CN208617010U - A kind of plastics paper core - Google Patents

Abstract

The utility model discloses a kind of plastics paper cores, it applies in the field of paper industry manufacture, solves the technical problem that core tube portion in existing paper industry production process is easily damaged and dismounting is inconvenient, its key points of the technical solution are that including core pipe and casing, described sleeve pipe includes annulus end block and the end pipe fixed with annulus end block, the both ends of the core pipe are equipped with opening, the both ends of described sleeve pipe and core pipe are detachably connected, the inner wall of the core pipe both ends open is equipped with multiple L shape slots along its circumferencial direction, the L shape slot includes strip elongated slot and annular groove, the outside side wall of described sleeve pipe is equipped with the multiple and mating L shape inserted block of L shape slot, the L shape inserted block includes strip inserted block and ring block, the ring block and annular groove are mating, the annulus end block is equipped with jack far from the side side wall where end pipe, it is plugged in the jack Locking bar has and facilitates the technical effect that producers carry out dismounting maintenance to core tube portion.

Description

A kind of plastics paper core

Technical field

The utility model relates to paper industry manufacturing field, in particular to a kind of plastics paper core.

Background technique

For paper machine during carrying out paper production, production and processing personnel need to carry out on a large amount of paper coiling, existing Auxiliary coiling is mostly carried out using paper core in some production technologies, the later period is facilitated to transport.

Notification number is that the Chinese patent of CN203512989U discloses a kind of glass reinforced plastic paper core, it includes cylinder glass Steel tube body, the inner wall of the glass reinforced plastic tube body are provided with a plurality of axial raised line, and the both ends of glass reinforced plastic tube body are plugged with end cap Cylindric adapter, the outer wall of adapter is provided with a plurality of axial notch to match with axial raised line.

Although tubular adapter is more in actual use although this paper core can be realized the stabilization coiling of paper roll It is insecure to change constant and installation, can not ensure good coiling effect.

Utility model content

The purpose of the utility model is to provide a kind of plastics paper cores, its advantage is that facilitating the replacement and dimension of later period paper core Shield, easy disassembly.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of plastics paper core, Including core pipe and casing, described sleeve pipe includes annulus end block and the end pipe fixed with annulus end block, and the both ends of the core pipe are equipped with The both ends of opening, described sleeve pipe and core pipe are detachably connected, and the inner wall of the core pipe both ends open is equipped with more along its circumferencial direction A L shape slot, the L shape slot include strip elongated slot and annular groove, and the outside side wall of described sleeve pipe is equipped with multiple and L shape slot Mating L shape inserted block, the L shape inserted block include strip inserted block and ring block, and the ring block and annular groove are mating, the circle Ring end block is equipped with jack far from the side side wall where end pipe, is plugged with locking bar in the jack.

Through the above technical solutions, by both ends open grafting from casing to core pipe when, L in the end pipe partial sidewall of casing Shape inserted block first slides along strip elongated slot under the effect of external force along L shape slot grafting, strip inserted block and ring block, when ring block and annular groove Annulus end block and core pipe port contradict when bottom contradicts, by producers' rotating casing, so that ring block turns in annular groove simultaneously It realizes fully mated, to limit axial relatively movable between casing and core pipe, while the grafting locking bar into jack, makes Locking bar inlay card is obtained in the gap of strip inserted block and strip elongated slot, so that rotation of the limiting boot relative to core pipe, ensures Also facilitate maintenance and dismounting of producers' later period to core tube portion while good paper coiling effect.

The utility model is further arranged to: the locking bar includes long strip block and step block, the annulus end block Side wall is equipped with the boss for step block inlay card.

Through the above technical solutions, step block inlay card in boss, so that the side wall of annulus end block keeps neat, reduces It is exposed after locking bar insertion to act bring interference effect to loose winding.

The utility model is further arranged to: the bottom of the boss is equipped with threaded hole, spiral shell on the side wall of the step block Line is connected with clamping screw.

Through the above technical solutions, after step block inlay card is in boss, producers can be with by rotation lock bolt It realizes being bonded between step block and boss, has ensured the stable and firm of locking bar insertion.

The utility model is further arranged to: the side wall of the long strip block is equipped with elastic friction block.

Through the above technical solutions, elastic friction block helps to reduce the gap between long strip block and strip inserted block, so that Relative position is fixed between casing and core pipe, while also reducing the abrasion in swapping process to long strip block part.

The utility model is further arranged to: the inside of the core pipe, which is equipped with, reinforces rib.

Through the above technical solutions, reinforcing rib helps to enhance the structural strength in the middle part of core pipe, ensure after coiling paper The stabilization compressive property of core pipe.

The utility model is further arranged to: the middle part of the annulus end block is equipped with rectangular sleeve joint hole, the sleeve joint hole Inner wall is equipped with antislip cog.

Through the above technical solutions, rectangular sleeve joint hole is inserted into for the shaft of loose winding equipment, reduces round hole and match with circular shaft The relative rotation that may occur is closed, while antislip cog also further enhances rubbing between loose winding shaft in rectangular sleeve joint hole It wipes, improves the stability of socket rotation.

The utility model is further arranged to: the side that the annulus end block and paper roll contradict is equipped with chamfering.

Through the above technical solutions, chamfering can the paper to coiling carry out guiding correction, facilitate paper coiling process Middle coiling work, reduces interference of the paper coiling in the process with annulus end block part.

The utility model is further arranged to: the side wall at the core pipe both ends is equipped with multiple circular holes, and the circular hole is along core The circumferencial direction of pipe is distributed, and inlay card has the latch segment for contradicting end pipe side wall in the circular hole.

Through the above technical solutions, after completing the socket of core pipe and casing, producers' inlay card latch segment into circular hole, So that latch segment and end pipe sidewall extrusion, the activity that may occur between further limiting boot and core pipe.

In conclusion the utility model has the following beneficial effects:

1. facilitating production and processing personnel in time to core tube portion by being detachably connected between casing and core pipe Replacement has ensured the normal coiling work of paper roll;

2. the cooperation of the inlay card of latch segment and circular hole helps to further enhance the degree that is connected firmly between casing and core pipe, Reduce the disengaging that core pipe and casing may occur after compression.

Detailed description of the invention

Fig. 1 is for showing embodiment core pipe partial structure diagram；

Fig. 2 is for showing embodiment middle sleeve partial structure diagram；

Fig. 3 is the enlarged drawing of A in Fig. 2；

Fig. 4 is to reinforce rib partial structure diagram in embodiment for showing；

Fig. 5 is for showing locking bar structural schematic diagram in embodiment.

Appended drawing reference: 1, core pipe；2, casing；21, annulus end block；22, end pipe；3, L shape slot；31, strip elongated slot；32, Annular groove；4, L shape inserted block；41, strip inserted block；42, ring block；5, jack；51, locking bar；511, long strip block；512, step block； 513, boss；514, threaded hole；515, clamping screw；6, elastic friction block；7, reinforce rib；8, sleeve joint hole；81, antislip cog； 9, chamfering；10, circular hole；11, latch segment.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment: a kind of plastics paper core, as depicted in figs. 1 and 2, including core pipe 1 and casing 2, casing 2 include annulus end Block 21 and the end pipe 22 fixed with annulus end block 21 are equipped with opening at the both ends of core pipe 1, when producers need to carry out paper During coiling, casing 2 and the both ends open of core pipe 1 are socketed, so that paper coiling passes through winding shaft in 1 part of core pipe The coiling and loose winding that socket with casing 2 drives to realize entire paper roll act.

In view of will receive larger pressure in actual paper wrapup procedure, need to keep stable between casing 2 and core pipe 1 Socket relationship is just able to achieve good compressive property, reduces the activity for 1 part of paper core being likely to occur during paper loose winding. Multiple L shape slots 3 are equipped with along its circumferencial direction in the inner wall of 1 both ends open of core pipe, L shape slot 3 includes strip elongated slot 31 and ring Slot 32, strip elongated slot 31 are distributed along the axial direction of core pipe 1, and annular groove 32 is circumferentially distributed along core pipe 1.The outside side wall of end pipe 22 simultaneously It is equipped with the multiple and mating L shape inserted block 4 of L shape slot 3, L shape inserted block 4 includes strip inserted block 41 and ring block 42, ring block 42 Width it is identical as the groove width of strip elongated slot 31, while can satisfy between ring block 42 and annular groove 32 adequately mating.

When producers are inserted into casing 2 into core pipe 1, the strip of L shape inserted block 4 in end pipe 22 to 3 part of L shape slot Elongated slot 31 is inserted into, when the slot bottom of ring block 42 and annular groove 32 contradicts, producers' rotating casing 2, so that ring block 42 is in outer masterpiece It can be slid along annular groove 32 under, so that ring block 42 and annular groove 32 sufficiently cooperate, meet nothing between casing 2 and core pipe 1 at this time Method realizes axial relative displacement.Since there are still gaps in strip elongated slot 31, the relative position of casing 2 is still unlocked, in circle Ring end block 21 is equipped with jack 5 far from the side side wall where end pipe 22, and it is as shown in Figure 5 to be plugged with locking bar 51(in jack 5), Locking bar 51 include long strip block 511 and step block 512, long strip block 511 can inlay card enter in strip elongated slot 31, realize and strip The conflict of inserted block 41 limits the relative rotation that casing 2 may occur.

As depicted in figs. 1 and 2, it is contemplated that in actual production environment, high-intensitive rotation will affect the pine between each component It is dynamic, as shown in Figure 5 in long strip block 511() side wall to be equipped with elastic friction block 6(as shown in Figure 5), elastic friction block 6 can reduce Gap between long strip block 511 and strip elongated slot 31 also reduces possible abrasion in 511 swapping process of long strip block.Together When on the side wall of annulus end block 21 be equipped with for 512 inlay card of step block boss 513(it is as shown in Figure 3), long strip block 511 completely insert It can satisfy step block 512 and 513 inlay card of boss after entering, exposed bring may be occurred to loose winding movement by reducing locking bar 51 Interference.It is as shown in Figure 3 that threaded hole 514(is additionally provided in the bottom of boss 513), it is threaded on the side wall of step block 512 Clamping screw 515(is as shown in Figure 5), clamping screw 515 and the cooperation of threaded hole 514 can further limit locking bar 51 Position is fixed, so that the offset for limiting casing 2 relative to core pipe 1 rotates.

As shown in Figure 1, multiple circular holes 10 are additionally provided on the side wall at 1 both ends of core pipe simultaneously, circumference of the circular hole 10 along core pipe 1 Directional spreding, after completing the socket of casing 2 and core pipe 1, producers' inlay card latch segment 11 into circular hole 10, latch segment 11 Keep with end pipe 22(it is as shown in Figure 2) sidewall extrusion contradict, it is as shown in Figure 2 that casing 2(can be further increased) with core pipe 1 it Between stabilization matching relationship, reduce interacting between casing 2 and core pipe 1.

As shown in Figure 2 and Figure 4, eccentric by the circumference of different directions during practical loose winding due to entire paper core 1 Power is equipped in the inside of core pipe 1 and reinforces rib 7, can enhance the structural strength of core pipe 1, improve the crushing resistance of entire 1 part of core pipe Energy.It is acted in order to facilitate the loose winding of producers, is equipped with rectangular sleeve joint hole 8, the inner wall of sleeve joint hole 8 at the middle part of annulus end block 21 Equipped with antislip cog 81, by the cooperation of rectangular shaft and rectangular sleeve joint hole 8 reduce paper core 1 may generation with shaft it Between relative rotation, antislip cog 81 also increases the friction between shaft and casing 2, further limits sky that may be present Turn sliding.

As shown in Fig. 2, being additionally provided with chamfering 9 in the side that annulus end block 21 and paper roll contradict, chamfering 9 can be to the paper of coiling Zhang Jinhang correcting error guidance reduces the lengthy and jumbled phenomenon occurred during paper coiling.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of plastics paper core, including core pipe (1) and casing (2), described sleeve pipe (2) include annulus end block (21) and and annulus The fixed end pipe (22) of end block (21), it is characterized in that: the both ends of the core pipe (1) are equipped with opening, described sleeve pipe (2) and core pipe (1) both ends are detachably connected, and the inner wall of core pipe (1) both ends open is equipped with multiple L shape slots (3) along its circumferencial direction, The L shape slot (3) includes strip elongated slot (31) and annular groove (32), and the outside side wall of described sleeve pipe (2) is equipped with multiple and L shape The mating L shape inserted block (4) of slot (3), the L shape inserted block (4) include strip inserted block (41) and ring block (42), the ring block (42) mating with annular groove (32), the annulus end block (21) is equipped with jack far from the side side wall where end pipe (22) (5), locking bar (51) are plugged in the jack (5).

2. a kind of plastics paper core according to claim 1, it is characterized in that: the locking bar (51) includes long strip block (511) and step block (512), the side wall of the annulus end block (21) are equipped with the boss for step block (512) inlay card (513).

3. a kind of plastics paper core according to claim 2, it is characterized in that: the bottom of the boss (513) is equipped with screw thread Hole (514) is threaded with clamping screw (515) on the side wall of the step block (512).

4. a kind of plastics paper core according to claim 3, it is characterized in that: the side wall of the long strip block (511) is equipped with bullet Property friction block (6).

5. a kind of plastics paper core according to claim 1, it is characterized in that: the inside of the core pipe (1), which is equipped with, reinforces rib (7).

6. a kind of plastics paper core according to claim 1, it is characterized in that: the middle part of the annulus end block (21) is equipped with side The inner wall of shape sleeve joint hole (8), the sleeve joint hole (8) is equipped with antislip cog (81).

7. a kind of plastics paper core according to claim 1, it is characterized in that: what the annulus end block (21) and paper roll contradicted Side is equipped with chamfering (9).

8. a kind of plastics paper core according to claim 1, it is characterized in that: also being set on the side wall at the core pipe (1) both ends Have multiple circular holes (10), the circular hole (10) is distributed along the circumferencial direction of core pipe (1), and the interior inlay card of the circular hole (10) has conflict end Manage the latch segment (11) of (22) side wall.