CN113211128A - Automatic clamp of numerical control machine tool - Google Patents

Automatic clamp of numerical control machine tool Download PDF

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Publication number
CN113211128A
CN113211128A CN202110508266.7A CN202110508266A CN113211128A CN 113211128 A CN113211128 A CN 113211128A CN 202110508266 A CN202110508266 A CN 202110508266A CN 113211128 A CN113211128 A CN 113211128A
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China
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plate
fixedly connected
shaped
arc
limiting plate
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CN202110508266.7A
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CN113211128B (en
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路跃武
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Haiyan Jingbin Hardware Products Co ltd
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Individual
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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
    • 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
    • B23Q11/0042—Devices for removing chips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention belongs to the technical field of clamps, particularly designs an automatic clamp of a numerical control machine tool, and provides an automatic clamp of the numerical control machine tool, which can be conveniently installed on the numerical control machine tool and can automatically center and then clamp a pump cover. The automatic clamp of the numerical control machine tool comprises a fixing frame, an orifice plate, a transmission mechanism, a centering mechanism, a clamping mechanism and the like; the fixing frame is provided with a transmission mechanism, the transmission mechanism is provided with a centering mechanism, the transmission mechanism is used for driving the centering mechanism to open and close, two pairs of clamping mechanisms are annularly arranged on the outer side of the centering mechanism, the transmission mechanism and the driving clamping mechanisms clamp the pump cover blank piece towards the center, and the centering mechanism is in contact with the clamping mechanisms. The whole fixture is arranged on a working platform of the numerical control machine tool through a pore plate, so that the whole fixture is convenient to disassemble and assemble; through the movement of the two ends of the centering mechanism and the clamping mechanism, the pump cover blank can be centered firstly and then clamped, and the automatic clamping process can not generate errors when the pump cover blank is processed.

Description

Automatic clamp of numerical control machine tool
Technical Field
The invention belongs to the technical field of clamps, and particularly relates to an automatic clamp of a numerical control machine tool.
Background
The clamp is equipment for fixing a machined part in a machining process, under a common condition, the pump cover of the motorcycle cooling water pump needs an operator to open the clamp by rotating a handle when the pump cover of the motorcycle cooling water pump is machined in the prior art, then a pump cover blank is put in, and the pump cover is clamped by continuously debugging the centering position of the pump cover because the existing clamps are standard, and the operator needs to process and adjust the clamping position of the pump cover blank stage by stage when the pump cover is positioned and clamped on the clamp.
Aiming at the defects that the prior art is complex in operation, cannot automatically finish centering and clamping the pump cover and has long time for finding the centering position of the pump cover, an automatic clamp which can be conveniently installed on a numerical control machine tool and can automatically center and clamp the pump cover firstly is necessary to be designed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automatic clamp of a numerical control machine tool.
The purpose of the invention can be achieved by adopting the following technical scheme:
the invention provides an automatic clamp of a numerical control machine tool, which comprises a fixed frame, orifice plates, a supporting ring, L-shaped fixed plates, arc-shaped supporting plates, a first fixed plate, a transmission mechanism, a centering mechanism and a clamping mechanism, wherein the four orifice plates are annularly and fixedly connected on the outer side of the fixed frame, the supporting ring is fixedly connected on the top of the fixed frame, the four L-shaped fixed plates are fixedly connected on the top of the supporting ring, the four L-shaped fixed plates are annularly distributed on the top of the supporting ring, the four arc-shaped supporting plates are annularly and fixedly connected on the outer side of the L-shaped fixed plates, the bottom of each arc-shaped supporting plate is fixedly connected with a first fixed plate, each arc-shaped supporting plate is provided with a first arc-shaped groove, the transmission mechanism is arranged on the fixed frame, the centering mechanism is arranged on the transmission mechanism, the transmission mechanism is used for driving the centering mechanism to open and close, two pairs of clamping mechanisms are annularly arranged on the outer side of the centering mechanism, and the transmission mechanism and the clamping mechanism clamp a pump cover blank towards the center, and the centering mechanism is in contact with the clamping mechanism.
Further, the transmission mechanism comprises two mounting plates, a speed reducing motor, a straight gear, tension springs, second fixing plates, a rotating frame, arc-shaped frames, first one-way bearings, a first central gear, a second central gear, a planetary gear, second one-way bearings and an inner gear ring, the mounting plates are fixedly connected to the inner sides of the fixing frames, the speed reducing motors are fixedly connected to the inner sides of the two mounting plates, power output shafts of the speed reducing motors face upwards, the straight gear is fixedly connected to power output shafts of the speed reducing motors, one tension spring is mounted at one end of each first fixing plate, one second fixing plate is mounted at the other end of each tension spring, the second fixing plates are slidably connected in first arc-shaped grooves of the arc-shaped supporting plates, the rotating frames are fixedly connected to the tops of the four second fixing plates, the four arc-shaped frames are annularly arranged on the rotating frames, and four third arc-shaped grooves are annularly formed in the rotating frames, the inner side of the rotating frame is fixedly connected with a second one-way bearing, the inner side of the second one-way bearing is fixedly connected with an inner gear ring, the rotating frame is rotatably connected with a planetary gear, the planetary gear is arranged on the inner side of the inner gear ring and is meshed with the inner gear ring, the center of the rotating frame is rotatably connected with a first central gear and a second central gear, the first central gear is fixedly connected with a second central gear, the first central gear is meshed with the planetary gear, the center of the first central gear is fixedly connected with a first one-way bearing, the second central gear is meshed with a straight gear, and the four L-shaped fixing plates respectively slide in four third arc-shaped grooves.
Further, centering mechanism is including the processing platform, the collet, carousel and slip post, processing platform fixed connection is on the inboard top of collet, eight sharp spouts have been seted up on the processing bench, eight sharp spouts are two bisymmetry respectively, six through-holes that are used for punching have been seted up on the processing bench, the inboard fixed connection of four L type fixed plates is on the collet, the bottom side of collet rotates and is connected with the carousel, all sliding connection has a slip post in every sharp spout, eight fourth arcs have been seted up on the carousel, all with a slip post sliding connection in every fourth arc, be provided with the torsional spring on the center pin of carousel, the one end and the carousel fixed connection of torsional spring, the other end of torsional spring and the inboard fixed connection of first centre wheel.
Furthermore, the clamping mechanism comprises a first limiting plate, a second limiting plate, a clamping assembly A, a clamping assembly B and a guide assembly, wherein the clamping assembly A is symmetrically provided with two groups, the clamping assembly B is symmetrically provided with two groups, the number of the first limiting plates is four, the four first limiting plates are annularly and fixedly connected to the top of the lower end of the bottom support, the top of each first limiting plate is fixedly connected with the second limiting plate, the clamping assembly A comprises a first pushing column, a first U-shaped plate, a first chute plate, a first clamping plate and a first spring, one end of the first clamping plate, which is close to the first limiting plate, is arc-shaped, a first pushing column is slidably connected in a circular chute on the second limiting plate, one end of the first pushing column, which is close to the first limiting plate, is fixedly connected with the first U-shaped plate, one end of the first U-shaped plate, which is close to the first limiting plate, is fixedly connected with the first sliding chute plate, one end of the first sliding chute plate, which is close to the first limiting plate, is fixedly connected with the first clamping plate, the first clamping plate is connected with the first limiting plate in a sliding way, a first spring is arranged between the first U-shaped plate and the L-shaped plate on the second limiting plate, the B clamping assembly comprises a second pushing column and a second U-shaped plate, the second chute board, second splint and second spring, the one end that the second splint are close to first limiting plate is the crew cut, sliding connection has the second to promote the post in the circular spout on the second limiting plate, the second promotes the one end fixedly connected with second U template that the post is close to first limiting plate, the one end fixedly connected with second chute board that the second U template is close to first limiting plate, the one end fixedly connected with second splint that the second chute board is close to first limiting plate, second splint and first limiting plate sliding connection, be equipped with the second spring between the L template on second U template and the second limiting plate, the one end that first limiting plate was kept away from to first promotion post and the one end that first limiting plate was kept away from to the second promotion post are all fixedly connected with guide assembly.
Further, the direction subassembly is including L type dead lever, roller bearing and gyro wheel, and the one end that first limiting plate was kept away from to first promotion post and the one end that first limiting plate was kept away from to the second promote the post all fixedly connected with L type dead lever, and the other end fixedly connected with roller bearing of L type dead lever rotates on the roller bearing and is connected with the gyro wheel, and the gyro wheel contacts with one side that the arc frame on the rotating frame is close to the center.
Further comprises a first strip baffle, a third fixed plate and a first thrust spring, the second bar baffle, fourth fixed plate and second thrust spring, the third fixed plate is installed to the symmetry in the first U template, one side fixedly connected with first bar baffle that the third fixed plate is close to first spout board, first bar baffle and the spout sliding connection of third fixed plate in the spout of first limiting plate, be equipped with first thrust spring between third fixed plate and the first spout board, the fourth fixed plate is installed to the symmetry in the second U template, one side fixedly connected with second bar baffle that the fourth fixed plate is close to the second spout board, second bar baffle and the spout sliding connection of fourth fixed plate in the spout of first limiting plate, be equipped with second thrust spring between fourth fixed plate and the second spout board, the width of first bar baffle is less than the width of second bar baffle.
Further, still including first rubber buffer head and second rubber buffer head, the first rubber buffer head of one end fixedly connected with that first bar baffle is close to the through-hole, the second rubber buffer head of one end fixedly connected with that second bar baffle is close to the through-hole, the width of first rubber buffer head is less than the width of second rubber buffer head, first rubber buffer head and second rubber buffer head contact with the sliding column respectively.
Furthermore, the waste chip discharging device further comprises a second arc-shaped groove on the rotating frame, the second arc-shaped groove is formed in the rotating frame, the second arc-shaped groove is distributed on the rotating frame in an annular mode, the second arc-shaped groove is located on the outer side of the third arc-shaped groove, and the second arc-shaped groove is used for discharging waste chips.
The invention has the beneficial effects that:
the whole fixture is arranged on a working platform of the numerical control machine tool through a pore plate, so that the whole fixture is convenient to disassemble and assemble;
the pump cover blank can be centered and then clamped through the movement of the two ends of the centering mechanism and the clamping mechanism, so that no error is generated in the automatic clamping process when the pump cover blank is processed;
when in processing, the first strip-shaped baffle and the second strip-shaped baffle cover the linear chute on the processing table, so that the situation that waste chips cannot fall into the clamp in the processing process and the clamp cannot be damaged is ensured;
the first rubber buffer head and the second rubber buffer head are extruded after the first strip-shaped baffle and the second strip-shaped baffle are in contact with the sliding column, so that the first strip-shaped baffle and the second strip-shaped baffle can be prevented from colliding with the sliding column to generate loss;
the second arc-shaped groove on the rotating frame can enable the sweeps generated in the machining process to leak down to the rotating frame, and the sweeps are prevented from accumulating on the clamp to influence the clamp.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the exploded perspective structure of the present invention.
Fig. 3 is a schematic perspective view of the fixing frame of the present invention.
Fig. 4 is a schematic perspective view of the upper side of the transmission mechanism of the present invention.
Fig. 5 is a schematic perspective view of the underside of the transmission mechanism of the present invention.
Fig. 6 is a schematic perspective view of an arc-shaped supporting plate according to the present invention.
Fig. 7 is a schematic perspective view of the top centering mechanism of the clamp of the present invention.
Fig. 8 is a schematic perspective view of a top processing table of the centering mechanism of the present invention.
Fig. 9 is a schematic perspective view of the inside of the centering mechanism of the present invention.
Fig. 10 is a perspective view of the top of the clamp of the present invention.
Fig. 11 is a schematic perspective view of an enlarged portion of the present invention a.
Fig. 12 is a schematic perspective view of an enlarged portion of the present invention B.
Fig. 13 is a perspective view of the clamping assembly of the present invention.
Fig. 14 is a perspective view of the clamping assembly of the present invention B.
Fig. 15 is a schematic perspective view of a second limiting plate according to the present invention.
In the reference symbols: 1-fixed frame, 101-pore plate, 102-supporting ring, 103-L-shaped fixed plate, 104-arc supporting plate, 1041-first arc groove, 1042-first fixed plate, 2-mounting plate, 2001-speed reducing motor, 2002-spur gear, 2003-tension spring, 2004-second fixed plate, 2005-rotating frame, 20051-second arc groove, 20052-third arc groove, 20053-arc frame, 2006-first one-way bearing, 2007-first central gear, 20071-second central gear, 2008-planetary gear, 2009-second one-way bearing, 2010-inner gear ring, 3-processing table, 301-linear sliding groove, 302-through hole, 303-bottom support, 4-rotating disc, 401-fourth arc groove, 402-sliding column, 5-first limiting plate, 5001-second limiting plate, 50011-circular sliding groove, 50012-L-shaped plate, 5002-first pushing column, 5003-first U-shaped plate, 5004-first sliding groove plate, 5005-first clamping plate, 5006-first spring, 5007-second pushing column, 5008-second U-shaped plate, 5009-second sliding groove plate, 5010-second clamping plate, 5011-second spring, 6-first strip-shaped baffle plate, 601-third fixing plate, 602-first rubber buffer head, 603-first thrust spring, 604-second strip-shaped baffle plate, 605-fourth fixing plate, 606-second rubber buffer head, 607-second thrust spring, 7-L-shaped fixing rod, 701-rolling shaft and 702-rolling wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but the present invention is not limited thereto.
Example 1
An automatic clamp of a numerical control machine tool is disclosed, as shown in fig. 1 and fig. 2, and comprises a fixing frame 1, a hole plate 101, a supporting ring 102, an L-shaped fixing plate 103, an arc-shaped supporting plate 104, a first fixing plate 1042, a transmission mechanism, a centering mechanism and a clamping mechanism, wherein four hole plates 101 are fixedly connected with the outer side of the fixing frame 1 in an annular manner, the top of the fixing frame 1 is fixedly connected with the supporting ring 102, the top of the supporting ring 102 is fixedly connected with four L-shaped fixing plates 103, the four L-shaped fixing plates 103 are distributed on the top of the supporting ring 102 in an annular manner, four arc-shaped supporting plates 104 are fixedly connected with the outer side of the L-shaped fixing plate 103 in an annular manner, the bottom of each arc-shaped supporting plate 104 is fixedly connected with a first fixing plate 1042, each arc-shaped supporting plate 104 is provided with a first arc-shaped groove 1041, the fixing frame 1 is provided with the transmission mechanism, the transmission mechanism is provided with the centering mechanism, the transmission mechanism is used for driving the centering mechanism to open and close, and two pairs of clamping mechanisms are annularly arranged on the outer side of the centering mechanism, the transmission mechanism and the driving clamping mechanism clamp the pump cover blank piece towards the center, and the centering mechanism is in contact with the clamping mechanism.
When a pump cover needs to be machined, an operator fixes the clamp on a machining platform of a numerical control machine tool integrally through the orifice plate 101 on the fixing frame 1, the operator drives the centering mechanism to gather towards the center of the clamp through controlling the transmission mechanism to rotate forwards to move the pump cover blank to the center of the clamp, the operator drives the clamping mechanism to move towards the center of the clamp and clamp the pump cover blank through controlling the transmission mechanism to rotate backwards, after the pump cover blank is clamped, the transmission mechanism always keeps a reverse force, at the moment, the clamping mechanism always keeps a clamping force until the numerical control machine tool finishes machining the pump cover blank, after the transmission mechanism stops, the clamping mechanism automatically resets, after the clamping mechanism resets, the centering mechanism automatically resets, after the resetting, the operator takes out the machined pump cover, then puts the next pump cover blank into the pump cover blank, and repeats the operations.
Example 2
On the basis of embodiment 1, as shown in fig. 3-6, the transmission mechanism includes two mounting plates 2, a reduction motor 2001, a spur gear 2002, tension springs 2003, a second fixing plate 2004, a rotating frame 2005, an arc-shaped frame 20053, a first one-way bearing 2006, a first central wheel 2007, a second central wheel 20071, a planetary gear 2008, a second one-way bearing 2009 and an inner gear 2010, the mounting plates 2 are fixedly connected to the inner side of the fixing frame 1, the reduction motor 2001 is fixedly connected to the inner sides of the two mounting plates 2, the power output shaft of the reduction motor 2001 faces upward, the spur gear 2002 is fixedly connected to the power output shaft of the reduction motor 2001, one tension spring 2003 is mounted to one end of each first fixing plate 1042, one second fixing plate 2004 is mounted to the other end of each tension spring 2003, the second fixing plate 2004 is slidably connected in the first arc-shaped slot 1041 of the arc-shaped supporting plate 104, the top of each of the four second fixing plates 2004 is fixedly connected with a rotating frame 2005, the rotating frame 2005 is annularly provided with four arc-shaped frames 20053, the rotating frame 2005 is annularly provided with four third arc-shaped grooves 20052, the inner side of the rotating frame 2005 is fixedly connected with a second one-way bearing 2009, the inner side of the second one-way bearing 2009 is fixedly connected with an inner gear ring 2010, the rotating frame 2005 is rotatably connected with a planetary gear 2008, the planetary gear 2008 is arranged on the inner side of the inner gear ring 2010, the planetary gear 2008 is meshed with the inner gear ring 2010, the center of the rotating frame 2005 is rotatably connected with a first central wheel 2007 and a second central wheel 20071, the first central wheel 2007 is fixedly connected with a second central wheel 20071, the first central wheel 2007 is meshed with the planetary gear 2008, the center of the first central wheel 2007 is fixedly connected with a first one-way bearing 2006, the second central wheel 20071 is meshed with the spur gear 2002, and the four L-shaped fixing plates 103 respectively slide in the four third arc-shaped grooves 20052.
When an operator controls the transmission mechanism to drive the centering mechanism to gather towards the center of the fixture, the reduction motor 2001 rotates clockwise, the spur gear 2002 on the power output shaft of the reduction motor 2001 rotates clockwise, the spur gear 2002 drives the second central gear 20071 to rotate anticlockwise, further the first central gear 2007 rotates anticlockwise, the first central gear 2007 drives the centering mechanism to gather towards the center of the fixture through the first one-way bearing 2006 when rotating anticlockwise, the first central gear 2007 drives the planet gear 2008 to rotate clockwise when rotating anticlockwise, the planet gear 2008 rotates clockwise to drive the ring gear 2010 to rotate clockwise, the ring gear 2010 drives the second one-way bearing 2009 to idle when rotating clockwise, the second one-way bearing 2009 does not drive the rotating frame 2005 to rotate on the supporting ring 102 and the arc-shaped supporting plate 104 of the fixed frame 1, when the operator controls the transmission mechanism to drive the clamping mechanism to move towards the center of the fixture and clamp the pump cover blank, the reduction motor 2001 rotates anticlockwise, the spur gear 2002 on the power output shaft of the reduction motor 2001 rotates anticlockwise, the spur gear 2002 drives the second central gear 20071 to rotate clockwise, the first central gear 2007 rotates clockwise, the first central gear 2007 drives the first one-way bearing 2006 to idle when rotating clockwise, the centering mechanism cannot be driven to rotate, the first central gear 2007 drives the planet gear 2008 to rotate anticlockwise when rotating clockwise, the planet gear 2008 rotates clockwise to drive the ring gear 2010 to rotate anticlockwise, the ring gear 2010 drives the rotating frame 2005 to rotate anticlockwise through the second one-way bearing 2009 when rotating anticlockwise, the tension spring 2003 is driven to stretch, the arc-shaped frame 20053 on the rotating frame 2005 drives the clamping mechanism to move towards the center of the clamp and clamp the pump cover blank, the reduction motor 2001 always keeps an anticlockwise force, and the reduction motor 2001 stops when the machining is completed, after the speed reduction motor 2001 stops, the rotating frame 2005 is reset under the action of the tension spring 2003, the ring gear 2010 is not driven to rotate through the second one-way bearing 2009, and the rotating frame 2005 is reset so as to drive the clamping mechanism to automatically reset.
Example 3
On the basis of the embodiment 2, as shown in fig. 7-9, the centering mechanism comprises a processing table 3, a bottom support 303, a rotating disc 4 and sliding columns 402, the processing table 3 is fixedly connected to the top end of the inner side of the bottom support 303, the processing table 3 is provided with eight linear sliding grooves 301, the eight linear sliding grooves 301 are respectively symmetrical in pairs, the processing table 3 is provided with six through holes 302 for punching, the inner sides of four L-shaped fixing plates 103 are fixedly connected to the bottom support 303, the bottom side of the bottom support 303 is rotatably connected with the rotating disc 4, each linear sliding groove 301 is internally and slidably connected with one sliding column 402, eight fourth arc-shaped grooves 401 are formed in the rotary table 4, each fourth arc-shaped groove 401 is slidably connected with one sliding column 402, a torsion spring is arranged on the central shaft of the rotary table 4, one end of each torsion spring is fixedly connected with the rotary table 4, and the other end of each torsion spring is fixedly connected with the inner side of the first central wheel 2007.
When centering mechanism gathers together to the utensil center, first one-way bearing 2006 drives carousel 4 anticlockwise rotation, drive the torsional spring simultaneously and rotate, make slip post 402 can gather together to the anchor clamps center when carousel 4 anticlockwise rotation through fourth arc wall 401 on carousel 4 and straight line spout 301 on the processing platform 3, and then realize moving the pump cover blank to the function that the central point of anchor clamps put, after gear motor 2001 stops, clamping mechanism resets, clamping mechanism no longer will slide post 402 spacing, carousel 4 clockwise rotation resets under the effect of torsional spring, and then slide post 402 outwards removes.
Example 4
On the basis of embodiment 3, as shown in fig. 10-14, the clamping mechanism includes a first limiting plate 5, a second limiting plate 5001, a clamping assembly a, a clamping assembly B and a guiding assembly, the clamping assembly a is symmetrically provided with two sets, the clamping assembly B is symmetrically provided with two sets, the number of the first limiting plates 5 is four, four first limiting plates 5 are annularly and fixedly connected to the top of the lower end of the bottom bracket 303, the top of each first limiting plate 5 is fixedly connected with the second limiting plate 5001, the clamping assembly a includes a first pushing column 5002, a first U-shaped plate 5003, a first chute plate 5004, a first clamping plate 5005 and a first spring 5006, one end of the first clamping plate 5005 close to the first limiting plate 5 is arc-shaped, a first pushing column 5002 is slidably connected to a circular chute 50011 on the second limiting plate 5001, one end of the first pushing column 5002 close to the first limiting plate 5 is fixedly connected with the first U-shaped plate 5003, a first chute plate 5004 is fixedly connected to one end, close to the first limit plate 5, of the first U-shaped plate 5003, a first clamping plate 5005 is fixedly connected to one end, close to the first limit plate 5, of the first chute plate 5004, the first clamping plate 5005 is slidably connected with the first limit plate 5, a first spring 5006 is arranged between the first U-shaped plate 5003 and an L-shaped plate 50012 on the second limit plate 5001, a B clamping component comprises a second pushing column 5007, a second U-shaped plate 5008, a second chute plate 5009, a second clamping plate 5010 and a second spring 5011, one end, close to the first limit plate 5, of the second clamping plate 5010 is a flat head, a second pushing column 5007 is slidably connected to a circular chute 50011 on the second limit plate 5001, one end, close to the first limit plate 5, of the second pushing column 5007 is fixedly connected with a second U-shaped plate 5008, one end, close to the first limit plate 5008, close to the first limit plate 5, is fixedly connected with a second chute plate 5009, one end, and one end, close to the second chute plate 5010, second splint 5010 and first limiting plate 5 sliding connection are equipped with second spring 5011 between second U template 5008 and the L template 50012 on the second limiting plate 5001, and the one end that first limiting plate 5 was kept away from to first promotion post 5002 and the one end that first limiting plate 5 was kept away from to second promotion post 5007 all fixedly connected with direction subassembly.
When an operator controls the transmission mechanism to drive the clamping mechanism to move towards the center of the clamp and clamp the pump cover blank, the arc-shaped frame 20053 on the rotating frame 2005 rotates anticlockwise to push the guide assembly to move towards the center, the guide assembly moves towards the center to push the first pushing column 5002 and the second pushing column 5007 and further push the first U-shaped plate 5003, the first chute plate 5004, the first clamping plate 5005, the second U-shaped plate 5008, the second chute plate 5009 and the second clamping plate 5010 to clamp towards the center, so that the first spring 5006 and the second spring 5011 are stretched, after the rotating frame 2005 is reset, the first spring 5006 and the second spring 5011 are reset to drive the clamping mechanism to reset integrally, and further the clamping mechanism can be loosened.
Example 5
On the basis of embodiment 4, as shown in fig. 13 to 14, the guiding assembly includes an L-shaped fixing rod 7, a roller 701 and a roller 702, both one end of the first pushing column 5002 away from the first limiting plate 5 and one end of the second pushing column 5007 away from the first limiting plate 5 are fixedly connected with the L-shaped fixing rod 7, the other end of the L-shaped fixing rod 7 is fixedly connected with the roller 701, the roller 701 is rotatably connected with the roller 702, and the roller 702 contacts with one side of the arc-shaped frame 20053 of the rotating frame 2005, which is close to the center.
When the guide assembly is pushed inwards, the rotating frame 2005 rotates anticlockwise, the roller 702 rotates at one end of the outer side of the L-shaped fixing rod 7, and the roller 702 rolls on the inner side of the arc-shaped frame 20053 on the rotating frame 2005 simultaneously, so that the purpose of reducing friction force is achieved.
The device also comprises a first strip-shaped baffle 6, a third fixed plate 601, a first thrust spring 603, a second strip-shaped baffle 604, a fourth fixed plate 605 and a second thrust spring 607, wherein the third fixed plate 601 is symmetrically arranged in the first U-shaped plate 5003, one side of the third fixed plate 601 close to the first chute plate 5004 is fixedly connected with the first strip-shaped baffle 6, the first strip-shaped baffle 6 is in sliding connection with the sliding groove of the third fixed plate 601 in the sliding groove of the first limiting plate 5, the first thrust spring 603 is arranged between the third fixed plate 601 and the first chute plate 5004, the fourth fixed plate 605 is symmetrically arranged in the second U-shaped plate 5008, one side of the fourth fixed plate 605 close to the second chute plate 5009 is fixedly connected with the second strip-shaped baffle 604, the second strip-shaped baffle 604 is in sliding connection with the sliding groove of the fourth fixed plate 605 in the sliding groove of the first limiting plate 5, the second thrust spring 607 is arranged between the fourth fixed plate 605 and the second chute plate 5009, the width of the first strip-shaped barrier 6 is smaller than that of the second strip-shaped barrier 604.
When an operator controls the transmission mechanism to drive the clamping mechanism to move towards the center of the clamp and clamp the pump cover blank, the first U-shaped plate 5003 in the clamping assembly A drives the two third fixing plates 601 to push inwards when pushing towards the center, so as to drive the two first strip-shaped baffles 6 to cover the linear sliding groove 301 on the workbench, the second U-shaped plate 5008 in the clamping assembly B drives the two fourth fixing plates 605 to push inwards when pushing towards the center, so as to drive the two second strip-shaped baffles 604 to cover the linear sliding groove 301 on the workbench, so as to prevent scraps generated during processing from falling into the clamp, after the linear sliding groove 301 is covered, each first strip-shaped baffle 6 and each second strip-shaped baffle 604 are limited by the sliding column 402 and stop, after stopping, the clamping assembly A and the clamping assembly B continue to clamp towards the center to compress each first thrust spring 603 and each second thrust spring 607, after the deceleration motor 2001 stops, each compressed first thrust spring 603 and second thrust spring 607 automatically reset to drive each first bar-shaped baffle 6 and each second bar-shaped baffle 604 to open outwards, and after each first bar-shaped baffle 6 and each second bar-shaped baffle 604 open outwards, the sliding column 402 is no longer limited to enable the sliding column 402 and the rotating disc 4 to reset.
The sliding column structure further comprises a first rubber buffer head 602 and a second rubber buffer head 606, the first rubber buffer head 602 is fixedly connected to one end, close to the through hole 302, of the first strip-shaped baffle 6, the second rubber buffer head 606 is fixedly connected to one end, close to the through hole 302, of the second strip-shaped baffle 604, the width of the first rubber buffer head 602 is smaller than that of the second rubber buffer head 606, and the first rubber buffer head 602 and the second rubber buffer head 606 are respectively in contact with the sliding column 402.
When each first strip-shaped baffle 6 and each second strip-shaped baffle 604 cover the linear chute 301, the first rubber buffer head 602 on each first strip-shaped baffle 6 and the second rubber buffer head 606 on each second strip-shaped baffle 604 contact with the sliding column 402, and are extruded to deform after contact so as to completely cover the gap between the sliding column 402 and the linear chute 301, thereby achieving the purpose of buffering and protecting the sliding column 402.
The waste chip collecting device further comprises a second arc-shaped groove 20051 on the rotating frame 2005, wherein the second arc-shaped groove 20051 is formed in the rotating frame 2005, the second arc-shaped groove 20051 is annularly distributed on the rotating frame 2005, the second arc-shaped groove 20051 is arranged on the outer side of the third arc-shaped groove 20052, and the second arc-shaped groove 20051 is used for leaking waste chips.
When the pump cover blank is machined, splashed waste chips can leak down through the second arc-shaped groove 20051 on the rotating frame 2005, and the waste chips are prevented from accumulating in the rotating frame 2005.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a digit control machine tool automatic clamp, including the mount, the orifice plate, the filler ring, L type fixed plate, arc layer board and first fixed plate, four orifice plates of mount outside annular fixedly connected with, mount top fixedly connected with filler ring, four L type fixed plates of filler ring top fixedly connected with, four L type fixed plates distribute at filler ring top annular, four arc layer boards of L type fixed plate outside annular fixedly connected with, first fixed plate of bottom all fixedly connected with of every arc layer board, a first arc wall has all been seted up to every arc layer board, its characterized in that: the pump cover blank clamping device is characterized by further comprising a transmission mechanism, a centering mechanism and clamping mechanisms, wherein the transmission mechanism is arranged on the fixing frame, the centering mechanism is arranged on the transmission mechanism, the transmission mechanism is used for driving the centering mechanism to open and close, two pairs of clamping mechanisms are annularly arranged on the outer side of the centering mechanism, the transmission mechanism and the driving clamping mechanisms clamp the pump cover blank towards the center, and the centering mechanism is in contact with the clamping mechanisms.
2. The automatic clamp for the numerical control machine tool as claimed in claim 1, wherein: the transmission mechanism comprises mounting plates, speed reducing motors, straight gears, tension springs, second fixing plates, rotating frames, arc-shaped frames, first one-way bearings, first center wheels, second center wheels, planetary gears, second one-way bearings and inner gear rings, the number of the mounting plates is two, the mounting plates are fixedly connected to the inner sides of the fixing frames, the speed reducing motors are fixedly connected to the inner sides of the two mounting plates, power output shafts of the speed reducing motors face upwards, the straight gears are fixedly connected to the power output shafts of the speed reducing motors, one tension spring is mounted at one end of each first fixing plate, a second fixing plate is mounted at the other end of each tension spring and is in sliding connection with the second fixing plates in first arc-shaped grooves of the arc-shaped supporting plates, the rotating frames are fixedly connected to the tops of the four second fixing plates, the four arc-shaped frames are annularly arranged on the rotating frames, four third arc-shaped grooves are annularly formed in the rotating frames, the inner side of the rotating frame is fixedly connected with a second one-way bearing, the inner side of the second one-way bearing is fixedly connected with an inner gear ring, the rotating frame is rotatably connected with a planetary gear, the planetary gear is arranged on the inner side of the inner gear ring and is meshed with the inner gear ring, the center of the rotating frame is rotatably connected with a first central gear and a second central gear, the first central gear is fixedly connected with a second central gear, the first central gear is meshed with the planetary gear, the center of the first central gear is fixedly connected with a first one-way bearing, the second central gear is meshed with a straight gear, and the four L-shaped fixing plates respectively slide in four third arc-shaped grooves.
3. The automatic clamp for numerical control machine tool according to claim 2, characterized in that: centering mechanism is including the processing platform, the collet, carousel and slip post, processing platform fixed connection is on the inboard top of collet, eight sharp spouts have been seted up on the processing platform, eight sharp spouts are two bisymmetry respectively, six through-holes that are used for punching have been seted up on the processing platform, the inboard fixed connection of four L type fixed plates is on the collet, the bottom side of collet rotates and is connected with the carousel, all sliding connection has a slip post in every sharp spout, eight fourth arc walls have been seted up on the carousel, all with a slip post sliding connection in every fourth arc wall, be provided with the torsional spring on the center pin of carousel, the one end and the carousel fixed connection of torsional spring, the other end of torsional spring and the inboard fixed connection of first centre wheel.
4. The automatic clamp for numerical control machine tool according to claim 3, characterized in that: the clamping mechanism comprises first limiting plates, second limiting plates, an A clamping assembly, a B clamping assembly and a guide assembly, wherein the A clamping assembly is symmetrically provided with two groups, the B clamping assembly is symmetrically provided with two groups, the number of the first limiting plates is four, four first limiting plates are annularly and fixedly connected to the top of the lower end of the bottom support, the top of each first limiting plate is fixedly connected with the second limiting plate, the A clamping assembly comprises a first pushing column, a first U-shaped plate, a first chute plate, a first clamping plate and a first spring, one end of the first clamping plate, close to the first limiting plate, is arc-shaped, a first pushing column is slidably connected in a circular chute on the second limiting plate, one end of the first pushing column, close to the first limiting plate, is fixedly connected with the first U-shaped plate, one end of the first U-shaped plate, close to the first limiting plate, is fixedly connected with the first chute plate, and one end of the first chute plate, close to the first limiting plate, is fixedly connected with the first clamping plate, the first clamping plate is connected with the first limiting plate in a sliding way, a first spring is arranged between the first U-shaped plate and the L-shaped plate on the second limiting plate, the B clamping assembly comprises a second pushing column and a second U-shaped plate, the second chute board, second splint and second spring, the one end that the second splint are close to first limiting plate is the crew cut, sliding connection has the second to promote the post in the circular spout on the second limiting plate, the second promotes the one end fixedly connected with second U template that the post is close to first limiting plate, the one end fixedly connected with second chute board that the second U template is close to first limiting plate, the one end fixedly connected with second splint that the second chute board is close to first limiting plate, second splint and first limiting plate sliding connection, be equipped with the second spring between the L template on second U template and the second limiting plate, the one end that first limiting plate was kept away from to first promotion post and the one end that first limiting plate was kept away from to the second promotion post are all fixedly connected with guide assembly.
5. The automatic clamp for numerical control machine tool according to claim 4, characterized in that: the guide assembly comprises an L-shaped fixed rod, a roller and a roller, one end of the first limiting plate, away from the first limiting plate, of the first pushing column and one end of the first limiting plate, away from the first limiting plate, of the second pushing column are fixedly connected with the L-shaped fixed rod, the other end of the L-shaped fixed rod is fixedly connected with the roller, the roller is rotatably connected with the roller, and the roller is in contact with one side, close to the center, of the arc-shaped frame on the rotating frame.
6. The automatic clamp for numerical control machine tool according to claim 4, characterized in that: also comprises a first strip baffle, a third fixed plate and a first thrust spring, the second bar baffle, fourth fixed plate and second thrust spring, the third fixed plate is installed to the symmetry in the first U template, one side fixedly connected with first bar baffle that the third fixed plate is close to first spout board, first bar baffle and the spout sliding connection of third fixed plate in the spout of first limiting plate, be equipped with first thrust spring between third fixed plate and the first spout board, the fourth fixed plate is installed to the symmetry in the second U template, one side fixedly connected with second bar baffle that the fourth fixed plate is close to the second spout board, second bar baffle and the spout sliding connection of fourth fixed plate in the spout of first limiting plate, be equipped with second thrust spring between fourth fixed plate and the second spout board, the width of first bar baffle is less than the width of second bar baffle.
7. The automatic clamp for numerical control machine tool according to claim 6, characterized in that: the rubber buffer structure is characterized by further comprising a first rubber buffer head and a second rubber buffer head, wherein the first rubber buffer head is fixedly connected to one end, close to the through hole, of the first strip-shaped baffle, the second rubber buffer head is fixedly connected to one end, close to the through hole, of the second strip-shaped baffle, the width of the first rubber buffer head is smaller than that of the second rubber buffer head, and the first rubber buffer head and the second rubber buffer head are respectively in contact with the sliding column.
8. The automatic clamp for numerical control machine tool according to claim 7, wherein: the waste chip discharging device is characterized by further comprising a second arc-shaped groove on the rotating frame, the second arc-shaped groove is formed in the rotating frame, the second arc-shaped groove is distributed on the rotating frame in an annular mode, the second arc-shaped groove is located on the outer side of the third arc-shaped groove, and the second arc-shaped groove is used for discharging waste chips.
CN202110508266.7A 2021-05-11 2021-05-11 Automatic fixture of numerical control machine tool Active CN113211128B (en)

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CN117711761A (en) * 2024-01-31 2024-03-15 辽宁芯峻电气有限公司 Low-noise iron core reactor
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CN114505435A (en) * 2022-02-10 2022-05-17 山西天宝集团有限公司 Device for forging wind power flange blank-making punching holes on press machine
CN114918454A (en) * 2022-06-10 2022-08-19 滁州市盛捷新材料有限公司 Door closer end cover drilling equipment
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CN117711761B (en) * 2024-01-31 2024-05-17 辽宁芯峻电气有限公司 Low-noise iron core reactor
CN117961175A (en) * 2024-04-01 2024-05-03 蓬莱巨涛海洋工程重工有限公司 Pipeline conveying device for slitting large-diameter thick-wall pipe
CN117961175B (en) * 2024-04-01 2024-05-28 蓬莱巨涛海洋工程重工有限公司 Pipeline conveying device for slitting large-diameter thick-wall pipe

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