Profile end face chamfering production line

Abstract

The utility model discloses a profile end face chamfering production line which is characterized in that a first machining table top, a second machining table top and a conveying table top are arranged on a machine frame, a first machining seat is installed on the first machining table top, a second machining seat is installed on the second machining table top, the second machining seat and the first machining seat are arranged in a mirror image mode, and a conveying frame is installed on the conveying table top. A conveying supporting frame is installed on the conveying frame, a first supporting frame is fixedly installed on the first machining base, a second supporting frame is fixedly installed on the second machining base, grooves for containing sectional materials are formed in the first supporting frame and the second supporting frame, the grooves comprise a feeding groove, a transition groove, a machining groove and a discharging groove, and the grooves are formed in the conveying supporting frame. A clamping device is arranged on the conveying supporting frame, and a longitudinal positioning device, a fixing device and a chamfering device are arranged on the first machining base and the second machining base. According to the production line, profiles can be conveyed during feeding and discharging at the same time, meanwhile, the profiles are effectively fixed during machining, and the conveying and machining accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe processing, in particular to a profile end face chamfering production line. Background Art

[0002] Profiles are long steel strips with grooved end faces, which are mainly used in building structures, curtain wall projects, mechanical equipment and vehicle manufacturing. Profiles are cut into strips after production, and the cut edges have burrs, sharp corners and other problems, which make them difficult to assemble and easy to crack. The cut edges need to be chamfered, and high precision is required during chamfering. Accurate chamfering can only be achieved after accurate positioning. Manual grinding is cumbersome, wastes manpower and has low efficiency.

[0003] Patent No. 201910077803.X discloses a feeding device for a pipe end forming machine, which is provided with a feeding plate for steppingly conveying the pipes on the pallet, and a plurality of grooves are provided on the pallet for positioning, restraining and placing. When feeding, the material belt groove on the feeding plate drives the pipe in the second pipe positioning groove to move into the pipe restraining groove, and the grooves on the pallet and the feeding plate are both arc-shaped and V-shaped, which cannot place the profile and effectively fix the profile, and when the pipe in the second pipe positioning groove moves into the pipe restraining groove, there is no device for fixing the pipe on the feeding plate, which is easy to move and affect the conveying; the restraining groove needs to perform end processing on the pipe and online detection and removal of unqualified pipes, the restraining groove can only restrain the side of the pipe, and cannot limit the longitudinal direction of the pipe, and the pipe is in the restraining groove, and the restraining groove is a circular ring groove, and it will also shake during the end processing, affecting the processing effect. Utility Model Content

[0004] The technical problem to be solved by the utility model is: a profile end face chamfering production line, which can simultaneously convey the profiles during loading and unloading, and effectively fix the profiles during processing, thereby improving the accuracy of conveying and processing.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a profile end chamfering production line, including a frame, a first processing table, a second processing table and a conveying table are arranged on the frame, a first processing seat close to the conveying table is longitudinally reciprocatingly installed on the first processing table, a second processing seat close to the conveying table is longitudinally reciprocatingly installed on the second processing table, the first processing seat and the second processing seat are respectively driven by a linear adjustment device, the second processing seat is mirror-set to the first processing seat, a conveying frame is installed on the conveying table for lifting and horizontal sliding, a conveying support frame for clamping profiles is installed on the conveying frame, and a first support frame for supporting the profiles is fixedly installed on the first processing seat A support frame, a second support frame corresponding to the first support frame for supporting the profile is fixedly installed on the second processing seat, the first support frame and the second support frame are provided with grooves for accommodating the profile, including a loading groove, a transition groove, a processing groove and a unloading groove, the conveying support frame is provided with a groove corresponding to the first support frame, the conveying support frame is provided with a clamping device for clamping the profile inserted into the groove, the first processing seat and the second processing seat are provided with a longitudinal positioning device for longitudinally positioning the profile, the first processing seat and the second processing seat are provided with a fixing device for fixing the profile in the processing groove, and the first processing seat and the second processing seat are both provided with chamfering devices corresponding to the processing groove for chamfering both ends of the profile.

[0006] As a preferred solution, a first support frame is fixedly installed on the first processing seat through a bracket, and the fixing device includes a downward pressure baffle rod installed on the bracket and telescopic downward, and a side pressure baffle rod installed on the first support frame and telescopic laterally, and the downward pressure baffle rod and the side pressure baffle rod are both driven by a linear telescopic power device, and the downward pressure baffle rod and the side pressure baffle rod both correspond to the processing groove, and the processing groove on the second support frame is also provided with a corresponding downward pressure baffle rod and side pressure baffle rod.

[0007] As a preferred solution, the longitudinal positioning device includes a fixed barrier rod fixedly mounted on the bracket of the first processing seat and a movable barrier rod longitudinally telescopically mounted on the bracket of the second processing seat, the fixed barrier rod and the movable barrier rod correspond to the transition grooves on the first support frame and the second support frame, and the movable barrier rod is driven by a telescopic blocking power device.

[0008] As a preferred solution, a lifting frame is installed on the conveying table through a lifting sliding seat, and the conveying frame is installed on the lifting frame through a transverse sliding seat. The lifting sliding seat and the transverse sliding seat are driven by a linear motion power device.

[0009] As a preferred solution, the clamping device includes a clamping push rod that is laterally telescopically installed on the conveying support frame, the clamping push rod corresponds to a groove supporting the processing groove on the conveying support frame, and the clamping push rod is driven by a laterally pushing power device.

[0010] As a preferred solution, the chamfering device includes a longitudinal slide longitudinally slidably installed on a first processing seat, a transverse slide is transversely slidably installed on the longitudinal slide, a lifting slide is transversely installed on the transverse slide, a chamfering machine is fixedly installed on the lifting slide, the chamfering end of the chamfering machine corresponds to the processing groove, and the longitudinal slide, transverse slide and lifting slide are all driven to slide back and forth by a linear drive power device.

[0011] As a preferred solution, the first support frame and the second support frame are both detachably mounted on the brackets of the corresponding first processing seat and the second processing seat by screws, and the conveying support frame is also detachably mounted on the conveying frame by screws.

[0012] After adopting the above technical scheme, the effect of the utility model is as follows: since the profile end chamfering production line includes a frame, the frame is provided with a first processing table, a second processing table and a conveying table, the first processing table is longitudinally reciprocatingly slidably installed with a first processing seat close to the conveying table, the second processing table is longitudinally reciprocatingly slidably installed with a second processing seat close to the conveying table, the first processing seat and the second processing seat are respectively driven by a linear adjustment device, the second processing seat is mirror-set with the first processing seat, a conveying frame is lifted and laterally slidably installed on the conveying table, a conveying support frame for clamping the profile is installed on the conveying frame, the first processing seat is fixedly installed with a first support frame supporting the profile, the second processing seat is fixedly installed with a second support frame supporting the profile corresponding to the first support frame, the first support frame and the second support frame are provided with grooves for accommodating the profile, including a feeding trough, a transition trough, a processing trough and a feeding trough, the conveying support frame is provided with a groove corresponding to the first support frame, the conveying support frame is provided with a clamping device for clamping the profile stuck in the groove, the first processing seat and the second processing seat are provided with a longitudinal support frame for longitudinally positioning the profile Positioning device, the first processing seat and the second processing seat are provided with a fixing device for fixing the profile in the processing groove, and the first processing seat and the second processing seat are both provided with a chamfering device corresponding to the processing groove for chamfering the two ends of the profile; firstly, the profile is placed in the loading trough, and then the conveying frame is lowered and moved horizontally to the loading trough, and the groove on the conveying support frame supports the profile in the loading trough, and then it is moved horizontally to the transition trough, the conveying support frame is lowered, and the profile falls into the transition trough, and then the conveying support frame continues to return to the loading trough to support and convey the new profile on the loading trough, and at the same time, The profile in the transition trough is supported, and the profile in the feeding trough falls into the transition trough, and the profile in the transition trough falls into the processing trough. The longitudinal positioning device in the transition trough longitudinally positions the profile. After the fixing device fixes the channel steel on the processing trough, the chamfering device performs chamfering. After the chamfering is completed, the conveying support frame simultaneously supports the profiles in the feeding trough, the transition trough and the processing trough to further move toward the transition trough, the processing trough and the unloading trough, and the clamping device clamps the profile during conveying; the production line can convey the profiles during loading and unloading at the same time, and effectively fix the profiles during processing, thereby improving the accuracy of conveying and processing.

[0013] Since the first supporting frame is fixedly installed on the first processing seat through the bracket, the fixing device includes a downward pressure baffle rod installed on the bracket and telescopic downward, and a side pressure baffle rod installed on the first supporting frame and telescopic laterally, the downward pressure baffle rod and the side pressure baffle rod are both driven by a linear telescopic power device, and the downward pressure baffle rod and the side pressure baffle rod both correspond to the processing groove, and the processing groove on the second supporting frame is also provided with corresponding downward pressure baffle rods and side pressure baffle rods; since the first processing seat can move longitudinally, it can drive the first supporting frame and the chamfering device on the first processing seat to move close to or away from the conveying support frame, which can ensure that profiles of different lengths can be installed, and then the downward pressure baffle rod and the side pressure baffle rod can be effectively fixed in the processing groove, so that the chamfering is stable and reliable.

[0014] Furthermore, since the longitudinal positioning device includes a fixed stop rod fixedly mounted on the bracket of the first processing seat and a movable stop rod longitudinally telescopically mounted on the bracket of the second processing seat, the fixed stop rod and the movable stop rod correspond to the transition grooves on the first support frame and the second support frame, and the movable stop rod is driven by a telescopic blocking power device; the profile is longitudinally aligned before processing to ensure that the chamfer position is accurate.

[0015] Furthermore, since a lifting frame is installed on the conveying table through a lifting sliding seat, and the conveying frame is installed on the lifting frame through a transverse sliding seat, and the lifting sliding seat and the transverse sliding seat are driven by a linear motion power device, it is ensured that the conveying support frame can effectively support the sliding and improve flexibility.

[0016] Furthermore, since the clamping device includes a clamping push rod that is laterally telescopically installed on the conveying support frame, the clamping push rod corresponds to a groove supporting the processing groove on the conveying support frame, and the clamping push rod is driven by a laterally pushing power device, the stability during clamping and conveying is improved, the structure is simple, and the clamping is reliable.

[0017] Furthermore, since the chamfering device includes a longitudinal slide longitudinally slidably installed on the first processing seat, a transverse slide is transversely slidably installed on the longitudinal slide, a lifting slide is transversely installed on the transverse slide, a chamfering machine is fixedly installed on the lifting slide, the chamfering end of the chamfering machine corresponds to the processing groove, the longitudinal slide, the transverse slide and the lifting slide are all driven to slide back and forth by a linear drive power device; the chamfering machine can move in multiple directions to improve the flexibility during chamfering.

[0018] Furthermore, since the first support frame and the second support frame are both detachably mounted on the corresponding brackets of the first processing seat and the second processing seat by screws, the conveying support frame is also detachably mounted on the conveying frame by screws; in this way, the first support frame and the second support frame can be disassembled, which is convenient for replacing grooves of different sizes to adapt to different profiles, while ensuring that the conveying support frame can also be replaced synchronously. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a stereogram of an embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure on the conveying table of an embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the first processing table in the embodiment of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the second processing table in the embodiment of the utility model;

[0024] In the attached drawings: 1, frame; 2, first processing table; 3, second processing table; 4, conveying table; 5, first processing seat; 6, second processing seat; 7, conveying frame; 8, first support frame; 9, conveying support frame; 10, second support frame; 11, upper trough; 12, transition trough; 13, processing trough; 14, lower trough; 15, groove; 16, rack; 17, gear; 18, manual turntable; 19, lower pressure stop bar; 20, bracket; 21, side pressure stop bar; 2 2. Downward pressure cylinder; 23. Side pressure cylinder; 24. Fixed stop rod; 25. Movable stop rod; 26. Telescopic blocking cylinder; 27. Lifting frame; 28. Lifting sliding seat; 29. ​​Transverse sliding seat; 30. Lifting and moving cylinder; 31. Transverse moving cylinder; 32. Connecting plate; 33. Clamping push rod; 34. Transverse pushing cylinder; 35. Longitudinal slide; 36. Transverse slide; 37. Lifting slide; 38. Chamfering machine; 39. Linear drive motor; 40. Profile. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below through specific embodiments.

[0026] The longitudinal direction is the length direction of the frame 1 , and the transverse direction is the direction of conveying the profile 40 .

[0027] like Figures 1 to 4As shown, a profile end chamfering production line includes a frame 1, on which a first processing table 2, a second processing table 3 and a conveying table 4 are provided, a first processing seat 5 close to the conveying table 4 is longitudinally reciprocatingly installed on the first processing table 2, a second processing seat 6 close to the conveying table 4 is longitudinally reciprocatingly installed on the second processing table 3, the first processing seat 5 and the second processing seat 6 are respectively driven by a linear adjustment device, the second processing seat 6 is mirror-set to the first processing seat 5, a conveying frame 7 is lifted and laterally slidably installed on the conveying table 4, a conveying support frame 9 for clamping the profile 40 is installed on the conveying frame 7, a first support frame 8 for supporting the profile 40 is fixedly installed on the first processing seat 5, and a second processing seat 6 is fixedly installed with a first support frame 8 for supporting the profile 40. A support frame 8 corresponds to a second support frame 10 supporting a profile 40, and the first support frame 8 and the second support frame 10 are provided with grooves 15 for accommodating the profile 40, including an upper material groove 11, a transition groove 12, a processing groove 13 and a lower material groove 14. The conveying support frame 9 is provided with a groove 15 corresponding to the first support frame 8, and the conveying support frame 9 is provided with a clamping device for clamping the profile 40 inserted into the groove 15. The first processing seat 5 and the second processing seat 6 are provided with a longitudinal positioning device for longitudinally positioning the profile 40. The first processing seat 5 and the second processing seat 6 are provided with a fixing device for fixing the profile 40 in the processing groove 13. The first processing seat 5 and the second processing seat 6 are both provided with chamfering devices corresponding to the processing groove 13 for chamfering the two ends of the profile 40.

[0028] Since the first processing seat 5 and the second processing seat 6 can move back and forth longitudinally, the first support frame 8, the second support frame 10 and the chamfering device can also move back and forth. The change in the distance between the first support frame 8 and the second support frame 10 can adapt to the installation of profiles 40 of different lengths. The linear adjustment device includes a rack 16 fixed on the frame 1 and extending longitudinally. A gear 17 meshing with the rack 16 is fixedly installed on the first processing seat 5. The gear 17 is connected to the outside of the gear 17 with an artificial turntable 18. In this way, the gear 17 can be driven to rotate by rotating the artificial turntable 18, so that the first processing seat 5 can be effectively rotated. The structure is simple and the movement is precise. The second processing seat 6 is the same. The first support frame 8 and the second support frame 10 are provided with five grooves 15, and the unloading trough 14 is provided with two, which is convenient for the subsequent conveying of the processed profile 40. The conveying support frame 9 has four grooves 15, which can complete the conveying of multiple different grooves 15 at a time, and the grooves 15 have the same structure as the profile 40, which can effectively limit the shaking of the profile 40 and improve the conveying effect.

[0029] In this embodiment, a first support frame 8 is fixedly mounted on the first processing seat 5 through a bracket 20, and the fixing device includes a downward pressure baffle rod 19 installed on the bracket 20 and extending downward, and a side pressure baffle rod 21 installed on the first support frame 8 and extending laterally, and the downward pressure baffle rod 19 and the side pressure baffle rod 21 are both driven by a linear telescopic power device, and the downward pressure baffle rod 19 and the side pressure baffle rod 21 are both corresponding to the processing groove 13, and the processing groove 13 on the second support frame 10 is also provided with a corresponding downward pressure baffle rod 19 and a side pressure baffle rod 21; the second processing seat 6 is also provided with a corresponding bracket 20 to install the second support frame 10, and the linear telescopic power device It includes a downward pressure cylinder 22 vertically installed on the bracket 20 and extending downward, and a side pressure cylinder 23 laterally installed on the side wall of the processing groove 13 and extending laterally. Because on the processing groove 13, after the profile 40 is inserted into the processing groove 13, it will be laterally restricted by the side wall of the groove, and then pressed by the downward pressure baffle rod 19, it can ensure that the profile 40 will not shake up and down, and the side pressure baffle rod 21 can also be laterally extended and retracted to support one side of the profile 40. At the same time, the other side of the profile 40 cooperates with the side wall of the processing groove 13 to further ensure that the profile 40 is fixed during processing. In this way, the first support frame 8 and the second support frame 10 can effectively fix the profile 40 and improve the stability of the chamfer.

[0030] like Figure 1 and Figure 4 As shown, the longitudinal positioning device includes a fixed baffle rod 24 fixedly mounted on the bracket 20 of the first processing seat 5 and a movable baffle rod 25 longitudinally telescopically mounted on the bracket 20 of the second processing seat 6, the fixed baffle rod 24 and the movable baffle rod 25 correspond to the transition grooves 12 on the first support frame 8 and the second support frame 10, and the movable baffle rod 25 is driven by a telescopic blocking power device; the telescopic blocking power device includes a telescopic blocking cylinder 26, and the telescopic blocking cylinder 26 is longitudinally fixed on the bracket 20, and the piston rod longitudinally telescopes and drives the movable baffle rod 25. Since the profile 40 needs to be accurately positioned at both ends in the longitudinal direction when chamfering the end, a preset fixed baffle rod 24 is used on one side to support one end of the profile 40, and the movable baffle rod 25 is telescopically supported on the other side to ensure accurate and reliable positioning.

[0031] like Figure 2As shown, a lifting frame 27 is installed on the conveying table 4 for lifting and lowering through a lifting sliding seat 28, and the conveying frame 7 is installed on the lifting frame 27 for sliding movement through a transverse sliding seat 29. The lifting sliding seat 28 and the transverse sliding seat 29 are driven by a linear motion power device; the lifting sliding seats 28 are respectively installed on the four downwardly extending frame corners of the lifting frame 27, and cooperate with the side walls of the conveying table 4, so as to ensure the stability of the lifting and lowering. Two transverse sliding seats 29 are provided and installed on the lifting frame 27 to ensure stable support. The linear motion power device includes a lifting cylinder 30 and a transverse moving cylinder 31. The lifting cylinder 30 is fixed on the frame 1 and the piston rod passes through the frame 1 to be connected with the lifting frame 27, so the lifting and lowering is stable and accurate. The transverse moving cylinder 31 is fixed on the lifting frame 27 and the piston rod is connected to the conveying frame 7 through the connecting plate 32.

[0032] like Figure 1 and Figure 2 As shown, the clamping device includes a clamping push rod 33 which is laterally telescopically installed on the conveying support frame 9, and the clamping push rod 33 corresponds to the groove 15 on the conveying support frame 9 that supports the processing groove 13. The clamping push rod 33 is driven by a transverse pushing power device; the transverse pushing power device includes a transverse pushing cylinder 34, and the transverse pushing cylinder 34 is fixedly installed on the conveying support frame 9, so that the transverse pushing cylinder 34 pushes one side of the profile 40, and at the same time, the other side of the profile 40 cooperates with the side wall of the groove 15 to be stable and firm during conveying and clamping.

[0033] In this embodiment, the chamfering device includes a longitudinal slide 35 longitudinally slidably mounted on the first processing seat 5, a transverse slide 36 is transversely slidably mounted on the longitudinal slide 35, a lifting slide 37 is transversely mounted on the transverse slide 36, and a chamfering machine 38 is fixedly mounted on the lifting slide 37. The chamfering end of the chamfering machine 38 corresponds to the processing groove 13. The longitudinal slide 35, the transverse slide 36 and the lifting slide 37 are all driven to slide back and forth by a linear drive power device; the chamfering machine 38 is controlled on the first processing seat 5 to perform longitudinal, transverse and lifting movements. The linear drive power device includes a linear drive motor 39, which is connected with the screw nut through the linear drive motor 39, and a nut is connected to the longitudinal slide 35, the transverse slide 36 and the lifting slide 37, and then connected to the screw through the nut. In this way, the movement is accurate and reliable, and the chamfering accuracy is improved. The chamfering machine 38 is an existing structure available on the market, so it is not described in detail in the text.

[0034] Furthermore, the first support frame 8 and the second support frame 10 are both detachably mounted on the corresponding brackets 20 of the first processing seat 5 and the second processing seat 6 by screws, and the conveying support frame 9 is also detachably mounted on the conveying frame 7 by screws; in this way, the first support frame 8 and the second support frame 10 can be disassembled, which is convenient for replacing grooves 15 of different sizes to adapt to different profiles 40, while ensuring that the conveying support frame 9 can also be replaced synchronously.

[0035] The working principle of this embodiment is as follows: first, the distance between the first support frame 8 and the second support frame 10 is adjusted by longitudinal sliding, so that the profile 40 is placed on the loading trough 11, then the lifting frame 27 is lowered and the conveying frame 7 moves to the upper trough 11, the groove 15 of the conveying support frame 9 is aligned with the loading trough 11, then it is raised to support the profile 40, the conveying support frame 9 moves to the transition trough 12, then it is lowered and falls into the transition trough 12, and a new profile 40 is put into the loading trough 11, and the conveying support frame 9 returns to the loading trough 11 to support the new profile 40, and at the same time, the profile 40 in the transition trough 12 is also supported. , and then transported to the transition groove 12 and the processing groove 13 in turn. At this time, the downward pressure stop rod 19 and the side pressure stop rod 21 on the processing groove 13 resist the profile 40, and then the linear drive motor 39 drives each longitudinal slide 35, the transverse slide 36 and the lifting slide 37 to move and drive the chamfering machine 38 to chamfer the end of the profile 40. After completion, the groove 15 on the conveying support frame 9 continues to move the profile 40 corresponding to the upper feeding groove 11, the transition groove 12 and the processing groove 13 backward by the position of a groove 15 in turn, that is, it falls into the transition groove 12, the processing groove 13 and the lower feeding groove 14, and then repeats the above operation to complete the chamfering.

[0036] The above-described embodiments are merely descriptions of preferred implementations of the present invention and are not intended to limit the scope of the present invention. Various modifications and alterations to the technical solution of the present invention, without departing from the design spirit of the present invention, should fall within the scope of protection defined in the claims of the present invention.

Claims

1. A profile end chamfering production line, comprising a frame, characterized in that: The frame is provided with a first processing table, a second processing table and a conveying table, a first processing seat close to the conveying table is longitudinally reciprocatingly installed on the first processing table, a second processing seat close to the conveying table is longitudinally reciprocatingly installed on the second processing table, the first processing seat and the second processing seat are respectively driven by a linear adjustment device, the second processing seat is mirror-set to the first processing seat, a conveying frame is lifted and laterally slidably installed on the conveying table, a conveying support frame for clamping profiles is installed on the conveying frame, a first support frame for supporting profiles is fixedly installed on the first processing seat, and a second processing seat fixedly installed with the first processing seat The support frame corresponds to the second support frame supporting the profile, the first support frame and the second support frame are provided with grooves for accommodating the profile, including a loading groove, a transition groove, a processing groove and a unloading groove, the conveying support frame is provided with a groove corresponding to the first support frame, the conveying support frame is provided with a clamping device for clamping the profile inserted into the groove, the first processing seat and the second processing seat are provided with a longitudinal positioning device for longitudinally positioning the profile, the first processing seat and the second processing seat are provided with a fixing device for fixing the profile in the processing groove, and the first processing seat and the second processing seat are both provided with chamfering devices corresponding to the processing groove for chamfering both ends of the profile.

2. A profile end chamfering production line as claimed in claim 1, characterized in that: A first support frame is fixedly installed on the first processing seat through a bracket, and the fixing device includes a downward pressure baffle rod installed on the bracket and telescopic downward, and a side pressure baffle rod installed on the first support frame and telescopic laterally. The downward pressure baffle rod and the side pressure baffle rod are both driven by a linear telescopic power device, and the downward pressure baffle rod and the side pressure baffle rod both correspond to the processing groove, and the processing groove on the second support frame is also provided with a corresponding downward pressure baffle rod and side pressure baffle rod.

3. A profile end chamfering production line as claimed in claim 2, characterized in that: The longitudinal positioning device includes a fixed barrier rod fixedly mounted on the bracket of the first processing seat and a movable barrier rod longitudinally telescopically mounted on the bracket of the second processing seat. The fixed barrier rod and the movable barrier rod correspond to transition grooves on the first support frame and the second support frame, and the movable barrier rod is driven by a telescopic blocking power device.

4. A profile end chamfering production line as claimed in claim 3, characterized in that: A lifting frame is installed on the conveying table by lifting and lowering the lifting sliding seat, and the conveying frame is installed on the lifting frame by sliding the horizontal sliding seat. The lifting sliding seat and the horizontal sliding seat are driven by a linear motion power device.

5. A profile end chamfering production line as claimed in claim 4, characterized in that: The clamping device comprises a clamping push rod which is laterally telescopically mounted on the conveying support frame, the clamping push rod corresponds to a groove supporting the processing groove on the conveying support frame, and the clamping push rod is driven by a laterally pushing power device.

6. A profile end chamfering production line as claimed in claim 5, characterized in that: The chamfering device includes a longitudinal slide installed on a first processing seat for longitudinal sliding, a transverse slide installed on the longitudinal slide for transverse sliding, a lifting slide installed transversely on the transverse slide, a chamfering machine fixedly installed on the lifting slide, the chamfering end of the chamfering machine corresponds to the processing groove, and the longitudinal slide, the transverse slide and the lifting slide are all driven to slide back and forth by a linear drive power device.

7. A profile end chamfering production line as claimed in claim 6, characterized in that: The first support frame and the second support frame are both detachably mounted on the brackets of the corresponding first processing seat and the second processing seat by screws, and the conveying support frame is also detachably mounted on the conveying frame by screws.

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