CN112879428B - Pre-tightening device of linear rolling guide rail based on mechanical-hydraulic control system - Google Patents
Pre-tightening device of linear rolling guide rail based on mechanical-hydraulic control system Download PDFInfo
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- CN112879428B CN112879428B CN202110280235.0A CN202110280235A CN112879428B CN 112879428 B CN112879428 B CN 112879428B CN 202110280235 A CN202110280235 A CN 202110280235A CN 112879428 B CN112879428 B CN 112879428B
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- guide rail
- hydraulic cylinder
- block
- control system
- piston rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a pre-tightening device of a linear rolling guide rail based on a machine-liquid control system, which comprises a movable base, a ball, a groove, a movable block and an upper rail, wherein the movable base is connected with a scrap scraping plate through a first screw, the scrap scraping plate is arranged at the top of a lower rail, a wedge block is arranged at the top of the lower rail, the left end part of the wedge block of a support guide rail is connected with a hydraulic cylinder piston rod through a second screw, the hydraulic cylinder piston rod penetrates through and is hermetically connected into a hydraulic cylinder body, the inner side of the top of the hydraulic cylinder body is connected with a slide valve body, the middle of the slide valve body is sleeved with a slide valve core, the outer side of the top of the hydraulic cylinder body is connected with a quantitative pump, and the inner side surface of a scrap collecting box is fixedly provided with a sleeve block. This preloading device of linear rolling guide based on machine liquid control system can control the pretension volume, can clean the oil stain on the pneumatic cylinder piston rod simultaneously.
Description
Technical Field
The invention relates to the technical field of machine tool equipment, in particular to a pre-tightening device of a linear rolling guide rail based on a machine liquid control system.
Background
With the continuous development of modern manufacturing technology, numerical control technology, electromechanical integration and industrial robots are more widely applied in production. The positioning, guiding precision, cutting speed and rapid feeding of a mechanical transmission mechanism are continuously improved, so that a linear rolling guide rail pair replaces a sliding linear guide rail which is widely used in the past, a control system performs centralized lubrication to replace manual oil supply, the linear rolling guide rail can realize high-precision linear motion under the condition of high load, the pretightening force is a very important parameter of the rolling guide rail, the flexibility and the rigidity of the operation of a sliding block can be changed by adjusting the pretightening force, and the precision of the rolling guide rail is further improved, however, the pretightening device of the existing linear rolling guide rail has the following problems:
the existing pre-tightening device of the linear rolling guide rail is used for pre-tightening the rolling guide rail through interference pre-tightening or an adjusting screw, but the pre-tightening amount of the interference pre-tightening is very difficult to control, the pre-tightening of the adjusting screw is threaded due to the front end of a main shaft, the manufacturability is poor, the problem can be well solved by adopting the pre-tightening device of the linear rolling guide rail based on the machine liquid control system, and the machine liquid control system has the characteristics of compact structure, small size, light weight, good rigidity, reliable control, quick response, high precision and the like, so that the wide application is achieved.
We therefore propose a pretensioning device for linear rolling guides based on a mechatronic control system, in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a pre-tightening device of a linear rolling guide rail based on a machine-liquid control system, which aims to solve the problems that the pre-tightening amount is inconvenient to control and oil dirt on a piston rod of a hydraulic cylinder is inconvenient to clean in the prior pre-tightening device of the linear rolling guide rail in the market in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a pre-tightening device of a linear rolling guide rail based on a machine liquid control system comprises a movable base, a ball, a groove, a movable block and an upper rail, wherein the movable base is connected with a scrap scraping plate through a first screw, the scrap scraping plate is installed at the top of a lower rail, a supporting guide rail wedge block is installed at the top of the lower rail, a connecting block is installed at the top of the lower rail and is installed at the bottom of the upper rail, the upper rail is positioned above the lower rail, the left end part of the supporting guide rail wedge block is connected with a hydraulic cylinder piston rod through a second screw, the hydraulic cylinder piston rod penetrates through the hydraulic cylinder body in a sealing connection mode, the hydraulic cylinder piston rod is sleeved in the scrap scraping plate, the hydraulic cylinder body is installed at the top of the movable base through a fixed tripod, the hydraulic cylinder piston rod penetrates through the middle part of the hydraulic cylinder body in a sealing connection mode, and the inner side of the top of the hydraulic cylinder body is connected with a slide valve body, a slide valve core is sleeved in the middle of the slide valve body, the end part of the slide valve core is connected with a lever handle, the front side of the upper part of the lever handle is provided with a graduated scale, the outer side of the top of the hydraulic cylinder body is connected with a constant delivery pump, the constant delivery pump is connected with a motor, an overflow valve is arranged above the motor, the left end part of the upper track is provided with a wedge adjusting plate, the top of the scrap scraping plate is provided with an installation through hole, the installation through hole is connected with a cleaning ring, a guide plate is fixed below the outer side of the installation through hole, a scrap collecting box is arranged below the guide plate, the inner side end surface of the scrap collecting box is fixed with a sleeve block, the sleeve block is connected into an inserting groove, the inserting groove is arranged on the side surface of a fixing plate, the fixing plate is fixed in the middle part of the outer side of the scrap scraping plate, and the middle part of the fixing plate is connected with a clamping rod through a second reset spring, and the clamping rod is positioned below the fixing plate.
Preferably, the support rail wedge block is connected with the lower rail through a ball, a standard rail block is connected to the middle of the lower rail in a penetrating manner, and the ball is connected among the support rail wedge block, the standard rail block and the lower rail.
Preferably, the balls are distributed on the outer side of the standard guide rail block at equal intervals, and the support guide rail wedge block forms a relative movement structure through the balls, the lower rail and the hydraulic cylinder piston rod.
Preferably, the moving direction of the hydraulic cylinder piston rod is opposite to that of the slide valve body, and the hydraulic cylinder piston rod and the slide valve body form a structure with a tight front part and a loose back part.
Preferably, the slide valve body forms a horizontal sliding structure through the slide valve core, the lever handle and the hydraulic cylinder body, and the displacement of the lever handle is equal to the pre-tightening amount of the pre-tightening device.
Preferably, the outside of clean ring is seted up flutedly, and is connected with the movable block through first reset spring in the recess to the tip of movable block is connected in the draw-in groove, and the draw-in groove is seted up on the inner wall of installation opening moreover.
Preferably, the end part and the clamping groove of the movable block are both designed into a triangular structure, and the movable block forms a clamping structure through the first return spring and the clamping groove.
Preferably, the guide plates correspond to the chip collecting boxes one by one, and the chip collecting boxes are symmetrically distributed on two sides of the chip scraping plate.
Preferably, the clamping rod forms an elastic moving structure through the second return spring and the inserting groove, the clamping rod is integrally designed to be of a U-shaped structure, and the bottom of the clamping rod is designed to be a rectangular frame.
Compared with the prior art, the invention has the beneficial effects that: the pre-tightening device of the linear rolling guide rail based on the machine-liquid control system;
1. through the hydraulic cylinder piston rod, the slide valve spool, the lever handle, the graduated scale, the constant delivery pump, the motor and the overflow valve, the motor drives the constant delivery pump to supply oil to the slide valve through giving an initial displacement of the slide valve, the slide valve spool is pushed to drive the slide valve to move through the lever handle, and the piston rod is further driven to move so as to achieve the aim of pre-tightening the slide block;
2. the device is characterized in that the support guide rail wedge block is relatively moved with a lower rail through the arranged support guide rail wedge block, the balls, the standard guide rail block, the connecting block and the wedge block adjusting plate, so that the device is pre-tightened, the standard guide rail block, the connecting block and the wedge block adjusting plate enable the interior of the device to be stably connected, the balls can reduce friction and abrasion, the stability and the reliability of a machine tool are greatly improved, the temperature rise, the noise, the vibration and other properties are obviously improved, and the influence of abrasion on the machining precision and the machining quality of the numerical control machine tool is avoided;
3. the cleaning ring can clean scraps adhered to the piston rod of the hydraulic cylinder through the arranged mounting through opening, the cleaning ring, the groove, the first reset spring, the movable block and the clamping groove, when the cleaning ring is replaced, the cleaning ring is pulled to the outer side of the mounting through opening, the movable block on the outer side of the cleaning ring can compress the first reset spring to be separated from the clamping groove and further replaced, the mounting can be carried out in the same way, and therefore the cleaning ring can be conveniently detached and washed;
4. through deflector, cover piece, inserting groove, fixed plate, second reset spring and the kelly that sets up for the sweeps after the deflector will clear up is leading-in to a collection bits case, and stimulates the kelly, and the kelly will compress second reset spring and slide in the inserting groove, and then makes inserting groove and cover piece separate, thereby will collect the collection bits case branch of sweeps and pull down, carries out subsequent processing.
Drawings
FIG. 1 is a schematic view of the overall front view structure of the present invention;
FIG. 2 is a schematic view of a positive-view structure of the constant delivery pump of the present invention;
FIG. 3 is a front view of the guide plate of the present invention;
FIG. 4 is a schematic side view of the cleaning ring of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is a schematic top view of the movable block of the present invention;
FIG. 7 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 8 is a top view of the latch of the present invention.
In the figure: 1. a movable base; 2. a first screw; 3. a scraping plate; 4. supporting a guide rail wedge; 5. a ball bearing; 6. a standard guide rail block; 7. a lower rail; 8. connecting blocks; 9. a second screw; 10. a hydraulic cylinder piston rod; 11. a hydraulic cylinder body; 12. fixing a tripod; 13. a spool valve body; 14. a spool valve core; 15. a lever handle; 16. a graduated scale; 17. a constant delivery pump; 18. an electric motor; 19. an overflow valve; 20. a wedge adjusting plate; 21. installing a through opening; 22. cleaning the ring; 23. a groove; 24. a first return spring; 25. a movable block; 26. a card slot; 27. a guide plate; 28. a scrap collecting box; 29. sleeving blocks; 30. inserting grooves; 31. a fixing plate; 32. a second return spring; 33. a clamping rod; 34. and (4) an upper rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a pre-tightening device of a linear rolling guide rail based on a machine-liquid control system comprises a moving base 1, a first screw 2, a scrap scraping plate 3, a support guide rail wedge 4, a ball 5, a standard guide rail block 6, a lower rail 7, a connecting block 8, a second screw 9, a hydraulic cylinder piston rod 10, a hydraulic cylinder body 11, a fixed tripod 12, a sliding valve body 13, a sliding valve core 14, a lever handle 15, a graduated scale 16, a dosing pump 17, a motor 18, an overflow valve 19, a wedge adjusting plate 20, an installation through hole 21, a cleaning ring 22, a groove 23, a first return spring 24, a movable block 25, a clamping groove 26, a guide plate 27, a scrap collecting box 28, a sleeve block 29, a splicing groove 30, a fixing plate 31, a second return spring 32, a clamping rod 33 and an upper rail 34, wherein the moving base 1 is connected with the scrap scraping plate 3 through the first screw 2, the scrap scraping plate 3 is installed at the top of the lower rail 7, and the support wedge guide rail 4 is installed at the top of the lower rail 7, the top of the lower rail 7 is provided with a connecting block 8, the connecting block 8 is arranged at the bottom of the upper rail 34, the upper rail 34 is positioned above the lower rail 7, the left end part of the supporting guide rail wedge 4 is connected with a hydraulic cylinder piston rod 10 through a second screw 9, the hydraulic cylinder piston rod 10 is connected in a hydraulic cylinder body 11 in a penetrating and sealing way, the hydraulic cylinder piston rod 10 is sleeved in the scraping plate 3, the hydraulic cylinder body 11 is arranged at the top of the movable base 1 through a fixed tripod 12, the hydraulic cylinder piston rod 10 is connected in the middle of the hydraulic cylinder body 11 in a penetrating and sealing way, the inner side of the top of the hydraulic cylinder body 11 is connected with a slide valve body 13, the middle of the slide valve body 13 is sleeved with a slide valve core 14, the end part of the slide valve core 14 is connected with a lever handle 15, the front side of the upper part of the lever handle 15 is provided with a graduated scale 16, the outer side of the top of the hydraulic cylinder body 11 is connected with a quantitative pump 17, the fixed displacement pump 17 is connected with the motor 18, an overflow valve 19 is mounted above the motor 18, a wedge adjusting plate 20 is mounted at the left end of an upper rail 34, an installation through opening 21 is formed in the top of the scrap scraping plate 3, a cleaning ring 22 is connected into the installation through opening 21, a guide plate 27 is fixed below the outer side of the installation through opening 21, a scrap collecting box 28 is mounted below the guide plate 27, a sleeve block 29 is fixed on the inner side end face of the scrap collecting box 28, the sleeve block 29 is connected into a plug-in groove 30, the plug-in groove 30 is formed in the side face of a fixing plate 31, the fixing plate 31 is fixed in the middle of the outer side of the scrap scraping plate 3, a clamping rod 33 penetrates through the middle of the fixing plate 31 through a second return spring 32, and the clamping rod 33 is located below the fixing plate 31;
the support guide rail wedge block 4 is connected with the lower rail 7 through the ball 5, the middle part of the lower rail 7 is connected with the standard guide rail block 6 in a penetrating mode, and the ball 5 is connected among the support guide rail wedge block 4, the standard guide rail block 6 and the lower rail 7, so that the ball 5 can reduce friction force and abrasion when the support guide rail wedge block 4 and the lower rail 7 move relatively;
the balls 5 are distributed on the outer side of the standard guide rail block 6 at equal intervals, and the support guide rail wedge block 4 forms a synchronous moving structure through the balls 5 between the lower rail 7 and the hydraulic cylinder piston rod 10, so that the support guide rail wedge block 4 is driven to move in the same direction after the hydraulic cylinder piston rod 10 moves, and relative movement is formed between the support guide rail wedge block and the lower rail 7.
The moving directions of the hydraulic cylinder piston rod 10 and the slide valve body 13 are opposite, and the hydraulic cylinder piston rod 10 and the slide valve body 13 form a structure with tight front and loose back, so that the hydraulic cylinder piston rod 10 is pushed to move towards the pre-tightening direction by giving a backward displacement to the slide valve body 13, and the hydraulic cylinder piston rod 10 is pushed to move towards the opposite direction by giving a forward displacement to the slide valve body 13;
the slide valve body 13 forms a horizontal sliding structure through the slide valve core 14, the lever handle 15 and the hydraulic cylinder body 11, and the displacement of the lever handle 15 is equal to the pre-tightening amount of the pre-tightening device, so that the numerical value of the lever handle 15 after moving can be directly reflected on the graduated scale 16, and people can conveniently adjust the pre-tightening amount;
a groove 23 is formed in the outer side of the cleaning ring 22, a movable block 25 is connected to the groove 23 through a first return spring 24, the end of the movable block 25 is connected to a clamping groove 26, and the clamping groove 26 is formed in the inner wall of the installation through opening 21, so that after the cleaning ring 22 is installed in the installation through opening 21, the movable block 25 and the clamping groove 26 are clamped with each other;
the end part of the movable block 25 and the clamping groove 26 are designed into a triangular structure, and the movable block 25 forms a clamping structure with the clamping groove 26 through the first return spring 24, so that the movable block 25 extrudes the first return spring 24 to be separated from the clamping groove 26 during disassembly, and convenient and fast disassembly is realized;
the positions of the guide plates 27 and the scrap collecting boxes 28 are in one-to-one correspondence, and the scrap collecting boxes 28 are symmetrically distributed on two sides of the scrap scraping plate 3, so that the guide plates 27 can guide cleaned scraps into the scrap collecting boxes 28, and each scrap collecting box 28 is provided with a corresponding guide plate 27 which appears in a group;
the clamping rod 33 forms an elastic moving structure through the second return spring 32 and the insertion groove 30, the clamping rod 33 is integrally designed to be of a U-shaped structure, the bottom of the clamping rod 33 is designed to be a rectangular frame, the clamping rod 33 slides between the insertion groove 30 through the second return spring 32, the chip collecting box 28 can be conveniently disassembled and assembled, and normal work of the chip collecting box can not be influenced.
The working principle is as follows: when the pre-tightening device for the linear rolling guide rail based on the mechanical-hydraulic control system is used, as shown in fig. 1-2, firstly, the lever handle 15 is pushed, the lever handle 15 can give an initial displacement to the slide valve body 13 through the slide valve core 14 to serve as an initial position record, then the motor 18 is started, the motor 18 can provide power for the constant delivery pump 17, the constant delivery pump 17 can start to supply oil to the mechanical-hydraulic control system, the overflow valve 19 can prevent the mechanical fluid from overflowing, the oil can be conveyed into the hydraulic cylinder body 11 through the slide valve body 13 to further push the hydraulic cylinder piston rod 10 to horizontally move, the hydraulic cylinder piston rod 10 can drive the support guide rail wedge 4 to move through the second screw 9 after moving, the balls 5 are connected among the support guide rail wedge 4, the standard guide rail block 6 and the lower rail 7 in the moving process of the support guide rail wedge 4, and further the support guide rail wedge 4 and the lower rail 7 can relatively move, the purpose of pre-tightening the sliding block is achieved, friction and abrasion in the moving process can be reduced by the ball 5, machining precision and machining quality of the numerical control machine tool are better, the graduated scale 16 is arranged on the lever handle 15, the displacement of the lever handle 15 can be fed back to the graduated scale 16, pre-tightening amount can be known, a backward displacement is given to the sliding valve body 13, the hydraulic cylinder piston rod 10 can be pushed to move towards the pre-tightening direction, conversely, the forward displacement is given to the sliding valve body 13, the hydraulic cylinder piston rod 10 can be pushed to move towards the opposite direction, the moving base 1 is fixedly connected with the scraping plate 3 through the first screw 2, the fixed tripod 12 can provide a determination support between the hydraulic cylinder body 11 and the moving base 1, and therefore people can conveniently control the pre-tightening amount, and operation is convenient and fast;
as shown in fig. 3-8, in the working process of the hydraulic cylinder piston rod 10, the hydraulic cylinder piston rod 10 is sleeved in the scrap scraping plate 3, the scraps produced during machining of a machine tool can adhere to the hydraulic cylinder piston rod 10 and need to be cleaned, the cleaning ring 22 installed in the installation through hole 21 formed in the scrap scraping plate 3 can clean the outer side of the hydraulic cylinder piston rod 10, so that the adhered scraps are scraped off, the dropped scraps can fall into the scrap collecting box 28 through the guide plate 27 to be collected, after the use for a period of time, the cleaning ring 22 and the scrap collecting box 28 need to be disassembled and cleaned, when the cleaning ring 22 is cleaned, the cleaning ring 22 is pulled towards the outer side of the installation through hole 21, the movable block 25 on the outer side of the cleaning ring 22 can be extruded with the clamping groove 26, and further the movable block 25 compresses the first return spring 24 along the inclined edge and retracts into the groove 23, then just can dismantle the washing with clean ring 22, during the installation, insert clean ring 22 in installation opening 21, movable block 25 moves to draw-in groove 26 department and will block with it, then just the installation is finished, when handling album bits case 28, manual pulling kelly 33, kelly 33 will compress second reset spring 32 and slide in inserting groove 30, just can separate album bits case 28 and fixed plate 31 after withdrawing from the cover piece 29 completely, and then carry out subsequent cleaning with album bits case 28, and then pulling kelly 33 once more, peg graft in inserting groove 30 with cover piece 29, and then loose hand, kelly 33 will reset under second reset spring 32's elasticity effect, and then steadily fix collection bits case 28 in the outside of scraping bits board 3 and continue to use, thereby realize collecting and clearing up the sweeps, thereby accomplish a series of work.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.
Claims (9)
1. The utility model provides a preloading device of straight line rolling guide based on machine liquid control system, includes removal base (1), ball (5), recess (23), movable block (25) and last track (34), its characterized in that: the scrap removing device is characterized in that the movable base (1) is connected with the scrap scraping plate (3) through a first screw (2), the scrap scraping plate (3) is installed at the top of the lower rail (7), the supporting guide rail wedge block (4) is installed at the top of the lower rail (7), the connecting block (8) is installed at the bottom of the upper rail (34), the upper rail (34) is located above the lower rail (7), the left end of the supporting guide rail wedge block (4) is connected with the hydraulic cylinder piston rod (10) through a second screw (9), the hydraulic cylinder piston rod (10) is connected to the hydraulic cylinder body (11) in a penetrating and sealing mode, the hydraulic cylinder piston rod (10) is sleeved in the scrap scraping plate (3), the hydraulic cylinder body (11) is installed at the top of the movable base (1) through a fixed screw (12), and the hydraulic cylinder piston rod (10) penetrates through and is connected to the middle of the hydraulic cylinder body (11) in a sealing mode, the inner side of the top of the hydraulic cylinder body (11) is connected with a slide valve body (13), the middle of the slide valve body (13) is sleeved with a slide valve core (14), the end part of the slide valve core (14) is connected with a lever handle (15), the front side of the upper part of the lever handle (15) is provided with a graduated scale (16), the outer side of the top of the hydraulic cylinder body (11) is connected with a constant delivery pump (17), the constant delivery pump (17) is connected with a motor (18), an overflow valve (19) is arranged above the motor (18), the end part of the left side of an upper track (34) is provided with a wedge adjusting plate (20), the top of the scraping plate (3) is provided with an installation through hole (21), the installation through hole (21) is connected with a cleaning ring (22), a guide plate (27) is fixed below the outer side of the installation through hole (21), and a scrap collecting box (28) is arranged below the guide plate (27), the inner side end face of the scrap collecting box (28) is fixedly provided with a sleeve block (29), the sleeve block (29) is connected into an insertion groove (30), the insertion groove (30) is arranged on the side face of a fixing plate (31), the fixing plate (31) is fixed to the middle of the outer side of the scrap scraping plate (3), the middle of the fixing plate (31) is connected with a clamping rod (33) in a penetrating mode through a second return spring (32), and the clamping rod (33) is located below the fixing plate (31).
2. The pretensioning device for the linear rolling guide rail based on the mechanical-hydraulic control system as claimed in claim 1, wherein: the supporting guide rail wedge block (4) is connected with the lower rail (7) through a ball (5), the middle of the lower rail (7) is connected with a standard guide rail block (6) in a penetrating mode, and the ball (5) is connected among the supporting guide rail wedge block (4), the standard guide rail block (6) and the lower rail (7).
3. The pre-tightening device for the linear rolling guide rail based on the mechanical-hydraulic control system is characterized in that: the balls (5) are distributed on the outer side of the standard guide rail block (6) at equal intervals, and the support guide rail wedge block (4) forms a relative movement structure through the balls (5), the lower rail (7) and the hydraulic cylinder piston rod (10).
4. The pretensioning device for the linear rolling guide rail based on the mechanical-hydraulic control system as claimed in claim 1, wherein: the moving directions of the hydraulic cylinder piston rod (10) and the slide valve body (13) are opposite, and the hydraulic cylinder piston rod (10) and the slide valve body (13) form a structure with a tight front and a loose back.
5. The pretensioning device for the linear rolling guide rail based on the mechanical-hydraulic control system as claimed in claim 1, wherein: the slide valve body (13) forms a horizontal sliding structure through the slide valve core (14), the lever handle (15) and the hydraulic cylinder body (11), and the displacement of the lever handle (15) is equal to the pre-tightening amount of the early warning device.
6. The pretensioning device for the linear rolling guide rail based on the mechanical-hydraulic control system as claimed in claim 1, wherein: the outside of clean ring (22) is seted up flutedly (23), and is connected with movable block (25) through first reset spring (24) in flutedly (23) to the tip of movable block (25) is connected in draw-in groove (26), and draw-in groove (26) are seted up on the inner wall of installation opening (21) moreover.
7. The pretensioning device for the linear rolling guide rail based on the mechanical-hydraulic control system as claimed in claim 6, wherein: the end part of the movable block (25) and the clamping groove (26) are designed to be triangular structures, and the movable block (25) forms a clamping structure through the first reset spring (24) and the clamping groove (26).
8. The pretensioning device for the linear rolling guide rail based on the mechanical-hydraulic control system as claimed in claim 1, wherein: the guide plates (27) are in one-to-one correspondence with the positions of the chip collecting boxes (28), and the chip collecting boxes (28) are symmetrically distributed on two sides of the chip scraping plate (3).
9. The pretensioning device for the linear rolling guide rail based on the mechanical-hydraulic control system as claimed in claim 1, wherein: the clamping rod (33) forms an elastic moving structure through the second return spring (32) and the insertion groove (30), the clamping rod (33) is integrally designed to be of a U-shaped structure, and the bottom of the clamping rod (33) is designed to be a rectangular frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110280235.0A CN112879428B (en) | 2021-03-16 | 2021-03-16 | Pre-tightening device of linear rolling guide rail based on mechanical-hydraulic control system |
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| CN202110280235.0A CN112879428B (en) | 2021-03-16 | 2021-03-16 | Pre-tightening device of linear rolling guide rail based on mechanical-hydraulic control system |
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| CN112879428B true CN112879428B (en) | 2022-08-26 |
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| CN104011411A (en) * | 2011-12-16 | 2014-08-27 | 株式会社小金井 | Linear reciprocating device |
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| GB666543A (en) * | 1949-11-29 | 1952-02-13 | Denter & Co High Wycombe Ltd | Improvements in and relating to linear ball bearings |
| DE2916280B2 (en) * | 1979-04-21 | 1981-03-12 | Carl Hurth Maschinen-Und Zahnradfabrik, 8000 Muenchen | Combined rolling / sliding guide as straight guide |
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