Vertical machining center machine with high positioning accuracy

Abstract

The utility model relates to the technical field of vertical machining center machines, and discloses a vertical machining center machine with high positioning accuracy, which comprises a machine table, a placing groove is formed in the top of the machine table, round holes are formed in the four side walls of the placing groove, connecting rods are movably connected in the four round holes, and the connecting rods are movably connected in the placing groove. And positioning assemblies are fixedly arranged at one ends of the four connecting rods correspondingly, and bevel gears are in threaded connection with the side surfaces of the four connecting rods correspondingly. According to the vertical machining center machine with the high positioning accuracy, by arranging the connecting rods, the positioning assemblies, bevel gears, a bevel gear disc and sliding blocks, a driving motor is started to enable the bevel gear disc to rotate, the four bevel gears meshed with the surface of the bevel gear disc are driven to rotate, and the connecting rods in threaded connection with the interiors of the bevel gears extend into the containing grooves; according to the vertical machining center machine, the sliding block on the connecting rod slides in the limiting sliding rail, the four positioning assemblies clamp the workpiece in the containing groove, the manual adjustment clamping mode is replaced, and therefore the positioning precision of the vertical machining center machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical machining center machines, in particular to a vertical machining center machine with high positioning accuracy. Background Art

[0002] Chinese patent CN219704195U provides a positioning mechanism for a vertical machining center. When the workpiece is processed and fixed, the workpiece is placed inside a fixed seat, and then the adjusting parts around the fixed seat are pushed so that the special-shaped clamp can firmly clamp the workpiece. Through the design of the positioning part, after pushing the adjusting part, the adjusted position can be fixed to ensure that there is no rebound phenomenon.

[0003] However, the adjustment and fixation of the adjusting parts need to be manually operated, which is not convenient, and the manual adjustment method has the problem of unstable clamping and low positioning accuracy. Therefore, it is necessary to design a vertical machining center with high positioning accuracy. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a vertical machining center with high positioning accuracy, which has the advantages of automatic clamping, stable clamping and improved positioning accuracy. It solves the problem that the adjustment and fixation of the existing adjusting parts require manual operation, the operation is not convenient, the manual adjustment method has the phenomenon of unstable clamping and low positioning accuracy.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical machining center with high positioning accuracy, comprising a machine table, a placement groove is opened on the top of the machine table, four side walls of the placement groove are opened with circular holes, the insides of the four circular holes are movably connected with connecting rods, one end of the four connecting rods is fixedly provided with a positioning assembly, the side surfaces of the four connecting rods are threadedly connected with bevel gears, the four bevel gears are rotatably connected to the inside of the machine table, the inside of the machine table is rotatably connected with a bevel gear plate, and the side surface of the bevel gear plate is meshed with the side surfaces of the four bevel gears.

[0008] Preferably, the positioning assembly includes a connecting block, which is fixedly connected to one end of the connecting rod, a spring is fixedly installed on the other side of the connecting block, and a pressure block is fixedly connected to the other end of the spring. The springs on the four positioning assemblies can buffer the clamping surface of the workpiece to prevent damage to the side surface of the workpiece.

[0009] Preferably, the connecting block is movably connected internally with four guide rods, and one end of the four guide rods is fixedly connected to the four corners of one side of the pressing block respectively. Through the guiding action of the guide rods, the clamping force of the pressing block is leveled, preventing the pressing block from shifting when clamping, thereby facilitating the clamping operation of the workpiece.

[0010] Preferably, a drive motor is fixedly installed inside the machine, and the output end of the drive motor is fixedly connected to the center of the bottom of the bevel gear disk. The drive motor can switch forward and reverse rotations, so that the four positioning components in the placement slot are close to or away from the workpiece, thereby facilitating the positioning operation of the workpiece.

[0011] Preferably, sliders are fixedly provided on the side surfaces of the four connecting rods, and limiting slide rails are provided on the inner walls of the four circular holes. The four sliders are respectively slidably connected to the inside of the four limiting slide rails. When the bevel gear rotates, the connecting rod with its internal thread connection is driven to extend in the circular hole, so that the slider on the connecting rod slides in the limiting slide rail, thereby facilitating the movement and clamping of the positioning assembly in the groove.

[0012] Compared with the prior art, the utility model provides a vertical machining center with high positioning accuracy, which has the following beneficial effects:

[0013] 1. The vertical machining center with high positioning accuracy is provided with a connecting rod, a positioning assembly, a helical gear, a helical toothed disc, a slider and a limit slide rail. The driving motor is turned on to rotate the helical toothed disc, which drives the four helical gears meshing on the surface of the helical toothed disc to rotate, so that the connecting rod connected by the internal thread of the helical gear extends into the placement groove, and the slider on the connecting rod slides in the limit slide rail, so that the four positioning assemblies clamp the workpiece placed in the placement groove, replacing the manual adjustment clamping method, thereby improving the positioning accuracy of the vertical machining center.

[0014] 2. The vertical machining center with high positioning accuracy is equipped with connecting blocks, springs, pressure blocks and guide rods. The springs on the four positioning components can buffer the four clamping surfaces of the workpiece to prevent damage to the side surfaces of the workpiece. The guiding effect of the guide rod makes the clamping force of the pressure block level to prevent the pressure block from deflecting when clamping, thereby enhancing the clamping effect of the workpiece and further improving the positioning accuracy of the vertical machining center. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional view of the structure of the vertical machining center with high positioning accuracy of the utility model;

[0016] Figure 2 For this utility model Figure 1 A magnified view of the structure at center;

[0017] Figure 3 It is a structural schematic diagram of a vertical machining center with high positioning accuracy of the utility model.

[0018] Among them: 1. Machine table; 2. Placement slot; 3. Connecting rod; 4. Positioning assembly; 5. Bevel gear; 6. Bevel gear plate; 7. Connecting block; 8. Spring; 9. Pressing block; 10. Guide rod; 11. Driving motor; 12. Sliding block; 13. Limiting slide rail. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3A vertical machining center with high positioning accuracy comprises a machine table 1, a placement groove 2 is provided on the top of the machine table 1, four side walls of the placement groove 2 are provided with round holes, connecting rods 3 are movably connected inside the four round holes, sliders 12 are fixedly provided on the side surfaces of the four connecting rods 3, and limited position slide rails 13 are provided on the inner walls of the four round holes. The four sliders 12 are respectively slidably connected to the inside of the four limited position slide rails 13, and a positioning assembly 4 is fixedly provided at one end of the four connecting rods 3. The positioning assembly 4 comprises a connecting block 7, the connecting block 7 is fixedly connected to one end of the connecting rod 3, a spring 8 is fixedly installed on the other side of the connecting block 7, and a pressure block 9 is fixedly connected to the other end of the spring 8. Four guide rods 10 are movably connected inside the connecting block 7, and one end of the four guide rods 10 is respectively fixedly connected to the four corners on one side of the pressure block 9. The connecting block 7, the spring 8, the pressure block 9 and the guide rod 10 are provided. The springs 8 on the four positioning assemblies 4 can buffer the four clamping surfaces of the workpiece to prevent the side surface of the workpiece from being damaged. Through the guiding effect of the guide rod 10, the clamping of the pressure block 9 The tightening force is horizontal to prevent the pressure block 9 from deflecting when clamping, thereby enhancing the clamping effect of the workpiece, thereby improving the positioning accuracy of the vertical machining center. The side surfaces of the four connecting rods 3 are all threadedly connected with bevel gears 5, and the four bevel gears 5 are connected to the internal rotation of the machine table 1. The internal rotation of the machine table 1 is connected with a bevel gear plate 6. A drive motor 11 is fixedly installed inside the machine table 1. The output end of the drive motor 11 is fixedly connected to the center of the bottom of the bevel gear plate 6. The side surface of the bevel gear plate 6 meshes with the side surfaces of the four bevel gears 5. Connecting rod 3, positioning assembly 4, bevel gear 5, bevel toothed disc 6, slider 12 and limiting slide rail 13. Turn on the driving motor 11 to rotate the bevel toothed disc 6, which drives the four bevel gears 5 meshing on the surface of the bevel toothed disc 6 to rotate, so that the connecting rod 3 connected to the internal thread of the bevel gear 5 extends into the placement groove 2, and the slider 12 on the connecting rod 3 slides in the limiting slide rail 13, so that the four positioning assemblies 4 clamp the workpiece placed in the placement groove 2, replacing the manually adjusted clamping method, thereby improving the positioning accuracy of the vertical machining center.

[0021] When in use, the workpiece is placed in the placement slot 2, and then the drive motor 11 is turned on to rotate the bevel gear plate 6, driving the four bevel gears 5 meshing on the surface of the bevel gear plate 6 to rotate, so that the connecting rod 3 connected by the internal thread of the bevel gear 5 extends into the placement slot 2, and the slider 12 on the connecting rod 3 slides in the limiting slide rail 13, so that the four positioning components 4 clamp the workpiece placed in the placement slot 2, and the springs 8 on the four positioning components 4 can buffer the four clamping surfaces of the workpiece to prevent damage to the side surface of the workpiece. Through the guiding effect of the guide rod 10, the clamping force of the pressure block 9 is leveled to prevent the pressure block 9 from deflecting during clamping, thereby enhancing the clamping effect of the workpiece. After the workpiece is processed, the drive motor 11 is switched to reverse, so that the four connecting rods 3 extend into the four circular holes respectively, so that the four positioning components 4 are away from the workpiece, and the processed workpiece can be unloaded. The vertical machining center with high positioning accuracy has four positioning components 4 that can automatically clamp and release the workpiece, replacing the manually adjusted clamping method. The clamping effect of the workpiece is stable, which improves the positioning accuracy of the vertical machining center, thereby facilitating the positioning processing of the workpiece.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vertical machining center with high positioning accuracy, comprising a machine platform (1), characterized in that: The top of the machine (1) is provided with a placement groove (2), and the four side walls of the placement groove (2) are provided with circular holes, and the interiors of the four circular holes are movably connected with connecting rods (3), and one end of the four connecting rods (3) is fixedly provided with a positioning assembly (4), and the side surfaces of the four connecting rods (3) are threadedly connected with bevel gears (5), and the four bevel gears (5) are rotatably connected to the interior of the machine (1), and the interior of the machine (1) is rotatably connected with a bevel gear plate (6), and the side surface of the bevel gear plate (6) is meshed with the side surfaces of the four bevel gears (5).

2. A vertical machining center with high positioning accuracy according to claim 1, characterized in that: The positioning assembly (4) comprises a connecting block (7), wherein the connecting block (7) is fixedly connected to one end of the connecting rod (3), a spring (8) is fixedly mounted on the other side of the connecting block (7), and a pressure block (9) is fixedly connected to the other end of the spring (8).

3. A vertical machining center with high positioning accuracy according to claim 2, characterized in that: Four guide rods (10) are movably connected inside the connection block (7), and one end of the four guide rods (10) is respectively fixedly connected to four corners on one side of the pressing block (9).

4. The vertical machining center with high positioning accuracy according to claim 1, characterized in that: A driving motor (11) is fixedly installed inside the machine platform (1), and an output end of the driving motor (11) is fixedly connected to the center of the bottom of the helical gear plate (6).

5. The vertical machining center with high positioning accuracy according to claim 1, characterized in that: The side surfaces of the four connecting rods (3) are all fixedly provided with sliders (12), the inner walls of the four circular holes are all provided with limit slide rails (13), and the four sliders (12) are respectively slidably connected to the inside of the four limit slide rails (13).

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