CN216328156U

CN216328156U - Drill bit inspection clamp

Info

Publication number: CN216328156U
Application number: CN202122485093.XU
Authority: CN
Inventors: 廖杰培; 陈志祺; 付连宇
Original assignee: Shenzhen Jinzhou Precision Technology Corp
Current assignee: Shenzhen Jinzhou Precision Technology Corp
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-19
Anticipated expiration: 2031-10-15

Abstract

The utility model belongs to the technical field of micro drill bit inspection, and discloses a drill bit inspection clamp which is used for inspecting a micro drill bit product and comprises a supporting piece, a rotating piece and a sleeve, wherein the rotating piece is connected to the supporting piece, the rotating piece can rotate relative to the supporting piece, and the axis of the rotating piece is parallel to the horizontal plane; the sleeve pipe can be dismantled with the rotating member and be connected, is convenient for change the sleeve pipe, and the sleeve pipe is used for centre gripping micro drill bit product, makes the rigidity of micro drill bit product, is convenient for observe the inspection, and the sleeve pipe can rotate along with the rotating member is synchronous, through the rotation of adjusting the rotating member, can drive sleeve pipe and micro drill bit product and rotate to the angle that is suitable for the inspection observation, conveniently observe the removal of avoiding skidding and waiting to observe the position simultaneously.

Description

Drill bit inspection clamp

Technical Field

The utility model relates to the technical field of micro drill bit inspection, in particular to a drill bit inspection clamp.

Background

Printed Circuit Boards (PCBs) are important electronic components in the electronic field, and with the rapid development of the PCB industry, the diameter of the micro-holes of the PCB becomes smaller and smaller, and more fine PCB micro-drill products 100 are also continuously developed. Referring to fig. 1, a schematic diagram of a typical micro drill product 100 is shown, wherein the micro drill product 100 includes a mounting rod 101 and a micro drill 102 fixed to one end of the mounting rod 101, and the micro drill product 100 is also applicable to the solution of the present invention. As the diameter of the micro-holes of the circuit board is smaller and smaller, the micro-drill 102 is designed to have smaller size, and meanwhile, the detection and analysis of the product needs to be deeper, such as the surface finish of the micro-drill 102, the vibration pattern in the groove, the machining size measurement and the like. The current means for analyzing the above information is to use an optical microscope and to magnify the microscopic structure to a higher magnification for observation and analysis.

Most of the existing clamps are iron blocks with V-shaped grooves and have no fixing function. With continued reference to fig. 1, during the observation, the microbit product 100 is placed in the groove, and the microscope lens is moved to above the microbit 102 for observation. However, it is obvious that when the fixture needs to observe different positions, the micro-drill 102 has difficulty in adjusting the circumferential rotation due to the small size of the micro-drill product 100; meanwhile, the surface of the micro-drill product 100 is smooth, so that slipping is easily caused during position adjustment, the position to be observed is moved, and the clamp needs to be integrally moved to search the position to be observed again, so that the whole observation process is very complicated.

Therefore, a drill inspection fixture is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drill bit inspection fixture which can fix a micro drill bit product and can freely rotate the micro drill bit product when observing the micro drill bit product.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a drill bit inspection fixture for inspecting a microbit product, comprising:

a support member;

a rotating member connected to the support member, the rotating member being rotatable with respect to the support member and having an axis parallel to a horizontal plane;

the sleeve pipe is detachably connected with the rotating piece and used for clamping the micro drill bit product, and the sleeve pipe can synchronously rotate along with the rotating piece.

As a preferable mode of the drill checking jig, the rotary member includes a rotary shaft which is provided to the support member and is rotatable with respect to the support member, and an axis of the rotary shaft is parallel to a horizontal plane, and a connecting member which is detachably connected to the rotary shaft and is detachably connected to the sleeve.

As a preferable mode of the drill checking jig, the rotary member further includes a handle, and the handle is fixedly connected to the rotary shaft.

In a preferred embodiment of the drill inspection jig, the rotation shaft is rotatably inserted into the support member, and the handle and the connecting member are connected to both ends of the rotation shaft, respectively.

Preferably, the drill inspection jig further includes a bearing, an outer ring of the bearing is fixed to the support, and an inner ring of the bearing is fixedly connected to the rotary shaft.

As a preferred scheme of the drill bit inspection clamp, the sleeve comprises a base body and a plurality of elastic clamping pieces, the elastic clamping pieces are fixedly connected to one end of the base body and are arranged at intervals along the circumferential direction of the base body, an adjusting groove is formed between every two adjacent elastic clamping pieces, the base body is provided with an external thread, and the base body is in threaded connection with the connecting piece.

Preferably, the external thread extends to the elastic clip.

Preferably, the connecting member includes a first connecting sleeve and a second connecting sleeve, the first connecting sleeve is detachably connected to the rotary shaft, and the second connecting sleeve is screwed to the base.

Preferably, the support member includes a base and a support base, the support base is fixedly connected to the base, a lower surface of the base is flush, and the rotation shaft is rotatably disposed on the support base.

As a preferable scheme of the drill bit inspection jig, the support base is convexly provided with a protruding portion, and the rotating shaft is rotatably inserted into the protruding portion.

The utility model has the beneficial effects that:

the casing pipe is arranged to clamp the micro drill product, so that the position of the micro drill product can be fixed, and microscopic observation is facilitated; in addition, the axis through setting up the rotating member and keeping the rotating member is on a parallel with the horizontal plane to the setting can be along with the synchronous pivoted sleeve pipe of rotating member, and then makes the microbit product can rotate along with the rotating member is synchronous, can the free rotation rotating member and then drive the microbit product and rotate when observing the microbit product, can stop the relative support piece of microbit in optional position, with the different positions of observing the microbit product, avoid the microbit product to skid or wait to observe the condition emergence of position displacement.

Drawings

FIG. 1 is a schematic diagram of a prior art micro-drill product;

FIG. 2 is a schematic diagram of the construction of a drill bit inspection fixture in an embodiment of the present invention;

FIG. 3 is a schematic front view of a drill bit inspection fixture in an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a sleeve and a connector according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a cannula in an embodiment of the utility model.

In the figure:

100. a micro-drill product; 101. mounting a rod; 102. a micro-drill;

1. a support member; 11. a base; 12. a support base; 121. a projection;

2. a rotating member; 21. a rotating shaft; 22. a connecting member; 221. a first connecting sleeve; 222. a second connecting sleeve; 23. a handle;

3. a sleeve; 31. a substrate; 32. an elastic clip; 33. an adjustment groove;

4. and a bearing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Fig. 1 shows a schematic view of a structure of a micro drill product 100 in the prior art, and the structure of the micro drill product 100 has been described in detail in the background art. Fig. 2 is a schematic structural view of a drill inspection jig according to an embodiment of the present invention, and fig. 3 is a schematic front view of the drill inspection jig according to the embodiment of the present invention. Referring to fig. 1 to 3, the present embodiment provides a drill inspection jig for inspecting a micro drill product 100, which may be used in the field of micro drill inspection technology, and is capable of fixing the micro drill product 100 and freely rotating the micro drill product 100 while observing the micro drill product 100.

With continued reference to fig. 1-3, the drill bit inspection jig includes a support member 1, a rotary member 2, and a sleeve 3. The rotating member 2 is connected to the support member 1, the rotating member 2 being rotatable with respect to the support member 1 and the axis of the rotating member 2 being parallel to the horizontal plane. The sleeve 3 is detachably connected with the rotating member 2, the sleeve 3 is used for clamping the micro-drill product 100, and the sleeve 3 can synchronously rotate along with the rotating member 2. The casing 3 is arranged to clamp the micro drill product 100, specifically the mounting rod 101 for clamping the micro drill product 100, so that the position of the micro drill product 100 can be fixed, and the micro drill 102 can be conveniently observed in a microscopic manner; in addition, the rotating part 2 can rotate relative to the supporting part 1 and drive the sleeve 3 to synchronously rotate along with the rotating part 2, so that the micro-drill product 100 is driven to synchronously rotate with the rotating part 2, the micro-drill 102 can be stopped at any position relative to the supporting part 1 to observe different positions of the micro-drill product 100, and the micro-drill product 100 is prevented from slipping or displacing at the position to be observed; meanwhile, as the axis of the rotating part 2 is parallel to the horizontal plane, the sleeve 3 can synchronously rotate along with the rotating part 2, so that the micro-drill product 100 can synchronously rotate along with the rotating part 2, when the micro-drill 102 is observed by using an optical microscope, the sight of an observer is perpendicular to the micro-drill 102, and parameters such as surface finish, in-groove vibration lines, machining size and the like of the micro-drill 102 can be conveniently observed and examined.

Specifically, the rotary member 2 includes a rotary shaft 21 and a connecting member 22, the rotary shaft 21 is provided to the support member 1 and is rotatable with respect to the support member 1 with an axis of the rotary shaft 21 parallel to a horizontal plane. The connecting member 22 is detachably connected to the rotary shaft 21, and the connecting member 22 is detachably connected to the casing 3. The diameter of the sleeve 3 is usually smaller due to the limitation of the diameter of the micro drill product 100, the diameter of the rotating shaft 21 is larger than that of the sleeve 3, and the connecting piece 22 is arranged, so that the rotating shaft 21 and the sleeve 3 are detachably connected with the connecting piece 22, direct hole opening on the rotating shaft 21 is avoided, the sleeve 3 is connected, and assembly and connection are facilitated. Meanwhile, the connecting member 22 may be adapted to the casings 3 of different sizes, so that when the observer needs to observe the micro-drill products 100 having the installation rods 101 of different diameters, only the casings 3 of different sizes and the connecting member 22 adapted thereto need to be replaced, and the rotating shaft 21 and the supporting member 1 adapted thereto do not need to be replaced. Alternatively, the rotation shaft 21 is screw-coupled to the coupling member 22, so that the coupling member 22 can be smoothly rotated with respect to the rotation shaft 21 while being easily disassembled.

Referring to fig. 2 to 3, the rotary member 2 further includes a handle 23, and the handle 23 is fixedly connected to the rotary shaft 21 to facilitate manual adjustment of the rotation of the rotary shaft 21. Specifically, the rotating shaft 21 is rotatably disposed through the supporting member 1, and the handle 23 and the connecting member 22 are respectively connected to two ends of the rotating shaft 21. The rotating shaft 21 is arranged to rotate to penetrate through the supporting member 1, and the handle 23 and the connecting member 22 are respectively arranged at two ends of the rotating shaft 21, so that a user can conveniently adjust the rotation of the rotating shaft 21 by using the handle 23. Alternatively, the handle 23 may be disk-shaped and coaxial with the rotation shaft 21, and the diameter of the handle 23 is larger than that of the rotation shaft, and in addition, the handle 23 may be designed to be block-shaped or rod-shaped for the convenience of the user.

With continued reference to fig. 2-3, the drill bit inspection jig further includes a bearing 4, an outer race of the bearing 4 being fixed to the support 1, and an inner race of the bearing 4 being fixedly connected to the rotary shaft 21. Alternatively, the inner race of the bearing 4 is interference fitted with the rotary shaft 21 to form a fixed connection. The position and positioning accuracy between the rotating shaft 21 and the support 1 are maintained by providing the bearing 4 to support the rotating shaft 21, and the bearing 4 is preferably a rolling bearing to reduce the friction between the bearing 4 and the rotating shaft 21 and facilitate rotational adjustment.

With continued reference to fig. 2-3, the casing 3 includes a base body 31, the connecting member 22 includes a first connecting sleeve 221 and a second connecting sleeve 222, the first connecting sleeve 221 is detachably connected to the rotary shaft 21, and the second connecting sleeve 222 is threadedly connected to the base body 31. Optionally, the first connection sleeve 221 and the second connection sleeve 222 are coaxial to ensure that the sleeve 3 and the rotation shaft 21 are coaxial. Alternatively, for convenience of manufacture and assembly, the first coupling sleeve 221 has a diameter slightly larger than the rotary shaft 21 and is screw-coupled with the rotary shaft 21, and the second coupling sleeve 222 has a diameter slightly larger than the base body 31.

With continued reference to fig. 2-3, the supporting member 1 includes a base 11 and a supporting base 12, the supporting base 12 is fixedly connected to the base 11, the lower surface of the base 11 is flush, so that the base 11 is stably placed on a horizontal table or an observation desk, and the rotating shaft 21 is rotatably disposed on the supporting base 12. The axis of the rotary shaft 21 is parallel to the lower surface of the base 11 while the base 11 is placed on a horizontal table or a viewing table such that the axis of the rotary shaft 21 is parallel to a horizontal plane. Optionally, the lower surface of the base 11 is provided with a non-slip mat.

With continued reference to fig. 2-3, the supporting base 12 is convexly provided with a protrusion 121, and the rotating shaft 21 is rotatably disposed through the protrusion 121. By providing the projection 121, a larger contact area is provided between the support base 12 and the rotation shaft 21 or the bearing 4, and the rotation of the rotation shaft 21 relative to the support base 12 is made more smooth.

Fig. 4 shows a schematic structural view of the sleeve 3 and the connecting member 22 in the embodiment of the present invention, and fig. 5 shows a schematic sectional view of the sleeve 3 in the embodiment of the present invention. Referring to fig. 1, 4-5, the sleeve 3 further includes a plurality of elastic clips 32, the elastic clips 32 are fixedly connected to one end of the base 31 and are arranged at intervals along the circumferential direction of the base 31, an adjusting groove 33 is formed between two adjacent elastic clips 32, the base 31 is provided with an external thread, and the base 31 is in threaded connection with the connecting member 22. The distance between two adjacent elastic clamping pieces 32 can be adjusted, that is, the width of the adjusting groove 33 can be changed, so that the elastic clamping pieces 32 can loosen or clamp the mounting rod 101, the mounting rod 101 can be conveniently assembled and disassembled, and meanwhile, the mounting rod 101 can be adjusted to a position and an angle suitable for inspection and observation.

With continued reference to fig. 1, 4-5, the external threads optionally extend to resilient clip 32. The width of the adjusting groove 33 can be adjusted along with the threaded connection, when the external thread of the base body 31 is screwed towards the connecting piece 22, the width of the adjusting groove 33 becomes smaller, the elastic clamping piece 32 clamps the mounting rod 101, when the external thread of the base body 31 is screwed to be loose against the connecting piece 22, the width of the adjusting groove 33 becomes larger, and the elastic clamping piece 32 loosens the mounting rod 101.

The operation and use method of the present embodiment is described in detail below with reference to fig. 1 to 5:

firstly, selecting a sleeve 3 matched with the micro-drill product 100, installing an installation rod 101 of the micro-drill product 100 between elastic clamping pieces 32, pre-clamping the installation rod 101 through the elastic force of the elastic clamping pieces 32, and adjusting the position and the angle of the installation rod 101 to enable the sleeve 3 and the micro-drill product 100 to be coaxial. Then, the base 31 is connected to the corresponding connecting member 22 through the external thread, the base 31 is slowly rotated to screw-connect the base 31 to the connecting member 22, the base 31 is mounted to the connecting member 22, and the width of the adjusting groove 33 is adjusted through the screw-connection to indirectly change the elastic force between the elastic jaws 32, so that the elastic jaws 32 further clamp or loosen the mounting rod 101. After the adjustment is completed, the sleeve 3 should be maintained coaxial with the microbit product 100. Finally, the connector 22 and the sleeve 3 are connected to the rotating shaft 21, the installation is completed, and whether the rotating shaft 21 and the micro drill product 100 are located coaxially or not is checked.

After installation, the drill inspection fixture is placed in a suitable position on a horizontal table or viewing surface, and the objective lens of the optical microscope is moved to a position close to the micro-drill 102, generally above the micro-drill 102, so that the surface of the micro-drill 102 can be viewed by an observer. The handle 23 is manually adjusted to rotate the rotary shaft 21 relative to the support base 12 and to rotate the rotary shaft 21 to a proper position for viewing the surface of the micro drill 102. When the observation angle needs to be changed, the handle 23 is continuously rotated to drive the micro drill 102 to rotate, and the observation position of the micro drill 102 is finely adjusted.

If the micro drill product 100 to be observed needs to be replaced, the sleeve 3 is rotated relative to the connecting piece 22, the sleeve 3 is detached, the next micro drill product 100 is installed according to the above steps, the sleeve 3 and the micro drill product 100 are reinstalled into the connecting piece 22, and whether the micro drill product 100 and the rotating shaft 21 are coaxial or not is checked. If the diameter of the installation rod 101 of the micro drill product 100 changes and the casing pipes 3 with different sizes need to be replaced, the connecting piece 22 needs to be detached, the micro drill product 100 to be observed is connected with the replaced casing pipe 3 according to the steps, meanwhile, the connecting piece 22 matched with the replaced casing pipe 3 is selected, and the casing pipe 3 is connected with the connecting piece 22, the connecting piece 22 and the rotating shaft 21 respectively to complete installation.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A drill inspection fixture for inspecting a microbit product (100), comprising:

a support (1);

a rotating member (2) connected to the support member (1), the rotating member (2) being rotatable relative to the support member (1) and the axis of the rotating member (2) being parallel to a horizontal plane;

the sleeve (3) is detachably connected with the rotating piece (2), the sleeve (3) is used for clamping the micro drill bit product (100), and the sleeve (3) can rotate synchronously with the rotating piece (2).

2. Drill bit inspection jig according to claim 1, characterized in that the rotary member (2) comprises a rotary shaft (21) and a connecting member (22), the rotary shaft (21) being provided to the support member (1) and being rotatable with respect to the support member (1) with the axis of the rotary shaft (21) being parallel to a horizontal plane, the connecting member (22) being detachably connected to the rotary shaft (21), the connecting member (22) being detachably connected to the sleeve (3).

3. Drill bit checking fixture according to claim 2, characterized in that the rotating member (2) further comprises a handle (23), the handle (23) being fixedly connected to the rotating shaft (21).

4. Drill bit inspection jig according to claim 3, characterized in that the rotation shaft (21) is rotatably disposed through the support member (1), and the handle (23) and the connecting member (22) are connected to both ends of the rotation shaft (21), respectively.

5. Drill bit inspection jig according to claim 2, characterized by further comprising a bearing (4), the outer ring of the bearing (4) being fixed to the support (1), the inner ring of the bearing (4) being fixedly connected to the rotary shaft (21).

6. The drill bit inspection jig as claimed in claim 2, wherein the sleeve (3) comprises a base (31) and a plurality of elastic clips (32), the plurality of elastic clips (32) are fixedly connected to one end of the base (31) and are arranged at intervals along the circumferential direction of the base (31), an adjusting groove (33) is formed between two adjacent elastic clips (32), the base (31) is provided with an external thread, and the base (31) is in threaded connection with the connecting piece (22).

7. The drill bit inspection jig of claim 6, wherein the external threads extend to the resilient clip (32).

8. Drill bit inspection jig according to claim 6, characterized in that the connection member (22) comprises a first connection sleeve (221) and a second connection sleeve (222), the first connection sleeve (221) being detachably connected with the rotation shaft (21), the second connection sleeve (222) being screw-connected with the base body (31).

9. Drill bit inspection jig according to claim 2, characterized in that the support (1) comprises a base (11) and a support base (12), the support base (12) is fixedly connected with the base (11), the lower surface of the base (11) is flush, and the rotation shaft (21) is rotatably arranged on the support base (12).

10. The drill bit inspection jig according to claim 9, characterized in that the support base (12) is convexly provided with a protrusion (121), and the rotating shaft (21) is rotatably disposed through the protrusion (121).