Efficient precise shearing machine convenient to adjust

Abstract

The utility model discloses a high-efficiency precise shearing machine convenient to adjust, which comprises a rack, a cloth feeding mechanism, a cloth discharging mechanism, a three-knife part and a PLC (Programmable Logic Controller) control cabinet, the three-knife part comprises a circular knife part, a knife supporting part and a flat knife part, the knife supporting part comprises a knife supporting strip, a knife supporting seat and a knife supporting frame, and the height of wool is adjusted by adopting knife supporting swing type up-down adjustment. A swing type wool height adjusting assembly is arranged, is connected with a cutter supporting component and comprises a cutter supporting base, a sliding block, a linear potentiometer, a limiting block, an air cylinder I, a connecting rod I, a speed reducer, a speed reducer supporting base and a bearing, and the cutter supporting component rotates through the bearing, the sliding block, the limiting block and the air cylinder I; the speed reducer supports are fastened on the machine frames on the two sides, and the cutter supporting component moves up and down through the speed reducer, the linear potentiometer, the speed reducing motor and the first connecting rod. According to the utility model, the height of the wool is adjusted in a manner that the movable supporting knife is adjusted up and down, and the ultra-large circular knife is adopted, so that the shearing stability and the shearing efficiency are improved; the three cutters are adjusted in front of the equipment, so that the operation and maintenance convenience of the equipment is improved; the whole machine is high in dust collection efficiency, so that the shearing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to textile finishing equipment, in particular to a high-efficiency precision shearing machine which is easy to adjust. Background Art

[0002] At present, in the field of textile finishing equipment, the current finishing equipment on the market for shearing and finishing knitted fabrics such as velvet, polar fleece, Austrian fleece, and sweater fabric generally uses a shearing machine with 24 circular knives. The current market response is: it is difficult to ensure that the shearing angle remains unchanged while adjusting the shearing height; the work efficiency is low, the adjustment of the three knives is inconvenient, and the dust collection effect caused by the enlarged circular knife is not ideal.

[0003] Traditional knitting shearing machines: The adjustment of shearing height usually moves the circular flat knife, which makes it difficult to ensure that the shearing point remains unchanged (the absolute position of the flat knife tip and the support knife tip), and the shearing angle remains unchanged when adjusting the shearing height; the circular knife blades usually use 24 blades; the circular knife bearings usually use two single-row bearings, and the supporting surface is narrow, which leads to instability during the operation of the circular knife, affecting the life of the parts and the shearing quality; the adjustment method for the three knives is usually on the back of the equipment, which is inconvenient for frequent adjustment; dust collection usually uses top suction from top to bottom, and the wind pressure and wind speed are unevenly stressed. Therefore, there is still a lot of room for improvement to meet the user's requirements for more convenient use. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a high-efficiency and precise wool shearing machine which is easy to adjust. The wool height is adjusted by the up and down adjustment of the support knife, and a rotating expansion roller is adopted in front of the support knife. The connecting rod mechanism is used to ensure that the length of the fabric is consistent when the support knife is opened and closed; the three knives are adjusted in front of the equipment, which improves the convenience of operation and maintenance of the equipment; an extra-large circular knife is adopted to improve the stability and shearing efficiency during shearing; the circular knife dust suction adopts the left and right horn suction type, which greatly improves the dust suction efficiency, thereby improving the wool shearing efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an efficient and precise wool shearing machine that is easy to adjust, comprising a frame, a cloth feeding mechanism, a cloth discharging mechanism, a three-knife component and a PLC control cabinet, the three-knife component comprising a round knife component, a knife supporting component and a flat knife component, the knife supporting component comprising a knife supporting strip, a knife supporting seat and a knife supporting frame, the wool height adjustment adopts a knife supporting swing-type up and down adjustment, a swing-type wool height adjustment component is provided, which is connected to the knife supporting component, comprising a knife supporting seat, a slider I, a linear potentiometer, a limit block, a cylinder I, a connecting rod I, a reducer, a reducer support and a bearing, the knife supporting component is rotated by the bearing, the slider I, the limit block and the cylinder I; the reducer support is fastened to the frames on both sides, and the knife supporting component is moved up and down by the reducer, the linear potentiometer, the reduction motor and the connecting rod I.

[0006] As a further improvement, a rotating expanding roller assembly is provided on one side of the swing-type wool height adjustment assembly to ensure that the length of the fabric is consistent after the knife support component swings to adjust the wool height, including a fixed expanding roller, a smooth roller, an expanding roller and a synchronous belt assembly. The knife support frame is connected to the left and right brackets through a connecting rod II; after the left and right brackets and the smooth roller and expanding roller are combined, they rotate around the fixed expanding roller.

[0007] As a further improvement, the adjustment operations of the three knife components are all set on the front side of the frame, the circular knife component includes a circular knife, a circular knife support, a circular knife bearing assembly, a cylinder II and a pull rod I; the flat knife component includes a flat knife, a flat knife bracket, a flat knife holder pull rod and a pull rod II; the circular knife and the circular knife bearing assembly are installed on the flat knife bracket and adjusted in front of the equipment by pull rod I; the flat knife component is installed on the slider II and the flat knife support through a bearing and adjusted in front of the equipment by pull rod II.

[0008] As a further improvement, the circular knife bearing assembly includes a connecting rod III, two double-row needle bearings, a bearing sealing ring, a dumbbell-type circular knife bearing seat, a lower slider and an upper slider; the circular knife bearing assembly is moved up and down by connecting rod III and bolts, thereby adjusting the distance between the circular knife and the flat knife.

[0009] As a further improvement, it also includes a dust suction component, which adopts left and right horn suction type, and the dust suction component includes a dust suction component body, air outlets on both sides and a middle guide plate.

[0010] As a further improvement, a point-contact cloth seam detection device is also provided.

[0011] As a preferred embodiment, the number n of the circular knife blades is ≥36.

[0012] The beneficial effects of the utility model are as follows: the wool height is adjusted by the movable support knife up and down adjustment method, which ensures that the shearing point remains unchanged (the absolute position of the flat knife tip and the support knife tip), thereby improving the stability and shearing efficiency during shearing; a rotating expansion roller is adopted in front of the support knife, and a connecting rod mechanism is used to ensure that the fabric length is consistent when the support knife is opened and closed; three knives are adjusted in front of the equipment, which improves the convenience of operation and maintenance of the equipment; an extra-large circular knife (the number of circular knife strips is n, and n≥36 pieces) is used to improve the shearing processing efficiency; the circular knife bearing adopts double-row and double-row to improve the stability of the circular knife support; the circular knife dust suction adopts left and right horn suction to greatly improve the dust suction efficiency, thereby improving the shearing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0014] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0015] Figure 3 This is a schematic diagram of the knife components of the third embodiment of the utility model;

[0016] Figure 4 This is a schematic diagram of a knife support and a swing-type hair height adjustment assembly according to an embodiment of the utility model;

[0017] Figure 5 This is a schematic diagram of a rotary expansion roller assembly according to an embodiment of the utility model;

[0018] Figure 6 This is a working schematic diagram of the rotary expansion roller assembly according to an embodiment of the utility model;

[0019] Figure 7 This is a schematic diagram of the circular knife and flat knife components of the utility model embodiment;

[0020] Figure 8 This is a schematic diagram of a circular knife bearing assembly according to an embodiment of the utility model;

[0021] Fig. 9 It is a schematic diagram of the dust collection component of an embodiment of the utility model.

[0022] In the figure: 1, frame; 2, cloth feeding mechanism; 3, cloth discharging mechanism; 4, fabric; 5, PLC control cabinet; 6, circular knife component; 6-01, circular knife; 6-02, circular knife support; 6-03, circular knife bearing assembly; 6-04, cylinder II; 6-05, pull rod I; 7, knife support component; 7-01, knife support strip; 7-02, knife support seat; 7-03, knife support frame; 7-04, knife support seat; 7-05, slider I; 7-06, linear potentiometer; 7-07, limit block; 7-08, cylinder I; 7-09, connecting rod I; 7-10, reducer; 7-11, reducer support; 7-12, bearing; 8, flat knife component; 8-01, flat knife; 8-02, flat knife Bracket; 8-03, flat knife holder pull rod; 8-04, pull rod II; 8-05, slider II; 8-06, flat knife support; 9, rotating expansion roller assembly; 9-01, fixed expansion roller; 9-02, smooth roller; 9-03, expansion roller 9-03; 9-04, synchronous belt assembly; 9-05, left and right brackets; 9-06, connecting rod II; 10, point contact type cloth seam detection device; 11, dust suction component; 11-01, dust suction component body; 11-02, air outlets on both sides; 11-03, middle guide plate; 12, connecting rod III; 13, bolts; 14, double row two needle bearings; 15, bearing seal ring; 16, dumbbell type circular knife bearing seat; 17, lower slider; 18, upper slider. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1 As shown, a high-efficiency precision shearing machine which is easy to adjust includes a frame 1, a cloth feeding mechanism 2, a cloth discharging mechanism 3, three knife components and a PLC control cabinet 5, and is used to shear the fabric 4.

[0025] like Figure 2-Figure 4 As shown, the three-knife component includes a circular knife component 6, a knife supporting component 7 and a flat knife component 8. The knife supporting component 7 includes a knife supporting strip 7-01, a knife supporting seat 7-02 and a knife supporting frame 7-03. The rough height adjustment adopts a knife supporting swing-type up and down adjustment. A swing-type rough height adjustment component is provided, which is connected to the knife supporting component 7, including a knife supporting seat 7-04, a slider I 7-05, a linear potentiometer 7-06, a limit block 7-07, a cylinder I 7-08, a connecting rod I 7-09, a reducer 7-10, a reducer support 7-11 and a bearing 7-12. The knife supporting component 7 is rotated by the bearing 7-12, the slider I 7-05, the limit block 7-07 and the cylinder I 7-08, and is positioned by the limit block 7-07 to ensure the rotation angle. The reducer support 7-11 is fastened to the two side frames 1, and the knife support component 7 realizes up and down movement through the reducer 7-10, the linear potentiometer 7-06, the reduction motor and the connecting rod I 7-09. A point contact type cloth seam detection device 10 is also provided.

[0026] like Figure 5 , Figure 6 As shown, a rotating widening roller assembly 9 is provided on one side of the swing-type hair height adjustment assembly to ensure that the length of the fabric 4 is consistent after the knife support component 7 swings to adjust the hair height, including a fixed widening roller 9-01, a light roller 9-02, a widening roller 9-03 and a synchronous belt assembly 9-04. The knife support frame 7-03 is connected to the left and right brackets 9-05 through a connecting rod II 9-06; the left and right brackets 9-05, the light roller 9-02 and the widening roller 9-03 are combined and rotate around the fixed widening roller 9-01. The rotating widening roller assembly 9 is connected to the knife support through a connecting rod II 9-06, and is driven by a synchronous belt and a synchronous pulley, so that the widening roller 9-03 rotates when the knife support is swung. During the rotation process, the connecting rod structure is used to ensure that the fabric length B4-02 is consistent with the fabric length A4-01.

[0027] like Figure 3 , Figure 7As shown, the adjustment operations of the three knife components are all set on the front side of the frame 1. The circular knife component 6 includes a circular knife 6-01, a circular knife support 6-02, a circular knife bearing assembly 6-03, a cylinder II 6-04 and a pull rod I 6-05. The number of blades of the circular knife 6-01 is n ≥ 36. The flat knife component 8 includes a flat knife 8-01, a flat knife bracket 8-02, a flat knife holder pull rod 8-03 and a pull rod II 8-04; the circular knife 6-01 and the circular knife bearing assembly 6-03 are installed on the flat knife bracket 8-02, and are adjusted in front of the equipment through the pull rod I 6-05; the flat knife component 8 is installed on the slider II 8-05 and the flat knife support 8-06 through the bearing, and is adjusted in front of the equipment through the pull rod II 8-04.

[0028] like Figure 8 As shown, the circular knife bearing assembly 6-03 includes a connecting rod III 12, two double-row needle bearings 14, a bearing sealing ring 15, a dumbbell-type circular knife bearing seat 16, a lower slider 17 and an upper slider 18; the circular knife bearing assembly 6-03 is moved up and down by the connecting rod III 12 and the bolt 13, thereby realizing the adjustment of the distance between the circular knife 6-01 and the flat knife 8-01.

[0029] like Fig. 9 As shown, it also includes a dust suction component 11, which adopts a left and right horn suction type. The dust suction component 11 includes a dust suction component body 11-01, two side air outlets 11-02 and a middle guide plate 11-03. It is installed on the flat knife bracket 8-02 to cover the round knife 6-01. The cut hair scraps are guided by the middle guide plate 11-03 and evenly discharged from the two side air outlets 11-02.

Claims

1. An efficient and precise wool shearing machine that is easy to adjust, comprising a frame (1), a cloth feeding mechanism (2), a cloth discharging mechanism (3), three knife components and a PLC control cabinet (5), wherein the three knife components comprise a round knife component (6), a knife supporting component (7) and a flat knife component (8), wherein the knife supporting component (7) comprises a knife supporting strip (7-01), a knife supporting seat (7-02) and a knife supporting frame (7-03), characterized in that: The rough height adjustment adopts the swing-type up and down adjustment of the knife support, and a swing-type rough height adjustment component is provided, which is connected to the knife support component (7), including a knife support seat (7-04), a slider I (7-05), a linear potentiometer (7-06), a limit block (7-07), a cylinder I (7-08), a connecting rod I (7-09), a reducer (7-10), a reducer support seat (7-11) and a bearing (7-12). The knife support component (7) is rotated by the bearing (7-12), the slider I (7-05), the limit block (7-07) and the cylinder I (7-08); the reducer support seat (7-11) is fastened to the frames (1) on both sides, and the knife support component (7) is moved up and down by the reducer (7-10), the linear potentiometer (7-06), the reduction motor and the connecting rod I (7-09).

2. A highly efficient and precise wool shearing machine that is easy to adjust as claimed in claim 1, characterized in that: A rotating widening roller assembly (9) is provided on one side of the swing-type wool height adjustment assembly to ensure that the length of the fabric (4) is consistent after the knife support component (7) swings to adjust the wool height. The assembly comprises a fixed widening roller (9-01), a smooth roller (9-02), a widening roller (9-03) and a synchronous belt assembly (9-04). The knife support frame (7-03) is connected to the left and right brackets (9-05) through a connecting rod II (9-06); the left and right brackets (9-05), the smooth roller (9-02) and the widening roller (9-03) are combined to rotate around the fixed widening roller (9-01).

3. The high-efficiency and precision wool shearing machine that is easy to adjust as claimed in claim 1, characterized in that: The adjustment operations of the three knife components are all arranged on the front side of the frame (1), the circular knife component (6) comprises a circular knife (6-01), a circular knife support (6-02), a circular knife bearing assembly (6-03), a cylinder II (6-04) and a pull rod I (6-05); the flat knife component (8) comprises a flat knife (8-01), a flat knife bracket (8-02), a flat knife bracket pull rod (8-03) and a pull rod II (8-04); the circular knife (6-01) and the circular knife bearing assembly (6-03) are mounted on the flat knife bracket (8-02) and are adjusted in front of the equipment through the pull rod I (6-05); the flat knife component (8) is mounted on the slider II (8-05) and the flat knife support (8-06) through a bearing and is adjusted in front of the equipment through the pull rod II (8-04).

4. A high-efficiency and precision wool shearing machine that is easy to adjust as claimed in claim 3, characterized in that: The circular knife bearing assembly (6-03) comprises a connecting rod III (12), two double-row needle bearings (14), a bearing sealing ring (15), a dumbbell-type circular knife bearing seat (16), a lower slider (17) and an upper slider (18); the circular knife bearing assembly (6-03) is moved up and down by the connecting rod III (12) and the bolt (13), thereby realizing the adjustment of the distance between the circular knife (6-01) and the flat knife (8-01).

5. The high-efficiency and precision wool shearing machine that is easy to adjust as claimed in claim 1, characterized in that: It also includes a dust suction component (11) which adopts a left and right horn suction type. The dust suction component (11) includes a dust suction component body (11-01), air outlets on both sides (11-02) and a middle guide plate (11-03).

6. The high-efficiency and precision wool shearing machine that is easy to adjust as claimed in claim 1, characterized in that: A point-contact type cloth seam detection device (10) is also provided.

7. The high-efficiency and precision wool shearing machine that is easy to adjust as claimed in claim 1, characterized in that: The number of blades of the circular knife (6-01) is n≥36.

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