CN211709945U

CN211709945U - Injection mold advancing mechanism

Info

Publication number: CN211709945U
Application number: CN201921677965.9U
Authority: CN
Inventors: 李莉
Original assignee: Suzhou Taishun Electric Appliance Co ltd
Current assignee: Suzhou Taishun Electric Appliance Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-10-20
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses an injection mold advancing mechanism, including the case that gathers materials, the fixed intercommunication in top of case that gathers materials has the feeding cover, the fixed intercommunication in one side on feeding cover top has the inlet pipe, the one side of case that gathers materials is equipped with the air-blowing case, the inner chamber of air-blowing case is equipped with the gasbag, one side fixedly connected with air duct of gasbag, one side of feeding cover inner chamber is rotated through the pivot and is connected with the carousel, the outer wall interval of carousel is provided with a plurality of stock guides, the top activity interlude of air-blowing case is connected with the push rod, the top of push rod is equipped with the eccentric wheel, be equipped with drive mechanism between. The utility model discloses utilize carousel, stock guide, eccentric wheel and drive mechanism's mode of setting, can utilize hot melt plastics to get into the gravity action that gathers materials the case from the inlet pipe and drive push rod circulation extrusion gasbag, make during gasbag drum-out is gaseous pushes into the die cavity with hot melt plastics, simple structure need not manual operation to injection mold's the manufacturing cost and the manual operation degree of difficulty have been reduced.

Description

Injection mold advancing mechanism

Technical Field

The utility model relates to an injection mold field, in particular to injection mold advancing mechanism.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for pushing hot and molten plastic into a mold cavity and obtaining a formed product after cooling and solidification.

At present, the high-pressure injection molding machine is adopted for most of hot melting plastic propulsion modes, however, the injection molding machine is complex in structure, high in technical requirements on workers and high in manufacturing cost, so that the production cost of an injection mold is increased, and the operation difficulty of the workers is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold advancing mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold advancing mechanism, is including gathering the workbin, the fixed intercommunication in top of gathering the workbin has the feeding cover, the fixed intercommunication in one side on feeding cover top has the inlet pipe, the one side of gathering the workbin is equipped with the air-blowing case, the inner chamber of air-blowing case is equipped with the gasbag, one side fixedly connected with air duct of gasbag, one side of air duct is passed the air-blowing case and is communicated with the inner chamber of gathering the workbin, one side of feeding cover inner chamber is rotated through the pivot and is connected with the carousel, the outer wall interval of carousel is provided with a plurality of stock guides, the top activity interlude of air-blowing case is connected with the push rod, the top of push rod is equipped with the eccentric wheel, be equipped with.

Preferably, drive mechanism includes the action wheel, follows driving wheel and driving belt, the action wheel passes through driving belt and is connected from the driving wheel transmission, one side that the one end of pivot passed the feeding cover and one side fixed connection of action wheel, follow one side of driving wheel fixed connection in the eccentric wheel, the top fixedly connected with fixed plate of air-blowing case, the opposite side rotation that bull stick and eccentric wheel were passed through at the top of fixed plate one side is connected.

Preferably, the bottom laminating of gasbag is provided with the support frame, just the bottom of support frame and the bottom fixed connection of air-blowing box inner chamber, the inner chamber fixed connection of gasbag has reset spring.

Preferably, the other side of the material collecting box is fixedly communicated with a discharge pipe, and the end parts of the discharge pipe and the air guide pipe are respectively and alternately connected with a one-way valve.

Preferably, the cross section of inlet pipe is the Y style of calligraphy, the bottom of push rod is the platykurtic and the top is the bulb.

Preferably, the other side of the top of the fixing plate is fixedly connected with a driving motor, and the output end of the driving motor is in transmission connection with one end of the rotating rod.

The utility model discloses a technological effect and advantage:

1. the utility model discloses utilize carousel, stock guide, eccentric wheel and drive mechanism's setting mode, can utilize the action of gravity that hot melt plastics got into the case that gathers materials from the inlet pipe to drive the push rod and circulate and extrude the gasbag to make gasbag blast gas and promote the hot melt plastics in the case that gathers materials and push into the die cavity from the discharging pipe, simple structure need not manual operation, thereby reduced injection mold's manufacturing cost and manual operation degree of difficulty;

2. the utility model discloses utilize the reset spring of gasbag inner chamber setting can strengthen the plasticity of gasbag, improve the reply efficiency of gasbag to improve gasbag volume and efficiency of blowing out gas at every turn, and then strengthened the propulsion efficiency to hot melt plastics.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the schematic view of the three-dimensional structure of the feeding cover of the present invention.

Fig. 3 is a schematic side sectional view of the air blowing box of the present invention.

Fig. 4 is the schematic side sectional structure view of the feeding cover of the present invention.

In the figure: 1. a material collecting box; 2. a feed hood; 3. a feed pipe; 4. an air blowing box; 5. a turntable; 6. a material guide plate; 7. an air bag; 8. a push rod; 9. a driving wheel; 10. a fixing plate; 11. an eccentric wheel; 12. a driven wheel; 13. a drive belt; 14. a support frame; 15. a return spring; 16. a material guide pipe; 17. and (4) discharging the pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an injection mold propulsion mechanism as shown in figures 1-4, which comprises a material collecting box 1, wherein the top end of the material collecting box 1 is fixedly communicated with a feeding cover 2 which plays a role of a circulation channel, so that hot melt plastic can contact with a material guide plate 6 to drive a turntable 5 to rotate when falling in the feeding cover 2, one side of the top end of the feeding cover 2 is fixedly communicated with a feeding pipe 3, the cross section of the feeding pipe 3 is Y-shaped, the diameter of a feeding port is increased, the feeding efficiency can be improved, the hot melt plastic is prevented from spilling out, one side of the material collecting box 1 is provided with an air blowing box 4 which mainly plays a role of bearing and placing, the installation of each part is convenient, an inner cavity of the air blowing box 4 is provided with an air bag 7, the air blown out by the compression of the air bag is used for enhancing the pressure intensity in the material collecting box 1, thereby the hot melt plastic in the material collecting box 1 is pushed, the bottom end of the supporting frame 14 is fixedly connected with the bottom end of the inner cavity of the air blowing box 4 to play a role of bearing and supporting, the inner cavity of the air bag 7 is fixedly connected with a reset spring 15 to improve the recovery efficiency of the air bag 7, one side of the air bag 7 is fixedly connected with an air duct 16, one end of the air duct 16 penetrates through one side of the air blowing box 4 to be communicated with the inner cavity of the material collecting box 1, the other side of the material collecting box 1 is fixedly communicated with a discharging pipe 17, the end parts of the discharging pipe 17 and the air duct 16 are respectively and alternately connected with a one-way valve to play a role of guiding and prevent the backflow of gas and hot melt plastics, one side of the inner cavity of the feeding cover 2 is rotatably connected with a rotary disc 5 through a rotating shaft to play a role of bearing and connecting, so that the rotary disc 5 can be driven to rotate when the hot melt plastics are, the bottom end of the push rod 8 is flat and the top end of the push rod 8 is ball-head-shaped, so that the push rod 8 can be conveniently pushed to reciprocate up and down when the eccentric wheel 11 rotates, the push rod 8 can conveniently extrude the air bag 7, the top end of the push rod 8 is provided with the eccentric wheel 11, and a transmission mechanism is arranged between the eccentric wheel 11 and the feeding cover 2.

The transmission mechanism comprises a driving wheel 9, a driven wheel 12 and a transmission belt 13, the driving wheel 9 is in transmission connection with the driven wheel 12 through the transmission belt 13, one end of a rotating shaft penetrates through one side of the feeding cover 2 and is fixedly connected with one side of the driving wheel 9, the driven wheel 12 is fixedly connected with one side of an eccentric wheel 11, a fixing plate 10 is fixedly connected to the top end of the air blowing box 4 and plays a role in supporting and fixing, the top of one side of the fixing plate 10 is rotatably connected with the other side of the eccentric wheel 11 through a rotating rod, a transmission effect is mainly achieved, the rotating disk 5 is enabled to rotate and simultaneously drive the eccentric wheel 11 to rotate, and therefore the.

The opposite side fixedly connected with driving motor at fixed plate 10 top, and driving motor's output is connected with the one end transmission of bull stick, and driving motor passes through external switch and external power source electric connection, uses as reserve driving source, can continue to drive gasbag 7 compression after hot melt plastic puts in to last to push into the die cavity with the hot melt plastic in the case 1 that gathers materials.

This practical theory of operation: the heated and melted plastic is introduced into the feeding cover 2 from the feeding pipe 3, the hot and melted plastic contacts with the material guide plate 6 on the outer wall of the rotating disc 5 when falling in the inner cavity of the feeding cover 2, the guide plate 6 and the rotary disc 5 are driven to continuously rotate under the gravity action of the hot melt plastic, so that the driving wheel 9 is driven to rotate, the driving wheel 9 drives the driven wheel 12 to rotate through the transmission belt 13, the driven wheel 12 drives the eccentric wheel 11 to rotate, because the eccentric distance of the eccentric wheel 11 is different at each position of the outer wall, the eccentric wheel 11 circularly extrudes the ball head part at the top end of the push rod 8 downwards when rotating, the push rod 8 circularly moves up and down to extrude the air bag 7, the air bag 7 is extruded and deformed by the push rod 8 to discharge the internal air into the material collecting box 1 from the air duct 16, the air in the material collecting box 1 is increased, the pressure is increased, and the hot melt plastic falling into the material collecting box 1 is pushed into the die cavity from the discharge pipe 17.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an injection mold advancing mechanism, includes case (1) that gathers materials, its characterized in that: the top end of the material collecting box (1) is fixedly communicated with a feeding cover (2), one side of the top end of the feeding cover (2) is fixedly communicated with a feeding pipe (3), an air blowing box (4) is arranged on one side of the material collecting box (1), an air bag (7) is arranged in the inner cavity of the air blowing box (4), one side of the air bag (7) is fixedly connected with an air duct (16), one end of the air duct (16) passes through one side of the air blowing box (4) and is communicated with the inner cavity of the material collecting box (1), one side of the inner cavity of the feeding cover (2) is rotationally connected with a rotary table (5) through a rotary shaft, a plurality of material guide plates (6) are arranged on the outer wall of the rotary disc (5) at intervals, a push rod (8) is movably inserted and connected at the top end of the air blowing box (4), an eccentric wheel (11) is arranged at the top end of the push rod (8), and a transmission mechanism is arranged between the eccentric wheel (11) and the feeding cover (2).

2. An injection mold advancing mechanism according to claim 1, wherein: drive mechanism includes action wheel (9), follows driving wheel (12) and driving belt (13), action wheel (9) are connected with the transmission of following driving wheel (12) through driving belt (13), one side of feeding cover (2) and one side fixed connection of action wheel (9) are passed to the one end of pivot, follow one side of driving wheel (12) fixed connection in eccentric wheel (11), the top fixedly connected with fixed plate (10) of air-blowing case (4), the opposite side rotation that bull stick and eccentric wheel (11) were passed through at the top of fixed plate (10) one side is connected.

3. An injection mold advancing mechanism according to claim 1, wherein: the bottom laminating of gasbag (7) is provided with support frame (14), just the bottom of support frame (14) and the bottom fixed connection of air-blowing box (4) inner chamber, the inner chamber fixed connection of gasbag (7) has reset spring (15).

4. An injection mold advancing mechanism according to claim 1, wherein: the other side of the material collecting box (1) is fixedly communicated with a discharge pipe (17), and the end parts of the discharge pipe (17) and the air guide pipe (16) are all connected with one-way valves in an inserting manner.

5. An injection mold advancing mechanism according to claim 1, wherein: the cross section of inlet pipe (3) is the Y style of calligraphy, the bottom of push rod (8) is the platykurtic and the top is the bulb form.

6. An injection mold advancing mechanism according to claim 2, wherein: the other side of the top of the fixed plate (10) is fixedly connected with a driving motor, and the output end of the driving motor is in transmission connection with one end of the rotating rod.