CN211991204U

CN211991204U - Rolling cutter based on rolling shear process and rolling cutter

Info

Publication number: CN211991204U
Application number: CN202020326158.9U
Authority: CN
Inventors: 李西武
Original assignee: Tianjin Xinhang Precision Machinery Co ltd
Current assignee: Tianjin Xinhang Precision Machinery Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-11-24
Anticipated expiration: 2030-03-16

Abstract

The embodiment of the utility model discloses hobbing cutter based on hobbing cutter technology, including gyro wheel and serrated edge group, serrated edge group is including distributing along the gyro wheel outer wall to integrated into one piece first serrated edge and a second serrated edge on the gyro wheel outer wall, first serrated edge is equipped with a plurality ofly to first shearing groove has been seted up at the cutting part of first serrated edge, the second serrated edge is equipped with a plurality ofly to the second shearing groove has been seted up at the cutting part of second serrated edge, and a plurality of first serrated edges and a plurality of second serrated edge are continuous alternate arrangement setting, and first shearing groove and second shearing groove are the dislocation set. The embodiment of the utility model provides a hobbing cutter adopts above-mentioned hobbing cutter still disclosed, including last hobbing cutter and lower hobbing cutter, form the clearance that supplies the steel band to pass and be cuted between last hobbing cutter and the lower hobbing cutter. The utility model discloses improve the die-cut technology that traditional automobile sealing strip skeleton preparation adopted for the roller shear technology, be convenient for cut and tensile in steel band gap department, effectively reduce the production of waste material.

Description

Rolling cutter based on rolling shear process and rolling cutter

Technical Field

The embodiment of the utility model provides a relate to automobile sealing strip technical field, concretely relates to hobbing cutter and hobbing cutter based on hobbing shear technology.

Background

The automobile sealing strip is one of important parts of an automobile, is widely used for parts such as doors, windows, bodies, seats, skylights, engine cases, trunks and the like, and has important functions of water resistance, sealing, sound insulation, dust prevention, freeze prevention, shock absorption, heat preservation and energy conservation. It must have strong tensile strength, good elasticity, and also needs relatively good temperature resistance and aging resistance, so the internal structure of the automobile sealing strip is very important.

Generally, a weather strip for an automobile includes a sponge rubber body and a weather strip skeleton inserted into the body. The sealing strip framework is arranged inside the sealing strip, plays a framework role in the automobile sealing strip, and ensures that the sealing strip is reliable in installation, safe in use and attractive. The automobile sealing strip framework has various styles, and fig. 1 is a schematic structural diagram of an automobile sealing strip framework in the prior art. As shown in figure 1, the automobile sealing strip framework with the structure is formed by stamping a metal plate and comprises a plurality of metal strips which are parallel to each other and transversely arranged, and punching holes are formed among the metal strips.

However, in the prior art, the punching holes in the framework of the automobile sealing strip are usually formed by punching the gaps of the steel strip in a die-cutting mode based on a punching process, so that a large amount of waste materials are easily generated in the punching process, and the cost is wasted.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a hobbing cutter and hobbing cutter based on hobbing technology to solve among the prior art problem that the die-cut hole on the automobile sealing strip skeleton produced a large amount of wastes material easily based on the punching technology.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

according to the utility model discloses an in the first aspect, a hobbing cutter based on hobbing cutter technology, including gyro wheel and serrated edge group, serrated edge group is including distributing along the gyro wheel outer wall to integrated into one piece is first serrated edge and a second serrated edge on the gyro wheel outer wall, first serrated edge is equipped with a plurality ofly to first shearing groove has been seted up at the cutting part of first serrated edge, the second serrated edge is equipped with a plurality ofly to the second shearing groove has been seted up at the cutting part of second serrated edge, and wherein, a plurality of first serrated edges and a plurality of second serrated edge are continuous alternate arrangement setting, and first shearing groove and second shearing groove are dislocation set, so that when the gyro wheel rotates, first serrated edge and second serrated edge are cut along the gap at the different positions of steel band respectively.

Further, a first shearing groove is formed in the middle of the first tooth blade edge portion and used for shearing the first tooth blade on the two sides of the steel strip along the gap, and second shearing grooves are formed in the two ends of the second tooth blade edge portion and used for shearing the second tooth blade on the middle of the steel strip along the gap.

Further, a first shearing groove is formed in the first tooth blade edge portion and used for shearing the first tooth blade in the two sides of the steel strip along the gap, a second shearing groove is formed in the second tooth blade edge portion and used for shearing the second tooth blade in the two sides of the steel strip along the gap, and the first shearing groove and the second shearing groove are arranged in the gap on the same horizontal plane.

Further, the first tooth edge and the second tooth edge are of a skewed tooth structure.

Furthermore, the middle part of the side wall of the roller is provided with an assembling hole for connecting the output end of the slitting mill.

According to the utility model discloses the second aspect of the embodiment, a hobbing cutter adopts this embodiment a hobbing cutter based on hobbing cutter technology, hobbing cutter includes hobbing cutter and lower hobbing cutter, go up the hobbing cutter and form the clearance that supplies the steel band to pass and be sheared down between the hobbing cutter.

The embodiment of the utility model provides a have following advantage: the method is characterized in that a punching process adopted in the traditional preparation of the automobile sealing strip framework is improved into a rolling shearing process, a special rolling cutter for preparing the sealing strip framework is designed, shearing grooves respectively formed in a first tooth blade and a second tooth blade are utilized, the blade parts of the first tooth blade and the second tooth blade are divided into different shearing areas, when the rolling cutter rotates under the driving of a shearing machine, a plurality of first tooth blades and a plurality of second tooth blades cut along gaps at preset gaps at different positions of a steel strip along with the progressive of the steel strip, and the steel strip is connected at the positions of the shearing grooves to avoid the complete shearing of the steel strip, so that the sealing strip framework is prepared.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic structural diagram of a sealing strip framework of an automobile in the prior art;

fig. 2 is a schematic view of an overall structure of a rolling cutter based on a rolling shear process provided in embodiment 1 of the present invention;

fig. 3 is a schematic view of a knife face structure of a rolling cutter based on a rolling shear process provided in embodiment 1 of the present invention;

fig. 4 is a schematic view of a framework structure of a rolling cutter based on a rolling shearing process after shearing a steel strip, provided in embodiment 1 of the present invention;

fig. 5 is a schematic structural diagram of a tooth edge group of a hobbing cutter based on a hobbing and shearing process provided in embodiment 1 of the present invention;

fig. 6 is a knife face structure schematic diagram of a rolling cutter based on a rolling shear process provided in embodiment 2 of the present invention.

In the figure: 1. a roller; 11. an assembly hole; 2. a set of teeth edges; 21. a first tooth edge; 211. a first shear groove; 22. a second tooth edge; 221. a second shear groove.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 2 and 3, the embodiment of the present invention provides a hobbing cutter based on a hobbing process, which includes a roller 1 and a tooth blade group 2. The roller 1 is used for being installed on a slitting mill and driven by the slitting mill to rotate, wherein the middle part of the side wall of the roller 1 is provided with an assembling hole 11 for connecting the output end of the slitting mill. The tooth blade group 2 comprises a first tooth blade 21 and a plurality of second tooth blades 22 which are distributed along the outer wall of the wheel 1 of the roller and are integrally formed on the outer wall of the wheel 1 of the roller, wherein the first tooth blade 21 is provided with a plurality of first shearing grooves 211, the second tooth blade 22 is provided with a plurality of second shearing grooves 221, the second shearing grooves 221 are provided at the blade parts of the second tooth blades 22, specifically, the first shearing grooves 211 are provided at the middle parts of the blade parts of the first tooth blades 21 and are used for shearing the first tooth blades 21 at the two sides of the steel strip along the gaps, the second shearing grooves 221 are respectively provided at the two ends of the blade parts of the second tooth blades 22 and are used for shearing the second tooth blades 22 at the middle parts of the steel strip along the gaps, the first tooth blades 21 and the second tooth blades 22 are continuously and alternately arranged, and the first shearing grooves 211 and the second shearing grooves 221 are arranged in a staggered manner, so that when the roller 1 rotates, the first tooth blades 21 and the second tooth blades 22 are respectively sheared along the gaps at different positions of the steel strip, fig. 4 is a schematic diagram of the skeleton structure of the steel belt after being cut by the cutter of the embodiment.

As described above, in order to improve the accuracy of the slitting knife, it is preferable to set the size of the knife according to the actual use environment, for example: the width range of the first shearing groove 211 is set to be 4mm-6mm, the width range of the edge part of the first tooth blade 21 positioned at two sides of the first shearing groove 211 is 19mm-20mm, the width range of the edge part of the second tooth blade 22 is set to be 24mm-26mm, the width range of the outer wall of the wheel 1 of the roller is 45mm-45.05mm, the width of the first shearing groove 211 is 5.50mm, the width of the edge part of the first tooth blade 21 positioned at two sides of the first shearing groove 211 is 19.75mm, and the width of the edge part of the second tooth blade 22 is 25 mm. Wherein, the first tooth edge 21 and the second tooth edge 22 are both of a skewed tooth structure (refer to fig. 5), and the tooth crest of the first tooth edge 21 and the tooth crest of the adjacent second tooth edge 22 form an included angle preferably ranging from 67.5 ° to 68.5 °, and a specific size may preferably be 68 °, and the tooth crest width of the first tooth edge 21 and the tooth crest width of the second tooth edge 22 preferably range from 0.23 mm to 0.26 mm. Preferably, the hobbing cutter of the embodiment can grind all circumferential teeth by adopting a tool grinder to match with an optical dividing head, and grind the teeth at the connecting rib of the steel belt by adopting a machining center or a coordinate grinder to match with the optical grinder, so that the original strength of quenching hardness of the tooth part is ensured by an advanced and stable grinding process, and stress is not generated at the tooth tip, thereby ensuring the service life of the cutter.

The embodiment further includes an implementation manner: the specific tooth shapes of the first tooth blades 21 and the second tooth blades 22 can be set according to the shape of a product to be cut, and both the tooth blades are not arranged in a staggered manner.

The embodiment of the utility model provides a punching process through adopting traditional automobile sealing strip skeleton preparation improves to the slitting process, the design is used for the special slitting knife of sealing strip skeleton preparation, utilize the shearing groove of seting up separately on first serrated edge 21 and the second serrated edge 22, divide the cutting part of first serrated edge 21 and second serrated edge 22 into different shearing regions, when the slitting knife rotates under the drive of cutter, by the progressive of a plurality of first serrated edge 21 and a plurality of second serrated edge 22 along with the steel band, preset gap department on the steel band different positions respectively cuts along the gap, and make the steel band form the connection at the shearing groove position, avoid the steel band to be cut completely, thereby make the sealing strip skeleton, compare in current punching process, the slitting process is a high efficiency and energy-conserving newest mode, be convenient for cut and stretch in steel band gap department, effectively reduce the production of waste material.

Example 2

The difference from embodiment 1 is that, as shown in fig. 6, a first shearing groove 211 is formed on the first tooth blade 21 for shearing along the gap on both sides of the steel strip, and a second shearing groove 221 is formed on the second tooth blade 22 for shearing along the gap on both sides of the steel strip, and the first shearing groove 211 and the second shearing groove 221 are arranged at a gap on the same horizontal plane, so that the first tooth blade 21 and the second tooth blade 22 respectively shear holes with different lengths on both sides of the steel strip, wherein, in order to improve the accuracy of the hobbing cutter, the size of the hobbing cutter may be preferably set according to the actual use environment, for example: the gap between the first cutting groove 211 and the second cutting groove 221 on the same horizontal plane is set to be in the range of 3.5mm to 4.5mm, and a specific size of 4mm may be preferable. Simultaneously, in order to improve the accuracy of the hobbing cutter, the width ranges of the first shearing groove 211 and the second shearing groove 221 are 3.5mm-4.5mm, wherein the width range of the blade part with the tooth edge positioned on one side of the shearing groove and the shorter length is 16mm-17mm, the width range of the blade part with the tooth edge positioned on one side of the shearing groove and the longer length is 24mm-25mm, and the specific size can be optimized: the width ranges of the first shearing groove 211 and the second shearing groove 221 are both 4mm, the width range of the blade part of which the tooth edge is located on one side of the shearing groove and has a shorter length is 16.50mm, and the width range of the blade part of which the tooth edge is located on one side of the shearing groove and has a longer length is 24.50 mm.

Example 3

The embodiment of the utility model provides a hobbing cutter adopts the hobbing cutter in embodiment 1-2, and is concrete, and hobbing cutter includes hobbing cutter and lower hobbing cutter, makes to form between hobbing cutter and the lower hobbing cutter and supply the steel band to pass and by the clearance of cuting to predetermine gap department on utilizing two upper and lower hobbing cutter hobbing mode to the steel band and cut, so that improve production efficiency when falling the waste material to zero.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A rolling cutter based on a rolling shear process is characterized in that: the hobbing cutter comprises a roller (1) and a tooth blade group (2), wherein the tooth blade group (2) is distributed along the outer wall of the roller (1) and integrally formed with a first tooth blade (21) and a second tooth blade (22) on the outer wall of the roller (1), the first tooth blade (21) is provided with a plurality of first shearing grooves (211) formed in the blade part of the first tooth blade (21), the second tooth blade (22) is provided with a plurality of second shearing grooves (221) formed in the blade part of the second tooth blade (22), the plurality of first tooth blades (21) and the plurality of second tooth blades (22) are arranged in a continuous and alternate mode, the first shearing grooves (211) and the second shearing grooves (221) are arranged in a staggered mode, so that when the roller (1) rotates, the first tooth blades (21) and the second tooth blades (22) are respectively sheared along gaps at different positions of a steel strip.

2. The rolling cutter based on the rolling shear process as claimed in claim 1, wherein: first cutting groove (211) have been seted up at the middle part of first tooth sword (21) cutting part for first tooth sword (21) is cut along the gap in the both sides of steel band, second cutting groove (221) have been seted up respectively at the both ends of second tooth sword (22) cutting part for second tooth sword (22) is cut along the gap in the middle part of steel band.

3. The rolling cutter based on the rolling shear process as claimed in claim 1, wherein: first shear groove (211) have been seted up on first tooth sword (21) cutting part for first tooth sword (21) is cut along the gap in the both sides of steel band, second shear groove (221) have been seted up on second tooth sword (22) cutting part for second tooth sword (22) is cut along the gap in the both sides of steel band, and first shear groove (211) and second shear groove (221) are the clearance setting on same horizontal plane.

4. The rolling cutter based on the rolling shear process as claimed in claim 1, wherein: the first tooth edge (21) and the second tooth edge (22) are of a helical tooth structure.

5. The rolling cutter based on the rolling shear process as claimed in claim 1, wherein: and the middle part of the side wall of the roller (1) is provided with an assembling hole (11) for connecting the output end of the slitting mill.

6. A rolling cutter using a rolling cutter based on a rolling shear process according to any one of claims 1 to 5, wherein: the rolling cutter comprises an upper rolling cutter and a lower rolling cutter, and a gap for a steel belt to pass through and be cut is formed between the upper rolling cutter and the lower rolling cutter.