CN213232632U

CN213232632U - Pneumatic needle selecting mechanism of negative multi-arm device

Info

Publication number: CN213232632U
Application number: CN202021561391.1U
Authority: CN
Inventors: 宋令文
Original assignee: Longkou Sunshine Molding Co ltd
Current assignee: Longkou Sunshine Molding Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-18
Anticipated expiration: 2030-07-31

Abstract

The utility model belongs to the technical field of spinning machine, concretely relates to pneumatic selection mechanism of negative multi-arm device, including the first horizontal needle of a plurality of and the horizontal needle of second, the left end of first horizontal needle and the horizontal needle of second is worn to establish at the faller, the shelf location with the micro cylinder that the total number of first horizontal needle and the horizontal needle of second equals, one micro cylinder corresponds one first horizontal needle or the horizontal needle of second, micro cylinder's jar pole can touch the left end of first horizontal needle or the horizontal needle of second. The utility model discloses replace the solenoid valve with the cylinder, saved numerous parts including horizontal needle actuating device, the structure is simplified greatly, and pneumatic structure cost is low, strikes for a short time, avoids mutual interference.

Description

Pneumatic needle selecting mechanism of negative multi-arm device

Technical Field

The utility model belongs to the technical field of spinning machine, concretely relates to pneumatic needle selection mechanism of negative formula multi-arm device.

Background

A negative dobby device is an actuating device which is applied to the weaving process of a medium-low speed loom and finishes the shedding motion of a heald frame. The invention patent of publication number CN101705556B discloses an electronic needle selection mechanism of a negative multi-arm device, belonging to the technical field of textile machinery. The signal supply device comprises a bracket, a group of electromagnetic valves and a group of transverse needle actuating devices, wherein the number of the group of electromagnetic valves is equal to the total number of the first transverse needles and the second transverse needles, each electromagnetic valve is arranged in the length direction of the bracket and is used for actuating the transverse needle actuating devices, the number of the group of transverse needle actuating devices is also equal to the total number of the first transverse needles and the second transverse needles, and each transverse needle actuating device is arranged on the bracket, is connected with the electromagnetic valves, is matched with the first transverse needles and the second transverse needles and is used for actuating the first transverse needles and the second transverse needles. The signal supply device of the invention is in an electromagnetic valve structure, so that a paper pattern plate and paper pattern in the prior art can be abandoned, and the service life of the signal supply device is improved. However, the electromagnetic valve has large impact, a plurality of electromagnetic valves are arranged together, magnetic fields can influence each other, the stability of needle selection is influenced, the structure is complex, and the manufacturing cost is high.

Disclosure of Invention

An object of the utility model is to provide a also need not to use line paper dish, line paper and probe and with the pneumatic feeding device improvement operational reliability and the reduction of cost.

The utility model discloses a realize through following technical scheme:

the pneumatic needle selection mechanism of the negative multi-arm device comprises a plurality of first transverse needles and second transverse needles, wherein the left ends of the first transverse needles and the second transverse needles penetrate through a transverse needle plate, micro cylinders with the total number equal to that of the first transverse needles and the second transverse needles are installed on a support, one micro cylinder corresponds to one first transverse needle or one second transverse needle, and a cylinder rod of each micro cylinder can touch the left end of the first transverse needle or the left end of the second transverse needle.

Furthermore, the front end of the miniature cylinder body is provided with a thread section, and the thread section penetrates through a mounting hole formed in the support in a clearance mode and then is fixed through a back nut.

Further, the micro cylinder is a single-acting cylinder.

Further, the right-hand member of first horizontal needle and second horizontal needle wears to establish on pushing away the faller, is close to its right-hand member wear to establish first short vertical needle and the short vertical needle of second on first horizontal needle and the second horizontal needle respectively, first spring and second spring are established to the cover respectively on first horizontal needle and the second horizontal needle, the one end of first spring and second spring respectively with push away on the faller butt, the other end respectively with set up the flange butt on first short vertical needle or the short vertical needle of second.

The utility model discloses replace the solenoid valve with the cylinder, saved numerous parts including horizontal needle actuating device, the structure is simplified greatly, and pneumatic structure cost is low, strikes for a short time, avoids mutual interference.

Drawings

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

Fig. 2 is a partially enlarged view of fig. 1.

Detailed Description

In the description of the present invention, it is to be understood that the terms "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplified description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation. The terms "first", "second", etc. are used merely to distinguish different elements and should not be construed as limiting the invention.

In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; unless the movable connection is explicitly defined as a detachable connection. These connections are conventional in the art, and those skilled in the art will understand the specific meaning of the above terms in the present invention according to the specific situation.

Referring to fig. 1-2, a pneumatic needle selection mechanism of a negative dobby device comprises a plurality of first transverse needles 21 and second transverse needles 22, the left ends of the first transverse needles 21 and the second transverse needles 22 penetrate through a transverse needle plate 8, and is characterized in that: the bracket 11 is provided with micro cylinders 12 with the total number equal to the number of the first transverse pins 21 and the second transverse pins 22, one micro cylinder 12 corresponds to one first transverse pin 21 or one second transverse pin 22, and a cylinder rod 121 of the micro cylinder 12 can touch the left end of the first transverse pin 21 or the left end of the second transverse pin 22. The front end of the cylinder body of the miniature cylinder 12 is provided with a thread section, and the thread section penetrates through a mounting hole formed in the support 11 in a clearance mode and then is fixed through a back nut 122. The microcylinder 12 is a single-acting cylinder. The right-hand member of first horizontal needle 21 and second horizontal needle 22 wears to establish on pushing away faller 4, is close to its right-hand member wear to establish first short vertical needle 5a and the short vertical needle 5b of second on first horizontal needle 21 and the second horizontal needle 22 respectively, first spring 211 and second spring 221 are established to the cover on first horizontal needle 21 and the second horizontal needle 22 respectively, the one end of first spring 211 and second spring 221 respectively with push away the faller 4 on the butt, the other end respectively with set up the flange butt on first short vertical needle 5a or the short vertical needle 5b of second.

Each cylinder is controlled by a PLC programmable controller in an electric control box of the passive multi-arm device and directly acts on each first transverse needle 21 and each second transverse needle 22, and the movement of the first transverse needle 21 and the second transverse needle 22 drives the first short vertical needle 5a and the second short vertical needle 5 b. If the first horizontal needle 21 moves to the right, the first horizontal needle 21 pushes the short vertical needle 5b, so that the lower end of the short vertical needle 5b is changed from the state of being engaged with the prerequisite knife board 3b to the disengaged state, meanwhile, the upper end of the short vertical needle 5b is disengaged from the pull-down hook 6b, the pull-down hook 6b falls, the falling pull-down hook 6b is matched with the pull-down knife 7b, and the pull-down hook 6b is driven by the pull-down knife 7b to realize the opening movement of the loom, and vice versa. The operation principle of the long vertical needle 5a is the same as that of the short vertical needle 5b, and thus the description thereof is omitted.

Claims

1. The utility model provides a pneumatic needle selection mechanism of negative multi-arm device, includes a plurality of first horizontal needle (21) and second horizontal needle (22), the left end of first horizontal needle (21) and second horizontal needle (22) is worn to establish at horizontal faller (8), its characterized in that: the support (11) is provided with micro cylinders (12) which are equal to the first transverse needle (21) and the second transverse needle (22) in total number, one micro cylinder (12) corresponds to one first transverse needle (21) or second transverse needle (22), and a cylinder rod (121) of the micro cylinder (12) can touch the left end of the first transverse needle (21) or the second transverse needle (22).

2. The pneumatic needle selection mechanism of a negative dobby according to claim 1, characterized in that: the front end of the cylinder body of the micro cylinder (12) is provided with a thread section, and the thread section penetrates through a mounting hole formed in the support (11) in a clearance mode and then is fixed through a back nut (122).

3. The pneumatic needle selection mechanism of a negative dobby according to claim 1, characterized in that: the micro cylinder (12) is a single-acting cylinder.

4. The pneumatic needle selection mechanism of a negative dobby according to claim 1, characterized in that: the right-hand member of first horizontal needle (21) and second horizontal needle (22) is worn to establish on push away faller (4), is close to its right-hand member wear to establish first short vertical needle (5 a) and second short vertical needle (5 b) on first horizontal needle (21) and second horizontal needle (22) respectively, first spring (211) and second spring (221) are established to the cover respectively on first horizontal needle (21) and second horizontal needle (22), the one end of first spring (211) and second spring (221) respectively with push away faller (4) go up butt, the other end respectively with set up the flange butt on first short vertical needle (5 a) or second short vertical needle (5 b).