Welding stud perpendicularity detection device based on multiple sensors

Abstract

The invention relates to the technical field of welding stud perpendicularity detection equipment, in particular to a welding stud perpendicularity detection device based on multiple sensors, which comprises a base, a balance structure, a first detection structure, a driving structure, a transmission structure, a fixing structure and a second detection structure, the top, close to the back face, of the base is fixedly connected with the bottom end of the handle, the optical probe detects the deflection angle displayed by the plumb block and the scale plate, the welding angle of the stud can be preliminarily detected, and the center point of cross laser emitted by the laser positioner is aligned with the center of the stud; the laser positioner drives the laser generator to rotate through the connecting rod, after projection laser of the laser generator is in butt joint with the laser receiver of the receiving block, the deflection angle of stud welding is calculated by calculating the angle between the laser and the receiver, then the two data are compared, and therefore detection of the perpendicularity of the welded stud is completed.

Description

Technical Field

[0001] The invention relates to the technical field of welding stud verticality detection equipment, in particular to a welding stud verticality detection device based on multiple sensors. Background Art

[0002] Stud welding technology has been widely used in the fields of automobile and shipbuilding due to its advantages of fast, reliable, simple operation and low cost. The stud is welded by a welding gun. There is a requirement for the verticality between the central axis of the stud and the plane of the workpiece. The quality of the stud welded parts is directly related to the verticality of the stud.

[0003] At present, most of the welding stud verticality detection devices on the market can only use a single detection method to detect the verticality of the stud welding when in use. There is no second data for comparison, which causes errors in the test results due to human factors. Summary of the invention

[0004] The purpose of the present invention is to provide a welding stud verticality detection device based on multiple sensors to solve the problem that the welding stud verticality detection device proposed in the above background technology has no second data for comparison, resulting in errors in the test results due to human factors. To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a welding stud verticality detection device based on a multi-sensor, comprising a base, a balancing structure, a first detection structure, a driving structure, a transmission structure, a fixed structure and a second detection structure, wherein the top of the base near the back is fixedly connected to the bottom end of the handle, the bottom of the base is fixedly connected to the top of the balancing structure, the balancing structure is composed of a balancing plate, a balancing rod, a receiving block, a connecting block, a rotating block and a telescopic tube, the bottom of the base located in front of the balancing structure is fixedly connected to the top of the first detection structure, the first detection structure comprises an optical probe, a scale plate, a deflection block and a plumb block, the top of the base near the waist is fixedly connected to the bottom of the driving structure by bolts, the outer wall of the driving structure is meshed with the outer wall of the transmission structure, the top of the transmission structure is fixedly connected to the bottom of the base, the inner wall of the transmission structure is snap-connected with the outer wall of the fixed structure, the top of the fixed structure is fixedly connected to the bottom of the base near the front, the top of the base is fixedly connected to the bottom of the second detection structure, and the second detection structure is composed of a connecting block, a connecting rod, a laser locator and a laser generator.

[0005] Preferably, the top of the balance board is fixedly connected to the bottom of the base, and the front side of the balance board close to the bottom is fixedly connected to one end of a balance pole, the outer wall of the other end of the balance pole is rotatably connected to the inner wall of a receiving block, and a laser receiver is provided on the top of the receiving block, the bottom of the receiving block is fixedly connected to the top of the connecting block, and the outer wall of the connecting block is rotatably connected to the inner wall of the rotating block, and the bottom of the rotating block is fixedly connected to the top of the telescopic tube.

[0006] Preferably, the top of the optical probe is fixedly connected to the bottom of the base, and the top of the scale plate is fixedly connected to the bottom of the base, the horizontal center of the scale plate coincides with the horizontal midline of the optical probe, and a rotating hole is opened at the center of the scale plate, the inner wall of the rotating hole is rotatably connected to the outer wall of the deflection block, and the outer wall of the deflection block is fixedly connected to the plumb block through a rope.

[0007] Preferably, the driving structure consists of a driving block, a driving motor and a driving gear, the interior of the driving block is fixedly connected to the top of the base by bolts, and the inner wall of the driving block is snap-connected to the outer wall of the driving motor, and the outer wall of the output shaft of the driving motor is snap-connected to the inner wall of the driving gear, and the outer wall of the driving gear is meshingly connected to the outer wall of the transmission structure.

[0008] Preferably, the transmission structure includes a transmission gear, a transmission rod, a driving wheel, a transmission belt, a driven wheel and a fixed block, the outer wall of the transmission gear is meshingly connected with the outer wall of the driving gear, and the inner wall of the transmission gear is snap-connected with the outer wall of the transmission rod, driving wheels are provided at both ends of the transmission rod, and the outer wall of the driving wheel is transmission-connected to the driven wheel through a transmission belt, the outer wall of the transmission rod is rotatably connected to the inner wall of the fixed block, and the top of the fixed block is fixedly connected to the bottom of the base.

[0009] Preferably, the fixing structure consists of a threaded rod, a fixing cylinder and a clamping plate, the outer wall of one end of the threaded rod is snap-connected with the inner wall of the driven wheel, and the outer wall of the threaded rod is threadedly connected with the inner wall of the fixing cylinder, a cross groove is provided on the top of the fixing cylinder, and one end of the threaded rod located inside the fixing cylinder is rotatably connected with the outer wall of the clamping plate, and the outer wall of the clamping plate is movably abutted against the inner wall of the fixing cylinder.

[0010] Preferably, the bottom of the connecting block is fixedly connected to the top of the base, and the inner wall of the connecting block close to the top is rotatably connected to the outer wall of the connecting rod through a bearing, one end of the connecting rod is fixedly connected to the back of the laser locator, and the laser locator is arranged directly above the fixed cylinder, and the other end of the connecting rod is fixedly connected to the front of the laser generator, and the laser generator is arranged directly above the receiving block.

[0011] Preferably, the outer wall of the handle is provided with a rubber sleeve, and the outer wall of the rubber sleeve is provided with anti-slip patterns.

[0012] Preferably, a projection groove is provided on the inner wall of the base close to the handle, and the center line of the projection groove coincides with the center line of the receiving block.

[0013] Preferably, the telescopic tube is composed of a fixed tube and a movable rod, and the inner wall of the fixed tube is movably sleeved with the outer wall of the movable rod, and the top end of the movable rod is fixedly connected with the bottom end of the rotating block.

[0014] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the receiving block is rotated so that the receiving block is parallel to the welding surface, and the receiving block is positioned and fixed using a telescopic tube. The plumb block drives the deflection block to rotate under the action of gravity, and the deflection angle displayed by the plumb block and the scale plate is detected by an optical probe, so that the welding angle of the stud can be preliminarily detected.

[0015] In the present invention, the laser locator is rotated to align the center point of the cross laser emitted by the laser locator with the center of the stud, and the laser locator drives the laser generator to rotate through the connecting rod. After the projected laser of the laser generator is docked with the laser receiver of the receiving block, the deflection angle of the stud welding is calculated by calculating the angle between the laser and the receiver, and then the two data are compared to complete the detection of the verticality of the welding stud, and the welding angle of the stud can be accurately detected.

[0016] In the present invention, the driving motor is started, and the driving motor drives the transmission gear to rotate through the driving gear, and the transmission gear drives the transmission rod to rotate. Through the mutual cooperation of the driving wheel, the transmission belt and the driven wheel, the transmission rod drives the threaded rod to rotate. Under the action force of the thread, the threaded rod pushes the clamping plate to move inward, so that the inner wall of the clamping plate abuts against the outer wall of the stud, so that the device can be used for different direct studs, thereby expanding the application range of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 is a cross-sectional view of the present invention; Figure 3 An exploded view of the present invention; Figure 4 An exploded view of the base, driving structure and transmission structure of the present invention; Figure 5 It is an exploded view of the base, the balancing structure and the first detection structure of the present invention.

[0018] In the figure: 1. base; 2. handle; 3. balance structure; 301. balance board; 302. balance rod; 303. receiving block; 304. connecting block; 305. rotating block; 306. telescopic tube; 4. first detection structure; 401. optical probe; 402. scale plate; 403. deflection block; 404. plumb block; 5. driving structure; 501. driving block; 502. driving motor; 503. driving gear; 6. transmission structure; 601. transmission gear; 602. transmission rod; 603. driving wheel; 604. transmission belt; 605. driven wheel; 606. fixed block; 7. fixed structure; 701. threaded rod; 702. fixed cylinder; 703. clamping plate; 8. second detection structure; 801. connecting block; 802. connecting rod; 803. laser locator; 804. laser generator. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figures 1 to 5 The present invention provides a technical solution: a welding stud verticality detection device based on a multi-sensor, comprising a base 1, a balancing structure 3, a first detection structure 4, a driving structure 5, a transmission structure 6, a fixing structure 7 and a second detection structure 8, wherein the top of the base 1 near the back is fixedly connected to the bottom end of the handle 2, the bottom of the base 1 is fixedly connected to the top of the balancing structure 3, the balancing structure 3 is composed of a balancing plate 301, a balancing rod 302, a receiving block 303, a connecting block 304, a rotating block 305 and a telescopic tube 306, the bottom of the base 1 located in front of the balancing structure 3 is fixedly connected to the top of the first detection structure 4, and the first detection structure 4 includes It includes an optical probe 401, a scale plate 402, a deflection block 403 and a plumb block 404. The top of the base 1 near the waist is fixedly connected to the bottom of the driving structure 5 by bolts. The outer wall of the driving structure 5 is meshed with the outer wall of the transmission structure 6. The top of the transmission structure 6 is fixedly connected to the bottom of the base 1. The inner wall of the transmission structure 6 is snap-connected with the outer wall of the fixed structure 7. The top of the fixed structure 7 is fixedly connected to the bottom of the base 1 near the front. The top of the base 1 is fixedly connected to the bottom of the second detection structure 8. The second detection structure 8 is composed of a connecting block 801, a connecting rod 802, a laser locator 803 and a laser generator 804.

[0021] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4and Figure 5 As shown, the top of the balance board 301 is fixedly connected to the bottom of the base 1, and the front side of the balance board 301 near the bottom is fixedly connected to one end of the balance pole 302, the outer wall of the other end of the balance pole 302 is rotatably connected to the inner wall of the receiving block 303, and a laser receiver is arranged on the top of the receiving block 303, the bottom of the receiving block 303 is fixedly connected to the top of the connecting block 304, and the outer wall of the connecting block 304 is rotatably connected to the inner wall of the rotating block 305, and the bottom of the rotating block 305 is fixedly connected to the top of the telescopic tube 306.

[0022] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the top of the optical probe 401 is fixedly connected to the bottom of the base 1, and the top of the scale plate 402 is fixedly connected to the bottom of the base 1, the horizontal center of the scale plate 402 coincides with the horizontal midline of the optical probe 401, and a rotating hole is opened at the center of the scale plate 402, the inner wall of the rotating hole is rotatably connected to the outer wall of the deflection block 403, and the outer wall of the deflection block 403 is fixedly connected to the plumb block 404 through a rope, the plumb block 404 drives the deflection block 403 to rotate under the action of gravity, and the deflection angle displayed by the plumb block 404 and the scale plate 402 is detected by the optical probe 401.

[0023] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the driving structure 5 is composed of a driving block 501, a driving motor 502 and a driving gear 503. The interior of the driving block 501 is fixedly connected to the top of the base 1 by bolts, and the inner wall of the driving block 501 is snap-connected to the outer wall of the driving motor 502, and the outer wall of the output shaft of the driving motor 502 is snap-connected to the inner wall of the driving gear 503, and the outer wall of the driving gear 503 is meshingly connected to the outer wall of the transmission structure 6.

[0024] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the transmission structure 6 includes a transmission gear 601, a transmission rod 602, a driving wheel 603, a transmission belt 604, a driven wheel 605 and a fixed block 606. The outer wall of the transmission gear 601 is meshed and connected with the outer wall of the driving gear 503, and the inner wall of the transmission gear 601 is snap-connected with the outer wall of the transmission rod 602. Both ends of the transmission rod 602 are provided with driving wheels 603, and the outer wall of the driving wheel 603 is transmission-connected with the driven wheel 605 through the transmission belt 604. The outer wall of the transmission rod 602 is rotationally connected with the inner wall of the fixed block 606, and the top of the fixed block 606 is fixedly connected with the bottom of the base 1. The driving motor 502 drives the transmission gear 601 to rotate through the driving gear 503, and the transmission gear 601 drives the transmission rod 602 to rotate, through the mutual cooperation of the driving wheel 603, the transmission belt 604 and the driven wheel 605.

[0025] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the fixing structure 7 is composed of a threaded rod 701, a fixing cylinder 702 and a clamping plate 703. The outer wall of one end of the threaded rod 701 is engaged with the inner wall of the driven wheel 605, and the outer wall of the threaded rod 701 is threadedly connected to the inner wall of the fixing cylinder 702. A cross groove is provided on the top of the fixing cylinder 702, and one end of the threaded rod 701 located inside the fixing cylinder 702 is fixedly connected to the outer wall of the clamping plate 703. The outer wall of the clamping plate 703 is movably abutted against the inner wall of the fixing cylinder 702. The transmission rod 602 drives the threaded rod 701 to rotate. Under the action of the thread, the threaded rod 701 pushes the clamping plate 703 to move inward, so that the inner wall of the clamping plate 703 abuts against the outer wall of the stud.

[0026] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the bottom of the connecting block 801 is fixedly connected to the top of the base 1, and the inner wall of the connecting block 801 near the top is rotatably connected to the outer wall of the connecting rod 802 through a bearing, one end of the connecting rod 802 is fixedly connected to the back of the laser locator 803, and the laser locator 803 is arranged directly above the fixed cylinder 702, the other end of the connecting rod 802 is fixedly connected to the front of the laser generator 804, and the laser generator 804 is arranged directly above the receiving block 303, and the laser locator 803 is rotated to align the center point of the cross laser emitted by the laser locator 803 with the center of the stud, and the laser locator 803 drives the laser generator 804 to rotate through the connecting rod 802. After the projected laser of the laser generator 804 is docked with the laser receiver of the receiving block 303, the deflection angle of the stud welding is calculated by calculating the angle between the laser and the receiver.

[0027] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the outer wall of the handle 2 is provided with a rubber sleeve, and the outer wall of the rubber sleeve is provided with anti-slip grooves. By grasping the handle 2, people can avoid slipping during use through the rubber sleeve.

[0028] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a projection groove is provided on the inner wall of the base 1 close to the handle 2 , and the center line of the projection groove coincides with the center line of the receiving block 303 , so that the projection laser of the laser generator 804 can penetrate the projection groove and dock with the receiving block 303 .

[0029] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the telescopic tube 306 is composed of a fixed tube and a movable rod, and the inner wall of the fixed tube is movably connected to the outer wall of the movable rod, and the top of the movable rod is fixedly connected to the bottom of the rotating block 305. By adjusting the distance between the fixed tube and the movable rod, the telescopic tube 306 can be positioned and fixed to the receiving block 303.

[0030] The use method and advantages of the present invention: When the multi-sensor based welding stud verticality detection device is working, the working process is as follows: like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, by grasping the handle 2, the base 1 is lifted as a whole and the fixing tube 702 is sleeved on the outside of the stud, the driving motor 502 is started, and the driving motor 502 drives the transmission gear 601 to rotate through the driving gear 503, and the transmission gear 601 drives the transmission rod 602 to rotate. Through the mutual cooperation of the driving wheel 603, the transmission belt 604 and the driven wheel 605, the transmission rod 602 drives the threaded rod 701 to rotate. Under the force of the thread, the threaded rod 701 pushes the clamping plate 703 to move inward, so that the inner wall of the clamping plate 703 abuts against the outer wall of the stud, and the receiving block 303 is rotated to make the receiving block 303 parallel to the welding surface, and the receiving block 303 is adjusted using the telescopic tube 306. After positioning and fixing, the plumb block 404 drives the deflection block 403 to rotate under the action of gravity, and the deflection angle displayed by the plumb block 404 and the scale plate 402 is detected by the optical probe 401. The laser locator 803 is rotated to align the center point of the cross laser emitted by the laser locator 803 with the center of the stud. The laser locator 803 drives the laser generator 804 to rotate through the connecting rod 802. After the projected laser of the laser generator 804 is docked with the laser receiver of the receiving block 303, the deflection angle of the stud welding is calculated by calculating the angle between the laser and the receiver, and then the two data are compared to complete the detection of the verticality of the welded stud.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit 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 to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A multi-sensor based welding stud verticality detection device, comprising a base (1), a balancing structure (3), a first detection structure (4), a driving structure (5), a transmission structure (6), a fixing structure (7) and a second detection structure (8), characterized in that: The top of the base (1) near the back is fixedly connected to the bottom end of the handle (2); the bottom of the base (1) is fixedly connected to the top of the balancing structure (3); the balancing structure (3) is composed of a balancing plate (301), a balancing rod (302), a receiving block (303), a connecting block (304), a rotating block (305) and a telescopic tube (306); the bottom of the base (1) located in front of the balancing structure (3) is fixedly connected to the top of the first detection structure (4); the first detection structure (4) includes an optical probe (401), a scale plate (402), a deflection block (403) and a plumb block (404); the base (1) is near The top of the waist is fixedly connected to the bottom of the driving structure (5) by bolts, the outer wall of the driving structure (5) is meshedly connected to the outer wall of the transmission structure (6), the top of the transmission structure (6) is fixedly connected to the bottom of the base (1), the inner wall of the transmission structure (6) is snap-connected to the outer wall of the fixed structure (7), the top of the fixed structure (7) is fixedly connected to the bottom of the base (1) near the front, the top of the base (1) is fixedly connected to the bottom of the second detection structure (8), and the second detection structure (8) is composed of a connecting block (801), a connecting rod (802), a laser locator (803) and a laser generator (804).

2. The multi-sensor based welding stud verticality detection device according to claim 1 is characterized in that: The top of the balancing board (301) is fixedly connected to the bottom of the base (1), and the front side of the balancing board (301) close to the bottom is fixedly connected to one end of a balancing pole (302), the outer wall of the other end of the balancing pole (302) is rotatably connected to the inner wall of a receiving block (303), and a laser receiver is arranged on the top of the receiving block (303), the bottom of the receiving block (303) is fixedly connected to the top of a connecting block (304), and the outer wall of the connecting block (304) is rotatably connected to the inner wall of a rotating block (305), and the bottom of the rotating block (305) is fixedly connected to the top of a telescopic tube (306).

3. The multi-sensor based welding stud verticality detection device according to claim 1 is characterized in that: The top of the optical probe (401) is fixedly connected to the bottom of the base (1), and the top of the scale plate (402) is fixedly connected to the bottom of the base (1), the horizontal center of the scale plate (402) coincides with the horizontal center line of the optical probe (401), and a rotation hole is opened at the center of the scale plate (402), the inner wall of the rotation hole is rotationally connected to the outer wall of the deflection block (403), and the outer wall of the deflection block (403) is fixedly connected to the plumb block (404) via a rope.

4. The multi-sensor based welding stud verticality detection device according to claim 1, characterized in that: The driving structure (5) is composed of a driving block (501), a driving motor (502) and a driving gear (503); the interior of the driving block (501) is fixedly connected to the top of the base (1) by means of bolts, and the inner wall of the driving block (501) is snap-connected to the outer wall of the driving motor (502), and the outer wall of the output shaft of the driving motor (502) is snap-connected to the inner wall of the driving gear (503), and the outer wall of the driving gear (503) is meshingly connected to the outer wall of the transmission structure (6).

5. The multi-sensor based welding stud verticality detection device according to claim 4 is characterized in that: The transmission structure (6) comprises a transmission gear (601), a transmission rod (602), a driving wheel (603), a transmission belt (604), a driven wheel (605) and a fixed block (606); the outer wall of the transmission gear (601) is meshingly connected with the outer wall of the driving gear (503), and the inner wall of the transmission gear (601) is snap-connected with the outer wall of the transmission rod (602); driving wheels (603) are provided at both ends of the transmission rod (602), and the outer wall of the driving wheel (603) is transmission-connected with the driven wheel (605) via a transmission belt (604); the outer wall of the transmission rod (602) is rotationally connected with the inner wall of the fixed block (606), and the top of the fixed block (606) is fixedly connected with the bottom of the base (1).

6. The multi-sensor based welding stud verticality detection device according to claim 5, characterized in that: The fixing structure (7) is composed of a threaded rod (701), a fixing cylinder (702) and a clamping plate (703); the outer wall of one end of the threaded rod (701) is snap-connected with the inner wall of the driven wheel (605), and the outer wall of the threaded rod (701) is threadedly connected with the inner wall of the fixing cylinder (702); a cross groove is provided on the top of the fixing cylinder (702), and one end of the threaded rod (701) located inside the fixing cylinder (702) is rotatably connected with the outer wall of the clamping plate (703), and the outer wall of the clamping plate (703) is movably abutted with the inner wall of the fixing cylinder (702).

7. The multi-sensor based welding stud verticality detection device according to claim 6 is characterized in that: The bottom of the connecting block (801) is fixedly connected to the top of the base (1), and the inner wall of the connecting block (801) close to the top is rotatably connected to the outer wall of the connecting rod (802) through a bearing, one end of the connecting rod (802) is fixedly connected to the back of the laser locator (803), and the laser locator (803) is arranged directly above the fixed cylinder (702), and the other end of the connecting rod (802) is fixedly connected to the front of the laser generator (804), and the laser generator (804) is arranged directly above the receiving block (303).

8. The multi-sensor based welding stud verticality detection device according to claim 1, characterized in that: The outer wall of the handle (2) is provided with a rubber sleeve, and the outer wall of the rubber sleeve is provided with anti-slip patterns.

9. The multi-sensor based welding stud verticality detection device according to claim 2, characterized in that: A projection groove is provided on the inner wall of the base (1) on the side close to the handle (2), and the center line of the projection groove coincides with the center line of the receiving block (303).

10. The multi-sensor based welding stud verticality detection device according to claim 2, characterized in that: The telescopic tube (306) is composed of a fixed tube and a movable rod, and the inner wall of the fixed tube is movably sleeved with the outer wall of the movable rod, and the top end of the movable rod is fixedly connected to the bottom of the rotating block (305).

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