Automatic bending device for automobile door lock assembly

Abstract

The present invention relates to the technical field of automobile door lock assembly manufacturing, specifically to an automatic bending device for automobile door lock assembly, including a support base, wherein the upper end surface of the support base is fixedly installed with a plurality of rod-carrying seats and a left-right symmetrical bearing seat in a linear array manner through a support column, and an alignment mechanism for synchronous alignment of the rods to be bent is arranged on the support base. By using the alignment mechanism, bending mechanism and discharging mechanism in coordination with each other, and adopting an integrated model of alignment, bending and discharging, accurate automatic alignment, synchronous clamping and consistent bending of multiple automobile door lock connecting rods are realized, as well as automatic synchronous transportation and discharge after processing. Multiple rods can be processed at the same time to meet the needs of mass production and greatly improve production efficiency, and the automated operation can ensure the high consistency of the bending position and angle of each rod.

Description

Technical Field

[0001] The invention relates to the technical field of automobile door lock assembly manufacturing, in particular to an automatic bending device for an automobile door lock assembly. Background Art

[0002] As one of the most common components in the car door lock system, the car door lock connecting rod is an important component that connects the door lock controller and the internal door lock mechanism. It is mainly used to convey the instructions of opening and closing the door lock and control the locking and unlocking operations of the car door. The car door lock connecting rod is usually formed by bending. It consists of a horizontal section and vertical sections at both ends of the horizontal section, and the two vertical sections are symmetrically distributed around the center. The final quality of the bending will directly affect the correct function and movement of the car door lock connecting rod in the door lock system.

[0003] At present, there are the following shortcomings in the bending process of automobile door lock connecting rods: 1. In the process of bending the rod to be bent into an automobile door lock connecting rod, workers are required to place the corresponding rod on the bending machine and fix it, and then use the bending machine to bend one end of the rod first, then take out the rod and bend the other end, and only after the bending process is completed can the next automobile door lock connecting rod be processed. In the above process, workers are required to complete the bending process of automobile door lock connecting rods one by one, which will lead to low production rate and difficulty in meeting the needs of mass production. In addition, manual operation is prone to errors, resulting in unstable quality of products in the same batch; 2. During the bending process, the two ends of the rod are bent in steps, and manual operation cannot ensure that the angle and shape of each bend are completely consistent, which will affect the quality of the connecting rod and the performance of the door lock system. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides an automatic bending device for an automobile door lock assembly, which is achieved by the following specific technical means:

[0005] An automatic bending device for an automobile door lock assembly comprises a support base, on the upper end surface of which a plurality of rod carrier seats and a left-right symmetrical bearing seat are fixedly installed in a linear array manner through support columns, and an alignment mechanism for synchronously aligning a rod to be bent is arranged on the support base; the alignment mechanism comprises a driving part arranged on the support base and an alignment part cooperating with the driving part.

[0006] The rod carrier seat and the bearing seat are jointly provided with a bending mechanism for synchronously bending the rods of multiple automobile door lock connecting rods; the bending mechanism includes a clamping part arranged on the rod carrier seat for clamping and fixing the rods, the rod carrier seat is also provided with a power part for providing power to the clamping part, the clamping part is provided with an execution part for limiting the bending direction of the rod, and the bearing seat is provided with a matching part for cooperating with the execution part to synchronously bend the two ends of multiple rods.

[0007] The rod carrier seat is provided with a discharging mechanism for automatically discharging the bent automobile door lock connecting rod; the discharging mechanism includes a transport portion arranged on the rod carrier seat, a guide portion provided on the rod carrier seat for providing guidance for the discharge of the automobile door lock connecting rod, and a synchronization portion provided on the support base for providing power for the transport portion.

[0008] As a preferred technical solution of the present invention, the driving part includes a limiting slide, a first bidirectional screw, a first motor and an alignment slider. The rod carrier seat is provided with a rod carrier groove for loading the rods to be bent, and a plurality of rod carrier seats are located between left-right symmetrical bearing seats. The upper end surface of the support base is provided with left-right symmetrical limiting slides, and the left-right symmetrical bearing seats are located between the left-right symmetrical limiting slides. A front-to-back symmetrical alignment slider is slidably installed in the limiting slide, and a limiting guide rail is fixedly installed on the alignment slider. A first bidirectional screw threadedly connected to the front-to-back symmetrical alignment slider on this side is installed in one of the limiting slides through a bearing, and a first motor fixedly connected to the output end of the first bidirectional screw is fixedly installed on the support base.

[0009] As a preferred technical solution of the present invention, the alignment part includes a limit plate, a guide slide and an alignment plate. A limit plate corresponding to the alignment slider is fixedly installed on the upper end surface of the support base. A guide slide is penetrated through the limit plate. The guide slide is composed of a smooth track located on the upper side, an inclined slide in the middle and a smooth track on the lower side connected in sequence. The smooth track on the upper side of the guide slide is in the same horizontal plane as the rod carrying groove. Alignment plates are slidably installed between the limit slides located on the front side and symmetrically on the left and right and between the limit slides located on the rear side and symmetrically on the left and right. The alignment plate is slidably connected to the corresponding guide slides.

[0010] As a preferred technical solution of the present invention, the clamping part includes a first slide rail, a clamping slider, a first bending block and a second bending block. The rod carrier seat is fixedly provided with a first slide rail which is symmetrical in front and behind, and a clamping slider which is symmetrical in left and right is slidably installed in the first slide rail. A clamping groove corresponding to the rod carrier groove is commonly provided between the left and right symmetrical clamping sliders. The front end surfaces of the clamping sliders located on the front side and symmetrical in left and right are fixedly provided with the first bending block located above the clamping groove, and the rear end surfaces of the clamping sliders located on the rear side and symmetrical in left and right are fixedly provided with the second bending block located below the clamping groove, and the first bending block corresponds to the second bending block.

[0011] As a preferred technical solution of the present invention, the power unit includes an inverted support frame, a second bidirectional screw, a second motor, a transmission rod and a connecting plate. The inverted support frame is fixedly installed on the lower end surface of the rod carrier seat, and the second bidirectional screw is installed in the groove of the inverted support frame through a bearing. The second motor is fixedly installed on the inverted support frame located on the far right, and the output end fixed sleeve of the second motor is provided with a transmission rod that penetrates several second bidirectional screws and is fixedly connected to several second bidirectional screws. The second bidirectional screw is threadedly connected with left-right symmetrical connecting plates, the connecting plate on the left side is fixedly connected to the clamping slider located on the left side and is symmetrical front and back, and the connecting plate on the right side is fixedly connected to the clamping slider located on the right side and is symmetrical front and back.

[0012] As a preferred technical solution of the present invention, the execution part includes a second slide rail, a fixed cylinder, a bent semi-arc block and a force rod. The ends of the first slide rails that are symmetrical in front and behind and away from each other are fixedly installed with second slide rails that are symmetrical in left and right. The fixed cylinder is slidably installed between the second slide rails that are symmetrical in left and right. The center of the fixed cylinder is hinged with a bent semi-arc block through a torsion spring. A limited semi-arc groove is provided on the side of the bent semi-arc block close to the corresponding first slide rail. A force rod is fixedly installed between several fixed cylinders located on the front side and several fixed cylinders located on the rear side.

[0013] As a preferred technical solution of the present invention, the mating part includes a bracket, a central rotating shaft, a mating rod, a cylinder and a slide groove. The bracket is fixedly installed on the bearing seat located on the left side, and the cylinder is hinged on the bracket. The central rotating shaft is installed on the side of the bearing seats close to each other through bearings, and a mating rod hinged to the telescopic end of the cylinder is hinged on the central rotating shaft. The mating rod is provided with a slide groove that is slidably connected to the corresponding force-bearing rod.

[0014] As a preferred technical solution of the present invention, the transport part includes a transport groove, a transport shaft and a rubber roller. The rod carrier seat is provided with a transport groove, and a left-right symmetrical transport shaft is installed on the transport groove through a bearing. The transport shaft is fixedly sleeved with a rubber roller located in the transport groove.

[0015] As a preferred technical solution of the present invention, the guide part includes an inverted guide frame, a guide rod, a support block, a rotating sleeve and a straightening rod. The upper end surface of the rod carrier seat is fixedly installed with a left-right symmetrical inverted guide frame, the front end of the inverted guide frame is fixedly installed with a guide rod, the clamping slider located on the front side is fixedly installed with a support block, the sides of the left-right symmetrical support blocks close to each other are hinged with a rotating sleeve through a torsion spring rod, the straightening rod is fixedly installed on the rotating sleeve, and the left-right symmetrical guide rods and the left-right symmetrical straightening rods are both in an eight-shaped shape.

[0016] As a preferred technical solution of the present invention, the synchronous part includes a pulley, a third motor and a belt. The lower end of the transport shaft on each transport groove is fixedly sleeved with a pulley, the third motor is fixedly installed on the upper end surface of the support base, and the output end of the third motor is also fixedly sleeved with a pulley, and the pulleys are connected by a belt transmission.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The automatic bending device of the automobile door lock assembly, through the coordinated use of the positioning mechanism, bending mechanism and discharging mechanism, adopts an integrated model of positioning, bending and discharging, and realizes the precise automatic positioning, synchronous clamping and fixing, and consistent bending of multiple automobile door lock connecting rods, as well as automatic synchronous transportation and discharge after processing. It can process multiple rods at the same time to meet the needs of mass production and greatly improve production efficiency. Moreover, the automated operation can ensure the high consistency of the bending position and angle of each rod, improve the accuracy and quality of the product, greatly reduce the manual operation time, avoid human errors, reduce the safety risks of workers, and significantly improve the production efficiency and product consistency, shortening the production cycle.

[0019] 2. The automatic bending device of the automobile door lock assembly, through the coordinated use of the positioning mechanism and the bending mechanism, automatically aligns the rods of multiple automobile door lock connecting rods before bending, ensuring that the bending position of each rod is consistent, thereby ensuring the bending accuracy and product quality, reducing the time of manual operation, avoiding quality problems caused by human errors, and reducing the direct contact between workers and the device, reducing the safety risks of workers during operation.

[0020] 3. The automatic bending device of the automobile door lock assembly can automatically and synchronously clamp and fix multiple rods through the provided bending mechanism to ensure the position stability of each rod during the bending process, and can synchronously bend the two ends of the rod with the same force, while vertically limiting the bending direction of the rod to ensure the consistency of the bending angle and shape at both ends of the rod, thereby improving the accuracy and quality of the automobile door lock connecting rod, and the automated synchronous clamping and bending ensure that the bending position and angle of each rod are highly consistent, thereby improving the consistency and reliability of the product.

[0021] 4. The automatic bending device for automobile door lock components can automatically transport and discharge multiple automobile door lock connecting rods after the bending process of the automobile door lock connecting rod is completed through the coordinated use of the discharging mechanism and the positioning mechanism, thereby reducing the time of manual handling, speeding up the transfer speed of products from the completion of processing to the next process, shortening the entire production cycle, and significantly improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention when it is working.

[0023] Figure 2 It is a schematic diagram of the three-dimensional structure of the alignment mechanism of the present invention.

[0024] Figure 3 It is a schematic diagram of a partial three-dimensional structure viewed from above of the present invention.

[0025] Figure 4 for Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0026] Figure 5 It is a partial three-dimensional structural schematic diagram of the bending mechanism and the discharging mechanism of the present invention.

[0027] Figure 6 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0028] Figure 7 It is a partial three-dimensional structural schematic diagram of the guide part of the present invention.

[0029] Figure 8 It is a structural schematic diagram of the execution unit of the present invention.

[0030] Fig. 9 It is a schematic diagram of the three-dimensional structure of the automobile door lock connecting rod.

[0031] In the figure: 1, support base; 2, rod carrier seat; 3, bearing seat; 4, alignment mechanism; 41, driving part; 411, limit slide; 412, first bidirectional screw; 413, first motor; 414, alignment slider; 42, alignment part; 421, limit plate; 422, guide slide; 423, alignment plate; 5, bending mechanism; 51, clamping part; 511, first slide rail; 512, clamping slider; 513, first bending block; 514, second bending block; 52, power part; 521, inverted support frame; 522, second bidirectional screw; 523, second motor; 524, transmission rod; 525, Connecting plate; 53, executive part; 531, second slide rail; 532, fixed cylinder; 533, bending semi-arc block; 534, force-bearing rod; 54, matching part; 541, bracket; 542, central rotating shaft; 543, matching rod; 544, cylinder; 545, slide; 6, discharge mechanism; 61, transport part; 611, transport groove; 612, transport shaft; 613, rubber roller; 62, guide part; 621, inverted guide frame; 622, guide rod; 623, support block; 624, rotating sleeve; 625, straightening rod; 63, synchronous part; 631, pulley; 632, third motor; 633, belt. DETAILED DESCRIPTION

[0032] 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 technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1 An automatic bending device for a car door lock assembly includes a support base 1, on the upper end surface of the support base 1, a plurality of rod carrier seats 2 and a left-right symmetrical bearing seat 3 are fixedly installed in a linear array manner through support columns, and an alignment mechanism 4 for synchronously aligning a rod to be bent is arranged on the support base 1; the alignment mechanism 4 includes a driving part 41 arranged on the support base 1 and an alignment part 42 cooperating with the driving part 41.

[0034] See also Figure 1 The rod carrier seat 2 and the bearing seat 3 are jointly provided with a bending mechanism 5 for synchronously bending the rods of multiple automobile door lock connecting rods; the bending mechanism 5 includes a clamping portion 51 arranged on the rod carrier seat 2 for clamping and fixing the rods, and the rod carrier seat 2 is also provided with a power portion 52 for providing power to the clamping portion 51, and the clamping portion 51 is provided with an execution portion 53 for limiting the bending direction of the rod, and the bearing seat 3 is provided with a matching portion 54 for cooperating with the execution portion 53 to synchronously bend the two ends of multiple rods.

[0035] See also Figure 1 and Figure 2 A discharging mechanism 6 for automatically discharging the bent automobile door lock connecting rod is provided on the rod carrier seat 2; the discharging mechanism 6 includes a transport portion 61 provided on the rod carrier seat 2, a guide portion 62 for providing guidance for the discharge of the automobile door lock connecting rod is provided on the rod carrier seat 2, and a synchronization portion 63 for providing power for the transport portion 61 is provided on the support base 1.

[0036] See also Figure 1 and Figure 2The driving part 41 includes a limiting slide 411, a first bidirectional screw 412, a first motor 413 and an alignment slider 414. A rod carrying groove for loading the rod to be bent is provided on the rod carrying seat 2. Several rod carrying seats 2 are located between the left-right symmetrical bearing seats 3. The upper end surface of the support base 1 is provided with a left-right symmetrical limiting slide 411. The left-right symmetrical bearing seats 3 are located between the left-right symmetrical limiting slides 411. A front-to-back symmetrical alignment slider 414 is slidably installed in the limiting slide 411. The alignment slider 414 is fixedly installed with a limiting guide rail. A first bidirectional screw 412 threadedly connected to the front-to-back symmetrical alignment slider 414 on this side is installed in one of the limiting slides 411 through a bearing. A first motor 413 whose output end is fixedly connected to the first bidirectional screw 412 is fixedly installed on the support base 1.

[0037] See also Figure 1 and Figure 2 The alignment part 42 includes a limit plate 421, a guide slide 422 and an alignment plate 423. A limit plate 421 corresponding to the alignment slider 414 is fixedly installed on the upper end surface of the support base 1. A guide slide 422 is penetrated through the limit plate 421. The guide slide 422 is composed of a smooth track located on the upper side, an inclined slide in the middle and a smooth track on the lower side connected in sequence. The smooth track on the upper side of the guide slide 422 is in the same horizontal plane as the rod carrying groove. Alignment plates 423 are slidably installed between the limit slides 411 located on the front side and symmetrically on the left and right and between the limit slides 411 located on the rear side and symmetrically on the left and right. The alignment plate 423 is slidably connected to the corresponding guide slide 422.

[0038] During the specific work, when it is necessary to bend multiple rods to be bent, the worker first places the rods to be bent in the rod carrying grooves of the rod carrying seat 2, so that the rod carrying grooves can preliminarily locate the positions of the rods. After the rods are loaded, the first motor 413 is started to rotate the first bidirectional screw 412, so that it can move synchronously to the rod carrying seat 2 through the alignment plate 423 with the left-right symmetrical alignment sliders 414 on the front and rear sides. During the movement, the alignment plate 423 will move according to the slide of the guide slide 422. When the alignment plate 423 reaches the smooth track on the upper side of the guide slide 422, the alignment plates 423 close to each other on the front and rear sides will automatically align multiple rods at the same time, so as to calibrate the positions of the rods on the rod carrying seat 2, thereby ensuring that the bending positions of each rod are consistent.

[0039] After the alignment is completed, the first motor 413 is started in reverse so that the alignment plates 423 on the front and rear sides return to the smooth path on the lower side of the guide slide 422, so as to prevent the alignment plates 423 from blocking the car door lock connecting rods when the discharge mechanism 6 transports multiple car door lock connecting rods backward.

[0040] See also Figure 1 , Figure 2 , Figure 5, Figure 6 , Figure 7 and Figure 8 The clamping portion 51 includes a first slide rail 511, a clamping slider 512, a first bending block 513 and a second bending block 514. The rod carrier seat 2 is fixedly provided with a front-to-back symmetrical first slide rail 511, and a left-right symmetrical clamping slider 512 is slidably installed in the first slide rail 511. A clamping groove corresponding to the rod carrier groove is commonly provided between the left-right symmetrical clamping sliders 512. The front end surfaces of the clamping sliders 512 located on the front side and left-right symmetrical are fixedly provided with a first bending block 513 located above the clamping groove, and the rear end surfaces of the clamping sliders 512 located on the rear side and left-right symmetrical are fixedly provided with a second bending block 514 located below the clamping groove, and the first bending block 513 corresponds to the second bending block 514.

[0041] See also Figure 1 , Figure 3 , Figure 4 and Figure 5 The power unit 52 includes an inverted support frame 521, a second bidirectional screw 522, a second motor 523, a transmission rod 524 and a connecting plate 525. The inverted support frame 521 is fixedly installed on the lower end surface of the rod carrier 2. The second bidirectional screw 522 is installed in the groove of the inverted support frame 521 through a bearing. The second motor 523 is fixedly installed on the inverted support frame 521 located on the far right. The output end of the second motor 523 is fixedly sleeved with a transmission rod 524 that penetrates a plurality of second bidirectional screws 522 and is fixedly connected to the plurality of second bidirectional screws 522. The second bidirectional screw 522 is threadedly connected with a left-right symmetrical connecting plate 525. The connecting plate 525 on the left side is fixedly connected to the clamping slider 512 located on the left side and is symmetrical front and back. The connecting plate 525 on the right side is fixedly connected to the clamping slider 512 located on the right side and is symmetrical front and back.

[0042] During specific operation, after the alignment of the rod members by the alignment mechanism 4 is completed, the second motor 523 is started to synchronously rotate the second bidirectional screw 522 under the rod carrier 2 through the transmission rod 524, and the second bidirectional screw 522 will bring the left and right symmetrical connecting plates 525 closer to each other, thereby bringing the two clamping sliders 512 corresponding to the first slide rail 511 closer to each other through the connecting plates 525, until the left and right symmetrical clamping sliders 512 fix the rod members in the clamping groove, thereby synchronously clamping and fixing the front and rear ends of multiple rod members to be bent, thereby ensuring the position stability of each rod member during the bending process.

[0043] See also Figure 1 , Figure 3 , Figure 5 and Figure 8The execution part 53 includes a second slide rail 531, a fixed cylinder 532, a bent semi-arc block 533 and a force rod 534. The ends of the front and rear symmetrical first slide rails 511 that are away from each other are fixedly installed with left and right symmetrical second slide rails 531, and the fixed cylinder 532 is slidably installed between the left and right symmetrical second slide rails 531. The center of the fixed cylinder 532 is hinged with a bent semi-arc block 533 through a torsion spring. A limited semi-arc groove is provided on the side of the bent semi-arc block 533 close to the corresponding first slide rail 511, and a force rod 534 is fixedly installed between the fixed cylinders 532 on the front side and the fixed cylinders 532 on the rear side.

[0044] See also Figure 1 , Figure 2 , Figure 3 and Figure 6 The matching part 54 includes a bracket 541, a central rotating shaft 542, a matching rod 543, a cylinder 544 and a slide groove 545. The bracket 541 is fixedly installed on the bearing seat 3 on the left side, and the cylinder 544 is hinged on the bracket 541. The central rotating shaft 542 is installed on the side of the bearing seat 3 close to each other through a bearing. The matching rod 543 is hinged on the central rotating shaft 542 and is hinged to the telescopic end of the cylinder 544. The matching rod 543 is penetrated by a slide groove 545 that is slidably connected to the corresponding force-bearing rod 534.

[0045] See also Figure 1 , Figure 5 and Figure 7 The guide portion 62 includes an inverted guide frame 621, a guide rod 622, a support block 623, a rotating sleeve 624 and a straightening rod 625. The upper end surface of the rod carrier 2 is fixedly installed with a left-right symmetrical inverted guide frame 621, a guide rod 622 is fixedly installed at the front end of the inverted guide frame 621, a support block 623 is fixedly installed on the clamping slider 512 located on the front side, and the left-right symmetrical support blocks 623 are hinged with a rotating sleeve 624 on one side close to each other through a torsion spring rod, and a straightening rod 625 is fixedly installed on the rotating sleeve 624. The left-right symmetrical guide rod 622 and the left-right symmetrical straightening rod 625 are both in an eight-shaped shape.

[0046] During specific operation, after the clamping part 51 cooperates with the power part 52 to complete the clamping and fixing of the rod, the cylinder 544 is in an unactivated state, and the cooperating rod 543 is in a tilted state. The front fixing cylinder 532 is located at the lower end of the second slide rail 531, and the rear fixing cylinder 532 is located at the upper end of the second slide rail 531. The two parts of the rod to be bent are just below and above the corresponding limiting semi-arc grooves, respectively.

[0047] At this time, the cylinder 544 is started to extend its telescopic end and bring the rear side of the matching rod 543 down, and the matching rod 543 rotates around the central shaft 542. At this time, the matching rod 543 brings the rear force-bearing rod 534 down through the lever action, so that the rear fixed cylinder 532 moves downward, and the fixed cylinder 532 will bring the bending semi-arc block 533 to squeeze the rear end of the rod downward, so that the rear end of the rod is bent with the second bending block 514 as the bending support point. The rear end of the rod is first fitted and then squeezed downward, thereby vertically limiting the bending direction of the rod. At the same time, the front side of the matching rod 543 will bring the front force-bearing rod 534 up, and the front fixed tube 532 will bring the bending semi-arc block 533 to squeeze the front end of the rod upward, thereby bending the front end of the rod with the first bending support block 513 as the bending support point, thereby simultaneously bending the two ends of the rod with the same force, thereby ensuring the consistency of the bending angle and shape of the two ends of the rod.

[0048] When the front side bending semi-arc block 533 moves upward and squeezes the front end of the rod, it will first contact the front end of the straightening rod 625, thereby pushing the straightening rod 625 upward to make it rotate upward with the torsion spring rod as the center point, and when the bending semi-arc block 533 no longer contacts the straightening rod 625, the straightening rod 625 will be reset under the action of the torsion spring rod, so that the left and right symmetrical straightening rods 625 straighten the front end of the rod after turning.

[0049] See also Figure 1 and Figure 5 The transport part 61 includes a transport groove 611, a transport shaft 612 and a rubber roller 613. The rod carrier seat 2 is provided with a transport groove 611, and a left-right symmetrical transport shaft 612 is installed on the transport groove 611 through a bearing. The transport shaft 612 is fixedly sleeved with a rubber roller 613 located in the transport groove 611.

[0050] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The synchronous part 63 includes a pulley 631, a third motor 632 and a belt 633. The lower end of one of the transport shafts 612 on each transport groove 611 is fixedly sleeved with a pulley 631. The third motor 632 is fixedly installed on the upper end surface of the support base 1. The output end of the third motor 632 is also fixedly sleeved with a pulley 631. The pulleys 631 are connected through a belt 633.

[0051] During specific operation, after the execution part 53 cooperates with the matching part 54 to complete the bending of the rod, the cylinder 544 is started to make it continue to rotate with the matching rod 543. At this time, the bent semi-arc block 533 on the front side will continue to rise and thus break away from the restriction on the car door lock connecting rod, and the bent semi-arc block 533 on the rear side moves down and breaks away from the car door lock connecting rod until the front fixing cylinder 532 is located at the uppermost end of the second slide rail 531, and the rear fixing cylinder 532 is located at the lowermost end of the second slide rail 531. At this time, the cylinder 544 can be stopped, and the second motor 523 can be started in reverse to cooperate with the clamping part 51 and the power part 52 to make the left and right symmetrical clamping sliders 512 move away from each other, and when the distance between the two clamping sliders 512 reaches a distance that can pass through the front end of the car door lock connecting rod, the second motor 523 is stopped.

[0052] At this time, the third motor 632 can be started to rotate one of the transport shafts 612 on the rod carrier seat 2 through the cooperation of the pulley 631 and the belt 633, so that it can transport the car door lock connecting rod backward with the rubber roller 613. In this process, the left-right symmetrical straightening rods 625 will first guide the upward vertical part of the front end of the car door lock connecting rod so that the vertical part can enter between the two clamping sliders 512, and continue to move the car door lock connecting rod. At this time, the left-right symmetrical guide rods 622 will guide the vertical part to the left and right Between the symmetrical inverted guide frames 621, the inverted guide frames 621 implement continuous limiting guidance for the automobile door lock link, continue to move the automobile door lock link so that its rear end passes over the rear alignment plate 423, and when the rubber roller 613 is separated from the automobile door lock link, the rear end of the automobile door lock link will slide down from the rear side with its front end due to the effect of gravity, thereby completing the synchronous transportation and discharge of multiple automobile door lock links, thereby reducing the time of manual handling, and then the above operation can be repeated to perform the bending operation of the next group of automobile door lock links.

[0053] See also Figure 1-9 Working principle: When it is necessary to bend multiple rods to be bent, the worker first places the rods of the car door lock connecting rod in the rod loading grooves of the rod loading seat 2 respectively. After the rods are loaded, the first motor 413 is started to automatically align the multiple rods through the alignment mechanism 4, and then the first motor 413 is started in reverse to reset the alignment plates 423 on the front and rear sides.

[0054] Then, the second motor 523 is started to synchronously clamp and fix the front and rear ends of the multiple rods to be bent through the clamping part 51 and the power part 52. Then, the cylinder 544 is started to synchronously bend the two ends of the rods with the same force through the execution part 53 and the matching part 54. After bending, the cylinder 544 is started again to make it continue to rotate with the matching rod 543 until the front fixed cylinder 532 is located at the uppermost end of the second slide rail 531, and the rear fixed cylinder 532 is located at the lowermost end of the second slide rail 531. At this time, the cylinder 544 can be stopped.

[0055] Then, the second motor 523 is started in reverse, and the clamping part 51 cooperates with the power part 52 to make the left and right symmetrical clamping sliders 512 move away from each other, and when the distance between the two clamping sliders 512 reaches a distance that can pass through the front end of the car door lock connecting rod, the second motor 523 is stopped.

[0056] Then start the third motor 632 to transport the car door lock connecting rod backward through the discharging mechanism 6, and guide it to the left and right symmetrical inverted guide frame 621 through the guide part 62, and continue to move the car door lock connecting rod so that its rear end passes over the rear alignment plate 423, and when the squeezing of the car door lock connecting rod by the rubber roller 613 disappears, the rear end of the car door lock connecting rod will slide down from the rear side with its front end due to the action of gravity, thereby completing the synchronous transportation and discharge of multiple car door lock connecting rods, and then the above operation can be repeated to perform the bending operation of the next group of car door lock connecting rods.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic bending device for a vehicle door lock assembly, comprising a support base (1), characterized in that: The upper end surface of the support base (1) is fixedly mounted with a plurality of rod carrier seats (2) in a linear array manner via support columns, and a left-right symmetrical bearing seat (3) is fixedly mounted, and the support base (1) is provided with an alignment mechanism (4) for synchronously aligning the rod to be bent; The alignment mechanism (4) comprises a driving part (41) arranged on the supporting base (1) and an alignment part (42) cooperating with the driving part (41); The rod carrier seat (2) and the bearing seat (3) are jointly provided with a bending mechanism (5) for synchronously bending the rods of a plurality of automobile door lock connecting rods; The bending mechanism (5) comprises a clamping portion (51) arranged on the rod carrier (2) for clamping and fixing the rod, the rod carrier (2) is also provided with a power portion (52) for providing power to the clamping portion (51), the clamping portion (51) is provided with an execution portion (53) for limiting the bending direction of the rod, and the bearing seat (3) is provided with a matching portion (54) for cooperating with the execution portion (53) to perform synchronous bending on both ends of a plurality of rods; A discharging mechanism (6) for automatically discharging the bent automobile door lock connecting rod is arranged on the rod carrier seat (2); The discharging mechanism (6) comprises a transporting part (61) arranged on the rod carrier seat (2), a guiding part (62) for providing guidance for the discharging of the automobile door lock connecting rod is arranged on the rod carrier seat (2), and a synchronizing part (63) for providing power for the transporting part (61) is arranged on the supporting base (1); The driving part (41) comprises a limiting slideway (411), a first bidirectional screw (412), a first motor (413) and an alignment slider (414); a rod carrier seat (2) is provided with a rod carrier groove for loading rods to be bent; a plurality of rod carrier seats (2) are located between left-right symmetrical bearing seats (3); a left-right symmetrical limiting slideway (411) is provided on the upper end surface of the support base (1); the left-right symmetrical bearing seats (3) are located between the left-right symmetrical limiting slideways (411); a front-to-back symmetrical alignment slider (414) is slidably installed in the limiting slideway (411); a limiting guide rail is fixedly installed on the alignment slider (414); a first bidirectional screw (412) threadedly connected to the front-to-back symmetrical alignment slider (414) on the side is installed in one of the limiting slideways (411) through a bearing; a first motor (413) whose output end is fixedly connected to the first bidirectional screw (412) is fixedly installed on the support base (1); The alignment part (42) comprises a limit plate (421), a guide slideway (422) and an alignment plate (423). The upper end surface of the support base (1) is fixedly mounted with a limit plate (421) corresponding to the alignment slider (414). The limit plate (421) is penetrated by a guide slideway (422). The guide slideway (422) is composed of a smooth track located on the upper side, an inclined track in the middle and a smooth track on the lower side connected in sequence. The smooth track on the upper side of the guide slideway (422) is in the same horizontal plane as the rod-carrying groove. An alignment plate (423) is slidably mounted between the limit slideways (411) located on the front side and symmetrically on the left and right and between the limit slideways (411) located on the rear side and symmetrically on the left and right. The alignment plate (423) is slidably connected to the corresponding guide slideway (422).

2. The automatic bending device for a vehicle door lock assembly according to claim 1, characterized in that: The clamping portion (51) comprises a first slide rail (511), a clamping slider (512), a first bending abutment (513) and a second bending abutment (514); the rod carrier seat (2) is fixedly mounted with a front-to-back symmetrical first slide rail (511); a left-to-right symmetrical clamping slider (512) is slidably mounted in the first slide rail (511); a clamping groove corresponding to the rod carrier groove is commonly arranged between the left-to-right symmetrical clamping sliders (512); the front end surfaces of the left-to-right symmetrical clamping sliders (512) located at the front side are fixedly mounted with a first bending abutment (513) located above the clamping groove; the rear end surfaces of the left-to-right symmetrical clamping sliders (512) located at the rear side are fixedly mounted with a second bending abutment (514) located below the clamping groove; the first bending abutment (513) corresponds to the second bending abutment (514).

3. The automatic bending device for a vehicle door lock assembly according to claim 2, characterized in that: The power unit (52) comprises an inverted support frame (521), a second bidirectional screw rod (522), a second motor (523), a transmission rod (524) and a connecting plate (525); the inverted support frame (521) is fixedly mounted on the lower end surface of the rod carrier seat (2); the second bidirectional screw rod (522) is mounted in a groove of the inverted support frame (521) via a bearing; the second motor (523) is fixedly mounted on the inverted support frame (521) located on the far right; the second motor (523) ) is provided with a transmission rod (524) at the output end fixing sleeve which penetrates through a plurality of second bidirectional screw rods (522) and is fixedly connected to the plurality of second bidirectional screw rods (522); a left-right symmetrical connecting plate (525) is threadedly connected to the second bidirectional screw rods (522); the connecting plate (525) on the left side is fixedly connected to a clamping slide block (512) on the left side and symmetrically disposed in the front and rear directions; and the connecting plate (525) on the right side is fixedly connected to a clamping slide block (512) on the right side and symmetrically disposed in the front and rear directions.

4. The automatic bending device for a vehicle door lock assembly according to claim 2, characterized in that: The execution part (53) comprises a second slide rail (531), a fixed cylinder (532), a bent semi-arc block (533) and a force-bearing rod (534); the ends of the first slide rails (511) that are symmetrical in front and back and away from each other are fixedly installed with left-right symmetrical second slide rails (531); the fixed cylinder (532) is slidably installed between the left-right symmetrical second slide rails (531); the bent semi-arc block (533) is hinged at the center of the fixed cylinder (532) through a torsion spring; a limited semi-arc groove is provided on one side of the bent semi-arc block (533) close to the corresponding first slide rail (511); and the force-bearing rod (534) is fixedly installed between the plurality of fixed cylinders (532) located on the front side and between the plurality of fixed cylinders (532) located on the rear side.

5. The automatic bending device for a vehicle door lock assembly according to claim 4, characterized in that: The matching part (54) includes a bracket (541), a central rotating shaft (542), a matching rod (543), a cylinder (544) and a slide groove (545). The bracket (541) is fixedly installed on the bearing seat (3) located on the left side, and the cylinder (544) is hinged on the bracket (541). The side of the bearing seat (3) close to each other is installed with a central rotating shaft (542) through a bearing. The central rotating shaft (542) is hinged with a matching rod (543) hinged to the telescopic end of the cylinder (544), and a slide groove (545) is opened through the matching rod (543) and is slidably connected to the corresponding force-bearing rod (534).

6. The automatic bending device for a vehicle door lock assembly according to claim 1, characterized in that: The transport part (61) comprises a transport groove (611), a transport shaft (612) and a rubber roller (613); the rod carrier seat (2) is provided with a transport groove (611); a left-right symmetrical transport shaft (612) is installed through a bearing on the transport groove (611); and a rubber roller (613) located in the transport groove (611) is fixedly sleeved on the transport shaft (612).

7. The automatic bending device for a vehicle door lock assembly according to claim 2, characterized in that: The guide part (62) comprises an inverted guide frame (621), a guide rod (622), a support block (623), a rotating sleeve (624) and a straightening rod (625); the upper end surface of the rod carrier seat (2) is fixedly mounted with a left-right symmetrical inverted guide frame (621); the front end of the inverted guide frame (621) is fixedly mounted with a guide rod (622); the support block (623) is fixedly mounted on the clamping slider (512) located at the front side; the sides of the left-right symmetrical support blocks (623) close to each other are hinged with a rotating sleeve (624) through a torsion spring rod; the straightening rod (625) is fixedly mounted on the rotating sleeve (624); the left-right symmetrical guide rod (622) and the left-right symmetrical straightening rod (625) are both in an eight-shaped shape.

8. The automatic bending device for a vehicle door lock assembly according to claim 6, characterized in that: The synchronous part (63) comprises a pulley (631), a third motor (632) and a belt (633); the lower end of the transport shaft (612) on each transport groove (611) is fixedly sleeved with a pulley (631); the upper end surface of the support base (1) is fixedly mounted with a third motor (632); the output end of the third motor (632) is also fixedly sleeved with a pulley (631); and the pulleys (631) are connected to each other through a belt (633).

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