CN109648836B - Bending clamping device - Google Patents

Bending clamping device Download PDF

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Publication number
CN109648836B
CN109648836B CN201811616942.7A CN201811616942A CN109648836B CN 109648836 B CN109648836 B CN 109648836B CN 201811616942 A CN201811616942 A CN 201811616942A CN 109648836 B CN109648836 B CN 109648836B
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CN
China
Prior art keywords
chuck
briquetting
holder
clamping
clamp
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CN201811616942.7A
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Chinese (zh)
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CN109648836A (en
Inventor
蒉旭冬
王明洋
孟祥亮
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Ningbo Hongxie Automotive Parts Co ltd
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Ningbo Hongxie Automotive Parts Co ltd
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Priority to CN201811616942.7A priority Critical patent/CN109648836B/en
Publication of CN109648836A publication Critical patent/CN109648836A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02Bending or folding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80Component parts, details or accessories; Auxiliary operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/26Sealing devices, e.g. packaging for pistons or pipe joints
    • B29L2031/265Packings, Gaskets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention provides a bending clamping device, and belongs to the technical field of automobile accessory machining equipment. This crooked clamping device includes the holder, sets up the tight hydro-cylinder of clamp at the holder lateral part, the holder middle part is equipped with the work breach, installs relative briquetting and the chuck structure that sets up in the work breach, tight hydro-cylinder of clamp passes the holder and the briquetting is connected, tight hydro-cylinder of clamp is used for driving the briquetting and towards the direction displacement of being close to or keeping away from the chuck structure, has the fillet towards one side middle part demountable installation of chuck structure at the briquetting face, the chuck structure includes upper and lower interval distribution's the chuck of moving, decides the chuck, decide the clearance between the two of chuck just to setting up with moving, is equipped with the chuck inclined plane of slope towards the lateral part of briquetting moving the chuck face, is equipped with the briquetting inclined plane with chuck inclined plane adaptation on the briquetting. The bending clamping device has the advantages of simple structure, convenience in use, avoidance of product deformation and improvement of production efficiency.

Description

Bending clamping device
Technical Field
The invention belongs to the technical field of automobile accessory processing equipment, and relates to a bending clamping device.
Background
In the lifting process of the automobile door glass, in order to prevent the automobile door glass from shaking left and right, a water cutter (or called as a door glass sealing strip) is respectively arranged inside and outside the automobile door glass, and the outer surface of the automobile door glass is called as an outer water cutter to play roles in decoration and sealing. Because the car door has a certain radian, the matched outer water cutter also needs to be correspondingly bent. The outer water cutter can be subjected to the operation of a bending process by bending equipment, the outer water cutter is fixed by the clamping device and moved to the die seat, and the outer water cutter is subjected to plasticity by the die seat. The outer water cutting material is soft and the opening is large, so that the clamping end is easy to deform seriously.
In the current market, in order to reduce the deformation influence of the clamping device on the external water cutting, a section of insertion strip is usually plugged at the opening of a product at the clamping end, and the continuous plugging and the continuous pulling out of the insertion strip are time-consuming and unsafe, so that the production efficiency is reduced.
In summary, in order to solve the problem that the conventional bending clamping device is easy to deform the product, a bending clamping device which has a simple structure and is convenient to use, can avoid the product from deforming and can improve the production efficiency needs to be designed.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a bending clamping device which is simple in structure, convenient to use, capable of avoiding product deformation and improving production efficiency.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a crooked clamping device, includes the holder, sets up the tight hydro-cylinder of clamp at the holder lateral part, the holder middle part is equipped with the work breach, installs the relative briquetting and the chuck structure that sets up in the work breach, it passes holder and briquetting connection to press from both sides tight hydro-cylinder, press from both sides tight hydro-cylinder and be used for driving the briquetting towards the direction displacement of being close to or keeping away from the chuck structure, but at briquetting face towards one side middle part demountable installation of chuck structure have a fillet, the chuck structure includes upper and lower interval distribution move the chuck, decide the chuck, the fillet with move the chuck, decide the clearance between the chuck the two just to setting up, moving the chuck face and being equipped with the chuck inclined plane of slope towards the lateral part of briquetting, be equipped with the briquetting inclined plane with chuck inclined plane adaptation on the briquetting.
As a further improvement of the invention, a stop block which is positioned above the movable chuck and used for limiting the movable chuck is detachably arranged on the clamping seat, the chuck structure comprises a chuck base used for installing the movable chuck and the fixed chuck, and the chuck base is positioned below the stop block and connected with the clamping seat.
As a further improvement of the invention, the movable chuck is provided with clamping teeth facing the fixed chuck, and the fixed chuck is provided with clamping teeth matched with the clamping teeth on the movable chuck.
As a further improvement of the invention, the fixed chuck is provided with a through hole, and a limit block is arranged in the through hole.
As a further improvement of the invention, a vertical connecting rod is arranged in the pressing block, and the insertion strip is inserted on the connecting rod.
Based on the technical scheme, the embodiment of the invention can at least produce the following technical effects: the bending clamping device is simple in overall structure design and convenient to operate, a product is clamped tightly through the matching of the movable chuck, the fixed chuck and the pressing block, the insertion strip is detachably arranged in the middle of the pressing block and can be inserted into an opening of the product, and the current work of continuously adding and pulling out the insertion strip is omitted; when the device works, the insertion strip is inserted into the opening of a product, the piston rod of the oil cylinder pushes the pressing block to move towards the chuck, the side face of the chuck and the side face of the pressing block slide relatively and drive the movable chuck to move towards the fixed chuck until the product is clamped, and during return stroke, the piston rod drives the pressing block to be far away from the chuck and the movable chuck moves upwards; compared with the prior bending clamping mode, the clamping device has the advantages that the clamping device is additionally provided with a section of insertion strip near the clamping end, so that the deformation influence on a product caused by the additional clamping is reduced, the time and the safety are high, after the clamping device is adopted, the time for additionally plugging and pulling out the insertion strip is saved, the operation is safe, the product deformation is small, the step length of the product is shortened, the production time and the cost are saved, the product deformation is avoided, and the production efficiency is improved.
Drawings
Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic view of the curved clamping device of the present invention shown in an expanded configuration.
FIG. 2 is a schematic view of the bending fixture of the present invention in a compressed state.
FIG. 3 is a partial structural diagram of a preferred embodiment of the present invention.
Fig. 4 is a schematic view of the structure of fig. 2 from another view angle.
Fig. 5 is a sectional view taken along the line a-a in fig. 4.
Fig. 6 is a sectional view taken along line B-B in fig. 4.
In the figure, 100, the holder; 200. clamping the oil cylinder; 210. a piston rod; 300. briquetting; 310. a fillet; 320. a connecting rod; 400. a chuck base; 500. a stopper; 600. a movable chuck; 700. a spring; 800. fixing a chuck; 810. a limiting block; 900. and clamping the teeth.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 6.
As shown in fig. 1 to 6, the bending clamping device includes a clamping base 100, and a clamping cylinder 200 disposed at a side of the clamping base 100, wherein a working gap is disposed at a middle portion of the clamping base 100, a pressing block 300 and a chuck structure which are disposed oppositely are installed in the working gap, the clamping cylinder 200 penetrates the clamping base 100 and the pressing block 300 to be connected, the clamping cylinder 200 is used for driving the pressing block 300 to move toward a direction close to or away from the chuck structure, a fillet 310 is detachably installed at a middle portion of one side of the pressing block 300 facing the chuck structure, the chuck structure includes a movable chuck 600 and a fixed chuck 800 which are vertically distributed at intervals, a gap between the fillet 310 and the movable chuck 600 and the fixed chuck 800 is just opposite to the arrangement, an inclined chuck inclined surface is disposed at a side of the movable chuck 600 facing the pressing block 300, and an inclined surface of the pressing block 300 which is.
The invention protects a bending clamping device, in particular an external water cutting bending clamping device, which has the advantages of simple overall structure design, convenient operation, safety and reliability, can avoid product deformation, reduce the production period of products, improve the production efficiency and provide a platform for subsequent automatic service and installation.
Specifically, the bending clamping device is simple in overall structure design and convenient to operate, a product is clamped tightly through the matching of the movable clamping head 600, the fixed clamping head 800 and the pressing block 300, the insertion strip 310 is detachably arranged in the middle of the pressing block 300, the insertion strip 310 can be inserted into an opening of the product, and the current work of continuously plugging and pulling out the insertion strip 310 is omitted; when the product clamping device works, the insertion strip 310 is inserted into a product opening, the piston rod 210 of the oil cylinder pushes the pressing block 300 to move towards the chuck, the side face of the chuck and the side face of the pressing block 300 slide relatively, the movable chuck 600 is driven to move towards the fixed chuck 800 until a product is clamped, and when the product returns, the piston rod 210 drives the pressing block 300 to be far away from the chuck, and the movable chuck 600 moves upwards; compared with the existing bending clamping mode, the clamping device has the advantages that the deformation influence on products caused by clamping is reduced by additionally plugging one section of insertion strip 310 near the clamping end, time is saved, the clamping device is unsafe to operate, the plugging and pulling-out time of the insertion strip 310 is saved, the product deformation is small, the step length of the products is shortened, the production time and the production cost are saved, the product deformation is avoided, and the production efficiency is improved.
As a preferred or alternative embodiment, a stopper 500 for stopping the movable chuck 600 is detachably mounted on the holder 100 above the movable chuck 600, and the stopper 500 limits the moving range of the movable chuck 600, and the chuck structure includes a chuck base 400 for mounting the movable chuck 600 and the fixed chuck 800, and the chuck base 400 is located below the stopper 500 and connected to the holder 100.
Preferably, the movable chuck 600 is provided with clamping teeth 900 facing the fixed chuck 800, and the fixed chuck 800 is provided with clamping teeth 900 matched with the clamping teeth 900 on the movable chuck 600.
The chuck structure comprises a chuck base 400 for mounting the movable chuck 600 and the fixed chuck 800, wherein the chuck base 400 is located below the stopper 500 and connected with the chuck base 100.
Further, the movable chuck 600 is provided with clamping teeth 900 facing the fixed chuck 800, and the fixed chuck 800 is provided with clamping teeth 900 adapted to the clamping teeth 900 on the movable chuck 600.
Further, the fixed chuck 800 is provided with a through hole, and a limit block 810 is installed in the through hole; the pressing block 300 is internally provided with a vertical connecting rod 320, and the insertion strip 310 is inserted into the connecting rod 320.
In the invention, the whole clamping seat 100 is C-shaped, the clamping cylinder 200 is arranged outside the clamping seat 100, the clamping cylinder 200 comprises a piston rod 210, the piston rod 210 penetrates through the end surface of the clamping seat 100 and is fixedly connected with the pressing block 300, the middle of one side, away from the clamping cylinder 200, of the pressing block 300 is detachably provided with a fillet 310, the pressing block 300 faces the movable chuck 600, one side of the pressing block is provided with an inclined surface, the inside of the end surface, away from the clamping cylinder 200, of the clamping seat 100 is provided with a chuck base 400, the chuck base 400 faces one side of the pressing block 300 and is sequentially provided with a stop block 500, the movable chuck 600, a spring 700 and a fixed chuck 800 from top to bottom to limit the moving range of the movable chuck 600, the side, close to the pressing block 300, of the movable chuck 600 is provided with the inclined surface, and the inclined surface is matched with the inclined surface to drive the movable chuck 600 to be close to the pressing block 300.
Above-mentioned scheme is through moving chuck 600, deciding mutual cooperation of chuck 800 and briquetting 300, firmly grasps the product, and the middle panel strip 310 that can dismantle of briquetting 300 simultaneously sets up, panel strip 310 inserts the product opening part to reduce the product and warp, and this clamping device simple structure, convenient to use, can effectively improve productivity ratio.
Through the mutual matching of the movable clamping head 600, the fixed clamping head 800 and the pressing block 300, a vertical connecting rod 320 is arranged inside the pressing block 300, and the insertion strip 310 is inserted on the connecting rod 320. The surfaces of the movable clamping head 600 and the fixed clamping head 800, which are contacted with the product, are provided with clamping teeth 900. The product clamping force is improved through the occlusion force of the clamping teeth 900, and the product is prevented from falling off due to insufficient clamping force.
Furthermore, as shown in fig. 3 and 5, the fixed chuck 800 is provided with a through hole which is communicated vertically, a limit block 810 is installed in the through hole, the limit block 810 is used for positioning the end of a product, so that the product cannot move freely in the horizontal direction, and the processing precision is improved.
In order to simplify the installation and connection manner of the movable clamp 600, the fixed clamp 800 and the clamp base 400, as shown in fig. 2 and fig. 3, a vertical guide pillar is arranged on one side of the clamp base 400 facing the pressing block 300, a groove matched with the guide pillar is arranged on one side of the fixed clamp 800 and the movable clamp 600 facing the clamp base 400, and the movable clamp 600, the fixed clamp 800 and the clamp base 400 are firmly connected through the matching of the guide pillar and the groove. In the present case, the cross section of the guide pillar is a rectangular structure or a trapezoidal structure, and in practical application, the shape of the guide pillar may be various shapes, and is not limited to the case shown in the embodiment.
As shown in fig. 1 to 3, when the piston rod 210 of the clamping cylinder 200 drives the pressing block 300 to return, in order to enable the movable chuck 600 to move upwards along the chuck base 400, a spring 700 needs to be arranged between the movable chuck 600 and the fixed chuck 800, the movable chuck 600 is away from the fixed chuck 800 by the elastic force of the spring 700, preferably, the spring 700 is arranged on two sides of a guide pillar of the chuck base 400, and a groove for placing the spring 700 is arranged at a contact position of the movable chuck 600 and the fixed chuck 800 with the spring 700.
When the pressing block 300 is in operation, the inclined plane of the pressing block 300 is matched with the inclined plane of the movable chuck 600 to drive the movable chuck 600 to approach the fixed chuck 800 along the chuck base 400, the elastic force of the spring 700 needs to be overcome, and when the pressing block 300 is driven by the piston rod 210 to move towards the clamping cylinder 200 during return stroke, the movable chuck 600 moves along the chuck base 400 in the direction away from the fixed chuck 800 under the resilience force of the spring 700 until contacting with the stop block 500.
Further, the stopper 500 is provided with at least one through hole corresponding to the through hole, the chuck base 400 is provided with a corresponding blind hole, and the stopper 500 and the chuck base 400 are fixedly connected through bolts, preferably two through holes in this case.
Further, as shown in fig. 6, a hole structure in the vertical direction is arranged inside the pressing block 300, a connecting rod 320 is arranged in the hole structure, a hole structure matched with the shape of the insertion strip 310 is arranged at a position where the pressing block 300 is connected with the insertion strip 310, the insertion strip 310 is inserted into the connecting rod 320, and in this case, the connecting rod 320 is fixed inside the pressing block 300 by a bolt connection.
The clamping seat 100 is provided with at least one through hole, so that the clamping seat 100 can be fixed at a required position, in the present case, the through hole is arranged on a side surface and/or an end surface of the clamping seat 100 away from the clamping cylinder 200, and in practical application, the position of the through hole is provided with various options, which is not limited to the situation described in the present case.
In summary, the working principle of the bending clamping device is as follows:
1. firstly, a product to be bent is placed above the clamping teeth 900 of the fixed clamping head 800, the limited block 810 is used as an end part for positioning (in the X direction), and the clamping head base 400 is used for longitudinal primary positioning;
2. the piston rod 210 of the clamping cylinder 200 is pushed forwards (in the Y direction) to drive the pressing block 300 and the insertion strip 310 to move together, the insertion strip 310 enters the product opening preferentially, in the process that the piston rod 210 of the clamping cylinder 200 moves continuously, the pressing block 300 forces the movable chuck 600 to move downwards (in the Z direction), the movable chuck 600 moves downwards continuously to drive the product and the insertion strip 310 to contact and clamp the fixed chuck 800;
3. bending the product by a bending die and a bending machine to meet the requirements of a detection tool and a control plan;
4. after the bending is completed, the piston rod 210 of the clamping cylinder 200 retracts (in the Y direction), and drives the pressing block 300 and the embedded block to retract together, and the movable chuck 600 retracts upwards (in the Z direction) under the elastic force of the spring 700 and finally contacts with the baffle.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (4)

1. A bend clamping device characterized by: including the holder, set up the tight hydro-cylinder of clamp at the holder lateral part, the holder is whole to be C type structure setting and the middle part is equipped with the work breach, installs relative briquetting and the chuck structure that sets up in the work breach, tight hydro-cylinder of clamp passes the holder and the briquetting is connected, tight hydro-cylinder of clamp is used for driving the briquetting towards the direction displacement of being close to or keeping away from the chuck structure, and demountable installation has the fillet towards one side middle part of chuck structure at the briquetting face, chuck structure includes upper and lower interval distribution moves the chuck, decides the chuck with decide and be provided with the spring between the chuck, the fillet with move the chuck, decide the clearance between the chuck the two just to setting up, move the chuck face towards the lateral part of briquetting and be equipped with the chuck inclined plane of slope, be equipped with the briquetting inclined plane with chuck inclined plane adaptation on the briquetting, demountable installation has the dog that is located and moves the chuck top and be used for spacing to move the chuck on the holder, the chuck structure moves the chuck base of chuck and fixed chuck including being used for the installation, the chuck base is located the dog below and links to each other with the holder, works as the inclined plane of briquetting with the inclined plane of moving the chuck is mutually supported, drives move the chuck and follow the chuck base orientation when deciding the chuck and being close to, need overcome spring force, during the return stroke, work as the briquetting is driven by the piston rod and is faced when the clamping cylinder removes, it is in to move the chuck under the spring force effect, follow the chuck base orientation is kept away from decide the direction of chuck and remove, until with the dog contact.
2. The bend clamp apparatus of claim 1, wherein: the movable chuck is provided with clamping teeth facing the fixed chuck, and the fixed chuck is provided with clamping teeth matched with the clamping teeth on the movable chuck.
3. The bend clamp apparatus of claim 1, wherein: the fixed chuck is provided with a through hole, and a limiting block is arranged in the through hole.
4. The bending clamp according to any one of claims 1 to 3, wherein: the pressing block is internally provided with a vertical connecting rod, and the insertion strip is inserted into the connecting rod.
CN201811616942.7A 2018-12-28 2018-12-28 Bending clamping device Active CN109648836B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811616942.7A CN109648836B (en) 2018-12-28 2018-12-28 Bending clamping device

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Application Number Priority Date Filing Date Title
CN201811616942.7A CN109648836B (en) 2018-12-28 2018-12-28 Bending clamping device

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CN109648836A CN109648836A (en) 2019-04-19
CN109648836B true CN109648836B (en) 2021-07-27

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112677173B (en) * 2020-12-11 2022-04-08 贵州电网有限责任公司 Buckling type electric shock prevention signboard safety operating rod and using method
CN112809045B (en) * 2021-01-16 2022-06-24 哈尔滨安宇迪航空工业有限公司 Auxiliary drilling device for aircraft part manufacturing
CN113385903A (en) * 2021-07-23 2021-09-14 贵州航天精工制造有限公司 Method and device for processing spring piece by using bar

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202668116U (en) * 2012-06-06 2013-01-16 浙江约特工具有限公司 Saw blade clamp device
CN203125930U (en) * 2012-12-26 2013-08-14 信义汽车玻璃(深圳)有限公司 Bending tool for automotive glass adhesive tape
CN207772438U (en) * 2018-01-17 2018-08-28 秦皇岛方华埃西姆机械有限公司 A kind of clamping structure of floating fuse
CN207900710U (en) * 2018-02-08 2018-09-25 昆山世烨鼎精密模具有限公司 Automatic positioning type jig

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202668116U (en) * 2012-06-06 2013-01-16 浙江约特工具有限公司 Saw blade clamp device
CN203125930U (en) * 2012-12-26 2013-08-14 信义汽车玻璃(深圳)有限公司 Bending tool for automotive glass adhesive tape
CN207772438U (en) * 2018-01-17 2018-08-28 秦皇岛方华埃西姆机械有限公司 A kind of clamping structure of floating fuse
CN207900710U (en) * 2018-02-08 2018-09-25 昆山世烨鼎精密模具有限公司 Automatic positioning type jig

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