CN110538896A - Automatic straightening device for shaft parts - Google Patents
Automatic straightening device for shaft parts Download PDFInfo
- Publication number
- CN110538896A CN110538896A CN201910852343.3A CN201910852343A CN110538896A CN 110538896 A CN110538896 A CN 110538896A CN 201910852343 A CN201910852343 A CN 201910852343A CN 110538896 A CN110538896 A CN 110538896A
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- Prior art keywords
- pressurizing
- straightening
- workpiece
- support plate
- stepping motor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Abstract
The invention discloses an automatic straightening device for shaft parts, which comprises a clamping supporting mechanism, a pressurizing straightening mechanism, a measuring mechanism and a control assembly, wherein the pressurizing straightening mechanism is arranged on the clamping supporting mechanism; the pressure straightening mechanism is connected with the clamping supporting mechanism, the measuring mechanism is distributed on the clamping supporting mechanism and the pressure straightening mechanism, and the control assembly is positioned on an external control console of the device; the clamping supporting mechanism, the pressurizing straightening mechanism and the measuring mechanism are electrically connected with the control assembly; the clamping and supporting mechanism is used for supporting the whole device and clamping and positioning a workpiece, the pressurizing and straightening mechanism is used for straightening the workpiece, the detection part is used for detecting the bending deformation of the workpiece, and the control component is used for controlling the straightening work of the whole device; the invention automatically detects and corrects the detected workpiece by using the control assembly, reduces the times of workpiece carrying and clamping, improves the working efficiency, realizes the consistency of the workpiece detection and correction reference and the processing reference, overcomes the human factor of manual operation, and greatly improves the working precision.
Description
Technical Field
The invention relates to a straightening device, in particular to an automatic straightening device for shaft parts.
Background
In the mechanical industry, shaft parts are important parts for forming machines, the shaft parts need to be subjected to heat treatment in the machining process for improving the hardness, the wear resistance and the like, and the straightness of the shaft parts needs to be ensured by straightening because the parts are deformed after the heat treatment; conventionally, shaft parts in mechanical products are mainly straightened manually, the parts are detected manually through manual straightening, straightening positions are determined, and then straightening workpieces are pressed and detected repeatedly until the straightness of the parts meets requirements, and the method is complex in operation, poor in straightening effect, low in working efficiency and low in precision and needs strong experience of operators; with the rapid development of the machine manufacturing industry, the manual straightening method which is completed by the master of workers through experience cannot meet the requirement of actual production.
In order to solve the technical problem, at present, the straightening machine of a door type structure or a C type structure is generally adopted at home and abroad to realize the straightening of the shaft parts, and the two types of straightening machines have the advantages that: the integral structure has high rigidity and strength, the workpiece is measured and straightened consistently, the 3-point bending principle is adopted, the operation is simple, the precision is easy to guarantee, and the defects are as follows: 1) the structure is large and the processing cost is high; 2) limited by the size of the working table, the range of workpieces which can be straightened is small, and the straightening device is only suitable for small and medium-sized workpieces; 3) from the clamping mode of work piece, it is difficult to realize full-automatic measurement and alignment processing, therefore machining efficiency is not high.
Therefore, an automatic straightening device for shaft parts is needed to solve the existing technical problems.
Application number 201320381076.4's chinese utility model patent discloses an axle type part alignment anchor clamps, this utility model discloses a through two top work piece manual rotation work pieces again of withstanding, rethread side head pole beats the work piece numerical value and transmits the percentage table, the rotatory a week back of work piece, read the part at the circumference of suppression position and beat the numerical value, according to the manual regulation adjusting screw of this numerical value, it has certain suppression alignment clearance to make its terminal surface and part excircle have according to the experience, operation hydraulic press or aerostatic press, make pressure head suppression alignment part, the device though can realize a clamping and operate repeatedly, accomplish until the work piece alignment, but its operation is complicated, the testing result depends on operator's proficiency, and hardly accomplish the detection to complicated profile work piece.
disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an automatic straightening device for shaft parts,
The invention is realized by the following technical scheme.
An automatic straightening device for shaft parts comprises: the device comprises a clamping supporting mechanism 1, a pressurizing straightening mechanism 2, a measuring mechanism 3 and a control assembly 4; the pressurizing and straightening mechanism connection 2 is connected with the clamping and supporting mechanism 1, the measuring mechanism 3 is distributed on the clamping and supporting mechanism 1 and the pressurizing and straightening mechanism 2, and the control component 4 is positioned on a control console outside the device; the clamping supporting mechanism 1, the pressurizing straightening mechanism 2 and the measuring mechanism 3 are electrically connected with the control component 4.
Clamping supporting mechanism 1 includes: the device comprises a main shaft 101, a worm gear reducer 102, a first stepping motor 103, a rotary encoder 104, a shaft sleeve 105, a bearing 106, a first support plate 107, a chuck 108, a workpiece 109, a tip 110, a first adjusting spring 111, an adjusting bolt 112, a tip sleeve 113, a second support plate 114, a third stepping motor 115, a base 116, a first sliding rod 117, a second sliding rod 118, a fourth stepping motor 119 and a lock nut 120; the chuck 108 is fixed at one end of a main shaft 101, a rotary encoder 104 is arranged at the other end of the main shaft 101 and is connected with a first stepping motor 103 through a worm gear reducer 102, the main shaft 101 is connected with a first support plate 107 through a bearing 106, and the bearing 106 is positioned through a shaft sleeve 105; one end of the workpiece 109 is clamped by a chuck 108, the other end of the workpiece is propped against by a tip 110, the tip 110 is connected with a tip sleeve 113 through an adjusting bolt 112, the tail part of the tip 110 is provided with a first adjusting spring 111, and the tip sleeve 113 is connected with a second supporting plate 114; the first sliding rod 117 and the second sliding rod 118 are connected with the first support plate 107 and the second support plate 114 and are locked by the locking nut 120; the first stepping motor 103, the first support plate 107, the second support plate 114, the third stepping motor 115 and the fourth stepping motor 119 are fixed on the base 116.
The pressurization straightening mechanism includes: the device comprises a large gear 201, a small gear 202, a movable supporting plate 203, a screw nut 204, a movable screw I205, a motor bracket 206, a linear displacement sensor 207, a positioning nut 208, a second adjusting spring 209, a replaceable pressurizing plate 210, a pushing screw 211, a movable screw II 212, a sliding sleeve 213, a second stepping motor 214 and a third supporting plate 215; an output shaft of the second stepping motor 214 is connected with a pinion 202, the pinion 202 is meshed with a gearwheel 201, the gearwheel 201 is connected with one end of a pushing screw 211, the other end of the pushing screw 211 is connected with a replaceable pressurizing plate 210, and the replaceable pressurizing plate 210 is sleeved at the front end of the pushing screw 211 and can slide along the pushing screw 211; a positioning nut 208 is further mounted at the front end of the pushing screw 211, and a second adjusting spring 209 is mounted between the positioning nut 208 and the replaceable pressurizing plate 210; the second stepping motor 214 is connected with a third support plate 215 through a motor bracket 206; the third support plate 215 is fixedly connected with the movable support plate 203, and the lead screw nut 204 is welded on the movable support plate 203; the first movable lead screw 205 and the second movable lead screw 212 are respectively connected with the first support plate 107 and the second support plate 114.
Further, the inner hole of the large gear 201 is threaded and is in threaded connection with the pushing screw 211.
The measuring mechanism 3 comprises a linear displacement sensor 207 and a rotary encoder 104, the linear displacement sensor 207 adopts a grating linear displacement sensor, a fixed ruler is connected with the movable supporting plate 203, and the movable ruler is connected with the replaceable pressurizing plate 210; the rotary encoder 104 is mounted at one end of the main shaft 101.
The control assembly 4 comprises: the system comprises a computer system, a motor driver, an input operation button and a digital grating ruler; the computer system comprises an industrial computer, a data acquisition card and a motion control card; the motor driver is connected with an industrial computer through a motion control card of a computer system, the input operation button is connected with the industrial computer through a photoelectric isolation circuit, the digital grating ruler is connected with the industrial computer through a signal frequency circuit, the linear displacement sensor 207 and the rotary encoder 104 of the measuring mechanism 3 are connected with the industrial computer through a data acquisition card of the computer system through a high-order active filter circuit, and the motor driver is connected with the industrial computer through the motion control card.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. The invention can automatically detect the workpiece to be detected by using a detection program, reduces the times of workpiece transportation and clamping, shortens the detection time and improves the detection efficiency.
2. The result of manual detection depends on the proficiency of operators, and the detection of workpieces with complex profiles is difficult to achieve; the automatic straightening device for the shaft parts can realize the consistency of the workpiece detection reference and the processing reference, overcomes the human factor of manual detection by adopting program control, and greatly improves the detection precision.
3. The invention can conveniently adapt to the straightening processing of large-scale shaft parts (such as petroleum drill rods, petroleum casings and the like) only by changing the length of the guide post under the condition that the structure of the whole machine is not changed according to the size of a workpiece, can also adapt to small and medium-sized parts, and can greatly reduce the manufacturing cost of equipment.
Drawings
FIG. 1 is a front view of an automatic straightening device for shaft parts according to the present invention;
FIG. 2 is a top view of an automatic straightening device for shaft parts according to the present invention;
FIG. 3 is a view of the automatic straightening device for shaft parts according to the present invention in the direction A;
FIG. 4 is a diagram illustrating a state of the automatic straightening device for shaft parts according to the present invention during straightening;
Fig. 5 is a connection schematic diagram of a control system of the automatic straightening device for shaft parts according to the invention.
In the figure: 1. a clamping part; 101. a main shaft; 102. a worm gear reducer; 103. a first stepping motor; 104. a rotary encoder; 105. a shaft sleeve; 106. a bearing; 107. a first support plate; 108. a chuck; 109. a workpiece; 110. a tip; 111. adjusting a first spring; 112. adjusting the bolt; 113. a tip sleeve; 114. a second support plate; 115. a step motor III; 116. a machine base; 117. a first sliding rod; 118. a second sliding rod; 119. a step motor IV; 120. locking the nut; 2. a pressurizing and straightening mechanism; 201. a bull gear; 202. a pinion gear; 203. moving the support plate; 204. a lead screw nut; 205. moving the first lead screw; 206. a motor bracket; 207. a linear displacement sensor; 208. positioning a nut; 209. a second adjusting spring; 210. a replaceable pressurizing plate; 211. pushing a screw rod; 212. moving a second screw rod; 213. a sliding sleeve; 214. and a second stepping motor.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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 of the present invention without any inventive step, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Referring to fig. 1, an automatic straightening device for shaft parts includes: the device comprises a clamping supporting mechanism 1, a pressurizing straightening mechanism 2, a measuring mechanism 3 and a control assembly 4; according to fig. 1, the pressurized straightening mechanism connection 2 is connected with the clamping support mechanism 1, the measuring mechanism 3 is distributed on the clamping support mechanism 1 and the pressurized straightening mechanism 2, and the control component 4 is located on a console outside the device; the clamping supporting mechanism 1, the pressurizing straightening mechanism 2 and the measuring mechanism 3 are electrically connected with the control component 4; the clamping and supporting mechanism 1 is used for supporting the whole device and clamping and positioning a workpiece, the pressurizing and straightening mechanism 2 is used for straightening the workpiece, the detection part 3 is used for detecting the bending deformation of the workpiece, and the control component 4 is used for controlling the straightening work of the whole device.
Referring to fig. 2, the clamping support mechanism 1 includes: the device comprises a main shaft 101, a worm gear reducer 102, a first stepping motor 103, a rotary encoder 104, a shaft sleeve 105, a bearing 106, a first support plate 107, a chuck 108, a workpiece 109, a tip 110, a first adjusting spring 111, an adjusting bolt 112, a tip sleeve 113, a second support plate 114, a third stepping motor 115, a base 116, a first sliding rod 117, a second sliding rod 118, a fourth stepping motor 119 and a lock nut 120; according to fig. 2, the chuck 108 is fixed at one end of a main shaft 101, a rotary encoder 104 is arranged at the other end of the main shaft 101 and is connected with a first stepping motor 103 through a worm gear reducer 102, the main shaft 101 is connected with a first support plate 107 through a bearing 106, and the bearing 106 is positioned through a shaft sleeve 105; one end of the workpiece 109 is clamped by a chuck 108, the other end of the workpiece is propped against by a tip 110, the tip 110 is connected with a tip sleeve 113 through an adjusting bolt 112, the tail part of the tip 110 is provided with a first adjusting spring 111, and the tip sleeve 113 is connected with a second supporting plate 114; the first sliding rod 117 and the second sliding rod 118 are connected with the first support plate 107 and the second support plate 114 and are locked by the locking nut 120; the first stepping motor 103, the first support plate 107, the second support plate 114, the third stepping motor 115 and the fourth stepping motor 119 are fixed on the base 116; because the workpiece 109 only needs to rotate when being positioned in the detection and straightening directions and cannot rotate in the pressurizing and straightening processes, the power required for driving the main shaft 101 and the workpiece 109 to rotate is very small, and the worm gear reducer 102 is adopted to ensure that the workpiece cannot move axially or rotate radially when deformed under load by utilizing the good self-locking property of the worm gear reducer, so that the fixing effect is achieved.
Referring to fig. 3, the pressurized straightening mechanism 2 includes: the device comprises a large gear 201, a small gear 202, a movable supporting plate 203, a screw nut 204, a movable screw I205, a motor bracket 206, a linear displacement sensor 207, a positioning nut 208, a second adjusting spring 209, a replaceable pressurizing plate 210, a pushing screw 211, a movable screw II 212, a sliding sleeve 213, a second stepping motor 214 and a third supporting plate 215; according to fig. 3, an output shaft of the second stepping motor 214 is connected with a pinion 202, the pinion 202 is meshed with a gearwheel 201, the gearwheel 201 is connected with one end of a pushing screw 211, the other end of the pushing screw 211 is connected with a replaceable pressurizing plate 210, and the replaceable pressurizing plate 210 is sleeved at the front end of the pushing screw 211 and can slide along the pushing screw 211; a positioning nut 208 is further mounted at the front end of the pushing screw 211, and a second adjusting spring 209 is mounted between the positioning nut 208 and the replaceable pressurizing plate 210; the second stepping motor 214 is connected with a third support plate 215 through a motor bracket 206; the third support plate 215 is fixedly connected with the movable support plate 203, and the lead screw nut 204 is welded on the movable support plate 203; the first movable lead screw 205 and the second movable lead screw 212 are respectively connected with the first support plate 107 and the second support plate 114; the linear displacement sensor 207 is contacted with the workpiece through the replaceable pressurizing plate 210, a certain gap is reserved between the replaceable pressurizing plate 210 and the workpiece, and the replaceable pressurizing plate 210 is always contacted with the workpiece under the action of the second adjusting spring 209 in the motion process of the pressurizing and straightening mechanism.
further, the inner hole of the large gear 201 is provided with threads and is in threaded connection with a pushing screw rod 211; after the second stepping motor 214 decelerates through the pinion 202 and the bull gear 201, the rotary motion is converted into the linear motion of the pressurizing and straightening mechanism 2 through the pushing lead screw 211, and the deceleration of the gear and the lead screw nut pair have the functions of amplifying torque and increasing loading force.
The measuring mechanism 3 comprises a linear displacement sensor 207 and a rotary encoder 104, the linear displacement sensor 207 adopts a grating linear displacement sensor, a fixed ruler is arranged on the movable supporting plate 203, and the movable ruler is connected with the replaceable pressurizing plate 210; the rotary encoder 104 is installed at one end of the main shaft 101; the measuring mechanism comprises a two-part process: a detection section for radial runout and a detection section for bending deformation; the process of detecting the radial run-out is as follows: firstly, a workpiece 109 to be measured is installed on a chuck 108, pushing lead screws 211 of two pressurizing straightening mechanisms 2 retract to enable a replaceable pressurizing plate 210 to be in a floating state to be propped against the workpiece 109 under the action of a second adjusting spring 209, the workpiece 109 rotates slowly, a radial runout value of the workpiece 109 is measured at a middle position firstly, then the workpiece 109 is rotated to enable the radial runout sensitive direction to be opposite to a linear displacement sensor 207, a stepping motor 3 is started, the pressurizing straightening mechanisms 2 move in parallel along the rotation axis of the workpiece 109, meanwhile, a computer of a control assembly 4 collects the displacement sensor value of the pressurizing straightening mechanisms 2 and calculates and memorizes the position of the rotation axis, in addition, a certain gap is formed between the pressurizing replaceable plate 210 of the two pressurizing straightening mechanisms 2 and the workpiece 109 in the measuring process, and the phenomenon that the rigidity 209 of the two adjusting springs is inconsistent or the compression amounts of the two springs are different due to the deformation of the workpiece 109, and additional deformation of the bending moment, thereby generating a measurement error.
Referring to fig. 5, the control assembly 4 includes: the system comprises a computer system, a motor driver, an input operation button and a digital grating ruler; the computer system comprises an industrial computer, a data acquisition card and a motion control card; according to fig. 5, the motor driver is connected to an industrial computer through a motion control card of a computer system, the input operation button is connected to the industrial computer through a photoelectric isolation circuit, the digital grating ruler is connected to the industrial computer through a signal frequency phase demodulation circuit, the linear displacement sensor 207 and the rotary encoder 104 of the measuring mechanism 3 are connected to the industrial computer through a data acquisition card of the computer system through a high-order active filter circuit, and the motor driver is connected to the industrial computer through the motion control card; the linear displacement sensor 207 and the rotary encoder 104 are mainly used for measuring the bending deformation of the workpiece, and the measurement result is converted into digital quantity through a data acquisition card after the signal is filtered by a high-order active filter circuit and is transmitted to an industrial computer; and the industrial computer sends a control instruction to control the motor driver to drive each motor to correspondingly move after processing and analyzing the bending condition of the workpiece, so that the workpiece is straightened.
the working principle of the invention is as follows: the workpiece 109 is fixed through the chuck 108 and the tip 110, the tip 110 is pressed against the workpiece 109 due to the action of the first adjusting spring 111, the workpiece 109 can be driven to rotate by the first stepping motor 103 along with the chuck under the coaxial condition, the pushing lead screws 211 of the two pressurizing straightening mechanisms 2 retract to enable the replaceable pressurizing plate 210 to be in a floating state to be pressed against the workpiece 209 under the action of the second adjusting spring 208, and radial runout detection of the workpiece 209 is firstly carried out: the workpiece rotates at a slow speed, when the radial jump sensitive direction of the workpiece is aligned with the measuring sensor, the third stepping motor 115 and the fourth stepping motor 119 are started simultaneously, the pressurizing and straightening mechanism 2 moves in parallel along the rotation axis of the workpiece, and meanwhile, the control component 4 computer collects the numerical value of the linear displacement sensor 207 of the pressurizing and straightening mechanism 2, the reading of the rotary encoder 104, and calculates and memorizes the deformation direction of the tested workpiece, the phase position and the axial position of an error point; after the radial runout detection is finished, the bending deformation starts to be measured, a computer system of the control assembly 4 memorizes the bending deformation direction of the workpiece, then the main shaft 101 and the two pressurizing straightening mechanisms execute a reset program to return to an original point, after the original point is reset, the main shaft 101 rotates the memorized angle according to the bending phase of the workpiece 109 memorized during the radial runout detection, so that the workpiece 109 is bent in the horizontal plane direction and is right opposite to the linear displacement sensor 207, a movable ruler of the linear displacement sensor 207 is contacted with a bus of the workpiece 109 through the replaceable pressurizing plate 210, then the straightening pressurizing mechanism 2 moves along the axial direction to start the measurement of the bending deformation, and the computer collects and records the value of the linear displacement sensor 207 of the pressurizing straightening mechanism 2 at regular step intervals according to the data of a grating ruler of the linear displacement; after the bending deformation measuring process of the workpiece 109 is finished, the control system 4 automatically analyzes and arranges the measured data, calculates the actual bending deformation condition, gives the phase position and the maximum deformation amount of the bending deformation of the workpiece 109 and the corresponding position of the bending deformation, and then starts to perform straightening processing; during straightening, the bending direction of the workpiece needs to be rotated to a position where the horizontal plane is opposite to the pressing and straightening mechanisms 2, the positions of the two pressing and straightening mechanisms 2 serving as a fulcrum and a pressing point are automatically adjusted by a control system according to the length of the workpiece 109 and the measured deformation position, and as shown in fig. 4, a 3-point bending layout is formed for straightening.
finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an automatic coalignment of axle type part which characterized in that includes: the device comprises a clamping supporting mechanism (1), a pressurizing straightening mechanism (2), a measuring mechanism (3) and a control assembly (4); the pressurizing and straightening mechanism (2) is connected with the clamping and supporting mechanism (1), the measuring mechanisms (3) are distributed on the clamping and supporting mechanism (1) and the pressurizing and straightening mechanism (2), and the control assembly (4) is positioned on a control console outside the device; the clamping supporting mechanism (1), the pressurizing straightening mechanism (2) and the measuring mechanism (3) are electrically connected with the control component (4).
2. The automatic straightening device for the shaft parts according to claim 1, characterized in that: the clamping supporting mechanism (1) comprises: the device comprises a main shaft (101), a worm gear reducer (102), a first stepping motor (103), a rotary encoder (104), a shaft sleeve (105), a bearing (106), a first support plate (107), a chuck (108), a workpiece (109), a tip (110), a first adjusting spring (111), an adjusting bolt (112), a tip sleeve (113), a second support plate (114), a third stepping motor (115), a base (116), a first sliding rod (117), a second sliding rod (118), a fourth stepping motor (119) and a locking nut (120); the chuck (108) is fixed at one end of the main shaft (101), a rotary encoder (104) is mounted at the other end of the main shaft (101) and is connected with a first stepping motor (103) through a worm gear reducer (102), the main shaft (101) is connected with a first support plate (107) through a bearing (106), and the bearing (106) is positioned through a shaft sleeve (105).
3. The automatic straightening device for the shaft parts according to claim 2, characterized in that: one end of the workpiece (109) is clamped by a chuck (108), the other end of the workpiece is propped against by a tip (110), the tip (110) is connected with a tip sleeve (113) through an adjusting bolt (112), an adjusting spring I (111) is installed at the tail part of the tip (110), and the tip sleeve (113) is connected with a second support plate (114); the first sliding rod (117) and the second sliding rod (118) are connected with the first supporting plate (107) and the second supporting plate (114) and are locked through locking nuts (120); the first stepping motor (103), the first support plate (107), the second support plate (114), the third stepping motor (115) and the fourth stepping motor (119) are fixed on the base (116).
4. The automatic straightening device for the shaft parts according to claim 1, characterized in that: the pressurizing straightening mechanism (2) comprises: the device comprises a large gear (201), a small gear (202), a movable supporting plate (203), a screw nut (204), a movable screw I (205), a motor bracket (206), a linear displacement sensor (207), a positioning nut (208), a second adjusting spring (209), a replaceable pressurizing plate (210), a pushing screw (211), a second movable screw (212), a sliding sleeve (213), a second stepping motor (214) and a third supporting plate (215); an output shaft of the second stepping motor (214) is connected with a pinion (202), the pinion (202) is meshed with a gearwheel (201), the gearwheel (201) is connected with one end of a pushing screw rod (211), the other end of the pushing screw rod (211) is connected with a replaceable pressurizing plate (210), and the replaceable pressurizing plate (210) is sleeved at the front end of the pushing screw rod (211) and can slide along the pushing screw rod (211); a positioning nut (208) is further mounted at the front end of the pushing screw rod (211), and a second adjusting spring (209) is mounted between the positioning nut (208) and the replaceable pressurizing plate (210); the second stepping motor (214) is connected with the third supporting plate (215) through a motor bracket (206); the third support plate (215) is fixedly connected with the movable support plate (203), and the lead screw nut (204) is welded on the movable support plate (203); the first movable lead screw (205) and the second movable lead screw (212) are respectively connected with the first support plate (107) and the second support plate (114).
5. The automatic straightening device for the shaft parts according to claim 4, characterized in that: the inner hole of the big gear (201) is provided with threads and is in threaded connection with the pushing screw rod (211).
6. The automatic straightening device for the shaft parts according to claim 1, characterized in that: the measuring mechanism (3) comprises a linear displacement sensor (207) and a rotary encoder (104), the linear displacement sensor (207) adopts a grating displacement sensor, a fixed ruler is connected with a movable supporting plate (203), and the movable ruler is connected with a replaceable pressurizing plate (210); the rotary encoder (104) is installed at one end of the main shaft (101).
7. The automatic straightening device for the shaft parts according to claim 1, characterized in that: the control assembly (4) comprises: the system comprises a computer system, a motor driver, an input operation button and a digital grating ruler; the computer system comprises an industrial computer, a data acquisition card and a motion control card; the motor driver is connected with an industrial computer through a motion control card of a computer system, the input operation button is connected with the industrial computer through a photoelectric isolation circuit, the digital grating ruler is connected with the industrial computer through a signal frequency circuit, the linear displacement sensor (207) and the rotary encoder (104) of the measuring mechanism (3) are connected with the industrial computer through a data acquisition card of the computer system through a high-order active filter circuit, and the motor driver is connected with the industrial computer through the motion control card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910852343.3A CN110538896A (en) | 2019-09-09 | 2019-09-09 | Automatic straightening device for shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910852343.3A CN110538896A (en) | 2019-09-09 | 2019-09-09 | Automatic straightening device for shaft parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110538896A true CN110538896A (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910852343.3A Withdrawn CN110538896A (en) | 2019-09-09 | 2019-09-09 | Automatic straightening device for shaft parts |
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| CN (1) | CN110538896A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517671A (en) * | 2020-11-17 | 2021-03-19 | 蚌埠凯盛工程技术有限公司 | Online detection and correction device and detection and correction method for long shaft of production line |
| CN112742905A (en) * | 2020-11-27 | 2021-05-04 | 江苏润居建设科技发展有限公司 | Steel straightening device and using method thereof |
| CN113231492A (en) * | 2021-07-08 | 2021-08-10 | 南通市力行机械制造有限公司 | Straightening device for production and processing of weight lifting rod |
| CN115815375A (en) * | 2023-02-20 | 2023-03-21 | 中国机械总院集团宁波智能机床研究院有限公司 | Lead screw straightening device and straightening method thereof |
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2019
- 2019-09-09 CN CN201910852343.3A patent/CN110538896A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517671A (en) * | 2020-11-17 | 2021-03-19 | 蚌埠凯盛工程技术有限公司 | Online detection and correction device and detection and correction method for long shaft of production line |
| CN112517671B (en) * | 2020-11-17 | 2022-09-16 | 蚌埠凯盛工程技术有限公司 | Online detection and correction device and detection and correction method for long shaft of production line |
| CN112742905A (en) * | 2020-11-27 | 2021-05-04 | 江苏润居建设科技发展有限公司 | Steel straightening device and using method thereof |
| CN113231492A (en) * | 2021-07-08 | 2021-08-10 | 南通市力行机械制造有限公司 | Straightening device for production and processing of weight lifting rod |
| CN113231492B (en) * | 2021-07-08 | 2021-09-28 | 南通市力行机械制造有限公司 | Straightening device for production and processing of weight lifting rod |
| CN115815375A (en) * | 2023-02-20 | 2023-03-21 | 中国机械总院集团宁波智能机床研究院有限公司 | Lead screw straightening device and straightening method thereof |
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Application publication date: 20191206 |