Distance-adjustable feeder

Abstract

The distance-adjustable feeder comprises a rack, a plurality of supporting legs are fixedly connected to the bottom end of the rack, a plurality of lower connecting cylinders are rotationally installed on the opposite sides of the rack, a plurality of lower rollers are connected between the lower connecting cylinders in an inserted mode respectively, guide rods are fixedly connected to the two sides of the top end of the rack respectively, and the guide rods are fixedly connected to the two sides of the top end of the rack respectively. The guide rods are slidably connected with upper supports in a sleeving mode, the two upper supports are symmetrically arranged, a plurality of upper connecting cylinders are rotationally installed on the opposite sides of the two upper supports, and a plurality of upper rollers are inserted between the upper connecting cylinders. A connecting block is fixedly connected to the middle of the opposite side of the upper support, the connecting block is sleeved with a threaded rod through a threaded structure, the bottom of the threaded rod is rotationally connected with a supporting seat, the supporting seat is fixedly installed on one side of the middle of the rack, a rotating shaft is rotationally connected to the bottom of the supporting seat, and a hand wheel is fixedly connected to one end of the rotating shaft.

Description

Technical Field

[0001] This utility model relates to the field of feeding machine technology, specifically to a feeding machine with adjustable distance. Background Technology

[0002] A feeder is a machine that uses the force of mechanical motion to move and transport materials. Feeders are indispensable equipment in both light and heavy industries. They are mainly used for conveying granular, powdery, sheet, and strip materials, and are widely used across various industries. In today's society, more and more manufacturers are adopting mechanized conveying systems. This method of replacing manual labor is becoming inevitable, offering high precision, saving time and labor, significantly reducing labor intensity, lowering labor costs, and conserving human resources—truly achieving low cost and high returns. In today's rapidly developing era, such automated products will be increasingly favored by manufacturers.

[0003] When conveying sheet or strip materials, feeders often use roller feeders, which clamp the material and drive its movement through upper and lower rollers. However, existing roller feeders are inconvenient to adjust the roller spacing, making them unsuitable for feeding products of different thicknesses. Furthermore, the rollers are usually mounted on the frame and cannot be disassembled, making it difficult to replace them when they wear out. Therefore, we propose a feeder with adjustable distance to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a distance-adjustable feeder to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a distance-adjustable feeder, comprising a frame, a plurality of support legs fixedly connected to the bottom end of the frame, a plurality of lower connecting cylinders rotatably mounted on opposite sides of the frame, a plurality of lower rollers inserted between the lower connecting cylinders, guide rods fixedly connected to both sides of the top end of the frame, the guide rods slidably sleeved on upper supports, two upper supports symmetrically provided and a plurality of upper connecting cylinders rotatably mounted on opposite sides, a plurality of upper rollers inserted between the upper connecting cylinders;

[0006] A connecting block is fixedly connected to the middle of one side of the upper support opposite to the support. The connecting block is threaded to a threaded rod through a threaded structure. The bottom of the threaded rod is rotatably connected to a support seat. The support seat is fixedly installed on one side of the middle of the frame. A rotating shaft is rotatably connected to the bottom of the support seat. One end of the rotating shaft is fixedly connected to a handwheel.

[0007] Preferably, the bottom end of the threaded rod is fixedly sleeved with a worm gear, and the two ends of the rotating shaft are respectively rotatably disposed in the support seat and the two ends of the rotating shaft are respectively fixedly connected to a worm, and the worm and the worm gear of the threaded rod are meshed together.

[0008] Preferably, the lower roller and the upper roller have completely identical structures, and the lower connecting cylinder and the upper connecting cylinder have completely identical structures.

[0009] Preferably, the lower roller has movable cavities at both ends, and a spring is movably installed in each movable cavity. One end of the spring is fixedly connected to the inner wall of the movable cavity, and the other end of the spring is fixedly connected to a limiting plate. The limiting plate is fixedly connected to one end of a plug-in block, and the plug-in block is movably installed in the movable cavity.

[0010] Preferably, one end of the lower connecting cylinder is provided with a slot that mates with the plug-in block, and a sliding opening is provided on one side of the slot, in which a sliding engagement plate is engaged.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the detachable lower roller and upper roller facilitate the disassembly and replacement of worn rollers; rotating the handwheel, through the cooperation of the worm gear, drives the threaded rod to rotate, and the threaded rod drives the upper support to move through the threaded structure, thereby adjusting the distance between the upper support and the machine frame, which facilitates the feeding of products of different thicknesses. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the bottom structure of this utility model;

[0014] Figure 3 This is a partial cross-sectional view of the lower roller of this utility model.

[0015] In the diagram: 1. Frame; 2. Support leg; 3. Guide rod; 4. Upper bracket; 5. Lower roller; 51. Insertion block; 52. Limiting plate; 53. Spring; 54. Movable cavity; 6. Lower connecting cylinder; 61. Sliding port; 62. Actuating plate; 7. Threaded rod; 8. Connecting block; 9. Upper roller; 10. Upper connecting cylinder; 11. Support seat; 12. Handwheel; 13. Rotating shaft. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example 1

[0018] Reference Figure 1 ,2 This is the first embodiment of the present invention. This embodiment provides a distance-adjustable feeder, including a frame 1. A plurality of support legs 2 are fixedly connected to the bottom end of the frame 1. A plurality of lower connecting cylinders 6 are rotatably installed on opposite sides of the frame 1. A plurality of lower rollers 5 are inserted between the lower connecting cylinders 6. Guide rods 3 are fixedly connected to both sides of the top end of the frame 1. Limiting rings are fixedly installed at the top end of the guide rods 3 to prevent the upper support 4 from detaching. The guide rods 3 are slidably sleeved on the upper support 4. The upper support 4 is symmetrically provided with two upper connecting cylinders 10 rotatably installed on opposite sides. A plurality of upper rollers 9 are inserted between the upper connecting cylinders 10.

[0019] A connecting block 8 is fixedly connected to the middle of one side of the upper support 4 opposite to the machine frame 1. The connecting block 8 is threaded to a threaded rod 7. The bottom of the threaded rod 7 is rotatably connected to a support base 11. The support base 11 is fixedly installed on one side of the middle of the machine frame 1. A rotating shaft 13 is rotatably connected to the bottom of the support base 11. One end of the rotating shaft 13 is fixedly connected to a handwheel 12. Rotating the handwheel 12 causes the fixed rotating shaft 13 to rotate. After the rotating shaft 13 rotates, it drives the fixed worm gear to rotate. The worm gear meshes with the worm wheel, which drives the threaded rod 7 to rotate. After the threaded rod 7 rotates, it engages with the threaded structure of the connecting block 8 to raise or lower the upper support 4, thereby changing the distance between the upper support 4 and the machine frame 1. This facilitates feeding products of different thicknesses. When the lower roller 5 or the upper roller 9 becomes worn, the lower roller 5 can be disassembled and replaced.

[0020] Example 2

[0021] Reference Figure 1-3 This is the second embodiment of the present invention, based on the previous embodiment. Specifically, a worm gear is fixedly sleeved at the bottom end of the threaded rod 7, and both ends of the rotating shaft 13 are rotatably disposed within the support base 11, with worms fixedly connected to both ends of the rotating shaft 13. The worms and the worm gear of the threaded rod 7 are meshed together. By rotating the handwheel 12, the handwheel 12 drives the fixed rotating shaft 13 to rotate, which in turn drives the fixed worm to rotate. The worm, in conjunction with the meshing worm gear, drives the threaded rod 7 to rotate. After the threaded rod 7 rotates, it engages with the threaded structure of the connecting block 8, causing the upper support 4 to rise or fall, thereby changing the distance between the upper support 4 and the frame 1.

[0022] Specifically, the lower roller 5 and the upper roller 9 have completely identical structures, and the lower connecting cylinder 6 and the upper connecting cylinder 10 have completely identical structures. This completely identical structure makes the overall system more versatile.

[0023] Specifically, the lower roller 5 has movable cavities 54 at both ends, and a spring 53 is movably installed in the movable cavity 54. One end of the spring 53 is fixedly connected to the inner wall of the movable cavity 54, and the other end of the spring 53 is fixedly connected to the limiting plate 52. The limiting plate 52 is fixedly connected to one end of the plug-in block 51, and the plug-in block 51 is movably installed in the movable cavity 54.

[0024] Furthermore, one end of the lower connecting cylinder 6 has a slot that mates with the insertion block 51, and one side of the slot has a sliding opening 61, in which the actuating plate 62 is slidably engaged. By actuating the actuating plate 62, the T-shaped actuating plate 62 moves within the slot of the lower connecting cylinder 6, and during movement, it abuts against the end wall of the insertion block 51 of the lower roller 5. When it continues to move, the actuating plate 62 drives the insertion block 51 to retract into the movable cavity 54 of the lower roller 5, thereby disengaging the insertion block 51 from the slot of the lower connecting cylinder 6, facilitating the disassembly and replacement of the lower roller 5. Similarly, the upper roller 9 can be disassembled and replaced in the same manner.

[0025] Example 3

[0026] Reference Figure 1-3 This is the third embodiment of the present invention. Based on the above two embodiments, in use, the handwheel 12 is rotated, which drives the fixed rotating shaft 13 to rotate. After the rotating shaft 13 rotates, it drives the fixed worm gear to rotate. The worm gear engages with the worm wheel, which drives the threaded rod 7 to rotate. After the threaded rod 7 rotates, it engages with the threaded structure of the connecting block 8, which drives the upper support 4 to rise and fall, thereby changing the distance between the upper support 4 and the frame 1, which is convenient for feeding products of different thicknesses. When the lower roller 5 or the upper roller 9 is worn, the actuating plate 62 is moved by moving the T-shaped actuating plate 62. When moving, the actuating plate 62 abuts against the end wall of the insertion block 51 of the lower roller 5. When it continues to move, the actuating plate 62 drives the insertion block 51 to retract into the movable cavity 54 of the lower roller 5, thereby disengaging the insertion block 51 from the slot of the lower connecting cylinder 6, which is convenient for disassembling the lower roller 5 and replacing the lower roller 5.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A distance-adjustable feeder, comprising a frame (1), wherein a plurality of supporting legs (2) are fixedly connected to the bottom end of the frame (1), characterized in that: A plurality of lower connecting cylinders (6) are rotatably mounted on one side opposite to the frame (1), and a plurality of lower rollers (5) are respectively plugged in between the lower connecting cylinders (6); guide rods (3) are respectively fixedly connected to the top two sides of the frame (1), and the guide rods (3) are slidably sleeved on the upper bracket (4); the upper bracket (4) is symmetrically provided with two and a plurality of upper connecting cylinders (10) are rotatably mounted on one side opposite to the other, and a plurality of upper rollers (9) are respectively plugged in between the upper connecting cylinders (10); A connecting block (8) is fixedly connected to the middle of the opposite side of the upper bracket (4); the connecting block (8) is sleeved with the threaded rod (7) through a threaded structure; the bottom of the threaded rod (7) is rotatably connected to a support seat (11); the support seat (11) is fixedly installed on one side of the middle of the frame (1); the bottom of the support seat (11) is rotatably connected to a rotating shaft (13); one end of the rotating shaft (13) is fixedly connected to a hand wheel (12).

2. The distance-adjustable feeder according to claim 1, characterized in that: The bottom end of the threaded rod (7) is fixedly sleeved with a worm wheel, the two ends of the rotating shaft (13) are respectively rotatably arranged in the support seat (11) and the two ends of the rotating shaft (13) are respectively fixedly connected to the worm, and the worm is meshingly connected with the worm wheel of the threaded rod (7).

3. The distance-adjustable feeder according to claim 1, characterized in that: The structures of the lower roller (5) and the upper roller (9) are completely consistent, and the structures of the lower connecting cylinder (6) and the upper connecting cylinder (10) are completely consistent.

4. The distance-adjustable feeder according to claim 1, characterized in that: Both ends of the lower roller (5) are respectively provided with movable cavities (54), and a spring (53) is movably arranged in the movable cavity (54). One end of the spring (53) is fixedly connected to the inner wall of the movable cavity (54), and the other end of the spring (53) is fixedly connected to a limit plate (52). The limit plate (52) is fixedly connected to one end of a plug-in block (51), and the plug-in block (51) is movably arranged in the movable cavity (54).

5. The distance-adjustable feeder according to claim 4, characterized in that: A slot matching with the plug-in block (51) is formed at one end of the lower connecting tube (6), and a sliding opening (61) is formed at one side of the slot, wherein a toggle plate (62) is slidably engaged in the sliding opening (61).

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