CN216613281U - A roll changing structure for rapidly changing paper rolls - Google Patents

Abstract

The utility model relates to feeding equipment for paper production, in particular to a roll changing structure for quickly changing paper rolls, which comprises a support, wherein a supporting structure is arranged above the support, the supporting structure comprises a fixed block, a moving block and a lead screw, the fixed block is fixed above the support, a slide rail is arranged on the support in a protruding mode, the moving block is in sliding fit with the slide rail, the moving block can be close to or far away from the fixed block after moving along the slide rail, the lead screw is rotatably connected with the fixed block and is in threaded connection with the moving block, a first accommodating groove is formed above the fixed block, a second accommodating groove is formed above the moving block, and when the moving block is attached to the fixed block, the first accommodating groove and the second accommodating groove can be spliced to form an arc with the radian larger than 180 degrees. The utility model can quickly complete the replacement of the paper roll, and the process is simple and quick.

Description

A roll changing structure for rapidly changing paper rolls

technical field

The utility model relates to a feeding device for paper production, in particular to a roll changing structure for rapidly changing paper rolls.

Background technique

In the production process of paper products, the raw material is generally rolled base paper, which is processed and then rolled up and stored for subsequent secondary processing.

In the process of unwinding the base paper for one processing, the unwinding equipment needs to be used. With the gradual consumption of the base paper roll, the unwinding equipment needs to frequently replace the base paper roll to ensure the continuous processing.

At present, when the base paper roll is put into the unwinding process, a support rod is inserted into the hollow tube of the base paper roll axis, and the two ends of the support rod are sleeved with bearings. The unwinding device includes a support, and the support is provided with a roll-changing structure. The current roll-changing structure includes a support block, and an insertion hole is provided in the middle part of the support block. When installing the paper roll on the unwinding device, first place the paper roll in the middle of the bracket, and then insert the support rod from the support block on one side of the bracket, so that the support rod passes through the jack and the hollow at the center of the paper roll in turn. The hole for the tube and the support block on the other side completes the feeding process of the paper roll. In the above technology, the feeding process is complicated, which is not conducive to the rapid replacement of paper rolls.

Utility model content

The purpose of the utility model is to provide a roll changing structure for rapidly changing the paper roll, which achieves the effect of rapidly changing the paper roll.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions:

A roll-changing structure for rapidly changing paper rolls includes a bracket, a support structure is arranged above the bracket, the support structure includes a fixed block, a moving block and a screw rod, the fixed block is fixed above the bracket, and a sliding rail is protruded on the bracket, The moving block is slidably matched with the slide rail, and the moving block can move close to or away from the fixed block after moving along the slide rail. The screw rod is rotatably connected with the fixed block and is threadedly connected with the moving block. A first accommodating groove is opened above the fixed block. The upper part of the moving block is provided with a second accommodating groove. When the moving block and the fixed block are attached, the first accommodating groove and the second accommodating groove can be spliced together to form an arc with an arc greater than 180°.

By adopting the above technical solution, when the paper roll is replaced, the screw is rotated, and the screw drives the moving block to move along the slide rail, so that the moving block is far away from the fixed block. At this time, the support rod between the fixed block and the moving block can be removed from the bracket. Take it out directly from the top of the paper roll, and then put the support rod with the new paper roll installed between the fixed block and the moving block from the top of the bracket, and turn the screw again, so that the moving block slides along the slide rail to the fixed block, using the first The contour shapes of the first accommodating groove and the second accommodating groove clamp the bearing on the support rod to complete the replacement of the paper roll, and the process is simple and quick.

Preferably, the arc formed by splicing the first accommodating groove and the second accommodating groove is less than 360°, and the arc gap formed by splicing the first accommodating groove and the second accommodating groove faces upward.

By adopting the above technical solution, the difficulty of aligning and splicing the first accommodating groove and the second accommodating groove can be reduced.

Preferably, the tangent point between the first accommodating groove and the horizontal plane is located in the middle of the first accommodating groove.

By adopting the above technical solution, in the process of placing the support rod, the bearing on the support rod can be placed on the first accommodating groove independently and stably. , which can ensure the stability of the position of the stabilizer bar and reduce the difficulty of installation.

Preferably, the inner sides of the first accommodating groove and the second accommodating groove are protrudingly provided with a plurality of convex points.

By adopting the above technical solution, the friction force between the fixed block, the movable block and the bearing on the support rod can be improved, and the clamping effect can be improved.

Preferably, the fixing block is provided with a clamping structure, the clamping structure includes a pull rod and a pressure head, the upper end of the fixing block is provided with a first giving way groove, the upper end of the moving block is provided with a second giving way groove, and one end of the pull rod is provided with a second giving way groove. It is located in the first abdication slot and is hinged with the fixed block through a horizontal axis, the other end of the pull rod can be accommodated in the second give way groove, and the end of the pull rod away from the fixed block extends beyond the moving block, and the pressure head is threadedly connected with the pull rod and can be Abut against the side of the moving block that is far away from the fixed block.

By adopting the above technical solution, after the support rod is placed between the moving block and the fixed block to be clamped, the pull rod is rotated and accommodated in the second recess, and finally the indenter is rotated to make the indenter and the moving block tightly abutted. The stability of the position between the fixed block and the moving block is ensured, and the support rod can also be clamped twice by the fixed block and the moving block.

Preferably, the moving block includes a sliding part and a clamping part, the second accommodating groove and the second escaping groove are opened on the clamping part, the sliding part is slidingly matched with the sliding rail, and the bottom of the clamping part is close to the part of the fixed block It is hinged with the sliding part through the horizontal axis.

By adopting the above technical solution, the clamping part can rotate relative to the sliding part. At this time, under the action of the pull rod and the pressing head, the clamping part can be closer to the fixed block, thereby increasing the clamping force on the support rod and improving the stability of the installation. sex.

Preferably, the half part of the clamping part on the side close to the fixing block is inclined, and the inclination direction is from top to bottom, from the clamping part to the fixing block.

By adopting the above technical solution, when the support rod is placed between the fixed block and the movable block, the support rod can enter between the fixed block and the movable block more easily along the inclined portion of the clamping portion.

Preferably, the outer peripheral surface of the indenter is pressed by friction lines.

By adopting the above technical solution, the indenter can be twisted more conveniently.

To sum up, the utility model has the following technical effects:

1. By setting a fixed block, a moving block and a screw rod on the bracket, the effect of quickly replacing the paper roll is achieved;

2. By setting the clamping structure on the fixed block, the position between the fixed block and the movable block can be stabilized twice, and the clamping effect of lifting the fixed block and the movable block can be achieved.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present embodiment;

FIG. 2 is a front view highlighting the structure of the fixed block and the moving block.

In the figure, 1, bracket; 11, slide rail; 2, fixed block; 21, first accommodating slot; 22, first accommodating slot; 3, moving block; 31, second accommodating slot; 32, second 33. Sliding part; 34. Clamping part; 4. Screw rod; 5. Pull rod; 6. Indenter.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings. Wherein the same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "top", "bottom", "bottom" and "top" used in the following description refer to the Orientation, the words "inner" and "outer" refer respectively to directions toward or away from the geometric center of a particular component.

As shown in Figure 1, this embodiment introduces a paper changing structure for rapidly changing paper rolls, including a bracket 1. A support structure is arranged above the bracket 1. Before the paper roll is placed, a support rod is inserted into the hollow tube in the center of the paper roll. , Bearings are sleeved at both ends of the support rod. When installing the paper roll, the paper roll with the support rod is placed above the bracket 1, and the bearing of the support rod is located in the support structure. With the unwinding of the paper roll, the support rod will rotate with the paper roll to complete the unwinding.

As shown in FIG. 1 and FIG. 2 , the support structure of this embodiment includes a fixed block 2 , a moving block 3 and a screw rod 4 . The fixed block 2 is fixed above the bracket 1 , and a sliding rail 11 is protruded from the bracket 1 to move The block 3 is slidably matched with the slide rail 11 , and the moving block 3 can move close to or away from the fixed block 2 after moving along the slide rail 11 . When replacing the paper roll, turn the screw 4, the screw 4 drives the moving block 3 to move along the slide rail 11, so that the moving block 3 is far away from the fixed block 2, at this time, the support rod located between the fixed block 2 and the moving block 3 can be moved. Take it out directly from the top of the bracket 1, then put the support rod with the new paper roll installed between the fixed block 2 and the moving block 3 from the top of the bracket 1, and turn the screw 4 again, so that the moving block 3 slides along the sliding The rail 11 slides toward the fixed block 2, and the fixed block 2 and the moving block 3 are used to clamp the bearing on the support rod to complete the replacement of the paper roll. The process is simple and quick.

As shown in FIG. 1 and FIG. 2 , in order to improve the stability of clamping the support rod between the fixed block 2 and the moving block 3, a first accommodating groove 21 can be opened on the fixed block 2, and a second accommodating groove 21 can be opened on the moving block 3 Slot 31, when the fixed block 2 and the moving block 3 are attached to each other, the first accommodating groove 21 and the second accommodating groove 31 are spliced to form an arc with an arc greater than 180°, and the support rod is located between the first accommodating groove 21 and the second accommodating groove 31. In the space formed by the splicing of the second accommodating grooves 31 . If the arc after splicing is less than 360°, the arc gap formed by the splicing of the first accommodating groove 21 and the second accommodating groove 31 preferably faces upwards, so as to reduce the mutual distance between the first accommodating groove 21 and the second accommodating groove 31 The difficulty of alignment is also more favorable for the support rod to be placed in the first accommodating groove 21 and the second accommodating groove 31 .

In addition, in the process of placing the support rod, first place the support rod between the fixed block 2 and the movable block 3, and gradually clamp the support rod in the process of the movable block 3 gradually approaching the fixed block 2, and in this process The position of the support rods can be unstable, which makes the installation process of the clamps difficult. In order to solve this problem, as shown in FIGS. 1 and 2 , the position of the first accommodating groove 21 can be designed so that the tangent point between the first accommodating groove 21 and the horizontal plane is located in the middle of the first accommodating groove 21 In this way, there are other arc surfaces on both sides of the lowest point of the first accommodating groove 21, and the support rod can be in a very stable state after being placed on the first accommodating groove 21, which is beneficial for the moving block 3 to be close to the fixed block 2. The support rod is clamped. A plurality of convex points can also be protruded on the inner sides of the first accommodating groove 21 and the second accommodating groove 31, and the convex points can be used to increase the friction force with the support rod, thereby improving the clamping degree.

The movable block 3 may be set as an integral structure or may be set as a split structure. In this embodiment, the movable block 3 is described as a split structure. As shown in FIG. 1 and FIG. 2 , the movable block 3 includes a sliding part 33 and a clamping part 34 , the second accommodating groove 31 is opened on the clamping part 34 , the sliding part 33 is slidably matched with the sliding rail 11 , and the clamping part 34 The position of the bottom close to the fixed block 2 is hinged with the sliding part 33 through a horizontal axis.

As shown in FIG. 1 and FIG. 2 , a clamping structure is provided on the fixing block 2 , and the clamping structure includes a pull rod 5 and a pressing head 6 . The upper end of the fixing block 2 is provided with a first abdication groove 22 , and the clamping part 34 The upper end of the pull rod 5 is provided with a second give way slot 32, one end of the pull rod 5 is located in the first give way groove 22 and is hinged with the fixing block 2 through the horizontal axis, and the other end of the pull rod 5 can be accommodated in the second give way groove 32, And the end of the tie rod 5 away from the fixing block 2 extends beyond the clamping part 34, the indenter 6 is threadedly connected with the tie rod 5 and can abut with the side of the clamping part 34 away from the fixing block 2, and the outer peripheral surface of the indenter 6 is pressed with friction lines , in order to rotate the indenter 6. When the support rod is placed between the clamping part 34 and the fixed block 2, the sliding part 33 and the clamping part 34 are driven by the screw rod 4 to be close to the fixed block 2 to complete the clamping of the support rod, and then the pull rod 5 is rotated and accommodated in the first In the second recess 32, finally rotate the indenter 6 to make the indenter 6 abut against the clamping part 34, so as to ensure the stability of the position between the fixing block 2 and the clamping part 34, and the fixing block 2 and the clamping part 34 can also be used. The part 34 re-clamps the support rod.

In addition, as shown in FIG. 2 , in order to facilitate the support rod to enter between the fixing block 2 and the clamping part 34 , the half part of the clamping part 34 close to the fixing block 2 can be inclined, and the inclination direction is from top to bottom. , from the clamping part 34 to the direction of the fixed block 2 . At this time, when the support rod is placed between the fixed block 2 and the movable block 3 , the support rod can enter between the fixed block 2 and the movable block 3 more easily along the inclined portion of the clamping portion 34 .

This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications to the present embodiment without creative contribution as needed after reading this specification, but only within the scope of the present invention All new types of claims are protected by the patent law.

Claims (8)

1. A roll-changing structure for rapidly changing paper rolls, comprising a support (1), and a support structure is provided above the support (1), characterized in that the support structure comprises a fixed block (2), a moving block (3) and a screw rod (4), the fixed block (2) is fixed above the bracket (1), the bracket (1) is protruded with a sliding rail (11), and the moving block (3) is slidingly matched with the sliding rail (11). After the block (3) moves along the slide rail (11), it can approach or move away from the fixed block (2). A first accommodating groove (21) is opened on the upper part of the moving block (3), and a second accommodating groove (31) is opened on the upper part of the moving block (3). The accommodating groove (21) and the second accommodating groove (31) can be joined together to form a circular arc with an arc greater than 180°. 2. The roll-changing structure for rapidly changing paper rolls according to claim 1, wherein the arc formed by the splicing of the first accommodating groove (21) and the second accommodating groove (31) is less than 360°, and The arc gap formed by the splicing of the first accommodating groove (21) and the second accommodating groove (31) faces upward. 3 . The roll changing structure for rapidly changing paper rolls according to claim 2 , wherein the tangent point between the first accommodating groove ( 21 ) and the horizontal plane is located in the middle of the first accommodating groove ( 21 ). 4 . 4. The roll changing structure for rapidly changing paper rolls according to claim 2, characterized in that, the inner sides of the first accommodating groove (21) and the second accommodating groove (31) are protruded and provided with multiple a bump. 5. The roll changing structure for rapidly changing paper rolls according to any one of claims 2-4, wherein the fixing block (2) is provided with a clamping structure, and the clamping structure comprises a pull rod (5) and a pressure The head (6), the upper end of the fixed block (2) is provided with a first giving way groove (22), the upper end of the moving block (3) is provided with a second giving way groove (32), and one end of the pull rod (5) is located in the first The other end of the pull rod (5) can be accommodated in the second give way groove (32), and the pull rod (5) is away from the fixed block (2) and is hinged with the fixing block (2) through a horizontal axis. One end of the ) protrudes beyond the moving block (3), and the indenter (6) is threadedly connected with the pull rod (5) and can abut with the side of the moving block (3) away from the fixed block (2). 6 . The roll changing structure for rapidly changing paper rolls according to claim 5 , wherein the moving block ( 3 ) comprises a sliding part ( 33 ) and a clamping part ( 34 ), and the second accommodating groove ( 31 ) ) and the second escaping groove (32) are provided on the clamping part (34), the sliding part (33) is slidingly matched with the sliding rail (11), and the bottom part of the clamping part (34) close to the fixing block (2) is in contact with the The sliding part (33) is hinged through a horizontal shaft. 7. The roll changing structure for rapidly changing paper rolls according to claim 6, characterized in that the half part of the clamping portion (34) close to the side of the fixing block (2) is inclined, and the inclined direction is from top to bottom, From the clamping part (34) to the direction of the fixed block (2). 8 . The roll changing structure for rapidly changing paper rolls according to claim 5 , wherein the outer peripheral surface of the pressing head ( 6 ) is pressed by friction patterns. 9 .

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