CN110281471B

CN110281471B - Precision rapid molding automobile electronic mold based on vibration wave treatment

Info

Publication number: CN110281471B
Application number: CN201910656277.2A
Authority: CN
Inventors: 陈宗德; 邵金元; 李惠明; 万日兴
Original assignee: Zhejiang Zhongzhi Automobile Electric Co ltd
Current assignee: ZHEJIANG ZHONGZHI AUTOMOBILE ELECTRIC Co.,Ltd.
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2021-08-31
Anticipated expiration: 2039-07-19
Also published as: CN110281471A

Abstract

The invention discloses a precise and rapid molding automobile electronic mold based on vibration wave treatment, which structurally comprises an upper fixing plate, a mold main body, a lower fixing plate, a demoulding driving structure and an injection molding port, wherein the automobile electronic mold is provided with a vibration wave adjusting structure; in addition, in the demolding process, the rubbing marks on the surfaces of the left side and the right side of the molded product can be effectively avoided, and the smoothness of the surface of the molded product of the mold is improved.

Description

Precision rapid molding automobile electronic mold based on vibration wave treatment

Technical Field

The invention relates to the field of mold equipment, in particular to a precise and rapid molding automobile electronic mold based on vibration wave treatment.

Background

Along with the rapid development of automobiles, the refinement degree of automobiles is higher and higher, and the requirements for automobile parts are higher and higher, the requirements are not only reflected on the quality of the parts, but also on the control of the manufacturing process of the parts, and the protective shell of electronic equipment in the automobile is usually produced by injection molding in a mold in an integrated manner, but the current technical consideration is not perfect enough, and the protective shell has the following defects: 1. when the automobile injection molding raw material is too thick, bubbles and air holes are easily generated after the raw material is injected into a mold cavity, so that the density of the injection molding material is reduced, and meanwhile, cracks are easily generated in the cooling molding process, so that the quality is reduced; 2. traditional mould is after cooling shaping, and the push rod through the bottom is released the finished product from down up, and both ends do not break away from with the mould completely about the finished product to cause the finished product to receive the thrust of bottom and the torsion of both sides, both sides surface formation rub the trace when leading to the finished product to release, influences the product pleasing to the eye.

Disclosure of Invention

Aiming at the problems, the invention provides a precise and rapid molding automobile electronic mold based on vibration wave treatment.

In order to achieve the purpose, the invention is realized by the following technical scheme: a precise and rapid molding automobile electronic mold based on vibration wave treatment structurally comprises an upper fixing plate, a mold main body, a lower fixing plate, a demolding driving structure and an injection molding opening, wherein the lower fixing plate is of a rectangular structure and is horizontally arranged above a workbench, the mold main body is arranged above the lower fixing plate and is in an integrated structure with the lower fixing plate, the upper fixing plate is arranged at the top of the mold main body and is parallel to the lower fixing plate, the demolding driving structure is nested inside the mold main body, the injection molding opening is connected to the middle of the upper surface of the mold main body in a penetrating manner, the mold main body consists of an upper mold frame, a mold cavity, a lower mold frame, a demolding positioning guide sleeve and a vibration wave adjusting structure, the upper surface of the upper mold frame is tightly leaned against the bottom surface of the upper fixing plate, the lower mold frame is arranged below the upper mold frame, the demolding positioning guide sleeve is arranged between the upper mold frame and the lower mold frame, the vibration wave adjusting structure is fixed below the upper die frame, and the die cavity is connected with the demoulding positioning guide sleeve.

As a further improvement of the invention, the vibration wave adjusting structure consists of an injection molding nozzle, a driving device, a vibration wave transmission structure and an adjusting structure protective cover, wherein the adjusting structure protective cover is of a rectangular structure and is horizontally nested at the bottom of the upper die carrier, the injection molding nozzle is positioned above the adjusting structure protective cover, the driving device is electrically connected with the injection molding nozzle, and the vibration wave transmission structure is positioned at the left side and the right side of the die cavity and is respectively abutted against the driving device.

As a further improvement of the invention, the injection molding nozzle is composed of a power supply contact element, a nozzle main body, a self-resetting spring and a conducting strip, wherein the nozzle main body is of a conical structure and penetrates through the middle of the upper surface of an upper die frame, the conducting strip is of a circular ring structure and is of an integrated structure with the conducting strip, the self-resetting spring is wound together with the outer surface of the nozzle main body, and two power supply contact elements are arranged and are respectively positioned at the top of the upper die frame.

As a further improvement of the invention, the driving device comprises a fixed shaft, a fixed roller, a driving connecting rod, a driving motor, a transmission guide rail and a friction sliding block, wherein the driving motor is fixed at the upper left corner of the adjusting structure protective cover through a bolt, the fixed shaft is positioned at the right side of the driving motor, the fixed roller is nested at the left end of the left side of the fixed shaft and is buckled with the driving motor, the transmission guide rail is arranged below the fixed shaft and is parallel to the fixed shaft, the friction sliding block is positioned below the transmission guide rail and is in clearance fit with the transmission guide rail, the bottom of the driving connecting rod and the friction sliding block are perpendicular to each other and form an integrated structure, and the top of the driving connecting rod.

As a further improvement of the invention, the vibration wave transmission structure comprises a demolding driving device, a vibration wave transmission rod and a vibration block, wherein the top of the vibration block is attached to the bottom surface of the friction sliding block, the vibration wave transmission rod is positioned below the vibration block, and the demolding driving device is attached to the vibration wave transmission rod.

As a further improvement of the invention, the demolding driving device comprises an electromagnetic block, a fixed template, a spiral spring and a template fixed guide rail, wherein the inner wall of the fixed template is attached to the vibration wave transmission rod, the template fixed guide rail is positioned at the top of the fixed template and is in clearance fit with the fixed template, the left end and the right end of the spiral spring are respectively and tightly abutted to the fixed template and the template fixed guide rail, and the electromagnetic block is electrically connected with the power supply contact element.

As a further improvement of the invention, the vibration wave transmission rod is of an E-shaped structure, so that the vibration wave transmission rod can transmit the upper vibration, the middle vibration and the lower vibration of the injection molding liquid and promote the vibration wave received by the injection molding liquid to be more uniform.

As a further improvement of the invention, the fixed roller is of a cylindrical structure, the surface of the fixed roller is provided with a spiral groove, the fixed roller is attached to the driving connecting rod, and when the fixed roller rotates, the fixed roller pulls the driving connecting rod to slide left and right.

As a further improvement of the invention, when the conducting strip is attached to the power contact, the coil on the surface of the electromagnetic block is electrified, so that repulsion exists between the coil and the fixed template, and the fixed template extrudes the spiral spring and moves towards the die cavity.

As a further improvement of the invention, the conducting strip adopts a copper core structure, and two bumps are arranged at the bottom and are abutted against the power supply contact.

The invention has the beneficial effects that: the automobile electronic die is provided with the vibration wave adjusting structure, and in the working process of the die, after the raw material is injected into the die cavity, the vibration wave transmission structure forms transverse mechanical waves on the raw material, so that the raw material is injected into the die and distributed more uniformly, bubbles in the raw material are eliminated, the condition of cracks after cooling is avoided, and the quality of a formed product is improved; in addition, in the demolding process, the rubbing marks on the surfaces of the left side and the right side of the molded product can be effectively avoided, and the smoothness of the surface of the molded product of the mold is improved.

1. When the driving device is used, the nozzle main body extrudes the self-reset spring and is communicated with the die cavity, the conducting strip is attached to the power contact element, the driving motor is electrified and started, the driving motor drives the fixed roller to rotate by taking the fixed shaft as the circle center, the fixed roller drives the friction sliding block to swing left and right on the transmission guide rail through the driving connecting rod, the bottom surface of the friction sliding block is attached to the upper surface of the vibrating block to generate vibration, the vibration waves are transmitted to the raw materials in the die cavity through the vibration wave transmission rod, the raw materials are more uniform, and bubbles are discharged under the action of the vibration waves, so that the quality of a formed product is improved.

2. When the demoulding driving device is used, when the conducting strip is attached to the power contact piece, the electromagnetic block is electrified to form an electromagnetic field to push the fixed template to extrude the spiral spring to move towards the cavity of the mould along the template fixed guide rail, after a product is cooled and formed, the injection molding nozzle is reset, the conducting strip is separated from the power contact piece, the electromagnetic field disappears, the fixed templates on the left side and the right side of the product are separated from the product firstly under the action of the spiral spring, and then the mould is pushed out through the demoulding driving structure, so that the smoothness of the surface of the product is effectively improved.

Drawings

Fig. 1 is a schematic structural diagram of a precision rapid-prototyping automotive electronic mold based on vibration wave processing.

FIG. 2 is a schematic view of the interior of the mold body of the present invention.

Fig. 3 is a schematic structural diagram of a sectional view of a vibration wave adjusting structure according to the present invention.

Fig. 4 is a schematic top view of the driving device shown in fig. 3 according to the present invention.

Fig. 5 is a schematic top view of the demolding driving device shown in fig. 3 according to the present invention.

Fig. 6 is a schematic perspective view of the oscillatory wave transmission rod of the present invention.

In the figure: an upper fixing plate-1, a mould main body-2, a lower fixing plate-3, a demoulding driving structure-4, an injection molding opening-5, an upper mould frame-2 a, a mould cavity-2 b, a lower mould frame-2 c, a demoulding positioning guide sleeve-2 d, a vibration wave adjusting structure-2 e, an injection molding nozzle-e 1, a driving device-e 2, a vibration wave transmission structure-e 3, an adjusting structure protective cover-e 4, a power supply contact piece-e 11, a nozzle main body-e 12, a self-resetting spring-e 13, a conducting strip-e 14, a fixed shaft-e 21, a fixed roller-e 22, a driving connecting rod-e 23, a driving motor-e 24, a transmission guide rail-e 25, a friction sliding block-e 26, a demoulding driving device-e 31, a vibration wave-e 32, a vibrating block-e 33, a vibration wave-e, Electromagnetic block-311, fixed template-312, spiral spring-313 and template fixed guide-314.

Detailed Description

In order to make the technical means, creation features, achievement objects and effects of the present invention easy to understand, fig. 1 to 6 schematically show the structure of an automotive electronic mold according to an embodiment of the present invention, and the present invention will be further described with reference to the following detailed description.

Examples

Referring to fig. 1-2, the invention provides a precise and rapid molding automobile electronic mold based on vibration wave treatment, which comprises an upper fixing plate 1, a mold main body 2, a lower fixing plate 3, a demoulding driving structure 4 and an injection port 5, wherein the lower fixing plate 3 is a rectangular structure and is horizontally arranged above a workbench, the mold main body 2 is arranged above the lower fixing plate 3 and is integrated with the lower fixing plate 3, the upper fixing plate 1 is arranged on the top of the mold main body 2 and is parallel to the lower fixing plate 3, the demoulding driving structure 4 is nested inside the mold main body 2, the injection port 5 is connected to the middle of the upper surface of the mold main body 2 in a penetrating manner, the mold main body 2 consists of an upper mold frame 2a, a mold cavity 2b, a lower mold frame 2c, a demoulding positioning guide sleeve 2d and a vibration wave adjusting structure 2e, the upper surface of the upper mold frame 2a is tightly leaned against the bottom surface of the upper mold frame fixing plate 1, the lower die frame 2c is positioned below the upper die frame 2a, the stripping positioning guide sleeve 2d is arranged between the upper die frame 2a and the lower die frame 2c, the vibration wave adjusting structure 2e is fixed below the upper die frame 2a, and the die cavity 2b is connected with the stripping positioning guide sleeve 2 d.

Referring to fig. 3, the vibration wave adjusting structure 2e includes an injection nozzle e1, a driving device e2, a vibration wave transmission structure e3, and an adjusting structure shield e4, the adjusting structure shield e4 is a rectangular structure and is horizontally nested at the bottom of the upper mold frame 2a, the injection nozzle e1 is located above the adjusting structure shield e4, the driving device e2 is electrically connected to the injection nozzle e1, the vibration wave transmission structure e3 is located at the left and right sides of the mold cavity 2b and respectively abuts against the driving device e2, the injection nozzle e1 includes a power contact e11, a nozzle body e12, a self-resetting spring e13, and a conductive sheet e14, the nozzle body e12 is a conical structure and is connected to the middle of the upper surface of the upper mold frame 2a in a penetrating manner, the conductive sheet e14 is a circular ring structure and is integrated with the nozzle e14, the self-resetting spring e 67 13 is wound with the outer surface of the nozzle body e12, the power contact piece e11 is provided with two power contact pieces e11 which are respectively positioned at the top of the upper die carrier 2a, the driving device e2 is composed of a fixed shaft e21, a fixed roller e22, a driving connecting rod e23, a driving motor e24, a transmission guide rail e25 and a friction sliding block e26, the driving motor e24 is fixed at the upper left corner of the adjusting structure protective cover e4 through bolts, the fixed shaft e21 is positioned at the right side of the driving motor e24, the fixed roller e22 is nested at the left side left end of the fixed shaft e21 and is buckled with the driving motor e24, the transmission guide rail e25 is arranged below the fixed shaft e21 and is parallel to the fixed shaft e sliding block 21, the friction guide rail e26 is positioned below the transmission guide rail e25 and is in clearance fit with the transmission guide rail e25, the bottom of the driving connecting rod e23 and the friction sliding block e26 are mutually perpendicular and are integrated, the top of the roller is attached to the fixed roller e22, the fixed roller 22 is cylindrical structure and the surface is provided with a spiral groove, and the conductive sheet e14 adopts a copper core structure, and two bumps are arranged at the bottom to abut against the power supply contact e11, so that the circuit of the power supply contact e11 is conducted after the conductive sheet e14 is abutted against the two power supply contacts e 11.

Referring to fig. 4-6, the vibration wave transmission structure e3 is composed of a demoulding driving device e31, a vibration wave transmission rod e32 and a vibration block e33, the top of the vibration block e33 is attached to the bottom of a friction sliding block e26, the vibration wave transmission rod e32 is located below the vibration block e33, and the demoulding driving device e31 is attached to the vibration wave transmission rod e 32. The demolding driving device e31 comprises an electromagnetic block 311, a fixed template 312, a spiral spring 313 and a template fixed guide rail 314, wherein the inner wall of the fixed template 312 is attached to a vibration wave transmission rod e32, the template fixed guide rail 314 is positioned at the top of the fixed template 312 and is in clearance fit with the fixed template 312, the left end and the right end of the spiral spring 313 are respectively abutted against the fixed template 312 and the template fixed guide rail 314, and the electromagnetic block 311 is electrically connected with a power contact e 11. The vibration wave transmission rod E32 is of an E-shaped structure, so that the vibration wave transmission rod can transmit the upper vibration, the middle vibration and the lower vibration of the injection molding liquid, and the vibration wave received by the injection molding liquid is more uniform.

When the nozzle body e12 presses the self-reset spring e13 downwards and penetrates the die cavity 2b, so as to inject the raw material into the die cavity 2b from the nozzle body e12, and when the nozzle body e12 presses the self-reset spring e13 downwards, the conductive sheet e14 on the nozzle body e12 is attached to the power contact e11, so as to conduct the circuit of the power contact e11, and at the same time, the electromagnetic block 311 generates an electromagnetic field to push the fixed template 312 to press the coil spring 313 and approach the die cavity 2b along the template fixed guide rail 314, at this time, the driving motor e24 is energized to work, the driving motor e24 drives the fixed roller e22 to rotate around the fixed shaft e21, so that the fixed roller e22 drives the friction block e26 to swing left and right along the transmission guide rail e25 through the driving connecting rod e23, and because the bottom of the friction block e26 is attached to the vibration block e33, the friction block e26 can drive the block e33 to vibrate to generate vibration in the swinging process to generate vibration, the injection molding liquid in the mold cavity 2b is transmitted through the vibration wave transmission rod e32, so that the injection molding raw material is more uniform after being subjected to vibration waves in the mold cavity 2b, and the bubbles are discharged under the action of the vibration waves, so that the quality of a molded product is improved; after the product is cooled and formed, the injection nozzle e1 is reset, the conducting strip e14 is separated from the power contact e11, the electromagnetic field of the electromagnetic block 311 disappears, then the spiral spring 313 expands and pushes the fixed template 312 to be separated from the formed product, the phenomenon that the surfaces on two sides form rubbing marks when the formed product is pushed out due to the pushing force of the bottom and the torsion on the two sides is avoided, and the surface smoothness of the finished product is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a precision rapid prototyping car electron class mould based on ripples of shaking is handled, its structure includes upper fixed plate (1), mould main part (2), bottom plate (3), demoulding drive structure (4), mouth (5) of moulding plastics, its characterized in that:

the lower fixing plate (3) is positioned above the workbench, the die main body (2) and the lower fixing plate (3) form an integrated structure, the upper fixing plate (1) is installed at the top of the die main body (2), the demoulding driving structure (4) is nested inside the die main body (2), and the injection molding port (5) is connected above the die main body (2) in a penetrating manner;

the mould main body (2) comprises an upper mould frame (2a), a mould cavity (2b), a lower mould frame (2c), a demoulding positioning guide sleeve (2d) and a vibration wave adjusting structure (2e), wherein the upper mould frame (2a) is tightly close to an upper fixing plate (1), the lower mould frame (2c) is positioned below the upper mould frame (2a), the demoulding positioning guide sleeve (2d) is arranged between the upper mould frame (2a) and the lower mould frame (2c), the vibration wave adjusting structure (2e) is fixed below the upper mould frame (2a), the mould cavity (2b) is connected with the demoulding positioning guide sleeve (2d), the vibration wave adjusting structure (2e) is composed of an injection nozzle (e1), a driving device (e2), a vibration wave transmission structure (e3) and an adjusting structure protective cover (e4), the adjusting structure protective cover (e4) is a rectangular structure and is nested at the bottom of the upper mould frame (2a), the injection nozzle (e1) is positioned above a regulating structure protective cover (e4), and the vibration wave transmission structure (e3) is abutted with a driving device (e 2);

the injection molding nozzle (e1) consists of a power supply contact (e11), a nozzle main body (e12), a self-reset spring (e13) and a conducting strip (e14), wherein the nozzle main body (e12) is connected to the middle of the upper die frame (2a) in a penetrating mode, the self-reset spring (e13) and the nozzle main body (e12) are wound together, the power supply contact (e11) is located at the top of the upper die frame (2a), and the conducting strip (e14) is electrically connected with a driving device (e 2);

the vibration wave transmission structure (e3) is composed of a demolding driving device (e31), a vibration wave transmission rod (e32) and a vibrating block (e33), the top of the vibrating block (e33) is attached to the bottom surface of a friction sliding block (e26), the vibration wave transmission rod (e32) is located below the vibrating block (e33), and the demolding driving device (e31) is attached to the vibration wave transmission rod (e 32);

the demolding driving device (E31) is composed of an electromagnetic block (311), a fixed template (312), a spiral spring (313) and a template fixed guide rail (314), the inner wall of the fixed template (312) is attached to a vibration wave transmission rod (E32), the template fixed guide rail (314) is located at the top of the fixed template (312) and is in clearance fit with the fixed template (312), the left end and the right end of the spiral spring (313) are respectively abutted to the fixed template (312) and the template fixed guide rail (314), the electromagnetic block (311) is electrically connected with a power contact element (E11), the vibration wave transmission rod (E32) is of an E-shaped structure, the upper vibration, the middle vibration and the lower vibration of injection molding liquid are propagated, the vibration wave received by the injection molding liquid is more uniform, the fixed roller (E22) is of a cylindrical structure, the surface of which is provided with a spiral groove and is attached to a driving connecting rod (E23), and when the fixed roller (E22) rotates, the fixed roller (e22) pulls the driving connecting rod (e23) to slide left and right, when the conducting strip (e14) is attached to the power contact (e11), the coil on the surface of the electromagnetic block (311) is electrified, so that repulsive force exists between the conducting strip and the fixed template (312), the fixed template (312) extrudes the spiral spring (313) and moves towards the die cavity (2b), the conducting strip (e14) adopts a copper core structure, and two bumps are arranged at the bottom of the conducting strip and abut against the power contact (e 11).