CN113500250B - Saw cutting device for brake shoe - Google Patents

Abstract

The invention discloses a brake horseshoe sawing device which comprises a workbench and a sawing machine arranged at the upper end of the workbench, wherein a mounting plate is arranged on the workbench, a supporting plate is arranged on the mounting plate, mounting frames are respectively arranged on two sides of the upper end surface of the supporting plate, a mounting shaft is horizontally and rotatably arranged on each mounting frame, a limiting block is arranged on each mounting shaft, a half-moon-shaped limiting notch for clamping a horseshoe blank is formed in each limiting block, a pressing mechanism is arranged on each limiting block, and a control mechanism capable of driving the two mounting shafts to rotate is arranged on the workbench. Through utilizing the installation axle to drive corresponding stopper and rotate to when making the port of spacing breach downwards, the finished product horseshoe can be followed and is dropped automatically in the corresponding spacing breach, thereby realizes the automatic discharge of finished product horseshoe, and this design need not the producer and unloads to the finished product horseshoe is manual, effectively reduces the risk that the producer hand was scalded to the finished product horseshoe, thereby has good protection effect to producers.

Description

Saw cutting device for brake shoe

Technical Field

The invention relates to the field of saw cutting devices, in particular to a saw cutting device for a brake shoe.

Background

The brake shoe is also called a brake shoe, is an accessory which is pushed outwards by the action of a brake cam or a push rod to expand a brake drum to play a braking role, and is an important component of the brake, and the shape of the accessory is half-moon-shaped.

In the related art, when the brake shoe is produced, an annular shoe blank is usually produced, the shoe blank is placed on a sawing machine, then a saw blade on the sawing machine is controlled to move by using a main body of the sawing machine, and the saw blade is driven to move downwards by using the main body of the sawing machine. Subsequently, the saw blade can saw cut the link of horseshoe stock both sides simultaneously to make the horseshoe stock saw cut into two finished product horseshoes, and then realize the production of braking horseshoe. And then, the saw blade is driven to reset through the sawing machine main body, and then production personnel can take the two finished horseshoes down from the sawing machine respectively, so that the discharging operation of the finished horseshoes is realized.

In view of the above-mentioned related technologies, after the finished shoe is sawed, the cut position of the finished shoe is relatively hot. When the finished shoe is taken off from the sawing machine by a manufacturer, the hand of the manufacturer is easily scalded by the finished shoe, so that the personal safety of the manufacturer is affected and needs to be improved.

Disclosure of Invention

The invention aims to provide a sawing device for brake shoes, which has the effect of reducing the influence on the personal safety of production personnel.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a saw cut device of brake horseshoe, include the workstation with set up in the sawing machine of workstation upper end, be provided with the mounting panel on the workstation, the upper end of mounting panel sets up the backup pad, the both sides position of backup pad up end is provided with the mounting bracket respectively, saw blade on the sawing machine can move to two between the mounting bracket, every equal level rotation is provided with installation axle, every on the mounting bracket all be provided with the stopper, every all set up the spacing breach that supplies the semilune that horseshoe stock card goes into on the stopper, every all be provided with on the stopper and compress tightly the horseshoe stock corresponding compressing mechanism in the spacing breach, be provided with on the workstation and drive two installation axle pivoted control mechanism.

By adopting the technical scheme, when the brake shoe needs to be produced, the shoe blank is clamped into the two limiting notches, and the shoe blank is pressed in the corresponding limiting notches by the two pressing mechanisms respectively, so that the shoe blank is fixed. At the moment, the connecting ends on the two sides of the horseshoe blank are respectively positioned under the saw blades on the sawing machine, and then the connecting ends on the two sides of the horseshoe blank are cut off by the sawing machine to obtain two finished horseshoes. Subsequently, two hold-down mechanism are opened respectively, then drive two installation axles through control mechanism and drive corresponding finished product horseshoe and rotate, when the port of two spacing breach was respectively downwards, the finished product horseshoe can drop from corresponding spacing breach to realize the automatic operation of unloading of finished product horseshoe. And then, the mounting shaft drives the corresponding limiting blocks to reset, and then new horseshoe blanks can be clamped into the two limiting notches again. And then, after the finished horseshoe is naturally cooled, the finished horseshoe can be collected by production personnel. This design need not the producer and unloads by hand to the finished product horseshoe, effectively reduces the risk that the finished product horseshoe scalded producer hand to production personnel have good protection effect.

The invention is further provided with: the pressing mechanism comprises pressing plates hinged to each limiting block and hydraulic cylinders hinged to each limiting block, and piston ends of the hydraulic cylinders are hinged to the corresponding pressing plates.

Through adopting above-mentioned technical scheme, back in two spacing notches are gone into to the horseshoe blank card, the corresponding pressure strip upset of piston end drive through two pneumatic cylinders respectively to make the pressure strip keep away from the one end of corresponding pneumatic cylinder and support tight horseshoe blank, can realize the compressing tightly of horseshoe blank fixed. Through setting up simple structure, simple operation's hold-down mechanism, realize the quick fixed of horseshoe blank to improve production efficiency.

The invention is further provided with: the mounting panel horizontal slip set up in on the workstation, be provided with the conveyer belt on the workstation, the motion initiating terminal of conveyer belt can be located two the below of stopper, be provided with on the workstation and be used for the drive the electric putter of mounting panel motion.

Through adopting above-mentioned technical scheme, accomplish when the horseshoe blank and saw cut the back, drive the direction motion of components such as backup pad, installation axle and stopper orientation keeping away from the sawing machine through electric putter drive mounting panel to make the conveyer belt be located between backup pad and two installation axles, and two stoppers are located the top of the motion initiating terminal of conveyer belt respectively. Afterwards, drive corresponding stopper through the installation axle and rotate, then the finished product horseshoe can drop to the conveyer belt automatically, and immediately, the conveyer belt can be transported finished product horseshoe to the required position of production personnel. The design can realize automatic transportation and directional conveying of finished horseshoes, so that production personnel can collect the finished horseshoes conveniently. Meanwhile, in the process of conveying the finished horseshoes by the conveyor belt, the finished horseshoes can be naturally cooled, so that when production personnel collect the finished horseshoes at the motion termination end of the conveyor belt, the temperature of the finished horseshoes can be reduced as far as possible, and the risk that the hands of the production personnel are scalded by the finished horseshoes is further reduced.

The invention is further configured as follows: two sides of the workbench are respectively provided with a support bar, the two installation shafts are both positioned between the two support bars, the control mechanism comprises a first gear arranged on one of the mounting shafts, a second gear arranged on the other mounting shaft and a rack horizontally arranged on each supporting rod, a transmission gear is rotatably arranged on the mounting rack provided with the second gear, the transmission gear is meshed with the second gear, the first gear and the transmission gear can be respectively meshed with the corresponding racks, when the two limit blocks are respectively positioned above the motion starting end of the conveyor belt, the ports of the two limit notches are respectively in a downward state, when the two limiting blocks are symmetrically distributed on two sides of the saw blade on the sawing machine, the ports of the two limiting notches are respectively in an upward state.

Through adopting above-mentioned technical scheme, when the mounting panel drove the backup pad and the installation axle moves towards the direction of keeping away from the sawing machine, first gear and drive gear drive corresponding installation axle rotation under the drive of corresponding rack. When the two limiting blocks are respectively positioned above the motion starting end of the conveyor belt, the ports of the two limiting notches are respectively in a downward state, so that the finished horseshoe automatically falls onto the conveyor belt. When the mounting plate drives the support plate and the mounting shaft to move towards the sawing machine, the first gear and the transmission gear drive the corresponding mounting shaft to rotate reversely under the driving of the corresponding rack. When the two limiting blocks are symmetrically distributed on two sides of a saw blade on the sawing machine, the ports of the two limiting notches are in an upward state respectively, and then a producer can clamp the horseshoe blank into the two limiting notches. Through setting up simple structure, simple operation, the stable control mechanism of drive effect, realize installing quick, the steady rotation of axle to the work efficiency when the operation of unloading is carried out to the finished product horseshoe is improved. Meanwhile, in the process that the mounting plate moves towards the conveying belt, the self-fixed rotation of the mounting shaft can be realized, the linkage between each part can be improved, and the resource utilization efficiency can be improved.

The invention is further provided with: the backup pad with the mounting panel is connected through a plurality of telescopic links, be provided with on the mounting panel and drive the cylinder of backup pad vertical motion, every all be provided with the guide block on the stopper, be provided with two installation poles on the workstation, every all be provided with on the installation pole and supply correspondingly the vertical guided way that slides of guide block, work as two the guide block is respectively from corresponding when deviating from the lower extreme of guided way, first gear and drive gear respectively with corresponding rack toothing.

Through adopting above-mentioned technical scheme, accomplish to compress tightly fixed back when the horseshoe blank, drive the backup pad through the cylinder and drive subassembly upward movement such as installation axle, stopper and guide block. At this moment, two guide blocks respectively along the vertical slip of corresponding guided way to realize that the stopper is injectd along the position of installation axle circumferential direction, avoid the horseshoe blank to saw cut the in-process to take place to rotate, and then improve the stability in use of saw cutting the device. After the horseshoe blank is sawed, the supporting plate is driven by the air cylinder to drive the mounting shaft, the limiting block, the guide block and other components to move downwards and reset. At the moment, the first gear and the transmission gear are respectively meshed with the corresponding racks, then the components such as the supporting plate and the like can be driven to move towards the direction of the conveying belt through the mounting plate, and the finished horseshoes are unloaded. Through mutually supporting of guide block and guided way, realize that the stopper is injectd along the position of the circumferential direction of corresponding installation axle, avoid the horseshoe blank to saw cut the in-process to take place to rotate, and then improve the stability in use of saw cutting the device.

The invention is further configured as follows: the automatic shoe-making machine is characterized in that a fixing frame is arranged on the workbench, a water tank is arranged at the upper end of the fixing frame, a pedal type inflator pump is arranged on the side wall of the fixing frame, an air inlet port of the inflator pump is connected with the water tank, an air outlet port of the inflator pump is connected with two nozzles, the cold water sprayed out of the nozzles can respectively impact connecting ends of two sides of a shoe blank, and a control block capable of extruding the inflator pump is arranged on the supporting plate.

By adopting the technical scheme, when the supporting plate drives the control block to move upwards, the control block extrudes the inflator pump, and then cold water in the inflator pump is sprayed out through the two nozzles and impacts the connecting ends on the two sides of the horseshoe blank. At this moment, when the saw blade on the sawing machine saw cut the link of horseshoe blank both sides, spun cold water can cross and cool off the saw blade in the nozzle to prevent that the saw blade is overheated, and then improve the stability in use and the life of saw blade. Simultaneously, this design can also realize the cooling capacity to the notched cooling in finished product horseshoe both sides to realize the rapid cooling of finished product horseshoe, and then make things convenient for the rapid collection of producers to finished product horseshoe. When the support plate drives the control block to move downwards, the inflator can reset under the action of self elasticity, negative pressure is formed inside the inflator, and then cold water in the water tank can enter the inflator again through the air inlet port of the inflator, so that automatic supply of the cold water is realized. The design is ingenious, the supporting plate is utilized to drive the control block to vertically move, and the extrusion of the inflator pump can be achieved, so that the inflator pump does not need other extrusion devices, the resource utilization efficiency can be improved, and the linkage between all the parts can be improved.

The invention is further provided with: the lower extreme of inflator pump is provided with the confession the board is accepted to the control block butt, accept the board with be provided with a plurality of drives between the mount accept the board downstream spring.

Through adopting above-mentioned technical scheme, when the backup pad drove the control block upward movement, the control panel promotes to accept the board upward movement and makes the inflator pump take place compression deformation, and at this moment, a plurality of springs are in compression state. When the backup pad drove the control block downstream, a plurality of springs can promote jointly and accept the board downstream to make the gas cylinder can be quick, fully reset under the combined operation of self elasticity and the pulling force of accepting the board, thereby improve the stability in use of gas cylinder.

The invention is further provided with: the iron shoe machining device is characterized in that two fixing rods are arranged on the workbench, two magnets are arranged on the side wall of the upper end of each fixing rod, the magnets are located on the same fixing rods and distributed on two sides of a saw blade on the sawing machine, and iron scraps on connecting ends of two sides of a shoe blank can be sucked.

Through adopting above-mentioned technical scheme, absorb through utilizing magnet to the iron fillings on the link of horseshoe blank both sides to realize the directional collection of iron fillings, reduce the risk that iron fillings appear splashing, thereby improve the practicality.

The invention is further provided with: four scrapers are arranged on the supporting plate and can be abutted against the side wall of one side, close to the horseshoe blank, of the corresponding magnet.

Through adopting above-mentioned technical scheme, when the backup pad drove four scraper blade vertical motion, the scraper blade can scrape the both ends position to magnet with the iron fillings on corresponding magnet surface, reduces iron fillings and piles up the risk on magnet surface to guarantee the absorption effect of magnet to iron fillings, and then improve the practicality. Meanwhile, the support plate is utilized to drive the scraper to vertically move, so that when the support plate normally vertically moves, the surface of the magnet can be cleaned, linkage between each component can be improved, and resource utilization efficiency can be improved.

The invention has the beneficial effects that:

1. the corresponding limiting blocks are driven to rotate by the mounting shafts, and when the ports of the limiting notches face downwards, finished horseshoes can automatically fall from the corresponding limiting notches, so that automatic discharging of the finished horseshoes is achieved;

2. through the mutual matching of the guide block and the guide rail, the position of the limiting block along the circumferential direction of the corresponding mounting shaft is limited, the shoe blank is prevented from rotating in the process of sawing, and the use stability of the sawing device is improved;

3. iron fillings on the link through utilizing magnet to shoe blank both sides are absorb to realize the directional collection of iron fillings, reduce the risk that iron fillings appear splashing, thereby improve the practicality.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of the sawing machine removed in the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a control mechanism in the embodiment of the present application.

FIG. 4 is a partial cross-sectional view of a stop block in an embodiment of the present application.

Fig. 5 is a schematic structural diagram of components such as a support plate and a stopper in the embodiment of the present application.

Fig. 6 is a schematic structural diagram of components such as a support plate and a water tank in the embodiment of the present application.

In the figure, 1, a workbench; 2. sawing; 3. mounting a plate; 4. a mounting frame; 5. installing a shaft; 6. a limiting block; 7. a limiting notch; 8. a hold-down mechanism; 81. a compression plate; 82. a hydraulic cylinder; 9. a control mechanism; 91. a first gear; 92. a second gear; 93. a rack; 10. an electric push rod; 11. a conveyor belt; 12. a support bar; 13. a transmission gear; 14. a telescopic rod; 15. a cylinder; 16. a guide block; 17. a guide rail; 18. fixing the rod; 19. a magnet; 20. a squeegee; 21. a fixed mount; 22. a water tank; 23. an inflator; 24. a nozzle; 25. a bearing plate; 26. a control block; 27. a spring; 28. a support plate; 29. and (5) installing a rod.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments.

Referring to fig. 1 and 2, the brake shoe sawing device comprises a workbench 1, a sawing machine 2 is arranged at the upper end of the workbench 1, a mounting plate 3 is horizontally arranged on the workbench 1, and a supporting plate 28 is arranged on the upper end face of the mounting plate 3. The mounting brackets 4 are fixedly connected to the two sides of the upper end surface of the supporting plate 28, and the saw blade on the sawing machine 2 can move between the two mounting brackets 4.

Referring to fig. 1 and 3, each mounting frame 4 is horizontally provided with a mounting shaft 5, and the side wall of each mounting shaft 5 is fixedly connected with a limiting block 6. Each limiting block 6 is provided with a half-moon-shaped limiting notch 7 for clamping the horseshoe blank so as to realize the rapid positioning of the horseshoe blank. Meanwhile, when the shoe blanks are clamped into the two limiting notches 7, the two limiting blocks 6 can be symmetrically distributed on two sides of the saw blade on the sawing machine 2, and the connecting ends on two sides of the shoe blanks are respectively positioned right below the saw blade.

Referring to fig. 3 and 4, each limiting block 6 is provided with a pressing mechanism 8 capable of pressing the shoe blank in the corresponding limiting notch 7, so as to realize pressing and fixing of the shoe blank. The pressing mechanism 8 comprises a pressing plate 81 hinged to the upper end of each limiting block 6, the upper end face of each limiting block 6 is hinged to a hydraulic cylinder 82, and the piston end of each hydraulic cylinder 82 is hinged to one end portion of the corresponding pressing plate 81. When the piston end of the hydraulic cylinder 82 extends, the corresponding pressing plate 81 can be turned over, and one end of the pressing plate 81 far away from the corresponding hydraulic cylinder 82 presses the shoe blank.

Referring to fig. 1 and 3, the two mounting shafts 5 are horizontally and rotatably disposed on the corresponding mounting brackets 4, respectively, and the table 1 is provided with a control mechanism 9 capable of driving the two mounting shafts 5 to rotate.

When the shoe blank is sawed and the two pressing plates 81 are respectively separated from the finished shoe, the control mechanism 9 drives the two mounting shafts 5 to drive the corresponding finished shoe to rotate, and when the ports of the two limiting notches 7 are respectively downward, the finished shoe can fall from the corresponding limiting notches 7, so that the automatic discharging operation of the finished shoe is realized.

Referring to fig. 1 and 2, a mounting plate 3 is horizontally slidably provided on the table 1, and the mounting plate 3 is movable toward or away from the sawing machine 2. The upper end fixedly connected with electric putter 10 of workstation 1, electric putter 10's flexible end and mounting panel 3 fixed connection to the horizontal motion for mounting panel 3 provides stable drive power.

Referring to fig. 2 and 3, the upper end of the working table 1 is provided with a conveyor belt 11, when the mounting plate 3 drives the mounting shaft 5 and the supporting plate 28 to move toward the conveyor belt 11, the movement starting end of the conveyor belt 11 can be located between the mounting shaft 5 and the supporting plate 28, and the two limiting blocks 6 can be located right above the movement starting end of the conveyor belt 11.

After the horseshoe blank is sawed, the electric push rod 10 drives the mounting plate 3 to drive the supporting plate 28, the mounting shafts 5, the limiting blocks 6 and other components to move towards the direction far away from the sawing machine 2, so that the conveyor belt 11 is located between the supporting plate 28 and the two mounting shafts 5, and the two limiting blocks 6 are located above the movement starting end of the conveyor belt 11 respectively. Subsequently, drive corresponding stopper 6 through installation axle 5 and rotate, then the finished product horseshoe can drop to conveyer belt 11 automatically on, and immediately, conveyer belt 11 can transport the finished product horseshoe to the required position of production personnel to the realization is carried with directional the automatic transportation to the finished product horseshoe.

Referring to fig. 2 and 3, support rods 12 are respectively and fixedly connected to two sides of the upper end surface of the worktable 1, and the two mounting shafts 5 are located between the two support rods 12. The control mechanism 9 includes a rack 93 horizontally and fixedly connected to the upper end of each support rod 12, wherein a first gear 91 is fixedly sleeved on the end of one of the mounting shafts 5, and a second gear 92 is fixedly sleeved on the end of the other mounting shaft 5 far away from the first gear 91. The side wall of the mounting frame 4 provided with the second gear 92 is rotatably connected with a transmission gear 13, and the transmission gear 13 is meshed with the second gear 92, and at the same time, the first gear 91 and the transmission gear 13 can be respectively meshed with the corresponding racks 93.

When the mounting plate 3 drives the supporting plate 28 and the mounting shaft 5 to move away from the sawing machine 2, the first gear 91 and the transmission gear 13 drive the corresponding mounting shaft 5 to rotate under the driving of the corresponding rack 93. When the two limit blocks 6 are respectively located above the motion starting end of the conveyor belt 11, the ports of the two limit notches 7 are respectively in a downward state, so that the finished horseshoe can automatically fall onto the conveyor belt 11.

When the mounting plate 3 carries the support plate 28 and the mounting shaft 5 in the direction of the sawing machine 2, the first gear 91 and the transmission gear 13 are driven by the respective gear rack 93 to rotate the respective mounting shaft 5 in the opposite direction. When the two limiting blocks 6 are symmetrically distributed on two sides of the saw blade on the sawing machine 2, the ports of the two limiting notches 7 are respectively in an upward state, so that production personnel can clamp new horseshoe blanks into the two limiting notches 7.

Referring to fig. 3, the supporting plate 28 is connected to the mounting plate 3 through a plurality of telescopic rods 14, the upper end surface of the mounting plate 3 is fixedly connected to the cylinder 15, and the piston end of the cylinder 15 is fixedly connected to the supporting plate 28, so as to provide a stable driving force for the vertical movement of the supporting plate 28.

Referring to fig. 3 and 5, the side wall of each limiting block 6 is fixedly connected with a guide block 16, the upper end surface of the workbench 1 is fixedly connected with two mounting rods 29 vertically, and the side wall of each mounting rod 29 is fixedly connected with a guide rail 17 for the corresponding guide block 16 to slide vertically. Meanwhile, when the two guide blocks 16 are respectively escaped from the lower ends of the corresponding guide rails 17, the first gear 91 and the transfer gear 13 are respectively engaged with the corresponding racks 93.

After the horseshoe blank is compressed and fixed, the supporting plate 28 is driven by the air cylinder 15 to drive the mounting shaft 5, the limiting block 6, the guide block 16 and other components to move upwards. At this moment, two guide blocks 16 respectively along corresponding guided way 17 vertical slip to realize stopper 6 and follow the position of installation axle 5 circumferential direction and prescribe a limit to, avoid the horseshoe blank to saw cut the in-process to take place to rotate.

Referring to fig. 2 and 5, fixing rods 18 are vertically and fixedly connected to both side positions of the upper end surface of the table 1, respectively, and two magnets 19 are fixedly connected to the upper end side wall of each fixing rod 18.

Referring to fig. 1 and 5, two magnets 19 located on the same fixing rod 18 are symmetrically distributed on two sides of a saw blade on the sawing machine 2 and can absorb iron chips on connecting ends on two sides of a shoe blank, so that the iron chips are directionally collected, and the splashing risk of the iron chips is reduced.

Referring to fig. 5, four scrapers 20 are fixedly connected to the upper end surface of the support plate 28, the four scrapers 20 correspond to the four magnets 19 one by one, and the scrapers 20 can abut against the side walls of the corresponding magnets 19 on the side close to the shoe blank. When backup pad 28 drove four scraper blades 20 vertical motion, scraper blade 20 can scrape the iron fillings on corresponding magnet 19 surface to the both ends position of magnet 19, reduces iron fillings and piles up the risk on magnet 19 surface to guarantee the effect of absorbing of magnet 19 to iron fillings.

Referring to fig. 2 and 6, a fixing frame 21 is fixedly connected to an upper end surface of the working table 1, a water tank 22 with an upper end open is fixedly connected to the upper end surface of the fixing frame 21, a pedal inflator 23 is fixedly connected to a side wall of the fixing frame 21, and a check valve is respectively arranged in an air inlet port and an air inlet port of the inflator 23. An intake port of the inflator 23 is connected to the water tank 22 so that cold water in the water tank 22 can enter the inside of the inflator 23 through the intake port of the inflator 23.

Referring to fig. 1 and 6, two nozzles 24 are connected to an exhaust port of the inflator 23, and cold water sprayed from the two nozzles 24 can respectively impact the connecting ends on two sides of the shoe blank, so as to cool the saw blade on the sawing machine 2 and the connecting ends on two sides of the shoe blank. Meanwhile, the lower end surface of the inflator 23 is horizontally and fixedly connected with the receiving plate 25, and the support plate 28 is provided with a control block 26 capable of pushing the receiving plate 25 to move upward.

When the support plate 28 drives the control block 26 to move upwards, the control block 26 pushes the receiving plate 25 to move upwards, then the receiving plate 25 extrudes the inflator 23, so that the cold water in the inflator 23 is sprayed out through the two nozzles 24, and then the cold water sprayed out from the nozzles 24 impacts the connecting ends on the two sides of the horseshoe blank and the saw blade on the sawing machine 2.

When the support plate 28 drives the control block 26 to move downward, the inflator 23 is reset under the action of its own elasticity, and negative pressure is formed inside the inflator 23. Then, the cold water in the water tank 22 can enter the inflator 23 again through the air inlet port of the inflator 23, and the automatic supply of the cold water is further realized.

Referring to fig. 6, a plurality of springs 27 are disposed between the upper end surface of the receiving plate 25 and the inner wall of the upper end of the fixing frame 21, one end of each spring 27 is fixedly connected to the inner wall of the upper end of the fixing frame 21, the other end of each spring 27 is fixedly connected to the receiving plate 25, and the plurality of springs 27 can jointly drive the receiving plate 25 to move downward. When the support plate 28 drives the control block 26 to move downwards, the springs 27 can jointly push the bearing plate 25 to move downwards, so that the inflator 23 can be quickly and fully reset under the joint action of the self elasticity and the pulling force of the bearing plate 25.

The implementation principle of the application is as follows: when the brake shoe needs to be produced, the shoe blank is clamped into the two limiting notches 7, then the corresponding pressing plates 81 are driven to turn over through the piston ends of the two hydraulic cylinders 82 respectively, and one ends, far away from the corresponding hydraulic cylinders 82, of the pressing plates 81 abut against the shoe blank, so that the shoe blank is pressed and fixed. Subsequently, the connecting ends on both sides of the shoe blank are sawed by the sawing machine 2, and at this time, the iron pieces on the connecting ends on both sides of the shoe blank are sucked by the four magnets 19. Meanwhile, the supporting plate 28 is driven by the air cylinder 15 to drive the mounting shaft 5, the limiting block 6, the guide blocks 16, the horseshoe blank and other components to move upwards, and the two guide blocks 16 respectively slide vertically along the corresponding guide rails 17.

At this time, when the support plate 28 drives the control block 26 to move upward, the control block 26 pushes the receiving plate 25 to move upward, then the receiving plate 25 extrudes the inflator 23, and the cold water in the inflator 23 is sprayed out through the two nozzles 24, and then the cold water sprayed out from the nozzles 24 impacts the connecting ends on the two sides of the shoe blank and the saw blade on the sawing machine 2, so as to cool the connecting ends on the two sides of the shoe blank and the saw blade on the sawing machine 2. At the same time, the support plate 28 drives the four scrapers 20 to move vertically, and then the scrapers 20 can scrape the iron pieces on the surfaces of the corresponding magnets 19 to the upper end positions of the magnets 19.

When the shoe blank is sawed and two finished shoes are obtained, the supporting plate 28 is driven by the air cylinder 15 to drive the mounting shaft 5, the limiting block 6, the guide block 16, the finished shoes and other components to move downwards. Then, the two guide blocks 16 are disengaged from the lower ports of the corresponding guide rails 17, respectively, and at the same time, the first gear 91 and the transmission gear 13 are engaged with the corresponding racks 93, respectively. At the same time, the support plate 28 drives the control block 26 to move downwards, then the springs 27 can jointly push the bearing plate 25 to move downwards, and then the inflator 23 is reset under the joint action of the self elasticity and the pulling force of the bearing plate 25, so that negative pressure is formed inside the inflator 23. The cold water in the tank 22 can then be re-introduced into the inflator 23 through the inlet port of the inflator 23.

Subsequently, the corresponding pressing plate 81 is driven to turn over by the piston ends of the two hydraulic cylinders 82, and the end of the pressing plate 81 far away from the corresponding hydraulic cylinder 82 is separated from the corresponding finished shoe. Subsequently, the electric push rod 10 drives the mounting plate 3 to drive the components such as the support plate 28, the mounting shaft 5, the limiting block 6 and the finished shoe to move towards the direction away from the sawing machine 2. At this moment, the first gear 91 and the transmission gear 13 drive the corresponding mounting shaft 5 to rotate under the driving of the corresponding rack 93, when the two limit blocks 6 are respectively located above the movement starting end of the conveyor belt 11, the ports of the two limit notches 7 are respectively in a downward state, and then the finished shoe can automatically fall onto the conveyor belt 11 and be conveyed to a position required by a production worker by the conveyor belt 11.

Subsequently, the electric push rod 10 drives the mounting plate 3 to drive the supporting plate 28, the mounting shaft 5, the limiting block 6 and other components to move towards the sawing machine 2, and then the first gear 91 and the transmission gear 13 drive the corresponding mounting shaft 5 to rotate reversely under the driving of the corresponding rack 93. When the two limit blocks 6 are symmetrically distributed on two sides of the saw blade on the sawing machine 2, the ports of the two limit notches 7 are respectively in an upward state, and meanwhile, the two guide blocks 16 are respectively positioned right below the corresponding guide rails 17. Subsequently, the production personnel can block new horseshoe blank into two spacing breach 7, so reciprocal, can realize the serialization production of braking horseshoe.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Claims (6)

1. The utility model provides a saw cut device of brake shoe, includes workstation (1) and set up in sawing machine (2) of workstation (1) upper end, its characterized in that: the workbench (1) is provided with a mounting plate (3), the upper end of the mounting plate (3) is provided with a support plate (28), the two sides of the upper end surface of the supporting plate (28) are respectively provided with a mounting rack (4), saw blades on the sawing machine (2) can move to two positions between the mounting frames (4), each mounting frame (4) is horizontally and rotatably provided with a mounting shaft (5), each mounting shaft (5) is provided with a limiting block (6), each limiting block (6) is provided with a half-moon-shaped limiting notch (7) for clamping a horseshoe blank, each limiting block (6) is provided with a pressing mechanism (8) capable of pressing the horseshoe blank in the corresponding limiting notch (7), the workbench (1) is provided with a control mechanism (9) capable of driving the two mounting shafts (5) to rotate; the mounting plate (3) is horizontally arranged on the workbench (1) in a sliding mode, a conveying belt (11) is arranged on the workbench (1), the movement starting end of the conveying belt (11) can be located below the two limiting blocks (6), and an electric push rod (10) for driving the mounting plate (3) to move is arranged on the workbench (1); the two sides of the workbench (1) are respectively provided with a support rod (12), the two installation shafts (5) are both positioned between the two support rods (12), the control mechanism (9) comprises a first gear (91) arranged on one of the installation shafts (5), a second gear (92) arranged on the other installation shaft (5) and a rack (93) horizontally arranged on each support rod (12), the installation frame (4) provided with the second gear (92) is rotatably provided with a transmission gear (13), the transmission gear (13) is meshed with the second gear (92), the first gear (91) and the transmission gear (13) can be respectively meshed with the corresponding rack (93), when the two limit blocks (6) are respectively positioned above the movement starting end of the conveyor belt (11), the ports of the two limiting notches (7) are respectively in a downward state, and when the two limiting blocks (6) are symmetrically distributed on two sides of a saw blade on the sawing machine (2), the ports of the two limiting notches (7) are respectively in an upward state; backup pad (28) with mounting panel (3) are connected through a plurality of telescopic links (14), be provided with on mounting panel (3) and drive backup pad (28) vertical motion's cylinder (15), every all be provided with guide block (16) on stopper (6), be provided with two installation poles (29) on workstation (1), every all be provided with on installation pole (29) and supply corresponding guide rail (17) that guide block (16) vertically slided, work as two guide block (16) are respectively from corresponding when deviating from the lower extreme of guide rail (17), first gear (91) and drive gear (13) respectively with corresponding rack (93) meshing.

2. A brake shoe sawing device according to claim 1 wherein: the pressing mechanism (8) comprises pressing plates (81) hinged to each limiting block (6) and hydraulic cylinders (82) hinged to each limiting block (6), and piston ends of the hydraulic cylinders (82) are hinged to the corresponding pressing plates (81).

3. A brake shoe sawing device according to claim 1 wherein: be provided with on workstation (1) mount (21), the upper end of mount (21) is provided with water tank (22), the lateral wall of mount (21) is provided with pedal-operated inflator pump (23), the inlet port of inflator pump (23) with water tank (22) are connected, and the exhaust port is connected with two nozzles (24), two the link of horseshoe blank both sides can be strikeed respectively to spun cold water in nozzle (24), be provided with on backup pad (28) and extrude control block (26) of inflator pump (23).

4. A brake shoe sawing device according to claim 3 wherein: the lower end of the inflator pump (23) is provided with a bearing plate (25) for the control block (26) to abut against, and a plurality of springs (27) capable of driving the bearing plate (25) to move downwards are arranged between the bearing plate (25) and the fixing frame (21).

5. A brake shoe sawing device according to claim 1 wherein: be provided with two dead levers (18) on workstation (1), every the upper end lateral wall of dead lever (18) all is provided with two magnet (19), is located same two on dead lever (18) magnet (19) distribute in the both sides of the saw blade on sawing machine (2), and can absorb the iron fillings on the link of horseshoe blank both sides.

6. A brake shoe sawing device according to claim 5 wherein: four scrapers (20) are arranged on the supporting plate (28), and the scrapers (20) can be abutted against the corresponding side wall of the magnet (19) close to one side of the horseshoe blank.

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