End face driven cutter handle

Abstract

The end face driven cutter handle comprises a pressing structure, a locking structure and an output structure, the pressing structure comprises a pressing cover, the pressing cover is provided with a plurality of lock holes, an installation sleeve is arranged in the middle of the pressing cover, a hollow channel used for installing the locking structure is arranged in the installation sleeve, and the locking structure is arranged in the hollow channel. The locking structure comprises a mounting shaft and a movable part arranged on the mounting shaft, the mounting shaft is connected with the output structure, and the output structure comprises an output shaft and a connecting sleeve shell. And an embedded clamping and locking mechanism is adopted, so that slipping of a traditional gear is effectively eliminated, and the gear cannot be jammed in the clamping and disassembling mode. A spanner is used for rotating in any lock hole in the end face of the gland, the driven straight gear can rotate, the chuck is tightened while rotating, a T-shaped external thread tooth is arranged at the chuck position, and the two thread teeth of the chuck and the two thread teeth of the driven straight gear are matched with each other. And when the cutter is contracted, the cutter is clamped, the rigidity of the whole structure is higher, and the torque transmission is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing cutter technical field, concretely is a kind of end face driven tool holder. BACKGROUND

[0002] Machine tool processing cutter is the tool widely used in machining, mainly used for cutting and processing various materials, usually by blade and handle two parts. Handle is the part of connecting blade and machine tool spindle, ensure the stability and accuracy of cutter in the machining process. And traditional cutter is easy to slip in the process of clamping, and will be jammed in the process of disassembly. SUMMARY

[0003] In order to overcome the deficiencies of prior art, the utility model provides a kind of end face driven tool holder, can effectively solve the problem proposed in background art.

[0004] The utility model discloses the technical scheme adopted to solve its technical problems is:

[0005] A kind of end face driven tool holder, including compression structure, locking structure and output structure, the compression structure includes gland, the gland is equipped with multiple lock holes, the middle part of the gland is equipped with mounting sleeve, the mounting sleeve is equipped with hollow passageway for installing locking structure, the locking structure includes installation shaft and the movable element on installation shaft, the installation shaft is connected with output structure, the output structure includes output shaft and connecting sleeve shell, wherein the installation shaft is also equipped with driven spur gear and the clamp head connected with the driven spur gear connection, the installation shaft is coaxially arranged with output shaft, the clamp head moves along the axial direction of installation shaft by driven spur gear.

[0006] As further description of the above technical solutions, the gland and mounting sleeve are integrally formed, the mounting sleeve is equipped with cutter, the cutter is detachably arranged on installation shaft, and the clamp head is connected with the cutter.

[0007] As further description of the above technical solutions, the connecting sleeve shell is equipped with multiple installation cavities, the connecting sleeve shell is arranged in the gland, the gland is sealingly connected with the connecting sleeve shell, and the connecting sleeve shell is equipped with guide groove corresponding to the lock hole.

[0008] As further description of the above technical solutions, the lock hole is equipped with spanner, the spanner is equipped with driving spur gear, and the driving spur gear is meshed with driven spur gear.

[0009] As further description of the above technical solutions, the movable element includes first bearing and second bearing, and the first bearing and the second bearing are both composed of multiple steel balls.

[0010] As further description of the above technical solutions, the number of lock holes is 4.

[0011] As further description of the above technical solution, the end of the collet is provided with a first thread, the driven spur gear is provided with a second thread, and the driven spur gear is threadedly matched with the collet.

[0012] Compared with the prior art, the end face driven tool holder has the following beneficial effects:

[0013] The end face driven tool holder has the following beneficial effects at least one of which is achieved during use:

[0014] The embedded clamping and locking mechanism effectively eliminates the slippage of the traditional gear, and the clamping manner will not be stuck. The wrench is rotated at the end face of the gland in any one locking hole, the driven spur gear is rotated, and the clamping head is tightened at the same time. The clamping head has a T-shaped external thread tooth, and the two thread teeth of the clamping head and the driven spur gear are matched with each other. The contraction force of mutual engagement is generated, the tool is clamped at the same time of contraction, the overall structure is more rigid, and the torque transmission is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the end face driven tool holder.

[0016] Fig. 2 It is a whole exploded structure schematic view of the end face driven tool holder.

[0017] Fig. 3 It is a cross-sectional structure schematic view of the end face driven tool holder.

[0018] Reference numerals in the drawings:

[0019] 1, compression structure; 101, gland; 102, locking hole; 103, mounting sleeve; 2, locking structure; 201, mounting shaft; 202, tool; 203, movable part; 3, output structure; 301, wrench; 302, driven spur gear; 303, driving spur gear; 304, output shaft; 305, first bearing; 306, second bearing. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] For example, Figs. 1-3The utility model provides a kind of end face driven tool shank, including compression structure 1, locking structure 2 and output structure 3, the compression structure 1 includes gland 101, the gland 101 is equipped with multiple lock holes 102, the middle part of the gland 101 is equipped with mounting sleeve 103, the hollow passage for installing locking structure 2 is equipped in the mounting sleeve 103, the locking structure 2 includes mounting shaft 201 and movable element 203 on mounting shaft 201, the mounting shaft 201 is connected with output structure 3, the output structure 3 includes output shaft 304 and connecting sleeve shell, wherein the mounting shaft 201 is also equipped with driven spur gear 302 and the chuck connected with driven spur gear 302, the mounting shaft 201 is coaxially arranged with output shaft 304, the chuck moves along the axis direction of mounting shaft 201 by driven spur gear 302.

[0022] This embodiment adopts inlay type clamping locking mechanism, effectively eliminates traditional gear slip, and the dismounting mode will not be jammed. The driven spur gear 302 is rotated by using spanner 301 to rotate at the end face of gland 101 in any one lock hole 102, and the chuck is tightened at the same time. The chuck has a T-shaped external thread tooth, and the two thread teeth of the chuck and the driven spur gear 302 are matched with each other. The contraction force of mutual engagement is generated, and the tool 202 is clamped at the same time.

[0023] Further, the gland 101 is integrally formed with the mounting sleeve 103, the mounting sleeve 103 is provided with the tool 202, the tool 202 is detachably arranged on the mounting shaft 201, and the chuck is connected with the tool 202. The connecting sleeve shell is 10 taper, which is a digital machine tool output structure 3. The structure is more rigid, the torque transmission is more stable, and the model is DIN69873.

[0024] Further, a plurality of mounting cavities are arranged in the connecting sleeve shell, the connecting sleeve shell is arranged in the gland 101, the gland 101 is sealingly connected with the connecting sleeve shell, and the connecting sleeve shell is provided with a guide groove corresponding to the lock hole 102. The chuck is tightened at the same time by using spanner 301 to rotate at the end face of gland 101 in any one lock hole 102.

[0025] Further, the lock hole 102 is provided with spanner 301, the spanner 301 is provided with driving spur gear 303, and the driving spur gear 303 is engagedly connected with driven spur gear 302. The chuck has a T-shaped external thread tooth, and the two thread teeth of the chuck and the driven spur gear 302 are matched with each other. The contraction force of mutual engagement is generated, and the tool 202 is clamped at the same time.

[0026] Further, the movable element 203 includes first bearing 305 and second bearing 306, and the first bearing 305 and the second bearing 306 are both composed of a plurality of steel balls.

[0027] Further, the number of the lock holes 102 is four.

[0028] Further, the end of the chuck is provided with a first thread, the driven spur gear 302 is provided with a second thread, and the driven spur gear 302 is threadedly matched with the chuck.

[0029] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather that it can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments should therefore be considered in all respects as exemplary and not restrictive, the scope of the application being defined by the appended claims rather than that of the above description, and it is intended to embrace all changes and modifications that fall into the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A face-driven tool holder, characterized in that: The device includes a clamping structure, a locking structure, and an output structure. The clamping structure includes a pressure cover with multiple locking holes and a mounting sleeve in the center. The mounting sleeve has a hollow channel for mounting the locking structure. The locking structure includes a mounting shaft and a movable part mounted on the mounting shaft. The mounting shaft is connected to the output structure. The output structure includes an output shaft and a connecting sleeve. The mounting shaft also has a driven spur gear and a chuck connected to the driven spur gear. The mounting shaft and the output shaft are coaxially arranged, and the chuck moves along the axial direction of the mounting shaft via the driven spur gear.

2. The end-face driven tool holder according to claim 1, characterized in that: The pressure cap and the mounting sleeve are integrally formed. The mounting sleeve is equipped with a cutting tool, which is detachably mounted on the mounting shaft. The chuck is connected to the cutting tool.

3. The end-face driven tool holder according to claim 1, characterized in that: The connecting sleeve has multiple mounting cavities. The connecting sleeve passes through the pressure cover, and the pressure cover is sealed to the connecting sleeve. The connecting sleeve has guide grooves with corresponding lock holes.

4. The end-face driven tool holder according to claim 1, characterized in that: The lock hole is equipped with a wrench, and the wrench is equipped with a driving spur gear, which meshes with the driven spur gear.

5. The end-face driven tool holder according to claim 1, characterized in that: The moving part includes a first bearing and a second bearing, both of which are composed of multiple steel balls.

6. A face-driven tool holder according to claim 1 or 4, characterized in that: The number of keyholes is 4.

7. The end-face driven tool holder according to claim 1, characterized in that: The end of the chuck is provided with a first thread, and the driven spur gear is provided with a second thread. The driven spur gear is threadedly engaged with the chuck.

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