CN112428506A

CN112428506A - Bolt forming die

Info

Publication number: CN112428506A
Application number: CN202011196417.1A
Authority: CN
Inventors: 旷军平
Original assignee: Jiangxi Mingde Electric Appliance Co ltd
Current assignee: Jiangxi Mingde Electric Appliance Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-03-02

Abstract

The invention discloses a bolt forming die which comprises a base, wherein four guide rods are respectively welded and connected to the periphery of the top end of the base, a connecting plate is welded and connected to the top ends of the four guide rods, a lower die is installed at the upper end of the base, an upper die is movably connected to the top end of the lower die, a first hydraulic telescopic rod is fixedly connected to the bottom end of the connecting plate, an installing plate is fixedly connected to the bottom end of the first hydraulic telescopic rod, the installing plate is fixedly connected to the top end of the upper die, and a forming cavity is formed between the upper die and the lower die. According to the invention, the supporting plate and the lower die can be driven to shake through the vibrator, when the supporting plate shakes, the telescopic outer rod can assist the supporting plate to shake at a high frequency through the first return spring, so that the lower die and the upper die are stressed to shake, when molding raw materials are poured into the molding cavity, bubbles in the molding cavity raw materials can be shaken and discharged, air bubbles are prevented from occurring after the bolts are molded, and the quality of molded products is improved.

Description

Bolt forming die

Technical Field

The invention relates to the technical field of bolt forming die equipment, in particular to a bolt forming die.

Background

The bolt and the screw are the most basic mechanical parts, are widely applied to various industries such as automobiles, industrial machinery, construction and the like, and different from welding and riveting, the bolt has the biggest characteristic that the bolt can be simply detached even after being fastened and can be reused by being fastened again.

When the existing bolt forming mold is used for injection molding of a bolt head, if the raw material in an injection molding cavity contains bubbles, the bubbles are easily doped in the formed part, the quality of the bolt is reduced, and the existing bolt forming mold does not have the function of removing the bubbles.

Disclosure of Invention

The invention aims to solve the defects that when the bolt head is injection molded by using the existing bolt molding mold, if the raw material in an injection molding cavity contains bubbles, the bubbles are easily doped in the molded part, the quality of the bolt is reduced, and the function of removing the bubbles is not realized.

In order to achieve the purpose, the invention adopts the following technical scheme:

a bolt forming die comprises a base, wherein four guide rods are respectively welded and connected to the periphery of the top end of the base, a connecting plate is welded and connected to the top ends of the four guide rods, a lower die is installed at the upper end of the base, an upper die is movably connected to the top end of the lower die, a first hydraulic telescopic rod is fixedly connected to the bottom end of the connecting plate, a mounting plate is fixedly connected to the bottom end of the first hydraulic telescopic rod, the mounting plate is fixedly connected to the top end of the upper die, a forming cavity is formed between the upper die and the lower die, a shaking mechanism is installed between the lower die and the base, the shaking mechanism comprises four telescopic outer rods, the telescopic outer rods are fixedly connected to the top end of the base, a first reset spring is fixedly connected to the bottom end of the inner wall of each telescopic outer rod, and an inner rod is fixedly connected to the top end of the, and the top fixedly connected with layer board of flexible interior pole, be fixed connection between the bottom of layer board and base, and the bottom fixedly connected with vibrator of layer board, the internally mounted of going up the mould has the diverter valve, and the diverter valve is connected with the upper end in shaping chamber to the internally mounted of diverter valve has guide mechanism, install sealing mechanism between bed die and the last mould, install stabilizing mean between mounting panel and the guide bar.

As a further description of the above technical solution:

the telescopic inner rod is movably sleeved with the inside of the telescopic outer rod, and the telescopic inner rod forms a first elastic telescopic structure with the telescopic outer rod through a first reset spring.

As a further description of the above technical solution:

the inside of guide mechanism is including leading to the groove, and leads to constitute the integration through the fluting between the inside of groove and mounting panel and be connected to lead to the groove and be connected with the diverter valve, the top fixedly connected with second hydraulic stretching pole of mounting panel, and be swing joint between the inside in second hydraulic stretching pole and logical groove, the bottom fixedly connected with connecting pipe of second hydraulic stretching pole, and the inside fixedly connected with compression spring of connecting pipe, compression spring's bottom fixedly connected with connecting rod, and the bottom melting of connecting rod is connected with the sealing plug, the inner wall both sides difference fixedly connected with loading board that lead to the groove, and the bottom mounting of loading board has fourth reset spring, fourth reset spring's bottom fixedly connected with sealing rubber ring, and sealing rubber ring and the inner wall bottom swing joint who leads to the groove.

As a further description of the above technical solution:

the sealing rubber ring is movably sleeved with the surface of the second hydraulic telescopic rod, the surface of the second hydraulic telescopic rod is movably sleeved with the surface of the sealing rubber ring, the sealing rubber ring is movably sleeved with the bearing plate through a fourth reset spring, a third elastic telescopic structure is formed between the sealing rubber ring and the bearing plate, and a fourth elastic telescopic structure is formed between the sealing plug and the connecting rod through the connecting rod, the compression spring and the connecting pipe.

As a further description of the above technical solution:

sealing mechanism's inside is including four first recesses, and first recess constitutes the integration through the fluting between respectively and bed die, the last mould and is connected, inner wall one side fixedly connected with second reset spring of first recess, and the other end fixedly connected with of second reset spring seals the cushion.

As a further description of the above technical solution:

the sealing rubber mat forms a second elastic telescopic structure through the second return spring and the first groove, and the sealing rubber mat is symmetrical about the central axes of the lower die and the upper die respectively.

As a further description of the above technical solution:

stabilizing mean's inside is including the second recess, and constitutes the integration through the fluting between second recess and the mounting panel and be connected to inner wall one side fixedly connected with third reset spring of second recess, third reset spring's other end fixedly connected with T type pole, and the other end fixedly connected with C template of T type pole, the inner wall both sides of C template fixedly connected with bearing respectively, and rotate between two bearings and be connected with the rotary drum.

As a further description of the above technical solution:

the C-shaped plate is movably sleeved with the surface of the guide rod, the rotary drum is movably connected with one side of the guide rod, and the rotary drum and the C-shaped plate form a rotating structure through a bearing.

As a further description of the above technical solution:

the T-shaped rod is movably sleeved with the inside of the second groove, and the T-shaped rod forms a second elastic telescopic structure with the second groove through a third return spring.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the supporting plate and the lower die can be driven to shake through the vibrator, when the supporting plate shakes, the telescopic outer rod can assist the supporting plate to shake at a high frequency through the first return spring, so that the lower die and the upper die are stressed to shake, when molding raw materials are poured into the molding cavity, bubbles in the molding cavity raw materials can be shaken and discharged, air bubbles are prevented from occurring after the bolts are molded, and the quality of molded products is improved.

2. According to the invention, the sealing plug can be driven to close or expose the output end of the diversion valve through the second hydraulic telescopic rod, the air bubble discharging operation can be carried out by matching with a shaking mechanism, the air bubbles cannot be discharged when shaking is prevented, in addition, the impact force to the raw materials in the forming cavity in the moving process of the sealing plug can be reduced through the preset compression spring, the phenomenon that the impact is too violent and the patterns are generated on the surface of the formed part is prevented, the attractiveness of the formed product is improved, the sealing rubber ring can be extruded to move downwards through the preset fourth reset spring and is tightly attached to the connecting part of the through groove and the diversion valve, the raw materials in the backflow valve are prevented from overflowing through the gap, and the sealing property of the device is improved.

3. According to the invention, the sealing rubber gasket can be extruded through the preset second return spring, so that a connecting gap between the lower die and the upper die is blocked for sealing, the raw material can be prevented from overflowing when the raw material is filled into the forming cavity, and the formed part can be prevented from generating flash.

4. In the invention, when the upper die moves in a lifting way, the C-shaped plate and the rotary drum are extruded through the preset third return spring and are tightly attached to the surface of the guide rod, so that the upper die can move more stably, and the deviation of bolt forming and quality reduction caused by the position deviation of the forming cavities of the upper die and the lower die are prevented.

5. According to the mould locking device, the upper mould can be driven to move up and down through the first hydraulic telescopic rod, so that the upper mould and the lower mould can be locked, and the situation that the upper mould and the lower mould are not tightly connected to cause flash and burrs is prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of a rocking mechanism according to the present invention;

FIG. 4 is a schematic view of a material guiding mechanism according to the present invention;

FIG. 5 is a schematic structural view of a sealing mechanism according to the present invention;

FIG. 6 is a schematic top view of the stabilizing mechanism of the present invention.

Illustration of the drawings:

1. a base; 2. a guide bar; 3. a connecting plate; 4. a lower die; 5. an upper die; 6. a first hydraulic telescopic rod; 7. mounting a plate; 8. a molding cavity; 9. a shaking mechanism; 901. a telescopic outer rod; 902. a first return spring; 903. a telescopic inner rod; 904. a support plate; 905. a vibrator; 10. a material guiding mechanism; 1001. a through groove; 1002. a second hydraulic telescopic rod; 1003. a connecting pipe; 1004. a compression spring; 1005. a connecting rod; 1006. a sealing plug; 1007. a carrier plate; 1008. a fourth return spring; 1009. sealing the rubber ring; 11. a sealing mechanism; 1101. a first groove; 1102. a second return spring; 1103. sealing the rubber gasket; 12. a stabilizing mechanism; 1201. a second groove; 1202. a third return spring; 1203. a T-shaped rod; 1204. c-shaped plates; 1205. a bearing; 1206. a rotating drum; 13. a diversion valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a bolt forming mold comprises a base 1, four guide rods 2 are respectively welded and connected around the top end of the base 1, a connecting plate 3 is welded and connected to the top ends of the four guide rods 2, a lower mold 4 is installed at the upper end of the base 1, an upper mold 5 is movably connected to the top end of the lower mold 4, a first hydraulic telescopic rod 6 is fixedly connected to the bottom end of the connecting plate 3, a mounting plate 7 is fixedly connected to the bottom end of the first hydraulic telescopic rod 6, the mounting plate 7 is fixedly connected to the top end of the upper mold 5, a forming cavity 8 is formed between the upper mold 5 and the lower mold 4, a shaking mechanism 9 is installed between the lower mold 4 and the base 1, the shaking mechanism 9 comprises four telescopic outer rods 901, the telescopic outer rods 901 are fixedly connected to the top end of the base 1, and a first return spring 901 is fixedly connected to the bottom end of the inner wall of the, a telescopic inner rod 903 is fixedly connected to the top end of the first return spring 902, a supporting plate 904 is fixedly connected to the top end of the telescopic inner rod 903, the supporting plate 904 is fixedly connected to the bottom end of the base 1, a vibrator 905 is fixedly connected to the bottom end of the supporting plate 904, a diverter valve 13 is installed inside the upper die 5, the diverter valve 13 is connected to the upper end of the forming cavity 8, a material guide mechanism 10 is installed inside the diverter valve 13, a sealing mechanism 11 is installed between the lower die 4 and the upper die 5, a stabilizing mechanism 12 is installed between the mounting plate 7 and the guide rod 2, the lower die 4 and the upper die 5 are both provided with grooves for holding rods, the rods can be clamped between the upper die 5 and the lower die 4 and connected to the forming cavity 8 for injection molding of bolt heads, the first hydraulic telescopic rod 6 can push the mounting plate 7 and the upper die 5 to move up and down, the mould locking and mould opening operation is carried out, the working part of the vibrator 905 is a rod-shaped hollow cylinder, an eccentric vibrator is arranged in the vibrator, the vibrator is driven by a motor to rotate at a high speed to generate high-frequency micro-amplitude vibration, the vibration frequency can reach 12000-15000 times/min, the vibration effect is good, the structure is simple, and the service life is long.

Referring to fig. 3, the telescopic inner rod 903 is movably sleeved inside the telescopic outer rod 901, the telescopic inner rod 903 forms a first elastic telescopic structure through the first return spring 902 and the telescopic outer rod 901, and the telescopic inner rod 903 can repeatedly move up and down in the telescopic outer rod 901 through the elastic characteristic of the first return spring 902.

Referring to fig. 4, the interior of the material guiding mechanism 10 includes a through groove 1001, the through groove 1001 and the interior of the mounting plate 7 are integrally connected through a groove, the through groove 1001 is connected with the diversion valve 13, the top end of the mounting plate 7 is fixedly connected with a second hydraulic telescopic rod 1002, the second hydraulic telescopic rod 1002 is movably connected with the interior of the through groove 1001, the bottom end of the second hydraulic telescopic rod 1002 is fixedly connected with a connecting pipe 1003, the interior of the connecting pipe 1003 is fixedly connected with a compression spring 1004, the bottom end of the compression spring 1004 is fixedly connected with a connecting rod 1005, the bottom end of the connecting rod 1005 is connected with a sealing plug 1006 in a melting manner, two sides of the inner wall of the through groove 1001 are respectively and fixedly connected with a bearing plate 1007, the bottom end of the bearing plate 1007 is fixed with a fourth return spring 1008, the bottom end of the fourth return spring 1008 is fixedly connected with a sealing rubber ring 1009, the impact force to the raw material in the molding cavity 8 during the movement of the sealing plug 1006 can be reduced by the preset compression spring 1004.

Referring to fig. 4, the sealing rubber ring 1009 is movably sleeved on the surface of the second hydraulic telescopic rod 1002, the sealing rubber ring 1009 forms a third elastic telescopic structure through the fourth return spring 1008 and the bearing plate 1007, the sealing plug 1006 passes through the connecting rod 1005, the fourth elastic telescopic structure is formed between the compression spring 1004 and the connecting pipe 1003, the preset fourth return spring 1008 can extrude the sealing rubber ring 1009 to move downwards, the tight joint is at the joint of the through groove 1001 and the diversion valve 13, and the sealing rubber ring is sealed.

Referring to fig. 5, the sealing mechanism 11 includes four first grooves 1101, the first grooves 1101 are integrally connected with the lower mold 4 and the upper mold 5 through slots, a second return spring 1102 is fixedly connected to one side of an inner wall of the first grooves 1101, a sealing rubber gasket 1103 is fixedly connected to the other end of the second return spring 1102, the preset second return spring 1102 presses the sealing rubber gasket 1103 through elastic characteristics, and the sealing rubber gasket 1103 can press a pipe.

Referring to fig. 5, the sealing rubber gasket 1103 forms a second elastic telescopic structure through the second return spring 1102 and the first groove 1101, and the sealing rubber gasket 1103 is symmetrical about the central axes of the lower mold 4 and the upper mold 5, so that the joint between the lower mold 4 and the upper mold 5 can be kept in a sealed state, and raw materials in the molding cavity 8 are prevented from overflowing.

Referring to fig. 6, the inside of the stabilizing mechanism 12 includes a second groove 1201, and the second groove 1201 and the mounting plate 7 are connected integrally through a slot, and a third return spring 1202 is fixedly connected to one side of the inner wall of the second groove 1201, a T-shaped rod 1203 is fixedly connected to the other end of the third return spring 1202, a C-shaped plate 1204 is fixedly connected to the other end of the T-shaped rod 1203, bearings 1205 are respectively fixedly connected to two sides of the inner wall of the C-shaped plate 1204, a rotating cylinder 1206 is rotatably connected between the two bearings 1205, and the second groove 1201 is respectively installed around the mounting plate 7.

Referring to fig. 6, the C-shaped plate 1204 is movably sleeved on the surface of the guide rod 2, the rotating cylinder 1206 is movably connected with one side of the guide rod 2, the rotating cylinder 1206 and the C-shaped plate 1204 form a rotating structure through a bearing 1205, and a preset third return spring 1202 extrudes the C-shaped plate 1204 and the rotating cylinder 1206 to be tightly attached to the surface of the guide rod 2.

Referring to fig. 6, the T-shaped rod 1203 is movably sleeved with the inside of the second groove 1201, and the T-shaped rod 1203 forms a second elastic telescopic structure through the third return spring 1202 and the second groove 1201, and the rotary drum 1206 can rotate through the bearing 1205 to assist the mounting plate 7 to move downward.

The working principle is as follows: when the device is used, firstly, a pipe body to be processed is placed in the lower die 4, the mounting plate 7 and the upper die 5 are pushed to move downwards through the first hydraulic telescopic rod 6, the upper die 5 and the lower die 4 are connected, the C-shaped plate 1204 and the rotary drum 1206 are extruded by the preset third reset spring 1202 in the moving process and are tightly attached to the surface of the guide rod 2, the rotary drum 1206 rotates through the bearing 1205 to assist the mounting plate 7 to move downwards, the upper die 5 moves more stably without shaking, when the upper die 5 is connected with the lower die 4, the preset second reset spring 1102 extrudes the sealing rubber gasket 1103 through the elastic characteristic, the sealing rubber gasket 1103 extrudes the rod material to enable the connecting gap between the lower die 4 and the upper die 5 to keep a sealed state, the 1006 sealing plug is driven to move upwards through the second hydraulic telescopic rod 1002 to expose the output end of the diversion valve 13, then, a molding raw material is injected into a molding cavity 8 between an upper mold 5 and a lower mold 4 through a diversion valve 13 of the upper mold 5, a supporting plate 904 and the lower mold 4 are driven to shake through a vibrator 905, a telescopic inner rod 903 repeatedly moves up and down in a telescopic outer rod 901 through the elastic characteristic of a first return spring 902 to assist the quick-frequency vibration of the supporting plate 904, the lower mold 4 and the upper mold 5 vibrate along with the quick-frequency vibration to shake the raw material in the molding cavity 8, bubbles of the raw material in the molding cavity 8 shake and are discharged, after the exhaust operation is completed, a sealing plug 1002 is driven to move downwards through a second hydraulic telescopic rod 1002 to block an output end of the diversion valve 13, the impact force on the raw material in the molding cavity 8 during the movement of the sealing plug 1006 is reduced through a preset compression spring 1004, a preset fourth return spring 1008 extrudes a sealing rubber ring 1009 to move downwards, and the sealing rubber ring 1009 is tightly attached to the connection part of a through groove 1001 and the diversion valve 13, the raw materials are sealed, after the raw materials in the forming cavity 8 are cooled and formed, the first hydraulic telescopic rod 6 drives the upper die 5 to move upwards, and a worker cuts the formed and processed rod materials, so that the working principle of the invention is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a bolt forming die, includes base (1), its characterized in that: the die is characterized in that four guide rods (2) are respectively welded and connected to the periphery of the top end of the base (1), connecting plates (3) are welded and connected to the top ends of the four guide rods (2), a lower die (4) is installed at the upper end of the base (1), an upper die (5) is movably connected to the top end of the lower die (4), a first hydraulic telescopic rod (6) is fixedly connected to the bottom end of each connecting plate (3), a mounting plate (7) is fixedly connected to the bottom end of each first hydraulic telescopic rod (6), the mounting plate (7) is fixedly connected to the top end of the upper die (5), a forming cavity (8) is formed between the upper die (5) and the lower die (4), a shaking mechanism (9) is installed between the lower die (4) and the base (1), the shaking mechanism (9) comprises four telescopic outer rods (901) inside, and the telescopic outer rods (901) are fixedly connected to the top end of the base (1), and the inner wall bottom fixedly connected with first reset spring (902) of flexible outer boom (901), the flexible interior pole (903) of top fixedly connected with of first reset spring (902), and the top fixedly connected with layer board (904) of flexible interior pole (903), be fixed connection between the bottom of layer board (904) and base (1), and the bottom fixedly connected with vibrator (905) of layer board (904), the internally mounted of going up mould (5) has diverter valve (13), and diverter valve (13) are connected with the upper end in shaping chamber (8) to the internally mounted of diverter valve (13) has guide mechanism (10), install sealing mechanism (11) between lower mould (4) and last mould (5), install stabilizing mean (12) between mounting panel (7) and guide bar (2).

2. The bolt forming die according to claim 1, wherein: the telescopic inner rod (903) is movably sleeved with the inside of the telescopic outer rod (901), and the telescopic inner rod (903) forms a first elastic telescopic structure with the telescopic outer rod (901) through a first return spring (902).

3. The bolt forming die according to claim 1, wherein: the material guide mechanism (10) is internally provided with a through groove (1001), the through groove (1001) and the mounting plate (7) are integrally connected through a groove, the through groove (1001) is connected with a diversion valve (13), the top end of the mounting plate (7) is fixedly connected with a second hydraulic telescopic rod (1002), the second hydraulic telescopic rod (1002) is movably connected with the inside of the through groove (1001), the bottom end of the second hydraulic telescopic rod (1002) is fixedly connected with a connecting pipe (1003), the inside of the connecting pipe (1003) is fixedly connected with a compression spring (1004), the bottom end of the compression spring (1004) is fixedly connected with a connecting rod (1005), the bottom end of the connecting rod (1005) is connected with a sealing plug (1006) in a melting manner, the two sides of the inner wall of the through groove (1001) are respectively and fixedly connected with a bearing plate (1007), and the bottom end of the bearing plate (1007) is fixedly provided with a fourth return spring (1008), the bottom end of the fourth reset spring (1008) is fixedly connected with a sealing rubber ring (1009), and the sealing rubber ring (1009) is movably connected with the bottom end of the inner wall of the through groove (1001).

4. A bolt forming die according to claim 3, wherein: the sealing rubber ring (1009) is movably sleeved with the surface of the second hydraulic telescopic rod (1002), the sealing rubber ring (1009) forms a third elastic telescopic structure through a fourth reset spring (1008) and a bearing plate (1007), and the sealing plug (1006) forms a fourth elastic telescopic structure through a connecting rod (1005), a compression spring (1004) and a connecting pipe (1003).

5. The bolt forming die according to claim 1, wherein: the sealing mechanism (11) is characterized in that the sealing mechanism comprises four first grooves (1101), the first grooves (1101) are integrally connected with a lower die (4) and an upper die (5) through grooves, a second return spring (1102) is fixedly connected to one side of the inner wall of each first groove (1101), and a sealing rubber gasket (1103) is fixedly connected to the other end of each second return spring (1102).

6. The bolt forming die according to claim 5, wherein: sealed cushion (1103) constitute second elasticity extending structure through between second reset spring (1102) and first recess (1101), sealed cushion (1103) are the symmetry about the axis of bed die (4), last mould (5) respectively.

7. The bolt forming die according to claim 1, wherein: the inside of stabilizing mean (12) is including second recess (1201), and constitutes the integration through the fluting between second recess (1201) and mounting panel (7) and be connected to inner wall one side fixedly connected with third reset spring (1202) of second recess (1201), the other end fixedly connected with T type pole (1203) of third reset spring (1202), and the other end fixedly connected with C template (1204) of T type pole (1203), the inner wall both sides difference fixedly connected with bearing (1205) of C template (1204), and rotate between two bearing (1205) and be connected with rotary drum (1206).

8. The bolt forming die according to claim 7, wherein: the surface of the C-shaped plate (1204) is movably sleeved with the surface of the guide rod (2), the rotating cylinder (1206) is movably connected with one side of the guide rod (2), and the rotating cylinder (1206) and the C-shaped plate (1204) form a rotating structure through a bearing (1205).

9. The bolt forming die according to claim 7, wherein: the T-shaped rod (1203) is movably sleeved with the inside of the second groove (1201), and the T-shaped rod (1203) forms a second elastic telescopic structure with the second groove (1201) through a third return spring (1202).