CN209754068U - circular tube indexing side hole machining clamp - Google Patents

Abstract

The utility model discloses a circular tube indexing side hole machining clamp, which comprises a clamp main body, a locking block, a steering movable screw, a butterfly nut, an indexing ring and a resin bush; the indexing ring is provided with a fracture, the indexing ring is provided with a fastening hole penetrating through the fracture, the resin bushing is arranged in the indexing ring, and the fracture is locked with the nut through a bolt; a lower semicircular bayonet is formed in the clamp body, and hinged ports are formed in two ends of the lower semicircular bayonet; the locking block is provided with an upper semicircular bayonet, one end of the locking block is hinged in one hinged port, one end of the steering movable screw rod is hinged in the other hinged port, the butterfly nut is connected to the other end of the steering movable screw rod, and the upper semicircular bayonet is matched with the lower semicircular bayonet to form a circular bayonet; the indexing ring is arranged in the circular bayonet. In this way, the utility model discloses can realize resetting fast with standard workstation base plate, the clamping demand of different pipe diameters is satisfied to the resin bush is changed to the accessible, and the product is made simply, and easy operation can greatly reduced pipe part machining cost.

Description

Circular tube indexing side hole machining clamp

Technical Field

The utility model relates to an anchor clamps field especially relates to a pipe graduation side opening adds clamping apparatus.

Background

The machining of the circular tube indexing holes generally needs to customize special equipment, the investment cost is high, and for circular tube products with longer lengths, the machining cannot be completed by one-time clamping of a general indexing turntable, and repeated clamping not only increases the complexity of process operation, but also influences the stability of precision due to positioning errors. Particularly, the circular tube for aviation has high appearance requirement, and the conventional clamping mode is difficult to meet the quality stability of products.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem of providing a circular tube indexing side hole machining clamp, which adopts a clamping mode of adopting product fixing and tool clamping separation, so that the clamping process has no risk of touching and wiping products, and the stability of the appearance quality of the products is improved; the fixture can meet the requirement of machining the indexing side holes of the circular tube by matching with common equipment in the market, and the cost of customizing special equipment and a turntable is avoided; meanwhile, the device can be used as an extension module of a standardized manufacturing unit, and can realize quick reset and clamping by matching with a standard workbench substrate; due to the standardized design concept, the processing length and stroke range of the common equipment can be prolonged by matching with the standard workbench base plate.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a pipe graduation side opening adds clamping apparatus establishes on equipment table surface, and pipe graduation side opening adds clamping apparatus includes: the fixture comprises a workbench substrate assembly and a fixture module fixed on the workbench substrate assembly; a plurality of main body positioning holes are distributed at equal intervals on the workbench substrate assembly, and one threaded sheath and one bushing are inserted into each main body positioning hole; the clamp module comprises a clamp main body, a locking block, a steering movable screw, a butterfly nut, an indexing ring, a resin bushing, a positioning pin, a positioning screw, a headed pin and a cotter pin; the indexing ring is annular, a plurality of angle positioning holes are formed in one end face of the indexing ring around the circumference of the indexing ring, a fracture is formed in the indexing ring, a fastening hole which vertically penetrates through the fracture is formed in the side wall of the indexing ring, a fastening bolt is arranged in the fastening hole, a fastening nut is connected to the fastening bolt, the resin bushing is arranged in the indexing ring, and the fracture of the indexing ring is locked with the fastening nut through the fastening bolt; the clamp main body is fixed on the workbench base plate through a positioning screw, and the lower end of the positioning screw penetrates through the bushing and is connected with the threaded sheath; the upper surface of the clamp body is provided with a lower semicircular bayonet, the clamp body at two ends of the lower semicircular bayonet is provided with a hinge port, and the side surface of the clamp body close to the lower semicircular bayonet is provided with a positioning pin hole; the locking block is provided with an upper semicircular bayonet corresponding to the lower semicircular bayonet, a hinge joint is arranged at the position of the locking block at one end of the upper semicircular bayonet, and an open slot is formed at the position of the locking block at the other end of the upper semicircular bayonet; the hinge joint is arranged in one hinge opening, one end of the steering movable screw rod is arranged in the other hinge opening, the butterfly nut is connected to the other end of the steering movable screw rod, the hinge joint and the steering movable screw rod are respectively hinged to the clamp body through the matching of the headed pin and the cotter pin, and the upper semicircular bayonet is matched with the lower semicircular bayonet to form a circular bayonet; the indexing ring is arranged in the circular bayonet, and the positioning pin penetrates through the angle positioning hole and is inserted into the positioning pin hole.

Further, the workbench substrate assembly comprises a workbench substrate, a limiting support block and an anti-displacement stop block; a T-shaped groove is formed in the working table surface of the equipment, and a T-shaped nut is arranged in the T-shaped groove; the limiting support block is arranged on the working table surface of the equipment and is connected with the T-shaped nut through a screw; the worktable substrate is fixed on the limiting support block, the anti-displacement stop block is fixed on the side wall of the limiting support block close to the side face of the equipment worktable, and the anti-displacement stop block abuts against the equipment worktable and the side face of the worktable substrate; the main body positioning hole is formed in the workbench base plate, the axes of the main body positioning hole, the thread sheath and the bushing are located on the same straight line, and threads are arranged on the inner wall of the thread sheath.

The utility model has the advantages that: the utility model has a universal clamping module, can realize quick reset with a standard workbench substrate, and can meet the clamping requirements of different pipe diameters by replacing the resin bushing; the circular tube indexing side hole machining clamp can be widely applied to machining of circular tube side holes of various specifications, is simple to manufacture and easy to operate, and is very suitable for application requirements of common equipment of small and medium-sized enterprises; the special machine equipment with large stroke and the indexing rotary table can be replaced, and the processing cost of the parts is greatly reduced.

Drawings

Fig. 1 is a schematic perspective view of a circular tube indexing side hole machining fixture according to a preferred embodiment of the present invention;

Fig. 2 is an exploded view of a clamp module in the circular tube indexing side hole machining clamp.

The parts in the drawings are numbered as follows: 1. a clamp body; 2. a locking block; 3. turning to a movable screw; 4. a butterfly nut; 5. an indexing ring; 6. a resin bushing; 7. positioning pins; 8. a set screw; 9. a headed pin; 10. a cotter pin; 11. a table substrate; 12. a limiting supporting block; 13. an anti-displacement stop block; 14. an equipment work table; 15. the main part locating hole.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, an embodiment of the present invention includes:

The utility model provides a pipe graduation side opening adds clamping apparatus, includes: the fixture comprises a workbench substrate assembly and a fixture module fixed on the workbench substrate assembly, wherein the workbench substrate assembly is fixed on the surface of an equipment workbench.

The workbench substrate assembly comprises a workbench substrate 11, a thread sheath, a bushing, a limit supporting block 12 and an anti-displacement stop block 13; a T-shaped groove is formed in the equipment working table surface 14, and a T-shaped nut is arranged in the T-shaped groove; the limiting support blocks 12 are provided with a plurality of blocks, the limiting support blocks 12 are arranged on the working table surface 14 of the equipment, and the limiting support blocks 12 are connected with T-shaped nuts through screws; the workbench substrate 11 is fixed on the limit support block, the anti-displacement stop block 13 is fixed on the side wall of the limit support block 12 close to the side surface of the equipment workbench surface 14, and the anti-displacement stop block 13 props against the equipment workbench surface 14 and the side surface of the workbench substrate 11; the workbench base plate 11 is provided with a plurality of main body positioning holes 15 distributed at equal intervals, one thread sheath and one bushing are inserted into each main body positioning hole 15, the bottom of the bushing is pressed at the top of the thread sheath, the axes of the main body positioning holes, the thread sheaths and the bushings are positioned on the same straight line, and threads are arranged on the inner wall of each thread sheath.

The clamp module comprises a clamp main body 1, a locking block 2, a steering movable screw rod 3, a butterfly nut 4, an indexing ring 5, a resin bushing 6, a positioning pin 7, a positioning screw 8, a headed pin 9 and a cotter pin 10; the clamp main body 1 is fixed on a workbench base plate 11 through a positioning screw 8, and the lower end of the positioning screw 8 penetrates through the bushing and is connected with the threaded sheath; the upper surface of the clamp body 1 is provided with a lower semicircular bayonet, the clamp bodies at two ends of the lower semicircular bayonet are provided with hinged interfaces, and the side surface of the clamp body 1 close to the lower semicircular bayonet is provided with a positioning pin hole; an upper semicircular bayonet corresponding to the lower semicircular bayonet is arranged on the locking block 2, a hinge joint is arranged on the locking block at one end of the upper semicircular bayonet, and an open slot is formed in the locking block at the other end of the upper semicircular bayonet; the hinge joint is arranged in one hinge opening, one end of the steering movable screw rod 3 is arranged in the other hinge opening, the butterfly nut 4 is connected to the other end of the steering movable screw rod, the hinge joint and the steering movable screw rod are respectively hinged on the clamp body 1 through the matching of a group of headed pins 9 and cotter pins 10, and the upper semicircular bayonet is matched with the lower semicircular bayonet to form a circular bayonet; the indexing ring 5 is annular, a plurality of angle positioning holes are formed in one end face of the indexing ring 5 around the circumference of the indexing ring, a fracture is formed in the side face of the indexing ring, a threaded hole which vertically penetrates through the fracture is formed in the side wall of the indexing ring 5, the resin bushing 6 is arranged in the indexing ring, and the fracture of the indexing ring 5 is locked with a nut through a screw; the indexing ring 5 is arranged in the circular clamping opening, the positioning pin 7 penetrates through the angle positioning hole and is inserted into the positioning pin hole, the steering movable screw rod 3 is turned up, the steering movable screw rod 3 is clamped into the opening groove of the locking block 2, and the indexing ring can be firmly fixed by manually screwing the butterfly nut 4.

The resin bush 6 has various specifications, the diameter of the outer circle of the resin bush 6 is fixed, the inner circular hole has various selectable sizes, the resin bush which is correspondingly matched is selected according to the specification of the circular tube, and the inner hole is matched with the outer circle of the product and is arranged at the clamping position of the product; sleeving an inner hole of the indexing ring 5 on the outer circle of the resin bushing 6, and locking the indexing ring through a screw and a nut to fix the indexing ring on a product to form an indexing unit; installing a locking block 2 and a steering movable screw rod 3 on a clamp main body 1 through a headed pin 9, and fixing the locking block and the steering movable screw rod by using a cotter pin 10 to form a group of clamp modules; then, according to the length specification of a product, two or more clamp modules are mounted on a workbench base plate 11 through positioning screws 8, and the mounting intervals can be freely switched; then, placing the product indexing unit clamped in the previous step on the clamp main body 1, and positioning the angle through a positioning pin 7; and finally, closing the locking block 2, turning up the steering movable screw 3, pressing the indexing ring 5 tightly through the butterfly nut 4, and completing clamping.

the utility model has a universal clamping module, can realize quick reset with a standard workbench substrate, and can meet the clamping requirements of different pipe diameters by replacing the resin bushing; the circular tube indexing side hole machining clamp can be widely applied to machining of circular tube side holes of various specifications, is simple to manufacture and easy to operate, and is very suitable for application requirements of common equipment of small and medium-sized enterprises; the special machine equipment with large stroke and the indexing rotary table can be replaced, and the processing cost of the parts is greatly reduced.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.

Claims (2)

1. The utility model provides a pipe graduation side opening adds clamping apparatus establishes on equipment table surface, and its characterized in that, pipe graduation side opening adds clamping apparatus includes: the fixture comprises a workbench substrate assembly and a fixture module fixed on the workbench substrate assembly; a plurality of main body positioning holes are distributed at equal intervals on the workbench substrate assembly, and a threaded sheath and a bushing are inserted into each main body positioning hole; the clamp module comprises a clamp main body, a locking block, a steering movable screw, a butterfly nut, an indexing ring, a resin bushing, a positioning pin, a positioning screw, a headed pin and a cotter pin; the indexing ring is annular, a plurality of angle positioning holes are formed in one end face of the indexing ring around the circumference of the indexing ring, a fracture is formed in the indexing ring, a fastening hole which vertically penetrates through the fracture is formed in the side wall of the indexing ring, a fastening bolt is arranged in the fastening hole, a fastening nut is connected to the fastening bolt, the resin bushing is arranged in the indexing ring, and the fracture of the indexing ring is locked with the fastening nut through the fastening bolt; the clamp main body is fixed on the workbench base plate through a positioning screw, and the lower end of the positioning screw penetrates through the bushing and is connected with the threaded sheath; the upper surface of the clamp body is provided with a lower semicircular bayonet, the clamp body at two ends of the lower semicircular bayonet is provided with a hinge port, and the side surface of the clamp body close to the lower semicircular bayonet is provided with a positioning pin hole; the locking block is provided with an upper semicircular bayonet corresponding to the lower semicircular bayonet, a hinge joint is arranged at the position of the locking block at one end of the upper semicircular bayonet, and an open slot is formed at the position of the locking block at the other end of the upper semicircular bayonet; the hinge joint is arranged in one hinge opening, one end of the steering movable screw rod is arranged in the other hinge opening, the butterfly nut is connected to the other end of the steering movable screw rod, the hinge joint and the steering movable screw rod are respectively hinged to the clamp body through the matching of the headed pin and the cotter pin, and the upper semicircular bayonet is matched with the lower semicircular bayonet to form a circular bayonet; the indexing ring is arranged in the circular bayonet, and the positioning pin penetrates through the angle positioning hole and is inserted into the positioning pin hole.

2. The circular tube indexing side hole machining clamp according to claim 1, wherein: the workbench substrate assembly comprises a workbench substrate, a limiting supporting block and an anti-displacement stop block; a T-shaped groove is formed in the working table surface of the equipment, and a T-shaped nut is arranged in the T-shaped groove; the limiting support block is arranged on the working table surface of the equipment and is connected with the T-shaped nut through a screw; the worktable substrate is fixed on the limiting support block, the anti-displacement stop block is fixed on the side wall of the limiting support block close to the side face of the equipment worktable, and the anti-displacement stop block abuts against the equipment worktable and the side face of the worktable substrate; the main body positioning hole is formed in the workbench base plate, the axes of the main body positioning hole, the thread sheath and the bushing are located on the same straight line, and threads are arranged on the inner wall of the thread sheath.