CN217223728U

CN217223728U - Tool clamp

Info

Publication number: CN217223728U
Application number: CN202220717498.3U
Authority: CN
Inventors: 刘腾; 包利民
Original assignee: Xi'an Zhuorui Aviation Technology Co ltd
Current assignee: Xi'an Zhuorui Aviation Technology Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-08-19
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a frock clamp relates to parts machining technical field. The base is provided with an installation body, a third through hole of the installation body is provided with a workpiece to be machined, one end of the installation body is provided with a second through hole, the two second through holes are communicated with two to-be-machined holes in the workpiece to be machined respectively, the other end of the installation body is fixedly provided with a connecting rod, one end of the workpiece to be machined is in threaded connection with one end of a screw rod, the outer circumference of the screw rod is provided with a screw sleeve, the other end of the screw rod is connected with a fifth through hole in a pressing plate, one connecting rod is connected with the fourth through hole of the pressing plate, the other connecting rod is fixedly connected with a groove of the pressing plate, and one ends of the two connecting rods are provided with a clamping block. The utility model discloses a connecting rod and clamp plate locking treat the machined part, and bolt fixed mounting body with treat the machined part, treat treating the machined hole on the machined part and drill, can pinpoint and drill, solved clamping location difficulty in the course of working, problem that size precision can't guarantee.

Description

Work fixture

Technical Field

The utility model belongs to the technical field of the parts machining, concretely relates to frock clamp.

Background

With the strategic adjustment of the national aviation industry, China has made great progress in the field of civil and military aircraft development, and the requirements on aircraft parts in all aspects are higher and higher. At present, when a workpiece is machined, a small hole with the top of the part at an angle of 45 degrees relative to the axial direction needs to be machined, and the requirements on size and angle need to be ensured. When the drilling machine is used, the small holes are machined mainly by the aid of the drill, the situation that workpieces are difficult to position exists in the machining process, and the relative size of a hole shaft is difficult to guarantee. In order to solve the problems existing in the prior stage, a tool clamp is designed to solve the problem that a workpiece is difficult to clamp when the workpiece is machined, and the machining precision of the workpiece is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome above-mentioned prior art's shortcoming provides a frock clamp that the location is accurate, machining efficiency is high.

The technical scheme for solving the technical problems is as follows: the base is provided with an installation body, a third through hole is machined in the middle of the interior of the installation body, a to-be-machined part which is connected with the third through hole in a matched mode is installed in the third through hole, an included angle between a perpendicular bisector of the to-be-machined part and a straight line where a horizontal plane is located is 45 degrees, two symmetrical second through holes are machined at one end of the installation body, the two second through holes are communicated with the two to-be-machined holes in the to-be-machined part respectively, the perpendicular bisector of each second through hole and the perpendicular bisector of the to-be-machined hole are the same straight line, the perpendicular bisector of the two second through holes are perpendicular to each other, the perpendicular bisector of one second through hole is perpendicular to the straight line where the horizontal plane is located, and the perpendicular bisector of the other second through hole is parallel to the straight line where the horizontal plane is located; the other end fixed mounting of installation body has two connecting rods of mutual symmetry, treats that machined part one end and screw rod one end threaded connection, and the screw rod outer circumference is provided with the swivel nut that is used for the fixed machined part of treating and the screw rod, and the screw rod other end is connected with the fifth through-hole on the clamp plate, and one of them connecting rod and the fourth through-hole of clamp plate are connected, and the recess fixed connection of another connecting rod and clamp plate, two connecting rod one end are provided with the fixture block with clamp plate side contact.

Further, the side processing of installation body have with treat the first through-hole of the mutual intercommunication of sixth through-hole on the machined part, the perpendicular bisector of sixth through-hole and the perpendicular bisector of first through-hole are same straight line, be provided with the bolt that is used for the fixed mounting body and treats the machined part in first through-hole and the sixth through-hole.

Furthermore, a first bushing is arranged between the inner circumference of the first through hole and the outer surface of the plug pin.

Further, the inner circumference of the second through hole is provided with a drill sleeve.

Furthermore, a second bushing is arranged between the inner circumference of the third through hole and the outer surface of the workpiece to be machined, and a seventh through hole communicated with the first through hole in the installation body is machined in the second bushing.

Furthermore, the base on process and to have a type groove, the straight line that the lateral wall in type groove was located and the straight line that the horizontal plane was located between the contained angle be 45.

The utility model discloses a connecting rod and clamp plate locking treat the machined part, and bolt fixed mounting body with treat the machined part, treat treating the machined hole on the machined part and drill, can pinpoint and drill, solved clamping location difficulty in the course of working, the problem that size precision can't be guaranteed to the clamping time of work piece has been shortened, has improved production efficiency, has guaranteed processingquality.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the work fixture of the present invention.

Fig. 2 is a plan view of fig. 1.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is a schematic structural view of the mounting body 1 in fig. 3.

Fig. 5 is a schematic structural view of the base 3 in fig. 3.

Fig. 6 is a schematic view of the structure of the platen 6 in fig. 3.

Fig. 7 is a schematic structural view of the member to be processed 9 in fig. 3.

Fig. 8 is a structural view of the second bush 12 in fig. 3.

Reference numerals: 1. an installation body; 2. drilling a sleeve; 3. a base; 4. a connecting rod; 5. a clamping block; 6. pressing a plate; 7. a screw; 8. a threaded sleeve; 9. a workpiece to be processed; 10. a bolt; 11. a first bushing; 12. a second bushing; a. a first through hole; b. a second through hole; c. a third through hole; d. a fourth via hole; e. a fifth through hole; f. a groove; g. a hole to be processed; h. a sixth via hole; i. a seventh via.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 8, the tooling fixture of the present embodiment is formed by connecting an installation body 1, a drill bushing 2, a base 3, a connecting rod 4, a fixture block 5, a pressing plate 6, a screw rod 7, a threaded bushing 8, a workpiece 9 to be machined, a bolt 10, a first bushing 11, a second bushing 12, a first through hole a, a second through hole b, a third through hole c, a fourth through hole d, a fifth through hole e, a groove f, a hole g to be machined, a sixth through hole h, and a seventh through hole i.

The installation body 1 is placed on the base 3, the V-shaped groove is machined in the base 3, and the included angle between the straight line where the side wall of the V-shaped groove is located and the straight line where the horizontal plane is located is 45 degrees. A third through hole c is processed in the middle inside the installation body 1, a workpiece 9 to be processed which is connected with the third through hole c in a matched mode is installed in the third through hole c, a second bushing 12 is arranged between the inner circumference of the third through hole c and the outer surface of the workpiece 9 to be processed, a seventh through hole i which is communicated with the first through hole a in the installation body 1 is processed on the second bushing 12, the included angle between the perpendicular bisector of the workpiece 9 to be processed and the straight line of the horizontal plane is 45 degrees, two symmetrical second through holes b are processed at one end of the installation body 1, a drill bush 2 is arranged on the inner circumference of the second through hole b, the two second through holes b are respectively communicated with the two holes g to be processed in the workpiece 9, the perpendicular bisector of each second through hole b is the same straight line with the perpendicular bisector of the hole g to be processed, the perpendicular bisector of the two second through holes b are perpendicular to each other, the perpendicular bisector of one of the second through hole b is perpendicular to the straight line of the horizontal plane, the perpendicular bisector of the other second through hole b is parallel to the straight line of the horizontal plane. The hole g to be processed of the workpiece 9 to be processed is processed in a linear horizontal mode in the processing process, so that the hole is conveniently drilled, and the processing efficiency is improved.

The side processing of installation body 1 has and treats first through-hole a that sixth through-hole h on the machined part 9 communicates each other, the perpendicular bisector of sixth through-hole h is same straight line with the perpendicular bisector of first through-hole a, be provided with in first through-hole a and the sixth through-hole h and be used for fixed mounting body 1 and treat the bolt 10 of machined part 9, be provided with first bush 11 between the outer surface of circumference and bolt 10 in first through-hole a, this embodiment is used for fixed mounting body 1 and treats machined part 9 in the course of working, treat that machined part 9 can not take place to deflect because of the drill bit impact force at drilling process, avoid influencing the size and the precision of machined hole.

The other end fixed mounting of installation body 1 has two connecting rods 4 of mutual symmetry, treat that 9 one ends of machined part and 7 one end threaded connection of screw rod, the outer circumference of screw rod 7 is provided with and is used for the fixed swivel nut 8 of treating machined part 9 and screw rod 7, the screw rod 7 other end is connected with the fifth through-hole e on the clamp plate 6, one of them connecting rod 4 is connected with the fourth through-hole d of clamp plate 6, another connecting rod 4 and the recess f fixed connection of clamp plate 6, two connecting rod 4 one end are provided with the fixture block 5 with the contact of clamp plate 6 side.

The operation steps of this embodiment are as follows:

when a hole g to be machined in the workpiece 9 needs to be machined, the mounting body 1 is placed on a V-shaped groove of the base 3, the workpiece 9 is placed in a second bushing 12 of a third through hole c in the mounting body 1, the workpiece 9 is locked through the connecting rod 4 and the pressing plate 6, the bolt 10 is inserted into a first bushing 11 of a first through hole a in the mounting body 1, the mounting body 1 is fixedly mounted and the workpiece 9 is to be machined, the drill sleeves 2 are placed in two second through holes b of the mounting body 1, the hole g to be machined in the workpiece 9 is drilled, and machining is completed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a frock clamp which characterized in that: the base (3) is provided with a mounting body (1), a third through hole (c) is processed in the middle inside the mounting body (1), a workpiece (9) to be processed and connected with the third through hole (c) in a matching way is arranged in the third through hole (c), an included angle between a perpendicular bisector of the workpiece (9) to be processed and a straight line of a horizontal plane is 45 degrees, one end of the mounting body (1) is processed with two symmetrical second through holes (b), the two second through holes (b) are respectively communicated with two holes (g) to be processed on the workpiece (9), a perpendicular bisector of each second through hole (b) and a perpendicular bisector of the hole (g) to be processed are the same straight line, and perpendicular bisectors of the two second through holes (b) are mutually vertical, wherein the perpendicular bisector of one of the second through holes (b) is mutually perpendicular to the straight line of the horizontal plane, the perpendicular bisector of the other second through hole (b) is parallel to the straight line of the horizontal plane; the other end fixed mounting of installation body (1) has two connecting rod (4) of mutual symmetry, treat that machined part (9) one end and screw rod (7) one end threaded connection, screw rod (7) outer circumference is provided with swivel nut (8) that are used for fixed to treat machined part (9) and screw rod (7), the screw rod (7) other end is connected with fifth through-hole (e) on clamp plate (6), one of them connecting rod (4) are connected with fourth through-hole (d) of clamp plate (6), recess (f) fixed connection of another connecting rod (4) and clamp plate (6), two connecting rod (4) one end are provided with fixture block (5) with clamp plate (6) side contact.

2. The tooling fixture of claim 1, wherein: the side of the installation body (1) is provided with a first through hole (a) communicated with a sixth through hole (h) on a workpiece (9), the perpendicular bisector of the sixth through hole (h) and the perpendicular bisector of the first through hole (a) are the same straight line, and a bolt (10) used for fixing the installation body (1) and the workpiece (9) is arranged in the first through hole (a) and the sixth through hole (h).

3. The tooling clamp of claim 2, wherein: a first bush (11) is arranged between the inner circumference of the first through hole (a) and the outer surface of the plug pin (10).

4. The tooling clamp of claim 1, wherein: the inner circumference of the second through hole (b) is provided with a drill bushing (2).

5. The tooling clamp of claim 1, wherein: a second bushing (12) is arranged between the inner circumference of the third through hole (c) and the outer surface of the workpiece to be machined (9), and a seventh through hole (i) which is communicated with the first through hole (a) in the installation body (1) is machined in the second bushing (12).

6. The tooling clamp of claim 1, wherein: the base (3) on process and have V type groove, the contained angle between the straight line that the lateral wall place in V type groove and horizontal plane place is 45.