CN216032182U

CN216032182U - Injection mold for notebook computer antenna production

Info

Publication number: CN216032182U
Application number: CN202122425714.5U
Authority: CN
Inventors: 张雄杰; 仲伟标; 史圆圆
Original assignee: Kunshan Yuanboyu Precision Mould Co ltd
Current assignee: Kunshan Yuanboyu Precision Mould Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-15
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to the technical field of notebook antennas and discloses an injection mold for producing a notebook antenna, which comprises an upper mold base and a lower mold base, wherein the bottom of the upper mold base is fixedly connected with an upper mold plate, the top of the lower mold base is fixedly connected with two supporting blocks, the top of each supporting block is fixedly connected with a lower mold plate, the bottom of the lower mold base is fixedly connected with a fixed plate, the top of the fixed plate is provided with a push plate, and the top of the lower mold base is provided with a cavity. This an injection mold for production of notebook antenna drives thimble mechanism rebound through the push pedal for compression spring shrink, and then can reduce the atress condition of thimble mechanism, when the top of thimble and product overlap joint, make the spring shrink in the inside of movable groove, and reason upwards to the product through thimble and sleeve pipe, can ejecting with the product, and can avoid the thimble to appear bending fracture phenomenon, improve the life of thimble.

Description

Injection mold for notebook computer antenna production

Technical Field

The utility model relates to the technical field of notebook antennas, in particular to an injection mold for producing a notebook antenna.

Background

When the notebook computer needs to use the wireless access network, the wireless network card and the antenna of the wireless network card must be configured, the wireless network is connected through the antenna, the manufacturing process of the notebook computer antenna is generally an injection molding manufacturing process, an injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, specifically, melted plastics are injected into a mold cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification.

Most of existing injection molds eject molded products through ejector pins in the ejection mechanism, but when the ejection is performed through the ejector pins, the ejector pins are easy to break, so that the products are damaged, and the ejector pins are easy to damage due to overlarge stress, so that the injection mold for producing the notebook computer antenna needs to be provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an injection mold for producing a notebook computer antenna, which has the advantages of improving the ejection effect of an ejector pin, reducing the stress of the ejector pin, preventing the ejector pin from being broken easily, further avoiding the damage of a product and the like, and solves the problems that when the ejector pin is used for ejecting, the ejector pin is broken easily, further the product is damaged, and the ejector pin is damaged easily due to overlarge stress.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an injection mold for production of notebook computer antenna, includes upper die base and die holder, the bottom fixedly connected with cope match-plate pattern of upper die base, two supporting shoes of top fixedly connected with of die holder, the top fixedly connected with lower bolster of supporting shoe, the bottom fixedly connected with fixed plate of die holder, the top of fixed plate is provided with the push pedal, the die cavity has been seted up at the top of die holder, the bottom fixedly connected with mould benevolence of cope match-plate pattern, the top of push pedal is provided with thimble mechanism, thimble mechanism includes the sleeve pipe, sheathed tube inside swing joint has the thimble, movable circular slot has been seted up to the bottom of lower bolster, the spacing ring of side surface fixedly connected with of thimble, the movable groove has been seted up to the sheathed tube inside wall, the inner diapire fixedly connected with spring of movable groove.

Preferably, the guide sleeve is fixedly connected to the inside of the lower template, the first guide pillar is fixedly connected to the top of the push plate, the second guide pillar is fixedly connected to the bottom of the upper template, the rubber pad is fixedly connected to the top of the first guide pillar, the upper end and the lower end of the guide sleeve are respectively communicated with the upper side and the lower side of the lower template, the first guide pillar and the second guide pillar are movably inserted into the guide sleeve, the bottom end of the second guide pillar is in lap joint with the top of the rubber pad, so that the upper template and the push plate can be limited, the first guide pillar can be limited through the second guide pillar, the first guide pillar is prevented from moving inside the guide sleeve, the push plate and the ejector pin mechanism can be limited and fixed, and the push plate and the ejector pin mechanism are prevented from moving.

Preferably, the top of the push plate is fixedly connected with a compression spring, the top end of the compression spring is fixedly connected with the bottom of the lower die plate, the compression spring is movably sleeved with the first guide pillar, and then the compression spring contracts when the push plate moves upwards, so that the push plate moves upwards more stably, and the stress of the ejector pin mechanism can be reduced.

Preferably, the trapezoidal groove has been seted up at the top of fixed plate, the bottom fixedly connected with trapezoidal piece of push pedal, two installation pieces of top fixedly connected with of die holder, the inside fixed mounting of installation piece has the pneumatic cylinder, the pneumatic cylinder is close to the trapezoidal slider of one end fixedly connected with of fixed plate, the intercommunicating pore has all been seted up to the left and right sides of fixed plate, trapezoidal movable groove has all been seted up to the left and right sides inner wall in trapezoidal groove, trapezoidal piece is located the inside in trapezoidal groove, the left and right sides of trapezoidal piece all sets up to the inclined plane, the inclined plane of trapezoidal slider and the mutual adaptation in inclined plane of trapezoidal piece, when trapezoidal slider removes to the trapezoidal piece direction for the inclined plane of trapezoidal slider and the inclined plane overlap joint of trapezoidal piece, and then can drive trapezoidal piece rebound, make the inside in trapezoidal groove remove out to the trapezoidal piece can follow.

Preferably, two the installation piece is located the left and right sides of fixed plate respectively, the inside intercommunication in intercommunicating pore and trapezoidal movable groove, the piston rod of pneumatic cylinder is pegged graft with the inside activity of intercommunicating pore, trapezoidal slider is located the inside in trapezoidal movable groove, and then extends through pneumatic cylinder work for the piston rod on the pneumatic cylinder removes in the inside of intercommunicating pore, and drives trapezoidal slider and removes to trapezoidal inslot portion in the inside in trapezoidal movable groove, and can carry on spacingly to piston rod and trapezoidal slider through intercommunicating pore and trapezoidal movable groove, makes its removal more steady.

Preferably, the top of activity circular slot communicates with the inside of die cavity, spacing ring is located the inside of activity groove, the top of spring and the bottom fixed connection of spacing ring, the spring cup joints with the thimble activity to make the sleeve pipe remove and to drive the thimble and remove together, when the top of thimble and the top contact of product, the sleeve pipe continues to reciprocate, and makes the spring shrink, thereby can be through mutually supporting of thimble and sheathed tube, ejecting the product from the die cavity, and prevent that the thimble from appearing the fracture, reduce and produce the damage to the product.

Compared with the prior art, the utility model provides an injection mold for producing a notebook computer antenna, which has the following beneficial effects:

1. this an injection mold for production of notebook antenna, through the sleeve pipe, the thimble, the activity circular slot, spacing ring, the activity groove, a spring, the guide pin bushing, first guide pillar, mutually support between second guide pillar and the compression spring, thereby can carry on spacingly to first guide pillar, prevent that it from taking place to remove, make push pedal and thimble mechanism stability fine, also need not take place to remove, and then can prevent that the top from leading to the fact the influence to the product, and drive thimble mechanism rebound through the push pedal, make the compression spring shrink, and then can reduce the atress condition of thimble mechanism, when the top of thimble and product overlap joint, make the spring shrink in the inside of activity groove, and reason upwards to the product through thimble and sleeve pipe, can be ejecting with the product, and can avoid the thimble to appear bending fracture phenomenon, improve the life of thimble.

2. This an injection mold for production of notebook antenna, through the dovetail groove, the trapezoidal piece, the installation piece, the pneumatic cylinder, trapezoidal slider, mutually support between intercommunicating pore and the trapezoidal movable groove, make pneumatic cylinder work can drive trapezoidal slider and move to trapezoidal inslot portion in the inside of trapezoidal movable groove, make trapezoidal slider and trapezoidal piece overlap joint, and then can drive trapezoidal piece rebound, make the trapezoidal piece remove from the inside of trapezoidal groove, and then realize promoting the push pedal, and work through two pneumatic cylinders, make both ends synchronous rebound about the push pedal, make the push pedal remove more steadily, the skew is difficult for appearing.

Drawings

FIG. 1 is a front sectional view of the present invention;

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

FIG. 3 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention.

Wherein: 1. an upper die holder; 2. a lower die holder; 3. mounting a template; 4. a support block; 5. a lower template; 6. a fixing plate; 7. pushing the plate; 8. a cavity; 9. a mold core; 10. a sleeve; 11. a thimble; 12. a movable circular groove; 13. a limiting ring; 14. a movable groove; 15. a spring; 16. a guide sleeve; 17. a first guide post; 18. a second guide post; 19. a compression spring; 20. a trapezoidal groove; 21. a trapezoidal block; 22. mounting blocks; 23. a hydraulic cylinder; 24. a trapezoidal slider; 25. a communicating hole; 26. a trapezoidal movable groove.

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. 1-4, an injection mold for producing a notebook computer antenna comprises an upper mold base 1 and a lower mold base 2, wherein the upper mold base 1 is positioned right above the lower mold base 2, a pouring opening is arranged at the top of the upper mold base 1, a melt can be injected through the pouring opening and enters a cavity 8 through an upper mold plate 3 and a mold core 9, the bottom of the upper mold base 1 is fixedly connected with the upper mold plate 3, the top of the lower mold base 2 is fixedly connected with two support blocks 4, the top of each support block 4 is fixedly connected with a lower mold plate 5, the bottom of the lower mold plate 5 is fixedly connected with the tops of the two support blocks 4, the two support blocks 4 are symmetrical in the front-back direction of a central axis of the lower mold plate 5, the bottom of the upper mold plate 3 is lapped with the top of the lower mold plate 5, the bottom of the lower mold base 2 is fixedly connected with a fixing plate 6, the fixing plate 6 is positioned between the two support blocks 4, and the top of the fixing plate 6 is provided with a push plate 7, the bottom of the push plate 7 is lapped with the top of the fixed plate 6, the top of the lower die holder 2 is provided with a die cavity 8, the bottom of the upper die plate 3 is fixedly connected with a die core 9, the die core 9 is positioned inside the die cavity 8, and a product can be molded inside the die cavity 8 by matching the die core 9 and the die cavity 8, the top of the push plate 7 is provided with a plurality of ejector pin mechanisms, the ejector pin mechanisms are positioned under the die cavity 8 and comprise a sleeve 10, the bottom end of the sleeve 10 is fixedly connected with the top of the push plate 7, so that the sleeve 10 can be driven to move together by moving the push plate 7, the inner part of the sleeve 10 is movably connected with an ejector pin 11, the bottom of the lower die plate 5 is provided with a movable circular groove 12, the movable circular groove 12 is composed of two circular holes with different diameters, the upper circular hole is matched with the ejector pin 11, the lower circular hole is matched with the sleeve 10, so that the ejector pin 11 and the sleeve 10 can both move inside the movable circular groove 12, and the thimble 11 and the sleeve 10 can be limited, so that the position deviation phenomenon can be prevented, and the bending and breaking conditions can be further prevented.

The side surface of the thimble 11 is fixedly connected with a limit circular ring 13, the inner side wall of the sleeve 10 is provided with a movable groove 14, the inner bottom wall of the movable groove 14 is fixedly connected with a spring 15, the top end of the movable circular groove 12 is communicated with the inside of the cavity 8, the limit circular ring 13 is positioned inside the movable groove 14, the top end of the spring 15 is fixedly connected with the bottom of the limit circular ring 13, the spring 15 is movably sleeved with the thimble 11, under the action of the spring 15, the thimble mechanism can be contracted, so that when a product is ejected, the damage to the product can be reduced, and the bending and breaking conditions of the thimble 11 can be reduced by moving the thimble 11 inside the sleeve 10, so that the service life of the thimble 11 can be prolonged, the inside of the lower template 5 is fixedly connected with guide sleeves 16, the number of the guide sleeves 16 is four, the top of the push plate 7 is fixedly connected with a first guide pillar 17, and the bottom of the upper template 3 is fixedly connected with a second guide pillar 18, the number of the first guide post 17 and the second guide post 18 is the same as that of the guide sleeve 16, a rubber pad is fixedly connected with the top of the first guide post 17, the abrasion between the first guide post 17 and the second guide post 18 can be reduced by arranging the rubber pad, the upper end and the lower end of the guide sleeve 16 are respectively communicated with the upper side and the lower side of the lower template 5, the first guide post 17 and the second guide post 18 are movably inserted in the guide sleeve 16, the bottom end of the second guide post 18 is lapped with the top of the rubber pad, thereby limiting the upper template 3 and the push plate 7, leading the push plate 7 to move up and down only, the first guide post 17 can be limited by the second guide post 18, the first guide post 17 is prevented from moving in the guide sleeve 16, so that the push plate 7 and the thimble mechanism can be limited and fixed to prevent the push plate and the thimble mechanism from moving, further, the product in the cavity 8 can be protected, and the ejector pin 11 is prevented from moving to move the product.

The top of the push plate 7 is fixedly connected with a compression spring 19, the number of the compression springs 19 is four, the top end of the compression spring 19 is fixedly connected with the bottom of the lower template 5, the compression spring 19 is movably sleeved with a first guide pillar 17, so that when the push plate 7 moves upwards, the compression spring 19 contracts, so that the push plate 7 moves upwards more stably and the stress of the thimble mechanism can be reduced, the top of the fixing plate 6 is provided with a trapezoidal groove 20, the bottom of the push plate 7 is fixedly connected with a trapezoidal block 21, the trapezoidal block 21 is mutually matched with the inside of the trapezoidal groove, the top of the lower die holder 2 is fixedly connected with two mounting blocks 22, a hydraulic cylinder 23 is fixedly mounted inside the mounting blocks 22, one end of the hydraulic cylinder 23 close to the fixing plate 6 is fixedly connected with a trapezoidal sliding block 24, the left side and the right side of the fixing plate 6 are both provided with communicating holes 25, the inner walls of the left side and the right side of the trapezoidal groove 20 are both provided with trapezoidal movable grooves 26, trapezoidal piece 21 is located trapezoidal groove 20's inside, and the left and right sides of trapezoidal piece 21 all sets up to the inclined plane, and the inclined plane of trapezoidal slider 24 and the mutual adaptation of inclined plane of trapezoidal piece 21, two installation pieces 22 are located the left and right sides of fixed plate 6 respectively, and two installation pieces 22 are about the axis bilateral symmetry of fixed plate 6, and the equal fixed mounting in inside of two installation pieces 22 has pneumatic cylinder 23, and pneumatic cylinder 23 is highly corresponding with the position of fixed plate 6.

The communicating hole 25 is communicated with the inside of the trapezoid-shaped movable groove 26, the piston rod of the hydraulic cylinder 23 is movably inserted into the communicating hole 25, the trapezoid-shaped slider 24 is positioned inside the trapezoid-shaped movable groove 26, and further the piston rod on the hydraulic cylinder 23 moves inside the communicating hole 25 through the work extension of the hydraulic cylinder 23 and drives the trapezoid-shaped slider 24 to move inside the trapezoid-shaped movable groove 26 towards the trapezoid-shaped groove 20, and the piston rod and the trapezoid-shaped slider 24 can be limited through the communicating hole 25 and the trapezoid-shaped movable groove 26, so that the movement is more stable, and when the trapezoid-shaped slider 24 moves inside the trapezoid-shaped movable groove 26 towards the trapezoid-shaped groove 20, the inclined plane of the right trapezoid-side trapezoid-shaped slider 24 is lapped with the inclined plane of the trapezoid-shaped block 21, and the inclined plane of the left trapezoid-shaped slider 24 is lapped with the inclined plane of the trapezoid-shaped block 21, and the two trapezoid-shaped sliders 24 on the left side can be simultaneously driven to move towards the middle along with the synchronous movement of the two hydraulic cylinders 23, and the moving distance is the same, and then can drive trapezoidal piece 21 rebound through two trapezoidal sliders 24, and make trapezoidal piece 21 more steady when removing, difficult emergence skew phenomenon, and then realize upwards promoting push pedal 7.

When the injection molding machine is used and a mold needs to be demolded, the injection molding press drives the upper mold base 1 and the upper mold plate 3 to move upwards, so that the upper mold plate 3 and the lower mold plate 5 are separated, the mold core 9 can move out from the inside of the cavity 8, the second guide pillar 18 moves out from the inside of the guide sleeve 16, then the two hydraulic cylinders 23 synchronously work, the hydraulic cylinders 23 extend, the two trapezoidal sliders 24 are driven to move towards the middle, the inclined planes of the two trapezoidal sliders 24 are respectively overlapped with the inclined planes on the left side and the right side of the trapezoidal block 21, the trapezoidal block 21 can be driven to move upwards in the trapezoidal groove 20 along with the continuous extension of the hydraulic cylinders 23, the push plate 7 can be driven to move upwards, the first guide pillar 17 moves upwards in the guide sleeve 16, the compression spring 19 contracts, and the thimble mechanism is driven to move upwards in the movable circular groove 12, the top end of the thimble 11 is in lap joint with the bottom of the product, and the thimble can drive the sleeve 10 to move upwards along with the push plate 7 moving upwards continuously, so that the spring 15 is contracted, and the product in the cavity 8 can be ejected out by the upward thrust of the sleeve 10 and the thimble 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold for production of notebook antenna, includes upper die base (1) and die holder (2), its characterized in that: an upper template (3) is fixedly connected to the bottom of the upper die base (1), two supporting blocks (4) are fixedly connected to the top of the lower die base (2), a lower template (5) is fixedly connected to the top of the supporting blocks (4), a fixing plate (6) is fixedly connected to the bottom of the lower die base (2), a push plate (7) is arranged at the top of the fixing plate (6), a cavity (8) is formed in the top of the lower die base (2), a die core (9) is fixedly connected to the bottom of the upper template (3), a thimble mechanism is arranged at the top of the push plate (7), the thimble mechanism comprises a sleeve (10), a thimble (11) is movably connected to the inside of the sleeve (10), a movable circular groove (12) is formed in the bottom of the lower template (5), a limiting circular ring (13) is fixedly connected to the side surface of the thimble (11), and a movable groove (14) is formed in the inner side wall of the sleeve (10), the inner bottom wall of the movable groove (14) is fixedly connected with a spring (15).

2. The injection mold for notebook antenna production according to claim 1, characterized in that: the inner part of the lower template (5) is fixedly connected with a guide sleeve (16), the top part of the push plate (7) is fixedly connected with a first guide pillar (17), the bottom part of the upper template (3) is fixedly connected with a second guide pillar (18), the top part of the first guide pillar (17) is fixedly connected with a rubber pad, the upper end and the lower end of the guide sleeve (16) are respectively communicated with the upper side and the lower side of the lower template (5), the first guide pillar (17) and the second guide pillar (18) are movably inserted into the inner part of the guide sleeve (16), and the bottom end of the second guide pillar (18) is in lap joint with the top part of the rubber pad.

3. The injection mold for notebook antenna production according to claim 2, characterized in that: the top of the push plate (7) is fixedly connected with a compression spring (19), the top end of the compression spring (19) is fixedly connected with the bottom of the lower die plate (5), and the compression spring (19) is movably sleeved with the first guide pillar (17).

4. The injection mold for notebook antenna production according to claim 1, characterized in that: trapezoidal groove (20) have been seted up at the top of fixed plate (6), the bottom fixedly connected with trapezoidal piece (21) of push pedal (7), two installation pieces (22) of top fixedly connected with of die holder (2), the inside fixed mounting of installation piece (22) has pneumatic cylinder (23), one end fixedly connected with trapezoidal slider (24) that pneumatic cylinder (23) are close to fixed plate (6), intercommunicating pore (25) have all been seted up to the left and right sides of fixed plate (6), trapezoidal movable groove (26) have all been seted up to the left and right sides inner wall of trapezoidal groove (20), trapezoidal piece (21) are located the inside of trapezoidal groove (20), the left and right sides of trapezoidal piece (21) all sets up to the inclined plane, the inclined plane of trapezoidal slider (24) and the mutual adaptation of inclined plane of trapezoidal piece (21).

5. The injection mold for notebook antenna production according to claim 4, wherein: the two installation blocks (22) are respectively positioned at the left side and the right side of the fixed plate (6), the communicating hole (25) is communicated with the inside of the trapezoidal movable groove (26), the piston rod of the hydraulic cylinder (23) is movably inserted into the communicating hole (25), and the trapezoidal sliding block (24) is positioned in the trapezoidal movable groove (26).

6. The injection mold for notebook antenna production according to claim 1, characterized in that: the top of activity circular slot (12) and the inside intercommunication of die cavity (8), spacing ring (13) are located the inside of activity groove (14), the top of spring (15) and the bottom fixed connection of spacing ring (13), spring (15) and thimble (11) activity cup joint.