阅读说明：本技术 一种支架钻孔夹具 (Support drilling clamp ) 是由 孙军 王磊 李雪涛 张华东 王丰奎 夏永平 于 2021-08-03 设计创作，主要内容包括：本发明涉及一种支架钻孔夹具,其解决了现有装置中存在的设备和工序复杂、生产成本高的技术问题,其设有夹具体、压紧机构,所述压紧机构包括顶部压紧机构、中部压紧机构和底部压紧机构,所述夹具体设有立板、底板和加强筋板；所述中部压紧机构,设有中部压板、中部压紧螺柱和中部压板支撑；所述顶部压紧机构,设有顶部压紧螺柱、顶部压板支撑和顶部压板；所述底部压紧机构,设有底部压板支撑、底部压紧螺柱、底部压板。本发明可用于支架的加工领域。(The invention relates to a support drilling clamp, which solves the technical problems of complex equipment and process and high production cost in the existing device and is provided with a clamp body and a pressing mechanism, wherein the pressing mechanism comprises a top pressing mechanism, a middle pressing mechanism and a bottom pressing mechanism, and the clamp body is provided with a vertical plate, a bottom plate and a reinforcing rib plate; the middle pressing mechanism is provided with a middle pressing plate, a middle pressing stud and a middle pressing plate support; the top pressing mechanism is provided with a top pressing stud, a top pressing plate support and a top pressing plate; the bottom pressing mechanism is provided with a bottom pressing plate support, a bottom pressing stud and a bottom pressing plate. The invention can be used in the field of processing of stents.)

1. A support drilling clamp is provided with a clamp body and a pressing mechanism and is characterized in that the pressing mechanism comprises a top pressing mechanism, a middle pressing mechanism and a bottom pressing mechanism, and the clamp body is provided with a vertical plate, a bottom plate and a reinforcing rib plate; the middle pressing mechanism is provided with a middle pressing plate, a middle pressing stud and a middle pressing plate support; the top pressing mechanism is provided with a top pressing stud, a top pressing plate support and a top pressing plate; the bottom pressing mechanism is provided with a bottom pressing plate support, a bottom pressing stud and a bottom pressing plate.

2. The support drilling clamp of claim 1, further comprising a top support, wherein the top support is in a circular step shape, the upper portion and the middle portion of the top support are cylindrical, the lower portion of the top support is a disk, the disk is provided with a counter bore, and the disk is pressed on the clamp body through a screw.

3. The bracket drilling fixture of claim 1, further comprising a guide support plate, wherein the guide support plate is a T-shaped member and is provided with a long plate and a flat plate group, counter bores are arranged on two sides of the guide support plate, and the guide support plate is pressed on a bottom plate of the fixture body through screws.

4. The support drilling jig of claim 1, wherein the top and bottom hold-down plates each have a curved slot at the bottom of their rear portions to limit the rotation of the top and bottom hold-down plates.

5. The support drilling clamp according to claim 1, wherein the middle pressing plate is a cuboid, an elongated hole is formed in the middle of the middle pressing plate, an elongated groove is formed in the rear of the bottom surface of the middle pressing plate, and the middle pressing stud penetrates through the elongated hole and is screwed into a screw hole of the clamp body; the lower part of the middle pressure plate support is also screwed into the screw hole corresponding to the clamp body, and the upper end of the middle pressure plate support is jacked into the long-shaped groove.

6. The support drilling jig of claim 1, wherein the top hold-down stud, the middle hold-down stud and the bottom hold-down stud are all sleeved with compression springs.

7. The stent drilling jig of claim 1, wherein the supporting disk is stepped, the center of the upper disk is provided with a positioning hole, a cylindrical positioning pin is arranged in the positioning hole, the center of the upper disk of the right supporting disk is provided with a diamond positioning pin, and the front parts of the cylindrical positioning pin and the diamond positioning pin are provided with tapers.

8. The support drilling jig of claim 1, further comprising a fine adjustment mechanism, wherein the fine adjustment mechanism comprises a tightening screw and a support base, and the fine adjustment mechanism is symmetrically arranged.

Technical Field

The invention relates to a clamp, in particular to a support drilling clamp.

Background

In order to ensure that the vehicle can run stably in load transportation, most vehicles adopt a plate spring structure so as to eliminate vibration and bump, and the structure is not ideal in smooth and comfortable in long-term use. For this reason, many vehicles in recent years have adopted an air suspension system, which mainly comprises air springs, thrust rods, brackets and other parts. The support is formed by processing a casting blank with a complex shape, and the positions of holes are vertical to each other.

Chinese patent publication No. CN213379390U discloses an automobile support drilling device, which comprises a base, a positioning seat, a visual inspection mechanism and a three-dimensional manipulator, the drilling mechanism is installed on the three-dimensional manipulator, the dust absorption mechanism and the clamping driving mechanism are installed on the base, the positioning seat is installed on the base, two side edges adjacent to the top surface of the positioning seat are provided with fixed positioning plates, one side of the positioning seat, which is opposite to the fixed positioning plates, is provided with movable positioning plates, the clamping driving mechanism is used for driving the movable positioning plates to be close to or far away from the corresponding fixed positioning plates, the positioning seat and the automobile support to-be-drilled position are provided with avoiding holes used for avoiding drill bits of the drilling mechanism, a dust collection cover is arranged at the position, corresponding to the avoiding holes, on the clamp base, and is connected with the dust absorption mechanism, the vision detection mechanism is connected with the controller in a signal mode, and the controller is respectively in control connection with the three-dimensional manipulator, the drilling mechanism, the dust absorption mechanism and the clamping driving mechanism.

The device adopts a plurality of processes and a plurality of sets of technical equipment, so that the tooling cost is high, the labor intensity is high, the consumed time is long, and the production cost is greatly improved.

Disclosure of Invention

The invention aims to solve the technical problems of complex equipment and process and high production cost in the existing device, and provides the support drilling clamp which is reasonable in structure, convenient to operate and capable of being used for horizontal boring machines, horizontal machining centers and special equipment.

The invention provides a support drilling clamp which is provided with a clamp body and a pressing mechanism, wherein the pressing mechanism comprises a top pressing mechanism, a middle pressing mechanism and a bottom pressing mechanism, and the clamp body is provided with a vertical plate, a bottom plate and a reinforcing rib plate; the middle pressing mechanism is provided with a middle pressing plate, a middle pressing stud and a middle pressing plate support; the top pressing mechanism is provided with a top pressing stud, a top pressing plate support and a top pressing plate; the bottom pressing mechanism is provided with a bottom pressing plate support, a bottom pressing stud and a bottom pressing plate.

Preferably, the fixture is further provided with a top support, the top support is in a circular step shape, the upper portion and the middle portion of the top support are cylinders, the lower portion of the top support is a disc, the disc is provided with counter bores, and the disc is pressed on the fixture body through screws.

Preferably, the fixture is further provided with a guide support plate, the guide support plate is a T-shaped component and is provided with a long plate and a flat plate group, and counter bores are arranged on two sides of the guide support plate and are tightly pressed on the bottom plate of the fixture body through screws.

Preferably, the top pressing plate and the bottom pressing plate are provided with curved grooves at the bottoms of the rear parts of the top pressing plate and the bottom pressing plate, so that the top pressing plate and the bottom pressing plate are limited to rotate only.

Preferably, the middle pressing plate is a cuboid, a long hole is formed in the middle of the middle pressing plate, a long groove is formed in the rear of the bottom surface of the middle pressing plate, and the middle pressing stud penetrates through the long hole and is screwed into a screw hole of the clamp body; the lower part of the middle pressure plate support is also screwed into the screw hole corresponding to the clamp body, and the upper end of the middle pressure plate support is jacked into the long-shaped groove.

Preferably, the top pressing stud, the middle pressing stud and the bottom pressing stud are all sleeved with compression springs.

Preferably, the supporting disk is in a step shape, a positioning hole is formed in the center of the upper disk, a cylindrical positioning pin is arranged in the positioning hole, a rhombic positioning pin is arranged in the center of the upper disk of the right supporting disk, and tapers are arranged at the front parts of the cylindrical positioning pin and the rhombic positioning pin.

Preferably, the device is further provided with a fine adjustment mechanism, the fine adjustment mechanism is provided with a jacking screw and a supporting seat, and the fine adjustment mechanism is symmetrically arranged.

The invention has the following beneficial effects:

(1) according to the invention, the top pressing plate and the bottom pressing plate are provided with the curved grooves at the bottoms of the rear parts of the top pressing plate and the bottom pressing plate, so that the pressing plates are limited to rotate only, and compared with a linear groove structure, the pressing and loosening of parts are realized, and the operation is more convenient;

(2) the middle pressing plate, the middle pressing stud and the middle pressing plate support to form a middle pressing mechanism, the middle pressing stud penetrating through the elongated hole of the middle pressing plate is sleeved with a compression spring, and the lifting pressing plate is at the height required by work;

(3) the middle parts of the top pressing plate and the bottom pressing plate of the top pressing mechanism and the bottom pressing mechanism are provided with round holes, compression springs are sleeved on the pressing studs penetrating through the round holes, and the pressing plates are supported to be at the height required by work;

(4) the supporting disc is also in a step shape, a positioning hole is formed in the center of the upper disc, the cylindrical positioning pin is installed in the positioning hole, a positioning hole is formed in the center of the upper disc of the right supporting disc, and the diamond positioning pin is installed to be convenient to match with the positioning hole of the support for positioning;

(5) the guide support plate is a T-shaped component formed by a long plate and a flat plate, and the height between the top surface of the long plate and the bottom surface of the support after the long plate is contacted with the center of the positioning hole of the support and the front parts of the cylindrical positioning pin and the diamond positioning pin are provided with tapers for guiding, so that the support can be smoothly pushed, matched and positioned;

(6) the upper part of the center of the supporting disk is provided with a positioning pin hole for installing a positioning pin, the middle part of the supporting disk is provided with a screw hole for ejecting a screw, the lower part of the supporting disk is a round hole for facilitating the arrangement of the screw, and when the two positioning pins are worn, the positioning disk can be detached and the ejecting screw can be ejected and replaced by rotating;

(7) the fine adjustment mechanisms are symmetrically arranged, the upper part of the bracket is guided into the correct position by a gap formed in the middle, and the tightening screw can be rotated to slightly tighten the bracket.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a left side view of the invention.

Reference numerals:

1. a support disc; 2. a cylindrical positioning pin; 3. a middle pressing plate; 4. a middle hold-down stud; 5. the middle pressing plate supports; 6. jacking the screw tightly; 7. a supporting seat; 8. a top support; 9. a top hold down stud; 10. a top platen support; 11. a top platen; 12. a support; 13. a diamond-shaped positioning pin; 14. a bottom pressure plate support; 15. a bottom hold down stud; 16. a bottom platen; 17. a guide support plate; 18. a clamp body; 19. and ejecting the screw.

Detailed Description

As shown in fig. 1-2, the invention provides a support drilling fixture, which is provided with a support plate 1, a cylindrical positioning pin, a middle pressing plate 3, a middle pressing stud 4, a middle pressing plate support 5, a jacking screw 6, a support base 7, a top support 8, a top pressing stud 9, a top pressing plate support 10, a top pressing plate 11, a support 12, a diamond positioning pin 13, a bottom pressing plate support 14, a bottom pressing stud 15, a bottom pressing plate 16, a guide support plate 17, a fixture body 18 and a jacking screw 19.

The clamp body 18 is a component formed by vertically welding a vertical plate, a bottom plate and a reinforcing rib plate, the vertical plate is pressed on the front surface, the middle part and the lower part are provided with screw holes and pin holes corresponding to the vertical plate, the middle pressing plate 3, the middle pressing stud 4 and the middle pressing plate support 5 form a middle pressing mechanism, the middle pressing plate 3 is a cuboid, the middle part is provided with an elongated hole, the rear part of the bottom surface is provided with an elongated groove, the middle pressing stud 4 penetrates through the elongated hole to be screwed into the front surface of the vertical plate of the clamp body 18, the lower part of the middle pressing plate support 5 is also screwed into the clamp body 18 and is provided with a corresponding screw hole, the upper end of the middle pressing plate supports into the elongated groove, the middle pressing plate 3 corresponds to a pressing part, and a nut on the middle pressing stud 4 is rotated to press or loosen the position of the support 12.

Likewise, the top hold down mechanism, includes top hold down studs 9, top platen support 10, and top platen 11.

The bottom pressing mechanism comprises a bottom pressing plate support 14, a bottom pressing stud 15 and a bottom pressing plate 16, is similar to the middle pressing mechanism, and is only provided with a round hole and a curved groove on the bottom surface. The jacking screw 6 and the supporting seat 7 form a fine adjustment mechanism, the jacking screw 6 is screwed into a screw hole formed in the upper portion of a square upright column arranged on the supporting seat 7, and the screw penetrates through counter holes in four corners of a square plate arranged below the square upright column to tightly press the square upright column at the position of the clamp body 18. The top support 8 is circular echelonment, and the top supports part support upper portion, and the middle part is the cylinder, and four counter bores of lower part disc evenly distributed compress tightly on the anchor clamps body 18 with the screw, and supporting disk 1 also is the echelonment, and upper portion disc center is equipped with the locating pin hole, and the cylinder locating pin is installed wherein, and four counter bores of lower part disc evenly distributed compress tightly on the anchor clamps body 18 with the screw. The guide support plate 17 is a T-shaped component formed by a long plate and a flat plate, counter bores are arranged on two sides of the T-shaped component, and the T-shaped component is tightly pressed on a bottom plate of the clamp body 18 through screws.

The support is characterized in that the support is a top support 8, a top compression stud 9, a top pressing plate support 10, a top pressing plate 11, a cylindrical positioning pin 2 and a diamond positioning pin 13, all the rest parts are distributed and arranged with a vertical center line of a clamp body 18, the two sides of the bottom end of the support 12 are placed on a guide support plate 17, the circular positioning pin 2 and the diamond positioning pin 13 are pushed to be attached to the end faces of a support plate 1 and a support seat 7 in a facing mode, after the two sides of the support 6 are finely adjusted, each nut compression pressing plate is rotated, a machine tool cutter is started to be capable of processing holes required by the process, after the process is finished, each compression mechanism and each fine adjustment mechanism of the nuts are loosened, and the support can be lifted out.

The top pressing plate 11 and the bottom pressing plate 16 are provided with curved grooves at the bottom of the rear part, so that the pressing plates are limited to rotate only, and compared with a linear groove structure, the pressing and loosening of parts are realized, and the operation is more convenient.

The middle pressing plate 3, the middle pressing stud 4 and the middle pressing plate support 5 form a middle pressing mechanism, the middle pressing stud 4 penetrating through the long hole of the middle pressing plate is sleeved with a compression spring, and the lifting pressing plate is at the height required by work.

The top pressing mechanism and the bottom pressing mechanism are provided with round holes in the middle of a top pressing plate 11 and a bottom pressing plate 16, compression springs are sleeved on the pressing studs 9 and 15 penetrating through the tops and bottoms of the round holes, and the supporting pressing plates are located at the height required by work.

The supporting disk 1 is also in a step shape, a positioning hole is formed in the center of the upper disk, the cylindrical positioning pin 2 is installed in the positioning hole, a positioning hole is formed in the center of the upper disk of the right supporting disk 1, and the diamond positioning pin 13 is installed to be convenient for being matched with the positioning hole of the support 12 to operate and position.

The guide support plate 17 is a T-shaped component formed by a long plate and a flat plate, the height between the top surface of the long plate and the center of the positioning hole of the support 12 after the top surface of the long plate is contacted with the bottom surface of the support 12 has a guide effect with the taper arranged at the front parts of the cylindrical positioning pin 2 and the rhombic positioning pin 13, and the support 12 can be smoothly pushed, matched and positioned.

The upper portion of the center of the supporting disk 1 is provided with a positioning pin hole for installing the cylindrical positioning pin 2 and the rhombic positioning pin 13 (the two positioning pin holes are the same), the middle portion of the supporting disk is provided with a screw hole for installing the ejection screw 19, and the lower portion of the supporting disk is provided with a round hole.

The jacking screw 6 and the supporting seat 7 form a fine adjustment mechanism which is symmetrically arranged, the upper part of the bracket 12 is guided into a correct position by a gap formed in the middle, and the rotatable jacking screw 6 slightly jacks.

However, the above description is only exemplary of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.