CN209970190U

CN209970190U - Machining tool holder

Info

Publication number: CN209970190U
Application number: CN201920678058.XU
Authority: CN
Inventors: 曾华建
Original assignee: Shenzhen Mifei Technology Co ltd
Current assignee: Shenzhen Mifei Technology Co ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-01-21
Anticipated expiration: 2029-05-13

Abstract

The utility model relates to a machine tooling handle of a knife, including the first end that supplies the cutter installation, the second end of being connected with the main shaft. The cutter handle comprises a first shaft section, a second shaft section and a third shaft section which are coaxially connected in sequence from a first end to a second end along the axial direction; the diameter of the first shaft section is smaller than that of the second shaft section, and the diameter of the second shaft section is smaller than that of the third shaft section; the diameter of the second shaft section is less than 34mm, and the diameter of the third shaft section is 45 +/-0.05 mm. The handle of a knife second shaft section diameter is less than 34mm and the third shaft section diameter is 45mm, so that the cutter, the first shaft section and the second shaft section can be smoothly arranged in a hole of the supporting plate, the third shaft section is supported against the surface of the supporting plate, and after the handle of a knife is arranged on the supporting plate, the arrangement stability and the arrangement efficiency can be guaranteed.

Description

Machining tool holder

Technical Field

The utility model relates to a machining field, more specifically say, relate to a machining hilt.

Background

The tool holder is a tool, is a connecting piece of a main shaft of a common processing machine such as a six-shaft machine and a tool or other accessory tools, and has main shaft models with a plurality of specifications such as BT, SK, CAPTO, BBT, HSK and the like in the current main standard.

Some functional dimension of current sword handle do not match with general six quick-witted, when six main shafts of six quick-witted tool changing simultaneously, put the sword, get the sword process and be unsmooth, can be unstable with the tray of cutter when putting the sword, the main shaft of six quick-witted can appear colliding or press from both sides the problem that can not arrive when getting the sword from the tray, leads to the unable accurate, smooth and easy tool changing of general six quick-witted.

In addition, the existing knife handle is rusted after being used for a period of time or being placed for a period of time, slight normal use influences machining precision, production precision and stability are poor, serious direct scrapping is achieved, service life is shortened, and cost is wasted.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a modified machine tooling handle of a knife.

The utility model provides a technical scheme that its technical problem adopted is: providing a machining tool holder for connecting machining equipment and a tool, wherein the tool holder comprises a first end for mounting the tool and a second end connected with a main shaft of the machining equipment;

the cutter handle comprises a first shaft section, a second shaft section and a third shaft section which are coaxially connected in sequence from the first end to the second end along the axial direction;

the diameter of the first shaft section is smaller than the diameter of the second shaft section, and the diameter of the second shaft section is smaller than the diameter of the third shaft section;

the surface of the knife handle is electroplated to form a high-phosphorus coating.

Preferably, the diameter of the second shaft section is 33 ± 0.05 mm.

Preferably, the tool holder further comprises a fourth shaft section coaxially connected to the third shaft section, the fourth shaft section is located at one end of the third shaft section close to the second end, and the diameter of the fourth shaft section is larger than that of the third shaft section.

Preferably, the diameter of the second shaft section is less than 34mm and the diameter of the third shaft section is 45 ± 0.05 mm.

Preferably, the diameter of the second shaft section is 33 ± 0.05 mm.

Preferably, the total length of the third shaft section and the fourth shaft section is 45 +/-0.02 mm.

Preferably, the outer surface of the fourth shaft section is provided with a sealing groove along the circumference.

Preferably, the tool holder further comprises a fifth shaft segment coaxially connected to the fourth shaft segment, the fifth shaft segment being located at the second end of the fourth shaft segment near the tool holder;

the fifth shaft section is conical, and the diameter of the end part connected with the fourth shaft section is larger than the diameter of the end part of the fifth shaft section far away from the fourth shaft section;

the diameter of the end part of the fifth shaft section connected with the fourth shaft section is smaller than that of the fourth shaft section.

Preferably, the center of the tool holder is provided with a first mounting hole extending axially from the first end for inserting a tool bit of the tool, and the outer ring of the first shaft section is provided with threads for screwing a nut to lock the tool to the tool holder.

Preferably, the center of the tool holder is further provided with a second mounting hole extending axially from the second end for mounting a positioning head, so that the positioning head can be inserted into the spindle to be locked and positioned.

Implement the utility model discloses a machine tooling handle of a knife has following beneficial effect: the handle of a knife second shaft section diameter is less than the diameter of third shaft section, lets cutter, first shaft section, second shaft section can be very smooth and easy to the downthehole of layer board, and third shaft section supports with layer board surface and supports, places the layer board at the handle of a knife after, can guarantee the stationarity of placing and place efficiency.

Furthermore, the lengths of the third shaft section and the fourth shaft section can ensure that the six-shaft machining equipment can accurately change tools, so that the tool changing time is saved, and the production efficiency is improved; the surface of the hilt is subjected to high-phosphorus plating treatment, so that the antirust effect can be achieved, the production precision is ensured, the service life of the hilt is prolonged, and the purchase cost of the hilt is saved.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic view of a machining tool in an embodiment of the present invention when the machining tool is placed on a pallet;

FIG. 2 is a schematic cross-sectional view of the machining tool of FIG. 1 as it is being placed on a pallet;

fig. 3 is a cross-sectional schematic view of the handle of fig. 1.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the machining tool holder 2 according to a preferred embodiment of the present invention includes a first end a for mounting the tool 1 and a second end B connected to the spindle. Further, the tool holder 2 includes a first shaft section 21, a second shaft section 22, a third shaft section 23, a fourth shaft section 24, and a fifth shaft section 25, which are coaxially connected in order from the first end a to the second end B in the axial direction.

Preferably, the diameter of the first shaft section 21 is smaller than the diameter of the second shaft section 22, and the diameter of the second shaft section 22 is smaller than the diameter of the third shaft section 23; in addition, the diameter of the second shaft section 22 is less than 34mm, and the diameter of the third shaft section 23 is 45 +/-0.05 mm. In the present embodiment, the diameter of the second shaft section 22 is 33 ± 0.05 mm.

In actual processing, holes with the diameter of 34mm are formed in the supporting plate 3 of a common six-shaft tool magazine, the first end A of the tool holder 2 can clamp different tools 1 and is placed on the corresponding hole position of the supporting plate 3 according to clamping positions, the first end A of the tool holder 2 is inserted into the hole in the supporting plate 3, and the tools 1, the first shaft section 21 and the second shaft section 22 are inserted into the holes in the supporting plate 3. The diameter of the second shaft section 22 is designed to be smaller than 34mm, the diameter of the third shaft section 23 is designed to be 45mm, the cutter 1, the first shaft section 21 and the second shaft section 22 can smoothly reach the hole of the supporting plate 3, the third shaft section 23 abuts against and supports the surface of the supporting plate 3, and after the cutter handle 2 is placed on the supporting plate 3, the placing stability and the placing efficiency can be guaranteed.

The centre of the handle 2 is provided with a first mounting hole 26 extending axially from the first end a for insertion of a cutting head of the tool 1, and the outer ring of the first shaft section 21 is provided with a thread for screwing the nut 5 to lock the tool 1 to the handle 2.

The fourth shaft section 24 is located at one end of the third shaft section 23 close to the second end B, and the diameter of the fourth shaft section 24 is larger than that of the third shaft section 23, in this embodiment, the diameter of the fourth shaft section 24 is 46 mm. A sealing groove 241 is circumferentially formed on an outer surface of the fourth shaft segment 24, so that the sealing ring 27 is sleeved in the sealing groove 241.

The fifth shaft section 25 is located at one end, close to the second end B, of the fourth shaft section 24, the fifth shaft section 25 is conical, and the diameter of the end portion connected with the fourth shaft section 24 is larger than the diameter of the end portion, far away from the fourth shaft section 24, of the fifth shaft section 25.

Preferably, the total length of the third shaft section 23 and the fourth shaft section 24 is 45 ± 0.02mm, which can ensure that the height of the third shaft section 23 and the fourth shaft section 24 above the supporting plate 3 is 45mm after the knife holder 2 is placed on the supporting plate 3.

Since a general six-axis machine has six axes for simultaneous tool change, the distance between the main axis and the pallet 3 is fixed to 45mm when the tool is changed. If the total length of the third shaft section 23 and the fourth shaft section 24 is greater than 45mm, the tool changing can collide with the spindle, and if the total length of the third shaft section 23 and the fourth shaft section 24 is less than 45mm, the spindle cannot touch the tool holder 2. Thereby design third shaft segment 23, fourth shaft segment 24 total length and be this size of 45mm, guarantee that six machining equipment can accurate tool changing, save the tool changing time, promote production efficiency.

The total length of the third shaft section 23 and the fourth shaft section 24 is fixed to be 45mm, so that the tool changing of six shafts of a common six-shaft machine can be conveniently carried out at the same time. When the previous stroke of the cutter 1 is finished, the main shaft moves to the position of the corresponding clamping position of the supporting plate 3 according to a set program and is put back; and simultaneously, the cutter handle 2 is moved to the position right above the next cutter handle 2 along the X axis and the Y axis, when the Z axis of the six-axis machine is moved to the position 45mm right above the supporting plate 3, the fifth shaft section 25 of the cutter handle 2 can be just sleeved by the main shaft, the cutter handle 2 is clamped by the main shaft through hydraulic pressure, and the next cutter 1 is accurately switched.

The center of the handle 2 is further provided with a second mounting hole 28 extending axially from the second end B for mounting the positioning head 4, so that the positioning head 4 can be inserted into the spindle to be locked and positioned.

Preferably, the surface of the handle 2 is plated with a high-phosphorous plating layer. The surface of the hilt 2 is additionally subjected to high-phosphorus plating treatment, so that the antirust effect can be achieved, the production precision is ensured, the service life of the hilt 2 is prolonged, and the purchase cost of the hilt 2 is saved.

It is to be understood that the above-described respective technical features may be used in any combination without limitation.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A machining tool holder is used for connecting machining equipment and a tool and is characterized by comprising a first end for mounting the tool and a second end connected with a main shaft of the machining equipment;

2. A machine tool holder according to claim 1 wherein the second shaft section has a diameter of less than 34mm and the third shaft section has a diameter of 45 ± 0.05 mm.

3. A machining tool holder according to claim 1 wherein the diameter of the second shaft section is 33 ± 0.05 mm.

4. The machining tool holder of claim 1 further comprising a fourth shaft segment coaxially coupled to the third shaft segment, the fourth shaft segment being located at an end of the third shaft segment proximate the second end, the fourth shaft segment having a diameter greater than a diameter of the third shaft segment.

5. A machine tool holder according to claim 3, wherein the third and fourth shaft sections have a total length of 45 ± 0.02 mm.

6. The machine tool holder of claim 4 wherein the outer surface of the fourth shaft segment is circumferentially provided with a seal groove.

7. The machining tool holder of claim 4 further comprising a fifth shaft segment coaxially coupled to the fourth shaft segment, the fifth shaft segment being located at the fourth shaft segment proximate the second end of the tool holder;

8. A machine tool holder according to any one of claims 1 to 6 wherein the centre of the holder is provided with a first mounting hole extending axially from the first end for insertion of a tool bit of a tool, and the outer race of the first shaft section is provided with a screw thread for a nut to be screwed to lock the tool to the holder.

9. A machine tool holder according to any one of claims 1 to 6 wherein the centre of the tool holder is provided with a second mounting hole extending axially from the second end for mounting a locating head for locking in position by insertion of the locating head into the spindle.