TWM628609U - Die cutter for sound-absorbing foam - Google Patents

Abstract

The purpose of this creation is to provide a sound-absorbing cotton knife mold (4), which is mainly composed of a metal plate, a template, at least one pressing mold and at least one knife, wherein the metal plate is provided with a number of perforations, the number of The through holes are respectively provided with screw fixing elements, the template is set on the metal plate, the template is made of wood, the template is provided with at least one through groove, the back of the template corresponds to the metal plate Each perforation position is provided with a screw hole, and the screw fixing element penetrated through the perforation on the metal plate is screwed in the screw hole on the back of the template, and the at least one stamping die is arranged on at least one of the template. In a through groove, the at least one stamping die is composed of several metal sheets, the outer side of the at least one stamping die is protruding from the outer surface of the template, and the at least one cutting piece is also disposed in at least one pass of the template In the groove, the at least one blade is made of metal material, the outer side of the at least one blade is provided with a blade, the blade is protruding from the outer side of the at least one die, the die and the blade are The inner side of the piece is welded to the metal plate by high-frequency spot welding, so that the sound-absorbing cotton die can be used to cut through holes on the sound-absorbing cotton.

Description

Sound-absorbing cotton knife mold (4)

This creation is about a sound-absorbing cotton knife mold (4), especially a template made of wood, a metal plate is arranged on the back of the template, and a metal knife and several pieces of metal are arranged on the template. The die and the die are made by superimposing each other. The cutter and the die are welded to the metal plate by high-frequency spot welding, which can increase the heating speed of the cutter and the die.

Press, general sound-absorbing cotton can be widely used in vehicle interiors (such as door panels, dashboards, etc.), home appliances, office electronic equipment, ships and construction and other industries. The sound-absorbing cotton is mainly used for sound absorption and noise reduction. , and if you want to cut through holes on the sound-absorbing cotton, you must set a metal die with the shape of the through-hole to be cut on the metal mold base, and directly press the metal die on the sound-absorbing cotton after heating. The sound-absorbing cotton can be cut with through holes by forming electric heat through the metal knife mold, and the pressing part of the outer edge of the knife mold tightly presses the periphery 11 of the through-hole 10 of the sound-absorbing cotton 1 into one (as shown in the first picture). As shown), in this way, the through hole 10 of the sound-absorbing cotton 1 can be cut; however, the conventional method for cutting the through-hole 10 of the sound-absorbing cotton 1 requires a metal mold base to be provided with a metal knife die, Therefore, in order to cut the through holes 10 of the sound-absorbing cotton 1 of different shapes, a metal mold base and a knife mold must be made, and the manufacturing cost of the metal mold block and the knife mold is extremely high, and the overall weight is extremely heavy. The sound-absorbing cotton 1 after cutting the through-hole 10, because the periphery 11 of the through-hole 10 is only press-fitted at a high temperature, it is easy to produce unrealistic pressing, and the periphery 11 of the through-hole 10 cannot be effectively and completely adhered tightly. Therefore, under the condition of use or vibration, the periphery 11 of the press-fitted through hole 10 is likely to be separated and cracked (as shown in the second figure), which reduces the effect of sound absorption and noise reduction.

The main purpose of this creation is to provide a sound-absorbing cotton knife mold for cutting through-holes on sound-absorbing cotton, which can effectively solve the shortcomings of the conventional use of cutting through-holes in sound-absorbing cotton.

The sound-absorbing cotton knife mold (4) of this creation is mainly composed of a metal plate, a template, at least one pressing mold and at least one cutting piece, wherein the metal plate is provided with a number of perforations, and the perforations are respectively There are screw fixing elements through, the template is set on the metal plate, the template is made of wood, the template is provided with at least one through groove, and the back of the template corresponds to the perforation positions on the metal plate Each is provided with a screw hole, and the screw fixing element passing through the through hole on the metal plate is screwed in the screw hole on the back of the template, and the at least one die is set in at least one through slot of the template , the at least one die is composed of several metal sheets, the outer side of the at least one die is protruding from the outer surface of the template, and the at least one blade is also arranged in at least one through groove of the template, The at least one blade is made of metal material, the outer side of the at least one blade is provided with a blade, and the blade protrudes from the outer side of the at least one die, inside the die and the blade The sides are welded to the metal plate by high frequency spot welding.

The sound-absorbing cotton knife mold (4) of this creation has the advantages of: by heating the metal plate and directly conducting heat to the mold and the knife in the template, the knife and the mold generate high temperature, and then the sound-absorbing cotton is heated. The cutting of the through hole, at the same time, the press mold can press the periphery of the through hole of the sound-absorbing cotton tightly, which can prevent the periphery of the sound-absorbing cotton from being separated and cracked, and can increase the heating of the mold and the knife. Speed, which makes it more convenient and fast to cut through holes of silencer cotton.

1: sound-absorbing cotton

10: Through hole

11: Surroundings

2: sound-absorbing cotton

20: Through hole

21: Peripheral

22: Indentation

3: metal plate

30: perforation

31: Screw elements

4: Template

40: Through slot

41: screw hole

5: Stamping

50: sheet metal

6: Knife pieces

60: Blade

7: High frequency spot welding

The first figure is a three-dimensional view of the conventional sound-absorbing cotton after cutting.

The second figure is a schematic cross-sectional view of a conventional sound-absorbing cotton.

The third figure is an exploded perspective view of the embodiment of the present invention.

The fourth figure is a three-dimensional combined view of this creative embodiment.

Fig. 5 shows a combined cross-sectional view of the embodiment of the present invention.

The sixth figure is a three-dimensional view of the sound-absorbing cotton after cutting through holes in this creative embodiment.

Regarding the technical means adopted by this creation to achieve the above-mentioned purpose and effect, a preferable and feasible embodiment is hereby given, and is shown in the drawings. Details are as follows: For the embodiment of this creation, please refer to the third~ As shown in Fig. 5, it is mainly used to cut the shape of the through hole 20 of the sound-absorbing cotton 2. The pressing die is mainly composed of a metal plate 3, a template 4, several pressing dies 5 and several cutting pieces 6. , wherein, the metal plate 3 is provided with a number of perforations 30, and the screw elements 31 are respectively penetrated through the perforations 30. The template 4 is arranged on the metal plate 3, and the template 4 is made of wood , the template 4 is provided with a plurality of through-slots 40 having the same shape as the through holes 20 of the cut sound-absorbing cotton 2, and a screw hole 41 is provided on the back of the template 4 corresponding to the positions of the through holes 30 on the metal plate 3 , and the screw elements 31 pierced through the through holes 30 on the metal plate 3 are screwed into the screw holes 41 on the back of the template 4 , and a plurality of the stamping dies 5 are respectively set in the number of the template 4 Inside the through grooves 40 , the die 5 is composed of several metal sheets 50 , the outer edges of the die 5 protrude from the outer surface of the die plate 4 , and the cutters 6 are respectively arranged on In the through grooves 40 of the template 4, the cutter 6 is disposed on the inner side of the die 5. The cutter 6 is made of metal material. The through hole 20 of the sound-absorbing cotton 2 is of the same shape, and the outer side of the blade 6 is provided with a blade 60 , which protrudes from the outer side of the die 5 , inside the die 5 and the blade 6 . The side edge is welded on the metal plate 3 by high frequency spot welding, so it is a sound-absorbing cotton knife die structure.

When assembling, please refer to Figures 3 to 5. First, attach the template 4 to the metal plate 3, so that the screw holes 41 on the template 4 are aligned with the through holes 30 on the metal plate 3, and then use the The screw fixing element 31 is inserted into the through hole 30 of the metal plate 3 and then screwed into the screw hole 41 on the template 4 to fix the template 4 on the metal plate 3 . Then, the metal sheets 50 of the die 5 are stacked one by one and placed in the through grooves 40 of the die plate 4. The outer side of the die 5 is protruded on the outer surface of the die plate 4. The blade 6 is set in the through groove 40 of the template 4, and is located on the inner side of the die 5, and the blade 60 of the blade 6 is protruded on the outer side of the die 5 (such as the fifth As shown in the figure), and the inner edges of the die 5 and the cutter 6 are attached to the metal plate 3, and then the die 5 and the cutter 6 are welded to the metal plate 3 by high-frequency spot welding 7. The die 5 and the cutter 6 can be stably positioned in the through groove 40 of the template 4, so that the assembly can be completed.

When the through holes 20 of the sound-absorbing cotton 2 are to be cut, the metal plate 3 only needs to be connected to an electric heating device (not shown in the figure), and the metal plate 3 is heated by the electric heating device. The stamping die 5 and the cutting piece 6 can be conducted to the stamping die 5 and the cutting piece 6 by the electric heat of the metal plate 3, so that the stamping die 5 and the cutting piece 6 are rapidly thermally conducted and high temperature is formed, and then the stamping die 5 is pressed to the desired position. On the sound-absorbing cotton 2 cut through the hole 20 , the sound-absorbing cotton 2 is cut at high temperature by the blade 60 of the blade 6 , and is pressed against the penetration of the sound-absorbing cotton 2 by the die 5 provided on the outer side of the blade 6 . On the periphery 21 of the hole 20, the periphery 21 of the through-hole 20 of the sound-absorbing cotton 2 is tightly pressed by several pieces of metal sheets 50 of the compression die 5 at high temperature, and the periphery 21 of the through-hole 20 of the sound-absorbing cotton 2 forms an uneven surface. The indentation 22 (as shown in the sixth figure); in this invention, the metal plate 3 is provided on the back of the template 4, which can be directly heated on the metal plate 3, and then the heat is conducted to the cutter 6 and the die 5 through the metal plate 3 On the other hand, the heating speed of the cutter 6 and the pressing die 5 can be increased, which makes it more convenient and fast to cut the through holes 20 of the muffler cotton 2, and the template 4 is made of wood, which can greatly reduce the manufacturing cost of the pressing die. and the overall weight, the shape of the through-hole 20 of the sound-absorbing cotton 2 can be cut and the periphery 21 of the through-hole 20 of the sound-absorbing cotton 2 can be pressed at the same time. The periphery 21 of the through hole 20 can be tightly bonded, and there is no risk of separation and cracking due to use or in the case of vibration, so that the through hole 20 of the sound-absorbing cotton 2 can be cut to be more flat and beautiful as a whole, which can be greatly improved. product value.

To sum up, this creation has indeed achieved the intended purpose and effect of use, and is more ideal and practical than those in the art. However, the above-mentioned embodiments are only specific to the preferred embodiments of this creation. This embodiment is not intended to limit the scope of the patent application of this creation. All other equivalent changes and modifications that have been completed without departing from the technical means disclosed in this creation shall be included in the scope of the patent application covered by this creation. middle.

3: metal plate

30: perforation

31: Screw elements

4: Template

40: Through slot

41: screw hole

5: Stamping

50: sheet metal

6: Knife pieces

60: Blade

Claims (1)

A sound-absorbing cotton knife mold is mainly composed of a metal plate, a template, at least one pressing mold and at least one cutting piece, wherein, the metal plate is provided with several perforations, and the several perforations are respectively provided with screw fasteners. Element, the template is set on the metal plate, the template is made of wood, the template is provided with at least one through slot, and the back of the template is provided with a screw hole corresponding to each perforation position on the metal plate , and the screw-fastening element penetrated in the through hole of the metal plate is screwed in the screw hole on the back of the template, and the at least one die is set in at least one through groove of the template, the at least one press The mold system is composed of several metal sheets, the outer side of the at least one die is protruding from the outer surface of the template, and the at least one cutting element is also arranged in at least one through groove of the template, and the at least one cutting element is Made of metal material, the outer side of the at least one blade is provided with a blade edge, the blade is protruding from the outer side of the at least one die, and the inner side of the die and the blade are high The frequency spot welding is welded to the metal plate.

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