Compact vertical tool magazine

Abstract

A compact straight-row tool magazine includes a tool magazine seat, a limit structure that cooperates with the tool magazine seat to limit the rising state of a tool holder seat, a plurality of vertical holes are provided on the tool magazine seat, the tool holder seat is provided at the upper end of the vertical holes, and each tool holder seat is provided with a tool hole; an elastic member is provided in each vertical hole, the upper end of the elastic member is against the lower bottom surface of the tool holder seat, and the distance between the axis centers of the tool holes of adjacent tool holder seats is less than the radius of the spindle. In the case of the same outer dimensions, more tools can be arranged in this practical type, and an elastic member is provided under each tool holder seat to ensure that the surrounding tools can achieve elastic avoidance when changing tools, thereby not affecting normal tool change.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled machine tools, in particular to a compact straight-row tool magazine. Background Art

[0002] At present, the distance between the tools in the common CNC straight tool magazine is larger than the spindle radius to ensure that there is no interference between the spindle and the adjacent tools when the spindle is picking up and placing the tools. For example, a straight tool magazine disclosed in Chinese patent document CN 109848746 A belongs to this category.

[0003] This traditional structure of straight-row tool magazine has the following defects: First, due to the limitation of the size of the tool magazine, the number of tools that can be loaded in the tool magazine is limited, which cannot meet the processing requirements of a large number of tools; second, the tool magazine occupies a large space on the machine, and is usually suspended on the column of the machine, and cannot ensure that the position is relatively fixed with the Y-axis of the machine; the tool magazine needs to be driven by another set of motors separately for advance and retreat. During use, the position accuracy of the tool magazine is often easily misaligned due to wear of accessories in the two drive systems. Misalignment of the tool magazine will cause tool collision when retrieving and returning tools; this type of tool magazine is very inconvenient to maintain, because the tool magazine is assembled on a separate drive. Once the tool magazine is misaligned due to a collision, the entire positioning structure must be recalibrated, and the machine manufacturer is often required to come to the site for debugging, which seriously affects production efficiency.

[0004] Therefore, there is still a lot of room for improvement in the traditional straight-row tool magazine. Utility Model Content

[0005] The utility model provides a compact straight-row tool magazine which can accommodate more tools under the condition of the same outer dimensions.

[0006] The utility model provides a compact straight-row tool magazine, comprising a tool magazine seat, a limiting structure cooperating with the tool magazine seat and used for limiting the rising state of a tool clamp seat, wherein a plurality of vertical holes are arranged on the tool magazine seat, the tool clamp seat is arranged at the upper end of the vertical holes, and each of the tool clamp seats is respectively provided with a tool hole; an elastic member is respectively provided in each of the vertical holes, and the upper end of the elastic member is against the lower bottom surface of the tool clamp seat, and the distance between the axial centers of the tool holes of adjacent tool clamp seats is less than the radius of the spindle.

[0007] As an improvement to the present invention, the elastic member is a spring or a rubber elastic member.

[0008] As an improvement to the present utility model, the vertical hole is a through hole, a tool magazine fixing plate is provided on the lower bottom surface of the tool magazine seat, and the lower end of the elastic member abuts against the inner bottom surface of the tool magazine fixing plate.

[0009] As an improvement to the utility model, at least two positioning pins are provided on the tool magazine fixing plate, and the positioning pins are inserted into the positioning holes.

[0010] As an improvement to the present utility model, the limiting structure is a positioning plate, which is arranged on the upper bottom surface of the tool magazine seat, and is provided with a plurality of tool holder seat positioning holes allowing the tool holder seat body to pass through; the lower bottom surface of the positioning plate cooperates with the limiting convex ring to position the tool holder seat on the tool magazine seat.

[0011] As an improvement to the present utility model, the limiting structure is a positioning screw sleeve having a tool holder seat positioning hole, an external thread is provided on the outer wall of the positioning screw sleeve, an internal thread is provided on the inner wall of the vertical hole, the external thread is threadedly connected with the internal thread, and the positioning screw sleeve cooperates with the limiting convex ring to position the tool holder seat on the tool magazine seat.

[0012] As an improvement to the present invention, the limiting structure is a screw rod, which extends from the side of the tool magazine seat and is threadedly connected to the tool magazine seat. The inner end of the screw rod cooperates with the limiting convex ring to position the tool clamp seat on the tool magazine seat.

[0013] The utility model adopts a tool magazine seat, a limiting structure that cooperates with the tool magazine seat to limit the rising state of the tool holder seat, a plurality of vertical holes are provided on the tool magazine seat, a tool holder seat with a tool hole is provided at the upper end of each vertical hole, and the tool holder seat has a limiting convex ring; an elastic member is provided in each vertical hole, the upper end of the elastic member is against the lower bottom surface of the tool holder seat, and the distance between the axis centers of the tool holes of adjacent tool holder seats is less than the radius of the spindle. In this way, the utility model can be provided with more tools under the same external dimensions, and an elastic member is provided under each tool holder seat to ensure that the surrounding tools can achieve elastic avoidance when changing tools, thereby not affecting normal tool change. In addition, the utility model has a compact structure and a small size. When in use, it can be installed on the work surface of the machine tool, which can ensure that the tool magazine and the Y-axis position of the machine are relatively fixed. This makes it easy for users to maintain the tool without the need for machine tool manufacturers to come to the site for maintenance, saving maintenance costs and time. Furthermore, the tool magazine is directly fixed on the work surface without the need for advance and retreat, and the motor drive system can be omitted. The existing technology does not cause the tool magazine position accuracy to be easily misaligned due to wear of accessories in the two drive systems, and the misalignment of the tool magazine will cause the tool to collide when it is retrieved and returned. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the first embodiment of the utility model.

[0015] Figure 2 yes Figure 1The cross-sectional structure diagram of the embodiment shown.

[0016] Figure 3 yes Figure 1 The illustrated embodiment is a schematic diagram of a structure in a usage state, which is a clamping state.

[0017] Figure 4 yes Figure 1 The schematic structural diagram of another usage state of the embodiment shown is the main shaft pressed down state.

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the second embodiment of the utility model.

[0019] Figure 6 yes Figure 5 Schematic diagram of the combined three-dimensional structure. DETAILED DESCRIPTION

[0020] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] like Figures 1 to 4 As shown, Figures 1 to 4 The first embodiment of a compact straight-row tool magazine is disclosed, comprising a tool magazine seat 2, a limiting structure that cooperates with the tool magazine seat 2 to limit the rising state of a tool holder seat 4, a plurality of vertical holes 5 are provided on the tool magazine seat 2, a tool holder seat 4 with a tool hole is provided at the upper end of each of the vertical holes 5, and the tool holder seat 4 has a limiting convex ring 41; an elastic member 6 is provided in each of the vertical holes 5, and the upper end of the elastic member 6 abuts against the lower bottom surface of the tool holder seat 4 to keep the tool holder seat 4 in an ascending state, and the distance H between the axial centers of the tool holes of adjacent tool holder seats 4 is less than the radius of the spindle. In this embodiment, the limiting structure is a positioning plate 3, the positioning plate 3 is provided on the upper bottom surface of the tool magazine seat 2, and a plurality of tool holder seat positioning holes that allow the tool holder seat body to pass through are provided on the positioning plate 3; the lower bottom surface of the positioning plate 3 cooperates with the limiting convex ring 41 to position the tool holder seat 4 on the tool magazine seat 2.

[0022] Due to the above structure, the utility model can be provided with more tools under the same outer dimensions. An elastic member 6 is provided under each tool holder seat 4 to ensure that the surrounding tools 7 can be elastically avoided when changing tools. That is to say, other tools within the radius of the spindle 8 can be pressed down. Since the elastic member 6 can be compressed (see Figure 4); Even if there are other tools 7 within the radius or diameter of the spindle 8, it will not affect the normal tool change of the spindle 8. In this way, more tools 7 can be stored in the tool magazine of the same size without affecting the normal tool change. In addition, the utility model has a compact structure and a small size. When in use, it can be directly installed on the work surface of the machine tool through the screw hole 12. In this way, the Y-axis position of the tool magazine and the machine can be relatively fixed, which is convenient for users to repair by themselves, without the need for on-site repair by machine tool manufacturers, saving maintenance costs and maintenance time; in addition, the tool magazine is directly fixed on the work surface, without the need for advance and retreat, and the advance and retreat drive system can be omitted, so there will be no problems in the prior art such as the wear of accessories in the two drive systems, which will cause the tool magazine position accuracy to be easily offset, and the misalignment of the tool magazine will cause the problem of tool collision when retrieving and returning the tool.

[0023] Preferably, the elastic member 6 is a spring or a rubber elastic member.

[0024] Preferably, the vertical hole 5 is a through hole, a tool magazine fixing plate 1 is provided on the lower bottom surface of the tool magazine seat 2 , and the lower end of the elastic member 6 abuts against the inner bottom surface of the tool magazine fixing plate 1 .

[0025] Preferably, at least two positioning pins are provided on the tool magazine fixing plate 1 , and the positioning pins are inserted into the positioning holes 11 .

[0026] Preferably, a tool magazine fixing plate 1 is provided on the lower bottom surface of the tool magazine seat 2, and is connected to other objects through the tool magazine fixing plate 1.

[0027] See also Figure 5 and Figure 6 , Figure 5 and Figure 6 The second embodiment of the utility model is disclosed. Compared with the first embodiment, the second embodiment has the same general structure, except that the positioning plate 3 in the first embodiment is replaced by a positioning screw sleeve 31. Specifically, the limiting structure is a positioning screw sleeve 31 having a tool holder seat positioning hole 311, an external thread 312 is provided on the outer wall of the positioning screw sleeve 31, an internal thread 51 is provided on the inner wall of the vertical hole 5, the external thread 312 is threadedly connected with the internal thread 51, and the positioning screw sleeve 31 cooperates with the limiting convex ring 41 to position the tool holder seat 4 on the tool magazine seat 2.

[0028] Preferably, the limiting structure can also be a screw (not shown), which extends from the side of the tool magazine seat 2 and is threadedly connected to the tool magazine seat 2. The inner end of the screw cooperates with the limiting convex ring 41 to position the tool clamp seat 4 on the tool magazine seat 2.

[0029] Preferably, the limiting structure is a screw (not shown), which extends from the side of the tool magazine seat 2 and is threadedly connected to the tool magazine seat 2. An axial groove of a predetermined length is provided on the outer wall of the tool clamp seat 4. The inner end of the screw extends into the axial groove to position the tool clamp seat 4 on the tool magazine seat 2.

[0030] Although preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they are aware of the basic creative concepts. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention. Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A compact straight-row tool magazine, comprising a tool magazine seat (2), characterized in that: It also includes a limiting structure that cooperates with the tool magazine seat (2) to limit the rising state of the tool clamp seat (4); a plurality of vertical holes (5) are provided on the tool magazine seat (2); the tool clamp seat (4) is provided at the upper end of the vertical holes (5); each of the tool clamp seats (4) is provided with a tool hole; an elastic member (6) is provided in each of the vertical holes (5); the upper end of the elastic member (6) abuts against the lower bottom surface of the tool clamp seat (4); and the distance (H) between the axial centers of the tool holes of adjacent tool clamp seats (4) is smaller than the radius of the spindle.

2. The compact straight tool magazine according to claim 1, characterized in that: The elastic member (6) is a spring or a rubber elastic member.

3. The compact straight tool magazine according to claim 1 or 2, characterized in that: The vertical hole (5) is a through hole. A tool magazine fixing plate (1) is provided on the lower bottom surface of the tool magazine seat (2). The lower end of the elastic member (6) abuts against the inner bottom surface of the tool magazine fixing plate (1).

4. The compact straight tool magazine according to claim 3, characterized in that: At least two positioning pins are provided on the tool magazine fixing plate (1), and the positioning pins are inserted into the positioning holes (11).

5. The compact straight tool magazine according to claim 1 or 2, characterized in that: A tool magazine fixing plate (1) is provided on the lower bottom surface of the tool magazine seat (2).

6. The compact straight tool magazine according to claim 1 or 2, characterized in that: The limiting structure is a positioning plate (3), and the positioning plate (3) is arranged on the upper bottom surface of the tool magazine seat (2). The positioning plate (3) is provided with a plurality of tool holder seat positioning holes that allow the tool holder seat body to pass through; the lower bottom surface of the positioning plate (3) cooperates with the limiting convex ring (41) of the tool holder seat (4) to position the tool holder seat (4) on the tool magazine seat (2).

7. The compact straight tool magazine according to claim 1 or 2, characterized in that: The limiting structure is a positioning screw sleeve (31) having a tool holder seat positioning hole (311), an external thread is provided on the outer wall of the positioning screw sleeve (31), an internal thread is provided on the inner wall of the vertical hole (5), the external thread is threadedly connected with the internal thread, and the positioning screw sleeve (31) cooperates with the limiting convex ring (41) of the tool holder seat (4) to position the tool holder seat (4) on the tool magazine seat (2).

8. The compact straight tool magazine according to claim 1 or 2, characterized in that: The limiting structure is a screw rod, which extends from the side of the tool magazine seat (2) and is threadedly connected to the tool magazine seat (2), and the inner end of the screw rod cooperates with the limiting convex ring (41) of the tool clamp seat (4) to position the tool clamp seat (4) on the tool magazine seat (2).

9. The compact straight tool magazine according to claim 1 or 2, characterized in that: The limiting structure is a screw rod, which extends from the side of the tool magazine seat (2) and is threadedly connected to the tool magazine seat (2). An axial groove of a predetermined length is provided on the outer wall of the tool clamp seat (4). The inner end of the screw rod extends into the axial groove to position the tool clamp seat (4) on the tool magazine seat (2).

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