Mill with thin plate detection capability

Abstract

The utility model discloses a mill with thin plate detection capability, which comprises a conveying belt for conveying plates and a sensor detection device for detecting the plates, the input end side of the conveying belt is provided with a sensor mounting space, and the bottom of the sensor mounting space is lower than the conveying surface of the conveying belt. The sensor detection device is arranged in the sensor installation space and located on a plate conveying path. According to the utility model, by optimizing the structural design of the sensor mounting space, the mounting position of the sensor detection device can be lowered to be below the surface of the conveying belt according to actual requirements, so that high-precision detection and processing can be carried out on a thin plate with the thickness of less than 8mm, the detection and processing capabilities of the mill are greatly improved, and the production efficiency is improved. The problem of a blind area caused by limitation of an installation position in traditional thin plate detection is solved.

Description

Technical Field

[0001] This utility model relates to the field of mill technology, and in particular to a mill with thin plate detection capability. Background Technology

[0002] In the stone processing industry, polishing is a crucial step in improving the surface quality and aesthetics of stone. Stone polishing primarily relies on grinding machines, which use rotating grinding heads (such as abrasive wheels) mounted on them at high speeds to polish the stone. During the polishing process, the thickness and shape of the stone slab need to be monitored to control the installation height of the rotating grinding head. This process not only ensures uniform polishing of the stone surface but also allows the rotating grinding head to avoid defects such as pits and chipped corners naturally formed in the stone, thus preventing problems such as the abrasive on the grinding head being cut by pits, the grinding head chipping the edges of the slab, or damaging the slab during polishing.

[0003] To achieve accurate detection of stone slab thickness, outline shape, and other parameters, a sensor detection box is typically installed on the mill. The sensor detection box comprises several detection components arranged at intervals. Each component consists of a swing arm positioned at the front and rear, and a proximity switch. The detection principle is as follows: when the stone being conveyed by the mill touches the swing arm, the swing arm swings backward. The proximity switch determines the thickness and outline shape of the stone slab by detecting the swing position of the swing arm.

[0004] The sensor detection box can be fixed or, as disclosed in Chinese patent application No. 201921674021.6, can be raised or lowered. Compared to a fixed setup, the raised / lowered configuration allows for adjustment of the sensor detection box's height via a lifting mechanism, accommodating the testing needs of stones of varying thicknesses. However, in existing grinding mills, regardless of whether a lifting function is included, the sensor detection box is typically installed directly above the mill conveyor belt, as disclosed in the patent document. This installation method limits the minimum height at which the sensor detection box can be installed, making it difficult to further lower the detection position. Therefore, when testing thin plates, the force of the thin plate contacting the swing arm is relatively small, and the angle of the swing arm's backward swing is also small. The proximity switch cannot accurately detect the positional change of the swing arm, resulting in an inability to effectively detect and polish plates thinner than 8mm, creating a detection blind zone. Both its detection and processing capabilities still need improvement. Utility Model Content

[0005] The purpose of this invention is to provide a mill with thin plate inspection capabilities.

[0006] The technical solution to achieve the purpose of this utility model is: a mill with thin plate detection capability, including a conveyor belt and a sensor detection device, wherein the input end side of the conveyor belt has a sensor installation space, the bottom of the sensor installation space is lower than the conveying surface of the conveyor belt, and the sensor detection device is set in the sensor installation space and located on the plate conveying path.

[0007] Furthermore, the sensor detection device includes a housing and detection bodies mounted on the housing. Since the number of detection bodies used to detect the surface contour of the sheet material is usually large, when the housing and detection bodies are installed as a whole, all the detection bodies can be installed onto the housing first, and then the sensor detection device can be installed as a whole. This structure of the sensor detection device facilitates installation and makes assembly more convenient.

[0008] Furthermore, the housing includes a housing body and a support frame, with the detection subject mounted on the housing body and the housing body fixed to the support frame. With this structure, when installing the sensor detection device, the installation position can be conveniently set on the support frame, and mounting holes can be opened or welding can be performed on the support frame, thus avoiding damage to the structure of the housing body.

[0009] Furthermore, the detection body includes one or more detection components, each including a swing arm and a proximity switch. The swing arm and the proximity switch are mounted on the housing and spaced apart sequentially along the board conveying path. The swing arm can swing towards the proximity switch. The swing arm and the proximity switch are sequentially arranged along the board conveying path, with the swing axis of the swing arm horizontal and perpendicular to the board conveying path. The horizontal position of the lower end face of the swing arm is lower than the horizontal position of the upper surface of the board on the board conveying path. During operation, when the board is conveyed to the sensor detection device, it contacts the swing arm of the detection body, causing the swing arm to swing towards the proximity switch. The proximity switch detects the position of the swing arm approaching it, thereby determining the surface contour or thickness of the board.

[0010] Furthermore, the number of detection components is several, and these components are arranged at intervals along a direction parallel to the width of the conveyor belt. The multiple detection components perform detection at every point along the width of the sheet material, resulting in more comprehensive detection.

[0011] Furthermore, the box body is mounted on the lifting mechanism. The box body can be fixed or mounted on the lifting mechanism. When the box body is fixed, the thickness range of the sheet metal that the sensor detection device can detect is relatively small. After the box body is mounted on the lifting mechanism, the lifting mechanism drives the sensor detection device, adjusting its installation position so that the thickness range of the sheet metal that the sensor detection device can detect is larger, accommodating the detection of more sheet metals, thus making the grinding mill processing more flexible.

[0012] Furthermore, a first through hole is vertically formed on the box body. The lifting mechanism includes a screw and a nut. The screw is vertically mounted on the frame, passing through the first through hole and the nut. The nut is threadedly engaged with the screw and is located below the first through hole, contacting the bottom surface of the box body. By rotating the nut and adjusting its position upwards or downwards, the installation height of the sensor detection device can be adjusted accordingly. The sensor detection device in the same position can detect plates with a thickness within a certain range. During the grinding process, generally speaking, when detecting different plates with small thickness variations, it is usually not necessary to adjust the installation height of the sensor detection device multiple times; only when detecting different plates with large thickness variations is it necessary to adjust the installation height of the sensor detection device. For plates in the same batch, whose thicknesses are similar or even identical, after adjusting the installation height of the sensor detection device before processing, it is not necessary to adjust the installation height of the sensor detection device multiple times. In other words, during processing, there is no need to frequently adjust the sensor detection device. To address this issue, this invention utilizes a lifting mechanism for manual adjustment. Although manual, it fully meets the requirement of "no frequent adjustments needed." Compared to electric lifting, the lifting mechanism of this invention is simpler and less expensive. Furthermore, in the aforementioned lifting mechanism, the screw is threaded into the nut, rather than directly into the first through-hole of the housing. Adjustment does not require rotating the screw to drive the sensor detection device up and down; instead, simply rotating the nut moves the sensor detection device up and down to adjust its installation height. Compared to the screw-threaded engagement with the first through-hole of the housing, where rotating the screw drives the sensor detection device up and down, this invention eliminates the need to rotate the heavy sensor detection device, making operation more labor-saving and convenient.

[0013] Furthermore, the housing has a second horizontal through hole, and the frame has a first horizontal through channel. The first through channel is vertically positioned, and a first bolt is correspondingly provided in the first through channel. The first bolt passes through the second through hole and the first through channel, and the housing and the frame are fixed together by the first bolt. When adjusting the installation height of the sensor detection device, loosen the first bolt and then move it up and down along the first through channel; after adjusting the installation height of the sensor detection device, tighten the first bolt to secure the housing and the frame. This invention, through the design of the second through hole, the first through channel, and the first bolt, allows the housing and the frame to be fixed together by the first bolt after adjusting the installation height of the sensor detection device. Direct fixation to the frame improves the robustness and stability of the sensor detection device installation.

[0014] Furthermore, the second through hole is a strip-shaped channel, and the second through hole of the strip-shaped channel is parallel to the length direction of the box body. When the second through hole is a strip-shaped channel parallel to the length direction of the box body, the installation position of the sensor detection device can also be adjusted along the length direction of the box body, which facilitates installation.

[0015] Furthermore, the frame includes a frame body and a frame support. The screw is mounted on the frame support, and a second through-hole is provided on the frame support. The second through-hole is parallel to the conveying path of the conveyor belt, and a second bolt is correspondingly provided on the second through-hole. The second bolt passes through the second through-hole and the frame body, and the frame body and the frame support are fixed together by the second bolt. This arrangement allows for convenient adjustment of the installation position of the sensor detection device along a direction parallel to the conveying path of the sheet metal.

[0016] Furthermore, there are two lifting mechanisms, each located at one end of the housing. When polishing stone slabs such as marble, the width span of the mill is relatively large. To simplify installation, two lifting mechanisms are typically installed at both ends of the sensor detection device to lift it.

[0017] Furthermore, a feed plate support is provided on the input end side of the conveyor belt, the feed plate support being spaced apart from the conveyor belt, and the space between the feed plate support and the conveyor belt forming the sensor mounting space. The feed plate support is provided for feeding material onto the conveyor belt of the mill. After the feed plate support is provided, the sensor detection device can be installed at a position adjacent to the feed plate support and the conveyor belt.

[0018] This invention optimizes the structural design of the sensor installation space, allowing the sensor detection device to be installed below the surface of the conveyor belt according to actual needs. This enables high-precision detection and processing of thin plates up to 8mm thick, significantly improving the mill's detection and processing capabilities and solving the blind spot problem caused by installation position limitations in traditional thin plate detection. Furthermore, this invention enhances the flexibility and adaptability of the mill; the sensor detection device can be installed at high or low positions depending on the thickness and type of the plate, meeting diverse detection requirements. This mill has broad application value, particularly suitable for high-precision detection and processing of thin plates, providing a more efficient and reliable solution for related industries. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the mill with thin plate detection capability according to this utility model;

[0020] Figure 2 This is a schematic diagram of the sensor installation space of the mill with thin plate detection capability according to this utility model.

[0021] Figure 3 for Figure 1 A partial structural diagram of the sensor detection device;

[0022] Figure 4 This is a rear view schematic diagram of the sensor detection device and lifting mechanism in a mill with thin plate detection capability according to this utility model.

[0023] Figure 5 This is a schematic diagram of the sensor detection device for a mill with thin plate detection capability according to the present invention. Detailed Implementation

[0024] The preferred embodiment of the mill with thin plate detection capability of this utility model is described in detail below with reference to the accompanying drawings.

[0025] like Figures 1 to 5 As shown, a mill with thin plate detection capability includes a conveyor belt 1 for conveying plates and a sensor detection device 2 for detecting the thickness or surface contour of the plates. The input end of the conveyor belt 1 has a sensor mounting space 10, the bottom of which is lower than the conveying surface of the conveyor belt 1. The sensor detection device 2 is disposed in the sensor mounting space 10 and located on the plate conveying path.

[0026] This utility model relates to a mill with thin plate detection capability. In use, the conveyor belt 1 feeds the plate, and the sensor detection device 2 detects the thickness or surface contour of the conveyed plate. Based on the detection results of the sensor detection device 2, the mill adjusts the processing parameters and performs corresponding polishing processing on the plate.

[0027] This invention relates to a mill with thin-plate detection capabilities, wherein the sensor mounting space 10 is located on the input end side of the conveyor belt 1. At the input end side of the conveyor belt 1, the downward direction is not obstructed by the conveyor belt 1, allowing the sensor mounting space 10 to expand downwards. Under these conditions, by ensuring that the bottom of the sensor mounting space 10 is lower than the horizontal position of the conveying surface of the conveyor belt 1, when the sensor detection device 2 is installed within the sensor mounting space 10, the sensor detection device 2 can not only be installed at a high or low position, but more importantly, its bottom can be installed below the conveying surface of the conveyor belt 1.

[0028] Compared to traditional mills where sensor detection devices are mounted above the conveyor belt and cannot be installed below its surface, this invention provides a sensor mounting space 10 at the input end of the conveyor belt 1, and installs the sensor detection device 2 within this space. This allows the bottom of the sensor detection device 2 to be installed below the surface of the conveyor belt 1, achieving a lower installation position. When two sensor detection devices of the same thickness are mounted at different heights, the sensor detection device 2, with its lower installation position, has a larger swing angle, resulting in a more sensitive response and stronger thin-plate detection capability. Thin plates that cannot be detected and processed in traditional mills due to installation position limitations can be effectively detected and processed in this mill.

[0029] This invention relates to a mill capable of inspecting thin plates. The sensor detection device 2 can be lowered below the surface of the conveyor belt 1 according to actual needs, enabling high-precision inspection and processing of plates thinner than 8mm. This design not only significantly improves the mill's inspection and processing capabilities but also significantly reduces blind spots, ensuring comprehensive inspection and processing of plates of any thickness. Furthermore, this invention enhances the flexibility and adaptability of inspection; the sensor detection device 2 can be installed at a high or low position depending on the thickness and type of the plate to meet diverse inspection requirements.

[0030] In summary, this invention, by optimizing the structural design of the sensor mounting space 10, solves the blind zone problem caused by installation position limitations in traditional thin plate inspection, significantly improving inspection accuracy and efficiency. This invention's mill has broad application value, particularly suitable for high-precision inspection and processing of thin plates, providing a more efficient and reliable solution for related industries.

[0031] This utility model relates to a mill capable of detecting thin plates. Preferably, the sensor detection device 2 includes a housing 21 and a detection body 22 mounted on the housing 21. Since the number of detection bodies 22 for detecting the surface contour of the sheet material is usually large, when the housing 21 and the detection bodies 22 are integrated, during installation, all the detection bodies 22 can be installed onto the housing 21 first, and then the sensor detection device 2 can be installed as a whole. This structure of the sensor detection device 2 facilitates installation and makes assembly more convenient.

[0032] The present invention relates to a mill capable of detecting thin plates. Preferably, the housing 21 includes a housing body 211 and a support 212. The detection body 22 is mounted on the housing body 211, and the housing body 211 is fixed to the support 212. With this structure of the housing 21, when installing the sensor detection device 2, the installation position can be conveniently set on the support 212, and operations such as opening mounting holes or welding can be performed on the support 212, which can avoid damage to the structure of the housing body 211.

[0033] This invention relates to a mill with thin plate detection capabilities. Preferably, the detection body 22 includes one or more detection components 220. Each detection component 220 includes a swing arm 221 and a proximity switch 222. The swing arm 221 and the proximity switch 222 are mounted on the housing 21 and are arranged sequentially at intervals along the plate conveying path. The swing arm 221 can swing towards the proximity switch 222. The swing arm 221 and the proximity switch 222 are arranged sequentially along the plate conveying path. The swing axis of the swing arm 221 is horizontal and perpendicular to the plate conveying path. The horizontal position of the lower end face of the swing arm 221 is lower than the horizontal position of the upper surface of the plate on the plate conveying path. During operation, when the plate is conveyed to the sensor detection device 2, it touches the swing arm 221 of the detection body 22, causing the swing arm 221 to swing and move closer to the proximity switch 222. The proximity switch 222 detects the position of the swing arm 221 that is moving towards it, thereby determining the surface contour or thickness of the plate.

[0034] The present invention relates to a mill capable of inspecting thin plates. Preferably, the number of inspection components 220 is several, and the several inspection components 220 are arranged at intervals along the width direction parallel to the conveyor belt 1. The several inspection components 220 inspect every part of the plate width direction, resulting in more comprehensive inspection.

[0035] This invention relates to a mill with thin plate detection capabilities. Preferably, the housing 21 is mounted on the lifting mechanism 3. The housing 21 can be fixedly installed or mounted on the lifting mechanism 3. When the housing 21 is fixedly installed, the thickness range of the plate material that the sensor detection device 2 can detect is relatively small. In this invention, after the housing 21 is mounted on the lifting mechanism 3, the lifting mechanism 3 drives the sensor detection device 2, adjusting its installation position to allow the sensor detection device 2 to detect a wider range of plate thicknesses, thus adapting to the detection of more plate materials and making the mill processing more flexible.

[0036] This utility model discloses a mill with thin plate detection capability. Preferably, the housing 21 has a first through hole 201 vertically formed on it. The lifting mechanism 3 includes a screw 31 and a nut 32. The screw 31 is vertically mounted on the frame 100 and passes through the first through hole 201 and the nut 32. The nut 32 is threadedly engaged with the screw 31 and is located below the first through hole 201, contacting the bottom surface of the housing 21. By rotating the nut 32 and adjusting its position upwards or downwards, the installation height of the sensor detection device 2 can be adjusted accordingly. The sensor detection device 2 in the same position can detect plates with a thickness within a certain range. During the milling process, generally speaking, when detecting different plates with small thickness variations, it is usually not necessary to adjust the installation height of the sensor detection device 2 multiple times; only when detecting different plates with large thickness variations is it necessary to adjust the installation height of the sensor detection device 2. For sheet metal sheets from the same batch, the thickness difference is small, or even the same. After adjusting the installation height of the sensor detection device 2 before processing, there is no need to adjust the installation height of the sensor detection device 2 multiple times. In other words, there is no need to frequently adjust the sensor detection device 2 during processing. To address this situation, this utility model uses the structure of the lifting mechanism 3 for manual adjustment. Although it is manual adjustment, it fully meets the requirement of "no need for frequent adjustments." Compared with electric lifting, the lifting mechanism 3 of this utility model has a simpler structure and lower cost. In addition, in the aforementioned lifting mechanism 3, the screw 31 is threadedly engaged with the nut 32, rather than directly threadedly engaged with the first through hole 201 of the housing 21. During adjustment, there is no need to rotate the screw 31 to drive the sensor detection device 2 up and down. Instead, simply rotating the nut 32 moves the sensor detection device 2 up and down, thus adjusting the installation height of the sensor detection device 2. Compared to the screw 31 threaded into the first through hole 201 of the housing 21, which drives the sensor detection device 2 to move up and down by rotating the screw 31, this utility model eliminates the need to drive the relatively heavy sensor detection device 2 by rotation, making the operation more labor-saving and convenient.

[0037] This utility model relates to a mill capable of detecting thin plates. Preferably, the housing 21 has a horizontally provided second through hole 202, and the frame 100 has a horizontally provided first through hole 110. The first through hole 110 is vertically arranged, and a first bolt 111 is correspondingly provided in the first through hole 110. The first bolt 111 passes through the second through hole 202 and the first through hole 110, and the housing 21 and the frame 100 are fixed together by the first bolt 111. When adjusting the installation height of the sensor detection device 2, loosen the first bolt 111 and then move it up and down along the first through hole 110; after adjusting the installation height of the sensor detection device 2, tighten the first bolt 111 to secure the housing 21 and the frame 100. This invention, through the design of the second through hole 202, the first through hole 110, and the first bolt 111, allows the housing 21 and the frame 100 to be fixed using the first bolt 111 after the installation height of the sensor detection device 2 has been adjusted. Direct fixing to the frame 100 improves the robustness and stability of the sensor detection device 2 installation.

[0038] In this invention, a mill capable of detecting thin plates is preferably provided in which the second through hole 202 is a strip-shaped channel, and the strip-shaped second through hole 202 is parallel to the length direction of the housing 21. When the second through hole 202 is a strip-shaped channel parallel to the length direction of the housing 21, the installation position of the sensor detection device 2 can also be adjusted along the length direction of the housing 21, facilitating installation.

[0039] The present invention relates to a mill with thin plate detection capability. When the housing 21 includes a housing body 211 and a support 212, the first through hole 201 and the second through hole 202 are located on the support 212.

[0040] This utility model discloses a mill with thin plate detection capabilities. Preferably, the frame 100 includes a frame body 101 and a frame support 102. The screw 31 is mounted on the frame support 102. The frame support 102 has a second through-hole 120 parallel to the conveying path of the conveyor belt 1. A second bolt 112 is correspondingly provided in the second through-hole 120, passing through the second through-hole 120 and the frame body 101. The frame body 101 and the frame support 102 are fixed together by the second bolt 112. This arrangement allows for convenient adjustment of the installation position of the sensor detection device 2 along a direction parallel to the plate conveying path.

[0041] This utility model relates to a mill capable of detecting thin plates. Preferably, there are two lifting mechanisms 3, located at opposite ends of the housing 21. When polishing stone slabs such as marble, the mill has a relatively large width span. To simplify installation, two lifting mechanisms 3 are typically installed at opposite ends of the sensor detection device 2 to work together to lift the sensor detection device 2.

[0042] The present invention relates to a mill with thin plate detection capability. Preferably, a plate feed support 4 is provided on the input end side of the conveyor belt 1. The plate feed support 4 is spaced apart from the conveyor belt 1, and the space between the plate feed support 4 and the conveyor belt 1 forms the sensor mounting space 10. The plate feed support 4 is provided for conveying the plate 200 and feeding the conveyor belt 1 of the mill. After the plate feed support 4 is provided, the sensor detection device 2 can be set at a position adjacent to the plate feed support 4 and the conveyor belt 1.

[0043] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Direct or indirect applications in other related technical fields are similarly included within the patent protection scope of this utility model.

Claims

1. A mill with thin plate detection capability, comprising a conveyor belt and a sensor detection device, characterized in that: The input end of the conveyor belt has a sensor mounting space, the bottom of which is lower than the conveying surface of the conveyor belt. The sensor detection device is set in the sensor mounting space and located on the plate conveying path.

2. The mill with thin plate detection capability according to claim 1, characterized in that: The sensor detection device includes a housing and a detection body mounted on the housing.

3. The mill with thin plate detection capability according to claim 2, characterized in that: The box includes a box body and a support. The detection subject is installed on the box body, and the box body is fixed to the support.

4. The mill with thin plate detection capability according to claim 2, characterized in that: The detection body includes one or more detection components. Each detection component includes a swing arm and a proximity switch. The swing arm and the proximity switch are mounted on the box and are arranged at intervals along the conveying path of the sheet material. The swing arm can be swung towards the proximity switch. The number of detection components is several, and the several detection components are arranged at intervals along the width direction parallel to the conveyor belt.

5. The mill with thin plate detection capability according to claim 2, characterized in that: The box is mounted on the lifting mechanism.

6. The mill with thin plate detection capability according to claim 5, characterized in that: The box body has a first through hole vertically opened. The lifting mechanism includes a screw and a nut. The screw is vertically installed on the frame. The screw passes through the first through hole and the nut. The nut is threadedly engaged with the screw. The nut is located below the first through hole and in contact with the bottom surface of the box body.

7. The mill with thin plate detection capability according to claim 6, characterized in that: The box body is provided with a second through hole horizontally, and the frame is provided with a first through channel horizontally. The first through channel is vertically arranged and a first bolt is provided corresponding to the first through channel. The first bolt passes through the second through hole and the first through channel. The box body and the frame are installed and fixed by the first bolt. The second through hole is a strip-shaped channel and is parallel to the length direction of the box body.

8. The mill with thin plate detection capability according to claim 6, characterized in that: The frame includes a frame body and a frame support. The screw is installed on the frame support. A second through hole is provided on the frame support. The second through hole is parallel to the conveying path of the conveyor belt. A second bolt is provided corresponding to the second through hole. The second bolt passes through the second through hole and the frame body. The frame body and the frame support are fixed together by the second bolt.

9. The mill with thin plate detection capability according to claim 5, characterized in that: There are two lifting mechanisms, which are located at opposite ends of the box.

10. The mill with thin plate detection capability according to claim 1, characterized in that: The input end of the conveyor belt is provided with an inlet plate support, which is spaced apart from the conveyor belt. The space between the inlet plate support and the conveyor belt forms the sensor installation space.

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