Sliding guide rail mechanism of machine tool
By using a composite structure machine tool sliding guide mechanism, which combines long and short guide rails for sliding connection and stop components, the problem of severe wear on long guide rails of gantry machine tools is solved, thereby achieving improved guide rail durability and reduced maintenance costs.
Patent Information
- Application Number
- CN202423284252.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The long guideways of existing gantry machine tools wear frequently in certain areas, resulting in severe wear and high maintenance costs. In particular, uneven wear in different areas of multi-station gantry machine tools makes it difficult to effectively extend the life of the guideways.
The machine tool sliding guide mechanism adopts a composite structure, including a base assembly, a first sliding assembly, and a second sliding assembly. It utilizes a combination of long and short guide rails for sliding connection, combined with a stop assembly to restrict sliding, to achieve longitudinal movement over large and small distances and reduce wear on the long guide rails.
By rationally distributing the travel distance of the guide rails, the wear of long guide rails can be reduced, maintenance difficulty and cost can be lowered, and the service life of the machine tool can be increased.
Smart Images
Figure CN223588774U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of processing equipment, concretely relates to a machine tool sliding guide rail mechanism. BACKGROUND
[0002] The gantry type machine tool contains the workbench fixed / gantry frame movement, or the workbench movement / gantry frame fixed different types, wherein the workbench of the gantry type machine tool of the workbench movement / gantry frame fixed needs to be installed on the machine tool sliding guide rail and moves longitudinally. At present, the sliding guide rail of most gantry type machine tools is the sliding member combined by a pair of parallel arranged guide rails and the sliding block slidingly connected with the guide rail, the workbench is connected on the sliding block, the workpiece to be processed is fixed on the workbench, and the workbench drives the workpiece to move longitudinally and feed longitudinally. For some workpieces that need to change the processing area and have large longitudinal movement, a machine tool with longer guide rail is generally used for processing. However, for the processing of some local parts of the workpiece, the longitudinal feeding amount is often not large but the action is frequent, at this time, the workbench often moves frequently in a certain area of the machine tool guide rail, but if it moves in this area for a long time, the guide rail in this area will be worn out quickly, thereby affecting the overall life of the guide rail, especially the repair difficulty of the longer guide rail is larger, and more repair costs need to be increased. In addition, some multi-station gantry type machine tools with multiple fixed gantries erected above the same machine base also have the problem that the guide rails in the area where the gantries are located are more easily worn out than other areas. In view of this, if there is a machine tool sliding guide rail mechanism that can integrate long guide rails and short guide rails and use them together to form a composite sliding guide rail that bears different moving distances, it can reduce the local wear and repair difficulty of the long guide rail and improve its service life, which is the problem to be solved in this case. SUMMARY
[0003] The utility model discloses a machine tool sliding guide rail mechanism, including base assembly, first sliding assembly, second sliding assembly and stop component, the base assembly and first sliding assembly respectively are equipped with the long guide rail and short guide rail of longitudinal arrangement, and first sliding assembly and second sliding assembly are equipped with first sliding groove and second sliding groove respectively, second sliding assembly, first sliding assembly and base assembly are arranged from top to bottom in proper order and are slidably connected between the adjacent components, and first sliding assembly can slide on the base assembly, and second sliding assembly can slide on first sliding assembly, and a plurality of stop components are connected on the left and right sides of first sliding assembly and are arranged on the left and right sides of base assembly.
[0004] To realize the above-mentioned purpose, the utility model adopts the technical scheme as follows:
[0005] A machine tool sliding guide rail mechanism, characterized by comprising a base assembly, a first sliding assembly, a second sliding assembly and a stop component, the top of the base assembly and the top of the first sliding assembly are respectively provided with a longitudinally arranged guide rail, the first sliding assembly is arranged above the base assembly and is slidably connected with the base assembly, the second sliding assembly is arranged above the first sliding assembly and is slidably connected with the first sliding assembly, the second sliding assembly can slide longitudinally on the first sliding assembly, the first sliding assembly can slide longitudinally on the base assembly, the stop component is provided with a plurality of pieces, the plurality of pieces of stop components are connected on the left and right sides of the first sliding assembly and are arranged on the left and right sides of the base assembly, and the stop component can restrict the sliding of the first sliding assembly.
[0006] The base assembly comprises a fixed seat, the fixed seat is a seat-shaped member with an H-shaped cross section, the top of the left and right vertical wings of the fixed seat respectively extends horizontally outward to form a convex edge, and the back of the convex edge is a stop surface.
[0007] The base assembly further comprises a long guide rail and a long rack, the long guide rail is dovetail-shaped in cross section, and the length of the long guide rail is equal to the longitudinal length of the fixed seat, the long guide rail is provided with two pieces, the two pieces of the long guide rail are arranged in parallel and are respectively fixed to the top of the left and right vertical wings of the fixed seat, the two pieces of the long guide rail are at the same height, and the length of the long rack is equal to the longitudinal length of the fixed seat, the long rack is fixed to the inner side of one of the vertical wings of the fixed seat, and the long rack is parallel to the long guide rail.
[0008] The first sliding assembly comprises a first sliding seat, which is a block-shaped member with a sink groove in the middle and a downwardly open inverted hook-shaped cavity on both sides, the longitudinal length of the first sliding seat is not more than the longitudinal length of the fixed seat, preferably not more than one third of the longitudinal length of the fixed seat, the first sliding seat is sleeved on the fixed seat, the convex edges on the left and right sides of the fixed seat are arranged in the inverted hook-shaped cavities on the left and right sides of the first sliding seat, the lower wing of the inverted hook-shaped cavity of the first sliding seat is provided with an inverted hook lower edge, and the back of the upper wing of the inverted hook-shaped cavity is provided with an inwardly recessed first sliding groove, the first sliding groove is dovetail-shaped in cross section, the left and right first sliding grooves correspond to the two pieces of the long guide rail of the base assembly and are parallel to each other, the first sliding groove matches the corresponding long guide rail, the long guide rail is slidably embedded in the corresponding first sliding groove, and the first sliding seat can slide longitudinally on the long guide rail of the base assembly.
[0009] The first sliding assembly further comprises a short guide rail and a short rack, the short guide rail is dovetail-shaped in cross section, and the length of the short guide rail is equal to the longitudinal length of the first sliding seat, the short guide rail is provided with two pieces, the two pieces of the short guide rail are arranged in parallel and are respectively fixed to the top of the convex part on the left and right sides of the first sliding seat, the two pieces of the short guide rail are at the same height, the length of the short rack is equal to the longitudinal length of the first sliding seat, the short rack is fixed to one side wall of the middle sink groove of the first sliding seat, and the short rack is parallel to the short guide rail and parallel to the long guide rail.
[0010] The first sliding assembly further comprises a first motor and a first gear, the output shaft of the first motor is connected with the first gear, the first gear is arranged on one side of the long rack of the base assembly, the first gear matches the long rack and is engaged with each other, and the first motor is fixed to the side of one of the inverted hook-shaped cavities of the first sliding seat.
[0011] The second sliding assembly comprises a second sliding seat which is a block-shaped member with a T-shaped cross section, the longitudinal length of which is not more than the longitudinal length of the first sliding seat, preferably not more than half of the longitudinal length of the first sliding seat, the second sliding seat is arranged above the first sliding seat, the lower part of the second sliding seat is arranged in the sink groove in the middle of the first sliding seat, the left and right sides of the back of the upper part of the second sliding seat are respectively provided with second sliding grooves, the cross section of the second sliding grooves is dovetail-shaped, the left and right second sliding grooves correspond to the two short guide rails of the first sliding assembly and are parallel to each other, the second sliding grooves match the corresponding short guide rails, the short guide rails are slidably embedded in the corresponding second sliding grooves, and the second sliding seat can slide longitudinally on the short guide rails of the first sliding assembly.
[0012] The upper surface of the second sliding seat can be provided with several T-shaped grooves to facilitate clamping of the workpiece to be processed.
[0013] The second sliding assembly further comprises a second motor and a second gear, the output shaft of the second motor is connected with the second gear, the second gear is arranged on one side of the short rack of the first sliding assembly, the second gear matches the short rack and is engaged with each other, and the second motor is fixedly connected to the side wall of the lower part of the second sliding seat.
[0014] The first motor and the second motor are both servo motors with brakes.
[0015] The stop assembly comprises a telescopic cylinder, a pressing plate and a damping plate, the telescopic cylinder is a double-output-rod oil cylinder or gas cylinder, the pressing plate is locked to the rod end of the cylinder rod of the telescopic cylinder, and the damping plate is fixedly connected to the top surface of the pressing plate.
[0016] The telescopic cylinders of the several stop assemblies are respectively fixedly connected to the lower edges of the hooks on the left and right sides of the first sliding seat and are respectively arranged below the stop surfaces on the left and right sides of the fixed seat.
[0017] The second sliding assembly and the first sliding assembly can also be respectively provided with several groups, the several groups of second sliding assemblies can be respectively slidably connected to the several groups of first sliding assemblies, the several groups of first sliding assemblies can be dispersedly arranged on the base assembly in the longitudinal direction and are simultaneously slidably connected to the base assembly, and each group of first sliding assemblies can be installed with several stop assemblies.
[0018] From the above description, the machine tool sliding guide rail mechanism has the following advantages: the second sliding seat of the second sliding assembly, the first sliding seat of the first sliding assembly and the fixed seat of the base assembly are sequentially arranged from top to bottom to form a composite structure, the long guide rail and the short guide rail are arranged on the fixed seat and the first sliding seat, the first sliding groove arranged on the first sliding seat is connected with the long guide rail on the fixed seat to make the first sliding seat drive the second sliding seat to slide on the long guide rail to meet the need of large distance longitudinal movement of the workpiece; the first sliding seat is limited to slide by the plurality of stop assemblies fixed on the left and right sides of the first sliding seat; the second sliding groove arranged on the second sliding seat is connected with the short guide rail on the first sliding seat to meet the frequent movement of the workpiece with small distance longitudinal feeding, so that the wear of the long guide rail of the machine tool and the repair difficulty can be reduced, the maintenance cost can be reduced and the service life can be prolonged.
[0019] The machine tool sliding guide rail mechanism has the advantages of reasonable design, simple structure, low cost and convenience for promotion. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a general schematic view of the machine tool sliding guide rail mechanism.
[0021] Figure 2 It is a schematic view of A in Figure 1
[0022] Figure 3 It is an enlarged schematic view of B part in
[0023] Figure 4 It is an enlarged schematic view of C part in Figure 3
[0024] Figure 5 It is an enlarged schematic view of the first sliding assembly.
[0025] Figure 6 It is an enlarged schematic view of D part in Figure 5
[0026] Figure 7 It is an enlarged schematic view of E part in Figure 5
[0027] Figure 8 It is an enlarged schematic view of the second sliding assembly.
[0028] Figure 9 It is an enlarged schematic view of F part in Figure 8
[0029] Figure 10 It is an enlarged schematic view of the stop assembly.
[0030] Figure 11 The state diagram of connecting several groups of second sliding assemblies, several groups of first sliding assemblies and the base assembly.
[0031] Reference signs:
[0032] 1 base assembly; 11 fixed seat; 111 stop surface; 12 long guide rail; 13 long rack; 2 first sliding assembly; 21 first sliding seat; 211 first sliding groove; 212 downward hook lower edge; 22 short guide rail; 23 short rack; 24 first motor; 25 first gear; 3 second sliding assembly; 31 second sliding seat; 311 second sliding groove; 32 second motor; 33 second gear; 4 stop assembly; 41 telescopic cylinder; 42 pressing plate; 43 damping plate. DETAILED DESCRIPTION
[0033] The utility model will be further described below through specific embodiments.
[0034] Example one
[0035] As shown in Figure 1 and Figure 2 The utility model discloses a machine tool sliding guide rail mechanism, including base assembly 1, first sliding assembly 2, second sliding assembly 3 and stop assembly 4, the top of base assembly 1 and the top of first sliding assembly 2 are equipped with the guide rail of longitudinal arrangement respectively, first sliding assembly 2 is placed in the upper of base assembly 1 and is slidably connected with base assembly 1, second sliding assembly 3 is placed in the upper of first sliding assembly 2 and is slidably connected with first sliding assembly 2, second sliding assembly 3 can be longitudinally slid on first sliding assembly 2, first sliding assembly 2 can be longitudinally slid on base assembly 1, stop assembly 4 is equipped with several pieces, several pieces of stop assembly 4 are connected in the left and right sides of first sliding assembly 2 and are divided and placed in the left and right sides of base assembly 1, and stop assembly 4 can limit first sliding assembly 2 sliding.
[0036] As shown in Figures 1 to 4 The utility model discloses a base assembly 1 including fixed seat 11, long guide rail 12 and long rack 13, the fixed seat 11 is the seat-like member of the H-shaped cross section, and the top of the left and right two side wings is formed the convex edge that extends horizontally to the outside respectively, and the back of convex edge is stop surface 111.The cross section of long guide rail 12 is swallowtail shape, and its length is equal to the longitudinal length of fixed seat 11, and long guide rail 12 is equipped with two pieces, and two long guide rails 12 are parallelly arranged and are fixedly connected on the top of the left and right two side wings of fixed seat 11 respectively, and two long guide rails 12 are equal height, and the length of long rack 13 is equal to the longitudinal length of fixed seat 11, and long rack 13 is fixedly connected on the inner side of the wing of fixed seat 11, and long rack 13 is parallel with long guide rail 12.
[0037] As shown in Figures 1 to 7The utility model discloses a first sliding assembly 2 includes first sliding seat 21, short guide rail 22, short rack 23, first motor 24 and first gear 25, the first sliding seat 21 is the block -shaped member of the cavity shape of the hook shape of the downward opening of the sink in the middle and the left and right two sides, its longitudinal length does not exceed the longitudinal length of fixed seat 11, the longitudinal length of first sliding seat 21 of this embodiment is the longitudinal length of fixed seat 11 one third, the first sliding seat 21 is sleeved on fixed seat 11, and the convex edge of fixed seat 11 left and right sides is placed in the hook-shaped cavity of first sliding seat 21 left and right sides, the lower wing of the hook-shaped cavity of first sliding seat 21 is equipped as the lower edge 212 of hook, and the first sliding groove 211 recessed to the back of the upper wing of the hook-shaped cavity is equipped, the cross section of first sliding groove 211 is dovetail, and the first sliding groove 211 left and right sides correspond with the two long guide rails 12 of base assembly 1 and are all parallel with each other, and first sliding groove 211 is matched with the corresponding long guide rail 12, and long guide rail 12 is slidably embedded in corresponding first sliding groove 211, and first sliding seat 21 can be longitudinally slid on the long guide rail 12 of base assembly 1. The cross section of short guide rail 22 is dovetail, and its length is equal to the longitudinal length of first sliding seat 21, and short guide rail 22 is equipped with two, and the two short guide rails 22 are arranged in parallel and are respectively fixedly connected on the top of the convex position left and right sides of first sliding seat 21, and the two short guide rails 22 are equal in height, the length of short rack 23 is equal to the longitudinal length of first sliding seat 21, and short rack 23 is vertically fixed on one side wall of the sink in the middle of first sliding seat 21, and short rack 23 is parallel with short guide rail 22 and is parallel with long guide rail 12. The output shaft of first motor 24 is connected with first gear 25, first gear 25 is arranged on one side of long rack 13 of base assembly 1, first gear 25 is matched with long rack 13 and is engaged with each other, and first motor 24 is fixedly connected on the side of one hook-shaped cavity opening of first sliding seat 21. First motor 24 is a servo motor with brake.
[0038] As Figures 1 to 9As shown in the utility model discloses the second sliding assembly 3 includes second sliding seat 31, second motor 32 and second gear 33, second sliding seat 31 be the block-like member of the T-shaped cross section, its longitudinal length does not exceed the longitudinal length of first sliding seat 21, the longitudinal length of second sliding seat 31 of this embodiment is the half of the longitudinal length of first sliding seat 21, second sliding seat 31 is placed on the top of first sliding seat 21, and the lower part of second sliding seat 31 is placed in the sink groove in the middle of first sliding seat 21, the back of the upper part of second sliding seat 31 is respectively provided with second sliding groove 311 on the left and right, the cross section of second sliding groove 311 is swallowtail shape, and the left and right second sliding grooves 311 are corresponding with the two short guide rails 22 of first sliding assembly 2 and are all parallel with each other, and second sliding groove 311 is matched with the corresponding short guide rail 22, and the short guide rail 22 is slidably embedded in the corresponding second sliding groove 311, and second sliding seat 31 can slide on the short guide rail 22 of first sliding assembly 2 in the longitudinal direction. The upper surface of second sliding seat 31 can be provided with several T-shaped grooves to facilitate clamping the workpiece to be processed. The output shaft of second motor 32 is connected with second gear 33, second gear 33 is placed on one side of the short rack 23 of first sliding assembly 2, second gear 33 is matched with short rack 23 and is engaged with each other, and second motor 32 is fixedly connected on the side wall of the lower part of second sliding seat 31. Second motor 32 is a servo motor with a brake.
[0039] As Figures 1 to 5 、 Figure 10 As shown in the utility model discloses the stop assembly 4 includes telescopic cylinder 41, top pressing plate 42 and damping plate 43, telescopic cylinder 41 is the oil cylinder or air cylinder of double output rod, and the telescopic cylinder 41 of this embodiment is the air cylinder of double output rod, top pressing plate 42 is locked on the rod end of the cylinder rod of telescopic cylinder 41, and damping plate 43 is fixedly connected on the top surface of top pressing plate 42. The cylinder rod of several stop assemblies 4 telescopic cylinder 41 is fixedly connected on the lower edge 212 of the left and right two hooks of first sliding seat 21 respectively and is placed below the stop surface 111 of the left and right two sides of fixed seat 11.
[0040] Example two
[0041] As Figure 11 As shown in the utility model discloses the first sliding assembly 2 and second sliding assembly 3 can also be respectively provided with several groups on the basis of example one, and several groups of second sliding assembly 3 can be slidably connected on several groups of first sliding assembly 2, and several groups of first sliding assembly 2 can be dispersed on base assembly 1 in the longitudinal direction and are slidably connected with base assembly 1. Several groups of first sliding assembly 2 and second sliding assembly 3 are simultaneously arranged on the same base assembly 1 to facilitate installing longer workpieces or simultaneously processing multiple workpieces. The first sliding assembly 2 and second sliding assembly 3 of example two are each provided with two groups.
[0042] When the machine tool sliding guide rail mechanism is used, for some workpieces that need to change the machining area and have a large longitudinal movement, the workpieces can be fixed on the second sliding seats 31 of one or more second sliding assemblies 3; since the second sliding seats 31 of one or more second sliding assemblies 3 are respectively slidably connected to the first sliding seats 21 of one or more first sliding assemblies 2, and the first sliding seats 21 of one or more first sliding assemblies 2 are slidably connected to the fixed seat 11 of the base assembly 1, as long as the first sliding seats 21 of one or more first sliding assemblies 2 slide on the long guide rail 12 of the base assembly 1, the workpieces can be moved to a large distance longitudinally under the gantry provided with a tool for machining.
[0043] When a local part of a workpiece is machined, the workpiece is first moved longitudinally under the gantry provided with a tool, and the first sliding seat 21 of the first sliding assembly 2 is fixed by the stop assembly 4; by moving the second sliding seats 31 of one or more second sliding assemblies 3 on the short guide rails 22 of one or more first sliding assemblies 2, small-distance longitudinal feed movement of the workpiece during local part machining can be achieved.
[0044] If the machine tool sliding guide rail mechanism is installed on a multi-station gantry type machine tool with multiple fixed gantries, a plurality of workpieces can be fixed on a plurality of second sliding assemblies 3. By using a plurality of first sliding assemblies 2, large-distance longitudinal movement can be achieved independently; by using a plurality of second sliding assemblies 3, small-distance longitudinal feed movement can be achieved independently, so that a plurality of workpieces can be machined simultaneously on the machine tool.
[0045] The machine tool sliding guide rail mechanism of the utility model, the second sliding seat 31 of the second sliding assembly 3, the first sliding seat 21 of the first sliding assembly 2 and the fixed seat 11 of the base assembly 1 are sequentially arranged from top to bottom to form a superimposed composite structure, the long guide rail 12 and the short guide rail 22 are respectively arranged longitudinally on the fixed seat 11 and the first sliding seat 21, the first sliding groove 211 arranged on the first sliding seat 21 is slidably connected with the long guide rail 12 on the fixed seat 11, so that the first sliding seat 21 drives the second sliding seat 31 to slide on the long guide rail 12 to meet the need of large-distance longitudinal movement of the workpiece; a plurality of stop assemblies 4 fixed on the left and right sides of the first sliding seat 21 are used to limit the sliding of the first sliding seat 21; the second sliding groove 311 arranged on the second sliding seat 31 is slidably connected with the short guide rail 22 on the first sliding seat 21 to meet the frequent movement of small-distance longitudinal feed of the workpiece, so that the wear and repair difficulty of the long guide rail of the machine tool can be reduced, the maintenance cost can be reduced and the service life can be prolonged.
[0046] The above are only two specific embodiments of the present application, but the design concept of the present application is not limited thereto, and any non-substantial change to the present application using this concept shall be deemed to infringe the protection scope of the present application.
Claims
1. A machine tool slide guide mechanism characterized by: The utility model provides a slide assembly, including base assembly (1), first sliding assembly (2), second sliding assembly (3) and stop assembly (4), the top of base assembly (1) and the top of first sliding assembly (2) are equipped with the guide rail of longitudinal arrangement respectively, first sliding assembly (2) is placed on the top of base assembly (1) and is connected with base assembly (1) slidingly, second sliding assembly (3) is placed on the top of first sliding assembly (2) and is connected with first sliding assembly (2) slidingly, second sliding assembly (3) can slide on first sliding assembly (2) longitudinally, first sliding assembly (2) can slide on base assembly (1) longitudinally, stop assembly (4) is equipped with several pieces, several pieces stop assembly (4) are connected on the left and right sides of first sliding assembly (2) and are separately placed on the left and right sides of base assembly (1), and stop assembly (4) can limit first sliding assembly (2) sliding.
2. A machine tool slide guide mechanism according to claim 1, characterized in that: The base assembly (1) includes a fixed seat (11), which is a seat-shaped member with an H-shaped cross-section, and the top of the left and right side wings respectively extends horizontally outward to form a convex edge, and the back of the convex edge is a stop surface (111).
3. A machine tool slide guide mechanism according to claim 2, characterised in that: The base assembly (1) further includes a long guide rail (12) and a long rack (13), the long guide rail (12) has a swallowtail-shaped cross-section, and two long guide rails (12) are provided, which are arranged in parallel and fixed to the top of the left and right side wings of the fixed seat (11), respectively, and the long rack (13) is fixed to the inner side of one of the side wings of the fixed seat (11), and the long rack (13) is parallel to the long guide rail (12).
4. A machine tool slide guide mechanism according to claim 3, wherein: The first sliding assembly (2) includes a first sliding seat (21), which is a member with a central groove and downwardly opening hook-shaped cavities on both sides, and the longitudinal length of the first sliding seat (21) is not more than the longitudinal length of the fixed seat (11), the first sliding seat (21) is sleeved on the fixed seat (11), the convex edges on both sides of the fixed seat (11) are placed in the hook-shaped cavities on both sides of the first sliding seat (21), the lower wing of the hook-shaped cavity of the first sliding seat (21) is provided as a hook lower edge (212), and the upper wing of the hook-shaped cavity is provided with a first sliding groove (211) recessed inwardly, the first sliding groove (211) has a swallowtail-shaped cross-section, and the first sliding grooves (211) on both sides correspond to the two long guide rails (12) of the base assembly (1) and are parallel to each other, the first sliding groove (211) matches the corresponding long guide rail (12), the long guide rail (12) is slidingly embedded in the corresponding first sliding groove (211), and the first sliding seat (21) can slide longitudinally on the long guide rail (12) of the base assembly (1).
5. A machine tool slide guide mechanism according to claim 4, characterised in that: The first sliding assembly (2) further comprises a short guide rail (22) and a short rack (23), the short guide rail (22) is dovetail-shaped in cross section, the short guide rail (22) is provided with two pieces, the two pieces of short guide rail (22) are arranged in parallel and are respectively fixed to the top of the left and right sides of the first sliding seat (21), and the short rack (23) is vertically fixed to one side wall of the middle sink of the first sliding seat (21), the short rack (23) is parallel to the short guide rail (22) and parallel to the long guide rail (12).
6. A machine tool slide guide mechanism according to claim 5, wherein: The first sliding assembly (2) further comprises a first motor (24) and a first gear (25), the output shaft of the first motor (24) is connected with the first gear (25), the first gear (25) is arranged on one side of the long rack (13) of the base assembly (1), and the first gear (25) is matched with the long rack (13) and is in mesh with each other.
7. A machine tool slide guide mechanism according to claim 6, characterised in that: The second sliding assembly (3) comprises a second sliding seat (31), the second sliding seat (31) is a T-shaped member in cross section, the longitudinal length of the second sliding seat (31) is not more than the longitudinal length of the first sliding seat (21), the second sliding seat (31) is arranged above the first sliding seat (21), the lower part of the second sliding seat (31) is arranged in the middle sink of the first sliding seat (21), the left and right sides of the back of the upper part of the second sliding seat (31) are respectively provided with second sliding grooves (311), the second sliding grooves (311) are dovetail-shaped in cross section, the left and right second sliding grooves (311) correspond to the two pieces of short guide rail (22) of the first sliding assembly (2) and are parallel to each other, the second sliding grooves (311) are matched with the corresponding short guide rail (22), the short guide rail (22) is slidably embedded in the corresponding second sliding groove (311), and the second sliding seat (31) can slide longitudinally on the short guide rail (22) of the first sliding assembly (2).
8. A machine tool slide guide mechanism according to claim 7, characterised in that: The second sliding assembly (3) further comprises a second motor (32) and a second gear (33), the output shaft of the second motor (32) is connected with the second gear (33), the second gear (33) is arranged on one side of the short rack (23) of the first sliding assembly (2), and the second gear (33) is matched with the short rack (23) and is in mesh with each other.
9. A machine tool slide guide mechanism according to claim 8, characterised in that: The stop assembly (4) comprises a telescopic cylinder (41), a pressing plate (42) and a damping plate (43), the telescopic cylinder (41) is an oil cylinder or an air cylinder, the pressing plate (42) is locked at the rod end of the telescopic cylinder (41), and the damping plate (43) is fixed to the top surface of the pressing plate (42).
10. A machine tool slide guide mechanism according to claim 9, wherein: The telescopic cylinders (41) of the plurality of stop assemblies (4) are respectively fixed to the lower edges (212) of the hooks on the left and right sides of the first sliding seat (21) and are respectively arranged below the stop surfaces (111) on the left and right sides of the fixed seat (11).