Tool changing device for fixed-beam gantry machining center

Abstract

The embodiment of the utility model provides a tool changing device for a fixed-beam gantry machining center, which is characterized by comprising a mounting seat, a supporting column is fixedly connected to the top of the mounting seat, a fixed cylinder is fixedly connected to the top of the supporting column, a movable cylinder is movably connected in the fixed cylinder, a first threaded rod is arranged in the movable cylinder, and a second threaded rod is arranged in the first threaded rod. Threads matched with the first threaded rod are formed in the inner wall of the movable barrel, the left end of the first threaded rod is movably connected with the inner wall of the left side of the fixed barrel through a bearing, and the left end of the first threaded rod penetrates through an inner ring of the bearing, extends to the left side of the fixed barrel and is fixedly connected with a first servo motor; the right wall of the first servo motor is fixedly connected with the left wall of the fixing cylinder through a connecting rod. Through a series of structures, the device has the advantages that tool changing is convenient and fast, and the like.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of fixed-beam gantry machining, and in particular to a tool changing device for a fixed-beam gantry machining center. Background Art

[0002] The fixed-beam gantry machining center is a product of the fixed-beam gantry series boring and milling machines with a movable workbench independently developed. On the basis of inheriting the advantages of the traditional gantry machine tool, such as strong rigidity of the basic frame, symmetric structure, and strong stability, the series of products introduce the international advanced dynamic rigidity design concept, all adopt PRO / E three-dimensional design, and the main structures of the machine tool are all analyzed by finite element. By optimizing the rib structure and reasonably distributing the mass, the moving parts are optimized; the existing tool changing device for the fixed-beam gantry machining center has problems such as inconvenient tool changing when in use. For this, we propose a tool changing device for a fixed-beam gantry machining center. Summary of the Utility Model

[0003] In view of the above problems, the embodiments of the present application provide a tool changing device for a fixed-beam gantry machining center to solve the problem of inconvenient tool changing of the existing tool changing device for a fixed-beam gantry machining center.

[0004] A tool changing device for a fixed-beam gantry machining center, characterized by comprising: a mounting seat, a support column is fixedly connected to the top of the mounting seat, a fixed cylinder is fixedly connected to the top of the support column, a movable cylinder is movably connected in the fixed cylinder, a first threaded rod is arranged in the movable cylinder, and a thread matching the first threaded rod is provided on the inner wall of the movable cylinder. The left end of the first threaded rod is movably connected to the left inner wall of the fixed cylinder through a bearing. The left end of the first threaded rod passes through the inner ring of the bearing and extends to the left side of the fixed cylinder, and is fixedly connected to a first servo motor. The right wall of the first servo motor is fixedly connected to the left wall of the fixed cylinder through a connecting rod. A fixed beam is fixedly connected to the right wall of the movable cylinder. An L-shaped plate is movably connected to the right wall of the fixed beam. A movable block is fixedly connected to the inner wall of the right side of the L-shaped plate near the middle, and a movable groove matching the movable block is provided on the right wall of the fixed beam. A threaded hole is provided on the front wall of the movable block, and a second threaded rod is threadedly connected in the threaded hole. The front and rear walls of the second threaded rod are movably connected to the inner wall of the movable groove through bearings. The rear end of the second threaded rod passes through the inner ring of the bearing and extends to the rear of the fixed beam, and is fixedly connected to a second servo motor. The front wall of the second servo motor is fixedly connected to the rear wall of the fixed beam through a connecting rod. A placing plate is fixedly connected to the upper part of the right wall of the L-shaped plate. A plurality of slots are provided on the right wall of the placing plate and are evenly distributed in the front-rear direction. Tools are arranged in the slots.

[0005] In some embodiments, limiting blocks are fixedly connected to both the top and bottom of the movable cylinder near the left side, and limiting grooves matching the limiting blocks are provided on both the top and bottom of the inner cavity of the fixed cylinder.

[0006] In some embodiments, the inner wall of the limiting groove is polished.

[0007] In some embodiments, support blocks are fixedly connected to the top of the inner cavity of the L-shaped plate near the front and rear, and T-shaped grooves matching the support blocks are formed in the top of the fixed beam. First limiting wheels are movably connected to the left and right side walls of the support blocks through rotating shafts and bearings.

[0008] In some embodiments, the inner wall of the T-shaped groove is polished.

[0009] In some embodiments, two grooves arranged in the front-rear direction are formed in the bottom of the movable block near the right side. Second limiting wheels are movably connected to the inner walls of the grooves through rotating shafts and bearings, and a sliding groove matching the second limiting wheels is formed in the bottom of the inner cavity of the movable groove.

[0010] In some embodiments, the inner wall of the sliding groove is polished.

[0011] The above description is only an overview of the technical solutions of the embodiments of the present application. In order to understand the technical means of the embodiments of the present application more clearly, it can be implemented according to the content of the specification. In order to make the above and other purposes, features and advantages of the embodiments of the present application more obvious and understandable, the following specific embodiments of the present application are specifically given. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0013] Figure 1 It is a schematic structural diagram of the present utility model.

[0014] Figure 2 It is a top view of the fixed beam of the present utility model.

[0015] Figure 3 It is a perspective view of the fixed beam of the present utility model.

[0016] Figure 4 It is Figure 1 The enlarged view of part A in

[0017] Figure 5 It is Figure 1 The enlarged view of part B in

[0018] Description of the reference numerals:

[0019] 1. Mounting seat; 2. Support column; 3. Fixed cylinder; 4. First servo motor; 5. First threaded rod; 6. Limit block; 7. Movable cylinder; 8. Movable block; 9. Cutting tool; 10. Storage plate; 11. L-shaped plate; 12. Second threaded rod; 13. Support block; 14. First limit wheel; 15. Second limit wheel; 16. Fixed beam; 17. Second servo motor. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0021] The terms "including" and "having" and any variations thereof in the specification, claims and drawings of this application are intended to cover but not exclude other contents. The word "a" or "an" does not exclude the existence of a plurality. Unless otherwise specified, the meaning of "plurality" refers to more than two (including two), and similarly, "multiple groups" refers to more than two (including two).

[0022] The directional words appearing in the following description are all directions shown in the drawings, and do not limit the specific structure of the present application. For example, in the description of the present application, the directions or positional relationships indicated by the terms "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application.

[0023] In addition, the expressions of indicated directions such as the X direction, the Y direction, and the Z direction used to illustrate the operation and construction of the components of the present embodiment are not absolute but relative, and although these indications are appropriate when the components are in the positions shown in the figures, when these positions are changed, these directions should be interpreted differently to correspond to the changes.

[0024] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, the "connection" or "coupling" of mechanical structures may refer to a physical connection, such as a fixed connection, a detachable connection, or an integral connection. The "connection" or "coupling" of circuit structures may refer not only to a physical connection but also to an electrical connection or a signal connection. For example, it may be a direct connection, i.e., a physical connection, or an indirect connection through at least one intermediate element, as long as the circuit is connected. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0025] To facilitate the understanding of the technical solutions of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

[0026] A tool changing device for a fixed beam gantry machining center, comprising: a mounting base 1, a support column 2 is fixedly connected to the top of the mounting base 1, a fixed cylinder 3 is fixedly connected to the top of the support column 2, a movable cylinder 7 is movably connected in the fixed cylinder 3, limit blocks 6 are fixedly connected to both the top and the bottom of the movable cylinder 7 near the left side, and limit grooves matching the limit blocks 6 are provided on both the top and the bottom inner cavities of the fixed cylinder 3, the inner wall of the limit groove is polished, a first threaded rod 5 is arranged in the movable cylinder 7, and a thread matching the first threaded rod 5 is provided on the inner wall of the movable cylinder 7, the left end of the first threaded rod 5 is movably connected to the left inner wall of the fixed cylinder 3 through a bearing, the left end of the first threaded rod 5 passes through the inner ring of the bearing and extends to the left side of the fixed cylinder 3, and is fixedly connected with a first servo motor 4, the right wall of the first servo motor 4 is fixedly connected to the left wall of the fixed cylinder 3 through a connecting rod. By starting the first servo motor 4 to drive the first threaded rod 5 to rotate, the movable cylinder 7 can be displaced in the left-right direction under the limiting action of the limit blocks 6. A fixed beam 16 is fixedly connected to the right wall of the movable cylinder 7, an L-shaped plate 11 is movably connected to the right wall of the fixed beam 16, support blocks 13 are fixedly connected to both the front and the rear near the top inner cavity of the L-shaped plate 11, and T-shaped grooves matching the support blocks 13 are provided on the top of the fixed beam 16, both the left and right side walls of the support blocks 13 are movably connected with first limiting wheels 14 through rotating shafts and bearings, the inner wall of the T-shaped groove is polished, two grooves arranged along the front-rear direction are provided near the right side of the bottom of the movable block 8, second limiting wheels 15 are movably connected to the inner walls of the grooves through rotating shafts and bearings, and chutes matching the second limiting wheels 15 are provided on the bottom inner cavity of the movable groove, the inner wall of the chute is polished. A movable block 8 is fixedly connected to the right inner wall of the L-shaped plate 11 near the middle, and a movable groove matching the movable block 8 is provided on the right wall of the fixed beam 16. A threaded hole is provided on the front wall of the movable block 8, a second threaded rod 12 is threadedly connected in the threaded hole, both the front and the rear walls of the second threaded rod 12 are movably connected to the inner wall of the movable groove through bearings, the rear end of the second threaded rod 12 passes through the inner ring of the bearing and extends to the rear of the fixed beam 16, and is fixedly connected with a second servo motor 17, the front wall of the second servo motor 17 is fixedly connected to the rear wall of the fixed beam 16 through a connecting rod. A placement plate 10 is fixedly connected to the right wall of the L-shaped plate 11 near the upper side. By driving the second threaded rod 12 to rotate through the second servo motor 17, the movable block 8 can be displaced in the front-rear direction, thereby driving the placement plate 10 to be displaced in the front-rear direction for feeding and tool changing. A plurality of slots arranged along the front-rear direction are evenly distributed on the right wall of the placement plate 10, and tools 9 are arranged in the slots.

[0027] Those skilled in the art can understand that although some embodiments herein include certain features included in other embodiments rather than other features, the combination of features of different embodiments means that it is within the scope of this application and forms different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0028] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting it; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A tool changing device for a fixed beam gantry machining center, characterized in that, Including: Mounting base (1), a support column (2) is fixedly connected to the top of the mounting base (1), a fixed cylinder (3) is fixedly connected to the top of the support column (2), a movable cylinder (7) is movably connected inside the fixed cylinder (3), a first threaded rod (5) is arranged inside the movable cylinder (7), and a thread matching the first threaded rod (5) is provided on the inner wall of the movable cylinder (7). The left end of the first threaded rod (5) is movably connected to the left inner wall of the fixed cylinder (3) through a bearing. The left end of the first threaded rod (5) passes through the inner ring of the bearing and extends to the left side of the fixed cylinder (3), and is fixedly connected to a first servo motor (4). The right wall of the first servo motor (4) is fixedly connected to the left wall of the fixed cylinder (3) through a connecting rod. A fixed beam (16) is fixedly connected to the right wall of the movable cylinder (7). An L-shaped plate (11) is movably connected to the right wall of the fixed beam (16). A movable block (8) is fixedly connected to the inner right wall of the L-shaped plate (11) near the middle. And a movable groove matching the movable block (8) is provided on the right wall of the fixed beam (16). A threaded hole is provided on the front wall of the movable block (8). A second threaded rod (12) is threadedly connected inside the threaded hole. The front and rear walls of the second threaded rod (12) are movably connected to the inner wall of the movable groove through bearings. The rear end of the second threaded rod (12) passes through the inner ring of the bearing and extends to the rear of the fixed beam (16), and is fixedly connected to a second servo motor (17). The front wall of the second servo motor (17) is fixedly connected to the rear wall of the fixed beam (16) through a connecting rod. A placing plate (10) is fixedly connected to the upper right side of the L-shaped plate (11). A plurality of slots evenly distributed in the front-rear direction are provided on the right wall of the placing plate (10). A cutter (9) is arranged inside the slot.

2. The tool changing device for a fixed beam gantry machining center according to claim 1, characterized in that, Limit blocks (6) are fixedly connected to both the top and bottom of the movable cylinder (7) near the left side, and limit grooves matching the limit blocks (6) are provided on both the top and bottom inner cavities of the fixed cylinder (3).

3. The tool changing device for a fixed beam gantry machining center according to claim 2, characterized in that, The inner wall of the limit groove is polished.

4. The tool changing device for a fixed beam gantry machining center according to claim 1, characterized in that, Support blocks (13) are fixedly connected to both the front and rear of the inner cavity top of the L-shaped plate (11), and a T-shaped groove matching the support blocks (13) is provided on the top of the fixed beam (16). First limit wheels (14) are movably connected to both the left and right side walls of the support blocks (13) through rotating shafts and bearings.

5. The tool changing device for a fixed beam gantry machining center according to claim 4, characterized in that, The inner wall of the T-shaped groove is polished.

6. The tool changing device for a fixed beam gantry machining center according to claim 1, characterized in that, Two grooves arranged in the front-rear direction are provided at the bottom of the movable block (8) near the right side. Second limit wheels (15) are movably connected to the inner walls of the grooves through rotating shafts and bearings, and a sliding groove matching the second limit wheels (15) is provided at the bottom of the inner cavity of the movable groove.

7. The tool changing device for a fixed beam gantry machining center according to claim 6, characterized in that, The inner wall of the sliding groove is polished.

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