CN116037563A - Chip removing device for zero point positioning system - Google Patents
Chip removing device for zero point positioning system Download PDFInfo
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- CN116037563A CN116037563A CN202310038877.9A CN202310038877A CN116037563A CN 116037563 A CN116037563 A CN 116037563A CN 202310038877 A CN202310038877 A CN 202310038877A CN 116037563 A CN116037563 A CN 116037563A
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- annular
- zero point
- chip removing
- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- 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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Abstract
The invention discloses a chip removing device for a zero point positioning system, wherein a center positioning cavity for inserting a positioning pin is formed in a zero point positioner, a ball type clamping assembly is arranged in the center positioning cavity, the ball type clamping assembly comprises a supporting table and clamping steel balls movably arranged on the supporting table, an annular moving part for driving the clamping steel balls to move along the inclined plane of the top of the supporting table is arranged in the zero point positioner, an air blowing type chip removing assembly is arranged at the bottom of the center positioning cavity, and when the clamping steel balls are in a non-clamping state, the air blowing type chip removing assembly can blow out chips on the center positioning cavity and the supporting table. According to the chip removing device for the zero point positioning system, when chips are accumulated on the central positioning cavity and the supporting table, the chips can be automatically blown out through the air blowing type chip removing assembly, so that the chips are effectively prevented from remaining in gaps between the central positioning cavity and the clamping steel balls, and the positioning accuracy of the zero point positioner in the use process is ensured.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a chip removing device for a zero point positioning system.
Background
In the field of mechanical industry, reference as a reference is generally called zero point or zero position, when machining or measuring, the zero point of a workpiece is firstly determined, and then machining or measuring is carried out according to the zero point, but during machining, parts often cannot be kept still all the time, the zero point is required to be determined from one working procedure to another working procedure, from one machine tool to another machine tool, and irregularly-shaped parts are not good, so that the zero point needs to be aligned by dragging a meter again, a lot of auxiliary work is carried out, a large amount of downtime is caused, and the working efficiency is reduced. The zero point positioning system is a unique positioning and locking device, can keep workpieces from one station to another station, from one process to another process, or from one machine tool to another machine tool, and the zero point is kept unchanged all the time, so that the auxiliary time for re-aligning the zero point can be saved, the continuity of work is ensured, the work efficiency is improved, the zero point positioning system generally comprises a zero point positioner and a positioning pin or blind rivet matched with the zero point positioner, in the use process, the positioning pin or blind rivet is generally preloaded on a clamp, and the clamp is directly installed on the zero point positioner through the positioning pin or blind rivet when the clamp is replaced.
In the machining process, the chips are inevitably generated, the stability, the precision and the service life of a zero point positioning system are greatly influenced by the chips, therefore, the machining efficiency is reduced, chip prevention or chip removal structures are arranged on part of the zero point positioning system in the prior art, the influence of the chips on the zero point positioner is reduced through the chip prevention or chip removal structures, for example, the application publication number is CN112692606A, the application publication date is 2021 month 23, the patent application is named as a chip accumulation preventing zero point positioning device, the chip prevention device comprises a base and a zero point positioning disk arranged on the base, an installation gap is formed at the connecting part between the base and the zero point positioning disk, a chip prevention ring is arranged in the installation gap, an inner hole in the middle of the chip prevention ring is matched with the connecting part, the upper end face and the lower end face of the zero point positioning disk are respectively attached to each other, a threaded hole is formed in the lower end face of the zero point positioning disk, and the chip prevention ring is provided with a connecting hole, and the connecting hole comprises a counter bore and a through hole which is formed in the lower end face of the chip prevention ring and is aligned with the through hole. According to the zero point positioning device, the chip-preventing ring is arranged and is in abutting fit with the zero point positioning disc and the base, and the chip-preventing ring is filled in the installation gap between the base and the zero point positioning disc, so that the accumulation of chips in the installation gap in the part machining process is prevented, the chips in the machining process are prevented from scratching the surface of the part, the repeated clamping and the smooth completion of the machining of the part are ensured, and the chips are prevented from being manually removed.
At present, most of zero point positioning systems position and clamp positioning pins or blind nails through steel balls distributed in a circumferential direction, in the use process, besides the fact that scraps are easily accumulated in installation gaps between a base and a zero point positioning disc described in the patent, scraps are easily accumulated in a replacement process in a center hole of a zero point positioner and steel ball grooves, once scraps enter the zero point positioner, the scraps are extremely difficult to remove, and because certain rolling gaps exist between the steel balls, the scraps easily enter the gaps between the steel balls, rolling clamping stagnation of the steel balls is caused, so that the positioning accuracy of the zero point positioner is affected, and even the zero point positioner is invalid in serious cases.
Disclosure of Invention
The object of the present invention is to provide a chip removing device for a zero point positioning system, which solves the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a remove bits device for zero point positioning system, includes the zero point locator, have in the zero point locator and be used for locating pin male central location chamber, be provided with ball clamping assembly in the central location chamber, ball clamping assembly includes brace table and activity setting and is in clamp steel ball on the brace table, be provided with in the zero point locator the drive clamp steel ball is followed the annular moving part of brace table top inclined plane motion, the bottom in central location chamber is provided with the air-blowing type and removes bits subassembly, when clamp steel ball is in non-centre gripping state, the air-blowing type removes bits subassembly can with central location chamber with the piece on the brace table blows.
The dust removing device for the zero point positioning system comprises the air blowing component arranged at the bottom of the central positioning cavity, and the air blowing component at least comprises an air blowing hole arranged along the axis direction of the central positioning cavity.
The chip removing device for the zero point positioning system is characterized in that the supporting table is an annular table, an annular groove is formed in the annular table, a plurality of chip removing through holes are formed in the annular groove, and the chip removing through holes are sequentially arranged at intervals along the circumferential direction of the annular groove.
According to the chip removing device for the zero point positioning system, the lower end of the chip removing through hole is communicated with the central positioning cavity.
The chip removing device for the zero point positioning system is characterized in that the inner side edge and the outer side edge of the supporting table are respectively provided with the inner annular protruding portion and the outer annular protruding portion, and the height of the inner annular protruding portion is larger than that of the outer annular protruding portion.
The chip removing device for the zero point positioning system comprises the zero point positioner, wherein the zero point positioner is internally provided with the annular table, the annular moving cavity is internally provided with the annular moving part, the annular moving part comprises an annular moving seat and an annular baffle plate arranged on the annular moving seat, the bottom of the annular moving part is provided with a clamping spring, the annular moving part is driven by the driving part to move along the annular moving cavity and has a first working position and a second working position, the annular baffle plate is stored in the annular moving cavity, and the clamping steel balls are partially rolled to the upper part of the annular moving cavity so that chip removing through holes are all opened.
The chip removing device for the zero point positioning system further comprises a cylinder sealing piece which is movably connected in the central positioning cavity, and the cylinder sealing piece can move up and down along the axial direction of the central positioning cavity.
According to the chip removing device for the zero point positioning system, the cylinder sealing piece comprises a sealing state and a collecting state which correspond to the working state of the clamping steel balls; when the clamping steel balls are in the non-clamping state, the cylinder sealing piece is in the sealing state so as to seal the central positioning cavity; when the clamping steel balls are in the clamping state, the cylinder sealing piece is pressed and moved into the central positioning cavity to be in the storage state.
According to the chip removing device for the zero point positioning system, the ventilation channel for the gas to pass through is formed in the cylinder sealing piece in a hollow mode, and the side wall of the cylinder sealing piece is provided with the air blowing hole.
The chip removing device for the zero point positioning system further comprises an automatic chip removing assembly, wherein the automatic chip removing assembly is arranged right above the supporting table, and the installation stroke and the disassembly stroke of the positioning pin are correspondingly used for driving the automatic chip removing assembly to work.
In the technical scheme, the chip removing device for the zero point positioning system is provided with the central positioning cavity for inserting the positioning pin, the ball type clamping assembly is arranged in the central positioning cavity and comprises the supporting table and the clamping steel balls movably arranged on the supporting table, and the air blowing type chip removing assembly is arranged at the bottom of the central positioning cavity, so that when chips are accumulated on the central positioning cavity and the supporting table during processing by using the zero point positioning system, the chips can be automatically blown out by the air blowing type chip removing assembly, the chips are effectively prevented from remaining in a gap between the central positioning cavity and the clamping steel balls, and the positioning precision of the zero point positioning device in the use process is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a perspective view of a zero positioner according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a support table according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a zero positioner provided by another embodiment of the present invention, in which the annular moving member is located at the first working position;
fig. 4 is a schematic structural view of a zero positioner provided by another embodiment of the present invention, in which the annular moving member is located at the second working position;
FIG. 5 is a schematic view of a zero point positioner during installation of a positioning pin according to still another embodiment of the present invention;
fig. 6 is a schematic structural view of a zero point positioner in a clamping state with a clamping steel ball according to still another embodiment of the present invention;
FIG. 7 is a schematic view of a cylinder seal according to another embodiment of the present invention;
FIG. 8 is a schematic view of a rotary member according to another embodiment of the present invention;
fig. 9 is a schematic structural diagram of a positioning assembly according to another embodiment of the present invention.
Reference numerals illustrate:
1. a zero point positioner; 1.1, chip removal port; 1.2, an annular movement cavity; 1.3, an annular moving part; 1.4, clamping springs; 1.5, an annular movement seat; 1.6, an annular baffle; 1.7, a mounting cavity; 2. a central positioning cavity; 2.1, a sliding groove; 3. a ball-type clamping assembly; 3.1, a supporting table; 3.2, clamping steel balls; 3.3, an annular groove; 3.4, chip removal through holes; 3.4.1, vertical section; 3.4.2, inclined sections; 3.5, an inner annular bulge; 3.6, an outer annular bulge; 4. a blowing type chip removing assembly; 4.1, an air blowing component; 5. a cylinder seal; 5.1, an arc-shaped positioning part; 5.2, driving structure; 5.3, driving plate; 5.4, wedge drive; 5.5, vent holes; 5.6, supporting the spring; 6. an automatic chip removal assembly; 6.1, a rotating member; 6.1.1, a ring; 6.2, cleaning the piece; 6.3, a movement groove; 6.4, pressing the inclined plane; 6.5, penetrating through the through groove; 6.6, positioning groove; 7. an elastic barrier; 8. a positioning assembly; 8.1, positioning columns; 8.2, sliding plate; 8.3, positioning the channel; 8.4, positioning through holes; 8.5, spring members; 8.6, a blocking block; 9. an unlocking member; 9.1, fixing blocks; 10. and (5) positioning pins.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-9, the embodiment of the invention provides a chip removing device for a zero positioning system, which comprises a zero positioner 1, wherein a central positioning cavity 2 for inserting a positioning pin 10 is arranged in the zero positioner 1, a ball type clamping assembly 3 is arranged in the central positioning cavity 2, the ball type clamping assembly 3 comprises a supporting table 3.1 and a clamping steel ball 3.2 movably arranged on the supporting table 3.1, an annular moving part 1.3 for driving the clamping steel ball 3.2 to move along the inclined plane of the top of the supporting table 3.1 is arranged in the zero positioner 1, a blowing type chip removing assembly 4 is arranged at the bottom of the central positioning cavity 2, and when the clamping steel ball 3.2 is in a non-clamping state, the blowing type chip removing assembly 4 can blow chips on the central positioning cavity 2 and the supporting table 3.1.
Specifically, the zero point positioning system comprises a zero point positioner 1 and a positioning pin 10, the positioning pin 10 comprises different types of structures, such as a main positioning pin, an auxiliary positioning pin, a tensioning positioning pin and the like, the positioning pin 10 is arranged at the bottom of a positioning clamp, the positioning clamp is used for fixing a processing workpiece, the positioning clamp is fixed to the zero point positioner 1 of different processing equipment through the positioning pin 10 to realize zero point positioning among different working procedures, a central positioning cavity 2 for inserting the positioning pin 10 is arranged on the zero point positioner 1, the side wall of the central positioning cavity 2 is provided with a mounting cavity 1.7 for mounting a ball type clamping assembly 3, the ball type clamping assembly 3 comprises a supporting table 3.1 and clamping steel balls 3.2, the upper end of the supporting table 3.1 is provided with an inclined plane, the height of the inclined plane of the supporting table 3.1 is gradually reduced in the direction of outwards radiating from the center of the central positioning cavity 2, the clamping steel balls 3.2 are arranged on the inclined plane in a rolling way, an annular moving cavity 1.2 is arranged in the zero point positioner 1 in a rolling way, the annular moving cavity 1.2 is arranged on the outer side of the central positioning cavity 2 in a coaxial way, the annular moving cavity 1.2 is arranged on the side of the central positioning cavity 2, the side of the central positioning cavity 2 in a coaxial positioning cavity, the side of the central positioning cavity is provided with a mounting cavity 1.7 for mounting the ball type clamping assembly, the ball type clamping assembly 3.2, the ball type clamping assembly can move on the annular steel balls and the annular moving assembly and the annular moving body 1.2.
In this embodiment, a control air path and a clamping spring 1.4 are disposed in the zero positioner 1, and a driving structure 5.2 for driving the annular moving member 1.3 is formed by using the control air path and the clamping spring 1.4, so that the annular moving member 1.3 moves up and down to have a first working position and a second working position, the annular moving member 1.3 moves up and down to correspondingly drive the clamping steel ball 3.2 to roll on an inclined plane, so that a clamping state and a non-clamping state are formed between the clamping steel ball 3.2 and the positioning pin 10, and the operation process is as follows: firstly, a control air path is opened to drive the annular moving part 1.3, so that the annular moving part 1.3 moves downwards along the annular moving cavity 1.2, the annular moving part 1.3 props against the clamping spring 1.4, the clamping spring 1.4 has elasticity, at the moment, the compression of the annular moving part 1.3 to the clamping steel balls 3.2 disappears, the clamping steel balls 3.2 lose thrust and retreat along the inclined plane at the top of the supporting table 3.1 under the action of gravity, and the radial size of a virtual circle formed by the nearest points of the clamping steel balls 3.2 is larger than the radial size of the positioning pin 10, at the moment, the annular moving part 1.3 is in a second working position, and the clamping steel balls 3.2 are in a non-clamping state; then the locating pin 10 is gradually inserted into the central locating cavity 2, after the locating pin 10 is inserted into place, the control gas circuit is closed, under the action of the clamping spring 1.4, the annular moving part 1.3 is driven to move upwards along the annular moving cavity 1.2, the annular moving part 1.3 pushes the clamping steel balls 3.2 to roll inwards along the inclined plane at the top of the supporting table 3.1 and to be attached to the arc-shaped surface in the middle of the locating pin 10, so that the locating pin 10 is clamped, at the moment, the annular moving part 1.3 is in a first working position, the clamping steel balls 3.2 are in a clamping state, when the locating pin 10 needs to be taken out, the annular moving part 1.3 is enabled to move to a second working position through the control gas circuit, the clamping steel balls 3.2 are separated from the locating pin 10 to be in a non-clamping state, and accordingly the locating pin 10 is taken out, and a part (the annular moving part 1.3) is driven to reciprocate through pneumatic operation.
In this embodiment, the setting of formula of blowing detritus subassembly 4 is in the bottom of central location chamber 2, the formula of blowing detritus subassembly 4 includes the air inlet structure and the piece of blowing that is connected with the air inlet structure, the piece of blowing sets up along the axis direction of central location chamber 2, be provided with the gas pocket on the piece of blowing, the air inlet structure sets up on the lateral wall of zero positioner 1, can carry gas to the piece of blowing through the air inlet structure, after so taking out locating pin 10 from central location chamber 2, control the work of formula of blowing detritus subassembly 4, the gas carries to the piece of blowing from the air inlet structure, gas is exported from the piece of blowing, with the piece of blowing up on central location chamber 2 and the brace table 3.1 and export from the opening part at central location chamber 2 top, so when accumulating on central location chamber 2 and brace table 3.1 has the piece, the clearance of piece just can be realized through the work of formula of blowing detritus subassembly 4.
The embodiment of the invention provides a chip removing device for a zero point positioning system, wherein a center positioning cavity 2 for inserting a positioning pin 10 is arranged in a zero point positioner 1, a ball type clamping assembly 3 is arranged in the center positioning cavity 2, the ball type clamping assembly 3 comprises a supporting table 3.1 and a clamping steel ball 3.2 movably arranged on the supporting table 3.1, and an air blowing type chip removing assembly 4 is arranged at the bottom of the center positioning cavity 2, so that when the zero point positioning system is used for processing, chips are accumulated on the center positioning cavity 2 and the supporting table 3.1, the chips can be automatically blown out through the air blowing type chip removing assembly 4, the chips are effectively prevented from remaining in a gap between the center positioning cavity 2 and the clamping steel ball 3.2, and the positioning accuracy of the zero point positioner 1 in the using process is ensured.
In the embodiment provided by the invention, preferably, the air blowing type chip removing assembly 4 comprises an air blowing assembly 4.1 arranged at the bottom of the central positioning cavity 2, a connecting port communicated with the air blowing assembly 4.1 is arranged on the side wall of the zero point positioner 1, an air pressure device for conveying air to the air blowing assembly 4.1 is connected to the connecting port, the air blowing assembly 4.1 comprises a first air blowing hole arranged along the axis direction of the central positioning cavity 2, chips in the central positioning cavity 2 are blown out through the first air blowing hole, the air blowing assembly 4.1 can also comprise a second air blowing hole arranged along other directions, for example, a chip removing port 1.1 communicated with the annular movement cavity 1.2 is arranged on the outer side wall of the zero point positioner 1, a sealing structure capable of being opened or closed is arranged on the chip removing port 1.1, an air blowing channel is arranged on the annular movement cavity 1.2, and is communicated with the second air blowing hole on the air blowing assembly 4.1, and a first control valve is arranged on the air blowing channel, so when the annular movement cavity 1.2 is in use, chips can be accumulated, the first air blowing hole can be blown out through the first control valve, the first air hole can be opened through the first air blowing hole, the first air hole can be opened and the first air hole can not be opened, the first air hole can be opened and the second air hole can be opened and work independently and can not be opened according to the first air hole 1.1.
In the embodiment provided by the invention, further, the supporting table 3.1 is an annular table, the inclined surface at the top of the annular table is provided with the annular groove 3.3, the annular groove 3.3 is provided with a plurality of chip removing through holes 3.4, the chip removing through holes 3.4 are sequentially arranged at intervals along the circumferential direction of the annular groove 3.3, each chip removing through hole 3.4 is communicated with the central positioning cavity 2, the chip removing through holes 3.4 comprise a vertical section 3.4.1 and an inclined section 3.4.2 which are connected, the vertical section 3.4.1 is arranged along the axial direction of the central positioning cavity 2, the inclined section 3.4.2 is arranged at the bottom of the vertical section 3.4.1, the inclined section 3.4.2 realizes the communication between the vertical section 3.4.1 and the central positioning cavity 2, so that when chips exist in the annular groove 3.3, the chips can fall into each chip removing through hole 3.4, the chips can be gradually conveyed into the central positioning cavity 2 along with the vertical section 3.4.1 and the inclined section 3.4.2 of the chip removing through holes 3.4, the output chips in the central positioning cavity 2 through the first air hole of the blowing type chip removing component 4, a second control valve may also be provided on the inclined section 3.4.2 of each debris removal aperture 3.4, the second control valve controlling the opening or closing of the inclined section 3.4.2 such that when the air-blown debris removal assembly 4 is in operation, the second control valve closes the inclined section 3.4.2 to avoid upward transport of debris from the inclined section 3.4.2 and the vertical section 3.4.1 into the annular recess 3.3, when the air-blown debris removal assembly 4 is not in operation, the second control valve opens the inclined section 3.4.2 such that debris in the annular recess 3.3 is transported from the debris removal aperture into the centrally located chamber 2, and a communication structure may also be provided in front of the annular movement chamber 1.2 and the centrally located chamber 2, the communication structure may be a connecting channel such that when debris accumulates in the centrally located chamber 2, debris is both output from the top of the centrally located chamber 2 when operated through the first air-blown debris removal assembly 4, and the chip can be conveyed into the annular movement cavity 1.2 from the connecting channel, and when the chip is accumulated in the annular movement cavity 1.2, the chip is blown into the annular movement cavity 1.2 through the second air blowing hole and the air blowing channel of the air blowing type chip removing assembly 4, so that the chip is output from the chip removing port 1.1.
In another embodiment provided by the invention, preferably, the inner side edge and the outer side edge of the annular table are respectively provided with the inner annular protruding part 3.5 and the outer annular protruding part 3.6, the height of the inner annular protruding part 3.5 is larger than that of the outer annular protruding part 3.6, the inner annular protruding part 3.5 and the outer annular protruding part 3.6 are respectively positioned on the inner annular side edge and the outer annular side edge of the annular groove 3.3, so that scraps generated in the working process of the zero point positioner 1 can be accumulated in the annular groove 3.3, when the clamping steel ball 3.2 is in a clamping state, the annular moving part 1.3, the inner annular protruding part 3.5 and the outer annular protruding part 3.6 jointly support the clamping steel ball, so that the clamping steel ball 3.2 clamps and positions the positioning pin 10, when the thrust of the annular moving part 1.3 to the clamping steel ball 3.2 disappears, the supporting position of the inner annular protruding part 3.5 is higher than that of the outer annular protruding part 3.6 to the clamping steel ball 3.2, and under the action of the clamping force of the clamping steel ball 3.2 moves to the clamping steel ball 2 from the clamping state to the clamping state, and the clamping steel ball 3.2 is far away from the clamping state.
In the embodiment provided by the invention, preferably, an annular moving cavity 1.2 is arranged around an annular table in the zero point positioner 1, an annular moving part 1.3 is arranged in the annular moving cavity 1.2, a clamping spring 1.4 is arranged at the bottom of the annular moving part 1.3, a driving part is connected to the annular moving part 1.3, the driving part can be a driving piston part or can be a pneumatic driving part or other structures, the annular moving part 1.3 comprises an annular moving seat 1.5 and an annular baffle plate 1.6 arranged on the annular moving seat 1.5, an inclined supporting surface is arranged at the upper end of the annular baffle plate 1.6, the annular moving part 1.3 is driven by the driving part to move along the annular moving cavity 1.2 and has a first working position and a second working position, the annular baffle plate 1.6 extends out of the annular moving cavity 1.2 and supports the clamping steel balls 3.2, the annular baffle plate 1.2 is in a clamping state, the annular baffle plate 1.6 is stored in the second working position to the annular moving cavity 1.2, the annular baffle plate 1.6 is arranged in the annular moving cavity 1.2, the annular baffle plate 1.2 is arranged in the annular moving cavity 2, the annular baffle plate is positioned in the annular moving cavity 3.2, and the annular baffle plate is positioned in the annular moving cavity 3.4 and is positioned in the annular moving cavity, and is separated from the annular cavity 3.4 to the annular moving cavity, and the annular baffle plate is positioned in the annular moving cavity 3 and the annular baffle plate is positioned in the annular moving cavity 3 and the annular baffle plate 3 is positioned in the annular position and the chip clamping cavity.
In another embodiment provided by the invention, the invention further comprises a cylinder sealing piece 5 which is movably connected in the central positioning cavity 2, wherein the cylinder sealing piece 5 comprises a sealing state and a collecting state which correspond to the working state of the clamping steel ball 3.2, when the clamping steel ball 3.2 is in a non-clamping state, the cylinder sealing piece 5 is in the sealing state to seal the central positioning cavity 2, when the clamping steel ball 3.2 is in the clamping state, the cylinder sealing piece 5 is pressed and moved into the central positioning cavity 2 to be in the collecting state, the cylinder sealing piece 5 moves along the axial direction of the central positioning cavity 2 in the process of switching between the sealing state and the collecting state, a supporting spring 5.6 is arranged at the bottom of the cylinder sealing piece 5, the bottom of the supporting spring 5.6 is fixed at the bottom of the central positioning cavity 2, the top of the supporting spring 5.6 is connected with the column sealing element 5 to support the column sealing element 5, when the supporting spring 5.6 is in an initial state, the column sealing element 5 is positioned at the top of the central positioning cavity 2 to seal the central positioning cavity 2, so that the central positioning cavity 2 forms a sealed cavity, chips, dust and other sundries are prevented from falling into the central positioning cavity 2, a sealing ring is arranged on the side wall of the column sealing element 5, the sealing effect on the central positioning cavity 2 can be improved through the sealing ring, an arc positioning part 5.1 corresponding to the clamping balls is arranged on the side wall of the column sealing element 5, therefore, in the initial state, under the action of the supporting spring 5.6, the column sealing element 5 seals the central positioning cavity 2, and the clamping balls are clamped on the arc positioning part 5.1 of the column sealing element 5 to fix the column sealing element 5, when the positioning pin 10 is required to be inserted into the central positioning cavity 2, the control air channel is opened to drive the annular moving part 1.3, so that the annular moving part 1.3 moves downwards along the annular moving cavity 1.2, the annular moving part 1.3 is correspondingly positioned at a second working position, the clamping steel ball 3.2 is positioned in a non-clamping state, and the clamping steel ball 3.2 is positioned in a non-clamping state on the column sealing part 5; then, the positioning pin 10 is propped against the cylinder sealing piece 5, the cylinder sealing piece 5 is driven to gradually move downwards along the central positioning cavity 2, when the positioning pin 10 is inserted in place (the supporting spring 5.6 is compressed in a compressed state in the process), the control gas circuit is closed, under the action of the clamping spring 1.4, the annular moving piece 1.3 is driven to move upwards along the annular moving cavity 1.2, the annular moving piece 1.3 pushes the clamping steel ball 3.2 to roll inwards along the inclined plane at the top of the supporting table 3.1 and is attached to the conical surface at the middle part of the positioning pin 10, the clamping of the positioning pin 10 is realized, at the moment, the annular moving piece 1.3 is in a first working position, the clamping steel ball 3.2 is in a clamping state, at the moment, the cylinder sealing piece 5 is in an upward extrusion force on the positioning pin 10 in the axial direction, an auxiliary positioning function is realized, when the positioning pin 10 is required to be taken out, the annular moving piece 1.3 is enabled to move to a second working position through the control gas circuit, the clamping steel ball 3.2 is separated from the positioning pin 10 to be in a non-clamping state, thereby the positioning pin 10 is taken out, under the action of the supporting spring 5.6, the annular moving piece 5.5 is driven to move upwards along the inclined plane at the top of the supporting table 1.1, the supporting spring 5.6, the annular moving piece is driven to move synchronously, the annular moving piece 1.1 is opposite to the cylinder sealing piece 1, and the clamping piece 1 is clamped to move upwards along the cylinder 1.3, and the cylinder sealing piece 1 is clamped to move upwards along the cylinder 1.
In another embodiment provided by the invention, preferably, a ventilation channel through which gas passes is formed in the cylinder sealing member 5, a ventilation hole 5.5 which is communicated with the ventilation channel is formed in the side wall of the cylinder sealing member 5, an output part for outputting the gas is arranged at the top of the cylinder sealing member 5, the output part is communicated with the ventilation channel, an automatic opening valve is arranged on the output part, the ventilation hole 5.5 on the cylinder sealing member 5 is arranged on the arc-shaped positioning part 5.1 of the cylinder sealing member, so that when the cylinder sealing member 5 is in a sealing state, the gas in the ventilation channel can be conveyed to the supporting table 3.1 through the ventilation hole 5.5 to clean the chips on the supporting table 3.1, so that part of the chips on the supporting table 3.1 can be conveyed into the chip removing holes along with the gas flow, and is output from the output part at the top of the cylinder sealing member 5, and a control valve (not shown in the figure) is arranged on the ventilation hole 5.5, and thus the ventilation hole 5.5 can be selectively opened or closed, and the ventilation chip removing assembly 4 can be controlled automatically.
In still another embodiment provided by the invention, further, in the actual use process, the chips on the supporting table 3.1 cannot be completely cleaned only through the air output by the air channel and the air vent 5.5, so that the chips can accumulate and remain in the annular groove 3.3, and therefore, the automatic chip removing assembly 6 is further arranged, the automatic chip removing assembly 6 is arranged right above the supporting table 3.1, the installation stroke and the dismounting stroke of the positioning pin 10 are corresponding to the operation of driving the automatic chip removing assembly 6, the installation cavity 1.7 is arranged in the zero point positioner 1, the installation cavity 1.7 is positioned right above the supporting table 3.1, the automatic chip removing assembly 6 is arranged in the installation cavity 1.7, the automatic chip removing assembly 6 is used for cleaning the chips in the annular groove 3.3, the chips are prevented from accumulating in the annular groove 3.3, when the positioning pin 10 is installed, the positioning pin 10 is in pressing against the cylindrical sealing member 5 to move downwards along the central positioning cavity 2, the automatic chip removing assembly 6 is correspondingly driven to operate to remove the chips in the annular groove 3.3, and when the positioning pin 10 is dismounted, the automatic chip removing assembly 5 is correspondingly driven to press the cylindrical sealing member 5 to completely remove the chips in the annular groove 3.3, and the chips can completely remove the chips in the annular groove 3.
In still another embodiment of the present invention, the automatic chip removing assembly 6 further includes a rotating member 6.1 and cleaning members 6.2 disposed on the rotating member 6.1, where the cleaning members 6.2 are plural, and the plural cleaning members 6.2 are sequentially disposed at intervals along the circumferential direction of the rotating member 6.1; the bottom of clearance spare 6.2 is provided with clearance portion, clearance portion is located annular groove 3.3 and with the shape phase-match of annular groove 3.3, during installation locating pin 10, locating pin 10 supports and presses cylinder sealing member 5 and move down along central locating chamber 2, the corresponding drive rotation spare 6.1 is in forward rotation, the rotation stroke of rotation spare 6.1 in forward rotation at every turn is greater than the distance between two chip removal through-holes 3.4, the number of chip removal through-holes 3.4 is greater than the number of clearance spare 6.2, and the angle that two clearance spare 6.2 and rotation spare 6.1 center form the contained angle is less than or equal to the rotation angle of rotation spare 6.1 at every turn, thereby make all positions of annular groove 3.3 all can be cleared up, for example rotation spare 6.1 forward rotation at every turn 40, then the number of clearance spare 6.2 is greater than or equal to 9, the number of chip removal through-holes 3.4 is 10 at least, so when rotation spare 6.1 in the forward rotation spare 6.1 is in the rotation spare 6.1 at every turn formed the contained angle, can be cleared up the annular groove 3.4 when the clearance spare is carried out in the annular groove 3.3, can be carried out in the annular groove 3.3 and clearance spare 3.
In still another embodiment provided by the invention, a driving structure 5.2 is further arranged on the column sealing member 5, a rotating part corresponding to the driving structure 5.2 is arranged on the rotating member 6.1, when the column sealing member 5 moves from the sealing state to the storage state, the driving structure 5.2 correspondingly presses against the rotating part so that the rotating member 6.1 performs forward rotation in the installation cavity 1.7, in the running process of the forward rotation, the cleaning member 6.2 cleans the scraps in the annular groove 3.3, the driving structure 5.2 and the rotating part are correspondingly arranged, when the driving structure 5.2 and the rotating part are respectively provided with three or more, the driving structure 5.2 is arranged at intervals along the circumference of the column sealing member 5, the rotating part is arranged at intervals along the circumference of the rotating member 6.1, the driving structure 5.2 corresponds to the rotating part one by one, under the action of the supporting spring 5.6 in the initial state, the cylinder sealing member 5 seals the central positioning cavity 2, the cylinder sealing member 5 is in a sealing state, the clamping balls clamp the arc-shaped positioning portion 5.1 of the cylinder sealing member 5 to fix the cylinder sealing member 5, the rotating portion is blocked under the driving structure 5.2, when the positioning pin 10 is installed, the positioning pin 10 is gradually inserted into the central positioning cavity 2, the positioning pin 10 is propped against the cylinder sealing member 5 and drives the cylinder sealing member 5 to gradually move downwards along the central positioning cavity 2, the lower end of the cylinder sealing member 5 is limited by the supporting spring 5.6, so that the cylinder sealing member moves downwards along the axial direction of the central positioning cavity 2, the driving structure 5.2 drives the rotating portion, so that each rotating portion rotates, and correspondingly, the rotating member 6.1 performs forward rotation in the installation cavity 1.7, and each cleaning member 6.2 cleans scraps on the annular groove 3.3 and conveys the scraps into the scraps removing through holes 3.4. In this embodiment, the cleaning member 6.2 is plate-shaped, and has the function of isolating balls, so that the problem that the gap between two adjacent balls in the upper partial region of the annular groove 3.3 is too large due to too much concentration between the clamping balls is prevented, and meanwhile, the clamping balls are synchronously driven to roll in the rotation process of the cleaning member 6.2.
In a further embodiment of the present invention, preferably, the driving structure 5.2 includes a driving plate 5.3 disposed on the outer sidewall of the cylinder sealing member 5, and a wedge-shaped driving part 5.4 is disposed at the bottom of the driving plate 5.3; the rotating member 6.1 is an annular body, a movement groove 6.3 for the driving plate 5.3 to move is formed in the inner wall of the annular body, the movement groove 6.3 comprises a pressing inclined surface 6.4 and a penetrating through groove 6.5 formed in one side of the pressing inclined surface 6.4, the penetrating through groove 6.5 is arranged along the axis direction of the annular body, and when the positioning pin 10 is installed, the driving plate 5.3 comprises two movement strokes: the cylinder sealing piece 5 seals the central positioning cavity 2 in an initial state, the cylinder sealing piece 5 is in a sealing state, the pressing inclined surface 6.4 is located under the inclined surface of the wedge-shaped driving part 5.4, the pressing inclined surface 6.4 and the inclined surface of the wedge-shaped driving part 5.4 can be attached or detached, when the positioning pin 10 presses the cylinder sealing piece 5 and drives the cylinder sealing piece 5 to move downwards gradually along the central positioning cavity 2, the pressing inclined surface 6.4 blocks the inclined surface of the wedge-shaped driving part 5.4, the inclined surface 6.4 presses the pressing inclined surface 6.4 along with the gradual movement of the cylinder sealing piece 5, so that the annular body rotates, the process is the pressing driving stroke, when the annular body moves until the inclined surface of the wedge-shaped driving part 5.4 is separated from the pressing inclined surface 6.4, the driving plate 5.3 and the wedge-shaped driving part 5.4 move into the through groove 6.5, and then the cylinder sealing piece 5 is driven to move along the central positioning cavity 2, and the driving plate 5.3 does not move along the through groove 6.5 in the process.
In a further embodiment of the present invention, the present invention further includes a positioning assembly 8, where the positioning assembly 8 can lock the rotating member 6.1 at the end of the movement stroke of the forward rotation movement when the cylinder sealing member 5 moves from the sealing state to the storage state; after the end of the pressing driving stroke of the driving plate 5.3, the annular piece is driven to rotate to the end position with the largest rotation angle, at this time, the positioning component 8 locks the annular piece 6.1.1, thereby the annular piece is locked at the end position, the positioning component 8 comprises a positioning column 8.1 and a sliding plate 8.2 arranged on the positioning column 8.1, a positioning channel 8.3 is arranged on the top wall of the mounting cavity 1.7, a positioning through hole 8.4 for the positioning column 8.1 to extend is arranged on the positioning channel 8.3, the aperture of the positioning through hole 8.4 is smaller than the size of the positioning channel 8.3, the sliding plate 8.2 is limited in the positioning channel 8.3 in a sliding manner, a spring piece 8.5 is also arranged in the positioning channel 8.3, one end of the spring piece 8.5 is fixed on the bottom wall of the positioning channel 8.3, the other end of the spring piece is fixed on the sliding plate 8.2, a positioning groove 6.6.6 is arranged on the top wall of the annular piece 6.1, at the initial stage, the aperture of the positioning through hole 8.4 is smaller than the size of the positioning channel 8.3, the sliding plate 8.2 is limited in the positioning channel 8.3 in a sliding manner, at this time, when the end of the positioning channel 8.3 is positioned in the end position of the positioning channel 8.3, the sealing piece is positioned in the end position of the sealing column 8.5, and the sealing column is pressed down, and the end of the sealing column is positioned in the end position of the positioning column 8.1, when the sealing column is pressed down, and the end position of the sealing column is pressed down in the end position of the driving column 5, and the end position of the sealing column 5 is in the end position of the driving channel 5.
In still another embodiment of the present invention, further, the present invention further includes an elastic blocking member 7 disposed in the installation cavity 1.7, wherein the elastic blocking member 7 blocks a movement stroke of the forward rotation movement of the rotating member 6.1, and when the cylinder sealing member 5 moves from the storage state to the sealing state, the elastic blocking member 7 drives the rotating member 6.1 to perform the reverse rotation movement in the installation cavity 1.7; the elastic blocking member 7 may be a blocking spring disposed on a side wall of the mounting cavity 1.7, or may be a torsion spring disposed on the ring member, so that when the ring member is driven to rotate to perform forward rotation, the elastic blocking member 7 is compressed or stretched to have an elastic force, and then after the positioning assembly 8 unlocks the ring member, under the action of the elastic blocking member 7, the ring member performs reverse rotation, so that the ring member 6.1.1 can rotate to return to an initial state, when the positioning pin 10 is mounted, the ring member 6.1.1 rotates to store the elastic force, and when the positioning pin 10 is dismounted, the elastic blocking member 7 releases the elastic force, so that the rotating member 6.1 performs reverse rotation, and in the reverse rotation, each cleaning member 6.2 rotates synchronously in the annular groove 3.3 to clean debris in the annular groove 3.3.
In still another embodiment of the present invention, the locking device further includes an unlocking member 9, which is disposed on the cylinder sealing member 5, and when the cylinder sealing member 5 moves from the storage state to the sealing state, the unlocking member 9 is driven along with the positioning assembly 8 so as to unlock the rotating member 6.1; the unlocking piece 9 comprises a fixed block 9.1 arranged at the top of the driving plate 5.3, a sliding groove 2.1 for the fixed block 9.1 to slide up and down is arranged on the side wall of the central positioning cavity 2, the sliding groove 2.1 is arranged along the axial direction of the central positioning cavity 2, a blocking block 8.6 is arranged on the sliding plate 8.2, the blocking block 8.6 is positioned in the sliding groove 2.1 and is positioned at the top of the sliding groove 2.1, in the initial state, the cylinder sealing piece 5 seals the central positioning cavity 2, at the moment, the cylinder sealing piece 5 is in a sealing state, the clamping balls clamp the arc-shaped positioning part 5.1 of the cylinder sealing piece 5 to fix the cylinder sealing piece 5, the fixed block 9.1 is positioned under the blocking block 8.6, the fixed block 9.1 supports the blocking block 8.6 to enable the spring piece 8.5 to be in a stretching state, at the moment, the lower end of the positioning column 8.1 stretches out from the positioning through hole 8.4 (the lower end of the positioning column 8.1 can be contacted with the upper surface of the annular piece, and can also be not contacted), when the positioning pin 10 is installed, the positioning pin 10 is propped against the cylinder sealing element 5 and drives the cylinder sealing element 5 to gradually move downwards along the central positioning cavity 2, the driving structure 5.2 drives the rotating part, the fixed block 9.1 moves downwards along with the cylinder sealing element 5, the blocking block 8.6, the sliding block and the positioning column 8.1 also move downwards under the action of the spring element 8.5, when the propping driving stroke of the driving plate 5.3 is finished, the forward rotation movement of the rotating element 6.1 in the installation cavity 1.7 is finished, the positioning column 8.1 is just correspondingly embedded into the positioning groove 6.6 to lock the rotating element 6.1, then the driving plate 5.3 continues to make a sliding stroke, the driving plate 5.3 also has other movement strokes (the driving plate 5.3 is separated from the rotating element 6.1) after the sliding stroke, when the positioning pin 10 is dismounted, the positioning pin 10 is taken out from the central positioning cavity 2, under the action of the supporting spring 5.6, the column sealing element 5 moves upwards, the upward movement stroke of the column sealing element 5 along the central positioning cavity 2 is just opposite to the downward movement stroke of the column sealing element, when the column sealing element 5 moves to drive the driving plate 5.3 to just move into the through groove 6.5, the driving plate 5.3 moves upwards along the through groove 6.5 until the fixed block 9.1 contacts with the blocking block 8.6, the fixed block 9.1 drives the blocking block 8.6 to move upwards, so that the sliding plate 8.2 and the positioning column 8.1 move upwards until the lower end of the positioning column 8.1 is separated from the positioning groove 6.6, locking of the annular element is released, and under the action of the elastic blocking element 7, the annular element performs reverse rotation movement, and at the moment, under the action of the elastic blocking element 7 and the supporting spring 5.6, the annular element, the column sealing element 5 and the positioning column 8.1 all move to the initial state.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides a remove bits device for zero point positioning system, includes the zero point locator, have in the zero point locator and be used for locating pin male central location chamber, be provided with ball clamping assembly in the central location chamber, its characterized in that, ball clamping assembly includes the brace table and the activity sets up press from both sides tight steel ball on the brace table, be provided with the drive in the zero point locator press from both sides tight steel ball along the annular moving part of brace table top inclined plane motion, the bottom in central location chamber is provided with the air-blowing type and removes bits subassembly, when pressing from both sides tight steel ball and be in non-centre gripping state, the air-blowing type removes bits subassembly can with central location chamber with the piece on the brace table blows off.
2. The chip removing apparatus for a zero point positioning system according to claim 1, wherein the air blowing type chip removing assembly comprises an air blowing assembly disposed at a bottom of the center positioning chamber, and the air blowing assembly comprises at least a plurality of air blowing holes disposed along an axial direction of the center positioning chamber.
3. The chip removing device for the zero point positioning system according to claim 1, wherein the supporting table is an annular table, an annular groove is formed in the annular table, a plurality of chip removing through holes are formed in the annular groove, and the chip removing through holes are sequentially arranged at intervals along the circumferential direction of the annular groove.
4. A chip removing apparatus for a zero point positioning system according to claim 3, wherein a lower end of the chip removing through hole communicates with the center positioning chamber.
5. The chip removing apparatus for a zero point positioning system according to claim 1, wherein an inner annular protrusion and an outer annular protrusion are provided on an inner side edge and an outer side edge of the support table, respectively, and a height of the inner annular protrusion is greater than a height of the outer annular protrusion.
6. A chip removing apparatus for a zero point positioning system according to claim 3, wherein an annular moving chamber is provided in the zero point positioner around the annular table, an annular moving member is provided in the annular moving chamber, the annular moving member includes an annular moving seat and an annular baffle plate provided on the annular moving seat, a clamping spring is provided at the bottom of the annular moving member, the annular moving member is driven by the driving member to move along the annular moving chamber, and has a first working position and a second working position, in the second working position, the annular baffle plate is stored in the annular moving chamber, and the clamping steel balls are partially rolled over the annular moving chamber so that each chip removing through hole is opened.
7. The chip removing apparatus for a zero point positioning system according to claim 1, further comprising a cylinder seal movably connected in the center positioning chamber, the cylinder seal being movable up and down in an axial direction of the center positioning chamber.
8. The chip removing apparatus for a zero point positioning system according to claim 7, wherein the column seal includes a sealing state and a storage state corresponding to an operation state of the clamping steel ball;
when the clamping steel balls are in the non-clamping state, the cylinder sealing piece is in the sealing state so as to seal the central positioning cavity;
when the clamping steel balls are in the clamping state, the cylinder sealing piece is pressed and moved into the central positioning cavity to be in the storage state.
9. The chip removing apparatus for a zero point positioning system according to claim 8, wherein the cylinder seal is internally hollow to form a ventilation passage through which gas passes, and a gas hole is provided on a side wall of the cylinder seal.
10. The chip removing apparatus for a zero point positioning system according to claim 1, further comprising an automatic chip removing assembly disposed directly above the support table, wherein the mounting stroke and the dismounting stroke of the positioning pin each correspond to driving the automatic chip removing assembly to operate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310038877.9A CN116037563B (en) | 2023-01-13 | 2023-01-13 | Chip removing device for zero point positioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310038877.9A CN116037563B (en) | 2023-01-13 | 2023-01-13 | Chip removing device for zero point positioning system |
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| CN116037563B CN116037563B (en) | 2023-06-06 |
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|---|---|
| CN116037563B (en) | 2023-06-06 |
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