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CN-224212980-U - Air injection mechanism for steam pre-shrinking machine

CN224212980UCN 224212980 UCN224212980 UCN 224212980UCN-224212980-U

Abstract

The utility model relates to the technical field of steam pre-shrinking machines, in particular to an air injection mechanism for a steam pre-shrinking machine, which comprises a pre-shrinking roller, wherein two air inlet pipes are symmetrically arranged in the pre-shrinking roller, two adjusting components are symmetrically and movably arranged in the pre-shrinking roller, an air outlet component is fixedly arranged outside the air inlet pipe, and the air outlet component comprises a plurality of air outlet pipes which are fixedly embedded and arranged on the outer side surface of the air inlet pipe at equal intervals. According to the utility model, the plurality of air outlet pipes are arranged in the preshrinking roller, so that steam is discharged from different positions in the preshrinking roller, and the air discharge amounts of the air outlet pipes at different positions are controlled, so that the steam is uniformly discharged from the preshrinking roller, the wetting and heating degree difference between the edge and the center of the cloth is ensured to be small, the preshrinking uniformity of the cloth is improved, and when the narrower cloth is preshrinked, the air outlet holes are shielded by the movable baffle plate, the air outlet range of the preshrinking roller is regulated, and the air outlet is only carried out at the shielding position of the cloth, so that the steam utilization rate is improved.

Inventors

  • ZHENG QI
  • ZHENG JINHUA

Assignees

  • 张家港牧羊人服饰有限公司

Dates

Publication Date
20260508
Application Date
20250411

Claims (7)

  1. 1. A gas injection mechanism for a steam precondenser, comprising: the device comprises a preshrinking roller (1), wherein two air inlet pipes (101) are symmetrically arranged in the preshrinking roller (1), and a baffle plate (102) is fixedly arranged on the outer side surface of each air inlet pipe (101); the two adjusting components (2) are symmetrically and movably arranged in the preshrinking roller (1); The air outlet assembly (3) is fixedly arranged on the outer side of the air inlet pipe (101), the air outlet assembly (3) comprises a plurality of air outlet pipes (301) fixedly embedded in the outer side surface of the air inlet pipe (101), valve seats (302) are fixedly arranged in the air outlet pipes (301), piston blocks (309) are movably inserted in the valve seats (302), and a plurality of L-shaped rotating rods (307) with different lengths are connected in the air inlet pipe (101) in a rotating mode.
  2. 2. The air injection mechanism for the steam pre-shrinking machine according to claim 1, wherein one end of each of the two air inlet pipes (101) is fixedly communicated with a hose (104), one end of each hose (104) is communicated with a steam generator (105), sealing bearings (103) are fixedly installed at two ends inside the pre-shrinking roller (1), and each air inlet pipe (101) penetrates through the corresponding sealing bearing (103) and is fixedly connected with the inner ring of the sealing bearing (103).
  3. 3. The air injection mechanism for the steam pre-shrinking machine according to claim 1, wherein a through groove (108) is formed in one side surface of the partition plate (102), a rubber sheet (106) is fixedly connected to the position, located at the through groove (108), of one side surface of the partition plate (102), threads are arranged at one end of the outer side surface of the L-shaped rotating rod (307), a nut (107) is fixedly arranged on one end surface of the air inlet pipe (101), and the L-shaped rotating rod (307) penetrates through the nut (107) and is screwed with the nut (107).
  4. 4. The air injection mechanism for the steam pre-shrinking machine according to claim 1, wherein a fixing frame (303) is fixedly installed inside the air outlet pipe (301), sliding rods (304) are fixedly installed on the surfaces of two ends of the piston block (309), the sliding rods (304) penetrate through the fixing frame (303) at corresponding positions in a sliding mode, and springs (305) are movably sleeved between the piston block (309) and the fixing frame (303) outside the sliding rods (304).
  5. 5. The air injection mechanism for a steam pre-compressor according to claim 1, wherein a plurality of supporting frames (306) are fixedly installed inside the air inlet pipe (101), the L-shaped rotating rod (307) penetrates through the supporting frames (306) and is rotationally connected with the supporting frames (306), and an incomplete elliptic plate (308) is fixedly installed at the other end of the L-shaped rotating rod (307).
  6. 6. A gas injection mechanism for a steam pre-compressor according to claim 1, characterized in that the conditioning assembly (2) comprises: a plurality of baffles (201) which are in sliding fit with the inner side surface of the preshrinking roller (1); And a plurality of pull rods (202) fixedly installed on the inner side surfaces of the baffles (201).
  7. 7. The air injection mechanism for a steam pre-shrinking machine according to claim 6, wherein the pull rod (202) penetrates through one end surface of the pre-shrinking roller (1) in a sliding mode, a threaded ring (203) is fixedly installed at one end of the pull rod (202), and a bolt (204) is screwed and connected inside the threaded ring (203).

Description

Air injection mechanism for steam pre-shrinking machine Technical Field The utility model relates to the technical field of steam pre-compressors, in particular to an air injection mechanism for a steam pre-compressor. Background The preshrinking machine is also called an antishrinking machine, and is a device for mechanical preshrinking finishing of fabrics, and is designed according to the heat shrinkage principle of fibers. Because of the directionality of the wool fiber scales, the wool fibers can generate a fulling phenomenon under certain temperature, humidity, extrusion force and other conditions, and the excessive temperature or extrusion force can cause serious overshrinking in size, so that the wool fabrics need to be subjected to tension-free preshrinking in the preshrinking process, a steam preshrinking machine is equipment for preshrinking under the state of not pressurizing and stretching fabric, and comprises a cloth feeding mechanism, a preshrinking mechanism (an air injection mechanism) and a cloth collecting mechanism. CN218175366U, the disclosed 'a steam jet device for a pre-shrinking machine for reducing weft shrinkage of jean fabric' specifically, comprising a steam generator and a pre-shrinking steaming roller mechanism which are arranged in the pre-shrinking machine, wherein the steam generator and the pre-shrinking steaming roller mechanism are connected in a penetrating way through a steam pipeline, one end of the pre-shrinking steaming roller mechanism is movably provided with a transmission mechanism, the bottom of the pre-shrinking steaming roller mechanism is fixedly provided with a water receiving disc, the pre-shrinking steaming roller mechanism comprises a roller body, and two ends of the roller body are respectively provided with a first roller end cover and a second roller end cover; When the device is used, certain defects still exist, air is fed from two ends of the preshrinking roller, air is discharged from the air inlet end, the wetting and heating degrees of the edge and the center of the cloth are different, the preshrinking states of the cloth are easy to be different, and when the narrower cloth is preshrinked, air outlet holes on the surface of the preshrinking roller, which are close to the two ends, are not covered by the cloth, the air outlet quantity at the position is increased, so that steam at the position is inconvenient to directly humidify and heat the cloth, and steam waste is caused. Disclosure of utility model The present utility model is directed to an air injection mechanism for a steam pre-compressor to solve the above-mentioned problems. In order to achieve the above purpose, the present utility model provides the following technical solutions: A gas injection mechanism for a steam precondenser, comprising: The pre-shrinking roller is internally symmetrically provided with two air inlet pipes, and the outer side surface of each air inlet pipe is fixedly provided with a baffle plate; the two adjusting components are symmetrically and movably arranged in the preshrinking roller; The air outlet assembly is fixedly arranged outside the air inlet pipe and comprises a plurality of air outlet pipes fixedly embedded in the outer side surface of the air inlet pipe at equal intervals, a valve seat is fixedly arranged inside the air outlet pipe, a piston block is movably inserted inside the valve seat, and a plurality of L-shaped rotating rods with different lengths are rotatably connected inside the air inlet pipe. The steam pre-shrinking roller is characterized in that one end of each air inlet pipe is fixedly communicated with a hose, one end of each hose is communicated with a steam generator, sealing bearings are fixedly installed at two ends of the inside of the pre-shrinking roller, and each air inlet pipe penetrates through the sealing bearing at the corresponding position and is fixedly connected with the inner ring of the sealing bearing. The novel air inlet pipe is characterized in that a through groove is formed in one side surface of the partition plate, a rubber sheet is fixedly connected to the position, located at the through groove, of the one side surface of the partition plate, threads are formed in one end of the outer side surface of the L-shaped rotating rod, a nut is fixedly installed on one end surface of the air inlet pipe, and the L-shaped rotating rod penetrates through the nut and is connected with the nut in a screwed mode. The air outlet pipe is characterized in that a fixing frame is fixedly arranged in the air outlet pipe, sliding rods are fixedly arranged on the surfaces of two ends of the piston block, the sliding rods penetrate through the fixing frame at the corresponding position in a sliding mode, and springs are movably sleeved between the piston block and the fixing frame on the outer side of the sliding rods. The novel air inlet pipe is characterized in that a plurality of supporting frames are fixedly arranged in the