Automatic building block chamfering machine

Abstract

The present invention discloses an automatic building block chamfering machine, comprising a plurality of workbenches, a vibrating loading tray, eight first cutting mechanisms respectively fixedly arranged on corresponding workbenches and connected end to end in sequence, and at the same time, the first four first cutting mechanisms and the last four first cutting mechanisms of the eight first cutting mechanisms connected in sequence are mirror images, and the first cutting mechanism comprises a first loading arch track, a first cylinder, a first conveying track, a first cutting tool, a first width adjustment device, and a first height adjustment device. The present invention solves the problems of high labor intensity and low efficiency of workers in the prior art, realizes chamfering the edges of rectangular building blocks of different sizes, and each edge can be chamfered, realizes full-process automated production, liberates manpower and improves production efficiency.

Description

Technical Field

[0001] The invention relates to the field of building block processing equipment, and in particular to an automatic building block chamfering machine. Background Art

[0002] Building blocks are usually cubic wooden or plastic solid toys, usually decorated with letters or pictures on each surface, allowing different arrangements or construction activities. Building blocks come in various styles, can develop children's intelligence, can be assembled into houses, various animals, etc. Building blocks help develop intelligence and train children's hand-eye coordination. The arrangement, connection, ring, symmetry, etc. in the building blocks are good for children's intelligence. When building blocks, you will involve issues such as proportion and symmetry, which is conducive to the early cultivation of children's concept of numbers.

[0003] In the existing building block production process, trees are generally cut into long strips of wood first, and then the strips are cut horizontally to become the required building blocks. However, the building blocks are not chamfered, and there will be burrs on each edge, which requires a subsequent grinding process. However, the existing grinding process is only manual grinding, which manually performs the chamfering of edges one by one, which not only has high labor intensity for workers, but also has low efficiency. Summary of the invention

[0004] The purpose of the invention is to provide an automatic building block chamfering machine to solve the problems of high labor intensity and low efficiency of workers in the prior art, and to achieve chamfering of the edges of three-dimensional building blocks of different sizes, especially cuboids, to achieve full-process automated production, liberate manpower and improve production efficiency.

[0005] In order to achieve the above-mentioned invention object, the technical solution adopted by the present invention is: an automatic building block chamfering machine, comprising a vibrating loading plate, eight workbenches connected in sequence, each workbench is fixedly provided with a first cutting mechanism, the first four first cutting mechanisms and the last four first cutting mechanisms are mirror-imaged,

[0006] The discharge end of the vibrating loading tray is connected to the feed end of the first cutting mechanism on the first workbench, and the discharge end of the first cutting mechanism is connected to the feed end of the next first cutting mechanism.

[0007] The first cutting mechanism includes a first loading arch track, a first cylinder, a first conveying track, a first cutting tool, a first width adjustment device, and a first height adjustment device. The first loading arch track is connected to the first conveying track, and the discharge end of the first loading arch track and the feeding end of the first conveying track are arranged vertically up and down. The first cylinder is arranged opposite to the feeding end of the first conveying track. The first width adjustment device is arranged on one side of the first conveying track, and the first height adjustment device is arranged above the first conveying track. The first width adjustment device and the first height adjustment device work together to press the building blocks at the cutting position on the first conveying track. The first cutting tool is arranged at an oblique lower part of the other side of the first conveying track, and is used to cut the building blocks on the first conveying track.

[0008] Preferably, there are four second cutting mechanisms which are respectively arranged on corresponding workbenches and are connected in sequence, and the previous second cutting mechanism and the next second cutting mechanism are arranged in a mirror image.

[0009] The second cutting mechanism includes a second loading arch track, a second cylinder, a second conveying track, a second cutting tool, a second width adjustment device, a second height adjustment device, and a third cylinder. The second conveying track is an L-shaped track. The vertical plane where the running direction of the second loading arch track is located is perpendicular to the vertical plane where the previous straight line running direction of the second conveying track is located, and the discharge end of the second loading arch track is perpendicular to the feeding end of the second conveying track. The second cylinder is arranged directly opposite to the feeding end of the second conveying track. The third cylinder is arranged at the L-shaped right angle of the second conveying track to provide power for changing the forward direction of the building blocks. The second width adjustment device is arranged on one side of the second conveying track, and the second height adjustment device is arranged above the second conveying track. The second width adjustment device and the second height adjustment device work together to press the building blocks at the cutting position on the second conveying track. The second cutting tool is arranged at the oblique lower part of the other side of the previous straight line of the second conveying track, and is used to cut the building blocks on the second conveying track.

[0010] Preferably, a sensor is provided at the feeding end of the first conveying track for detecting whether there are building blocks in front, and a controller is also provided on the workbench, and the controller is electrically connected to the first cutting tool, the first cylinder and the sensor respectively.

[0011] Preferably, the first conveying track is provided with an opening facing the first cutting tool, so that the first cutting tool can cut the building blocks located on the first conveying track.

[0012] Preferably, a device for adjusting the size of chamfered blocks is further provided, wherein the device is fixed on the workbench, and the first conveying track is fixed on the device for adjusting the size of chamfered blocks. The relative position of the blocks in the first conveying track and the first cutting tool can be changed by adjusting the position of the device for adjusting the size of chamfered blocks.

[0013] Preferably, the first height adjustment device includes a shell and a plurality of clamping units spaced apart in the shell, the clamping unit including a pin, a rolling body inserted through the pin and two elastic bodies, the shell is provided with an opening, the wheel portion of the rolling body passes through the opening, the lower side of the pin abuts against the inner wall of the shell, the ends of the two elastic bodies respectively abut against the two sides of the pin, and the other ends of the two elastic bodies abut against the inner wall of the shell.

[0014] Preferably, the first width adjustment device includes a shell and a plurality of clamping units spaced apart in the shell, the clamping unit including a pin, a rolling body inserted through the pin and two elastic bodies, the shell is provided with an opening, the wheel portion of the rolling body passes through the opening, the lower side of the pin abuts against the inner wall of the shell, the ends of the two elastic bodies respectively abut against the two sides of the pin, and the other ends of the two elastic bodies abut against the inner wall of the shell.

[0015] In a further technical solution, the building block chamfer size adjustment device includes an upper wedge block, a lower wedge block slidingly matched with the upper wedge block, a first adjusting screw, a second adjusting screw, a stop block and a mounting plate, the stop block is provided with a strip hole, the stop block is fixedly mounted on the workbench, and an adjustment gap is left between the stop block and the upper wedge block, the lower wedge block is fixedly mounted on the workbench, the mounting plate is arranged below the first conveying rail, the first conveying rail is fixedly mounted on the mounting plate, the upper wedge block is arranged below the mounting plate, the upper wedge block, the lower wedge block and the workbench are provided with a plurality of strip holes corresponding to the upper and lower parts, a plurality of screws are fixedly mounted below the mounting plate, and the screws pass through the upper The wedge block, the lower wedge block and the strip hole of the workbench connect the mounting plate to the workbench, the screw rod of the screw is sleeved with a gasket and an elastomer, the end of the screw is connected with a nut, the lower end of the elastomer is abutted against the nut, and the upper end of the elastomer is abutted against the gasket, the first adjusting screw passes through the strip hole on the stop block and is threadedly connected to the mounting plate, the lateral position of the mounting plate is adjusted by adjusting the first adjusting screw, thereby driving the lateral adjustment of the first conveying track, the second adjusting screw passes through the strip hole on the stop block and is threadedly connected to the upper wedge block, the lateral position of the upper wedge block is adjusted by adjusting the second adjusting screw, and the vertical position of the upper wedge block relative to the workbench is changed.

[0016] In a further technical solution, a sensor is provided at the feeding end of the second conveying track for detecting whether there are building blocks in front, and a controller is also provided on the workbench, which is electrically connected to the second cutting tool, the second cylinder and the sensor respectively.

[0017] In this article, the first width adjustment device, the first height adjustment device, the second width adjustment device, and the second height adjustment device have the same structure, but different positions and directions. They are all set on the mounting plate through adjusting screws, and can adjust the distance from the corresponding conveying track to achieve the adjustment of the pressing force of the building blocks.

[0018] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0019] 1. The present invention realizes 90° flipping of building blocks by utilizing the feeding arch track, and chamfering of four edges on the same side is realized through the first four workbenches, and the middle four workbenches are arranged in a mirror image with the first four to realize chamfering of four edges on the other side, and the building blocks are continuously conveyed, and the last four workbenches realize chamfering of the remaining four edges, thereby realizing chamfering of the entire building block.

[0020] 2. The present invention has the advantage of pressing the cutting blocks tightly during the cutting process to prevent incomplete cutting by providing a width adjustment device and a height adjustment device.

[0021] 3. In the present invention, a cylinder is provided in the cutting mechanism on each workbench, and the reciprocating motion of the cylinder is used to provide forward power for the building blocks in each conveying track. At the same time, the conveying track is a smooth channel to ensure the orderly movement of the building blocks.

[0022] 4. The present invention is provided with a device for adjusting the chamfer size of building blocks, which changes the spatial position of the conveying track and realizes the change of the position of the building blocks on the conveying track relative to the cutting tool, thereby achieving the purpose of adjusting the chamfer size of the building blocks. The operation is simple, safe and convenient, and can also be adjusted in real time as needed while the production line is always in the open state.

[0023] 5. The present invention has the advantage of fully automatic chamfering of all edges of building blocks of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a front view of the first cutting mechanism in the present invention.

[0025] Figure 2 It is a top view of the first cutting mechanism in the present invention.

[0026] Figure 3 It is a front view of the second cutting mechanism in the present invention.

[0027] Figure 4 It is a top view of the second cutting mechanism in the present invention.

[0028] Figure 5 It is a front view of the overall structure of the first embodiment of the present invention.

[0029] Figure 6 It is a top view of the overall structure of the first embodiment of the present invention.

[0030] Figure 7 It is a front view of the first conveying track, the first width adjusting device and the first height adjusting device in the present invention.

[0031] Figure 8 It is a side view of the first conveying track, the first width adjusting device and the first height adjusting device in the present invention.

[0032] Fig. 9 It is a top view of the first conveying track, the first width adjusting device and the first height adjusting device in the present invention.

[0033] Fig.10 It is a structural schematic diagram of the pressing unit of the first width adjustment device in the present invention.

[0034] Fig.11 It is a structural schematic diagram of the device for adjusting the chamfer size of building blocks in the present invention.

[0035] Wherein: 1. first feeding arch track; 2. first cylinder; 3. first conveying track; 4. first cutting tool; 5. first width adjustment device; 6. first height adjustment device; 7. second feeding arch track; 8. second cylinder; 9. second conveying track; 10. second cutting tool; 11. second width adjustment device; 12. second height adjustment device; 13. sensor; 14. workbench; 15. third cylinder; 16. building block chamfer size adjustment device; 17. mounting plate; 18. stopper; 19. upper wedge block; 20. lower wedge block; 21. first adjusting screw; 22. second adjusting screw; 23. pin; 24. rolling body; 25. elastic body; 26. vibrating feeding tray; 27. first cutting structure; 28. second cutting mechanism. DETAILED DESCRIPTION

[0036] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0037] Example 1: See Figure 5 , Figure 6 As shown, an automatic building block chamfering machine includes a vibrating loading tray 26 and eight sequentially connected workbenches 14, each of which is fixedly provided with a first cutting mechanism 27, and the first four first cutting mechanisms and the last four first cutting mechanisms are mirror-imaged.

[0038] The discharge end of the vibrating loading tray 26 is connected to the feed end of the first cutting mechanism on the first workbench, and the discharge end of the previous first cutting mechanism is connected to the feed end of the next first cutting mechanism.

[0039] See also Figure 1 , Figure 2 As shown, it is a front view and a top view of the first cutting mechanism 27, the first cutting mechanism includes a first feeding arch track 1, a first cylinder 2, a first conveying track 3, a first cutting tool 4, a first width adjustment device 5, and a first height adjustment device 6. The first feeding arch track 1 is connected to the first conveying track 3, and the discharge end of the first feeding arch track and the feeding end of the first conveying track are vertically arranged up and down. The first cylinder 2 is arranged opposite to the feeding end of the first conveying track 3. The building blocks move forward along the first feeding arch track and reach the first conveying track after a 90° flip. The first cylinder provides power for the building blocks so that the building blocks continue to move forward. The first width adjustment device 5 is arranged on one side of the first conveying track 3, and the first height adjustment device 6 is arranged above the first conveying track 3. The first width adjustment device 5 and the first height adjustment device 6 work together to press the building blocks on the first conveying track 3. The first cutting tool 4 is arranged at an oblique lower part of the other side of the first conveying track 3, and is used to cut the building blocks on the first conveying track 3.

[0040] The first cutting tool 4 comprises a blade, a motor and a rotating belt for connecting the blade and the motor.

[0041] In this embodiment, four second cutting mechanisms 28 are provided which are respectively arranged on corresponding workbenches and are connected in sequence. At the same time, the previous second cutting mechanism and the next second cutting mechanism are mirror-set. In this embodiment, the first width adjustment device 5, the first height adjustment device 6, the second width adjustment device 11, and the second height adjustment device 12 have the same structure, but their respective positions are set differently.

[0042] See also Figure 3 , Figure 4The figure shows the front view and the top view of the second cutting mechanism 28. The second cutting mechanism 28 includes a second feeding arch track 7, a second cylinder 8, a second conveying track 9, a second cutting tool 10, a second width adjustment device 11, a second height adjustment device 12, and a third cylinder 15. The second conveying track 9 is an L-shaped track. The vertical plane where the running direction of the second feeding arch track 7 is located is perpendicular to the vertical plane where the previous straight running direction of the second conveying track is located, and the discharge end of the second feeding arch track 7 is perpendicular to the feeding end of the second conveying track 3. The second cylinder 8 is directly opposite to the second conveying track 3. The feeding end of the second conveying track 9 is set, the third cylinder 15 is set at the L-shaped right angle of the second conveying track 9, changes the direction of the building blocks and provides power, the second width adjustment device 11 is set on one side of the second conveying track 9, and the second height adjustment device 12 is set above the second conveying track 9. The second width adjustment device 11 and the second height adjustment device 12 work together to press the building blocks on the second conveying track 9. The second cutting tool 10 is set at the lower side of the other side of the front section of the straight track of the second conveying track 9, and is used to cut the building blocks on the second conveying track 9.

[0043] In this embodiment, the conveying track of the second cutting mechanism at the end of the production line is a linear track, and there is only one cylinder set at the entrance end of the conveying track, because the product is completed after the cutting of the last process, and there is no need to use the cylinder and L-shaped track to change the direction of the building block movement. Of course, if the structure of the second cutting mechanism at the end is the same as the previous one, it is also feasible.

[0044] In this embodiment, a sensor 13 is provided at the feeding end of the first conveying track for detecting whether there are building blocks in front of the cylinder. A controller is also provided on the workbench, and the controller is electrically connected to the motor of the first cutting tool, the first cylinder and the sensor respectively. The sensor sends a signal to the controller, and the controller sends the output signal to the first cylinder to control the start of the first cylinder. The controller is preferably a conventional PLC controller. The sensor in this embodiment is preferably a photoelectric sensor, such as the sensor model E3F-20L / 20C1 in the prior art. As long as the sensor can detect objects, it can be used.

[0045] In this embodiment, an opening is provided in the first conveying track 3 facing the first cutting tool, so that the first cutting tool can cut the building blocks on the first conveying track 3 .

[0046] In this embodiment, both the first cutting mechanism and the second cutting mechanism are provided with a building block chamfer size adjustment device 16, which is fixed on the workbench 14. The conveying track of each mechanism is fixed on the building block chamfer size adjustment device, and the relative position of the building block in the conveying track and the cutting tool is changed by adjusting the position of the building block chamfer size adjustment device.

[0047] In this embodiment, see Figure 7 , 8 As shown in FIG. 9 , the first height adjustment device 6 is arranged above the first conveying track through an adjustable bolt, and includes a housing and a plurality of pressing units arranged in the housing at intervals, see Fig.10 As shown, it is a schematic diagram of the structure of the clamping unit, which includes a pin 23, a rolling body 24 inserted on the pin 23 and two elastic bodies 25. The shell is provided with an opening, and the wheel part of the rolling body passes through the opening. The lower side of the pin 23 is against the inner wall of the shell, and the ends of the two elastic bodies are respectively against the two sides of the pin, and the other ends of the two elastic bodies are against the other inner wall of the shell. In this embodiment, the rolling body can preferably be a roller with a bearing, and the elastic body is a spring.

[0048] In this embodiment, the first width adjustment device 5 is arranged on the side of the first conveying track through adjustable bolts, which includes a shell and a plurality of clamping units arranged in the shell at intervals, the clamping unit includes a pin, a rolling body inserted on the pin and two elastic bodies, the shell is provided with an opening, the wheel part of the rolling body passes through the opening, the lower side of the pin is against the inner wall of the shell, the ends of the two elastic bodies are respectively against the two sides of the pin, and the other ends of the two elastic bodies are against the inner wall of the shell.

[0049] In the present application, the first width adjustment device 5, the first height adjustment device 6, the second width adjustment device 11, and the second height adjustment device 12 are arranged above and on the side of the corresponding conveying tracks by passing screws through the strip holes of the assembly plate arranged next to the conveying track. The ends of the screws are threadedly connected with nuts, and springs and gaskets are sleeved on the screw rods of the screws. One side of the gasket is in contact with the assembly plate that fixes them, and the other side is supported by one end of the spring, and the other end of the spring is supported on the nut. A stopper is provided on the assembly plate, and at the same time, an adjustable bolt passes through the strip hole of the stopper and is threadedly connected to them. The position change is achieved by twisting the adjustable bolt, and the adjustment principle is the same as that of the building block chamfer size adjustment device.

[0050] In this embodiment, see Fig.11As shown, it is a device for adjusting the chamfer size of a building block arranged on a workbench, the device 16 for adjusting the chamfer size of a building block comprises an upper wedge block 19, a lower wedge block 20 slidably matched with the upper wedge block 19, a first adjusting screw 21, a second adjusting screw 22, a stopper 18 and a mounting plate 17, the stopper 18 is provided with a strip hole, the stopper is fixedly arranged on the workbench, and an adjustment gap is left between the stopper and the upper wedge block, the lower wedge block 20 is fixedly arranged on the workbench 14, a mounting plate 17 is provided below the first conveying rail 3, the first conveying rail 3 is fixedly arranged on the mounting plate, the upper wedge block 19 is arranged below the mounting plate 17, the first adjusting screw 21 passes through the through hole on the stopper 18 and is threadedly connected with the mounting plate 17, a plurality of strip holes corresponding to the upper and lower sides are provided on the upper wedge block 19, the lower wedge block 20 and the workbench 14, a plurality of screws are fixedly arranged below the mounting plate 17, the positions of the screws correspond to the strip holes, the screws pass through the upper wedge block 19, The lower wedge block 20 and the strip holes of the workbench 14 connect the mounting plate 17 to the workbench 14. The positions of their strip holes are opposite to each other and the number is the same. A gasket and a spring are sleeved on the screw rod of the screw. A nut is connected to the end of the screw. The lower end of the spring abuts against the nut, and the upper end thereof abuts against the gasket. The screw is a plug screw, so that the mounting plate can slide relative to the upper wedge block. At the same time, through the spring, it has the freedom of up and down displacement. The lateral position of the mounting plate 17 is adjusted by adjusting the first adjusting screw, thereby driving the lateral position of the first conveying track 3. The second adjusting screw 22 passes through the strip hole on the stop block and is threadedly connected to the upper wedge block 19. The lateral position of the upper wedge block 19 is adjusted by adjusting the second adjusting screw. The upper wedge block 19 moves laterally relative to the lower wedge block 20, so that the upper wedge block moves vertically relative to the workbench. The chamfer size adjustment device for the building block realizes the adjustment of the chamfer size of the building block.

[0051] A sensor is provided at the feeding end of the second conveying track to detect whether there are building blocks in front. A controller is also provided on the workbench, which is electrically connected to the second cutting tool, the second cylinder, the third cylinder and the sensor. When the building blocks come down from the second arched track, the second cylinder is started to push one building block forward, and then the third cylinder is started to push one building block in front away.

[0052] It should be noted that this embodiment only demonstrates one technical solution in the technical concept of the present invention. Rearranging the sequence of each cutting mechanism can also achieve the technical effect that can be achieved by the technical solution of this application, and also belongs to the inventive technical concept of this application.

Claims

1. An automatic building block chamfering machine, characterized in that: It includes a vibrating loading tray and eight workbenches connected in sequence. A first cutting mechanism is fixedly arranged on each workbench. The first four first cutting mechanisms and the last four first cutting mechanisms are mirror-imaged. The discharge end of the vibrating loading tray is connected to the feed end of the first cutting mechanism on the first workbench, and the discharge end of the first cutting mechanism is connected to the feed end of the next first cutting mechanism. The first cutting mechanism includes a first feeding arch track, a first cylinder, a first conveying track, a first cutting tool, a first width adjustment device, and a first height adjustment device. The first feeding arch track is connected to the first conveying track, and the discharge end of the first feeding arch track is perpendicular to the feeding end of the first conveying track. The first cylinder is arranged opposite to the feeding end of the first conveying track. The first width adjustment device is arranged on one side of the first conveying track. The first height adjustment device is arranged above the first conveying track. The first width adjustment device and the first height adjustment device work together to press the building blocks at the cutting position on the first conveying track. The first cutting tool is arranged at an oblique lower part of the other side of the first conveying track for cutting the building blocks on the first conveying track. A sensor is provided at the feeding end of the first conveying track for detecting whether there are building blocks in front. A controller is also provided on the workbench, and the controller is electrically connected to the first cutting tool, the first cylinder and the sensor respectively. A building block chamfering size adjustment device is also provided, the building block chamfering size adjustment device is fixedly mounted on the workbench, the first conveying track is fixedly mounted on the building block chamfering size adjustment device, and the relative position of the building block in the first conveying track and the first cutting tool is changed by adjusting the position of the building block chamfering size adjustment device. The device for adjusting the chamfer size of building blocks comprises an upper wedge block, a lower wedge block slidingly matched with the upper wedge block, a first adjusting screw, a second adjusting screw, a stop block and a mounting plate, wherein the stop block is provided with a strip hole, the stop block is fixedly mounted on the workbench, and an adjustment gap is left between the stop block and the upper wedge block, the lower wedge block is fixedly mounted on the workbench, the mounting plate is arranged below the first conveying rail, the first conveying rail is fixedly mounted on the mounting plate, the upper wedge block is arranged below the mounting plate, the upper wedge block, the lower wedge block and the workbench are provided with a plurality of strip holes corresponding to the upper and lower parts, a plurality of screws are fixedly mounted below the mounting plate, and the screws pass through the upper wedge block, The lower wedge block and the strip hole of the workbench connect the mounting plate to the workbench, a gasket and an elastomer are sleeved on the screw rod of the screw, a nut is connected to the end of the screw, the lower end of the elastomer is abutted against the nut, and the upper end of the elastomer is abutted against the gasket, the first adjusting screw passes through the strip hole on the stop block and is threadedly connected to the mounting plate, the lateral position of the mounting plate is adjusted by adjusting the first adjusting screw, thereby driving the lateral adjustment of the first conveying track, the second adjusting screw passes through the strip hole on the stop block and is threadedly connected to the upper wedge block, the lateral position of the upper wedge block is adjusted by adjusting the second adjusting screw, thereby realizing the change of the vertical position of the upper wedge block relative to the workbench.

2. The automatic building block chamfering machine according to claim 1, characterized in that: There are also four second cutting mechanisms which are respectively arranged on corresponding workbenches and are connected in sequence. At the same time, the first second cutting mechanism and the second second cutting mechanism after are arranged in a mirror image. The second cutting mechanism includes a second loading arch track, a second cylinder, a second conveying track, a second cutting tool, a second width adjustment device, a second height adjustment device, and a third cylinder. The second conveying track is an L-shaped track. The vertical plane where the running direction of the second loading arch track is located is perpendicular to the vertical plane where the previous straight line running direction of the second conveying track is located, and the discharge end of the second loading arch track is perpendicular to the feeding end of the second conveying track. The second cylinder is arranged directly opposite to the feeding end of the second conveying track. The third cylinder is arranged at the L-shaped right angle of the second conveying track to provide power for changing the forward direction of the building blocks. The second width adjustment device is arranged on one side of the second conveying track, and the second height adjustment device is arranged above the second conveying track. The second width adjustment device and the second height adjustment device work together to press the building blocks at the cutting position on the second conveying track. The second cutting tool is arranged at the oblique lower part of the other side of the previous straight line of the second conveying track, and is used to cut the building blocks on the second conveying track.

3. The automatic building block chamfering machine according to claim 1, characterized in that: The first conveying track is provided with an opening facing the first cutting tool, so that the first cutting tool can cut the building blocks located on the first conveying track.

4. The automatic building block chamfering machine according to claim 1, characterized in that: The first height adjustment device includes a shell and a plurality of clamping units spaced apart in the shell, the clamping unit includes a pin, a rolling body inserted through the pin and two elastic bodies, the shell is provided with an opening, the wheel portion of the rolling body passes through the opening, the lower side of the pin abuts against the inner wall of the shell, the ends of the two elastic bodies respectively abut against the two sides of the pin, and the other ends of the two elastic bodies abut against the inner wall of the shell.

5. The automatic building block chamfering machine according to claim 1, characterized in that: The first width adjustment device includes a shell and a plurality of clamping units spaced apart in the shell, the clamping unit includes a pin, a rolling body inserted through the pin and two elastic bodies, the shell is provided with an opening, the wheel portion of the rolling body passes through the opening, the lower side of the pin abuts against the inner wall of the shell, the ends of the two elastic bodies abut against the two sides of the pin respectively, and the other ends of the two elastic bodies abut against the inner wall of the shell.

6. The automatic building block chamfering machine according to claim 2, characterized in that: A sensor is provided at the feeding end of the second conveying track for detecting whether there are building blocks in front. A controller is also provided on the workbench, and the controller is electrically connected to the second cutting tool, the second cylinder, the third cylinder and the sensor respectively.

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