CN213056211U

CN213056211U - Clamping device of large-scale wrapping bag segmenting device

Info

Publication number: CN213056211U
Application number: CN202020972594.3U
Authority: CN
Inventors: 张金彪
Original assignee: Tianjin Huahao Plastic Products Co ltd
Current assignee: Tianjin Huahao Plastic Products Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-04-27
Anticipated expiration: 2030-06-01

Abstract

The utility model relates to a large-scale wrapping bag cutting device's clamping device belongs to plastics manufacturing technical field, and it includes fuselage, live-rollers, is provided with the rotating turret on the fuselage, the connecting rod surface is provided with clamping device, and clamping device includes splint, spacing bolt and stop nut, splint and connecting rod parallel arrangement, the slot hole has been seted up at the splint both ends, the stop bolt is inserted and is located the one end that the connecting rod was passed to the stop bolt and pass the connecting rod setting, stop nut threaded connection is in the one end that the stop bolt passed the connecting rod, the cover is equipped with the spring on the stop bolt, the spring is located between stop bolt and the splint, and the spring both ends respectively with spacing bolt and splint looks butt, splint are close to the fixed press clamp plate that is provided with in axis of rotation one side, press the clamp plate.

Description

Clamping device of large-scale wrapping bag segmenting device

Technical Field

The utility model belongs to the technical field of the technique of plastics manufacturing and specifically relates to a clamping device of large-scale wrapping bag cutting device is related to.

Background

Along with the development of society, the commodity kind is more and more, and large-scale wrapping bag has obtained more and more extensive use in daily life, and large-scale wrapping bag uses comparatively conveniently, has improved the convenience of people's life. When the large-scale packaging bag is manufactured, the master batches are blown and melted into the plastic film, then the plastic film is collected into a roll by a winding machine, and then the plastic film is cut into the large-scale packaging bag.

Present can refer to chinese patent that publication number is CN202829108U, it discloses a device is tailor fast to wrapping bag includes support frame, lower pivot and winding support, the vertical parallel arrangement of two support frames, two support frames between connect through two connecting pipes of its downside and the last pivot axle of upper end and be connected, last pivot on connect and be fixed with the winding support, the downside of support frame install the stay tube, the upside of stay tube in the middle of the installation be fixed with pivot installation pipe, two pivot installation pipes between wear the lower pivot. The utility model discloses simple structure can take out the wrapping bag of reel form fast and form isometric roll-like with conveniently tailorring, convenient operation is fit for cutting out in batches greatly, has improved the efficiency of tailorring of wrapping bag greatly.

The above prior art solutions have the following drawbacks: when the device is used for cutting out large-scale packaging bags, the plastic film needs to be wound for several circles firstly to fix the plastic film when being wound on the two winding supports, the plastic film drops from the winding supports when the plastic film is prevented from being transferred, the winding process wastes time, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a large-scale wrapping bag cutting device's clamping device reaches the effect that improves production efficiency.

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

a clamping device of a large packaging bag cutting device comprises a machine body and two rotating rollers, wherein the rotating rollers are rotatably connected with the machine body, a plastic film is wound on the rotating rollers, rotating frames are arranged on the machine body and comprise two supports, connecting rods and rotating shafts, each rotating frame is provided with two supports, the supports are positioned at two ends of each rotating shaft and comprise a fixed disk and a lead screw, the lead screws surround the fixed disk and are provided with a plurality of leads, one end of each lead screw is fixedly connected with the fixed disk, and the other end of each lead screw extends towards a direction far away from the fixed disk; the connecting rod is located between two supports and the connecting rod both ends can be dismantled with the lead screw and be connected, axis of rotation both ends and fixed disk fixed connection, the connecting rod surface is provided with clamping device, clamping device includes splint, spacing bolt and stop nut, splint and connecting rod parallel arrangement, the slot hole has been seted up at the splint both ends, stop bolt inserts and locates in the slot hole and pass the connecting rod setting, stop nut threaded connection passes the one end of connecting rod in stop bolt, the cover is equipped with the spring on the stop bolt, the spring is located between stop bolt and the splint, and the spring both ends respectively with stop bolt and splint looks butt, splint are close to the fixed pressing plate that is provided with in axis of rotation one side, the pressing plate upwards sets up.

Through adopting above-mentioned technical scheme, when using this clamping device to carry out the centre gripping to plastic film, at first exert pressure to the pressing plate, the pressing plate drives splint removal and compresses the spring of splint upper surface, the position department that makes splint and connecting rod butt takes place to separate and forms a crack, put into the crack with plastic film's one end after that, then loosen the pressing plate, make splint form the butt with the connecting plate once more, splint and connecting plate form the centre gripping to placing the plastic film in the middle of, the restoring force of spring continues to promote splint and become certain pressure to the splint, further strengthen the stability of being connected between splint and the connecting plate, the reinforcing is to plastic film's fixed effect, effectively prevent that plastic film from droing from winding the support at the in-process of tailorring, reach the effect that improves production efficiency.

The present invention may be further configured in a preferred embodiment as: be provided with the torsional spring between according to pressing panel and the connecting rod, torsional spring one end links to each other with according to pressing the panel fixed, and the torsional spring other end links to each other with connecting rod fixed surface.

Through adopting above-mentioned technical scheme, the torsional spring sets up between according to clamp plate and splint, for providing detached power according to clamp plate and connecting rod, puts into the back between splint and the connecting rod with plastic film, and the torsional spring promotes according to the clamp plate, makes splint get back to the normal position and forms the butt with the connecting rod, and the torsional spring has increased the power between splint and the connecting rod, has strengthened clamping device to plastic film's fixed effect.

The present invention may be further configured in a preferred embodiment as: the pressing plate is arranged at the middle position of the clamping plate, which is positioned at one side of the clamping plate close to the rotating shaft.

Through adopting above-mentioned technical scheme, set up in splint intermediate position department and press the clamp plate, make the splint receive come from the power of pressing the clamp plate more balanced, it is more convenient when using to press clamp device according to the clamp plate operation.

The present invention may be further configured in a preferred embodiment as: the surface that splint and connecting rod contacted is fixed and is provided with the skid resistant course.

Through adopting above-mentioned technical scheme, when plastic film was located between splint and the connecting rod, skid resistant course and plastic film looks butt increased the frictional force between plastic film and connecting rod and the splint, avoided plastic film to drop from the connecting rod in the use, guaranteed the stability of production.

The present invention may be further configured in a preferred embodiment as: the connecting rod both ends are fixed and are provided with the sleeve pipe, and the cover pipe box is located on the lead screw, fixation nut is located the sleeve pipe both ends and with lead screw threaded connection.

By adopting the technical scheme, the sleeve can slide along the lead screw, so that the distance between the connecting rods is adjusted, the length of the plastic film placed between the adjacent connecting rods is changed, the size of the large-sized packaging bag can be changed according to production requirements, and the convenience in production of the large-sized packaging bag is improved; the fixing nut has a fixing effect on the sleeve, so that the sleeve is prevented from moving in the working process, and the production stability is improved.

The present invention may be further configured in a preferred embodiment as: the fixed dwang that is provided with is fixed in one side of keeping away from the axis of rotation in fixed disk center, and the dwang rotates with the fuselage to be connected, and the fixed handle that is provided with of one end that the fixed disk was kept away from to the dwang.

Through adopting above-mentioned technical scheme, when using the rotating turret to carry out the production of large-scale wrapping bag, rotate the handle, handle and dwang drive the rotating turret and rotate, with plastic film on the live-rollers transfer to the rotating turret on, later tailor, improved the convenience in use of rotating turret.

The present invention may be further configured in a preferred embodiment as: dwang circumference face cover is equipped with the bearing, and fuselage and bearing contact position department are provided with spacing subassembly, and spacing subassembly can be dismantled with the fuselage and be connected, and the recess with bearing looks adaptation is seted up to spacing subassembly, and the bearing is placed in the recess, and the bearing inner wall links to each other with the dwang is fixed, and the bearing surface links to each other with spacing subassembly is fixed.

Through adopting above-mentioned technical scheme, spacing subassembly and bearing mutually support and have reduced the frictional force between dwang and the fuselage, have improved the convenience in use of rotating turret, and spacing subassembly has played limiting displacement to the dwang simultaneously, avoids the rotating turret to take place to shift in the use, avoids the plastic film size inequality between the connecting rod, has ensured product quality.

The present invention may be further configured in a preferred embodiment as: the sleeve pipe is provided with the elastic band, and the elastic band is provided with many and the elastic band sets up between two adjacent lead screws, and the elastic band both ends respectively with sleeve pipe fixed connection.

Through adopting above-mentioned technical scheme, the elastic band sets up between two adjacent lead screws, and the elastic band both ends link to each other with the sleeve pipe is fixed respectively, and the elastic band is connected two adjacent sleeve pipes, and the sheathed tube slides when reducing the use, has improved the stability that the rotating turret used.

To sum up, the utility model discloses a beneficial technological effect does:

1. the clamping device is arranged on the connecting rod, so that the production efficiency is improved;

2. the adjusting assembly is arranged on the connecting rod, so that the use convenience of the rotating frame is improved;

3. through set up the bearing on the dwang, improved the convenience that the rotating turret used.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

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

FIG. 3 is a schematic view of the clamping device in use with a connecting rod;

FIG. 4 is an enlarged partial schematic view of portion B of FIG. 3;

FIG. 5 is a schematic view of the clamping device intended to highlight the torsion spring;

fig. 6 is a partially enlarged schematic view of a portion C in fig. 5.

In the figure, 1, a fuselage; 11. a rotating roller; 12. a plastic film; 13. a limiting component; 131. a groove; 2. a rotating frame; 21. a support; 211. fixing the disc; 212. a lead screw; 22. a connecting rod; 23. a rotating shaft; 24. an adjustment assembly; 241. a sleeve; 242. fixing a nut; 25. rotating the rod; 251. a bearing; 26. a handle; 27. an elastic band; 3. a clamping device; 31. a splint; 311. a long hole; 312. a pressing plate; 313. an anti-slip layer; 32. a limit bolt; 33. a limit nut; 34. a spring; 35. a torsion spring.

Detailed Description

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

Referring to fig. 1, a clamping device 3 of a large-sized packaging bag dividing device comprises a machine body 1, a rotating roller 11 and a rotating frame 2; the rotating roller 11 is rotatably connected with the machine body 1, the plastic film 12 is wound on the rotating roller 11, the rotating frame 2 is detachably arranged on the upper surface of the machine body 1, the clamping device 3 is arranged on the rotating frame 2, when large-scale packaging bag production is carried out, one end of the plastic film 12 is fixed by the clamping device 3, then the rotating frame 2 is rotated for production, the time for fixing the plastic film 12 on the rotating frame 2 is reduced, and the production efficiency is improved.

Referring to fig. 2, the rotating frame 2 includes a support 21, a connecting rod 22 and a rotating shaft 23, the support 21 includes two and two supports 21 disposed at two ends of the rotating shaft 23, the support 21 includes a fixed disk 211 and a lead screw 212, the lead screw 212 is disposed around the fixed disk 211 at equal intervals, one end of the lead screw 212 is fixedly connected to the fixed disk 211, the other end of the lead screw 212 extends towards a direction away from the fixed disk 211, in this embodiment, the lead screw 212 is preferably set to four, and two ends of the rotating shaft 23 are fixedly connected to the fixed. The connecting rod 22 is located between the two brackets 21, and two ends of the connecting rod 22 are detachably connected with the screw 212 facing the two brackets 21. A rotating rod 25 is fixedly arranged on one side of the center of the fixed disk 211, which is far away from the rotating shaft 23, and the rotating rod 25 is rotatably connected with the machine body 1. When a large-sized packaging bag is manufactured, the plastic film 12 is wound on the outer sides of the connecting rods 22, the rotating rod 25 is rotated, the fixing disk 211 drives the connecting rods 22 to rotate, the plastic film 12 is transferred to the rotating frame 2 from the rotating roller 11 along with the rotation of the rotating frame 2, and the lengths of the plastic films 12 between the adjacent connecting rods 22 are the same; and then the adjacent connecting rods 22 are cut to obtain a plurality of large packaging bags with the same size, so that the production efficiency is greatly improved.

Referring to fig. 2, the adjusting assembly 24 is disposed at two ends of the connecting rod 22, the adjusting assembly 24 includes a sleeve 241 and a fixing nut 242, a side surface of the sleeve 241 is fixedly connected to the connecting rod 22, the sleeve 241 is sleeved on the lead screw 212 and slidably connected to the lead screw 212, the fixing nut 242 is disposed at two ends of the sleeve 241, and the fixing nut 242 is in threaded connection with the lead screw 212. The sleeve 241 can slide along the direction of the screw 212, so that the connecting rods 22 slide along the extending direction of the screw 212, the distance between the adjacent connecting rods 22 is adjusted, the length of the plastic film 12 wound by the adjacent connecting rods 22 is adjusted, the connecting rods 22 can be adjusted according to actual production requirements, large packaging bags with different sizes are produced, and the use convenience of the rotating frame 2 is improved; the fixing nut 242 limits the sleeve 241, and when the sleeve 241 moves to a certain position, the fixing nut 242 abuts against the two ends of the sleeve 241 to prevent the sleeve 241 from sliding, thereby improving the stability of the rotating frame 2. An elastic band 27 is arranged between the adjacent sleeves 241, and two ends of the elastic band 27 are respectively fixedly connected with the sleeves 241. The elastic band 27 connects the two adjacent sleeves 241, so that the sliding of the sleeves 241 when the rotating frame 2 is used is reduced, and the use stability of the rotating frame 2 is improved.

Referring to fig. 2, the rotating rod 25 is sleeved with a bearing 251, the contact part of the body 1 and the bearing 251 is provided with a limiting assembly 13, the limiting assembly 13 is detachably connected with the body 1, the limiting assembly 13 is provided with a groove 131 matched with the bearing 251, the bearing 251 is placed in the groove 131, the outer surface of the bearing 251 is fixedly connected with the limiting assembly 13, and the inner wall of the bearing 251 is fixedly connected with the rotating rod 25. The limiting assembly 13 plays a bearing role for the bearing 251, the groove 131 and the bearing 251 reduce the friction force between the rotating rod 25 and the machine body 1, and the use convenience of the rotating rod 25 is improved; meanwhile, the limiting part has a limiting effect on the rotating rod 25, so that the rotating frame 2 is prevented from moving in the using process, and the product quality is guaranteed. The fixed handle 26 that is provided with in one end that the fixed disk 211 was kept away from to dwang 25, handle 26 conveniently rotates turret 2, has improved the convenience in use of turret 2. The machine body 1 is provided with two rotating frames 2, two rolls of plastic films 12 can be transferred and the large-sized packaging bag can be cut simultaneously, and the production efficiency is improved.

Referring to fig. 3, the clamping device 3 is disposed on the surface of the connecting rod 22, the clamping device 3 includes a clamping plate 31, a limit bolt 32 (see fig. 4) and a limit nut 33 (see fig. 5), the clamping plate 31 is disposed parallel to the connecting rod 22, and the clamping plate 31 abuts against the connecting rod 22; slotted holes 311 are formed in two ends of the clamping plate 31, the limiting bolt 32 is inserted into the slotted holes 311 and penetrates through the connecting rod 22, the limiting nut 33 is connected to one end, penetrating through the connecting rod 22, of the limiting bolt 32 in a threaded mode, the limiting bolt 32 is sleeved with the spring 34, the spring 34 is located between the limiting bolt 32 and the clamping plate 31, and two ends of the spring 34 are respectively abutted to the limiting bolt 32 and the clamping plate 31. A pressing plate 312 is fixedly arranged at the middle part of one side of the clamping plate 31 close to the rotating shaft 23, the pressing plate 312 is obliquely arranged along the direction from the surface of the clamping plate 31 to the surface far away from the clamping plate 31, and a torsion spring 35 (see fig. 6) is fixedly arranged between the pressing plate 312 and the connecting plate. Pressing the pressing plate 312 towards the direction close to the connecting rod 22, the pressing plate 312 drives the clamping plate 31 to be far away from the connecting rod 22, a gap is formed between the clamping plate 31 and the connecting rod 22, at the moment, one end of the plastic film 12 is placed between the clamping plate 31 and the connecting rod 22, the pressing plate 312 is loosened, the torsion spring 35 pushes the pressing plate 312, the clamping plate 31 is restored to the original position, the clamping plate 31 and the connecting rod 22 fix the plastic film 12, the plastic film 12 is prevented from sliding, and the production efficiency is improved. The restoring force of the spring 34 pushes the clamping plate 31, further enhancing the pressure of the clamping plate 31 on the connecting rod 22, and further enhancing the connection stability between the clamping plate 31 and the connecting rod 22. The surface of one side, which is abutted to the connecting rod 22, of the clamping plate 31 is fixedly provided with an anti-slip layer 313, and the anti-slip layer 313 increases the friction force between the clamping plate 31 and the plastic film 12, so that the fixing effect of the clamping device 3 on the plastic film 12 is further increased.

The implementation principle of the embodiment is as follows: when the rotating frame 2 is used for manufacturing a large-sized packaging bag, the plastic film 12 wound on the rotating roller 11 is pulled out, the pressing plate 312 is pressed towards the direction close to the connecting rod 22, the pressing plate 312 drives the clamping plate 31 to leave the connecting rod 22, a gap is formed between the clamping plate 31 and the connecting rod 22, one end of the plastic film 12 is placed between the clamping plate 31 and the connecting rod 22, then the pressing plate 312 is loosened, the clamping plate 31 and the connecting rod 22 are fixed to the plastic film 12 through the restoring force of the spring 34, then the sleeve 241 is adjusted to a proper position along the direction of the lead screw 212 according to the size of the large-sized packaging bag to be manufactured, and the connecting rod 22 is fixed. Then the handle 26 is rotated to rotate the rotating frame 2, the plastic film 12 on the rotating roller 11 is transferred to the rotating frame 2, the plastic film 12 is wound on the connecting rods 22, and the lengths of the plastic films 12 between the adjacent connecting rods 22 are the same. Finally, the plastic film 12 is cut along the direction of the connecting rod 22 to manufacture a plurality of large packaging bags with the same size, and the production efficiency is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a large-scale wrapping bag segmenting device's clamping device, including fuselage (1), live-rollers (11) rotate with fuselage (1) and are connected, plastic film (12) twine on live-rollers (11), be provided with rotating turret (2) on fuselage (1), rotating turret (2) are provided with two, rotating turret (2) include support (21), connecting rod (22) and axis of rotation (23), every rotating turret (2) are equipped with two support (21), support (21) are located axis of rotation (23) both ends, support (21) include fixed disk (211) and lead screw (212), lead screw (212) are provided with many around fixed disk (211), lead screw (212) one end and fixed disk (211) fixed connection, lead screw (212) other end extends towards the direction of keeping away from fixed disk (211); connecting rod (22) are located between two supports (21) and connecting rod (22) both ends can be dismantled with lead screw (212) and be connected, axis of rotation (23) both ends and fixed disk (211) fixed connection, its characterized in that: the surface of the connecting rod (22) is provided with a clamping device (3), the clamping device (3) comprises a clamping plate (31), a limiting bolt (32) and a limiting nut (33), the clamping plate (31) is arranged in parallel with the connecting rod (22), two ends of the clamping plate (31) are provided with long holes (311), the limiting bolt (32) is inserted into the long holes (311) and passes through the connecting rod (22) for arrangement, the limiting nut (33) is in threaded connection with one end of the limiting bolt (32) which passes through the connecting rod (22), the limiting bolt (32) is sleeved with a spring (34), the spring (34) is positioned between the limiting bolt (32) and the clamping plate (31), and the two ends of the spring (34) are respectively abutted against the limiting bolt (32) and the clamping plate (31), one side of the clamping plate (31) close to the rotating shaft (23) is fixedly provided with a pressing plate (312), and the pressing plate (312) is obliquely and upwards arranged along the direction far away from the surface of the clamping plate (31).

2. The holding device of a large envelope dividing device as claimed in claim 1, wherein: be provided with torsional spring (35) between pressing panel (312) and connecting rod (22), torsional spring (35) one end links to each other with pressing panel (312) fixed, and torsional spring (35) other end links to each other with connecting rod (22) fixed surface.

3. The holding device of a large envelope dividing device as claimed in claim 1, wherein: the pressing plate (312) is arranged at the middle position of one side of the clamping plate (31) close to the rotating shaft (23).

4. The holding device of a large envelope dividing device as claimed in claim 1, wherein: and an anti-slip layer (313) is fixedly arranged on the surface of the clamping plate (31) which is in contact with the connecting rod (22).

5. The holding device of a large envelope dividing device as claimed in claim 1, wherein: adjusting components (24) are arranged at two ends of the connecting rod (22), each adjusting component (24) comprises a sleeve (241) and a fixing nut (242), the sleeve (241) is sleeved on the screw rod (212), and the fixing nuts (242) are located at two ends of the sleeve (241) and are in threaded connection with the screw rod (212).

6. The holding device of a large envelope dividing device as claimed in claim 1, wherein: fixed disk (211) center is kept away from one side of axis of rotation (23) and is fixed and be provided with dwang (25), and dwang (25) rotate with fuselage (1) and are connected, and the one end that fixed disk (211) was kept away from in dwang (25) is fixed and is provided with handle (26).

7. The holding device of a large package bag splitting apparatus as claimed in claim 6, wherein: dwang (25) circumference face cover is equipped with bearing (251), and fuselage (1) and bearing (251) contact position department are provided with spacing subassembly (13), and spacing subassembly (13) can be dismantled with fuselage (1) and be connected, and recess (131) with bearing (251) looks adaptation are seted up in spacing subassembly (13), and bearing (251) are placed in recess (131), and bearing (251) inner wall links to each other with dwang (25) are fixed, and bearing (251) surface links to each other with spacing subassembly (13) is fixed.

8. The holding device of a large envelope dividing device as claimed in claim 5, wherein: the sleeve (241) is provided with an elastic band (27), the elastic band (27) is provided with a plurality of elastic bands (27) arranged between two adjacent screw rods (212), and two ends of the elastic band (27) are respectively fixedly connected with the sleeve (241).