Automatic rivet pulling device for assembling door leaf main lock

Abstract

The utility model relates to an automatic rivet pulling device for assembling a door leaf main lock, which comprises a conveying bed, the conveying bed comprises a conveying frame, the conveying frame is provided with a conveying mechanism, side positioning mechanisms and an end positioning mechanism, the conveying mechanism is used for conveying a door leaf, the side positioning mechanisms are arranged on the left side and the right side of the conveying mechanism, and the end positioning mechanism is arranged on the conveying frame. The side part positioning mechanism is used for positioning the side part of the door leaf, and the end head positioning mechanism is arranged at the rear end of the conveying mechanism and is used for positioning the end part of the door leaf; the mechanical arm is arranged on one side close to a main lock mounting hole of a conveying door leaf on the conveying bed; and the rivet pulling mechanism is arranged on the mechanical arm, and the rivet pulling mechanism is used for installing a rivet pulling nut in a main lock installation hole. The riveting device can solve the problems that in the prior art, manual installation of the riveting nut at the door leaf main lock installation hole site is low in efficiency, poor in consistency and not suitable for an automatic production line.

Description

Technical Field

[0001] The utility model relates to the technical field of door leaf assembly, in particular to an automatic riveting device used for assembling a main lock of a door leaf. Background Art

[0002] The main lock of the door leaf is generally connected and assembled with the door leaf by means of screws and nuts. Since the door leaf is formed by sheet metal processing, it is impossible to directly process and form threaded holes. If a movable nut is used, it is troublesome to connect with the screw, and it is difficult to realize automated production. Therefore, before assembling the main lock, a rivet nut is generally installed in the main lock installation hole reserved on the door leaf. The existing rivet nut usually includes a cylindrical section, one end of which is a threaded hole for connecting with the screw, and the other end of which is a through hole coaxially connected to the threaded hole. A flange extending radially outward is provided at one end of the cylindrical section near the through hole. When the rivet nut needs to be fixed to a part, the cylindrical section of the rivet nut can be first installed into the rivet hole of the part. At this time, the flange of the rivet screw is against the front of the part. Then the rivet head with an external thread of the rivet nut gun is passed through the through hole and threaded into the threaded hole of the cylindrical section. At this time, the rivet head pulls the cylindrical section upward, and the through hole section of the cylindrical section expands outward and presses against the back of the part, thereby reliably riveting the rivet nut to the part.

[0003] In the prior art, a rivet nut gun is usually used to manually hold the nut onto the rivet gun rod with one hand, and move the rivet gun to the door leaf main lock installation hole with the other hand to install the rivet nut. This manual rivet nut operation method has low production efficiency, high cost, poor product consistency, high labor intensity, poor safety, and is difficult to adapt to today's high-demand automated production lines. Utility Model Content

[0004] The utility model aims to provide an automatic riveting device for assembling the main lock of a door leaf, so as to solve the problems in the prior art of low efficiency, poor consistency and inability to adapt to automated production lines when manually installing rivet nuts at the installation holes of the main lock of the door leaf.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] An automatic riveting device for assembling a main lock of a door leaf, comprising:

[0007] A conveyor bed, the conveyor bed comprises a conveyor frame, the conveyor frame is provided with a conveying mechanism, a side positioning mechanism and an end positioning mechanism, the conveying mechanism is used to convey door leaves, the side positioning mechanism is arranged on the left and right sides of the conveying mechanism, the side positioning mechanism is used to position the side of the door leaf, the end positioning mechanism is arranged at the rear end of the conveying mechanism, and the end positioning mechanism is used to position the end of the door leaf;

[0008] A mechanical arm, the mechanical arm is arranged on one side of a main lock installation hole close to the conveying door leaf on the conveying bed;

[0009] A rivet mechanism, wherein the rivet mechanism is arranged on the mechanical arm and is used for installing a rivet nut on the main lock installation hole.

[0010] Furthermore, the conveying mechanism includes a synchronous belt, a driving roller, a driven roller and a conveying motor, the driving roller and the driven roller are both rotatably connected to the conveying frame, the synchronous belt is outermost around the driving roller and the driven roller, and the driving roller is connected to the output shaft of the conveying motor in a manner that allows for synchronous rotation.

[0011] Furthermore, conveying mechanisms are provided on both sides of the conveying frame, and a first guide rail is provided on the conveying frame along the left and right directions, wherein the conveying mechanism on one side is slidably connected to the first guide rail, and the conveying mechanism on the other side is fixedly connected to the conveying frame.

[0012] Furthermore, the side positioning mechanism includes a side ruler arranged on the left side of the conveying frame and a side pushing assembly arranged on the right side of the conveying frame, the side pushing assembly includes a first cylinder arranged on the conveying frame and a push plate connected to the output shaft of the first cylinder, the first cylinder is used to drive the push plate to push the door leaf placed on the conveying mechanism so that the side of the door leaf is abutted and positioned against the side ruler.

[0013] Furthermore, the side positioning mechanism also includes a second guide rail arranged on the side of the conveying frame, the second guide rail is arranged along the front-to-back direction, the side ruler includes a first side ruler and a second side ruler, the first side ruler is slidably connected to the second guide rail, the second side ruler is fixedly connected to the rear end of the side of the conveying frame, and a mobile light source is also slidably connected to the second guide rail.

[0014] Furthermore, the end positioning mechanism includes a base arranged at the rear end of the conveying mechanism, an end ruler slidably connected to the base up and down, and a second cylinder arranged on the base, and the output shaft of the second cylinder is connected to the end ruler to drive the end ruler to move up and down.

[0015] Furthermore, the robotic arm has three axes including a first arm segment, a second arm segment and a third arm segment, and the robotic arm is used to drive the riveting mechanism to move in the up and down, left and right, and front and back directions.

[0016] Furthermore, it also includes a base, and the mechanical arm is arranged on the base.

[0017] Furthermore, the riveting mechanism includes a rivet gun head, an identification component and a third cylinder. The output end of the third cylinder is connected to the rivet gun head to drive the rivet gun head to move forward and backward. The identification component is used to identify the rivet nut and the main lock installation hole position.

[0018] Beneficial effects of the utility model:

[0019] 1. Since the side positioning mechanism and the end positioning mechanism are arranged on the conveyor bed, the door leaf can be positioned in the left and right directions and the front and back directions when it is conveyed to the riveting station, so that the riveting mechanism on the mechanical arm on one side of the main lock installation hole of the door leaf can identify the main lock installation hole and automatically install the rivet nut; after the installation is completed, the side positioning mechanism and the end positioning mechanism can release the positioning of the door leaf and convey the door leaf to the next station. The automatic riveting device for assembling the main lock of the door leaf described in the utility model solves the problems of low efficiency, poor consistency and inability to adapt to automated production lines in the manual installation of the rivet nuts at the main lock installation hole of the door leaf in the prior art.

[0020] 2. Since the conveying frame is provided with a first guide rail along the left-right direction, and a conveying mechanism on one side is slidably connected to the first guide rail, the distance between the two conveying mechanisms can be adjusted, so it can adapt to door leaf models of different widths; at the same time, the side of the conveying frame is provided with a second guide rail along the front-back direction, and the first side ruler is slidably connected to the second guide rail, so the width between the side rulers can be adjusted, so it can adapt to door leaf models of different lengths, thereby improving the application range of the conveying bed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of an automatic riveting device;

[0022] Figure 2 It is a schematic diagram of the structure of the conveyor bed;

[0023] Figure 3 It is a schematic diagram of the left side of the conveyor bed;

[0024] Figure 4 It is a schematic diagram of the rear side of the conveyor bed;

[0025] Figure 5 It is a schematic diagram of the structure of the robot arm and the riveting mechanism;

[0026] Figure 6 It is the principle block diagram of the automatic riveting device.

[0027] Markings and technical features in the figure:

[0028] 1. Robotic arm; 11. First arm segment; 12. Second arm segment; 13. Third arm segment;

[0029] 2. Riveting mechanism; 21. Riveting gun head; 22. Identification component; 23. Third cylinder;

[0030] 3. Conveyor bed; 31. Conveyor rack;

[0031] 32. Conveying mechanism; 321. Synchronous belt; 322. Active roller; 323. Driven roller; 324. Chain; 325. Conveying motor; 326. First guide rail;

[0032] 33. Side positioning mechanism; 331. First side ruler; 332. Second guide rail; 333. Moving light source; 334. Second side ruler; 335. First cylinder; 336. Push plate;

[0033] 34. End positioning mechanism; 341. Clamping seat; 342. Second cylinder; 343. End ruler;

[0034] 4. Base;

[0035] 5. Door leaf; 51. Main lock installation hole. DETAILED DESCRIPTION

[0036] The following will refer to the accompanying drawings and preferred embodiments to illustrate the implementation of the utility model. Those skilled in the art can understand other advantages and effects of the utility model from the contents disclosed in this specification. The utility model can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the utility model. It should be understood that the preferred embodiments are only for illustrating the utility model, not for limiting the scope of protection of the utility model.

[0037] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. The illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0038] like Figure 1-Figure 6 As shown, this embodiment proposes an automatic riveting device for assembling the main lock of the door leaf 5, comprising:

[0039] The conveying bed 3 includes a conveying frame 31, on which a conveying mechanism 32, a side positioning mechanism 33 and an end positioning mechanism 34 are provided. The conveying mechanism 32 is used to convey the door leaf 5. The side positioning mechanism 33 is arranged on the left and right sides of the conveying mechanism 32. The side positioning mechanism 33 is used to position the side of the door leaf 5. The end positioning mechanism 34 is arranged at the rear end of the conveying mechanism 32. The end positioning mechanism 34 is used to position the end of the door leaf 5.

[0040] The mechanical arm 1 is arranged on one side of the main lock installation hole 51 of the conveying door leaf 5 on the conveying bed 3.

[0041] The rivet mechanism 2 is arranged on the mechanical arm 1, and the rivet mechanism 2 is used to install the rivet nut on the main lock installation hole 51.

[0042] It should be noted that a side positioning mechanism 33 and an end positioning mechanism 34 are provided on the conveying bed 3, and the control unit controls the conveying mechanism 32, the side positioning mechanism 33 and the end positioning mechanism 34, so that the door leaf 5 can be positioned in the left and right directions and the front and back directions when it is conveyed to the riveting station, so that the riveting mechanism 2 on the mechanical arm 1 on one side of the main lock installation hole 51 of the door leaf 5 can identify the main lock installation hole 51 and automatically install the rivet nut; after the installation is completed, the side positioning mechanism 33 and the end positioning mechanism 34 can release the positioning of the door leaf 5, and then convey the door leaf 5 to the next station. This solves the problems of low efficiency, poor consistency and inability to adapt to automated production lines in the manual installation of the rivet nuts at the main lock installation hole 51 of the door leaf 5 in the prior art.

[0043] In this embodiment, Figure 3 As shown, the conveying mechanism 32 includes a synchronous belt 321, a driving roller 322, a driven roller 323 and a conveying motor 325. The driving roller 322 and the driven roller 323 are both rotatably connected to the conveying frame 31, and their rotation directions are both counterclockwise (or clockwise). The synchronous belt 321 is sleeved on the driving roller 322 and the driven roller 323. The driving roller 322 is connected to the output shaft of the conveying motor 325 in a synchronously rotatable manner. Specifically, the output shaft of the conveying motor 325 is connected to the driving roller 322 through a gear and a chain 324. The synchronous belt 321 is driven by the conveying motor 325 to move on the roller, thereby driving the front end of the door leaf 5 to move forward to the end positioning mechanism 34 for positioning.

[0044] In this embodiment, Figure 4As shown, the conveying frame 31 is provided with conveying mechanisms 32 on both the left and right sides, and the conveying frame 31 is provided with first guide rails 326 along the left and right directions, wherein the conveying mechanism 32 on one side is slidably connected to the first guide rail 326, and the conveying mechanism 32 on the other side is fixedly connected to the conveying frame 31. By slidingly connecting the conveying mechanism 32 on one side to the first guide rail 326, the distance between the two conveying mechanisms 32 can be adjusted to adapt to door leaf 5 models of different widths, thereby improving the applicable range of the conveying bed 3.

[0045] In this embodiment, Figure 3 and Figure 4 As shown, the side positioning mechanism 33 includes a side ruler provided on the left side of the conveying frame 31 and a side push assembly provided on the right side of the conveying frame 31, and the side push assembly includes a first cylinder 335 provided on the conveying frame 31 and a push plate 336 connected to the output shaft of the first cylinder 335, and the first cylinder 335 is used to drive the push plate 336 to push the door leaf 5 placed on the conveying mechanism 32, so that the side of the door leaf 5 abuts against the side ruler for positioning. By setting the first cylinder 335 to drive the push plate 336 to move left and right, when the door leaf 5 on the conveying mechanism 32 needs to be positioned, the push plate 336 moves to the left to push the right side of the door leaf 5 until the left side of the door leaf 5 abuts against the side ruler, completing the positioning of the left and right sides of the door leaf 5.

[0046] In this embodiment, Figure 3 As shown, the side positioning mechanism 33 also includes a second guide rail 332 provided on the side of the conveying frame 31, the second guide rail 332 is arranged along the front-back direction, the side ruler includes a first side ruler 331 and a second side ruler 334, the first side ruler 331 is slidably connected to the second guide rail 332, the second side ruler 334 is fixedly connected to the rear end of the side of the conveying frame 31, and a movable light source 333 is also slidably connected to the second guide rail 332. By providing the first side ruler 331 slidably connected to the second guide rail 332, the width between the side rulers can be adjusted to adapt to door leaf 5 models of different lengths, thereby improving the applicable range of the conveying bed 3; the movable light source 333 can be arranged according to the position of the main lock mounting hole 51 to provide illumination for the recognition component 22 of the riveting mechanism 2 to increase the recognition accuracy.

[0047] In this embodiment, Figure 5As shown, the end positioning mechanism 34 includes a holder 341 disposed at the rear end of the conveying mechanism 32, an end ruler 343 slidably connected to the holder 341, and a second cylinder 342 disposed on the holder 341, wherein the output shaft of the second cylinder 342 is connected to the end ruler 343 to drive the end ruler 343 to move up and down. By arranging the second cylinder 342 to drive the end ruler 343 to move up and down, when the front end of the door leaf 5 on the conveying mechanism 32 is close to the end ruler 343, the second cylinder 342 drives the end ruler 343 to move upward until the door leaf 5 abuts against the end ruler 343, and then the conveying mechanism 32 stops transporting, that is, the positioning of the door leaf 5 in the front and rear directions is completed.

[0048] In this embodiment, Figure 5 As shown, the robot arm 1 has three axes including a first arm segment 11, a second arm segment 12 and a third arm segment 13. The robot arm 1 is used to drive the riveting mechanism 2 to move in the up-down, left-right and front-back directions. The riveting mechanism 2 is arranged at the end of the third arm segment 13, and the rotation axes of the three arm segments are perpendicular to each other. In this way, the multiple arm segments of the robot arm 1 can be adjusted to any position by corresponding rotation adjustment. The position and posture adjustment of the robot arm 1 can be controlled by the control unit. The control unit calculates the angle that each arm segment needs to rotate according to the position coordinates, thereby controlling the robot arm 1 to adjust to the corresponding position. This control method can be understood with reference to the prior art and will not be discussed here.

[0049] In this embodiment, Figure 1 As shown, it also includes a base 4, and the mechanical arm 1 is arranged on the base 4. The height of the base 4 is set with reference to the height of the door leaf 5 on the transport bed, so that the height of the mechanical arm 1 is within the height range of the rivet nut that is easy to install.

[0050] In this embodiment, Figure 5As shown, the rivet mechanism 2 includes a rivet gun head 21, an identification component 22 and a third cylinder 23. The output end of the third cylinder 23 is connected to the rivet gun head 21 to drive the rivet gun head 21 to move forward and backward. The identification component 22 is used to identify the position of the rivet nut sieve plate and the main lock installation hole 51. Specifically, the identification component 22 is a camera, which provides brightness by moving the light source 333 to facilitate the camera to identify the position of the main lock installation hole 51. When installing the rivet nuts, the control unit first controls the identification component 22 to identify the position of the rivet nut sieve plate, and controls the mechanical arm 1 to drive the rivet gun head 21 to move to the rivet nut sieve plate installed nearby according to the position of the rivet nut sieve plate, and automatically completes the loading of the rivet nuts on the rivet gun head 21, and then controls the identification component 22 to identify the position of the main lock mounting hole 51, and controls the mechanical arm 1 to drive the rivet gun head 21 to move to the position of the main lock mounting hole 51 according to the position of the main lock mounting hole 51, and finally controls the rivet gun head 21 to move back and forth to install the rivet nuts by the third cylinder 23. After the installation is completed, repeat the above steps until the rivet nuts are installed in all the main lock mounting holes 51 on the door leaf 5.

[0051] As can be seen from the detailed description of the above embodiments, the conveyor bed 3 of the utility model is provided with a side positioning mechanism 33 and an end positioning mechanism 34, so that the door leaf 5 can be positioned in the left and right directions and the front and rear directions when it is conveyed to the riveting station, so that the riveting mechanism 2 on the mechanical arm 1 located on one side of the main lock installation hole 51 of the door leaf 5 can identify the main lock installation hole 51 and automatically install the rivet nut; after the installation is completed, the side positioning mechanism 33 and the end positioning mechanism 34 can release the positioning of the door leaf 5, and then convey the door leaf 5 to the next station. This solves the problems of low efficiency, poor consistency and inability to adapt to automated production lines in the manual installation of the rivet nut at the main lock installation hole 51 of the door leaf 5 in the prior art.

[0052] At the same time, a first guide rail 326 is arranged on the conveying frame 31 along the left-right direction, and a conveying mechanism 32 on one side is slidably connected to the first guide rail 326, so that the distance between the two conveying mechanisms 32 can be adjusted to adapt to door leaf 5 models of different widths; at the same time, a second guide rail 332 is arranged on the side of the conveying frame 31 along the front-back direction, and a first side ruler 331 is slidably connected to the second guide rail 332, so that the width between the side rulers can be adjusted to adapt to door leaf 5 models of different lengths; thereby improving the application range of the conveying bed 3.

[0053] The above embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Any equivalent substitution or modification made by a person skilled in the art based on the present invention is within the protection scope of the present invention.

Claims

1. An automatic riveting device for assembling a door leaf main lock, characterized in that: include: A conveying bed (3), the conveying bed (3) comprising a conveying frame (31), the conveying frame (31) being provided with a conveying mechanism (32), a side positioning mechanism (33) and an end positioning mechanism (34), the conveying mechanism (32) being used to convey a door leaf (5), the side positioning mechanism (33) being arranged on the left and right sides of the conveying mechanism (32), the side positioning mechanism (33) being used to position the side of the door leaf (5), the end positioning mechanism (34) being arranged at the rear end of the conveying mechanism (32), the end positioning mechanism (34) being used to position the end of the door leaf (5); A mechanical arm (1), the mechanical arm (1) being arranged on one side close to a main lock mounting hole (51) of a conveying door leaf (5) on the conveying bed (3); A riveting mechanism (2), wherein the riveting mechanism (2) is arranged on the mechanical arm (1), and the riveting mechanism (2) is used to install a rivet nut on the main lock installation hole (51).

2. The automatic riveting device for assembling the main lock of a door leaf according to claim 1, characterized in that: The conveying mechanism (32) comprises a synchronous belt (321), a driving roller (322), a driven roller (323) and a conveying motor (325); the driving roller (322) and the driven roller (323) are both rotatably connected to the conveying frame (31); the synchronous belt (321) is sleeved on the driving roller (322) and the driven roller (323); the driving roller (322) is connected to an output shaft of the conveying motor (325) in a manner capable of synchronous rotation.

3. The automatic riveting device for assembling the main lock of a door leaf according to claim 2, characterized in that: A conveying mechanism (32) is provided on both left and right sides of the conveying frame (31), and a first guide rail (326) is provided on the conveying frame (31) along the left-right direction, wherein the conveying mechanism (32) on one side is slidably connected to the first guide rail (326), and the conveying mechanism (32) on the other side is fixedly connected to the conveying frame (31).

4. The automatic riveting device for assembling the main lock of a door leaf according to claim 1, characterized in that: The side positioning mechanism (33) comprises a side ruler arranged on the left side of the conveying frame (31) and a side push assembly arranged on the right side of the conveying frame (31); the side push assembly comprises a first cylinder (335) arranged on the conveying frame (31) and a push plate (336) connected to an output shaft of the first cylinder (335); the first cylinder (335) is used to drive the push plate (336) to push the door leaf (5) placed on the conveying mechanism (32) so that the side of the door leaf (5) abuts against the side ruler for positioning.

5. The automatic riveting device for assembling the main lock of a door leaf according to claim 4, characterized in that: The side positioning mechanism (33) further comprises a second guide rail (332) arranged on the side of the conveying frame (31), the second guide rail (332) being arranged along the front-rear direction, the side ruler comprising a first side ruler (331) and a second side ruler (334), the first side ruler (331) being slidably connected to the second guide rail (332), the second side ruler (334) being fixedly connected to the rear end of the side of the conveying frame (31), and a movable light source (333) being slidably connected to the second guide rail (332).

6. The automatic riveting device for assembling the main lock of a door leaf according to claim 1, characterized in that: The end positioning mechanism (34) comprises a clamping seat (341) arranged at the rear end of the conveying mechanism (32), an end ruler (343) slidably connected to the clamping seat (341) and a second cylinder (342) arranged on the clamping seat (341), wherein the output shaft of the second cylinder (342) is connected to the end ruler (343) to drive the end ruler (343) to move up and down.

7. The automatic riveting device for assembling the main lock of a door leaf according to any one of claims 1 to 6, characterized in that: The mechanical arm (1) has three axes, including a first arm segment (11), a second arm segment (12), and a third arm segment (13); the mechanical arm (1) is used to drive the riveting mechanism (2) to move in up and down, left and right, and front and back directions.

8. The automatic riveting device for assembling the main lock of a door leaf according to claim 7, characterized in that: It also comprises a base (4), and the mechanical arm (1) is arranged on the base (4).

9. The automatic riveting device for assembling the main lock of a door leaf according to any one of claims 1 to 6, characterized in that: The riveting mechanism (2) comprises a riveting gun head (21), an identification component (22) and a third cylinder (23); an output end of the third cylinder (23) is connected to the riveting gun head (21) and is used to drive the riveting gun head (21) to move forward and backward; and the identification component (22) is used to identify the position of the riveting nut and the main lock installation hole (51).

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