CN210671875U

CN210671875U - Four-connecting-rod type double-action cutter mechanism

Info

Publication number: CN210671875U
Application number: CN201921275316.6U
Authority: CN
Inventors: 徐龙朝; 范常文; 王赞; 王睿
Original assignee: Qingdao Haikejia Intelligent Equipment Technology Co ltd
Current assignee: Qingdao Haikejia Intelligent Technology Co ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-06-05
Anticipated expiration: 2029-08-08

Abstract

The utility model provides a four connecting rod formula double action cutter mechanism, is including being used for driving main shaft pivoted hold-in range drive main shaft mechanism to and the rocker slider mechanism of the vertical direction motion of control cutter, the utility model has the advantages of: the eccentric wheel and the crank are coaxially arranged, so that the speed matching degree of the two actions is higher in each downward cutting process; through the four-bar mechanism driven by the eccentric wheel, the cutter can transversely move while cutting, so that the transverse displacement difference between the belt and the cutter is offset, and the problem that the cut surface of the steamed bun dough blank is inclined is solved.

Description

Four-connecting-rod type double-action cutter mechanism

Technical Field

The invention relates to a four-connecting-rod type double-acting cutter mechanism, which is mainly used for processing steamed bread and similar foods and belongs to the technical field of food processing machinery.

Background

According to the cutter mechanism on the existing square steamed bun production line, a cutter can only fall and rise in a single direction, a face column conveying belt continuously runs, the two motions act together to cause the inclination of a steamed bun dough section, so that the inconvenience is brought to subsequent packaging and sale, and the attractiveness of a product is influenced.

Disclosure of Invention

The invention aims to provide a four-connecting-rod type double-action cutter mechanism to solve the problems that the cut surface of a steamed bun dough blank is inclined, the shapes of processed steamed buns are different, and the weight is not uneven in the prior art.

The technical scheme of the invention is as follows: a four-connecting-rod type double-action cutter mechanism comprises a synchronous belt driving main shaft mechanism for driving a main shaft to rotate and a rocker slider mechanism for controlling a cutter to move in the vertical direction, and is characterized in that the rocker slider mechanism for controlling the cutter to move in the vertical direction comprises a crank, a linear guide rail and a cutter, the main shaft is hinged with the linear guide rail through the crank and a first driving connecting rod, the linear guide rail is slidably mounted on a slider hinge through a slider, and the cutter is connected to the linear guide rail through a cutter holder; the slide block hinge is connected with a four-bar linkage mechanism for controlling the cutter to transversely move back and forth, and the four-bar linkage mechanism for controlling the cutter to transversely move back and forth comprises: the top end of the cam rocker is in transmission connection with the main shaft, and the bottom end of the cam rocker is hinged with the middle part of the transverse connecting rod through the second driving connecting rod; two link mechanism side plates are arranged on two sides of the second driving connecting rod in parallel, one opposite side of each link mechanism side plate is hinged with a corner of an L-shaped long oscillating bar and a corner of a short oscillating bar respectively, the long oscillating bar is arranged above the short oscillating bar in parallel, short ends of the corners of the long oscillating bar and the short oscillating bar are hinged with the sliding block hinge, the other ends of the two long oscillating bars are hinged with two ends of a transverse connecting rod respectively, and the middle part of the long oscillating bar is hinged with the other end of the short oscillating bar through a transmission connecting rod.

The invention has the advantages that: the eccentric wheel and the crank are coaxially arranged, so that the speed matching degree of the two actions is higher in each downward cutting process; through the four-bar mechanism driven by the eccentric wheel, the cutter can transversely move while cutting, so that the transverse displacement difference between the belt and the cutter is offset, and the problem that the cut surface of the steamed bun dough blank is inclined is solved.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a front view of the synchronous belt drive spindle mechanism A of FIG. 1;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a front view of the four-bar linkage B for controlling the transverse forward and backward movement of the cutter in FIG. 1;

FIG. 5 is a left side view of FIG. 4;

FIG. 6 is a front view of the rocker-slider mechanism C of FIG. 1 controlling the vertical movement of the cutting blade;

fig. 7 is a left side view of fig. 6.

Detailed Description

Referring to fig. 1 to 7, the present invention includes: the synchronous belt drives a main shaft mechanism A, a four-bar linkage mechanism B for controlling the cutter to transversely move back and forth, and a rocker slider mechanism C for controlling the cutter to vertically move.

Referring to fig. 1 to 3, the synchronous belt drive spindle mechanism a includes: the cutter mounting device comprises a bearing seat 1, a main shaft mounting seat 2, a supporting plate 3, a belt seat bearing support 4, a belt vertical seat bearing 5, a cutter driving main shaft 6, a driven belt wheel 7, a synchronous belt 8, a servo motor 9, a motor mounting seat 10 and a driving belt wheel 11.

The main shaft mounting seat 2 and the motor mounting seat 10 are arranged on the supporting plate 3; the servo motor 9 is mounted on the motor mounting base 10. The drive pulley 11 is mounted on the servomotor 9. The bearing seat 1 and the bearing support 4 with the seat are arranged on the main shaft mounting seat 2. The vertical pedestal bearing 5 is mounted on the pedestal bearing support 4. Two ends of a cutter driving main shaft 6 are connected to deep groove ball bearings in a vertical bearing seat 5 and a bearing seat 1. A driven pulley 7 is mounted in a keyed connection on the cutter drive spindle 6. The driving pulley 11 and the driven pulley 7 are connected by a timing belt 8.

Referring to fig. 1, 4 and 5, the four-bar linkage B for controlling the transverse forward and backward movement of the cutter comprises: the mechanism comprises a cam rocker 12, a threaded sleeve 13, a joint bearing 14, a long swing rod 15, a joint bearing 16, a stud 17, a short swing rod 18, a link mechanism side plate 19, a slider hinge 20, a joint bearing outer sleeve 21 and a screw 22.

A cam rocker 12 (the eccentric wheel at the top end is used as a cam, the eccentric hole of the eccentric wheel is connected with the driving main shaft 6 key, and the periphery of the eccentric wheel is connected with the top end of the rocker through a deep groove ball bearing). One end in the threaded sleeve 13 is a left-handed threaded hole, the other end is a right-handed threaded hole, and the threaded sleeve is connected with two knuckle bearings 14 which are respectively provided with left-handed and right-handed external threads (forming a second driving connecting rod with adjustable length), so that the distance between the inner diameters of the two knuckle bearings can be adjusted by twisting the threaded sleeve 13, and the threaded sleeve can be regarded as a connecting rod with adjustable length. One end of the bearing group is connected and clamped by 2 joint bearing outer sleeves 21 and then sleeved on a screw rod 22, and the other end of the bearing group is arranged on the cam rocker 12 in the same way. Two ends of the screw 22 are clamped and fixedly arranged on the two symmetrical long swing rods 15 by nuts (the joint bearing outer sleeve 21 and the screw 22 form a transverse connecting rod). The long swing rod 15 and the short swing rod 18 are hinged on a side plate 19 of the link mechanism and form a parallelogram structure after being connected, the long swing rod 15 and the short swing rod 18 are always parallel in the motion process, and a slide block hinge 20 hinged together at the front ends of the long swing rod and the short swing rod is also ensured to be always in the vertical direction. 2 knuckle bearings 16 and a stud 17 are connected into a group (forming a transmission connecting rod), one end of each knuckle bearing is hinged on the long swing rod 15, and the other end of each knuckle bearing is hinged on the short swing rod 18. The slider hinges 20 are hinged on the long swing link 15 and the short swing link 18 through small-sized bearing combinations.

Referring to fig. 1, 6 and 7, the rocker-slider mechanism C for controlling the vertical movement of the cutting knife comprises: a crank 23, a joint bearing 24, a linear guide rail 25, a small shaft 26, a tool apron 27, a cutter pressing plate 28 and a cutter 29.

The crank 23 is keyed to the cutter drive spindle 6. 2 knuckle bearings 24 with positive and negative external threads and a threaded sleeve 13 are connected into a connecting rod with adjustable length, one end of the connecting rod is hinged on the crank 23, and the other end of the connecting rod is hinged on the upper end of a small shaft 26. The small shaft 26 is fixedly mounted on the linear guide 25. The linear guide 25 is slidably mounted on the slider hinge 20 through a slider, and the linear guide 25 moves up and down relative to the hinge 20 during movement. The tool holder 27 is connected to the linear guide 25. The cutter 29 is held by a cutter holder 28 and mounted on the cutter holder 27.

The working principle of the invention is as follows: the servo motor 9 transmits power to the cutter driving spindle 6 via the driving pulley 11, the timing belt 8 and the driven pulley 7.

The cutter driving main shaft 6 is used as a driving output shaft and transmits power to the cam rocker 12 and the crank 23, namely, the power is transmitted to the four-bar mechanism B for controlling the cutter to transversely move back and forth and the rocker slider mechanism C for controlling the cutter to vertically move.

The working process of the four-bar mechanism B for controlling the transverse forward and backward movement of the cutter is as follows:

1. the cutter driving main shaft 6 drives the cam rocker 12 to work, so that the left end of a long swing rod 15 connected with the cam rocker 12 swings up and down.

2. The left end of the long swing link 15 is swung up and down, so that the left end of the short swing link 18 connected with the middle section of the long swing link is swung up and down.

3. Since the lower right side of the L-shaped long swing link 15 and the lower right side of the short swing link 18 (see fig. 4) are both hinged to the side plate 19, the slider hinges 20 hinged to the lower right side of the long swing link 15 and the upper right side of the short swing link 18 (the short end bent upward) are driven to swing in an arc-shaped path.

4. The slide block loose-leaf 20 swings in an arc-shaped path, and the main purpose of designing the structure B is to obtain the independent motion of the transverse reciprocating motion in the swinging process.

The working process of the rocker-slider mechanism C for controlling the vertical movement of the cutter is as follows:

1. the cutter driving main shaft 6 drives the crank 23 to work, so that the small shaft 26 connected with the crank 23 moves up and down.

2. The small shaft 26 moves up and down to drive the linear guide rail 25, the tool apron 27, the cutter pressing plate 28 and the cutter 29 to move up and down together.

3. The main purpose of designing the C mechanism is to obtain the independent action of the up-and-down movement of the cutter 29.

Through the combined action of the structure B and the structure C, the cutter obtains the sub-actions of transverse reciprocating motion and up-and-down reciprocating motion.

The installation angle of the cam rocker 12 and the crank 23 on the cutter driving spindle 6 is required.

The crank 23 is required to drive the cutter 29 to cut down to half of the stroke, and the partial motion of the transverse reciprocating motion controlled by the cam rocker 12 just starts to move right. The actual path of movement of the cutter 29 resembles a drop of water with a sharp downward angle.

Claims

1. A four-link type double-action cutter mechanism comprises a synchronous belt driving spindle mechanism (A) for driving a spindle (6) to rotate and a rocker-slider mechanism (C) for controlling the cutter to move in the vertical direction, and is characterized in that the rocker-slider mechanism (C) for controlling the cutter to move in the vertical direction comprises a crank (23), a linear guide rail (25) and a cutter (29), the spindle (6) is hinged with the linear guide rail (25) through the crank (23) and a first driving connecting rod (24), the linear guide rail (25) is slidably mounted on a slider hinge (20) through a slider, and the cutter (29) is connected to the linear guide rail (25) through a cutter holder (27); the slide block hinge (20) is connected with a four-bar mechanism (B) for controlling the cutter to transversely move back and forth, and the four-bar mechanism (B) for controlling the cutter to transversely move back and forth comprises: the device comprises a cam rocker (12), a second driving connecting rod (13), a long rocker (15), a short rocker (18), a connecting rod mechanism side plate (19) and a transverse connecting rod (21), wherein the top end of the cam rocker (12) is in transmission connection with the main shaft (6), and the bottom end of the cam rocker (12) is hinged with the middle part of the transverse connecting rod (21) through the second driving connecting rod; two link mechanism side plates (19) are arranged on two sides of the second driving connecting rod (13) in parallel, one opposite side of each link mechanism side plate (19) is hinged with a corner of an L-shaped long swing rod (15) and a corner of a short swing rod (18) respectively, the long swing rods (15) are arranged above the short swing rods (18) in parallel, short ends of the corners of the long swing rods (15) and the short swing rods (18) are hinged with the slider hinges (20), the other ends of the two long swing rods (15) are hinged with two ends of a transverse connecting rod (21) respectively, and the middle of each long swing rod (15) is hinged with the other end of the corresponding short swing rod (18) through a transmission connecting rod (17).

2. The mechanism of claim 1, wherein the synchronous belt drive spindle mechanism (a) comprises: the cutter driving mechanism comprises a bearing seat (1), a main shaft mounting seat (2), a supporting plate (3), a bearing support with a seat (4), a bearing with a vertical seat (5), a cutter driving main shaft (6), a driven belt pulley (7), a synchronous belt (8), a servo motor (9), a motor mounting seat (10) and a driving belt pulley (11), wherein the main shaft mounting seat (2) and the motor mounting seat (10) are mounted on the supporting plate (3); the servo motor (9) is arranged on the motor mounting seat (10); the driving belt wheel (11) is arranged on the servo motor (9); the bearing seat (1) and the bearing support (4) with the seat are arranged on the main shaft mounting seat (2); the bearing (5) with the vertical seat is arranged on the bearing support (4) with the seat; two ends of a cutter driving main shaft (6) are connected to deep groove ball bearings in a bearing (5) with a vertical seat and a bearing seat (1); the driven belt wheel (7) is arranged on the cutter driving main shaft (6) in a key connection mode; the driving belt wheel (11) and the driven belt wheel (7) are connected through a synchronous belt (8).

3. The four-link double action cutter mechanism according to claim 1, wherein the second drive link, the transverse link, the transmission link (17) and the first drive link (24) are all of length adjustable construction.

4. A four-bar linkage type double acting cutter mechanism according to claim 3, characterized in that the length adjustable structural threaded sleeve and the knuckle bearing (14) are provided with screw holes of opposite threads at both ends of the threaded sleeve, and a knuckle bearing is fittingly installed in the absence of the screw holes, each knuckle bearing being adapted to be articulated with other connected objects.

5. The four-link type double-action cutter mechanism according to claim 1, wherein in the rocker-slider mechanism (C) for controlling the vertical movement of the cutter, the bottom end of the first driving link (24) is hinged at the upper end of a small shaft (26), and the lower end of the small shaft (26) is fixedly connected to the linear guide rail (25); the cutter holder (27) is connected to the linear guide rail (25), and the cutter (29) is clamped by the cutter pressing plate (28) and then is installed on the cutter holder (27).