An automatic riveting and tapping machine for seat belt brackets

Abstract

The present invention discloses an automatic riveting and tapping machine for a seat belt bracket, comprising a frame, a tooling assembly line mounted on the frame for positioning and conveying products to be processed, a riveting device, a tapping device, a riveting and tapping detection device, a screw thread detection device, and a sorting and unloading group sequentially arranged along the conveying direction of the tooling assembly line. A preparation bin is provided at the front end of the tooling assembly line, and a finished product bin is provided at the rear end of the tooling assembly line. Through the above-mentioned method, the present invention has a reasonable layout and can integrate loading, riveting, tapping, riveting detection, tapping hole detection, and unloading, thus saving space, ensuring production rhythm, and guaranteeing processing quality.

Description

Technical Field

[0001] The invention relates to the field of mechanical technology, in particular to an automatic riveting and tapping machine for a safety belt bracket. Background Art

[0002] At present, there is a seat belt bracket that needs to be riveted at three riveting positions. If the riveting points on the product are directly riveted, the product is prone to bending and deformation. After the riveting is completed, it is necessary to check whether the riveting is in place. Currently, the products are placed on the riveting equipment in turn and riveted, and then the products are placed on the testing mechanism for riveting testing. The front and back sides of the seat belt bracket also need to be tapped. After tapping, the tapping needs to be tested to check the size of the tapping holes. Currently, they are placed on the tapping equipment and the testing equipment in turn for operation. During the production process, the seat belt bracket needs to be repeatedly positioned on different equipment for related processing. Various equipment occupies a large area and wastes space. Repeatedly taking and placing the products for positioning wastes time. The repositioning process is likely to affect the positioning accuracy of the product, which directly affects the processing quality of the product.

[0003] Based on the above defects and deficiencies, it is necessary to improve the existing technology and design a seat belt bracket riveting and tapping automatic machine. Summary of the Invention

[0004] The main technical problem solved by the present invention is to provide an automatic riveting and tapping machine for a seat belt bracket, which solves the problem of cumbersome processing of the seat belt bracket and the problem that multiple placement and positioning of the product affects the processing accuracy.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a seat belt bracket riveting and tapping automatic machine, which includes a frame, a tooling assembly line installed on the frame for positioning and conveying products to be processed, a riveting device, a tapping device, a riveting and tapping detection device, a screw thread detection device and a sorting and unloading group arranged in sequence along the conveying direction of the tooling assembly line, a preparation bin is provided at the front end of the tooling assembly line, and a finished product bin is provided at the end of the tooling assembly line.

[0006] Preferably, the riveting device includes a riveting bracket, a tool positioning cylinder, a positioning block, a profiling cylinder, a profiling block, a boosting cylinder, a lifting plate, a horizontal cylinder, a first inner limit block, a lifting cylinder, a second inner limit block and a riveting block. The tool positioning cylinder is symmetrically installed at the front and rear positions of the lower part of the riveting bracket. The tool positioning cylinder drives the positioning block to extend and clamp the tool on the tool assembly line. The riveting bracket is symmetrically installed at the front and rear positions of the riveting bracket. The profiling cylinder drives the profiling block to extend and clamp the outer wall of the product. A boosting cylinder is installed on the top plate of the riveting bracket. The boosting cylinder drives the lifting plate to move downward. The lifting plate is installed with a horizontal cylinder. The horizontal cylinder drives the first inner limit block to extend into the interior of the product. A lifting cylinder is also installed on the top plate of the riveting bracket. The lifting cylinder drives the second inner limit block to extend into the interior of the product. The lifting plate is installed with a riveting block opposite to the riveting point on the product.

[0007] Preferably, the tapping device includes a tapping bracket, a positioning assembly, a downward pressure cylinder, a positioning block, a clamping assembly, a tapping machine and an oil tank, and a positioning assembly for positioning the tooling is symmetrically installed at the front and rear positions of the lower part of the tapping bracket, a downward pressure cylinder is installed on the top plate of the tapping bracket, and a positioning block is installed on the piston rod of the downward pressure cylinder to prevent the product from deforming, and a clamping assembly for clamping and fixing the product is also installed on the tapping bracket, and the tapping machine is installed on the frame. The clamping assembly includes a clamping cylinder, a clamping plate, a positioning pin, an in-position sensor and an oil receiving tank, clamping plates are installed on the two clamping arms of the clamping cylinder, and positioning pins corresponding to the mounting holes on the product are installed on the clamping plates, and an in-position sensor for detecting the presence or absence of a product is installed on the outer clamping plate, and a cooling channel is built into the inner clamping plate, and the cooling channel is externally connected to circulating cooling oil, the tool of the tapping machine passes through the inner clamping plate, and the bottom of the inner clamping plate is docked with the oil tank.

[0008] Preferably, the riveting and tapping detection device includes a detection bracket, a contour clamping assembly, a detection cylinder, a detection pressure plate, a sensing piece, a contact sensor and a single-sided tapping detection assembly, the detection bracket is equipped with a contour clamping assembly for clamping the product, the detection bracket is equipped with a detection cylinder, the detection pressure plate is elastically connected to the piston rod flange plate of the detection cylinder, the detection pressure plate is equipped with a sensing piece, the piston rod flange plate of the detection cylinder is equipped with a contact sensor, when detecting riveting, the detection cylinder drives the detection pressure plate to move downward, and the detection pressure plate contacts the riveting point on the product and stops; the single-sided tapping detection assembly includes a tapping bracket, a refill cylinder, a guide frame and a go / no-go gauge, the tapping bracket is equipped with a refill cylinder, the refill cylinder drives the go / no-go gauge to move horizontally toward the tapping hole on the product, the tapping bracket is equipped with a guide frame, and the go / no-go gauge passes through the guide frame.

[0009] Preferably, the screw thread detection device includes a second single-sided tapping detection component structure for detecting the screw thread hole on the other side of the product.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] Design riveting, tapping and inspection processes into automated designs;

[0012] The riveting device can position the tooling, clamp and position the product, and can rivet all the riveting points on the product in place at one time. It can also position the product by profiling inside and outside before riveting to avoid deformation of the product during the riveting process.

[0013] The tapping device can be fixed by pressing down the cylinder from above, and the internal clamping component clamps the product. The tapping machine performs the product tapping action. The tool can be cooled during the tapping process to avoid the tool from breaking due to high temperature.

[0014] The upper part of the riveting and tapping detection device uses a contact sensor to detect the value to determine whether the riveting pressure is qualified, and the side uses a cylinder to push the go / no-go gauge to determine whether the tapping is qualified. The tapping is done on both sides, front and back.

[0015] The loading method is to place the materials manually on the tooling, and the receiving method requires manual collection of finished boxes and placement of empty boxes; the product is single and there is no need to switch machine models. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of an automatic riveting and tapping machine for a seat belt bracket.

[0017] Figure 2 The figure is a structural diagram of the riveting device of an automatic riveting and tapping machine for a seat belt bracket.

[0018] Figure 3 The figure shows a side view of the riveting device of an automatic riveting and tapping machine for a seat belt bracket.

[0019] Figure 4 This is a partial structural diagram of the riveting device of an automatic riveting and tapping machine for a seat belt bracket.

[0020] Figure 5 The figure is a schematic diagram of the tapping device structure of an automatic riveting and tapping machine for a seat belt bracket.

[0021] Figure 6 The diagram is a structural diagram of a riveting and tapping detection device for an automatic riveting and tapping machine for a seat belt bracket.

[0022] Figure 7 This is a schematic diagram of the seat belt bracket structure. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0024] See also Figures 1 to 7 , embodiments of the present invention include:

[0025] A seat belt bracket riveting and tapping automatic machine includes a frame 1, a tooling assembly line 2 installed on the frame 1 for positioning and conveying products to be processed, a riveting device 3, a tapping device 4, a riveting and tapping detection device 5, a screw thread detection device 6 and a sorting and unloading group 7 arranged in sequence along the conveying direction of the tooling assembly line 2, a preparation bin 8 is provided at the conveying front end of the tooling assembly line 2, and a finished product bin 9 is provided at the conveying end of the tooling assembly line 2.

[0026] The riveting device 3 includes a riveting bracket 31, a tool positioning cylinder 32, a positioning block 33, a profiling cylinder 34, a profiling block 35, a booster cylinder 36, a lifting plate 37, a horizontal cylinder 38, a first inner limit block 39, a lifting cylinder 310, a second inner limit block 311 and a riveting block 312. The tool positioning cylinder 32 is symmetrically installed at the front and back positions of the lower part of the riveting bracket 31. The tool positioning cylinder 32 drives the positioning block 33 to extend and clamp the tool on the tool assembly line 2. The riveting bracket 31 is symmetrically installed at the front and back positions of the profiling Cylinder 34, the profiling cylinder 34 drives the profiling block 35 to extend and clamp the outer wall of the product. A booster cylinder 36 is installed on the top plate of the riveting bracket 31. The booster cylinder 36 drives the lifting plate 37 to move downward. The lifting plate 37 is installed with a horizontal cylinder 38. The horizontal cylinder 38 drives the first inner limit block 39 to extend into the interior of the product. A lifting cylinder 310 is also installed on the top plate of the riveting bracket 31. The lifting cylinder 310 drives the second inner limit block 311 to extend into the interior of the product. A riveting block 312 is installed on the lifting plate 37 opposite to the riveting point on the product.

[0027] The tapping device 4 includes a tapping bracket 41, a positioning component 42, a downward pressure cylinder 43, a positioning block 44, a clamping component 45, a tapping machine 46 and an oil tank 47. The positioning component 42 for positioning the tooling is symmetrically installed at the front and rear positions of the lower part of the tapping bracket 41. The top plate of the tapping bracket 41 is installed with a downward pressure cylinder 43. The piston rod of the downward pressure cylinder 43 is installed with a positioning block 44 to prevent product deformation. The tapping bracket 41 is also equipped with a clamping component 45 for clamping and fixing the product. The frame 1 is equipped with a tapping machine 46. The clamping component 45 includes a clamping component. Cylinder 451, clamping plate 452, positioning pin 453, in-position sensor 454 and oil receiving groove 455. The clamping plates 452 are installed on the two clamping arms of the clamping cylinder 451. The clamping plates 452 are installed with positioning pins 453 corresponding to the mounting holes on the product. The outer clamping plate 452 is installed with an in-position sensor 454 for detecting the presence or absence of the product. The inner clamping plate 452 is provided with a built-in cooling corridor, and the cooling corridor is externally connected to the circulating cooling oil. The tool of the tapping machine 46 passes through the inner clamping plate 452, and the bottom of the inner clamping plate 452 is docked with the oil groove 47.

[0028] The riveting and tapping detection device 5 includes a detection bracket 51, a contour clamping assembly 52, a detection cylinder 53, a detection pressure plate 54, a sensor sheet 55, a contact sensor 56 and a single-sided tapping detection assembly 57. The detection bracket 51 is equipped with a contour clamping assembly 52 for clamping the product, the detection bracket 51 is equipped with a detection cylinder 53, the detection pressure plate 54 is elastically connected to the piston rod flange plate of the detection cylinder 53, the detection pressure plate 54 is equipped with a sensor sheet 55, and the piston rod flange plate of the detection cylinder 53 is equipped with a contact sensor 56. When detecting riveting, the detection cylinder 53 drives the detection pressure plate 54 to move downward, and the detection pressure plate 54 stops when it contacts the riveting point on the product, and the lower plate height recognition Whether the riveting is qualified or not is determined by detecting the value of the sensing piece 55 through the contact sensor 56. If the riveting is in place, the detection pressure plate 54 moves down too much, and the contact sensor 56 will not detect the sensing piece 55. If the riveting is not in place, the detection pressure plate 54 is lifted by the riveting point, and the contact sensor 56 can detect the sensing piece 55. The single-sided tapping detection component 57 includes a tapping bracket 571, a refill cylinder 572, a guide frame 573 and a go / no-go gauge 574. The tapping bracket 571 is equipped with a refill cylinder 572, and the refill cylinder 572 drives the go / no-go gauge 574 to move horizontally toward the tapping hole on the product. The tapping bracket 571 is equipped with a guide frame 573, and the go / no-go gauge 574 passes through the guide frame 573.

[0029] The screw thread detection device 6 includes a second single-sided tapping detection component 57 structure for detecting the screw thread hole on the other side of the product.

[0030] When the automatic riveting and tapping machine for a safety belt bracket of the present invention is working, the product in the material preparation bin 8 is manually placed on the tooling of the tooling assembly line 2, and the tooling assembly line 2 drives the tooling to flow to the next station in sequence. When the tooling with the product moves to the riveting device 3, the product is riveted, and the tooling positioning cylinder 32 drives the positioning block 33 to extend and clamp the tooling on the tooling assembly line 2. The tooling is first positioned for a second time, and the contour cylinders 34 on both sides extend to position and support the product. The horizontal cylinder 38 drives the first inner limit block 39 to extend into the interior of the product, and the lifting cylinder 310 drives the second inner limit block 311 to extend into the interior of the product. The inner limit block prevents the side deformation of the product during the riveting process. The booster cylinder 36 presses down the product to perform the product riveting action. The tooling with the product moves to the tapping device 4, first the tooling is positioned for a second time, and the upper downward pressing cylinder 43 presses down and fixes it, the clamping assembly 45 clamps the product, and the tapping machine 46 performs the product tapping action. There is a cooling corridor, which is externally connected to a circulating cooling oil to cool the tool of the tapping machine 46 to prevent the tool from breaking. The tooling with the product is moved to the riveting and tapping detection device 5, where the tooling is first positioned for a second time. The contour clamping assembly 52 clamps and positions the product. The detection cylinder 53 drives the detection pressure plate 54 to move downward, and the lower plate height identifies whether the riveting is performed or not. The contact sensor 56 detects the value of the sensing piece 55 to determine whether the riveting is qualified. If the riveting is in place, the detection pressure plate 54 moves downward too much, and the contact sensor 56 will not detect the sensing piece 55. If the riveting is not in place, the detection pressure plate 54 is lifted by the riveting point, and the contact sensor 56 can detect the sensing piece 55. The single-sided tapping detection assembly 57 detects the tapping on one side of the product. The tooling with the product is moved to the screw thread detection device 6, which detects the tapping on the other side of the product. The tooling with the product is moved to the sorting and unloading group 7, which takes the product to the finished product silo 9.

[0031] The sorting and unloading group 7 uses an electromagnet to absorb products and transfer and unload them.

[0032] The invention discloses an automatic riveting and tapping machine for a safety belt bracket, which has a reasonable layout and can integrate loading, riveting, tapping, riveting detection, tapping hole detection and unloading, thereby saving space, ensuring production rhythm and processing quality.

[0033] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention's description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An automatic riveting and tapping machine for seat belt brackets, characterized by: It includes a frame, a tooling assembly line installed on the frame for positioning and conveying products to be processed, a riveting device, a tapping device, a riveting and tapping detection device, a screw thread detection device and a sorting and unloading group arranged in sequence along the conveying direction of the tooling assembly line. A preparation bin is provided at the front end of the tooling assembly line, and a finished product bin is provided at the end of the tooling assembly line. The riveting device includes a riveting bracket, a tool positioning cylinder, a positioning block, a profiling cylinder, a profiling block, a booster cylinder, a lifting plate, a horizontal cylinder, a first inner limit block, a lifting cylinder, a second inner limit block and a riveting block. The tool positioning cylinder is symmetrically installed at the front and rear positions of the lower part of the riveting bracket. The tool positioning cylinder drives the positioning block to extend and clamp the tool on the tool assembly line. The riveting bracket is symmetrically installed at the front and rear positions of the profiling cylinder. The profiling cylinder drives the profiling block to extend and clamp the outer wall of the product. A booster cylinder is installed on the top plate of the riveting bracket. The booster cylinder drives the lifting plate to move downward. The horizontal cylinder is installed on the lifting plate. The horizontal cylinder drives the first inner limit block to extend into the interior of the product. A lifting cylinder is also installed on the top plate of the riveting bracket. The lifting cylinder drives the second inner limit block to extend into the interior of the product. The lifting plate is installed with a riveting block opposite to the riveting point on the product.

2. The seat belt bracket riveting and tapping automatic machine according to claim 1, characterized in that: The tapping device includes a tapping bracket, a positioning assembly, a downward pressure cylinder, a positioning block, a clamping assembly, a tapping machine and an oil tank. The positioning assembly for positioning the tooling is symmetrically installed at the front and rear positions of the lower part of the tapping bracket. The downward pressure cylinder is installed on the top plate of the tapping bracket. The piston rod of the downward pressure cylinder is installed with a positioning block to prevent product deformation. The tapping bracket is also installed with a clamping assembly for clamping and fixing the product. The tapping machine is installed on the frame. The clamping assembly includes a clamping cylinder, a clamping plate, a positioning pin, an in-position sensor and an oil receiving tank. Clamping plates are installed on the two clamping arms of the clamping cylinder. Positioning pins corresponding to the mounting holes on the product are installed on the clamping plates. An in-position sensor for detecting the presence or absence of a product is installed on the outer clamping plate. A cooling channel is built into the inner clamping plate. The cooling channel is externally connected to circulating cooling oil. The tool of the tapping machine passes through the inner clamping plate, and the bottom of the inner clamping plate is docked with the oil tank.

3. The automatic riveting and tapping machine for seat belt brackets according to claim 1, characterized in that: The riveting and tapping detection device includes a detection bracket, a contour clamping assembly, a detection cylinder, a detection pressure plate, a sensing piece, a contact sensor and a single-sided tapping detection assembly. The detection bracket is equipped with a contour clamping assembly for clamping the product, the detection bracket is equipped with a detection cylinder, the detection pressure plate is elastically connected to the piston rod flange plate of the detection cylinder, the detection pressure plate is equipped with a sensing piece, and the piston rod flange plate of the detection cylinder is equipped with a contact sensor. When detecting riveting, the detection cylinder drives the detection pressure plate to move downward, and the detection pressure plate stops when it contacts the riveting point on the product; the single-sided tapping detection assembly includes a tapping bracket, a refill cylinder, a guide frame and a go / no-go gauge. The tapping bracket is equipped with a refill cylinder, the refill cylinder drives the go / no-go gauge to move horizontally toward the tapping hole on the product, the tapping bracket is equipped with a guide frame, and the go / no-go gauge passes through the guide frame.

4. The automatic riveting and tapping machine for a seat belt bracket according to claim 3, characterized in that: The screw thread detection device includes a second single-sided tapping detection component structure for detecting the screw thread hole on the other side of the product.

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