CN112171343A - Accessory of flexible clamping mechanism for machine tool - Google Patents
Accessory of flexible clamping mechanism for machine tool Download PDFInfo
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- CN112171343A CN112171343A CN202011153927.0A CN202011153927A CN112171343A CN 112171343 A CN112171343 A CN 112171343A CN 202011153927 A CN202011153927 A CN 202011153927A CN 112171343 A CN112171343 A CN 112171343A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention relates to the field of machine tool clamping, in particular to an accessory of a flexible clamping mechanism for a machine tool, which comprises a bottom clamping mechanism, two left side clamping mechanisms and a right side clamping mechanism, wherein a first air passage for tightly clamping the bottom of a workpiece is formed in the inner side of the bottom clamping mechanism, a first suction pipe assembly for tightly sucking the two left side surfaces of the workpiece is arranged on the left side clamping mechanism, a second suction pipe assembly for tightly sucking the two right side surfaces of the workpiece is arranged on the right side clamping mechanism, and a flexible clamping mechanism for the machine tool and a using method thereof are characterized in that the traditional method for clamping the workpiece by suction and elasticity is replaced by the action of the bottom clamping mechanism, the right side clamping mechanism and the left side clamping mechanism, so that the clamped workpiece can clamp not only light-load objects but also heavy-load objects, and when the cutting force on the workpiece is increased, the workpiece can be tightly clamped by increasing the suction force, and the suction force of the gas is increased, so that the surface of the workpiece cannot be damaged by clamping.
Description
This application is based on the division of the first examination comment notice with no uniqueness as indicated by the parent application 2020100419400.
Technical Field
The invention relates to the field of machine tool clamping, in particular to an accessory of a flexible clamping mechanism for a machine tool.
Background
Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization
Chinese patent application No.: CN 201710272025.0; the publication date is as follows: 2019.04.05 discloses a flexible clamping type manipulator body mechanism comprising: the self-adaptive valve body clamping device comprises a support, a self-adaptive manipulator for realizing a carrying function and a clamp body for placing a valve body, wherein the self-adaptive manipulator is fixedly connected to the support, and the clamp body is positioned in a clamping range of the self-adaptive manipulator; the adaptive manipulator includes: the device comprises fingers, a front cylinder, a rear cylinder, an upper cylinder, a lower cylinder, a finger cylinder, a palm, a push plate, a connecting plate, a main sliding plate, a secondary sliding plate, a transverse linear guide rail, a longitudinal linear guide rail and a discharging shaft. The valve body is clamped by the hand finger under the action of elastic force due to the elastic constraint of the O-shaped hoop, the whole clamping process is simple and clear in action, and the valve body can be automatically clamped by the hand finger after being inserted into the hand finger; meanwhile, the fingers automatically adapt to the valve bodies with different outer diameters.
Chinese patent application No.: CN 201711260919.4; the publication date is as follows: 2019.11.05 discloses flexible centre gripping rotary device and flexible centre gripping rotary mechanism, includes: a base body; the rotating shaft is rotatably arranged on the seat body and is used for being in transmission connection with external driving equipment; the clamping mechanism is arranged on the base body and comprises a propelling component and a clamping component, the clamping component comprises a flexible clamping part, the propelling component is in transmission connection with the rotating shaft, and the propelling component is used for driving the clamping component and enabling the flexible clamping part to clamp or expand the part; the limiting mechanism is used for blocking the propelling component from rotating and is arranged on the base body; and a torque sensor for detecting a torque of the rotating shaft. The flexible clamping and rotating mechanism comprises a driving motor and a flexible clamping and rotating device. The flexible clamping and rotating device and the flexible clamping and rotating mechanism can clamp parts with different shapes more quickly and stably, ensure that the parts rotate to meet the processing requirements, and are not easy to lose efficacy.
The two inventions have the following disadvantages:
1. the elastic force of the rubber is used for clamping, so that the purpose of flexible clamping can be achieved, but the elastic force of the rubber is constant, so that only objects with light loads can be clamped, and objects with heavy loads are difficult to clamp.
2. When the threshold value of the torque sensor is reached, the clamping mechanism does not stop moving, so that the purpose of flexibly clamping the workpiece is achieved, if the cutting force of the machining equipment for machining the workpiece is increased, the threshold value of the torque sensor needs to be increased, and after the threshold value is changed, the clamp cannot avoid clamping the surface of the workpiece.
Disclosure of Invention
The invention aims to provide a flexible clamping mechanism for a machine tool and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flexible clamping mechanism for a machine tool is provided, which comprises a bottom suction mechanism, two left side suction mechanisms and a right side suction mechanism, wherein the bottom suction mechanism is fixedly arranged on the machine tool, the two left side suction mechanisms and the right side suction mechanism are both positioned at the top of the bottom suction mechanism, the two left side suction mechanisms are positioned at two sides of the top of the bottom suction mechanism which are mutually symmetrical, the two right side suction mechanisms are positioned at two sides of the top of the bottom suction mechanism which are mutually symmetrical, the two left side suction mechanisms and the right side suction mechanism form a frame structure, the two left side suction mechanisms and the right side suction mechanism are in sliding connection, the bottoms of the two left side suction mechanisms are in sliding connection with the bottom suction mechanism through a first guide sliding component, the bottoms of the two right side suction mechanisms are in sliding connection with the bottom suction mechanism through a second guide sliding component, and a first air passage at the bottom of a suction workpiece is arranged at the inner side of the bottom suction mechanism, the first guide sliding assembly and the second guide sliding assembly are located in the first air duct, the first air duct is connected with an air source through an air inlet pipe, a first suction pipe assembly tightly sucked with two left side faces of the workpiece is arranged on the left suction mechanism, a second air duct communicated with the first suction pipe assembly is formed in the left suction mechanism and the first guide sliding assembly, a second suction pipe assembly tightly sucked with two right side faces of the workpiece is arranged on the right suction mechanism, a third air duct communicated with the first air duct and the second suction pipe assembly is formed in the right suction mechanism and the second guide sliding assembly, and four supporting legs are fixedly arranged at the bottom of the bottom suction mechanism.
Further, the bottom suction mechanism comprises a bottom plate and a sealing plate, the sealing plate is fixedly arranged at the top of the bottom plate, two guide sliding grooves are arranged on the bottom plate and are staggered with each other, a round through hole is arranged at the staggered position of the two guide sliding grooves, the air inlet pipe is positioned at the bottom of the round through hole, the air inlet pipe is fixedly connected with the bottom plate, the two first guide sliding assemblies and the two second guide sliding assemblies are respectively positioned in the two guide sliding grooves, the top of the sealing plate is provided with four air suction grooves which are positioned at the tops of the two guide sliding grooves, the four air suction grooves are uniformly distributed at ninety degrees along the circumferential direction of the air inlet pipe, the guide sliding groove and the air suction grooves form a first air passage, the guide sliding groove and the sealing plate on the bottom plate form a strip-shaped closed space, the bottom of the air suction grooves is connected with the top of the closed space, and the outer edges of the first guide sliding component and the second guide sliding component are in sealing fit with the inner wall of the closed space in the circumferential direction.
Further, every first smooth subassembly of leading all includes first sealed slider and first connection slider, the sealed laminating of the circumferencial direction inner wall of the four walls along the axis of first sealed slider and enclosure space, through bolt fixed mounting at the top of first sealed slider, and the bottom fixed connection of tight mechanism is inhaled with the left side to first connection slider top through the groove of breathing in, and seted up first air channel on the first sealed slider, it has the first gas pocket of inhaling the inside intercommunication of tight mechanism with first air channel and left side to open on the first connection slider, the frame shape through-hole with first gas pocket intercommunication is seted up at the top of first air channel, and the sealed laminating in both sides and the groove length direction's of breathing in both sides of the mutual symmetry of first connection slider.
Furthermore, each left-side tightening mechanism comprises a first supporting frame body and a first cushion rubber pad, the first supporting frame body is fixedly arranged at the top of the first connecting slide block, the first cushion rubber pad is fixedly arranged at one side of the first supporting frame body close to the workpiece, a first air storage bin is arranged in the first supporting frame body, a first suction pipe assembly is arranged in the first air storage bin, a first perforation for the suction of the first suction pipe assembly to pass through is arranged on the first cushion rubber pad, a frame-shaped through hole communicated with the first air hole is arranged at the bottom of the first air storage bin, a first sealing cover plate is covered at the top of the first air storage bin, the first sealing cover plate is fixedly connected with the first supporting frame body, a first strip-shaped guide slide hole and a second strip-shaped guide slide hole for the right-side tightening mechanism to slide are arranged on the first cushion rubber pad and the first supporting frame body, and four first strip-shaped material accommodating holes are arranged on the first cushion rubber pad, first magnets are installed in the four first strip-shaped material accommodating holes, the first magnets are magnetically connected with the first supporting frame body, and the first gas storage bin, the first vent groove and the first air hole form a second air passage.
Furthermore, every second is led smooth subassembly and is all included second sealed slider and second and is connected the slide opening, the sealed laminating of the circumferencial direction inner wall along the axis of the four walls of second sealed slider and enclosure space, through bolt fixed mounting at the top of second sealed slider, and the bottom fixed connection that the slide opening top was passed suction slot and right side and is inhaled tight mechanism, and seted up the second air channel on the second sealed slider, it has the second gas pocket with the inside intercommunication of second air channel and right side and inhale tight mechanism to open on the second connection slide opening, the frame shape through-hole with the second gas pocket intercommunication is seted up at the top in second air channel, and the sealed laminating of the both sides of the mutual symmetry of second connection slide opening and suction slot length direction's both sides.
Furthermore, each right-side suction mechanism comprises a second supporting frame body and a second buffer rubber pad, the second supporting frame body is fixedly arranged at the top of the second connecting sliding hole, the second buffer rubber pad is fixedly arranged at one side of the second supporting frame body close to the workpiece, a second air storage bin is arranged in the second supporting frame body, a second suction pipe assembly is arranged in the second air storage bin, a second through hole for allowing the suction force of the second suction pipe assembly to pass through is arranged on the second buffer rubber pad, a frame-shaped through hole communicated with the second air hole is arranged at the bottom of the second air storage bin, a second sealing cover plate is covered at the top of the second air storage bin, the second sealing cover plate is fixedly connected with the second supporting frame body, and a first strip-shaped sliding block and a second strip-shaped sliding block which are slidably connected with the first strip-shaped guiding sliding hole and the second strip-shaped guiding sliding hole are fixedly arranged on the second supporting frame body and the second buffer rubber pad, and two second strip-shaped material containing holes are formed in the second strip-shaped sliding block, second magnets are installed in the two second strip-shaped material containing holes and are magnetically connected with the first strip-shaped sliding block, and the second air storage bin, the second air grooves and the second air holes form a third air passage.
Further, first straw subassembly includes pipette rack and a plurality of straw, the pipette rack is inserted and is established in first gas storage storehouse, and the one end of every straw all passes first perforation and first supporting framework and pipette rack joint, set up on the pipette rack and supply straw male round hole, and fixedly on the outer fringe of straw one end be provided with two bar fixture blocks, it dodges the breach to be provided with two bars that supply the bar fixture block to pass in the outer fringe of round hole, and the pipette rack is kept away from one side of straw and is seted up the bar card hole that supplies two bar fixture block cards to go into, first straw subassembly and second straw subassembly structure are the same.
Furthermore, the bottom of the first sealing cover plate is fixedly provided with a first strip-shaped insertion block, the first strip-shaped insertion block is inserted into the first gas storage bin, the two sides of the first strip-shaped insertion block are equally abutted to the suction pipe and the first supporting frame body respectively, and the bottom of the second sealing cover plate is fixedly provided with two second strip-shaped insertion blocks used for clamping the second suction pipe assembly.
A use method of a flexible clamping mechanism for a machine tool is characterized by comprising the following steps:
s1: mounting a workpiece:
placing a workpiece on the top of the bottom suction mechanism, and then pushing the two left side suction mechanisms and the right side suction mechanism to enable the two left side suction mechanisms and the right side suction mechanism to be respectively attached to the periphery of the workpiece;
s2: tightly sucking the bottom of the workpiece:
connecting a gas suction source with a gas inlet pipe, and tightly sucking the bottom of the workpiece under the action of a first gas passage;
s3: and (3) tightly sucking the right side surface of the workpiece:
after the right side suction mechanism is attached to the right side surface of the workpiece, the right side suction mechanism is communicated with a third air passage through a first air inlet, so that suction is introduced into a second suction pipe assembly along the third air passage, and the two right side surfaces of the workpiece are tightly sucked through the second suction pipe assembly;
s4: tightly sucking the left side surface of the workpiece:
the left side is inhaled tight mechanism and is laminated the back with the work piece left surface, through first air to with the second air flue intercommunication, and then with suction along the leading-in first suction tube subassembly of second air flue in, inhale tightly through first suction tube subassembly to two right flanks of work piece.
The invention has the beneficial effects that: firstly, a workpiece is placed on the top of a sealing plate by a worker, then the left side suction mechanism and the right side suction mechanism are slid, so that the left side suction mechanism drives a first guide sliding assembly to move, the right side suction mechanism drives a second guide sliding assembly to move, when a first buffer rubber pad moving to the left side suction mechanism is attached to the left side two ends of the workpiece, a second buffer rubber pad on the right side suction mechanism is attached to the right side two ends of the workpiece, after the attachment, a suction source is connected with an air inlet pipe, the second seal sliding block and the first seal sliding block are in seal attachment with the inner wall of the closed space in the circumferential direction, so that after the workpiece is placed on the bottom suction mechanism, the unnecessary closed space can be blocked by the second seal sliding block and the first seal sliding block, the suction force of the suction source enters the closed space along the air inlet pipe, and then the suction force sucks the workpiece tightly through a suction groove at the top of the closed space, after the right side suction mechanism is attached to the right side surface of the workpiece, the suction force is communicated with the third air passage through the first air passage, the suction force is further introduced into the suction pipes on the plurality of second suction pipe assemblies, the two right side surfaces of the workpiece are sucked tightly through the suction pipes, after the second suction pipe assemblies are sucked tightly with the workpiece, the workpiece is buffered through the buffering effect of the second buffer rubber pads, the damage of the second suction pipe assemblies to the workpiece touch is avoided, the second through holes are tightly attached to the surface of the workpiece through the second buffer rubber pads, the suction force on the suction pipes completely acts on the two right side surfaces of the workpiece, after the left side suction mechanism is attached to the left side surface of the workpiece, the suction force is further introduced to the first strip-shaped guide sliding holes on the first suction pipe assemblies through the communication of the first air passage and the second air passage, and the two left side surfaces of the workpiece are sucked tightly through the suction pipes, after the suction pipe and the workpiece are tightly sucked, the workpiece is buffered through the buffering effect of the first buffer rubber pad, the damage of the first suction pipe assembly to the workpiece touch is avoided, the first buffer rubber pad is made of rubber, the first through hole is tightly attached to the surface of the workpiece, the suction force on the suction pipe is completely applied to two right side faces of the workpiece, and the workpiece is fixed.
According to the flexible clamping mechanism for the machine tool and the using method thereof, the traditional method for clamping the workpiece through suction and elasticity is replaced by the action of the bottom suction mechanism, the right side suction mechanism and the left side suction mechanism, so that the clamped workpiece can clamp not only light-load objects but also heavy-load objects, and when the cutting force to the workpiece is increased, the workpiece can be tightly clamped by increasing the suction, the suction of gas is increased, and the surface of the workpiece cannot be clamped.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is an exploded perspective view of the present invention;
FIG. 3 is an exploded view of a portion of the present invention;
FIG. 4 is an exploded perspective view of the bottom suction mechanism;
FIG. 5 is a schematic view of a partial perspective structure of the bottom suction mechanism;
FIG. 6 is an exploded perspective view of the first slide guide assembly;
FIG. 7 is an exploded view of a portion of the present invention;
FIG. 8 is an exploded perspective view of the left side suction mechanism;
FIG. 9 is an exploded perspective view of the second slide guide assembly;
FIG. 10 is an exploded perspective view of the right side suction mechanism;
FIG. 11 is a schematic perspective view of the first straw assembly;
FIG. 12 is a perspective view of the straw;
FIG. 13 is a schematic perspective view of a pipette holder;
FIG. 14 is an enlarged view of a portion of FIG. 13 at A;
FIG. 15 is a schematic perspective view of the first and second sealing caps;
in the figure:
1. a bottom suction mechanism; 1a, a bottom plate; 1a1, a guide chute; 1a2, intake pipe; 1b, a sealing plate; 1b1, suction slot;
2. a left side suction mechanism; 2a, a first support frame; 2a1, a first bar-shaped guide slide hole; 2a2, a first gas storage bin; 2b, a first cushion rubber pad; 2b1, first bar-shaped material-receiving hole; 2b2, first perforation; 2b3, a second strip-shaped guide sliding hole; 2c, a first straw assembly; 2c1, straw; 2c11, a strip fixture block; 2c2, pipette stand; 2c21, round hole; 2c22, strip-shaped avoiding gaps; 2c23, strip-shaped clamping holes; 2d, a first sealing cover plate; 2d1, first bar insert; 2e, a first magnet;
3. a right suction mechanism; 3a, a second supporting frame body; 3a1, first bar slide; 3a2, a second gas storage bin; 3b, a second cushion rubber pad; 3b1, a second strip-shaped material containing hole; 3b2, second perforation; 3b3, a second bar-shaped sliding block; 3c, a second straw assembly; 3d, a second sealing cover plate; 3d1, a second strip-shaped insert block; 3e, a second magnet;
4. supporting legs;
5. a first slide guide assembly; 5a, a first sealing slide block; 5a1, a first vent channel; 5b, a first connecting slide block; 5b1, first air vent;
6. a second sliding guide assembly; 6a, a second sealing slide block; 6a1, a second vent groove; 6b, a second connecting slide hole; 6b1, second air hole.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 15, a flexible clamping mechanism for a machine tool comprises a bottom suction mechanism 1, two left side suction mechanisms 2 and a right side suction mechanism 3, wherein the bottom suction mechanism 1 is fixedly installed on the machine tool, the two left side suction mechanisms 2 and the right side suction mechanism 3 are both positioned at the top of the bottom suction mechanism 1, the two left side suction mechanisms 2 are positioned at two sides of the top of the bottom suction mechanism 1 which are mutually symmetrical, the two right side suction mechanisms 3 are positioned at two sides of the top of the bottom suction mechanism 1 which are mutually symmetrical, the two left side suction mechanisms 2 and the right side suction mechanism 3 form a frame structure, the two left side suction mechanisms 2 and the right side suction mechanism 3 are connected in a sliding manner, the bottoms of the two left side suction mechanisms 2 are connected with the bottom suction mechanism 1 in a sliding manner through a first guide sliding component 5, the bottoms of the two right side suction mechanisms 3 are connected with the bottom suction mechanism 1 in a sliding manner through a second guide sliding component 6, the inner side of the bottom suction mechanism 1 is provided with a first air passage for tightly sucking the bottom of a workpiece, the first guide sliding assembly 5 and the second guide sliding assembly 6 are positioned in the first air passage, the first air passage is connected with an air source through an air inlet pipe 1a2, the left suction mechanism 2 is provided with a first suction pipe assembly 2c tightly sucking two left side faces of the workpiece, the left suction mechanism 2 and the first guide sliding assembly 5 are provided with a second air passage for communicating the first air passage with the first suction pipe assembly 2c, the right suction mechanism 3 is provided with a second suction pipe assembly 3c tightly sucking two right side faces of the workpiece, the right suction mechanism 3 and the second guide sliding assembly 6 are provided with a third air passage for communicating the first air passage with the second suction pipe assembly 3c, and four supporting legs 4 are fixedly arranged at the bottom of the bottom suction mechanism 1. At first through placing the work piece at the top of bottom suction mechanism 1, with two left sides suction mechanism 2 and the right side suction mechanism 3 with four circumference side laminating of work piece again, be connected suction source and intake pipe 1a2 again, and then make the top of bottom suction mechanism 1 and the bottom of work piece suck tightly, it has seted up the second air flue on suction mechanism 2 through first guide sliding subassembly 5 and left side, and then make the suction in the first air flue enter into in first suction pipe subassembly 2c along the second air flue, and then suck tightly two left surfaces of work piece, seted up the third air flue on suction mechanism 3 through second guide sliding subassembly 6 and right side, and then make the suction in the first air flue enter into in the second suction pipe subassembly 3c along the third air flue, and then suck tightly two right surfaces of work piece.
The bottom suction mechanism 1 comprises a bottom plate 1a and a sealing plate 1b, the sealing plate 1b is fixedly installed at the top of the bottom plate 1a, two guide sliding grooves 1a1 are formed in the bottom plate 1a, the two guide sliding grooves 1a1 are mutually staggered, a round through hole is formed in the staggered position of two guide sliding grooves 1a1, an air inlet pipe 1a2 is located at the bottom of the round through hole, an air inlet pipe 1a2 is fixedly connected with the bottom plate 1a, two first guide sliding assemblies 5 and two second guide sliding assemblies 6 are respectively located in the two guide sliding grooves 1a1, four air suction grooves 1b1 are formed in the top of the sealing plate 1b, four air suction grooves 1b1 are located at the top of the two guide sliding grooves 1a1, the four air suction grooves 1b1 are uniformly distributed at ninety degrees along the circumferential direction of the air inlet pipe 1a2, the air inlet pipe 1a2, the guide sliding grooves 1a1 and the air suction grooves 1b1 form a first air passage, the guide sliding grooves 1a1, the bottom of the air suction groove 1b1 is connected with the top of the enclosed space, and the outer edges of the first slide guiding component 5 and the second slide guiding component 6 are in sealing fit with the inner wall of the enclosed space in the circumferential direction. After the work piece was placed at the top of closing plate 1b, inhale tight mechanism 2 and right side through the left side and inhale tight mechanism 3 and the laminating of work piece outer wall, and then drive first leading smooth subassembly 5 and second and lead smooth subassembly 6 and block up the enclosure space that does not need for the suction of air suction source enters into the enclosure space along intake pipe 1a2, makes the suction again and inhales tightly the work piece through the suction slot 1b1 at enclosure space top.
Each first sliding guide assembly 5 comprises a first sealing sliding block 5a and a first connecting sliding block 5b, the four walls of the first sealing sliding block 5a along the axis are in sealing fit with the inner wall of the closed space in the circumferential direction, the first connecting sliding block 5b is fixedly mounted at the top of the first sealing sliding block 5a through bolts, the top of the first connecting sliding block 5b penetrates through the air suction groove 1b1 to be fixedly connected with the bottom of the left side tightening mechanism 2, a first air vent groove 5a1 is formed in the first sealing sliding block 5a, a first air hole 5b1 which enables the first air vent groove 5a1 and the left side tightening mechanism 2 to be communicated is formed in the first connecting sliding block 5b, a frame-shaped through hole which is communicated with the first air hole 5b1 is formed in the top of the first air vent groove 5a1, and two mutually symmetrical sides of the first connecting sliding block 5b are in sealing fit with two sides of the air suction groove 1b1 in the length direction. Through the sealed laminating of first sealed slider 5a and the circumferencial direction inner wall of enclosed space, and then make and place the back on the tight mechanism 1 is inhaled to the bottom when the work piece, the sealed space that does not need can be blockked up by first sealed slider 5a, through the effect of first air duct 5a1 and first gas pocket 5b1, and then make the gas in the first air flue can enter into the left side along first air duct 5a1 and first gas pocket 5b1 and inhale tightly inside the mechanism 2.
Each left tightening mechanism 2 comprises a first supporting frame body 2a and a first cushion rubber pad 2b, the first supporting frame body 2a is fixedly installed at the top of the first connecting sliding block 5b, the first cushion rubber pad 2b is fixedly installed at one side, close to the workpiece, of the first supporting frame body 2a, a first air storage bin 2a2 is arranged in the first supporting frame body 2a, a first air suction tube assembly 2c is installed in the first air storage bin 2a2, a first through hole 2b2 for allowing the first air suction tube assembly 2c to penetrate through is formed in the first cushion rubber pad 2b, a frame-shaped through hole communicated with the first air hole 5b1 is formed in the bottom of the first air storage bin 2a2, a first sealing cover plate 2d is covered at the top of the first air storage bin 2a2, the first sealing cover plate 2d is fixedly connected with the first supporting frame body 2a, a first strip-shaped guide sliding hole 2a1 and a second strip-shaped guide sliding hole 2b are formed in the first cushion rubber pad 2b and the first supporting frame body 2a for allowing the right tightening mechanism 3 to slide b3, and four first bar-shaped material containing holes 2b1 have been seted up on first cushion rubber pad 2b, all install first magnet 2e in four first bar-shaped material containing holes 2b1, and first magnet 2e is connected with first supporting frame body 2a magnetism, and first gas storage bin 2a2, first air vent 5a1 and first gas pocket 5b1 form the second air flue. After left side suction mechanism 2 and the laminating of work piece left surface, through the effect of second air flue, and then on leading-in first straw subassembly 2c with the suction, and then inhale tightly through first straw subassembly 2c to two left surfaces of work piece, after first straw subassembly 2c and work piece are inhaled tightly, through the cushioning effect of first cushion rubber pad 2b, and then cushion the work piece, avoid the damage of first straw subassembly 2c to the work piece, and be the rubber material through first cushion rubber pad 2b, make first perforation 2b2 and the inseparable laminating of work piece surface.
Each second sliding guide assembly 6 comprises a second sealing sliding block 6a and a second connecting sliding hole 6b, the four walls of the second sealing sliding block 6a along the axis are in sealing fit with the inner wall of the closed space in the circumferential direction, the second connecting sliding hole 6b is fixedly installed at the top of the second sealing sliding block 6a through bolts, the top of the second connecting sliding hole 6b penetrates through the air suction groove 1b1 to be fixedly connected with the bottom of the right tightening mechanism 3, a second air through groove 6a1 is formed in the second sealing sliding block 6a, a second air hole 6b1 which enables the second air through groove 6a1 and the right tightening mechanism 3 to be communicated is formed in the second connecting sliding hole 6b, a frame-shaped through hole which is communicated with the second air hole 6b1 is formed in the top of the second air through groove 6a1, and two symmetrical sides of the second connecting sliding holes 6b are in sealing fit with two sides of the air suction groove 1b1 in the length direction. Through the sealed laminating of second sealed slider 6a and the circumferencial direction inner wall of enclosure space, and then make and place the back on the tight mechanism 1 is inhaled to the bottom when the work piece, the sealed space that does not need can be blockked up by second sealed slider 6a, through the effect of second air channel 6a1 and second gas pocket 6b1, and then make the gas in the first air flue can enter into the right side along second air channel 6a1 and second gas pocket 6b1 and inhale tightly inside the mechanism 3.
Each right suction mechanism 3 comprises a second supporting frame body 3a and a second cushion rubber pad 3b, the second supporting frame body 3a is fixedly installed at the top of the second connecting sliding hole 6b, the second cushion rubber pad 3b is fixedly installed at one side, close to the workpiece, of the second supporting frame body 3a, a second air storage bin 3a2 is arranged in the second supporting frame body 3a, a second suction pipe assembly 3c is installed in the second air storage bin 3a2, a second through hole 3b2 for allowing the suction force of the second suction pipe assembly 3c to pass through is formed in the second cushion rubber pad 3b, a frame-shaped through hole communicated with the second air hole 6b1 is formed in the bottom of the second air storage bin 3a2, a second sealing cover plate 3d is arranged at the top of the second air storage bin 3a2 in a covering mode, the second sealing cover plate 3d is fixedly connected with the second supporting frame body 3a, and a strip-shaped guide sliding hole 2a1 and a second strip-shaped guide sliding hole 3 are fixedly arranged on the second supporting frame body 3a and the second cushion rubber pad 3b The shape slider 3a1 and the second bar slider 3b3, and two second bar material containing holes 3b1 have been seted up on the second bar slider 3b3, all install second magnet 3e in two second bar material containing holes 3b1, and second magnet 3e and first bar slider 3a1 magnetic connection, and second gas storage storehouse 3a2, second air channel 6a1 and second air hole 6b1 form the third air flue. After right side suction mechanism 3 and the laminating of work piece right flank, through the effect of third air flue, and then lead in the suction on the second straw subassembly 3c, and then inhale tightly to two right flanks of work piece through second straw subassembly 3c, after second straw subassembly 3c and work piece are inhaled tightly, through the cushioning effect of second cushion rubber pad 3b, and then cushion the work piece, avoid the damage of second straw subassembly 3c to the work piece touching, and be the rubber material through second cushion rubber pad 3b, make second perforation 3b2 closely laminate with the work piece surface.
The first straw assembly 2c comprises a straw rack 2c2 and a plurality of straws 2c1, the straw rack 2c2 is inserted into the first air storage bin 2a2, one end of each straw 2c1 penetrates through the first through hole 2b2 and the first supporting frame body 2a to be clamped with the straw rack 2c2, a round hole 2c21 for inserting the straw 2c1 is formed in the straw rack 2c2, two strip-shaped fixture blocks 2c11 are fixedly arranged on the outer edge of one end of the straw 2c1, two strip-shaped avoiding notches 2c22 for allowing the strip-shaped fixture blocks 2c11 to penetrate through are arranged on the outer edge of the round hole 2c21, strip-shaped clamping holes 2c23 for clamping the two strip-shaped fixture blocks 2c11 are formed in one side, far away from the straw 2c1, of the straw rack 2c2, and the first straw assembly 2c is identical to the second straw assembly 3c in structure. Through the effect of second air flue, and then make suction leading-in to on a plurality of straw 2c1, and then inhale tightly through two left surfaces of straw 2c1 to the work piece, dodge breach 2c22 and bar card hole 2c 23's effect through round hole 2c21, the bar on straw frame 2c2, and then make straw 2c1 can follow the effect of straw frame 2c2 and dismantle, be convenient for install on straw frame 2c2 to straw 2c 1.
The bottom of the first sealing cover plate 2d is fixedly provided with a first strip-shaped insertion block 2d1, the first strip-shaped insertion block 2d1 is inserted into the first air storage bin 2a2, two sides of the first strip-shaped insertion block 2d1 are equally abutted to the suction pipe 2c1 and the first supporting frame body 2a, and the bottom of the second sealing cover plate 3d is fixedly provided with two second strip-shaped insertion blocks 3d1 used for clamping the second suction pipe assembly 3 c. The straw rack 2c2 is clamped in the first air storage bin 2a2 under the action of the first strip-shaped inserting block 2d1, the first straw component 2c is clamped in the left side suction mechanism 2, and the second straw component 3c is clamped in the right side suction mechanism 3 through the second strip-shaped inserting block 3d 1.
A use method of a flexible clamping mechanism for a machine tool is characterized by comprising the following steps:
s1: mounting a workpiece:
placing a workpiece on the top of the bottom suction mechanism 1, and then pushing the two left side suction mechanisms 2 and the right side suction mechanism 3 to ensure that the two left side suction mechanisms 2 and the right side suction mechanism 3 are respectively attached to the periphery of the workpiece;
place the work piece at closing plate 1 b's top through the workman, the rethread slip left side is inhaled tight mechanism 2 and is inhaled tight mechanism 3 with the right side, and then makes the left side inhale tight mechanism 2 and drive the first smooth subassembly 5 motion of leading, and the right side is inhaled tight mechanism 3 and is driven the second and lead smooth subassembly 6 and move, inhales first cushion rubber pad 2b on tight mechanism 2 and the left side both ends laminating of work piece when moving to the left side, and the right side is inhaled second cushion rubber pad 3b on tight mechanism 3 and is laminated with the right side both ends of work piece.
S2: tightly sucking the bottom of the workpiece:
connecting a gas suction source with the gas inlet pipe 1a2, and tightly sucking the bottom of the workpiece under the action of a first gas passage;
after the workpiece is placed on the bottom suction mechanism 1, the unnecessary closed space can be blocked by the second sealing slide block 6a and the first sealing slide block 5a, so that the suction force of the suction source enters the closed space along the air inlet pipe 1a2, and then the suction force tightly sucks the workpiece through the suction groove 1b1 at the top of the closed space.
S3: and (3) tightly sucking the right side surface of the workpiece:
after the right side suction mechanism 3 is attached to the right side surface of the workpiece, the right side suction mechanism is communicated with a third air passage through a first air inlet, so that suction is introduced into a second suction pipe assembly 3c along the third air passage, and the two right side surfaces of the workpiece are sucked tightly through the second suction pipe assembly 3 c;
after right side suction mechanism 3 and the laminating of work piece right flank, through first air flue and third air flue intercommunication, and then in leading-in the suction of a plurality of second straw subassembly 3c with the suction, and then inhale tightly through the straw to two right flanks of work piece, after second straw subassembly 3c and work piece are inhaled tightly, through the cushioning effect of second cushion rubber pad 3b, and then cushion the work piece, avoid the damage of second straw subassembly 3c to the work piece touching, and be the rubber material through second cushion rubber pad 3b, make second perforation 3b2 closely laminate with the work piece surface, make the suction on the straw completely act on two right flanks of work piece.
S4: tightly sucking the left side surface of the workpiece:
after the left side suction mechanism 2 is attached to the left side surface of the workpiece, the left side suction mechanism is communicated with the second air passage through the first air channel, so that suction is introduced into the first suction pipe assembly 2c along the second air passage, and the two right side surfaces of the workpiece are sucked tightly through the first suction pipe assembly 2 c;
after the left suction mechanism 2 is attached to the left side surface of the workpiece, the suction force is guided into the first strip-shaped guide sliding hole 2a10 on the first suction tube assembly 2c through the communication of the first air passage and the second air passage, and then the two left side surfaces of the workpiece are sucked tightly through the suction tube 2c1, after the suction tube 2c1 is sucked tightly with the workpiece, the workpiece is buffered through the buffering effect of the first buffer rubber pad 2b, the damage of the first suction tube assembly 2c to the workpiece is avoided, and the first buffer rubber pad 2b is made of rubber, so that the first through hole 2b2 is closely attached to the surface of the workpiece, and the suction force on the suction tube completely acts on the two right side surfaces of the workpiece.
The working principle is as follows: firstly, a workpiece is placed on the top of a sealing plate 1b by a worker, then the left side suction mechanism 2 and the right side suction mechanism 3 are slid, so that the left side suction mechanism 2 drives a first guide sliding component 5 to move, the right side suction mechanism 3 drives a second guide sliding component 6 to move, when the workpiece moves to the left side suction mechanism 2, a first cushion rubber pad 2b is attached to the left side two ends of the workpiece, a second cushion rubber pad 3b on the right side suction mechanism 3 is attached to the right side two ends of the workpiece, after the workpiece is attached, a suction source is connected with an air inlet pipe 1a2, the workpiece is hermetically attached to the inner wall of the closed space in the circumferential direction through a second sealing slide block 6a and a first sealing slide block 5a, and after the workpiece is placed on the bottom suction mechanism 1, the unnecessary closed space can be blocked by the second sealing slide block 6a and the first sealing slide block 5a, so that the suction force of the suction source enters the closed space along the air inlet pipe 1a2, then the suction force is tightly sucked to the workpiece through the suction groove 1b1 on the top of the closed space, after the right side tight suction mechanism 3 is attached to the right side surface of the workpiece, the right side tight suction mechanism is communicated with the third air passage through the first air passage, the suction force is further guided into the suction pipes on the second suction pipe assemblies 3c, and then the two right side surfaces of the workpiece are tightly sucked through the suction pipes, after the second suction pipe assemblies 3c are tightly sucked to the workpiece, the workpiece is buffered through the buffering action of the second buffer rubber pads 3b, the touch damage of the second suction pipe assemblies 3c to the workpiece is avoided, the second through holes 3b2 are tightly attached to the surface of the workpiece through the rubber materials of the second buffer rubber pads 3b, so that the suction force on the suction pipes completely acts on the two right side surfaces of the workpiece, after the left side tight suction mechanism 2 is attached to the left side surface of the workpiece, the suction mechanism is communicated with the second air passage through, and then leading into suction on the first bar shape guide slide opening 2a10 on the first suction tube subassembly 2c, and then inhale tightly through two left surfaces of straw 2c1 to the work piece, after straw 2c1 and work piece are inhaled tightly, through the cushioning effect of first cushion rubber pad 2b, and then cushion the work piece, avoid the damage of first suction tube subassembly 2c to the work piece touching, and be the rubber material through first cushion rubber pad 2b, make first perforation 2b2 closely laminate with the work piece surface, make suction on the straw completely act on two right flanks of work piece, and then accomplish the fixed to the work piece.
Claims (3)
1. A left side suction structure of a flexible clamping mechanism for a machine tool is characterized in that each left side suction mechanism (2) comprises a first supporting frame body (2 a) and a first cushion rubber pad (2 b), the first supporting frame body (2 a) is fixedly arranged at the top of a first connecting sliding block (5 b), the first cushion rubber pad (2 b) is fixedly arranged at one side, close to a workpiece, of the first supporting frame body (2 a), a first air storage bin (2 a 2) is arranged in the first supporting frame body (2 a), a first air storage bin (2 c) is arranged in a first air storage bin (2 a 2), a first through hole (2 b 2) for allowing the first air storage bin (2 c) to penetrate through by suction force is formed in the first cushion rubber pad (2 b), a frame-shaped through hole communicated with a first air hole (5 b 1) is formed in the bottom of the first air storage bin (2 a 2), and a first sealing cover plate (2 d) is arranged at the top of the first air storage bin (2 a 2), and first sealed apron (2 d) and first supporting framework (2 a) fixed connection, all offer on first cushion rubber pad (2 b) and first supporting framework (2 a) and supply the gliding first bar direction slide opening (2 a 1) of right side suction mechanism (3) and second bar direction slide opening (2 b 3), and offered four first bar appearance material holes (2 b 1) on first cushion rubber pad (2 b), all install first magnet (2 e) in four first bar appearance material holes (2 b 1), and first magnet (2 e) and first supporting framework (2 a) magnetism are connected, and first gas storage bin (2 a 2), first air channel (5 a 1) and first air hole (5 b 1) form the second air flue.
2. The second sliding guide assembly of the bottom suction mechanism of the flexible clamping mechanism for the machine tool according to claim 1, wherein each second sliding guide assembly (6) comprises a second sealing slider (6 a) and a second connecting sliding hole (6 b), four walls of the second sealing slider (6 a) along the axis are in sealing fit with the inner wall of the closed space in the circumferential direction, 6a2 is fixedly installed on the top of the second sealing slider (6 a) through bolts, the top of the second connecting sliding hole (6 b) penetrates through the suction groove (1 b 1) and is fixedly connected with the bottom of the right suction mechanism (3), the second sealing slider (6 a) is provided with a second ventilation groove (6 a 1), the second connecting sliding hole (6 b) is provided with a second ventilation hole (6 b 1) for communicating the second ventilation groove (6 a 1) with the inside of the right suction mechanism (3), the top of the second ventilation groove (6 a 1) is provided with a frame-shaped through hole 1 for communicating with the second ventilation hole (6 b), and two symmetrical sides of the second connecting sliding hole (6 b) are in sealing joint with two sides of the length direction of the air suction groove (1 b 1).
3. A right side tight-suction structure of a flexible clamping mechanism for a machine tool is characterized in that each right side tight-suction mechanism (3) comprises a second supporting frame body (3 a) and a second buffer rubber pad (3 b), the second supporting frame body (3 a) is fixedly arranged at the top of a second connecting sliding hole (6 b), the second buffer rubber pad (3 b) is fixedly arranged at one side, close to a workpiece, of the second supporting frame body (3 a), a second air storage bin (3 a 2) is arranged in the second supporting frame body (3 a), a second air storage bin (3 c) is arranged in a second air storage bin (3 a 2), a second through hole (3 b 2) for allowing the second air storage bin (3 c) to penetrate through in a suction manner is formed in the second buffer rubber pad (3 b), a frame-shaped through hole communicated with a second air hole (6 b 1) is formed in the bottom of the second air storage bin (3 a 2), and a second sealing cover plate (3 d 2) is arranged at the top, and second sealed apron (3 d) and second braced frame body (3 a) fixed connection, all be fixed on second braced frame body (3 a) and second cushion rubber pad (3 b) be equipped with first bar direction slide opening (2 a 1) and second bar direction slide opening (2 b 3) sliding connection's first bar slider (3 a 1) and second bar slider (3 b 3), and seted up two second bar holding hole (3 b 1) on second bar slider (3 b 3), all install second magnet (3 e) in two second bar holding hole (3 b 1), and second magnet (3 e) and first bar slider (3 a 1) magnetism are connected, and second gas storage storehouse (3 a 2), second ventilation groove (6 a 1) and second gas pocket (6 b 1) form the third air flue.
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| CN202011153927.0A CN112171343A (en) | 2020-01-15 | 2020-01-15 | Accessory of flexible clamping mechanism for machine tool |
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| CN202010041940.0A CN111203737B (en) | 2020-01-15 | 2020-01-15 | Accessory of flexible clamping mechanism for machine tool |
| CN202011153927.0A CN112171343A (en) | 2020-01-15 | 2020-01-15 | Accessory of flexible clamping mechanism for machine tool |
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| CN112792177B (en) * | 2021-02-03 | 2022-05-06 | 台山市三盛智能金属家具制造有限公司 | Magnetic suction hydraulic steel pipe bending device |
| CN112959015B (en) * | 2021-03-25 | 2022-10-25 | 湖南衡利重工机械有限公司 | Tower crane standard knot production and processing tool and method |
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| CN111203737B (en) | 2021-07-06 |
| CN111203737A (en) | 2020-05-29 |
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