CN204309327U - For the production of the machine of cardboard tube - Google Patents

Abstract

A kind of machine for the production of cardboard tube, for producing cardboard tube by one or more cardboard lath screw winding being become partly overlapping on each other, described machine comprises multiple shaping group, and described multiple shaping group is supported by same structure (S) and is arranged to relative to each other flatly and interlock vertically; Each in described shaping group (1,2) comprises the device for the production of cardboard tube, can produce multiple cardboard tube to make described machine simultaneously.The major advantage produced by the utility model is, can produce the cardboard tube of larger quantity and the speed of service without the need to increasing take-up strap.

Description

For the production of the machine of cardboard tube

Technical field

The utility model relates to a kind of machine for the production of cardboard tube, especially for the machine of paper conversion industry.

Background technology

It is known that, in paper conversion industry, the rigid pipe (being also called " core (core) ") be made up of hardboard produced by machine (being also called core winding machine (core-winders)) for the production of stereoplasm tube, paper roll is rolled up or " roundwood (log) " to be formed on described rigid pipe, it is divided into the more unit with predetermined length subsequently, to obtain multireel toilet paper, multireel paper for kitchen etc.

Above mentioned pipe is made up of cardboard lath, by described cardboard lath from corresponding spool unwinding, and is then spirally wound on and has on the metal main shaft of horizontal axis, and be glued to each other to form self-support type tubular structure.Usually, according to the thickness desired by core to be produced, use two or three cardboard laths.Also possibly, produce core with single cardboard lath and use the unwind unit of customization.Cardboard lath partly overlap each other and, by being wrapped in the splayed band on two guide rollers, they to be pushed forward, until obtain the tubulose cardboard core advanced along this main shaft around described main shaft winding.Described band is also wound around by the main shaft around core winding machine, to engage cardboard lath.By special cutter unit, described tubulose cardboard core is cut into predetermined length, described predetermined length roughly corresponds to will by the length of the roundwood of other production of machinery, and other machine described is commonly referred to as " rewinding machine (rewinders) ".

Previously described, for the production of the regular machinery (or core winding machine) of cardboard tube, there is specific shortcoming, that is, output increased can not be exceeded scheduled volume.In fact, which imply that the excessive increase of the speed of take up roll, thus cause tearing of cardboard lath because cardboard lath stands caused excessive stress.In other words, by improving the speed of service and the development of spiral on main shaft of shaping group, cardboard lath stands the stress increased gradually.When exceeding threshold values speed, the stress on cardboard lath cause cardboard lath the take-up strap of shaping group and by cardboard lath from breaking between the spool of its unwinding.

Therefore, in order to make up the temporary transient increase of the output of roundwood, in most of paper conversion device, other core winding machine is placed; Described other core winding machine keeps not used or fully not used usually, has obvious economy and organizes shortcoming.

Summary of the invention

Main purpose of the present utility model eliminates or reduces above mentioned shortcoming at least significantly.

According to the utility model, this result is realized by having following machine, a kind of machine for the production of cardboard tube, for producing cardboard tube by one or more cardboard lath screw winding being become partly overlapping on each other, it is characterized in that, described machine comprises multiple shaping group, and described multiple shaping group is supported by same structure and is arranged to relative to each other flatly and interlock vertically; And each in described shaping group comprises the device for the production of cardboard tube, multiple cardboard tube can be produced to make described machine simultaneously.

Preferably, described machine comprises two shaping groups, is suitable for producing two cardboard tubes to make described machine simultaneously.

Preferably, each in described shaping group comprises: two forming rolls, and a forming rolls in described forming rolls is connected to corresponding motor, thus is vehicularized, and described corresponding motor controls the rotation of described forming rolls with predetermined angular speed; And band, described band be wound in described forming rolls and there is horizontal axis corresponding main shaft on form figure of eight figure, the forming rolls of each shaping group is positioned on opposite side relative to described corresponding main shaft, the forming rolls of each shaping group is by corresponding metal plate support, described metallic plate supports corresponding motor from opposition side, and each in described metallic plate has rear attachment, described metallic plate is fixed to described structure by described rear attachment.

Preferably, described shaping group is a bottom shaping group and a top shaping group, and described bottom shaping group and top shaping group are arranged such that the axis being parallel of the forming rolls of bottom shaping group is in the horizontal base of described structure, and the axis of the forming rolls of top shaping group is downward-sloping.

Preferably, described shaping group is arranged such that the axis of described forming rolls is vertical.

Preferably, described shaping group is independent of one another.

Preferably, two sizes of described machine are less than the twice of the corresponding size of each shaping group.

The major advantage produced by the utility model is, can produce the cardboard tube of larger quantity and the speed of service without the need to increasing take-up strap, therefore the speed of service of take-up strap is held in certain limit, to make the minimizing possibility making cardboard lath break.In addition, get up according to manufacture described in the utility model relatively simple, there is the obstruction suitable with the obstruction of conventional core winding machine (encumbrance) or the obstruction less significantly than the obstruction of two conventional core winding machines, and described machine has relevant with provided advantage, relatively low cost.In addition, according to described in the utility model, for the production of the machine of cardboard tube operation and without any need for special training.

Accompanying drawing explanation

By following description also by reference to the accompanying drawings, any technical staff in field belonging to the utility model will understand these and other advantage and feature of the present utility model better, described accompanying drawing provides as actual example of the present utility model, and should not be considered to restrictive, wherein:

Fig. 1 be according to the first embodiment of the present utility model, for the production of the front-view schematic diagram of the machine of cardboard tube, wherein some parts not shown are to illustrate other parts better;

Fig. 2 is the schematic side view of the core winding machine of Fig. 1;

Fig. 3 is the exploded sketch of the core winding machine shown in Fig. 1 and Fig. 2;

Fig. 4 is the front-view schematic diagram of the core winding machine according to another embodiment of the present utility model;

Fig. 5 is the schematic side view of the core winding machine shown in Fig. 4; And

Fig. 6 is the schematic top plan view of the core winding machine shown in Fig. 4 and Fig. 5, and wherein some parts not shown are to illustrate other parts better.

Detailed description of the invention

Be reduced to it basic structure and with reference to the example shown in figure 1-3, according to described in the utility model, to comprise for the production of the machine of cardboard tube or core winding machine and be positioned over two independently shaping groups on same supporting construction S or unit 1,2.Described forming unit 1, each in 2 comprises: two roller 1a, 1b; 2a, 2b, 1b, a 2b in described roller are vehicularized, that is be connected to corresponding motor or gear motor 1m, 2m, described corresponding motor or gear motor 1m, 2m determine the rotation of described roller with predetermined angular speed; And band 1c, 2c, described band 1c, 2c are wound at described roller 1a, 1b; 2a, 2b and have the corresponding main shaft 1d of horizontal axis, 2d forms the figure of eight.The roller of each shaping group is positioned on opposite side by relative to described corresponding main shaft.

The roller 1a of each forming unit 1,2,1b; 2a, 2b are supported by corresponding metallic plate 1e, 2e, and described metallic plate 1e, 2e are at the corresponding gear motor 1m of opposition side (rear side) upper support; 2m.Described plate 1e; Each in 2e has rear attachment 1f, 2f, and described plate 1e, 2e are fixed to the vertical inwall S1 of described structure S by described rear attachment 1f, 2f.

According to known operation sequence, described band 1c; The cardboard lath (not shown) that each joint in 2c one or more (such as, two) glueds joint in advance, forces described hardboard bar to be wound on corresponding main shaft 1d; 2d is upper and at corresponding main shaft 1d; The upper advance of 2d, produce the pipe formed by spiral cardboard lath, described pipe advances along main-shaft axis with certain speed, and described speed is by motorization roller 1b; The speed of 2b is determined.At main shaft 1d; The downstream of each in 2d is placed with corresponding cutter unit (not shown), and described cutter unit is with predetermined length laterally cutting hard paper tube.

In the example of Fig. 1, Fig. 2 and Fig. 3, each other vertically and the shaping group 1 flatly departed from, the 2 roller 1a being arranged such that bottom shaping group 1, the axis 1g of 1b, 1h is parallel to the base S2 (it is level) of structure S, and the axis 2g of the roller 2a of top shaping group 2,2b, 2h are downward-sloping.The axis 2g of the roller 2a of top shaping group 2,2b, 2h angle of inclination is with respect to the horizontal plane such as between 5 ° to 20 °.10 ° are equaled in the example that described angle of inclination is shown in the figure.Identical inclination relates to above-mentioned plate 1e, 2e.In fact, the rear surface 10f of annex 1f (the plate 1e of bottom shaping group 1 is fixed to the wall S1 of structure S by it) is vertical, and the corresponding surperficial 20f of the annex 2f of top forming unit 2 is what tilt.The present embodiment represents a possible example and shaping group 1 and 2 is connected to structure S to make to obtain roller 1a, the orientation predicted of the axis of 1b and 2a, 2b.

Due to shaping group 1,2 are oriented to not only flatly interlock but also interlock vertically in structure S, and top forming unit 2 is what tilt as described earlier, so reduce height H and the length L of structure S, but produce while allowing two pipes (in bottom shaping group 1 and another in top shaping group 2) and do not disturb another component organized (especially by one group of pipe produced, with reference to the example shown in figure 1-3, the cardboard tube produced by bottom shaping group 1 does not disturb the component of top shaping group 2).

In example in fig. 1-3, the main shaft 1d of two shaping groups, 2d are parallel to each other and directed according to the length L of structure S.

Fig. 4-6 illustrates another embodiment of the present utility model.In those views, Reference numeral has the meaning described by above reference first example.

According to the example shown in Fig. 4, Fig. 5 and Fig. 6, shaping group 1,2 flatly and depart from each other and be arranged such that the roller 1a that is correlated with, 1b vertically; The axis 1g of 2a, 2b, 1h; 2g, 2h are all directed vertically, that is relevant plate 1e, 2e is flatly directed.Main shaft 1d, 2d are parallel to each other and for level.Top forming unit 2 is supported by the level frame S3 of structure S, and bottom forming unit 1 is supported by the lower base S2 of described structure S.Especially, plate 1e, 2e are parallel between which, as shown in Figure 6, and directed diagonally by the rear wall S1 relative to structure S.Shaping group 1, the degree of depth P reducing structure S is allowed in this kind of setting of 2, produce while allowing two pipes (in bottom shaping group 1 and another in top shaping group 2) simultaneously, avoid the device disturbing another to organize by one group of pipe produced.

According to the utility model, same structure S comprises two independently shaping groups 1,2 and has achieved the machine simultaneously can producing two cardboard tubes.Although shaping group 1, each in 2 is run (for avoiding core winding machine common shortcoming when being used with high speed) with the speed of the maximal rate of allowing lower than the feature of used cardboard lath, but the hourly output of described machine is generally speaking higher.Such as, use the shaping group that two identical, if each in described two shaping groups is with 75% of its rated capacity running, then total output per hour equals 150% of the output of each group.In addition, shaping group 1,2 be arranged such that the overall size of described machine be less than the size of two single conventional machines and.The symbol used in reference-view, the example according to shown in Fig. 1 and Fig. 2: L=2b, a<H<2a, c<P<2c; But according to the example of Fig. 4, Fig. 5 and Fig. 6: P=c, a<L<2a, H=2b.In other words, in each in shown two examples, two size (H and P in the example of Fig. 1 and Fig. 2 of machine; L and P in the example of Fig. 4, Fig. 5 and Fig. 6) be less than the twice of the corresponding size of each shaping group.

In above-mentioned two examples, shaping group 1,2 is relative to each other located so that vertically and is flatly interlocked, and is positioned such that route that the cardboard tube formed on the main shaft of a shaping group is followed does not disturb device or the component of another shaping group.

Described two shaping groups such as can supply with the machine with feature disclosed in EP1545867, and the content with reference to described EP1545867 obtains more detailed description.In practice, for relevant with described and each element illustrated and their layout, performing details can change by any equivalent way, and does not depart from the scope of taked solution and be therefore held in the boundary of the protection of authorizing this patent.

Claims (7)

1. the machine for the production of cardboard tube, for producing cardboard tube by one or more cardboard lath screw winding being become partly overlapping on each other, it is characterized in that, described machine comprises multiple shaping group, and described multiple shaping group is supported by same structure (S) and is arranged to relative to each other flatly and interlock vertically; And each in described shaping group (1,2) comprises the device for the production of cardboard tube, multiple cardboard tube can be produced to make described machine simultaneously.

2. the machine for the production of cardboard tube according to claim 1, is characterized in that, described machine comprises two shaping groups (1,2), is suitable for producing two cardboard tubes to make described machine simultaneously.

3. the machine for the production of cardboard tube according to claim 1 and 2, it is characterized in that, each in described shaping group comprises: two forming rolls (1a, 1b, 2a, 2b), described forming rolls (1a, 1b, 2a, a forming rolls (1b, 2b) 2b) is connected to corresponding motor (1m; 2m), thus be vehicularized, described corresponding motor (1m; The rotation of described forming rolls 2m) is controlled with predetermined angular speed; And band (1c, 2c), described band (1c, 2c) be wound at described forming rolls (1a, 1b, 2a, 2b) and there is the corresponding main shaft (1d of horizontal axis, 2d) upper formation figure of eight figure, the forming rolls of each shaping group is positioned on opposite side relative to described corresponding main shaft, each shaping group (1,2) forming rolls (1a, 1b, 2a, 2b) by corresponding metallic plate (1e; 2e) support, described metallic plate (1e; 2e) support corresponding motor (1m, 2m) from opposition side, and described metallic plate (1e; Each 2e) has rear attachment (1f, 2f), described metallic plate (1e; 2e) be fixed to described structure (S) by described rear attachment (1f, 2f).

4. the machine for the production of cardboard tube according to claim 3, it is characterized in that, described shaping group is a bottom shaping group (1) and a top shaping group (2), and described bottom shaping group (1) and top shaping group (2) are arranged such that the forming rolls (1a of bottom shaping group (1), axis (1g 1b), 1h) be parallel to the horizontal base (S2) of described structure (S), and the forming rolls of top shaping group (2) (2a, axis (2g, 2h) 2b) is downward-sloping.

5. the machine for the production of cardboard tube according to claim 3, is characterized in that, described shaping group is arranged such that the axis (1g, 1h, 2g, 2h) of described forming rolls (1a, 1b, 2a, 2b) is for vertical.

6. according to the aforementioned machine for the production of cardboard tube according to claim 1, it is characterized in that, described shaping group is independent of one another.

7. according to the aforementioned machine for the production of cardboard tube according to claim 1, it is characterized in that, two sizes of described machine are less than the twice of the corresponding size of each shaping group.