Four-axis rotating automatic machining center
By setting adsorption holes and positioning columns on a four-axis rotary table, using a negative pressure pump to fix the workpiece, and achieving multi-faceted processing by rotating the rotary table, the problem of difficult workpiece fixation in the prior art is solved, and processing efficiency and automation are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-03-10
AI Technical Summary
The existing four-axis rotary table cannot directly fix the workpiece, which increases the difficulty and complexity of the preparation work before processing.
By setting adsorption holes and positioning columns on the placement seat, the workpiece is adsorbed and fixed by a negative pressure pump, and the workpiece is rotated by a rotary table for multi-face processing.
It achieves automated fixing and stable rotation of the workpiece, reducing the need for frequent disassembly and improving processing efficiency.
Smart Images

Figure CN223981461U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automatic processing equipment technology, specifically a four-axis rotary automatic machining center. Background Technology
[0002] A four-axis rotary table is a widely used piece of equipment in CNC machining and other fields. It is typically used for multi-face machining of workpieces, that is, by using a spindle that can rotate 360° to drive the workpiece to rotate circumferentially, thus turning the workpiece over.
[0003] Chinese Patent Publication No. CN 207593285 U discloses a four-axis rotary machining fixture, including a base, a four-axis body, an adapter plate, a carrier plate, and a pressure ring. The lower surface of the four-axis body is connected to the base, and an output end is provided on the side of the four-axis body. The adapter plate is fixedly connected to the output end of the four-axis body. The edge of the carrier plate is provided with several limiting posts, and the edge of the pressure ring is provided with limiting holes corresponding to the limiting posts of the carrier plate. The edge of the carrier plate is provided with several mounting through holes corresponding to T-shaped inserts. The two opposite side surfaces of the base have an inwardly formed groove, and the inner wall of the groove has a continuous protrusion in the middle. The lower surface of the four-axis body has connecting holes on both sides corresponding to the groove of the base. A screw is fixed on the upper surface of the T-shaped slider. The screw passes through the connecting hole and is fixed to the base through a nut. The base is also provided with several strip-shaped through holes perpendicular to the direction of the groove.
[0004] Although the aforementioned four-axis rotary machining fixture can rotate in a circle, it cannot directly fix the workpiece. When machining the workpiece, an additional workpiece fixing device is required to fix it, which increases the difficulty and cumbersomeness of the preparation work before machining. Utility Model Content
[0005] The purpose of this utility model is to provide a four-axis rotary automatic machining center, in which the four-axis turntable is fixedly connected to the machining table, and the machining table is fixedly connected to the placement seat. The placement seat uses negative pressure to hold the workpiece in place, thereby solving the technical problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A four-axis rotary automatic machining center includes a four-axis rotary table, on one side of which a machining table is fixedly connected; one side of the machining table is fixedly connected to a placement seat, and a workpiece is placed on the side of the placement seat away from the machining table.
[0008] The processing table includes a connecting plate, one end of which is fixedly connected to a four-axis rotary table; a plurality of mounting holes 1 are evenly fixedly connected on the connecting plate; the placement seat includes a seat body, both ends of which are provided with a plurality of mounting holes 2 penetrating the seat body, and the positions of the plurality of mounting holes 2 correspond to the positions of the plurality of mounting holes 1 respectively.
[0009] The seat body has a side hole in the middle of the end away from the four-axis turntable; the seat body has an inner cavity on the side near the connecting plate, and the side hole communicates with the inner cavity; multiple adsorption holes are evenly distributed on the seat body, and all multiple adsorption holes communicate with the inner cavity.
[0010] As a further technical solution of this utility model, a groove is provided in the middle of the side of the seat away from the connecting plate, and the plurality of adsorption holes are all located inside the groove; a plurality of positioning posts are evenly provided on the side of the seat away from the connecting plate, and the plurality of positioning posts are all located outside the groove.
[0011] As a further technical solution of this utility model, the processed part includes a processed part body, the size of which is smaller than the size of the base and larger than the size of the groove; the processed part body is uniformly provided with a plurality of positioning holes that penetrate the processed part body, and the plurality of positioning pins are respectively located inside the plurality of positioning holes.
[0012] As a further technical solution of this utility model, the four-axis rotary table includes a rotary table assembly, which is connected to the drive assembly for transmission; one end of the rotary table assembly is located inside the outer shell and the other end is located outside the outer shell; one end of the outer shell is fixedly connected to the second outer shell.
[0013] As a further technical solution of this utility model, the rotary table assembly includes a turntable, with a plurality of threaded holes evenly distributed in a ring on one side of the turntable, and one end of the connecting plate is threadedly connected to the plurality of threaded holes of the turntable by a plurality of bolts.
[0014] As a further technical solution of this utility model, a connecting shaft is coaxially fixedly connected to the side of the turntable away from the threaded cylinder, and both ends of the connecting shaft are rotatably connected to the outer shell; a worm gear is coaxially fixedly connected to the middle section of the connecting shaft, and the worm gear is located inside the outer shell.
[0015] As a further technical solution of this utility model, the drive assembly includes a worm gear, which is connected to the worm wheel via a transmission; one end of the worm gear is rotatably connected to the housing, and the other end is fixedly connected to the transmission shaft; a driven gear is coaxially fixedly connected to the end of the transmission shaft away from the worm gear.
[0016] As a further technical solution of this utility model, a driving gear is provided above the driven gear and meshes with the driving gear; the middle of the driving gear is fixedly connected to the output shaft of the motor, and the motor is located inside the second housing and fixedly connected to the second housing.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] In this invention, the side hole is fixedly connected to the air supply hose, and the end of the air supply hose away from the side hole is fixedly connected to the negative pressure pump. The negative pressure moves along multiple adsorption holes in the inner cavity to the groove, thereby adsorbing the workpiece body onto the surface of the base, which facilitates the placement and fixation of the workpiece body. Multiple positioning posts and multiple positioning holes can further increase the stability of the workpiece body and prevent the workpiece body from shaking or shifting. The outer side of the inner cavity is provided with a partition groove, which can increase the sealing of the inner cavity and prevent negative pressure leakage.
[0019] In this invention, the turntable can drive the connecting plate to rotate during rotation, thereby driving the workpiece body to rotate, realizing the processing of multiple sides of the workpiece body, improving the automation of workpiece body processing, and eliminating the need for frequent disassembly of the workpiece body. Attached Figure Description
[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0021] Figure 2 This utility model Figure 1 Side view.
[0022] Figure 3 This is a three-dimensional structural diagram of the four-axis rotary table of this utility model.
[0023] Figure 4 This utility model Figure 3 Top view.
[0024] Figure 5 This utility model Figure 4 AA sectional view.
[0025] Figure 6 This utility model Figure 3 A partial structural diagram.
[0026] Figure 7 This utility model Figure 6 Side view.
[0027] Figure 8 This is a three-dimensional structural diagram of the processing table of this utility model.
[0028] Figure 9 This is a three-dimensional structural diagram of the placement base of this utility model.
[0029] Figure 10 This utility model Figure 9 Another perspective view.
[0030] Figure 11 This utility model Figure 9 The main view.
[0031] Figure 12 This is a three-dimensional structural diagram of the processed part of this utility model.
[0032] In the diagram: 1-machining table, 2-placement seat, 3-machining part, 4-four-axis rotary table;
[0033] 11-Connecting plate, 12-Mounting hole one, 21-Base, 22-Side hole, 23-Mounting hole two, 24-Suction hole, 25-Groove, 26-Positioning post, 27-Snap groove, 28-Inner cavity, 31-Workpiece body, 32-Positioning hole, 41-Outer shell one, 42-Outer shell two, 43-Rotating table assembly, 44-Drive assembly;
[0034] 431-worm gear, 432-connecting shaft, 433-turntable, 441-motor, 442-driving gear, 443-driven gear, 444-transmission shaft, 445-worm. Detailed Implementation
[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0036] Please see Figure 1-12 In this embodiment of the present invention, a four-axis rotary automatic machining center includes a four-axis turntable 4, on one side of which a machining table 1 is fixedly connected; one side of the machining table 1 is fixedly connected to a placement seat 2, and a workpiece 3 is placed on the side of the placement seat 2 away from the machining table 1.
[0037] The processing table 1 includes a connecting plate 11, one end of which is fixedly connected to the four-axis rotary table 4; a plurality of mounting holes 12 are evenly fixedly connected on the connecting plate 11; the placement seat 2 includes a seat body 21, both ends of which are provided with a plurality of mounting holes 23 penetrating the seat body 21, and the positions of the plurality of mounting holes 23 correspond to the positions of the plurality of mounting holes 12 respectively.
[0038] The seat 21 is provided with a side hole 22 at the middle of the end away from the four-axis turntable 4; the seat 21 is provided with an inner cavity 28 on the side near the connecting plate 11, and the side hole 22 communicates with the inner cavity 28; a plurality of adsorption holes 24 are uniformly provided on the seat 21, and the plurality of adsorption holes 24 communicate with the inner cavity 28.
[0039] The seat body 21 has a groove 25 in the middle on the side away from the connecting plate 11, and the multiple adsorption holes 24 are all located inside the groove 25; the seat body 21 has a multiple positioning posts 26 evenly distributed on the side away from the connecting plate 11, and the multiple positioning posts 26 are all located outside the groove 25.
[0040] The processed part 3 includes a processed part body 31, the size of which is smaller than the size of the base 21 and larger than the size of the groove 25; a plurality of positioning holes 32 are uniformly provided on the processed part body 31, and the plurality of positioning pins 26 are respectively located inside the plurality of positioning holes 32.
[0041] The four-axis rotary table 4 includes a rotary table assembly 43, which is connected to the drive assembly 44. One end of the rotary table assembly 43 is located inside the outer shell 41, and the other end is located outside the outer shell 41. One end of the outer shell 41 is fixedly connected to the second outer shell 42.
[0042] By adopting the above technical solution, the side hole 22 is fixedly connected to the gas supply hose, and the end of the gas supply hose away from the side hole 22 is fixedly connected to the negative pressure pump; the negative pressure moves along multiple adsorption holes 24 in the inner cavity 28 to the groove 25, thereby adsorbing the workpiece body 31 onto the surface of the seat 21, which facilitates the placement and fixation of the workpiece body 31; multiple positioning posts 26, together with multiple positioning holes 32, can further increase the stability of the workpiece body 31 and prevent the workpiece body 31 from shaking or displacing; the outer side of the inner cavity 28 is provided with a partition groove, which can increase the sealing of the inner cavity 28 and prevent negative pressure leakage.
[0043] In this embodiment, the rotary table assembly 43 includes a turntable 433, and a plurality of threaded holes are evenly distributed in a ring on one side of the turntable 433. One end of the connecting plate 11 is threadedly connected to the plurality of threaded holes of the turntable 433 by a plurality of bolts.
[0044] The turntable 433 is coaxially fixedly connected to a connecting shaft 432 on the side away from the threaded cylinder. Both ends of the connecting shaft 432 are rotatably connected to the outer casing 41. A worm gear 431 is coaxially fixedly connected to the middle section of the connecting shaft 432. The worm gear 431 is located inside the outer casing 41.
[0045] The drive assembly 44 includes a worm gear 445, which is connected to the worm wheel 431 for transmission. One end of the worm gear 445 is rotatably connected to the housing 41 and the other end is fixedly connected to the drive shaft 444. A driven gear 443 is coaxially fixedly connected to the end of the drive shaft 444 away from the worm gear 445.
[0046] The driven gear 443 is provided above the driving gear 442 and meshes with the driving gear 442; the driving gear 442 is fixedly connected to the output shaft of the motor 441 in the middle, and the motor 441 is located inside the outer casing 42 and is fixedly connected to the outer casing 42.
[0047] By adopting the above technical solution, the turntable 433 can drive the connecting plate 11 to rotate during the rotation process, thereby driving the workpiece body 31 to rotate, realizing the processing of multiple sides of the workpiece body 31, improving the automation of the processing of the workpiece body 31, and eliminating the need for frequent disassembly of the workpiece body 31.
[0048] The working principle of this utility model is as follows: the side hole 22 is fixedly connected to the air supply hose, and the end of the air supply hose away from the side hole 22 is fixedly connected to the negative pressure pump; the negative pressure moves along multiple adsorption holes 24 in the inner cavity 28 to the groove 25, thereby adsorbing the workpiece body 31 onto the surface of the seat 21, which facilitates the placement and fixation of the workpiece body 31; multiple positioning posts 26, together with multiple positioning holes 32, can further increase the stability of the workpiece body 31 and prevent the workpiece body 31 from shaking or displacing; the outer side of the inner cavity 28 is provided with a partition groove, which can increase the sealing of the inner cavity 28 and prevent negative pressure leakage;
[0049] During the rotation of the turntable 433, the connecting plate 11 can be rotated, thereby rotating the workpiece body 31, realizing the processing of multiple sides of the workpiece body 31, improving the automation of the processing of the workpiece body 31, and eliminating the need for frequent disassembly of the workpiece body 31.
[0050] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A four-axis rotary automatic machining center, characterized by: Including four -axis turntable (4), one side of four -axis turntable (4) is fixedly connected with processing table (1), one side of processing table (1) is fixedly connected with placing seat (2), and one side of placing seat (2) away from processing table (1) is placed with processing piece (3); Processing table (1) including connecting plate (11), one end of connecting plate (11) is fixedly connected with four -axis turntable (4), a plurality of installation holes one (12) are uniformly fixedly connected on connecting plate (11), placing seat (2) including seat body (21), both ends of seat body (21) are equipped with a plurality of installation holes two (23) that pass through seat body (21), and a plurality of installation holes two (23) correspond to the position of a plurality of installation holes one (12) respectively, One end of seat body (21) away from four -axis turntable (4) is equipped with side hole (22) in the middle, one side of seat body (21) close to connecting plate (11) is equipped with inner cavity (28), and side hole (22) is communicated with inner cavity (28), a plurality of adsorption holes (24) are uniformly arranged on seat body (21), and a plurality of adsorption holes (24) are communicated with inner cavity (28).
2. The four-axis rotary automatic machining center according to claim 1, characterized in that: One side of seat body (21) away from connecting plate (11) is equipped with recess (25) in the middle, a plurality of adsorption holes (24) are located in the inner side of recess (25), a plurality of positioning columns (26) are uniformly arranged on one side of seat body (21) away from connecting plate (11), and a plurality of positioning columns (26) are located on the outer side of recess (25).
3. The four-axis rotary automatic machining center according to claim 2, characterized in that: Processing piece (3) including processing piece body (31), the size of processing piece body (31) is less than the size of seat body (21) and greater than the size of recess (25), a plurality of positioning holes (32) that pass through processing piece body (31) are uniformly arranged on processing piece body (31), and a plurality of positioning columns (26) are located in the inner side of a plurality of positioning holes (32) respectively.
4. The four-axis rotary automatic machining center according to claim 2, characterized in that: Four -axis turntable (4) including rotating table assembly (43), rotating table assembly (43) is drivingly connected with driving assembly (44), one end of rotating table assembly (43) is located in the inner side of shell one (41), the other end is located in the outer side of shell one (41), one end of shell one (41) is fixedly connected with shell two (42).
5. The four-axis rotary automatic machining center according to claim 4, characterized in that: Rotating table assembly (43) including turntable (433), a plurality of threaded holes are uniformly annularly distributed on one side of turntable (433), and one end of connecting plate (11) is threadedly connected with a plurality of threaded holes of turntable (433) through a plurality of bolts.
6. The four-axis rotary automatic machining center according to claim 5, characterized in that: One side of turntable (433) away from threaded cylinder is coaxially fixedly connected with connecting shaft (432), both ends of connecting shaft (432) are rotatably connected with shell one (41), and middle segment of connecting shaft (432) is coaxially fixedly connected with worm gear (431), and worm gear (431) is located in the inside of shell one (41).
7. The four-axis rotary automatic machining center according to claim 6, characterized in that: The driving assembly (44) comprises a worm (445) in transmission connection with the worm gear (431); one end of the worm (445) is in rotational connection with the shell one (41), and the other end is in fixed connection with a transmission shaft (444); the transmission shaft (444) is coaxially and fixedly connected with a driven gear (443) at an end away from the worm (445).
8. The four-axis rotary automatic machining center according to claim 7, characterized in that: The driven gear (443) is provided above the driven gear (443) and is in mesh with a driving gear (442); the driving gear (442) is fixedly connected with an output shaft of a motor (441) in the middle, and the motor (441) is located inside the shell two (42) and is fixedly connected with the shell two (42).
Citation Information
Patent Citations
Rotatory processing tool of four -axis
CN207593285U