CN213945652U

CN213945652U - Clamping device of drilling machine

Info

Publication number: CN213945652U
Application number: CN202022422314.4U
Authority: CN
Inventors: 薛飞
Original assignee: Jiaxing Qingsheng Electromechanical Equipment Co ltd
Current assignee: Jiaxing Qingsheng Electromechanical Equipment Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-08-13
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a clamping device of a drilling machine, which comprises a plurality of bearing plates in vertical orientation, and a nut groove is reserved between the adjacent bearing plates, and the device also comprises four groups of clamping units, each group of clamping units comprises a connecting block, two rotating columns and a pressing assembly, the left side and the right side of the connecting block are respectively provided with a connecting lug, the two rotating columns are respectively and rotatably connected with the two connecting lugs, the upper ends of the two rotating columns are respectively and fixedly connected with a first gear, and the lower ends of the two rotating columns penetrate through the connecting lugs, and extends into two adjacent nut grooves, the parts of the two rotating columns in the nut grooves are respectively provided with left-hand threads and right-hand threads, and the two nut grooves are provided with matched nuts, the middle of the connecting block is provided with a gear groove, a second gear matched with the first gear is rotatably connected in the gear groove, the second gear is fixedly connected with a shaft, and the upper end and the lower end of the shaft are rotationally connected with the connecting block, and the connecting block is also provided with a locking assembly for limiting the first two gears.

Description

Clamping device of drilling machine

Technical Field

The utility model relates to a drilling machine technical field, in particular to clamping device of drilling machine.

Background

The drilling machine is the equipment commonly used in panel beating, mainly used drilling, and the in-process of drilling still need be fixed the sheet material through clamping device, and in order to adapt to the sheet material of unidimensional not, the position of general clamping device on the drilling machine is fixed through the fastener, can adjust, but the drilling machine is at the in-process of drilling, owing to there is the vibration, and long-time back, the fastener appears becoming flexible easily, influences the fixed effect to the sheet material.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a clamping device of drilling machine has fixed effect of reinforcing, is difficult for not hard up advantage such as.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a clamping device of a drilling machine comprises a plurality of vertically oriented bearing plates, wherein the left edge and the right edge of each bearing plate are provided with protruding strips, nut grooves are reserved between every two adjacent bearing plates, the clamping device further comprises four groups of clamping units, each group of clamping units comprises a connecting block, two rotating columns and a pressing assembly, the left side and the right side of each connecting block are respectively provided with a connecting lug, the two rotating columns are respectively and rotatably connected with the two connecting lugs, the upper ends of the two rotating columns are respectively and fixedly connected with a first gear, the lower ends of the two rotating columns penetrate out of the connecting lugs and extend into the two adjacent nut grooves, the parts of the two rotating columns in the nut grooves are respectively provided with left-handed threads and right-handed threads, the two nut grooves are provided with matched nuts, the middle of each connecting block is provided with a gear groove, a second gear matched with the first gear is rotatably connected in the gear groove, and the upper end and the lower end of the shaft are rotationally connected with the connecting block, and the connecting block is also provided with a locking assembly for limiting the first two gears.

Adopt above-mentioned technical scheme, the running gear two drives two gear one simultaneously and rotates, makes the nut shift up, and is fixed with connecting block and backup pad, because the rotation opposite direction of two gear one, so block two gear one simultaneously through locking the subassembly, just realized dying the lock to two gear one, the vibration transmission of the in-process of punching like this is to locking the subassembly of dying, needs locking the subassembly and two gear one complete separation, just enables to be connected between connecting block and the loading board not hard up.

As preferred, the dead subassembly of lock includes connecting strip, rack, concave type piece, adjusting bolt, rack and connecting strip are in the gear groove, and rack and connecting strip sliding connection, be equipped with spring one between rack tip and the connecting strip tip, the gear groove is equipped with two bar grooves, the notch both sides part of concave type piece stretches into the gear groove from the bar groove to with connecting strip fixed connection, concave type piece is equipped with the through-hole that supplies adjusting bolt to wear out, still be equipped with the extension piece on the connecting block, the extension piece is equipped with cooperation adjusting bolt's screw hole.

By adopting the technical scheme, when screwing cannot be ensured, the specific positions of the first two gears are arranged, so that the first springs are arranged at the two ends of the rack, when the teeth on the first gears are not completely aligned with the rack, the first springs can be relied on, the rack can move to a certain degree from left to right and is matched with the first gears, the rotating directions of the first two gears are opposite, the first two gears are clamped by the rack, and locking of the first two gears is realized.

Preferably, the pressing assembly comprises a pressing plate, two connecting columns, a pressing bolt and three springs, the connecting block is provided with a mounting plate, a threaded through hole matched with the pressing bolt is formed in the middle of the mounting plate, the pressing plate is located below the mounting plate, the two connecting columns and the pressing plate are fixedly connected, the mounting plate is provided with a through hole for the connecting column to penetrate out, a limit block is fixedly connected to one end of the connecting column penetrating out of the through hole, and the three springs are sleeved on the two connecting columns.

By adopting the technical scheme, the pressing plate is manually lifted, the spring III is compressed, the workpiece is placed below the pressing plate, the pressing plate is loosened, the pressing plate presses the workpiece under the action of the spring III, and the pressing bolt is rotated to penetrate out downwards to abut against the pressing plate.

Preferably, the adjusting fixed bolt is sleeved with a second spring, and the second spring is located between the adjusting bolt end cap and the extension block.

By adopting the technical scheme, the adjusting bolt is screwed up, and the rack moves upwards to leave the first gear under the action of the second spring.

Preferably, the teeth on the rack are arranged at two ends of the rack, and the middle part of the rack is left free.

By adopting the technical scheme, the middle part of the rack is not provided with teeth, so that the rack cannot be contacted with the second gear, and the matching of the rack and the first gear is not influenced.

Preferably, the tooth bottom part on the rack is in an inclined state.

By adopting the technical scheme, the first gear and the rack can be conveniently matched.

Preferably, the nut is a hexagonal nut, and the width of the nut is the same as the width of the nut groove.

Adopt above-mentioned technical scheme, the rotation of restriction nut, the bolt rotates like this, and the nut removes, compresses tightly the connecting block, with the protruding strip chucking of connecting block and loading board.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an enlarged view of a part of embodiment A;

FIG. 3 is a schematic view of another embodiment;

fig. 4 is a view showing the connection of the rack and the connecting bar.

Reference numerals: 1. a carrier plate; 11. a protruding strip; 12. a nut groove; 121. a nut; 2. connecting blocks; 21. connecting lugs; 22. a gear groove; 221. a second gear; 222. a strip-shaped groove; 23. a lengthening block; 24. a second spring; 25. an extension plate; 26. mounting a plate; 3. rotating the column; 31. a first gear; 4. a compression assembly; 41. pressing a plate; 42. connecting columns; 43. a hold-down bolt; 44. a third spring; 45. a limiting block; 5. locking the assembly; 51. a connecting strip; 511. a baffle plate; 52. a rack; 53. a concave block; 54. adjusting the bolt; 55. and a first spring.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 4, a clamping device of a drilling machine, including a plurality of vertical orientation bearing plate 1, for convenience of description, bearing plate 1 equidistant setting, and the bottom plate welded fastening of drilling machine, for convenience of presentation, the bottom plate of drilling machine is not shown in the figure, the interval that leaves between adjacent bearing plate 1 is as nut 121 groove 12, the edge is equipped with protruding strip 11 about bearing plate 1, the top surface of protruding strip 11 and the top surface coincidence of bearing plate 1, still be equipped with four groups of clamping unit that are used for fixed panel on the base, four groups of clamping unit two are in the front, two are in the back, be symmetrical setting.

Explaining by taking a clamping unit on the front side as an example, the clamping unit comprises a connecting block 2, two rotating columns 3 and a pressing assembly 4, connecting lugs 21 are arranged on the left and right sides of the connecting block 2, bearing grooves are formed in the connecting blocks, bearings are clamped in the bearing grooves, the rotating columns 3 comprise a first cylinder with a large diameter and a second cylinder with a small diameter, the first cylinder penetrates out of the bearings and is clamped, the lower ends of the first cylinders penetrate out of the connecting lugs 21 and extend into two adjacent nut 121 grooves 12, left-handed threads and right-handed threads are respectively arranged on the parts of the first cylinders in the nut 121 grooves 12, matched nuts 121 are arranged in the two nut 121 grooves 12, the nuts 121 are hexagon nuts 121, the width of the nuts 121 is the same as the width of the nut 121 grooves 12, and the nuts 121 cannot rotate in the nut 121 grooves 12.

The middle of the connecting block 2 is provided with a gear groove 22, the gear groove 22 penetrates through the left side surface and the right side surface of the connecting block 2, the upper ends of the two cylinders I are fixedly connected with a gear I31, a gear II 221 matched with the two gears I31 is rotatably connected in the gear groove 22, a rotating shaft is fixedly connected with the gear II 221, the two ends of the rotating shaft are rotatably connected with the gear groove 22, the upper end of the rotating shaft penetrates through the connecting block 2, a penetrating part of the rotating shaft is fixedly connected with a hexagon nut, so that the gear II 221 is driven to rotate through an inner hexagon, the gear II 221 drives the two gears I31 to rotate, the rotating directions of the two gears I31 are opposite, and because the rotating directions of threads on the two cylinders II are opposite, the two gears 221 are rotated to drive the two nuts 121 to move upwards, so that the nuts 121 and the connecting lugs 21 clamp the protruding strips 11, the clamping unit is fixed on the bearing plate 1, and the position of the clamping unit needs to be adjusted, when adapting to different work pieces, the third gear is rotated reversely, and the nut 121 is loosened.

The pressing component 4 comprises a pressing plate 41, two connecting columns 42, a pressing bolt 43 and two springs 44, the connecting block 2 is provided with a left extending plate 25 and a right extending plate 25 at the rear side of the gear groove 22, the rear side surface of the connecting block 2 is also provided with a mounting plate 26, the pressing plate 41 is arranged below the mounting plate 26, the two extending plates 25 are arranged to separate the mounting plate 26 from the pressing plate 41 and the gear 31, so that the contact between a workpiece and the gear 31 is avoided, the middle position of the mounting plate 26 is provided with a threaded through hole matched with the pressing bolt 43, the two connecting columns 42 are fixedly connected with the pressing plate 41, the mounting plate 26 is provided with a through hole for the connecting column 42 to penetrate out, one end of the connecting column 42 penetrating out of the through hole is fixedly connected with a limiting block 45, the two springs 44 are sleeved on the two connecting columns 42, the springs 44 are arranged between the mounting plate 26 and the pressing plate 41, and the pressing bolt 43 does not penetrate out of the mounting plate 26 initially, so that the pressing plate 41 is manually lifted, and compressing the third spring 44, placing the workpiece below the pressing plate 41, loosening the pressing plate 41, pressing the workpiece by the pressing plate 41 under the action of the third spring 44, and rotating the pressing bolt 43 to enable the pressing bolt 43 to penetrate downwards and abut against the pressing plate 41.

The connecting block 2 is further provided with a locking assembly 5 for limiting the two first gears 31, the locking assembly 5 comprises a connecting strip 51, a rack 52, a concave block 53 and an adjusting bolt 54, the rack 52 and the connecting strip 51 are positioned in the gear groove 22, the gear groove 22 is provided with two strip-shaped grooves 222, two side parts of a notch of the concave block 53 extend into the gear groove 22 from the strip-shaped grooves 222 and are fixedly connected with the connecting strip 51, the concave block 53 is provided with a through hole for the adjusting bolt 54 to penetrate out, the connecting block 2 is further provided with an extension block 23, the extension block 23 is provided with a threaded hole matched with the adjusting bolt 54, the adjusting bolt is sleeved with a second spring 24, the second spring 24 is positioned between an end cap of the adjusting bolt 54 and the extension block 23, so that the adjusting bolt 54 is screwed downwards, the rack 52 moves downwards and is matched with the first gears 31, and in order to facilitate the matching of the first gears 31 and the rack 52, the bottoms on the rack 52 are in an inclined state, the adjusting bolt 54 is screwed upwards, under the action of the second spring 24, the rack 52 moves upward and away from the first gear 31.

The sliding strip is equipped with T type spout, and T type spout pierces through the left and right sides of sliding strip, rack 52 one side is the complex T type, like this rack 52 inserts and connecting strip 51 sliding connection, the tooth setting on rack 52 is at the both ends of rack 52, the mid portion of rack 52 does not have the tooth, rack 52 can not contact with two 221 gears like this, influence the cooperation of rack 52 and gear 31, sliding strip's the left and right sides still welded fastening has baffle 511, be equipped with spring one between rack 52 tip and the connecting strip 51 tip, baffle 511's inboard is equipped with one section protruding post, rack 52's tip also is equipped with one section protruding post, the both ends and two protruding post joint of spring one, the reason that sets up like this is: because the rotation directions of the two first gears 31 are opposite, if the rack 52 is matched with the two first gears 31 at the same time, the two first gears 31 cannot rotate, so that locking is realized, and because the specific positions of the two first gears 31 cannot be ensured when screwing is performed, springs I are arranged at two ends of the rack 52, so that when the teeth on the first gears 31 are not completely aligned with the rack 52, the rack 52 can move to some extent left and right and is matched with the first gears 31 by virtue of the springs I.

After the rack 52 is matched with the first gear 31, the adjusting bolt 54 can be loosened by vibration after the drilling machine is used for a long time, so that the rack 52 moves upwards in a small range, but because the rack 52 has a certain thickness, as long as the rack 52 is still matched with the first gear 31, the two first gears 31 cannot rotate, the nut 121 keeps a screwed state, the connecting block 2 is directly fixed by the bolt and the nut 121, and once the bolt is loosened, the whole clamping assembly is loosened.

Claims

1. The utility model provides a clamping device of drilling machine, includes loading board (1) of a plurality of vertical orientations, and the edge is equipped with protrusion strip (11) about loading board (1), and leaves nut (121) groove (12) between adjacent loading board (1), its characterized in that still includes four group's clamping unit, and every group clamping unit includes connecting block (2), two rotation posts (3), compresses tightly subassembly (4), the left and right sides of connecting block (2) all is equipped with engaging lug (21), two rotation posts (3) rotate with two engaging lugs (21) respectively and are connected, the equal fixedly connected with gear (31) in the upper end of two rotation posts (3), and the lower extreme of two rotation posts (3) is worn out engaging lug (21) to stretch into two adjacent nut (121) grooves (12), the part of two rotation posts (3) in nut (121) groove (12) is equipped with left-handed thread respectively, Right-handed screw, and two nut (121) groove (12) are equipped with complex nut (121), be equipped with gear groove (22) in the middle of connecting block (2), and swivelling joint has two (221) of the gear of two gears of cooperation (31) in gear groove (22), two (221) fixedly connected with axles of gear, and the upper and lower both ends of axle rotate with connecting block (2) and connect, still be equipped with dead subassembly (5) of lock that restrict two gears (31) on connecting block (2).

2. Clamping device for a drilling machine according to claim 1, characterized in that said blocking assembly (5) comprises a connecting bar (51), a rack (52), a female block (53), an adjusting bolt (54), the rack (52) and the connecting bar (51) are arranged in the gear groove (22), the rack (52) is connected with the connecting strip (51) in a sliding way, a first spring is arranged between the end part of the rack (52) and the end part of the connecting strip (51), the gear groove (22) is provided with two strip-shaped grooves (222), two side parts of the notch of the concave block (53) extend into the gear groove (22) from the strip-shaped grooves (222), and is fixedly connected with the connecting strip (51), the concave block (53) is provided with a through hole for the penetration of an adjusting bolt (54), the connecting block (2) is further provided with an extension block (23), and the extension block (23) is provided with a threaded hole matched with an adjusting bolt (54).

3. The clamping device of the drilling machine as claimed in claim 1, wherein the pressing assembly (4) comprises a pressing plate (41), two connecting columns (42), a pressing bolt (43) and two springs (44), the connecting block (2) is provided with a mounting plate (26), a threaded through hole matched with the pressing bolt (43) is formed in the middle of the mounting plate (26), the pressing plate (41) is located below the mounting plate (26), the two connecting columns (42) are fixedly connected with the pressing plate (41), the mounting plate (26) is provided with a through hole for the connecting column (42) to penetrate out, one end of the connecting column (42) penetrating out of the through hole is fixedly connected with a limiting block (45), and the two springs (44) are sleeved on the two connecting columns (42).

4. The clamping device for the drilling machine as recited in claim 2, characterized in that a second spring (24) is sleeved on the adjusting bolt, and the second spring (24) is arranged between an end cap of the adjusting bolt (54) and the extension block (23).

5. Clamping device for a drilling machine according to claim 2, characterized in that the teeth of the rack (52) are arranged at both ends of the rack (52), and the middle part of the rack (52) is left free.

6. A clamping arrangement for a drill press according to claim 2 characterised in that the foot of the rack (52) is inclined.

7. Clamping device for a drilling machine according to claim 1, characterized in that the nut (121) is a hexagonal nut (121) and the width of the nut (121) is the same as the width of the groove (12) of the nut (121).