PVC automatic metering equipment

By designing a motor-driven transmission column and crank structure vibrating screen, and combining it with a mixing assembly and a motor-controlled discharge port, the problem of difficult screen vibration in traditional PVC metering equipment was solved, improving screening efficiency and material uniformity, and achieving accurate metering.

CN223581145UActive Publication Date: 2025-11-21DONGGUAN RENERGY PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202423262750.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-21
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Traditional PVC metering equipment has difficulty vibrating the screen, which slows down the screening speed and affects screening efficiency and accuracy.

Method used

An automatic PVC metering device was designed. The device uses a motor-driven transmission column and crank structure to vibrate the vibrating frame. Combined with the mixing assembly and motor-controlled opening and closing of the discharge port, it achieves screen vibration and uniform mixing of materials for accurate metering.

Benefits of technology

It improves screening efficiency and accuracy, enhances material uniformity and flowability, and achieves precise discharge control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of PVC material metering, and discloses a PVC automatic metering device which comprises a hopper, the outer wall of the hopper is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a transmission column, the outer walls of the two ends of the transmission column are both fixedly connected with cranks, the inner wall of the hopper is slidably connected with a vibration frame, and the vibration frame is fixedly connected with the transmission column. A movable frame is fixedly connected to the lower surface of the crank, the outer wall of the crank is arranged on the inner wall of the movable frame, side plates are fixedly connected to the outer walls of the two sides of the vibration frame, and the outer walls of the side plates are slidably connected to the inner wall of the hopper. According to the vibrating screen, the first motor is started, the output end of the first motor drives the transmission column to rotate, the transmission column pushes the movable frame to move upwards through the crank, the vibrating frame slides upwards along the inner wall of the hopper, after the crank is separated from the movable frame, the vibrating frame extrudes the spring through the side plate, and vibration is achieved through elastic potential energy of the spring; therefore, the effects of improving the material uniformity and enhancing the screening efficiency are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PVC material metering technical field especially relates to PVC automatic metering equipment. BACKGROUND

[0002] Polyvinyl chloride (PVC) as a kind of widely used general-purpose plastic, in building, medical treatment, packaging and numerous fields all occupy key position, with the demand of various industries to PVC product continues to climb, large-scale and fine production become inevitable trend, PVC metering equipment precision control material feeding quantity, guarantee the accuracy of formula in the production process of various PVC products from pipe to film, promote production efficient, stable operation, fit the demand of modernization industrial large-scale, high-quality output, traditional PVC metering equipment usually directly pours material into hopper and carries out screening and then carries out metering.

[0003] But in the prior art, it is difficult to vibrate the screen, which slows down the screening speed and affects the screening efficiency and screening accuracy. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides PVC automatic metering equipment, aims at improving the problem that it is difficult to vibrate the screen, affects the screening efficiency and screening accuracy.

[0005] In order to achieve the above object, the utility model provides the following technical scheme:

[0006] PVC automatic metering equipment, including hopper, the outer wall of the hopper is fixedly connected with first motor, the output of first motor is fixedly connected with transmission column, the both ends outer wall of transmission column are fixedly connected with crank, the inner wall of hopper is slidably connected with vibrating frame, the lower surface of crank is fixedly connected with movable frame, the outer wall of crank is arranged in the inner wall of movable frame, the both sides outer wall of vibrating frame are fixedly connected with side plate, the inner wall of hopper is slidably connected in the outer wall of side plate, the lower surface of side plate is fixedly connected with spring, the lower surface of spring is fixedly connected in the inner wall of hopper, the inner wall of vibrating frame is fixedly connected with screen, the inner wall of hopper is provided with stirring assembly, the stirring assembly is used to the stirring effect of PVC material.

[0007] Preferably, the stirring assembly comprises a horizontal plate, the outer wall of the horizontal plate is fixedly connected to the inner wall of the hopper, the upper surface of the horizontal plate is fixedly connected with a fixed box, the outer wall of the fixed box is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a first bevel gear, the output end of the first bevel gear is meshedly connected with a second bevel gear, the lower surface of the second bevel gear is rotatably connected to the upper surface of the horizontal plate, the inside of the second bevel gear is slidably connected with a connecting rod, the outer wall of the connecting rod is fixedly connected with a spline, the outer wall of the spline is slidably connected to the inner wall of the second bevel gear, the lower side outer wall of the connecting rod is fixedly connected with a stirring plate, and the outer wall of the stirring plate is slidably connected to the upper surface of the vibrating frame.

[0008] Preferably, the outer wall of the hopper is fixedly connected with a supporting leg, the bottom end of the supporting leg is fixedly connected with a bottom plate, and the upper surface of the bottom plate is provided with a weighing table, and the upper surface of the weighing table is provided with a display.

[0009] Preferably, the outer wall of the supporting leg is fixedly connected with a fixing frame, and the upper surface of the fixing frame is fixedly connected with a third motor.

[0010] Preferably, the output end of the third motor is fixedly provided with a transmission gear, and the outer wall of the transmission gear is rotatably connected to the inner wall of the fixing frame.

[0011] Preferably, the outer wall of the transmission gear is meshedly connected with a rotating gear ring, and the outer wall of the rotating gear ring is rotatably connected to the inner wall of the fixing frame.

[0012] Preferably, the inner wall of the rotating gear ring is meshedly connected with an opening and closing plate, and the opening and closing plate is arranged on the lower surface of the hopper.

[0013] Preferably, the inside of the opening and closing plate is rotatably connected with a support column, and the outer wall of the support column is fixedly connected to the inner wall of the fixing frame.

[0014] The utility model has the advantages of the following:

[0015] 1、in the utility model, the first motor is opened, the output end drives the transmission column to rotate, the transmission column pushes the movable frame up by the crank, makes the vibrating frame slide up along the inner wall of the hopper, when the crank is separated from the movable frame, the vibrating frame extrudes the spring by the side plate, realizes vibration by spring elastic potential energy, so as to vibrate the material on the screen, thereby reaching the effect of improving the uniformity of material, enhancing the screening efficiency.

[0016] 2、in the utility model, the second motor is opened, the output end drives the second bevel gear to rotate through the first bevel gear, the second bevel gear makes the connecting rod rotate by the spline, and the connecting rod drives the stirring plate to rotate on the upper surface of the vibrating frame. When the vibrating frame vibrates in the hopper, the spline ensures the stirring space, thereby reaching the effect of further improving the uniformity of material, optimizing the density uniformity and fluidity.

[0017] 3、The utility model discloses, through the control third motor's opening, drive transmission gear rotation, and transmission gear drive rotation gear ring rotates in fixed frame inner wall, rotation gear ring is driven with the inner wall tooth pattern and drives the opening and closing board to rotate along the support outer wall, thereby control the hopper discharge port opening and closing, thereby reach the effect of accurate measurement and discharge control. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the perspective drawing of PVC automatic metering equipment that the utility model provides;

[0019] Figure 2 It is the transmission column partial structure schematic view of PVC automatic metering equipment that the utility model provides;

[0020] Figure 3 It is the connecting rod partial structure schematic view of PVC automatic metering equipment that the utility model provides;

[0021] Figure 4 It is the opening and closing board partial structure schematic view of PVC automatic metering equipment that the utility model provides.

[0022] Legend:

[0023] 1, hopper;2, first motor;3, transmission column;4, crank;5, vibration frame;6, movable frame;7, side plate;8, spring;9, screen;10, horizontal plate;11, fixed box;12, second motor;13, first bevel gear;14, second bevel gear;15, spline;16, connecting rod;17, stirring board;18, support leg;19, bottom plate;20, weighing platform;21, display;22, fixed frame;23, third motor;24, transmission gear;25, rotation gear ring;26, opening and closing board;27, support column. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Reference Figures 1-3The utility model provides an embodiment: PVC automatic metering equipment, the outer wall of hopper 1 is fixedly connected with first motor 2, the output fixedly connected with transmission column 3 of first motor 2, the both ends outer wall of transmission column 3 are all fixedly connected with crank 4, the inner wall sliding connection of hopper 1 has vibration frame 5, the lower surface fixedly connected with movable rack 6 of crank 4, the inner wall of movable rack 6 is set in the outer wall of crank 4, the both sides outer wall of vibration frame 5 are all fixedly connected with side plate 7, the inner wall of hopper 1 is slidably connected in the outer wall of side plate 7, the lower surface fixedly connected with spring 8 of side plate 7, the inner wall of hopper 1 is fixedly connected in the lower surface of spring 8, the inner wall fixedly connected with screen 9 of vibration frame 5, the inner wall of hopper 1 is provided with stirring subassembly, and stirring subassembly is used for the stirring effect of PVC material.

[0026] Specifically, hopper 1 has the fixed support effect of first motor 2, when the first motor 2 is opened, the output end can drive transmission column 3 to rotate, and hopper 1 can support the rotating position of transmission column 3, and transmission column 3 has the fixed support effect of crank 4, when crank 4 rotates and movable rack 6 is contacted, movable rack 6 can be pushed to move upwards, thereby driving vibration frame 5 to move upwards on the inner wall of hopper 1, and when crank 4 is separated from the inner wall of movable rack 6, the weight of vibration frame 5 drives both ends of side plate 7 to extrude spring 8, which drives vibration frame 5 to vibrate through the reverse force generated by spring 8, and vibration frame 5 has the fixed support effect of screen 9, so that the material on screen 9 can be vibrated, avoiding uneven screening caused by local accumulation of PVC, and enhancing the effect of screening efficiency.

[0027] Refer to Figure 3 The stirring subassembly includes a horizontal plate 10, the outer wall of the horizontal plate 10 is fixedly connected to the inner wall of the hopper 1, the upper surface of the horizontal plate 10 is fixedly connected with a fixed box 11, the outer wall of the fixed box 11 is fixedly connected with a second motor 12, the output end of the second motor 12 is fixedly connected with a first bevel gear 13, the output end of the first bevel gear 13 is meshingly connected with a second bevel gear 14, the lower surface of the second bevel gear 14 is rotatably connected to the upper surface of the horizontal plate 10, the inside of the second bevel gear 14 is slidably connected with a connecting rod 16, the outer wall of the connecting rod 16 is fixedly connected with a spline 15, the outer wall of the spline 15 is slidably connected to the inner wall of the second bevel gear 14, the lower side outer wall of the connecting rod 16 is fixedly connected with a stirring plate 17, and the outer wall of the stirring plate 17 is slidably connected to the upper surface of the vibration frame 5.

[0028] Specifically, the hopper 1 has a fixed support on the horizontal plate 10, and the hopper 1 can place PVC materials in the inside of the hopper 1 through the feeding port on both sides of the horizontal plate 10, and the horizontal plate 10 has a fixed support on the fixed box 11, and the fixed box 11 can fix the position of the second motor 12, and when the second motor 12 is turned on, the output end can drive the first bevel gear 13 to rotate, and the first bevel gear 13 can drive the second bevel gear 14 to rotate through meshing connection, so that the second bevel gear 14 drives the connecting rod 16 to rotate through the spline 15, and the connecting rod 16 has a fixed support on the stirring plate 17, thereby driving the stirring plate 17 to stir the materials in the hopper 1, and the spline 15 can guarantee the stirring movement space of the stirring plate 17.

[0029] With reference to Figure 1 and Figure 4 , the outer wall of the hopper 1 is fixedly connected with a supporting leg 18, the bottom end of the supporting leg 18 is fixedly connected with a bottom plate 19, the upper surface of the bottom plate 19 is provided with a weighing table 20, and the upper surface of the weighing table 20 is provided with a display 21; the outer wall of the supporting leg 18 is fixedly connected with a fixed frame 22, and the upper surface of the fixed frame 22 is fixedly connected with a third motor 23.

[0030] Specifically, the supporting leg 18 has a fixed support on the hopper 1, and the bottom plate 19 can guarantee the stability of the whole equipment, and the weighing table 20 on the bottom plate 19 can measure the weight of the PVC materials discharged from the container, and the display 21 can display the weight value and set the target weight, the supporting leg 18 has a fixed support on the fixed frame 22, and the fixed frame 22 can support the position of the third motor 23 to guarantee the stability of the third motor 23 during operation.

[0031] With reference to Figure 4 , the output end of the third motor 23 is fixedly provided with a transmission gear 24, and the outer wall of the transmission gear 24 is rotatably connected to the inner wall of the fixed frame 22; the outer wall of the transmission gear 24 is meshingly connected with a rotating gear ring 25, and the outer wall of the rotating gear ring 25 is rotatably connected to the inner wall of the fixed frame 22; the inner wall of the rotating gear ring 25 is meshingly connected with an opening and closing plate 26, and the opening and closing plate 26 is arranged on the lower surface of the hopper 1; the inside of the opening and closing plate 26 is rotatably connected with a support column 27, and the outer wall of the support column 27 is fixedly connected to the inner wall of the fixed frame 22.

[0032] Specifically, the third motor 23 is turned on, and the output end of the third motor 23 can drive the transmission gear 24 to rotate, and the fixed frame 22 can support the rotating position of the transmission gear 24, and the transmission gear 24 rotates to drive the rotating gear 25 to rotate through meshing connection, and the fixed frame 22 can support the rotating position of the rotating gear 25, and the teeth on the inner wall of the rotating gear 25 drive the opening and closing plate 26 to rotate through meshing connection, and the opening and closing plate 26 corresponds to the position of the discharge port of the hopper 1, and the rotating position of the opening and closing plate 26 is supported by the support 27, so as to drive the opening and closing plate 26 to open and close the discharge port of the hopper 1, and the weight set by the display 21 can accurately control the discharge amount.

[0033] Working principle: when the device is needed, first, the PVC material to be measured is poured into the hopper 1 from the upper side of the hopper 1, then the first motor 2 is turned on, the output end of the first motor 2 can drive the transmission column 3 to rotate, the transmission column 3 rotates to drive the movable frame 6 to move upward through the crank 4, thereby driving the vibration frame 5 to slide upward on the inner wall of the hopper 1, then after the crank 4 is separated from the inner wall of the movable frame 6, the vibration frame 5 is extruded against the spring 8 through the side plate 7, and the elastic potential energy generated by the spring 8 can drive the vibration frame 5 to vibrate, thereby achieving the effect of vibrating the material on the vibration frame 5, improving the uniformity of the material, and at the same time, the second motor 12 is turned on, the output end of the second motor 12 can drive the second bevel gear 14 to rotate through the first bevel gear 13, and the second bevel gear 14 can drive the connecting rod 16 to rotate through the spline 15, and the connecting rod 16 drives the stirring plate 17 to rotate on the upper surface of the vibration frame 5, and when the vibration frame 5 vibrates in the hopper 1, the stirring space of the stirring plate 17 is ensured through the spline 15, thereby further improving the uniformity of the material, improving the density uniformity of the material, and improving the flow performance of the material, then the third motor 23 is turned on, the output end of the third motor 23 can drive the transmission gear 24 to rotate, the transmission gear 24 can drive the rotating gear 25 to rotate on the inner wall of the fixed frame 22, and when the rotating gear 25 rotates, the teeth on the inner wall of the rotating gear 25 drive the opening and closing plate 26 to rotate on the outer wall of the support 27 to control the opening and closing of the discharge port of the hopper 1, and when the weight of the material in the loading container on the weighing table 20 reaches a certain weight, the opening and closing plate 26 is closed by turning on the third motor 23 in the opposite direction, thereby achieving the effect of measuring and discharging the PVC material, that is, the device not only can vibrate the screen 9 to avoid uneven screening caused by local accumulation of PVC, and enhance the screening efficiency, but also can stir the material to improve the density uniformity of the material and improve the flow performance of the material, and can also achieve the effect of opening and closing the discharge port to achieve accurate measurement and discharge control.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. Automatic metering equipment for PVC, comprising a hopper (1), characterized in that: The outer wall of the hopper (1) is fixedly connected with a first motor (2), the output end of the first motor (2) is fixedly connected with a transmission column (3), the outer walls of both ends of the transmission column (3) are fixedly connected with a crank (4), the inner wall of the hopper (1) is slidably connected with a vibrating frame (5), the lower surface of the crank (4) is fixedly connected with a movable frame (6), the outer wall of the crank (4) is arranged on the inner wall of the movable frame (6), the outer walls of both sides of the vibrating frame (5) are fixedly connected with side plates (7), the inner wall of the hopper (1) is slidably connected with the side plates (7), the lower surface of the side plate (7) is fixedly connected with a spring (8), the lower surface of the spring (8) is fixedly connected to the inner wall of the hopper (1), the inner wall of the vibrating frame (5) is fixedly connected with a screen (9), the inner wall of the hopper (1) is provided with a stirring assembly, and the stirring assembly is used for stirring the PVC material.

2. The PVC automatic metering apparatus of claim 1, wherein: The stirring assembly comprises a horizontal plate (10), the outer wall of the horizontal plate (10) is fixedly connected to the inner wall of the hopper (1), the upper surface of the horizontal plate (10) is fixedly connected with a fixed box (11), the outer wall of the fixed box (11) is fixedly connected with a second motor (12), the output end of the second motor (12) is fixedly connected with a first bevel gear (13), the output end of the first bevel gear (13) is meshedly connected with a second bevel gear (14), the lower surface of the second bevel gear (14) is rotatably connected to the upper surface of the horizontal plate (10), the inside of the second bevel gear (14) is slidably connected with a connecting rod (16), the outer wall of the connecting rod (16) is fixedly connected with a spline (15), the outer wall of the spline (15) is slidably connected to the inner wall of the second bevel gear (14), the lower side of the outer wall of the connecting rod (16) is fixedly connected with a stirring plate (17), and the outer wall of the stirring plate (17) is slidably connected to the upper surface of the vibrating frame (5).

3. The PVC automatic metering apparatus of claim 1, wherein: The outer wall of the hopper (1) is fixedly connected with a supporting leg (18), the bottom end of the supporting leg (18) is fixedly connected with a bottom plate (19), the upper surface of the bottom plate (19) is provided with a weighing table (20), and the upper surface of the weighing table (20) is provided with a display (21).

4. The PVC automatic metering apparatus of claim 3, wherein: The outer wall of the supporting leg (18) is fixedly connected with a fixed frame (22), and the upper surface of the fixed frame (22) is fixedly connected with a third motor (23).

5. The PVC automatic metering apparatus of claim 4, wherein: The output end of the third motor (23) is fixedly provided with a transmission gear (24), and the outer wall of the transmission gear (24) is rotatably connected to the inner wall of the fixed frame (22).

6. The PVC automatic metering apparatus of claim 5, wherein: The outer wall of the transmission gear (24) is meshedly connected with a rotating gear ring (25), and the outer wall of the rotating gear ring (25) is rotatably connected to the inner wall of the fixed frame (22).

7. The PVC automatic metering apparatus of claim 6, wherein: The inner wall of the rotating gear ring (25) is meshedly connected with an opening and closing plate (26), and the opening and closing plate (26) is arranged on the lower surface of the hopper (1).

8. The PVC automatic metering apparatus of claim 7, wherein: The inside of the opening and closing plate (26) is rotatably connected with a support column (27), and the outer wall of the support column (27) is fixedly connected to the inner wall of the fixed frame (22).