Quantitative adding device for plastic stirring machine

Abstract

The utility model provides a quantitative adding device for a plastic stirring machine, which belongs to the technical field of plastic production and aims to solve the problems that the overload phenomenon of a sensor in a specific area is easily caused and the service life of a weight sensor is influenced due to the accumulation of materials in the specific area of a weighing platform, the quantitative adding device comprises a storage hopper, and a limiting guide frame is arranged below the storage hopper in a sliding manner; the feeding pipe is fixedly connected to the outer side of the bottom end face of the storage hopper, and a feeding control valve is arranged at the inner end of the feeding pipe; the distributing auxiliary mechanism is arranged on the outer side of the bottom end face of the feeding pipe; the weighing platform is arranged at the upper end of the inner side of the limiting guide frame, and a weighing sensor is arranged between the binding surfaces of the weighing platform and the limiting guide frame; the material cleaning support is slidably arranged at the upper end of the weighing table. The material cleaning auxiliary mechanism is arranged between the material cleaning bracket and the limiting guide frame; the overload phenomenon of the weight sensor in a specific area of the weighing platform due to accumulation of materials in the specific area is avoided, the service life of the weight sensor is prolonged, and the accuracy of the device in subsequent weighing is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plastic production, more specifically, especially relate to a quantitative adding device for plastic mixer. BACKGROUND

[0002] In the process of plastic production and processing, the quantitative adding device is needed to cooperate with the plasticizer or stabilizer, and the weight is added to the feeding box of the mixer. In the operation of the quantitative adding device, the control mechanism is usually used to control the feeding valve and the weighing sensor to realize the accurate quantitative addition of the material.

[0003] For example, the existing application number CN202222265126.4 discloses a quantitative adding device, which comprises a containing box, a first motor fixedly installed on the right side of the containing box, a second motor fixedly installed on the bottom of the first motor on the right side of the containing box, a discharge pipe communicated with the left side of the containing box, a communication pipe communicated with the bottom of the discharge pipe, two shunt pipes communicated with the two sides of the communication pipe, a screw conveyor rotatably connected to the inner cavity of the discharge pipe through a bearing, and a stirring rod rotatably connected to the top of the inner cavity of the containing box through a bearing. The utility model collects raw materials through the containing box, drives the stirring rod through the first motor, stirs the additive through the stirring rod, drives the screw conveyor through the second motor, transfers and discharges the additive through the screw conveyor, limits the bottom of the additive through the positioning plate, and prevents the additive from blocking the inner cavity of the communication pipe through the stirring frame.

[0004] Based on the above, the feeding pipe in the existing quantitative adding device is mostly arranged at a fixed position above the weighing table. Therefore, during the process of guiding the material into the weighing table, not only is it easy to cause the accumulation of the material on the weighing table, affecting the material guiding efficiency, but also the accumulation of the material in a specific area of the weighing table is easy to cause the overload of the sensor in the area, affecting the service life of the weight sensor and the accuracy of subsequent weighing. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a quantitative adding device for plastic mixer, which solves the problem that the feeding pipe in the existing quantitative adding device is mostly arranged at a fixed position above the weighing table. Therefore, during the process of guiding the material into the weighing table, not only is it easy to cause the accumulation of the material on the weighing table, affecting the material guiding efficiency, but also the accumulation of the material in a specific area of the weighing table is easy to cause the overload of the sensor in the area, affecting the service life of the weight sensor and the accuracy of subsequent weighing.

[0006] The purpose and effect of the quantitative adding device for plastic mixer are achieved by the following specific technical means:

[0007] A kind of plastic mixer is quantitatively added device, including storage hopper, limiting guide frame, feed pipe, cloth auxiliary mechanism, weighing platform, clean material support and clean material auxiliary mechanism, the lower end of the storage hopper is conical cylinder structure;The limiting guide frame is slidably arranged below the storage hopper;The feed pipe is fixedly connected at the outer side of the bottom end surface of storage hopper, and the inner end of feed pipe is provided with feed control valve;The cloth auxiliary mechanism is arranged at the outer side of the bottom end surface of feed pipe;The cloth auxiliary mechanism has: cloth auxiliary pipe, the cloth auxiliary pipe is fixedly connected at the outer side of the bottom end surface of feed pipe, and the bottom end surface of cloth auxiliary pipe is conical cylinder structure with the diameter of lower end being greater than the diameter of upper end;The weighing platform is arranged at the upper end of the inner side of limiting guide frame, and weighing sensor is arranged between the abutting surface of weighing platform and limiting guide frame;The clean material support is slidably arranged on the upper end of weighing platform;The clean material auxiliary mechanism is arranged between clean material support and limiting guide frame.

[0008] Further, the upper end of the storage hopper is fixedly connected with mounting bracket on the left and right sides;Two positioning mounting holes are formed in the inner side of the two mounting brackets;Two electric push rods are fixedly connected on the left and right sides of the lower end of the storage hopper;Two piston rods are slidably connected to the lower ends of the two electric push rods;The two piston rods are fixedly connected with the limiting guide frame.

[0009] Further, the inner side of the cloth auxiliary pipe is provided with a cloth passage;The upper and lower sides of the cloth passage are both conical groove structures inclined from the outer side to the inner side.

[0010] Further, the cloth auxiliary mechanism further includes: a positioning bracket and a cloth auxiliary wheel, the positioning bracket is fixedly connected to the inner side of the lower end of the cloth auxiliary pipe;The cloth auxiliary wheel is rotatably connected to the lower end of the positioning bracket.

[0011] Further, the clean material auxiliary mechanism includes: a transmission pulley and a transmission belt, the transmission pulley has two groups, and the two groups of transmission pulleys are rotatably connected to the inner ends of the limiting guide frame in left-right alignment;The transmission pulley on the left front side is coaxially fixedly connected to the outer side of the transmission motor shaft;The transmission belt has two, and the two transmission belts are wound around the outer sides of the two transmission pulleys on the same side.

[0012] Further, the clean material auxiliary mechanism further includes: a connecting shaft and an elastic support plate, the connecting shaft is fixedly connected to the outer end of the clean material support, and the left and right ends of the connecting shaft are fixedly connected with the transmission belt;The elastic support plate is elastically connected to the outer end of the clean material support;The weighing platform and the rear side of the limiting guide frame are provided with a feeding groove.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] The utility model discloses a material guiding efficiency is improved to the material, and the material is thrown to the weighing platform evenly, and the phenomenon of material accumulation under the feeding pipe is avoided greatly, the material guiding efficiency is improved to the material, and the phenomenon of material accumulation on the weighing platform is avoided, the service life of weight sensor is prolonged, the accuracy of the device in subsequent weighing is further improved, and the use effect and work efficiency in practical application process are further improved.

[0015] The utility model discloses a material guiding efficiency is improved to the material, and the material is thrown to the weighing platform evenly, and the phenomenon of material accumulation under the feeding pipe is avoided greatly, the material guiding efficiency is improved to the material, and the phenomenon of material accumulation on the weighing platform is avoided, the service life of weight sensor is prolonged, the accuracy of the device in subsequent weighing is further improved, and the use effect and work efficiency in practical application process are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the cloth auxiliary wheel and cloth auxiliary pipe mounting structure schematic drawing of the utility model.

[0017] Figure 2 It is cloth auxiliary mechanism cross section structure schematic drawing of the utility model.

[0018] Figure 3 It is the whole isometric structure schematic drawing of the utility model.

[0019] Figure 4 It is the clear material support and limit guide frame mounting structure schematic drawing of the utility model.

[0020] Figure 5 It is the clear material support and clear material auxiliary mechanism connecting structure schematic drawing of the utility model.

[0021] In the drawing, the corresponding relation of component name and drawing number is as follows:

[0022] 1, storage hopper;101, mounting support;102, electric push rod;103, piston rod;2, limit guide frame;3, feeding pipe;301, cloth auxiliary pipe;302, cloth channel;303, positioning support;304, cloth auxiliary wheel;4, weighing platform;5, clear material support;501, connecting support shaft;502, elastic support plate;503, transmission pulley;504, transmission belt. DETAILED DESCRIPTION

[0023] The embodiment of the utility model is further described in detail below in combination with the drawings and examples.

[0024] Example one:

[0025] As shown in the accompanying drawings: Figures 1-3 ​

[0026] The utility model provides a kind of quantitative adding device for plastic mixer, including storage hopper 1, limit guide frame 2, feeding pipe 3, cloth auxiliary mechanism, weighing platform 4, clean material support 5 and clean material auxiliary mechanism, the lower end of storage hopper 1 is conical cylinder structure;Limit guide frame 2 is slidably arranged below storage hopper 1;Feeding pipe 3 is fixedly connected at the outer side of the bottom end surface of storage hopper 1, and feeding control valve is provided in the inner end of feeding pipe 3;Cloth auxiliary mechanism is arranged at the outer side of the bottom end surface of feeding pipe 3;Cloth auxiliary mechanism includes cloth auxiliary pipe 301, and cloth auxiliary pipe 301 is fixedly connected at the outer side of the bottom end surface of feeding pipe 3, and the bottom end surface of cloth auxiliary pipe 301 is conical cylinder structure with the diameter of lower end greater than the diameter of upper end;Weighing platform 4 is arranged at the upper end of the inner side of limit guide frame 2, and weighing sensor is arranged between the abutting surface of weighing platform 4 and limit guide frame 2;Clean material support 5 is slidably arranged on the upper end of weighing platform 4;Clean material auxiliary mechanism is arranged between clean material support 5 and limit guide frame 2.

[0027] Among them, the left and right sides of the upper end of storage hopper 1 are fixedly connected with mounting bracket 101;Two mounting brackets 101 are provided with positioning mounting holes in the inner side;The left and right sides of the lower end of storage hopper 1 are fixedly connected with electric push rod 102;Two electric push rods 102 are slidably connected with piston rod 103 at the lower end;Two piston rods 103 are fixedly connected with limit guide frame 2.

[0028] Among them, the inner side of cloth auxiliary pipe 301 is provided with cloth passage 302;The upper and lower sides of cloth passage 302 are both conical groove structure inclined from the outer side to the inner side.

[0029] Among them, cloth auxiliary mechanism further includes positioning bracket 303 and cloth auxiliary wheel 304, and positioning bracket 303 is fixedly connected with the inner side of the lower end of cloth auxiliary pipe 301;Cloth auxiliary wheel 304 is rotatably connected with the lower end of positioning bracket 303.

[0030] The specific use mode and effect of the embodiment are as follows:

[0031] In use, the utility model cooperates mounting bracket 101 and positioning bolt, positions and connects storage hopper 1 on the outer side of the upper end of feeding box, and material is introduced into weighing platform 4 from feeding pipe 3 during the process of adding material, and weighing sensor detects the weight change of material in real time, and weighing sensor transmits weight signal to controller as material is continuously introduced into weighing platform 4, and controller sends quality to close feeding control valve once reaching the set weight, and material introduction is stopped at this time, so that the quantitative adding process of material weight is realized;During the process that material is introduced into weighing platform 4 from feeding pipe 3, the flow speed of material is improved by using venturi principle when material flows through cloth passage 302, cloth auxiliary wheel 304 is rotated by impact force during the downward flow of material, and material is uniformly thrown to weighing platform 4 during the rotation of cloth auxiliary wheel 304.

[0032] Embodiment two:

[0033] Based on embodiment one, as Figures 3-5 shown:

[0034] Wherein, the auxiliary cleaning mechanism comprises: transmission pulley 503 and transmission belt 504, transmission pulley 503 has two groups, two groups of transmission pulley 503 left and right alignment rotationally connected in the limiting guide frame 2 inner end; The left end front side transmission pulley 503 is coaxially fixedly connected to the outer side of the transmission motor shaft; Transmission belt 504 has two, two transmission belts 504 are wound on the outer side of the left and right same side two transmission pulleys 503 respectively.

[0035] Wherein, the auxiliary cleaning mechanism further comprises: connecting shaft 501 and elastic support plate 502, connecting shaft 501 is fixedly connected to the outer end of the cleaning support 5, and the left and right ends of the connecting shaft 501 are fixedly connected between the transmission belts 504; The elastic support plate 502 is elastically connected to the outer end of the cleaning support 5; The weighing table 4 and the rear side of the limiting guide frame 2 are provided with a feeding groove.

[0036] The specific use mode and effect of the embodiment:

[0037] In use, the quantitative material is thrown to the weighing table 4, and the transmission motor is started, the transmission pulley 503 and the transmission belt 504 are matched, the cleaning support 5 is pushed to slide, and when the cleaning support 5 slides from front to back, the elastic support plate 502 contacts the weighing table 4, the material is pushed into the feeding hopper from the feeding groove, and the adhesion of the material on the weighing table 4 is avoided.

[0038] In this paper, the following points need attention:

[0039] 1. The drawings of the disclosed embodiment only relate to the structure involved in the disclosed embodiment, and other structures can refer to the general design.

[0040] 2. In the case of no conflict, the embodiments and features in the embodiments of the disclosure can be combined to obtain new embodiments.

[0041] The above is only a specific embodiment of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the disclosure, which should be covered within the protection scope of the disclosure. Therefore, the protection scope of the disclosure should be subject to the protection scope of the claims.

Claims

1. A plastic mixer quantitative adding device, comprising a storage hopper (1), a limiting guide frame (2), a feeding pipe (3), a cloth distribution auxiliary mechanism, a weighing table (4), a cleaning support (5) and a cleaning auxiliary mechanism, characterized in that: The lower end of the storage hopper (1) is a conical cylinder structure; the limiting guide frame (2) is slidingly arranged below the storage hopper (1); the feeding pipe (3) is fixedly connected to the outer side of the bottom end face of the storage hopper (1), and the inner end of the feeding pipe (3) is provided with a feeding control valve; the cloth auxiliary mechanism is arranged outside the bottom end face of the feeding pipe (3); the cloth auxiliary mechanism comprises a cloth auxiliary pipe (301) fixedly connected to the outer side of the bottom end face of the feeding pipe (3), and the bottom end face of the cloth auxiliary pipe (301) is a conical cylinder structure with a larger diameter at the lower end than at the upper end; the weighing table (4) is arranged at the upper end of the inner side of the limiting guide frame (2), and a weighing sensor is arranged between the weighing table (4) and the abutting surface of the limiting guide frame (2); the cleaning support (5) is slidingly arranged on the upper end of the weighing table (4); the cleaning auxiliary mechanism is arranged between the cleaning support (5) and the limiting guide frame (2).

2. The dosing device for a plastic blender according to claim 1, wherein: The upper end of the storage hopper (1) is fixedly connected with mounting brackets (101) on the left and right sides; positioning mounting holes are formed in the inner sides of the two mounting brackets (101); the lower end of the storage hopper (1) is fixedly connected with electric push rods (102) on the left and right sides; the lower ends of the two electric push rods (102) are slidingly connected with piston rods (103); the two piston rods (103) are fixedly connected with the limiting guide frame (2).

3. The dosing device for a plastic blender according to claim 1, wherein: The inner side of the cloth auxiliary pipe (301) is provided with a cloth passage (302); the upper and lower sides of the cloth passage (302) are both conical groove structures inclined from the outer side to the inner side.

4. The dosing device for a plastic blender according to claim 1, wherein: The cloth auxiliary mechanism further comprises positioning brackets (303) and cloth auxiliary wheels (304), the positioning brackets (303) are fixedly connected to the inner side of the lower end of the cloth auxiliary pipe (301); the cloth auxiliary wheels (304) are rotatably connected to the lower end of the positioning brackets (303).

5. The dosing device for a plastic blender according to claim 1, wherein: The cleaning auxiliary mechanism comprises drive pulleys (503) and drive belts (504), the drive pulleys (503) are in two groups, and the two groups of drive pulleys (503) are rotatably connected to the inner ends of the limiting guide frame (2) in left-right alignment; the drive pulleys (503) on the left end front side are coaxially fixedly connected to the outer side of the drive motor shaft; the drive belts (504) are two, and the two drive belts (504) are wound around the outer sides of the two drive pulleys (503) on the same side.

6. The dosing device for a plastic blender according to claim 5, wherein: The cleaning auxiliary mechanism further comprises connecting shafts (501) and elastic supporting plates (502), the connecting shafts (501) are fixedly connected to the outer ends of the cleaning support (5), and the left and right ends of the connecting shafts (501) are fixedly connected between the drive belts (504); the elastic supporting plates (502) are elastically connected to the outer ends of the cleaning support (5); the weighing table (4) and the rear side of the limiting guide frame (2) are provided with a feeding groove.

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