Multi-station clamp of three-axis machining center

Abstract

The utility model provides a three-axis machining center multi-station clamp which comprises a base and bases symmetrically arranged on the two sides of the base, the top of the base is provided with first clamping assemblies used for clamping workpieces, the two sides of the base are symmetrically provided with guide rods, and the sides, close to the base, of the bases are provided with guide holes used for limiting the guide rods. Connecting rods are symmetrically and rotationally arranged in the middles of the two sides of the base. When the clamping device is used, a workpiece is conveniently clamped through the arrangement of the first clamping assembly, the bidirectional lead screw is driven to rotate by rotating the driving piece, the nut block is driven to move oppositely by rotating the bidirectional lead screw, the guide block is driven to move by moving the nut block, and the connecting rod is driven to move by moving the guide block, so that the relative position between the base and the base is adjustable; therefore, accurate positioning of the workpiece in the three-axis space is achieved, and the working efficiency and the machining precision of the three-axis machining center are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of three-axis machining centers, in particular to a multi-station clamp for a three-axis machining center. Background Art

[0002] The three-axis machining center is a widely used CNC machine tool designed for efficient and precise three-dimensional machining. It works together through three mutually perpendicular linear motion axes (X, Y, and Z axes), allowing the cutting tool mounted on the spindle to move along these three directions to perform various complex cutting, drilling, milling and other operations on the workpiece.

[0003] When processing workpieces of different shapes and sizes, existing three-axis machining centers often need to frequently replace fixtures or adjust the position of fixtures, which not only affects work efficiency, but may also reduce the positioning accuracy of workpieces and affect the processing quality. Therefore, it is urgent to design a fixture with compact structure, convenient operation, adaptability to a variety of workpieces and multi-station clamping to improve the work efficiency and processing accuracy of three-axis machining centers. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-station fixture for a three-axis machining center, aiming to solve the problem that the three-axis machining center in the prior art often needs to frequently replace the fixture or adjust the fixture position when processing workpieces of different shapes and sizes, which not only affects the work efficiency but also may cause the workpiece positioning accuracy to decrease and affect the machining quality.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a three-axis machining center multi-station clamp, comprising a base and a base symmetrically arranged on both sides of the base, the top of the base is provided with a first clamping assembly for clamping a workpiece, guide rods are symmetrically arranged on both sides of the base, and a guide hole for limiting the guide rod is provided on the side of the base close to the base, connecting rods are symmetrically and rotatably arranged at the middle positions of both sides of the base, and guide grooves are symmetrically arranged on the side of the base close to the base, and a driving groove connected to the guide groove is provided inside the base, and a two-way screw rod is rotatably arranged inside the driving groove, and nut blocks are provided at the positive thread and negative thread of the two-way screw rod, and a guide block is provided on the nut block. The guide block is rotatably connected to the connecting rod, and a driving member for driving the two-way screw rod to rotate is provided on the outside of the base.

[0006] Preferably, the first clamping assembly includes mounting plates symmetrically arranged at both ends of the top of the base, a bidirectional threaded rod is rotatably arranged between the mounting plates, a threaded slider is threadedly connected at the positive thread and the negative thread of the bidirectional threaded rod, a clamping plate is arranged on the top of the threaded slider, and a guide assembly is arranged on the inner side of the mounting plate for guiding the threaded slider when it moves.

[0007] Preferably, the guide assembly is a guide column arranged between the mounting plates, a sliding block is passed through the outer wall of the guide column, and the sliding block is connected to the threaded slider.

[0008] Preferably, a first hand wheel is provided on one side of the mounting plate, and the first hand wheel is connected to the end of the bidirectional threaded rod.

[0009] Preferably, a second clamping assembly for clamping the workpiece is provided on the top of the base, and the structure of the second clamping assembly is the same as that of the first clamping assembly.

[0010] Preferably, the driving member is a second hand wheel arranged outside the base, and the second hand wheel is connected to the end of the bidirectional screw rod.

[0011] The beneficial effects of the utility model are:

[0012] When the utility model is in use, the setting of the first clamping component makes it easy to clamp the workpiece, and the two-way screw is driven to rotate by the rotating driving member, and the rotation of the two-way screw drives the nut blocks to move towards each other, the movement of the nut block drives the guide block to move, and the movement of the guide block drives the connecting rod to move, so that the relative position between the base and the pedestal is adjustable, thereby realizing the precise positioning of the workpiece in the three-axis space, and improving the working efficiency and machining accuracy of the three-axis machining center. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the top structure of the utility model.

[0015] Figure 3 It is a schematic diagram of the guide hole structure of the utility model.

[0016] Figure 4 It is a schematic diagram of the top cross-sectional structure of the utility model.

[0017] Figure 5 The utility model Figure 1 Schematic diagram of the structure at point A in the middle.

[0018] In the figure: 1. base; 2. mounting plate; 3. bidirectional threaded rod; 4. threaded slider; 5. guide assembly; 6. sliding block; 7. clamping plate; 8. first hand wheel; 9. driving groove; 10. guide groove; 11. bidirectional screw rod; 12. nut block; 13. guide block; 14. connecting rod; 15. guide hole; 16. guide rod; 17. driving member; 18. base. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0020] like Figures 1 to 5 As shown, a three-axis machining center multi-station clamp includes a base 1 and a base 18 symmetrically arranged on both sides of the base 1, a first clamping assembly for clamping a workpiece is arranged on the top of the base 1, guide rods 16 are symmetrically arranged on both sides of the base 1, a side of the base 18 close to the base 1 is provided with a guide hole 15 for limiting the guide rod 16, connecting rods 14 are symmetrically rotatably arranged at the middle positions of both sides of the base 1, a side of the base 18 close to the base 1 is symmetrically provided with a guide groove 10, a driving groove 9 connected to the guide groove 10 is arranged inside the base 18, a bidirectional screw rod 11 is rotatably arranged inside the driving groove 9, nut blocks 12 are arranged at the positive thread and the negative thread of the bidirectional screw rod 11, a guide block 13 penetrating the inside of the driving groove 9 is arranged on the nut block 12, and the guide block 13 is rotatably connected to the connecting rod 14, and a driving member 17 for driving the bidirectional screw rod 11 to rotate is arranged outside the base 18.

[0021] In this embodiment, the first clamping assembly is provided to facilitate clamping of the workpiece, and the bidirectional screw 11 is driven to rotate by rotating the driving member 17, and the rotation of the bidirectional screw 11 drives the nut block 12 to move toward each other, and the movement of the nut block 12 drives the guide block 13 to move, and the movement of the guide block 13 drives the connecting rod 14 to move, so that the relative position between the base 1 and the base 18 is adjustable, thereby realizing the precise positioning of the workpiece in the three-axis space, and improving the working efficiency and machining accuracy of the three-axis machining center.

[0022] like Figure 1 and Figure 5 As shown, the first clamping assembly includes mounting plates 2 symmetrically arranged at both ends of the top of the base 1, a bidirectional threaded rod 3 is rotatably arranged between the mounting plates 2, a threaded slider 4 is threadedly connected at the positive thread and the negative thread of the bidirectional threaded rod 3, a clamping plate 7 is arranged on the top of the threaded slider 4, and a guide assembly 5 for guiding the threaded slider 4 when it moves is arranged on the inner side of the mounting plate 2, the two threaded sliders 4 are driven to move toward each other by rotating the bidirectional threaded rod 3, and the setting of the guide assembly 5 prevents the threaded slider 4 from rotating with the bidirectional threaded rod 3, and the movement of the threaded slider 4 drives the clamping plate 7 to clamp the workpiece, thereby achieving the purpose of clamping the workpiece.

[0023] like Figure 5 As shown, the guide assembly 5 is a guide column arranged between the mounting plates 2, a sliding block 6 is passed through the outer wall of the guide column, and the sliding block 6 is connected to the threaded slider 4, and the guide column and the sliding block 6 cooperate with each other so that the movement of the threaded slider 4 is guided.

[0024] like Figure 1 As shown, a first hand wheel 8 is provided on one side of the mounting plate 2 , and the first hand wheel 8 is connected to the end of the bidirectional threaded rod 3 to drive the bidirectional threaded rod 3 to rotate between the mounting plates 2 .

[0025] Specifically, a second clamping assembly for clamping a workpiece is disposed on the top of the base 18 , and the structure of the second clamping assembly is the same as that of the first clamping assembly.

[0026] like Figure 1 and Figure 4 As shown, the driving member 17 is a second hand wheel arranged outside the base 18, and the second hand wheel is connected to the end of the bidirectional screw rod 11. The second hand wheel is arranged for people to drive the bidirectional screw rod 11 to rotate.

[0027] Working principle: When in use, the setting of the first clamping component facilitates clamping of the workpiece, and the bidirectional screw 11 is driven to rotate by rotating the driving member 17, and the rotation of the bidirectional screw 11 drives the nut block 12 to move toward each other, and the movement of the nut block 12 drives the guide block 13 to move, and the movement of the guide block 13 drives the connecting rod 14 to move, so that the relative position between the base 1 and the base 18 is adjustable, thereby realizing the precise positioning of the workpiece in the three-axis space, and improving the working efficiency and machining accuracy of the three-axis machining center.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A three-axis machining center multi-station fixture, comprising: A base (1) and bases (18) symmetrically arranged on both sides of the base (1), characterized in that a first clamping assembly for clamping a workpiece is arranged on the top of the base (1), guide rods (16) are symmetrically arranged on both sides of the base (1), a guide hole (15) for limiting the guide rod (16) is arranged on the side of the base (1) close to the base (1), connecting rods (14) are symmetrically arranged at the middle positions of both sides of the base (1), and a guide groove (15) is symmetrically arranged on the side of the base (1) close to the base (1). 0), a driving groove (9) connected to the guide groove (10) is provided inside the base (18), a bidirectional screw rod (11) is rotatably provided inside the driving groove (9), nut blocks (12) are provided at both the positive thread and the negative thread of the bidirectional screw rod (11), a guide block (13) penetrating inside the driving groove (9) is provided on the nut block (12), and the guide block (13) is rotatably connected to the connecting rod (14), and a driving member (17) for driving the bidirectional screw rod (11) to rotate is provided outside the base (18).

2. The three-axis machining center multi-station fixture according to claim 1, characterized in that: The first clamping assembly comprises mounting plates (2) symmetrically arranged at both ends of the top of the base (1); a bidirectional threaded rod (3) is rotatably arranged between the mounting plates (2); a threaded slider (4) is threadedly connected to the positive thread and the negative thread of the bidirectional threaded rod (3); a clamping plate (7) is arranged on the top of the threaded slider (4); and a guide assembly (5) for guiding the threaded slider (4) when it moves is arranged on the inner side of the mounting plate (2).

3. The three-axis machining center multi-station fixture according to claim 2, characterized in that: The guide assembly (5) is a guide column arranged between the mounting plates (2), a sliding block (6) is penetrated through the outer wall of the guide column, and the sliding block (6) is connected to the threaded slider (4).

4. The three-axis machining center multi-station fixture according to claim 2, characterized in that: A first hand wheel (8) is provided on one side of the mounting plate (2), and the first hand wheel (8) is connected to the end of the bidirectional threaded rod (3).

5. The three-axis machining center multi-station fixture according to claim 1, characterized in that: A second clamping assembly for clamping a workpiece is arranged on the top of the base (18), and the structure of the second clamping assembly is the same as that of the first clamping assembly.

6. The three-axis machining center multi-station fixture according to claim 1, characterized in that: The driving member (17) is a second hand wheel arranged outside the base (18), and the second hand wheel is connected to the end of the bidirectional screw rod (11).

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