CN112026158A - Magnetic control clamping device for transversely pulling film - Google Patents
Magnetic control clamping device for transversely pulling film Download PDFInfo
- Publication number
- CN112026158A CN112026158A CN202010849798.2A CN202010849798A CN112026158A CN 112026158 A CN112026158 A CN 112026158A CN 202010849798 A CN202010849798 A CN 202010849798A CN 112026158 A CN112026158 A CN 112026158A
- Authority
- CN
- China
- Prior art keywords
- mounting plate
- plate
- magnetic control
- clamping
- chain
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/20—Edge clamps
Abstract
The invention discloses a magnetic control clamping device for transversely pulling a film, which comprises a mounting plate, a magnetic control assembly arranged on the mounting plate, a bracket arranged at the bottom of the mounting plate and a push plate arranged on the bracket, wherein the magnetic control assembly comprises a magnetic control assembly and a magnetic control assembly; the magnetic control assembly is used for driving the clip handle of the chain clip to rotate under the action of magnetic force to realize closing of the clip. According to the magnetic control clamping device, the push plate is arranged beside the magnetic control assembly, so that when clamping cannot be performed due to the fact that some chain clamps rotate in place due to the fact that magnetic attraction acting force is insufficient or rotation resistance is too large, the chain handles are in rigid contact with the push plate, then the clamp handles rotate gradually in the clamping direction under the pushing of the push plate, the film clamping surfaces of the clamp handles and the film clamping openings of the clamp bodies clamp films, the success of clamping of each chain clamp is guaranteed, and the films can be stretched smoothly.
Description
Technical Field
The invention relates to the technical field of film stretching production lines, in particular to a magnetic control clamping device for film transverse pulling.
Background
The chain tongs are widely used in the film stretching production line and are arranged on the annular guide rails and guided by the guide rails during movement, a set of bilaterally symmetrical annular guide rails are arranged on two sides of the film, and the chain tongs on the guide rails on the two sides run synchronously. And (3) feeding the two sides of the thick film to be stretched into the chain clips, closing the chain clips, and enabling the chain clips on the two sides of the thin film to move towards the two outer sides along with the pulling of the thin film by the width change between the guide rails on the two sides so as to achieve the purpose of transverse stretching. Because the mechanical clamping closing device completes clamping by lifting and pressing the clamping handle, the clamping handle is high in impact force, and when the chain clamp clamps a wide and thin film or a thin film with low mechanical strength in a clamping hot state, the thin film at the position of the clamping opening is subjected to high shearing force at the moment of clamping the clamping handle, so that the clamping is easily broken or torn. However, the clip handles of some chain clips cannot rotate in place to complete clamping after the action of the magnetic control clamping closing device, and cannot effectively clamp the thin film, so that the stretching of the thin film is influenced.
It is seen that improvements and enhancements to the prior art are needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a magnetic control film transverse pulling clamping device, which aims to ensure that each chain clip can complete the clamping action and effectively clamp a film.
In order to achieve the purpose, the invention adopts the following technical scheme:
a magnetic control clamping device for transversely pulling a film comprises a mounting plate, a magnetic control assembly arranged on the mounting plate, a bracket arranged at the bottom of the mounting plate and a push plate arranged on the bracket; the magnetic control assembly is used for driving the clamping handle of the chain clamp to rotate through magnetic force to achieve clamping closing, the push plate is located beside the magnetic control assembly, and the push plate is used for pushing the chain handle which cannot rotate in place under the action of the magnetic control assembly to rotate in place.
The push plate level sets up and is right trapezoid under the horizontal projection, and the terminal surface at its right trapezoid's oblique waist place is towards the pincers handle, and the one end that the oblique waist is close to chain pincers input port is less than the one end that the oblique waist is close to chain pincers delivery outlet.
The mounting panel passes through the pivot setting on a fixed plate, but the mounting panel swing of fixed plate relatively.
The fixed plate is provided with a linear driving mechanism, the output end of the linear driving mechanism is in transmission connection with the mounting plate through a connecting seat, the fixed plate is provided with a hinge seat, and the tail part of the linear driving mechanism is hinged with the hinge seat; the linear driving mechanism is used for driving the mounting plate to swing around the rotating shaft.
The connecting seat comprises a connecting head and a U-shaped plate which are connected with each other, the mounting plate is arranged on the inner side of the U-shaped plate, a bearing is arranged on the mounting plate, a first pin shaft connected with the inner ring of the bearing is fixedly arranged on the U-shaped plate, and the outer ring of the bearing is fixedly connected with the mounting plate.
The rotating shaft comprises a second pin shaft vertically arranged on the fixed plate, a positioning sleeve sleeved on the periphery of the second pin shaft and a connecting sleeve sleeved on the periphery of the positioning sleeve, and a self-lubricating bearing is arranged between the positioning sleeve and the connecting sleeve; the mounting plate is fixedly connected with the connecting sleeve.
The magnetic control assembly comprises a plurality of magnetic boxes which are arranged at the bottom of the mounting plate and are arranged along the length direction of the mounting plate, and waist-shaped holes which are equal to the magnetic boxes in number and correspond to the magnetic boxes one by one are formed in the mounting plate; each kidney-shaped hole extends in the width direction of the mounting plate.
The magnetic box comprises a box body with an upper opening, a plurality of strong magnets stacked in the inner cavity of the box body and a cover plate for pressing the strong magnets; the box body is provided with two threaded holes, the waist-shaped hole of each mounting plate penetrates through two screws from top to bottom, and the bottom end of each screw is screwed into the corresponding threaded hole.
And the magnetic boxes on the mounting plate attract the clamp handles one by one along the advancing direction of the chain clamps on the guide rail, so that the clamp handles rotate by the same angle in the clamping direction every time.
The linear driving mechanism is a cylinder.
Has the advantages that:
compared with the prior art, the magnetic control clamping device provided by the invention has the advantages that the push plate is arranged beside the magnetic control assembly, so that when clamping cannot be performed due to the fact that some chain clamps cannot rotate in place due to insufficient magnetic attraction acting force or overlarge rotation resistance, the chain handles are in rigid contact with the push plate, then the clamp handles rotate gradually in the clamping direction under the pushing of the push plate, the film clamping surfaces of the clamp handles and the film clamping openings of the clamps clamp bodies clamp the films, the success in clamping of each chain clamp is ensured, and the films can be stretched smoothly.
Drawings
FIG. 1 is a top view of a magnetically controlled clamping device of the present invention in an operational state.
FIG. 2 is a top view of a magnetically controlled clamping device of the present invention in a non-operational state.
Fig. 3 is a cross-sectional view a-a of fig. 1.
FIG. 4 is a longitudinal sectional view of a magnetron assembly in the magnetically controlled clamping device according to the present invention.
FIG. 5 is a top view of a push plate and a holder of the magnetically controlled clamping device of the present invention.
Description of the main element symbols: the device comprises a mounting plate 11, a magnetic control assembly 2, a support 3, a push plate 4, a clamp handle 5, a rotating shaft 7, a fixing plate 12, a linear driving mechanism 8, a hinged seat 81, a connecting seat 82, a connecting head 821, a U-shaped plate 822, a 823-bearing, a first pin 824, a second pin 71, a positioning sleeve 72, a connecting sleeve 73, a self-lubricating bearing 74, a magnetic box 21, a box body 211, a strong magnet 212, a cover plate 213, a stainless steel square tube 2111, epoxy resin 2112, a threaded hole 22 and a screw 23.
Detailed Description
The invention provides a magnetic control clamping device for transversely pulling a film, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.
Herein, the back means a direction in which the chain clip grips the film, i.e., a direction of an arrow in fig. 1 and 2, and the front and back are opposite.
Referring to fig. 1-5, the present invention provides a magnetic controlled clamping device for transversely pulling a film, which comprises a mounting plate 11, a magnetic control assembly 2 disposed on the mounting plate 11, a bracket 3 disposed at the bottom of the mounting plate 11, and a push plate 4 disposed on the bracket 3 (the push plate is shown by a dotted line in fig. 1 because the push plate cannot be directly observed in fig. 1); the magnetic control assembly 2 is used for driving the clamping handle 5 of the chain clamp to rotate through magnetic force to achieve clamping closing, the push plate 4 is located beside the magnetic control assembly 2, and the push plate 4 is used for pushing the chain handle which cannot rotate in place under the action of the magnetic control assembly 2 to rotate in place. Here, the clip handle 5 of the chain clip is made of magnetically conductive material, and a magnetic attraction can occur between the magnetron assembly 2 and the clip handle 5.
In practical application, the magnetically controlled clamping device is arranged at the entrance of a film transverse drawing production line, the chain wheel 13 pulls the chain 14 (only part of the chain is shown in fig. 1 and fig. 2) to move, the chain 14 carries the chain clip 6 to move on the film transverse drawing production line, when the chain clip 6 passes under the magnetically controlled assembly 2 at the handle end of the clip handle 5 in the advancing process, the clip handle 5 is attracted by the magnetically controlled assembly 2 to rotate towards the clamping direction gradually, the film clamping surface 53 of the clip handle 5 is folded with the film clamping port 54 of the clip body 51, and the clamping is finished stably; when some chain tongs cannot be clamped due to the fact that rotation is not in place due to the fact that magnetic attraction acting force is insufficient or rotation resistance is too large and the like, the chain handles are in rigid contact with the push plate 4, then the chain tongs 5 rotate gradually in the clamping direction under the pushing of the push plate 4, the film clamping surface of the chain tongs 5 and the film clamping opening of the tong body clamp a thin film, the chain tongs are guaranteed to be successfully clamped, and the thin film can be smoothly stretched.
It should be noted that, when the clip handle 5 of the chain clip 6 is in a normal state and the chain clip can be attracted and driven by the magnetron assembly 2, the clip handle 5 does not contact with the push plate 4.
Specifically, referring to fig. 1 and 5, the push plate 4 is horizontally arranged and is in a right trapezoid shape in horizontal projection, an end surface where an inclined waist 641 of the right trapezoid shape faces the clip handle 5, and one end of the inclined waist close to the chain clip input port is lower than one end of the inclined waist close to the chain clip output port. Through the arrangement, the chain handle rotates stably under the guidance of the end face where the inclined waist is located, and when the chain handle 5 is separated from being in contact with the push plate 4, the film clamping surface of the clip handle 5 and the film clamping opening of the clip body are smoothly folded. On one hand, the push plate 4 plays an auxiliary role in clamping the chain tongs, and the chain handle completes clamping action under the combined action of the magnetic control assembly 2 and the push plate 4; on the other hand, 4 chain pincers of push pedal are pressed from both sides and are played the guard action, and when magnetic control subassembly 2 can the chain handle became invalid, push pedal 4 guaranteed that the chain pincers are pressed from both sides successfully.
Further, referring to fig. 1 and 2, the mounting plate 11 is disposed on a fixing plate 12 through the rotating shaft 7, and the mounting plate 11 can swing relative to the fixing plate 12. Through the arrangement, the magnetic control assembly 2 and the push plate 4 on the mounting plate 11 can be switched between a working mode (driving the chain clamp to complete the clamping action) and a non-working mode (not acting on the chain clamp), so that the maintenance and debugging of the film stretching line are facilitated.
Preferably, referring to fig. 1-3, a linear driving mechanism 8 is disposed on the fixed plate 12, an output end of the linear driving mechanism 8 is in transmission connection with the mounting plate 11 through a connecting seat 82, a hinge seat 81 is disposed on the fixed plate 12, and a tail portion of the linear driving mechanism 8 is hinged to the hinge seat 81; the linear driving mechanism 8 is used for driving the mounting plate 11 to swing around the rotating shaft 7. When the magnetic control clamping device or the chain clamp conveying line needs to be maintained and debugged, the linear driving mechanism 8 drives the mounting plate 11 and the magnetic control assembly 2 and the push plate 4 on the mounting plate 11 to swing towards the direction far away from the conveying direction of the chain clamp, so that a worker can conveniently have enough clearance operation; and when the chain tongs pass through the mounting plate 11, the magnetic control assembly 2 and the push plate 4 do not act on the chain handle, so that the conveying track of the chain tongs is convenient to observe and debug.
Here, the linear driving mechanism 8 is preferably a cylinder which can be operated well even in a high-temperature working environment and is excellent in applicability.
Further, please refer to fig. 3, the connecting seat 82 includes a connecting head 821 and a U-shaped plate 822 connected to each other, the mounting plate 11 is disposed on the inner side of the U-shaped plate 822, a bearing 823 is disposed on the mounting plate 11, a first pin 824 connected to an inner ring of the bearing 823 is fixedly disposed on the U-shaped plate 822, and an outer ring of the bearing 823 is fixedly connected to the mounting plate 11.
Preferably, referring to fig. 3, the rotating shaft 7 includes a second pin shaft 71 vertically disposed on the fixing plate 12, a positioning sleeve 72 disposed on the outer periphery of the second pin shaft 71, and a connecting sleeve 73 disposed on the outer periphery of the positioning sleeve 72, and a self-lubricating bearing 823 is disposed between the positioning sleeve 72 and the connecting sleeve 73; the mounting plate 11 is fixedly connected with the connecting sleeve 73. Through the arrangement, on one hand, the connecting sleeve 73 rotates smoothly and stably around the second pin shaft 71; on the other hand, the self-lubricating bearing 823 reduces the friction force between the positioning sleeve 72 and the connecting sleeve 73, so that the rotating shaft 7 does not need oil supply for lubrication, the wear resistance is excellent, a good working state can be kept under a high-temperature working condition, and lubricating oil pollutes a film to influence the product quality.
Specifically, referring to fig. 1 to 4, the magnetic control assembly 2 includes a plurality of magnetic boxes 21 disposed at the bottom of the mounting plate 11 and arranged along the length direction of the mounting plate 11, and the mounting plate 11 is provided with waist-shaped holes 24 corresponding to the magnetic boxes 21 in number one by one; each kidney-shaped hole 24 extends in the width direction of the mounting plate 11.
Further, referring to fig. 4, the magnetic box 21 includes a box body 211 having an upper opening, a plurality of strong magnets 212 stacked in the inner cavity of the box body 211, and a cover plate 213 pressing the strong magnets 212; the box body 211 is made of a stainless steel square tube 2111 and epoxy resin 2112 filled in the square tube, and plays a role in protecting the fragile strong magnet 212; the box body 211 is provided with two threaded holes 22, the waist-shaped hole 24 of each mounting plate 11 respectively penetrates through two screws 23 from top to bottom, and the bottom end of each screw 23 is respectively screwed into the corresponding threaded hole 22. The position of the box body 211 is adjusted in the length direction of the waist-shaped hole 24, so that the clamp handles 5 are magnetically attracted one by one along the advancing direction of the chain clamps on the guide rail in one row of the magnetic boxes 21 on the mounting plate 11, the clamp handles rotate at the same angle in the clamping direction at each time, and then the chain handles stably rotate under the action of magnetic force to complete the clamping action, and the clamping action is rarely broken or torn no matter the chain clamps clamp a wide and thin film or a film with low mechanical strength in a clamping thermal state, so that the quality and the product of the film on the stretching production line are ensured.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.
Claims (10)
1. A magnetic control clamping device for transversely pulling a film is characterized by comprising a mounting plate, a magnetic control assembly arranged on the mounting plate, a bracket arranged at the bottom of the mounting plate and a push plate arranged on the bracket; the magnetic control assembly is used for driving the clamping handle of the chain clamp to rotate through magnetic force to achieve clamping closing, the push plate is located beside the magnetic control assembly, and the push plate is used for pushing the chain handle which cannot rotate in place under the action of the magnetic control assembly to rotate in place.
2. The magnetically controlled clamping device for transverse pulling of thin film according to claim 1, wherein the pushing plate is horizontally arranged and has a right trapezoid shape in horizontal projection, the end surface of the right trapezoid where the inclined waist is located faces the clip handle, and one end of the inclined waist close to the chain clip input port is lower than one end of the inclined waist close to the chain clip output port.
3. The magnetically controlled film clamping device of claim 1, wherein the mounting plate is pivoted to a fixed plate and is pivotable with respect to the fixed plate.
4. The film transversely-pulling magnetically-controlled clamping device according to claim 3, wherein the fixed plate is provided with a linear driving mechanism, the output end of the linear driving mechanism is in transmission connection with the mounting plate through a connecting seat, the fixed plate is provided with a hinge seat, and the tail part of the linear driving mechanism is hinged with the hinge seat; the linear driving mechanism is used for driving the mounting plate to swing around the rotating shaft.
5. The magnetically controlled film clamping device as claimed in claim 4, wherein the connecting seat includes a connecting head and a U-shaped plate connected to each other, the mounting plate is disposed inside the U-shaped plate, the mounting plate has a bearing, the U-shaped plate has a first pin connected to the inner ring of the bearing, and the outer ring of the bearing is fixed to the mounting plate.
6. The magnetically controlled clamping device according to claim 3, wherein the rotating shaft comprises a second pin vertically disposed on the fixing plate, a positioning sleeve disposed around the second pin, and a connecting sleeve disposed around the positioning sleeve, and a self-lubricating bearing is disposed between the positioning sleeve and the connecting sleeve; the mounting plate is fixedly connected with the connecting sleeve.
7. The magnetically controlled film clamping device as claimed in claim 1, wherein the magnetically controlled assembly includes several magnetic boxes arranged in the bottom of the installing board and in the length direction of the installing board, and the installing board has kidney-shaped holes corresponding to the magnetic boxes in the same number; each kidney-shaped hole extends in the width direction of the mounting plate.
8. The magnetically controlled film clamping device as claimed in claim 7, wherein the magnetic box includes one box with upper opening, several strong magnets set inside the box cavity and one cover plate to press the strong magnets; the box body is provided with two threaded holes, the waist-shaped hole of each mounting plate penetrates through two screws from top to bottom, and the bottom end of each screw is screwed into the corresponding threaded hole.
9. The magnetically controlled film clamping device of claim 7, wherein the magnetic clamping handles are magnetically attracted one by one along the advancing direction of the chain clamp on the guide rail on a row of magnetic boxes on the mounting plate, so that the clamping handles rotate to the same angle in the clamping direction each time.
10. The magnetically controlled film clamping device of claim 3, wherein the linear driving mechanism is a pneumatic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849798.2A CN112026158A (en) | 2020-08-21 | 2020-08-21 | Magnetic control clamping device for transversely pulling film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849798.2A CN112026158A (en) | 2020-08-21 | 2020-08-21 | Magnetic control clamping device for transversely pulling film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112026158A true CN112026158A (en) | 2020-12-04 |
Family
ID=73581754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010849798.2A Pending CN112026158A (en) | 2020-08-21 | 2020-08-21 | Magnetic control clamping device for transversely pulling film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112026158A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851530A (en) * | 2022-05-11 | 2022-08-05 | 佛山市盟思拉伸机械有限公司 | Film stretching device and magnetic opening and closing clamp mechanism |
| CN116160668A (en) * | 2021-11-25 | 2023-05-26 | St永稳株式会社 | Film clamp opening and closing device for film stretching |
-
2020
- 2020-08-21 CN CN202010849798.2A patent/CN112026158A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116160668A (en) * | 2021-11-25 | 2023-05-26 | St永稳株式会社 | Film clamp opening and closing device for film stretching |
| CN114851530A (en) * | 2022-05-11 | 2022-08-05 | 佛山市盟思拉伸机械有限公司 | Film stretching device and magnetic opening and closing clamp mechanism |
| CN114851530B (en) * | 2022-05-11 | 2024-01-30 | 佛山市盟思拉伸机械有限公司 | Film stretching device and magnetic opening and closing clamp mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112026158A (en) | Magnetic control clamping device for transversely pulling film | |
| JP5224611B2 (en) | Cutting device for cutting thin adhesive tape, especially cord tape | |
| CN103022854B (en) | A kind of automatic tangent peeling loose end press | |
| CN208358838U (en) | A kind of clamp hand of knockout machine | |
| CN107999662B (en) | Pipe bending device in pipe bending machine | |
| CN109217070B (en) | Cam type pin inserting machine | |
| CN213108182U (en) | Magnetic control clamping device for transversely pulling film | |
| CN214472293U (en) | Clamping device of metal tensile testing machine | |
| US4258601A (en) | Bandsaw blade guiding apparatus for bandsaw machines | |
| CN111993402B (en) | Mechanical arm for grabbing shaft | |
| CN213106907U (en) | Mechanical arm for grabbing shaft | |
| CN215283881U (en) | Automatic tearing mechanism for release film on surface of easy-to-pull adhesive | |
| CN213754262U (en) | Motor output shaft upward-pressing transverse pin equipment | |
| CN213257606U (en) | Lotus flower head welding equipment | |
| CN216671306U (en) | Number pipe penetrating device | |
| CN209408381U (en) | A kind of provision for disengagement of buckle-type copper gang chain | |
| CN220480566U (en) | Anti-offset metal material laser marking machine | |
| ATE283128T1 (en) | WIRE FEEDING DEVICE | |
| CN211495833U (en) | PCB jacking clamping flexible positioning mechanism | |
| CN106181299B (en) | The noise reduction head feeding unit material of compressor crank shaft and noise reduction pullover assembly machine | |
| CN209929872U (en) | Foil layer cutting device | |
| CN215789309U (en) | Clamping mechanism | |
| CN215040237U (en) | Film transversely-pulling system | |
| CN220246333U (en) | Flax slitting device | |
| CN209918572U (en) | Guide device of angle steel rolling mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |