Material box feeding missing piece detection device

Abstract

The utility model discloses a material box feeding missing piece detection device, a material moving mechanism comprises a material abutting assembly and a material moving assembly, the material abutting assembly and the material moving assembly are arranged on a machine table and respectively located on two opposite sides of a belt conveying line, and the material moving assembly pushes or pulls a material box and enables the material box to abut against or be separated from the material abutting assembly. The material blocking mechanism comprises a mounting block, a vertical rod, a first transverse rod, a second transverse rod and a locking block, the mounting block is arranged on the material abutting assembly, the vertical rod is arranged on the mounting block, the first transverse rod is arranged on the vertical rod and is parallel to the feeding direction, and the second transverse rod is arranged on the first transverse rod, is perpendicular to the first transverse rod and is used for blocking the material box from moving forwards. The detection mechanism is located above the belt conveying line and used for visually detecting materials in the material box. The material box is jointly positioned through the material abutting assembly, the material moving assembly and the material blocking mechanism, whether materials in the material box are complete or not is visually detected through the detection mechanism, detection is accurate, detection efficiency is high, and the material box positioning device can be suitable for positioning material boxes of different specifications.

Description

TECHNICAL FIELD

[0001] The utility model relates to material detection device technical field especially relates to a kind of material box feeding missing piece detection device. BACKGROUND

[0002] Material is in the process of being packaged, or in the process of turnover in material box, especially for multiple or multiple materials laid in material box, it needs to detect whether there is material missing (missing piece) condition, to avoid affecting the normal operation of subsequent process. It can be detected by artificial, that is, the variety or quantity of material in each material box is counted by operator, but this method is not only inefficient, but also the labor intensity of operator is large, and it may also appear missed detection or wrong detection condition.

[0003] Due to the emergence of intelligent visual detection (such as camera visual detection), it can be used to replace artificial visual detection, and its automatic positioning with material box can greatly improve the detection efficiency and detection accuracy. In the prior art, when using roller feeding line, the material box in the feeding process can be blocked by lifting cylinder and baffle arranged below the feeding line, but when using belt conveying line with good stable feeding characteristics, the above lifting cylinder and the like are not suitable, and in addition to positioning in the feeding direction, positioning in the side direction is also needed so that the camera and the like can accurately capture the condition of material in the material box for comparison. SUMMARY

[0004] The utility model aims at providing a kind of material box feeding missing piece detection device, material box is fed by belt conveying line, and material box is positioned by the joint action of material resistance component, material moving component and material blocking mechanism, whether the material in material box is complete or missing is detected by detection mechanism visual detection, more accurate, and the detection efficiency is higher, and it can be suitable for the positioning of different specifications of material box.

[0005] To achieve the above purpose, the utility model adopts the technical scheme: a kind of material box feeding missing piece detection device, including machine table, and:

[0006] belt conveying line, it is set in the machine table for conveying material box,

[0007] material moving mechanism, it includes material resistance component and material moving component, both are set in the machine table and are located at the opposite sides of the belt conveying line respectively, the material moving component pushes or pulls material box and makes material box abut or separate from the material resistance component,

[0008] The material blocking mechanism comprises a mounting block, a vertical rod, a first horizontal rod, a second horizontal rod and a locking block, the mounting block is arranged on the material blocking assembly, the vertical rod is arranged on the mounting block, the first horizontal rod is arranged on the vertical rod through the locking block and is parallel to the feeding direction, the second horizontal rod is arranged on the first horizontal rod through the locking block and is perpendicular to the first horizontal rod for blocking the forward movement of the material box,

[0009] The detection mechanism is arranged on the machine table and at least comprises a camera, the camera is located above the belt conveying line for visually detecting the material in the material box.

[0010] As a further optimization, the material moving assembly comprises a translation cylinder and an action plate, the action plate comprises a mounting plate and a pad plate, the mounting plate is arranged on the output end of the translation cylinder, the pad plate is arranged on the mounting plate away from the translation cylinder, the pad plate is provided with a suction hole, the suction hole is connected with a vacuum generator through a gas pipe extending into the pad plate, and the material box can be adsorbed and then dragged to move away from the material blocking assembly through the vacuum negative pressure effect.

[0011] As a further optimization, the material blocking assembly comprises a support part and a support plate, a pair of support parts are arranged on the machine table and are provided with a pair of parallel guide rods therebetween, the mounting block is sleeved and locked on the pair of guide rods, and the support plate is arranged on the pair of support parts and is located above the belt conveying line.

[0012] As a further optimization, the support part comprises a support block, a linear bearing and a support rod, the linear bearing is arranged on the support block, and the support rod is locked in the linear bearing; the guide rod is arranged on the support block; and the support plate is arranged on the support rod.

[0013] As a further optimization, the support plate is provided with a guide plate at each end thereof.

[0014] As a further optimization, the locking block is provided with a pair of perpendicular locking holes, the locking holes are provided with locking bolts, the vertical rod, the first horizontal rod and the second horizontal rod are respectively embedded in the locking holes and are locked through the locking bolts.

[0015] As a further optimization, the vertical rod, the first horizontal rod and the second horizontal rod are all polygonal structures, preferably square in cross section, and the locking holes have a structure matched with the vertical rod, the first horizontal rod and the second horizontal rod, so that the rotation of the vertical rod, the first horizontal rod and the second horizontal rod can be avoided.

[0016] As a further optimization, the detection mechanism further comprises a light source arranged beside the camera, so that the material box can be illuminated.

[0017] As a further optimization, a weigher is also included, and the belt conveyor line is arranged on the weigher.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] 1. The material box is fed by the belt conveyor line, and is positioned by the combined action of the material abutting assembly, the material moving assembly and the material blocking mechanism.

[0020] 2. After detection, the material moving assembly can drive the material box to move away from the material abutting assembly and the material blocking mechanism, and then continue to move along the belt conveyor line and discharge, avoiding the material box being blocked by the second horizontal rod and rubbing against the material abutting assembly.

[0021] 3. The action range of the material blocking mechanism is adjustable, and the first horizontal rod and the second horizontal rod can be arranged to have different extension lengths to position material boxes of different heights and widths, and the structure is simple, does not need electrical components, is convenient to adjust, and is more reliable. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a structural diagram of the utility model.

[0023] Fig. 2 It is a structural diagram of the belt conveyor line, the material moving mechanism and the material blocking mechanism on the machine table of the utility model.

[0024] Fig. 3 It is a structural diagram of the material blocking mechanism installed on the material abutting assembly of the utility model.

[0025] Fig. 4 It is a structural diagram of the material moving assembly of the utility model. DETAILED DESCRIPTION

[0026] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0027] As Figs. 1 to 4As shown, a kind of material box feeding missing part detection device, including machine table 10, belt conveying line 20, material moving mechanism, material blocking mechanism 50 and detection mechanism 60, belt conveying line 20 is set on machine table for feeding material box 10, material moving mechanism includes material resistance component 30 and material moving component 40, two are set on machine table 10 and respectively located at the opposite sides of belt conveying line 20, material moving component 40 works by pushing or pulling material box and material box is abutted or separated from material resistance component 30, material blocking mechanism 50 includes mounting block 51, vertical rod 52, first cross bar 53, second cross bar 54 and locking block, locking block has two, respectively first locking block 551 and second locking block 552, mounting block 51 is set on material resistance component 30, vertical rod 52 is set on mounting block 51, first cross bar 53 is set on vertical rod 52 by first locking block 551, and with the feeding direction of belt conveying line 20 parallel, second cross bar 54 is set on first cross bar 53 by second locking block 552, and with first cross bar 53 vertical for blocking material box forward, detection mechanism is set on machine table 10 and at least includes camera, camera is located above belt conveying line 20 for visual detection material in material box.

[0028] In the utility model, in order to detect whether the material in the material box is complete or missing, the material box is placed on the belt conveying line 20 for feeding, during the feeding process, when the material box moves to the set area (such as being detected by the camera to enter the corresponding area), the material moving assembly 40 acts and abuts with the material box and pushes the material box to abut with the material abutting assembly 30, the material moving assembly 40 resets, the material box can continue to move a certain distance (a relatively small distance) on the belt conveying line 20 and be blocked by the material blocking mechanism 50, at this time, a pair of adjacent side walls of the material box abut with the second horizontal rod 54 in the material blocking mechanism 50 and the material abutting assembly 30 respectively, the adjacent side walls of the material box are positioned by the right angle formed by the second horizontal rod 54 and the material abutting assembly 30, so that the material box completely enters the visual detection area of the camera, and the belt conveying line 20 also stops to realize the static of the material box, and the camera detects the material existing in each area of the material box or whether the material exists in each area according to the control of the set program; after the detection mechanism 60 completes the detection, before the belt conveying line 20 continues to move the material box, the material moving assembly 40 acts and abuts with the material box and separates the material box from the action range of the material abutting assembly 30 and the material blocking mechanism 50 (the second horizontal rod 54), that is, one side wall of the material box does not abut with the material abutting assembly 30 to form friction, and the other side wall is not blocked by the second horizontal plate 54 to cause the material box to be unable to move with the belt conveying line 20, and the belt conveying line 20 can smoothly realize the unloading of the material box after working. It should be noted that the position state of the material box when feeding on the belt conveying line 20 is random and not uniform, and it can be closer to one side of the material abutting assembly 30 or relatively inclined in the horizontal plane relative to the feeding direction, but it can also be pushed by the material moving assembly 40 and abut with the material abutting assembly 30 more closely when moving to the set area, and then be completely positioned after abutting with the second horizontal plate 54.

[0029] Moreover, the relative position relationship of the components in the material blocking mechanism 50 is adjustable, that is, the height of the first horizontal rod 53 relative to the vertical rod 52 can be adjusted by adjusting the first locking block 551, and the extension lengths of the first horizontal rod 53 and the second horizontal rod 54 can be adjusted respectively by adjusting the second locking block 552, so that the final positioning of the material box of different widths and different heights is suitable, and better applicability is obtained. Preferably, a pair of mutually perpendicular locking holes are arranged on the first locking block 551 and the second locking block 552, locking bolts are arranged on the locking holes, and the mutually perpendicular locking holes can ensure that the first horizontal rod 53 and the vertical rod 52 are vertically locked, and the second horizontal rod 54 and the first horizontal rod 53 are vertically locked; in addition, preferably, the vertical rod 52, the first horizontal rod 53 and the second horizontal rod 54 are all polygonal structures, and relative rotation can be avoided.

[0030] The utility model discloses a material box is fed to the belt conveying line 20, and through the common action of the material resistance subassembly 30, material moving subassembly 40 and the material blocking mechanism 50 to the material box is positioned, through the detection mechanism vision detection material in the material box is complete or is missing, and the detection is more accurate, and the detection efficiency is higher, and, after detection, material moving subassembly 40 can drive the material box to separate from the material resistance subassembly 30 and the material blocking mechanism 50 and continue to follow the belt conveying line 20 and move and unload, avoid the material box to be blocked by the second cross bar 54, and continuously rub with the material resistance subassembly 30, in addition, the range of action of first cross bar 53 and second cross bar 54 is adjustable, and the length of the extension of each thereof is set to realize the positioning of the material box of different height and width under the condition of not affecting the normal unloading state of the material box, and the structure is simpler, and the material blocking function is realized without electrification component (such as air cylinder drives baffle), more convenient to adjust, and more reliable.

[0031] Specifically, the material moving subassembly 40 includes a translation cylinder 41 and an action plate 42, the action plate 42 includes a mounting plate 421 and a pad plate 422, the mounting plate 421 is fixed to the output end of the translation cylinder 41, and the pad plate 422 is locked to one side of the mounting plate 421 away from the translation cylinder 41, the pad plate 422 is provided with a suction hole 420, the suction hole 420 is connected with a vacuum generator through a gas pipe 423 extending into the pad plate 422, and the pad plate 422 is formed by combining two plates, a main hole and a first groove communicated with the main hole are processed on one of the two plates, and a second groove matched with the first groove and a plurality of suction holes 420 communicated with the second groove are processed on the other plate; when the two plates are combined, an air passage is formed by the butt joint of the first groove and the second groove, the suction hole 420 is communicated with the main hole through the air passage, and the main hole is used for inserting the gas pipe 423. When the material moving subassembly 40 pushes the material box to move towards the material resistance subassembly 30, the vacuum generator does not work, and the pad plate 422 only realizes the abutting and pushing functions; when it is needed to separate the material box from the action range of the material resistance subassembly 30 and the material blocking mechanism 40, the vacuum generator works after the pad plate 422 is driven to abut against the material box, so that a negative pressure is generated between the suction hole 420 on the pad plate 422 and the side wall of the material box, and thus the material box can be dragged away from the material resistance subassembly 30 when the translation cylinder 41 drives the action plate 42 to move away from the material resistance subassembly 30; and since the side wall of the material box can have different structures, the pad plate 422 and the mounting plate 421 are detachably arranged, so that different forms of pad plates 422 can be replaced to match different material boxes.

[0032] Preferably, the material blocking assembly 30 comprises a support part and a support plate 32, the support part comprises a first support part 31a and a second support part 31b, which are arranged on the machine table 10 and are provided with a pair of parallel guide rods 310 between them, the mounting block 51 is sleeved and locked on the pair of guide rods 310, which can more conveniently and stably position the mounting block 51 and the material blocking mechanism 50, and also can conveniently adjust the position, the support plate 32 is arranged on the pair of support parts 31 and is located above the belt conveying line 20, the pair of guide rods 310 can ensure the position between the pair of support parts, ensure the stability of the position of the support plate 32 and the parallel of the feeding direction of the belt conveying line 20.

[0033] Further, the support part comprises a support block 311, a linear bearing 312 and a support rod 313, the linear bearing 312 is arranged on the support block 311, the support rod 313 is locked in the linear bearing 312, and the support plate 32 is arranged on the support rod 313, the abutting position of the support plate 32 and the material box can be adjusted by adjusting the position of the support rod 313 in the linear bearing 312; the two ends of the guide rod 310 respectively extend into the pair of support blocks 311.

[0034] In addition, the two ends of the support plate 32 are respectively provided with guide plates 321, especially at the feeding position of the material box, the guide plates 321 are provided, and the structure of the flared portion avoids the possibility of blocking the material box.

[0035] The detection mechanism 60 further comprises a light source (not shown) arranged beside the camera, which can realize auxiliary lighting to facilitate the camera to detect.

[0036] The material box feeding missing part detection device further comprises a weighing device, and the belt conveying line 20 is arranged on the weighing device, so that the weighing can be realized, and the auxiliary detection of whether the material box is missing can be realized.

[0037] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A device for detecting missing parts in a material bin, comprising a machine base, characterized in that, Also includes: A belt conveyor line, installed on the machine platform, is used to transport material boxes. The material transfer mechanism includes a material-stopping component and a material-transferring component, which are disposed on the machine platform and located on opposite sides of the belt conveyor. The material-transferring component pushes or pulls the material box and abuts or disengages the material box from the material-stopping component. The material blocking mechanism includes a mounting block, a vertical rod, a first horizontal rod, a second horizontal rod, and a locking block. The mounting block is disposed on the material blocking assembly, the vertical rod is disposed on the mounting block, the first horizontal rod is disposed on the vertical rod via the locking block and is parallel to the feeding direction, and the second horizontal rod is disposed on the first horizontal rod via the locking block and is perpendicular to the first horizontal rod to prevent the material box from moving forward. An inspection mechanism, which is set on the machine platform and includes at least a camera, the camera being positioned above the belt conveyor for visual inspection of materials in the hopper.

2. The material box feeding missing parts detection device according to claim 1, characterized in that, The material transfer assembly includes a translation cylinder and an action plate. The action plate includes a mounting plate and a pad. The mounting plate is located at the output end of the translation cylinder. The pad is located on the side of the mounting plate away from the translation cylinder. The pad is provided with adsorption holes, which are connected to a vacuum generator through an air pipe extending into the pad.

3. The material box feeding missing parts detection device according to claim 1, characterized in that, The material-supporting assembly includes a support part and a support plate. A pair of the support parts are disposed on the machine platform, and a pair of parallel guide rods are provided between them. The mounting block is sleeved and locked onto the pair of guide rods. The support plate is disposed on the pair of support parts and is located above the belt conveyor.

4. The material box feeding missing parts detection device according to claim 3, characterized in that, The support includes a support block, a linear bearing, and a support rod. The linear bearing is mounted on the support block, and the support rod is locked inside the linear bearing. The guide rod is mounted on the support block, and the support plate is mounted on the support rod.

5. The material box feeding missing parts detection device according to claim 3 or 4, characterized in that, Guide plates are provided at both ends of the support plate.

6. The material box feeding missing parts detection device according to claim 1, characterized in that, The locking block is provided with a pair of mutually perpendicular locking holes, and locking bolts are provided in the locking holes.

7. The material box feeding missing parts detection device according to claim 1 or 6, characterized in that, The vertical bar, the first horizontal bar, and the second horizontal bar are all polygonal structures.

8. The material box feeding missing parts detection device according to claim 1, characterized in that, The detection mechanism also includes a light source located next to the camera.

9. The material box feeding missing parts detection device according to claim 1, characterized in that, It also includes a weighing device, on which the belt conveyor is mounted.

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