CN206689916U

CN206689916U - Ceramic workpiece grinding fixture and its ceramic workpiece

Info

Publication number: CN206689916U
Application number: CN201720313386.0U
Authority: CN
Inventors: 何智安
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2017-03-28
Filing date: 2017-03-28
Publication date: 2017-12-01
Anticipated expiration: 2027-03-28

Abstract

A kind of ceramic workpiece grinding fixture, the ceramic workpiece includes machined surface, the side wall being recessed relative to the opposite side of machined surface formed with inner chamber and positioned at the inner chamber outer rim, the fixture includes bottom plate, some holders being placed on the bottom plate, and the holder is coordinated to fix the locking part of ceramic workpiece, the holder includes main part, from the main part adjacent first, second side upwardly extends the block to be formed, raised up among the main part to coordinate the stage portion of the ceramic workpiece inner chamber, and located at the main part it is adjacent the 3rd, the cutout unit of four side combination edge, the locking part coordinates the block to fix the ceramic workpiece located at the cutout unit side.The utility model fixture holds stabilization to ceramic workpiece, does not damage ceramic workpiece.

Description

Ceramic workpiece grinding fixture and its ceramic workpiece

Technical field

Field of ceramic processing is the utility model is related to, espespecially a kind of ceramic workpiece grinding fixture and its potter Part.

Background technology

In the mobile terminal such as 3C fields, particularly smart mobile phone, wearable device, with the upgrading of network, for terminal The receiving ability of antenna requires more and more higher, and existing smart mobile phone is typically using metal material manufacture shell, and metal material pair There is obvious shielding problem in aerial signal.After network upgrade to 5G, the antenna for mobile phone of metal material shell is unable to reach Performance requirement is, it is necessary to which a kind of new material solves the above problems.

Ceramic material possesses high rigidity, glossiness more more preferable than metal, and aerial signal is not present shielding action, but makes pottery The hardness of ceramic material is very high, and diamond is only second to more than stainless steel.It is unable to reach in the sintering process of ceramic material accurate Flatness, it is necessary to carry out retrofit to ceramic workpiece to obtain final product after sintering, and high rigidity becomes plus The problem of work.

The content of the invention

In consideration of it, it is necessary to provide ceramic workpiece grinding fixture and its ceramic workpiece, for the potter Part carries out being accurately positioned polishing processing.

In order to solve the above technical problems, the utility model provides a kind of ceramic workpiece grinding fixture, the pottery Porcelain workpiece includes machined surface, the side wall being recessed relative to the opposite side of machined surface formed with inner chamber and positioned at the inner chamber outer rim, The fixture includes bottom plate, some holders being placed on the bottom plate and coordinates the holder to fix the locking of ceramic workpiece Part, the holder include main part, first, second side adjacent from the main part upwardly extend to be formed block, Raised up among the main part to coordinate the stage portion of the ceramic workpiece inner chamber and adjacent located at the main part 3rd, the cutout unit of four side combination edge, the locking part coordinate the block to consolidate located at the cutout unit side The fixed ceramic workpiece.

Preferably, the locking part includes body and is opened in the opening portion of described body one end, the opening Portion includes the first locating surface, the second locating surface, and described, the second locating surface compresses two side walls corresponding to the ceramic workpiece, institute State the angle between angle between the first locating surface and second locating surface two side adjacent according to the ceramic workpiece Adjustment.

Preferably, first locating surface is mutually perpendicular to second locating surface.

Preferably, the outward flange of the cutout unit is not more than the ceramic workpiece apart from the vertical range of the stage portion The thickness of side wall, thickness of the vertical range of stage portion described in the inner distance of the block no more than the side wall of the ceramic workpiece Degree.

Preferably, a diagonal of the center line of first, second locating surface of the locking part and the ceramic workpiece Overlap.

Preferably, the bottom plate is located at the cutout unit opening position of the holder and is provided with along the ceramic workpiece diagonal The locating slot of extension, the locating slot is interior to be provided with screw, and the locking part also includes protruding from the body bottom side extending The location division of formation, clamping screw and can be in the locating slot interior edge through the fixing bar hole of the body, the location division The diagonal movement of the ceramic workpiece.

Preferably, length of the locating slot in first locating surface and the center line direction of the second locating surface is more than described The length of location division, width of the locating slot in the vertical center line direction are equal with the width of the location division so that institute State locating slot and pass through institute perpendicular to the position of the center line direction fixation location division, the clamping screw of the locking part State fixing bar hole to hold with the screw on the bottom plate, the fixing bar hole extends in the center line of first, second locating surface Direction is in strip.

Preferably, the holder also includes the adsorption structure in the stage portion, and the adsorption structure includes connection The passage of one valve, located at the stage portion top surface and with some air drains of the passage UNICOM and located at the absorption The O-ring seal of structure periphery, the adsorption structure suck the inner surface of the ceramic workpiece inner chamber after vacuumizing.

Preferably, the holder is made of bakelite.

In order to solve the above technical problems, the utility model additionally provides a kind of ceramic workpiece, ground using the ceramic workpiece Fixture for processing is cut to be process.

The utility model fixture can effectively fix the ceramic workpiece of high-hardness by the cooperation of holder and locking part, Realize the stabilization in ceramic workpiece Grinding Process.

Brief description of the drawings

Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms one of the present utility model Point, schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model Improper restriction.

Fig. 1 is the utility model fixture application in the stereogram of grinding machine；

Fig. 2 is the stereogram that the utility model fixture is provided with ceramic workpiece；

Fig. 3 is the stereogram of the utility model fixture；

Fig. 4 is the stereogram of the positioning element of the utility model fixture；

Fig. 5 is the stereogram of the locking member of the utility model fixture；

Fig. 6 is the structural representation of the utility model ceramic workpiece；

Fig. 7 is the schematic side view of the utility model grinding machine processing；

Fig. 8 is the schematic top plan view of the utility model grinding machine processing.

Embodiment

It is specific below in conjunction with the utility model to make the purpose of this utility model, technical scheme and advantage clearer Technical solutions of the utility model are clearly and completely described for embodiment and corresponding accompanying drawing.Obviously, described embodiment Only it is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, this area The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to the utility model The scope of protection.

Refer to shown in Fig. 2 to Fig. 6, if fixture of the present utility model 50 includes bottom plate 51, is placed on the bottom plate 51 Dry holder 53 and the holder 53 is coordinated to fix the locking part 52 of ceramic workpiece 60.

The 53 generally rectangular shaped structure of holder, including main part 531, from the main part 531 it is adjacent first, second Side upwardly extends the block 532 to be formed, the stage portion 535 to be raised up among the main part 531, located at the step Adsorption structure 533 among portion 535 and located at the main part 531 it is adjacent the 3rd, the excision of four side combination edge Portion 534.The 60 generally rectangular shaped structure of ceramic workpiece, including machined surface 61, the opposite side of relative machined surface 61 are recessed to be formed Some inner chambers 63 and the side wall 62 positioned at the periphery of inner chamber 63, the stage portion 535 are the interior of the imitation ceramic workpiece 60 The structure setting of chamber 63, i.e., the inner chamber 63 of described ceramic workpiece 60 is fastened in the stage portion 535.The adsorption structure 533 Including connect valve (not shown) passage 5331, located at the top surface of stage portion 535 and with the UNICOM of passage 5331 Some air drains 5332 and the O-ring seal 5333 located at the periphery of adsorption structure 533.The outward flange of the cutout unit 534 It is less than or equal to the thickness of the side wall 62 of the periphery of 60 inner chamber of ceramic workpiece 63 apart from the vertical range of the stage portion 535. The vertical range of stage portion 535 described in the inner distance of the block 532 is no more than the periphery of 60 inner chamber of ceramic workpiece 63 The thickness of side wall 62.

The locking part 52 includes body 521, the opening portion 524 for being opened in described one end of body 521, described in The bottom side of body 521 protrudes location division 523, clamping screw 528 and the fixing bar through the body 521 that extension is formed Hole 522.The cutout unit 534 of the corresponding holder 53 in the opening portion 524, the opening portion 524 include the first locating surface 525, Second locating surface 526 and the curved portions 527 between the locating surface 526 of the first locating surface 525 and second, described first Angle between locating surface 525 and second locating surface 526 is according to the knot between the adjacent two side 62 of the ceramic workpiece 60 Structure is adjusted, it is generally the case that first locating surface 525 is mutually perpendicular to second locating surface 526.The curved portions 527 Radian adjustment according to the edge of the ceramic workpiece 60.The bar hole 522 that holds is along first locating surface 525 and second The center line extension of locating surface 526.The center line of the locating surface 526 of first locating surface 525 and second and the ceramic workpiece 60 Diagonal overlaps.

The opening position of cutout unit 534 of the corresponding holder 53 of the bottom plate 51 is provided with locating slot 511, the locating slot 511 The interior screw 512 being provided with for the clamping screw 528 lock.The location division 523 of the locking part 52 is contained in the positioning In groove 511, length of the locating slot 511 in the center line direction of the locating surface 526 of the first locating surface 525 and second is more than institute The length of location division 523 is stated so that the location division 523 can be in center line direction adjusting position.The locating slot 511 is hanging down The width in the straight center line direction is equal with the width of the location division 523 so that the locating slot 511 is perpendicular to described The position of the location division 523 is fixed in center line direction.The clamping screw 528 by the fixing bar hole 522 adjust with it is described The relative position of locking part 52.

In process, the inner chamber 63 of the ceramic workpiece 60 is first fastened in the stage portion 535 of the holder 53, is started External air exhauster vacuumizes the air drain 5332 by the passage 5331, make the ceramic workpiece 60 inner chamber 63 it is interior Side is adsorbed in the fixation that above-below direction is realized on the adsorption structure 533, and the O-ring seal 5333 ensures the air drain It is air tight in the range of 5332.Two side walls 62 of the ceramic workpiece 60 are held on the first side of the holder 53, the second side Between the block 532 and the stage portion 535 on side；Two other junction of side wall 62 of the ceramic workpiece 60 is exposed to described The position of cutout unit 534 of holder 53, and the pottery is bonded by first, second locating surface 525,526 of the locking part 52 Positioning is realized in two outer surfaces of side wall 62 corresponding to porcelain workpiece 60.The locking part 52 passes through pair in the ceramic workpiece 60 Linea angulata direction is adjusted with being fixed after the relative position of the ceramic workpiece 60 by the clamping screw 528.

To ensure that the holder 53 does not damage to ceramic workpiece, the holder 53 uses bakelite material.

Emphasis is refering to shown in Fig. 1, Fig. 7, Fig. 8, and fixture application of the present utility model is in the grinding of grinding machine, the grinding machine Including base 10, from the vertical portion 20 that the base 10 projects upwards, the mobile work platform 40 on the base 10, installation In the grinding wheel component 30 on the vertical portion 20 and above the mobile work platform 40, it is placed in the mobile work platform 40 Fixture 50 and control system (not shown).

The grinding wheel component 30 can realize the shifting of Z-direction on the vertical portion 20 under the control of the control system It is dynamic, it is coated with diamond dust on the emery wheel of the grinding wheel component 30.40 structure in the form of slot of mobile work platform, including inside groove 41 and pore structure is provided with to prevent coolant from spilling, in the inside groove 41 positioned at the enclosing portion 42 of the periphery of the inside groove 41 can will Liquid drain enters in other containers.The mobile work platform 40 can realize movement in X, Y plane.The sand of the grinding wheel component 30 The width of wheel is less than the length of the ceramic workpiece 60.

After the ceramic workpiece 60 is fixed on the fixture 50, the lower section of the grinding wheel component 30 is placed in；This practicality is new The grinding machine processing technology of type is as follows：

S1, initial networked control systems；

This step includes adjusting position in X/Y plane of the mobile work platform 40, the grinding wheel component 30 in Z axis side To position, make the emery wheel of the grinding wheel component 30 and the machined surface 61 in the outermost ceramic workpiece 60 of X-direction mutual Contact, the initialization also include setting various machined parameters；The grinding wheel component 30 is determined to institute in the position of Z-direction State the cutting output of machined surface 61, the mobile work platform 40 is grinding wheel component 30 to the processing in the change in location of Y direction The processing amount of feeding in face 61, the rotating speed of grinding wheel component 30 represent the rotating speed of board, and the X-direction is that the grinding wheel component 30 is right The machining path of the machined surface 61.The board rotating speed is initialized as 1500-3000rad/min, and optimal is 2400rad/ min；Cutting at one time amount is 0.005-0.05mm, and optimal is 0.01mm；The amount of feeding is 5-30mm, and optimal is 10mm.

S2, activation system, the emery wheel are carried out from initial position along X-direction to the machined surface of several ceramic workpieces 60 First time grinding；

After S201, initialization, the grinding wheel component 30 has been set in the initialized location of Z axis according to cutting output, described The relative position of grinding wheel component 30 and the ceramic workpiece 60 similarly determines, i.e., location A as shown in Figure 8, the mobile working Platform 40 moves in the X-axis direction from the location A, make the emery wheel of the grinding wheel component 30 in X-direction to the machined surface 61 in Y The subregion of direction of principal axis carries out straight line grinding until the wheel grinding completes last ceramic workpiece 60；Now, The emery wheel is located relative to the second place of the initialized location；

S202, then, the control system adjusts the mobile work platform 40 by the amount of feeding of setting in Y direction Position, change the emery wheel with the ceramic workpiece 60 in the machining area of Y direction, i.e., B location shown in Fig. 8；Complete feeding Afterwards, the mobile work platform 40 is straight to some progress of ceramic workpieces 60 grindings in X direction from the second place To initial position.

S203, repeat step S202 are until complete the region-wide grinding to the machined surface of the ceramic workpiece 60.

S3, change the grinding wheel component 30 in the cutting output of Z-direction, repeat step S2 is again to the ceramic workpiece 60 Machined surface be ground again, until the cutting output sum is equal to predetermined grinding thichness.

It should be noted that the control system is by controlling the mobile work platform 40 to realize X/Y plane internal coordinate Change, by controlling the grinding wheel component 30 to realize the change of Z axis coordinate, in specific implementation process, the change of the coordinate Change, can individually be completed by grinding wheel component 30, can also individually be completed by the mobile work platform 40, equally can be two Person is combined to complete.

The utility model fixture 50 can effectively fix the pottery of high-hardness by the cooperation of holder 53 and locking part 52 Porcelain workpiece 60, realize the stabilization in the Grinding Process of ceramic workpiece 60.

It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability Comprising so that process, method, commodity or equipment including a series of elements not only include those key elements, but also wrapping Include the other element being not expressly set out, or also include for this process, method, commodity or equipment intrinsic want Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that wanted including described Other identical element also be present in the process of element, method, commodity or equipment.

Embodiment of the present utility model is the foregoing is only, is not limited to the utility model.For this area For technical staff, the utility model can have various modifications and variations.All institutes within spirit of the present utility model and principle Any modification, equivalent substitution and improvements of work etc., it should be included within right of the present utility model.

Claims

1. a kind of ceramic workpiece grinding fixture, the ceramic workpiece includes machined surface, relative to the opposite side of machined surface The side wall being recessed formed with inner chamber and positioned at the inner chamber outer rim, it is characterised in that the fixture includes bottom plate, is placed in the bottom Some holders on plate and coordinate the holder to fix the locking part of ceramic workpiece, the holder includes main part, from institute State first, second side adjacent on main part upwardly extend the block to be formed, raise up among the main part with Close the ceramic workpiece inner chamber stage portion and located at the main part it is adjacent the 3rd, four side combination edge cuts Except portion, the locking part coordinates the block to fix the ceramic workpiece located at the cutout unit side.

2. ceramic workpiece grinding fixture as claimed in claim 1, it is characterised in that the locking part includes body Portion and the opening portion for being opened in described body one end, the opening portion include the first locating surface, the second locating surface, described, the Two locating surfaces compress two side walls corresponding to the ceramic workpiece, the folder between first locating surface and second locating surface Angle adjustment between the two side adjacent according to the ceramic workpiece of angle.

3. ceramic workpiece grinding fixture as claimed in claim 2, it is characterised in that first locating surface with it is described Second locating surface is mutually perpendicular to.

4. ceramic workpiece grinding fixture as claimed in claim 2, it is characterised in that the outward flange of the cutout unit away from From the stage portion vertical range no more than the ceramic workpiece side wall thickness, platform described in the inner distance of the block Thickness of the vertical range in rank portion no more than the side wall of the ceramic workpiece.

5. ceramic workpiece grinding fixture as claimed in claim 2, it is characterised in that the locking part first, The center line of second locating surface overlaps with a diagonal of the ceramic workpiece.

6. ceramic workpiece grinding fixture as claimed in claim 2, it is characterised in that the bottom plate is located at the holder Cutout unit opening position be provided with the locating slot extended along the ceramic workpiece diagonal, is provided with screw in the locating slot, The locking part, which also includes protruding from the body bottom side, extends the location division formed, clamping screw and through described The fixing bar hole in body portion, the location division can move in the diagonal of ceramic workpiece described in the locating slot interior edge.

7. ceramic workpiece grinding fixture as claimed in claim 6, it is characterised in that the locating slot is described first The length in the center line direction of locating surface and the second locating surface is more than the length of the location division, the locating slot it is vertical it is described in The width in line direction is equal with the width of the location division so that the locating slot is fixing institute perpendicular to the center line direction The position of location division is stated, the clamping screw of the locking part passes through the fixing bar hole and held with the screw on the bottom plate, The fixing bar hole is in strip in the center line bearing of trend of first, second locating surface.

8. ceramic workpiece grinding fixture as claimed in claim 1, it is characterised in that the holder also includes being located at institute State the adsorption structure in stage portion, the adsorption structure includes the passage of one valve of connection, located at the stage portion top surface and Some air drains with the passage UNICOM and the O-ring seal located at the adsorption structure periphery, the adsorption structure are taken out very The inner surface of the ceramic workpiece inner chamber is sucked after sky.

9. ceramic workpiece grinding fixture as claimed in claim 1, it is characterised in that the holder uses bakelite system Into.

10. a kind of ceramic workpiece, it is characterised in that using the ceramic workpiece grinding as described in claim any one of 1-9 It is process with fixture.