Transmission mechanism of mincing machine

Abstract

The mincing and cutting machine transmission mechanism comprises a transmission shell, a meat mincing machine shaft and a slicing machine shaft are horizontally arranged at the two ends of one side of the transmission shell in a penetrating mode respectively, and a transmission assembly is arranged in the transmission shell; the transmission assembly comprises a worm gear, a worm, a mandrel, a first one-way bearing, a second one-way bearing, a driving bevel gear and a driven bevel gear, the worm is rotationally arranged in the transmission shell, the bottom end of the worm is driven by a driving motor to rotate, the worm is in meshed connection with the worm gear, the worm gear is arranged on the mandrel, and the mandrel is rotationally arranged in the transmission shell. The two ends of the mandrel are connected with a first one-way bearing and a second one-way bearing respectively, the rotating direction of the first one-way bearing is opposite to that of the second one-way bearing, the first one-way bearing and the second one-way bearing are arranged in rotating sleeves respectively, rotating shafts are arranged at one ends of the two rotating sleeves, and driving bevel gears are arranged on the two rotating shafts respectively. One side of each driving bevel gear is in meshed connection with a driven bevel gear, the driven bevel gears are arranged on a meat grinder shaft and a slicing machine shaft respectively, the meat grinder shaft or the slicing machine shaft is driven to rotate through cooperation of forward rotation and reverse rotation of the driving motor and a one-way bearing, switching of the mincing and cutting functions is achieved, and the overall structure is more concise and compact; and mounting, dismounting and maintenance are convenient.

Description

Technical Field

[0001] The invention relates to the technical field of gear transmission mechanisms, and in particular to a gear cutting machine transmission mechanism. Background Art

[0002] Meat grinders are common meat processing equipment on the market. Traditional meat grinders and cutters use motors in conjunction with gears and chains to operate the meat grinder and slicer mechanisms respectively, and require multiple gears of different sizes to achieve speed reduction. They also need to be equipped with corresponding clutches to achieve the switching of the meat grinder and cutter functions. The overall structure is complex and not easy to disassemble and repair. At the same time, since the motor is placed horizontally and its internal gears, bearings and other components are distributed longitudinally, it is not convenient to add lubricating oil to maintain lubrication. Therefore, it is necessary to disassemble the equipment regularly and apply lubricating oil to various components to maintain the normal operation of the equipment. For example, Chinese patent document: CN201410619106.X discloses a meat grinder and cutter. In the gearbox in this application, several gears and bearings are sequentially distributed to achieve the speed reduction of the output shaft. The overall structure is very complex, and the gearbox has a large structural size, which increases the weight of the equipment and increases the manufacturing cost. Summary of the invention

[0003] In view of the above-mentioned problems, the present invention discloses a meat mincer transmission mechanism, which adopts a worm gear and a bevel gear to realize the operation of a meat mincer and a slicing mechanism driven by a single motor, and then realizes the switching of the mincing and cutting functions through the forward and reverse rotation of the motor and a one-way bearing, thereby solving the problem that the meat mincer transmission mechanism in the prior art is complex in structure and not easy to disassemble and repair.

[0004] The specific technical solutions are as follows:

[0005] A mincer transmission mechanism comprises a transmission housing, wherein a meat grinder shaft and a slicer shaft are horizontally penetrated at two ends of one side of the transmission housing, a transmission assembly is arranged inside the transmission housing, and two ends of the transmission assembly are respectively transmission-connected with the meat grinder shaft and the slicer shaft, and the transmission assembly is driven and operated by a driving motor installed at the bottom of the transmission housing; the transmission assembly comprises a worm gear, a worm, a mandrel, a one-way bearing 1, a one-way bearing 2, an active bevel gear and a driven bevel gear, the worm gear is longitudinally rotationally arranged on one side of the middle of the transmission housing, the bottom end of the worm gear penetrates the bottom of the transmission housing and is fixedly connected to the output shaft of the driving motor, one side of the worm gear is meshedly connected with the worm gear, the worm gear is arranged on the mandrel, the mandrel is horizontally rotationally arranged in the transmission housing, and two ends of the mandrel are respectively engaged with the inner rings of the one-way bearing 1 and the one-way bearing 2 The one-way bearing 1 and the one-way bearing 2 are connected, and the rotation directions of the one-way bearing 1 and the one-way bearing 2 are opposite. The one-way bearing 1 and the one-way bearing 2 are respectively arranged in a rotating sleeve, and the ends of the two rotating sleeves that are far away are horizontally provided with rotating shafts concentric with the core shaft. The two rotating shafts are respectively provided with the driving bevel gears, and one side of the two driving bevel gears is respectively meshed and connected with a driven bevel gear. The two driven bevel gears are respectively arranged on the meat grinder shaft and the slicer shaft, so that when the rotating shaft rotates, the driving bevel gear and the driven bevel gear cooperate to drive the meat grinder shaft and the slicer shaft to rotate respectively; when the driving motor rotates forward, the core shaft, the one-way bearing 1, the rotating shaft and the meat grinder shaft are driven to rotate through the cooperation of the worm gear; when the driving motor rotates reversely, the core shaft, the one-way bearing 2, the rotating shaft and the slicer shaft are driven to rotate through the cooperation of the worm gear.

[0006] Furthermore, the transmission housing includes a base and a cover plate. The base is a rectangular housing structure, and the upper end of the base is an opening and the cover plate is installed.

[0007] Furthermore, a bearing holder is integrally formed in the transmission housing above the worm, a rotating bearing is fixed in the bearing holder, and the upper shaft end of the worm is arranged on the inner ring of the rotating bearing.

[0008] Furthermore, positioning seats are integrally formed at both ends of the inner cavity of the transmission housing, and a groove is provided in the middle of the positioning seat for the core shaft to pass through; a bearing support is longitudinally arranged between the two positioning seats and the two sides of the bearing seat, and the two bearing supports are rotatably connected to the two ends of the core shaft through bearings.

[0009] Furthermore, a raised seat is provided on the inner wall of one side of the inner cavity of the transmission housing, the raised seat is located on the side away from the worm gear, the bottom of the raised seat extends to the bottom of the machine base, the top of the raised seat is flush with the top of the machine base, and a screw hole for installing the drive motor is longitudinally penetrated in the raised seat; a mounting plate is horizontally provided at the bottom of one side of the transmission housing away from the raised seat, and screw holes for longitudinally installing the drive motor are also respectively provided at the left and right ends of the mounting plate.

[0010] Furthermore, a rotating seat is respectively provided on the inner walls at both ends of the transmission housing, and the two rotating seats are rotatably connected to one end of the two rotating shafts through bearings.

[0011] Furthermore, the rotating sleeves are all hollow cylindrical structures, one end of the rotating sleeve is open and embedded with the one-way bearing 1 or the one-way bearing 2, and the outer rings of the one-way bearing 1 and the one-way bearing 2 are respectively fitted with and fixedly connected to the inner walls of the two rotating sleeves; the other end of the rotating sleeve is closed, and the rotating shaft is integrally formed at the center of the other end of the rotating sleeve.

[0012] The beneficial effects of the present invention are embodied in:

[0013] (1) Compared with the traditional method of using a gear chain transmission structure in conjunction with a clutch to achieve power switching, the present invention uses a worm gear in conjunction with a bevel gear to achieve a single motor to drive the operation of the meat grinder and slicer mechanisms, and then the forward and reverse rotation of the motor in conjunction with a one-way bearing is used to drive the meat grinder shaft or the slicer shaft to rotate, thereby achieving the switching of the mincing and cutting functions. The overall structure is more concise and compact, and is convenient for installation, disassembly and maintenance.

[0014] (2) The transmission components inside the transmission housing adopt a horizontal distribution structure, which makes it easy to add lubricating oil into the transmission housing, immerse the transmission components in the lubricating oil, keep the gears lubricated, improve the cooling effect, reduce equipment noise, and effectively increase the service life of the transmission components. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a stereogram of the present invention.

[0016] Figure 2 It is the front view of the present invention.

[0017] Figure 3 It is a side view of the present invention.

[0018] Figure 4 It is a structural schematic diagram of the transmission component in the present invention.

[0019] Figure 5 It is a top view of the base in the present invention.

[0020] Figure 6 It is a front cross-sectional view of the present invention.

[0021] Figure 7 It is a side sectional view of the present invention.

[0022] Description of reference numerals: transmission housing 1, machine base 101, cover plate 102, bearing seat 11, positioning seat 12, bearing support 13, raised seat 14, screw hole 141, mounting plate 15, rotating seat 16, sealing plate seat 17, driving motor 2;

[0023] Transmission assembly 3, worm wheel 31, worm 32, core shaft 33, one-way bearing 1 34, one-way bearing 2 35, rotating sleeve 36, rotating shaft 37, active bevel gear 38, driven bevel gear 39, meat grinder shaft 4, slicer shaft 5. DETAILED DESCRIPTION

[0024] In order to make the technical solution of the present invention clearer, the present invention is further described below in conjunction with the accompanying drawings. Any equivalent replacement of the technical features of the technical solution of the present invention and any solution derived from conventional reasoning shall fall within the protection scope of the present invention. The fixed connection and fixed setting mentioned in the present invention are all common connection methods in the mechanical field, including welding, bolt and nut connection, and screw connection.

[0025] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Please refer to the attached Figure 1-7The present embodiment provides a mincer transmission mechanism, including a transmission housing 1, wherein a meat grinder shaft 4 and a slicer shaft 5 are horizontally penetrated at both ends of one side of the transmission housing 1, a transmission assembly 3 is arranged inside the transmission housing 1, and both ends of the transmission assembly are respectively connected to the meat grinder shaft 4 and the slicer shaft 5 for transmission, and the transmission assembly is driven to operate by a driving motor 2 installed at the bottom of the transmission housing 1; the transmission assembly 3 includes a worm wheel 31, a worm 32, a core shaft 33, a one-way bearing 1 34, a one-way bearing 2 35, an active bevel gear 38 and a driven bevel gear 39, the worm 32 is longitudinally rotatably arranged on one side of the middle part of the transmission housing, the bottom end of the worm 32 penetrates the bottom of the transmission housing 1 and is fixedly connected to the output shaft of the driving motor 2, one side of the worm 32 is meshedly connected to the worm wheel 31, the worm wheel 31 is arranged on the core shaft 33, the core shaft 33 is horizontally rotatably arranged in the transmission housing, and both ends of the core shaft 33 are respectively connected to the inner rings of the one-way bearing 1 34 and the one-way bearing 2 35, and the one-way bearing The one-way bearing 34 rotates in the opposite direction to the one-way bearing 35. The one-way bearing 34 and the one-way bearing 35 are respectively arranged in a rotating sleeve 36. The ends of the two rotating sleeves 36 that are far away from each other are horizontally provided with a rotating shaft 37 that is concentric with the core shaft 33. The two rotating shafts 37 are respectively provided with active bevel gears 38. One side of the two active bevel gears 38 is respectively meshed with a driven bevel gear 39. The two driven bevel gears 39 are respectively arranged on the meat grinder shaft 4 and the slicer shaft 5, so that the rotating When the shaft 37 rotates, the active bevel gear 38 and the driven bevel gear 39 cooperate to drive the meat grinder shaft 4 and the slicer shaft 5 to rotate respectively; when the drive motor 2 rotates forward, the worm gear 31 and worm 32 cooperate to drive the core shaft 33, the one-way bearing 1 34, the rotating shaft 37 and the meat grinder shaft 4 to rotate; when the drive motor 2 rotates reversely, the worm gear 31 and worm 32 cooperate to drive the core shaft 33, the one-way bearing 2 35, the rotating shaft 37 and the slicer shaft 5 to rotate, thereby realizing the switching of the mincing and cutting function.

[0027] In this embodiment, the rotating sleeves 36 are all hollow cylindrical structures, one end of the rotating sleeves 36 is open and embedded with the one-way bearing 1 34 or the one-way bearing 2 35, and the outer rings of the one-way bearing 1 34 and the one-way bearing 2 35 are respectively fitted with and fixedly connected to the inner walls of the two rotating sleeves 36; the other end of the rotating sleeve 36 is closed, and the center of the other end of the rotating sleeve 36 is integrally formed with a rotating shaft 37. When the core shaft 33 rotates forward, the inner ring of the one-way bearing 1 34 and its outer ring remain relatively fixed, thereby driving the rotating shaft 37 in the direction of the one-way bearing 1 34 to rotate, while the inner ring of the one-way bearing 2 35 and its outer ring remain relatively rotating, so the rotating shaft 37 in the direction of the one-way bearing 2 35 remains stationary. When the mandrel 33 rotates in reverse, the inner ring of the one-way bearing 1 34 and its outer ring keep rotating relative to each other, the rotating shaft 37 in the direction of the one-way bearing 1 34 keeps stationary, and the inner ring of the one-way bearing 2 35 and its outer ring keep fixed, thereby driving the rotating shaft 37 in the direction of the one-way bearing 2 35 to rotate. Therefore, the mandrel 33 is driven to rotate forward or reverse by the driving motor 2 to realize the switching operation of the cutting function.

[0028] In this embodiment, the transmission housing 1 includes a base 101 and a cover plate 102. The base 101 is a rectangular housing structure. The upper end of the base is opened and the cover plate 102 is installed. The cover plate 102 is connected and fixed to the base 101 by fasteners. The base 101 is filled with lubricating oil, so that various bearing components such as the worm wheel 31 and the worm 32 are immersed in the lubricating oil to maintain lubrication.

[0029] In this embodiment, a sealing plate seat 17 is respectively provided on the outer wall of one side of the transmission housing 1 located on the meat grinder shaft 4 and the slicer shaft 5. One side of the sealing plate seat 17 penetrates the side wall of the transmission housing 1 and is respectively sleeved on the meat grinder shaft 4 and the slicer shaft 5 through bearings. A hole is opened in the center of the sealing plate seat 17 for the meat grinder shaft 4 and the slicer shaft 5 to pass horizontally. A sealing sleeve is also provided in the sealing plate seat 17 to seal one side of the bearing and the hole to prevent the lubricating oil from overflowing.

[0030] In this embodiment, a bearing holder 11 is integrally formed above the worm 32 in the transmission housing 1, a rotating bearing is fixed in the bearing holder 11, and the inner ring of the rotating bearing is provided with the upper shaft end of the worm 32 to achieve the positioning of the worm 32. Positioning holders 12 are integrally formed at both ends of the inner cavity of the transmission housing 1, and a groove is provided in the middle of the positioning holder 12 for the core shaft 33 to pass through; a bearing support 13 is longitudinally provided between the two positioning holders 12 and the two sides of the bearing holder 11, and the two bearing supports 13 are rotatably connected to the two ends of the core shaft 33 through the bearing to achieve the support and positioning of the two ends of the core shaft 33.

[0031] In the present embodiment, a raised seat 14 is provided on the inner wall of one side of the inner cavity of the transmission housing, and the raised seat 14 is located on the side away from the worm 32. The bottom of the raised seat 14 extends to the bottom of the machine base 101, and the top of the raised seat 14 is flush with the top of the machine base 101. A screw hole 141 for installing the drive motor 2 is longitudinally penetrated in the raised seat 14; a mounting plate 15 is horizontally provided on the bottom of one side of the transmission housing 1 away from the raised seat 14, and screw holes 141 for longitudinally installing the drive motor 2 are also provided at the left and right ends of the mounting plate 15, respectively. The three screw holes form a triangular structure, so that the drive motor 2 can be effectively fixed by means of the three screw holes and fasteners.

[0032] In this embodiment, a rotating seat 16 is respectively embedded in the inner walls at both ends of the transmission housing, and the inner sides of the two rotating seats 16 are rotatably connected to one end of the two rotating shafts 37 through bearings to achieve support and positioning.

[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A meat grinder transmission mechanism, comprising a transmission housing (1), wherein a meat grinder shaft (4) and a slicer shaft (5) are horizontally penetrated at two ends of one side of the transmission housing (1), a transmission assembly is arranged inside the transmission housing (1), and two ends of the transmission assembly are respectively connected to the meat grinder shaft (4) and the slicer shaft (5) for transmission, and the transmission assembly is driven by a driving motor (2) installed at the bottom of the transmission housing (1); characterized in that: The transmission assembly comprises a worm wheel (31), a worm (32), a core shaft (33), a one-way bearing 1 (34), a one-way bearing 2 (35), a driving bevel gear (38) and a driven bevel gear (39); the worm (32) is longitudinally rotatably arranged on one side of the middle part of the transmission housing (1); the bottom end of the worm (32) penetrates the bottom of the transmission housing (1) and is fixedly connected to the output shaft of the drive motor (2); one side of the worm (32) is meshedly connected to the worm wheel (31); the worm wheel (31) is arranged on the core shaft (33); the core shaft (33) is horizontally rotatably arranged in the transmission housing (1); two ends of the core shaft (33) are respectively connected to the inner rings of the one-way bearing 1 (34) and the one-way bearing 2 (35); the one-way bearing 1 (34) and the one-way bearing 2 (35) rotate in opposite directions; the one-way bearing 1 (34) and the one-way bearing 2 (35) are respectively arranged in a rotating sleeve (36); the two rotating sleeves (36) ) are horizontally provided with a rotating shaft (37) coaxial with the core shaft (33) at one end away from the other, and the two rotating shafts (37) are respectively provided with the driving bevel gears (38), and the two driving bevel gears (38) are respectively meshed and connected with a driven bevel gear (39), and the two driven bevel gears (39) are respectively arranged on the meat grinder shaft (4) and the slicer shaft (5), so that when the rotating shaft (37) rotates, the driving bevel gears (38) and the driven bevel gears (39) are matched. The worm gear (31) and the worm gear (32) respectively drive the meat grinder shaft (4) and the slicer shaft (5) to rotate; when the driving motor (2) rotates forward, the worm gear (31) and the worm gear (32) cooperate to drive the core shaft (33), the one-way bearing (34), the rotating shaft (37) and the meat grinder shaft (4) to rotate; when the driving motor (2) rotates reversely, the worm gear (31) and the worm gear (32) cooperate to drive the core shaft (33), the one-way bearing (35), the rotating shaft (37) and the slicer shaft (5) to rotate.

2. A cutting machine transmission mechanism according to claim 1, characterized in that: The transmission housing (1) comprises a base (101) and a cover plate (102); the base (101) is a rectangular housing structure; the upper end of the base (101) is open and the cover plate (102) is installed thereon.

3. A cutting machine transmission mechanism according to claim 1, characterized in that: A bearing holder (11) is integrally formed in the transmission housing (1) above the worm (32), a rotary bearing is fixedly arranged in the bearing holder (11), and the upper shaft end of the worm (32) is arranged on the inner ring of the rotary bearing.

4. A cutting machine transmission mechanism as claimed in claim 3, characterized in that: Positioning seats (12) are integrally formed at both ends of the inner cavity of the transmission housing (1), and a groove is provided in the middle of the positioning seat (12) for the core shaft (33) to pass through; a bearing support (13) is longitudinally arranged between the two positioning seats (12) and the two sides of the bearing seat (11), and the two bearing supports (13) are rotatably connected to the two ends of the core shaft (33) through bearings.

5. A cutting machine transmission mechanism as claimed in claim 2, characterized in that: A protruding seat (14) is provided on the inner wall of one side of the inner cavity of the transmission housing (1), the protruding seat (14) is located on the side away from the worm (32), the bottom of the protruding seat (14) extends to the bottom of the machine base (101), the top of the protruding seat (14) is flush with the top of the machine base (101), and a screw hole (141) for mounting the drive motor (2) is longitudinally penetrated in the protruding seat (14); a mounting plate (15) is horizontally provided at the bottom of one side of the transmission housing (1) away from the protruding seat (14), and screw holes (141) for longitudinally mounting the drive motor (2) are also respectively provided at the left and right ends of the mounting plate (15).

6. A cutting machine transmission mechanism according to claim 1, characterized in that: A rotating seat (16) is respectively provided on the inner walls at both ends of the transmission housing (1), and the two rotating seats (16) are rotatably connected to one end of two rotating shafts (37) via bearings.

7. A cutting machine transmission mechanism according to claim 1, characterized in that: The rotating sleeves (36) are all hollow cylindrical structures. One end of the rotating sleeve (36) is open and embedded with the one-way bearing (34) or the one-way bearing (35). The outer rings of the one-way bearing (34) and the one-way bearing (35) are respectively fitted with and fixedly connected to the inner walls of the two rotating sleeves (36). The other end of the rotating sleeve (36) is closed, and the rotating shaft (37) is integrally formed at the center of the other end of the rotating sleeve (36).

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