CN110672392A - Prestress clamping device, sample grinding machine and workpiece grinding method - Google Patents

Prestress clamping device, sample grinding machine and workpiece grinding method Download PDF

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Publication number
CN110672392A
CN110672392A CN201911017730.1A CN201911017730A CN110672392A CN 110672392 A CN110672392 A CN 110672392A CN 201911017730 A CN201911017730 A CN 201911017730A CN 110672392 A CN110672392 A CN 110672392A
Authority
CN
China
Prior art keywords
handle
prestress
rod
clamping device
guide rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911017730.1A
Other languages
Chinese (zh)
Inventor
凌建飞
夏传林
陈洪昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Ship Marine Power Components Co Ltd
Original Assignee
China Ship Marine Power Components Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Ship Marine Power Components Co Ltd filed Critical China Ship Marine Power Components Co Ltd
Priority to CN201911017730.1A priority Critical patent/CN110672392A/en
Publication of CN110672392A publication Critical patent/CN110672392A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/286Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0023Other grinding machines or devices grinding machines with a plurality of working posts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0076Other grinding machines or devices grinding machines comprising two or more grinding tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/22Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/07Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a stationary work-table

Abstract

The invention discloses a prestress clamping device, a sample grinding machine and a workpiece grinding method, wherein the prestress clamping device comprises a prestress mechanical arm and a handle cover shell, an output actuating end of the prestress mechanical arm is detachably connected with the handle cover shell, the pressure of the output actuating end of the prestress mechanical arm is always kept horizontal so that a pressing cover surface of the handle cover shell is always kept vertical, the prestress mechanical arm comprises a transmission arm assembly, a pressing piece and a limiting guide rail piece, and the pressing piece and the limiting guide rail piece are arranged on the transmission arm assembly to guide and press; the sample grinding machine is provided with the prestress clamping device, and the workpiece is clamped by the prestress clamping device to be automatically ground, so that a large amount of working hours and manpower are saved, the grinding efficiency and safety guarantee of the test block are improved, and the labor intensity of workers is reduced.

Description

Prestress clamping device, sample grinding machine and workpiece grinding method
Technical Field
The invention relates to polishing equipment, in particular to a prestress clamping device, a sample polishing machine and a workpiece polishing method.
Background
In a foundry shop, a front laboratory needs to sample molten iron/molten steel components in the smelting process of a smelting furnace, make test blocks and perform small-component and multi-batch material analysis, and before metal component analysis, the surfaces of the test blocks need to be polished. Because the test block is mostly the diameter 30mm, the circular metal block of thickness 5mm, conventional polishing method adopts modes such as hand to hold to press the test block and polishes on the emery wheel piece of sample grinder, because the test block is less and thin, operating personnel's carelessness makes the finger contact the emery wheel piece easily to receive the damage of different degrees, need personnel to operate by side during polishing all the time, occupied a large amount of time, reduced labor efficiency.
Disclosure of Invention
In order to overcome the defects of the prior art, the prestress clamping device, the sample grinding machine and the workpiece grinding method are provided, the problems can be solved, and the purpose of grinding the test block safely, conveniently and efficiently is finally achieved.
The design principle is as follows: the polishing mode is improved, a mechanical arm capable of being stressed in advance is additionally arranged on the existing sample polishing machine, and meanwhile, the mechanical arm is matched with a handle for clamping, so that a test block is pressed on a grinding wheel sheet under the condition that the test block is not required to be pressed manually or contacted; meanwhile, the mechanical arm with the pre-stress function can automatically press the test block.
The technical scheme is as follows: the purpose of the invention is realized by adopting the following technical scheme.
The prestress clamping device for the sample grinding machine comprises a prestress mechanical arm and a handle housing, wherein an output actuating end of the prestress mechanical arm is detachably connected with the handle housing, the pressure of the output actuating end of the prestress mechanical arm is kept horizontal all the time so that a pressing cover surface of the handle housing is kept vertical all the time, the prestress mechanical arm comprises a transmission arm assembly, a pressing piece and a limiting guide rail piece, and the pressing piece and the limiting guide rail piece are arranged on the transmission arm assembly to guide and press.
Preferably, the transmission arm assembly of the prestress clamping device is a four-bar plane mechanism of a parallel hinge, the four-bar plane mechanism of the parallel hinge comprises a first swing bar, a second swing bar, a handle and a fixed rod, bottom pivots of the first swing bar and the second swing bar which are equal in length and arranged in parallel are hinged to two ends of the fixed rod, pivots of the upper ends and the lower ends of the first swing bar and the second swing bar which are equal in distance are hinged to a rod body of the handle, and the lower portion of the rod body of the fixed rod is fixedly connected to a connecting seat.
Preferably, one end of the pressing piece is pivotally connected to the lower rod body of the first swing rod, and the other end of the pressing piece is pivotally connected to the upper rod body of the second swing rod; and a guide rail groove is formed in the upper part of one end of the limiting guide rail part, the guide rail groove is in embedded sliding connection with a guide part arranged on the upper rod body of the first swing rod, and the other end of the limiting guide rail part is pivotally connected to the lower rod body of the second swing rod.
Preferably, the pressing piece and the limiting guide rail piece are arranged on two side faces of the four-bar plane mechanism of the parallel hinge in a relatively crossed manner.
Preferably, the pressing piece is a cylinder, an oil cylinder or a tension spring; the limiting guide rail part is a guide rail plate with a guide rail groove.
Preferably, the handle includes the handle body of rod, sets up handle portion and the setting of handle body of rod outer end are in the inner application of force connection pad of the handle body of rod annular array that link up sets up the connecting hole in the quotation of application of force connection pad the outside quotation middle part of application of force connection pad outwards protrusion sets up the location flange.
Preferably, the outer side of the handle housing is provided with inner concave cover grooves with different specifications, the inner side of the handle housing is provided with a circular positioning groove opposite to the inner concave cover grooves, threaded connection holes are uniformly distributed in an annular matrix on the outer peripheral side of the positioning groove, the positioning groove is matched with a positioning convex disc of the force application connecting disc in an embedded mode, and the handle housing is connected to the force application connecting disc through a bolt.
Preferably, one end of the force application connecting disc of the handle is arranged close to the first swing rod.
A sample grinding machine comprises a base rack, a motor and a grinding wheel, wherein the prestress clamping device is fixedly connected to the base rack through a supporting rod arranged at the bottom end of the prestress clamping device.
Preferably, the motor is a double-head motor, the two output ends of the double-head motor are both provided with a grinding wheel, and the two sides of the pedestal rack are both provided with a prestress clamping device.
A method for polishing a workpiece by adopting the sample polishing machine comprises the following steps:
s1, measuring the size, designing a handle housing, measuring the excircle size of a workpiece to be polished, and determining the size of an inner concave housing groove of the handle housing;
s2, manufacturing a handle cover, manufacturing the handle cover corresponding to the workpiece to be polished according to the size determined in the step S1, and simultaneously enabling half of the thickness of the workpiece to be embedded into the inner concave cover groove;
s3, mounting a prestress clamping device, fixing the bottom end of the prestress clamping device to a base rack of a sample grinding machine through a support rod, and connecting the output end of the prestress clamping device with the handle housing through a force application connecting disc of a handle;
s4, installing a workpiece, namely, pulling the handle part at the outer end of the handle outwards, and installing the workpiece to be polished into the inner concave cover groove of the handle cover;
s5, sample feeding and polishing, wherein a workpiece to be polished is attached to the grinding wheel by pushing the handle part at the outer end of the handle inwards, and the workpiece is automatically polished by starting the motor after hands are loosened.
Compared with the prior art, the invention has the beneficial effects that: the grinding wheel can be installed on an existing stokehole laboratory sample grinding machine, a test block or a workpiece needing to be ground can be easily placed after installation, the mechanical arm with the prestress is rotated, and the handle provided with the test block or the workpiece is placed on the grinding wheel to be ground. A large amount of man-hours and manpower have been saved, have improved the efficiency and the safety guarantee of polishing of test block, have reduced artificial intensity of labour.
Drawings
Fig. 1 is a schematic structural diagram of a sample grinding machine according to an embodiment of the invention;
FIG. 2 is a schematic structural view of a pre-stressed clamping device;
fig. 3 is an exploded view of the handle and handle housing assembly.
In the figure: 100. a pre-stressed clamping device; 101. a first swing link; 102. a second swing link; 103. a handle; 104. fixing the rod; 105. a force application connecting disc; 1051. positioning the convex disc; 106. a connecting seat; 107. applying a pressing piece; 108. a limiting guide rail member; 109. a guide rail groove; 110. a handle housing; 111. a positioning groove; 112. an inner concave cover groove; 200. a support bar; 300. a base stand; 400. a motor; 500. and (5) grinding wheels.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 3, a prestressed clamping device for a sample grinder, referring to fig. 2, the prestressed clamping device 100 includes a prestressed mechanical arm and a handle housing 110, an output actuating end of the prestressed mechanical arm is detachably connected to the handle housing 110, a pressure of the output actuating end of the prestressed mechanical arm is always kept horizontal so that a pressing cover of the handle housing 110 is always kept vertical, the prestressed mechanical arm includes a driving arm assembly, a pressing member 107 and a limiting guide rail member 108, and the pressing member 107 and the limiting guide rail member 108 are arranged on the driving arm assembly for guiding and pressing.
Specifically, in one embodiment, the driving arm assembly of the pre-stressed clamping device 100 is a parallel-hinged four-bar plane mechanism, the parallel-hinged four-bar plane mechanism includes a first swing link 101, a second swing link 102, a handle 103 and a fixing rod 104, bottom ends of the first swing link 101 and the second swing link 102, which are equal in length and arranged in parallel, are pivotally connected to two ends of the fixing rod 104, upper ends and lower ends of the first swing link 101 and the second swing link 102 are pivotally connected to a rod body of the handle 103 at equal intervals, and a connecting seat 106 is fixedly connected to a lower portion of the rod body of the fixing rod 104.
Wherein, the pressing piece 107 and the limiting guide rail piece 108 are arranged on two sides of the four-bar plane mechanism of the parallel hinge in a relatively crossed manner.
One end of the pressing piece 107 is pivotally connected to the lower rod body of the first swing link 101, and the other end is pivotally connected to the upper rod body of the second swing link 102; a guide rail groove 109 is formed in the upper portion of one end of the limiting guide rail 108, the guide rail groove 109 is in sliding connection with a guide member provided on the upper rod body of the first swing link 101 in an embedded manner, and the other end of the limiting guide rail 108 is pivotally connected to the lower rod body of the second swing link 102.
Wherein, the pressing piece 107 is a cylinder, an oil cylinder or a tension spring, preferably a tension spring; the limit rail member 108 is a rail plate with a rail groove 109.
Referring to fig. 3, the handle 103 includes a handle rod, a handle portion disposed at an outer end of the handle rod, and a force application connecting plate 105 disposed at an inner end of the handle rod, wherein connection holes are disposed in a circular array penetrating a disk surface of the force application connecting plate 105, and a positioning convex disk 1051 is disposed in a middle portion of an outer disk surface of the force application connecting plate 105 and protrudes outward.
Wherein, the outer side of the disc-shaped handle cover shell 110 is provided with inner concave cover grooves 112 with different specifications, the inner side of the handle cover shell 110 is provided with a circular positioning groove 111 opposite to the inner concave cover groove 112, the outer periphery of the positioning groove 111 is provided with threaded connection holes which are distributed in an annular matrix, and the positioning groove 111 is embedded and matched with the positioning convex disc 1051 of the force application connecting disc 105, and the handle cover shell 110 is connected to the force application connecting disc 105 through bolts.
Further, one end of the force application connecting plate 105 of the handle 103 is disposed near the first swing link 101.
Referring to fig. 1, a sample grinding machine comprises a pre-stressed clamping device 100, a support rod 200, a base platform 300, a motor 400 and a grinding wheel 500, wherein the pre-stressed clamping device 100 is fixedly connected to the base platform 300 through the support rod 200 arranged at the bottom end.
Wherein, the motor 400 is a double-head motor, two output ends of the double-head motor are respectively provided with a grinding wheel 500, and two sides of the base rack 300 are respectively provided with a prestressed clamping device 100.
A method for polishing a workpiece by adopting the sample polishing machine comprises the following steps:
s1, measuring the size, designing a handle cover 110, measuring the excircle size of a workpiece to be polished, and determining the size of an inner concave cover groove 112 of the handle cover 110;
s2, manufacturing a handle cover 110, manufacturing the handle cover 110 corresponding to the workpiece to be polished according to the size determined in the step S1, and simultaneously enabling half of the thickness of the workpiece to be embedded into the inner concave cover groove 112;
s3, mounting the prestress clamping device 100, fixing the bottom end of the prestress clamping device 100 to a base rack 300 of a sample grinding machine through a support rod 200, and connecting the output end of the prestress clamping device 100 with a handle housing 110 through a force application connecting disc 105 of a handle 103;
s4, installing the workpiece, namely, pulling the handle part at the outer end of the handle 103 outwards, and installing the workpiece to be polished into the inner concave cover groove 112 of the handle cover 110;
and S5, delivering samples and polishing, wherein the workpiece to be polished is attached to the grinding wheel 500 by pushing the handle part at the outer end of the handle 103 inwards, and after the hand is loosened, the motor 400 is started to automatically polish the workpiece.
In sum, the handle housing 110 is designed with the inner concave housing grooves 112 of different specifications according to different workpieces to be polished, so as to meet the polishing requirements of workpieces of different specifications and realize automatic polishing without clamping or pressing.
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 technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (11)

1. The utility model provides a grind appearance machine prestressing force clamping device which characterized in that: the prestress clamping device (100) comprises a prestress mechanical arm and a handle housing (110), wherein an output actuating end of the prestress mechanical arm is detachably connected with the handle housing (110), the pressure of the output actuating end of the prestress mechanical arm is always kept horizontal so that a pressing cover surface of the handle housing (110) is always kept vertical, the prestress mechanical arm comprises a transmission arm assembly, a pressing piece (107) and a limiting guide rail piece (108), and the pressing piece (107) and the limiting guide rail piece (108) are arranged on the transmission arm assembly to guide and press.
2. The pre-stressed gripping apparatus of claim 1, wherein: the transmission arm assembly of the prestress clamping device (100) is a four-bar plane mechanism of a parallel hinge, the four-bar plane mechanism of the parallel hinge comprises a first swing rod (101), a second swing rod (102), a handle (103) and a fixed rod (104), bottom ends of the first swing rod (101) and the second swing rod (102) which are equal in length and arranged in parallel are hinged to two ends of the fixed rod (104), upper ends of the first swing rod (101) and the second swing rod (102) are hinged to a rod body of the handle (103) through pivots with the lower ends being equal in distance, and the lower portion of the rod body of the fixed rod (104) is fixedly connected to a connecting seat (106).
3. The pre-stressed gripping apparatus of claim 2, wherein: one end of the pressing piece (107) is pivotally connected to the lower rod body of the first swing rod (101), and the other end of the pressing piece is pivotally connected to the upper rod body of the second swing rod (102); and a guide rail groove (109) is formed in the upper part of one end of the limiting guide rail piece (108), the guide rail groove (109) is in embedded sliding connection with a guide piece arranged on the upper rod body of the first swing rod (101), and the other end of the limiting guide rail piece (108) is pivotally connected to the lower rod body of the second swing rod (102).
4. The pre-stressed gripping apparatus of claim 3, wherein: the pressing piece (107) and the limiting guide rail piece (108) are arranged on two side surfaces of the four-bar plane mechanism of the parallel hinge in a relatively crossed mode.
5. The pre-stressed gripping apparatus of claim 1 or 4, wherein: the pressing piece (107) is a cylinder, an oil cylinder or a tension spring; the limiting guide rail piece (108) is a guide rail plate with a guide rail groove (109).
6. The pre-stressed gripping apparatus of claim 2, wherein: handle (103) include the handle body of rod, set up and be in the handle portion of handle body of rod outer end and setting are in handle body of rod inner application of force connection pad (105) the annular array that link up sets up the connecting hole in the quotation of application of force connection pad (105) outside quotation middle part of application of force connection pad (105) outwards protrusion sets up location flange (1051).
7. The pre-stressed gripping apparatus of claim 6, wherein: the handle comprises a disc-shaped handle housing (110), wherein the outer side of the handle housing (110) is provided with inner concave housing grooves (112) of different specifications, the inner side of the handle housing (110) is provided with a circular positioning groove (111) which is opposite to the inner concave housing groove (112), uniformly distributed threaded connection holes of an annular matrix are formed in the outer peripheral side of the positioning groove (111), the positioning groove (111) is matched with a positioning convex disc (1051) of a force application connecting disc (105) in a chimeric mode, and the handle housing (110) is connected to the force application connecting disc (105) through a bolt.
8. The pre-stressed gripping apparatus of claim 6, wherein: one end of the force application connecting disc (105) of the handle (103) is arranged close to the first swing rod (101).
9. A sample grinding machine comprises a base rack (300), a motor (400) and a grinding wheel (500), and is characterized in that: a pre-stressed gripping device (100) according to any one of claims 2-8, being fixedly connected to the base gantry (300) by means of support rods (200) arranged at the bottom end.
10. The sample grinder of claim 9, wherein: the grinding machine is characterized in that the motor (400) is a double-head motor, two output ends of the double-head motor are respectively provided with a grinding wheel (500), and two sides of the base rack (300) are respectively provided with a prestress clamping device (100).
11. A method of sanding a workpiece using a sample grinder as claimed in claim 9, characterized in that the method comprises the following steps:
s1, measuring the size, designing a handle cover (110), measuring the excircle size of a workpiece to be polished, and determining the size of an inner concave cover groove (112) of the handle cover (110);
s2, manufacturing a handle cover (110), manufacturing the handle cover (110) corresponding to the workpiece to be polished according to the size determined in the step S1, and simultaneously enabling half of the thickness of the workpiece to be embedded into the inner concave cover groove (112);
s3, installing a prestress clamping device (100), fixing the bottom end of the prestress clamping device (100) to a base rack (300) of a sample grinding machine through a support rod (200), and connecting the output end of the prestress clamping device (100) with the handle housing (110) through a force application connecting disc (105) of a handle (103);
s4, installing the workpiece, namely, pulling the handle part at the outer end of the handle (103) outwards, and installing the workpiece to be polished into the inner concave cover groove (112) of the handle cover (110);
s5, sample feeding and polishing, wherein the workpiece to be polished is attached to the grinding wheel (500) by pushing the handle part at the outer end of the handle (103) inwards, and after the hand is loosened, the motor (400) is started to automatically polish the workpiece.
CN201911017730.1A 2019-10-24 2019-10-24 Prestress clamping device, sample grinding machine and workpiece grinding method Pending CN110672392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911017730.1A CN110672392A (en) 2019-10-24 2019-10-24 Prestress clamping device, sample grinding machine and workpiece grinding method

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Application Number Priority Date Filing Date Title
CN201911017730.1A CN110672392A (en) 2019-10-24 2019-10-24 Prestress clamping device, sample grinding machine and workpiece grinding method

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202419072U (en) * 2012-01-10 2012-09-05 泰州汇锦电子有限公司 Gas spring folding frame of all-in-one machine of computer
CN202678698U (en) * 2012-07-20 2013-01-16 江苏云海电气有限公司 A high-strength single-stage current collector
CN203779279U (en) * 2013-12-07 2014-08-20 泸州职业技术学院 Self-adaptation pressure mechanical arm polishing device
CN205166577U (en) * 2015-10-13 2016-04-20 江苏恒立高压油缸股份有限公司 Manipulator grinding device
CN207682109U (en) * 2018-01-08 2018-08-03 青岛鑫聚精密模具有限公司 A kind of intelligence numerically control grinder
CN109436929A (en) * 2018-11-06 2019-03-08 长园和鹰智能科技有限公司 Oscillating arm mechanisms, cloth-pressing device and layout machine
CN209425034U (en) * 2018-12-30 2019-09-24 长沙航空职业技术学院 A kind of work holder
CN211013735U (en) * 2019-10-24 2020-07-14 中船海洋动力部件有限公司 Prestress clamping device and sample grinding machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202419072U (en) * 2012-01-10 2012-09-05 泰州汇锦电子有限公司 Gas spring folding frame of all-in-one machine of computer
CN202678698U (en) * 2012-07-20 2013-01-16 江苏云海电气有限公司 A high-strength single-stage current collector
CN203779279U (en) * 2013-12-07 2014-08-20 泸州职业技术学院 Self-adaptation pressure mechanical arm polishing device
CN205166577U (en) * 2015-10-13 2016-04-20 江苏恒立高压油缸股份有限公司 Manipulator grinding device
CN207682109U (en) * 2018-01-08 2018-08-03 青岛鑫聚精密模具有限公司 A kind of intelligence numerically control grinder
CN109436929A (en) * 2018-11-06 2019-03-08 长园和鹰智能科技有限公司 Oscillating arm mechanisms, cloth-pressing device and layout machine
CN209425034U (en) * 2018-12-30 2019-09-24 长沙航空职业技术学院 A kind of work holder
CN211013735U (en) * 2019-10-24 2020-07-14 中船海洋动力部件有限公司 Prestress clamping device and sample grinding machine

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