Vertical four-axis machining center

Abstract

The utility model discloses a vertical four-axis machining center, which relates to the technical field of machining centers and comprises a base, a Y-axis moving table is mounted at the upper end of the base, a Z-axis moving table is mounted on the rear wall of the base, a main shaft is mounted at the moving end of the Z-axis moving table, an X-axis moving table is mounted at the moving end of the Y-axis moving table, and an X-axis moving table is mounted at the moving end of the X-axis moving table. A fixed table is installed at the moving end of the X-axis moving table, two box bodies distributed left and right are connected to the upper end of the fixed table, a fixed tailstock and a rotating chuck are arranged at the upper ends of the two box bodies respectively, adjusting components are arranged in the two box bodies respectively, and the two adjusting components are distributed in a bilateral symmetry mode. The height of the fixed tailstock and the height of the rotating chuck can be adjusted through the adjusting component, so that parts can rotate completely, follow-up machining is guaranteed, operation is simple, and follow-up working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing center technical field especially relates to a vertical four -axis machining center. BACKGROUND

[0002] Four -axis machining center is an advanced numerical control machine tool equipment, compared with traditional three -axis machining center, increased a rotating shaft (usually rotating workbench), so that when processing can not only carry out X, Y, Z three direction movement, also can rotate around an axis. This makes the workpiece can rotate in the processing process, realizes more complex processing operation, such as spiral processing, curved surface processing etc. Four -axis machining center is especially suitable for the parts needing multi -angle, multi -surface processing, can reduce the repeated clamping frequency of workpiece, improves the processing accuracy and efficiency, is suitable for mould manufacturing, aerospace, automobile etc. High -precision processing field.

[0003] Prior art (announcement number: CN 216576949 U) discloses a double main shaft vertical four -axis machining center, including base and stand, two horizontal first guide rails are arranged side by side on the stand, first slide, second slide are slidably installed on two first guide rails, first slide, second slide can be driven by first screw rod, second screw rod to be close or far away respectively;First slide and first spindle box are slidably connected through second guide rail and sliding block, and the first spindle box can move vertically up and down under the drive of third screw rod, and the second slide and the second spindle box are slidably connected through the third guide rail and the sliding block, and the second spindle box can move vertically up and down under the drive of fourth screw rod;A group of fourth guide rails are installed horizontally on the base, and a workbench is slidably installed on the fourth guide rail, and the workbench can move along the fourth guide rail under the drive of the fifth screw rod.

[0004] The above-mentioned patent can realize the fine adjustment and wide range adjustment of the distance between the two main shafts, and can also perform four-axis direction processing, but has the following disadvantages: when using, the height of the double-disc rotary table and the disc tailstock cannot be adjusted, when the size of the workpiece is large, the double-disc rotary table and the disc tailstock cannot support the workpiece to rotate a full circle, it is necessary to disassemble the double-disc rotary table and the disc tailstock and add shims, the re-disassembly process is relatively cumbersome, which increases the operation steps of workers and affects the work efficiency, therefore, a vertical four-axis machining center is proposed. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a vertical four-axis machining center, which can effectively solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] A vertical four-axis machining center, including a base, the upper end of the base is provided with a Y-axis moving table, the rear wall of the base is provided with a Z-axis moving table, the moving end of the Z-axis moving table is provided with a main shaft, the moving end of the Y-axis moving table is provided with an X-axis moving table, the moving end of the X-axis moving table is provided with a fixed table, the upper end of the fixed table is connected with two left and right distributed boxes, the upper end of the two boxes is respectively provided with a fixed tailstock and a rotating chuck, the two boxes are respectively provided with an adjusting component, the two adjusting components are symmetrically distributed, and the two adjusting components respectively extend to the upper side of the two boxes and are connected with the fixed tailstock and the rotating chuck.

[0008] Preferably, the adjusting component comprises a rotating ring, the rotating ring is rotatably connected to the inner wall of the lower end of the box, the lower end of the rotating ring is provided with a worm gear, the inside of the worm gear is threaded and sleeved with a lead screw, the outer surface of the worm gear is meshed and connected with a worm, and the upper end of the lead screw is movably inserted into the upper side of the box and fixedly connected with a connecting table.

[0009] Preferably, the connecting table is provided with two, and the lower end of the two connecting tables is fixedly connected with the fixed tailstock and the rotating chuck.

[0010] Preferably, one end of the worm is movably connected with the inner wall of the box, and the other end of the worm is movably inserted into the outer side of the box.

[0011] Preferably, the lower end of the two fixed tailstocks and the rotating chucks is provided with two guide columns, and the four guide columns are movably inserted into the two boxes.

[0012] Preferably, the lower inner wall of the two boxes is provided with a linear displacement sensor, and the two linear displacement sensors are movably inserted into the upper side of the two boxes and fixedly connected with the lower end of the fixed tailstock and the rotating chuck.

[0013] Preferably, the front end of the two boxes is provided with a display, and the display is electrically connected with the linear displacement sensor.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1. The adjusting component can adjust the height of the fixed tailstock and the rotating chuck, when the size of the part is large, the worm is rotated, the worm drives the worm gear to rotate, the worm gear drives the lead screw to rotate, the lead screw drives the rotating chuck to move upwards through the connecting table after rotating, and then the left adjusting component drives the fixed tailstock to move upwards, so that the part with large size can be supported, the part can rotate completely, the subsequent processing is guaranteed, the operation is simple, the operation time is short, and the subsequent work efficiency is improved.

[0016] 2、By setting the linear displacement sensor and display together can display the height value of the adjusting component adjustment, when the screw drives the fixed tailstock and rotating chuck to move, because the measuring end of the linear displacement sensor is connected with the fixed tailstock and rotating chuck, the measuring end of the linear displacement sensor is elongated, thereby conveying the signal to the display to display, which is convenient for subsequent adjustment of the height of the fixed tailstock and rotating chuck according to the size of the part, reduces the time of repeated adjustment, and makes the height of the fixed tailstock and rotating chuck remain the same, further improves the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the embodiment;

[0018] Figure 2 It is the structure schematic view of the fixed table in the embodiment;

[0019] Figure 3 It is the structure schematic view of the box in the embodiment;

[0020] Figure 4 It is the structure schematic view of the adjusting component in the embodiment.

[0021] In the figure: 1, base; 2, Y-axis moving table; 3, X-axis moving table; 4, fixed table; 5, Z-axis moving table; 6, main shaft; 7, box; 8, fixed tailstock; 9, rotating chuck; 10, adjusting component; 11, display; 12, guide column; 101, rotating ring; 102, worm; 103, screw; 104, worm gear; 105, connecting table; 13, linear displacement sensor. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described in combination with specific embodiments.

[0023] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "set with", "connection" and the like, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] As Figures 1-4 The utility model discloses a vertical four -axis machining center, including pedestal 1, the upper end of pedestal 1 is installed Y axle moving platform 2, the rear wall of pedestal 1 is installed Z axle moving platform 5, and the mobile end of Z axle moving platform 5 is installed main shaft 6, and the mobile end of Y axle moving platform 2 is installed X axle moving platform 3, and the mobile end of X axle moving platform 3 is installed fixed platform 4, and the upper end of fixed platform 4 is detachably connected with two box 7s distributed left and right through bolt, and the upper end of two box 7s is provided with fixed tailstock 8 and rotary chuck 9 respectively, fixed tailstock 8 is rotatable against one end of workpiece, when using, one end of workpiece is fixed in rotary chuck 9, when using, the cutter is installed on main shaft 6, fixed tailstock 8 is pressed against the other end of workpiece, and workpiece can be moved left and right through X axle moving platform 3, workpiece can be moved before and after through Y axle moving platform 2, Z axle moving platform 5 can drive the up-and-down movement of main shaft 6, and the cutter on main shaft 6 can be close to workpiece and can process, rotary chuck 9 can drive workpiece to rotate, when the size of workpiece is larger, workpiece rotates and can contact fixed platform 4, fixed tailstock 8 and rotary chuck 9 can not support workpiece to rotate a complete circle, need to disassemble double disc rotary table and disc tailstock and install pad, and the process of re-disassembly is more complicated.

[0026] In order to solve the above-mentioned disadvantages, two adjusting parts 10 are arranged in the two boxes 7, the two adjusting parts 10 are symmetrically distributed left and right, the two adjusting parts 10 extend to the upper sides of the two boxes 7 and are connected with the fixed tailstock 8 and the rotating chuck 9 respectively, specifically: the adjusting part 10 comprises a rotating ring 101, the rotating ring 101 is rotatably connected to the inner wall of the lower end of the box 7, the lower end of the rotating ring 101 is provided with a worm gear 102, the inside of the worm gear 102 is threaded and sleeved with a lead screw 103, the outer surface of the worm gear 102 is engaged and connected with a worm 104, the worm gear 102 and the worm 104 have self-locking property, the upper end of the lead screw 103 is movably inserted into the upper side of the box 7 and is fixedly connected with a connecting table 105, in actual use, the connecting table 105 is provided between the box 7 and the box 7, the flexible cover is sleeved on the part of the lead screw 103 exposed outside the box 7, so as to prevent the attachment of debris on the surface of the lead screw 103, the connecting table 105 is provided with two, the two connecting tables 105 are fixedly connected with the lower ends of the fixed tailstock 8 and the rotating chuck 9 respectively, one end of the worm 104 is movably connected with the inner wall of the box 7 through a bearing, the other end of the worm 104 is movably inserted into the outside of the box 7, when the size of the part is large, the worm 104 is rotated, the worm 104 drives the worm gear 102 to rotate, the worm gear 102 drives the lead screw 103 to rotate, the lead screw 103 drives the rotating chuck 9 to move upward through the connecting table 105 after rotating, then the adjusting part 10 on the left side drives the fixed tailstock 8 to move upward, so that the part with large size can be supported, so that the part can be completely rotated, the subsequent processing is ensured, the operation is simple, and the subsequent work efficiency is improved.

[0027] In order to improve the stability of the movement of the fixed tailstock 8 and the rotating chuck 9, two guide columns 12 are arranged at the lower ends of the two fixed tailstocks 8 and the rotating chuck 9.

[0028] In addition, when the fixed tailstock 8 and the rotating chuck 9 move, the center of the fixed workpiece needs to be kept on the same horizontal line to support the workpiece to rotate, so when adjusting the height, the fixed tailstock 8 and the rotating chuck 9 need to be adjusted to the same height, so the lower inner walls of the two boxes 7 are provided with linear displacement sensors 13, the two linear displacement sensors 13 are respectively movably inserted into the upper sides of the two boxes 7 and are respectively fixedly connected with the lower ends of the fixed tailstock 8 and the rotating chuck 9, the front ends of the two boxes 7 are provided with displays 11, the displays 11 are electrically connected with the linear displacement sensors 13, when the screw rod 103 drives the fixed tailstock 8 and the rotating chuck 9 to move, since the measuring ends of the linear displacement sensors 13 are connected with the fixed tailstock 8 and the rotating chuck 9, the measuring ends of the linear displacement sensors 13 are elongated to generate electric signals to transmit signals to the displays 11 to display, so that the height of the fixed tailstock 8 and the rotating chuck 9 can be quickly adjusted according to the size of the part, the time of repeated adjustment is reduced, and the height of the fixed tailstock 8 and the rotating chuck 9 can be kept the same, so that the work efficiency is further improved.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed for protection. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A vertical four-axis machining center comprising a base (1), characterized in that: The upper end of the base (1) is provided with a Y-axis moving table (2), the rear wall of the base (1) is provided with a Z-axis moving table (5), the moving end of the Z-axis moving table (5) is provided with a main shaft (6), the moving end of the Y-axis moving table (2) is provided with an X-axis moving table (3), the moving end of the X-axis moving table (3) is provided with a fixed table (4), the upper end of the fixed table (4) is connected with two left and right distributed boxes (7), the upper end of the two boxes (7) is respectively provided with a fixed tailstock (8) and a rotating chuck (9), the two boxes (7) are both provided with an adjusting part (10), the two adjusting parts (10) are symmetrically distributed, and the two adjusting parts (10) respectively extend to the upper side of the two boxes (7) and are connected with the fixed tailstock (8) and the rotating chuck (9).

2. The vertical four-axis machining center according to claim 1, characterized in that: The adjusting part (10) comprises a rotating ring (101), the rotating ring (101) is rotatably connected to the inner wall of the lower end of the box (7), the lower end of the rotating ring (101) is provided with a worm gear (102), the inside of the worm gear (102) is provided with a lead screw (103), the outer surface of the worm gear (102) is engagedly connected with a worm (104), and the upper end of the lead screw (103) is movably inserted into the upper side of the box (7) and is fixedly connected with a connecting table (105).

3. The vertical four-axis machining center according to claim 2, characterized in that: The connecting table (105) is provided with two, and the lower end of the connecting table (105) is fixedly connected with the fixed tailstock (8) and the rotating chuck (9).

4. The vertical four-axis machining center according to claim 2, characterized in that: One end of the worm (104) is movably connected with the inner wall of the box (7), and the other end of the worm (104) is movably inserted into the outside of the box (7).

5. The vertical four-axis machining center according to claim 2, characterized in that: The lower end of the two fixed tailstocks (8) and rotating chucks (9) is provided with two guide columns (12), and the four guide columns (12) are movably inserted into the two boxes (7).

6. The vertical four-axis machining center according to claim 2, characterized in that: The lower inner wall of the two boxes (7) is provided with a linear displacement sensor (13), and the two linear displacement sensors (13) are movably inserted into the upper side of the two boxes (7) and are fixedly connected with the lower end of the fixed tailstock (8) and the rotating chuck (9).

7. The vertical four-axis machining center according to claim 5, characterized in that: The front end of the two boxes (7) is provided with a display (11), and the display (11) is electrically connected with the linear displacement sensor (13).

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