An automatic polishing system for a one-piece hammer

Abstract

The application discloses a kind of automatic polishing system of connected hammer, including polishing mechanism, blanking device and electric control device, polishing mechanism is arranged in the two sides of blanking device, and polishing mechanism includes feeding table assembly, robot, abrasive belt machine and cover assembly, feeding table assembly and abrasive belt machine are respectively arranged in the two sides of robot, and feeding table assembly is equipped with several jigs, and the jig is reciprocatingly arranged on feeding table assembly to feed connected hammer, and the clamp assembly for clamping connected hammer is arranged on robot to move connected hammer to abrasive belt machine or blanking device, and several polishing components for polishing connected hammer are arranged on abrasive belt machine, and cover assembly is covered on the outside of feeding table assembly, robot and abrasive belt machine, and blanking device includes conveying component for conveying connected hammer and heating component for heating connected hammer, and electric control device is electrically connected with robot, abrasive belt machine, conveying component and heating component respectively.The polishing system of the application can realize automatic polishing of connected hammer.

Description

TECHNICAL FIELD

[0001] The present application relates to a polishing system, in particular to a connected hammer automatic polishing system. BACKGROUND

[0002] At present, most of the connected hammers in the industry still use the traditional manual polishing method. With the continuous increase of labor cost and the difficulty of recruiting polishers, the cost will only become higher and higher, and manual polishing is accompanied by unstable quality and production safety problems of polishers. In addition, there are also ways to polish connected hammers by robots, for example, Chinese patent document No. CN108908115B disclosed on September 10, 2019, a clamp for polishing connected hammers, including a connecting flange for connecting a robot, and a clamp bracket, a clamp block and a clamp cylinder; the clamp bracket and the connecting flange are assembled with each other, and the clamp bracket bottom is provided with a fixed clamping part; the middle part of the clamp block is hingedly arranged relative to the clamp bracket, and the bottom of the clamp block is provided with a movable clamping part corresponding to the fixed clamping part; the cylinder body of the clamp cylinder is fixedly arranged on the clamp bracket, and the piston rod of the clamp cylinder is drivingly connected to the top of the clamp block; during work, the piston rod of the clamp cylinder drives the top of the clamp block to move, and the clamp block swings around the middle hinge to make the fixed clamping part and the movable clamping part approach each other to clamp the connected hammer, or the fixed clamping part and the movable clamping part move away from each other, the connected hammer is clamped by the clamp, and then polished by the robot polishing system to improve the polishing quality and reduce the labor cost, but there is a problem of dust raising, and dust prevention is not in place. In order to improve production efficiency, generally a plurality of polishing stations are set up, which occupies a large area and has high equipment cost and inconvenient equipment installation and adjustment.

[0003] Therefore, it is necessary to make further improvement. SUMMARY

[0004] The purpose of the present application is to provide a connected hammer automatic polishing system with simple structure, which can reduce the labor intensity of workers, reduce labor cost, improve safety level, improve product quality and has strong practicality, so as to overcome the shortcomings of the prior art.

[0005] The automatic polishing system of the connected hammer is characterized in that the system comprises a polishing mechanism, a blanking device and an electric control device, the polishing mechanism is arranged on both sides of the blanking device, the polishing mechanism comprises a feeding table assembly, a robot, a sand belt machine and an outer cover assembly, the feeding table assembly and the sand belt machine are arranged on both sides of the robot respectively, a plurality of jigs are arranged on the feeding table assembly, the jigs are arranged on the feeding table assembly in turn and reciprocatingly to feed the connected hammer, a clamp assembly for clamping the connected hammer is arranged on the robot to move the connected hammer to the sand belt machine or the blanking device, a plurality of polishing assemblies for polishing the connected hammer are arranged on the sand belt machine, the outer cover assembly covers the outside of the feeding table assembly, the robot and the sand belt machine, the blanking device comprises a conveying assembly for conveying the connected hammer and a heating assembly for heating the connected hammer, and the electric control device is electrically connected with the robot, the sand belt machine, the conveying assembly and the heating assembly.

[0006] The feeding table assembly comprises a feeding table, a first driver arranged on the feeding table, a linear guide assembly and a jig mounting plate, the first driver is drivingly connected with the jig mounting plate, the jig mounting plate is arranged on the feeding table in reciprocating motion through the linear guide assembly, and the jig is mounted on the jig mounting plate; and a homing sensor acting on the jig mounting plate is arranged at each end of the feeding table.

[0007] The jig comprises a carrier plate and a positioning plate arranged on the carrier plate and used for placing the connected hammer, and the carrier plate is positioned on the jig mounting plate through a positioning member.

[0008] The sand belt machine is provided with a second driver, a belt pulley assembly and a transmission shaft, the polishing assembly comprises a driven wheel, a sand belt, a grinding wheel and a tensioning device, the tensioning device comprises a tensioning wheel, the driven wheel, the grinding wheel and the tensioning wheel are drivingly connected through the sand belt, the second driver is drivingly connected with the belt pulley assembly, and the belt pulley assembly is connected with the driven wheel through the transmission shaft.

[0009] The tensioning device further comprises a third driver drivingly connected with the tensioning wheel, and the sand belt machine is provided with a pressure regulating valve connected with the third driver.

[0010] The polishing assembly further comprises a swing arm, the grinding wheel is arranged at both ends of the swing arm respectively, the sand belt machine is provided with a floating assembly, the floating assembly comprises a fourth driver and an elastic member, one end of the elastic member is drivingly connected with the fourth driver, and the other end of the elastic member is connected with the swing arm.

[0011] The conveying assembly comprises a fifth driver, a chain wheel assembly, a roller assembly and a mesh belt for conveying the connected hammer, the fifth driver is drivingly connected with the chain wheel assembly, the chain wheel assembly is connected with the roller assembly in cooperation, and the mesh belt is arranged between the roller assembly.

[0012] The heating assembly comprises a heating tunnel, a heating component and a fan assembly, the heating tunnel covers above the mesh belt, the heating component is arranged in the heating tunnel, and the fan assembly is arranged between the heating components.

[0013] The clamp assembly comprises a sixth driver, a pressing plate, a pressing fitting plate and a lever shaft assembly, the pressing fitting plate is fixed on the robot, the sixth driver is fixed on the pressing fitting plate, the sixth driver drives one end of the pressing plate, the lever shaft assembly is arranged between the pressing plate and the pressing fitting plate, the pressing plate is rotatably arranged relative to the pressing fitting plate through the lever shaft assembly, the other end of the pressing plate is provided with a pressing block, one end of the pressing fitting plate corresponding to the pressing block is provided with a clamping block, and the pressing block and the clamping block are matched with each other to clamp the integrated hammer.

[0014] The outer cover assembly is provided with a door body and an observation window, the door body is provided with a safety door interlock, the electric control device is electrically connected with the safety door interlock, and the outer cover assembly is provided with an explosion-proof illuminating lamp.

[0015] The polishing system of the present application automatically feeds the integrated hammer through the feeding table assembly and the jig, then the robot clamps the integrated hammer to the abrasive belt machine through the clamp assembly for polishing, and after polishing, the robot puts the integrated hammer on the discharging device for discharging, so that automatic polishing of the integrated hammer is realized, the workload of the first-line industrial workers is reduced, the personnel arrangement is reduced, the labor cost is reduced, the polishing quality and production efficiency are improved, the outer cover assembly effectively separates the movement area of the robot, dust is effectively prevented, the production safety is improved, two polishing mechanisms (polishing stations) share one discharging device, the equipment area is reduced, the equipment cost is reduced, the equipment is convenient to install and adjust, the discharging device is provided with a heating assembly, and the integrated hammer is heated when being discharged, which is beneficial to the plastic packaging of the integrated hammer product after discharging; in summary, the polishing system has the advantages of fast polishing speed, good quality, good controllability, wide adaptability, convenient product replacement, stable product quality and uniformity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the polishing system in an embodiment of the present application.

[0017] Figure 2 It is a whole structure schematic view of the polishing system after removing the outer cover assembly in an embodiment of the present application.

[0018] Figure 3 It is a partial structure schematic view of the polishing system in an embodiment of the present application.

[0019] Figure 4 It is a whole structure schematic view of the abrasive belt machine in an embodiment of the present application.

[0020] Figure 5 It is a side view of the abrasive belt machine in an embodiment of the present application.

[0021] Figure 6 It is a whole structure schematic view of the discharging device in an embodiment of the present application.

[0022] Figure 7 Figure 1 is a schematic diagram of the part structure of the blanking device in an embodiment of the present application.

[0023] Figure 8 Figure 2 is a schematic diagram of the overall structure of the jig in an embodiment of the present application.

[0024] Figure 9 Figure 3 is a schematic diagram of the overall structure of the clamp assembly in an embodiment of the present application. DETAILED DESCRIPTION

[0025] The present application is further described below in conjunction with the accompanying drawings and embodiments.

[0026] Reference Figures 1-9 The automatic polishing system for the integrated hammer includes a polishing mechanism a, a blanking device b, and an electric control device c (including an electric control cabinet and a robot control cabinet). The polishing mechanism a is arranged on both sides of the blanking device b. The polishing mechanism a includes a feeding table assembly 1, a six-axis robot 2, a sand belt machine 3, and an outer cover assembly 7. The feeding table assembly 1 and the sand belt machine 3 are arranged on both sides of the robot 2, respectively. The feeding table assembly 1 is provided with a plurality of jigs 4. The jigs 4 are arranged on the feeding table assembly 1 in turn and reciprocally to feed the integrated hammer 5. Two jigs 4 are arranged to realize double-station automatic feeding design (the integrated hammer can be fed by pressing the button on the feeding table assembly 1, which is controlled by the electric control device c). The double-station feeding realizes uninterrupted feeding work. The robot 2 is provided with a clamp assembly 6 for clamping the integrated hammer 5 to move the integrated hammer 5 to the sand belt machine 3 or the blanking device b. The sand belt machine 3 is provided with two polishing assemblies for polishing the integrated hammer 5. The robot 2 polishes different parts of the product by double-station belt force control floating sand belt machine 3 to achieve the effect that all parts of the integrated hammer can be polished. The outer cover assembly 7 covers the outside of the feeding table assembly 1, the robot 2, and the sand belt machine 3. The blanking device b includes a conveying assembly for conveying the integrated hammer 5 and a heating assembly for heating the integrated hammer 5. The electric control device c is electrically connected with the robot 2, the sand belt machine 3, the conveying assembly, and the heating assembly, respectively. The polishing system is provided with a lever type clamp (the clamp assembly 6) installed on the six-axis robot to simulate the manual action to take the integrated hammer from the feeding jig and then polish the corresponding position of the integrated hammer by the sand belt machine module. After polishing, the integrated hammer is placed in the dustproof room (the outer cover assembly 7) and then discharged to the blanking device to realize automatic polishing of the integrated hammer.

[0027] The feeding table assembly 1 comprises a feeding table 8, a first driver 9 provided on the feeding table 8, a linear guide assembly 10 and a jig mounting plate 11, the first driver 9 is a pneumatic cylinder and is controlled by the electric control device c, the first driver 9 drives the jig mounting plate 11, the jig mounting plate 11 is reciprocatingly arranged on the feeding table 8 through the linear guide assembly 10, and the jig 4 is mounted on the jig mounting plate 11; the feeding table 8 is provided with a position sensor 41 acting on the jig mounting plate 11 at each end, the first driver 9 drives the jig 4 to reciprocate through the jig mounting plate 11, the position sensor 41 realizes accurate positioning of the jig 4, and automatic production is realized by cooperating with a system program, and the linear guide assembly 10 is a combination of a slide rail and a slide block.

[0028] The jig 4 comprises a carrier plate 12 and a positioning plate 13 provided on the carrier plate 12 and used for placing the connected hammers 5, the carrier plate 12 is positioned on the jig mounting plate 11 through a positioning piece 14, the positioning plate 13 can place a plurality of connected hammers 5, the positioning piece 14 is a foolproof positioning pin, accurate positioning is ensured when the feeding jig is replaced, the function of quickly adapting production after the jig plate module is replaced is achieved, the jig is made by using product characteristics, the jig module modular design can realize quick replacement.

[0029] The sand belt machine 3 is provided with a second driver 15, a belt pulley assembly 16 and a transmission shaft 17, the polishing assembly comprises a driven wheel 18, a sand belt 42, a grinding wheel 19 and a tensioning device, the tensioning device comprises a tensioning wheel 20, the driven wheel 18, the grinding wheel 19 and the tensioning wheel 20 are drivingly connected through the sand belt 42, the second driver 15 is drivingly connected with the belt pulley assembly 16, and the belt pulley assembly 16 is connected with the driven wheel 18 through the transmission shaft 17. The second driver 15 is a motor and is controlled by the electric control device c, the belt pulley assembly 16 is a combination of a synchronous wheel and a belt, the driven wheel 18 is arranged at two ends of the transmission shaft 17 respectively, the second driver 15 drives the grinding wheel 19 to rotate in sequence through the belt pulley assembly 16, the transmission shaft 17, the driven wheel 18 and the sand belt 42, so as to polish the connected hammer 5, two grinding wheels 19 are arranged in each polishing assembly, the sand belt machine 3 can replace the sand belt wheel 19 according to actual process, the automatic tensioning device is configured, the tensioning force of the sand belt 42 can be adjusted through a pressure regulating valve 22, and the sand belt 42 can be quickly replaced.

[0030] The tensioning device further comprises a third driver 21, the third driver 21 is drivingly connected with the tensioning wheel 20, the sand belt machine 3 is provided with the pressure regulating valve 22 communicating with the third driver 21, and the third driver 21 is a pneumatic cylinder and is controlled by the electric control device c. The third driver 21 drives the tensioning wheel 20 to linearly move, so as to realize automatic tensioning of the sand belt 42.

[0031] The polishing assembly further comprises a swing arm 23, the grinding wheel 19 is arranged at two ends of the swing arm 23 respectively, a floating assembly is arranged on the sanding machine 3, the floating assembly comprises a fourth driver 24 and an elastic element 25, the fourth driver 24 is drivingly connected to one end of the elastic element 25, the other end of the elastic element 25 is connected to a bolt 43 of the swing arm 23, the fourth driver 24 is a pneumatic cylinder, and the fourth driver 24 is controlled by the electric control device c; the elastic element 25 is a tension spring; when the integrated hammer 5 is polished, the fourth driver 24 drives the elastic element 25 to pull the swing arm 23, so that the floating function is realized, the adhesion between the product contact surface and the sand belt 42 can be adjusted, and the polishing quality is improved.

[0032] A dust removal hopper 44 is arranged below the grinding wheel 19 and is connected to a dust removal system to collect dust generated during polishing.

[0033] The conveying assembly comprises a fifth driver 26, a chain wheel assembly 27, a roller assembly 28 and a stainless steel mesh belt 29 for conveying the integrated hammer 5, the fifth driver 26 is drivingly connected to the chain wheel assembly 27, the chain wheel assembly 27 is connected to the roller assembly 28 in cooperation, the mesh belt 29 is arranged between the roller assembly 28, the fifth driver 26 is a motor, and the fifth driver 26 is controlled by the electric control device c; the chain wheel assembly 27 is a combination of a chain wheel and a chain, the roller assembly 28 comprises two rollers, one of which is drivingly connected to the chain wheel assembly 27, and the other of which is driven, the fifth driver 26 drives the mesh belt 29 to move through the chain wheel assembly 27 and the roller assembly 28 in sequence, the mesh belt 29 conveys the integrated hammer 5 when moving, and the feeding is realized.

[0034] The heating assembly comprises a heating tunnel 30, heating components 31 and a fan assembly 32, the heating tunnel 30 is arranged above the mesh belt 29, the heating components 31 are arranged in the heating tunnel 30, and the fan assembly 32 is arranged between the heating components 31; the heating components 31 are heating pipes, the fan assembly 32 can improve the heating efficiency of the heating components 31, the heating components 31 and the fan assembly 32 are controlled by the electric control device c, have the temperature control and adjustment function, and ensure that the steel product reaches the customer product temperature requirement after passing through the heating tunnel 30.

[0035] The clamp assembly 6 comprises a sixth driver 33, a pressing plate 34, a pressing fitting plate 35 and a lever shaft assembly 36, the pressing fitting plate 35 is fixed on the robot 2, the sixth driver 33 is fixed on the pressing fitting plate 35, the sixth driver 33 drives one end of the pressing plate 34, the lever shaft assembly 36 is arranged between the pressing plate 34 and the pressing fitting plate 35, the pressing plate 34 is rotatably arranged relative to the pressing fitting plate 35 through the lever shaft assembly 36, the other end of the pressing plate 34 is provided with a pressing block 37, one end of the pressing fitting plate 35 corresponding to the pressing block 37 is provided with a clamping block 38, the pressing block 37 and the clamping block 38 cooperate with each other to clamp the integrated hammer 5, the sixth driver 33 is a pneumatic cylinder, which is controlled by the electric control device c, the sixth driver 33 pushes one end of the pressing plate 34 to make the pressing plate 34 rotate around the lever shaft assembly 36, and the other end of the pressing plate 34 clamps the integrated hammer 5 through the pressing block 37 cooperating with the clamping block 38.

[0036] The cover assembly 7 is provided with a door body 39 and an observation window 40, the door body 39 is provided with a safety door interlock, the electric control device c is electrically connected with the safety door interlock, the cover assembly 7 is provided with an explosion-proof lighting lamp, the cover assembly 7 is composed of a plurality of clamping plates 45, the clamping plates 45 are combined and formed by high-quality profiles and organic glass, the structure is stable, the observation window 40 is convenient for debugging and observing the running state of the equipment, and the door body 39 (a maintenance door) is provided with a safety door interlock, when a person enters the dustproof room (the cover assembly 7), the equipment is automatically stopped to ensure the safety of the person.

[0037] The polishing mechanism a further comprises a steel structure base 46, the feeding table assembly 1 and the robot 2 and the abrasive belt machine 3 are installed on the base 46, the polishing mechanism a is modularly designed, and the whole is convenient for transportation without disassembly.

[0038] The polishing system action flow is as follows:

[0039] The integrated hammer 5 is manually fed to the jig 4 on the feeding table 8, then a confirmation button is pressed, the jig mounting plate 11 automatically pushes the jig 4 to a robot catching area, then the robot 2 automatically catches the integrated hammer 5 to the abrasive belt machine module for polishing, and finally the robot 2 puts the polished integrated hammer 5 to the discharging device b for discharging.

[0040] The above is the preferred scheme of the present application, which shows and describes the basic principles, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An automated grinding system with an integrated hammer, characterized in that: The polishing mechanism (a), the discharging device (b) and the electric control device (c) are included, the polishing mechanism (a) is arranged on both sides of the discharging device (b), the polishing mechanism (a) includes a feeding table assembly (1), a robot (2), a belt sander (3) and an outer cover assembly (7), the feeding table assembly (1) and the belt sander (3) are arranged on both sides of the robot (2) respectively, a plurality of jigs (4) are arranged on the feeding table assembly (1), the jigs (4) are arranged on the feeding table assembly (1) in turn and reciprocating motion, so as to feed the connected hammers (5), a clamp assembly (6) for clamping the connected hammers (5) is arranged on the robot (2), so as to move the connected hammers (5) to the belt sander (3) or the discharging device (b), a plurality of polishing assemblies for polishing the connected hammers (5) are arranged on the belt sander (3), the outer cover assembly (7) covers the outside of the feeding table assembly (1), the robot (2) and the belt sander (3), the discharging device (b) includes a conveying assembly for conveying the connected hammers (5) and a heating assembly for heating the connected hammers (5), the electric control device (c) is electrically connected with the robot (2), the belt sander (3), the conveying assembly and the heating assembly respectively. The polishing mechanism (a) further includes a steel structure base (46), the feeding table assembly (1), the robot (2) and the belt sander (3) are installed on the base (46).

2. The automatic polishing system of claim 1, wherein: The feeding table assembly (1) includes a feeding table (8), a first driver (9), a linear guide assembly (10) and a jig mounting plate (11) arranged on the feeding table (8), the first driver (9) is drivingly connected with the jig mounting plate (11), the jig mounting plate (11) is arranged on the feeding table (8) in reciprocating motion through the linear guide assembly (10), and the jig (4) is mounted on the jig mounting plate (11); the feeding table (8) is respectively provided with a homing sensor (41) acting on the jig mounting plate (11) at both ends.

3. The automatic polishing system for connected hammers according to claim 2, characterized in that: The jig (4) includes a carrier plate (12) and a positioning plate (13) arranged on the carrier plate (12) and used for placing the connected hammers (5), and the carrier plate (12) is positioned and arranged on the jig mounting plate (11) through a positioning piece (14).

4. The automatic polishing system for connected hammers of claim 1, wherein: The belt sander (3) is provided with a second driver (15), a pulley assembly (16) and a transmission shaft (17), the polishing assembly includes a driven wheel (18), a sand belt (42), a grinding wheel (19) and a tensioning device, the tensioning device includes a tensioning wheel (20), the driven wheel (18), the grinding wheel (19) and the tensioning wheel (20) are drivingly connected through the sand belt (42), the second driver (15) is drivingly connected with the pulley assembly (16), and the pulley assembly (16) is connected with the driven wheel (18) through the transmission shaft (17) respectively.

5. The automatic polishing system of claim 4, wherein: The tensioning device further includes a third driver (21), the third driver (21) is drivingly connected with the tensioning wheel (20), and the belt sander (3) is provided with a pressure regulating valve (22) communicating with the third driver (21).

6. The connected hammer automated polishing system of claim 5, wherein: The polishing assembly further comprises a swing arm (23), the grinding wheel (19) is arranged at two ends of the swing arm (23) respectively, the floating assembly is arranged on the belt sander (3), the floating assembly comprises a fourth driver (24) and an elastic member (25), the fourth driver (24) is drivingly connected to one end of the elastic member (25), and the other end of the elastic member (25) is connected to the swing arm (23).

7. The connected hammer automated polishing system of claim 1, wherein: The conveying assembly comprises a fifth driver (26), a chain wheel assembly (27), a roller assembly (28) and a mesh belt (29) for conveying the connected hammers (5), the fifth driver (26) is drivingly connected to the chain wheel assembly (27), the chain wheel assembly (27) is connected to the roller assembly (28) in a matching mode, and the mesh belt (29) is arranged between the roller assembly (28).

8. The connected hammer automated polishing system of claim 7, wherein: The heating assembly comprises a heating tunnel (30), a heating component (31) and a fan assembly (32), the heating tunnel (30) is arranged above the mesh belt (29), the heating component (31) is arranged in the heating tunnel (30), and the fan assembly (32) is arranged between the heating component (31).

9. The connected hammer automated polishing system of claim 1, wherein: The clamp assembly (6) comprises a sixth driver (33), a pressing plate (34), a pressing matching plate (35) and a lever shaft assembly (36), the pressing matching plate (35) is fixed on the robot (2), the sixth driver (33) is fixed on the pressing matching plate (35), one end of the pressing plate (34) is drivingly connected to the sixth driver (33), the lever shaft assembly (36) is arranged between the pressing plate (34) and the pressing matching plate (35), the pressing plate (34) is rotatably arranged relative to the pressing matching plate (35) through the lever shaft assembly (36), the other end of the pressing plate (34) is provided with a pressing block (37), one end of the pressing matching plate (35) corresponding to the pressing block (37) is provided with a clamping block (38), and the pressing block (37) and the clamping block (38) are matched with each other to clamp the connected hammer (5).

10. The connected hammer automated polishing system of claim 1, wherein: The outer cover assembly (7) is provided with a door body (39) and an observation window (40), the door body (39) is provided with a safety door interlock, the safety door interlock is electrically connected to the electric control device (c), and the outer cover assembly (7) is provided with an explosion-proof illuminating lamp.

Images