CN115781561B - Cover plate clamp, system and method for automatically avoiding clearance of positioning pin - Google Patents
Cover plate clamp, system and method for automatically avoiding clearance of positioning pin Download PDFInfo
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- CN115781561B CN115781561B CN202310023200.8A CN202310023200A CN115781561B CN 115781561 B CN115781561 B CN 115781561B CN 202310023200 A CN202310023200 A CN 202310023200A CN 115781561 B CN115781561 B CN 115781561B
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Abstract
The invention provides a cover plate clamp, a system and a method for automatically avoiding a locating pin. This locating pin is apron anchor clamps of automatic clearance includes: the clamp supporting seat comprises a first mounting plate; the support cylinder is arranged on the first mounting plate; the cover plate clamp is arranged on the first mounting plate; the positioning pins comprise positioning pin bodies and positioning pin installation seats, and the positioning pin bodies are telescopically embedded on the first mounting plate through the positioning pin installation seats; a clearance driving part which is in driving connection with the positioning pin; wherein, the locating pin installation seat is provided with a locating pin installation space along the length direction; the locating pin body comprises a mounting end and a locating end, the mounting end is located in the locating pin mounting space, and the locating pin body is fixedly connected with the clearance driving part through the mounting end so as to drive the locating end to extend out of or retract into the locating pin mounting space. The invention solves the technical problem of locating pin interference hole site machining.
Description
Technical Field
The invention relates to the technical field of cover plate clamps, in particular to a cover plate clamp, a system and a method for automatically avoiding clearance of a positioning pin.
Background
When the cover plate clamp is used for fixing a workpiece to be machined, the locating pin body is in an extending state, at the moment, the installation end of the locating pin is located in the locating pin installation space of the locating pin installation seat, and the locating end of the locating pin extends out of the locating pin installation space of the locating pin installation seat so as to locate the workpiece to be machined.
However, in the actual construction process, there is a problem that: the locating pin arranged on the hole site to be processed can interfere with the processing of the hole site.
Disclosure of Invention
In order to solve the problem of locating pin interference hole site machining, the invention provides a cover plate clamp with an automatic locating pin clearance. The automatic cover plate clamp that keeps away of locating pin includes: the clamp supporting seat comprises a first mounting plate; the support cylinder is arranged on the first mounting plate and comprises a fixed support cylinder and a movable support cylinder; the cover plate clamp is arranged on the first mounting plate and matched with the supporting cylinder to fix a workpiece to be machined; the positioning pins comprise positioning pin bodies and positioning pin installation seats, and the positioning pin bodies are telescopically embedded on the first mounting plate through the positioning pin installation seats; the clearance driving part is telescopically arranged on the first mounting plate and is in driving connection with the positioning pin body; wherein, the locating pin installation seat is provided with a locating pin installation space along the length direction; the locating pin body comprises a mounting end and a locating end, the mounting end is located in the locating pin mounting space, and the locating pin body is fixedly connected with the clearance driving part through the mounting end so as to drive the locating end to extend out of or retract into the locating pin mounting space.
The technical effect achieved after the technical scheme is adopted is as follows: when the cover plate clamp capable of automatically avoiding the clearance of the locating pin is used for fixing a workpiece to be machined, the locating pin body is in an extending state, at the moment, the installation end of the locating pin is located in the locating pin installation space of the locating pin installation seat, and the locating end of the locating pin extends out of the locating pin installation space of the locating pin installation seat so as to locate the workpiece to be machined. When the workpiece to be processed is placed on the clamp supporting seat, the workpiece to be processed needs to be positioned from three directions of an x axis, a y axis and a z axis. Specifically, the cover plate clamp with the positioning pin automatically kept away realizes the positioning of a workpiece to be machined in the z-axis direction through the supporting cylinder; positioning of the workpiece to be machined in the directions of the x axis and the y axis is achieved through a plurality of positioning pins extending out of the positioning pin mounting seats. After the positioning is finished, the to-be-machined piece is fixedly clamped between the cover plate clamp and the supporting cylinder by using the cover plate clamp, the cover plate clamp is positioned on the upper end face of the to-be-machined piece, the supporting cylinder is the lower end face of the to-be-machined piece, and the positioning pin is positioned in the hole site of the to-be-machined piece. When the cutter extends into a hole site of a workpiece to be machined to finish the workpiece, the cutter can interfere with a locating pin clamped in the hole site. In this application, because the locating pin body inlays through locating pin mount pad telescopically and establishes on first mounting panel to set up and keep away empty drive portion and locating pin body drive connection, when carrying out finish machining to the hole site of waiting the machined part of fixing on the apron anchor clamps of locating pin automatic clearance, accessible keeps away empty drive portion drive locating pin body and withdraws from waiting the hole site of machined part, the locating pin installation space of seting up in the retracting locating pin mount pad keeps away the sky, thereby can avoid producing between locating pin and the processing cutter and interfere the processing operation of hole site.
In this technical scheme, the locating pin still includes: the limiting groove is formed in the outer wall of the locating pin body along the length direction of the mounting end; the limiting mounting groove is arranged on the positioning pin mounting seat and is communicated with the positioning pin mounting space; the limiting pin penetrates through the limiting mounting groove to be clamped in the limiting groove.
The technical effect achieved after the technical scheme is adopted is as follows: through setting up the spacer pin, on the outer wall of spacer pin body, set up the spacing groove along the length direction of installation end, set up the spacing mounting groove that is linked together with the spacer pin installation space on the spacer pin mount pad for the spacer pin can pass spacing mounting groove card and establish in the spacing inslot that the spacer pin body lateral wall was seted up, carries out spacingly to the concertina movement of spacer pin along the length direction of the installation end of spacer pin body, avoids the installation end of spacer pin body to deviate from the spacer pin installation space. In the telescopic process of the locating pin, the locating pin body can slide up and down within the length range of the limiting groove. In addition, the locating pin can limit the movement direction of the locating pin body, so that the locating pin body can only slide along the set direction of the locating groove, and the locating pin body is prevented from rotating in the locating pin installation space.
In this technical solution, the clearance driving section includes: the driving oil cylinder is embedded in the first mounting plate, and the output end of the driving oil cylinder extends out of the first mounting plate; the telescopic piece is connected with the output end of the driving oil cylinder, and the driving oil cylinder can drive the telescopic piece to move in a telescopic way towards or away from the first mounting plate; the transmission assembly is in transmission connection with the telescopic piece and the locating pin body, and the driving oil cylinder can drive the locating end to extend out of or retract into the locating pin installation space through the transmission assembly.
The technical effect achieved after the technical scheme is adopted is as follows: through setting the drive portion that keeps away the sky into drive cylinder, extensible member, drive assembly triplex, can provide the driving force for the concertina movement of locating pin body through the drive cylinder, transmit the driving force of drive cylinder output to drive assembly through the extensible member, rethread drive assembly drives the locating terminal of locating pin body and stretches out or retract locating pin space.
In this technical scheme, the drive assembly includes: a connecting plate; the first connecting hole is arranged in the middle of the connecting plate and is used for connecting the telescopic piece; the second connecting hole is arranged at the end part of the connecting plate and is used for connecting the locating pin body; the transmission rod is provided with a first end and a second end which are opposite, the first end is fixedly connected with the connecting plate through the second connecting hole, and the second end penetrates through the connecting plate to be fixedly connected with the positioning pin body; the two second connecting holes are arranged, and the first connecting hole is clamped between the second connecting holes; the telescopic piece drives the locating pin body to extend out of or retract into the locating pin mounting seat through the connecting plate and the transmission rod.
The technical effect achieved after the technical scheme is adopted is as follows: the middle part of the connecting plate is provided with a first connecting hole, and the end part of the connecting plate is provided with a second connecting hole, so that the connecting plate can be fixedly connected with a telescopic piece at the output end of the driving oil cylinder through the first connecting hole and can be fixedly connected with the first end of the transmission rod through the second connecting hole; when the driving oil cylinder drives the telescopic piece to do telescopic motion towards the direction close to or far away from the first mounting plate, the telescopic piece can drive the connecting plate to do telescopic motion towards the direction close to or far away from the first mounting plate, and then the locating pin body is driven to extend out of or retract into the locating pin mounting seat through the transmission rod fixedly connected with the connecting plate.
In the technical scheme, the first mounting plate comprises a first end face and a second end face which are oppositely arranged, the positioning pin mounting seat is arranged on the first end face, and the output end of the driving oil cylinder extends out of the second end face; the fixture support base further comprises: at least two support side plates connected to the second end face; the height of the supporting side plate is larger than the maximum value of the distance between the clearance driving part and the second end face.
The technical effect achieved after the technical scheme is adopted is as follows: because the locating pin mount pad is located the first terminal surface of first mounting panel, set up the output of actuating cylinder and stretch out the second terminal surface, can avoid placing waiting for the machined part of first terminal surface side and the output of actuating cylinder to appear interfering. Through setting up two at least support curb plates in first backup pad below, can play the effect of support to first mounting panel. The height of the supporting side plate is larger than the maximum value of the distance between the clearance driving part and the second end surface, so that enough telescopic movement space can be provided for the connecting plate.
In this technical scheme, the apron anchor clamps of locating pin automatic clearance still include: the second mounting plate is arranged on one side of the support side plate away from the first mounting plate and is connected with the support side plate; the sliding rail is arranged below the second mounting plate and is in sliding connection with the second mounting plate; the sliding part installation positions are arranged on the second installation plate; the plurality of sliding parts are fixedly arranged at the sliding part installation positions, and the clamp supporting seat can slide on the sliding track through the sliding parts.
The technical effect achieved after the technical scheme is adopted is as follows: the second mounting plate is arranged on one side, far away from the first mounting plate, of the supporting side plate, a plurality of sliding piece mounting positions are formed in the second mounting plate, a sliding rail is arranged below the second mounting plate, and a plurality of sliding pieces are fixedly arranged at the sliding piece mounting positions, so that the clamp supporting seat can slide on the sliding rail through the sliding pieces.
In this technical scheme, the slip track includes: a track body; the first sliding groove is arranged on the track body along a first direction; the second sliding groove is formed in the track body along a second direction; the first sliding groove comprises a first clamping groove and a second clamping groove, and the second clamping groove is positioned at one side of the first clamping groove away from the second mounting plate and is communicated with the first clamping groove; the width of the second clamping groove is larger than that of the first clamping groove so as to prevent the sliding piece from falling out of the first sliding groove; the second chute has the same structure as the first chute.
The technical effect achieved after the technical scheme is adopted is as follows: the first sliding groove is formed in the rail body along the first direction, and the second sliding groove is formed in the rail body along the second direction, so that the clamp supporting seat can slide in the first direction and the second direction through the first sliding groove and the second sliding groove; through setting the form of first draw-in groove and second draw-in groove with first spout to set up the width of second draw-in groove and be greater than the width of first draw-in groove, can avoid the slider to deviate from in the first spout. The structural arrangement of the second chute is the same and will not be described in detail here.
In this technical scheme, the apron anchor clamps of locating pin automatic clearance still include: the positioning pieces are arranged on the first mounting plate; the positioning groove is formed in the positioning piece, and the shape of the positioning groove corresponds to the outer contour of the workpiece to be machined.
The technical effect achieved after the technical scheme is adopted is as follows: it should be noted that, when the hole site of the workpiece is processed, since the locating pin body is already retracted from the hole site of the workpiece to be processed into the locating pin mounting seat, a plurality of locating pieces are required to be additionally arranged on the first mounting plate to realize the location of the workpiece to be processed in the x-axis and y-axis directions. The positioning groove with the corresponding shape is formed in the positioning piece according to the outer contour of the to-be-machined piece, so that the position of the to-be-machined piece on the periphery of the to-be-machined piece can be limited, and the phenomenon that the to-be-machined piece and the first mounting plate are relatively displaced on the x axis and the y axis due to the fact that the positioning pin is retracted is avoided, and the accuracy of hole site machining is affected. On the other hand, through setting up a plurality of setting elements on first mounting panel, treat the machined part and advance the location through a plurality of setting elements, reduce the alignment time between the hole site of treating the machined part and the locating pin, improve the fixed clamping efficiency of the apron anchor clamps of the automatic clearance of locating pin.
The technical scheme provides a cover plate clamp system with an automatic clearance positioning pin. The cover plate clamp system for automatically avoiding the clearance of the locating pin comprises: a motor rear cover is provided with a plurality of holes to be processed; the cover plate clamp with the automatic clearance of the positioning pin according to any one of the technical schemes; when the hole site to be machined needs to be finished, the motor rear cover is fixed by using the cover plate clamp with the locating pin capable of automatically avoiding the space.
The technical scheme provides a cover plate clamping method for automatically avoiding the clearance of a positioning pin. The cover plate clamping method for automatically keeping away the locating pin uses the cover plate clamp for automatically keeping away the locating pin according to any one of the technical schemes, and the cover plate clamping method for automatically keeping away the locating pin comprises the following steps: the motor rear cover is arranged on the clamp supporting seat, the motor rear cover is positioned through the supporting cylinder and the positioning pin, the positioning pin is in an extending state, and the positioning pin is clamped in a hole site to be processed of the motor rear cover; the motor rear cover is fixedly clamped on the clamp supporting seat through a cover plate clamp; and adjusting the positioning pin from the extending state to the retracting state through the clearance driving part so as to enable the positioning pin to withdraw from the hole site to be processed.
In summary, the foregoing embodiments of the present application may have one or more of the following advantages or benefits:
(1) In this application, because the locating pin body inlays through locating pin mount pad telescopically and establishes on first mounting panel to set up and keep away empty drive portion and locating pin body drive connection, when carrying out finish machining to the hole site of waiting the machined part of fixing on the apron anchor clamps of locating pin automatic clearance, accessible keeps away empty drive portion drive locating pin body and withdraws from waiting the hole site of machined part, the locating pin installation space of seting up in the retracting locating pin mount pad keeps away the sky, thereby can avoid producing between locating pin and the processing cutter and interfere the processing operation of hole site.
(2) Through setting up the spacer pin, on the outer wall of spacer pin body, set up the spacing groove along the length direction of installation end, set up the spacing mounting groove that is linked together with the spacer pin installation space on the spacer pin mount pad for the spacer pin can pass spacing mounting groove card and establish in the spacing inslot that the spacer pin body lateral wall was seted up, carries out spacingly to the concertina movement of spacer pin along the length direction of the installation end of spacer pin body, avoids the installation end of spacer pin body to deviate from the spacer pin installation space. In the telescopic process of the locating pin, the locating pin body can slide up and down within the length range of the limiting groove. In addition, the locating pin can limit the movement direction of the locating pin body, so that the locating pin body can only slide along the set direction of the locating groove, and the locating pin body is prevented from rotating in the locating pin installation space.
(3) The positioning groove with the corresponding shape is formed in the positioning piece according to the outer contour of the to-be-machined piece, so that the position of the to-be-machined piece on the periphery of the to-be-machined piece can be limited, and the phenomenon that the to-be-machined piece and the first mounting plate are relatively displaced on the x axis and the y axis due to the fact that the positioning pin is retracted is avoided, and the accuracy of hole site machining is affected. On the other hand, through setting up a plurality of setting elements on first mounting panel, treat the machined part and advance the location through a plurality of setting elements, reduce the alignment time between the hole site of treating the machined part and the locating pin, improve the fixed clamping efficiency of the apron anchor clamps of the automatic clearance of locating pin.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art;
fig. 1 is a schematic structural diagram of a cover plate fixture with an automatic clearance for a positioning pin according to an embodiment of the present invention;
FIG. 2 is a top view of the cover plate fixture of FIG. 1 with the locating pins automatically cleared;
FIG. 3 is a schematic diagram of the connection of the locating pin and the clearance drive;
FIG. 4 is a schematic illustration of a specific connection between a locating pin and a clearance drive;
FIG. 5 is an enlarged view of FIG. 4 at A;
FIG. 6 is a schematic structural view of another cover plate fixture with automatic clearance for a positioning pin according to an embodiment of the present invention;
FIG. 7 is an enlarged view at B in FIG. 6;
FIG. 8 is a schematic diagram of the connection of a cover plate clamp with a motor rear cover with a locating pin automatically clear;
FIG. 9 is a schematic view of the structure of the motor rear cover;
description of main reference numerals:
100. cover plate clamp for automatically keeping the locating pin clear; 10. a clamp support seat; 11. a first mounting plate; 111. a first end face; 112. a second end face; 12. supporting the side plates; 13. a second mounting plate; 14. a sliding rail; 141. a track body; 142. a first chute; 143. a second chute; 144. a first clamping groove; 145. a second clamping groove; 15. a slider mounting location; 20. a support cylinder; 21. fixing a supporting cylinder; 22. a movable support cylinder; 23. a positioning piece; 24. a positioning groove; 30. a cover plate clamp; 40. a positioning pin; 41. a positioning pin body; 411. a mounting end; 412. a positioning end; 42. a locating pin mounting seat; 421. a locating pin installation space; 43. a limit groove; 44. a limit mounting groove; 45. a limiting pin; 50. a clearance driving part; 51. a driving oil cylinder; 52. a telescoping member; 53. a transmission assembly; 531. a connecting plate; 532. a first connection hole; 533. a second connection hole; 534. a transmission rod; 535. a first end; 536. a second end; 200. a motor rear cover; 210. and (5) processing the hole site.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
[ first embodiment ]
Referring to fig. 1, a first embodiment of the present invention provides a cover clamp 100 with an automatic clearance for a positioning pin. Referring to fig. 1 to 9, the cover clamp 100 with the automatic clearance of the positioning pin includes, for example: the jig comprises a jig support base 10, a support cylinder 20, a cover plate jig 30, a plurality of positioning pins 40 and a clearance driving part 50. Wherein the jig support base 10 includes a first mounting plate 11; the support cylinder 20 is arranged on the first mounting plate 11; the support cylinder 20 includes a fixed support cylinder 21 and a movable support cylinder 22; the cover plate clamp 30 is arranged on the first mounting plate 11, and the cover plate clamp 30 is matched with the supporting cylinder 20 to fix a workpiece to be machined; the positioning pin 40 comprises a positioning pin body 41 and a positioning pin mounting seat 42, and the positioning pin body 41 is telescopically embedded on the first mounting plate 11 through the positioning pin mounting seat 42; the clearance driving section 50 is provided on the first mounting plate 11 so as to be extendable and retractable, and drives the connection positioning pin 40. Specifically, the positioning pin mounting seat 42 is provided with a positioning pin mounting space 421 along a length direction thereof; the positioning pin body 41 comprises a mounting end 411 and a positioning end 412, the mounting end 411 is located in the positioning pin mounting space 421, and the positioning pin body 41 is fixedly connected with the clearance driving portion 50 through the mounting end 411 so as to drive the positioning end 412 to extend or retract into the positioning pin mounting space 421.
It should be noted that, when the cover clamp 100 with the automatic clearance of the locating pin is used to fix the workpiece to be processed, the locating pin body 41 is in an extended state, at this time, the mounting end 411 of the locating pin 40 is located in the locating pin mounting space 421 of the locating pin mounting seat 42, and the locating end 412 of the locating pin 40 extends out of the locating pin mounting space 421 of the locating pin mounting seat 42 to locate the workpiece to be processed. When the workpiece to be machined is placed on the jig support base 10, the workpiece to be machined needs to be positioned in three directions of an x axis, a y axis and a z axis. Specifically, the height of the fixed support cylinder 21 is fixed; the height of the movable support cylinder 22 is adjustable. The cover plate clamp 100 with the automatic clearance of the positioning pin realizes the positioning of a workpiece to be processed in the z-axis direction through the fixed supporting cylinder 21; positioning of the workpiece to be machined in the x-axis and y-axis directions is achieved by a plurality of positioning pins 40 extending out of the positioning pin mounting seats 42. After the positioning is completed, the to-be-machined piece is fixedly clamped between the cover plate clamp 30 and the supporting cylinder 20 by using the cover plate clamp 30, the cover plate clamp 30 is positioned on the upper end face of the to-be-machined piece, the supporting cylinder 20 is the lower end face of the to-be-machined piece, and the positioning pin 40 is positioned in the hole site of the to-be-machined piece. When the tool is inserted into the hole site of the workpiece to be machined to finish it, it interferes with the positioning pin 40 which is stuck in the hole site.
In one embodiment, the first mounting plate 11 is provided with three fixed support cylinders 21 and four cover plate clamps 30; wherein each fixed support cylinder 21 corresponds to one cover plate clamp 30; leaving a cover clamp 30 engaged with the movable support cylinder 22. It should be noted that a plane is not defined at three points in a straight line. By providing three fixed support cylinders 21, it is possible to ensure that the workpiece to be machined is kept in a horizontal state when placed on the first mounting plate 11.
In this application, because locating pin body 41 is telescopically inlayed on first mounting panel 11 through locating pin mount pad 42 to set up and keep away empty drive portion 50 and locating pin body 41 drive connection, when carrying out finish machining to the hole site of waiting the machined part of fixing on the apron anchor clamps 100 of locating pin automatic clearance, accessible keeps away empty drive portion 50 drive locating pin body 41 and withdraws from waiting the hole site of machined part, and locating pin installation space 421 that sets up in the retracting locating pin mount pad 42 keeps away the sky, thereby can avoid producing the interference between locating pin body 41 and the processing cutter, hinder the processing operation of hole site.
Further, the positioning pin 40 further includes: a limit groove 43, a limit mounting groove 44, and a limit pin 45. Wherein, the limit groove 43 is arranged on the outer wall of the locating pin body 41 along the length direction of the mounting end 411; the limiting mounting groove 44 is arranged on the positioning pin mounting seat 42 and is communicated with the positioning pin mounting space 421; the limiting pin 45 passes through the limiting mounting groove 44 and is clamped in the limiting groove 43.
It can be understood that, by arranging the limiting pin 45, forming the limiting groove 43 along the length direction of the mounting end 411 on the outer wall of the positioning pin body 41, forming the limiting mounting groove 44 communicated with the positioning pin mounting space 421 on the positioning pin mounting seat 42, the limiting pin 45 can be clamped in the limiting groove 43 formed on the side wall of the positioning pin body 41 through the limiting mounting groove 44, limiting the telescopic movement of the positioning pin 40 along the length direction of the mounting end 411 of the positioning pin body 41, and avoiding the mounting end 411 of the positioning pin body 41 from falling out of the positioning pin mounting space 421. During the expansion and contraction of the positioning pin 40, the positioning pin body 41 can slide up and down within the length range of the limiting groove 43. In addition, the limiting pin 45 can limit the movement direction of the positioning pin body 41, so that the positioning pin body 41 can only slide along the opening direction of the limiting groove 43, and the positioning pin body 41 is prevented from rotating in the positioning pin installation space 421.
Further, the clearance driving section 50 includes: a drive cylinder 51, a telescopic member 52, and a transmission assembly 53. The driving oil cylinder 51 is embedded in the first mounting plate 11, and the output end of the driving oil cylinder 51 extends out of the first mounting plate 11; the telescopic piece 52 is connected with the output end of the driving oil cylinder 51, and the driving oil cylinder 51 can drive the telescopic piece 52 to move in a telescopic way towards or away from the first mounting plate 11; the transmission component 53 is in transmission connection with the telescopic piece 52 and the positioning pin body 41, and the driving oil cylinder 51 can drive the positioning end 412 to extend or retract into the positioning pin installation space 421 through the transmission component 53.
It can be understood that by arranging the clearance driving part 50 into three parts of the driving oil cylinder 51, the telescopic piece 52 and the transmission component 53, driving force can be provided for telescopic movement of the positioning pin 40 through the driving oil cylinder 51, driving force output by the driving oil cylinder 51 is transmitted to the transmission component 53 through the telescopic piece 52, and the positioning end 412 of the positioning pin body 41 is driven to extend or retract into the space of the positioning pin 40 through the transmission component 53.
Further, the transmission assembly 53 includes: the connection plate 531, the first connection hole 532, the second connection hole 533, and the transmission rod 534. Wherein, the first connecting hole 532 is arranged in the middle of the connecting plate 531 and is used for connecting the telescopic piece 52; the second connecting hole 533 is arranged at the end part of the connecting plate 531 and is used for connecting the positioning pin body 41; the transmission rod 534 is provided with a first end 535 and a second end 536 which are opposite, the first end 535 is fixedly connected with the connecting plate 531 through a second connecting hole 533, and the second end 536 passes through the connecting plate 531 to be fixedly connected with the positioning pin body 41. Specifically, the number of the second connection holes 533 is two, and the first connection hole 532 is sandwiched between the two second connection holes 533; the telescopic piece 52 drives the positioning pin body 41 to extend or retract into the positioning pin mounting seat 42 through the connecting plate 531 and the transmission rod 534.
It can be understood that, by forming the first connection hole 532 in the middle of the connection plate 531 and laying the second connection hole 533 at the end of the connection plate 531, the connection plate 531 can be fixedly connected with the telescopic member 52 at the output end of the driving cylinder 51 through the first connection hole 532, and can be fixedly connected with the first end 535 of the transmission rod 534 through the second connection hole 533; when the driving cylinder 51 drives the telescopic member 52 to perform telescopic movement in a direction approaching or separating from the first mounting plate 11, the telescopic member 52 can drive the connecting plate 531 to perform telescopic movement in a direction approaching or separating from the first mounting plate 11, and then the positioning pin body 41 is driven to extend or retract into the positioning pin mounting seat 42 through the transmission rod 534 fixedly connected with the connecting plate 531.
Further, the first mounting plate 11 includes a first end face 111 and a second end face 112 that are oppositely disposed, the positioning pin mounting seat 42 is disposed on the first end face 111, and an output end of the driving oil cylinder 51 extends out of the second end face 112; the jig support base 10 further includes: at least two support side plates 12 connected to the second end face 112; wherein, the height of the supporting side plate 12 is larger than the maximum value of the distance between the clearance driving part 50 and the second end surface 112.
It can be appreciated that, since the positioning pin mounting seat 42 is provided on the first end face 111 of the first mounting plate 11, and the output end of the driving cylinder 51 extends out of the second end face 112, the first mounting plate 11 can be supported by providing at least two support side plates 12 below the first support plate. By setting the height of the support side plate 12 to be larger than the maximum value of the distance between the clearance drive section 50 and the second end face 112, a sufficient telescopic movement space can be given to the connection plate 531.
Further, the cover plate fixture 100 with the automatically-clearance positioning pins further includes: a second mounting plate 13, a slide rail 14, a plurality of slide mounting locations 15, and a plurality of slides. The second mounting plate 13 is arranged on one side of the support side plate 12 away from the first mounting plate 11 and is connected with the support side plate 12; the sliding rail 14 is arranged below the second mounting plate 13 and is in sliding connection with the second mounting plate 13; a plurality of slider mounting locations 15 are formed on the second mounting plate 13; the plurality of sliding parts are fixedly arranged at the sliding part installation positions 15, and the clamp supporting seat 10 can slide on the sliding rail 14 through the sliding parts.
It can be understood that the clamp support base 10 can slide on the sliding rail 14 through the sliding member by arranging the second mounting plate 13 on the side of the support side plate 12 away from the first mounting plate 11, arranging the sliding rail 14 below the second mounting plate 13 and fixedly arranging the sliding member at the sliding member mounting position 15, and arranging the plurality of sliding member mounting positions 15 on the second mounting plate 13.
Further, the slide rail 14 includes: a rail body 141; the first chute 142 is disposed on the track body 141 along the first direction; the second sliding groove 143 is formed in the track body 141 along the second direction; the first sliding groove 142 includes a first clamping groove 144 and a second clamping groove 145, and the second clamping groove 145 is located at one side of the first clamping groove 144 away from the second mounting plate 13 and is communicated with the first clamping groove 144; the width of the second clamping groove 145 is larger than that of the first clamping groove 144 so as to prevent the sliding piece from falling out of the first sliding groove 142; the second chute 143 has the same structure as the first chute 142.
It can be understood that by forming the first sliding groove 142 on the rail body 141 along the first direction and forming the second sliding groove 143 along the second direction, the clamp support 10 slides in the first direction and the second direction through the first sliding groove 142 and the second sliding groove 143; by providing the first slide groove 142 in the form of the first and second catching grooves 144 and 145 and providing the second catching groove 145 with a width greater than that of the first catching groove 144, the slide member can be prevented from coming out of the first slide groove 142. The second chute 143 is configured in the same manner and will not be described again here.
Further, the cover plate fixture 100 with the automatically-clearance positioning pins further includes: a plurality of positioning pieces 23 provided on the first mounting plate 11; the positioning groove 24 is formed in the positioning piece 23, and the shape of the positioning groove 24 corresponds to the outer contour of the workpiece to be machined.
In machining the hole site of the workpiece, since the dowel body 41 is already retracted into the dowel mounting seat 42 from the hole site of the workpiece, a plurality of positioning members 23 need to be added to the first mounting plate 11. By providing the positioning piece 23 with the positioning groove 24 with a corresponding shape according to the outer contour of the workpiece, the position of the workpiece to be machined can be limited from the periphery of the workpiece to be machined, and the relative displacement of the workpiece to be machined and the first mounting plate 11 on the x axis and the y axis caused by the retraction of the positioning pin 40 is avoided, so that the accuracy of hole site machining is prevented from being affected. On the other hand, by providing the plurality of positioning members 23 on the first mounting plate 11, the workpiece to be processed is pre-positioned by the plurality of positioning members 23, so that the alignment time between the hole site of the workpiece to be processed and the positioning pin 40 is reduced, and the fixing and clamping efficiency of the cover plate clamp 100 with the positioning pin automatically kept free is improved.
[ second embodiment ]
A second embodiment of the present invention provides a cover clamp 100 system with automatic clearance for the locating pins. The cover plate clamp system for automatically avoiding the clearance of the locating pin comprises: a motor rear cover 200 provided with a plurality of holes 210 to be processed; the cover plate fixture 100 with the positioning pins automatically kept free as described in the first embodiment; when the hole site 210 to be machined needs to be finished, the motor rear cover 200 is fixed by using the cover plate fixture 100 with the positioning pins automatically kept away.
[ third embodiment ]
The third embodiment of the invention provides a cover plate clamping method for automatically avoiding the clearance of a positioning pin. The locating pin automatic clearance cover plate clamping method uses the locating pin automatic clearance cover plate clamp 100 according to the first embodiment, and the locating pin automatic clearance cover plate clamping method comprises the following steps: the motor rear cover 200 is arranged on the clamp supporting seat 10, the motor rear cover 200 is positioned through the supporting cylinder 20 and the positioning pin 40, the positioning pin 40 is in an extending state at the moment, and the positioning pin 40 is clamped in a hole site 210 to be processed of the motor rear cover 200; the motor rear cover 200 is fixedly clamped on the clamp supporting seat 10 through the cover plate clamp 30; the positioning pin body 41 is adjusted from the extended state to the retracted state by the clearance driving section 50 so that the positioning pin body 41 is withdrawn from the hole site 210 to be processed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a locating pin keeps away apron anchor clamps of sky automatically which characterized in that, locating pin keeps away apron anchor clamps (100) of sky automatically include:
a clamp support (10) comprising a first mounting plate (11);
the support cylinder (20) is arranged on the first mounting plate (11), and the support cylinder (20) comprises a fixed support cylinder (21) and a movable support cylinder (22);
the cover plate clamp (30) is arranged on the first mounting plate (11), and the cover plate clamp (30) is matched with the supporting cylinder (20) to fix a workpiece to be machined;
the positioning pins (40) comprise positioning pin bodies (41) and positioning pin installation seats (42), and the positioning pin bodies (41) are telescopically embedded on the first mounting plate (11) through the positioning pin installation seats (42);
an empty driving part (50) which is retractably arranged on the first mounting plate (11) and is in driving connection with the positioning pin body (41);
wherein, the locating pin mounting seat (42) is provided with a locating pin mounting space (421) along the length direction; the locating pin body (41) comprises a mounting end (411) and a locating end (412), the mounting end (411) is located in the locating pin mounting space (421), and the locating pin body (41) is fixedly connected with the clearance driving part (50) through the mounting end (411) so as to drive the locating end (412) to extend or retract into the locating pin mounting space (421);
the locating pin (40) further comprises:
the limiting groove (43) is formed in the outer wall of the locating pin body (41) along the length direction of the mounting end (411);
the limiting mounting groove (44) is arranged on the positioning pin mounting seat (42) and is communicated with the positioning pin mounting space (421);
and the limiting pin (45) penetrates through the limiting mounting groove (44) and is clamped in the limiting groove (43).
2. The cover clamp for automatic clearance of a dowel pin according to claim 1, wherein the clearance drive section (50) includes:
the driving oil cylinder (51) is embedded in the first mounting plate (11), and the output end of the driving oil cylinder (51) extends out of the first mounting plate (11);
the telescopic piece (52) is connected with the output end of the driving oil cylinder (51), and the driving oil cylinder (51) can drive the telescopic piece (52) to move in a telescopic way towards or away from the first mounting plate (11);
the transmission assembly (53) is in transmission connection with the telescopic piece (52) and the locating pin body (41), and the driving oil cylinder (51) can drive the locating end (412) to extend or retract from the locating pin installation space (421) through the transmission assembly (53).
3. The dowel automatic clearance cover plate fixture of claim 2, wherein the drive assembly (53) comprises:
a connection plate (531);
the first connecting hole (532) is arranged in the middle of the connecting plate (531) and is used for connecting the telescopic piece (52);
a second connecting hole (533) arranged at the end of the connecting plate (531) and used for connecting the locating pin body (41);
the transmission rod (534) is provided with a first end (535) and a second end (536) which are opposite, the first end (535) is fixedly connected with the connecting plate (531) through the second connecting hole (533), and the second end (536) penetrates through the connecting plate (531) to be fixedly connected with the positioning pin body (41);
wherein the number of the second connecting holes (533) is two, and the first connecting holes (532) are clamped between the second connecting holes (533); the telescopic piece (52) drives the locating pin body (41) to extend or retract from the locating pin mounting seat (42) through the connecting plate (531) and the transmission rod (534).
4. The cover plate clamp for automatically avoiding the clearance of the locating pin according to claim 2, wherein the first mounting plate (11) comprises a first end face (111) and a second end face (112) which are oppositely arranged, the locating pin mounting seat (42) is arranged on the first end face (111), and the output end of the driving oil cylinder (51) extends out of the second end face (112); the clamp support (10) further comprises:
at least two support side plates (12) connected to the second end face (112);
wherein the height of the supporting side plate (12) is larger than the maximum value of the distance between the clearance driving part (50) and the second end surface (112).
5. The dowel pin self-void cover plate fixture of claim 4, wherein the dowel pin self-void cover plate fixture (100) further comprises:
the second mounting plate (13) is arranged on one side of the supporting side plate (12) away from the first mounting plate (11) and is connected with the supporting side plate (12);
the sliding rail (14) is arranged below the second mounting plate (13) and is connected with the second mounting plate (13) in a sliding manner;
a plurality of slider mounting locations (15) provided on the second mounting plate (13);
the plurality of sliding parts are fixedly arranged at the sliding part installation positions (15), and the clamp supporting seat (10) can slide on the sliding rail (14) through the sliding parts.
6. The dowel automatic clearance cover plate fixture of claim 5, wherein the slide rail (14) comprises:
a rail body (141);
a first chute (142) which is provided in the rail body (141) along a first direction;
the second sliding groove (143) is formed in the track body (141) along a second direction;
the first sliding chute (142) comprises a first clamping groove (144) and a second clamping groove (145), and the second clamping groove (145) is positioned at one side of the first clamping groove (144) away from the second mounting plate (13) and is communicated with the first clamping groove (144); the width of the second clamping groove (145) is larger than that of the first clamping groove (144) so as to prevent the sliding piece from falling out of the first sliding groove (142); the second sliding groove (143) has the same structure as the first sliding groove (142).
7. The dowel automatic void-keeping cover plate fixture of claim 1, wherein the dowel automatic void-keeping cover plate fixture (100) further comprises:
a plurality of positioning pieces (23) provided on the first mounting plate (11);
and the positioning groove (24) is formed in the positioning piece (23), and the shape of the positioning groove (24) corresponds to the outer contour of the workpiece to be machined.
8. A dowel pin self-void closure clip system, the dowel pin self-void closure clip (100) system comprising:
a motor rear cover (200) provided with a plurality of holes (210) to be processed;
the dowel pin auto-clearance cover clamp (100) of any one of claims 1-7;
when the hole site (210) to be machined needs to be finished, the motor rear cover (200) is fixed by using the cover plate clamp (100) with the positioning pins capable of automatically avoiding the clearance.
9. A locating pin automatic void-keeping cover plate clamping method, characterized in that the locating pin automatic void-keeping cover plate clamping method uses the locating pin automatic void-keeping cover plate clamp (100) according to any one of claims 1-7, the locating pin automatic void-keeping cover plate clamping method comprises:
the motor rear cover (200) is arranged on the clamp supporting seat (10), the motor rear cover (200) is positioned through the supporting cylinder (20) and the positioning pin (40), the positioning pin (40) is in an extending state at the moment, and the positioning pin body (41) is clamped in a hole site (210) to be processed of the motor rear cover (200);
the motor rear cover (200) is fixedly clamped on the clamp supporting seat (10) through a cover plate clamp (30);
the positioning pin body (41) is adjusted from the extending state to the retracting state through the clearance driving part (50), so that the positioning pin body (41) is retreated from the hole site (210) to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310023200.8A CN115781561B (en) | 2023-01-09 | 2023-01-09 | Cover plate clamp, system and method for automatically avoiding clearance of positioning pin |
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| CN202310023200.8A CN115781561B (en) | 2023-01-09 | 2023-01-09 | Cover plate clamp, system and method for automatically avoiding clearance of positioning pin |
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| CN115781561B true CN115781561B (en) | 2023-05-26 |
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| CN101885149A (en) * | 2009-05-13 | 2010-11-17 | 上海胜僖汽车配件有限公司 | Floating pin positioning device for use in product processing |
| CN103192286A (en) * | 2013-04-16 | 2013-07-10 | 苏州莱特复合材料有限公司 | Special machining fixture |
| CN103707083B (en) * | 2013-12-18 | 2016-05-11 | 无锡倍安杰机械科技有限公司 | Resilient key telescoping mechanism |
| CN203853835U (en) * | 2014-05-06 | 2014-10-01 | 潍柴动力股份有限公司 | Clamp for machining of positioning pin hole of cylinder cover of engine |
| CN209036057U (en) * | 2018-11-02 | 2019-06-28 | 苏州升泽润机电有限公司 | A kind of machine oil shell V-type fixture |
| CN213318910U (en) * | 2020-08-24 | 2021-06-01 | 襄阳美利信科技有限责任公司 | Telescopic floating positioning fixture for communication device cover plate |
| CN214420321U (en) * | 2021-02-25 | 2021-10-19 | 新石器慧义知行智驰(北京)科技有限公司 | Telescopic positioning pin and unmanned vehicle |
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| US3789500A (en) * | 1971-07-28 | 1974-02-05 | Ex Cell O Corp | Machine tool with automatic tool changing means |
| CN217345409U (en) * | 2022-05-23 | 2022-09-02 | 嘉兴科天智控科技有限公司 | Multi-degree-of-freedom translational lifting rotating assembly platform |
| CN217890256U (en) * | 2022-07-29 | 2022-11-25 | 哈工大机器人(中山)无人装备与人工智能研究院 | Flexible workpiece clamp and deburring equipment |
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| CN115781561A (en) | 2023-03-14 |
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