CN111702512B - Positioning fixture of metal parts for numerical control machine tool - Google Patents
Positioning fixture of metal parts for numerical control machine tool Download PDFInfo
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- CN111702512B CN111702512B CN202010587860.5A CN202010587860A CN111702512B CN 111702512 B CN111702512 B CN 111702512B CN 202010587860 A CN202010587860 A CN 202010587860A CN 111702512 B CN111702512 B CN 111702512B
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- 239000002184 metal Substances 0.000 title claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 230000001681 protective effect Effects 0.000 claims description 22
- 230000017525 heat dissipation Effects 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 244000309464 bull Species 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 2
- 239000002912 waste gas Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4254—Allowing or improving visual supervision, e.g. lamps, transparent parts, windows
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2409—Arrangements for indirect observation of the working space using image recording means, e.g. a camera
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Machine Tool Units (AREA)
- Numerical Control (AREA)
Abstract
The invention discloses a positioning fixture for metal parts for a numerical control machine tool, which comprises a first mounting plate, a base, a second mounting plate and a positioning block, wherein a rotating mechanism is arranged on one side of the top end of the base, the second mounting plate is arranged inside the rotating mechanism, the first mounting plate is arranged on the other side of the top end of the base, limiting structures are arranged on one sides of the first mounting plate and the second mounting plate, and the positioning block is arranged on one side of each limiting structure. According to the invention, by arranging the adjusting mechanism, the hydraulic cylinder is started to drive the telescopic rod to stretch and push the second mounting plate to move under the assistance of the sliding block and the sliding groove, so that the distance between the first mounting plate and the second mounting plate is changed, metal parts with different widths in a certain range are clamped and fixed, the use is more convenient, and the movable rods on the two sides of the hydraulic cylinder can move together when the telescopic rod stretches, so that the first mounting plate can move more stably.
Description
Technical Field
The invention relates to the technical field of numerical control machine tool machining, in particular to a positioning clamp for a metal part for a numerical control machine tool.
Background
The numerical control machine tool is a lathe capable of controlling the numerical control machine tool, codes of corresponding operation steps are input into a controller and then transmitted to the lathe to enable the lathe to correspondingly process metal parts, required parts are manufactured, and in order to accurately process the parts in the metal processing process, the positioning fixture can be used for stably fixing the parts and then processing the parts.
However, the conventional positioning jig is inconvenient to adjust the distance between the jigs when in use, and is difficult to fix metal parts with different lengths in a certain range, so that a positioning jig for metal parts for a numerical control machine tool has been developed to solve the above problems.
Disclosure of Invention
The invention aims to provide a positioning clamp for metal parts for a numerical control machine tool, which aims to solve the problem that metal parts with different lengths in a certain range are difficult to fix in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a positioning clamp of a metal part for a numerical control machine tool comprises a first mounting plate, a base, a second mounting plate and a positioning block, a rotating mechanism is arranged on one side of the top end of the base, a second mounting plate is arranged inside the rotating mechanism, a first mounting plate is arranged on the other side of the top end of the base, an adjusting mechanism is arranged on one side of the first mounting plate, the adjusting mechanism comprises a fixed seat, a slide block, a chute, a hydraulic cylinder, a movable rod and a telescopic rod, the fixed seat is fixedly connected with the other side of the top end of the base, the top end of the fixed seat is fixedly connected with a hydraulic cylinder, one side of the hydraulic cylinder is fixedly connected with a telescopic rod, and the telescopic link runs through in one side of fixing base and one side fixed connection of first mounting panel, one side of first mounting panel and second mounting panel all is provided with limit structure, one side of limit structure all is provided with the locating piece.
Preferably, the both ends of telescopic link all are provided with the movable rod, and the movable rod all runs through in one side of fixing base and one side fixed connection of first mounting panel, the telescopic link is the symmetric distribution about the axis of fixing base.
Preferably, the spout sets up in the inside one side of base, the inside of spout is provided with the slider, and the top of slider and the bottom fixed connection of first mounting panel, the internal diameter of spout is greater than the external diameter of slider, constitute sliding structure between spout and the slider.
Preferably, limit structure includes handle, bull stick, fixed block and movable groove, the even fixed connection of fixed block is in first mounting panel and second mounting panel one side, and the fixed block is the annular distribution in one side of first mounting panel and second mounting panel, the inside of fixed block all is provided with the movable groove, and the inside in movable groove all runs through there is the bull stick, and one side of bull stick all with one side fixed connection of locating piece, the equal fixedly connected with handle in one side of bull stick.
Preferably, the inner side wall of the movable groove is uniformly provided with internal threads, the outer side wall of the rotating rod is uniformly provided with external threads, and a thread moving structure is formed between the rotating rod and the movable groove.
Preferably, rotary mechanism includes servo motor, guide ring and motor cabinet, motor cabinet fixed connection is in one side on base top, the top fixedly connected with servo motor of motor cabinet, and one side fixed connection of one side of servo motor through pivot and second mounting panel, the guide ring sets up the lateral wall in the second mounting panel.
Preferably, the method further comprises the following steps: a filter device, the filter device comprising:
the device comprises a protective cover, a connecting pipe, a first connecting pipe, a supporting rod, a fan, an exhaust port, a filter box and an adsorption box;
one end of the protective cover is arranged at the top end of the first mounting plate, the other end of the protective cover is arranged at the top end of the second mounting plate, air holes are formed in the protective cover, and a fan is arranged in the protective cover;
one end of the connecting pipe is connected with the protective cover, the other end of the connecting pipe is connected with a first connecting pipe, the other end of the first connecting pipe is connected with one end of a filter box, the other end of the filter box is connected with one end of an adsorption box, and the other end of the adsorption box is connected with an exhaust port;
a filter screen is arranged in the filter box, a protective cover is arranged on the front surface of the filter box, and a sealing ring is arranged at the joint of the protective cover and the filter box;
a supporting rod is arranged at the top end of the fixed seat, and the upper part of the supporting rod is connected with the first communicating pipe;
a camera is arranged in the filter box, and an alarm and a first controller are arranged on the communicating pipe;
the camera and the alarm are connected with the first controller, and the first controller is connected with the servo motor;
detecting whether the filter screen needs to be replaced or not according to the picture information of the filter screen acquired by the camera,
if necessary, the alarm controlled by the first controller carries out first alarm processing;
and if not, the alarm controlled by the first controller does not give an alarm.
Preferably, the method further comprises the following steps: a heat sink, the heat sink comprising:
a water inlet, a water outlet, a water pump, a radiating pipe and a second communicating pipe,
the water outlet is arranged on the first mounting plate, the other end of the water outlet is communicated with the radiating pipe, the other end of the radiating pipe is communicated with the second communicating pipe, and the other end of the second communicating pipe is communicated with the water inlet;
the limiting structure is provided with a temperature sensor and a second controller, the water pump is arranged in the heat dissipation pipe, and the temperature sensor and the water pump are connected with the second controller;
the second controller is used for calculating the heat dissipation rate theta of the metal part based on the heat dissipation device, and specifically comprises:
calculating the difference Δ Q between the heat quantity measured by the temperature sensor at the first time point and the heat quantity measured by the temperature sensor at the second time point according to the following formula:
ΔQ＝ε*(T1-T2)*ρV
wherein, T1Representing the temperature, T, of the metal part measured by said temperature sensor at a first point in time2Representing the temperature of the metal part measured by the temperature sensor at a second point in time, epsilon representing the specific heat capacity of the metal part, rho representing the density of the metal part, and V representing the volume of the metal part;
calculating the heat dissipation rate theta of the metal part based on the heat dissipation device according to the following formula:
wherein Δ Q represents a heat difference of the metal parts measured at a first time point and a second time point, Δ t represents a time difference of the first time point and the second time point, k represents a heat exchange coefficient of the radiating pipe, μ represents a thermal conductivity of the radiating pipe, r represents a radius of the radiating pipe, L represents a length of the radiating pipe, f represents a friction factor of the radiating pipe, and v represents a flow velocity of water in the radiating pipe;
and comparing the calculated heat dissipation rate theta with a preset value, and when the heat dissipation rate is greater than or equal to the preset value, performing second alarm processing by using the alarm controlled by the controller, and controlling the water pump to start pumping water.
Compared with the prior art, the invention has the beneficial effects that: the positioning fixture for the metal parts for the numerical control machine tool not only realizes the fixation of the metal parts with different lengths in a certain range, but also realizes the rotation of the parts, thereby being convenient for processing the metal parts with different angles and fixing the metal parts with different widths in a certain range;
(1) by arranging the adjusting mechanism on one side of the second mounting plate, the hydraulic cylinder is started to drive the telescopic rod to stretch and push the second mounting plate to move under the assistance of the sliding block and the sliding groove, so that the distance between the first mounting plate and the second mounting plate is changed, metal parts with different widths in a certain range are clamped and fixed, the use is more convenient, and the movable rods on the two sides of the hydraulic cylinder can move together when the telescopic rod stretches, so that the first mounting plate can move more stably;
(2) the rotating mechanism is arranged on one side of the first mounting plate, and the servo motor on the starting motor base can drive the second mounting plate to stably rotate in the guide ring, so that the metal part clamped by the positioning block is driven to rotate, numerical control processing on different angles of the metal part is facilitated, time is effectively saved, and working efficiency is improved;
(3) the limiting structures are arranged on one sides of the first mounting plate and the second mounting plate, the handle is held, the rotating rod is rotated, the positioning block on one side of the rotating rod is driven to move, metal parts are clamped, the use is convenient, objects with different widths in a certain range are clamped conveniently, and the practicability of the clamp is effectively improved.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of the limiting structure of the present invention;
FIG. 3 is a schematic top view of the adjusting mechanism of the present invention;
FIG. 4 is a schematic side view of the rotating mechanism of the present invention;
FIG. 5 is another schematic structural view of the present invention;
fig. 6 is a schematic structural diagram of a heat dissipation device of the present invention.
In the figure: 1. a limiting structure; 101. a grip; 102. a rotating rod; 103. a fixed block; 104. a movable groove; 2. a first mounting plate; 3. an adjustment mechanism; 301. a fixed seat; 302. a slider; 303. a chute; 304. a hydraulic cylinder; 305. a movable rod; 306. a telescopic rod; 4. a base; 5. a rotation mechanism; 501. a servo motor; 502. a guide ring; 503. a motor base; 6. a second mounting plate; 7. and (5) positioning the blocks.
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. 1-4, an embodiment of the present invention is shown: a positioning clamp for metal parts for a numerical control machine tool comprises a first mounting plate 2, a base 4, a second mounting plate 6 and a positioning block 7;
the other side of the top end of the base 4 is provided with a first mounting plate 2, one side of the first mounting plate 2 is provided with an adjusting mechanism 3, the adjusting mechanism 3 comprises a fixed seat 301, a sliding block 302, a sliding groove 303, a hydraulic cylinder 304, a movable rod 305 and a telescopic rod 306, the fixed seat 301 is fixedly connected to the other side of the top end of the base 4, the top end of the fixed seat 301 is fixedly connected with the hydraulic cylinder 304, the type of the hydraulic cylinder 304 can be J64RT2UNIVER, the input end of the hydraulic cylinder 304 is electrically connected with the output end of a control panel through a wire, one side of the hydraulic cylinder 304 is fixedly connected with the telescopic rod 306, the telescopic rod 306 penetrates through one side of the fixed seat 301 and is fixedly connected with one side of the first mounting plate 2, the two ends of the telescopic rod 306 are both provided with the movable rods 305, the movable rods 305 all penetrate through one side of the fixed seat, the sliding groove 303 is arranged on one side inside the base 4, the sliding block 302 is arranged inside the sliding groove 303, the top end of the sliding block 302 is fixedly connected with the bottom end of the first mounting plate 2, the inner diameter of the sliding groove 303 is larger than the outer diameter of the sliding block 302, and a sliding structure is formed between the sliding groove 303 and the sliding block 302;
specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, when metal parts with different widths and lengths are positioned, the hydraulic cylinder 304 can be started to drive the telescopic rod 306 to stretch and push the first mounting plate 2, so that the first mounting plate 2 changes the distance between the first mounting plate 2 and the second mounting plate 6 through the sliding of the sliding block 302 in the sliding groove 303, and the metal parts are fixed after being adjusted to a proper distance;
a rotating mechanism 5 is arranged on one side of the top end of the base 4, a second mounting plate 6 is arranged inside the rotating mechanism 5, the rotating mechanism 5 comprises a servo motor 501, a guide ring 502 and a motor base 503, the motor base 503 is fixedly connected to one side of the top end of the base 4, the servo motor 501 is fixedly connected to the top end of the motor base 503, the type of the servo motor 501 can be ASD-A2, the input end of the servo motor 501 is electrically connected with the output end of the control panel through a lead, one side of the servo motor 501 is fixedly connected with one side of the second mounting plate 6 through a rotating shaft, and the guide ring 502 is arranged on the outer side wall of the second mounting;
specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, when different angles of the metal parts need to be machined, the rotating rod 102 on the first mounting plate 2 can be rotated to drive the positioning block 7 to be separated from the metal parts, a certain rotating space is reserved, the second mounting plate 6 is kept still, then the servo motor 501 is started to drive the second mounting plate 6 to stably rotate in the guide ring 502, so that the angles of the clamped metal parts on the first mounting plate 2 and the second mounting plate 6 are changed, and the numerical control machining of the metal parts is facilitated;
one side of the first mounting plate 2 and one side of the second mounting plate 6 are both provided with a limiting structure 1, one side of the limiting structure 1 is provided with a positioning block 7, the limiting structure 1 comprises a handle 101, a rotating rod 102, a fixing block 103 and a movable groove 104, the fixing block 103 is uniformly and fixedly connected to one side of the first mounting plate 2 and one side of the second mounting plate 6, the fixing block 103 is annularly distributed on one side of the first mounting plate 2 and one side of the second mounting plate 6, the movable groove 104 is formed in the fixing block 103, the rotating rod 102 penetrates through the movable groove 104, one side of the rotating rod 102 is fixedly connected with one side of the positioning block 7, the handle 101 is fixedly connected to one side of the rotating rod 102, internal threads are uniformly formed on the inner side wall of the movable groove 104, external threads are uniformly formed on the outer side wall of the rotating rod 102, and a thread moving;
specifically, as shown in fig. 1 and 2, when using this mechanism, first, one end of the metal part to be clamped is placed in the middle of the positioning block 7 on the first mounting plate 2, then the grip 101 is held and the rotating rod 102 is rotated sequentially through the movable groove 104 in the fixing block 103 to drive the positioning block 7 to move, so that the metal part is clamped and fixed up, down, left and right, and the other end of the metal part is placed in the middle of the positioning block 7 in the middle of the second mounting plate 6, thereby completing the fixing of the metal part.
The working principle is as follows: when the metal part positioning clamp is used, the metal part positioning clamp is externally connected with a power supply, firstly, one end of a metal part to be clamped is placed in the middle of the positioning block 7 on the first mounting plate 2, then the handle 101 is held to rotate the rotating rod 102 through the movable groove 104 in the fixing block 103 in sequence to drive the positioning block 7 to move, and the metal part is clamped and fixed up, down, left and right;
secondly, starting a hydraulic cylinder 304 to drive the telescopic rod 306 to stretch and push the first mounting plate 2, so that the distance between the first mounting plate 2 and the second mounting plate 6 is changed by the sliding of the sliding block 302 in the sliding groove 303 of the first mounting plate 2, after the distance is adjusted to a proper distance, one unfixed end of the metal part is placed in a positioning block 7 on the first mounting plate 2, then holding the handle 101 to rotate the rotating rod 102 through the movable groove 104 in the fixing block 103 to drive the positioning block 7 to move, clamping and fixing the metal part up, down, left and right, and completing the positioning and fixing of the metal part, so that the next processing can be continued;
finally, when different angles of metal need to be processed, the rotating rod 102 on the first mounting plate 2 can be rotated firstly, the positioning block 7 and the metal part are driven to be separated, a certain rotating space is reserved, the second mounting plate 6 is kept still, then the servo motor 501 is started, the second mounting plate 6 is driven to stably rotate in the guide ring 502, the angles of the clamped metal parts on the first mounting plate 2 and the second mounting plate 6 are changed, numerical control processing is convenient to be carried out on the metal parts, and finally the positioning work of the metal parts is completed.
The present invention provides an embodiment: a positioning jig for a metal part for a numerical control machine tool, as shown in fig. 5, further comprising: a filter device 8, said filter device 8 comprising:
a shield 806, a connection pipe 805, a first connection pipe 804, a support bar 809, a fan 807, an exhaust port 801, a filter tank 803, and an adsorption tank 802;
one end of the protective cover 806 is arranged at the top end of the first mounting plate 2, the other end of the protective cover 806 is arranged at the top end of the second mounting plate 6, an air hole 808 is arranged on the protective cover 806, and a fan 807 is arranged in the protective cover 806;
one end of the connection pipe 805 is connected to the shield 806, the other end of the connection pipe 805 is connected to the first communication pipe 804, the other end of the first communication pipe 804 is connected to one end of the filter tank 803, the other end of the filter tank 803 is connected to one end of the adsorption tank 802, and the other end of the adsorption tank 802 is connected to the exhaust port 801;
a filter screen is arranged in the filter box 802, a protective cover is arranged on the front surface of the filter box, and a sealing ring is arranged at the joint of the protective cover and the filter box;
a support rod 809 is arranged at the top end of the fixed seat 301, and a first communication pipe 804 is connected above the support rod;
a camera is arranged inside the filter tank 803, and an alarm and a first controller are arranged on the communicating pipe 804;
the camera and the alarm are connected with the first controller, and the first controller is connected with the servo motor 501;
detecting whether the filter screen needs to be replaced or not according to the picture information of the filter screen acquired by the camera,
if necessary, the alarm controlled by the first controller carries out first alarm processing;
and if not, the alarm controlled by the first controller does not give an alarm.
The beneficial effect of above-mentioned design is: when the metal part is processed, the fan is started to suck waste gas generated in processing into the filter box through the communicating pipe, and the waste gas is finally output through the exhaust port through the filter box and the adsorption box; this process utilizes the waste gas that the fan produced in with the course of working to filter solid impurity and harmful gas wherein through the rose box, adsorbs the peculiar smell in the waste gas through the adsorption tank again, has avoided the injury to the human body, has increased this positioning fixture's feature of environmental protection.
The present invention provides an embodiment: a positioning jig for a metal part for a numerical control machine tool, as shown in fig. 6, further comprising: a heat sink 9, the heat sink 9 comprising:
a water inlet 901, a water outlet 905, a water pump 903, a radiating pipe 904 and a second communicating pipe 902,
the water outlet 905 is arranged on the first mounting plate 2, the other end of the water outlet 905 is communicated with the radiating pipe 904, the other end of the radiating pipe 904 is communicated with the second communicating pipe 902, and the other end of the second communicating pipe 902 is communicated with the water inlet 901;
a temperature sensor and a second controller are arranged on the limiting structure 1, a water pump 903 is arranged in the radiating pipe 904, and the temperature sensor and the water pump 903 are connected with the second controller;
the second controller is used for calculating the heat dissipation rate theta of the metal part based on the heat dissipation device 9, and specifically comprises:
calculating the difference Δ Q between the heat quantity measured by the temperature sensor at the first time point and the heat quantity measured by the temperature sensor at the second time point according to the following formula:
ΔQ＝ε*(T1-T2)*ρV
wherein, T1Representing the temperature, T, of the metal part measured by said temperature sensor at a first point in time2Representing the temperature of the metal part measured by the temperature sensor at a second point in time, epsilon representing the specific heat capacity of the metal part, rho representing the density of the metal part, and V representing the volume of the metal part;
calculating the heat dissipation rate theta of the metal part based on the heat dissipation device according to the following formula:
wherein Δ Q represents a difference in heat quantity of the metal parts measured at the first time point and the second time point, Δ t represents a difference in time between the first time point and the second time point, k represents a heat transfer coefficient of the radiating pipe 904, μ represents a thermal conductivity of the radiating pipe 904, r represents a radius of the radiating pipe 904, L represents a length of the radiating pipe 904, f represents a friction factor of the radiating pipe 904, and v represents a flow rate of water in the radiating pipe 904;
and comparing the calculated heat dissipation rate theta with a preset value, and when the heat dissipation rate is greater than or equal to the preset value, performing second alarm processing by using the alarm controlled by the controller, and controlling the water pump to start pumping water.
The beneficial effect of above-mentioned design is: based on the metal parts of second controller control water pump in to the processing is cooled down and is handled, its process is during water enters into the cooling tube from the water inlet, when needs cool down, and controller control water pump discharges water to the delivery port, and temperature sensor detects metal parts's temperature simultaneously, whether reaches the cooling effect, reports to the police through the alarm and reminds, and controller control water pump adjustment water yield is up to reaching anticipated cooling effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a metal parts's positioning fixture for digit control machine tool, includes first mounting panel (2), base (4), second mounting panel (6) and locating piece (7), its characterized in that: a rotating mechanism (5) is arranged on one side of the top end of the base (4), a second mounting plate (6) is arranged inside the rotating mechanism (5), a first mounting plate (2) is arranged on the other side of the top end of the base (4), an adjusting mechanism (3) is arranged on one side of the first mounting plate (2), the adjusting mechanism (3) comprises a fixing seat (301), a sliding block (302), a sliding groove (303), a hydraulic cylinder (304), a movable rod (305) and a telescopic rod (306), the fixing seat (301) is fixedly connected to the other side of the top end of the base (4), the top end of the fixing seat (301) is fixedly connected with the hydraulic cylinder (304), the telescopic rod (306) is fixedly connected to one side of the hydraulic cylinder (304), and the telescopic rod (306) penetrates through one side of the fixing seat (301) and is fixedly connected to one side, one side of each of the first mounting plate (2) and the second mounting plate (6) is provided with a limiting structure (1), and one side of each limiting structure (1) is provided with a positioning block (7);
further comprising a heat sink (9), the heat sink (9) comprising:
a water inlet (901), a water outlet (905), a water pump (903), a radiating pipe (904) and a second communicating pipe (902),
the water outlet (905) is arranged on the first mounting plate (2), the other end of the water outlet (905) is communicated with the radiating pipe (904), the other end of the radiating pipe (904) is communicated with the second communicating pipe (902), and the other end of the second communicating pipe (902) is communicated with the water inlet (901);
a temperature sensor and a second controller are arranged on the limiting structure (1), a water pump (903) is arranged in the radiating pipe (904), and the temperature sensor and the water pump (903) are connected with the second controller;
the second controller is used for calculating the heat dissipation rate of the metal part based on the heat dissipation device (9)
The method specifically comprises the following steps:
calculating the difference between the heat amounts measured by the temperature sensor at the first time point and the second time point according to the following formula
：
Wherein,
representing the temperature of the metal part measured by the temperature sensor at a first point in time,
indicating the temperature of the metal part measured by the temperature sensor at a second point in time,
represents the specific heat capacity of the metal part,
the density of the metal part is expressed,
representing the volume of the metal part;
calculating the heat dissipation rate of the metal part based on the heat dissipation device (9) according to the following formula
：
Wherein,
representing the difference in heat of the metal part measured at the first point in time and the second point in time,
represents a time difference between the first time point and the second time point, k represents a heat exchange coefficient of the radiating pipe (904),
represents the thermal conductivity of the radiating pipe (904), r represents the radius of the radiating pipe (904), L represents the length of the radiating pipe (904), f represents the friction factor of the radiating pipe (904), and v represents the flow rate of water in the radiating pipe (904);
calculated heat dissipation rate
And comparing the heat dissipation rate with a preset value, and when the heat dissipation rate is greater than or equal to the preset value, performing second alarm processing by using the alarm controlled by the controller, and controlling the water pump to start pumping water.
2. The positioning jig for metal parts for numerical control machine tools according to claim 1, characterized in that: the both ends of telescopic link (306) all are provided with movable rod (305), and movable rod (305) all run through in one side of fixing base (301) and one side fixed connection of first mounting panel (2), telescopic link (306) are the symmetric distribution about the axis of fixing base (301).
3. The positioning jig for metal parts for numerical control machine tools according to claim 1, characterized in that: spout (303) set up in the inside one side of base (4), the inside of spout (303) is provided with slider (302), and the top of slider (302) and the bottom fixed connection of first mounting panel (2), the internal diameter of spout (303) is greater than the external diameter of slider (302), constitute sliding structure between spout (303) and slider (302).
4. The positioning jig for metal parts for numerical control machine tools according to claim 1, characterized in that: limiting structure (1) includes handle (101), bull stick (102), fixed block (103) and activity groove (104), the even fixed connection in first mounting panel (2) and second mounting panel (6) one side of fixed block (103), and fixed block (103) are the annular and distribute in one side of first mounting panel (2) and second mounting panel (6), the inside of fixed block (103) all is provided with activity groove (104), and the inside in activity groove (104) all runs through bull stick (102), and one side of bull stick (102) all with one side fixed connection of locating piece (7), the equal fixedly connected with handle (101) in one side of bull stick (102).
5. The positioning jig for metal parts for numerical control machine tools according to claim 4, characterized in that: the inner side wall of the movable groove (104) is uniformly provided with internal threads, the outer side wall of the rotating rod (102) is uniformly provided with external threads, and a thread moving structure is formed between the rotating rod (102) and the movable groove (104).
6. The positioning jig for metal parts for numerical control machine tools according to claim 1, characterized in that: rotary mechanism (5) include servo motor (501), guide ring (502) and motor cabinet (503), motor cabinet (503) fixed connection is in one side on base (4) top, the top fixedly connected with servo motor (501) of motor cabinet (503), and one side of servo motor (501) is through one side fixed connection of pivot and second mounting panel (6), guide ring (502) set up in the lateral wall of second mounting panel (6).
7. The positioning jig for metal parts for numerical control machine tools according to claim 6, characterized in that: further comprising: -a filtering device (8), the filtering device (8) comprising:
the device comprises a protective cover (806), a connecting pipe (805), a first connecting pipe (804), a supporting rod (809), a fan (807), an exhaust port (801), a filter box (803) and an adsorption box (802);
one end of the protective cover (806) is arranged at the top end of the first mounting plate (2), the other end of the protective cover (806) is arranged at the top end of the second mounting plate (6), air holes (808) are formed in the protective cover (806), and a fan (807) is arranged in the protective cover (806);
one end of the connecting pipe (805) is connected with the protective cover (806), the other end of the connecting pipe (805) is connected with a first connecting pipe (804), the other end of the first connecting pipe (804) is connected with one end of a filter tank (803), the other end of the filter tank (803) is connected with one end of an adsorption tank (802), and the other end of the adsorption tank (802) is connected with an exhaust port (801);
a filter screen is arranged in the filter box (803), a protective cover is arranged on the front surface of the filter box, and a sealing ring is arranged at the joint of the protective cover and the filter box;
a support rod (809) is arranged at the top end of the fixed seat (301), and a first communication pipe (804) is connected above the support rod;
a camera is arranged in the filter box (803), and an alarm and a first controller are arranged on the first communication pipe (804);
the camera and the alarm are connected with the first controller, and the first controller is connected with the servo motor (501);
detecting whether the filter screen needs to be replaced or not according to the picture information of the filter screen acquired by the camera,
if necessary, the alarm controlled by the first controller carries out first alarm processing;
and if not, the alarm controlled by the first controller does not give an alarm.
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| CN202010587860.5A CN111702512B (en) | 2020-06-24 | 2020-06-24 | Positioning fixture of metal parts for numerical control machine tool |
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| CN202010587860.5A CN111702512B (en) | 2020-06-24 | 2020-06-24 | Positioning fixture of metal parts for numerical control machine tool |
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| CN111702512B true CN111702512B (en) | 2021-06-25 |
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| CN114378521A (en) * | 2022-03-24 | 2022-04-22 | 徐州以勒电器科技有限公司 | Welding positioning device with workpiece protection function |
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| CN108723419A (en) * | 2018-06-25 | 2018-11-02 | 苏州安特实业有限公司 | A kind of processing unit (plant) of hardware |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CH604993A5 (en) * | 1975-05-06 | 1978-09-29 | Baruffaldi Frizioni Spa | |
| CH653270A5 (en) * | 1980-10-10 | 1985-12-31 | John A Watkins | DRILLING MACHINE WITH INTERMITTENT RETURN. |
| CN206925586U (en) * | 2017-04-19 | 2018-01-26 | 卢东杰 | A kind of Digit Control Machine Tool clamping device |
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| CN111702512A (en) | 2020-09-25 |
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Effective date of registration: 20221020 Address after: 252000 Baililai science and Technology Pioneer Park, Lushan Road, Liaocheng Economic Development Zone, Shandong Province Patentee after: Shandong Liaocheng Zhongtai Watch Industry Co.,Ltd. Address before: 510665 room 909c, Jiayue building, 38 Zhongshan Avenue, Tianhe District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Nandan Technology Co.,Ltd. |