Lead screw transmission module for three-axis coating machine

Abstract

The utility model discloses a lead screw transmission module for a three-shaft coating machine, which comprises a base, a transmission part arranged on the base, a sliding block arranged on the transmission part, and a tension spring safety component connected with the base and the sliding block, the tension spring safety component comprises a tension spring, a first fixing piece for hanging the first end of the tension spring and a second fixing piece for hanging the second end of the tension spring, the first fixing piece is installed on the base, and the second fixing piece is installed on the sliding block. The tension spring safety component serves as a safety device, the situation that the sliding part of the lead screw descends and collides during power failure can be avoided, and it is ensured that the product quality of customers meets the expected requirement; the motor synchronous wheel is rotationally connected to the lead screw to control the torque and the speed, multi-mode operation can be achieved in cooperation with the three-axis coating machine, and good practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of coating machines, in particular to a screw transmission module for a three-axis coating machine. Background Art

[0002] The existing desktop three-axis coating machine can solve the functions of soldering, dispensing, screwing, etc. for customers, but because it integrates the functions of soldering machine, dispensing machine, and screw machine, its overall size is too large, and the streamlined mechanism leads to low precision and load, which makes it difficult to achieve the effect of streamlining the mechanism while ensuring performance. In the desktop three-axis coating machine, the screw drive module is an important actuator for reciprocating motion. This module is used to cooperate with the lifting axis of the three-axis coating machine. The existing lifting axis is too large in size, and the precision and load are low. Utility Model Content

[0003] A brief overview of embodiments of the present invention is given below in order to provide a basic understanding of certain aspects of the present invention. It should be understood that the following overview is not an exhaustive overview of the present invention. It is not intended to identify key or important parts of the present invention, nor is it intended to limit the scope of the present invention. Its purpose is merely to present certain concepts in a simplified form as a prelude to a more detailed description discussed later.

[0004] In order to solve the above technical problems, the utility model improves the screw transmission module of the three-axis coating machine to realize a screw transmission module with small size, high precision and large load capacity.

[0005] Specifically, the technical solution adopted by the utility model is a screw transmission module for a three-axis coating machine, including a base, a transmission component arranged on the base, a slider installed on the transmission component, and a tension spring safety component connecting the base and the slider, the tension spring safety component includes a tension spring, a first fixing member hanging the first end of the tension spring, and a second fixing member hanging the second end of the tension spring, the first fixing member is installed on the base, and the second fixing member is installed on the slider.

[0006] In order to maintain balance and further improve the anti-collision performance, further, the tension spring safety components are provided with two, recorded as the first tension spring safety component and the second tension spring safety component; the first tension spring safety component and the second tension spring safety component are respectively arranged on the left and right sides of the base.

[0007] Furthermore, the first fixing member is an L-shaped structure, the first end of the L-shaped structure is provided with a hanging groove for hanging the first end of the tension spring, and the second end of the L-shaped structure is provided with a mounting portion fixedly connected to the base. The mounting portion can be fixedly installed with the base by screws.

[0008] Furthermore, the second fixing member is an L-shaped structure, the first end of the L-shaped structure is provided with a hanging groove for hanging the second end of the tension spring, the second end of the L-shaped structure is provided with a connecting portion fixedly connected to the side wall of the slider, and the connecting portion can be fixedly installed with the side wall of the slider by screws.

[0009] Furthermore, the transmission component includes a guide rail, a screw rod arranged on the guide rail, and a drive motor driving the screw rod to move, the slider is arranged on the screw rod, and the drive motor is connected to the screw rod through a synchronous wheel.

[0010] Furthermore, the shaft end of the driving motor is installed with a back-to-back bearing to eliminate the movement clearance, and the end is installed with a deep groove ball bearing to fix and compensate for the deviation.

[0011] As a specific implementation, further, the base includes a substrate, the guide rail and the screw are fixedly mounted on the substrate, the slider is arranged on the screw and the guide rail, the first fixing member of the tension spring safety component is fixed on the substrate, and the second fixing member is fixed on the slider.

[0012] The utility model adopts the above solution to provide a screw transmission module with an improved structure, which has the following advantages:

[0013] 1. The tension spring safety component is used as a safety device to prevent the sliding part of the screw rod from falling and hitting when the power is off, ensuring that the customer's product quality meets the expected requirements;

[0014] 2. The torque and speed are controlled by the motor synchronous wheel connected to the screw rod, and multi-mode operation can be achieved with the three-axis coating machine;

[0015] 3. In the screw transmission module of the utility model, the screw motor shaft end adopts back-to-back bearings to eliminate the motion clearance, and the end is fixed with a deep groove ball bearing to compensate for the deviation. This structure is compact and lightweight, can bear a load of 10KG, has high positioning accuracy, is stable and reliable, and has low cost, thus meeting the requirements of the operating manufacturer and having a wider and more convenient adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention can be better understood by referring to the following description in conjunction with the accompanying drawings, wherein the same or similar reference numerals are used in all drawings to represent the same or similar components. The accompanying drawings together with the following detailed description are included in and form a part of this specification, and are used to further illustrate the preferred embodiments of the present invention and explain the principles and advantages of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a structural schematic diagram of a screw transmission module according to an embodiment of the utility model. DETAILED DESCRIPTION

[0018] Embodiments of the present invention will be described below with reference to the accompanying drawings. Elements and features described in one drawing or one embodiment of the present invention may be combined with elements and features shown in one or more other drawings or embodiments. It should be noted that for the purpose of clarity, the representation and description of components and processes that are not related to the present invention and are known to those of ordinary skill in the art are omitted in the drawings and descriptions.

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does 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 cannot be understood as a limitation of the present utility model. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" 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 a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] The embodiment of the utility model provides a screw transmission module for a three-axis coating machine, which adds a tension spring safety component to ensure the anti-collision of the sliding part of the screw when the power is off, ensuring that the customer's product quality meets the expected requirements, and is connected to the screw through a motor synchronization wheel to control the torque and speed, so as to cooperate with the three-axis coating machine to realize multi-mode operation.

[0021] Specifically, the utility model is a screw transmission module for a three-axis coating machine, including a base 1, a transmission component arranged on the base 1, a slider 2 installed on the transmission component, and a first tension spring safety component and a first tension spring safety component connecting the base 1 and the slider 2. The first tension spring safety component and the second tension spring safety component have the same structure and are respectively arranged on the left and right sides of the base 1.

[0022] The first tension spring safety member or the second tension spring safety member includes a tension spring 3, a first fixing member 4 hanging the first end of the tension spring 3, and a second fixing member 5 hanging the second end of the tension spring 3. The first fixing member 4 is mounted on the base 1, and the second fixing member 5 is mounted on the slider 2. The tension spring safety member is used as a safety device to prevent the sliding part of the screw rod from falling and hitting when the power is off.

[0023] The first fixing member 4 is an L-shaped structure, the first end of the L-shaped structure is provided with a hanging groove for hanging the first end of the tension spring 3, and the second end of the L-shaped structure is provided with a mounting portion fixedly connected to the base 1. The mounting portion can be fixedly installed with the base 1 by screws. In this embodiment, the second end of the L-shaped structure extends along the length direction of the tension spring 3, and the first end of the L-shaped structure is arranged perpendicular to the second end.

[0024] The second fixing member 5 is an L-shaped structure, the first end of which is provided with a hanging groove for hanging the second end of the tension spring 3, and the second end of the L-shaped structure is provided with a connecting portion fixedly connected to the side wall of the slider 2, and the connecting portion can be fixedly installed with the side wall of the slider 2 by screws.

[0025] The transmission component includes a guide rail 6, a screw rod 7 arranged on the guide rail 6, and a drive motor for driving the screw rod 7 to move. The slider 2 is installed along the screw rod 7, and the drive motor is connected to the screw rod 7 through a synchronous wheel. Among them, the shaft end of the drive motor is installed with a back-to-back bearing to eliminate the movement clearance, and the end is installed with a deep groove ball bearing to fix and compensate for the deviation.

[0026] As a specific implementation method, in this embodiment, the base 1 includes a substrate, a guide rail 6 and a screw rod 7 are fixedly installed on the substrate, the slider 2 is arranged on the screw rod 7 and the guide rail 6, the first fixing member 4 of the tension spring safety component is fixed on the substrate, and the second fixing member 5 is fixed on the slider 2.

[0027] The control method of the screw transmission module is as follows: (1) control by a stepper motor; (2) positioning limitation by a sensor;

[0028] The utility model adopts the above structure, and its screw rod is realized by a customized high-precision screw rod, and the tension spring safety component is realized by a customized tension spring safety device. After the structure is improved, the advantages of small size, high precision and high load are achieved. Compared with the prior art, the screw motor shaft end adopts a back-to-back bearing to eliminate the movement gap, and the end is fixed with a deep groove ball bearing to compensate for the deviation. This structure is compact and lightweight, can bear 10KG, has high positioning accuracy, is stable and reliable, and has low cost, thus meeting the requirements of the operating manufacturer and having a wider and more convenient range of application.

[0029] It should be emphasized that the term “include / comprises” when used herein refers to the presence of features, elements, steps or components, but does not exclude the presence or addition of one or more other features, elements, steps or components.

[0030] Although the utility model has been disclosed above through the description of the specific embodiments of the utility model, it should be understood that all the above embodiments and examples are exemplary rather than restrictive. Those skilled in the art can design various modifications, improvements or equivalents of the utility model within the spirit and scope of the attached claims. These modifications, improvements or equivalents should also be considered to be included in the protection scope of the utility model.

Claims

1. A screw drive module for a three-axis coating machine, characterized in that: It includes a base, a transmission component arranged on the base, a slider installed on the transmission component, and a tension spring safety component connecting the base and the slider, the tension spring safety component includes a tension spring, a first fixing component hanging the first end of the tension spring, and a second fixing component hanging the second end of the tension spring, the first fixing component is installed on the base, and the second fixing component is installed on the slider.

2. The screw drive module for a three-axis coating machine according to claim 1, characterized in that: The tension spring safety components are provided with two, which are marked as a first tension spring safety component and a second tension spring safety component; the first tension spring safety component and the second tension spring safety component are respectively arranged on the left and right sides of the base.

3. The screw drive module for a three-axis coating machine according to claim 1, characterized in that: The first fixing member is an L-shaped structure, the first end of the L-shaped structure is provided with a hanging groove for hanging the first end of the tension spring, and the second end of the L-shaped structure is provided with a mounting portion fixedly connected to the base.

4. The screw drive module for a three-axis coating machine according to claim 3, characterized in that: The second end of the L-shaped structure extends along the length direction of the tension spring, and the first end of the L-shaped structure is arranged perpendicular to the second end.

5. The screw drive module for a three-axis coating machine according to claim 1, characterized in that: The second fixing member is an L-shaped structure, a first end of the L-shaped structure is provided with a hanging groove for hanging the second end of the tension spring, and a second end of the L-shaped structure is provided with a connecting portion fixedly connected to the side wall of the slider.

6. The screw drive module for a three-axis coating machine according to claim 1, characterized in that: The transmission component comprises a guide rail, a lead screw arranged on the guide rail, and a driving motor for driving the lead screw to move; the slider is arranged on the lead screw, and the driving motor is connected to the lead screw via a synchronous wheel.

7. The screw drive module for a three-axis coating machine according to claim 6, characterized in that: The base comprises a base plate, a guide rail and a lead screw are fixedly mounted on the base plate, a slider is arranged on the lead screw and the guide rail, a first fixing piece of the tension spring safety component is fixed on the base plate, and a second fixing piece is fixed on the slider.

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