Novel zero-point positioning quick-changing device for turning tool rest of horizontal lathe

By designing a zero-point positioning and quick change device for horizontal lathes, the automatic clamping and pneumatic relaxation methods of pulling nails and zero-point chucks are used to solve the positioning accuracy and efficiency problems of large-scale automated horizontal lathes when replacing tool holders, achieving higher positioning accuracy and faster replacement process, and improving production efficiency and machine tool production capacity.

CN222569307UActive Publication Date: 2025-03-07QIZHONG CNC EQUIP (JIANGSU) CO LTD
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Patent Information

Application Number
CN202421290366.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-03-07
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

When replacing different types of tools, tool holders or disassembling workpieces, large automated horizontal lathes are time-consuming and labor-intensive, affecting the workpiece processing efficiency and machine tool production capacity, and it is difficult to ensure the positioning accuracy and repeated positioning accuracy of the tool holder.

Method used

A new type of horizontal lathe sharpening frame zero-point positioning and quick change device is designed, including a turning frame or sharpening frame, a zero-point base, a zero-point chuck, a pull-out nail and an upper tool holder. Quick positioning and locking are achieved through automatic clamping and pneumatic relaxation of the pull-out nail and the zero-point chuck.

Benefits of technology

The positioning accuracy and repeated positioning accuracy of the horizontal turning machining center when replacing the tool holder are improved, the auxiliary time of staff is reduced, and the production efficiency and machine tool production capacity are improved.

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Abstract

The utility model discloses a novel zero-point positioning quick-changing device for a turning tool rest of a horizontal lathe, and belongs to the technical field of machinery. The zero-point tool rest comprises a turning tool rest or a grinding tool rest, a zero-point base, a zero-point chuck, a pop rivet and an upper tool rest body, the zero-point base is combined with the upper end face of the upper tool rest body, the zero-point chuck is installed in the zero-point base, and the upper end face of the zero-point chuck and the upper end face of the zero-point base are located on the same horizontal plane; a plurality of blind rivets which are uniformly distributed at intervals are respectively mounted on the lower end face of the turning tool rest or the grinding tool rest, the turning tool rest or the grinding tool rest is mounted on the zero-point chuck through the blind rivets, and the mounting positions of the blind rivets on the turning tool rest or the grinding tool rest correspond to the connecting positions of the blind rivets on the zero-point chuck; the blind rivet and the zero chuck are connected in a configuration matching mode and are locked and separated in an automatic clamping and pneumatic loosening mode. According to the utility model, the horizontal turning center has higher positioning accuracy and repeated positioning accuracy when the tool rest is replaced, and the production efficiency is effectively improved.
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Description

Technical Field

[0001] The utility model relates to a novel zero-point positioning quick-change device for a tool grinding frame of a horizontal lathe, belonging to the technical field of machinery. Background Art

[0002] The workpieces processed by large-scale automated horizontal lathe machining centers are heavy and of large specifications. When performing different processing steps on the same workpiece, different types of machine tools need to be replaced for processing. When the workers replace different tools, tool holders or disassemble and assemble workpieces, it is time-consuming and laborious, affecting the workpiece processing efficiency and machine tool capacity; if the tool holder is replaced manually, the positioning accuracy and repeatability of the tool holder are difficult to guarantee, and the auxiliary time of the workers on the machine tool is greatly increased. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, the utility model provides a new type of zero-point positioning quick-change device for the horizontal lathe tool holder, which enables the horizontal turning machining center to have higher positioning accuracy and repeat positioning accuracy when replacing the tool holder, continuously reduces the auxiliary time of the work, effectively improves the production efficiency, and increases the machine tool capacity.

[0004] The utility model adopts the following technical scheme to solve the technical problems: a novel zero-point positioning quick-change device for a turning and grinding tool holder of a horizontal lathe, comprising a turning tool holder or a grinding tool holder, a zero-point base, a zero-point chuck, a rivet and an upper tool holder, wherein the zero-point base is engaged with the upper end surface of the upper tool holder, the zero-point chuck is installed in the zero-point base, and the upper end surface of the zero-point chuck and the upper end surface of the zero-point base are on the same horizontal plane; a plurality of rivets which are spaced and evenly distributed are respectively installed on the lower end surface of the turning tool holder or the grinding tool holder, the turning tool holder or the grinding tool holder is installed on the zero-point chuck through the rivets, and the installation position of the rivet on the turning tool holder or the grinding tool holder and the connection position of the rivet on the zero-point chuck correspond to each other.

[0005] The pull nail is connected to the zero-point chuck by means of configuration matching, and is locked and separated by means of automatic clamping and pneumatic release.

[0006] The beneficial effects of the utility model are as follows: the utility model realizes the functions of installation, quick change and positioning of the turning tool holder and the tool grinding holder, and can enable the horizontal turning machining center to have higher positioning accuracy and repeated positioning accuracy when replacing the tool holder, continuously reduce the auxiliary time of the staff, effectively improve the production efficiency, and improve the production capacity of the machine tool; it solves the difficult problems of installation, quick change and positioning of the turning tool holder and the tool grinding holder of the large horizontal turning machining center. The design of the device has high promotion for large horizontal turning machining centers, is easy to operate, and is safe and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0008] Figure 1 It is a schematic diagram of the utility model when the turning tool holder is installed.

[0009] Figure 2 It is a schematic diagram of the utility model when the knife sharpening rack is installed.

[0010] Figure 3 It is a top view of the zero point base of the utility model.

[0011] Figure 4 It is a top view of the zero-point chuck of the utility model installed on the zero-point base.

[0012] Numbers in the figure:

[0013] 1. Turning tool holder, 2. Sharpening tool holder, 3. Zero point base, 4. Zero point chuck, 5. Pull rivet, 6. Upper tool holder. DETAILED DESCRIPTION

[0014] like Figure 1 As shown in FIG. 4 , a novel zero-point positioning quick-change device for a tool rest of a horizontal lathe comprises a tool rest 1 or a tool rest 2, a zero-point base 3, a zero-point chuck 4, a rivet 5 and an upper tool rest 6, wherein the zero-point base 3 is engaged with the upper end surface of the upper tool rest 6, the zero-point chuck 4 is installed in the zero-point base 3, and the upper end surface of the zero-point chuck 4 is on the same horizontal plane as the upper end surface of the zero-point base 3; a plurality of rivets 5 which are spaced and evenly distributed are respectively installed on the lower end surface of the tool rest 1 or the tool rest 2, the tool rest 1 or the tool rest 2 is installed on the zero-point chuck 4 through the rivets 5, and the installation position of the rivet 5 on the tool rest 1 or the tool rest 2 and the connection position of the rivet 5 on the zero-point chuck 4 correspond to each other.

[0015] The pull nail 5 is connected to the zero-point chuck 4 by means of configuration and matching, and is locked and separated by means of automatic clamping and pneumatic release.

[0016] During use, the turning tool holder 1 (or grinding tool holder 2) is connected to the zero-point chuck 4 in the zero-point base 3 on the upper tool holder 6 through the pull pin 5 installed below itself. After the pull pin 5 enters the zero-point chuck 4, the pull pin 5 is clamped by the bayonet in the zero-point chuck 4, so that the zero-point chuck 4 can quickly position and lock the pull pin 5, and the positioning and clamping are carried out simultaneously. When the grinding process is carried out after the turning process is completed, the zero-point chuck 4 is opened for ventilation, so that the zero-point chuck 4 and the pull pin 5 can be docked or removed. The inner bayonet of the zero-point chuck 4 is loosened by pneumatic means, the rivet 5 is loosened by pneumatic loosening, and the tool holder 1 (or tool grinding holder 2) is removed and replaced with the tool grinding holder 2 (or tool holder 1), so as to realize the installation, quick change and positioning functions of the tool holder 1 and the tool grinding holder 2, so that the horizontal turning machining center has higher positioning accuracy and repeated positioning accuracy when replacing the tool holder, thereby reducing the auxiliary time in the machining or detection process, ensuring the continuity of work, and improving the actual machining efficiency of the machine tool.

Claims

1. A new type of zero-point positioning quick-change device for a horizontal lathe tool holder, characterized in that: The invention comprises a turning tool holder (1) or a tool grinding holder (2), a zero point base (3), a zero point chuck (4), a rivet (5) and an upper tool holder (6), wherein the zero point base (3) is engaged with the upper end surface of the upper tool holder (6), and the zero point chuck (4) is installed in the zero point base (3); a plurality of rivets (5) are respectively installed on the lower end surface of the turning tool holder (1) or the tool grinding holder (2), and the turning tool holder (1) or the tool grinding holder (2) is installed on the zero point chuck (4) through the rivets (5), and the installation position of the rivets (5) on the turning tool holder (1) or the tool grinding holder (2) corresponds to the connection position of the rivets (5) on the zero point chuck (4).

2. According to claim 1, a novel zero-point positioning quick-change device for a horizontal lathe tool grinding frame is characterized in that: The pull nail (5) is connected to the zero-point chuck (4) by means of configuration matching, and is fixed and separated by means of automatic clamping and pneumatic loosening.

3. According to claim 1, the novel zero-point positioning quick-change device for the tool grinding frame of a horizontal lathe is characterized by: The upper end surface of the zero point chuck (4) and the upper end surface of the zero point base (3) are on the same horizontal plane.