CN216753407U

CN216753407U - Preliminary shaping device for converting square steamed bread into round steamed bread

Info

Publication number: CN216753407U
Application number: CN202220316342.4U
Authority: CN
Inventors: 王晓杰; 张军锋; 孙战伟; 庞晓东; 王军杰
Original assignee: Wanjie Intelligent Technology Co ltd
Current assignee: Wanjie Intelligent Technology Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-06-17
Anticipated expiration: 2032-02-16

Abstract

The preliminary shaping device for converting the square steamed bread into the round steamed bread solves the problems that the conventional conversion of the square steamed bread into the round steamed bread has no preliminary shaping and the final shaping effect is poor. The front sliding frame and the rear sliding frame are both provided with a plurality of extrusion devices with adjustable horizontal positions, and the front extrusion device and the rear extrusion device which are opposite to each other are matched to form a structure which extrudes the facing column towards the middle part.

Description

Preliminary shaping device for converting square steamed bread into round steamed bread

Technical Field

The utility model relates to the technical field of wheaten food steamed bun processing equipment, in particular to a primary shaping device for converting square steamed buns into round steamed buns.

Background

The square steamed bread has a layered structure, can be torn off layer by layer, is particularly chewy to eat, and is made into the square steamed bread due to the layered structure of the special processing technology.

Round steamed bread is the most common steamed bread on the market, has no laminated structure inside, is directly processed from a complete dough, has a porous structure inside, and is one of the most popular steamed breads.

In the market, people still accept round steamed buns relatively easily for the style of the steamed buns, but want to keep the layered structure of the square steamed buns and keep the taste of the square steamed buns, the existing market has equipment for converting the square steamed buns into the round steamed buns, namely, a special mould is adopted, and the square steamed buns are converted into the round steamed buns by coating the mould every time, but the efficiency is particularly low, and the batch production cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides a primary shaping device for converting square steamed bread into round steamed bread, and effectively solves the problems that the conventional conversion of square steamed bread into round steamed bread has no primary shaping and the final shaping effect is poor.

The utility model is realized by the following technical scheme: preliminary shaping device includes frame and preceding carriage and the back sliding frame of relative motion around, all is equipped with a plurality of horizontal position adjustable extrusion device on preceding carriage and the back sliding frame, and two extrusion device cooperations relative constitute to the face post and carry out to middle part extruded structure around.

Preferably, the preliminary shaping device further comprises a plurality of pressing and fixing devices with adjustable horizontal positions, and the pressing and fixing devices are structures for fixing the surface columns;

the pressing device and the squeezing device are arranged in a plurality of pressing fixing devices at intervals.

Preferably, the preliminary shaping device further comprises a guide frame fixedly connected with the machine frame, and the horizontal position of the pressing fixing device and the horizontal position of the pressing device along the guide frame are adjustable.

Preferably, the extrusion device comprises a first sliding block in sliding connection with the front sliding frame or the rear sliding frame, a connecting column is fixed at the lower end of the first sliding block, and a first rotating wheel is connected at the lower end of the connecting column.

Preferably, the pressing and fixing device comprises a second sliding block horizontally and slidably connected with the guide frame, the front end of the second sliding block is fixedly connected with a guide device, and the lower end of the guide device is provided with a vertically lifting pressing block.

Preferably, the guide device comprises a channel steel-shaped guide plate, a guide post is slidably arranged in the guide plate, the upper end of the guide post slidably penetrates through the guide plate, and the lower end of the guide post is fixedly connected with the pressing block;

the outer circumference cover of guide post is equipped with first spring, first spring upper end and deflector fixed connection, first spring lower extreme and pressing block fixed connection.

Preferably, the pressing block has a bridge-like structure.

Preferably, the pressing device comprises a third sliding block horizontally and slidably connected with the guide frame, an extrusion block is arranged below the third sliding block, and the lower end of the extrusion block is of an arc-shaped structure.

Preferably, the heights of the lowermost ends of the plurality of squeezing blocks are gradually reduced from right to left.

Preferably, a seventh connecting rod is arranged above the rack, the middle part of the seventh connecting rod is rotatably connected with the rack, one end of the seventh connecting rod is hinged with an eighth connecting rod, and the other end of the eighth connecting rod is hinged and fixed with the rear sliding frame;

the other end of the seventh connecting rod is hinged with a ninth connecting rod, and the other end of the ninth connecting rod is hinged and fixed with the front sliding frame.

Preferably, the rear end of the rack is rotatably provided with a third cam, a third convex groove is formed in the third cam, a third pin shaft is slidably arranged in the third convex groove, the upper end of the third pin shaft penetrates through the third cam and is fixedly connected with the rear sliding frame, and the third cam rotates circumferentially to form a structure that the rear sliding frame slides back and forth in a reciprocating manner.

Preferably, the front carriage comprises a front guide shaft which is slidable through the chassis.

Preferably, the rear sliding frame comprises a rear guide shaft which slidably extends through the chassis.

Compared with the prior art, the utility model has the following advantages: 1) the conveyer belt is in one-way transmission, so that the situation of unexpected backward sliding cannot occur, and the stability and the accuracy of processing are ensured; 2) the step-by-step lift of conveyer belt and step-by-step transport all adopt mechanical unit control to accomplish, increase the accuracy of equipment, reduce later maintenance's cost: 3) through the shaping device, carry out the plastic cutting with the flour column for the skin of steamed bun is a complete whole, avoids the fracture in later stage: 4) the operation of the whole equipment can be controlled by only one driving unit, so that the number of control units is reduced, and the stability of the equipment is improved.

Drawings

FIG. 1 is a schematic view of the overall process configuration of the present invention;

FIG. 2 is a schematic view of the overall structure of the apparatus of the present invention;

FIG. 3 is a schematic view of the whole apparatus of the present invention with electrical parts removed;

FIG. 4 is a schematic axial side view of the structure of FIG. 3;

FIG. 5 is a schematic structural view of FIG. 3 with a portion of the frame removed;

FIG. 6 is a schematic axial side view of the structure of FIG. 5;

FIG. 7 is a schematic view of the structure of FIG. 4 with the conveyor belt removed;

FIG. 8 is a schematic axial side view of the structure of FIG. 7;

FIG. 9 is a schematic view of the second axial side structure of FIG. 7;

FIG. 10 is a schematic side view of the axle of FIG. 7 (with the frame partially cut away);

FIG. 11 is a schematic view of the vertical plate of FIG. 10, partially broken away;

FIG. 12 is a schematic axial view of the structure of FIG. 7 (with the first cylinder removed);

FIG. 13 is a schematic isometric view of FIG. 12;

FIG. 14 is a schematic view of the second axial side structure of FIG. 12;

FIG. 15 is a schematic view of the overall shaping device of the present invention;

FIG. 16 is a schematic isometric view of FIG. 15;

FIG. 17 is a schematic view of the front and rear carriage motion configurations of the present invention;

FIG. 18 is a schematic view of the shaping apparatus of the present invention (with the extrusion apparatus removed);

FIG. 19 is a schematic view of a cutting device according to the present invention;

FIG. 20 is a schematic side view of the cutting device of the present invention;

FIG. 21 is a schematic structural view of the rubbing roller device of the present invention;

FIG. 22 is a schematic side view of the rubbing roller device according to the present invention;

FIG. 23 is a schematic view of a second axial side structure of the rubbing roller device of the present invention;

wherein: 1. a dough post conveying device; 2. a shaping device; 3. a preliminary shaping device; 4. a cutting device; 5. a shaping device after cutting; 6. a frame; 7. an extension plate; 8. auxiliary guide wheels; 9. supporting a support plate; 10. a guiding device; 11. a conveyor belt; 12. a first cylinder; 13. a first cam groove; 14. a first pin shaft; 15. a vertical plate; 16. a support frame; 17. a guide shaft; 18. a rectangular block; 19. a lead screw; 20. a swing lever; 21. a first press roll; 22. a first link; 23. a second link; 24. a third link; 25. expanding rollers; 26. a second cylinder; 27. a second cam slot; 28. a second pin shaft; 29. a fourth link; 30. a fifth link; 31. a sixth link; 32. a slider; 33. a first auxiliary roller; 34. a second auxiliary roller; 35. a limiting plate; 36. a front sliding frame; 37. a rear slide frame; 38. an extrusion device; 39. pressing the fixing device; 40. a pressing device; 41. a guide frame; 42. a first slider; 43. connecting columns; 44. a first runner; 45. a second slider; 46. a pressing block; 47. a guide plate; 48. a guide post; 49. a first spring; 50. a third slider; 51. extruding the block; 52. a seventh connecting rod; 53. an eighth link; 54. a ninth link; 55. a third cam; 56. a third tongue; 57. a third pin shaft; 58. a front guide shaft; 59. a rear guide shaft; 60. a cutting knife; 61. a shifting sheet; 62. a cutter frame; 63. a slider; 64. a tenth link; 65. a plectrum guide rod; 66. a sliding block; 67. shaping frames; 68. rubbing the roller; 69. a rubbing roller device; 70. a square block; 71. a rack; 72. a shaping rod; 73. a swing rod; 74. a gear; 75. an operating lever; 76. shaping the guide rod; 77. a sliding wheel.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 23, the process for converting a square steamed bun into a round steamed bun comprises: firstly, primarily shaping a flour column, and extruding downwards for multiple times and extruding towards the middle for multiple times to enable the flour column to generate a cutting mark for cutting by a cutter;

secondly, cutting the flour column, and cutting the flour column from the cutting mark;

and thirdly, shaping after cutting, and rubbing the cut edge to the lower part of the steamed bun.

In the utility model, the initial state is flour, the flour is made into flour columns used for the square steamed buns through a square steamed bun machine, and the process of making the flour into the flour columns used for the square steamed buns is not described in detail herein because the flour columns are already mature technologies;

then, the flour column is subjected to primary shaping, the flour column is subjected to downward extrusion for multiple times and extrusion towards the middle part for multiple times, and the downward extrusion and the extrusion towards the middle part are alternately performed, so that the flour column generates a cutting mark for cutting by a cutter, and the cutting by a rear cutter 60 is facilitated;

later, the flour column is cut along the cutting mark, so that a steamed bun wedge is formed;

furthermore, the cut steamed bun deeds are rubbed to the lower part of the steamed buns, so that the outer surface of the whole steamed buns is a complete skin, and cracks can not appear after the steamed buns are finished;

finally, the square steamed bread is processed into round steamed bread by a rounding machine.

Through the steps of the utility model, the original steamed bread can be made from the square steamed bread, and in the process, the outer surface skin of the square steamed bread is rubbed to the lower part of the original steamed bread, so that the surface skin of the steamed bread is a complete layer, and thus, the situations of cracks and the like can not occur after the steamed bread is steamed, and the attractiveness of the whole steamed bread is ensured.

An apparatus for converting square steamed bread into round steamed bread comprises a flour column conveying device 1, wherein the flour column conveying device 1 is a structure for conveying flour columns in a stepping mode and lifting the flour columns in a stepping mode;

the shaping device 2 for converting the square steamed bread into the round steamed bread comprises a primary shaping device 3, a structure for extruding the dough post conveyed in a stepping mode downwards for multiple times and extruding the dough post to the middle of the dough post for multiple times, a cutting device 4, a structure for cutting the dough post subjected to the primary shaping, a cut-off rear shaping device 5 and a structure for twisting the cut edge of the cut steamed bread to the lower side of the steamed bread.

In the utility model, a set of equipment specially used for the process is designed, so that a flour column for the square steamed bread is processed into round steamed bread, the flour column of the square steamed bread enters a flour column conveying device 1, the flour column conveying device 1 carries out stepping conveying, and in the process, the flour column conveying device 1 also enables the flour column to vertically reciprocate and lift, so that the flour column is continuously conveyed;

in the process of whole flour column transport, carry out preliminary shaping device 3 earlier, carry out a lot of down extrusion and a lot of extrusion from the outside to the middle part to the flour column, it is useless to say that press down and extrude to the middle part, this process is repeated many times, thereby make the flour column produce the trace of follow-up cutting altogether, cut the flour column from the trace department, adopt cutting device 4 after cutting the flour column, form individual steamed bun deed, then we are through cutting off back shaping device 5, rub steamed bun deed outer skin to the steamed bun below, make the outer skin of steamed bun be a complete one deck, avoid follow-up steamed bun to evaporate the crack that appears after good.

The flour column conveying device 1 comprises a frame 6, an extension plate 7 is fixed at the left end of the frame 6, and an auxiliary guide wheel 8 is arranged at the left end of the extension plate 7;

a support plate 9 which vertically and reciprocally ascends and descends is arranged at the front end of the rack 6, and a conveying belt 11 is slidably arranged above the support plate 9;

a guiding device 10 is arranged below the supporting plate 9, the guiding device 10 is connected with the frame 6, and the conveyer belt 11 passes through the supporting plate 9, bypasses the auxiliary guiding wheel 8 and the guiding device 10 to enclose a closed loop structure.

In the utility model, a frame 6 is a main body supporting part of equipment, electrical equipment is arranged on the frame 6, an extension plate 7 can also be directly used as a part of the frame 6, an auxiliary guide wheel can rotate, the horizontal position of the auxiliary guide wheel can be adjusted, guide sleeves are respectively fixed at the front end and the rear end of the left side of the extension plate 7, a guide rod is slidably arranged in each guide sleeve, the left end of each guide rod penetrates through the guide sleeve to be fixedly connected with a rotating shaft, an auxiliary guide wheel 8 is rotatably connected with the rotating shaft, and the guide rods are fixed by arranging a set screw on each guide sleeve, so that the position of the auxiliary guide wheel 8 can be adjusted according to actual conditions;

in addition, the conveying belt 11 slides along the supporting plate 9, and the supporting plate 9 is intermittently lifted up and down in a reciprocating manner, so that the conveying belt 11 is driven to lift up and down together;

furthermore, the lower end of the frame 6 is provided with a guide device 10, the guide device 10 controls the distance of each step of the conveyer belt 11, and the conveyer belt 11 bypasses the support plate 9, the auxiliary guide wheel 8 and the guide device 10 to form a closed conveyer belt 11, thereby completing the conveying and the step of the flour column.

In addition, a plurality of protective rollers are respectively and rotatably arranged at the front end and the rear end of the supporting plate 9, and the conveying positions of the multi-surface columns are guided.

Frame 6 rear end is rotatable is equipped with first cylinder 12, and first cylinder 12 outer circumference is equipped with first cam groove 13, and first cam groove 13 is a confined circumferential structure, and slidable is equipped with first round pin axle 14 in the first cam groove 13, and first round pin axle 14 outer end runs through first cam groove 13 and holds in the palm support plate 9 fixed connection, and first cylinder 12 circumference is rotated and is constituted and hold in the palm the vertical reciprocating sliding's of support plate 9 structure.

In the utility model, a first cylinder 12 is arranged behind a frame 6, a first cam groove 13 is closed and is formed along the excircle of the first cylinder 12, when the first cylinder 12 rotates, a supporting plate 9 is driven to vertically slide back and forth under the action of a first pin 14, in order to achieve the purpose of intermittent lifting, the first cam groove 13 is provided with a rapid inclined section and a horizontal smooth section, the inclined section and the smooth section are provided with two, the two smooth sections are positioned at the upper end and the lower end, when the smooth sections are matched with the first pin 14, the vertical height of the supporting plate 9 does not change, and when the inclined section is matched with the first pin 14, the supporting plate 9 is rapidly lifted.

A vertical plate 15 which vertically slides is arranged behind the rack 6, a support frame 16 is fixed at the front end of the vertical plate 15, and the front end of the support frame 16 penetrates through the rack 6 and is detachably connected with the support plate 9;

the outer end of the first pin shaft 14 is fixedly connected with a vertical plate 15.

The vertical plate 15 is arranged to play a certain expanding role, the avoidance groove is formed in the frame 6, the support frame 16 is somewhat similar to a fork in front of a forklift, the front end of the support frame 16 penetrates through the avoidance groove, the lower end of the support plate 9 is detachably connected with the support frame 16, the front end of the first pin shaft 14 is fixedly connected with the vertical plate 15, and therefore when the first cylinder 12 rotates, the support plate 9 is driven to vertically lift.

A guide shaft 17 is fixed at the rear end of the rack 6, a rectangular block 18 is slidably arranged on the guide shaft 17, and the rear end of the rectangular block 18 is fixedly connected with the vertical plate 15.

Under the action of the guide shaft 17, the vertical sliding effect of the vertical plate 15, that is, the vertical lifting and lowering of our carrying plate 9, can be ensured.

The lower end of the support plate 9 is fixed with a plurality of lead screws 19, the lower ends of the lead screws 19 slidably penetrate through the support frame 16, nuts are arranged above and below the support frame 16 and are in threaded connection with the lead screws 19, and the two nuts are tightly attached to the support frame 16 to form a structure for fixedly connecting the support plate 9 and the support frame 16.

Through the cooperation between lead screw 19 and the nut to realize holding in the palm the dismantlement connection between support plate 9 and the support frame 16, in addition, set up two nuts on every lead screw 19, it can adjust the relative height between support frame 16 and the support plate 9, the better degree of difficulty when having reduced the assembly.

The guide device 10 comprises a swing rod 20 which is rotatably connected with the rack 6, the middle part of the swing rod 20 is rotatably connected with the rack 6, the left end of the swing rod 20 is rotatably connected with a first press roller 21, and the upper end of the conveying belt 11 is attached to the first press roller 21;

the first pressing roller 21 is a structure that the support plate 9 ascends to drive the first pressing roller 21 to swing upwards, and the support plate 9 descends to drive the first pressing roller 21 to swing downwards.

When the supporting plate 9 is lifted, the conveying belt 11 is driven to lift together, and at the moment, the first pressing roller 21 is also lifted correspondingly, so that the state that the conveying belt 11 is excessively tensioned and loosened is avoided, and the normal use of the conveying belt 11 is ensured.

The lower end of the support carrier plate 9 is hinged with a first connecting rod 22, the lower end of the first connecting rod 22 is hinged with a second connecting rod 23, the middle part of the second connecting rod 23 is rotatably connected with the rack 6, the other end of the second connecting rod 23 is hinged with a third connecting rod 24, and the upper end of the third connecting rod 24 is hinged and fixed with the swinging rod 20.

In the present invention, the upper end of the first connecting rod 22 is hinged to the supporting frame 16, because the position of the supporting frame 16 is relatively stable and is located below the supporting plate 9, when the supporting frame 16 is vertically lifted, the supporting frame 16 will drive the swinging rod 20 to swing under the action of the first connecting rod 22, the second connecting rod 23, and the third connecting rod 24, which is a deformation of a plurality of four-bar linkages, and for how to realize and fix this part of the structure, detailed description is not repeated.

The guide device 10 further comprises an expanding roller 25, the expanding roller 25 is rotatably connected with the rack 6, and the expanding roller 25 is of a unidirectional rotating structure;

the conveyer belt 11 bypasses the expanding roller 25, and the expanding roller 25 is a structure that the supporting plate 9 vertically ascends and descends to drive the expanding roller 25 to rotate in one direction.

The rotating angle of the expanding roller 25 controls the stepping distance of the conveyer belt 11 at each time, and the stepping distance is controlled by adjusting the rotating angle of the expanding roller 25 at each time, namely the size of the steamed bun deeds is controlled;

the expanding roller 25 rotates in one direction, so that the conveying belt 11 can be ensured not to rotate reversely, and the operation effect of the whole equipment is ensured.

A second cylinder 26 is coaxially fixed below the first cylinder 12, a second cam groove 27 is formed in the second cylinder 26, the second cam groove 27 is of a closed circumferential structure, and a second pin shaft 28 is slidably arranged in the second cam groove 27;

a fourth connecting rod 29 is hinged at the rear end of the frame 6, the front end of a second pin shaft 28 penetrates through a second cam groove 27 and is fixedly connected with the fourth connecting rod 29, and a fifth connecting rod 30 is hinged at the other end of the fourth connecting rod 29;

the expanding roller 25 is coaxially and rotatably connected with a sixth connecting rod 31, and the lower end of the fifth connecting rod 30 is hinged and fixed with the sixth connecting rod 31.

Second cylinder 26 and the coaxial fixed connection of first cylinder 12, second cam groove 27 has been seted up through the outer circumference of second cylinder 26, second cam groove 27 is somewhat similar with first cam groove 13, also there are smooth end and slope section, thereby it drives fourth connecting rod 29 reciprocating swing to rotate through the rotation of second cylinder 26, thereby fourth connecting rod 29 swings and makes sixth connecting rod 31 carry out reciprocating swing, the reciprocating swing of sixth connecting rod 31 can drive and expand roller 25 and rotate, be equipped with the one-way bearing on expanding roller 25, it is controlling and expanding roller 25 unidirectional rotation to expand, sixth connecting rod 31 reciprocating swing can drive and expand roller 25 and carry out unidirectional rotation like this.

The outer end of the sixth connecting rod 31 is provided with a horizontal sliding groove, a sliding block 32 with adjustable position is arranged in the sliding groove in a sliding mode, and the lower end of the fifth connecting rod 30 is hinged and fixed with the sliding block 32.

The sliding block 32 is connected with the sixth connecting rod 31 through a set screw, the sliding block 32 slides along the sliding groove, the sliding block 32 is fixed at different positions of the sliding groove, the rotating angles of the expanding rollers 25 are different, the stepping conveying distance of the conveying belt 11 is different, and the swinging angle of the expanding rollers 25, namely the stepping distance of the conveying belt 11, is controlled through different positions of the sliding block 32.

And a friction layer is paved on the outer circumference of the expanding roller 25.

By the arrangement of the friction layer it is ensured that the conveyor belt 11 is brought to rotate together when the expansion roller 25 rotates.

The guide device 10 further comprises two first auxiliary rollers 33, and the first auxiliary rollers 33 are positioned above the expanding rollers 25;

the conveying belt 11 is wound on the expanding roller 25 through two first auxiliary rollers 33;

and a second swing auxiliary roller 34, and the conveying belt 11 coming out of the expanding roller 25 is connected with the supporting plate 9 by bypassing the second auxiliary roller 34.

The conveying belt 11 firstly bypasses one first auxiliary roller 33, then bypasses the expanding roller 25 and then exits from the other first auxiliary roller 33, and finally bypasses the second auxiliary roller 34 to enter the supporting plate 9, the two first auxiliary rollers 33 play a role of bypassing, so that the conveying belt 11 is ensured to be wound on the expanding roller 25, and the arrangement of the second auxiliary roller 34 can ensure that the conveying belt 11 cannot be too loose or too tight.

The upper end of the support carrier plate 9 is fixed with a limiting plate 35, a guide groove is formed in front of the limiting plate 35 and the support carrier plate 9, and the conveying belt 11 can be slidably arranged in the guide groove.

Under the action of the limiting plate 35, the conveyor belt 11 is ensured to slide along the support plate 9, and the support plate 9 drives the conveyor belt 11 to lift together in the lifting process.

The primary shaping device 3 comprises a front sliding frame 36 and a rear sliding frame 37 which move back and forth relatively, a plurality of extruding devices 38 with adjustable horizontal positions are arranged on the front sliding frame 36 and the rear sliding frame 37, and the two extruding devices 38 which are opposite back and forth are matched to form a structure which extrudes the facing column towards the middle part.

In the present invention, the front sliding frame 36 and the rear sliding frame 37 have substantially the same structure, the pressing device 38 can slide horizontally along the front sliding frame 36 and the rear sliding frame 37, the pressing device 38 can slide to a desired position for fixing, the pressing device 38 on the front sliding frame 36 corresponds to the pressing device 38 on the rear sliding frame 37, and the two pressing devices 38 slide towards the middle of the face pillar, thereby pressing the face pillar.

The primary shaping device 3 further comprises a plurality of pressing and fixing devices 39 with adjustable horizontal positions, and the pressing and fixing devices 39 are structures for fixing the flour columns;

and a plurality of pressing devices 40 with adjustable horizontal positions, wherein the pressing devices 40 and the pressing devices 38 are arranged in a plurality of pressing fixing devices 39 at intervals.

Pressing fixing device 39 sets up in conveyer belt 11 top, and pressing fixing device 39 is pressed the face post, and pressing device 40 is pressed the face post to make the face post produce a shear mark, supply follow-up cutting knife 60 to cut, when setting up, is one and presses fixing device 39, and one pressing device 40, one press fixing device 39, an extrusion device 38 and circulate, thereby carry out preliminary plastic to the face post.

The preliminary shaping device 3 further comprises a guide frame 41 fixedly connected to the frame 6, and the pressing fixture 39 and the pressing device 40 are horizontally adjustable along the guide frame 41.

In the present invention, a plurality of pressing fixtures 39 and a plurality of pressing fixtures 40 are arranged along the guide frame 41, and the horizontal positions of the pressing fixtures 39 and the pressing fixtures 40 can be adjusted to meet the production requirements.

The squeezing device 38 comprises a first sliding block 42 connected with the front sliding frame 36 or the rear sliding frame 37 in a sliding manner, a connecting column 43 is fixed at the lower end of the first sliding block 42, and a first rotating wheel 44 is connected at the lower end of the connecting column 43.

In the utility model, the front sliding frame 36 and the rear sliding frame 37 are provided with tracks, the first slider 42 slides along the tracks, the first slider 42 is fixed on the front sliding frame 36 or the rear sliding frame 37 through a set screw, and the connecting column 43 is driven to slide through the relative sliding of the front sliding frame 36 and the rear sliding frame 37, and the first rotating wheel 44 can be fixedly connected with the connecting column 43 or rotatably connected with the connecting column 43, so that the effect of the manner of the rotational connection is better.

The pressing fixing device 39 comprises a second sliding block 45 horizontally and slidably connected with the guide frame 41, the front end of the second sliding block 45 is fixedly connected with a guide device, and the lower end of the guide device is provided with a pressing block 46 which vertically ascends and descends.

The flour column is fixed by the pressing fixing device 39, the pressing block 46 has a certain vertical sliding effect, a track is also formed in the guide frame 41, the second sliding block 45 slides along the track, and the second sliding block 45 is fixed on the guide frame 41 through a set screw.

The guide device comprises a channel steel-shaped guide plate 47, a guide post 48 is slidably arranged in the guide plate 47, the upper end of the guide post 48 slidably penetrates through the guide plate 47, and the lower end of the guide post 48 is fixedly connected with the pressing block 46;

the outer circumference of the guide post 48 is sleeved with a first spring 49, the upper end of the first spring 49 is fixedly connected with the guide plate 47, and the lower end of the first spring 49 is fixedly connected with the pressing block 46.

In the utility model, the guide plate 47 is fixedly connected with the front end of the second slider 45, the guide post 48 penetrates through the guide plate 47 to play a guiding role, the first spring 49 is sleeved on the excircle of the guide post 48, an elastic force is generated through the action of the first spring 49, and when the supporting plate 9 vertically ascends and descends, the pressing block 46 presses the face post, so that corresponding operation is carried out.

The pressing block 46 has a bridge-like structure.

The pressing device 40 comprises a third sliding block 50 horizontally and slidably connected with the guide frame 41, a squeezing block 51 is arranged below the third sliding block 50, and the lower end of the squeezing block 51 is of an arc-shaped structure.

The third slider 50 also slides along the track on the guide frame 41, the position of the third slider 50 is locked by a set screw, a guide shaft is fixed to the upper end of the pressing block 51, the upper end of the guide shaft slidably penetrates through the third slider 50, and the guide shaft and the third slider 50 are fixed together by the set screw.

The heights of the lowermost ends of the plurality of squeezing blocks 51 are gradually reduced from right to left.

The arrangement of the high-low order can gradually press the surface columns downwards, so that the surface columns are cut.

A seventh connecting rod 52 is arranged above the rack 6, the middle part of the seventh connecting rod 52 is rotatably connected with the rack 6, one end of the seventh connecting rod 52 is hinged with an eighth connecting rod 53, and the other end of the eighth connecting rod 53 is hinged and fixed with the rear sliding frame 37;

the other end of the seventh link 52 is hinged with a ninth link 54, and the other end of the ninth link 54 is hinged and fixed with the front sliding rack 36.

When the seventh link 52 rotates, the eighth link 53 and the ninth link 54 are driven to swing, so as to drive the front sliding frame 36 and the rear sliding frame 37 to move towards each other, thereby achieving the functions of squeezing and the like.

The rear end of the rack 6 is rotatably provided with a third cam 55, the third cam 55 is provided with a third convex groove 56, a third pin shaft 57 is slidably arranged in the third convex groove 56, the upper end of the third pin shaft 57 penetrates through the third cam 55 to be fixedly connected with the rear sliding frame 37, and the third cam 55 rotates circumferentially to form a structure that the rear sliding frame 37 slides back and forth in a reciprocating manner.

The third cam 55 is coaxially and fixedly connected with the first cylinder 12, the third cam 55 rotates to drive the pin shaft to slide in a reciprocating manner, so as to drive the front and rear sliding frames 37 to reciprocate, and the rear sliding frame 37 slides to drive the front sliding frame 36 to slide.

The front carriage 36 includes a front guide shaft 58, the front guide shaft 58 being slidable through the gantry 6.

The rear slide frame 37 includes a rear guide shaft 59, the rear guide shaft 59 being slidable through the chassis 6.

The front guide shaft 58 and the rear guide shaft 59 are provided to ensure the front-rear sliding effect of the front sliding frame 36 and the rear sliding frame 37.

Cutting device 4 includes cutting knife 60, and the cutting knife 60 left and right sides is equipped with a plectrum 61 respectively, and plectrum 61 downward sloping sets up, and plectrum 61 upper end is the one end of keeping away from cutting knife 60, and two plectrums 61 are horizontal relative slip's structure.

In the utility model, the flour column with the mark is cut by the cutting knife 60, and then the two poking pieces 61 are used for beating the steamed bun deeds, so that the preparation is made for the next shaping.

The cutting device 4 further comprises a cutter frame 62, and the upper end of the cutting knife 60 is detachably connected with the cutter frame 62;

the upper end of the cutter frame 62 is rotatably provided with a swinging block 63, the middle part of the swinging block 63 is rotatably connected with the cutter frame 62, the outer end of the swinging block 63 is hinged with a tenth connecting rod 64, and the other end of the tenth connecting rod 64 is hinged and fixed with the shifting sheet 61.

The cutter frame 62 is slidably arranged on the guide frame 41, the cutter frame 62 is fixed on the guide frame 41 through a set screw, the front end of the cutter frame 62 is provided with a wide hole, the cutter 60 passes through the wide hole through a bolt group to be fixed on the cutter frame 62, the support plate 9 rises, so that the surface column is cut off by the cutter 60, the swing block 63 is in the swing process and under the action of the tenth connecting rod 64, and the driving plectrum 61 is driven to horizontally slide.

The inner end of the plectrum 61 is fixedly connected with a plectrum guide rod 65, and the plectrum guide rod 65 can slidably penetrate through the cutter frame 62.

Under the action of the shifting piece guide rod 65, the horizontal sliding effect of the shifting piece 61 is ensured.

Preferably, the pressing and fixing devices 39 are fixed to the left and right ends of the cutter holder 62, respectively, and the pressing and fixing devices 39 are located outside the plectrum 61.

Here, the pressing fixture 39 is fixedly connected with the cutter holder 62, and the pressing fixture 39 is no longer provided with the second slider 45 which comprises a guide device, and the face post is pressed by the pressing block 46, so that the cutting is facilitated.

The rear sliding frame 37 is provided with a horizontal guide groove, a sliding block 66 is slidably arranged in the guide groove, the lower end of the sliding block 66 penetrates through the guide groove to be fixedly connected with the swinging block 63, and the axle center of the sliding block 66 is not overlapped with the axle center of the swinging block 63.

When the rear sliding frame 37 slides back and forth, the guide groove slides together to drive the sliding block 66 to slide, so as to drive the swinging block 63 to swing, the swinging block 63 swings to realize the effect of horizontal sliding of the shifting piece 61,

the shaping device 5 after cutting comprises a pressing fixing device 39, wherein the left end and the right end of the pressing fixing device 39 are provided with a rubbing roller device 69 which horizontally slides relative to each other and rotates relative to each other, and the rubbing roller device 69 rubs a knife edge to the lower side of the steamed bun.

The cut steamed buns are fixed by pressing the fixing device 39, and then the two rubbing rod devices move, so that the knife edge is rubbed to the lower part of the steamed buns, the outer surface of the steamed buns becomes a complete surface, and cracking of the steamed buns in the later steaming process is avoided.

The cut-off shaping device 5 further comprises a shaping frame 67, and the rear end of the pressing and fixing device 39 is fixedly connected with the shaping frame 67.

The shaping frame 67 is connected with the guide frame 41 in a sliding way, the shaping frame 67 is fixed on the guide frame 41 through a set screw, the pressing and fixing device 39 does not comprise the slide block 32 and comprises a guide device, and the steamed bread is pressed through the pressing block 46.

The rubbing roller device 69 comprises a horizontally sliding square block 70, and a rubbing roller 68 is rotatably arranged at the lower end of the square block 70.

The square block 70 slides horizontally to drive the rubbing stick to slide horizontally together, and the rubbing stick and the square block 70 are connected in a rotating manner, and can rotate in the process of sliding horizontally, so that the knife edge generated by the cutting knife 60 can be rubbed below the steamed bun.

The lower end of the shaping frame 67 is fixed with a rack 71, the rubbing roller 68 is coaxially fixed with a gear 74, the gear 74 is meshed with the rack 71, and the square block 70 horizontally slides to drive the rubbing roller 68 to rotate.

The square block 70 slides horizontally, so as to drive the gear 74 to slide horizontally together, and in the sliding process of the gear 74, as the gear is meshed with the rack 71, the gear 74 rotates, and the gear 74 rotates to drive the roll to rotate.

A shaping rod 72 is arranged above the shaping frame 67, the middle part of the shaping rod 72 is rotatably connected with the shaping frame 67, the end part of the shaping rod 72 is hinged with a swing rod 73, and the other end of the swing rod 73 is hinged and fixed with the square block 70.

Through the swing of the shaping rod 72, the square block 70 is driven to horizontally slide back and forth under the action of the swing rod 73.

The shaping frame 67 is fixed with a horizontal shaping guide rod 76, and the square block 70 horizontally slides along the shaping guide rod 76.

Under the action of shaping guide 76, the horizontal sliding effect of square block 70 is ensured.

An operating rod 75 is arranged above the shaping frame 67, the middle part of the operating rod 75 is rotatably connected with shaping, and one end of the shaping frame 67 is hinged and fixed with the shaping rod 72;

the other end of the operating rod 75 is rotatably provided with a sliding wheel 77;

the rear sliding frame is provided with a sliding groove, and the sliding wheel 77 can be arranged in the sliding groove in a sliding way.

The back sliding frame slides back and forth to drive the sliding groove to slide back and forth, the sliding groove slides back and forth to drive the sliding wheel 77 to move, the sliding wheel 77 moves to drive the operating rod 75 to swing, the swing of the operating rod 75 drives the shaping rod 72 to move, and then the square block 70 slides back and forth to realize the horizontal movement and rotation of the rubbing stick.

The utility model innovatively adopts a rubbing roller device to rub a knife edge at a cutting opening to the lower part of the steamed bun, so that the outer skin of the steamed bun ensures an integral structure, then in the guide device 10, the swing angle of the expanding roller 25 controls the stepping distance of the conveyer belt 11, and the expanding roller 25 is in a one-way rotating structure, so that the condition that the conveyer belt 11 slides in the opposite direction is avoided, in addition, the whole equipment can be realized by only one driving unit, the control unit is saved, the functions are realized by all mechanical parts, the later maintenance is convenient, the use stability of the equipment is increased, the steamed bun can be cut and rubbed by one pass of a flour column, so that the outer skin is ensured to be integral, and the situation that the steamed bun is cracked in the subsequent steaming process is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The preliminary shaping device for converting square steamed bread into round steamed bread is characterized by comprising a rack (6), a front sliding frame (36) and a rear sliding frame (37) which move back and forth relatively, wherein the front sliding frame (36) and the rear sliding frame (37) are respectively provided with a plurality of extruding devices (38) with adjustable horizontal positions, and the two extruding devices (38) which are opposite from front to back are matched to form a structure which extrudes a facing column towards the middle part.

2. The preliminary shaping device for converting a square steamed bun into a round steamed bun according to claim 1, further comprising a plurality of pressing fixtures (39) having adjustable horizontal positions, the pressing fixtures (39) having a structure for fixing the flour pillars;

the device also comprises a plurality of pressing devices (40) with adjustable horizontal positions, and the pressing devices (40) and the squeezing devices (38) are arranged in a plurality of pressing fixing devices (39) at intervals.

3. The preliminary shaping device for converting a square steamed bun into a round steamed bun according to claim 2, further comprising a guide frame (41) fixedly connected to the frame (6), wherein the pressing fixture (39) and the pressing device (40) are horizontally adjustable along the guide frame (41).

4. The preliminary shaping device for converting square steamed bread into round steamed bread as claimed in claim 1, wherein said pressing means (38) comprises a first slider (42) slidably connected to the front sliding frame (36) or the rear sliding frame (37), a connecting column (43) is fixed to the lower end of the first slider (42), and a first rotary wheel (44) is connected to the lower end of the connecting column (43).

5. The preliminary shaping device for converting a square steamed bun into a round steamed bun according to claim 2, wherein the pressing fixture (39) comprises a second slider (45) horizontally slidably connected with the guide frame (41), a guide device is fixedly connected with the front end of the second slider (45), and a vertically lifting pressing block (46) is arranged at the lower end of the guide device.

6. The preliminary shaping device for converting square steamed bread into round steamed bread according to claim 5, wherein the guide device comprises a channel-shaped guide plate (47), guide posts (48) are slidably arranged in the guide plate (47), the upper ends of the guide posts (48) slidably penetrate through the guide plate (47), and the lower ends of the guide posts (48) are fixedly connected with the pressing block (46);

the outer circumference of the guide post (48) is sleeved with a first spring (49), the upper end of the first spring (49) is fixedly connected with the guide plate (47), and the lower end of the first spring (49) is fixedly connected with the pressing block (46).

7. The preliminary shaping device for converting a square steamed bun into a round steamed bun according to claim 3, wherein the pressing device (40) comprises a third slider (50) horizontally slidably connected with the guide frame (41), a pressing block (51) is arranged below the third slider (50), and the lower end of the pressing block (51) is of an arc-shaped structure.

8. The preliminary shaping device for converting a square steamed bun into a round steamed bun according to claim 7, wherein the height of the lowermost ends of the plurality of pressing blocks (51) is gradually decreased from right to left.

9. The preliminary shaping device for converting the square steamed buns into the round steamed buns according to claim 1, wherein a seventh connecting rod (52) is arranged above the rack (6), the middle part of the seventh connecting rod (52) is rotatably connected with the rack (6), one end of the seventh connecting rod (52) is hinged with an eighth connecting rod (53), and the other end of the eighth connecting rod (53) is hinged and fixed with the rear sliding frame (37);

the other end of the seventh connecting rod (52) is hinged with a ninth connecting rod (54), and the other end of the ninth connecting rod (54) is hinged and fixed with the front sliding frame (36).

10. The preliminary shaping device for converting the square steamed buns into the round steamed buns according to claim 1, wherein a third cam (55) is rotatably arranged at the rear end of the rack (6), a third convex groove (56) is formed in the third cam (55), a third pin shaft (57) is slidably arranged in the third convex groove (56), the upper end of the third pin shaft (57) penetrates through the third cam (55) to be fixedly connected with the rear sliding frame (37), and the third cam (55) rotates circumferentially to form a structure that the rear sliding frame (37) slides back and forth.