Product size automatic measuring device for irregular products

Abstract

The application discloses an automatic product size measuring device for irregular products, which comprises an automatic conveying belt, a gantry body, a hand brake feeding guide unit, a hand brake blocking unit, a feeding lifting driving unit, a hand brake overturning feeding unit, a size measuring platform, a primary discharge box, a hand brake positioning platform, a size measuring feeding unit, a size measuring unit and a size unqualified discharge unit. The size measuring feeding unit can transfer the hand brake to be measured among the hand brake overturning feeding unit, the primary discharge box, the hand brake positioning platform, the size measuring unit and the size unqualified discharge unit. The automatic product size measuring device for irregular products is easy to realize the measurement of the product size of the irregular products at multiple points, can be widely embedded into various assembly devices, seamlessly connects various assembly processes, rationally utilizes space, effectively reduces site cost, realizes the automatic assembly of continuous products, rationally reduces labor cost, and is stable and efficient in the product assembly process, and has a reasonable structure.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of advanced production and automation technology, and particularly relates to a product size automatic measuring device for irregular products. BACKGROUND

[0002] Electronic hand brake is a technology for realizing parking brake by electronic control mode, and its working principle is the same as that of mechanical hand brake, that is, parking brake is realized by friction force generated by brake disc and brake pad. In the assembly process of electronic hand brake, the commonly used assembly processes include cleaning, balancing, threaded connection, interference fit connection, gluing, correction, etc. In addition, other assembly processes such as welding, riveting, rolling, pressing and casting connection can also be applied to meet the needs of various product structures. The traditional assembly method has its advantages for different products, but it is not suitable for the assembly of irregular products.

[0003] In the assembly process of such irregular electronic hand brake, the outer dimension of the electronic hand brake needs to be measured. The traditional measurement method mainly uses manpower to detect the measured object, but for electronic hand brake, the use of traditional measurement method for detection is obviously very low in work efficiency, and it is difficult to measure accurate data.

[0004] At present, intelligent measurement methods such as machine vision-based measurement method, drainage method, ultrasonic measurement method and laser scanning method are more and more applied to product outer dimension detection. However, the above measurement methods have some disadvantages to varying degrees, for example: they may cause damage to the measured object to a certain extent, the measurement process is inconvenient, the instrument is expensive, the device operation is complex, the measurement data is inaccurate and many other problems. SUMMARY

[0005] The purpose of the present application is to provide a product size automatic measuring device for irregular products, which solves the problem that the existing detection technology cannot accurately detect the irregular electronic hand brake during the detection process, or uses large and expensive precision measuring equipment, which cannot be well matched with the electronic hand brake assembly line, resulting in great limitations in the assembly process of the electronic hand brake due to the limitation of the size measuring equipment.

[0006] The technical scheme of the present application provides an irregular product size automatic measuring equipment, which comprises an automatic conveying belt, a gantry body, a hand brake feeding guide unit, a hand brake blocking unit, a feeding lifting driving unit, a hand brake overturning feeding unit, a size measuring platform, a preliminary discharge box, a hand brake positioning platform, a size measuring feeding unit, a size measuring unit and a size unqualified discharge unit, the gantry body and the size measuring platform are both arranged on the automatic conveying belt, and the size measuring platform is located behind the gantry body along the conveying direction of the automatic conveying belt, a group of hand brakes to be measured are arranged on the automatic conveying belt, the hand brake feeding guide unit is arranged on the gantry body and located on the side of the gantry body close to the starting end of the automatic conveying belt, the hand brake blocking unit is arranged on the gantry body and located above the automatic conveying belt, the hand brake blocking unit is located behind the hand brake feeding guide unit along the conveying direction of the automatic conveying belt, the feeding lifting driving unit is arranged on the gantry body and located on the side of the gantry body close to the end of the automatic conveying belt, the hand brake overturning feeding unit is connected with the feeding lifting driving unit and located directly above the hand brake blocking unit, the preliminary discharge box, the hand brake positioning platform, the size measuring feeding unit, the size measuring unit and the size unqualified discharge unit are all arranged on the size measuring platform, the preliminary discharge box and the hand brake overturning feeding unit are arranged opposite to each other, the hand brake positioning platform is located on one side of the preliminary discharge box, and the size measuring feeding unit can transfer the hand brake to be measured among the hand brake overturning feeding unit, the preliminary discharge box, the hand brake positioning platform, the size measuring unit and the size unqualified discharge unit.

[0007] Further, the size measuring platform is provided with a rectangular opening on one side of the position opposite to the hand brake overturning feeding unit.

[0008] Further, the product size automatic measuring device for irregular products described above, the handbrake positioning platform comprises a set of support columns, a positioning platform, a fixed positioning block, a positioning driving cylinder one, a positioning driving cylinder two, a positioning driving cylinder three, a movable positioning block one, a movable positioning block two, a movable positioning block three and a cushion block, the lower end of the set of support columns is fixedly arranged on the upper table surface of the size measuring platform, the positioning platform is connected with the upper end of the set of support columns, the fixed positioning block and the cushion block are both fixedly arranged on the upper end surface of the positioning platform, and the fixed positioning block and the cushion block are arranged opposite to each other, the fixed positioning block, the movable positioning block one, the movable positioning block two and the movable positioning block three are respectively located at the positions of the four edges of the rectangular section, the movable positioning block one is on the same side as the cushion block, the movable positioning block two and the movable positioning block three are arranged opposite to each other, the positioning driving cylinder one, the positioning driving cylinder two and the positioning driving cylinder three are all fixedly arranged on the lower end surface of the positioning platform, the movable positioning block two is connected with the piston rod of the positioning driving cylinder one, the movable positioning block two is connected with the piston rod of the positioning driving cylinder two, and the movable positioning block three is connected with the piston rod of the positioning driving cylinder three, one end of the handbrake to be measured is abutted against the fixed positioning block, and the lower end surface of the other end of the handbrake to be measured is arranged on the cushion block, and the handbrake to be measured is arranged in the range surrounded by the fixed positioning block, the movable positioning block one, the movable positioning block two and the movable positioning block three. In order to realize the size measurement of irregular products, the mechanism utilizes the product shape size to make a profiling clamp, and realizes rapid positioning of the product through the movement of the cylinder sliding table.

[0009] Further, the product size automatic measuring device for irregular products described above, the size measuring feeding unit comprises a support frame, an X-axis linear module, a Y-axis linear module, a material taking lifting driving cylinder, a material taking suction disc and a material taking suction disc mounting plate, the support frame is fixedly arranged on the upper table surface of the size measuring platform, the X-axis linear module is arranged on the support frame, the Y-axis linear module is connected with the X-axis linear module, the material taking lifting driving cylinder is connected with the Y-axis linear module, the material taking suction disc mounting plate is connected with the piston rod of the material taking lifting driving cylinder, the material taking suction disc is arranged on the material taking suction disc mounting plate, and the X-axis linear module, the Y-axis linear module and the material taking lifting driving cylinder can drive the material taking suction disc to adsorb the handbrake to be measured on the handbrake overturning feeding unit. At the same time, two sets of private service motors are driven to run the lead screws to the X and Y axis positions where the product size needs to be measured, and the high-precision displacement sensor is used to contact the product to measure the size of different positions of the product.

[0010] Further, the product size automatic measuring device for irregular products described above, the size measuring unit comprises a measuring support beam, a handbrake positioning clamp, a height measuring drive cylinder, a length measuring drive cylinder, a height measuring displacement sensor, a length measuring displacement sensor, a height sensor mounting seat and a length sensor mounting seat, the measuring support beam is connected with the Y-axis linear module, the handbrake positioning clamp is fixedly arranged on the upper surface of the size measuring platform, and the handbrake positioning clamp is provided with a handbrake to be measured; the height measuring drive cylinder is connected with the measuring support beam; the height sensor mounting seat is connected with the piston rod of the height measuring drive cylinder; the height measuring displacement sensor is arranged on the height sensor mounting seat and located above the handbrake to be measured; the testing head of the height measuring displacement sensor is in contact with the handbrake to be measured; the length measuring drive cylinder is fixedly arranged on the upper surface of the size measuring platform; the length sensor mounting seat is connected with the piston rod of the length measuring drive cylinder; the length measuring displacement sensor is arranged on the length sensor mounting seat; and the length measuring drive cylinder can drive the length measuring displacement sensor to be in contact with the outer wall of the handbrake to be measured. The height measuring displacement sensor and the length measuring displacement sensor are high-precision displacement sensors of Keyence.

[0011] Further, the product size automatic measuring device for irregular products described above, the handbrake positioning clamp comprises a positioning horizontal drive cylinder, a clamp mounting plate, a positioning vertical drive cylinder, a positioning pressure head, a positioning pressure head mounting plate, a clamp support seat and a set of product measuring positioning blocks, the positioning horizontal drive cylinder and the clamp support seat are fixedly arranged on the upper surface of the size measuring platform, the clamp mounting plate is connected with the positioning horizontal drive cylinder, the positioning vertical drive cylinder is fixedly arranged on the vertical side wall of the clamp mounting plate, the positioning pressure head mounting plate is connected with the positioning vertical drive cylinder, the positioning pressure head is connected with the positioning pressure head mounting plate and can be in contact with the inner wall of the handbrake to be measured, and the set of product measuring positioning blocks are fixedly arranged on the upper end surface of the clamp support seat and provided with the handbrake to be measured.

[0012] Further, the product size automatic measuring device for irregular products described above, the size unqualified discharge unit comprises an unqualified product receiving box, a horizontal linear guide rail, a horizontal sliding plate and a discharge drive cylinder, the horizontal linear guide rail is fixedly arranged on the upper surface of the size measuring platform, the discharge drive cylinder is arranged on the lower surface of the size measuring platform and connected with the horizontal sliding plate through the piston rod, the horizontal sliding plate is slidably connected with the horizontal linear guide rail, the unqualified product receiving box is connected with the upper end surface of the horizontal sliding plate, the upper surface of the size measuring platform is provided with a qualified product discharge hole, the qualified product discharge hole is provided with a qualified product discharge channel, and the discharge outlet of the qualified product discharge channel is located directly above the automatic conveying belt.

[0013] Further, the product size automatic measuring equipment for irregular products described above, the hand brake feeding guide unit comprises a guide driving unit, a horizontal straight line slide rail one, a guide plate one, a guide plate two, a guide plate one support and a guide plate two support, the guide driving unit and the horizontal straight line slide rail one are both arranged on the gantry body, the guide driving unit is connected with the guide plate one support and the guide plate two support, and the guide plate one support and the guide plate two support are slidingly connected with the horizontal straight line slide rail one, the guide plate one support and the guide plate two support are symmetrically arranged, the guide plate one and the guide plate two are symmetrically arranged, and the guide plate one and the guide plate two are located above the automatic conveying belt, one end of the guide plate one is connected with the guide plate one support, and one end of the guide plate two is connected with the guide plate two support.

[0014] Further, the product size automatic measuring equipment for irregular products described above, the hand brake feeding guide unit comprises a guide driving unit, a horizontal straight line slide rail one, a guide plate one, a guide plate two, a guide plate one support and a guide plate two support, the guide driving unit and the horizontal straight line slide rail one are both arranged on the gantry body, the guide driving unit is connected with the guide plate one support and the guide plate two support, and the guide plate one support and the guide plate two support are slidingly connected with the horizontal straight line slide rail one, the guide plate one support and the guide plate two support are symmetrically arranged, the guide plate one and the guide plate two are symmetrically arranged, and the guide plate one and the guide plate two are located above the automatic conveying belt, one end of the guide plate one is connected with the guide plate one support, and one end of the guide plate two is connected with the guide plate two support.

[0015] Further, the product size automatic measuring equipment for irregular products described above, the hand brake feeding guide unit comprises a guide driving unit, a horizontal straight line slide rail one, a guide plate one, a guide plate two, a guide plate one support and a guide plate two support, the guide driving unit and the horizontal straight line slide rail one are both arranged on the gantry body, the guide driving unit is connected with the guide plate one support and the guide plate two support, and the guide plate one support and the guide plate two support are slidingly connected with the horizontal straight line slide rail one, the guide plate one support and the guide plate two support are symmetrically arranged, the guide plate one and the guide plate two are symmetrically arranged, and the guide plate one and the guide plate two are located above the automatic conveying belt, one end of the guide plate one is connected with the guide plate one support, and one end of the guide plate two is connected with the guide plate two support.

[0016] The above technical scheme can be seen that the present application has the following beneficial effects:

[0017] 1. Measure the size of irregular products, this structure can be widely embedded in various assembly measurement product size.

[0018] 2. Realize the automatic assembly of continuous products, and reasonably reduce the labor cost.

[0019] 3. High stability in product measurement data process. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole structure schematic view of product size automatic measurement equipment of irregular product of the application;

[0021] Figure 2 It is local structure schematic view of product size automatic measurement equipment of irregular product of the application Figure 1 ;

[0022] Figure 3 It is local structure schematic view of product size automatic measurement equipment of irregular product of the application Figure 2 ;

[0023] Figure 4 It is structure schematic view of test platform of the application;

[0024] Figure 5 It is structure schematic view of handbrake positioning platform of the application Figure 1 ;

[0025] Figure 6 It is structure schematic view of handbrake positioning platform of the application Figure 2 ;

[0026] Figure 7 It is structure schematic view of handbrake positioning platform of the application Figure 3 ;

[0027] Figure 8 It is local structure schematic view of product size automatic measurement equipment of irregular product of the application Figure 3 ;

[0028] Figure 9 It is local structure schematic view of product size automatic measurement equipment of irregular product of the application Figure 4 ;

[0029] Figure 10 It is local structure schematic view of product size automatic measurement equipment of irregular product of the application Figure 5 ;

[0030] Figure 11 It is local structure schematic view of product size automatic measurement equipment of irregular product of the application Figure 6 ;

[0031] Figure 12 It is structure schematic view of handbrake positioning fixture of the application Figure 1 ;

[0032] Figure 13 Structure diagram of the positioning clamp of the hand brake Figure 2 ;

[0033] Figure 14 Structure diagram of the feeding guide unit of the hand brake

[0034] Figure 15 Structure diagram of the guide driving unit

[0035] Figure 16 Structure diagram of the hand brake blocking unit, the feeding lifting driving unit and the hand brake overturning feeding unit Figure 1 ;

[0036] Figure 17 Structure diagram of the hand brake blocking unit, the feeding lifting driving unit and the hand brake overturning feeding unit Figure 2 .

[0037] In the figure: automatic conveying belt 1, gantry body 2, vertical mounting plate two 21, feeding guide buffer 22, hand brake feeding guide unit 3, guide driving unit 31, guide driving wheel 311, guide driven wheel 312, guide gear belt 313, gear belt clamping plate one 314, gear belt clamping plate two 315, horizontal linear slide one 32, guide plate one 33, inclined surface one 331, guide plate two 34, guide plate one bracket 35, horizontal slide one 351, buffer block 352, guide plate two bracket 36, hand brake blocking unit 4, U-shaped bracket 41, limiting plate 42, blocking plate 43, U-shaped limiting groove 44, feeding lifting driving unit 5, lifting mounting plate 51, lifting driving cylinder 52, vertical guide rail 53, vertical slide 54, hand brake turnover feeding unit 6, rotary cylinder one 61, right-angle mounting plate 62, rotary cylinder two 63, suction disc mounting plate 64, feeding suction disc 65, rectangular opening 800, size measuring platform 801, initial discharge box 802, hand brake positioning platform 803, size measuring feeding unit 804, size measuring unit 805, size unqualified discharge unit 806, supporting column 807, positioning platform 808, fixed positioning block 809, positioning driving cylinder one 810, positioning driving cylinder two 811, positioning driving cylinder three 812, movable positioning block one 813, movable positioning block two 814, movable positioning block three 815, cushion block 816, support frame 817, X-axis linear module 818, Y-axis linear module 819, taking material lifting driving cylinder 820, taking material suction disc 821, taking material suction disc mounting plate 822, measuring support beam 823, hand brake positioning clamp 824, height measuring driving cylinder 825, length measuring driving cylinder 826, height measuring displacement sensor 827, length measuring displacement sensor 828, height sensor mounting seat 829, length sensor mounting seat 830, positioning horizontal driving cylinder 831, clamp mounting plate 832, positioning vertical driving cylinder 833, positioning pressure head 834, positioning pressure head mounting plate 835, unqualified product receiving box 836, horizontal linear guide rail 837, horizontal slide 838, discharge driving cylinder 839, qualified product discharge hole 840, qualified product discharge channel 841, clamp support seat 842, product measuring positioning block 843. DETAILED DESCRIPTION

[0038] Embodiments of the present application are described in detail below with reference to the attached drawings, which show examples of the embodiments, wherein like or similar elements are shown with the same or similar reference numerals throughout the figures. The embodiments described below are exemplary, and are intended to be illustrative of the present application, and are not to be construed as limiting the present application.

[0039] In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0040] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more, unless otherwise explicitly limited.

[0041] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] In the present application, unless otherwise explicitly specified and limited, the first feature "above" or "below" the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature. Embodiments

[0043] As Figures 1-3The irregular product product size automatic measuring equipment shown, including automatic conveying belt 1, gantry body 2, hand brake feeding guide unit 3, hand brake blocking unit 4, feeding lifting driving unit 5, hand brake overturning feeding unit 6, size measuring platform 801, initial discharge box 802, hand brake positioning platform 803, size measuring feeding unit 804, size measuring unit 805 and size unqualified discharge unit 806, the gantry body 2 and the size measuring platform 801 are both across the automatic conveying belt 1, and the size measuring platform 801 is located behind the gantry body 2 along the conveying direction of the automatic conveying belt 1, a group of hand brakes to be measured are provided on the automatic conveying belt 1, the hand brake feeding guide unit 3 is arranged on the gantry body 2, and the hand brake feeding guide unit 3 is located on the side of the gantry body 2 close to the starting end of the automatic conveying belt 1, the hand brake blocking unit 4 is arranged on the gantry body 2, and the hand brake blocking unit 4 is located above the automatic conveying belt 1, the hand brake blocking unit 4 is located behind the hand brake feeding guide unit 3 along the conveying direction of the automatic conveying belt 1, the feeding lifting driving unit 5 is arranged on the gantry body 2, and the feeding lifting driving unit 5 is located on the side of the gantry body 2 close to the end of the automatic conveying belt 1, the hand brake overturning feeding unit 6 is connected with the feeding lifting driving unit 5, and the hand brake overturning feeding unit 6 is located directly above the hand brake blocking unit 4, the initial discharge box 802, the hand brake positioning platform 803, the size measuring feeding unit 804, the size measuring unit 805 and the size unqualified discharge unit 806 are all arranged on the size measuring platform 801, the initial discharge box 802 and the hand brake overturning feeding unit 6 are arranged opposite to each other, the hand brake positioning platform 803 is located on one side of the initial discharge box 802, the size measuring feeding unit 804 can transfer the hand brake to be measured between the hand brake overturning feeding unit 6, the initial discharge box 802, the hand brake positioning platform 803, the size measuring unit 805 and the size unqualified discharge unit 806.

[0044] As Figure 4 The size measuring platform 801 is provided with a rectangular opening 800 on one side of the position opposite to the hand brake overturning feeding unit 6, and the initial discharge box 802 is arranged at the position of the rectangular opening 800.

[0045] As Figures 5-7The handbrake positioning platform 803 shown includes a set of support columns 807, a positioning platform 808, a fixed positioning block 809, a positioning drive cylinder one 810, a positioning drive cylinder two 811, a positioning drive cylinder three 812, a movable positioning block one 813, a movable positioning block two 814, a movable positioning block three 815, and a cushion block 816. The lower end of the set of support columns 807 is fixedly arranged on the upper table surface of the size measurement platform 801. The positioning platform 808 is connected to the upper end of the set of support columns 807. The fixed positioning block 809 and the cushion block 816 are both fixedly arranged on the upper end surface of the positioning platform 808, and the fixed positioning block 809 and the cushion block 816 are arranged opposite to each other. The fixed positioning block 809, the movable positioning block one 813, the movable positioning block two 814, and the movable positioning block three 815 are respectively located at the positions of the four edges of a rectangular cross section. The movable positioning block one 813 is on the same side as the cushion block 816. The movable positioning block two 814 and the movable positioning block three 815 are arranged opposite to each other. The positioning drive cylinder one 810, the positioning drive cylinder two 811, and the positioning drive cylinder three 812 are all fixedly arranged on the lower end surface of the positioning platform 808. The movable positioning block two 814 is connected to the piston rod of the positioning drive cylinder one 810. The movable positioning block two 814 is connected to the piston rod of the positioning drive cylinder two 811. The movable positioning block three 815 is connected to the piston rod of the positioning drive cylinder three 812. One end of the handbrake to be measured is arranged against the fixed positioning block 809, and the lower end surface of the other end of the handbrake to be measured is arranged on the cushion block 816. The handbrake to be measured is arranged within the range surrounded by the fixed positioning block 809, the movable positioning block one 813, the movable positioning block two 814, and the movable positioning block three 815.

[0046] As shown in Figure 8 , 9 The size measurement feeding unit 804 shown includes a support frame 817, an X-axis linear module 818, a Y-axis linear module 819, a feeding lifting drive cylinder 820, a feeding suction cup 821, and a feeding suction cup mounting plate 822. The support frame 817 is fixedly arranged on the upper table surface of the size measurement platform 801. The X-axis linear module 818 is arranged on the support frame 817. The Y-axis linear module 819 is connected to the X-axis linear module 818. The feeding lifting drive cylinder 820 is connected to the Y-axis linear module 819. The feeding suction cup mounting plate 822 is connected to the piston rod of the feeding lifting drive cylinder 820. The feeding suction cup 821 is arranged on the feeding suction cup mounting plate 822. The X-axis linear module 818, the Y-axis linear module 819, and the feeding lifting drive cylinder 820 can drive the feeding suction cup 821 to adsorb the handbrake to be measured on the handbrake turnover feeding unit 6.

[0047] As shown in Figure 10 , 11The size measuring unit 805 shown includes a measuring support beam 823 connected with the Y-axis linear module 819, a handbrake positioning clamp 824 fixedly arranged on the upper table top of the size measuring platform 801 and provided with a handbrake to be measured, a height measuring drive cylinder 825 connected with the measuring support beam 823, a height sensor mounting seat 829 connected with the piston rod of the height measuring drive cylinder 825, a height measuring displacement sensor 827 arranged on the height sensor mounting seat 829 and located above the handbrake to be measured, a test head of the height measuring displacement sensor 827 being in contact with the handbrake to be measured, a length measuring drive cylinder 826 fixedly arranged on the upper table top of the size measuring platform 801, a length sensor mounting seat 830 connected with the piston rod of the length measuring drive cylinder 826, and a length measuring displacement sensor 828 arranged on the length sensor mounting seat 830, the length measuring drive cylinder 826 being capable of driving the length measuring displacement sensor 828 into contact with the outer wall of the handbrake to be measured.

[0048] As shown in Figure 12 , 13 The handbrake positioning clamp 824 shown includes a positioning horizontal drive cylinder 831 and a clamp support seat 842, both fixedly arranged on the upper table top of the size measuring platform 801, a clamp mounting plate 832 connected with the positioning horizontal drive cylinder 831, a positioning vertical drive cylinder 833 fixedly arranged on the vertical side wall of the clamp mounting plate 832, a positioning pressure head mounting plate 835 connected with the positioning vertical drive cylinder 833, a positioning pressure head 834 connected with the positioning pressure head mounting plate 835 and capable of being in contact with the inner wall of the handbrake to be measured, and a set of product measurement positioning blocks 843 fixedly arranged on the upper end face of the clamp support seat 842 and provided with the handbrake to be measured.

[0049] As shown in Figure 8 , 9The size unqualified discharge unit 806 shown includes an unqualified product receiving box 836, a horizontal linear guide rail 837, a horizontal sliding plate 838 and a discharge driving cylinder 839, the horizontal linear guide rail 837 is fixedly arranged on the upper table surface of the size measuring platform 801, the discharge driving cylinder 839 is arranged on the lower table surface of the size measuring platform 801, the piston rod of the discharge driving cylinder 839 is connected with the horizontal sliding plate 838, the horizontal sliding plate 838 is slidingly connected with the horizontal linear guide rail 837, the unqualified product receiving box 836 is connected with the upper end surface of the horizontal sliding plate 838, the upper table surface of the size measuring platform 801 is provided with a qualified product discharge hole 840, the qualified product discharge hole 840 is provided with a qualified product discharge channel 841, and the discharge outlet of the qualified product discharge channel 841 is located directly above the automatic conveying belt 1.

[0050] As shown in Figure 14 The hand brake feeder guide unit 3 shown includes a guide driving unit 31, a horizontal linear sliding rail 32, a guide plate 1 33, a guide plate 2 34, a guide plate 1 support 35 and a guide plate 2 support 36, the guide driving unit 31 and the horizontal linear sliding rail 32 are arranged on the gantry body 2, the guide driving unit 31 is connected with the guide plate 1 support 35 and the guide plate 2 support 36, and the guide plate 1 support 35 and the guide plate 2 support 36 are slidingly connected with the horizontal linear sliding rail 32, the guide plate 1 support 35 and the guide plate 2 support 36 are symmetrically arranged, the guide plate 1 33 and the guide plate 2 34 are symmetrically arranged, and the guide plate 1 33 and the guide plate 2 34 are located above the automatic conveying belt 1, one end of the guide plate 1 33 is connected with the guide plate 1 support 35, and one end of the guide plate 2 34 is connected with the guide plate 2 support 36.

[0051] As shown in Figure 15The guide drive unit 31 shown includes a guide drive motor, a guide drive wheel 311, a guide driven wheel 312, a guide gear belt 313, a first gear belt clamp 314, and a second gear belt clamp 315. The guide drive motor, the guide drive wheel 311, and the guide driven wheel 312 are all mounted on the gantry frame 2. The shaft of the guide drive motor is connected to the guide drive wheel 311. The guide drive wheel 311 is connected to the guide driven wheel 312 via the guide gear belt 313. The first gear belt clamp 314 is connected to the upper layer of the guide gear belt 313, and the second gear belt clamp 315 is connected to the lower layer of the guide gear belt 313. The first gear belt clamp 314 and the second gear belt clamp 315 can be close to or far from each other. The first guide plate bracket 35 is fixedly connected to the first gear belt clamp 314, and the second guide plate bracket 36 is fixedly connected to the second gear belt clamp 315. The opposite ends of the guide plates 33 and 34, away from the gantry frame 2, are both set as inclined surfaces 331. Horizontal sliders 351 are connected to the guide plate brackets 35 and 36, and the horizontal sliders 351 are slidably connected to the horizontal linear slide rails 32.

[0052] In addition, a vertical mounting plate 21 is provided on the side of the gantry frame 2 near the automatic conveyor belt 1. The handbrake feeding guide unit 3 is set on the vertical mounting plate 21. A feeding guide buffer 22 is provided on the vertical mounting plate 21. A buffer block 352 is connected to the guide plate bracket 35. The feeding guide buffer 22 and the buffer block 352 are in contact.

[0053] like Figure 16 , 17 The handbrake blocking unit 4 shown includes a U-shaped bracket 41, two symmetrically arranged limiting plates 42, and a blocking plate 43. The U-shaped bracket 41 is fixedly connected to the gantry frame 2. The two symmetrically arranged limiting plates 42 are both fixedly connected to the lower end of the U-shaped bracket 41, and the two symmetrically arranged limiting plates 42 are located on the side of guide plate 1 33 and guide plate 2 34 away from the automatic conveyor belt 1. The blocking plate 43 is arranged between the two symmetrically arranged limiting plates 42, and the blocking plate 43 is located between the two symmetrically arranged limiting plates 42. The limiting plate 42 is positioned away from the end of the guide plate 33 and the second guide plate 34. A U-shaped limiting groove 44 is formed between the two symmetrically arranged limiting plates 42 and the blocking plate 43, and the U-shaped limiting groove 44 is located between the guide plate 33 and the second guide plate 34. The two symmetrically arranged limiting plates 42 and the blocking plate 43 are located above the automatic conveyor belt 1. A handbrake to be tested is provided in the U-shaped limiting groove 44, and the handbrake flipping and feeding unit 6 is located directly above the handbrake to be tested in the U-shaped limiting groove 44. The end of the limiting plate 42 closest to the guide plate 33 and the second guide plate 34 is configured with a V-shaped protrusion.

[0054] In the structure, the feeding lifting driving unit 5 comprises a lifting mounting plate 51, a lifting driving cylinder 52, two parallel vertical guide rails 53 and a vertical sliding plate 54, the lifting mounting plate 51 is fixedly connected with the gantry body 2, the lifting driving cylinder 52 and the two parallel vertical guide rails 53 are fixedly arranged on the vertical side wall of the lifting mounting plate 51, the piston rod of the lifting driving cylinder 52 is connected with the vertical sliding plate 54, the vertical sliding plate 54 is slidingly connected with the two parallel vertical guide rails 53, and the handbrake turnover feeding unit 6 is connected with the vertical sliding plate 54.

[0055] In addition, the handbrake turnover feeding unit 6 comprises a rotary cylinder one 61, a right-angle mounting plate 62, a rotary cylinder two 63, a suction disc mounting plate 64 and a set of feeding suction discs 65, the rotary cylinder one 61 is fixedly connected with the vertical sliding plate 54, one vertical surface of the right-angle mounting plate 62 is connected with the rotary cylinder one 61, the rotary cylinder two 63 is arranged on the other vertical surface of the right-angle mounting plate 62 and connected with the suction disc mounting plate 64, and the set of feeding suction discs 65 is arranged on the suction disc mounting plate 64 and located above the handbrake to be measured in the U-shaped limiting groove 44, and the set of feeding suction discs 65 can adsorb the handbrake to be measured in the U-shaped limiting groove 44.

[0056] The working principle of the feeding device for the size measurement of the special-shaped electronic handbrake is as follows:

[0057] The automatic conveying belt 1 conveys the handbrakes, the guide driving motor is started, the transmission of the guide driving wheel 311, the guide driven wheel 312 and the guide gear belt 313 drives the gear belt clamping plate one 314 and the gear belt clamping plate two 315 to move towards each other, the guide plate one 33 and the guide plate two 3 move close to each other, the handbrakes placed on the automatic conveying belt 1 are pushed to the middle position of the automatic conveying belt 1 by the guide plate one 33 and the guide plate two 3, at this time, the handbrakes are opposite to the U-shaped limiting groove 44, the handbrakes are conveyed into the U-shaped limiting groove 44 along with the transmission of the automatic conveying belt 1, the blocking plate 43 prevents the handbrakes from advancing along with the automatic conveying belt 1 and stopping in the U-shaped limiting groove 44, the piston rod of the lifting driving cylinder 52 is extended to push the set of feeding suction discs 65 to descend to contact the handbrakes, the suction discs adsorb the handbrakes, the piston rod of the lifting driving cylinder 52 is retracted by a certain distance, initially, the set of feeding suction discs 65 is arranged downward, the rotary cylinder one 61 is started to make the set of feeding suction discs 65 arranged upward, since the set of feeding suction discs 65 adsorbs the handbrakes at this time, the handbrakes are rotated upward by the rotary cylinder one 61, which is convenient for the subsequent workstations to measure the size.

[0058] The working method of the product size automatic measurement equipment for irregular products comprises the following steps:

[0059] S1, the handbrake of the previous station is conveyed to the automatic conveying belt 1, and the automatic conveying belt 1 conveys the handbrake;

[0060] S2, the guide driving motor is started, the transmission of the guide driving wheel 311, the guide driven wheel 312 and the guide gear belt 313 makes the gear belt clamping plate one 314 and the gear belt clamping plate two 315 close to each other, so that the guide plate one 33 and the guide plate two 34 are close to each other, and the handbrake on the automatic conveying belt 1 is pushed to be opposite to the U-shaped limiting groove 44;

[0061] S3, with the conveying of the automatic conveying belt 1, the handbrake is righted and enters the U-shaped limiting groove 44 through the two symmetrically arranged limiting plates 42, and the handbrake is blocked by the blocking plate 43;

[0062] S4, the piston rod of the lifting driving cylinder 52 is extended to push the handbrake turnover feeding assembly 6 to descend until a group of feeding suction cups 65 contact the handbrake;

[0063] S5, a group of feeding suction cups 65 adsorb the handbrake, the piston rod of the lifting driving cylinder 52 is retracted to drive a group of feeding suction cups 65 to move to a certain height;

[0064] S6, the rotary cylinder one 61 is started to drive the right-angle mounting plate 62 to rotate 180°, so that a group of feeding suction cups 65 below are arranged upwardly, and the handbrake adsorbed on a group of feeding suction cups 65 is arranged upwardly, and the rotary cylinder two 63 adjusts a group of feeding suction cups 65 to a specified angle;

[0065] S7, the X-axis linear module 818 and the Y-axis linear module 819 synchronously drive the material taking suction cup 821 to move to the upper side of the handbrake adsorbed by a group of feeding suction cups 65, the material taking lifting driving cylinder 820 drives the material taking suction cup 821 to descend until the material taking suction cup 821 contacts the handbrake adsorbed by a group of feeding suction cups 65, the material taking suction cup 821 adsorbs the handbrake, and a group of feeding suction cups 65 releases the handbrake;

[0066] S8, according to the product information of the previous station, if the handbrake is unqualified, the X-axis linear module 818 and the Y-axis linear module 819 synchronously drive the material taking suction cup 821 to move to the upper side of the initial discharge box 802, and the material taking lifting driving cylinder 820 drives the material taking suction cup 821 to descend to release the handbrake into the initial discharge box 802 to discharge the unqualified product;

[0067] S9, according to the product information of the previous station, if the handbrake is qualified, the X-axis linear module 818 and the Y-axis linear module 819 synchronously drive the material taking suction cup 821 to move to the handbrake positioning platform 803;

[0068] S10, the suction cup 821 releases the handbrake in the range surrounded by the fixed positioning block 809, the movable positioning block one 813, the movable positioning block two 814 and the movable positioning block three 815, the positioning drive cylinder one 810, the positioning drive cylinder two 811 and the positioning drive cylinder three 812 are started to position the handbrake;

[0069] S11, the X-axis linear module 818 and the Y-axis linear module 819 drive the suction cup 821 to move to the handbrake positioning platform 803 synchronously, and the suction cup 821 is lowered to adsorb the handbrake on the handbrake positioning platform 803 driven by the material taking lifting drive cylinder 820;

[0070] S12, the X-axis linear module 818 and the Y-axis linear module 819 drive the suction cup 821 to move above the handbrake positioning clamp 824 synchronously, the suction cup 821 is lowered and the handbrake is released on a group of product measurement positioning blocks 843 driven by the material taking lifting drive cylinder 820;

[0071] S13, the positioning horizontal drive cylinder 831 and the positioning vertical drive cylinder 833 work cooperatively to drive the positioning pressure head 834 to move above the handbrake placed on a group of product measurement positioning blocks 843 and press the handbrake tightly;

[0072] S14, the height measurement drive cylinder 825 drives the height measurement displacement sensor 827 to contact the handbrake to detect the size of the product height;

[0073] S15, the length measurement drive cylinder 826 drives the length measurement displacement sensor 828 to contact the handbrake to measure the size of the product length;

[0074] S16, after the height and length size measurement, the positioning horizontal drive cylinder 831 and the positioning vertical drive cylinder 833 work cooperatively to drive the positioning pressure head 834 to move away from the handbrake;

[0075] S17, the X-axis linear module 818 and the Y-axis linear module 819 drive the suction cup 821 to move above the handbrake on a group of product measurement positioning blocks 843 synchronously, the suction cup 821 is lowered and adsorbs the measured handbrake driven by the material taking lifting drive cylinder 820;

[0076] S18, for the product with qualified measurement size, the X-axis linear module 818 and the Y-axis linear module 819 drive the suction cup 821 to move above the qualified product discharge hole 840 synchronously, the suction cup 821 releases the product, the handbrake falls on the automatic conveying belt 1 through the qualified product discharge channel 841, and the automatic conveying belt 1 conveys the handbrake to the next station;

[0077] S19, for measuring the size of unqualified products, X axis linear module 818 and Y axis linear module 819 synchronous drive suction cup 821 move to unqualified product receiving box 836 above, suction cup 821 release the product, hand brake fall in unqualified product receiving box 836, exhaust drive cylinder 839 drive unqualified product receiving box 836 moves to unqualified product recycling area, recycling unqualified products.

[0078] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make several improvements without departing from the principles of the present application, and these improvements should also be considered as the protection scope of the present application.

Claims

1. A product size automatic measuring apparatus of an irregular product, characterized by: The application relates to a handbrake automatic testing device, which comprises an automatic conveying belt (1), a portal frame body (2), a handbrake feeding guide unit (3), a handbrake blocking unit (4), an upper feeding lifting driving unit (5), a handbrake overturning feeding unit (6), a size measuring platform (801), a primary discharging box (802), a handbrake positioning platform (803), a size measuring feeding unit (804), a size measuring unit (805), a size unqualified discharging unit (806) and a control system, the portal frame body (2) and the size measuring platform (801) are arranged on the automatic conveying belt (1), the size measuring platform (801) is located at the rear of the portal frame body (2) along the conveying direction of the automatic conveying belt (1), a group of handbrakes to be measured are arranged on the automatic conveying belt (1), the handbrake feeding guide unit (3) is arranged on the portal frame body (2) and located on the side of the portal frame body (2) close to the starting end of the automatic conveying belt (1), the handbrake blocking unit (4) is arranged on the portal frame body (2) and located above the automatic conveying belt (1), the handbrake blocking unit (4) is located at the rear of the handbrake feeding guide unit (3) along the conveying direction of the automatic conveying belt (1), the handbrake blocking unit (4) comprises two symmetrically-arranged limiting plates (42) and a blocking plate (43), a U-shaped limiting groove (44) is formed between the two symmetrically-arranged limiting plates (42) and the blocking plate (43), the U-shaped limiting groove (44) is provided with the handbrakes to be measured, and the handbrake overturning feeding unit (6) is located directly above the handbrakes to be measured in the U-shaped limiting groove (44); the upper feeding lifting driving unit (5) is arranged on the portal frame body (2) and located on the side of the portal frame body (2) close to the end of the automatic conveying belt (1), the handbrake overturning feeding unit (6) is connected with the upper feeding lifting driving unit (5) and located directly above the handbrake blocking unit (4), the handbrake overturning feeding unit (6) comprises a group of upper feeding suction discs (65), the group of upper feeding suction discs (65) are located directly above the handbrakes to be measured in the U-shaped limiting groove (44), and the group of upper feeding suction discs (65) can adsorb the handbrakes to be measured in the U-shaped limiting groove (44). The initial discharge box (802), the handbrake positioning platform (803), the size measuring feeding unit (804), the size measuring unit (805) and the size unqualified discharge unit (806) are arranged on the size measuring platform (801), the initial discharge box (802) and the handbrake turnover feeding unit (6) are arranged opposite, the handbrake positioning platform (803) is located on one side of the initial discharge box (802), the size measuring feeding unit (804) can transfer the handbrake to be measured between the handbrake turnover feeding unit (6), the initial discharge box (802), the handbrake positioning platform (803), the size measuring unit (805) and the size unqualified discharge unit (806), the size measuring feeding unit (804) comprises a material taking suction cup (821), and the material taking suction cup (821) adsorbs the handbrake to be measured on the handbrake turnover feeding unit (6); The control system releases the handbrake to the initial discharge box (802) according to the product information of the upper station, and discharges the unqualified product if the handbrake is unqualified, the material taking suction cup (821) in the size measuring feeding unit (804) is lowered; The control system drives the material taking suction cup (821) to move to the handbrake positioning platform (803) if the handbrake is qualified according to the product information of the upper station.

2. The apparatus for automatically measuring the product size of an irregular product according to claim 1, characterized by: One side of the size measuring platform (801) is provided with a rectangular opening (800) opposite the handbrake turnover feeding unit (6), and the initial discharge box (802) is arranged at the position of the rectangular opening (800).

3. The apparatus for automatically measuring product size of an irregular product according to claim 1, characterized by: The handbrake positioning platform (803) comprises a set of support columns (807), a positioning platform (808), a fixed positioning block (809), a positioning drive cylinder I (810), a positioning drive cylinder II (811), a positioning drive cylinder III (812), a movable positioning block I (813), a movable positioning block II (814), a movable positioning block III (815), and a cushion block (816). The lower end of the set of support columns (807) is fixedly arranged on the upper table surface of the size measurement platform (801). The positioning platform (808) is connected to the upper end of the set of support columns (807). The fixed positioning block (809) and the cushion block (816) are both fixedly arranged on the upper end surface of the positioning platform (808), and the fixed positioning block (809) and the cushion block (816) are arranged opposite to each other. The fixed positioning block (809), the movable positioning block I (813), the movable positioning block II (814), and the movable positioning block III (815) are respectively located at the positions of the four edges of the rectangular section. The movable positioning block I (813) is on the same side as the cushion block (816). The movable positioning block II (814) and the movable positioning block III (815) are arranged opposite to each other. The positioning drive cylinder I (810), the positioning drive cylinder II (811), and the positioning drive cylinder III (812) are all fixedly arranged on the lower end surface of the positioning platform (808). The movable positioning block II (814) is connected to the piston rod of the positioning drive cylinder I (810). The movable positioning block II (814) is connected to the piston rod of the positioning drive cylinder II (811). The movable positioning block III (815) is connected to the piston rod of the positioning drive cylinder III (812). One end of the handbrake to be measured is arranged opposite to the fixed positioning block (809), and the lower end surface of the other end of the handbrake to be measured is arranged on the cushion block (816). The handbrake to be measured is arranged within the range surrounded by the fixed positioning block (809), the movable positioning block I (813), the movable positioning block II (814), and the movable positioning block III (815).

4. The apparatus for automatically measuring product size of an irregular product according to claim 1, characterized by: The size measurement feeding unit (804) comprises a support frame (817), an X-axis linear module (818), a Y-axis linear module (819), a feeding lifting drive cylinder (820), a feeding suction disc (821), and a feeding suction disc mounting plate (822). The support frame (817) is fixedly arranged on the upper table surface of the size measurement platform (801). The X-axis linear module (818) is arranged on the support frame (817). The Y-axis linear module (819) is connected to the X-axis linear module (818). The feeding lifting drive cylinder (820) is connected to the Y-axis linear module (819). The feeding suction disc mounting plate (822) is connected to the piston rod of the feeding lifting drive cylinder (820). The feeding suction disc (821) is arranged on the feeding suction disc mounting plate (822). The X-axis linear module (818), the Y-axis linear module (819), and the feeding lifting drive cylinder (820) can drive the feeding suction disc (821) to adsorb the handbrake to be measured on the handbrake turnover feeding unit (6).

5. The apparatus for automatically measuring product size of an irregular product according to claim 1, characterized by: The size measuring unit (805) comprises a measuring support beam (823), a handbrake positioning clamp (824), a height measuring drive cylinder (825), a length measuring drive cylinder (826), a height measuring displacement sensor (827), a length measuring displacement sensor (828), a height sensor mounting seat (829), and a length sensor mounting seat (830), the measuring support beam (823) is connected with the Y-axis linear module (819), the handbrake positioning clamp (824) is fixedly arranged on the upper table top of the size measuring platform (801), and the handbrake positioning clamp (824) is provided with a handbrake to be measured, the height measuring drive cylinder (825) is connected with the measuring support beam (823), the height sensor mounting seat (829) is connected with the piston rod of the height measuring drive cylinder (825), the height measuring displacement sensor (827) is arranged on the height sensor mounting seat (829), and the height measuring displacement sensor (827) is located above the handbrake to be measured, the testing head of the height measuring displacement sensor (827) is in contact with the handbrake to be measured, the length measuring drive cylinder (826) is fixedly arranged on the upper table top of the size measuring platform (801), the length sensor mounting seat (830) is connected with the piston rod of the length measuring drive cylinder (826), the length measuring displacement sensor (828) is arranged on the length sensor mounting seat (830), and the length measuring drive cylinder (826) can drive the length measuring displacement sensor (828) to be in contact with the outer wall of the handbrake to be measured.

6. The apparatus for automatically measuring the product size of an irregular product according to claim 5, characterized by: The handbrake positioning clamp (824) comprises a positioning horizontal drive cylinder (831), a clamp mounting plate (832), a positioning vertical drive cylinder (833), a positioning pressure head (834), a positioning pressure head mounting plate (835), a clamp support seat (842), and a group of product measuring positioning blocks (843), the positioning horizontal drive cylinder (831) and the clamp support seat (842) are both fixedly arranged on the upper table top of the size measuring platform (801), the clamp mounting plate (832) is connected with the positioning horizontal drive cylinder (831), the positioning vertical drive cylinder (833) is fixedly arranged on the vertical side wall of the clamp mounting plate (832), the positioning pressure head mounting plate (835) is connected with the positioning vertical drive cylinder (833), the positioning pressure head (834) is connected with the positioning pressure head mounting plate (835), and the positioning pressure head (834) can be in contact with the inner wall of the handbrake to be measured, and the group of product measuring positioning blocks (843) are fixedly arranged on the upper end face of the clamp support seat (842), and the group of product measuring positioning blocks (843) are provided with the handbrake to be measured.

7. The apparatus for automatically measuring product size of an irregular product according to claim 1, characterized by: The size unqualified discharge unit (806) includes an unqualified product receiving box (836), a horizontal linear guide rail (837), a horizontal sliding plate (838) and a discharge driving cylinder (839), the horizontal linear guide rail (837) is fixedly arranged on the upper table top of the size measuring platform (801), the discharge driving cylinder (839) is arranged on the lower table top of the size measuring platform (801), the piston rod of the discharge driving cylinder (839) is connected with the horizontal sliding plate (838), the horizontal sliding plate (838) is slidably connected with the horizontal linear guide rail (837), the unqualified product receiving box (836) is connected with the upper end surface of the horizontal sliding plate (838), the upper table top of the size measuring platform (801) is provided with a qualified product discharge hole (840), the qualified product discharge hole (840) is provided with a qualified product discharge channel (841), and the discharge outlet of the qualified product discharge channel (841) is located directly above the automatic conveying belt (1).

8. The apparatus for automatically measuring product size of an irregular product according to claim 1, characterized by: The hand brake feeding guide unit (3) comprises a guide driving unit (31), a horizontal linear sliding rail (32), a guide plate (33), a guide plate (34), a guide plate (33) support (35) and a guide plate (34) support (36), the guide driving unit (31) and the horizontal linear sliding rail (32) are arranged on the gantry body (2), the guide driving unit (31) is connected with the guide plate (33) support (35) and the guide plate (34) support (36), and the guide plate (33) support (35) and the guide plate (34) support (36) are slidably connected with the horizontal linear sliding rail (32), the guide plate (33) support (35) and the guide plate (34) support (36) are symmetrically arranged, the guide plate (33) and the guide plate (34) are symmetrically arranged, and the guide plate (33) and the guide plate (34) are located above the automatic conveying belt (1), one end of the guide plate (33) is connected with the guide plate (33) support (35), and one end of the guide plate (34) is connected with the guide plate (34) support (36).

9. The apparatus for automatically measuring product size of an irregular product according to claim 1, characterized by: The hand brake blocking unit (4) further comprises a U-shaped support (41), the U-shaped support (41) is fixedly connected with the gantry body (2), the two symmetrically arranged limiting plates (42) are fixedly connected with the lower ends of the U-shaped support (41), and the two symmetrically arranged limiting plates (42) are located on the sides of the guide plate (33) and the guide plate (34) away from the automatic conveying belt (1), the blocking plate (43) is arranged between the two symmetrically arranged limiting plates (42), the blocking plate (43) is located at one end of the two symmetrically arranged limiting plates (42) away from the guide plate (33) and the guide plate (34), and the U-shaped limiting groove (44) is located between the guide plate (33) and the guide plate (34), and the two symmetrically arranged limiting plates (42) and the blocking plate (43) are located above the automatic conveying belt (1).

10. The apparatus for automatically measuring the product size of an irregular product according to claim 9, characterized by: The hand brake turnover feeding unit (6) further comprises a rotary cylinder I (61), a right-angle mounting plate (62), a rotary cylinder II (63), and a suction plate mounting plate (64), the rotary cylinder I (61) is fixedly connected with the vertical sliding plate (54), one vertical surface of the right-angle mounting plate (62) is connected with the rotary cylinder I (61), the rotary cylinder II (63) is arranged on the other vertical surface of the right-angle mounting plate (62), and the rotary cylinder II (63) is connected with the suction plate mounting plate (64), and the group of feeding suction plates (65) are arranged on the suction plate mounting plate (64).

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