NTC (Negative Temperature Coefficient) hot melting squaring machine

Abstract

The utility model relates to the technical field of thermistor production, in particular to an NTC (Negative Temperature Coefficient) hot-melting squaring machine which comprises a feeding and pushing device, and a heating and melting device is arranged on one side of the feeding and pushing device of a feeding table; a squaring and trimming device is arranged on one side of the heating and melting device; a finished product discharging mechanical arm is further installed on the surface of the squaring and trimming device. Automatic feeding, automatic pushing and aligning of the heat shrink tubes, automatic heating and melting of the heat shrink tubes, automatic squaring and forming of the heat shrink tubes, automatic trimming of the heat shrink tubes and automatic discharging of finished products are achieved, the automation degree is improved, manual auxiliary operation is not needed in the thermistor production process, the labor intensity during thermistor production is reduced, the working efficiency is improved, and the production cost is reduced. The production capacity is increased, and one row of production time is 80 seconds; and the whole production process is automatically completed by a machine, and manual operation does not exist in the process, so that the yield during thermistor production is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of thermistor production, in particular to a NTC hot melt square press machine. BACKGROUND

[0002] Thermistors are a kind of sensitive components, which are divided into positive temperature coefficient thermistors (PTC) and negative temperature coefficient thermistors (NTC) according to different temperature coefficients. The negative temperature coefficient thermistors need to use a hot melt square press machine during production.

[0003] The existing hot melt square press machine is manually operated during thermistor production, and the degree of automation is low, thus increasing the labor intensity during thermistor production and reducing the work efficiency during thermistor production. Moreover, the production yield is poor due to manual operation during the whole production process, which greatly troubles people's use. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a NTC hot melt square press machine to solve the problems of manual operation, low degree of automation, low work efficiency, and poor yield in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a NTC hot melt square press machine, comprising a feeding and aligning device, the feeding and aligning device comprises a feeding table, a feeding assembly, and a cylinder aligning assembly, the surface of the feeding table is provided with the feeding assembly, which is used for feeding work of thermistors, and the surface of the feeding table and located at one side of the feeding assembly is provided with the cylinder aligning assembly, which is used for aligning work of thermistors; the surface of the feeding table is fixed with a control panel, one side of the feeding table is provided with a heating and melting device, which is used for heating work of heat-shrinkable tubes on thermistors; one side of the heating and melting device is provided with a square pressing and cutting device, which is used for square forming and cutting work of heat-shrinkable tubes; the surface of the square pressing and cutting device is further provided with a finished product unloading manipulator, which is used for unloading work of products.

[0006] Preferably, the feeding assembly comprises a lead screw advancing mechanism, a feeding position, and a transition conveying line, and the lead screw advancing mechanism is fixedly connected to the surface of the feeding and aligning device.

[0007] Preferably, the surface of the lead screw advancing mechanism is provided with the feeding position, which is used for feeding work of thermistors; and one end of the lead screw advancing mechanism is connected with the transition conveying line, which is used for transition feeding work of thermistors.

[0008] Preferably, the heating and melting device is composed of a heating table and upper and lower heating plates, the heating table is located at one side of the feeding table, and the upper and lower heating plates are fixed on the surface of the heating table and used for heating and melting the heat shrink tube.

[0009] Preferably, the square pressing and cutting device comprises a pressing and cutting table, a square forming die set, a feeding module and a screw blade cutting module, and the pressing and cutting table is arranged on the surface of the heating table.

[0010] Preferably, the surface of the pressing and cutting table is fixed with the square forming die set used for square forming of the heat shrink tube, and the surface of the pressing and cutting table and located at one side of the square forming die set is fixed with the screw blade cutting module used for cutting of the heat shrink tube.

[0011] Preferably, the surface of the pressing and cutting table and located at one side of the square forming die set is provided with the feeding module used for feeding the square formed heat shrink tube in the square forming die set to the screw blade cutting module for cutting and feeding the cut heat shrink tube to the finished product unloading manipulator for unloading.

[0012] Compared with the prior art, the NTC hot melt square pressing machine has the advantages that: the NTC hot melt square pressing machine is provided with a feeding and aligning device, a heating and melting device, a square pressing and cutting device and a finished product unloading manipulator, in implementation, the feeding and aligning device is used for feeding and aligning the hot melt tube, then the heating and melting device is used for heating and melting, the square pressing and cutting device is used for square pressing and cutting after heating, and the finished product is unloaded by the finished product unloading manipulator; the automatic feeding, automatic hot shrink tube aligning, automatic hot shrink tube heating and melting, automatic hot shrink tube square forming, automatic hot shrink tube cutting and automatic finished product unloading are realized, the automation degree is improved, manual operation is not needed in the production process of the thermistor, the labor intensity in the production of the thermistor is reduced, the work efficiency is improved, the production capacity is increased, and one row of products is produced in 80 seconds; and since the whole production process is automatically completed by the machine and manual operation is not needed in the middle, the yield of the thermistor in the production process is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional appearance structure schematic view of the utility model;

[0014] Figure 2 It is an explosion structure schematic view of the feeding and aligning device of the utility model;

[0015] Figure 3 It is a local enlarged structure schematic view of the utility model;

[0016] Figure 4 It is an explosion structure schematic view of the square pressing and cutting device of the utility model.

[0017] In the figure: 1, the feeding and aligning device; 10, the control panel; 11, the feeding table; 12, the feeding assembly; 121, the screw advancing mechanism; 122, the feeding position; 123, the transition conveying line; 13, the cylinder aligning assembly; 2, the heating and melting device; 21, the heating table; 22, the upper and lower heating plates; 3, the square pressing and cutting aligning device; 31, the pressing and cutting table; 32, the square forming mold group; 33, the feeding mold group; 34, the screw blade cutting and aligning assembly; 4, the finished product unloading manipulator. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right" and the like are only used for description purposes, and cannot be understood as indicating or implying relative importance. Meanwhile, in the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] The structure of the NTC hot melting square machine provided by the present application is as shown in Figure 1 and Figure 2 The feeding and aligning device 1 comprises a feeding table 11, a feeding assembly 12 and a cylinder aligning assembly 13. The surface of the feeding table 11 is provided with the feeding assembly 12, which is used for the feeding work of the thermistor. The feeding assembly 12 comprises a screw advancing mechanism 121, a feeding position 122 and a transition conveying line 123. The screw advancing mechanism 121 is fixedly connected to the surface of the feeding and aligning device 1. The surface of the screw advancing mechanism 121 is provided with the feeding position 122, which is used for the discharging work of the thermistor. One end of the screw advancing mechanism 121 is connected with the transition conveying line 123, which is used for the transition feeding work of the thermistor. The surface of the feeding table 11 and located on one side of the feeding assembly 12 is provided with the cylinder aligning assembly 13, which is used for the aligning work of the thermistor. The surface of the feeding table 11 is fixedly provided with the control panel 10.

[0020] In implementation, the feeding pusher device 1 is used for feeding. During feeding, the worker puts the flat cable board into the feeding position 122. After the proximity sensor senses the position, the lead screw in the lead screw pushing mechanism 121 pushes the flat cable board forward. The flat cable boards are arranged one by one and pushed forward to the transition conveying line 123 by the lead screw pushing mechanism 121. The transition conveying line 123 is used for conveying and processing in the subsequent process.

[0021] Further, as shown in Figure 1 and Figure 3 , the heating and melting device 2 is arranged on one side of the feeding table 11. The heating and melting device 2 is used for heating work of the heat shrink tube on the thermistor. The heating and melting device 2 is composed of a heating table 21 and an upper and lower heating plate 22. The heating table 21 is located on one side of the feeding table 11, and the surface of the heating table 21 is fixed with the upper and lower heating plate 22. The upper and lower heating plate 22 is used for heating and melting work of the heat shrink tube.

[0022] In implementation, the flat cable board is heated and melted by the heating and melting device 2. During implementation of the heating and melting device 2, the flat cable board enters the heating area. The heating area is composed of two upper and lower heating plates. The upper and lower heating plates 22 form a cavity heating area in the middle. The highest temperature can reach 450℃, and the residence time during heating is 160s (two movements, each movement stops for 80s). The heat shrink tube is fully melted.

[0023] Further, as shown in Figure 1 and Figure 4 , the heating and melting device 2 is arranged on one side of the heating and melting device 2. The square pressing and cutting device 3 is used for square forming and cutting work of the heat shrink tube. The square pressing and cutting device 3 includes a pressing and cutting table 31, a square forming die group 32, a feeding die group 33, and a lead screw blade cutting assembly 34. The pressing and cutting table 31 is arranged side by side on the surface of the heating table 21. The surface of the pressing and cutting table 31 is fixed with the square forming die group 32. The square forming die group 32 is used for square forming work of the heat shrink tube. The surface of the pressing and cutting table 31 and located on one side of the square forming die group 32 is fixed with the lead screw blade cutting assembly 34. The lead screw blade cutting assembly 34 is used for cutting work of the heat shrink tube.

[0024] In implementation, the square forming die group 32 is pressed by the servo press, and the heat shrink tube is cooled and formed. The servo press can accurately control the pressing position and pressure. The formed product is sent to the lead screw blade cutting assembly 34 by the feeding die group 33. The blade is cut by the lead screw in the lead screw blade cutting assembly 34 to cut off the excess rubber tube at the tail.

[0025] Further, as shown in Figure 1 and Figure 4As shown, the surface of the cutting device 3 is also provided with a finished product unloading manipulator 4, which is used for the unloading work of the product. The surface of the cutting table 31 and located on one side of the square forming module 32 is provided with a feeding module 33, which is used for feeding the hot-wire formed in the square forming module 32 to the screw blade cutting assembly 34 for cutting, and then feeding the cut hot-wire to the finished product unloading manipulator 4 for unloading.

[0026] In implementation, the finished product is placed into the unloading storage rack by the servo gripper in the finished product unloading manipulator 4.

[0027] Working principle: in use, first put the hot-wire into the wire arrangement board, and use the feeding and aligning device 1 for feeding. During feeding, manually put the wire arrangement board into the feeding position 122, and after the proximity sensor senses the position, the screw rod in the screw advancing mechanism 121 pushes the wire arrangement board forward. The wire arrangement board is arranged one by one, and is pushed forward to the transition conveying line 123 by the screw advancing mechanism 121, and is conveyed by the transition conveying line 123 for subsequent process.

[0028] Then, the hot-melt pipe is aligned by the cylinder aligning assembly 13. In implementation, the cylinder pushes the hot-melt pipe to the fixed position to align the hot-melt pipe.

[0029] After that, the wire arrangement board is heated and melted by the heating and melting device 2. In implementation, the wire arrangement board enters the heating area composed of upper and lower heating plates. The cavity heating area is formed between the upper and lower heating plates 22, and the highest temperature can reach 450℃. The wire arrangement board stays for 160s (twice moving, and each time moving stays for 80s) during heating, so that the hot-melt pipe is fully melted, and waits for the next operation.

[0030] The heated product is caught by the feeding module 33 and moved to the square forming module 32. The square forming module 32 is pressed by the servo press to cool and form the hot-melt pipe. The servo press can accurately control the pressing position and pressure.

[0031] The formed product is sent to the screw blade cutting assembly 34 by the feeding module 33. The blade is cut by the screw in the screw blade cutting assembly 34 to cut off the excess pipe at the tail. The finished product is placed into the unloading storage rack by the servo gripper in the finished product unloading manipulator 4.

[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An NTC hot melt square press, comprising a feeding and pushing device (1), characterized in that: The feeding and aligning device (1) comprises a feeding platform (11), a feeding assembly (12) and a cylinder aligning assembly (13); the feeding assembly (12) is provided on the surface of the feeding platform (11); the feeding assembly (12) is used for feeding the thermistor; the feeding platform (11) is provided with a cylinder aligning assembly (13) on one side of the feeding assembly (12); the cylinder aligning assembly (13) is used for aligning the thermistor; a control panel is fixed on the surface of the feeding platform (11) (10), a heating and melting device (2) is provided on one side of the loading and pushing device (1) of the loading platform (11), and the heating and melting device (2) is used for heating the heat shrink tube on the thermistor; a pressing and cutting device (3) is provided on one side of the heating and melting device (2), and the pressing and cutting device (3) is used for pressing, forming and cutting the heat shrink tube; a finished product unloading robot (4) is also installed on the surface of the pressing and cutting device (3), and the finished product unloading robot (4) is used for unloading the product.

2. The NTC hot melt square pressing machine according to claim 1, characterized in that: The feeding assembly (12) includes a screw propulsion mechanism (121), a feeding position (122), and a transition conveying line (123); the screw propulsion mechanism (121) is fixedly connected to the surface of the feeding and pushing device (1).

3. The NTC hot melt square pressing machine according to claim 2, characterized in that: The surface of the screw propulsion mechanism (121) is provided with a loading position (122), and the loading position (122) is used for the discharge work of the thermistor; one end of the screw propulsion mechanism (121) is connected to a transition conveying line (123), and the transition conveying line (123) is used for the transition loading work of the thermistor.

4. The NTC hot melt square pressing machine according to claim 1, characterized in that: The heating and melting device (2) is composed of a heating platform (21) and upper and lower heating plates (22). The heating platform (21) is located on one side of the loading platform (11), and the upper and lower heating plates (22) are fixed on the surface of the heating platform (21). The upper and lower heating plates (22) are used for heating and melting the heat shrink tube.

5. The NTC hot melt square pressing machine according to claim 1, characterized in that: The squaring and trimming device (3) comprises a cutting platform (31), a squaring and molding module (32), a feeding module (33) and a screw blade trimming assembly (34); the cutting platform (31) is arranged side by side on the surface of the heating platform (21).

6. The NTC hot melt square pressing machine according to claim 5, characterized in that: A square forming module (32) is fixed on the surface of the pressing and cutting platform (31), and the square forming module (32) is used for square forming the heat shrink tube; a lead screw blade trimming assembly (34) is fixed on the surface of the pressing and cutting platform (31) and located on one side of the square forming module (32), and the lead screw blade trimming assembly (34) is used for trimming the heat shrink tube.

7. The NTC hot melt square forming machine according to claim 6, characterized in that: A feeding module (33) is installed on the surface of the pressing and cutting table (31) and located on one side of the square forming module (32). The feeding module (33) is used to sequentially feed the thermistors formed by the square forming module (32) to the screw blade cutting assembly (34) for cutting, and then feed the cut thermistors to the finished product unloading manipulator (4) for unloading.

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