CN112828670B - Protective curtain and lathe - Google Patents
Protective curtain and lathe Download PDFInfo
- Publication number
- CN112828670B CN112828670B CN202110241528.8A CN202110241528A CN112828670B CN 112828670 B CN112828670 B CN 112828670B CN 202110241528 A CN202110241528 A CN 202110241528A CN 112828670 B CN112828670 B CN 112828670B
- Authority
- CN
- China
- Prior art keywords
- curtain
- driven
- plate
- curtain plate
- sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
- B23Q11/0825—Relatively slidable coverings, e.g. telescopic
-
- 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 application discloses protection curtain and lathe relates to lathe protection technical field. The protective curtain comprises an installation frame body, a driving curtain plate, a fixed curtain plate and a driven curtain plate. The driving curtain plate is in sliding fit with the mounting frame body along the moving direction. And the fixed curtain board is fixedly assembled with the mounting frame body. Driven curtain with installation framework is along moving direction sliding fit, just the first end of driven curtain with initiative curtain is along moving direction sliding fit, the second end of driven curtain with fixed curtain is along moving direction sliding fit. The driving curtain plate and the driven curtain plate are arranged in a staggered mode, and the driven curtain plate and the fixed curtain plate are arranged in a staggered mode. The protective curtain provided by the invention is stable and smooth in movement, high in structural strength and long in service life.
Description
Technical Field
The invention relates to the technical field of machine tool protection, in particular to a protective curtain and a machine tool, which are mainly applied to protection of a main shaft and a guide rail in the machine tool with a movable main shaft.
Background
The numerical control machine tool is an automatic machine tool provided with a program control system, can automatically process parts, and is an indispensable production tool in the manufacturing industry at present. The machine tool generates a large amount of high-temperature chips during cutting and machining operations, and in addition, the cutting fluid is required to be cooled and lubricated in the cutting and machining process, the chips and the cutting fluid are easy to splash everywhere, and parts such as guide rails, transmission parts and the like in the machine tool can be damaged and corroded, so that the protection work of the machine tool is very important. The machine tool is usually internally provided with a protective curtain for protecting a machine tool guide rail, a machine tool spindle and the like, and the internal hard guide rail, the linear guide rail, the ball screw or the transmission rack of the machine tool can be protected from being corroded and damaged by the outside. At present, the lathe can adopt organ formula protection curtain in order to satisfy the removal requirement of lathe main shaft usually, and organ formula protection curtain comprises canvas and stainless steel skin, but at the protection curtain removal in-process, the piece presss from both sides easily in the fold of protection curtain, and the protection curtain takes place the damage easily, and life is shorter.
Disclosure of Invention
The invention provides a protective curtain and a machine tool aiming at the problems, wherein the protective curtain is stable and smooth in movement, high in structural strength and long in service life.
The technical scheme adopted by the invention is as follows: the invention provides a protective curtain which comprises an installation frame body, a driving curtain plate, a fixed curtain plate and a driven curtain plate. The driving curtain plate is in sliding fit with the mounting frame body along the moving direction. And the fixed curtain plate is fixedly assembled with the mounting frame body. The driven curtain board with installation framework is along moving direction sliding fit, just the first end of driven curtain board with initiative curtain board is along moving direction sliding fit, the second end of driven curtain board with fixed curtain board is along moving direction sliding fit. The driving curtain plate and the driven curtain plate are arranged in a staggered mode, and the driven curtain plate and the fixed curtain plate are arranged in a staggered mode.
Movable parts such as a machine tool spindle and the like are installed in an installation hole of a driving curtain plate, the spindle can be linked with the driving curtain plate to move along an installation frame body when moving, two ends of a driven curtain plate are respectively in sliding fit with the driving curtain plate and a fixed curtain plate, when the driving curtain plate moves, the driving curtain plate can drive the driven curtain plate to slide relative to the fixed curtain plate and the driving curtain plate, due to the fact that the driving curtain plate and the driven curtain plate are arranged in a staggered mode and the driven curtain plate and the fixed curtain plate are arranged in a staggered mode, a telescopic structure can be formed when the driving curtain plate and the driven curtain plate slide relative to each other, the telescopic structure can also be formed when the driven curtain plate and the fixed curtain plate slide relative to each other, the protection requirement of the machine tool spindle in the moving machining process can be effectively met, and the protection curtain is free of wrinkles and cannot be damaged due to chip clamping and the like. In addition, the driving curtain plate and the driven curtain plate are provided with two sliding fit structures when moving, one is the sliding fit structure of the driving curtain plate and the driven curtain plate and the installation frame body respectively, the other is the sliding fit structure formed among the driving curtain plate, the driven curtain plate and the fixed curtain plate, and the moving is stable and smooth.
The moving direction refers to the moving direction of the driving curtain plate, and the moving directions of the driving curtain plate and the driven curtain plate are consistent. The first and second ends of the driven shutter slat refer to both ends of the driven shutter slat in the moving direction.
Preferably, the driving curtain plate, the driven curtain plate and the fixed curtain plate are arranged in a staggered mode, and the telescopic stroke of the protective curtain is long.
Specifically, the installation frame body, the driving curtain plate, the fixed curtain plate and the driven curtain plate are all made of steel materials, and the structural strength is high. Preferably, the steel is stainless steel, and the stainless steel not only has excellent mechanical strength, but also has good corrosion resistance, so as to avoid corrosion caused by contact with cutting fluid and the like, and ensure the service life of the protective curtain. But not limited to, part of the structure in the protective curtain of the invention can also be made of copper alloy, and the copper alloy has antifriction property, good ductility and better wear resistance.
In an example of the present invention, the mounting frame includes a frame and a sliding guide rail, the sliding guide rail is fixedly mounted on the frame, the driving curtain plate and the driven curtain plate are both provided with bending ear plates, and the bending ear plates are in sliding fit with the sliding guide rail.
Wherein, for guaranteeing the holistic structural strength of the otic placode of buckling, can be fixed on the otic placode of buckling and set up the reinforcing otic placode. The reinforcing ear plate can be fixed on the bent ear plate by welding or a fastener such as a bolt. However, the bent ear plate itself has a strong structural strength when the thickness of the bent ear plate is thick, and a reinforcing ear plate may not be additionally provided, which is not particularly limited in the embodiment of the present invention.
Specifically, the quantity of sliding guide is two, and two sliding guide install respectively in the both sides of frame, and the both sides of initiative curtain board and the both sides of every driven curtain board all are equipped with one and buckle the otic placode, and the otic placode of buckling of initiative curtain board and driven curtain board both sides leads with two sliding guide cooperation respectively, and the sliding fit structure is more stable, can guarantee the straight line slip of initiative curtain board and driven curtain board.
Optionally, the sliding guide rail is a square guide rail, the bent ear plate is matched with the side wall of the driving curtain plate or the side wall of the driven curtain plate to form a right angle, and the bent ear plate slides against the square guide rail, so that the driving curtain plate and the driven curtain plate slide back and forth along the sliding guide rail. However, the sliding guide may also be a guide rail with other shapes such as a circular shape, and the shape of the bent lug plate is adapted to the sliding surface of the sliding guide rail for sliding, which is not particularly limited in the embodiment of the present invention.
In an embodiment of the present invention, the sliding guide rail includes a plurality of guide rail units, and two adjacent guide rail units are disposed with a space therebetween to form a deformation gap. Along with long-time use, the protection curtain is at the continuous round trip movement in-process, and the amount of deflection of sliding guide can change, and sliding guide can take place bending deformation promptly, sets sliding guide to the guide rail unit that a plurality of intervals set up, and the deformation gap between two adjacent guide rail units can satisfy the deformation space, improves sliding guide's deformation problem effectively. Compared with the integral single-piece sliding guide rail, the sliding guide rail is generally required to be customized according to the stroke of a main shaft of a machine tool, the production cost of the sliding guide rail is relatively high, and the cost of the sliding guide rail with a split structure formed by a plurality of guide rail units is relatively low. In addition, the sliding guide rail can play the effect of parallels, has the absorbing function, can be used to the lathe damping machine self vibration, reduces the vibrational force and passes outward.
In an embodiment of the present invention, the sliding guide rail is an integral structure, that is, one sliding guide rail is a single long structure. The sliding guide rail has good integrity, the structural rigidity of the protective curtain in the moving direction can be well increased, and in addition, the sliding surface of the integral sliding guide rail is flat, so that the driving curtain plate and the sliding curtain plate can slide more smoothly.
In an embodiment of the present invention, the driven curtain board includes a plurality of driven units sliding-fitted in sequence along the moving direction, and the plurality of driven units are sequentially arranged in a staggered manner. A plurality of driven units mutually cooperate and form flexible structure, and the flexible stroke of protection curtain is longer. Specifically, the number of the driven units can be adjusted according to the stroke of the machine tool spindle, so that the protective curtain of the machine tool spindle can form a movable telescopic barrier in the moving process, and parts such as a guide rail, a transmission part and the like in the inner space of the machine tool can be fully protected.
The length, the width and the height of the driving curtain plate, the plurality of driven units and the fixed curtain plate are sequentially decreased progressively, when the protective curtain is in a contraction state, the driving curtain plate can completely cover the driven curtain plate and the fixed curtain plate, and the volume of the telescopic side of the protective curtain is minimum, so that the protective curtain has a longer stroke length. Wherein, both ends of the driving curtain plate are provided with telescopic structures, and the main curtain plate can be stretched and slid in the directions of both ends of the main curtain plate. The telescopic structures at the two ends of the driving curtain plate respectively comprise a plurality of driven units and a fixed curtain plate, and the number and the size of the driven units can be adjusted according to the moving stroke of a machine tool spindle.
In an embodiment of the present invention, soft edge strips are disposed between the driving curtain plate and the driven curtain plate, between the driven units of the driven curtain plate, and between the driven curtain plate and the fixed curtain plate, so as to increase the sealing performance between the curtain plates and reduce the noise of the protective curtain during the back-and-forth sliding. Optionally, the soft edge banding may be made of rubber, silica gel, pvc, or the like.
Each driven unit is provided with a bent lug plate. The bending ear plates on the driven units close to the fixed curtain plates are closer to the front ends of the driven units when the driven units are compressed and moved, namely the bending ear plates on the driven units between the driving curtain plates and the fixed curtain plates are different in position, the bending ear plates on the driven units close to the driving curtain plates are located at the end parts, close to the driving curtain plates, of the driven units, the bending ear plates on the driven units close to the fixed curtain plates are located at the end parts, close to the fixed curtain plates, of the driven units, and therefore the protection curtain can be shortened as far as possible, and the protection curtain is guaranteed to be long in telescopic stroke. In addition, the ear plate of buckling of different driven units is with the layer setting, makes driven curtain board slide stably smooth and easy on the one hand, simultaneously, when making the protection curtain be in the shrink state, driven unit's the ear plate of buckling is in proper order near together, can form limit structure.
In an example of the present invention, the driving curtain plate and the plurality of driven units are provided with sliding grooves, the fixed curtain plate and the plurality of driven units are provided with guide posts, the sliding groove of the driving curtain plate is in sliding fit with the guide post of one of the driven units, the guide post of the fixed curtain plate is in sliding fit with the sliding groove of one of the driven units, and the plurality of driven units are in sliding fit with each other sequentially through the sliding grooves and the guide posts.
In an example of the present invention, the guide post includes a rod portion and a head portion connected to each other, and a plurality of teeth for being embedded during installation are provided on an end surface of the head portion facing the rod portion. Through the setting of tooth, tooth can imbed the surface of initiative curtain board or driven curtain board in the guide post assembling process, reaches the effect of blocking, makes the guide post firmly fix on the surface of initiative curtain board or driven curtain board, has fine locking function, long service life. Wherein, a plurality of tooth symmetric distribution or cyclic annular evenly distributed are at the periphery of pole portion and head hookup location, and locking effectual that moves.
But not limited thereto, the guide post may also have no tooth structure and be composed of a rod part and a head part which are connected with each other, the guide post may be fixed to the fixed curtain plate and the driven unit by welding, or the guide post is provided with a threaded section on the rod part and is fixedly connected with the fixed curtain plate and the driven unit by a threaded structure, and the embodiment of the present invention is not particularly limited thereto.
In one embodiment of the present invention, the teeth are perpendicular to the end surface of the head, and the head has a regular polygonal groove. When vertically tooth inlays the surface of initiative curtain board or driven curtain board, location effect is good, is difficult to not hard up, and recess on the head is used for external stamping tool's location, and the recess sets up to regular polygon, and stamping tool is difficult to rotate when inserting the recess and pressing the guide post into the surface of initiative curtain board or driven curtain board, and then avoids tooth to take place to warp, influences the guide post assembly effect. The groove can be in a regular polygon structure such as a regular quadrangle, a regular pentagon and a regular hexagon, and the positioning effect is good. But not limited thereto, the shape of the groove may also be adjusted according to the shape of the press tool.
In an embodiment of the present invention, the driving curtain plate, the plurality of driven units and the fixed curtain plate are further fixedly installed with a reinforcing plate, and the reinforcing plates of the driving curtain plate and the plurality of driven units have slots adapted to the sliding grooves.
Set up the reinforcing plate and can strengthen the thickness of initiative curtain, the fitting surface between a plurality of driven units and the fixed curtain to increase structural strength, especially can effectively avoid leading to the problem that structural strength weakens because of having seted up the spout on initiative curtain and the driven unit, can also increase the degree of depth of spout and the mounting structure intensity of guide post, the guide post can stretch into the spout more deeply, in order to avoid using for a long time the back owing to take place wearing and tearing and lead to the guide post to deviate from the spout. In addition, the sliding grooves are arranged at the folding positions of the driving curtain plate, the driven unit and the fixed curtain plate, and the reinforcing plates are arranged at the folding positions, so that the overall weight of the protective curtain can be relatively light under the condition of ensuring the structural strength of the protective curtain.
But not limited thereto, when the driving curtain plate, the driven unit and the fixed curtain plate are made of thick materials, the driving curtain plate, the driven unit and the fixed curtain plate have strong structural rigidity, no reinforcing plate is needed, the integrity is good, the number of parts is small, but the production cost is relatively high, and the weight of the whole protective curtain is relatively heavy.
In one embodiment of the present invention, the mounting frame includes a bottom plate having a slide way; and part of the reinforcing plates of the driven units are provided with guide blocks, and the guide blocks extend into the slide ways and are in sliding fit with the slide ways.
Because between initiative curtain board and the driven curtain board and all be the staggered floor setting between a plurality of driven unit, can lead to partial driven unit's both sides great with sliding guide's interval, and the interval of this department is bigger can lead to the driven unit stability variation when flexible slip, and the guide block of reinforcing plate and the slide cooperation of bottom plate form the third sliding fit structure, can guarantee that these driven unit remove stably smoothly.
Wherein, set up with having the interval between bottom plate and the sliding guide, form the sliding gap, buckle the otic placode and stretch into in the sliding gap to slide with the sliding guide cooperation, and buckle the both sides of otic placode and be difficult to deviate from under bottom plate and sliding guide's limiting action.
Gaps are formed among the driven units, the telescopic sliding is smooth, and the driven units can be driven mutually when sliding.
In an example of the present invention, the driven unit of the reinforcing plate having the guide block is a first driven unit, the driven unit of the reinforcing plate having no guide block is a second driven unit, and the first driven unit and the second driven unit are arranged at intervals.
Because the driven units are arranged in a staggered manner, if the reinforcing plate of each driven unit is provided with the guide blocks, the bottom plate is correspondingly provided with the slideways with the number equal to that of the driven units, and the distance between every two adjacent slideways is short, so that the structural rigidity of the bottom plate is reduced. The first driven unit and the second driven unit are arranged at intervals, and the slide ways are only required to be arranged at the positions corresponding to the guide blocks on the first driven unit, and the distance between every two adjacent slide ways is relatively long, so that the structural rigidity of the bottom plate can be ensured. In addition, the first driven units can slide back and forth along a straight line under the action of a sliding fit structure formed by the guide blocks and the slide ways, and each second driven unit can also keep sliding linearly under the limiting action of the front and rear first driven units which slide along the straight line.
The number of the guide blocks on each reinforcing plate of the first driven unit is two, and the two guide blocks are arranged at intervals. Because first driven unit has certain length, two guide blocks that the interval set up have the linear direction limiting displacement when first driven unit removes, guarantee that first driven unit makes a round trip to slide along the straight line.
In an embodiment of the invention, the mounting frame further includes a protective baffle for protecting the sliding guide rail, and the protective baffle is fixedly mounted on one side of the bottom plate.
In particular, the guard flap is located on the side of the sliding guide remote from the base plate. When the protection curtain is installed on the machine tool, one side of the protection curtain, which is provided with the protection baffle, is located on the upper side of the main shaft of the machine tool, namely, above the mounting hole of the driving curtain plate, and the protection baffle has a blocking effect due to the fact that splashed fragments fall down from top to bottom, so that the protection curtain can be protected, and the problem can be effectively avoided.
The invention also provides a machine tool which comprises the protective curtain.
The invention has the beneficial effects that: the invention provides a protective curtain and a machine tool, wherein movable components such as a machine tool spindle and the like are arranged in an installation hole of a driving curtain plate, the spindle can be linked with the driving curtain plate to move along an installation frame body when moving, two ends of a driven curtain plate are respectively in sliding fit with the driving curtain plate and the fixed curtain plate, when the driving curtain plate moves, the driving curtain plate can drive the driven curtain plate to slide relative to the fixed curtain plate and the driving curtain plate, due to the staggered arrangement between the driving curtain plate and the driven curtain plate and the staggered arrangement between the driven curtain plate and the fixed curtain plate, a telescopic structure can be formed when the driving curtain plate and the driven curtain plate slide relative to each other, the telescopic structure can be formed when the driven curtain plate and the fixed curtain plate slide relative to each other, the protective curtain can effectively meet the protective wrinkle requirement of the machine tool spindle in the moving and processing process, and the protective curtain is free from damage caused by clamping chips and the like. In addition, the driving curtain plate and the driven curtain plate are provided with two sliding fit structures when moving, one is the sliding fit structure of the driving curtain plate and the driven curtain plate and the installation frame body respectively, the other is the sliding fit structure formed among the driving curtain plate, the driven curtain plate and the fixed curtain plate, and the moving is stable and smooth.
Drawings
FIG. 1 is a schematic front view of a protective curtain according to an embodiment of the present invention;
FIG. 2 is a schematic view of the back structure of the protective curtain according to the embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an exploded view of a protective curtain according to an embodiment of the present invention;
FIG. 5 is a partial enlarged view at B in FIG. 4;
FIG. 6 is a partial block diagram of a protective curtain in accordance with an embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at C;
FIG. 8 is a partial cross-sectional view of a protective curtain of an embodiment of the present invention;
FIG. 9 is a schematic structural view of a guide post according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a first driven unit of the embodiment of the present invention;
fig. 11 is a schematic structural view of a second driven unit of the embodiment of the present invention;
FIG. 12 is a length comparison view of a driving shutter slat, a driven unit, and a fixed shutter slat of an embodiment of the present invention.
The figures are numbered: 1. installing a frame body; 2. an active curtain plate; 3. fixing the curtain board; 4. a driven curtain plate; 5. a chute; 6. a guide post; 7. a reinforcing plate; 8. bending the ear plate; 21. mounting holes; 11. a frame; 12. a sliding guide rail; 13. a base plate; 14. a sliding gap; 15. a protective baffle; 121. a guide rail unit; 122. deforming the gap; 41. a driven unit; 42. a first driven unit; 43. a second driven unit; 61. a rod portion; 62. a head portion; 63. teeth; 64. a groove; 131. a slideway; 71. a guide block; the arrow indicates the moving direction of the driving curtain plate and the driven curtain plate.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.
Referring to fig. 1, a protective curtain according to an embodiment of the present invention includes a mounting frame 1, a driving curtain plate 2, a fixed curtain plate 3, and a driven curtain plate 4. Wherein, the driving curtain board 2, the driven curtain board 4 and the fixed curtain board 3 are all arranged in a staggered way so as to protect the contraction of the curtain. The driving curtain plate 2 is provided with a mounting hole 21 for mounting movable components such as a machine tool spindle and the like.
Wherein, the driving curtain board 2, the fixed curtain board 3 and the driven curtain board 4 are all made of stainless steel plates, and the structural strength is high.
Referring to fig. 1, 2, 4 and 8, the mounting frame 1 includes a bottom plate 13, a frame 11, a slide rail 12 and a guard fence 15. The frame 11 is a square frame, and the bottom plate 13 and the frame 11 are of an integrally formed structure and have good integrity. The slide rail 12 is fixedly mounted on the frame 11 with a space, i.e. a slide gap 14, between the base plate 13 and the slide rail 12. The driving curtain plate 2 and the driven curtain plate 4 are both provided with bending lug plates 8, the bending lug plates 8 extend into the sliding gap 14 and slide in cooperation with the sliding guide rail 12, and the two sides of the bending lug plates 8 are not easy to separate under the limiting action of the bottom plate 13 and the sliding guide rail 12. The protective baffle 15 is fixedly arranged on one side of the bottom plate 13, so that splashed fragments can be prevented from falling into the sliding gap 14 of the protective curtain, and the telescopic sliding of the protective curtain is ensured to be stable and smooth.
The quantity of sliding guide 12 is two, and two sliding guide 12 are installed respectively in the both sides of frame 11, and the both sides of initiative curtain board 2 and the both sides of every driven curtain board 4 all are equipped with one and buckle otic placode 8, and the otic placode 8 of buckling of initiative curtain board 2 and driven curtain board 4 both sides leads with two sliding guide 12 cooperations respectively, and the sliding fit structure is more stable, can guarantee the straight line slip of initiative curtain board 2 and driven curtain board 4.
The sliding guide rail 12 is a square guide rail, the bent ear plate 8 is matched with the side wall of the driving curtain plate 2 or the side wall of the driven curtain plate 4 to form a right angle, and the bent ear plate 8 abuts against the square guide rail to slide, so that the driving curtain plate 2 and the driven curtain plate 4 slide back and forth along the sliding guide rail 12.
The number of the fixed curtain plates 3 and the driven curtain plates 4 is two, the number of the driving curtain plates 2 is one, and the driven curtain plates 4 and the fixed curtain plates 3 are arranged on the driving curtain plates 2 in two moving directions. The fixed curtain 3 is fixed to the frame 11 by a connecting member such as a bolt. Each driven curtain plate 4 comprises four driven units 41 which are sequentially arranged in a staggered manner, and a small gap is reserved between every two adjacent driven units 41, so that the driven units 41 can be mutually driven when sliding. Alternatively, the gap between two adjacent driven units 41 may be in the order of a filament. Each driven unit 41 is provided with a bent ear plate 8.
Referring to fig. 3, 4 and 6, each driven unit 41 is provided with a sliding slot 5 and a guiding post 6, the fixed curtain 3 is provided with a guiding post 6, the driving curtain 2 is provided with a sliding slot 5, the sliding slot 5 of the driving curtain 2 is in sliding fit with the guiding post 6 of one of the driven units 41, the guiding post 6 of the fixed curtain 3 is in sliding fit with the sliding slot 5 of one of the driven units 41, and the four driven units 41 are in sequential sliding fit with each other through the sliding slot 5 and the guiding post 6.
Referring to fig. 8, 10 and 11, the driving curtain plate 2, each driven unit 41 and the fixed curtain plate 3 are further fixedly provided with a reinforcing plate 7, and the driving curtain plate 2 and the reinforcing plate 7 of each driven unit 41 are provided with a slot hole matched with the sliding slot 5. Set up reinforcing plate 7 and can strengthen initiative curtain 2, the thickness of fitting surface between every driven unit 41 and the fixed curtain 3, with the increase structural strength, especially can effectively avoid leading to the problem that structural strength weakens because of having seted up spout 5 on initiative curtain 2 and the driven unit 41, can also increase the degree of depth of spout 5 and the mounting structure intensity of guide post 6, guide post 6 can stretch into spout 5 more deeply, with avoid long-time after using because of taking place wearing and tearing lead to guide post 6 to deviate from spout 5. In addition, the sliding grooves 5 are arranged at the folding positions of the driving curtain board 2, the driven unit 41 and the fixed curtain board 3, and the reinforcing boards 7 are arranged at the folding positions, so that the whole weight of the protective curtain can be relatively light under the condition of ensuring the structural strength of the protective curtain.
Referring to fig. 2, 3 and 7, two enhanced plates of the four driven units 41 have guide blocks 71, which are the first driven units 42; the other two reinforcing plates 7 do not have the guide blocks 71 and are the second driven units 43. The bottom plate 13 is provided with a slide rail 131, and the guide block 71 extends into the slide rail 131 and slides back and forth in the slide rail 131.
The first driven unit 42 and the second driven unit 43 are arranged at intervals. Since the driven units 41 are arranged in staggered layers, if the reinforcing plate 7 of each driven unit 41 is provided with the guide blocks 71, the bottom plate 13 is correspondingly provided with the same number of slide ways 131 as the driven units 41, and the distance between two adjacent slide ways 131 is short, which reduces the structural rigidity of the bottom plate 13. The first driven unit 42 and the second driven unit 43 are arranged at intervals, and only the slide rails 131 are arranged at positions corresponding to the guide blocks 71 on the first driven unit 42, and the distance between every two adjacent slide rails 131 is relatively long, so that the structural rigidity of the bottom plate 13 can be ensured. In addition, since the first driven units 42 can slide back and forth along a straight line by the sliding fit structure formed by the guide blocks 71 and the slide rails 131, each second driven unit 43 can maintain the straight line sliding under the restriction of the front and rear first driven units 42 which slide along a straight line.
The number of the guide blocks 71 on each reinforcing plate 7 of the first driven unit 42 is two, and the two guide blocks 71 are disposed at intervals. Because the first driven unit 42 has a certain length, the two guide blocks 71 arranged at intervals have a linear guide limiting effect when the first driven unit 42 moves, and the first driven unit 42 is ensured to slide back and forth along a straight line.
Referring to fig. 9, 10 and 11, the guide post 6 includes a shaft portion 61 and a head portion 62 connected to each other, and a plurality of teeth 63 for being fitted are provided on an end surface of the head portion 62 facing the shaft portion 61. Through the setting of tooth 63, tooth 63 can imbed the surface of initiative curtain board 2 or driven curtain board 4 in the guide post 6 assembling process, reaches the effect of blocking, makes guide post 6 firmly fix on the surface of initiative curtain board 2 or driven curtain board 4, has fine locking function, long service life. Wherein, a plurality of teeth 63 are symmetrically distributed or annularly and uniformly distributed on the periphery of the connecting position of the rod part 61 and the head part 62, and the anti-loosening effect is good.
The teeth 63 are perpendicular to the end face of the head 62, and when the teeth 63 are embedded into the surface of the driving curtain board 2 or the driven curtain board 4, the positioning effect is good, and the looseness is not easy to occur. Specifically, the guide post 6 may be a clinch bolt.
Optionally, the groove 64 on the head 62 is used for positioning an external punching tool, the groove 64 is a regular hexagon groove 64, and when the punching tool is inserted into the groove 64 to press the guide post 6 into the surface of the driving curtain plate 2 or the driven curtain plate 4, the punching tool is not easy to rotate, so that the deformation of the teeth 63 is avoided, and the assembly effect of the guide post 6 is not affected. However, the head 62 may not be provided with the groove 64, and the shape of the head 62 may be adapted to the punching tool, which is not particularly limited in the embodiment of the present invention.
Referring to fig. 12, the lengths, widths, and heights of the driving curtain plate 2, the driven unit 41, and the fixed curtain plate 3, which are sequentially arranged, are all decreasing, when the protection curtain is in a retracted state, the driving curtain plate 2 can completely cover the driven curtain plate 4 and the fixed curtain plate 3, and the volume of the telescopic side of the protection curtain is minimum, so that the protection curtain has a longer stroke length.
Optionally, soft edge sealing strips (not shown) are arranged between the driving curtain plate 2 and the driven curtain plate 4, between the driven units 41 of the driven curtain plate 4 and between the driven curtain plate 4 and the fixed curtain plate 3 to increase the sealing performance between the curtain plates and reduce the noise of the protective curtain during back and forth sliding. Optionally, the soft edge banding may be made of rubber, silica gel, pvc, or the like.
Referring to fig. 4 and 5, each of the sliding guide rails 12 includes four guide rail units 121, and two adjacent guide rail units 121 are disposed with a space therebetween to form a deformation gap 122. Along with long-time use, the protection curtain can change the amount of deflection of the sliding guide rail 12 in the process of constantly moving back and forth, namely the sliding guide rail 12 can be bent and deformed, the sliding guide rail 12 is arranged into four guide rail units 121 arranged at intervals, and the deformation gap 122 between every two adjacent guide rail units 121 can meet the deformation space, so that the deformation problem of the sliding guide rail 12 is effectively improved. In addition, the guide rail unit 121 can play a role of a sizing block, has a shock absorption function, and can be used for a machine tool to attenuate the vibration of the machine tool and reduce the vibration force from transmitting outwards.
The invention also provides a machine tool, which comprises the protective curtain, as shown in figures 1-12, the protective curtain is stable and smooth in movement and high in structural strength, and can effectively protect components such as a hard guide rail, a linear guide rail, a ball screw or a transmission rack in the machine tool.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (6)
1. A protective curtain, comprising:
installing a frame body;
the driving curtain plate is in sliding fit with the mounting frame body along the moving direction;
the fixed curtain plate is fixedly assembled with the installation frame body; and
the driven curtain plate is in sliding fit with the installation frame body along the moving direction, the first end of the driven curtain plate is in sliding fit with the driving curtain plate along the moving direction, and the second end of the driven curtain plate is in sliding fit with the fixed curtain plate along the moving direction;
the driving curtain board and the driven curtain board are arranged in a staggered mode, and the driven curtain board and the fixed curtain board are arranged in a staggered mode;
the mounting frame body comprises a frame and a sliding guide rail, the sliding guide rail is fixedly mounted on the frame, the driving curtain plate and the driven curtain plate are respectively provided with a bending lug plate, and the bending lug plates are in sliding fit with the sliding guide rail;
the driven curtain board comprises a plurality of driven units which are in sliding fit in sequence along the moving direction, and the driven units are arranged in a staggered mode in sequence; the driving curtain plate and the driven units are provided with sliding chutes respectively, and the fixed curtain plate and the driven units are provided with guide posts in sliding fit with the sliding chutes respectively;
the driving curtain plate, the driven units and the fixed curtain plate are also fixedly provided with reinforcing plates, the mounting frame body comprises a bottom plate, and the bottom plate is provided with a slide way; part of the reinforcing plates of the driven units are provided with guide blocks, and the guide blocks extend into the slide ways and are in sliding fit with the slide ways;
the driven unit with the guide block of the reinforcing plate is a first driven unit, the driven unit without the guide block of the reinforcing plate is a second driven unit, and the first driven unit and the second driven unit are arranged at intervals.
2. The protective curtain of claim 1, wherein the sliding slot of the driving curtain plate is slidably engaged with the guide post of one of the driven units, the guide post of the fixed curtain plate is slidably engaged with the sliding slot of one of the driven units, and the plurality of driven units are sequentially slidably engaged with each other through the sliding slot and the guide post.
3. The protective curtain of claim 2 wherein said guide post comprises a stem portion and a head portion connected thereto, said head portion having a plurality of teeth on an end surface thereof facing said stem portion for engagement during installation;
the teeth are perpendicular to the end face of the head, and the head is provided with a regular polygonal groove.
4. The protective curtain of claim 3 wherein said driving curtain plate and said plurality of reinforcing plates of said driven units have slotted holes adapted to said sliding slots.
5. The protective curtain of claim 4, wherein the mounting frame further comprises a protective shield for protecting the sliding guide, the protective shield being fixedly mounted to one side of the base plate.
6. A machine tool comprising a protective curtain as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241528.8A CN112828670B (en) | 2021-03-04 | 2021-03-04 | Protective curtain and lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241528.8A CN112828670B (en) | 2021-03-04 | 2021-03-04 | Protective curtain and lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112828670A CN112828670A (en) | 2021-05-25 |
| CN112828670B true CN112828670B (en) | 2022-08-09 |
Family
ID=75934572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110241528.8A Active CN112828670B (en) | 2021-03-04 | 2021-03-04 | Protective curtain and lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112828670B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201711550U (en) * | 2010-07-22 | 2011-01-19 | 富阳孙氏机床有限公司 | Protection plate structure of turning machine |
| CN210615967U (en) * | 2019-07-08 | 2020-05-26 | 宁波海天精工股份有限公司 | Automatic lifting type protective curtain device |
| CN111660020A (en) * | 2020-07-01 | 2020-09-15 | 山东镭鸣数控激光装备有限公司 | Lifting door and machine tool shield |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU657852B2 (en) * | 1992-04-10 | 1995-03-23 | Emag Holding Gmbh | Machining centre constructed from assemblies |
| CN2269267Y (en) * | 1996-05-29 | 1997-12-03 | 蚌埠市家用机床厂 | Protective cover for longitudinal feeding screw of machine tool |
| JP3326115B2 (en) * | 1998-07-24 | 2002-09-17 | 榎本工業株式会社 | Y-axis slide cover for machine tools |
| US7172375B2 (en) * | 2005-06-23 | 2007-02-06 | Mori Seiki Co., Ltd. | Machine tool |
| CN103481115B (en) * | 2013-09-29 | 2016-02-03 | 三一集团有限公司上海分公司 | A kind of anti-bits protective cover and machining center |
| JP6604592B2 (en) * | 2015-10-01 | 2019-11-13 | エンシュウ株式会社 | Machine Tools |
| CN106078345A (en) * | 2016-08-22 | 2016-11-09 | 张民胜 | A kind of guide rail protective cover of Digit Control Machine Tool |
| CN208949351U (en) * | 2018-11-01 | 2019-06-07 | 洛阳升华感应加热股份有限公司 | A kind of vertical change shifting quenching machine cutting means enclosure |
| CN110170879A (en) * | 2019-07-12 | 2019-08-27 | 重庆宇辰机械设备有限公司 | A kind of vertical machining centre with scrap safeguard function |
-
2021
- 2021-03-04 CN CN202110241528.8A patent/CN112828670B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201711550U (en) * | 2010-07-22 | 2011-01-19 | 富阳孙氏机床有限公司 | Protection plate structure of turning machine |
| CN210615967U (en) * | 2019-07-08 | 2020-05-26 | 宁波海天精工股份有限公司 | Automatic lifting type protective curtain device |
| CN111660020A (en) * | 2020-07-01 | 2020-09-15 | 山东镭鸣数控激光装备有限公司 | Lifting door and machine tool shield |
Non-Patent Citations (1)
| Title |
|---|
| 高速机床导轨防护罩的支撑导向装置设计;黄刚强;《制造技术与机床》;20091102(第11期);121 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112828670A (en) | 2021-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0731283B1 (en) | Track rail unit comprising a top cover | |
| DE4311641C1 (en) | Linear motion guide for machinery - has spring belt cover over whole guide top surface locating in recesses in guide sides | |
| DE69819596T2 (en) | linear actuator | |
| DE112007000624T5 (en) | Core fastener and its construction | |
| DE10130486A1 (en) | glass guide | |
| DE202007010339U1 (en) | Holding device for rolling elements | |
| US5807043A (en) | Interlocking machine tool way cover | |
| DE102016015656B4 (en) | VIBRATION TILER WITH FALL PROTECTION | |
| DE202015101755U1 (en) | Flexible luminaire arrangement for curved coves | |
| CN112828670B (en) | Protective curtain and lathe | |
| DE102010064156A1 (en) | Wiper device, in particular motor vehicle windshield wiper device | |
| DE102014211848A1 (en) | Photoelectric sensor with multiple optical axes | |
| CN218110146U (en) | Protective curtain and lathe | |
| DE102016123281A1 (en) | Slat cover and lamella / spring element | |
| EP1762334B1 (en) | Protecting device for a machine tool | |
| US6260438B1 (en) | Protective cover which can be attached to a machining part which is mobile at least according to a plane | |
| DE102019111292A1 (en) | Guide rail for a pull-out slide | |
| EP0502328B1 (en) | Scraper device for telescopic coverings | |
| DE102008012985B4 (en) | scraper | |
| JP5725618B2 (en) | Extension protection device and installation structure of the extension protection device | |
| EP2301385B1 (en) | Furniture drive | |
| DE4334776C2 (en) | Linear guide device with sliding seal | |
| JP4833013B2 (en) | Extension protection device and installation structure of the extension protection device | |
| DE102006016946B4 (en) | Linear guide device | |
| DE102017116843B4 (en) | Ball screw provided with a dust cover assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |