CN108127046B - Clamping device for workpiece punching - Google Patents
Clamping device for workpiece punching Download PDFInfo
- Publication number
- CN108127046B CN108127046B CN201711390571.0A CN201711390571A CN108127046B CN 108127046 B CN108127046 B CN 108127046B CN 201711390571 A CN201711390571 A CN 201711390571A CN 108127046 B CN108127046 B CN 108127046B
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- CN
- China
- Prior art keywords
- push rod
- film sticking
- clamping
- film
- punching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B33/00—Packaging articles by applying removable, e.g. strippable, coatings
- B65B33/02—Packaging small articles, e.g. spare parts for machines or engines
Abstract
The invention relates to the technical field of punching, in particular to a clamping device for workpiece punching, which comprises a rack and a punching unit, wherein the punching unit sequentially comprises a conveying belt, a base, a clamping part, a positioning plate and a punching machine, wherein the positioning plate and the punching machine are fixed on the rack; one end of the second push rod is fixed with the air cylinder, the other end of the second push rod is provided with a sliding block, and the sliding block is arranged in the groove in a sliding mode. The technical problem that the punching rate is low due to the fact that the workpiece slides in the punching process is solved.
Description
Technical Field
The invention relates to the technical field of punching, in particular to a clamping device for workpiece punching.
Background
At present, when a punching machine is used for machining a workpiece, the workpiece is often clamped through a clamping device and then can be punched, the existing workpiece clamping device is various in types, small in application range, complex in structure, complex in operation, low in working efficiency and unreliable in workpiece clamping, and the subsequent machining quality or assembly quality of the workpiece is greatly influenced, so that unnecessary economic loss is caused.
In order to solve the above problems: chinese patent with application number CN201520954070.0 discloses a piercing press clamping device, including piercing press body and clamping platform, still include the clamp arm and press from both sides tight briquetting, press from both sides the mobilizable installation of tight briquetting on the clamp arm, clamp arm one end is connected with the piercing press body, and the other end is connected with the clamp platform, be equipped with anti-skidding contact on the clamp arm, through the anti-skidding contact on the clamp arm, can have the effect of reinforcing friction to the work piece of centre gripping, can play the effect of protection work piece and protection clamp arm.
Above-mentioned patent is through pressing from both sides to establish pressure sensor on the piece and know the clamp force to the work piece, has realized the clamp tight to the work piece, nevertheless still has certain problem: because the punch is in the process of punching a workpiece, the punching force of the punch is relatively large, the friction force between the anti-skidding contact points on the clamping arms and the workpiece cannot ensure that the workpiece does not move, the clamping arms are generally suitable for clamping large workpieces, and for workpieces with relatively small sizes, even if the anti-skidding contact points are arranged on the clamping arms, the anti-skidding contact points do not contact with the workpiece due to the fact that the workpiece is small in size, so that the anti-skidding contact points do not play a role, the clamping effect is still not improved, and if the workpiece moves or inclines in various times in the morning of punching, the punching effect is affected, and the final finished product is not qualified.
Disclosure of Invention
The invention aims to provide a clamping device for workpiece punching, which aims to solve the technical problem of low punching rate caused by workpiece sliding in the punching process.
In order to achieve the purpose, the basic scheme of the invention is as follows: the clamping device for workpiece punching comprises a rack and a punching unit, wherein the punching unit sequentially comprises a conveying belt, a base, a clamping part, a positioning plate and a punching machine from bottom to top, a bottom film is arranged on the surface of the conveying belt, the positioning plate is fixed on the rack, a positioning hole is formed in the positioning plate, the punching machine comprises a cylinder and a punch, the first cylinder is vertically fixed on the rack, the punch is fixed on a first piston rod of the first cylinder, a discharging hole is formed in the base, and the discharging hole vertically penetrates through the whole base; the clamping part comprises two clamping units symmetrically arranged along the center line of the discharging hole, each clamping unit comprises a clamping block, a first push rod and a second push rod, the clamping blocks are arranged on the base in a sliding mode, the middle section of each first push rod is hinged to the rack, one end of each first push rod is connected with a ball head of each clamping block, the other end of each first push rod is connected with a spring, the springs are vertically fixed on the rack, and a groove is formed in one end, close to the springs, of each first push rod; one end of the second push rod is hinged to the first piston rod of the first air cylinder, and the other end of the second push rod is provided with a sliding block which is arranged in the groove in a sliding mode.
The principle of the basic scheme is as follows: starting the cylinder, moving down the first piston rod of the first cylinder, applying a downward thrust to the first push rod during the downward movement of the second push rod due to the fact that one end of the second push rod is hinged to the first piston rod, and simultaneously, moving down the second push rod due to the fact that the slide block at the other end of the second push rod is abutted to the chute, rotating down the first push rod due to the fact that the first push rod is hinged to the frame, and moving down the end, close to the spring, of the first push rod after the thrust, and moving horizontally and moving up the middle of the base due to the fact that the first push rod is connected with the clamping block through a ball head, so that the upward displacement of the section, close to the clamping block, of the first push rod is changed into arbitrary rotation on the clamping block, and the first push rod pushes the left and right clamping blocks to be close to the direction of the discharge hole, and puts the stamping die into the stamping position after the clamping block is close to the clamping block, when the stamping die, because the punch still moves downwards, the clamping blocks are continuously closed to clamp the workpiece, and the problem that the workpiece is unstable in fixation when the workpiece is punched is solved.
The beneficial effects of this technical scheme lie in:
1. Set up the drift on the first piston rod, second push rod and first push rod, with the power supply of clamp splice about the drift and promotion of first cylinder, slider on the second push rod supports in the spout on first push rod, the second push rod moves down and makes and produce decurrent thrust to first push rod, first push rod middle part articulates in the frame, the one end that first push rod is close to the spring rotates downwards round the pin joint, the one end that is close to the clamp splice upwards rotates round the pin joint, because first push rod is connected with the clamp splice bulb, consequently, the vertical displacement of first push rod turns into the arbitrary rotation in space of bulb, the clamp splice is drawn close each other about the one end that first push rod is connected with the clamp splice can only promote, realize stamping die's tight location of clamp, the drift of being convenient for punches a hole on stamping die.
2. After punching, the first cylinder drives the punch to move upwards, the first push rod and the second push rod also move towards opposite directions, so that the two clamping blocks are separated, the stamping die automatically falls onto the conveying belt through the discharging hole due to the fact that the clamping force of the clamping blocks is not available, and the stamping die is conveyed to the film sticking unit through the conveying belt.
3. The one end of spring is fixed in the frame, and the other end links to each other with first push rod, plays the cushioning effect to first push rod on the one hand, avoids first push rod to rotate the radian when receiving the thrust of second push rod too big, and is too big to the thrust that the clamp splice produced, wearing and tearing clamp splice, and on the other hand when the spring restores the normal position, gives first push rod an ascending pulling force, makes first push rod drive the clamp splice and gets back to the normal position, relieves stamping die's clamp and presss from both sides tightly, realizes stamping die's unloading.
Further, still include the pad pasting unit, the pad pasting station includes step motor, send membrane portion and sticking film machine, send membrane portion to include pad pasting roller and blowing roller, step motor fixes in the frame, and the pad pasting roller is connected with step motor, radially is equipped with the intercommunicating pore on the pad pasting roller, and the blowing roller is overhead to have the material area, and the blowing roller passes through the material area to be connected on the pad pasting roller, sticking film machine includes second cylinder and the annular pad pasting post of circle, and the pad pasting post is located the pad pasting roller directly over, and the second piston rod on pad pasting post and the second cylinder is fixed.
The material belt on the discharging roller is pasted on the film pasting roller, the stepping motor drives the film pasting roller to rotate, when any one communicating hole is vertically downward, the film pasting roller stops rotating, the film pasting column moves downward, finally, the workpiece enters the annular film pasting column relative to the film pasting column, and the electric heating wire generates heat to paste the film on the workpiece.
further, first push rod and second push rod slope setting on the coplanar, the inclination of first push rod is 145 °, the inclination of second push rod is 45 degrees. If the inclination angle is too small, the first push rod pushes the clamping blocks to move for a small displacement, so that the left clamping block and the right clamping block cannot be ensured to be close to each other, and the stamping die workpiece is clamped; if the inclination angle is too large, the vertical downward component force of the second push rod acting on the first push rod is reduced, and the left clamping block cannot be ensured to be drawn close.
Furthermore, the hinge point of the first push rod and the frame is the central point of the first push rod. The hinge point is arranged at the central point of the first push rod, and the second push rod is used for pushing the first push rod to rotate.
Furthermore, a boss is arranged on one side of the left clamping block opposite to the right clamping block.
When the left clamping block and the right clamping block are closed, the workpiece is placed on the boss, and the boss supports the workpiece.
Furthermore, the number of the communication holes is two, and the communication holes are vertically intersected to form a cross shape. When any one intercommunicating pore is vertical, the film pasting column can be used for pasting the film on the stamping die through the vertical intercommunicating pore, so that the film pasting efficiency is increased, and the waste of the film is reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the film sticking device comprises a frame 1, a conveyor belt 2, a base 3, a discharge hole 31, a sliding chute 32, a clamping block 33, a positioning plate 4, a positioning hole 41, a first air cylinder 5, a first piston rod 6, a punch 7, a punching die 8, a first push rod 10, a hinge point 101, a spring 102, a groove 103, a ball head 104, a second push rod 11, a slide block 110, a film sticking roller 12, a communication hole 121, a discharge roller 13, a film roll 131, a film sticking column 14, a second piston rod 141 and a second air cylinder 142.
The embodiment is basically as shown in the attached figure 1:
Fixing device is used in work piece punching a hole, including frame 1, punching unit and pad pasting unit, wherein:
The station of punching a hole includes conveyer belt 2, base 3, clamping part, locating plate 4 and piercing press, and the upper surface of conveyer belt 2 covers there is the one deck basement membrane, and the top of conveyer belt 2 is equipped with base 3, and base 3 is cylindric, and the upper surface of base 3 is equipped with the vertical discharge opening 31 that runs through whole base 3, and discharge opening 31 and base 3 concentric line, and the upper surface of base 3 still radially is equipped with two spouts 32 that set up with discharge opening 31 central line bilateral symmetry, spout 32 and discharge opening 31 intercommunication.
The clamping part comprises two clamping units, the two clamping units are also arranged in bilateral symmetry with the center line of the discharging hole 31, each clamping unit comprises a first push rod 10, a second push rod 11 and a clamping block 33, the first push rod 10 is obliquely arranged by taking the horizontal plane as a reference, the inclination angle is 145 degrees, the middle part of the first push rod 10 is hinged with the rack 1, the hinge point 101 is the center point of the first push rod 10, one end of the first push rod 10 is hinged with a ball head 104, the other end of the first push rod 10 is fixedly provided with a spring 102, the spring 102 is vertically fixed on the rack 1, and one side of the first push rod 10 close to the spring 102 is also provided with a groove 103; the second push rod 11 and the first push rod 10 are on the same plane, the second push rod 11 is also obliquely arranged and has an inclination angle of 45 degrees, the second push rod 11 is hinged on the first piston rod of the first air cylinder 5, the free end of the second push rod 11 is fixedly provided with a sliding block 110, and the sliding block 110 is arranged in the groove 103 and can slide in the groove 103; the clamping block 33 can slide left and right in the sliding groove 32, the clamping block 33 is semi-cylindrical, a boss is arranged on one side, close to the discharging hole 31, of the clamping block 33, the punching die 8 can be placed on the boss, and a rotating groove used for containing the ball head 104 is arranged on one side, far away from the discharging hole 31, of the clamping block 33.
The positioning plate 4 is rectangular and fixed on the frame 1 through screws, a positioning hole 41 which vertically penetrates through the positioning plate 4 is arranged on the positioning plate 41, the positioning hole 41 is circular, and the positioning hole 41 is opposite to the discharging hole 31.
The punching machine comprises a first air cylinder 5 and a punch 7, wherein the first air cylinder 5 is vertically fixed on the frame 1, the punch 7 is opposite to the positioning hole 41, and the punch 7 is fixed with the first air cylinder 5 through a first piston rod 6 on the first air cylinder 5.
the film sticking unit comprises a stepping motor, a film feeding part and a film sticking machine, wherein the stepping motor is fixed on the frame 1, the film feeding part comprises a film sticking roller 12 and a discharging roller 13, the film sticking roller 12 is also fixed on the frame 1 through a cantilever, the film sticking roller 12 is rotationally connected with an output shaft of the stepping motor, a through communicating hole 121 is radially arranged on the film sticking roller 12, a workpiece 8 can pass through the communicating hole 121, the number of the communicating holes 121 is two, and the two communicating holes are vertically intersected to form a cross shape; the discharging roller 13 is fixed with the frame 1, the discharging roller 13 is sleeved with a film roll 131, the film roll 131 is formed by rolling a long film strip, and the film on the film roll 131 is fixed on the film sticking roller 12. The film sticking machine comprises a second cylinder 142 fixed on the frame 1, a film sticking column 14 is fixed on a second piston rod 141 of the second cylinder 142, the film sticking column 14 is annular, an electric heating wire is arranged at the bottom of the film sticking column 14, when any communication hole 121 in the film sticking roller 12 is opposite to the film sticking column, the film sticking roller 12 stops rotating, and the film sticking column 14 penetrates through the communication hole 121 to stick a film to a workpiece.
When the punching die specifically works, the first air cylinder 5 is started, the first piston rod 6 on the first air cylinder 5 moves downwards, the left and right second push rods 11 fixed on the first piston rod 6 also move downwards to push the two first push rods 10 to rotate anticlockwise around respective hinge points with the rack 1, so that the left and right clamping blocks 33 are pushed to approach each other towards the direction of the discharge hole 31, wherein the clamping blocks 33 are connected with the first push rods 10 through the ball heads 104, the first push rods 10 convert the upward movement into the random rotation of the ball heads 104 in the rotating grooves, after the two clamping blocks 33 approach each other, the punching die 8 is placed on a boss of the clamping blocks 33, and when the punching die 8 is punched, the two clamping blocks 33 clamp the die tightly. After punching, the first piston rod 6 drives the punch 7 to move upwards, the second push rod 11, the first push rod 10 and the clamping blocks 33 are driven to move towards opposite directions, the left clamping block 33 and the right clamping block 33 are separated, and the punching die automatically falls onto the conveyor belt 2 from the discharge hole 31 due to the fact that the clamping force of the clamping blocks is lost.
The conveying belt 2 conveys the punching die 8 to the position right below the film sticking roller 12, when the film sticking roller 12 rotates to any communicating hole to be opposite to the punching die 8 and the film sticking column 14, the film sticking roller 12 stops rotating, the second air cylinder 142 is started at the moment, the second piston rod 141 moves downwards to drive the film sticking column 14 to move downwards, the film sticking column 14 penetrates through the communicating hole 121, the heating wire in the film sticking column separates the film at the communicating hole 121, the film sticking column 14 continues to move downwards, the separated film is stuck to the surface of the punching die 8 to form an upper film, the upper film is stuck to the bottom film on the conveying belt 2 through the heating wire, and the film sticking of the workpiece is completed. After the lamination is completed, the lamination roller 12 continues to rotate to prepare for lamination of the next punching die 8.
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 (4)
1. Work piece punches a hole and uses clamping device, including frame and the unit of punching a hole, the unit of punching a hole from the bottom up includes conveyer belt, base, clamping part, locating plate and piercing press in proper order, and the surface of conveyer belt is equipped with the basement membrane, and the locating plate is fixed in the frame, is equipped with the locating hole on the locating plate, and the piercing press includes first cylinder and drift, and vertical the fixing in the frame of first cylinder, the drift is fixed on the first piston rod of first cylinder, its characterized in that: the base is provided with a discharge hole, and the discharge hole vertically penetrates through the whole base; the clamping part comprises two clamping units symmetrically arranged along the center line of the discharging hole, each clamping unit comprises a clamping block, a first push rod and a second push rod, the clamping blocks are arranged on the base in a sliding mode, the middle section of each first push rod is hinged to the rack, one end of each first push rod is hinged to the clamping block, the other end of each first push rod is connected with a spring, the springs are vertically fixed on the rack, and a groove is formed in one end, close to the springs, of each first push rod; one end of the second push rod is hinged with the first piston rod of the first air cylinder, and the other end of the second push rod is provided with a sliding block which is arranged in the groove in a sliding manner; the film sticking machine is characterized by further comprising a film sticking unit, wherein the film sticking unit comprises a stepping motor, a film feeding part and a film sticking machine, the stepping motor is fixed on the frame, the film feeding part comprises a film sticking roller and a discharging roller, the film sticking roller is connected with the stepping motor, a communication hole is radially formed in the film sticking roller, a film belt is arranged on the discharging roller, the discharging roller is connected to the film sticking roller through the film belt, the film sticking machine comprises a second cylinder and a circular film sticking column, the film sticking column is positioned right above the film sticking roller, and the film sticking column is fixed with a second piston rod on the second cylinder; the first push rod and the second push rod are arranged on the same plane in an inclined mode, the inclination angle of the first push rod is 145 degrees, and the inclination angle of the second push rod is 45 degrees.
2. The clamping device for workpiece punching according to claim 1, characterized in that: the hinge point of the first push rod and the frame is the central point of the first push rod.
3. The clamping device for workpiece punching according to claim 2, characterized in that: and a boss is arranged on one side of the clamping block close to the discharge hole.
4. The clamping device for workpiece punching according to claim 1, characterized in that: the number of the communicating holes is two, and the two communicating holes are vertically intersected to form a cross shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711390571.0A CN108127046B (en) | 2017-12-21 | 2017-12-21 | Clamping device for workpiece punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711390571.0A CN108127046B (en) | 2017-12-21 | 2017-12-21 | Clamping device for workpiece punching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108127046A CN108127046A (en) | 2018-06-08 |
| CN108127046B true CN108127046B (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711390571.0A Active CN108127046B (en) | 2017-12-21 | 2017-12-21 | Clamping device for workpiece punching |
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| Country | Link |
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| CN (1) | CN108127046B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930107B (en) * | 2021-01-23 | 2022-04-15 | 深圳市嘉之宏电子有限公司 | Full-automatic machine pastes spacing mould |
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|---|---|---|---|---|
| DE19925087C2 (en) * | 1999-06-01 | 2002-11-21 | Rmh Polymers Gmbh & Co Kg | Device for bubble-free and wrinkle-free coating of optical or electronic components with one-sided adhesive protective film |
| CN101898218A (en) * | 2010-07-23 | 2010-12-01 | 中国重型机械研究院有限公司 | Automatic centering clamping feeding and discharging device |
| CN104150034A (en) * | 2014-08-06 | 2014-11-19 | 安徽瓦尔特机械贸易有限公司 | Semi-finished pancake plastic-packaging device |
| CN204587392U (en) * | 2015-04-23 | 2015-08-26 | 深圳市联懋塑胶有限公司 | Digital product controls film sticking apparatus automatically |
| CN204776215U (en) * | 2015-04-30 | 2015-11-18 | 浙江触捷光电科技有限公司 | Two -sided sticking film machine of cell -phone base plate |
| CN106623566A (en) * | 2016-12-14 | 2017-05-10 | 王蓝 | Stamping-type press machine with synchronous clamping function |
-
2017
- 2017-12-21 CN CN201711390571.0A patent/CN108127046B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19925087C2 (en) * | 1999-06-01 | 2002-11-21 | Rmh Polymers Gmbh & Co Kg | Device for bubble-free and wrinkle-free coating of optical or electronic components with one-sided adhesive protective film |
| CN101898218A (en) * | 2010-07-23 | 2010-12-01 | 中国重型机械研究院有限公司 | Automatic centering clamping feeding and discharging device |
| CN104150034A (en) * | 2014-08-06 | 2014-11-19 | 安徽瓦尔特机械贸易有限公司 | Semi-finished pancake plastic-packaging device |
| CN204587392U (en) * | 2015-04-23 | 2015-08-26 | 深圳市联懋塑胶有限公司 | Digital product controls film sticking apparatus automatically |
| CN204776215U (en) * | 2015-04-30 | 2015-11-18 | 浙江触捷光电科技有限公司 | Two -sided sticking film machine of cell -phone base plate |
| CN106623566A (en) * | 2016-12-14 | 2017-05-10 | 王蓝 | Stamping-type press machine with synchronous clamping function |
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| Publication number | Publication date |
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| CN108127046A (en) | 2018-06-08 |
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Effective date of registration: 20200902 Address after: Room c506a-19, University Business Park, No. 99, University Road, Xuzhou hi tech Industrial Development Zone, 221000, Jiangsu Province Patentee after: Xuzhou Tiancheng Intelligent Technology Co.,Ltd. Address before: 400039 Chongqing Jiulongpo Branch City Road No. 129, building 2, No. 17-3 Patentee before: CHONGQING QIANQIAO ELECTROMECHANICAL Co. |