Numerical control drilling machining device

Abstract

The utility model belongs to the field of numerical control machining, and particularly relates to a numerical control drilling machining device which comprises a drilling device and a cooling device. The drilling device is used for drilling holes in the parts and comprises a driving part and a cutter; the driving part is used for driving the cutter to rotate; a heat-conducting layer is arranged on the cutter; the cooling device is used for spraying cooling liquid and is arranged beside the drilling device; the cooling device comprises a nozzle; one end of the nozzle is communicated with a pump body, and the other end of the nozzle is provided with a plurality of liquid dispersing holes; during use, the pump body drives the cooling liquid to enter the spray head and then penetrate through the liquid dispersing holes to be sprayed to the cutter, so that a large amount of heat generated in the cutter rotating process is taken away, the cutter is prevented from cracking due to shock heating, the service life of the cutter is prolonged, the influence of cutter cracking on the drilling quality is reduced, and the part machining yield is increased.

Description

Technical Field

[0001] The utility model belongs to the field of numerical control processing, and in particular relates to a numerical control drilling processing device. Background Art

[0002] CNC lathe is a kind of processing equipment used for precision processing of various parts. When using CNC lathe, tools are often used to drill holes in parts. When drilling, the tool will rotate at high speed and generate a lot of heat. When the tool is suddenly heated, it is easy to crack, which will affect the drilling quality and reduce the processing accuracy of parts.

[0003] Chinese utility model patent CN219746451U discloses a high-strength CNC tool, including a CNC tool, a reinforcement component and a heat-conducting component. The CNC tool includes a tool head and a tool handle at the front and rear ends, and the reinforcement component includes a reinforcement column welded and fixed at the front end of the tool handle. The hollow cavity between the tool handle and the reinforcement column is filled with coolant, which can absorb the heat generated by the friction of the tool head at the front end of the tool handle, and then cooperate with the heat conduction of the coolant by the heat-conducting sleeve outside the tool handle, so that when the CNC tool is cooled by water flow, the inner and outer ends of the tool can be cooled synchronously to improve its heat dissipation effect.

[0004] However, CNC tools need to use their own high hardness to achieve drilling and grinding of parts. Setting them as hollow structures will reduce the thickness of CNC tools and thus affect their durability. In response to this technical problem, it is urgent to invent a structure that can effectively take away the large amount of heat generated by CNC tools when drilling, so as to reduce the high temperature formed when CNC tools rotate at high speed, so as to prevent local heat from forming cracks, thereby affecting the drilling quality and reducing the yield rate. Utility Model Content

[0005] The purpose of the utility model is to provide a CNC drilling processing device, aiming to solve the technical problem in the prior art that "a large amount of heat is generated when the CNC tool is drilling, which makes the CNC tool prone to cracking due to sudden heating, thereby affecting the drilling quality and reducing the processing yield of parts".

[0006] To achieve the above-mentioned purpose, an embodiment of the utility model provides a CNC drilling processing device, including a drilling device and a cooling device; the drilling device is used to drill holes for parts, and the drilling device includes a driving member and a tool; the driving member is used to drive the tool to rotate, and the tool is provided with a heat-conducting layer; the cooling device is used to spray coolant, and the cooling device is arranged beside the drilling device; the cooling device includes a nozzle; one end of the nozzle is connected to a pump body, and the other end of the nozzle is provided with a plurality of liquid dispersion holes; when in use, the pump body drives the coolant to enter the nozzle and then pass through the plurality of liquid dispersion holes to be sprayed onto the tool.

[0007] Optionally, the spray head includes a liquid dispersion part and a connecting part which are connected to each other; the liquid dispersion hole is arranged on the liquid dispersion part, and the connecting part is connected to the pump body.

[0008] Optionally, a plurality of liquid dispersion holes are evenly distributed on one side of the liquid dispersion member.

[0009] Optionally, a first liquid guiding channel is provided in the liquid dispersion part, and the two sides of the liquid dispersion hole are respectively connected to the outside of the liquid dispersion part and the first liquid guiding channel; a second liquid guiding channel is provided in the connecting part, and the two sides of the second liquid guiding channel are respectively connected to the first liquid guiding channel and the pump body; the coolant passes through the second liquid guiding channel, the first liquid guiding channel, and the liquid dispersion hole in sequence and then is sprayed onto the tool.

[0010] Optionally, a connection end is provided at one end of the bulk component, and an outer wall of the connection end is provided with an external thread; a connection hole is provided at one end of the connector, and an inner wall of the connection hole is provided with an internal thread adapted to the external thread, and the connection end is threadedly connected to the connection hole.

[0011] Optionally, a waterproof ring is sandwiched between the connecting end and the connecting hole.

[0012] Optionally, a limit platform is provided in the connection hole, and a waterproof ring is provided between the end of the connection end and the limit platform.

[0013] Optionally, the tool comprises a tool head and a tool handle which are connected to each other; and the liquid spraying angle of the dispersion member corresponds to the tool head.

[0014] Optionally, the cutter head is provided with at least two mutually staggered spiral blades, and the spiral blades are used for drilling parts.

[0015] Optionally, a guide channel is recessed between two adjacent spiral blades, and the guide channel is used to guide the discharge of drilling waste; and the heat conductive layer is arranged on the outer side of the guide channel.

[0016] Compared with the prior art, the above one or more technical solutions in the CNC drilling processing device provided by the embodiment of the utility model have at least one of the following technical effects:

[0017] The tool is provided with a heat-conducting layer for accelerating heat transfer. At the same time, the cooling device can take away a large amount of heat generated during the rotation of the tool through the sprayed coolant to prevent the tool from cracking due to sudden heating, thereby increasing the service life of the tool, reducing the impact of tool cracking on the drilling quality, and improving the processing yield rate of parts; the coolant is sprayed through a number of diffusion holes, which can expand the spraying range of the coolant to increase the contact area between the coolant and the tool, accelerate cooling, and reduce the amount of coolant sprayed, thereby improving the use efficiency of the coolant and reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 for Figure 1 Enlarged schematic diagram of circle A in the middle.

[0021] Figure 3 A schematic cross-sectional view of the nozzle.

[0022] Figure 4 for Figure 3 Enlarged schematic diagram of circle B in the middle.

[0023] Figure 5 This is a schematic diagram of the tool structure.

[0024] Among them, the reference numerals in the figure are:

[0025] Drilling device 1, cooling device 2,

[0026] The tool 10, the tool handle 11, the tool head 12, the spiral blade 121, the guide channel 122, the heat conducting layer 123,

[0027] The nozzle 20 , the connecting member 21 , the second liquid guiding channel 211 , the liquid dispersing member 22 , the first liquid guiding channel 221 , the liquid dispersing hole 222 , the connecting end 223 a , the connecting hole 223 b , the external thread 224 a , the internal thread 224 b , the limiting platform 225 , and the waterproof ring 23 . DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0029] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0031] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0032] In one embodiment of the present invention, a numerical control drilling device is provided, referring to Figure 1-Figure 5 , including a drilling device 1 and a cooling device 2; the drilling device 1 is used to drill holes for hardware parts, CNC parts and other parts, and the drilling device 1 includes a driving member and a tool 10; the driving member is used to drive the tool 10 to rotate, and the tool 10 is provided with a heat-conducting layer 123 for accelerating heat transfer, and the heat-conducting layer 123 is a heat-conducting sheet or a heat-conducting coating; the cooling device 2 is used to spray coolant, and the cooling device 2 is arranged on the side of the drilling device 1 so that the sprayed coolant contacts the tool 10 to take away the heat generated when the tool 10 rotates; the cooling device 2 includes a nozzle 20, one end of the nozzle 20 is connected to a pump body, and the other end of the nozzle 20 is provided with a plurality of liquid dispersion holes 222; when in use, the pump body drives the coolant to enter the nozzle 20 and then pass through the plurality of liquid dispersion holes 222 to be sprayed onto the tool 10.

[0033] Compared with the prior art, the above one or more technical solutions in the CNC drilling processing device provided by the embodiment of the utility model have at least one of the following technical effects:

[0034] The tool 10 is provided with a heat-conducting layer 123 for accelerating heat transfer. At the same time, the cooling device 2 can take away a large amount of heat generated during the rotation of the tool 10 through the sprayed coolant to prevent the tool 10 from being cracked due to sudden heating, thereby increasing the service life of the tool 10, reducing the impact of the cracking of the tool 10 on the drilling quality, and improving the processing yield rate of parts; the coolant is sprayed through a plurality of dispersion holes 222, which can expand the spraying range of the coolant to increase the contact area between the coolant and the tool 10, accelerate cooling, and reduce the spraying amount of the coolant, improve the use efficiency of the coolant, and reduce energy consumption.

[0035] refer to Figure 3 The nozzle 20 includes a liquid dispersion part 22 and a connecting part 21 which are connected to each other, the liquid dispersion hole 222 is provided on the liquid dispersion part 22, and the connecting part 21 is connected to the pump body.

[0036] refer to Figure 2 A plurality of dispersion holes 222 are evenly distributed on one side of the dispersion member 22 so that the sprayed coolant is evenly distributed, thereby increasing the effective contact area between the coolant and the tool 10 and improving the use efficiency of the coolant.

[0037] refer to Figure 3 A first liquid guiding channel 221 is provided in the liquid dispersing member 22, one side of the liquid dispersing hole 222 is communicated with the outer side of the liquid dispersing member 22, and the other side of the liquid dispersing hole 222 is communicated with the first liquid guiding channel 221; a second liquid guiding channel 211 is provided in the connecting member 21, one side of the second liquid guiding channel 211 is communicated with the first liquid guiding channel 221, and the other side of the second liquid guiding channel 211 is communicated with the pump body; driven by the pump body, the coolant flows into the first liquid guiding channel 221 through the second liquid guiding channel 211, and then passes through the liquid dispersing hole 222 from the first liquid guiding channel 221 and is sprayed onto the tool 10.

[0038] refer to Figure 3 One end of the bulk component 22 is provided with a connecting end 223a, and the outer side wall of the connecting end 223a is provided with an external thread 224a; one end of the connecting member 21 is provided with a connecting hole 223b, and the inner side wall of the connecting hole 223b is provided with an internal thread 224b adapted to the external thread 224a, and the connecting end 223a is threadedly connected with the connecting hole 223b, so that the bulk component 22 and the connecting member 21 can be detachably threadedly connected, so as to facilitate the replacement and maintenance of the bulk component 22.

[0039] refer to Figure 3 A bend angle α is formed between the connecting end 223 a and an end of the liquid dispersion member 22 away from the connecting end 223 a . The bend angle α makes the liquid dispersion hole 222 close to the tool 10 , so as to spray the coolant onto the tool 10 .

[0040] refer to Figure 4A waterproof ring 23 is sandwiched between the connecting end 223a and the connecting hole 223b. The waterproof ring 23 is used to reduce the gap between the dispersing member 22 and the connecting member 21 so that the dispersing member 22 and the connecting member 21 are tightly connected to prevent the coolant from leaking from the connection between the two.

[0041] In one embodiment of the present invention, a limiting platform 225 is provided in the connection hole 223 b , and the limiting platform 225 is used to abut against the liquid dispersion component 22 to limit the liquid dispersion component 22 ; the waterproof ring 23 is provided between the end of the connection end 223 a and the limiting platform 225 .

[0042] In another embodiment of the present invention, the waterproof ring 23 may also be disposed between the end of the connecting member 21 and the outer side wall of the liquid dispersing member 22 .

[0043] refer to Figure 5 The tool 10 includes a tool head 12 and a tool handle 11 connected to each other; the tool head 12 is used to contact with the component and then drill a hole for the component, and the spray angle of the dispersion part 22 corresponds to the tool head 12 so that the sprayed coolant can contact the tool head 12.

[0044] refer to Figure 5 The cutter head 12 is provided with at least two interlaced spiral blades 121, which are used for drilling parts. The left and right ends of the spiral blades 121 extend to the left and right ends of the cutter head 12 respectively, so that the cutter head 12 can drill more smoothly.

[0045] refer to Figure 5 A guide channel 122 is recessed between two adjacent spiral blades 121, and the guide channel 122 is used to guide the drilling waste to the side of the hole to reduce the interference of the drilling waste to the subsequent process; the heat conductive layer 123 is arranged on the outer side of the guide channel 122, so that the heat conductive layer 123 can disperse the heat generated when the cutter head 12 is drilling along the direction of the guide channel 122. At the same time, the heat conductive layer 123 is arranged on the guide channel 122, which can reduce the influence of the heat conductive layer 123 on the drilling process of the spiral blade 121.

[0046] The rest of this embodiment is the same as the first embodiment. The features not explained in this embodiment are all based on the explanations in the first embodiment and will not be described in detail here.

[0047] The above content is a further detailed description of the utility model in combination with specific preferred implementation methods, and it cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, its architecture can be flexible and can derive a series of products. Just making a few simple deductions or substitutions should be regarded as belonging to the patent protection scope of the utility model determined by the submitted claims.

Claims

1. A CNC drilling device, characterized in that: The invention comprises a drilling device (1) and a cooling device (2); the drilling device (1) is used for drilling holes for parts, and the drilling device (1) comprises a driving member and a tool (10); the driving member is used for driving the tool (10) to rotate, and the tool (10) is provided with a heat-conducting layer (123); the cooling device (2) is used for spraying cooling liquid, and the cooling device (2) is arranged beside the drilling device (1); the cooling device (2) comprises a nozzle (20); one end of the nozzle (20) is connected to a pump body, and the other end of the nozzle (20) is provided with a plurality of liquid dispersion holes (222); when in use, the pump body drives the cooling liquid to enter the nozzle (20) and then pass through the plurality of liquid dispersion holes (222) to be sprayed onto the tool (10).

2. The CNC drilling device according to claim 1, characterized in that: The spray head (20) comprises a liquid dispersion part (22) and a connecting part (21) which are connected to each other; the liquid dispersion hole (222) is arranged on the liquid dispersion part (22), and the connecting part (21) is connected to the pump body.

3. The CNC drilling device according to claim 2, characterized in that: A plurality of the liquid dispersion holes (222) are evenly distributed on one side of the liquid dispersion member (22).

4. The CNC drilling device according to claim 2, characterized in that: The liquid dispersion member (22) is provided with a first liquid guide channel (221), and the two sides of the liquid dispersion hole (222) are respectively connected to the outside of the liquid dispersion member (22) and the first liquid guide channel (221); the connecting member (21) is provided with a second liquid guide channel (211), and the two sides of the second liquid guide channel (211) are respectively connected to the first liquid guide channel (221) and the pump body; the coolant passes through the second liquid guide channel (211), the first liquid guide channel (221), and the liquid dispersion hole (222) in sequence and then is sprayed onto the tool (10).

5. The CNC drilling device according to claim 2, characterized in that: One end of the dispersion member (22) is provided with a connection end (223a), and the outer side wall of the connection end (223a) is provided with an external thread (224a); one end of the connection member (21) is provided with a connection hole (223b), and the inner side wall of the connection hole (223b) is provided with an internal thread (224b) adapted to the external thread (224a), and the connection end (223a) is threadedly connected to the connection hole (223b).

6. The CNC drilling device according to claim 5, characterized in that: A folded angle is formed between the connection end (223a) and an end of the liquid dispersion member (22) away from the connection end (223a), and the folded angle enables the liquid dispersion hole (222) to be close to the direction of the tool (10).

7. The CNC drilling device according to claim 5, characterized in that: A waterproof ring (23) is sandwiched between the connecting end (223a) and the connecting hole (223b).

8. The CNC drilling device according to claim 2, characterized in that: The tool (10) comprises a tool head (12) and a tool handle (11) which are connected to each other; the liquid spraying angle of the liquid dispersion member (22) corresponds to that of the tool head (12).

9. The CNC drilling device according to claim 8, characterized in that: The cutter head (12) is provided with at least two mutually staggered spiral blades (121), and the spiral blades (121) are used for drilling the component.

10. The CNC drilling device according to claim 9, characterized in that: A guide channel (122) is recessed between two adjacent spiral blades (121), and the guide channel (122) is used to guide the discharge of drilling waste; the heat conductive layer (123) is arranged on the outer side of the guide channel (122).

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