CN112605744A - Online C-shaped measuring device for numerical control roll grinder - Google Patents

Online C-shaped measuring device for numerical control roll grinder Download PDF

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Publication number
CN112605744A
CN112605744A CN202011590158.0A CN202011590158A CN112605744A CN 112605744 A CN112605744 A CN 112605744A CN 202011590158 A CN202011590158 A CN 202011590158A CN 112605744 A CN112605744 A CN 112605744A
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CN
China
Prior art keywords
measuring
seat
arm
shaped
seats
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Pending
Application number
CN202011590158.0A
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Chinese (zh)
Inventor
龙连念
武孔平
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Guiyang Xianfeng Machine Tool Works Co ltd
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Guiyang Xianfeng Machine Tool Works Co ltd
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Application filed by Guiyang Xianfeng Machine Tool Works Co ltd filed Critical Guiyang Xianfeng Machine Tool Works Co ltd
Priority to CN202011590158.0A priority Critical patent/CN112605744A/en
Publication of CN112605744A publication Critical patent/CN112605744A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/37—Single-purpose machines or devices for grinding rolls, e.g. barrel-shaped rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
    • B24B49/04—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent involving measurement of the workpiece at the place of grinding during grinding operation
    • B24B49/045—Specially adapted gauging instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/35—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition

Abstract

The invention relates to an online C-shaped measuring device for a numerical control roll grinder, which comprises a mounting seat and a C-shaped measuring arm, wherein a telescopic piece is arranged between the C-shaped measuring arm and the mounting seat, and the telescopic piece is in transmission connection with the C-shaped measuring arm and is used for driving the upper end of the C-shaped measuring arm to be close to or far away from a workpiece; two measuring seats are oppositely arranged on one side, facing the workpiece, of the upper end of the C-shaped measuring arm, measuring rods are arranged on the measuring seats, measuring heads abutted against the side wall of the workpiece are arranged at one ends of the measuring rods, and short gratings for detecting contact change between the measuring heads and the workpiece are arranged on each measuring seat; the C-shaped measuring arm is provided with a transmission mechanism and a long grating for positioning the positions of the two measuring seats. The invention has higher measurement precision, is beneficial to reducing the interference of the movement of the C-shaped measuring arm on the measurement, can switch between the working position and the non-working position, and more accurately measures the roll diameter, the roll shape, the roundness and the cylindricity of the roll.

Description

Online C-shaped measuring device for numerical control roll grinder
Technical Field
The invention relates to the technical field of machining measurement, in particular to an online C-shaped measuring device for a numerical control roll grinder.
Background
The grinding machine is an important corollary device of a steel plate rolling production line, and a measuring device is required to measure parameters of a roller in the production process so as to control the grinding machine to precisely process the roller.
At present, the measuring device with two measuring points (oppositely arranged on two sides of a roller) or one measuring point adopted on a roller grinder mainly has the following defects: 1. due to structural limitation, edge grinding measurement of the roller cannot be realized, and the grinding efficiency of the roller and the grinding precision of the roller are seriously influenced; 2. the measuring devices are usually configured to be mobile, resulting in low measurement accuracy and poor stability; 3. the roll diameter of the roll can not be measured by a single measuring point, and only the roll shape, the roundness, the cylindricity and the like of the roll can be measured, so that the requirements of customers on the grinding machine are not met.
Disclosure of Invention
The invention provides an online C-shaped measuring device for a numerical control roll grinder, which is simple in transmission, convenient to control and capable of measuring the roll diameter, the roll shape, the roundness and the cylindricity of a roll with high precision, and aims to solve at least one technical problem.
The technical scheme for solving the technical problems is as follows:
an online C-shaped measuring device for a numerical control roll grinder comprises a mounting seat and a C-shaped measuring arm, wherein the mounting seat and the C-shaped measuring arm are arranged on the side surface of a grinder 1, one side of the mounting seat is fixedly connected with the side wall of the grinder, the lower end of the C-shaped measuring arm is hinged with the mounting seat in a rotating manner, a telescopic piece is arranged between the C-shaped measuring arm and the mounting seat, one end of the telescopic piece is rotatably connected with the mounting seat, and the other end of the telescopic piece is in transmission connection with the C-shaped measuring arm and is used for driving the upper end of the C-shaped measuring arm to be close to or far away from a workpiece on the;
two measuring seats are oppositely arranged on one side, facing the workpiece, of the upper end of the C-shaped measuring arm, the two measuring seats are connected with a linear guide rail on the C-shaped measuring arm in a sliding mode, a measuring rod is arranged on each measuring seat, one end of each measuring rod is provided with a measuring head which is in contact and abutted with the side wall of the workpiece, each measuring rod is connected with the corresponding measuring seat, and each measuring seat is provided with a short grating for detecting contact change between the measuring head 7 and the workpiece;
and the C-shaped measuring arm is provided with a transmission mechanism for transmitting the two measuring seats to be close to or far away from each other and a long grating for positioning the two measuring seats.
The invention has the beneficial effects that: compared with the prior art, the online C-shaped measuring device for the numerical control roll grinder has the following advantages: 1. the C-shaped measuring arm is fixed with the grinding machine through the mounting seat, so that the measuring precision is higher, and the interference of the movement of the C-shaped measuring arm on the measurement is reduced; 2. the telescopic piece can be used for driving the C-shaped measuring arm to switch between the working position and the non-working position, so that the use is more flexible; 3. the measuring seat is provided with the long grating and the short grating, the long grating can position a workpiece, the short grating can measure slight change of contact between the measuring head and the workpiece, and the roll diameter, the roll shape, the roundness and the cylindricity of the roll can be measured more accurately.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, drive mechanism is including motor, speed reducer and the two-way lead screw subassembly of transmission connection in proper order, two-way lead screw subassembly and two the measurement seat transmission is connected.
The beneficial effect of adopting the further scheme is that: adopt the two-way lead screw subassembly of transmission that motor and speed reducer can be better for it is more accurate that the measuring seat is close to each other or is kept away from.
Furthermore, two-way lead screw subassembly includes bearing frame and two-way lead screw, the output of speed reducer with the one end transmission of two-way lead screw is connected, the both ends of two-way lead screw all are provided with the bearing frame, the bearing frame with C type measures arm fixed connection, two-way lead screw pass through the bearing with the bearing frame rotates to be connected, two all be provided with the nut seat on the measurement seat, the nut seat suit in the two-way lead screw outside, just two-way lead screw passes through the nut seat with measure the seat transmission and be connected.
The beneficial effect of adopting the further scheme is that: the bidirectional screw rod can drive the measuring seat to move synchronously, and the measurement is more accurate.
Furthermore, both ends of the bidirectional screw rod are sleeved with locking nuts.
The beneficial effect of adopting the further scheme is that: adopt lock nut can be effectual two-way lead screw pivoted stability and more accurate.
Furthermore, an induction part is arranged between the measuring rod and the short grating, one end of the induction part is connected with the measuring rod, and the other end of the induction part is connected with the short grating.
The beneficial effect of adopting the further scheme is that: the sensing piece can conduct the change of the contact between the measuring head and the workpiece, and the short grating measurement is more accurate.
Furthermore, the measuring rod is connected with the measuring seat through a torsion spring.
The beneficial effect of adopting the further scheme is that: the torsional spring can adapt to the deformation between measuring stick and the measuring seat to can the effectual transmission measuring head and the contact change between the work piece, can be more accurate measurement work piece's roller diameter, roll shape, circularity and cylindricity like this through short grating.
Furthermore, a travel switch is arranged on the side surface of the measuring rod.
The beneficial effect of adopting the further scheme is that: the travel switch can effectively protect the short grating and reduce the risk of damage to the short grating caused by external factors.
Furthermore, the travel switch is a contactless travel switch.
Furthermore, the side of the measuring rod is provided with a supporting screw, one end of the supporting screw is abutted to the measuring rod, and the supporting screw is in threaded connection with the measuring seat.
The beneficial effect of adopting the further scheme is that: the set screw enables the pre-compression of the short grating to be adjusted.
Furthermore, the telescopic piece is a telescopic oil cylinder.
The beneficial effect of adopting the further scheme is that: the stability of the telescopic oil cylinder transmission is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a bi-directional lead screw assembly of the present invention;
FIG. 3 is a schematic structural diagram of a measuring base according to the present invention;
FIG. 4 is a schematic sectional view of the H-H structure shown in FIG. 3 according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. grinding machine; 2. a C-shaped measuring arm; 3. a telescoping member; 4. a mounting seat; 5. a measuring seat; 6. a measuring rod; 7. a measuring head; 8. a long grating; 9. short gratings; 10. a linear guide rail; 11. a transmission mechanism; 111. a motor; 112. a speed reducer; 113. a bidirectional lead screw assembly; 1131. a bidirectional screw rod; 1132. a nut seat; 1133. a bearing seat; 1134. locking the nut; 12. a sensing member; 13. a travel switch; 14. supporting a screw; 15. a torsion spring; 16. and (5) a workpiece.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1-4, the core of the present invention is to provide an online C-type measuring device for a numerically controlled roll grinder, which uses a workpiece 16 on a worktable of a measuring grinder 1, and includes a mounting seat 4 and a C-type measuring arm 2, the mounting seat 4 is fixed on a side surface of the grinder 1, a lower end of the C-type measuring arm 2 is hinged and rotatably connected with the mounting seat 4, an extensible member 3 is disposed between the C-type measuring arm 2 and the mounting seat 4, one end of the extensible member 3 is rotatably connected with the mounting seat 4, and the other end of the extensible member 3 is in transmission connection with the C-type measuring arm 2 for driving an upper end of the C-type measuring arm 2 to approach or leave the workpiece 16.
In this embodiment, the mounting seat 4 is fixedly connected to the side wall of the grinding machine 1, a workpiece 16 transmission device is arranged on the grinding machine 1, the workpiece 16 transmission device is used for enabling a transmission member to move along the axis direction and can transmit the workpiece 16 to rotate, and the roll diameter, the roll shape, the roundness and the cylindricity are measured through the C-shaped measuring arm 2.
The upper end of C type measuring arm 2 is provided with two measuring seats 5 towards one side of work piece 16 relatively, the one end of two measuring seats 5 all with C type measuring arm 2 on linear guide 10 sliding connection, be provided with measuring stick 6 on the other end of measuring seat 5, the one end of measuring stick 6 is provided with the measuring head 7 with 16 lateral walls contact butt of work piece, measuring stick 6 is connected with measuring seat 5, all be provided with on every measuring seat 5 and be used for detecting the short grating 9 of contact change between measuring head 7 and the work piece 16.
The C-shaped measuring arm 2 is provided with a transmission mechanism 11 for transmitting the two measuring seats 5 to approach or depart from each other and a long grating 8 for positioning the two measuring seats 5.
It should be noted that, a movable opening for extending one end of the measuring base 5 is arranged on one side of the C-shaped measuring arm 2 facing the workpiece 16, a corrugated protective cover is arranged in the movable opening, one end of the measuring base 5 penetrating through the protective cover is connected with the measuring rod 6, the C-shaped measuring arm 2 comprises a crank arm and a straight arm which are connected into a whole, one end of the crank arm is hinged with the mounting base 4, one end of the telescopic part 3 is hinged with the middle part of the crank arm, the straight arm is driven by the crank arm to be close to or far away from the workpiece 16 when the telescopic arm is telescopic, the two measuring bases 5 are arranged on one side of the support arm facing the workpiece 16, two linear guide rails 10 are arranged in parallel in the straight arm, the side of the nut base 1132 is connected with the two linear guide rails 10 in a sliding manner, the transmission mechanism 11 is arranged between the two linear guide rails 10, so that the transmission stability is better, the long grating 8 is arranged in parallel with, the displacement of the measuring seat 5 is measured, and an inductive switch is arranged on the straight arm corresponding to the measuring seat 5 so as to limit the sliding position of the measuring seat 5.
Preferably, the transmission mechanism 11 comprises a motor 111, a speed reducer 112 and a bidirectional screw rod assembly 113 which are sequentially connected in a transmission manner, and the bidirectional screw rod assembly 113 is connected with the two measuring seats 5 in a transmission manner.
Preferably, the bidirectional screw assembly 113 includes a bearing seat 1133 and a bidirectional screw 1131, the output end of the speed reducer 112 is in transmission connection with one end of the bidirectional screw 1131, the two ends of the bidirectional screw 1131 are both provided with the bearing seats 1133, the bearing seats 1133 are fixedly connected with the C-type measuring arm 2, the bidirectional screw 1131 is rotatably connected with the bearing seats 1133 through bearings, two measuring seats 5 are both provided with nut seats 1132, the nut seats 1132 are sleeved outside the bidirectional screw 1131, and the bidirectional screw 1131 is in transmission connection with the measuring seats 5 through the nut seats 1132.
It should be noted that one end of the bidirectional screw rod 1131 is provided with a left-handed thread, the other end of the bidirectional screw rod 1131 is provided with a right-handed thread, the right-handed thread has a reverse direction to the left-handed thread, one nut seat 1132 is in threaded connection with the left-handed thread, and the other nut seat 1132 is in threaded connection with the right-handed thread, when the bidirectional screw rod 1131 rotates, the two nut seats 1132 can be driven to be close to or away from each other under the transmission action of the left-handed thread and the right-handed thread, so that the measuring heads 7 on the two measuring rods 6 can be driven to be in contact-contact with the.
It should be further noted that the nut seat 1132 adopts a backlash nut to reduce a transmission gap between the left-hand thread and the right-hand thread and improve transmission accuracy, and the nut seat 1132 is fixedly connected with the measuring seat 5; the output end of the speed reducer 112 is in transmission connection with one end of the bidirectional screw rod 1131 through a coupler.
Preferably, the two ends of the bidirectional screw 1131 are sleeved with locking nuts 1134.
It should be noted that the locking nuts 1134 at two ends of the bidirectional screw 1131 are respectively arranged on one side of the two bearing seats 1133, which are away from each other, a spacer is arranged between the locking nut 1134 and the bearing seats 1133, the spacer is sleeved on the outer side of the bidirectional screw 1131, and the spacer is abutted against the inner ring side wall of the bearing, so that the locking nut 1134 can effectively lock the bidirectional screw 1131, reduce the influence of the bending deformation of the bidirectional screw 1131 on the transmission of the measuring seat 5, and improve the accuracy of measurement; it should be noted that the bearing is a rolling bearing.
Preferably, a sensing part 12 is arranged between the measuring rod 6 and the short grating 9, one end of the sensing part 12 is connected with the measuring rod 6, and the other end of the sensing part 12 is connected with the short grating 9.
Preferably, the measuring rod 6 is connected with the measuring base 5 through a torsion spring 15.
It should be noted that, after the bidirectional screw 1131 drives the measuring seat 5 to approach each other so that the measuring head 7 contacts and abuts against the workpiece 16, under the reaction force on the surface of the workpiece 16, the torsion spring 15 is stably compressed by the action of the measuring rod 6 to adapt to the deformation of the contact on the measuring head 7, and meanwhile, the contact change fluctuation between the measuring head 7 and the workpiece 16 causes the short grating 9 to generate a compression amount through the sensing part 12, and according to the compression amount change of the short grating 6, the roll surface shape of the workpiece can be measured, and the roundness, cylindricity, coaxiality and roll shape curve of the workpiece 16 can be obtained, so that the roll workpiece 16 with higher precision can be obtained.
Preferably, the measuring rod 6 is provided with a travel switch 13 on its side.
Preferably, the travel switch 13 is a contactless travel switch.
Preferably, the side surface of the measuring rod 6 is provided with an abutment screw 14, one end of the abutment screw 14 abuts against the measuring rod 6, and the abutment screw 14 is in threaded connection with the measuring base 5.
It should be noted that the stroke switch 13 and the supporting screw 14 are respectively disposed on the opposite sides of the measuring rod 6 and located on the two movable sides of the measuring rod 6, the supporting screw 14 is disposed on the reset side of the measuring rod 6, the stroke switch 13 is disposed on the moving side of the measuring rod 6, and the supporting screw 14 abuts against the side surface of the measuring rod 6, so that the pre-compression of the measuring rod 6 and the short grating 9 can be adjusted by the supporting screw 14.
Preferably, the telescopic member 3 is a telescopic cylinder, in this embodiment, when the telescopic cylinder extends, the transmission C-shaped measuring arm 2 is switched from the working position to the non-working position, and when the telescopic cylinder shortens, the transmission C-shaped measuring arm 2 is switched from the non-working position to the working position.
Example 2
The embodiment provides an online C type measuring device for a numerical control roll grinder, workpiece 16 on a workbench of a measuring grinder 1 comprises a mounting seat 4 and a C type measuring arm 2, the mounting seat 4 is fixed on the side surface of the grinder 1, the lower end of the C type measuring arm 2 is hinged with the mounting seat 4 and is connected in a rotating mode, a telescopic piece 3 is arranged between the C type measuring arm 2 and the mounting seat 4, one end of the telescopic piece 3 is connected with the mounting seat 4 in a rotating mode, and the other end of the telescopic piece 3 is connected with the C type measuring arm 2 in a transmission mode and used for driving the upper end of the C type measuring arm 2 to be close to or far away from the workpiece 16.
In this embodiment, the grinding machine 1 is provided with a movable grinding frame, the mounting base 4 is fixedly connected with the grinding frame, when the grinding frame moves, the C-shaped measuring arm 2 moves along with the grinding frame, and when the workpiece 16 rotates and is ground on the grinding machine 1, the roll diameter, the roll shape, the roundness and the cylindricity are measured on line.
The upper end of C type measuring arm 2 is provided with two measuring seats 5 towards one side of work piece 16 relatively, the one end of two measuring seats 5 all with C type measuring arm 2 on linear guide 10 sliding connection, be provided with measuring stick 6 on the other end of measuring seat 5, the one end of measuring stick 6 is provided with the measuring head 7 with 16 lateral walls contact butt of work piece, measuring stick 6 is connected with measuring seat 5, all be provided with on every measuring seat 5 and be used for detecting the short grating 9 of contact change between measuring head 7 and the work piece 16.
The C-shaped measuring arm 2 is provided with a transmission mechanism 11 for transmitting the two measuring seats 5 to approach or depart from each other and a long grating 8 for positioning the two measuring seats 5.
It should be noted that, a side of the C-shaped measuring arm 2 facing the workpiece 16 is provided with a movable opening for extending one end of the measuring base 5, a corrugated protective cover is arranged in the movable opening, one end of the measuring base 5 penetrating through the protective cover is connected with the nut base 1132, the C-shaped measuring arm 2 comprises a crank arm and a straight arm which are connected into a whole, one end of the crank arm is hinged with the mounting base 4, one end of the telescopic part 3 is hinged with the middle part of the crank arm, the straight arm is driven by the crank arm to be close to or far away from the workpiece 16 when the telescopic arm is telescopic, the two measuring bases 5 are arranged on one side of the support arm facing the workpiece 16, two linear guide rails 10 are arranged in parallel in the straight arm, the side of the nut base 1132 is connected with the two linear guide rails 10 in a sliding manner, the transmission mechanism 11 is arranged between the two linear guide rails 10, so that the transmission stability is better, the long grating 8 is arranged in parallel with, the displacement of the measuring seat 5 is measured, and an inductive switch is arranged on the straight arm corresponding to the measuring seat 5 so as to limit the sliding position of the measuring seat 5.
Preferably, the transmission mechanism 11 comprises a motor 111, a speed reducer 112 and a bidirectional screw rod assembly 113 which are sequentially connected in a transmission manner, and the bidirectional screw rod assembly 113 is connected with the two measuring seats 5 in a transmission manner.
Preferably, the bidirectional screw assembly 113 includes a bearing seat 1133 and a bidirectional screw 1131, the output end of the speed reducer 112 is in transmission connection with one end of the bidirectional screw 1131, the two ends of the bidirectional screw 1131 are both provided with the bearing seats 1133, the bearing seats 1133 are fixedly connected with the C-type measuring arm 2, the bidirectional screw 1131 is rotatably connected with the bearing seats 1133 through bearings, two measuring seats 5 are both provided with nut seats 1132, the nut seats 1132 are sleeved outside the bidirectional screw 1131, and the bidirectional screw 1131 is in transmission connection with the measuring seats 5 through the nut seats 1132.
It should be noted that one end of the bidirectional screw rod 1131 is provided with a left-handed thread, the other end of the bidirectional screw rod 1131 is provided with a right-handed thread, the right-handed thread has a reverse direction to the left-handed thread, one nut seat 1132 is in threaded connection with the left-handed thread, and the other nut seat 1132 is in threaded connection with the right-handed thread, when the bidirectional screw rod 1131 rotates, the two nut seats 1132 can be driven to be close to or away from each other under the transmission action of the left-handed thread and the right-handed thread, so that the measuring heads 7 on the two measuring rods 6 can be driven to be in contact-contact with the.
It should be further noted that the nut seat 1132 adopts a backlash nut to reduce a transmission gap between the left-hand thread and the right-hand thread and improve transmission accuracy, and the nut seat 1132 is fixedly connected with the measuring seat 5; the output end of the speed reducer 112 is in transmission connection with one end of the bidirectional screw rod 1131 through a coupler.
Preferably, the two ends of the bidirectional screw 1131 are sleeved with locking nuts 1134.
It should be noted that the locking nuts 1134 at two ends of the bidirectional screw 1131 are respectively arranged on one side of the two bearing seats 1133, which are away from each other, a spacer is arranged between the locking nut 1134 and the bearing seats 1133, the spacer is sleeved on the outer side of the bidirectional screw 1131, and the spacer is abutted against the inner ring side wall of the bearing, so that the locking nut 1134 can effectively lock the bidirectional screw 1131, reduce the influence of the bending deformation of the bidirectional screw 1131 on the transmission of the measuring seat 5, and improve the accuracy of measurement; it should be noted that the bearing is a rolling bearing.
Preferably, a sensing part 12 is arranged between the measuring rod 6 and the short grating 9, one end of the sensing part 12 is connected with the measuring rod 6, and the other end of the sensing part 12 is connected with the short grating 9.
Preferably, the measuring rod 6 is connected with the measuring base 5 through a torsion spring 15.
It should be noted that, after the bidirectional screw 1131 drives the measuring seat 5 to approach each other so that the measuring head 7 contacts and abuts against the workpiece 16, under the reaction force on the surface of the workpiece 16, the torsion spring 15 is stably compressed by the action of the measuring rod 6 to adapt to the deformation of the contact on the measuring head 7, and meanwhile, the contact change fluctuation between the measuring head 7 and the workpiece 16 causes the short grating 9 to generate a compression amount through the sensing part 12, and according to the compression amount change of the short grating 6, the roll surface shape of the workpiece can be measured, and the roundness, cylindricity, coaxiality and roll shape curve of the workpiece 16 can be obtained, so that the roll workpiece 16 with higher precision can be obtained.
Preferably, the measuring rod 6 is provided with a travel switch 13 on its side.
Preferably, the travel switch 13 is a contactless travel switch.
Preferably, the side surface of the measuring rod 6 is provided with an abutment screw 14, one end of the abutment screw 14 abuts against the measuring rod 6, and the abutment screw 14 is in threaded connection with the measuring base 5.
It should be noted that the stroke switch 13 and the supporting screw 14 are respectively disposed on the opposite sides of the measuring rod 6 and located on the two movable sides of the measuring rod 6, the supporting screw 14 is disposed on the reset side of the measuring rod 6, the stroke switch 13 is disposed on the moving side of the measuring rod 6, and the supporting screw 14 abuts against the side surface of the measuring rod 6, so that the pre-compression of the measuring rod 6 and the short grating 9 can be adjusted by the supporting screw 14.
Preferably, the telescopic member 3 is a telescopic cylinder, in this embodiment, when the telescopic cylinder extends, the transmission C-shaped measuring arm 2 is switched from the working position to the non-working position, and when the telescopic cylinder shortens, the transmission C-shaped measuring arm 2 is switched from the non-working position to the working position.
Example 3
The embodiment provides an online C type measuring device for a numerical control roll grinder, workpiece 16 on a workbench of a measuring grinder 1 comprises a mounting seat 4 and a C type measuring arm 2, the mounting seat 4 is fixed on the side surface of the grinder 1, the lower end of the C type measuring arm 2 is hinged with the mounting seat 4 and is connected in a rotating mode, a telescopic piece 3 is arranged between the C type measuring arm 2 and the mounting seat 4, one end of the telescopic piece 3 is connected with the mounting seat 4 in a rotating mode, and the other end of the telescopic piece 3 is connected with the C type measuring arm 2 in a transmission mode and used for driving the upper end of the C type measuring arm 2 to be close to or far away from the workpiece 16.
In this embodiment, the mounting seat 4 is fixedly connected to the side wall of the grinding machine 1, a workpiece 16 transmission device is arranged on the grinding machine 1, the workpiece 16 transmission device is used for enabling a transmission member to move along the axis direction and can transmit the workpiece 16 to rotate, and the roll diameter, the roll shape, the roundness and the cylindricity are measured through the C-shaped measuring arm 2.
The embodiment is better measuring roller diameter, roll shape, circularity and cylindricity, be provided with second measuring device on grinding machine 1, second measuring device is the single point measurement, be provided with the second on the second measuring device and measure seat, the second measuring rod, the short grating of second and second measuring head, second measuring device sets up between process and the grinding process of polishing, measure the circularity, cylindricity, axiality and the roll shape curve that obtains the work piece after processing, and compare with ideal curve, follow-up carrying out CNC compensation grinding, parameter correction after can realizing the work piece processing.
The upper end of C type measuring arm 2 is provided with two measuring seats 5 towards one side of work piece 16 relatively, the one end of two measuring seats 5 all with C type measuring arm 2 on linear guide 10 sliding connection, be provided with measuring stick 6 on the other end of measuring seat 5, the one end of measuring stick 6 is provided with the measuring head 7 with 16 lateral walls contact butt of work piece, measuring stick 6 is connected with measuring seat 5, all be provided with on every measuring seat 5 and be used for detecting the short grating 9 of contact change between measuring head 7 and the work piece 16.
The C-shaped measuring arm 2 is provided with a transmission mechanism 11 for transmitting the two measuring seats 5 to approach or depart from each other and a long grating 8 for positioning the two measuring seats 5.
It should be noted that, a movable opening for extending one end of the measuring base 5 is arranged on one side of the C-shaped measuring arm 2 facing the workpiece 16, a corrugated protective cover is arranged in the movable opening, one end of the measuring base 5 penetrating through the protective cover is connected with the measuring rod 6, the C-shaped measuring arm 2 comprises a crank arm and a straight arm which are connected into a whole, one end of the crank arm is hinged with the mounting base 4, one end of the telescopic part 3 is hinged with the middle part of the crank arm, the straight arm is driven by the crank arm to be close to or far away from the workpiece 16 when the telescopic arm is telescopic, the two measuring bases 5 are arranged on one side of the support arm facing the workpiece 16, two linear guide rails 10 are arranged in parallel in the straight arm, the side of the nut base 1132 is connected with the two linear guide rails 10 in a sliding manner, the transmission mechanism 11 is arranged between the two linear guide rails 10, so that the transmission stability is better, the long grating 8 is arranged in parallel with, the displacement of the measuring seat 5 is measured, and an inductive switch is arranged on the straight arm corresponding to the measuring seat 5 so as to limit the sliding position of the measuring seat 5.
Preferably, the transmission mechanism 11 comprises a motor 111, a speed reducer 112 and a bidirectional screw rod assembly 113 which are sequentially connected in a transmission manner, and the bidirectional screw rod assembly 113 is connected with the two measuring seats 5 in a transmission manner.
Preferably, the bidirectional screw assembly 113 includes a bearing seat 1133 and a bidirectional screw 1131, the output end of the speed reducer 112 is in transmission connection with one end of the bidirectional screw 1131, the two ends of the bidirectional screw 1131 are both provided with the bearing seats 1133, the bearing seats 1133 are fixedly connected with the C-type measuring arm 2, the bidirectional screw 1131 is rotatably connected with the bearing seats 1133 through bearings, two measuring seats 5 are both provided with nut seats 1132, the nut seats 1132 are sleeved outside the bidirectional screw 1131, and the bidirectional screw 1131 is in transmission connection with the measuring seats 5 through the nut seats 1132.
It should be noted that one end of the bidirectional screw rod 1131 is provided with a left-handed thread, the other end of the bidirectional screw rod 1131 is provided with a right-handed thread, the right-handed thread has a reverse direction to the left-handed thread, one nut seat 1132 is in threaded connection with the left-handed thread, and the other nut seat 1132 is in threaded connection with the right-handed thread, when the bidirectional screw rod 1131 rotates, the two nut seats 1132 can be driven to be close to or away from each other under the transmission action of the left-handed thread and the right-handed thread, so that the measuring heads 7 on the two measuring rods 6 can be driven to be in contact-contact with the.
It should be further noted that the nut seat 1132 adopts a backlash nut to reduce a transmission gap between the left-hand thread and the right-hand thread and improve transmission accuracy, and the nut seat 1132 is fixedly connected with the measuring seat 5; the output end of the speed reducer 112 is in transmission connection with one end of the bidirectional screw rod 1131 through a coupler.
Preferably, the two ends of the bidirectional screw 1131 are sleeved with locking nuts 1134.
It should be noted that the locking nuts 1134 at two ends of the bidirectional screw 1131 are respectively arranged on one side of the two bearing seats 1133, which are away from each other, a spacer is arranged between the locking nut 1134 and the bearing seats 1133, the spacer is sleeved on the outer side of the bidirectional screw 1131, and the spacer is abutted against the inner ring side wall of the bearing, so that the locking nut 1134 can effectively lock the bidirectional screw 1131, reduce the influence of the bending deformation of the bidirectional screw 1131 on the transmission of the measuring seat 5, and improve the accuracy of measurement; it should be noted that the bearing is a rolling bearing.
Preferably, a sensing part 12 is arranged between the measuring rod 6 and the short grating 9, one end of the sensing part 12 is connected with the measuring rod 6, and the other end of the sensing part 12 is connected with the short grating 9.
Preferably, the measuring rod 6 is connected with the measuring base 5 through a torsion spring 15.
It should be noted that, after the bidirectional screw 1131 drives the measuring seat 5 to approach each other so that the measuring head 7 contacts and abuts against the workpiece 16, under the reaction force on the surface of the workpiece 16, the torsion spring 15 is stably compressed by the action of the measuring rod 6 to adapt to the deformation of the contact on the measuring head 7, and meanwhile, the contact change fluctuation between the measuring head 7 and the workpiece 16 causes the short grating 9 to generate a compression amount through the sensing part 12, and according to the compression amount change of the short grating 6, the roll surface shape of the workpiece can be measured, and the roundness, cylindricity, coaxiality and roll shape curve of the workpiece 16 can be obtained, so that the roll workpiece 16 with higher precision can be obtained.
Preferably, the measuring rod 6 is provided with a travel switch 13 on its side.
Preferably, the travel switch 13 is a contactless travel switch.
Preferably, the side surface of the measuring rod 6 is provided with an abutment screw 14, one end of the abutment screw 14 abuts against the measuring rod 6, and the abutment screw 14 is in threaded connection with the measuring base 5.
It should be noted that the stroke switch 13 and the supporting screw 14 are respectively disposed on the opposite sides of the measuring rod 6 and located on the two movable sides of the measuring rod 6, the supporting screw 14 is disposed on the reset side of the measuring rod 6, the stroke switch 13 is disposed on the moving side of the measuring rod 6, and the supporting screw 14 abuts against the side surface of the measuring rod 6, so that the pre-compression of the measuring rod 6 and the short grating 9 can be adjusted by the supporting screw 14.
Preferably, the telescopic member 3 is a telescopic cylinder, in this embodiment, when the telescopic cylinder extends, the transmission C-shaped measuring arm 2 is switched from the working position to the non-working position, and when the telescopic cylinder shortens, the transmission C-shaped measuring arm 2 is switched from the non-working position to the working position.
In the description of the present invention, it is to be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The on-line C-shaped measuring device for the numerical control roll grinder is characterized by comprising an installation seat (4) and a C-shaped measuring arm (2) which are arranged on the side surface of a grinder (1), wherein one side of the installation seat (4) is fixedly connected with the side wall of the grinder (1), the lower end of the C-shaped measuring arm (2) is hinged and rotatably connected with the installation seat (4), a telescopic piece (3) is arranged between the C-shaped measuring arm (2) and the installation seat (4), one end of the telescopic piece (3) is rotatably connected with the installation seat (4), and the other end of the telescopic piece (3) is in transmission connection with the C-shaped measuring arm (2) and is used for driving the upper end of the C-shaped measuring arm (2) to be close to or far away from a workpiece (16) on the grinder (1);
two measuring seats (5) are oppositely arranged on one side, facing the workpiece (16), of the upper end of the C-shaped measuring arm (2), the two measuring seats (5) are in sliding connection with a linear guide rail (10) on the C-shaped measuring arm (2), a measuring rod (6) is arranged on each measuring seat (5), a measuring head (7) which is in contact and abutted with the side wall of the workpiece (16) is arranged at one end of each measuring rod (6), the measuring rod (6) is connected with the measuring seats (5), and a short grating (9) for detecting contact change between the measuring head (7) and the workpiece (16) is arranged on each measuring seat (5);
the C-shaped measuring arm (2) is provided with a transmission mechanism (11) for transmitting the two measuring seats (5) to be close to or far away from each other and a long grating (8) for positioning the two measuring seats (5).
2. The on-line C-shaped measuring device for the numerical control roll grinder is characterized in that the transmission mechanism (11) comprises a motor (111), a speed reducer (112) and a bidirectional screw rod assembly (113) which are sequentially connected in a transmission manner, and the bidirectional screw rod assembly (113) is connected with the two measuring seats (5) in a transmission manner.
3. The on-line C-type measuring device for the numerical control roll grinder is characterized in that the bidirectional lead screw assembly (113) comprises a bearing seat (1133) and a bidirectional lead screw (1131), the output end of the speed reducer (112) is in transmission connection with one end of the bidirectional lead screw (1131), the bearing seat (1133) is arranged at each of two ends of the bidirectional lead screw (1131), the bearing seat (1133) is fixedly connected with the C-type measuring arm (2), the bidirectional lead screw (1131) is in rotational connection with the bearing seat (1133) through a bearing, a nut seat (1132) is arranged on each of the two measuring seats (5), the nut seat (1132) is sleeved outside the bidirectional lead screw (1131), and the bidirectional lead screw (1131) is in transmission connection with the measuring seat (5) through the nut seat (1132).
4. The on-line C-shaped measuring device for the numerical control roll grinder is characterized in that locking nuts (1134) are sleeved at both ends of the bidirectional screw rod (1131).
5. The on-line C-shaped measuring device for the numerical control roll grinder according to any one of claims 1 to 4, characterized in that a sensing member (12) is arranged between the measuring rod (6) and the short grating (9), one end of the sensing member (12) is connected with the measuring rod (6), and the other end of the sensing member (12) is connected with the short grating (9).
6. The on-line C-shaped measuring device for the numerical control roll grinder is characterized in that the measuring rod (6) is connected with the measuring seat (5) through a torsion spring (15).
7. The on-line C-type measuring device for the numerically controlled roll grinder as recited in claim 6, wherein the measuring rod (6) is provided with a travel switch (13) at a side thereof.
8. The on-line C-type measuring device for the numerically controlled roll grinder as claimed in claim 7, wherein the travel switch (13) is a non-contact travel switch.
9. The on-line C-shaped measuring device for the numerical control roll grinder is characterized in that a supporting bolt (14) is arranged on the side surface of the measuring rod (6), one end of the supporting bolt (14) is abutted to the measuring rod (6), and the supporting bolt (14) is in threaded connection with the measuring seat (5).
10. The on-line C-type measuring device for the numerically controlled roll grinder according to any one of claims 1 to 4, characterized in that the telescopic member (3) is a telescopic cylinder.
CN202011590158.0A 2020-12-29 2020-12-29 Online C-shaped measuring device for numerical control roll grinder Pending CN112605744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011590158.0A CN112605744A (en) 2020-12-29 2020-12-29 Online C-shaped measuring device for numerical control roll grinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011590158.0A CN112605744A (en) 2020-12-29 2020-12-29 Online C-shaped measuring device for numerical control roll grinder

Publications (1)

Publication Number Publication Date
CN112605744A true CN112605744A (en) 2021-04-06

Family

ID=75248897

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011590158.0A Pending CN112605744A (en) 2020-12-29 2020-12-29 Online C-shaped measuring device for numerical control roll grinder

Country Status (1)

Country Link
CN (1) CN112605744A (en)

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