Dispensing device for gold ornament processing

Abstract

The utility model discloses a dispensing device for gold ornament processing, belongs to the technical field of gold ornament processing, and solves the problem that gold ornaments are required to be positioned on a dispensing machine so as to avoid the problem that the positions of the gold ornaments are deviated due to mistaken touch when the gold ornaments are subjected to dispensing processing by the dispensing device. Comprising a working table, a placing plate located above the working table and a pressure sensor arranged between the working table and the placing plate, a plurality of air holes are formed in the placing plate, a plurality of branch air pipes communicated with the air holes are fixedly connected to the bottom face of the placing plate, and the branch air pipes are jointly communicated with a main air pipe. The main air pipe is communicated with an air extracting pump located in the working table. The device further comprises an air control circuit. When an operator places a gold ornament on the placing plate, the pressure sensor detects and sends a signal, the two comparison circuits judge and output the signal, the trigger circuit enables the motor to work, the air pump exhausts air, the air hole generates airflow, the self-locking circuit keeps the motor to work, and the gold ornament is stably positioned.

Description

Technical Field

[0001] The utility model relates to the technical field of gold ornament processing, in particular to a glue dispensing device for gold ornament processing. Background Art

[0002] Gold jewelry glue dispensing machine is an automated equipment designed for the jewelry industry to accurately apply glue or other adhesives on gold jewelry. This machine can ensure the accuracy of glue dosage and position through a sophisticated control system, thereby improving production efficiency and product quality.

[0003] However, when the dispensing device is actually used, the gold ornaments are required to be positioned on the dispensing machine to prevent the position of the gold ornaments from being shifted due to accidental touch when the dispensing device is performing dispensing processing on the gold ornaments. In this case, the position of the gold ornaments on the dispensing device needs to be re-positioned and identified.

[0004] Therefore, a glue dispensing device for gold jewelry processing is proposed to solve or alleviate the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a glue dispensing device for gold ornament processing.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A glue dispensing device for gold jewelry processing includes a workbench, a placement plate located above the workbench, and a pressure sensor arranged between the workbench and the placement plate, wherein the placement plate is provided with a plurality of air holes, and the bottom surface of the placement plate is fixedly connected with a plurality of bronchi connected with the air holes, and the plurality of bronchi are commonly connected to a main air pipe, and the main air pipe is connected to an air pump located in the workbench, and also includes an air control circuit, the input end of the air control circuit is coupled with the output end of the pressure sensor, and the air control circuit controls the operation of the air pump.

[0008] Preferably, the air pump comprises a motor, and the air control circuit comprises a first voltage comparison circuit, a trigger circuit, and a servo motor controller;

[0009] The output end of the pressure sensor is coupled to the input end of the first voltage comparison circuit. The pressure sensor collects the pressure above the placement plate and outputs a pressure signal to the first voltage comparison circuit. The first voltage comparison circuit responds to the pressure signal and outputs a first comparison signal after determining that the pressure signal is greater than a pressure reference signal therein. The input and output ends of the trigger circuit are respectively coupled to the output end of the first voltage comparison circuit and the input end of the servo motor controller. The trigger circuit controls the servo motor controller to be powered on after responding to the first comparison signal. The servo motor controller is coupled to the motor, and the motor is connected to a power supply.

[0010] Preferably, the first voltage comparison circuit includes a first voltage comparator and a plurality of first resistors.

[0011] Preferably, the trigger circuit comprises a first triode switch.

[0012] Preferably, the gas control circuit further includes a second voltage comparison circuit and a self-locking circuit;

[0013] The input end of the second voltage comparison circuit is coupled to the output end of the pressure sensor. The pressure sensor collects the pressure above the placement plate and outputs a pressure signal to the second voltage comparison circuit. The second voltage comparison circuit responds to the pressure signal and outputs a second comparison signal after determining that the pressure signal is greater than the pressure reference signal therein. The self-locking circuit keeps the motor powered on after responding to the second comparison signal.

[0014] Preferably, the second voltage comparison circuit includes a second voltage comparator and a plurality of second resistors.

[0015] Preferably, the self-locking circuit includes a relay, a relay switch, and a second triode switch, the base of the second triode switch is coupled to the output end of the second voltage comparator, the collector of the second triode switch is electrically connected, the emitter of the second triode switch is connected in series with a relay and then grounded, the relay switch is controlled by the relay, and the relay switch is connected in series to the path of the motor.

[0016] The utility model has the following beneficial effects:

[0017] When an operator places gold ornaments on a placement plate, a pressure sensor detects and sends a signal, two comparison circuits judge and output a signal, a trigger circuit enables a motor to work, an air pump draws air, air holes generate airflow, a self-locking circuit keeps the motor working, and the gold ornaments are firmly positioned. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural block diagram of the gas control circuit in the utility model;

[0021] Figure 3 It is the wiring diagram of the self-locking circuit and the motor in the utility model.

[0022] 1. Workbench; 2. Placement plate; 3. Air hole; 4. Pressure sensor; 5. First voltage comparison circuit; 6. Trigger circuit; 7. Servo motor controller; 8. Motor; 9. Second voltage comparison circuit; 10. Self-locking circuit. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0026] In the description of the present utility model, it should be understood that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present utility model.

[0027] Furthermore, the terms “first”, “second”, “third”, etc. are merely used for distinguishing descriptions and are not to be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] A glue dispensing device for gold jewelry processing, such as Figure 1 As shown, it includes a workbench 1, a placement plate 2 located above the workbench 1, and a pressure sensor 4 arranged between the workbench 1 and the placement plate 2, a plurality of air holes 3 are opened on the placement plate 2, a plurality of bronchi connected with the air holes 3 are fixedly connected to the bottom surface of the placement plate 2, the plurality of bronchi are commonly connected to a main air pipe, the main air pipe is connected to an air pump located in the workbench 1, and also includes an air control circuit, the input end of the air control circuit is coupled to the output end of the pressure sensor 4, and the air control circuit controls the operation of the air pump.

[0030] The air pump comprises a motor 8, such as Figure 2 As shown, the gas control circuit includes a first voltage comparison circuit 5, a trigger circuit 6, a servo motor 8 controller 7, a second voltage comparison circuit 9 and a self-locking circuit 10;

[0031] The output end of the pressure sensor 4 is coupled to the input end of the first voltage comparison circuit 5. The pressure sensor 4 collects the pressure above the placement plate 2 and outputs a pressure signal to the first voltage comparison circuit 5. The first voltage comparison circuit 5 responds to the pressure signal and outputs a first comparison signal after judging that the pressure signal is greater than the pressure reference signal therein. The input and output ends of the trigger circuit 6 are respectively coupled to the output end of the first voltage comparison circuit 5 and the input end of the servo motor 8 controller 7. The trigger circuit 6 controls the servo motor 8 controller 7 to power on after responding to the first comparison signal. The servo motor 8 controller 7 is coupled to the motor 8, and the motor 8 is connected to the power supply setting. The first voltage comparison circuit 5 includes a first voltage comparator and a plurality of first resistors. The trigger circuit 6 includes a first transistor switch.

[0032] like Figure 3 As shown, the input end of the second voltage comparison circuit 9 is coupled to the output end of the pressure sensor 4, the pressure sensor 4 collects the pressure above the placement plate 2 and outputs a pressure signal to the second voltage comparison circuit 9, the second voltage comparison circuit 9 responds to the pressure signal and outputs a second comparison signal after judging that the pressure signal is greater than the pressure reference signal, the self-locking circuit 10 keeps the motor 8 powered on in response to the second comparison signal, the second voltage comparison circuit 9 includes a second voltage comparator, and a plurality of second resistors, the self-locking circuit 10 includes a relay, a relay switch, and a second transistor switch, the base of the second transistor switch is coupled to the output end of the second voltage comparator, the collector of the second transistor switch is connected to the power supply, the emitter of the second transistor switch is connected in series with the relay and then grounded, the relay switch is controlled by the relay, and the relay switch is connected in series in the path of the motor 8.

[0033] During the actual operation of the utility model, the operator places the gold ornaments on the top surface of the placement plate 2. At this time, the pressure on the placement plate 2 increases, so that the pressure sensor 4 collects the pressure and sends a pressure signal. The pressure signal is transmitted to the first voltage comparison circuit 5 and the second voltage comparison circuit 9 at the same time. The first voltage comparison circuit 5 and the second voltage comparison circuit 9 determine whether the pressure signal is greater than the pressure reference signal. If it is greater, the two will output the first comparison signal and the second comparison signal respectively. After the first comparison signal is sent to the trigger circuit 6, the servo motor 8 controller 7 is powered on, and then the motor 8 is controlled to work, and then the air pump is used to evacuate the main air pipe, and then the bronchi are evacuated together, so that the air hole 3 has an airflow from the outside to the bronchi. After the second comparison signal is sent to the self-locking circuit 10, the passage where the motor 8 is located is self-locked, so that it continues to work, so that the gold ornaments can be temporarily positioned on the placement plate 2 and are not easily offset due to the touch of the dispensing head.

[0034] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A glue dispensing device for gold jewelry processing, characterized in that: The device comprises a workbench (1), a placement plate (2) located above the workbench (1), and a pressure sensor (4) arranged between the workbench (1) and the placement plate (2), wherein the placement plate (2) is provided with a plurality of air holes (3), a plurality of bronchi connected to the air holes (3) are fixedly connected to the bottom surface of the placement plate (2), the plurality of bronchi are connected to a main air pipe, the main air pipe is connected to an air pump located inside the workbench (1), and further comprises an air control circuit, the input end of the air control circuit is coupled to the output end of the pressure sensor (4), and the air control circuit controls the operation of the air pump.

2. A glue dispensing device for gold jewelry processing according to claim 1, characterized in that: The air pump comprises a motor (8), and the air control circuit comprises a first voltage comparison circuit (5), a trigger circuit (6), and a servo motor (8) controller (7); The output end of the pressure sensor (4) is coupled to the input end of the first voltage comparison circuit (5). The pressure sensor (4) collects the pressure above the placement plate (2) and outputs a pressure signal to the first voltage comparison circuit (5). The first voltage comparison circuit (5) responds to the pressure signal and outputs a first comparison signal after judging that the pressure signal is greater than a pressure reference signal. The input end and output end of the trigger circuit (6) are respectively coupled to the output end of the first voltage comparison circuit (5) and the input end of the servo motor (8) controller (7). The trigger circuit (6) controls the servo motor (8) controller (7) to be powered on after responding to the first comparison signal. The servo motor (8) controller (7) is coupled to the motor (8), and the motor (8) is connected to a power supply.

3. A glue dispensing device for gold jewelry processing according to claim 2, characterized in that: The first voltage comparison circuit (5) comprises a first voltage comparator and a plurality of first resistors.

4. The glue dispensing device for gold jewelry processing according to claim 2, characterized in that: The trigger circuit (6) comprises a first triode switch.

5. The glue dispensing device for gold jewelry processing according to claim 2, characterized in that: The gas control circuit further comprises a second voltage comparison circuit (9) and a self-locking circuit (10); The input end of the second voltage comparison circuit (9) is coupled to the output end of the pressure sensor (4). The pressure sensor (4) collects the pressure above the placement plate (2) and outputs a pressure signal to the second voltage comparison circuit (9). The second voltage comparison circuit (9) responds to the pressure signal and outputs a second comparison signal after determining that the pressure signal is greater than a pressure reference signal therein. The self-locking circuit (10) keeps the motor (8) powered on after responding to the second comparison signal.

6. The glue dispensing device for gold jewelry processing according to claim 5, characterized in that: The second voltage comparison circuit (9) comprises a second voltage comparator and a plurality of second resistors.

7. The glue dispensing device for gold jewelry processing according to claim 5, characterized in that: The self-locking circuit (10) comprises a relay, a relay switch, and a second triode switch, wherein the base of the second triode switch is coupled to the output end of the second voltage comparator, the collector of the second triode switch is electrically connected, the emitter of the second triode switch is connected in series with the relay and then to ground, the relay switch is controlled by the relay, and the relay switch is connected in series to the path of the motor (8).

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