Inner-cooling forming milling cutter with fine adjustment function

Abstract

The utility model discloses an internal-cooling forming milling cutter with a fine adjustment function, which belongs to the technical field of internal-cooling forming milling cutters and comprises a handle and a cutter body, the cutter body is arranged in an inner cavity of the handle, a fine adjustment component is arranged between the cutter body and the handle, an internal-cooling channel is arranged in the handle and the cutter body, and the fine adjustment component is arranged in the internal-cooling channel. A cooling liquid flow adjusting assembly is arranged in an inner cavity of the inner cooling channel, the size of the cutter body can be adjusted through mutual cooperation of an electric push rod, a first telescopic rod, an adjusting groove and a circular plate, the position of the cutter body can be rapidly adjusted according to different machining requirements, it is ensured that contact between the cutter body and a workpiece is more accurate, and therefore the cutting quality and efficiency are improved; and meanwhile, it is ensured that cooling liquid in the inner cooling channel is not affected through the telescopic pipe, the connectivity of the cooling liquid channel during fine adjustment of the cutter body is ensured, air is input into the air bag through the air outlet pipe through the air pump, the air bag is expanded and enlarged, the gap between the air bag and the inner cooling channel is shortened, and the amount of cooling liquid flowing through the air bag is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of internally cooled forming milling cutters, and more specifically, to an internally cooled forming milling cutter with a fine-tuning function. Background Technique

[0002] A milling cutter is a rotating cutter body with one or more cutting teeth for milling operations, and the styles of milling cutters are cumbersome. For different milling operations, the styles and structures of milling cutters are different. Among them, internally cooled forming milling cutters are widely used because of the function of cooling during milling through the internal coolant channels.

[0003] Chinese Patent Grant Publication No.: CN218799402U provides a double-headed internally cooled thread milling cutter. Through the setting of a protection mechanism, the threaded inner hole cutter head can be slidably wrapped and protected on the outside. During the installation and use of this double-headed internally cooled thread milling cutter, a positioning and locking mechanism is used to contact and clamp with the milling machine cutter body clamping component, effectively avoiding direct clamping contact with the unused end of the threaded inner hole cutter head, thereby avoiding the situation of deformation and reducing the dimensional error problem of the threaded inner hole cutter head during the thread milling operation after clamping.

[0004] In the existing technology, since the size of the cutter body is a fixed value, it is impossible to adjust the height of the cutter body and the cutting tool according to actual needs, resulting in poor cutting effects. Moreover, the coolant flow rate in the internal cooling channel is a fixed value, and if the flow rate is too large, it is easy to waste resources and reduce the chip removal efficiency. Therefore, an internally cooled forming milling cutter with a fine-tuning function is proposed now. Content of the Utility Model

[0005] 1. Technical Problems to be Solved

[0006] Aiming at the problems existing in the prior art, the purpose of the present utility model is to provide an internally cooled forming milling cutter with a fine-tuning function. It can adjust the size of the cutter body through the mutual cooperation of an electric push rod, a first telescopic rod, an adjustment groove and a circular plate, so as to quickly adjust the position of the cutter body according to different processing requirements, ensure more accurate contact between the cutter body and the workpiece, and thus improve the cutting quality and efficiency.

[0007] 2. Technical Solutions

[0008] To solve the above problems, the present utility model adopts the following technical solutions.

[0009] An internally cooled forming milling cutter with fine-tuning function, comprising a handle and a cutter body. The inner cavity of the handle is provided with the cutter body, and a fine-tuning component is arranged between the cutter body and the handle. Inner cooling channels are opened inside the handle and the cutter body, and a coolant flow regulating component is arranged in the inner cavity of the inner cooling channels; the fine-tuning component includes an adjusting groove opened inside the handle, the inner wall of the adjusting groove is fixedly connected with an electric push rod, the output shaft end of the electric push rod is fixedly connected with a circular plate, and the lower surface of the circular plate is fixedly connected with the cutter body.

[0010] Further, the coolant flow regulating component includes a groove opened in the inner cavity of the handle, an air pump is fixedly connected in the inner cavity of the groove, one end of the air pump is fixedly connected with an air outlet pipe, one end of the air outlet pipe penetrates into the inner cooling channel and is connected with an airbag, and the airbag is embedded in the inner cavity of the inner cooling channel.

[0011] Further, the lower surface of the circular plate is fixedly connected with a first telescopic rod, and the other end of the first telescopic rod is connected with one end of the cutter body.

[0012] Further, the outer surface of the circular plate is slidably connected with the inner wall of the adjusting groove, and a plurality of cutting blades are arranged on the outer surface of the cutter body.

[0013] Further, a plurality of water outlet holes are opened between the outer surfaces of the cutter body and the inner cooling channel.

[0014] Further, a telescopic tube is fixedly connected to the inner cavity of the inner cooling channel penetrating between the adjusting groove and the cutter body.

[0015] Further, a wear-resistant layer is fixedly connected to the outer surface of the airbag, and the wear-resistant layer is made of wear-resistant coating ceramics or polymer coatings.

[0016] Further, a plurality of second telescopic rods are annularly arranged in the inner cavity of the airbag, and elastic balls are fixedly connected between the second telescopic rods.

[0017] Further, a connecting plate is fixedly connected to the upper surface of the handle, and a fixing rod is fixedly connected to the bottom of the connecting plate.

[0018] Further, one end of the fixing rod is fixedly connected to the outer surface of the airbag.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the advantages of the present utility model are as follows:

[0021] (1) Through the mutual cooperation of the electric push rod, the first telescopic rod, the adjustment groove and the circular plate, the size of the tool body can be adjusted, so as to quickly adjust the position of the tool body according to different processing requirements, ensure more accurate contact between the tool body and the workpiece, thereby improving the cutting quality and efficiency. At the same time, through the telescopic pipe, it is ensured that the coolant in the internal cooling channel will not be affected, and the connectivity of the coolant channel is guaranteed during the fine adjustment of the tool body.

[0022] (2) The air pump inputs gas into the airbag through the air outlet pipe, causing the airbag to expand and become larger, shortening the gap between the airbag and the internal cooling channel, reducing the amount of coolant flowing through it. On the contrary, the airbag shrinks, thereby increasing the gap between the airbag and the internal cooling channel and increasing the coolant flow rate, so as to adjust the coolant flow rate according to actual needs, avoid coolant waste, and ensure the cooling effect during the processing process.

[0023] (3) The wear-resistant layer ensures that the airbag is not worn, avoiding damage caused by the long-term flow of coolant to it. At the same time, through the second telescopic rod and the elastic ball, it is ensured that the airbag can deform uniformly when pressed, preventing local damage, and reducing the problem of overheating of the tool body caused by insufficient cooling, improving the tool body life and processing quality. The connecting plate and the fixing rod can support the airbag to ensure its stable position. Description of the Drawings

[0024] Figure 1 is the overall structural schematic diagram of the present invention;

[0025] Figure 2 is the partial structural cross-sectional view of the whole of the present invention;

[0026] Figure 3 is the present invention Figure 2 the enlarged structural view of part A in;

[0027] Figure 4 is the present invention Figure 2 the enlarged structural view of part B in;

[0028] Figure 5 is the partial structural split view of the whole of the present invention.

[0029] Explanation of the reference numerals in the drawings:

[0030] 1. Handle; 101. Tool body; 102. Internal cooling channel;

[0031] 2. Fine adjustment component; 201. Adjustment groove; 202. Electric push rod; 203. Circular plate; 204. First telescopic rod; 205. Cutting tool;

[0032] 3. Coolant flow rate adjustment assembly; 301. Groove; 302. Air pump; 303. Outlet pipe; 304. Airbag; 305. Wear-resistant layer; 306. Second telescopic rod; 307. Elastic ball; 308. Connecting plate; 309. Fixed rod; 310. Water outlet hole; 311. Telescopic tube. Detailed implementation mode

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Embodiment 1:

[0035] Please refer to Figures 1-5 , an internally cooled forming milling cutter with a fine adjustment function, including a handle 1 and a cutter body 101. The inner cavity of the handle 1 is provided with the cutter body 101, and a fine adjustment assembly 2 is arranged between the cutter body 101 and the handle 1.

[0036] Specifically, the fine adjustment assembly 2 includes an adjustment groove 201 opened inside the handle 1. The inner wall of the adjustment groove 201 is fixedly connected with an electric push rod 202. The output shaft end of the electric push rod 202 is fixedly connected with a circular plate 203. The lower surface of the circular plate 203 is fixedly connected with the cutter body 101. The lower surface of the circular plate 203 is fixedly connected with a first telescopic rod 204. The other end of the first telescopic rod 204 is connected to one end of the cutter body 101. The outer surface of the circular plate 203 is slidably connected with the inner wall of the adjustment groove 201. The outer surface of the cutter body 101 is provided with a plurality of cutting blades 205.

[0037] Furthermore, start the electric push rod 202 to drive the circular plate 203 to move along the track of the adjustment groove 201. When the circular plate 203 moves, the cutter body 101 will move downward, so that the position of the cutter body 101 can be adjusted to achieve the effect of fine adjustment, avoiding poor cutting effect caused by the inability to adjust the height of the cutter body 101 and the cutting blades 205 according to actual needs. At the same time, when the circular plate 203 moves, it will drive the first telescopic rod 204 to move, so as to ensure the stability of the cutter body 101 when it moves, and thus the position of the cutter body 101 can be quickly adjusted according to different processing requirements.

[0038] Embodiment 2:

[0039] Please refer to Figures 1-5 , which is the second embodiment of the present invention. This embodiment is based on the previous embodiment. The inner cooling channels 102 are opened inside the handle 1 and the cutter body 101, and a coolant flow rate adjustment assembly 3 is arranged in the inner cavity of the inner cooling channels 102.

[0040] Specifically, the coolant flow regulating assembly 3 includes a groove 301 formed in the inner cavity of the handle 1. A gas pump 302 is fixedly connected to the inner cavity of the groove 301. One end of the gas pump 302 is fixedly connected to an air outlet pipe 303. One end of the air outlet pipe 303 penetrates into the internal cooling channel 102 and is connected to an airbag 304. The airbag 304 is embedded in the inner cavity of the internal cooling channel 102. A telescopic pipe 311 is fixedly connected to the inner cavity of the internal cooling channel 102 that penetrates between the adjustment groove 201 and the tool body 101. A plurality of second telescopic rods 306 are annularly arranged in the inner cavity of the airbag 304. An elastic ball 307 is fixedly connected between the second telescopic rods 306. A connecting plate 308 is fixedly connected to the upper surface of the handle 1. A fixing rod 309 is fixedly connected to the bottom of the connecting plate 308. One end of the fixing rod 309 is fixedly connected to the outer surface of the airbag 304.

[0041] Further, the gas generated by starting the gas pump 302 enters the airbag 304 through the air outlet pipe 303, causing the airbag 304 to expand and become larger, thereby shortening the gap between the airbag 304 and the internal cooling channel 102 and reducing the amount of coolant flowing through it. Conversely, some gas in the inner cavity of the airbag 304 can be pumped out through the air outlet pipe 303 by the gas pump 302, causing the airbag 304 to contract, thereby increasing the gap between the airbag 304 and the internal cooling channel 102 and increasing the coolant flow rate. Thus, the coolant flow rate can be adjusted according to actual needs. The wear-resistant layer 305 can ensure that the airbag 304 is not worn. The second telescopic rods 306 and the elastic ball 307 ensure that the airbag 304 can deform uniformly when pressed, prevent local damage, and reduce the problem of overheating of the tool body 101 caused by insufficient cooling. The connecting plate 308 and the fixing rod 309 can support the airbag 304.

[0042] The working principle of the present utility model is as follows: When in use, the electric push rod 202 is started to drive the circular plate 203 to move along the track of the adjustment groove 201. When the circular plate 203 moves, the tool body 101 will move downward, so that the position of the tool body 101 can be adjusted to achieve a fine-tuning effect, avoiding poor cutting effect caused by the inability to adjust the heights of the tool body 101 and the cutting tool 205 according to actual needs. At the same time, when the circular plate 203 moves, it will drive the first telescopic rod 204 to move, so as to ensure the stability of the tool body 101 during movement. Thus, the position of the tool body 101 can be quickly adjusted according to different processing requirements to ensure more accurate contact between the tool body 101 and the workpiece. At the same time, when the tool body 101 moves, it will drive the telescopic tube 311 to stretch, ensuring that the coolant in the internal cooling channel 102 is not affected, so as to ensure the connectivity of the coolant channel during the fine-tuning of the tool body 101; Subsequently, the coolant enters the internal cooling channel 102. When the required flow rate is small at this time, the gas generated by starting the air pump 302 enters the airbag 304 through the air outlet pipe 303, causing the airbag 304 to expand and become larger, thereby shortening the gap between the airbag 304 and the internal cooling channel 102 and reducing the amount of coolant flowing through it. On the contrary, some gas in the inner cavity of the airbag 304 can be pumped out through the air outlet pipe 303 by the air pump 302, causing the airbag 304 to contract, thereby increasing the gap between the airbag 304 and the internal cooling channel 102 and increasing the coolant flow rate. Thus, the coolant flow rate can be adjusted according to actual needs. At the same time, the wear-resistant layer 305 can ensure that the airbag 304 is not worn. The second telescopic rod 306 and the elastic ball 307 ensure that the airbag 304 can deform uniformly when pressed, prevent local damage, and reduce the overheating problem of the tool body 101 caused by insufficient cooling. The connecting plate 308 and the fixing rod 309 can play a supporting role for the airbag 304.

[0043] The above is only the preferred specific embodiment of the present utility model; however, the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its improved concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. An internal cold forming milling cutter with a fine-tuning function, comprising a handle (1) and a cutter body (101), wherein the inner cavity of the handle (1) is provided with the cutter body (101), characterized in that: A fine adjustment component (2) is provided between the blade body (101) and the handle (1); an inner cooling channel (102) is provided inside the handle (1) and the blade body (101); and a coolant flow regulating component (3) is provided in the inner cavity of the inner cooling channel (102); The fine adjustment component (2) comprises an adjustment groove (201) provided inside the handle (1); an electric push rod (202) is fixedly connected to the inner wall of the adjustment groove (201); a circular plate (203) is fixedly connected to the output shaft end of the electric push rod (202); and a lower surface of the circular plate (203) is fixedly connected to the knife body (101).

2. The internal cold forming milling cutter with fine adjustment function according to claim 1, characterized in that: The coolant flow regulating component (3) comprises a groove (301) provided in the inner cavity of the handle (1); the inner cavity of the groove (301) is fixedly connected to an air pump (302); one end of the air pump (302) is fixedly connected to an air outlet pipe (303); one end of the air outlet pipe (303) is inserted into the inner cooling channel (102) and is connected to an air bag (304); and the air bag (304) is embedded in the inner cavity of the inner cooling channel (102).

3. The internally cold forming milling cutter with fine-tuning function according to claim 1, characterized in that: A telescopic rod 1 (204) is fixedly connected to the lower surface of the circular plate (203), and the other end of the telescopic rod 1 (204) is connected to one end of the knife body (101).

4. The internally cold forming milling cutter with fine adjustment function according to claim 1, characterized in that: The outer surface of the circular plate (203) is slidably connected to the inner wall of the adjustment groove (201), and the outer surface of the knife body (101) is provided with a plurality of cutting knives (205).

5. The internally cold forming milling cutter with fine adjustment function according to claim 1, characterized in that: A plurality of water outlet holes (310) are provided between the blade body (101) and the outer surface of the inner cooling channel (102).

6. The internally cold forming milling cutter with fine-tuning function according to claim 1, characterized in that: A telescopic tube (311) is fixedly connected to the inner cavity of the inner cooling channel (102) that passes through the adjustment groove (201) and the blade body (101).

7. The internally cold forming milling cutter with fine adjustment function according to claim 2, characterized in that: The outer surface of the airbag (304) is fixedly connected with a wear-resistant layer (305), and the wear-resistant layer (305) is made of wear-resistant coating ceramic or polymer coating.

8. The internally cold forming milling cutter with fine adjustment function according to claim 2, characterized in that: The inner cavity annular array of the airbag (304) has a plurality of telescopic rods (306), and elastic balls (307) are fixedly connected between the telescopic rods (306).

9. The internally cold forming milling cutter with fine adjustment function according to claim 8, characterized in that: A connecting plate (308) is fixedly connected to the upper surface of the handle (1), and a fixing rod (309) is fixedly connected to the bottom of the connecting plate (308).

10. The internally cold forming milling cutter with fine adjustment function according to claim 9, characterized in that: One end of the fixing rod (309) is fixedly connected to the outer surface of the airbag (304).

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