A new type of double-head chamfering machine for steel pipe components

Abstract

The present invention provides a new type of double-headed chamfering machine for steel pipe components, which relates to the technical field of chamfering machines and includes: a workbench, a support seat is arranged on the top of the workbench; a first servo motor is arranged on the support seat; two toothed plates are arranged inside the support seat; a feeding groove is arranged on the top of the workbench. In the present invention, there are a stop block and a lifting block. By pushing the steel pipe component body, it will be guided by the slope of the stop block to disengage and enter the placement groove of the feeding wheel, thus completing automatic feeding and transfer. The operation is simple and convenient; through mechanical transmission, the lifting action and transfer action of the steel pipe component body are linked and combined in sequence and carried out at one time, saving the trouble of step-by-step operation, and solving the problem that the feeding action and transfer action of the steel pipe component need to be coordinated and carried out step by step, and the operation process is relatively cumbersome. At the same time, multiple drive control mechanisms are required for the blanking action, which is not only inconvenient to control but also increases the manufacturing cost of the equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of chamfering machines, and particularly to a new type of double-head chamfering machine for steel pipe components. Background Art

[0002] A chamfering machine is a machine manufactured to solve problems such as irregular angles, rough bevels, sharp edges on workpieces that can cause safety problems, and burrs on workpieces after flame cutting, grinding machines, grinding, and machining on machine tools.

[0003] However, for the current traditional new type of double-head chamfering machine for steel pipe components, it is not easy to adjust the chamfering cylinders on both sides according to the size of the steel pipe components at the same time. Moreover, the feeding action and transfer action of the steel pipe components need to be carried out in cooperation step by step, and the operation process is relatively cumbersome. At the same time, multiple drive control mechanisms are required for the blanking action, which is not only inconvenient to control but also increases the manufacturing cost of the equipment. Summary of the Invention

[0004] In view of this, the present invention provides a new type of double-head chamfering machine for steel pipe components, which has a stop block and a lifting block. By pushing the steel pipe component body, it will be guided by the slope of the stop block to disengage and enter the placement groove of the feeding wheel, thus completing automatic feeding and transfer, with simple and convenient operation; through mechanical transmission, the lifting action and transfer action of the steel pipe component body are linked together in sequence and carried out at one time, saving the trouble of step-by-step operation.

[0005] The present invention provides a new type of double-head chamfering machine for steel pipe components, specifically including: a workbench, a support seat is provided on the top of the workbench; a first servo motor is provided on the support seat; two toothed plates are provided inside the support seat; a feeding groove is provided on the top of the workbench, and a steel pipe component body is installed to roll inside the feeding groove; the feeding groove is fixedly connected to the workbench through a vertical frame, and the feeding groove is located in front of the support seat; a lifting plate is provided at the bottom of the feeding groove, and a transmission component is provided at the bottom of the lifting plate; a feeding wheel is provided on the top of the workbench, and the feeding wheel is located behind the feeding groove, and a second servo motor is provided on the right side of the feeding wheel; a blanking groove is provided on the top of the workbench, and the blanking groove is located behind the feeding wheel, and the blanking groove is fixedly connected to the workbench through a vertical frame.

[0006] Optionally, the support seat includes a base, a top frame, a guiding slide rail, a through hole, and a sliding groove. The bases are two and are distributed symmetrically, and the top frame is fixedly installed on the tops of the two bases. The first servo motor is fixedly installed at the middle position on the top of the top frame. The top frame is a rectangular through cavity structure, and guiding slide rails are provided on the front and rear side walls of the top frame. The two toothed plates are respectively slidably installed inside the guiding slide rails. Two through holes are opened on the bottom plate of the top frame. A sliding groove is provided on the top of the base, and the sliding groove corresponds to the through hole.

[0007] Optionally, a first shaft rod is provided on the rotating shaft of the first servo motor, and the first shaft rod is rotatably connected to the top frame through a bearing. A spur gear is provided on the first shaft rod, and the spur gear is located in the cavity of the top frame and is meshed with two toothed plates simultaneously.

[0008] Optionally, the two toothed plates are distributed in a centrosymmetric manner with the center of the first shaft rod as the center. A connecting slider is provided on the toothed plate, and the connecting slider is slidably installed in the through hole. A chamfering cylinder is fixedly installed at the bottom end of the connecting slider, and the two chamfering cylinders are distributed symmetrically. The chamfering cylinder is slidably connected to the base through a chute. A cylinder connecting rod is provided on the relative inner side of the chamfering cylinder, and a cutter head is provided at the end of the cylinder connecting rod, and the cutter head is in contact with the steel pipe element body.

[0009] Optionally, the feeding groove is of a U-shaped structure, and a stop block is provided on the bottom plate at the rear end of the feeding groove. A limiting hole is opened on the bottom plate of the feeding groove, and the limiting hole is located in front of the stop block, and the lifting plate is slidably inserted into the limiting hole.

[0010] Optionally, a top block is provided at the top end of the lifting plate. When the lifting plate is in the rising state, the rear edge of the top block is higher than the upper plane of the rear stop block. A connecting sliding sleeve is provided at the bottom end of the lifting plate, and compression springs are provided on the front and rear sides of the top of the connecting sliding sleeve, and the two ends of the compression spring are respectively connected to the feeding groove and the connecting sliding sleeve.

[0011] Optionally, the transmission assembly includes a fixed seat, a rotating rod, a cam and a first belt pulley. The fixed seat is fixedly installed on the workbench, and the rotating rod is rotatably installed on the fixed seat through a bearing. A cam is provided at the left end of the rotating rod, and the cam is located at the bottom of the connecting sliding sleeve and is in transmission connection with the connecting sliding sleeve. A first belt pulley is provided at the right end of the rotating rod.

[0012] Optionally, the feeding wheel is located below the top frame and is arranged between the two cylinder connecting rods. Bearing seats are provided on the left and right sides of the feeding wheel, and the feeding wheel is rotatably connected to the bearing seats through a rotating main shaft. Four placing grooves are provided on the feeding wheel, and the four placing grooves are distributed in an annular array, and the steel pipe element body is arranged in the placing groove. A driven gear is provided at the right end of the rotating main shaft, and a limiting groove is provided at the top end of the bearing seat, and the cylinder connecting rod is slidably connected to the bearing seat through the limiting groove.

[0013] Optionally, the second servo motor is fixedly installed in the right base, and a second shaft rod is provided on the rotating shaft of the second servo motor. The second shaft rod is rotatably connected to the bearing seat through a bearing, and a second belt pulley and a driving gear are provided on the second shaft rod. The second belt pulley is in transmission connection with the first belt pulley through a belt, and the driving gear is meshed with the driven gear.

[0014] Optionally, connecting rods are provided on the vertical frames on the left and right sides of the blanking chute, and the two connecting rods are distributed symmetrically. A limit clamping block is provided on the relatively inner side of the front end of the connecting rod, and the limit clamping block is rotationally connected to the connecting rod through a damping shaft. The limit clamping blocks are located on the left and right sides of the feeding wheel, and a chamfer is provided on one edge of one end of the limit clamping block, and the limit clamping block is in contact with the steel pipe element body.

[0015] Advantageous effects

[0016] For the new double-head chamfering machine for steel pipe elements according to the embodiments of the present invention, compared with the traditional chamfering machine, power is provided by the first servo motor, and the two toothed plates are driven by spur gears, so that the two toothed plates slide along the guiding slide rails. The chamfering cylinder is driven by the connecting slider to adjust the position, and the two chamfering cylinders are started to make the cutter heads at the ends of the cylinder connecting rods gather towards the middle, and at the same time, the two ends of the steel pipe element body are squeezed to complete chamfering, and the chamfering cylinder can be adjusted according to the length of the steel pipe element body. Its operation is convenient and can better meet the use requirements.

[0017] In addition, the steel pipe element body in the feeding chute moves to the top of the stop block under the pushing of the top block of the lifting plate. The steel pipe element body will be guided by the slope of the stop block to break away and enter the placement groove of the feeding wheel, thus completing automatic feeding and transfer. The operation is simple and convenient, the steel pipe element body can be arranged orderly, and the production efficiency of the equipment is greatly improved.

[0018] In addition, power is provided by the second servo motor, and the second belt pulley and the first belt pulley are driven by a belt, so that the rotating rod drives the cam to rotate, and then the lifting action of the lifting plate is completed. At the same time, the driving gear and the driven gear are used for transmission, so that the placement groove of the feeding wheel transfers the steel pipe element body upward. The lifting action and the transfer action of the steel pipe element body are linked together in sequence and carried out at one time through mechanical transmission, saving the trouble of step-by-step operation.

[0019] In addition, when the feeding wheel carries the steel pipe element body after chamfering and transfers it backward, the limit clamping blocks on both sides of the blanking chute block the steel pipe element body, press it backward and enter the blanking chute, and the damping shaft is used to make the limit clamping block return to the initial state to continue the blanking action. The whole process is simple and direct, which saves the additional setting of a discharging driving motor and helps to reduce the weight and cost of the equipment. Description of the drawings

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below.

[0021] The drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.

[0022] In the drawings:

[0023] Figure 1 Shows a schematic diagram of the overall structure of a new type of double-headed chamfering machine for steel pipe elements according to an embodiment of the present invention;

[0024] Figure 2 Shows a new type of double-headed chamfering machine for steel pipe elements according to an embodiment of the present invention Figure 1 Schematic diagram of the rotated perspective view drawn;

[0025] Figure 3 Shows a schematic diagram of the exploded state of the support base, the first servo motor and the toothed plate of a new type of double-headed chamfering machine for steel pipe elements according to an embodiment of the present invention;

[0026] Figure 4 Shows a new type of double-headed chamfering machine for steel pipe elements according to an embodiment of the present invention Figure 1 Schematic diagram drawn after removing the support base, the first servo motor and the toothed plate;

[0027] Figure 5 Shows a schematic diagram of the lifting plate, the transmission assembly and a part of the feeding trough of a new type of double-headed chamfering machine for steel pipe elements according to an embodiment of the present invention;

[0028] Figure 6 Shows a new type of double-headed chamfering machine for steel pipe elements according to an embodiment of the present invention Figure 5 Schematic diagram of the exploded state drawn;

[0029] Figure 7 Shows a schematic diagram of the feeding wheel and the second servo motor of a new type of double-headed chamfering machine for steel pipe elements according to an embodiment of the present invention;

[0030] Figure 8 Shows a schematic diagram of the feeding wheel and the discharging trough of a new type of double-headed chamfering machine for steel pipe elements according to an embodiment of the present invention;

[0031] Figure 9 Shows a schematic diagram of the discharging trough of a new type of double-headed chamfering machine for steel pipe elements according to an embodiment of the present invention.

[0032] List of reference numerals

[0033] 1. Workbench; 2. Support base; 201. Base; 202. Top frame; 203. Guide slide rail; 204. Through hole; 205. Chute; 3. First servo motor; 301. First shaft rod; 302. Straight gear; 4. Rack; 401. Connecting slider; 402. Chamfering cylinder; 403. Cylinder connecting rod; 5. Feeding groove; 501. Stop block; 502. Limit hole; 6. Lifting plate; 601. Top block; 602. Connecting sliding sleeve; 603. Compression spring; 7. Transmission component; 701. Fixed seat; 702. Rotating rod; 703. Cam; 704. First pulley; 8. Feeding wheel; 801. Bearing seat; 802. Rotating main shaft; 803. Placing groove; 804. Driven gear; 805. Limit groove; 9. Second servo motor; 901. Second shaft rod; 902. Second pulley; 903. Driving gear; 10. Discharging groove; 1001. Connecting rod; 1002. Limit clamping block; 1003. Damping shaft; 11. Steel pipe element body. Detailed implementation manners

[0034] In order to make the objectives, solutions, and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the meanings commonly used in the art. The same reference numerals in the drawings represent the same components.

[0035] Embodiment: Please refer to Figures 1 to 9 :

[0036] The present invention provides a new type of double - head chamfering machine for steel pipe elements, including: a workbench 1, a support base 2 is provided on the top of the workbench 1; a first servo motor 3 is provided on the support base 2; two racks 4 are provided inside the support base 2; a feeding groove 5 is provided on the top of the workbench 1, and a steel pipe element body 11 is rotatably installed in the feeding groove 5; the feeding groove 5 is fixedly connected to the workbench 1 through a vertical frame, and the feeding groove 5 is located in front of the support base 2; a lifting plate 6 is provided at the bottom of the feeding groove 5, and a transmission component 7 is provided at the bottom of the lifting plate 6; a feeding wheel 8 is provided on the top of the workbench 1, and the feeding wheel 8 is located behind the feeding groove 5, and a second servo motor 9 is provided on the right side of the feeding wheel 8; a discharging groove 10 is provided on the top of the workbench 1, and the discharging groove 10 is located behind the feeding wheel 8, and the discharging groove 10 is fixedly connected to the workbench 1 through a vertical frame.

[0037] In addition, according to the embodiments of the present invention, as Figure 3As shown in the figure, the support base 2 includes a base 201, a top frame 202, a guiding slide rail 203, through holes 204 and a chute 205. The two bases 201 are symmetrically distributed, and the top frame 202 is fixedly installed on the tops of the two bases 201. Moreover, the first servo motor 3 is fixedly installed at the middle position on the top of the top frame 202. The top frame 202 is a rectangular through cavity structure, and guiding slide rails 203 are provided on the front and rear side walls of the top frame 202. Moreover, the two toothed plates 4 are respectively slidably installed in the guiding slide rails 203. Through holes 204 are provided on the bottom plate of the top frame 202. A chute 205 is provided on the top of the base 201, and the chute 205 corresponds to the through holes 204;

[0038] A first shaft rod 301 is provided on the rotating shaft of the first servo motor 3, and the first shaft rod 301 is rotatably connected to the top frame 202 through a bearing. A spur gear 302 is provided on the first shaft rod 301, and the spur gear 302 is located in the cavity of the top frame 202. Moreover, the spur gear 302 is simultaneously meshed with the two toothed plates 4;

[0039] The two toothed plates 4 are distributed symmetrically with the center of the first shaft rod 301 as the center. A connecting slider 401 is provided on the toothed plate 4, and the connecting slider 401 is slidably installed in the through hole 204. A chamfering cylinder 402 is fixedly installed at the bottom end of the connecting slider 401. The two chamfering cylinders 402 are symmetrically distributed. Moreover, the chamfering cylinder 402 is slidably connected to the base 201 through the chute 205. A cylinder connecting rod 403 is provided on the relatively inner side of the chamfering cylinder 402. A cutter head is provided at the end of the cylinder connecting rod 403, and the cutter head is in contact with the steel pipe element body 11. In the present invention, power is provided by the first servo motor 3. The spur gear 302 is used to drive the two toothed plates 4, so that the two toothed plates 4 slide along the guiding slide rails 203. The position of the chamfering cylinder 402 is adjusted by driving the connecting slider 401. The two chamfering cylinders 402 are started to make the cutter heads at the ends of the cylinder connecting rods 403 gather towards the middle, and chamfers are completed by squeezing the two ends of the steel pipe element body 11 at the same time. Moreover, the chamfering cylinder 402 can be adjusted according to the length of the steel pipe element body 11.

[0040] In addition, according to an embodiment of the present invention, as Figure 5 and Figure 6 shown, the feeding trough 5 is a U-shaped structure, and a stop block 501 is provided on the bottom plate at the rear end of the feeding trough 5. A limiting hole 502 is provided on the bottom plate of the feeding trough 5, and the limiting hole 502 is located in front of the stop block 501. Moreover, the lifting plate 6 is slidably inserted into the limiting hole 502;

[0041] The top end of the lifting plate 6 is provided with a top block 601. When the lifting plate 6 is in the ascending state, the rear edge of the top block 601 is higher than the upper plane of the rear side stop block 501. The bottom end of the lifting plate 6 is provided with a connecting sliding sleeve 602, and compression springs 603 are arranged on the front and rear sides of the top of the connecting sliding sleeve 602. The two ends of the compression spring 603 are respectively connected to the feeding groove 5 and the connecting sliding sleeve 602. Among them, the steel pipe component body 11 in the feeding groove 5 is pushed by the top block 601 of the lifting plate 6 to move to the top of the stop block 501, and the steel pipe component body 11 will be guided by the slope of the stop block 501 to break away and enter the placement groove 803 of the feeding wheel 8, thus completing automatic feeding and transfer.

[0042] In addition, according to an embodiment of the present invention, as Figure 7 shown, the transmission assembly 7 includes a fixed seat 701, a rotating rod 702, a cam 703 and a first belt pulley 704. The fixed seat 701 is fixedly installed on the workbench 1, and the rotating rod 702 is rotatably installed on the fixed seat 701 through a bearing. The left end of the rotating rod 702 is provided with the cam 703, and the cam 703 is located at the bottom of the connecting sliding sleeve 602 and is in transmission connection with the connecting sliding sleeve 602. The right end of the rotating rod 702 is provided with the first belt pulley 704;

[0043] The feeding wheel 8 is located below the top frame 202 and is arranged between the two cylinder connecting rods 403. Bearing seats 801 are arranged on the left and right sides of the feeding wheel 8, and the feeding wheel 8 is rotatably connected to the bearing seats 801 through a rotating main shaft 802. Four placement grooves 803 are arranged on the feeding wheel 8, and the four placement grooves 803 are distributed in an annular array. The steel pipe component body 11 is arranged in the placement groove 803. The right end of the rotating main shaft 802 is provided with a driven gear 804. A limiting groove 805 is arranged at the top end of the bearing seat 801, and the cylinder connecting rod 403 is slidably connected to the bearing seat 801 through the limiting groove 805;

[0044] The second servo motor 9 is fixedly installed in the right base 201, and a second shaft rod 901 is arranged on the rotating shaft of the second servo motor 9. The second shaft rod 901 is rotatably connected to the bearing seat 801 through a bearing, and a second belt pulley 902 and a driving gear 903 are arranged on the second shaft rod 901. The second belt pulley 902 is in transmission connection with the first belt pulley 704 through a belt, and the driving gear 903 is meshed with the driven gear 804. The power of the present invention is provided by the second servo motor 9. Among them, the second belt pulley 902 and the first belt pulley 704 are in transmission through a belt, so that the rotating rod 702 drives the cam 703 to rotate, and then the lifting action of the lifting plate 6 is completed. At the same time, by using the transmission of the driving gear 903 and the driven gear 804, the placement groove 803 of the feeding wheel 8 transfers the steel pipe component body 11 upward. Through mechanical transmission, the lifting action and the transfer action of the steel pipe component body 11 are linked together in sequence and carried out at one time, saving the trouble of step-by-step operation.

[0045] In addition, according to an embodiment of the present invention, as Figure 8 and Figure 9 shown, connecting rods 1001 are provided on the vertical frames on the left and right sides of the blanking chute 10, and the two connecting rods 1001 are distributed symmetrically. A limit clamping block 1002 is provided on the relatively inner side of the front end of the connecting rod 1001, and the limit clamping block 1002 is rotatably connected to the connecting rod 1001 through a damping shaft 1003. The limit clamping blocks 1002 are located on the left and right sides of the feeding wheel 8, and a chamfer is provided on one edge of the end of the limit clamping block 1002, and the limit clamping block 1002 is in contact with the steel pipe element body 11. When the feeding wheel 8 carries the steel pipe element body 11 after chamfering and transfers it backward, the limit clamping blocks 1002 on both sides of the blanking chute 10 block the steel pipe element body 11, press it backward and enter it into the blanking chute 10, and use the damping shaft 1003 to make the limit clamping block 1002 return to the initial state to continue the blanking action. The whole process is simple and direct.

[0046] Specific usage and function of this embodiment: In the present invention, power is provided by the first servo motor 3, and the two toothed plates 4 are driven by the spur gear 302 to slide along the guiding slide rail 203. The connecting slider 401 drives the chamfering cylinder 402 to adjust the position, and the two chamfering cylinders 402 are started to make the cutter heads at the ends of the cylinder connecting rods 403 gather towards the middle, and at the same time, the two ends of the steel pipe element body 11 are squeezed to complete chamfering, and the chamfering cylinder 402 can be adjusted according to the length of the steel pipe element body 11; among them, the steel pipe element body 11 in the feeding chute 5 moves to the top of the stop block 501 under the pushing of the top block 601 of the lifting plate 6, and the steel pipe element body 11 will be guided by the slope of the stop block 501 to break away and enter the placement groove 803 of the feeding wheel 8, so as to complete automatic feeding and transfer; when the feeding wheel 8 carries the steel pipe element body 11 after chamfering and transfers it backward, the limit clamping blocks 1002 on both sides of the blanking chute 10 block the steel pipe element body 11, press it backward and enter it into the blanking chute 10, and use the damping shaft 1003 to make the limit clamping block 1002 return to the initial state to continue the blanking action. The whole process is simple and direct.

[0047] Finally, it should be noted that when the present invention describes the positions of various components and their cooperation relationships, etc., usually one / a pair of components are taken as examples. However, those skilled in the art should understand that such positions, cooperation relationships, etc. are equally applicable to other components / other pairs of components.

[0048] The above description is only an exemplary embodiment of the present invention and is not used to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A new type of double-head chamfering machine for steel pipe components, characterized by: A novel double-head chamfering machine for steel pipe elements, comprising: a workbench (1), wherein a support seat (2) is provided on the top of the workbench (1); a first servo motor (3) is provided on the support seat (2); two tooth plates (4) are provided in the support seat (2); a feed trough (5) is provided on the top of the workbench (1), and a steel pipe element body (11) is rotatably mounted in the feed trough (5); the feed trough (5) is fixedly connected to the workbench (1) via a vertical frame, and the feed trough (5) is located on the support seat (2). front side; a lifting plate (6) is provided at the bottom of the feeding trough (5), and a transmission assembly (7) is provided at the bottom of the lifting plate (6); a feeding wheel (8) is provided at the top of the workbench (1), and the feeding wheel (8) is located at the rear side of the feeding trough (5), and a second servo motor (9) is provided on the right side of the feeding wheel (8); a material discharge trough (10) is provided at the top of the workbench (1), and the material discharge trough (10) is located at the rear side of the feeding wheel (8), and the material discharge trough (10) is fixedly connected to the workbench (1) through a vertical frame; The support seat (2) comprises a base (201), a top frame (202), a guide rail (203), a through hole (204) and a slide groove (205); the base (201) is symmetrically distributed at two locations, and the top frame (202) is fixedly installed on the top of the two bases (201); and the first servo motor (3) is fixedly installed at the middle position of the top of the top frame (202); the top frame (202) is a rectangular through-cavity structure, and the front and rear side walls of the top frame (202) are provided with guide rails (203), and two tooth plates (4) are respectively slidably installed in the guide rails (203); the bottom plate of the top frame (202) is provided with two through holes (204), and the top of the base (201) is provided with a slide groove (205), and the slide groove (205) corresponds to the through hole (204); A first shaft (301) is provided on the rotating shaft of the first servo motor (3), and the first shaft (301) is rotatably connected to the top frame (202) via a bearing, a spur gear (302) is provided on the first shaft (301), and the spur gear (302) is located in a cavity of the top frame (202), and the spur gear (302) is meshedly connected to two toothed plates (4) at the same time; The tooth plates (4) at two locations are symmetrically distributed around the center of the first shaft (301), and a connecting slider (401) is provided on the tooth plate (4), and the connecting slider (401) is slidably installed in the through hole (204), a chamfering cylinder (402) is fixedly installed at the bottom end of the connecting slider (401), and the two chamfering cylinders (402) are symmetrically distributed, and the chamfering cylinder (402) is slidably connected to the base (201) through a slide groove (205), a cylinder connecting rod (403) is provided on the inner side of the chamfering cylinder (402), and a cutter disc is provided at the end of the cylinder connecting rod (403), and the cutter disc is in contact with the steel pipe element body (11); The transmission assembly (7) comprises a fixed seat (701), a rotating rod (702), a cam (703) and a first pulley (704); the fixed seat (701) is fixedly mounted on the workbench (1); the rotating rod (702) is rotatably mounted on the fixed seat (701) via a bearing; a cam (703) is provided at the left end of the rotating rod (702); the cam (703) is located at the bottom of the connecting sleeve (602); the cam (703) is connected to the connecting sleeve (602) in a transmission manner; and a first pulley (704) is provided at the right end of the rotating rod (702); The feeding wheel (8) is located below the top frame (202), and the feeding wheel (8) is arranged between two cylinder connecting rods (403). Bearing seats (801) are arranged on the left and right sides of the feeding wheel (8), and the feeding wheel (8) is rotatably connected to the bearing seat (801) through a rotating main shaft (802). Four placement grooves (803) are arranged on the feeding wheel (8), and the four placement grooves (803) are distributed in a ring array. The steel pipe element body (11) is arranged in the placement groove (803), a driven gear (804) is arranged at the right end of the rotating main shaft (802), a limiting groove (805) is arranged at the top of the bearing seat (801), and the cylinder connecting rod (403) is slidably connected to the bearing seat (801) through the limiting groove (805).

2. The new double-end chamfering machine for steel pipe elements as claimed in claim 1 is characterized in that: The feeding trough (5) is a U-shaped structure, and a stopper (501) is provided on the bottom plate at the rear end of the feeding trough (5), a limiting hole (502) is provided on the bottom plate of the feeding trough (5), and the limiting hole (502) is located in front of the stopper (501), and the lifting plate (6) is slidably inserted into the limiting hole (502).

3. The new double-head chamfering machine for steel pipe elements as claimed in claim 2 is characterized in that: A top block (601) is provided at the top of the lifting plate (6). When the lifting plate (6) is in an ascending state, the rear edge of the top block (601) is higher than the upper plane of the rear stopper (501). A connecting sleeve (602) is provided at the bottom of the lifting plate (6). Compression springs (603) are provided at the front and rear sides of the top of the connecting sleeve (602). The two ends of the compression spring (603) are respectively connected to the feeding trough (5) and the connecting sleeve (602).

4. The new double-head chamfering machine for steel pipe elements as claimed in claim 1 is characterized in that: The second servo motor (9) is fixedly installed in the right base (201), and a second shaft (901) is provided on the rotating shaft of the second servo motor (9), the second shaft (901) is rotatably connected to the bearing seat (801) via a bearing, and a second pulley (902) and a driving gear (903) are provided on the second shaft (901), the second pulley (902) is transmission-connected to the first pulley (704) via a belt, and the driving gear (903) is meshingly connected to the driven gear (804).

5. The new double-end chamfering machine for steel pipe elements as claimed in claim 1 is characterized in that: Connecting rods (1001) are provided on the vertical frames on the left and right sides of the feed chute (10), and the two connecting rods (1001) are symmetrically distributed. A limiting block (1002) is provided on the inner side of the front end of the connecting rod (1001), and the limiting block (1002) is rotatably connected to the connecting rod (1001) via a damping shaft (1003). The limiting block (1002) is located on the left and right sides of the feeding wheel (8), and one end edge of the limiting block (1002) is chamfered, and the limiting block (1002) is in contact with the steel pipe element body (11).

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