CN221538938U

CN221538938U - Drilling machine clamping device

Info

Publication number: CN221538938U
Application number: CN202323303382.9U
Authority: CN
Inventors: 陈鸿; 余志雄; 薛旭晨; 李小军
Original assignee: Xinjiang Minjiang Machinery Parts Manufacturing Co ltd
Current assignee: Xinjiang Minjiang Machinery Parts Manufacturing Co ltd
Priority date: 2023-12-05
Filing date: 2023-12-05
Publication date: 2024-08-16
Anticipated expiration: 2033-12-05

Abstract

The utility model relates to the technical field of drilling machine processing, in particular to a drilling machine clamping device, which comprises a supporting base, a clamping mechanism and a translation mechanism, wherein the clamping mechanism comprises a clamping assembly and a supporting assembly; the translation mechanism comprises a fast moving component for enabling the two clamping blocks to move fast and relatively, a slow moving component for enabling the two supporting plates to move slowly and relatively, and a driving component for providing kinetic energy for the fast moving component and the slow moving component. The utility model designs the clamping blocks and the supporting plates with different moving speeds, and solves the problem that a drill bit is easy to drill into equipment when a workpiece is clamped in the prior art to drill.

Description

Drilling machine clamping device

Technical Field

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

Background

The drilling machine refers to a machine tool which mainly uses a drill bit to machine holes on a workpiece. Typically the drill bit rotates as the primary motion and the drill bit moves axially as the feed motion. The drilling machine has simple structure and relatively low machining precision, can drill through holes and blind holes, replace special cutters, and can perform machining such as expanding, reaming or tapping. In the working process of the drilling machine, the workpiece needs to be kept motionless and fixed, and the common method is to fix the workpiece by adopting a clamping method.

Chinese patent (cn202320571597. X) discloses a hydraulic clamping device for a drilling machine, wherein a hydraulic cylinder is arranged at the top of the pump station; two groups of clamping slips are arranged at the top of the bearing base, are symmetrically distributed at the top of the bearing base, and clamping grooves are formed in the tops of the clamping slips; a piston rod is arranged on one side of the hydraulic cylinder, a fixed block is arranged on one side of the piston rod, and the piston rod is fixedly connected with the clamping slips through the fixed block.

The above-mentioned patent discloses using the pneumatic cylinder to promote clamp slip centre gripping work piece, clamp slip places on the bearing base, during operation work piece is placed in the clamping groove between two clamp slips, through clamp slip centre gripping work piece, need place the work piece in the clamping groove when this scheme centre gripping work piece, perhaps manual holding work piece operation pneumatic cylinder presss from both sides the work piece, when holding if the easy finger of the workman of holding, during the centre gripping irregular work piece, because clamping groove is restricted, difficult clamp irregular work piece, easy operation work piece is beated during drilling, and the clamping groove bottom is solid structure, during the drilling of through-hole, when not accurate drilling depth, cause the drill bit to bore into clamping groove easily, damage drill bit and equipment.

Disclosure of utility model

The utility model aims to provide a clamping device of a drilling machine, which is used for solving the problem that a drill bit is easy to drill into equipment when a workpiece is clamped to drill in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the clamping device of the drilling machine comprises a supporting base, a clamping mechanism and a translation mechanism, wherein the clamping mechanism comprises a clamping assembly and a supporting assembly, the clamping assembly comprises two clamping blocks, the supporting assembly comprises two supporting plates, and the two supporting plates are respectively positioned below the two clamping blocks; the translation mechanism comprises a fast moving component for enabling the two clamping blocks to move fast and relatively, a slow moving component for enabling the two supporting plates to move slowly and relatively, and a driving component for providing kinetic energy for the fast moving component and the slow moving component.

The working principle of the scheme is as follows: the two support plates are contacted, the two clamping blocks are separated, a workpiece to be drilled is placed on the support plates, the driving assembly is started, the two support plates are driven to be separated at a low speed by the low-speed moving assembly, the two clamping blocks are driven to be gathered together at the center by the high-speed moving assembly until the two clamping blocks clamp the workpiece, the driving assembly stops working, the two support plates are separated at the moment, the two clamping blocks clamp the workpiece, after the drilling machine finishes drilling, the driving assembly is started, the two support plates move towards the center at the moment, the two clamping blocks are separated, the workpiece is loosened, then the driving assembly stops working, the workpiece is taken away, and the workpiece drilling work is completed.

Preferably, two opposite sides of the clamping blocks are provided with plane clamping grooves, arc-shaped clamping grooves are formed in the plane clamping grooves, and corner clamping grooves are formed in the arc-shaped clamping grooves, so that workpieces with different shapes can be clamped conveniently.

Preferably, the quick moving assembly comprises a first threaded rod and a first polished rod which are rotationally connected with the supporting base, the first threaded rod is provided with two threaded sections with opposite rotation directions, one end of each clamping block is respectively in threaded connection with the two threaded sections, the other end of each clamping block is sleeved on the first polished rod, and a linear bearing is arranged between each clamping block and the first polished rod.

Preferably, the low-speed moving assembly comprises a first threaded rod, a second threaded rod and a second polished rod, wherein the second threaded rod and the second polished rod are positioned below the first threaded rod and are rotationally connected with the supporting base, the second threaded rod is provided with two threaded sections with opposite rotation directions, the two threaded sections are respectively in threaded connection with a first sleeve, the second polished rod is sleeved with two second sleeves, supporting plates are respectively fixed on the first sleeve and the second sleeve which are positioned on the same side, and linear bearings are respectively arranged between the second sleeve and the second polished rod.

Preferably, the drive assembly comprises a drive box fixed on the support base, one ends of the first threaded rod and the second threaded rod extend into the drive box, a first gear is installed on the first threaded rod, a second gear is installed on the second threaded rod, the first gear is meshed with the second gear, the second threaded rod is connected with a drive motor, and the number of teeth of the first gear is smaller than that of the second gear.

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

1. According to the utility model, the clamping blocks 301 are moved relatively by arranging the threaded rods with opposite rotation directions, so that the workpiece is clamped and loosened, the clamping blocks hang in the air, the drill bit is prevented from damaging equipment and the drill bit when the drill bit drills into the working equipment, the movement direction of the clamping blocks is guided and limited by arranging the polish rod guide, and the irregular workpiece can be clamped conveniently by arranging the plane clamping grooves, the arc clamping grooves and the corner clamping grooves, so that the clamping device is wide in application range.

2. According to the utility model, the supporting plate is used for placing the workpiece, and the gears with different sizes are used for realizing horizontal movement of the clamping blocks and the supporting plate at different speeds, so that when the clamping blocks clamp the workpiece, the supporting plate is separated, and when the clamping blocks are separated, the supporting plate is closed, so that the workpiece can be conveniently placed for clamping, a worker does not need to hold the workpiece by holding, and the false clamping of fingers is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of FIG. 1 of the present utility model;

FIG. 3 is an enlarged schematic view of a portion of FIG. 2A in accordance with the present utility model;

FIG. 4 is an enlarged schematic view of a portion of the utility model at B in FIG. 2;

FIG. 5 is a schematic view of the cross-section C-C of FIG. 2 in accordance with the present utility model.

In the figure: 1-supporting base, 101-side plate, 201-first threaded rod, 202-second threaded rod, 203-first polished rod, 204-second polished rod, 301-clamping block, 302-plane clamping groove, 303-arc clamping groove, 304-corner clamping groove, 305-first sleeve, 306-second sleeve, 307-supporting plate, 401-driving box, 402-first gear, 403-second gear and 404-driving motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. 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.

The utility model is further described below with reference to examples.

As shown in fig. 1 to 5, the clamping device of the drilling machine provided by the utility model comprises a U-shaped supporting base 1 and a clamping mechanism, wherein a translation mechanism for moving the clamping mechanism is arranged between two side plates 101 of the supporting base 1, the translation mechanism comprises a fast moving component for enabling the clamping mechanism to fast move and a slow moving component for enabling the clamping mechanism to slowly move, and one side of the supporting base 1 is provided with a driving component for providing kinetic energy for the fast moving component and the slow moving component.

The fast moving assembly comprises a first threaded rod 201 and a first polished rod 203, the slow moving assembly comprises a second threaded rod 202 and a second polished rod 204, the first threaded rod 201 and the first polished rod 203 are located on the upper portions of the two side plates 101, and the second threaded rod 202 and the second polished rod 204 are located below the first threaded rod 201 and the first polished rod 203 respectively.

The first threaded rod 201 and the second threaded rod 202 are of the same structure and are divided into a middle separation section and thread sections at two sides, and the threads of the thread sections at two sides of the separation section are opposite in rotation direction.

The clamping mechanism comprises a clamping assembly for clamping the workpiece and a supporting assembly for placing the workpiece when the drilling machine is not started.

The clamping assembly comprises two clamping blocks 301, one side of the clamping block is in threaded connection with the first threaded rod 201, the other side of the clamping block is sleeved on the first polished rod 203, the two clamping blocks 301 are respectively sleeved on two sections of the threaded section of the first threaded rod 201, and when the first threaded rod 201 rotates, the two clamping blocks 301 can move relatively to achieve clamping and loosening of a workpiece.

Linear bearings are arranged between the two clamping blocks 301 and the first polished rod 203, and the movement direction of the clamping blocks 301 is limited when the clamping blocks 301 move, so that the linear bearings play a guiding role.

The two opposite sides of the clamping blocks 301 are provided with the plane clamping grooves 302, the arc clamping grooves 303 and the corner clamping grooves 304 which are sequentially distributed from outside to inside, so that workpieces on various outer sides can be clamped, and the applicability is wide.

The support assembly comprises two first sleeves 305 in threaded connection with two sections of the threaded rod 202 and two second sleeves 306 sleeved on the second polished rod 204, support plates 307 are respectively fixed on the first sleeves 305 and the second sleeves 306 which are positioned on the same side, and the two support plates 307 are respectively positioned below the two clamping blocks 301.

Linear bearings are provided between the second sleeve 306 and the second polished rod 204.

The drive assembly comprises a drive box 401 fixed on the support base 1, one ends of the first threaded rod 201 and the second threaded rod 202 extend into the drive box 401, a first gear 402 is installed on the first threaded rod 201, a second gear 403 is installed on the second threaded rod 202, the first gear 402 is meshed with the second gear 403, the number of teeth of the first gear 402 is smaller than that of the second gear 403, and the rotating speed of the first threaded rod 201 is larger than that of the second threaded rod 202 when the gears rotate.

The second threaded rod 202 penetrates out of the driving box 401 and is connected with a driving motor 404 through a coupling, the second threaded rod 202 is driven to rotate through the driving motor 404, and the first threaded rod 201 is driven to rotate through two gear transmissions, so that the clamping block 301, the first sleeve 305 and the second sleeve 306 are driven to horizontally move.

When the scheme works, the two support plates 307 are contacted, the two clamping blocks 301 are separated, a workpiece to be drilled is placed on the support plates 307, the driving motor 404 is started to drive the first screw 201 and the second screw 202 to rotate, the number of teeth of the first gear 402 on the first screw 201 is smaller than that of teeth of the second gear 403 on the second screw 202, the rotating speed of the second screw 202 is larger than that of the first screw 201, at the moment, the two clamping blocks 301 are gathered towards the center at a speed larger than that of the support plates 307, the two support plates 307 are separated at a slow speed until the two clamping blocks 301 clamp the workpiece, the driving motor 404 stops working, at the moment, the two support plates 307 are separated, the two clamping blocks 301 clamp the workpiece, after drilling is completed, the driving motor 404 is started to reversely rotate, at the moment, the two support plates 307 move towards the center, the two clamping blocks 301 are separated, the workpiece is loosened, and then the driving motor 404 stops working, and the workpiece is taken away, so that the drilling work of the workpiece is completed.

The utility model realizes the relative movement of the clamping blocks 301 by arranging the threaded rods with opposite rotation directions, thereby realizing the clamping and loosening of workpieces, guides and limits the moving direction of the clamping blocks 301 by arranging the polished rod guide, places the workpieces by arranging the supporting plates 307, horizontally moves the clamping blocks 301 and the supporting plates 307 at different speeds by arranging the gears with different sizes, and realizes the separation of the supporting plates 307 when the clamping blocks 301 clamp the workpieces, and the supporting plates 307 are closed when the clamping blocks 301 are separated, thereby facilitating the clamping of the workpieces and avoiding the damage of equipment and drill bit caused by drilling the drill bit into the working equipment when the through holes are drilled on the one hand.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The clamping device of the drilling machine is characterized by comprising a supporting base (1), a clamping mechanism and a translation mechanism, wherein the clamping mechanism comprises a clamping assembly and a supporting assembly, the clamping assembly comprises two clamping blocks (301), the supporting assembly comprises two supporting plates (307), and the two supporting plates (307) are respectively positioned below the two clamping blocks (301); the translation mechanism comprises a fast moving assembly for fast relative movement of the two clamping blocks (301), a slow moving assembly for slow relative movement of the two support plates (307), and a driving assembly for providing kinetic energy to the fast moving assembly and the slow moving assembly.

2. The drilling machine clamping device according to claim 1, wherein two opposite sides of the clamping blocks (301) are provided with plane clamping grooves (302), arc-shaped clamping grooves (303) are formed in the plane clamping grooves (302), and angular clamping grooves (304) are formed in the arc-shaped clamping grooves (303).

3. The drilling machine clamping device according to claim 1, characterized in that the quick moving assembly comprises a first threaded rod (201) and a first polished rod (203) which are rotatably connected with the supporting base (1), the first threaded rod (201) is provided with two threaded sections with opposite screwing directions, one end of each clamping block (301) is respectively in threaded connection with the two threaded sections, the other ends of the two clamping blocks (301) are sleeved on the first polished rod (203), and a linear bearing is arranged between each clamping block (301) and the first polished rod (203).

4. A drilling machine clamping device according to claim 3, characterized in that the slow moving assembly comprises a second threaded rod (202) and a second polished rod (204) which are positioned below the first threaded rod (201) and the first polished rod (203) and are rotationally connected with the supporting base (1), the second threaded rod (202) is provided with two threaded sections with opposite rotation directions, the two threaded sections are respectively in threaded connection with a first sleeve (305), the second polished rod (204) is sleeved with two second sleeves (306), supporting plates (307) are respectively fixed on the first sleeve (305) and the second sleeve (306) which are positioned on the same side, and linear bearings are respectively arranged between the second sleeve (306) and the second polished rod (204).

5. The drill press clamping device according to claim 4, characterized in that the drive assembly comprises a drive box (401) fixed on the support base (1), one end of the first threaded rod (201) and one end of the second threaded rod (202) extend into the drive box (401), a first gear (402) is mounted on the first threaded rod (201), a second gear (403) is mounted on the second threaded rod (202), the first gear (402) is meshed with the second gear (403), the second threaded rod (202) is connected with a drive motor (404), and the number of teeth of the first gear (402) is smaller than that of the second gear (403).