CN210312323U - Turning mechanism of haw cake assembly line - Google Patents

Abstract

The utility model relates to the field of food processing equipment, and discloses a turn-over mechanism of a hawthorn cake production line, which comprises a material turning frame, wherein two ends of the material turning frame are respectively provided with a clamping mechanism for clamping the edge of a hawthorn cake, a first fixing plate for fixing the clamping mechanism is arranged between the material turning frame and the clamping mechanism, the first fixing plate is provided with a first driving structure for driving the clamping mechanism to rotate, and the rotating axis of the clamping mechanism is parallel to the edge of the hawthorn cake to be clamped; the material turning frame is also provided with a second driving structure for driving the two first fixing plates to approach or depart from each other; the turnover mechanism also comprises a third driving structure for driving the turnover frame to lift, the third driving structure comprises a second fixing plate for fixing the turnover frame, a fourth driving structure for driving the turnover frame to turn over is arranged on the second fixing plate, and the rotating axis of the turnover frame is positioned on the central symmetry line of the two clamping mechanisms; the turnover mechanism also comprises a fifth driving structure for driving the second fixing plate to transversely move.

Description

Turning mechanism of haw cake assembly line

Technical Field

The utility model relates to a food processing machinery field especially relates to a turn-over mechanism of haw cake assembly line.

Background

The hawthorn slices are food prepared from hawthorn as a raw material, and have the effects of tonifying spleen and stimulating appetite. The product is a round thin slice, and has bright color, uniform thickness and moderate quality. The sugar content is 85%, the reducing sugar content is 9%, the total acid content is 1.5%, the beverage also contains rich nutritional ingredients such as protein, fat, calcium, ferrophosphorus, vitamin C and the like, and has the effects of promoting the secretion of saliva or body fluid, stimulating the appetite, aiding digestion, reducing blood pressure and blood fat and the like after eating.

The current production of haw flakes basically depends on manual operation as a main part, and the production flow comprises the following steps: pulping, spreading, baking, cutting, and packaging. In the production process, the labor intensity is very high due to the physical labor of workers. In view of the above problems, an automated production line for producing hawthorn cakes is disclosed in chinese patent with application number CN206620788U entitled "hawthorn cake production line", wherein the main processes are pulping, spreading, baking, cutting and packaging. However, in the actual production process, the working procedures are as follows: pulping, spreading cake, baking the first surface, turning over, baking the second surface, cutting and packaging. Two times of baking are needed, after the cakes are spread, the slurry-shaped hawthorn cakes are spread on the glass plate and then enter a baking room, one surface of the slurry, which is in contact with the glass plate, cannot be baked normally, if the hawthorn cakes on one surface, which is attached to the glass plate, are all baked, the surface, which faces upwards, of the slurry can be scorched, so that in order to realize two-surface baking, one surface needs to be baked firstly, and then the other surface is baked after the hawthorn cakes are turned over.

In the prior art, the turning-over of the hawthorn cake is usually performed manually, one side of the hawthorn cake is pulled up, then the whole hawthorn cake is pulled up from a glass plate by hands, then the hawthorn cake is quickly turned over, and then the turned-over hawthorn cake is spread on the glass plate to complete the turning-over. In the process, as the two corners of one side of the hawthorn cake are usually lifted by hands, in the tearing process, the meshing force between the hawthorn cake and the glass plate is unstable, and partial adhesion is easy to occur, so that part of the hawthorn cake is withdrawn when the hawthorn cake is pulled upwards, and part of the hawthorn cake is still adhered, and finally the problem of tearing the hawthorn cake is caused, and then the partially adhered hawthorn cake needs to be pulled up and turned over for the second time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem of among the prior art to artifical turn-over haw cake inefficiency, with big costs, effect difference, provide one kind can be on automatic assembly line, carry out the turn-over mechanism of automatic turn-over to the haw cake on the glass board.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a turnover mechanism of a hawthorn cake production line comprises a material turnover frame, wherein two ends of the material turnover frame are respectively provided with a clamping mechanism for clamping the edge of a hawthorn cake, a first fixing plate for fixing the clamping mechanism is arranged between the material turnover frame and the clamping mechanism, the first fixing plate is provided with a first driving structure for driving the clamping mechanism to rotate, and the rotating axis of the clamping mechanism is parallel to the edge of the hawthorn cake to be clamped; the material turning frame is also provided with a second driving structure for driving the two first fixing plates to approach or depart from each other; the turnover mechanism also comprises a third driving structure for driving the turnover frame to lift, the third driving structure comprises a second fixing plate for fixing the turnover frame, a fourth driving structure for driving the turnover frame to turn over is arranged on the second fixing plate, and the rotating axis of the turnover frame is positioned on the central symmetry line of the two clamping mechanisms; the turnover mechanism also comprises a fifth driving structure for driving the second fixing plate to transversely move.

By adopting the scheme, the second driving structure controls the clamping mechanisms to mutually approach for a certain distance until the clamping parts of the clamping mechanisms clamp the hawthorn cakes on the glass plate, then the third driving structure controls the material overturning frame to ascend, and meanwhile, the second driving structure continuously controls the clamping mechanisms to mutually approach, so that the separation between the hawthorn cakes and the glass plate is easier; the third driving structure controls the material turning frame to ascend until the hawthorn cakes are completely separated from the glass plate, and the second driving structure reversely controls the clamping mechanisms to be away from each other until the hawthorn cakes are approximately leveled; then the fourth driving structure controls the material turning frame to turn 180 degrees to complete the turning of the hawthorn cakes, finally the fifth driving structure controls the transverse movement of the material turning frame to enable the hawthorn cakes to enter the upper part of the other glass plate, the third driving structure is controlled to enable the material turning frame to move downwards to enable the hawthorn cakes to be approximately attached to the glass plate, the clamping mechanism is controlled to release the clamping of the hawthorn cakes, and the placement of the hawthorn cakes after the turning is completed; through the process, the manual work is completely replaced by the machine, and the manpower is liberated.

Preferably, the clamping mechanism comprises a clamping frame, one end of the clamping frame is rotatably connected with the first fixing plate, a leaning rod and a rotating pressing sheet are arranged between one end of the clamping frame far away from the first fixing plate and the end close to the first fixing plate, the rotating pressing sheet is controlled to rotate by a sixth motor, and the width distance between the rotating axis of the rotating pressing sheet and the tail end of the rotating pressing sheet is greater than the vertical distance between the rotating axis of the rotating pressing sheet and the leaning rod; when the sixth motor controls the rotary pressing piece to incline downward, the tail end of the rotary pressing piece is closer to the glass plate than the abutting rod.

Adopt above-mentioned scheme, can control through the sixth motor and rotate the preforming and be the decurrent angle of slope for initial angle, rise after this moment with turn-over mechanism complex corresponding mechanism with the lifting of glass board, it will be roof pressure on the glass board to rotate the preforming, then draw close each other through second drive structure control fixture, can make to rotate the symmetry both sides shovel of the hawthorn cake that the preforming will be located on the glass board, later the second drive structure stops the drive to fixture, the rotation of sixth cylinder drive rotation blank pressing simultaneously, mention the edge of hawthorn cake simultaneously and press on supporting the pole, the symmetry both sides of hawthorn cake will be pressed from both sides tightly at this moment and rotate the preforming and support between the pole, accomplish fixture's centre gripping to the hawthorn cake.

Preferably, the first driving structure comprises a first motor, a first stator is fixed on the first fixing plate, a second rotor is connected in the first stator through a bearing, the second rotor fixes the clamping mechanism, and the first motor drives the first stator to rotate forwards and backwards.

By adopting the scheme, the axial rotation of the clamping mechanism is controlled by the first motor, so that the angle between the clamped edge and the unclamped part of the hawthorn cake can be adjusted, when the hawthorn cake is lifted, the more the angle between the clamped edge and the unclamped part of the hawthorn cake is bent, the greater the stress concentration is, and the more easily the clamped edge and the unclamped part of the hawthorn cake are broken, so that when the hawthorn cake is lifted, the axial rotation angle of the clamping mechanism can be controlled by the first motor, the angle between the clamped edge and the unclamped part of the hawthorn cake can be adjusted, the angle is 180 degrees as much as possible, the stress concentration between the clamped edge and the unclamped part of the hawthorn cake is reduced, and the risk of mutual breakage between the clamped edge and the uncla.

Preferably, the second driving structure comprises a rotating sleeve arranged at the center of the material turning frame, two pairs of first sliding rail assemblies which are centrosymmetric with the rotating sleeve are arranged on the material turning frame, the first sliding rail assemblies are fixed along the length direction of the material turning frame, a first sliding block assembly matched with the sliding rail assemblies is arranged on each first fixing plate, second motors are arranged at two ends of the material turning frame, a screw rod is arranged between each second motor and the rotating sleeve, and a screw nut matched with the screw rod is arranged on each fixing plate.

By adopting the scheme, the second driving structure is arranged, the control of the opposite or opposite movement of the clamping mechanism is realized, the condition is provided for the clamping action of the clamping mechanism on the hawthorn cake, on the other hand, when the material turning frame ascends, the clamping mechanism also ascends, the hawthorn cake can be pulled up from the glass plate, at the moment, the second driving structure is used for controlling the clamping mechanism to be close to each other, the hawthorn cake can be more smoothly withdrawn from the glass plate, and the risk of breakage is reduced.

Preferably, the third driving structure comprises a vertical third fixing plate matched with the second fixing plate, a second sliding rail assembly in the vertical direction is arranged on the third fixing plate, a second sliding block assembly matched with the second sliding rail assembly is arranged on one side, opposite to the third fixing plate, of the second fixing plate, a third motor is arranged on the second fixing plate, a first rack in the vertical direction is further arranged on the third fixing plate, a first gear matched with the first rack is arranged on an output shaft of the third motor, and the third motor drives the second fixing plate to vertically lift relative to the third fixing plate.

By adopting the scheme, the third motor controls the forward and reverse rotation of the first gear, so that the second fixing plate is driven to vertically lift.

Preferably, the fourth driving structure comprises a fourth motor, a second stator is fixed on one surface of the second fixing plate, which is far away from the third fixing plate, a second rotor is connected to the second stator in a rotating mode, the second rotor is fixed with the center of the material turning frame, and the fourth motor drives the material turning frame to rotate.

By adopting the scheme, the forward and reverse rotation of the second rotor is controlled through the fourth motor, and the rotation state of the material turning frame is further controlled.

Preferably, the fifth driving structure comprises a cross frame matched with the third fixing plate, the cross frame comprises vertical beams arranged on two sides of the assembly line frame body and a cross beam arranged between the top ends of the vertical beams, a third sliding rail group along the length direction of the cross beam is arranged on the cross beam, a third sliding block group matched with the third sliding rail group is arranged on one surface of the third fixing plate, opposite to the cross beam, a second rack parallel to the third sliding rail group is further arranged on the cross beam, a fifth motor is arranged on the third fixing plate, a rotating shaft of the fifth motor is provided with a second gear matched with the second rack, and the fifth motor drives the third fixing plate to move transversely.

By adopting the scheme, the positive and negative rotation of the second gear is controlled through the fifth motor, and then the transverse moving state change of the third fixing plate is controlled.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: through the design of the turnover mechanism, the manual work is replaced by equipment for turning over the hawthorn cakes, the input of manpower is greatly reduced, and the turnover effect and efficiency are far better than the manual operation mode in the prior art.

Drawings

FIG. 1 is a schematic view of a part of a hawthorn cake production line with a turn-over mechanism of the present invention;

fig. 2 is an overall schematic view of the turn-over mechanism of the present invention;

fig. 3 is a schematic view of a clamping mechanism of the present invention;

fig. 4 is a schematic view of a first driving structure of the present invention;

fig. 5 is a schematic diagram of a second driving structure of the present invention;

fig. 6 is a matching diagram between the second stator and the fourth motor in the present invention;

fig. 7 is a schematic view of the second fixing plate and the third fixing plate according to the present invention;

fig. 8 is a schematic view of the third fixing plate and the cross frame according to the present invention;

fig. 9 is an exploded view of a portion of another embodiment of a clamping mechanism in accordance with the present invention.

The names of the parts indicated by the numerical references in the above figures are as follows: 11. a first fixing plate; 12. a first motor; 13. a first stator; 14. a bearing; 15. a first rotor; 16. a clamping frame; 17. carrying out rotary tabletting; 18. a leaning rod; 19. a sixth motor; 110. a seventh motor; 111. scraping a blade; 21. a material turning frame; 22. a second motor; 23. a screw rod; 24. a first slide rail assembly; 25. a first slider assembly; 26. rotating the sleeve; 31. a second fixing plate; 32. a third motor; 321. a first gear; 33. a second stator; 34. a second rotor; 35. a fourth motor; 36. a second slider assembly; 41. a third fixing plate; 42. a second slide rail assembly; 43. a first rack; 44. a fifth motor; 441. a second gear; 45. a third slider assembly; 51. erecting a beam; 52. a cross beam; 53. a third slide rail assembly; 54. a second rack.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

A turn-over mechanism of a hawthorn cake production line firstly refers to the attached figure 1, the turn-over mechanism A is arranged on the hawthorn cake production line, relates to the turn-over step of hawthorn cakes on the production line, and therefore, the description of other parts is not carried out.

Referring next to fig. 2 to 8, the turn-over mechanism includes a cross frame which extends across the width of the frame body in the assembly line, the cross frame includes two vertical beams 51 and a cross beam 52, and a third fixing plate 41 which can move across the cross beam 52 is fitted on the cross beam 52. A third slide rail assembly 53 and a second rack 54 parallel to the slide rail assembly are fixedly arranged on the cross beam 52, a third slide block assembly 45 is fixedly arranged on one surface of the third fixing plate 41 opposite to the cross beam 52, and the effect that the third fixing plate 41 can transversely move on the cross beam 52 is realized through the cooperation of the third slide block assembly 45 and the third slide rail assembly 53; the lateral movement of the third fixing plate 41 on the cross beam 52 is controlled by the fifth motor 44, the second gear 441 is fixed to the output shaft of the fifth motor 44, and the second gear 441 is bonded to the second rack 54, so that the forward and reverse rotation of the fifth motor 44 controls the lateral movement of the third fixing plate 41 on the cross beam 52.

The surface of the third fixing plate 41 facing away from the cross beam 52 is matched with the second fixing plate 31 which can vertically displace up and down at the third fixing plate 41. A vertical second sliding rail assembly 42 and a vertical first rack 43 are fixed on one surface of the third fixing plate 41, which is far away from the cross beam 52, a second sliding block assembly 36 is fixed on one surface of the second fixing plate 31, which is opposite to the third fixing plate 41, and displacement change of the second fixing plate 31 in the vertical direction is realized through the matching of the second sliding block assembly 36 and the second sliding rail assembly 42; the vertical displacement change of the second fixing plate 31 on the third fixing plate 41 is controlled by the third motor 32, the first gear 321 is fixed on the output shaft of the third motor 32, and the first gear 321 is adhered to the first rack 43, so that the vertical displacement change of the second fixing plate 31 on the third fixing plate 41 is controlled by the forward and reverse rotation of the third motor 32.

The second fixed plate 31 deviates from the one side of the third fixed plate 41 and is fixed with the second stator 33, the second stator 33 is connected with the second rotor 34 in a rotating manner, the second stator 33 is fixed with the fourth motor 35, the fourth motor 35 drives the second rotor 34 to rotate, meanwhile, the second rotor 34 is fixed with the material turning frame 21, and the rotating center of the material turning frame 21 is fixed with the second rotor 34.

One side of the material turning frame 21 departing from the second rotor 34 is symmetrically provided with two first fixing plates 11, the first fixing plates 11 are connected with the material turning frame 21 in a sliding mode, and the material turning frame 21 slides along the length direction. The material turning frame 21 is provided with a first sliding rail assembly 24 along the length direction of the material turning frame, and one surface, opposite to the material turning frame 21, of the first fixing plate 11 is provided with a first sliding block assembly 25 matched with the first sliding rail assembly 24, so that the sliding effect of the first fixing plate 11 on the material turning frame 21 along the length direction of the material turning frame is realized through the matching of the first sliding block assembly 25 and the first sliding rail assembly 24; the sliding of the first fixing plate 11 is driven to be controlled by the second motor 22, a rotating sleeve 26 is arranged at the central symmetrical position on the material turning frame 21, a left screw rod 23 and a right screw rod 23 are arranged by taking the rotating sleeve 26 as the symmetrical center, the rotation of the screw rods 23 is controlled by the second motor 22, the second motors 22 are respectively arranged at the two ends of the material turning plate, the two second motors 22 respectively control the respective screw rods 23 to rotate, and a screw nut (not shown in the figure) matched with the respective screw rods 23 is arranged on one surface of each first fixing plate 11, which is opposite to the material turning frame 21, so that when the second motor 22 controls the screw rods 23 to rotate forwards and backwards, the effect of controlling the two first fixing plates 11 to be relatively close to or away from each other is achieved.

The first stator 13 is fixed on one surface of the first fixing plate 11, which is far away from the material turning frame 21, the first stator 13 is connected with the first rotor 15 through a bearing 14, a first motor 12 for driving the first rotor 15 to rotate is arranged on the first fixing plate 11, the first stator 13 is fixed with a clamping frame 16 of a clamping mechanism, and the forward and reverse rotation of the clamping frame 16 is controlled through the first motor 12.

The clamping mechanism comprises a clamping frame 16, the outer contour of the clamping frame 16 is cylindrical, and the clamping mechanism is composed of a front end plate, a rear end plate and an arc-shaped connecting plate for connecting the two end plates. An abutting rod 18 and a rotating pressing sheet are further arranged between the front end plate and the rear end plate, the rotating pressing sheet is controlled to rotate by a sixth motor 19, and after the rotating pressing sheet rotates, the rotating pressing sheet can be in contact and abutting with the abutting rod 18.

When the glass plate turnover mechanism works, the servo motor drives the conveyor belt to convey the glass plate, when the glass plate is conveyed to the turnover station, the conveying of the glass plate needs to be suspended, and the working start-stop time of the servo motor can be controlled through program setting. When the glass plate is conveyed to the turnover station, the glass plate is controlled to ascend by the jacking mechanism, meanwhile, the inclined rotary pressing sheet presses the opposite side of the glass plate, and the rotary pressing sheet is positioned at the two symmetrical side edges of the hawthorn cake. Then the second motor 22 drives the first fixing plate 11 to relatively approach until the rotary pressing sheet of the clamping mechanism shovels two sides of the hawthorn cake on the glass plate, and then the sixth motor 19 acts to press the edge of the hawthorn cake between the rotary pressing sheet and the abutting rod 18 after the rotary pressing sheet rotates, so that the effect of clamping two sides of the hawthorn cake is achieved; then the third motor 32 controls the second fixing plate 31 to rise, and meanwhile the second motor 22 continuously controls the first fixing plate 11 to approach each other, so that the separation between the hawthorn cake and the glass plate is easier; the third motor 32 controls the second fixing plate 31 to ascend until the hawthorn cake is completely separated from the glass plate, the second motor 22 rotates reversely, and the two first fixing plates 11 are controlled to be away from each other until the hawthorn cake is approximately leveled; then the fourth motor 35 controls the material turning frame 21 to turn 180 degrees, and the turning of the hawthorn cakes is completed; and finally, controlling the transverse movement of the third fixing plate 41 by the fifth motor 44 to enable the hawthorn cakes to enter the upper part of the other glass plate outside the production line, controlling the third motor 32 to enable the second fixing frame to move downwards to enable the hawthorn cakes to be approximately attached to the glass plate, and then reversely rotating the sixth motor 19 to release the clamping of the rotary pressing sheet and the abutting plate on the hawthorn cakes, so as to finish the placement of the hawthorn cakes after turning. The above-mentioned sequential actions of each motor can be realized by the combination of PLC and the setting of relevant sensors and electromagnetic pneumatic control valves, and the details are not repeated because the part relates to the existing program software.

Example 2

A turn-over mechanism of a hawthorn cake production line is modified on the basis of embodiment 1 by a screw 23 and a second motor 22 on a turning-over frame 21 (not shown in the figure). In this embodiment 2, only one second motor 22 is disposed on the material turning frame 21, only one screw 23 is disposed, and the reverse screw 23 is adopted, i.e. the whole screw 23 with opposite threads at two ends is unchanged, so that when two first fixing plates 11 are driven to move, the purpose of simultaneous opposite or relative movement of the two first fixing plates 11 can be realized only by one second motor 22.

Example 3

A turn-over mechanism of a hawthorn cake production line is improved on the basis of embodiment 1, and referring to figure 9, a scraping structure is further arranged on a clamping mechanism. The abutment lever 18 is provided in rotational connection with the front and rear end plates, and a wiper blade 111 is fixed to the abutment lever 18, the abutment lever 18 being driven by a seventh motor 110. After the rotary pressing sheet works for a period of time, hawthorn jam can be adhered to the rotary pressing sheet, and when the hawthorn jam is not processed, the hawthorn jam can form a curled edge when the edge of the hawthorn jam is shoveled, so that the subsequent clamping step is not facilitated, and the rotary pressing sheet needs to be frequently scrubbed. After having set up the scraper structure, when needs scrape the material, sixth motor 19 at first drives and rotates the preforming and turn to and lean on pole 18, then seventh motor 110 back drive supports and leans on pole 18 to make doctor-bar 111 turn to the front of rotating the preforming, touches the front of rotating the preforming simultaneously, and then through the rotatory mode of extrusion, will be in the sauce material scraping of rotating on the preforming, accomplishes the scraping effect to rotating the preforming.

Claims (7)

1. A turn-over mechanism of a hawthorn cake production line is characterized by comprising a material turning frame (21), wherein two ends of the material turning frame (21) are respectively provided with a clamping mechanism for clamping the edge of a hawthorn cake, a first fixing plate (11) for fixing the clamping mechanism is arranged between the material turning frame (21) and the clamping mechanism, the first fixing plate (11) is provided with a first driving structure for driving the clamping mechanism to rotate, and the rotating axis of the clamping mechanism is parallel to the edge of the hawthorn cake to be clamped; the material turning frame (21) is also provided with a second driving structure for driving the two first fixing plates (11) to approach or depart from each other; the overturning mechanism further comprises a third driving structure for driving the overturning frame (21) to ascend and descend, the third driving structure comprises a second fixing plate (31) for fixing the overturning frame (21), a fourth driving structure for driving the overturning frame (21) to overturn is arranged on the second fixing plate (31), and the rotating axis of the overturning frame (21) is positioned on the central symmetry line of the two clamping mechanisms; the turnover mechanism also comprises a fifth driving structure for driving the second fixing plate (31) to transversely move.

2. The turn-over mechanism of the hawthorn cake production line as claimed in claim 1, wherein the clamping mechanism comprises a clamping frame, one end of the clamping frame is rotatably connected with the first fixing plate (11), an abutting rod (18) and a rotating pressing sheet are arranged between one end of the clamping frame far away from the first fixing plate (11) and the end close to the first fixing plate (11), the rotating pressing sheet is controlled to rotate by a sixth motor (19), and the width distance between the rotating axis of the rotating pressing sheet and the tail end of the rotating pressing sheet is greater than the vertical distance between the rotating axis of the rotating pressing sheet and the abutting rod (18); when the sixth motor (19) controls the rotary blade to tilt downward, the end of the rotary blade is lower than the abutment lever (18).

3. The mechanism of claim 1, wherein the first driving mechanism comprises a first motor (12), a first stator (13) is fixed on the first fixing plate (11), a second rotor (34) is connected in the first stator (13) through a bearing (14), the second rotor (34) is fixed on the clamping mechanism, and the first motor (12) drives the first stator (13) to rotate forward and backward.

4. The turn-over mechanism of the hawthorn cake production line as claimed in claim 1, wherein the second driving structure comprises a rotating sleeve (26) arranged at the center of the turning frame (21), two pairs of first sliding rail assemblies (24) which are centrosymmetric with the rotating sleeve (26) are arranged on the turning frame (21), the first sliding rail assemblies (24) are fixed along the length direction of the turning frame (21), a first sliding block assembly (25) matched with the sliding rail assemblies is arranged on each first fixing plate (11), second motors (22) are arranged at two ends of the turning frame (21), a screw rod (23) is arranged between each second motor (22) and the rotating sleeve (26), and a screw nut matched with the screw rod (23) is arranged on each fixing plate.

5. The mechanism of claim 1, wherein the third driving mechanism comprises a vertical third fixing plate (41) engaged with the second fixing plate (31), a second slide rail component (42) along the vertical direction is arranged on the third fixing plate (41), a second sliding block component (36) matched with the second sliding rail component (42) is arranged on one side of the second fixing plate (31) opposite to the third fixing plate (41), a third motor (32) is arranged on the second fixing plate (31), a first rack (43) along the vertical direction is further arranged on the third fixing plate (41), a first gear (321) matched with the first rack (43) is arranged on an output shaft of the third motor (32), and the third motor (32) drives the second fixing plate (31) to vertically lift relative to the third fixing plate (41).

6. The turn-over mechanism of hawthorn cake production line as claimed in claim 5, wherein the fourth driving structure comprises a fourth motor (35), a second stator (33) is fixed on the side of the second fixing plate (31) departing from the third fixing plate (41), the second stator (33) is rotatably connected with a second rotor (34), the second rotor (34) is fixed with the center of the turn-over frame (21), and the fourth motor (35) drives the turn-over frame (21) to rotate.

7. The turn-over mechanism of the haw cake production line as claimed in claim 6, wherein the fifth driving structure comprises a cross frame engaged with the third fixing plate (41), the cross frame comprises vertical beams (51) disposed at both sides of the production line frame body and a cross beam (52) crossing between the top ends of the vertical beams (51), a third slide rail group is arranged on the cross beam (52) along the length direction of the cross beam, a third slide block group matched with the third slide rail group is arranged on one surface of the third fixing plate (41) opposite to the cross beam (52), and a second rack (54) parallel to the third slide rail group is further arranged on the cross beam (52), a fifth motor (44) is arranged on the third fixing plate (41), a second gear (441) matched with the second rack (54) is arranged on a rotating shaft of the fifth motor (44), and the fifth motor (44) drives the third fixing plate (41) to transversely move.

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