CN210649578U - Micro-drill processing collet chuck - Google Patents
Micro-drill processing collet chuck Download PDFInfo
- Publication number
- CN210649578U CN210649578U CN201921413661.1U CN201921413661U CN210649578U CN 210649578 U CN210649578 U CN 210649578U CN 201921413661 U CN201921413661 U CN 201921413661U CN 210649578 U CN210649578 U CN 210649578U
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- hole
- clamping block
- collet chuck
- upper clamping
- drill bit
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Abstract
The utility model provides a bore processing collet chuck a little belongs to and bores processing fixture technical field a little for solve the drill bit and add the unable fast loading and unloading drill bit of collet chuck, and the poor scheduling problem of stability in man-hour. The utility model discloses a chuck, chuck by the chuck seat, lower clamp splice and last clamp splice are constituteed, lower clamp splice is located chuck seat top with last clamp splice, the tip of going up the clamp splice is equipped with presss from both sides the conical head, the tip of lower clamp splice is equipped with down presss from both sides the conical head, go up the conical head and press from both sides the inside tungsten steel barrel casing that is provided with of conical head down, the inside drill bit that is provided with of tungsten steel barrel casing, go up the clamp splice and be close to the tip of chuck seat and seted up rigid deformation groove one, go up and still seted up rigid deformation groove two on the clamp splice, rigid deformation groove two is located rigid deformation groove below. The upper clamping block of the utility model adopts the matching of the rigid deformation groove I and the rigid deformation groove II for fast assembling and disassembling the drill bit; positioning the drill bit through a limiting pin to ensure consistent processing length; the stop column is adopted to stop the upper clamping block, so that the upper clamping block is prevented from being expanded too much to cause permanent deformation.
Description
Technical Field
The utility model belongs to the technical field of bore a little and process anchor clamps, specifically a bore a little and process collet chuck.
Background
The PCB is named as a Printed Circuit Board (PCB), a micro drill bit is needed to complete drilling in the manufacturing process of the PCB, at present, in the process of machining the micro precision drill bit, in order to ensure that a round bar rod piece material can meet the requirement of required machining precision in machining, the round bar rod piece material needs to be fixed, so that the drill bit can be stably machined, whether clamping action is stable or not can influence the quality of the machined material, a common open-close type collet chuck fixes the required machined material by opening and closing two side clamping parts, the clamping mode of the open-close type collet chuck can possibly control the stability of clamping for machining the micro precision drill bit, the clamping length of the drill bit has errors, the length is inconsistent, the assembly and disassembly are complex during clamping, the operation is inconvenient, and improvement is urgently needed aiming at the defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, having proposed a little brill processing collet chuck, the technical problem that the device will solve is: the collet chuck is simple in structure, convenient to operate, quick in clamping and stable in clamping.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a little drill processing collet chuck, includes the chuck, the chuck comprises chuck seat, lower clamp splice and last clamp splice are located chuck seat top, the tip of going up the clamp splice is equipped with the press from both sides conical head, the tip of lower clamp splice is equipped with down press from both sides conical head, go up press from both sides conical head and press from both sides the conical head inside and be provided with tungsten steel cylinder cover, the inside drill bit that is provided with of tungsten steel cylinder cover, the tip that goes up the clamp splice is close to chuck seat has seted up rigidity deformation groove one, still seted up rigidity deformation groove two on the upper clamp splice, rigidity deformation groove two is located rigidity deformation groove one below.
The utility model discloses a theory of operation: the first rigid deformation groove and the second rigid deformation groove enable the upper clamping block to have one end elasticity, force is applied to the upper clamping block downwards, the first rigid deformation groove and the second rigid deformation groove are both deformed, the upper clamping cone head elastically stretches upwards, and the tungsten steel cylinder sleeve is loosened, namely used for installing or loosening a drill bit.
A limiting hole is formed between the lower clamping block and the upper clamping block, a stop column hole is formed in the clamping head seat, and a stop column is arranged inside the stop column hole.
By adopting the structure, the upper clamping block is prevented from being excessively expanded to cause damage and cannot be elastically restored to the original shape.
The tungsten steel cylinder sleeve is composed of an upper cylinder sleeve and a lower cylinder sleeve, the upper cylinder sleeve is located inside the upper clamping conical head, the lower cylinder sleeve is located inside the lower clamping conical head, a drill bit is arranged between the upper cylinder sleeve and the lower cylinder sleeve, and the inner diameter of the tungsten steel cylinder sleeve is smaller than the diameter of the drill bit.
By adopting the structure, the upper cylinder sleeve and the lower cylinder sleeve of the tungsten steel cylinder sleeve are matched for clamping the drill bit.
The lower clamping block is provided with a limiting pin hole, the limiting pin hole is located below the limiting hole and communicated with the limiting hole, a limiting pin is arranged inside the limiting pin hole, the end portion of the limiting pin is arranged inside the limiting hole, the end portion of the lower clamping conical head is provided with a locking hole, the locking hole is communicated with the limiting pin hole, the locking hole is perpendicular to the axis of the limiting pin hole, and a fastening screw is installed in the locking hole in a threaded mode.
By adopting the structure, the limiting pin can slide in the limiting pin hole, the limiting pin hole is communicated with the limiting hole, the limiting pin can extend into the limiting hole, and the positioning drill bit is in threaded fit with the locking hole after extending into the limiting pin hole and is used for locking the limiting pin.
And a lower auxiliary mounting hole is also formed in the lower clamping block, and the axis direction of the lower auxiliary mounting hole is respectively vertical to the axes of the limiting pin hole and the locking hole.
The clamp head seat is provided with a plurality of mounting holes which are uniformly distributed on the circumference, and the clamp head seat is also provided with mounting positioning holes.
By adopting the structure, the mounting hole is used for fixing the mounting bolt of the clamp head seat, and the mounting positioning hole is used for quickly fixing the mounting position.
The clamping groove is formed in the upper end of the upper clamping block, the upper auxiliary mounting hole is formed in the upper clamping block and located above the lower auxiliary mounting hole, and the axis of the upper auxiliary mounting hole is parallel to the axis of the lower auxiliary mounting hole.
By adopting the structure, the clamping groove is convenient to press and bear force, and when the pressure is insufficient, the auxiliary mounting hole and the lower auxiliary mounting hole are used for mounting the auxiliary tool, so that greater pulling force is provided, and the upper clamping cone head is opened.
A stop hole is formed in the upper clamping block, and one end of the stop column is inserted into the stop hole.
By adopting the structure, when the clamping groove of the upper clamping block is pressed by applying force downwards, the stop hole moves downwards and is blocked by the stop column, so that the upper clamping block is prevented from being too large to be opened, damaged and incapable of elastically recovering the original shape.
Compared with the prior art, the micro-drill processing collet has the following advantages:
1. the upper clamping block is matched with the rigid deformation groove I and the rigid deformation groove II, so that the upper clamping block has rigid deformation and is used for quickly assembling and disassembling the drill bit;
2. the drill bits are positioned by arranging the limiting pins in the limiting holes, so that the machining lengths of all the drill bits are consistent;
3. the stop column is matched with the stop hole of the first rigid deformation groove to stop the upper clamping block, so that the situation that the upper clamping block is too large to open and exceeds the rigid deformation limit of the clamping head, permanent deformation is caused, and the original shape cannot be restored by self rigidity is avoided.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the explosion structure of the present invention.
Fig. 3 is a schematic sectional structure of the present invention.
Fig. 4 is a schematic perspective view of the middle clamp of the present invention.
Fig. 5 is a schematic cross-sectional view of the middle clamp of the present invention.
Fig. 6 is a schematic side view of the middle clamp of the present invention.
In the figure: 1-drill bit, 2-tungsten steel cylinder sleeve, 3-chuck, 3 a-lower clamping block, 3a 1-lower clamping cone head, 3a 2-locking hole, 3a 3-limit pin hole, 3a 4-lower auxiliary mounting hole, 3 b-chuck seat, 3b 1-mounting hole, 3b 2-stop column hole, 3b 3-mounting positioning hole, 3 c-upper clamping block, 3c 1-clamping groove, 3c 2-rigid deformation groove I, 3c 3-upper auxiliary mounting hole, 3c 4-rigid deformation groove II, 3c 5-upper clamping cone head, 4-stop column, 5-limit pin, 6-fastening screw and 7-limit hole.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-6, the embodiment provides a micro-drill processing collet chuck, which includes a collet chuck 3, the collet chuck 3 includes a collet chuck base 3b, a lower clamping block 3a and an upper clamping block 3c, the lower clamping block 3a and the upper clamping block 3c are located above the collet chuck base 3b, an upper clamping cone 3c5 is arranged at an end of the upper clamping block 3c, a lower clamping cone 3a1 is arranged at an end of the lower clamping block 3a, a tungsten steel cylinder sleeve 2 is arranged inside the upper clamping cone 3c5 and the lower clamping cone 3a1, a drill bit 1 is arranged inside the tungsten steel cylinder sleeve 2, a rigid deformation groove one 3c2 is arranged at an end of the upper clamping block 3c close to the collet chuck base 3, a rigid deformation groove two 3c4 is further arranged on the upper clamping block 3c, and a rigid deformation groove two 3c4 is located below the rigid deformation groove one 3c 2; the first rigid deformation groove 3c2 and the second rigid deformation groove 3c4 enable the upper clamping block 3c to have one end elasticity, the upper clamping block 3c is forced downwards, the first rigid deformation groove 3c2 and the second rigid deformation groove 3c4 are both deformed, the upper conical head 3c5 is elastically opened upwards, and the tungsten steel cylinder sleeve 2 is released, namely the drill bit 1 is installed or released.
A limiting hole 7 is formed between the lower clamping block 3a and the upper clamping block 3c, a stop column hole 3b2 is formed in the clamping head seat 3b, and a stop column 4 is arranged in the stop column hole 3b 2; the upper clamping block 3c is prevented from being damaged due to too large opening and being incapable of elastically recovering the original shape.
The tungsten steel cylinder sleeve 2 consists of an upper cylinder sleeve and a lower cylinder sleeve, the upper cylinder sleeve is positioned inside the upper clamping conical head 3c5, the lower cylinder sleeve is positioned inside the lower clamping conical head 3a1, a drill bit 1 is arranged between the upper cylinder sleeve and the lower cylinder sleeve, and the inner diameter of the tungsten steel cylinder sleeve 2 is smaller than the diameter of the drill bit 1; the upper cylinder sleeve and the lower cylinder sleeve of the tungsten steel cylinder sleeve 2 are matched and used for clamping the drill bit 1.
The lower clamping block 3a is provided with a limiting pin hole 3a3, the limiting pin hole 3a3 is positioned below the limiting hole 7, the limiting pin hole 3a3 is communicated with the limiting hole 7, a limiting pin 5 is arranged in the limiting pin hole 3a3, the end part of the limiting pin 5 is arranged in the limiting hole 7, the end part of the lower clamping cone head 3a1 is provided with a locking hole 3a2, the locking hole 3a2 is communicated with the limiting pin hole 3a3, the locking hole 3a2 is perpendicular to the axis of the limiting pin hole 3a3, and a fastening screw 6 is arranged in the locking hole 3a2 in a threaded manner; the limiting pin 5 can slide in the limiting pin hole 3a3, the limiting pin hole 3a3 is communicated with the limiting hole 7, the limiting pin 5 can extend into the limiting hole 7, a drill bit is positioned, and the tightening screw 6 is in threaded fit with the locking hole 3a2 after extending into the limiting pin, and is screwed in or out for locking the limiting pin 5.
The lower clamping block 3a is further provided with a lower auxiliary mounting hole 3a4, and the axial direction of the lower auxiliary mounting hole 3a4 is respectively perpendicular to the axial lines of the limit pin hole 3a3 and the locking hole 3a 2.
A plurality of mounting holes 3b1 which are uniformly distributed on the circumference are formed in the chuck base 3b, and mounting positioning holes 3b3 are also formed in the chuck base 3 b; the mounting holes 3b1 are used for fixing the mounting bolts of the chuck base 3b, and the mounting positioning holes 3b3 are used for quickly fixing the mounting position.
The upper end of the upper clamping block 3c is provided with a clamping groove 3c1, the upper clamping block 3c is provided with an upper auxiliary mounting hole 3c3, the upper auxiliary mounting hole 3c3 is positioned above the lower auxiliary mounting hole 3a4, and the axis of the upper auxiliary mounting hole 3c3 is parallel to the axis of the lower auxiliary mounting hole 3a 4; the clamping groove 3c1 is convenient for being pressed and stressed, and when the pressure is insufficient, a pull ring is arranged in the upper auxiliary mounting hole 3c3 and the lower auxiliary mounting hole 3a4, so that the clamping head can be conveniently opened by stress, and the drill bit 1 can be assembled and disassembled.
A stopping hole is formed in the upper clamping block 3c, and one end of the stopping column 4 is inserted into the stopping hole; when the clamping groove 3c of the upper clamping block 3c is pressed downwards by applying force, the stop hole moves downwards and is blocked by the stop column 4, so that the situation that the upper clamping block 3c is too large to open and exceeds the rigid deformation limit of the chuck, the permanent deformation is caused, and the original shape can not be recovered by the rigidity of the upper clamping block 3c is avoided.
The utility model discloses a theory of operation:
fixing the chuck seat 3b at a corresponding working position through the mounting hole 3b1, pushing the limit pin 5 inwards along the limit pin hole 3a3 until the end of the limit pin 5 is positioned inside the limit hole 7, screwing the fastening screw 6, locking the limit pin 5 by the fastening screw 6, enabling the lower clamping block 3a and the upper clamping block 3c of the chuck 3 to be in a clamping state, applying force downwards to press the clamping groove 3c1, enabling the rigid deformation groove I3 c2 and the rigid deformation groove II 3c4 to deform, enabling the upper chuck 3c5 at one end of the upper clamping block 3c to elastically expand upwards, namely the upper cylinder sleeve of the tungsten steel cylinder sleeve 2 to expand, and when the pressing force is insufficient, enabling the upper chuck 3c3 and a pull ring in the lower auxiliary mounting hole 3a4 to be convenient to be forced to open the chuck, enabling the upper chuck 3c5 to expand, and being capable of clamping the drill bit 1 more quickly, enabling the drill bit 1 to penetrate through the tungsten steel cylinder sleeve 2 and enabling the end of the drill bit 1 to abut against the limit pin 5, turning off the force applied to the clamping groove 3c1, enabling the rigid deformation groove I3 c2 and the rigid deformation groove II 3c4 to generate springback, resetting the upper clamping cone head 3c5, enabling the tungsten steel cylinder sleeve 2 to clamp the drill bit 1, subsequently machining the drill bit 1, after machining is completed, applying force and pressing downwards on the clamping groove 3c1, opening the tungsten steel cylinder sleeve 2, and taking out the drill bit 1.
The upper clamping block 3c of the utility model adopts the matching of the rigid deformation groove I3 c2 and the rigid deformation groove II 3c4, so that the upper clamping block 3c has rigid deformation for fast assembling and disassembling the drill bit 1; the drill bits 1 are positioned by arranging the limiting pins 5 in the limiting holes 7, so that the machining lengths of all the drill bits 1 are consistent; the stop column 4 is matched with the stop hole of the first rigid deformation groove 3c2 to stop the upper clamping block 3c, so that the upper clamping block 3c is prevented from being too large to be opened, damaged and incapable of elastically recovering the original shape.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. A micro-drill processing collet chuck comprises a collet and is characterized in that the collet chuck consists of a collet chuck seat, a lower clamping block and an upper clamping block, the lower clamping block and the upper clamping block are located above the collet chuck seat, an upper clamping cone head is arranged at the end part of the upper clamping block, a lower clamping cone head is arranged at the end part of the lower clamping block, tungsten steel cylinder sleeves are arranged inside the upper clamping cone head and the lower clamping cone head, a drill bit is arranged inside the tungsten steel cylinder sleeves, a rigid deformation groove I is formed in the end part, close to the collet chuck seat, of the upper clamping block, a rigid deformation groove II is further formed in the upper clamping block, and the rigid deformation groove II is located below the rigid deformation groove.
2. The micro-drilling collet chuck of claim 1, wherein a limiting hole is formed between the lower clamping block and the upper clamping block, a stop post hole is formed on the collet seat, and a stop post is arranged in the stop post hole.
3. The micro-drilling collet chuck according to claim 1, wherein the tungsten steel cylinder sleeve is composed of an upper cylinder sleeve and a lower cylinder sleeve, the upper cylinder sleeve is located inside the upper chuck head, the lower cylinder sleeve is located inside the lower chuck head, a drill bit is arranged between the upper cylinder sleeve and the lower cylinder sleeve, and the inner diameter of the tungsten steel cylinder sleeve is smaller than the diameter of the drill bit.
4. The micro-drilling collet chuck according to claim 2, wherein the lower clamping block is provided with a limiting pin hole, the limiting pin hole is located below the limiting hole and communicated with the limiting hole, a limiting pin is arranged inside the limiting pin hole, the end of the limiting pin is arranged inside the limiting hole, the end of the lower clamping conical head is provided with a locking hole, the locking hole is communicated with the limiting pin hole and is perpendicular to the axis of the limiting pin hole, and a fastening screw is threadedly arranged inside the locking hole.
5. The collet of claim 4, wherein the lower clamping block further comprises a lower auxiliary mounting hole, and the axial direction of the lower auxiliary mounting hole is perpendicular to the axes of the limiting pin hole and the locking hole.
6. The micro-drill processing collet chuck of claim 1, wherein the collet chuck seat is provided with a plurality of mounting holes uniformly distributed on the circumference, and the collet chuck seat is further provided with mounting positioning holes.
7. The micro-drilling collet chuck of claim 5, wherein the upper clamping block has a clamping groove at the upper end, the upper clamping block has an upper auxiliary mounting hole, the upper auxiliary mounting hole is located above the lower auxiliary mounting hole, and the upper auxiliary mounting hole is parallel to the axis of the lower auxiliary mounting hole.
8. The micro-drill collet as recited in claim 2, wherein the upper clamping block has a stop hole formed therein, and one end of the stop post is inserted into the stop hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921413661.1U CN210649578U (en) | 2019-08-28 | 2019-08-28 | Micro-drill processing collet chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921413661.1U CN210649578U (en) | 2019-08-28 | 2019-08-28 | Micro-drill processing collet chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210649578U true CN210649578U (en) | 2020-06-02 |
Family
ID=70841282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921413661.1U Active CN210649578U (en) | 2019-08-28 | 2019-08-28 | Micro-drill processing collet chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210649578U (en) |
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2019
- 2019-08-28 CN CN201921413661.1U patent/CN210649578U/en active Active
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