Floating cutter handle with guide structure for machining center

By introducing a guide structure and locking assembly on the floating tool holder, the problem of unstable tool connection is solved, and the stable connection and synchronous rotation between the tool and the floating tool holder is achieved, which improves the stability and efficiency of the machining center.

CN223160491UActive Publication Date: 2025-07-29XIAN JIAQIGONG MOLD CO LTD
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Patent Information

Application Number
CN202421330834.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-07-29
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

The connecting structure of floating tool holders for most machining centers is relatively simple, which causes the tool processing position to be easily offset and affects the stability of the processing work.

Method used

The floating tool holder with a guide structure is adopted, including tool assembly, guide assembly, locking assembly, adjustment assembly and fixing assembly. The tool is flexibly and stably fixed to the floating tool holder through the through-connection. The guide screw and lock nut are used to ensure synchronous rotation, and the servo motor adjusts the spacing of the clamps to enhance stability.

Benefits of technology

It realizes stable connection between the tool and the floating tool holder, simplifies assembly operations, and enhances the stability and practical value of the floating tool holder.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223160491U_ABST
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Abstract

The utility model relates to the technical field of floating cutter handles for machining centers, in particular to a floating cutter handle with a guide structure for a machining center, and solves the technical problems that when the machining center is used, a cutter with a specified specification needs to be assembled at the cutter handle, but most floating cutter handles for the machining center are inconvenient to assemble. During operation, the machining position of a cutter is prone to deviation, the machining requirement that the cutter stably and synchronously rotates along with a cutter handle is difficult to meet, and the use stability of the floating cutter handle is affected. According to the technical scheme, the floating cutter handle with the guide structure for the machining center comprises a cutter assembly, a guide assembly, a locking assembly, an adjusting assembly and a fixing assembly; compared with a traditional floating cutter handle for a machining center, the floating cutter handle for the machining center has the advantages that most cutter connecting structures are simple in arrangement, and stable development of machining operation is often affected, the cutters are flexibly, stably and fixedly connected to the floating cutter handle in a penetrating connection mode, assembly operation is simple and convenient, and the practical value of the floating cutter handle is enhanced.
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Description

Technical Field

[0001] The utility model relates to the technical field of floating tool holders for machining centers, in particular to a floating tool holder for a machining center with a guiding structure. Background Art

[0002] A floating tool holder for a machining center is a specially designed tool holder that allows the tool to automatically adjust its position within a certain range to compensate for errors caused by minor deviations of the machine tool spindle, tool, or workpiece. This type of tool holder is usually used in applications that require high-precision machining. It can effectively improve machining accuracy, extend tool life, and improve production efficiency. When in use, a tool of a specified specification needs to be assembled to the tool holder. However, for most floating tool holders for machining centers, most of the connection and fixing structures are set relatively simply, and the machining position of the tool is likely to shift during operation, making it difficult to meet the machining requirement of the tool rotating stably synchronously with the tool holder, which affects the use stability of the floating tool holder. Summary of the Utility Model

[0003] In order to overcome the problem that for most floating tool holders for machining centers, most of the connection structures of the tools are set relatively simply, resulting in the tool position being likely to shift during machining operations, which often affects the stable development of machining operations.

[0004] The technical solution of the utility model is: a floating tool holder for a machining center with a guiding structure, which includes a floating tool holder main body, a tool assembly, a first guiding assembly, a second guiding assembly, a locking assembly, an adjusting assembly, and a fixing assembly; a tool assembly is arranged on one side of the floating tool holder main body, a first guiding assembly is arranged inside the floating tool holder main body, a second guiding assembly is arranged on the other side of the floating tool holder main body, a locking assembly is arranged on one side of the second guiding assembly, an adjusting assembly is arranged on the bottom surface of the floating tool holder main body, and a fixing assembly is arranged on one side of the adjusting assembly, and two groups of fixing assemblies are provided.

[0005] Preferably, by setting the floating tool holder main body fixedly connected to the tool assembly, the installation position of the tool assembly is initially clarified by the first guiding assembly, the installation position of the tool assembly is further clarified by the second guiding assembly, the position of the second guiding assembly is locked by the locking assembly, the distance between the two groups of fixing assemblies is adjusted by the adjusting assembly, the tool assembly is clamped and fixed by the fixing assembly, and the specific machining operation is carried out by rotating the tool assembly, so as to realize the effect of flexibly and stably fixing the tool to the floating tool holder, simplify the assembly operation, and enhance the practical value of the floating tool holder.

[0006] As a preference, the tool assembly includes a main shaft and a machining tool; a main shaft is arranged on one side of the floating tool holder main body, and a machining tool is arranged inside the floating tool holder main body; by rotating the main shaft, the floating tool holder main body is driven to rotate synchronously, and by rotating the floating tool holder main body, the machining tool is driven to rotate synchronously, and the specific machining operation is carried out by rotating the machining tool.

[0007] Preferably, the first guiding component includes a positioning groove and a positioning post; a positioning groove is formed at one end of the processing tool, a positioning post is arranged inside the floating tool shank body, and the positioning post and the positioning groove are fitted with each other; the fitting position of the positioning post is determined by the positioning groove, and the positioning post is inserted into the positioning groove, so as to achieve the effect of preliminarily determining the assembly position of the processing tool.

[0008] Preferably, the second guiding component includes a first threaded through groove, a second threaded through groove and a guiding screw; a first threaded through groove is formed on one side of the floating tool shank body, a second threaded through groove is formed on one side of the processing tool, the first threaded through groove and the second threaded through groove communicate with each other, a guiding screw is arranged inside the second threaded through groove, the guiding screw is in threaded connection with the first threaded through groove, and at the same time, the guiding screw is also in threaded connection with the second threaded through groove; the guiding screw is connected and fixed through the first threaded through groove, the guiding screw is further connected and fixed by using the second threaded through groove, the guiding screw penetrates and connects the floating tool shank body, so that the processing tool is stably connected with the floating tool shank body, and at the same time, the synchronous rotation of the processing tool and the floating tool shank body is ensured.

[0009] Preferably, the locking component includes a rotating plate and a locking nut; a rotating plate is arranged at one end of the guiding screw, a locking nut is arranged at the other end of the guiding screw, the locking nut is in threaded connection with the guiding screw, and the locking nut is arranged outside the floating tool shank body; the guiding screw is rotated by rotating the rotating plate, so that the guiding screw penetrates through the floating tool shank body to the other side, and the other end of the guiding screw is locked and fixed by using the locking nut, and the guiding screw is stably fixed on the floating tool shank body, so as to ensure the stable connection between the processing tool and the floating tool shank body.

[0010] Preferably, the adjusting component includes a bidirectional adjusting lead screw and a servo motor; the bidirectional adjusting lead screw is arranged at the bottom surface of the floating tool shank body, the servo motor is arranged outside the floating tool shank body, and the output end of the servo motor is connected with the bidirectional adjusting lead screw; the bidirectional adjusting lead screw is rotated by the servo motor, and the distance between the two fixing components is flexibly adjusted by rotating the bidirectional adjusting lead screw.

[0011] Preferably, the fixing component includes a connecting block, a connecting plate and a clamping plate; the connecting block is arranged outside the bidirectional adjusting lead screw, the connecting plate is arranged on one side of the connecting block, the clamping plate is arranged on one side of the connecting plate, and the clamping plate is arranged outside the processing tool; the connecting plate is connected and fixed through the connecting block, the clamping plate is connected and fixed by using the connecting plate, and the processing tool is clamped and fixed by the clamping plate, so as to achieve the effect of ensuring the stable position of the processing tool during the processing operation.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. Compared with the traditional floating tool holder for machining centers, most of them use clamping blocks to hold and fix the cutting tool. Most of the connection and fixing structures are set relatively simply, and the machining position of the cutting tool is likely to shift during operation, making it difficult to meet the machining requirement that the cutting tool rotates stably synchronously with the tool holder. By means of through connection, the cutting tool is flexibly and stably fixedly connected to the floating tool holder, and the assembly operation is simple and convenient, enhancing the practical value of the floating tool holder.

[0014] 2. When assembling and machining the cutting tool, insert the positioning post into the positioning groove. Subsequently, rotate the rotating plate to drive the guiding screw to rotate, so that the guiding screw penetrates through the floating tool holder body. Use the guiding screw to connect and fix the machining cutting tool and the floating tool holder body. Rotate and lock the nut at the other end of the guiding screw to lock and fix the guiding screw and the floating tool holder body, so as to solve the problem that for most floating tool holders used in machining centers, the tool connection structure is set relatively simply, which often affects the stable development of machining operations, and enhance the use stability of the floating tool holder.

[0015] 3. When performing machining operations, drive the bidirectional adjusting screw to rotate through the servo motor. Rotate the bidirectional adjusting screw to flexibly adjust the distance between the two connecting blocks, thereby flexibly adjusting the distance between the clamping plates on the connecting plate to clamp and fix the machining cutting tool. Finally, rotate the main shaft to drive the floating tool holder body to rotate synchronously, and rotate the floating tool holder body to drive the machining cutting tool to rotate synchronously, and rotate the machining cutting tool to perform specific machining operations. Description of the Drawings

[0016] Figure 1 Shown is a three-dimensional structure schematic diagram of a floating tool holder for a machining center with a guiding structure according to the present utility model;

[0017] Figure 2 Shown is a first three-dimensional structure schematic diagram of a first guiding component of a floating tool holder for a machining center with a guiding structure according to the present utility model;

[0018] Figure 3 Shown is a second three-dimensional structure schematic diagram of a first guiding component of a floating tool holder for a machining center with a guiding structure according to the present utility model;

[0019] Figure 4 Shown is a three-dimensional structure schematic diagram of a second guiding component of a floating tool holder for a machining center with a guiding structure according to the present utility model;

[0020] Figure 5 Shown is a three-dimensional structure schematic diagram of a locking component of a floating tool holder for a machining center with a guiding structure according to the present utility model;

[0021] Figure 6 Shown is a three-dimensional structure schematic diagram of a fixing component of a floating tool holder for a machining center with a guiding structure according to the present utility model.

[0022] Explanation of the accompanying drawings: 1. Floating tool holder body; 2. Tool assembly; 3. First guide assembly; 4. Second guide assembly; 5. Locking assembly; 6. Adjustment assembly; 7. Fixing assembly; 201. Spindle; 202. Processing tool; 301. Positioning groove; 302. Positioning column; 401. First threaded through groove; 402. Second threaded through groove; 403. Guide screw; 501. Rotating plate; 502. Locking nut; 601. Bidirectional adjustment screw; 602. Servo motor; 701. Connecting block; 702. Connecting plate; 703. Clamp. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] See also Figure 1 The utility model provides an embodiment: a floating tool holder for a machining center with a guide structure, comprising a floating tool holder body 1, a tool assembly 2, a first guide assembly 3, a second guide assembly 4, a locking assembly 5, an adjustment assembly 6 and a fixing assembly 7; the tool assembly 2 is provided on one side of the floating tool holder body 1, the first guide assembly 3 is provided on the inner side of the floating tool holder body 1, the second guide assembly 4 is provided on the other side of the floating tool holder body 1, the locking assembly 5 is provided on one side of the second guide assembly 4, the adjustment assembly 6 is provided on the bottom surface of the floating tool holder body 1, the fixing assembly 7 is provided on one side of the adjustment assembly 6, and two groups of fixing assemblies 7 are provided.

[0025] See also Figures 2-3 In this embodiment, the tool assembly 2 includes a spindle 201 and a processing tool 202; a spindle 201 is provided on one side of the floating tool holder body 1, and a processing tool 202 is provided on the inner side of the floating tool holder body 1. The floating tool holder body 1 is driven to rotate synchronously by rotating the spindle 201, and the processing tool 202 is driven to rotate synchronously by rotating the floating tool holder body 1, and the rotating processing tool 202 performs specific processing operations; the first guide assembly 3 includes a positioning groove 301 and a positioning column 302; a positioning groove 301 is provided at one end of the processing tool 202, and a positioning column 302 is provided on the inner side of the floating tool holder body 1, and the positioning column 302 and the positioning groove 301 are engaged with each other. The engagement position of the positioning column 302 is clarified by the positioning groove 301, and the positioning column 302 is embedded in the positioning groove 301, thereby achieving the effect of preliminarily clarifying the assembly position of the processing tool 202.

[0026] See also Figures 4-5, in this embodiment, the second guiding component 4 includes a first threaded through groove 401, a second threaded through groove 402 and a guiding screw 403; a first threaded through groove 401 is formed on one side of the floating tool shank body 1, and a second threaded through groove 402 is formed on one side of the machining tool 202. The first threaded through groove 401 and the second threaded through groove 402 communicate with each other. A guiding screw 403 is arranged inside the second threaded through groove 402. The guiding screw 403 is threadedly connected to the first threaded through groove 401. At the same time, the guiding screw 403 is also threadedly connected to the second threaded through groove 402. The guiding screw 403 is connected and fixed through the first threaded through groove 401, and the guiding screw 403 is further connected and fixed by using the second threaded through groove 402. The guiding screw 403 penetrates and connects the floating tool shank body 1, so that the machining tool 202 is stably connected to the floating tool shank body 1. At the same time, it is ensured that the machining tool 202 and the floating tool shank body 1 rotate synchronously; the locking component 5 includes a rotating plate 501 and a locking nut 502; a rotating plate 501 is arranged at one end of the guiding screw 403, and a locking nut 502 is arranged at the other end of the guiding screw 403. The locking nut 502 is threadedly connected to the guiding screw 403. The locking nut 502 is arranged outside the floating tool shank body 1. By rotating the rotating plate 501 to drive the guiding screw 403 to rotate, the guiding screw 403 penetrates from one side of the floating tool shank body 1 to the other side, and the other end of the guiding screw 403 is locked and fixed by using the locking nut 502, and the guiding screw 403 is stably fixed to the floating tool shank body 1, thereby ensuring the stable connection between the machining tool 202 and the floating tool shank body 1.

[0027] Please refer to Figure 6 , in this embodiment, the adjusting component 6 includes a bidirectional adjusting screw rod 601 and a servo motor 602; the bidirectional adjusting screw rod 601 is arranged on the bottom surface of the floating tool shank body 1, and the servo motor 602 is arranged outside the floating tool shank body 1. The output end of the servo motor 602 is connected to the bidirectional adjusting screw rod 601. By driving the bidirectional adjusting screw rod 601 to rotate through the servo motor 602, the distance between the two fixing components 7 is flexibly adjusted by rotating the bidirectional adjusting screw rod 601; the fixing component 7 includes a connecting block 701, a connecting plate 702 and a clamping plate 703; the connecting block 701 is arranged outside the bidirectional adjusting screw rod 601, a connecting plate 702 is arranged on one side of the connecting block 701, and a clamping plate 703 is arranged on one side of the connecting plate 702. The clamping plate 703 is arranged outside the machining tool 202. The connecting plate 702 is connected and fixed by using the connecting block 701, and the clamping plate 703 is connected and fixed by using the connecting plate 702. The machining tool 202 is clamped and fixed by the clamping plate 703, so as to achieve the effect of ensuring the stable position of the machining tool 202 during the machining operation.

[0028] When assembling and processing the cutting tool 202, the positioning post 302 is embedded into the positioning groove 301. Subsequently, the cutting tool 202 is rotated to make the first threaded through groove 401 communicate with the second threaded through groove 402. Then, the rotating plate 501 is rotated to drive the guide screw 403 to rotate, so that the guide screw 403 passes through the floating tool holder body 1. Subsequently, the guide screw 403 continues to pass through the cutting tool 202. Then, the other end of the guide screw 403 passes out of the floating tool holder body 1, and the rotating plate 501 abuts against the outer side of the floating tool holder body 1. Finally, the locking nut 502 is rotated at the other end of the guide screw 403, and the locking nut 502 is rotated to the outer side of the floating tool holder body 1;

[0029] When performing the processing operation, the bidirectional adjustment lead screw 601 is driven to rotate by the servo motor 602. The bidirectional adjustment lead screw 601 is rotated to flexibly adjust the distance between the two connecting blocks 701, so as to flexibly adjust the distance between the clamping plates 703 on the connecting plate 702, and the clamping plates 703 clamp and fix the cutting tool 202. Finally, the main shaft 201 is rotated to drive the floating tool holder body 1 to rotate synchronously, the floating tool holder body 1 is rotated to drive the cutting tool 202 to rotate synchronously, and the cutting tool 202 is rotated to perform the specific processing operation.

[0030] Through the above steps, by setting the floating tool holder body 1 fixedly connected to the tool assembly 2, the installation position of the tool assembly 2 is initially determined by the first guiding assembly 3, the installation position of the tool assembly 2 is further determined by the second guiding assembly 4, the position of the second guiding assembly 4 is locked by the locking assembly 5, the distance between the two fixing assemblies 7 is adjusted by the adjusting assembly 6, the tool assembly 2 is clamped and fixed by the fixing assembly 7, and the specific processing operation is performed by rotating the tool assembly 2.

[0031] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. A floating tool holder for a machining center with a guiding structure, comprising a floating tool holder body (1); characterized in that: It further includes a tool assembly (2), a first guiding assembly (3), a second guiding assembly (4), a locking assembly (5), an adjusting assembly (6) and a fixing assembly (7); a tool assembly (2) is arranged on one side of the floating tool shank body (1), a first guiding assembly (3) is arranged inside the floating tool shank body (1), a second guiding assembly (4) is arranged on the other side of the floating tool shank body (1), a locking assembly (5) is arranged on one side of the second guiding assembly (4), an adjusting assembly (6) is arranged on the bottom surface of the floating tool shank body (1), a fixing assembly (7) is arranged on one side of the adjusting assembly (6), and two groups of fixing assemblies (7) are provided.

2. The floating tool holder for a machining center with a guiding structure according to claim 1, wherein: The tool assembly (2) includes a main shaft (201) and a machining tool (202); the main shaft (201) is arranged on one side of the floating tool shank body (1), and the machining tool (202) is arranged inside the floating tool shank body (1).

3. A floating tool holder for a machining center with a guiding structure according to claim 2, characterized in that: The first guiding assembly (3) includes a positioning groove (301) and a positioning post (302); a positioning groove (301) is formed at one end of the machining tool (202), and a positioning post (302) is arranged inside the floating tool shank body (1), and the positioning post (302) and the positioning groove (301) are fitted with each other.

4. A floating tool holder for a machining center with a guiding structure according to claim 2, characterized in that: The second guiding assembly (4) includes a first threaded through groove (401), a second threaded through groove (402) and a guiding screw (403); a first threaded through groove (401) is formed on one side of the floating tool shank body (1), a second threaded through groove (402) is formed on one side of the machining tool (202), the first threaded through groove (401) and the second threaded through groove (402) communicate with each other, a guiding screw (403) is arranged inside the second threaded through groove (402), the guiding screw (403) is threadedly connected with the first threaded through groove (401), and at the same time, the guiding screw (403) is also threadedly connected with the second threaded through groove (402).

5. The floating tool holder for a machining center with a guiding structure according to claim 4, characterized in that: The locking assembly (5) includes a rotating plate (501) and a locking nut (502); a rotating plate (501) is arranged at one end of the guiding screw (403), a locking nut (502) is arranged at the other end of the guiding screw (403), the locking nut (502) is threadedly connected with the guiding screw (403), and the locking nut (502) is arranged outside the floating tool shank body (1).

6. The floating tool holder for a machining center with a guiding structure according to claim 4, characterized in that: The adjusting assembly (6) includes a bidirectional adjusting lead screw (601) and a servo motor (602); the bidirectional adjusting lead screw (601) is arranged on the bottom surface of the floating tool shank body (1), a servo motor (602) is arranged outside the floating tool shank body (1), and the output end of the servo motor (602) is connected with the bidirectional adjusting lead screw (601).

7. A floating tool holder for a machining center with a guiding structure according to claim 1, characterized in that: The fixing assembly (7) includes a connecting block (701), a connecting plate (702) and a clamping plate (703); a connecting block (701) is arranged outside the bidirectional adjusting lead screw (601), a connecting plate (702) is arranged on one side of the connecting block (701), a clamping plate (703) is arranged on one side of the connecting plate (702), and the clamping plate (703) is arranged outside the machining tool (202).