CN109759872B - Automatic feeding and discharging device for vice milling and operation method thereof - Google Patents
Automatic feeding and discharging device for vice milling and operation method thereof Download PDFInfo
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- CN109759872B CN109759872B CN201910144365.4A CN201910144365A CN109759872B CN 109759872 B CN109759872 B CN 109759872B CN 201910144365 A CN201910144365 A CN 201910144365A CN 109759872 B CN109759872 B CN 109759872B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000007599 discharging Methods 0.000 title claims abstract description 20
- 238000003801 milling Methods 0.000 title claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 35
- 238000003754 machining Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 29
- 210000000078 claw Anatomy 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 17
- 230000005489 elastic deformation Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention provides an automatic loading and unloading device for milling of a vice, which comprises a feeding part, a clamping part and an unloading part, wherein during normal operation, the feeding part is used for conveying a vice blank in a vice blank storage bin to the clamping part, the clamping part is used for positioning the clamped vice blank, and the unloading part takes down the machined vice blank from the clamping part and conveys the vice blank to a specified next working procedure machining position. The automatic feeding device realizes full-automatic operation, reduces the labor intensity and the danger of workers, realizes automatic feeding of raw materials, automatic clamping of the raw materials and automatic discharging after the work is finished, and has the advantages of high automation degree, simple structure and convenient operation.
Description
Technical Field
The invention belongs to the technical field of vice milling, relates to a feeding and discharging device for parts in vice milling, and particularly relates to an automatic feeding and discharging device for vice milling and an operation method thereof.
Background
In the existing vice milling production line, the loading and unloading of parts are all manually carried out. The existing production mode has the following defects: 1. the positioning, clamping and discharging of the parts are all completed manually, so that the efficiency is low; 2. the positioning, clamping and discharging of the parts are all completed manually, and certain potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a feeding and discharging device for vice milling and a charging and discharging method thereof, aiming at the defects in the prior art.
In order to achieve the above object, the present invention achieves the above object by the following technical means.
An automatic loading and unloading device for vice milling comprises a feeding part 1, a clamping part 2 and an unloading part 3, wherein the clamping part 2 is positioned on one side of the feeding part 1, the unloading part 3 is arranged between the clamping part 2 and the feeding part 1, the feeding part 1 is used for conveying a vice blank 29 in a vice blank storage bin 11 to the clamping part 2, the clamping part 2 is used for positioning the clamped vice blank 29, and the unloading part 3 is used for taking down the machined vice part blank 29 from the clamping part 2 and conveying the vice part blank to a specified next working procedure machining position;
the feeding part comprises a vice blank storage bin 11, a feeding rodless cylinder 13, a swing cylinder 14, a clamping groove 16, a lifting bottom plate 19 and a fork hydraulic lifting table, a piston rod of the first cylinder 21 is fixedly connected with a forming push handle 22, one end, close to the fork hydraulic lifting table, of the first cylinder mounting plate 20 is fixedly provided with the vice blank storage bin 11, a gap is formed between the bottom end of the vice blank storage bin 11 and the first cylinder mounting plate 20, and the height of the gap is more than or equal to the height of the vice blank 29; the bottom-most vice blank 29 in the vice blank storage bin 11 is positioned in a gap between the vice blank storage bin 11 and the first cylinder mounting plate 20, so that the forming push handle 22 can be conveniently pushed out; a fork hydraulic lifting table is arranged at one end close to the vice blank storage bin 11, a feeding rodless cylinder 13 is fixedly mounted on a lifting top plate 27 of the fork hydraulic lifting table, the swing cylinder 14 is fixedly mounted on a sliding block of the feeding rodless cylinder 13, and the clamping groove 16 is fixed on a piston rod of the swing cylinder 14 and used for loading a vice blank 29;
the clamping component comprises a clamping component bottom plate 31, a fixed clamping plate 32, a fourth hydraulic cylinder 33, a positioning mechanism 35, a fifth hydraulic cylinder 36 and a pressing block 38, wherein the fourth hydraulic cylinder 33 is fixedly installed on one side of the fixed clamping plate 32, the positioning mechanism 35 is fixed on the tail end of a piston rod of the fourth hydraulic cylinder 33, the positioning mechanism 35 is provided with a positioning device, a hole is formed in the side surface of the fixed clamping plate 32 corresponding to the positioning device, the fifth hydraulic cylinder 36 is fixedly installed on the other side of the fixed clamping plate 32, the pressing block 38 is installed on the piston rod of the fifth hydraulic cylinder 36, and when the clamping component is started, the pressing block 38 can push the workpiece vice blank 29 onto the fixed clamping plate 32 to be fixed;
the part of unloading is including getting material backup pad 42, the rodless cylinder 43 of unloading, cylinder mounting panel 44, biax cylinder 45, pneumatic hand claw mounting panel 47, pneumatic hand claw 48, the rodless cylinder 43 of unloading is installed in the one end of getting material backup pad 42 of L shape, the cylinder mounting panel 44 is connected to the slider of rodless cylinder 43 of unloading, the other end fixed mounting of cylinder mounting panel 44 has biax cylinder 45, fixed mounting has pneumatic hand claw mounting panel 47 on the biax cylinder 45, pneumatic hand claw mounting panel 47 bottom is provided with pneumatic hand claw 48 for press from both sides the vice blank 29 of getting the processing and accomplishing.
Further, the contour line of the front end of the forming push handle 22 is consistent with the outer contour line of the vise blank 29, so that the forming push handle 22 can push the vise blank 29 more reliably.
Further, the end surface of the clamping groove 16, which is in contact with the vise blank 29, is provided with a groove matched with the part vise blank outline, and the end of the clamping groove is provided with a protrusion for preventing the clamping groove 16 from causing the raw vise blank 29 to fall when rotating 90 degrees; elastic gaskets 28 are fixedly arranged at three stress points of the groove and the vice blank 29 and are used for adapting to the shape and size errors of the vice blank 29, and the installation on the clamping part 2 can still be completed through the elastic deformation of the elastic gaskets 28.
Further, the positioning device of the positioning mechanism 35 includes a supporting nail 351, a cylindrical pin 352 and a stopper 353, the stopper 353 and the supporting nail 351 respectively support two ends of the vise blank 29, the cylindrical pin 352 is used for positioning the positioning hole 291 of the vise blank 29, the fixed clamping plate 32 is provided with a circular hole and a shaped hole, the shape of which is matched with that of the cylindrical pin 352 and the stopper 353, and the cylindrical pin 352 and the stopper 353 can pass through the corresponding holes to position the vise blank 29.
Further, the front end surface of the cylindrical pin 352 is a line surface with a certain taper to match the position error of the positioning hole 291 of the vise blank 29.
Further, the support nail 351 is provided with a slope, and the surface of the slope is provided with a layer of elastic pad 354, so that even if a certain section of the vise blank 29 has shape and size errors, the positioning of the vise blank 29 can be completed by elastic deformation of the elastic pad 354.
Further, the feeding component further comprises a lifting bottom plate 19, lifting connecting rods 25 and lifting connecting columns 26, the lifting connecting rods are arranged in a crossed manner, one end of one lifting connecting rod 25 is slidably mounted at one end of the lifting bottom plate 19 through a sliding connecting column 24, and the other end of the lifting connecting rod is rotatably mounted on a bottom plate lifting top plate; the other lifting connecting rod 25 is connected to the lifting top plate in a sliding manner, and the other end of the other lifting connecting rod is rotatably arranged on the lifting bottom plate 19; the third hydraulic cylinder pushes a lifting connecting rod which is connected to the end of the lifting bottom plate 19 in a sliding mode so as to control the lifting of the feeding component.
The invention relates to a method for loading and unloading materials by an automatic loading and unloading device for milling of a vice, which comprises the following steps,
s1, a piston rod of a first air cylinder 21 extends out to drive a forming push hand 22 to horizontally move and horizontally move towards a fork type hydraulic lifting platform, a vice blank 29 at the bottommost layer of a vice blank storage bin 11 is pushed into an inner groove of a clamping groove 16, a piston rod of the first air cylinder 21 retracts to drive the forming push hand 22 to horizontally move back to the fork type hydraulic lifting platform, when the forming push hand 22 retracts to an initial position, all the vice blanks 29 in the vice blank storage bin 11 move downwards by the height of one vice blank 29, and the lower surface of the vice blank 29 at the bottommost layer of the vice blank storage bin 11 is in contact with the upper surface of a first air cylinder mounting plate 20;
s2, rotating a piston rod of the swing air cylinder 14 by 90 degrees to enable one side of an opening of the clamping groove 16 to be upward;
s3, horizontally moving a sliding block of the feeding rodless cylinder 13 towards the clamping part 2, and conveying the vice blank 29 to the position of the clamping part 2;
s4, when the positioning hole 291 in the vice blank 29 is overlapped with the axis of the round hole in the fixed clamping plate 32, the piston rod of the fourth hydraulic cylinder 33 extends out to drive the positioning mechanism 35 to move towards the fixed clamping plate 32, the cylindrical pin 352 and the stop block 353 in the positioning mechanism 35 penetrate through the round hole and the shaped hole in the fixed clamping plate 32, the cylindrical pin 352 is matched with the positioning hole 291 in the vice blank 29, the supporting nail 351 is attached to the upper surface 293 of one end of the vice blank 29, the surface 321 of the fixed clamping plate 32 is attached to the surface 292 of the vice blank 29, and the surface of the fixed clamping plate 32, the supporting nail 351, the cylindrical pin 352 and the vice blank 29 form complete positioning of one surface and two pins;
s5, extending out a piston rod of the fifth hydraulic cylinder 36 to drive the pressing block 30 to move towards the direction of the fixed clamping plate 32, pressing the vice blank 29, and starting to machine the vice blank 29 by the machine tool;
s6, after the processing is finished, the piston rod of the fifth hydraulic cylinder 36 retracts to drive the pressing block 30 to move in the direction opposite to the direction of the fixed clamping plate 32, and the processed vice blank 29 is loosened;
s7, moving the sliding block of the discharging rodless cylinder 43 to be right above the processed vice blank 29, extending the piston rod of the double-shaft cylinder 45 to drive the pneumatic claw 48 to move downwards, and clamping the processed vice blank 29 by the pneumatic claw 48;
and S8, retracting a piston rod of the double-shaft cylinder 45 to drive the pneumatic paw 48 to move upwards, moving a slide block of the unloading rodless cylinder 43 to be right above a next-process machine tool workbench, and conveying the processed vice blank 29 to the next-process machine tool to wait for processing of the next process.
Compared with the prior art, the invention has the following beneficial effects:
1. the feeding, positioning, clamping and discharging of the vice blank are all automatically completed, the labor intensity of workers is reduced, and the production efficiency is improved;
2. elastic gaskets are fixedly arranged at the grooves of the clamping grooves and the three stress points of the vice blank, and the clamping parts can still be arranged through elastic deformation of the elastic gaskets as long as the shape error and the size error of the vice blank are within a certain range;
3. the front section of the cylindrical pin of the positioning mechanism is processed into a certain taper, so that the position error of the positioning hole on the vice blank can be ensured to be accurately positioned within a certain range through self-positioning;
4. the positioning mechanism support nail has a certain inclination, and the surface of the positioning mechanism support nail is provided with a layer of elastic gasket, when the shape error and the size error of one section of the vice blank are in a certain range, the positioning of the vice blank can still be completed through the elastic deformation of the elastic gasket;
5. the clamping mechanism consists of a fixed clamping plate and a movable pressing block, and when parts are machined, the generated cutting force points to the fixed clamping plate, so that a vice blank workpiece can be reliably clamped.
Drawings
FIG. 1 is a schematic view of a loading and unloading device for milling of a vise,
figure 2 is a top view of figure 1,
figure 3 is a schematic view of the structure of the feeding component,
figure 4 is a right side view of figure 3,
figure 5 is a top view of figure 3,
figure 6 is a schematic view of the structure of the forming handle 22,
figure 7 is a schematic view of the construction of a vise blank 29,
figure 8 is a schematic view of the vise blank 29 construction (from a different perspective),
figure 9 is a schematic view of the configuration of gripping trough 16,
figure 10 is a schematic view of the structure of the clamping member,
figure 11 is a front view of the view of figure 10,
figure 12 is a top view of figure 10,
figure 13 is a schematic view of the structure of the stationary clamping plate 32,
figure 14 is a schematic view of the positioning mechanism 35,
figure 15 is a schematic view of the structure of the discharging part,
figure 16 is a front view of the view of figure 15,
figure 17 is a top view of figure 15,
wherein the reference numbers indicate:
1. the automatic feeding device comprises a feeding component, a clamping component, a discharging component, a vice blank storage bin, a first cylinder bottom plate, a first feeding rodless cylinder, a swinging cylinder, a clamping groove, a third hydraulic cylinder, a third connecting joint, a 19 lifting bottom plate, a first cylinder mounting plate, a first cylinder, a first forming push handle, a base support frame, a sliding connecting column, a 25 lifting connecting rod, a 26 lifting connecting column, a 27 lifting top plate, an elastic gasket, a 29 vice blank, a 31 clamping component bottom plate, a 32 fixing clamping plate, a fourth hydraulic cylinder, a 34 hydraulic cylinder base, a 35 positioning mechanism, a 36 hydraulic cylinder, a 37 hydraulic cylinder base, a 38 press block, a 351 supporting nail, a 352 conical pin, a 353 stopper, a 354 elastic gasket, a 41 material taking base, a material, a positioning mechanism, a fifth hydraulic cylinder base, a sixth hydraulic cylinder base, a, 42. The material taking device comprises a material taking supporting plate, 43, a discharging rodless cylinder, 44, a cylinder mounting plate, 45, a double-shaft cylinder, 47, a pneumatic paw mounting plate and 48, a pneumatic paw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, an automatic loading and unloading device for milling of a vise comprises a feeding part 1, a clamping part 2 and an unloading part 3, wherein the clamping part 2 is located on one side of the feeding part 1, the unloading part 3 is arranged between the clamping part 2 and the feeding part 1, the feeding part 1 is used for conveying a vise blank in a vise blank storage bin 11 to the clamping part 2, the clamping part 2 is used for positioning the clamped vise blank, and the unloading part 3 is used for taking down a machined vise part from the clamping part 2 and conveying the part to a specified next process machining position.
As shown in fig. 3 to 5, the feeding member 1 includes: a fork hydraulic lifting platform, a vice blank storage bin 11, a first cylinder bottom plate 12, a feeding rodless cylinder 13, a swing cylinder 14, a clamping groove 16, a lifting bottom plate 19, a first cylinder mounting plate 20, a first cylinder 21, a forming push handle 22 and a basic support frame 23.
As shown in fig. 3 to 5, a frame structure formed by connecting the first cylinder mounting plate 20 and the first cylinder bottom plate 12 through four basic support frames 23 is provided, and the first cylinder 21 is fixedly mounted on the first cylinder mounting plate 20 through screws. A piston rod and the shaping pushing hands 22 fixed connection of a cylinder 21 a cylinder mounting panel 20 is close to the fixed vice blank storing storehouse 11 that is equipped with of fork hydraulic lifting platform one end, the bottom of vice blank storing storehouse 11 with be provided with the clearance between a cylinder mounting panel 20, the height more than or equal to in this clearance vice blank 29 is high. The bottom-most vice blank 29 in the storage bin 11 is positioned in a gap between the vice blank storage bin 11 and the first cylinder mounting plate 20, so that the forming push handle 22 can be conveniently pushed out.
A fork type hydraulic lifting platform is arranged at one end close to the storage bin 11, a feeding rodless cylinder 13 is fixedly mounted on a lifting top plate 27 of the fork type hydraulic lifting platform, a swing cylinder 14 is fixedly mounted on a sliding block of the feeding rodless cylinder 13, and a piston rod of the swing cylinder 14 is fixed with a clamping groove 16 for loading a vice blank 29. As shown in fig. 6 to 8, the front section of the forming handle 22 is shaped to conform to the shape of the vise blank 29, which makes it more reliable for the forming handle 22 to push the vise blank 29.
As shown in fig. 4, the lifting bottom plate 19, the lifting connecting rods 25 and the lifting connecting columns 26 are arranged in a crossed manner, wherein one end of one lifting connecting rod 25 is slidably mounted at one end of the lifting bottom plate 19 through the sliding connecting column 24, and the other end is rotatably mounted on the lifting top plate 27; the other lifting connecting rod 25 is connected on the lifting top plate 27 in a sliding way, and the other end of the other lifting connecting rod is rotatably arranged on the lifting bottom plate 19; the third hydraulic cylinder 17 of the lifting motor pushes a lifting connecting rod 25 which is slidably connected to the end of the lifting bottom plate 19 so as to control the lifting of the feeding component.
As shown in fig. 7 to 9, the gripping groove 16 is provided with a groove on the top surface conforming to the outer shape of the vise blank 29 and a certain depth on both end surfaces to prevent the gripping groove 16 from causing the raw vise blank 29 to fall when rotated 90 degrees, and elastic washers 28 are fixedly installed at three stress points of the groove and the vise blank 29, so that when the shape error and the size error of the vise blank 29 are within a certain range, the installation on the clamping part 2 can still be completed by elastic deformation of the elastic washers 28.
When the feeding component 1 is in an initial state, a piston rod of the first cylinder 21 is in a retraction state, a sliding block of the feeding rodless cylinder 13 is located at one end far away from the clamping component 2, a clamping groove 16 is horizontally towards one side of the storage bin 11, a piston rod of the third hydraulic cylinder 17 is in an extension state, the fork type hydraulic lifting platform is in a high position, and the lower surface of an inner groove of the clamping groove 16 is flush with the upper surface of the first cylinder mounting plate 20.
When feeding is needed, the piston rod of the first cylinder 21 extends out to drive the forming push hand 22 to horizontally move towards the direction of the fork hydraulic lifting table, the bottom-most vice blank 29 in the vice blank storage bin 11 is pushed into the inner groove of the clamping slot 16, the piston rod of the first cylinder 21 retracts to drive the forming push hand 22 to horizontally move back to the direction of the fork hydraulic lifting table, when the forming push hand 22 retracts to the initial position, all the vice blanks 29 in the storage bin 11 move downwards by the height of one vice blank 29 due to the action of gravity, the lower surface of the bottom-most vice blank 29 in the vice blank storage bin 11 is contacted with the upper surface of the first cylinder mounting plate 20, the piston rod of the swinging cylinder 14 rotates 90 degrees, the opening side of the clamping slot 16 is upward, the sliding block of the feeding rodless cylinder 13 horizontally moves towards the direction of the clamping component 2, and the vice blank 29 is fed to the proper position of the clamping component 2, the clamping part 2 carries out positioning clamping on the vice blank 29, after the positioning clamping is finished, the fork hydraulic lifting platform descends, the vice blank 29 is separated from the clamping groove 16, the sliding block of the feeding rodless cylinder 13 horizontally moves back to the direction of the clamping part 2, when the clamping part returns to the initial position, the fork hydraulic lifting platform ascends, the piston rod of the swing cylinder 14 rotates in the reverse direction for 90 degrees, and the opening of the forming pushing hand 22 horizontally faces to one side of the vice blank storage bin 11 to wait for the next feeding.
As shown in fig. 10 to 14, the clamping member includes a clamping member bottom plate 31, a fixed clamping plate 32, a No. four hydraulic cylinder 33, a No. four hydraulic cylinder base 34, a positioning mechanism 35, a No. five hydraulic cylinder 36, a No. five hydraulic cylinder base 37, and a pressing block 38. A fourth hydraulic cylinder 33 is fixedly installed on one side of the fixed clamping plate 32, the positioning mechanism 35 is fixed on the tail end of a piston rod of the fourth hydraulic cylinder 33, a positioning device is arranged on the positioning mechanism 35, a hole is formed in the side face of the fixed clamping plate 32 corresponding to the positioning device, a fifth hydraulic cylinder 36 is fixedly installed on the other side of the fixed clamping plate 32, a press block 38 is installed on the piston rod of the fifth hydraulic cylinder 36, and when a clamping component is started, the press block 38 can push a workpiece to the fixed clamping plate 32 to be fixed;
the positioning device of the positioning mechanism 35 comprises a supporting nail 351, a cylindrical pin 352 and a stop 353, wherein the stop 353 and the supporting nail 351 support two ends of the vice blank 29 respectively, the cylindrical pin 352 is used for positioning the positioning hole 291 of the vice blank 29, the fixed clamping plate 32 is provided with a round hole and a shaped hole, the shapes of the cylindrical pin 352 and the stop 353 are matched, and the cylindrical pin 352 and the stop 353 can penetrate through the corresponding holes to position the vice blank 29.
When the feeding component 1 feeds the vice blank 29 to a predetermined position, that is, when the positioning hole 291 on the vice blank 29 coincides with the axis of the circular hole on the fixed clamping plate 32, the piston rod of the fourth hydraulic cylinder 33 extends out to drive the positioning mechanism 35 to move towards the fixed clamping plate 32, the cylindrical pin 352 and the stop 353 on the positioning mechanism 35 penetrate through the circular hole and the shaped hole on the fixed clamping plate 32, the cylindrical pin 352 is matched with the positioning hole 291 on the vice blank 29, the stop 353 is positioned below one end 294 of the vice blank 29 to prevent the clamping mechanism from falling off due to the action of gravity, the support nail 351 is positioned above the other end 293 of the vice blank 29, so that the face 321, the support nail 351 and the cylindrical pin 352 of the fixed clamping plate 32 form a one-face two-pin complete positioning with the vice blank 29, after the positioning is completed, the piston rod of the fifth hydraulic cylinder 36 extends out to drive the pressing block 30 to move, compressing the vise blank 29.
The front end surface of the cylindrical pin 352 is a line surface with a certain taper to match the position error of the positioning hole 291 of the vise blank 29.
The support pins 351 are provided with a taper whose surface is provided with a layer of resilient pads 354, the positioning of the vise blank 29 being achieved by resilient deformation of the resilient pads 354 even if there are shape and size errors in a section of the blank 29.
As shown in fig. 15-17, the discharging component includes a material taking support plate 42, a discharging rodless cylinder 43, a cylinder mounting plate 44, a double-shaft cylinder 45, a pneumatic gripper mounting plate 47, and a pneumatic gripper 48, the discharging rodless cylinder 43 is mounted at one end of the L-shaped material taking support plate 42, a slider of the discharging rodless cylinder 43 is connected to the cylinder mounting plate 44, the double-shaft cylinder 45 is fixedly mounted at the other end of the cylinder mounting plate 44, the pneumatic gripper mounting plate 47 is fixedly mounted on the double-shaft cylinder 45, and the pneumatic gripper 48 is arranged at the bottom of the pneumatic gripper mounting plate 47 and used for clamping the processed vise blank 29.
After the vice blank 29 is machined, the slide block of the unloading rodless cylinder 43 moves to the position right above the machined vice blank 29, the piston rod of the double-shaft cylinder 45 extends out to drive the pneumatic claw 48 to move downwards, the pneumatic claw 48 clamps the machined vice blank 29, the clamping part 2 loosens the machined vice blank 29, the piston rod of the double-shaft cylinder 45 retracts to drive the pneumatic claw 48 to move upwards, the slide block of the unloading rodless cylinder 43 moves to the position right above the next procedure machine tool workbench, and the machined vice blank 29 is conveyed to the next procedure machine tool to wait for machining of the next procedure.
A method for loading and unloading materials by an automatic loading and unloading device for milling of a vice comprises the following steps,
s1, a piston rod of a first air cylinder 21 extends out to drive a forming push hand 22 to horizontally move and horizontally move towards a fork type hydraulic lifting platform, a vice blank 29 at the bottommost layer of a vice blank storage bin 11 is pushed into an inner groove of a clamping groove 16, a piston rod of the first air cylinder 21 retracts to drive the forming push hand 22 to horizontally move back to the fork type hydraulic lifting platform, when the forming push hand 22 retracts to an initial position, all the vice blanks 29 in the vice blank storage bin 11 move downwards by the height of one vice blank 29, and the lower surface of the vice blank 29 at the bottommost layer of the vice blank storage bin 11 is in contact with the upper surface of a first air cylinder mounting plate 20;
s2, rotating a piston rod of the swing air cylinder 14 by 90 degrees to enable one side of an opening of the clamping groove 16 to be upward;
s3, horizontally moving a sliding block of the feeding rodless cylinder 13 towards the clamping part 2, and conveying the vice blank 29 to the position of the clamping part 2;
s4, when the positioning hole 291 in the vice blank 29 is overlapped with the axis of the round hole in the fixed clamping plate 32, the piston rod of the fourth hydraulic cylinder 33 extends out to drive the positioning mechanism 35 to move towards the fixed clamping plate 32, the cylindrical pin 352 and the stop block 353 in the positioning mechanism 35 penetrate through the round hole and the shaped hole in the fixed clamping plate 32, the cylindrical pin 352 is matched with the positioning hole 291 in the vice blank 29, the supporting nail 351 is attached to the upper surface 293 of one end of the vice blank 29, the surface 321 of the fixed clamping plate 32 is attached to the surface 292 of the vice blank 29, and the surface of the fixed clamping plate 32, the supporting nail 351, the cylindrical pin 352 and the vice blank 29 form complete positioning of one surface and two pins;
s5, extending out a piston rod of the fifth hydraulic cylinder 36 to drive the pressing block 30 to move towards the direction of the fixed clamping plate 32, pressing 29, and starting to machine the vice blank 29 by the machine tool;
s6, after the processing is finished, the piston rod of the fifth hydraulic cylinder 36 retracts to drive the pressing block 30 to move in the direction opposite to the direction of the fixed clamping plate 32, and the processed vice blank 29 is loosened;
s7, moving the sliding block of the discharging rodless cylinder 43 to be right above the processed vice blank 29, extending the piston rod of the double-shaft cylinder 45 to drive the pneumatic claw 48 to move downwards, and clamping the processed vice blank 29 by the pneumatic claw 48;
and S8, retracting a piston rod of the double-shaft cylinder 45 to drive the pneumatic paw 48 to move upwards, moving a slide block of the unloading rodless cylinder 43 to be right above a next-process machine tool workbench, and conveying the processed vice blank 29 to the next-process machine tool to wait for processing of the next process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The automatic loading and unloading device for milling of the jaw vices is characterized by comprising a feeding part (1), a clamping part (2) and an unloading part (3), wherein the clamping part (2) is positioned on one side of the feeding part (1), the unloading part (3) is arranged between the clamping part (2) and the feeding part (1), the feeding part (1) is used for conveying a jaw vice blank (29) in a jaw vice blank storage bin (11) to the clamping part (2), the clamping part (2) is used for positioning the clamped jaw vice blank (29), and the unloading part (3) takes down a machined jaw vice part from the clamping part (2) and conveys the jaw vice part to a specified next working procedure machining position;
the feeding part comprises a vice blank storage bin (11), a feeding rodless cylinder (13), a swinging cylinder (14), a clamping groove (16), a lifting bottom plate (19) and a fork hydraulic lifting table, a piston rod of a first cylinder (21) is fixedly connected with a forming push handle (22), the vice blank storage bin (11) is fixedly arranged at one end, close to the fork hydraulic lifting table, of a first cylinder mounting plate (20), a gap is formed between the bottom end of the vice blank storage bin (11) and the first cylinder mounting plate (20), and the height of the gap is more than or equal to that of the vice blank (29); the bottom-most vice blank (29) in the vice blank storage bin (11) is positioned in a gap between the vice blank storage bin (11) and the first cylinder mounting plate (20) so as to be conveniently pushed out by a forming push handle (22); the fork type hydraulic lifting table is arranged at one end close to the vice blank storage bin (11), a feeding rodless cylinder (13) is fixedly mounted on a lifting top plate (27) of the fork type hydraulic lifting table, the swinging cylinder (14) is fixedly mounted on a sliding block of the feeding rodless cylinder (13), and a clamping groove (16) is fixed on a piston rod of the swinging cylinder (14) and used for loading a vice blank (29);
the clamping component comprises a clamping component bottom plate (31), a fixed clamping plate (32), a fourth hydraulic cylinder (33), a positioning mechanism (35), a fifth hydraulic cylinder (36) and a pressing block (38), wherein the fourth hydraulic cylinder (33) is fixedly installed on one side of the fixed clamping plate (32), the positioning mechanism (35) is fixed at the tail end of a piston rod of the fourth hydraulic cylinder (33), a positioning device is arranged on the positioning mechanism (35), a hole is formed in the side face of the fixed clamping plate (32) corresponding to the positioning device, the fifth hydraulic cylinder (36) is fixedly installed on the other side of the fixed clamping plate (32), the pressing block (38) is installed on a piston rod of the fifth hydraulic cylinder (36), and when the clamping component is started, the pressing block (38) can push a vice blank (29) onto the fixed clamping plate (32) to be fixed;
the part of unloading is including getting material backup pad (42), the rodless cylinder of unloading (43), cylinder mounting panel (44), biax cylinder (45), pneumatic hand claw mounting panel (47), pneumatic hand claw (48), the one end of getting material backup pad (42) in L shape is installed in rodless cylinder (43) of unloading, cylinder mounting panel (44) is connected to the slider of rodless cylinder of unloading (43), the other end fixed mounting of cylinder mounting panel (44) has biax cylinder (45), fixed mounting has pneumatic hand claw mounting panel (47) on biax cylinder (45), pneumatic hand claw mounting panel (47) bottom is provided with pneumatic hand claw (48) for press from both sides and get vice blank (29) that processing was accomplished.
2. The automatic loading and unloading device for vice milling as claimed in claim 1, wherein the contour line of the front end of the forming push handle (22) is identical to the outer contour line of the vice blank (29), so that the forming push handle (22) can push the vice blank (29) more reliably.
3. The automatic loading and unloading device for vice milling as claimed in claim 1, wherein the gripping groove (16) is provided with a groove matching the contour of the vice blank (29) at the end surface contacting with the vice blank (29), and the gripping groove (16) is provided with a protrusion at the end for preventing the gripping groove (16) from dropping the vice blank (29) when rotating 90 degrees; elastic gaskets (28) are fixedly arranged at three stress points of the groove and the vice blank (29) and are used for adapting to the shape and size errors of the vice blank (29), and the clamping part (2) can still be mounted through elastic deformation of the elastic gaskets (28).
4. The automatic loading and unloading device for milling of the vice as claimed in claim 1, wherein the positioning device of the positioning mechanism (35) comprises a support nail (351), a cylindrical pin (352) and a stopper (353), the stopper (353) and the support nail (351) respectively support two ends of the vice blank (29), the cylindrical pin (352) is used for positioning the positioning hole (291) of the vice blank (29), the fixed clamping plate (32) is provided with a round hole and a hole with matched shapes of the cylindrical pin (352) and the stopper (353), and the cylindrical pin (352) and the stopper (353) can pass through the corresponding holes to position the vice blank (29).
5. The automatic loading and unloading device for vice milling as claimed in claim 4, wherein the front end face of the cylindrical pin (352) is a line face with a certain taper to match the position error of the positioning hole (291) of the vice blank (29).
6. The automatic unloader of claim 4, wherein the support pins (351) are provided with a taper, and the tapered surface is provided with a layer of elastic pad (354), so that even if there is a shape and size error in a section of the vise blank (29), the positioning of the vise blank (29) can be accomplished by elastic deformation of the elastic pad (354).
7. The automatic loading and unloading device for milling of the vice as claimed in claim 1, wherein the feeding part further comprises a lifting bottom plate (19), lifting connecting rods (25) and lifting connecting columns (26), the lifting connecting rods (25) are arranged in a crossed manner, one end of one lifting connecting rod (25) is slidably mounted on one end of the lifting bottom plate (19) through a sliding connecting column (24), and the other end of the lifting connecting rod is rotatably mounted on a lifting top plate (27); the other lifting connecting rod (25) is connected with the lifting top plate (27) in a sliding way, and the other end of the other lifting connecting rod is rotatably arranged on the lifting bottom plate (19); the third hydraulic cylinder (17) pushes a lifting connecting rod (25) which is connected to the end part of the lifting bottom plate (19) in a sliding mode so as to control the lifting of the feeding component.
8. Method for loading and unloading by means of an automatic loading and unloading device for vice milling according to any one of claims 1-7, characterised in that it comprises the following steps,
s1, a piston rod of a first air cylinder (21) extends out to drive a forming push hand (22) to horizontally move and horizontally move towards the direction of a fork hydraulic lifting table, a vice blank (29) at the bottommost layer of a vice blank storage bin (11) is pushed into an inner groove of a clamping groove (16), a piston rod of the first air cylinder (21) retracts to drive the forming push hand (22) to horizontally move back to the direction of the fork hydraulic lifting table, when the forming push hand (22) retracts to an initial position, all vice blanks (29) in the vice blank storage bin (11) move downwards by the height of one vice blank (29), and the lower surface of the vice blank (29) at the bottommost layer of the vice blank storage bin (11) is in contact with the upper surface of a first air cylinder mounting plate (20);
s2, rotating a piston rod of the swing cylinder (14) by 90 degrees to enable one side of an opening of the clamping groove (16) to be upward;
s3, a sliding block of the feeding rodless cylinder (13) horizontally moves towards the direction of the clamping part (2), and the vice blank (29) is conveyed to the position of the clamping part (2);
s4, when a positioning hole (291) in the vice blank (29) is overlapped with the axis of a round hole in the fixed clamping plate (32), a piston rod of a fourth hydraulic cylinder (33) extends out to drive the positioning mechanism (35) to move towards the direction of the fixed clamping plate (32), a cylindrical pin (352) and a stop block (353) in the positioning mechanism (35) penetrate through the round hole and a shaped hole in the fixed clamping plate (32), the cylindrical pin (352) is matched with the positioning hole (291) in the vice blank (29), a supporting nail (351) is attached to the upper surface (293) of one end of the vice blank (29), a surface (321) of the fixed clamping plate (32) is attached to a surface (292) of the vice blank (29), and the surface of the fixed clamping plate (32), the supporting nail (351) in the positioning mechanism (35) and the cylindrical pin (352) and the vice blank (29) form one-surface-two-pin complete positioning;
s5, extending a piston rod of the fifth hydraulic cylinder (36) out to drive the pressing block (30) to move towards the direction of the fixed clamping plate (32) to press the vice blank (29), and starting to machine the vice blank (29) by the machine tool;
s6, after the processing is finished, a piston rod of the fifth hydraulic cylinder (36) retracts to drive the pressing block (30) to move in the direction opposite to the direction of the fixed clamping plate (32), and the processed vice blank (29) is loosened;
s7, moving a sliding block of the discharging rodless cylinder (43) to a position right above the processed vice blank (29), extending a piston rod of a double-shaft cylinder (45), driving a pneumatic claw (48) to move downwards, and clamping the processed vice blank (29) by the pneumatic claw (48);
s8, a piston rod of the double-shaft cylinder (45) retracts to drive the pneumatic claw (48) to move upwards, a sliding block of the unloading rodless cylinder (43) moves to the position right above a next-process machine tool workbench, and the processed vice blank (29) is conveyed to the next-process machine tool to wait for processing of the next process.
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| CN201910144365.4A CN109759872B (en) | 2019-02-27 | 2019-02-27 | Automatic feeding and discharging device for vice milling and operation method thereof |
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| CN201910144365.4A CN109759872B (en) | 2019-02-27 | 2019-02-27 | Automatic feeding and discharging device for vice milling and operation method thereof |
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| CN109759872B true CN109759872B (en) | 2020-09-22 |
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| CN112573148B (en) * | 2020-11-23 | 2022-05-10 | 江苏科技大学 | Vice blank three-dimensional storage device |
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Effective date of registration: 20240402 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Country or region after: China Address before: 212003, No. 2, Mengxi Road, Zhenjiang, Jiangsu Patentee before: JIANGSU University OF SCIENCE AND TECHNOLOGY Country or region before: China |