CN217860113U - A trompil frock for flange - Google Patents

Abstract

The utility model relates to the field of flange shaft processing, in particular to a hole forming tool for a flange, which comprises a hole forming table and a horizontal bearing flange piece of the hole forming table; the guide assemblies are at least three groups, and the three groups of guide assemblies are distributed around the hole forming table at equal angles and point to the central position of the hole forming table; centre gripping work piece, including the scute of connecting the direction subassembly, scute bilateral symmetry rotates there is the extensible member, but the end connection of extensible member has elastically bending's spring leaf, and the spring leaf is used for extrusion flange spare, the utility model discloses a rotate the extensible member that sets up and bulldoze the spring leaf, the elastic property of cooperation spring leaf can stabilize the not unidimensional axle flange of attached centre gripping, makes the centre gripping general-match nature of device higher, and attached area is great moreover, increases the stationary power of counter shaft flange, avoids trompil process axle flange to take place the skew.

Description

A trompil frock for flange

Technical Field

The utility model relates to a flange axle processing field especially relates to a trompil frock for flange.

Background

The shaft flange is used for connecting two shafts, and the adaptive screws are inserted and fixed through holes uniformly formed in the edge of the flange surface, so that adjacent shafts are radially locked, the power transmission of the split shaft is kept, and the split shaft is widely used for mechanical driving.

The edge connecting hole of axle flange has a plurality of and angular distribution such as, for guaranteeing the general use of axle flange, the processing of its connecting hole is comparatively meticulous, must keep accurate size, just can reach interconnect, for keeping the accurate trompil of axle flange, need use the centre gripping frock to place the axle flange centre gripping, as shown in figure 1, the current (holding) chuck that adopts the three-jaw formula is as the fixing device of axle flange.

The (holding) chuck that current axle flange trompil frock adopted relies on three or a plurality of concentric directive clamping jaws to fix a position the axle flange at central point and puts, for the wildcard nature of guarantee centre gripping frock, the area of clamping jaw and axle flange edge contact position is less, leads to clamping-force too big to cause the flange edge to be pressed impaired easily, if clamping-force undersize then can not stabilize the centre gripping.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the following problems existing in the prior art: the (holding) chuck that current axle flange trompil frock adopted relies on three or a plurality of concentric directive clamping jaws to fix a position the axle flange at central point and puts, for the wildcard nature of guarantee centre gripping frock, the area of clamping jaw and axle flange edge contact position is less, leads to clamping-force too big to cause the flange edge to be pressed impaired easily, if clamping-force undersize then can not stabilize the centre gripping.

In order to solve the problems in the prior art, the utility model provides a hole-forming tool for a flange, which comprises a hole-forming table, wherein the hole-forming table horizontally bears a flange piece; the guide assemblies are at least three groups, and the three groups of guide assemblies are distributed around the hole forming table at equal angles and point to the central position of the hole forming table; the clamping workpiece comprises an angle plate connected with the guide assembly, telescopic pieces are symmetrically rotated on two sides of the angle plate, the end parts of the telescopic pieces are connected with spring pieces capable of being elastically bent, and the spring pieces are used for extruding the flange pieces.

Preferably, the telescopic part comprises an insertion cylinder, the insertion cylinder rotates at the side edge of the angle plate, an insertion handle is inserted into the end part of the insertion cylinder in a sliding and inserting mode, and the insertion handle is elastically connected with the insertion cylinder through a spring.

Preferably, the edge of the spring piece is rotatably connected with the end part of the insert handle through a pin shaft.

Preferably, a contact rod is fixed between the inserting cylinders on the surface of the angle plate, and the length of the contact rod is greater than the shortest length of the telescopic piece.

Preferably, a rubber layer is adhered to the surface of the spring piece, and a strip groove is formed in the contact surface of the rubber layer and the flange piece.

Preferably, the direction subassembly includes the spout, and the spout is seted up on trompil platform surface, and it has the slider to slide in the spout, scute and slider fixed connection install the cylinder in the trompil platform, and the flexible end of cylinder passes through even board fixed connection slider, and the cylinder is flexible to be driven the directional trompil platform center direction of slider and slides.

Compared with the prior art, the utility model provides a trompil frock for flange has following beneficial effect:

the utility model discloses a flexible piece that rotates the setting bulldozes the spring leaf, and the not unidimensional axle flange of attached centre gripping can be stabilized to the elasticity speciality of cooperation spring leaf, makes the centre gripping wildcard nature of device higher, and attached area is great moreover, increases the fixed power of counter shaft flange, avoids trompil process axle flange to take place the skew.

Drawings

FIG. 1 is a schematic view of a clamping tool for forming a hole in a conventional shaft flange;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic structural view of the guiding assembly of the present invention;

fig. 4 is a schematic view of the structure of the clamping workpiece of the present invention.

Reference numbers in the figures: 1. a hole opening table; 2. a guide assembly; 21. a slider; 22. a cylinder; 23. connecting plates; 24. a chute; 3. clamping a workpiece; 31. a gusset; 32. a spring plate; 33. a rubber layer; 34. inserting a cylinder; 35. a handle is inserted; 36. a feeler lever.

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.

The following detailed description is provided to illustrate specific embodiments of the present invention.

Example one

As shown in fig. 2-4, in the hole opening tool for the flange, a disc-shaped hole opening table 1 is used for horizontally bearing flange pieces, three groups of guide assemblies 2 are arranged around the axis of the hole opening table 1 at equal angles, and each group of guide assemblies is connected with one group of clamping workpieces 3;

as shown in fig. 3, the guiding assembly 2 includes a sliding chute 24, the sliding chute 24 is arranged on the surface of the tapping platform 1, a sliding block 21 is slid in the sliding chute 24, an air cylinder 22 is installed on the side surface of the tapping platform 1 in a penetrating manner in the inner direction, the three groups of air cylinders 22 share one group of air supply assembly to achieve synchronous and accurate telescopic movement, the telescopic end of the air cylinder 22 is fixedly connected with the sliding block 21 through a connecting plate 23, and the air cylinder 22 is telescopic to drive the sliding block 21 to slide in the direction of the center of the tapping platform 1;

as shown in fig. 4, the clamping workpiece 3 includes an angle plate 31, the angle plate 31 is connected with the sliding block 21, two sides of the angle plate 31 are symmetrically provided with telescopic parts, the telescopic parts include inserting cylinders 34, the inserting cylinders 34 rotate at the side edges of the angle plate 31, inserting handles 35 are inserted at the end parts of the inserting cylinders 34 in a sliding manner, the inserting handles 35 are elastically connected with the inserting cylinders 34 through springs, and two ends of the spring plate 32 are respectively connected with the end parts of two groups of inserting handles 35;

placing a shaft flange piece at the center of the tapping platform 1, starting the cylinder 22 to extend synchronously, enabling the connecting plate 23 to drive the sliding block 21 to slide towards the center of the tapping platform 1 along the sliding groove 24 synchronously, straightening the spring piece 32 in a normal state, enabling the inserting cylinder 34 to expand outwards, firstly contacting the center of the spring piece 32 with the shaft flange, overcoming elastic force contraction of the inserting handle 35 and the inserting cylinder 34 along with extension of the cylinder 22, gradually deforming and coating the spring piece 32 outside the shaft flange, enabling the inserting handle 35 and the inserting cylinder 34 to be aligned inwards, and finally enabling the spring piece 32 to tightly coat the outer wall of the shaft flange, and enabling the shaft flange to be fixed at the center;

the spring pieces 32 are driven by the shaft flanges with different sizes to deform correspondingly, so that the clamping compatibility of the device is high, and the attachment area is large;

as shown in fig. 4, the edge of the spring plate 32 is rotatably connected to the end of the insertion handle 35 by a pin, and the connection stress with the insertion handle 35 is relieved by the pin during the deformation of the spring plate 32;

as shown in fig. 4, a rubber layer 33 is adhered on the surface of the spring plate 32, the contact surface of the rubber layer 33 and the flange member is provided with stripe grooves, the rubber layer 33 is arranged to make the spring plate 32 and the shaft flange in soft contact, so that the contact friction force to the shaft flange is increased, and the positioning stability is improved;

example II

As shown in FIG. 4, a contact rod 36 is fixed on the surface of the angle plate 31 between the insertion tubes 34, the length of the contact rod 36 is greater than the shortest length of the telescopic member, when the insertion handle 35 and the insertion tube 34 are compressed to a large extent, the contact rod 36 is in contact with the middle of the spring plate 32, and the contact strength between the spring plate 32 and the shaft flange is increased.

Claims (6)

1. A trompil frock for flange, its characterized in that includes:

the hole forming platform (1), wherein the hole forming platform (1) horizontally bears the flange piece;

the guide assemblies (2), the guide assemblies (2) have at least three groups, the three groups of guide assemblies (2) surround the perforated platform (1) and are distributed at equal angles and point to the central position of the perforated platform (1);

the clamping workpiece (3) comprises an angle plate (31) connected with the guide assembly (2), telescopic pieces are symmetrically rotated on two sides of the angle plate (31), the end parts of the telescopic pieces are connected with spring pieces (32) capable of being elastically bent, and the spring pieces (32) are used for extruding flange pieces.

2. The hole opening tool for the flange as claimed in claim 1, wherein the telescopic piece comprises an insertion tube (34), the insertion tube (34) rotates on the side of the angle plate (31), an insertion handle (35) is inserted into the end portion of the insertion tube (34) in a sliding mode, and the insertion handle (35) is elastically connected with the insertion tube (34) through a spring.

3. The hole opening tool for the flange as claimed in claim 2, wherein the edge of the spring piece (32) is rotatably connected with the end of the insert handle (35) through a pin shaft.

4. The hole opening tool for the flange as claimed in claim 2, wherein a contact rod (36) is fixed on the surface of the angle plate (31) between the inserting cylinders (34), and the length of the contact rod (36) is greater than the shortest length of the telescopic piece.

5. The hole opening tool for the flange as claimed in claim 1, wherein a rubber layer (33) is bonded to the surface of the spring piece (32), and a contact surface of the rubber layer (33) and the flange piece is provided with a stripe groove.

6. The hole opening tool for the flange according to claim 1, wherein the guide assembly (2) comprises a sliding groove (24), the sliding groove (24) is formed in the surface of the hole opening table (1), a sliding block (21) is arranged in the sliding groove (24) in a sliding mode, the angle plate (31) is fixedly connected with the sliding block (21), an air cylinder (22) is installed in the hole opening table (1), the telescopic end of the air cylinder (22) is fixedly connected with the sliding block (21) through a connecting plate (23), and the air cylinder (22) stretches and drives the sliding block (21) to slide towards the center direction of the hole opening table (1).

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