Feeding mechanism of injection blowing hollow forming machine

Abstract

The utility model relates to the technical field of injection blow molding, in particular to a feeding mechanism of an injection blow hollow molding machine, which comprises a hopper, a top opening of the hopper is movably connected with a cover plate, a shaking mechanism is arranged at the bottom end of the hopper, and a stirring mechanism is arranged on the top surface of the cover plate. Materials are added into the hopper and covered with the cover plate, the electric push rod is started to abut against the ejector block through the buckle plate so that the sliding block can be embedded into the notch, the ejector block moves to the position below the fixing ring to abut against the synchronous inclined part of the fixing ring and the hopper, and the driving motor is started to drive the gear ring and the ejector block to rotate. A hydraulic cylinder is started to drive a sliding rod to vertically slide in a reciprocating manner, and meanwhile, a convex block moves along a spiral groove to drive the sliding rod to rotate in a reciprocating manner, so that a fixed rod and a licker-in stir materials in the hopper, and the sliding rod abuts against the materials to directly pass through a connecting pipe when moving; or the materials pass through the connecting pipe through a cavity formed by pulling away the sliding rod, so that accumulation and blockage of the materials are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of injection blow molding, in particular to a feeding mechanism of an injection blow hollow molding machine. Background Art

[0002] Blow molding refers to the process of melting plastic and injecting it into a mold, and then using high-pressure gas to inject gas into the mold so that the material inside the mold sticks to the inner wall of the mold, and the inside of the material is hollow. After the material inside the mold cools down, a hollow product can be obtained. The injection blow molding machine is a production equipment that uses an injection molding machine to melt plastic and inject it into the mold, and uses blow molding to obtain the product. Generally, materials are added to injection blow molding equipment through a hopper. However, since the materials are generally plastic particles, some types of plastic particles may cause a certain adhesion on the surface of the plastic particles due to improper temperature and storage environment, resulting in blockage or accumulation of materials inside the hopper, which is inconvenient. Generally, hoppers have a large top and a small bottom structure. Some plastic particles may be stuck at the bottom of the hopper with other plastic particles due to their own surface gaps, scratches, etc., resulting in material blockage and accumulation, which is inconvenient. Utility Model Content

[0003] The purpose of the utility model is to provide a feeding mechanism for an injection blow molding machine to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A feeding mechanism of an injection blow molding machine comprises a hopper, and a cover plate is movably connected to the top opening of the hopper, a shaking mechanism is arranged at the bottom end of the hopper, and a stirring mechanism is arranged on the top surface of the cover plate, and the shaking mechanism is matched with a driving mechanism;

[0006] The shaking mechanism includes a connecting pipe, and the connecting pipe is located below the bottom end of the hopper, a rubber tube is fixedly connected between the top end of the connecting pipe and the bottom end of the hopper, and the interior of the connecting pipe, the interior of the rubber tube and the interior of the hopper are all connected, a ring body is fixedly sleeved on the top end of the outer wall of the connecting pipe, a fixing ring is fixedly sleeved on the bottom end of the outer wall of the hopper, and a plurality of return springs are fixedly connected between the bottom surface of the fixing ring and the top surface of the ring body.

[0007] Furthermore, a plurality of support rods are fixedly connected to the top surface of the fixing ring, and the bottom ends of the plurality of support rods are close to the outer edge of the fixing ring, and the top ends of the plurality of support rods are fixedly connected to the outer side wall of the hopper.

[0008] Furthermore, the driving mechanism includes a top block, an annular slide groove is provided on the top surface of the ring body, and a movable groove is provided on the outer wall of the ring body, the interior of the movable groove is connected with the interior of the annular slide groove, a slider is fixedly connected to the bottom end of the top block, and the slider is movably embedded in the annular slide groove and the movable groove, a gear ring is rotatably clamped inside the annular slide groove, and a notch is provided on the outer wall of the gear ring, and the slider is movably embedded in the notch.

[0009] Furthermore, an L-shaped plate is fixedly connected to the outer wall of the ring body, and an electric push rod is fixedly connected to the short arm of the L-shaped plate, a buckle plate is fixedly connected to the movable end of the electric push rod, a buckle groove is opened on one side of the top block, and the buckle plate is movably clamped in the buckle groove.

[0010] Furthermore, one side of the top block is triangular.

[0011] Furthermore, a rectangular groove is formed on the outer wall of the ring body, and a driving box is fixedly connected to the bottom surface of the ring body, a driving motor is arranged inside the driving box, and a motor shaft of the driving motor passes through the bottom surface of the rectangular groove and is fixedly sleeved with a gear, the inside of the rectangular groove is connected with the inside of the annular slide groove, and the gear is meshed with the gear ring.

[0012] Furthermore, the stirring mechanism includes a cylinder, and the top end of the cylinder is fixedly connected to the bottom surface of the cover plate, a sliding rod is slidably sleeved inside the cylinder, a U-shaped frame is fixedly connected to the top surface of the cover plate, and a hydraulic cylinder is fixedly connected to the top surface of the U-shaped frame, the movable end of the hydraulic cylinder passes through the top surface of the cover plate and is rotatably connected to the top end of the sliding rod, a spiral groove is provided on the inner wall of the cylinder, and a protrusion is fixedly connected to the outer wall of the sliding rod, the protrusion is slidably engaged in the spiral groove, a plurality of fixed rods are fixedly connected to the outer wall of the sliding rod, and a plurality of fixed rods are rotatably sleeved with rollers on their outer walls.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The material is added into the hopper and the cover is closed, and then the user starts the electric push rod to move through the buckle plate to contact the top block, so that the slider is embedded in the notch, and the top block moves to the bottom of the fixed ring to contact the fixed ring and the synchronously inclined part of the hopper, and then the driving motor is started to drive the gear ring to rotate. The gear ring drives the top block to move along the annular slide groove by contacting the slider, so that the top block contacts various places on the bottom surface of the fixed ring in turn when moving, thereby changing the inclination angle of the hopper and making the hopper shake. The hydraulic cylinder is started to drive the slide bar to slide back and forth vertically, and at the same time, the convex block moves along the spiral groove to drive the slide bar to rotate back and forth, so that the multiple fixed rods and rollers on the slide bar stir the material inside the hopper, and the slide bar can contact the material to pass directly through the connecting pipe when moving back and forth vertically, or the material can pass through the connecting pipe naturally through the hole formed by the withdrawal of the slide bar, thereby reducing the accumulation and blockage of materials inside the hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is an exploded diagram of the shaking mechanism structure in the utility model;

[0017] Figure 3 It is an exploded diagram of the driving mechanism structure in the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the stirring mechanism in the utility model;

[0019] Figure 5 It is a schematic diagram of the internal structure of the cylinder in the utility model.

[0020] In the figure: 100, hopper; 110, cover plate; 200, shaking mechanism; 210, connecting pipe; 211, rubber tube; 220, ring body; 221, annular slide groove; 222, movable groove; 230, fixed ring; 231, return spring; 232, support rod; 300, stirring mechanism; 310, cylinder body; 311, spiral groove; 320, slide rod; 321, convex block; 330, fixed rod; 331, licker-in roller; 340, hydraulic cylinder; 400, driving mechanism; 410, top block; 411, buckle groove; 412, slider; 420, electric push rod; 421, buckle plate; 430, gear ring; 431, notch; 440, driving box; 441, gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 5 In an embodiment of the utility model, a feeding mechanism of an injection blow molding machine includes a hopper 100, and the top opening of the hopper 100 is movably connected with a cover plate 110, a shaking mechanism 200 is arranged at the bottom of the hopper 100, and a stirring mechanism 300 is arranged on the top surface of the cover plate 110, and the shaking mechanism 200 is equipped with a driving mechanism 400;

[0023] The shaking mechanism 200 includes a connecting tube 210, and the connecting tube 210 is located below the bottom end of the hopper 100, a rubber tube 211 is fixedly connected between the top end of the connecting tube 210 and the bottom end of the hopper 100, and the interior of the connecting tube 210, the interior of the rubber tube 211 and the interior of the hopper 100 are all connected, a ring body 220 is fixedly sleeved on the top end of the outer wall of the connecting tube 210, a fixing ring 230 is fixedly sleeved on the bottom end of the outer wall of the hopper 100, and a plurality of return springs 231 are fixedly connected between the bottom surface of the fixing ring 230 and the top surface of the ring body 220.

[0024] Specifically, a flange is fixedly sleeved at the bottom end of the connecting pipe 210 for connecting to the feed port of the injection blow molding machine. After the connecting pipe 210 is connected to the machine body, the material is added to the inside of the hopper 100, and the cover plate 110 can be screwed onto the top of the hopper 100. In the initial state, the fixing ring 230 and the ring body 220 are kept parallel under the support of multiple return springs 231, and then the user can start the stirring mechanism 300 to guide the material inside the hopper 100, and the user can start the driving mechanism 400 to contact the fixing ring 230 so that one side of the fixing ring 230 is lifted, and the fixing ring 230 drives the hopper 100. Tilt to one side, and rotate the driving mechanism 400 in a circle to successively contact the fixing ring 230 so that the fixing ring 230 is lifted at various locations, so that the hopper 100 changes its tilting direction synchronously with the fixing ring 230 being lifted at various locations, so that the hopper 100 shakes, and while the hopper 100 shakes, the stirring mechanism 300 is coordinated, so that the material can more easily enter the machine body through the connecting pipe 210 due to the shaking of the hopper 100, thereby reducing the accumulation and blockage of the material inside the hopper 100. When the driving mechanism 400 is reset, the fixing ring 230 will be pulled by the multiple reset springs 231 to return to a state parallel to the ring body 220.

[0025] Embodiment 1

[0026] like Figure 1-2 As shown, in this embodiment, a plurality of support rods 232 are fixedly connected to the top surface of the fixing ring 230 , and the bottom ends of the plurality of support rods 232 are close to the outer ring edge of the fixing ring 230 , and the top ends of the plurality of support rods 232 are fixedly connected to the outer wall of the hopper 100 .

[0027] In this embodiment, the connection between the fixing ring 230 and the hopper 100 is made more stable by a plurality of supporting rods 232, thereby improving the stability of the hopper 100 when it shakes.

[0028] like Figure 3As shown, in this embodiment, the driving mechanism 400 includes a top block 410, an annular groove 221 is provided on the top surface of the ring body 220, and a movable groove 222 is provided on the outer wall of the ring body 220, the interior of the movable groove 222 is connected to the interior of the annular groove 221, a slider 412 is fixedly connected to the bottom end of the top block 410, and the slider 412 is movably embedded in the annular groove 221 and the movable groove 222, a gear ring 430 is rotatably connected to the interior of the annular groove 221, and a notch 431 is provided on the outer wall of the gear ring 430, the slider 412 is movably embedded in the notch 431, and an L-shaped plate is fixedly connected to the outer wall of the ring body 220, and The short arm of the L-shaped plate is fixedly connected with an electric push rod 420, and the movable end of the electric push rod 420 is fixedly connected with a buckle plate 421. A buckle groove 411 is opened on one side of the top block 410, and the buckle plate 421 is movably engaged in the buckle groove 411. A rectangular groove is opened on the outer wall of the ring body 220, and a driving box 440 is fixedly connected to the bottom surface of the ring body 220. A driving motor is arranged inside the driving box 440, and the motor shaft of the driving motor passes through the bottom surface of the rectangular groove and is fixedly sleeved with a gear 441. The inside of the rectangular groove is connected with the inside of the annular slide groove 221, and the gear 441 is meshed with the gear ring 430. One side of the top block 410 is a triangle.

[0029] In the specific implementation, in the initial state, the buckle plate 421 is stuck in the buckle groove 411, the buckle groove 411 is an L-shaped through hole, the buckle plate 421 is U-shaped, and one arm of the buckle plate 421 is stuck in the buckle groove 411, so that when the electric push rod 420 is started, the buckle plate 421 can pull or push the top block 410 to move through the buckle groove 411, and the slider 412 is located in the movable groove 222, and the top block 410 does not contact the fixed ring 230. When the hopper 100 needs to shake, the electric push rod 420 is started, so that the buckle plate 421 drives the top block 410 to move through the buckle groove 411, so that the top block 410 contacts the fixed ring 230 and moves to the bottom of the fixed ring 230, so that the fixed ring 230 and the hopper 100 are tilted synchronously, and the top block 410 drives the slider 412 to move to the inside of the annular slide groove 221 and embeds into the notch 431, and then the drive motor is started to make the gear 441 The gear ring 430 is driven to rotate, so that the gear ring 430 abuts against the slider 412 to drive the top block 410 to rotate along the annular groove 221, so that when the top block 410 moves along the annular groove 221, it successively abuts against various places of the fixed ring 230 to change the inclination direction of the fixed ring 230 and the hopper 100, causing the hopper 100 to shake. When the top block 410 moves along the annular groove 221, the buckle plate 421 will naturally disengage from the buckle groove 411. When it is necessary to stop the shaking of the hopper 100, the gear ring 430 is started to rotate to its original position, so that the buckle plate 421 is naturally stuck in the buckle groove 411, and then the electric push rod 420 is started to make the buckle plate 421 pull the top block 410 to reset, so that the top block 410 is disengaged from the fixed ring 230, and then the fixed ring 230 is pulled back to reset by the adjacent reset spring 231. The top block 410 is a triangular plate-shaped structure, which is convenient for the top end of the top block 410 to move to the bottom of the fixed ring 230.

[0030] Embodiment 2

[0031] On the basis of the first embodiment, the stirring mechanism 300 is provided to improve the effect of guiding the materials.

[0032] like Figure 4-5 As shown, in the present embodiment, the stirring mechanism 300 includes a cylinder 310, and the top end of the cylinder 310 is fixedly connected to the bottom surface of the cover plate 110, a slide rod 320 is slidably sleeved inside the cylinder 310, a U-shaped frame is fixedly connected to the top surface of the cover plate 110, and a hydraulic cylinder 340 is fixedly connected to the top surface of the U-shaped frame, the movable end of the hydraulic cylinder 340 passes through the top surface of the cover plate 110 and is rotatably connected to the top end of the slide rod 320, a spiral groove 311 is provided on the inner wall of the cylinder 310, and a protrusion 321 is fixedly connected to the outer wall of the slide rod 320, the protrusion 321 is slidably engaged in the spiral groove 311, a plurality of fixed rods 330 are fixedly connected to the outer wall of the slide rod 320, and a plurality of fixed rods 330 are rotatably sleeved on the outer walls thereof.

[0033] In specific implementation, after the cover plate 110 is screwed onto the top opening of the hopper 100, the user can start the reciprocating movement of the movable end of the hydraulic cylinder 340, so that the hydraulic cylinder 340 drives the bottom end of the slide rod 320 to reciprocate between the bottom end of the hopper 100 and the rubber tube 211. When partial adhesion occurs between the materials, the pulling of the bottom end of the slide rod 320 can directly resist the material from passing through the connecting tube 210, and when the material is naturally stuck at the bottom end of the hopper 100 or inside the connecting tube 210 due to the corners, the slide rod 320 is pulled back to make the outer wall of the slide rod 320 drive the material to move, thereby destroying the stability between the stuck materials. The sliding rod 320 is provided with a plurality of fixing rods 330 and licker-in rollers 331 on the sliding rod 320, so that the materials in the hopper 100 can be naturally loosened and fall through the connecting pipe 210 after being stuck, and the whole swaying of the hopper 100 can be cooperated with, so that the materials can be naturally loosened and fall through the connecting pipe 210 after being stuck, and when the sliding rod 320 is driven by the hydraulic cylinder 340 to move back and forth vertically, the protrusion 321 on the sliding rod 320 can move along the spiral groove 311, thereby driving the sliding rod 320 to rotate synchronously, so that the plurality of fixing rods 330 and the licker-in rollers 331 on the sliding rod 320 can stir the materials in the hopper 100 with the rotation and vertical movement of the sliding rod 320, thereby reducing the accumulation and blockage of the materials.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A feeding mechanism of an injection blow molding machine, comprising a hopper (100), wherein the top opening of the hopper (100) is movably connected to a cover plate (110), characterized in that: The bottom end of the hopper (100) is provided with a shaking mechanism (200), and the top surface of the cover plate (110) is provided with a stirring mechanism (300), and the shaking mechanism (200) is matched with a driving mechanism (400); The shaking mechanism (200) comprises a connecting pipe (210), and the connecting pipe (210) is located below the bottom end of the hopper (100); a rubber tube (211) is fixedly connected between the top end of the connecting pipe (210) and the bottom end of the hopper (100); the interior of the connecting pipe (210), the interior of the rubber tube (211) and the interior of the hopper (100) are all connected; a ring body (220) is fixedly sleeved on the top end of the outer wall of the connecting pipe (210); a fixing ring (230) is fixedly sleeved on the bottom end of the outer wall of the hopper (100); and a plurality of return springs (231) are fixedly connected between the bottom surface of the fixing ring (230) and the top surface of the ring body (220).

2. The feeding mechanism of the injection blow molding machine according to claim 1, characterized in that: A plurality of support rods (232) are fixedly connected to the top surface of the fixing ring (230), and the bottom ends of the plurality of support rods (232) are close to the outer ring edge of the fixing ring (230), and the top ends of the plurality of support rods (232) are fixedly connected to the outer side wall of the hopper (100).

3. The feeding mechanism of the injection blow molding machine according to claim 2, characterized in that: The driving mechanism (400) comprises a top block (410), an annular groove (221) is provided on the top surface of the ring body (220), and a movable groove (222) is provided on the outer wall of the ring body (220), the interior of the movable groove (222) is connected with the interior of the annular groove (221), a slider (412) is fixedly connected to the bottom end of the top block (410), and the slider (412) is movably embedded in the annular groove (221) and the movable groove (222), a gear ring (430) is rotatably engaged in the interior of the annular groove (221), and a notch (431) is provided on the outer wall of the gear ring (430), and the slider (412) is movably embedded in the notch (431).

4. The feeding mechanism of the injection blow molding machine according to claim 3, characterized in that: The outer wall of the ring body (220) is fixedly connected to an L-shaped plate, and the short arm of the L-shaped plate is fixedly connected to an electric push rod (420), the movable end of the electric push rod (420) is fixedly connected to a buckle plate (421), a buckle groove (411) is provided on one side of the top block (410), and the buckle plate (421) is movably engaged in the buckle groove (411).

5. The feeding mechanism of the injection blow molding machine according to claim 4, characterized in that: One side of the top block (410) is triangular.

6. The feeding mechanism of the injection blow molding machine according to claim 5, characterized in that: The outer wall of the ring body (220) is provided with a rectangular groove, and the bottom surface of the ring body (220) is fixedly connected to a driving box (440), a driving motor is arranged inside the driving box (440), and the motor shaft of the driving motor passes through the bottom surface of the rectangular groove and is fixedly sleeved with a gear (441), the inside of the rectangular groove is connected to the inside of the annular slide groove (221), and the gear (441) is meshed with the gear ring (430).

7. A feeding mechanism for an injection blow molding machine according to claim 6, characterized in that: The stirring mechanism (300) comprises a cylinder (310), and the top end of the cylinder (310) is fixedly connected to the bottom surface of the cover plate (110), a sliding rod (320) is slidably sleeved inside the cylinder (310), the top surface of the cover plate (110) is fixedly connected to a U-shaped frame, and the top surface of the U-shaped frame is fixedly connected to a hydraulic cylinder (340), the movable end of the hydraulic cylinder (340) passes through the top surface of the cover plate (110) and is rotatably connected to the top end of the sliding rod (320), the inner side wall of the cylinder (310) is provided with a spiral groove (311), and the outer side wall of the sliding rod (320) is fixedly connected to a protrusion (321), and the protrusion (321) is slidably engaged in the spiral groove (311), and the outer side wall of the sliding rod (320) is fixedly connected to a plurality of fixed rods (330), and the outer side walls of the plurality of fixed rods (330) are all rotatably sleeved with a licker-in roller (331).

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