Anti-falling adjustable knife handle

Abstract

The utility model discloses an anti-falling adjustable knife handle which comprises a shell, an adjusting ring and an end cover. The adjusting ring is located in the shell, a plurality of adjusting assemblies are arranged on the side face of the shell in an annular array mode and penetrate through the shell to be connected with the side face of the adjusting ring, a plurality of locking pins corresponding to the adjusting assemblies are arranged on the end face of the shell, and the locking pins penetrate through the shell to be connected with the side faces of the adjusting assemblies. The end cover is installed on the end face of the shell and abuts against the end face of the shell to cover the locking pin, transverse force is always applied to the adjusting assembly through the locking pin, it is avoided that the adjusting assembly rotates and retreats due to vibration generated when the knife handle is used, the adjusting ring deviates, and the stability of the knife handle is improved; in addition, the inlet of the locking pin is covered by the end cover, so that the locking pin can be prevented from being exposed and shifting due to external influence, and meanwhile, the locking pin is prevented from protruding out of the shell to interfere with other parts.

Description

TECHNICAL FIELD

[0001] The utility model belongs to numerical control machine tool spindle technical field, specifically is a kind of adjustable tool shank of anti-dropping. BACKGROUND

[0002] Electric spindle is the important component of current mechanical processing, its output end is fixed to tool through tool shank, and the stability of tool shank is very important to the high-precision processing of product, the structure of tool shank is mainly composed of chuck, tool shank body, chuck holder, rear cover and chuck retainer and adjusting ring at present, each component is mainly position limited by corresponding screw, and adjusting ring needs to be position adjusted when necessary, therefore, adjusting assembly is used to fix adjusting ring, the existing problem is that vibration is generated in the process of processing, these vibrations are transmitted to adjusting nut and make it rotate loose, so that adjusting ring is offset, i.e. central axis is offset, and processing precision is reduced. SUMMARY

[0003] The utility model is to provide a kind of adjustable tool shank of anti-dropping to solve the problems presented in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of adjustable tool shank of anti-dropping, including shell, adjusting ring and end cover;

[0006] The adjusting ring is located in shell, and the side surface of shell annular array is equipped with several adjusting assemblies, and is connected with the side surface of adjusting ring through shell, the end surface of shell is equipped with several locking pins corresponding adjusting assembly, and the locking pin is connected with the side surface of adjusting assembly by penetrating shell;

[0007] The end cover is installed at the end surface of shell, and is in contact with the end surface of shell, to cover locking pin.

[0008] Further technical scheme, the locking pin is screw connected with shell.

[0009] Further technical scheme, the end surface of locking pin is flush with the end surface of shell.

[0010] Further technical scheme, the end surface of adjusting assembly is flush with the side surface of shell, or is sunk in shell.

[0011] Further technical scheme, the adjusting assembly includes fixed sleeve, the fixed sleeve is rotatably connected with adjusting screw, one end of the adjusting screw extends to the clamping groove of adjusting ring side wall, the clamping groove is equipped with adjusting nut, and the adjusting nut is screw connected with adjusting screw.

[0012] Further technical solutions, the fixed sleeve side along the circumference direction is equipped with V type groove, the end of the locking pin is taper face.

[0013] Further technical solutions, the shell is equipped with step, the end face of step is in contact with one end face of adjusting ring, the end cover cross section is T type, one end extends into the shell and is in contact with the other end face of adjusting ring.

[0014] The utility model discloses beneficial effect:

[0015] The utility model discloses through the locking pin always keeps the transverse force of applying to adjusting assembly, avoids the vibration of producing when the shank and rotates and retreats, makes adjusting ring deviate, improves the stability of shank, in addition, through the mode of the entrance of locking pin being covered by end cover, can avoid the displacement of locking pin being exposed and being influenced by outside, simultaneously avoids the interference of protruding in the shell and other components.

[0016] The other features and advantages of the utility model will be described in detail in the subsequent specific embodiment part. DRAWINGS

[0017] Fig. 1 The utility model discloses three -dimensional structure diagram.

[0018] Fig. 2 The utility model discloses sectional structure drawing.

[0019] Fig. 3 The utility model discloses explosion drawing.

[0020] Sign meaning: 1 - shell, 11 - step, 2 - adjusting ring, 21 - clamping groove, 3 - end cover, 41 - fixed sleeve, 42 - adjusting screw, 43 - adjusting nut, 44 - V type groove, 5 - locking pin. SPECIFIC IMPLEMENTATION

[0021] The technical solutions in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model.

[0022] Please refer to Figs. 1-3 ;

[0023] The utility model discloses the cutter holder has the adjustment function, and can effectively reduce the deviation influence caused by vibration, and specifically includes shell 1, adjusting ring 2 and end cover 3, need to explain, as a complete cutter holder should still have meson component and other necessary components, but in this scheme has not made improvement to it, therefore no longer to these components to repeat, adjusting ring 2 is located in shell 1, and the lateral annular array of shell 1 is equipped with a plurality of adjusting assemblies, and is connected with the lateral surface of adjusting ring 2 through shell 1, and the end surface of shell 1 is equipped with a plurality of locking pins 5 corresponding adjusting assembly, and locking pin 5 is connected with the lateral surface of adjusting assembly by penetrating into shell 1, and the angle of penetration into the end surface of shell 1 is not limited in this embodiment, preferably, locking pin 5 is perpendicular to the end surface of shell 1 and penetrates into it, end cover 3 is installed at the end surface of shell 1 and is in contact with the end surface of shell 1, covering locking pin 5, and end cover 3 can be connected and fixed with shell 1 in the simplest way by using screws.

[0024] In this embodiment, the connection mode of locking pin 5 and shell 1 has two modes:

[0025] The first mode is that locking pin 5 is simply inserted into shell 1, one end of which is in contact with the adjusting assembly, and the other end is flush with the end surface of shell 1, and then end cover 3 is installed in contact with the end surface of shell 1, covering and limiting the other end of locking pin 5 at this time, so that locking pin 5 cannot retreat and maintains the contact state with the adjusting assembly and applies a horizontal force to the lateral surface of the adjusting assembly.

[0026] The second mode is that locking pin 5 is threadedly connected with shell 1, one end of which is in contact with the adjusting assembly, and the other end is flush with the end surface of shell 1, and then end cover 3 is installed in contact with the end surface of shell 1, covering the entrance of locking pin 5, which can maintain the position of locking pin 5 fixed under the action of the thread, maintain the contact state with the adjusting assembly, and apply a horizontal force to the lateral surface of the adjusting assembly, and end cover 3 covers and limits the other end of locking pin 5, so that locking pin 5 cannot retreat.

[0027] No matter which fixing mode is adopted by locking pin 5, it always maintains a horizontal force applied to the adjusting assembly, avoids the vibration generated during the use of the cutter holder from rotating and retreating, causes the adjusting ring 2 to deviate, improves the stability of the cutter holder, and avoids the displacement of locking pin 5 caused by the influence of the external environment due to the exposure of locking pin 5, and avoids the interference of locking pin 5 protruding from the shell and other components.

[0028] In this embodiment, the adjusting assembly is fixed by locking pin 5, which cannot advance and retreat, but can still adjust the adjusting ring 2, and the end surface of the adjusting assembly is flush with the lateral surface of shell 1 or is recessed in shell 1, which can avoid the displacement of the adjusting assembly caused by the influence of the external environment due to the exposure of the adjusting assembly, and avoids the interference of the adjusting assembly protruding from the shell and other components.

[0029] The utility model relates to one of the embodiments of the adjusting assembly, specifically includes fixed sleeve 41, the lateral wall of shell 1 is provided with the through hole for the adjusting assembly to put, locking pin 5 from the end face of shell 1 penetrates and extends to the through hole and the fixed sleeve 41 is in contact, by locking pin 5 to fixed sleeve 41 keep exerting transverse force, make its fixed sleeve 41 fixed in the through hole, preferably, the outer periphery of fixed sleeve 41 can be connected with the through hole thread, further promote the fastening degree of fixed sleeve 41, the rotatable connection of fixed sleeve 41 is in adjusting screw 42, adjusting screw 42 and fixed sleeve 41 can relatively rotate, but cannot advance and retreat, like this can avoid adjusting screw 42 to protrude from the end face of shell 1, in addition, sealing ring etc. parts can be added in fixed sleeve 41 and adjusting screw 42 support, increase the damping feeling, need to exert certain force to make adjusting screw 42 rotate, like this can reduce the influence produced in the working process vibration, can avoid the error touch simultaneously and make adjusting screw 42 rotate and lead to the decline of adjustment accuracy, the one end of adjusting screw 42 extends to the clamping groove 21 of adjusting ring 2 lateral wall, the clamping groove 21 is equipped with adjusting nut 43, the clamping groove 21 can limit the rotation of adjusting nut 43, for example sets the protruding block in the end face of adjusting nut 43, sets up the clamping groove 21 in the groove bottom with the clamping groove 21 is matched with the protruding block, adjusting nut 43 is connected with adjusting screw 42 thread;

[0030] The position of fixed sleeve 41 is locked under the action of locking pin 5, so that the whole cannot be separated from shell 1, but adjusting screw 42 can still rotate relative to fixed sleeve 41 to adjust, only need to rotate adjusting screw 42 to control the longitudinal position of adjusting nut 43 to achieve the purpose of adjusting the position of adjusting ring 2, it should be noted that since the adjusting assembly has multiple, one of the adjusting assemblies controls the top of adjusting nut 43, and the opposite adjusting assembly needs to control the retreat of adjusting nut 43.

[0031] Further, the side surface of the fixed sleeve 41 is provided with a V-shaped groove along the circumference direction, and the end portion of the locking pin 5 is a tapered surface, which can more effectively prevent loosening.

[0032] In the embodiment of the utility model, the shell 1 is provided with a step 11, the end face of the step 11 is in contact with one of the end faces of the adjusting ring 2, the end cover 3 has a T-shaped cross section, one end of the end cover 3 extends into the shell 1 and is in contact with the other end face of the adjusting ring 2, which can better limit the longitudinal position of the adjusting ring 2 and avoid tilting and other situations, so that the stability of the whole is further improved.

[0033] 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 that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0034] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A kind of anti-drop adjustable tool holder, comprising shell (1), adjusting ring (2) and end cover (3), it is characterized in that: The adjusting ring (2) is located in shell (1), the lateral annular array of the shell (1) is equipped with several adjusting components, and is connected with the lateral surface of adjusting ring (2) through shell (1), the end surface of the shell (1) is equipped with several locking pins (5) corresponding adjusting component, and the locking pin (5) is connected with adjusting component lateral surface by penetrating into shell (1); The end cover (3) is installed at the end surface of shell (1), and is in contact with the end surface of shell (1), covers locking pin (5).

2. The anti -shifting adjustable tool holder according to claim 1, wherein: The locking pin (5) is connected with shell (1) by screw thread.

3. The anti -shifting adjustable tool holder according to claim 1, wherein: The end surface of the locking pin (5) is flush with the end surface of shell (1).

4. The anti -backout adjustable tool holder according to claim 1, wherein: The lateral surface of the adjusting component end surface is flush with the lateral surface of shell (1), or is sunk into shell (1).

5. The anti -backout adjustable tool holder according to claim 1, wherein: The adjusting component includes fixed sleeve (41), the fixed sleeve (41) is rotatably connected with adjusting screw (42), one end of the adjusting screw (42) extends to the clamping groove (21) of adjusting ring (2) side wall, the clamping groove (21) is equipped with adjusting nut (43), and the adjusting nut (43) is connected with adjusting screw (42) by screw thread.

6. The anti -backout adjustable tool holder of claim 5, wherein: The lateral surface of the fixed sleeve (41) is equipped with V-shaped groove along the circumference direction, and the end of the locking pin (5) is conical surface.

7. The anti -backout adjustable tool holder according to claim 1, wherein: The shell (1) is equipped with step (11) inside, the end surface of step (11) is in contact with one of the end surfaces of adjusting ring (2), and the cross section of the end cover (3) is T-shaped, one end of which extends into shell (1) and is in contact with the other end surface of adjusting ring (2).

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