CN113751575A

CN113751575A - Punching forming device for annular metal

Info

Publication number: CN113751575A
Application number: CN202111013243.5A
Authority: CN
Inventors: 陈丞
Original assignee: Chongqing Yaocheng Glass Products Co ltd
Current assignee: Chongqing Yaocheng Glass Products Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-12-07

Abstract

The invention discloses a punching forming device for annular metal, which comprises: frame, cutting mechanism, welding mechanism, the mechanism of punching, bulging mechanism and the mechanism of borduring still include: first motor and winding up roller, cutting mechanism includes the cutter, the mechanism of borduring includes the glass lid, there is the metal strip on the winding up roller, the winding up roller is coaxial with first motor output shaft, the mechanism of punching is the punch press, the punch press includes big drift and little drift, the mechanism of punching, cutting mechanism, welding mechanism and bulging mechanism are installed in the frame from the feed inlet to the discharge gate in order, be equipped with the detection zone in the frame, metal strip length between big drift and the little drift is a cycle, little drift and detection zone are established in order in the frame, the detection zone is a cycle with little drift interval, be equipped with the second motor in the frame, second motor output shaft and take-up pulley are coaxial, there is infrared sensor in the frame, infrared sensor and detection zone correspond the setting, infrared sensor and second motor electric connection. The glass cover body prepared by the scheme is more attractive.

Description

Punching forming device for annular metal

Technical Field

The invention relates to the technical field of kitchenware, in particular to a punching forming device for annular metal.

Background

A pot cover, a kitchen utensils and appliances, above often have the buckle, traditional pot cover is iron pot cover, and it is convenient to wash, but easily rusts and can't see the food in the pot and the state that it is located, and the heat preservation effect is poor, and the heat easily scatters and disappears. Therefore, glass pot covers appear in the market, the glass pot covers can see food in the pot and the state of the food, and the glass covers are fragile due to external force, so that metal protective edges are embedded outside the edges of the toughened glass cover bodies, the glass pot covers have the main functions of keeping the temperature of substances in the pot, preventing hot oil from splashing, protecting the glass covers and reducing the possibility that the glass covers are broken due to the external force.

The metal wrapping needs to be punched in the preparation process, accumulated water in the glass cover can conveniently flow out of the holes, and the patent with the application number of CN1189437A provides a silica gel ring combined cover and a manufacturing method thereof. The manufacturing method comprises the following steps: 1) providing a metal sheet body, and cutting the metal sheet body into metal bands with corresponding sizes; 2) welding two ends of a metal belt, stretching, forming and punching; 3) polishing;

4) placing the silicon wafer into a mold, injecting silica gel, and combining the formed silica gel with metal; 5) after forming, embedding the metal inner layer by using a glass cover; 6) and (5) wrapping to tightly buckle the glass cover on the metal.

Above-mentioned scheme is through stretching earlier the back to the metal lamellar body, punches the processing to it again, but, when punching at every turn, can bring a deformation to the metal lamellar body, the deformation stack that a plurality of holes brought can lead to the metal to bordure and warp, causes the metal to bordure and is uneven from top to bottom, uses unaesthetically, probably also not the adaptation with the glass lid, the yield of metal borduring is not high, consequently, need provide one kind earlier to bordure the metal and punch, bordure tensile punching hole forming device to the metal again.

Disclosure of Invention

The purpose of this scheme is providing a forming device that punches a hole for cyclic annular metal to punch earlier and then bulging to the metal bordure, improve the aesthetic property of metal bordure.

In order to achieve the above object, the present invention provides a punching forming device for ring-shaped metal, comprising: the device comprises a frame, a cutting mechanism, a welding mechanism, a punching mechanism and an expanding mechanism;

the cutting mechanism, the punching mechanism, the welding mechanism and the bulging mechanism are all arranged on the rack; a feed inlet and a discharge outlet are formed in the frame;

further comprising: a first motor and a winding roller;

the cutting mechanism comprises a cutter;

the first motor is arranged on the rack, the winding roller is rotatably arranged on the rack, a metal strip is arranged on the winding roller, and the winding roller is coaxially connected with an output shaft of the first motor;

the punching mechanism is a punch press, the punch press comprises a punch head, and the punch press comprises a large punch head and a small punch head;

the punching mechanism, the cutting mechanism, the welding mechanism and the bulging mechanism are sequentially arranged on the rack from the feeding hole to the discharging hole;

the frame is provided with a base, the base is provided with a tensioning wheel which is rotationally connected, the frame is provided with a groove, the base is provided with a threaded hole, the threaded hole is in threaded connection with the groove through a bolt, the frame is provided with a detection area which is used for detecting whether a large hole and a small hole are correspondingly arranged, the length of a metal strip between a large punch and a small punch is a period, the large punch, the tensioning wheel, the small punch and the detection area are sequentially arranged on the frame from a feed inlet to a discharge outlet, the metal strip is sequentially wound on the large punch, the tensioning wheel and the small punch, the length of the metal strip between the detection area and the small punch is a period, the frame is provided with a second motor, an output shaft of the second motor is coaxially connected with the tensioning wheel, the frame is provided with an infrared sensor, and the position of the infrared sensor and the position of the detection area are correspondingly arranged, the infrared sensor is electrically connected with the second motor;

the conveying belt is provided with a plurality of through holes.

The principle of the scheme is as follows: the first motor is started, the winding roller releases the metal strip, the large punch punches large holes in the metal strip, the small punch punches small holes in the metal strip, after punching is finished, the metal strip is cut into a plurality of metal strips with the same size by the cutter, the metal sheets are welded into metal rings by the welding mechanism, and the metal rings are expanded by the expansion mechanism. After the infrared sensor identified the take-up pulley and upwards moved, the second motor started for the take-up pulley return, simultaneously, the base and the bolt moved on the frame. After the punching head punches, the round fragments fall from the through holes, and the cleanness degree of the conveyor belt is ensured.

The beneficial effect of this scheme:

1. cutting mechanism, the mechanism punches, mutually supporting of welding mechanism and bulging structure makes the strap expand shape after punching earlier, compare in traditional strap preparation technology, the strap punches the hole after expanding earlier, when punching at every turn, can bring a deformation to the strap, the deformation stack that a plurality of hole brought can lead to the strap to warp after together, it is unsightly to appear, and the way of expanding shape after punching earlier, the strap is the shaping of the deformation that the hole brought in advance that punches, expand shape to the strap again, hole and strap heating also can evenly expand shape, stretch its intermolecular spacing, the shaping is more pleasing to the eye.

2. The staff emptys ponding when setting for convenient culinary art in hole, can also be used for separating solid edible material and hot soup, and it is more convenient to use, need not filter solid edible material with the filter screen in addition. The holes prepared by the scheme have smooth surfaces and clear glossiness, are more stable when accumulated water or hot soup is poured, cannot have the condition of water column intersection, and reduce the possibility of scalding personnel.

3. The punch is provided with a large punch and a small punch which are respectively used for punching holes with different sizes. The holes comprise large holes and small holes. According to different solid food materials, the accumulated water and the solid food materials are screened through large holes or small holes, the selection space is more, and the screening speed of the accumulated water and the solid food materials is higher.

4. The tensioning wheel tensions the metal strip between the two punches to control the distance between the large punch and the small punch to ensure a constant distance between holes punched by the large punch and the small punch, after the metal strip is welded into a ring, the large hole and the small hole on the metal ring are correspondingly arranged due to the setting of the tensioning wheel, meanwhile, the position of the tensioning wheel can be adjusted (the tensioning wheel is enabled to move up and down) to ensure that the large hole and the small hole on the metal rings with different sizes are symmetrically arranged, because the metal strip is always discharged along with the rotation of the winding roll and then discharged through the large punch, the tensioning wheel and the small punch, the large punch and the small punch are used for punching holes, the metal strip always provides an upward force for the tensioning wheel, the tensioning wheel can move upwards, further the punching hole distance between the large punch and the small punch is changed, and the distance between metal strips punched at each time is inconsistent, therefore, when the light emitted by the infrared sensor cannot pass through the hole on the detection area, the second motor is started, so that the tensioning wheel is rotated and reset, and meanwhile, the base and the bolt move on the machine frame. The mutual matching of the infrared sensor, the tension wheel and the second motor ensures that the distance between the large hole and the small hole punched by the large punch and the small punch at each time is consistent, and the infrared sensor, the tension wheel and the second motor are more attractive. The mutual cooperation of bolt, base, groove and screw hole makes can drive the base and move down when the take-up pulley rotates. Establish infrared sensor at the detection zone, when the hole can't be passed through light, but the second motor in time starts, and its control accuracy is higher.

5. The round fragments fall from the through holes, and the cleanness degree of the conveyor belt is ensured.

Further, a collecting box for collecting waste materials is arranged on the rack, and the collecting box is arranged under the punching mechanism. After the punching head punches, the circular fragments fall down from the through hole and enter the collecting box, so that the fragments are conveniently collected.

Further, the punching mechanism further comprises a fan. On one hand, the fan blows dust on the surface of the metal ring, and the neatness of punching of the metal ring is ensured; on the other hand, the circular fragments after the fan is assisted to punch fall into the collecting box through the through-hole.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a metal covering in embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 4 is a front view of the tensioner, bolt, slot, threaded hole, base and frame of example 2 of the present invention.

Detailed Description

The following is further detailed by the specific embodiments:

the reference numbers in the drawings of the specification include: the device comprises a frame 1, a winding roller 2, a first motor 3, a large punch 4, a small punch 5, a punching mechanism 6, an expanding mechanism 7, a metal ring 8, a second motor 9, a tension wheel 10, a hole 11, a base 12, a bolt 13, a groove 14, a threaded hole 15, a detection area 16, a first step portion 17, a second step portion 18 and an infrared sensor 19.

Example 1

As shown in figures 1 and 2:

a feeding hole and a discharging hole are formed in the machine frame 1, and a cutting mechanism, a punching mechanism 6 and an expanding mechanism 7 are arranged on the machine frame 1. The punching mechanism 6, the cutting mechanism and the bulging mechanism 7 are sequentially arranged on the frame 1 from the feed inlet to the discharge outlet. Be equipped with winding up roller 2 and first motor 3 in the frame 1, winding up roller 2 rotates and establishes in frame 1, and winding up roller 2 is equipped with the metal strip with the output shaft coaxial coupling of first motor 3 on the winding up roller 2.

The punching mechanism 6 is a punch press which comprises a punch head, wherein the punch head comprises a large punch head 4 and a small punch head 5 which are respectively used for punching holes 11 with different sizes. The holes 11 include large holes 11 and small holes 11. According to different solid food materials, the large holes 11 or the small holes 11 are selected to sieve the accumulated water and the solid food materials, the selection space is more, and the sieving speed of the accumulated water and the solid food materials is higher. The large holes 11 and the small holes 11 are symmetrically arranged on the metal strip. Personnel can choose to empty on one side, and is more reasonable, and the operation is more rapid. When the solid food material has a small size, it may leak out of the large hole 11, and thus, a filter net is provided on the large hole 11. The cutting mechanism is a cutter which cuts the metal strip on the winding roller 2. The bulging mechanism 7 comprises an upper die and an inner die, the specific process of bulging comprises the steps of providing the prefabricated upper die and the prefabricated inner die, sleeving the metal ring 8 on the inner die, enabling the inner die to have elasticity, and enabling the metal ring 8 to bulge when the inner die is extruded by the upper die (in a prefabricated shape). The inner mould is made of rubber/silica gel/polyurethane material.

Still be equipped with welded structure on the frame 1, punching mechanism 6, cutting mechanism, welding mechanism and bulging mechanism 7 are installed on frame 1 from the feed inlet to the discharge gate in order, with the both ends welding of strap together, compare in traditional 8 preparation of becket, becket 11 punches after 8 bulging earlier, punch 11 at every turn, can bring a deformation to becket 8, can lead to becket 8 to warp after the deformation stack that a plurality of hole 11 brought together, it is unsightly in appearance, and the way of bulging after the earlier puncher hole 11, becket 8 is just shaping by the deformation that hole 11 brought of punching in advance, expand shape to becket 8 again, hole 11 and 8 heating of becket also can evenly bulge, stretch its molecular spacing, the shaping is more pleasing to the eye.

Still be equipped with polishing mechanism on the frame 1, the mechanism of punching 6, cutting mechanism, welding mechanism, bulging mechanism 7 and polishing mechanism install in order on frame 1 from the feed inlet to the discharge gate, and polishing mechanism generates a layer of smooth coating on the strap surface with polishing wax, makes its surface more smooth, and the outward appearance is more pleasing to the eye. The frame 1 is provided with a plurality of through holes 11. After the punch is punched with the hole 11, the round fragments fall down from the through hole 11, and the cleanness degree of the rack 1 is ensured. Be equipped with the collecting box that is used for collecting the waste material on frame 1, the collecting box is located mechanism 6 of punching under, and after the drift punched hole 11, circular piece fell from through-hole 11, gets into in the collecting box, and the clean degree on frame 1 surface is guaranteed to the collection of convenient to the piece.

The hole 11 is punched by first punching the metal ring 8 and then expanding the metal ring 8. The specific process of punching is to utilize a punch press to punch, and the punch press is provided with a large punch 4 and a small punch 5 which are respectively used for punching holes 11 with different sizes. The specific process of bulging is that a prefabricated upper die and an inner die are provided, the metal ring 8 is welded into a ring, the metal ring 8 is sleeved on the inner die, the inner die is elastic, and the inner die deforms when being extruded by the upper die (in a prefabricated shape), so that the metal ring 8 bulges. The inner mould is made of rubber/silica gel/polyurethane material.

Compare in traditional 8 preparation of metal ring crafts, punch after 8 bulging of metal ring, punch at every turn, can bring a deformation to metal ring 8, the deformation stack that a plurality of hole 11 brought can lead to metal ring 8 to warp together, it is unsightly, and the way of bulging after punching earlier, metal ring 8 is punched deformation that brings in advance and is formed, expand shape to metal ring 8 again, go up mould extrusion inner die, do work to inner die, go up the friction production heat between mould and the inner die, and the inner die material is softer, the heat can let inner die deformation more easily, make hole 11 and 8 even bulging of metal ring, stretch its molecular spacing, the shaping is more pleasing to the eye.

The metal ring 8 is in a step shape, the metal ring 8 comprises a first step part 17 and a second step part 18, the bottom end of the first step part 17 is arranged on the top surface of the second step part 18, the hole 11 is arranged on the second step part 18, when in bulging, the metal ring 8 is firstly sleeved on the inner die, because the bottom end of the first step part 17 is arranged on the top surface of the second step part 18, the gap between the first step part 17 and the inner die is smaller, the first step part 17 is closer to the inner die, the upper die extrudes the inner die to apply work to the inner die, the friction between the upper die and the inner die generates heat, the material of the inner die is softer, the heat can enable the inner die to be easier to deform, the distance between the inner die and the first step part 17 is smaller, therefore, the heat transfer effect of the first step part 17 is better, the temperature difference exists between the first step part 17 and the second step part 18, the hole 11 on the second step part 18 slightly bulges, the hole 11 is more beautiful, and the second step portion 18 is prevented from directly contacting the inner mold, so that the hole 11 is prevented from being deformed excessively.

The punching mechanism 6 further includes a fan. On one hand, the fan blows dust on the surface of the metal ring 8, and the neatness of punching of the metal ring 8 is guaranteed; on the other hand, the circular fragments after the fan is assisted to punch fall into the collecting box through the through-hole.

In the specific operation: start

first motor

3, 2 release metal strips of winding up roller, the drift is to the metal strip hole 11 that punches, the fan starts fixed supplementary circular piece and falls from through-hole 11, get into the collecting box, after punching hole 11, the cutter cuts the metal strip into the same strap of a plurality of sizes, welding mechanism welds the sheetmetal into becket 8, bulging mechanism 7 expands shape to becket 8, polishing mechanism has beaten a layer of wax to beaten becket 8, becket 8's production line work finishes.

Example 2

As shown in fig. 3 and 4:

different from the embodiment 1, a detection area 16 is arranged on a frame 1, a base 12 is arranged on the frame 1, a rotatably connected tension wheel 10 is arranged on the front surface of the base 12, a groove for the tension wheel 10 to move up and down is arranged on the frame 1, a threaded hole 15 is arranged on the back surface of the base 12, the threaded hole 15 is in threaded connection with the groove through a bolt 13, the base 12 can be fixed on the frame 1 through the bolt 13 in a threaded manner, the base 12 can move up and down through the threaded hole 15, the bolt 13 and the groove, a detection area 16 for detecting whether a large hole 11 and a small hole 11 are correspondingly arranged is arranged on the frame 1, the length of a metal strip between a large punch 4 and a small punch 5 is recorded as a period, the large punch 4, the tension wheel 10, the small punch 5 and the detection area 16 are sequentially arranged on the frame 1 from a feeding port to a discharging port, the metal strip is sequentially wound on the large punch 4, the tension wheel 10 and the small punch 5, and the length of the metal strip between the detection area 16 and the small punch 5 is greater than or equal to a period, in the embodiment, a period is selected as the detection area 16, so that the hole 11 of the detection area 16 should be provided with the second motor 9 on the frame 1 for the hole 11 punched by the large punch 4, the output shaft of the second motor 9 is coaxially connected with the tension wheel 10, the frame 1 is provided with the infrared sensor 19, the position of the infrared sensor 19 corresponds to the position of the detection area 16, and the infrared sensor 19 is electrically connected with the second motor 9. The tension wheel 10 tensions a metal strip between two punches to control the distance between the large punch 4 and the small punch 5 for punching the hole 11, so as to ensure a certain distance between the holes 11 punched by the large punch 4 and the small punch 5, after the metal strip is welded into a ring, the large hole 11 and the small hole 11 on the metal ring 8 are correspondingly arranged due to the setting of the tension wheel 10, and simultaneously, the position of the tension wheel 10 can be adjusted (so that the tension wheel 10 moves up and down) to ensure that the large hole 11 and the small hole 11 on the metal rings 8 with different sizes are symmetrically arranged, because the metal strip is discharged by rotating the winding roller 2 all the time, and then is discharged through the large punch 4, the tension wheel 10 and the small punch 5, the large punch 5 and the small punch 5 are used for punching the hole 11, and the metal strip always provides an upward force to the tension wheel 10, the tension wheel 10 may move upward, thereby causing the length change of the metal strip between the large punch 4 and the small punch 5, the large hole 11 and the small hole 11 of the metal belt after each punching of the hole 11 cannot be correspondingly arranged, so that when the light emitted by the infrared sensor 19 cannot pass through the hole 11 on the detection area 16, the second motor 9 is started, the tensioning wheel 10 is rotated and reset, and meanwhile, the base 12 and the bolt 13 move on the rack 1. The mutual matching of the infrared sensor 19, the tension wheel 10 and the second motor 9 ensures that the distances between the large hole 11 and the small hole 11 punched by the large punch 4 and the small punch 5 are consistent every time, so that the appearance is more attractive. The cooperation of the bolt 13, the base 12, the slot and the threaded hole 15 enables the base 12 to move downward when the tensioner 10 rotates. The infrared sensor 19 is arranged in the detection area 16, and when the hole 11 cannot transmit light, the second motor 9 can be started in time, so that the control precision is higher.

In order to ensure the minimum error, the infrared sensor 19 is preset in the outermost hole 11 of the detection area 16, namely the hole 11 farthest from the small punch 5 or the hole 11 nearest to the small punch 5, when the light emitted by the infrared sensor 19 cannot pass through the hole 11, the second motor 9 starts to adjust the tension wheel 10, because the holes 11 punched by the punch press are arranged in a closed manner, if the infrared sensor 19 is arranged in any hole 11 (marked as a, the holes 11 on both sides of the hole 11 a are marked as B and C respectively), even if the hole 11(a) is deviated, the light emitted by the infrared sensor 19 may penetrate B or C and cannot correctly identify the movement of the tension wheel 10, so the infrared sensor 19 is arranged in the outermost hole 11 of the detection area 16, namely the hole 11 farthest from the small punch 5 or the hole 11 nearest to the small punch 5, and the infrared sensor 19 is not arranged at a place where the holes 11 are distributed in a closed manner, the error of the infrared sensor 19 can be reduced, the deviation of the detection hole 11 is ensured to be accumulated in a single direction at each time, and the deviation cannot be disturbed by other holes 11, so that the return of the tension wheel 10 is more accurate.

In order to ensure that the motor can rotate the tension wheel 10 to the original position every time, in this embodiment, an included angle between two sides of the tension wheel 10 is α, the diameter of the hole 11 of the detection area 16 is 2R, the diameter of the tension wheel 10 to be moved is L, and in order to ensure that the light of the infrared sensor 19 can pass through the hole 11, the distance that the metal strip of the detection area 16 should be moved is R or less, that is, the distance is not more than R

In this embodiment, when α is 60 and 2R is 6mm, then:

the diameter adjustment of the tensioning wheel 10 can be performed by a person skilled in the art according to the actual situation.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A punch forming apparatus for ring-shaped metal, comprising: the device comprises a frame, a cutting mechanism, a welding mechanism, a punching mechanism and an expanding mechanism;

it is characterized by also comprising: a first motor and a winding roller;

the cutting mechanism comprises a cutter;

the conveying belt is provided with a plurality of through holes.

2. The apparatus of claim 1, wherein the frame is provided with a collection box for collecting the scrap, the collection box being provided directly below the hole punching mechanism.

3. A punch forming apparatus for ring metal according to claim 2 wherein the punch mechanism further comprises a fan.