CN210590550U

CN210590550U - Herringbone clamping plate device of film blowing machine

Info

Publication number: CN210590550U
Application number: CN201921366742.0U
Authority: CN
Inventors: 王逸超
Original assignee: Wuxi Zhenfei New Packaging Material Co Ltd
Current assignee: Wuxi Zhenfei New Packaging Material Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-05-22
Anticipated expiration: 2029-08-21

Abstract

The utility model relates to a film manufacturing equipment field discloses a chevron shape splint device of inflation film manufacturing machine, its technical scheme includes the support, the draw gear of setting in the support, draw gear includes two splint about support width direction central symmetry, be equipped with adjusting part on the support, adjusting part includes the connecting plate, the extension board, the support arm, the expansion plate of support arm just extends in the support arm is set up to the setting, the connecting plate is equipped with two, set up respectively on two splint, the extension board is equipped with two, correspond the one side that sets up at two splint each other and deviate from respectively, the one end that the expansion plate was kept away from to the support arm is articulated with the extension board, the one end that the support arm was kept away from to the expansion. The utility model discloses can make two splint atress alone, reach the even effect of atress, realize the effect that the angle between two splint can accurately be adjusted.

Description

Herringbone clamping plate device of film blowing machine

Technical Field

The utility model relates to a production facility of preparation film, in particular to chevron shape splint device of inflation film manufacturing machine.

Background

The film blowing machine is a device for heating and melting plastic particles and then blowing the plastic particles into a film, a herringbone clamping plate device is arranged on the upper surface of the film blowing machine, in the process of blown film forming, the process can be divided into three types of flat blowing, upward blowing and downward blowing according to different extrusion and traction directions, according to different performance requirements of the film, the finished film is generally formed by mutually compacting and laminating a plurality of films under the condition of incomplete cooling and forming, the initial state of the film from the film blowing machine is cylindrical, the cylindrical film needs to be compacted into a sheet shape in the later period, a traction device of the film blowing machine generally comprises two clamping plates, the clamping plates are used for guiding the cylindrical film compacted into the sheet-shaped finished film, because the size of processing membrane is different, the die head of different diameters can be changed to inflation film manufacturing machine, and the tube-shape membrane diameter that the shaping was come out is different, just need be through adjusting the angle between two splint to guarantee that the membrane of tube-shape can pass through between the splint.

The utility model is CN206217168U draw gear of inflation film manufacturing machine, which comprises a frame, set up in the subassembly that draws of frame upper end, a power component for driving the work of drawing the subassembly, and set up in the guide assembly of draw gear below, the guide assembly includes left splint and right splint, perpendicular to film direction of motion is provided with a plurality of deflector rolls on left splint and the right splint, the upper end of left splint and right splint all rotates with the frame upper end to be connected, and the gap is left to the upper end of left splint and right splint, the lower extreme of left splint and right splint is provided with the adjusting device who is used for adjusting left splint and right splint angle.

This kind of draw gear though can be as required manual regulation contained angle's size, thereby can reach and adjust between two splint angle change splint and open the size, but only adjust two splint simultaneously in one side of splint in the in-service use, because the splint can appear the atress uneven about, can make monolithic splint offset different, lead to the membrane to enter into the angle before the deflector roll and change, can lead membrane itself to receive the tensile force inequality to influence the quality of blown membrane.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a chevron shape splint device of inflation film manufacturing machine has the advantage that the angle between two splint can realize accurate regulation.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a herringbone clamping plate device of a film blowing machine comprises a support and a traction device arranged in the support, wherein the traction device comprises two clamping plates which are symmetrical about the center of the width direction of the support, an adjusting assembly is arranged on the support, the adjusting assembly comprises a connecting plate arranged on the clamping plates, a supporting plate arranged on the support, a supporting arm arranged on the supporting plate and a telescopic plate which is arranged in the supporting arm and extends out of the supporting arm, the number of the connecting plate is two, the connecting plate is respectively arranged on the two clamping plates, the number of the supporting plate is two, the two supporting plates are respectively correspondingly arranged on one sides of the two clamping plates which are mutually deviated, one end of the supporting arm far away from the telescopic plate is hinged with the supporting plate, one end of the telescopic plate far away from the supporting arm is hinged with the clamping plates, one end of the supporting arm close, the supporting plate is provided with a supporting arm, the supporting arm is hinged to the supporting plate, the clamping plate is hinged to the telescopic plate, a positioning bolt is arranged at one end of the clamping plate, which is hinged to the telescopic plate, and the positioning bolt is arranged at one end of the clamping plate, which is hinged to the telescopic plate.

Through adopting above-mentioned technical scheme, utilize the adjusting part on two splint, adjust the length of both sides expansion plate simultaneously, utilize the linkage structure of articulated production between support arm, expansion plate and the splint, promote the intermediate position of connecting plate, reach the effect that changes the angle between two splint for two splint atress alone reach the even effect of atress, realize the offset of the single splint angle of control, be favorable to the regulation that the angle between two splint can be accurate.

Furthermore, scale marks are arranged in the length direction of the telescopic plate.

Through adopting above-mentioned technical scheme, utilize the scale on the scale marking accurate measure the distance of left and right sides expansion plate adjustment to two splint adjust the same distance simultaneously about the accurate control, thereby the angle of the adjustment of accurate control monolithic splint is favorable to the regulation that the angle between two splint can be accurate.

Further, one side that the connecting plate is close to the expansion plate is equipped with articulated seat, the expansion plate is articulated with articulated seat, positioning bolt runs through to set up on articulated seat and contradict with the tip of expansion plate.

Through adopting above-mentioned technical scheme, rotate the one end of positioning bolt and expansion plate and contradict, utilize the position of the fixed expansion plate of frictional force between positioning bolt and the expansion plate, after the angle between the splint of having ensured to adjust, the expansion plate can not continue to rotate in the in-service use process, and the even atress of splint does not take place crooked in the film motion process.

Furthermore, one side of the support plate close to the support arm is provided with a rotating seat, the support arm is hinged to the rotating seat, and the limiting bolt penetrates through the rotating seat and is abutted to the end of the support arm.

Through adopting above-mentioned technical scheme, after confirming the angle of splint, rotate the one end conflict of spacing bolt and support arm to fixed support arm is for the angular position of splint, through spacing bolt and positioning bolt dual function, realizes fixing a position the adjusting part, avoids when the film passes from between the splint, exerts the effort and causes the skew of splint to the splint, the angle of accurate control chevron shape splint from this.

Further, the support bottom is equipped with the circular arc guide way, the circular arc guide way is equipped with two in the below that is located splint bottom width direction, splint bottom width direction's both ends are equipped with the leading wheel, the leading wheel is located the circular arc guide way and contradicts with circular arc guide way bottom slip.

Through adopting above-mentioned technical scheme, when adjusting the angle between the splint of both sides, the leading wheel slides in the circular arc guide way is inside, and the movement track of leading wheel has been injectd to the circular arc guide way to injectd the movement track of splint, avoided splint to take place the skew of non-regulation direction at the in-process of adjusting, improve the accuracy of adjusting the angle between two splint.

Further, the one end that the axis of rotation was kept away from to splint is equipped with flexible subassembly, flexible subassembly is including setting up at the circular port of splint one end, setting up at the circular port and extend support column, the cover of circular port and establish the spring on the support column, the bottom surface fixed connection of spring one end and circular port, the side fixed connection of the other end and support column, be equipped with the clearance between the inner wall of support column and circular port, the guide wheel rotates to be connected the one end of keeping away from the circular port at the support column.

Through adopting above-mentioned technical scheme, when the in-process of adjusting the splint angle, the circular arc motion is done to the bottom of splint, and the leading wheel can change for the distance between the circular arc guide way to the condition that the leading wheel breaks away from the circular arc guide way can appear, through the setting of flexible subassembly, can ensure that the leading wheel can slide in the circular arc guide way always, thereby the angle between the more accurate efficient regulation splint.

Furthermore, the opening part of circular port is equipped with the circular arc chamfer, the one end that the support column is located the circular port is equipped with the bulb.

Through adopting above-mentioned technical scheme, splint in angle regulation's engineering, the support column can take place certain change for the angle of circular port, and circular arc chamfer and bulb have improved the scope of support column at the downthehole angle modulation of circular port, have improved the stability of leading wheel removal in the circular arc guide way to reach the accuracy that improves the angle of adjusting between two splint.

Furthermore, a guide marking line is arranged outside the arc guide groove.

Through adopting above-mentioned technical scheme, when adjustment splint angle, through observing the position that the splint bottom is for the direction mark line, can assist the angle of judging two splint regulations to improve the accuracy of monolithic splint angle modulation, be favorable to the regulation that the angle between two splint can be accurate.

Furthermore, a plurality of guide rollers are arranged on the surface of the clamping plate, and the axis direction of each guide roller is perpendicular to the moving direction of the film.

Through adopting above-mentioned technical scheme, the film blows off the back from the blown film mouth, through chevron shape splint, and the deflector roll contact on with the splint can not be scraped badly to the air in the middle of the better control film is extruded, is favorable to the smooth production of film.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the adjusting assembly, the effect of enabling the two clamping plates to be stressed independently can be achieved, the effect of uniform stress is achieved, and the effect that the angle between the two clamping plates can be adjusted accurately is achieved;

2. the arrangement of the scale mark lines and the guide mark lines has the effect of assisting in adjusting the angle of the clamping plates, so that the angle between the two clamping plates can be accurately adjusted;

3. through the gliding setting of cooperation between leading wheel and the circular arc guide way, have and avoid splint to take place the skew of non-regulation direction at the in-process of adjusting, improve the effect of the accuracy of adjusting the angle between two splint.

Drawings

FIG. 1 is a schematic view showing the overall structure of a herringbone clamping device for embodying a film blowing machine in the embodiment;

FIG. 2 is an enlarged schematic structural view of a portion A of FIG. 1;

FIG. 3 is a schematic sectional view showing an embodiment of an adjusting unit;

FIG. 4 is a schematic sectional view of an embodiment of a telescopic assembly;

fig. 5 is an enlarged schematic structural diagram for embodying the portion B in fig. 4 in the embodiment.

In the figure, 1, a bracket; 11. a circular arc guide groove; 111. a guide marking line; 2. a traction device; 21. a guide roller; 22. a guide shaft; 23. a splint; 231. a guide wheel; 232. a guide roller; 24. a rotating shaft; 3. a motor; 4. an adjustment assembly; 41. a connecting plate; 411. positioning the bolt; 412. a hinged seat; 42. a support plate; 421. a limit bolt; 422. a rotating seat; 43. a support arm; 431. locking the bolt; 44. a retractable plate; 441. scale marking; 5. a telescoping assembly; 51. a circular hole; 511. chamfering with an arc; 52. a support pillar; 521. a ball head; 53. A spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a chevron shape splint device of inflation film manufacturing machine, as shown in fig. 1 and 2, including support 1, set up draw gear 2 in support 1, draw gear 2 is including setting up the guide roll 21 on support 1 top, the guiding axle 22 of contradicting with guide roll 21 of setting on support 1 top, two splint 23 about support 1 width direction centrosymmetric, rotate the axis of rotation 24 of connecting in splint 23 upper portion and the direction of guide roll 21 length direction is parallel, guide roll 21 and the parallel arrangement of guiding axle 22 and the surface all are equipped with the rubber layer, two splint 23 set up respectively in the below of guide roll 21 and guiding axle 23, two splint 23 all rotate with support 1 through axis of rotation 24 and are connected, still be equipped with drive guide roll 21 pivoted motor 3 on the top of support 1 simultaneously. After the film is extruded from the film blowing opening, the film at the starting end is pulled to a position between the guide roller 21 and the guide shaft 22, the motor 3 is started to drive the guide roller 21 to rotate, the film moves to a position between the guide roller 21 and the guide shaft 22 under the guidance of the clamping plate 23, and the guide roller 21 is matched with the guide shaft 22 to extrude air in the film to realize the film attaching and compacting work.

As shown in fig. 1, in order to precisely adjust the angle between the clamping plates 23 and control the offset angle between the two clamping plates 23 to be the same, the production of films with different specification properties is suitable; be equipped with adjusting part 4 on support 1, adjusting part 4 is including setting up the connecting plate 41 on splint 23, the extension board 42 of setting on support 1, the support arm 43 of setting on extension board 42, the expansion plate 44 of support arm 43 just extends in setting up support arm 43, connecting plate 41 is equipped with two, set up respectively on two splint 23, extension board 42 is equipped with two, correspond the one side that sets up two splint 23 and deviate from each other respectively, the one end that expansion plate 44 was kept away from to support arm 43 is articulated with extension board 42, the one end that support arm 43 was kept away from to expansion plate 44 is articulated with connecting plate 41, through adjusting the length of expansion plate 44 for support arm 43, and adjust the angle of expansion plate 44 and support arm 43 for support 1, thereby reach the angle of adjusting splint 23, realize the accurate regulation of splint 23 position.

As shown in fig. 3, when the film passes through the clamping plate 23, a certain force is applied to the clamping plate 23, and in order to ensure the quality of the film formation, the position of the clamping plate 23 needs to be ensured to be stable during the use of the film blowing machine; one end of the support arm 43 close to the outlet of the expansion plate 44 is provided with a locking bolt 431, the locking bolt 431 penetrates through the support arm 43 and is abutted against the expansion plate 44, one end of the support plate 42 hinged to the support arm 43 is provided with a limit bolt 421, and one end of the connecting plate 41 hinged to the expansion plate 44 is provided with a positioning bolt 411. The side of the connecting plate 41 close to the expansion plate 44 is provided with a hinged seat 412, the expansion plate 44 is hinged to the hinged seat 412, the positioning bolt 411 is arranged on the hinged seat 412 in a penetrating mode and abutted to the end portion of the expansion plate 44, the side of the support plate 42 close to the support arm 43 is provided with a rotating seat 422, the support arm 43 is hinged to the rotating seat 422, and the limiting bolt 421 is arranged on the rotating seat 422 in a penetrating mode and abutted to the end portion of the support arm 43. After the angle of the clamping plate 23 is adjusted, the position of the expansion plate 44 in the supporting arm 43 is fixed by the locking bolt 431, and then the position of the adjusting component 4 is fixed by the limiting bolt 421 and the positioning bolt 411, so that the clamping plate 23 is uniformly stressed and cannot be inclined in the adjusting and working processes.

As shown in fig. 1, in order to further improve the adjustment accuracy of the clamping plate 23, the scale marks 441 are arranged in the length direction of the telescopic plates 44, and the observation of the positions of the scale marks 441 on the two telescopic plates 44 is also beneficial to assisting in improving the adjustment accuracy of the single clamping plate 23.

As shown in fig. 1 and 2, in order to adjust the angle between the clamping plates 23 more accurately and efficiently, and prevent the clamping plates 23 from deviating in the non-adjustment direction during the adjustment process, the bottom of the bracket 1 is provided with two arc guide grooves 11, the two arc guide grooves 11 are located below the bottom of the clamping plates 23 in the width direction, two ends of the bottom of the clamping plates 23 in the width direction are provided with guide wheels 231, the distance between the two arc guide grooves 11 is greater than the diameter of the tube film, the guide wheels 231 are located in the arc guide grooves 11 and slidably abut against the bottoms of the arc guide grooves 11, the guide indication lines 111 are arranged outside the arc guide grooves 11, and when the angle between the clamping plates 23 is adjusted by using the adjusting assembly 4, the guide indication lines 111 on the arc guide grooves 11 are used to measure the sliding distance of the guide wheels 231 on the arc guide grooves 11, so as to further accurately adjust the angle between the clamping plates.

As shown in fig. 5, the clamping plates 23 are centered on the rotating shaft 24 during the adjustment process, and due to the different rotating centers of the two clamping plates 23, the arc motion tracks of the two guide wheels 231 are different, in addition, the arc of the arc guide groove 11 is fixed, which causes the distance of the guide wheel 231 relative to the arc guide groove 11 to change, in order to ensure that the guide wheel 231 can stably slide in the arc guide groove 11, the end, far away from the rotating shaft 24, of the clamping plate 23 is provided with a telescopic assembly 5, the telescopic assembly 5 comprises a circular hole 51 formed in one end of the clamping plate 23, a supporting column 52 arranged in the circular hole 51 and extending out of the circular hole 51, and a spring 53 sleeved on the supporting column 52, one end of the spring 53 is fixedly connected with the bottom surface of the circular hole 51, the other end of the spring 53 is fixedly connected with the side surface of the supporting column 52, a gap is formed between the supporting column 52 and the inner wall of the circular hole 51, and the guide wheel 231 is rotatably connected to one; when the angle of the clamping plate 23 is adjusted, the spring 53 provides a certain telescopic force for the supporting column 52 through the arrangement of the spring 53, so that the guide wheel 231 can always slide in the arc guide groove 11, and the angle between the clamping plates 23 can be adjusted more accurately and efficiently.

As shown in fig. 5, in order to ensure that the guide wheel 231 can always slide in the circular arc guide slot 11, when the angle of the clamp plate 23 changes, the angle of the support column 52 changes relative to the circular hole 51, and in order to avoid the problem that the support column 52 cannot change the angle and the guide wheel 231 cannot stably extend and retract, a circular arc chamfer 511 is provided at the opening of the circular hole 51, and a ball head 521 is provided at one end of the support column 52 located in the circular hole 51; the arc chamfer 511 reduces the edge angle of the opening of the circular hole 51, so that the rotating angle of the support column 52 at the opening of the circular hole 51 is increased, and meanwhile, the ball head 521 reduces the edge angle of one end of the support column 52 at the circular hole 51, so that the rotating angle of the end of the support column 52 in the circular hole 51 is increased; the stability of the guide wheel 231 moving in the arc guide groove 11 is facilitated, and the accuracy of adjusting the angle between the two clamping plates 23 is improved.

As shown in fig. 1, in order to ensure that the film is not scraped by passing through the herringbone clamping plate, a plurality of guide rollers 232 are arranged on the surface of the clamping plate 23, and the axial direction of the guide rollers 232 is vertical to the moving direction of the film; after the film is blown out from the film blowing opening, the film passes through the clamping plate 23 and is contacted with the guide roller 232 on the clamping plate 23 without being scraped, so that the air in the middle of the film is better controlled to be extruded, and the smooth production of the film is facilitated.

The specific implementation process comprises the following steps: when the angle between the clamping plates 23 is adjusted according to the specification of the film to be produced, the adjusting components 4 on the two sides of the clamping plates 23 are respectively adjusted; the locking bolt 431 is first adjusted, the telescopic plates 44 at both sides are respectively slid to move to a proper position along the scale mark 441, meanwhile, the middle position of the connecting plate 41 is pushed to enable the whole plane of the single clamping plate 23 to be evenly stressed, the guide wheel 231 on the clamping plate 23 is butted and slides in the arc guide groove 11 to limit the movement track of the clamping plate 23, the situation that the clamping plate 23 deviates in the adjusting process is avoided, meanwhile, the guide indication line 111 on the arc guide groove 11 is observed, the sliding distance of the guide wheel 231 in the arc guide groove 11 is measured, the accurate angle between the clamping plates 23 is ensured, the position of the telescopic plate 44 fixed by the locking bolt 431 is adjusted, then the limit bolts 421 at the two sides of the bracket 1 and the positioning bolts 411 on the connecting plate 41 are respectively adjusted, the stability of the structure of the adjusting assembly 4 is ensured, thereby being beneficial to fixing the position of the clamping plate 23 and reducing the change of the position of the clamping plate 23 in the working process; then, the motor 31 is started to drive the guide roller 21 to rotate, the film moves to a position between the guide roller 21 and the guide shaft 22 under the guidance of the clamping plate 23, and the guide roller 21 is matched with the guide shaft 22 to extrude air in the film to realize the film attaching and compacting work.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A herringbone clamping plate device of a film blowing machine comprises a support (1) and a traction device (2) arranged in the support (1), wherein the traction device (2) comprises two clamping plates (23) which are symmetrical with each other about the width direction center of the support (1);

the method is characterized in that: the support (1) is provided with an adjusting component (4), and the adjusting component (4) comprises a connecting plate (41) arranged on the clamping plate (23), a support plate (42) arranged on the support (1), a support arm (43) arranged on the support plate (42), and a telescopic plate (44) which is arranged in the support arm (43) and extends out of the support arm (43);

the two connecting plates (41) are respectively arranged on the two clamping plates (23), the two support plates (42) are respectively and correspondingly arranged on the sides, away from each other, of the two clamping plates (23), one ends, away from the telescopic plates (44), of the support arms (43) are hinged to the support plates (42), and one ends, away from the support arms (43), of the telescopic plates (44) are hinged to the clamping plates (23);

one of support arm (43) is close to expansion plate (44) export is served and is equipped with locking bolt (431), locking bolt (431) run through support arm (43) and contradict with expansion plate (44), extension board (42) are equipped with stop bolt (421) with support arm (43) articulated one end, splint (23) are equipped with positioning bolt (411) with expansion plate (44) articulated one end.

2. The herringbone clamping plate device of the film blowing machine according to claim 1, characterized in that: and scale marks (441) are arranged in the length direction of the telescopic plate (44).

3. The herringbone clamping plate device of the film blowing machine according to claim 1, characterized in that: one side that connecting plate (41) is close to expansion plate (44) is equipped with articulated seat (412), expansion plate (44) are articulated with articulated seat (412), positioning bolt (411) run through the setting on articulated seat (412) and contradict with the tip of expansion plate (44).

4. The herringbone clamping plate device of the film blowing machine according to claim 1, characterized in that: one side of the support plate (42) close to the support arm (43) is provided with a rotating seat (422), the support arm (43) is hinged to the rotating seat (422), and the limiting bolt (421) penetrates through the rotating seat (422) and abuts against the end of the support arm (43).

5. The herringbone clamping plate device of the film blowing machine according to claim 1, characterized in that: support (1) bottom is equipped with circular arc guide way (11), circular arc guide way (11) are located splint (23) bottom width direction's below and are equipped with two, splint (23) bottom width direction's both ends are equipped with leading wheel (231), leading wheel (231) are located circular arc guide way (11) and contradict with circular arc guide way (11) bottom slip.

6. The herringbone clamping plate device of the film blowing machine according to claim 5, characterized in that: one end that axis of rotation (24) was kept away from in splint (23) is equipped with flexible subassembly (5), flexible subassembly (5) establish spring (53) on support column (52) including setting up circular port (51), setting in circular port (51) and extending support column (52), the cover of circular port (51) in splint (23) one end, the bottom surface fixed connection of spring (53) one end and circular port (51), the side fixed connection of the other end and support column (52), be equipped with the clearance between the inner wall of support column (52) and circular port (51), leading wheel (231) rotate to be connected the one end of keeping away from circular port (51) in support column (52).

7. The herringbone clamping plate device of the film blowing machine according to claim 6, characterized in that: the opening part of circular port (51) is equipped with circular arc chamfer (511), the one end that support column (52) are located circular port (51) is equipped with bulb (521).

8. The herringbone clamping plate device of the film blowing machine according to claim 5, characterized in that: and a guide marking line (111) is arranged outside the arc guide groove (11).

9. The herringbone clamping plate device of the film blowing machine according to claim 1, characterized in that: the surface of the clamping plate (23) is provided with a plurality of guide rollers (232), and the axis direction of the guide rollers (232) is vertical to the motion direction of the film.