High-precision numerical control machine tool tool rest
By designing limit units and multi-directional adjustment units, the stability problem of CNC machine tools when cutting short and long metal parts is solved, realizing high-precision metal cutting and adapting to the needs of metal parts of different sizes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2026-03-27
AI Technical Summary
Existing CNC machine tools lack a stable support structure for metal parts with small diameters and long lengths, resulting in poor cutting accuracy.
A high-precision CNC machine tool tool post was designed. By applying force to the metal part in two directions through the limiting unit, combined with the multi-directional adjustment unit and the support adjustment unit, the stability of the metal part during the cutting process is ensured. The rotation of the arc-shaped opening frame enables adaptive support for metal parts of different sizes.
It improves the stability and precision of the metal cutting process, ensures machining quality, and is adaptable to metal parts of different sizes, thus enhancing the adaptability and practicality of the cutting tool.
Smart Images

Figure CN118268902B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of machine tool tool rest, in particular to a high-precision numerical control machine tool tool rest. BACKGROUND
[0002] The numerical control machine tool tool rest is one of the most important components of the currently used numerical control machine tool. It is mainly used for placing various types of tools and performing slotting, drilling, reaming, reaming, boring, etc. The tool rest moves through multiple axes in the machine tool, the tool is clamped on the tool rest, and the tool cooperates with the rotation of the machine tool to process the metal piece.
[0003] When the prior art machine tool needs to cut the outer wall of a metal rod, metal pipe or the like with a small diameter and a long length, the tool directly contacts the metal piece for cutting. However, in actual use, the tool exerts force on the metal piece in one direction for cutting, and the metal piece in the direction opposite to the tool lacks a structure for blocking the metal piece, resulting in that the outer wall of the metal piece is prone to shaking during cutting due to its small diameter and long length, thereby causing poor cutting precision of the outer wall of the metal piece and affecting the quality of the processed piece. Therefore, a high-precision numerical control machine tool tool rest is proposed. SUMMARY
[0004] In view of the deficiencies of the prior art, the present application provides a high-precision numerical control machine tool tool rest, which limits the direction away from the tool of a metal rod, metal pipe or the like with a small diameter and a long length, so as to stably cut and ensure the precision of metal processing.
[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a high-precision numerical control machine tool tool rest, comprising a driving seat, a fixing frame and a tool, a multidirectional adjusting unit is installed on one side of the driving seat, a support plate is installed on the multidirectional adjusting unit, the height and horizontal position of the support plate are adjusted by the multidirectional adjusting unit, a rotating hole is formed in the upper surface of the support plate, an arc-shaped opening frame is installed in the rotating hole, limit grooves are formed on both sides of the arc-shaped opening frame, a limit strip is fixedly connected with the inner wall of the limit groove and is slidably connected with the inner wall of the limit groove, a support adjusting unit is installed on the inner wall of the arc-shaped opening frame, a limit unit is installed on one side of the support adjusting unit, the support adjusting unit supports the limit unit and adjusts the pressure applied by the limit unit to the metal piece, a limit adjusting unit for rotating and locking the arc-shaped opening frame is installed on the bottom surface of the support plate, the limit unit comprises two carriages fixedly connected with the support adjusting unit, two connecting blocks are installed on the inner wall of each carriage, an installation disc is rotatably connected to one side of the connecting block, a positioning wheel is fixedly installed between the installation discs of the side walls of the two carriages through bolts, and the positioning wheel comprises a blocking wheel fixedly connected with the installation disc through a bolt.
[0006] Preferably, the connecting blocks are in sliding connection with the inner wall of the slide frame, the limiting unit further comprises a reversible toothed rod and a limiting rod, the reversible toothed rod is rotationally connected in one of the slide frames, the reversible toothed rod penetrates through the two connecting blocks in the slide frame and is in threaded connection with the connecting blocks, the limiting rod is fixedly connected in the other slide frame, the limiting rod penetrates through the two connecting blocks in the slide frame, the two connecting blocks on the outer wall of the limiting rod are in sliding connection with the outer wall of the limiting rod, the outer wall of the arc-shaped opening frame is provided with a clearance slot, and one end of the reversible toothed rod extends into the clearance slot and is fixedly connected with an internal hexagonal sleeve.
[0007] Preferably, the multi-directional adjusting unit comprises a mounting plate, the mounting plate is mounted on one side of the driving seat, the side wall of the mounting plate is provided with an adjusting slot, a first screw rod is rotationally connected in the adjusting slot, the outer wall of the first screw rod is in threaded connection with an adjusting block in sliding connection with the inner wall of the adjusting slot, the upper end of the first screw rod penetrates out of the mounting plate and is provided with an internal hexagonal slot, the side wall of the adjusting block is fixedly provided with two supports, and the supporting plate is mounted on the supports.
[0008] Preferably, the multi-directional adjusting unit further comprises a fourth screw rod rotationally connected to the side wall of the adjusting block, the fourth screw rod penetrates through the supporting plate and is in threaded connection with the supporting plate, the end of the supporting plate close to the adjusting block is provided with an opening slot, the outer wall of the end of the fourth screw rod close to the adjusting block is fixedly connected with a rotating handle, the opening slot accommodates the rotating handle, and the bottom surface of the supporting plate is provided with two limiting sliding grooves in sliding connection with the outer walls of the two supports.
[0009] Preferably, the limiting and adjusting unit comprises a plurality of toothed openings provided in the outer wall of the arc-shaped opening frame, two first supporting plates fixedly connected to the bottom surface of the supporting plate, and two second supporting plates fixedly connected to the bottom surface of the supporting plate, a gear shaft in meshing connection with the toothed openings is rotationally connected between the two first supporting plates, a worm is rotationally connected between the two second supporting plates, a worm wheel in engagement with the worm is fixedly connected to the outer wall of the gear shaft, and a twisting handle is fixedly connected to one end of the worm and penetrates out of the second supporting plate.
[0010] Preferably, the supporting and adjusting unit comprises a supporting frame fixedly connected to the side wall of the arc-shaped opening frame and two third screw rods, a second screw rod is in sliding connection in the supporting frame, one end of the second screw rod is fixedly connected with a fixed plate, one side of the fixed plate is fixedly connected with one side of the slide frame, two fixed sleeves are fixedly mounted on the side of the fixed plate away from the slide frame, the outer wall of one end of the third screw rod is in sliding connection with a connecting sleeve, a spring is fixedly connected between the inner wall of the fixed sleeve and the inner wall of the connecting sleeve, a second nut in abutment with the connecting sleeve is in threaded connection with the outer wall of the third screw rod, and two first nuts respectively located on the two sides of the supporting frame are in threaded connection with the outer wall of the second screw rod.
[0011] Preferably, the inner wall of the arc-shaped opening frame is fixedly connected with a plurality of limiting plates, a matching limiting block is in sliding connection between each group of limiting plates, one end of the limiting block is fixedly connected with the adjacent slide frame, and one end of the reversible toothed rod penetrates through the limiting block.
[0012] Preferably, the upper surface of the support plate is fixedly connected with an arc sleeve, and the arc-shaped opening frame is slidably connected with the inner wall of the arc sleeve.
[0013] Preferably, the inner side wall of the arc sleeve is fixedly connected with a blocking strip, and the limiting groove is slidably connected with the outer wall of the blocking strip.
[0014] Preferably, the positioning wheel further comprises a grinding wheel fixed with the mounting disc through bolts, a plurality of threaded holes are formed in the side wall of the grinding wheel, a locking bolt is arranged in the side wall of the connecting block, and the locking bolt penetrates the mounting disc and is threadedly connected with the threaded hole.
[0015] Compared with the prior art, the present application has the following beneficial effects:
[0016] The present application sets up a limiting unit, which applies force to the metal piece in two directions with the cutter, so that the metal piece remains stable when cutting the outer wall of a metal rod, a metal pipe or the like with small diameter and long length, avoiding shaking of the cutting part of the metal piece and affecting the cutting precision, improving the practicability and ensuring the workpiece quality.
[0017] The present application can control the horizontal and vertical movement of the support plate through the multidirectional adjusting unit, so as to control the position of the limiting unit and adapt to the cutting of different cutters and different metal piece outer walls.
[0018] The present application installs a support adjusting unit in the arc-shaped opening frame, which can support the limiting unit and adjust the pressure applied by the limiting unit to the workpiece, and can replace the grinding wheel to perform grinding operation on the outer wall of the cut metal piece.
[0019] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and obtained by the structure indicated in the specification, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a schematic view of the overall structure of the present application;
[0021] Figure 2 It is another view of the overall structure of the present application;
[0022] Figure 3 It is a schematic view of the cooperation structure of the limiting unit and the cutter of the present application;
[0023] Figure 4 It is a schematic view of the structure of the multidirectional adjusting unit of the present application;
[0024] Figure 5 Another state structure diagram of the arc-shaped opening frame of the present application;
[0025] Figure 6 Structure diagram of the arc-shaped sleeve and the support plate of the present application;
[0026] Figure 7 Structure diagram of the limiting adjustment unit of the present application;
[0027] Figure 8 Position structure diagram of the limiting unit and the arc-shaped opening frame of the present application;
[0028] Figure 9 Structure diagram of the outer wall of the arc-shaped opening frame of the present application;
[0029] Figure 10 Detailed structure diagram of the limiting unit and the support adjustment unit of the present application;
[0030] Figure 11 Another state structure diagram of the positioning wheel of the present application.
[0031] In the figure: 1, driving seat; 2, fixed frame; 3, cutter; 4, multi-directional adjustment unit; 41, mounting plate; 42, adjustment groove; 43, first screw; 44, inner hexagonal groove; 45, adjustment block; 46, support; 47, fourth screw; 48, handle; 49, opening groove; 5, support plate; 6, arc-shaped opening frame; 7, support adjustment unit; 71, support frame; 72, second screw; 73, first nut; 74, third screw; 75, fixed sleeve; 76, spring; 77, connecting sleeve; 78, second nut; 79, fixed plate; 8, limiting unit; 81, sliding frame; 82, positive and negative toothed screw; 83, connecting block; 84, mounting disc; 85, positioning wheel; 851, blocking wheel; 852, polishing wheel; 853, threaded hole; 86, limiting rod; 87, locking bolt; 88, inner hexagonal sleeve; 9, limiting adjustment unit; 91, first support plate; 92, gear shaft; 93, second support plate; 94, worm; 95, handle; 96, toothed opening; 97, worm wheel; 10, limiting groove; 11, rotating hole; 12, limiting strip; 13, limiting sliding groove; 14, arc-shaped sleeve; 15, blocking strip; 16, limiting plate; 17, limiting block; 18, clearance groove. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0033] Embodiment one: please refer to Figures 1-11 The high-precision numerical control machine tool rest of the embodiment comprises a driving seat 1, a fixing frame 2 and a tool 3, a multidirectional adjusting unit 4 is installed on one side of the driving seat 1, a supporting plate 5 is installed on the multidirectional adjusting unit 4, the multidirectional adjusting unit 4 is used for adjusting the height and horizontal position of the supporting plate 5, a rotating hole 11 is formed in the upper surface of the supporting plate 5, an arc-shaped opening frame 6 is installed in the rotating hole 11, limit grooves 10 are formed in the two sides of the arc-shaped opening frame 6, limit strips 12 are fixedly connected with the inner walls of the limit grooves 10 and are in sliding connection with the inner walls of the limit grooves 10, a supporting adjusting unit 7 is installed on the inner wall of the arc-shaped opening frame 6, a limiting unit 8 is installed on one side of the supporting adjusting unit 7, the supporting adjusting unit 7 supports the limiting unit 8 and adjusts the pressure applied by the limiting unit 8 to the metal piece, a limiting adjusting unit 9 for rotating and locking the arc-shaped opening frame 6 is installed on the bottom surface of the supporting plate 5, the limiting unit 8 comprises two sliding frames 81 fixedly connected with the supporting adjusting unit 7, two connecting blocks 83 are installed on the inner walls of the two sliding frames 81, mounting discs 84 are rotatably connected with one side of the connecting blocks 83, positioning wheels 85 are fixedly installed between the mounting discs 84 of the side walls of the two sliding frames 81 through bolts, and the positioning wheels 85 comprise blocking wheels 851 fixedly connected with the mounting discs 84 through bolts.
[0034] Specifically, the numerical control machine tool tool rest structure in the application is similar to the existing numerical control machine tool tool rest structure, the main improvement point of the application is to limit the direction away from the tool 3 of the metal rod, metal pipe and the like with small diameter and long length, so that stable cutting is carried out, and the precision of metal part machining is guaranteed; the driving seat 1, the fixed frame 2 and the tool 3 in the application are prior art, wherein the driving seat 1 moves in the machine tool, the fixed frame 2 is installed on the driving seat 1, the driving seat 1 can drive the fixed frame 2 to rotate, the fixed frame 2 clamps the tool 3 through bolts, when the outer wall of the metal rod, metal pipe and the like with small diameter and long length needs to be cut, first rotate the arc-shaped opening frame 6, the arc-shaped opening frame 6 rotates in the rotating hole 11, the limiting grooves 10 on both sides of the arc-shaped opening frame 6 slide with the limiting strips 12, the limiting strips 12 limit the arc-shaped opening frame 6 through the limiting grooves 10, the arc-shaped opening frame 6 drives the limiting unit 8 to rotate through the supporting and adjusting unit 7, so that the opening of the arc-shaped opening frame 6 is turned away from the driving seat 1, at this time, the driving seat 1 can be controlled to move for feeding, the opening of the arc-shaped opening frame 6 is given way, so that the arc-shaped opening frame 6 is sleeved on the metal part, and the two blocking wheels 851 abut against the outer wall of the metal part, at this time, the arc-shaped opening frame 6 is rotated again, so that the two blocking wheels 851 rotate on the outer wall of the metal part, and then the two blocking wheels 851 are turned to the other direction of the metal part away from the tool 3, at this time, the metal part can be rotated, the tool 3 cuts the metal part, the metal part drives the two blocking wheels 851 to rotate, the mounting disc 84 is driven to rotate on one side of the connecting block 83 by the blocking wheel 851, the connecting block 83 supports the blocking wheel 851 through the mounting disc 84, the supporting and adjusting unit 7 supports the sliding frame 81, the sliding frame 81 supports the connecting block 83, the blocking wheel 851 supports the other direction of the metal part away from the tool 3, so that the cutting part of the metal part remains stable and does not shake, the precision of cutting the metal part is guaranteed, the practicability is improved, the rotation of the arc-shaped opening frame 6 drives the rotation of the limiting unit 8, and the feeding and the retracting do not affect.
[0035] Specifically, the connecting blocks 83 are in sliding connection with the inner wall of the sliding frames 81, the limiting unit 8 further comprises a reversible toothed screw rod 82 and a limiting rod 86, the reversible toothed screw rod 82 is rotationally connected in one of the sliding frames 81, the reversible toothed screw rod 82 penetrates the two connecting blocks 83 in the sliding frame 81 and is in threaded connection with the two connecting blocks 83, the limiting rod 86 is fixedly connected in the other sliding frame 81, the limiting rod 86 penetrates the two connecting blocks 83 in the sliding frame 81, the two connecting blocks 83 on the outer wall of the limiting rod 86 are in sliding connection with the outer wall of the limiting rod 86, the outer wall of the arc-shaped opening frame 6 is provided with a giving slot 18 penetratingly, one end of the reversible toothed screw rod 82 extends into the giving slot 18 and is fixedly connected with an internal hexagonal sleeve 88; an internal hexagonal wrench is inserted into the internal hexagonal sleeve 88 through the giving slot 18 and is rotated, so that the internal hexagonal sleeve 88 drives the reversible toothed screw rod 82 to rotate, the reversible toothed screw rod 82 drives the two connecting blocks 83 in threaded connection to move away from each other or move close to each other, and the two connecting blocks 83 in the other sliding frame 81 slide on the outer wall of the limiting rod 86, so as to adjust the distance between the two blocking wheels 851, so that they adapt to the cutting limitation of the outer wall of metal pieces of different sizes, and improve the adaptability.
[0036] Specifically, the multi-directional adjusting unit 4 comprises a mounting plate 41 mounted on one side of the driving seat 1, the side wall of the mounting plate 41 is provided with an adjusting slot 42, a first screw rod 43 is rotationally connected in the adjusting slot 42, the outer wall of the first screw rod 43 is in threaded connection with an adjusting block 45 in sliding connection with the inner wall of the adjusting slot 42, the upper end of the first screw rod 43 penetrates to the outside of the mounting plate 41 and is provided with an internal hexagonal groove 44, the side wall of the adjusting block 45 is fixedly mounted with two supports 46, and the supporting plate 5 is mounted on the supports 46; the mounting plate 41 can be mounted on the side wall of the driving seat 1 by a bolt connection mode, an internal hexagonal wrench is inserted into the internal hexagonal groove 44 and is rotated, so as to drive the first screw rod 43 to rotate, the first screw rod 43 drives the adjusting block 45 to slide in the adjusting slot 42, the adjusting block 45 drives the supporting plate 5 to rise or fall through the supports 46, and then the height of the two blocking wheels 851 is adjusted, so that the blocking wheels 851 adapt to the cutting tools 3 of different sizes, and the adaptability is further improved.
[0037] Specifically, the multi-direction adjusting unit 4 further comprises a fourth screw rod 47 rotatably connected to the side wall of the adjusting block 45, the fourth screw rod 47 penetrates through the support plate 5 and is threadedly connected thereto, the support plate 5 is provided with an open slot 49 at one end close to the adjusting block 45, the fourth screw rod 47 is fixedly connected with a rotating handle 48 at one end close to the adjusting block 45, the open slot 49 provides a space for the rotating handle 48, the bottom surface of the support plate 5 is provided with two limiting sliding grooves 13, and the two limiting sliding grooves 13 are respectively slidably connected to the outer walls of the two supports 46; rotating the rotating handle 48 drives the fourth screw rod 47 to rotate, and the fourth screw rod 47 drives the support plate 5 to move horizontally, the limiting sliding grooves 13 on the bottom surface of the support plate 5 slide with the supports 46, and the limiting sliding grooves 13 cooperate with the supports 46 to limit the support plate 5, adjust the distance between the blocking wheels 851 and the tool 3, further adapt to metal pieces of different sizes, and improve the adaptability.
[0038] Specifically, the limiting adjusting unit 9 comprises a plurality of tooth openings 96 provided on the outer wall of the arc-shaped opening frame 6, two first supporting plates 91 fixedly connected to the bottom surface of the support plate 5, and two second supporting plates 93 fixedly connected to the bottom surface of the support plate 5, a gear shaft 92 rotatably connected between the two first supporting plates 91 and engaged with the tooth openings 96, a worm 94 rotatably connected between the two second supporting plates 93, a worm wheel 97 fixedly connected to the outer wall of the gear shaft 92 and engaged with the worm 94, and a twisting handle 95 fixedly connected to one end of the worm 94 and penetrating out of the second supporting plate 93; rotating the twisting handle 95 drives the worm 94 to rotate, the worm 94 drives the worm wheel 97 to rotate, the worm wheel 97 drives the gear shaft 92 to rotate, the gear shaft 92 drives the arc-shaped opening frame 6 to rotate in the rotating hole 11 through the tooth openings 96, the position of the tooth openings 96 can accurately position the angle of the arc-shaped opening frame 6, so that the midpoint between the two blocking wheels 851 is adjusted to be horizontal with the tool 3, the stability of cutting the metal piece is ensured, and the worm wheel 97 can also limit the worm 94 to limit the arc-shaped opening frame 6, and the stability of the blocking wheels 851 is ensured.
[0039] Specifically, the support adjusting unit 7 comprises a support frame 71 fixedly connected with the side wall of the arc-shaped opening frame 6 and two third screws 74, a second screw 72 is slidably connected in the support frame 71, one end of the second screw 72 is fixedly connected with a fixed plate 79, one side of each of two sliding frames 81 is fixedly connected with one side of the fixed plate 79, the side of the fixed plate 79 away from the sliding frame 81 is fixedly installed with two fixed sleeves 75, one end of the third screw 74 is slidably connected with a connecting sleeve 77, the inner wall of the fixed sleeve 75 is fixedly connected with the inner wall of the connecting sleeve 77, the outer wall of the third screw 74 is threadedly connected with a second nut 78 abutting against the connecting sleeve 77, and the outer wall of the second screw 72 is threadedly connected with two first nuts 73 located on the two sides of the support frame 71 respectively; the support frame 71 fixes the two sliding frames 81 in cooperation with the second screw 72 and the fixed plate 79, the second screw 72 is locked with the support frame 71 by the two first nuts 73, the position of the sliding frame 81 can be adjusted by adjusting the two first nuts 73, thereby adjusting the position of the blocking wheel 851, and meanwhile the two first nuts 73 can be removed or loosened from the second screw 72, so that the third screw 74 supports the sliding frame 81 in cooperation with the connecting sleeve 77, the fixed sleeve 75 and the fixed plate 79, the second screw 72 still limits the sliding frame 81 by being arranged in the support frame 71, the position of the connecting sleeve 77 on the third screw 74 is adjusted by rotating the second nut 78 again by utilizing the elastic force of the spring 76, and the blocking wheel 851 applies pressure to the metal piece, thereby adapting to the continuous tool feeding operation of the tool 3.
[0040] Specifically, the inner wall of the arc-shaped opening frame 6 is fixedly connected with a plurality of limiting plates 16, a matching limiting block 17 is slidably arranged between each of the limiting plates 16, one end of the limiting block 17 is fixedly connected with the adjacent sliding frame 81, and one end of the positive and negative thread rod 82 penetrates through the limiting block 17; the limiting plate 16 limits the limiting block 17, thereby limiting the sliding frame 81, so that when the sliding frame 81 moves by being adjusted by the support adjusting unit 7, the sliding frame 81 drives the limiting block 17 to slide along the side wall of the limiting plate 16, the stability of the sliding frame 81 is maintained, and the cutting precision is ensured.
[0041] Specifically, the upper surface of the support plate 5 is fixedly connected with an arc sleeve 14, and the arc-shaped opening frame 6 is slidably connected with the inner wall of the arc sleeve 14; when the arc-shaped opening frame 6 is turned to the outside of the metal piece, the arc sleeve 14 blocks and supports the two ends of the arc-shaped opening frame 6, thereby improving the strength and stability of the arc-shaped opening frame 6.
[0042] Specifically, the inner side wall of the arc sleeve 14 is fixedly connected with a blocking strip 15, and the limiting groove 10 is slidably connected with the outer wall of the blocking strip 15; the limiting groove 10 is slidably connected with the outer wall of the blocking strip 15, the strength of the arc-shaped opening frame 6 is further improved by utilizing the limitation of the blocking strip 15.
[0043] Embodiment Two: The embodiment is basically the same as Embodiment One, and the main difference lies in that:
[0044] Specifically, the positioning wheel 85 further comprises a grinding wheel 852 fixed with the mounting disc 84 through bolts, the side wall of the grinding wheel 852 is provided with a plurality of threaded holes 853, the side wall of the connecting block 83 is provided with locking bolts 87, the locking bolts 87 pass through the mounting disc 84 and are threadedly connected with the threaded holes 853; when grinding is needed after cutting the outer wall of the metal piece, the blocking wheel 851 can be disassembled from between the two groups of mounting discs 84, the grinding wheel 852 is installed between the two groups of mounting discs 84 through bolts, the locking bolts 87 pass through the connecting block 83 and the mounting disc 84, the locking bolts 87 are threadedly connected with the threaded holes 853 in the side wall of the grinding wheel 852, the mounting disc 84 and the grinding wheel 852 cannot rotate, at this time, the two first nuts 73 are removed or loosened from the second screw rod 72, the two grinding wheels 852 are first contacted with the outer wall of the metal piece, then the two second nuts 78 are rotated, the position of the connecting sleeve 77 on the third screw rod 74 is adjusted, the pressure applied by the grinding wheel 852 to the metal piece is adjusted, and then the grinding degree is controlled, and the adaptability is improved.
[0045] Obviously, the above embodiments of the present application are merely exemplary and are not intended to limit the embodiments of the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. All the embodiments do not need to be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the claims of the present application.
Claims
1. A high-precision numerical control machine tool table, comprising a driving seat (1), a fixed frame (2) and a tool (3), characterized in that, A multi-directional adjustment unit (4) is installed on one side of the drive seat (1). A support plate (5) is installed on the multi-directional adjustment unit (4). The multi-directional adjustment unit (4) adjusts the height and horizontal position of the support plate (5). A rotating hole (11) is opened on the upper surface of the support plate (5). An arc-shaped opening frame (6) is installed in the rotating hole (11). Limit grooves (10) are opened on both sides of the arc-shaped opening frame (6). A limit strip (12) that slides with the inner wall of the limit groove (10) is fixedly connected to the inner wall of the rotating hole (11). A support adjustment unit (7) is installed on the inner wall of the arc-shaped opening frame (6). A limit unit (8) is installed on one side of the support adjustment unit (7). The support adjustment unit (7) adjusts the height and horizontal position of the support plate (5). The limiting unit (8) provides support and adjusts the pressure applied by the limiting unit (8) to the metal part. The bottom surface of the support plate (5) is equipped with a limiting adjustment unit (9) for rotating and locking the arc-shaped opening frame (6). The limiting unit (8) includes two slides (81) fixedly connected to the support adjustment unit (7). The inner walls of the two slides (81) are each equipped with two connecting blocks (83). One side of the connecting block (83) is rotatably connected to a mounting plate (84). The mounting plates (84) on the side walls of the two slides (81) are fixedly installed with positioning wheels (85) by bolts. The positioning wheels (85) include a blocking wheel (851) fixed to the mounting plate (84) by bolts.
2. A high-precision numerical control machine tool turret according to claim 1, characterized in that, The connecting block (83) is slidably connected to the inner wall of the slide (81). The limiting unit (8) also includes a positive and negative threaded rod (82) and a limiting rod (86). The positive and negative threaded rod (82) is rotatably connected in one of the slides (81). The positive and negative threaded rod (82) passes through the two connecting blocks (83) in the slide (81) and is threadedly connected to them. The limiting rod (86) is fixedly connected in the other slide (81). The limiting rod (86) passes through the two connecting blocks (83) in the slide (81). The two connecting blocks (83) located on the outer wall of the limiting rod (86) are slidably connected to the outer wall of the limiting rod (86). The outer wall of the arc-shaped opening frame (6) is provided with a relief groove (18). One end of the positive and negative threaded rod (82) extends into the relief groove (18) and is fixedly connected to an internal hexagonal sleeve (88).
3. The high-precision CNC machine tool table according to claim 1, characterized in that, The multi-directional adjustment unit (4) includes a mounting plate (41), which is installed on one side of the drive seat (1). An adjustment groove (42) is provided on the side wall of the mounting plate (41). A first screw (43) is rotatably connected in the adjustment groove (42). An adjustment block (45) is threadedly connected to the outer wall of the first screw (43) and slidably connected to the inner wall of the adjustment groove (42). The upper end of the first screw (43) extends through to the outside of the mounting plate (41) and is provided with an internal hexagonal groove (44). Two brackets (46) are fixedly installed on the side wall of the adjustment block (45), and a support plate (5) is installed on the bracket (46).
4. A high-precision CNC machine tool tool post according to claim 3, characterized in that, The multi-directional adjustment unit (4) also includes a fourth screw (47) rotatably connected to the side wall of the adjustment block (45). The fourth screw (47) passes through the support plate (5) and is threadedly connected to it. The support plate (5) has an opening slot (49) at one end near the adjustment block (45). The outer wall of the fourth screw (47) near the adjustment block (45) is fixedly connected to a throttle (48). The opening slot (49) makes way for the throttle (48). The bottom surface of the support plate (5) has two limiting slide grooves (13). The two limiting slide grooves (13) are slidably connected to the outer walls of the two brackets (46).
5. A high-precision CNC machine tool tool post according to claim 1, characterized in that, The limit adjustment unit (9) includes multiple toothed openings (96) on the outer wall of the arc-shaped opening frame (6), two first support plates (91) fixedly connected to the bottom surface of the support plate (5), and two second support plates (93) fixedly connected to the bottom surface of the support plate (5). A gear shaft (92) meshing with the toothed openings (96) is rotatably connected between the two first support plates (91), and a worm (94) is rotatably connected between the two second support plates (93). A worm wheel (97) meshing with the worm (94) is fixedly connected to the outer wall of the gear shaft (92), and one end of the worm (94) extends through the second support plate (93) and is fixedly connected to a handle (95).
6. A high-precision CNC machine tool tool post according to claim 1, characterized in that, The support adjustment unit (7) includes a support frame (71) fixedly connected to the side wall of the arc-shaped open frame (6) and two third screws (74). A second screw (72) is slidably connected inside the support frame (71). A fixed plate (79) is fixedly connected to one end of the second screw (72). One side of the two slides (81) is fixedly connected to one side of the fixed plate (79). Two fixed sleeves (75) are fixedly installed on the side of the fixed plate (79) away from the slides (81). A connecting sleeve (77) is slidably connected to the outer wall of one end of the third screw (74). A spring (76) is fixedly connected between the inner wall of the fixed sleeve (75) and the inner wall of the connecting sleeve (77). A second nut (78) that abuts against the connecting sleeve (77) is threadedly connected to the outer wall of the third screw (74). Two first nuts (73) located on both sides of the support frame (71) are threadedly connected to the outer wall of the second screw (72).
7. A high-precision CNC machine tool tool post according to claim 6, characterized in that, The inner wall of the arc-shaped open frame (6) is fixedly connected to multiple sets of limiting plates (16), and each set of limiting plates (16) is slidably connected to a matching limiting block (17). The limiting block (17) is fixedly connected to one end of the adjacent slide (81), and one end of the positive and negative threaded rod (82) passes through the limiting block (17).
8. A high-precision CNC machine tool tool post according to claim 1, characterized in that, An arc sleeve (14) is fixedly connected to the upper surface of the support plate (5), and the arc-shaped opening frame (6) is slidably connected to the inner wall of the arc sleeve (14).
9. A high-precision CNC machine tool tool post according to claim 8, characterized in that, The inner sidewall of the arc sleeve (14) is fixedly connected to a blocking strip (15), and the limiting groove (10) is slidably connected to the outer wall of the blocking strip (15).
10. A high-precision CNC machine tool tool post according to claim 6, characterized in that, The positioning wheel (85) also includes a grinding wheel (852) that is fixed to the mounting plate (84) by bolts. The side wall of the grinding wheel (852) has multiple threaded holes (853). The side wall of the connecting block (83) is provided with locking bolts (87). The locking bolts (87) pass through the mounting plate (84) and are threadedly connected to the threaded holes (853).
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