CN115305630A

CN115305630A - Upper and lower mountain angle alignment adjusting device and method for circular knitting machine

Info

Publication number: CN115305630A
Application number: CN202210983294.9A
Authority: CN
Inventors: 廖进成; 黄凯乾
Original assignee: Xiamen Xingquanlong Machinery Co ltd
Current assignee: Xiamen Xingquanlong Machinery Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-08

Abstract

The utility model provides an upper and lower mountain angle aligning adjustment device to big circular knitting machine, including interior tripod, wear to establish the barrel of interior tripod, barrel internally mounted has the barrel dabber, the barrel lower extreme is equipped with well benevolence seat, be equipped with rigid coupling in interior tripod connecting block between interior tripod portion bottom surface and the well benevolence seat top surface, interior tripod connecting block has two working faces, well benevolence seat top surface is provided with guiding mechanism respectively in the both sides that are located the working face, guiding mechanism includes control motor, push away the structure, the guide piece, the outside electricity of control motor is connected with control system, it has transmission portion and butt portion to push away the structure, butt portion configuration is to supporting tight working face, transmission portion and control motor output shaft transmission are connected, the guide piece is used for realizing the support direction of push away structure. When the output shaft of the control motor rotates, the abutting part of the pushing structure can axially slide along the output shaft of the control motor to abut against a working surface, so that the rotation angle offset of the gun barrel relative to the inner tripod is simply and accurately controlled, and the relative positions of the upper cam mechanism and the lower cam mechanism are changed.

Description

Upper and lower mountain angle alignment adjusting device and method for circular knitting machine

Technical Field

The invention relates to the technical field of textile equipment, in particular to an upper and lower mountain angle alignment adjusting device and method for a circular knitting machine.

Background

Circular knitting machines, also known as circular knitting machines, are one of the industrial textile equipment widely used in factories. The circular knitting machine is a machine for producing semi-finished cloth, and the produced semi-finished cloth is dyed to be used as clothes cloth. The mechanism of the circular knitting machine comprises an inner tripod as a supporting main body, a gun barrel mandrel, a middle core seat, an upper cam mechanism and a lower cam mechanism, wherein the gun barrel is arranged inside the inner tripod, the gun barrel mandrel is arranged in the gun barrel through a bearing, the middle core seat is fixedly arranged at the lower end of the gun barrel or integrally formed at the lower end of the gun barrel, the upper cam mechanism is arranged on the middle core seat in a surrounding manner, and the lower cam mechanism is arranged on the outer peripheral side of the upper cam mechanism in a surrounding manner; in the production process of the circular knitting machine, the grains of the woven cloth can be changed by adjusting the relative positions of the upper cam mechanism and the lower cam mechanism.

In the prior art, the relative position of the upper cam mechanism 5 and the lower cam mechanism 6 is generally an alignment adjustment device, for example, fig. 1 shows a structure diagram of the existing adjustment device, for example, fig. 2 shows a positional relationship between the upper cam mechanism 5 and the lower cam mechanism, wherein the alignment adjustment device includes an inner tripod, a gun barrel, an inner tripod connecting block fixedly connected to the inner tripod, and a gun barrel connecting block fixedly connected to the gun barrel, the inner tripod connecting block is integrally U-shaped and has an opening, the gun barrel connecting block protrudes a fixed column, the top of the fixed column extends to the opening of the inner tripod connecting block, the inner tripod connecting block is in threaded connection with screws on two side walls of the opening, the rod portions of the two screws respectively abut against the side walls of the fixed column, and the position of the fixed column in the opening is changed by adjusting the depth of the two screws screwed into the opening, so as to realize the position change of the upper cam mechanism 5 relative to the lower cam mechanism 6. The existing alignment adjusting device needs manual adjustment, but the manual adjustment is insufficient in precision, so that multiple operations may be needed for adjusting the positions of the upper corner mechanism 5 and the lower corner mechanism 6 once, and an operator needs to climb up and down, so that the operation is complicated.

In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

Disclosure of Invention

The first objective of the present invention is to provide an upper and lower cam alignment adjustment device for a circular knitting machine, which can simply and precisely adjust and control the relative positions of an upper cam mechanism and a lower cam mechanism.

The second purpose of the invention is to provide a method for adjusting the alignment of the upper and lower mountain angles of the circular knitting machine.

The invention discloses an upper and lower mountain angle alignment adjusting device for a circular knitting machine, which comprises a hollow inner tripod and a gun barrel penetrating through the inner tripod, wherein a gun barrel mandrel is arranged in the gun barrel through a bearing, a middle nut base is fixed at the lower end of the gun barrel, an installation space is formed by a gap between the bottom surface of the inner tripod disc part and the top surface of the middle nut base, the inner tripod is fixedly connected with an inner tripod connecting block in the installation space, the inner tripod connecting block is provided with two working surfaces which are basically parallel, the working surfaces are basically vertical to the top surface of the middle nut base, the top surface of the middle nut base is respectively provided with adjusting mechanisms at two sides of the working surface, the adjusting mechanisms comprise a control motor, a pushing structure and a guide piece, the positions of the control motor and the guide piece are fixed relative to the middle nut base, the outer part of the control motor is electrically connected with a control system, the pushing structure is provided with a transmission part and a butting part, the butting part is configured to be tightly butted with the working surface, the transmission output shaft of the control motor is connected with the guide piece, and the guide piece is used for supporting and guiding the pushing structure; when the output shaft of control motor rotated, the butt portion that makes its top push structure at least can carry out the axial for the output shaft of control motor and slide to the realization is to leaning on of tripod connecting block working face.

Adopt above-mentioned structure, through setting up interior ancient cooking vessel connecting block, guiding mechanism's top pushes away the structure and rotates at control motor output shaft simultaneously, the butt portion that pushes away the structure can carry out the axial by the guide and slide for control motor's output shaft, furthermore, the top pushes away the structure butt portion of structure of interior ancient cooking vessel connecting block one side and slides towards the direction of keeping away from the working face, the butt portion that pushes away the structure of opposite side slides towards the direction of being close to the working face with top pushes away the working face, the reaction force that produces by top pushes away the working face makes the rotation of the internal ancient cooking vessel connecting block of barrel relatively, thereby simply, regulate and control the relative position of going up mountain angle mechanism and lower mountain angle mechanism accurately, in order to change the line of weaving cloth.

In order to achieve the second object, the present invention discloses a method for adjusting the alignment of upper and lower corners of a circular knitting machine, the method being applied to the adjusting apparatus, the method comprising:

s1, presetting pre-adjusted angle amounts theta of an upper mountain angle mechanism and a lower mountain angle mechanism, setting a first rotation angle alpha 1 of one output shaft of a control motor corresponding to the pre-adjusted angle amount theta, and rotating a second rotation angle alpha 2 of the other output shaft of the control motor corresponding to the pre-adjusted angle amount theta;

s2, controlling the output shaft of the motor to rotate towards a first direction at one side of the inner tripod connecting block to enable the rod part of the adjusting screw of the same adjusting mechanism to be in a loose or separated state with the working surface, correspondingly, controlling the output shaft of the motor to rotate towards a second direction at the other side of the inner tripod connecting block, wherein the second direction is opposite to the rotating direction of the first direction, enabling the rod part of the adjusting screw of the same adjusting mechanism to push the working surface, the reaction force of the rod part of the adjusting screw for pushing the working surface drives the gun barrel to rotate relative to the tripod through the seat plate until the actual angle amount of the gun barrel rotating relative to the tripod basically corresponds to a pre-adjusted angle amount theta, correspondingly controlling one of the output shafts of the motors to rotate towards the first direction by a first rotation angle alpha 1 corresponding to the pre-adjusted angle amount theta, and controlling the other one of the output shafts of the motors to rotate towards a second rotation angle alpha 2 corresponding to the pre-adjusted angle amount theta, so as to realize that the rod parts of the two adjusting screws are respectively abutted against the two working surfaces;

and S3, controlling the motor to be self-locked, and fixing the relative position of the gun barrel and the inner tripod.

By adopting the method, the preset angle quantity theta is quantized into the first rotation angle alpha 1 and the second rotation angle alpha 2 of the control motor, the control motor positioned on one side of the internal tripod connecting block rotates to the first rotation angle alpha 1 in the first direction, the control motor positioned on the other side rotates to the second rotation angle alpha 2 in the second direction to push the working surface, the reaction force generated by the pushing working surface enables the middle nut seat to relatively rotate to the preset angle quantity theta in the internal tripod, and the upward-mountain angle mechanism and the downward-mountain angle mechanism correspondingly rotate to the preset angle quantity theta, so that the relative positions of the upward-mountain angle mechanism and the downward-mountain angle mechanism are simply and accurately regulated.

Drawings

The detailed description, given as a non-limiting example, better explains what the invention includes and can be implemented, and moreover, refers to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of an overall structure of an adjusting device in the prior art;

fig. 2 is an overall cross-sectional view of the circular knitting machine according to the present embodiment, which shows the positional relationship between the upper cam mechanism, the lower cam mechanism, and the adjusting mechanism;

fig. 3 is a schematic overall structure diagram of the adjusting device provided in this embodiment;

fig. 4 is a schematic view showing the cooperation between the internal tripod connecting block and the adjusting mechanisms at two sides thereof;

fig. 5 is an exploded view of the adjustment mechanism provided in the present embodiment;

fig. 6 is a schematic structural view of a coupling member provided in the present embodiment;

fig. 7 is a schematic structural view of the internal tripod connecting block provided in this embodiment;

FIG. 8 is a schematic view of the seat plate and the adjusting block of the present embodiment;

FIG. 9 is a schematic cross-sectional view of the engagement between the adjusting screw and the seat plate and the adjusting block;

FIG. 10 is an enlarged view of area A of FIG. 9;

fig. 11 is a schematic diagram illustrating the upward cam mechanism provided in this embodiment rotating clockwise by the preset angle θ relative to the downward cam mechanism;

fig. 12 is a schematic diagram illustrating the upward cam mechanism of the present embodiment rotating counterclockwise by a preset angle θ relative to the downward cam mechanism;

fig. 13 is a schematic view of a first rotation angle and a second rotation angle of two adjusting mechanisms provided in the present embodiment, in which the left adjusting mechanism controls the adjusting screw of the same mechanism to rotate back and forth away from the working surface;

14 a-14 d are schematic diagrams illustrating the state change of the adjustment mechanism of the first control strategy provided in this embodiment;

15a-15c are schematic diagrams illustrating the state change of the adjustment mechanism of the second control strategy provided in this embodiment;

16a-16c are schematic diagrams illustrating the state change of the adjustment mechanism of the third control strategy provided in the present embodiment;

fig. 17a to 17d are schematic diagrams illustrating a state change of the adjustment mechanism of the third control strategy according to the embodiment.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments.

An upper and lower cam alignment adjusting device for a circular knitting machine is used for adjusting the relative position of an upper cam mechanism 5 and a lower cam mechanism 6, and as shown in figures 2-3, the device comprises a hollow inner tripod 1, the inner tripod 1 is used as a supporting main body, and comprises an upper disk part and a lower rod part, a gun barrel 2 is arranged in the inner tripod 1 in a penetrating way, the gun barrel 2 is arranged in the inner tripod 1 by the weight of the gun barrel 2 because the size of the gun barrel 2 is larger, so that the gun barrel 2 and the inner tripod 1 have larger rotation resistance and are not easy to rotate relatively, a gun barrel core shaft 3 is arranged in the gun barrel 2 through a bearing, a middle core seat 21 is fixed at the lower end of the gun barrel 2, the middle core seat 21 can be fixed in an integrated or split manner, a plurality of upper cam assemblies are arranged on the outer periphery of the middle core seat 21 around the gun barrel core shaft 3, and the plurality of upper cam assemblies surround to form the upper cam mechanism 5, the lower cam mechanism 6 is formed by encircling a looped lower cam assembly, and is disposed on the outer periphery side of the upper cam mechanism 5, that is, the upper cam mechanism 5 is located on the inner ring, the lower cam mechanism is located on the outer ring, a mounting space is formed by a gap between the bottom surface of the disc portion of the inner tripod 1 and the top surface of the middle nut seat 21, the inner tripod 1 is fixedly connected with an inner tripod connecting block 11 in the mounting space, the inner tripod connecting block 11 can be fixed on the bottom surface of the disc portion or the rod portion of the inner tripod 1, in this embodiment, the inner tripod connecting block 11 is disposed on the outer side wall of the rod portion of the inner tripod 1, the inner tripod connecting block 11 is disposed on the outer side wall of the rod portion compared with the bottom surface of the disc portion, which is beneficial for convenient installation and debugging, the inner tripod connecting block 11 has two substantially parallel working faces 12, in this embodiment, the inner tripod connecting block 11 is integrally convex, and the two working faces 12 are disposed on the two side faces of the convex small opening portion of the inner tripod connecting block 11, for reasons such as machining accuracy, there may be a slight angle of intersection between the two working surfaces, specifically within 10 degrees, and the working surface 12 is substantially perpendicular to the top surface of the center core seat 21, i.e. the angle between the working surface 12 and the top surface of the center core seat 21 is between 85 and 95 degrees, and the top surface of the center core seat 21 is provided with

adjustment mechanisms

4a,4b on both sides of the working surface 12.

As shown in fig. 3-5, the

adjusting mechanism

4a,4b at least includes a

control motor

42a,42b, a pushing structure, and a guiding member, the control motor refers to a motor such as a servo motor or a stepping motor that realizes the transformation and transmission of a control signal as a main function, and the non-eye point is a power motor of a force energy index (such as efficiency and power factor), the

control motor

42a,42b and the guiding member are fixed in position relative to the middle core base 21, that is, the

control motor

42a,42b and the guiding member are directly or indirectly fixed to the middle core base 21, the

control motor

42a,42b is electrically connected with a control system outside, the pushing structure has a transmission part and an abutting part, the abutting part is configured to abut against the working surface 12, the transmission part is in transmission connection with an output shaft of the

control motor

42a,42b, and the guiding member is used for realizing the supporting and guiding of the pushing structure; specifically, the control system at least comprises an input device and a processor, wherein the program in the processor is set with angle adjustment amounts of the hill-climbing mechanism 5 and the hill-descending mechanism 6, the preset angle amount θ can be fixed in advance or can be set in real time through the input device, the input device is used for receiving external input and transmitting the external input to the processor, the input device is a touch screen, the touch screen can input the angle adjustment amounts of the hill-climbing mechanism 5 and the hill-descending mechanism 6, such as the preset angle amount θ in the clockwise direction or the preset angle amount θ in the counterclockwise direction, the processor quantizes the preset angle amount θ in the clockwise direction or the preset angle amount θ in the counterclockwise direction into control signals, such as pulses, of the

control motors

42a and 42b according to electric signals transmitted by the input device, and transmits the control signals to the

control motors

42a and 42b, so that the

control motors

42a and 42b are in rotating fit according to the control signals. When the output shafts of the

control motors

42a and 42b rotate, at least the abutting parts of the pushing structures can axially slide relative to the output shafts of the

control motors

42a and 42b to realize abutting of the working surface 12 of the internal tripod connecting block 11, compared with the prior art, the invention has the advantages that the inner tripod connecting block 11, the

adjusting mechanisms

4a and 4b are arranged, and when the transmission ends of the pushing structures of the adjusting

mechanisms

4a and 4b are in transmission connection with the output shafts of the

control motors

42a and 42b, the abutting parts of the pushing structures can axially slide relative to the output shafts of the

control motors

42a and 42b through the guide piece, further, the abutting parts of the pushing structures on one side of the internal tripod connecting block 11 slide in the direction far away from the working surface 12, the abutting parts of the pushing structures on the other side slide in the direction close to the working surface 12 to push the working surface 12, and the gun tube 2 rotates relative to the internal tripod connecting block 11 through the reaction force generated by the pushing working surface 12, so that the relative position of the upper mountain angle mechanism 5 and the lower angle mechanism 6 can be simply and accurately regulated and the texture of cloth can be changed.

As shown in fig. 3-5, in the present embodiment, the pushing structure includes

shaft coupling members

43a,43b and adjusting

screws

44a,44b, wherein one end of each of the

shaft coupling members

43a,43b serves as a transmission portion and is fixedly connected to the output shafts of the

control motors

42a,42b, as in the manner of matching with key-press screws in the prior art, the end surfaces of the rod portions of the adjusting

screws

44a,44b are abutting portions such as screws with a diameter size of M16, the other ends of the

shaft coupling members

43a,43b slidably receive heads of the adjusting

screws

44a,44b and drive the heads of the adjusting

screws

44a,44b to rotate circumferentially, in the present embodiment, the

shaft coupling members

43a,43b are cylindrical, which is not limited to that of course, and have one end provided with a

key slot

431a,431b configured to match with the output shafts of the

control motors

42a,42b, and the other end provided with a

sliding slot

432a,432b, and the other end of the

sliding slot

432a,432b is provided with a, 432a,432b, which is provided with a, 432a,432b and 432a and 432b which are provided with a and 432a and 43b in a through a and 432b in the following detailed structures; the heads of the adjusting

screws

44a and 44b are embedded in the

sliding grooves

432a and 432b in a circumferentially limited manner, and there are various circumferential limiting manners as long as the heads of the adjusting

screws

44a and 44b do not rotate relative to the

sliding grooves

432a and 432b, for example, the heads of the adjusting

screws

44a and 44b are square or hexagonal, in this embodiment, the heads of the adjusting

screws

44a and 44b are cylindrical, and sliding planes are symmetrically arranged on the basis of the cylindrical heads, and the inner walls of the

sliding grooves

432a and 432b are respectively matched with the two sliding planes to realize circumferential limiting of the heads of the adjusting

screws

44a and 44b. The pushing structure of the embodiment is simple in design, and the adjusting

screws

44a and 44b are standard parts or are machined from the standard parts, so that the adjusting screws are easy to replace after being worn and low in cost.

As shown in fig. 5 and 8, in the present embodiment, the guiding member is a

seat plate

41a,41b fixedly connected to the middle core seat 21, and the

control motor

42a,42b and the pushing structure are sequentially arranged on the

seat plate

41a,41b in a direction approaching the working surface 12. The

seat plates

41a,41b are integrally formed by casting or sheet metal, and include

bottom plate portions

411a,411b fixed to the middle core seat 21,

bent portions

412a,412b arranged between the

bottom plate portions

411a,411b and the

bent portions

412a, 413b, and

side plate portions

413a,413b configured to fix the

control motors

42a,42b and to recede the output shafts of the

control motors

42a,42b, such as a through hole for recessing the output shafts is formed in the

side plate portions

413a,413b and a screw hole for fixing the

control motors

42a,42b is formed around the through hole, the side wall of the

bent portions

412a,412b opposite to the

side plate portions

413a,413b is formed through a

first screw hole

41a,41b configured to be screwed with the adjusting screw 44a, 4144b, and the

bent portions

412a,412b are abutted against the working surface of the

side plate portions

412a,412b and the

bent portions

412a,412b, the

shaft coupling members

43a and 43b are arranged in the semi-enclosed space, the head parts of the adjusting

screws

44a and 44b are conveniently arranged in the

sliding grooves

432a and 432b when the

sliding grooves

432a and 432b are arranged at one ends of the

shaft coupling members

43a and 43b in a radial direction in a penetrating way on the basis of the radial direction of the

shaft coupling members

43a and 43b, and the head parts of the adjusting

screws

44a and 44b can slightly slide along the radial direction of the

shaft coupling members

43a and 43b, so that the problem of the matching tolerance of the output shafts of the

control motors

42a and 42b, the first threaded

holes

414a and 414b, the

shaft coupling members

43a and 43b and the adjusting

screws

44a and 44b is solved, because the output shafts of the

control motors

42a and 42b and the first threaded

holes

41a and 414b are relatively fixed, the adjusting

screws

44a and 44b are in threaded connection with the first threaded

holes

41a and 414b, wherein the output shafts 42a and the output shafts 43b are fixedly connected as one ends of the transmission

shaft coupling members

43a and 43b, 44b the head requires that there be a margin of play. If the structures are fixed, the requirement on the processing precision is very high, and internal stress is generated among the structures during operation, so that the transmission process is not smooth, and the service life of the

adjusting mechanisms

4a and 4b is shortened. Two waist holes are axially and parallelly formed in the

bottom plate portions

411a and 411b below the

coupling members

43a and 43b along the output shafts of the

control motors

42a and 42b, fixing screws penetrate through the waist holes, an opening is formed between the bottom surface of the plate body of the

side plate portions

413a and 413b and the top surfaces of the

bottom plate portions

411a and 411b at the opposite sides of the

bent portions

412a and 412b, the opening is configured as a wrench for screwing the fixing screws, and the openings of the two adjusting

mechanisms

4a and 4b face the mutually approaching direction, compared with the direction in which the two openings face away from each other, or the opening is not formed. Therefore, the advantage of the integrally formed semi-enclosed space is that it is easy to manufacture, and after use, it is possible to leave an operating space for the worker, so that the worker can use a wrench to screw the fixing screws to adjust the positions of the

seat plates

41a and 41b in the middle position of the two adjusting

mechanisms

4a and 4b, and it is also possible to prevent foreign objects from falling into the

sliding slots

432a and 432b and getting caught between the heads of the adjusting

screws

44a and 44b and the bottom walls of the

sliding slots

432a and 432b, so that the heads of the adjusting

screws

44a and 44b cannot retreat, and the adjusting

mechanisms

4a and 4b may fail.

When the adjusting

screws

44a and 44b are meshed with the first threaded

holes

414a and 414b on the

bent parts

412a and 412b, the meshing is in clearance fit, and the clearance is increased along with the increase of the thread diameters of the used adjusting

screws

44a and 44b such as M16, so the adjusting

screws

44a and 44b shake in the first threaded

holes

414a and 414b, in order to eliminate the shaking, an adjusting

block

415a and 415b is additionally arranged in the embodiment, as shown in FIGS. 8-10, the side surface of the

bent part

412a and 412b close to the inner-7 connecting block 11 is provided with the adjusting

block

415a and 415b, the adjusting

block

415a and 415b is configured as a tooth clearance of the adjusting

screw

44a and 415b, the middle part of the adjusting

block

412a and 412b penetrates through an arc-shaped adjusting

screw hole

416a and 416b, and the second threaded

hole

416a and 416b is configured as an arc-

shaped screw hole

414a and 416b penetrating through which is fixedly connected with the adjusting

screw

412a and 412b, and is provided with a and 412a and 416b, 416b, such as a and 412a and 412b penetrating through an arc-shaped limiting hole 416 b. As shown in fig. 10, the first side of the threads of the adjusting

screws

44a and 44b is defined as the side of the threads close to the

control motors

42a and 42b in the

same adjusting mechanism

4a and 4b, the second side of the threads of the adjusting

screws

44a and 44b is defined as the side of the threads close to the working surface 12, the first side of the threads of the adjusting

screws

44a and 44b partially pushes the first side of the threads of the adjusting

screws

44a and 44b partially against the first threaded

holes

414a and 414b and the side opposite to the first side of the threads, and by rotating the adjusting

blocks

415a and 415b, the inner threads of the second threaded

holes

41a and 416b partially push the first side of the threads of the adjusting

screws

44a and 44b partially, thereby driving the adjusting

screws

44a and 44b slightly move toward the working surface 12 to maximize the gap W1, while the second side of the threads of the adjusting

screws

44a and 44b partially abut against the first threaded holes 414a and the second side of the threads, the adjusting

screws

44a and 44b partially abut against the first threaded holes 414a and the second side of the adjusting screws 412b, thereby preventing the adjusting screws from rocking (the adjusting

screws

44a and 412b) when the adjusting

screws

412a and 412b are not fixed as necessary.

In addition, this embodiment further provides an upper and lower cam alignment adjustment method for a circular knitting machine, which is applied to the adjustment device, please refer to fig. 11-13, fig. 11 shows a schematic diagram of the upper cam mechanism 5 rotating clockwise by the preset angle θ relative to the lower cam mechanism 6, for the convenience of seeing the preset angle θ of rotation, fig. 11 only shows a part of the upper cam mechanism 5 and a part of the lower cam mechanism 6, actually, the upper cam assembly of the upper cam mechanism 5 is densely distributed around the center base 21, the lower cam assembly of the lower cam mechanism 6 is densely distributed around the outer peripheral side of the upper cam assembly, fig. 12 shows a schematic diagram of the upper cam mechanism 5 rotating counterclockwise by the preset angle θ relative to the lower cam mechanism 6, and similarly, a simplified schematic diagram is adopted. The method specifically comprises the following steps:

s1: presetting a preset angle theta pre-adjusted by the upper mountain angle mechanism 5 and the lower mountain angle mechanism 6, setting a first rotation angle alpha 1 corresponding to the preset angle theta of one of the output shafts of the

control motors

42a and 42b, and rotating a second rotation angle alpha 2 corresponding to the preset angle theta, wherein the first rotation angle alpha 1 and the second rotation angle alpha 2 are converted by a processor according to the preset angle theta;

s2: one side of the internal tripod connecting block 11 controls the output shaft of the motor to rotate towards a first direction, so that the rod part of the adjusting screw of the same adjusting mechanism is in a loose or separated state with the working surface 12, correspondingly, the other side of the internal tripod connecting block 11 controls the output shaft of the motor to rotate towards a second direction, the second direction is opposite to the rotating direction of the first direction, further the rod part of the adjusting screw of the same adjusting mechanism pushes the working surface 12, the reaction force of the rod part of the adjusting screw pushing the working surface drives the gun barrel 3 to rotate relative to the internal tripod 1 through the seat plate 41b until the actual angle amount of the rotation of the gun barrel 3 relative to the internal tripod 1 basically corresponds to the pre-adjusted angle amount theta, and correspondingly controls one of the output shafts of the

motors

42a and 42b to rotate towards the first direction by a first rotation angle alpha 1 corresponding to the pre-adjusted angle amount theta, the other one rotates by a second rotation angle α 2 in a second direction corresponding to the preset angle amount θ to realize that the rods of the two adjusting

screws

44a and 44b are respectively abutted against the two working surfaces 12, where it should be noted that the above-mentioned first direction and second direction are both defined based on the

control motors

42a and 42b as reference systems, that is, from one end of the non-output shafts of the

control motors

42a and 42b to the direction of the output shafts, so that the first direction is that the output shafts of the

control motors

42a and 42b drive the adjusting screws to rotate back and forth to be far away from the working surfaces 12, the second direction is that the output shafts of the

control motors

42a and 42b drive the adjusting screws to rotate forward to be close to or abut against the working surfaces 12, and the first direction and the second direction are not changed by the

control motors

42a and 42b being disposed on the clockwise side or the counterclockwise side of the internal vessel connecting block;

s3: the

control motors

42a and 42b are self-locked to fix the relative position of the gun barrel 3 and the internal tripod 1, specifically, the self-locking includes that when the

control motors

42a and 42b are in a position control mode, no new position instruction exists, and the

control motors

42a and 42b can keep the current position, namely, in a power-on self-locking state, and of course, in a power-off self-locking state.

By adopting the method, the preset angle quantity theta is quantized into the first rotation angle alpha 1 and the second rotation angle alpha 2 of the

control motors

42a and 42b, the control motor positioned at one side of the internal tripod connecting block rotates towards the first rotation angle alpha 1 in the first direction, the control motor positioned at the other side rotates towards the second rotation angle alpha 2 in the second direction to push the working surface, the reaction force generated by the pushing working surface enables the middle nut seat 21 to rotate relative to the internal tripod 1 to the preset angle quantity theta, and the upper cam mechanism 5 and the lower cam mechanism 6 correspondingly rotate to the preset angle quantity theta, so that the relative positions of the upper cam mechanism 5 and the lower cam mechanism 6 are simply and accurately regulated.

The principle of the adjusting method is as follows, a processor of a control system sets a quantization algorithm, the quantization algorithm is used for obtaining the distance r between the designated positions on the

adjusting mechanisms

4a and 4b and the central axis of the gun barrel mandrel 3, and the preset angle theta is used as a central angle to obtain an arc length S with the corresponding central angle theta and the radius r, in the practical application scene, the preset angle theta of the upper cam mechanism 5 and the lower cam mechanism 6 is smaller, so the adjusting

screws

44a and 44b correspondingly need to roughly advance or retreat the thread section length corresponding to the arc length value, and then the thread section length is converted into the rotating angles of the adjusting

screws

44a and 44b, namely the rotating angles of the

control motors

42a and 42b. Specifically, when the pushing structure includes the adjusting

screws

44a and 44b, one of the output shafts of the

setting control motors

42a and 42b rotates by a second rotation angle α 2 corresponding to the preset angle amount θ corresponding to the first rotation angle α 1, and the other one of the output shafts of the

setting control motors

42a and 42b further includes:

based on the contact positions of the abutting parts of the adjusting

mechanisms

4a and 4b and the working surface 12 and the radius r of the central axis of the gun barrel mandrel 3, the contact positions on the two sides of the working surface 12 can be basically considered as symmetrical, and the contact positions can be selected from one of the contact positions, and the contact positions are close to the working surface, compared with other point positions, better measurement and more accurate calculated data can be obtained, and the corresponding preset angle quantity theta is taken as a central angle, so that the arc length S = pi r theta/180 degrees is obtained;

based on the thread pitches D and the arc lengths S of the adjusting

screws

44a and 44b, a third rotation angle β 1 which is rotated when the adjusting screw on one side of the internal tripod connecting block 11 rotates the thread section with the forward arc length S is obtained, and a fourth rotation angle β 2 which is rotated when the adjusting screw on the other side of the internal tripod connecting block 11 rotates the thread section with the backward arc length S is obtained, wherein the third rotation angle β 1 and the fourth rotation angle β 2 have substantially the same numerical value, but the rotation directions are opposite, and in terms of the numerical value, the third rotation angle β 1= β 2= S360 °/D =2 pi r θ; the first rotation angle α 1 is synchronized with the third rotation angle β 1, and the second rotation angle α 2 is synchronized with the fourth rotation angle β 2.

In the following description, by way of specific examples, when the upper cam mechanism 5 is rotated clockwise by θ with respect to the lower cam mechanism 6, and the distance r =1000mm between the contact position of the abutment of the

adjustment mechanisms

4a,4b and the working face 12 and the central axis of the barrel mandrel 3, and the preset angular amount θ =1 °, the first arc length S = pi r θ/180 ° =3.14 × 1000 × 1 °/180 ° =17.4mm, and the

preset adjustment screws

44a,44b are M16 screws, the coarse pitch of the screw is 2mm, and the third rotation angle β 1= S360 °/D =2 pi r θ

D =3140 °, the first rotation angle α 1 is synchronized with the third rotation angle β 1, i.e. the first rotation angle α 1=3140 °, for a total of 8.7 revolutions. In the same way, the fourth rotation angle β 2= s × 360 °/D =2 pi × r × θ/D =5011.2 °, and the second rotation angle α 2 is synchronized with the fourth rotation angle β 2, i.e., the second rotation angle α 2=3140 ° for 8.7 turns. The pulse equivalent gamma =1.8 ° of the

control motors

42a,42b is preset, the integral value of the ratio of α 1, α 2/γ is 2784 (3140 °/1.8 °) =1744, the specific number N of pulses can be further set according to actual conditions, if the upper and lower

hill angle mechanisms

5, 6 are already adjusted in place, N =1744, if there is a slight deviation between the upper and lower

hill angle mechanisms

5, 6, the deviation can be corrected by setting a compensation increment to be within ± 15 for manufacturing accuracy deviation of the mechanisms, so that the final range of N is 1729-1759. It should be understood that the pre-adjustment angle θ is also rotated counterclockwise by the upper cam mechanism 5 relative to the lower cam mechanism 6, and the detailed description thereof is omitted here.

Four control strategies are further provided for controlling the motors α 1 and α 2, wherein in this embodiment, the preset angle θ is rotated clockwise by the upper cam mechanism 5 relative to the lower cam mechanism 6 for example, and vice versa when the preset angle θ is rotated counterclockwise by the upper cam mechanism 5 relative to the lower cam mechanism 6, which is not described herein again.

Referring to fig. 13 and 14a to 14d, an initial state is as shown in fig. 14a, after the adjustment is started, a first control strategy is that, the output shaft of the control motor located at one side of the internal tripod connecting block 11 rotates in a first direction, as shown in fig. 14b, after the rotated angle is greater than a first rotation angle α 1, as shown in fig. 14c, the output shaft of the control motor located at the other side of the internal tripod connecting block 11 rotates gradually in a second direction, so that the rod portion of the adjustment screw of the same adjustment mechanism pushes the working surface, the seat plate 41b drives the inner tripod 3 to rotate relative to the tripod 1 by the reaction force of the adjustment screw 12, until the actual angle amount of the inner tripod 3 rotating relative to the internal tripod 1 substantially corresponds to the pre-adjusted angle amount θ, at this time, the control motor pushing the rod portion 12 rotates in the second direction by a second rotation angle α 2, and the output shaft of the control motor rotating in the first direction and the working surface of the control motor rotating in the second direction have a first gap W2, and then the output shaft of the other control motor rotates in the second direction until the adjustment screw comes close to the adjustment motor, the adjustment screw of the adjustment motor, the adjustment motor comes to the adjustment screw control motor, so as to drive the adjustment screw to abut against the adjustment motor 4211 b to prevent the adjustment motor from rotating surface, and the adjustment motor from abutting against the adjustment screw surface, and the adjustment motor 4212, and the adjustment motor comes to drive the adjustment motor to move again, the adjustment motor 4211 b to move again, and the first clearance W2 provides a buffer space, and the buffer space at least ensures that the rod part of the adjusting screw rotating towards the first direction and the internal tripod connecting block 11 cannot generate impact due to the rotation inertia of the middle nut seat 21, thereby effectively reducing the mechanical interference in the adjusting process and prolonging the service life of the equipment.

Referring to fig. 13 and 15a-15c, the initial state is as shown in fig. 15a, after the adjustment is started, the second control strategy is that the output shaft of the control motor located at one side of the internal tripod connecting block 11 rotates in the first direction, as shown in fig. 15b, the rotated angle is equal to the first rotation angle α 1, the output shaft of the control motor located at the other side of the internal tripod connecting block 11 rotates gradually in the second direction, so that the rod portion of the adjusting screw of the same adjusting mechanism pushes the working surface, and the seat plate 41b drives the gun barrel 3 to rotate relative to the internal tripod 1 by the reaction force of the pushing working surface 12 of the adjusting screw until the actual angle amount of the gun barrel 3 rotating relative to the internal tripod 1 substantially corresponds to the pre-adjusted angle amount θ, as shown in fig. 15c, at this time, the output shaft of the control motor pushing the working surface 12 rotates in the second direction by the second rotation angle α 2. The control strategy is that when the control motor on one side of the internal tripod connecting block moves back to the position first and the output shaft of the control motor on the other side rotates by a second rotation angle alpha 2 along the second direction, the two working surfaces 12 of the internal tripod connecting block 11 just abut against the rod parts of the two adjusting

screws

44a and 44b, so that the rod parts of the two adjusting

screws

44a and 44b abut against the two working surfaces 12 respectively, and the control strategy has the advantage of avoiding the movement interference caused by the fact that the adjusting screws 44a and 44b of the two

control motors

42a and 42b abut against the internal tripod connecting block 11 together in the process of driving the middle core base 21 to rotate, but has higher requirements on the control precision of the

control motors

42a and 42 b.

Referring to fig. 13 and 16a-16c, in an initial state as shown in fig. 16a, after the adjustment starts, a third control strategy is that the output shaft of the control motor located at one side of the inner tripod connecting block 11 rotates gradually in a first direction, as shown in fig. 16b, the rod part of the adjusting screw of the same adjusting mechanism is separated from the working surface 12, i.e., the rod part of the adjusting screw is not directly retreated but slowly retreated, and the output shaft of the control motor located at the other side of the inner tripod connecting block 11 rotates gradually in a second direction, so that the rod part of the adjusting screw of the same adjusting mechanism pushes the working surface, the seat plate 41b drives the gun barrel 3 to rotate relative to the tripod 1 by the reaction force of the pushing working surface of the adjusting screw 12 until the actual angle amount of the gun barrel 3 rotating relative to the tripod 1 substantially corresponds to the pre-adjusted angle amount θ, as shown in fig. 16c, at this time, the output shaft of the control motor pushing the working surface 12 rotates by a second rotation angle α 2 in the second direction, and the output shaft of the other control motor rotates by the first rotation angle α 1 in the first direction. The control strategy is that one of the adjusting

screws

44a,44b is retracted first, and the other one is advanced synchronously, when one of the controlling motors rotates to the second direction by the second rotation angle α 2, the angle rotated by the other controlling motor to the first direction is equal to the first rotation angle, so as to realize that the rods of the two adjusting

screws

44a,44b are respectively abutted against the two working surfaces 12, which has the advantages of avoiding the adjusting

screws

44a,44b of the two

controlling motors

42a,42b from being abutted against the internal tripod connecting block 11 in the process of driving the middle core base 21 to rotate, thereby causing movement interference, and the two

controlling motors

42a,42b have the condition of synchronous rotation, thereby saving the adjusting time and improving the adjusting efficiency.

Referring to fig. 13 and 17a to 17d, an initial state is as shown in fig. 17a, after the adjustment starts, a fourth control strategy is that, after the output shaft of the control motor located at one side of the internal tripod connecting block 11 is gradually rotated toward the first direction, as shown in fig. 17b, the rod portion of the adjustment screw of the same adjustment mechanism is separated from the working surface 12, the output shaft of the control motor located at the other side of the internal tripod connecting block 11 is gradually rotated toward the second direction, so that the rod portion of the adjustment screw of the same adjustment mechanism pushes the working surface, the seat plate 41b drives the gun barrel 3 to rotate relative to the internal tripod 1 by a reaction force of the rod portion pushing the working surface 12 of the adjustment screw, until an actual angle amount of rotation of the gun barrel 3 relative to the internal tripod 1 substantially corresponds to a pre-adjusted angle amount θ, as shown in fig. 17c, the output shaft of the control motor pushing the rod portion 12 is rotated toward the second direction by a second rotation angle α 2, an angle of rotation of the output shaft of the other control motor toward the first direction is greater than the first angle α 1, and a second gap exists between the output shaft of the control motor and the working surface W3, as shown in fig. 17b, so that the adjustment screw is rotated relative to the second gap between the output shaft of the control motor and the working surface is eliminated, and the adjustment motor 12, and the adjustment screw is tightly pressed against the working surface, and the second rotation of the second adjustment mechanism, and the adjustment screw is reached by the second adjustment mechanism, and the second adjustment screw, and the adjustment mechanism 44b, and the adjustment mechanism, and the adjustment screw. The advantage of this mode lies in, has not only improved adjustment efficiency, and second clearance W3 guarantees at least that to first direction pivoted adjusting screw pole portion and interior ancient cooking vessel connecting block 11 can not produce the striking because of well benevolence seat 21 rotation inertia, has effectively reduced the mechanical interference of adjustment process, has improved the life of equipment.

The above examples and drawings are not intended to limit the form and style of the product of the present invention, and any suitable changes and modifications thereof by one of ordinary skill in the art should be considered as not departing from the scope of the present invention.

Claims

1. A device for aligning upper and lower mountain corners of a circular knitting machine is characterized by comprising a hollow inner tripod (1) and a gun barrel (2) penetrating through the inner tripod (1), wherein a gun barrel mandrel (3) is installed inside the gun barrel (2) through a bearing, a middle nut seat (21) is fixed at the lower end of the gun barrel (2), a mounting space is formed by a gap between the bottom surface of a disk portion of the inner tripod (1) and the top surface of the middle nut seat (21), an inner tripod connecting block (11) is fixedly connected in the mounting space by the inner tripod (1), the inner tripod connecting block (11) is provided with two substantially parallel working surfaces (12), the working surfaces (12) are substantially vertical to the top surface of the middle nut seat (21), adjusting mechanisms (4a, 4b) are respectively arranged on two sides of the working surfaces (12) on the top surface of the middle nut seat (21), the adjusting mechanisms (4a, 4b) comprise control motors (42a, 42b), a pushing structures, guide pieces, the control motors 42b and output shafts, the output shafts of the control motors are connected with the output shafts, and the output shafts of the control motors (42b) and are connected with the control motors, and the pushing structures, and the output shafts of the control motors (42a, and the control motors are used for supporting the pushing structures, at least the abutting part of the pushing structure can axially slide relative to the output shafts of the control motors (42a, 42b) so as to realize the abutting of the working surface (12) of the inner tripod connecting block (11).

2. The upper and lower peak angle positioning adjustment device for the circular knitting machine as claimed in claim 1, wherein the guide member is a seat plate (41a, 41b) fixedly connected to the middle core seat (21), the seat plate (41a, 41b) is provided with the control motor (42a, 42b) and the pushing structure in sequence facing a direction close to the working surface (12), the pushing structure comprises a coupling member (43a, 43b) and an adjusting screw (44a, 44b), one end of the coupling member (43a, 43b) is used as a transmission part and fixedly connected to an output shaft of the control motor (42a, 42b), the other end is slidably accommodated with a head of the adjusting screw (44a, 44b) and can drive the head of the adjusting screw (44a, 44b) to rotate circumferentially, the end surface of the rod part 4a of the adjusting screw (41a, 4b) is an abutting part, and the seat plate (41a, 41b) is provided with a first threaded hole (41a, 41b) configured to be in threaded connection with the adjusting screw (44a, 44b), and the first threaded abutment part is inserted into the first threaded hole (41a, 41b) of the working surface (4112).

3. The upper and lower cam alignment adjustment device for circular knitting machines according to claim 2, wherein the shaft coupling members (43a, 43b) are integrally cylindrical, and have a key slot (431a, 431b) at one end thereof for engaging with the output shaft of the control motor (42a, 42b) and a sliding slot (432a, 432b) at the other end thereof, and the head of the adjusting screw (44a, 44b) is circumferentially inserted into the sliding slot (432a, 432b) in a limited manner.

4. The upper and lower peak angle alignment adjusting device for the circular knitting machine as claimed in claim 3, wherein the sliding grooves (432a, 432b) are radially penetrated and opened at one end of the coupling member (43a, 43b) along the coupling member (43a, 43b), the heads of the adjusting screws (44a, 44b) are symmetrically provided with sliding planes, and the inner walls of the sliding grooves (432a, 432b) are respectively matched with the two sliding planes to circumferentially limit the heads of the adjusting screws (44a, 44b).

5. The upper and lower hill alignment adjustment device for a circular knitting machine as claimed in any one of claims 2 to 4, wherein the seat plate (41a, 41b) is integrally formed and includes a bottom plate portion (411a, 411b), a bent portion (412a, 412b), and a side plate portion (413a, 413b), the side plate portion (413a, 413b) is disposed between the bottom plate portion (411a, 411b) and the bent portion (412a, 412b), the side plate portion (413a, 413b) is configured to fix the control motor (42a, 42b) and to yield the output shaft of the control motor (42a, 42b), the first threaded hole (414a, 414b) is formed through a side wall of the bent portion (412a, 412b) opposite to the side plate portion (412a, 413b), the bent portion (412a, 412b) and the side plate portion (413a, 413b) form a, 414b) and a half space is provided around the half shaft (43a, 43b).

6. The upper and lower mountain angle aligning adjusting device for the large circular knitting machine as claimed in claim 5, characterized in that adjusting blocks (415a, 415b) are arranged on the side faces of the bending portions (412a, 412b) close to the inner tripod connecting block (11), the adjusting blocks (415a, 415b) are configured to adjust the tooth gaps of the adjusting screws (44a, 44b), second threaded holes (416a, 416b) are formed through the middle portions of the adjusting blocks (415a, 415b), the second threaded holes (416a, 416b) are configured to be concentric with the first threaded holes (414a, 414b) and in threaded connection with the adjusting screws (44a, 41b), two arc-shaped holes (417a, 417b) are formed through the adjusting blocks (415a, 415b) in the second threaded holes (416a, 416b), and limiting screws (412a, 417b) fixedly connected with the bending portions (412a, 412b) are arranged in the bending portions (412a, 417b).

7. The upper and lower mountain angle alignment adjustment device for circular knitting machine as claimed in claim 1, wherein said inner tripod connecting block (11) is disposed on the outer sidewall of the rod portion of the inner tripod (1) and is convex as a whole, and said two working surfaces (12) are located on the two side surfaces of the convex small opening portion of the inner tripod connecting block (11).

8. An upper and lower mountain angle alignment adjustment method for a circular knitting machine, which is applied to the upper and lower mountain angle alignment adjustment device for the circular knitting machine according to any one of claims 1 to 7, characterized by comprising the following steps:

s1: presetting the pre-adjusted angle theta of the upper mountain angle mechanism (5) and the lower mountain angle mechanism (6), setting a first rotation angle alpha 1 of one of output shafts of the control motors (42a, 42b) corresponding to the pre-adjusted angle theta, and rotating a second rotation angle alpha 2 of the other output shaft corresponding to the pre-adjusted angle theta;

s2: one side of the inner tripod connecting block (11) controls the output shaft of the motor to rotate towards a first direction, so that the rod part of the adjusting screw of the same adjusting mechanism and the working surface (12) are in a loose or separated state, correspondingly, the other side of the inner tripod connecting block (11) controls the output shaft of the motor to rotate towards a second direction, the second direction is opposite to the rotating direction of the first direction, so that the rod part of the adjusting screw of the same adjusting mechanism pushes the working surface (12), the seat plate (41 b) drives the gun barrel (3) to rotate relative to the inner tripod (1) through the reaction force of pushing the rod part of the adjusting screw to push the working surface until the actual angle amount of the gun barrel (3) rotating relative to the inner tripod (1) basically corresponds to the pre-adjusted angle amount theta, one of the output shafts of the motors (42a and 42b) is correspondingly controlled to rotate towards the first rotation angle alpha 1 corresponding to the pre-adjusted angle amount theta, and the other one of the output shafts of the motors (42a and the motor is correspondingly controlled to rotate towards a second rotation angle alpha 2 corresponding to the second direction, so as to realize that the two adjusting screws (44 a and 44 b) are respectively abutted against the two working surfaces (12);

s3: the control motors (42 a,42 b) are self-locked to fix the relative position of the gun barrel (3) and the internal tripod (1).

9. The upper and lower peak angle alignment adjustment method for circular knitting machine according to claim 8, wherein when the pushing structure includes the adjusting screws (44a, 44b), one of the output shafts of the setting control motors (42a, 42b) corresponds to the pre-adjusted angle amount θ, the first rotation angle α 1, and the other rotation angle α 2 corresponds to the pre-adjusted angle amount θ, further comprising:

acquiring an arc length S = pi r theta/180 DEG by taking a corresponding preset angle quantity theta as a central angle based on a contact position of the abutting part of the adjusting mechanism (4 a,4 b) and the working surface (12) and a radius r of a central axis of the gun barrel core shaft (3);

based on the thread pitch D and the arc length S of the adjusting screws (44a and 44b), a third rotating angle beta 1 which is rotated when the adjusting screw on one side of the internal tripod connecting block (11) rotates a threaded section with the numerical value of the forward arc length S is obtained, and a fourth rotating angle beta 2 which is rotated when the adjusting screw on the other side of the internal tripod connecting block (11) rotates a threaded section with the numerical value of the backward arc length S is obtained, wherein the third rotating angle beta 1 and the fourth rotating angle beta 2 are basically equal in numerical value but opposite in rotating direction, and in numerical value, the third rotating angle beta 1= beta 2= S + 360 DEG/D =2 pi + r + theta; the first rotation angle α 1 is synchronized with the third rotation angle β 1, and the second rotation angle α 2 is synchronized with the fourth rotation angle β 2.

10. The upper and lower mountain angle alignment adjustment method for the circular knitting machine according to claim 8, wherein the output shaft of the motor is controlled to rotate in a first direction at one side of the internal tripod connecting block (11), and after the rotated angle is larger than a first rotation angle α 1, the output shaft of the motor is controlled to rotate gradually in a second direction at the other side of the internal tripod connecting block (11), so that the rod portion of the adjusting screw of the same adjusting mechanism pushes the working surface, the seat plate (41 b) drives the barrel (3) to rotate relative to the internal tripod (1) by the reaction force of the adjusting screw pushing the working surface (12), until the actual angle amount of the rotation of the barrel (3) relative to the internal tripod (1) substantially corresponds to the pre-adjusted angle amount θ, and at this time, the output shaft of the controlling motor pushing the working surface (12) rotates in the second direction by a second rotation angle α 2, and then the output shaft of the other controlling motor rotates in the second direction, until the adjusting screw of the same adjusting mechanism abuts against the working surface (12), and the rod portion of the controlling motor rotates in the first rotation angle α 1, and the rod portion (44 a) abuts against the two working surfaces (12).

11. The upper and lower mountain angle alignment adjustment method for the circular knitting machine according to claim 8, wherein the output shaft of the motor is controlled to rotate in a first direction by one side of the inner tripod connecting block (11), and after the rotation angle is equal to the first rotation angle α 1, the output shaft of the motor is controlled to rotate in a second direction by the other side of the inner tripod connecting block (11), so that the rod portion of the adjusting screw of the same adjusting mechanism pushes the working surface, the seat plate (41 b) drives the gun barrel (3) to rotate relative to the inner tripod (1) by the reaction force of the adjusting screw pushing the working surface (12), until the actual angle amount of rotation of the gun barrel (3) relative to the inner tripod (1) substantially corresponds to the pre-adjusted angle amount θ, and at this time, the output shaft of the motor controlling the pushing working surface (12) rotates in the second direction by the second rotation angle α 2, so that the rod portions of the two adjusting screws (44 a,44 b) are respectively abutted to the two working surfaces (12).

12. The upper and lower mountain angle alignment adjustment method for the circular knitting machine according to claim 8, wherein the output shaft of the motor is controlled to rotate gradually in a first direction at one side of the internal tripod connecting block (11), so that the rod portion of the adjusting screw of the same adjusting mechanism is separated from the working surface (12), and then the output shaft of the motor is controlled to rotate gradually in a second direction at the other side of the internal tripod connecting block (11), so that the rod portion of the adjusting screw of the same adjusting mechanism pushes the working surface, the seat plate (41 b) drives the gun barrel (3) to rotate relative to the internal tripod (1) by the reaction force of the adjusting screw pushing the working surface (12), until the actual angle amount of the rotation of the gun barrel (3) relative to the internal tripod (1 substantially corresponds to the pre-adjusted angle amount θ, and at this time, the output shaft of the controlling motor pushing the working surface (12) rotates by a second rotation angle α 2 in the second direction, and the output shaft of the other controlling motor rotates by a first rotation angle α 1 in the first direction, so as to realize that the two adjusting screws (44 a,44 b) respectively abut against the two working surfaces (12).

13. The upper and lower mountain angle alignment adjustment method for the circular knitting machine according to claim 8, wherein the output shaft of the motor is controlled to rotate gradually in a first direction at one side of the inner tripod connecting block (11), after the adjusting screw rod portion of the same adjusting mechanism is separated from the working surface (12), the output shaft of the motor is controlled to rotate gradually in a second direction at the other side of the inner tripod connecting block (11), so that the adjusting screw rod portion of the same adjusting mechanism pushes the working surface, the seat plate (41 b) drives the gun barrel (3) to rotate relative to the inner tripod (1) by the reaction force of the adjusting screw pushing the working surface (12), until the actual angle amount of rotation of the gun barrel (3) relative to the inner tripod (1) substantially corresponds to the pre-adjusted angle amount θ, at this time, the control motor output shaft pushing the working surface (12) rotates by a second rotation angle α 2 in the second direction, the angle of rotation of the output shaft of the other control motor in the first direction is greater than the first rotation angle α 1, and then the output shaft of the control motor rotates by a second rotation angle α 1 until the adjusting screw rod portion of the same adjusting mechanism abuts against the first adjusting mechanism, and the adjusting screw rod portion (12) rotates by a second rotation angle α 1, and the adjusting screw (44 b) abuts against the adjusting screw.