CN212286035U - C-shaped steel cutting machine - Google Patents

Abstract

The utility model discloses a C-shaped steel cutting machine, which relates to the technical field of C-shaped steel processing auxiliary equipment, and comprises a base and a portal fixed on the base, wherein a cutting tool is arranged inside the portal in a lifting way, and two cutting cylinders in driving connection with the cutting tool are arranged at the top of the portal; guide blocks are fixedly arranged on the base on two sides of the cutting tool respectively, machining through holes allowing the C-shaped steel to pass through are formed in the two guide blocks, two abutting blocks are arranged on the tops of the guide blocks in a sliding mode along the horizontal direction, and the abutting blocks penetrate through the guide blocks and stretch into the machining through holes; two connecting rods are coaxially and hinged to two sides of the cutting tool, and the bottoms of the two connecting rods are hinged to the tops of the two abutting blocks respectively. The utility model discloses utilize cutting tool's lift to drive the piece of supporting, press from both sides the pterygoid lamina to C shaped steel both sides tightly or remove the restriction under the prerequisite that does not influence C shaped steel and advance, improve the cutting effect of C shaped steel, whole process need not the manpower and participates in, uses manpower sparingly greatly and has higher cutting efficiency.

Description

C-shaped steel cutting machine

Technical Field

The utility model relates to a C shaped steel processing auxiliary assembly technical field especially relates to a C shaped steel cutting machine.

Background

The C-shaped steel is a steel product with a C-shaped section, is widely used for purlines and wall beams of steel structure buildings, and can be automatically combined into building components such as light-weight roof trusses, brackets and the like. In a common C-shaped steel processing production process, after a steel belt is subjected to continuous roll forming, the steel belt is subjected to processes of punching, rolling groove and the like, and finally is subjected to sectional cutting according to requirements. Due to the fact that wing plates are vertically fixed on two sides of the C-shaped steel web, when the C-shaped steel is cut, the phenomenon that a cut is not flat or even deforms is easily caused, and damage to a cutter can be caused.

The patent publication number is CN 209850012U's chinese patent, has proposed a C shaped steel cutting device, comprising a base plate, be equipped with fixed cutting structure on the floor, fixed cutting structure is including sliding chamber A, motor A, screw rod A, slip ejector pin, rectangle cover, slot hole, dead lever, flexible motor, door-shaped frame, rectangular plate, cavity, screw thread rocker, slip mouth, ejector pin, sliding chamber B, motor B, screw rod B, sliding block, connecting plate, cutting machine, slot and connect the flitch, the slot is opened the bottom plate surface just is located under the cutting machine output, it is in to connect the flitch setting bottom plate surface.

Above-mentioned patent is through rotating the screw thread rocker, makes the clamping bar move to the centre through the screw thread at both ends, makes the clamping bar withstand C shaped steel to the realization is to the fixed of C shaped steel pterygoid lamina. In actual processing, cutting C shaped steel every time all needs the manual work to rotate the screw thread rocker, fixes it, and inefficiency and extravagant manpower still have the space of improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a C shaped steel cutting machine, the pterygoid lamina that presss from both sides tight its both sides when cutting C shaped steel improves cutting effect, and removes the limiting displacement to its both sides pterygoid lamina when C shaped steel is marchd, avoids influencing advancing of C shaped steel, and whole process need not the manpower and can go on automatically, uses manpower sparingly and C shaped steel cutting efficiency is showing and is improving.

The utility model discloses a can realize through following technical scheme: a C-shaped steel cutting machine comprises a base and a portal fixed on the upper surface of the base, wherein a cutting tool is arranged in the portal in a lifting mode, and two cutting cylinders in driving connection with the cutting tool are arranged at the top of the portal; guide blocks are fixedly arranged on the base and on two sides of the cutting tool respectively, machining through holes allowing C-shaped steel to pass through are formed in the two guide blocks, two abutting blocks are arranged on the tops of the guide blocks in a sliding mode along the horizontal direction, and the abutting blocks penetrate through the guide blocks and extend into the machining through holes; two connecting rods which are arranged in a crossed manner are coaxially and hinged to two sides of the cutting tool, and the bottoms of the two connecting rods are respectively hinged to the tops of the two abutting blocks.

By adopting the technical scheme, the C-shaped steel enters the interior of the C-shaped steel cutting machine along the processing through hole and stops at the cutting position, the cutting cylinder drives the cutting tool to move downwards, the connecting rod is driven to be hinged with the cutting tool to turn over downwards when the cutting tool moves downwards, the two abutting blocks are driven by the connecting rod to move reversely at the top of the guide block and move away from each other, the wing plate of the C-shaped steel abuts against the inner wall of the guide block, at the moment, the cutting tool continues to move downwards, and the C-shaped steel is cut under the clamping action of the abutting blocks; after the cutting is finished, the cutting cylinder drives the cutting tool to move upwards, the connecting rod drives the two abutting blocks to move in opposite directions, the limiting effect of the connecting rod on the C-shaped steel is removed, and the C-shaped steel smoothly moves forwards. The utility model discloses a cutting tool goes up and down to drive the connecting rod swing, and then realizes keeping away from each other or being close to of tight piece, realizes along with the cutting tool motion, supports tight piece and to the automatic limit of C shaped steel pterygoid lamina and remove, effectively improves the cutting effect of C shaped steel to reduce the use of this in-process manpower, reach and use manpower sparingly and show the characteristics of raising the efficiency.

Further setting the following steps: the cutting tool up end has set firmly the fixed strip, the fixed strip top with two the piston rod fixed connection of cutting cylinder, two vertical guide slots have been seted up on the portal, the fixed strip both ends stretch into two respectively in the guide slot and rather than the activity joint.

Through adopting above-mentioned technical scheme, ensure cutting tool's direction of motion and gesture, make it all the time be in the same vertical plane that the direction was seted up to the perpendicular to processing through-hole and go up and down, avoid it to take place to rock or sway when receiving the effect of cutting cylinder, influence the cutting quality of C shaped steel.

Further setting the following steps: the guide way has been seted up perpendicularly at the guide block top, the fixed strip both sides have all set firmly the fixed block, the fixed block stretches into rather than being located the cutting tool homonymy inside the guide way and rather than the activity joint, the guide block bottom has set firmly the telescopic link perpendicularly, the telescopic link bottom set firmly slide set up in the inside sliding block of guide way, telescopic link week side cover be equipped with both ends respectively with the fixed block with sliding block fixed connection's spring, two connecting rod coaxial hinge connect in the sliding block bottom.

Through adopting above-mentioned technical scheme, after two support tight piece support C shaped steel both sides pterygoid lamina tightly on the guide block inner wall respectively, support tight piece and receive blockking of guide block can not continue the motion, the spring plays the elastic buffer effect this moment, cutting tool continues compression spring when downwards moving carries out the cutting to C shaped steel, the sliding block is static and be in balanced position under the holding power of connecting rod and the elastic force effect of spring, can not move the connecting rod and continue the upset, play the guard action to the connecting rod, avoid it to be close to cutting tool one end and continue downwards the upset, produce the destruction effect to the connecting rod, influence its life.

Further setting the following steps: the guide block upper end face is provided with a sliding groove which is perpendicular to the processing through hole opening direction and is communicated with the processing through hole at the bottom, and the two abutting blocks are movably clamped in the sliding groove and are movably connected with the bottom of the sliding groove in a penetrating mode and extend into the processing through hole.

Through adopting above-mentioned technical scheme, guarantee that two support tight piece and set up the synchronous reverse motion of direction along the perpendicular to processing through-hole all the time, avoid it to take place to deflect or rock under the drive of connecting rod to can't support the both sides pterygoid lamina of C shaped steel in the guide block inner wall tightly simultaneously, the tight effect of weakening clamp finally influences the cutting of C shaped steel.

Further setting the following steps: the guide block is internally provided with adjusting blocks in the two sides of the processing through hole are both slidably arranged, the adjusting blocks penetrate through the guide block and stretch into the processing through hole, two adjusting screw rods are arranged on the guide block in a penetrating manner and are connected with the guide block in a threaded manner, the end parts of the adjusting screw rods are respectively connected with the adjusting blocks in a rotating manner.

Through adopting above-mentioned technical scheme, support the both sides pterygoid lamina of C shaped steel tightly in the regulating block and support tightly between the piece, utilize adjusting screw to adjust the regulating block and stretch into the inside distance of processing through-hole to adapt to the cutting of different width size C shaped steel, make the device have good processing adaptability.

Further setting the following steps: the adjusting block and the abutting block are both fixedly provided with glue layers at the side close to each other.

By adopting the technical scheme, the glue layer plays a role of elastic buffering between the adjusting block and the abutting block, and the damage to the surface of the wing plate clamped and fixed between the abutting block and the adjusting block due to overlarge pressure between the abutting block and the adjusting block is avoided; simultaneously, the glue film can increase the steel band and support the frictional force between the tight piece, is fixed in between tight piece and the regulating block with C shaped steel pterygoid lamina better, avoids it to take place to slide in cutting process, influences the cutting effect.

Further setting the following steps: the fixed strip rotates in one side and is provided with the pivot, the gear has been set firmly at the pivot both ends, vertically on the portal set firmly two respectively with two gear engagement's rack.

Through adopting above-mentioned technical scheme, because the accurate meshing of gear and rack, when cutting tool goes up and down, its both ends go up and down and lie in same horizontal plane all the time in step, are favorable to improving the section roughness of C shaped steel, improve cutting effect.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the utility model discloses utilize cutting tool's lift to drive the piece of supporting, press from both sides the pterygoid lamina to C shaped steel both sides tightly or remove the restriction under the prerequisite that does not influence C shaped steel and advance, improve the cutting effect of C shaped steel, whole process need not the manpower and participates in, uses manpower sparingly greatly and has higher cutting efficiency.

(2) The adjustable sliding block of adjusting screw stretches into the inside distance of processing through-hole, makes it and supports tight piece and mutually support, adapts to the cutting demand of the C shaped steel of different dimensions for whole device has good adaptability.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a rear view of the present invention.

Reference numerals: 1. a base; 2. a gantry; 3. cutting the air cylinder; 4. a fixing strip; 5. cutting a cutter; 6. a guide groove; 7. A guide block; 8. processing a through hole; 9. a guide groove; 10. a fixed block; 11. a sliding block; 12. a telescopic rod; 13. a spring; 14. a connecting rod; 15. a sliding groove; 16. a propping block; 17. an adjusting block; 18. adjusting the screw rod; 19. a glue layer; 20. a rotating shaft; 21. a gear; 22. a rack.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 and 2, for the utility model discloses a C shaped steel cutting machine, including base 1, the vertical fixation has portal 2 on the base 1, and portal 2 up end has set firmly two cutting cylinders 3 along its length direction interval, and inside two cutting cylinders 3's piston rod all run through portal 2 up end and stretched into portal 2, the bottom fixedly connected with fixed strip 4 of two cutting cylinders 3 piston rods, fixed strip 4 is the level setting and its lower terminal surface has cutting tool 5 through the bolt fastening. Two vertical guide grooves 6 are formed in the door frame 2, and two ends of the fixing strip 4 respectively extend into the two guide grooves 6 and are movably clamped with the fixing strip through dovetail structures. The cutting cylinder 3 drives the cutting tool 5 to lift in the portal 2 and cut the C-shaped steel, and in the lifting process, the two guide grooves 6 on the portal 2 effectively limit the moving direction and the posture of the cutting tool 5, so that the cutting tool can lift in the same vertical plane all the time, and the cutting effect of the C-shaped steel is improved.

Referring to fig. 1, all having set firmly guide block 7 in the both sides of cutting tool 5 on base 1, guide block 7 is type structure of protruding, and its both sides link to each other with portal 2 is fixed, and the processing through-hole 8 that allows C shaped steel to pass through is all seted up to two guide block 7 bottoms, and two processing through-holes 8 all are seted up along same axis direction and this axial direction is perpendicular with the length direction of portal 2. The C-shaped steel penetrates through the machining through hole 8 and moves forwards along the opening direction of the machining through hole, the C-shaped steel stops at the designated cutting position, and the cutting cylinder 3 drives the cutting tool 5 to move downwards to cut the C-shaped steel.

Referring to fig. 1, a guide groove 9 is formed in the top of the guide block 7, fixing blocks 10 are fixed to two sides of the cutting tool 5, and the two fixing blocks 10 extend into the guide groove 9 located on the same side of the two fixing blocks respectively and are movably clamped with the two fixing blocks through dovetail structures. Inside the guide way 9 slides below the fixed block 10 and is provided with a sliding block 11, and the sliding block 11 is movably clamped with the guide way 9 through a dovetail structure. Be provided with the telescopic link 12 that is vertical setting between sliding block 11 and the fixed block 10, 12 tops of telescopic link and the 10 bottom surfaces fixed connection of fixed block, its bottom and 11 kicking blocks fixed connection of sliding block, 12 week side covers of telescopic link are equipped with spring 13, both ends respectively with the 10 bottom surfaces of fixed block and 11 top fixed connection of sliding block about spring 13.

Referring to fig. 1 and 2, the bottom end of the sliding block 11 is hinged with two connecting rods 14, and the two connecting rods 14 are coaxially hinged with the bottom end of the sliding block 11 and are arranged in a cross manner. Sliding tray 15 has been seted up to guide block 7 up end, and sliding tray 15 sets up direction setting and its bottom intercommunication processing through-hole 8 along perpendicular to processing through-hole 8, and sliding tray 15 is inside to be slided and is provided with two and supports tight piece 16, supports tight piece 16 and passes through forked tail structure slip joint inside sliding tray 15, avoids taking place to deflect in the motion process, influences its tight effect of supporting to C shaped steel both sides pterygoid lamina. The bottom of the abutting block 16 penetrates through the sliding groove 15 and extends into the machining through hole 8, and the bottoms of the two connecting rods 14 are respectively hinged with the top ends of the two abutting blocks 16. When the cutting cylinder 3 drives the cutting tool 5 to move downwards to cut the C-shaped steel, the fixed block 10 moves downwards synchronously with the fixed block, the sliding block 11 also moves downwards along with the sliding block under the elastic action of the spring 13, the tops of the two connecting rods 14 move downwards, the bottoms of the two connecting rods move reversely along the opening direction of the sliding groove 15 under the limiting action of the abutting block 16, so that the two abutting blocks 16 are driven to move reversely, wing plates on two sides of the C-shaped steel are abutted against the inner wall of the machining through hole 8 respectively, the C-shaped steel is positioned, and the cutting quality is effectively improved. Spring 13 plays the cushioning effect when cutting tool 5 downstream, after two support tight piece 16 supported C shaped steel both sides pterygoid lamina tightly on guide block 7 inner wall respectively, support tight piece 16 and receive the stopping of guide block 7 can not continue the motion, and cutting tool 5 drives fixed block 10 to compress spring 13 when continuing downstream cutting C shaped steel, sliding block 11 is in balanced position under the holding power of connecting rod 14 and the elastic force effect of spring 13, can not drive connecting rod 14 top and continue the motion, avoid taking place stress failure because of connecting rod 14 continues the motion, effectively protect connecting rod 14, prolong its life.

Referring to fig. 1 and 2, inside and the equal horizontal slip in processing through-hole 8 both sides of guide block 7 are provided with regulating block 17, and inside regulating block 17 ran through guide block 7 and stretched into processing through-hole 8, inside regulating screw 18 that is the level setting all worn to be equipped with in guide block 7 both sides, threaded connection between regulating screw 18 and the guide block 7, but its tip and regulating block 17 lateral wall activity joint and regulating block 17 and regulating screw 18 between free rotation. The wing plate of C shaped steel is supported tightly in regulating block 17 and support tightly between the piece 16, through rotatory adjusting screw 18, changes regulating block 17 and stretches into the inside distance of processing through-hole 8 to the adaptation device is to the cutting demand of different width specification C shaped steel, improves the processing adaptability of device. Be close to on the regulating block 17 and support the fixed glue film 19 that is provided with in 16 one side of tight piece, glue film 19 plays elastic buffer's effect, avoid damaging the pterygoid lamina surface of C shaped steel because of supporting between the tight piece 16 regulating block 17 pressure is too big, 19 increase the frictional force between tight piece 16 and the C shaped steel pterygoid lamina of glue film simultaneously, fix C shaped steel pterygoid lamina between tight piece 16 and regulating block 17 of supporting better, avoid taking place to rock in cutting process, influence the cutting effect.

Referring to fig. 1 and 3, a rotating shaft 20 is rotatably arranged on one side of the fixing strip 4, the rotating shaft 20 is horizontally arranged, two ends of the rotating shaft 20 are fixed on the fixing strip 4 through bearing seats, gears 21 are fixed at two ends of the rotating shaft 20, and two racks 22 respectively meshed with the two gears 21 are vertically and fixedly arranged on the gantry 2. The rack 22 is precisely meshed with the gear 21, and two ends of the cutting tool 5 are guided to be always positioned in the same horizontal plane in the lifting motion, so that the section flatness during the cutting of the C-shaped steel is improved.

The utility model discloses a theory of operation and beneficial effect do: the C-shaped steel advances forward along the opening direction of the processing through hole 8 and extends into the guide block 7, the cutting cylinder 3 drives the cutting tool 5 to move downwards, the fixing block 10 moves downwards along with the cutting tool 5, meanwhile, the connecting rod 14 drives the abutting block 16 to move towards two sides, wing plates on two sides of the C-shaped steel are abutted between the abutting block 16 and the adjusting block 17, the cutting tool 5 compresses the spring 13 and continues to move downwards to cut the C-shaped steel, therefore, the whole cutting process is completed, when the device continues to advance after the cutting is completed, the abutting block 16 removes the limiting effect of the abutting block on the wing plates of the C-shaped steel, and the advancing of the C-shaped steel is not influenced. Utilize adjusting screw 18 to adjust regulating block 17 and stretch into the inside distance of processing through-hole 8 to the cutting demand of the C shaped steel of different width specifications adapts to. The restriction of the C-shaped steel cutting machine on the wing plates on the two sides of the C-shaped steel is automatically started or released along with the cutting process, so that the labor is greatly saved, and the processing efficiency is good compared with that of manual control.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. A C-shaped steel cutting machine is characterized in that: the cutting machine comprises a base (1) and a portal (2) fixedly arranged on the upper surface of the base (1), wherein a cutting tool (5) is arranged in the portal (2) in a lifting mode, and two cutting cylinders (3) in driving connection with the cutting tool (5) are arranged at the top of the portal (2); guide blocks (7) are fixedly arranged on the base (1) on two sides of the cutting tool (5), machining through holes (8) allowing C-shaped steel to pass through are formed in the two guide blocks (7), two abutting blocks (16) are arranged on the tops of the guide blocks (7) in a sliding mode, and the abutting blocks (16) penetrate through the guide blocks (7) and extend into the machining through holes (8); the cutting tool (5) is coaxially and hingedly connected with two connecting rods (14) which are arranged in a cross mode, and the bottoms of the two connecting rods (14) are respectively hinged with the tops of the two abutting blocks (16).

2. The C-type steel cutting machine according to claim 1, characterized in that: cutting tool (5) up end has set firmly fixed strip (4), fixed strip (4) top and two the piston rod fixed connection of cutting cylinder (3), two vertical guide slots (6) have been seted up on portal (2), fixed strip (4) both ends stretch into two respectively in guide slot (6) and rather than the activity joint.

3. The C-type steel cutting machine according to claim 2, characterized in that: guide block (7) top has seted up guide way (9) perpendicularly, fixed strip (4) both sides have all set firmly fixed block (10), fixed block (10) stretch into rather than being located cutting tool (5) homonymy guide way (9) are inside and rather than the activity joint, guide block (7) bottom has set firmly telescopic link (12) perpendicularly, telescopic link (12) bottom set firmly slide set up in guide way (9) inside sliding block (11), telescopic link (12) week side cover be equipped with both ends respectively with fixed block (10) with sliding block (11) fixed connection's spring (13), two connecting rod (14) coaxial hinge connect in sliding block (11) bottom.

4. The C-type steel cutting machine according to claim 3, characterized in that: the upper end face of the guide block (7) is provided with a sliding groove (15) which is perpendicular to the opening direction of the processing through hole (8) and is communicated with the bottom of the processing through hole (8), and the two abutting blocks (16) are movably clamped in the sliding groove (15) and are movably clamped at the bottoms of the sliding grooves (15) to penetrate through the sliding groove (15) and extend into the processing through hole (8).

5. The C-type steel cutting machine according to claim 1, characterized in that: guide block (7) inside in processing through-hole (8) both sides all slide and are provided with regulating block (17), regulating block (17) run through guide block (7) and stretch into inside processing through-hole (8), wear to be equipped with two adjusting screw (18), two on guide block (7) adjusting screw (18) all with guide block (7) threaded connection and two the tip of adjusting screw (18) is respectively with two regulating block (17) rotates and connects.

6. The C-type steel cutting machine according to claim 5, characterized in that: and glue layers (19) are fixedly arranged on the side, close to each other, of the adjusting block (17) and the abutting block (16).

7. The C-type steel cutting machine according to claim 2, characterized in that: one side of the fixing strip (4) is rotatably provided with a rotating shaft (20), gears (21) are fixedly arranged at two ends of the rotating shaft (20), and two racks (22) which are respectively meshed with the gears (21) are vertically and fixedly arranged on the portal frame (2).

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