Product thickness anomaly detection device for die-cutting machine

Abstract

The utility model belongs to the technical field of die cutting production, and particularly relates to a die cutting machine product thickness anomaly detection device which comprises a conveying device, a supporting frame is installed above the conveying device, telescopic rods are fixedly connected to the four corners of the supporting frame respectively, the bottom ends of the telescopic rods are fixedly connected with the conveying device, and the bottom ends of the telescopic rods are fixedly connected with the conveying device. A sliding groove is formed in the surface of the supporting frame. A workpiece passes through the detection wheels, the detection column is pushed to slide up and down through the height difference of the workpiece so as to be close to or far away from the distance sensor, the current thickness change of the workpiece is detected through the distance sensor so as to obtain the current thickness condition of the workpiece, and the workpiece is detected through the multiple groups of detection wheels. The multi-point detection of the thickness of the workpiece is realized, so that the detection surface is enlarged.

Description

Technical Field

[0001] The utility model relates to the technical field of die-cutting production, in particular to a device for detecting abnormal thickness of die-cutting machine products. Background Art

[0002] Die-cut products are prone to abnormal thickness during the production process, that is, the thickness does not meet the standard, too thick or too thin. Too thick is generally caused by: when the raw materials overlap, because the product has multiple layers of raw materials, when the sandwich raw materials overlap, because the joints are included in the multiple layers of raw materials, the visual inspection cannot accurately identify the overlap defective products, and the leakage rate is high, which easily causes defective products to be shipped to the client. During assembly, due to the abnormal poor thickness of the joints, the module is lifted up during the client assembly and cannot be used. Too thin usually occurs less frequently, but when it occurs, it is easy to cause more serious gaps during client assembly.

[0003] The existing Chinese patent with publication number CN115229900A discloses a die-cutting device with a thickness detection function, which includes a frame, a feeding mechanism arranged on the frame, a die-cutting mechanism, a discharging mechanism and a thickness detection mechanism of the frame, wherein the thickness detection mechanism is located between the die-cutting mechanism and the feeding mechanism; the thickness detection mechanism includes a bottom plate, a mounting seat, a distance sensor, an elastic column and a rolling pressure piece, wherein the distance sensor and the mounting seat are both arranged on the frame, wherein one end of the distance sensor and the elastic column are both mounted on the mounting seat, wherein the rolling pressure piece is located above the bottom plate, wherein the rolling pressure piece is rollingly arranged on the other end of the elastic column, and wherein the distance sensor is used to detect the distance between one end of the elastic column and the distance sensor.

[0004] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: the device performs single-point thickness detection on the die-cut product through a thickness detection mechanism, and the detection is not comprehensive and needs to be improved; therefore, a die-cutting machine product thickness abnormality detection device is proposed to address the above-mentioned problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the above-mentioned technical problems, the utility model provides a device for detecting abnormal thickness of products of a die-cutting machine.

[0006] The utility model solves the technical problem by adopting the following technical scheme: a device for detecting abnormal thickness of die-cutting machine products described in the utility model comprises a conveying device, a support frame is installed above the conveying device, four corners of the support frame are respectively fixedly connected with telescopic rods, and the bottom end of the telescopic rod is fixedly connected with the conveying device, a slide groove is opened on the surface of the support frame, a plurality of equally distributed mounting seats are slidably connected inside the slide groove, a thickness detection component is installed at the bottom of the mounting seat, the thickness detection component comprises a detection cylinder, the detection cylinder is fixedly installed at the bottom of the mounting seat, a detection column is slidably connected below the detection cylinder, a detection wheel is rotatably connected at the bottom of the detection column through an axis, a distance sensor is installed inside the detection cylinder, and the distance sensor is fixedly connected with the mounting seat, before die-cutting, the workpiece is placed on the conveying device and transported through the thickness detection component to detect the thickness, during detection, the workpiece passes through the detection wheel, and the detection column is pushed up and down by the height difference of the workpiece to slide close to or away from the distance sensor, the thickness change of the current workpiece is detected by the distance sensor to obtain the current thickness of the workpiece, and the workpiece is detected by multiple groups of detection wheels to realize multi-point detection of the thickness of the workpiece, thereby expanding the detection surface.

[0007] Preferably, a spring is installed inside the detection cylinder, and the detection column is pressed downward by the elastic force of the spring.

[0008] Preferably, electric push rods are fixedly connected to both sides of the support frame, and the electric push rods can be used to pre-adjust the distance between the detection wheel and the conveying device according to the thickness of the workpiece.

[0009] Preferably, the thickness detection component further includes a reading meter, and the reading meter is electrically connected to the distance sensor, and the detection value of the distance sensor is displayed on the reading meter.

[0010] Preferably, a spacing adjustment component is installed on the support frame, and the spacing adjustment component includes a plurality of sliding seats, and the sliding seats are slidably installed on the top of the mounting seat.

[0011] Preferably, a rotating bracket is installed on the opposite side of the adjacent sliding seat, and sliding blocks are hinged at the four corners of the rotating bracket, and the sliding blocks are slidably connected to the adjacent sliding seat.

[0012] Preferably, the spacing adjustment assembly further comprises a bidirectional lead screw, the bidirectional lead screw is threadedly connected to the two outermost sliding seats, and both ends of the bidirectional lead screw are rotatably connected to the support frame.

[0013] Preferably, the side wall of the support frame is fixedly connected with a driver, and the driving end of the driver penetrates the support frame and is fixedly connected with one end of the bidirectional lead screw, and the driver drives the bidirectional lead screw to rotate, so that the outermost sliding seat is adjusted in position, and the rotating bracket drives the remaining sliding seats to adjust their positions, thereby adjusting the spacing between the detection wheels, and synchronously adjusting multiple detection points according to the width of the workpiece. Expanding the scope of application.

[0014] The utility model is beneficial in that:

[0015] 1. The utility model uses a detection wheel to push the detection column up and down to slide close to or away from the distance sensor when the workpiece passes through the detection wheel. The distance sensor detects the thickness change of the current workpiece to obtain the current thickness of the workpiece. The workpiece is detected by multiple sets of detection wheels to achieve multi-point detection of the workpiece thickness, thereby expanding the detection surface.

[0016] 2. The utility model drives the bidirectional lead screw to rotate through a driver, adjusts the sliding seat adjustment position, and then adjusts the spacing between the detection wheels, and synchronously adjusts multiple detection points according to the width of the workpiece, thereby expanding the application area. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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 labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the support frame structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the thickness detection component of the utility model;

[0021] Figure 4 For this utility model Figure 3 A structural diagram of ;

[0022] Figure 5 This is a schematic diagram of the structure of the spacing adjustment component of the utility model.

[0023] In the figure: 1. conveying device; 2. supporting frame; 3. telescopic rod; 4. slide groove; 5. mounting seat; 6. thickness detection component; 61. detection tube; 62. detection column; 63. detection wheel; 64. distance sensor; 65. spring; 7. electric push rod; 8. spacing adjustment component; 81. sliding seat; 82. rotating bracket; 83. slider; 84. bidirectional screw; 9. drive. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1

[0026] See also Figure 1-4 As shown, a device for detecting abnormal thickness of a die-cutting machine product comprises a conveying device 1, a support frame 2 is installed above the conveying device 1, telescopic rods 3 are fixedly connected to the four corners of the support frame 2, and the bottom end of the telescopic rod 3 is fixedly connected to the conveying device 1, a slide groove 4 is provided on the surface of the support frame 2, a plurality of equally spaced mounting seats 5 are slidably connected inside the slide groove 4, a thickness detection component 6 is installed at the bottom of the mounting seat 5, and the thickness detection component 6 comprises a detection cylinder 61, the detection cylinder 61 is fixedly installed at the bottom of the mounting seat 5, a detection column 62 is slidably connected below the detection cylinder 61, and the bottom of the detection column 62 is connected by The shaft is rotatably connected to a detection wheel 63, a distance sensor 64 is installed inside the detection cylinder 61, and the distance sensor 64 is fixedly connected to the mounting seat 5. Before die-cutting, the workpiece is placed on the conveying device 1 and conveyed through the thickness detection component 6 to detect the thickness. During the detection, the workpiece passes through the detection wheel 63, and the height difference of the workpiece pushes the detection column 62 to slide up and down so as to approach or move away from the distance sensor 64. The distance sensor 64 detects the thickness change of the current workpiece to obtain the current thickness of the workpiece, and the workpiece is detected by multiple sets of detection wheels 63 to achieve multi-point detection of the workpiece thickness, thereby expanding the detection surface.

[0027] A spring 65 is installed inside the detection tube 61 , and the detection column 62 is pressed downward by the elastic force of the spring 65 .

[0028] Electric push rods 7 are fixedly connected to both sides of the support frame 2 , respectively. The electric push rods 7 can be used to pre-adjust the distance between the detection wheel 63 and the conveying device 1 according to the thickness of the workpiece.

[0029] The thickness detection component 6 also includes a reading meter, and the reading meter is electrically connected to the distance sensor 64, and the detection value of the distance sensor 64 is displayed on the reading meter.

[0030] Embodiment 2

[0031] For comparison with Example 1, please refer to Figure 5 As shown, the utility model provides another embodiment, a spacing adjustment component 8 is installed on the support frame 2, and the spacing adjustment component 8 includes a plurality of sliding seats 81, and the sliding seats 81 are slidably installed on the top of the mounting seat 5.

[0032] A rotating bracket 82 is installed on the opposite side of the adjacent sliding seat 81 . Slide blocks 83 are hinged at the four corners of the rotating bracket 82 , and the slide blocks 83 are slidably connected to the adjacent sliding seat 81 .

[0033] The spacing adjustment assembly 8 further includes a bidirectional lead screw 84 , which is threadedly connected to the two outermost sliding seats 81 , and both ends of the bidirectional lead screw 84 are rotatably connected to the support frame 2 .

[0034] The side wall of the support frame 2 is fixedly connected with a driver 9, and the driving end of the driver 9 passes through the support frame 2 and is fixedly connected to one end of the bidirectional lead screw 84. The bidirectional lead screw 84 is driven by the driver 9 to rotate, so that the outermost sliding seat 81 is adjusted in position, and the remaining sliding seats 81 are driven to adjust their positions through the rotating bracket 82, thereby adjusting the spacing between the detection wheels 63, and synchronously adjusting multiple detection points according to the width of the workpiece to expand the applicable surface.

[0035] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and according to the actual situation, a suitable controller should be selected to be electrically connected to the conveying device 1, the distance sensor 64, the driver 9 and the electric push rod 7 to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the working order. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control.

[0036] Working principle: before die-cutting, the workpiece is placed on the conveying device 1 and transported through the thickness detection component 6 to detect the thickness. During the detection, the workpiece passes through the detection wheel 63, and the height difference of the workpiece pushes the detection column 62 to slide up and down so as to approach or move away from the distance sensor 64. The distance sensor 64 detects the thickness change of the current workpiece to obtain the current thickness of the workpiece, and the workpiece is detected by multiple sets of detection wheels 63 to achieve multi-point detection of the workpiece thickness and expand the detection surface.

[0037] The bidirectional lead screw 84 is driven by the driver 9 to rotate, so that the outermost sliding seat 81 is adjusted in position, and the remaining sliding seats 81 are driven by the rotating bracket 82 to adjust their positions, thereby adjusting the spacing between the detection wheels 63, and synchronously adjusting multiple detection points according to the width of the workpiece to expand the applicable surface.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A device for detecting abnormal thickness of products of a die-cutting machine, comprising a conveying device (1), characterized in that: A support frame (2) is installed above the conveying device (1), and telescopic rods (3) are fixedly connected to the four corners of the support frame (2), and the bottom end of the telescopic rod (3) is fixedly connected to the conveying device (1). A sliding groove (4) is provided on the surface of the support frame (2), and a plurality of equally spaced mounting seats (5) are slidably connected inside the sliding groove (4). A thickness detection component (6) is installed at the bottom of the mounting seat (5), and the thickness detection component (6) comprises a detection cylinder (61), and the detection cylinder (61) is fixedly installed at the bottom of the mounting seat (5). A detection column (62) is slidably connected below the detection cylinder (61), and the bottom of the detection column (62) is rotatably connected to a detection wheel (63) through an axis, and a distance sensor (64) is installed inside the detection cylinder (61), and the distance sensor (64) is fixedly connected to the mounting seat (5).

2. The device for detecting abnormal thickness of a die-cutting machine product according to claim 1, characterized in that: A spring (65) is installed inside the detection cylinder (61).

3. The device for detecting abnormal thickness of products of a die-cutting machine according to claim 1, characterized in that: Electric push rods (7) are respectively fixedly connected to both sides of the support frame (2).

4. The device for detecting abnormal thickness of a die-cutting machine product according to claim 1, characterized in that: The thickness detection component (6) also includes a reading meter, and the reading meter is electrically connected to the distance sensor (64).

5. The device for detecting abnormal thickness of a die-cutting machine product according to claim 1, characterized in that: A spacing adjustment component (8) is installed on the support frame (2), and the spacing adjustment component (8) includes a plurality of sliding seats (81). The sliding seats (81) are slidably installed on the top of the mounting seat (5).

6. The device for detecting abnormal thickness of products of a die-cutting machine according to claim 5, characterized in that: A rotating bracket (82) is installed on the opposite side of the adjacent sliding seat (81), and sliding blocks (83) are hinged at the four corners of the rotating bracket (82), and the sliding blocks (83) are slidably connected to the adjacent sliding seats (81).

7. The device for detecting abnormal thickness of products of a die-cutting machine according to claim 5, characterized in that: The spacing adjustment assembly (8) further comprises a bidirectional lead screw (84), wherein the bidirectional lead screw (84) is threadedly connected to the two outermost sliding seats (81), and the two ends of the bidirectional lead screw (84) are rotatably connected to the support frame (2).

8. The device for detecting abnormal thickness of products of a die-cutting machine according to claim 7, characterized in that: A driver (9) is fixedly connected to the side wall of the support frame (2), and a driving end of the driver (9) passes through the support frame (2) and is fixedly connected to one end of a bidirectional lead screw (84).

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