slidably connected with the lower mould, the inside of the connecting block is threadedly connected with a forward and reverse screw rod, and the forward and reverse screw rod is rotatably connected with the lower mould through a bearing. Through the design of the demolding mechanism, the demolding and taking out of the formed product are facilitated.

[0007] Preferably, one end of the spring is fixedly connected with the sliding block, and the other end of the spring is fixedly connected with the lower mold.

[0008] Preferably, handles are fixedly connected with the left and right ends of the reversible screw rod, and the handles are rotationally connected with the lower mold.

[0009] Preferably, the guide mechanism comprises a guide rod, the top of the connecting plate is fixedly connected with the guide rod, the outer side of the guide rod is slidably sleeved with a guide sleeve, the guide sleeve is fixedly connected with the supporting plate, the top of the guide rod is fixedly connected with a limiting block, the outer side of the guide rod is fixedly sleeved with a pressing block, the pressing block is slidably connected with the guide sleeve, the outer side of the guide rod is slidably sleeved with a sponge pad, the sponge pad is fixedly connected with the guide sleeve, the outer side of the guide rod is slidably sleeved with a fixing block, the fixing block is fixedly connected with the guide sleeve, and the fixing block is in contact with the sponge pad. Through the design of the guide mechanism, the movement of the mold can be guided.

[0010] Preferably, the inner part of the guide sleeve is clamped with a plug, and the plug is in contact with the sponge pad. Through the design of the plug, the guide sleeve can be blocked.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、Through the action of the hydraulic cylinder, the output end of the hydraulic cylinder can drive the connecting plate and the upper mold to press down to realize the mold closing work, in the movement process of the connecting plate, through the sliding connection of the guide rod and the guide sleeve, the movement of the upper mold can be guided, the mold closing precision is improved, the forming effect is improved, in the movement process of the guide rod, the extrusion of the sponge pad can be realized through the extrusion of the pressing block, the automatic lubrication of the guide rod and the guide sleeve is realized, the guide friction is reduced, and the guide precision is improved.

[0013] 2、Through the threaded connection of the reversible screw rod and the connecting block, when the shaft handle drives the reversible screw rod to rotate, the threaded movement of the connecting block can be realized, the movement of the connecting block can drive the top block to move, the top block can extrude the inclined block, the movement of the inclined block in the vertical direction can be realized, after the injection molding workpiece is formed, the top plate can be pushed up to realize the rapid demolding work of the formed workpiece, and the formed product is convenient to take out. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure perspective view of the utility model;

[0015] Figure 2 It is the local structure perspective sectional view of the utility model Figure 1 ;

[0016] Figure 3For the utility model Figure 2 A place of the utility model is enlarged view;

[0017] Figure 4 For the utility model Figure 2 Guide sleeve front view sectional view.

[0018] In the figure: 1, bottom plate;2, lower mould;3, support rod;4, support plate;5, hydraulic cylinder;6, connecting plate;7, upper mould;8, demoulding mechanism;9, guide mechanism;81, top plate;82, inclined block;83, sliding block;84, spring;85, top block;86, connecting block;87, positive and negative screw;88, handle;91, guide rod;92, guide sleeve;93, limit block;94, pressing block;95, sponge pad;96, fixed block;97, plug. Specific implementation

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0020] Please refer to Figure 1 、 Figure 2 A secondary framework forming die of ignition coil, including bottom plate 1, the top of bottom plate 1 is fixedly connected with lower mould 2, the upper end of bottom plate 1 is fixedly connected with multiple support rods 3 that are evenly distributed, the top of support rod 3 is fixedly connected with support plate 4, the top of support plate 4 is fixedly connected with hydraulic cylinder 5, the output end of hydraulic cylinder 5 is slidably connected with support plate 4, the lower end of the output end of hydraulic cylinder 5 is fixedly connected with connecting plate 6, the bottom of connecting plate 6 is fixedly installed with upper mould 7, lower mould 2 is provided with demoulding mechanism 8, connecting plate 6 is provided with guide mechanism 9.

[0021] Please refer to Figure 1 、 Figure 2 、 Figure 3, the demolding mechanism 8 comprises a top plate 81, the inside of the lower mold 2 is slidably connected with the top plate 81, the lower end of the top plate 81 is fixedly connected with an inclined block 82, the outer side of the inclined block 82 is fixedly connected with a sliding block 83, the sliding block 83 is slidably connected with the lower mold 2, the inside of the lower mold 2 is provided with a spring 84, one end of the spring 84 is fixedly connected with the sliding block 83, the other end of the spring 84 is fixedly connected with the lower mold 2, the spring 84 is designed to enable the force of the spring 84 to act on the sliding block 83, the outer side of the inclined block 82 is in contact with a top block 85, the bottom of the top block 85 is fixedly connected with a connecting block 86, the top block 85 and the connecting block 86 are slidably connected with the lower mold 2, the inside of the connecting block 86 is threadedly connected with a forward and reverse screw 87, the forward and reverse screw 87 is rotatably connected with the lower mold 2 through a bearing, the left and right ends of the forward and reverse screw 87 are fixedly connected with handles 88, the handles 88 are rotatably connected with the lower mold 2, the handles 88 can drive the forward and reverse screw 87 to rotate through the design of the handles 88, and the demolding mechanism 8 is designed to facilitate the demolding and taking out of the formed product.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 4 , the guide mechanism 9 comprises a guide rod 91, the top of the connecting plate 6 is fixedly connected with the guide rod 91, the outer side of the guide rod 91 is slidably sleeved with a guide sleeve 92, the guide sleeve 92 is fixedly connected with the supporting plate 4, the top of the guide rod 91 is fixedly connected with a limiting block 93, the outer side of the guide rod 91 is fixedly sleeved with a pressing block 94, the pressing block 94 is slidably connected with the guide sleeve 92, the outer side of the guide rod 91 is slidably sleeved with a sponge pad 95, the sponge pad 95 is fixedly connected with the guide sleeve 92, the outer side of the guide rod 91 is slidably sleeved with a fixed block 96, the fixed block 96 is fixedly connected with the guide sleeve 92, the fixed block 96 is in contact with the sponge pad 95, the inside of the guide sleeve 92 is clamped with a plug 97, the plug 97 is in contact with the sponge pad 95, the guide sleeve 92 can be blocked through the design of the plug 97, and the movement of the mold can be guided through the design of the guide mechanism 9.

[0023] The specific implementation process of the utility model is as follows: in use, first, start the hydraulic cylinder 5, the output end of the hydraulic cylinder 5 drives the connecting plate 6 to move downwards, the connecting plate 6 drives the upper mold 7 to move downwards, and at the same time, the connecting plate 6 drives the guide rod 91 to slide along the guide sleeve 92, so that the movement of the upper mold 7 can be guided, the mold closing precision is improved, and the molding effect is improved, the guide rod 91 drives the pressing block 94 to slide downwards, the pressing block 94 is in contact with the sponge pad 95 and then extrudes the sponge pad 95, the internal lubricating oil of the sponge pad 95 can be extruded and discharged, the lubricating oil can flow along the guide rod 91 and the guide sleeve 92, the guide rod 91 and the guide sleeve 92 can be automatically lubricated, the guide friction is reduced, and the guide precision is improved. After the plug 97 is pulled out, the internal lubricating oil of the sponge pad 95 can be conveniently supplemented, and the addition is convenient.

[0024] When the upper die 7 contacts the lower die 2, the mold closing is completed, and the injection molding work can be performed through the upper die 7 after the mold closing is completed. After the product is injection molded, the upper die 7 is first lifted to reset and open the mold, then the handle 88 is rotated, the handle 88 drives the forward and reverse screw rod 87 to rotate, the connecting block 86 is screwed, the two connecting blocks 86 move in opposite directions, the connecting block 86 drives the top block 85 to move horizontally, the top block 85 slides along the inclined surface of the inclined block 82 and extrudes and pushes the inclined block 82 to move, the inclined block 82 drives the sliding block 83 to move upwards and extrudes the spring 84, at the same time, the inclined block 82 drives the top plate 81 to move upwards, and the rapid demolding work of the molded workpiece can be realized, and the molded product is convenient to take out.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A forming mold for a secondary bobbin of an ignition coil, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected with a lower mold (2), the upper end of the bottom plate (1) is fixedly connected with a plurality of support rods (3) which are uniformly distributed, the top of the support rod (3) is fixedly connected with a support plate (4), the top of the support plate (4) is fixedly connected with a hydraulic cylinder (5), the output end of the hydraulic cylinder (5) is slidably connected with the support plate (4), the lower end of the output end of the hydraulic cylinder (5) is fixedly connected with a connecting plate (6), the bottom of the connecting plate (6) is fixedly installed with an upper mold (7), the lower mold (2) is provided with an ejection mechanism (8), and the connecting plate (6) is provided with a guide mechanism (9).

2. The forming mold for a secondary bobbin of an ignition coil according to claim 1, characterized in that: The ejection mechanism (8) comprises a top plate (81), the inside of the lower mold (2) is slidably connected with the top plate (81), the lower end of the top plate (81) is fixedly connected with an inclined block (82), the outer side of the inclined block (82) is fixedly connected with a sliding block (83), the sliding block (83) is slidably connected with the lower mold (2), the inside of the lower mold (2) is provided with a spring (84), the outer side of the inclined block (82) is in contact with a top block (85), the bottom of the top block (85) is fixedly connected with a connecting block (86), the top block (85) and the connecting block (86) are both slidably connected with the lower mold (2), the inside of the connecting block (86) is threadedly connected with a reversible screw rod (87), and the reversible screw rod (87) is rotatably connected with the lower mold (2) through a bearing.

3. The secondary bobbin molding die for an ignition coil according to claim 2, characterized by: One end of the spring (84) is fixedly connected with the sliding block (83), and the other end of the spring (84) is fixedly connected with the lower mold (2).

4. The secondary bobbin molding die for an ignition coil according to claim 2, characterized by: The left and right ends of the reversible screw rod (87) are both fixedly connected with handles (88), and the handles (88) are rotatably connected with the lower mold (2).

5. The forming mold for a secondary bobbin of an ignition coil according to claim 1, characterized in that: The guide mechanism (9) comprises a guide rod (91), the top of the connecting plate (6) is fixedly connected with the guide rod (91), the outer side of the guide rod (91) is slidably sleeved with a guide sleeve (92), the guide sleeve (92) is fixedly connected with the support plate (4), the top of the guide rod (91) is fixedly connected with a limiting block (93), the outer side of the guide rod (91) is fixedly sleeved with a pressing block (94), the pressing block (94) is slidably connected with the guide sleeve (92), the outer side of the guide rod (91) is slidably sleeved with a sponge pad (95), the sponge pad (95) is fixedly connected with the guide sleeve (92), the outer side of the guide rod (91) is slidably sleeved with a fixed block (96), the fixed block (96) is fixedly connected with the guide sleeve (92), and the fixed block (96) is in contact with the sponge pad (95).

6. The secondary bobbin molding die for an ignition coil according to claim 5, characterized by: The inside of the guide sleeve (92) is clamped with a plug (97), and the plug (97) is in contact with the sponge pad (95).

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