CN210936676U

CN210936676U - Continuous stamping device

Info

Publication number: CN210936676U
Application number: CN201921604993.8U
Authority: CN
Inventors: 肖波
Original assignee: Chongqing Huapin Electronic Technology Co ltd
Current assignee: Chongqing Huapin Electronic Technology Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-07
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to the technical field of keyboard manufacturing, specifically disclose a continuous stamping device, including frame, workstation, a plurality of punching press heads, upper male die, lower die, the workstation is fixed to be set up on the frame, and the punching press head is connected with the upper male die, and lower die can be dismantled and set up on the workstation, still includes conveyer and conveyer belt mechanism, and the conveyer includes a plurality of groups transport running roller, and each group transport running roller includes rotatable initiative friction running roller and passive friction running roller; the lower female die is provided with a plurality of concave parts for punch forming, the lower part of each concave part is communicated with a waste part, a first through groove is vertically arranged on the workbench, and the first through groove is communicated with the concave parts; the conveyor belt mechanism is located installation space, and conveyor belt mechanism includes belt and scraper blade, is equipped with the vertical second that is equipped with on the belt and leads to the groove, and the scraper blade is fixed to be set up in the below of workstation, and the lower extreme of scraper blade offsets with the up end of belt. The utility model discloses the problem of the keyboard bottom plate after the punching press is collected fast in the meaning of solution.

Description

Continuous stamping device

Technical Field

The utility model relates to a technical field is made to the keyboard, specifically discloses a continuous stamping device.

Background

A keyboard is an important input device that can input information into a computer. The keyboard generally comprises a keyboard shell, a keyboard bottom plate, a circuit board, keycaps and the like, wherein the keyboard bottom plate is made of metal and used for mounting the circuit board, hundreds of keyholes are formed in the keyboard bottom plate, and the keyholes are small in aperture and high in precision. The key holes on the keyboard bottom plate are formed by stamping, and the requirement on a die for stamping is extremely high due to the fact that the number of the key holes is large and the precision is high; the existing process can not manufacture a die which only uses one-time stamping, so that the precision of the keyhole can be ensured by stamping three to five times.

The existing punching equipment comprises a single punching machine and a continuous punching machine, wherein the single punching machine can only perform one-time punching, and the continuous punching machine can be used for installing a plurality of dies to perform multiple times of punching. The continuous punching apparatus has a drawback in that: the waste material that many times punching press produced is many, and difficult in time the clean up, if remain the waste material and can influence follow-up processing more, lead to the product to scrap. Meanwhile, the efficiency of continuous stamping is high, and the keyboard base plate after stamping needs to be manually and quickly collected and arranged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a continuous stamping device to solve the problem of how to collect the keyboard bottom plate after the punching press fast.

In order to achieve the above object, the basic scheme of the utility model is:

the continuous stamping device comprises a machine base, a workbench, a plurality of stamping heads, an upper male die, a lower female die, a conveyor and a conveyor belt mechanism, wherein the workbench is fixedly arranged on the machine base, an installation space is reserved between the workbench and the machine base, the stamping heads are connected with the upper male die, the lower female die is detachably arranged on the workbench, the conveyor comprises a plurality of groups of conveying rollers, and each group of conveying rollers comprises a rotatable driving friction roller and a rotatable driven friction roller; the lower female die is provided with a plurality of concave parts for punch forming, the lower part of each concave part is communicated with a waste part, the cross section of each waste part is rectangular, the length and the width of each waste part are larger than those of each concave part, a first through groove is vertically arranged on the workbench, and the first through groove is communicated with the concave parts; the conveyer belt mechanism is located installation space, and conveyer belt mechanism includes belt and scraper blade, be equipped with the vertical second that is equipped with on the belt and lead to the groove, the scraper blade is fixed to be set up in the below of workstation, and the lower extreme of scraper blade offsets with the up end of belt.

Optionally, a slideway is arranged on the machine base, and the highest end of the slideway is located under the scraper and in the middle of the belt.

Optionally, the flight is V-shaped.

Optionally, four mounting holes are formed in the lower female die, and positioning columns are arranged in the mounting holes; the utility model discloses a keyboard base plate, including the location post, the post includes lower cylinder, upper cylinder and spring, lower cylinder is fixed to be set up on the workstation, and lower cylinder cavity, upper cylinder slides and sets up in the inside of cylinder down, and the upper end of upper cylinder is equipped with location hypoplastron and location upper plate, leaves the location clearance that is used for holding the keyboard bottom plate between location upper plate and the location hypoplastron, and the spring centers on outside cylinder and the upper cylinder down, and the lower extreme of spring is fixed to be set up on the workstation, the upper end and the location hypoplastron fixed connection of spring.

Optionally, a push rod is arranged on the workbench, the push rod is located in the mounting hole, the push rod is located below the positioning lower plate and can abut against the lower end of the positioning lower plate, and the keyboard bottom plate is flush with the upper end face of the lower female die when the push rod abuts against the positioning lower plate.

The working principle and the beneficial effects of the basic scheme are as follows:

in this scheme, go up the terrace die behind the downward punching press keyboard bottom plate, the waste material can follow the terrace die and move down waste material portion, the periphery of waste material portion this moment not with the waste material contact, the waste material does not receive the resistance of side direction, it falls on the belt under the action of gravity, then falls down in being scraped the first logical groove of belt by the scraper blade, need not artifical clearance waste material, cleaning efficiency is also high.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a longitudinal sectional view of the lower die and the table;

fig. 3 is a schematic view of the position of the squeegee.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the automatic material collecting device comprises a raw material roller 1, a driving friction roller 2, a driven friction roller 3, a first motor 4, a first gear 5, a second gear 6, an upper male die 7, a lower female die 8, a positioning column 9, a workbench 10, a belt 11, a driving wheel 12, a driven wheel 13, a second through groove 14, a collecting box 15, a waste material roller 16, a slide way 17, a concave part 18, a waste material part 19, a first through groove 20, a positioning upper plate 21, a positioning lower plate 22, a spring 23, an upper cylinder 24, a lower cylinder 25, a push rod 26, a mounting hole 27, a scraping plate 28 and a second motor 29.

Example one

This embodiment is substantially as shown in fig. 1:

the keyboard bottom plate punching machine comprises a conveyor, a raw material roller 1, a waste material roller 16, a machine base, a workbench 10, an upper male die 7, a lower female die 8 and a punching head.

The raw material roller 1 is wound with a metal plate, and the metal plate is punched to form a keyboard bottom plate.

The conveyer includes casing, two first motors 4 and two transport running rollers, and first motor 4 is fixed to be set up on the casing. The conveying roller comprises an active friction roller 2 and a passive friction roller 3, the active friction roller 2 and the passive friction roller 3 are both rotatably arranged on the shell, and the active friction roller and the passive friction roller are vertically parallel. The driving friction roller 2 is coaxially and fixedly connected with a first gear 5, the driven friction roller 3 is coaxially and fixedly connected with a second gear 6, the first gear 5 is meshed with the second gear 6, and the output end of the first motor 4 is coaxially and fixedly connected with the driving friction roller 2. The metal plate is positioned between the driving friction roller 2 and the driven friction roller 3, and sufficient friction force exists between the driving friction roller 2 and the driven friction roller 3, so that the metal plate can be driven to move forwards when the driving friction roller 2 and the driven friction roller 3 rotate.

The top of frame is fixed and is equipped with a plurality of telescopic cylinder, telescopic cylinder's output and punching press head fixed connection, and the punching press head passes through screw fixed connection with upper punch 7, and the bottom of upper punch 7 is equipped with the bulge that is used for stamping forming.

Referring to fig. 2 and 3, the worktable 10 is fixedly installed on the base, and an installation space is left between the worktable 10 and the base. A conveying belt mechanism is arranged in the mounting space. The conveyor belt mechanism comprises a driving wheel 12, a driven wheel 13, a belt 11 and a second motor 29, the belt 11 is wound on the driving wheel 12 and the driven wheel 13 in a tensioning mode, the output end of the second motor 29 is fixedly connected with the driving wheel 12 in a coaxial mode, a second through groove 14 is vertically formed in the belt 11, and the width of the second through groove 14 is smaller than that of the keyboard bottom plate. A V-shaped scraper 28 is fixedly arranged on the lower end face of the workbench 10, the scraper 28 is positioned below the lower die 8 which is the second from left to right, and the rightmost end of the scraper 28 is positioned above the center of the second through groove 14. An inclined slideway 17 is further arranged in the installation space, the slideway 17 is fixedly arranged on the machine base, and the highest end of the slideway 17 is positioned between the belts 11 and right below the scraper 28 and used for collecting waste materials.

The base is fixedly provided with a collecting box 15, and the collecting box 15 is positioned on the right side of the belt 11 and used for collecting the keyboard bottom plate.

The lower female die 8 is fixedly arranged on the workbench 10 through screws, a plurality of concave parts 18 for forming are arranged on the upper end face of the lower female die 8, and the concave parts 18 are in copying with the convex parts of the upper male die 7. The lower end of the recessed portion 18 is communicated with a scrap portion 19, the cross section of the scrap portion 19 is rectangular, and the length and the width of the scrap portion 19 are larger than those of the recessed portion 18. The bottom of the working table 10 is provided with a plurality of first through grooves 20, the first through grooves 20 are communicated with the waste material portion 19, and the first through grooves 20 are located above the belt 11. The rightmost lower female die 8 and the upper male die 7 are used for cutting the keyboard bottom plate, cutting the keyboard bottom plate from the metal plate, and the keyboard bottom plate falls onto the belt 11 from the waste material part 19 through the first through groove 20 and then is conveyed into the collection box 15 by the belt 11.

Four mounting holes 27 are formed in the lower female die 8, and positioning columns 9 are arranged in the four mounting holes 27. The positioning column 9 comprises a lower column body 25, an upper column body 24 and a spring 23, wherein the lower column body 25 is fixedly arranged on the workbench 10, the lower column body 25 is hollow, the upper column body 24 is slidably arranged in the lower column body 25 and is in clearance fit with the lower column body 25, the upper end of the upper column body 24 is fixedly concentrically provided with a disc-shaped positioning lower plate 22 and a positioning upper plate 21, and a positioning gap for accommodating a keyboard bottom plate is reserved between the positioning upper plate 21 and the positioning lower plate 22. Limiting plates are fixedly arranged on the upper end surfaces of the two positioning lower plates 22 far away from the operation workers, and the limiting plates can block the keyboard bottom plate from moving forwards. The spring 23 surrounds the lower column 25 and the upper column 24, the lower end of the spring 23 is fixedly arranged on the workbench 10, and the upper end of the spring 23 is fixedly connected with the positioning lower plate 22. And a push rod 26 is further arranged in the positioning hole, the lower end of the push rod 26 is fixed on the workbench 10, the push rod 26 is positioned below the positioning lower plate 22 and can abut against the lower end of the positioning lower plate 22, and the keyboard bottom plate is flush with the upper end surface of the lower female die 8 when the push rod 26 abuts against the positioning lower plate 22.

The waste material roller 16 is rotatably arranged on the machine base, the waste material roller 16 is positioned above the collecting box 15, and a handle is coaxially arranged on the waste material roller 16.

The specific implementation process is as follows:

the metal plate is wound on the raw material roller 1, then the metal plate passes through the two groups of conveying roller wheels, then the metal plate is clamped between the positioning upper plate 21 and the positioning lower plate 22, and finally the metal plate is wound on the waste material roller 16.

The first motor 4 and the second motor 29 are started, the first motor 4 drives the driving friction roller 2 to rotate when being started, the driving friction roller 2 drives the driven friction roller 3 to rotate, and then the metal plate moves forwards under the driving of the friction force of the driving friction roller 2 and the driven friction roller 3. When the second motor 29 is activated, the belt 11 starts moving rightward.

And starting the first telescopic cylinder on the left, driving the lower male die to move downwards by the cylinder, driving the keyboard bottom plate to move downwards by the lower male die when the lower male die abuts against the keyboard bottom plate and the positioning upper plate 21, driving the keyboard bottom plate to move downwards by the positioning upper plate 21, the positioning lower plate 22 and the upper cylinder 24 until the positioning lower plate 22 abuts against the ejector rod 26, and positioning the keyboard bottom plate on the upper end surface of the lower female die 8 and flushing the keyboard bottom plate and the ejector rod. Then the upper punch 7 continues to move downwards and completes punching, the upper punch 7 pushes the punched waste into the waste part 19, the waste part 19 is not blocked by the side wall because the size of the waste part 19 is larger than that of the concave part 18, the waste falls freely on the belt 11, and after falling on the belt 11, the waste moves along with the belt 11, is hung in the second through groove 14 of the belt 11 by the scraper 28, and finally falls into the slideway 17 from the second through groove 14 and is collected. Finally, the upper punch 7 moves upwards and the upper cylinder 24 is restored by the action of the spring 23.

After the process is completed, the metal plate is punched for the first time, a part of key holes are punched in the metal plate, the first motor 4 is powered off in the punching process, the metal plate is in a static state, after the first punching is completed, the first motor 4 is started again, the metal plate moves to a position between the second lower female die 8 and the upper male die 7, and then the second punching is performed. During the last stamping operation, the keyboard floor is dropped from the metal sheet, but the metal sheet still has a frame-like waste material, which is wound up on the waste material roll 16.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements 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 utility of the present invention.

Claims

1. Continuous stamping device, including frame, workstation, a plurality of punching press head, last terrace die, lower die, the workstation is fixed to be set up on the frame, leaves installation space between workstation and the frame, the punching press head is connected with last terrace die, the setting can be dismantled on the workstation to the lower die, its characterized in that: the automatic feeding device is characterized by also comprising a conveyor and a conveyor belt mechanism, wherein the conveyor comprises a plurality of groups of conveying rollers, and each group of conveying rollers comprises a rotatable active friction roller and a rotatable passive friction roller; the lower female die is provided with a plurality of concave parts for punch forming, the lower part of each concave part is communicated with a waste part, the cross section of each waste part is rectangular, the length and the width of each waste part are larger than those of each concave part, a first through groove is vertically arranged on the workbench, and the first through groove is communicated with the concave parts; the conveyer belt mechanism is located installation space, and conveyer belt mechanism includes belt and scraper blade, the vertical second that is equipped with on the belt leads to the groove, the scraper blade is fixed to be set up in the below of workstation, and the lower extreme of scraper blade offsets with the up end of belt.

2. Continuous stamping apparatus as claimed in claim 1, wherein: the machine base is provided with a slide way, and the highest end of the slide way is positioned under the scraper and in the middle of the belt.

3. Continuous stamping apparatus as claimed in claim 2, wherein: the scraper is V-shaped.

4. Continuous stamping apparatus as claimed in claim 3, wherein: four mounting holes are formed in the lower female die, and positioning columns are arranged in the mounting holes; the utility model discloses a keyboard base plate, including the location post, the post includes lower cylinder, upper cylinder and spring, lower cylinder is fixed to be set up on the workstation, and lower cylinder cavity, upper cylinder slides and sets up in the inside of cylinder down, and the upper end of upper cylinder is equipped with location hypoplastron and location upper plate, leaves the location clearance that is used for holding the keyboard bottom plate between location upper plate and the location hypoplastron, and the spring centers on outside cylinder and the upper cylinder down, and the lower extreme of spring is fixed to be set up on the workstation, the upper end and the location hypoplastron fixed connection of spring.

5. Continuous stamping apparatus as claimed in claim 4, wherein: the keyboard bottom plate is characterized in that a push rod is arranged on the workbench, the push rod is located in the mounting hole, the push rod is located below the positioning lower plate and can abut against the lower end of the positioning lower plate, and the keyboard bottom plate is flush with the upper end face of the lower female die when the push rod abuts against the positioning lower plate.