CN212019515U - Improved drill jig facilitating workpiece disassembly - Google Patents
Improved drill jig facilitating workpiece disassembly Download PDFInfo
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- CN212019515U CN212019515U CN201922410970.XU CN201922410970U CN212019515U CN 212019515 U CN212019515 U CN 212019515U CN 201922410970 U CN201922410970 U CN 201922410970U CN 212019515 U CN212019515 U CN 212019515U
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Abstract
The utility model provides an improved drill jig convenient for workpiece disassembly, which comprises a drill jig body, wherein the inner cavity of the drill jig body is of a cylindrical hollow structure, the drill jig body is provided with a relative disassembly end face, a drill bushing is radially arranged on the drill jig body, an inner hole is arranged in the drill bushing, and the axis of the inner hole is perpendicular to the axis of the drill jig body; the inner wall of the drill jig body is provided with a hollow groove corresponding to the bottom end of the drill bushing, the hollow groove extends from the bottom end of the drill bushing to the disassembly end face of the drill jig body, and the extending direction of the hollow groove is parallel to the axis of the drill jig body; the workpiece dismounting direction is parallel to the axis of the drill jig body. The improved drill jig is provided with the hollow groove, so that burrs on a workpiece after drilling cannot be stuck with the inner surface of the drill jig body, the workpiece can be conveniently dismounted from the drill jig body by an operator, auxiliary means such as pushing, knocking and the like are not required, and the deviation phenomenon of the position of the drill jig is avoided; meanwhile, the labor intensity of operators is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a machining jig technical field especially relates to a make things convenient for improvement jig that work piece was dismantled.
Background
In the field of machining, a drill jig (drilling jig) is generally used for batch machining of a workpiece having a hole with a tolerance requirement, and the drill jig is a machine tool fixture for guiding a tool to drill or ream a hole in the workpiece. The use of the drill jig greatly reduces the skill requirement and the labor intensity of operators and improves the working efficiency. In the process of machining a product by using the drill jig in daily use (holes are machined on the outer circle of the product), the workpiece is often difficult to unload after the drilling machining is finished, and the product is basically unloaded by other auxiliary means, such as pushing, knocking and the like. Therefore, the labor intensity of operators is increased, the working efficiency is reduced, and the phenomenon of deviation of the position of the drill jig sometimes occurs.
Through careful observation and analysis of an operator, the reason why the workpiece after drilling is difficult to detach from the drill jig is that: after drilling, burrs (the sharpness of a drill bit determines the size of the burrs) can appear in the orifice of the workpiece, and when the workpiece is disassembled, the workpiece is difficult to disassemble due to the fact that the burrs are stuck at the contact position of the workpiece and the inner wall of the drill jig.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing an improved drill jig which is convenient for disassembling workpieces.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an improved drill jig facilitating workpiece disassembly comprises a drill jig body, wherein an inner cavity of the drill jig body is of a cylindrical hollow structure, the drill jig body is provided with opposite disassembly end faces, a drill bushing is radially arranged on the drill jig body, an inner hole is formed in the drill bushing, and the axis of the inner hole is perpendicular to the axis of the drill jig body; a hollow groove is formed in the inner wall of the drill jig body corresponding to the bottom end of the drill bushing, the hollow groove extends from the bottom end of the drill bushing to the dismounting end face of the drill jig body, and the extending direction of the hollow groove is parallel to the axis of the drill jig body; the workpiece dismounting direction is parallel to the axis of the drill jig body.
Preferably, the cross section of the drill sleeve is T-shaped, the drill sleeve is provided with a clamping part and a guide part which are opposite, and the inner hole penetrates through the clamping part and the guide part; the guide part is embedded into the drill jig body, and the clamping part is clamped on the outer side of the drill jig body.
Preferably, along the axial direction of the jig body, the distance from the innermost wall of the hollowed-out groove to the disassembly end surface is greater than the distance from the innermost wall of the guide part to the disassembly end surface.
Preferably, the width of the hollow-out groove is larger than the diameter of the inner hole along the direction perpendicular to the axis of the jig body and the axis of the inner hole.
Preferably, the cross section of the hollow-out groove is rectangular.
Preferably, along the axial direction of the inner hole, the depth of the hollow groove is one fourth to one third of the wall thickness of the drill jig body.
Preferably, the inner wall of the disassembly end face of the drill jig body is provided with an inclined ring face, and the outer diameter of the inclined ring face is larger than the inner diameter of the inclined ring face.
Compared with the prior art, the beneficial effects of the utility model are that: the improved drill jig is provided with the hollow groove corresponding to the bottom end of the drill bushing on the inner wall of the drill jig body, so that burrs on a workpiece after drilling cannot be stuck with the inner surface of the drill jig body, an operator can conveniently detach the workpiece from the drill jig body, auxiliary means such as pushing and knocking are not needed, and the deviation phenomenon of the position of the drill jig is avoided; meanwhile, the labor intensity of operators is reduced, and the working efficiency is improved.
Drawings
Fig. 1 is an axial sectional view of an improved drill jig for facilitating workpiece disassembly according to embodiment 1 of the present invention;
fig. 2 is a radial cross-sectional view of an improved drill jig for facilitating workpiece disassembly according to embodiment 1 of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
fig. 4 is a structural diagram of an improved drill jig applied state for facilitating workpiece detachment according to embodiment 1 of the present invention.
In the figure, 1-a drill jig body, 2-a disassembly end face, 3-a drill bushing, 4-an inner hole, 5-a hollowed-out groove, 6-a clamping part, 7-a guide part, 8-an inclined ring surface, 9-a workpiece, 10-a drill bit and 11-a burr.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 to 4, fig. 1 is an axial cross-sectional view of an improved drill jig facilitating workpiece detachment according to embodiment 1 of the present invention; fig. 2 is a radial cross-sectional view of an improved drill jig for facilitating workpiece disassembly according to embodiment 1 of the present invention; FIG. 3 is an enlarged view of the structure at A in FIG. 1; fig. 4 is a structural diagram of an improved drill jig applied state for facilitating workpiece detachment according to embodiment 1 of the present invention.
Referring to fig. 1, the improved drill jig of embodiment 1 of the present invention for facilitating workpiece detachment includes a drill jig body 1, an inner cavity of the drill jig body 1 is a cylindrical hollow structure, the drill jig body 1 has a relative detachment end surface 2, a drill bushing 3 is radially disposed on the drill jig body 1, an inner hole 4 is disposed inside the drill bushing 3, and an axis of the inner hole 4 is perpendicular to an axis of the drill jig body 1; preferably, the cross section of the drill bushing 3 is T-shaped, the drill bushing 3 is provided with a clamping part 6 and a guide part 7 which are opposite, and the inner hole 4 penetrates through the clamping part 6 and the guide part 7; the guide part 7 is embedded into the drill jig body 1, and the clamping part 6 is clamped outside the drill jig body 1. In application, a workpiece 9 needing to be drilled on an excircle is placed in an inner cavity of the drill jig body 1, the drill bit 10 enters from the inner hole 4 to drill the workpiece 9, and the inner hole 4 in the drill bushing 3 plays a role in guiding the drill bit 10 to determine a drilling position, so that the drill bit 10 is prevented from inclining, and the accuracy of the drilling position is ensured.
Referring to fig. 1 to 4, a hollow groove 5 is formed in the inner wall of the drill jig body 1 corresponding to the bottom end of the drill bushing 3, the cross section of the hollow groove 5 is rectangular, the hollow groove 5 extends from the bottom end of the drill bushing 3 to the detachable end face 2 of the drill jig body 1, and the extending direction of the hollow groove 5 is parallel to the axis of the drill jig body 1; the workpiece removal direction is the X direction marked in fig. 1 and 4, and is parallel to the axis of the jig body 1. After drilling processing, burrs 11 appear in the orifices of the workpieces 9, due to the arrangement of the hollow grooves 5, when the workpieces 9 are disassembled by an operator, the burrs 11 can move along the hollow grooves 5, the burrs 11 are prevented from being stuck at the contact positions of the inner wall of the drill jig body 1 and the workpieces 9, and the workpieces 9 are convenient to disassemble.
Preferably, referring to fig. 1 or fig. 3, in the axial direction of the jig body 1, the distance from the innermost wall of the hollow-out groove 5 to the detachable end surface 2 is greater than the distance from the innermost wall of the guide portion 7 to the detachable end surface 2. Since the sharpness of the drill bit 10 determines the size of the burr 11, the sharper the drill bit 10, the smaller the burr 11; therefore, in different embodiments, the size of the hollow-out groove 5 can be adjusted according to the sharpness of the drill 10, and when the sharpness of the drill 10 is low, the size of the hollow-out groove 5 can be increased appropriately; when the sharpness of the drill 10 is high, the size of the hollow 5 can be reduced appropriately.
Preferably, referring to fig. 2, the width of the hollow-out groove 5 is greater than the diameter of the inner hole 4 along the direction perpendicular to the axis of the jig body 1 and perpendicular to the axis of the inner hole 4. During drilling, the burr 11 generally appears in the periphery of the orifice and diffuses outward, so that the width of the hollow groove 5 needs to be larger than the diameter of the inner hole 4, and the burr clamping stagnation is avoided. In different embodiments, the width of the hollow-out groove 5 can be adjusted according to the sharpness of the drill 10, and when the sharpness of the drill 10 is low, the width of the hollow-out groove 5 can be increased appropriately; when the sharpness of the drill 10 is high, the width of the hollow 5 can be reduced appropriately.
Preferably, the depth of the hollow-out groove 5 is one fourth to one third of the wall thickness of the jig body 1 along the axial direction of the inner hole 4. The depth of the hollow-out groove 5 cannot be too large, otherwise, the wall thickness of the drill jig body 1 is reduced, and the structural strength of the drill jig body 1 and the guide length (namely the axial length of the inner hole 4) of the drill bushing 3 are reduced; the depth of the hollow-out groove 5 cannot be too small, otherwise the burr 11 cannot be completely accommodated, so that the phenomenon of clamping stagnation of the burr is caused, and the workpiece 9 is not convenient to disassemble.
Preferably, the inner wall of the disassembly end surface 2 of the drill jig body 1 is provided with an inclined ring surface 8, and the outer diameter of the inclined ring surface 8 is larger than the inner diameter. The inclined ring surface 8 is convenient for an operator to take the workpiece 9 out of the inner cavity of the drill jig body 1, so that the labor intensity of the operator is reduced, and the working efficiency is improved.
Referring to fig. 4, the improved drill jig of the present invention is applied to the process of drilling a workpiece on an outer circle, the workpiece 9 is placed in the inner cavity of the drill jig body 1, the drill bit 10 enters from the inner hole 4 of the drill bushing 3, the outer circle of the workpiece 9 is drilled, the inner hole 4 of the drill bushing 3 guides the drill bit 10, the drill bit 10 is prevented from inclining during the drilling process, and the accuracy of the drilling position is ensured; after drilling, burrs 11 appear at the orifices of the workpiece 9, due to the existence of the hollow-out grooves 5, when an operator dismantles the workpiece 9 along the workpiece disassembling direction (X direction in fig. 4), the burrs 11 can move along the extending direction of the hollow-out grooves 5, so that the burrs 11 are prevented from being stuck at the contact part of the inner wall of the drill jig body 1 and the workpiece 9, and the workpiece 9 is convenient to disassemble; meanwhile, the phenomenon of burr clamping stagnation is eliminated, and auxiliary means such as pushing, knocking and the like are not needed by an operator, so that the labor intensity of the operator is reduced, the working efficiency is improved, and the phenomenon of deviation of the position of the drill jig caused by knocking is avoided.
The utility model discloses an improve the jig and use the back, it is very convenient when dismantling the work piece, obtained operator's unanimous recognition, eliminated jig position off tracking phenomenon, simultaneously, alleviateed operator's intensity of labour greatly, improved production efficiency.
To sum up, the utility model provides an improved jig facilitating the disassembly of a workpiece, which is applied to the processing technology of the workpiece needing to be drilled on an excircle, the improved jig is provided with a hollow groove on the inner wall of a jig body corresponding to the bottom end of a drill bushing, so that burrs on the workpiece after drilling can not generate clamping stagnation with the inner surface of the jig body, an operator can conveniently disassemble the workpiece from the jig body, auxiliary means such as pushing, knocking and the like are not needed, and the deviation phenomenon of the position of the jig is avoided; meanwhile, the labor intensity of operators is reduced, and the working efficiency is improved.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (7)
1. The utility model provides a make things convenient for improvement jig of work piece dismantlement which characterized in that: the drill jig comprises a drill jig body, wherein the inner cavity of the drill jig body is of a cylindrical hollow structure, the drill jig body is provided with opposite disassembly end surfaces, a drill bushing is radially arranged on the drill jig body, an inner hole is formed in the drill bushing, and the axis of the inner hole is perpendicular to the axis of the drill jig body; a hollow groove is formed in the inner wall of the drill jig body corresponding to the bottom end of the drill bushing, the hollow groove extends from the bottom end of the drill bushing to the dismounting end face of the drill jig body, and the extending direction of the hollow groove is parallel to the axis of the drill jig body; the workpiece dismounting direction is parallel to the axis of the drill jig body.
2. The improved jig for facilitating removal of a workpiece of claim 1 wherein: the cross section of the drill bushing is T-shaped, the drill bushing is provided with a clamping part and a guide part which are opposite, and the inner hole penetrates through the clamping part and the guide part; the guide part is embedded into the drill jig body, and the clamping part is clamped on the outer side of the drill jig body.
3. The improved jig for facilitating removal of a workpiece of claim 2 wherein: and along the axial direction of the drill jig body, the distance from the innermost wall of the hollow groove to the disassembly end surface is greater than the distance from the innermost wall of the guide part to the disassembly end surface.
4. An improved jig for facilitating removal of a workpiece as defined in claim 3, wherein: and the width of the hollow groove is greater than the diameter of the inner hole along the direction which is perpendicular to the axis of the drill jig body and perpendicular to the axis of the inner hole.
5. The improved jig for facilitating removal of a workpiece of claim 1 wherein: the cross section of the hollow-out groove is rectangular.
6. The improved jig for facilitating removal of a workpiece of claim 1 wherein: along the axial direction of the inner hole, the depth of the hollow groove is one fourth to one third of the wall thickness of the drill jig body.
7. The improved jig for facilitating removal of a workpiece of claim 1 wherein: the inner wall of the disassembly end face of the drill jig body is provided with an inclined ring face, and the diameter of the outer side of the inclined ring face is larger than that of the inner side of the inclined ring face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922410970.XU CN212019515U (en) | 2019-12-28 | 2019-12-28 | Improved drill jig facilitating workpiece disassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922410970.XU CN212019515U (en) | 2019-12-28 | 2019-12-28 | Improved drill jig facilitating workpiece disassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212019515U true CN212019515U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922410970.XU Active CN212019515U (en) | 2019-12-28 | 2019-12-28 | Improved drill jig facilitating workpiece disassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212019515U (en) |
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2019
- 2019-12-28 CN CN201922410970.XU patent/CN212019515U/en active Active
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