CN111360564A - Fool-proof device for numerical control machine tool workpiece processing safety - Google Patents

Fool-proof device for numerical control machine tool workpiece processing safety Download PDF

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Publication number
CN111360564A
CN111360564A CN202010322282.2A CN202010322282A CN111360564A CN 111360564 A CN111360564 A CN 111360564A CN 202010322282 A CN202010322282 A CN 202010322282A CN 111360564 A CN111360564 A CN 111360564A
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CN
China
Prior art keywords
plate
fool
machine tool
numerical control
control machine
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Granted
Application number
CN202010322282.2A
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Chinese (zh)
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CN111360564B (en
Inventor
周江宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU ALLIED PRECISION MACHINERY Co.,Ltd.
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周江宏
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Priority to CN202010322282.2A priority Critical patent/CN111360564B/en
Publication of CN111360564A publication Critical patent/CN111360564A/en
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Publication of CN111360564B publication Critical patent/CN111360564B/en
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    • 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
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means

Abstract

The invention discloses a safety fool-proof device for machining a workpiece of a numerical control machine tool, which comprises a mounting plate and mounting holes arranged on four sides of the mounting plate, wherein the other two sides of the mounting plate are symmetrically provided with supporting frames, one side of each supporting frame is uniformly provided with sliding holes, limiting needles are inserted in the sliding holes, one ends of the limiting needles are provided with pressing plates, the other side of each supporting frame is provided with a fixing plate, the positions, corresponding to the sliding holes, on the fixing plates are provided with screw holes, the screw holes are in threaded connection with lead screws, and one ends of the lead screws are provided with. Through dismouting fixed plate, conveniently change the spring. Through the fool-proof limit of the limit needle, the plate-shaped workpiece can only be placed at a distance corresponding to the fixed limit needle on the left side and the right side, the plate-shaped workpiece can be stably contacted with the mounting plate, only once adjustment is needed, the cutter setting is not needed again, the fool-proof effect is safer and more efficient, and the problem that the fool-proof effect is not achieved due to the fact that the clamping plate-shaped workpiece exists in the prior art is solved.

Description

Fool-proof device for numerical control machine tool workpiece processing safety
Technical Field
The invention belongs to the technical field of numerical control machine tool machining, and particularly relates to a safety fool-proof device for machining of a workpiece of a numerical control machine tool.
Background
A numerical control machine is a short name for a numerical control machine, and is an automated machine equipped with a program control system capable of logically processing a program having control codes or other symbolic instructions, decoding it, expressing it in coded numbers, and inputting it to a numerical control device through an information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing.
When the existing numerical control milling machine mills a plate-shaped workpiece, the plate-shaped workpiece needs to be clamped by a clamping device arranged on the numerical control milling machine to ensure the stability of the processing process, the main body of the existing clamping device is of a plate-shaped structure, four sides of the plate are provided with mounting holes, hexagonal screws are inserted into the mounting holes and screwed into thread grooves at the bottom of the numerical control milling machine, the plate structure can be stabilized, supporting plates are arranged at two sides of the plate, air cylinders are arranged on the supporting plates, clamping plates are arranged at the end parts of ejector rods of the air cylinders, air inlet and outlet ends of the air cylinders are used for being connected with air supply and delivery pipelines on the numerical control milling machine, the air supply and delivery pipelines are controlled by electronic air valves and used for adjusting the air supply and air discharge of the air cylinders, when in use, the relatively flat surfaces at two sides of the plate-shaped workpiece can correspond to the clamping plates, a control button, thereby compress tightly platelike work piece both sides, can stably settle platelike work piece on the board, the shortcoming that exists has: due to the fact that operators have different quality, the concentration degree is limited, the workload is large, transverse deviation exists after the plate-shaped workpiece is installed, a careless person can change the tool rest cutting position from the beginning of tool setting, and a careless person can directly clamp and process the plate-shaped workpiece, so that the risks of breaking expensive tools and damaging a numerical control milling machine obviously exist.
Disclosure of Invention
The invention aims to provide a safety fool-proof device for machining a workpiece of a numerical control machine tool, which aims to solve the problem that no fool-proof effect is achieved for clamping a plate-shaped workpiece in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a digit control machine tool work piece processing safety prevents slow-witted device, includes mounting panel and sets up the mounting hole in four sides of mounting panel, the support frame has been installed to the bilateral symmetry in addition of mounting panel, one side of support frame evenly is equipped with the slide opening, the interlude has spacing needle in the slide opening, the clamp plate of supporting has been installed to the one end of spacing needle, the fixed plate has been installed to the opposite side of support frame, the position that corresponds each slide opening on the fixed plate is equipped with the silk hole, silk hole threaded connection lead screw, the board has been revolved to the one end of lead screw.
Preferably, the both sides symmetry of mounting panel has installed the backup pad, and the backup pad facial make-up is equipped with the cylinder, and the medial side of mounting panel is equipped with the perforation, and the apical axis of cylinder runs through the perforation, and the top shaft of cylinder has installed the grip block.
Preferably, the side plates are symmetrically arranged on two sides of the air cylinder, through holes are formed in the side plates, screw rods are arranged on the supporting plate and correspond to the through holes, and the screw rods penetrate through the through holes and are locked through nuts.
Preferably, the limiting needle is sleeved with a spring.
Preferably, the two end parts of the support frame are provided with placing grooves, the two sides of the fixing plate are inserted into the placing grooves, the two sides of the fixing plate are provided with through holes, screws penetrate through the through holes, one sides of the placing grooves are provided with thread grooves, and the screws are in threaded connection with the thread grooves.
Preferably, the front of the supporting frame is provided with a baffle.
Compared with the prior art, the invention has the beneficial effects that:
according to the safety fool-proof device for processing the workpiece of the numerical control machine tool, the plate-shaped workpiece can be stably contacted with the mounting plate only by being placed at a distance corresponding to the fixed spacing needles on the left side and the right side through fool-proof spacing of the spacing needles, only once adjustment is needed, re-tool setting is not needed, safety and efficiency are improved, the fool-proof effect is good, and the problem that the fool-proof effect of clamping the plate-shaped workpiece is absent in the prior art is solved.
The safety fool-proofing device for processing the workpiece of the numerical control machine tool is convenient for replacing the spring by disassembling and assembling the fixing plate.
According to the safety fool-proof device for machining the workpiece of the numerical control machine tool, the arrangement of the baffle plate can reduce the amount of silk materials and milling liquid generated by milling and entering the support frame.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view in partial cutaway of FIG. 1;
FIG. 3 is a schematic top view taken at A-A of FIG. 1;
FIG. 4 is a schematic top view taken at B-B of FIG. 1;
fig. 5 is an enlarged schematic view of a portion of fig. 4.
In the figure: the device comprises a mounting plate 1, a mounting hole 2, a support plate 3, a cylinder 4, a perforation 5, a clamping plate 6, a side plate 7, a through hole 8, a screw rod 9, a nut 10, a support frame 11, a sliding hole 12, a limiting needle 13, a spring 14, a placing groove 15, a fixing plate 16, a through hole 17, a screw 18, a thread groove 19, a thread hole 20, a lead screw 21, a rotating plate 22, a baffle 101 and a pressing plate 901.
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, 2, 3 and 4, a safety fool-proofing device for machining a workpiece of a numerical control machine tool comprises a mounting plate 1 and mounting holes 2 arranged on four sides of the mounting plate 1, wherein the mounting plate 1 is of a square plate structure, the mounting holes 2 are of a step round hole structure, hexagonal bolts are inserted into the mounting holes 2 and are screwed into threaded grooves arranged on a machining table, so that the mounting plate 1 can be stably installed on the numerical control milling machine tool, supporting plates 3 are symmetrically installed on the upper side and the lower side of the front surface of the mounting plate 1, the mounting plate 1 and the supporting plates 3 are of a fusion casting integrated piece, a cylinder 4 is installed on the supporting plates 3, the type of the cylinder 4 is SC100-25, the end part of the cylinder 4 contacts the outer corresponding end face of the supporting plate 3, a through hole 5 is arranged on the middle side of the mounting plate 1, the through hole 5 is of a round hole structure, a top shaft of the cylinder 4 is slidably, the clamp plate 6 is square plate structure, the preceding terminal surface of the rear end face sliding contact mounting panel 1 of clamp plate 6, the left and right sides symmetry welded connection of cylinder 4 has sideboard 7, sideboard 7 is square plate structure, be equipped with via hole 8 on the sideboard 7, via hole 8 is the round hole structure, the side welded connection has screw rod 9 about 3 outer corresponding terminal surfaces of backup pad, screw rod 9 wears out via hole 8 and locks through nut 10, when the nut 10 locking screw rod 9 of both sides, can be with cylinder 4 stable installation in backup pad 3.
Referring to fig. 1, 2, 3, 4 and 5, the left and right sides of the front end surface of the mounting plate 1 are symmetrically welded and connected with a support frame 11, the support frame 11 is of a U-shaped plate structure, the inner corresponding side of the support frame 11 is uniformly provided with a slide hole 12 along the vertical direction, the slide hole 12 is of a square hole structure, a limit needle 13 is inserted in the slide hole 12, the cross section of the limit needle 13 is square, the inner wall of the slide hole 12 is in sliding contact with the outer wall of the limit needle 13, the limit needle 13 cannot rotate in the slide hole 12 due to the square and sliding fit of the matched cross section of the slide hole 12 and the limit needle 13, the cross section width of the limit needle 13 is 2 mm, the limit needle 13 is made of stellite, the quality and the wear resistance is strong, the limit needle is not easy to bend, the spring 14 is sleeved on the limit needle 13, the spring 14 is of a compression and retraction type, the initial compression resilience of the spring 14 is 12 newtons, the pressing plate 901 can be elastically supported to be contacted with the fixing plate 16, the outer corresponding end of the limiting pin 13 is connected with the pressing plate 901 in a welding mode, the pressing plate 901 is of a circular plate structure, two ends of the spring 14 are respectively contacted with the pressing plate 901 and the supporting frame 11, the outer corresponding side of the supporting frame 11 is provided with the fixing plate 16, the fixing plate 16 is of a square plate structure, the upper end and the lower end of the outer corresponding side of the supporting frame 11 are provided with the placing grooves 15, the placing grooves 15 are of a square groove structure, the upper side and the lower side of the fixing plate 16 are slidably inserted into the placing grooves 15, the upper side and the lower side of the fixing plate 16 are provided with the through holes 17, the through holes 17 are of a round hole structure, the screws 18 are inserted into the through holes 17, the bottom side of the placing grooves 15 is provided with thread grooves 19, the screws 18 are in threaded connection with the thread grooves 19, screw hole 20 threaded connection lead screw 21, lead screw 21's outer corresponding end welded connection revolves board 22, revolve board 22 and be the plectane structure, at this moment, lead screw 21's interior corresponding end supports the pressure contact and supports clamp plate 901, revolve board 22 along the same direction, can be with lead screw 21 to medial direction rotary motion in screw hole 20, thereby support and support clamp plate 901, support frame 1's preceding interior corresponding side welded connection has baffle 101, baffle 101 is the right angle plate structure, baffle 101's setting, can reduce the silk material that mills the production and the volume that mills liquid entering support frame 11.
When the device is used, the two relatively flat ends of a first processed plate-shaped workpiece correspond to the clamping plates 6 on the two sides, after the top shaft of the air cylinder 4 is ejected out, the clamping plates 6 tightly press the two sides of the plate-shaped workpiece, each rotating plate 22 can be rotated clockwise or anticlockwise according to the width of each position of the left end and the right end of the plate-shaped workpiece, the screw 21 rotates and moves leftwards or rightwards in the screw hole 20, the limiting pins 13 move leftwards or rightwards under the elastic support of the spring 14 until each limiting pin 13 can contact the other two ends of the plate-shaped workpiece, the rotating plates 22 are stopped rotating, at the moment, the device can perform tool setting, after the processing is completed, when the air cylinder 4 is deflated and loses the abutting pressure on the plate-shaped workpiece, the plate-shaped workpiece can be taken out from between the limiting pins 13, when the same workpiece is processed in the later period, the plate-shaped workpiece can only be placed in corresponding to the fixed distance between the left side and the right side limiting, the cutter does not need to be reset, the safety and the efficiency are higher, the fool-proof effect is good, the elastic performance of the spring 14 is gradually reduced along with the lapse of time, in order to ensure the elastic supporting effect of the spring 14 on the abutting plate 901, the spring 14 can be selectively replaced, the screw 18 can be screwed out of the threaded groove 19, the fixing plate 16 can be pulled out of the placing groove 15, at the moment, a hairbrush can be used for brushing the processed silk material from the supporting frame 11, then the limit needle 13 is pulled out of the sliding hole 12, the spring 14 is pulled out of the limit needle 13, the new spring 14 is sleeved into the limit needle 13, the new limit needle 13 is inserted into the sliding hole 12, then the two sides of the fixing plate 16 are inserted into the placing groove 15, the screw 18 penetrates through the through hole 17, and the screw 18 is screwed in the threaded groove 19, so that the spring 14 is convenient to replace, the arrangement of the baffle plate 101 can reduce the amount of the milled silk material and the.
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 (6)

1. The utility model provides a digit control machine tool work piece processing safety prevents slow-witted device, includes mounting panel (1) and sets up mounting hole (2) in four sides of mounting panel (1), its characterized in that: support frame (11) have been installed to the other bilateral symmetry of mounting panel (1), one side of support frame (11) evenly is equipped with slide opening (12), stop pin (13) have been alternate in slide opening (12), the one end of stop pin (13) has been installed and has been supported clamp plate (901), fixed plate (16) have been installed to the opposite side of support frame (11), the position that corresponds each slide opening (12) on fixed plate (16) is equipped with silk hole (20), silk hole (20) threaded connection lead screw (21), revolve board (22) have been installed to the one end of lead screw (21).
2. The numerical control machine tool workpiece machining safety fool-proofing device of claim 1, which is characterized in that: backup pad (3) have been installed to the bilateral symmetry of mounting panel (1), backup pad (3) facial make-up is equipped with cylinder (4), the well side of mounting panel (1) is equipped with perforation (5), the apical axis of cylinder (4) runs through perforation (5), pinch-off blades (6) have been installed to the apical axis of cylinder (4).
3. The numerical control machine tool workpiece machining safety fool-proofing device of claim 2, which is characterized in that: the side plates (7) are symmetrically arranged on two sides of the air cylinder (4), through holes (8) are formed in the side plates (7), screw rods (9) are arranged on the supporting plate (3) and correspond to the through holes (8), and the screw rods (9) penetrate through the through holes (8) and are locked through nuts (10).
4. The numerical control machine tool workpiece machining safety fool-proofing device of claim 1, which is characterized in that: the limiting needle (13) is sleeved with a spring (14).
5. The numerical control machine tool workpiece machining safety fool-proofing device of claim 1, which is characterized in that: the two ends of the support frame (11) are provided with placing grooves (15), the two sides of the fixing plate (16) are inserted into the placing grooves (15), the two sides of the fixing plate (16) are provided with through holes (17), screws (18) are inserted into the through holes (17), one side of the placing grooves (15) is provided with thread grooves (19), and the screws (18) are in threaded connection with the thread grooves (19).
6. The numerical control machine tool workpiece machining safety fool-proofing device of claim 2, which is characterized in that: the front of the support frame (1) is provided with a baffle plate (101).
CN202010322282.2A 2020-04-22 2020-04-22 Fool-proof device for numerical control machine tool workpiece processing safety Active CN111360564B (en)

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Patentee before: Zhou Jianghong

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