Leveling roller assembly

Abstract

The utility model relates to the technical field of leveling roller assemblies, in particular to a leveling roller assembly which comprises an installation frame and a supporting frame, the two sides of the supporting frame are connected with a plurality of connecting rods in a rotating mode, the inner ends of the connecting rods on the two sides are attached to a cross rod, and the outer wall of the cross rod is connected with a roller in a rotating mode. The left end of the connecting rod on the left side is fixedly connected with a worm gear, the bottom of the worm gear is meshed with a worm, the two sides of the worm are rotationally connected with a fixing frame, the bottom of the fixing frame is rotationally connected with a round rod, and the middle of the outer wall of the worm is fixedly connected with a fourth gear. By rotating a guide rod, a spiral sliding groove is formed in the guide rod, a guide block drives a round block to move inwards in the rotating process, the round block drives a sliding block to move leftwards, and the sliding block drives an inserting block to move inwards, so that the inserting blocks on the two sides are released from clamping connection with a connecting rod, the roller is detached, and the leveling roller assembly is more convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of leveling stick components, in particular to a leveling stick component. Background Art

[0002] Rollers are widely used in various transmission and conveying systems. In order to ensure that the roller can smoothly deliver the conveyed items to the next processing flow, it is usually necessary to ensure that the roller is in a horizontal state relative to the ground, so as to ensure that the items conveyed on the roller will not be displaced laterally relative to the roller itself.

[0003] However, during the use of the existing leveling rod assembly, since the roller of the leveling rod assembly is directly connected to the rotating rod through the bearing, when the leveling rod assembly is repaired and maintained, the bearing and the roller need to be disassembled separately, which makes the maintenance of the leveling rod assembly more complicated and time-consuming, thereby affecting the maintenance efficiency of the leveling rod assembly;

[0004] In the use of the leveling stick assembly in the existing documents, the user rotates the worm to rotate the worm wheel to achieve the leveling of the roller. However, due to the small transmission ratio between the worm and the worm wheel, when the adjustment range is large during the adjustment process, the number of turns during the adjustment process is large, and rapid adjustment cannot be achieved. Utility Model Content

[0005] The utility model aims to solve the problem of complicated maintenance of the leveling stick assembly and the problem of being unable to realize quick adjustment of the leveling stick assembly, and proposes a leveling stick assembly.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A leveling stick assembly is designed, including a mounting frame and a supporting frame, wherein both sides of the supporting frame are rotatably connected to a plurality of connecting rods, the inner ends of the connecting rods on both sides are fitted with cross rods, the outer walls of the cross rods are rotatably connected to rollers, the left end of the connecting rod on the left side is fixedly connected to a worm gear, the bottom of the worm gear is meshed with a worm, both sides of the worm are rotatably connected to a fixing frame, the bottom of the fixing frame is rotatably connected to a round rod, the middle part of the outer wall of the worm is fixedly connected to a fourth gear, the outer wall of the round rod is provided with an adjusting structure, and both sides of the cross rod are provided with connecting structures.

[0008] Preferably, the connecting structure includes a first spring, one end of which is fixedly connected to the cross bar, the other end of which is fixedly connected to the slider, both sides of the slider are fixedly connected to the round block, the outer end of the slider is fixedly connected to the plug block, and the outer wall of the round block is slidably connected to the slide groove of the guide block.

[0009] Preferably, the inner walls of the plurality of guide blocks are rotatably connected to the cross bar, and the outer walls of the insert blocks are snap-fitted to the key slots of the connecting rod.

[0010] Preferably, the adjustment structure includes a sleeve, the inner wall of the sleeve is slidably connected to the round rod, the outer wall of the sleeve is fixedly connected to the first gear and the third gear on both sides, the right end of the inner wall of the sleeve is fixedly connected to one end of the second spring, the other end of the second spring is fixedly connected to the guide rod, the right side of the outer wall of the guide rod is tightly pressed against a plurality of spherical blocks, the left side of the outer wall of the guide rod is slidably connected to the sleeve, and the outer wall of the first gear is meshed with the second gear.

[0011] Preferably, the inner wall of the second gear is fixedly connected to the worm, and the outer walls of the plurality of spherical blocks are snap-fitted to the round rod.

[0012] Preferably, both ends of the mounting frame are fixedly connected to the supporting frame.

[0013] The utility model provides a leveling stick assembly, which has the beneficial effect that: by rotating the guide rod, a spiral groove is processed inside the guide rod, and the guide block drives the round block to move inward during rotation, and the round block drives the slider to move leftward, and the slider drives the plug block to move inward, so that the plug blocks on both sides are released from the connecting rod, thereby realizing the disassembly of the roller, making the maintenance of the leveling roller assembly more convenient;

[0014] The guide rod is pulled to the left, and the guide rod and the spherical block are released from being pressed against each other, so that the spherical block and the round rod are released from being pressed against each other, and then the sleeve is pulled to the left, so that the sleeve drives the first gear and the third gear to move to the left, and the first gear and the second gear are released, and the third gear and the fourth gear are engaged, and then the guide rod is released, so that the guide rod is affected by the elastic force of the second spring so that the spherical block and the groove on the left side of the round rod are engaged, thereby rotating the sleeve, so that the sleeve drives the round rod to rotate, and the third gear rotates one circle so that the fourth gear rotates five circles and drives the fourth gear to rotate through the third gear. The fourth gear drives the worm wheel to rotate through the worm, so that the worm drives the worm wheel to rotate quickly by changing the transmission ratio, which improves the rapid adjustment of the leveling stick assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 3 for Figure 2 The structural diagram of A in the figure;

[0018] Figure 4 for Figure 2A side view schematic diagram of the structure;

[0019] Figure 5 for Figure 4 Schematic diagram of the structure of B.

[0020] In the figure: 1, mounting frame, 2, supporting frame, 3, connecting structure, 301, first spring, 302, sliding block, 303, round block, 304, insert block, 305, guide block, 4, adjusting structure, 4a1, second spring, 4a2, guide rod, 4a3, spherical block, 4a4, sleeve, 4a5, first gear, 4a6, second gear, 4a7, third gear, 4b1, square block, 5, roller, 6, cross bar, 7, connecting rod, 8, worm gear, 9, worm, 10, fixing frame, 11, round rod, 12, fourth gear. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Embodiment 1:

[0023] Refer to the attached Figure 1-5 : In this embodiment, a leveling stick assembly includes a mounting frame 1 and a supporting frame 2, both sides of the supporting frame 2 are rotatably connected to a plurality of connecting rods 7, the inner ends of the connecting rods 7 on both sides are fitted with a cross bar 6, the outer wall of the cross bar 6 is rotatably connected to a roller 5, the left end of the left connecting rod 7 is fixedly connected to a worm gear 8, the bottom of the worm gear 8 is meshed with a worm 9, both sides of the worm 9 are rotatably connected to a fixing frame 10, the bottom of the fixing frame 10 is rotatably connected to a round rod 11, the middle part of the outer wall of the worm 9 is fixedly connected to a fourth gear 12, the outer wall of the round rod 11 is provided with an adjustment structure 4, and both sides of the cross bar 6 are provided with a connecting structure 3.

[0024] The connecting structure 3 includes a first spring 301, one end of the first spring 301 is fixedly connected to the cross bar 6, and the other end of the first spring 301 is fixedly connected to the slider 302, and the guide rod 305 is rotated. The guide rod 305 has a spiral groove processed inside. During the rotation of the guide block 305, the round block 303 is driven to move inward, and the round block drives the slider 302 to move to the left, and the slider 302 drives the plug block 304 to move inward, so that the plug blocks 304 on both sides are released from the connecting rod 7, thereby realizing the disassembly of the roller 5, the two sides of the slider 302 are fixedly connected to the round block 303, the outer end of the slider 302 is fixedly connected to the plug block 304, the outer wall of the round block 303 is slidably connected to the groove of the guide block 305, the inner walls of the multiple guide blocks 305 are rotatably connected to the cross bar 6, and the outer wall of the plug block 304 is engaged with the keyway of the connecting rod 7.

[0025] The adjusting structure 4 includes a sleeve 4a4, the inner wall of the sleeve 4a4 is slidably connected to the round rod 11, the outer wall of the sleeve 4a4 is fixedly connected to the first gear 4a5 and the third gear 4a7 on both sides, the right end of the inner wall of the sleeve 4a4 is fixedly connected to one end of the second spring 4a1, the other end of the second spring 4a1 is fixedly connected to the guide rod 4a2, the right side of the outer wall of the guide rod 4a2 is tightly pressed against a plurality of spherical blocks 4a3, the guide rod 4a2 is pulled leftward, the guide rod 4a2 and the spherical blocks 4a3 are released from being pressed against, so that the spherical blocks 4a3 and the round rod 11 are released from being pressed, and then the sleeve 4a4 is pulled leftward, so that the sleeve 4a4 drives the first gear 4a5 and the third gear 4a7 to move leftward, the first gear 4a5 is disengaged from the second gear 4a6, the third gear 4a7 is engaged with the fourth gear 12, and then the guide rod 4a2 is released, so that the guide rod 4a2 is affected by the first gear 4a5 and the third gear 4a7. The elastic force of the second spring 4a1 causes the spherical block 4a3 to engage with the groove on the left side of the round rod 11, thereby rotating the sleeve 4a4, so that the sleeve 4a4 drives the round rod 11 to rotate, and at the same time drives the fourth gear 12 to rotate through the third gear 4a7, and the fourth gear 12 drives the worm wheel 8 to rotate through the worm 9. The left side of the outer wall of the guide rod 4a2 is slidingly connected with the sleeve 4a4, and the outer wall of the first gear 4a5 is meshed with the second gear 4a6. The third gear 4a7 rotates one circle so that the fourth gear 12 rotates 5 circles to realize the worm driving the worm wheel to rotate quickly. The first gear 4a5 and the second gear 4a6 have the same number of teeth. When the first gear 4a5 and the second gear 4a6 are meshed, slow adjustment is realized. The inner wall of the second gear 4a6 is fixedly connected to the worm 9, the outer walls of multiple spherical blocks 4a3 are engaged with the round rod 11, and the two ends of the mounting frame 1 are fixedly connected to the support frame 2.

[0026] Working principle:

[0027] The user rotates the guide rod 305, and a spiral groove is processed inside the guide rod 305. During the rotation of the guide block 305, the round block 303 is driven to move inward, and the round block drives the slider 302 to move to the left, and the slider 302 drives the plug block 304 to move inward, so that the plug blocks 304 on both sides are released from the connecting rod 7, thereby realizing the disassembly of the roller 5, making the maintenance of the leveling roller assembly more convenient;

[0028] After the maintenance is completed, the roller 5 is reset in the same manner, and then the guide block 305 is loosened, and the elastic force of the first spring 301 connects the roller and the connecting rod 7;

[0029] The user pulls the guide rod 4a2 to the left, and the guide rod 4a2 and the spherical block 4a3 are released from the tight contact, so that the spherical block 4a3 and the round rod 11 are released from the tight contact, and then the sleeve 4a4 is pulled to the left, so that the sleeve 4a4 drives the first gear 4a5 and the third gear 4a7 to move leftward, the first gear 4a5 and the second gear 4a6 are released from meshing, and the third gear 4a7 is meshed with the fourth gear 12, and then the guide rod 4a2 is released, so that the guide rod 4a2 is affected by the elastic force of the second spring 4a1 so that the spherical block 4a3 is engaged with the groove on the left side of the round rod 11, thereby rotating the sleeve 4a4, so that the sleeve 4a4 drives the round rod 11 to rotate, the third gear 4a7 rotates one circle, so that the fourth gear 12 rotates five circles and the fourth gear 12 is driven to rotate by the third gear 4a7, and the fourth gear 12 drives the worm wheel 8 to rotate through the worm 9, so that the worm drives the worm wheel to rotate quickly by changing the transmission ratio, which improves the rapid adjustment of the leveling stick assembly.

[0030] Embodiment 2:

[0031] See attached Figure 1-4 In the present embodiment, a leveling stick assembly is provided, wherein the adjustment structure 4 may further include a square block 4b1, the inner wall of the square block 4b1 is fixedly connected to the guide rod 4a2, the outer wall of the square block 4b1 is fitted with the sleeve 4a4, and the guide rod 4a2 slides more stably through the restriction between the square block 4b1 and the sleeve 4a4.

[0032] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A leveling stick assembly, comprising a mounting frame (1) and a supporting frame (2), characterized in that: The two sides of the support frame (2) are rotatably connected to a plurality of connecting rods (7), the inner ends of the connecting rods (7) on the two sides are in contact with the cross rod (6), the outer wall of the cross rod (6) is rotatably connected to the roller (5), the left end of the left connecting rod (7) is fixedly connected to the worm wheel (8), the bottom of the worm wheel (8) is meshed with the worm (9), the two sides of the worm (9) are rotatably connected to the fixed frame (10), the bottom of the fixed frame (10) is rotatably connected to the round rod (11), the middle part of the outer wall of the worm (9) is fixedly connected to the fourth gear (12), the outer wall of the round rod (11) is provided with an adjustment structure (4), and the two sides of the cross rod (6) are provided with connecting structures (3).

2. A leveling stick assembly according to claim 1, characterized in that: The connection structure (3) comprises a first spring (301), one end of the first spring (301) is fixedly connected to the cross bar (6), the other end of the first spring (301) is fixedly connected to the slider (302), both sides of the slider (302) are fixedly connected to the round block (303), the outer end of the slider (302) is fixedly connected to the plug block (304), and the outer wall of the round block (303) is slidably connected to the slide groove of the guide block (305).

3. A leveling stick assembly according to claim 2, characterized in that: The inner walls of the plurality of guide blocks (305) are rotatably connected to the crossbar (6), and the outer wall of the insert block (304) is snap-fitted to the keyway of the connecting rod (7).

4. A leveling stick assembly according to claim 1, characterized in that: The adjustment structure (4) comprises a sleeve (4a4), the inner wall of the sleeve (4a4) is slidably connected to the round rod (11), the outer wall of the sleeve (4a4) is fixedly connected to the first gear (4a5) and the third gear (4a7) on both sides, the right end of the inner wall of the sleeve (4a4) is fixedly connected to one end of the second spring (4a1), the other end of the second spring (4a1) is fixedly connected to the guide rod (4a2), the right side of the outer wall of the guide rod (4a2) is tightly pressed against a plurality of spherical blocks (4a3), the left side of the outer wall of the guide rod (4a2) is slidably connected to the sleeve (4a4), and the outer wall of the first gear (4a5) is meshed with the second gear (4a6).

5. A leveling stick assembly according to claim 4, characterized in that: The inner wall of the second gear (4a6) is fixedly connected to the worm (9), and the outer walls of the plurality of spherical blocks (4a3) are clamped to the round rod (11).

6. A leveling stick assembly according to claim 1, characterized in that: Both ends of the mounting frame (1) are fixedly connected to the supporting frame (2).

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