CN214905821U - Horizontal screw extrusion juice extractor of job stabilization - Google Patents

Abstract

The utility model discloses a job stabilization's horizontal screw extrusion juice extractor belongs to food preparation machine technical field, including frame, motor and extrusion subassembly, extrusion subassembly includes recipient, screw rod and end cover, and the screw rod includes screw rod axle and the screw rod body. The rear end of screw shaft forms the drive end, the front end forms the location end, and the end cover includes inner cup and enclosing cover, and the center department of inner cup is equipped with wear-resisting cover, is equipped with on the wear-resisting cover and supplies location end male locating hole. The front end of the screw rod is supported by effective positioning through the matching of the positioning end and the positioning hole, so that the two ends of the screw rod are supported by the positioning at the working process, the shaking range of the screw rod at the working process is greatly reduced, the stability of the screw rod at the working process is improved, the stability of the whole machine at the working process is further improved, and the reduction of the abrasion and the tensile crack of the screw rod and related components is facilitated.

Description

Horizontal screw extrusion juice extractor of job stabilization

Technical Field

The utility model relates to a food preparation machine technical field especially relates to a job stabilization's horizontal screw extrusion juice extractor.

Background

Nowadays, food processing machines such as food processors, juicers, and soymilk makers are increasingly popular among consumers as new and upgraded consumer products in kitchen appliances. The existing horizontal screw extrusion juicer generally comprises a host and a juicing assembly, wherein the juicing assembly comprises a squeezing barrel, a screw, an end cover and other components, the squeezing barrel is matched with the end cover to form a squeezing cavity, the screw is arranged in the squeezing cavity and is driven by a motor in the host, and when the screw rotates, food materials are squeezed to achieve the purpose of juicing. However, the screw rod among the current horizontal screw extrusion juice extractor is connected and receives the location support with the output shaft transmission of motor at the during operation only rear end, and the screw rod can take place to rock because of the extrusion of eating the material at the during operation, and the rocking of screw rod can aggravate the wearing and tearing of components such as screw rod, can also drive components such as recipient, end cover and rock, is unfavorable for improving the stability of complete machine at the during operation, and then is unfavorable for improving user's use and experiences.

SUMMERY OF THE UTILITY MODEL

In order to solve the shortcoming and the deficiency that exist among the above-mentioned prior art, the utility model provides a job stabilization's horizontal screw extrusion juice extractor effectively improves the screw rod stability at the during operation, and then improves the stability of complete machine at the during operation.

In order to realize the technical purpose, the utility model provides a pair of job stabilization's horizontal screw extrusion juice extractor, including the frame, locate the motor in the frame and can dismantle the extrusion subassembly of locating the frame front side, the extrusion subassembly includes the recipient, can dismantle the screw rod of horizontal in the recipient and can dismantle the end cover of connecting in the recipient front end, and the screw rod includes screw rod axle and cladding in the outside screw rod body of screw rod axle, the rear end protrusion of screw rod axle forms in the screw rod body and forms and motor drive complex transmission end, and the front end protrusion of screw rod axle forms the location end in the screw rod body, and the end cover is including fixed inner cup and enclosing cover together, and the center department of inner cup is equipped with wear-resisting cover, is equipped with the rear end opening on the wear-resisting cover and supplies location end male locating hole.

Preferably, the positioning end is in clearance fit with the positioning hole, the single-side fit clearance between the positioning end and the positioning hole is delta a, and delta a is larger than or equal to 0.05mm and smaller than or equal to 0.1 mm.

Preferably, the center of the inner cover is provided with a center hole for installing a wear-resistant sleeve, and the wear-resistant sleeve is in interference fit with the center hole.

Preferably, the circumferential outer wall of the wear-resistant sleeve is provided with a first positioning plane, and the circumferential inner wall of the central hole is provided with a second positioning plane matched with the first positioning plane.

Preferably, one of the circumferential outer wall of the wear-resistant sleeve and the circumferential inner wall of the central hole is provided with a positioning rib, the other one is provided with a positioning groove, and the positioning rib is embedded in the positioning groove.

Preferably, the rear end of the wear-resistant sleeve is provided with a convex edge protruding outwards along the radial direction, the front end of the central hole is provided with a positioning step surface matched with the convex edge, and the convex edge is abutted against the positioning step surface.

Preferably, the screw rod body is coated outside the screw rod shaft through encapsulation molding.

Preferably, the screw further comprises a thread body coated outside the screw body by encapsulation molding.

Preferably, the top of the extrusion cylinder is provided with a feeding channel extending vertically, the bottom of the extrusion cylinder is provided with a juice outlet, and the inner cover is provided with a slag outlet.

Preferably, the motor comprises an output shaft which is transversely arranged in the axial direction, a transmission hole into which a transmission end is inserted is formed in the front end of the output shaft, the transmission end is in clearance fit with the transmission hole, the single-side fit clearance between the transmission end and the transmission hole is delta b, and delta b is larger than or equal to 0.2mm and smaller than or equal to 0.5 mm.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. the utility model provides a job stabilization's horizontal screw extrusion juice extractor, the structure to the end cover is improved, add in the inner cup of end cover and established wear-resisting cover, the cooperation of the locating hole through the location end of screw shaft and wear-resisting cover makes the front end of screw rod receive effectual location support at the during operation, the rear end that the transmission end of screw shaft and the output shaft transmission cooperation of motor made the screw shaft of screw shaft receives the location support at the during operation, so make the both ends of screw rod all receive the location support at the during operation, the range of rocking of screw rod at the during operation reduces greatly, improve the stability of screw rod at the during operation, and then improve the stability of complete machine at the during operation, be favorable to improving user's use and experience, also be favorable to reducing the wearing and tearing and the drawing of screw rod and relevant component and split.

2. The fit clearance between the locating end of the screw shaft and the locating hole of the wear-resistant sleeve is reasonably arranged, and the fit difficulty between the locating end of the screw shaft and the locating hole of the wear-resistant sleeve is reduced while the locating requirement is met. If delta a is less than 0.05mm, the positioning end is not easy to be quickly inserted into the positioning hole, and the matching difficulty between the positioning end and the positioning hole is large. If delta a is larger than 0.1mm, the clearance between the positioning end and the positioning hole is larger, which is not beneficial to ensuring the stability of the screw rod during working.

3. The wear-resistant sleeve is arranged on the inner cover in an interference fit manner with the central hole, and the fit structure between the wear-resistant sleeve and the inner cover is simple, so that the assembly production is convenient. The first locating plane on the wear-resisting cover circumference outer wall and the second locating plane on the centre bore inner wall cooperate to make the wear-resisting cover receive the circumference location, and the location muscle also makes the wear-resisting cover receive the circumference location with the constant head tank cooperation, improves the structural stability of wear-resisting cover, avoids the wear-resisting cover to follow the condition that the location end is rotatory and break away from the inner cup under the effect of location end.

4. The protruding edge at the rear end of the wear-resistant sleeve is abutted against the positioning step face at the front end of the central hole, so that the wear-resistant sleeve is axially positioned, the axial stability of the wear-resistant sleeve is improved, the wear-resistant sleeve is prevented from axially moving under the action of the positioning end, and the axial stability of the screw rod can be effectively improved.

5. The screw rod body passes through the fashioned mode cladding of rubber coating in the outside of screw shaft, and the screw body passes through the fashioned mode cladding of rubber coating in the outside of screw rod body, is favorable to improving screw shaft, screw rod body and screw body three's axiality, reduces the holistic eccentricity of screw rod, avoids the screw rod off-centre to lead to the screw rod not even and the condition of rocking at the during operation atress, is favorable to further improving the screw rod stability at the during operation to be favorable to further improving the stability of organism during operation.

6. The reasonable transmission end that sets up the screw rod and the shaft hole fit clearance volume between the transmission hole of output shaft front end guarantee the stability of screw rod when organism during operation when rationally reducing the cooperation degree of difficulty. If Δ b is less than 0.2mm, the gap between the two is small, which is not favorable for quick assembly. If delta b is larger than 0.5mm, the clearance between the two is larger, which is not beneficial to improving the stability of the screw rod during working.

Drawings

FIG. 1 is a schematic view of a horizontal screw press juicer according to one embodiment;

FIG. 2 is a schematic view illustrating a squeezing assembly of a horizontal screw squeezing juicer according to an exemplary embodiment;

FIG. 3 is a schematic view of a screw of a horizontal screw extrusion juicer according to an embodiment;

FIG. 4 is an exploded view of an end cap in a horizontal screw press juicer according to one embodiment;

FIG. 5 is a schematic view of a wear sleeve in a horizontal screw extrusion juicer according to one embodiment;

FIG. 6 is a schematic view of an inner lid of a horizontal screw press juicer according to an embodiment;

FIG. 7 is a schematic view of a filter cartridge of a horizontal screw press juicer according to one embodiment;

FIG. 8 is a schematic view of a rear end of a pressing module in a horizontal screw press juicer according to an embodiment;

FIG. 9 is an exploded view of the associated components of FIG. 8;

FIG. 10 is a schematic view of the combination of the container and the lid of the horizontal screw juicer according to one embodiment;

FIG. 11 is a schematic view of a container and a juice lid of a horizontal screw press juicer according to one embodiment;

FIG. 12 is a schematic view of an inner lid of a horizontal screw press juicer according to an embodiment;

FIG. 13 is an axial sectional view of an inner lid of the horizontal screw press juicer according to this embodiment.

In the figure, 100-machine base, 200-motor, 210-output shaft, 211-transmission hole, 300-extrusion cylinder, 310-feeding channel, 320-juice outlet, 330-cylinder body, 340-cylinder cover, 341-through hole, 342-concave cavity, 350-ring edge, 351-convex edge, 360-juice outlet sealing ring, 370-boss, 371-convex column, 400-screw rod, 410-screw rod shaft, 411-transmission end, 412-positioning end, 420-screw rod body, 430-screw thread body, 500-end cover, 510-inner cover, 511-cover body, 512-central hole, 513-second positioning plane, 514-positioning rib, 515-positioning step surface, 516-slag outlet, 517-positioning edge, 518-turn buckle and 519-fixing hole, 5110-concave hole, 5111-annular step, 5112-second positioning step, 5113-slag guide inclined plane, 520-outer cover, 521-slag guide opening, 522-convex ring, 523-fixed column, 524-step surface, 525-groove, 526-surrounding edge, 530-wear-resistant sleeve, 531-positioning hole, 532-first positioning plane, 533-positioning groove, 534-convex edge, 540-assembly sealing ring, 550-first inner sealing ring, 560-second inner sealing ring, 600-filter sleeve, 610-first positioning step, 620-filter part, 710-shaft sealing ring, 711-main ring body, 712-positioning part, 712 a-radial convex edge, 712 b-axial convex edge, 713-sealing lip edge, 720-positioning cover, 721-positioning groove, 800-juice outlet cover, 810-clamping groove and 820-bulge.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

Example one

As shown in fig. 1 to 11, a horizontal screw extrusion juicer according to the embodiment of the present invention includes a base 100, a motor 200 disposed in the base 100, and a detachable extrusion assembly disposed at the front side of the base 100, wherein the extrusion assembly includes a container 300, a detachable screw 400 disposed horizontally in the container 300, and a detachable end cap 500 connected to the front end of the container 300. The screw 400 comprises a screw shaft 410 and a screw body 420 wrapped outside the screw shaft 410, the rear end of the screw shaft 410 protrudes out of the screw body 420 to form a transmission end 411 in transmission fit with the motor 200, the front end of the screw shaft 410 protrudes out of the screw body 420 to form a positioning end 412, the end cover 500 comprises an inner cover 510 and an outer cover 520 which are fixed together, a wear-resistant sleeve 530 is arranged at the center of the inner cover 510, and a positioning hole 531 which is provided with a rear end opening and used for inserting the positioning end 412 is formed in the wear-resistant sleeve 530.

The cooperation of the locating end through the screw shaft and the locating hole of wear-resisting cover makes the front end of screw rod receive effectual location support at the during operation, the transmission end of screw shaft and the output shaft transmission cooperation of motor make the rear end of screw shaft receive the location support at the during operation, so make the both ends of screw rod all receive the location support at the during operation, the range of rocking of screw rod at the during operation reduces greatly, improve the stability of screw rod at the during operation, and then improve the stability of complete machine at the during operation, be favorable to reducing the wearing and tearing and the drawing of screw rod and relevant component and split.

A circular shaft hole matching structure is adopted between the positioning end 412 and the positioning hole 531, in order to meet the positioning requirement and reduce the matching difficulty between the positioning end 412 and the wear-resistant sleeve 530, the positioning end 412 is in clearance fit with the positioning hole 531, the single-side matching clearance between the positioning end 412 and the positioning hole 531 is delta a, and delta a is larger than or equal to 0.05mm and smaller than or equal to 0.1 mm. In the present embodiment, the single-side fit clearance Δ a between the positioning end 412 and the positioning hole 531 is preferably set to 0.07 mm.

The motor 200 preferably adopts a speed reducing motor, the motor 200 comprises an output shaft 210 which is transversely arranged in the axial direction, a transmission hole 211 for inserting a transmission end 411 is formed in the front end of the output shaft 210, the transmission end 411 is in clearance fit with the transmission hole 211, the amount of a single-side fit clearance between the transmission end 411 and the transmission hole 211 is delta b, and delta b is more than or equal to 0.2mm and less than or equal to 0.5 mm. In this embodiment, a regular hexagon fitting structure is preferably adopted between the driving end 411 and the driving hole 211, and the unilateral fitting clearance Δ b between the driving end 411 and the driving hole 211 is preferably set to be 0.35 mm.

The inner cover 510 is provided with a cover body 511 positioned at the axial front side of the screw 410, the center of the cover body 511 is provided with a center hole 512 for installing the wear-resistant sleeve 530, the wear-resistant sleeve 530 is in interference fit with the center hole 512, and the wear-resistant sleeve 530 is fixed on the cover body 511 of the inner cover through interference fit with the center hole 512.

Combine fig. 5, fig. 6, in order to improve wear-resisting cover 530's stability, be equipped with first locating plane 532 and constant head tank 533 on wear-resisting cover 530's the circumference outer wall, constant head tank 533 is equipped with many and interval distribution on wear-resisting cover 530 circumference outer wall's arcwall face, be equipped with second locating plane 513 and location muscle 514 on the circumference inner wall of centre bore 512, second locating plane 513 cooperates with first locating plane 532, location muscle 514 cooperates with constant head tank 533, the quantity of location muscle 514 is unanimous with the quantity of constant head tank 533, location muscle 514 interval distribution is on the arcwall face of centre bore 512 circumference inner wall. When the wear-resistant sleeve 530 is fixed at the central hole 512, the first positioning plane 532 and the second positioning plane 513 are correspondingly attached together, the positioning rib 514 is clamped in the positioning groove 533, the wear-resistant sleeve 530 is circumferentially positioned by matching the first positioning plane 532 and the second positioning plane 513 and matching the positioning rib 514 with the positioning groove 533, and the wear-resistant sleeve 530 is prevented from rotating along with the positioning end 412 under the action of the positioning end 412 and being separated from the inner cover 510.

In order to improve the axial stability of the wear-resistant sleeve 530, a protruding edge 534 protruding outward in the radial direction is arranged at the rear end of the wear-resistant sleeve 530, a positioning step surface 515 matched with the protruding edge 534 is arranged at the front end of the central hole 512, and the protruding edge 534 abuts against the positioning step surface 515, so that the wear-resistant sleeve 530 is positioned in the axial direction, the wear-resistant sleeve 530 is prevented from moving in the axial direction under the action of the positioning end 412, and the improvement of the axial stability of the screw 400 is facilitated.

In order to improve the overall coaxiality of the screw 400, the screw body 420 is coated outside the screw shaft 410 by means of encapsulation, and the screw 400 further comprises a thread body 430 coated outside the screw body 420 by encapsulation. Improve the axiality of screw shaft 410, screw body 420 and screw body 430 three through the fashioned mode of rubber coating, reduce the holistic eccentricity of screw 400, avoid screw 400 off-centre to lead to the screw rod to receive the uneven condition that leads to rocking of atress at the during operation, be favorable to improving the stability of screw 400 at the during operation.

The top of the extrusion cylinder 300 is provided with a feeding channel 310 extending vertically, the bottom is provided with a juice outlet 320, and the cover body 511 of the inner cover 510 is provided with a slag outlet 516. In order to balance the juice yield and the slag yield, a plurality of slag outlets 516 are uniformly distributed along the circumferential direction of the cover body, and the outer cover 520 is provided with a slag guide opening 521 corresponding to the slag outlets 516. Preferably, there are three tap holes 516, and the tap holes are distributed around the wear sleeve 530.

The rear end of the inner cap 510 is provided with a positioning rim 517 protruding outward in a radial direction, and the end cap 500 further includes an assembly sealing ring 540 fitted over the rear end of the inner cap 510, the assembly sealing ring 540 being located at the rear side of the positioning rim 517, and the assembly sealing ring 540 being axially positioned by the positioning rim 517. When the end cap 500 is connected to the container 300, the assembling sealing ring 540 is positioned between the positioning edge 517 and the container 300 and is compressed, and the sealing fit between the end cap 500 and the container 300 is realized through the assembling sealing ring 540.

A protruding ring 522 protruding backward is provided on the rear end surface of the outer cover 520, and the protruding ring 522 is located on the outer periphery of the assembly seal ring 540. The assembly gasket 540 is radially positioned by the bead 522 so that the assembly gasket 540 has sufficient axial interference to ensure a sealing engagement between the end cap and the container when the end cap 500 is attached to the container 300.

The end cover 500 and the extrusion container 300 are detachably matched through a screwing structure, a plurality of screwing buckles 518 distributed at intervals along the circumferential direction are arranged on the circumferential outer wall of the rear end of the inner cover 510, the screwing buckles 518 are located on the rear side of the assembling sealing ring 540, a screwing groove matched with the screwing buckles 518 is formed in the inner wall of the front end of the extrusion container 300, and the end cover 500 is detachably connected to the extrusion container 300 through the matching of the screwing buckles 518 and the screwing groove.

The inner cover 510 and the outer cover 520 are fixed together through screws, the outer cover 520 is provided with a fixing column 523 which extends backwards and is hollow, the inner cover 510 is provided with a fixing hole 519 corresponding to the fixing column 523, and the screws penetrate through the fixing hole 519 and are screwed in the fixing column 523. In order to realize positioning during assembly, the inner cover 510 is provided with a concave hole 5110 communicated with the fixing hole 519, the concave hole 5110 is positioned on the front side of the fixing hole 519 and matched with the fixing column 523, and during assembly, the rear end of the fixing column 523 is inserted into the concave hole 5110.

In order to realize the axial positioning between the inner cap 510 and the outer cap 520, a step surface 524 is provided on the circumferential inner wall of the outer cap, and after the inner cap 510 and the outer cap 520 are assembled and fixed, the positioning edge 517 on the inner cap 510 is in interference fit with the step surface 524.

In order to realize the sealing fit between the inner cover 510 and the outer cover 520, a groove 525 is formed on the step surface 524, a first inner sealing ring 550 is arranged in the groove 525, and the positioning edge 517 is closely contacted with the first inner sealing ring 550, so that the sealing fit between the rear end of the inner cover 510 and the outer cover 520 is realized. The periphery of lid 511 preceding lateral wall is equipped with round annular step 5111, is equipped with the round and encloses along 526 with the cooperation of annular step 5111 on the inner wall of enclosing cover 520, and end cover 500 still includes second inner seal circle 560, and second inner seal circle 560 is located annular step 5111 and encloses between 526 and compressed tightly, realizes the sealed cooperation between the front end of inner cup 510 and enclosing cover 520 through second inner seal circle.

Referring to fig. 7, the extruding assembly further includes a filter sleeve 600 detachably sleeved on the outside of the front end of the screw 400, a circle of first positioning steps 610 is arranged on the circumferential outer wall of the front end of the filter sleeve 600, and a second positioning step 5112 matched with the first positioning steps 610 is arranged on the circumferential inner wall of the inner cover 510. When the pressing components are assembled together, the first positioning step 610 and the second positioning step 5112 are abutted, so that the filter sleeve 600 is axially positioned. The inner wall of the filter sleeve 600 is provided with an extrusion convex rib which can be matched with the screw 400 to extrude the material. The rear end of the filter sleeve 600 is provided with a filter part 620 corresponding to the juice outlet 320, and the filter part is provided with a plurality of small filter holes, so that the juice can be filtered before being discharged through the juice outlet 320, and the taste of the juice is improved.

Referring to fig. 8 and 9, the extruding container 300 includes a container body 330 and a container cover 340 disposed at the rear end of the container body 330, and the container cover 340 is provided with a through hole 341 for the driving end 411 to pass through. The cylinder cover 340 is provided with a shaft seal ring 710, the shaft seal ring 710 includes a main ring body 711 engaged with the screw shaft 410 and a positioning portion 712 located at the periphery of the main ring body 711, the rear side of the cylinder cover 340 is provided with a positioning cover 720, and the positioning cover 720 is sleeved outside the main ring body 711 and engaged with the positioning portion 712 to position the shaft seal ring 710. The positioning cover is matched with the positioning part, so that the shaft sealing ring can be subjected to axial positioning, radial positioning and circumferential positioning at the same time, the stability of the shaft sealing ring is effectively improved, and the effectiveness and the stability of sealing fit between the main ring body and the screw shaft are improved.

In this embodiment, the cylinder cover 340 is provided with a cavity 342 communicating with the through hole 341 and located behind the through hole 341, and the shaft seal 710 and the positioning cover 720 are disposed in the cavity 342. The positioning portion 712 has an annular shape, the positioning portion 712 includes a radial flange 712a extending radially outward from the circumferential outer wall of the main ring body 711, and the positioning cover 720 presses the radial flange 712a against the inner wall of the cavity 342. In order to improve the radial positioning effect of the positioning cover 720 on the positioning portion 712, the positioning portion 712 further includes an axial flange 712b protruding backward from the outer periphery of the radial flange 712a, a positioning groove 721 matched with the axial flange 712b is provided on the front side wall of the positioning cover 720, the axial flange 712b is inserted into the positioning groove 721, and the positioning portion 712 is further radially positioned by the matching of the axial flange 712b and the positioning groove 721, so that the shaft seal ring 710 is better radially positioned as a whole.

In order to reduce the contact area between the main ring body 711 and the screw shaft 410 and simultaneously realize the sealing fit between the main ring body 711 and the screw shaft 410, a plurality of sealing lip edges 713 are arranged on the circumferential inner wall of the main ring body 711 and are distributed at intervals along the axial direction, the sealing lip edges 713 are in interference fit with the screw shaft 410, the unilateral fit interference magnitude between the sealing lip edges 713 and the screw shaft 410 is delta r, and delta r is greater than or equal to 0.1mm and less than or equal to 0.3 mm. In this embodiment, three sealing lips are preferably provided on the edge 713, and the unilateral fitting interference Δ r between the edge 713 and the screw shaft 410 is preferably set to 0.2 mm.

Referring to fig. 10 and 11, the juice outlet 320 is disposed at the bottom of the barrel 330, a downwardly protruding rim 350 surrounding the juice outlet 320 is disposed at the bottom of the barrel 330, a juice sealing ring 360 is disposed at the rim 350, and the squeezing barrel 300 further includes a juice outlet cover 800 disposed at the bottom of the barrel 330 and used for opening and closing the juice outlet 320. When the juice outlet 320 is closed by the juice outlet cover 800, the juice outlet cover 800 is located at the bottom of the rim 350 and abuts against the juice outlet sealing ring 360. In this embodiment, the bottom surface of the rim 350 is provided with a circle of mounting groove, and the juice sealing ring 360 is mounted at the rim 350 through interference fit with the mounting groove.

The bottom of the barrel 330 is provided with a boss 370 protruding downwards, the juice outlet cover 800 is connected to the boss 370 in a horizontally rotatable manner, and the juice outlet cover 800 is provided with a protrusion 820 which enables the juice outlet cover 800 to abut against the juice outlet sealing ring 360 when the juice outlet 320 is closed. Specifically, the bottom surface of the boss 370 is provided with a downwardly convex projection 371, the juice outlet cover 800 is provided with a column hole matched with the projection 371, the projection 371 is inserted into the column hole, and the juice outlet cover 800 is axially positioned. The external diameter of projection 371 is less than the external diameter of boss 370, the top surface of juice lid 800 is located to arch 820, when juice outlet 320 is closed to juice outlet 800, arch 820 contradicts with the bottom surface of boss 370, juice outlet 800 and the position that juice outlet 320 cooperates and arch 820 are located the both sides of projection 371 respectively, conflict through arch 820 and boss 370 makes juice outlet 800 receive leverage, with juice outlet 320 cooperation part on juice outlet 800 to reach juice sealing ring 360, make the top surface of juice outlet 800 closely paste with juice sealing ring 360 and touch together, the validity when improving juice outlet 800 and closing juice outlet 320.

In order to improve the stability of the juice outlet cover 800 in closing the juice outlet 320, the convex edge 351 is arranged on the outer wall of the ring edge 350, and the juice outlet cover 800 is provided with a clamping groove 810 matched with the convex edge 351. When the juice outlet 320 is closed by the juice outlet cover 800, the convex edge 351 is located in the clamping groove 810, and the juice outlet cover 800 receives upward acting force through the matching of the convex edge 351 and the clamping groove 810, so that the top surface of the juice outlet cover 800 can be tightly attached to and contacted with the juice outlet sealing ring 360.

When the machine body works, the transmission end 411 of the screw shaft 410 in the screw 400 is matched with the transmission hole 211 to be positioned and supported, the positioning end 412 is matched with the positioning hole 531 on the wear-resistant sleeve 530 to be positioned and supported, namely, the two ends of the screw are positioned at work, so that the shaking amplitude of the screw at work is effectively reduced, and the working stability of the screw is improved.

It is understood that the single-side fit clearance Δ a between the positioning end 412 and the positioning hole 531 may be set to other reasonable clearance values such as 0.05mm, 0.06mm, 0.08mm, 0.09mm, 0.1mm, etc.

It is understood that other non-circular transmission matching structures, such as regular quadrilateral matching structures, regular pentagonal matching structures, and other reasonable structures, can be adopted between the transmission end 411 and the transmission hole 211.

It is understood that the amount of the one-sided fit clearance Δ b between the driving end 411 and the driving hole 211 can be set to other reasonable clearance values such as 0.2mm, 0.3mm, 0.4mm, 0.5mm, etc.

It is understood that the positions of the positioning ribs 514 and the positioning grooves 533 may be interchanged.

It can be understood that, on the premise that the positioning sleeve 530 meets the structural requirement, the first positioning plane 532 and the second positioning plane 513 may be omitted, and the purpose of circumferentially positioning the wear-resistant sleeve 530 is achieved only by the cooperation between the positioning ribs 514 and the positioning grooves 533.

It can be understood that, on the premise that the positioning sleeve 530 meets the structural requirement, the positioning ribs 514 and the positioning grooves 533 can be omitted, and the purpose of circumferentially positioning the wear-resistant sleeve 530 is achieved only by the cooperation between the first positioning planes 532 and the second positioning planes 513.

It should be understood that the specific number of the slag outlets 516 is not limited to three as described above and shown in the drawings, and may be two, four, etc. as other reasonable numbers.

It is understood that the positioning portion 712 may also be provided in an arc shape, and the arc-shaped positioning portion 712 is provided with at least two segments at intervals along the circumferential direction of the main ring body 711.

It is understood that the positioning groove 721 of the positioning cap 720 may be eliminated, and the axial flange 712b directly covers the outer circumference of the front end of the positioning cap 720, so that the shaft seal ring 710 is radially positioned.

It is understood that, on the premise that the shaft seal ring 710 meets the requirement of radial positioning, the axial convex edge 712b and the positioning groove 721 can be eliminated, and the positioning cover 720 presses the radial convex edge 712a against the inner wall of the cavity 342 to radially position the shaft seal ring 710.

It should be understood that the specific number of the sealing lip edges 713 on the circumferential inner wall of the main ring body 711 is not limited to three as described above and shown in the drawings, and the sealing lip edges 713 may be provided in other reasonable numbers such as two, four, etc. on the premise of meeting the requirement of sealing fit.

It is understood that the unilateral interference Δ r between the lip 713 and the screw shaft 410 may be set to 0.1mm, 0.13mm, 0.16mm, 0.19mm, 0.21mm, 0.24mm, 0.27mm, 0.3mm, or other reasonable interference values.

It will be appreciated that the juice outlet cover 800 may be horizontally rotatably connected to the bottom of the barrel 330 by other engagement structures.

It will be appreciated that the protrusions 820 may also be provided on the bottom surface of the boss 370.

It will be appreciated that the protrusion 820 may be eliminated or the rim 351 and the groove 810 may be eliminated, provided that the juice outlet 320 is effectively closed by the juice outlet cover 800.

Example two

As shown in fig. 12 and 13, in order to improve the smoothness of slag discharge, a slag guide inclined plane 5113 is provided on the rear side wall of the lid body 511 between two adjacent slag outlets 516, and the slag guide inclined plane 5113 extends forward in the rotation direction of the screw 400. The height difference of the two ends of the slag guide inclined plane 5113 in the axial direction is delta h, and the delta h is less than or equal to 3 mm.

In this embodiment, when the screw 400 rotates in the ω direction shown in fig. 12 during operation, the slag guide slope has a substantially spiral surface shape with a short axial length, and the height difference Δ h in the axial direction between both ends of the slag guide slope 5113 is preferably set to 2 mm.

The other structures of the second embodiment are the same as those of the first embodiment, and are not described in detail here.

It is understood that the height difference Δ h in the axial direction between the two ends of the slag guide inclined plane 5113 may also be set to 0.5mm, 1mm, 1.5mm, 2.2mm, 2.5mm, 3mm, or other reasonable difference values.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.

Claims (10)

1. The utility model provides a job stabilization's horizontal screw extrusion juice extractor, includes the frame, locates the motor in the frame and can dismantle the extrusion subassembly of locating the frame front side, and extrusion subassembly includes the recipient, can dismantle the screw rod of horizontal in the recipient and can dismantle the end cover of connecting in the recipient front end, and the screw rod includes screw shaft and the spiral shell body of cladding in the screw shaft outside, its characterized in that, the rear end protrusion of screw shaft forms in the screw body and holds with motor drive complex transmission, and the front end protrusion of screw shaft forms the location end in the screw body, and the end cover is including fixed inner cup and enclosing cover together, and the center department of inner cup is equipped with wear-resisting cover, is equipped with the rear end opening on the wear-resisting cover and supplies location end male locating hole.

2. The horizontal screw extrusion juicer of claim 1, wherein the positioning end is in clearance fit with the positioning hole, and the unilateral fit clearance between the positioning end and the positioning hole is delta a, and delta a is greater than or equal to 0.05mm and less than or equal to 0.1 mm.

3. The horizontal screw extrusion juicer of claim 1 wherein the center of the inner lid defines a central aperture for receiving a wear sleeve in interference fit therewith.

4. The horizontal screw extrusion juicer of claim 3, wherein the circumferential outer wall of the wear-resistant sleeve is provided with a first positioning plane, and the circumferential inner wall of the central hole is provided with a second positioning plane matched with the first positioning plane.

5. The horizontal screw extrusion juicer of claim 3 wherein one of the circumferential outer wall of the wear sleeve and the circumferential inner wall of the central bore is provided with a positioning rib and the other is provided with a positioning groove, the positioning rib being embedded in the positioning groove.

6. The horizontal screw extrusion juicer of claim 3, wherein the rear end of the wear-resistant sleeve is provided with a flange protruding radially outward, the front end of the central hole is provided with a positioning step surface matched with the flange, and the flange abuts against the positioning step surface.

7. The horizontal screw extrusion juicer of claim 1 wherein the screw body is overmolded around the screw shaft.

8. The horizontal screw extrusion juicer of claim 1 wherein the screw further comprises a threaded body that is overmolded onto the exterior of the screw body.

9. The horizontal screw extrusion juicer of claim 1 wherein the top of the container has a vertically extending feed channel, the bottom has a juice outlet, and the inner lid has a residue outlet.

10. The horizontal screw extrusion juicer of claim 1, wherein the motor comprises an output shaft which is transversely arranged in the axial direction, a transmission hole into which the transmission end is inserted is formed in the front end of the output shaft, the transmission end is in clearance fit with the transmission hole, the single-side fit clearance between the transmission end and the transmission hole is delta b, and delta b is greater than or equal to 0.2mm and less than or equal to 0.5 mm.

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