A linear slide with buffering function

Abstract

The present invention relates to a linear slide, and in particular to a linear slide with a buffering function. The present invention provides a linear slide with a buffering function. The present invention includes a linear guide, a slider and a base, wherein a cavity is provided inside the slider, and the base has two and is provided at both ends of the linear guide. The slider is provided with a brake assembly, and the brake assembly includes a brake pad, which is slidably inserted into the slider, and the brake pads are provided in pairs, and the brake pads are in contact and frictionally engaged with the linear guide. When the slider collides with the base, the airbag is compressed to extend the piston of the piston rod, and then the extrusion block is rotated around the rotating axis through the connecting rod and squeezes the brake pad. The brake pad approaches the linear guide and is gradually pressed until the slider stops. On the one hand, it avoids unstable shaking of the slider after collision, and on the other hand, it avoids secondary damage after the collision.

Description

Technical Field

[0001] The invention relates to a linear slide rail, in particular to a linear slide rail with a buffering function. Background Art

[0002] As a core component of equipment, linear guides provide guidance and support. To ensure high machining accuracy, linear guides require high guidance precision and excellent motion smoothness. Linear guides are widely used in a wide range of technical applications, such as precision measuring instruments, CNC processing machines, robotic arms, medical equipment, construction equipment, and automation equipment. They are also widely used in linear motion components in automation equipment, construction equipment, and precision machinery.

[0003] When linear guides are used in different fields, the sliders on them will carry objects of different weights to slide at different speeds. In kinematics, the inertia of an object's movement is related to its mass and speed. Therefore, the heavier the object carried by the slider and the faster the speed, the more serious the impact of inertia it will be. The sliders on linear guides mostly need to move back and forth, as shown in the attached manual. Figure 1 When the base 3 and slider 2 at both ends of the linear guide rail 1 slide back and forth, if the mass of the object above is large and the sliding speed is fast, the slider 2 may not be able to stop in time due to inertia and may collide with the base 3 at both ends, thereby causing damage to the device. Summary of the Invention

[0004] In order to overcome the disadvantage of existing linear guide rails that when the slider is greatly affected by inertia and cannot stop in time, it is easy to collide with the device and cause damage, the technical problem to be solved is: to provide a linear guide rail with a buffering function.

[0005] The technical solution of the present invention is: a linear slide rail with a buffering function, comprising a linear guide rail, a slider and a base, a cavity being provided inside the slider, two bases being provided and being arranged at both ends of the linear guide rail, a brake assembly being provided on the slider, the brake assembly comprising a brake pad, the brake pad being slidably passed through the slider, the brake pads being arranged in pairs, the brake pads being in contact and frictionally engaged with the linear guide rail, and a second spring being connected between the brake pad and the linear guide rail.

[0006] As a preferred technical solution of the present invention, the brake assembly also includes an extrusion block, which is rotatably connected to the inside of the slider, and the extrusion block is extruded and matched with the brake pad. One end of the extrusion block is rotatably connected to a connecting rod, and the slider is provided with connecting frames on both sides facing the base, and the connecting frame is connected to an airbag on the back side, and the airbag is connected to an extrusion frame on the back side, and the extrusion frame collides and extrudes with the base, and a first spring is connected between the extrusion frame and the connecting frame on the same side, and a piston rod is provided on the opposite side of the connecting frame, and the piston rod is connected to the airbag, and the piston of the piston rod is rotatably connected to the adjacent connecting rod.

[0007] As a preferred technical solution of the present invention, it also includes a uniform oiling component, which includes a guide frame, the guide frame is connected to the top of the slider, the guide frame is slidably provided with a sliding frame, the guide frame is connected to an oil barrel, the bottom of the oil barrel is slidably connected to a temporary oil storage bin, a sponge block is passed through the side wall of the temporary oil storage bin, the sponge block is blocked by the inner wall of the bottom of the oil barrel, the temporary oil storage bin is connected to the sliding frame, the slider is located below the temporary oil storage bin and has a circular hole that directly passes through the surface of the linear guide rail, and the lubricating oil in the temporary oil storage bin flows through the sponge block into the circular hole to the surface of the linear guide rail.

[0008] As a preferred technical solution of the present invention, a baffle is provided circumferentially on the top of the circular hole, and the baffle is higher than the sponge block.

[0009] As a preferred technical solution of the present invention, the uniform oiling assembly also includes a protective cover, which is slidably arranged on the top of the slider, and the slider is located below the protective cover and has a square bin. The sliding frame slides through the protective cover, and a squeezing ball is slidably arranged in the square bin. A third spring is connected between the squeezing ball and the inner side wall of the square bin, and the squeezing ball is in contact with the sliding frame.

[0010] As a preferred technical solution of the present invention, a top block is slidingly provided on the upper surface of the linear guide rail, a fourth spring is connected between the top block and the linear guide rail, the top block is extruded and fitted with the extrusion ball, the extrusion frame, the airbag, the connecting frame and the slider are all provided with a channel for the top block to pass through, and the distance from the axis of the top block to the base is less than or equal to the distance from the cross-section of the extrusion ball to the base.

[0011] As a preferred technical solution of the present invention, it also includes a buffer assembly, which includes a telescopic motherboard, a telescopic sub-plate, a spring and a fifth spring. The telescopic motherboard is symmetrically hinged on the extrusion frame, and the telescopic sub-plate is symmetrically slidably arranged at the opposite ends of the two telescopic motherboards. The two telescopic sub-plates are connected, the spring is arranged between the telescopic motherboard and the extrusion frame, and the fifth spring is arranged between the telescopic sub-plate and the telescopic motherboard.

[0012] As a preferred technical solution of the present invention, a first support block is symmetrically provided on the protective cover, an optical signal transmitter is provided on the back side of the first support block, a second support block and a display screen are provided on the base, an optical signal receiver is provided on the second support block, the optical signal receiver is inductively matched with the optical signal transmitter on the same side, and the optical signal receiver is electrically connected to the display screen on the same side.

[0013] As a preferred technical solution of the present invention, the elastic coefficient of the third spring is smaller than that of the fourth spring.

[0014] Beneficial effects: 1. When the slider collides with the base, the airbag is compressed to extend the piston of the piston rod, and then the extrusion block rotates around the rotating axis through the connecting rod and squeezes the brake pad. The brake pad approaches the linear guide rail and is gradually tightened until the slider stops. On the one hand, it avoids unstable shaking of the slider after collision, and on the other hand, it avoids secondary damage after the collision.

[0015] 2. Through the cooperation between the top block and the extrusion ball, and the intermittent up and down sliding of the sliding frame, the sponge block intermittently flows out a small amount of lubricating oil due to the penetration effect, thereby maintaining the lubrication effect between the slider and the linear guide. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 2 It is a partial three-dimensional structural schematic diagram of the present invention.

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the brake assembly of the present invention.

[0019] Figure 4 It is a partial exploded view of the brake assembly of the present invention.

[0020] Figure 5 It is a partial cross-sectional view of the present invention.

[0021] Figure 6 It is a partial three-dimensional structural schematic diagram of the uniform oiling component of the present invention.

[0022] Figure 7It is a schematic diagram of the three-dimensional structure of the buffer assembly of the present invention.

[0023] Figure 8 It is a partial cross-sectional view of the buffer assembly of the present invention.

[0024] Figure 9 It is a partial cross-sectional view of the synchronous belt linear guide rail of the present invention.

[0025] Marked in the figure: 1- linear guide, 2- slider, 3- base, 4- brake assembly, 41- extrusion frame, 42- airbag, 43- connecting frame, 44- first spring, 45- piston rod, 46- brake pad, 47- second spring, 48- connecting rod, 49- extrusion block, 410- rotating shaft, 5- uniform oiling assembly, 51- protective cover, 52- extrusion ball, 53- third spring, 54- sliding frame, 55- guide frame, 56- oil barrel, 57- barrel cover, 58- temporary oil storage tank, 59- sponge block, 510- baffle, 511- top block, 5110- channel, 512- fourth spring, 6- buffer assembly, 61- telescopic motherboard, 62- telescopic sub-board, 63- shrapnel, 64- fifth spring, 71- first support block, 72- optical signal transmitter, 73- second support block, 74- optical signal receiver, 75- display screen. DETAILED DESCRIPTION

[0026] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments, but this does not limit the scope of protection and application of the present invention.

[0027] Example 1

[0028] A linear slide with a buffer function, such as Figure 1 、 Figure 3 and Figure 4 As shown, it includes a linear guide 1, a slider 2 and a base 3. A cavity is provided inside the slider 2. There are two bases 3 and they are arranged at both ends of the linear guide 1. A brake assembly 4 is provided on the slider 2. The brake assembly 4 includes four brake pads 46. The brake pads 46 are slidably passed through the slider 2. The brake pads 46 are arranged in pairs. The brake pads 46 are in contact and friction fit with the linear guide 1. A second spring 47 is connected between the brake pads 46 and the linear guide 1.

[0029] like Figure 3 and Figure 4As shown, the brake assembly 4 also includes four extrusion blocks 49, which are rotatably connected to the inside of the slider 2 through a rotating shaft 410. The extrusion blocks 49 are extruded and fitted with the brake pads 46. One end of the extrusion blocks 49 is rotatably connected to a connecting rod 48. Connecting frames 43 are provided on both sides of the slider 2 facing the base 3. The connecting frames 43 are connected to an air bag 42 on the back side, and the air bag 42 is connected to an extrusion frame 41 on the back side. The extrusion frame 41 collides and is extruded and fitted with the base 3. A first spring 44 is connected between the extrusion frame 41 and the connecting frame 43 on the same side. A piston rod 45 is provided on the opposite side of the connecting frame 43. The piston rod 45 is communicated with the air bag 42, and the piston of the piston rod 45 is rotatably connected to the adjacent connecting rod 48.

[0030] When the slider 2 moves back and forth on the linear guide 1, if the load on the slider 2 is heavy, the slider 2 will be seriously affected by inertia. When the slider 2 slides to the base 3, it will collide with the base 3, and the air bag 42 will be squeezed by the extrusion frame 41. The air bag 42 is compressed to extend the piston of the piston rod 45, and then the extrusion block 49 is rotated around the rotating shaft 410 through the connecting rod 48 and squeezes the brake pad 46. The brake pad 46 approaches the linear guide 1 and is gradually tightened until the slider 2 stops.

[0031] like Figure 5 and Figure 6 As shown, it also includes a uniform oiling component 5, which includes a guide frame 55, which is connected to the top of the slider 2, and a sliding frame 54 is slidably provided on the guide frame 55, and an oil barrel 56 is connected to the guide frame 55. A barrel cover 57 is threadedly connected to the top of the oil barrel 56, and a temporary oil storage bin 58 is slidably connected to the bottom of the oil barrel 56. A sponge block 59 is passed through the side wall of the temporary oil storage bin 58, and the sponge block 59 is blocked by the inner wall of the bottom of the oil barrel 56. The temporary oil storage bin 58 is connected to the sliding frame 54, and the slider 2 is located below the temporary oil storage bin 58. A circular hole that passes directly through the surface of the linear guide rail 1 is opened, and the lubricating oil in the temporary oil storage bin 58 flows into the circular hole through the sponge block 59 to the surface of the linear guide rail 1.

[0032] The elastic coefficient of the third spring 53 is smaller than that of the fourth spring 512 .

[0033] The uniform oiling assembly 5 also includes a protective cover 51, which is slidably arranged on the top of the slider 2. The slider 2 has a square bin located below the protective cover 51. The sliding frame 54 slides through the protective cover 51. A squeezing ball 52 is slidably arranged in the square bin. Two third springs 53 are connected between the squeezing ball 52 and the inner side wall of the square bin. The squeezing ball 52 is in contact with the sliding frame 54.

[0034] A baffle 510 is provided circumferentially around the top of the circular hole, and the baffle 510 is higher than the sponge block 59 .

[0035] like Figure 9As shown, a top block 511 is slidingly provided on the upper surface of the linear guide rail 1, and a fourth spring 512 is connected between the top block 511 and the linear guide rail 1. The top block 511 is squeezed into fit with the extrusion ball 52, and the extrusion frame 41, the airbag 42, the connecting frame 43 and the slider 2 are all provided with a channel 5110 for the top block 511 to pass through. The distance from the axis of the top block 511 to the base 3 is less than or equal to the distance from the cross-section of the extrusion ball 52 to the base 3.

[0036] When the slider 2 approaches the base 3, the top block 511 contacts and squeezes the squeezing ball 52, and the squeezing ball 52 is displaced and no longer blocks the sliding frame 54. The third spring 53 is deformed, and the sliding frame 54 drops under the action of gravity. The bottom of the oil barrel 56 no longer blocks the sponge block 59, and the sponge block 59 relaxes and bulges. The lubricating oil in the oil barrel 56 flows out through the sponge block 59 due to osmosis and flows along the circular hole onto the linear guide 1. When the third spring 53 is deformed to the limit, the squeezing ball 52 begins to press the top block 511 downward, and the fourth spring 512 is deformed. Then the squeezing ball 52 will pass over the top block 511, and then the fourth spring 512 is deformed. After passing over, the third spring 53 is reset, driving the squeezing ball 52 to reset and then squeeze the sliding frame 54 upward. The bottom of the oil barrel 56 squeezes the sponge block 59 in again and blocks it, so that the lubricating oil no longer flows out.

[0037] like Figure 7 and Figure 8 As shown, it also includes a buffer assembly 6, which includes a telescopic motherboard 61, a telescopic sub-plate 62, a spring 63 and a fifth spring 64. The telescopic motherboard 61 is symmetrically hinged on the extrusion frame 41, and the telescopic sub-plate 62 is symmetrically slidably arranged at the opposite ends of the two telescopic motherboards 61. The two telescopic sub-plates 62 are connected, the spring 63 is arranged between the telescopic motherboard 61 and the extrusion frame 41, and the fifth spring 64 is arranged between the telescopic sub-plate 62 and the telescopic motherboard 61.

[0038] When the slider 2 collides with the base 3, the telescopic sub-plate 62 is squeezed into the telescopic mother plate 61 where it is located, the fifth spring 64 is deformed, and the telescopic mother plate 61 is also squeezed and rotated, thereby deforming the spring piece 63. The fifth spring 64 and the spring piece 63 have a buffering effect on the collision between the slider 2 and the base 3.

[0039] like Figure 1 and Figure 2 As shown, the protective cover 51 is symmetrically provided with a first support block 71, and an optical signal transmitter 72 is provided on the side facing away from the first support block 71. The base 3 is provided with a second support block 73 and a display screen 75. The second support block 73 is provided with an optical signal receiver 74. The optical signal receiver 74 is inductively matched with the optical signal transmitter 72 on the same side, and the optical signal receiver 74 is electrically connected to the display screen 75 on the same side.

[0040] During the sliding process of the slider 2, the optical signal transmitter 72, the optical signal receiver 74 and the display screen 75 are always in the on state. Through the photoelectric sensing between the optical signal transmitter 72 and the optical signal receiver 74, the display screen 75 can display the distance between the slider 2 and the base 3 in real time.

[0041] It should be understood that this embodiment is only used to illustrate the present invention and is not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall equally within the scope limited by the appended claims of the application.

Claims

1. A linear slide rail with a buffering function, characterized in that: The invention comprises a linear guide rail (1), a slider (2) and a base (3), wherein a cavity is provided inside the slider (2), the base (3) has two and is provided at both ends of the linear guide rail (1), the slider (2) is provided with a brake assembly (4), the brake assembly (4) comprises a brake pad (46), the brake pad (46) is slidably inserted into the slider (2), the brake pads (46) are provided in pairs, the brake pads (46) are in contact and frictional engagement with the linear guide rail (1), and a second spring (47) is connected between the brake pad (46) and the linear guide rail (1); The brake assembly (4) also includes an extrusion block (49), which is rotatably connected to the inside of the slider (2), and the extrusion block (49) is extruded and matched with the brake pad (46). One end of the extrusion block (49) is rotatably connected to a connecting rod (48). The slider (2) is provided with connecting frames (43) on both sides facing the base (3). The connecting frame (43) is connected to an air bag (42) on the back side, and the air bag (42) is connected to an extrusion frame (41) on the back side. The extrusion frame (41) collides and is extruded with the base (3). A first spring (44) is connected between the extrusion frame (41) and the connecting frame (43) on the same side. A piston rod (45) is provided on the opposite side of the connecting frame (43), and the piston rod (45) is connected to the air bag (42). The piston of the piston rod (45) is rotatably connected to the adjacent connecting rod (48).

2. A linear slide rail with a buffering function according to claim 1, characterized in that: The invention also includes a uniform oiling component (5), wherein the uniform oiling component (5) includes a guide frame (55), the guide frame (55) is connected to the top of the slider (2), a sliding frame (54) is slidably provided on the guide frame (55), an oil barrel (56) is connected to the guide frame (55), and the bottom of the oil barrel (56) is slidably connected to a temporary oil storage bin (58), a sponge block (59) is passed through the side wall of the temporary oil storage bin (58), the sponge block (59) is blocked by the inner wall of the bottom of the oil barrel (56), the temporary oil storage bin (58) is connected to the sliding frame (54), and a circular hole directly connected to the surface of the linear guide rail (1) is opened at a position below the temporary oil storage bin (58) of the slider (2), and the lubricating oil in the temporary oil storage bin (58) flows into the circular hole through the sponge block (59) until it reaches the surface of the linear guide rail (1).

3. A linear slide rail with a buffering function as claimed in claim 2, characterized in that: A baffle (510) is provided circumferentially on the top of the circular hole, and the baffle (510) is higher than the sponge block (59).

4. A linear slide rail with a buffering function as claimed in claim 3, characterized in that: The uniform oiling assembly (5) further comprises a protective cover (51), the protective cover (51) being slidably arranged on the top of the slider (2), the slider (2) being provided with a square bin at a position below the protective cover (51), the sliding frame (54) slidingly passing through the protective cover (51), a squeezing ball (52) being slidably arranged in the square bin, a third spring (53) being connected between the squeezing ball (52) and the inner side wall of the square bin, and the squeezing ball (52) being in contact with the sliding frame (54).

5. The linear slide rail with a buffering function according to claim 4, characterized in that: A top block (511) is slidingly provided on the upper surface of the linear guide rail (1), a fourth spring (512) is connected between the top block (511) and the linear guide rail (1), the top block (511) is squeezed and matched with the extrusion ball (52), the extrusion frame (41), the airbag (42), the connecting frame (43) and the slider (2) are all provided with a channel (5110) for the top block (511) to pass through, and the distance from the axis of the top block (511) to the base (3) is less than or equal to the distance from the cross section of the extrusion ball (52) to the base (3).

6. The linear slide rail with a buffering function according to claim 5, characterized in that: The invention also includes a buffer assembly (6), wherein the buffer assembly (6) includes a telescopic motherboard (61), a telescopic sub-board (62), a spring piece (63) and a fifth spring (64). The telescopic motherboard (61) is symmetrically hinged on the extrusion frame (41). The telescopic sub-board (62) is symmetrically slidably arranged at one end of the two telescopic motherboards (61) facing each other. The two telescopic sub-boards (62) are connected. The spring piece (63) is arranged between the telescopic motherboard (61) and the extrusion frame (41). The fifth spring (64) is arranged between the telescopic sub-board (62) and the telescopic motherboard (61).

7. The linear slide rail with a buffering function according to claim 6, characterized in that: A first support block (71) is symmetrically provided on the protective cover (51), and an optical signal transmitter (72) is provided on the side facing away from the first support block (71). A second support block (73) and a display screen (75) are provided on each of the bases (3), and an optical signal receiver (74) is provided on each of the second support blocks (73). The optical signal receiver (74) is inductively matched with the optical signal transmitter (72) on the same side, and the optical signal receiver (74) is electrically connected to the display screen (75) on the same side.

8. The linear slide rail with a buffering function according to claim 7, characterized in that: The elastic coefficient of the third spring (53) is smaller than that of the fourth spring (512).

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