Lifting assembly with synchronous belt tension detection function

Abstract

The utility model discloses a lifting assembly with a synchronous belt tension detection function, which is used for being connected with a synchronous belt, the synchronous belt comprises a first section and a second section which are separated from each other, and the lifting assembly with the synchronous belt tension detection function comprises a bearing plate, a first synchronous belt joint, a second synchronous belt joint and a tension sensor, the first synchronous belt connector is connected to one end of the bearing plate so as to be connected with a first section of the synchronous belt, the tension sensor is connected to the other end of the bearing plate, and the second synchronous belt connector is connected to the end, away from the bearing plate, of the tension sensor so as to be connected with a second section of the synchronous belt. According to the scheme, the tension of the synchronous belt can be detected and output in real time, early warning can be performed in advance when the tension of the synchronous belt is reduced, a worker can replace a new synchronous belt when the tension of the synchronous belt is lower than a threshold value, and the problem that a Z-axis load falls due to fatigue fracture of the synchronous belt is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent storage equipment, in particular to a lifting component with synchronous belt tension detection. Background Art

[0002] Semiconductor factories usually use intelligent storage equipment (Stocker) to automatically transport and store material boxes to realize the flow of wafers between different processes. Intelligent storage equipment has multiple layers of storage space, and it uses automatic handling components (Crane) to realize the flow of materials in multiple layers of storage space.

[0003] Existing intelligent storage equipment has a Z-axis, and the automatic handling component is lifted and lowered along the Z-axis under the traction of a synchronous belt. Specifically, one end of the synchronous belt is connected to the drive motor, and the other end is connected to the automatic handling component. Once the synchronous belt breaks due to fatigue, it may have a serious impact on the equipment. Therefore, timely detection of the tension of the synchronous belt to avoid accidental fall of the Z-axis load due to fatigue fracture of the synchronous belt is a problem that people in this field continue to work on. Utility Model Content

[0004] In order to overcome the defects in the prior art, an embodiment of the utility model provides a lifting assembly with synchronous belt tension detection, which is used to detect and output the tension of the synchronous belt in real time. When the tension of the synchronous belt decreases, an early warning can be given. Personnel can replace the synchronous belt with a new one when the tension of the synchronous belt is lower than the threshold, thereby avoiding the problem of Z-axis load falling caused by fatigue fracture of the synchronous belt.

[0005] An embodiment of the present application discloses: a lifting component with synchronous belt tension detection, which is used to be connected to a synchronous belt, wherein the synchronous belt includes a first section and a second section that are separated, and the lifting component with synchronous belt tension detection includes: a bearing plate, a first synchronous belt joint, a second synchronous belt joint and a tension sensor, wherein the first synchronous belt joint is connected to one end of the bearing plate to be connected to the first section of the synchronous belt, the tension sensor is connected to the other end of the bearing plate, and the second synchronous belt joint is connected to an end of the tension sensor facing away from the bearing plate to be connected to the second section of the synchronous belt.

[0006] Specifically, a first mounting portion and a second mounting portion are provided on the bearing plate, the first synchronous belt joint is fixed to the first mounting portion by a first screw, and the tension sensor is fixed to the second mounting portion by a second screw.

[0007] Specifically, the first synchronous belt joint includes a first base plate and a first upper cover, the first base plate is fixed to the first mounting portion by the first screw, the first upper cover is arranged on the first base plate to fasten the first section of the synchronous belt, and the first base plate is provided with a first tooth portion.

[0008] Specifically, the second synchronous belt joint includes a second base plate and a second upper cover, the second base plate is connected to the tension sensor through a pin, the second upper cover is arranged on the second base plate to fasten the second section of the synchronous belt, and the second base plate is provided with a second tooth portion.

[0009] Specifically, the carrying plate is further connected to a side plate, the side plate is provided with a wire groove for accommodating the wires of the tension sensor, and the side plate is further provided with a wire cover plate connected to the opening of the wire groove.

[0010] Specifically, the bearing plate and the side plates are respectively provided with weight-reducing holes.

[0011] Specifically, at least one sliding block is further provided on a side of the bearing plate that is away from the first synchronous belt joint and the second synchronous belt joint.

[0012] The utility model has at least the following beneficial effects: after the lifting assembly with synchronous belt tension detection in this embodiment is connected to the synchronous belt, the tension of the synchronous belt can be detected and output in real time without affecting the normal function of the synchronous belt. When the tension of the synchronous belt decreases, an early warning can be given, and personnel can replace the synchronous belt with a new one when the tension of the synchronous belt is lower than the threshold, avoiding the problem of Z-axis load falling caused by fatigue fracture of the synchronous belt; at the same time, real-time tension detection can also provide data reference for the tensioning force of the synchronous belt.

[0013] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of a lifting assembly with synchronous belt tension detection in an embodiment of the utility model;

[0016] Figure 2 It is a cross-sectional view of a lifting assembly with synchronous belt tension detection in an embodiment of the utility model;

[0017] Figure 3 It is a schematic structural diagram of the first base plate and the second base plate in an embodiment of the present utility model.

[0018] The figure marks of the above drawings are: 1. load-bearing plate; 11. first mounting part; 12. second mounting part; 2. first synchronous belt joint; 21. first base plate; 211. first tooth portion; 22. first upper cover; 3. second synchronous belt joint; 31. second base plate; 311. second tooth portion; 32. second upper cover; 4. tension sensor; 51. first screw; 52. second screw; 53. pin; 6. side plate; 61. wire trough; 7. wire cover plate; 8. slider. DETAILED DESCRIPTION

[0019] 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 in 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.

[0020] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "fixed", 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 directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.

[0021] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Moreover, a first feature being "above", "below" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0022] In the description of this embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application 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 cannot be understood as limiting the scope of protection of the present application.

[0023] In addition, the terms "first", "second", etc. are only used to distinguish in description and have no special meaning.

[0024] The lifting assembly with synchronous belt tension detection of this embodiment can be used to connect with the Z-axis synchronous belt of the intelligent storage equipment (Stocker). The synchronous belt includes a first section and a second section that are separated, one end of the first section is connected to the lifting assembly, and the other end is connected to the automatic handling assembly (Crane); one end of the second section is connected to the lifting assembly, and the other end is connected to the driving motor.

[0025] like Figure 1 As shown, the lifting assembly with synchronous belt tension detection in this embodiment mainly includes: a bearing plate 1, a first synchronous belt joint 2, a second synchronous belt joint 3 and a tension sensor 4. The first synchronous belt joint 2 is connected to one end of the bearing plate 1, and is used to connect with the end of the second section of the synchronous belt away from the automatic handling assembly. The tension sensor 4 is connected to the other end of the bearing plate 1, and the end of the tension sensor 4 away from the bearing plate 1 is connected to the second synchronous belt joint 3, and the second synchronous belt joint 3 is used to connect with the end of the first section of the synchronous belt away from the drive motor. The lifting assembly also includes a display instrument electrically connected to the tension sensor 4.

[0026] By means of the above structure, after the lifting assembly with synchronous belt tension detection of this embodiment is connected to the synchronous belt, the tension of the synchronous belt can be detected and output in real time without affecting the normal function of the synchronous belt. When the tension of the synchronous belt decreases, an early warning can be given, and personnel can replace the synchronous belt with a new one when the tension of the synchronous belt is lower than the threshold, thus avoiding the problem of Z-axis load falling caused by fatigue fracture of the synchronous belt; at the same time, real-time tension detection can also provide data reference for the tension of the synchronous belt.

[0027] like Figure 2 As shown, the carrier plate 1 of this embodiment is provided with a first mounting portion 11 and a second mounting portion 12. The first synchronous belt joint 2 is fixed to the first mounting portion 11 by a first screw 51, and the second synchronous belt joint 3 is fixed to the second mounting portion 12 by a second screw 52.

[0028] Combination Figure 2 and Figure 3As shown, the first synchronous belt joint 2 of this embodiment includes a first base plate 21 and a first upper cover 22. The first base plate 21 is fixed to the first mounting portion 11 of the carrier plate 1 by the above-mentioned first screw 51, and the first upper cover 22 is covered on the first base plate 21. During operation, the end of the first section of the synchronous belt is placed on the first base plate 21, and then the first upper cover 22 is fastened to the carrier plate 1 (in other embodiments, the first upper cover 22 can also be fixed to the first base plate 21). The first base plate 21 and the first upper cover 22 cooperate to press and fix the first section of the synchronous belt. A first tooth portion 211 can also be provided on the first base plate 21, and the first tooth portion 211 can play an anti-slip role and improve the stability of the synchronous belt connection.

[0029] The structure and working principle of the second synchronous belt joint 3 are substantially consistent with those of the first synchronous belt joint 2, and the second synchronous belt joint 3 comprises a second bottom plate 31 and a second upper cover 32. The second bottom plate 31 is fixedly connected to the tension sensor 4 via a pin 53, and the second upper cover 32 is covered on the second bottom plate 31. The second bottom plate 31 and the second upper cover 32 cooperate to compress and fix the second section of the synchronous belt. The second bottom plate 31 is provided with a second tooth portion 311.

[0030] Combination Figure 1 and Figure 3 As shown, the carrier plate 1 of this embodiment is further connected to a side plate 6. The side plate 6 is provided with a wire groove 61, which is used to accommodate the wires of the tension sensor 4, that is, the wire groove 61 is used to store the wires of the tension sensor 4 to prevent the wires from being messy. Preferably, the side plate 6 is also provided with a wire cover plate 7 connected to the opening of the wire groove 61 to prevent the wires from falling out of the wire groove 61.

[0031] like Figure 1 As shown, the bearing plate 1 and the side plate 6 are respectively provided with weight-reducing holes, which can reduce the load of the driving motor.

[0032] like Figure 1 As shown, two sliders 8 are further provided on the side of the carrier plate 1 of this embodiment away from the first synchronous belt joint 2 and the second synchronous belt joint 3. Specifically, the carrier plate 1 includes a first side and a second side opposite to each other, wherein the first side is away from the Z axis and is used to install the first synchronous belt joint 2, the tension sensor 4 and the second synchronous belt joint 3; the second side faces the Z axis and is provided with two sliders 8, and the lifting assembly is connected to the Z axis through the two sliders 8, which can improve the stability and safety of the operation of the lifting assembly.

[0033] The method of using the lifting component with synchronous belt tension detection in this embodiment is as follows: divide the synchronous belt into two sections, one end of the first section is connected to the first synchronous belt joint 2 of the lifting component, and the other end is connected to the automatic handling component, one end of the second end is connected to the driving motor, and the other end is connected to the second synchronous belt joint 3; the two sliders 8 are respectively connected to the guide rails of the Z axis, and in the process of the driving motor driving the synchronous belt to drive the automatic handling component to lift and lower, the tension sensor 4 detects and outputs the tension of the synchronous belt in real time, and the personnel judge whether the synchronous belt needs to be replaced based on the output tension value.

[0034] The present invention uses specific embodiments to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A lifting assembly with synchronous belt tension detection, used to connect with a synchronous belt, the synchronous belt comprising a first section and a second section that are separated, characterized in that: The lifting assembly with synchronous belt tension detection includes: a bearing plate, a first synchronous belt joint, a second synchronous belt joint and a tension sensor, wherein the first synchronous belt joint is connected to one end of the bearing plate to be connected to the first section of the synchronous belt, the tension sensor is connected to the other end of the bearing plate, and the second synchronous belt joint is connected to the end of the tension sensor facing away from the bearing plate to be connected to the second section of the synchronous belt.

2. The lifting assembly with synchronous belt tension detection according to claim 1 is characterized in that: The bearing plate is provided with a first mounting portion and a second mounting portion, the first synchronous belt joint is fixed to the first mounting portion by a first screw, and the tension sensor is fixed to the second mounting portion by a second screw.

3. The lifting assembly with synchronous belt tension detection according to claim 2 is characterized in that: The first synchronous belt joint includes a first base plate and a first upper cover, the first base plate is fixed to the first mounting portion by the first screw, the first upper cover is arranged on the first base plate to fasten the first section of the synchronous belt, and the first base plate is provided with a first tooth portion.

4. The lifting assembly with synchronous belt tension detection according to claim 2, characterized in that: The second synchronous belt joint includes a second bottom plate and a second upper cover, the second bottom plate is connected to the tension sensor via a pin, the second upper cover is arranged on the second bottom plate to fasten the second section of the synchronous belt, and the second bottom plate is provided with a second tooth portion.

5. The lifting assembly with synchronous belt tension detection according to claim 1, characterized in that: The carrying plate is also connected to a side plate, the side plate is provided with a wire groove for accommodating the wires of the tension sensor, and the side plate is also provided with a wire cover plate connected to the opening of the wire groove.

6. The lifting assembly with synchronous belt tension detection according to claim 5, characterized in that: The bearing plate and the side plate are respectively provided with weight-reducing holes.

7. The lifting assembly with synchronous belt tension detection according to claim 1, characterized in that: At least one sliding block is further provided on a side of the bearing plate that is away from the first synchronous belt joint and the second synchronous belt joint.

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