CN2104236U

CN2104236U - Straw curtain sewing machine

Info

Publication number: CN2104236U
Application number: CN 91222462
Authority: CN
Inventors: 刘柏林
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-11-08
Filing date: 1991-11-08
Publication date: 1992-05-13

Abstract

The utility model relates to a straw curtain sewing machine, comprising a machine frame, a motor, a plurality of groups of machine needles which are arranged on a needle board side by side, and a plurality of groups of needle hooking devices. Under the action of a simultaneous mechanical transmission system and a double-layer transmission belt feeding system, the utility model can automatically sew materials which are arranged laterally in a single-layer dispersing state into straw curtains by a plurality of rows simultaneously. With high degree of automation and high work efficiency, the utility model can replace the operation of manual straw curtain braiding.

Description

Straw curtain sewing machine

It is the Sewing machines that material is made straw screen or mat that the utility model belongs to the straw or like vegetable.

In industrial and agricultural production, often need plant on-the-spot sunshade and cover rain or strqw cover that winter, winter protection was used production operation or plant.Be the saving funds, usually use the straw screen or mat that can curl.This straw screen or mat when establishment material be the shape and not flexible that looses, the requirement of often curling when using for satisfying, material can not crisscrossly be worked out, can only traverse feed, and make through the vertical big span of multirow.Though existing straw mattress braiding machine has solved the sewing of big span, it can only work out the crisscross straw mattress of putting of material, is not suitable for the sewing of the woven straw that can curl; The general industry Sewing machines comprises sack closer, can only carry out the little stitch sewing of biplate single file up and down to becoming sheet material, can't resolve the requirement of sewing synchronously of the big stitch multirow of woven straw monolithic bulk material.Therefore, people can only be by the manual establishment of simple tool straw screen or mat at present, and labour intensity is big, and establishment efficient is low.

The purpose of this utility model is the special-purpose straw screen or mat Sewing machines of the big span automatic sewing of design a kind of energy self-feeding multirow.

The straw screen or mat Sewing machines that the utility model provides, basic identical with general industry with the part of Sewing machines, promptly comprise frame, motor (or other prime mover), synchronization mechanism transmission system, eedle, bobbin pin, turnbuckle, crochet hook device and location case thereof.It is characterized in that, the eedle of this straw screen or mat Sewing machines, bobbin pin, turnbuckle and crochet hook device are made of side by side many groups of mutual corresponding synchronization action, wherein eedle is installed on the needle plate that two ends can slide up and down along location guide side by side, the corresponding eedle of crochet hook device is installed on the final drive shaft side by side, there is the one group pin hole corresponding with eedle the box top, crochet hook device location that is fixedly mounted on the frame, and the structure of every group of eedle and crochet hook device is identical with existing portable single-thread seam chartered plane with operating principle; Said synchronization mechanism transmission system, comprise conveyer belt, the crank that drives by the conveyer belt big belt wheel of holding concurrently, the final drive shaft that connects firmly with big belt wheel, the crank that connects firmly with the final drive shaft other end transmission hypodontia gear of holding concurrently, there is movable rod in the limit portion of big belt wheel and hypodontia gear respectively and between the said needle plate two ends, forms slider-crank mechanism; The hypodontia gear also meshes with fixed axis gear, the planetary gear that fixed axis gear is identical with it with the number of teeth with modulus again is meshed, fixed axis gear and planetary gear are wound with the following band roller and coaxial the connecting firmly of last band roller of two groups of conveyer belts up and down spaced apart respectively with the surface, the other end of conveyer belt is walked around driven voller and last driven voller under the dead axle respectively, wherein descends the upper edge of driven voller and a stone platform that tilts to join.

In order to regulate material thickness, can set up material and transfer thick mechanism, this transfers thick mechanism by constituting with the central shaft of said planetary gear and last driven voller and the parallel endplay device and the location hook thereof of frame hinge.

Description of drawings:

Fig. 1 is an oblique view of the present utility model; Fig. 2-5 is its structural representation, and wherein Fig. 2 is a front view, and Fig. 3 is a right view, and Fig. 4 is along the B-B cutaway view; Fig. 5 is the transverse cross of crochet hook device and location case thereof.

In conjunction with Fig. 1 to Fig. 5, concrete structure of the present utility model and operating principle are as follows: starter motor (1), motor rotates the crank big belt wheel (4) of holding concurrently by small pulley (3) and conveyer belt (5), by final drive shaft (6) crank of the other end transmission hypodontia gear (9) of holding concurrently is rotated, when this hypodontia gear (9) and big belt wheel (4) rotate, driving needle plate (19) two ends by connecting rod (15) slides up and down along location guide (21), two-wheeled whenever circles, needle plate drive five eedles (24) be installed in side by side on the needle plate from the pin hole (14) of five correspondences of crochet hook device location case (10) end face up and down motion once, be installed in side by side simultaneously on the final drive shaft by cam (11), the crochet hook device that crochet hook (12) and spring (13) constitute is also finished a hook line action; Meanwhile, turn over an angle (angular dimension is determined by the hypodontia gear number of teeth) with the fixed axis gear (8) that the hypodontia gear has toothed portion to be meshed, turn over same angle with its planet gear meshed (17) to relative direction, the following band roller (7) and the last band roller (18) that connect firmly with two-wheeled also turn over same angle, walk around and be with roller and driven voller (27 up and down up and down, 26) material of clamping takes one pace forward between Biao Mian two groups of bar shapeds driving belt spaced apart, five eedles are finished making of a stitch from the gap of conveyer belt, along with the not stall of machine is moving, synchronization action so again and again.The straw screen or mat of making is passed to the rear portion from being with up and down between the roller.Become horizontal one group of pressure roller (29) in order not make upper conveyor belt make eedle long apart from influencing between the upper and lower, can on frame, to install, reduce the spacing of upper conveyor belt levels with upper conveyor belt.The 5 group bobbin pins (23) corresponding with eedle can be installed in frame top, on needle plate, have 5 fairleads (22), 5 groups of stringing mechanisms (28) are installed on the frame respectively, for reducing the inertia that needle plate moves up and down, one group of spring (20) is installed between needle plate and frame top, stone platform (25) one ends are fixed on the frame, the other end joins with the upper edge of following driven voller, can constantly material be taken off from the stone platform by means of the hock on the lower conveyor belt outer surface, be transported between two conveyer belts.If regulate material thickness as required, can swing the handle (30) of parallel double endplay device (16), make its swing, thereby change the position of engagement of planetary gear (17) and fixed axis gear (8), the position is low more, and distance is more little between the last lower conveyor belt, material is thin more, after the position is determined, promptly be hinged by an end and double rocker mechanism, the other end locks with the location hook (31) that frame is blocked mutually.If will regulate Sewing machines stitch size, as long as change the hypodontia gear (9) of the different numbers of teeth.For avoiding fixed axis gear to reverse, one retaining ratchet (32) is installed in its bottom.

Use this kind stitching sewing machine straw screen or mat, after the start, material ceaselessly feeds between two conveyer belts from the stone platform automatically, organizes the eedle synchronization action more, has realized the synchronous automatic sewing of straw screen or mat multirow, and thickness and stitch are adjustable; The straw screen or mat width is big more, can increase eedle quantity and realize big span sewing.Machine automaticity height, labour intensity is little, and operating efficiency is that artificial paillason curtain is incomparable.

Claims

1, a kind of straw screen or mat Sewing machines, comprise frame, motor (1), the synchronization mechanism transmission system, eedle (24), bobbin pin (23), turnbuckle (28), crochet hook device (11,12,13) and the location case (10), it is characterized in that, said eedle, the bobbin pin, turnbuckle and crochet hook device are made of side by side many groups of mutual corresponding synchronization action, wherein eedle is installed on the needle plate (19) that two ends can slide up and down along location guide (21) side by side, the corresponding eedle of crochet hook device is installed on the final drive shaft (6) side by side, and the one group pin hole (14) corresponding with eedle arranged at case (10) top, crochet hook device location that is fixedly mounted on the frame; Said synchronization mechanism transmission system, comprise conveyer belt (5), the crank that drives by the conveyer belt big belt wheel (4) of holding concurrently, the final drive shaft (6) that connects firmly with big belt wheel, the crank that connects firmly with the final drive shaft other end transmission hypodontia gear (9) of holding concurrently, the limit portion of big belt wheel and hypodontia gear is respectively and movable rod (15) arranged between the said needle plate two ends; Hypodontia gear and fixed axis gear (8) engagement, the planetary gear (17) that fixed axis gear is identical with it with the number of teeth with modulus is meshed, fixed axis gear and planetary gear are wound with the following band roller (7) and coaxial the connecting firmly of last band roller (18) of two groups of conveyer belts (2) up and down spaced apart respectively with the surface, the other end of conveyer belt is walked around driven voller under the dead axle (26) and last driven voller (27) respectively, wherein descends the upper edge of driven voller and a stone platform (25) that tilts to join.

2, as the said straw screen or mat Sewing machines of claim 1, it is characterized in that having the material that the parallel double endplay device (16) that is hinged with the central shaft of said planetary gear (17) and last driven voller (27) and frame and location hook (31) thereof form and transfer thick mechanism.

3,, it is characterized in that said needle plate (19) and frame top are equipped with one group of spring (20) as the said straw screen or mat Sewing machines of claim 1.

4, as claim 1 and 2 said straw screen or mat Sewing machiness, it is characterized in that, on frame, be equipped with and become horizontal one group of pressure roller (29) with said upper conveyor belt.

5, as the said straw screen or mat Sewing machines of claim 1, it is characterized in that, retaining ratchet (32) is installed in the bottom of said fixed axis gear (8).