A two-way exchange station for a two-table two-way translation exchange device

Abstract

The utility model relates to processing center technical field, concretely provides a kind of two-way exchange station for two workbench two-way translation exchange device, and third transposition point and fourth transposition point are equipped in the two-way exchange station;The two-way exchange station includes support frame, first lifting platform subassembly, second lifting platform subassembly, two groups X axial pulley subassembly, two groups rotation link's Y axial pulley subassembly, second linear actuator;Two-way exchange station is displaced exchange between third transposition point and fourth transposition point by second linear actuator drag workbench;The utility model is by being provided with two groups X axial pulley subassembly and two groups rotation link's Y axial pulley subassembly, so that workbench realizes U type continuous translation path, workbench can from two transposition points arbitrary end two-way in and out, unify to the front end of any transposition point of two-way exchange station to loading and unloading position, improve the stability of workbench exchange and improve the convenience of workbench loading and unloading.

Description

Technical Field

[0001] This utility model relates to the field of machining center technology, specifically to a bidirectional exchange station for a dual-worktable bidirectional translational exchange device. Background Technology

[0002] A machining center is a highly automated, multi-functional CNC machine tool equipped with a tool magazine and automatic tool changer. With continuous technological advancements, various types of machining centers have emerged to adapt to different machining conditions and requirements. Among them, a vertical machining center refers to a machining center where the spindle axis is perpendicular to the worktable. It is mainly suitable for machining complex parts such as sheet metal, discs, molds, and small housings. Vertical machining centers can perform milling, boring, drilling, tapping, and thread cutting operations.

[0003] A published Chinese patent, publication number CN111730416A, discloses a multi-spindle machining center with micro-motion compensation function, including a workpiece pallet exchange mechanism. The workpiece pallet exchange mechanism includes a sub-base (81), a bracket (82), a rotary motor (83), and a rotary arm (84). The bracket (82) is fixed on the sub-base (81), and the rotary motor is fixed on the bracket (82). The rotary motor (83) is connected to the rotary arm (84) through a rotating shaft. The rotary arm (84) includes an arm storage rack (85) and two pairs of folding arms. The arm (86) has a pivot connected to the center of the arm receiving frame (85). Two pairs of folding arms (86) are located on both sides of the arm receiving frame (85), and two folding arms (86) in each pair are hinged to the two ends of the same side of the arm receiving frame (85). The saddle (300) is slidably connected to the main base (200), and a Y-axis transmission mechanism is connected between the saddle (300) and the main base (200). The worktable (400) is slidably connected to the saddle (300), and an X-axis transmission mechanism is connected between the worktable (400) and the saddle (300). In this patent, the workpiece pallet exchange mechanism adopts a rotating arm design. The pallet exchange is completed by driving the folding arms through a rotary motor. The rotating arm needs to complete the "lifting → rotating → lowering" path, which adds an extra vertical displacement, resulting in poor movement stability and prolonged exchange time. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a bidirectional exchange station for a dual-worktable bidirectional translational exchange device, which solves the problems of poor movement stability and prolonged exchange time in the prior art of using a rotary motor to drive a folding arm to complete the pallet exchange.

[0005] To achieve the above and other related objectives, this utility model provides a bidirectional switching station for a dual-worktable bidirectional translational switching device, wherein the bidirectional switching station is provided with a third switching point P73 and a fourth switching point P74.

[0006] The bidirectional switching station includes:

[0007] Simultaneously, a support frame located at the third transposition point P73 and the fourth transposition point P74 is provided, wherein a first lifting platform assembly and a second lifting platform assembly are longitudinally distributed.

[0008] Two sets of X-axis pulley assemblies are mounted on the upper end of the support frame and are located at the third transposition point P73 and the fourth transposition point P74, respectively.

[0009] Two sets of Y-axis pulley assemblies are mounted on the upper end of the first lifting platform assembly and are located at the third switching point P73 and the fourth switching point P74 respectively. The two sets of Y-axis pulley assemblies are rotatably connected.

[0010] A second linear actuator is mounted on the upper end of the second lifting platform assembly and located between two sets of Y-axis pulley assemblies;

[0011] The second linear actuator drags the worktable 50 to shift and exchange positions between the third swap point P73 and the fourth swap point P74.

[0012] In one embodiment of the present invention, the support frame is provided with lifting and positioning components at the third switching point P73 and the fourth switching point P74. The lifting and positioning components include a lifting bracket and a positioning block connected to the upper end of the lifting bracket.

[0013] In one embodiment of the present invention, the second linear actuator is a magnetic couple rodless cylinder, which includes a cylinder body, a piston assembly, and a moving assembly, wherein the moving assembly is the movable end of the second linear actuator.

[0014] In one embodiment of the present invention, the movable end of the second linear actuator is provided with a transversely distributed U-shaped hanging groove. The second linear actuator is lifted by the second lifting platform assembly so that the U-shaped hanging groove is hooked and connected to the worktable.

[0015] In one embodiment of the present invention, the support frame is provided with a workbench lateral movement limiter at the upper right side of both the third swap point P73 and the fourth swap point P74.

[0016] In one embodiment of the present invention, the end of the X-axis pulley assembly near the processing area extends to the outside of the support frame.

[0017] As described above, the bidirectional switching station of the dual-worktable bidirectional translational switching device of this utility model has the following beneficial effects:

[0018] This invention utilizes two sets of X-axis pulley assemblies and two sets of rotatably connected Y-axis pulley assemblies, along with a second linear actuator, to drive the worktable bidirectionally between two exchange points. This enables the worktable to achieve a continuous U-shaped translational path, allowing it to enter and exit bidirectionally from either end of the two exchange points. The loading and unloading positions are unified to the front end of any exchange point in the bidirectional exchange station, improving the stability of worktable exchange and the convenience of loading and unloading. After loading and unloading, the worktable can be quickly transported to the machining center, improving processing efficiency. A lifting and positioning assembly is included to lock the worktable's position during loading and unloading, further enhancing the loading and unloading effect. This invention replaces rotational motion with a linear translational U-shaped path, and through coordinated lifting and translational control, achieves efficient dual-worktable exchange with zero rotational space occupation and precise positioning. Attached Figure Description

[0019] Figure 1 The diagram shown is a three-dimensional structural schematic of this utility model.

[0020] Figure 2 The diagram shown is a top view of the present invention.

[0021] Figure 3 The diagram shows the structure of the workbench in this invention being locked at the third switching point P73.

[0022] Figure 4 This diagram shows the structure of the worktable in this invention, where the worktable is hooked and connected to the second linear actuator at the third switching point P73.

[0023] Figure 5 The diagram shows the structure of the workbench in this invention, which is moved from the third interchange point P73 to the third interchange point P74.

[0024] Figure 6 The diagram shows the structure of the worktable being locked at the fourth interchange point P74 in this invention.

[0025] Component designation explanation

[0026] Workbench 50; bidirectional exchange station 70; support frame 711; first lifting platform assembly 712; X-axis pulley assembly 713; Y-axis pulley assembly 714; second linear actuator 715; U-shaped hanging groove 7151; lifting and positioning assembly 716; hydraulic lifting bracket 7161; positioning block 7162; second lifting platform assembly 717; guide pulley assembly 718; third switching point P73; fourth switching point P74. Detailed Implementation

[0027] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0028] Please see Figures 1 to 6 It should be understood that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and are not intended to limit the scope of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this utility model, should fall within the scope of the disclosed technical content. Furthermore, the terms "upper," "lower," "front," "rear," "left," "right," "middle," "first," and "second," etc., used in this specification are merely for clarity and are not intended to limit the scope of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this utility model.

[0029] Please see Figures 1-6 This utility model provides a bidirectional switching station for a dual-workbench bidirectional translational switching device, wherein the bidirectional switching station is provided with a third switching point P73 and a fourth switching point P74.

[0030] The bidirectional exchange station 70 includes: a support frame 711 located simultaneously at the third exchange point P73 and the fourth exchange point P74, wherein the support frame 711 is equipped with a first lifting platform assembly 712 and a second lifting platform assembly 717 arranged longitudinally; two sets of X-axis pulley assemblies 713 mounted on the upper end of the support frame 711 and located at the third exchange point P73 and the fourth exchange point P74 respectively; two sets of Y-axis pulley assemblies 714 mounted on the upper end of the first lifting platform assembly 712 and located at the third exchange point P73 and the fourth exchange point P74 respectively, the two sets of Y-axis pulley assemblies 714 being rotatably connected; and a second linear actuator 715 mounted on the upper end of the second lifting platform assembly 717 and located between the two sets of Y-axis pulley assemblies 714; the bidirectional exchange station 70 uses the second linear actuator 715 to drag the worktable 50 to move and exchange between the third exchange point P73 and the fourth exchange point P74.

[0031] This invention, by setting two sets of X-axis pulley assemblies 713 and two sets of rotatably connected Y-axis pulley assemblies 714, and cooperating with the second linear actuator 715 to provide drive, enables the worktable 50 to move bidirectionally between two exchange points, allowing the worktable 50 to achieve a U-shaped continuous translation path. The worktable 50 can enter and exit bidirectionally from any end of the two exchange points, unifying the loading and unloading positions to the front end of any exchange point of the bidirectional exchange station, improving the stability of the worktable 50 exchange and the convenience of loading and unloading. After loading and unloading, the worktable 50 can be quickly sent to the machining center, improving processing efficiency.

[0032] The support frame 711 is equipped with lifting and positioning components 716 at both the third switching point P73 and the fourth switching point P74. Each lifting and positioning component 716 includes a pneumatic or hydraulic lifting bracket 7161 and a positioning block 7162 connected to the upper end of the pneumatic or hydraulic lifting bracket 7161. When the worktable 50 is in the loading or unloading state, the lifting bracket 7161 can drive the positioning block 7162 to rise and engage with the positioning sleeve 54 at the lower end of the worktable 50 to form a positioning lock.

[0033] The second linear actuator 715 can be a magnetic coupler rodless cylinder, which includes a cylinder body, a piston assembly, and a moving assembly, with the moving assembly being the movable end of the second linear actuator 715. In this embodiment, a lead screw and nut linear module can also be used to provide linear drive. Magnetic coupler rodless cylinders and lead screw and nut linear modules are commonly used and mature industrial devices, and will not be elaborated upon here. The movable end of the second linear actuator 715 is provided with laterally distributed U-shaped hanging slots 7151. The first lifting platform assembly 712 drives the second linear actuator 715 to rise, causing the U-shaped hanging slots 7151 to hook onto the worktable 50. Specifically, the lower end of the worktable 50 is provided with laterally distributed... When the worktable 50 needs to be exchanged between the third switching point P73 and the fourth switching point P74, the first lifting platform assembly 712 and the second lifting platform assembly 717 simultaneously drive the second linear actuator 715 and the Y-axis pulley assembly 714 to lift. The U-shaped hanging groove 7151 located at the upper end of the second linear actuator 715 is hooked to the T-shaped hanging plate 55 located at the lower end of the worktable 50. After the hook is completed, the second linear actuator 715 pushes the worktable 50 to move between the third switching point P73 and the fourth switching point P74 along the Y-axis pulley assembly 714. The design of the U-shaped hanging groove 7151 is conducive to quickly grabbing the worktable 50 for displacement.

[0034] The support frame 711 is located on the upper right side of the third switching point P73 and the fourth switching point P74, and the slide body 33 is located on the upper left side of the first switching point P71 and the second switching point P72. Both are equipped with limiters 718 for detecting the lateral movement of the worktable 50 into position. The X-axis pulley assembly 713 extends to the outside of the support frame 711 near the processing area, which facilitates the smooth transition of the worktable 50 from the outside into the bidirectional exchange station 70.

[0035] In summary, this invention replaces rotational motion with a linear translational U-shaped path, and through coordinated control of lifting and translation, achieves efficient 50° exchange of dual worktables with zero rotational space occupation and precise positioning. Therefore, this invention effectively overcomes the various shortcomings of existing technologies and has high industrial application value.

[0036] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A bidirectional switching station for a dual-worktable bidirectional translational switching device, wherein the bidirectional switching station is provided with a third switching point (P73) and a fourth switching point (P74). Its features are, The bidirectional switching station (70) includes: Meanwhile, the support frame (711) located at the third interchange point (P73) and the fourth interchange point (P74) is equipped with a longitudinally distributed first lifting platform assembly (712) and a second lifting platform assembly (717). Two sets of X-axis pulley assemblies (713) are mounted on the upper end of the support frame (711) and located at the third interchange point (P73) and the fourth interchange point (P74) respectively. Two sets of Y-axis pulley assemblies (714) are mounted on the upper end of the first lifting platform assembly (712) and located at the third switching point (P73) and the fourth switching point (P74) respectively. The two sets of Y-axis pulley assemblies (714) are rotatably connected. A second linear actuator (715) is mounted on the upper end of the second lifting platform assembly (717) and located between the two sets of Y-axis pulley assemblies (714). The worktable (50) is moved and exchanged between the third swap point (P73) and the fourth swap point (P74) by dragging the second linear actuator (715).

2. The bidirectional switching station for the dual-worktable bidirectional translational switching device according to claim 1, characterized in that: The support frame (711) is provided with lifting and positioning components (716) at the third switching point (P73) and the fourth switching point (P74). The lifting and positioning components (716) include a lifting bracket (7161) and a positioning block (7162) connected to the upper end of the lifting bracket (7161).

3. The bidirectional switching station for the dual-worktable bidirectional translational switching device according to claim 2, characterized in that: The second linear actuator (715) adopts a magnetic couple rodless cylinder, which includes a cylinder body, a piston assembly and a moving assembly, and the moving assembly is the moving end of the second linear actuator (715).

4. The bidirectional switching station for the dual-worktable bidirectional translational switching device according to claim 3, characterized in that: The second linear actuator (715) has a horizontally distributed U-shaped hanging groove (7151) on its movable end. The second linear actuator (715) is lifted by the second lifting platform assembly (717) so that the U-shaped hanging groove (7151) is hooked to the worktable (50).

5. The bidirectional switching station for the dual-worktable bidirectional translational switching device according to claim 1, characterized in that: The support frame (711) is equipped with a workbench lateral movement limiter (718) at the upper right side of the third switching point (P73) and the fourth switching point (P74).

6. The bidirectional switching station for the dual-worktable bidirectional translational switching device according to claim 5, characterized in that: The X-axis pulley assembly (713) extends to the outside of the support frame (711) at one end near the processing area.

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