CN217452985U - Special fixture for blade drilling - Google Patents

Abstract

The utility model relates to a special fixture for blade drilling, which comprises a bottom plate, a stop block is arranged at the rear end of the upper side of the bottom plate, a mounting plate arranged at the upper end of the bottom plate is arranged at the front end of the stop block, a mounting groove is arranged at the upper end of the mounting plate, a cylinder corresponding to the mounting groove is arranged at the upper end of the bottom plate, the blade is placed in the mounting groove, the blade is pushed backwards by the cylinder, the blade is clamped and can be processed, the pneumatic clamping principle is utilized, the workpiece is rapidly and accurately clamped at one time, the operation is convenient, the clamping and the positioning are accurate and reliable, the size deviation of the hole distance of the processed part is reduced, the production efficiency and the product quality are improved, the labor intensity of workers is reduced, the traditional clamping mode is completely abandoned, the pneumatic clamping mode is improved, a new fixture is designed, two end surfaces are adopted for positioning, a tail stop block and a positioning groove which are in a vertical relation are used for positioning the workpiece at three sides, the positioning is accurate and the clamping is reliable, the processing precision is guaranteed, a plurality of pieces can be clamped simultaneously, and the production efficiency is improved.

Description

Special fixture for blade drilling

Technical Field

The utility model relates to an anchor clamps field especially relates to a blade drilling special fixture.

Background

I's CB28 fuel injection pump blade is not much different from other similar blades in terms of appearance, and is characterized by holes: it has spring hole, oil hole and chamfer hole. For such thin plate small parts with holes, the conventional method is to process holes on a bench drill, although the drilling force is not very large, whether the clamp design is reasonable or not directly relates to the production efficiency, the product quality and the labor intensity of workers, the traditional method is to use a vice or a flat tongs to clamp a workpiece, rotate a rotating arm of the bench drill to align to the position to be processed for processing, and each time the workpiece is clamped, manually loosen and lock the jaw to clamp the workpiece, so that clamping positioning is not accurate, the precision of the drilling position is poor, the hole pitch size of the product is out of tolerance, and due to frequent loosening and locking, a screw rod of the vice is extremely easy to damage, and the labor intensity of the vice is high, so the clamping method is limited to single-piece and small-batch production. For the production and processing of large-batch parts, the tool clamp adaptive to the product structure is required to be actively popularized and used in production, and the tool clamp has great significance for improving the product quality and the production efficiency and reducing the labor intensity of workers. In the actual production process, the clamp can accurately clamp the workpiece, has enough strength and rigidity, small volume and compact structure, is convenient to manufacture, install and operate, shortens the processing auxiliary time and improves the labor condition of workers.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a blade drilling special fixture, utilize the pneumatic clamping principle, realize once only quick, accurate clamping to the work piece, convenient operation.

The utility model provides a technical scheme that its technical problem adopted: the special fixture for drilling the blade comprises a bottom plate, wherein a stop block is arranged at the rear end of the upper side of the bottom plate, a mounting plate arranged at the upper end of the bottom plate is arranged at the front end of the stop block, a mounting groove is formed in the upper end of the mounting plate, a cylinder corresponding to the mounting groove is arranged at the upper end of the bottom plate, the blade is placed in the mounting groove, the cylinder pushes the blade backwards to clamp the blade for machining, the pneumatic clamping principle is utilized to realize one-time quick and accurate clamping of a workpiece, the operation is convenient, the clamping and positioning are accurate and reliable, the size deviation of the hole distance of the machined part is reduced, the production efficiency and the product quality are improved, the labor intensity of workers is reduced, the traditional clamping mode is completely abandoned, the pneumatic clamping mode is improved, a new fixture is designed, two end surfaces are adopted for positioning, a tail stop block and a positioning groove which are in a vertical relation are used for positioning three surfaces of the workpiece, the positioning is accurate and reliable in clamping, and the machining precision is ensured, meanwhile, a plurality of pieces can be clamped, the production efficiency is improved, manual clamping is replaced by pneumatic clamping, the labor intensity is reduced, the connecting structure is simple, the operation is convenient, the cost is low, the positioning and clamping are reliable, a direct clamping mode can be adopted, the structural size is small, and the pneumatic clamping device is particularly suitable for positioning and clamping of machine tools and mechanical equipment.

In order to further improve the structure, the lower end of the mounting groove is provided with a tool withdrawal groove formed in the mounting plate, so that the blade can be processed into a through groove, and the application range of the clamp is wider.

Further perfect, the mounting groove lower extreme left and right sides all is equipped with the stress groove of opening on the mounting panel, the constant head tank has all been opened at both ends about the bottom plate, and the stress groove can reduce stress concentration for the life of anchor clamps is longer, and the constant head tank makes anchor clamps installation more convenient.

The blade retaining device is further perfect, and the front end of the stop block is provided with a groove, so that negative pressure is prevented from being generated when the blade is in contact with the stop block, and the blade is not easy to take out.

Further perfect, the cylinder rear end fixedly connected with ejector pad, the area of contact of increase cylinder and blade avoids causing the damage to the blade.

Further perfect, sliding connection has the backup pad in the mounting groove, and backup pad rear end, left end and right-hand member are all fixedly connected with curb plate, and open the backup pad upper end have with the spread groove that the tool withdrawal groove is corresponding, and the backup pad can be dismantled and be connected in the mounting groove for the workman can place the backup pad upper end with the blade earlier, places the mounting groove with the backup pad in again, makes anchor clamps in the course of working, also can install the blade, makes the machining efficiency of anchor clamps higher, uses safe and reliable more.

Further perfect, the backup pad front end left and right sides all fixedly connected with baffle avoids the backup pad to place the blade when the mounting groove in and drops.

Further perfect, curb plate upper end fixedly connected with roof opens on the roof and has the intercommunication groove corresponding with the tool withdrawal groove, after blade one end processing was accomplished, can overturn the backup pad for the backup pad is located the blade upper end, makes the other end of blade also can process, makes the application scope of anchor clamps wider.

Further perfect, the left end and the right-hand member of curb plate all install the handle on the right-hand member of curb plate for it is more convenient to dismantle the backup pad.

Further perfect, the handle rotates to be connected on the curb plate, and both ends all are equipped with the standing groove of opening in the mounting panel upper end about the mounting groove for anchor clamps use more convenient, can place the handle in the standing groove, avoid interfering the processing of blade, make the result of use of anchor clamps better.

The utility model discloses profitable effect is: the utility model discloses improved design fixes anchor clamps at numerically-controlled drilling machine, utilize the pneumatic tight principle of clamp, realize the disposable quick, accurate clamping to the work piece, convenient operation presss from both sides tight location accurate reliable, reduces the dimensional deviation of processing part pitch-row, improves production efficiency and product quality, alleviates workman intensity of labour. The pneumatic clamping fixture has the advantages that the traditional clamping mode is completely abandoned, the pneumatic clamping mode is improved, a new fixture is designed, two end faces are used for positioning, the tail stop block and the positioning groove which are in a vertical relation are used for positioning three faces of a workpiece, the positioning is accurate, the clamping is reliable, the machining precision is guaranteed, a plurality of pieces can be clamped simultaneously, the production efficiency is improved, the pneumatic clamping replaces manual clamping, the labor intensity is reduced, the connecting structure is simple, the operation is convenient, the cost is low, the positioning clamping is reliable, the direct clamping mode can be adopted, the structural size is small, and the pneumatic clamping fixture is particularly suitable for positioning and clamping of machine tools and mechanical equipment.

Drawings

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

fig. 2 is a top view of the present invention;

fig. 3 is a front view of the mounting plate of the present invention;

fig. 4 is a schematic structural view of the stopper of the present invention;

fig. 5 is a schematic structural view of the present invention;

fig. 6 is a schematic structural view of the support plate of the present invention;

fig. 7 is a schematic structural view of the support plate of the present invention.

Description of reference numerals: 1. a base plate; 11. positioning a groove; 2. a stopper; 21. a groove; 3. mounting a plate; 31. mounting grooves; 32. a stress slot; 33. a tool withdrawal groove; 34. a placement groove; 4. a cylinder; 41. a push block; 5. a support plate; 51. a side plate; 52. connecting grooves; 53. a baffle plate; 54. a handle; 55. a top plate; 551. a communicating groove.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-4: the embodiment of a blade drilling special fixture, comprising a base plate 1, dog 2 is installed to 1 upper side rear end of bottom plate, it has recess 21 to open 2 front ends of dog, 2 front ends of dog are equipped with the mounting panel 3 of installing in 1 upper end of bottom plate, it has mounting groove 31 to open the 3 upper ends of mounting panel, 1 upper ends of bottom plate install the cylinder 4 corresponding with mounting groove 31, 4 rear end fixedly connected with ejector pad 41 of cylinder, mounting groove 31 lower extreme is equipped with the tool withdrawal groove 33 of opening on mounting panel 3, the mounting groove 31 lower extreme left and right sides all is equipped with the stress groove 32 of opening on mounting panel 3, constant head tank 11 has all been opened at both ends about bottom plate 1.

As shown in fig. 5-6: a supporting plate 5 is slidably connected in the mounting groove 31, a side plate 51 is fixedly connected at the rear end, the left end and the right end of the supporting plate 5, a connecting groove 52 corresponding to the tool withdrawal groove 33 is formed at the upper end of the supporting plate 5, and a baffle 53 is fixedly connected at the left side and the right side of the front end of the supporting plate 5.

As shown in fig. 5 and 7: the top plate 55 is fixedly connected to the upper end of the side plate 51, the top plate 55 is provided with a communication groove 551 corresponding to the tool withdrawal groove 33, handles 54 are mounted on the left end of the left side plate 51 and the right end of the right side plate 51, the handles 54 are rotatably connected to the side plate 51, and the left end and the right end of the mounting groove 31 are provided with the placing grooves 34 arranged at the upper end of the mounting plate 3.

The utility model discloses when using: place backup pad 5 upper end with the blade, place mounting groove 31 inboard with backup pad 5 through handle 54, cylinder 4 drives ejector pad 41 and moves backward, and ejector pad 41 presss from both sides the blade tightly, can process the blade, and the staff can place the spare backup pad 5 upper end with the blade with adding man-hour, and the blade processing is accomplished the back, and it can to repeat above-mentioned step.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various blade hole-drilling specific fixtures in form and detail may be made within the scope of the appended claims.

Claims (5)

1. The utility model provides a blade drilling special fixture, includes bottom plate (1), characterized by: the rear end of the upper side of the bottom plate (1) is provided with a stop block (2), the front end of the stop block (2) is provided with a mounting plate (3) arranged at the upper end of the bottom plate (1), the upper end of the mounting plate (3) is provided with a mounting groove (31), the upper end of the bottom plate (1) is provided with a cylinder (4) corresponding to the mounting groove (31), the lower end of the mounting groove (31) is provided with a tool withdrawal groove (33) arranged on the mounting plate (3), the left side and the right side of the lower end of the mounting groove (31) are both provided with stress grooves (32) arranged on the mounting plate (3), locating slot (11) have all been opened at both ends about bottom plate (1), and dog (2) front end is opened flutedly (21), and cylinder (4) rear end fixedly connected with ejector pad (41), sliding connection has backup pad (5) in mounting groove (31), and backup pad (5) rear end, left end and right-hand member are all fixedly connected with curb plate (51), and open in backup pad (5) upper end has spread groove (52) corresponding with tool withdrawal groove (33).

2. The special blade drilling clamp as claimed in claim 1, wherein: the left side and the right side of the front end of the supporting plate (5) are fixedly connected with baffle plates (53).

3. The special blade drilling clamp as claimed in claim 1, wherein: the upper end of the side plate (51) is fixedly connected with a top plate (55), and the top plate (55) is provided with a communicating groove (551) corresponding to the tool withdrawal groove (33).

4. The special blade drilling clamp according to claim 2 or 3, wherein: handles (54) are mounted on the left end of the left end side plate (51) and the right end of the right end side plate (51).

5. The special blade drilling clamp as claimed in claim 4, wherein: the handle (54) is rotatably connected to the side plate (51), and the left end and the right end of the mounting groove (31) are provided with placing grooves (34) which are arranged at the upper end of the mounting plate (3).

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