CN210451907U

CN210451907U - Clamping device for drilling machine

Info

Publication number: CN210451907U
Application number: CN201921538926.0U
Authority: CN
Inventors: 刘天俊; 曹海峰
Original assignee: Beijing Aoxin Metal Structure Factory
Current assignee: Beijing Aoxin Metal Structure Factory
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-05-05
Anticipated expiration: 2029-09-16

Abstract

The utility model relates to a clamping device for drilling machine relates to drill jig's technical field, sets up on the drilling machine workstation, including setting up the base on the workstation, set firmly baffle at the base both ends respectively, slide the slider that sets up between two baffles, set up and be used for driving the gliding top push subassembly of slider on the base and set up the pressure that is used for pressing the work piece on the base both sides respectively and hold the subassembly near workstation outside baffle, the pressure is held the subassembly and is including setting firmly the stationary platen in the base both sides respectively and sliding the movable platen that sets up in the base both sides respectively, the stationary platen sets up the one end of keeping away from the top push subassembly at the base, and the movable platen setting is kept away from the one end of stationary platen at the base. The utility model has the advantages of convenient operation, the centre gripping is effectual, and drilling accuracy is high.

Description

Clamping device for drilling machine

Technical Field

The utility model belongs to the technical field of the technique of drill jig and specifically relates to a clamping device for drilling machine is related to.

Background

The drilling machine is a machine tool which mainly uses a drill to machine a hole on a workpiece. Typically the drill bit is rotated into a primary motion and the drill bit is moved axially into a feed motion. The drilling machine is simple in structure, relatively low in machining precision, capable of drilling through holes and blind holes, replacing special cutters, and capable of expanding, reaming or tapping and the like. In the machining process, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates (main motion). The drilling machine is characterized in that a workpiece is fixed and a cutter does rotary motion.

The prior application No. CN201210149982.1 for reference comprises a workbench frame, a workpiece base plate and a jacking device; wherein: the bottom of the inner part of the workbench frame is provided with a workpiece base plate, the workpiece is arranged on the upper part of the workpiece base plate, and the jacking device is arranged on the side surface of the workbench frame and jacks the workpiece. During drilling, a workpiece is clamped in the clamp for fixing, and then drilling is carried out.

The above prior art solutions have the following drawbacks: however, the clamp can only be used for clamping workpieces with the size approximately the same as that of the clamp, when some long strip-shaped workpieces such as channel steel and square steel are drilled, when the weights of two ends of the workpieces are different, one end of the workpiece is tilted when the workpiece is drilled, and therefore drilling and drilling accuracy are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a clamping device for drilling machine has convenient operation, and the centre gripping is effectual, advantage that drilling accuracy is high.

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

the utility model provides a clamping device for drilling machine, sets up on the drilling machine workstation, including setting up the base on the workstation, set firmly the baffle at base both ends respectively, slide and set up the slider between two baffles, set up and be used for driving the gliding top push subassembly of slider on the base and set up the pressure that is used for pressing the work piece on the base in base both sides respectively near workstation outside baffle and hold the subassembly, the pressure is held the subassembly and is included the stationary platen that sets firmly respectively in base both sides and slide respectively and set up the dynamic pressure board in the base both sides, the stationary platen sets up the one end of keeping away from the top push subassembly at the base, and the one end of stationary platen is kept away from at the base to the dynamic pressure board setting.

Through adopting above-mentioned technical scheme, through slider and baffle, fix the work piece centre gripping on the base, utilize simultaneously respectively that movable platen and stationary platen press the work piece that the square steel is located the base to hold fixedly to with the work piece about, the upper and lower direction is fixed, prevent that the work piece from taking place to incline or the dislocation when drilling, guarantee the drilling precision, have convenient operation, the centre gripping is effectual, advantage that the drilling precision is high.

The utility model discloses further set up to: the pushing assembly comprises a lead screw and a nut, a through hole is formed in the baffle plate close to the outer side of the workbench, the nut is fixedly arranged at the through hole coaxially, and the lead screw penetrates through the nut and the through hole to be connected to the sliding block in a rotating mode through a bearing.

Through adopting above-mentioned technical scheme, move on the base through lead screw drive slider to press from both sides the work piece tight.

The utility model discloses further set up to: and a handle is fixedly arranged at one end of the screw rod, which is far away from the sliding block.

Through adopting above-mentioned technical scheme, rotate the lead screw through the handle, it is more convenient, swift to operate.

The utility model discloses further set up to: and rubber pads are respectively arranged on the sliding block and one side of the sliding block opposite to the baffle far away from one end of the pushing assembly.

Through adopting above-mentioned technical scheme, the rubber pad is when the centre gripping work piece, and self can take place certain deformation to increase the clamping area with the work piece, and the frictional force of rubber pad self is big, can be fixed with the stable centre gripping of work piece.

The utility model discloses further set up to: the fixed pressing plate and the movable pressing plate respectively comprise a vertical part and a horizontal part vertically fixedly arranged at the upper end of the vertical part, the vertical part of the fixed pressing plate is fixedly arranged on the side surface of the base, and the vertical part of the movable pressing plate is slidably arranged on the side surface of the base.

Through adopting above-mentioned technical scheme, through vertical portion butt in the side of work piece, restrict the front and back position of work piece, utilize the horizontal part to hold the work piece upper end pressure fixedly to avoid because of work piece length is longer, take place the problem of slope.

The utility model discloses further set up to: one side of the vertical part of the movable platen, which is close to the base, is fixedly provided with a trapezoidal clamping block, a sliding groove matched with the clamping block is formed in the side wall of the base along the length direction of the base, and the clamping block is arranged in the sliding groove in a sliding manner.

Through adopting above-mentioned technical scheme, guarantee that the movable platen slides and sets up at the base lateral wall to, trapezoidal fixture block can prevent that the movable platen from breaking away from the base, guarantees the stability of its installation.

The utility model discloses further set up to: the vertical part comprises a fixed sleeve, a sliding rod sleeved in the fixed sleeve in a sliding mode and a locking assembly arranged on the outer side of the fixed sleeve and used for fixing the position of the sliding rod, and the upper end of the sliding rod is connected with the horizontal part.

Through adopting above-mentioned technical scheme, through the length of adjustment slide bar to make stationary platen and movable platen can adapt to the work piece of equidimension not.

The utility model discloses further set up to: the locking assembly comprises a sleeve, a lock rod, a limiting ring and a spring, wherein one end of the sleeve is fixedly arranged on the side wall of the fixed sleeve, the other end of the sleeve is arranged in a closed manner, the lock rod coaxially penetrates through the sleeve and is inserted into the fixed sleeve, the limiting ring is fixedly sleeved on the lock rod, the spring is arranged in the sleeve and is used for driving the lock rod to be inserted into the fixed sleeve, the spring is sleeved on the lock rod, one end of the spring is pressed on the limiting ring; the sliding rod is provided with a rack, and one end of the locking rod inserted into the fixing sleeve is provided with a locking tooth inserted into the rack to limit the upward movement of the sliding rod.

Through adopting above-mentioned technical scheme, order about the locking lever through the spring and carry on spacingly to the slide bar, can carry on spacingly to the ascending direction of slide bar to guarantee that the work piece is in the horizontality, prevent to take place the slope.

The utility model discloses further set up to: the top surface of the lock tooth is provided with a guide inclined surface which gradually rises towards one end of the lock rod.

By adopting the technical scheme, the guide inclined plane is arranged, so that the lock rod can automatically retract into the sleeve under the action of the guide inclined plane when the slide rod moves downwards, and the operation is more convenient.

To sum up, the utility model discloses a beneficial technological effect does:

1. the workpiece is clamped and fixed on the base through the sliding block and the baffle plate, and meanwhile, the workpiece with square steel on the base is pressed and fixed through the movable platen and the fixed platen respectively, so that the workpiece is fixed in the left, right and up and down directions, the workpiece is prevented from being inclined or dislocated during drilling, the drilling precision is ensured, and the drilling device has the advantages of convenience in operation, good clamping effect and high drilling precision;

2. the telescopic vertical part is arranged, so that the fixed pressing plate and the movable pressing plate can adapt to workpieces with different sizes;

3. through setting up locking Assembly, can be automatic lock the position of slide bar, it is more convenient to operate.

Drawings

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

FIG. 2 is a schematic structural view of the protruded stationary platen of the present invention;

figure 3 is a cross-sectional view of the present invention positive locking assembly.

In the figure, 1, a base; 2. a baffle plate; 3. a slider; 4. a pushing assembly; 41. a lead screw; 42. a nut; 43. rotating the handle; 5. fixing a pressure plate; 51. a vertical portion; 511. fixing a sleeve; 512. a slide bar; 5121. a rack; 513. a locking assembly; 5131. a sleeve; 5132. a lock lever; 5133. a limiting ring; 5134. a spring; 5135. locking teeth; 5136. a guide ramp; 52. a horizontal portion; 6. a movable platen; 7. and (7) a rubber pad.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a clamping device for drilling machine sets up and is used for centre gripping processing work piece on the workstation of drilling machine. The clamping device comprises a base 1 fixed on the workbench through bolts, two ends of the base 1 are respectively and fixedly provided with a baffle 2, and the two baffles 2 and the base 1 form a U-shaped structure. A sliding block 3 is arranged on the base 1 between the two baffles 2 in a sliding mode, and a pushing assembly 4 used for driving the sliding block 3 to slide on the base 1 is arranged on the baffle 2 close to the outer side of the workbench. The pushing assembly 4 comprises a screw 41 and a nut 42 matched with the screw 41, a through hole for the screw 41 to pass through is formed in the central position of the baffle 2 close to the outer side of the workbench, the nut 42 is fixedly arranged at the through hole of the baffle 2, the screw 41 passes through the nut 42 and is rotatably connected to the sliding block 3 through a bearing, and the screw 41 is rotated to drive the sliding block 3 to slide on the base 1.

The both sides of base 1 are provided with respectively and are used for pressing the pressure of holding the work piece of placing on base 1 and hold the subassembly, and the pressure is held the subassembly and is included the fixed clamp plate 5 that fixedly sets up respectively in base 1 both sides and slide respectively and set up the dynamic pressure plate 6 in base 1 both sides, and fixed clamp plate 5 sets up the one end of keeping away from top pushing assembly 4 at base 1, and dynamic pressure plate 6 sets up the one end of keeping away from fixed clamp plate 5 at base 1. Wherein the stationary platen 5 and the movable platen 6 are L-shaped.

Referring to fig. 2, the stationary platen 5 and the movable platen 6 respectively include a vertical portion 51 and a horizontal portion 52 vertically fixed to an upper end of the vertical portion 51, the vertical portion 51 of the stationary platen 5 is fixedly provided on a side wall of the base 1, and the vertical portion 51 of the movable platen 6 is slidably provided on a side surface of the base 1. Specifically, one side of the vertical part 51 of the movable platen 6 close to the base 1 is fixedly provided with a trapezoidal fixture block, a chute matched with the fixture block is formed in the side wall of the base 1 along the length direction of the base 1, and the fixture block is arranged in the chute in a sliding manner and the end of the fixture block is large and arranged on the inner side of the chute. In use, the horizontal portion 52 is pressed against the top surface of the workpiece and the vertical portion 51 abuts against the side surface of the workpiece.

When in use, the strip-shaped square steel is taken as an example, the square steel is placed on the base 1, one side of the square steel abuts against the baffle 2 close to the inner side of the workbench, and the fixed pressing plate 5 is pressed on the top surface of the square steel. The screw 41 is rotated to drive the slide block 3 to clamp and fix the square steel, the movable platen 6 is slid, and the movable platen 6 is pressed and held on the other side of the square steel to press and fix the square steel. Then, the drilling work is performed.

Through slider 3 and baffle 2, fix the work piece centre gripping on base 1, utilize simultaneously respectively that movable platen 6 and stationary platen 5 are located the work piece pressure on the base 1 with the square steel and hold fixedly to with the work piece about, the upper and lower direction is fixed, prevent that the work piece from taking place the slope or the dislocation when drilling, guarantee drilling accuracy, have convenient operation, the centre gripping is effectual, advantage that drilling accuracy is high.

Referring to fig. 1, in order to facilitate the rotation of the screw 41, a rotating handle 43 is fixedly disposed at one end of the screw 41 away from the slider 3, and the screw 41 is rotated by the rotating handle 43, so that the operation is more convenient and faster.

Referring to fig. 1, because the sliding block 3 and the baffle 2 are both rigid and hard materials, when a polygonal workpiece is clamped, the workpiece may deviate during drilling due to a small stressed area, so that drilling accuracy and workpiece quality are affected, a rubber pad 7 is respectively arranged on the sliding block 3 and one side of the baffle 2 opposite to the end far away from the pushing assembly 4, and the rubber pads 7 are respectively consistent with the sliding block 3 and the baffle 2 in size and are respectively fixed on the sliding block 3 and the baffle 2 through screws. When the rubber pad 7 is used for clamping a workpiece, the rubber pad can deform to a certain extent, so that the clamping area of the workpiece is increased, the friction force of the rubber pad 7 is large, and the workpiece can be stably clamped and fixed.

Referring to fig. 2, in order to adapt to different sizes of workpieces due to different sizes of the workpieces, the vertical portion 51 includes a fixed sleeve 511, a sliding rod 512 slidably fitted in the fixed sleeve 511, and a locking member 513 disposed outside the fixed sleeve 511 for fixing the position of the sliding rod 512, wherein the upper end of the sliding rod 512 is fixedly connected to the horizontal portion 52.

Referring to fig. 3, the locking assembly 513 includes a sleeve 5131, a locking rod 5132, a limiting ring 5133 and a spring 5134, wherein one end of the sleeve 5131 is fixedly disposed on the side wall of the fixing sleeve 511, and the other end is closed. The lock rod 5132 is coaxially inserted into the sleeve 5131 and inserted into the fixing sleeve 511, the fixing sleeve 511 is provided with a limit ring 5133 on the lock rod 5132, the lock rod 5132 is sleeved with a spring 5134 for driving the lock rod 5132 to be inserted into the fixing sleeve 511, one end of the spring 5134 is pressed against the limit ring 5133, and the other end of the spring 5134 is pressed against the closed end of the sleeve 5131. The sliding rod 512 is fixedly provided with a rack 5121, and one end of the lock rod 5132 inserted into the fixed sleeve 511 is fixedly provided with a lock tooth 5135 which can be inserted between adjacent teeth of the rack 5121 to limit the upward movement of the sliding rod 512. The top surface of the locking teeth 5135 is provided with a guide inclined surface 5136, the length of the guide inclined surface 5136 is longer than that of the teeth of the rack 5121, and the guide inclined surface 5136 is gradually raised toward one end of the locking rod 5132. When the sliding rod 512 moves upwards, the teeth of the rack 5121 below the locking teeth 5135 abut against the locking teeth 5135 to prevent the sliding rod 512 from moving upwards, and when the sliding rod 512 moves downwards, the teeth of the rack 5121 above the locking teeth 5135 abut against the guide inclined plane 5136 to drive the locking rod 5132 to retract into the sleeve 5131, so that the sliding rod 512 moves downwards.

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 clamping device for drilling machine, sets up on the drilling machine workstation, its characterized in that: including setting up base (1) on the workstation, set firmly baffle (2) at base (1) both ends respectively, slide and set up slider (3) between two baffle (2), set up and be used for driving gliding top push subassembly (4) of slider (3) on base (1) and set up respectively and be used for pressing the pressure of holding the work piece on base (1) both sides near workstation outside baffle (2) and hold the subassembly, the pressure is held the subassembly and is including setting firmly stationary platen (5) of base (1) both sides respectively and sliding dynamic pressure plate (6) that set up in base (1) both sides respectively, stationary platen (5) set up the one end of keeping away from top push subassembly (4) in base (1), and dynamic pressure plate (6) set up the one end of keeping away from stationary platen (5) in base (1).

2. The clamping device for the drilling machine as claimed in claim 1, wherein: the pushing assembly (4) comprises a lead screw (41) and a nut (42), a through hole is formed in the baffle (2) close to the outer side of the workbench, the nut (42) is coaxially and fixedly arranged at the through hole, and the lead screw (41) penetrates through the nut (42) and the through hole to be rotatably connected to the sliding block (3) through a bearing.

3. The clamping device for the drilling machine as claimed in claim 2, wherein: and a rotating handle (43) is fixedly arranged at one end of the screw rod (41) far away from the sliding block (3).

4. The clamping device for the drilling machine as claimed in claim 1, wherein: and rubber pads (7) are respectively arranged on the sliding block (3) and one side opposite to the baffle (2) far away from one end of the pushing assembly (4).

5. The clamping device for the drilling machine as claimed in claim 1, wherein: the fixed pressing plate (5) and the movable pressing plate (6) respectively comprise a vertical part (51) and a horizontal part (52) vertically fixedly arranged at the upper end of the vertical part (51), the vertical part (51) of the fixed pressing plate (5) is fixedly arranged on the side surface of the base (1), and the vertical part (51) of the movable pressing plate (6) is arranged on the side surface of the base (1) in a sliding mode.

6. The clamping device for the drilling machine as claimed in claim 5, wherein: one side of the vertical part (51) of the movable platen (6) close to the base (1) is fixedly provided with a trapezoidal clamping block, the side wall of the base (1) along the length direction of the base (1) is provided with a sliding groove matched with the clamping block, and the clamping block is arranged in the sliding groove in a sliding manner.

7. The clamping device for the drilling machine as claimed in claim 5, wherein: the vertical part (51) comprises a fixed sleeve (511), a sliding rod (512) which is slidably sleeved in the fixed sleeve (511) and a locking component (513) which is arranged outside the fixed sleeve (511) and used for fixing the position of the sliding rod (512), wherein the upper end of the sliding rod (512) is connected with the horizontal part (52).

8. The clamping device for the drilling machine as claimed in claim 7, wherein: the locking assembly (513) comprises a sleeve (5131), a locking rod (5132) coaxially penetrating through the sleeve (5131) and inserted into the fixed sleeve (511), a limiting ring (5133) arranged on the locking rod (5132) and a spring (5134) arranged in the sleeve (5131) and used for driving the locking rod (5132) to be inserted into the fixed sleeve (511), wherein one end of the spring (5134) is fixedly arranged on the side wall of the fixed sleeve (511), the other end of the spring is hermetically pressed at the closed end of the sleeve (5131); the sliding rod (512) is provided with a rack (5121), and one end of the locking rod (5132) inserted into the fixing sleeve (511) is provided with a locking tooth (5135) inserted into the rack (5121) to limit the upward movement of the sliding rod (512).

9. The clamping device for the drilling machine as claimed in claim 8, wherein: the top surface of the locking tooth (5135) is provided with a guide inclined surface (5136), and the guide inclined surface (5136) is gradually raised towards one end of the locking rod (5132).