CN216324449U - Rolling device - Google Patents

Abstract

The utility model discloses a rolling device, comprising: the first roller pressing group comprises a first pressing roller, a first groove is formed in the roller pressing surface of the first pressing roller, a second roller pressing group is arranged on the roller pressing surface of the first pressing roller, the second roller pressing group is arranged at the downstream of the conveying direction of the workpiece to be machined and comprises a second pressing roller, a second groove is formed in the roller pressing surface of the second pressing roller and is aligned with the first groove in the conveying direction of the workpiece to be machined, and the first groove and the second groove are matched with the protruding shape. According to the rolling equipment, the first rolling group and the second rolling group are arranged, so that a workpiece to be machined can be rolled for multiple times, the machining precision of the workpiece to be machined is guaranteed, the first groove is aligned with the second groove, the utilization rate of materials is improved, the energy consumption of the rolling equipment is reduced, and the production efficiency is improved.

Description

Rolling device

Technical Field

The utility model relates to the technical field of battery connecting sheet manufacturing, in particular to rolling equipment.

Background

The prior art is a mode of punching through a die, the mode has high requirements on die design and equipment pressure, and the raised structure precision of a product is difficult to ensure by one-time punching.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a rolling device which can ensure the processing precision of the workpiece to be processed.

According to the present invention, a rolling apparatus for forming a projection on a member to be worked by roll forming, the rolling apparatus includes: the first roller pressing group comprises a first pressing roller, a first groove is formed in the roller pressing surface of the first pressing roller, a second roller pressing group is arranged on the roller pressing surface of the first pressing roller, the second roller pressing group is arranged at the downstream of the conveying direction of the workpiece to be machined and comprises a second pressing roller, a second groove is formed in the roller pressing surface of the second pressing roller and is aligned with the first groove in the conveying direction of the workpiece to be machined, and the first groove and the second groove are matched with the protruding shape.

According to the rolling equipment, the first rolling group and the second rolling group are arranged, rolling can be carried out on a workpiece to be processed for multiple times, when the workpiece to be processed passes through the first groove, the formed protrusion is rolled, when the workpiece passes through the second groove, the protrusion is easier to be rolled again after the protrusion is formed by primary rolling, the processing precision of the workpiece to be processed is ensured, the first groove is aligned with the second groove, the structural precision of the protrusion formed by rolling on the workpiece to be processed is improved, the utilization rate of materials is improved, the whole structure of the rolling equipment is simple, the production and maintenance are convenient, the energy consumption of the rolling equipment is reduced, and the production efficiency is improved.

In some embodiments, the width of the first groove in the axial direction of the first press roll is greater than the width of the second groove in the axial direction of the second press roll.

In some embodiments, the first groove is annular extending in a circumferential direction of the first press roller, and the second groove is annular extending in a circumferential direction of the second press roller.

In some embodiments, the first groove width direction centerline is collinear with the second groove width direction centerline.

In some embodiments, the first groove comprises a plurality of grooves, and the plurality of first grooves are arranged on the first pressing roller at intervals in the axial direction; the second grooves comprise a plurality of grooves, the second grooves are arranged on the second pressing roller at intervals in the axial direction, and the first grooves correspond to the second grooves one to one.

In some embodiments, the width of the first groove and/or the second groove in the axial direction is in the range of 0.1mm-3 mm; the depth of the first groove and/or the second groove in the radial direction is in the range of 0.1mm to 3 mm.

In some embodiments, the depth in the radial direction of the first groove and/or the second groove is no greater than 5 mm.

In some embodiments, the first groove and/or the second groove is provided with a vertical section and a tapered section, the tapered section is connected to the inner end of the vertical section in the radial direction, and the depth of the tapered section is not more than 2 mm.

In some embodiments, the tapered section tapers in cross-sectional area in the axial direction, and the apex angle of the tapered section is no greater than 120 °.

In some embodiments, the first roll set further comprises a first matching roll, a first rolling channel is arranged between the first matching roll and the first press roll, and the workpiece to be machined is suitable for being arranged in the first rolling channel in a penetrating mode; the second rolling group further comprises a second matching roller, a second rolling channel is arranged between the second matching roller and the second pressing roller, and the workpiece to be machined is suitable for penetrating through the second rolling channel.

In some embodiments, the roll surfaces of the first mating roll and the second mating roll are both smooth cylindrical surfaces.

In some embodiments, the first roll stack further comprises: the first adjusting mechanism is used for adjusting a gap between the first matching roller and the first pressing roller; the second rolling group further comprises: and the second adjusting mechanism is used for adjusting the gap between the second matching roller and the second pressing roller.

In some embodiments, the rolling apparatus further comprises: and the unwinding mechanism is arranged at the upstream of the first roller group and used for unwinding the workpiece to be processed.

In some embodiments, the member to be machined is a metal sheet or a metal plate.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic view of a rolling apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of the first roll stack shown in FIG. 1;

FIG. 3 is a schematic view of the first groove shown in FIG. 2;

FIG. 4 is a schematic view of the second roll-to-roll stack shown in FIG. 1;

FIG. 5 is a schematic view of the second groove shown in FIG. 4;

FIG. 6 is a schematic view of a first adjustment mechanism;

FIG. 7 is a schematic view of a second adjustment mechanism;

FIG. 8 is a schematic view of a bump roll-formed by the first roll stack of FIG. 2;

FIG. 9 is a schematic view of a bump roll-formed by the second roll stack of FIG. 4;

FIG. 10 is an enlarged schematic view of the first groove shown in FIG. 3;

FIG. 11 is an enlarged schematic view of the second groove shown in FIG. 5;

fig. 12 is a schematic diagram of a top view of the first and second roll stacks shown in fig. 1.

Reference numerals:

the roll-in apparatus 100 is configured such that,

the first roll stack 1 is then rolled up,

a first adjusting mechanism 11, a top rod 111, a bearing seat 112, a wedge block 113,

a first pressing roller 12, a first groove 121, a vertical section 1211, a tapered section 1212,

the first matching roller 13, the first rolling channel 14,

the second rolling group (2) is provided with a rolling roller,

the second adjustment mechanism 21 is provided in the second position,

a second press roller 22, a second groove 221, a second mating roller 23, a second press passage 24,

the unwinding mechanism 3 is provided with a winding mechanism,

a piece to be processed 200 and a protrusion 201.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

A rolling apparatus 100 according to an embodiment of the first aspect of the present invention will be described in detail with reference to fig. 1 to 12.

As shown in fig. 1, a rolling apparatus 100 is used for forming a protrusion 201 on a member to be worked 200 by rolling, the rolling apparatus 100 including: a first roll stack 1 and a second roll stack 2.

Specifically, the first roller pressing group 1 includes a first roller 12, a first groove 121 is provided on the roller pressing surface of the first roller 12, the second roller pressing group 2 is provided downstream of the first roller pressing group 1 in the conveying direction of the workpiece 200 to be processed, the second roller pressing group 2 includes a second roller 22, a second groove 221 is provided on the roller pressing surface of the second roller 22, the second groove 221 is aligned with the first groove 121 in the conveying direction of the workpiece 200 to be processed, and the first groove 121 and the second groove 221 are both matched with the protrusion 201 in shape.

That is, the first roller set 1 includes a first roller 12, the second roller set 2 includes a second roller 22, the first roller set 1 is located upstream of the second roller set 2 in the conveying direction of the workpiece 200 to be processed, the second roller set 2 is located downstream of the first roller set 1 in the conveying direction of the workpiece 200 to be processed, wherein the first groove 121 is located on the rolling surface of the first roller 12, and the second groove 221 is located on the rolling surface of the second roller 22. In the conveying direction of the workpiece 200 to be processed, the second groove 221 is aligned with the first groove 121, the first groove 121 is matched with the shape of the protrusion 201, and the second groove 221 is also matched with the shape of the protrusion 201. Therefore, the first roller group 1 and the second roller group 2 are ingenious in design, and the machining precision of the workpiece 200 to be machined is guaranteed.

Referring to fig. 1, the rolling apparatus 100 includes a first rolling group 1 and a second rolling group 2, the first rolling group 1 and the second rolling group 2 are arranged at intervals in a conveying direction of the workpiece, the first rolling group 1 is located upstream of the second rolling group 2 in a conveying direction of the workpiece 200 to be processed, as shown in fig. 1, the first rolling group 1 is located at a rear side of the second rolling group 2, the first rolling group 1 includes a first pressing roll 12, the second rolling group 2 includes a second pressing roll 22, a first groove 121 is provided on a rolling surface of the first pressing roll 12, a second groove 221 is provided on a rolling surface of the second pressing roll 22, the first groove 121 and the second groove 221 are both matched with a shape of the protrusion 201, and the first groove 121 and the second groove 221 are aligned in the conveying direction of the workpiece 200 to be processed (for example, in a backward and forward direction shown in fig. 1). Because the metal fluidity of copper is poor during rolling, the workpiece 200 to be processed is rolled for multiple times, and the structural precision of the protrusion 201 is ensured.

In the working process of the rolling device 100, the workpiece 200 to be processed first passes through the first roll set 1, the first press roll 12 of the first roll set 1 presses the workpiece 200 to be processed into the protrusions 201, and then the workpiece 200 to be processed passes through the second roll set 2, and the second press roll 22 of the second roll set 2 further presses the protrusions 201 on the workpiece 200 to be processed.

According to the rolling equipment 100 provided by the embodiment of the utility model, the first rolling group 1 and the second rolling group 2 are arranged, so that the workpiece 200 to be processed can be rolled for multiple times, when the workpiece 200 to be processed passes through the first groove 121, the formed protrusion 201 is rolled, when the workpiece passes through the second groove 221, the protrusion 201 can be rolled again easily after the protrusion 201 is formed by primary rolling, the processing precision of the workpiece 200 to be processed is ensured, the first groove 121 is aligned with the second groove 221, the structural precision of the protrusion 201 formed by rolling on the workpiece 200 to be processed is improved, the utilization rate of materials is improved, the whole structure of the rolling equipment 100 is simple, the production and maintenance are convenient, the energy consumption of the rolling equipment 100 is reduced, and the production efficiency is improved.

It should be noted here that, the shape of each of the first groove 121 and the second groove 221 matches the shape of the protrusion 201, and it does not mean that the shape and the size of each of the first groove 121 and the second groove 221 are equal, but means that the shape and the size of each of the first groove 121 and the second groove 221 are the same, but the sizes of the first groove 121 and the second groove 221 are not necessarily the same.

In some embodiments of the utility model, the width of the first groove 121 in the axial direction of the first pressure roller 12 is larger than the width of the second groove 221 in the axial direction of the second pressure roller 22. That is, the width of the second groove 221 in the axial direction of the second press roll 22 is smaller than the width of the first groove 121 in the axial direction of the first press roll 12. Therefore, the width of the rolled protrusion 201 is larger when the workpiece 200 to be processed passes through the first roll stack 1, and the width of the rolled protrusion 201 is further reduced when the workpiece 200 to be processed passes through the second roll stack 2, thereby improving the precision of the rolled protrusion 201.

Referring to fig. 2 and 4, the width of the first groove 121 in the axial direction (left-right direction in fig. 2) of the first press roll 12 is greater than the width of the second press roll 22 in the axial direction (left-right direction in fig. 4), that is, the width of the first groove 121 is greater than the width of the second groove 221, which ensures that the metal can fill the second groove 221 when the member 200 to be machined passes through the second press roll 22.

In some embodiments of the present invention, as shown in fig. 2 and 4, the first groove 121 is annular extending in the circumferential direction of the first press roller 12, and the second groove 221 is annular extending in the circumferential direction of the second press roller 22. That is, the first groove 121 and the second groove 221 are both annular grooves, wherein the first groove 121 extends in the circumferential direction of the first press roller 12, and the second groove 221 extends in the circumferential direction of the second press roller 22. Therefore, the continuity of the roll-formed bump 201 is ensured, and the structural strength of the bump 201 is improved.

In some embodiments of the present invention, the first groove 121 is symmetrical with respect to a center line of the width direction of the second groove 221. It can be understood that the center lines of the first groove 121 and the second groove 221 are parallel and aligned with each other, and the first groove 121 and the second groove 221 are also aligned with each other, so that when the workpiece 200 to be processed passes through the first groove 121 and then is subjected to roll forming, the protrusion 201 is easier to be subjected to roll forming again after the protrusion 201 is subjected to primary roll forming when passing through the second groove 221, the structural precision of the protrusion 201 is higher, manual supervision on whether the protrusion 201 is subjected to roll forming is not needed, the production cost is reduced, the workpiece 200 to be processed is not needed to be transferred, and the production efficiency is improved.

In some embodiments of the present invention, the first groove 121 includes a plurality of first grooves 121, and the plurality of first grooves 121 are spaced apart in the axial direction on the first pressing roller 12; the second grooves 221 include a plurality of second grooves 221, the plurality of second grooves 221 are arranged on the second pressing roller 22 at intervals in the axial direction, and the plurality of first grooves 121 correspond to the plurality of second grooves 221 one by one. That is, the first grooves 121 are plural, the second grooves 221 are also plural, the first grooves 121 are arranged on the first pressing roller 12 at intervals in the axial direction, the second grooves 221 are arranged on the second pressing roller 22 at intervals in the axial direction, each first groove 121 has a corresponding second groove 221, each second groove 221 has a corresponding first groove 121, that is, the first grooves 121 correspond to the second grooves 221 one by one. Therefore, the process of rolling is convenient for rolling the bulge 201 for multiple times, and the structural precision of the workpiece 200 to be machined is ensured.

Referring to fig. 3 and 5, the number of the first grooves 121 is twelve, the number of the second grooves 221 is equal to that of the first grooves 121, the number of the second grooves 221 is twelve, the twelve first grooves 121 correspond to the twelve second grooves 221 one by one in the front-rear direction shown in fig. 1, the center line of each first groove 121 is aligned in parallel with the center line of each second groove 221 and corresponds to one, and the width of the second groove 221 in the left-right direction of the second platen 22 is smaller than the width of the first groove 121 in the left-right direction of the first platen 12.

In some embodiments of the present invention, the width of the first groove 121 and/or the second groove 221 in the axial direction is in the range of 0.1mm to 3 mm; the depth of the first groove 121 and/or the second groove 221 in the radial direction is in the range of 0.1mm to 3 mm. That is, the width of the first groove 121 in the axial direction may be in the range of 0.1mm to 3mm, the width of the second groove 221 in the axial direction may be in the range of 0.1mm to 3mm, and the widths of the first groove 121 and the second groove 221 in the axial direction may be in the range of 0.1mm to 3 mm; the depth of the first groove 121 in the radial direction may be in the range of 0.1mm to 3mm, the depth of the second groove 221 in the radial direction may be in the range of 0.1mm to 3mm, and the depths of the first groove 121 and the second groove 221 in the radial direction may be in the range of 0.1mm to 3 mm. Thereby, it is ensured that the width and height of the pressed-out protrusion 201 are sufficient to stabilize the connection with the tab.

For example, the width of the first groove 121 and/or the second groove 221 may be: 0.1mm, 0.15mm, 0.2mm, 0.3mm, 0.4mm, 0.55mm, 0.6mm, 0.85mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.35mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.45mm, 2.6mm, 2.7mm, 2.8mm, 2.9mm, 3.0mm, and the like.

The height of the first groove 121 and/or the second groove 221 may be: 0.1mm, 0.15mm, 0.2mm, 0.3mm, 0.4mm, 0.55mm, 0.6mm, 0.85mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.35mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.45mm, 2.6mm, 2.7mm, 2.8mm, 2.9mm, 3.0mm, and the like.

In other embodiments of the present invention, the depth of the first groove 121 and/or the second groove 221 is no greater than 5 mm. That is, the depth of the first groove 121 may be not more than 5mm, the depth of the second groove 221 may be not more than 5mm, and the depths of the first groove 121 and the second groove 221 may be not more than 5 mm. Therefore, the phenomenon that the extruded protrusions 201 are too small in height and unstable in pole lug connection is avoided, and resource waste caused by too large heights of the extruded protrusions 201 is also avoided.

For example, the depth of the first groove 121 and/or the second groove 221 may be: 5mm, 4.5mm, 4mm, 3.5mm, 3mm, 2.5mm, 2mm, 1.5mm, 1mm, 0.5mm, and the like.

Further, the first groove 121 and/or the second groove 221 are provided with a vertical section 1211 and a tapered section 1212, the tapered section 1212 is connected to the inner end of the vertical section 1211 in the radial direction, and the depth of the tapered section 1212 is not more than 2 mm. For example, the depth of the tapered section 1212 may be: 2mm, 1.8mm, 1.6mm, 1.4mm, 1.2mm, 1mm, 0.8mm, 0.6mm, 0.4mm, 0.2mm, and the like.

In some embodiments of the present invention, as shown in fig. 10, the tapered section 1212 tapers in cross-sectional area in the axial direction, and the apex angle of the tapered section 1212 is no greater than 120 °. For example, the angle of the top angle of the tapered section 1212 may be: 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 90 °, 95 °, 100 °, 105 °, 110 °, 115 °, 120 °, and so on.

In some embodiments of the present invention, the first roller set 1 further includes a first matching roller 13, a first rolling channel 14 is disposed between the first matching roller 13 and the first pressing roller 12, and the workpiece 200 to be processed is adapted to be inserted into the first rolling channel 14; the second pressing set 2 further comprises a second matching roller 23, a second pressing channel 24 is arranged between the second matching roller 23 and the second pressing roller 22, and the workpiece 200 to be machined is suitable for being arranged in the second pressing channel 24 in a penetrating mode.

That is to say, the first roller pressing group 1 includes the first pressing roller 12 and the first matching roller 13, the first rolling channel 14 is set between the first pressing roller 12 and the first matching roller 13, the second roller pressing group 2 includes the second pressing roller 22 and the second matching roller 23, the second rolling channel 24 is set between the second pressing roller 22 and the second matching roller 23, and the first rolling channel 14 and the second rolling channel 24 are both suitable for the workpiece 200 to be processed to penetrate through, so that the workpiece 200 to be processed penetrates through the first rolling channel 14 and the second rolling channel 24, the workpiece 200 to be processed is rolled for a plurality of times, and the structural accuracy of the workpiece 200 to be processed is improved.

Referring to fig. 2 to 5, the first roller set 1 has a first pressing roller 12 and a first matching roller 13, the first pressing roller 12 is located above the first matching roller 13, the first matching roller 13 is located below the first pressing roller 12, a first rolling passage 14 is defined between the first pressing roller 12 and the first matching roller 13, the second roller set 2 has a second pressing roller 22 and a second matching roller 23, the second pressing roller 22 is located above the second matching roller 23, the second matching roller 23 is located below the second pressing roller 22, and a second rolling passage 24 is defined between the second pressing roller 22 and the second matching roller 23.

When the device is used, a workpiece 200 to be processed penetrates into the first rolling channel 14, the first rolling roller 12 rolls the upper surface of the workpiece 200 to be processed into the protrusion 201, then the workpiece 200 to be processed penetrates into the second rolling channel 24, the second rolling roller 22 rolls the protrusion 201 on the workpiece 200 again, and the second groove 221 on the second rolling roller 22 is smaller than the first groove 121 on the first rolling roller 12, so that the precision of the protrusion 201 rolled again is higher.

In some embodiments of the present invention, the roller surfaces of the first mating roller 13 and the second mating roller 23 are both smooth cylindrical surfaces. Therefore, only one surface of the workpiece 200 to be machined is provided with the protrusion 201 after rolling, so that the structural strength of the workpiece 200 to be machined after rolling is ensured, the structural strength of the workpiece 200 to be machined after machining is higher, and the workpiece is not easy to damage.

In some embodiments of the present invention, first roll stack 1 further comprises: the first adjusting mechanism 11 is used for adjusting the gap between the first matching roller 13 and the first pressing roller 12; the second rolling group 2 further comprises: and a second adjusting mechanism 21, wherein the second adjusting mechanism 21 is used for adjusting the gap between the second matching roller 23 and the second press roller 22. That is, the first roll nip 1 has the first adjusting mechanism 11, the second roll nip 2 has the second adjusting mechanism 21, the gap between the first fitting roll 13 and the first press roll 12 is adjusted by the first adjusting mechanism 11, and the gap between the second fitting roll 23 and the second press roll 22 is adjusted by the second adjusting mechanism 21, that is, the height of the first roll nip 14 is adjusted by the first adjusting mechanism 11, and the height of the second roll nip 24 is adjusted by the second adjusting mechanism 21. Thereby, the rolling apparatus 100 is made to satisfy the rolling requirements of the members to be worked 200 of various thicknesses.

Referring to fig. 6 and 7, the first adjusting mechanism 11 includes a push rod 111, a bearing seat 112, and a wedge block 113, the push rod 111 is used for pushing against the first matching roller 13 and the first pressing roller 12, the bearing seat 112 is used for supporting the first matching roller 13 and the first pressing roller 12, and the wedge block 113 is used for adjusting a distance between the bearing seats 112, so as to adjust a distance between the first matching roller 13 and the first pressing roller 12; the second adjusting mechanism 21 includes a top bar 111, a bearing seat 112 and a wedge block 113, the top bar 111 is used for tightly supporting the second matching roller 23 and the second pressing roller 22, the bearing seat 112 is used for supporting the second matching roller 23 and the second pressing roller 22, and the wedge block 113 is used for adjusting the distance between the bearing seats 112, so as to adjust the distance between the second matching roller 23 and the second pressing roller 22.

In some embodiments of the present invention, the rolling apparatus 100 further comprises: and the unwinding mechanism 3 is arranged at the upstream of the first roller group 1 and used for releasing the workpiece to be processed 200. Referring to fig. 1, the unwinding mechanism 3 is located at the upstream of the first roll nip 1 in the conveying direction of the workpiece 200 to be processed, that is, the unwinding mechanism 3 is located at the rear side of the first roll nip 1, and the unwinding mechanism 3 is used for unwinding the workpiece 200 to be processed, so that the overall structure is simple, and the production cost and difficulty are reduced.

In some embodiments of the present invention, the member to be machined 200 is a metal sheet or plate due to the ductility of the metal.

Preferably, the member to be processed 200 is a copper sheet or a copper plate because copper has good ductility and electrical conductivity.

A rolling apparatus 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 12.

As shown in fig. 1, the rolling apparatus 100 includes: unwinding mechanism 3, first roll extrusion group 1 and second roll extrusion group 2.

Specifically, the first roll nip 1 includes a first adjusting mechanism 11, a first press roll 12 and a first matching roll 13, twelve first grooves 121 are formed in the first press roll 12, a first roll pressing channel 14 is defined between the first press roll 12 and the first matching roll 13, the first adjusting mechanism 11 is used for adjusting the height distance of the first roll pressing channel 14 between the first matching roll 13 and the first press roll 12, and the roll pressing surface of the first matching roll 13 is a smooth cylindrical surface.

The second rolling group 2 comprises a second adjusting mechanism 21, a second pressing roller 22 and a second matching roller 23, twelve second grooves 221 are formed in the second pressing roller 22, a second rolling channel 24 is defined between the second pressing roller 22 and the second matching roller 23, the second adjusting mechanism 21 is used for adjusting the height distance of the second rolling channel 24 between the second matching roller 23 and the second pressing roller 22, and the rolling surface of the second matching roller 23 is a smooth cylindrical surface.

The first grooves 121 and the second grooves 221 are both annular, the number of the second grooves 221 is equal to that of the first grooves 121, twelve first grooves 121 and twelve second grooves 221 are in one-to-one correspondence in the front-rear direction, the center line of each first groove 121 is aligned in parallel with the center line of each second groove 221 and in one-to-one correspondence, and the width of the second groove 221 in the left-right direction of the second press roll 22 is smaller than the width of the first groove 121 in the left-right direction of the first press roll 12.

The operation of the rolling apparatus 100 of the above embodiment is briefly described as follows:

firstly, the workpiece 200 to be processed is discharged from the unwinding mechanism 3, and then passes through the first rolling channel 14 between the first pressing roller 12 and the first matching roller 13, the first pressing roller 12 rolls the upper surface of the workpiece 200 to be processed into the protrusion 201, and then the workpiece 200 to be processed passes through the second rolling channel 24 between the second pressing roller 22 and the second matching roller 23, and the second pressing roller 22 rolls the protrusion 201 on the workpiece 200 to be processed again.

It should be emphasized that when the rolling precision of the protrusion 201 does not meet the standard, a third rolling group identical to the second rolling group 2 may be added, or two third rolling groups and a fourth rolling group identical to the second rolling group 2 may be added, and so on, the number of the added rolling groups is not limited, and the rolling precision of the protrusion 201 meets the standard.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (14)

1. A rolling apparatus for forming a projection on a member to be worked by roll forming, comprising:

the first roller group comprises a first pressing roller, a first groove is arranged on the roller surface of the first pressing roller,

the second rolling group is arranged at the downstream of the first rolling group in the conveying direction of the workpiece to be machined, the second rolling group comprises a second pressing roller, a second groove is arranged on the rolling surface of the second pressing roller, the second groove is aligned with the first groove in the conveying direction of the workpiece to be machined, and the first groove and the second groove are matched with the bulges in shape.

2. The rolling apparatus according to claim 1, wherein a width of the first groove in the first roller axial direction is larger than a width of the second groove in the second roller axial direction.

3. The rolling apparatus according to claim 2, wherein the first groove is a ring shape extending in a circumferential direction of the first pressing roller, and the second groove is a ring shape extending in a circumferential direction of the second pressing roller.

4. The rolling apparatus according to claim 3, wherein the center line of the first groove width direction is collinear with the center line of the second groove width direction.

5. The rolling apparatus according to claim 3, wherein the first groove includes a plurality of grooves provided at intervals in an axial direction on the first pressing roller; the second grooves comprise a plurality of grooves, the second grooves are arranged on the second pressing roller at intervals in the axial direction, and the first grooves correspond to the second grooves one to one.

6. The rolling apparatus according to any one of claims 1 to 5, wherein the width of the first groove and/or the second groove in the axial direction is in the range of 0.1mm to 3 mm;

the depth of the first groove and/or the second groove in the radial direction is in the range of 0.1mm to 3 mm.

7. Rolling device according to any one of claims 1 to 5, characterised in that the depth in the radial direction of the first grooves and/or the second grooves is not more than 5 mm.

8. Rolling device according to any one of claims 1-5, characterised in that the first groove and/or the second groove is provided with a vertical section and a tapered section, which tapered section is connected at the inner end in the radial direction of the vertical section, the depth of the tapered section being not more than 2 mm.

9. The rolling apparatus according to claim 8, wherein a cross-sectional area of the tapered section in the axial direction is gradually reduced, and an apex angle of the tapered section is not more than 120 °.

10. The rolling apparatus according to any one of claims 1 to 5, wherein the first roll stack further comprises a first mating roll, a first rolling channel is provided between the first mating roll and the first press roll, and the member to be processed is adapted to be inserted into the first rolling channel;

the second rolling group further comprises a second matching roller, a second rolling channel is arranged between the second matching roller and the second pressing roller, and the workpiece to be machined is suitable for penetrating through the second rolling channel.

11. The rolling apparatus according to claim 10, wherein the rolling surfaces of the first fitting roller and the second fitting roller are both smooth cylindrical surfaces.

12. The roller press apparatus according to claim 10, wherein the first roller set further comprises: the first adjusting mechanism is used for adjusting a gap between the first matching roller and the first pressing roller;

the second rolling group further comprises: and the second adjusting mechanism is used for adjusting the gap between the second matching roller and the second pressing roller.

13. The rolling apparatus according to any one of claims 1 to 5, further comprising: and the unwinding mechanism is arranged at the upstream of the first roller group and used for unwinding the workpiece to be processed.

14. The rolling apparatus according to claim 1, wherein the member to be worked is a metal sheet or a metal plate.

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