阅读说明：本技术 一种面团顶部加工设备 (Dough top processing equipment ) 是由 黄斌 鲁皖平 于 2020-06-05 设计创作，主要内容包括：本发明公开了一种面团顶部加工设备,涉及一种食品加工设备,包括机体,所述机体的前端安装有水平设置的第一输送带,所述第一输送带的输出端处设置有安装在机体上的第二输送带,所述第一输送带的正上方设置有对其上面团顶部进行制褶的制褶机构,所述制褶机构通过可带动其进行往复运动的第一位移机构安装在机体上,还设置有可推动第二输送带上面团使其居中的辅助机构,所述第二输送带的正上方安装有可对其上面团顶端进行钻孔的钻孔装置,所述钻孔装置通过可带动其进行往复运动的第二位移机构安装在机体上；本发明可有效的对面团顶部进行加工制褶,同时产生裙边,使得制备的包子更加贴近手工制作的形态。(The invention discloses dough top processing equipment, which relates to food processing equipment and comprises a machine body, wherein a first conveying belt which is horizontally arranged is installed at the front end of the machine body, a second conveying belt which is installed on the machine body is arranged at the output end of the first conveying belt, a pleat making mechanism which is used for making pleats at the top of dough on the first conveying belt is arranged right above the first conveying belt, the pleat making mechanism is installed on the machine body through a first displacement mechanism which can drive the pleat making mechanism to do reciprocating motion, an auxiliary mechanism which can push the dough on the second conveying belt to center the second conveying belt is also arranged, a drilling device which can drill the top end of the dough on the second conveying belt is installed right above the second conveying belt, and the drilling device is installed on the machine body through a second displacement mechanism which can drive the drilling device to do reciprocating motion; the invention can effectively process and pleat the top of the dough and generate the skirt edge at the same time, so that the prepared steamed stuffed bun is closer to the shape of manual production.)

1. A dough top processing device comprises a machine body (1) and is characterized in that a first conveying belt (2) which is horizontally arranged is arranged at the front end of the machine body (1), the output end of the first conveyer belt (2) is provided with a second conveyer belt (3) arranged on the machine body (1), a pleat making mechanism for making pleats on the top of the dough on the first conveying belt (2) is arranged right above the first conveying belt, the pleating mechanism is arranged on the machine body (1) through a first displacement mechanism which can drive the pleating mechanism to do reciprocating motion, and is also provided with an auxiliary mechanism which can push the dough on the second conveying belt (3) to be centered, a drilling device capable of drilling the top end of the dough on the second conveying belt (3) is arranged right above the second conveying belt, the drilling device is arranged on the machine body (1) through a second displacement mechanism which can drive the drilling device to reciprocate.

2. The dough top processing equipment according to claim 1, wherein the pleat making mechanism comprises a central shaft (5) with a limiting disc (4) fixedly mounted at the bottom, a sliding sleeve (6) which is coaxially distributed with the central shaft (5) and has two thin ends and a thick middle end is sleeved outside the central shaft (5), a locking groove for placing a locking nut (7) is formed in the center of the top of the sliding sleeve (6), the top end of the central shaft (5) penetrates from the bottom end of the sliding sleeve (6) and then is in threaded connection with the locking nut (7) arranged in the locking groove, a cylindrical limiting sleeve (8) with a thin upper end and a thick lower end is sleeved outside the outer side of the sliding sleeve (6), and the limiting sleeve (8) which consists of the thick lower part of the limiting sleeve (8) and the annular skirt edge is uniformly formed integrally and vertically, radially parallel to the limiting sleeve (8) and penetrates through the body of the limiting sleeve, The limiting device comprises L-shaped limiting grooves (9), wherein each limiting groove (9) is internally provided with a pleat making cutter, each pleat making cutter is composed of an upper transverse part (10), a middle vertical part (11) and a lower transverse part (12), the end part of the upper transverse part (10) close to the center of a limiting sleeve (8) is a disc-shaped structure (13), all the disc-shaped structures (13) are arranged in a limiting space between the top of a thinner part at the bottom of a sliding sleeve (6) and the top of a limiting disc (4), the end part of the lower transverse part (12) facing the center of the limiting sleeve (8) is specifically a guide plate (14) which is wide at the top and narrow at the bottom and has a fillet at the top, the bottom of the lower transverse part (12) is provided with an arc-shaped cutting plate (15) which has the same radial direction as the extending direction of the limiting sleeve (8), inclines downwards relative to the vertical direction and has the outer width and, the top end of the middle vertical part (11) is rotatably connected with a hoisting mechanism, the vertical surface of the rotating track of the middle vertical part is radially parallel to the limiting sleeve (8), the hoisting mechanism is specifically composed of a lower hinged part (16), a middle limiting part (17) and an upper mounting part (18), the lower hinged part (16) is hinged to the top end of the middle vertical part (11), the middle limiting part (17) is specifically a long-strip-shaped columnar structure with parallel vertical walls arranged on two sides, the upper mounting part (18) is specifically a cylindrical structure and is in staggered connection with the middle limiting part (17), the inner side part of the upper mounting part is suspended, a threaded sleeve (19), a mounting clamping piece (20), a mounting sleeve (21) and an annular limiting plate (22) are sleeved on the thin part of the limiting sleeve (8) from top to bottom, the bottom of the annular limiting plate (22) tightly pushes the top of the thicker part of the limiting sleeve (8), the utility model discloses a sliding sleeve's structure, including annular limiting plate (22), the outer edge of annular limiting plate (22) is last even set up with the corresponding draw-in groove (23) of middle part spacing part (17), and every middle part spacing part (17) all sets up in the draw-in groove (23) that corresponds and the free portion of upper portion installation part (18) erects at annular limiting plate (22) top, upper portion installation part (18) all inlays and puts in the bottom of installation sleeve (21), the top threaded connection of threaded sleeve (19) and spacing sleeve (8), the top setting of sliding sleeve (6) is just above spacing sleeve (8) and its outer edge still is provided with annular spacing ring (24), and the external diameter of annular spacing ring (24) is greater than the internal diameter of spacing sleeve (8).

3. The dough top processing equipment according to claim 2, wherein the first displacement mechanism comprises a first screw rod adjusting mechanism (25) installed on the front end of the machine body (1) for adjusting the height of the whole folding mechanism in the vertical direction, a first air cylinder (26) with an output shaft vertically downward is installed on the front end of an upper and lower sliding platform of the first screw rod adjusting mechanism (25), the bottom end of the output shaft of the first air cylinder (26) is fixedly connected with one end of a first connecting platform (27) for connecting and installing a clamping piece (20), a vertical frame (28) is further arranged on the top of the first connecting platform (27), a second air cylinder (29) with an output shaft vertically downward is installed on the front end of the vertical frame (28), the output shaft of the second air cylinder (29) is connected with one end of a second connecting platform (30) for clamping a thinner part on the top of the sliding sleeve (6), the first air cylinder (26) drives the whole pleat making mechanism to move up and down, and the second air cylinder (29) drives all pleat making knives to move around the shaft through the sliding sleeve (6).

4. The dough top processing equipment according to claim 3, wherein the second displacement mechanism comprises a second screw rod adjusting mechanism (31) which is arranged at the front end of the machine body (1) and used for adjusting the height of the whole drilling device in the vertical direction, a third air cylinder (32) with an output shaft vertically downward is arranged at the front end of an up-and-down sliding platform of the second screw rod adjusting mechanism (31), the bottom end of the output shaft of the third air cylinder (32) is fixedly connected with one end of a third connecting platform (33) used for installing the drilling device, and the drilling device is arranged on the third connecting platform (33).

5. Top dough processing apparatus according to claim 4, wherein said drilling means is constituted in particular by a vertically arranged drilling knife (34) and a driving means (35), said driving means (35) being fixedly mounted on the third connecting platform (33), the output shaft of which is fixedly connected to the vertically arranged drilling knife (34) and drives it in a pivoting movement.

6. The dough top processing device of claim 5, wherein the auxiliary mechanism comprises a third screw rod adjusting mechanism (36) horizontally installed in the second conveying belt (3), a sliding platform of the third screw rod adjusting mechanism (36) is fixedly provided with two fourth air cylinders (37) with output shafts deviating from each other and parallel to the sliding direction, the outer end of the output shaft of each fourth air cylinder (37) is fixedly connected with a vertical connecting plate (38), the top of each connecting plate (38) is fixedly connected with a mounting plate (39) arranged above the second conveying belt (3), the other end of each mounting plate (39) is provided with a driving plate (40) with a W-shaped cross section and arranged vertically, and the middle parts of the two driving plates (40) are arc-shaped, and the centers of the two driving plates are horizontally arranged and face each other.

7. Dough topping machine according to claim 6, further comprising clamping means arranged outside the bottom end of the drilling blade (34), fixedly mounted at the bottom of the third connecting platform (33) and adapted to clamp the top end of the dough after pleating and to assist in creating a skirt during drilling.

8. The dough top processing device of claim 7, wherein the clamping device comprises two oppositely arranged clamping members (41), the clamping members (41) are in a semi-circular hourglass-shaped structure formed by connecting two ends of the bottom of an upper semi-circular inclined plate and a lower semi-circular inclined plate, the centers of semi-circles formed in the middle parts of the two clamping members (41) face each other, driving members (42) are further installed on the outer walls of the clamping members (41), and each driving member (42) is respectively connected with a driving mechanism (43) capable of driving the two clamping members (41) to move relatively.

9. The dough top processing equipment of claim 8, wherein the bottom end of the drilling knife (34) is in an inverted isosceles trapezoid structure, wherein the line is coincident with the center of the two clamping members (41), the inclined angle of the upper half inclined plate is not larger than the inclined angle of the side wall of the bottom end of the drilling knife (34), and the width of the bottom of the drilling knife (34) is smaller than the diameter of a circle formed by the middle part of the two clamping members (41) after contacting.

10. The dough top processing apparatus of claim 9, wherein the bottom of said drilling knife (34) is further provided with a vent knife (44) having a width less than the width of the bottom of said drilling knife (34).

Technical Field

The invention relates to food processing equipment, in particular to steamed stuffed bun processing equipment.

Background

The wheaten food is the main food category in China, and the steamed stuffed buns are very popular food in daily life. The traditional method for preparing the steamed stuffed buns is mainly characterized in that the steamed stuffed buns are made by hands to keep the shapes of folds at the tops and holes at the top ends of the steamed stuffed buns, and the steamed stuffed buns are attractive in appearance and delicious in taste.

However, how to provide a device to make the shape of the prepared steamed stuffed bun is similar to that of the manually prepared steamed stuffed bun so as to reduce labor cost and improve preparation efficiency is urgently needed by food processing manufacturers at present.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides dough top processing equipment so as to solve the technical problem that the prior art does not have the capability of mechanically preparing steamed stuffed buns.

The invention is realized by the following technical scheme:

the invention provides dough top processing equipment which comprises a machine body, wherein a first conveying belt which is horizontally arranged is installed at the front end of the machine body, a second conveying belt which is installed on the machine body is arranged at the output end of the first conveying belt, a folding mechanism which is used for folding the top of dough on the first conveying belt is arranged right above the first conveying belt, the folding mechanism is installed on the machine body through a first displacement mechanism which can drive the folding mechanism to reciprocate, an auxiliary mechanism which can push the dough on the second conveying belt to be centered is also arranged, a drilling device which can drill the top end of the dough on the second conveying belt is installed right above the second conveying belt, and the drilling device is installed on the machine body through a second displacement mechanism which can drive the drilling device to reciprocate.

Furthermore, the pleat making mechanism comprises a central shaft, the bottom of which is fixedly provided with a limiting disc, a sliding sleeve which is coaxially distributed with the central shaft and has two thin ends and a thick middle part is sleeved outside the central shaft, a locking groove for placing a locking nut is formed in the center of the top of the sliding sleeve, the top end of the central shaft penetrates from the bottom end of the sliding sleeve and then is in threaded connection with the locking nut arranged in the locking groove, a cylindrical limiting sleeve which has an annular skirt edge at the outer edge of the bottom end and is thin at the top and thick at the bottom is sleeved outside the sliding sleeve, a vertical limiting groove which is radially parallel to the limiting sleeve and penetrates through the body of the limiting sleeve and is L-shaped is uniformly formed at the thick part at the lower part of the limiting sleeve and the annular skirt edge on the whole, a pleat making knife is arranged in each limiting groove, and the pleat making knife is composed of an upper transverse part, the end part of the upper transverse part close to the center of the limiting sleeve is of a disc-shaped structure, all the disc-shaped structures are arranged in a limiting space between the top of a thinner part at the bottom of the sliding sleeve and the top of the limiting disc, the end part of the lower transverse part facing the center of the limiting sleeve is a guide plate which is wide at the top and narrow at the bottom and has a round angle at the top, the bottom of the lower transverse part is provided with an arc-shaped cutting plate which has the same extension direction as the radial direction of the limiting sleeve, inclines downwards relative to the vertical direction and is wide at the outside and narrow at the inside, the top end of the middle vertical part is rotationally connected with the hoisting mechanism, the vertical surface of the rotation track of the middle vertical part is parallel to the radial direction of the limiting sleeve, the hoisting mechanism is composed of a lower hinged part, a middle limiting part and an upper mounting part, the lower hinged part is hinged with the top end of the middle vertical, the upper mounting part is a cylindrical structure and is connected with the middle limiting part in a staggered way, the inner part of the upper mounting part is suspended, the thinner part of the limiting sleeve is sleeved with a threaded sleeve, a mounting clamping piece, a mounting sleeve and an annular limiting plate from top to bottom, the bottom of the annular limiting plate tightly pushes the top of the thicker part of the limiting sleeve, the outer edge of the annular limiting plate is uniformly provided with clamping grooves corresponding to the middle limiting parts, each middle limiting part is arranged in the corresponding clamping groove, and the suspended part of the upper mounting part is erected at the top of the annular limiting plate, the upper mounting parts are all embedded in the bottom of the mounting sleeve, the threaded sleeve is in threaded connection with the top end of the limiting sleeve, the top end of the sliding sleeve is arranged right above the limiting sleeve, an annular limiting ring is further arranged on the outer edge of the sliding sleeve, and the outer diameter of the annular limiting ring is larger than the inner diameter of the limiting sleeve.

Further, first displacement mechanism is including installing the first screw rod adjustment mechanism that is used for adjusting the whole vertical direction upper height of pleat knife of system on organism front end, install the first cylinder that the output shaft is perpendicular decurrent on first screw rod adjustment mechanism's the upper and lower sliding platform's the front end, the bottom of first cylinder output shaft and the one end fixed connection that is used for connecting the first connecting platform of installation clamping piece, the top of first connecting platform still is provided with vertical frame, the vertical decurrent second cylinder of output shaft is installed to vertical frame's front end, the output shaft of second cylinder is connected with the one end that is used for centre gripping to slide the second connecting platform of the thinner department part in sleeve top, and first cylinder drives the whole reciprocating of pleat knife of system, and the second cylinder drives all pleat knives of system through sliding the sleeve and carries out axial motion.

Further, the second displacement mechanism comprises a second screw rod adjusting mechanism which is installed at the front end of the machine body and used for adjusting the overall vertical upward height of the drilling device, a third cylinder with an output shaft facing downwards is installed at the front end of an upper sliding platform and a lower sliding platform of the second screw rod adjusting mechanism, the bottom end of the output shaft of the third cylinder is fixedly connected with one end of a third connecting platform used for installing the drilling device, and the drilling device is installed on the third connecting platform.

Further, the drilling device specifically comprises a vertically arranged drilling cutter and a driving device, the driving device is fixedly mounted on the third connecting platform, and an output shaft of the driving device is fixedly connected with the vertically arranged drilling cutter and drives the drilling cutter to rotate around a shaft.

Further, complementary unit includes the third screw rod adjustment mechanism of horizontal installation in the second conveyer belt, fixed mounting has two output shafts to deviate from each other and all with the fourth cylinder that the slip direction is parallel on third screw rod adjustment mechanism's the sliding platform, the outer end of every fourth cylinder output shaft all with vertical connecting plate fixed connection, the top of every connecting plate respectively with a mounting panel fixed connection who sets up in the second conveyer belt top, the drive plate that the cross section is W type and vertical setting is all installed to every mounting panel other end, two the middle part of drive plate is arc and the horizontal setting of the two centre of a circle and orientation each other.

Further, still include the setting in the drilling sword bottom end outside, fixed mounting just is used for the centre gripping to make the back group top of pleat and the supplementary clamping device who generates the shirt rim when drilling at third connecting platform bottom.

Further, clamping device includes the holder of two relative settings, the holder specifically is the semicircle hourglass type structure that constitutes by both ends link to each other on upper portion semicircle hang plate and the lower part semicircle hang plate, and the semicircle centre of a circle that two holder middle parts formed is towards each other, still install the driving piece on the outer wall of holder, every driving piece is connected with the actuating mechanism that can drive two holder relative motion respectively.

Further, the bottom of drilling sword is inversion isosceles trapezoid structure, and its central line and two holder center departments coincide, and the inclination of first one hang plate is not more than drilling sword bottom lateral wall inclination, and drilling sword bottom width is less than the diameter that two holders contacted back middle part formation circles.

Further, the bottom of the drilling knife is also provided with a gas hole knife with the width smaller than that of the bottom of the drilling knife.

Compared with the prior art, the invention has the following advantages: the invention provides dough top processing equipment which can realize the purpose of mechanically preparing steamed stuffed buns; meanwhile, the pleat making mechanism provided by the invention can effectively process the pleats at the top of the steamed stuffed bun, the number of the pleats can be set according to the requirement, and meanwhile, the mechanism has a compact and stable structure and can effectively process the pleats; the top of the steamed stuffed bun can be effectively drilled through the drilling device, so that the prepared steamed stuffed bun is similar to a manual shape as much as possible; meanwhile, by arranging the clamping device, the top end of the steamed stuffed bun with the wrinkled surface can be effectively clamped, and then the top skirt edge can be effectively formed by means of the drilling knife, so that the similarity degree with the manually prepared steamed stuffed bun is further increased, and the air hole knife can be used for effectively drilling holes, so that the steamed stuffed bun is conveniently steamed; the invention can effectively prepare steamed stuffed buns, and the prepared shape is similar to that of manual preparation.

Drawings

FIG. 1 is a perspective view of a dough top processing apparatus provided in example 1;

FIG. 2 is a perspective view of the pleating mechanism provided in example 1;

FIG. 3 is an exploded cross-sectional view of the pleating mechanism provided in example 1 without the pleating knife and the sling mechanism;

FIG. 4 is a perspective view of the pleating knife and the lifting structure provided in example 1;

fig. 5 is a perspective view of a first displacement mechanism provided in embodiment 1;

fig. 6 is a perspective view of a second displacement mechanism provided in embodiment 1;

FIG. 7 is a perspective view of an assist mechanism provided in embodiment 1;

FIG. 8 is a top view of the holding apparatus according to example 2;

FIG. 9 is a partial mechanism front view of a holder and a drilling blade provided in embodiment 2;

in the figure: 1. a body; 2. a first conveyor belt; 3. a second conveyor belt; 4. a limiting disc; 5. a central shaft; 6. a sliding sleeve; 7. locking the nut; 8. a limiting sleeve; 9. a limiting groove; 10. an upper transverse portion; 11. a middle vertical portion; 12. a lower transverse portion; 13. a wafer-like structure; 14. a guide plate; 15. arc-shaped cutting plates; 16. a lower hinge portion; 17. a middle stopper portion; 18. an upper mounting portion; 19. a threaded sleeve; 20. installing a clamping piece; 21. installing a sleeve; 22. an annular limiting plate; 23. a card slot; 24. an annular spacing ring; 25. a first screw adjustment mechanism; 26. a first cylinder; 27. a first connection platform; 28. a vertical frame; 29. a second cylinder; 30. a second connection platform; 31. a second screw adjustment mechanism; 32. a third cylinder; 33. a third connection platform; 34. a drilling cutter; 35. a drive device; 36. a third screw adjustment mechanism; 37. a fourth cylinder; 38. a connecting plate; 39. mounting a plate; 40. a drive plate; 41. a clamping member; 42. a drive member; 43. a drive mechanism; 44. a gas hole cutter.

Detailed Description

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.

With reference to fig. 1-9, this embodiment provides a dough top processing apparatus, including a machine body 1, a first conveying belt 2 horizontally disposed is installed at the front end of the machine body 1, a second conveying belt 3 installed on the machine body 1 is installed at the output end of the first conveying belt 2, a pleat making mechanism for making pleats at the top of dough thereon is installed right above the first conveying belt 2, the pleat making mechanism is installed on the machine body 1 through a first displacement mechanism capable of driving the pleat making mechanism to perform reciprocating motion, an auxiliary mechanism capable of pushing the dough on the second conveying belt 3 to center the dough making mechanism is also installed right above the second conveying belt 3, a drilling device capable of drilling the top end of dough thereon is installed right above the second conveying belt 3, and the drilling device is installed on the machine body 1 through a second displacement mechanism capable of driving the drilling device to perform reciprocating motion.

In this embodiment, the first conveyor belt 2 and the second conveyor belt 3 are both conveyor belts having quick release structures.

The object of preparation is the steamed stuffed bun in this embodiment, and after putting into first conveyer belt 2 with the dough of filling on, first conveyer belt 2 transports it to under the system pleat mechanism, and first displacement mechanism drives system pleat mechanism operation and makes the pleat to the dough top, and after system pleat is accomplished, the dough is transported to drilling equipment under through second conveyer belt 3 after, and drilling equipment drills the dough top through the motion of second displacement mechanism to accomplish the system pleat of dough and the processing step of drilling.

In particular, in this embodiment, referring to fig. 2-4, the pleat making mechanism includes a central shaft 5 having a bottom portion fixedly mounted with a limiting disc 4, a sliding sleeve 6 coaxially disposed outside the central shaft 5 and having two thin ends and a thick middle portion, a locking groove for placing a locking nut 7 is disposed at the center of the top portion of the sliding sleeve 6, the top end of the central shaft 5 is threaded into the locking groove from the bottom end of the sliding sleeve 6, a cylindrical limiting sleeve 8 having a ring-shaped skirt at the outer edge of the bottom end and a thin upper portion and a thick lower portion is disposed outside the sliding sleeve 6, an L-shaped limiting groove 9 is uniformly disposed at the thick lower portion of the limiting sleeve 8 and the ring-shaped skirt, the L-shaped limiting groove 9 is vertically disposed in parallel with the limiting sleeve 8 in the radial direction and penetrates the body, a pleat making knife is disposed in each limiting groove 9, and the pleat making knife includes an upper transverse portion 10, The hoisting mechanism comprises a middle vertical part 11 and a lower transverse part 12, the end part of the upper transverse part 10 close to the center of the limiting sleeve 8 is a disc-shaped structure 13, all the disc-shaped structures 13 are arranged in a limiting space between the top of the thinner part at the bottom of the sliding sleeve 6 and the top of the limiting disc 4, the top of the end part of the lower transverse part 12 facing the center of the limiting sleeve 8 is a guide plate 14 which inclines upwards and faces the center of the limiting sleeve 8, the bottom of the lower transverse part 12 is provided with an arc-shaped cutting plate 15 which has the same extension direction as the radial direction of the limiting sleeve 8, inclines downwards relative to the vertical direction and is wide and narrow inside, the top end of the middle vertical part 11 is rotatably connected with the hoisting mechanism, the vertical surface of the rotating track is in radial parallel with the limiting sleeve 8, the hoisting mechanism specifically comprises a lower hinged part 16, a middle limiting part 17 and an upper mounting part 18, the lower hinged part 16, the middle limiting part 17 is a strip-shaped columnar structure with parallel vertical walls on two sides, the upper mounting part 18 is a cylindrical structure and is connected with the middle limiting part 17 in a staggered manner, the inner part of the middle limiting part is suspended, the thinner part of the limiting sleeve 8 is sleeved with a threaded sleeve 19, a mounting clamping piece 20, a mounting sleeve 21 and a ring limiting plate 22 from top to bottom, the bottom of the ring limiting plate 22 tightly props against the top of the thicker part of the limiting sleeve 8, the outer edge of the ring limiting plate 22 is uniformly provided with clamping grooves 23 corresponding to the middle limiting part 17, each middle limiting part 17 is arranged in the corresponding clamping groove 23, the suspended part of the upper mounting part 18 is erected at the top of the ring limiting plate 22, the upper mounting parts 18 are all embedded in the bottom of the mounting sleeve 21, the threaded sleeve 19 is in threaded connection with the top end of the limiting sleeve 8, the top end of the sliding sleeve 6 is arranged right above the limiting sleeve 8, and the outer edge of the sliding sleeve, and the outer diameter of the annular stop collar 24 is greater than the inner diameter of the stop sleeve 8.

The mounting steps of the pleat making mechanism are mainly as follows: firstly, preparing pleating knives, wherein the number of the pleating knives is 24 in the embodiment, each pleating knife is composed of an upper transverse part 10, a middle vertical part 11 and a lower transverse part 12, the outer end of the upper transverse part 10 is connected with the top of the middle vertical part 11, the bottom end of the middle vertical part 11 is connected with the top of the outer end of the lower transverse part, the three parts can be of an integrated structure or a split structure, and in the embodiment, the pleating knife structure of the embodiment is combined with fig. 4 in order to facilitate the processing of equipment;

in this embodiment, for the purpose of pleat formation, it is necessary to have a structure capable of performing an internal pressure operation on a local area of the top of the steamed stuffed bun (the local area is linear in combination with the shape of the steamed stuffed bun), and at the same time, in order to cause an impression rotation effect (the wrinkles on the steamed stuffed bun are not straight but rotated), so that for the purpose, the bottom of the lower transverse portion 12 is provided with an arc-shaped cutting plate 15 which has an outer width and an inner width and is inclined downward relative to the vertical direction in the same radial direction as the extending direction of the limiting sleeve 8, and by this arrangement, when the lower transverse portion 12 is driven to perform the axial movement, the inner end of the lower transverse portion 12 first contacts the top of the steamed stuffed bun and then the arc-shaped cutting plate 15 continues to be pressed, and in combination with the inclined arc-shaped pressing plate 15 and the arrangement of the outer width and the inner width, the generated impression is gradually deviated from the radial direction to the non-pressed area, thereby generating, the phenomenon that the wrapper on two sides is generated in the non-compression area close to the compression area is closer to the effect of manual making, and the number of pleats can be effectively adjusted according to the number of the pleat making knives, so that the purpose of pleat making is achieved;

in particular, in the present embodiment, in order to combine the dough top to form a hemispherical structure, so that the wrinkles can be smoothly prepared, the end of the lower transverse portion 12 facing the center of the limiting sleeve 8 is specifically a guide plate 14 which is wide at the top and narrow at the bottom and has a round top;

through the arrangement, when the lower transverse part 12 is horizontally arranged, the indentations generated at the top of the inner dough in the space enclosed by the pleating knife are uniform and consistent (the upper width and the lower width of the guide plate 14 are combined with the spherical shape of the top of the dough, so that the indentations are uniform when in initial contact), when the inner end of the lower transverse part 12 is driven by external force to tilt upwards and move around the shaft, the arc-shaped cutting plate 15 is gradually contacted with the dough from the inner end to the outer end, the indentations generated on the initial guide plate 14 are further expanded, and simultaneously the dough part corresponding to the indentations can be gradually inclined and extended downwards by combining the characteristic that the indentations are inclined downwards, so that the effect of laminated folds is generated, and the folds are shallow on the upper part and deep on the lower part and are inclined on the positions due to the narrow inner width and the outer width of the arc-shaped cutting plate 15, so that the inclined rotating effect is generated, and the;

in particular, in this embodiment, after the pleating knives are ready to be supported effectively to enable the pleating knives to operate stably, each pleating knife is hung on a corresponding hanging mechanism, each hanging mechanism is composed of a lower hinged part 16, a middle limiting part 17 and an upper mounting part 18 in this embodiment, the three parts are in an integral structure in this embodiment, the lower hinged part 16 is hinged with the top end of the middle vertical part 11, so that the pleating knives can be hung effectively, after the pleating knives are hung on the lower hinged part 16, the pleating knives need to be limited and fixedly mounted to avoid instability in the operation process, in this embodiment, the middle limiting part 17 is specifically a columnar structure with parallel vertical walls arranged on two sides, and the pleating knives on the lower part can be stabilized only by limiting the middle limiting part 17, in order to limit all the middle limiting parts 17 and make all the pleat knives enclose a circle to facilitate pleat making, in this embodiment, the outer edge of the ring-shaped limiting plate 22 is further provided with clamping grooves 23 corresponding to the middle limiting parts 17, so that each middle limiting part 17 can be effectively limited and prevented from rotating by being installed in the corresponding clamping groove 23;

in particular, in the present embodiment, in order to avoid the middle limiting part 17 from sliding up and down, the upper mounting part 18 is specifically of a cylindrical structure and is connected with the middle limiting part 17 in a staggered manner, the inner part of the upper mounting part is suspended, after the middle limiting part 17 is mounted, the inner wall of the upper mounting part is only required to be tightly pressed against the inner wall of the clamping groove 23, so that the suspended part of the upper mounting part 18 is erected in the ring limiting plate 22, and the middle limiting part 17 can be prevented from moving down relative to the sliding limiting plate 22, and meanwhile, in order to avoid the upper limiting part from moving up, the mounting sleeve 21 is further provided in the present embodiment, all the upper mounting parts 18 are embedded in the mounting sleeve 21, and the upper ends of the upper mounting parts respectively tightly press against the;

in particular, in order to effectively support and limit the annular limiting plate 22 and the mounting sleeve 21 and enable the pleating knife to effectively contact with the top of the dough, in the embodiment, the cylindrical limiting sleeve 8 is provided, the outer edge of the bottom end of the limiting sleeve is provided with an annular skirt edge, the upper part of the limiting sleeve is thin, the lower part of the limiting sleeve 8 is thick, the annular skirt edge and the whole formed by the thick part at the lower part of the limiting sleeve 8 are uniformly provided with L-shaped limiting grooves 9 which are vertical, are radially parallel to the limiting sleeve 8 and penetrate through the body of the limiting sleeve, each limiting groove 9 is internally provided with the pleating knife, the lower transverse part 12 of the pleating knife is arranged in the skirt edge, when the guide plate 14 is horizontal, the guide plate 14 can effectively contact with the top of the dough, when the guide plate is driven to move around a shaft, the subsequent arc-shaped cutting plate 14 can also effectively contact with the dough skirt edge so as to realize the pleating purpose, the central transverse portion 12 is partially disposed directly above the skirt. In order to effectively erect the annular limiting plate 22 to achieve the purpose of supporting the annular limiting plate 22, in the embodiment, the main body part of the limiting sleeve 8 is provided with a structure which is thin at the top and thick at the bottom, so that the annular limiting plate 22 is sleeved at the bottom of the thin part at the upper part of the limiting sleeve 8, meanwhile, the mounting sleeve 21 is pressed downwards, the lower structure of the mounting sleeve can be in close contact with the mounting sleeve, and after the mounting sleeve is locked by the threaded sleeve 19, the pleating knife can be effectively limited and stably mounted;

in particular, in order to drive the lower transverse portion 12 to perform the axial movement, the present embodiment drives the inner end of the upper transverse portion 10 to achieve the purpose of driving the lower transverse portion 12 to perform the axial movement, and therefore, a sliding sleeve 6 is further provided, the sliding sleeve 6 is disposed in the limiting sleeve 8 and can freely slide up and down, and in the present embodiment, for the convenience of installation and formation of the limiting space, the sliding sleeve 6 is made thin at two ends and thick in the middle, in order to avoid the limiting sleeve 8 from sliding out from top to bottom when in use, in the present embodiment, the top of the sliding sleeve 6 is provided with an annular limiting ring 24 (both are an integral structure), after the bottom end of the sliding sleeve 6 is assembled into the limiting sleeve 8 from top to bottom, in order to form the limiting space, the central shaft 5 of the disk 4 to be limited at the bottom is disposed in the present embodiment, after the top end of the central shaft 5 is inserted into the sliding, the relative position of the limiting disc 4 and the sliding sleeve 6 can be effectively locked, a limiting space is formed at the thinner part of the lower part of the limiting disc 4 and the sliding sleeve 6, the upper transverse part 10 can be effectively limited and driven, in order to reduce the friction force in the driving process, in the embodiment, the end part of the upper transverse part 10 close to the center of the limiting sleeve 8 is a disc-shaped structure 13, and all the disc-shaped structures 13 are arranged in the limiting space between the thinner part of the bottom of the sliding sleeve 6 and the top of the limiting disc 4;

through the arrangement, when the sliding sleeve 6 moves up and down, all the disc-shaped structures 13 can be limited through the limiting space formed by the limiting disc 4 and the top end of the thinner part at the bottom of the limiting disc, so that the disc-shaped structures can be driven to synchronously reciprocate up and down, the pleating knife is effectively driven to move around the shaft, and the pleating purpose is achieved;

the operation principle and the installation process of the folding mechanism of the embodiment are described above.

In particular, in order to effectively drive the pleat making mechanism, in the present embodiment, the first displacement mechanism includes a first screw rod adjusting mechanism 25 mounted on the front end of the machine body 1 for adjusting the height of the pleat making mechanism in the whole vertical direction, a first cylinder 26 with an output shaft vertically downward is mounted on the front end of the up-and-down sliding platform of the first screw rod adjusting mechanism 25, the bottom end of the output shaft of the first cylinder 26 is fixedly connected with one end of a first connecting platform 27, in the present embodiment, a limit sleeve 8 is mounted for effective erection, a mounting clip 20 is further sandwiched between the threaded sleeve 19 and the mounting sleeve 21, the mounting clip 20 is mounted on the first connecting platform 27, the position of the mounting clip can be relatively adjusted by bolts and the like, in the present embodiment, in order to drive the sliding sleeve 6 to complete pleat making, the top of the first connecting platform 27 is further provided with a vertical frame 28, the front end of the vertical frame 28 is provided with a second cylinder 29 with an output shaft vertically downward, the output shaft of the second cylinder 29 is connected with one end of a second connecting platform 30 used for clamping the thinner part at the top of the sliding sleeve 6, the first cylinder 26 drives the whole folding mechanism to move up and down, and the second cylinder 29 drives all folding knives to move around the shaft through the sliding sleeve 6.

Through the arrangement, the purpose of pleat making can be effectively realized, namely, after the dough moves to the position right below the pleat making mechanism, the pleat making mechanism moves downwards integrally under the driving of the first air cylinder 26 (all pleat making knives are in outward scattering shapes in the process, namely, the second air cylinder 29 drives the sliding sleeve 6 to move downwards to the limit, the outer end of the lower transverse part 12 tilts outwards), after the dough moves downwards to the set position, the second air cylinder 29 drives the sliding sleeve 6 to move upwards to drive the pleat making knives to make pleats, after the pleat making, the second air cylinder 29 moves downwards again to open the pleat making knives, the first air cylinder 26 drives the equipment to move upwards integrally, and the next dough is transported to finish the whole operation;

the first screw adjusting mechanism 25 is composed of a screw, two guide rods, two transverse supporting pieces and a sliding platform, is the same as the traditional screw adjusting mechanism, the middle part of the sliding platform is sleeved on the screw and is in threaded connection with the screw, the two horizontal ends of the sliding platform are respectively sleeved on the two guide rods for guiding (with the attached drawing), and through the arrangement, the overall height of the pleat making mechanism can be effectively adjusted, so that the application range of the device can be improved.

After pleating is complete, the top of the dough needs to be drilled for later steaming, and in order to achieve this, in this embodiment, the second displacement mechanism includes a second screw rod adjusting mechanism 31 (having the same structure as the first screw rod adjusting mechanism 25) installed at the front end of the machine body 1 for adjusting the height of the drilling device in the whole vertical direction, a third cylinder 32 with an output shaft vertically downward is installed at the front end of an up-and-down sliding platform of the second screw rod adjusting mechanism 31, the bottom end of the output shaft of the third cylinder 32 is fixedly connected with one end of a third connecting platform 33 for installing the drilling device, the drilling device is installed on the third connecting platform 33, the drilling device is specifically composed of a vertically arranged drilling knife 34 and a driving device 35, the driving device 35 (the driving device 35 is a motor in this embodiment) is fixedly installed on the third connecting platform 33, the output shaft of which is fixedly connected with a vertically arranged drilling knife 34 and drives it to rotate around the shaft.

Through above-mentioned setting, can effectually drill hole to the dough top.

In particular, in order to avoid the non-centered drilling position, in the present embodiment, the auxiliary mechanism includes a third screw adjusting mechanism 36 (having the same structure as the first screw adjusting mechanism 25) horizontally installed in the second conveyor belt 3, a sliding platform of the third screw adjusting mechanism 36 is fixedly installed with two fourth cylinders 37 whose output shafts are away from each other and are parallel to the sliding direction, the outer end of the output shaft of each fourth cylinder 37 is fixedly connected with a vertical connecting plate 38, the top of each connecting plate 38 is fixedly connected with a mounting plate 39 respectively arranged above the second conveyor belt 3, the other end of each mounting plate 39 is installed with a driving plate 40 whose cross section is W-shaped and vertically arranged, the middle portions of the two driving plates 40 are arc-shaped, and the centers of the two driving plates are horizontally arranged and face each other.

Through the arrangement, the dough can be effectively driven to the position right below the drilling device by the two driving plates 40, and the positions of the two driving plates 40 relative to the second conveying belt 3 can be adjusted by adjusting the third screw adjusting mechanism 36, so that the purpose of adaptive adjustment is achieved.