Quick tool changing magazine of numerical control lathe

By using the cylinder, piston rod, limit block, limit ring and limit hole in the quick tool change magazine of the CNC lathe, the limit of the cutter head is fixed, and the automatic tool claw is realized through the special shape setting of the shell. Management, solves the problem of cutterhead angle deviation caused by vibration during tool change, and improves the accuracy and practicality of tool change.

CN222344916UActive Publication Date: 2025-01-14三众智能精密机械(江苏)有限公司
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Patent Information

Application Number
CN202421146048.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-01-14
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

The existing rapid tool change magazine of CNC lathe is prone to shift the angles of the knife claws and the cutter plate due to vibration during the tool change process, which affects the tool change effect and is not practical.

Method used

A quick tool change magazine for CNC lathes is designed, which uses the combination of cylinder, piston rod, limit block, limit ring and limit hole. The movement of the piston rod and limit block is controlled through the switch of the cylinder, and the cutter head is fixed. The limiter prevents the cutterhead from rotating; at the same time, through the special shape setting of the housing, the claws can be automatically leaked out and retracted to prevent dust from being splashed on the cutter or falling into it.

Benefits of technology

It effectively prevents the offset caused by the rotation of the cutterhead during tool change, improves the accuracy and success rate of tool change, and at the same time improves the practicality and ease of use of the device through automated tool claw management.

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Abstract

The utility model discloses a quick tool changer of a numerically controlled lathe, which comprises a shell, a skirt is fixed below the shell, a mounting screw penetrates through the upper part of the skirt, a mounting rack is fixed on the inner side of the shell, a driving motor is mounted on the inner side of the mounting rack, a retainer is fixed above the mounting rack, and the retainer is fixed on the outer side of the shell. A retaining ring is fixed to the upper end of the retaining frame, an air cylinder is installed above the installation frame, and a piston rod is arranged above the air cylinder. According to the quick tool changing magazine of the numerical control lathe, the air cylinder, the piston rod, the limiting block, the limiting ring and the limiting holes are used in cooperation, the piston rod and the limiting block are driven to move upwards by turning on a switch of the air cylinder in the using process of the quick tool changing magazine, and the air cylinder switch is turned off when the limiting block is inserted into the corresponding limiting hole of the limiting ring; the cutter disc of the device can be fixed and limited, and the cutter disc is prevented from rotating during cutter changing, so that cutter changing deviation caused by cutter changing is avoided, and cutter changing failure is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field related to a fast tool change magazine, in particular to a fast tool change magazine for a numerically controlled lathe. Background Art

[0002] CNC lathe is one of the most widely used CNC machine tools, and can perform grooving, drilling, reaming, boring and so on. A quick tool change magazine is used in a CNC lathe. The quick tool change magazine provides the storage and tool changing needs required in the automated processing. The tool magazine system is a device that provides the storage and tool changing needs required in the automated processing. Its automatic tool changing mechanism and the tool magazine that can store multiple tools have changed the traditional people-oriented production method.

[0003] The existing quick tool change magazine of CNC lathes only uses the magnetic lock function of the drive motor to fix the tool claw on the tool disc when it is turned to the position where the tool is required to change the tool. During the tool changing process, the various vibrations generated by the tool changing may cause the angle of the tool claw and the tool disc to shift, which affects the tool changing and has poor practicality. Therefore, it is necessary to propose a quick tool change magazine for CNC lathes. Utility Model Content

[0004] The utility model aims to provide a fast tool change magazine for a CNC lathe to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a quick tool change magazine for a CNC lathe, comprising a shell, a skirt is fixed at the bottom of the shell, a mounting screw is passed through the top of the skirt, a mounting frame is fixed to the inner side of the shell, a driving motor is installed on the inner side of the mounting frame, a retaining frame is fixed above the mounting frame, a retaining ring is fixed to the upper end of the retaining frame, a cylinder is installed above the mounting frame, a piston rod is arranged above the cylinder, a limiting block is fixed to the upper end of the piston rod, a linkage block is installed at the upper output end of the driving motor, a tool disc is installed at the upper end of the linkage block, a limiting ring is fixed below the tool disc, a limiting hole is provided on the lower surface of the limiting ring, a connecting block is installed on the upper outer side of the tool disc, a fixing rod is passed through the top of the connecting block, and a tool claw is fixed to one end of the connecting block.

[0006] Preferably, the mounting screw is threadably connected to the skirt, and the upper surface of the skirt is of open-hole design.

[0007] Preferably, the retaining frame is welded to the mounting frame, and the inner diameter of the retaining ring above the retaining frame is larger than the outer diameter of the limiting block.

[0008] Preferably, the limit block forms a lifting structure through a piston rod and a cylinder, and the piston rod and the cylinder are vertically distributed.

[0009] Preferably, the limit block is used in conjunction with a limit ring below the cutter disc, and the limit block and the limit hole are arranged correspondingly.

[0010] Preferably, the limiting holes are distributed in a ring shape on the lower surface of the limiting ring, and the limiting holes are arranged at equal intervals.

[0011] Preferably, the knife claws are threadedly connected to the cutter disc via a fixing rod, and the knife claws are arranged at equal intervals on the outside of the cutter disc.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A quick tool change magazine for a CNC lathe, through the coordinated use of a cylinder, a piston rod, a limit block, a limit ring and a limit hole, during the use of the device, by turning on the switch of the cylinder, the piston rod and the limit block are driven to move upward, and when the limit block is inserted into the corresponding limit hole of the limit ring, the cylinder switch is turned off, so that the tool disc of the device can be fixed and limited, so as to prevent the tool disc from rotating during tool change, causing the tool change to be offset and causing tool change failure;

[0014] 2. This kind of rapid tool change magazine for a CNC lathe is provided with a shell, a connecting block, a fixing rod and a tool claw. During the use of the device, the special shape of the shell is set so that the tool claw that needs to be changed can be exposed for tool change, and the tools clamped by other tool claws are collected and covered inside the shell to prevent them from being splashed with cutting fluid and falling into dust, which may affect the tool change process, thereby effectively improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the limit ring of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the cage of the utility model;

[0019] Figure 5 This is a schematic diagram of the top view of the cutter disc of the utility model.

[0020] In the figure: 1. housing; 2. skirt; 3. mounting screw; 4. mounting frame; 5. drive motor; 6. retaining frame; 7. retaining ring; 8. cylinder; 9. piston rod; 10. limit block; 11. linkage block; 12. cutter disc; 13. limit ring; 14. limit hole; 15. connecting block; 16. fixing rod; 17. cutter claw. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 The utility model provides a technical solution: a fast tool change magazine for a CNC lathe, comprising a shell 1, a skirt 2 is fixed at the bottom of the shell 1, a mounting screw 3 is passed through the top of the skirt 2, the mounting screw 3 is threadedly connected to the skirt 2, the upper surface of the skirt 2 is an open-hole design, the hole opened on the skirt 2 is aligned with the mounting hole of the required installation position, and the mounting screw 3 is screwed in for fixed installation, so that the device is conveniently installed at the specified position, a mounting frame 4 is fixed to the inner side of the shell 1, a driving motor 5 is installed on the inner side of the mounting frame 4, a retaining frame 6 is fixed above the mounting frame 4, a retaining ring 7 is fixed to the upper end of the retaining frame 6, the retaining frame 6 is welded to the mounting frame 4, the inner diameter of the retaining ring 7 above the retaining frame 6 is larger than the outer diameter of the limit block 10, and the retaining frame 6 supports the lateral force of the limit block 10;

[0023] See also Figure 1-5 A cylinder 8 is installed above the mounting frame 4, a piston rod 9 is arranged above the cylinder 8, a limit block 10 is fixed on the upper end of the piston rod 9, a linkage block 11 is installed on the upper output end of the driving motor 5, a cutter disc 12 is installed on the upper end of the linkage block 11, a limit ring 13 is fixed below the cutter disc 12, the limit block 10 forms a lifting structure with the cylinder 8 through the piston rod 9, the piston rod 9 and the cylinder 8 are vertically distributed, turn on the switch of the cylinder 8, drive the piston rod 9 and the limit block 10 to move upward, and close the switch of the cylinder 8 when the limit block 10 is inserted into the corresponding limit hole 14 of the limit ring 13, so that the cutter disc 12 of the device can be fixed and limited, and the limit block 10 is used in conjunction with the limit ring 13 below the cutter disc 12 to limit The positioning block 10 is arranged corresponding to the limiting holes 14, and the limiting holes 14 are distributed in a ring shape on the lower surface of the limiting ring 13, and the limiting holes 14 are arranged at equal intervals. The limiting holes 14 are arranged at equal intervals to make the angles between each fixed limit equal. The limiting holes 14 are arranged on the lower surface of the limiting ring 13, and a connecting block 15 is installed on the upper outer side of the cutter disc 12. A fixing rod 16 passes through the upper part of the connecting block 15, and a knife claw 17 is fixed at one end of the connecting block 15. The knife claw 17 is threadedly connected to the cutter disc 12 through the fixing rod 16, and the knife claw 17 is arranged at equal intervals on the outer side of the cutter disc 12. The threaded connection structure is simple, and it is convenient to replace the knife claws 17 of different shapes and models for different sizes of tools according to actual conditions.

[0024] Working principle: When using the quick tool change magazine of the CNC lathe, first, during the use of the device, the switch of the cylinder 8 is turned on to drive the piston rod 9 and the limit block 10 to move upward. When the limit block 10 is inserted into the corresponding limit hole 14 of the limit ring 13, the switch of the cylinder 8 is turned off, and the tool disc 12 of the device can be fixed and limited to prevent the tool disc 12 from rotating during the tool change, causing the tool change to be offset and resulting in tool change failure. Secondly, during the use of the device, the special shape of the shell 1 is set, so that the tool claw 17 that needs to be changed can be leaked out for tool change, and the tools clamped by other tool claws 17 are retracted and covered inside the shell 1 to prevent them from being splashed with cutting fluid and falling into dust, which affects the tool change process, effectively improving the practicability of the device, and the use process of the quick tool change magazine of the CNC lathe is completed in this way.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick tool change magazine for a CNC lathe, comprising a housing (1), characterized in that: A skirt (2) is fixed below the outer shell (1), a mounting screw (3) is passed through the top of the skirt (2), a mounting frame (4) is fixed on the inner side of the outer shell (1), a driving motor (5) is mounted on the inner side of the mounting frame (4), a retaining frame (6) is fixed above the mounting frame (4), a retaining ring (7) is fixed at the upper end of the retaining frame (6), a cylinder (8) is mounted above the mounting frame (4), a piston rod (9) is arranged above the cylinder (8), and the upper end of the piston rod (9) is A limit block (10) is fixed, a linkage block (11) is installed at the upper output end of the driving motor (5), a cutter disc (12) is installed at the upper end of the linkage block (11), a limit ring (13) is fixed below the cutter disc (12), a limit hole (14) is provided on the lower surface of the limit ring (13), a connecting block (15) is installed on the upper outer side of the cutter disc (12), a fixing rod (16) passes through the upper part of the connecting block (15), and a cutter claw (17) is fixed at one end of the connecting block (15).

2. The rapid tool change magazine for a CNC lathe according to claim 1, characterized in that: The mounting screw (3) is threadedly connected to the skirt (2), and the upper surface of the skirt (2) is of open-hole design.

3. The rapid tool change magazine for a CNC lathe according to claim 1, characterized in that: The retaining frame (6) is welded to the mounting frame (4), and the inner diameter of the retaining ring (7) above the retaining frame (6) is greater than the outer diameter of the limiting block (10).

4. The rapid tool change magazine for a CNC lathe according to claim 1, characterized in that: The limit block (10) forms a lifting structure through a piston rod (9) and a cylinder (8), and the piston rod (9) and the cylinder (8) are vertically distributed.

5. The rapid tool change magazine for a CNC lathe according to claim 1, characterized in that: The limiting block (10) is used in conjunction with a limiting ring (13) below the cutter disc (12), and the limiting block (10) and the limiting hole (14) are arranged correspondingly.

6. The rapid tool change magazine for a CNC lathe according to claim 1, characterized in that: The limiting holes (14) are distributed in a ring shape on the lower surface of the limiting ring (13), and the limiting holes (14) are arranged at equal intervals.

7. The rapid tool change magazine for a CNC lathe according to claim 1, characterized in that: The knife claws (17) are threadedly connected to the knife disc (12) via a fixing rod (16), and the knife claws (17) are arranged at equal intervals on the outer side of the knife disc (12).

Citation Information

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