CN111890071A - Automatic material rod positioning and clamping mechanism for machining of numerical control lathe - Google Patents

Automatic material rod positioning and clamping mechanism for machining of numerical control lathe Download PDF

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Publication number
CN111890071A
CN111890071A CN202010766026.2A CN202010766026A CN111890071A CN 111890071 A CN111890071 A CN 111890071A CN 202010766026 A CN202010766026 A CN 202010766026A CN 111890071 A CN111890071 A CN 111890071A
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CN
China
Prior art keywords
clamping
switch
positioning
bar
spring
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010766026.2A
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Chinese (zh)
Inventor
黄海涛
Original Assignee
黄海涛
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 黄海涛 filed Critical 黄海涛
Priority to CN202010766026.2A priority Critical patent/CN111890071A/en
Publication of CN111890071A publication Critical patent/CN111890071A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/002Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
    • B23Q17/003Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders by measuring a position

Abstract

The invention relates to the technical field of bar processing, and discloses an automatic positioning and clamping mechanism for a material bar for processing of a numerical control lathe, which comprises a support frame main body, wherein a clamping piece is arranged on the support frame main body, a first contact block, a first spring, a first detection block and a first switch are arranged in the clamping piece, a fixed iron plate is arranged outside the clamping piece, a guide cylinder is fixedly arranged on the fixed iron plate, a telescopic column is arranged in the guide cylinder, a threaded sleeve is arranged above the telescopic column, and a bolt is in threaded connection with the threaded sleeve. The bolt is rotated to enable the threaded sleeve to move downwards, the telescopic column fixedly connected below the threaded sleeve moves downwards, the first detection block can drive the movable baffle to move upwards after being contacted with the surface of the bar, the first switch is opened after being contacted to enable the indicator lamp to be lightened, whether the bar is clamped or not can be accurately judged through the feedback of the indicator lamp, the damage of the bar caused by continuously applying the clamping force after the bar is clamped is avoided, and therefore the reasonable utilization of the clamping force is achieved, and the bar is protected from being damaged by overlarge force.

Description

Automatic material rod positioning and clamping mechanism for machining of numerical control lathe
Technical Field
The invention relates to the technical field of bar processing, in particular to an automatic positioning and clamping mechanism for a bar for processing of a numerical control lathe.
Background
The bar needs to be clamped and positioned when the numerical control lathe processes the bar, but the existing clamping device is generally not provided with a feedback system, so that the defect that an operator cannot determine whether to clamp the bar or not and continuously apply force after clamping so that the bar is stressed too much and damaged exists.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the automatic positioning and clamping mechanism for the material bar for the processing of the numerical control lathe, which has the advantages of automatically feeding back a clamping signal after clamping, protecting the bar from being damaged by extrusion force and automatically positioning after clamping, and solves the problem that an operator cannot determine whether to clamp the bar and continues to apply force after clamping to cause the bar to be damaged due to overlarge stress.
(II) technical scheme
In order to realize the purposes of automatically feeding back a clamping signal after clamping, protecting a bar from being damaged by extrusion force and automatically positioning after clamping, the invention provides the following technical scheme:
the utility model provides a material stick automatic positioning clamping mechanism for numerical control lathe processing, includes the support frame main part, be provided with the tight piece of clamp in the support frame main part, the inside of pressing from both sides tight piece includes first touch piece, adjustable fender, first spring, first detection piece, first switch, the outside of pressing from both sides tight piece is provided with fixed iron plate, fixed iron plate's higher authority fixed mounting has the guide cylinder, the inside of guide cylinder is provided with flexible post, the top of flexible post is provided with the thread bush, thread bush threaded connection has the bolt, the left lower part of support frame main part is provided with the motor, it rotates on the motor and is connected with the runner to rotate, the below of runner is provided with the sliding plate, fixedly connected with dead lever on the sliding plate, fixedly connected with positioner main part on the dead lever, positioner main part includes blotter, second switch, the switch, The positioning device comprises a second touch block, a second spring and a second detection block, wherein a measuring device is fixedly connected to the upper surface of the positioning device main body.
Preferably, the upper end and the first touching piece fixed connection of first spring, the lower extreme and the adjustable fender fixed connection of first spring, the last fixedly connected with reset spring of adjustable fender, first spring play the effect of the first switch of buffering protection.
Preferably, the clamping pieces are arranged in a vertically and horizontally symmetrical mode by taking the bar as a center, and the four clamping pieces are arranged and respectively clamped from the upper side, the lower side, the left side and the right side of the bar, so that the bar is fixed more firmly.
Preferably, the upper first switch, the second switch and the motor are linearly connected, the left switch, the right switch and the lower first switch are electrically connected with indicator lights, the upper second switch controls the switch of the motor, and the steering direction of the motor changes other three first switches to control the display lights due to the current direction.
Preferably, the support frame main body is respectively provided with a sliding groove matched with the sliding plate and the measuring device, the measuring device comprises a scale pointer, a dial gauge is arranged below the scale pointer and outside the sliding groove, and the specific position of the bar can be determined through the dial gauge.
Preferably, the second switch and the second touch block are both located inside the second spring, the left end of the second spring is fixedly connected with the inside of the positioning device main body, and the right end of the second spring is fixedly connected with the second detection block.
Preferably, the right part of the positioning device main body is provided with an opening matched with the second detection block, and the second detection block can enter the opening after moving to the left.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic positioning and clamping mechanism for a material rod for machining of a numerical control lathe, which has the following beneficial effects:
1. the automatic material rod positioning and clamping mechanism for machining the numerical control lathe feeds a material rod into the middle of a clamping piece, then a bolt is rotated, the bolt cannot move downwards due to limitation, the bolt can drive a threaded sleeve to move downwards under the action of threads when rotating, a telescopic column fixedly connected below the threaded sleeve moves downwards along with the threaded sleeve, the clamping piece below the telescopic column slowly moves downwards to the surface of the material rod, when a first detection block is contacted with the surface of the material rod, the bolt is continuously rotated, the first detection block is extruded to drive a movable baffle to move upwards, the movable baffle drives a first touch block to move upwards, the first touch block moves upwards to touch a first switch, when the first switch is opened, the motor starts to work, the bolt stops rotating when the motor starts to work, the first detection block enters the inside of the clamping piece, at the moment, the uppermost end of the clamping piece is contacted with the material rod, other parts of the clamping piece are closely contacted with the material rod and extruded on the surface of the, owing to be provided with four and press from both sides tight piece, rotate earlier below and the left side when pressing from both sides tightly, the bolt on the right, rotate above-mentioned bolt at last when making the pilot lamp all light, the first switch of touching makes motor work when the bolt of higher authority rotates, the bolt above the motor during operation then the stall, four faces are whole tight this moment, it is tight to press from both sides through the manual control of four faces, make the feedback through the pilot lamp in the clamping process can be accurate judge whether press from both sides tightly, continue to apply the damage that the clamp force led to the fact the bar after avoiding pressing from both sides tightly, thereby the rational utilization clamp force has been reached, the effect that the protection bar is not damaged.
2. In the automatic positioning and clamping mechanism for the material rod for processing the numerical control lathe, after four surfaces are clamped, a motor automatically starts to work and drives a rotating wheel to rotate anticlockwise, the rotating wheel can drive a sliding plate to move rightwards when rotating anticlockwise, a positioning device body fixedly connected with the sliding plate moves rightwards along with the sliding plate and contacts with the left end of the material rod, a second detection block is firstly contacted with the material rod, the second detection block is subjected to leftward extrusion force after being contacted, so that the second detection block drives a second contact block to move leftwards and extrudes a second spring, the second contact block moves leftwards and contacts a second switch to open the second switch, lines a and b are disconnected when the first switch and the second switch are both opened, the motor stops rotating when the second switch is opened, the specific position of the positioning device body can be known by observing scales on a measuring device, the positioning device body abuts against the left end of the material rod, so that the positioning of the material rod is completed, thereby achieving the effects of automatically positioning and determining the accurate position of the bar after clamping.
3. The automatic material bar positioning and clamping mechanism for machining the numerical control lathe is characterized in that after machining is finished, a bolt is rotated to enable a threaded sleeve to drive a clamping piece to move upwards, a movable baffle plate moves downwards under the action of a return spring along with the upward movement of the clamping piece and drives a first detection block and a first touch block to move downwards, after the first touch block leaves a first switch, the first switch is closed, a circuit b is connected with current change in a motor at the moment, the motor rotates reversely to drive a rotating wheel to rotate clockwise, the rotating wheel rotates clockwise to drive a microphone plate to move left, so that a positioning device body leaves the left end of a bar, a second switch is closed again after the positioning device body leaves the left end of the bar, a circuit in the device is shown in figure 6, after machining is finished, the device returns to an initial use state after the clamping structure is loosened, the device is simple in structure, and other devices are automatically controlled by taking clamping as a judgment standard, the use is very convenient.
Drawings
FIG. 1 is a schematic sectional view of the front side of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure A-A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a clamping plate and its associated structure according to the present invention;
FIG. 4 is an enlarged view of the structure B of FIG. 1 according to the present invention;
FIG. 5 is a schematic top view of a sliding plate structure according to the present invention;
FIG. 6 is a schematic circuit diagram of the first switch and the second switch structure according to the present invention;
FIG. 7 is a schematic diagram of the first switch and the second switch structure in a clamped state according to the present invention;
FIG. 8 is a schematic diagram of the first switch and the second switch structure after positioning according to the present invention.
In the figure: 1. a support frame main body; 2. a clamping piece; 21. a first touch block; 22. a movable baffle; 23. a first spring; 24. a first detection block; 25. a first switch; 26. fixing the iron plate; 3. a guide cylinder; 31. a telescopic column; 32. a threaded sleeve; 4. a bolt; 5. a motor; 51. a rotating wheel; 6. a sliding plate; 61. fixing the rod; 7. a positioning device body; 71. a cushion pad; 72. a second switch; 73. a second touch block; 74. a second spring; 75. a second detection block; 76. and (4) a measuring device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an automatic positioning and clamping mechanism for a material rod for machining a numerically controlled lathe includes a support frame body 1, a clamping plate 2 is disposed on the support frame body 1, the clamping plate 2 is disposed symmetrically about a rod, the clamping plate 2 includes four clamping pieces, the clamping pieces are respectively clamped from the upper side to the lower side of the rod, the rod is more firmly fixed, the clamping plate 2 includes a first contact block 21, a movable baffle 22, a first spring 23, a first detection block 24, and a first switch 25, the upper end of the first spring 23 is fixedly connected to the first contact block 21, the lower end of the first spring 23 is fixedly connected to the movable baffle 22, the movable baffle 22 is fixedly connected to a return spring, the first spring 23 plays a role of buffering and protecting the first switch 25, the outer portion of the clamping plate 2 is provided with a fixed iron plate 26, a guide cylinder 3 is fixedly mounted on the fixed iron plate 26, the inside of the guide cylinder 3 is provided with a telescopic column 31, a thread bush 32 is arranged above the telescopic column 31, the thread bush 32 is in threaded connection with a bolt 4, the left lower part of the support frame main body 1 is provided with a motor 5, the motor 5 is rotatably connected with a rotating wheel 51, a sliding plate 6 is arranged below the rotating wheel 51, the sliding plate 6 is fixedly connected with a fixed rod 61, the upper part of the fixed rod 61 is fixedly connected with a positioning device main body 7, the right part of the positioning device main body 7 is provided with an opening matched with a second detection block 75, the second detection block 75 can enter the opening after being moved to the left, the positioning device main body 7 comprises a cushion pad 71, a second switch 72, a second touch block 73, a second spring 74 and a second detection block 75, the second switch 72 and the second touch block 73 are both positioned inside the second spring 74, the left end of the second spring 74 is fixedly connected with the inside of the positioning device main body 7, and the right end of the second spring 74 is fixedly connected with the, the first switch 25 and the second switch 72 above, the motor 5 all is linear connection, the left side, equal electrically connected with pilot lamp on the right and the first switch 25 below, the switch of second switch 72 control motor 5 above, the turning to of motor 5 changes other three first switch 25 control display lamps because of the direction of current, fixedly connected with measuring device 76 above positioner main part 7, set up the sliding tray with sliding plate 6, measuring device 76 matches on the support frame main part 1 respectively, measuring device 76 includes the scale pointer, the below of this scale pointer and be provided with the graduation apparatus in the outside of sliding tray, can confirm the concrete position of bar through the graduation apparatus.
The working principle is as follows: the automatic material rod positioning and clamping mechanism for machining the numerical control lathe feeds a material rod into the middle of a clamping piece 2, then a bolt 4 is rotated, the bolt 4 is limited and cannot move downwards, so the bolt 4 can drive a threaded sleeve 32 to move downwards under the action of threads when rotating, a telescopic column 31 fixedly connected below the threaded sleeve 32 moves downwards along with the bolt, the clamping piece 2 below the telescopic column 31 slowly moves downwards to the surface of the material rod, after a first detection block 24 is contacted with the surface of the material rod, the bolt 4 is continuously rotated, the first detection block 24 is extruded to drive a movable baffle 22 to move upwards, the movable baffle 22 drives a first contact block 21 to move upwards, the first contact block 21 moves upwards to touch a first switch 25, when the first switch 25 is opened, the motor 5 starts to work, the bolt 4 stops rotating when the motor 5 starts to work, the first detection block 24 enters the inside of the clamping piece 2, at the moment, the uppermost end of the clamping piece 2 is in contact with the bar, other parts of the clamping piece 2 are in close contact with the bar and extrude the bar on the surface, due to the fact that the four clamping pieces 2 are arranged, the lower bolt 4, the left bolt 4 and the right bolt 4 are firstly rotated when the clamping piece is clamped, the upper bolt 4 is finally rotated when the indicator lamp is turned on, the first switch 25 is touched when the upper bolt 4 is rotated to enable the motor 5 to work, the upper bolt 4 stops rotating when the motor 5 works, and at the moment, all four surfaces are clamped.
Then the motor 5 drives the rotating wheel 51 to rotate counterclockwise, the rotating wheel 51 can drive the sliding plate 6 to move right when rotating counterclockwise, the positioning device main body 7 fixedly connected to the sliding plate 6 moves right along with the rotating wheel and contacts with the left end of the bar, the second detection block 75 contacts with the bar first, the second detection block 75 is subjected to leftward extrusion force after contacting, so that the second detection block 75 drives the second contact block 73 to move left and extrudes the second spring 74, the second contact block 73 moves left and touches the second switch 72 to open the second switch 72, fig. 7 shows that the lines a and b are disconnected when the first switch 25 and the second switch 72 are both opened, the motor 5 stops rotating when the second switch 72 is opened, at this time, the specific position of the positioning device main body 7 can be known by observing the scale on the measuring device 76, and the positioning device main body 7 abuts against the left end of the bar, so as to complete the positioning of the bar. After the processing is finished, the bolt 4 is rotated to enable the threaded sleeve 32 to drive the clamping sheet 2 to move upwards, the movable baffle 22 moves downwards under the action of the reset spring along with the clamping sheet 2 moving upwards, the first detection block 24 and the first touch block 21 are driven to move downwards, after the first touch block 21 leaves the first switch 25, the first switch 25 is closed, and as can be seen from fig. 8, the current in the motor 5 is switched on by the circuit b at the moment, the motor 5 rotates reversely to drive the rotating wheel 51 to rotate clockwise, the rotating wheel 51 rotates clockwise to drive the movable plate 6 to move left, so that the positioning device main body 7 leaves the left end of the bar, the second switch 72 is closed again after the positioning device main body 7 leaves the left end of the bar, and the circuit in the device is shown in fig. 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a material stick automatic positioning clamping mechanism for numerical control lathe processing, includes support frame main part (1), its characterized in that: the supporting frame is characterized in that a clamping piece (2) is arranged on the supporting frame main body (1), a first touch block (21), a movable baffle (22), a first spring (23), a first detection block (24) and a first switch (25) are arranged in the clamping piece (2), a fixed iron plate (26) is arranged outside the clamping piece (2), a guide cylinder (3) is fixedly installed on the fixed iron plate (26), a telescopic column (31) is arranged in the guide cylinder (3), a threaded sleeve (32) is arranged above the telescopic column (31), a bolt (4) is in threaded connection with the threaded sleeve (32), a motor (5) is arranged on the lower left portion of the supporting frame main body (1), a rotating wheel (51) is rotatably connected to the motor (5), a sliding plate (6) is arranged below the rotating wheel (51), and a fixing rod (61) is fixedly connected to the sliding plate (6), the upper surface of the fixing rod (61) is fixedly connected with a positioning device main body (7), the positioning device main body (7) comprises a cushion pad (71), a second switch (72), a second touch block (73), a second spring (74) and a second detection block (75), and the upper surface of the positioning device main body (7) is fixedly connected with a measuring device (76).
2. The automatic positioning and clamping mechanism for the material rod for the numerical control lathe machining is characterized in that: the upper end and the first touch piece (21) fixed connection of first spring (23), the lower extreme and adjustable fender (22) fixed connection of first spring (23), fixedly connected with reset spring on adjustable fender (22).
3. The automatic positioning and clamping mechanism for the material rod for the numerical control lathe machining is characterized in that: the clamping pieces (2) are arranged in an up-down and left-right symmetrical mode by taking a bar as a center.
4. The automatic positioning and clamping mechanism for the material rod for the numerical control lathe machining is characterized in that: the upper first switch (25), the second switch (72) and the motor (5) are linearly connected, and the left switch, the right switch and the lower first switch (25) are electrically connected with indicator lamps.
5. The automatic positioning and clamping mechanism for the material rod for the numerical control lathe machining is characterized in that: the support frame is characterized in that the support frame main body (1) is respectively provided with a sliding groove matched with the sliding plate (6) and the measuring device (76), the measuring device (76) comprises a scale pointer, and a dial gauge is arranged below the scale pointer and outside the sliding groove.
6. The automatic positioning and clamping mechanism for the material rod for the numerical control lathe machining is characterized in that: the second switch (72) and the second touch block (73) are both located inside the second spring (74), the left end of the second spring (74) is fixedly connected with the inside of the positioning device body (7), and the right end of the second spring (74) is fixedly connected with the second detection block (75).
7. The automatic positioning and clamping mechanism for the material rod for the numerical control lathe machining is characterized in that: the right part of the positioning device main body (7) is provided with an opening matched with the second detection block (75).
CN202010766026.2A 2020-08-03 2020-08-03 Automatic material rod positioning and clamping mechanism for machining of numerical control lathe Pending CN111890071A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010766026.2A CN111890071A (en) 2020-08-03 2020-08-03 Automatic material rod positioning and clamping mechanism for machining of numerical control lathe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010766026.2A CN111890071A (en) 2020-08-03 2020-08-03 Automatic material rod positioning and clamping mechanism for machining of numerical control lathe

Publications (1)

Publication Number Publication Date
CN111890071A true CN111890071A (en) 2020-11-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010766026.2A Pending CN111890071A (en) 2020-08-03 2020-08-03 Automatic material rod positioning and clamping mechanism for machining of numerical control lathe

Country Status (1)

Country Link
CN (1) CN111890071A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201979125U (en) * 2010-11-08 2011-09-21 上海诺玛液压系统有限公司 Machining fixture for acceptor hole in electro hydraulic servo valve
CN105729174A (en) * 2016-03-16 2016-07-06 长治清华机械厂 Front-back movable, up-down adjustable and left-right center precise positioning and clamping device
CN109048526A (en) * 2018-09-20 2018-12-21 辽宁广播电视大学(辽宁装备制造职业技术学院) A kind of ancient building brick robot automatically grinding equipment
CN110125971A (en) * 2019-06-18 2019-08-16 徐春丽 A kind of roller gear adaptive guard fixture manipulator
CN110586816A (en) * 2019-09-20 2019-12-20 梅州广汽华德汽车零部件有限公司 Winding method of pipe clamp spring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201979125U (en) * 2010-11-08 2011-09-21 上海诺玛液压系统有限公司 Machining fixture for acceptor hole in electro hydraulic servo valve
CN105729174A (en) * 2016-03-16 2016-07-06 长治清华机械厂 Front-back movable, up-down adjustable and left-right center precise positioning and clamping device
CN109048526A (en) * 2018-09-20 2018-12-21 辽宁广播电视大学(辽宁装备制造职业技术学院) A kind of ancient building brick robot automatically grinding equipment
CN110125971A (en) * 2019-06-18 2019-08-16 徐春丽 A kind of roller gear adaptive guard fixture manipulator
CN110586816A (en) * 2019-09-20 2019-12-20 梅州广汽华德汽车零部件有限公司 Winding method of pipe clamp spring

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