Adjustable double-helix dough continuous extrusion device

Abstract

The utility model provides an adjustable double-helix dough continuous extrusion device, which relates to the technical field of food processing and comprises a control main body, two symmetrically distributed sliding rails are arranged at the upper position of the control main body, a transmission is mounted between the two sliding rails, an electric motor is mounted on the outer side of the transmission, and the electric motor is connected with the control main body. The transmission and the electric motor are matched with each other to jointly form a driving mechanism, the hopper is installed above the control body, and the supporting legs are arranged on the two sides of the hopper respectively. Through cooperation of an adjusting screw rod and an adjusting plate in the adjusting mechanism, the sectional area of the discharging channel can be flexibly changed, accurate adjustment of the dough extrusion amount is achieved, meanwhile, through combination of an electric motor and a transmission in the driving mechanism, the rotating speed of a spiral shaft can be accurately controlled, and the accuracy of the extrusion amount is further ensured; strict requirements of different cooked wheaten food products on raw material dosage are met, product quality stability is improved, and raw material waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to food processing equipment technical field especially relates to a adjustable double spiral dough continuous extrusion device. BACKGROUND

[0002] In the food processing industry, the dough extrusion forming is the key link of many noodle making, and the dough extrusion forming needs the help of dough extrusion device to complete, a spiral extrusion mechanism is arranged in the traditional dough extrusion device and is extruded to the dough, but the traditional dough extrusion device has many deficiencies as follows:

[0003] On the one hand, the traditional dough extrusion device mostly adopts the simple structure mould and is installed in the position of the outlet forming, because the structure of the mould is simple, therefore the size of the dough cannot be flexibly adjusted according to the needs, needs to be realized through the outlet die, increases the replacement cost of different dough size, and at the same time reduces the practicability of the dough extrusion device;

[0004] On the other hand, the traditional dough extrusion device mostly adopts single spiral structure, and the problems of dough blockage and uneven extrusion speed are prone to occur, which affects the production efficiency of the dough. INNOVATION CONTENT

[0005] The utility model relates to a adjustable double spiral dough continuous extrusion device, and the operator puts the dough into the inside of the hopper, determines the rotation mode of the first spiral shaft and the second spiral shaft, adjusts the meshing position of the driving gear and the driven gear and the reversing gear, rotates the adjusting screw rod, drives the up-down movement of the adjusting plate, adjusts the discharge passage sectional area, controls the rotation of the double spiral extrusion mechanism, and makes the first spiral shaft and the second spiral shaft rotate according to the set mode, so that the dough in the hopper is continuously extruded.

[0006] The utility model provides a adjustable double spiral dough continuous extrusion device, and specifically includes: a control main body is equipped with two symmetrical distribution's sliding rail in the upper position of control main body, installs a transmission in two sliding rails, installs an electric motor in the outside position of transmission, transmission, electric motor mutually cooperate common drive mechanism, installs a hopper in the upper position of control main body, is equipped with a support leg in the both sides position of hopper, opens a thread installation hole in the bottom position of support leg, installs a first spiral shaft, a second spiral shaft in the inside position of hopper, the output shaft of transmission is connected to the side of first spiral shaft, installs a discharge casing in the outside position of hopper, installs two groups of symmetrical distribution's adjusting mechanism on the side of discharge casing.

[0007] Further, a sliding groove corresponding to the sliding rail is formed in the both sides of the transmission, the sliding rail passes through the inside of the sliding groove, and a group of threaded holes are formed in the both sides of the transmission.

[0008] Further, the two sides of the first spiral shaft and the second spiral shaft are respectively provided with a rotating shaft, two groups of symmetrical rotating holes are arranged at the bottom position of the hopper, the rotating shaft penetrates the inside of the rotating hole, and the first spiral shaft and the second spiral shaft are reverse threaded structures.

[0009] Further, the rotating shaft of the first spiral shaft is provided with a sliding groove at the outer side, the sliding groove is a V-shaped structure, a driving gear is installed at the outer side of the first spiral shaft, a sliding hole corresponding to the rotating shaft is arranged at the middle position of the driving gear, and a locking bolt is installed at one side of the driving gear.

[0010] Further, the rotating shaft of the second spiral shaft is provided with a driven gear at the outer side, the driven gear is a double gear, a first positioning plate is installed at the upper position of the control body, two rotating holes are arranged at the upper position of the first positioning plate, a reversing gear is installed at the position of one of the rotating holes, and the first spiral shaft, the second spiral shaft, the driving gear, the driven gear and the reversing gear are matched to form a double spiral extrusion mechanism, and the reversing gear and the driven gear are engaged at the small diameter position.

[0011] Further, a positioning groove is arranged at the outer side of the hopper, the positioning groove is a cross-shaped structure, the discharge shell extends to the inside of the positioning groove, a group of threaded grooves are arranged at the corner of the positioning groove, a group of bolt mounting holes are arranged at the corner of the discharge shell, the bolt mounting hole is a stepped structure, two symmetrical discharge holes are arranged at the inner side of the discharge shell, the discharge hole is a cylindrical structure, and the discharge hole is communicated with the inside of the hopper.

[0012] Further, two symmetrical second positioning plates are arranged at the upper position of the discharge shell, the second positioning plate is an L-shaped structure, a nut is arranged at the upper position of the second positioning plate, an adjusting screw rod is inserted into the inside of the nut, a rotatingly connected adjusting plate is arranged at the bottom position of the adjusting screw rod, and the adjusting plate and the adjusting screw rod are matched to form an adjusting mechanism.

[0013] Further, two sliding grooves are arranged at one side of the discharge shell, the sliding groove is communicated with the discharge hole of the discharge shell, the sliding groove corresponds to the adjusting plate, and the adjusting plate extends to the inside of the sliding groove.

[0014] The adjustable double spiral dough continuous extrusion device has the following beneficial effects:

[0015] In this invention, the cross-sectional area of ​​the discharge channel can be flexibly changed by the cooperation of the adjusting screw and the adjusting plate in the adjusting mechanism, so as to achieve precise adjustment of the extrusion amount of dough. At the same time, the combination of electric motor and gearbox in the drive mechanism can accurately control the speed of the screw shaft, further ensuring the accuracy of the extrusion amount, meeting the strict requirements of different pasta products on the amount of raw materials, improving the stability of product quality, and reducing raw material waste.

[0016] This invention utilizes the reverse thread structure design of the first and second spiral shafts in the double-spiral extrusion mechanism, along with the flexible switching of various transmission ratios and rotation modes, to effectively prevent slippage and blockage of the dough during extrusion. This ensures that the dough is pushed evenly and stably to the discharge port during continuous extrusion. Furthermore, two discharge holes are provided on the discharge shell, allowing the dough inside the hopper to be extruded outward through these holes. The two discharge holes increase the extrusion volume of the dough, significantly improving the extrusion efficiency.

[0017] By adjusting the rotation mode of the spiral shaft in the twin-spiral extrusion mechanism, it can adapt to doughs with different characteristics. At the same time, different shapes of discharge ports can be replaced (the shape of the discharge hole of the discharge shell of this device can be further improved and designed according to needs for easy replacement), meeting the molding requirements of diverse pasta products and broadening the application range of the device in the field of pasta production. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0019] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0020] In the attached diagram:

[0021] Figure 1 A schematic diagram of the axial structure of the continuous extrusion device of this utility model after assembly is shown;

[0022] Figure 2 This utility model illustrates Figure 1 A schematic diagram of a partial axial side structure;

[0023] Figure 3 A side view of the disassembled structure of the continuous extrusion device of this utility model is shown;

[0024] Figure 4 This utility model illustrates Figure 1 A schematic diagram of the axonal structure from the rear view;

[0025] Figure 5 This utility model illustrates Figure 1 A top-view structural diagram;

[0026] Figure 6 The utility model discloses a hopper, the shaft side schematic diagram of cut structure of discharge casing is shown;

[0027] Figure 7 The utility model discloses a rear view angle shaft side structure schematic diagram is shown; Figure 1

[0028] Figure 8 The utility model discloses a A place enlarged structure schematic diagram of Figure 5 .

[0029] List of reference signs

[0030] 1, control main body;101, sliding rail;102, first positioning plate;

[0031] 2, drive mechanism;201, transmission;202, electric motor;

[0032] 3, hopper;

[0033] 4, double helix extrusion mechanism;401, first spiral shaft;402, second spiral shaft;403, drive gear;404, driven gear;405, reversing gear;

[0034] 5, discharge casing;501, second positioning plate;

[0035] 6, adjusting mechanism;601, adjusting plate;602, adjusting screw rod. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the following will combine the drawing of the utility model embodiment, and the technical scheme of the utility model embodiment is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the described embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0037] Embodiment one: please refer to Figures 1 to 8 :

[0038] ​The utility model provides a kind of adjustable double helical surface dough continuous extrusion device, comprising: control main body 1, the last position of control main body 1 is equipped with two symmetrical distribution sliding tracks 101, one transmission 201 is installed between two sliding tracks 101, one electric motor 202 is installed in the outside position of transmission 201, the model of electric motor 202 is selected according to need existing one servo motor, transmission 201, electric motor 202 cooperates and jointly constitutes driving mechanism 2, one and sliding track 101 corresponding sliding slot is respectively opened in the both sides position of transmission 201, sliding track 101 passes the inside of sliding slot, a group of thread holes is respectively opened in the both sides position of transmission 201, the pitch of thread hole is processed according to actual need, staff needs to install matched bolt in the position of thread hole according to prior art, the effect of transmission 201 position locking is realized after bolt fastening, the cooperation of sliding track 101 and sliding slot is achieved the convenient installation and position adjustment of transmission 201 above control main body 1;

[0039] In the embodiment, a hopper 3 is installed in the upper position of the control body 1, support legs are respectively provided at the both sides positions of the hopper 3, a threaded mounting hole is opened at the bottom position of the support leg, the operator needs to install a matched bolt at the position of the threaded hole according to the prior art, and the effect of stable installation position of the hopper 3 is realized after the bolt is fastened. A first spiral shaft 401 and a second spiral shaft 402 are installed at the inside position of the hopper 3, one side of the first spiral shaft 401 is connected with the output shaft of the transmission 201, and the operator needs to realize the circumferential positioning effect between the first spiral shaft 401 and the output shaft according to the wedge key positioning structure in the prior art, so that the transmission 201 can effectively drive the first spiral shaft 401 to rotate. The both sides of the first spiral shaft 401 and the second spiral shaft 402 are respectively provided with a rotating shaft, two groups of symmetrically distributed rotating holes are opened at the bottom position of the hopper 3, the rotating shaft passes through the inside of the rotating hole, the first spiral shaft 401 and the second spiral shaft 402 are of reverse thread structure, the reverse thread structure design enables the first spiral shaft 401 and the second spiral shaft 402 to cooperate with each other during rotation, efficiently pushes the dough, avoids the accumulation and jamming of the dough in the hopper 3, guarantees the smoothness and continuity of the dough extrusion process, a sliding slot is opened at the outside of the rotating shaft of the first spiral shaft 401, the sliding slot is of a V-shaped structure, a driving gear 403 is installed at the outside position of the first spiral shaft 401, a sliding hole corresponding to the rotating shaft is opened at the middle position of the driving gear 403, the setting of the sliding slot realizes the circumferential positioning effect between the rotating shaft and the driving gear 403, so that the driving gear 403 can rotate synchronously with the first spiral shaft 401, the driving gear 403 can be transversely displaced to adjust the meshing position in cooperation with the sliding slot, a locking bolt is installed on one side of the driving gear 403, and the operator can realize the position locking effect of the driving gear 403 after fastening the locking bolt;

[0040] In this embodiment, the rotation axis of the second screw shaft 402 is installed with a driven gear 404 at the outer position. The driven gear 404 is a double gear, and the driven gear 404 can realize two transmission ratios. A first positioning plate 102 is installed at the upper position of the control body 1. Two rotating holes are opened at the upper position of the first positioning plate 102. One of the rotating holes is installed with a reversing gear 405. The first screw shaft 401, the second screw shaft 402, the drive gear 403, the driven gear 404, and the reversing gear 405 cooperate to form a double-screw extrusion mechanism 4. The operator refers to the horizontal positioning structure of the rotating hole in the prior art to horizontally position the rotating position of the reversing gear 405. After the large-diameter position of the drive gear 403 and the driven gear 404 is engaged, the first screw shaft 401 and the second screw shaft 402 can be synchronously and reversely rotated to extrude the dough outward. When the drive gear 403 slides and engages with the reversing gear 405, the first screw shaft 401 can drive the second screw shaft 402 to rotate in the same direction at this time. This diversified transmission mode enables the double-screw extrusion mechanism 4 to adjust the rotation mode of the screw shaft according to different dough characteristics and production process requirements, effectively avoids the problems of dough slipping and blocking during the extrusion process, improves the efficiency and quality of dough extrusion, and meets the diversified production needs.

[0041] In this embodiment, a discharge housing 5 is installed at the outer position of the hopper 3. A positioning groove is opened at the outer side of the hopper 3. The positioning groove has a cross-shaped structure. One side of the discharge housing 5 extends to the inside of the positioning groove. A group of threaded grooves are opened at the corners of the positioning groove. The pitch of the threaded grooves is processed according to actual needs. A group of bolt mounting holes are opened at the corners of the discharge housing 5. The bolt mounting holes have a stepped structure. The staff needs to install a matching bolt between the threaded groove and the bolt mounting hole according to the prior art. After the bolt is installed, the hopper 3 and the discharge housing 5 are stably assembled. The setting of the bolt facilitates the disassembly and assembly of the discharge housing 5. Two symmetrically distributed discharge holes are opened at the inner position of the discharge housing 5. The discharge holes have a cylindrical structure. The discharge holes are respectively communicated with the inside of the hopper 3. The dough inside the hopper 3 can pass through the discharge holes and be extruded outward. The setting of the two discharge holes can increase the extrusion amount of the dough. Two groups of symmetrically distributed adjusting mechanisms 6 are installed on one side of the discharge housing 5.

[0042] In this embodiment, two symmetrically distributed second positioning plates 501 are provided above the discharge housing 5. The second positioning plates 501 have an L-shaped structure. A nut is provided above the second positioning plates 501. The nut is welded to the upper position of the second positioning plates 501 using welding technology in the prior art. An adjusting screw 602 is inserted inside the nut, and the adjusting screw 602 and the nut are connected by internal threads. The specific thread engagement structure is as described in the prior art. An adjusting plate 601 is rotatably connected to the bottom of the adjusting screw 602. The adjusting plate 601 and the adjusting screw 602 cooperate to form the adjusting mechanism 6. The upper and lower positioning structures of the adjusting screw 602 and the adjusting plate 601 are set according to the prior art, so that the adjusting screw 602 can control the adjustment when rotating. The section plate 601 moves stably up and down. Two sliding grooves are opened on one side of the discharge housing 5. The sliding grooves are connected to the discharge hole of the discharge housing 5. The sliding grooves correspond to the adjusting plate 601, which extends into the interior of the sliding grooves. The sliding grooves achieve the effect of circumferential and lateral positioning of the adjusting plate 601, enabling the adjusting plate 601 to move stably up and down. By rotating the adjusting screw 602, the adjusting plate 601 can be driven to move up and down, thereby changing the cross-sectional area of ​​the discharge channel. When it is necessary to increase the extrusion amount of dough, the adjusting plate 601 is moved upward to increase the cross-sectional area of ​​the discharge channel; conversely, when it is necessary to reduce the extrusion amount of dough, the adjusting plate 601 is moved downward to reduce the cross-sectional area of ​​the discharge channel. This structure can conveniently and quickly achieve fine adjustment of the extrusion amount of dough to meet the production needs of different products.

[0043] Example 2, based on Example 1, with reference to Figures 1 to 8 As shown, the number of gear transmissions inside the gearbox 201 is selected according to actual needs. The internal gear transmission structure of the gearbox 201 directly selects a simple model in the prior art. The operator needs to refer to the prior art to firmly assemble the drive shaft of the electric motor 202 and the rotating shaft of the gearbox 201. The assembly structure refers to the wedge key positioning structure of the prior art, so that the gearbox 201 can effectively reduce the speed of the electric motor 202.

[0044] Example 3, based on Example 1, with reference to Figures 1 to 8 Figures 1 to 8 As shown, a control button based on existing technology needs to be set on the basis of the control body 1, and the control button is electrically connected to the electric motor 202 in accordance with existing technology. The operator controls the speed of the electric motor 202 by rotating the control button.

[0045] The working principle of this embodiment:

[0046] The operator places the control body 1 on a stable and solid workbench, installs the gearbox 201 between the two sliding rails 101 through the sliding grooves on both sides, adjusts the position of the gearbox 201 according to actual needs, installs the matching bolts in the threaded holes on both sides and tightens them, installs the selected model of servo motor, i.e., the electric motor 202, outside the gearbox 201, places the hopper 3 above the control body 1, installs the hopper 3 stably on the control body 1 through the threaded installation holes at the bottom of the supporting legs on both sides of the hopper 3 using the matching bolts, installs the first screw shaft 401 and the second screw shaft 402 through the rotating shafts on both sides, respectively, through the rotating holes at the bottom of the hopper 3, and installs the drive gear 403 at the sliding groove on the outer side of the rotating shaft of the first screw shaft 401;

[0047] The operator installs the driven gear 404 outside the rotating shaft of the second screw shaft 402, installs the reversing gear 405 in the rotating hole above the first positioning plate 102, extends one side of the discharge housing 5 to the inside of the cross-shaped positioning slot on the outer side of the hopper 3, realizes the stable assembly of the hopper 3 and the discharge housing 5 by installing the matching bolts between the threaded grooves in the corners of the positioning slot and the bolt installation holes in the corners of the discharge housing 5, installs the two symmetrically distributed second positioning plates 501 above the discharge housing 5, welds the nuts above the second positioning plates 501, passes the adjusting screw 602 through the nuts and connects them with the nuts, and then rotates the adjusting plate 601 to connect it to the bottom of the adjusting screw 602, so that the adjusting plate 601 extends to the inside of the sliding groove on one side of the discharge housing 5 that communicates with the discharge hole. The operator puts the prepared dough into the hopper 3, determines the rotating mode (same direction or opposite direction) of the first screw shaft 401 and the second screw shaft 402 according to the characteristics of the dough and the production process requirements, adjusts the meshing position of the drive gear 403 and the driven gear 404 and the reversing gear 405 to achieve the required transmission ratio and rotating mode, rotates the adjusting screw 602 according to product requirements to drive the adjusting plate 601 to move up and down, adjusts the cross-sectional area of the discharge passage, starts the electric motor 202 through the control button to drive the double-screw extrusion mechanism 4 to operate, and makes the first screw shaft 401 and the second screw shaft 402 rotate in the set mode to continuously extrude the dough in the hopper 3.

Claims

1. An adjustable double spiral dough continuous extrusion device comprising: The control body (1), the driving mechanism (2), the adjusting mechanism (6), characterized in that, the upper position of the control body (1) is provided with two symmetrically distributed sliding rails (101), a transmission (201) is installed between the two sliding rails (101), an electric motor (202) is installed at the outer side position of the transmission (201), the transmission (201) and the electric motor (202) cooperate with each other to jointly constitute the driving mechanism (2), a hopper (3) is installed at the upper position of the control body (1), support legs are respectively arranged at the two side positions of the hopper (3), a threaded mounting hole is formed at the bottom position of the support leg, a first spiral shaft (401) and a second spiral shaft (402) are installed at the inner side position of the hopper (3), one side of the first spiral shaft (401) is connected with the output shaft of the transmission (201), a discharging shell (5) is installed at the outer side position of the hopper (3), and two groups of symmetrically distributed adjusting mechanisms (6) are installed on one side of the discharging shell (5).

2. The adjustable double spiral dough continuous extrusion device according to claim 1, wherein, a sliding groove corresponding to the sliding rail (101) is formed at the two side positions of the transmission (201), the sliding rail (101) passes through the inside of the sliding groove, and a group of threaded holes are formed at the two side positions of the transmission (201).

3. The adjustable double spiral dough continuous extrusion device according to claim 1, wherein, a rotating shaft is arranged at the two sides of the first spiral shaft (401) and the second spiral shaft (402), two groups of symmetrically distributed rotating holes are formed at the bottom position of the hopper (3), the rotating shaft passes through the inside of the rotating hole, and the first spiral shaft (401) and the second spiral shaft (402) are of reverse thread structure.

4. The adjustable double spiral dough continuous extrusion device according to claim 1, wherein, a sliding groove is formed at the outer side of the rotating shaft of the first spiral shaft (401), a driving gear (403) is installed at the outer side position of the first spiral shaft (401), a sliding hole corresponding to the rotating shaft is formed at the middle position of the driving gear (403), and a locking bolt is installed on one side of the driving gear (403).

5. The adjustable double spiral dough continuous extrusion device according to claim 1, wherein, a driven gear (404) is installed at the outer side position of the rotating shaft of the second spiral shaft (402), the driven gear (404) is a double gear, a first positioning plate (102) is installed at the upper position of the control body (1), two rotating holes are formed at the upper position of the first positioning plate (102), one of the rotating holes is provided with a reversing gear (405), and the first spiral shaft (401), the second spiral shaft (402), the driving gear (403), the driven gear (404) and the reversing gear (405) cooperate with each other to jointly constitute a double spiral extrusion mechanism (4), and the reversing gear (405) and the driven gear (404) are engaged at the small diameter positions.

6. The adjustable double spiral dough continuous extrusion device according to claim 1, characterized in that, The outer side of the hopper (3) is provided with a positioning groove, one side of the discharge shell (5) extends to the inside of the positioning groove, a group of threaded grooves are arranged at the corner of the positioning groove, a group of bolt mounting holes are arranged at the corner of the discharge shell (5), two symmetrically distributed discharge holes are arranged at the inner side of the discharge shell (5), and the discharge holes are respectively communicated with the inside of the hopper (3).

7. The adjustable double spiral dough continuous extrusion device according to claim 1, characterized in that, The upper position of the discharge shell (5) is provided with two symmetrically distributed second positioning plates (501), the upper position of the second positioning plate (501) is provided with a nut, a adjusting screw rod (602) is inserted into the inside of the nut, and a rotatingly connected adjusting plate (601) is arranged at the bottom position of the adjusting screw rod (602), the adjusting plate (601) and the adjusting screw rod (602) cooperatively constitute an adjusting mechanism (6).

8. The adjustable double spiral dough continuous extrusion device according to claim 1, characterized in that, Two sliding grooves are arranged at one side of the discharge shell (5), the sliding grooves are communicated with the discharge holes of the discharge shell (5), the sliding grooves correspond to the adjusting plate (601), and the adjusting plate (601) extends to the inside of the sliding grooves.

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