Machine tool with automatic tool changing structure

Abstract

According to the machine tool with the automatic tool changing structure, the automatic tool changing device is directly arranged on the machine tool body, and compared with a structure in the prior art that a tool arrangement magazine is arranged outside the machine tool and a mechanical arm is adopted for clamping and changing, the machine tool with the automatic tool changing structure reduces the occupied area and the production cost. Moreover, in the design, the automatic tool changing structure is composed of a sliding base, a tool magazine installation base and a tool clamping piece, the sliding base is fixed to one side of the machining part, the tool magazine installation base can slide on the sliding base in the direction of a machining device on the machine tool, and sliding of the tool magazine installation base is driven by a power mechanism. The tool clamping piece on the tool magazine installation base can provide stable and accurate clamping force for the machining tool on the machining device, and stable transition and efficient replacement of the tool in the tool changing process are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool technical field, concretely relates to a machine tool with automatic tool changing structure. BACKGROUND

[0002] In prior art, the tool magazine of machine tool is usually arranged outside the machine tool and is clamped by a mechanical arm to the machine tool for tool changing, which has high cost and large floor space, and the complicated operation and high precision requirement of the mechanical arm often lead to complicated tool changing process and errors, affecting the production efficiency and machining precision. SUMMARY

[0003] Therefore, the utility model provides a machine tool with automatic tool changing structure.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A machine tool with automatic tool changing structure, comprising a machine tool body and a machining device, a machining tool is arranged on the machining device, the machining device is arranged on the machine tool body, an automatic tool changing device is arranged on the machine tool body, the automatic tool changing device comprises a sliding seat, a tool magazine mounting seat and a tool clamp, the machine tool body has a machining part, the sliding seat is arranged on one side of the machining part, the tool magazine mounting seat is slidably arranged on the sliding seat, the tool clamp is arranged on the tool magazine mounting seat, and the tool magazine mounting seat drives the tool clamp to move towards the machining device to clamp and replace the machining tool on the machining device.

[0006] Preferably, a guide rail is formed on the sliding seat, a guide groove corresponding to the guide rail is formed at the bottom end of the tool magazine mounting seat, the tool magazine mounting seat is installed on the guide rail through the guide groove, a cylinder is arranged on one side of the tool magazine mounting seat, the cylinder is fixed on the sliding seat, the cylinder has a cylinder push rod, the two ends of the cylinder push rod are connected with the cylinder and the tool magazine mounting seat respectively, and the cylinder drives the tool magazine mounting seat to slide along the guide rail.

[0007] Preferably, the tool clamp is fixed at the top end of the tool magazine mounting seat, a plurality of tool clamps are arranged at equal intervals, an opening is formed on the tool clamp, the opening is directed towards the machining part, the opening is arranged in an arc structure, and a corresponding tool to be replaced is arranged in the opening of the tool clamp.

[0008] Preferably, the tool clamp has a first arc-shaped clamping arm and a second arc-shaped clamping arm, a tool inlet is formed between the first arc-shaped clamping arm and the second arc-shaped clamping arm, and the diameter of the tool inlet is smaller than the outer diameter of the tool to be replaced.

[0009] Preferably, the groove wall of the clamping groove has a tool limiting end which is protruded along the circumferential direction of the groove wall.

[0010] Preferably, the cylinder is arranged on both sides of the sliding seat, and the two sides of the bottom end of the tool magazine mounting seat protrude to form a cylinder connecting end. The cylinder connecting end and the tool magazine mounting seat are arranged in a vertical structure, and the cylinder push rod is connected to the cylinder connecting end.

[0011] Preferably, a cylinder limit block is provided on the sliding seat, and the cylinder limit blocks are provided at both ends of the cylinder. A cylinder connecting hole and a seat body connecting hole are opened on the cylinder limit block, and a first connecting member for connecting the cylinder and a second connecting member for connecting the sliding seat are respectively provided in the cylinder connecting hole and the seat body connecting hole.

[0012] The beneficial effect of the present invention is that by directly arranging the automatic tool changing device on the machine tool body, compared with the prior art structure that places the tool magazine outside the machine tool and uses a mechanical arm to clamp and replace the tool, the present design reduces the floor space and production costs. In addition, in the present design, the automatic tool changing structure is composed of a sliding seat, a tool magazine mounting seat and a tool clamping member. The sliding seat is fixed to one side of the processing part, and the tool magazine mounting seat can slide on the sliding seat, and the sliding direction is to slide in the direction of the processing device on the machine tool. The sliding of the tool magazine mounting seat is driven by a power mechanism, and the tool clamping member on the tool magazine mounting seat can provide a stable and precise clamping force for the processing tool on the processing device, ensuring a smooth transition and efficient replacement of the tool during the tool change process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Attachment Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Attachment Figure 2 For attachment Figure 1 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] The utility model provides the following technical solutions:

[0019] As attached Figures 1-2 As shown, the utility model discloses a machine tool with an automatic tool changing structure, including a machine tool body 1 and a processing device 2, a processing tool 3 is provided on the processing device 2, and the processing device 2 can move in the X-axis and Y-axis directions on the machine tool body 1, and the processing device 2 is arranged on the machine tool body 1, and an automatic tool changing device is provided on the machine tool body 1, and the automatic tool changing device includes a sliding seat 4, a tool magazine mounting seat 5 and a tool clamping member 6, the machine tool body 1 has a processing part 7, the sliding seat 4 is arranged on one side of the processing part 7, the tool magazine mounting seat 5 is slidably arranged on the sliding seat 4, and the tool clamping member 6 is arranged on the tool magazine mounting seat 5, and the tool magazine mounting seat 5 drives the tool clamping member 6 to move toward the processing device 2. After moving to the corresponding position, the processing device moves in the X-axis and Y-axis respectively, and then realizes the clamping and replacement of the processing tool 3 on the processing device 2. Specifically, in this design, by directly setting up an automatic tool changing device on the machine tool body 1, compared with the existing technology that prevents the tool magazine from being placed outside the machine tool and adopts a structure in which a robot arm is used to clamp and replace the tool, this design reduces the floor space and production costs. In addition, in this design, the automatic tool changing structure is composed of a sliding seat 4, a tool magazine mounting seat 5 and a tool clamping member 6. The sliding seat 4 is fixed to one side of the processing part 7, and the tool magazine mounting seat 5 can slide on the sliding seat 4, and the sliding direction is to slide toward the processing device 2 on the machine tool. The sliding of the tool magazine mounting seat 5 is driven by a power mechanism, and the tool clamping member 6 on the tool magazine mounting seat 5 can provide a stable and precise clamping force to the processing tool 3 on the processing device 2, ensuring a smooth transition and efficient replacement of the tool during the tool changing process.

[0020] Furthermore, a guide rail 17 is formed protruding from the sliding seat 4, and a guide groove 18 corresponding to the guide rail 17 is defined at the bottom of the tool magazine mounting seat 5. The tool magazine mounting seat 5 is mounted on the guide rail 17 via the guide groove 18. A cylinder 15 is provided on one side of the tool magazine mounting seat 5. The cylinder 15 is fixed to the sliding seat 4 and has a cylinder push rod 16. The two ends of the cylinder push rod 16 respectively connect the cylinder 15 and the tool magazine mounting seat 5. The cylinder 15 drives the tool magazine mounting seat 5 to slide along the guide rail 17. Specifically, in this embodiment, the tool magazine mounting seat 5 achieves smooth movement during the tool change process through the close fit between the guide rail 17 and the sliding seat 4. This design not only enhances the stability of the tool change process but also reduces errors caused by shaking. The cylinder 15 serves as a power mechanism, driving the tool magazine mounting seat 5 to reach the designated position quickly and accurately. This ensures that unnecessary lateral force is not applied to the tool magazine mounting seat 5 during the pushing process, further ensuring the stability of the tool change process.

[0021] Furthermore, the tool clamping member 6 is fixed on the top of the tool magazine mounting seat 5, and a number of the tool clamping members 6 are arranged at equal intervals. A clamping groove 8 with an opening facing the processing part 7 is provided on the tool clamping member 6, and the clamping groove 8 is arranged in an arc-shaped structure. The corresponding tools 12 to be replaced are respectively arranged in the clamping groove 8 of the tool clamping member 6. Specifically, in the present embodiment, each clamping member is independently and evenly spaced. Such a layout not only optimizes space utilization, but also ensures the smooth connection and disconnection of each tool during the tool change process. The arc-shaped structure design of the clamping groove 8 perfectly fits the outer contour of the tool, provides a firm and uniform clamping force, and effectively prevents the tool from accidentally falling off or being damaged during the tool change process. At the same time, the opening of the clamping groove 8 faces the processing part 7, so that the tool change action can be completed directly and efficiently, reducing unnecessary intermediate links and improving overall work efficiency.

[0022] Furthermore, the tool clamp 6 includes a first curved clamp arm 9 and a second curved clamp arm 10, forming a tool inlet 11 between the first curved clamp arm 9 and the second curved clamp arm 10. The diameter of the tool inlet 11 is smaller than the outer diameter of the tool 12 to be replaced. Specifically, in this embodiment, when the cylinder 15 pushes the tool magazine mounting base 5 toward the processing device 2, the first curved clamp arm 9 and the second curved clamp arm 10 gradually move closer together until the diameter of the tool inlet 11 slightly contracts, generating a slight elastic pressure that is just enough to firmly clamp the tool 12 to be replaced within the clamping groove 8. This design ensures stable clamping while avoiding damage to the tool caused by over-tightening.

[0023] Furthermore, the groove wall of the clamping groove 8 has a tool limiting end 13 protruding along the circumferential direction of the groove wall of the clamping groove 8. Specifically, in this embodiment, both the tool 12 to be replaced and the processing tool 3 fixed on the processing device 2 have a limiting ring groove 14 corresponding to the tool limiting end 13. The limiting ring groove 14 is tightly matched with the tool limiting end 13 in the clamping groove 8 to form a double locking structure, which further enhances the stability and safety of the tool during the tool changing process. The design of the tool limiting end 13 not only ensures that the tool will not loosen or shift due to vibration in the clamping groove 8, but also avoids the problem of tool damage or reduced processing accuracy caused by improper clamping. In addition, the tool limiting end 13 also has an automatic calibration function. When the tool is clamped into the clamping groove 8, the limiting end will guide the tool to automatically adjust to the correct position to ensure that the axis of the tool is accurately aligned with the rotation center of the processing device 2. This design simplifies the complexity of the tool changing operation and improves the accuracy and efficiency of the tool changing.

[0024] Furthermore, the cylinder 15 is arranged on both sides of the sliding seat 4, and the two sides of the bottom end of the tool magazine mounting seat 5 protrude to form a cylinder connecting end 19. The cylinder connecting end 19 and the tool magazine mounting seat 5 are arranged in a vertical structure, and the cylinder push rod 16 is connected to the cylinder connecting end 19. Specifically, in this embodiment, the double-sided layout design of the cylinder 15 significantly enhances the stability and balance of the tool changing system. By distributing the cylinders 15 on both sides of the sliding seat 4, it is possible to evenly apply force to the tool magazine mounting seat 5, effectively avoiding the deflection or vibration problems that may be caused by unilateral drive. The vertical structural design of the cylinder connecting end 19 and the tool magazine mounting seat 5 not only ensures the stability of the connection, but also optimizes the force transmission path, so that the thrust of the cylinder 15 can be directly and efficiently transmitted to the tool magazine mounting seat 5, thereby achieving a fast and smooth sliding action.

[0025] Furthermore, the sliding seat 4 is provided with cylinder stoppers 20, which are positioned at both ends of the cylinder 15. The cylinder stoppers 20 define a cylinder connection hole 21 and a seat body connection hole 22. A first connector (not shown) for connecting the cylinder 15 and a second connector (not shown) for connecting the sliding seat 4 are disposed within the cylinder connection hole 21 and the seat body connection hole 22, respectively. Specifically, in this embodiment, both the first and second connectors are bolts. The cylinder stoppers 20 limit the position of the cylinder 15 on the sliding seat 4, ensuring stability during operation.

[0026] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A machine tool with an automatic tool changing structure, comprising a machine tool body and a processing device, wherein a processing tool is provided on the processing device, and wherein the processing device is provided on the machine tool body, wherein: An automatic tool changing device is provided on the machine tool body, and the automatic tool changing device includes a sliding seat, a tool magazine mounting seat and a tool clamping member. The machine tool body has a processing part, the sliding seat is provided on one side of the processing part, the tool magazine mounting seat is slidably provided on the sliding seat, and the tool clamping member is provided on the tool magazine mounting seat. The tool magazine mounting seat drives the tool clamping member to move toward the processing device to clamp and replace the processing tool on the processing device.

2. The machine tool with an automatic tool changing structure according to claim 1, characterized in that: A guide rail is formed on the sliding seat, and a guide groove corresponding to the guide rail is provided at the bottom of the tool magazine mounting seat. The tool magazine mounting seat is installed on the guide rail through the guide groove. A cylinder is provided on one side of the tool magazine mounting seat, and the cylinder is fixed on the sliding seat. The cylinder has a cylinder push rod, and the two ends of the cylinder push rod are respectively connected to the cylinder and the tool magazine mounting seat, and the cylinder drives the tool magazine mounting seat to slide along the guide rail.

3. The machine tool with an automatic tool changing structure according to claim 1, wherein: The tool clamping part is fixed on the top of the tool magazine mounting seat. The tool clamping parts are arranged at equal intervals. A clamping groove with an opening facing the processing part is provided on the tool clamping part. The clamping groove is arranged in an arc-shaped structure. Corresponding tools to be replaced are respectively arranged in the clamping grooves of the tool clamping parts.

4. The machine tool with an automatic tool changing structure according to claim 3, characterized in that: The tool clamping member comprises a first arc-shaped clamping arm and a second arc-shaped clamping arm, wherein a tool entrance is formed between the first arc-shaped clamping arm and the second arc-shaped clamping arm, and the diameter of the tool entrance is smaller than the outer diameter of the tool to be replaced.

5. The machine tool with an automatic tool changing structure according to claim 3, characterized in that: The groove wall of the clamping groove is provided with a tool limiting end protruding along the circumferential direction of the groove wall of the clamping groove.

6. The machine tool with an automatic tool changing structure according to claim 2, wherein: The cylinder is arranged on both sides of the sliding seat, and the two sides of the bottom end of the tool magazine mounting seat protrude to form a cylinder connecting end. The cylinder connecting end and the tool magazine mounting seat are arranged in a vertical structure, and the cylinder push rod is connected to the cylinder connecting end.

7. The machine tool with an automatic tool changing structure according to claim 2, wherein: A cylinder limit block is provided on the sliding seat, and the cylinder limit blocks are provided at both ends of the cylinder. A cylinder connecting hole and a seat body connecting hole are provided on the cylinder limit block, and a first connecting member for connecting the cylinder and a second connecting member for connecting the sliding seat are respectively provided in the cylinder connecting hole and the seat body connecting hole.

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