CN113198886A

CN113198886A - Manual section bar platform of buckling

Info

Publication number: CN113198886A
Application number: CN202110407636.8A
Authority: CN
Inventors: 熊腾; 熊荣华; 崔荣权; 王艳华; 尹保喜; 汪千敏
Original assignee: Shanghai Moneypanther Automation Systems Co ltd
Current assignee: Shanghai Moneypanther Automation Systems Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-08-03
Anticipated expiration: 2041-04-15
Also published as: CN113198886B

Abstract

The utility model relates to a technical field of section bar adjustment especially relates to a manual section bar platform of buckling, aims at solving the problem that prior art section bar was rectified, and its technical scheme is: the leveling frame is provided with a leveling mechanism for leveling the section, and the leveling mechanism comprises a positioning component for positioning the section and an adjusting component for adjusting the section; the positioning assembly comprises a plurality of positioning frames fixedly arranged at the top of the leveling frame, and positioning holes for placing the sectional materials are formed in the positioning frames; the adjusting part that adjusting part is used for jacking section bar to rectify including setting up on leveling frame, this application has rectifies the section bar, improves the technological effect of section bar planarization.

Description

Manual section bar platform of buckling

Technical Field

The application relates to the technical field of profile adjustment, in particular to a manual profile bending platform.

Background

The section bar is a solid straight bar which is formed by plastic processing and has a certain section shape and size. The section bar has various varieties and specifications and wide application, and plays a very important role in rolling production.

The sectional material is generally manufactured by fusion casting, the related sectional material comprises three procedures of material preparation, smelting and casting, the components and the additive content of various alloys are calculated according to the model of the specifically produced sectional material, then the prepared raw materials are melted, the mixed slag and gas in the melt are effectively removed by means of degassing, deslagging and refining, and finally, the sectional material is cooled and cast by a casting system to form various sectional materials which accord with the rules. Due to the adoption of the cooling casting mode, under the characteristic of expansion with heat and contraction with cold of the section bar, the section bar is deformed after being processed, and the related correction mode is repaired by means of knocking and the like, but the knocking and the like correction easily damages the surface of the section bar.

With respect to the related art in the above, the inventors consider that there are drawbacks: the correction treatment mode of the deformed section bar is too rough, so that the surface of the section bar is easy to damage.

Disclosure of Invention

In order to rectify the section bar, improve the planarization of section bar, this application provides a section bar levelling mechanism.

The application provides a manual section bar platform of buckling adopts following technical scheme:

a manual section bending platform comprises a leveling frame, wherein a leveling mechanism for leveling a section is arranged on the leveling frame, the leveling mechanism comprises a positioning assembly for positioning the section and an adjusting assembly for adjusting the section;

the positioning assembly comprises a plurality of positioning frames fixedly arranged at the top of the leveling frame, and positioning holes for placing the sectional materials are formed in the positioning frames;

the adjusting component comprises an adjusting piece which is arranged on the leveling frame and used for correcting the jacking section.

By adopting the technical scheme, after the profile is placed on the leveling frame, the positioning parts are adopted to position the two ends of the profile, the two ends of the profile are fixed in the positioning holes, and then the leveling mechanism is used for correcting the bottom of the profile, so that the damage to the profile caused by knocking correction is reduced, and the profile correction effect is improved; meanwhile, the top of the section bar is protected and treated by the aid of the adjusting piece.

Optionally, an upper clamping column and a lower clamping column for clamping the profile are arranged on the positioning frame, the upper clamping column and the lower clamping column are horizontally arranged, and a positioning hole is formed between the upper clamping column and the lower clamping column;

the positioning assembly further comprises a positioning piece, the positioning piece comprises two positioning blocks which are oppositely arranged, the two positioning blocks are arranged on the top surface of the lower clamping column, the positioning piece further comprises a positioning rod which pushes the positioning blocks to move, a positioning rod which is penetrated by the positioning rod is arranged on the side wall of the positioning frame, and the positioning rod is in threaded connection with the positioning hole.

By adopting the technical scheme, the positioning frame is provided with the upper clamping column and the lower clamping column, the positioning hole is formed by the upper clamping column, the lower clamping column and the positioning frame, and two ends of the section bar are placed in the positioning hole; then the setting element is further fixed to the both ends of section bar, adopts two relative locating pieces to carry out positioning treatment to the section bar, improves the stability of section bar in the alignment process, adopts the mode that the locating lever drove the locating piece and removes simultaneously for two relative setting locating piece adapt to the section bar of different width, improve the suitability of setting element to the section bar.

Optionally, a magnet block is arranged on one side of the positioning rod close to the positioning block, a magnetic hole corresponding to the magnet block is arranged on the side wall of the positioning block, and a positioning spring is sleeved on the outer wall of the positioning rod;

rubber pads are arranged on the side walls of the two opposite positioning blocks; the top of centre gripping post down is provided with the constant head tank, two the bottom of locating piece all is equipped with the slider.

By adopting the technical scheme, the positioning rod is connected with the positioning block by the magnet block, so that the positioning block and the positioning rod can be conveniently kept in a connection relationship in the rotation process of the positioning rod, and the connection tightness of the positioning block and the positioning rod is improved; meanwhile, rubber leather pads are arranged on the two opposite surfaces, and the rubber leather pads are utilized to reduce the influence on the section bar in the clamping process; and finally, the stability of the positioning block is improved by the arrangement of the positioning groove and the sliding block.

Optionally, the upper clamping column is detachably connected to the positioning frame, a hinge block is arranged on one side of the upper clamping column in the length direction, a hinge groove corresponding to the hinge block is formed in the top of the positioning frame, and the upper clamping column is hinged to the positioning frame;

the side wall of the leveling frame is provided with a slide rail, a plurality of pulleys are arranged in the slide rail, the side wall of the positioning frame is connected with a T-shaped plate, the T-shaped plate is provided with a plurality of moving holes, the moving holes are connected with the centers of the pulleys, and the moving holes are arranged in the moving holes in a penetrating mode.

By adopting the technical scheme, the upper clamping column is detachably arranged, so that the sectional material can be conveniently placed on the lower clamping column, and meanwhile, the upper clamping column is hinged, so that the upper clamping column can be conveniently opened; the side wall of the leveling frame is provided with a sliding rail for the leveling frame to move, and the position of the leveling frame on the leveling frame is replaced, so that the leveling frame is suitable for sections with different lengths to be corrected.

Optionally, the regulating part sets up to the jack, the adjusting part still includes the regulating plate that sets up at the jack top, the top of regulating plate is the setting of U type, be equipped with the flexible pad on the roof of regulating plate.

Through adopting above-mentioned technical scheme, the section bar utilizes the jack to rectify the section bar after placing the locating hole, uses the top of jack to rectify the bottom of section bar gradually, and the setting of regulating plate improves the area of contact to the section bar bottom among the correction process simultaneously, and then improves the planarization that the section bar was rectified.

Optionally, the adjusting assembly further comprises a moving member for driving the jack to move, the moving member comprises a sliding base for fixing the jack, and a moving groove for placing the slide base is formed in the leveling frame;

the moving member still includes the driving motor that the drive base that slides removed, driving motor sets up the base bottom that slides, the last drive gear that is provided with of driving motor, the bottom of levelling frame still is equipped with the driving rack who is connected with the drive gear meshing.

Through adopting above-mentioned technical scheme, the moving member makes the jack remove gradually along the length direction of section bar, and then makes the jack rectify the section bar bottom, and the moving member removes the back, and the jack carries out the processing of proofreading and correct gradually to the section bar bottom, and then improves the correction effect of section bar.

Optionally, the regulating plate includes butt joint board, well sliding plate and roof down, go up butt joint board, well sliding plate and roof down and from top to bottom be the ladder setting, roof and well sliding plate fixed connection down, roof and jack top fixed connection down.

Through adopting above-mentioned technical scheme, fall into butt joint board, well sliding plate and roof down with the regulating plate, and well sliding plate and roof down move in butt joint board bottom, utilize the moving member to drive in the moving piece sliding plate and roof down move in butt joint board bottom for jack rectifies the different positions in section bar bottom, has reached the correction effect that improves the section bar.

Optionally, well slide plate top is the setting of U type, be provided with the inner groovy on the well slide plate inner wall, be provided with a plurality of balls in the inner groovy, upward be equipped with the arc recess that corresponds a plurality of balls on the butt plate outer wall.

Through adopting above-mentioned technical scheme, the cross section of well sliding plate becomes the U type for go up the butt joint board and move on well sliding plate, and then the moving member drives jack and rectifies the processing to the section bar bottom, and the ball that is equipped with in the inner groovy is used for improving well sliding plate mobility stability simultaneously.

Optionally, the leveling mechanism further comprises an upper pressing piece, the upper pressing piece comprises a horizontal rod, two ends of the horizontal rod in the length direction are fixedly connected with the upper clamping column, and a rubber layer is arranged at the bottom of the horizontal rod.

Through adopting above-mentioned technical scheme, utilize the horizon bar setting at the section bar top for the jack is at the correction in-process that makes progress, and the horizon bar forms reverse effort to the section bar of bottom, reaches the effect of supplementary correction to the section bar.

Optionally, the leveling mechanism further comprises a reaction bandage.

Through adopting above-mentioned technical scheme, utilize the reaction bandage to carry out tensile processing to the horizon bar for the horizon bar provides reaction force, reaches the purpose that improves the section bar and rectify.

In summary, the present application includes at least one of the following beneficial technical effects:

1. positioning the two ends of the profile by using a positioning assembly, fixing the two ends of the profile in positioning holes, correcting the bottom of the profile by using a leveling mechanism to reduce the damage to the profile caused by knocking correction, and protecting the top of the profile by using an adjusting piece;

2. fix the processing through the setting element to the section bar both ends of placing, reduce the deviation of section bar appearance in the alignment process, improve the stability that the section bar was rectified, then utilize the moving member to drive the jack and remove for the jack is rectified to the bottom of section bar many places, improves the correction effect of section bar.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a portion of a positioning assembly according to an embodiment of the present application;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of a portion of an adjustment assembly according to an embodiment of the present application;

FIG. 5 is a schematic end view of an adjustment assembly according to an embodiment of the present application

Fig. 6 is an enlarged view at B in fig. 5.

Description of reference numerals: 1. leveling frames; 2. a leveling mechanism; 3. a positioning assembly; 4. an adjustment assembly; 5. a positioning frame; 6. positioning holes; 7. an adjustment member; 8. an upper clamping column; 9. a lower clamping post; 10. positioning blocks; 11. positioning a rod; 13. a magnet block; 14. a magnetic aperture; 15. a positioning spring; 16. positioning a groove; 17. a slider; 18. a hinged block; 19. a hinge recess; 20. a slide rail; 21. a pulley; 22. a T-shaped plate; 23. moving the hole; 24. a travel bar; 25. a jack; 26. an adjusting plate; 27. a flexible pad; 28. a moving member; 29. a sliding base; 30. a moving groove; 31. a drive gear; 32. a drive rack; 33. an upper abutting plate; 34. a middle sliding plate; 35. a lower top plate; 36. an inner groove; 37. a ball bearing; 38. an arc-shaped groove; 39. a pressing piece is arranged; 40. a horizontal bar; 41. a rubber layer; 42. a reactive bandage.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Example (b):

the embodiment of the application discloses manual section bar platform of buckling. Referring to fig. 1, the bending platform comprises a leveling frame 1, a positioning piece for positioning the profile is arranged on the leveling frame 1, a leveling mechanism 2 for leveling the profile is further arranged on the leveling frame 1, the leveling mechanism 2 comprises a positioning component 3 and an adjusting component 4, the adjusting component 4 comprises an adjusting piece 7 and an upper pressing piece 39, the profile is placed on the leveling frame 1, the leveling mechanism 2 is used for correcting the profile after the positioning piece is used for positioning the profile, the adjusting piece 7 is used for correcting the profile, damage to the profile caused by knocking correction is reduced, and the profile correcting effect is improved.

Referring to fig. 2, locating component 3 includes locating rack 5, locating rack 5 is provided with the multiunit, the bottom setting of locating rack 5 is in leveling 1 length direction both sides of frame, the bottom of locating rack 5 is equipped with the translation piece, the translation piece is including setting up at 5 lateral wall bottom T boards 22 of locating rack, be provided with slide rail 20 on the lateral wall of leveling frame 1, the translation piece is including setting up pulley 21 in slide rail 20, be equipped with a plurality of carriage release levers 24 on the T board 22, carriage release lever 24 is connected with pulley 21 center department. The T-shaped plate 22 is provided with a plurality of moving holes 23 for the moving rods 24 to penetrate through, meanwhile, the T-shaped plate 22 is fixedly connected with the bottom of the side wall of the top positioning frame 5, and the positioning rod 11 is provided with a fixing nut for fixing the moving rods 24. Utilize a plurality of T templates 22 to be connected with pulley 21, remove locating rack 5 along slide rail 20 length direction, change the distance between two adjacent locating racks 5, and then adapt to different length section bars and rectify.

Referring to fig. 2, the positioning frames 5 are provided with an upper clamping column 8 and a lower clamping column 9 which are horizontally arranged, the lower clamping column 9 is fixedly connected with two adjacent positioning frames 5, and the upper clamping column 8 is hinged to the tops of the positioning frames 5. Go up and be provided with articulated piece 18 that carries out articulated processing with locating rack 5 on the centre gripping post 8, be equipped with the articulated recess 19 that corresponds articulated piece 18 on the locating rack 5, utilize articulated last centre gripping post 8 to be convenient for dismantle, and then just trade the last centre gripping post 8 of different thickness for the section bar that adapts to different thickness rectifies and handles.

The lower clamping column 9 is provided with a positioning part for positioning the profile, the positioning part comprises two positioning blocks 10 arranged on the top surface of the lower clamping column 9, the two positioning blocks 10 are oppositely arranged on the side wall for clamping the profile, the positioning part further comprises a positioning rod 11 for driving the two positioning blocks 10 to move relatively, and the positioning rod 11 is in threaded connection with the positioning frame 5. Utilize pivoted locating lever 11 to promote locating piece 10 relative movement, reach and press from both sides tight correction effect to the section bar, be provided with the magnetic block on the lateral wall that is close to locating piece 10 on locating lever 11, be equipped with the magnetic hole 14 that corresponds the magnetic block on the lateral wall of locating piece 10, convey the magnetic block in magnetic hole 14 for locating lever 11 and locating piece 10 fixed connection together. The outer wall of the positioning rod 11 is sleeved with a positioning spring 15, the section bar is clamped tightly by the two positioning springs 15, the clamping firmness of the section bar is further improved, and the stability of the section bar in the correcting process is improved.

Referring to fig. 2 and 3, rubber pads are arranged on the opposite surfaces of two opposite positioning blocks 10, and are used for reducing damage to the surface of the profile in the clamping process. The bottom of the positioning block 10 is provided with a sliding block 17, and the top wall of the lower clamping column 9 is provided with a positioning groove 16 for the sliding block 17 to move, so that the stability of the positioning block 10 in the moving process is improved.

Referring to fig. 2 and 4, regulating part 7 sets up to jack 25, utilize jack 25 to rectify the section bar of keeping flat and handle, the top of jack 25 is equipped with carries out the regulating plate 26 that the butt was rectified to the section bar, place back on locating rack 5 when the section bar, jack 25 drives regulating plate 26 and upwards removes, because the length both ends of section bar are fixed in last centre gripping post 8 and lower centre gripping post 9, and then when regulating plate 26 reciprocated, utilize regulating plate 26 to drive the section bar rebound, reach the effect of rectifying the section bar.

The adjusting plate 26 comprises an upper abutting plate 33, a middle sliding plate 34 and a lower top plate 35, the upper abutting plate 33, the middle sliding plate 34 and the lower top plate 35 are arranged in a step shape from top to bottom, upward pressure of the jack 25 is gradually dispersed by the aid of the adjusting plate 26 arranged in the step shape, so that the bottom of the sectional material is uniformly pressed and corrected in a correcting mode, and the purpose of reducing damage to the surface of the sectional material is achieved.

Referring to fig. 4 and 5, middle sliding plate 34 fixed connection that lower plate 35 and, and lower plate 35 and jack 25 bottom fixed connection, lower plate 35 all sets up to the U type with last butt joint board 33 cross section simultaneously, the last butt joint board 33 that the U type set up is used for accepting the section bar diapire, be equipped with flexible pad 27 on the roof of regulating plate 26 simultaneously, flexible pad 27 sets up on the upper surface of last butt joint board 33, utilize the setting of flexible pad 27, reduced the wearing and tearing to the section bar surface among the alignment process, reach the effect of protection section bar.

The inner wall of well slide plate 34 corresponds the outer wall setting of last butt plate 33, is equipped with inner groovy 36 on the inner wall of well slide plate 34 simultaneously, is provided with a plurality of balls 37 in the inner groovy 36, utilizes a plurality of balls 37 to be convenient for well slide plate 34 to remove in last butt plate 33's bottom, and then makes jack 25 carry out the correction to a plurality of positions in design bottom, improves the precision of rectifying. The bottom wall of the upper abutting plate 33 is provided with an arc-shaped groove 38 corresponding to the ball 37, and the movement stability of the middle sliding plate 34 is improved by the arrangement of the arc-shaped groove 38.

Referring to fig. 4 and 5, the upper pressing member 39 is provided as a horizontal bar 40, both sides of the horizontal bar 40 in the length direction are fixedly connected with the top of the upper clamping column 8, the horizontal bar 40 is provided on the top of the profile, and the bottom of the horizontal bar 40 is abutted against the top of the profile in the process that the profile is pressed upwards by the jack 25, so that the top of the profile is abutted against the bottom of the horizontal bar 40 in the process that the profile moves upwards to limit the angle of profile correction, and meanwhile, the horizontal bar 40 has the effect of improving the quality of profile correction. The leveling mechanism 2 further comprises a reaction bandage 42, the leveling frame 1 is provided with a U-shaped hole for the reaction bandage 42 to pass through, the reaction bandage 42 passes through the U-shaped hole, the reaction bandage 42 simultaneously passes through the top of the horizontal rod 40, the horizontal rod 40 has downward pressure by the reaction bandage 42, when the section bar is corrected upwards, the horizontal rod 40 presses the section bar reversely downwards, and therefore the correction effect of the section bar is improved.

Referring to fig. 6, adjusting part 4 is still including driving moving member 28 that jack 25 removed, moving member 28 is including setting up the sliding base 29 that supplies jack 25 to place on leveling frame 1, be equipped with the shifting chute 30 that supplies sliding base 29 to remove on leveling frame 1, moving member 28 is still including driving the driving motor that sliding base 29 removed, driving motor sets up in sliding base 29 bottom, be equipped with drive gear 31 in driving motor's the pivot, the bottom of leveling frame 1 is equipped with the driving rack 32 that corresponds drive gear 31, driving rack 32 is fixed to be set up in leveling frame 1 bottom. After the driving motor is started, the rotating shaft of the driving motor rotates and drives the driving gear 31 to rotate, and the driving gear 31 is meshed with the driving rack 32, so that the driving motor drives the sliding base 29 to horizontally move in the moving groove 30. Meanwhile, as the middle sliding plate 34 and the lower top plate 35 are fixedly arranged at the top of the jack 25, the middle sliding plate 34 and the lower top plate 35 move along the upper abutting plate 33 along with the jack 25, and the middle sliding plate 34 and the lower top plate 35 move at the bottom of the upper abutting plate 33.

The implementation principle of the manual section bar bending platform in the embodiment of the application is as follows: and placing two ends of the section bar in the positioning holes 6, and reinforcing and positioning the section bar by adopting positioning pieces. The positioning rods 11 are rotated to push the positioning blocks 10, so that the two opposite positioning blocks 10 fix the section bar, and meanwhile, the detachable upper clamping columns 8 are fixed. The moving member 28 is utilized to drive the jack 25 to move along the length direction of the profile, so that the jack 25 corrects the bottom of the profile, and the effect of correcting the profile is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a manual section bar platform of buckling which characterized in that: the leveling device comprises a leveling frame (1), wherein a leveling mechanism (2) for leveling a profile is arranged on the leveling frame (1), the leveling mechanism (2) comprises a positioning component (3) for positioning the profile and an adjusting component (4) for adjusting the profile;

the positioning assembly (3) comprises a plurality of positioning frames (5) fixedly arranged at the top of the leveling frame (1), and positioning holes (6) for placing the sectional materials are formed in the positioning frames (5);

the adjusting component (4) comprises an adjusting piece (7) which is arranged on the leveling frame (1) and used for correcting the jacking sectional material.

2. The manual profile bending platform according to claim 1, wherein: an upper clamping column (8) and a lower clamping column (9) for clamping the sectional material are arranged on the positioning frame (5), the upper clamping column (8) and the lower clamping column (9) are horizontally arranged, and a positioning hole (6) is formed between the upper clamping column (8) and the lower clamping column (9);

the positioning assembly (3) further comprises a positioning piece, the positioning piece comprises two positioning blocks (10) which are oppositely arranged, the two positioning blocks (10) are arranged on the top surface of the lower clamping column (9), the positioning piece further comprises a positioning rod (11) which pushes the positioning blocks (10) to move, the side wall of the positioning frame (5) is provided with a positioning rod (11) through which the positioning rod (11) penetrates, and the positioning rod (11) is in threaded connection in the positioning hole (6).

3. A manual profile bending platform according to claim 2, wherein: a magnet block (13) is arranged on one side, close to the positioning block (10), of the positioning rod (11), a magnetic hole (14) corresponding to the magnet block (13) is formed in the side wall of the positioning block (10), and a positioning spring (15) is sleeved on the outer wall of the positioning rod (11);

rubber leather pads are arranged on the side walls of the two opposite positioning blocks (10); the top of the lower clamping column (9) is provided with a positioning groove (16), and the bottoms of the two positioning blocks (10) are both provided with a sliding block (17).

4. A manual profile bending platform according to claim 2, wherein: the upper clamping column (8) is detachably connected to the positioning frame (5), a hinge block (18) is arranged on one side of the upper clamping column (8) in the length direction, a hinge groove (19) corresponding to the hinge block (18) is formed in the top of the positioning frame (5), and the upper clamping column (8) is hinged to the positioning frame (5);

be equipped with on the lateral wall of leveling frame (1) slide rail (20), be provided with a plurality of pulleys (21) in slide rail (20), T template (22) that are connected on the lateral wall of locating rack (5), be equipped with a plurality of removal holes (23) on T template (22), it is a plurality of remove hole (23) and pulley (21) center department and be connected, wear to be equipped with in removal hole (23) and remove hole (23).

5. The manual profile bending platform according to claim 1, wherein: regulating part (7) set up to jack (25), regulating part (4) are still including setting up regulating plate (26) at jack (25) top, the top of regulating plate (26) is the setting of U type, be equipped with flexible pad (27) on the roof of regulating plate (26).

6. A manual section bar bending platform according to claim 5, characterized in that: the adjusting assembly (4) further comprises a moving part (28) for driving the jack (25) to move, the moving part (28) comprises a sliding base (29) for the jack (25) to be fixedly arranged, and a moving groove (30) for placing the sliding base is formed in the leveling frame (1);

the moving piece (28) further comprises a driving motor for driving the sliding base (29) to move, the driving motor is arranged at the bottom of the sliding base (29), a driving gear (31) is arranged on the driving motor, and a driving rack (32) meshed with the driving gear (31) and connected with the bottom of the leveling frame (1) is further arranged.

7. The manual profile bending platform according to claim 6, wherein: regulating plate (26) include butt joint board (33), well sliding plate (34) and lower roof (35), go up butt joint board (33), well sliding plate (34) and lower roof (35) from top to bottom be the ladder setting, lower roof (35) and well sliding plate (34) fixed connection, lower roof (35) and jack (25) top fixed connection.

8. The manual profile bending platform according to claim 7, wherein: well slide plate (34) top is the setting of U type, be provided with inner groovy (36) on well slide plate (34) inner wall, be provided with a plurality of balls (37) in inner groovy (36), be equipped with arc recess (38) that correspond a plurality of balls (37) on last butt joint board (33) outer wall.

9. A manual profile bending platform according to claim 2, wherein: the leveling mechanism (2) further comprises an upper pressing piece (39), the upper pressing piece (39) comprises a horizontal rod (40), two ends of the horizontal rod (40) in the length direction are fixedly connected with the upper clamping column (8), and a rubber layer (41) is arranged at the bottom of the horizontal rod (40).

10. The manual profile bending platform according to claim 1, wherein: the levelling means (2) further comprises a reaction bandage (42).