Automatic rubber coating machine for NTC (Negative Temperature Coefficient) temperature sensor wire harness

Abstract

The invention discloses an automatic rubber coating machine for an NTC temperature sensor wire harness. The automatic rubber coating machine comprises a machine base, a constant-temperature rubber pool mechanism, a front-and-back movement mechanism, a circle drawing mechanism, an up-and-down mechanical shaking mechanism, a rubber surface leveling mechanism and the like. According to the automatic rubber coating machine for the NTC temperature sensor wire harness, a traditional manual coating mode is replaced by a mode of immersing a rubber coating part of the wire harness in glue, the phenomenon of non-uniform coating is avoided, the subsequent rubber coating quality is conveniently ensured, the temperature in the glue pool can be detected at a constant temperature by the temperature sensor, and the working efficiency is improved. When glue is used for a long time, namely the temperature is lower than a set value, the temperature sensor transmits information to the controller, the controller controls the liquid pump to pump water and discharges pumped high-low temperature water into the circulating pipeline, and meanwhile the controller controls the electric heating plate to heat the water in the circulating pipeline. And the heated water is discharged into the glue pool, and the process is repeated until the glue in the glue pool reaches a set value, so that the glue is prevented from being varied in the glue coating process of the product.

Description

Technical Field

[0001] The invention relates to the technical field of automatic glue coating machines, in particular to an automatic glue coating machine for NTC temperature sensor wiring harnesses. Background Art

[0002] A temperature sensor is a sensor that converts temperature variables into a standardized output signal that can be transmitted. Temperature sensors can be divided into two categories according to the measurement method: contact and non-contact. According to the sensor material and electronic component characteristics, they can be divided into thermal resistors and thermocouples. They are mostly used in temperature detection, testing, display, temperature control, overheat protection and other fields. NTC temperature sensor is a type of temperature sensor, and its principle is: the resistance value drops rapidly as the temperature rises. In the processing of NTC temperature sensor, it is necessary to coat the wire harness connected to it, so a coating machine is needed. After searching, it is found that the typical coating device in the prior art is an automatic coating device with publication number CN217008787U, including a support frame, a rotary drive mechanism is installed on the support frame, the output end of the rotary drive mechanism is downward and equipped with a support plate, the support plate is equipped with a thrust mechanism, the output end of the thrust mechanism is equipped with a coating syringe, the glue outlet of the coating syringe is aligned with the workpiece, the rotary drive mechanism includes a rotating shaft, the rotating shaft is rotatably connected to the support frame, a driven wheel is installed on the rotating shaft, a driving motor is also installed on the support frame, a driving wheel is installed on the output shaft of the driving motor, and a synchronous belt is wound between the driving wheel and the driven wheel; a moving contact is installed on the driven wheel, and a proximity switch corresponding to the moving contact is installed on the support frame, and the proximity switch is connected to the rotary drive mechanism signal to control the number of rotations of the coating syringe; its main feature is to improve the efficiency of the coating operation and improve the stability of product quality.

[0003] To sum up, most of the existing glue-coating machines add glue by coating, which is prone to uneven coating, thus affecting the subsequent processing quality. At the same time, the existing glue-coating machines are prone to glue solidification due to processing time and external temperature problems during use, resulting in a large amount of glue waste, thereby causing great economic losses. In view of the above problems, it is necessary to improve the existing equipment. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic glue coating machine for NTC temperature sensor wiring harness, so as to solve the problem that the existing glue coating machines proposed in the above background technology mostly add glue by coating, which is prone to uneven coating, thus affecting the subsequent processing quality. At the same time, the existing glue coating machines are prone to glue solidification due to processing time and external temperature problems during use, thereby resulting in a large amount of glue waste, thereby causing greater economic losses.

[0005] To achieve the above object, the present invention provides the following technical solution: an automatic glue-wrapping machine for NTC temperature sensor wiring harness, comprising a machine base, a temperature glue mechanism and a front-rear movement mechanism,

[0006] A protective door is rotatably connected to one side surface of the machine base, and universal self-locking wheels are symmetrically arranged at the bottom of the machine base. A machine cover is fixedly connected to the top of the machine base, and a clamping seat is arranged on the inner side of the machine cover. The warm glue mechanism is connected to the clamping seat, and the warm glue mechanism includes a glue pool, an electric telescopic rod, a bracket, a temperature sensor, a limiter, a liquid pump, a circulation pipeline, an electric heating plate and a pipeline connector. A mounting bracket is arranged at the top edge of the glue pool, and an electric telescopic rod is arranged in the mounting bracket, and the bottom end of the electric telescopic rod is connected to the bracket;

[0007] The front-to-back movement mechanism is installed on the inner side of the hood, and a circle-drawing mechanism is provided on one side of the front-to-back movement mechanism, and an up-and-down shaking mechanism is provided on the other side of the circle-drawing mechanism, and the up-and-down shaking mechanism and the pressing mechanism are both installed above the warm glue mechanism, and the up-and-down shaking mechanism and the pressing mechanism are both connected to the rear inner wall of the hood, and a control panel is installed on the pressing mechanism.

[0008] Preferably, the bottom of the base is symmetrically provided with adjustment feet, and the adjustment feet are arranged on the outside of the universal self-locking wheels.

[0009] Preferably, the glue pool is engaged in the interior of the card base, and the glue pool is connected to the card base through a limiter, and the card base is fixedly arranged on the top of the machine base.

[0010] Preferably, a temperature sensor is installed on one side wall of the glue pool, and the glue pool is arranged on the inner side of the front and rear movement mechanism.

[0011] Preferably, the bracket is slidably connected to the inside of the glue pool, and a wire row is arranged on the top of the bracket.

[0012] Preferably, both ends of the circulation pipeline are respectively connected to one end of the liquid pump and the delivery pipe on the glue tank through pipeline connectors, and the circulation pipeline is connected to the electric heating plate.

[0013] Preferably, the liquid pump is installed inside the machine base, and the liquid pump and the electric heating plate are correspondingly arranged on the inner side of the protective door, and the other end of the liquid pump is connected to the pipeline at the bottom of the glue tank.

[0014] Preferably, the electric heating plate and the controller, the temperature sensor, the liquid pump and the three-color lamp are electrically connected, and the three-color lamp is installed on the top of the hood.

[0015] Preferably, the electric heating plates are symmetrically arranged on the front and rear sides of the circulation pipeline, and the electric heating plates are snap-connected with each other, and the electric heating plates are connected to the machine base by bolts.

[0016] Preferably, the front-rear movement mechanism is slidably connected to the inside of the hood, and the front-rear movement mechanism is arranged above the glue pool.

[0017] Compared with the prior art, the invention has the following beneficial effects: the NTC temperature sensor harness automatic glue encapsulating machine,

[0018] (1) The present invention can effectively solve the problem that most of the existing glue-coating machines add glue by coating, which is prone to uneven coating, thus affecting the subsequent processing quality. At the same time, the existing glue-coating machines are prone to glue solidification due to processing time and external temperature problems during use, resulting in a large amount of glue waste, thereby causing great economic losses. The present application replaces the traditional coating method with a method of immersing the wire harness coating part in glue, thereby avoiding the uneven coating phenomenon, thereby facilitating the subsequent glue coating quality. At the same time, the temperature sensor can detect the temperature in the glue pool. When the glue is used for a long time, that is, the temperature is lower than the set value, the temperature sensor will transmit this information to the controller, and the controller will control the liquid pump The glue in the glue pool is extracted and discharged into the circulation pipe. At the same time, the controller controls the electric heating plate to heat the glue in the circulation pipe. The heated glue is discharged into the glue pool and the cycle is repeated until the glue in the glue pool reaches the set value, thereby preventing the glue from solidifying during the processing and thus avoiding waste of glue resources. When the temperature sensor detects that the glue temperature is higher than the set value, the temperature sensor transmits this information to the controller, and the controller controls the electric heating plate to stop heating so that the glue is cooled to a non-solidifying temperature. Compared with the existing glue coating machine, the present application adopts the method of immersing the glue coating part to avoid the problem of uneven glue distribution. At the same time, the present application prevents the glue from solidifying during the glue coating process by circulating the warm glue, thereby avoiding the loss caused by glue solidification and improving economic benefits.

[0019] (2) The present invention can effectively solve the problem that the existing glue coating machine is not convenient for flexibly adjusting the glue coating, that is, the coverage range according to the glue coating requirements of different wire harnesses, thereby narrowing the use range of the device and poor practicality through the coordinated use of the electric telescopic rod, the bracket and the three-color lamp. The staff can adjust the position of the bracket in the glue pool up and down by controlling the extension length of the electric telescopic rod, thereby adjusting the immersion depth of the wire harness on the wire row on the bracket, thereby making it easier to meet different glue coating requirements. At the same time, the three-color lamp can adjust the glue coating according to the state of the glue with the assistance of the temperature sensor and the controller. That is, when the glue temperature is lower than the set value, when the glue temperature is within the set range, and when the glue temperature is higher than the set range, three different colors of light are emitted to convey information to the staff, so that the staff can make auxiliary adjustments to the glue coating work of the device according to the color of the light. Compared with the existing glue coating machine, the present application can flexibly adjust the glue coating range of the wire harness according to actual needs, and the adjustment process is relatively convenient and quick. At the same time, the present application can convey information to the staff through the light emitted by the three-color lamp in real time according to the actual situation of the glue, so that the staff can intuitively understand the state of the glue, and then facilitate auxiliary regulation;

[0020] (3) The present invention can effectively solve the problem that the existing rubber coating machine needs human assistance during the rubber coating operation, thereby increasing the labor intensity of the staff and causing great subjectivity in human cooperation in the rubber coating, which in turn causes great differences in the rubber coated products, through the coordinated use of the front and rear movement mechanism, the circle drawing mechanism, the up and down shaking mechanism and the pressing mechanism. The pressing mechanism can play a role in fixing the wire row during the rubber coating process, and the front and rear movement mechanism and the up and down shaking mechanism can drive the wire bundle on the wire row to move and shake, so as to facilitate shaking off the excess glue on the wire bundle into the glue pool before the circle drawing mechanism is used to glue it, thereby facilitating preventing it from dripping and contaminating the device and avoiding waste of glue resources. That is, the entire rubber coating process does not require human assistance, thereby avoiding great subjectivity in the product caused by human participation in the rubber coating, thereby facilitating ensuring the consistency of the rubber coated products. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the main structure of the present invention;

[0023] Figure 3 It is a side view structural schematic diagram of the present invention;

[0024] Figure 4 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0025] Figure 5 It is a schematic diagram of the main cross-sectional structure of the present invention;

[0026] Figure 6 It is a schematic diagram of the working principle of the present invention.

[0027] In the figure: 1. Machine base; 2. Protective door; 3. Universal self-locking wheel; 4. Clamping seat; 5. Warming glue mechanism; 501. Glue tank; 502. Electric telescopic rod; 503. Bracket; 504. Temperature sensor; 505. Limiting piece; 506. Liquid pump; 507. Circulation pipeline; 508. Electric heating plate; 509. Pipeline connector; 6. Wire row; 7. Forward and backward movement mechanism; 8. Circle drawing mechanism; 9. Up and down shaking mechanism; 10. Pressing mechanism; 11. Control panel; 12. Three-color light; 13. Machine cover; 14. Adjustment foot. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-6 The present invention provides a technical solution: an automatic glue encapsulating machine for NTC temperature sensor harness.

[0030] Embodiment 1

[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a protective door 2 is rotatably connected to one side surface of the machine base 1, and universal self-locking wheels 3 are symmetrically arranged at the bottom of the machine base 1, a hood 13 is fixedly connected to the top of the machine base 1, and a holder 4 is arranged on the inner side of the hood 13, a warm glue mechanism 5 is connected to the holder 4, and the warm glue mechanism 5 includes a glue pool 501, an electric telescopic rod 502, a bracket 503, a temperature sensor 504, a limiter 505, a liquid pump 506, a circulation pipe 507, an electric heating plate 508 and a pipe connector 509, an installation bracket is arranged at the top edge of the glue pool 501, and an electric telescopic rod 502 is arranged in the installation bracket, and the bottom end of the electric telescopic rod 502 is connected to the bracket 503.

[0032] In a further embodiment, the glue pool 501 is engaged in the interior of the card holder 4 , and the glue pool 501 is connected to the card holder 4 via a stopper 505 , and the card holder 4 is fixedly disposed on the top of the machine base 1 .

[0033] Specifically, the holder 4 plays a role in fixing and limiting the position of the glue pool 501 , and the snap-fit ​​connection structure makes it easy for the staff to remove the glue pool 501 from the holder 4 , thereby facilitating the cleaning of the glue pool 501 .

[0034] In a further embodiment, a temperature sensor 504 is installed on a side wall of the glue pool 501 , and the glue pool 501 is arranged on the inner side of the front-rear movement mechanism 7 .

[0035] In a further embodiment, the bracket 503 is slidably connected to the inside of the glue pool 501 , and a wire row 6 is disposed on the top of the bracket 503 .

[0036] In a further embodiment, both ends of the circulation pipe 507 are respectively connected to one end of the liquid pump 506 and the delivery pipe on the glue tank 501 through pipe connectors 509 , and the circulation pipe 507 is connected to the electric heating plate 508 .

[0037] In a further embodiment, the liquid pump 506 is installed inside the machine base 1 , and the liquid pump 506 and the electric heating plate 508 are correspondingly arranged on the inner side of the protective door 2 , and the other end of the liquid pump 506 is connected to the pipe at the bottom of the glue pool 501 .

[0038] In a further embodiment, the electric heating plate 508 and the controller, the temperature sensor 504 , the liquid pump 506 and the three-color lamp 12 are electrically connected, and the three-color lamp 12 is installed on the top of the machine cover 13 .

[0039] Preferably, the model of the temperature sensor 504 is PT100, and the model of the controller is RPCF-6. It is an existing technology to use the cooperation of the temperature sensor 504 and the controller to detect the temperature and control the opening and closing of the equipment when the temperature reaches the set value. Its specific working principle will not be described in detail here.

[0040] In a further embodiment, the electric heating plates 508 are symmetrically arranged on the front and rear sides of the circulation pipe 507, and the electric heating plates 508 are snap-connected with each other, and the electric heating plates 508 are connected to the base 1 by bolts.

[0041] Specifically, when the circulation pipe 507 needs to be cleaned or replaced, the staff can open the protective door 2, remove the bolts, and remove the electric heating plate 508 from the machine base 1. At the same time, remove the pipe connector 509 to separate the circulation pipe 507 from the liquid pump 506 and the glue tank 501, so that the circulation pipe 507 can be cleaned or replaced accordingly.

[0042] like Figure 1 , Figure 2 , Figure 3 and Figure 6As shown, the front-rear moving mechanism 7 is installed on the inner side of the hood 13, and a circle drawing mechanism 8 is provided on one side of the front-rear moving mechanism 7, and an up-down shaking mechanism 9 is provided on the other side of the circle drawing mechanism 8, and the up-down shaking mechanism 9 and the pressing mechanism 10 are both installed above the warm glue mechanism 5, and the up-down shaking mechanism 9 and the pressing mechanism 10 are both connected to the rear inner wall of the hood 13, and a control panel 11 is installed on the pressing mechanism 10.

[0043] In a further embodiment, the front-rear movement mechanism 7 is slidably connected to the inside of the hood 13 , and the front-rear movement mechanism 7 is arranged above the glue pool 501 .

[0044] Specifically, in the actual working process, the wire row 6 loaded with the wire harness is placed on the bracket 503 in the glue pool 501. At the same time, the staff can adjust the position of the bracket 503, that is, the contact surface between the wire harness and the glue, by controlling the extension length of the electric telescopic rod 502. The front and rear movement mechanism 7 will move and feed the wire row 6 after the glue coating and complete the glue coating through the circle drawing mechanism 8. At the same time, the pressing mechanism 10 is convenient for preventing the position of the wire row 6 from moving during the glue coating process. The up and down shaking mechanism 9 can promote the shaking of the wire row 6 before glue coating, thereby preventing glue from dripping and contaminating the device during the subsequent glue coating process.

[0045] The temperature sensor 504 will monitor the temperature in the glue pool 501 in real time. When the glue temperature is lower than the set value and there is a risk of solidification, the temperature sensor 504 will transmit the detected temperature data to the controller, and the controller will start the liquid pump 506 to extract the glue in the glue pool 501. The extracted glue will be discharged into the circulation pipe 507 and contact the electric heating plate 508. The electric heating plate 508 heats the glue in the circulation pipe 507. The heated glue will flow back into the glue pool 501 under the drive of the liquid pump 506 until the temperature sensor 504 detects that the glue temperature in the glue pool 501 reaches the set value. At the same time, the controller will control the three-color light 12 to emit different colors of light according to the data detected by the temperature sensor 504 to convey the temperature information of the glue to the staff.

[0046] Embodiment 2

[0047] This embodiment is a further description of the above embodiment. It should be understood that this embodiment includes all the aforementioned technical features and is further described in detail.

[0048] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in a further embodiment, the bottom of the base 1 is symmetrically provided with adjustment feet 14, and the adjustment feet 14 are arranged on the outside of the universal self-locking wheel 3. The adjustment feet 14 are mainly composed of two parts, namely a screw for adjustment and a base for support.

[0049] Specifically, the staff can use the universal self-locking wheel 3 to move the device to the working area, and then rotate the base of the adjustment foot 14 so that its bottom contacts the ground, so that the adjustment foot 14 can be used to support the device, thereby ensuring the stability of the device during operation, and preventing the universal self-locking wheel 3 from being accidentally damaged due to long-term pressure, thereby facilitating extending the service life of the universal self-locking wheel 3.

[0050] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic glue coating machine for NTC temperature sensor wiring harness, comprising a machine base (1), a warm glue coating mechanism (5) and a forward and backward movement mechanism (7), characterized in that: A protective door (2) is rotatably connected to one side surface of the machine base (1), and a universal self-locking wheel (3) is symmetrically arranged at the bottom of the machine base (1). A hood (13) is fixedly connected to the top of the machine base (1), and a holder (4) is arranged on the inner side of the hood (13). The warm glue mechanism (5) is connected to the holder (4), and the warm glue mechanism (5) comprises a glue pool (501), an electric telescopic rod (502), a bracket (503), a temperature sensor (504), a stopper (505), a liquid pump (506), a circulation pipeline (507), an electric heating plate (508) and a pipeline connector (509). A mounting bracket is arranged at the top edge of the glue pool (501), and an electric telescopic rod (502) is arranged in the mounting bracket, and the bottom end of the electric telescopic rod (502) is connected to the bracket (503); The front-to-back movement mechanism (7) is installed on the inner side of the hood (13), and a circle-drawing mechanism (8) is provided on one side of the front-to-back movement mechanism (7), and an up-down shaking mechanism (9) is provided on the other side of the circle-drawing mechanism (8), and the up-down shaking mechanism (9) and the pressing mechanism (10) are both installed above the warm glue mechanism (5), and the up-down shaking mechanism (9) and the pressing mechanism (10) are both connected to the rear inner wall of the hood (13), and a control panel (11) is installed on the pressing mechanism (10).

2. According to claim 1, the automatic glue encapsulating machine for NTC temperature sensor harness is characterized in that: The bottom of the machine base (1) is symmetrically provided with adjustment feet (14), and the adjustment feet (14) are arranged on the outside of the universal self-locking wheel (3).

3. The NTC temperature sensor harness automatic encapsulation machine according to claim 1, characterized in that: The glue pool (501) is engaged inside the card seat (4), and the glue pool (501) is connected to the card seat (4) through a limiter (505), and the card seat (4) is fixedly arranged on the top of the machine base (1).

4. The NTC temperature sensor harness automatic encapsulation machine according to claim 1, characterized in that: A temperature sensor (504) is installed on one side wall of the glue pool (501), and the glue pool (501) is arranged on the inner side of the front and rear movement mechanism (7).

5. The NTC temperature sensor harness automatic encapsulation machine according to claim 1, characterized in that: The bracket (503) is slidably connected to the inside of the glue pool (501), and a wire row (6) is arranged on the top of the bracket (503).

6. The automatic gluing machine for NTC temperature sensor harness according to claim 1, characterized in that: The two ends of the circulation pipeline (507) are respectively connected to one end of the liquid pump (506) and the delivery pipe on the glue pool (501) through pipeline connectors (509), and the circulation pipeline (507) is connected to the electric heating plate (508).

7. The NTC temperature sensor harness automatic encapsulation machine according to claim 1, characterized in that: The liquid pump (506) is installed inside the machine base (1), and the liquid pump (506) and the electric heating plate (508) are correspondingly arranged on the inner side of the protective door (2), and the other end of the liquid pump (506) is connected to the pipeline at the bottom of the glue pool (501).

8. The NTC temperature sensor harness automatic encapsulation machine according to claim 1, characterized in that: The electric heating plate (508) is electrically connected to the controller, the temperature sensor (504), the liquid pump (506) and the three-color lamp (12), and the three-color lamp (12) is installed on the top of the machine cover (13).

9. The NTC temperature sensor harness automatic encapsulation machine according to claim 1, characterized in that: The electric heating plates (508) are symmetrically arranged on the front and rear sides of the circulation pipe (507), and the electric heating plates (508) are snap-fitted and connected to each other. At the same time, the electric heating plates (508) are connected to the machine base (1) by bolts.

10. The NTC temperature sensor harness automatic encapsulation machine according to claim 1, characterized in that: The front-rear moving mechanism (7) is slidably connected to the inside of the hood (13), and the front-rear moving mechanism (7) is arranged above the glue pool (501).

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