Raw material spiral feeding machine for producing medical PVC (polyvinyl chloride) granules

Abstract

The utility model relates to the technical field of PVC granule production spiral feeding machines, in particular to a raw material spiral feeding machine for medical PVC granule production, which comprises a support, a hopper and a guide tube, the hopper is mounted in the support, the guide tube is mounted in the support, the discharge end of the hopper is fixedly connected with the outer circumference of the guide tube, and the discharge end of the hopper is fixedly connected with the outer circumference of the guide tube. The hopper is communicated with the interior of the guide pipe, a feeding mechanism is installed at the end, away from the support, of the guide pipe, the driving end of the feeding mechanism is located in the guide pipe, and an assisting assembly is installed on the surface of the support and comprises a driving unit. According to the utility model, through the arrangement of the assisting assembly, materials at the blanking part can be stirred when the equipment works, so that the problem that the blanking part of the equipment is blocked due to the fact that the materials at the blanking end are stacked in the blanking end under the extrusion of subsequent materials is reduced, and the stability of the equipment in an operation state is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC granule production spiral feeding machine technical field especially relates to a raw material spiral feeding machine for medical PVC granule production. BACKGROUND

[0002] PVC granule production spiral feeding machine is the important auxiliary equipment in PVC granule production process, it is mainly by hopper, spiral shaft, conveying pipe, driving motor and transmission device etc. Component constitutes, and feeding machine can realize continuous feeding operation, reduces the labor intensity and cost of manual carrying, guarantees the continuity and stability of PVC granule production process, improves the automation degree and production efficiency of whole production process, plays the key role in the large-scale production of PVC granule.

[0003] Prior art such as the invention disclosed in the patent with the publication number CN114212467A discloses a raw material spiral feeding machine for medical PVC granule production, which adopts a stable base, a driving mechanism is arranged inside the stable base, a moving mechanism is arranged inside the stable base, a protection mechanism is arranged on the top of the stable base, the left side of the protection mechanism is communicated with a storage mechanism fixedly connected with the stable base at one end, a positioning mechanism is movably installed on the top of the protection mechanism, the positioning mechanism comprises a positioning plate and a fastening bolt, the positioning plate is fixedly installed on the top of the protection mechanism, which solves the problem that the existing spiral feeding machine is difficult to clean the inside, and the powdery raw materials are easy to accumulate in the equipment gap, causing the machine to jam, even damaged, reducing the service life of the spiral feeding machine.

[0004] In the process of conveying the raw materials for PVC granule production by the feeding machine, there are some spiral feeding machines on the market, when feeding, the hopper and the pipeline are connected through a discharge pipe, due to the small diameter of the discharge pipe, when there is more material in the hopper, the material passing through the discharge pipe will be accumulated in the discharge pipe under the extrusion of the weight of the material in the hopper, which is easy to cause the discharge pipe to be blocked, causing the feeding machine to malfunction. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that in the prior art, when there is more material in the hopper, the material passing through the discharge pipe will be accumulated in the discharge pipe under the extrusion of the weight of the material in the hopper, which is easy to cause the discharge pipe to be blocked, causing the feeding machine to malfunction, and proposes a raw material spiral feeding machine for medical PVC granule production.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a raw material spiral feeding machine for medical PVC granules production, including support, hopper and guide pipe, the hopper is installed in the inside of support, the guide pipe is installed in the inside of support, the hopper's discharge end is fixedly connected with the outer circumference of guide pipe, the inside of hopper and guide pipe is linked together, the one end away from support of guide pipe is installed with feeding mechanism, the drive end of feeding mechanism is located in the inside of guide pipe, the surface of support is installed with assisting assembly, the assisting assembly includes drive unit, the drive unit includes servo motor, the servo motor is installed in the inside of support, the drive end of servo motor is installed with carousel, the side fixedly connected with connecting shaft of carousel away from servo motor, the arc surface rotation is connected with connecting arm of connecting shaft, the one end rotation is connected with the link frame of connecting arm away from connecting shaft, the side surface fixedly connected with the positioning sleeve of link frame,

[0007] The assisting assembly further includes a dredging unit, the dredging unit includes a push rod, the push rod is rotatably connected with the inner wall of the positioning sleeve, the arc surface of the push rod is provided with a groove, the inner wall of the groove of the push rod is fixedly connected with an agitating sleeve, the outer arc surface of the discharge end of the hopper is fixedly connected with a guide cylinder, the arc surface of the push rod is fixedly connected with a protrusion, and the protrusion is slidably connected with the inner wall of the guide cylinder.

[0008] Preferably, the inner side of the support is fixedly connected with a fixing frame, the side surface of the fixing frame is fixedly connected with an assembly plate, and the assembly plate is fixedly connected with the side surface of the servo motor. Through the cooperation of the fixing frame and the assembly plate, the position of the servo motor can be supported and fixed, so as to ensure the stability of the servo motor in the running state.

[0009] Preferably, the outer arc surface of the discharge end of the hopper is fixedly connected with a limiting ring, and the limiting ring is sleeved with the surface of the agitating sleeve. Through the agitating sleeve, the material in the discharge end of the hopper can be agitated under the driving of the push rod, so as to reduce the probability of material accumulation in the discharge end of the hopper.

[0010] Preferably, the drive end of the servo motor penetrates through the side surface of the assembly plate, and the two ends of the connecting arm are arc-shaped. Through the servo motor, the carousel can be driven to rotate in the electrified state, so that the carousel can drive the connecting arm to rotate in cooperation with the connecting shaft.

[0011] Preferably, the one end of the push rod away from the positioning sleeve is located in the inside of the guide cylinder, and the push rod penetrates through the outer arc surface of the hopper. Through the push rod, the agitating cylinder can be moved in the discharge end of the hopper under the left and right of the positioning sleeve reciprocating horizontal movement.

[0012] Preferably, the guide cylinder is connected with the interior of the discharge end of the hopper, and the push rod can be guided during movement of the push rod through cooperation of the guide cylinder and the protrusion, so that the push rod can rotate.

[0013] Preferably, the limiting ring is connected with the interior of the discharge end of the hopper, and the side of the push rod close to the positioning sleeve can be supported through the limiting ring, and the movement direction of the positioning sleeve can be guided.

[0014] Compared with the prior art, the device has the advantages and positive effects that:

[0015] In the device, the assisting assembly is arranged, so that the material at the discharging position can be stirred when the device is working, thereby reducing the problem that the material at the discharging end is accumulated in the interior of the discharging end under extrusion of subsequent material, causing blockage of the discharging position of the device, and further improving the stability of the device in the running state. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective structural schematic view of the raw material spiral feeding machine for medical PVC granular material production is provided for the device.

[0017] Figure 2 A bottom view structural schematic view of the raw material spiral feeding machine for medical PVC granular material production is provided for the device.

[0018] Figure 3 An assisting assembly structural schematic view of the raw material spiral feeding machine for medical PVC granular material production is provided for the device.

[0019] Figure 4 A rear view structural schematic view of the assisting assembly of the raw material spiral feeding machine for medical PVC granular material production is provided for the device.

[0020] Figure 5 A partial structural schematic view of the raw material spiral feeding machine for medical PVC granular material production is provided for the device.

[0021] LEGEND:

[0022] 1, support; 2, hopper; 3, guide pipe; 4, feeding mechanism; 5, assisting assembly; 51, driving unit; 511, fixed frame; 512, assembly plate; 513, servo motor; 514, turntable; 515, connecting shaft; 516, connecting arm; 517, linking frame; 518, positioning sleeve; 52, dredging unit; 521, push rod; 522, stirring sleeve; 523, limiting ring; 524, guide cylinder; 525, protrusion. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-5The utility model provides a technical scheme: a raw material spiral feeding machine for medical PVC granule production, including support 1, hopper 2 and guide pipe 3, hopper 2 is installed in the inside of support 1, guide pipe 3 is installed in the inside of support 1, the blanking end of hopper 2 is fixedly connected with the outer circumference of guide pipe 3, the inside of hopper 2 is connected with the inside of guide pipe 3, the one end away from support 1 of guide pipe 3 is installed with feeding mechanism 4, and the driving end of feeding mechanism 4 is located in the inside of guide pipe 3, and the surface of support 1 is installed with assisting assembly 5.

[0024] In the embodiment: assisting assembly 5 includes drive unit 51, and drive unit 51 includes servo motor 513, and servo motor 513 is installed in the inside of support 1, and the driving end of servo motor 513 is installed with turntable 514, and the side fixedly connected with connecting shaft 515 of turntable 514 away from servo motor 513, and the arc surface rotationally connected with connecting arm 516 of connecting shaft 515, and the one end rotationally connected with link frame 517 of connecting arm 516 away from connecting shaft 515, and the side surface fixedly connected with positioning sleeve 518 of link frame 517;

[0025] Assisting assembly 5 still includes dredging unit 52, and dredging unit 52 includes push rod 521, and push rod 521 is rotationally connected with the inner wall of positioning sleeve 518, and the arc surface of push rod 521 is provided with recess, and push rod 521 is fixedly connected with agitating sleeve 522 in the inner wall of recess, and the outer arc surface of hopper 2 blanking end is fixedly connected with guide cylinder 524, and the arc surface of push rod 521 is fixedly connected with lug 525, and lug 525 is slidingly connected with the inner wall of guide cylinder 524.

[0026] Specifically, the inner side of the support 1 is fixedly connected with a fixed frame 511, and the side surface of the fixed frame 511 is fixedly connected with an assembly plate 512, and the assembly plate 512 is fixedly connected with the side surface of the servo motor 513.

[0027] Specifically, the outer arc surface of the blanking end of the hopper 2 is fixedly connected with a limiting ring 523, and the limiting ring 523 is sleeved with the surface of the agitating sleeve 522.

[0028] In the embodiment: through the agitating sleeve 522, the material in the blanking end of the hopper 2 can be agitated under the driving of the push rod 521, so as to reduce the probability of material accumulation in the blanking end of the hopper 2.

[0029] Specifically, the driving end of the servo motor 513 penetrates the side surface of the assembly plate 512, and the two ends of the connecting arm 516 are arc-shaped, and the servo motor 513 can drive the turntable 514 to rotate under the electrified state, so that the turntable 514 can drive the connecting arm 516 to rotate with the connecting shaft 515.

[0030] In the embodiment: the push rod 521 is located inside the guide cylinder 524 away from the one end of the positioning tube sleeve, and the push rod 521 penetrates the outer arc surface of the hopper 2.

[0031] In the embodiment: the push rod 521 can move reciprocatingly in the left and right of the positioning sleeve 518 to drive the stirring cylinder to move in the discharging end of the hopper 2.

[0032] Specifically, the guide cylinder 524 is connected with the inside of the discharging end of the hopper 2, and the push rod 521 can be guided in the process of moving through the cooperation of the guide cylinder 524 and the protrusion 525, so that the push rod 521 can rotate.

[0033] Specifically, the limiting ring 523 is connected with the inside of the discharging end of the hopper 2.

[0034] In the embodiment: the push rod 521 can be supported on the side close to the positioning sleeve 518 through the limiting ring 523, and the moving direction of the positioning tube sleeve can be guided.

[0035] Working principle: when the device is used for feeding, the raw materials are injected into the hopper 2, and the feeding mechanism 4 is connected to the power supply, the motor on the feeding mechanism 4 works and drives the threaded rod located in the guide pipe 3, the threaded rod is driven to rotate, and at the same time the materials in the hopper 2 are guided into the guide pipe 3 through the hopper 2, the threaded rod will lift the materials in the guide pipe 3 to a high place and send them into the processing equipment in the process of rotating; when the device is working, the servo motor 513 is connected to the power supply, the servo motor 513 is powered to drive the turntable 514, the turntable 514 cooperates with the connecting shaft 515 to push the connecting arm 516 clockwise, the connecting arm 516 pulls the link frame 517 in the process of rotating, the link frame 517 cooperates with the positioning sleeve 518 to pull the push rod 521 reciprocatingly in the transverse direction, the push rod 521 moves in the transverse direction and pushes the stirring sleeve 522, the protrusion 525 cooperates with the guide hole on the guide cylinder 524 when the push rod 521 moves, so that the push rod 521 rotates when moving transversely, at the same time the stirring sleeve 522 is driven to rotate and stirs the materials in the discharging end of the hopper 2, through the setting of the assisting assembly 5, the device can stir the materials in the discharging position when working, thereby reducing the problem that the materials in the discharging end are accumulated in the inside of the discharging end under the extrusion of the subsequent materials, causing the discharging position of the device to be blocked, and further improving the stability of the device in the running state.

Claims

1. A raw material screw feeder for medical PVC pellet production, comprising a support (1), a hopper (2) and a guide pipe (3), characterized in that: The hopper (2) is installed inside the support (1), the guide pipe (3) is installed inside the support (1), the lower end of the hopper (2) is fixedly connected with the outer circumference of the guide pipe (3), the hopper (2) is communicated with the inside of the guide pipe (3), the end, away from the support (1), of the guide pipe (3) is provided with a feeding mechanism (4), the driving end of the feeding mechanism (4) is located inside the guide pipe (3), the surface of the support (1) is provided with an assisting assembly (5), the assisting assembly (5) comprises a driving unit (51), the driving unit (51) comprises a servo motor (513), the servo motor (513) is installed inside the support (1), the driving end of the servo motor (513) is provided with a rotating disc (514), one side, away from the servo motor (513), of the rotating disc (514) is fixedly connected with a connecting shaft (515), the arc surface of the connecting shaft (515) is rotatably connected with a connecting arm (516), one end, away from the connecting shaft (515), of the connecting arm (516) is rotatably connected with a connecting frame (517), the side surface of the connecting frame (517) is fixedly connected with a positioning sleeve (518); The assisting assembly (5) further comprises a dredging unit (52), the dredging unit (52) comprises a push rod (521), the push rod (521) is rotatably connected with the inner wall of the positioning sleeve (518), the arc surface of the push rod (521) is provided with a groove, the inner wall of the groove of the push rod (521) is fixedly connected with an agitating sleeve (522), the outer arc surface of the lower end of the hopper (2) is fixedly connected with a guide cylinder (524), the arc surface of the push rod (521) is fixedly connected with a protrusion (525), and the protrusion (525) is slidably connected with the inner wall of the guide cylinder (524).

2. The raw material spiral feeding machine for producing medical PVC granules according to claim 1, characterized in that: The inner side of the support (1) is fixedly connected with a fixing frame (511), the side surface of the fixing frame (511) is fixedly connected with an assembling plate (512), and the side surface of the servo motor (513) is fixedly connected with the assembling plate (512).

3. The raw material screw feeder for producing medical PVC granules according to claim 1, characterized in that: The outer arc surface of the lower end of the hopper (2) is fixedly connected with a limiting ring (523), and the limiting ring (523) is sleeved with the surface of the agitating sleeve (522).

4. The raw material screw feeder for producing medical PVC granules according to claim 1, characterized in that: The driving end of the servo motor (513) penetrates through the side surface of the assembling plate (512), and the two ends of the connecting arm (516) are both arranged in an arc shape.

5. The raw material screw feeder for producing medical PVC granules according to claim 1, characterized in that: The end, away from the positioning sleeve, of the push rod (521) is located inside the guide cylinder (524), and the push rod (521) penetrates through the outer arc surface of the hopper (2).

6. The raw material screw feeder for producing medical PVC granules according to claim 1, characterized in that: The guide cylinder (524) is communicated with the inside of the lower end of the hopper (2).

7. The raw material screw feeder for producing medical PVC granules according to claim 3, characterized in that: The limiting ring (523) is communicated with the inside of the lower end of the hopper (2). The limiting ring (523) is communicated with the inside of the lower end of the hopper (2).

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