Spindle clamping seat for lathe

Abstract

The invention belongs to the technical field of numerical control lathes, and discloses a lathe spindle clamping seat which comprises a bottom plate, a mounting plate is arranged at the top of the bottom plate, a threaded rod is arranged between the mounting plate and the bottom plate, the bottom end of the threaded rod is in threaded connection with the bottom plate, the threaded rod penetrates through the mounting plate, a limiting block is arranged at the top end of the threaded rod, and an adjusting nut is fixed to the surface of the threaded rod. A clamping assembly used for fixing a cut workpiece is arranged at the top of the mounting plate, in the clamping assembly, the workpiece is placed in a limiting frame through a clamping groove, then under driving of a clamping motor, transmission gears at the two ends of a connecting rod can drive a gear ring to rotate, and then an arc-shaped groove in the surface of the gear ring can drive a supporting rod to move; the supporting rod can push the clamping block into the clamping groove through the guide rod, so that the clamping block fixes the cut workpiece, the device can clamp workpieces with different diameters without replacing different clamping seats, the adaptability of the device is enhanced, and the cutting efficiency of the workpiece is improved.

Description

Technical Field

[0001] The invention relates to the technical field of numerically controlled lathes, and in particular to a spindle clamping seat for a lathe. Background Art

[0002] CNC lathe is a large-scale equipment that processes workpieces by grinding or cutting. It plays a very important role in the industrial production process and has a wide range of applications. The spindle clamp for lathe is an important component used to clamp workpieces or tools on the lathe. It is usually installed on the spindle of the lathe, and the workpiece or tool is fixed on the clamp through a clamping mechanism for turning. There are many structural forms of spindle clamps, the most common ones are three-jaw self-centering chucks, four-jaw single-action chucks, spring chucks, hydraulic chucks, etc. Different types of spindle clamps are suitable for workpieces or tools of different shapes and sizes, and have different clamping forces and precisions.

[0003] For example, the invention with announcement number CN110091194A provides a three-axis workpiece clamping seat for CNC lathe processing, including a lathe base, a first screw rod, a slide rail, a displacement seat and a clamping sleeve, the lathe base is equipped with a first screw rod and a slide rail, the side of the first axial plate is equipped with a first motor, the clamping sleeve is located above the second axial plate, and the side of the clamping sleeve is provided with two vertically distributed vertical plates, and the clamping sleeve is rotatably connected with the vertical plate through a horizontal axis, and a first transmission wheel is installed at the end of the horizontal axis. The three-axis workpiece clamping seat for CNC lathe processing reduces the overall thickness of the clamping seat on the basis of realizing dual-axis movement by embedding the second axial plate in the first axial plate, and cooperates with the internal structure design of the second axial plate to achieve the purpose of automatic vertical flipping of the workpiece, greatly improves the processing efficiency of the workpiece, and further reduces labor input.

[0004] The prior art has the following problems: the existing spindle clamp for lathes has poor adaptability, and different clamps need to be replaced when clamping workpieces of different diameters, which takes a lot of time and reduces the cutting efficiency of the lathe. Moreover, most of the existing devices fix the workpiece on the lathe and cannot be adjusted, so that the workpiece cannot be adjusted at multiple angles with the cutter during cutting, reducing the functionality of the lathe during cutting.

[0005] For this reason, a spindle clamp for a lathe is proposed. Summary of the invention

[0006] The purpose of the present invention is to solve the problem that the adaptability of the existing spindle clamp for lathes is poor. Different clamps need to be replaced when clamping workpieces of different diameters, which takes a lot of time and reduces the cutting efficiency of the lathe. In addition, most of the existing devices fix the workpiece on the lathe and cannot be adjusted, so that the workpiece cannot be adjusted at multiple angles with the cutter during cutting, which reduces the functionality of the lathe during cutting. The present invention provides a spindle clamp for a lathe.

[0007] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0008] A spindle clamp for a lathe comprises a base plate, a mounting plate is provided on the top of the base plate, a threaded rod is provided between the mounting plate and the base plate, and the bottom end of the threaded rod is threadedly connected to the base plate, and the threaded rod passes through the mounting plate, a limit block is provided on the top of the threaded rod, an adjusting nut is fixed on the surface of the threaded rod, a clamping assembly for fixing a cutting workpiece is provided on the top of the mounting plate, an adjusting assembly for adjusting the angular position of the cutting workpiece is provided on the surface of the clamping assembly, and the clamping assembly is movably connected to the adjusting assembly.

[0009] As a further solution of the present invention, the clamping assembly includes a first spherical frame, a limit frame is provided in the first spherical frame, and the limit frame is movably connected to the first spherical frame, a clamping groove is opened in the limit frame, a gear ring is provided in the limit frame, and the gear ring is axially symmetrical with respect to the limit frame.

[0010] As a further solution of the present invention, an arc groove is formed in the surface array of the gear ring, and the arc groove passes through the gear ring, a support rod is provided between the gear rings, and the support rod is movably connected to the arc groove, a guide rod is provided on the surface of the support rod, and the guide rod is movably connected to the support rod, and the guide rod passes through the clamping groove, a clamping block is provided at one end of the guide rod, and the clamping block is made of rubber thermoplastic.

[0011] As a further solution of the present invention, a transmission gear is provided on the surface of the limit frame, and the transmission gear passes through the side of the limit frame, and the transmission gear is meshed with the gear ring, a connecting rod is fixed between the transmission gears, and a driven bevel gear is provided on the surface of the connecting rod, a clamping motor is provided in the first spherical frame, and an active bevel gear is provided at the output end of the clamping motor, and the active bevel gear and the driven bevel gear are meshed with each other.

[0012] As a further solution of the present invention, a fixing plate is provided on the top surface of the mounting plate, a telescopic groove is opened on the top surface of the fixing plate, a telescopic plate is provided in the telescopic groove, and the clamping assembly is movably connected to the telescopic plate, a first electric telescopic rod is provided in the telescopic groove, and both ends of the first electric telescopic rod are respectively fixedly connected to the telescopic plate and the telescopic groove.

[0013] As a further solution of the present invention, the adjustment assembly includes a lifting plate, a movable groove is provided on the surface of the lifting plate, a second spherical frame is provided in the movable groove, and the second spherical frame is movably connected to the movable groove, a limiting groove is provided on the inner side of the second spherical frame, a limiting ring is fixed on the surface of the clamping assembly, and the limiting ring is movably connected to the limiting groove.

[0014] As a further solution of the present invention, a rotating motor is provided in the second spherical frame, a transmission wheel is provided at the output end of the rotating motor, and the transmission wheel passes through the limiting groove, and the transmission wheel is made of rubber thermoplastic.

[0015] As a further solution of the present invention, a guide frame is fixed to the bottom surface of the mounting plate, and the lifting plate is movably connected to the guide frame, a second electric telescopic rod is fixed to the top surface of the mounting plate, and the output end of the second electric telescopic rod is fixedly connected to the bottom surface of the lifting plate.

[0016] As a further solution of the present invention, an array of mounting holes is provided on the top surface of the base plate, and the mounting holes pass through the base plate, a horizontal bead is provided on the side of the mounting plate, and a controller is provided on the top surface of the base plate, and the controller is electrically connected to the clamping motor, the rotating motor, the first electric telescopic rod, and the second electric telescopic rod respectively.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The present invention provides a clamping assembly on the top of the mounting plate. In the clamping assembly, the workpiece is placed in the limit frame through the clamping groove, and then driven by the clamping motor, the transmission gears at both ends of the connecting rod will drive the gear ring to rotate, and then the arc groove on the surface of the gear ring will move with the support rod, and the support rod will push the clamping block into the clamping groove through the guide rod, so that the clamping block can fix the cut workpiece. This design enables the device to clamp workpieces of different diameters without replacing different clamping seats, thereby enhancing the adaptability of the device and improving the cutting efficiency of the workpiece.

[0019] 2. The present invention provides an adjustment component on the surface of the clamping component. The lifting plate in the adjustment component can move upward with the clamping component under the drive of the second electric telescopic rod. At this time, the second spherical frame will flip the clamping component in the movable groove, so that the clamped workpiece can be adjusted to different angles. In addition, a rotating motor is provided in the second spherical frame. The transmission wheel at the output end of the rotating motor can rotate with the clamping component. These designs enable the workpiece to be adjusted to multiple angles in cooperation with the cutter during cutting, thereby improving the functionality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is an axonometric view of the present invention;

[0021] Figure 2 is an overall cross-sectional view of the present invention;

[0022] Figure 3 It is an exploded view of the overall structure of the present invention;

[0023] Figure 4 It is a structural diagram of the present invention when clamping a workpiece;

[0024] Figure 5 is a cross-sectional view of the clamping assembly of the present invention;

[0025] Figure 6 is a structural exploded view of the clamping assembly of the present invention;

[0026] Figure 7 yes Figure 6 A is an enlarged view of the structure;

[0027] Figure 8 is a cross-sectional view of the adjustment assembly of the present invention;

[0028] Fig. 9 It is a structural exploded view of the adjustment assembly of the present invention.

[0029] Reference numerals: 1. clamping assembly; 101. first spherical frame; 102. clamping block; 103. gear ring; 104. clamping motor; 105. limit frame; 106. arc groove; 107. support rod; 108. clamping groove; 109. guide rod; 110. transmission gear; 111. connecting rod; 112. driven bevel gear; 113. driving bevel gear; 2. adjustment assembly; 201. second spherical frame; 20 2. Limiting groove; 203. Rotating motor; 204. Lifting plate; 205. Movable groove; 206. Driving wheel; 3. Mounting plate; 4. Controller; 5. Leveling bead; 6. Mounting hole; 7. Telescopic plate; 8. Fixed plate; 9. First electric telescopic rod; 10. Telescopic groove; 11. Threaded rod; 12. Guide frame; 13. Second electric telescopic rod; 14. Limiting block; 15. Bottom plate; 16. Limiting ring; 17. Adjusting nut. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0033] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] The following will be combined Figure 1-Figure 9 A spindle clamp for a lathe according to an embodiment of the present invention is described in detail.

[0035] Embodiment 1: Embodiment 1 of the present application discloses a spindle clamp for a lathe. Figure 1-Figure 9 , including a base plate 15, a mounting plate 3 is provided on the top of the base plate 15, a threaded rod 11 is provided between the mounting plate 3 and the base plate 15, and the bottom end of the threaded rod 11 is threadedly connected to the base plate 15, and the threaded rod 11 passes through the mounting plate 3, a limit block 14 is provided on the top of the threaded rod 11, an adjusting nut 17 is fixed on the surface of the threaded rod 11, a clamping assembly 1 for fixing the cutting workpiece is provided on the top of the mounting plate 3, an adjusting assembly 2 for adjusting the angular position of the cutting workpiece is provided on the surface of the clamping assembly 1, and the clamping assembly 1 is movably connected to the adjusting assembly 2.

[0036] Specifically, before cutting the workpiece, the threaded rod 11 is rotated on the base plate 15 by rotating the adjusting nut 17, thereby adjusting the level of the mounting plate 3. The function of the limit block 14 is to keep the mounting plate 3 stable during adjustment. Then the workpiece is placed between the two clamping assemblies 1, and the clamping assembly 1 will clamp and fix the workpiece. Then, according to the cutting condition of the workpiece, the adjusting assembly 2 will adjust the position angle of the workpiece.

[0037] The clamping assembly 1 includes a first spherical frame 101, a limiting frame 105 is provided in the first spherical frame 101, and the limiting frame 105 is movably connected to the first spherical frame 101, a clamping groove 108 is provided in the limiting frame 105, a gear ring 103 is provided in the limiting frame 105, and the gear ring 103 is axially symmetrical with respect to the limiting frame 105, an arc groove 106 is provided on the surface array of the gear ring 103, and the arc groove 106 penetrates the gear ring 103, a support rod 107 is provided between the gear rings 103, and the support rod 107 is movably connected to the arc groove 106, a guide rod 109 is provided on the surface of the support rod 107, and the guide rod 109 is movably connected to the support rod 107, and the guide rod 109 penetrates the clamping groove 108, and a clamping block 102 is provided at one end of the guide rod 109, and the clamping block 102 is made of rubber thermoplastic A transmission gear 110 is provided on the surface of the limit frame 105, and the transmission gear 110 runs through the side of the limit frame 105, and the transmission gear 110 is meshed with the gear ring 103, a connecting rod 111 is fixed between the transmission gears 110, and a driven bevel gear 112 is provided on the surface of the connecting rod 111, a clamping motor 104 is provided in the first spherical frame 101, and an active bevel gear 113 is provided at the output end of the clamping motor 104, and the active bevel gear 113 is meshed with the driven bevel gear 112, a fixing plate 8 is provided on the top surface of the mounting plate 3, a telescopic groove 10 is provided on the top surface of the fixing plate 8, a telescopic plate 7 is provided in the telescopic groove 10, and the clamping assembly 1 is movably connected with the telescopic plate 7, a first electric telescopic rod 9 is provided in the telescopic groove 10, and the two ends of the first electric telescopic rod 9 are respectively fixedly connected to the telescopic plate 7 and the telescopic groove 10.

[0038] Specifically, in the clamping assembly 1, the workpiece is placed in the limit frame 105 through the clamping groove 108, and then under the drive of the clamping motor 104, the transmission gears 110 at both ends of the connecting rod 111 will drive the gear ring 103 to rotate, and then the arc groove 106 on the surface of the gear ring 103 will move with the support rod 107, and the support rod 107 will push the clamping block 102 into the clamping groove 108 through the guide rod 109, so that the clamping block 102 can fix the cutting workpiece. This design enables the device to clamp workpieces of different diameters without replacing different clamping seats, thereby enhancing the adaptability of the device and improving the cutting efficiency of the workpiece.

[0039] The implementation principle of a spindle clamp for a lathe in the first embodiment of the present application is as follows: in the clamping assembly 1, under the drive of the clamping motor 104, the active bevel gear 113 drives the driven bevel gear 112 to rotate through meshing, and then the connecting rod 111 rotates with the driven gear, so that the gear ring 103 in the limit frame 105 rotates, and then the arc groove 106 on the surface of the gear ring 103 will move toward the clamping groove 108 through the support rod 107, so that the clamping block 102 clamps the workpiece, and according to the size of the cutting workpiece, under the drive of the first electric telescopic rod 9, the telescopic plate 7 will move up and down in the telescopic groove 10 for height adjustment. Before cutting the workpiece, the threaded rod 11 is rotated on the base plate 15 by rotating the adjusting nut 17, so as to adjust the level of the mounting plate 3. The function of the limit block 14 is to keep the mounting plate 3 stable during adjustment, and then the workpiece is placed between the two clamping assemblies 1, and the clamping assembly 1 will clamp and fix the workpiece, and then according to the cutting condition of the workpiece, the adjustment assembly 2 will adjust the position angle of the workpiece.

[0040] Example 2: Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 8 and Fig. 9 The adjusting component 2 includes a lifting plate 204, a movable groove 205 is provided on the surface of the lifting plate 204, a second spherical frame 201 is provided in the movable groove 205, and the second spherical frame 201 is movably connected to the movable groove 205, a limiting groove 202 is provided on the inner side of the second spherical frame 201, a limiting ring 16 is fixed on the surface of the clamping component 1, and the limiting ring 16 is movably connected to the limiting groove 202, a rotating motor 203 is provided in the second spherical frame 201, a transmission wheel 206 is provided at the output end of the rotating motor 203, and the transmission wheel 206 passes through the limiting groove 202, and the transmission wheel 206 is made of rubber thermoplastic, a guide frame 12 is fixed to the bottom surface of the mounting plate 3, and the lifting plate 204 is movably connected to the guide frame 12, a second electric telescopic rod 13 is fixed to the top surface of the mounting plate 3, and the output end of the second electric telescopic rod 13 is fixedly connected to the bottom surface of the lifting plate 204.

[0041] Specifically, the lifting plate 204 in the adjustment component 2 can move upward with the clamping component 1 under the drive of the second electric telescopic rod 13. At this time, the second spherical frame 201 will flip the clamping component 1 in the movable groove 205, so that the clamped workpiece can be adjusted to different angles. In addition, a rotating motor 203 is provided in the second spherical frame 201, and the transmission wheel 206 at the output end of the rotating motor 203 can rotate with the clamping component 1.

[0042] The implementation principle of a spindle clamp for a lathe in the second embodiment of the present application is as follows: the lifting plate 204 in the adjustment component 2 can move upward with the clamping component 1 under the drive of the second electric telescopic rod 13. At this time, the second spherical frame 201 will flip the clamping component 1 in the movable groove 205, so that the clamped workpiece can be adjusted to different angles. In addition, a rotating motor 203 is provided in the second spherical frame 201. The transmission wheel 206 at the output end of the rotating motor 203 can rotate with the clamping component 1. These designs enable the workpiece to be adjusted to multiple angles in cooperation with the cutter during cutting, thereby improving the functionality of the device. Under the action of the second electric telescopic rod 13, the lifting plate 204 will move up and down along the guide frame 12 for adjustment. Under the drive of the rotating motor 203, the transmission wheel 206 made of rubber will rotate by friction with the limit ring 16 on the surface of the clamping component 1, so that the workpiece can be rotated after the angle is adjusted, thereby facilitating the cutting of the workpiece.

[0043] Example 3: Reference Figure 1-Figure 9 The top surface array of the bottom plate 15 is provided with mounting holes 6, and the mounting holes 6 penetrate the bottom plate 15, the side of the mounting plate 3 is provided with a horizontal bead 5, the top surface of the bottom plate 15 is provided with a controller 4, and the controller 4 is electrically connected to the clamping motor 104, the rotating motor 203, the first electric telescopic rod 9, and the second electric telescopic rod 13 respectively.

[0044] Specifically, the horizontal beads 5 on the side of the mounting plate 3 facilitate installation and leveling of the device. There are two horizontal beads 5 that are perpendicular to each other in the horizontal plane, which facilitates adjustment of the mounting plate 3. The mounting holes 6 facilitate fixing the device on a lathe.

[0045] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A spindle holder for a lathe, comprising a base plate (15), characterized in that: A mounting plate (3) is provided on the top of the base plate (15); a threaded rod (11) is provided between the mounting plate (3) and the base plate (15); the bottom end of the threaded rod (11) is threadedly connected to the base plate (15); the threaded rod (11) passes through the mounting plate (3); a limit block (14) is provided on the top of the threaded rod (11); an adjusting nut (17) is fixed on the surface of the threaded rod (11); a clamping assembly (1) for fixing a cutting workpiece is provided on the top of the mounting plate (3); an adjusting assembly (2) for adjusting the angular position of the cutting workpiece is provided on the surface of the clamping assembly (1); and the clamping assembly (1) and the adjusting assembly (2) are movably connected.

2. The spindle holder for a lathe according to claim 1, characterized in that: The clamping assembly (1) comprises a first spherical frame (101), a limiting frame (105) is provided in the first spherical frame (101), and the limiting frame (105) is movably connected to the first spherical frame (101), a clamping groove (108) is provided in the limiting frame (105), a gear ring (103) is provided in the limiting frame (105), and the gear ring (103) is axially symmetrical with respect to the limiting frame (105).

3. The spindle holder for a lathe according to claim 2, characterized in that: The surface array of the gear ring (103) is provided with arc grooves (106), and the arc grooves (106) penetrate the gear ring (103); a support rod (107) is provided between the gear rings (103), and the support rod (107) is movably connected to the arc grooves (106); a guide rod (109) is provided on the surface of the support rod (107), and the guide rod (109) is movably connected to the support rod (107), and the guide rod (109) penetrates the clamping groove (108); a clamping block (102) is provided at one end of the guide rod (109), and the clamping block (102) is made of rubber thermoplastic.

4. The spindle holder for a lathe according to claim 3, characterized in that: A transmission gear (110) is provided on the surface of the limiting frame (105), and the transmission gear (110) passes through the side surface of the limiting frame (105), and the transmission gear (110) and the gear ring (103) are meshed with each other, a connecting rod (111) is fixed between the transmission gears (110), and a driven bevel gear (112) is provided on the surface of the connecting rod (111), a clamping motor (104) is provided in the first spherical frame (101), and an active bevel gear (113) is provided at the output end of the clamping motor (104), and the active bevel gear (113) and the driven bevel gear (112) are meshed with each other.

5. The spindle holder for a lathe according to claim 4, characterized in that: A fixing plate (8) is provided on the top surface of the mounting plate (3), a telescopic slot (10) is provided on the top surface of the fixing plate (8), a telescopic plate (7) is provided in the telescopic slot (10), the clamping assembly (1) is movably connected to the telescopic plate (7), a first electric telescopic rod (9) is provided in the telescopic slot (10), and two ends of the first electric telescopic rod (9) are respectively fixedly connected to the telescopic plate (7) and the telescopic slot (10).

6. The spindle holder for a lathe according to claim 5, characterized in that: The adjustment component (2) comprises a lifting plate (204), a movable groove (205) is provided on the surface of the lifting plate (204), a second spherical frame (201) is provided in the movable groove (205), and the second spherical frame (201) is movably connected to the movable groove (205), a limiting groove (202) is provided on the inner side of the second spherical frame (201), and a limiting ring (16) is fixed on the surface of the clamping component (1), and the limiting ring (16) is movably connected to the limiting groove (202).

7. The spindle holder for a lathe according to claim 6, characterized in that: A rotating motor (203) is provided in the second spherical frame (201), a transmission wheel (206) is provided at the output end of the rotating motor (203), and the transmission wheel (206) passes through the limiting groove (202), and the transmission wheel (206) is made of rubber thermoplastic.

8. The spindle holder for a lathe according to claim 7, characterized in that: A guide frame (12) is fixed to the bottom surface of the mounting plate (3), and the lifting plate (204) is movably connected to the guide frame (12); a second electric telescopic rod (13) is fixed to the top surface of the mounting plate (3), and an output end of the second electric telescopic rod (13) is fixedly connected to the bottom surface of the lifting plate (204).

9. The spindle holder for a lathe according to claim 8, characterized in that: The top surface of the bottom plate (15) is provided with mounting holes (6) in an array, and the mounting holes (6) penetrate the bottom plate (15); a horizontal bead (5) is provided on the side of the mounting plate (3); a controller (4) is provided on the top surface of the bottom plate (15), and the controller (4) is electrically connected to the clamping motor (104), the rotating motor (203), the first electric telescopic rod (9), and the second electric telescopic rod (13), respectively.

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