Contour refining machining center for multi-opening mold design

Abstract

The invention relates to the technical field of mold machining, and discloses a contour refining machining center for multi-opening mold design, which comprises a main machine, a water tank, a molybdenum wire and a machining table are arranged on the main machine, a mechanical arm is further mounted on the side wall of the water tank, an extension frame is mounted on the mechanical arm, and a supporting plate, a clamp, a shaking assembly and a grinding assembly are mounted on the extension frame. The mechanical arm is arranged, the clamp, the supporting plate and the shaking assembly are installed on the mechanical arm, clamping jaws on the clamp are forced to shake through the shaking assembly, a workpiece in the clamping jaws is forced to break and fall off, then the workpiece is clamped again and then taken out, compared with a manual discharging mode, more efficient and labor-saving effects are achieved, and safety is higher; the device is suitable for wire cutting machining operation of multiple workpieces, the mechanical arm is used for underwater operation, frequent water drainage and water injection are not needed, time can be saved, the efficiency of wire cutting work can be improved, the grinding assembly can be used for grinding the end faces of the detached workpieces, then burrs are removed, and the quality of the workpieces is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mold processing, in particular to a profile fine machining center for multi-port mold design. BACKGROUND

[0002] The multi-port mold is often internally provided with multiple same cavities, so multiple same size accessories are often required during processing. In order to improve the utilization rate of materials and processing efficiency, multiple accessories are processed in one piece of material, and the processing process includes material heat treatment, material grinding processing, material wire electrical discharge machining and material surface treatment. The wire electrical discharge machining process of the accessory is cut by a special wire electrical discharge machine tool. The wire electrical discharge machine tool is provided with a water tank, and the water tank is provided with a workbench for fixing the workpiece.

[0003] Chinese patent application CN107297625A discloses a wire cutting device with a grinding process, which can grind the surface of the workpiece after wire cutting work, thereby improving the accuracy of the workpiece. However, the device still has some defects: when multiple workpieces on the material are cut and separated, in order to avoid the workpieces from colliding and scratching after falling together, a certain distance is generally reserved at the breaking point of the molybdenum wire, and then the workpiece is manually broken. Manual operation is laborious and not safe enough. In addition, part of the wire cutting is also carried out underwater. Before breaking the workpiece, the water in the water tank needs to be drained, and the water needs to be injected again before subsequent cutting work. The process is complicated, which reduces the efficiency of the cutting work.

[0004] In view of the problems in the related art, no effective solution has been proposed so far. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a profile fine machining center for multi-port mold design, which has the advantages of safety, labor saving, high processing efficiency and strong applicability, solves the problem that multiple workpieces in the material need to be manually broken during wire cutting, which is laborious and not safe enough, and when the cutting work is carried out underwater, repeated water drainage and injection are required, which takes a long time and reduces the processing efficiency.

[0006] To solve the above technical problems, the present application provides the following technical scheme: a profile fine machining center for multi-port mold design, comprising a main machine, a water tank, a molybdenum wire and a machining table are arranged on the main machine, a mechanical arm is further installed on the side wall of the water tank, an extension frame is installed on the mechanical arm, a supporting plate, a clamp, a shaking assembly and a grinding assembly are installed on the extension frame;

[0007] The clamp comprises two movable clamping jaws, and the clamp is used for clamping the workpiece;

[0008] The shaking assembly is in transmission connection with the clamp, and the shaking assembly is used for driving the clamp to shake to break the workpiece.

[0009] The supporting plate is arranged at the bottom of the clamp and is used for supporting the falling workpiece and isolating the upper and lower adjacent workpieces;

[0010] The grinding assembly comprises a rotatable abrasive belt and is used for polishing the fracture point on the workpiece;

[0011] The mechanical arm operates to extend the clamp and the supporting plate into the sink, so that the two clamping jaws on the clamp are extended to the two sides of the workpiece respectively, and the supporting plate is extended to the bottom of the workpiece; the shaking assembly operates to drive the clamp to reciprocate and force the workpiece to shake and break;

[0012] The clamp operates to force the two clamping jaws to move after the broken workpiece is clamped, and then the mechanical arm operates again to move the clamp together with the workpiece out of the sink; finally, the grinding assembly operates to polish the fracture point on the workpiece by the abrasive belt to remove burrs.

[0013] Preferably, the mechanical arm comprises a first sliding table fixed to the outer wall of the sink, a first movable seat arranged on the first sliding table, a second sliding table fixed to the surface of the first movable seat, a second movable seat arranged on the second sliding table, a third sliding table fixed to the surface of the second movable seat, a third movable seat arranged on the third sliding table, and the top end of the extension frame is fixedly connected with the third movable seat.

[0014] Preferably, the shaking assembly comprises a horizontally arranged first sliding rail fixedly connected with the extension frame, a first motor fixed to one end of the first sliding rail, a base shaft fixed to the output shaft of the first motor, the base shaft extending into the first sliding rail and being rotatably connected with the first sliding rail at both ends, a circular sleeve pipe fixedly sleeved on the middle part of the base shaft, and a wavy annular groove arranged on the surface of the circular sleeve pipe.

[0015] Preferably, the clamp further comprises a horizontally arranged second sliding rail, a first sliding block fixedly connected with the outer wall of the second sliding rail and slidably connected with the first sliding rail, a shaft pin fixedly connected with the first sliding block, the shaft pin extending into the wavy annular groove at one end, two second sliding blocks fixedly connected with the end portions of the two clamping jaws and slidably connected with the second sliding rail, and a second motor fixedly connected with the end portion of the second sliding rail, a bidirectional screw rod fixedly connected with the output shaft of the second motor, the bidirectional screw rod extending into the second sliding rail and being rotatably connected with the second sliding rail at both ends, and the bidirectional screw rod penetrating through the two second sliding blocks and being threadedly connected with the two second sliding blocks.

[0016] Preferably, the supporting plate is arranged at the bottom of the first sliding rail, two symmetrically distributed guide frames are fixedly connected with the bottom of the first sliding rail, horizontal sliding grooves are arranged on the two guide frames, and the two side edges of the supporting plate extend into the two horizontal sliding grooves respectively.

[0017] Preferably, a third sliding rail, a drive screw, a third motor and a movable frame are further arranged on the extension frame, the drive screw and the second sliding rail are arranged in parallel, the third sliding rail is fixedly connected with the extension frame, a third sliding block is slidably connected in the third sliding rail, the drive screw is located at the bottom of the extension frame and rotatably connected with the extension frame at both ends, the third motor is fixed on the extension frame and the output shaft is fixedly connected with the end of the drive screw, the movable frame is sleeved on the drive screw and threadedly connected with the drive screw, the top end of the movable frame is fixedly connected with the third sliding block, and the bottom end of the movable frame is connected with the supporting plate through a monitoring assembly.

[0018] Preferably, the monitoring assembly comprises a strip-shaped frame fixed at the bottom end of the movable frame, the strip-shaped frame is movably sleeved on the supporting plate, pressure sensors are fixedly connected at both ends of the strip-shaped frame, springs are fixedly connected with the pressure bearing surface of the pressure sensors, base blocks are fixedly connected with the end of the springs away from the pressure sensors, the base blocks are fixedly connected with the edges of the supporting plate, and transmission shafts are further fixed on the surfaces of the base blocks.

[0019] Preferably, the grinding assembly further comprises a fourth motor and a movable rod, the fourth motor is fixed on the movable frame, a first bevel gear is fixedly connected with the output shaft of the fourth motor, a rotating shaft is fixedly connected at one end of the movable rod, the rotating shaft is rotatably connected with the third sliding block, a second bevel gear is fixedly connected with the rotating shaft, the second bevel gear is engaged with the first bevel gear, a roller frame is fixedly connected at the other end of the movable rod, a driving roller and a driven roller are rotatably connected on the roller frame, the abrasive belt is connected between the driving roller and the driven roller, a fifth motor is fixed on the roller frame, and the output shaft of the fifth motor is fixedly connected with the end of the driving roller.

[0020] Preferably, a fixed shaft is fixedly connected with the edge of the movable frame, a secondary synchronous wheel is rotatably connected with the fixed shaft, a primary synchronous wheel is fixedly connected with the end of the rotating shaft, the primary synchronous wheel is connected with the secondary synchronous wheel through a synchronous belt, a support rod is fixedly connected with the surface of the secondary synchronous wheel, a through hole is arranged at the end of the support rod, and the end of the support rod is sleeved on the transmission shaft through the through hole.

[0021] Preferably, the through hole comprises a first strip-shaped hole consistent with the direction of the support rod and a second strip-shaped hole consistent with the direction of the supporting plate, and the first strip-shaped hole and the second strip-shaped hole are in communication with each other.

[0022] Compared with the prior art, the present application provides a profile fine machining center for multi-port mold design, which has the following beneficial effects:

[0023] 1. The profile fine machining center for multi-port mold design, through the mechanical arm, and installing the clamp, the supporting plate and the shaking assembly on the mechanical arm, first forcing the clamp jaw on the clamp to shake through the shaking assembly, forcing the workpiece in the clamp jaw to break off, then taking out the workpiece after clamping it again, compared with the manual unloading mode, it is more efficient, labor-saving and safer, and is suitable for wire cutting operation of multiple workpieces, uses the mechanical arm to operate underwater, without frequent drainage and water injection, can save time and improve the efficiency of wire cutting work, uses the grinding assembly to polish the end face of the disassembled workpiece, thereby removing burrs and improving the quality of the workpiece.

[0024] 2. The profile fine machining center for multi-port mold design, the second motor can drive the two clamp jaws to approach or move away from each other, so as to adjust the distance between the two clamp jaws, thereby adapting to workpieces of different specifications, by setting the third motor, the third motor can adjust the initial position of the supporting plate when operating, thereby making the supporting plate suitable for workpieces of different specifications, and the third motor can also adjust the position of the grinding assembly when operating, so that the grinding assembly can also adapt to workpieces of different specifications, improving the applicability.

[0025] 3. The profile fine machining center for multi-port mold design, by setting the monitoring assembly, the pressure sensor can monitor the contact between the supporting plate and the base, so that the supporting plate is just inserted into the base, ensuring that the workpiece to be disassembled is completely on the top of the supporting plate, ensuring that the workpiece is completely supported by the supporting plate after being disengaged, more stable and accurate.

[0026] 4. The profile fine machining center for multi-port mold design, by setting the fixed shaft, the secondary synchronous wheel, the primary synchronous wheel, the synchronous belt and the supporting rod, the supporting plate can be driven to move a distance when the grinding assembly is operating, thereby making the end of the supporting plate away from the sand belt, avoiding being worn by the rotating sand belt after contacting the sand belt. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a perspective view of a profile fine machining center for multi-port mold design of the present application;

[0028] Figure 2 It is a structure diagram of the existing machining part;

[0029] Figure 3 It is a structure diagram of the mechanical arm of the present application;

[0030] Figure 4 It is a sectional view of the grinding assembly of the present application;

[0031] Figure 5 It is an installation structure diagram of the supporting plate of the present application;

[0032] Figure 6 It is a Figure 5A part of enlarged view of Fig. 1;

[0033] Figure 7 Fig. 1 is a schematic view of the mounting structure of the grinding assembly of the present application;

[0034] Figure 8 Fig. 1 is a schematic view of the mounting structure of the grinding assembly of the present application; Figure 7 B part of enlarged view of Fig. 1;

[0035] Figure 9 Fig. 1 is a schematic view of the mounting structure of the grinding assembly of the present application;

[0036] In the figure: 1, main machine; 2, water tank; 3, molybdenum wire; 4, processing table; 5, mechanical arm; 51, first sliding table; 52, first movable seat; 53, second sliding table; 54, second movable seat; 55, third sliding table; 56, third movable seat; 6, supporting plate; 7, clamp; 71, clamping jaw; 72, second sliding rail; 73, first sliding block; 74, shaft pin; 75, second sliding block; 76, second motor; 77, bidirectional screw; 8, shaking assembly; 81, first sliding rail; 82, first motor; 83, base shaft; 84, round sleeve; 85, wavy annular groove; 86, guide frame; 9, grinding assembly; 901, abrasive belt; 902, fourth motor; 903, movable rod; 904, first bevel gear; 905, rotating shaft; 906, second bevel gear; 907, roller frame; 908, driving roller; 909, driven roller; 910, fifth motor; 10, extension frame; 11, third sliding rail; 12, driving screw; 13, third motor; 14, movable frame; 15, third sliding block; 16, monitoring assembly; 161, strip frame; 162, pressure sensor; 163, spring; 164, base block; 165, transmission shaft; 17, fixed shaft; 18, secondary synchronous wheel; 19, primary synchronous wheel; 20, synchronous belt; 21, supporting rod; 22, through hole. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0038] As introduced in the background, the deficiencies in the prior art exist, in order to solve the above technical problems, the present application provides a profile fine machining center for multi-port mold design.

[0039] Please refer to Figures 1-3A profile fine machining center for multi-port mold design, comprising a main machine 1, a water tank 2, a molybdenum wire 3 and a machining table 4 are arranged on the main machine 1, a mechanical arm 5 is further arranged on the side wall of the water tank 2, an extension frame 10 is arranged on the mechanical arm 5, a supporting plate 6, a clamp 7, a shaking assembly 8 and a grinding assembly 9 are arranged on the extension frame 10;

[0040] The clamp 7 comprises two movable clamping jaws 71, and the clamp 7 is used for clamping a workpiece;

[0041] The shaking assembly 8 is in transmission connection with the clamp 7, and the shaking assembly 8 is used for driving the clamp 7 to shake to break the workpiece;

[0042] The supporting plate 6 is arranged at the bottom of the clamp 7, and the supporting plate 6 is used for supporting the falling workpiece and isolating the upper and lower adjacent workpieces;

[0043] The grinding assembly 9 comprises a rotatable abrasive belt 901, and the grinding assembly 9 is used for polishing the fracture point on the workpiece;

[0044] The mechanical arm 5 operates to extend the clamp 7 and the supporting plate 6 into the water tank 2, so that the two clamping jaws 71 on the clamp 7 extend to the two sides of the workpiece respectively, and the supporting plate 6 extends to the bottom of the workpiece, the shaking assembly 8 operates to drive the clamp 7 to reciprocate and force the workpiece to shake and break;

[0045] The clamp 7 operates to force the two clamping jaws 71 to move after the workpiece is broken, and then the mechanical arm 5 operates again to move the clamp 7 and the workpiece out of the water tank 2, finally, the grinding assembly 9 operates to polish the fracture point on the workpiece by the abrasive belt 901 to remove burrs;

[0046] Wherein, the workpiece suitable for the device is a part that has been machined by grinding as shown in the description Figure 2 The part mainly comprises a base a and a plurality of workpieces b arranged in a matrix on the base, there is a gap between adjacent workpieces b, and the device is required to separate the plurality of workpieces b from the base a; the clamping jaw 71 is arranged as a hard metal sheet with a rubber coating on the surface, the supporting plate 6 is arranged as a horizontally arranged hard metal sheet, and the initial distance between the two clamping jaws 71 is set to be greater than the width of the workpiece b, which is set according to actual needs, and needs to ensure that it can be inserted into the gap on both sides of the workpiece b, while avoiding being close to both sides of the workpiece b;

[0047] In use, the host 1 is operated to realize cutting work through the molybdenum wire 3, and the workpiece is cut to a fracture position and retained at a certain distance, and then the machine is stopped; then the mechanical arm 5 is started, the mechanical arm 5 controls the extension frame 10, the supporting plate 6 and the clamp 7 on the extension frame 10 to insert into the water, and the two clamping jaws 71 on the clamp 7 are respectively inserted into the gap on both sides of the workpiece, and the supporting plate 6 is inserted into the gap at the bottom of the workpiece, then the shaking assembly 8 is started, and the shaking assembly 8 drives the clamp 7 to reciprocate after operation, and then drives the clamping jaws 71 on both sides of the workpiece to move, so as to push the workpiece to shake, so that the connection between the workpiece and the base is broken, and the broken workpiece falls on the supporting plate 6, then the clamp 7 is started, and the clamp 7 drives the two clamping jaws 71 to move close to each other after operation, and clamps the separated workpiece, then the mechanical arm 5 is started again, and the mechanical arm 5 controls the extension frame 10, the supporting plate 6, the clamp 7 and the workpiece to move out of the water tank 2, finally, the grinding assembly 9 is started, and the grinding assembly 9 grinds the fracture position on the workpiece through the rotating abrasive belt 901;

[0048] By setting the mechanical arm 5, and installing the clamp 7, the supporting plate 6 and the shaking assembly 8 on the mechanical arm 5, the clamping jaws 71 on the clamp 7 are forced to shake by the shaking assembly 8, the workpiece in the clamping jaws 71 is forced to break off, and then the workpiece is clamped again and taken out, which is more efficient and labor-saving than manual unloading, and has higher safety, and is suitable for wire cutting machining of multiple workpieces, and the mechanical arm 5 is operated underwater, without the need for frequent drainage and water injection, which can save time and improve the efficiency of wire cutting work, and the grinding assembly 9 can polish the end face of the disassembled workpiece, thereby removing burrs and improving the quality of the workpiece.

[0049] Further, referring to Figure 1 and Figure 3 , the mechanical arm 5 comprises a first sliding table 51, the first sliding table 51 is fixed to the outer wall of the water tank 2, a first movable seat 52 is arranged on the first sliding table 51, a second sliding table 53 is fixed on the surface of the first movable seat 52, a second movable seat 54 is arranged on the second sliding table 53, a third sliding table 55 is fixed on the surface of the second movable seat 54, a third movable seat 56 is arranged on the third sliding table 55, and the extension frame 10 is fixedly connected to the top end of the third movable seat 56;

[0050] The first sliding table 51, the second sliding table 53 and the third sliding table 55 are all electric sliding tables in the prior art, wherein the first sliding table 51 is horizontally arranged, the second sliding table 53 is vertically arranged, and the third sliding table 55 is longitudinally arranged; in use, the first sliding table 51 drives the first movable seat 52 and the second sliding table 53 to move horizontally, the second sliding table 53 drives the second movable seat 54 and the third sliding table 55 to move vertically, and the third sliding table 55 drives the third movable seat 56 and the extension frame 10 to move longitudinally, so as to drive the extension frame 10, the clamp 7 and the supporting plate 6 on the extension frame 10 to move to various positions in the sink 2.

[0051] By arranging the mechanical arm 5 as three groups of sliding tables, the extension frame 10 can move in the horizontal direction, the vertical direction and the longitudinal direction, so that the clamp 7 and the supporting plate 6 can move to various positions, thereby ensuring the accuracy of the workpiece separation work.

[0052] Further, referring to Figure 4 and Figure 5 , the shaking assembly 8 comprises a horizontally arranged first sliding rail 81, the first sliding rail 81 is fixedly connected with the extension frame 10, one end of the first sliding rail 81 is fixedly connected with a first motor 82, the output shaft of the first motor 82 is fixedly connected with a base shaft 83, the base shaft 83 extends into the first sliding rail 81 and is rotatably connected with the first sliding rail 81 at both ends, a circular sleeve pipe 84 is fixedly sleeved on the middle part of the base shaft 83, a wavy annular groove 85 is formed in the surface of the circular sleeve pipe 84, the clamp 7 further comprises a horizontally arranged second sliding rail 72, the outer wall of the second sliding rail 72 is fixedly connected with a first sliding block 73, the first sliding block 73 is slidably connected with the first sliding rail 81, a shaft pin 74 is fixedly connected with the first sliding block 73, one end of the shaft pin 74 extends into the wavy annular groove 85, two second sliding blocks 75 are fixedly connected with the ends of the two clamping jaws 71, the two second sliding blocks 75 are slidably connected with the second sliding rail 72, a second motor 76 is further fixedly connected with the end of the second sliding rail 72, a bidirectional screw rod 77 is fixedly connected with the output shaft of the second motor 76, the bidirectional screw rod 77 extends into the second sliding rail 72 and is rotatably connected with the second sliding rail 72 at both ends, the bidirectional screw rod 77 penetrates through the two second sliding blocks 75 and is threadedly connected with the two second sliding blocks 75;

[0053] The base shaft 83 is consistent with the direction of the first sliding rail 81, the wavy annular groove 85 is provided with uniformly distributed wave crests and wave troughs, the bidirectional screw rod 77 is consistent with the direction of the second sliding rail 72, the surface of the bidirectional screw rod 77 is provided with two groups of symmetrically distributed threads with opposite rotation directions, and the two groups of threads are matched with the two second sliding blocks 75, respectively.

[0054] In use, the first motor 82 is started, and after the first motor 82 is operated, the base shaft 83 is rotated, and when the base shaft 83 is rotated, the circular sleeve pipe 84 is rotated, and when the circular sleeve pipe 84 is rotated, the wave-shaped annular groove 85 on the surface pushes the shaft pin 74 to reciprocate, and the shaft pin 74 reciprocates to drive the first sliding block 73 to reciprocate along the first sliding rail 81, and when the first sliding block 73 reciprocates, the second sliding rail 72 and the two clamping jaws 71 on the second sliding rail 72 reciprocate, and the two clamping jaws 71 reciprocate to drive the internal workpiece to reciprocate and shake, so that the connection between the workpiece and the base is fatigued and broken, and when the workpiece is broken, the second motor 76 is started, and the second motor 76 drives the bidirectional screw rod 77 to rotate, and when the bidirectional screw rod 77 rotates, the two second sliding blocks 75 are driven to move, so that the two second sliding blocks 75 are close to each other, and in turn drive the two clamping jaws 71 to be close to each other, and the workpiece is clamped, and then the mechanical arm 5 shell drives the clamp 7 to move, and in turn clamps the workpiece outside the sink 2, so as to realize the disassembly of a single workpiece.

[0055] By setting the shaking assembly 8 and the clamp 7, the workpiece is shaken by the shaking assembly 8 first, so that the workpiece connection is broken and falls off, and then the clamp 7 clamps the fallen workpiece, which is beneficial to realize the automatic disassembly of the workpiece, is more safe and efficient than manual breaking, and can also be operated underwater, without the need to drain the water in the sink 2, and the second motor 76 can drive the two clamping jaws 71 to be close to or away from each other, so as to adjust the distance between the two clamping jaws 71, and in turn adapt to workpieces of different specifications, and have high applicability.

[0056] Further, referring to Figures 5-7The first slide rail 81 is fixedly connected with two symmetrically distributed guide frames 86 at the bottom, and horizontal sliding grooves are arranged on the two guide frames 86; the two side edges of the supporting plate 6 extend into the two horizontal sliding grooves respectively; the extension frame 10 is further provided with a third slide rail 11, a drive screw 12, a third motor 13 and a movable frame 14; the drive screw 12 is parallel to the second slide rail 72; the third slide rail 11 is fixedly connected with the extension frame 10; a third sliding block 15 is slidably connected in the third slide rail 11; the drive screw 12 is located at the bottom of the extension frame 10 and rotatably connected with the extension frame 10 at both ends; the third motor 13 is fixed on the extension frame 10 and the output shaft is fixedly connected with the end of the drive screw 12; the movable frame 14 is sleeved on the drive screw 12 and threadedly connected with the drive screw 12; the movable frame 14 is fixedly connected with the third sliding block 15 at the top end; the movable frame 14 is connected with the supporting plate 6 through a monitoring assembly 16 at the bottom end; the monitoring assembly 16 comprises a strip-shaped frame 161 fixed at the bottom end of the movable frame 14; the strip-shaped frame 161 is movably sleeved on the supporting plate 6; pressure sensors 162 are fixedly connected at both ends of the strip-shaped frame 161; springs 163 are fixedly connected with the pressure receiving surfaces of the pressure sensors 162; base blocks 164 are fixedly connected with one end of the springs 163 away from the pressure sensors 162; the base blocks 164 are fixedly connected with the edges of the supporting plate 6; transmission shafts 165 are further fixed on the surfaces of the base blocks 164.

[0057] The pressure sensors 162, the springs 163, the base blocks 164 and the transmission shafts 165 are arranged in two groups and symmetrically distributed on the two side edges of the supporting plate 6.

[0058] In use, when the extension frame 10 is driven to move by the mechanical arm 5, the supporting plate 6 is also driven to move, and the supporting plate 6 is inserted into the gap at the bottom of the workpiece; when the one end of the supporting plate 6 inserted into the gap contacts the base, the supporting plate 6 cannot move any more, and the spring 163 is compressed; after the spring 163 is compressed, the pressure sensor 162 is pressed, and the pressure sensor 162 monitors the pressure value and feeds back an electric signal to the mechanical arm 5 to control the mechanical arm 5 to be stationary; at this time, the supporting plate 6 can isolate the workpiece at the top from the workpiece at the bottom, so that the workpiece at the top will not contact the workpiece at the bottom after breaking and falling off.

[0059] If it is necessary to adapt to workpieces of different lengths, the position of the supporting plate 6 needs to be adjusted in advance, so that the supporting plate 6 can smoothly contact the base; at this time, the third motor 13 is started, and the third motor 13 drives the drive screw 12 to rotate after being operated; when the drive screw 12 rotates, the movable frame 14 is driven to move; when the movable frame 14 moves, the third sliding block 15 at the top and the strip-shaped frame 161 at the bottom are driven to move; when the strip-shaped frame 161 moves, the pressure sensor 162, the spring 163, the base block 164 and the supporting plate 6 are driven to move; at this time, the supporting plate 6 slides horizontally along the guide frame 86 to realize position adjustment.

[0060] By setting the movable frame 14, the pallet 6 is connected to the movable frame 14 through the monitoring assembly 16, the pallet 6 can be determined to contact the base through the monitoring assembly 16, and then the mechanical arm 5 is controlled to stop moving, which is beneficial to accurately control the position of the pallet 6 when the workpiece is automatically disassembled, and ensures that the workpiece after falling off can be completely received; by setting the third motor 13, the initial position of the pallet 6 can be adjusted when the third motor 13 is running, and then the pallet 6 can be suitable for workpieces of different specifications, and the applicability is improved.

[0061] Further, referring to Figures 7-9 , the grinding assembly 9 further comprises a fourth motor 902 and a movable rod 903, the fourth motor 902 is fixed on the movable frame 14, the output shaft of the fourth motor 902 is fixedly connected with a first bevel gear 904, one end of the movable rod 903 is fixedly connected with a rotating shaft 905, the rotating shaft 905 is rotatably connected with the third sliding block 15, the rotating shaft 905 is fixedly connected with a second bevel gear 906, the second bevel gear 906 is engaged with the first bevel gear 904, the other end of the movable rod 903 is fixedly connected with a roller frame 907, the roller frame 907 is rotatably connected with a driving roller 908 and a driven roller 909, the sand belt 901 is connected between the driving roller 908 and the driven roller 909, the roller frame 907 is fixedly connected with a fifth motor 910, and the output shaft of the fifth motor 910 is fixedly connected with the end portion of the driving roller 908;

[0062] Wherein, in the initial state, the roller frame 907, the sand belt 901, the driving roller 908, the driven roller 909 and the fifth motor 910 at the end of the movable rod 903 are all accommodated above the clamp 7, when the clamp 7 works in the sink 2, the height of the roller frame 907, the sand belt 901, the driving roller 908, the driven roller 909 and the fifth motor 910 are all above the horizontal plane;

[0063] In use, when the workpiece after falling off is clamped by the clamp 7 to the outside of the sink 2, the fourth motor 902 is started, the fourth motor 902 drives the first bevel gear 904 to rotate after running, the first bevel gear 904 drives the second bevel gear 906 to rotate when rotating, the second bevel gear 906 drives the rotating shaft 905 to rotate when rotating, the rotating shaft 905 drives the movable rod 903 to rotate when rotating, the movable rod 903 drives the roller frame 907, the sand belt 901, the driving roller 908, the driven roller 909 and the fifth motor 910 at the end to move when rotating, so that the sand belt 901 just fits the fracture surface on the workpiece, then the fifth motor 910 is started, the fifth motor 910 drives the driving roller 908 to rotate after running, and then drives the sand belt 901 to rotate, so as to polish the burr on the fracture surface;

[0064] When different workpieces need to be adapted, the third motor 13 can be used to drive the movable frame 14, the third sliding block 15 and the supporting plate 6 to move, thereby driving the entire grinding assembly 9 to move, so that the initial position of the grinding assembly 9 changes, and the position of the abrasive belt 901 on the grinding assembly 9 can always correspond to the position of the end of the supporting plate 6, which is matched with the connection between the workpiece and the base, that is, the fracture surface of the workpiece. Therefore, when the grinding assembly 9 operates again after adjustment, the abrasive belt 901 can still match the fracture surface on the workpiece, improving the applicability of the grinding assembly 9.

[0065] Further, referring to Figures 6-9 The edge of the movable frame 14 is fixedly connected with a fixed shaft 17, the fixed shaft 17 is rotatably connected with a secondary synchronous wheel 18, the end of the rotating shaft 905 is fixedly connected with a primary synchronous wheel 19, the primary synchronous wheel 19 is connected with the secondary synchronous wheel 18 through a synchronous belt 20, the surface of the secondary synchronous wheel 18 is fixedly connected with a supporting rod 21, the end of the supporting rod 21 is provided with a through hole 22, the end of the supporting rod 21 is sleeved on the transmission shaft 165 through the through hole 22, the through hole 22 includes a first slot which is consistent with the direction of the supporting rod 21 and a second slot which is consistent with the direction of the supporting plate 6, and the first slot and the second slot are in communication with each other.

[0066] Preferably, the fixed shaft 17, the secondary synchronous wheel 18, the primary synchronous wheel 19, the synchronous belt 20 and the supporting rod 21 are provided in two groups and symmetrically distributed on both sides of the supporting plate 6, the diameter of the secondary synchronous wheel 18 is greater than that of the primary synchronous wheel 19, so that the transmission ratio can be adjusted, and the rotation angle of the secondary synchronous wheel 18 is smaller than that of the primary synchronous wheel 19 when the primary synchronous wheel 19 rotates, and the transmission shaft 165 is located at the connection between the first slot and the second slot in the initial state.

[0067] In use, when the grinding assembly 9 operates, the rotating shaft 905 rotates to drive the primary synchronous wheel 19 to rotate, the primary synchronous wheel 19 drives the secondary synchronous wheel 18 to rotate, the secondary synchronous wheel 18 drives the supporting rod 21 to swing, the supporting rod 21 drives the transmission shaft 165 to move, the transmission shaft 165 drives the base block 164 and the supporting plate 6 to move, and the supporting plate 6 moves away from the abrasive belt 901, so that the end of the supporting plate 6 is prevented from contacting the rotating abrasive belt 901, thereby preventing the supporting plate 6 from being damaged.

[0068] Working principle: in use, the main machine 1 operates to cut the workpiece to a certain distance from the fracture position through the molybdenum wire 3, and then stops;

[0069] After the mechanical arm 5 is started, the mechanical arm 5 controls the extension frame 10, the support plate 6 and the clamp 7 on the extension frame 10 to insert into the water, at this time, the two clamping jaws 71 are respectively inserted into the gap on both sides of the workpiece, and the support plate 6 is just inserted into the gap at the bottom of the workpiece, and the end of the support plate 6 also just contacts the base;

[0070] At this time, the first motor 82 is started, and after the first motor 82 operates, the base shaft 83 is rotated, and when the base shaft 83 rotates, the circular sleeve pipe 84 is rotated, and when the circular sleeve pipe 84 rotates, the wave-shaped annular groove 85 on the surface pushes the shaft pin 74 to reciprocate, and the shaft pin 74 reciprocating drives the first sliding block 73 to reciprocate along the first sliding rail 81, and when the first sliding block 73 reciprocates, the second sliding rail 72 and the two clamping jaws 71 on the second sliding rail 72 reciprocate, and the two clamping jaws 71 reciprocating drive the workpiece inside to reciprocate and shake, so that the connection between the workpiece and the base is fatigued and broken, and the broken workpiece is supported by the support plate 6, and then the second motor 76 is started, and the second motor 76 drives the bidirectional screw rod 77 to rotate, and when the bidirectional screw rod 77 rotates, the two second sliding blocks 75 are driven to move, so that the two second sliding blocks 75 are close to each other, and then the workpiece is clamped, and then the mechanical arm 5 shell drives the clamp 7 to move, and then the workpiece is clamped to the outside of the water tank 2, so that the single workpiece is disassembled;

[0071] Then the fourth motor 902 is started, and after the fourth motor 902 operates, the first bevel gear 904 is rotated, and when the first bevel gear 904 rotates, the second bevel gear 906 is rotated, and when the second bevel gear 906 rotates, the rotating shaft 905 is rotated, and when the rotating shaft 905 rotates, the movable rod 903 is rotated, and when the movable rod 903 rotates, the roller frame 907, the sand belt 901, the driving roller 908, the driven roller 909 and the fifth motor 910 at the end are moved, so that the sand belt 901 is just attached to the broken surface on the workpiece, and at the same time, the rotating shaft 905 rotating also drives the main synchronous wheel 19 to rotate, and when the main synchronous wheel 19 rotates, the auxiliary synchronous wheel 18 is rotated, and when the auxiliary synchronous wheel 18 rotates, the supporting rod 21 is swung, and when the supporting rod 21 swings, the transmission shaft 165 is driven to move, and when the transmission shaft 165 moves, the base block 164 and the support plate 6 are moved, and when the support plate 6 moves, it is away from the sand belt 901, so as to avoid the end of the support plate 6 contacting the rotating sand belt 901; finally, the fifth motor 910 is started, and after the fifth motor 910 operates, the driving roller 908 is rotated, and then the sand belt 901 is driven to rotate, so as to polish the burrs on the broken surface;

[0072] By setting the mechanical arm 5, and installing the clamp 7, the supporting plate 6 and the shaking assembly 8 on the mechanical arm 5, first, the clamping jaw 71 on the clamp 7 is forced to shake through the shaking assembly 8, the workpiece in the clamping jaw 71 is forced to break off, then the workpiece is clamped again and taken out, compared with the manual unloading mode, it is more efficient, saves labor, and is safer, suitable for wire cutting machining operation of multiple workpieces, uses the mechanical arm 5 to operate underwater, without frequent drainage and water injection, can also save time, improve the efficiency of wire cutting work, uses the grinding assembly 9 to polish the end face of the disassembled workpiece, and then removes burrs, improves the quality of the workpiece.

[0073] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A contour precision machining center for multi-mouth mold design, comprising a main unit (1), wherein a water tank (2), a molybdenum wire (3), and a machining table (4) are provided on the main unit (1), characterized in that: The side wall of the water tank (2) is also equipped with a robotic arm (5), an extension frame (10) is installed on the robotic arm (5), and a tray (6), a clamp (7), a shaking assembly (8) and a grinding assembly (9) are installed on the extension frame (10); The clamp (7) includes two movable jaws (71) for holding a workpiece; The shaking component (8) is connected to the clamp (7) in a transmission connection. The shaking component (8) is used to drive the clamp (7) to shake in order to break the workpiece. The tray (6) is set at the bottom of the clamp (7). The tray (6) is used to support the detached workpiece and to isolate the workpieces that are adjacent to each other. The grinding assembly (9) includes a rotatable abrasive belt (901) and is used to grind fracture points on a workpiece. The robotic arm (5) operates, extending the clamp (7) and the pallet (6) into the water tank (2), so that the two jaws (71) on the clamp (7) extend to both sides of the workpiece, while the pallet (6) extends to the bottom of the workpiece. The shaking component (8) operates, driving the clamp (7) to move back and forth, forcing the workpiece to shake and break. The fixture (7) operates, forcing the two jaws (71) to move and clamp the broken workpiece. Then the robotic arm (5) operates again, moving the fixture (7) and the workpiece outside the water tank (2). Finally, the grinding assembly (9) operates, using the abrasive belt (901) to grind the broken points on the workpiece to remove burrs.

2. The contour precision machining center for multi-mouth mold design according to claim 1, characterized in that: The robotic arm (5) includes a first slide (51) fixed to the outer wall of the water tank (2), a first movable seat (52) provided on the first slide (51), a second slide (53) fixed on the surface of the first movable seat (52), a second movable seat (54) provided on the second slide (53), a third slide (55) fixed on the surface of the second movable seat (54), a third movable seat (56) provided on the third slide (55), and the top of the extension frame (10) fixedly connected to the third movable seat (56).

3. The contour precision machining center for multi-mouth mold design according to claim 1, characterized in that: The swaying assembly (8) includes a horizontally arranged first slide rail (81), which is fixedly connected to the extension frame (10). A first motor (82) is fixed at one end of the first slide rail (81), and a base shaft (83) is fixed to the output shaft of the first motor (82). The base shaft (83) extends into the interior of the first slide rail (81) and is rotatably connected to the first slide rail (81) at both ends. A round sleeve (84) is fixedly sleeved in the middle of the base shaft (83), and a wavy annular groove (85) is opened on the surface of the round sleeve (84).

4. The contour precision machining center for multi-mouth mold design according to claim 3, characterized in that: The clamp (7) further includes a horizontally arranged second slide rail (72). A first slider (73) is fixedly connected to the outer wall of the second slide rail (72). The first slider (73) is slidably connected to the first slide rail (81). A shaft pin (74) is fixedly connected to the first slider (73). One end of the shaft pin (74) extends into the wavy annular groove (85). The ends of the two grippers (71) are fixedly connected to the second sliders (75). The two second sliders (75) are slidably connected to the second slide rail (72). The ends of the second slide rail (72) are also fixedly connected to the second motor (76). The output shaft of the second motor (76) is fixedly connected to a bidirectional screw (77). The bidirectional screw (77) extends into the interior of the second slide rail (72) and both ends are rotatably connected to the second slide rail (72). The bidirectional screw (77) passes through the two second sliders (75) and is threadedly connected to both second sliders (75).

5. The contour precision machining center for multi-mouth mold design according to claim 1, characterized in that: The pallet (6) is located at the bottom of the first slide rail (81). Two symmetrically distributed guide frames (86) are fixedly connected to the bottom of the first slide rail (81). Both guide frames (86) are provided with horizontal slide grooves. The two sides of the pallet (6) extend into the two horizontal slide grooves respectively.

6. The contour precision machining center for multi-mouth mold design according to claim 5, characterized in that: The extension frame (10) is also provided with a third slide rail (11), a drive screw (12), a third motor (13), and a movable frame (14). The drive screw (12) and the second slide rail (72) are distributed in parallel. The third slide rail (11) is fixedly connected to the extension frame (10). A third slider (15) is slidably connected inside the third slide rail (11). The drive screw (12) is located at the bottom of the extension frame (10) and both ends are rotatably connected to the extension frame (10). The third motor (13) is fixed on the extension frame (10) and its output shaft is fixedly connected to the end of the drive screw (12). The movable frame (14) is sleeved on the drive screw (12) and threadedly connected to the drive screw (12). The top of the movable frame (14) is fixedly connected to the third slider (15). The bottom of the movable frame (14) is connected to the support plate (6) through a monitoring component (16).

7. A contour precision machining center for multi-mouth mold design according to claim 6, characterized in that: The monitoring component (16) includes a strip frame (161) fixed to the bottom of the movable frame (14). The strip frame (161) is movably fitted on the tray (6). Pressure sensors (162) are fixedly connected to both ends of the strip frame (161). A spring (163) is fixedly connected to the pressure-bearing surface of the pressure sensor (162). A base block (164) is fixedly connected to the end of the spring (163) away from the pressure sensor (162). The base block (164) is fixedly connected to the edge of the tray (6). A drive shaft (165) is also fixed to the surface of the base block (164).

8. A contour precision machining center for multi-mouth mold design according to claim 7, characterized in that: The grinding assembly (9) further includes a fourth motor (902) and a movable rod (903). The fourth motor (902) is fixed on the movable frame (14). The output shaft of the fourth motor (902) is fixedly connected to a first bevel gear (904). One end of the movable rod (903) is fixedly connected to a rotating shaft (905). The rotating shaft (905) is rotatably connected to a third slider (15). A second bevel gear (906) is fixedly connected to the rotating shaft (905). The gear (906) meshes with the first bevel gear (904). The other end of the movable rod (903) is fixedly connected to a roller frame (907). The roller frame (907) is rotatably connected to a drive roller (908) and a driven roller (909). The sanding belt (901) is connected between the drive roller (908) and the driven roller (909). A fifth motor (910) is fixed on the roller frame (907). The output shaft of the fifth motor (910) is fixed to the end of the drive roller (908).

9. A contour precision machining center for multi-mouth mold design according to claim 8, characterized in that: The movable frame (14) is fixedly connected to a fixed shaft (17) at its edge. A secondary synchronous pulley (18) is rotatably connected to the fixed shaft (17). A main synchronous pulley (19) is fixedly connected to the end of the rotating shaft (905). The main synchronous pulley (19) is connected to the secondary synchronous pulley (18) via a synchronous belt (20). A support rod (21) is fixedly connected to the surface of the secondary synchronous pulley (18). A through hole (22) is provided at the end of the support rod (21). The end of the support rod (21) is sleeved on the transmission shaft (165) through the through hole (22).

10. A contour precision machining center for multi-mouth mold design according to claim 9, characterized in that: The through hole (22) includes a first strip hole aligned with the direction of the support rod (21) and a second strip hole aligned with the direction of the support plate (6), and the first strip hole and the second strip hole are interconnected.

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