CN219899712U

CN219899712U - Novel manual expansion and contraction scroll of rewinding machine

Info

Publication number: CN219899712U
Application number: CN202320226267.7U
Authority: CN
Inventors: 曹捷; 赵清
Original assignee: Shanghai An Shine Technology Co ltd
Current assignee: Shanghai An Shine Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-10-27
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a novel manual expansion and contraction reel of an rewinding machine, and belongs to the technical field of metallurgical mechanical equipment. The device comprises a main shaft and a collapsible scroll structure arranged on the main shaft, wherein the collapsible scroll structure comprises a screw, a screw sleeve, a pressing block, a T-shaped block, a pyramid block and a sector plate; the main shaft outside circumference is equipped with a plurality of pyramid pieces, and pyramid piece and main shaft sliding fit, and pyramid piece outside circumference corresponds and is equipped with a plurality of sector plates, and the briquetting butt is in the big tip of pyramid piece, the T type piece is installed on the lateral part on the pyramid piece, the pyramid piece slides in the T type inslot that is equipped with on the sector plate medial part through the T type piece on the lateral part. According to the utility model, through the interaction of the screw rod and the screw rod sleeve, the pyramid block is pushed by the pressing plate and the pressing block, the T-shaped block is arranged on the pyramid block, and the T-shaped groove matched with the T-shaped block is arranged on the inner side part of the sector plate, so that the sector plate distributed circumferentially is enlarged or reduced, the hydraulic structure of the traditional mechanical expansion shaft is canceled, and the manufacturing cost is greatly reduced.

Description

Novel manual expansion and contraction scroll of rewinding machine

Technical Field

The utility model relates to a novel manual expansion and contraction reel of a rewinding machine, and belongs to the technical field of metallurgical mechanical equipment.

Background

The coiling machine is auxiliary equipment of a rolling mill for coiling hot rolled or cold rolled steel into a coil shape, and is arranged behind a finished product stand on a hot strip steel continuous rolling mill (a hot continuous rolling unit), a cold strip steel continuous rolling mill and a wire rolling mill; the single-stand reversible cold strip rolling mill is arranged at the front and back of the rolling mill. In addition, it is also installed in various finishing units such as continuous pickling unit, slitting, annealing, coating, etc. Coiling machines are used in many industries, and the steel plate coiling machines in the metallurgical industry are most representative, and the driving is from electric power and fluid.

In an aluminum strip finishing plate strip production workshop, particularly on a slitting line of a thin shear, the requirement on the coiling precision of a coiling machine is very high, and the precision requirement of a finished product is as follows: the staggered layer tolerance is not more than 0.1mm, the tower tolerance is not more than 0.5mm, the burr height is 0.015, and the width tolerance is +/-0.03 mm. However, the phenomenon that certain coil stock rolls on the same car are staggered is avoided, and in order to improve the yield under the condition that the surface quality of products can meet the use conditions, finished coil stock rolls with end face quality defects are reeled, and the coil stock with unqualified heads and tails can be removed, so that the quality defects of the original staggered layers, tower shapes, flanging, slumping, unreeling and the like are eliminated.

The traditional scroll is generally an expansion shaft or a pneumatic expansion shaft driven by a hydraulic cylinder, the expansion shaft has a complex structure and high cost, and for a single-disc rewinding product, the mechanism in the thin material rewinding unit is required to be simple in structure, efficient and easy to maintain.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a mechanism for completing the rewinding function simply and efficiently with low cost, and the reel achieves the swelling and shrinking effect by manually screwing a screw at the end part of the reel.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme:

the novel manual expansion and contraction scroll of the rewinding machine comprises a main shaft and an expansion and contraction scroll structure arranged on the main shaft, wherein the expansion and contraction scroll structure comprises a screw rod, a screw rod sleeve, a pressing block, a T-shaped block, a pyramid block and a sector plate;

the screw rod sleeve is arranged at the end part of the main shaft, and the screw rod is in threaded connection with the screw rod sleeve;

a pressing block is arranged at the end part of the screw rod;

the main shaft outside circumference is equipped with a plurality of pyramid pieces, pyramid piece and main shaft sliding fit, pyramid piece outside circumference corresponds and is equipped with a plurality of sector plates, the pyramid piece includes big tip, tip and outside, briquetting butt in the big tip of pyramid piece, the T type piece is installed on the lateral part on the pyramid piece, the pyramid piece slides in the T type inslot that is equipped with on the sector plate medial part through the T type piece on the lateral part.

As a preferred example, the collapsible reel structure further comprises a guide mechanism, wherein the guide mechanism comprises a cross block and an I-shaped key, the cross block is arranged on the main shaft and is positioned at the rear end of the sector plate, and the cross block is uniformly provided with I-shaped keys, the number and the positions of which correspond to the sector plate;

the rear end of each sector plate is provided with a guide groove matched with the I-shaped key.

As a preferable example, the outer side of each sector plate is detachably provided with a diameter-increasing plate.

As a preferable example, the outer side part of the sector plate is provided with a threaded hole, and the diameter-increasing plate is detachably connected with the sector plate through a screw.

As a preferable example, the front end of the screw rod is fixedly provided with a lining plate, the screw rod at the front side of the lining plate is sleeved with a pressing plate, the screw rod at the rear side of the lining plate is sleeved with a pressing block, and the pressing plate is connected with the pressing block through a screw.

The beneficial effects of the utility model are as follows:

(1) According to the novel manual expansion and contraction scroll of the rewinding machine, through interaction of the screw rod and the screw rod sleeve, the pyramid block is pushed by the pressing plate and the pressing block, the T-shaped block is arranged on the pyramid block, the T-shaped groove matched with the T-shaped block is formed in the inner side part of the sector plate, so that the sector plate distributed circumferentially is expanded or contracted, the manual scroll is suitable for manual expansion and contraction of a single plate material, the hydraulic structure of the traditional mechanical expansion shaft is canceled, and the manufacturing cost is greatly reduced;

(2) According to the utility model, the guide mechanism is arranged on the main shaft and comprises the cross block and the I-shaped key arranged on the cross block, the rear end surface of the sector plate is provided with the guide groove matched with the I-shaped key, and the I-shaped key is matched with the guide groove to ensure that the sector plate stably expands and contracts;

(3) According to the utility model, the diameter-increasing plates with different sizes can be arranged on the outer side part of each sector plate, so that the scroll is suitable for material rolls with different inner diameter specifications, and the applicability of more dies is realized;

(4) According to the utility model, the front end of the screw is fixedly provided with the lining plate, the screw at the front side of the lining plate is sleeved with the pressing plate, the screw at the rear side of the lining plate is sleeved with the pressing block, the pressing plate is connected with the pressing block through the screw, and the pressing block is detachably connected with the pressing plate and the screw, so that the pressing plate is convenient to disassemble, assemble, maintain and replace.

Drawings

Fig. 1 is a schematic structural view of a manual collapsible reel according to an embodiment of the present utility model.

In the figure:

1. a main shaft; 2. a spindle box; 3. a cross block; 4. an I-shaped key; 5. a first platen; 6. a sector plate; 7. t-shaped structure a groove; 8. a screw sleeve; 9. a T-shaped block; 10. pyramid blocks; 11. briquetting; 12. a lining plate; 13. a second pressing plate; 14. a screw; 15. and a diameter-increasing plate.

Detailed Description

The utility model will be further described with reference to the following detailed drawings and examples, in order to make the technical means, the creation features, the achievement of the objects and the effects of the utility model easily understood.

The utility model relates to the technical field of metallurgical mechanical equipment, in particular to an uncoiling and coiling device in a plate and strip material uncoiling unit in an aluminum strip finishing production workshop, a traditional coiling shaft is generally an expansion shaft or a pneumatic expansion shaft pushed by a hydraulic cylinder, the structure and the cost of the expansion shaft are relatively high, and for a single-disc recoiling product, a mechanism which is low in cost, simple and efficient and can complete the recoiling function is provided, and the utility model provides a manual expansion coiling shaft (shown in figure 1). The effective length of the scroll is 350mm, and the expansion and contraction range phi 240-phi 260mm (the true circle phi 250 mm) is suitable for a sleeve with the diameter phi 250 mm. The diameter-increasing ring can be changed into true circles phi 300mm, phi 400mm and phi 500mm so as to be suitable for strips with different winding cores. The reel achieves the expansion and contraction effect of the reel by manually screwing the screw rod at the end of the reel. In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:

examples:

as shown in fig. 1, the embodiment of the utility model provides a novel manual expansion and contraction reel of a rewinding machine, which comprises a spindle box 2, a spindle 1 and an expansion and contraction reel structure arranged on the spindle 1, wherein the expansion and contraction reel structure mainly comprises a screw 14, a screw sleeve 8, a pressing block 11, a T-shaped block 9, a pyramid block 10 and a sector plate 6.

The main shaft 1 is installed in the main shaft box 2, and the main shaft 1 is used for supporting all other components. The screw sleeve 8 is arranged at the front end part of the main shaft 1, and the screw 14 is in screw connection with the screw sleeve 8. The front end of the screw 14 is provided with a pressing block 11.

The circumference is equipped with four pyramid pieces 10 outside main shaft 1, four pyramid pieces 10 and main shaft 1 sliding fit, pyramid piece 10 outside circumference corresponds and is equipped with four sector plates 6, pyramid piece 10 is including big tip, tip and lateral part, as shown in fig. 1, pyramid piece 10 front side is big tip, the diameter is great, pyramid piece 10 rear side is the tip, the diameter is less, from big tip to tip diameter taper, briquetting 11 rear side is provided with the step groove, briquetting 11 passes through the step groove butt on pyramid piece 10's big tip, T type piece 9 is installed on the lateral part on pyramid piece 10, pyramid piece 10 slides in the T type groove 7 that is equipped with on sector plate 6 medial part through T type piece 9 on the lateral part.

By screwing the screw 14, the pressing block 11 pushes the pyramid block 10 to slide on the spindle 1, and the four sector plates 6 expand or contract along with the movement of the pyramid block 10, and the sector plates 6 distributed circumferentially.

The manual expansion and contraction scroll in the embodiment of the utility model is suitable for manual expansion and contraction of single disc materials, the hydraulic structure of the traditional mechanical expansion shaft is canceled, and the manufacturing cost is greatly reduced.

Preferably, the collapsible reel structure further comprises a guiding mechanism, the rear end of each sector plate 6 is provided with a guiding groove matched with each H-shaped key 4, the guiding mechanism comprises a cross block 3 and H-shaped keys 4, the cross block 3 is arranged on the main shaft 1 and located at the rear end of each sector plate 6, four indexing slots are formed in the cross block, the number and positions of the H-shaped keys 4 corresponding to the sector plates 6 are uniformly arranged on the cross block 3, one end of each H-shaped key is fixed in the H-shaped keys by the first pressing plate 5, the other end of each H-shaped key is arranged in the guiding groove at the rear end of each sector plate 6, the radial guiding function of each sector plate 6 is achieved, the H-shaped keys 4 are matched with the guiding grooves, and stable collapse of the sector plates 6 is guaranteed.

Preferably, nylon diameter-increasing plates 15 are detachably arranged on the outer side parts of each sector plate 6, and diameter-increasing plates 15 with different sizes can be arranged on the outer side parts of each sector plate 6, so that the scroll is suitable for material rolls with different inner diameter specifications, and more die applicability is realized.

As a preferred example, the outer side of the sector plate 6 is provided with a threaded hole, and each diameter-increasing plate 15 is detachably connected with each sector plate 6 by a screw.

As a preferred example, the front end of the screw rod 14 is fixedly provided with the lining board 12, the screw rod 14 at the front side of the lining board 12 is sleeved with the second pressing plate 13, the screw rod 14 at the rear side of the lining board 12 is sleeved with the pressing block 11, and the second pressing plate 13 is connected with the pressing block 11 through a screw, so that the dismounting, the maintenance and the replacement are facilitated.

Working principle:

as shown in figure 1, the expansion and contraction scroll of the utility model is characterized in that a square head of a screw rod 14 is manually screwed, the screw rod 14 and a screw rod sleeve 8 interact, a pyramid block 10 is pushed by a pressing plate and a pressing block 11, a T-shaped block 9 is arranged on the pyramid block 10, a T-shaped groove 7 matched with the T-shaped block 9 is arranged on the inner side part of a sector plate 6, a guide groove matched with an I-shaped key 4 is arranged on the rear end surface of the sector plate, and the two grooves interact to expand or contract the sector plate 6 distributed circumferentially. The surface of the sector plate 6 is provided with threaded holes, and nylon diameter-increasing plates 15 with different sizes can be installed, so that the scroll is suitable for material rolls with different inner diameter specifications. The reel is arranged in the main shaft box 2, and the winding production can be completed by the transmission of the motor reduction gearbox.

The foregoing description and shows the general principles, features and advantages of the utility model. It will be appreciated by persons skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of numerous variations and modifications without departing from the essential spirit and scope of the utility model, which are intended to fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The novel manual expansion and contraction reel of the rewinding machine is characterized by comprising a main shaft (1) and an expansion and contraction reel structure arranged on the main shaft (1), wherein the expansion and contraction reel structure comprises a screw (14), a screw sleeve (8), a pressing block (11), a T-shaped block (9), a pyramid block (10) and a sector plate (6);

the screw rod sleeve (8) is arranged at the end part of the main shaft (1), and the screw rod (14) is in threaded connection with the screw rod sleeve (8);

a pressing block (11) is arranged at the end part of the screw rod (14);

the novel rotary spindle is characterized in that a plurality of pyramid blocks (10) are arranged on the outer circumference of the spindle (1), the pyramid blocks (10) are slidably matched with the spindle (1), a plurality of sector plates (6) are correspondingly arranged on the outer circumference of the pyramid blocks (10), each pyramid block (10) comprises a large end part, a small end part and an outer side part, each press block (11) is abutted to the large end part of each pyramid block (10), each T-shaped block (9) is arranged on the outer side part of each pyramid block (10), and each pyramid block (10) slides in a T-shaped groove formed in the inner side part of each sector plate (6) through the corresponding T-shaped block (9) on the outer side part.

2. The novel manual expansion and contraction reel of the rewinding machine according to claim 1, wherein the expansion and contraction reel structure further comprises a guide mechanism, the guide mechanism comprises a cross block (3) and an I-shaped key (4), the cross block (3) is arranged on a main shaft (1) and is positioned at the rear end of a sector plate (6), and the I-shaped keys (4) which are corresponding to the sector plate (6) in number and position are uniformly arranged on the cross block (3);

the rear end of each sector plate (6) is provided with a guide groove matched with the I-shaped key (4).

3. The novel manual expansion and contraction reel of the rewinding machine according to claim 1, wherein the outer side part of each sector plate (6) is detachably provided with a diameter-increasing plate (15).

4. A novel manual expansion and contraction reel of a rewinding machine according to claim 3, wherein the outer side part of the sector plate (6) is provided with a threaded hole, and the diameter-increasing plate (15) is detachably connected with the sector plate (6) through a screw.

5. The novel manual expansion and contraction reel of the rewinding machine according to claim 1, wherein a lining plate (12) is fixedly arranged at the front end of the screw rod (14), a pressing plate is sleeved on the screw rod (14) at the front side of the lining plate (12), a pressing block (11) is sleeved on the screw rod (14) at the rear side of the lining plate (12), and the pressing plate is connected with the pressing block (11) through a screw.