Multi-station shredded konjac knotting machine

Abstract

The utility model discloses a multi-station shredded konjac knotting machine which comprises a machine table, and a shredded konjac delivery assembly, a knotting mechanical arm assembly and a konjac knot sending-out assembly are arranged on the machine table. The shredded konjac delivery assembly comprises mounting plates which are mounted on the machine table and distributed front and back, a first conveying frame is mounted between the mounting plates, a feeding belt driven by a first motor is mounted in the first conveying frame, and a shunting mechanism used for shunting shredded konjac on the feeding belt is mounted on the first conveying frame; the knotting manipulator assembly comprises a mounting seat fixed on the machine table, a plurality of mechanical arms arranged front and back are mounted on the mounting seat, the double-station knotting and cutting work of the konjak shreds is realized through the konjak shred delivery assembly and the konjak knot sending-out assembly, the efficiency is greatly improved, and the production cost is reduced; according to the utility model, the feeding belt is provided with the shunting mechanism, so that the konjac shreds in the feeding process are shunted, winding is avoided, and the shutdown frequency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of konjac machines, in particular to a multi-station konjac silk knotting machine. Background Art

[0002] After konjac powder is stirred with water to form a paste, and after heating and adding an alkali solution (such as calcium hydroxide), konjac gum will form a stable gel. Then, the gel is extruded into filaments through a mold and then knotted to form the well-known konjac knots.

[0003] Currently, the above knotting process is generally carried out manually. The method of manual knotting has low efficiency and wastes human resources. To solve the above problems and realize the automatic knotting of konjac silk, there has been a publicly produced and put into operation an integrated high-efficiency konjac silk knotting machine as in Application No. 202411620416.3. However, this knotting machine has only a single-station setting, and there is still room for improvement in efficiency. Therefore, it needs to be improved. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a multi-station konjac silk knotting machine to solve the problems mentioned in the above background art.

[0005] The utility model provides the following technical solution: A multi-station konjac silk knotting machine includes a machine table, on which a konjac silk delivery component, a knotting manipulator component, and a konjac knot sending-out component are arranged;

[0006] The konjac silk delivery component includes mounting plates installed on the machine table and distributed front and back. A first conveyor frame is installed between the mounting plates. A feeding belt driven by a first motor is installed inside the first conveyor frame, and a diversion mechanism for diverting the konjac silk on the feeding belt is installed on the first conveyor frame;

[0007] The knotting manipulator component includes a mounting seat fixed on the machine table. A plurality of robotic arms are arranged in the front and back on the mounting seat, and also includes a driving mechanism for driving the robotic arms to perform the konjac silk knotting work;

[0008] The konjac knot sending-out mechanism includes a second conveyor frame installed on the machine table and horizontally passing through the mounting seat. An output belt driven by a second motor is installed inside the second conveyor frame.

[0009] Preferably, the diversion mechanism includes two pressure rollers installed on the first conveyor frame and distributed left and right. A rotating shaft is also rotatably connected to the first conveyor frame between the two pressure rollers. A plurality of concave wheels are installed on the rotating shaft and distributed front and back. The number and front and back positions of the concave wheels respectively correspond to the number and front and back positions of the robotic arms, and the concave wheels are attached to the upper edge of the feeding belt.

[0010] Preferably, a plurality of annular grooves corresponding to the number and front - rear positions of the cam are arranged before and after in the curved surface of the pressure roller, a sleeve is installed in the annular groove, and a plurality of convex plates extending in the front - rear direction are arranged on the outer curved surface of the sleeve.

[0011] Preferably, the robotic arm includes a support arm. The end of the support arm is connected with two connecting arms capable of moving towards each other through a first clamping jaw cylinder. A winding rod is installed on the connecting arm, and a bent section is formed by bending the end of the winding rod.

[0012] Preferably, the driving mechanism includes a translation seat installed on the mounting seat. A rodless cylinder for driving the translation seat to move horizontally is installed on the mounting seat. A lifting platform is also installed on the translation seat. A vertical plate is fixedly arranged on the lifting platform. The support arm is rotatably connected inside the vertical plate, and a cover is arranged on the vertical plate. A third motor is arranged on the cover, and the drive shaft in the third motor drives each support arm to rotate through a gear set;

[0013] A control board is also arranged on the translation seat. A controlled block is slidably connected up and down inside the control board. The controlled block is fixed to the lifting platform. A threaded shaft threadedly connected to the controlled block is rotatably connected inside the control board, and a fourth motor for driving the threaded shaft to rotate is installed on the control board.

[0014] Preferably, it further includes a multi - station konjac silk auxiliary knotting assembly. The multi - station konjac silk auxiliary knotting assembly includes several conical frames installed between the front and rear mounting plates. A knife seat is also arranged between the mounting plates. A cutting knife is installed on the knife seat, and a first cylinder for driving the cutting knife to move horizontally so that the cutting knife adheres to the lower edge of the conical frame is installed on the knife seat;

[0015] The number and front - rear positions of the conical frames and the cutting knife respectively match the number and front - rear positions of the mounting seats.

[0016] Preferably, the multi - station konjac silk auxiliary knotting assembly further includes a push plate installed between the mounting plates. A plurality of triangular grooves distributed front and rear are arranged inside the push plate, and the number and front - rear positions of the triangular grooves correspond to the number and front - rear positions of the robotic arms. A second cylinder for controlling the left - right movement of the push plate is also arranged between the mounting plates;

[0017] It further includes an auxiliary rod, and a third cylinder for controlling the front - rear position of the auxiliary rod is installed on the mounting plate;

[0018] It further includes a tensioning rod, and a fourth cylinder for controlling the up - down position of the tensioning rod is installed on the mounting plate.

[0019] Preferably, it further includes a gathering component corresponding to the number of the robotic arms and the front-back positions. The gathering component includes two second jaw cylinders distributed vertically. The second jaw cylinders are connected with two clamping plates symmetrically distributed front and back. And within one gathering component, the clamping plates connected to the second jaw cylinder on the upper side extend into the conical frame, and the clamping plates within the second jaw cylinder on the lower side are located below the push plate.

[0020] Preferably, grooves are provided in the clamping plates within the second jaw cylinder on the lower side.

[0021] The utility model provides a multi-station konjac noodle knotting machine, which has the following beneficial effects:

[0022] The utility model realizes the double-station konjac noodle knotting and cutting work through a konjac noodle delivery component and a konjac knot sending-out component, greatly improving the efficiency and reducing the production cost.

[0023] The utility model is provided with a shunting mechanism on the feeding belt to shunt the konjac noodles in the feeding, avoid entanglement and reduce the shutdown frequency. Description of the Drawings

[0024] Figure 1 is the external view schematic diagram of the utility model;

[0025] Figure 2 is Figure 1 the external view schematic diagram at the mounting plate in

[0026] Figure 3 is Figure 2 the enlarged schematic diagram at the push plate in (removing the baffle and the front mounting plate);

[0027] Figure 4 is Figure 2 the front view of (removing the baffle and the front mounting plate);

[0028] Figure 5 is Figure 1 the external view schematic diagram of the mounting seat in ;

[0029] Figure 6 is Figure 5 the external view schematic diagram after removing the cover in .

[0030] In the figure:

[0031] 11. Machine platform; 12. Installation plate; 21. First conveyor frame; 22. Feeding belt; 23. Pressing roller; 24. Cam; 31. Mounting seat; 32. Robot arm; 33. Lifting platform; 34. Vertical plate; 35. Third motor; 36. Control board; 37. Controlled block; 38. Fourth motor; 39. Translation seat; 40. Rodless cylinder; 41. Conical frame; 42. Tool holder; 43. Cutting tool; 45. First cylinder; 51. Pushing plate; 52. Triangular groove; 53. Second cylinder; 54. Auxiliary rod; 55. Third cylinder; 56. Tension rod; 57. Fourth cylinder; 62. Clamping plate; 81. Support arm; 82. First clamping jaw cylinder; 83. Connecting arm; 84. Winding rod; 85. Bending section; 91. Second conveyor frame; 92. Discharging belt. Detailed implementation manners

[0032] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model, but should not be construed as a limitation to the present utility model.

[0033] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0034] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0035] In the present utility model, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection or communication with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0036] Reference Figures 1-6 Figures 1-6 , according to an embodiment of a multi-station konjac noodle knotting machine of the present utility model, it includes a machine table 11, and a konjac noodle delivery assembly, a knotting manipulator assembly and a konjac knot sending-out assembly are arranged on the machine table 11.

[0037] Among them, the konjac noodle delivery assembly is used for feeding (konjac noodles) inward. After that, the knotting manipulator assembly cuts and knots the konjac noodles. After that, the konjac knots can be sent out through the konjac knot sending-out assembly.

[0038] The konjac noodle delivery assembly includes mounting plates 12 distributed front and back on the machine table 11. A first conveyor rack 21 is installed between the mounting plates 12. A feed belt 22 driven by a first motor (specifically, the feed belt 22 is driven by driving a roller) is installed in the first conveyor rack 21. And a shunting mechanism for shunting the konjac noodles on the feed belt 22 is installed on the first conveyor rack 21. Specifically, a plurality of robotic arms 32 arranged front and back are provided in the knotting manipulator assembly. The shunting mechanism is used to divide the multiple strands of konjac noodles delivered rightward on the feed belt 22 into multiple groups (several strands in a group) front and back to be distributed to the multiple robotic arms 32 for knotting.

[0039] The shunting mechanism includes two pressure rollers 23 distributed left and right on the first conveyor rack 21. A rotating shaft is also rotatably connected to the first conveyor rack 21 between the two pressure rollers 23. A plurality of concave wheels 24 arranged front and back are installed on the rotating shaft. The number of the concave wheels 24 corresponds to the number of required groups of konjac noodles. In addition, a plurality of annular grooves corresponding to the number and front and back positions of the concave wheels 24 are arranged front and back in the curved surface of the pressure roller 23. And sleeves are installed in the annular grooves. A plurality of convex plates extending in the front and back direction are arranged on the outer curved surface of the sleeve.

[0040] The function of the convex plate is to enable the konjac noodles to be pulled rightward, and the grouped konjac noodles will be limited by each of the concave wheels 24 to prevent scattering.

[0041] As shown in Figures 4-5 Figures 4-5 , the knotting manipulator assembly includes a mounting base 31 fixed on the machine table 11. A plurality of robotic arms 32 arranged front and back are installed on the mounting base 31. It also includes a driving mechanism for driving the robotic arms 32 to perform the konjac noodle knotting work.

[0042] The specific structure of the robotic arm is that the robotic arm includes a support arm 81. The end of the support arm 81 is connected with two connecting arms 83 capable of moving towards each other through a first clamping jaw cylinder 82. A winding rod 84 is installed on the connecting arm 83. And a bent section 85 is formed by bending the end of the winding rod 84. The connecting arm 83 extends horizontally, and the winding rod 84 is arranged perpendicular to the connecting arm 83.

[0043] In addition, the driving mechanism includes a translation base 39 installed on the mounting base 31. A rodless cylinder 40 for driving the translation base 39 to move horizontally is installed on the mounting base 31. A lifting platform 33 is also installed on the translation base 39. A vertical plate 34 is fixedly provided on the lifting platform 33. The support arm 81 is rotatably connected within the vertical plate 34. A cover is provided on the vertical plate 34. A third motor 35 is provided on the cover. The drive shaft in the third motor 35 can drive each of the support arms 81 to rotate through a gear set.

[0044] Moreover, a control board 36 is further provided on the translation base 39. A controlled block 37 is slidably connected up and down within the control board 36. The controlled block 37 is fixed to the lifting platform 33. A threaded shaft threadedly connected to the controlled block 37 is rotatably connected within the control board 36. A fourth motor 38 for driving the threaded shaft to rotate is installed on the control board 36.

[0045] The fourth motor 38 can drive the controlled block 37 and the lifting platform 33 to move up and down, thereby controlling the up and down position of the robotic arm 32;

[0046] The rodless cylinder 40 can control the left and right movement of the translation base 39, thereby controlling the left and right positions of the control board 36, the lifting platform 33, and the robotic arm 32;

[0047] And the third motor 35 can drive all the robotic arms 32 to rotate through the gear set.

[0048] In addition, it further includes a multi-station konjac silk auxiliary knotting assembly, as Figures 2-3 shown. The multi-station konjac silk auxiliary knotting assembly includes several conical frames 41 installed between the front and rear mounting plates 12. A knife holder 42 is further provided between the mounting plates 12. A cutting knife 43 is installed on the knife holder 42. A first cylinder 45 for driving the cutting knife 43 to move horizontally so that the cutting knife 43 is attached to the lower edge of the conical frame 41 is installed on the knife holder 42. The number and front and rear positions of the cutting knife 43 and the conical frame 41 respectively match the number and front and rear positions of the mounting base 31. And when the cutting knife 43 is pushed out to the right, it can cut off the konjac silk. A baffle is further provided on the right side of the mounting plate 12 to prevent the juice from splashing during the process of the konjac silk entering the conical frame 41.

[0049] Moreover, the multi-station konjac noodle auxiliary knotting assembly further includes a push plate 51 installed between the mounting plates 12. A plurality of triangular grooves 52 are arranged front and back in the push plate 51, and the number and front-back positions of the triangular grooves 52 correspond to the number and front-back positions of the robotic arms 32. A second air cylinder 53 for controlling the left-right movement of the push plate 51 is further arranged between the mounting plates 12. Specifically, the second air cylinder 53 is fixed to the lower side of the tool holder 42;

[0050] It further includes an auxiliary rod 54, and a third air cylinder 55 for controlling the front-back position of the auxiliary rod 54 is installed on the mounting plate 12;

[0051] It further includes a tension rod 56, and a fourth air cylinder 57 for controlling the up-down position of the tension rod 56 is installed on the mounting plate 12.

[0052] In this embodiment, the tension rod 56 extends front and back to the front and back sides of all the robotic arms 32.

[0053] The konjac knot sending mechanism includes a second conveying frame 91 installed on the machine table 11 and horizontally penetrating the mounting seat 31. An output belt 92 driven by a second motor is installed in the second conveying frame 91.

[0054] Specific working process:

[0055] First, in this embodiment, it is set as a two-station, and two sets of the cam 24, the robotic arms 32, the conical frame 41, the cutting knife 43, the triangular grooves 52, the auxiliary rod 54, and the third air cylinder 55 are respectively arranged front and back.

[0056] The following knotting process is generally the same as that of an integrated high-efficiency konjac noodle knotting machine disclosed in Application No. 202411620416.3 (specifically, paragraph

[0052] of the specification). The difference is that this application performs knotting work at two stations simultaneously. A brief description is as follows:

[0057] First, the konjac noodles are first pulled by the feeding belt 22 and the shunting mechanism, divided into two groups, and respectively enter the two conical frames 41. Then the konjac noodles continue to extend downward, and finally the konjac noodles will be located in the triangular grooves 52 and extend to the lower side of the push plate 51;

[0058] Afterwards, the feed belt 22 stops rotating to keep the konjac shreds stationary, and at this time, the reel 84 is at the rear side (left side) of the konjac shreds, and then the driving mechanism drives the reel 84 to move forward (to the right), and a section of konjac shreds located at the lower side of the knife seat 42 will be brought to the front side of the auxiliary rod 54 by the reel 84, and then the driving mechanism causes the reel 84 to rotate, and at the same time, the two reel 84 in one of the mechanical arms 32 move away from each other, and at this time, the reel 84 stops in a vertical state, and the The curved section 85 on the reel 84 is at the lower side and opened, and the konjac shreds are wound on the reel 84 at this time. Then the No. 3 air cylinder 55 drives the auxiliary rod 54 to retract, and the No. 2 air cylinder 53 drives the push plate 51 to move outward. The konjac shreds lose the limiting effect of the auxiliary rod 54 and are pushed out by the push plate 51 to between the reel rods 84 in one of the mechanical arms 32. Then the two reel rods 84 in one of the mechanical arms 32 approach each other, so that the konjac shreds on the two reel rods 84 are moved closer to each other. The curved sections 85 are close to each other and collide with each other, so that the konjac noodles entering between the two rolling rods 84 in one of the mechanical arms 32 are limited above the curved section 85. In addition, since the two rolling rods 84 in one of the mechanical arms 32 are close to each other, the konjac noodles originally tightly wound on the rolling rod 84 are loosened from the rolling rod 84. Then the push plate 51 is reset inward, the driving mechanism drives the rolling rod 84 to move upward, and the No. 4 cylinder 57 drives the tension rod 56 to move downward, and the rolling rod 84 The konjac threads above the curved section 85 are driven upward and passed through the konjac thread roll originally wound on the reel 84, and the No. 4 air cylinder 57 drives the konjac threads on the other side of the konjac thread roll to be tightened downward, thereby completing the knotting to form a konjac knot, and then the No. 1 air cylinder 45 drives the cutter 43 to move outward to cut the konjac threads at the lower edge of the conical frame 41, and then the two reels 84 in the same robotic arm 32 move away from each other, and the konjac knot falls onto the discharge belt 92 and is conveyed out.

[0059] In the second embodiment of the multi-station konjac thread knotting machine, in order to improve the tension of the konjac knot, a gathering component corresponding to the number of the mechanical arms 32 and the front and rear positions is also provided, and the gathering component includes two No. 2 clamping cylinders distributed up and down, and the No. 2 clamping cylinder is connected to two clamping plates 62 symmetrically distributed front and back, and in one of the gathering components, the clamping plate 62 connected to the No. 2 clamping cylinder on the upper side extends into the conical frame 41, and the clamping plate 62 in the No. 2 clamping cylinder on the lower side is on the lower side of the push plate 51, and it should be additionally explained that a groove is provided in the clamping plate 62 in the No. 2 clamping cylinder on the lower side to avoid interference with the konjac thread being pulled up and down.

[0060] The above are only specific embodiments of the present utility model, but the technical features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.

Claims

1. A multi-station konjac silk knotting machine, comprising a machine platform (11), characterized in that: The machine (11) is provided with a konjac silk delivery component, a knotting robot component and a konjac knot delivery component; The konjac shreds delivery assembly comprises mounting plates (12) mounted on the machine (11) and arranged in a front-to-rear manner, a No. 1 conveying frame (21) being mounted between the mounting plates (12), a feed belt (22) driven by a No. 1 motor being mounted in the No. 1 conveying frame (21), and a diversion mechanism for diverting the konjac shreds on the feed belt (22) being mounted on the No. 1 conveying frame (21); The knotting robot assembly comprises a mounting seat (31) fixed on the machine platform (11), a plurality of robot arms (32) arranged in a front-to-rear manner are mounted on the mounting seat (31), and also comprises a driving mechanism for driving the robot arms (32) to perform konjac noodle knotting; The konjac knot delivery mechanism comprises a No. 2 conveying frame (91) mounted on the machine platform (11) and extending transversely through the mounting seat (31), wherein a discharge belt (92) driven by a No. 2 motor is installed in the No. 2 conveying frame (91).

2. A multi-station konjac silk knotting machine according to claim 1, characterized in that: The diversion mechanism comprises two pressure rollers (23) installed on the No. 1 conveyor frame (21) and distributed on the left and right sides. The No. 1 conveyor frame (21) between the two pressure rollers (23) is also rotatably connected with a rotating shaft, and a plurality of concave wheels (24) distributed front and back are installed on the rotating shaft. The number and front and rear positions of the concave wheels (24) respectively correspond to the number and front and rear positions of the mechanical arms (32), and the concave wheels (24) are attached to the upper edge of the feed belt (22).

3. A multi-station konjac silk knotting machine according to claim 2, characterized in that: A plurality of annular grooves corresponding to the number and front-to-back positions of the concave wheels (24) are arranged in the front-to-back direction in the curved surface of the pressure roller (23), and a sleeve is installed in the annular groove, and a plurality of convex plates extending in the front-to-back direction are arranged on the outer curved surface of the sleeve.

4. A multi-station konjac silk knotting machine according to claim 1, characterized in that: The mechanical arm (32) comprises a support arm (81), the end of the support arm (81) being connected to two connecting arms (83) capable of moving towards each other via a No. 1 clamping jaw cylinder (82), a rolling rod (84) being mounted on the connecting arm (83), and the end of the rolling rod (84) being bent to form a curved section (85).

5. A multi-station konjac silk knotting machine according to claim 4, characterized in that: The driving mechanism comprises a translation seat (39) mounted on the mounting seat (31), the mounting seat (31) being provided with a rodless cylinder (40) for driving the translation seat (39) to move horizontally, the translation seat (39) being further provided with a lifting platform (33), the lifting platform (33) being provided with a vertical plate (34), the support arm (81) being rotatably connected to the vertical plate (34), the vertical plate (34) being provided with a cover, and a No. 3 motor (35) being provided on the cover, the driving shaft in the No. 3 motor (35) being able to drive each of the support arms (81) to rotate through a gear set; The translation seat (39) is also provided with a control board (36), a controlled block (37) is slidably connected to the control board (36) up and down, the controlled block (37) is fixed to the lifting platform (33), and a threaded shaft threadedly connected to the controlled block (37) is rotatably connected to the control board (36), and a No. 4 motor (38) for driving the threaded shaft to rotate is installed on the control board (36).

6. A multi-station konjac silk knotting machine according to claim 5, characterized in that: It also includes a multi-station konjac silk auxiliary knotting assembly, which includes a plurality of conical frames (41) installed between the front and rear mounting plates (12), a knife seat (42) is also provided between the mounting plates (12), a cutting knife (43) is installed on the knife seat (42), and a No. 1 cylinder (45) is installed on the knife seat (42) for driving the cutting knife (43) to move horizontally so that the cutting knife (43) is attached to the lower edge of the conical frame (41); The number and front-to-back positions of the conical frames (41) and the cutters (43) are respectively adapted to the number and front-to-back positions of the mounting seats (31).

7. A multi-station konjac silk knotting machine according to claim 6, characterized in that: The multi-station konjac silk auxiliary knotting assembly also includes a push plate (51) installed between the mounting plates (12), wherein the push plate (51) is provided with a plurality of triangular grooves (52) distributed front to back, and the number and front to back positions of the triangular grooves (52) correspond to the number and front to back positions of the mechanical arms (32), and a second cylinder (53) for controlling the left and right movement of the push plate (51) is also provided between the mounting plates (12); It also includes an auxiliary rod (54), and a third cylinder (55) for controlling the front and rear position of the auxiliary rod (54) is mounted on the mounting plate (12); It also includes a tension rod (56), and a No. 4 air cylinder (57) for controlling the up and down position of the tension rod (56) is mounted on the mounting plate (12).

8. A multi-station konjac silk knotting machine according to claim 7, characterized in that: It also includes a gathering component corresponding to the number of the robotic arms (32) and the front and rear positions, the gathering component includes two No. 2 gripper cylinders distributed up and down, the No. 2 gripper cylinder is connected to two clamping plates (62) distributed symmetrically front and back, and in one of the gathering components, the clamping plate (62) connected to the No. 2 gripper cylinder located on the upper side extends into the conical frame (41), and the clamping plate (62) in the No. 2 gripper cylinder located on the lower side is located on the lower side of the push plate (51).

9. A multi-station konjac silk knotting machine according to claim 8, characterized in that: A groove is provided in the clamping plate (62) in the second clamping jaw cylinder at the lower side.

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