CN212070407U

CN212070407U - Lathe tool rest with coolant passage

Info

Publication number: CN212070407U
Application number: CN202020092025.XU
Authority: CN
Inventors: 黄惠峰; 茅健; 许成良; 朱一峰
Original assignee: Chengxi Shipyard Co Ltd
Current assignee: Chengxi Shipyard Co Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-12-04
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a lathe tool rest with a cooling liquid channel, which comprises a tool rest body and a tool rest base, wherein the tool rest body comprises an upper fixed plate and a lower fixed plate, the upper fixed plate and the lower fixed plate are connected through a supporting shaft, and locking holes are uniformly distributed in the edge circle of the upper fixed plate; the utility model discloses a tool rest base, including knife rest base, support shaft, axial passageway, knife rest base surface have annular lug with the first ring channel that the bottom plate bottom set up is pegged graft, any side of knife rest base is equipped with a coolant liquid import, the coolant liquid import extends to in the knife rest base the lower extreme of back shaft, the coolant liquid import with the first interface connection of knife rest upper surface be equipped with the axial passageway in the back shaft, the axial passageway lower extreme is connected first interface, the coolant liquid export that the upper end of axial passageway connected the top plate side and set up. The cooling liquid channel is arranged in the tool rest, so that the tool rest and the tool can be cooled, waste of cooling liquid can be reduced, and cooling efficiency is improved.

Description

Lathe tool rest with coolant passage

Technical Field

The utility model relates to a lathe knife rest technical field, concretely relates to knife rest for lathe with coolant liquid passageway.

Background

The lathe tool rest is mainly used for processing the rotary surface of a part and comprises an excircle turning, a conical surface turning, a cutting groove, a straight hole, a stepped hole, an annular hole and the like of the part. The numerical control lathe mostly adopts a multi-angle cutter head which can be positioned, and generally has a plurality of cutter mounting positions. In order to cool the cutting tools during cutting, a coolant is injected into the cutting area, and in the prior art, the operation is usually performed by directly spraying a plurality of cutting tools through an external pipeline. However, the method of directly spraying and cooling by using an external pipeline has the disadvantages of poor cooling effect, energy waste, environmental pollution and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a simple structure, use convenient, can cool off knife rest and cutter, practice thrift the coolant liquid, improve cooling efficiency's knife rest.

In order to achieve the purpose, the technical scheme of the utility model is to design a lathe tool rest with a cooling liquid channel, which comprises a tool rest body and a tool rest base, wherein the tool rest body comprises an upper fixed plate and a lower fixed plate, the upper fixed plate and the lower fixed plate are connected through a support shaft, and locking holes are uniformly distributed in a circle at the edge of the upper fixed plate; the utility model discloses a tool rest base, including knife rest base, support shaft, axial passageway, knife rest base surface have annular lug with the first ring channel that the bottom plate bottom set up is pegged graft, any side of knife rest base is equipped with a coolant liquid import, the coolant liquid import extends to in the knife rest base the lower extreme of back shaft, the coolant liquid import with the first interface connection of knife rest upper surface be equipped with the axial passageway in the back shaft, the axial passageway lower extreme is connected first interface, the coolant liquid export that the upper end of axial passageway connected the top plate side and set up.

The cutter setting is in between upper fixed plate and the bottom plate, adopt the screw through setting up locking hole locking of the marginal round of upper fixed plate, during lathe cutting operation, the coolant liquid flows out from the coolant liquid export that the upper fixed plate side set up and spouts on the tool bit, and the cooling effect is good, and the coolant liquid high-usage.

Further preferred technical scheme is that the tool rest is a square tool rest.

In order to facilitate the connection of the first connection port with the lower end of the axial channel, a further preferable technical scheme is that an annular sealing ring is arranged around the first connection port.

The technical scheme of further priority still, the outer lane of annular seal ring with first interface inner circle threaded connection, annular seal ring upper surface is equipped with the second ring channel, be equipped with the rubber packing ring of adaptation in the second ring channel.

In order to meet the requirement of cooling of the cutters arranged on different side surfaces of the square tool rest, a further preferable technical scheme is that each side surface of the upper fixing plate is provided with a cooling liquid outlet, and an axial channel is arranged in the support shaft corresponding to the four cooling liquid outlets of the upper fixing plate.

In order to meet the requirement of cooling of the cutters arranged on different sides, the preferable technical scheme is that each side face of the upper fixing plate is provided with a cooling liquid outlet, the cooling liquid outlet extends to the inner edge of the upper fixing plate, the surface of the tool rest base is fixedly connected with a first sleeve and a second sleeve which are concentric, the outer diameter of the first sleeve is matched with the inner diameter of the tool rest body, a gap exists between the inner wall of the first sleeve and the outer wall of the second sleeve, a first connecting port arranged on the tool rest base corresponds to the gap between the first sleeve and the second sleeve, and a second connecting port is arranged at the position, corresponding to the cooling liquid outlet, of the upper end of the first sleeve.

In order to adapt to different cooling liquid flow requirements, a further preferable technical scheme is that the cooling liquid outlet is connected with a spray head in a threaded mode, and the end portion of the spray head is provided with a flow control valve.

The utility model has the advantages and the beneficial effects that: the lathe tool rest with the cooling liquid channel has simple structure, is convenient to use, can help the tool rest to cool through the cooling liquid channel arranged inside the tool rest, and meanwhile, the cooling liquid outlet arranged on the tool rest flows out to be directly sprayed on a cutter, so that the cutter can be helped to cool, and the cooling efficiency is high.

Drawings

Fig. 1 is a schematic perspective view of the tool holder body according to the present invention;

FIG. 2 is a schematic longitudinal sectional view of a tool holder body according to an embodiment of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the base of the tool holder of the present invention;

fig. 4 is a schematic cross-sectional view of an upper fixing plate connected with a first sleeve and a second sleeve according to a second embodiment of the present invention;

fig. 5 is a schematic longitudinal sectional view of a second embodiment of the present invention showing a tool holder body with a first sleeve and a second sleeve.

In the figure: 1. a tool holder body; 2. a tool holder base; 3. an upper fixing plate; 4. a lower fixing plate; 5. a support shaft; 6. a locking hole; 7. an annular projection; 8. a first annular groove; 9. a coolant inlet; 10. a first connection port; 11. an axial channel; 12. a coolant outlet; 13. a first sleeve; 14. a second sleeve; 15. a second connection port.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example one

As shown in fig. 1 to 3, the utility model relates to a lathe tool rest with coolant channel, which comprises a tool rest body 1 and a tool rest base 2, wherein the tool rest body 1 is a square tool rest, the tool rest body 1 comprises an upper fixing plate 3 and a lower fixing plate 4, the upper fixing plate 3 is connected with the lower fixing plate 4 through a supporting shaft 5, and locking holes 6 are uniformly distributed in the edge circle of the upper fixing plate 3; the surface of the tool rest base 2 is provided with an annular bump 7, a first annular groove 8 arranged at the bottom of the lower fixing plate 4 is inserted, a cooling liquid inlet 9 is arranged on any side surface of the tool rest base 2, the cooling liquid inlet 9 extends to the lower end of the support shaft 5 in the tool rest base, the cooling liquid inlet 9 is connected with a first connecting port 10 on the upper surface of the tool rest base 2, an axial channel 11 is arranged in the support shaft 5, the lower end of the axial channel 11 is connected with the first connecting port 10, each side surface of the upper fixing plate 3 is respectively provided with a cooling liquid outlet 12, and an axial channel 11 is respectively arranged in the support shaft 5 corresponding to four cooling liquid outlet positions of the upper fixing plate 3; the rotary tool rest body 1 connects the lower end of the axial channel 11 corresponding to the working tool to the first connection port 10.

The cutter sets up between upper fixed plate and bottom plate, adopts the screw to be in through setting up the locking hole locking of the marginal round of upper fixed plate, during lathe cutting operation, the coolant liquid flows out from the coolant liquid outlet of upper fixed plate and spouts on the cutter, and the cooling effect is good, and the coolant liquid high-usage.

Example two

As shown in fig. 4 to 5, the difference from the first embodiment is that each side surface of the upper fixing plate 3 is provided with one cooling liquid outlet 12, the cooling liquid outlet 12 extends to the inner edge of the upper fixing plate, a first sleeve 13 and a second sleeve 14 which are concentric are fixedly connected to the surface of the tool holder base 2, the outer diameter of the first sleeve 13 is adapted to the inner diameter of the tool holder body 1, a gap exists between the inner wall 13 of the first sleeve and the outer wall of the second sleeve 14, the first connection port 10 on the tool holder base 2 is arranged at a position corresponding to the gap between the first sleeve 13 and the second sleeve 14, and the upper end of the first sleeve 13 is provided with a second connection port 15 at a position corresponding to the cooling liquid outlet 12.

During operation, the cutter rest body is rotated to enable the second connecting port to be connected with the corresponding cooling liquid outlet, the cooling liquid enters from the cooling liquid inlet, flows into the second connecting port of the first sleeve through the gap between the first sleeve and the second sleeve, and finally flows out from the cooling liquid outlet to be sprayed on the cutter.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The tool rest with the cooling liquid channel for the lathe is characterized by comprising a tool rest body and a tool rest base, wherein the tool rest body comprises an upper fixing plate and a lower fixing plate, the upper fixing plate and the lower fixing plate are connected through a supporting shaft, and locking holes are uniformly distributed in a circle on the edge of the upper fixing plate; the utility model discloses a tool rest base, including knife rest base, support shaft, axial passageway, knife rest base surface have annular lug with the first ring channel that the bottom plate bottom set up is pegged graft, any side of knife rest base is equipped with a coolant liquid import, the coolant liquid import extends to in the knife rest base the lower extreme of back shaft, the coolant liquid import with the first interface connection of knife rest upper surface be equipped with the axial passageway in the back shaft, the axial passageway lower extreme is connected first interface, the coolant liquid export that the upper end of axial passageway connected the top plate side and set up.

2. The tool holder for a lathe having a coolant passage as set forth in claim 1, wherein the tool holder body is a square tool holder.

3. The tool holder for a lathe having a coolant passage according to claim 2, wherein an annular seal ring is provided around the first connection port.

4. The tool holder for a lathe having a coolant passage according to claim 3, wherein the outer ring of the annular seal ring is screwed to the inner ring of the first port, a second annular groove is provided on an upper surface of the annular seal ring, and a fitted rubber gasket is provided in the second annular groove.

5. The tool post for a lathe having a coolant passage as set forth in claim 4, wherein a coolant outlet is provided at each side of the upper fixing plate, and an axial passage is provided in the support shaft at positions corresponding to the four coolant outlets of the upper fixing plate.

6. The tool post for a lathe having a coolant passage as set forth in claim 4, wherein the coolant outlet is formed at each side of the upper fixing plate, the coolant outlet extends to an inner edge of the upper fixing plate, a first sleeve and a second sleeve are concentrically fixed to the surface of the tool post base, an outer diameter of the first sleeve is adapted to an inner diameter of the tool post body, a gap is formed between an inner wall of the first sleeve and an outer wall of the second sleeve, the first connecting port formed in the tool post base is formed at a position corresponding to the gap between the first sleeve and the second sleeve, and the second connecting port is formed at an upper end of the first sleeve at a position corresponding to the coolant outlet.

7. The tool post for a lathe having a coolant passage according to claim 5 or 6, wherein a nozzle is screwed to the coolant outlet, and a flow control valve is provided at an end of the nozzle.