CN221232013U

CN221232013U - Hydraulic knife handle structure

Info

Publication number: CN221232013U
Application number: CN202323124859.7U
Authority: CN
Inventors: 任鹏
Original assignee: Shandong Aojia Precision Machinery Manufacturing Co ltd
Current assignee: Shandong Aojia Precision Machinery Manufacturing Co ltd
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-06-28
Anticipated expiration: 2033-11-20

Abstract

The utility model relates to the technical field of machine tool cutters, in particular to a hydraulic cutter handle structure, which comprises: the inner wall of the knife handle is provided with a knife; the adjusting mechanism is used for adjusting the mounting length of the cutter and is arranged in the cutter handle; the adjusting mechanism comprises a thread sleeve, a movable groove is formed in the inner wall of the tool handle, and the thread sleeve is rotationally connected to the inner wall of the movable groove; then insert the inside pentagonal hole through using the instrument and rotate the worm, worm meshing drives the worm wheel ring and rotates, and then the worm wheel ring drives the thread bush and rotates, and the thread bush screw drives the screw thread ejector pin and remove, can drive the cutter when the screw thread ejector pin contacts the one end of cutter this moment and remove until the length of adjustment cutter exposes outside the handle of a knife to suitable position, later give the cutter press from both sides tightly through clamping assembly can, compare in contrast patent, this device can be convenient for adjust the installation length of cutter to this practicality of device promotes.

Description

Hydraulic knife handle structure

Technical Field

The utility model relates to the technical field of machine tool cutters, in particular to a hydraulic cutter handle structure.

Background

In the high-speed universal knife handle system, the service life of the high-precision knife handle is generally lower, the application range of the high-precision knife handle is smaller, and the maintenance is inconvenient; the cutter is clamped in the cutter handle body through the collet chuck, and in the cutter clamping process, the collet chuck needs to bear a large amount of radial force and axial force, so that vibration of the cutter in the machining process cannot be reduced, and the service life is low.

Through searching, like a Chinese published patent entitled "a hydraulic knife handle structure", publication number is "CN209717114U", this patent is through adopting hydraulic oil to hold tight endotheca rear end, and its can endotheca stable location cutter, guarantees the stability of cutter processing, and the existence of hydraulic oil can effectively prevent or alleviate the vibrations of cutter in the course of processing, has not only effectively solved work piece processing surface quality problem, can also improve the life of the utility model, but the device can't adjust the length of cutter installation in the handle of a knife when installing the cutter, and its practicality is lower.

Therefore, a hydraulic knife handle structure is proposed to solve the above problems.

Disclosure of utility model

The utility model aims to solve the problems and provide a hydraulic knife handle structure which solves the problem that the length of a knife installed in a knife handle cannot be adjusted when the knife is installed.

The utility model realizes the aim through the following technical scheme, and the hydraulic knife handle structure comprises: the inner wall of the knife handle is provided with a knife; the adjusting mechanism is used for adjusting the mounting length of the cutter and is arranged in the cutter handle; the utility model provides an adjusting device, including the handle of a knife, adjustment mechanism includes the thread bush, movable groove has been seted up to the inner wall of handle of a knife, the thread bush rotates to be connected in movable groove inner wall, the inside threaded connection of thread bush has the screw ejector pin, screw ejector pin's one end runs through screw bush, movable groove and handle of a knife in proper order and extends to the inside of handle of a knife, the inside of handle of a knife is provided with clamping assembly, the ring channel has been seted up to the inner wall of movable groove, the fixed surface of screw bush is connected with the worm wheel ring that is located the ring channel inside, the surface of handle of a knife has been seted up the rotary groove that is linked together with the ring channel, the surface engagement of worm wheel ring is connected with the worm that is located the rotary groove inside, the bottom of worm rotates to be connected in the interior bottom wall of rotary groove, the inside five angular hole has been seted up at the top of worm, in the use, installs the cutter in the inside of handle of a knife, then rotates the worm through using the tool insert in five angular hole, and the worm engagement drives the ring and rotates, then the wheel ring drives the screw ejector pin and moves when the screw contact to the one end of cutter, and can drive the cutter and move until the adjusting tool is exposed at the outside handle of a position, can install the length in order to install the device in order to compare with this practicality.

Preferably, the clamping assembly comprises an expansion wall arranged in the tool holder, an oil cavity is formed between the surface of the expansion wall and the inner wall of the tool holder, a flow guide cavity communicated with the oil cavity is formed in the tool holder, a pressurizing cavity communicated with the flow guide cavity is formed in the surface of the tool holder, a pressurizing column is arranged in the pressurizing cavity, a sealing plug is arranged at one end, close to the flow guide cavity, of the pressurizing column, an external thread is arranged on the surface of the pressurizing column, an internal thread matched with the external thread is formed in the inner wall of the pressurizing cavity, the pressurizing column is arranged in the pressurizing cavity through the external thread and the internal thread, after the installation length of the tool is adjusted, the pressurizing column is driven to move towards the interior of the pressurizing cavity through the cooperation of the external thread and the internal thread, at the moment, the sealing plug can pressurize the expansion wall after the pressure of hydraulic oil in the oil cavity is lifted, the surface of the tool is clamped by the pressure deformation of the expanding wall, compared with the comparison patent, the device does not need to additionally arrange an enclasping inner sleeve, the stability of the tool holder structure is improved, and the leakage probability of the hydraulic oil is reduced.

Preferably, one end of the threaded ejector rod penetrates through the expansion wall, one end of the threaded ejector rod is rotationally connected with a rotating plate, and the rotating plate can avoid the situation that the threaded ejector rod can drive the cutter to rotate when moving.

Preferably, the inner wall of expansion wall has offered the annular of equidistance distribution, expansion wall's fixed surface is connected with the stiffening ring that is two in quantity, and the annular can increase expansion wall deformation's space, and the stiffening ring can promote expansion wall's compressive property, reduces expansion wall's probability of damage.

The beneficial effects of the utility model are as follows:

1. When the tool is used, the tool is arranged in the tool handle, then the tool is inserted into the inner pentagonal hole to rotate the worm, the worm is meshed to drive the worm wheel ring to rotate, then the worm wheel ring drives the threaded sleeve to rotate, the threaded sleeve threads drive the threaded ejector rod to move, at the moment, the threaded ejector rod can drive the tool to move when contacting one end of the tool until the length of the tool exposed out of the tool handle is adjusted to a proper position, and then the tool is clamped by the clamping assembly;

2. After the installation length of cutter has been adjusted, through twisting the pressurization post, the pressurization post drives the sealing plug through the cooperation effect of external screw thread and internal screw thread down and removes towards the pressurization intracavity portion, and the sealing plug can exert pressure to hydraulic oil this moment, can pressurize the expansion wall after the hydraulic oil pressure in the oil pocket promotes, expansion wall pressurized deformation press from both sides the surface of cutter can, compare in the contrast patent, this device need not to additionally set up hugs closely the endotheca, reduces the probability that hydraulic oil appears leaking, increases the stability of handle of a knife structure.

Drawings

FIG.1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic illustration of the connection of the worm gear ring and worm gear of the present utility model;

FIG. 4 is a schematic view of the structure of the clamping assembly of the present utility model;

Fig. 5 is an enlarged view of a in fig. 2.

In the figure: 1. a knife handle; 2. a cutter; 3. an adjusting mechanism; 31. a movable groove; 32. a thread sleeve; 33. a worm gear ring; 34. a worm; 35. a threaded ejector rod; 36. an annular groove; 37. a rotating groove; 38. an inner pentagonal hole; 39. a clamping assembly; 3901. a pressurized cavity; 3902. a diversion cavity; 3903. an oil chamber; 3904. an expansion wall; 3905. a reinforcing ring; 3906. pressurizing the column; 3907. a sealing plug; 3908. a ring groove; 310. and rotating the plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The specific implementation method comprises the following steps: as shown in fig. 1-5, a hydraulic knife handle structure comprises: the tool comprises a tool handle 1, wherein a tool 2 is arranged on the inner wall of the tool handle 1; an adjusting mechanism 3, wherein the adjusting mechanism 3 for adjusting the mounting length of the cutter 2 is arranged inside the cutter handle 1; the adjusting mechanism 3 comprises a thread sleeve 32, a movable groove 31 is formed in the inner wall of the tool holder 1, the thread sleeve 32 is rotationally connected to the inner wall of the movable groove 31, a thread ejector rod 35 is rotationally connected to the inner thread of the thread sleeve 32, one end of the thread ejector rod 35 sequentially penetrates through the thread sleeve 32, the movable groove 31 and the tool holder 1 and extends to the inner part of the tool holder 1, a clamping component 39 is arranged in the tool holder 1, an annular groove 36 is formed in the inner wall of the movable groove 31, a worm wheel ring 33 located in the annular groove 36 is fixedly connected to the surface of the thread sleeve 32, a rotating groove 37 communicated with the annular groove 36 is formed in the surface of the tool holder 1, a worm 34 located in the rotating groove 37 is in meshed connection with the surface of the worm wheel ring 33, the bottom end of the worm 34 is rotationally connected to the inner bottom wall of the rotating groove 37, an inner pentagonal hole 38 is formed in the top of the worm 34, the tool 2 is installed in the tool holder 1 in use, then the worm wheel ring 33 is driven to rotate by using a tool, the worm wheel ring 33 drives the thread sleeve 32 to rotate, the thread sleeve 32 drives the thread ejector rod 35{ the surface of the worm wheel ring 33 to be provided with the same diameter as the tool 2, and the tool 2 is driven to move to the tool 2, and the tool 2 is clamped to the same diameter when the tool 2 is in diameter is adjusted to the diameter, and the tool 2 is smoothly and the tool 2 is contacted with the tool 2, and the tool 2 is moved to the tool 2, and the tool 2 is in diameter and is smoothly and the diameter is adjusted.

As shown in fig. 1, fig. 2, fig. 4 and fig. 5, the clamping component 39 comprises an expansion wall 3904 arranged in the tool holder 1, an oil cavity 3903 is formed between the surface of the expansion wall 3904 and the inner wall of the tool holder 1, a flow guide cavity 3902 communicated with the oil cavity 3903 is formed in the tool holder 1, a pressurizing cavity 3901 communicated with the flow guide cavity 3902 is formed in the surface of the tool holder 1, a pressurizing column 3906 is arranged in the pressurizing cavity 3901, a sealing plug 3907 is arranged at one end, close to the flow guide cavity 3902, of the pressurizing column 3906, an external thread is arranged on the surface of the pressurizing column 3906, an internal thread matched with the external thread is formed in the inner wall of the pressurizing cavity 3901, the pressurizing column 3906 is mounted in the pressurizing cavity 3901 through the external thread and the internal thread, after the mounting length of the tool 2 is adjusted, the pressurizing column 3906 is screwed, the sealing plug 3907 is driven to move towards the pressurizing cavity 3901{ the pressurizing cavity 3901, the flow guide cavity 3902 and the oil cavity 3903 } are arranged in the pressurizing cavity 3906, hydraulic oil is pressurized, the pressurizing plug 3907 is pressurized, the pressure of the pressurizing cavity 3903 is pressurized, and the inner wall of the tool 2 is deformed by expanding the pressurizing column after the internal thread is pressurized by the internal thread, and the tool 2 is pressed by the expanding the pressurizing wall.

As shown in fig. 2, 4 and 5, one end of the threaded ejector rod 35 penetrates into the expansion wall 3904, and one end of the threaded ejector rod 35 is rotatably connected to a rotation plate 310.

As shown in fig. 2, 4 and 5, the inner wall of the expansion wall 3904 is provided with equidistant ring grooves 3908, and the surface of the expansion wall 3904 is fixedly connected with two reinforcing rings 3905.

When the tool is used, the tool 2 is installed in the tool holder 1, then the tool is inserted into the inner pentagonal hole 38 to rotate the worm 34, the worm 34 is meshed to drive the worm wheel ring 33 to rotate, then the worm wheel ring 33 drives the thread sleeve 32 to rotate, the thread sleeve 32 is threaded to drive the thread ejector rod 35 to move, at the moment, the thread ejector rod 35 contacts one end of the tool 2, the tool 2 is driven to move until the length of the tool 2 exposed out of the tool holder 1 is adjusted to a proper position, then the pressurizing column 3906 is screwed, the pressurizing column 3906 drives the sealing plug 3907 to move towards the inside of the pressurizing cavity 3901 under the cooperation of external threads and internal threads, at the moment, the sealing plug 3907 applies pressure to hydraulic oil, after the pressure of the hydraulic oil in the oil cavity 3903 is lifted, the expansion wall 3904 is pressurized, and the expansion wall 3904 is pressed and deformed to clamp the surface of the tool 2.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A hydraulic knife handle structure, characterized by comprising:

The tool comprises a tool handle (1), wherein a tool (2) is arranged on the inner wall of the tool handle (1);

An adjusting mechanism (3), wherein the adjusting mechanism (3) for adjusting the mounting length of the cutter (2) is arranged inside the cutter handle (1);

Wherein, guiding mechanism (3) include thread bush (32), movable groove (31) have been seted up to the inner wall of handle of a knife (1), thread bush (32) rotate and connect in movable groove (31) inner wall, the inside threaded connection of thread bush (32) has screw thread ejector pin (35), the one end of screw thread ejector pin (35) runs through thread bush (32), movable groove (31) and handle of a knife (1) in proper order and extends to the inside of handle of a knife (1), the inside of handle of a knife (1) is provided with clamping assembly (39).

2. The hydraulic knife handle structure according to claim 1, wherein: the clamping assembly (39) comprises an expansion wall (3904) arranged inside the tool handle (1), an oil cavity (3903) is formed between the surface of the expansion wall (3904) and the inner wall of the tool handle (1), a flow guide cavity (3902) communicated with the oil cavity (3903) is formed in the tool handle (1), and a pressurizing cavity (3901) communicated with the flow guide cavity (3902) is formed in the surface of the tool handle (1).

3. The hydraulic knife handle structure according to claim 1, wherein: an annular groove (36) is formed in the inner wall of the movable groove (31), a worm wheel ring (33) located in the annular groove (36) is fixedly connected to the surface of the threaded sleeve (32), a rotating groove (37) communicated with the annular groove (36) is formed in the surface of the tool handle (1), and a worm (34) located in the rotating groove (37) is connected to the surface of the worm wheel ring (33) in a meshed mode.

4. The hydraulic knife handle structure according to claim 2, wherein: one end of the threaded ejector rod (35) penetrates through the expansion wall (3904), and one end of the threaded ejector rod (35) is rotatably connected with a rotating plate (310).

5. A hydraulic knife handle structure according to claim 3, characterized in that: the bottom end of the worm (34) is rotatably connected to the inner bottom wall of the rotary groove (37), and an inner pentagonal hole (38) is formed in the top of the worm (34).

6. The hydraulic knife handle structure according to claim 2, wherein: the inside of pressurization chamber (3901) is provided with pressurization post (3906), the one end that pressurization post (3906) is close to water conservancy diversion chamber (3902) is provided with sealing plug (3907).

7. The hydraulic knife handle structure according to claim 6, wherein: the surface of pressurization post (3906) is provided with the external screw thread, the internal screw thread with external screw thread assorted is seted up to the inner wall in pressurization chamber (3901), pressurization post (3906) is installed in the inside in pressurization chamber (3901) through external screw thread and internal screw thread.

8. The hydraulic knife handle structure according to claim 2, wherein: annular grooves (3908) distributed at equal intervals are formed in the inner wall of the expansion wall (3904), and two reinforcing rings (3905) are fixedly connected to the surface of the expansion wall (3904).