CN115555623B - Precise machining clamp for elastic body of weighbridge sensor - Google Patents
Precise machining clamp for elastic body of weighbridge sensor Download PDFInfo
- Publication number
- CN115555623B CN115555623B CN202211546055.3A CN202211546055A CN115555623B CN 115555623 B CN115555623 B CN 115555623B CN 202211546055 A CN202211546055 A CN 202211546055A CN 115555623 B CN115555623 B CN 115555623B
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- clamping
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- rod
- rotary table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention relates to the technical field of processing of a wagon balance sensor elastomer, in particular to a wagon balance sensor elastomer finish machining clamp which comprises: the intermittent type rotary table comprises a positioning base station, an intermittent type rotary table and a clamping positioner fixedly mounted at the output end of the intermittent type rotary table, wherein a supporting shaft frame and a driving shaft frame are fixedly mounted at two ends of the top surface of the positioning base station respectively, a clamping workbench is rotatably mounted on the inner sides of the supporting shaft frame and the driving shaft frame, and the intermittent type rotary table is embedded and mounted on the inner side of the clamping workbench. Through setting up novel anchor clamps structure of embracing, utilize a plurality of chuck poles in centre gripping locator surface and clamping piece to embrace the centre gripping to weighbridge sensor elastomer, increase through centre gripping area of contact is in order to improve centre gripping location stability, each chuck pole accessible control seat and piston motion subassembly carry out independent control, break away from the clamping position by the chuck pole of milling the face and carry out the unilateral and mill in carrying out weighbridge sensor elastomer surface milling, thereby avoid milling the work piece removal in the finish machining, improve the machining precision.
Description
Technical Field
The invention relates to the technical field of processing of elastic bodies of a weighbridge sensor, in particular to a clamp for finely processing the elastic bodies of the weighbridge sensor.
Background
The weighbridge sensor is a device for converting a mass signal into a measurable electric signal and outputting the measurable electric signal, and most of common weighbridge sensors are resistance strain sensors. The pressure sensor elastomer material is generally made of metal, and most of the available materials are aluminum alloy materials, alloy steel materials and stainless steel materials. The alloy material has the advantages of rigidity, deformation consistency guarantee, deformation recovery guarantee, and good weather-proof and corrosion-resistant performance. The main requirements of the elastic body are that the elastic body can accurately transmit stress information and keep the deformation consistency and complete restoration under the same stress.
Various annular stress release grooves, pressure guide cavities, assembly cavities and other structures need to be milled on the elastic surface of the pressure sensor through milling equipment in the elastic production of the pressure sensor, the elastic body of the weighbridge sensor is clamped mainly through a universal clamping table in the existing machining, the deformation of the elastic body is large due to overlarge clamping force, the milling machining precision is affected, the elastic body is prone to deflection or falling due to undersize clamping force, the clamping force needs to be repeatedly corrected by an operator to guarantee balance between the clamping force and the machining pressure of the elastic body, the operation positioning efficiency is low, the machining rejection rate is high, in addition, the motion flexibility of the milling structure and the machine table is limited in the concentration process, manual surface turning operation on each side is needed in the machining of the elastic body of the weighbridge sensor, certain deviation exists in the milling machining of each surface due to the removal of reloading, and certain defects are caused.
In view of the above, the present invention provides a precise machining fixture for elastomer of a weighbridge sensor, which is developed and improved to solve the problems of low machining precision and high difficulty in clamping operation control in the prior art, and aims to achieve the purposes of solving the problems and improving the practical value through the technology.
Disclosure of Invention
The present invention has been made to solve one of the technical problems occurring in the prior art or the related art.
Therefore, the technical scheme adopted by the invention is as follows: a weigh scale sensor elastomer finishing jig comprising: the intermittent type rotary table comprises a positioning base station, an intermittent type rotary table and a clamping positioner fixedly arranged at the output end of the intermittent type rotary table, wherein a supporting shaft frame and a driving shaft frame are fixedly arranged at two ends of the top surface of the positioning base station respectively, a clamping workbench is rotatably arranged on the inner sides of the supporting shaft frame and the driving shaft frame, and the intermittent type rotary table is embedded and arranged on the inner side of the clamping workbench;
the centre gripping locator is including dividing accuse holder, chuck pole and clamping piece and fixed mounting in the inside control seat of branch accuse holder, a plurality of piston chambeies have been seted up on the surface of control seat, just the inboard slidable mounting in piston chamber has the piston motion subassembly, the top surface fixed mounting who divides the accuse holder has a plurality of engaging lugs, the bottom of chuck pole is rotated and is installed in the inboard of engaging lug, the surperficial swing joint of chuck pole has the gangbar, the top surface swing joint of piston motion subassembly has the bulb connecting rod, the bulb that is connected is rotated with the gangbar bottom to the top activity of bulb connecting rod has cup jointed and has been connected even seat, the bottom of control seat is equipped with a plurality of solenoid electric valves that communicate with the piston chamber one-to-one.
The invention in a preferred example may be further configured to: the inner sides of the clamping workbench and the driving shaft frame are respectively provided with a driving steering engine in transmission connection with one end of the positioning base station and the input end of the intermittent rotary table, the driving steering engine is of a servo motor structure, and the intermittent rotary table is arranged in the direction perpendicular to the surface of the clamping workbench.
The present invention in a preferred example may be further configured to: the intermittent type revolving stage includes fixed axle bed, input axostylus axostyle and pivot platform and rotates to install in the inboard driven shaft dish of fixed axle bed and fix the screw guide roller that cup joints in the input axostylus axostyle surface, the fixed bottom of cup jointing in the pivot platform of driven shaft dish, input axostylus axostyle and pivot platform are the vertical direction and arrange, and the bottom surface fixed connection of the top of pivot platform and centre gripping locator.
The invention in a preferred example may be further configured to: one end of the input shaft lever is fixedly connected with the output end of the driving steering engine, a plurality of convex pins are fixedly mounted on the surface of the driven shaft disc, the convex pins are uniformly distributed on the edge of the surface of the driven shaft disc in the circumferential direction, a spiral guide groove is formed in the surface of the spiral guide roller, and the convex pins are sleeved on the inner side of the spiral guide groove in a sliding mode.
The invention in a preferred example may be further configured to: the quantity of chuck pole is a plurality of, and a plurality of chuck pole be circumferencial direction evenly distributed in the surface of branch accuse holder and with control seat and piston motion subassembly one-to-one, the central angle of clamping piece equals the ratio of circumferential angle and chuck pole quantity.
The present invention in a preferred example may be further configured to: the bottom end of the control seat is communicated with a hydraulic driving assembly through an electromagnetic control valve, the hydraulic driving assembly is of an electric hydraulic cylinder or hydraulic pump structure, and the number of the electromagnetic control valves corresponds to the number of the chuck rods one to one.
The invention in a preferred example may be further configured to: the surface of the piston motion assembly is provided with a piston ring in interference fit with the inner side of a piston cavity of the control seat, the surface of the piston motion assembly is rotatably connected with the bottom end of the ball head connecting rod, the rotating direction of the piston motion assembly is arranged along the radial direction of the sub-control clamping seat and is perpendicular to the surfaces of the chuck rod and the clamping piece, and the bottom surface of the ball head connecting seat is provided with a ball head groove matched with the top end of the ball head connecting rod.
The present invention in a preferred example may be further configured to: the clamping piece is characterized in that one side of the clamping piece is provided with a quick-connection clamping groove matched with the surface of the chuck rod, the clamping piece is detachably connected with the surface of the chuck rod through the quick-connection clamping groove, the clamping piece is a soft rubber component and is in an arc bent plate shape.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, by arranging the novel encircling clamp structure, the elastic body of the weighbridge sensor is encircled and clamped by the clamping rods and the clamping pieces on the surface of the clamping positioner, the clamping positioning stability is improved by increasing the clamping contact area, each clamping rod can be independently controlled through the control seat and the piston motion assembly, and the clamping rod of the milling surface is separated from the clamping position to perform single-side milling during surface milling of the elastic body of the weighbridge sensor, so that the workpiece during milling finish machining is prevented from moving, and the machining precision is improved.
2. According to the invention, by arranging the multi-shaft clamping table structure, the clamping worktable is driven by the driving shaft frame to perform deflection motion and the clamping positioner is driven by the intermittent turntable to perform deflection, the deflection directions of two sides are mutually vertical, so that the multi-shaft deflection of the elastic piece on the surface of the clamping positioner is realized, the finish machining is performed by one-step forming, manual repeated clamping is not needed, and the deviation in repeated positioning operation is avoided.
3. According to the invention, by arranging the novel intermittent turntable structure, the spiral guide roller is driven by the outside to rotate and be in meshing transmission with each convex pin on the surface of the driven shaft disc, and the clamping positioner and the elastic piece clamped on the surface are subjected to intermittent rotation and positioning matching with each chuck rod, so that the intermittent turntable is stable in operation, has a self-locking characteristic, and avoids positioning deviation in the machining process, thereby further improving the machining precision.
Drawings
FIG. 1 is a schematic overall structure diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of a surface structure of a positioning stage according to an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of an intermittent turntable according to an embodiment of the present invention;
FIG. 4 is a schematic view of a clamp positioner according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a clamp positioner according to an embodiment of the invention;
FIG. 6 is a schematic view of the construction of the driven shaft disc and the spiral guide rollers of one embodiment of the present invention;
fig. 7 is a schematic structural view of a piston motion assembly, a ball connecting rod and a ball connecting seat according to an embodiment of the invention.
Reference numerals are as follows:
100. positioning the base station; 110. clamping a workbench; 120. a support pedestal; 130. a drive shaft mount;
200. an intermittent turntable; 210. fixing the shaft seat; 220. an input shaft; 230. a spindle table; 240. a driven shaft disc; 250. a spiral guide roller; 241. a boss pin;
300. a clamping positioner; 310. a sub-control clamping seat; 320. a chuck rod; 330. a clamping piece; 340. a control seat; 350. a piston motion assembly; 311. connecting lugs; 321. a linkage rod; 331. a clamping groove is connected quickly; 351. a ball head connecting rod; 352. a ball head connecting seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Some embodiments of the invention provide a weighbridge sensor elastomer finishing fixture, which is described below with reference to the accompanying drawings.
Referring to fig. 1 to 7, the present invention provides a fixture for finishing an elastomer of a weighbridge sensor, including: the intermittent type rotary table comprises a positioning base station 100, an intermittent type rotary table 200 and a clamping positioner 300 fixedly arranged at the output end of the intermittent type rotary table 200, wherein a supporting shaft bracket 120 and a driving shaft bracket 130 are fixedly arranged at two ends of the top surface of the positioning base station 100 respectively, a clamping workbench 110 is rotatably arranged at the inner sides of the supporting shaft bracket 120 and the driving shaft bracket 130, and the intermittent type rotary table 200 is embedded and arranged at the inner side of the clamping workbench 110; the clamping positioner 300 comprises a sub-control clamping seat 310, a chuck rod 320, a clamping piece 330 and a control seat 340 fixedly mounted inside the sub-control clamping seat 310, a plurality of piston cavities are formed in the surface of the control seat 340, a piston motion assembly 350 is slidably mounted on the inner side of each piston cavity, a plurality of connecting lugs 311 are fixedly mounted on the top surface of the sub-control clamping seat 310, the bottom end of the chuck rod 320 is rotatably mounted on the inner sides of the connecting lugs 311, a linkage rod 321 is movably connected to the surface of the chuck rod 320, a ball head connecting rod 351 is movably connected to the top surface of the piston motion assembly 350, a ball head connecting seat 352 rotatably connected to the bottom end of the linkage rod 321 is movably sleeved on the top end of the ball head connecting rod 351, and a plurality of electromagnetic control valves communicated with the piston cavities in a one-to-one correspondence manner are arranged at the bottom end of the control seat 340.
In this embodiment, the inner sides of the clamping worktable 110 and the driving shaft bracket 130 are respectively provided with a driving steering engine in transmission connection with one end of the positioning base 100 and the input end of the intermittent turntable 200, the driving steering engine is of a servo motor structure, and the intermittent turntable 200 is arranged in a direction perpendicular to the surface of the clamping worktable 110.
Specifically, press from both sides dress workstation 110 through drive pedestal 130 drive and carry out the deflection motion and deflect by intermittent type revolving stage 200 drive clamping position ware 300, two deflection direction mutually perpendicular to realize clamping position ware 300 surface elastic component multiaxis deflection and join in marriage and the digit control machine tool mills, improve processing work piece motion flexibility ratio, carry out finish machining one shot forming, need not artifical repetition and press from both sides the dress.
In this embodiment, the intermittent rotary table 200 includes a fixed shaft seat 210, an input shaft 220, a rotating shaft table 230, a driven shaft disc 240 rotatably mounted inside the fixed shaft seat 210, and a spiral guide roller 250 fixedly secured to the surface of the input shaft 220, the driven shaft disc 240 is fixedly secured to the bottom end of the rotating shaft table 230, the input shaft 220 and the rotating shaft table 230 are arranged in a vertical direction, and the top end of the rotating shaft table 230 is fixedly connected to the bottom surface of the clamping positioner 300.
Further, the one end of input shaft lever 220 and the output fixed connection of drive steering wheel, driven shaft dish 240's fixed surface installs a plurality of protruding round pins 241, and a plurality of protruding round pins 241 are circumferencial direction evenly distributed in driven shaft dish 240 surface edge, and the surface of spiral guide roller 250 is equipped with the spiral guide slot, and protruding round pin 241 slides and cup joints in the inboard of spiral guide slot.
Specifically, the driving steering engine drives the input shaft lever 220 and the spiral guide roller 250 to rotate actively, the spiral guide groove on the surface of the spiral guide roller 250 drives the driven shaft disc 240 and the rotating shaft table 230 to rotate through the engagement guide with the convex pin 241 in the rotating motion of the spiral guide roller 250, the driven shaft disc 240 rotates intermittently through the motion control of the chuck rod 320, and the driven shaft disc 240 prevents the spontaneous rotation of the driven shaft disc 240 from forming the locking of the motion state of the clamping positioner 300 through the structural characteristics of the spiral guide roller 250 and the driven shaft disc 240 after rotating for a certain angle.
In this embodiment, the number of the chuck rods 320 is several, and several chuck rods 320 are uniformly distributed on the surface of the sub-control chuck 310 in the circumferential direction and correspond to the control seat 340 and the piston moving assembly 350 one to one, and the central angle of the clamping piece 330 is equal to the ratio of the circumferential angle to the number of the chuck rods 320.
Specifically, a plurality of chuck rods 320 arranged in the circumferential direction are used for clamping the workpiece in a multi-side mode, and a plurality of clamping pieces 330 are combined to form a circumferential sleeve to clamp the workpiece in an encircling mode, so that the clamping area is increased, and the clamping stability is improved.
In this embodiment, the bottom end of the control seat 340 is communicated with a hydraulic driving assembly through electromagnetic control valves, the hydraulic driving assembly is in a structure of an electric hydraulic cylinder or a hydraulic pump, and the number of the electromagnetic control valves corresponds to the number of the chuck rods 320.
Specifically, the piston motion assemblies 350 are driven to move in a hydraulic driving mode so as to draw the chuck rod 320 to clamp or release, the chuck rod 320 is independently controlled by each independent piston motion assembly 350 and the electromagnetic control valve, the circumferential surfaces of the workpiece rings can be exposed one by one in the machining process, and therefore workpiece deviation or falling caused by machining is avoided.
In this embodiment, the surface of the piston motion assembly 350 is provided with a piston ring which is in interference fit with the inner side of the piston cavity of the control seat 340, the surface of the piston motion assembly 350 is rotatably connected with the bottom end of the ball connecting rod 351, the rotating direction of the piston motion assembly is arranged along the radial direction of the sub-control clamping seat 310 and is perpendicular to the surfaces of the clamping rod 320 and the clamping piece 330, and the bottom surface of the ball connecting seat 352 is provided with a ball groove which is matched with the top end of the ball connecting rod 351.
Specifically, the multi-connection structure of the piston motion assembly 350, the ball connecting rod 351 and the ball connecting seat 352 is utilized to improve the motion flexibility of the chuck rod 320, so that a larger distance is formed between the chuck rod 320 and a workpiece after the chuck rod is separated from the surface of the workpiece, and the milling drill bit can enter the workpiece conveniently.
In this embodiment, a quick-connect slot 331 adapted to the surface of the chuck rod 320 is formed at one side of the clamping piece 330, the clamping piece 330 is detachably connected to the surface of the chuck rod 320 through the quick-connect slot 331, the clamping piece 330 is a soft plastic member, and the clamping piece 330 is in an arc-shaped bent plate shape.
Specifically, utilize various specification detachable clamping pieces 330 to carry out quick assembly disassembly, the different specification's of adaptation weighbridge scale sensor elastomer improves the contact effect with the processing work piece to realize stable centre gripping and encircle the centre gripping.
The working principle and the using process of the invention are as follows:
when the clamp is used for finish machining of the elastic body of the weighing scale sensor, the control circuit which is in limited communication with the positioning base station 100, the intermittent rotary table 200 and the numerical control milling machine tool places the elastic body of the weighing scale sensor to be machined on the inner side of the chuck rod 320, hydraulic oil in a piston cavity in each control seat 340 is pumped out, the hydraulic drive piston motion assembly 350 moves downwards and pulls the chuck rod 320 to perform deflection motion, the clamping rod 320 and the surface clamping pieces 330 perform ring-wrapping clamping on the elastic body of the weighing scale sensor, and the surface of the elastic body of the weighing scale sensor can be stably abutted and clamped by replacing different clamping pieces 330, so that the clamping effect is improved;
in the milling process, oil is injected into a piston cavity of a control seat 340 at the processing side automatically controlled by a control end, a piston motion assembly 350 is driven to lift up to enable a clamping head rod 320 and a clamping piece 330 at the side to be separated from the surface of an elastomer to expose the processing surface at the side, milling finish machining is carried out, a clamping worktable 110 is driven to deflect by a driving shaft frame 130 and a clamping positioner 300 is driven to deflect by an intermittent turntable 200, the two deflection directions are mutually vertical, so that the surface of the clamping positioner 300 is milled by multi-shaft deflection matching of an elastic part and a numerical control machine tool, after one side processing is finished, the piston motion assembly 350 at the side backs up to draw the clamping head rod 320 and the clamping piece 330 to clamp the surface of the elastic part, a spiral guide roller 250 rotates under external driving to be meshed with each convex pin 241 on the surface of a driven shaft disc 240, the elastic piece of clamping locator 300 and surperficial centre gripping carries out intermittent rotation, and avoid the spontaneous rotation of driven reel 240 to form the locking to clamping locator 300 motion state through the structural feature of spiral deflector roll 250 and driven reel 240 after rotatory certain angle, control end drive another chuck pole 320 breaks away from the centre gripping, thereby only expose certain part as the machined surface in the course of working, guarantee the stability in the course of working, improve clamping stability by great centre gripping contact surface, and not through increasing the clamping dynamics, make this kind of clamping mode require lowerly to the regulation of clamping dynamics, avoid the product defect because of the too big and undersize of clamping dynamics leads to, improve the yields, and centre gripping location easy operation, improve work efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (5)
1. A weighbridge sensor elastomer finish machining clamp, comprising: the intermittent type rotary table comprises a positioning base station (100), an intermittent type rotary table (200) and a clamping positioner (300) fixedly installed at the output end of the intermittent type rotary table (200), wherein a supporting shaft bracket (120) and a driving shaft bracket (130) are fixedly installed at two ends of the top surface of the positioning base station (100) respectively, a clamping workbench (110) is rotatably installed on the inner sides of the supporting shaft bracket (120) and the driving shaft bracket (130), and the intermittent type rotary table (200) is embedded and installed on the inner side of the clamping workbench (110);
the clamping positioner (300) comprises a sub-control clamping seat (310), a chuck rod (320), a clamping piece (330) and a control seat (340) fixedly installed inside the sub-control clamping seat (310), wherein a plurality of piston cavities are formed in the surface of the control seat (340), piston motion assemblies (350) are installed on the inner sides of the piston cavities in a sliding mode, a plurality of connecting lugs (311) are fixedly installed on the top surface of the sub-control clamping seat (310), the bottom end of the chuck rod (320) is rotatably installed on the inner sides of the connecting lugs (311), a linkage rod (321) is movably connected to the surface of the chuck rod (320), a ball connecting rod (351) is movably connected to the top surface of the piston motion assemblies (350), a ball connecting seat (352) rotatably connected with the bottom end of the linkage rod (321) is movably sleeved at the top end of the ball connecting rod (351), and a plurality of electromagnetic control valves communicated with the piston cavities in a one-to-one correspondence mode are arranged at the bottom end of the control seat (340);
the inner sides of the clamping workbench (110) and the driving shaft bracket (130) are respectively provided with a driving steering engine in transmission connection with one end of the positioning base station (100) and the input end of the intermittent rotary table (200), the driving steering engine is of a servo motor structure, and the intermittent rotary table (200) is arranged in a direction vertical to the surface of the clamping workbench (110);
the number of the chuck rods (320) is a plurality, the chuck rods (320) are uniformly distributed on the surface of the sub-control chuck (310) in the circumferential direction and correspond to the control seat (340) and the piston motion assembly (350) one by one, and the central angle of each clamping piece (330) is equal to the ratio of the circumferential angle to the number of the chuck rods (320);
the bottom of the control seat (340) is communicated with a hydraulic driving assembly through electromagnetic control valves, the hydraulic driving assembly is of an electric hydraulic cylinder or hydraulic pump structure, and the number of the electromagnetic control valves corresponds to the number of the chuck rods (320) one by one.
2. The elastic body finishing fixture of the weighbridge sensor of claim 1, wherein the intermittent turntable (200) comprises a fixed shaft seat (210), an input shaft (220), a rotating shaft table (230), a driven shaft disc (240) rotatably mounted on the inner side of the fixed shaft seat (210) and a spiral guide roller (250) fixedly sleeved on the surface of the input shaft (220), the driven shaft disc (240) is fixedly sleeved on the bottom end of the rotating shaft table (230), the input shaft (220) and the rotating shaft table (230) are arranged in a vertical direction, and the top end of the rotating shaft table (230) is fixedly connected with the bottom surface of the clamping positioner (300).
3. The precise machining clamp for the elastic body of the weighbridge sensor according to claim 2, wherein one end of the input shaft rod (220) is fixedly connected with the output end of the driving steering engine, a plurality of convex pins (241) are fixedly mounted on the surface of the driven shaft disc (240), the convex pins (241) are uniformly distributed on the edge of the surface of the driven shaft disc (240) in the circumferential direction, a spiral guide groove is formed in the surface of the spiral guide roller (250), and the convex pins (241) are sleeved on the inner side of the spiral guide groove in a sliding mode.
4. The weighbridge sensor elastomer finishing clamp according to claim 1, characterized in that the surface of the piston motion assembly (350) is provided with a piston ring in interference fit with the inner side of a piston cavity of the control seat (340), the surface of the piston motion assembly (350) is rotatably connected with the bottom end of a ball connecting rod (351), the rotating direction of the piston motion assembly is arranged along the radial direction of the sub-control clamp seat (310) and is perpendicular to the surfaces of the chuck rod (320) and the clamping piece (330), and the bottom surface of the ball connecting seat (352) is provided with a ball groove matched with the top end of the ball connecting rod (351).
5. The precise machining fixture for the elastic body of the weighbridge sensor according to claim 1, wherein a quick-connection clamping groove (331) matched with the surface of the chuck rod (320) is formed in one side of the clamping piece (330), the clamping piece (330) is detachably connected with the surface of the chuck rod (320) through the quick-connection clamping groove (331), the clamping piece (330) is a soft rubber component, and the clamping piece (330) is in an arc bent plate shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211546055.3A CN115555623B (en) | 2022-12-05 | 2022-12-05 | Precise machining clamp for elastic body of weighbridge sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211546055.3A CN115555623B (en) | 2022-12-05 | 2022-12-05 | Precise machining clamp for elastic body of weighbridge sensor |
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| CN115555623A CN115555623A (en) | 2023-01-03 |
| CN115555623B true CN115555623B (en) | 2023-04-07 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE314263B (en) * | 1964-12-19 | 1969-09-01 | Adamovske Strojirny Np | |
| DE202012007283U1 (en) * | 2012-07-27 | 2012-09-10 | Claus Eickhoff | Model holder for measurement and alignment of workpieces for machiningHandelsliche designation of the category: "model table" Main purpose: "model table" for the dental treatment of dentures |
| CN110405519A (en) * | 2019-07-09 | 2019-11-05 | 缙云县旷视科技有限公司 | A kind of turntable clamp mechanism of ball pen head machining tool |
| CN113370111A (en) * | 2021-04-20 | 2021-09-10 | 浙江佛尔泰智能设备有限公司 | Universal joint adjusting device |
| CN113681584B (en) * | 2021-09-07 | 2022-12-06 | 河北工业大学 | Mechanical arm |
| CN113878181A (en) * | 2021-09-18 | 2022-01-04 | 中航西安飞机工业集团股份有限公司 | Clamping structure of gear parts and using method |
| CN216326676U (en) * | 2021-11-20 | 2022-04-19 | 武汉中金晟科技有限公司 | Part fixing device for part machining |
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