CN211680508U

CN211680508U - Servo dragging device of press welder

Info

Publication number: CN211680508U
Application number: CN202020273553.5U
Authority: CN
Inventors: 衣文平; 李辉; 李永涛
Original assignee: Yantai Xiantang Steel Structure Co ltd
Current assignee: Yantai Xiantang Steel Structure Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-10-16
Anticipated expiration: 2030-03-09

Abstract

The utility model relates to a servo dragging device of a press welder, which comprises a rectangular conveying frame body, wherein fixed blocks are fixedly arranged on both sides of a long edge of the upper surface of the conveying frame body, and a double-worm transmission assembly is arranged between the fixed blocks; the two double-worm transmission assemblies respectively comprise a driving worm and a fixed worm, and two ends of the fixed worm are fixedly connected to the fixed blocks; the driving worm and the fixed worm are vertically arranged and are meshed with each other, and the arrangement direction of the fixed worm is the same as the long edge direction of the conveying frame body; the two driving worms are both connected with a servo motor, and the moving directions and the moving rates of the two driving worms are consistent; the two driving worms are rotatably connected with supporting tables, the two supporting tables are respectively provided with a clamping assembly, and the two double-worm transmission assemblies simultaneously drive the two clamping assemblies to reciprocate along the long edge direction of the conveying frame body. The utility model discloses a servo motor drives initiative worm and clamping components and is reciprocating motion along the long limit direction of carrying the support body, reaches the purpose of accurate dragging and location to improve the pressure welding precision.

Description

Servo dragging device of press welder

Technical Field

The utility model belongs to the technical field of the technique of press welder and specifically relates to a servo drive device of press welder is related to.

Background

The pressure welding machine is a mechanical device of a welding platform, mainly adopts a pressure welding mode to weld, utilizes pressure to enable the surface of a part to be welded to be in direct and close contact in a solid state during welding, enables the temperature of the part to be welded to be increased, and enables the surface to be welded to be fully diffused to realize interatomic bonding by adjusting the temperature, the pressure and the time, thereby completing the welding.

Prior art can refer to the utility model patent that the grant bulletin number is CN206500751U, and it discloses a steel grating press welder belongs to steel grating processing technology field, including the base, its characterized in that: a receiving platform is fixed on the upper portion of the base, a sliding frame is arranged above the receiving platform, the sliding frame is slidably sleeved on a guide column, the lower end of the guide column is fixed on the base, a first hydraulic cylinder is fixed on the upper end of the guide column, the lower end of the first hydraulic cylinder is connected with a first hydraulic rod, the lower end of the first hydraulic rod is connected with the upper portion of the sliding frame, and a positive electrode row and a negative electrode row are fixed on the lower portion of the sliding frame; the base front and back end all is equipped with the second pneumatic cylinder, second pneumatic cylinder upper portion all is connected with the second hydraulic stem, second hydraulic stem upper portion all is connected with and holds the work or material rest. The utility model discloses can carry out automatic unloading and pay-off to turning round the steel effectively, carry out welding process to turning round steel and band steel better for welded efficiency.

The above prior art solutions have the following drawbacks: when the steel grating plate press welder performs a new round of welding, the pusher dog is adopted to drive the flat steel to move for a certain distance for positioning and then welding is performed. The pusher dog is adopted to drag the flat steel, the dragging speed is low, the positioning is not accurate, welding errors are easy to occur, and therefore the pressure welding precision is low. Therefore, in order to solve the problem, a servo dragging device of a pressure welding machine needs to be provided, which can accurately drag and position, so as to improve the pressure welding precision.

SUMMERY OF THE UTILITY MODEL

The servo drive device of press welder is provided to the not enough that prior art exists, the utility model aims at providing a reciprocating motion is to initiative worm and clamping component that servo motor drove two worm drive assembly, realizes accurate dragging and location to improve the pressure welding precision.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a servo dragging device of a press welder comprises a conveying frame body, wherein the upper surface of the conveying frame body is of a rectangular structure; the two sides of the long edge of the upper surface of the conveying frame body are fixedly connected with fixed blocks, and a double-worm transmission assembly is arranged between the fixed blocks; the two double-worm transmission assemblies respectively comprise a driving worm and a fixed worm, and two ends of the fixed worm are fixedly connected to the fixed block; the driving worm and the fixed worm are vertically arranged and are meshed with each other, and the arrangement direction of the fixed worm is the same as the long edge direction of the conveying frame body; the two driving worms are both connected with a servo motor, and the moving directions and the moving rates of the two driving worms are consistent; the outer parts of the two driving worms are rotatably connected with supporting tables, the two supporting tables are respectively provided with a clamping assembly, and the two double-worm transmission assemblies simultaneously drive the two clamping assemblies to reciprocate along the long edge direction of the conveying frame body.

By adopting the technical scheme, the driving worm and the clamping component of the double-worm transmission component driven by the servo motor do reciprocating motion along the long edge direction of the conveying frame body, so that the purposes of accurate dragging and positioning are achieved, and the pressure welding precision is improved.

The present invention may be further configured in a preferred embodiment as: the two ends of the fixed block are fixedly connected with sliding rods, the two sliding rods are respectively located on two sides of the fixed worm, and the length of the two sliding rods is consistent with that of the fixed worm.

By adopting the technical scheme, the fixing of the fixing block to the fixing worm is further reinforced, and when the driving worm does reciprocating motion along the long edge direction of the conveying frame body, the fixing worm is ensured to be fixed; the sliding rods are arranged on the two sides of the fixed worm, so that the two sides of the fixed worm are uniformly stressed, the fixed worm is better fixed, the guide effect of the fixed worm on the driving worm is realized, and the dragging and positioning precision is further ensured.

The present invention may be further configured in a preferred embodiment as: the supporting table is provided with a slide hole, the slide rod is sleeved in the slide hole, and the slide hole is connected with the slide rod in a sliding manner.

Through adopting above-mentioned technical scheme, when the clamping component on the brace table was reciprocating motion along the long limit direction of carriage body along with the initiative worm, the slide bar was synchronous reciprocating sliding in the slide opening, had improved the stability of brace table, and then had improved clamping component's stability, guaranteed the precision of dragging and fixing a position.

The present invention may be further configured in a preferred embodiment as: the bottommost end of the supporting platform is higher than the upper surface of the conveying frame body.

Through adopting above-mentioned technical scheme, eliminate the sliding friction power between the last bottom of brace table and the upper surface of carriage body, make the initiative worm rotate along fixed worm more smoothly to drive clamping components motion better, improve the precision of dragging and fixing a position.

The present invention may be further configured in a preferred embodiment as: the clamping assembly comprises an upper clamping plate, a lower clamping plate and a cylinder, the cylinder comprises a base and a piston rod, the base of the cylinder is fixedly connected to a supporting table, the lower clamping plate is fixedly connected to the base of the cylinder, a guide rod is fixedly connected between the piston rod of the upper clamping plate and the piston rod of the cylinder, and the piston rod of the cylinder drives the upper clamping plate to move up and down along the guide rod.

By adopting the technical scheme, the upper clamping plate of the clamping assembly can do up-and-down reciprocating motion along with the piston rod of the cylinder, and the guide rod plays a certain supporting and guiding role, so that the clamping assembly clamps and conveys the material plate, and finally dragging and positioning are realized.

The present invention may be further configured in a preferred embodiment as: the guide rods are located on two sides of the cylinder, guide grooves are fixedly formed in a base of the cylinder, and the guide rods are connected in the guide grooves in a sliding mode.

Through adopting above-mentioned technical scheme, make the both sides atress of the piston rod of cylinder even to when the piston rod of punch holder along with the cylinder was up-and-down reciprocating motion, the guide bar slided in the guide way, reduced the harm of dragging the in-process to the piston rod of cylinder, the life of the piston rod of extension cylinder.

The present invention may be further configured in a preferred embodiment as: the upper clamping plate is connected with a guide post in a sliding mode, and the guide post is fixedly connected with the base of the air cylinder.

Through adopting above-mentioned technical scheme, when the piston rod of punch holder along with the cylinder was up-and-down reciprocating motion, the punch holder slided in the guide post simultaneously, has further realized the guide effect of guide post to the punch holder, makes the operation process of punch holder more accurate.

The present invention may be further configured in a preferred embodiment as: the plane that the axis of punch holder and lower plate is constituteed is perpendicular to the upper surface of carrying the support body.

Through adopting above-mentioned technical scheme, the tight dynamics of clamp of punch holder and lower plate that makes the flitch receive is even, realizes the clamp of flitch better and transports, makes to drag and fix a position more accurately.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the driving worm and the clamping component of the double-worm transmission component are driven by the servo motor to reciprocate along the long edge direction of the conveying frame body, so that servo dragging feeding is realized, the purposes of accurate dragging and positioning are achieved, and the pressure welding precision is improved;

2. through the arrangement of the sliding connection between the sliding holes in the supporting table and the sliding rods, when the clamping assembly on the supporting table reciprocates along the long edge direction of the conveying frame body along with the driving worm, the sliding rods synchronously slide in the sliding holes in a reciprocating manner, so that the stability of the supporting table is improved, the stability of the clamping assembly is further improved, and the dragging and positioning precision is ensured;

3. through the setting of clamping unit, make clamping unit's punch holder can be along with the piston rod of cylinder and do reciprocating motion from top to bottom to realize clamping unit to the clamp of flitch and transport, finally realize dragging and location.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing the structure of the device on the carriage body;

FIG. 3 is a schematic view of the dual worm drive assembly shown in perspective;

FIG. 4 is a schematic view of the construction of the highlighted clamp assembly.

In the figure, 1, a conveyor frame body; 2. a fixed block; 3. a double worm drive assembly; 31. a drive worm; 32. fixing the worm; 4. a servo motor; 5. a support table; 51. a slide hole; 6. a clamping assembly; 61. an upper splint; 62. a lower splint; 63. a cylinder; 631. a base; 632. a piston rod; 7. a slide bar; 8. a guide bar; 9. a guide groove; 10. and a guide post.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a servo dragging device of a press welder disclosed by the present invention comprises a conveying frame body 1, wherein the upper surface of the conveying frame body 1 is in a rectangular structure; the two sides of the long edge of the upper surface of the conveying frame body 1 are fixedly connected with fixed blocks 2, and a double-worm transmission assembly 3 is arranged between the fixed blocks 2; the two double-worm transmission assemblies 3 respectively comprise a driving worm 31 and a fixed worm 32, and two ends of the fixed worm 32 are fixedly connected to the fixed block 2; the driving worm 31 and the fixed worm 32 are vertically arranged and meshed with each other, and the arrangement direction of the fixed worm 32 is the same as the long side direction of the conveying frame body 1; the two driving worms 31 are both connected with a servo motor 4, and the moving directions and the moving speeds of the two driving worms 31 are consistent.

Referring to fig. 2 and 3, two slide bars 7 are fixedly connected to each two fixing blocks 2, the two slide bars 7 are respectively located at two sides of the fixing worm 32, and the length of the slide bar 7 is the same as that of the fixing worm 32.

Referring to fig. 2 and 3, the outer portions of the two driving worms 31 are rotatably connected with supporting tables 5, the supporting tables 5 are in an inverted U-shaped structure, one plane of each supporting table 5 is parallel to the upper surface of the conveyor frame body 1, and the other two planes are perpendicular to the upper surface of the conveyor frame body 1; two planes of the supporting table 5, which are vertical to the upper surface of the conveying frame body 1, are provided with slide holes 51; the slide rod 7 is sleeved in the slide hole 51, and the slide hole 51 is connected with the slide rod 7 in a sliding manner; the bottommost ends of the two planes of the support table 5 perpendicular to the upper surface of the conveyor frame body 1 are higher than the upper surface of the conveyor frame body 1.

Referring to fig. 2 and 4, the two support tables 5 are respectively provided with a clamping assembly 6, each clamping assembly 6 comprises an upper clamping plate 61, a lower clamping plate 62 and a cylinder 63, each cylinder 63 comprises a base 631 and a piston rod 632, and the base 631 of each cylinder 63 is fixedly connected to the outer side plane of each support table 5, which is perpendicular to the upper surface of the conveyor frame body 1; the lower clamp plate 62 is fixedly connected to a base 631 of the cylinder 63, a guide rod 8 is fixedly connected between the upper clamp plate 61 and a piston rod 632 of the cylinder 63, the guide rod 8 is positioned at two sides of the cylinder 63, and the piston rod 632 of the cylinder 63 drives the upper clamp plate 61 to move up and down along the guide rod 8; a guide groove 9 is fixedly arranged on a base 631 of the air cylinder 63, and a guide rod 8 is slidably connected in the guide groove 9; the upper clamping plate 61 is connected with a guide post 10 in a sliding way, and the guide post 10 is fixedly connected with a base 631 of the air cylinder 63; the plane formed by the central axes of the upper clamping plate 61 and the lower clamping plate 62 is perpendicular to the upper surface of the transporting rack body 1.

Referring to fig. 2, the driving worms 31 of the two double-worm transmission assemblies 3 can drive the two clamping assemblies 6 to reciprocate along the long side direction of the conveying frame body 1 through the servo motor 4; the upper clamping plate 61 of the clamping assembly 6 can reciprocate up and down along with the piston rod 632 of the cylinder 63; thereby realize clamping assembly 6 to the clamp of flitch and transport, finally realize dragging and location.

The implementation principle of the embodiment is as follows: when a new round of welding action is carried out, the servo dragging device of the press welder starts to operate, firstly, the piston rod 632 of the air cylinder 63 drives the upper clamping plate 61 to move downwards along the guide post 10, and meanwhile, the guide rod 8 moves downwards along the guide groove 9; secondly, after the material plate is clamped by the interaction of the upper clamping plate 61 and the lower clamping plate 62, the servo motor 4 starts to operate, the servo motor 4 and the driving worm 31 of the double-worm transmission assembly 3 drive the clamping assembly 6 and the material plate on the supporting table 5 to move towards the direction far away from the welding position, and meanwhile, the sliding hole 51 on the supporting table 5 slides along the sliding rod 7 towards the direction far away from the welding position; thirdly, when the material plate moves to a proper position, a new round of welding action is started, meanwhile, the piston rod 632 of the air cylinder 63 drives the upper clamping plate 61 to move upwards along the guide post 10 and loosen the material plate, and meanwhile, the guide rod 8 moves upwards along the guide groove 9; finally, the servo motor 4 and the driving worm 31 of the double-worm transmission assembly 3 drive the clamping assembly 6 on the support table 5 to move to a proper position in the direction close to the welding position, and wait for a new round of dragging of the flitch.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, 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

1. The utility model provides a servo drive device of press welder, includes carriage body (1), the upper surface of carriage body (1) is rectangle structure, its characterized in that: the two sides of the long edge of the upper surface of the conveying frame body (1) are fixedly connected with fixed blocks (2), and a double-worm transmission assembly (3) is arranged between the fixed blocks (2); the two double-worm transmission assemblies (3) respectively comprise a driving worm (31) and a fixed worm (32), and two ends of the fixed worm (32) are fixedly connected to the fixed block (2); the driving worm (31) and the fixed worm (32) are vertically arranged and are meshed with each other, and the arrangement direction of the fixed worm (32) is the same as the long side direction of the conveying frame body (1); the two driving worms (31) are both connected with a servo motor (4), and the moving directions and the speeds of the two driving worms (31) are consistent; the outer portions of the two driving worms (31) are rotatably connected with supporting tables (5), the two supporting tables (5) are respectively provided with a clamping assembly (6), and the two double-worm transmission assemblies (3) simultaneously drive the two clamping assemblies (6) to reciprocate along the long edge direction of the conveying frame body (1).

2. The servo dragging device of the press welder as claimed in claim 1, wherein: the two ends of the fixed block (2) are fixedly connected with sliding rods (7), the two sliding rods (7) are respectively located on two sides of the fixed worm (32), and the length of the two sliding rods (7) is consistent with that of the fixed worm (32).

3. The servo dragging device of the press welder as claimed in claim 2, wherein: a sliding hole (51) is formed in the supporting platform (5), the sliding rod (7) is sleeved in the sliding hole (51), and the sliding hole (51) is connected with the sliding rod (7) in a sliding mode.

4. The servo dragging device of the press welder as claimed in claim 3, wherein: the bottommost end of the supporting table (5) is higher than the upper surface of the conveying frame body (1).

5. The servo dragging device of the press welder as claimed in claim 1, wherein: clamping assembly (6) include punch holder (61), lower plate (62) and cylinder (63), cylinder (63) include base (631) and piston rod (632), and base (631) fixed connection of cylinder (63) is on a supporting bench (5), lower plate (62) fixed connection is on base (631) of cylinder (63), the rigid coupling has guide bar (8) between piston rod (632) of punch holder (61) and cylinder (63), and piston rod (632) of cylinder (63) drive punch holder (61) along guide bar (8) up-and-down motion.

6. The servo dragging device of the press welder as claimed in claim 5, wherein: the guide rod (8) is located on two sides of the air cylinder (63), a guide groove (9) is fixedly arranged on a base (631) of the air cylinder (63), and the guide rod (8) is connected in the guide groove (9) in a sliding mode.

7. The servo dragging device of the press welder as claimed in claim 5, wherein: the upper clamping plate (61) is connected with a guide post (10) in a sliding mode, and the guide post (10) is fixedly connected with a base (631) of the air cylinder (63).

8. The servo dragging device of the press welder as claimed in claim 5, wherein: the plane formed by the central axes of the upper clamping plate (61) and the lower clamping plate (62) is vertical to the upper surface of the conveying frame body (1).