Bending plate bending angle accurate detection device

Abstract

The invention discloses a bending angle accurate detection device for a bending plate, and relates to the technical field of bending plate angle detection, the bending angle accurate detection device comprises a fixed seat, a movable plate, a turnover shaft, a first bending angle detection mechanism and a second bending angle detection mechanism, the fixed seat is provided with an angle adjustment driving assembly for driving the turnover shaft to rotate; the lower end of the movable plate and the overturning shaft are installed, a bending plate moving and positioning mechanism is arranged in the first groove, the first bending angle detection mechanism comprises a position adjusting assembly, a distance measuring sensor, a sensing signal receiver and a signal feedback device, and the second bending angle detection mechanism comprises a light source emitting assembly and a light source display assembly. By arranging the first bending angle detection mechanism and the second bending angle detection mechanism, the bending angle of the bending plate can be synchronously detected, the problem that the detection error is large due to a single detection mode is avoided, and the two types of detection do not depend on active observation for detection; and the bending angle detection accuracy of the bending plate can be effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of bending plate angle detection, and in particular to a device for accurately detecting the bending angle of a bending plate. Background Art

[0002] A bending machine is a device used to bend plate-like materials. The bending principle is to place the workpiece on the plane of the lower die. When the upper die presses the lower die, the workpiece forms a bending angle under the pressure and the action of the upper and lower dies. After bending, the bending angle of these workpieces needs to be tested to determine whether the bending angle is qualified.

[0003] Chinese patent CN 220658816 U discloses a device for accurately detecting the bending angle of a bending plate, comprising a base, a connecting seat is welded and installed at the bottom of the base, a mounting plate is welded and installed on one side outer wall of the connecting seat, a movable plate is hingedly connected to the free end of the mounting plate, an angle fixing structure is arranged on the base, a position adjustment structure is arranged above the base, and a bending plate fixing structure is arranged above the base; through the coordinated use of the connecting plate, the second motor, the turntable, the slide bar, the mounting block, the adjustment plate and the gear, the position of the bending plate fixing structure can be adjusted, which is convenient for the detection and use of bending plates of different sizes, improves the flexibility of the device, thereby reducing the limitations of use, has strong practicality, can adjust and limit the angle, and is convenient for angle detection; specifically, the patent judges whether the bending angle of the bending part is correct by observing whether the bending plate and the movable plate are in contact, and for the bending part with a small difference between the bending angle and the standard bending angle, it is impossible to accurately judge by observation, resulting in low detection accuracy of the bending angle of the bending plate, and detection by a single detection structure will also result in low measurement accuracy. Therefore, the present invention proposes a device for accurately detecting the bending angle of a bent plate to solve the deficiencies in the prior art. Summary of the invention

[0004] In view of the above problems, the purpose of the present invention is to provide a device for accurately detecting the bending angle of a bending plate. By setting a first bending angle detection mechanism and a second bending angle detection mechanism, the bending angle of the bending plate can be detected synchronously, avoiding the problem of large detection errors caused by a single detection method. Both forms of detection do not rely on active observation for detection, which can effectively improve the accuracy of bending angle detection of the bending plate.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A bending angle precision detection device for a bending plate comprises a fixed seat, a movable plate, a flip shaft, a first bending angle detection mechanism and a second bending angle detection mechanism, a flip groove is provided on one side wall of the fixed seat, a flip shaft is rotatably provided in the flip groove, an angle adjustment driving assembly for driving the flip shaft to rotate is provided on the fixed seat, the flip shaft is installed at the lower end of the movable plate, a first groove is provided in the middle of the top of the fixed seat, and a bending plate moving and positioning mechanism is provided in the first groove;

[0007] The first bending angle detection mechanism includes a position adjustment component, a distance sensor, a sensor signal receiver and a signal feedback device, the movable plate is provided with a second groove, the second groove is provided with a position adjustment component, the position adjustment component is provided with a distance sensor, the side wall of the fixed seat is provided with a sensor signal receiver and a signal feedback device, the sensor signal receiver receives the sensor signal of the distance sensor and then feeds back the detection result through the signal feedback device;

[0008] The second bending angle detection mechanism includes a light source emitting assembly and a light source display assembly. A light source emitting assembly is provided on one side wall of the movable plate, and a light source emitting assembly is provided on the other side wall of the movable plate. The light source emitting assembly and the light source display assembly are symmetrically arranged.

[0009] A further improvement is that the angle adjustment drive assembly includes a worm wheel, a worm and a knob, a worm wheel is provided on the shaft at one end of the flip shaft, a worm is rotatably provided on the side wall of the fixed seat, the worm is meshed with the worm wheel, and a knob is provided at one end of the worm.

[0010] A further improvement is that an angle dial is provided on the side wall of the fixing seat at the flip shaft, the angle dial is arranged concentrically with the flip shaft, and a pointer pointing to the angle dial is provided on the outer wall of the shaft end of the flip shaft close to the worm gear.

[0011] Further improvements are: the bending plate moving and positioning mechanism includes a linear electromagnetic guide rail, an L-shaped positioning seat, a positioning cylinder and a positioning plate, a linear electromagnetic guide rail is provided in the first groove, an L-shaped positioning seat is slidably provided on the linear electromagnetic guide rail, a positioning cylinder is provided on the L-shaped positioning seat, and a positioning plate is provided inside the L-shaped positioning seat, and the top of the positioning plate is connected to the output end of the positioning cylinder.

[0012] A further improvement is that: a sinking groove is provided on the fixed seats on both sides of the first groove, and a movable guide roller is rotatably provided in the sinking groove. The movable guide roller is provided in multiple groups, and the tops of the multiple groups of movable guide rollers extend out of the top of the sinking groove.

[0013] Further improvement is that: the position adjustment component includes a linear screw, a moving seat and a rotating wheel, a linear screw is rotatably provided in the second groove, and a moving seat is slidably provided in the second groove, the moving seat is threadedly connected to the linear screw, the distance measuring sensor is arranged on the moving seat, and a rotating wheel is provided on the shaft at the upper end of the linear screw.

[0014] A further improvement is that the light source emitting assembly includes a mounting slot and a laser lamp, a mounting slot is provided on one side wall of the movable plate, a laser lamp is provided inside the mounting slot, and a plurality of laser lamps are arranged along the length direction of the mounting slot.

[0015] A further improvement is that the light source display assembly includes a display slot and a display panel, a display slot is provided on one side wall of the movable panel, the display slot is symmetrically arranged with the mounting slot, a display panel is provided inside the display slot, and the display panel is symmetrically arranged with the multiple groups of laser lights.

[0016] A further improvement is that a rubber cushion layer is provided on the bottom of the positioning plate and the surface of the movable guide roller.

[0017] A further improvement is that the installation slot body and the display slot body are both detachably mounted to the side wall of the movable plate by bolts.

[0018] The beneficial effects of the present invention are as follows: the present invention can realize synchronous detection of the bending angle of the bending plate by setting a first bending angle detection mechanism and a second bending angle detection mechanism, thereby avoiding the problem of large detection error caused by a single detection method. The first bending angle detection mechanism of the present invention relies on a distance measuring sensor to measure the distance between the back sides of the bending plate to determine whether the bending angle of the bending plate meets the standard angle, and the second bending angle detection mechanism relies on a light source emitting component to emit a light source to determine whether the light source can pass through the gap between the bending plate and the movable plate. Both forms of detection do not rely on active observation for detection, which can effectively improve the accuracy of the bending angle detection of the bending plate. At the same time, the light source emitted by the light source emitting component of the second bending angle detection mechanism can pass through a smaller gap, thereby improving the accuracy of the bending angle detection.

[0019] The bending plate moving and positioning mechanism of the present invention can push the bending plate close to the movable plate and fix the bending plate, and has high flexibility and convenience in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a top view schematic diagram of the installation structure of the second bending angle detection mechanism of the present invention;

[0022] Figure 3This is a top view schematic diagram of the angle adjustment drive assembly installation structure of the present invention;

[0023] Figure 4 It is a schematic diagram of the main structure of the light source emission assembly of the present invention (when the bending angle of the bending plate is correct);

[0024] Figure 5 It is a schematic diagram of the main structure of the light source emitting assembly of the present invention (when the bending angle of the bending plate is incorrect).

[0025] Wherein: 1. fixed seat; 2. movable plate; 3. flip axis; 4. first bending angle detection mechanism; 401. distance sensor; 402. sensor signal receiver; 403. signal feedback device; 404. linear lead screw; 405. movable seat; 406. rotating wheel; 5. second bending angle detection mechanism; 501. light source emitting assembly; 502. light source display assembly; 6. flip groove; 7. first groove; 8. bending plate moving and positioning mechanism; 801. linear electromagnetic guide rail; 802. L-shaped positioning seat; 803. positioning cylinder; 804. positioning plate; 9. second groove; 10. worm gear; 11. worm; 12. knob; 13. angle dial; 14. pointer; 15. sinking groove; 16. moving guide roller; 17. mounting groove; 18. laser light; 19. display groove; 20. display board. DETAILED DESCRIPTION

[0026] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0027] according to Figure 1-5As shown, this embodiment proposes a bending angle precision detection device for a bending plate, comprising a fixed seat 1, a movable plate 2, a flip shaft 3, a first bending angle detection mechanism 4 and a second bending angle detection mechanism 5, a flip groove 6 is provided on one side wall of the fixed seat 1, a flip shaft 3 is rotatably provided in the flip groove 6, an angle adjustment driving component for driving the flip shaft 3 to rotate is provided on the fixed seat 1, the lower end of the movable plate 2 is installed with the flip shaft 3, a first groove 7 is provided in the middle of the top of the fixed seat 1, and a bending plate moving and positioning mechanism 8 is provided in the first groove 7; the bending angle precision detection device of the bending plate of the present invention is for bending When the plate is to be angled, the movable plate 2 mounted on the flip shaft 3 is driven to rotate by the angle adjustment driving assembly, so that the angle formed between the movable plate 2 and the fixed seat 1 is the standard bending angle, and then the bent plate to be detected is placed on the fixed seat 1, and the bent plate to be detected is moved by the bending plate moving and positioning mechanism 8 until the bending plate contacts the movable plate 2, and then in order to prevent the bending plate from being displaced, the bending plate is continued to be pressed down and positioned by the bending plate moving and positioning mechanism 8, and then the bending angle of the bending plate is detected by the first bending angle detection mechanism 4 and the second bending angle detection mechanism 5;

[0028] The first bending angle detection mechanism 4 includes a position adjustment component, a distance sensor 401, a sensor signal receiver 402 and a signal feedback device 403. The movable plate 2 is provided with a second groove 9, and the second groove 9 is provided with a position adjustment component. The position adjustment component is provided with a distance sensor 401. The side wall of the fixed seat 1 is provided with a sensor signal receiver 402 and a signal feedback device 403. After the sensor signal receiver 402 receives the sensor signal of the distance sensor 401, the detection result is fed back through the signal feedback device 403. When the first bending angle detection mechanism 4 performs bending angle detection on the bending plate, the distance sensor 401 measures the distance between the bending plates, and the measurement result is sent to the sensor signal receiver 402 and then transmitted to the signal feedback device 403. The signal feedback device 403 performs corresponding feedback according to the measurement result: when the measured value is greater than the specified value, it indicates that the bending plate is not tightly attached to the movable plate 2, there is a gap between the two, and the bending angle of the bending plate does not meet the standard bending angle.

[0029] The second bending angle detection mechanism 5 includes a light source emitting component 501 and a light source display component 502. The light source emitting component 501 is provided on one side wall of the movable plate 2, and the light source emitting component 501 is provided on the other side wall of the movable plate 2. The light source emitting component 501 and the light source display component 502 are symmetrically arranged. When the second bending angle detection mechanism 5 detects the bending angle of the bending plate, the light source is first emitted by the light source emitting component 501. When the bending plate is not tightly attached to the movable plate 2 and there is a gap between the two, the light source will shine onto the light source display component 502 through the gap, so as to judge that the bending angle of the bending plate does not meet the standard bending angle.

[0030] The angle adjustment drive assembly includes a worm wheel 10, a worm 11 and a knob 12. A worm wheel 10 is provided on the shaft at one end of the flip shaft 3. A worm 11 is rotatably provided on the side wall of the fixed seat 1. The worm 11 is meshed with the worm wheel 10, and a knob 12 is provided at one end of the worm 11. The worm 11 is driven to rotate by turning the knob 12, and then the worm 11 drives the flip shaft 3 installed with the worm wheel 10 to rotate. The worm wheel 10 and the worm 11 cooperate to drive and realize self-locking after adjusting the angle of the flip shaft 3.

[0031] An angle dial 13 is provided on the side wall of the fixing seat 1 at the flip shaft 3, and the angle dial 13 is arranged concentrically with the flip shaft 3. A pointer 14 pointing to the angle dial 13 is provided on the outer wall of the shaft portion of the flip shaft 3 close to the worm gear 10. During the rotation of the flip shaft 3, the flip angle value of the flip shaft 3 can be judged by the indicated position of the pointer 14 on the angle dial 13, so as to realize efficient, fast and accurate angle adjustment operation.

[0032] The bending plate moving and positioning mechanism 8 includes a linear electromagnetic guide rail 801, an L-shaped positioning seat 802, a positioning cylinder 803 and a positioning plate 804. The first groove 7 is provided with a linear electromagnetic guide rail 801, and an L-shaped positioning seat 802 is slidably provided on the linear electromagnetic guide rail 801. The L-shaped positioning seat 802 is provided with a positioning cylinder 803, and a positioning plate 804 is provided inside the L-shaped positioning seat 802. The top of the positioning plate 804 is connected to the output end of the positioning cylinder 803. When the bending plate moving and positioning mechanism 8 drives the bending plate to move and position the bending plate, the linear electromagnetic guide rail 801 is started to drive the L-shaped positioning seat 802 to move, and then the L-shaped positioning seat 802 pushes the bending plate to move toward the movable plate 2. When the bending plate contacts the movable plate 2, the positioning cylinder 803 is controlled to extend to drive the positioning plate 804 to press down and fix the bending plate.

[0033] The fixed seat 1 on both sides of the first groove 7 is provided with a sinking groove 15, and a movable guide roller 16 is rotatably arranged in the sinking groove 15. The movable guide roller 16 is provided with multiple groups, and the tops of the multiple groups of movable guide rollers 16 extend out of the top of the sinking groove 15. When the L-shaped positioning seat 802 pushes the bending plate to move toward the movable plate 2, the multiple groups of movable guide rollers 16 can improve the smoothness of movement and reduce the friction of movement.

[0034] The position adjustment component includes a linear screw 404, a moving seat 405 and a rotating wheel 406. The linear screw 404 is rotatably arranged in the second groove 9, and the moving seat 405 is slidably arranged in the second groove 9. The moving seat 405 is threadedly connected with the linear screw 404. The distance sensor 401 is arranged on the moving seat 405, and the rotating wheel 406 is arranged on the shaft portion at the upper end of the linear screw 404. The present invention can adjust the position of the distance sensor 401 by arranging the distance sensor 401 on the position adjustment component, so that the distance sensor 401, the bending plate moving and positioning mechanism 8 and the second bending angle detection mechanism 5 cooperate with each other to realize the positioning and bending angle detection of bending plates of different sizes, and has high versatility.

[0035] The light source emission assembly 501 includes a mounting slot 17 and a laser lamp 18. A mounting slot 17 is provided on one side wall of the movable plate 2. A laser lamp 18 is provided inside the mounting slot 17. A plurality of laser lamps 18 are arranged along the length direction of the mounting slot 17. The light source display assembly 502 includes a display slot 19 and a display board 20. A display slot 19 is provided on one side wall of the movable plate 2. The display slot 19 is symmetrically arranged with the mounting slot 17. A display board 20 is provided inside the display slot 19. The display board 20 is symmetrically arranged with the plurality of groups of laser lamps 18. When the laser lamp 18 is turned on, the light beam can hit the display board 20 through the gap, so as to judge that the bending angle of the bending plate is incorrect. When the bending angle of the bending plate is correct, the light beam of the laser lamp 18 cannot reach the display board 20.

[0036] The bottom of the positioning plate 804 and the surface of the movable guide roller 16 are both provided with a rubber cushion layer. The surface quality of the bent plate can be protected by providing the rubber cushion layer.

[0037] The installation slot 17 and the display slot 19 are both detachably mounted to the side wall of the movable plate 2 by bolts.

[0038] The present invention can realize synchronous detection of the bending angle of the bending plate by setting a first bending angle detection mechanism 4 and a second bending angle detection mechanism 5, thereby avoiding the problem of large detection error caused by a single detection method. The first bending angle detection mechanism 4 of the present invention relies on the distance measuring sensor 401 to measure the distance between the back of the bending plate to determine whether the bending angle of the bending plate meets the standard angle. The second bending angle detection mechanism 5 relies on the light source emitting component 501 to emit light to determine whether the light source can pass through the gap between the bending plate and the movable plate 2. Both forms of detection do not rely on active observation for detection, which can effectively improve the accuracy of the bending angle detection of the bending plate. At the same time, the light source emitting component 501 of the second bending angle detection mechanism 5 can emit light through a smaller gap, thereby improving the bending angle detection accuracy; the bending plate moving and positioning mechanism 8 of the present invention can push the bending plate close to the movable plate and fix the bending plate, and has high flexibility and convenience in use.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A device for accurately detecting the bending angle of a bent plate, characterized in that: The invention comprises a fixed seat (1), a movable plate (2), a turning shaft (3), a first bending angle detection mechanism (4) and a second bending angle detection mechanism (5); a turning groove (6) is provided on one side wall of the fixed seat (1); a turning shaft (3) is rotatably provided in the turning groove (6); an angle adjustment driving component for driving the turning shaft (3) to rotate is provided on the fixed seat (1); the lower end of the movable plate (2) is mounted on the turning shaft (3); a first groove (7) is provided in the middle of the top of the fixed seat (1); a bending plate moving and positioning mechanism (8) is provided in the first groove (7); The first bending angle detection mechanism (4) comprises a position adjustment component, a distance sensor (401), a sensor signal receiver (402) and a signal feedback device (403); the movable plate (2) is provided with a second groove (9); the second groove (9) is provided with a position adjustment component; the position adjustment component is provided with a distance sensor (401); the side wall of the fixed seat (1) is provided with a sensor signal receiver (402) and a signal feedback device (403); the sensor signal receiver (402) receives the sensor signal of the distance sensor (401) and then feeds back the detection result through the signal feedback device (403); The second bending angle detection mechanism (5) comprises a light source emitting assembly (501) and a light source display assembly (502); the light source emitting assembly (501) is provided on one side wall of the movable plate (2); the light source emitting assembly (501) is provided on the other side wall of the movable plate (2); the light source emitting assembly (501) and the light source display assembly (502) are symmetrically arranged.

2. The device for accurately detecting the bending angle of a bent plate according to claim 1, characterized in that: The angle adjustment drive assembly comprises a worm wheel (10), a worm (11) and a knob (12); a worm wheel (10) is provided on the shaft portion at one end of the flip shaft (3); a worm (11) is rotatably provided on the side wall of the fixed seat (1); the worm (11) is meshed with the worm wheel (10), and a knob (12) is provided at one end of the worm (11).

3. The device for accurately detecting the bending angle of a bent plate according to claim 1, characterized in that: An angle dial (13) is provided on the side wall of the fixing seat (1) at the flip shaft (3), the angle dial (13) is arranged concentrically with the flip shaft (3), and a pointer (14) pointing to the angle dial (13) is provided on the outer wall of the shaft portion of the flip shaft (3) at one end close to the worm gear (10).

4. The device for accurately detecting the bending angle of a bent plate according to claim 1, characterized in that: The bending plate moving and positioning mechanism (8) comprises a linear electromagnetic guide rail (801), an L-shaped positioning seat (802), a positioning cylinder (803) and a positioning plate (804); the first groove (7) is provided with a linear electromagnetic guide rail (801); an L-shaped positioning seat (802) is slidably provided on the linear electromagnetic guide rail (801); a positioning cylinder (803) is provided on the L-shaped positioning seat (802); a positioning plate (804) is provided inside the L-shaped positioning seat (802); and the top of the positioning plate (804) is connected to the output end of the positioning cylinder (803).

5. The device for accurately detecting the bending angle of a bent plate according to claim 4, characterized in that: A sinking groove (15) is provided on the fixed seat (1) on both sides of the first groove (7), and a movable guide roller (16) is rotatably provided in the sinking groove (15). The movable guide roller (16) is provided in a plurality of groups, and the tops of the plurality of groups of movable guide rollers (16) all extend out of the top of the sinking groove (15).

6. The device for accurately detecting the bending angle of a bent plate according to claim 1, characterized in that: The position adjustment component comprises a linear screw (404), a movable seat (405) and a rotating wheel (406); the linear screw (404) is rotatably arranged in the second groove (9), and the movable seat (405) is slidably arranged in the second groove (9); the movable seat (405) is threadedly connected to the linear screw (404); the distance measuring sensor (401) is arranged on the movable seat (405); and the rotating wheel (406) is arranged on the shaft portion at the upper end of the linear screw (404).

7. The device for accurately detecting the bending angle of a bent plate according to claim 1, characterized in that: The light source emitting assembly (501) comprises a mounting groove (17) and a laser lamp (18); a mounting groove (17) is provided on one side wall of the movable plate (2); a laser lamp (18) is provided inside the mounting groove (17); and a plurality of laser lamps (18) are arranged along the length direction of the mounting groove (17).

8. The device for accurately detecting the bending angle of a bent plate according to claim 7, characterized in that: The light source display assembly (502) comprises a display slot body (19) and a display panel (20); a display slot body (19) is provided on one side wall of the movable panel (2); the display slot body (19) is symmetrically arranged with the mounting slot body (17); a display panel (20) is provided inside the display slot body (19); the display panel (20) is symmetrically arranged with the plurality of groups of laser lights (18).

9. The device for accurately detecting the bending angle of a bent plate according to claim 5, characterized in that: The bottom of the positioning plate (804) and the surface of the movable guide roller (16) are both provided with rubber cushion layers.

10. The device for accurately detecting the bending angle of a bent plate according to claim 8, characterized in that: The installation slot body (17) and the display slot body (19) are both detachably mounted on the side wall of the movable plate (2) via bolts.

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