TWM517656U - Precision clamping sleeve - Google Patents

Description

Precision clamping sleeve (2)

The utility model relates to the technical field of a knife sleeve, in particular to a precision clamping sleeve which is provided by a clamping sleeve at an axially equidistant distance of an inner circumferential wall of a narrow hollow end. Each of the slots is parallel to the inner diameter of the clamping sleeve and extends to the end surface at one end, and the peripheral wall extends to the ring groove outside the clamping sleeve; the plurality of concave arc grooves, each of the concave arc grooves and the like The distance is parallel to the narrow end of the clamping sleeve at the hollow diameter, and overlaps with each of the slots and extends to the end surface.

Referring to Figures 8 to 9, as shown in the following, conventional cutters have a wide variety of sleeves, wherein an axial hollow portion of a knife 90 is placed in a collet 91, and a clamping hole 92 is formed in the axial direction of the collet 91. And the axial inner peripheral wall of the collet 91 is provided with a plurality of open slots 93, and the open slots 93 are parallel to each other and extend to the clamping portion of one end of the collet 91, and the other end of the collet 91 is mounted Provided in the blade holder 90, a blade member 94 is inserted into the opening portion of the collet 91 to provide a workpiece for processing; however, the collet 91 in the blade 90 still has many defects. The opening of each of the opening grooves 93 of the clamping portion of the collet 91 has a large amount of deformation, so that the inner diameter of the blade member 94 and the collet 91 are between 0.015 mm and 0.3 mm, and When the clamping member 94 is clamped, the error is easily deflected, and further, one end of the opening portion of the clamping portion 91 generates a large clamping force; However, due to uneven clamping force at both ends, the blade 94 is liable to yaw when the other end is actuated, which causes processing errors and reduces the accuracy of the workpiece.

Therefore, in view of the problems existing in the above-mentioned conventional sleeve structure, how to develop an innovative structure with more ideal and practicality is really eagerly awaited by consumers, and it is also a goal and direction for relevant industry players to make efforts to develop breakthroughs.

It is known that the opening of each of the opening grooves of the clamping portion of the collet has a large amount of deformation, so that the gap between the inner diameter of the blade and the collet is set to be between 0.015 mm and 0.3 mm, and the knife is clamped. When the piece is easily deflected, an error occurs. In addition, one end of the opening of the clamping portion of the collet generates a large clamping force; but because the clamping force at both ends is uneven, the other end is prone to yaw when the other end is actuated. This leads to errors in machining and reduces the accuracy of the workpiece.

The present invention provides a precision clamping sleeve, comprising: a clamping sleeve, the clamping sleeve has a straight cylindrical shape and a through hole is axially disposed; and the clamping sleeve extends perpendicularly to a peripheral wall of one end of the perforation a ring flange is disposed, and a ring groove is disposed at a vertical intersection of the ring flange and the clamping sleeve, wherein the ring flange end of the clamping sleeve is provided with a plurality of slots on a radial end surface, each of the sections The groove is radially radial in the clamping sleeve and the end surface extends to the axial inner diameter, and each of the slots is equidistant from each other and parallel to each other, but each of the slots does not penetrate the ring flange at the end surface An outer diameter; and the ring groove extending through the clamping sleeve and extending to the outer peripheral wall of the clamping sleeve; and by the above structure, the clamping sleeve is subjected to a pressure-tight inner diameter Groove In time, the deformation amount of the clamping sleeve can be reduced to improve the clamping strength and achieve the purpose of precision machining.

Each of the slots is uniformly perforated in the clamping sleeve at the other end of the ring flange, and each of the through holes has a circular shape and corresponds to each other in a circle.

Wherein, the inner diameter of the clamping sleeve has a plurality of concave arc grooves, and the concave arc grooves are equidistant from each other and overlap with the respective grooves and extend to the end surface to form a concave curved surface.

Wherein, each of the clamping sleeves is provided with a flange with respect to the inner diameter of the other end of the ring flange, and the height of the flange is lower than the inner peripheral wall of each of the slots.

Wherein the clamping sleeve is inserted into the sleeve from the other end of the ring flange until the ring flange abuts against the sleeve head, and the hole is inserted into a tool at the center of the end surface, the cutter and the clip The gap between the sleeves is 0 mm to 0.015 mm.

Each of the slots of the clamping sleeve of the present invention is not completely cut through the end surface, and is matched with the concave arc grooves to clamp the cutter tightly; thus, the deformation amount is excessively prevented, and the tool clamping is reduced. The error of time, while reducing the yaw during cutting operation to improve the clamping strength, to achieve the purpose of precision machining.

With regard to the techniques, means and functions of the present invention, a preferred embodiment will be described in detail with reference to the drawings and drawings, and the reviewer will be able to have a more detailed understanding of the novel and familiarize himself with the The skilled artisan can implement the following, and the following description is only for explaining the preferred embodiment and is not intended to limit the scope of the present invention. Therefore, any configuration of the present invention based on the configuration of the present invention may be Modifications are within the scope of this new type of protection.

[This new type]

11‧‧‧Clamping sleeve

12‧‧‧Perforation

21‧‧‧ end face

22‧‧‧ ring flange

23‧‧‧ ring groove

24‧‧‧ slotting

25‧‧‧ concave arc slot

26‧‧‧through holes

27‧‧‧Flange

28‧‧‧ concave curved surface

31‧‧‧Knife head

41‧‧‧Tools

[study]

90‧‧‧knife

91‧‧‧ Collet

92‧‧‧Clamping hole

93‧‧‧Open slot

94‧‧‧Tools

Fig. 1 is a perspective view of the appearance of the present invention.

Fig. 2 is a schematic perspective view of the novel (1).

Fig. 3 is a plan view showing the axial end face of the present invention.

Figure 4: Schematic diagram of the three-dimensional section of the novel (2).

Figure 5 is a cross-sectional view of the A-A plane of the present invention.

Figure 6 is an exploded perspective view of an embodiment of the present invention.

Figure 7: Schematic diagram of the axial section of the novel.

Figure 8: A stereoscopic view of the appearance of the conventional.

Figure 9: Schematic diagram of the axial section when it is known to be active.

The first embodiment of the present invention provides a precision clamping sleeve, comprising: a clamping sleeve 11, the clamping sleeve 11 is a straight cylindrical shape and a through hole 12 is axially disposed; The ring sleeve 22 extends perpendicularly from the outer peripheral wall of the one end of the through hole 12, and a ring groove 23 is disposed at a vertical intersection of the ring flange 22 and the clamping sleeve 11. The radial end surface 21 of the clamping sleeve 11 at the end of the ring flange 22 is provided with a plurality of slots 24, each of the slots 24 being radially radial to the clamping sleeve 11 and extending to the axial inner diameter of the end surface 21 And each of the slots 24 are equidistant from each other and parallel to each other, but each of the sections 24 of the section 24 does not penetrate the outer diameter of the ring flange 22; and each of the slots 24 extends through the clamping sleeve 11 and The ring groove 23 extending to the outer peripheral wall of the clamping sleeve 11; by the above structure, when the clamping sleeve 11 is pressed against each of the slits 24 of the inner diameter, the clamping sleeve can be lowered 11 deformation amount to improve the clamping strength and achieve precision machining purpose.

Each of the slots 24 is provided with a common through hole 26 in the clamping sleeve 11 at the other end of the ring flange 22, and each of the through holes 26 has a circular shape and corresponds to each other in a circular shape.

The axial direction of the clamping sleeve 11 is provided with a plurality of concave arc grooves 25, and the concave arc grooves 25 are equidistant from each other and overlap with the respective slits 24 and extend to the end surface 21 to form a concave curved surface 28.

Each of the clamping sleeves 11 is provided with a flange 27 with respect to the inner diameter of the other end of the ring flange 22. The height of the flange 27 is lower than the inner peripheral wall of each of the slots 24.

The clamping sleeve 11 is inserted into the sleeve 31 from the other end of the ring flange 22 until the ring flange 22 abuts the sleeve head 31, and the hole 12 in the center of the end surface 21 is placed in a cutter 41. The gap between the cutter 41 and the clamping sleeve 11 is 0 mm to 0.015 mm.

When the cutter 41 is loaded, the cutter head 31 is first released, and the cutter 41 is adjusted, and then the end face 21 of the clamp sleeve 11 in the cutter head 31 is placed, and the clamp sleeve 11 is forced. At this time, each of the cavities 24 is matched with each of the concave arc grooves 25 to clamp the cutter 41 with a slight deformation to perform precise machining of the workpiece; it is particularly worth noting that the novel structure is suitable for the clamping sleeve. a thicker axial inner wall of the cylinder 11 , wherein each of the slits 24 is not completely cut through the end surface 21 , and at the same time, the concave arc groove 25 is used to reduce the deformation amount of the clamping sleeve 11 to be tightly clamped, thereby reducing The tool 41 detects the error of the yaw during the rotation, and also increases the strength of the clamping, thereby achieving an effective improvement in machining accuracy.

In summary, the present invention has many of the above-mentioned efficiencies and practical values, and can effectively improve the overall economic benefits. Therefore, the present invention is indeed an innovative structure, and the same or similar products are not seen in the same field technology. For public use, it should meet the requirements of the new patent, and apply in accordance with the law, and please give this new patent.

11‧‧‧Clamping sleeve

12‧‧‧Perforation

21‧‧‧ end face

22‧‧‧ convex edge

24‧‧‧ slotting

25‧‧‧ concave arc slot

28‧‧‧ concave curved surface

Claims (5)

A precision clamping sleeve includes: a clamping sleeve having a straight cylindrical shape and a through hole in the axial direction; the clamping sleeve further extending a circumferential convex wall at an outer peripheral end of the one end of the through hole a ring groove is formed at a vertical intersection of the ring flange and the clamping sleeve, wherein the ring flange end of the clamping sleeve is provided with a plurality of slots on a radial end surface, and each of the slots is The clamping sleeve is radially radial and the end surface extends to the axial inner diameter, and each of the slots is equidistant from each other and parallel to each other, but each of the slots does not penetrate the outer diameter of the ring flange at the end surface; And the ring groove extending through the clamping sleeve and extending to the outer peripheral wall of the clamping sleeve; and by the above structure, the clamping sleeve is subjected to pressure to clamp the inner diameter of each of the slots The deformation amount of the clamping sleeve can be reduced, which not only improves the clamping strength but also achieves the purpose of precision machining. The precision clamping sleeve according to claim 1, wherein each of the slits is uniformly perforated in the clamping sleeve at the other end of the ring flange, and each of the through holes has a circular shape and corresponds to each other in a circle. The precision clamping sleeve of claim 1, wherein the inner diameter of the inner diameter of the clamping sleeve is a plurality of concave arc grooves, each of the concave arc grooves being equidistant from each other and overlapping with each of the cavities and extending to the The end face forms a concave curved surface. The precision clamping sleeve of claim 1, wherein each of the clamping sleeves is provided with a flange opposite to the inner diameter of the other end of the ring flange, the height of the flange being lower than the inner peripheral wall of each of the slots . The precision clamping sleeve of claim 1, wherein the clamping sleeve is inserted into the sleeve from the other end of the ring flange until the ring flange abuts the sleeve head and is centered at the end face The perforation is placed in a tool having a gap of 0 mm to 0.015 mm from the clamping sleeve.