Metal round bar shearing equipment
By introducing a combined design of cutting, grinding, and clamping components into the metal bar shearing equipment, along with a limiting and clamping transmission mechanism, precise positioning and integrated cutting and grinding of the metal bar are achieved, solving the problems of inconsistent length and burrs, and improving processing accuracy and efficiency.
Patent Information
- Application Number
- CN202511539645.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-27
- Publication Date
- 2025-12-26
AI Technical Summary
Existing metal bar shearing equipment cannot guarantee consistent length, resulting in large errors, low production efficiency, and burrs easily generated at the cut edges, increasing the difficulty of subsequent processing.
The design incorporates a combination of cutting, grinding, and clamping components, along with a scale and limit mechanism, to ensure precise positioning and clamping of the metal bar. Clamping and transmission components enable rapid clamping and rotation, while a servo motor drives cutting and grinding, achieving integrated operation.
It improves the machining accuracy and surface quality of metal round bars, reduces subsequent manual finishing processes, and enhances production efficiency and the polishing effect around the cut.
Smart Images
Figure CN121199687A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of metal round bar processing, and in particular to a metal round bar shearing device. BACKGROUND
[0002] In the metal processing industry, metal round bars are widely used in mechanical manufacturing, construction, automobile manufacturing and other fields as a common raw material. In actual production, metal round bars often need to be sheared according to specific length requirements to meet the manufacturing needs of different products, so the requirements for shearing precision and efficiency are increasing.
[0003] Some existing shearing devices are difficult to ensure the length consistency of each metal round bar during use, and rely on manual measurement and positioning, which has large errors and low production efficiency, affecting the quality of subsequent processing. In addition, burrs are easily generated at the cutting edge of metal round bars of different materials and diameters during shearing, further increasing the difficulty of subsequent processing procedures. SUMMARY
[0004] In order to solve the problems raised in the background art, the present application provides a metal round bar shearing device.
[0005] The metal round bar shearing device provided by the present application adopts the following technical scheme: A metal round bar shearing device, comprising an operating table, an opening is provided on the top of the operating table, a scrap collecting hopper is provided inside the opening, a scrap collecting box is installed at the bottom of the scrap collecting hopper, a discharging hopper is provided on one side of the scrap collecting hopper, a receiving box is installed at the bottom of the discharging hopper, a pushing mechanism, a limiting mechanism and a shearing mechanism are installed in sequence on the top of the operating table, a cutting assembly, a polishing assembly and a pressing assembly are provided in the shearing mechanism, the shearing mechanism comprises a supporting frame installed on the top of the operating table, a first air cylinder is installed on the top of the supporting frame, an installation frame is installed on the output end of the first air cylinder, a first driving motor is installed on one end of the installation frame, the output end of the first driving motor penetrates into the inside of the installation frame and is connected with one end of a first lead screw installed inside, the other end of the first lead screw is connected with a bearing seat provided on the inner wall of one end of the installation frame, a first movable seat is adaptively installed on the first lead screw, an L-shaped fixing frame is installed at the bottom of the first movable seat, the cutting assembly comprises a first servo motor fixedly installed on the L-shaped fixing frame, the output end of the first servo motor penetrates through an axle hole provided on the L-shaped fixing frame and is connected with a cutting knife, a shell is covered on the upper half of the cutting knife, the shell is connected with the side wall of the L-shaped fixing frame through a connecting rod; The polishing assembly comprises a fixed plate mounted at one end of the L-shaped fixing frame, a second servo motor is fixedly mounted on the right end side wall of the fixed plate, the output end of the second servo motor penetrates through the shaft hole in the right end side wall of the fixed plate, and a first transmission wheel is mounted, a shaft rod is adaptively mounted in the shaft hole provided on the left end side wall of the fixed plate, a second transmission wheel is mounted at one end of the shaft rod, and a polishing belt is sleeved on the first transmission wheel and the second transmission wheel. The abutting assembly comprises mounting seats fixedly mounted on the two end side walls of the support frame, a moving rod is mounted in the through slot provided in the mounting seat, one end of the moving rod is fixedly connected with a connecting block, one side of the connecting block is fixedly mounted with an abutting plate, a threaded rod is also adaptively mounted in the screw hole provided in the top of the mounting seat, one end of the threaded rod penetrates into the through slot provided in the mounting seat, and a pressing block is connected, an arc-shaped groove is provided in the bottom of the pressing block, the arc-shaped groove is attached to the surface of the moving rod, a scale line is provided at the middle position of the mounting seat, the position of the scale line corresponds to the position of the cutting knife, and a scale is also mounted on one side of the connecting block close to the edge.
[0006] Preferably, the limiting mechanism comprises a first fixed seat mounted at the edge of the support frame on the top of the operation table, a plurality of lower limiting wheels are rotatably mounted in the first fixed seat, a second fixed seat is mounted on the top of the first fixed seat, a plurality of upper limiting wheels corresponding to the lower limiting wheels are rotatably mounted in the second fixed seat, an L-shaped support plate is fixedly mounted on one side of the first fixed seat, a threaded hole is provided in the top of one end of the L-shaped support plate, and an adjusting screw rod is rotatably mounted in the threaded hole, one end of the adjusting screw rod is connected with a bearing seat mounted on the second fixed seat, and symmetrical guide rods are also provided on the top of the second fixed seat, one end of the guide rods slides in the guide hole provided in the L-shaped support plate.
[0007] Preferably, the pushing mechanism comprises a second driving motor fixedly mounted at one end of the operation table, the output end of the second driving motor penetrates into the groove provided in the top of the operation table and is connected with one end of a second lead screw provided in the groove, the other end of the second lead screw is connected with a bearing seat provided on the inner wall of the other end of the groove, a second movable seat is adaptively mounted on the second lead screw, a moving seat is fixedly connected to the top of the second movable seat, a sliding groove provided on the bottom of the moving seat is adapted to the guide rail provided on the top of the operation table, a support frame is mounted on the top of the moving seat, and a clamping assembly for clamping the metal round bar and a transmission assembly for rotating the metal round bar are also provided on the moving seat.
[0008] Preferably, the clamping assembly comprises a hollow rotary pneumatic chuck fixedly installed on one side of the support frame, the front side of the hollow rotary pneumatic chuck is provided with a pneumatic rotary chuck, the inside of the pneumatic rotary chuck is clamped with a metal round bar, and one side of the hollow rotary pneumatic chuck is further provided with an air pipe, the other end of the air pipe passes through the through hole formed in the support frame and is connected with the air pump installed in the support frame.
[0009] Preferably, the transmission assembly comprises a third servo motor installed in the support frame, a first synchronous wheel is fixedly installed at the output end of the third servo motor, a synchronous belt is sleeved on the first synchronous wheel, and the other end of the synchronous belt is sleeved with a second synchronous wheel installed on the rotary shaft arranged on the other side of the hollow rotary pneumatic chuck.
[0010] To sum up, the present application has the following beneficial technical effects: 1、The present application is provided with a shearing mechanism, which is provided with a cutting assembly, a polishing assembly and a abutting assembly, the metal round bar is stably abutted by the abutting block in the abutting assembly to prevent vibration during cutting, the scale and the scale line on the mounting seat are aligned to realize accurate positioning and abutting of metal round bars of different lengths, and the consistency and processing precision of cutting are ensured, the first servo motor in the cutting assembly drives the cutting knife to cut the metal round bar, and the second servo motor in the polishing assembly drives the polishing belt to polish the burr on the edge of the cut of the metal round bar, thereby effectively improving the surface quality and size precision of the processed metal round bar, reducing the subsequent manual finishing process, and improving the production efficiency.
[0011] 2、The present application is provided with a pushing mechanism, which is provided with a clamping assembly and a transmission assembly, the metal round bar is quickly clamped through the synergistic action of the hollow rotary pneumatic chuck, the driving pneumatic rotary chuck, the air pipe and the air pump in the clamping assembly, the clamping force of the pneumatic rotary chuck is controlled by adjusting the air pressure of the air pump to ensure that the metal round bar is stable and does not slip during rotation, and deformation of the workpiece caused by too tight clamping is avoided, the second driving motor in the pushing mechanism drives the moving seat to stably advance along the guide rail and push the metal round bar to the cutting station, and the third servo motor in the transmission assembly drives the pneumatic rotary chuck to rotate the metal round bar accurately, so that the polishing belt fully contacts the edge of the metal round bar, the burr around the cut is uniformly polished, and the surface quality and size precision of the processed metal round bar are further improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structure schematic view of a metal round bar shearing device in the embodiment of the present application. Figure 2 It is a structure schematic view of the bottom of the support frame in the embodiment of the present application. Figure 3is a schematic view of the side surface structure of the support frame in the embodiment of the present application; Figure 4 is a split schematic view of the abutting assembly structure in the embodiment of the present application; Figure 5 is a schematic view of the limiting mechanism structure in the embodiment of the present application; Figure 6 is a schematic view of the clamping assembly structure in the embodiment of the present application; Figure 7 is a schematic view of the transmission assembly structure in the embodiment of the present application; Figure 8 is a sectional view of the side surface structure of the operation table in the embodiment of the present application.
[0013] Mark explanation: 1, operation table; 2, support frame; 3, first cylinder; 4, mounting frame; 5, first drive motor; 6, L-shaped fixing frame; 7, first servo motor; 8, fixed plate; 9, second servo motor; 10, first transmission wheel; 11, second transmission wheel; 12, polishing belt; 13, mounting seat; 14, moving rod; 15, connecting block; 16, abutting plate; 17, threaded rod; 18, pressing block; 19, scale; 20, first fixed seat; 21, lower limiting wheel; 22, second fixed seat; 23, upper limiting wheel; 24, L-shaped support plate; 25, adjusting screw; 26, guide rod; 27, second drive motor; 28, second lead screw; 29, moving seat; 30, guide rail; 31, support frame; 32, hollow rotary pneumatic chuck; 33, pneumatic rotary chuck; 34, air pipe; 35, air pump; 36, third servo motor; 37, first synchronous wheel; 38, synchronous belt; 39, second synchronous wheel; 40, scrap collecting hopper; 41, scrap collecting box; 42, discharging hopper; 43, receiving box; 44, cutting knife. DETAILED DESCRIPTION
[0014] The present application will be further described in detail below in combination with the accompanying drawings. Figure 1 —8.
[0015] The embodiment of the application discloses a metal round bar shearing device, which comprises an operation table 1, the top of the operation table 1 is provided with an opening, the inside of the opening is provided with a scrap collecting hopper 40, the bottom of the scrap collecting hopper 40 is installed with a scrap collecting box 41, one side of the scrap collecting hopper 40 is provided with a discharging hopper 42, the bottom of the discharging hopper 42 is installed with a receiving box 43, the top of the operation table 1 is installed with a pushing mechanism, a limiting mechanism and a shearing mechanism in sequence, the shearing mechanism is provided with a cutting assembly, a polishing assembly and a abutting assembly, the shearing mechanism comprises a supporting frame 2 installed on the top of the operation table 1, the top of the supporting frame 2 is installed with a first air cylinder 3, the output end of the first air cylinder 3 is installed with a mounting frame 4, one end of the mounting frame 4 is installed with a first driving motor 5, the output end of the first driving motor 5 penetrates into the inside of the mounting frame 4 and is connected with one end of a first lead screw installed inside, the other end of the first lead screw is connected with a bearing seat provided on the inner wall of one end of the mounting frame 4, a first movable seat is adaptively installed on the first lead screw, the bottom of the first movable seat is installed with an L-shaped fixing frame 6, the cutting assembly comprises a first servo motor 7 fixedly installed on the L-shaped fixing frame 6, the output end of the first servo motor 7 penetrates through a shaft hole provided on the L-shaped fixing frame 6 and is connected with a cutting knife 44, the upper half of the cutting knife 44 is covered with a shell, the shell is connected with the side wall of the L-shaped fixing frame 6 through a connecting rod; the polishing assembly comprises a fixed plate 8 installed on one end of the L-shaped fixing frame 6, the right end side wall of the fixed plate 8 is fixedly installed with a second servo motor 9, the output end of the second servo motor 9 penetrates through a shaft hole on the right end side wall of the fixed plate 8 and is installed with a first transmission wheel 10, a shaft rod is adaptively installed in the shaft hole provided on the left end side wall of the fixed plate 8, one end of the shaft rod is installed with a second transmission wheel 11, a polishing belt 12 is sleeved on the first transmission wheel 10 and the second transmission wheel 11, more specifically, the first air cylinder 3 is driven to make the mounting frame 4 move downward, so that the cutting knife 44 contacts the metal round bar to be cut, the first servo motor 7 is driven to make the cutting knife 44 rotate at high speed, so that the metal round bar is cut, burrs appear at the edge of the metal round bar after cutting, at this time, the first driving motor 5 is started to drive the first lead screw to rotate, the first movable seat is driven to move along the axial direction of the lead screw, so that the L-shaped fixing frame 6 is horizontally fed, the polishing belt 12 contacts the cutting surface of the cutting knife 44, at the same time, the second servo motor 9 is started to drive the first transmission wheel 10 to rotate, the second transmission wheel 11 is synchronously rotated through the polishing belt 12, the burrs at the broken part of the metal round bar are polished and trimmed, and the cutting and deburring integrated operation is realized.
[0016] Reference Figure 4The abutting assembly comprises a mounting seat 13 fixedly installed on the side wall at both ends of the support frame 2, a moving rod 14 installed in a through groove formed in the mounting seat 13, a connecting block 15 fixedly connected to one end of the moving rod 14, an abutting plate 16 fixedly installed on one side of the connecting block 15, and a threaded rod 17 adaptively installed in a screw hole formed in the top of the mounting seat 13, one end of the threaded rod 17 penetrating into a through groove formed in the mounting seat 13 and being connected with a pressing block 18, the bottom of the pressing block 18 being provided with an arc-shaped groove which is in abutment with the surface of the moving rod 14, a scale line being arranged at the middle position of the mounting seat 13, the position of the scale line corresponding to the position of the cutting knife 44, and a scale 19 being further installed on one side of the connecting block 15 close to the edge, and more specifically, the relative distance between the abutting plate 16 and the cutting knife 44 is adjusted by moving the connecting block 15 to drive the moving rod 14 to slide along the through groove of the mounting seat 13, and rotating the threaded rod 17 to drive the pressing block 18 to move downward, and the moving rod 14 is limited and fixed by the arc-shaped groove, so that the precise positioning and abutting of the metal round bar of different lengths are realized by aligning the scale 19 with the scale line of the mounting seat 13, the consistency of cutting and the machining precision are ensured, the cutting deviation caused by the displacement of the workpiece is avoided, and the overall operation stability and safety are improved.
[0017] Reference Figure 5 The limiting mechanism comprises a first fixing seat 20 installed at the edge of the support frame 2 on the top of the operation table 1, a plurality of lower limiting wheels 21 rotatably installed in the first fixing seat 20, a second fixing seat 22 installed on the top of the first fixing seat 20, an upper limiting wheel 23 rotatably installed in the second fixing seat 22 corresponding to the lower limiting wheels 21, an L-shaped supporting plate 24 fixedly installed on one side of the first fixing seat 20, an adjusting screw rod 25 rotatably installed in a threaded hole formed in the top of one end of the L-shaped supporting plate 24, one end of the adjusting screw rod 25 being connected with a bearing seat installed on the second fixing seat 22, and symmetrical guide rods 26 being further arranged on the top of the second fixing seat 22, one end of each guide rod 26 sliding in a guide hole formed in the L-shaped supporting plate 24, and more specifically, the second fixing seat 22 is driven to move downward by rotating the adjusting screw rod 25, so that the upper limiting wheel 23 is synchronously moved downward to form clamping and limiting of the metal round bar in cooperation with the lower limiting wheels 21, the second fixing seat 22 is ensured to stably ascend and descend by the guide rods 26, the positional precision of the workpiece in the cutting process is effectively controlled, the machining error caused by vibration is reduced, the rolling contact design of the upper limiting wheel 23 and the lower limiting wheels 21 can adapt to the clamping requirement of metal round bars of different diameters, surface damage caused by rigid extrusion is avoided, and the workpiece clamping efficiency and the appearance quality of the finished product are improved.
[0018] Reference Figure 1 , Figure 6 and Figure 7The pushing mechanism comprises a second driving motor 27 fixedly installed at one end of the operation table 1, the output end of the second driving motor 27 penetrates into a groove at the top of the operation table 1 and is connected with one end of a second lead screw 28 arranged inside the groove, the other end of the second lead screw 28 is connected with a bearing seat arranged on the inner wall at the other end of the groove, a second movable seat is adaptively installed on the second lead screw 28, a moving seat 29 is fixedly connected to the top of the second movable seat, a sliding groove arranged at the bottom of the moving seat 29 is adapted to a guide rail 30 arranged at the top of the operation table 1, a supporting frame 31 is installed at the top of the moving seat 29, a clamping assembly for the metal round bar and a transmission assembly for rotating the metal round bar are further arranged on the moving seat 29, the clamping assembly comprises a hollow rotary pneumatic chuck 32 fixedly installed at one side of the supporting frame 31, a pneumatic rotary chuck 33 is arranged at the front side of the hollow rotary pneumatic chuck 32, the metal round bar is clamped in the pneumatic rotary chuck 33, a gas pipe 34 is further installed at one side of the hollow rotary pneumatic chuck 32, the other end of the gas pipe 34 penetrates through a through hole formed in the supporting frame 31 and is connected with a gas pump 35 installed inside the supporting frame 31, the transmission assembly comprises a third servo motor 36 installed inside the supporting frame 31, a first synchronous pulley 37 is fixedly installed at the output end of the third servo motor 36, a synchronous belt 38 is sleeved on the first synchronous pulley 37, the other end of the synchronous belt 38 is sleeved with a second synchronous pulley 39 installed on a rotating shaft arranged at the other side of the hollow rotary pneumatic chuck 32, more specifically, through the cooperation of the hollow rotary pneumatic chuck 32, the pneumatic rotary chuck 33, the gas pipe 34 and the gas pump 35, the metal round bar is quickly clamped and accurately positioned, the second driving motor 27 is started to drive the second lead screw 28 to rotate, so that the second movable seat drives the moving seat 29 to move stably along the guide rail 30, the metal round bar is fed to the cutting station, when burrs appear at the edge of the metal round bar after cutting, the third servo motor 36 is driven to rotate the first synchronous pulley 37, the synchronous belt 38 is driven to the second synchronous pulley 39, and then the pneumatic rotary chuck 33 is driven to rotate the metal round bar accurately, so that the polishing belt 12 fully contacts the edge of the metal round bar, and the burrs around the cutting edge are uniformly polished, during the polishing process, the clamping force of the pneumatic rotary chuck 33 is controlled by adjusting the air pressure of the gas pump 35, so that the metal round bar is stable and does not slip during rotation, and deformation of the workpiece caused by too tight clamping is avoided.
[0019] The implementation principle of the metal round bar shearing device is as follows: when the metal round bar is sheared, the metal round bar is quickly clamped and accurately positioned through the cooperation of the hollow rotating pneumatic chuck 32, the driving pneumatic rotating chuck 33, the air pipe 34 and the air pump 35; the second driving motor 27 drives the second lead screw 28 to rotate, so that the second movable seat drives the moving seat 29 to move stably along the guide rail 30, and the metal round bar is pushed to the cutting station for feeding; the rotating adjusting screw 25 drives the second fixed seat 22 to move downward, so that the upper limiting wheel 23 moves downward synchronously, and cooperates with the lower limiting wheel 21 to form clamping limiting for the metal round bar; the rolling contact design of the upper limiting wheel 23 and the lower limiting wheel 21 can adapt to the clamping requirements of metal round bars with different diameters, and avoid surface damage caused by rigid extrusion; when the metal round bar moves to the bottom of the support frame 2, the first air cylinder 3 drives the mounting frame 4 to move downward, so that the cutting knife 44 contacts the metal round bar to be cut; the first servo motor 7 drives the cutting knife 44 to rotate at high speed, and the metal round bar is cut; when burrs appear at the edge of the metal round bar after cutting, the first driving motor 5 drives the first lead screw to rotate, so that the first movable seat moves along the lead screw axis, thereby driving the L-shaped fixing frame 6 to feed horizontally, so that the polishing belt 12 contacts the outer wall edge of the cutting surface of the cutting knife 44; at the same time, the second servo motor 9 and the third servo motor 36 are started, the second servo motor 9 drives the first transmission wheel 10 to rotate, the polishing belt 12 drives the second transmission wheel 11 to rotate synchronously, the third servo motor 36 drives the first synchronous wheel 37 to rotate, the synchronous belt 38 is transmitted to the second synchronous wheel 39, and then the pneumatic rotating chuck 33 drives the metal round bar to rotate accurately, so that the polishing belt 12 fully contacts the edge of the metal round bar, and the burrs around the cutting edge are uniformly polished; the cutting knife 44 and the polishing belt 12 cut and polish the metal round bar, and the generated debris falls into the debris collecting hopper 40 and then slides into the debris collecting box 41; the cut metal round bar falls into the discharge hopper 42 and then slides into the receiving box 43 for collection.
[0020] The above are preferred embodiments of the present application, but do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A shearing device for metal round bars, comprising an operating table (1), wherein the top of the operating table (1) is provided with an opening, a debris collection hopper (40) is provided inside the opening, a debris collection box (41) is installed at the bottom of the debris collection hopper (40), a feeding hopper (42) is provided on one side of the debris collection hopper (40), and a receiving box (43) is installed at the bottom of the feeding hopper (42), characterized in that: A pushing mechanism, a limiting mechanism, and a shearing mechanism are sequentially installed on the top of the operating table (1). The shearing mechanism includes a cutting component, a grinding component, and a clamping component. The shearing mechanism includes a support frame (2) installed on the top of the operating table (1). A first cylinder (3) is installed on the top of the support frame (2). A mounting frame (4) is installed on the output end of the first cylinder (3). A first drive motor (5) is installed on one end of the mounting frame (4). The output end of the first drive motor (5) passes into the mounting frame (4) and is connected to one end of a first lead screw installed inside. Next, the other end of the first lead screw is connected to the bearing seat provided on the inner wall of one end of the mounting frame (4). A first movable seat is adapted to be installed on the first lead screw. An L-shaped fixing frame (6) is installed at the bottom of the first movable seat. The cutting assembly includes a first servo motor (7) fixedly installed on the L-shaped fixing frame (6). The output end of the first servo motor (7) passes through the shaft hole provided on the L-shaped fixing frame (6) and is connected to a cutting blade (44). The upper half of the cutting blade (44) is covered by a housing. The housing is connected to the side wall of the L-shaped fixing frame (6) through a connecting rod. The grinding assembly includes a fixing plate (8) installed at one end of an L-shaped fixing frame (6). A second servo motor (9) is fixedly installed on the right side wall of the fixing plate (8). The output end of the second servo motor (9) passes through the shaft hole on the right side wall of the fixing plate (8) and is equipped with a first transmission wheel (10). A shaft is fitted in the shaft hole on the left side wall of the fixing plate (8). A second transmission wheel (11) is installed at one end of the shaft. A grinding belt (12) is sleeved on the first transmission wheel (10) and the second transmission wheel (11). The clamping assembly includes a mounting base (13) fixedly installed on the side walls of both ends of the support frame (2). A moving rod (14) is installed in a through groove on the mounting base (13). A connecting block (15) is fixedly connected to one end of the moving rod (14). A clamping plate (16) is fixedly installed on one side of the connecting block (15). A threaded rod (17) is also fitted into a screw hole on the top of the mounting base (13). One end of the threaded rod (17) passes through the through groove on the mounting base (13) and is connected to a pressing block (18). An arc-shaped groove is provided at the bottom of the pressing block (18). The arc-shaped groove fits the surface of the moving rod (14). A scale line is provided at the middle position of the mounting base (13). The position of the scale line corresponds to the position of the cutting blade (44). A scale ruler (19) is also installed on one side of the connecting block (15) near the edge.
2. The metal round bar cutting device according to claim 1, characterized in that: The limiting mechanism includes a first fixed seat (20) installed on the top of the operating table (1) at the edge of the support frame (2). Several lower limiting wheels (21) are rotatably installed inside the first fixed seat (20). A second fixed seat (22) is installed on the top of the first fixed seat (20). An upper limiting wheel (23) corresponding to the lower limiting wheel (21) is rotatably installed inside the second fixed seat (22). An L-shaped support plate (24) is fixedly installed on one side of the first fixed seat (20). An adjusting screw (25) is rotatably installed in a threaded hole at the top of one end of the L-shaped support plate (24). One end of the adjusting screw (25) is connected to a bearing seat installed on the second fixed seat (22). A symmetrical guide rod (26) is also provided on the top of the second fixed seat (22). One end of the guide rod (26) slides in a guide hole opened on the L-shaped support plate (24).
3. The metal round bar cutting device according to claim 1, characterized in that: The pushing mechanism includes a second drive motor (27) fixedly installed at one end of the operating table (1). The output end of the second drive motor (27) passes into the groove at the top of the operating table (1) and is connected to one end of a second lead screw (28) provided inside the groove. The other end of the second lead screw (28) is connected to a bearing seat provided on the inner wall of the other end of the groove. A second movable seat is adapted to be installed on the second lead screw (28). A movable seat (29) is fixedly connected to the top of the second movable seat. The sliding groove provided at the bottom of the movable seat (29) is adapted to be matched with the guide rail (30) provided at the top of the operating table (1). A support frame (31) is installed on the top of the movable seat (29). A clamping component for the metal rod and a transmission component for driving the metal rod to rotate are also provided on the movable seat (29).
4. The metal round bar cutting device according to claim 3, characterized in that: The clamping assembly includes a hollow rotary pneumatic chuck (32) fixedly installed on one side of the support frame (31). A pneumatic rotary chuck (33) is provided on the front side of the hollow rotary pneumatic chuck (32). A metal round bar is clamped inside the pneumatic rotary chuck (33). An air pipe (34) is also installed on one side of the hollow rotary pneumatic chuck (32). The other end of the air pipe (34) passes through a through hole opened on the support frame (31) and is connected to an air pump (35) installed inside the support frame (31).
5. The metal rod cutting device according to claim 4, characterized in that: The transmission assembly includes a third servo motor (36) installed inside the support frame (31). The output end of the third servo motor (36) is fixedly mounted with a first synchronous pulley (37). A synchronous belt (38) is sleeved on the first synchronous pulley (37). The other end of the synchronous belt (38) is sleeved with a second synchronous pulley (39) installed on the rotating shaft on the other side of the hollow rotating pneumatic chuck (32).