CN216680300U - Drilling device for processing six small holes of bullet holder - Google Patents
Drilling device for processing six small holes of bullet holder Download PDFInfo
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- CN216680300U CN216680300U CN202122655885.7U CN202122655885U CN216680300U CN 216680300 U CN216680300 U CN 216680300U CN 202122655885 U CN202122655885 U CN 202122655885U CN 216680300 U CN216680300 U CN 216680300U
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Abstract
The utility model provides a drilling device for machining six small holes in a bullet holder, belongs to the technical field of manufacturing of armor piercing bullets of certain models, and solves the problem that the six small holes in the bullet holder of the armor piercing bullet are difficult to position when the armor piercing bullet is machined. A drilling device for processing six small holes of a bullet holder is characterized by comprising a connecting mechanism, a clamping mechanism, a pneumatic pressing mechanism and a drill jig mechanism; the connecting mechanism comprises a guide post (1) and a bottom plate (7); the guide post (1) is embedded into the corresponding through hole on the bottom plate (7); the connecting mechanism, the clamping mechanism, the pneumatic pressing mechanism and the drill jig mechanism are mutually matched, and a pneumatic pressing mode is adopted, so that the strength is soft, and the surface of the elastic support is effectively protected; the drill jig is used for ensuring the precision of drilling, the processing consistency is high, and different drill jigs can be replaced according to the drilling quantity and the precision requirement. And the positioning shaft jack design is adopted, so that the workpiece is prevented from rotating.
Description
Technical Field
The utility model belongs to the technical field of manufacturing of armor-piercing bullets, and particularly relates to a drilling device for machining six small holes in an armor-piercing bullet support.
Background
As shown in fig. 1, the six small holes of a certain product cartridge receiver are located in the windward groove, and during processing, due to the absence of a special fixture, the processing is difficult to implement, and the following difficulties exist:
1. the product structure is complicated, and the clamping degree of difficulty is big:
as shown in figure 1, the shape of the bullet holder is saddle-shaped and caudal vertebra-shaped, the structure is complex, and the size is longer. The six small holes to be processed are positioned on the curved surface of the windward slot, and vibration is easy to occur in the processing process.
2. Clamping is easy to deform:
the bullet holds in the palm is aluminium system material, easily collides with the extrusion and is impaired. Meanwhile, the bullet holder is already processed by part of the finish milling appearance procedures. The design of the clamp not only ensures accurate positioning, but also prevents deformation caused by overlarge clamping force.
3. The operation is inconvenient:
the elastic support belongs to a large part and is difficult to operate when a workpiece is loaded and unloaded on a drilling machine.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is as follows:
the utility model provides a drilling equipment when processing bullet holds in palm "six apertures", solves the problem that is difficult to the location when processing armour piercing bullet holds in palm "six apertures".
The technical scheme of the utility model is as follows: a drilling device for processing six small holes of a bullet holder is characterized by comprising a connecting mechanism, a clamping mechanism, a pneumatic pressing mechanism and a drill jig mechanism; the connecting mechanism comprises a guide post (1) and a bottom plate (7); the guide post (1) is embedded into the corresponding through hole on the bottom plate (7); the clamping mechanism comprises a lower seat (6), a support (15), a positioning shaft (16), a handle (17), a spring (20) and a stop screw (22); the lower seat (6) is fixed on the bottom plate (7), and the lower seat (6) is internally provided with a spring support; fixing the support (15) on the bottom plate (7); the stop screw (22) is fixed on the support (15), the stop screw (22) is matched in a pin hole of the positioning shaft (16), the positioning shaft (16) is sleeved with the spring (20) and then is integrally installed in a corresponding hole of the support (15), and the other end of the positioning shaft (16) is connected with the handle (17); the pneumatic pressing mechanism consists of a screwing nut (2), an upper plate (3), a guide sleeve (5), a supporting spring (9), an air cylinder (10), an air cylinder piston rod (11) and an air nozzle (14); the air tap (14) is connected with a pneumatic pump, a piston rod (11) of the air cylinder is pushed to move through the air cylinder (10), and the piston rod (11) is connected with the upper plate (3); the upper plate (3) is positioned above the bullet holder; the supporting spring (9) and the guide sleeve are sleeved on the guide post (1); the upper plate (3) is positioned above the step of the guide sleeve (5), and the shaft holes of the upper plate and the guide sleeve are matched; the cylinder piston rod (11) is in shaft hole clearance fit with the upper plate (3), and the tightening nut (2) is connected to the cylinder piston rod (11) and is positioned on the upper plate (3); the drill jig mechanism comprises a drill jig (4), the drill jig (4) is fixed on the upper plate (3), and six holes in the drill jig are consistent with holes to be processed in the cartridge support D.
The utility model has the following effects:
the utility model solves the clamping problem when the elastic support is processed into the six-hole, provides an effective model for reference for the processing process, and has the advantages that:
1. the structure is simple and compact, different drilling requirements can be met by replacing the drill jig, and the universality is high;
2. the mounting is easy, the use is simple and convenient, the product consistency is high, and the method is suitable for batch production;
3. the drilling tool has an extended application prospect, and can be used for drilling the end faces of the revolved bodies of different sizes by adjusting the diameter of the lower seat and the height of the upper plate; the number and the size of the apertures on the drill jig are adjusted, so that different drilling requirements can be met.
Drawings
Fig. 1 is a three-dimensional position schematic diagram of a six-hole bullet-holding workpiece.
Fig. 2 is a two-dimensional half-section front view of the present invention.
Fig. 3 is a two-dimensional top view of the present invention.
Fig. 4 is an exploded view of the three-dimensional assembly of the present invention.
Fig. 5 is a three-dimensional assembly drawing of the present invention.
FIG. 6 is a three-dimensional effect diagram of the part clamping of the present invention.
Fig. 7 is a schematic view of a drilling process.
Wherein: the drilling machine comprises a guide pillar 1, a tightening nut 2, an upper plate 3, a drill jig 4, a guide sleeve 5, a lower seat 6, a bottom plate 7, a bolt 8, a support spring 9, an air cylinder 10, an air cylinder piston rod 11, a conical washer 12, a screw 13, an air nozzle 14, a support 15, a positioning shaft 16, a handle 17, a pin 18, a nut 19, a spring 20, a screw 21, a stop screw 22, an m-six-small-hole position, a D-elastic support and an f-drill bit advancing direction.
Detailed Description
As shown in fig. 2 and 3, the main components of the present invention are a guide pillar 1, a tightening nut 2, an upper plate 3, a drill jig 4, a guide sleeve 5, a lower seat 6, a bottom plate 7, a T-bolt 8, a support spring 9, a cylinder 10, a cylinder piston rod 11, a conical washer 12, a screw 13, an air tap 14, a support 15, a positioning shaft 16, a handle 17, and a pin 18; nut 19, spring 20, screw 21, stop screw 22.
The mechanism is functionally divided into 4 mechanisms, namely a connecting mechanism, a clamping mechanism, a pneumatic pressing mechanism and a drilling jig mechanism, and the assembly process refers to figures 4 and 5.
The connecting mechanism consists of a guide pillar 1, a bottom plate 7 and a T-shaped bolt 8 and is used for connecting and fixing the device and a drilling machine working platform. The guide post 1 is embedded into a corresponding through hole on the bottom plate 7, and interference fit is formed between the guide post and the corresponding through hole, so that the device and the working table of the drilling machine cannot rotate relatively; the base plate 7 is secured to the drill table using T-bolts 8.
The clamping mechanism consists of a lower seat 6, a screw 13, a support 15, a positioning shaft 16, a handle 17, a nut 19, a spring 20, a screw 21 and a stop screw 22 and is used for determining the clamping position of the elastic support. During assembly, the lower seat 6 is fixed on the bottom plate 7 by using the screw 13, and the elastic support is arranged from the opening of the lower seat 6 to determine the clamping height of the elastic support; then the support 15 is fixed on the bottom plate 7 by the screw 13; finally, a stop screw 22 is arranged in a pin hole of the positioning shaft 16, the stop screw is integrally arranged in a corresponding hole of the support 15 after being sleeved with a spring 27, and the other end of the hole is connected with the handle 17 through threads.
When in use, the handle 17 is pulled out to drive the positioning shaft 16 to leave the bullet holder clamping position; then the bullet holder D is placed on the lower seat 06, and the bullet holder D is rotated to enable the positioning hole of the bullet holder D to be aligned with the positioning shaft 16; finally, the handle 17 is released, and the positioning shaft 16 is inserted into the positioning hole of the bullet holder D under the driving of the spring 27, so as to ensure that the bullet holder D does not rotate.
The pneumatic pressing mechanism consists of a tightening nut 2, an upper plate 3, a guide sleeve 5, a supporting spring 9, an air cylinder 10, an air cylinder piston rod 11, a conical washer 12 and an air tap 14. The air tap 14 is connected with a pneumatic pump, and the air cylinder 10 pushes the air cylinder piston rod 11 to move so as to drive the upper plate 3 to compress the elastic support D, so that the parts are prevented from moving axially in the machining process.
The supporting spring 9 is arranged on the guide post 1, and the guide sleeve 5 is sleeved on the guide post 1, is loosely matched with the guide post 1 and can slide up and down; the upper plate 3 and the guide sleeve 5 are in shaft hole fit and interference fit; the cylinder piston rod 11 is matched with the upper plate 1 in a shaft hole and in clearance fit, and the cylinder piston rod 11 is fixed on the upper plate 3 through the conical washer 12 and the tightening nut 2. The guide sleeve 5, the cylinder piston rod 11 and the upper plate 3 form an integral component, and compression and relaxation of the elastic support D are realized along with up-and-down movement of the cylinder piston rod 11.
The jig mechanism consists of a jig 4 and a screw 13. The jig 4 is fixed to the upper plate 3 using screws 13. Six holes on the drill jig are consistent with the hole positions to be processed on the bullet support D. And during machining, the drill is guided by using the drill jig, and six holes are machined on the bullet support D at one time.
As shown in fig. 6 and 7, the operation process of the present invention is:
(1) the cylinder 10 is charged and the upper plate 3 is removed;
(2) pulling the handle 17 to pull out the positioning shaft 16;
(3) placing the bullet holder D on the lower seat 6, rotating the bullet holder D to enable the positioning hole of the bullet holder D to be aligned with the positioning shaft 16, loosening the handle 17, and inserting the positioning shaft 16 into the positioning hole;
(4) the cylinder 10 exhausts, the upper plate 3 moves downwards to press the elastic support D;
(5) and starting the drilling machine, and feeding the drill downwards to machine six small holes.
(6) Repeating the steps (1) and (2);
(7) and taking out the bullet holder D, and finishing the processing.
Key point of the utility model
1. A pneumatic pressing mode is adopted, the force is soft, and the surface of the bullet holder is effectively protected;
2. the drill jig is used for ensuring the precision of drilling, the processing consistency is high, and different drill jigs can be replaced according to the drilling quantity and the precision requirement.
3. The positioning shaft jack design is adopted, so that the workpiece is prevented from rotating;
4. the connecting mechanism, the clamping mechanism, the pneumatic pressing mechanism and the drill jig mechanism are matched with each other, and meanwhile, the connecting mechanism, the clamping mechanism, the pneumatic pressing mechanism and the drill jig mechanism are definite in labor division, relatively independent, high in fault tolerance rate and convenient to maintain.
Claims (10)
1. A drilling device for processing six small holes of a bullet holder is characterized by comprising a connecting mechanism, a clamping mechanism, a pneumatic pressing mechanism and a drill jig mechanism;
the connecting mechanism comprises a guide post (1) and a bottom plate (7); the guide post (1) is embedded into the corresponding through hole on the bottom plate (7);
the clamping mechanism comprises a lower seat (6), a support (15), a positioning shaft (16), a handle (17), a spring (20) and a stop screw (22); the lower seat (6) is fixed on the bottom plate (7), and the lower seat (6) is internally provided with a spring support; fixing the support (15) on the bottom plate (7); the stop screw (22) is fixed on the support (15), the stop screw (22) is matched in a pin hole of the positioning shaft (16), the positioning shaft (16) is sleeved with the spring (20) and then is integrally installed in a corresponding hole of the support (15), and the other end of the positioning shaft (16) is connected with the handle (17);
the pneumatic pressing mechanism consists of a screwing nut (2), an upper plate (3), a guide sleeve (5), a supporting spring (9), an air cylinder (10), an air cylinder piston rod (11) and an air nozzle (14); the air tap (14) is connected with a pneumatic pump, a piston rod (11) of the air cylinder is pushed to move through the air cylinder (10), and the piston rod (11) is connected with the upper plate (3); the upper plate (3) is positioned above the bullet holder; the supporting spring (9) and the guide sleeve are sleeved on the guide post (1); the upper plate (3) is positioned above the step of the guide sleeve (5), and the shaft holes of the upper plate and the guide sleeve are matched; the cylinder piston rod (11) is in shaft hole clearance fit with the upper plate (3), and the tightening nut (2) is connected to the cylinder piston rod (11) and is positioned on the upper plate (3);
the drill jig mechanism comprises a drill jig (4), the drill jig (4) is fixed on the upper plate (3), and six holes in the drill jig are consistent with holes to be processed in the cartridge support D.
2. A drilling device for machining six small holes in elastic supports according to claim 1, characterized in that the connecting mechanism is fixedly connected with the working platform of the drilling machine, the guide post (1) is inserted into the corresponding through hole of the bottom plate (7), and an interference fit is formed between the guide post and the corresponding through hole, so that the device and the working platform of the drilling machine cannot rotate relatively.
3. The drilling apparatus for machining six small holes in a cartridge receiver as claimed in claim 2, wherein the base plate is secured to the table of the drilling machine by T-bolts.
4. The apparatus of claim 1, wherein the retainer D is rotated to align the locating hole with the locating shaft.
5. A drilling device for machining six small holes in ammunition holders according to claim 1, characterized in that the lower seat (6) is cylindrical with an opening at one side.
6. The drilling device for machining six small holes in bullet holders according to claim 1, wherein a conical washer is arranged below the tightening nut (2).
7. A drilling device for machining six small holes in ammunition holders according to claim 1, characterized in that the stop screw (22) is fixed in the connecting pin hole of the support (15).
8. The drilling device for machining six small holes in a bullet holder as set forth in claim 1, wherein the pin hole of the positioning shaft (16) to be engaged with the stop screw (22) is an oblong hole.
9. The drilling device for machining six small holes in bullet holders according to claim 1, wherein the drill jig mechanism is composed of a drill jig and screws (13), and the drill jig (4) is fixed on the upper plate (3) by the screws (13).
10. The drilling device for machining six small holes in a cartridge tray according to claim 1, wherein a drill is guided by a drill jig during machining, and six holes are machined in the cartridge tray D at one time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122655885.7U CN216680300U (en) | 2021-11-01 | 2021-11-01 | Drilling device for processing six small holes of bullet holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122655885.7U CN216680300U (en) | 2021-11-01 | 2021-11-01 | Drilling device for processing six small holes of bullet holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216680300U true CN216680300U (en) | 2022-06-07 |
Family
ID=81832552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122655885.7U Active CN216680300U (en) | 2021-11-01 | 2021-11-01 | Drilling device for processing six small holes of bullet holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216680300U (en) |
-
2021
- 2021-11-01 CN CN202122655885.7U patent/CN216680300U/en active Active
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