CN117984133A - Combined precision flat tongs - Google Patents
Combined precision flat tongs Download PDFInfo
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- CN117984133A CN117984133A CN202410408046.0A CN202410408046A CN117984133A CN 117984133 A CN117984133 A CN 117984133A CN 202410408046 A CN202410408046 A CN 202410408046A CN 117984133 A CN117984133 A CN 117984133A
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- screw rod
- sliding block
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000012545 processing Methods 0.000 claims abstract description 51
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 238000003754 machining Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 210000000080 chela (arthropods) Anatomy 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/066—Bench vices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a combined precision flat tongs, which belongs to the technical field of flat tongs and comprises a pedestal, a middle tongs body, two end tongs bodies, a linear driving piece, a middle tongs positioner and a position monitor, wherein the pedestal is provided with a plurality of clamping heads; the inner side of the pedestal is provided with a through groove, and two sides of the top surface of the pedestal are provided with sliding openings; an end plate is fixed at the position of the right-angle notch of the pedestal through a bolt, and a guide blind groove is formed in the middle of the top surface of the pedestal along the length direction of the pedestal; the middle clamp body comprises a middle sliding block which is connected with the pedestal in a sliding way, and a lower protruding block which is arranged in a sliding way with the guiding blind groove is integrally formed in the middle of the bottom surface of the middle sliding block; according to the combined precision flat tongs, the middle tongs body is used as the adjustable fixed tongs, the two end tongs bodies are matched with the middle tongs to form the two jaws, the distance between the two jaws can be adjusted, synchronous clamping of two workpieces with different sizes is achieved, after clamping, the processing machine tool can adapt to the position of the workpiece, and the processing precision of the workpiece is high.
Description
Technical Field
The invention particularly relates to a combined precision flat tongs, and belongs to the technical field of flat tongs.
Background
The precision flat tongs are widely applied to occasions with higher machining requirements of mechanical parts; the existing precision flat tongs are provided with a fixed clamp and a movable clamp, wherein a jaw between the fixed clamp and the movable clamp is used for clamping a workpiece; in order to adapt to different use occasions, different improvements need to be made on the precision flat tongs, such as Chinese patent publication No.: CN102615531B, a combined precision flat tongs is disclosed, the structure adopts a double-jaw structure, the use occasion and range are enlarged, the positioning design on four jaw plates is different, and the four jaw plates can be exchanged and installed upside down, so that a plurality of positioning modes can be provided through combination, the cylinder and the plate can be fast and conveniently clamped, alignment is not needed, and the clamping is firm and stable, and due to the firm clamping, the cutting quantity can be properly increased, and the production efficiency is favorably improved; but this structure can't be according to the centre gripping demand, synchronous centre gripping not unidimensional work piece, and above-mentioned technical scheme adopts vernier jig device, but this structure adopts fixed pincers and movable pincers structure, because fixed pincers position is fixed, and after fixed pincers and movable pincers centre gripping the work piece, the work piece position is synchronous to be confirmed, therefore, the vernier jig device of this structure can not improve machining precision.
Disclosure of Invention
In order to solve the problems, the invention provides a combined type precise flat tongs which can realize synchronous clamping of two workpieces with different sizes, and after clamping, a processing machine tool can adapt to the positions of the workpieces, so that the processing precision of the workpieces is high.
The invention provides a combined precision flat nose pliers, which comprises:
The pedestal is of a square beam structure, a through groove is formed in the inner side of the pedestal, and right-angle notches are formed in two ends of the pedestal; sliding ports are formed in two sides of the top surface of the pedestal; an end plate is fixed at the position of the right-angle notch of the pedestal through a bolt; the two sides of the lower part of the pedestal are oppositely provided with lower clamping grooves, and the pedestal is provided with a grating groove seat above the lower clamping grooves; the lower clamping groove is clamped and installed with the processing machine tool, and a guide blind groove is formed in the middle of the top surface of the pedestal along the length direction of the pedestal; the two ends of the guide blind groove are provided with perforations communicated with the sliding port;
The middle clamp body comprises a middle sliding block which is connected with the pedestal in a sliding way, and a lower protruding block which is in sliding installation with the guiding blind groove is integrally formed in the middle of the bottom surface of the middle sliding block; the bottom of one side of the middle sliding block is integrally provided with a lower edge part, and the lower edge part is provided with a detection groove seat opposite to the grating groove seat; limit bolts tightly propped against the top surface of the pedestal are screwed on two sides of the top of the middle sliding block; the middle sliding block is fixed with a first clamping plate body through a second counter bore bolt;
the two end clamp bodies comprise end sliding blocks which are connected with two ends of the pedestal in a sliding mode, and the end sliding blocks are fixed with a second clamping plate body through third counter bore bolts; the screw rod sliding seat is integrally formed on one side, far away from the middle sliding block, of the bottom surface of the end sliding block; the screw rod sliding seat is arranged at the inner side of the through groove; during processing, the first clamping plate body and the second clamping plate body matched with the workpiece can be selected according to the size or the structure type of the workpiece; processing the workpiece through the first clamping plate body and the second clamping plate body;
the linear driving piece is connected with the screw rod sliding seat, and the driving end of the linear driving piece extends out of the end plate;
the middle clamp position regulator is arranged at the inner side of the guide blind groove and is connected with the lower protruding block;
a position monitor; the position monitor comprises a grating ruler which is embedded and fixed on the inner side of the grating groove seat, and a reading head is embedded and fixed on the inner side of the detection groove seat; the reading head is tightly attached to the grating ruler; the reading head is connected to the controller; the controller is connected with an alarm, and the controller is connected to the PLC of the processing machine tool.
During operation, can process the work piece of two kinds of sizes simultaneously, specifically: firstly calculating the size difference value of the two sizes of workpieces, unscrewing a limit bolt, driving the position of a middle clamp body through a middle clamp position regulator, monitoring the adjustment position in real time through a position monitor, and when the middle clamp body moves to the size difference value position; the controller gives an alarm signal to the alarm, completes the position adjustment of the middle clamp body and locks the adjustment position through the limit bolt; at this time, two sizes of workpieces can be fed into the corresponding jaws; then, the linear driving piece drives the two end clamp bodies to mutually slide and approach, so that workpieces with two sizes are clamped; then, a machining machine tool machines the workpiece; after finishing processing, the linear driving piece drives the two end pliers bodies to be mutually far away, a processed workpiece is taken out, and then the workpiece to be processed is sent to the corresponding pliers opening again; then, the linear driving piece drives the two end clamp bodies to clamp the workpiece to be processed; at this time, the reading head acquires current position data, calculates the difference value between the current position data and the first position data to obtain offset data, then sends the offset data into a PLC of the processing machine tool, the PLC automatically corrects the position of the cutter according to the offset, and the processing machine tool processes the workpiece after finishing correction, so that the processing precision is high.
Further, the position monitor also comprises a position locator, wherein the position locator is a plurality of mark points or correlation positioning modules arranged on the top surface of the middle sliding block, the correlation positioning modules comprise positioning seats fixed on the tool mounting seat of the processing machine tool, and a plurality of correlation infrared sensors are directly opposite to and fixed between the positioning seats and the middle sliding block; the correlation type infrared sensor is connected to the controller; when the processing machine tool processes the clamped workpiece, the processing machine tool drives the cutter to move to a processing position to wait for processing, at the moment, the controller acquires reading head data, and meanwhile, the marking point is positioned through a visual positioning system of the processing machine tool, or the position is positioned through a positioning seat and an opposite infrared sensor of the middle sliding block, so that the position calibration is finished, and after the calibration is finished, the processing machine tool processes the processing position of the workpiece; after the machining is finished, the middle clamp body and the end clamp body loosen the workpiece, take down the workpiece to finish one-time workpiece machining, and then perform the next workpiece machining, specifically: clamping a workpiece with one size or two sizes on two jaws, at the moment, acquiring reading head data by a controller, calculating a difference value between the reading head data and the last reading head data to obtain an offset, sending the difference value to a PLC (programmable logic controller) of a processing machine tool, automatically correcting the position of a cutter by the PLC according to the offset, and secondarily determining the real-time position by a position positioner after the correction; the workpiece processing station secondary positioning is realized, and the processing precision is high.
Furthermore, the cross sliding table between the tool mounting seat and the positioning seat of the processing machine tool can adjust the position of the positioning seat on a two-dimensional plane through the sliding table, so that the opposite direction of the opposite direction infrared sensor on the positioning seat and the middle sliding block is realized, and the tool positioning of the processing machine tool is completed.
Further, the intermediate clamp positioner comprises a first bearing, a second bearing and a first screw rod; the first bearing and the second bearing are fixed on the inner sides of the two through holes; one end of the first screw rod is provided with a light shaft surface, the other end of the first screw rod is integrally provided with a thin end shaft, and the end part of the thin end shaft is provided with a hexagonal hole body; the first screw rod penetrates from the first bearing to the second bearing; the first screw rod is screwed through the lower lug; the first bearing is provided with the shrouding away from second bearing one side, the shrouding is fixed in the perforation outside. When two workpieces with different lengths are required to be clamped, firstly calculating the length difference of the two types of workpieces, then adjusting the position of the middle clamp body, unscrewing a limit bolt, then butting the handle with a hexagonal hole body, rotating the handle, driving a thin end shaft to rotate through the handle, and synchronously rotating a first screw rod when the thin end shaft rotates, wherein the first screw rod is matched with a lower lug, the lower lug converts the rotation of the first screw rod into linear sliding, and the lower lug slides in a guide blind groove, so that the synchronous sliding of the middle slide block and the lower edge part is realized; the reading head on the lower edge part slides along the grating ruler, and when the reading head feeds back displacement data to the controller in real time; when the displacement reaches the length difference of the workpiece, the controller sends out an in-place signal through the alarm, at the moment, the handle is pulled out, the limit bolt is rotated, and the position is locked through the limit bolt; and (5) finishing the opening adjustment of the two jaws.
Further, the linear driving piece comprises an optical axis penetrating through a screw rod sliding seat through a sliding sleeve, two ends of the optical axis are fixed on end plates, a second screw rod is screwed in the middle of the screw rod sliding seat, one end of the second screw rod is connected to one end plate through a guide bearing, and the other end of the second screw rod penetrates out of the other end plate through the other guide bearing and is connected to a driving motor or a hand wheel through a coupler; the driving motor is fixed on the end plate; when the linear driving piece works, the second screw rod is driven to rotate through the driving motor or the hand wheel, two ends of the second screw rod are along the bearing on the end plate, the second screw rod rotates to drive the screw rod sliding seat to linearly slide, the screw hole directions of the two end clamp bodies are opposite, and when the second screw rod rotates, the two end clamp bodies are close to each other or far away from each other; thereby realizing clamping or loosening of the workpiece.
Further, upper clamping grooves are formed in the two sides of the upper portion of the pedestal in a facing manner; the inner sides of the upper clamping grooves are fixed with guide rail bodies through first counter bore bolts, and the inner surfaces of the middle sliding blocks and the end sliding blocks are slidably mounted with the guide rail bodies; the middle sliding block and the end sliding block slide on the guide rail body in a straight line, so that the sliding linearity of the middle sliding block and the end sliding block is higher.
Further, a row of jacks are oppositely arranged on two sides of the top surface of the pedestal, a tray is arranged between the middle clamp body and the end clamp body of the pedestal, a plug is arranged at the bottom of the tray, and a workpiece bottom support is integrally formed at the top of the tray; the inserting column is inserted into the inserting hole; the bottom of one or more workpieces can be supported through the workpiece supports on the tray, so that the end clamp bodies and the middle clamp bodies are assisted to clamp two ends of the workpieces; the two ends of the workpiece are protruded out of the tray, so that the tray cannot interfere the end clamp body and the middle clamp body; the tray can be replaced according to the type of the workpiece, and the tray can be used for inserting the inserting columns into the corresponding inserting holes according to the clamping requirements of the workpiece.
Further, the center of the grating ruler is positioned on the same straight line with the center of the sliding range of the two end clamp bodies, when the center of the middle clamp body is positioned on the straight line, the two jaw openings are in an equidistant state, and when the reading head is positioned on the straight line, the grating ruler is in a zero clearing mode.
Compared with the prior art, the combined precision flat tongs have the advantages that the middle tongs body is used as the adjustable fixed tongs, the two end tongs bodies are matched with the middle tongs to form the two jaws, the distance between the two jaws can be adjusted, synchronous clamping of two workpieces with different sizes is achieved, after clamping, the processing machine tool can adapt to the positions of the workpieces, and the processing precision of the workpieces is high.
Drawings
Fig. 1 is a schematic overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present invention.
Fig. 3 is a schematic view of a partial enlarged structure at B in fig. 1 according to the present invention.
Fig. 4 is a schematic view of the installation structure of the middle caliper body and the linear driving member of the present invention.
Fig. 5 is a schematic view of the overall structure of the intermediate clamp positioner of the present invention.
Fig. 6 is a schematic view of a partial enlarged structure at C in fig. 5 according to the present invention.
Fig. 7 is a schematic overall structure of embodiment 2 of the present invention.
Reference numerals: 1. the device comprises a pedestal, 2, a right-angle notch, 3, a sliding port, 4, an end plate, 5, a lower clamping groove, 6, a grating groove seat, 7, a guide blind groove, 8, a middle sliding block, 9, a lower protruding block, 10, a lower edge part, 11, a detection groove seat, 12, a limit bolt, 13, a second counter bore bolt, 14, a first clamping plate body, 15, an end sliding block, 16, a third counter bore bolt, 17, a second clamping plate body, 18, a grating ruler, 19, a reading head, 20, a positioning seat, 21, an opposite-type infrared sensor, 22, a first bearing, 23, a second bearing, 24, a first screw rod, 25, a thin end shaft, 26, a hexagonal hole body, 27, a sealing plate, 28, an optical axis, 29, a second screw rod, 30, a driving motor, 31, a first counter bore bolt, 32, a guide rail body, 33, an inserting hole, 34, a tray, 35, a plug, 36, a workpiece bottom support, 37 and a screw rod sliding seat.
Detailed Description
Example 1:
the combined precision flat tongs as shown in fig. 1 to 6, comprising:
The pedestal 1 is of a square beam structure, a through groove is formed in the inner side of the pedestal 1, and right-angle notch 2 is formed in two ends of the pedestal 1; sliding ports 3 are formed in two sides of the top surface of the pedestal 1; an end plate 4 is fixed at the position of the right-angle notch 2 of the pedestal 1 through bolts; a lower clamping groove 5 is formed in the two sides of the lower part of the pedestal 1 in a right-to-right manner, and a grating groove seat 6 is arranged above the lower clamping groove 5 of the pedestal 1; the lower clamping groove 5 is clamped and installed with a processing machine tool, and a guide blind groove 7 is formed in the middle of the top surface of the pedestal 1 along the length direction of the pedestal 1; the two ends of the guide blind groove 7 are provided with perforations communicated with the sliding port 3;
The middle clamp body comprises a middle sliding block 8 which is connected with the pedestal 1 in a sliding way, and a lower protruding block 9 which is arranged in a sliding way with the guiding blind groove 7 is integrally formed in the middle of the bottom surface of the middle sliding block 8; the bottom of one side of the middle sliding block 8 is integrally provided with a lower edge part 10, and the lower edge part 10 is provided with a detection groove seat 11 opposite to the grating groove seat 6; limit bolts 12 which are tightly propped against the top surface of the pedestal 1 are screwed on two sides of the top of the middle sliding block 8; the middle sliding block 8 is fixed with a first clamping plate body 14 through a second counter bore bolt 13;
The two end clamp bodies comprise end sliding blocks 15 which are connected with the two ends of the pedestal 1 in a sliding manner, and the end sliding blocks 15 are fixed with a second clamping plate body 17 through third counter bore bolts 16; the bottom surface of the end sliding block 15 is integrally provided with a screw rod sliding seat 37 at one side far away from the middle sliding block 8; the screw rod sliding seat 37 is arranged at the inner side of the through groove; during processing, the first clamping plate body 14 and the second clamping plate body 17 matched with the workpiece can be selected according to the size or the structure type of the workpiece; machining a workpiece through the first clamping plate body 14 and the second clamping plate body 17;
The linear driving piece is connected with the screw rod sliding seat 37, and the driving end of the linear driving piece extends out of the end plate 4;
The middle clamp positioner is arranged at the inner side of the guide blind groove 7 and is connected with the lower protruding block 9;
A position monitor; the position monitor comprises a grating ruler 18 which is embedded and fixed on the inner side of the grating groove seat 6, and a reading head 19 is embedded and fixed on the inner side of the detection groove seat 11; the reading head 19 is closely attached to the grating ruler 18; the reading head 19 is connected to the controller; the controller is connected with an alarm, and the controller is connected to the PLC of the processing machine tool.
During operation, can process the work piece of two kinds of sizes simultaneously, specifically: firstly calculating the size difference value of the two sizes of workpieces, unscrewing a limit bolt 12, driving the position of a middle clamp body through a middle clamp position regulator, monitoring the adjustment position in real time through a position monitor, and when the middle clamp body moves to the size difference value position; the controller gives an alarm signal to the alarm, completes the position adjustment of the middle clamp body and locks the adjustment position through the limit bolt 12; at this time, two sizes of workpieces can be fed into the corresponding jaws; then, the linear driving piece drives the two end clamp bodies to mutually slide and approach, so that workpieces with two sizes are clamped; then, a machining machine tool machines the workpiece; after finishing processing, the linear driving piece drives the two end pliers bodies to be mutually far away, a processed workpiece is taken out, and then the workpiece to be processed is sent to the corresponding pliers opening again; then, the linear driving piece drives the two end clamp bodies to clamp the workpiece to be processed; at this time, the reading head 19 acquires the current position data, calculates the difference between the current position data and the first position data to obtain offset data, and then sends the offset data to the PLC of the processing machine tool, the PLC automatically corrects the position of the cutter according to the offset, and the processing machine tool processes the workpiece after the correction is completed, so that the processing precision is high.
The position monitor also comprises a position positioner, wherein the position positioner is a plurality of mark points or correlation positioning modules arranged on the top surface of the middle sliding block 8, the correlation positioning modules comprise positioning seats 20 fixed on a tool mounting seat of a processing machine tool, and a plurality of correlation infrared sensors 21 are directly opposite to and fixed between the positioning seats 20 and the middle sliding block 8; the correlation type infrared sensor 21 is connected to a controller; when the processing machine tool processes the clamped workpiece, the processing machine tool drives the cutter to move to a processing position and waits for processing, at the moment, the controller acquires data of the reading head 19, and meanwhile, the position of the marking point is positioned through a visual positioning system of the processing machine tool, or the position of the marking point is positioned through a positioning seat 20 and an opposite-type infrared sensor 21 of the middle sliding block 8, so that the position calibration is finished, and after the calibration is finished, the processing machine tool processes the processing position of the workpiece; after the machining is finished, the middle clamp body and the end clamp body loosen the workpiece, take down the workpiece to finish one-time workpiece machining, and then perform the next workpiece machining, specifically: clamping a workpiece with one size or two sizes on two jaws, at the moment, acquiring data of a reading head 19 by a controller, calculating a difference value between the data of the reading head 19 and the data of the reading head 19 at the last time to obtain an offset, sending the difference value to a PLC (programmable logic controller) of a processing machine tool, automatically correcting the position of a cutter by the PLC according to the offset, and secondarily determining the real-time position by a position positioner after the correction; the workpiece processing station secondary positioning is realized, and the processing precision is high.
The cross-shaped sliding table between the tool mounting seat and the positioning seat 20 of the processing machine can adjust the position of the positioning seat 20 on a two-dimensional plane through the sliding table, so that the opposite direction of the opposite direction infrared sensor 21 on the positioning seat 20 and the middle sliding block 8 is realized, and the tool positioning of the processing machine is completed.
The intermediate clamp positioner comprises a first bearing 22, a second bearing 23 and a first screw 24; the first bearing 22 and the second bearing 23 are fixed inside the two perforations; an optical axis surface is arranged at one end of the first screw rod 24, a thin end shaft 25 is integrally formed at the other end of the first screw rod 24, and a hexagonal hole 26 is formed at the end part of the thin end shaft 25; the first screw 24 penetrates from the first bearing 22 to the second bearing 23; the first screw rod 24 is screwed through the lower lug 9; the first bearing 22 is provided with a closing plate 27 on the side facing away from the second bearing 23, said closing plate 27 being fixed to the outside of the perforation. When two workpieces with different lengths are required to be clamped, firstly calculating the length difference of the two types of workpieces, then adjusting the position of the middle clamp body, unscrewing the limit bolt 12, then butting the handle with the hexagonal hole body 26, rotating the handle, driving the thin end shaft 25 to rotate through the handle, synchronously rotating the first screw rod 24 when the thin end shaft 25 rotates, matching the first screw rod 24 with the lower protruding block 9, converting the rotation of the first screw rod 24 into linear sliding by the lower protruding block 9, and sliding the lower protruding block 9 in the guide blind groove 7, thereby realizing synchronous sliding of the middle sliding block 8 and the lower edge part 10; the reading head 19 on the lower edge part 10 slides along the grating ruler 18, and when the reading head 19 feeds back displacement data to the controller in real time; when the displacement reaches the length difference of the workpiece, the controller sends out an in-place signal through the alarm, at the moment, the handle is pulled out, the limit bolt 12 is rotated, and the position is locked through the limit bolt 12; and (5) finishing the opening adjustment of the two jaws.
The linear driving piece comprises an optical axis 28 penetrating through a screw rod sliding seat 37 through a sliding sleeve, two ends of the optical axis 28 are fixed on the end plate 4, a second screw rod 29 is screwed in the middle of the screw rod sliding seat 37, one end of the second screw rod 29 is connected to one end plate 4 through a guide bearing, and the other end of the second screw rod 29 penetrates out of the other end plate 4 through the other guide bearing and is connected to a driving motor 30 or a hand wheel through a coupling; the driving motor 30 is fixed on the end plate 4; when the linear driving piece works, the second screw rod 29 is driven to rotate through the driving motor 30 or the hand wheel, two ends of the second screw rod 29 are along the bearing on the end plate 4, the second screw rod 29 is driven to rotate to drive the screw rod sliding seat 37 to slide linearly, the screw hole directions of the two end clamp bodies are opposite, and when the second screw rod 29 rotates, the two end clamp bodies are close to each other or far away from each other; thereby realizing clamping or loosening of the workpiece.
Upper clamping grooves are formed in the two sides of the upper part of the pedestal 1 in a right-to-right manner; the inner sides of the upper clamping grooves are fixed with guide rail bodies 32 through first counter bore bolts 31, and the inner surfaces of the middle sliding blocks 8 and the end sliding blocks 15 are slidably arranged with the guide rail bodies 32; the intermediate slide 8 and the end slide 15 slide linearly on the rail body 32, so that the sliding linearity of the intermediate slide 8 and the end slide 15 is higher.
Example 2:
As shown in fig. 7, a row of insertion holes 33 are formed in the opposite direction on two sides of the top surface of the pedestal 1, a tray 34 is arranged between the middle clamp body and the end clamp body of the pedestal 1, an insertion column 35 is arranged at the bottom of the tray 34, and a workpiece bottom support 36 is integrally formed at the top of the tray 34; the plug posts 35 are plugged into the plug holes 33; one or more workpiece bottoms can be supported by the workpiece supports 36 on the pallet 34, thereby assisting the end clamp bodies and the middle clamp bodies to clamp two ends of the workpiece; the two ends of the workpiece are protruded out of the tray 34, so that the tray 34 cannot interfere the end clamp body and the middle clamp body; the tray 34 can be replaced according to the type of the workpiece, and the tray 34 can insert the inserting posts 35 into the corresponding inserting holes 33 according to the clamping requirements of the workpiece.
The center of the grating ruler 18 is positioned on the same straight line with the center of the sliding range of the two end clamp bodies, when the center of the middle clamp body is positioned on the straight line, the two jaw openings are in an equidistant state, and when the reading head 19 is positioned on the straight line, the grating ruler 18 is in a zero clearing mode.
The above embodiments are merely preferred embodiments of the present invention, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are therefore intended to be embraced therein.
Claims (8)
1. A combination type precision flat tongs is characterized in that: comprising the following steps:
The pedestal is of a square beam structure, a through groove is formed in the inner side of the pedestal, and right-angle notches are formed in two ends of the pedestal; sliding ports are formed in two sides of the top surface of the pedestal; an end plate is fixed at the position of the right-angle notch of the pedestal through a bolt; the two sides of the lower part of the pedestal are oppositely provided with lower clamping grooves, and the pedestal is provided with a grating groove seat above the lower clamping grooves; the lower clamping groove is clamped and installed with the processing machine tool, and a guide blind groove is formed in the middle of the top surface of the pedestal along the length direction of the pedestal; the two ends of the guide blind groove are provided with perforations communicated with the sliding port;
The middle clamp body comprises a middle sliding block which is connected with the pedestal in a sliding way, and a lower protruding block which is in sliding installation with the guiding blind groove is integrally formed in the middle of the bottom surface of the middle sliding block; the bottom of one side of the middle sliding block is integrally provided with a lower edge part, and the lower edge part is provided with a detection groove seat opposite to the grating groove seat; limit bolts tightly propped against the top surface of the pedestal are screwed on two sides of the top of the middle sliding block; the middle sliding block is fixed with a first clamping plate body through a second counter bore bolt;
The two end clamp bodies comprise end sliding blocks which are connected with two ends of the pedestal in a sliding mode, and the end sliding blocks are fixed with a second clamping plate body through third counter bore bolts; the screw rod sliding seat is integrally formed on one side, far away from the middle sliding block, of the bottom surface of the end sliding block; the screw rod sliding seat is arranged at the inner side of the through groove;
the linear driving piece is connected with the screw rod sliding seat, and the driving end of the linear driving piece extends out of the end plate;
the middle clamp position regulator is arranged at the inner side of the guide blind groove and is connected with the lower protruding block;
a position monitor; the position monitor comprises a grating ruler which is embedded and fixed on the inner side of the grating groove seat, and a reading head is embedded and fixed on the inner side of the detection groove seat; the reading head is tightly attached to the grating ruler; the reading head is connected to the controller; the controller is connected with an alarm, and the controller is connected to the PLC of the processing machine tool.
2. The combination precision flat tongs of claim 1 wherein: the position monitor also comprises a position locator, wherein the position locator is a plurality of mark points or correlation positioning modules arranged on the top surface of the middle sliding block, the correlation positioning modules comprise positioning seats fixed on a tool mounting seat of the processing machine tool, and a plurality of correlation infrared sensors are directly opposite to and fixed between the positioning seats and the middle sliding block; the correlation type infrared sensor is connected to the controller.
3. The combination precision flat tongs of claim 2 wherein: and a cross-shaped sliding table is arranged between the cutter mounting seat and the positioning seat of the processing machine tool.
4. The combination precision flat tongs of claim 1 wherein: the middle clamp positioner comprises a first bearing, a second bearing and a first screw rod; the first bearing and the second bearing are fixed on the inner sides of the two through holes; one end of the first screw rod is provided with a light shaft surface, the other end of the first screw rod is integrally provided with a thin end shaft, and the end part of the thin end shaft is provided with a hexagonal hole body; the first screw rod penetrates from the first bearing to the second bearing; the first screw rod is screwed through the lower lug; the first bearing is provided with the shrouding away from second bearing one side, the shrouding is fixed in the perforation outside.
5. The combination precision flat tongs of claim 1 wherein: the linear driving piece comprises an optical axis penetrating through the screw rod sliding seat through the sliding sleeve, two ends of the optical axis are fixed on the end plates, a second screw rod is screwed in the middle of the screw rod sliding seat, one end of the second screw rod is connected to one end plate through a guide bearing, and the other end of the second screw rod penetrates out of the other end plate through the other guide bearing and is connected to the driving motor or the hand wheel through a coupling; the driving motor is fixed on the end plate.
6. The combination precision flat tongs of claim 1 wherein: an upper clamping groove is formed in the two sides of the upper part of the pedestal in a right-to-right manner; the inner side of the upper clamping groove is fixedly provided with a guide rail body through a first counter bore bolt, and the inner faces of the middle sliding block and the end sliding block are slidably mounted with the guide rail body.
7. The combination precision flat tongs of claim 1 wherein: a row of jacks are formed in the two sides of the top surface of the pedestal in a facing way, a tray is arranged between the middle clamp body and the end clamp body of the pedestal, a plug post is arranged at the bottom of the tray, and a workpiece bottom support is integrally formed at the top of the tray; the plug is plugged into the jack.
8. The combination precision flat tongs of claim 1 wherein: the center of the grating ruler is positioned on the same straight line with the center of the sliding range of the two end clamp bodies.
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| CN202410408046.0A CN117984133B (en) | 2024-04-07 | 2024-04-07 | Combined precision flat tongs |
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| CN202410408046.0A CN117984133B (en) | 2024-04-07 | 2024-04-07 | Combined precision flat tongs |
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| CN117984133B CN117984133B (en) | 2024-05-31 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3243178A (en) * | 1963-09-27 | 1966-03-29 | Molins Organisation Ltd | Workpiece supports for machine tools |
| US6775898B1 (en) * | 1998-08-08 | 2004-08-17 | Dr. Johannes Heidenhain Gmbh | Method for assembling a position measuring device and a positioning means for the assembly |
| CN101502936A (en) * | 2009-03-02 | 2009-08-12 | 张应祥 | Juggle type precise flat tong for machine tool with large processing table |
| CN102615531A (en) * | 2012-03-27 | 2012-08-01 | 江苏技术师范学院 | Combined precise flat tongs |
| US20120217692A1 (en) * | 2011-02-28 | 2012-08-30 | Hon Hai Precision Industry Co., Ltd. | Mobile measuring platform for precision measuring system |
| CN103659379A (en) * | 2013-12-30 | 2014-03-26 | 马光战 | Bidirectional flat-nose pliers for machine |
| KR20170010275A (en) * | 2015-07-17 | 2017-01-26 | 주식회사 울트라 | Multi-axis hole drilling apparatus |
| CN211655967U (en) * | 2020-03-12 | 2020-10-09 | 佛山市增广智能科技有限公司 | Clamp apparatus |
| CN220028881U (en) * | 2023-05-12 | 2023-11-17 | 安徽首矿大昌金属材料有限公司 | Rod impact sample sawing fixture |
-
2024
- 2024-04-07 CN CN202410408046.0A patent/CN117984133B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3243178A (en) * | 1963-09-27 | 1966-03-29 | Molins Organisation Ltd | Workpiece supports for machine tools |
| US6775898B1 (en) * | 1998-08-08 | 2004-08-17 | Dr. Johannes Heidenhain Gmbh | Method for assembling a position measuring device and a positioning means for the assembly |
| CN101502936A (en) * | 2009-03-02 | 2009-08-12 | 张应祥 | Juggle type precise flat tong for machine tool with large processing table |
| US20120217692A1 (en) * | 2011-02-28 | 2012-08-30 | Hon Hai Precision Industry Co., Ltd. | Mobile measuring platform for precision measuring system |
| CN102615531A (en) * | 2012-03-27 | 2012-08-01 | 江苏技术师范学院 | Combined precise flat tongs |
| CN103659379A (en) * | 2013-12-30 | 2014-03-26 | 马光战 | Bidirectional flat-nose pliers for machine |
| KR20170010275A (en) * | 2015-07-17 | 2017-01-26 | 주식회사 울트라 | Multi-axis hole drilling apparatus |
| CN211655967U (en) * | 2020-03-12 | 2020-10-09 | 佛山市增广智能科技有限公司 | Clamp apparatus |
| CN220028881U (en) * | 2023-05-12 | 2023-11-17 | 安徽首矿大昌金属材料有限公司 | Rod impact sample sawing fixture |
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| CN117984133B (en) | 2024-05-31 |
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