Cutter quick-changing unit for vertical and horizontal combined machining center

Abstract

The utility model belongs to the technical field of vertical and horizontal combined machining centers, and relates to a tool quick-changing unit for a vertical and horizontal combined machining center, which comprises a tool magazine frame arranged on the side of the vertical and horizontal combined machining center, a chain driven by a first driving device to circulate is arranged on the tool magazine frame, and a plurality of tool seats for accommodating tools are arranged on the chain. A tool changing base is hinged to the tool magazine frame, a tool changing arm is arranged on the tool changing base, a clamping jaw for clamping a tool is arranged at the end of the tool changing arm, the tool changing arm and the clamping jaw are located at the parallel position of the tool magazine frame in the initial state, and the tool changing arm is driven by a second driving device to rotate along a horizontal shaft. And the tool changing seat is driven by a third driving device to rotate along the vertical shaft. The quick tool changing unit for the vertical and horizontal combined machining center can be used for quick tool changing of the vertical and horizontal combined machining center so as to improve machining efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of vertical and horizontal composite machining centers, and relates to a tool quick-change unit for the vertical and horizontal composite machining centers. Background Art

[0002] Existing CNC machining machines are generally independent horizontal or independent vertical, that is, they can only select a pair of workpieces from the horizontal or vertical direction for vertical or parallel machining. However, for some more complex workpieces, there will be both horizontal and vertical machining points. When using existing independent machining machines to process such workpieces, it is necessary to use several machine tools with different performances to switch to complete the machining of the workpiece. In order to improve work efficiency, it is necessary to use a vertical and horizontal composite machining center to simultaneously process multiple machining points at different positions of the same workpiece. Designing a tool quick change unit for a vertical and horizontal composite machining center is of great significance to further improve machining efficiency. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a tool quick-change unit for a vertical and horizontal composite machining center, which can be used for quick tool change in the vertical and horizontal composite machining center to improve machining efficiency.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions:

[0005] A tool quick-change unit for a vertical and horizontal composite machining center comprises a tool magazine frame arranged on the side of the vertical and horizontal composite machining center, the tool magazine frame is provided with a chain driven by a first drive device, the chain is provided with a plurality of tool seats for accommodating tools, the tool magazine frame is hinged with a tool changing seat, the tool changing seat is provided with a tool changing arm, the end of the tool changing arm is provided with a clamping claw for clamping the tool, in an initial state, the tool changing arm and the clamping claw are in a parallel position to the tool magazine frame, the tool changing arm is driven by a second drive device to rotate along a horizontal axis, and the tool changing seat is driven by a third drive device to rotate along a vertical axis.

[0006] In the above-mentioned tool quick-change unit for a vertical and horizontal composite machining center, the tool changing arm is driven by the second driving device to rotate along the horizontal axis in units of 180°, and the tool changing seat is driven by the third driving device to rotate along the vertical axis in units of 90°.

[0007] In the above-mentioned tool quick-change unit for a vertical and horizontal composite machining center, the tool magazine frame is provided with a fixed seat extending outward, the middle part of the tool changing seat is hinged on the fixed seat, and the third driving device is a linear cylinder, the cylinder body of the linear cylinder is hinged to the fixed seat, and the piston rod is hinged to one end of the tool changing seat and drives the tool changing seat to rotate.

[0008] In the above-mentioned tool quick-change unit for a vertical and horizontal composite machining center, the second driving device is a rotary cylinder, the rotary cylinder is connected to the tool changing seat, the tool changing arm is sleeved on and fixedly connected to the piston rod of the rotary cylinder, and the piston rod of the rotary cylinder drives the tool changing arm and the clamp to rotate.

[0009] In the above-mentioned tool quick-change unit for a vertical and horizontal composite machining center, the middle part of the tool changing arm is connected to the piston rod of the rotary cylinder, and symmetrically distributed clamping claws are provided at both ends of the tool changing arm.

[0010] In the above-mentioned tool quick-change unit for a vertical and horizontal composite machining center, a horizontal slide rail is arranged on the side of the tool changer, and the rotary cylinder is slidably arranged in the slide rail and driven to slide horizontally by the fourth driving device.

[0011] In the above-mentioned tool quick-change unit for a vertical and horizontal composite machining center, the fourth driving device is an electric cylinder, the cylinder body of the electric cylinder is fixed on the tool change seat, and the piston rod is fixedly connected to the rotary cylinder and drives the rotary cylinder to slide horizontally. Furthermore, a guide rail in the same direction as the slide rail is provided on the cylinder body of the electric cylinder, and the rotary cylinder slides on the guide rail at the same time.

[0012] In the above-mentioned tool quick-change unit for a vertical and horizontal composite machining center, the first driving device is a motor, which is connected to the chain transmission through a driving sprocket, the driving sprocket is meshed with one end of the chain, and the other end of the chain is meshed with the driven sprocket, and a guide wheel is provided in the middle of the tool magazine frame, the inner side of the guide wheel is in contact with the outer side of the chain and makes the transmission direction of the chain concave inward.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model provides a tool quick-change unit for a vertical and horizontal composite machining center. Through the combination of multiple simple execution units, quick tool change from the tool magazine to the spindle can be achieved. Through quick tool change, the machining efficiency of the vertical and horizontal composite machining center can be further improved. The utility model does not use a complex manipulator unit and has the advantages of simple structure, accurate positioning, fast action, and stable tool change. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is an exploded view of the utility model without the tool magazine part;

[0017] Figure 3 This is the internal structure diagram of the tool magazine of the utility model;

[0018] Figure numerals: 1, tool magazine rack; 2, chain; 3, tool; 4, tool seat; 5, tool changing seat; 6, tool changing arm; 7, clamping claw; 8, second driving device; 9, third driving device; 10, fixed seat; 11, slide rail; 12, fourth driving device; 13, driving sprocket; 14, driven sprocket; 15, guide wheel. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the accompanying drawings. Figure 1-3 :

[0020] A tool quick-change unit for a vertical and horizontal composite machining center comprises a tool magazine frame 1 arranged on the side of the vertical and horizontal composite machining center, the tool magazine frame 1 is provided with a chain 2 driven by a first driving device, the chain 2 is provided with a plurality of tool seats 4 for accommodating tools 3, the tool magazine frame 1 is hinged with a tool changing seat 5, the tool changing seat 5 is provided with a tool changing arm 6, the end of the tool changing arm 6 is provided with a clamping claw 7 for clamping the tool 3, in an initial state, the tool changing arm 6 and the clamping claw 7 are in a parallel position to the tool magazine frame 1, the tool changing arm 6 is driven by a second driving device 8 to rotate along the horizontal axis in units of 180°, and the tool changing seat 5 is driven by a third driving device 9 to rotate along the vertical axis in units of 90°.

[0021] Compare with Figure 1 and attached Figure 2 The tool changing action of the utility model is: the first driving device drives the chain 2 to rotate, the chain 2 moves the tool 3 to be replaced to the tool changing position, then the tool changing seat 5 and the tool changing arm 6 are reset to the initial position, the clamping jaw 7 clamps the required tool 3, the third driving device 9 drives the tool changing seat 5 to rotate, the tool changing arm 6 and the clamping jaw 7 rotate accordingly, the tool 3 is pulled out of the tool seat 4, and after rotating 90°, the tool changing arm 6 is in a position perpendicular to the spindle, and the clamped tool 3 is parallel to the spindle, and then the spindle is moved up and down to the tool changing position, and then the second driving device 8 drives the tool changing arm 6 to rotate 180°, the tool 3 is flipped and inserted into the spindle at the same time, and the spindle clamps the tool 3 to complete the tool change.

[0022] In this embodiment, the specific structure of the third driving device 9 driving the tool changer 5 to rotate is: the tool magazine frame 1 is provided with a fixed seat 10 extending outward, the middle part of the tool changer 5 is hinged on the fixed seat 10, the third driving device 9 is a linear cylinder, the cylinder body of the linear cylinder is hinged to the fixed seat 10, the piston rod is hinged to one end of the tool changer 5 and drives the tool changer 5 to rotate, when the piston rod is extended, the tool changer 5 rotates 90 degrees from the initial position, and when the piston rod is retracted, the tool changer 5 returns to the initial position.

[0023] In this embodiment, the specific structure of the second driving device 8 driving the tool changing arm 6 to rotate is: the second driving device 8 is a rotary cylinder, the rotary cylinder is connected to the tool changing seat 5, the tool changing arm 6 is sleeved and fixedly connected to the piston rod of the rotary cylinder, and the piston rod of the rotary cylinder drives the tool changing arm 6 and the clamp 7 to rotate.

[0024] Furthermore, the middle of the tool changing arm 6 is connected to the piston rod of the rotating cylinder, and symmetrically distributed clamping jaws 7 are provided at both ends of the tool changing arm 6. During the tool changing process, the clamping jaw 7 at one end is used to clamp the tool 3 removed from the spindle, and the clamping jaw 7 at the other end is used to clamp the replaced tool 3. The tool seat 4 is provided with an elastic sheet for clamping the end of the tool 3. When the clamping jaw 7 drives the tool 3 to rotate, the tool 3 can be smoothly pulled out or inserted from the tool seat 4.

[0025] In order to adjust the position of the clamped tool 3 , a horizontal slide rail 11 is provided on the side of the tool changer 5 , and the rotary cylinder is slidably disposed in the slide rail 11 and driven to slide horizontally by a fourth drive device 12 .

[0026] Furthermore, the fourth driving device 12 is an electric cylinder, the cylinder body of the electric cylinder is fixed on the tool changer 5, and the piston rod is fixedly connected to the rotary cylinder and drives the rotary cylinder to slide horizontally. Furthermore, in order to make the rotary cylinder move more stably, a guide rail in the same direction as the slide rail 11 is provided on the cylinder body of the electric cylinder, and the rotary cylinder slides on the guide rail at the same time.

[0027] Compare with Figure 3 In this embodiment, the driving structure of the chain 2 is as follows: the first driving device is a motor, which is connected to the chain 2 through a driving sprocket 13, the driving sprocket 13 is meshed with one end of the chain 2, and the other end of the chain 2 is meshed with a driven sprocket 14. A guide wheel 15 is provided in the middle of the tool magazine frame 1, and the inner side of the guide wheel 15 is in contact with the outer side of the chain 2 and makes the transmission direction of the chain 2 concave inward. By providing the guide wheel 15, the number of teeth meshing with the driving sprocket 13, the driven sprocket 14 and the chain 2 can be increased, thereby achieving more stable transmission.

[0028] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tool quick-change unit for a vertical and horizontal composite machining center, comprising a tool magazine frame (1) arranged at the side of the vertical and horizontal composite machining center, a chain (2) driven by a first driving device for circulation is arranged on the tool magazine frame (1), and a plurality of tool seats (4) for accommodating tools (3) are arranged on the chain (2), characterized in that: The tool magazine frame (1) is hinged with a tool change seat (5), the tool change seat (5) is provided with a tool change arm (6), and the end of the tool change arm (6) is provided with a clamping claw (7) for clamping a tool (3). In an initial state, the tool change arm (6) and the clamping claw (7) are in a parallel position with the tool magazine frame (1), the tool change arm (6) is driven by a second driving device (8) to rotate along a horizontal axis, and the tool change seat (5) is driven by a third driving device (9) to rotate along a vertical axis.

2. The tool quick-change unit for a vertical and horizontal composite machining center according to claim 1, characterized in that: The tool magazine frame (1) is provided with a fixed seat (10) extending outward, the middle part of the tool change seat (5) is hinged on the fixed seat (10), the third driving device (9) is a linear cylinder, the cylinder body of the linear cylinder is hinged to the fixed seat (10), and the piston rod is hinged to one end of the tool change seat (5) and drives the tool change seat (5) to rotate.

3. The tool quick-change unit for a vertical and horizontal composite machining center according to claim 1, characterized in that: The second driving device (8) is a rotary cylinder, which is connected to the tool changing seat (5), and the tool changing arm (6) is sleeved on and fixedly connected to the piston rod of the rotary cylinder.

4. The tool quick-change unit for a vertical and horizontal composite machining center according to claim 3, characterized in that: The middle part of the tool changing arm (6) is connected to the piston rod of the rotary cylinder, and symmetrically distributed clamping claws (7) are arranged at both ends of the tool changing arm (6).

5. The tool quick-change unit for a vertical and horizontal composite machining center according to claim 3, characterized in that: A horizontal slide rail (11) is arranged on the side of the tool changer seat (5), and the rotary cylinder is slidably arranged in the slide rail (11) and driven to slide horizontally by a fourth drive device (12).

6. The tool quick-change unit for a vertical and horizontal composite machining center according to claim 5, characterized in that: The fourth driving device (12) is an electric cylinder, the cylinder body of which is fixed on the tool changer seat (5), and the piston rod is fixedly connected to the rotary cylinder and drives the rotary cylinder to slide horizontally.

7. The tool quick-change unit for a vertical and horizontal composite machining center according to claim 1, characterized in that: The first driving device is a motor, which is connected to the chain (2) through a driving sprocket (13), the driving sprocket (13) is meshed with one end of the chain (2), and the other end of the chain (2) is meshed with a driven sprocket (14). A guide wheel (15) is arranged in the middle of the tool magazine frame (1), the inner side of the guide wheel (15) is in contact with the outer side of the chain (2) and makes the transmission direction of the chain (2) concave inward.

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