A milling cutter replacement structure

By designing a milling cutter replacement structure, the installation barrel, motor and other components are used to achieve rapid disassembly and replacement of the milling cutter, and lubricating oil is applied to the milling cutter through the combination of electric push rod and oil storage frame, the problem of inconvenient replacement of milling cutters in the prior art is solved, and the processing efficiency and sharpness of the tool are improved.

CN222710917UActive Publication Date: 2025-04-04CHANGZHOU HONGFU PRECISION TOOLS CO LTD
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Patent Information

Application Number
CN202421489554.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-04
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

When replacing the milling cutter, the existing milling machine requires staff to work hard to remove and re-fix the milling cutter, which is inconvenient to operate, resulting in long downtime of the machine tool and low machining efficiency.

Method used

A milling cutter replacement structure is designed. By combining the installation cylinder, motor, gear, threaded rod, slider, card block and connecting rod, the milling cutter body is quickly disassembled and replaced, and lubricated oil is applied to the milling cutter body through the cooperation of the electric push rod and the oil storage frame.

Benefits of technology

It realizes rapid replacement and lubrication of milling cutters, reduces machine tool downtime, improves machining efficiency, maintains the sharpness of the tool, and improves the machining surface quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of milling cutters, and discloses a replacement structure for milling cutters, including a driving rod, the bottom end of the driving rod is fixedly connected to a mounting cylinder, the upper side of the inner wall of the mounting cylinder is fixedly connected to a motor, the driving end of the motor is fixedly connected to a gear ring, the lower side of the outer wall of the gear ring is meshingly connected to a plurality of gears, the opposite end of the gear is connected to a connecting rod through a disassembly assembly, the bottom end of the connecting rod is detachably connected to a milling cutter body, and the upper side of the inner wall of the mounting cylinder is fixedly connected to a plurality of electric push rods. In the utility model, it is convenient for workers to disassemble the milling cutter body from the mounting cylinder, and it is convenient for workers to disassemble and replace the milling cutter body, the operation is simple, the downtime of the machine tool can be reduced, and the processing efficiency can be improved. At the same time, lubricating oil can be applied to the surface of the milling cutter body to prevent chips from adhering to the cutting edge of the tool to form a built-up edge, thereby maintaining the sharpness of the tool and improving the quality of the processed surface.
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Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, in particular to a replacement structure of a milling cutter. Background Art

[0002] Milling cutters are used to process various planes, such as horizontal, vertical and inclined surfaces. Quick replacement of milling cutters can reduce machine downtime and improve processing efficiency, especially in mass production, which can significantly shorten the time for tool replacement.

[0003] After searching, a milling cutter replacement structure for a milling machine with announcement number CN218694278U includes a working head, the top of the working head is fixedly connected to a connecting air pipe, the end of the connecting air pipe is connected to a rotating joint, the bottom end of the working head is fixedly connected to a mounting sleeve, a positioning groove is provided inside the mounting sleeve, a milling cutter is installed inside the positioning groove, a locking mechanism is provided between the milling cutter and the mounting sleeve, the locking mechanism includes a plurality of locking seats and a locking rod, and a plurality of locking grooves are provided on the side surface of the locking rod; the utility model sets a locking mechanism, an air pump inflates the locking seat, the air pressure in the locking seat increases to pull the locking rod out of the mounting sleeve, and then the locking rod on the milling cutter is inserted or pulled out, and then the reset spring pushes the locking rod into the locking groove again for fixing, the milling cutter is quickly fixed and unlocked, no laborious operation is required by the staff, and the convenience of replacing the milling cutter is improved;

[0004] Based on the above patent, it is mentioned in the background technology that when using the milling machine for operation, the replacement of the milling cutter on the milling machine requires the staff to remove and re-fix the milling cutter, which is laborious and inconvenient to operate. In this regard, in order to solve this technical problem, this application proposes a milling cutter replacement structure. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a milling cutter replacement structure is proposed, which is convenient for workers to disassemble the milling cutter body from the mounting cylinder, and is convenient for workers to disassemble and replace the milling cutter body. The operation is simple, and the machine tool downtime can be reduced and the processing efficiency can be improved. At the same time, lubricating oil can be applied to the surface of the milling cutter body to prevent chips from adhering to the tool edge to form built-up edge, thereby maintaining the sharpness of the tool and improving the processing surface quality.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A milling cutter replacement structure comprises a driving rod, wherein the bottom end of the driving rod is fixedly connected to a mounting cylinder, the upper side of the inner wall of the mounting cylinder is fixedly connected to a motor, the driving end of the motor is fixedly connected to a gear ring, the lower side of the outer wall of the gear ring is meshingly connected to a plurality of gears, the opposite end of the gear is connected to a connecting rod via a disassembly component, the bottom end of the connecting rod is detachably connected to a milling cutter body, a plurality of electric push rods are fixedly connected to the upper side of the inner wall of the mounting cylinder, the bottom end of the electric push rod is fixedly connected to an oil storage frame, and a plurality of lubrication components are arranged at the bottom end of the oil storage frame.

[0008] Furthermore, the disassembly assembly includes a threaded rod fixedly connected at one end opposite to the gear, a slider is threadedly connected to the outer wall of the threaded rod, a clamping block is fixedly connected to the bottom end of the slider, and a plurality of clamping grooves are provided on the outer wall of the connecting rod.

[0009] Furthermore, the inward side of the threaded rod is rotatably connected to the outward side of the inner wall of the installation tube, and the top of the sliding block is slidably connected to the upper side of the inner wall of the installation tube.

[0010] Furthermore, the outer walls of the card blocks are arranged on the inner walls of the card slots, and the shape of the card blocks matches the card slots.

[0011] Furthermore, the lubrication assembly includes a plurality of water pumps fixedly connected to the bottom end of the oil storage frame, the bottom ends of the water pumps are all fixedly connected to brushes, and the top ends of the brushes are all provided with oil guide holes.

[0012] Furthermore, a feed port is fixedly connected to the right end of the oil storage frame.

[0013] Furthermore, the top end of the gear ring is rotatably connected to the upper side of the inner wall of the mounting tube.

[0014] Furthermore, the outward ends of the gears are rotatably connected to the inward side of the inner wall of the mounting tube.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, by installing the cylinder, the motor, the gear ring, the gear, the threaded rod, the slider, the block, the connecting rod and the slot, it is convenient for workers to disassemble the milling cutter body from the installation cylinder, and it is convenient for workers to disassemble and replace the milling cutter body. The operation is simple, the machine tool downtime can be reduced, and the processing efficiency can be improved.

[0017] 2. In the utility model, lubricating oil can be applied to the surface of the milling cutter body through the cooperation between the electric push rod, the oil storage frame, the water pump, the brush and the oil guide hole, which can prevent the chips from adhering to the cutting edge of the tool to form a built-up edge, thereby maintaining the sharpness of the tool and improving the quality of the processed surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1A plan view of a milling cutter replacement structure proposed by the utility model;

[0019] Figure 2 It is a right half-section view of a mounting cylinder of a milling cutter replacement structure proposed by the utility model;

[0020] Figure 3 A structural diagram of a connecting rod of a milling cutter replacement structure proposed by the utility model;

[0021] Figure 4 A front half-section view of a mounting cylinder of a milling cutter replacement structure proposed by the utility model;

[0022] Figure 5 A half-section view of a brush of a milling cutter replacement structure proposed in the utility model.

[0023] Legend:

[0024] 1. Driving rod; 2. Mounting cylinder; 3. Motor; 4. Gear ring; 5. Gear; 6. Threaded rod; 7. Slider; 8. Block; 9. Connecting rod; 10. Slot; 11. Milling cutter body; 12. Electric push rod; 13. Oil storage frame; 14. Water pump; 15. Brush; 16. Oil guide hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1 , Figure 2 and Figure 3 As shown, an embodiment provided by the utility model is: a milling cutter replacement structure, including a driving rod 1, a mounting tube 2 is fixedly connected to the bottom end of the driving rod 1, a motor 3 is fixedly connected to the upper side of the inner wall of the mounting tube 2, a gear ring 4 is fixedly connected to the driving end of the motor 3, a plurality of gears 5 are meshedly connected to the lower side of the outer wall of the gear ring 4, a milling cutter body 11 is detachably connected to the bottom end of the connecting rod 9, a plurality of electric push rods 12 are fixedly connected to the upper side of the inner wall of the mounting tube 2, and an oil storage frame 13 is fixedly connected to the bottom end of the electric push rod 12. The outer wall of the threaded rod 6 is threadedly connected to a slider 7, the bottom end of the slider 7 is fixedly connected to a clamping block 8, the outer wall of the connecting rod 9 is provided with a plurality of clamping grooves 10, the inner side of the threaded rod 6 is respectively rotatably connected to the outer side of the inner wall of the mounting tube 2, the top of the slider 7 is respectively slidably connected to the upper side of the inner wall of the mounting tube 2, the outer wall of the clamping block 8 is arranged on the inner wall of the clamping groove 10, and the shape of the clamping block 8 matches the clamping groove 10.

[0027] Specifically, when the milling cutter body 11 needs to be replaced, the worker only needs to start the motor 3, and the motor 3 drives the gear ring 4, the gear 5, and the threaded rod 6 to rotate. The threaded rod 6 drives the slider 7 to slide to the outside, and the slider 7 drives the block 8 to slide, and the block 8 is taken out of the slot 10, and the limit on the connecting rod 9 is released. The connecting rod 9 is removed from the mounting tube 2, and then the connecting rod 9 and the milling cutter body 11 are disassembled, and the milling cutter body 11 can be replaced. During installation, the milling cutter body 11 is first connected to the connecting rod 9, and then the connecting rod 9 is inserted into the mounting tube 2, and the slot 10 is aligned with the block 8, and then the motor 3 is controlled to rotate in the opposite direction, thereby driving the block 8 to slide to the inside, and the block 8 is stuck in the slot 10, and the connecting rod 9 is limited to complete the installation, which is convenient for workers to remove the milling cutter body 11 from the mounting tube 2, and convenient for workers to disassemble and replace the milling cutter body 11, the operation is simple, can reduce the downtime of the machine tool, and improve the processing efficiency.

[0028] Reference Figure 1 , Figure 4 and Figure 5 As shown, the bottom of the water pump 14 is fixedly connected to a brush 15, the top of the brush 15 is provided with an oil guide hole 16, the right end of the oil storage frame 13 is fixedly connected to a feed port, the top of the gear ring 4 is rotatably connected to the upper side of the inner wall of the mounting tube 2, and the outward end of the gear 5 is rotatably connected to the inner side of the inner wall of the mounting tube 2

[0029] Specifically, the worker can control the electric push rod 12 to extend, and the electric push rod 12 drives the oil storage frame 13 and the brush 15 to move downward, so that the brush 15 touches the milling cutter body 11, close the electric push rod 12, start the water pump 14, extract the lubricating oil in the oil storage frame 13, and apply it to the milling cutter body 11 through the oil guide hole 16, so as to apply lubricating oil to the surface of the milling cutter body 11, which can prevent chips from adhering to the cutting edge of the tool to form built-up edge, thereby maintaining the sharpness of the tool and improving the quality of the processed surface. At the same time, lubricating oil can be added to the inside of the oil storage frame 13 through the feed port.

[0030] Working principle: When the milling cutter body 11 needs to be replaced, the worker only needs to start the motor 3, the motor 3 drives the gear ring 4 to rotate, the gear ring 4 drives the gear 5 to rotate, the gear 5 drives the threaded rod 6 to rotate, the threaded rod 6 drives the slider 7 to slide outward, the slider 7 drives the block 8 to slide, remove the block 8 from the slot 10, release the limit on the connecting rod 9, remove the connecting rod 9 from the installation tube 2, and then remove the connecting rod 9 and the milling cutter body 11, and the milling cutter body 11 can be replaced. When installing, first connect the milling cutter body 11 and the connecting rod 9, and then connect the connecting rod 9. The rod 9 is inserted into the installation tube 2, and the slot 10 is aligned with the block 8, and then the motor 3 is controlled to rotate in the opposite direction, thereby driving the block 8 to slide inward, and the block 8 is stuck into the slot 10, and the connecting rod 9 is limited to complete the installation. At the same time, the worker can control the electric push rod 12 to extend, and the electric push rod 12 drives the oil storage frame 13 and the brush 15 to move downward, and the brush 15 touches the milling cutter body 11, closes the electric push rod 12, and starts the water pump 14 to extract the lubricating oil in the oil storage frame 13 and apply it to the milling cutter body 11 through the oil guide hole 16.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A milling cutter replacement structure, comprising a drive rod (1), characterized in that: The bottom end of the driving rod (1) is fixedly connected to a mounting tube (2), the upper side of the inner wall of the mounting tube (2) is fixedly connected to a motor (3), the driving end of the motor (3) is fixedly connected to a gear ring (4), the lower side of the outer wall of the gear ring (4) is meshingly connected to a plurality of gears (5), the opposite end of the gear (5) is connected to a connecting rod (9) via a disassembly component, the bottom end of the connecting rod (9) is detachably connected to a milling cutter body (11), the upper side of the inner wall of the mounting tube (2) is fixedly connected to a plurality of electric push rods (12), the bottom end of the electric push rods (12) is fixedly connected to an oil storage frame (13), and the bottom end of the oil storage frame (13) is provided with a plurality of lubrication components.

2. A milling cutter replacement structure according to claim 1, characterized in that: The disassembly assembly comprises a threaded rod (6) fixedly connected to one end opposite to the gear (5), a slider (7) being threadedly connected to the outer wall of the threaded rod (6), a clamping block (8) being fixedly connected to the bottom end of the slider (7), and a plurality of clamping grooves (10) being provided on the outer wall of the connecting rod (9).

3. A milling cutter replacement structure according to claim 2, characterized in that: The inward side of the threaded rod (6) is rotatably connected to the outward side of the inner wall of the installation tube (2), and the top end of the slider (7) is slidably connected to the upper side of the inner wall of the installation tube (2).

4. The milling cutter replacement structure according to claim 2, characterized in that: The outer walls of the card blocks (8) are arranged on the inner walls of the card slots (10), and the shape of the card blocks (8) matches that of the card slots (10).

5. The milling cutter replacement structure according to claim 1, characterized in that: The lubrication assembly comprises a plurality of water pumps (14) fixedly connected to the bottom end of an oil storage frame (13), the bottom ends of the water pumps (14) are all fixedly connected to brushes (15), and the top ends of the brushes (15) are all provided with oil guide holes (16).

6. The milling cutter replacement structure according to claim 1, characterized in that: The right end of the oil storage frame (13) is fixedly connected with a feed port.

7. The milling cutter replacement structure according to claim 1, characterized in that: The top end of the gear ring (4) is rotatably connected to the upper side of the inner wall of the mounting tube (2).

8. The milling cutter replacement structure according to claim 1, characterized in that: The outward end of the gear (5) is rotatably connected to the inward side of the inner wall of the installation cylinder (2).