CN220534778U - Injection molding machine feed mechanism - Google Patents

Abstract

The utility model relates to the technical field of injection molding machines, in particular to a feeding mechanism of an injection molding machine, which comprises a storage hopper, wherein a feeding channel is fixedly connected to the bottom surface of the storage hopper, a casing is fixedly sleeved outside the feeding channel, a stirring cylinder is fixedly connected to the bottom surfaces of the feeding channel and the casing, a feeding hole is formed in the top surface of the stirring cylinder, and an adjusting device is arranged on the feeding channel and the casing. According to the utility model, the adjusting device is arranged, the spring telescopic rod is stretched, and then the spring telescopic rod is rotated to deflect the baffle plate, so that the gap between the baffle plate and the inner wall of the feeding channel is adjusted, the feeding rate is controlled, the feeding rate is equal to the stirring rate of the stirring device, the discharging amount of the material injection port is ensured to be equal to the feeding amount of the feeding channel, excessive accumulation of raw materials in the stirring barrel is avoided, the stirring is not uniform, the stirring quality is influenced, the overload work of the motor is caused, and the service life of the motor is shortened.

Description

Injection molding machine feed mechanism

Technical Field

The utility model relates to the technical field of injection molding machines, in particular to a feeding mechanism of an injection molding machine.

Background

The injection molding machine is also called an injection molding machine or an injection machine, which is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, and is divided into a vertical type, a horizontal type and an all-electric type, the injection molding machine can heat the plastics, apply high pressure to the molten plastics to enable the molten plastics to be injected to fill a die cavity, the injection molding machine is a processing machine with the largest usage amount in the plastic processing industry, a large number of products can be directly produced by the injection molding machine, and also is a key device for forming an injection stretch blow process, the working principle of the injection molding machine is similar to that of an injection molding injector, the plastic in a plasticized molten state (namely an adhesive state) is injected into a closed die cavity by virtue of the thrust of a screw (or a plunger), and the process of obtaining the products after solidification and shaping is divided into two parts in energy saving of the injection molding machine: one is a power part, the other is a heating part, the feeding mechanism is a mechanism for delivering plastics, and when the injection molding machine heats and melts plastics, the feeding mechanism is required to inject raw materials into the injection molding machine.

But in the feeding process of the injection molding machine in the prior art, the feeding efficiency of the injection molding material cannot be adjusted, excessive raw materials in the stirring mechanism are easily caused by excessive raw materials injected at one time, the blocking is easily caused, driving equipment in the stirring mechanism is easily overloaded, and the service life of the driving equipment is influenced. In view of this, we propose a feeding mechanism for an injection molding machine.

Disclosure of Invention

The utility model aims to provide a feeding mechanism of an injection molding machine, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an injection molding machine feed mechanism, includes the storage hopper, fixedly connected with feed channel on the storage hopper bottom surface, feed channel outside fixed sleeve is equipped with the sleeve shell, fixedly connected with churn on the bottom surface of feed channel and sleeve shell, the feed port has been seted up on the top surface of churn, be provided with adjusting device on feed channel and the sleeve shell, be provided with agitating unit in the churn, agitating unit's bottom surface fixedly connected with annotate the material mouth, adjusting device includes guide block, pivot, baffle, gear, spring telescopic link, carousel, reference column, constant head tank, guide block fixed connection is on feed channel's inner wall, the pivot runs through one side of feed channel and rotates with feed channel through the bearing and be connected, baffle fixed connection is located one section of feed channel in the pivot, gear fixed connection is located one section between feed channel and the sleeve shell in the pivot, spring telescopic link runs through one side and rotates with the sleeve shell fixedly connected, the carousel is located one section of spring telescopic link outside anchor column, the carousel sets up on the constant head tank and the constant head tank.

Preferably, the stirring device comprises a motor, a rotating rod, a rotating roller, a stirring rod, a scraping plate and a filter plate, wherein the motor is fixedly arranged at the center of the top surface of the inner wall of the shell, one end of the rotating rod is fixedly connected with the output end of the motor through a coupler, the rotating roller is fixedly sleeved on the annular surface of the rotating rod, the stirring rod is uniformly and fixedly connected on the annular surface of the rotating roller, the scraping plate is fixedly connected with one end of the stirring rod, which is far away from the rotating roller, the scraping plate is attached to the inner wall of the shell, and the filter plate is fixedly connected with the bottom of the inner wall of the shell.

Preferably, the guide block top sets up to both sides slope, through setting up the inclined plane, guides the raw materials to directly over two baffles, makes things convenient for baffle control raw materials throughput, two concave cambered surfaces have been seted up to the symmetry on the guide block bottom surface, the diameter of concave cambered surface equals the length of baffle, sets up like this and guarantees baffle one side and laminating with the cambered surface of guide board all the time to guarantee that the raw materials can only pass through from the clearance between baffle and the feed channel inner wall, guaranteed adjusting device to the accuracy of feed rate control.

Preferably, when the rotating shaft is in a vertical state, the cross section of the channel formed by the rotating shaft and the inner wall of the feeding channel is completely overlapped with the cross section horizontal projection of the feeding hole, so that the arrangement ensures that when the feeding quantity of the feeding channel is at the maximum value, raw materials can also enter the stirring barrel through the feeding hole completely, and cannot be scattered above the stirring barrel to be accumulated, so that the raw materials are lost, and the quality of injection molding products is affected.

Preferably, the quantity of pivot, baffle, gear is two, two the pivot is connected through two gear drive, two when the baffle is in the horizontality, two the body cross-section that the baffle spliced out is equal with feed channel's interior cross-section completely, can block feed channel completely through setting up two sets of baffles, and two sets of baffles participate in the regulation work with the participation, make adjusting device more light and accurate to feed channel's feed rate control.

Preferably, the adjusting device further comprises a rubber sleeve, the rubber sleeve is fixedly sleeved on one end of the spring telescopic rod, which is located outside the casing, and the rubber sleeve is arranged, so that the comfort level of the hand can be improved, the friction force between the hand and the spring telescopic rod can be increased, and the spring telescopic rod can be rotated more easily.

Preferably, the positioning notch is evenly formed in the surface of the positioning groove, when the positioning post is clamped in the horizontal positioning notch, the baffle is in a horizontal state, when the positioning post is clamped in the vertical positioning notch, the baffle is in a vertical state, through the positioning notch, the baffle can be fixed with different inclinations by clamping the positioning post in different positioning notches, so that the feeding amount of the feeding channel can be adjusted by a plurality of gears, the working speed of the stirring device is adapted, the feeding amount of the feeding channel is ensured to be equal to the discharging amount of the feeding opening, the raw materials in the stirring cylinder are kept stable, the stirring effect is improved, and the stirring device is protected.

By means of the technical scheme, the utility model provides a feeding mechanism of an injection molding machine. The method has at least the following beneficial effects:

(1) According to the utility model, the adjusting device is arranged, the spring telescopic rod is stretched, and then the spring telescopic rod is rotated to deflect the baffle plate, so that the gap between the baffle plate and the inner wall of the feeding channel is adjusted, the feeding rate is controlled, the feeding rate is equal to the stirring rate of the stirring device, the discharging amount of the material injection port is ensured to be equal to the feeding amount of the feeding channel, excessive accumulation of raw materials in the stirring barrel is avoided, the stirring is not uniform, the stirring quality is influenced, the overload work of the motor is caused, and the service life of the motor is shortened.

(2) According to the utility model, the stirring device is arranged, the stirring rod is driven by the motor to stir raw materials, and meanwhile, the scraping plate is driven to move annularly along the inner wall of the stirring cylinder, so that raw materials adhered on the inner wall of the stirring cylinder are continuously scraped, excessive raw material adhesion is avoided, and the operation efficiency of the injection molding machine is prevented from being influenced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

FIG. 3 is an enlarged cross-sectional view of the adjustment device of the present utility model;

FIG. 4 is an enlarged view of the structure of the portion A in FIG. 3;

FIG. 5 is an enlarged view of the casing structure of the present utility model;

FIG. 6 is an enlarged view of the pilot block structure of the present utility model;

FIG. 7 is an enlarged cross-sectional view of the stirring device according to the present utility model.

In the figure: 1. a storage hopper; 2. a feed channel; 3. a casing; 4. a stirring cylinder; 5. a feed hole; 6. an adjusting device; 601. a guide block; 602. a rotating shaft; 603. a baffle; 604. a gear; 605. a spring telescoping rod; 606. a rubber sleeve; 607. a turntable; 608. positioning columns; 609. a positioning groove; 7. a stirring device; 701. a motor; 702. a rotating rod; 703. a rotating roller; 704. a stirring rod; 705. a scraper; 706. a filter plate; 8. and a material injection port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-7, the present utility model provides a technical solution:

the utility model provides an injection molding machine feed mechanism, including storage hopper 1, fixedly connected with feed channel 2 on the storage hopper 1 bottom surface, feed channel 2 outside fixed cover is equipped with the cover shell 3, fixedly connected with churn 4 on the bottom surface of feed channel 2 and cover shell 3, feed port 5 has been seted up on the top surface of churn 4, when pivot 602 is in the vertical state, the passageway cross-section that pivot 602 and feed channel 2 inner wall formed coincides completely with the cross-section horizontal projection of feed port 5, set up like this and guarantee, when the feed amount of feed channel 2 is in the maximum value, the raw materials also can all get into churn 4 through feed port 5, can not spill and pile up in churn 4 top, cause the raw materials to lose, influence the quality of injection molding product, be provided with adjusting device 6 on feed channel 2 and the cover shell 3, be provided with agitating unit 7 in the churn 4, the bottom surface fixedly connected with of agitating unit 7 annotates material mouth 8.

Further, adjusting device 6 includes guide block 601, pivot 602, baffle 603, gear 604, spring telescopic link 605, carousel 607, reference column 608, the constant head tank 609, guide block 601 fixed connection is on the inner wall of feed channel 2, guide block 601 top surface inclines to both sides and sets up, through setting up the inclined plane, direct the raw materials to directly over two baffles 603, make things convenient for baffle 603 control raw materials throughput, two concave cambered surfaces have been seted up to the symmetry on the guide block 601 bottom surface, the diameter of concave cambered surface equals the length of baffle 603, set up like this and guarantee baffle 603 one side and the laminating of the cambered surface of guide block 601 all the time, thereby guarantee that the raw materials can only pass through from the clearance between baffle 603 and the feed channel 2 inner wall, guaranteed adjusting device 6 to the accuracy of feed rate control, one side that pivot 602 runs through feed channel 2 and rotates with feed channel 2 through the bearing and be connected, baffle 603 fixed connection is on the section that pivot 602 is located feed channel 2, gear 604 fixed connection is located the pivot 2 between feed channel 2 and the cover shell 3.

Still further, the quantity of pivot 602, baffle 603, gear 604 is two, two pivots 602 are connected through two gears 604 transmission, when two baffles 603 are in the horizontality, the body cross-section that two baffles 603 splice is equal with the interior cross-section of feed channel 2 completely, through setting up two sets of baffles 603, can block feed channel 2 completely, and two sets of baffles 603 are with participating in the regulation work, make adjusting device 6 to feed rate control of feed channel 2 more light and accurate, one end of spring telescopic rod 605 and pivot 602 lie in one section fixed connection between feed channel 2 and the cover shell 3, spring telescopic rod 605 runs through cover shell 3 one side and rotates with cover shell 3 to be connected, adjusting device 6 still includes rubber sleeve 606, rubber sleeve 606 fixed sleeve establishes on the outside one end of cover shell 3, through setting up rubber sleeve 606, and can promote the comfort level, and can increase the frictional force between hand and the spring telescopic rod 605, make the rotation spring telescopic rod 605 light, carousel fixed sleeve establishes on the section 607 that spring telescopic rod 605 is located 3 outside 607, positioning column 608 is fixed connection is located cover 3, positioning column 608 is set up on the positioning slot 609 in the positioning column 609, all positioning column 609.

In addition, evenly set up the location shelves mouth with reference column 608 adaptation on the constant head tank 609 anchor ring, when reference column 608 joint in the location shelves mouth of level, baffle 603 is in the horizontality, when reference column 608 joint in vertical location shelves mouth, baffle 603 is in vertical state, through setting up the location shelves mouth, through with reference column 608 joint in different location shelves mouths, can make baffle 603 fixed with different inclinations, thereby make the feed rate of feed channel 2 can have the regulation of a plurality of gears, with the operating rate of adaptation agitating unit 7, guarantee feed channel 2 feed rate equals the discharge volume of feed inlet 8, thereby make the raw materials in the churn 4 keep stable, promote the stirring effect, and protect agitating unit 7.

Besides, the stirring device 7 comprises a motor 701, a rotating rod 702, a rotating roller 703, a stirring rod 704, a scraping plate 705 and a filter plate 706, wherein the motor 701 is fixedly arranged at the center of the top surface of the inner wall of the shell 3, one end of the rotating rod 702 is fixedly connected with the output end of the motor 701 through a coupler, the rotating roller 703 is fixedly sleeved on the annular surface of the rotating rod 702, the stirring rod 704 is uniformly and fixedly connected on the annular surface of the rotating roller 703, the scraping plate 705 is fixedly connected on one end, far away from the rotating roller 703, of the stirring rod 704, the scraping plate 705 is attached to the inner wall of the shell 3, and the filter plate 706 is fixedly connected at the bottom of the inner wall of the shell 3.

The electrical components and devices in the embodiment are all existing devices known in the art, the protection content of the utility model does not relate to improvement of the internal structures of the devices, the electrical components and devices in the embodiment are all electrically connected with an external main controller and 220V mains supply, and the main controller can be conventional known devices for controlling a computer and the like.

When the feeding mechanism of the injection molding machine is used, the moving device enables the material injection port 8 to be aligned with the feeding port of the injection molding machine, the position of the device is fixed, crushed plastic particle raw materials are poured into the storage hopper 1 for temporary storage, the motor 701 is started, the motor 701 drives the rotary roller 703 to rotate through the rotary rod 702, and the stirring rod 704 rotates around the rotary roller 703.

The rubber sleeve 606 is held by hand to stretch and prolong the spring telescopic rod 605, the rotary table 607 carries the positioning column 608 to slide out from the positioning groove 609, at the moment, the spring telescopic rod 605 is rotated to enable the rotary shafts 602 to rotate, the rotary shafts 602 rotate to enable the two rotary shafts 602 to synchronously rotate reversely through the transmission of the gears 604, so that gaps are formed between the baffle 603 and the feeding channel 2, raw materials in the storage hopper 1 enter the mixing drum 4 from the feeding hole 5 under the action of gravity through the gaps, proper gears are selected according to the types of the added raw materials, the positioning column 608 is rotated to an angle corresponding to the gears suitable for the raw materials by rotating the spring telescopic rod 605, the spring telescopic rod 605 is loosened, the rotary table 607 is reset to be pulled into the positioning groove 609, the positioning column 608 is clamped on the corresponding gears, and gaps between the baffle 603 and the inner wall of the feeding channel 2 are kept fixed, and accordingly the raw materials are conveyed into the mixing drum 4 at a uniform speed.

After the raw materials enter the mixing drum 4, the stirring rod 704 moves to hit and stir the raw materials, so that the raw materials are fully mixed, and the uniformly stirred mixed raw materials are discharged from the material injection port 8 and enter the injection molding machine for the injection molding machine through the filter plate 706. The stirring rod 704 rotates around the rotating roller 703 and drives the scraping plate 705 to circularly move so as to scrape the raw materials adhered on the inner wall of the stirring cylinder 4, thereby avoiding excessive raw material adhesion and affecting the operation efficiency of the injection molding machine.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (7)

1. Injection molding machine feed mechanism, including storage hopper (1), its characterized in that: the feeding device is characterized in that a feeding channel (2) is connected to the storage hopper (1), a casing (3) is connected to the feeding channel (2), a stirring cylinder (4) is connected to the feeding channel (2) and the casing (3), a feeding hole (5) is formed in the top surface of the stirring cylinder (4), an adjusting device (6) is arranged on the feeding channel (2) and the casing (3), a stirring device (7) is arranged in the stirring cylinder (4), and a material injection port (8) is connected to the stirring device (7);

adjusting device (6) are including guide block (601), pivot (602), baffle (603), gear (604), spring telescopic link (605), carousel (607), reference column (608), constant head tank (609), guide block (601) are connected on the inner wall of feed channel (2), pivot (602) are connected with feed channel (2) rotation, baffle (603) are connected on pivot (602), gear (604) are connected on pivot (602), spring telescopic link (605) one end is connected with pivot (602), spring telescopic link (605) are connected with casing (3) rotation, carousel (607) are connected on spring telescopic link (605), reference column (608) are connected on carousel (607), constant head tank (609) are seted up on (3), carousel (607) and reference column (608) all set up in constant head tank (609).

2. An injection molding machine feed mechanism as claimed in claim 1, wherein: agitating unit (7) are including motor (701), bull stick (702), roller (703), puddler (704), scraper blade (705), filter (706), motor (701) are connected on cover shell (3), bull stick (702) one end is connected with motor (701), roller (703) are connected on bull stick (702), puddler (704) are connected on roller (703), scraper blade (705) are connected on puddler (704), filter (706) are connected in cover shell (3).

3. An injection molding machine feed mechanism as claimed in claim 1, wherein: the top surface of the guide block (601) is obliquely arranged towards two sides, two concave cambered surfaces are symmetrically arranged on the bottom surface of the guide block (601), and the diameter of each concave cambered surface is equal to the length of the baffle plate (603).

4. An injection molding machine feed mechanism as claimed in claim 1, wherein: when the rotating shaft (602) is in a vertical state, the channel section formed by the rotating shaft (602) and the inner wall of the feeding channel (2) is completely overlapped with the section horizontal projection of the feeding hole (5).

5. An injection molding machine feed mechanism as claimed in claim 1, wherein: the number of the rotating shafts (602), the baffles (603) and the gears (604) is two, the two rotating shafts (602) are in transmission connection through the two gears (604), and when the two baffles (603) are in a horizontal state, the body section spliced by the two baffles (603) is completely equal to the inner section of the feeding channel (2).

6. An injection molding machine feed mechanism as claimed in claim 1, wherein: the adjusting device (6) further comprises a rubber sleeve (606), and the rubber sleeve (606) is fixedly sleeved on one end of the spring telescopic rod (605) located outside the casing (3).

7. An injection molding machine feed mechanism as claimed in claim 1, wherein: the positioning groove (609) is characterized in that positioning baffle openings matched with the positioning columns (608) are uniformly formed in the annular surface of the positioning groove, when the positioning columns (608) are clamped in the horizontal positioning baffle openings, the baffle plate (603) is in a horizontal state, and when the positioning columns (608) are clamped in the vertical positioning baffle openings, the baffle plate (603) is in a vertical state.