A strip temporary roll shearing device without inner ring

Abstract

The utility model relates to the technical field of strip processing equipment, disclose a kind of temporary roll shear feeding device of no inner ring strip, including machine body and discharging assembly;The discharging assembly includes mounting plate, multiple board that can be radially slid in its sliding slot, drive shaft, threaded column, nut and handle;By rotating handle, via the transmission of nut, threaded column and drive shaft, utilize the wedge sliding fit of lower sliding block on drive shaft and upper sliding block on board, drive multiple board synchronous radial movement to from inside tension or loosen different inner hole diameter no inner ring strip, the device is also provided with guide shaft, limit ring and baffle to guide strip;The utility model solves the problem that the existing technology discharging device is poor in versatility, discharging process is easy to shake, clamping is not stable, with the advantages of simple structure, reliable, easy to adjust, clamping firm, wide applicability, can effectively prevent strip damage, significantly improve the quality and precision of subsequent roll shear processing.

Description

Technical Field

[0001] This utility model relates to the technical field of strip processing equipment, and in particular to a temporary roll shearing and feeding device for strip without an inner ring. Background Technology

[0002] In the field of strip processing, especially in roll shearing operations, strip is usually supplied in roll form and unrolled by a feeding device for subsequent processing. Traditional feeding devices are mostly used to process strip rolls with standard inner rings (such as paper tubes or plastic cores). They typically use a feeding shaft of fixed diameter that passes directly through the inner ring of the strip to achieve support and feeding.

[0003] However, in actual production, some strip materials, to save costs or due to special processes, do not have an inner ring, resulting in strip coils without an inner ring. The inner hole of such strip coils is formed by the material itself being rolled, and its inner hole diameter is often inconsistent, with significant differences between different batches and specifications of strip material. In this case, if traditional fixed-diameter feeding shafts are continued to be used, they will be unusable due to diameter mismatch; even if some simple tapered shafts or expandable mandrels are used, their limited adjustment range or complex structure often makes it difficult to accurately and firmly adapt to the varying inner hole dimensions. When there is a gap between the mandrel and the inner wall of the strip, the strip coil is prone to shaking and radial runout during high-speed feeding. This instability not only causes squeezing damage to the strip edges and reduces the yield, but also seriously affects the stability and centering accuracy of the strip entering the roll shearing process, ultimately leading to inaccurate shearing dimensions and reduced product quality. To address this, this utility model proposes a temporary roll shearing feeding device for strip without an inner ring to overcome the shortcomings of the existing technology. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a temporary roll shearing and feeding device for strip without an inner ring, which aims to improve the problems of existing feeding devices that are difficult to be compatible with strips without an inner ring with different inner hole diameters, resulting in unstable feeding, easy damage to the strip, and affecting the accuracy of subsequent processing.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A temporary roll shearing and feeding device for strip without inner ring includes: a machine body, a feeding assembly installed on the machine body, and guide shaft one, guide shaft two and guide shaft three disposed on the machine body; the feeding assembly includes a mounting plate, multiple strips, a drive shaft, a threaded column, a nut and a handle.

[0006] The inner wall of the plate strip is provided with protrusions, and the outer surface of the mounting plate is provided with a groove for the protrusions to slide in; the outer surface of the drive shaft is provided with a lower slider, and the bottom of each plate strip is provided with an upper slider that slides and engages with the lower slider.

[0007] Furthermore, the drive shaft is axially disposed inside the mounting plate and connected to one end of the threaded post, the nut is threadedly connected to the threaded post, the handle is connected to the nut, and a plurality of the strips are distributed circumferentially along the mounting plate.

[0008] Preferably, both the lower slider and the upper slider are wedge-shaped structures. The axial movement of the drive shaft causes the wedge-shaped surfaces of the lower slider and the upper slider to slide together, thereby converting the axial motion into the radial motion of the strip.

[0009] Preferably, the feeding assembly further includes a shaft at one end, and an upper fixed seat is provided on the machine body, the shaft being detachably inserted into the upper fixed seat.

[0010] Preferably, a stop block is also fitted on the threaded post, the stop block being located on one side of the nut and used to limit the movement of the nut.

[0011] Preferably, the first guide shaft and the second guide shaft are fixed to the machine body by a fixing flange; the third guide shaft is fixed to the outside of the machine body by a lower fixing seat.

[0012] Preferably, a baffle and a limiting ring are fitted on the first guide shaft; a baffle is fitted on the third guide shaft, which together limit the strip material.

[0013] Preferably, the bottom of the body is fixedly connected with a support leg to enhance the overall stability of the device.

[0014] Preferably, the threaded post is coaxially and fixedly connected to the drive shaft.

[0015] This utility model has the following beneficial effects: 1. In this utility model, by setting a radial expansion type feeding assembly consisting of a handle, nut, threaded column, drive shaft, slider and multiple strips, the problem of the existing technology being unable to accommodate strips without inner rings with different inner hole diameters, resulting in unstable installation, is solved. It achieves the technical effect of being able to conveniently and quickly adapt to and clamp strips of different specifications, with strong versatility and stable clamping.

[0016] 2. In this utility model, the strip is internally tightened by the expanded strips, and the guide shaft, limiting ring and baffle guide and limit the path of the strip. This solves the problem that the strip is easily damaged and the subsequent roll shearing accuracy is affected by the swaying of the strip on the feeding shaft and the unstable conveying path. It effectively prevents the strip from swaying and deviating, ensures the stability of the strip conveying, and thus protects the strip and improves the quality of subsequent processing.

[0017] 3. In this utility model, the axial linear motion of the drive shaft is converted into the radial motion of the strip by the wedge-shaped surface of the lower and upper sliders. At the same time, the protrusions on the strip slide with the grooves on the mounting plate for guidance. This solves the problems of uneven expansion force or motion jamming that may exist in existing expansion mechanisms, and achieves the technical effects of simple and reliable structure, accurate transmission, uniform expansion and stable motion guidance. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of a temporary roll shearing and feeding device for strip without an inner ring proposed in this utility model; Figure 2 This is a schematic diagram of the structure of the temporary roll shearing and feeding device for strip without an inner ring proposed in this utility model; Figure 3 This is a schematic diagram of the structure of a temporary roll shearing and feeding device for strip material without an inner ring, as proposed in this utility model. Figure 4 This is a schematic diagram of the mounting plate of a temporary roll shearing and feeding device for strip without an inner ring, as proposed in this utility model. Figure 5 This is a schematic diagram of the threaded column of a temporary roll shearing and feeding device for strip without an inner ring, as proposed in this utility model.

[0019] Legend: 1. Machine body; 2. Feeding assembly; 201. Threaded column; 202. Slat; 203. Shaft; 204. Nut; 205. Handle; 206. Stop block; 207. Upper slider; 208. Slide groove; 209. Protrusion; 210. Mounting plate; 211. Lower slider; 212. Drive shaft; 3. Baffle; 4. Guide shaft one; 5. Guide shaft two; 6. Guide shaft three; 7. Lower fixed seat; 8. Baffle plate; 9. Fixed flange; 10. Limit ring; 11. Support leg; 12. Upper fixed seat. Detailed Implementation

[0020] 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.

[0021] Reference Figures 1-5 This utility model provides a temporary roll shearing and feeding device for strip without an inner ring, which aims to solve the problem in the prior art that it is difficult to adapt to strips without an inner ring with different inner hole diameters, resulting in unstable feeding and easy damage to the strip.

[0022] The temporary roll shearing and feeding device for strip without inner ring includes a machine body 1, a feeding assembly 2 installed on the machine body 1, and guide shaft 4, guide shaft 5 and guide shaft 6 set on the machine body 1.

[0023] Specifically, the feeding assembly 2 includes a mounting plate 210, a plurality of strips 202 distributed circumferentially along the mounting plate 210, a drive shaft 212 axially disposed inside the mounting plate 210, a threaded post 201 connected to one end of the drive shaft 212, a nut 204 threadedly connected to the threaded post 201, and a handle 205 connected to the nut 204.

[0024] The internal structure and connection relationships of the feeding assembly 2 are described in detail below: Mounting plate 210 serves as the skeleton of feeding assembly 2, and its outer surface is provided with multiple grooves 208 extending radially therefrom.

[0025] Each strip 202 has a protrusion 209 fixedly connected to its inner wall. The protrusion 209 is slidably disposed inside the groove 208 of the mounting plate 210, so that the strip 202 can only slide radially along the groove 208.

[0026] The drive shaft 212 is coaxially and fixedly connected to the threaded post 201. A lower slider 211 is fixedly provided on the outer surface of the drive shaft 212, and an upper slider 207 is fixedly provided at the bottom of each strip 202. The upper slider 207 and the lower slider 211 are slidably engaged.

[0027] When the handle 205 is turned, the handle 205 drives the nut 204 to rotate. Under the threaded engagement with the threaded post 201, the nut 204 drives the threaded post 201 and the drive shaft 212 fixed to it to move axially.

[0028] In a preferred embodiment, both the lower slider 211 and the upper slider 207 are wedge-shaped structures. When the drive shaft 212 moves axially, relative sliding occurs between the wedge surfaces of the lower slider 211 and the upper slider 207. This sliding converts the axial movement of the drive shaft 212 into radial movement synchronously generated by all the strips 202, thereby expanding or shrinking the overall radius of the feeding assembly 2.

[0029] To further optimize this technical solution, this embodiment also provides the following preferred solutions: In a preferred embodiment, the feeding assembly 2 further includes a shaft 203 at one end, and an upper fixed seat 12 is fixedly connected to the machine body 1. The shaft 203 is detachably inserted into the upper fixed seat 12. This arrangement facilitates the operator to remove the entire feeding assembly 2 to load or unload the strip.

[0030] Furthermore, to prevent the nut 204 from being excessively unscrewed and dislodged during rotational adjustment, a stop 206 is also fitted on the threaded post 201. The stop 206 is located on one side of the nut 204 and serves to limit the axial movement range of the nut 204.

[0031] To construct a stable and precise strip conveying path, guide shaft 1 4 and guide shaft 2 5 are fixed to the machine body 1 by fixing flange 9, while guide shaft 3 6 is fixed to the outside of the machine body 1 by lower fixing seat 7, ensuring the accuracy of the position of each guide shaft.

[0032] Based on the above-mentioned guiding structure, in order to further prevent the strip from shifting laterally or falling off the guide shaft during the conveying process, a baffle 3 and a limiting ring 10 are fitted on the guide shaft 4, and a baffle 8 is fitted on the guide shaft 6. Together, they effectively constrain and guide the edge of the strip during the journey.

[0033] To ensure the overall stability of the entire device when placed on the ground and during operation, multiple support legs 11 are fixedly connected to the bottom of the main body 1.

[0034] In this embodiment, the threaded post 201 and the drive shaft 212 are coaxially fixedly connected to ensure that the adjustment movement generated by the handle 205 can be transmitted to the drive shaft 212 without loss.

[0035] Working principle: In use, first remove the feeding assembly 2 from the upper fixed seat 12 on one side of the machine body 1, and then put the strip without inner ring onto the outside of the multiple strips 202 in the contracted state; when the center hole of the strip is large, the operator can hold the mounting plate 210 and turn the handle 205. The handle 205 drives the nut 204 to rotate. The nut 204, in cooperation with the threaded structure of the threaded post 201, drives the threaded post 201 to move outward; since the threaded post 201 and the drive shaft 212 are fixedly connected, the drive shaft 212 moves together. The lower slider 211 on the surface of the drive shaft 212 will push the upper slider 207 at the bottom of the strip 202 outward; since the strip 202 slides in the groove 208 on the outside of the mounting plate 210 through the protrusion 209, the strip 202 is in the correct position. When the material is in the off-center position, it moves outward to expand the overall radius of the feeding assembly 2, so that the outer surface of the strip 202 tightly abuts against the inner wall of the strip without an inner ring, achieving a stable installation. During the adjustment process, the stop block 206 can prevent the nut 204 from disengaging from the threaded post 201. After the strip is installed, the shaft 203 of the feeding assembly 2 is reinserted into the upper fixed seat 12, and one end of the strip is passed sequentially through the guide shaft 4 and guide shaft 5 fixed by the fixed flange 9, and then through the guide shaft 6 fixed by the lower fixed seat 7. During the conveying process, the limiting ring 10 and baffle 3 on the guide shaft 4 and the baffle 8 on the guide shaft 6 can limit the strip and prevent it from falling off or shifting during processing. The support legs 11 at the bottom of the machine body 1 can ensure the stability of the entire equipment during operation.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A temporary roll shearing and unloading device for strip without an inner ring, comprising: Body (1); A feeding assembly (2) is mounted on the machine body (1); as well as Guide shaft one (4), guide shaft two (5) and guide shaft three (6) are provided on the body (1); The material feeding assembly (2) is characterized in that it comprises: Mounting plate (210); Multiple strips (202) are distributed circumferentially along the mounting plate (210). Each strip (202) has a protrusion (209) on its inner wall. The outer surface of the mounting plate (210) has a groove (208) for the protrusion (209) to slide therein. A drive shaft (212) is axially disposed inside the mounting plate (210). A lower slider (211) is disposed on the outer surface of the drive shaft (212). An upper slider (207) is disposed at the bottom of the strip (202) and is slidably engaged with the lower slider (211). A threaded post (201) is connected to one end of the drive shaft (212); Nut (204), which is threadedly connected to the threaded post (201); and The handle (205) is connected to the nut (204).

2. A coil inner race free strip temporary roll shear pay-off device according to claim 1 wherein: The feeding assembly (2) also includes a shaft (203) at one end; an upper fixed seat (12) is provided on the machine body (1), and the shaft (203) is detachably inserted into the upper fixed seat (12).

3. A coil inner race free strip temporary roll shear pay-off device according to claim 1 wherein: A stop (206) is also fitted on the threaded post (201), and the stop (206) is located on one side of the nut (204).

4. A coil inner race free strip temporary roll shear pay-off device according to claim 1 wherein: The first guide shaft (4) and the second guide shaft (5) are fixed to the body (1) by a fixed flange (9); the third guide shaft (6) is fixed to the outside of the body (1) by a lower fixed seat (7).

5. A coil inner race free strip temporary roll shear pay-off device as claimed in claim 1, wherein: A baffle (3) and a limiting ring (10) are fitted on the first guide shaft (4); a baffle (8) is fitted on the third guide shaft (6).

6. A coil inner race free strip temporary roll shear pay-off device as claimed in claim 1, wherein: The bottom of the body (1) is fixedly connected to a support leg (11).

7. A coil inner race free strip temporary roll shear pay-off device as claimed in claim 1, wherein: The threaded post (201) is coaxially and fixedly connected to the drive shaft (212).

8. A coil inner race free strip temporary roll shear pay-off device according to claim 1 wherein: Both the lower slider (211) and the upper slider (207) are wedge-shaped structures. The axial movement of the drive shaft (212) is achieved by sliding the wedge-shaped surfaces of the lower slider (211) and the upper slider (207) together, thereby driving the strip (202) to move radially.

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