Fixing device for numerical control lathe

Abstract

The utility model relates to the technical field of numerical control lathes, and discloses a fixing device for a numerical control lathe, which comprises a machining table, the upper surface of the machining table is in contact with a bottom plate, the upper surface of the bottom plate is in contact with an adjusting plate, a lifting plate is arranged above the adjusting plate, and the upper surface of the lifting plate is fixedly connected with a fixing block. And a fixing cylinder is rotationally connected to the interior of the fixing block, a plurality of arc-shaped clamping blocks arranged circumferentially are arranged on the inner wall of the left end of the fixing cylinder, and an ejector pin is fixedly connected to the inner side wall of the right side of the fixing cylinder. According to the fixing device for the numerical control lathe, the horizontal position and the height of the fixing barrel can be adjusted through the arranged adjusting threaded rod and the arranged bidirectional threaded rod, the effect that the ejector pin fixes bars with different heights is achieved, the bars can be further supported through mutual approaching and mutual leaving of the multiple arc-shaped clamping blocks, and the clamping effect is improved. And therefore, the stability of the bar during machining is improved, and the turning precision is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of numerical control lathes, in particular to a fixing device for a numerical control lathe. BACKGROUND

[0002] The numerical control lathe and the turning center are high-precision and high-efficiency automatic machines. The numerical control lathe is provided with a multi-station tool tower or a power tool tower, and the machine tool has a wide machining process performance and can machine complex workpieces such as straight cylinders, inclined cylinders, arcs, various threads, grooves and worms.

[0003] In order to prevent the vibration of the workpiece during the machining of the long shaft workpiece, a top pin is used to press against the other end of the workpiece, which can reduce the vibration, but the machining precision of the long shaft workpiece is still difficult to guarantee. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the application provides a fixing device for a numerical control lathe, which has the advantages of high machining precision and solves the problem that the vibration of the workpiece affects the precision during the machining of the long shaft workpiece.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a fixing device for a numerical control lathe, comprising a machining table, the upper surface of the machining table is in contact with a bottom plate, the upper surface of the bottom plate is in contact with an adjusting plate, and the upper portion of the adjusting plate is provided with a lifting plate.

[0006] The upper surface of the lifting plate is fixedly connected with a fixed block, the inside of the fixed block is rotatably connected with a fixed cylinder, the left end inner wall of the fixed cylinder is provided with a plurality of circumferentially arranged arc-shaped clamping blocks, and the right side inner wall of the fixed cylinder is fixedly connected with a top pin.

[0007] Through the above-mentioned scheme, the horizontal position and the height of the fixed cylinder can be adjusted through the adjusting screw rod and the bidirectional screw rod, the effect of fixing the top pin for the rod material of different heights is achieved, the rod material can be further supported through the mutual approaching and moving away of the plurality of arc-shaped clamping blocks, so that the stability of the rod material during machining is improved, and the turning precision is further improved.

[0008] Further, the adjusting screw rod is rotatably connected between the left and right inner side walls of the bottom plate, and the adjusting plate is threadedly connected with the adjusting screw rod.

[0009] Through the above-mentioned scheme, the transverse movement purpose of the adjusting plate can be achieved through the setting of the adjusting screw rod.

[0010] Further, the bottom of the adjusting plate is fixedly connected with two limiting blocks, and the two limiting blocks are slidably connected with the bottom plate.

[0011] Through the above scheme, through the setting of the limiting block, the purpose of limiting the movement of the adjusting plate can be achieved.

[0012] Further, the upper surface of the adjusting plate is fixedly connected with two symmetrically arranged power plates, a bidirectional threaded rod is rotatably connected between the two power plates, sliding blocks are threadedly connected to the front and rear ends of the bidirectional threaded rod respectively, both sliding blocks are in contact with the adjusting plate, and hinge joints are arranged on the upper surfaces of both sliding blocks.

[0013] Through the above scheme, through the setting of the bidirectional threaded rod and the hinge joint, power can be provided for the up-and-down movement of the lifting plate.

[0014] Further, four matrix-arranged telescopic sleeves are fixedly connected between the adjusting plate and the lifting plate.

[0015] Through the above scheme, through the setting of the telescopic sleeve, the up-and-down movement of the lifting plate can be limited.

[0016] Further, the left end outer surface of the fixed cylinder is threadedly connected with three circumferentially arranged fixed rods, the other end of each fixed rod is rotatably connected with the arc-shaped clamping block adjacent thereto, one side of each arc-shaped clamping block is fixedly connected with two guide rods, and each guide rod is slidably inserted into the fixed cylinder.

[0017] Through the above scheme, through the setting of the fixed rod, the purpose of moving the arc-shaped clamping block can be achieved, and the bar material can be fixed.

[0018] Further, the front and rear surfaces of the bottom plate are fixedly connected with fixed plates, and the upper surface of each fixed plate is provided with a fixed hole.

[0019] Through the above scheme, through the setting of the fixed plate and the fixed hole, the user can conveniently fix the bottom plate.

[0020] Further, a plurality of thread holes are arranged on the upper surface of the machining table.

[0021] Through the above scheme, through the setting of the thread hole, the user can conveniently connect the bottom plate with the machining table by using external bolts.

[0022] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0023] The fixing device for a numerical control lathe can adjust the horizontal position and height of the fixed cylinder through the setting of the adjusting threaded rod and the bidirectional threaded rod, can achieve the effect of fixing the bar material at different heights by the thimble, can further support the bar material through the mutual approach and mutual departure of the plurality of arc-shaped clamping blocks, thereby improving the stability of the bar material during machining and improving the turning precision. Attached Figure Description

[0024] Figure 1 This is a left view of the overall structure of this application;

[0025] Figure 2 This is a three-dimensional schematic diagram of the overall structure of this application. Figure 1 ;

[0026] Figure 3 This is a three-dimensional schematic diagram of the overall structure of this application. Figure 2 ;

[0027] Figure 4 This is a sectional view of the overall structure of this application from the front.

[0028] In the picture:

[0029] 1. Machining table; 2. Base plate; 3. Adjusting plate; 4. Lifting plate; 5. Fixing block; 6. Fixing cylinder; 7. Arc-shaped clamping block; 8. Ejector pin; 9. Adjusting threaded rod; 10. Limiting block; 11. Power plate; 12. Bidirectional threaded rod; 13. Sliding block; 14. Connecting rod; 15. Telescopic sleeve; 16. Fixing rod; 17. Guide rod; 18. Fixing plate; 19. Fixing hole; 20. Threaded hole. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0031] Please see Figure 1 , Figure 2 and Figure 3 The fixing device for a CNC lathe in this embodiment includes a machining table 1, the upper surface of which contacts a base plate 2. The upper surface of the machining table 1 is provided with a plurality of distributed threaded holes 20. The threaded holes 20 facilitate the connection of the base plate 2 and the machining table 1 using external bolts.

[0032] Please see Figure 1 , Figure 3 and Figure 4The upper surface of the bottom plate 2 is in contact with the adjusting plate 3, the left and right inner side walls of the bottom plate 2 are rotationally connected with the adjusting threaded rod 9, the adjusting plate 3 is threadedly connected with the adjusting threaded rod 9, through the setting of the adjusting threaded rod 9, the transverse movement of the adjusting plate 3 can be realized, the upper portion of the adjusting plate 3 is provided with the lifting plate 4, the bottom of the adjusting plate 3 is fixedly connected with two limiting blocks 10, the two limiting blocks 10 are slidably connected with the bottom plate 2, through the setting of the limiting blocks 10, the movement of the adjusting plate 3 can be limited.

[0033] Please refer to Figure 1 , Figure 2 and Figure 3 , the upper surface of the adjusting plate 3 is fixedly connected with two symmetrically arranged power plates 11, the two power plates 11 are rotationally connected with the bidirectional threaded rod 12, the front and rear ends of the bidirectional threaded rod 12 are threadedly connected with the sliding blocks 13, the two sliding blocks 13 are in contact with the adjusting plate 3, the upper surfaces of the two sliding blocks 13 are hingedly connected with the connecting rods 14, the top ends of the two connecting rods 14 are hingedly connected with the lifting plate 4, through the setting of the bidirectional threaded rod 12 and the connecting rods 14, power can be provided for the up-down movement of the lifting plate 4, the upper surface of the lifting plate 4 is fixedly connected with the fixed block 5, the inside of the fixed block 5 is rotationally connected with the fixed cylinder 6.

[0034] Please refer to Figure 1 , Figure 2 and Figure 3 , the left end outer surface of the fixed cylinder 6 is threadedly connected with three circumferentially arranged fixed rods 16, the other end of each fixed rod 16 is rotationally connected with the arc-shaped clamping block 7 close to it, one side of each arc-shaped clamping block 7 is fixedly connected with two guide rods 17, each guide rod 17 is slidably inserted into the fixed cylinder 6, through the setting of the fixed rod 16, the arc-shaped clamping block 7 can be driven to move, the left end inner wall of the fixed cylinder 6 is provided with a plurality of circumferentially arranged arc-shaped clamping blocks 7, the right side inner side wall of the fixed cylinder 6 is fixedly connected with the thimble 8.

[0035] Please refer to Figure 1 , Figure 2 and Figure 3 , in addition, the adjusting plate 3 and the lifting plate 4 are fixedly connected with four matrix-arranged telescopic sleeves 15, through the setting of the telescopic sleeves 15, the up-down movement of the lifting plate 4 can be limited, the front and rear surfaces of the bottom plate 2 are fixedly connected with the fixed plates 18, the upper surface of the fixed plate 18 is provided with the fixed hole 19, through the setting of the fixed plate 18 and the fixed hole 19, the user can fix the bottom plate 2.

[0036] The fixed device for numerical control lathe in the embodiment can adjust the horizontal position and height of the fixed cylinder 6 through the adjusting threaded rod 9 and the bidirectional threaded rod 12, so that the thimble 8 can fix the bar material of different heights, the arc-shaped clamping blocks 7 can be close to or away from each other, the bar material can be further supported, the stability of the bar material during machining is improved, and the turning precision is improved.

[0037] It should be noted that before use, the bottom plate 2 is fixed to the machining table 1 through external bolts.

[0038] The working principle of the above embodiment is as follows: in use, the bar material is connected with an external lathe chuck, then the height of the lifting plate 4 is adjusted by driving the bidirectional threaded rod 12, so that the fixed cylinder 6 is concentric with the bar material, then the thimble 8 in the fixed cylinder 6 is in contact with the round bar material by driving the adjusting threaded rod 9, then the arc-shaped clamping blocks 7 are in stable contact with the bar material by rotating the plurality of fixed rods 16, the bar material is stably clamped, and the fixed cylinder 6 is driven to rotate during the rotation of the bar material, and the bar material is turned by an external tool.

[0039] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fixing device for a numerical control lathe, comprising a machining table (1), characterized in that: The upper surface of the processing table (1) is in contact with a bottom plate (2), the upper surface of the bottom plate (2) is in contact with an adjusting plate (3), and the upper side of the adjusting plate (3) is provided with a lifting plate (4); The upper surface of the lifting plate (4) is fixedly connected with a fixed block (5), the inner side of the fixed block (5) is rotatably connected with a fixed cylinder (6), the left end inner wall of the fixed cylinder (6) is provided with a plurality of circumferentially arranged arc-shaped clamping blocks (7), and the right side inner wall of the fixed cylinder (6) is fixedly connected with a thimble (8).

2. A fixture for a CNC lathe according to claim 1, characterized in that: The left and right inner side walls of the bottom plate (2) are rotatably connected with an adjusting threaded rod (9), and the adjusting plate (3) is threadedly connected with the adjusting threaded rod (9).

3. The fixture for a CNC lathe according to claim 1, characterized in that: The bottom of the adjusting plate (3) is fixedly connected with two limiting blocks (10), and the two limiting blocks (10) are slidably connected with the bottom plate (2).

4. The fixture for a CNC lathe according to claim 1, wherein: The upper surface of the adjusting plate (3) is fixedly connected with two symmetrically arranged power plates (11), the two power plates (11) are rotatably connected with a bidirectional threaded rod (12), the front and rear ends of the bidirectional threaded rod (12) are threadedly connected with sliding blocks (13), respectively, the two sliding blocks (13) are in contact with the adjusting plate (3), the upper surfaces of the two sliding blocks (13) are hingedly connected with connecting rods (14), and the top ends of the two connecting rods (14) are hingedly connected with the lifting plate (4).

5. The fixture for a CNC lathe according to claim 1, characterized in that: The adjusting plate (3) and the lifting plate (4) are fixedly connected with four matrix-arranged telescopic sleeves (15).

6. A fixture for a CNC lathe as claimed in claim 1, wherein: The left end outer surface of the fixed cylinder (6) is threadedly connected with three circumferentially arranged fixed rods (16), the other end of each fixed rod (16) is rotatably connected with the arc-shaped clamping block (7) adjacent thereto, one side of each arc-shaped clamping block (7) is fixedly connected with two guide rods (17), and each guide rod (17) is slidably inserted into the fixed cylinder (6).

7. A fixture for a CNC lathe as claimed in claim 1, wherein: The front and rear surfaces of the bottom plate (2) are fixedly connected with fixed plates (18), and the upper surfaces of the fixed plates (18) are provided with fixed holes (19).

8. The fixture for a CNC lathe according to claim 1, wherein: The upper surface of the processing table (1) is provided with a plurality of distributedly arranged threaded holes (20).

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