A rotating knife roller with fine-adjustable spacing

Abstract

The utility model discloses a rotating knife roller with fine-adjustable spacing, comprising a bottom plate and a top plate; a support block is arranged at one end of the inner side of the bottom plate and the top plate, a first knife roller and a second knife roller are arranged between the bottom plate and the top plate, and the first knife roller and the second knife roller are arranged in parallel; fixing blocks are arranged at both ends of the first knife roller, and the fixing blocks are fixedly installed between the top plate and the bottom plate; sliding blocks are arranged at both ends of the second knife roller, and the sliding blocks are connected before the top plate and the bottom plate, and are used to adjust the spacing between the first knife roller and the second knife roller during the sliding process of the sliding block in the horizontal direction; the first adjusting rod and the second adjusting rod are symmetrically arranged at both ends, and the first adjusting rod and the second adjusting rod are rotated to synchronously push the two sliding blocks at both ends of the second knife roller to slide synchronously, so as to achieve the same horizontal movement displacement at both ends of the second knife roller, improve the adjustment accuracy of the gap between the first knife roller and the second knife roller, achieve precise fine-tuning, and improve the processing accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of machine cutting, and more specifically to a rotary knife roller with a finely adjustable spacing. Background Art

[0002] In the field of machine cutting, the use of rolling cutters is very common. With the continuous development of social production and life, the manufacturing industry has higher and higher requirements for processing efficiency and product quality. The existing rolling cutters are not equipped with multiple knife rollers, and there is no rotating thread structure to fine-tune the gap between the knife rollers. In the fine-tuning process, two knobs are not set for synchronous fine-tuning, which easily causes large differences in the gaps at different positions on both ends of the knife roller, thereby causing the knife roller to tilt and affecting the processing accuracy. Utility Model Content

[0003] In order to solve at least one of the above technical problems, the utility model provides a rotating knife roller with fine-adjustable spacing.

[0004] The first aspect of the utility model provides a rotary knife roller with fine-adjustable spacing, comprising: a bottom plate and a top plate;

[0005] A support block is provided at one end of the inner side of the bottom plate and the top plate, a first knife roller and a second knife roller are provided between the bottom plate and the top plate, and the first knife roller and the second knife roller are provided in parallel;

[0006] Both ends of the first knife roller are provided with fixing blocks, and the fixing blocks are fixedly installed between the top plate and the bottom plate;

[0007] Slide blocks are provided at both ends of the second knife roller. The slide blocks are connected in cooperation between the top plate and the bottom plate. The slide blocks are used to adjust the distance between the first knife roller and the second knife roller during the sliding process in the horizontal direction.

[0008] In a preferred embodiment of the utility model, the bottom plate and one end of the top plate are connected with a side plate.

[0009] In a preferred embodiment of the utility model, bearings are provided inside the fixed block and the support block, a plurality of balls are evenly distributed circumferentially on the inner side of the bearings, and both ends of the first knife roller and the second knife roller are respectively installed on the inner side of the corresponding bearings.

[0010] In a preferred embodiment of the utility model, one end of the first knife roller is connected to a first hinge shaft, one end of the second knife roller is connected to a second hinge shaft, and a rotation positioning ring is sleeved on the outer sides of the first hinge shaft and the second hinge shaft.

[0011] In a preferred embodiment of the present invention, the rotation positioning ring is used to record the number of rotations or the rotation angle of the first hinge shaft and the second hinge shaft, and the outer wall of the rotation positioning ring is provided with a scale.

[0012] In a preferred embodiment of the utility model, a load spring is arranged at one end of the fixing block close to the sliding block.

[0013] In a preferred embodiment of the utility model, a first adjusting rod is provided on one side of a slider at one end of the second knife roller, and a second adjusting rod is provided on one side of a slider at the other end of the second knife roller, and both the first adjusting rod and the second adjusting rod pass through the side plate.

[0014] In a preferred embodiment of the present invention, a first adjusting nut is disposed at one end of the first adjusting rod, and a second adjusting nut is disposed at one end of the second adjusting rod.

[0015] In a preferred embodiment of the utility model, a plurality of grooves are arranged on the outer side of the first knife roller, and a plurality of protrusions are arranged on the outer side of the second knife roller.

[0016] The above technical solution of the utility model has the following advantages compared with the prior art:

[0017] By symmetrically setting the first adjusting rod and the second adjusting rod at both ends, rotating the first adjusting rod and the second adjusting rod synchronously push the two sliders at both ends of the second knife roller to slide synchronously, so as to achieve the same horizontal movement displacement at both ends of the second knife roller, improve the adjustment accuracy of the gap between the first knife roller and the second knife roller, realize precise fine-tuning, and improve processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, some of the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the rotating knife roller with fine-adjustable spacing according to the embodiment of the utility model;

[0020] Figure 2 This is another angle schematic diagram of the rotating knife roller capable of finely adjusting the spacing according to the embodiment of the utility model;

[0021] Figure 3 It is a top view of the rotating knife roller with fine-adjustable spacing according to an embodiment of the utility model.

[0022] In the figure, 1, support block, 2, top plate, 3, first knife roller, 4, slider, 5, second knife roller, 6, first adjusting rod, 7, protrusion, 8, side plate, 9, first adjusting nut, 10, second adjusting rod, 11, bearing, 12, first hinge shaft, 13, ball bearing, 14, second hinge shaft, 15, rotating positioning ring, 16, fixing block, 17, groove, 18, second adjusting nut, 19, load spring. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0025] Embodiment 1

[0026] See also Figure 1-Figure 3 As shown, the utility model proposes a rotary knife roller with fine-adjustable spacing, comprising: a bottom plate and a top plate 2;

[0027] A support block 1 is provided at one end of the inner side of the bottom plate and the top plate 2, a side plate 8 is connected to one end of the bottom plate and the top plate 2, a first knife roller 3 and a second knife roller 5 are provided between the bottom plate and the top plate 2, and the first knife roller 3 and the second knife roller 5 are arranged in parallel;

[0028] Both ends of the first knife roller 3 are provided with fixing blocks 16, and the fixing blocks 16 are fixedly installed between the top plate 2 and the bottom plate;

[0029] Slide blocks 4 are provided at both ends of the second knife roller 5. The slide blocks 4 are connected between the top plate 2 and the bottom plate. The slide blocks 4 are used to adjust the distance between the first knife roller 3 and the second knife roller 5 during the horizontal sliding process.

[0030] According to the embodiment of the utility model, bearings 11 are provided inside the fixed block 16 and the support block 1, and a plurality of balls 13 are evenly distributed along the circumferential direction on the inner side of the bearing 11. The first knife roller 3 and the second knife roller 5 are respectively installed on the inner sides of the corresponding bearings 11 at both ends, and the first knife roller 3 is connected to a first hinge shaft 12 at one end, and the second knife roller 5 is connected to a second hinge shaft 14 at one end, and a rotating positioning ring 15 is sleeved on the outer sides of the first hinge shaft 12 and the second hinge shaft 14.

[0031] According to the embodiment of the utility model, the rotation positioning ring 15 is used to record the number of rotations or the rotation angles of the first hinge shaft 12 and the second hinge shaft 14 , and the outer wall of the rotation positioning ring 15 is provided with scales.

[0032] According to the embodiment of the utility model, a load spring 19 is provided at one end of the fixing block 16 close to the sliding block 4 .

[0033] It should be noted that by setting the load spring 19, the load spring 19 is compressed during the movement of the slider 4 to increase the movement resistance and prevent the second knife roller 5 from hitting the first knife roller 3. The load spring 19 ensures that the distance between the first knife roller 3 and the second knife roller 5 is greater than zero.

[0034] According to an embodiment of the utility model, a first adjusting rod 6 is provided on one side of the slider 4 at one end of the second knife roller 5, and a second adjusting rod 10 is provided on one side of the slider 4 at the other end of the second knife roller 5. Both the first adjusting rod 6 and the second adjusting rod 10 pass through the side plate 8.

[0035] According to the embodiment of the utility model, a first adjusting nut 9 is disposed at one end of the first adjusting rod 6 , and a second adjusting nut 18 is disposed at one end of the second adjusting rod 10 .

[0036] According to the embodiment of the utility model, a plurality of grooves 17 are arranged on the outer side of the first knife roller 3 , and a plurality of protrusions 7 are arranged on the outer side of the second knife roller 5 .

[0037] To summarize, by symmetrically setting the first adjusting rod 6 and the second adjusting rod 10 at both ends, rotating the first adjusting rod 6 and the second adjusting rod 10 synchronously push the two sliders 4 at both ends of the second knife roller 5 to slide synchronously, so that the horizontal movement displacement at both ends of the second knife roller 5 is the same, the adjustment accuracy of the gap between the first knife roller 3 and the second knife roller 5 is improved, precise fine-tuning is achieved, and the processing accuracy is improved.

[0038] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0039] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to the above embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the above embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0040] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A rotary knife roller with fine-tunable spacing, comprising: Bottom plate and top plate; characterized in that, A support block is provided at one end of the inner side of the bottom plate and the top plate, a first knife roller and a second knife roller are provided between the bottom plate and the top plate, and the first knife roller and the second knife roller are provided in parallel; Both ends of the first knife roller are provided with fixing blocks, and the fixing blocks are fixedly installed between the top plate and the bottom plate; Slide blocks are provided at both ends of the second knife roller. The slide blocks are connected in cooperation between the top plate and the bottom plate. The slide blocks are used to adjust the distance between the first knife roller and the second knife roller during the sliding process in the horizontal direction.

2. The rotary knife roller with fine-adjustable spacing according to claim 1, characterized in that: The bottom plate and one end of the top plate are connected with a side plate.

3. The rotary knife roller with fine-adjustable spacing according to claim 1, characterized in that: The fixing block and the supporting block are both provided with bearings, and a plurality of balls are evenly distributed along the circumferential direction on the inner side of the bearings. The first knife roller and the second knife roller are respectively installed at the inner side of the corresponding bearings at both ends.

4. The rotary knife roller with fine-adjustable spacing according to claim 3, characterized in that: One end of the first knife roller is connected to a first hinge shaft, and one end of the second knife roller is connected to a second hinge shaft. Rotary positioning rings are sleeved on the outer sides of the first hinge shaft and the second hinge shaft.

5. The rotary knife roller with fine-adjustable spacing according to claim 4, characterized in that: The rotation positioning ring is used to record the number of rotations or the rotation angle of the first hinge shaft and the second hinge shaft, and the outer wall of the rotation positioning ring is provided with a scale.

6. The rotary knife roller with fine-adjustable spacing according to claim 1, characterized in that: The fixing block is provided with a load spring at one end close to the sliding block.

7. The rotary knife roller with fine-adjustable spacing according to claim 6, characterized in that: A first adjusting rod is arranged on one side of the slider at one end of the second knife roller, and a second adjusting rod is arranged on one side of the slider at the other end of the second knife roller. Both the first adjusting rod and the second adjusting rod penetrate the side plate.

8. The rotary knife roller with fine-adjustable spacing according to claim 7, characterized in that: A first adjusting nut is disposed at one end of the first adjusting rod, and a second adjusting nut is disposed at one end of the second adjusting rod.

9. The rotary knife roller with fine-adjustable spacing according to claim 1, characterized in that: A plurality of grooves are arranged on the outer side of the first knife roller, and a plurality of protrusions are arranged on the outer side of the second knife roller.

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