A fixing tool for numerical control vertical lathe

By designing a base, fixing plate, fitting components, and reinforcement components on a CNC vertical lathe, and utilizing servo motor drive and spring structure, the problem of inaccurate positioning of irregular cylindrical workpieces was solved, achieving high stability and high precision machining results.

CN121042921BActive Publication Date: 2026-02-17DALIAN YIMEI MACHINERY
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Patent Information

Application Number
CN202511605135.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-11-05
Publication Date
2026-02-17
Estimated Expiration
2045-11-05

AI Technical Summary

Technical Problem

Traditional fixed fixtures are difficult to accurately position irregular cylindrical workpieces, resulting in poor clamping fit and reduced clamping stability and machining accuracy of irregular cylindrical workpieces.

Method used

The design includes a base, a fixed plate, a bonding component, and a reinforcing component. A servo motor drives the main gear to rotate the external gear ring and the top gear ring, achieving lower support and upper clamping limit for irregularly shaped cylindrical parts. Combined with a spring and diagonal bar structure, it improves positioning stability and machining accuracy.

Benefits of technology

It improves the positioning stability and machining accuracy of irregular cylindrical parts, meets the requirements of perpendicularity and parallelism, reduces interference and wear, and enhances the stability of clamping and the accuracy of machining.

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Abstract

This invention relates to the field of lathe technology and discloses a fixed fixture for a CNC vertical lathe. The device includes a base, a shaped column, and a lathe body fixedly installed on one side of the top of the base. A fixed plate is rotatably installed on the top of the base, and a fitting assembly is provided on the top of the fixed plate. The fitting assembly includes movable plates symmetrically slidably installed on the top of the fixed plate, and a reinforcing assembly is provided between adjacent movable plates. A crossbar is slidably installed above the movable plates. A spring is sleeved on one side of the crossbar, and a fitting plate is rotatably installed on the other side of the crossbar. An inner rod is slidably installed on the bottom of one side of the movable plate. An arc-shaped pressure block is fixedly connected to one end of the inner rod, and a spring is sleeved on the outer side of the inner rod. By setting up the fitting assembly, the lower support and limit of the shaped column are achieved, and the verticality and parallelism requirements of the shaped column processing are met. Interference and wear on the shaped column are reduced, thereby improving the subsequent processing accuracy of the shaped column.
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Description

TECHNICAL FIELD

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

[0002] The fixing tool is a tooling device for clamping and fixing a workpiece during machining of the workpiece by using a numerical control vertical lathe, so that the workpiece is tightly protected during machining. The traditional fixing tool is composed of a base plate, a bottom fixing group, a rectangular block, a sliding groove and an adjusting tool.

[0003] A fixing tool for a numerical control vertical lathe is disclosed in the patent No. CN222903250U. The surface of the base plate is provided with a motor box, the inside of the motor box is provided with a motor, the output end of the motor is provided with a threaded rod, the surface of the threaded rod is provided with a threaded connecting cylinder, the four sides of the threaded connecting cylinder are respectively provided with a first connecting block, the inside of the first connecting block is movably connected with a first rotating shaft. By setting the side of the stepped sliding block in a stepped shape, the fixing tool can clamp and fix work tools of different sizes. The recessed surface is provided to increase the anti-skid property, improve the friction and anti-skid performance of the parts, and make the machined parts more firmly and stably machined, avoiding the sliding phenomenon and affecting the fixing effect, thereby affecting the machining accuracy.

[0004] However, when the vertical lathe clamps and positions the workpiece, it is necessary to avoid interference and wear on the workpiece, and at the same time, it is necessary to meet the perpendicularity and parallelism requirements of the workpiece during machining. For the special-shaped column workpiece, because the bottom is column-shaped and the upper part is special-shaped, the surface profile is irregular, the traditional three-claw chuck structure is difficult to accurately position, which can easily cause wear on the positioning surface or the machining precision to be substandard, so that the clamping fit of the fixing tool and the special-shaped column workpiece is poor, and the clamping stability and subsequent machining precision of the special-shaped column workpiece are reduced. SUMMARY

[0005] The purpose of the present application is to provide a fixing tool for a numerical control vertical lathe to solve the problem that the fixing tool has poor clamping fit with the special-shaped column workpiece, which causes wear on the positioning surface or the machining precision to be substandard, and reduces the clamping stability and subsequent machining precision of the special-shaped column workpiece.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a fixing tool for a numerical control vertical lathe, comprising a base, a special-shaped column and a lathe body fixedly installed on one side of the top of the base, and a fixing disc rotatably installed on the top of the base;

[0007] Further comprising:

[0008] The top of the fixed plate is provided with a bonding component, which includes movable plates symmetrically slidably mounted on the top of the fixed plate, a reinforcing component between adjacent movable plates, a crossbar slidably mounted above the movable plates, a spring sleeved on one side of the crossbar, and a bonding plate rotatably mounted on the other side of the crossbar.

[0009] An inner rod is slidably installed on one side bottom of the movable plate. An arc-shaped pressure block is fixedly connected to one end of the inner rod. A spring is sleeved on the outside of the inner rod. A push rod is fixedly connected to the other end of the inner rod. An inclined rod is vertically slidably installed on one side inside the movable plate. An inclined surface is provided at the bottom of the inclined rod. The push rod abuts against the inclined surface of the inclined rod.

[0010] The movable plate has a side groove inside, and a pressing block is fixedly installed at the bottom of the side groove. The pressing block is in close contact with the top surface of the crossbar. An adjusting plate is fixedly connected to the outside of the inclined bar. A lower rod is fixedly connected to the bottom of the adjusting plate. A piston block is fixedly connected to the bottom of the lower rod.

[0011] Preferably, a connecting plate is fixedly connected to the bottom of the fixed disk, and servo motors are symmetrically fixedly installed on the top of the connecting plate. There are no fewer than two servo motors. A main gear is fixedly connected to the output end of the servo motor. An external gear ring is fixedly connected to the outer side of the fixed disk. The external gear ring meshes with the main gear. A top gear ring is fixedly connected to the top surface of the external gear ring. A transverse groove is symmetrically opened on the top of the fixed disk. There are no fewer than three transverse grooves. The number of transverse grooves is the same as that of the moving plate.

[0012] By adopting the above technical solution, the two arc-shaped pressure blocks at the bottom clamp and fix the lower outer side of the irregular column, and the bonding plate is used to press and limit the different inclined surfaces on the upper outer side of the irregular column. This not only realizes the lower support and limit of the irregular column, improving the positioning stability of the irregular column, but also meets the verticality and parallelism requirements of the irregular column processing, reducing interference and wear on the irregular column.

[0013] Preferably, a lead screw is rotatably connected inside the transverse groove, one end of the lead screw passes through the fixed plate and is fixedly connected to a driven gear, the top gear ring meshes with the driven gear, a bottom block is threaded to the outside of the lead screw, the bottom block is fixedly connected to the bottom of the moving plate, there are no fewer than two crossbars, and the two ends of the first spring are fixedly connected to the outer ends of the moving plate and the crossbars, respectively.

[0014] By adopting the above technical solution, the servo motor drives the main gear to rotate, the main gear drives the outer gear ring and the top gear ring to rotate, the top gear ring drives the driven gear to rotate, and the rotation of the driven gear causes the bottom block to move on the lead screw.

[0015] Preferably, a hemispherical shell is fixedly connected to the other side of the crossbar, and an inner sphere is rotatably connected inside the hemispherical shell. The side of the inner sphere away from the crossbar is fixedly connected to the bonding plate. A fixed cylinder is also fixedly connected to the bottom of the movable plate, and the inner rod is slidably connected to the fixed cylinder.

[0016] By adopting the above technical solution, the bottom block drives the moving plate to move towards the center, the bonding plate is squeezed by the irregular column, the bonding plate drives the inner sphere to rotate inside the hemispherical shell, and the bonding plate is inclined at the outer angle of the irregular column.

[0017] Preferably, the two ends of the second spring are fixedly connected to the fixed cylinder and the arc-shaped pressure block respectively, the inside of the inclined rod is provided with a vertical groove, the inner top surface of the vertical groove is fixedly connected to the third spring, and the bottom end of the third spring is fixedly connected to the top end of the inclined rod.

[0018] By adopting the above technical solution, the arc-shaped pressure block will not remain stationary. Then the moving plate continues to move, and the moving plate drives the fixed cylinder to compress the second spring. The inner rod drives the push rod to slide into the vertical groove, and the push rod squeezes the inclined surface of the inclined rod, causing the inclined rod to rise.

[0019] Preferably, the number of side grooves is the same as that of the crossbar, the side grooves are connected to the vertical grooves, the inside of the clamping block is vertically provided with a through groove, the piston block is in contact with the through groove, and the bottom surface of the through groove is in close contact with the crossbar.

[0020] By adopting the above technical solution, the adjusting plate pulls the lower rod and piston block to move. The piston block rises inside the through groove, and the clamping block presses against the crossbar, which increases the space inside the through groove and reduces the pressure, making it easier to adsorb and fix the crossbar. Friction blocks can be set on the bottom surface of the clamping block to further improve the limiting and fixing effect on the crossbar.

[0021] Preferably, the reinforcement assembly includes two sets of mounting plates fixedly installed on the outside of the movable plate. Each set of mounting plates includes two symmetrically arranged plates, with a vertical shaft rotatably connected to the inner side of the upper and lower mounting plates, and a side plate fixedly connected to the outside of one vertical shaft.

[0022] By adopting the above technical solution, the side plate can be rotated and adjusted inside the mounting plate through the cooperation of the vertical shaft.

[0023] Preferably, a second side plate is fixedly connected to the outside of the vertical shaft on the other side. The top surface of the first side plate is lower than the bottom surface of the second side plate. Positioning holes are uniformly and vertically opened inside the first and second side plates, and pins are inserted and fixed inside the positioning holes.

[0024] By adopting the above technical solution, the operator rotates side plate one and side plate two so that the adjacent side plate one and side plate two are rotated to the fitting position, and inserts the pin into the overlapping positioning hole, thereby facilitating the fixing of side plate one and side plate two.

[0025] Preferably, the top surface of the base is provided with an installation groove, and a drive motor is fixedly installed on the inner bottom surface of the installation groove. The output end of the drive motor is fixedly connected to the connecting plate by fixing bolts, and the bottom surface of the connecting plate is in contact with the top surface of the base.

[0026] By adopting the above technical solution, it is easy to disassemble the connecting plate as a whole. In subsequent processing, the drive motor drives the connecting plate to rotate, which can realize the rotation of the irregular column after it is fixed, thus meeting the needs of lathe body processing.

[0027] Compared with the prior art, the beneficial effects of the present invention are as follows: By setting the bonding component, the two arc-shaped pressure blocks at the bottom clamp and fix the lower outer side of the irregular column, and the bonding plate is used to press and limit the different inclined surfaces on the upper outer side of the irregular column, thereby increasing the clamping range of the irregular column. This not only achieves the lower support and limitation of the irregular column, improving the positioning stability of the irregular column, but also meets the perpendicularity and parallelism requirements of the irregular column processing, reducing interference and wear on the irregular column, thereby improving the subsequent processing accuracy of the irregular column. The specific details are as follows:

[0028] By setting up the bonding assembly, the operator places the irregularly shaped column at the top center of the fixed plate, then starts the servo motor. The servo motor drives the main gear to rotate, which in turn drives the outer gear ring and the top gear ring to rotate. The top gear ring drives the driven gear to rotate, causing the bottom block to move on the lead screw. The bottom block drives the moving plate to move towards the center, where the bonding plate is pressed by the irregularly shaped column. The bonding plate causes the inner sphere to rotate inside the hemispherical shell, and the bonding plate is tilted at the outer angle of the irregularly shaped column. The bonding plate also drives the crossbar to move, and the outer end of the crossbar is tensioned by a spring, achieving the bonding and pressing of the bonding plate against the outer side of the irregularly shaped column, improving the bonding and positioning effect. At the same time, the moving plate drives the fixed cylinder and the inner rod to move, and the inner rod drives the arc-shaped pressure block to press against the irregularly shaped column. On the lower outer side of the shaped column, the arc-shaped pressure block will not remain stationary. Then the moving plate continues to move, and the moving plate drives the fixed cylinder to compress the second spring. The inner rod drives the push rod to slide into the vertical groove. The push rod presses the inclined surface of the inclined rod, causing the inclined rod to rise. The inclined rod compresses the third spring and drives the adjusting plate to rise. The adjusting plate slides inside the side groove, and the adjusting plate pulls the lower rod and piston block to move. The piston block rises inside the through groove, and the clamping block presses against the crossbar, which increases the space inside the through groove and reduces the pressure, making it easier to adsorb and fix the crossbar and reducing the sliding of the crossbar. This not only achieves the lower support limit of the shaped column and improves the positioning stability of the shaped column, but also meets the verticality and parallelism requirements of the shaped column processing, and improves the subsequent processing accuracy of the shaped column workpiece.

[0029] By setting up reinforcement components, after the moving plate is moved, since the height of side plate one is lower than that of side plate two, the operator rotates side plate one and side plate two so that the adjacent side plates one and two rotate to the fitting position. The pin is then inserted into the overlapping positioning hole, which facilitates the fixing of side plate one and side plate two, further fixing the position of the moving plate and reducing the position movement of the moving plate, thereby helping to improve the stability of the clamping. The connecting plate is fixed to the output end of the drive motor by fixing bolts, which facilitates the overall disassembly of the connecting plate. During subsequent processing, the operator starts the drive motor, which drives the connecting plate to rotate, which facilitates the rotation of the irregular column after it is fixed, meeting the needs of lathe body processing. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the first three-dimensional overall structure of the present invention;

[0031] Figure 2 This is a schematic diagram of the second three-dimensional overall structure of the present invention;

[0032] Figure 3 This is a schematic cross-sectional view of the base structure of the present invention;

[0033] Figure 4 For the present invention Figure 3 Enlarged structural diagram at point A in the middle;

[0034] Figure 5 This is a schematic diagram of the fixed disk structure of the present invention;

[0035] Figure 6 For the present invention Figure 5 Enlarged structural diagram at point B;

[0036] Figure 7 This is a schematic diagram of the movable plate structure of the present invention;

[0037] Figure 8 For the present invention Figure 7 Enlarged structural diagram at point C;

[0038] Figure 9 This is a schematic diagram of the arc-shaped pressure block structure of the present invention;

[0039] Figure 10 For the present invention Figure 9 Enlarged structural diagram at point D;

[0040] Figure 11 For the present invention Figure 9 Enlarged structural diagram at point E;

[0041] Figure 12 This is a schematic cross-sectional view of the clamping block of the present invention;

[0042] Figure 13This is a schematic diagram of the side plate structure of the present invention;

[0043] Figure 14 For the present invention Figure 13 Enlarged structural diagram at point F.

[0044] In the diagram: 1. Base; 2. Connecting plate; 3. Fixing plate; 4. Adhesion assembly; 41. Servo motor; 42. Main gear; 43. External gear ring; 44. Top gear ring; 45. Horizontal groove; 46. Lead screw; 47. Driven gear; 48. Base block; 49. Moving plate; 410. Crossbar; 411. Spring 1; 412. Hemispherical shell; 413. Inner sphere; 414. Adhesion plate; 415. Fixing cylinder; 416. Inner rod; 417. Arc-shaped pressure. 418. Spring 2; 419. Vertical slot; 420. Push rod; 421. Spring 3; 422. Diagonal rod; 423. Side slot; 424. Clamping block; 425. Adjusting plate; 426. Lower rod; 427. Piston block; 5. Reinforcing assembly; 51. Mounting plate; 52. Vertical shaft; 53. Side plate 1; 54. Side plate 2; 55. Positioning hole; 56. Pin; 6. Lathe body; 7. Irregular column; 8. Mounting slot; 9. Drive motor. Detailed Implementation

[0045] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0046] Please see Figure 1 - Figure 2 The present invention provides a technical solution: a fixed fixture for a CNC vertical lathe, comprising a base 1, an irregular column 7 and a lathe body 6 fixedly installed on one side of the top of the base 1, and a fixed plate 3 rotatably installed on the top of the base 1, and a fitting component 4 is provided on the top of the fixed plate 3.

[0047] like Figure 4 - Figure 12 As shown, the bonding assembly 4 includes a movable plate 49 symmetrically slidably mounted on the top of the fixed plate 3, a crossbar 410 slidably mounted above the movable plate 49, a spring 411 sleeved on one side of the crossbar 410, and a bonding plate 414 rotatably mounted on the other side of the crossbar 410.

[0048] An inner rod 416 is slidably installed on one side bottom of the movable plate 49. An arc-shaped pressure block 417 is fixedly connected to one end of the inner rod 416. A spring 418 is sleeved on the outside of the inner rod 416. A push rod 420 is fixedly connected to the other end of the inner rod 416. A diagonal rod 422 is vertically slidably installed on one side inside the movable plate 49. An inclined surface is provided at the bottom of the diagonal rod 422. The push rod 420 abuts against the inclined surface of the diagonal rod 422.

[0049] A connecting plate 2 is fixedly connected to the bottom of the fixed disk 3. A servo motor 41 is symmetrically fixedly installed on the top of the connecting plate 2. There are no fewer than two servo motors 41. A main gear 42 is fixedly connected to the output end of the servo motor 41. An external gear ring 43 is fixedly connected to the outer side of the fixed disk 3. The external gear ring 43 meshes with the main gear 42. A top gear ring 44 is fixedly connected to the top surface of the external gear ring 43. A transverse groove 45 is symmetrically opened on the top of the fixed disk 3. There are no fewer than three transverse grooves 45. The number of transverse grooves 45 is the same as that of the moving plate 49.

[0050] A lead screw 46 is rotatably connected inside the transverse groove 45. One end of the lead screw 46 passes through the fixed plate 3 and is fixedly connected to a driven gear 47. The top gear ring 44 meshes with the driven gear 47. A bottom block 48 is threadedly connected to the outside of the lead screw 46. The bottom block 48 is fixedly connected to the bottom of the moving plate 49. There are at least two crossbars 410. The two ends of the spring 411 are fixedly connected to the outer ends of the moving plate 49 and the crossbars 410, respectively.

[0051] A hemispherical shell 412 is fixedly connected to the other side of the crossbar 410. An inner ball 413 is rotatably connected inside the hemispherical shell 412. The side of the inner ball 413 away from the crossbar 410 is fixedly connected to the bonding plate 414. A fixed cylinder 415 is also fixedly connected to the bottom of the movable plate 49. The inner rod 416 is slidably connected to the fixed cylinder 415.

[0052] The two ends of spring 418 are fixedly connected to the fixed cylinder 415 and the arc-shaped pressure block 417 respectively. The inside of the inclined rod 422 is provided with a vertical groove 419. Spring 421 is fixedly connected to the inner top surface of the vertical groove 419. The bottom end of spring 421 is fixedly connected to the top end of the inclined rod 422.

[0053] The movable plate 49 has a side groove 423 inside. A pressing block 424 is fixedly installed at the bottom of the side groove 423. The pressing block 424 is in close contact with the top surface of the crossbar 410. An adjusting plate 425 is fixedly connected to the outside of the inclined rod 422. A lower rod 426 is fixedly connected to the bottom of the adjusting plate 425. A piston block 427 is fixedly connected to the bottom of the lower rod 426.

[0054] The number of side grooves 423 is the same as that of the crossbar 410. The side grooves 423 are connected to the vertical grooves 419. The inside of the pressing block 424 has a vertical through groove. The piston block 427 fits into the through groove. The bottom surface of the through groove fits tightly into the crossbar 410.

[0055] Example 1: As Figure 1 - Figure 3 As shown, the operator places the irregular column 7 in the top center of the fixed plate 3, and then starts the servo motor 41. The servo motor 41 drives the main gear 42 to rotate, the main gear 42 drives the outer gear ring 43 and the top gear ring 44 to rotate, the top gear ring 44 drives the driven gear 47 to rotate, and the driven gear 47 rotates, causing the bottom block 48 to move on the lead screw 46. The bottom block 48 drives the moving plate 49 to move towards the center, and the bonding plate 414 is squeezed by the irregular column 7. The bonding plate 414 drives the inner sphere 413 to rotate inside the hemispherical shell 412, and the bonding plate 414 is inclined at the outer angle of the irregular column 7.

[0056] The bonding plate 414 drives the crossbar 410 to move. The outer end of the crossbar 410 is stretched by the spring 411, which realizes the bonding and pressing of the bonding plate 414 onto the outside of the irregular column 7, improving the bonding and positioning effect of the irregular column 7. At the same time, the moving plate 49 drives the fixed cylinder 415 and the inner rod 416 to move. The inner rod 416 drives the arc-shaped pressure block 417 to press against the lower outer side of the irregular column 7. At this time, the arc-shaped pressure block 417 will not move. Then the moving plate 49 continues to move. The moving plate 49 drives the fixed cylinder 415 to compress the spring 418. The inner rod 416 drives the push rod 420 to slide into the vertical groove 419. The push rod 420 presses the inclined surface of the inclined rod 422, causing the inclined rod 422 to rise. The inclined rod 422 compresses the spring 421 and drives the adjusting plate 425 to rise. The adjusting plate 425 slides inside the side groove 423.

[0057] The adjusting plate 425 pulls the lower rod 426 and piston block 427 to move. The piston block 427 rises inside the through groove, and the clamping block 424 presses against the crossbar 410, which increases the space inside the through groove and reduces the pressure, making it easier to adsorb and fix the crossbar 410 and reducing the sliding of the crossbar 410. This not only achieves the lower support and limit of the irregular column 7 and improves the positioning stability of the irregular column 7, but also meets the perpendicularity and parallelism requirements of the irregular column 7 processing, and improves the subsequent processing accuracy of the irregular column workpiece.

[0058] like Figure 1 , Figure 3 and Figure 13 - Figure 14 As shown, a reinforcing assembly 5 is provided between adjacent movable plates 49. The reinforcing assembly 5 includes two sets of mounting plates 51 that are fixedly installed on the outside of the movable plates 49. Each set of mounting plates 51 includes two symmetrically arranged plates. A vertical shaft 52 is rotatably connected to the inner side of the upper and lower mounting plates 51, and a side plate 53 is fixedly connected to the outside of one side of the vertical shaft 52.

[0059] On the other side, a second side plate 54 is fixedly connected to the outside of the vertical shaft 52. The top surface of the first side plate 53 is lower than the bottom surface of the second side plate 54. Positioning holes 55 are evenly and vertically opened inside the first side plate 53 and the second side plate 54. A pin 56 is inserted and fixed inside the positioning hole 55.

[0060] The top surface of the base 1 is also provided with an installation groove 8. The inner bottom surface of the installation groove 8 is fixedly installed with a drive motor 9. The output end of the drive motor 9 is fixedly connected to the connecting plate 2 by fixing bolts. The bottom surface of the connecting plate 2 is in contact with the top surface of the base 1.

[0061] Example 2: Figure 13 - Figure 14 As shown, after the moving plate 49 has moved, since the height of side plate 1 53 is lower than that of side plate 2 54, the operator rotates side plate 1 53 and side plate 2 54 so that the adjacent side plate 1 53 and side plate 2 54 rotate to the fitting position. The pin 56 is inserted into the overlapping positioning hole 55, which facilitates the fixing of side plate 1 53 and side plate 2 54 and further fixes the position of moving plate 49, reducing the position movement of moving plate 49 and thus helping to improve the stability of clamping. The connecting plate 2 is fixedly installed to the output end of the drive motor 9 by fixing bolts, which facilitates the overall disassembly of the connecting plate 2. During subsequent processing, the operator starts the drive motor 9, which drives the connecting plate 2 to rotate, which facilitates the rotation of the irregular column 7 after it is fixed, and meets the processing needs of the lathe body 6.

[0062] Working principle: When using this device, firstly, as... Figure 1 - Figure 14As shown, the operator places the irregularly shaped column 7 at the top center of the fixed plate 3, then starts the servo motor 41. The bonding plate 414 is pressed by the irregularly shaped column 7, and the bonding plate 414 drives the inner ball 413 to rotate inside the hemispherical shell 412. The bonding plate 414 is inclined at the outer angle of the irregularly shaped column 7, realizing the bonding plate 414 to press the outer side of the irregularly shaped column 7. At the same time, the moving plate 49 drives the fixed cylinder 415 and the inner rod 416 to move. The inner rod 416 drives the arc-shaped pressure block 417 to press against the lower outer side of the irregularly shaped column 7. At this time, the arc-shaped pressure block 417 will not move. Then the moving plate 49 continues to move, and the moving plate 49 drives the fixed cylinder 415 to compress the spring 418. The inner rod 416 drives the push rod 420 to slide into the vertical groove 419. The push rod 420 presses the inclined surface of the inclined rod 422, causing the inclined rod 422 to rise. The inclined rod 422 compresses the spring. Spring 421 drives the adjusting plate 425 to rise. The adjusting plate 425 slides inside the side groove 423, and the adjusting plate 425 pulls the lower rod 426 and piston block 427 to move. The piston block 427 rises inside the through groove, which facilitates the adsorption and fixation of the crossbar 410. This not only achieves the lower support limit of the irregular column 7 and improves the positioning stability of the irregular column 7, but also meets the verticality and parallelism requirements of the irregular column 7 processing, and improves the subsequent processing accuracy of the irregular column workpiece. After the moving plate 49 has moved, since the height of side plate 1 53 is lower than that of side plate 2 54, the operator rotates side plate 1 53 and side plate 2 54 so that the adjacent side plate 1 53 and side plate 2 54 rotate to the fitting position. The pin 56 is inserted into the overlapping positioning hole 55, which facilitates the fixation of side plate 1 53 and side plate 2 54, and further fixes the position of the moving plate 49.

[0063] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0064] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A fixture for a CNC vertical lathe, comprising a base (1), a shaped column (7) and a lathe body (6) fixedly mounted on one side of the top of the base (1), wherein a fixed plate (3) is rotatably mounted on the top of the base (1). Its features are, Also includes: The top of the fixed plate (3) is provided with a bonding component (4). The bonding component (4) includes a movable plate (49) symmetrically slidably installed on the top of the fixed plate (3). A reinforcing component (5) is provided between adjacent movable plates (49). A crossbar (410) is slidably installed above the movable plate (49). A spring (411) is sleeved on one side of the crossbar (410). A bonding plate (414) is rotatably installed on the other side of the crossbar (410). An inner rod (416) is slidably installed on one side bottom of the movable plate (49). An arc-shaped pressure block (417) is fixedly connected to one end of the inner rod (416). A spring (418) is sleeved on the outside of the inner rod (416). A push rod (420) is fixedly connected to the other end of the inner rod (416). An inclined rod (422) is vertically slidably installed on one side inside the movable plate (49). An inclined surface is provided at the bottom of the inclined rod (422). The push rod (420) abuts against the inclined surface of the inclined rod (422). The movable plate (49) has a side groove (423) inside. A pressing block (424) is fixedly installed at the bottom of the side groove (423). The pressing block (424) is in close contact with the top surface of the crossbar (410). An adjusting plate (425) is fixedly connected to the outside of the inclined rod (422). A lower rod (426) is fixedly connected to the bottom of the adjusting plate (425). A piston block (427) is fixedly connected to the bottom of the lower rod (426).

2. The fixture for a CNC vertical lathe according to claim 1, characterized in that: The bottom of the fixed disk (3) is fixedly connected to a connecting plate (2), and the top of the connecting plate (2) is symmetrically fixedly installed with servo motors (41). There are no fewer than two servo motors (41). The output end of the servo motors (41) is fixedly connected to a main gear (42). The outer side of the fixed disk (3) is fixedly connected to an external gear ring (43). The external gear ring (43) meshes with the main gear (42). The top surface of the external gear ring (43) is fixedly connected to a top gear ring (44). The top of the fixed disk (3) is symmetrically provided with transverse grooves (45). There are no fewer than three transverse grooves (45). The number of transverse grooves (45) is the same as that of the moving plate (49).

3. A fixed fixture for a CNC vertical lathe according to claim 2, characterized in that: The inside of the transverse groove (45) is rotatably connected to a lead screw (46). One end of the lead screw (46) passes through the fixed plate (3) and is fixedly connected to a driven gear (47). The top gear ring (44) meshes with the driven gear (47). The outside of the lead screw (46) is threadedly connected to a bottom block (48). The bottom block (48) is fixedly connected to the bottom of the moving plate (49). There are at least two crossbars (410). The two ends of the spring (411) are fixedly connected to the outer ends of the moving plate (49) and the crossbars (410), respectively.

4. A fixed fixture for a CNC vertical lathe according to claim 3, characterized in that: A hemispherical shell sleeve (412) is fixedly connected to the other side of the crossbar (410). An inner sphere (413) is rotatably connected inside the hemispherical shell sleeve (412). The side of the inner sphere (413) away from the crossbar (410) is fixedly connected to the bonding plate (414). A fixed cylinder (415) is also fixedly connected to the bottom of the movable plate (49). The inner rod (416) is slidably connected to the fixed cylinder (415).

5. A fixed fixture for a CNC vertical lathe according to claim 4, characterized in that: The two ends of the second spring (418) are fixedly connected to the fixed cylinder (415) and the arc-shaped pressure block (417) respectively. The inside of the inclined rod (422) is provided with a vertical groove (419). The inner top surface of the vertical groove (419) is fixedly connected to the third spring (421). The bottom end of the third spring (421) is fixedly connected to the top end of the inclined rod (422).

6. A fixed fixture for a CNC vertical lathe according to claim 1, characterized in that: The number of side grooves (423) is the same as that of the crossbar (410). The side grooves (423) are connected to the vertical grooves (419). The pressing block (424) has a through groove in the inside. The piston block (427) fits into the through groove. The bottom surface of the through groove fits tightly into the crossbar (410).

7. A fixed fixture for a CNC vertical lathe according to claim 1, characterized in that: The reinforcement component (5) includes two sets of mounting plates (51) that are fixedly installed on the outside of the movable plate (49). Each set of mounting plates (51) includes two symmetrically arranged upper and lower. The inner side of the upper and lower mounting plates (51) is rotatably connected to a vertical shaft (52), and the outer side of one vertical shaft (52) is fixedly connected to a side plate (53).

8. A fixed fixture for a CNC vertical lathe according to claim 7, characterized in that: On the other side, the vertical shaft (52) is fixedly connected to the outside of the side plate two (54). The top surface of the side plate one (53) is lower than the bottom surface of the side plate two (54). The side plate one (53) and the side plate two (54) are uniformly vertically provided with positioning holes (55). The positioning holes (55) are fixedly inserted with pins (56).

9. A fixed fixture for a CNC vertical lathe according to claim 1, characterized in that: The top surface of the base (1) is also provided with an installation groove (8), and a drive motor (9) is fixedly installed on the inner bottom surface of the installation groove (8). The output end of the drive motor (9) is fixedly connected to the connecting plate (2) by fixing bolts, and the bottom surface of the connecting plate (2) is in contact with the top surface of the base (1).

Citation Information

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