Automatic hinge assembling machine

Abstract

The invention relates to an automatic hinge assembling machine, and relates to the technical field of hinge production, the automatic hinge assembling machine comprises a workbench, the workbench is provided with a plurality of clamping tools used for placing hinge parts and rotating in the radial direction of the workbench, and the clamping tools are provided with splicing grooves used for splicing the hinge parts; the clamping tool is provided with a plurality of driving sets extending into the workbench, each driving set comprises a driving rod, the driving sets rotate in the radial direction of the workbench so as to control the driving rods to move close to or away from the hinge parts, and the multiple driving rods are matched with one another to form a hinge piece working set, a connecting rod working set and a rotating shaft working set which are used for assembling the hinge parts. According to the hinge, equipment for splicing hinge parts can be reduced, the occupied area of the equipment is effectively reduced, and the space utilization rate is increased.

Description

Technical Field

[0001] The present application relates to the technical field of hinge production, and in particular to an automatic hinge assembly machine. Background Art

[0002] Some hinges for metal cabinets are generally composed of hinge leaves, a rotating shaft, and a metal connecting rod. During use, the metal connecting rod is generally combined with the hinge leaves and then the rotating shaft is inserted so that the metal connecting rod can rotate axially along the rotating shaft.

[0003] In the related art, during the automatic production process of hinges for metal cabinets, the metal connecting rod needs to be pushed into the hinge leaf. Therefore, usually a mechanical claw is used to put the parts into the corresponding tooling, and then the parts in the tooling are installed in place by a mechanical arm. Then the mechanical arm is used to push the parts to assemble into a hinge, and finally the mechanical claw is used to take out the hinge. Multiple mechanical arms are required to cooperate during the assembly process, which makes the equipment occupy a large area and leads to low space utilization. Summary of the invention

[0004] In order to improve space utilization, the present application provides an automatic hinge assembly machine.

[0005] The present application provides an automatic hinge assembly machine that adopts the following technical solution: An automatic hinge assembly machine includes a workbench, on which are arranged a plurality of clamping fixtures for placing hinge parts and rotating radially along the workbench, the clamping fixtures including a base, on which is arranged a partition plate, on one side of which is arranged a mounting platform, a gap is left between the partition plate and the mounting platform and is arranged as a splicing groove, the base is also provided with a leaf work group, a connecting rod work group, and a rotating shaft work group, each of which includes a plurality of driving groups, and the workbench is provided with a driving groove that cooperates with the driving group and controls the operation of the driving group; There are two groups of driving groups in the sheet work group, one of which is arranged on one side of the mounting platform, and the driving group on the side of the mounting platform is provided with a clamping plate, and the other driving group is arranged opposite to the partition, and the driving group on the opposite side of the partition is provided with a sheet push plate, and a positioning plate is arranged on one side of the clamping plate, and the clamping plate and the positioning plate are respectively arranged on both sides of the splicing groove, and the sheet push plate is arranged between the positioning plate and the clamping plate, and the positioning plate, the clamping plate, and the sheet push plate enclose a sheet installation cavity, and the sheet installation cavity is connected with the splicing groove, and the sheet is placed in the sheet installation cavity, and the clamping plate and the sheet push plate are respectively driven by the corresponding driving groups and push the sheet to slide close to the splicing groove; There are three driving groups in the connecting rod working group, two of which are arranged opposite to the partition, and the other is arranged opposite to the mounting platform. The three driving groups in the connecting rod working group are all provided with connecting rod push plates, and the limiting blocks are fixedly connected to the base. The three connecting rod push plates, the limiting blocks and the mounting platform are enclosed to form a connecting rod installation cavity, and the metal connecting rod is placed in the connecting rod installation cavity. The three connecting rod push plates are driven by the corresponding driving groups to move closer to or away from the connecting rod installation cavity, so as to push the metal connecting rod to slide toward the splicing groove; There is a driving group arranged opposite to the positioning plate in the rotating shaft working group. The driving group located on the opposite side of the positioning plate is provided with a transmission plate, which is slidably connected to the upper end surface of the partition. A fixing hole is opened on the transmission plate, and hinge parts are placed in the fixing hole. The partition is pushed by the corresponding driving group to slide close to or away from the splicing groove.

[0006] By adopting the above technical solution, corresponding pairs of hinge parts are placed in the leaf working group, connecting rod working group and rotating shaft working group, and the leaf working group, connecting rod working group and rotating shaft working group on the clamping tooling are driven by the driving group to work, so that the hinge parts are pushed together and spliced.

[0007] The above splicing process is completed by the linkage cooperation of the clamping fixture and the workbench, which can reduce the installation of equipment used to splice hinge parts, effectively reduce the equipment footprint and increase space utilization.

[0008] At the same time, the number of pauses of the workbench is reduced, which effectively increases the rotation speed of the workbench and thus increases the hinge splicing rate. Optionally, a plurality of limiting holes are provided on the positioning plate and the locking plate, and a plurality of limiting rods extending into the corresponding limiting holes are provided on both sides of the leaf push plate, and the limiting rods slide along the corresponding limiting holes.

[0009] By adopting the above technical solution, the moving distance of the leaf push plate is limited by the limit rod, so as to avoid excessive squeezing of the leaf push plate by the leaf push plate, thereby causing damage to the leaf.

[0010] Optionally, the shaft working group also has a driving group located on the mounting platform and arranged opposite to the partition. The driving group located on the mounting platform is provided with a mounting plate, and the mounting plate is driven by the corresponding driving group and slides toward or away from the splicing groove. The mounting plate is provided with a rotating ring located above the transmission plate, and a pressing rod is provided in the rotating ring. The rotating ring is threadedly connected to the rotating rod and the mounting plate. After the rotating ring rotates, the pressing rod is driven to extend or retract.

[0011] By adopting the above technical solution, the mounting plate is pushed above the splicing groove by the driving group, so that the pressing rod can accurately extend into the splicing groove.

[0012] Optionally, a rotating rod is provided through the mounting plate, a displacement groove is provided on the base along the sliding direction of the mounting plate, the rotating rod extends into the displacement groove, a power wheel is provided at one end of the rotating rod, the power wheel is chained with the rotating ring, a driving gear is provided at the other end of the rotating rod, a power groove is provided on the workbench, an arc-shaped rack is provided in the power groove, the rotating rod extends into the power groove and the driving gear is meshed with the arc-shaped rack, and the rotating rod slides along the power groove.

[0013] By adopting the above technical solution, the driving gear drives the rotating rod to rotate, so that the power wheel and the rotating ring rotate, thereby driving the pressing rod to perform the pressing work.

[0014] Optionally, the drive group also includes a drive seat arranged on the edge of the base, the drive seat is rotatably connected to a drive ring, the drive ring is provided with a drive rod axially penetrating the drive ring and the drive seat, and the drive rod is threadedly connected to the drive ring and the drive seat.

[0015] By adopting the above technical solution, through the threaded connection between the driving rod and the driving ring, the driving rod can be extended or retracted on the driving seat when the driving ring rotates.

[0016] Optionally, a transmission wheel correspondingly arranged below the driving ring is rotatably connected on the side wall of the base, the transmission wheel and the driving ring are linked and connected, a transmission rod is arranged on the transmission wheel, the transmission rod extends into the base, and the rotating disk passes through an output rod with one end extending into the base, and the output rod and the transmission wheel are provided with bevel gears meshing with each other at one end close to each other.

[0017] By adopting the above technical solution, the output rod drives the transmission wheel, and then the transmission wheel drives the drive ring to rotate, so that the drive ring rotates by rotating the output rod.

[0018] Optionally, an arc-shaped rack is provided on the inner wall of the driving groove, the other end of the output rod extends into the driving groove and is provided with a gear meshing with the arc-shaped rack, and the output rod slides along the driving groove.

[0019] By adopting the above technical solution, the output rod is matched with the arc-shaped rack in the driving groove so that the output rod can rotate.

[0020] Optionally, the base is provided with a lifting platform, and two lifting bearings are fixedly connected to the lower end surface of the lifting platform, the outer ring of the lifting bearing is fixedly connected to the lifting platform, the inner ring of the lifting bearing is fixedly connected to a lifting rod that passes through the base, and the lifting rod is threadedly connected to the base.

[0021] By adopting the above technical solution, the lifting platform is lifted by rotating the thread of the lifting rod.

[0022] Optionally, the workbench is provided with lifting slots corresponding to the number of lifting rods, an arc-shaped rack is fixedly connected to the upper side wall of the lifting slot, a gear rod is provided at the lower end of the lifting rod, the gear rod extends into the lifting slot and meshes with the arc-shaped rack.

[0023] By adopting the above technical solution, the gear rod and the arc-shaped rack cooperate to provide a rotational force for the lifting rod, so as to realize the rotation of the lifting rod.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. It can reduce the equipment used to splice hinge parts, effectively reducing the equipment footprint and increasing space utilization; 2. Reduce the number of pauses of the workbench, effectively increase the rotation speed of the workbench and thus increase the hinge splicing rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of this application; Figure 2 yes Figure 1 A partial enlarged schematic diagram of part A; Figure 3 yes Figure 1 A partial enlarged schematic diagram of part A; Figure 4 yes Figure 3 The partial cross-sectional diagram along the CC plane in the middle mainly shows the leaf push plate and the drive group; Figure 5 It is a schematic diagram of the cross-sectional structure of the present application, mainly showing the workbench and the drive slot; Figure 6 yes Figure 8 A partial enlarged schematic diagram of part F in the middle; Figure 7 yes Figure 1 A partial enlarged schematic diagram of part B; Figure 8 yes Figure 3 A partial cross-sectional diagram of the middle DD surface, mainly showing the mounting plate and displacement slot; Fig. 9 yes Figure 3 The partial cross-sectional diagram of the middle EE plane mainly shows the lifting platform.

[0026] Description of the drawings: 1. Workbench; 2. Driving slot; 3. Rotating disk; 4. Servo motor; 5. Clamping tool; 501. Base; 502. Partition; 503. Mounting table; 504. Boss; 505. Limit block; 506. Lifting table; 6. Driving group; 601. Driving seat; 602. Driving ring; 603. Driving rod; 604. Fixed disk; 605. Connecting disk; 606. Transmission wheel; 607. Transmission rod; 608. Output rod; 7. Leaf working group; 701. Positioning plate; 702. Positioning plate; 703. Leaf pushing plate; 8. Connecting plate Rod working group; 801, connecting rod push plate; 9, rotating shaft working group; 901, transmission plate; 902, mounting plate; 903, rotating ring; 904, pressing rod; 905, rotating rod; 906, power wheel; 10, gear rod; 11, arc-shaped rack; 12, splicing groove; 13, limiting hole; 14, limiting rod; 15, limiting groove; 16, fixing hole; 17, displacement groove; 18, power groove; 19, lifting bearing; 20, lifting rod; 21, lifting groove; 22, unloading push block; 23, first bevel gear; 24, second bevel gear; 25, driving gear. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1 -Attached Fig. 9 , further details of this application are given.

[0028] A hinge automatic assembly machine, referring to Figure 1 , including a workbench 1, a rotating groove is axially opened on the workbench 1, a rotating disk 3 is rotatably connected in the rotating groove, a servo motor 4 is arranged in the workbench 1, the output shaft of the servo motor 4 passes through the workbench 1 and is axially fixedly connected to the lower end surface of the rotating disk 3. A plurality of clamping fixtures 5 for placing hinge parts are fixedly connected to the rotating disk 3.

[0029] refer to Figure 2 , Figure 3 The clamping tool 5 is provided with a leaf working group 7, a connecting rod working group 8, and a rotating shaft working group 9, wherein the leaf working group 7, the connecting rod working group 8, and the rotating shaft working group 9 each include a plurality of drive groups 6.

[0030] refer to Figure 4 The clamping fixture 5 includes a base 501, and the driving group 6 includes a driving seat 601 fixedly connected to the edge of the upper end surface of the base 501. The driving seat 601 is rotatably connected to a driving ring 602 on a side away from the base 501. A driving rod 603 is axially penetrated in the driving ring 602, and the driving rod 603 also penetrates the driving seat 601. The driving rod 603 is provided with an external thread, and the inner wall of the through hole formed by the driving ring 602 and the driving seat 601 through which the driving rod 603 penetrates is provided with an internal thread, and the driving rod 603 is threadedly connected with the driving ring 602 and the driving seat 601.

[0031] One end of the driving rod 603 is fixedly connected to a connecting disk 605 , and the connecting disk 605 is axially rotatably connected to a fixing disk 604 , so that after the driving rod 603 rotates, the fixing disk 604 can be pushed to slide away from or close to the driving seat 601 .

[0032] The side wall of the base 501 is rotatably connected to a number of transmission wheels 606 of the same number as the drive ring 602, and each transmission wheel 606 is located below the corresponding drive ring 602. The transmission wheel 606 is connected to the drive ring 602 through a belt linkage, and the transmission wheel 606 is axially fixedly connected to a transmission rod 607 extending into the base 501, and one end of the transmission rod 607 extending into the base 501 is axially fixedly connected to the first bevel gear 23.

[0033] The rotating disk 3 passes through an output rod 608 with one end extending into the base 501, and the end of the output rod 608 extending into the base 501 is axially fixedly connected to the second bevel gear 24 meshing with the first bevel gear 23. The end of the output rod 608 facing away from the second bevel gear 24 extends into the workbench 1, and the other end of the output rod 608 is fixedly connected to the driving gear 25.

[0034] refer to Figure 4 , Figure 5 , Figure 6 The workbench 1 is provided with a plurality of driving slots 2 for the output rods 608 to extend into, and the side walls of the driving slots 2 are provided with arc-shaped racks 11, and the driving gear 25 is meshed with the arc-shaped racks 11. The servo motor 4 drives the rotating disk 3 to rotate, so that the output rod 608 slides along the driving slots 2, thereby causing the driving gear 25 to rotate along the arc-shaped racks 11. In addition, the arc-shaped racks 11 can be respectively provided on the inner wall of the driving slot 2 close to the edge of the workbench 1 and the inner wall away from the edge of the workbench 1, so as to control the rotation direction of the driving gear 25, thereby controlling the extension or retraction of the output rod 608.

[0035] refer to Figure 2 A partition 502 is fixedly connected to the base 501, and a mounting platform 503 is fixedly connected to one side of the partition 502. A gap is left between the partition 502 and the mounting platform 503 and is set as a splicing groove 12.

[0036] There are two drive groups 6 in the sheet working group 7, one drive group 6 is arranged on one side of the mounting platform 503, and the other drive group 6 is arranged opposite to the partition plate 502.

[0037] The fixed disk 604 of the driving group 6 located on one side of the mounting platform 503 is fixedly connected with a locking plate 702, and the partition plate 502 is fixedly connected with a positioning plate 701 arranged on one side of the splicing groove 12. The positioning plate 701 and the locking plate 702 are arranged opposite to each other, and the locking plate 702 slides close to or away from the positioning plate 701 under the control of the corresponding driving group 6.

[0038] The fixed disk 604 of the driving group 6 disposed opposite to the partition 502 is fixedly connected with a sheet push plate 703, wherein the sheet push plate 703 is located between the clamping plate 702 and the positioning plate 701. The sheet push plate 703, the positioning plate 701, and the clamping plate 702 enclose a sheet installation cavity, and the sheet is placed in the sheet installation cavity by a mechanical arm. The sheet push plate 703 pushes the sheet to slide close to the splicing groove 12 under the control of the corresponding driving group 6.

[0039] The positioning plate 702 and the positioning plate 701 are both provided with two waist-shaped limiting holes 13, and both sides of the leaf push plate 703 are fixedly connected with limiting rods 14 extending into the corresponding limiting holes 13, and the limiting rods 14 slide along the limiting holes 13. In addition, the extending end of the limiting rod 14 is fixedly connected with a clamping block, which can prevent the limiting rod 14 from falling off from the limiting hole 13.

[0040] A boss 504 is fixedly connected to one side of the partition 502 away from the sheet working group 7, and the sheet is fixedly connected to two rotation grooves, with a gap between the two rotation grooves and set as a mounting groove for a metal connecting rod, and the side of the mounting groove close to the base 501 is flush with the boss 504.

[0041] refer to Figure 2 , Figure 7 There are three driving groups 6 in the connecting rod working group 8, two of which are arranged opposite to each other on the partition 502, one of which is arranged opposite to the mounting platform 503, and the connecting rod push plates 801 are fixedly connected to the fixing plates of the three driving groups 6.

[0042] A limiting block 505 is fixedly connected to the boss 504, and one side of the limiting block 505 is fixedly connected to the partition 502. The three connecting rod push plates 801, the limiting block 505, the mounting platform 503, and the partition 502 together form a connecting rod installation cavity, and the metal connecting rod is placed in the connecting rod installation cavity by a robotic arm.

[0043] A set of driving groups 6 arranged opposite to the mounting platform 503 controls the corresponding connecting rod push plate 801 to push the metal connecting rod close to the mounting platform 503, and two sets of driving groups 6 arranged opposite to the partition 502 push the metal connecting rod close to the splicing groove 12 and assemble the metal connecting rod with the leaf piece.

[0044] The rotating shaft working group 9 includes a driving group 6 disposed opposite to the positioning plate 701, and the fixed disk 604 of the driving group 6 is fixedly connected to the transmission plate 901, and the transmission plate 901 is slidably connected to the upper end surface of the partition 502. A limiting groove 15 is provided in the partition 502, and the transmission plate 901 extends into the limiting groove 15. A fixing hole 16 is provided on the transmission plate 901, and a rotating shaft is placed in the fixing hole 16. The transmission plate 901 is pushed by the corresponding driving group 6 to slide close to or away from the splicing groove 12.

[0045] When the transmission plate 901 slides toward the splicing groove 12 and the fixing hole 16 is located above the rotation groove and is consistent with the rotation groove axis, the transmission plate 901 abuts against the inner wall of the limiting groove 15. Since the height of the partition plate 502 is flush with the upper outer wall of the rotation groove at the upper end of the leaf sheet, the rotating shaft can fall into the rotation groove.

[0046] refer to Figure 2 The rotating shaft working group 9 includes a driving group 6 located on the mounting platform 503 and arranged opposite to the partition 502, and the fixing plate 604 of the driving group 6 is fixedly connected with a mounting plate 902, and the mounting plate 902 is slidably connected to the upper end surface of the mounting platform 503. The mounting plate 902 slides close to or away from the splicing groove 12 under the control of the corresponding driving group 6.

[0047] refer to Figure 7 A rotating ring 903 is rotatably connected to the upper end surface of the mounting plate 902, and a pressing rod 904 is axially arranged inside the rotating ring 903 and penetrates both the rotating ring 903 and the mounting plate 902. An external thread is arranged on the outer wall of the pressing rod 904, and the pressing rod 904 is threadedly connected to the rotating ring 903 and the mounting plate 902.

[0048] refer to Figure 7 , Figure 8 A rotating rod 905 is inserted through and rotatably connected to the mounting plate 902, and a displacement groove 17 for inserting the rotating rod 905 is provided on the mounting table 503, and the rotating rod 905 slides along the displacement groove 17. A power wheel 906 is fixedly connected to one end of the rotating rod 905 located on the upper end surface of the mounting plate 902, and the power wheel 906 is linked to the rotating ring 903 through a belt. A power groove 18 corresponding to the position of the rotating rod 905 is provided on the workbench 1, wherein an arc-shaped rack 11 is provided on the inner wall of the power groove 18, and the rotating rod 905 penetrates the rotating disk 3 and extends into the power groove 18.

[0049] One end of the rotating rod 905 extending into the power slot 18 is fixedly connected to the driving gear 25, and the driving gear 25 meshes with the corresponding arc-shaped rack 11. At the same time, the rotating rod 905 slides along the power slot 18 under the action of the rotating disk 3, so that the driving gear 25 rotates on the arc-shaped rack 11, thereby rotating the power wheel 906 and driving the rotating ring 903 to rotate, and the pressing rod 904 slides toward or away from the upper end surface of the mounting platform 503.

[0050] refer to Figure 7 , Fig. 9 A lifting platform 506 is arranged on the boss 504, and two lifting bearings 19 are fixedly connected to the lower end surface of the lifting platform 506, wherein the outer ring of the lifting bearing 19 is fixedly connected to the lifting platform 506, and the inner ring of the lifting bearing 19 is fixedly connected to a lifting rod 20 that passes through the base 501, and the lifting rod 20 is threadedly connected to the base 501.

[0051] The workbench 1 is provided with lifting slots 21 corresponding to the number of lifting rods 20. The side walls of the lifting slots 21 are fixedly connected with arc-shaped racks 11. The lower ends of the lifting rods 20 are fixedly connected with gear rods 10. The gear rods 10 extend into the lifting slots 21 and mesh with the arc-shaped racks 11.

[0052] refer to Figure 2 A driving group 6 is arranged on the side of the mounting platform 503 away from the metal connecting rod, wherein the driving rod 603 of the driving group 6 is rotatably connected to the unloading push block 22 on the side close to the metal connecting rod. When unloading, the lifting platform 506 lifts the assembled hinge upward, and the upper end surface of the lifting platform 506 is flush with the upper end surfaces of the conveying plate 901, the limit block 505, and the safety platform. The driving rod 603 moves toward the hinge and pushes the hinge from the lifting platform 506 to the outside of the limit block 505, so that the clamping tool 5 completes unloading.

[0053] The implementation principle of the second embodiment of the present application is as follows: the clamping fixture 5 rotates radially along the workbench 1, so that the driving gear 25 of the output rod 608 cooperates with the arc-shaped rack 11 of the driving groove 2, and the driving gear 25 rotates on the arc-shaped rack 11 to drive the driving group 6 to operate. The driving group 6 controls the positioning plate 702 and the leaf push plate 703 to position the leaf and withdraw the rotating groove of the leaf into the splicing groove 12, and at the same time, the driving group 6 pushes the metal connecting rod into the splicing groove 12 and splices it with the leaf.

[0054] After the metal connecting rod is spliced ​​with the leaf piece, the driving group 6 moves the rotating shaft on the conveying plate 901 to the top of the leaf piece splicing groove 12, and makes the rotating shaft and the axis of the rotating groove of the leaf piece consistent, and the rotating shaft falls into the rotating groove. Secondly, the driving group 6 controls the mounting plate 902 to slide close to the splicing groove 12, so that the pressing rod 904 abuts against the rotating shaft. Finally, the pressing rod 904 is lowered to press the rotating shaft into the metal connecting rod and the rotating groove, so that the hinge assembly is completed. After the assembly is completed, the material is unloaded through the cooperation of the above-mentioned lifting platform 506 and the unloading push block 22.

[0055] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic hinge assembly machine, comprising a workbench (1), characterized in that: The workbench (1) is provided with a plurality of clamping fixtures (5) for placing hinge parts and rotating radially along the workbench (1), the clamping fixture (5) comprising a base (501), a partition (502) being provided on the base (501), a mounting platform (503) being provided on one side of the partition (502), a gap being left between the partition (502) and the mounting platform (503) and being provided as a splicing groove (12), the base (501) is also provided with a leaf working group (7), a connecting rod working group (8), and a rotating shaft working group (9), the leaf working group (7), the connecting rod working group (8), and the rotating shaft working group (9) each comprising a plurality of drive groups (6), and the workbench (1) is provided with a drive groove (2) cooperating with the drive group (6) and controlling the operation of the drive group (6); The sheet work group (7) includes two drive groups (6), one of which is arranged on one side of the mounting platform (503), and the drive group (6) on the side of the mounting platform (503) is provided with a locking plate (702). The other drive group (6) is arranged opposite to the partition, and the drive group (6) on the side opposite to the partition is provided with a sheet push plate (703), and a positioning plate (701) is arranged on one side of the locking plate (702). The locking plate (702) and the positioning plate (701) are The leaf push plate (703) is respectively arranged on both sides of the splicing groove (12), and the leaf push plate (703) is arranged between the positioning plate (701) and the locking plate (702). The positioning plate (701), the locking plate (702), and the leaf push plate (703) enclose a leaf installation cavity, and the leaf installation cavity is connected to the splicing groove (12). The leaf is placed in the leaf installation cavity. The locking plate (702) and the leaf push plate (703) are respectively driven by the corresponding driving group (6) to push the leaf to slide close to the splicing groove (12); The connecting rod working group (8) has three driving groups (6), two of which are arranged opposite to the partition (502), and the other driving group (6) is arranged opposite to the mounting platform (503). The three driving groups (6) in the connecting rod working group (8) are all provided with connecting rod push plates (801), and a limiting block (505) is fixedly connected to the base (501). The three connecting rod push plates (801), the limiting block (505) and the mounting platform (503) are enclosed to form a connecting rod installation cavity, and a metal connecting rod is placed in the connecting rod installation cavity. The three connecting rod push plates (801) are respectively driven by the corresponding driving groups (6) to move closer to or away from the connecting rod installation cavity, thereby pushing the metal connecting rod to slide toward the splicing groove (12); The rotating shaft working group (9) includes a driving group (6) arranged opposite to the positioning plate (701). The driving group (6) located on the opposite side of the positioning plate (701) is provided with a transmission plate (901). The transmission plate (901) is slidably connected to the upper end surface of the partition (502). A fixing hole (16) is provided on the transmission plate (901). A hinge part is placed in the fixing hole (16). The partition (502) is pushed by the corresponding driving group (6) to slide close to or away from the splicing groove (12).

2. The hinge automatic assembly machine according to claim 1, characterized in that: A plurality of limiting holes (13) are provided on the positioning plate (701) and the locking plate (702), and a plurality of limiting rods (14) extending into the corresponding limiting holes (13) are provided on both sides of the leaf push plate (703), and the limiting rods (14) slide along the corresponding limiting holes (13).

3. The hinge automatic assembly machine according to claim 1, characterized in that: The rotating shaft working group (9) also includes a driving group (6) located on the mounting platform (503) and arranged opposite to the partition (502). The driving group (6) located on the mounting platform (503) is provided with a mounting plate (902). The mounting plate (902) is driven by the corresponding driving group (6) and slides toward or away from the splicing groove (12). The mounting plate (902) is provided with a rotating ring (903) located above the transmission plate (901). A pressing rod (904) is arranged in the rotating ring (903). The rotating ring (903) is threadedly connected to the rotating rod (905) and the mounting plate (902). After the rotating ring (903) rotates, it drives the pressing rod (904) to extend or retract.

4. The hinge automatic assembly machine according to claim 3, characterized in that: A rotating rod (905) is provided through the mounting plate (902), a displacement groove (17) is provided on the base (501) along the sliding direction of the mounting plate (902), the rotating rod (905) extends into the displacement groove (17), a power wheel (906) is provided at one end of the rotating rod (905), the power wheel (906) is linked with the rotating ring (903), a driving gear (25) is provided at the other end of the rotating rod (905), a power groove (18) is provided on the workbench (1), an arc-shaped rack (11) is provided in the power groove (18), the rotating rod (905) extends into the power groove (18), the driving gear (25) is meshed with the arc-shaped rack (11), and the rotating rod (905) slides along the power groove (18).

5. The hinge automatic assembly machine according to claim 1, characterized in that: The driving group (6) further comprises a driving seat (601) arranged at the edge of the base (501), a driving ring (602) being rotatably connected to the driving seat (601), a driving rod (603) axially penetrating the driving ring (602) and the driving seat (601) being arranged on the driving ring (602), and the driving rod (603) being threadedly connected to the driving ring (602) and the driving seat (601).

6. The hinge automatic assembly machine according to claim 5, characterized in that: A transmission wheel (606) correspondingly arranged below the driving ring (602) is rotatably connected on the side wall of the base (501); the transmission wheel (606) and the driving ring (602) are linked and connected; a transmission rod (607) is arranged on the transmission wheel (606); the transmission rod (607) extends into the base (501); an output rod (608) having one end extending into the base (501) is passed through the rotating disk (3); and mutually meshing bevel gears are arranged at the ends of the output rod (608) and the transmission wheel (606) that are close to each other.

7. The hinge automatic assembly machine according to claim 6, characterized in that: The inner wall of the driving groove (2) is provided with an arc-shaped rack (11), the other end of the output rod (608) extends into the driving groove (2) and is provided with a gear meshing with the arc-shaped rack (11), and the output rod (608) slides along the driving groove (2).

8. The hinge automatic assembly machine according to claim 1, characterized in that: The base (501) is provided with a lifting platform (506), and the lower end surface of the lifting platform (506) is fixedly connected to two lifting bearings (19), the outer ring of the lifting bearing (19) is fixedly connected to the lifting platform (506), and the inner ring of the lifting bearing (19) is fixedly connected to a lifting rod (20) that passes through the base (501), and the lifting rod (20) is threadedly connected to the base 501.

9. The hinge automatic assembly machine according to claim 8, characterized in that: The workbench (1) is provided with lifting grooves (21) corresponding to the number of lifting rods (20); an arc-shaped rack (11) is fixedly connected to the upper side wall of the lifting groove (21); a gear rod (10) is provided at the lower end of the lifting rod (20); the gear rod (10) extends into the lifting groove (21) and meshes with the arc-shaped rack (11).

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