CN219703715U - Clamping device for metal rod cutting - Google Patents

Abstract

The utility model discloses a clamping device for cutting a metal rod, which relates to the technical field of cutting equipment and comprises a bottom plate, a U-shaped frame plate, a pair of support plates, a first air cylinder, a moving plate, a cutting assembly, a conveying mechanism and a push clamping structure, wherein the U-shaped frame plate is reversely buckled on the bottom plate, the first air cylinder is fixedly arranged at the central position of the lower bottom surface of the U-shaped frame plate, two ends of the moving plate are vertically and slidably connected with the inner side wall of the U-shaped frame plate through sliding pieces, and the central position of the upper surface of the moving plate is fixedly connected with the telescopic end of the first air cylinder; the pair of support plates are vertically arranged on two sides of the center of the upper surface of the bottom plate, and the height of the upper edge of each support plate is the same as the height of the lower edge of the through hole; according to the utility model, when the single cylinder drives the moving plate to move, the extruding and pushing clamping structure is matched with the supporting plate to clamp the metal rod body, so that the clamping is stable and firm, the cutting is stable, and the production quality of the metal rod is improved.

Description

Clamping device for metal rod cutting

Technical Field

The utility model relates to the technical field of cutting equipment, in particular to a clamping device for cutting a metal rod.

Background

On outdoor metal protective doors, a plurality of metal bars with equal length are used as the barrier, and the metal bars are used as main components of the protective door, so that the demand is relatively large, and the production efficiency and the production quality are relatively high.

The existing cutting equipment conveys longer metal bars through a conveying mechanism, drives clamping plates to conduct lateral surfaces of the metal bars through a plurality of cylinders, and then cuts off the sung metal bars by using a cutting knife. The above-mentioned multiple cylinder drive clamping mode has some drawbacks: the long-time work can appear that the flexible length of individual cylinder appears the deviation to cause the condition that the centre gripping is infirm, the problem that the metal stick trembles during the cutting, and then cause the cutting uneven, seriously can damage to cutting knife blade.

Disclosure of Invention

According to the clamping device for cutting the metal rod, when the single air cylinder drives the moving plate to move, the extruding and pushing clamping structure is matched with the supporting plate to clamp the metal rod body, so that the clamping is stable and firm, the cutting is stable, and the cutting precision and the production quality of the metal rod are improved.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the clamping device for cutting the metal rod comprises a bottom plate, a U-shaped frame plate, a pair of support plates, a first air cylinder, a moving plate, a cutting assembly, a conveying mechanism and a squeezing and pushing clamping structure, wherein the U-shaped frame plate is reversely buckled on the bottom plate, the first air cylinder is fixedly arranged at the central position of the lower bottom surface of the U-shaped frame plate, two ends of the moving plate are vertically and slidably connected with the inner side wall of the U-shaped frame plate through sliding pieces, and the central position of the upper surface of the moving plate is fixedly connected with the telescopic end of the first air cylinder; the pair of support plates are vertically arranged on two sides of the center of the upper surface of the bottom plate, the height of the upper edge of each support plate is the same as that of the lower edge of the through hole, and the cutting assembly is fixedly arranged at the center of the bottom plate and can cut the metal rod body; the extruding and pushing clamping structure is arranged on the moving plate, and the extruding and pushing clamping structure moves downwards to be in force contact with the metal rod body so as to clamp the metal rod; the conveying mechanism is arranged on the outer side wall of the U-shaped frame plate, a through hole is formed in the U-shaped frame plate, corresponding to the feeding end of the conveying mechanism, and the conveying mechanism can convey the long metal rod body through the through hole.

Preferably, the extruding and clamping structure comprises a limiting column, an extruding plate, a contact plate, a connecting part, an extruding and clamping part, wherein limiting holes are formed in two sides of the upper center of the moving plate, the limiting column vertically penetrates through the limiting holes in a movable mode, the upper end of the limiting column is fixedly connected with the extruding and clamping plate, the lower end of the limiting column is fixedly connected with the contact plate, connecting shafts are arranged on the front end face and the rear end face of the moving plate and correspond to the positions of the limiting column, the connecting shafts are fixedly connected with the moving plate, the connecting part is rotationally connected with the connecting shafts, the upper end of the connecting part is fixedly connected with the extruding and clamping part, the lower end of the connecting part is fixedly connected with the clamping part, the extruding and clamping part around the moving plate is inclined inwards, the side wall can be abutted against the edge of the extruding and clamping part can be rotated upwards to clamp the metal rod body by the extruding and clamping plate relative to the moving plate.

Preferably, an extension spring is arranged at the upper end of the pushing part at the front end and the rear end of the moving plate.

Preferably, the clamping part is arc-shaped and bent towards one side of the metal rod, and rubber pads are respectively arranged on the inner side of the clamping part and the lower bottom surface of the contact plate.

Preferably, the cutting assembly comprises a second cylinder, a supporting plate and a cutting machine, wherein the second cylinder is fixedly arranged at the central position of the upper surface of the bottom plate, second sliding blocks are arranged at the two ends of the supporting plate, second sliding grooves are vertically formed in the inner side walls of a pair of supporting plates, the second sliding blocks are in sliding connection with the second sliding grooves, the central position of the lower bottom surface of the supporting plate is fixedly connected with the telescopic ends of the second cylinder, and the cutting machine is fixedly arranged on the supporting plate.

Preferably, the sliding piece comprises a first sliding block, the first sliding block is fixedly arranged at two ends of the moving plate, a first sliding groove is vertically formed in the inner side wall of the U-shaped frame plate, and the moving plate is in sliding connection with the first sliding groove through the first sliding block.

Preferably, the extruding part, the connecting part and the clamping part are integrally formed.

The utility model provides a clamping device for cutting a metal rod, which has the following beneficial effects:

1. according to the utility model, when the single cylinder drives the moving plate to move, the extruding and pushing clamping structure is matched with the supporting plate to clamp the metal rod body, so that the clamping is stable and firm, the cutting is stable, and the cutting precision and the production quality of the metal rod are improved.

2. According to the utility model, the movable plate and the extruding and clamping structure on the movable plate can stably move through the vertical sliding of the first sliding block and the first sliding groove, and meanwhile, the cutting machine vertically slides through the second sliding block and the second sliding groove, so that the stability of the cutting machine is improved.

Drawings

Fig. 1 is a front view of a clamping device for cutting a metal bar according to the present utility model.

Fig. 2 is a left side view of the push clamp structure of fig. 1 in accordance with the present utility model.

In the figure: 1. a U-shaped frame plate; 2. a bottom plate; 3. a support plate; 4. a second cylinder; 5. a supporting plate; 6. a second slider; 7. a conveying mechanism; 8. a cutting machine; 9. a second chute; 10. a metal rod body; 11. a through port; 12. a first chute; 13. a first slider; 14. a moving plate; 15. a pushing and clamping structure; 16. a first cylinder; 17. a limiting hole; 18. a pushing part; 19. a clamping part; 20. a connection part; 21. a limit column; 22. a contact plate; 23. a push plate; 24. a rubber pad; 25. a connecting shaft; 26. and (5) stretching the spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-2, a clamping device for cutting metal bars comprises a bottom plate 2, a U-shaped frame plate 1, a pair of support plates 3, a first air cylinder 16, a moving plate 14, a cutting assembly, a conveying mechanism 7 and a squeezing and pushing clamping structure 15, wherein the U-shaped frame plate 1 is reversely buckled on the bottom plate 2, the first air cylinder 16 is fixedly arranged at the central position of the lower bottom surface of the U-shaped frame plate 1, two ends of the moving plate 14 are vertically and slidably connected with the inner side wall of the U-shaped frame plate 1 through sliding pieces, and the central position of the upper surface of the moving plate 14 is fixedly connected with the telescopic end of the first air cylinder 16; the pair of support plates 3 are vertically arranged on two sides of the center of the upper surface of the bottom plate 2, the height of the upper edge of each support plate 3 is the same as the height of the lower edge of the corresponding through hole 11, and the cutting assembly is fixedly arranged at the center of the bottom plate 2 and can cut the metal rod body 10; the extruding and pushing clamping structure 15 is arranged on the moving plate 14, and the extruding and pushing clamping structure 15 moves downwards to be in force contact with the metal rod body 10 so as to clamp the metal rod; the conveying mechanism 7 is arranged on the outer side wall of the U-shaped frame plate 1, a through hole 11 is formed in the U-shaped frame plate 1 corresponding to the feeding end of the conveying mechanism 7, and the conveying mechanism 7 can convey the long metal rod body 10 through the through hole 11; the extruding and clamping structure 15 comprises a limiting column 21, an extruding and pushing plate 23, a contact plate 22, a connecting part 20, an extruding and pushing part 18 and a clamping part 19, wherein limiting holes 17 are formed in two sides of the upper center of the moving plate, the limiting column 21 vertically and movably penetrates through the limiting holes 17, the upper end of the limiting column 21 is fixedly connected with the extruding and pushing plate 23, the lower end of the limiting column 21 is fixedly connected with the contact plate 22, connecting shafts 25 are arranged on the front end face and the rear end face of the moving plate 14 and correspond to the position of the limiting column 21, the connecting shafts 25 are fixedly connected with the moving plate 14, the connecting part 20 is rotationally connected with the connecting shafts 25, the upper end of the connecting part 20 is fixedly connected with the extruding and pushing part 18, the lower end of the connecting part 20 is fixedly connected with the clamping part 19, the extruding and pushing parts 18 in front and rear of the moving plate 14 incline inwards, the side wall of the connecting plate can be abutted against the edge of the extruding and pushing plate 23, and the extruding and pushing plate 23 moves upwards relative to the moving plate 14 to enable the connecting and clamping part 19 to rotate to clamp the metal rod body 10; the upper ends of the push-push parts 18 at the front and rear ends of the moving plate 14 are provided with extension springs 26; the shape of the clamping part 19 is an arc shape bent to one side of the metal rod, and rubber pads 24 are respectively arranged on the inner side of the clamping part 19 and the lower bottom surface of the contact plate 22; the cutting assembly comprises a second air cylinder 4, a supporting plate 5 and a cutting machine 8, wherein the second air cylinder 4 is fixedly arranged at the central position of the upper surface of the bottom plate 2, second sliding blocks 6 are arranged at two ends of the supporting plate 5, second sliding grooves 9 are vertically formed in the inner side walls of a pair of supporting plates 3, the second sliding blocks 6 are in sliding connection with the second sliding grooves 9, the central position of the lower bottom surface of the supporting plate 5 is fixedly connected with the telescopic end of the second air cylinder 4, and the cutting machine 8 is fixedly arranged on the supporting plate 5; the sliding piece comprises a first sliding block 13, the first sliding block 13 is fixedly arranged at two ends of the moving plate 14, a first sliding groove 12 is vertically formed in the inner side wall of the U-shaped frame plate 1, and the moving plate 14 is in sliding connection with the first sliding groove 12 through the first sliding block 13; the push part 18, the connecting part 20 and the clamping part 19 are integrally formed.

The detailed connection means are known in the art, and the following mainly introduces the working principle and process, specifically as follows:

as can be seen from fig. 1-2 of the drawings of the specification, when the utility model is used, the conveying mechanism 7 conveys long metal bars into the through hole 11 of the U-shaped frame plate 1, and controls the metal bar body 10 to stop conveying and wait for cutting according to the conveying time or by adopting an external conveyor, wherein the conveying mechanism 7 adopts the existing metal bar conveying equipment; since the upper edges of the support plates 3 on the bottom plate 2 are the same as the lower edges of the through holes 11, a pair of support plates 3 simultaneously give a certain support to the metal rod body 10, and the upper edges of the support plates 3 can be provided with grooves so as to increase the contact area with the side surfaces of the metal rod; at this time, the first air cylinder 16 is started, the telescopic end of the first air cylinder 16 stretches to drive the movable plate 14 to move downwards, the two ends of the movable plate 14 are vertically connected with the two sides of the U-shaped frame plate 1 in a sliding manner through the sliding parts, so that the movable plate 14 moves downwards stably, the extruding and clamping structure 15 is arranged on the movable plate 14, the extruding and clamping structure 15 moves downwards to be in force contact with the metal rod body 10 so as to clamp the metal rod, and meanwhile, the metal rod body 10 is supported by the pair of support plates 3; at this time, the metal rod is cut through the work of the cutting assembly, and the work is completed. Compared with the prior mode that a plurality of air cylinders clamp the metal rod body 10 at the same time, when the single air cylinder drives the moving plate 14 to move, the extruding and pushing clamping structure 15 is matched with the supporting plate 3 to clamp the metal rod body 10, so that the clamping is stable and firm, the cutting is stable during cutting, and the cutting precision and the production quality of the metal rod are improved.

In one possible implementation of the extruding and clamping structure 15, the extruding and clamping structure 15 includes a limiting post 21, an extruding and clamping plate 23, a contact plate 22, a connecting part 20, an extruding and clamping part 18 and a clamping part 19, wherein the limiting post 21 penetrates through limiting holes 17 on two sides of the center of the moving plate 14, the lower end is provided with a contact plate 22 which contacts with the metal rod body 10 and receives a reaction force, the upper end is provided with an extruding and clamping plate 23 for pushing and clamping the extruding and clamping part 18, the connecting plate is rotationally connected with the front end and the rear end of the moving plate 14 through a connecting shaft 25, the extruding and clamping part 18 which is obliquely arranged inwards is arranged at the upper end of the connecting part 20 and can be abutted with the extruding and clamping plate 23, and the clamping part 19 for clamping the metal rod is arranged at the lower end of the connecting part 20.

The push clamping structure 15 specifically works: when the telescopic end of the first cylinder 16 pushes the moving plate 14 downwards, the contact plate 22 at the lower end of the limiting column 21 is in contact with the metal plate body, and as the telescopic end of the first cylinder 16 continues to stretch, the moving plate 14 descends, when the contact plate 22 receives the reaction force of the metal rod, the contact plate 22, the limiting column 21 and the extruding plate 23 move upwards relative to the moving plate 14, the extruding plate 23 is in contact with the extruding part 18, so that the extruding parts 18 at the front side and the rear side of the moving plate 14 can be opened, and as the connecting part 20 is rotationally connected with the moving plate 14, the extruding part 18, the connecting part 20 and the clamping part 19 form a lever, and when the extruding part 18 is opened, the clamping part 19 is closed, and the purpose of clamping the metal plate by the clamping part 19 and the contact plate 22 can be achieved; of course, from the mechanical point of view analysis, the larger the downward force, the tighter the clamping, but the condition of avoiding deformation of the metal rod needs to be satisfied in consideration of the magnitude of the applied force, and in addition, the supporting plate 3 supports the metal rod, so that the subsequent clamping is tighter by increasing the action of the contact plate 22 under the condition that the metal rod is not deformed in the process. When the telescopic end of the first cylinder 16 is contracted, the clamping part 19 does not clamp the metal rod any more, and material taking can be performed.

The clamping portion 19 is curved toward the metal rod, and rubber pads 24 are respectively disposed on the inner side of the clamping portion 19 and the lower bottom surface of the contact plate 22, so that friction force between the clamping portion and the metal rod body 10 is increased, and clamping is more stable.

The upper ends of the push-push parts 18 at the front and rear sides of the moving plate 14 are provided with extension springs 26, when the telescopic ends of the first air cylinders 16 are contracted after cutting is completed, the clamping parts 19 are not used for clamping metal rods, and after material is taken, the contact plates 22, the limit posts 21 and the push-push plates 23 are not used for receiving upward force, and the push-push parts 18, the connecting parts 20 and the clamping parts 19 are reset by the tensile force of the extension springs 26.

The cutting assembly comprises a second air cylinder 4, a supporting plate 5 and a cutting machine 8, the telescopic end of the second air cylinder 4 moves upwards to drive the supporting plate 5 and the cutting machine 8 on the supporting plate 5 to move upwards, cutting of metal bars is achieved, two ends of the supporting plate 5 are vertically and slidably connected with a second sliding groove 9 on the side wall of the supporting plate 3 through a second sliding block 6, and stability of the supporting plate 5 and the cutting machine 8 on the supporting plate 5 during moving and cutting is guaranteed.

In addition, the sliding piece comprises a first sliding block 13, the first sliding blocks 13 at two ends of the moving plate 14 are vertically and slidably connected with the first sliding grooves 12 at two sides of the U-shaped frame plate 1, and stability of the moving plate 14 and a squeezing and pushing clamping structure 15 on the moving plate 14 is guaranteed.

In the present utility model, the pushing portion 18, the connecting portion 20 and the clamping portion 19 of the pushing and clamping structure 15 can be integrally formed, so as to increase the firmness thereof.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The clamping device for cutting the metal rod is characterized by comprising a bottom plate (2), a U-shaped frame plate (1), a pair of support plates (3), a first air cylinder (16), a moving plate (14), a cutting assembly, a conveying mechanism (7) and a push clamping structure (15), wherein the U-shaped frame plate (1) is reversely buckled on the bottom plate (2), the first air cylinder (16) is fixedly arranged at the central position of the lower bottom surface of the U-shaped frame plate (1), two ends of the moving plate (14) are vertically connected with the inner side wall of the U-shaped frame plate (1) in a sliding mode through sliding parts, and the central position of the upper surface of the moving plate (14) is fixedly connected with the telescopic end of the first air cylinder (16); the pair of support plates (3) are vertically arranged on two sides of the center of the upper surface of the bottom plate (2), the height of the upper edge of each support plate (3) is the same as the height of the lower edge of each through hole (11), and the cutting assembly is fixedly arranged at the center of the bottom plate (2) and can cut the metal rod body (10); the extruding and pushing clamping structure (15) is arranged on the moving plate (14), and the extruding and pushing clamping structure (15) moves downwards to be in forceful contact with the metal rod body (10) so as to clamp the metal rod; the conveying mechanism (7) is arranged on the outer side wall of the U-shaped frame plate (1), a through hole (11) is formed in the U-shaped frame plate (1) corresponding to the feeding end of the conveying mechanism (7), and the conveying mechanism (7) can convey the long metal rod body (10) through the through hole (11).

2. The clamping device for metal rod cutting according to claim 1, wherein the extruding and clamping structure (15) comprises a limiting column (21), an extruding and clamping plate (23), a contact plate (22), a connecting part (20), extruding and clamping parts (18) and a clamping part (19), limiting holes (17) are formed in the two sides of the upper center of the moving plate (14), the limiting column (21) vertically penetrates through the limiting holes (17) in a movable mode, the upper end of the limiting column (21) is fixedly connected with the extruding and clamping plate (23), the lower end of the limiting column is fixedly connected with the contact plate (22), a connecting shaft (25) is arranged at the front end face and the rear end face of the moving plate (14) and corresponds to the position of the limiting column (21), the connecting shaft (25) is fixedly connected with the moving plate (14), the connecting part (20) is in rotary connection with the connecting shaft (25), the upper end of the connecting part (20) is fixedly connected with the extruding and clamping part (19), the extruding and the inner end of the extruding part (18) in the front and the rear of the moving plate (14) is capable of pushing and the extruding and clamping plate (14) to roll towards the side wall (23) to the opposite to the side wall (10).

3. Clamping device for cutting metal bars according to claim 2, characterized in that the push-push parts (18) at the front and rear ends of the moving plate (14) are provided with tension springs (26) at their upper ends.

4. Clamping device for cutting metal bars according to claim 2, characterized in that the clamping part (19) is arc-shaped curved to one side of the metal bar, and that the inner side of the clamping part (19) and the lower bottom surface of the contact plate (22) are provided with rubber pads (24) respectively.

5. The clamping device for cutting metal bars according to claim 1, wherein the cutting assembly comprises a second air cylinder (4), a supporting plate (5) and a cutting machine (8), the second air cylinder (4) is fixedly arranged at the central position of the upper surface of the bottom plate (2), second sliding blocks (6) are arranged at two ends of the supporting plate (5), second sliding grooves (9) are vertically formed in the inner side walls of the pair of supporting plates (3), the second sliding blocks (6) are in sliding connection with the second sliding grooves (9), the central position of the lower bottom surface of the supporting plate (5) is fixedly connected with the telescopic end of the second air cylinder (4), and the cutting machine (8) is fixedly arranged on the supporting plate (5).

6. Clamping device for cutting metal bars according to claim 1, characterized in that the sliding piece comprises a first sliding block (13), the first sliding block (13) is fixedly arranged at two ends of the moving plate (14), a first sliding groove (12) is vertically formed in the inner side wall of the U-shaped frame plate (1), and the moving plate (14) is in sliding connection with the first sliding groove (12) through the first sliding block (13).

7. Clamping device for cutting metal bars according to claim 2, characterized in that the push-out part (18), the connecting part (20) and the clamping part (19) are of integrally manufactured design.