CN210588243U

CN210588243U - Clamp for drilling axial deep hole of cylinder part of pneumatic pick

Info

Publication number: CN210588243U
Application number: CN201921522467.7U
Authority: CN
Inventors: 李献春
Original assignee: Tianshui Pneumatic Machinery Co ltd
Current assignee: Tianshui Pneumatic Machinery Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-22
Anticipated expiration: 2029-09-12

Abstract

The utility model belongs to the technical field of boring grab, an anchor clamps of drilling pneumatic pick cylinder body part axial deep hole is disclosed, problem that exists in the drilling of the cylinder body part axial deep hole of pneumatic pick among the solution prior art, this anchor clamps include demountable installation the horizontal location board on the workstation, one side of horizontal location board is fixed with vertical locating plate, open upper portion one side of vertical locating plate has the anchor clamps breach that is used for the drilling, still inlay on the vertical locating plate and be equipped with the location axle, the one end and the vertical locating plate of location axle can be dismantled and be connected, the epaxial dress of location is equipped with and treats drilling cylinder body part, the axle head of location axle is equipped with and is used for the restriction to treat the stop device of drilling cylinder body part axial float, and be equipped with the locating pin that is used for restricting drilling cylinder body part circumference float between the terminal. The clamp is used on a special deep hole drilling machine, two drilling machines can be operated by one person to work simultaneously, and the working efficiency is improved by 4 times compared with that of a single drilling machine. Has strong practicability.

Description

Clamp for drilling axial deep hole of cylinder part of pneumatic pick

Technical Field

The utility model relates to a boring grab technical field, concretely relates to anchor clamps of drilling pneumatic pick cylinder body part axial deep hole.

Background

At present, cylinder body parts of domestic pneumatic picks are drilled on a radial drilling machine in an axial direction and in an ultra-deep hole mode, and due to the fact that the number of holes to be drilled is large, the cylinder body parts need to be manually and continuously retreated to be arranged and cut in the drilling process to prevent a drill bit from being broken, machining efficiency of the parts is low, the cylinder body parts are difficult to adapt to the requirement of mass production, and therefore the drilling mode needs to be improved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, the higher anchor clamps of drilling pneumatic pick cylinder body part axial deep hole of practicality in order to solve the problem that exists in the drilling of the cylinder body part axial deep hole of pneumatic pick among the prior art.

The utility model provides an anchor clamps of drilling pneumatic pick cylinder body part axial deep hole, including the horizontal location board of demountable installation on the workstation, one side of horizontal location board is fixed with vertical positioning plate, open upper portion one side of vertical positioning plate has the anchor clamps breach that is used for the drilling, still inlay on the vertical positioning plate and be equipped with the location axle, the one end and the vertical positioning plate of location axle can be dismantled and be connected, the epaxial cylinder body part of waiting to drill that is equipped with in location, the axle head of location axle is equipped with the stop device who is used for the restriction to wait to drill the cylinder body part axial float, and be equipped with the locating pin that is used for restricting the drilling cylinder body part circumference float between the.

Furthermore, one end of the positioning shaft is provided with a positioning convex shoulder, the positioning convex shoulder is detachably connected with the vertical positioning plate, a convex shoulder notch matched with the clamp notch is formed in the positioning convex shoulder, and the end face of the cylinder part to be drilled is in contact with the positioning convex shoulder.

Furthermore, the limiting device comprises a threaded rod in threaded connection with the inner side of the positioning shaft, the positioning shaft is sleeved with the cylinder body part to be drilled, a locking nut is arranged after the end portion of the threaded rod extends out of the positioning shaft, and the locking nut is in contact with the end face of the cylinder body part to be drilled.

Furthermore, an opening gasket is arranged between the locking nut and the end face of the cylinder part to be drilled.

Furthermore, a first cylindrical pin is arranged at the joint of the threaded rod and the positioning shaft.

Furthermore, the positioning shoulder and the vertical positioning plate are positioned through a hexagon socket screw and a second cylindrical pin.

Furthermore, reinforcing rib plates are welded between the two sides of the horizontal positioning plate and the vertical positioning plate.

Furthermore, two groups of fixture positioning holes are formed in the middle of the horizontal positioning plate, positioning keys are arranged in the fixture positioning holes in a pressing mode, one ends of the positioning keys are arranged in workbench positioning holes formed in the workbench, and the horizontal positioning plate is connected with the workbench through bolts.

Furthermore, the horizontal positioning plate is provided with a plurality of strip-shaped bolt holes, and T-shaped bolts and nuts are arranged in the strip-shaped bolt holes.

Furthermore, a round hole is formed in the vertical positioning plate, a bushing is pressed in the round hole in an interference fit mode, and a positioning pin is installed in the bushing.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses the anchor clamps of drilling air pick cylinder body part axial deep hole are through installing horizontal location board location on the workstation, will treat drilling cylinder body part suit in the epaxial location of location and install in one side of vertical location board, the anchor clamps breach through upper portion one side of vertical location board can be used for the drilling, stop device through the axle head of location axle can restrict and treat drilling cylinder body part axial float, can restrict through the locating pin and treat drilling cylinder body part circumference float, and the locating pin is the index pin concurrently, realized drilling one on one set of anchor clamps and treated the hole of two positions on the drilling cylinder body part, this anchor clamps use on special deep hole drilling machine, one person's two drilling machine simultaneous workings of operatable, work efficiency improves 4 times than single drilling machine, have very strong practicality.

The utility model discloses the location convex shoulder of the one end of location axle passes through hexagon socket head cap screw location with vertical locating plate to be connected, and it is more convenient that the installation is dismantled, and the convex shoulder breach on the convex shoulder of location for make things convenient for the drilling.

The utility model discloses a stop device include with the axle head of location axle inboard threaded connection's threaded rod, it is more convenient that the installation is dismantled, and will have the lock nut and the opening packing ring of waiting to drill the cylinder body part and installing the tip at threaded rod and the epaxial back threaded rod of location and screw up the location.

The utility model discloses a threaded rod and location axle junction prevent through first cylindric lock that relative motion takes place between threaded rod and the location axle when the drilling, make and treat drilling cylinder body part drilling and take place the error.

The utility model discloses an increase the intensity of anchor clamps through welding deep floor between horizontal positioning board's both sides and the vertical positioning board.

The utility model discloses a horizontal positioning board passes through the navigation key and is connected with the workstation, and the position of guaranteeing to take the drilling part is accurate, and installs horizontal positioning board on the workstation through rectangular bolt hole and T type bolt and nut, can set fixture's position through rectangular bolt hole, and then guarantees the degree of depth of drilling.

The utility model discloses interference fit has pressed the bush in the hole of vertical locating plate, can protect vertical locating plate not worn and torn, can change after the bush wearing and tearing.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a top view of the present invention with the positioning shaft removed.

The reference numerals have the following meanings: 1. locking the nut; 2. a split washer; 3. a threaded rod; 4. a first cylindrical pin; 5. positioning the shaft; 6. a socket head cap screw; 7. positioning pins; 8. a second cylindrical pin; 9. a positioning key; 10. a horizontal positioning plate; 11. a bushing; 12. a vertical positioning plate; 13. cylinder parts to be drilled; 14. positioning a shoulder; 15. reinforcing rib plates; 16. and (4) a clamp notch.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1-3, a fixture for drilling an axial deep hole in a cylinder part of an air pick comprises a horizontal positioning plate 10 detachably mounted on a workbench, two sets of fixture positioning holes are formed in the middle of the horizontal positioning plate 10, positioning keys 9 are press-mounted in the fixture positioning holes, the lower ends of the positioning keys 9 are mounted in the workbench positioning holes formed in the workbench, a plurality of strip-shaped bolt holes 17 are formed in the horizontal positioning plate 10, and T-shaped bolts and nuts are mounted in the strip-shaped bolt holes 17. A vertical positioning plate 12 is fixedly welded on one side of the horizontal positioning plate 10, and reinforcing rib plates 15 are welded between the two sides of the horizontal positioning plate 10 and the vertical positioning plate 12. One side of the upper portion of the vertical positioning plate 12 is provided with a clamp notch 16 for drilling, the vertical positioning plate 12 is further embedded with a positioning shaft 5, one end of the positioning shaft 5 is provided with a positioning convex shoulder 14 which is integrated with the positioning shaft 5 into a whole, and the positioning convex shoulder 14 and the vertical positioning plate 12 are positioned through a hexagon socket head cap screw 6 and a second cylindrical pin 8. The positioning shoulder 14 is provided with a shoulder notch matched with the clamp notch 16, and the end surface of the cylinder part 13 to be drilled is contacted with the positioning shoulder 14. And a positioning pin 7 for limiting the circumferential movement of the drilling cylinder part 13 is arranged between the end surface of the drilling cylinder part 13 and the vertical positioning plate 12. And a circular hole is formed in the vertical positioning plate 12, a bushing 11 is arranged in the circular hole in an interference fit manner, a positioning pin 7 is arranged in the bushing 11, and one end of the positioning pin 7 is connected with the drilling cylinder part 13 and used for limiting the circumferential movement of the drilling cylinder part 13.

The inner side of the positioning shaft 5 is in threaded connection with a threaded rod 3, and a first cylindrical pin 4 is arranged at the joint of the threaded rod 3 and the positioning shaft 5. The positioning shaft 5 is sleeved with a cylinder part 13 to be drilled, and the threaded rod 3 extends out of the positioning shaft 5 and is provided with a locking nut 1. An open washer 2 is arranged between the locking nut 1 and the end surface of the cylinder part 13 to be drilled.

When the fixture works, two sets of the fixture are arranged on one drilling machine, a cylinder part 13 to be drilled is sleeved on the positioning shaft 5, one end of the cylinder part is positioned through the positioning pin 7, and the other end of the cylinder part is tightly pressed on the drilling cylinder part 13 through the locking nut 1 and the opening washer 2 sleeved on the threaded rod 3. After the cylinder parts 13 to be drilled are respectively clamped, the drilling feed button of the main shaft of the drilling machine is pressed, two long drill bits start to automatically drill deep holes at the same position of the two cylinder parts 13 to be drilled at the same time, and when an axial hole is drilled to a required depth, the tool withdrawal starting position is controlled by a stroke switch, so that the drilling of the axial deep hole at one position of the cylinder parts 13 to be drilled is completed. Then the cylinder body part 13 to be drilled is loosened, the positioning pin 7 is pulled out, then the cylinder body part 13 to be drilled is rotated to the next positioning hole, then the positioning pin 7 is inserted, the hexagonal nut 1 and the opening gasket 2 are used for tightly pressing the cylinder body part 13 to be drilled, and a deep hole at another position is drilled. Therefore, the labor intensity of operators is reduced, and the purpose of improving the production efficiency is achieved.

Claims

1. The utility model provides an anchor clamps of drilling pneumatic pick cylinder body part axial deep hole which characterized by: the drilling machine comprises a horizontal positioning plate (10) detachably mounted on a workbench, a vertical positioning plate (12) is fixed to one side of the horizontal positioning plate (10), a clamp notch (16) for drilling is formed in one side of the upper portion of the vertical positioning plate (12), a positioning shaft (5) is further embedded in the vertical positioning plate (12), one end of the positioning shaft (5) is detachably connected with the vertical positioning plate (12), a to-be-drilled cylinder part (13) is mounted on the positioning shaft (5), a limiting device used for limiting the to-be-drilled cylinder part (13) to axially move is arranged at the shaft end of the positioning shaft (5), and a positioning pin (7) used for limiting the circumferential move of the to-be-drilled cylinder part (13) is mounted between the end face of the to-be-drilled cylinder part (13) and.

2. The clamp for drilling the axial deep hole of the cylinder part of the air pick according to claim 1, which is characterized in that: one end of the positioning shaft (5) is provided with a positioning convex shoulder (14), the positioning convex shoulder (14) is detachably connected with the vertical positioning plate (12), a convex shoulder notch matched with the clamp notch (16) is formed in the positioning convex shoulder (14), and the end face of the cylinder part (13) to be drilled is in contact with the positioning convex shoulder (14).

3. The clamp for drilling the axial deep hole of the cylinder part of the air pick according to the claim 1 or 2, which is characterized in that: the limiting device comprises a threaded rod (3) in threaded connection with the inner side of a positioning shaft (5), a cylinder part (13) to be drilled is sleeved on the positioning shaft (5), a locking nut (1) is installed on the end portion of the threaded rod (3) after extending out of the positioning shaft (5), and the locking nut (1) is in contact with the end face of the cylinder part (13) to be drilled.

4. The clamp for drilling the axial deep hole of the cylinder part of the air pick according to claim 3, wherein: an opening gasket (2) is arranged between the locking nut (1) and the end face of the cylinder body part (13) to be drilled.

5. The clamp for drilling the axial deep hole of the cylinder part of the air pick according to claim 4, wherein: and a first cylindrical pin (4) is arranged at the joint of the threaded rod (3) and the positioning shaft (5).

6. The clamp for drilling the axial deep hole of the cylinder part of the air pick according to claim 2, wherein: the positioning shoulder (14) and the vertical positioning plate (12) are positioned through the inner hexagonal screw (6) and the second cylindrical pin (8).

7. The clamp for drilling the axial deep hole of the cylinder part of the air pick according to claim 5, wherein: reinforcing rib plates (15) are welded between the two sides of the horizontal positioning plate (10) and the vertical positioning plate (12).

8. The clamp of claim 7, wherein the clamp comprises: the middle part of the horizontal positioning plate (10) is provided with two groups of fixture positioning holes, positioning keys (9) are arranged in the fixture positioning holes in a pressing mode, one ends of the positioning keys (9) are arranged in workbench positioning holes formed in a workbench, and the horizontal positioning plate (10) is connected with the workbench through bolts.

9. The clamp of claim 8, wherein the clamp comprises: the horizontal positioning plate (10) is provided with a plurality of strip-shaped bolt holes (17), and T-shaped bolts and nuts are arranged in the strip-shaped bolt holes (17).

10. The clamp of claim 9 for drilling an axial deep hole in a cylinder part of a pneumatic pick, which is characterized in that: a round hole is formed in the vertical positioning plate (12), a bushing (11) is pressed in the round hole in an interference fit mode, and a positioning pin (7) is installed in the bushing (11).