High-precision tension control leather compression roller

Abstract

The utility model discloses a high-precision tension control leather compression roller which comprises a leather compression roller core and a roller sleeve, and a plurality of through holes are formed in the position, close to the outer edge, of the roller sleeve. The through hole is provided with a gap penetrating through the outer wall; limiting rings on the two sides for positioning the roller sleeve are arranged outside the leather compression roller core in a sleeving mode, and a blocking structure for blocking the outer sides of the limiting rings is arranged on the leather compression roller core. Comprising a convex ring located on the outer side of the limiting ring, a plurality of blocking inner grooves are formed outside the leather compression roller core, springs and blocking pieces are arranged in the blocking inner grooves, blocking outer grooves are formed in the inner wall of the convex ring, and the head ends of the blocking pieces are clamped in the blocking outer grooves; the rotating roller sleeve drives air flow to enter the through holes, the air flows at the through holes to cool the edge of the roller sleeve, the through holes are communicated with the outer wall of the roller sleeve through the gaps, an annular cooling belt can be formed inside and outside the outer edge of the roller sleeve, friction heat is reduced, and the roller sleeve is more durable. And during rotation, under the action of centrifugal force and spring extrusion, the blocking piece cannot return, so that accurate and stable positioning of the roller sleeve is kept.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of textile silk tension guide roller, concretely relates to a high-precision tension control leather pressure roller. BACKGROUND

[0002] The leather pressure roller is used as the tension guide roller during silk conveying, plays a guiding and tension adjusting role during silk processing, can be installed on the execution end of the high-precision tension control air cylinder through the mounting plate, and can change the distance between the leather pressure roller and the silk through the extension and retraction of the air cylinder piston rod, so that the tension is adjusted and the silk is precisely conveyed.

[0003] The tension guide roller needs to keep conveying the silk for a long time, the leather roller cover is matched with the central roller shaft to convey, the silk is guided through the friction of the leather roller cover surface, the silk is easily abraded due to the friction heat on the surface of the leather roller cover caused by the contact between the leather roller cover and the silk, and the leather roller cover is not easy to assemble and disassemble because the leather roller cover is generally directly sleeved and fixed with the central roller shaft. CONTENT

[0004] The utility model provides a high-precision tension control leather pressure roller, the rotation of the roller cover drives the air flow to enter a plurality of through holes, the air flow is flowed through the through hole and is given to the edge of the roller cover to carry out cooling, the through hole is communicated with the outer wall of the roller cover through the gap, the annular cooling zone is formed in the outer edge of the roller cover, the friction heat is reduced, and the roller cover is more durable, when rotating, the blocking piece does not return under the action of centrifugal force and spring extrusion, so that the accurate and stable positioning of the roller cover is maintained, and the problems in the above background technology are solved.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a high-precision tension control leather pressure roller, which comprises a leather pressure roller core, the leather pressure roller core is sleeved with a roller cover, a plurality of through holes penetrating through the front and rear sidewalls are arranged on the roller cover close to the outer edge, and the through holes are arranged around the leather pressure roller core.

[0006] Preferably, the through hole is provided with a gap penetrating through the outer wall in the direction parallel to the central axis.

[0007] Preferably, the central axis of the through hole and the axis direction of the leather pressure roller core have an angle, that is, the through hole is arranged obliquely.

[0008] Preferably, the outer wall of the leather pressure roller core is tightly attached to the inner wall of the roller cover, a plurality of spaced limiting convex strips are arranged on the inner wall of the roller cover along the length direction, the outer wall of the leather pressure roller core is provided with a limiting groove matched therewith, and the leather pressure roller core is sleeved with a positioning mechanism for positioning the roller cover.

[0009] Preferably, the positioning mechanism comprises limiting rings on both sides of the roller cover, and the skin press roller core is provided with a blocking structure for blocking the outside of the limiting rings.

[0010] Preferably, the blocking structure comprises a convex ring on the outside of the limiting ring, a gap is arranged between the convex ring and the outer wall of the skin press roller core, the outer wall of the skin press roller core is equally divided around the center and is provided with a plurality of blocking inner grooves, springs and blocking pieces are arranged in the blocking inner grooves, and the inner wall of the convex ring is provided with a blocking outer groove corresponding to the blocking inner groove, and the blocking piece is clamped in the blocking outer groove through the head end under the spring pressure.

[0011] Preferably, the outer wall of the convex ring is provided with a through groove penetrating the blocking outer groove.

[0012] Preferably, the limiting ring does not cover the through hole.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The rotating roller cover drives the air flow to enter the plurality of through holes, the air flow at the through holes flows to the edge of the roller cover for cooling, the through holes are communicated with the outer wall of the roller cover through the gap, an annular cooling zone is formed inside and outside the outer edge of the roller cover, the friction heat is reduced, and the roller cover is more durable.

[0015] 2. When rotating, the blocking piece does not return under the action of the centrifugal force and the spring extrusion, so that the accurate and stable positioning of the roller cover is maintained, meanwhile, the blocking piece is pushed back to the blocking inner groove by synchronously inserting a plurality of through grooves with external objects, the limiting ring can be disassembled, and the roller cover can be conveniently disassembled and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a roller cover structural schematic diagram of the utility model;

[0018] Figure 3 It is a roller cover local side view structural schematic diagram of the utility model;

[0019] Figure 4 It is a front view sectional view structural schematic diagram of the utility model;

[0020] Figure 5 It is Figure 4 A magnified structural schematic diagram of the utility model;

[0021] Figure 6 It is a limiting ring and convex ring side view structural schematic diagram of the utility model.

[0022] In the figure: 1, the skin pressure roller core; 2, the roller cover; 3, the through hole; 4, the gap; 5, the limiting convex strip; 6, the limiting groove; 7, the limiting ring; 8, the convex ring; 9, the blocking inner groove; 10, the spring; 11, the blocking piece; 12, the blocking outer groove; 13, the through groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-6 The utility model provides a kind of high-precision tension control skin pressure roller, including skin pressure roller core 1, the roller cover 2 is equipped with in the skin pressure roller core 1, the roller cover 2 is equipped with multiple through holes 3 passing through front and back sidewall near outer edge, the through hole 3 is arranged around the skin pressure roller core 1 equal division;When roller cover 2 is guided by friction holding contact with silk strip, rotating roller cover 2 will drive air flow to enter multiple through holes 3, and air flow is flowed through through hole 3 to further cool the edge of roller cover 2;Reduce friction heat, and roller cover 2 is more durable.

[0025] Specifically, the through hole 3 is provided with a gap 4 passing through the outer wall in the direction parallel to the central axis;In this embodiment, the through hole 3 is communicated with the outer wall of the roller cover 2 through the gap 4, which can form an annular cooling zone inside and outside the outer edge of the roller cover 2, further reduce the friction heat, and the roller cover 2 is more durable.

[0026] Specifically, the central axis of the through hole 3 has an angle with the axis direction of the skin pressure roller core 1, i.e. the through hole 3 is inclined to be arranged;In this embodiment, the design of the inclined through hole 3 reduces the resistance of the roller cover 2 when the air flow enters and exits, which is beneficial to the air flow.

[0027] Specifically, the outer wall of the skin pressure roller core 1 is tightly attached to the inner wall of the roller cover 2;The inner wall of the roller cover 2 is provided with a plurality of spaced limiting convex strips 5 in the length direction, the outer wall of the skin pressure roller core 1 is provided with a limiting groove 6 matched therewith, and the skin pressure roller core 1 is provided with a positioning mechanism for positioning the roller cover 2;In this embodiment, the roller cover 2 is inserted into the limiting groove 6 of the skin pressure roller core 1 through the limiting convex strip 5, which can limit the skin pressure roller core 1 and the roller cover 2, and keep synchronous rotation.

[0028] Specifically, the positioning mechanism includes limiting rings 7 located on both sides of the roller cover 2, and the skin pressure roller core 1 is provided with a blocking structure for blocking the outer side of the limiting ring 7;In this embodiment, the roller cover 2 is positioned on both sides by the limiting rings 7 on both sides.

[0029] Specifically, the blocking structure comprises a convex ring 8 outside the limiting ring 7, a gap is arranged between the convex ring 8 and the outer wall of the skin pressure roller core 1, the outer wall of the skin pressure roller core 1 is equally divided into a plurality of blocking inner grooves 9 around the center, the blocking inner grooves 9 are internally provided with springs 10 and blocking pieces 11, the inner wall of the convex ring 8 is provided with blocking outer grooves 12 corresponding to the blocking inner grooves 9, and the blocking pieces 11 are clamped in the blocking outer grooves 12 through the pressure of the springs 10; in the embodiment, the convex ring 8 can be locked through the blocking pieces 11 entering the blocking outer grooves 12 on both sides, the limiting ring 7 is locked synchronously, and the blocking pieces 11 cannot return under the action of centrifugal force during rotation, so that the accurate and stable positioning of the roller cover 2 is maintained.

[0030] Specifically, the outer wall of the convex ring 8 is provided with through grooves 13 penetrating the blocking outer grooves 12; in the embodiment, the limiting ring 7 can be disassembled by synchronously inserting a plurality of external objects into the through grooves 13 to push the blocking pieces 11 back to the blocking inner grooves 9, and the roller cover 2 can be conveniently disassembled and replaced.

[0031] Specifically, the limiting ring 7 does not cover the through hole 3; in the embodiment, the limiting ring 7 avoids interfering with the air flow at the through hole 3.

[0032] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail below.

[0033] Working principle: during textile processing, the roller cover 2 plays a role of guiding and tension adjusting of the yarn through the skin pressure roller core 1, and the roller cover 2 can be installed on the execution end of a high-precision tension control air cylinder through the mounting plate, the distance between the roller cover 2 and the yarn can be changed through the extension and retraction of the air cylinder piston rod, so that the tension adjustment is realized; when the roller cover 2 and the yarn are in contact for guiding in a frictional and holding manner, the rotating roller cover 2 can drive the air flow to enter a plurality of through holes 3, the design of the inclined through holes 3 reduces the resistance of the roller cover 2 when the air flow enters and exits, the air flow at the through holes 3 further cools the edges of the roller cover 2, the through holes 3 are connected to the outer wall of the roller cover 2 through the gaps 4, and an annular cooling zone is formed inside and outside the outer edge of the roller cover 2, so that the friction heat is reduced and the roller cover 2 is more durable; at the same time, the skin pressure roller core 1 and the roller cover 2 can be positioned through the insertion of the roller cover 2 into the limiting groove 6 of the skin pressure roller core 1 through the limiting convex strip 5, the synchronous rotation can be maintained, the roller cover 2 is positioned on both sides through the limiting rings 7 on both sides, the convex ring 8 can be locked through the blocking pieces 11 entering the blocking outer grooves 12 on both sides, the limiting ring 7 is locked synchronously, and the blocking pieces 11 cannot return under the action of centrifugal force during rotation, so that the accurate and stable positioning of the roller cover 2 is maintained, at the same time, the limiting ring 7 can be disassembled by synchronously inserting a plurality of external objects into the through grooves 13 to push the blocking pieces 11 back to the blocking inner grooves 9, and the roller cover 2 can be conveniently disassembled and replaced.

[0034] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A high-precision tension control skin press roll comprising a skin press roll core (1), characterized in that, The skin pressure roller core (1) is sleeved with a roller cover (2), the roller cover (2) is provided with a plurality of through holes (3) penetrating the front and rear sidewalls near the outer edge, and the through holes (3) are equally arranged around the skin pressure roller core (1).

2. The high-precision tension control skin press roller according to claim 1, characterized in that, The through holes (3) are provided with slits (4) penetrating the outer wall in the direction parallel to the central axis.

3. The high-precision tension control skin press roller according to claim 1, characterized in that, The central axis of the through holes (3) has an angle with the axis direction of the skin pressure roller core (1), that is, the through holes (3) are arranged obliquely.

4. The high-precision tension control skin press roller according to claim 1, wherein, The outer wall of the skin pressure roller core (1) is in close contact with the inner wall of the roller cover (2); the inner wall of the roller cover (2) is provided with a plurality of spaced limiting convex strips (5) in the length direction, the outer wall of the skin pressure roller core (1) is provided with a limiting groove (6) matched therewith, and the skin pressure roller core (1) is sleeved with a positioning mechanism for positioning the roller cover (2).

5. The high-precision tension control skin press roller according to claim 4, characterized in that, The positioning mechanism comprises limiting rings (7) located on both sides of the roller cover (2), and the skin pressure roller core (1) is provided with a blocking structure for blocking the outer side of the limiting ring (7).

6. The high-precision tension control skin press roller according to claim 5, characterized in that, The blocking structure comprises a convex ring (8) located on the outer side of the limiting ring (7), a gap is formed between the convex ring (8) and the outer wall of the skin pressure roller core (1), a plurality of blocking inner grooves (9) are equally arranged around the center of the outer wall of the skin pressure roller core (1), a spring (10) and a blocking piece (11) are arranged in the blocking inner groove (9), and a blocking outer groove (12) corresponding to the blocking inner groove (9) is arranged on the inner wall of the convex ring (8), and the blocking piece (11) is clamped in the blocking outer groove (12) by the head end under the pressure of the spring (10).

7. The high-precision tension control skin press roller according to claim 6, characterized in that The outer wall of the convex ring (8) is provided with a through groove (13) penetrating the blocking outer groove (12).

8. The high-precision tension control skin press roller according to claim 7, characterized in that, The limiting ring (7) does not cover the through hole (3).

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