CN219188158U - Copper pipe drawing symmetrical connection device - Google Patents

Abstract

The utility model discloses a copper pipe drawing symmetrical connection device, which belongs to the technical field of copper pipe drawing processing and comprises a first connection block and a second connection block, wherein one opposite sides of the first connection block and the second connection block are clamped with connection sleeves.

Description

Copper pipe drawing symmetrical connection device

Technical Field

The utility model relates to the technical field of copper pipe drawing processing, in particular to a copper pipe drawing symmetrical connection device.

Background

The drawing machine is an industrial device composed of mechanical equipment, lubrication equipment, electrical equipment, hydraulic and pneumatic systems and the like, and is used for drawing metal materials. The drawing machine is used for equipment for drawing metal at normal temperature. Its capacity is often expressed in terms of maximum pullout force. The drawing machine is divided into a chain drawing machine, a hydraulic drawing machine and a reel drawing machine according to different structures.

The existing copper pipe drawing machine connecting device is asymmetric, the left connecting block and the right connecting block are different in size and different in structure, the hydraulic cylinder of the drawing machine is only directly connected with the connecting block on one side, acting force of the hydraulic cylinder is transmitted to the connecting block on the other side through the connecting block on one side, the connecting blocks on two sides are transmitted to the copper pipe drawing machine drawing clamp through bolts, the connecting blocks on two sides are inconsistent in action, the stress is different, breakage of the connecting blocks on two sides and the piston rod of the hydraulic cylinder is easy to cause, in addition, the drawing force of the hydraulic cylinder is not perpendicular to the moving direction of the connecting blocks on two sides, so that the piston rod of the clamp hydraulic cylinder is unbalanced in stress, the piston rod is easy to distort frequently, the piston rod is easy to break, and the running cost of equipment is increased.

Disclosure of Invention

The utility model aims to provide a copper pipe drawing symmetrical connecting device, which is characterized in that a first connecting block and a second connecting block which are bilaterally symmetrical are respectively fixed on a clamp through four groups of connecting threaded holes, so that stability between the first connecting block and the clamp and stability between the second connecting block and the clamp are guaranteed, meanwhile, the first connecting block and the second connecting block are connected with a piston rod of a hydraulic cylinder through connecting sleeves, the first connecting block and the second connecting block are ensured to synchronously pull and draw the clamp, stress is uniform, meanwhile, the connecting sleeves are connected with the piston rod of the hydraulic cylinder through flexible degree, and the piston rod of the hydraulic cylinder is prevented from being twisted and broken due to the fact that the direction of the piston rod of the hydraulic cylinder is not perpendicular to the direction of drawing force, so that the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a symmetry connecting device is drawn to copper pipe, includes first connecting block and second connecting block, one side joint in opposite directions of first connecting block and second connecting block has the adapter sleeve, the both ends of adapter sleeve all outwards extend, four sets of connecting screw holes that can pass through bolted connection with the clamp have all been seted up at the top of first connecting block and second connecting block.

Preferably, the connecting sleeve comprises a circular pipe fitting and a limiting ring, the circular pipe fitting is movably connected with a piston rod of the hydraulic cylinder, and the limiting ring is fixed on the outer surface of the circular pipe fitting and is positioned in the middle of the circular pipe fitting.

Preferably, a semicircular groove capable of clamping the round pipe is formed in one side, opposite to the first connecting block and the second connecting block, of the first connecting block, and a limiting groove capable of accommodating and limiting the limiting ring is formed in the semicircular groove.

Preferably, the first connecting block and the second connecting block are arranged in bilateral symmetry along the central axis of the circular pipe fitting, and all corners of the first connecting block and the second connecting block are right angles.

Preferably, the bottoms of the first connecting block and the second connecting block are respectively provided with a flat key groove which can be clamped with a flat key on the surface of the clamp, and the outer sides of the flat key grooves respectively penetrate through the first connecting block and the second connecting block and are communicated with the outside.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first connecting block and the second connecting block are completely symmetrical in left and right, the connecting sleeve is arranged at the centers of the first connecting block and the second connecting block, the hydraulic cylinder is directly connected with the first connecting block and the second connecting block through the connecting sleeve, the tensile force of the hydraulic cylinder acts on the first connecting block and the second connecting block at the same time, the stress of the first connecting block and the stress of the second connecting block are the same, the directions of the tensile force of the hydraulic cylinder are the same, in addition, the tensile force of the hydraulic cylinder is perpendicular to the moving directions of the first connecting block and the second connecting block, the first connecting block and the hydraulic cylinder cannot be broken due to uneven stress, the running cost of equipment is saved, the working efficiency is improved, and the labor intensity of the equipment is lightened.

2. According to the utility model, the first connecting block and the second connecting block can be stably fixed on the surface of the clamp through the four groups of connecting threaded holes, meanwhile, the stress is uniform, the clamp is conveniently driven to synchronously move, meanwhile, the flat key grooves and the flat keys on the surface of the clamp ensure the stability of the first connecting block and the second connecting block on the clamp, and the first connecting block and the second connecting block cannot generate displacement with the clamp, so that the stress of the clamp is uneven.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an exploded perspective view of the present utility model;

fig. 3 is a schematic view showing a bottom perspective structure of the present utility model.

Reference numerals in the drawings: 1. a first connection block; 2. a second connection block; 3. connecting sleeves; 31. round pipe fittings; 32. a limiting ring; 4. a connecting threaded hole; 5. a semicircular groove; 6. a limit groove; 7. flat key slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a copper pipe drawing symmetrical connection device as shown in figures 1-3, which comprises a first connection block 1 and a second connection block 2, wherein one opposite side of the first connection block 1 and the second connection block 2 is clamped with a connection sleeve 3, two ends of the connection sleeve 3 extend outwards, four groups of connection threaded holes 4 which can be connected with clamps through bolts are formed in the tops of the first connection block 1 and the second connection block 2, the connection sleeve 3 is completely symmetrical left and right through the first connection block 1 and the second connection block 2, the connection sleeve 3 is arranged at the center of the first connection block 1 and the second connection block 2, a hydraulic cylinder is directly connected with the first connection block 1 and the second connection block 2 through the connection sleeve 3, the tensile force of the hydraulic cylinder is simultaneously applied to the first connection block 1 and the second connection block 2, the stress of the first connection block 1 and the second connection block 2 is the same in size and the same in direction, in addition, the tensile force of the hydraulic cylinder is perpendicular to the moving direction of the first connection block 1 and the second connection block 2, the first connection block 1 and the second connection block 2 cannot be broken due to uneven stress, the equipment operation cost is saved, and the working strength of the equipment is improved.

The connecting sleeve 3 comprises a circular pipe fitting 31 and a limiting ring 32, the circular pipe fitting 31 is movably connected with a piston rod of the hydraulic cylinder, the limiting ring 32 is fixed on the outer surface of the circular pipe fitting 31 and is positioned in the middle of the circular pipe fitting 31, the roundness of the outer wall of the circular pipe is conveniently utilized to be movably connected with the piston rod of the hydraulic cylinder and the first connecting block 1 and the second connecting block 2 respectively through limiting the appearance of the connecting sleeve 3, so that the moving direction of the piston rod of the hydraulic cylinder is perpendicular to the moving direction of the first connecting block 1 and the second connecting block 2, and the stress is uniform, so that the piston rod of the hydraulic cylinder is prevented from being bent.

The semicircular groove 5 capable of clamping the round pipe fitting 31 is formed in one side, opposite to the first connecting block 1 and the second connecting block 2, of the semicircular groove 5, the limiting groove 6 capable of containing and limiting the limiting ring 32 is formed in the semicircular groove 5, the round pipe fitting 31 and the limiting ring 32 are contained through the semicircular groove 5 and the limiting groove 6, meanwhile, the first connecting block 1 and the second connecting block 2 are movably connected with the connecting sleeve 3, and the connecting sleeve 3 is uniformly stressed with the first connecting block 1 and the second connecting block 2 when moving.

The first connecting block 1 and the second connecting block 2 are arranged in bilateral symmetry along the central axis of the round pipe 31, the corners of the first connecting block 1 and the second connecting block 2 are right angles, the bilateral symmetry of the first connecting block 1 and the second connecting block 2 is arranged, the identity of the first connecting block 1 and the second connecting block 2 is guaranteed, and the stress is even when the first connecting block 1 and the second connecting block 2 draw a clamp.

The bottoms of the first connecting block 1 and the second connecting block 2 are respectively provided with a flat key groove 7 which can be clamped with a flat key on the surface of the clamp, the outer sides of the flat key grooves 7 respectively penetrate through the first connecting block 1 and the second connecting block 2 and are communicated with the outside, the flat key grooves 7 and the flat key on the surface of the clamp ensure the stability of the first connecting block 1 and the second connecting block 2 on the clamp, the first connecting block 1 and the second connecting block 2 cannot generate displacement with the clamp, and uneven stress of the clamp is caused.

When the clamp is specifically used, a user places the first connecting block 1 and the second connecting block 2 on the surface of the clamp, meanwhile, places the connecting sleeve 3 between the first connecting block 1 and the second connecting block 2, enables the limiting groove 6 to be clamped with the limiting ring 32, enables the semicircular groove 5 to be clamped with the circular pipe 31, simultaneously moves a flat key on the surface of the clamp into the flat key groove 7 at the bottom of the first connecting block 1 and the bottom of the second connecting block 2, performs preliminary alignment on the first connecting block 1 and the second connecting block, then pushes the first connecting block 1 and the second connecting block to be close to each other, simultaneously utilizes the bolt on the surface of the clamp to connect the threaded hole 4, fixes the first connecting block 1 and the second connecting block 2 with the clamp, simultaneously penetrates through the circular pipe 31, utilizes the expansion and contraction of the piston rod of the hydraulic cylinder to provide drawing force, then drives the connecting sleeve 3 to move, simultaneously drives the first connecting block 1 and the second connecting block 2 to move through the limiting groove 6, and then drives the clamp to move through the bolt and the flat key.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a symmetry connecting device is drawn to copper pipe, includes first connecting block (1) and second connecting block (2), its characterized in that: the connecting sleeve (3) is clamped at one opposite side of the first connecting block (1) and the second connecting block (2), two ends of the connecting sleeve (3) extend outwards, and four groups of connecting threaded holes (4) which can be connected with the clamp through bolts are formed in the tops of the first connecting block (1) and the second connecting block (2).

2. A symmetrical copper tube drawing connection according to claim 1, wherein: the connecting sleeve (3) comprises a circular pipe fitting (31) and a limiting ring (32), the circular pipe fitting (31) is movably connected with a piston rod of the hydraulic cylinder, and the limiting ring (32) is fixed on the outer surface of the circular pipe fitting (31) and is positioned in the middle of the circular pipe fitting (31).

3. A symmetrical copper tube drawing connection device according to claim 2, wherein: half-round grooves (5) capable of clamping round pipe pieces (31) are formed in one side, opposite to each other, of the first connecting block (1) and the second connecting block (2), and limiting grooves (6) capable of accommodating and limiting rings (32) are formed in the half-round grooves (5).

4. A symmetrical copper tube drawing connection device according to claim 2, wherein: the first connecting block (1) and the second connecting block (2) are arranged in bilateral symmetry along the central axis of the round pipe (31), and all corners of the first connecting block (1) and the second connecting block (2) are right angles.

5. A symmetrical copper tube drawing connection according to claim 1, wherein: the bottom of first connecting block (1) and second connecting block (2) all is provided with flat key groove (7) that can with clamp surface's flat key joint, the outside in flat key groove (7) runs through first connecting block (1) and second connecting block (2) respectively and communicates with the external world.

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