Anti-falling structure of linear rolling guide rail

Abstract

The utility model discloses an anti-falling structure of a linear rolling guide rail, which relates to the technical field of linear rolling guide rails and comprises a mounting barrel and an extrusion component. A pressure sensor is mounted at the right end of the interior of the mounting barrel, a moving assembly is mounted at the right end of the mounting barrel, a fastening assembly and an adjusting assembly are mounted on the upper side of the moving assembly, the fastening assembly is matched with the adjusting assembly, and the pressure sensor is bidirectionally and electrically connected with an external PLC; the extrusion assembly comprises a fixing ring, a sliding rod, a damping disc, an extrusion disc, a spring and a connecting disc, the fixing ring is fixed to the left end of the interior of the mounting barrel, the sliding rod is slidably connected to the interior of the fixing ring, the damping disc is fixed to the right end of the sliding rod and slidably connected to the interior of the mounting barrel, and the extrusion disc is fixed to the right end of the damping disc. A connecting disc is fixed to the left end of the sliding rod, and the sliding block can be prevented from impacting a limiting block on the guide rail.

Description

TECHNICAL FIELD

[0001] The utility model relates to linear rolling guide rail technical field, concretely is the anti -drop structure of linear rolling guide rail. BACKGROUND

[0002] With the continuous development of modern manufacturing technology, the traditional manufacturing industry has undergone tremendous changes, numerical control technology, mechatronics and industrial robots have been more widely used in production. At the same time, the positioning accuracy, guiding accuracy and feeding speed of mechanical transmission mechanism are continuously improved, so that the traditional guiding mechanism has undergone major changes. Since 1973, the rolling linear guide has gradually replaced the traditional sliding linear guide due to its unique characteristics, and has been widely used in industrial production. It meets the requirements of high precision, high speed, energy saving and shortening of product development cycle for today's machinery, and has been widely used in various heavy combined machining machine tools, numerical control machine tools, high precision electric spark cutting machines, grinding machines, industrial robots and general industrial machinery.

[0003] The authorized announcement number CN 203516471 U discloses a rolling linear guide, which comprises a guide rail and a sliding block arranged on the guide rail and connected with the guide rail in sliding mode. The guide rail is provided with an anti-drop structure for preventing the sliding block from falling off the guide rail when the sliding block slides back and forth on the guide rail.

[0004] The above-mentioned scheme avoids the falling of the sliding block through the anti-drop frame, but in the long-term use process, the sliding block is difficult to avoid impacting the anti-drop frame on the guide rail, which causes the anti-drop frame to loosen, thereby causing the damage of the sliding block, even to the separation from the guide rail, and further affecting the use. Therefore, we propose the anti-drop structure of the linear rolling guide. Utility model content

[0005] The utility model solves the technical problem of overcoming the defects of the prior art, and provides the anti-drop structure of the linear rolling guide, which can avoid the impact of the sliding block on the limiting block of the guide rail, and effectively solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: the anti-drop structure of the linear rolling guide, which comprises a mounting barrel and an extrusion assembly.

[0007] The mounting barrel is internally provided with a pressure sensor at the right end, the right end of the mounting barrel is provided with a moving assembly, the upper side of the moving assembly is provided with a fastening assembly and an adjusting assembly, the fastening assembly and the adjusting assembly are matched, and the pressure sensor is bidirectionally electrically connected with an external PLC controller.

[0008] The extrusion assembly comprises a fixed ring, a sliding rod, a damping disc, an extrusion disc, a spring and a connecting disc, the left end in the installation barrel is fixedly provided with the fixed ring, the inside of the fixed ring is slidably connected with the sliding rod, the right end of the sliding rod is fixedly provided with the damping disc, the damping disc is slidably connected in the installation barrel, the right end of the damping disc is fixedly provided with the extrusion disc, the left end of the sliding rod is fixedly provided with the connecting disc, the circumference of the sliding rod is sleeved with the spring, one end of the spring is fixedly arranged at the left end of the fixed ring, the other end of the spring is fixedly arranged at the right end of the connecting disc, and the pressure sensor is extruded by the extrusion assembly.

[0009] Further, the moving assembly comprises a fixed frame, a rotating shaft, a dial plate, a gear ring, a toothed plate and a guide rod, a rotating hole is formed in the front side of the fixed frame, the rotating hole is rotatably connected with the rotating shaft, the front and rear ends of the rotating shaft are fixedly provided with two corresponding dial plates, the lower end in the fixed frame is slidably connected with the toothed plate, the circumference of the rotating shaft is fixedly provided with the gear ring, the gear ring is engaged with the toothed plate, two corresponding guide holes are formed in the upper end of the left side of the fixed frame, the guide holes are slidably connected with the guide rods, and the two guide rods are fixedly arranged at the right end of the installation barrel.

[0010] Further, the fastening assembly comprises a U-shaped fastening frame, a supporting rod, a connecting plate and a fastening block, the upper side of the fixed frame is provided with the U-shaped fastening frame, two corresponding supporting holes are formed in the upper side of the U-shaped fastening frame, the supporting holes are slidably connected with the supporting rods, the two supporting rods are fixedly arranged at the upper side of the fixed frame, the upper ends of the two supporting rods are fixedly provided with the connecting plate, the lower side of the U-shaped fastening frame is fixedly provided with two corresponding fastening blocks, the two fastening blocks are respectively attached to the surfaces of the two dial plates, and the dial plates are fixed by the fastening assembly.

[0011] Further, the adjusting assembly comprises a threaded rod, a rotating disc, a supporting ring and a supporting spring, a threaded hole is formed in the upper side of the connecting plate, the threaded hole is threadedly connected with the threaded rod, the lower end of the threaded rod is rotatably connected to the upper side of the U-shaped fastening frame, the upper end of the threaded rod is fixedly provided with the rotating disc, the surface of the threaded rod is sleeved with the supporting ring and the supporting spring, the upper end of the supporting spring is fixedly arranged at the upper end of the supporting ring, the lower end of the supporting spring is fixedly arranged at the upper side of the U-shaped fastening frame, the supporting ring is attached to the lower end of the rotating disc, and the height of the U-shaped fastening frame is adjusted by the adjusting assembly.

[0012] Further, the left end of the upper side of the fixed frame is fixedly provided with a pointer, an opening is formed in the left side of the fixed frame, the inside of the opening is slidably connected with a measuring scale, the left end of the measuring scale is fixedly arranged at the right side of the fixed frame, the pointer and the measuring scale are matched, and the positions of the installation barrel are determined by the pointer and the measuring scale.

[0013] Further, two corresponding fixed strips are fixed on the front and back sides of the fixed frame, and two corresponding fixed holes are formed in the upper side of the fixed strip.

[0014] Compared with the prior art, the beneficial effects of the linear rolling guide rail anti-falling structure are as follows.

[0015] The extrusion assembly is arranged to fix the fixed frame on the limiting block of the linear rolling guide rail during use. After being fixed, when the sliding block hits the connecting disc during movement on the linear rolling guide rail, the connecting disc moves, the connecting disc moves to drive the damping disc to move and buffer the sliding block. After buffering, the damping disc continues to move to drive the extrusion disc to move and contact the pressure sensor. After contacting, the pressure sensor sends the information to the external PLC controller. After receiving the signal, the external PLC controller controls the sliding hole of the linear rolling guide rail to move in the opposite direction. In this way, the sliding block can be prevented from hitting the limiting block of the linear rolling guide rail during use, and the sliding block can be prevented from falling off due to damage caused by hitting the limiting block. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a front side structure schematic view of the utility model;

[0017] Fig. 2 It is an induction assembly structure schematic view of the utility model;

[0018] Fig. 3 It is a front side sectional view of the utility model.

[0019] In the figure: 1 installation barrel, 2 pressure sensor, 3 extrusion assembly, 31 fixed ring, 32 sliding rod, 33 damping disc, 34 extrusion disc, 35 spring, 36 connecting disc, 4 moving assembly, 41 fixed frame, 42 rotating shaft, 43 driving disc, 44 gear ring, 45 toothed plate, 46 guide rod, 5 fastening assembly, 51 U-shaped fastening frame, 52 support rod, 53 connecting plate, 54 fastening block, 6 adjusting assembly, 61 threaded rod, 62 rotating disc, 63 support ring, 64 support spring, 7 pointer, 8 measuring scale, 9 fixed strip, 10 fixed hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1-3 The embodiment provides a technical scheme: a straight-line rolling guide rail anti-falling structure, comprising a mounting barrel 1 and an extrusion assembly 3;

[0022] The mounting barrel 1 is internally provided with a pressure sensor 2 at the right end, the right end of the mounting barrel 1 is provided with a moving assembly 4, the upper side of the moving assembly 4 is provided with a fastening assembly 5 and an adjusting assembly 6, the fastening assembly 5 and the adjusting assembly 6 are matched, the pressure sensor 2 is bidirectionally electrically connected with an external PLC controller, the moving assembly 4 comprises a fixed frame 41, a rotating shaft 42, a dial plate 43, a gear ring 44, a toothed plate 45 and a guide rod 46, the front side of the fixed frame 41 is provided with a rotating hole, the rotating hole is internally rotatably connected with the rotating shaft 42, the front and rear ends of the rotating shaft 42 are fixedly provided with two corresponding dial plates 43, the lower end inside the fixed frame 41 is slidably connected with the toothed plate 45, the circumferential surface of the rotating shaft 42 is fixedly provided with the gear ring 44, the gear ring 44 is engaged with the toothed plate 45, the upper end of the left side of the fixed frame 41 is provided with two corresponding guide holes, the guide holes are slidably connected with the guide rods 46, the two guide rods 46 are fixedly arranged at the right end of the mounting barrel 1, the fastening assembly 5 comprises a U-shaped fastening frame 51, a supporting rod 52, a connecting plate 53 and a fastening block 54, the upper side of the fixed frame 41 is provided with the U-shaped fastening frame 51, the upper side of the U-shaped fastening frame 51 is provided with two corresponding supporting holes, the supporting holes are slidably connected with the supporting rods 52, the two supporting rods 52 are fixedly arranged at the upper side of the fixed frame 41, the upper ends of the two supporting rods 52 are fixedly provided with the connecting plate 53, the lower side of the U-shaped fastening frame 51 is fixedly provided with two corresponding fastening blocks 54, the two fastening blocks 54 are respectively attached to the surfaces of the two dial plates 43, the adjusting assembly 6 comprises a threaded rod 61, a rotating disc 62, a supporting ring 63 and a supporting spring 64, the upper side of the connecting plate 53 is provided with a threaded hole, the threaded hole is internally threadedly connected with the threaded rod 61, the lower end of the threaded rod 61 is rotatably connected to the upper side of the U-shaped fastening frame 51, the upper end of the threaded rod 61 is fixedly provided with the rotating disc 62, the surface of the threaded rod 61 is sleeved with the supporting ring 63 and the supporting spring 64, the upper end of the supporting spring 64 is fixedly arranged at the upper end of the supporting ring 63, the lower end of the supporting spring 64 is fixedly arranged at the upper side of the U-shaped fastening frame 51, the supporting ring 63 is attached to the lower end of the rotating disc 62, the height of the U-shaped fastening frame 51 is adjusted through the adjusting assembly 6, the dial plate 43 is fixed through the fastening assembly 5, and the mounting barrel 1 is moved through the moving assembly 4;

[0023] The extrusion assembly 3 comprises a fixed ring 31, a sliding rod 32, a damping disc 33, an extrusion disc 34, a spring 35 and a connecting disc 36, the fixed ring 31 is fixed to the left end inside the installation barrel 1, the sliding rod 32 is slidably connected to the inside of the fixed ring 31, the damping disc 33 is slidably connected to the inside of the installation barrel 1, the extrusion disc 34 is fixed to the right end of the damping disc 33, the connecting disc 36 is fixed to the left end of the sliding rod 32, the spring 35 is sleeved on the circumferential surface of the sliding rod 32, one end of the spring 35 is fixed to the left end of the fixed ring 31, and the other end of the spring 35 is fixed to the right end of the connecting disc 36, and the extrusion assembly 3 is arranged to extrude the pressure sensor 2.

[0024] The left end of the upper side of the fixed frame 41 is fixed with the pointer 7, the left side of the fixed frame 41 is provided with an opening, the inside of the opening is slidably connected with the measuring scale 8, the left end of the measuring scale 8 is fixed to the right side of the fixed frame 41, the pointer 7 and the measuring scale 8 are matched, and the pointer 7 and the measuring scale 8 are arranged to facilitate the user to determine the position of the installation barrel 1.

[0025] The front and back sides of the fixed frame 41 are fixed with two corresponding fixed strips 9, and the upper sides of the fixed strips 9 are provided with two corresponding fixed holes 10, and the fixed frame 41 is connected with the limiting block of the linear rolling guide through the fixed strips 9 and the fixed holes 10.

[0026] The working principle of the anti-falling structure of the linear rolling guide is as follows: first, the fixed frame 41 is fixed on the limiting block of the linear rolling guide through the fixed strips 9 and the fixed holes 10, after being fixed, when the sliding block on the linear rolling guide 1 moves and hits the connecting disc 36, the connecting disc 36 moves, the movement of the connecting disc 36 drives the damping disc 33 to move and buffer the sliding block, after buffering, the damping disc 33 continues to move and drives the extrusion disc 34 to move and contact the pressure sensor 2, after contacting, the pressure sensor 2 sends the information to the external PLC controller, and the external PLC controller controls the sliding hole on the linear rolling guide to move in the opposite direction after receiving the signal, in this way, the sliding block can be prevented from hitting the limiting block of the linear rolling guide during use, in this way, the sliding block can be prevented from falling off due to damage caused by hitting the limiting block, when it is necessary to adjust the moving range of the sliding block, the gear ring 44 is rotated by rotating the driving disc 43, the gear ring 44 rotates to drive the gear plate 45 to move, the gear plate 45 moves to drive the installation barrel 1 to move, the installation barrel 1 moves to measure the moving distance of the measuring scale 8, when the requirement is reached, the gear ring 44 is stopped from rotating, and then the threaded rod 61 is rotated downward to fix the two driving discs 43 by means of the U-shaped fastening frame 51 and the two fastening blocks 54, and the fixed installation barrel 1 can be conveniently used.

[0027] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. An anti-detachment structure for a linear rolling guide rail, characterized in that: It comprises a mounting barrel (1) and a extrusion assembly (3); The mounting barrel (1) is internally provided with a pressure sensor (2) at the right end, and a moving assembly (4) is mounted at the right end of the mounting barrel (1), and a fastening assembly (5) and an adjusting assembly (6) are mounted on the upper side of the moving assembly (4), and the fastening assembly (5) and the adjusting assembly (6) are matched, and the pressure sensor (2) is bidirectionally electrically connected with an external PLC controller; The extrusion assembly (3) comprises a fixed ring (31), a sliding rod (32), a damping disc (33), an extrusion disc (34), a spring (35) and a connecting disc (36), the fixed ring (31) is fixed at the left end of the inside of the mounting barrel (1), the sliding rod (32) is slidably connected in the fixed ring (31), the damping disc (33) is slidably connected in the inside of the mounting barrel (1), the extrusion disc (34) is fixed at the right end of the damping disc (33), the connecting disc (36) is fixed at the left end of the sliding rod (32), the spring (35) is sleeved on the circumferential surface of the sliding rod (32), one end of the spring (35) is fixed at the left end of the fixed ring (31), and the other end of the spring (35) is fixed at the right end of the connecting disc (36).

2. The detachment preventing structure of a linear motion guide according to claim 1, characterized in that: The moving assembly (4) comprises a fixed frame (41), a rotating shaft (42), a dial disc (43), a gear ring (44), a toothed plate (45) and a guide rod (46), the front side of the fixed frame (41) is provided with a rotating hole, the rotating shaft (42) is rotatably connected in the rotating hole, the rotating shaft (42) is provided with two corresponding dial discs (43) at the front and rear ends, the toothed plate (45) is slidably connected at the lower end of the inside of the fixed frame (41), the gear ring (44) is fixed on the circumferential surface of the rotating shaft (42), the gear ring (44) is engaged with the toothed plate (45), the upper end of the left side of the fixed frame (41) is provided with two corresponding guide holes, and the guide rods (46) are slidably connected in the guide holes, and the two guide rods (46) are fixed at the right end of the mounting barrel (1).

3. The anti-disengagement structure for a linear motion guide according to claim 2, wherein: The fastening assembly (5) comprises a U-shaped fastening frame (51), a supporting rod (52), a connecting plate (53) and a fastening block (54), the upper side of the fixed frame (41) is provided with a U-shaped fastening frame (51), the upper side of the U-shaped fastening frame (51) is provided with two corresponding supporting holes, the supporting rods (52) are slidably connected in the supporting holes, the two supporting rods (52) are fixed on the upper side of the fixed frame (41), the connecting plate (53) is fixed on the upper ends of the two supporting rods (52), and the two fastening blocks (54) are fixed on the lower side of the U-shaped fastening frame (51).

4. The anti-disengagement structure for a linear motion guide according to claim 3, wherein: The adjusting assembly (6) comprises a threaded rod (61), a rotating disc (62), a supporting ring (63) and a supporting spring (64), the upper side of the connecting plate (53) is provided with a threaded hole, the inside of the threaded hole is threadedly connected with the threaded rod (61), the lower end of the threaded rod (61) is rotationally connected to the upper side of the U-shaped fastening frame (51), the upper end of the threaded rod (61) is fixedly connected with the rotating disc (62), the surface of the threaded rod (61) is sleeved with the supporting ring (63) and the supporting spring (64), the upper end of the supporting spring (64) is fixed to the upper end of the supporting ring (63), the lower end of the supporting spring (64) is fixed to the upper side of the U-shaped fastening frame (51), and the supporting ring (63) is attached to the lower end of the rotating disc (62).

5. The anti-disengagement structure for a linear motion guide according to claim 2, wherein: The left end of the upper side of the fixed frame (41) is fixedly connected with a pointer (7), the left side of the fixed frame (41) is provided with an opening, the inside of the opening is slidably connected with a measuring scale (8), and the left end of the measuring scale (8) is fixed to the right side of the fixed frame (41); the pointer (7) and the measuring scale (8) are matched.

6. The pull-out preventing structure for a linear motion guide rail according to claim 2, characterized in that: The front and back sides of the fixed frame (41) are fixedly connected with two corresponding fixed strips (9), and the upper side of each fixed strip (9) is provided with two corresponding fixed holes (10).

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