CN202207940U - Precision grinding machine used for processing solar prism - Google Patents

Abstract

The utility model discloses a solar prism processing device and provides a precision grinding machine used for processing a solar prism having high automation degree and high processing precision. The precision grinding machine used for processing the solar prism in the utility model saves time and labor in clamping and is accurate in blank positioning. The utility model solves technical problems of large time and labor consumption, low positioning precision, poor processing quality, low performance in meeting use requirements and the like in solar prism processing in the prior art. The precision grinding machine used for processing the solar prism in the utility model includes a processing platform, and a grinding plate and a mechanical arm together disposed on the processing platform. The mechanical arm connects with blank through a grinding head main shaft. The grinding head main shaft is in a tube shape. A sleeve is embedded in a shaft hole in a front end of the grinding head main shaft. A draw bar capable of sliding along the sleeve axially is arranged in the sleeve. A body docking rod is connected to a front end of the draw bar in a keyed manner. The body docking rod is fixed in the sleeve through an elastic chuck in a clamped manner. A rear end of the draw bar leans against a power device through a Belleville spring.

Description

Be used to process the precision grinder of solar energy prism

Technical field

The utility model relates to solar energy prism process equipment, relates in particular to a kind of stock accurate positioning, the precision grinder that is used to process the solar energy prism that machining accuracy is high.

Background technology

The solar energy prism is parts important in the solar cell, and the surface accuracy of solar energy prism directly influences the serviceability of solar cell, and early stage solar energy prism generally adopts hand lapping; Not only production efficiency is low, and surface quality often is difficult to guarantee that existing solar energy prism processing generally is that stock is fixed on the mechanical arm; Adjust the position of stock again through mechanical arm; Make it to contact and reach the purpose of attrition process, but stock very easily produces radially in process or the rocking of circumferencial direction, and directly causes solar energy prism machining accuracy low thus with the grinding dish; Of poor quality, be difficult to satisfy instructions for use.

Chinese patent " solar energy photoelectric conversion focusing lens processing technology and special fixture thereof (CN101545992A) " discloses a kind of special fixture of solar energy photoelectric conversion focusing lens; It comprises matrix and mould; The upper end of described matrix is provided with the antifriction alloy body; The other end of matrix is equipped with rotor through bearing, the end of rotor be provided with can bonding lens platform, the top of antifriction alloy is provided with pressue device.This device is through bonding lens stock on the platform of rotor tip, and the other end of rotor, is connected with pressue device through the antifriction alloy body in the upper end of matrix on matrix through bearing fixing; Because rotor interts on bearing, add man-hour lens stock and rotate with the rotor circumference direction, between rotor and matrix, there is not axial direction positioning device in simultaneously; The inevitable drive lens stock of rotor is play up and down, is difficult to guarantee the machining accuracy of lens thus, therefore exists machining accuracy low equally; Of poor quality; Be difficult to satisfy technical problems such as instructions for use, after the lens process finishing, need manually to remove and install the rotor that is stained with stock simultaneously; Clamping process is loaded down with trivial details, inefficiency.

Summary of the invention

It is high that the utility model has mainly provided a kind of automaticity; Clamping is time saving and energy saving, stock accurate positioning, the precision grinder that is used to process the solar energy prism that machining accuracy is high; Having solved the solar energy prism that exists in the prior art adds and wastes time and energy man-hour; Positioning accuracy is low, and crudy is poor, is difficult to satisfy the technical problem of instructions for use etc.

The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals: a kind of precision grinder that is used to process the solar energy prism; Comprise processing platform and be located at grinding dish and the mechanical arm on the processing platform; Said mechanical arm links to each other with stock through grinding spindle, and said grinding spindle is a tubulose, in the axis hole of said grinding spindle front end, is embedded with sleeve; In said sleeve, being provided with can be along sleeve pull bar in axial sliding; The front end key of said pull bar is connected with by body rod, and the said body rod that leans on passes through the collet clamping in sleeve, and the rear end of said pull bar offsets through disk spring and power set.In the tubulose grinding spindle, sleeve is set; Come clamping to be stained with the body rod that leans on of stock through sleeve again; Because having, the prism of different size scope changes the requirement of leaning on body rod and sleeve; Therefore when the processing products of different specifications, get final product through lean on body rod and the sleeve that matches of changing different size, versatility is good; In addition when changing the processing stock, repeated friction is prone to cause the sleeve wearing and tearing between collet and the sleeve of body rod because clamping is leaned on, and therefore needs the periodic replacement sleeve can satisfy the positioning requirements by body rod, need not to change grinding spindle, convenience easy to maintenance; The pull bar key is connected in the sleeve axis hole, can prevent that pull bar from rotating in sleeve inner periphery direction, and the body rod key that leans on that is stained with stock is connected the pull bar front end, can prevent to lean on the body rod circumferencial direction to rotate equally, so the stock accurate positioning, and machining accuracy is high; During use, with back end of tie rod corresponding cylinder equal power device pushing drawing rod along sleeve lining to front slide, pull bar overcomes the deformation force of disk spring and drives synchronously collet and move forward to outside the sleeve by body rod; Pulling leans on body rod promptly dismountable; Change another be equipped with stock lean on body rod to insert in the collet and to be connected with pull bar front end key, otherwise pull bar promptly moves to Working position after under the restoring force effect of disk spring, the automatic contraction clip of collet is near body rod; Clamping process is time saving and energy saving; Convenient and swift, automaticity is high, has improved production efficiency.

As preferably; Said sleeve is connected in the grinding spindle axis hole through the sleeve flat key; Be provided with sleeve conical surface body at the middle part of said sleeve outer ring surface; Front end at said grinding spindle axis hole is provided with the grinding spindle conical surface hole of joining mutually with sleeve conical surface body, on the sleeve corresponding to sleeve conical surface body front end, is set with clamp nut, and said sleeve is fixed on grinding spindle through clamp nut.The sleeve key is connected in the grinding spindle axis hole, can prevent that the relative grinding spindle circumferencial direction of sleeve from rotating; Sleeve is connected in the grinding spindle conical surface hole through sleeve conical surface body, and fixes through clamp nut, and is simple in structure, firm position, easy accessibility.

As preferably; The outstanding commentaries on classics of the main shaft level of said grinding dish through tubulose is supported on the processing platform, and the lower end of said main shaft links to each other with drive motors through belt, is connected with countershaft at the mesopore internal key of said main shaft; Said grinding dish is fixed on the top of countershaft; A be rotationally connected end of apical axis of the corresponding cylinder that is provided with the bottom surface of countershaft, the top of air cylinder connecting rod, the other end of said apical axis makes progress overhead on the lower surface of countershaft.A fixing countershaft that rotates synchronously in the main shaft of hollow, the grinding dish is installed in the top of countershaft, and the bottom of countershaft is rotationally connected with the air cylinder connecting rod of casing below again; During conversion stock machined surface, mechanical arm drives on the stock and moves to outside the cylinder travel range, behind the conversion stock machined surface; Mechanical arm drives stock and drops to original position, and this moment, stock fully contacted with the grinding dish, because the effect of cylinder; Need not to adjust repeatedly the loss thickness that the stock height compensates the grinding dish during this time; Grinding force remains uniformity, and it is time saving and energy saving to operate, and enhances productivity; Because connecting rod and countershaft, therefore add grinding in man-hour dish for being rotationally connected and keep normal rotation, overall structure is simple, through the apical axis that on connecting rod, is rotationally connected, passes through the apical axis overhead again on the lower surface of countershaft, and the two-part structure is easy for installation and maintenance; When making progress, can regulate the grinding force of grinding dish, eliminate the trueness error that grinding adjustment debit consumption is brought thus automatically through the gas pressure in the change cylinder through cylinder promotion grinding dish, simple and practical.

As more preferably, be fixed with sleeve pipe on the top of said air cylinder connecting rod, an end of said sleeve pipe is fixed on the end face of air cylinder connecting rod, and the other end of said sleeve pipe is through the axial thrust bearing apical axis that is being rotationally connected.Through sleeve pipe is set on connecting rod, sleeve pipe is rotationally connected through axial thrust bearing and apical axis again, and is simple in structure, and sleeve pipe makes things convenient for the location and installation of axial thrust bearing.

As more preferably, coaxially in the upper surface of said apical axis be provided with toply, be provided with taper hole with top corresponding countershaft lower surface, said top overhead is in taper hole.In taper hole, can prevent that countershaft from shaking through top overhead in rotation process, promptly guarantee grinding dish card maintenance level in the process, thereby guarantee the machining accuracy of product.

As preferably; Saidly comprise connecting rod and be vertically connected on the positioning disk of connecting rod front end by body rod; On the rear end face of said connecting rod, be provided with keyway; Said keyway is joined mutually with the boss of pull bar leading section and is linked to each other, and the front end face and the stock of said positioning disk are fixedly linked, and the rear end face of said positioning disk is connected on the front end face of sleeve." T " font lean on body rod, simple in structure, can prevent that cooling fluid is splashed in the sleeve when leaning on positioning disk shutoff on the body rod on the outer face of sleeve, thereby can prevent that barrel bore and parts wherein from producing corrosion phenomena, guarantees to lean on the positioning accuracy of body rod.

As preferably, be connected with in the rearward end of said pull bar and cover the shape adjusting nut, an end apical grafting of said disk spring is on the end face of lid shape adjusting nut, and the other end apical grafting of said disk spring is on the rear end face of sleeve.Corresponding pull bar spins one and covers the shape adjusting nut in the rear end of disk spring; Make cylinder through covering shape adjusting nut compression disk spring; The one, prevent that disk spring from deviating from pull bar; The 2nd, can offset direction when guaranteeing the disk spring compression, cover the shape adjusting nut simultaneously and can prevent again and pull bar corresponding cylinder connecting rod wearing and tearing pull bar during the application of force repeatedly.

As preferably, the coaxial counterbore that is provided with of the outboard end of said sleeve, the outboard end of said counterbore is cone-shaped, and the outer ring surface of said collet and counterbore are joined mutually and are slidingly connected in the counterbore, and the length of said collet is less than the length of counterbore.Collet is positioned at counterbore, and at front end the taper surface of joining mutually is set, and can will be clamped in the collet by body rod through taper surface during the inside slippage of pull bar thus, and clamping force is big, has improved the positioning accuracy of leaning on body rod; The length of collet can make collet be contracted in the sleeve fully less than the length of counterbore, thereby prevents that collet from issuing get rusty erosion phenomenon or foreign material in the effect of cooling fluid and getting into and cause the wearing and tearing aggravation, has guaranteed to lean on the positioning accuracy of body rod.

As preferably, on said mechanical arm, be provided with and drive commentaries on classics face mechanism and the commentaries on classics face locking mechanism that grinding spindle rotates, and the corner driving mechanism and the corner locking mechanism that change the grinding spindle pitch angle.Through commentaries on classics face mechanism and rotation angle mechanism are set on mechanical arm; Can change the stock machined surface automatically according to processing request; Through on rotation angle mechanism and the rotation angle mechanism locking device being set, can change the stock pitch angle automatically and lock the machined surface position according to processing request, get final product the conversion face thereby need not again clamping; Automaticity is high, has improved production efficiency and positioning accuracy.

As preferably; Parallelly on said processing platform be provided with two horizontal slide rails; Said mechanical arm is connected across on two horizontal slide rails slidably, on corresponding to the processing platform between two horizontal slide rails, is provided with two tanks, in the said grinding dish tank located therein; Level is provided with the second grinding dish in another tank, and has difference in height between said second grinding dish and grinding dish.Two horizontal slide rails support, and guarantee that mechanical arm operates steadily, thereby improve card finishing machining accuracy; Through two tanks are set on processing platform; Can two hardness and the different grinding dish of roughness be separately positioned in two tanks thus, promptly one is the grinding dish that is used for processing and forming, and another is the polishing disk that is used for the part polishing; The processing of same station last time property completion two procedures; Production efficiency is high, twice processing of one-time positioning, and machining accuracy is high; The grinding dish that hardness and roughness are high is provided with on the lower position, position, thereby powder on the hard grinding dish can not fallen on the low polishing disk of hardness and roughness, thereby can not influence the normal process of polishing process; Tank is used for the classification recovery and reuse of grinding with cooling fluid, practices thrift cost; Two different grinding dishes of height have also enlarged the commentaries on classics face angular range of stock simultaneously, have improved production efficiency.

Therefore; The precision grinder that being used to of the utility model processed the solar energy prism has following advantage: through sleeve is set in grinding spindle; Can satisfy positioning accuracy request through the periodic replacement sleeve; Convenient for maintaining not only, and can satisfy the prism processing request of different size scope through lean on body rod and the sleeve that matches of changing different size, versatility is good; Between pull bar and sleeve and lean between body rod and pull bar and all adopt key to be connected, can prevent that pull bar from along the circumferential direction rotating, and guarantees the positioning accuracy of stock in sleeve and by the relative pull bar of body rod; Can light dismounting after the power set pushing drawing rod reach have the body rod that leans on of stock, clamping process is time saving and energy saving, and is convenient and swift, and production efficiency is high; Can change the grinding force of grinding dish arbitrarily through the air pressure of regulating cylinder, eliminate the trueness error that grinding adjustment debit consumption is brought thus automatically, adjustment process is time saving and energy saving, enhances productivity; Air cylinder connecting rod is connected easy disassembly through apical axis with countershaft.

Description of drawings:

Fig. 1 is the structural representation that the utility model is used to process the precision grinder of solar energy prism;

Fig. 2 is the structural representation of mechanical arm;

Fig. 3 is an A place enlarged drawing shown in Figure 2;

Fig. 4 is the axial cutaway view of sleeve;

Fig. 5 is the axial cutaway view that leans on body rod;

Fig. 6 is the longitudinal sectional view after the utility model removes mechanical arm;

Fig. 7 is a B place enlarged drawing shown in Figure 6.

The specific embodiment:

Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.

Embodiment:

As shown in Figure 1, the precision grinder that is used to process the solar energy prism of the utility model comprises the processing platform 1 of a frame structure; Upper surface at processing platform 1 has two square tanks 12, has been horizontally disposed with a grinding dish 2 at tank 12 middle parts in left side, has been horizontally disposed with one second grinding dish 8 at tank 12 middle parts on right side; Grinding dish 2 to the second grinding dishes 8 high 40mm wherein, the second grinding dish 8 is used for grinding, and grinding dish 2 is used for the part after the completion is polished processing; On the processing platform 1 of tank 12 both sides secured in parallel two horizontal slide rails 11, across two horizontal slide rails 11 mechanical arm 3 that is slidingly connected, mechanical arm 3 comprises the grinding spindle 31 that is provided with along the direction of horizontal slide rail 11; Stock 4 to be processed is fixed on the front end of grinding spindle 31, and a corner driving mechanism 6 that can change grinding spindle 31 pitch angles is housed in the left side casing of corresponding grinding spindle 31, and a corner locking mechanism 7 that can lock grinding spindle 31 pitch angles is housed in the casing of right side; Above the grinding spindle between the casing of the left and right sides 31, be equipped with one and can drive the commentaries on classics face mechanism 5 that grinding spindle 31 rotates, as shown in Figure 2, grinding spindle 31 is the pipe shape; Wherein preceding half section axis hole of grinding spindle 31 is that inner small and outside big, tapering is 8 ° grinding spindle conical surface hole 311, sleeve 32 of setting-in in corresponding to grinding spindle 31 axis holes of grinding spindle conical surface hole 311 sides, and tapering of coaxial formation is 8 ° a sleeve conical surface body 321 at the middle part of sleeve 32 outer ring surfaces; Sleeve conical surface body 321 is joined with grinding spindle conical surface hole 311 mutually, and sleeve 32 is connected in the axis hole of grinding spindle 31 through sleeve flat key 37 keys, clamp nut 38 of suit on corresponding to the sleeve 32 of sleeve conical surface body 321 front ends; Clamp nut 38 is screwed on the grinding spindle 31, and is as shown in Figure 4, has a counterbore 322 in that the front end of sleeve 32 axis holes is coaxial; The front end of counterbore 322 is that inner small and outside big, tapering is 1 ° sleeve conical surface hole, and the length in sleeve conical surface hole accounts for 1/2 of counterbore 322 length overalls, and in the axis hole of sleeve 32, connecting one through flat key can be along sleeve 32 pull bar 33 in axial sliding; As shown in Figure 3, the boss 331 of " one " font of front end face middle part processing of pull bar 33, pull bar 33 leans on body rod 34 keys to be connected through the boss 331 of " one " font with one; As shown in Figure 5, lean on body rod 34 to comprise that connecting rod 341 and integral type are vertically connected on the positioning disk 342 of the circle of connecting rod 341 front ends, on the rear end face of connecting rod 341, have the groove of " an one " font of joining mutually with the boss 331 of " one " font; The boss 331 of " one " font is inserted in the groove of " one " font, and stock 4 is bonded at through glue on the front end face of positioning disk 342, at pull bar 33 and the collet 35 of outside shroud that leans on body rod 34 junctions; Collet 35 has the circle tube member of 6 " U " shape open slots for outboard end, and the rear end of collet 35 is coaxial to be screwed in corresponding to pull bar 33 leading sections in the counterbore 322, and the inner ring surface of collet 35 is clamped on the outer ring surface by body rod 34 rearward end; The outer ring surface of collet 35 and the counterbore at place 322 join mutually and slide debouch counterbore 322 inside and outside, in the time of in collet 35 gets into counterbore 322 fully, the rear end face of positioning disk 342 is connected on the front end face of sleeve 32 and blocks the axis hole of sleeve 32 fully; Be with a disk spring 36 in the rear end of pull bar 33, the medial extremity of disk spring 36 is connected on the rear end face of sleeve 32, briquetting of suit on the corresponding pull bar 33 of the outboard end of disk spring 36; Spin one on the pull bar 33 of briquetting outside correspondence and cover shape adjusting nut 39; On the casing corresponding with lid shape adjusting nut 39 power set 9 are housed, power set 9 are cylinder, and the drive link on the cylinder is coaxial to be connected on the outer face of covering shape adjusting nut 39.As shown in Figure 6, grinding dish 2 is fixed on the processing platform 1 through vertically disposed pair of main axle structure, and two main axle structures comprise the main shaft 21 of the tubular of a hollow; In the mesopore of main shaft 21, connect a countershaft 24 synchronously through spline; The two ends of countershaft 24 extend to the outside of main shaft 21 both ends of the surface respectively, and grinding dish 2 is through on the coaxial upper surface that is fixed on countershaft 24 of screw, fixing cylinder 25 on corresponding to the processing platform 1 of countershaft 24 lower surfaces; As shown in Figure 7; Air cylinder connecting rod 251 on the cylinder 25 is directed upwards towards countershaft 24, coaxial fixing sleeve pipe 27 on the top of air cylinder connecting rod 251, and sleeve pipe 27 comprises that rounded bottom surface and coaxial integral type are connected the circular case on the rounded bottom surface; Rounded bottom surface one side is through being bolted on air cylinder connecting rod 251 end faces; A coaxial counterbore, axial thrust bearing 28 of setting-in in counterbore, the end of coaxial fixedly apical axis 26 in the axis hole of axial thrust bearing 28 of having on the other end end face of circular case; In the upper end of apical axis 26 top 261 of a taper of coaxial formation; Middle part, countershaft 24 lower surfaces corresponding with top 261 has a taper hole 241, top 261 join mutually with taper hole 241 and overhead in taper hole 241, columniform boss of coaxial formation on the lower surface of apical axis 26; Columniform boss interts in the axis hole of axial thrust bearing 28 and interference fit; Link to each other with the drive motors 23 of processing platform 1 front side through belt 22 in main shaft 21 bottoms, the second grinding dish 8 is fixed on the top of second main shaft 81, and second main shaft 81 links to each other with second motor 82 on processing platform 1 right side through another belt.

When the utility model uses, start power set 9, the connecting rod pushing drawing rod 33 on the power set 9 forward; Pull bar 33 overcomes the deformation force of disk spring 36 and drives collet 35 and lean on body rod 34 to move forward synchronously, 2mm outside collet 35 stretches out sleeve 32, and pulling leans on body rod 34 outside; Lean on body rod 34 to remove simultaneously, get another body rod 34 that leans on that stock 4 is housed to be processed and insert in the collet 35, lean on 33 pairs on body rod 34 and pull bar to insert the back key and link together together with stock 4; Start power set 9 back links and retreat, pull bar 33 promptly moves after under the restoring force effect of disk spring 36, behind collet 35, moves to its front end face and is lower than sleeve 32 outer face 3mm; And lean on positioning disk 342 inner faces on the body rod 34 to be connected on the outer face of sleeve 32 and block the axis hole of sleeve 32, can stock 4 each size be alignd automatically in the time of clamping, guarantee the uniformity of product working origin and the uniformity of cutter; It is time saving and energy saving to operate; Convenient and swift, mobile mechanical arm 3 to second grinding dishes 8 tops then are through corner driving mechanism 6, corner locking mechanism 7 and the position of changeing face mechanism 5 adjustment grinding spindles 31; Carry out grinding after starting second motor 82; During this time through corner driving mechanism 6, corner locking mechanism 7 and change the machined surface of face mechanism 5 conversion stocks 4, after the completion of processing, processing is polished in the top that again mechanical arm 3 is moved to grinding dish 2; Guarantee that stock 4 is positioned at the travel range of cylinder 25; And confirm stock removal with polishing time according to the air pressure of cylinder 25 size, and moving on the air cylinder connecting rod 41 on the cylinder 25 and promote grinding dish 2 and upwards with after stock 4 contact can polish processing, mechanical arm 3 drive stocks 4 made progress to the stroke of cylinder 25 after polishing was accomplished; Make stock 4 leave grinding dish 2 surfaces; Mechanical arm 3 drives stock 4 again and fully contact with grinding dish 2 down to original position behind conversion stock 4 machined surfaces, can polish processing to another surface, during can regulate the grinding force of grinding dish 2 through change cylinder 25 interior gas pressures; Automatically eliminate the trueness error that 2 losses of grinding dish bring thus, simple and practical.

Specific embodiment described herein only is that the design to the utility model illustrates.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.

Claims (10)

1. precision grinder that is used to process the solar energy prism; Comprise processing platform (1) and be located at grinding dish (2) and the mechanical arm (3) on the processing platform (1); Said mechanical arm (3) links to each other with stock (4) through grinding spindle (31); It is characterized in that: said grinding spindle (31) is a tubulose; In the axis hole of said grinding spindle (31) front end, be embedded with sleeve (32), in said sleeve (32), being provided with can be along sleeve (32) pull bar (33) in axial sliding, and the front end key of said pull bar (33) is connected with by body rod (34); The said body rod (34) that leans on passes through collet (35) clamping in sleeve (32), and the rear end of said pull bar (33) offsets through butterfly spring (36) and power set (9).

2. the precision grinder that is used to process the solar energy prism according to claim 1; It is characterized in that: said sleeve (32) is connected in grinding spindle (31) axis hole through sleeve flat key (37); Middle part at said sleeve (32) outer ring surface is provided with sleeve conical surface body (321); Front end at said grinding spindle (31) axis hole is provided with the grinding spindle conical surface hole (311) of joining mutually with sleeve conical surface body (321); On the sleeve (32) corresponding to sleeve conical surface body (321) front end, be set with clamp nut (38), said sleeve (32) is fixed on the grinding spindle (31) through clamp nut (38).

3. the precision grinder that is used to process the solar energy prism according to claim 1 and 2; It is characterized in that: said grinding dish (2) is supported on the processing platform (1) through outstanding commentaries on classics of main shaft (21) level of tubulose; The lower end of said main shaft (21) links to each other with drive motors (23) through belt (22); Mesopore internal key at said main shaft (21) is connected with countershaft (24); Said grinding dish (2) is fixed on the top of countershaft (24); A be rotationally connected end of apical axis (26) of the corresponding cylinder (25) that is provided with the bottom surface of countershaft (24), the top of air cylinder connecting rod (251), the other end of said apical axis (26) makes progress overhead on the lower surface of countershaft (24).

4. the precision grinder that is used to process the solar energy prism according to claim 3; It is characterized in that: be fixed with sleeve pipe (27) on the top of said air cylinder connecting rod (251); One end of said sleeve pipe (27) is fixed on the end face of air cylinder connecting rod (251), and the other end of said sleeve pipe (27) is through axial thrust bearing (28) apical axis (26) that is being rotationally connected.

5. the precision grinder that is used to process the solar energy prism according to claim 3; It is characterized in that: coaxially in the upper surface of said apical axis (26) be provided with top (261); Countershaft (24) lower surface corresponding with top (261) is provided with taper hole (241), and said top (261) overhead is in taper hole (241).

6. the precision grinder that is used to process the solar energy prism according to claim 1 and 2; It is characterized in that: the said positioning disk (342) that leans on body rod (34) to comprise connecting rod (341) and be vertically connected on connecting rod (341) front end; On the rear end face of said connecting rod (341), be provided with keyway (343); Said keyway (343) is joined mutually with the boss (331) of pull bar (33) leading section and is linked to each other; The front end face of said positioning disk (342) and stock (4) are fixedly linked, and the rear end face of said positioning disk (342) is connected on the front end face of sleeve (32).

7. the precision grinder that is used to process the solar energy prism according to claim 1 and 2; It is characterized in that: be connected with in the rearward end of said pull bar (33) and cover shape adjusting nut (39); One end apical grafting of said butterfly spring (36) is on the end face of lid shape adjusting nut (39), and the other end apical grafting of said butterfly spring (36) is on the rear end face of sleeve (32).

8. the precision grinder that is used to process the solar energy prism according to claim 1 and 2; It is characterized in that: the coaxial counterbore (322) that is provided with of the outboard end of said sleeve (32); The outboard end of said counterbore (322) is cone-shaped; The outer ring surface of said collet (35) and counterbore (322) are joined mutually and are slidingly connected in the counterbore (322), and the length of said collet (35) is less than the length of counterbore (322).

9. the precision grinder that is used to process the solar energy prism according to claim 1 and 2; It is characterized in that: on said mechanical arm (3), be provided with and drive commentaries on classics face mechanism (5) and the commentaries on classics face locking mechanism that grinding spindle (31) rotates, and the corner driving mechanism (6) and the corner locking mechanism (7) that change grinding spindle (31) pitch angle.

10. the precision grinder that is used to process the solar energy prism according to claim 1 and 2; It is characterized in that: go up parallel two horizontal slide rails (11) that are provided with at said processing platform (1); Said mechanical arm (3) is connected across on two horizontal slide rails (11) slidably; On corresponding to the processing platform (1) between two horizontal slide rails (11), be provided with two tanks (12); In said grinding dish (2) tank (12) located therein, level is provided with the second grinding dish (8) in another tank (12), and has difference in height between said second grinding dish (8) and grinding dish (2).

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