CN208801158U - Grinding clamp and grinding device - Google Patents

Abstract

The utility model provides a kind of grinding clamp and grinding device, belongs to mechanical equipment technical field.Grinding clamp includes fixed part and multiple spacer pins, fixed part includes the first surface and second surface being oppositely arranged, multiple spacer pins are evenly spaced in the periphery of first surface and extend to the direction far from first surface, object to be held is placed in the region enclosed by multiple spacer pins on the first surface, the geometric center of second surface is provided with accommodating hole, for connecting with milling apparatus.Grinding device includes the grinding clamp of workpiece plate, abrasive disk, contact pin, driving assembly and above-mentioned any one, workpiece plate is for placing workpiece to be ground, the object placement location to be held of grinding clamp is arranged in workpiece plate, workpiece plate and abrasive disk frictional connection, one end of contact pin is connect with driving assembly, the other end and grinding clamp connect.

Description

Grinding clamp and grinding device

Technical field

The utility model relates to mechanical equipment technical fields, in particular to a kind of grinding clamp and grinding device.

Background technique

Modern age optical rapid development so that optical glass device using more and more extensive, from ordinary consumption product to precise light The demand also increasingly huge increasing in the markets such as instrument, defence and military, communication is learned, while to the surface quality of optical element, it is optical Energy requirement is also higher and higher, and grinding all the time, polishing are all the committed steps in optical manufacturing.

The means of abrasion of existing grinding device is usually composed of contact pin, abrasive disk, workpiece plate and thimble, and thimble is Metal cylinder, contact pin are inserted on thimble.But existing grinding device installs the process point of workpiece and thimble on workpiece plate It does not need that workpiece and thimble is fixed using wax, the wax of heating and melting state is instiled on workpiece plate and wax is carried out cold But it handles, workpiece and thimble is enabled to be solidified the fixed position of wax of state.This process needs to heat and cool down twice, expends Working hour.And thimble and workpiece plate are bonded together by wax, there is the risk to fall off in use, thimble, which falls off, will cause Workpiece plate, which flies out, to be scrapped.Since workpiece plate is usually glass material, and thimble is metal cylinder, the glass of thimble and workpiece plate The contact area in glass face is smaller, and workpiece disk center in existing grinding device use process is caused to be easy to jump because pressure is larger It is broken, cause workpiece plate to scrap.Simultaneously because thimble needs manual center to position during installation, once it position inaccurate or is processing It is deviated in the process, is easy for causing product grinding quality unqualified there are deviation due to centralized positioning.

Utility model content

The purpose of this utility model is to provide a kind of grinding clamp and grinding devices, can be by setting in grinding device Grinding clamp is set, to mitigate the abrasion in the grinding device course of work for workpiece plate, reduces the risk that workpiece plate wrecks, And shorten attrition process working hour.

The embodiments of the present invention are achieved in that

The one side of the utility model embodiment provides a kind of grinding clamp, including fixed part and multiple spacer pins, fixed Portion includes the first surface and second surface being oppositely arranged, and multiple spacer pins are evenly spaced in the periphery of first surface and to remote Direction from first surface extends, and object to be held is placed in the region enclosed by multiple spacer pins on the first surface, and second The geometric center on surface is provided with accommodating hole, for connecting with milling apparatus.

Optionally, grinding clamp further includes lock pin, and lock pin is arranged in accommodating hole, for the power output with milling apparatus End connection.

Optionally, the sunk structure matched with object to be held is provided on first surface.

Optionally, fixed part is cylinder, and first surface and second surface are respectively cylindrical top and bottom.

Optionally, lock pin is detachably connected with accommodating hole.

Optionally, lock pin is column structure, and is provided in plane of the column structure far from accommodating hole along central axis pair The location hole of milling apparatus power output end positioning.

Optionally, it is connected between spacer pin and fixed part for screw threads for fastening.

The another aspect of the utility model embodiment provides a kind of grinding device, including workpiece plate, abrasive disk, contact pin, drive The grinding clamp of dynamic component and above-mentioned any one, workpiece plate are arranged for placing workpiece to be ground, workpiece plate in grinding clamp Object placement location to be held, workpiece plate and abrasive disk frictional connection, one end of contact pin connect with driving assembly, the other end with grind Grinding jig connection.

Optionally, grinding device further includes balancing disk, and balancing disk is arranged on driving assembly, grinds for increasing grinding device Frictional force when mill.

Optionally, balancing disk is arranged on the rod piece that driving assembly is connect with contact pin.

The beneficial effect of the utility model embodiment includes:

A kind of grinding clamp provided by the embodiment of the utility model, including fixed part and multiple spacer pins, fixed part include There are the first surface and second surface being oppositely arranged.By by multiple spacer pins it is evenly arranged be arranged in fixed part first surface Periphery and to far from first surface direction extend, the structure that can place object to be held can be surrounded.When in use, Object to be held is placed in the region that spacer pin surrounds, object to be held can be limited in this area, be made by spacer pin Relative displacement will not occur between fixed part in use for object to be held, and then milling apparatus is enable to pass through the grinding Fixture is effectively by power transmission to object to be held.It is arranged by the geometric center in fixed part second surface for being set with grinding The accommodating hole of standby connection can prevent directly contacting between milling apparatus and object to be held, treat to reduce milling apparatus It is worn caused by clamping object.It is connect again due to milling apparatus with the accommodating hole of the grinding clamp, and object to be held was using Also relative displacement will not occur with the grinding clamp in journey, so can effectively prevent object to be held because de- during the grinding process It falls and flies out and scrap.And the geometric center of second surface is arranged in accommodating hole, does not need to pass through before every use in manually Heart positioning, reduces milling apparatus is caused to drive object to be held to do by the grinding clamp because of position error during the grinding process The case where eccentric motion, occurs, to reduce the underproof situation of grinding quality caused by due to object to be held does eccentric motion Occur.Since object to be held is in contact with fixed part, and contact area is larger so pressure suffered by object to be held is smaller, no It will appear and jump broken situation because pressure is larger.Meanwhile the viscous link of wax can be saved using the grinding clamp, it installs more square Just quick, and then save attrition process working hour.

A kind of grinding device provided by the embodiment of the utility model, including workpiece plate, abrasive disk, contact pin, driving assembly and Above-mentioned grinding clamp.Workpiece plate is placed on the position that above-mentioned grinding clamp places object to be held, and workpiece is placed on workpiece It can be ground on abrasive disk on disk.By using above-mentioned grinding clamp can prevent in process of lapping workpiece plate due to It is not connected firmly and leans on and fly out and scrap, while contact pin and workpiece plate can also be avoided directly to contact, to reduce contact pin to workpiece plate Abrasion and destruction.It can also prevent workpiece plate during the grinding process because contact pin positioning is inaccurate by above-mentioned grinding clamp simultaneously And eccentric motion is done, and then improve the stability of grinding device grinding quality.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is one of the structural schematic diagram of grinding clamp provided by the embodiment of the utility model；

Fig. 2 is the second structural representation of grinding clamp provided by the embodiment of the utility model；

Fig. 3 is the third structural representation of grinding clamp provided by the embodiment of the utility model；

Fig. 4 is the structural schematic diagram of grinding device provided by the embodiment of the utility model.

Icon: 110- fixed part；111- accommodating hole；112- sunk structure；120- spacer pin；130- lock pin；131- positioning Hole；210- workpiece plate；220- abrasive disk；230- contact pin；240- driving assembly；250- balancing disk.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area Divide description, is not understood to indicate or imply relative importance.

In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It is complete horizontal, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

The utility model embodiment provides a kind of grinding clamp, as shown in Figure 1, including fixed part 110 and multiple spacer pins 120, fixed part 110 includes the first surface and second surface being oppositely arranged, and multiple spacer pins 120 are evenly spaced in the first table The periphery in face simultaneously extends to the direction far from first surface, object to be held place on the first surface by multiple spacer pins 120 In the region of enclosing, the geometric center of second surface is provided with accommodating hole 111, for connecting with milling apparatus.

As shown in figure 3, in use, first object to be held is placed in the region surrounded by multiple spacer pins 120, such as Fig. 1 It is shown, then milling apparatus is connect with accommodating hole 111.Also, it in practical applications, is set according to the peripheral shape of object to be held Spacer pin 120 is set, so that 120 area defined of spacer pin and the peripheral shape of object to be held match.Otherwise object to be held It can not be limited in well in 120 area defined of spacer pin.

Preferably, as shown in Figure 1, spacer pin 120 is set as cylindrical, make between spacer pin 120 and object to be held for line Contact reduces the friction between spacer pin 120 and object to be held, and then reduces spacer pin during using the grinding clamp 120 wear caused by object to be held.Certainly, this is a kind of scheme provided by the embodiment of the utility model, in practical application In, spacer pin 120 can also be other shapes, be not specifically limited herein.

It should be noted that first, spacer pin 120 is evenly spaced in the periphery of first surface and to far from first surface Direction extends, and it is more firm to limit for the ease of the pick-and-place of object to be held and spacer pin 120 to object to be held, in practical application In, the usual vertical uniform periphery for being arranged in first surface of spacer pin 120, and stretch out in fixed part 110.Certainly, in this reality With in novel other embodiments, spacer pin 120 can not also be mutually perpendicular to first surface, but there are certain angles to set It sets, herein with no restrictions.

Second, the size of first surface can cover object to be held, i.e. the size of first surface makes to be evenly spaced in its week Spacer pin 120 on edge can just be in contact with object to be held, limit the opposite position between object and fixed part 110 to be held It sets, so that object to be held is not fixed relatively portion 110 and be subjected to displacement.

Third, in use in order to avoid the end of spacer pin 120 collides or rubs with other structures, limit Pin 120 stretches out in the length of 110 first surface of fixed part and the thickness of object to be held matches, and makes the end of spacer pin 120 not One side beyond object to be held far from first surface.

A kind of grinding clamp provided by the embodiment of the utility model, as shown in Figure 1, including fixed part 110 and multiple limits Pin 120, fixed part 110 include the first surface and second surface being oppositely arranged.By the way that multiple spacer pins 120 are uniformly arranged The periphery that 110 first surface of fixed part is set and to far from first surface direction extend, can surround one can put Set the structure of object to be held.When in use, object to be held is placed in the region that spacer pin 120 surrounds, passes through spacer pin 120 Object to be held can be limited in this area, make object to be held that phase will not occur between fixed part 110 in use To displacement, and then enable milling apparatus by the grinding clamp effectively by power transmission to object to be held.By in fixation The accommodating hole 111 for connecting with milling apparatus is arranged in the geometric center of 110 second surface of portion, can prevent milling apparatus with to The direct contact between object is clamped, to reduce milling apparatus abrasion caused by object to be held.And it due to milling apparatus and is somebody's turn to do The accommodating hole 111 of grinding clamp connects, and opposite position will not also occur in use with the grinding clamp for object to be held It moves, so can effectively prevent object to be held from scrapping due to flying out because falling off during the grinding process.And the setting of accommodating hole 111 exists The geometric center of second surface does not need to position by manual center before every use, reduce during the grinding process because fixed Position error and generation the case where cause milling apparatus to do eccentric motion by grinding clamp drive object to be held, to reduce Grinding quality is underproof caused by due to object to be held does eccentric motion happens.Due to object to be held and fixed part 110 Be in contact, and contact area is larger so pressure suffered by object to be held is smaller, be not in because pressure is larger jump it is broken Situation.Meanwhile the viscous link of wax can be saved using the grinding clamp, it is easier for installation quick, and then save grinding and add Work working hour.

Further, as shown in Figure 1, grinding clamp further includes lock pin 130, lock pin 130 is arranged in accommodating hole 111, uses It is connect in the power output end with milling apparatus.

Lock pin 130 is arranged in accommodating hole 111 to be connect with the output end of milling apparatus, can be to avoid the output of milling apparatus End is directly connected to accommodating hole 111, so that the output end of milling apparatus in the long-term use be avoided to cause accommodating hole 111 It destroys and promotes the service life for shortening the grinding clamp.

Further, as shown in Fig. 2, being provided with the sunk structure 112 matched with object to be held on first surface.

By the sunk structure 112 matched with object to be held being arranged on the first surface, object to be held can be made embedding After entering sunk structure 112, preferably keeps its relative position between fixed part 110 and be not easy to be subjected to displacement.

Optionally, as shown in Figure 1, fixed part 110 is cylinder, first surface and second surface are respectively cylindrical top Face and bottom surface.

Setting cylinder for fixed part 110 can make fixed part 110 under certain volume, first surface and object to be held Contact area it is maximum, so that the pressure for receiving object to be held further reduces, and then reduce object to be held because of pressure mistake The broken risk that jumps greatly.

Optionally, as shown in Figure 1, lock pin 130 is detachably connected with accommodating hole 111.

The setting that lock pin 130 is detachably connected is in accommodating hole 111, when lock pin 130 is worn because of long-time service, Or it needs when being matched from the output end of different milling apparatus, replacement lock pin 130 that can be more convenient, and then promote this and grind The service life of grinding jig and applicability to different usage scenarios.

Specifically, as shown in Figure 1, lock pin 130 be column structure, and along central axis in column structure far from accommodating hole 111 Plane on be provided with to milling apparatus power output end positioning location hole 131.

By lock pin 130 be set as column structure can make its setting in accommodating hole 111 between accommodating hole 111 contact surface It is more smooth, reduce the abrasion generated between accommodating hole 111 and lock pin 130 when using.Simultaneously along central axis in column structure Top surface setting location hole 131 can be connect with the output end of milling apparatus.

Optionally, as shown in Figure 1, being connected between spacer pin 120 and fixed part 110 for screw threads for fastening.

Spacer pin 120 can be made when in use by connecting spacer pin 120 and fixed part 110 in such a way that screw threads for fastening connects Fastening is compared in connection while being not easy to fall off from fixed part 110.And convenient for users to being carried out to the spacer pin 120 of abrasion Replacement.

The another aspect of the utility model embodiment provides a kind of grinding device, as shown in figure 4, include workpiece plate 210, Abrasive disk 220, contact pin 230, driving assembly 240 and above-mentioned any one grinding clamp, workpiece plate 210 for place it is to be ground The object placement location to be held of grinding clamp, workpiece plate 210 and 220 frictional connection of abrasive disk is arranged in workpiece, workpiece plate 210, One end of contact pin 230 is connect with driving assembly 240, the other end and grinding clamp connect.

It should be noted that the position for placing the object to be held that workpiece plate 210 is clamped in grinding clamp in practical application, Workpiece is fixed on workpiece plate 210, then one end of contact pin 230 is connected with grinding clamp, the other end and driving assembly 240 connect It connects.Drive contact pin 230 that grinding clamp is driven to move in a circle by driving assembly 240.Workpiece plate 210 is driven by grinding clamp Move workpiece on abrasive disk 220.

A kind of grinding device provided by the embodiment of the utility model, including workpiece plate 210, abrasive disk 220, contact pin 230, drive Dynamic component 240 and above-mentioned grinding clamp.Workpiece plate 210 is placed on the position that above-mentioned grinding clamp places object to be held, will add Workpiece, which is placed on workpiece plate 210, to be ground on abrasive disk 220.It can be prevented by using above-mentioned grinding clamp Workpiece plate 210 leans on due to being not connected firmly and flies out and scrap in process of lapping, while can also avoid contact pin 230 and workpiece plate 210 It directly contacts, to reduce abrasion and destruction of the contact pin 230 to workpiece plate 210.It simultaneously can be with by above-mentioned grinding clamp It prevents workpiece plate 210 from doing eccentric motion because the positioning of contact pin 230 is inaccurate during the grinding process, and then improves grinding device and grind matter The stability of amount.

Further, as shown in figure 4, grinding device further includes balancing disk 250, balancing disk 250 is placed on driving assembly 240 On, for increasing frictional force when grinding device grinding.

The pressure that contact pin 230 applies grinding clamp can be increased by placing balancing disk 250 on driving assembly 240, And then increase frictional force when grinding device grinding.

Specifically, as shown in figure 4, balancing disk 250 is arranged on the rod piece that driving assembly 240 is connect with contact pin 230.

Balancing disk 250 is arranged on the rod piece that driving assembly 240 is connect with contact pin 230, balancing disk 250 can be made to increase The better effect for the pressure that contact pin 230 applies to grinding clamp.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of grinding clamp characterized by comprising fixed part and multiple spacer pins, the fixed part include opposite set The first surface and second surface set, multiple spacer pins are evenly spaced in the periphery of the first surface and to far from described The direction of first surface extends, and object to be held places the region enclosed by multiple spacer pins on the first surface Interior, the geometric center of the second surface is provided with accommodating hole, for connecting with milling apparatus.

2. grinding clamp as described in claim 1, which is characterized in that the grinding clamp further includes lock pin, and the lock pin is set It sets in the accommodating hole, for being connect with the power output end of the milling apparatus.

3. grinding clamp as claimed in claim 1 or 2, which is characterized in that be provided on the first surface with described wait press from both sides Hold the sunk structure that object matches.

4. grinding clamp as claimed in claim 1 or 2, which is characterized in that the fixed part is cylinder, the first surface It is respectively the top and bottom of the cylinder with the second surface.

5. grinding clamp as claimed in claim 2, which is characterized in that the lock pin is detachably connected with the accommodating hole.

6. the grinding clamp as described in claim 2 or 5, which is characterized in that the lock pin is column structure, and is existed along central axis The column structure is provided with the location hole to milling apparatus power output end positioning in the plane far from the accommodating hole.

7. grinding clamp as described in claim 1, which is characterized in that tight for screw thread between the spacer pin and the fixed part It is solidly connected.

8. a kind of grinding device, which is characterized in that including workpiece plate, abrasive disk, contact pin, driving assembly and such as claim 1~7 The grinding clamp of any one, for the workpiece plate for placing workpiece to be ground, the grinding clamp is arranged in the workpiece plate Object placement location to be held, the workpiece plate and the abrasive disk frictional connection, one end of the contact pin and the driving component Connection, the other end are connect with the grinding clamp.

9. grinding device as claimed in claim 8, which is characterized in that the grinding device further includes balancing disk, the counterweight Disk is arranged in the driving component, for increasing frictional force when grinding device grinding.

10. grinding device as claimed in claim 9, which is characterized in that the balancing disk is arranged in the driving component and institute On the rod piece for stating contact pin connection.