Bone sawing machine with adjustable cutting blade spacing

Abstract

The present invention belongs to the technical field of bone sawing machines, and specifically relates to a bone sawing machine with adjustable cutting blade spacing, comprising a working plate, the working plate being arranged in an I-shape, a plurality of cutting knives being arranged in a horizontally equidistant array on the working plate, an adjusting component capable of adjusting the distance between two adjacent cutting knives being arranged on the working plate, a conveying mechanism being arranged between two adjacent cutting knives, the conveying mechanism being capable of extending and retracting following the change in the distance between the two adjacent cutting knives, a stabilizing component being arranged on the top of the working plate and above the cutting knives, a braking component being arranged on the stabilizing component for fixing the cutting knives; the present invention can drive the knife seat and the cutting knives on the mounting block to move equidistantly, facilitates the adjustment of the spacing between the cutting knives, adapts to the characteristics of different food materials and diversified processing requirements, and improves the use flexibility and use effect of the equipment.

Description

Technical Field

[0001] The invention belongs to the technical field of bone sawing machines, and in particular relates to a bone sawing machine with adjustable cutting blade spacing. Background Art

[0002] The bone sawing machine is a kind of processing equipment which consists of a frame, a motor, a circular saw, a working platform and an electric-controlled working board. It is suitable for processing various small and medium-sized animal bones, frozen meat, hairtail bones, frozen fish and ice cubes.

[0003] Problems with existing technologies:

[0004] The multi-segment bone sawing machines currently on the market generally adopt a multi-segment saw blade integrated design. These saw blades operate synchronously and can efficiently complete the multi-segment cutting task of bones. However, a significant limitation of these devices is that the spacing between the saw blades is fixed and cannot be flexibly adjusted according to actual cutting needs. This design rigidity makes it difficult for the machine to adapt to the characteristics of different ingredients and diverse processing requirements, greatly limiting the flexibility of the equipment, thereby restricting the scope of application and processing efficiency of the bone sawing machine to a certain extent. Summary of the invention

[0005] The purpose of the present invention is to provide a bone sawing machine with adjustable cutting blade spacing, which can drive the knife seat and the cutting knife on the mounting block to move equidistantly, facilitate the adjustment of the spacing between the cutting knives, adapt to the characteristics of different ingredients and diversified processing requirements, and improve the flexibility and effect of the equipment.

[0006] The technical solution adopted by the present invention is as follows:

[0007] A bone sawing machine with adjustable cutting blade spacing, comprising a working plate, the working plate being arranged in an I-shape, a plurality of cutting knives being arranged in a horizontally equidistant array on the working plate, an adjusting component capable of adjusting the distance between two adjacent cutting knives being arranged on the working plate, a transmission mechanism being arranged between two adjacent cutting knives, the transmission mechanism being capable of extending and retracting in response to the change in the distance between the two adjacent cutting knives, a stabilizing component being arranged on the top of the working plate and above the cutting knives, and a braking component capable of fixing the cutting knives being arranged on the stabilizing component;

[0008] The adjusting assembly includes a double-headed screw arranged at the bottom of the working plate, a positioning block rotatably connected to the middle part of the double-headed screw arranged at the bottom of the working plate, a moving block is screwed to the outer wall of the double-headed screw and located on both sides of the positioning block, a plurality of first sliding blocks are arranged on the outer wall of the double-headed screw and located between the moving block and the positioning block, a through hole slidably connected to the double-headed screw is opened on the first sliding block, a short rod is rotatably installed on one side of the moving block and the positioning block, two short rods are symmetrically installed on one side of the positioning block, a long rod is rotatably installed on one side of the first sliding block, and the middle part of the long rod is connected to the first One side of the slider is rotatably connected, one end of the two adjacent long rods is rotatably connected, and the ends of the long rod and the short rod that are close to each other are rotatably connected, and the other sides of the moving block, the positioning block and the first slider are all fixed with a mounting block, and a knife seat detachably connected to the cutting knife is slidably mounted on one side of the mounting block, and a first connecting rod is rotatably connected to the bottom of the knife seat, and a crankshaft is rotatably mounted on the bottom of the working plate and below the knife seat, and a mounting hole slidably connected to the crankshaft is provided on the first connecting rod, and a motor connected to one end of the crankshaft is provided at the bottom of the working plate, and a crank handle is fixed to one end of the double-headed screw rod;

[0009] The transmission mechanism includes baffles fixed on both sides of the top of the working plate, a first rotating shaft is rotatably installed between the outer walls of the two baffles and located on the front and rear sides of the cutting knife, a telescopic mechanism is provided between the outer walls of the two first rotating shafts and located on the left and right sides of the cutting knife, the telescopic mechanism includes a plurality of shaft blocks slidably installed on the outer wall of the first rotating shaft, a ratchet is fixed on the outer wall of the shaft block, a chain is provided between the outer walls of the ratchet wheels corresponding to the two first rotating shafts, a plurality of push rods are equidistantly provided on the outer wall of the chain, a fixed plate is rotatably installed between the outer walls of the two shaft blocks and located on both sides of the ratchet, a scissor rod is provided between the outer walls of two adjacent fixed plates, a third slider is fixed to the top of the moving block and the first slider, a third slide groove is provided through the top of the working plate and is slidably connected to the third slider, the top two sides of the third slider are fixedly connected to the fixed plates close to the two sides of the cutting knife, the fixed plates on the telescopic mechanism at both ends are close to the baffle and fixedly connected to the baffle, and the output shaft of the motor is connected to one of the first rotating shafts through a first belt drive

[0010] The length of the long rod is twice the length of the short rod.

[0011] The stabilizing component includes a mounting bracket arranged on the top of the working plate, and plug-in holes are provided on both sides of the top of the mounting bracket, and guide rods are plugged into the plug-in holes, and limiting blocks are fixed on the outer walls of the guide rods and on both sides of the plug-in holes. A first mounting plate is fixed between the bottom ends of the two guide rods, and a second slide groove is provided at the bottom of the first mounting plate, and a plurality of second sliders are slidably installed inside the second slide groove, and the outer wall of the second slider is detachably connected to the top of the cutting knife.

[0012] A spring is sleeved on the outer wall of the guide rod and located above the plug hole, and an adjustment block is screwed on the outer wall of the guide rod and located above the spring. Both ends of the spring are in contact with the adjustment block and the outer wall of the mounting frame.

[0013] The brake assembly includes a first mounting plate having a plug-in groove connected to a second slide groove on one side, a brake plate capable of squeezing a plurality of second slide blocks being slidably installed inside the plug-in groove, a plurality of anti-slip protrusions being arranged on one side of the brake plate, two hydraulic cylinders being arranged on one side of the top of the first mounting plate, and a connecting ear connected to the brake plate being fixed on the output shaft of the hydraulic cylinder.

[0014] The cross section of the first rotating shaft is in the shape of a plum blossom, and a plum blossom groove matching with the first rotating shaft is formed through the outer wall of the shaft block.

[0015] The scissor rod is composed of two connecting rods rotatably connected in the middle, one end of the connecting rod is rotatably connected to a fixed plate, and the other end of the connecting rod is rotatably mounted with a fourth slider, and the fourth slider is slidably connected to the fixed plate.

[0016] A feed conveyor belt is arranged on the top of the working plate and on one side of the chain, and the upper surface of the feed conveyor belt is higher than the upper surface of the chain. A discharge conveyor belt is arranged on the top of the working plate and on the other side of the chain, and the upper surface of the discharge conveyor belt is lower than the upper surface of the chain. The input shafts of the feed conveyor belt and the discharge conveyor belt are connected to the first rotating shaft through a second belt drive, and a plurality of anti-slip teeth are arranged on the outer walls of the feed conveyor belt and the discharge conveyor belt.

[0017] The technical effects achieved by the present invention are:

[0018] 1. The adjustment component provided in the present invention drives the moving block to move by rotating the double-headed screw, and the moving block cooperates with the short rod and the long rod to move the first slider. The movement of the first slider and the moving block can drive the knife holder and the cutting knife on the mounting block to move equidistantly, so as to facilitate the adjustment of the spacing between the cutting knives, adapt to the characteristics of different foods and diversified processing requirements, and improve the flexibility and effect of the use of the equipment.

[0019] 2. The transmission mechanism of the present invention can fill the gap between the cutting knives by arranging multiple ratchets, chains and push rods on both sides of the cutting knives to prevent food from falling into the gap after cutting, thereby improving the perfection and use effect of the equipment. When adjusting the spacing between the cutting knives, the third slider, fixed plate and scissor rod are used to make the multiple ratchets, chains and push rods on both sides of the cutting knives make corresponding telescopic movements to adapt to the spacing between the cutting knives, thereby improving the use effect of the equipment.

[0020] 3. The stabilizing component provided in the present invention makes the movement of the cutting knife more stable through the second slider and the second slide groove. The adjusting block is rotated to move the adjusting block to adjust the pitch of the spring, thereby changing the pulling force of the guide rod on the first mounting plate. The cutting knife can be tightened through the first mounting plate, thereby improving the stability and safety of the cutting knife during cutting.

[0021] 4. The brake assembly provided in the present invention drives the brake plate to move through the hydraulic cylinder, and the brake plate squeezes and brakes the second slider to avoid shaking of the end of the cutting knife during operation, which affects the cutting efficiency and stability.

[0022] 5. The present invention is provided with a motor, which cooperates with the first belt drive and the second belt drive to drive the crankshaft, the first rotating shaft and the feed conveyor belt and the unloading conveyor belt to rotate in coordination, which greatly improves the smoothness and operating efficiency of the transmission and also reduces the operating cost and production cost of the equipment.

[0023] 6. The cutting knife provided in the present invention is fixed to the second sliding block and the knife seat respectively by bolts, so that the cutting knife can be easily disassembled and repaired, thus reducing maintenance time and cost and increasing the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention;

[0025] Figure 2 It is a top view of the three-dimensional structure of the present invention;

[0026] Figure 3 It is a schematic diagram of the front view of the three-dimensional structure of the adjustment component of the present invention;

[0027] Figure 4 It is a rear-view stereoscopic structural schematic diagram of the adjustment assembly of the present invention;

[0028] Figure 5 The present invention Figure 3 A schematic diagram of the enlarged structure of the middle A area;

[0029] Figure 6 The present invention Figure 4 Schematic diagram of the enlarged structure of the middle B area;

[0030] Figure 7 is a bottom-up perspective structural diagram of a stabilizing assembly of the present invention;

[0031] Figure 8 It is a partially cutaway three-dimensional structural schematic diagram of the stabilizing component of the present invention.

[0032] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0033] 1. Working plate; 2. Double-ended screw rod; 3. Moving block; 4. First slider; 5. Mounting block; 6. Knife holder; 7. First connecting rod; 8. Motor; 9. Crankshaft; 10. Cutting knife; 11. Mounting frame; 12. Guide rod; 13. First mounting plate; 14. Second slide slot; 15. Second slider; 16. Limit block; 17. Adjustment block; 18. Spring; 19. Hydraulic cylinder; 20. Brake plate; 21. Plug slot; 22. Long rod; 23. First rotating shaft; 24. Shaft block; 25. Ratchet; 26. Chain; 27. Push rod; 28. Fixed plate; 29. ​​Scissor rod; 30. Third slider; 31. Third slide slot; 32. Feed conveyor belt; 33. Unloading conveyor belt; 34. First belt drive; 35. Second belt drive; 36. Baffle. DETAILED DESCRIPTION

[0034] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present invention, and does not strictly limit the scope of protection of the specific claims of the present invention.

[0035] like Figure 1-Figure 5 As shown, a bone sawing machine with adjustable cutting blade spacing comprises a working plate 1, the working plate 1 is arranged in an I-shape, which is convenient for the installation of a subsequent feeding conveyor belt 32 and a discharging conveyor belt 33, a plurality of cutting knives 10 are arranged in a horizontally equidistant array on the working plate 1, an adjusting component capable of adjusting the distance between two adjacent cutting knives 10 is arranged on the working plate 1, a conveying mechanism is arranged between two adjacent cutting knives 10, and the conveying mechanism can be extended and retracted following the change of the distance between the two adjacent cutting knives 10, a stabilizing component is arranged on the top of the working plate 1 and above the cutting knives 10, and a braking component capable of fixing the cutting knives 10 is arranged on the stabilizing component;

[0036] The adjusting assembly includes a double-headed screw 2 arranged at the bottom of the working plate 1, a positioning block rotatably connected to the middle part of the double-headed screw 2 is arranged at the bottom of the working plate 1, a moving block 3 is screwed to the outer wall of the double-headed screw 2 and is located on both sides of the positioning block, a plurality of first sliders 4 are arranged on the outer wall of the double-headed screw 2 and between the moving block 3 and the positioning block, a through hole slidably connected to the double-headed screw 2 is opened on the first slider 4, a short rod is rotatably installed on one side of the moving block 3 and the positioning block, two short rods are symmetrically installed on one side of the positioning block, a long rod 22 is rotatably installed on one side of the first slider 4, the middle part of the long rod 22 is rotatably connected to one side of the first slider 4, one end of the two adjacent long rods 22 is rotatably connected, the long rod 22 and the short rod close to each other are rotatably connected, the length of the long rod 22 is twice the length of the short rod, which is convenient for movement of the moving block 3, in conjunction with the short rod and the long rod 22, to drive The moving block 3 and the first slider 4 move equidistantly, which facilitates the width adjustment between the cutting knives 10, making the use of the equipment more perfect. The moving block 3, the positioning block and the other side of the first slider 4 are all fixed with a mounting block 5. A knife seat 6 detachably connected to the cutting knife 10 is slidably mounted on one side of the mounting block 5. The cutting knife 10 is fixed to the knife seat 6 by bolts. The bottom of the knife seat 6 is rotatably connected with a first connecting rod 7. A crankshaft 9 is rotatably mounted at the bottom of the working plate 1 and located below the knife seat 6. The crankshaft 9 is composed of a cross bar and two L-shaped rods, and the two ends of the cross bar are integrally made with one end of the two L-shaped rods, which is convenient for rotation through the crankshaft 9 and cooperates with the first connecting rod 7 to drive the knife seat 6 to reciprocate up and down. A mounting hole slidably connected to the crankshaft 9 is opened on the first connecting rod 7. A motor 8 connected to one end of the crankshaft 9 is provided at the bottom of the working plate 1, and a crank handle is fixed at one end of the double-headed screw 2.

[0037] According to the above structure, the crank is turned, and the crank drives the double-headed screw 2 to rotate, and the double-headed screw 2 drives the moving block 3 to move, and then cooperates with the short rod and the long rod 22, and drives multiple first sliders 4 to move equidistantly on the double-headed screw 2 through the moving block 3, and the movement of the moving block 3 and the first slider 4 drives the knife seat 6 on the mounting block 5 to move equidistantly, and the knife seat 6 drives the cutting knife 10 to move equidistantly, and adjusts the distance between the multiple cutting knives 10 to adapt to cutting bones of different sizes, thereby improving the flexibility and practicality of the equipment. After the adjustment is completed, start the motor 8, and the motor 8 drives the crankshaft 9 to rotate. The crankshaft 9 drives the knife seat 6 to reciprocate up and down through the first connecting rod 7, and the knife seat 6 drives the cutting knife 10 to reciprocate up and down, thereby cutting the bone, and the cutting effect is better.

[0038] like Figure 3 , Figure 4 and Figure 6As shown, the transmission mechanism includes baffles 36 fixed on both sides of the top of the working plate 1, and a first rotating shaft 23 is rotatably installed between the outer walls of the two baffles 36 and on the front and rear sides of the cutting knife 10. The cross-section of the first rotating shaft 23 is plum blossom-shaped, and a plum blossom groove cooperating with the first rotating shaft 23 is provided on the outer wall of the shaft block 24, so that the first rotating shaft 23 rotates to drive the shaft block 24 to rotate. When the distance width between the cutting knives 10 is adjusted, the movement of the cutting knives 10 is not affected, thereby facilitating the normal operation of the equipment and improving the perfection and practicality of the equipment. A telescopic mechanism is provided between the outer walls of the two first rotating shafts 23 and on the left and right sides of the cutting knife 10. The telescopic mechanism includes a plurality of shaft blocks 24 slidably installed on the outer wall of the first rotating shaft 23, and a ratchet 25 is fixed on the outer wall of the shaft block 24. A chain 26 is provided between the outer walls of the ratchet wheels 25 corresponding to the two first rotating shafts 23, and a plurality of push rods 27 are equidistantly provided on the outer wall of the chain 26, so that the movement of the bone is pushed by the push rods 27, which is convenient for the cutting of the bone and increases the perfection of the equipment. The scissor rod 29 is provided between the outer walls of the two shaft blocks 24 and on both sides of the ratchet 25. The scissor rod 29 is composed of two connecting rods rotatably connected in the middle, one end of the connecting rod is rotatably connected to the fixing plate 28, and the other end of the connecting rod is rotatably installed with a fourth slider, which is slidably connected to the fixing plate 28 to facilitate the telescopic movement of multiple ratchets 25 and chains 26, so that the ratchet 25 and the chain 26 can adapt to the width movement between the two cutting knives 10, thereby improving the practicality and flexibility of the equipment. The third slider 30 is fixed on the top of the moving block 3 and the first slider 4, and a third slide groove 31 slidably connected to the third slider 30 is opened on the top of the working plate 1. The top two sides of the third slider 30 are fixedly connected to the fixing plates 28 near the two sides of the cutting knife 10, and the fixing plates 28 on the telescopic mechanisms at both ends are close to the baffle 36 and fixedly connected to the baffle 36. The output shaft of the motor 8 is connected to one of the first rotating shafts 23 through a first belt drive 34.

[0039] According to the above structure, when the width between the cutting knives 10 is adjusted, the third slider 30 will be driven to move accordingly, and the third slider 30 will drive the corresponding fixed plate 28. The fixed plate 28 cooperates with the scissor rod 29 to make the multiple chains 26 on both sides of the cutting knife 10 to move accordingly to adapt to the width between the two cutting knives 10, effectively avoiding the gap being too large, and the cut bones falling into the gap, affecting the work efficiency; then the motor 8 drives the first rotating shaft 23 to rotate through the first belt transmission 34, the first rotating shaft 23 drives the shaft block 24 to rotate, the shaft block 24 drives the ratchet 25 to rotate, the ratchet 25 drives the chain 26 to rotate, and the chain 26 drives the push rod 27 to move. When the material is transported to the chain 26, the push rod 27 can be cooperated with to push the material to move, and the cutting knife 10 can be used to reciprocate to cut the material.

[0040] like Figure 1, Figure 2 , Figure 7 and Figure 8 As shown, the stabilizing component includes a mounting frame 11 arranged on the top of the working plate 1, and both sides of the top of the mounting frame 11 are through-opened with plug-in holes, and a guide rod 12 is plugged into the plug-in hole. The outer wall of the guide rod 12 and the limit blocks 16 are fixed on both sides of the plug-in hole, so that the guide rod 12 can move stably in the plug-in hole, thereby improving the stability of the cutting knife 10 when working. A first mounting plate 13 is fixed between the bottom ends of the two guide rods 12, and a second slide groove 14 is opened at the bottom of the first mounting plate 13. The inner slide of the second slide groove 14 A plurality of second sliders 15 are dynamically installed, and the outer wall of the second slider 15 is detachably connected to the top of the cutting knife 10; a spring 18 is sleeved on the outer wall of the guide rod 12 and located above the plug-in hole, and an adjusting block 17 is screwed on the outer wall of the guide rod 12 and located above the spring 18. Both ends of the spring 18 are in contact with the adjusting block 17 and the outer wall of the mounting frame 11. The pitch of the spring 18 can be adjusted by rotating the adjusting block 17, and then one end of the cutting knife 10 is tightened by the reaction force of the spring 18, thereby improving the stability of the fixing of the cutting knife 10.

[0041] According to the above structure, the top of the cutting knife 10 is bolted to the second slider 15 for easy disassembly. When the width between the cutting knives 10 is adjusted, the second slider 15 and the second slide groove 14 are matched to make the movement of the cutting knife 10 more stable. By rotating the adjusting block 17, and then matching the adjusting block 17 with the threaded connection with the guide rod 12, the adjusting block 17 is moved, and the spring 18 is squeezed to adjust the pitch of the spring 18, thereby changing the pulling force of the guide rod 12 on the first mounting plate 13, and then the cutting knife 10 can be tightened through the first mounting plate 13, thereby improving the stability and safety of the cutting knife 10 during cutting.

[0042] like Figure 1 and Figure 8 As shown, the brake assembly includes a first mounting plate 13 on one side of which a plug-in groove 21 connected to the second slide groove 14 is opened, and a brake plate 20 capable of squeezing multiple second sliders 15 is slidably installed inside the plug-in groove 21, and multiple anti-slip protrusions are arranged on one side of the brake plate 20. Two hydraulic cylinders 19 are arranged on one side of the top of the first mounting plate 13, and the output shaft of the hydraulic cylinder 19 is fixed with a connecting ear connected to the brake plate 20.

[0043] According to the above structure, after the distance between the cutting knives 10 is adjusted, the hydraulic cylinder 19 can be started, and the hydraulic cylinder 19 drives the brake plate 20 to move, and the brake plate 20 squeezes and brakes the second slider 15 to prevent the cutting knives 10 from shaking during operation, affecting the cutting efficiency and stability.

[0044] like Figure 1-Figure 2As shown, a feed conveyor belt 32 is provided at the top of the working plate 1 and at one side of the chain 26. The upper surface of the feed conveyor belt 32 is higher than the upper surface of the chain 26, which is convenient for loading and allows the fixed material to smoothly enter the chain 26. A discharge conveyor belt 33 is provided at the top of the working plate 1 and at the other side of the chain 26. The upper surface of the discharge conveyor belt 33 is lower than the upper surface of the chain 26, which is convenient for unloading and allows the fixed material after cutting to smoothly fall onto the discharge conveyor belt 33. The input shafts of the feed conveyor belt 32 and the discharge conveyor belt 33 are connected to the first rotating shaft 23 through a second belt drive 35. The rotating first rotating shaft 23 cooperates with the second belt drive 35 to drive the feed conveyor belt 32 and the discharge conveyor belt 33 to move, reducing the number of motors used, thereby saving the manufacturing cost of the equipment. A plurality of anti-slip teeth are provided on the outer walls of the feed conveyor belt 32 and the discharge conveyor belt 33, which improves the stability of material transportation and improves the practicability of the equipment.

[0045] The working principle of the present invention is as follows: according to the demand for bone cutting, the double-headed screw rod 2 is driven to rotate by the crank handle, the double-headed screw rod 2 drives the moving block 3 to move, and then cooperates with the short rod and the long rod 22, and drives multiple first sliders 4 to move equidistantly on the double-headed screw rod 2 through the moving block 3, the movement of the moving block 3 and the first slider 4 drives the knife seat 6 on the mounting block 5 to move equidistantly, the knife seat 6 drives the cutting knife 10 to move equidistantly, and adjusts the distance between the multiple cutting knives 10 to adapt to cutting bones of different sizes. At the same time, the movement of the moving block 3 and the first slider 4 drives the third slider 30 to move accordingly, and the third slider 30 drives the corresponding fixed plate 28. The fixed plate 28 cooperates with the scissor rod 29, so that the multiple chains 26 on both sides of the cutting knife 10 can be telescopically moved accordingly to adapt to the width between the two cutting knives 10, effectively avoiding the gap being too large, and the cut bone falling into the gap, affecting the working efficiency, by rotating the adjusting block 17, and then cooperating with the upper adjustment The segment block 17 is threadedly connected with the guide rod 12 to move the adjustment block 17 and squeeze the spring 18 to adjust the pitch of the spring 18, thereby changing the pulling force of the guide rod 12 on the first mounting plate 13, and then the cutting knife 10 can be tightened through the first mounting plate 13, thereby improving the stability of the cutting knife 10 during operation, and then the hydraulic cylinder 19 is started, and the hydraulic cylinder 19 drives the brake plate 20 to move, and the brake plate 20 squeezes and brakes the second slider 15 to prevent the cutting knife 10 from shaking during operation, and finally the motor 8, the motor 8 drives the crankshaft 9 to rotate, the crankshaft 9 drives the knife seat 6 to reciprocate up and down through the first connecting rod 7, and the knife seat 6 drives the cutting knife 10 to reciprocate up and down, thereby cutting the bone, and through the first belt transmission 34, one of the first rotating shafts 23 is driven to rotate, the first rotating shaft 23 drives the ratchet 25 and the chain 26 to rotate, and through the second belt transmission 35, the feeding conveyor belt 32 and the unloading conveyor belt 33 are driven to move, which is convenient for loading and unloading of materials.

[0046] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A bone saw with adjustable cutting blade spacing, comprising a working plate (1), characterized in that: The working plate (1) is arranged in an I-shape, and a plurality of cutting knives (10) are arranged in a horizontally equidistant array on the working plate (1). An adjusting component capable of adjusting the distance between two adjacent cutting knives (10) is arranged on the working plate (1), and a transmission mechanism is arranged between two adjacent cutting knives (10), and the transmission mechanism can be extended and retracted following the change in the distance between the two adjacent cutting knives (10). A stabilizing component is arranged at the top of the working plate (1) and above the cutting knives (10), and a braking component capable of fixing the cutting knives (10) is arranged on the stabilizing component; The adjustment assembly comprises a double-ended screw (2) arranged at the bottom of the working plate (1); a positioning block rotatably connected to the middle part of the double-ended screw (2) is arranged at the bottom of the working plate (1); a moving block (3) is screwed to the outer wall of the double-ended screw (2) and located on both sides of the positioning block; a plurality of first sliding blocks (4) are arranged on the outer wall of the double-ended screw (2) and located between the moving block (3) and the positioning block; a through hole slidably connected to the double-ended screw (2) is opened on the first sliding block (4); a short rod is rotatably installed on one side of the moving block (3) and the positioning block; two short rods are symmetrically installed on one side of the positioning block; a long rod (22) is rotatably installed on one side of the first sliding block (4); the middle part of the long rod (22) is connected to one side of the first sliding block (4) Rotationally connected, one end of the two adjacent long rods (22) are rotationally connected, and the ends of the long rod (22) and the short rod that are close to each other are rotationally connected, and the other sides of the moving block (3), the positioning block and the first sliding block (4) are all fixed with a mounting block (5), and a knife seat (6) detachably connected to the cutting knife (10) is slidably mounted on one side of the mounting block (5), and the bottom of the knife seat (6) is rotationally connected to the first connecting rod (7), and a crankshaft (9) is rotatably mounted at the bottom of the working plate (1) and located below the knife seat (6), and a mounting hole slidably connected to the crankshaft (9) is provided on the first connecting rod (7), and a motor (8) connected to one end of the crankshaft (9) is provided at the bottom of the working plate (1), and a crank handle is fixed to one end of the double-headed screw rod (2); The transmission mechanism comprises baffles (36) fixed on both sides of the top of the working plate (1); a first rotating shaft (23) is rotatably mounted between the outer walls of the two baffles (36) and located on the front and rear sides of the cutting knife (10); a telescopic mechanism is arranged between the outer walls of the two first rotating shafts (23) and located on the left and right sides of the cutting knife (10); the telescopic mechanism comprises a plurality of shaft blocks (24) slidably mounted on the outer walls of the first rotating shaft (23); a ratchet (25) is fixed on the outer walls of the shaft blocks (24); a chain (26) is arranged between the outer walls of the ratchet wheels (25) corresponding to the two first rotating shafts (23); a plurality of push rods (27) are equidistantly arranged on the outer walls of the chain (26); the outer walls of the two shaft blocks (24) are A fixed plate (28) is rotatably mounted between the walls and on both sides of the ratchet (25); a scissor rod (29) is arranged between the outer walls of two adjacent fixed plates (28); a third slider (30) is fixed to the top of the moving block (3) and the first slider (4); a third slide groove (31) is provided on the top of the working plate (1) and is slidably connected to the third slider (30); both sides of the top of the third slider (30) are fixedly connected to the fixed plates (28) close to both sides of the cutting knife (10); the fixed plates (28) on the telescopic mechanism at both ends are close to the baffle (36) and are fixedly connected to the baffle (36); and the output shaft of the motor (8) is connected to one of the first rotating shafts (23) through a first belt drive (34).

2. A bone sawing machine with adjustable cutting blade spacing according to claim 1, characterized in that: The length of the long rod (22) is twice the length of the short rod.

3. The bone sawing machine with adjustable cutting blade spacing according to claim 1, characterized in that: The stabilizing component comprises a mounting frame (11) arranged on the top of the working plate (1), plug holes are provided on both sides of the top of the mounting frame (11), a guide rod (12) is plugged into the inside of the plug hole, and limit blocks (16) are fixed on the outer wall of the guide rod (12) and located on both sides of the plug hole, a first mounting plate (13) is fixed between the bottom ends of the two guide rods (12), a second slide groove (14) is provided at the bottom of the first mounting plate (13), a plurality of second slide blocks (15) are slidably installed inside the second slide groove (14), and the outer wall of the second slide block (15) is detachably connected to the top of the cutting knife (10).

4. A bone sawing machine with adjustable cutting blade spacing according to claim 3, characterized in that: A spring (18) is sleeved on the outer wall of the guide rod (12) and located above the insertion hole, and an adjustment block (17) is screwed on the outer wall of the guide rod (12) and located above the spring (18), and both ends of the spring (18) are in contact with the adjustment block (17) and the outer wall of the mounting frame (11).

5. The bone sawing machine with adjustable cutting blade spacing according to claim 3, characterized in that: The brake assembly comprises a first mounting plate (13) having a plug-in slot (21) connected to a second slide slot (14) on one side thereof, a brake plate (20) capable of pressing a plurality of second slide blocks (15) being slidably mounted inside the plug-in slot (21), a plurality of anti-slip protrusions being arranged on one side of the brake plate (20), two hydraulic cylinders (19) being arranged on one side of the top of the first mounting plate (13), and a connecting ear connected to the brake plate (20) being fixed to an output shaft of the hydraulic cylinder (19).

6. The bone sawing machine with adjustable cutting blade spacing according to claim 1, characterized in that: The cross section of the first rotating shaft (23) is in the shape of a plum blossom, and the outer wall of the shaft block (24) is provided with a plum blossom groove that matches the first rotating shaft (23).

7. The bone sawing machine with adjustable cutting blade spacing according to claim 1, characterized in that: The scissor rod (29) is composed of two connecting rods rotatably connected in the middle, one end of the connecting rod is rotatably connected to the fixed plate (28), and the other end of the connecting rod is rotatably mounted with a fourth sliding block, and the fourth sliding block is slidably connected to the fixed plate (28).

8. The bone sawing machine with adjustable cutting blade spacing according to claim 1, characterized in that: A feeding conveyor belt (32) is arranged on the top of the working plate (1) and on one side of the chain (26), and the upper surface of the feeding conveyor belt (32) is higher than the upper surface of the chain (26). A discharging conveyor belt (33) is arranged on the top of the working plate (1) and on the other side of the chain (26), and the upper surface of the discharging conveyor belt (33) is lower than the upper surface of the chain (26). The input shafts of the feeding conveyor belt (32) and the discharging conveyor belt (33) are connected to the first rotating shaft (23) through a second belt drive (35), and a plurality of anti-slip teeth are arranged on the outer walls of the feeding conveyor belt (32) and the discharging conveyor belt (33).

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