Stirring device for processing PTC (Positive Temperature Coefficient) thermistor

Abstract

The utility model provides a stirring device for processing a PTC (Positive Temperature Coefficient) thermistor and belongs to the technical field of machinery. The problem that in the prior art, applicability is poor is solved. The stirring device for PTC thermistor processing comprises a stirring box, a main shaft and a connecting frame, a cavity is formed in the stirring box, the lower portion of the stirring box is conical, the upper portion of the stirring box is provided with a feeding pipe communicated with the inner cavity of the stirring box, the bottom of the stirring box is provided with a discharging pipe communicated with the inner cavity of the stirring box, and the upper portion of the stirring box is fixedly connected with a motor. The main shaft is connected with the output end of the motor and located in an inner cavity of the stirring box, a plurality of shearing blades are fixedly connected to the main shaft, an auxiliary shaft is fixedly connected to the bottom of the main shaft, a cleaning plate is fixedly connected to the bottom of the auxiliary shaft, and one side of the cleaning plate makes contact with the bottom wall and the side wall of the inner cavity of the stirring box. One end of the connecting frame is fixedly connected to the other side of the cleaning plate, the other end of the connecting frame is fixedly connected to the auxiliary shaft, and a plurality of stirring rods are fixedly connected to the connecting frame. The stirring device for processing the PTC thermistor is high in applicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to a stirring device for processing a PTC thermistor. Background Art

[0002] Resistors are a common electrical component with a wide range of applications, such as in integrated circuits and chips. Resistor slurry is the basic material for manufacturing thick film components. It is a paste made by mixing solid powder and organic solvent through three-roll rolling.

[0003] In the processing of resistor slurry, various raw materials need to be mixed and stirred by a stirring device. However, the existing stirring device for PTC thermistor processing does not discharge the mixed and stirred raw materials thoroughly. The raw materials are easy to adhere to the inner wall and bottom of the stirring device, which easily causes the waste of raw materials and resources and has poor applicability. Summary of the invention

[0004] The purpose of the utility model is to provide a stirring device for processing PTC thermistors with strong applicability in view of the above problems existing in the prior art.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A stirring device for processing PTC thermistors, characterized in that it includes a stirring box, a main shaft and a connecting frame, the stirring box has an internal cavity and the lower part of the stirring box is conical, the upper part of the stirring box has a feed pipe that is connected to its inner cavity, the bottom of the stirring box has a discharge pipe that is connected to its inner cavity, the upper part of the stirring box is fixedly connected to a motor, the main shaft is connected to the output end of the motor, the main shaft is located in the inner cavity of the stirring box, a plurality of shear blades are fixedly connected to the main shaft, a secondary shaft is fixedly connected to the bottom of the main shaft, a cleaning plate is fixedly connected to the bottom of the secondary shaft, one side of the cleaning plate is in contact with the bottom wall and side wall of the inner cavity of the stirring box, one end of the connecting frame is fixedly connected to the other side of the cleaning plate, the other end of the connecting frame is fixedly connected to the secondary shaft, and a plurality of stirring rods are fixedly connected to the connecting frame.

[0007] The utility model creatively arranges a stirring box, a main shaft and a connecting frame. Raw materials enter from a feeding pipe, and a motor is started to drive the main shaft to rotate, thereby driving a secondary shaft to rotate, thereby driving a plurality of shear blades and a stirring rod to rotate. The directions of the stirring rod and the shear blades are perpendicular, so that the raw materials can be stirred in different directions.

[0008] The cleaning plate rotates at the same time, the cross section of the main view of the cleaning plate is U-shaped and the thickness of the cleaning plate is smaller than the inner diameter of the discharge pipe. During the rotation process, it can scrape off the raw materials adhering to the inner cavity and the bottom of the mixing box to prevent incomplete discharge of the raw materials, and it is not easy to cause waste of raw materials. It has strong applicability.

[0009] In the above-mentioned stirring device for processing PTC thermistors, the number of the feeding pipes is two, and the two feeding pipes are symmetrically arranged on both sides of the motor.

[0010] The arrangement of two feeding pipes facilitates the feeding of raw materials.

[0011] In the above-mentioned stirring device for processing PTC thermistors, a plurality of cleaning bristles are fixedly connected to the bottom of the cleaning plate.

[0012] The cleaning plate is pressed against the inner cavity bottom wall and the side wall of the mixing box through a plurality of cleaning bristles. The cleaning bristles are elastic and can remove the raw materials adhered to the inner cavity bottom wall and the side wall of the mixing box.

[0013] In the above-mentioned stirring device for processing a PTC thermistor, the tip of the shear blade is serrated, and a plurality of shear blades are each provided with a plurality of circular holes.

[0014] The circular hole allows the raw materials to pass through the circular hole when the stirring rod and the shearing blade are rotating, thereby improving the stirring effect. The serrated shearing blade can cut and stir the raw materials more sharply, further improving the stirring efficiency.

[0015] In the above-mentioned stirring device for processing a PTC thermistor, the number of the connecting frames is two, and the two connecting frames are symmetrically fixed to the secondary shaft and are respectively connected to the connecting frames.

[0016] The setting of the connecting frame makes the rotation of the cleaning plate more stable, and a plurality of stirring rods are fixedly connected to the two connecting frames.

[0017] In the above-mentioned stirring device for processing a PTC thermistor, a plurality of spiral stirring blades are connected to the secondary shaft, and the plurality of spiral stirring blades are located between the stirring rod and the discharge pipe.

[0018] Several spiral stirring blades can perform final stirring on the raw materials that are about to flow out of the discharge pipe.

[0019] In the above-mentioned stirring device for processing a PTC thermistor, bases are provided on both sides of the bottom of the stirring box.

[0020] The arrangement of the base makes the overall structure of the device more stable.

[0021] In the above-mentioned stirring device for processing a PTC thermistor, a valve is connected to the discharge pipe.

[0022] The discharge pipe can be opened and closed by means of a valve.

[0023] Compared with the prior art, the stirring device for processing PTC thermistors is creatively provided with a stirring box, a main shaft and a connecting frame. The raw materials enter from the feed pipe, and the motor is started to drive the main shaft to rotate, which drives the secondary shaft to rotate, thereby driving a number of shear blades and a stirring rod to rotate. The directions of the stirring rod and the shear blades are perpendicular, so that the raw materials can be stirred in different directions.

[0024] The cleaning plate rotates at the same time, the cross section of the main view of the cleaning plate is U-shaped and the thickness of the cleaning plate is smaller than the inner diameter of the discharge pipe. During the rotation process, it can scrape off the raw materials adhering to the inner cavity and the bottom of the mixing box to prevent incomplete discharge of the raw materials, and it is not easy to cause waste of raw materials. It has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the cross-sectional structure of the stirring device for processing the PTC thermistor.

[0026] In the figure, 1. mixing box; 11. feed pipe; 12. discharge pipe; 13. valve; 14. motor; 15. base; 2. main shaft; 21. shear blade; 22. round hole; 3. secondary shaft; 31. spiral stirring blade; 4. connecting frame; 41. stirring rod; 5. cleaning plate; 51. cleaning brush. DETAILED DESCRIPTION

[0027] 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 of 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.

[0028] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly mounted on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is considered to be "fixed to" another component, it may be directly fixed on the other component or there may be a central component at the same time.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0030] like Figure 1 As shown, the stirring device for processing PTC thermistors includes a stirring box 1, a main shaft 2 and a connecting frame 4, the stirring box 1 has an internal cavity and the lower part of the stirring box 1 is conical, the upper part of the stirring box 1 has a feed pipe 11 connected with its inner cavity, the bottom of the stirring box 1 has a discharge pipe 12 connected with its inner cavity, the upper part of the stirring box 1 is fixedly connected to a motor 14, the main shaft 2 is connected to the output end of the motor 14, the main shaft 2 is located in the inner cavity of the stirring box 1, a plurality of shear blades 21 are fixedly connected to the main shaft 2, a secondary shaft 3 is fixedly connected to the bottom of the main shaft 2, a cleaning plate 5 is fixedly connected to the bottom of the secondary shaft 3, one side of the cleaning plate 5 is in contact with the bottom wall and side wall of the inner cavity of the stirring box 1, one end of the connecting frame 4 is fixedly connected to the other side of the cleaning plate 5, the other end of the connecting frame 4 is fixedly connected to the secondary shaft 3, and a plurality of stirring rods 41 are fixedly connected to the connecting frame 4.

[0031] There are two feed pipes 11 , and the two feed pipes 11 are symmetrically arranged on both sides of the motor 14 .

[0032] A plurality of cleaning bristles 51 are fixedly connected to the bottom of the cleaning plate 5 .

[0033] The ends of the shearing leaves 21 are serrated, and a plurality of circular holes 22 are disposed on each of the plurality of shearing leaves 21 .

[0034] There are two connecting frames 4 , and the two connecting frames 4 are symmetrically fixed to the secondary shaft 3 and are connected to the connecting frames 4 respectively.

[0035] The secondary shaft 3 is connected to a plurality of spiral stirring blades 31 , and the plurality of spiral stirring blades 31 are located between the stirring rod 41 and the discharge pipe 12 .

[0036] Bases 15 are provided on both sides of the bottom of the mixing box 1 .

[0037] The discharge pipe 12 is connected with a valve 13 .

[0038] The utility model creatively arranges a stirring box, a main shaft and a connecting frame. Raw materials enter from a feeding pipe, and a motor is started to drive the main shaft to rotate, thereby driving a secondary shaft to rotate, thereby driving a plurality of shear blades and a stirring rod to rotate. The directions of the stirring rod and the shear blades are perpendicular, so that the raw materials can be stirred in different directions.

[0039] The cleaning plate rotates at the same time, the cross section of the main view of the cleaning plate is U-shaped and the thickness of the cleaning plate is smaller than the inner diameter of the discharge pipe. During the rotation process, it can scrape off the raw materials adhering to the inner cavity and the bottom of the mixing box to prevent incomplete discharge of the raw materials, and it is not easy to cause waste of raw materials. It has strong applicability.

[0040] The raw materials are initially stirred and sheared by the shearing blades, then stirred for the second time by the stirring rods, and finally stirred for the final time by the spiral stirring blades, which improves the mixing effect of the raw materials, improves the quality of the finished raw materials, avoids the phenomenon of uneven mixing, and improves applicability.

[0041] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention and are not intended to limit the present invention. As long as they are within the spirit of the present invention, appropriate changes and modifications to the above embodiments are within the scope of protection required by the present invention.

Claims

1. A stirring device for processing a PTC thermistor, characterized in that: It includes a mixing box, a main shaft and a connecting frame. The mixing box has an internal cavity and the lower part is conical. The upper part of the mixing box has a feed pipe that is connected with the inner cavity, and the bottom of the mixing box has a discharge pipe that is connected with the inner cavity. The upper part of the mixing box is fixedly connected to a motor, and the main shaft is connected to the output end of the motor. The main shaft is located in the inner cavity of the mixing box. A plurality of shear blades are fixedly connected to the main shaft, a secondary shaft is fixedly connected to the bottom of the main shaft, and a cleaning plate is fixedly connected to the bottom of the secondary shaft. One side of the cleaning plate is in contact with the bottom wall and side wall of the inner cavity of the mixing box. One end of the connecting frame is fixedly connected to the other side of the cleaning plate, and the other end of the connecting frame is fixedly connected to the secondary shaft. A plurality of stirring rods are fixedly connected to the connecting frame.

2. A stirring device for processing a PTC thermistor according to claim 1, characterized in that: There are two feed pipes, which are symmetrically arranged on both sides of the motor.

3. A stirring device for processing a PTC thermistor according to claim 2, characterized in that: A plurality of cleaning bristles are fixedly connected to the bottom of the cleaning plate.

4. A stirring device for processing a PTC thermistor according to claim 3, characterized in that: The ends of the shearing leaves are sawtooth-shaped, and a plurality of circular holes are arranged on the plurality of shearing leaves.

5. A stirring device for processing a PTC thermistor according to claim 4, characterized in that: The number of the connecting frames is two, and the two connecting frames are symmetrically fixed to the secondary shaft and are respectively connected to the connecting frames.

6. A stirring device for processing a PTC thermistor according to claim 5, characterized in that: The secondary shaft is connected with a plurality of spiral stirring blades, and the plurality of spiral stirring blades are located between the stirring rod and the discharge pipe.

7. A stirring device for processing a PTC thermistor according to claim 6, characterized in that: Bases are arranged on both sides of the bottom of the mixing box.

8. A stirring device for processing a PTC thermistor according to claim 7, characterized in that: The discharge pipe is connected with a valve.

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