CN108576169B

CN108576169B - Automatic bone sawing machine

Info

Publication number: CN108576169B
Application number: CN201810351519.2A
Authority: CN
Inventors: 丁彩红; 杨延竹; 夏文; 李暑程; 左永强; 季兴跃
Original assignee: Donghua University
Current assignee: Donghua University
Priority date: 2018-04-17
Filing date: 2018-04-17
Publication date: 2021-04-20
Anticipated expiration: 2038-04-17
Also published as: CN108576169A

Abstract

The invention relates to an automatic bone sawing machine which is characterized by comprising a machine frame, a door plate, a saw blade cutting device, a feeding clamping device, a saw blade tensioning device, a first working table, a feeding table, a first fixed-length baffle and a material pushing device. The feeding clamping device can automatically clamp and convey materials to the saw blade for material cutting, and automatic blanking is completed through the two slopes of the first workbench. The invention solves the problems of low safety coefficient and lower working efficiency of the existing bone sawing machine. The automatic switching device not only has an automatic operation mode, but also can be conveniently switched to a manual operation mode.

Description

Automatic bone sawing machine

Technical Field

The invention relates to an automatic bone sawing machine, which is particularly suitable for cutting frozen meat similar to a round bar, and belongs to the technical field of cutting processing of frozen meat.

Background

The bone sawing machine is used for processing various small and medium-sized animal bones, frozen meat, hairtail bones, frozen fish and ice cakes. The bone sawing machine generally comprises a frame, a motor, a circular saw, a translation table and an electric control working plate. At present, the animal bone sawing machine sold in the market generally can only realize the automation of the cutting process, and the feeding, the clamping and the material conveying as well as the discharging are all completed by manual operation. In the process of manually operating the bone sawing machine, limbs need to be close to the electric saw blade rotating at a high speed, particularly, the distance between the thumb and the saw blade performing cutting operation is short, so most of bone sawing machines in the market have low safety factors, and workers are very easy to have industrial accidents during the cutting operation. Therefore, there is a strong need in the market for an automatic cutting machine that can automate the processes of material holding, conveying, cutting, and the like.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: realize the automation of holding material conveying, cutting and discharging of the bone sawing machine.

In order to solve the technical problems, the technical scheme of the invention is to provide an automatic bone sawing machine, the running direction of a material on the automatic bone sawing machine is defined as a front-back direction, wherein, the advancing direction of the material is defined as a front direction, the automatic bone sawing machine comprises a frame, a door plate, a first workbench fixed on the frame, and a saw blade cutting device, the first workbench is horizontally arranged, at least one tooth-shaped saw blade of the saw blade cutting device vertically passes through the first workbench, the automatic bone sawing machine is characterized in that a feeding platform and a blanking part are respectively arranged at the front end and the rear end of the first workbench, a first fixed length baffle and a material pushing device are respectively arranged at the left side and the right side of the feeding platform, the door plate is fixed on the frame through a hinge and can be opened and closed, the automatic bone sawing machine also comprises a material feeding clamping device, after the material falls into the feeding clamping device from the feeding platform, the material is pushed by the material pushing device from, until the end of the material is abutted against the first certain long baffle;

the feeding clamping device comprises a transmission mechanism and N pairs of chain plate units which are driven by the transmission mechanism to circularly rotate, wherein N is more than or equal to 3, the N pairs of chain plate units are exposed out of the first workbench in the feeding process and run to the discharging part from the feeding platform, each pair of chain plate units at least comprises two chain plate units, two groups of all chain plate units of each pair of chain plate units run on two sides of the tooth-shaped saw blade in the feeding process, after materials fall into the feeding clamping device from the feeding platform, the ith pair of chain plate units are matched with the (i + 1) th pair of chain plate units to clamp the materials, and when the ith pair of chain plate units run to the discharging part, the materials are released and are discharged from the discharging part, wherein i is 1, … and N-1.

Preferably, saw blade cutting device is including being located the driving pulley of first workstation below and being located the passive band pulley of first workstation top, the coaxial fixed mounting of driving pulley on first driving motor's output shaft, first driving motor fixes in the frame, passive band pulley passes through bearing fixed mounting on driven wheel mounting panel, and driven wheel mounting panel is located in the frame, and driven wheel mounting panel is in can reciprocate in the frame, the profile of tooth saw blade is the shape cover back and is on driving pulley and passive band pulley, one section vertical section of profile of tooth saw blade passes first workstation.

Preferably, the saw blade tensioning device is used for driving the driven wheel support plate to move up and down, so that the tooth-shaped saw blade is tensioned or loosened.

Preferably, the saw blade tensioning device comprises a handle, a screw rod and an output nut which can only move up and down, the output nut is fixedly connected with the driven wheel support plate, and the handle drives the output nut to move up and down through the screw rod.

Preferably, the transmission mechanism comprises a driving chain wheel and a driven chain wheel which are fixed on the rack through bearings, the driving chain wheel and the driven chain wheel are K-row chain wheels, K is larger than or equal to 2, K chain wheels are wound on the driving chain wheel and the driven chain wheel, the driving chain wheel is driven to rotate after being subjected to power transmission through a steering gear set by a second driving motor fixed on the rack, the driven chain wheel is driven to rotate synchronously through a chain, one chain plate unit is fixed on each chain link of the K chain wheels, and all the chain plate units on the same straight line in the left-right direction form a pair of the chain plate units.

Preferably, the chain plate unit comprises a U-shaped chain plate, a first clamp, a second clamp and a spring, two vertical parts of the U-shaped chain plate are respectively fixed at the left side and the right side of the chain, and is connected and fixed with the chain link pin, the first clamp, the second clamp and the spring are arranged on the horizontal part of the U-shaped chain plate, the front end of the first clamp is nested and matched with the rear end of the second clamp, so that the second clamp can move back and forth, a spring is arranged between the front end of the first clamp and the rear end of the second clamp, two ends of the spring are respectively connected and fixed with the first clamp and the second clamp, when the spring is free state, first anchor clamps and second anchor clamps keep connected state, and the rear end of first anchor clamps and the front end of second anchor clamps are the clamping part, and the rear end of the first anchor clamps of ith link joint unit cooperates with the front end of the second anchor clamps of the adjacent (i + 1) th link joint unit in front and back with the centre gripping material.

Preferably, the rear end part of the first certain long baffle is provided with a first cylindrical sleeve, the first cylindrical sleeve is coaxially sleeved on a cylindrical guide rod arranged along the left-right direction, the front end part of the first certain long baffle is a first L-shaped plate, and the first L-shaped plate is vertically placed on the first workbench.

Preferably, the blanking part is a first slope and a second slope which are positioned on the left side and the right side of the feeding clamping device, the first slope and the second slope are arranged on the first workbench, and cut materials slide down and are blanked along the first slope and the second slope from the left side and the right side of the first workbench.

Preferably, the saw blade further comprises a second workbench and a second fixed-length baffle, the second workbench is a concave thin-walled piece, a narrow groove is formed in the middle of the rear end of the second workbench, the second workbench is covered and fixed on the first workbench in a reverse buckling mode, and the tooth-shaped saw blade vertically penetrates through a middle notch of the second workbench;

the rear end part of the second fixed-length baffle is provided with a second cylindrical sleeve, the second cylindrical sleeve is connected to cylindrical guide rods arranged in the left-right direction in a sliding mode, the front end part of the second fixed-length baffle is an L-shaped plate II, and the L-shaped plate II is vertically placed above a second workbench.

Compared with the prior art, the automatic bone sawing machine solves the problems of low safety coefficient and low working efficiency of the existing bone sawing machine, and realizes the automation of the processing processes of feeding, cutting and discharging. The bone sawing machine provided by the invention not only has an automatic operation mode, but also can be conveniently switched to a manual operation mode.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial schematic view of the present invention with the door panel open and the frame cover removed;

FIG. 3 is a partial schematic view of the feed clamping device of the present invention;

fig. 4 is a schematic structural view of a link plate unit of the present invention;

FIG. 5 is a partial schematic view of the structure of the first work table, the feeding table, the first elongated baffle and the pushing device of the present invention;

fig. 6 is an overall structural schematic diagram of the present invention in a manual operation mode.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

In the following embodiments, the direction of travel of the material on the automatic bone sawing machine is defined as the front-to-back direction, wherein the direction of advance of the material is defined as the front.

Example 1

The automatic bone sawing machine disclosed in the embodiment of the invention is shown in fig. 1 and comprises a machine frame 1, a door plate 2, a saw blade cutting device 3, a feeding clamping device 4, a saw blade tensioning device 5, a first working table 6, a feeding table 7, a first fixed length baffle 8 and a material pushing device 9. Wherein, frame 1 is the font of falling T, for the steel construction that the steel sheet adds the rib support, including frame bottom plate 11, frame riser 12 and frame apron 13, frame bottom plate 11 is used for supporting whole machine, and frame riser 12 is used for installing other parts. The door plate 2 is fixed on the vertical plate 12 of the frame through a hinge, and can realize the exposure or the hiding of other parts in the opening and closing operation. The first workbench 6 is fixed on the frame 1 and is positioned in the middle of the frame 1. The feeding table 7 is fixedly placed on the rear end plane of the first workbench 6. The first certain long baffle 8 and the pushing device 9 are respectively arranged on the left side surface and the right side surface of the feeding platform 7, and the pushing device 9 is a cylinder driving device and is fixed on the first workbench 6.

As shown in fig. 2, the saw blade cutting device 3 includes a driving pulley 31, a driven pulley 32, a first driving motor 33, a driven wheel holder plate 34, and a tooth-shaped saw blade 35. The driving pulley 31 is located below the first table 6, and the driven pulley 32 is located above the first table 6. The first driving motor 33 is fixedly installed on the front side of the frame vertical plate 12, an output shaft of the first driving motor 33 penetrates through a through hole in the frame vertical plate 12 and extends out of the rear side of the frame vertical plate 12, and the driving pulley 31 is coaxially and fixedly installed on the output shaft of the first driving motor 33. The driven belt wheel 32 is fixedly arranged on a driven wheel support plate 34 through a bearing, and the driven wheel support plate 34 is placed in a groove above the vertical plate 12 of the frame and can move up and down along the back side surface of the vertical plate 12 of the frame. The tooth saw 35 is looped over the driving pulley 31 and the driven pulley 32.

As shown in fig. 2, the blade tensioning device 5 is a lead screw nut structure, comprising a handle 51, a screw 52 and an output nut 53. The output nut 53 is constrained to move only up and down and is fixedly connected with the driven wheel support plate 34. Forward or reverse rotation of the handle 51 raises or lowers the follower support plate 34, thereby tightening or loosening the toothed saw blade 35.

As shown in fig. 2 and 3, the feeding and gripping device 4 includes a second driving motor 41, a steering gear set 42, a driving sprocket 43, a driven sprocket 44, a chain 45, a link plate unit 46, and a chain 45'. The driving chain wheel 43 and the driven chain wheel 44 are double-row chain wheels and are fixed on the vertical plate 12 of the frame through bearings. The chain 45 and the chain 45' are wound around the driving sprocket 43 and the driven sprocket 44. The second drive motor 41 is fixed on the frame riser 12 through a rib bracket, and transmits power to the drive sprocket 44 through the steering gear set 42 so as to drive the chain 45 and the chain 45' to move. One link plate unit 46 is fixedly disposed on each link of the chain 45 and the chain 45'.

As shown in fig. 3 and 4, the link plate unit 46 includes a U-shaped link plate 461, a first clamp 462, a second clamp 463 and a spring 464. The first clamp 462 and the second clamp 463 are both in a structure that one end is in a U-shaped groove structure, and the other end is in a similar concave arc surface structure. Wherein, the rear end of the first clamp 462 is of a structure similar to a concave arc surface, and the front end is of a U-shaped groove structure; the rear end of the second clamp 463 is of a groove structure, and the front end is of a concave arc surface-like structure. The U-shaped link plates 461 are placed upside down, the left and right vertical parts of the U-shaped link plates 461 are fixed on the link pins of the chain 45 or 45', and one U-shaped link plate 461 is fixed on one chain link. A first clamp 462 is fixed to a horizontal portion of the bottom surface of the U-shaped link plate 461. The second 463 and first 462 jigs are installed back-to-back, the U-shaped groove at the rear end of the second 463 is placed inside the U-shaped groove at the front end of the first 462 jig, and the second 463 can move in the front-to-back direction. A spring 464 is disposed between the first and

second clamps

462 and 463, and both ends of the spring 464 are fixed to U-shaped grooves of the first and

second clamps

462 and 463, respectively. When the spring 464 is in a free state, the second clamp 463 is located at least not to slide out with respect to the first clamp 462.

As shown in fig. 5, a cylindrical guide rod 61 is fixed on the rear end surface of the first worktable 6, and the middle plane of the first worktable 6 is provided with a first notch 64, a second notch 64' and a third notch 64 ″. The second notch 64' and the third notch 64 "are equally wide and long and are located on symmetrical sides of the first notch 64. The first notch 64 can allow the tooth-shaped saw blade 35 to pass through, the second notch 64 ' can allow all the chain plate units 46 on the chain 45 to pass through, the second notch 64 ' can allow all the chain plate units 46 on the chain 45 ' to pass through, and the left side plane and the right side plane of the first working platform 6 are respectively provided with a first slope 62 and a second slope 63 for blanking the cut two parts of materials.

As shown in fig. 5, the loading table 7 has a platform and a ramp, the middle of which is provided with two notches aligned with the second notch 64' and the third notch 64 "of the first table 6.

As shown in fig. 5, the rear end of the first fixed long baffle 8 is a cylindrical sleeve i, which is slidably sleeved on the cylindrical guide rod 61, and the front end is an L-shaped plate i, which is vertically placed on the first worktable 6. The first elongated baffle-panel 8 can be moved into position and then fixed to the cylindrical guide 61,

as shown in fig. 1-5, the operation process of the present invention is: after the power is on, the tooth-shaped saw blade 35 and the chain plate unit 46 are in a moving state, when a material horizontally slides into the first workbench 6 along a slope and is located in the opening range of the chain plate unit 46, then the pushing device 9 pushes the material to enable one end of the length of the material to abut against the first long baffle 8, the second clamp 463 of the moving chain plate unit 46 is gradually folded towards the first clamp 462, the chain 45 and the chain plate unit 46 of the chain 45' clamp the material simultaneously through the compression spring 464, the material is conveyed to approach the tooth-shaped saw blade 35 through the movement of the chain and is cut off, the material continues to move forward after being cut off, when the chain link starts to turn, the first clamp 462 and the second clamp 463 are opened, and two parts of the material enter the material receiving barrel along the first slope 62 and the second slope 63.

Example 2

As shown in fig. 6, the present embodiment is different from embodiment 1 in that the present embodiment operates in an operation mode of manual operation. In this mode of operation, a second table 6 'and a second shear tie 8' are also included. The second working platform 6 'is a concave thin-wall piece, and covers and fixes on the first working platform 6 in a back-off manner, and a narrow groove allowing the tooth-shaped saw blade 35 to pass through is arranged in the middle of the rear end of the second working platform 6'. The rear end of the second fixed-length baffle 8 'is provided with a second cylindrical sleeve, the second cylindrical sleeve is connected to the cylindrical guide rod 61 in a sliding mode, the front end of the second fixed-length baffle 8' is provided with a second L-shaped plate, and the second L-shaped plate is vertically placed on the second workbench 6 'and is higher than the front end of the first fixed-length baffle 8 to adapt to the height of the second workbench 6'.

The invention can be quickly and conveniently switched to a manual operation mode, and the specific operation mode is as follows: the first fixed-length fence 8 is removed, the notch of the second table 6 ' is centered on the serrated saw blade 35 so as to be pushed in from the right side to the left side of the first table 6, the feeding table 7 and the link plate unit 46 exposed above the first table 6 are covered, then fixed on the first table 6, and finally the second fixed-length fence 8 ' is placed on the second table 6 ' and fixed with the cylindrical guide rod 61. The structure of the osteotome machine in manual operation mode is shown in fig. 6.

Claims

1. An automatic bone sawing machine, the direction of operation of the supplies on the automatic bone sawing machine is defined as the fore-and-aft direction, wherein, the direction of advance of the supplies is defined as the front, then the said automatic bone sawing machine includes the stander (1) and fixes the first work station (6), saw blade cutting device (3) on the stander (1), the first work station (6) is placed horizontally, at least a serrated saw blade (35) of the saw blade cutting device (3) crosses the first work station (6) vertically, characterized by, there are loading platforms (7) and blanking department respectively in the front, the back both ends of the first work station (6), there are first definite length baffles (8) and bleviles (9) on the left, right both sides of the loading platform (7) respectively, the said automatic bone sawing machine also includes the feeder (4), after the supplies fall into the feeder (4) from the loading platform (7), promote the supplies from the left and right directions by the bleviles (9), until the end of the material is pressed against the first certain long baffle (8);

the feeding clamping device (4) comprises a transmission mechanism and N pairs of chain plate units which are driven by the transmission mechanism to circularly rotate, wherein N is more than or equal to 3, the N pairs of chain plate units are exposed out of the first workbench (6) in the feeding process and run to the discharging part from the feeding platform (7), each pair of chain plate units at least comprises two chain plate units (46), two groups of all the chain plate units (46) of each pair of chain plate units run on two sides of the tooth-shaped saw blade (35) in the feeding process, materials fall into the feeding clamping device (4) from the feeding platform (7), the ith pair of chain plate units are matched with the (i + 1) th pair of chain plate units to clamp the materials, and when the ith pair of chain plate units run to the discharging part, the materials are released and discharged through the discharging part, i is 1, … and N-1;

the transmission mechanism comprises a driving chain wheel (43) and a driven chain wheel (44) which are fixed on the rack (1) through bearings, the driving chain wheel (43) and the driven chain wheel (44) are K rows of chain wheels, K is more than or equal to 2, K chain wheels are wound on the driving chain wheel (43) and the driven chain wheel (44), the driving chain wheel (43) is driven to rotate after power transmission of a second driving motor (41) fixed on the rack (1) through a steering gear set (42), the driven chain wheel (44) is driven to synchronously rotate through a chain (45), one chain plate unit (46) is fixed on each chain link of the K chain wheels, and all the chain plate units (46) which are positioned on the same straight line in the left-right direction form a pair of the chain plate units;

the chain plate unit (46) comprises a U-shaped chain plate (461), a first clamp (462), a second clamp (463) and a spring (464), wherein two vertical parts of the U-shaped chain plate (461) are respectively fixed on the left side and the right side of the chain and are fixedly connected with a chain link pin, the first clamp (462), the second clamp (463) and the spring (464) are arranged on the horizontal part of the U-shaped chain plate (461), the front end of the first clamp (462) is in nested fit with the rear end of the second clamp (463) so that the second clamp (463) can move back and forth, the spring (464) is arranged between the front end of the first clamp (462) and the rear end of the second clamp (463), two ends of the spring (464) are respectively connected and fixed with the first clamp (462) and the second clamp (463), when the spring (464) is in a free state, the first clamp (462) and the second clamp (463) are kept in a connected state, and the rear end of the first clamp (462) and the front end of the second clamp (463) are clamping parts, the rear end of the first clamp (462) of the ith chain plate unit (46) is matched with the front end of the second clamp (463) of the (i + 1) th chain plate unit (46) adjacent to the front and the back to clamp the material;

the first clamp (462) and the second clamp (463) are both in a structure form that one end is in a U-shaped groove structure, the other end is in a structure similar to a concave arc surface, wherein the rear end of the first clamp (462) is in a structure similar to a concave arc surface, and the front end is in a U-shaped groove structure; the rear end of the second clamp (463) is of a groove structure, and the front end of the second clamp is of a structure similar to a concave arc surface; the U-shaped chain plates (461) are placed in an inverted mode, the left vertical part and the right vertical part of each U-shaped chain plate (461) are fixed on the chain link pins of the chain (45), and one U-shaped chain plate (461) is fixed on one chain link; a first clamp (462) is fixed on the horizontal part of the bottom surface of the U-shaped chain plate (461); the second clamp (463) and the first clamp (462) adopt a back-to-back installation mode, a U-shaped groove at the rear end of the second clamp (463) is placed on the inner side of the U-shaped groove at the front end of the first clamp (462), and the second clamp (463) can move along the front-to-back direction; a spring (464) is placed between the first clamp (462) and the second clamp (463), and two ends of the spring (464) are respectively fixed on the U-shaped grooves of the first clamp (462) and the second clamp (463); when the spring (464) is in a free state, the second clamp (463) is located at least in a non-slip-out position relative to the first clamp (462).

2. An automatic bone sawing machine as claimed in claim 1, characterised in that the saw blade cutting means (3) comprises a driving pulley (31) located below the first table (6) and a driven pulley (32) located above the first table (6), the driving pulley (31) is coaxially and fixedly mounted on the output shaft of a first driving motor (33), the first driving motor (33) is fixed on the frame (1), the driven pulley (32) is fixedly mounted on a driven wheel bracket plate (34) through a bearing, the driven wheel bracket plate (34) is arranged on the frame (1), and the driven wheel support plate (34) can move up and down on the frame (1), the tooth-shaped saw blade (35) is sleeved on the driving belt wheel (31) and the driven belt wheel (32) in a shape of a Chinese character 'hui', a vertical section of the toothed saw blade (35) passes through the first table (6).

3. An automatic bone sawing machine according to claim 2 further comprising a saw blade tensioning device (5) for moving said driven wheel support plate (34) up and down to tension or loosen said toothed saw blade (35).

4. An automatic bone sawing machine as claimed in claim 3 characterised in that the saw blade tensioning means (5) comprises a handle (51), a screw (52) and an output nut (53) which can only move up and down, the output nut (53) is fixedly connected with the driven wheel support plate (34), the handle (51) drives the output nut (53) to move up and down via the screw (52).

5. An automatic bone sawing machine as claimed in claim 1, characterised in that the rear end of said first elongated baffle (8) is provided with a first cylindrical sleeve coaxially fitted over cylindrical guide rods (61) arranged in the left-right direction, the front end of the first elongated baffle (8) is an L-shaped plate one vertically placed on said first table (6).

6. The automatic bone sawing machine according to claim 1, characterized in that the blanking part is a first slope (62) and a second slope (63) which are positioned at the left and right sides of the feeding clamping device (4), the first slope (62) and the second slope (63) are arranged on the first workbench (6), and the cut materials slide down and are blanked from the left and right sides of the first workbench (6) along the first slope (62) and the second slope (63).

7. An automatic bone sawing machine according to claim 1, further comprising a second working table (6 ') and a second length-fixing baffle (8 '), wherein the second working table (6 ') is a concave thin-wall member, a narrow slot is formed in the center of the rear end, the second working table (6 ') covers and is fixed on the first working table (6) in a reversed manner, and the tooth-shaped saw blade (35) vertically penetrates through the middle notch of the second working table (6 ');

the rear end part of the second fixed-length baffle (8 ') is provided with a second cylindrical sleeve, the second cylindrical sleeve is connected to a cylindrical guide rod (61) arranged along the left-right direction in a sliding mode, the front end part of the second fixed-length baffle (8 ') is an L-shaped plate II, and the L-shaped plate II is vertically placed above the second workbench (6 ').