CN211497882U

CN211497882U - Wire drawing knife assembly of heating wire drawing cutting machine

Info

Publication number: CN211497882U
Application number: CN201922308414.1U
Authority: CN
Inventors: 石秀明; 张风新; 丁兴超; 梁金忠; 焦金生
Original assignee: Beijing Hengrun Plastic Products Co ltd
Current assignee: Beijing Hengrun Plastic Products Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-15
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to a wire drawing knife tackle spare of heating wire drawing cutting machine, including adding support, the horizontal rotation of establishing in the frame and connecting the connection roller on the support, evenly add and establish a plurality of cutting knives on connecting the roller global and add and establish and drive connection roller pivoted hand wheel on the support, the connection roller is laid with the conveying roller parallel and is located between the two adjacent conveying rollers, the cutting knife is laid and is used for becoming the ribbon fiber with the film cutting along the length direction of connection roller, be provided with the fixed subassembly that is used for fixed hand wheel on the hand wheel and the support. The utility model has the advantages that: make things convenient for the staff to change the cutting knife, reduce the required time of change cutting knife.

Description

Wire drawing knife assembly of heating wire drawing cutting machine

Technical Field

The utility model belongs to the technical field of the braided bag wire drawing machine and specifically relates to a wire drawing knife tackle spare of heating wire drawing cutting machine is related to.

Background

The woven bag is divided into a polypropylene bag and a polyethylene bag according to the main material composition; the packaging material is divided into a bottom sewing bag and a side sewing bag according to a sewing method, and is a packaging material widely applied to the articles such as fertilizers, chemical products and the like at present. The main production process is to extrude, cut and unidirectionally stretch plastic raw materials into flat filaments, and the flat filaments are woven by warps and wefts to obtain the product.

As shown in fig. 1 and fig. 2, the wire drawing machine 1 includes a frame 11, a plurality of conveying rollers 12 for conveying a film, a cutting knife 23 for cutting the film into flat wires, and a heating table 13 for heating the flat wires, after the film is output from a hot melt extruder, the film enters the conveying rollers 12, the conveying rollers 12 convey the film, the film is cut into flat wires by the cutting knife 23 in the conveying process, the flat wires are continuously conveyed, the film enters the heating table 13 to be heated, then the film continues to enter the conveying rollers 12 to be conveyed, in the subsequent conveying process, the rotating speeds of the adjacent conveying rollers 12 are different, the rotating speed of the latter is slightly larger than that of the former, the rotating speed of the latter is used for stretching the flat wires, then the film enters the heating table 13 to be heated, then the film continues to be stretched and shaped by the conveying rollers 12, and finally the film is stored.

The wire drawing machine is in the use, and the wear rate of cutting knife is the highest, needs regularly to maintain and change the cutting knife, just can guarantee the cutting quality of cutting knife like this, but at wire drawing machine working process, when needing the cutting knife to appear damaging, need shut down to change the cutting knife, pull down old cutting knife, then install new cutting knife, will cause the down time overlength like this, and then influence production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wire drawing knife tackle spare of heating wire drawing cutting machine, its advantage: make things convenient for the staff to change the cutting knife, reduce the required time of change cutting knife.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a wire drawing knife tackle spare of heating wire drawing cutting machine, is including adding the support of establishing in the frame, the horizontal rotation connects the connecting roller on the support, evenly adds a plurality of cutting knives of establishing on connecting roller global and adds and establish and drive connecting roller pivoted hand wheel on the support, the connecting roller is laid with the conveying roller parallel and is located between two adjacent conveying rollers, the cutting knife is laid along the length direction of connecting the roller and is used for becoming the flat filament with the film cutting, be provided with the fixed subassembly that is used for fixed hand wheel on the hand wheel and the support.

Through adopting above-mentioned technical scheme, when needing to be changed the cutting knife, open fixed subassembly, then manual rotation hand wheel, inconsistent and cut into the state of ribbon-like silk with the film up to harmless cutting knife, then the fixed subassembly of locking can, the staff needn't dismantle again and install the cutting knife, only need rotate the cutting knife that the connecting roller can be renewed, not only made things convenient for the staff to change the cutting knife, reduced the required time of change cutting knife moreover, and then can not influence production efficiency.

The utility model discloses further set up to: the fixed component is additionally provided with a limiting ring which is arranged on the bracket and sleeved at the position of the hand wheel rotating shaft, a sliding sleeve which is sleeved on the hand wheel rotating shaft and is connected with the hand wheel rotating shaft in a sliding manner, the hand wheel rotating shaft is additionally provided with a sliding block, a sliding chute for the sliding block to horizontally slide is formed in the sliding sleeve, a clamping block is additionally arranged at one end of the sliding sleeve, which faces the limiting ring, a plurality of clamping grooves corresponding to a plurality of cutting knives are respectively formed in the limiting ring, and when the clamping block is clamped in the clamping grooves, the cutting knives cut.

Through adopting above-mentioned technical scheme, when fixed subassembly is opened to needs, to the direction level sliding sleeve of keeping away from the confinement ring, until the fixture block leaves the draw-in groove completely, can rotate the hand wheel, after the hand wheel rotation finishes, the fixture block is just to another draw-in groove, then to the direction sliding sleeve that is close to the sliding sleeve, until the fixture block is located the draw-in groove completely, can restrict the rotation of hand wheel, made things convenient for the state of staff control hand wheel, and then made things convenient for the staff to change the cutting knife.

The utility model discloses further set up to: one side of the sliding sleeve facing the hand wheel is provided with a control wheel sleeved with a hand wheel rotating shaft, the control wheel and the hand wheel are arranged in parallel, and the control wheel and the hand wheel are arranged in parallel at intervals.

Through adopting above-mentioned technical scheme, the staff can control the position of sliding sleeve through the position of control wheel, has made things convenient for the staff to control the position of sliding sleeve.

The utility model discloses further set up to: a return spring is additionally arranged between the control wheel and the hand wheel, the return spring is sleeved on a hand wheel rotating shaft, and one end of the return spring is connected with the control wheel while the other end is connected with the hand wheel.

Through adopting above-mentioned technical scheme, add and establish reset spring, give control wheel a power of keeping away from the hand wheel all the time, guarantee that the control wheel is when not receiving external force, and the slider is located the spout.

The utility model discloses further set up to: the back of a knife blade of cutting knife adds the connecting seat that is equipped with rectangular shape along length direction, the holding tank that holds the connecting seat is seted up along length direction to the outer peripheral face of connecting roller, the holding tank pierces through the connecting roller along length direction, the both ends of connecting seat can be dismantled with the both sides end of connecting roller and be connected.

Through adopting above-mentioned technical scheme, the cutting knife is fixed on the connecting seat, and the connecting seat is fixed in the holding tank, makes things convenient for the staff to install the cutting knife on connecting the roller.

The utility model discloses further set up to: the connecting seat is including the U template that is used for holding the cutting knife back of a knife and add the cardboard of establishing deviating from the open end face at the U template, the width of cardboard is greater than the width that the U template deviates from the open end face, the holding tank sets up the T type groove for holding U template and cardboard, the cutting knife passes through the fix with screw in the U template to the screw inlays to be established in the U template.

Through adopting above-mentioned technical scheme, cardboard and U template card are established at T type inslot, have not only played the effect of a location to the connecting seat, have played the fixed effect of a bearing to the connecting seat moreover, have guaranteed that the cutting knife is stable fixes on connecting the roller.

The utility model discloses further set up to: the side walls at the two ends of the U-shaped plate are fixedly connected with the two end walls of the connecting roller through bolts.

Through adopting above-mentioned technical scheme, adopt the bolt to be fixed connecting seat and connecting roller, guaranteed that the connecting seat is stable fixes on the connecting axle to make things convenient for the staff to install and dismantle the connecting seat.

The utility model discloses further set up to: the support is provided with a guide arc plate which is arranged in parallel with the connecting roller and used for supporting and conveying the film, and the guide arc plate is provided with a abdicating groove for inserting the cutting edge of the cutting knife.

Through adopting above-mentioned technical scheme, guarantee the cutting knife when the cutting film, the film can not break away from the cutting knife, prevented to appear cutting continuous phenomenon, and then influences the cutting quality.

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

1. the cutting knife is arranged on the connecting shaft, and the cutting knife can be replaced by rotating the connecting shaft, so that not only is the replacement of the cutting knife by workers facilitated, but also the time for replacing the cutting knife is reduced;

2. by arranging the fixing component, the state of the hand wheel is conveniently controlled by a worker;

3. through setting up the direction arc board, guaranteed that the cutting knife is contradicted with the film all the time and is cut, avoided the film to break away from the phenomenon of cutting knife.

Drawings

Fig. 1 is a background art diagram.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural view in application of the present invention.

Fig. 4 is a schematic structural diagram showing the positional relationship between the conveying roller and the wire drawing knife assembly in the utility model.

Fig. 5 is a schematic view of a partial exploded cross-sectional structure of the fixing assembly according to the present invention.

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

In the figure, 1, a drawing machine; 11. a frame 12, a conveying roller; 13. a heating stage; 2. a wire drawing knife assembly; 21. a support; 22. a connecting roller; 23. a cutting knife; 24. a hand wheel; 3. a fixing assembly; 31. a confinement ring; 32. a sliding sleeve; 33. a clamping block; 34. a card slot; 351. a slider; 35. a chute; 36. a control wheel; 37. a return spring; 4. a connecting seat; 41. a U-shaped plate; 42. clamping a plate; 5. accommodating grooves; 7. a guide arc plate; 71. a yielding groove.

Detailed Description

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

Example (b): as shown in fig. 3 and 4, for the utility model discloses a wire drawing knife tackle spare of heating wire drawing cutting machine, set up in frame 11 and lie in between two conveying rollers 12, wire drawing knife tackle spare 2 includes support 21, connecting roller 22, cutting knife 23 and hand wheel 24, support 21 rigid coupling is in frame 11, connecting roller 22 horizontal rotation is connected in frame 11, and connecting roller 22 and conveying roller 12 parallel laying, cutting knife 23 can be dismantled and fix on the outer peripheral face of connecting roller 22, and lay along the length direction of connecting roller 22, combine fig. 5, four cutting knife 23 of evenly having arranged on connecting roller 22, hand wheel 24 rotates and connects on support 21, and with conveying roller 12's coaxial rigid coupling, can rotate connecting roller 22 through rotating hand wheel 24, drive cutting knife 23 on the connecting roller 22 and rotate, change cutting knife 23 has been realized.

As shown in fig. 5 and 6, a fixing assembly 3 for fixing the hand wheel 24 is arranged between the hand wheel 24 and the bracket 21, the fixing assembly 3 comprises a limit ring 31 and a sliding sleeve 32, the limit ring 31 is fixed on the bracket 21, the rotating shaft of the hand wheel 24 is sleeved and is not contacted with the rotating shaft of the hand wheel 24, four clamping blocks 33 which are uniformly distributed are fixedly connected on the end surface of the sliding sleeve 32 facing the limiting ring 31 and horizontally facing the limiting ring 31, four clamping grooves 34 for clamping the clamping blocks 33 are arranged on the limiting ring 31, when the clamping block 33 is located in the clamping groove 34, the cutting knife 23 is abutted to the film and cuts the film into flat wires, the position of each clamping groove 34 is over against each cutting knife 23, a sliding block 351 is fixedly connected to the rotating shaft of the hand wheel 24, a sliding groove 35 for the sliding block 351 to horizontally slide is formed in the position of the sliding sleeve 32 over against the sliding block 351 along the length direction of the sliding sleeve 32, and the sliding sleeve 32 and the rotating shaft of the hand wheel 24 are limited to slide only in the horizontal direction.

One side of the sliding sleeve 32 facing the hand wheel 24 is provided with a control wheel 36 sleeved on the rotating shaft of the hand wheel 24, a gap is formed between the control wheel 36 and the hand wheel 24, a return spring 37 is arranged between the control wheel 36 and the hand wheel 24, the return spring 37 is sleeved on the rotating shaft of the hand wheel 24, and two ends of the return spring are respectively connected with the hand wheel 24 and the control wheel 36, so that a worker can conveniently change the state of the fixing component 3.

The connecting seat 4 is arranged on the edge of the blade back of the cutting knife 23, the connecting seat 4 comprises a U-shaped plate 41 and a clamping plate 42, one end of the blade back of the cutting knife 23 is accommodated in the U-shaped plate 41, the cutting knife 23 is fixed in the U-shaped plate 41 through screws, the screws are embedded in the U-shaped plate 41, the clamping plate 42 is fixedly connected to the end surface of the U-shaped plate 41, which is far away from the opening, the width of the clamping plate 42 is larger than the width of the U-shaped plate 41, which is far away from the opening end surface, a T-shaped structure is formed, an accommodating groove 5 for accommodating the connecting seat 4 is formed in the outer peripheral surface of the connecting roller 22 along the length direction, the accommodating groove 5 penetrates through the connecting roller 22 in the length direction, the accommodating groove 5 is arranged to be a T-shaped groove for accommodating the U-shaped plate 41 and the clamping plate 42 respectively, the U-shaped plate 41 and the clamping plate 42 are both connected with the accommodating groove 5 in a, the first lug plate and the second lug plate are detachably connected through bolts.

As shown in fig. 4, be provided with direction arc board 7 on the support 21, direction arc board 7 sets up in one side of connecting roller 22, combine fig. 5 and fig. 6, direction arc board 7 offers on the terminal surface of cutting knife 23 and supplies cutting knife 23 cutting edge male groove 71 of stepping down, the film is inconsistent with the terminal surface that groove 71 of stepping down was offered to the deflector, guarantee that cutting knife 23 can not break away from cutting knife 23 when cutting the film, prevent the phenomenon of cutting and break off, influence the cutting quality.

The implementation principle of the embodiment is as follows: when the cutting knife 23 of the wire drawing machine 1 needs to be replaced in the working state, the fixing assembly 3 is firstly opened, the control wheel 36 is slid towards the direction close to the hand wheel 24 until the clamping block 33 is completely removed from the clamping groove 34, then the hand wheel 24 is rotated until the undamaged cutting knife 23 is just opposite to the abdicating groove 71 of the guide arc plate 7, at the moment, the clamping block 33 is just opposite to the other clamping groove 34, then the control wheel 36 is loosened, the control wheel 36 is restored to the initial state under the action of the return spring 37, the clamping block 33 is clamped in the clamping groove 34 to limit the rotation of the hand wheel 24, and the replacement of.

When the cutting knife 23 on the connecting roller 22 needs to be replaced, the bolt on the first lug plate 6 and the second lug plate 61 is loosened, then the connecting seat 4 slides horizontally until the connecting seat 4 completely leaves the connecting roller 22, then the connecting seat 4 in the new cutting knife 23 is opposite to the accommodating groove 5, the connecting seat 4 slides horizontally, and then the first lug plate 6 and the second lug plate 61 are fixed at two ends of the connecting roller 22 by bolts respectively.

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 wire drawing knife tackle spare of heating wire drawing cutting machine, its characterized in that, including adding support (21) of establishing on frame (11), horizontal rotation connects connecting roller (22) on support (21), evenly add a plurality of cutting knife (23) of establishing on connecting roller (22) global and add and establish and drive connecting roller (22) pivoted hand wheel (24) on support (21), connecting roller (22) and conveying roller (12) parallel are laid and are located between two adjacent conveying roller (12), cutting knife (23) are laid along the length direction of connecting roller (22) and are used for cutting into the ribbon-like filament with the film, be provided with fixed subassembly (3) that are used for fixed hand wheel (24) on hand wheel (24) and support (21).

2. The wire drawing cutter assembly of the heating wire drawing cutting machine as claimed in claim 1, wherein the fixing assembly (3) is additionally provided with a limiting ring (31) which is arranged on the support (21) and sleeved at the rotating shaft of the hand wheel (24), and a sliding sleeve (32) which is sleeved on the rotating shaft of the hand wheel (24) and is in sliding connection with the rotating shaft of the hand wheel (24), the rotating shaft of the hand wheel (24) is additionally provided with a sliding block (351), the sliding sleeve (32) is provided with a sliding groove (35) for the sliding block (351) to horizontally slide, one end of the sliding sleeve (32) facing the limiting ring (31) is additionally provided with a plurality of clamping blocks (33), the limiting ring (31) is respectively provided with a plurality of clamping grooves (34) corresponding to the plurality of cutting cutters (23), and when the clamping blocks (33) are clamped in the clamping grooves (34), the cutting cutters (23).

3. The wire drawing knife assembly of the heating wire drawing cutting machine as claimed in claim 2, wherein a control wheel (36) sleeved on the rotating shaft of the hand wheel (24) is arranged on one side of the sliding sleeve (32) facing the hand wheel (24), and the control wheel (36) and the hand wheel (24) are arranged in parallel and are arranged in parallel at intervals.

4. The wire drawing knife assembly of the heating wire drawing cutting machine according to claim 3, wherein a return spring (37) is additionally arranged between the control wheel (36) and the hand wheel (24), the return spring (37) is sleeved on a rotating shaft of the hand wheel (24), one end of the return spring (37) is connected with the control wheel (36) and the other end is connected with the hand wheel (24).

5. The wire drawing knife assembly of the heating wire drawing cutting machine as claimed in claim 1, wherein the back of the cutting knife (23) is additionally provided with a long-strip-shaped connecting seat (4) along the length direction, the outer peripheral surface of the connecting roller (22) is provided with a containing groove (5) for containing the connecting seat (4) along the length direction, the containing groove (5) penetrates through the connecting roller (22) along the length direction, and two ends of the connecting seat (4) are detachably connected with two side ends of the connecting roller (22).

6. The wire drawing knife assembly of the heating wire drawing cutting machine is characterized in that the connecting seat (4) comprises a U-shaped plate (41) used for containing a knife back of the cutting knife (23) and a clamping plate (42) additionally arranged on the U-shaped plate (41) and deviating from the end face of the opening, the width of the clamping plate (42) is larger than that of the U-shaped plate (41) deviating from the end face of the opening, the accommodating groove (5) is arranged to be a T-shaped groove used for containing the U-shaped plate (41) and the clamping plate (42), the cutting knife (23) is fixed in the U-shaped plate (41) through screws, and the screws are embedded in the U-shaped plate (41).

7. The drawing knife assembly of a heating drawing cutting machine according to claim 6, wherein the side walls of both ends of the U-shaped plate (41) are fixedly connected with both end walls of the connecting roller (22) by bolts.

8. The wire drawing cutter assembly of the heating wire drawing cutting machine as claimed in claim 1, wherein the support (21) is provided with a guide arc plate (7) which is arranged in parallel with the connecting roller (22) and is used for supporting and conveying the thin film, and the guide arc plate (7) is provided with an abdicating groove (71) for inserting the cutting edge of the cutting knife (23).