CN109732513B - Clamping and fixing structure for machining clamping plate of robot connecting arm - Google Patents
Clamping and fixing structure for machining clamping plate of robot connecting arm Download PDFInfo
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- CN109732513B CN109732513B CN201910209808.3A CN201910209808A CN109732513B CN 109732513 B CN109732513 B CN 109732513B CN 201910209808 A CN201910209808 A CN 201910209808A CN 109732513 B CN109732513 B CN 109732513B
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Abstract
The invention discloses a clamping and fixing structure for machining a clamping plate of a robot connecting arm, which comprises a bottom plate, a mounting plate and a cross beam, wherein the mounting plate is fixedly mounted at the middle end of the top of the bottom plate along the length direction, two ends of the bottom of the mounting plate are fixedly connected with the bottom plate through a bearing plate, two ends of the top of the mounting plate are fixedly connected with fixing seats, the horizontally arranged cross beam is connected between the two fixing seats, two sides of the cross beam are connected with stress plates along the length direction, one side of each stress plate, far away from the stress plate, is connected with a side plate in parallel, and a plurality of inflatable bags are connected between the side plate and the stress plate. This centre gripping fixed knot constructs can carry out the joint to linking arm joint board of different kinds and unidimensional, and linking arm joint integrated circuit board connects stably, and difficult emergence is rocked. The position is accurate in processing, and the processing quality is better. The operation is simple and quick in use, and the adjustment is convenient.
Description
Technical Field
The invention relates to a clamping and fixing structure, in particular to a clamping and fixing structure for machining a clamping plate of a robot connecting arm, and belongs to the field of robot part machining application.
Background
With the continuous development of science and technology, various robots appear in daily production, and in order to control the intelligent motion of the robots and complete various instructions, mechanical arms are often arranged outside the robots, so that the robots can conveniently complete various actions.
However, the existing clamping and fixing structure for machining the clamping plate of the robot connecting arm still has certain defects in use. The clamping plate can only be fixed through simple clamps, the clamping can not be carried out according to different types and different sizes of the clamping plate, and the clamping position is fixed and can not be adjusted according to actual needs. Clamping of the clamping plate is unstable in machining, and machining precision is affected. The vibration force is large during processing, the phenomenon of shaking is easy to occur, and the processing is influenced.
Disclosure of Invention
The invention aims to provide a clamping and fixing structure for machining a clamping plate of a robot connecting arm, which can solve the problems that the existing clamping and fixing structure is simple in structure in use, the clamping plate can only be fixed simply through a clamp, clamping cannot be carried out according to different types and different sizes of the clamping plate, the clamping position is fixed, and adjustment cannot be carried out according to actual requirements. Clamping of the clamping plate is unstable in machining, and machining precision is affected. The vibration force is large during processing, the phenomenon of shaking is easy to occur, and the technical problem of processing is influenced.
The purpose of the invention can be realized by the following technical scheme:
a clamping and fixing structure for machining a clamping plate of a robot connecting arm comprises a bottom plate, a mounting plate and a cross beam, wherein the mounting plate is fixedly mounted at the middle top end of the bottom plate along the length direction, the two bottom ends of the mounting plate are fixedly connected with the bottom plate through a bearing plate, the two top ends of the mounting plate are fixedly connected with fixing seats, the horizontally arranged cross beam is connected between the two fixing seats, stress plates are connected to the two sides of the cross beam along the length direction, a side plate is connected to one side, away from the cross beam, of each stress plate in parallel, a plurality of inflatable bags are connected between the side plate and the stress plate, a plurality of threaded holes are uniformly formed in the middle top end of the cross beam, a plurality of suckers and elastic columns are fixedly connected to the top of the cross beam through the threaded holes;
the top of the bottom plate is connected with two groups of first vertical plates which are longitudinally arranged on one side of the cross beam, the top of the fixed seat is connected with a second vertical plate which is longitudinally arranged, one side of the middle of each first vertical plate is connected with a first oil cylinder which is vertically arranged, one side of the middle of each second vertical plate is connected with a second oil cylinder which is vertically arranged, hydraulic columns are longitudinally connected inside the top ends of the first oil cylinders and the second oil cylinders, and the tops of the hydraulic columns are all in threaded connection with mounting frames;
the top of the first vertical plate is connected with a cross rod through a mounting frame, the top of the cross rod is uniformly connected with a plurality of vertically arranged limiting screw rods along the length direction, two sides of the bottom of the cross rod are respectively provided with a sliding groove along the length direction, the bottom of the cross rod is connected with a positioning plate through the sliding grooves on the two sides in a clamping manner, and the cross rod is arranged right above the cross beam;
the utility model discloses a spacing structure of spacing structure, including first riser, second riser, connecting rod, adjusting bolt, bearing, spacing structure, mounting bracket, connecting rod, limiting bracket, push pedal, a plurality of extrusion spring, adjusting bolt one end runs through the side of spacing structure, just adjusting bolt perpendicular to spacing structure's lateral wall and push pedal are installed to adjusting bolt's tip and the junction of push pedal, spacing structure is "concave" font setting, just the equal joint in both ends of crossbeam is in the inside of spacing structure.
Preferably, the bottom of bottom plate is connected with the base that the level set up, and the top middle-end of base is connected with installs the motor, and the bottom plate is connected through the pivot of vertical setting in the top of motor, and the top of base evenly is connected with the bracing piece of the vertical setting of a plurality of, and the top activity joint of bracing piece has the ball, the bottom of the top butt bottom plate of ball.
Preferably, the one end of horizontal pole and connecting rod all passes through the shank of bolt and connects the mounting bracket, and the one end joint of horizontal pole and connecting rod is in the inside of mounting bracket, and the one end of shank of bolt runs through mounting bracket, horizontal pole and connecting rod, and the one end of shank of bolt is connected with fixation nut.
Preferably, a protective layer is arranged outside the inflatable bag, the protective layer is arranged outside in a granular shape, and one side of the inflatable bag is connected with an exhaust hole.
Preferably, a plurality of damping springs are evenly connected between one side of the side plate and the stress plate, two ends of each damping spring are perpendicular to the stress plate and the side plate respectively, two ends of each side plate are arranged in a circular arc shape, and the side plates are made of elastic materials.
Preferably, the two ends of one side, close to the cross beam, of the stress plate are connected with plugs, the two ends of the side face of the cross beam are provided with jacks, and the stress plate is connected with the cross beam in an inserting mode through the plugs and the jacks.
Preferably, a loading plate is welded at one side of the end part of the fixed seat, and the bottom of the second vertical plate is connected to one side of the loading plate through a bolt.
Preferably, hydraulic tank and air pump are installed respectively at top one side both ends of bottom plate, and hydraulic tank passes through inside oil pump connection first hydro-cylinder and second hydro-cylinder, and the air pump passes through the trachea and connects the gas cell, and the check valve is installed to the trachea with the junction of gas cell, and the circulation direction of check valve is towards the inside of gas cell.
Preferably, both ends of the bottom plate are connected with spare oil cylinders, and the size of each spare oil cylinder is the same as that of the first oil cylinder and that of the second oil cylinder.
Preferably, the clamping and fixing structure comprises the following specific steps:
the method comprises the following steps: the method comprises the following steps that a robot connecting arm clamping plate to be processed is clamped outside a cross beam, different types of elastic columns and suckers are connected to the top of the cross beam through threaded holes according to the internal shape and size of the connecting arm clamping plate before installation, the connecting arm clamping plate is supported at the bottom by the elastic columns, the suckers tightly suck the connecting arm clamping plate from the bottom, side plates on two sides of the cross beam are extruded by the connecting arm clamping plate, damping springs in the connecting arm clamping plate are extruded and contracted, the connecting arm clamping plate is clamped on the upper portion of the cross beam, an air pump is started to fill air into an inflatable bag, the size of the inflatable bag is increased, the side plates are pushed to extrude the inside of the connecting arm clamping plate;
step two: screwing an adjusting bolt to push the push plates to move towards one side of the cross beam, extruding the cross beam from two sides by the two push plates to limit the position of the cross beam, starting a second oil cylinder to drive a hydraulic column to move up and down according to the cross beams with different heights until the height of the mounting frame is consistent with that of the cross beam, starting a first oil cylinder to drive the hydraulic column to move up and down and further drive a cross rod to move up and down, clamping the bottom of the cross rod on the upper portion of a connecting arm clamping plate, pushing a positioning plate at the bottom to move in a sliding groove according to the shape and the size of the connecting arm clamping plate until the bottom of the positioning plate is abutted against the cross beam;
step three: according to the needs of reality in the work, starter motor drives the bottom plate and rotates on base upper portion, and the direction of bottom plate obtains changing, and the ball at top supported the bottom plate in rotating, produced rolling friction with the bottom plate simultaneously, and the bottom plate rotates crossbeam and the rotation of linking arm joint board that drives upper portion.
The invention has the beneficial effects that:
1. through, a plurality of elasticity post and sucking disc are connected at the top of crossbeam to and connect the curb plate in the both sides of crossbeam, make in operation can be according to the inside shape and the size of linking arm joint board, pass through screw hole connection different types of elasticity post and sucking disc at the top of crossbeam, the elasticity post has supported the linking arm joint board in the bottom, the linking arm joint board is closely inhaled from the bottom to the sucking disc, the inside upper end of linking arm joint board obtains the difficult emergence of stable restriction and rocks, stability can obtain improving. The linking arm joint integrated circuit board is connected on the upper portion of crossbeam, and inside damping spring receives the extrusion shrink, and the inseparable contact of curb plate and linking arm joint board, further from the position of both sides restriction linking arm joint board, linking arm joint board is difficult for taking place to rock in the processing, and the condition that linking arm joint board drops from crossbeam upper portion takes place when having avoided follow-up gas cell volume grow, and linking arm joint board installation is more stable swift.
2. Through at crossbeam both sides joint atress board, and connect the gas cell between atress board and curb plate for the linking arm joint board can be supported to the gas cell in the work. The connecting arm joint integrated circuit board is connected behind the upper portion of crossbeam, and the air pump is to the inside gas that fills of gas cell, and the grow of gas cell promotes the inside of curb plate extrusion connecting arm joint board, and connecting arm joint board obtains stable joint, and connecting arm joint board is difficult for taking place to remove in the processing on crossbeam upper portion, and processing is more accurate. The stress plate of crossbeam side passes through the plug and the jack is changed conveniently can adapt to different work demands, can change curb plate and stress plate according to the linking arm joint board of difference in work, and is more convenient in the use, changes simply, can adapt to not unidimensional linking arm joint board.
3. The mounting frame is connected through the second oil cylinder at the two ends of the top of the mounting plate, and the push plates are connected to the two sides of the inside of the mounting frame, so that the adjusting bolt is screwed to push the push plates to move to one side of the cross beam in work, the cross beam is extruded by the two push plates from the two sides, the position of the cross beam is limited, and the two ends of the cross beam are more stable in use. And the second hydro-cylinder can drive the hydraulic pressure post and reciprocate according to the crossbeam of co-altitude not, and until the height of mounting bracket and the highly uniform of crossbeam, the crossbeam of adaptation co-altitude not, the tip of crossbeam can the joint in the inside of mounting bracket, and the crossbeam both ends receive the support of mounting bracket, are consolidated, and crossbeam stability can obtain further improvement, and the crossbeam is difficult for the atress to be out of shape in the processing, work that can be stable.
4. Two sets of first hydro-cylinders are connected through top one side at the bottom plate, and at the top horizontal connection horizontal pole of first hydro-cylinder for the hydraulic column can be moved to first hydro-cylinder energy band during operation and reciprocate, and then drives the horizontal pole and reciprocate, and the joint is on the upper portion of linking arm joint board in horizontal pole bottom. Screwing limiting screw down, limiting screw bottom butt linking arm joint board, limiting screw can follow the top of different high department restriction linking arm joint boards, can adapt to the setting of linking arm joint board top unevenness, and adaptability is good, and linking arm joint board more stable in the processing obtains comprehensive restriction.
5. Through the bottom installation motor at the bottom plate, and at the upper portion joint support pole of base, and at the top swing joint ball of bracing piece, make the motor can drive the bottom plate and rotate on base upper portion, the direction of bottom plate obtains changing, and the ball at top supports the bottom plate in rotating, produce rolling friction with the bottom plate simultaneously, the bottom plate rotates crossbeam and linking arm joint board that drive upper portion and rotates, linking arm joint board can diversified processing, the efficiency of processing is higher, and the stability can be better in rotating, difficult emergence is rocked. This centre gripping fixed knot constructs can carry out the joint to linking arm joint board of different kinds and unidimensional, and linking arm joint integrated circuit board connects stably, and difficult emergence is rocked. The position is accurate in processing, and the processing quality is better. The operation is simple and quick in use, and the adjustment is convenient.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded perspective view of fig. 1 according to the present invention.
Fig. 3 is an isometric view of fig. 2 of the present invention.
Fig. 4 is a front view of fig. 1 of the present invention.
Fig. 5 is a schematic view of a first riser structure of the present invention.
Fig. 6 is a schematic view of a second riser structure of the present invention.
Fig. 7 is a schematic view of the internal structure of the mounting bracket of the present invention.
FIG. 8 is a schematic view of a cross bar according to the present invention.
Fig. 9 is a schematic view of a beam structure according to the present invention.
FIG. 10 is an enlarged view of detail B in FIG. 4 according to the present invention.
FIG. 11 is an enlarged view of detail A in FIG. 2 according to the present invention.
In the figure: 1. a base plate; 2. a base; 3. mounting a plate; 4. a cross beam; 5. a first vertical plate; 6. a second vertical plate; 7. a carrier plate; 8. a support bar; 9. a motor; 10. a first cylinder; 11. a hydraulic column; 12. a cross bar; 13. a limiting frame; 14. a second cylinder; 15. a connecting rod; 16. adjusting the bolt; 17. a compression spring; 18. pushing the plate; 19. a bearing; 20. a bolt shank; 21. fixing a nut; 22. a mounting frame; 23. positioning a plate; 24. a sliding groove; 25. a limit screw; 26. an air-filled bag; 27. an exhaust hole; 28. a protective layer; 29. a damping spring; 30. a side plate; 31. a ball bearing; 32. a fixed seat; 33. a loading plate; 34. an elastic column; 35. a suction cup; 36. a threaded hole; 37. a stress plate; 38. a plug; 39. a hydraulic oil tank; 40. an air pump.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
Referring to fig. 1-11, a clamping and fixing structure for machining a clamping plate of a robot connecting arm comprises a base plate 1, the mounting plate 3 and the cross beam 4 are fixedly mounted at the middle top end of the bottom plate 1 along the length direction, the bottom two ends of the mounting plate 3 are fixedly connected with the bottom plate 1 through a bearing plate 7, fixing seats 32 are fixedly connected at the two top ends of the mounting plate 3, the cross beam 4 horizontally arranged is connected between the two fixing seats 32, stress plates 37 are connected at the two sides of the cross beam 4 along the length direction, a side plate 30 is connected to one side, away from the cross beam 4, of each stress plate 37 in parallel, a plurality of inflatable bags 26 are connected between the side plate 30 and the stress plate 37, a plurality of threaded holes 36 are uniformly formed in the middle top end of the cross beam 4, a plurality of suckers 35 and elastic columns 34 are fixedly connected to the top of the cross beam 4 through the threaded holes 36;
the top of the bottom plate 1 is connected with two groups of longitudinally arranged first vertical plates 5 on one side of the cross beam 4, the top of the fixed seat 32 is connected with a longitudinally arranged second vertical plate 6, one side of the middle of each first vertical plate 5 is connected with a vertically arranged first oil cylinder 10, one side of the middle of each second vertical plate 6 is connected with a vertically arranged second oil cylinder 14, hydraulic columns 11 are longitudinally connected inside the top ends of the first oil cylinders 10 and the second oil cylinders 14, and the tops of the hydraulic columns 11 are all in threaded connection with mounting frames 22;
the top of the first vertical plate 5 is connected with a cross rod 12 through a mounting frame 22, the top of the cross rod 12 is evenly connected with a plurality of vertically arranged limiting screw rods 25 along the length direction, two sides of the bottom of the cross rod 12 are respectively provided with a sliding groove 24 along the length direction, the bottom of the cross rod 12 is clamped with a positioning plate 23 through the sliding grooves 24 on the two sides, and the cross rod 12 is arranged right above the cross beam 4;
the top of second riser 6 is connected with connecting rod 15 through mounting bracket 22, the spacing 13 that the level set up is connected to the one end of connecting rod 15, the inside both sides of spacing 13 all are connected with push pedal 18, be connected with a plurality of extrusion spring 17 between one side of push pedal 18 and the inside lateral wall of spacing 13, one side mid-portion that push pedal 18 is close to the inside lateral wall of spacing 13 is connected with adjusting bolt 16, adjusting bolt 16 one end runs through the side of spacing 13, and adjusting bolt 16 perpendicular to spacing 13's lateral wall and push pedal 18, bearing 19 is installed with push pedal 18's junction to adjusting bolt 16's tip, spacing 13 is "concave" font setting, and the equal joint in spacing 13's in the inside in both ends of crossbeam 4.
As a technical optimization scheme of the invention, a horizontally arranged base 2 is connected with the bottom of a bottom plate 1, a motor 9 is connected with the middle end of the top of the base 2, the top of the motor 9 is connected with the bottom plate 1 through a vertically arranged rotating shaft, a plurality of vertically arranged support rods 8 are uniformly connected with the top of the base 2, balls 31 are movably clamped at the tops of the support rods 8, the tops of the balls 31 are abutted with the bottom of the bottom plate 1, when the connecting arm clamping plate needs to be machined in multiple directions in work, the motor 9 is started to drive the bottom plate 1 to horizontally rotate on the upper part of the base 2, the direction of the bottom plate 1 is changed, the balls 31 at the top support the bottom plate 1 in rotation, rolling friction is generated with the bottom plate 1, the bottom plate 1 rotates to drive a cross beam 4 at the upper part and the connecting arm clamping plate to rotate, the, and the stability in rotation is better, and the shaking is not easy to occur.
As a technical optimization scheme of the invention, one ends of the cross rod 12 and the connecting rod 15 are connected with the mounting frame 22 through the bolt rod 20, one ends of the cross rod 12 and the connecting rod 15 are clamped inside the mounting frame 22, one end of the bolt rod 20 penetrates through the mounting frame 22, the cross rod 12 and the connecting rod 15, one end of the bolt rod 20 is connected with the fixing nut 21, the bolt rod 20 is screwed to drive the cross rod 12 and the connecting rod 15 to rotate at one end of the top of the mounting frame 22, the inclination angles of the cross rod 12 and the connecting rod 15 can be freely adjusted to adapt to different clamping plates of the connecting arms, different working requirements are met, the adjustment is convenient and rapid, the fixing nut 21 is screwed, the bolt rod 20 is fixed, the cross rod 12 and the connecting rod 15.
As a technical optimization scheme of the invention, a protective layer 28 is arranged outside the inflatable bag 26, the protective layer 28 is arranged in a granular shape, one side of the inflatable bag 26 is connected with an exhaust hole 27, the granular protective layer 28 can protect the inflatable bag 26 from being damaged easily, the inflatable bag can be used for a long time in work, the service life is prolonged, the exhaust hole 27 can exhaust gas inside the inflatable bag 26, when the connecting arm clamping plate is required to be taken out after being processed, the exhaust hole 27 is opened, the gas inside the inflatable bag 26 is exhausted outwards, the size is reduced, and the connecting arm clamping plate is convenient to mount and dismount.
As a technical optimization scheme of the invention, a plurality of damping springs 29 are uniformly connected between one side of a side plate 30 and a stress plate 37, two ends of each damping spring 29 are respectively perpendicular to the stress plate 37 and the side plate 30, two ends of each side plate 30 are arranged in an arc shape, the side plates 30 are made of elastic materials, after a connecting arm clamping plate is clamped outside a cross beam 4, each damping spring 29 can push the side plate 30 to move towards one side of the inside of the connecting arm clamping plate, the connecting arm clamping plate can be stably clamped on the upper portion of the cross beam 4 and is not easy to fall off, the subsequent support of an inflatable bag 26 is facilitated, the inflatable bag 26 and the damping springs 29 can play a damping and buffering role in work, the stability of the connecting arm clamping plate is further improved, and the arc-shaped design enables the connecting arm clamping plate to be difficult to damage.
As a technical optimization scheme of the invention, the two ends of one side of the stress plate 37 close to the cross beam 4 are both connected with the plugs 38, the two ends of the side surface of the cross beam 4 are both provided with the jacks, the stress plate 37 is inserted into the cross beam 4 through the plugs 38 and the jacks, the stress plate 37 can be freely and stably installed and detached on the side surface of the cross beam 4 through the plugs 38 and the jacks, the stress plate 37 on the side surface of the cross beam 4 can be conveniently replaced to adapt to different working requirements, and the side plate 30 and the stress plate 37 can be replaced according to different connecting arm clamping plates in working.
As a technical optimization scheme of the invention, a loading plate 33 is welded on one side of the end part of a fixed seat 32, the bottom of a second vertical plate 6 is connected to one side of the loading plate 33 through a bolt, the bottom of the second vertical plate 6 is connected with the fixed seat 32 through the loading plate 33, the second vertical plate 6 is convenient to mount and dismount from one side of the fixed seat 32, and the second vertical plate 6 is simple and quick to replace after being damaged.
As a technical optimization scheme of the invention, two ends of one side of the top of the bottom plate 1 are respectively provided with a hydraulic oil tank 39 and an air pump 40, the hydraulic oil tank 39 is connected with the first oil cylinder 10 and the second oil cylinder 14 through an internal oil pump, the air pump 40 is connected with the inflatable bag 26 through an air pipe, a one-way valve is arranged at the joint of the air pipe and the inflatable bag 26, the flow direction of the one-way valve faces to the inside of the inflatable bag 26, the hydraulic oil tank 39 can provide power for the first oil cylinder 10 and the second oil cylinder 14 and can control the movement of the oil cylinders in work, the air pump 40 can fill air into the inflatable bag 26, the inside of the inflatable bag 26 is supported and expanded by the air, the volume is increased, the air can be tightly supported from two sides to the inside of the connecting arm clamping plate, and the air is limited by the one-way valve.
As a technical optimization scheme of the invention, both ends of the bottom plate 1 are connected with the spare oil cylinders, the size of each spare oil cylinder is the same as that of the first oil cylinder 10 and the second oil cylinder 14, and the first oil cylinder 10 and the second oil cylinder 14 can be replaced in time through the spare oil cylinders after being damaged, so that the working efficiency is improved, and the rapid processing is ensured.
As a technical optimization scheme of the invention, the clamping and fixing structure comprises the following specific steps:
the method comprises the following steps: connecting a robot connecting arm clamping plate to be processed to the outer portion of a cross beam 4, connecting different types of elastic columns 34 and suckers 35 to the top of the cross beam 4 through threaded holes 36 according to the internal shape and size of the connecting arm clamping plate before installation, supporting the connecting arm clamping plate at the bottom by the elastic columns 34, enabling the suckers 35 to tightly suck the connecting arm clamping plate from the bottom, extruding side plates 30 on two sides of the cross beam 4 by the connecting arm clamping plate, extruding and contracting damping springs 29 in the connecting arm clamping plate, connecting the connecting arm clamping plate to the upper portion of the cross beam 4, starting an air pump 40 to fill air into an inflatable bag 26, enabling the size of the inflatable bag 26 to be increased, pushing the side plates 30 to extrude the inside of the connecting arm clamping plate, and stably clamping the;
step two: screwing an adjusting bolt 16 to push plates 18 to move towards one side of a cross beam 4, extruding the cross beam 4 from two sides by the two push plates 18 to limit the position of the cross beam 4, starting a second oil cylinder 14 to drive a hydraulic column 11 to move up and down according to the cross beams 4 with different heights until the height of an installation frame 22 is consistent with that of the cross beam 4, starting a first oil cylinder 10 to drive the hydraulic column 11 to move up and down and further drive a cross rod 12 to move up and down, clamping the bottom of the cross rod 12 on the upper part of a connecting arm clamping plate, pushing a positioning plate 23 at the bottom to move in a sliding groove 24 according to the shape and the size of the connecting arm clamping plate until the bottom of the positioning plate 23 is abutted against the cross beam 4, screwing a limiting;
step three: according to the actual needs in the work, starter motor 9 drives bottom plate 1 and rotates on base 2 upper portion, and the direction of bottom plate 1 obtains changing, and rotates well ball 31 at top and prop up bottom plate 1, produces rolling friction with bottom plate 1 simultaneously, and bottom plate 1 rotates and drives crossbeam 4 and the rotation of linking arm joint board on upper portion.
When the clamping device is used, a robot connecting arm clamping plate to be processed is clamped outside the cross beam 4, different types of elastic columns 34 and suckers 35 are connected to the top of the cross beam 4 through threaded holes 36 according to the internal shape and size of the connecting arm clamping plate before installation, the connecting arm clamping plate is supported by the elastic columns 34 at the bottom, the connecting arm clamping plate is tightly sucked by the suckers 35 from the bottom, the upper end of the inside of the connecting arm clamping plate is stably limited and is not prone to shaking, and stability is improved. The curb plate 30 of 4 both sides of crossbeam receives the extrusion of linking arm joint board, and inside damping spring 29 receives the extrusion shrink, and linking arm joint integrated circuit board is connected on the upper portion of crossbeam 4, curb plate 30 and the inseparable contact of linking arm joint board, further from the position of both sides restriction linking arm joint board, linking arm joint board is difficult for taking place to rock in the processing, and the condition that linking arm joint board drops from crossbeam 4 upper portion takes place when having avoided follow-up gas cell 26 volume grow, and the installation of linking arm joint board is more stable swift. Start air pump 40 and fill gas to the inside of gas cell 26, the volume grow of gas cell 26 promotes the inside of curb plate 30 extrusion linking arm joint board, and the linking arm joint board obtains stable joint, and the linking arm joint board is difficult for taking place to remove in the processing in the position on crossbeam 4 upper portion, and processing is more accurate. Stress plate 37 of crossbeam 4 side is changed conveniently through plug 38 and jack and is adapted to different work demands, can change curb plate 30 and stress plate 37 according to the linking arm joint board of difference in work. Screwing the adjusting bolt 16 to push the push plates 18 to move towards one side of the cross beam 4, extruding the cross beam 4 from two sides by the two push plates 18 to limit the position of the cross beam 4, rotating the adjusting bolt 16 at one side of the push plates 18 through the bearing 19 during screwing, enabling the push plates 18 not to rotate along with the adjusting bolt 16, and enabling the positions of the push plates 18 to be stably changed along the same direction. According to not co-altitude crossbeam 4, start second hydro-cylinder 14 and drive hydraulic column 11 and reciprocate, highly unanimous with crossbeam 4 of height of mounting bracket 22, the tip ability joint of crossbeam 4 is in the inside of mounting bracket 22, and crossbeam 4 both ends receive mounting bracket 22's support, and crossbeam 4 is more stable. The first oil cylinder 10 is started to drive the hydraulic column 11 to move up and down, and further drive the cross rod 12 to move up and down, and the bottom of the cross rod 12 is clamped on the upper portion of the connecting arm clamping plate. Depending on the shape and size of the connecting arm snap plate, the bottom positioning plate 23 is pushed to move inside the sliding slot 24 until the bottom of the positioning plate 23 abuts the cross beam 4, restraining the connecting arm snap plate from different positions. Screw down and move stop screw 25, stop screw 25 bottom butt linking arm joint board, stop screw 25 can be followed the top of different high department restriction linking arm joint board, can adapt to the setting of linking arm joint board top unevenness, and adaptability is good, and linking arm joint board more stable in the processing obtains comprehensive restriction. According to the needs of reality in the work, starter motor 9 drives bottom plate 1 and rotates on 2 upper portions of base, and the direction of bottom plate 1 obtains changing, and the ball 31 at top has supported bottom plate 1 in rotating, produces rolling friction with bottom plate 1 simultaneously, and bottom plate 1 rotates crossbeam 4 and the linking arm joint board that drives upper portion and rotates, and the linking arm joint board can diversified processing, and the efficiency of processing is higher, and the stability can be better in rotating, and difficult the emergence is rocked. The exhaust hole 27 can exhaust the gas in the inflatable bag 26, when the connecting arm clamping plate needs to be taken out after being processed, the exhaust hole 27 is opened, the gas in the inflatable bag 26 is exhausted outwards, the size is reduced, and the connecting arm clamping plate is convenient to mount and dismount.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The clamping and fixing structure for machining the clamping plate of the robot connecting arm is characterized by comprising a bottom plate (1), a mounting plate (3) and a cross beam (4), wherein the mounting plate (3) is fixedly mounted at the middle top end of the bottom plate (1) along the length direction, the bottom two ends of the mounting plate (3) are fixedly connected with the bottom plate (1) through a bearing plate (7), fixing seats (32) are fixedly connected with the two top ends of the mounting plate (3), the cross beam (4) horizontally arranged is connected between the two fixing seats (32), stress plates (37) are connected with the two sides of the cross beam (4) along the length direction, a side plate (30) is parallelly connected to one side, far away from the cross beam (4), of each stress plate (37), a plurality of inflatable bags (26) are connected between the side plate (30) and the stress plates (37), and a plurality of threaded holes (36) are uniformly formed in the middle top end of the cross beam, the top of the cross beam (4) is fixedly connected with a plurality of suckers (35) and elastic columns (34) through threaded holes (36), and the length of the side plate (30) is smaller than that of the cross beam (4);
the top of the bottom plate (1) is connected with two groups of first vertical plates (5) which are longitudinally arranged on one side of the cross beam (4), the top of the fixing seat (32) is connected with a second vertical plate (6) which is longitudinally arranged, one side of the middle part of each first vertical plate (5) is connected with a first oil cylinder (10) which is vertically arranged, one side of the middle part of each second vertical plate (6) is connected with a second oil cylinder (14) which is vertically arranged, the interiors of the top ends of the first oil cylinders (10) and the second oil cylinders (14) are longitudinally connected with hydraulic columns (11), and the tops of the hydraulic columns (11) are all in threaded connection with mounting frames (22);
the top of the first vertical plate (5) is connected with a cross rod (12) through an installation frame (22), the top of the cross rod (12) is evenly connected with a plurality of vertically arranged limiting screw rods (25) along the length direction, two sides of the bottom of the cross rod (12) are respectively provided with a sliding groove (24) along the length direction, the bottom of the cross rod (12) is clamped with a positioning plate (23) through the sliding grooves (24) on the two sides, and the cross rod (12) is arranged right above the cross beam (4);
the top of the second vertical plate (6) is connected with a connecting rod (15) through a mounting rack (22), one end of the connecting rod (15) is connected with a horizontally arranged limiting frame (13), both sides of the interior of the limiting frame (13) are connected with push plates (18), a plurality of extrusion springs (17) are connected between one side of the push plate (18) and the inner side wall of the limit frame (13), the middle part of one side of the push plate (18) close to the inner side wall of the limit frame (13) is connected with an adjusting bolt (16), one end of the adjusting bolt (16) penetrates through the side surface of the limiting frame (13), the adjusting bolt (16) is vertical to the side wall of the limiting frame (13) and the push plate (18), a bearing (19) is arranged at the joint of the end part of the adjusting bolt (16) and the push plate (18), the limiting frame (13) is arranged in a concave shape, and the two ends of the cross beam (4) are clamped in the limiting frame (13).
2. The clamping fixing structure for machining the clamping plate of the robot connecting arm according to claim 1 is characterized in that a horizontally arranged base (2) is connected to the bottom of the base plate (1), a motor (9) is connected to the middle end of the top of the base (2), the top of the motor (9) is connected with the base plate (1) through a vertically arranged rotating shaft, a plurality of vertically arranged supporting rods (8) are evenly connected to the top of the base (2), a ball (31) is movably clamped to the top of each supporting rod (8), and the top of the ball (31) abuts against the bottom of the base plate (1).
3. The clamping fixing structure for machining the clamping plate of the robot connecting arm is characterized in that one ends of the cross rod (12) and the connecting rod (15) are connected with the mounting frame (22) through the bolt rod (20), one ends of the cross rod (12) and the connecting rod (15) are clamped inside the mounting frame (22), one end of the bolt rod (20) penetrates through the mounting frame (22), the cross rod (12) and the connecting rod (15), and one end of the bolt rod (20) is connected with the fixing nut (21).
4. The clamping and fixing structure for machining the clamping plate of the robot connecting arm according to claim 1, wherein a protective layer (28) is arranged outside the inflatable bag (26), the protective layer (28) is arranged outside in a granular shape, and one side of the inflatable bag (26) is connected with an exhaust hole (27).
5. The clamping and fixing structure for machining the clamping plate of the robot connecting arm according to claim 1 is characterized in that a plurality of damping springs (29) are uniformly connected between one side of the side plate (30) and the stress plate (37), two ends of each damping spring (29) are perpendicular to the stress plate (37) and the side plate (30) respectively, two ends of each side plate (30) are arranged in a circular arc shape, and each side plate (30) is made of elastic materials.
6. The clamping and fixing structure for machining the clamping plate of the robot connecting arm according to claim 1 is characterized in that two ends of one side, close to the cross beam (4), of the stress plate (37) are connected with plugs (38), two ends of the side face of the cross beam (4) are provided with jacks, and the stress plate (37) is connected with the cross beam (4) in an inserting mode through the plugs (38) and the jacks.
7. The clamping and fixing structure for machining the clamping plate of the robot connecting arm according to claim 1, wherein a loading plate (33) is welded to one side of the end of the fixing seat (32), and the bottom of the second vertical plate (6) is connected to one side of the loading plate (33) through a bolt.
8. The clamping fixing structure for machining the clamping plate of the robot connecting arm according to claim 1 is characterized in that a hydraulic oil tank (39) and an air pump (40) are respectively installed at two ends of one side of the top of the bottom plate (1), the hydraulic oil tank (39) is connected with the first oil cylinder (10) and the second oil cylinder (14) through an internal oil pump, the air pump (40) is connected with the inflatable bag (26) through an air pipe, a one-way valve is installed at the joint of the air pipe and the inflatable bag (26), and the flowing direction of the one-way valve faces to the inside of the inflatable bag (26).
9. The clamping and fixing structure for machining the clamping plate of the robot connecting arm according to claim 1 is characterized in that two ends of the bottom plate (1) are both connected with standby oil cylinders, and the size of each standby oil cylinder is the same as that of the first oil cylinder (10) and that of the second oil cylinder (14).
10. The clamping and fixing structure for machining the clamping plate of the robot connecting arm according to claim 1, wherein the clamping and fixing structure is used by the following specific steps:
the method comprises the following steps: the robot connecting arm clamping plate to be processed is clamped outside the cross beam (4), different types of elastic columns (34) and suckers (35) are connected to the top of the cross beam (4) through threaded holes (36) according to the internal shape and size of the connecting arm clamping plate before installation, the connecting arm clamping plate is supported by the elastic columns (34) at the bottom, the connecting arm clamping plate is tightly sucked by the suckers (35) from the bottom, side plates (30) on two sides of the cross beam (4) are extruded by the connecting arm clamping plate, damping springs (29) inside the cross beam are extruded and contracted, the connecting arm clamping plate is clamped on the upper portion of the cross beam (4), an air pump (40) is started to fill air into the inflatable bag (26), the size of the inflatable bag (26) is increased, the side plates (30) are pushed to extrude the inside of the connecting arm clamping plate, and the connecting arm clamping plate is;
step two: screwing the adjusting bolt (16) to push the push plates (18) to move towards one side of the cross beam (4), extruding the cross beam (4) from two sides by the two push plates (18) to limit the position of the cross beam (4), according to the cross beams (4) with different heights, the second oil cylinder (14) is started to drive the hydraulic column (11) to move up and down until the height of the mounting frame (22) is consistent with the height of the cross beam (4), the first oil cylinder (10) is started to drive the hydraulic column (11) to move up and down, thereby driving the cross rod (12) to move up and down, the bottom of the cross rod (12) is clamped at the upper part of the connecting arm clamping plate, according to the shape and the size of the connecting arm clamping plate, the bottom positioning plate (23) is pushed to move in the sliding groove (24) until the bottom of the positioning plate (23) is abutted to the cross beam (4), the limiting screw rod (25) is screwed downwards, and the bottom of the limiting screw rod (25) is abutted to the connecting arm clamping plate;
step three: according to the actual needs in the work, starter motor (9) drive bottom plate (1) and rotate on base (2) upper portion, and the direction of bottom plate (1) obtains changing, and rotates in ball (31) the support of top bottom plate (1), produces rolling friction with bottom plate (1) simultaneously, and bottom plate (1) rotates crossbeam (4) and the rotation of linking arm joint board that drives upper portion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910209808.3A CN109732513B (en) | 2019-03-19 | 2019-03-19 | Clamping and fixing structure for machining clamping plate of robot connecting arm |
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| CN201910209808.3A CN109732513B (en) | 2019-03-19 | 2019-03-19 | Clamping and fixing structure for machining clamping plate of robot connecting arm |
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| CN109732513B true CN109732513B (en) | 2020-08-11 |
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| CN110900743B (en) * | 2019-12-19 | 2022-01-28 | 浙江恋尚家居品有限公司 | High-grade mahogany furniture processing fixture |
| CN112642807B (en) * | 2020-12-26 | 2021-12-17 | 枣庄科顺数码有限公司 | Be used for main frame vibrations dust collector |
| CN114523045B (en) * | 2022-04-24 | 2022-08-12 | 南通新强机床制造有限公司 | Clamp for machine tool and machine tool using same |
| CN114935633B (en) * | 2022-04-28 | 2023-09-22 | 广西卫生职业技术学院 | Biological test experimental device for mangosteen water decoction |
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| US4303054A (en) * | 1980-05-01 | 1981-12-01 | Lopre Products, Inc. | Detachable magnetic base for machine tool table |
| CN2880390Y (en) * | 2006-02-24 | 2007-03-21 | 贵阳铝镁设计研究院 | Gas bag type clamp |
| CN200960630Y (en) * | 2006-10-23 | 2007-10-17 | 宝山钢铁股份有限公司 | Sample polishing clamp |
| CN203900580U (en) * | 2014-05-29 | 2014-10-29 | 浙江瑞兴阀门有限公司 | Swing type cover plate slot milling machine of valve |
| CN204366543U (en) * | 2014-12-01 | 2015-06-03 | 郑州精益达汽车零部件有限公司 | The lifting force pole socket recruitment dress of horizontal Machining centers processing passenger car axle |
| CN105643022B (en) * | 2016-02-29 | 2018-05-11 | 中山市翔实机械设备有限公司 | One kind mechanical processing uses drilling and tapping all-in-one machine |
| CN206912757U (en) * | 2017-06-02 | 2018-01-23 | 湖南机电职业技术学院 | A kind of easy-operating clamping device |
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