CN213672072U - Volume key processing cutter - Google Patents

Abstract

The utility model discloses a processing cutter of volume key, including handle of a knife and blade disc, be equipped with mounting hole and step face on the blade disc, the one end that the handle of a knife is used for installing the blade disc is equipped with four first spouts, sliding connection has the slider in the spout, one side fixedly connected with collet of blade disc, the nut has been cup jointed on the collet, the external screw thread looks adaptation on the internal thread of nut and the elastic plate of constituteing collet. The utility model discloses during the use, place the handle of a knife in the mounting hole, rotate nut compaction collet, it is spacing to carry out first step through collet fixed handle of a knife, rotates the dead lever again, extrudees away the slider and with blade disc step face contact through the fixed plate, it is spacing to carry out second step to the handle of a knife, through setting up two sets of stop devices, when the connected mode can be dismantled in blade disc and handle of a knife adoption, still can guarantee the steadiness that blade disc and handle of a knife are connected at the during operation.

Description

Volume key processing cutter

Technical Field

The utility model relates to a cell-phone accessory processing correlation technique field especially relates to a processing cutter of volume key.

Background

When machining mobile phone parts, most of the parts machining belongs to the fine machining category, in particular to the machining of control keys such as volume keys. Therefore, the milling cutter is frequently used during the machining process, and thus the wear of the milling cutter is very serious, and the overall machining accuracy is affected when a certain portion of the cutter head is broken, so that the milling cutter needs to be frequently replaced. Therefore, in order to save replacement cost, a milling cutter is divided into a detachable cutter head for processing and a detachable cutter handle for clamping by some people, but the detachable design is adopted between the cutter head and the cutter handle, and the stability of connection between the cutter head and the cutter handle influences processing.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a processing cutter of a volume key.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cutter for processing a volume key comprises a cutter handle and a cutter head, wherein the cutter head is provided with a mounting hole and a step surface, the diameters of the two ends of the knife handle are different, the diameter of one end of the knife handle, which is used for installing the knife disc, is matched with the inner diameter of the installation hole, one end of the knife handle, which is used for installing the knife disc, is provided with four first sliding grooves, sliding blocks are connected in the sliding grooves in a sliding mode, springs are fixedly connected between the sliding blocks and the inner walls of the sliding grooves, and one end of the knife handle provided with the sliding groove is rotationally connected with a rotating ring, the inner wall of the rotating ring is fixedly connected with a group of fixed rods, the outer wall of the rotating ring is fixedly connected with four fixed plates, one side of the cutter head is fixedly connected with an elastic chuck, the elastic chuck is composed of a plurality of elastic plates with threads, the elastic chuck is sleeved with a nut, and the internal threads of the nut are matched with the external threads on the elastic plates forming the elastic chuck.

As a further aspect of the present invention: the fit mode between the tool shank and the mounting hole is interference fit.

As a further aspect of the present invention: the novel blade cutting machine is characterized in that a plurality of mounting table tops are arranged on the blade disc and used for mounting blades, positioning plates are fixedly connected to the lower portions of the mounting table tops, positioning holes are formed in the blades and the mounting table tops, threads are arranged in the positioning holes, the blades are fixedly connected to the mounting table tops through screws, a plurality of chip guiding grooves are formed in the blade disc, and the number of the chip guiding grooves is consistent with that of the mounting table tops.

As a further aspect of the present invention: the blade is made of high-speed tool steel.

As a further aspect of the present invention: the one end of handle of a knife installation blade disc is equipped with the second spout, sliding connection has the movable block in the second spout, sliding connection is changed into with the connected mode of swivel becket to the dead lever, the central fixedly connected with connecting rod of department of dead lever, the one end that the dead lever was kept away from to the connecting rod rotates with the movable block to be connected, the movable block articulates there are two stoppers, the stopper rotates to be connected in the handle of a knife.

The utility model has the advantages that:

1. when the tool is used, the tool handle is placed in the mounting hole, the nut is rotated to compact the elastic chuck, the tool handle is fixed through the elastic chuck to perform first-step limiting, then the fixed rod is rotated, the sliding block is extruded out through the fixed plate and is in contact with the step surface of the tool handle, second-step limiting is performed on the tool handle, and by arranging the two groups of limiting devices, when the tool handle is detachably connected with the tool handle, the stability of the tool handle and the tool handle in working connection can still be ensured;

2. through the arrangement of the mounting table top, actual effective work is carried out by the blades when the tool is used, only a single blade can be replaced after the blade at a certain position is damaged by arranging the detachable blade, the whole cutter head does not need to be replaced, a worker can replace the blade more quickly through the positioning plate and the positioning hole, and chips generated during the operation of the tool can be better discharged due to the arrangement of the chip guide groove;

3. through setting up the second spout, during the use, promote the dead lever, make the stopper rotate and the swivel becket separation, can be through rotating the slip of dead lever control slider this moment, reverse promotion dead lever makes the stopper press on the swivel becket, through the rotation of frictional force restriction swivel becket, has further strengthened the limiting displacement of slider to the handle of a knife, has strengthened the steadiness that the handle of a knife is connected with the blade disc.

Drawings

Fig. 1 is a schematic structural view of a volume key processing tool according to embodiment 1;

fig. 2 is an enlarged view of a portion a of a schematic structural view of a volume key processing tool according to embodiment 1;

fig. 3 is a schematic structural view of a slider of a volume key processing tool according to embodiment 1;

fig. 4 is a schematic structural view of a cutter head of a machining cutter for volume keys according to embodiment 1;

fig. 5 is a schematic structural view of a collet of a volume key processing tool according to embodiment 1;

fig. 6 is a sectional view showing the entire side structure of a volume key processing tool according to embodiment 2.

In the figure: 1. the cutter comprises a cutter handle 2, a nut 3, an elastic chuck 4, a cutter head 5, a chip guide groove 6, a blade 7, a positioning block 8, a positioning hole 9, a fixing rod 10, a sliding block 11, a spring 12, a fixing plate 13, a step surface 14, a mounting hole 15, a connecting rod 16, a second sliding groove 17, a movable block 18 and a limiting block.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-5, a processing cutter for volume keys comprises a cutter handle (1 and a cutter head (4), wherein the cutter head (4 is provided with a mounting hole 14 and a step surface 13, the diameters of two ends of the cutter handle 1 are unequal, the diameter of one end of the cutter handle 1, which is used for mounting the cutter head 4, is matched with the inner diameter of the mounting hole 14, one end of the cutter handle 1, which is used for mounting the cutter head 4, is provided with four first sliding grooves, sliding blocks 10 are connected in the sliding grooves in a sliding manner, springs 11 are fixedly connected between the sliding blocks 10 and the inner walls of the sliding grooves, one end of the cutter handle 1, which is provided with the sliding grooves, is rotatably connected with a rotating ring, the inner wall of the rotating ring is fixedly connected with a group of fixing rods 9, the outer wall of the rotating ring is fixedly connected with four fixing plates 12, one side of the cutter, the internal thread of the nut 2 is matched with the external thread on the elastic plate forming the elastic chuck 3.

The tool holder 1 and the mounting hole 14 are in interference fit.

Wherein, be equipped with a plurality of installation mesa on blade disc 4, installation mesa is used for installing blade 6, installation mesa below fixedly connected with locating plate 7, all be equipped with locating hole 8 on blade 6 and the installation mesa, be equipped with the screw thread in the locating hole 8, blade 6 passes through screw fixed connection on the installation mesa, be equipped with a plurality of chip grooves 5 on blade disc 4, chip groove 5 quantity and installation mesa keep unanimous.

Wherein the material of the blade 6 is high-speed tool steel.

The working principle is as follows: when in use, the tool shank 1 is placed in the mounting hole 14, the nut 2 is rotated to compact the elastic chuck 3, the elastic chuck 3 is used for fixing the knife handle 1 for first-step limiting, then the fixed rod 9 is rotated, the slide block 10 is extruded out through the fixed plate 12 and is contacted with the step surface of the knife disc 4, the knife handle is limited in the second step, and when the knife head 4 and the knife handle 1 are in a detachable connection mode through arranging two groups of limiting devices, still can ensure the stability of the connection between the cutter head 4 and the cutter handle 1 during work, and when in use, the actual effective work is carried out by the blades 6, by arranging the detachable blades 6, only a single blade 6 can be replaced after the blade at a certain position is damaged, the whole cutter head 4 does not need to be replaced, and the positioning plate 7 and the positioning hole 8 can enable workers to replace the blade 6 more quickly, and the chip guiding groove 5 can enable the cutter to better discharge generated chips during working.

Example 2

Referring to fig. 6, a processing cutter of volume key, this embodiment compares in embodiment 1, the one end of 1 installation blade disc 4 of handle of a knife is equipped with second spout 16, sliding connection has movable block 17 in the second spout 16, sliding connection is changed into with the connected mode of swivel becket to dead lever 9, the center department fixedly connected with connecting rod 15 of dead lever 9, the one end that dead lever 9 was kept away from to connecting rod 15 rotates with movable block 17 to be connected, movable block 17 articulates there are two stopper 18, stopper 18 rotates to be connected in handle of a knife 1.

The working principle is as follows: during the use, promote dead lever 9, make stopper 18 rotate and the swivel becket separation, can be through rotating the slip of dead lever 9 control slider 10 this moment, reverse promotion dead lever 9 makes stopper 18 press on the swivel becket, through the rotation of frictional force restriction swivel becket, further strengthened the limiting displacement of slider 10 to handle of a knife 1, strengthened the steadiness that handle of a knife 1 and blade disc 4 are connected.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a processing cutter of volume key, includes handle of a knife (1) and blade disc (4), its characterized in that, be equipped with mounting hole (14) and step face (13) on blade disc (4), handle of a knife (1) both ends diameter is unequal, the diameter that handle of a knife (1) is used for installing the one end of blade disc (4) and the internal diameter looks adaptation of mounting hole (14), the one end that handle of a knife (1) is used for installing blade disc (4) is equipped with four first spouts, sliding connection has slider (10) in the spout, fixedly connected with spring (11) between slider (10) and spout inner wall, and the one end rotation that handle of a knife (1) is equipped with the spout is connected with the rotating ring, rotating ring inner wall fixedly connected with a set of dead lever (9), rotating ring outer wall fixedly connected with four fixed plates (12), one side fixedly connected with elasticity chuck (3) of blade disc, the elastic chuck (3) is composed of a plurality of elastic plates with threads, the elastic chuck (3) is sleeved with a nut (2), and the internal threads of the nut (2) are matched with the external threads on the elastic plates forming the elastic chuck (3).

2. The machining tool for the volume key is characterized in that the tool shank (1) is in interference fit with the mounting hole (14).

3. The cutter for machining the volume key according to claim 2, wherein a plurality of installation table faces are arranged on the cutter head (4), the installation table faces are used for installing the blades (6), a positioning plate (7) is fixedly connected below the installation table faces, positioning holes (8) are formed in the blades (6) and the installation table faces, threads are arranged in the positioning holes (8), the blades (6) are fixedly connected to the installation table faces through screws, a plurality of chip guiding grooves (5) are formed in the cutter head (4), and the number of the chip guiding grooves (5) is consistent with that of the installation table faces.

4. A tool for machining volume keys according to claim 3, characterized in that the material of the blade (6) is high speed tool steel.

5. The processing cutter of volume key according to claim 4, characterized in that, the one end of handle of a knife (1) installation blade disc (4) is equipped with second spout (16), sliding connection has movable block (17) in second spout (16), the connected mode of dead lever (9) and rotating ring changes sliding connection into, fixedly connected with connecting rod (15) is located at the center of dead lever (9), the one end that dead lever (9) were kept away from in connecting rod (15) rotates with movable block (17) to be connected, movable block (17) articulates there are two stopper (18), stopper (18) rotate to be connected in handle of a knife (1).

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