Vertical machining center additionally provided with positioning structure

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a vertical machining center additionally provided with a positioning structure, which comprises a machining center body, a sliding table is slidably connected in the machining center body, a bearing table is fixedly arranged at the top end of the sliding table, and clamping plates are slidably connected to two sides of the top end of the bearing table. The clamping plate is connected with a pre-tightening clamping assembly used for clamping a workpiece, two transverse rods are fixedly arranged on one side of the clamping plate, and the surfaces of the transverse rods are sleeved with springs used for supporting the pre-tightening clamping assembly. The bearing platform can be supported through the sliding table, the bearing platform can support a workpiece and can prevent cutting fluid from entering the sliding table, the clamping plates can be supported through the supporting assemblies, the two-way lead screw is driven by the motor, the two-way lead screw can control the two supporting assemblies to move oppositely in the middle, and then the two clamping plates can automatically clamp the workpiece; and the clamping plates can be conveniently adjusted.

Description

Technical Field

[0001] This utility model relates to the field of CNC machine tool technology, specifically a vertical machining center with an added positioning structure. Background Technology

[0002] A vertical machining center is a multi-functional workpiece processing machine tool. Its spindle axis is set perpendicular to the worktable. It mainly consists of a spindle, a feed system, a worktable, and a control system. The vertical machining center realizes the cutting of the workpiece through the relative motion of the rotation of the cutting tool and the feed of the workpiece. It is widely used in the field of mechanical processing.

[0003] Traditional vertical machining centers typically rely on manual adjustment or general-purpose fixtures for workpiece clamping, which suffers from low positioning accuracy and time-consuming adjustments, affecting machining efficiency and product consistency. Therefore, there is an urgent need for an improved solution that can quickly and accurately position workpieces. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a vertical machining center with an added positioning structure, which has the advantages of high positioning accuracy and easy adjustment, thus solving the problems mentioned in the background technology.

[0005] This utility model provides the following technical solution: a vertical machining center with an added positioning structure, including a machining center body, a slide table slidably connected inside the machining center body, a support platform fixedly provided at the top of the slide table, clamping plates slidably connected on both sides of the top of the support platform, a pre-tightening clamping assembly connected to the clamping plates, two crossbars fixedly provided on one side of the clamping plates, springs providing support for the pre-tightening clamping assembly being sleeved on the surface of the crossbars, a bidirectional lead screw rotatably provided inside the slide table, a motor driving the bidirectional lead screw fixedly installed on one side of the slide table, and support assemblies supporting the crossbars on both sides of the bidirectional lead screw.

[0006] As a preferred technical solution of this utility model, a cover plate is fixedly installed on the top of the slide table by screws, a support frame is fixedly provided on the top of the slide table, the bottom end of the support platform is fixedly connected to the support frame by bolts, grooves are provided on both sides of the top of the slide table, and protrusions that slide and connect with the grooves are fixed on both sides of the bottom end of the clamping plate.

[0007] As a preferred technical solution of this utility model, the pre-tightening clamping assembly includes a sliding plate, the surface of which has two rod grooves, the sliding plate being slidably connected to a crossbar through the rod grooves, a plurality of support rods being fixedly provided on one side of the sliding plate, a clamping block being fixedly provided at one end of each support rod, and a slide rail being provided on the surface of the clamping plate to slidably connect with the clamping block.

[0008] As a preferred technical solution of this utility model, a protective cover is fixedly provided on one side of the support platform, the motor is located inside the protective cover, and the output shaft of the motor is fixedly connected to one end of the bidirectional lead screw.

[0009] As a preferred technical solution of this utility model, the support assembly includes a slide block, a lead screw nut is fixedly provided in the middle of the slide block, the lead screw nut is threadedly connected to a bidirectional lead screw, two guide posts are fixedly provided on one side of the slide block, a vertical plate is fixedly connected to one end of the guide post, and the top of one side of the vertical plate is fixedly connected to one end of the crossbar.

[0010] As a preferred embodiment of this utility model, the slide base has sliding grooves on both sides of its bottom end, and the slide rails are fixedly provided on the inner walls of both sides of the bottom end of the slide table. The bottom end of the slide base is slidably connected to the slide rails through the sliding grooves.

[0011] As a preferred technical solution of this utility model, both sides of the slide table are provided with column grooves that are slidably connected to the guide post, and a rubber ring is engaged with one side of the column groove.

[0012] As a preferred embodiment of this utility model, a base is fixedly provided at the bottom of the machining center body, and protective doors are slidably connected to both sides of the front of the machining center body, with handles fixedly provided on the surface of the protective doors.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. This vertical machining center with added positioning structure can support the bearing platform through the slide table. The bearing platform can support the workpiece and prevent cutting fluid from entering the slide table. The support components can support the clamping plates. The motor drives the bidirectional lead screw, which can control the two support components to move in opposite directions in the center, so that the two clamping plates can automatically clamp the workpiece and facilitate the adjustment of the clamping plates.

[0015] 2. This vertical machining center with added positioning structure can provide support for the pre-clamping assembly through springs. The springs can contract under pressure and transmit the pressure to the workpiece through the pre-clamping assembly, thereby pre-clamping the workpiece, reducing the fluctuation of clamping force. In conjunction with the clamping plate, it can double clamp the workpiece, improving the stability and positioning accuracy of the workpiece, resulting in high processing efficiency and ensuring product consistency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the foundation of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the slide table of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the elastic clamping assembly of this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the support component of this utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the slide table of this utility model.

[0022] In the diagram: 1. Machining center body; 2. Slide table; 3. Support platform; 4. Support frame; 5. Cover plate; 6. Clamping plate; 7. Crossbar; 8. Pre-tightening clamping assembly; 801. Slide plate; 802. Rod groove; 803. Support rod; 804. Clamping block; 9. Support assembly; 901. Slide seat; 902. Lead screw nut; 903. Slide groove; 904. Guide column; 905. Vertical plate; 10. Spring; 11. Double-acting lead screw; 12. Motor; 13. Slide rail; 14. Groove; 15. Protective cover; 16. Slide track; 17. Column groove; 18. Protrusion; 19. Protective door. Detailed Implementation

[0023] 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.

[0024] Please see Figures 1-6A vertical machining center with a positioning structure includes a machining center body 1. A slide table 2 is slidably connected inside the machining center body 1. A support platform 3 is fixedly mounted on the top of the slide table 2. Clamping plates 6 are slidably connected to both sides of the top of the support platform 3. A pre-clamping assembly 8 for clamping the workpiece is connected to the clamping plates 6. Two crossbars 7 are fixedly mounted on one side of the clamping plates 6. Springs 10, which provide support for the pre-clamping assembly 8, are sleeved on the surface of the crossbars 7. A bidirectional lead screw 11 is rotatably mounted inside the slide table 2. A motor 12 for driving the bidirectional lead screw 11 is fixedly mounted on one side of the slide table 2. Both sides of the bidirectional lead screw 11 are equipped with… The support assembly 9, which supports the crossbar 7, can support the platform 3 via the slide table 2. The platform 3 can support the workpiece. The support assembly 9 can also support the clamping plate 6. The motor 12 drives the bidirectional lead screw 11, which can control the two support assemblies 9 to move in opposite directions in the center, so that the two clamping plates 6 can automatically clamp the workpiece. The spring 10 can support the pre-tightening clamping assembly 8. It can contract under pressure and can transmit the pressure to the workpiece through the pre-tightening clamping assembly 8, thereby achieving the effect of pre-tightening clamping of the workpiece, reducing the fluctuation of clamping force, and improving the stability of the workpiece.

[0025] In this embodiment, preferably, the pre-tightening clamping assembly 8 includes a slide plate 801. The surface of the slide plate 801 has two rod grooves 802. The slide plate 801 is slidably connected to the crossbar 7 through the rod grooves 802. A plurality of support rods 803 are fixedly provided on one side of the slide plate 801. A clamping block 804 is fixedly provided at one end of the support rod 803. The surface of the clamping plate 6 has a slide rail 16 that is slidably connected to the clamping block 804. The crossbar 7 can support and guide the slide plate 801, and the slide rail 16 can guide the clamping block 804. During the clamping process of the clamping plate 6, the clamping block 804 can contact the workpiece before the clamping plate 6, so as to apply pressure to the spring 10. The spring 10 can react the pressure to the clamping block 804, which improves the stability of the clamping force on the workpiece.

[0026] In this embodiment, preferably, the support assembly 9 includes a slide 901. A lead screw nut 902 is fixedly provided in the middle of the slide 901. The lead screw nut 902 is threadedly connected to a bidirectional lead screw 11. Two guide posts 904 are fixedly provided on one side of the slide 901. A vertical plate 905 is fixedly connected to one end of each guide post 904. The top of one side of the vertical plate 905 is fixedly connected to one end of a crossbar 7. Slide grooves 903 are provided on both sides of the bottom end of the slide 901. Slide rails 13 are fixedly provided on the inner walls of both sides of the bottom end of the slide table 2. The bottom end of 01 is slidably connected to the slide rail 13 via the slide groove 903. Both sides of the slide table 2 are provided with column grooves 17 that are slidably connected to the guide post 904. A rubber ring is engaged on one side of the column groove 17. The rotational motion of the bidirectional lead screw 11 can be converted into the linear motion of the slide table 901 through the lead screw nut 902. The slide groove 903 and the slide rail 13 can guide the slide table 901. The slide table 901 can push the clamping plate 6 to move through the guide post 904 and the vertical plate 905. The rubber ring can prevent the seepage of cutting fluid.

[0027] In this embodiment, preferably, a cover plate 5 is fixedly installed on the top of the slide table 2 by screws, a support frame 4 is fixedly installed on the top of the slide table 2, the bottom end of the support platform 3 is fixedly connected to the support frame 4 by bolts, grooves 14 are provided on both sides of the top of the slide table 2, protrusions 18 that are slidably connected to the grooves 14 are fixedly provided on both sides of the bottom end of the clamping plate 6, a protective cover 15 is fixedly installed on one side of the support platform 3, the motor 12 is located inside the protective cover 15, the output shaft of the motor 12 is fixedly connected to one end of the bidirectional lead screw 11, the support frame 4 can provide support for the bottom end of the support platform 3, avoiding the load of the support platform 3 from being directly transmitted to the cover plate 5, and the setting of the support platform 3 can prevent the cutting fluid from entering the interior of the slide table 2, and the setting of the protective cover 15 can prevent the motor 12 from contacting the cutting fluid;

[0028] In this embodiment, preferably, a base is fixedly provided at the bottom of the machining center body 1, and protective doors 19 are slidably connected to both sides of the front of the machining center body 1. A handle is fixedly provided on the surface of the protective door 19. The protective door 19 can provide protection for the interior of the machining center body 1, and the protective door 19 can be slid through the handle.

[0029] In use, first open the protective door 19, then place the workpiece on the support platform 3, and then drive the double-acting screw 11 through the motor 12. The screw nut 902 of the support assembly 9 can convert the rotational motion of the double-acting screw 11 into the linear motion of the slide 901. The slide groove 903 and the slide rail 13 can guide the slide 901. The slide 901 can push the clamping plate 6 to move through the guide post 904 and the upright plate 905, so that the workpiece can be clamped by the clamping plate 6.

[0030] During the workpiece clamping process, the clamping block 804, supported by the spring 10, can contact the workpiece before the clamping plate 6, thus applying pressure to the spring 10. The spring 10 can then react the pressure to the clamping block 804, which can provide pre-clamping for the workpiece and maintain the stability of the clamping force, reducing fluctuations in the clamping force. After the clamping plate 6 contacts the workpiece, it cooperates with the clamping block 804 to perform double clamping on the workpiece, improving the stability of the clamping force on the workpiece and achieving high positioning accuracy.

[0031] After the workpiece is positioned, the position of the slide table 2 is adjusted by the machining center body 1 and the protective door 19 is closed, so the workpiece can be processed. The support 3 can prevent the cutting fluid from entering the slide table 2. The protective cover 15 can prevent the motor 12 from contacting the cutting fluid. After the workpiece is processed, the protective door 19 is opened, and the motor 12 drives the bidirectional lead screw 11 in the reverse direction, causing the two clamping plates 6 to move in opposite directions, so the workpiece can be removed.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vertical machining center with an added positioning structure, comprising a machining center body (1), characterized in that: The machining center body (1) is internally connected to a slide table (2), and a support platform (3) is fixedly provided at the top of the slide table (2). Both sides of the top of the support platform (3) are slidably connected to clamping plates (6). The clamping plates (6) are connected to a pre-tightening clamping assembly (8) for clamping the workpiece. Two crossbars (7) are fixedly provided on one side of the clamping plate (6). A spring (10) is sleeved on the surface of the crossbars (7) to provide support for the pre-tightening clamping assembly (8). The slide table (2) is internally connected to a bidirectional lead screw (11). A motor (12) for driving the bidirectional lead screw (11) is fixedly installed on one side of the slide table (2). Both sides of the bidirectional lead screw (11) are provided with support assemblies (9) for supporting the crossbars (7).

2. The vertical machining center with added positioning structure according to claim 1, characterized in that: The top of the slide (2) is fixedly installed with a cover plate (5) by screws. The top of the slide (2) is fixedly provided with a support frame (4). The bottom of the support platform (3) is fixedly connected to the support frame (4) by bolts. The top of the slide (2) is provided with grooves (14) on both sides. The bottom of the clamp (6) is fixedly provided with protrusions (18) that slide in connection with the grooves (14).

3. The vertical machining center with added positioning structure according to claim 1, characterized in that: The pre-tightening clamping assembly (8) includes a slide plate (801), the surface of which has two rod grooves (802), the slide plate (801) is slidably connected to the crossbar (7) through the rod grooves (802), a number of support rods (803) are fixedly provided on one side of the slide plate (801), a clamping block (804) is fixedly provided at one end of the support rod (803), and a slide rail (16) is provided on the surface of the clamping plate (6) to slidably connect with the clamping block (804).

4. The vertical machining center with added positioning structure according to claim 1, characterized in that: A protective cover (15) is fixedly provided on one side of the support platform (3), and the motor (12) is located inside the protective cover (15). The output shaft of the motor (12) is fixedly connected to one end of the bidirectional lead screw (11).

5. The vertical machining center with added positioning structure according to claim 1, characterized in that: The support assembly (9) includes a slide (901), a lead screw nut (902) is fixedly provided in the middle of the slide (901), the lead screw nut (902) is threadedly connected to a two-way lead screw (11), two guide posts (904) are fixedly provided on one side of the slide (901), a vertical plate (905) is fixedly connected to one end of the guide post (904), and the top of one side of the vertical plate (905) is fixedly connected to one end of the crossbar (7).

6. The vertical machining center with added positioning structure according to claim 5, characterized in that: The slide block (901) has a slide groove (903) on both sides of its bottom end, and the slide rail (13) is fixedly provided on the inner wall of both sides of the bottom end of the slide table (2). The bottom end of the slide block (901) is slidably connected to the slide rail (13) through the slide groove (903).

7. The vertical machining center with added positioning structure according to claim 5, characterized in that: Both sides of the slide (2) are provided with column grooves (17) that are slidably connected to the guide column (904), and a rubber ring is engaged on one side of the column groove (17).

8. The vertical machining center with added positioning structure according to claim 1, characterized in that: The bottom of the machining center body (1) is fixedly provided with a base, and protective doors (19) are slidably connected to both sides of the front of the machining center body (1). The surface of the protective door (19) is fixedly provided with a handle.

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