Automatic feeding device for metal bracket

Abstract

The present invention discloses an automatic feeding device for metal brackets, which belongs to the technical field of metal bracket feeding. The device comprises a workbench, on which a working turntable, a plurality of bracket positioning mechanisms and an air extraction mechanism are provided. The working turntable is rotatably arranged on the workbench, and a plurality of bracket positioning mechanisms are evenly distributed circumferentially on the workbench; the air extraction mechanism is used to adsorb and fix the metal bracket; the bracket positioning mechanism comprises a workstation platform, on which a positioning block and an air suction hole are provided; the turntable driving mechanism comprises a driving cam, a sheave lever, a power spindle, a turntable driving motor and a plurality of driven sheaves, and the plurality of driven sheaves are respectively provided at the bottom of the working turntable and are provided correspondingly to the bracket positioning mechanism. The present invention has a compact structure and is easy to operate, realizes automatic feeding of metal brackets, greatly improves the feeding efficiency of metal brackets, reduces production costs and labor costs, and ensures stable feeding and positioning of metal brackets, thereby greatly improving the processing quality of metal brackets.

Description

Technical Field

[0001] The invention relates to an automatic feeding device for a metal bracket, belonging to the technical field of metal bracket feeding. Background Art

[0002] Electronic systems and engines in the aerospace field involve many circuits. Currently, metal brackets are mostly used to fix and support the circuits. Different installation spaces require different types of metal brackets. There are two main structures: one is an L-shaped metal bracket, and the other is a Z-shaped structure with two 90-degree bent metal brackets. After the metal bracket is processed, it is generally marked on the metal bracket product as required. Due to the special product shape of the metal bracket, the center of gravity of the metal bracket often shifts when it is placed on the processing position of the marking equipment, making it impossible to place the metal bracket flat, which brings great difficulties to the marking of the metal bracket.

[0003] Currently, metal brackets are marked manually by manually clamping the workpiece and sending it to the pad printer for marking. Manual clamping is laborious because the width of the metal bracket is small, so only a very small part can be clamped by hand. The marking position of the metal bracket is often deviated due to uneven workpiece placement, and the marking content may even be blurred, affecting the marking quality of the metal bracket. In addition, manual processing can only be performed on a single piece, which has very low processing efficiency and cannot meet the production requirements of metal brackets. Therefore, there is a need for an automatic metal bracket feeding device that can realize automatic feeding of metal brackets, improve metal bracket feeding efficiency and metal bracket processing quality. Summary of the Invention

[0004] Aiming at the deficiencies in the prior art, the present invention provides an automatic feeding device for a metal bracket.

[0005] The present invention solves the above-mentioned technical problem with the following technical solution: an automatic feeding device for metal brackets, comprising a workbench, on which a working turntable, a plurality of bracket positioning mechanisms, and an exhaust mechanism are provided. The working turntable is rotatably arranged on the workbench and can drive the metal brackets to rotate to various workstations under the action of a turntable driving mechanism; the plurality of bracket positioning mechanisms are evenly distributed circumferentially on the workbench; the exhaust mechanism is used to adsorb and fix the metal brackets on the bracket positioning mechanisms;

[0006] The bracket positioning mechanism includes a work station platform, on which a positioning block for positioning the metal bracket and an air suction hole for adsorbing the metal bracket are provided. An air duct is provided in the work station platform, one end of the air duct is connected to the air suction hole, and the other end is connected to the air extraction pipe of the air extraction mechanism;

[0007] The turntable drive mechanism includes a driving cam, a sheave lever, a power spindle, a turntable drive motor and a plurality of driven sheaves. The plurality of driven sheaves are respectively arranged at the bottom of the working turntable and corresponding to the bracket positioning mechanism. The output shaft of the turntable drive motor is connected to the power spindle. One end of the sheave lever is connected to the power spindle, and a driving cam is provided on the other end. The driving cam can be inserted into the groove of the driven sheave to drive the working turntable to rotate.

[0008] The beneficial effects of the present invention are as follows: the turntable drive motor drives the power spindle to rotate, the power spindle drives the driving cam on the groove wheel lever to insert into the driven groove wheel at the bottom of the turntable one by one, and drives the working turntable to rotate. Each time the groove wheel lever is moved, a shift is achieved, and the metal bracket can rotate one workstation. Under the action of the turntable drive mechanism, the working turntable can stably and accurately drive the metal bracket to rotate at each workstation, thereby ensuring the continuity and stability of the metal bracket feeding; the metal bracket is not only supported and positioned by the positioning block and the workstation platform, but also fixed to the workstation platform by adsorption by the exhaust mechanism, so that the metal bracket is stably positioned and will not shift due to the rotation of the working turntable, which can meet the positioning requirements of the metal bracket at the processing station and ensure the processing quality of the metal bracket. In short, the present invention has a compact structure and is easy to operate. By setting the working turntable, the bracket positioning mechanism and the exhaust mechanism, the automatic feeding of the metal bracket is realized, the feeding efficiency of the metal bracket is greatly improved, the production cost and labor cost are reduced, the feeding positioning of the metal bracket is stable, and the processing quality of the metal bracket is greatly improved, which has significant economic and social benefits.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, a supporting spindle is provided at the center of the workbench, a spindle bearing seat is provided on the outer side of the supporting spindle, and the working turntable is connected to the spindle bearing seat.

[0011] The beneficial effect of adopting the above-mentioned further scheme is that the spindle bearing seat can not only support the working turntable, but also meet the requirement of the working turntable rotating relative to the workbench. The supporting spindle can support the spindle bearing seat. Not only that, the setting of the central supporting spindle also prepares for the arrangement of the exhaust mechanism for adsorbing and fixing the metal bracket.

[0012] Furthermore, the exhaust mechanism includes an air distribution valve, a sliding sleeve, a main air pipe, an exhaust fan and an exhaust pipe. The supporting main shaft is provided with a countersunk hole and at least one radial axial hole connected to the countersunk hole. One end of the main air pipe is connected to the countersunk hole, and the other end is connected to the exhaust fan. The air distribution valve is sleeved on the supporting main shaft, and the air distribution valve is provided with an air distribution groove and multiple air distribution holes. The workstation includes a unloading station and multiple non-unloading stations. The air distribution groove and multiple air distribution holes are correspondingly arranged at the positions of the non-unloading stations. The sliding sleeve is slidably sleeved on the outside of the air distribution valve, and the sliding sleeve is provided with multiple exhaust holes. The multiple exhaust holes are correspondingly arranged with the bracket positioning mechanism. The exhaust holes are connected with the workstation platform through the exhaust pipe.

[0013] The beneficial effect of adopting the above further solution is that the metal bracket is placed on the workstation platform, and the air pressure difference generated by the air pumping mechanism adsorbs the metal bracket on the workstation platform. The rotation of the working turntable will rotate the metal bracket through each workstation, so the air pumping mechanism needs to meet the rotation requirements of the workstation platform at different workstations. The air distribution groove of the air pumping mechanism is arranged at a workstation other than the corresponding unloading workstation. The air distribution groove is arranged circumferentially along the inner and outer walls of the air distribution valve, which can meet the connection of the air path during the rotation process of the working turntable and after it is rotated into place. The air distribution hole is set at the corresponding workstation other than the unloading workstation, that is, the non-unloading workstation. No air pressure is generated at the unloading workstation, which is used for unloading of the metal bracket. Therefore, there is no need to arrange the air distribution groove and air distribution hole at the corresponding unloading workstation. The sliding sleeve is connected to the workstation platform through the air pumping pipe, and the working turntable rotates. When it moves, it can drive the sliding sleeve to rotate. The exhaust holes on the sliding sleeve will keep the air path connected by cooperating with the air distribution groove during the rotation. When it is rotated into place, the exhaust holes will be connected to the corresponding air path of the air distribution holes, which will have a better effect and more stable adsorption of the metal bracket. It is through the coordinated effect of the air distribution valve, sliding sleeve, main air pipe, exhaust fan and exhaust pipe that the exhaust mechanism can maintain the adsorption and fixing effect of the metal bracket when the metal bracket is driven to rotate by multiple workstation platforms, thereby ensuring the stability of the automatic feeding of the metal bracket.

[0014] Furthermore, a regulating valve is provided on the exhaust pipe.

[0015] The beneficial effect of adopting this further solution is that by adding a regulating valve to the exhaust pipe, the pressure difference at each station can be freely adjusted, thereby meeting the requirements for the adsorption effect of metal brackets of different specifications, materials, and weights. This allows for the control of the pressure difference for adsorbing metal brackets at each station. This not only improves the stability of metal bracket adsorption, but also enhances the adaptability and flexibility of the feeding device.

[0016] Furthermore, the workstation platform is further provided with a positioning groove for positioning the metal bracket, and the air suction hole is arranged at the positioning groove.

[0017] The beneficial effect of adopting this further solution is that the design of the positioning groove ensures the precise positioning of the metal bracket on the workstation platform, improving the accuracy and stability of the metal bracket's adsorption. At the same time, the suction hole is located in the positioning groove, which can more effectively adsorb the metal bracket, preventing it from shifting or falling during the feeding process, thereby improving the reliability and working efficiency of the entire feeding device.

[0018] Furthermore, the positioning block is arranged on the work station platform through a position adjustment mechanism, and the position adjustment mechanism includes a movable long hole arranged on the work station platform, an adjustment bolt capable of moving along the length direction of the movable long hole, and an adjustment nut arranged at the rod end of the adjustment bolt, and the adjustment nut adopts a square nut, and the width direction of the adjustment nut is smaller than the width of the movable long hole, and the length direction is larger than the width of the movable long hole.

[0019] The beneficial effect of adopting the above-mentioned further solution is that, in order to ensure the positioning stability of metal brackets of different specifications and shapes on the workstation platform, the positioning block is designed as an adjustable structure. The position adjustment mechanism can easily adjust the positioning block's position on the workstation platform to accommodate metal brackets of different sizes or shapes, thereby enhancing the versatility and flexibility of the feeding device. In addition, the design of the square nut facilitates its entry into the workstation platform through the movable elongated hole. By turning the adjustment bolt, the adjustment nut can be rotated to a certain angle to prevent the adjustment nut from dislodging from the movable elongated hole, thus limiting the positioning block. When the positioning block needs to be adjusted, it only needs to be slid, making the position adjustment of the positioning block convenient and quick.

[0020] Furthermore, it also includes a locking positioning mechanism for positioning the working turntable, the locking positioning mechanism includes a locking slide, a locking cam arranged on the locking slide, and a locking cylinder for driving the locking slide to move radially, and the working turntable is provided with a plurality of turntable grooves that can engage with the locking cam.

[0021] The beneficial effect of adopting this further solution is that after the working turntable is rotated into position under the action of the turntable drive mechanism, the working turntable can be further limited by the locking mechanism, preventing the working turntable from shaking and affecting the processing quality of the metal bracket in the processing position. The locking and positioning mechanism has a simple structure and is easy to operate, and can quickly position and unlock the working turntable, thereby improving the production efficiency and automation level of the automatic feeding device for metal brackets. At the same time, the locking cam and the turntable groove design make the locking and positioning more secure and reliable, further ensuring the stability and accuracy of the metal bracket after it is rotated into position.

[0022] Furthermore, the locking and positioning mechanism also includes a locking bracket, which is arranged on the workbench, and the locking slide is slidably arranged on the locking bracket through a locking guide rail.

[0023] The beneficial effect of adopting the above-mentioned further scheme is that the introduction of the locking guide rail not only enhances the guiding properties of the locking slide movement, but also reduces friction and wear during the sliding process. The locking bracket serves as a supporting structure, providing an installation basis for the locking slide, ensuring the stability and reliability of the entire locking positioning mechanism during operation.

[0024] Furthermore, it also includes a unloading mechanism arranged on the workbench, the unloading mechanism includes a unloading rack, an unloading rod arranged on the unloading rack, an unloading drive mechanism for driving the unloading rod to rotate, and an unloading drive cylinder for driving the unloading rod to lift and lower the material. The piston rod of the unloading drive cylinder is connected to the unloading rack, and the working turntable is provided with a rod lifting slot for the unloading rod to pass through. The unloading rod passes through the rod lifting slot under the action of the unloading drive cylinder. Under the action of the unloading drive mechanism, the unloading rod rotates to push the metal bracket into the material box arranged on the workbench.

[0025] The beneficial effect of adopting the above-mentioned further solution is that the unloading mechanism can realize automatic unloading of metal brackets, thereby improving the unloading efficiency of the automatic feeding device of metal brackets. Specifically, the unloading drive cylinder drives the unloading lever to rise and fall, and cooperates with the unloading drive mechanism to realize the rotation of the unloading lever, which can accurately push the metal bracket into the material box, realizing the automatic unloading of metal brackets, saving labor costs, and preparing for the continuous feeding of metal brackets. In addition, the unloading mechanism has a compact structure, takes up little space, and does not interfere with the turnover of metal brackets between various workstations.

[0026] Furthermore, there are two unloading levers, namely a left lever and a right lever. The unloading drive mechanism includes a unloading motor. A transmission mechanism is also provided between the unloading motor and the left lever and the right lever. The transmission mechanism includes a driving gear, a left gear, a right gear and an idler gear. The left gear and the right gear are respectively arranged on the left lever and the right lever. The driving gear is connected to the output shaft of the unloading motor. The driving gear is engaged with the left gear through the idler gear, and the driving gear is engaged with the right gear.

[0027] The beneficial effect of adopting the above-mentioned further scheme is that, in order to improve the processing efficiency of the metal bracket, each workstation platform can have two workpiece positions for placing the metal bracket, and two levers can be set for the two metal brackets, namely the left lever and the right lever, and the transmission mechanism can be used to realize that the two metal brackets can be pushed into the material box in different rotation directions of the left lever and the right lever. The reasonable configuration of the transmission mechanism not only realizes the effective transmission of power, but also ensures the smoothness and reliability of the transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the present invention;

[0029] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention;

[0030] Figure 3 It is a structural schematic diagram of the working turntable and bracket positioning mechanism of the present invention;

[0031] Figure 4 It is a structural schematic diagram of the turntable driving mechanism of the present invention;

[0032] Figure 5 This is a structural diagram of the turntable drive mechanism and the working turntable in the present invention;

[0033] Figure 6 It is a structural schematic diagram of the workstation platform of the present invention;

[0034] Figure 7 Schematic diagram of the split structure of the workstation platform of the present invention;

[0035] Figure 8 It is a structural schematic diagram of the blanking mechanism of the present invention;

[0036] Figure 9 for Figure 8 Schematic diagram of the cross-sectional structure along the AA direction;

[0037] Figure 10 It is a schematic diagram of the three-dimensional structure of the blanking mechanism of the present invention;

[0038] Figure 11 It is a structural schematic diagram of the air extraction mechanism of the present invention;

[0039] Figure 12 for Figure 11 Schematic diagram of the top view structure;

[0040] Figure 13 for Figure 12 Schematic diagram of the cross-sectional structure along the BB direction;

[0041] Figure 14 It is a structural schematic diagram of the gas distribution valve and the sliding sleeve of the present invention;

[0042] Figure 15 It is a structural schematic diagram of the supporting spindle and the spindle nut of the present invention;

[0043] Figure 16 This is a structural diagram of the locking and positioning mechanism of the present invention from an angle 1;

[0044] Figure 17 This is a structural diagram of the locking and positioning mechanism of the present invention from angle 2;

[0045] Figure 18 It is a structural schematic diagram of a specific implementation of the automatic feeding device of the present invention;

[0046] Figure 19 for Figure 18 Schematic diagram of the top view structure;

[0047] In the figure, 100, workbench; 200, work turntable; 2011, turntable groove; 2012, lever lifting slot; 300, bracket positioning mechanism; 301, work station platform; 3011, suction hole; 3012, positioning groove; 3013, movable long hole; 302, positioning block; 303, adjusting bolt; 304, adjusting nut; 400, turntable driving mechanism; 401, turntable driving motor; 402, groove wheel lever; 403, driving cam; 404, driven groove wheel; 500, exhaust mechanism; 501, air distribution valve; 5011, air distribution groove; 5012, air distribution hole; 502, sliding sleeve; 5021, exhaust hole; 503, main air pipe; 504, exhaust fan; 505, exhaust pipe; 506, regulating valve; 601, supporting spindle; 6011 , countersunk hole; 6012, radial shaft hole; 602, spindle nut; 603, spindle bearing seat; 700, locking positioning mechanism; 701, locking slide; 702, locking cam; 703, locking cylinder; 704, locking bracket; 705, locking guide rail; 800, unloading mechanism; 801, unloading rack; 802, material box; 803, unloading drive cylinder; 804, unloading motor; 8 05. Left lever; 806. Right lever; 807. Driving gear; 808. Left gear; 809. Right gear; 810. Idle pulley; 811. Unloading slide rail; 900. Metal bracket; 1001. Loading station; 1002. Processing station; 1003. Drying station; 1004. Unloading station; 1005. Transition station; 1100. Pad printer; 1200. Robot. DETAILED DESCRIPTION

[0048] The principles and features of the present invention are described below with reference to examples. The examples are only used to explain the present invention and are not used to limit the scope of the present invention.

[0049] like Figures 1-17 As shown, an automatic feeding device for metal brackets includes a workbench 100, on which a working turntable 200, a plurality of bracket positioning mechanisms 300, and an exhaust mechanism 500 are provided. The working turntable 200 is rotatably arranged on the workbench 100, and the working turntable 200 can drive the metal brackets 900 to rotate to various workstations under the action of a turntable driving mechanism 400; a plurality of the bracket positioning mechanisms 300 are evenly distributed circumferentially on the workbench 100 and are correspondingly arranged at various workstations; the exhaust mechanism 500 is used to adsorb and fix the metal brackets 900 on the bracket positioning mechanisms 300;

[0050] The bracket positioning mechanism 300 includes a work platform 301, on which a positioning block 302 for positioning the metal bracket 900 and an air suction hole 3011 for adsorbing the metal bracket 900 are provided. An air duct is provided in the work platform 301, one end of which is connected to the air suction hole 3011 and the other end is connected to the air extraction pipe 505 of the air extraction mechanism 500;

[0051] The turntable drive mechanism 400 includes a driving cam 403, a sheave lever 402, a power spindle, a turntable drive motor 401 and multiple driven sheaves 404. The multiple driven sheaves 404 are respectively arranged at the bottom of the working turntable 200 and are corresponding to the bracket positioning mechanism 300. The output shaft of the turntable drive motor 401 is connected to the power spindle, one end of the sheave lever 402 is connected to the power spindle, and a driving cam 403 is provided on the other end. The driving cam 403 can be inserted into the groove of the driven sheave 404 to drive the working turntable 200 to rotate.

[0052] A support spindle 601 is provided at the center of the workbench 100. A spindle bearing seat 603 is sleeved on the outer side of the support spindle 601. The work turntable 200 is connected to the spindle bearing seat 603. The spindle bearing seat 603 not only supports the work turntable 200 but also allows the work turntable 200 to rotate relative to the workbench 100. The support spindle 601 supports the spindle bearing seat 603. Furthermore, the central support spindle 601 also prepares for the arrangement of the vacuum mechanism 500 that adsorbs and fixes the metal bracket 900.

[0053] The exhaust mechanism 500 includes an air distribution valve 501, a sleeve 502, a main air pipe 503, an exhaust fan 504 and an exhaust pipe 505. The support main shaft 601 is provided with a countersunk hole 6011 and at least one radial shaft hole 6012 connected to the countersunk hole 6011. For example, two radial shaft holes 6012 are provided on the support main shaft 601, one end of the main air pipe 503 is connected to the countersunk hole 6011, and the other end is connected to the exhaust fan 504. The air distribution valve 501 is sleeved on the support main shaft 601. An air groove 5011 and multiple air distribution holes 5012, the workstations include a blanking station 1004 and multiple non-blanking stations, the air distribution groove 5011 and multiple air distribution holes 5012 are correspondingly arranged at the non-blank stations, the sleeve 502 is slidably sleeved on the outside of the air distribution valve 501, and the sleeve 502 is provided with multiple exhaust holes 5021, and the multiple exhaust holes 5021 are correspondingly arranged with the bracket positioning mechanism 300, and the exhaust holes 5021 are connected to the workstation platform 301 through the exhaust pipe 505.

[0054] The exhaust pipe 505 can be a hose. A stop plate is provided on the sliding sleeve 502. The working turntable 200 is provided with a pinhole for mounting a pin. The stop plate is provided with a latch adapted to fit the pin. The stop plate and the pin cooperate to enable the sliding sleeve 502 to rotate synchronously with the working turntable 200.

[0055] The metal bracket 900 is placed on the work station platform 301, and the metal bracket 900 on the work station platform 301 is adsorbed by the air pressure difference generated by the exhaust mechanism 500. The rotation of the working turntable 200 will rotate the metal bracket 900 through each work station, so the exhaust mechanism 500 needs to meet the rotation requirements of the work station platform 301 at different work stations. The air distribution groove 5011 of the air extraction mechanism 500 is arranged at a station other than the corresponding unloading station 1004. The air distribution groove 5011 is arranged circumferentially along the inner and outer walls of the air distribution valve 501, which can meet the connection of the air path during the rotation process of the working turntable 200 and after it is rotated into place. The air distribution hole 5012 is arranged at the corresponding station other than the unloading station 1004, that is, the non-unloading station. No air pressure is generated at the unloading station 1004, which is used for unloading the metal bracket 900. Therefore, there is no need to arrange the air distribution groove 5011 and the air distribution hole 5012 at the corresponding unloading station 1004. The sliding sleeve 502 is connected to the station platform 301 through the air extraction pipe 505. The working turntable 20 When the sliding sleeve 502 rotates, it can drive the sliding sleeve 502 to rotate. The exhaust hole 5021 on the sliding sleeve 502 will maintain air communication with the air distribution groove 5011 during the rotation process. When the rotation is in place, the exhaust hole 5021 will be connected to the corresponding air path of the air distribution hole 5012, which is more effective and can more stably adsorb the metal bracket 900. It is through the coordinated action of the air distribution valve 501, the sliding sleeve 502, the main air pipe 503, the exhaust fan 504 and the exhaust pipe 505 that the exhaust mechanism 500 can maintain the adsorption and fixation effect on the metal bracket 900 when the multiple workstation platforms 301 drive the metal bracket 900 to rotate, thereby ensuring the stability of the automatic feeding of the metal bracket 900.

[0056] The exhaust pipe 505 is also provided with a regulating valve 506. When dealing with metal brackets 900 of different specifications, materials, or weights, the operator can easily adjust the pressure difference through the regulating valve 506 according to actual needs, ensuring that each metal bracket 900 is firmly adsorbed and smoothly transported to the next station, effectively reducing the failure rate and material loss caused by unstable adsorption.

[0057] The workstation platform 301 is also provided with a positioning groove 3012 for positioning the metal bracket 900, and the air intake hole 3011 is located in the positioning groove 3012. The design of the positioning groove 3012 ensures the precise positioning of the metal bracket 900 on the workstation platform 301, improving the accuracy and stability of the metal bracket 900's adsorption. Furthermore, the air intake hole 3011 located in the positioning groove 3012 can more effectively adsorb the metal bracket 900, preventing it from shifting or falling during the feeding process, thereby improving the reliability and efficiency of the entire feeding device.

[0058] The positioning block 302 is mounted on the work platform 301 via a position adjustment mechanism. The position adjustment mechanism includes a movable elongated hole 3013 disposed on the work platform 301, an adjustment bolt 303 movable along the length of the movable elongated hole 3013, and an adjustment nut 304 disposed at the end of the rod of the adjustment bolt 303. The adjustment nut 304 is a square nut, with a width smaller than the width of the movable elongated hole 3013 and a length greater than the width of the movable elongated hole 3013. To ensure the stable positioning of metal brackets 900 of different sizes and shapes on the work platform 301, the positioning block 302 is designed as an adjustable structure. The position adjustment mechanism allows the positioning block 302 to be easily adjusted on the work platform 301 to accommodate metal brackets 900 of different sizes or shapes, thereby enhancing the versatility and flexibility of the feeding device. In addition, the design of the square nut facilitates its entry into the work station platform 301 through the movable long hole 3013. By rotating the adjusting bolt 303, the adjusting nut 304 can be rotated to a certain angle to prevent the adjusting nut 304 from falling out of the movable long hole 3013, and can limit the positioning block 302. When the position of the positioning block 302 needs to be adjusted, it is only necessary to slide the positioning block 302. The position adjustment of the positioning block 302 is convenient and quick.

[0059] The apparatus further includes a locking and positioning mechanism 700 for positioning the working turntable 200. The locking and positioning mechanism 700 includes a locking slide 701, a locking cam 702 disposed on the locking slide 701, and a locking cylinder 703 for driving the locking slide 701 to move radially. The working turntable 200 is provided with a plurality of turntable grooves 2011 that can engage with the locking cam 702. After the working turntable 200 is rotated into position under the action of the turntable drive mechanism 400, the working turntable 200 can be further limited and constrained by the locking mechanism to prevent the working turntable 200 from shaking and affecting the processing quality of the metal bracket 900 in the processing position. The locking and positioning mechanism 700 has a simple structure and is easy to operate. It can quickly achieve the positioning and unlocking of the working turntable 200, thereby improving the production efficiency and automation level of the metal bracket automatic feeding device. At the same time, the engagement design of the locking cam 702 and the turntable groove 2011 makes the locking positioning more firm and reliable, further ensuring the stability and accuracy of the metal bracket 900 rotated into place.

[0060] The locking and positioning mechanism 700 further includes a locking bracket 704, which is disposed on the workbench 100. The locking slide 701 is slidably mounted on the locking bracket 704 via a locking guide rail 705. The introduction of the locking guide rail 705 not only enhances the guidance of the movement of the locking slide 701 but also reduces friction and wear during the sliding process. The locking bracket 704 serves as a supporting structure, providing a mounting base for the locking slide 701, thereby ensuring the stability and reliability of the entire locking and positioning mechanism 700 during operation.

[0061] It also includes a blanking mechanism 800 arranged on the workbench 100, and the blanking mechanism 800 includes a blanking frame 801, a blanking rod arranged on the blanking frame 801, a blanking drive mechanism for driving the blanking rod to rotate, and a blanking drive cylinder 803 for driving the blanking rod to lift and lower. The piston rod of the blanking drive cylinder 803 is connected to the blanking frame 801, and the blanking drive cylinder 803 can be a pneumatic cylinder. The working turntable 200 is provided with a rod lifting slot 2012 for the blanking rod to pass through. The blanking rod passes through the rod lifting slot 2012 under the action of the blanking drive cylinder 803. Under the action of the blanking drive mechanism, the blanking rod rotates to push the metal bracket 900 into the material box 802 arranged on the workbench 100. The unloading mechanism 800 automatically unloads the metal stents 900, improving the unloading efficiency of the metal stent automatic feeding device. Specifically, the unloading drive cylinder 803 drives the unloading lever up and down, which, in conjunction with the unloading drive mechanism, rotates the unloading lever to accurately load the metal stents 900 into the magazine 802. This enables automated unloading of the metal stents 900, saving labor costs and facilitating the continuous feeding of the metal stents 900. Furthermore, the unloading mechanism 800 is compact, occupies little space, and does not interfere with the turnover of the metal stents 900 between various workstations.

[0062] Specifically, there are two unloading levers, namely a left lever 805 and a right lever 806. The unloading drive mechanism includes a unloading motor 804. A transmission mechanism is also provided between the unloading motor 804 and the left lever 805 and the right lever 806. The transmission mechanism includes a driving gear 807, a left gear 808, a right gear 809 and an idler wheel 810. The left gear 808 is correspondingly arranged on the left lever 805, and the right gear 809 is correspondingly arranged on the right lever 806. The driving gear 807 is connected to the output shaft of the unloading motor 804, and the driving gear 807 is engaged with the left gear 808 through the idler wheel 810, and the driving gear 807 is engaged with the right gear 809. In order to improve the processing efficiency of the metal bracket 900, each workstation platform 301 can have two workpiece positions for placing the metal bracket 900. Two levers can be set for the two metal brackets 900, namely the left lever 805 and the right lever 806, and the transmission mechanism is used to realize the different rotation directions of the left lever 805 and the right lever 806, so that both metal brackets 900 can be pushed into the material box 802. The reasonable configuration of the transmission mechanism not only realizes the effective transmission of power, but also ensures the stability and reliability of the transmission.

[0063] The support spindle 601 is provided with a spindle nut 602, which can restrain the gas distribution valve 501 and the sliding sleeve 502 on the support spindle 601. The spindle nut 602 is threadedly connected to the support spindle 601, so that the gas distribution valve 501 and the sliding sleeve 502 can be firmly restrained on the support spindle 601, preventing loosening and displacement during operation, and further improving the stability and reliability of the feeding device.

[0064] The power spindle is keyed to the sheave lever 402. The sheave lever 402, as a driving component, is keyed to the power spindle, ensuring efficient power transmission and precise rotation. This allows the sheave lever 402 to accurately respond to the rotation of the power spindle, thereby shifting the working turntable 200.

[0065] The unloading rack 801 is connected to the workbench 100 via an unloading guide mechanism. This mechanism includes a pair of unloading rails 811, with corresponding unloading sliders positioned on either side of the unloading rack 801. The unloading rack 801 is mounted on the workbench 100 via the unloading guide mechanism, which guides and limits the unloading rack 801's movement, further enhancing the smoothness and precision of its vertical movement. This mechanism also reduces radial stress on the unloading drive cylinder 803, extending its service life and ensuring smoother and more stable unloading of the metal bracket 900.

[0066] The metal bracket automatic feeding device can be used for marking processing and production of metal bracket 900, such as Figure 18 and Figure 19As shown, it is used to feed the marking of the metal bracket 900. At this time, the station includes a blanking station 1004 and a non-blanking station. The non-blanking station includes a loading station 1001, a processing station 1002 and a drying station 1003. In the process of marking the metal bracket 900, the processing station 1002 is a station where the pad printing machine 1100 marks the metal bracket 900. The non-blanking station also includes a transition station 1005 arranged between the loading station 1001, the processing station 1002 and the drying station 1003. The working turntable 200 rotates between the various stations under the action of the turntable driving mechanism 400. The shape, specification and weight of the metal bracket 900 to be marked, the positioning position and adsorption force of the metal bracket 900 are adjusted, and the metal bracket 900 is placed on the work station platform 301 corresponding to the loading station 1001 by the manipulator 1200 or manually. The vacuum mechanism 500 is activated to adsorb the metal bracket 900 on the work station platform 301, and the turntable drive mechanism 400 is activated. The working turntable 200 rotates to drive the work station platform 301 to rotate to the next station. The groove wheel lever 402 of the turntable drive mechanism 400 realizes a transfer each time it is activated. When the metal bracket 900 is transferred to the processing station 1002, the locking positioning mechanism 700 is activated, and the locking cam 702 is inserted. The working turntable 200 is locked to the turntable groove 2011, and the pad printing machine 1100 can mark the metal bracket 900. After the metal bracket 900 is marked, the locking positioning mechanism 700 is reset, and the working turntable 200 continues to rotate under the action of the groove wheel lever 402. The marked metal bracket 900 is transferred to the next station. When the marked metal bracket 900 is transferred to the drying station 1003, the mark on the metal bracket 900 is dried by the drying mechanism. The drying mechanism can use an ultraviolet lamp. The dried metal bracket 900 continues to transfer to the next station. When the dried metal bracket 900 is transferred to the unloading station 1004, the unloading drive The cylinder 803 is actuated, the unloading lever is moved upward, the unloading motor 804 is actuated, and the unloading lever is rotated to transfer the dried metal bracket 900 into the material box 802; a plurality of bracket positioning mechanisms 300 are arranged on the automatic feeding device of the metal bracket. After the previous bracket positioning mechanism 300 is loaded, it will move to the next station, and the next bracket positioning mechanism 300 will move to the loading station 1001 to continue loading. Each bracket positioning mechanism 300 automatically rotates between each station, and can complete the stable positioning, marking, drying and automatic unloading of the metal bracket 900, ensuring the continuous operation of the automatic feeding device of the metal bracket and improving the automatic feeding efficiency of the metal bracket 900.

[0067] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A metal bracket automatic feeding device, comprising a workbench (100), characterized in that: The workbench (100) is provided with a working turntable (200), a plurality of bracket positioning mechanisms (300) and an exhaust mechanism (500); the working turntable (200) is rotatably arranged on the workbench (100); the working turntable (200) can drive the metal bracket (900) to rotate to each work station under the action of the turntable driving mechanism (400); the plurality of bracket positioning mechanisms (300) are evenly distributed circumferentially on the workbench (100); the exhaust mechanism (500) is used to adsorb and fix the metal bracket (900) on the bracket positioning mechanism (300); The support positioning mechanism (300) comprises a work platform (301), the work platform (301) being provided with a positioning block (302) for positioning the metal support (900) and an air suction hole (3011) for adsorbing the metal support (900), an air passage being provided in the work platform (301), one end of the air passage being connected to the air suction hole (3011), and the other end being connected to the air extraction pipe (505) of the air extraction mechanism (500); The turntable drive mechanism (400) comprises a driving cam (403), a sheave lever (402), a power main shaft, a turntable drive motor (401) and a plurality of driven sheaves (404), wherein the plurality of driven sheaves (404) are respectively arranged at the bottom of the working turntable (200) and are arranged corresponding to the bracket positioning mechanism (300), an output shaft of the turntable drive motor (401) is connected to the power main shaft, one end of the sheave lever (402) is connected to the power main shaft, and a driving cam (403) is provided on the other end, and the driving cam (403) can be engaged with the groove of the driven sheave (404) to drive the working turntable (200) to rotate; The machine also includes a blanking mechanism (800) arranged on the workbench (100), the blanking mechanism (800) including a blanking frame (801), a blanking lever arranged on the blanking frame (801), a blanking drive mechanism for driving the blanking lever to rotate, and a blanking drive cylinder (803) for driving the blanking lever to move up and down, the piston rod of the blanking drive cylinder (803) being connected to the blanking frame (801), a lever lifting slot (2012) for the blanking lever to pass through being provided on the working turntable (200), the blanking lever passing through the lever lifting slot (2012) under the action of the blanking drive cylinder (803), and under the action of the blanking drive mechanism, the blanking lever is rotated to push the metal bracket (900) into the material box (802) arranged on the workbench (100); The blanking lever is provided with two, namely a left lever (805) and a right lever (806). The blanking drive mechanism includes a blanking motor (804). A transmission mechanism is further provided between the blanking motor (804) and the left lever (805) and the right lever (806). The transmission mechanism includes a driving gear (807), a left gear (808), a right gear (809) and an idler wheel (810). The left gear (808) and the right gear (809) are respectively provided on the left lever (805) and the right lever (806). The driving gear (807) is connected to the output shaft of the blanking motor (804). The driving gear (807) is meshed with the left gear (808) through the idler wheel (810), and the driving gear (807) is meshed with the right gear (809).

2. The automatic metal bracket feeding device according to claim 1, characterized in that: A supporting spindle (601) is provided at the center of the workbench (100), a spindle bearing seat (603) is sleeved on the outer side of the supporting spindle (601), and the working turntable (200) is connected to the spindle bearing seat (603).

3. The automatic metal bracket feeding device according to claim 2, characterized in that: The air extraction mechanism (500) comprises an air distribution valve (501), a sleeve (502), a main air pipe (503), an air extraction fan (504) and the air extraction pipe (505); a countersunk hole (6011) and at least one radial axial hole (6012) communicating with the countersunk hole (6011) are provided on the supporting main shaft (601); one end of the main air pipe (503) is communicated with the countersunk hole (6011), and the other end is connected to the air extraction fan (504); the air distribution valve (501) is sleeved on the supporting main shaft (601); and the air distribution valve (501) is provided with an air distribution groove (5011). and a plurality of air distribution holes (5012), the workstations include a blanking workstation (1004) and a plurality of non-blanking workstations, the air distribution groove (5011) and the plurality of air distribution holes (5012) are correspondingly arranged at the positions of the non-blank workstations, the sliding sleeve (502) is slidingly sleeved on the outside of the air distribution valve (501), the sliding sleeve (502) is provided with a plurality of air extraction holes (5021), the plurality of air extraction holes (5021) are correspondingly arranged with the bracket positioning mechanism (300), and the air extraction holes (5021) are connected to the workstation platform (301) through the air extraction pipe (505).

4. The automatic metal bracket feeding device according to claim 1, characterized in that: The air extraction pipe (505) is further provided with a regulating valve (506).

5. The automatic feeding device for metal brackets according to claim 1, characterized in that: The workstation platform (301) is further provided with a positioning groove (3012) for positioning the metal bracket (900), and the air suction hole (3011) is arranged at the positioning groove (3012).

6. The automatic feeding device for metal brackets according to any one of claims 1 to 5, characterized in that: The positioning block (302) is arranged on the workstation platform (301) through a position adjustment mechanism. The position adjustment mechanism includes a movable long hole (3013) arranged on the workstation platform (301), an adjustment bolt (303) capable of moving along the length direction of the movable long hole (3013), and an adjustment nut (304) arranged at the rod end of the adjustment bolt (303). The adjustment nut (304) is a square nut. The width direction of the adjustment nut (304) is smaller than the width of the movable long hole (3013), and the length direction of the adjustment nut (304) is larger than the width of the movable long hole (3013).

7. The automatic feeding device for metal brackets according to any one of claims 1 to 5, characterized in that: The invention also includes a locking and positioning mechanism (700) for positioning the working turntable (200), wherein the locking and positioning mechanism (700) includes a locking slide (701), a locking cam (702) provided on the locking slide (701), and a locking cylinder (703) for driving the locking slide (701) to move radially. The working turntable (200) is provided with a plurality of turntable grooves (2011) capable of engaging with the locking cam (702).

8. The automatic metal bracket feeding device according to claim 7, characterized in that: The locking and positioning mechanism (700) further comprises a locking bracket (704), wherein the locking bracket (704) is arranged on the workbench (100), and the locking slide (701) is slidably arranged on the locking bracket (704) via a locking guide rail (705).

Images