CN210386054U

CN210386054U - Automatic centering clamping device

Info

Publication number: CN210386054U
Application number: CN201920555990.3U
Authority: CN
Inventors: 祝建华; 郭大军; 李靖; 李际权; 陈志领; 陈亮; 肖坤洋
Original assignee: Hunan Yunhui Technology Share Co ltd; Minmetals Hunan Ferroalloys Co ltd
Current assignee: Hunan Yunhui Technology Share Co ltd; Minmetals Hunan Ferroalloys Co ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-04-24
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses an automatic centering clamping device, its characterized in that: the device comprises a rack, a clamping mechanism and a placing platform, wherein the rack is provided with at least one guide rail along the length direction, the placing platform is positioned below the guide rail, and the clamping mechanism is connected to the guide rail in a sliding manner; clamping mechanism includes two clamping unit, two clamping unit symmetry sets up on the guide rail, each clamping unit all includes die clamping cylinder, pinch-off blades, compression spring and drive connecting plate, two the pinch-off blades sets up relatively and encloses and establish into the centre gripping chamber, pinch-off blades and drive connecting plate all establish on the guide rail and can follow guide rail axial motion with the cover, the compression spring cover is established on the guide rail between pinch-off blades and the drive connecting plate, the drive connecting plate is connected with die clamping cylinder's output shaft transmission, place the platform is located two between the pinch-off blades. Can clamp raw materials with different specifications and sizes. The utility model discloses use centre gripping equipment technical field.

Description

Automatic centering clamping device

Technical Field

The utility model relates to a clamping device technical field especially relates to an automatic centering clamping device.

Background

In the field of automatic production and processing, a workpiece needs to be clamped and centered at a specific position so as to ensure the reliability of processing operation and improve the production efficiency. For irregular raw materials, the machining position can be selected to be on the geometric center point. In the field of ferroalloy crushing processing, a whole ferroalloy with a large size needs to be knocked and crushed into ferroalloy small blocks which meet the size of a finished product, and a processing crushing point is selected as a geometric central point of iron ore. Therefore, a set of device is needed to clamp and position the geometric center of the ferroalloy raw material to a hammering point, the precision and the reliability of hammering and crushing operation are guaranteed, and meanwhile, automatic operation is needed in the clamping and loosening process for guaranteeing the operation efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic centering clamping device can press from both sides the quick centering of the anomalous processing raw materials of size and press from both sides tightly to the assigned position, and it is effectual to have the centering, and the reliability is high, and degree of automation is high.

The utility model adopts the technical proposal that: an automatic centering and clamping device comprises a rack, a clamping mechanism and a placing platform, wherein the rack is provided with at least one guide rail along the length direction, the placing platform is positioned below the guide rail, and the clamping mechanism is connected to the guide rail in a sliding manner;

clamping mechanism includes two clamping unit, two clamping unit symmetry sets up on the guide rail, clamping unit includes die clamping cylinder, pinch-off blades, compression spring and drive connecting plate, two the pinch-off blades sets up relatively and encloses into the centre gripping chamber, pinch-off blades and drive connecting plate all establish on the guide rail and can follow guide rail axial motion with the cover, the compression spring cover is established on the guide rail between pinch-off blades and the drive connecting plate, the drive connecting plate is connected with die clamping cylinder's output shaft transmission, place the platform is located two between the pinch-off blades.

Further optimizing, a plurality of positioning clamping plates are correspondingly arranged on the opposite surfaces of the two clamping plates, clamping grooves with different shapes and specifications are arranged at the opposite ends of each positioning clamping plate, and clamping cavities are formed by the two clamping grooves correspondingly arranged on the positioning clamping plates.

Further optimize, the drive connecting plate includes preceding slider and back slider, connect through the connecting rod between preceding slider and the back slider, preceding slider and back slider all overlap and establish on the guide rail and can follow the axial motion of guide rail, preceding slider sets up between clamping plate and back slider, compression spring sets up between the slider before the clamping plate, the back slider is connected with the transmission of die clamping cylinder.

Preferably, a baffle is further arranged between the front sliding block and the rear sliding block, the baffle is sleeved on the guide rail and can move along the axial direction of the guide rail, the baffle and the clamping plate are connected through an upper top plate and/or a lower bottom plate, two ends of the upper top plate are connected with the upper end surface of the baffle and the upper end surface of the clamping plate, two ends of the lower bottom plate are connected with the lower end surface of the baffle and the lower end surface of the clamping plate, and a damping sleeve is arranged between the baffle and the front sliding block.

Further optimizing, the joints of the clamping block, the front sliding block, the rear sliding block, the baffle and the guide rail are all provided with copper sleeves.

The utility model has the advantages that: at clamping operation, die clamping cylinder promotes the drive connecting plate and slides on the guide rail, promote compression spring, make the pinch plate move along the guide rail, after two pinch plates all withstand the raw materials of placing on place the platform, stop motion, the drive connecting plate continues to advance under the effect of die clamping cylinder piston rod, further oppress compression spring, the maximum stroke up to reaching the pinch cylinder piston rod stops, thereby press from both sides tight raw materials, will stop to the raw materials position owing to two pinch plates top that set up relatively, do not receive the injecing of raw materials specification size, consequently, can press from both sides the raw materials of getting different specification sizes, the scope of getting is wide.

Drawings

The present invention will be further described with reference to the accompanying drawings and embodiments.

FIG. 1 is a schematic structural view of the self-centering clamping device of the present invention;

FIG. 2 is a schematic view of the structure of the clamping unit;

fig. 3 is a schematic view of the internal structure of the clamping unit.

Detailed Description

The automatic centering, centering and clamping device shown in fig. 1 to 3 comprises a rack 1, a clamping mechanism and a placing platform 2, wherein the rack 1 is provided with at least one guide rail 11 along the length direction, the placing platform 2 is positioned below the guide rail 11, and the clamping mechanism is connected to the guide rail 11 in a sliding manner;

clamping mechanism includes two

clamping unit

3, 3 symmetries of two clamping unit set up on guide rail 11, each clamping unit all includes die clamping cylinder 4, clamp plate 5, compression spring 6 and drive connecting plate 7, two clamp plate 5 set up relatively and enclose and establish into the centre gripping chamber, clamp plate 5 and drive connecting plate 7 all with the cover establish on guide rail 11 and can follow guide rail 11 axial motion, compression spring 6 cover is established on the guide rail 11 between clamp plate 5 and the drive connecting plate 7, drive connecting plate 7 is connected with die clamping cylinder 4's output shaft transmission, place the platform and be located between two clamp plate 5.

When the clamping operation is performed, the clamping cylinder 4 pushes the driving connecting plate 7 to slide on the guide rail 11, the compression spring 6 is pushed, the clamping plates 5 move along the guide rail 11, and the movement is stopped after the two clamping plates 5 are both propped against the raw materials placed on the placing platform 2. The driving connecting plate 7 continues to advance under the action of the piston rod of the clamping cylinder 4, further presses the compression spring 6 until the piston rod of the clamping cylinder 4 reaches the maximum stroke and stops moving, and thus the raw material is clamped. Because the two oppositely arranged clamping plates 5 stop when pushing up to the raw materials and are not limited by the specification and the size of the raw materials, the raw materials with different specifications and sizes can be clamped, and the clamping range is wide.

A plurality of positioning clamping plates 51 are correspondingly arranged on the opposite surfaces of the two clamping plates 5, clamping grooves with different shapes and specifications are arranged at the opposite ends of each positioning clamping plate 51, and clamping cavities are surrounded by two corresponding clamping grooves arranged on the positioning clamping plates 51.

Because the shape of the raw material to be crushed is irregular, the raw material with different rules can be better clamped by the clamping grooves with different shapes and specifications. The shape of the positioning clamp plate 51 can ensure that the processing material in a certain range slides to the central position of the positioning clamp plate 51 along the shape of the chute.

The driving connecting plate 7 comprises a front sliding block 71 and a rear sliding block 72, the front sliding block 71 and the rear sliding block 72 are connected through a connecting rod 73, the front sliding block 71 and the rear sliding block 72 are sleeved on the guide rail 11 and can move along the axial direction of the guide rail 11, the front sliding block 71 is arranged between the clamping plate 5 and the rear sliding block 72, the compression spring 6 is arranged between the clamping plate 5 and the front sliding block 71, and the rear sliding block 72 is in transmission connection with the clamping cylinder 4.

The clamping cylinder 4 pushes the rear slider 72 to move, the rear slider 72 pushes the front slider 71 to slide through the connecting rod 73, and the front slider 71 presses the compression spring 6, thereby applying pressure to the clamping plate 5.

A baffle plate 8 is further arranged between the front sliding block 71 and the rear sliding block 72, the baffle plate 8 is sleeved on the guide rail 11 and can move along the axial direction of the guide rail 11, the baffle plate 8 and the clamping plate 5 are connected through an upper top plate 91 and/or a lower bottom plate 92, two ends of the upper top plate 91 are connected with the upper end surface of the baffle plate 8 and the upper end surface of the clamping plate 5, two ends of the lower bottom plate 92 are connected with the lower end surface of the baffle plate 8 and the lower end surface of the clamping plate 5, and a damping sleeve 10 is arranged between the baffle plate 8 and the front sliding block 71.

When the clamped raw material is smashed, the clamped raw material disappears, the clamping plate 5 can rapidly advance under the action of the compression spring 6, and the baffle plate 8 and the front sliding block 71 are prevented from colliding by the shock absorption sleeve 10 arranged between the baffle plate 8 and the front sliding block 71.

The design of the upper top plate 91 can also be used for blocking a discharge port of the discharge hopper, the upper top plate 91 always blocks the discharge port of the discharge hopper during clamping work, after the clamping work is completed, the clamping cylinder is recovered to the initial position, the upper top plate 91 is separated from the discharge port of the discharge hopper, and the material in the discharge hopper falls under the action of load force to start the next work cycle.

And copper sleeves are arranged at the joints of the clamping plate 5, the front sliding block 71, the rear sliding block 72, the baffle 8 and the guide rail 11. The wear resistance of the joints of the clamping plate 5, the front slide block 71, the rear slide block 72 and the baffle plate 8 with the guide rail 11 is improved.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. The utility model provides an automatic centering clamping device which characterized in that: the device comprises a rack (1), a clamping mechanism and a placing platform (2), wherein at least one guide rail (11) is arranged on the rack (1) along the length direction, the placing platform (2) is positioned below the guide rail (11), and the clamping mechanism is connected to the guide rail (11) in a sliding manner;

clamping mechanism includes two clamping unit (3), two clamping unit (3) symmetry sets up on guide rail (11), clamping unit includes die clamping cylinder (4), pinch-off blades (5), compression spring (6) and drive connecting plate (7), two pinch-off blades (5) set up relatively and enclose and establish into the centre gripping chamber, pinch-off blades (5) and drive connecting plate (7) all with overlap establish on guide rail (11) and can follow guide rail (11) axial motion, compression spring (6) cover is established on guide rail (11) between pinch-off blades (5) and drive connecting plate (7), drive connecting plate (7) are connected with the output shaft transmission of die clamping cylinder (4), place the platform and be located two between pinch-off blades (5).

2. The self-centering clamping device according to claim 1, wherein: a plurality of positioning clamping plates (51) are correspondingly arranged on the opposite surfaces of the two clamping plates (5), clamping grooves with different shapes and specifications are arranged at the opposite ends of each positioning clamping plate (51), and clamping cavities are surrounded by the two corresponding clamping grooves arranged on the positioning clamping plates (51).

3. Self-centering clamping device according to claim 1 or 2, characterized in that: drive connecting plate (7) include preceding slider (71) and back slider (72), connect through connecting rod (73) between preceding slider (71) and back slider (72), preceding slider (71) and back slider (72) all overlap and establish on guide rail (11) and can follow the axial motion of guide rail (11), preceding slider (71) set up between clamp plate (5) and back slider (72), compression spring (6) set up between clamp plate (5) and preceding slider (71), back slider (72) are connected with die clamping cylinder (4) transmission.

4. The self-centering clamping device according to claim 3, wherein: still be equipped with baffle (8) between preceding slider (71) and back slider (72), baffle (8) cover is established on guide rail (11) and can be followed the axial motion of guide rail (11), connect through last roof (91) and/or lower bottom plate (92) between baffle (8) and clamp plate (5), the both ends of going up roof (91) are connected the up end of baffle (8) and the up end of clamp plate (5), the both ends of lower bottom plate (92) are connected the lower terminal surface of baffle (8) and the lower terminal surface of clamp plate (5), be equipped with shock attenuation cover (10) between baffle (8) and preceding slider (71).

5. The self-centering clamping device according to claim 4, wherein: and copper sleeves are arranged at the joints of the clamping plate (5), the front sliding block (71), the rear sliding block (72) and the baffle (8) with the guide rail (11).