CN212814094U - Continuous shrimp meat production line - Google Patents

Abstract

The utility model discloses a continuous type shelled shrimp production line, forming device opens and shuts including elasticity, the tight filling device of annotating of removal location clamp, the pneumatic overspeed device tensioner of chain, atomizing fueling injection equipment, a machine support, gyro wheel chain and conveyer belt, the gyro wheel chain is totally two, and be located the left and right sides of frame respectively, the both ends of every gyro wheel chain extend to the both ends of frame respectively, two gyro wheel chains pass through step motor synchronous drive and rotate, the conveyer belt slope sets up at the frame front end, and the horizontal part of bottom is located the below of gyro wheel chain bottom, the front end gyro wheel chain top of frame sets gradually filling injection equipment respectively, atomizing fueling injection equipment, the tight filling device of annotating of removal location clamp, the pneumatic overspeed device tensioner of chain sets up in the frame rear end and supports the gyro wheel chain. The utility model discloses a continuous automatic processing of shelled shrimp minced fillet goods has improved the production efficiency of shelled shrimp minced fillet goods greatly, has fully guaranteed the quality of minced fillet goods moreover.

Description

Continuous shrimp meat production line

Technical Field

The utility model relates to a food processing technology field, a continuous type shelled shrimp production line specifically says so.

Background

The minced fillet is a gel which is prepared by taking fish as a raw material, adding salt, auxiliary materials and the like into the fish, kneading the fish into viscous fish paste, then forming the fish paste, and heating the fish paste to obtain the elastic gel. The quick-frozen minced fillet production line is characterized in that various processed raw minced fillets are processed and formed, then are subjected to deep quick freezing, and are stored, transported and sold at low temperature (generally-18 ℃), and the quick-frozen minced fillet production line belongs to quick-frozen foods. The quick-frozen minced fillet product has full elasticity, good taste, convenient eating and rich nutrition, and is suitable for fast-paced life of modern people.

The minced fillet product can provide a large amount of animal protein for human bodies, the protein content of most fishes can reach 18-20 percent, is higher than that of meat, poultry, eggs and milk, and is easy to digest and absorb, and the utilization rate is as high as 85-90 percent; the fish protein has complete amino acid composition, contains 8 essential amino acids incapable of being synthesized in human body, and has balanced compounding ratio. The fish fat mainly comprises a plurality of unsaturated fatty acids, and the fish meat also contains rich lecithin and mineral substances, so that the fish fat has high nutritive value and health-care effect on human bodies. The minced fillet product reserves the advantages of edible fish meat, and overcomes the defects of fresh fish consumption in seasonal, regional, fresh-keeping, transportation, edible convenience and the like.

The quick-frozen minced fillet product industry is used as an important component of deep processing of aquatic products, is a subsequent industry of aquatic product processing, belongs to innovative application of high and new technology in the traditional industry, is a typical representative of modern agricultural industrialization and science and technology, can improve the grade and additional value of products by prolonging an industrial chain, and has important significance for fishery structure adjustment and fishery income increase; meanwhile, the development of third industries such as machine manufacturing, packaging, transportation and even catering can be driven, and the method plays an important role in promoting the modernization of agriculture in China and improving the international competitiveness of agriculture in China.

The shrimp-flavor minced fillet product is a kind of minced fillet product with good production and marketing, and generally has two characteristics of strong shrimp fragrance and fresh and sweet shrimp taste. The price of fresh shrimps and shrimp meat is slightly higher, which can raise the product cost in the actual production of minced fillet products. Therefore, in the production of a plurality of minced fillet products with the flavor of middle and low-end shrimps, production enterprises use shrimp-flavor essence, spice, high-freshness monosodium glutamate (sodium glutamate and flavor nucleotide I + G), scallop essence and the like to improve freshness and fragrance of the minced fillet products. At present, the process for processing shrimp meat minced fillet products is mature, generally comprises two major steps, namely, minced fillet and shrimp-related raw materials are chopped and mixed to support stuffing, and then the stuffing is formed by a mold, but the automation degree of the existing equipment is low, so that a full-automatic continuous shrimp meat production line is developed for the company.

Disclosure of Invention

In order to solve the problem, the utility model aims at providing a continuous type shelled shrimp production line.

In order to achieve the above purpose, the technical scheme of the utility model is that: a continuous shrimp meat production line comprises an elastic opening and closing forming device, a mobile positioning clamping stuffing injection device, a chain pneumatic tensioning device, an atomization oil injection device, a stuffing injection device, a rack, two roller chains and a conveying belt, wherein the roller chains are respectively positioned on the left side and the right side of the rack, two ends of each roller chain respectively extend to two ends of the rack, the two roller chains are synchronously driven to rotate by a speed reduction stepping motor, the conveying belt is obliquely arranged at the front end of the rack, the horizontal part of the bottom of each roller chain is positioned below the bottom of each roller chain, the stuffing injection device, the atomization oil injection device and the mobile positioning clamping stuffing injection device are respectively and sequentially arranged above the roller chains at the front end of the rack, and the chain pneumatic tensioning device is arranged at the rear end of the rack and supports the roller chains;

the elastic opening and closing forming device comprises long-row molds buckled in pairs and mold fixing opening and closing plates fixed at two ends of each long-row mold, the paired mold fixing opening and closing plates are pressed and closed through torsion springs and are opened by overcoming the elasticity of the torsion springs, a plurality of forming grooves which are uniformly distributed are formed in the surfaces, which are in contact with each other, of each pair of long-row molds respectively, and the opposite forming grooves are paired together to form a forming cavity for injection;

the movable positioning clamping filling device comprises a filling outlet nozzle and a plurality of clamping jaws, wherein the filling outlet nozzle is driven to lift by different cylinders, each clamping jaw is also driven to open and close by the cylinders, and each pair of long-row dies of the elastic opening and closing forming device is clamped when the clamping jaws are closed;

the chain pneumatic tensioning device comprises a supporting chain wheel which is elastically supported by a tensioning cylinder and a chain wheel fixing shaft which penetrates through a plurality of supporting chain wheels, and two roller chains respectively pass through the supporting chain wheels at two ends of the chain wheel fixing shaft in the rear end of the rack;

the atomized oil injection device comprises an oil storage tank and an oil injection nozzle main body, the oil injection nozzle main body is uniformly distributed in the upper part of the frame on the front side of the movable positioning clamping stuffing injection device, and an oil injection pump is communicated with the bottom of the oil storage tank and used for delivering oil to each oil injection nozzle main body to be injected;

the front end of frame is provided with filling injection device, filling injection device includes the syringe of hopper and a plurality of two injection ports, the lower extreme of hopper communicates with one of them injection port of syringe through the check valve of a plurality of flow direction syringes, the other one injection port of syringe communicates with each filling nozzle upper end that corresponds through the check valve of outside circulation respectively, the push rod of syringe is fixed in one side of same push pedal, the push pedal promotes the back and forth movement through the injection cylinder, the filling groove of process is hugged closely to the lower extreme of every oil sprayer main part, the lower extreme of every filling nozzle then is relative with the filling groove of process.

Furthermore, the lower end of each pair of the die fixing open-close plates at the two ends respectively penetrates through the same die opening shaft, a torsion spring is further respectively penetrated through the two ends of each die opening shaft, the two ends of each torsion spring are respectively fixed on the side walls of each pair of the die fixing open-close plates at the same side, in a normal state, the torsion springs enable the die fixing open-close plates at the ends and the paired long-row dies to be in a closed state, each forming groove is respectively provided with a stuffing injection groove and an exhaust groove which are communicated with the upper surfaces of the long-row dies, the opposite stuffing injection grooves and the opposite exhaust grooves are respectively paired together to form a stuffing injection hole and an exhaust hole, the opposite edges of the die fixing open-close plates are respectively arranged into inclined edges which are forked, the upper ends of the opposite edges of the die fixing open-close plates are narrower than the lower ends, the two ends of each pair of the long-row dies are respectively clung to, the two ends of a die opening shaft of each pair of long row dies respectively penetrate through guide openings at the two ends, a die opening column is fixed on one side opposite to the upper end of each die opening plate, the die opening column extends to the position between each pair of crossed bevel edge upper sides of each end, when the pair of long row dies are in a closed state, the two ends of each die opening shaft are located in the lower ends of the guide openings, the outer side wall of each die opening column just contacts with the bevel edges of the two sides, the top of each die opening plate is respectively provided with a fixing part with holes bent outwards, the holes of the fixing part are fixedly connected with the side edges of roller chains on the two sides through bolts and nuts, a die opening guide rail which is obliquely arranged is fixed above the bottom roller chain above the horizontal part of the conveying belt, the lower end of the die opening guide rail which is closer to the rack is, the lower edge of the die opening guide rail contacts.

Furthermore, a lifting frame of the U-shaped frame and a filling nozzle fixing plate with the bottom bent forwards are arranged on one side of the lifting frame in a sliding mode, the filling nozzle fixing plate is tightly attached to one side of the lifting frame, the lifting frame and the filling nozzle fixing plate are arranged on one side of a vertical fixing frame in a sliding mode through a slider bearing and a vertical guide rail which are bilaterally symmetrical, a positioning lifting cylinder and a material injection lifting cylinder are respectively fixed on the horizontal position of the top of the fixing frame, a push rod of the positioning lifting cylinder is fixedly connected with the central fixing part of the bottom of the lifting frame, a push rod of the material injection lifting cylinder is fixedly connected with the central part of the upper end surface of the filling nozzle fixing plate, the positioning lifting cylinder is respectively used for driving the lifting frame to lift, the material injection lifting cylinder drives the filling nozzle fixing plate to lift, the horizontal part of the filling nozzle fixing plate vertically penetrates, the lower end of each stuffing outlet nozzle is provided with a rubber sealing ring, the fixing frame is vertically fixed at the front end of the rack, the fixing frame is fixed on a fixing block on the fine adjustment cross sliding table, and the fine adjustment cross sliding table is fixed on the rack through a horizontal supporting plate;

vertical clamping cylinders are respectively fixed on two sides of the lifting frame, a crossed scissors-shaped clamping jaw is respectively arranged below each clamping cylinder, and two handles at the upper end of each clamping jaw are respectively in rotating connection with push rods at the lower ends of the corresponding clamping cylinders on each side through rotating connecting rods; the middle part of the top of the filling nozzle fixing plate is fixed with a vertical middle clamping jaw cylinder, and the middle clamping jaw cylinder drives a clamping jaw crossing the filling nozzle at the middle part.

Furthermore, the mould fixing open-close plates at the two ends of the long row of moulds are provided with positioning plates with positioning holes, and the positioning plates are arranged at the two ends of one of the long row of moulds; the upper surface of the fine adjustment cross sliding table is provided with two parallel longitudinal slide way guide rails, the lower surface of the fixed block is fixed with a plurality of sliding blocks, the sliding blocks on the lower surface of the fixed block are respectively positioned in the two parallel transverse slide way guide rails, the sliding blocks on the lower surfaces of the two transverse slide way guide rails are respectively positioned in the two longitudinal slide way guide rails, so that the longitudinal slide way guide rails and the transverse slide way guide rails are arranged in a # -shape, the lower surface of the fixed block is fixed with a vertical elastic support rod, guide rod penetrating plates are respectively fixed on the upper surfaces of the fine adjustment cross sliding table around the elastic support rod in four directions, guide rods positioned at the same horizontal height are respectively penetrated through each opposite guide rod penetrating plate, the guide rods at the same height are opposite, a U-shaped top plate tightly attached to the elastic support rod is respectively fixed at the opposite end of each guide rod, a rebound spring is sleeved on, the both sides of crane bottom are fixed with respectively and are used for inserting the pilot pin that corresponds in the locating hole, through fixing a position earlier the back centre gripping, not only can carry out the centre gripping to mated mould, can realize more accurate location moreover, are convenient for annotate the filling, can prevent effectively that the filling material from flowing from the gap between the two parts of mated mould, and the shaping effect is better.

Furthermore, bearings are respectively sleeved on the chain wheel fixing shafts outside the supporting chain wheels, gears are respectively fixed on the chain wheel fixing shafts outside the bearings and are meshed with racks fixed on two sides of the rear end of the rack, tensioning cylinders are respectively arranged on two sides of the chain wheel fixing shafts, one end of each tensioning cylinder is fixedly connected with the rack body, and a cylinder push rod on the other end of each tensioning cylinder is fixedly connected with a corresponding slide block bearing on each side; an upper limiting slide way and a lower limiting slide way which are parallel to the rack are fixed on the side wall of the rack on the inner side of the rack, and grooves at the upper end and the lower end of the slide block bearing are respectively sleeved on the upper limiting slide way and the lower limiting slide way; the two roller chains are tensioned under the action of the tensioning cylinders on the two sides, because the environmental temperature rises and the two roller chains extend, the two roller chains are in a loose state, and the two tensioning cylinders have certain air pressure to tension the roller chains, the two tensioning cylinders continue to extend under the action of the air pressure and push the supporting chain wheel to move outwards, so that the roller chains are kept in a tensioned state; when the environmental temperature is reduced and the two roller chains are shortened under the action of the temperature, the contraction force of the chains is greater than the air pressure of the two tensioning cylinders, so that the tensioning cylinders contract inwards, and the roller chains are kept in a tensioned state; the elastic support of the two roller chains is realized through the stretching of the tensioning cylinders on the two sides, so that the two roller chains are always kept in a tensioning state, the two supporting chain wheels can move simultaneously, the movement distances of the two sides are the same, the same tensioning force of the roller chains on the two sides is fully ensured, and the die device between the roller chains on the two sides is effectively prevented from deviating.

Furthermore, a heating cavity is arranged in the middle of the rack, the side walls of two sides of the heating cavity are covered with sealed side plates, a plurality of rubber baffles which are arranged and overlapped up and down are respectively fixed at two ends of the heating cavity, the roller chain penetrates through the space between the upper and lower rubber baffles, a steam spray pipe with a plurality of air outlet holes is arranged at the bottom of the heating cavity, and a sealing cover covers the top of the heating cavity; each row of mold devices (namely the elastic opening and closing forming device) after filling is injected is heated when passing through the heating cavity, and the heating is more beneficial to further forming the filling.

Furthermore, the upper end of each oil nozzle main body is provided with a pipe connector which is protruded from the oil nozzle main body, the lower end of each oil nozzle main body is provided with an atomized oil nozzle pipe which extends downwards, a wide hole is formed in each oil nozzle main body, an atomized hole penetrates through the atomized oil nozzle pipe, the diameter of the atomized hole is smaller than that of the wide hole, each pipe connector is respectively communicated with one oil nozzle pipe through a hose, one end of each oil nozzle pipe is sealed, and the other end of each oil nozzle pipe is communicated with the bottom in the oil storage tank through an oil injection pump; the diameter of the atomizing holes is 2.5mm-3.2mm, and the diameter of the wide holes is 5 mm; the orifice divide into two sections, and the initiating terminal is the great wide hole of diameter promptly, and the end of producing oil is the atomizing hole that the diameter is less, at first through wide hole then through the atomizing hole again during the edible oil blowout, and spun edible oil is compressed in the twinkling of an eye in the equivalent of time, and the velocity of flow is fast in the twinkling of an eye, not only makes spun oil atomization effectual, and also more concentrated, more is favorable to spouting into the filling hole that its lower extreme was hugged closely with oil downthehole, reaches the antiseized effect of better oil spout.

Further, the top of the rack is also provided with an exhaust hood communicated with the heating cavity, and steam generated by heating is conveniently exhausted to other equipment through the exhaust hood.

Furthermore, the bottom of the supporting leg of the rack is supported with a movable wheel, so that the movable wheel is more convenient to move and is convenient to debug and install.

Furthermore, in order to keep the mold device in a closed state before opening, the bottom parts of the two sides in the rack are respectively provided with a supporting rail, and the two ends of the mold opening shaft of the elastic opening and closing forming device which moves to the bottom part of the rack and faces downwards are respectively supported on the supporting rails of the two sides, so that the long-row molds in a row move downwards under the action of gravity, and the mold opening shaft moves upwards relatively.

The utility model discloses a continuous automatic processing of shelled shrimp minced fillet goods has improved the production efficiency of shelled shrimp minced fillet goods greatly, has fully guaranteed the quality of minced fillet goods moreover.

Drawings

The present invention will now be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic structural view of the filling injecting device of the present invention;

FIG. 3 is a schematic front view of the elastic opening/closing molding device of the present invention;

FIG. 4 is a schematic top view of the elastic opening/closing molding device of the present invention;

FIG. 5 is a schematic side view of the elastic opening/closing molding device of the present invention;

FIG. 6 is a schematic view of the cross-sectional structure A-A of FIG. 3;

fig. 7 is a schematic perspective view of a pair of long row molds according to the present invention in an open state;

fig. 8 is a schematic perspective view of a pair of long row molds according to the present invention in an open state;

fig. 9 is a schematic structural view of the long row mold of the present invention;

FIG. 10 shows the operation of the elastic open/close forming device of the present invention in a state of being moved to the bottom of the frame and gradually opened downward;

FIG. 11 is a schematic structural view of the movable positioning, clamping and stuffing filling device according to the present invention;

FIG. 12 is a schematic view showing the three-dimensional structure of the clamping and stuffing-injecting part of the movable positioning and clamping stuffing-injecting device of the present invention;

FIG. 13 is a schematic top view of the U-shaped top plate of the movable positioning and clamping stuffing filling device of the present invention;

fig. 14 is the working state diagram of the movable positioning clamping filling device of the utility model when clamping the mold and filling the mold.

Fig. 15 is a schematic front view of the pneumatic chain tensioner of the present invention;

fig. 16 is a schematic side view of the pneumatic chain tensioner of the present invention;

fig. 17 is a front view of the fuel injector of the present invention;

fig. 18 is a schematic view of a cross-sectional structure of the fuel injection nozzle of the present invention.

Detailed Description

As shown in fig. 1-18, a continuous shrimp meat production line comprises an elastic opening and closing forming device 1, a mobile positioning clamping stuffing injection device 2, a chain pneumatic tensioning device 3, an atomizing oil injection device 4, a stuffing injection device 5, a frame 6, a roller chain 7 and a conveying belt 8, wherein the number of the roller chain 7 is two, and are respectively positioned at the left side and the right side of the frame 6, two ends of each roller chain 7 respectively extend to two ends of the frame 6, the two roller chains 7 are synchronously driven to rotate by a speed reducing stepping motor, a conveying belt 8 is obliquely arranged at the front end of the frame 6, the horizontal part of the bottom is positioned below the bottom of the roller chain 7, a stuffing injection device 5, an atomization and oil injection device 4 and a mobile positioning and clamping stuffing injection device 2 are respectively and sequentially arranged above the roller chain 7 at the front end of the rack 6, and a chain pneumatic tensioning device 3 is arranged at the rear end of the rack 6 and supports the roller chain 7;

the middle part of the rack 6 is a heating cavity 9, the side walls of two sides of the heating cavity 9 are covered with closed side plates, two ends of the heating cavity 9 are respectively fixed with a plurality of rubber baffles 10 which are arranged and overlapped up and down, the rubber baffles 10 seal two sides of the heating cavity 9, the rubber baffles 10 have good elasticity, the sealing can be ensured, simultaneously, the roller chain 7 can drive each elastic opening and closing forming device 1 to penetrate through the part between the rubber baffles 10, the elastic opening and closing forming devices 1 can move and enter and exit in the heating cavity 9 conveniently, the roller chain 7 penetrates between the upper and lower rubber baffles 10, the bottom of the heating cavity 9 is provided with a steam spray pipe 11 with a plurality of air outlet holes, the top of the heating cavity 9 is covered with a sealing cover 12, the top of the rack 6 is also provided with an exhaust hood 13 communicated with the heating cavity; the heating cavity 9 is heated by steam, and of course, heating methods such as electric heating and the like can be adopted;

the chain pneumatic tensioning device 3 comprises a supporting chain wheel 301 elastically supported by a tensioning cylinder 306 and a chain wheel fixing shaft 302 penetrating through a plurality of supporting chain wheels 301, and two roller chains 7 respectively pass through the supporting chain wheels 301 at two ends of the chain wheel fixing shaft 302 in the rear end of the rack 6; the chain wheel fixing shafts 302 outside the supporting chain wheels 301 are respectively sleeved with bearings 303, the chain wheel fixing shafts 302 outside the bearings 303 are respectively fixed with gears 304, the gears 304 are meshed with racks 305 fixed on two sides of the rear end of the rack 6, two sides of the chain wheel fixing shafts 302 are respectively provided with tensioning cylinders 306, one ends of the tensioning cylinders 306 are fixedly connected with the rack body of the rack 6, and cylinder push rods on the other ends are fixedly connected with the corresponding slide block bearings 303 on each side; an upper limiting slide way 307 and a lower limiting slide way 307 which are parallel to the rack 305 are further fixed on the side wall of the rack 6 on the inner side of the rack 305, and grooves at the upper end and the lower end of the slider bearing 303 are respectively sleeved on the upper limiting slide way 307 and the lower limiting slide way 307; the tensioning cylinders 306 on the two sides are used for tensioning the two roller chains, and as the ambient temperature rises and the two roller chains stretch, the two tensioning cylinders 306 stretch under the action of air pressure to push the supporting chain wheel 301 to move outwards (rightwards in fig. 16), so that the roller chains are kept in a tensioned state; when the environmental temperature is reduced and the two roller chains are shortened under the action of the temperature, at the moment, the contraction force of the chains is greater than the air pressure of the two tensioning air cylinders 306, so that the tensioning air cylinders 306 contract inwards, and the roller chains are kept in a tensioned state. In the process, the supporting chain wheels 301 horizontally move along the gear 304 and the rack 305 which are meshed with each other at two sides, the fixed positions of the gear 304 and the rack 305 at the two sides of the frame are the same, and the limiting slide ways 307 at the two sides are further limited, so that the two supporting chain wheels 301 can be ensured to move simultaneously, the moving distances of the two sides are also the same, the tensioning force of the roller chains at the two sides is fully ensured to be the same, and the deviation of the die device between the roller chains at the two sides is effectively prevented;

the elastic opening and closing forming device 1 comprises long row molds 101 buckled in pairs and mold fixing opening and closing plates 102 fixed at two ends of each long row mold 101, the paired mold fixing opening and closing plates 102 are pressed and closed through torsion springs 104 and are opened by overcoming the elasticity of the torsion springs 104, a plurality of forming grooves 105 which are uniformly distributed are respectively formed in the surfaces, which are contacted with each other, of each pair of long row molds 101, and the opposite forming grooves 105 are paired together to form a forming cavity for injection; the lower ends of each pair of the fixed open close boards 102 at the two ends are respectively penetrated through by the same open close shaft 103, the two ends of each open close shaft 103 are respectively penetrated through a torsion spring 104, the two ends of each torsion spring 104 are respectively fixed on the side walls of each pair of the fixed open close boards 102 at the same side, and in a normal state, the torsion spring 104 enables the pair of the fixed open close boards 102 at the ends and the pair of the long row molds 101 to be in a closed state, each forming groove 105 is respectively provided with a filling injection groove 106 and an exhaust groove 107 which are communicated with the upper surfaces of the long row molds 101, the opposite filling injection grooves 106 and the exhaust grooves 107 are respectively paired together to respectively form a filling injection hole and an exhaust hole, the opposite edges of the fixed open close boards 102 of the molds are respectively arranged into inclined edges 108 which are relatively forked, the upper ends of the opposite edges of the fixed open close boards 102 of the inclined edges 108 are narrower than the lower ends, the two ends of each pair of the long row molds 101 are, the two ends of the die opening shaft 103 of each pair of long row dies 101 respectively penetrate through the guide openings 110 at the two ends, a die opening column 111 is fixed at one side opposite to the upper end of the die opening plate 109, the die opening column 111 extends to the position between the upper sides of each pair of crossed bevel edges 108 at each end, when the pair of long row dies 101 are in a closed state, the two ends of each die opening shaft 103 are positioned in the lower end of the guide opening 110, the outer side wall of each die opening column 111 just contacts with the bevel edges 108 at the two sides, the top of each die opening plate 109 is respectively provided with a fixing part with holes which are bent outwards, the fixing part is fixedly connected with the side edges of the roller chains 7 at the two sides through the holes and the bolts and the nuts of the fixing part, a die opening guide rail 114 which is obliquely arranged is fixed above the bottom roller chain 7 above the horizontal part of the conveying belt 8, and the lower end of the die opening, and the passing mold opening shaft 103 is gradually moved downwards; support rails 15 are respectively arranged at the bottom parts of two sides in the rack 6, and two ends of a mold opening shaft 103 of the downward elastic opening and closing forming device 1 moving to the bottom part of the rack 6 are respectively supported on the support rails 15 at two sides; in order to save materials, the upper edges of the long-row molds 101 are arranged into a zigzag concave-convex structure, and the opposite forming grooves 105 are paired together to form a forming cavity in the shape of shelled shrimp, as shown in fig. 9, but can be arranged into other shapes such as cakes, cylinders, triangles, polygons, spheres, fish shapes and the like;

the atomizing oil injection device 4 comprises an oil storage tank 401 and an oil injection nozzle main body 402, the oil injection nozzle main body 402 is uniformly distributed in the upper part of the frame 6 at the front side of the movable positioning clamping stuffing injection device 2, and an oil injection pump is communicated with the bottom of the oil storage tank 401 and conveys oil to each oil injection nozzle main body 402 for injection; the upper end of each oil nozzle main body 402 is provided with a pipe connector 403 which protrudes from the oil nozzle main body 402, the lower end of each oil nozzle main body 402 is provided with an atomized oil nozzle 404 which extends downwards, a wide hole 405 is formed in each oil nozzle main body 402, an atomized oil nozzle 406 penetrates through the atomized oil nozzle 404, the diameter of the atomized oil nozzle 406 is smaller than that of the wide hole 405, each pipe connector 403 is respectively communicated with one oil nozzle through a hose, one end of the oil nozzle is sealed, and the other end of the oil nozzle is communicated with the inner bottom of the oil storage tank 401 through an oil injection pump; the diameter of the atomizing hole 406 is 2.5mm-3.2mm, and the diameter of the broad hole 405 is 5 mm; of course, each oil nozzle main body 402 can also be fixed on a horizontal lifting plate and driven to lift by an oil cylinder, so that oil is injected and sprayed after falling;

the movable positioning clamping stuffing filling device 2 comprises a stuffing discharging nozzle 207 and a plurality of clamping jaws 221 which are driven to lift by different cylinders, each clamping jaw 221 is also driven to open and close by the cylinder respectively, and each pair of long-row molds 101 of the elastic opening and closing forming device 1 are clamped when the clamping jaws are closed; a lifting frame 201 of a U-shaped frame and a stuffing outlet fixing plate 202 with the bottom bent forwards, the stuffing outlet fixing plate 202 is tightly attached to one side of the lifting frame 201, the lifting frame 201 and the stuffing outlet fixing plate 202 are respectively arranged at one side of a vertical fixing frame 204 in a vertical sliding way through a slide block bearing 203 and a vertical guide rail which are symmetrical left and right, a positioning lifting cylinder 205 and a material injection lifting cylinder 206 are respectively fixed at the horizontal position of the top of the fixing frame 204, a push rod of the positioning lifting cylinder 205 is fixedly connected with the central fixing part at the bottom of the lifting frame 201, a push rod of the material injection lifting cylinder 206 is fixedly connected with the central part of the upper end surface of the stuffing outlet fixing plate 202, the positioning lifting cylinder 205 drives the lifting frame 201 to lift, the material injection lifting cylinder 206 drives the stuffing outlet fixing plate 202 to lift, the horizontal part of the stuffing outlet fixing plate 202 vertically penetrates through and is fixed with uniformly distributed cylindrical stuffing outlets 207, the number of, the lower end of each stuffing outlet nozzle 207 is provided with a rubber sealing ring 219, the fixing frame 204 is vertically fixed at the front end of the frame 6, the fixing frame 204 is fixed on a fixing block 209 on the fine adjustment cross sliding table 208, and the fine adjustment cross sliding table 208 is fixed on the frame 6 through a horizontal supporting plate 210;

vertical clamping cylinders 220 are respectively fixed on two sides of the lifting frame 201, a crossed scissors-shaped clamping jaw 221 is respectively arranged below each clamping cylinder 220, and two handles at the upper end of each clamping jaw 221 are respectively in rotary connection with push rods at the lower ends of the corresponding clamping cylinders 220 on each side through a rotary connecting rod 222; a vertical middle clamping jaw cylinder 223 is fixed at the middle part of the top of the stuffing outlet fixing plate 202, and the middle clamping jaw cylinder 223 drives a clamping jaw 221 which crosses the stuffing outlet 207 at the middle part;

the mold fixing open-close plates 102 at the two ends of the long row molds 101 are provided with positioning plates 113 with positioning holes 112, and the positioning plates 113 are arranged at two ends of one of each pair of long row molds 101; two parallel longitudinal slide way guide rails 211 are arranged on the upper surface of the fine adjustment cross sliding table 208, a plurality of sliding blocks are fixed on the lower surface of the fixed block 209, the sliding blocks on the lower surface of the fixed block 209 are respectively positioned in two parallel transverse slide way guide rails 212, the sliding blocks on the lower surfaces of the two transverse slide way guide rails 212 are respectively positioned in the two longitudinal slide way guide rails 211, so that the longitudinal slide way guide rails 211 and the transverse slide way guide rails 212 are arranged in a cross shape, a vertical elastic support rod 213 is fixed on the lower surface of the fixed block 209, guide rod penetrating plates 214 are respectively fixed on the upper surfaces of the fine adjustment cross sliding table 208 surrounding the elastic support rod 213 in four directions, guide rods 215 at the same horizontal height are respectively penetrated through each opposite guide rod penetrating plate 214, the guide rods 215 at the same height are opposite, and U-shaped top plates 216 tightly attached to the elastic support rods 213 are respectively fixed, the guide rod 215 between the U-shaped top plate 216 and the guide rod penetrating plate 214 is sleeved with a rebound spring 217, the two sides of the bottom of the lifting frame 201 are respectively fixed with a positioning pin 218 inserted into the corresponding positioning hole 112, and the elastic support rod 213 can be elastically adjusted between the U-shaped top plates 216 through the rebound spring 217 through the arrangement, so that even if the fixing block 209 has certain elasticity in the plane, the positioning pin 218 can be conveniently positioned;

the front end of the frame 6 is provided with a stuffing injection device 5, the stuffing injection device 5 comprises a hopper 501 and a plurality of injectors 502 with double injection ports, the lower end of the hopper 501 is communicated with one of the injection ports of the injectors 502 through a plurality of one-way valves 503 flowing to the injectors 502, the other injection port of the injector 502 is communicated with the upper ends of the stuffing outlets 207 corresponding to the other injection port through the one-way valve 503 flowing outwards, the push rods of the injectors 502 are fixed on one side of the same push plate 504, the push plate 504 is pushed by an injection cylinder 505 to move back and forth, the lower end of each oil nozzle body 402 is tightly attached to the stuffing filling groove 106 passing through, and the lower end of each stuffing outlet 207 is opposite to the stuffing filling groove 106 passing through.

The utility model discloses the theory of operation: because the two sides of each elastic opening-closing forming device 1 are respectively fixed between the two roller chains 7 on the two sides, and the two roller chains 7 are synchronously driven to rotate by a speed-reducing stepping motor, namely the current common roller chain driving structure, one elastic opening-closing forming device 1 stops once when the elastic opening-closing forming device 1 moves, the difference is that the elastic opening-closing forming device 1 is fixed between the two roller chains 7, so that each elastic opening-closing forming device 1 forms continuous circulation intermittent rotation, when the elastic opening-closing forming device 1 rotates and moves to the top of the front end of the frame 6, the long-row die 101 of the elastic opening-closing forming device 1 is in a closed state under the compression action of the torsion spring 104, at the moment, the elastic opening-closing forming device 1 stays below the atomized oil injection pipe 404 of the atomized oil injection device 4, and the lower end of the atomized oil injection pipe 404 is correspondingly, then the oil injection pump works, the edible oil is pumped from the oil storage tank 401 to each oil nozzle main body 402 and is sprayed out from the atomized oil injection pipe 404 to be sprayed on the inner side wall of a forming cavity formed by the forming grooves 105 of the long-row mold 101, then the speed reduction stepping motor continues to move until the elastic opening and closing forming device 1 after oil injection moves to the position below the movable positioning clamping stuffing injection device 2 to stop rotating again, and then the elastic opening and closing forming device 1 below the atomized oil injection device 4 performs oil injection again;

the relative position of a row of filling nozzles 207 can be adjusted by finely adjusting the cross sliding table 208, for example, the two-dimensional manual fine adjustment cross sliding table displacement table produced by Shangguan honest spread hardware electronic technology Co., Ltd can be adjusted in XY axes, before the filling nozzle 207 is used, the horizontal position of the movable positioning clamping filling injecting device 2 is adjusted by finely adjusting the cross sliding table 208, so that the filling nozzle 207 corresponds to the filling injecting hole of each mould more accurately, when filling, the positioning lifting cylinder 205 extends firstly to drive the lifting frame 201 to move downwards along the slide block bearing 203, because the elastic supporting rod 213 can be adjusted elastically between the U-shaped top plates 216 through the rebound spring 217, even if the fixed block 209 has certain elasticity in the plane, the positioning needle 218 is firstly inserted into the positioning hole of the mould, then the clamping cylinder 220 contracts to drive the rotating connecting rod 222 to upwards and inwards tighten the upper end of the clamping jaw 221, because the clamping jaw 221 is in a cross-type scissor shape, the upper end of the clamping jaw 221 is tensioned, and the lower end is also clamped, so that two paired molds are clamped, two paired molds (namely, long-row molds 101) are tightly attached, then the material injection lifting cylinder 206 descends, the positioned stuffing outlet 207 is accurately aligned to stuffing injection holes of each long-row mold 101 of the elastic opening and closing forming device 1 after oil injection, and meanwhile, the middle clamping jaw cylinder 223 works to enable the clamping jaw 221 in the middle part to clamp the molds as shown in fig. 14;

then the filling injection device 5 works, firstly the injection cylinder 505 contracts and drives each injector 502 to vacuumize through the push plate 504, the lower end of the hopper 501 is communicated with one of the injection ports of the injectors 502 through a plurality of one-way valves 503 flowing to the injectors 502, so that the filling in the hopper 501 flows to each injector 502 in a one-way manner in the vacuumized state, then the injection cylinder 505 extends and pushes each injector 502 to inject through the push plate, because the other injection port of the injector 502 is communicated with the upper end of each corresponding filling nozzle 207 through the one-way valve 503 flowing outwards, the filling can only be discharged from the hopper 501 → the one-way valve 503 → the injector 502 → the one-way valve 503 → the hose → the filling nozzle 207 → the filling hole through the one-way flowing function of the one-way valve 503, finally the filling is injected into the forming cavity formed by each pair of forming grooves 105, and the air in the forming cavity is discharged from the air discharge hole formed by the air discharge groove 107, complete filling is completed;

after filling, the speed-reducing stepping motor continues to drive the elastic opening and closing forming device 1 to move towards the rear side (namely towards the right in figure 1) in the top of the rack 6, when the elastic opening and closing forming device 1 after filling moves to the heating cavity 9 in the middle of the rack 6, the steam spray pipe 11 is communicated with an external steam generator, steam is released in the heating cavity 9, so that the elastic opening and closing forming device 1 after filling is heated, the filling in the elastic opening and closing forming device is heated and further formed, and part of the steam after heating and cooling can be discharged from the exhaust hood 13 for subsequent recycling;

the heated elastic opening and closing forming device 1 is driven by a speed-reducing stepping motor to continue to move, passes through the rear end (namely the right end in figure 1) of the frame 6, then the elastic opening and closing forming device 1 which is originally in an upward state (namely, the long-row die 101 is opened and closed upwards) is reversed after passing through the chain pneumatic tensioning device 3, namely, the elastic opening and closing forming device 1 is turned downwards by 180 degrees, so that the elastic opening and closing forming device 1 faces downwards (namely, the long-row die 101 is opened and closed downwards), when the paired long-row die 101 moves to the upper part of the horizontal part of the conveying belt 8, the elastic opening and closing forming device continues to move towards the front end (namely, the left end in figure 1) in the frame 6, as the lower edge of the die opening guide rail 114 is gradually contacted with the passing die opening shaft 103 and the passing die opening shaft 103 gradually moves downwards, namely, the die opening shaft 103 is gradually pushed to move towards the die opening column 111, as shown in fig. 10, in the process, the inclined edge 108 moves close to the mold opening column 111, so that the paired mold fixing opening and closing plates 102 are gradually opened under the action of the inclined edge 108 and the mold opening column 111, and then the two paired long-row molds 101 are opened, so that the formed stuffing is discharged conveniently, and the minced fillet product in the shape of the shelled shrimps is finally prepared, the minced fillet product falls to the feeding end of the conveyer belt 8, the conveyer belt 8 is such as a PU food special lifter produced by zhuanghao mechanical limited company in the department of china, or a stainless steel chain plate climbing machine produced by lutong mechanical limited company in the department of ningjin county, and the like, the minced fillet product is conveyed out of the front end of the frame 6 through the conveyer belt 8, so as to be convenient for subsequent packaging and the like, the elastic opening and closing forming device 1 for discharging the product continuously rotates circularly, and is subjected to oil spraying, stuffing injecting, heating and discharging again, so as to realize continuous processing of the minced fillet product repeatedly, and the production, but also fully ensures the quality of the minced fillet product.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims (10)

1. The utility model provides a continuous type shelled shrimp production line which characterized in that: comprises an elastic opening and closing forming device (1), a mobile positioning clamping stuffing injection device (2), a chain pneumatic tensioning device (3), an atomization oil injection device (4), a stuffing injection device (5), a rack (6), roller chains (7) and a conveying belt (8), wherein the roller chains (7) are two in number and are respectively positioned at the left side and the right side of the rack (6), two ends of each roller chain (7) respectively extend to two ends of the rack (6), the two roller chains (7) synchronously drive and rotate through a speed reduction stepping motor, the conveying belt (8) is obliquely arranged at the front end of the rack (6), the horizontal part of the bottom is positioned below the bottom of the roller chains (7), the stuffing injection device (5), the atomization oil injection device (4) and the mobile positioning clamping stuffing injection device (2) are respectively and sequentially arranged above the roller chains (7) at the front end of the rack (6), the chain pneumatic tensioning device (3) is arranged at the rear end of the rack (6) and supports the roller chain (7);

the elastic opening and closing forming device (1) comprises long-row molds (101) which are buckled in pairs and mold fixing opening and closing plates (102) fixed at two ends of each long-row mold (101), wherein the paired mold fixing opening and closing plates (102) are pressed and closed through torsion springs (104) and opened by overcoming the elasticity of the torsion springs (104), a plurality of forming grooves (105) which are uniformly distributed are formed in the surfaces, which are contacted with each other, of each pair of long-row molds (101), and the opposite forming grooves (105) are paired together to form a forming cavity for injection;

the movable positioning clamping stuffing filling device (2) comprises a stuffing discharging nozzle (207) and a plurality of clamping jaws (221) which are driven to lift through different cylinders, each clamping jaw (221) is driven to open and close through a cylinder respectively, and each pair of long-row dies (101) of the elastic opening and closing forming device (1) is clamped when the clamping jaws are closed;

the chain pneumatic tensioning device (3) comprises a supporting chain wheel (301) elastically supported by a tensioning cylinder (306) and a chain wheel fixing shaft (302) penetrating through the supporting chain wheels (301), and two roller chains (7) respectively pass through the supporting chain wheels (301) at two ends of the chain wheel fixing shaft (302) in the rear end of the rack (6);

the atomizing oil injection device (4) comprises an oil storage tank (401) and oil injection nozzle main bodies (402), the oil injection nozzle main bodies (402) are uniformly distributed in the upper part of the frame (6) at the front side of the movable positioning clamping stuffing injection device (2), and an oil injection pump is communicated with the bottom of the oil storage tank (401) and conveys oil to each oil injection nozzle main body (402) to be sprayed out;

the front end of the rack (6) is provided with a stuffing injection device (5), the stuffing injection device (5) comprises a hopper (501) and a plurality of injectors (502) with double injection ports, the lower end of the hopper (501) is communicated with one of the injection ports of the injectors (502) through a plurality of one-way valves (503) flowing to the injectors (502), the other injection port of the injector (502) is communicated with the upper ends of the stuffing outlets (207) corresponding to the other injection port through a one-way valve (503) flowing outwards, push rods of the injectors (502) are fixed on one side of the same push plate (504), the push plate (504) is pushed by an injection cylinder (505) to move back and forth, the lower end of each oil nozzle main body (402) is tightly attached to the stuffing injection slot (106) passing through, and the lower end of each stuffing outlet (207) is opposite to the stuffing injection slot (106) passing through.

2. A continuous shrimp meat production line as in claim 1 further comprising: the lower ends of each pair of the die fixing split plates (102) at the two ends are respectively penetrated through the same die opening shaft (103), two ends of each die opening shaft (103) are respectively penetrated through a torsion spring (104), two ends of each torsion spring (104) are respectively fixed on the side walls of each pair of the die fixing split plates (102) at the same side, in a normal state, the torsion springs (104) enable the die fixing split plates (102) at the ends and the long rows of dies (101) at the pairs to be in a closed state, each forming groove (105) is respectively provided with a stuffing injection groove (106) and a stuffing exhaust groove (107) which are communicated with the upper surface of the long rows of dies (101), the opposite stuffing injection grooves (106) and the opposite exhaust grooves (107) are respectively paired together to form stuffing injection holes and stuffing exhaust holes, opposite edges of the die fixing split plates (102) are respectively arranged into inclined edges (108) which are relatively forked, and the upper ends of the opposite edges of the die fixing split plates (102) are narrower than the lower ends, the two ends of each pair of long-row molds (101) are respectively clung to the opening plate (109), the lower half part of the opening plate (109) is provided with a vertically hollowed strip-shaped guide opening (110), the two ends of the opening shaft (103) of each pair of long-row molds (101) respectively penetrate through the guide openings (110) at the two ends, one opposite side of the upper end of the opening plate (109) is fixed with an opening column (111), the opening column (111) extends to the position between the upper sides of each pair of crossed bevel edges (108) at each end, when the paired long-row molds (101) are in a closed state, the two ends of each opening shaft (103) are positioned in the lower end of the guide opening (110), the outer side wall of each opening column (111) is just contacted with the bevel edges (108) at the two sides, the top of each opening plate (109) is respectively provided with a fixing part with a hole which is bent outwards, and the bolt and the nut are fixedly connected with, an obliquely arranged die opening guide rail (114) is fixed above the bottom roller chain (7) above the horizontal part of the conveying belt (8), and the lower the front end die opening guide rail (114) close to the rack (6) is, the lower edge of the die opening guide rail (114) is contacted with the passing die opening shaft (103), and the passing die opening shaft (103) is gradually moved downwards.

3. A continuous shrimp meat production line as in claim 1 further comprising: the device comprises a lifting frame (201) of a U-shaped frame and a stuffing outlet fixing plate (202) with the bottom bent forwards, wherein the stuffing outlet fixing plate (202) is tightly attached to one side of the lifting frame (201), the lifting frame (201) and the stuffing outlet fixing plate (202) are vertically and slidably arranged on one side of a vertical fixing frame (204) through a slider bearing (203) and a vertical guide rail which are bilaterally symmetrical, a positioning lifting cylinder (205) and a material injection lifting cylinder (206) are respectively fixed on the horizontal position of the top of the fixing frame (204), a push rod of the positioning lifting cylinder (205) is fixedly connected with the central fixed position of the bottom of the lifting frame (201), a push rod of the material injection lifting cylinder (206) is fixedly connected with the central position of the upper end surface of the stuffing outlet fixing plate (202), the positioning lifting cylinder (205) is respectively driven to lift the lifting frame (201), the material injection lifting cylinder (206) is driven to lift the stuffing outlet fixing plate (202), and the horizontal position of the stuffing outlet fixing plate (202 The number of the stuffing outlets (207) is the same as that of stuffing injection holes of each elastic opening and closing forming device (1), the lower end of each stuffing outlet (207) is provided with a rubber sealing ring (219), a fixing frame (204) is vertically fixed at the front end of the rack (6), the fixing frame (204) is fixed on a fixing block (209) on a fine adjustment cross sliding table (208), and the fine adjustment cross sliding table (208) is fixed on the rack (6) through a horizontal supporting plate (210);

vertical clamping cylinders (220) are respectively fixed on two sides of the lifting frame (201), a crossed scissors-shaped clamping jaw (221) is respectively arranged below each clamping cylinder (220), and two handles at the upper end of each clamping jaw (221) are respectively and rotatably connected with push rods at the lower ends of the corresponding clamping cylinders (220) on each side through a rotating connecting rod (222); the middle part of the top of the stuffing outlet fixing plate (202) is fixed with a vertical middle clamping jaw cylinder (223), and the middle clamping jaw cylinder (223) drives a clamping jaw (221) which crosses the stuffing outlet nozzle (207) at the middle part.

4. A continuous shrimp meat production line as in claim 3, wherein: the mould fixing open-close plates (102) at the two ends of the long row of moulds (101) are provided with positioning plates (113) with positioning holes (112), and the positioning plates (113) are arranged at the two ends of one of each pair of long row of moulds (101); two parallel longitudinal slide way guide rails (211) are arranged on the upper surface of the fine adjustment cross sliding table (208), a plurality of sliding blocks are fixed on the lower surface of the fixed block (209), the sliding blocks on the lower surface of the fixed block (209) are respectively positioned in the two parallel transverse slide way guide rails (212), the sliding blocks on the lower surfaces of the two transverse slide way guide rails (212) are respectively positioned in the two longitudinal slide way guide rails (211), so that the longitudinal slide way guide rails (211) and the transverse slide way guide rails (212) are arranged in a # -shape, a vertical elastic support rod (213) is fixed on the lower surface of the fixed block (209), guide rod penetrating plates (214) are respectively fixed on the upper surfaces of the fine adjustment cross sliding table (208) in four directions around the elastic support rod (213), guide rods (215) at the same horizontal height are respectively penetrated through the guide rod penetrating plates (214) which are opposite to each other, and the guide rods (, and a U-shaped top plate (216) tightly attached to the elastic supporting rod (213) is respectively fixed at one end opposite to the guide rod (215), a rebound spring (217) is sleeved on the guide rod (215) between the U-shaped top plate (216) and the guide rod penetrating plate (214), and positioning pins (218) inserted into corresponding positioning holes (112) are respectively fixed at two sides of the bottom of the lifting frame (201).

5. A continuous shrimp meat production line as in claim 1 further comprising: the chain wheel fixing shaft (302) supporting the outer side of the chain wheel (301) is respectively sleeved with a bearing (303), the chain wheel fixing shaft (302) supporting the outer side of the bearing (303) is respectively fixed with a gear (304), the gear (304) is meshed with racks (305) fixed on two sides of the rear end of the rack (6), two sides of the chain wheel fixing shaft (302) are respectively provided with a tensioning cylinder (306), one end of each tensioning cylinder (306) is fixedly connected with the rack body of the rack (6), and a cylinder push rod at the other end is fixedly connected with a corresponding slide block bearing (303) on each side; an upper limiting slide way and a lower limiting slide way (307) which are parallel to the rack (305) are further fixed on the side wall of the rack (6) on the inner side of the rack (305), and grooves at the upper end and the lower end of the sliding block bearing (303) are respectively sleeved on the upper limiting slide way and the lower limiting slide way (307).

6. A continuous shrimp meat production line as in claim 1 further comprising: the middle part of frame (6) is heating chamber (9), and heating chamber (9) both sides lateral wall covers has inclosed curb plate, and the both ends of heating chamber (9) then are fixed with polylith rubber baffle (10) of arranging the overlap from top to bottom respectively, and between rubber baffle (10) about gyro wheel chain (7) passed, the bottom of heating chamber (9) is provided with steam spray tube (11) of many strips venthole, and the top of heating chamber (9) covers there is sealed lid (12).

7. A continuous shrimp meat production line as in claim 1 further comprising: the upper end of each oil nozzle main body (402) is provided with a pipe connector (403) protruding from the oil nozzle main body (402), the lower end of each oil nozzle main body (402) is provided with an atomized oil injection pipe (404) extending downwards, a wide hole (405) is formed in each oil nozzle main body (402), an atomized hole (406) penetrates through the atomized oil injection pipe (404), the diameter of the atomized hole (406) is smaller than that of the wide hole (405), each pipe connector (403) is respectively communicated with one oil injection pipe through a hose, one end of each oil injection pipe is sealed, and the other end of each oil injection pipe is communicated with the inner bottom of the oil storage tank (401) through an oil injection pump; the diameter of the atomizing hole (406) is 2.5mm-3.2mm, and the diameter of the wide hole (405) is 5 mm.

8. A continuous shrimp meat production line as in claim 1 further comprising: an exhaust hood (13) communicated with the heating cavity (9) is also arranged at the top of the frame (6).

9. A continuous shrimp meat production line as in claim 1 further comprising: the bottom of the supporting leg of the frame (6) is supported with a movable wheel (14).

10. A continuous shrimp meat production line as in claim 1 further comprising: support rails (15) are respectively arranged at the bottom of two sides in the rack (6), and two ends of a die opening shaft (103) of the downward elastic opening and closing forming device (1) moving to the bottom of the rack (6) are respectively supported on the support rails (15) at two sides.

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