CN220944238U - Multi-station automatic progressive feeding pipe end machining clamp - Google Patents

Abstract

The utility model discloses a pipe end machining fixture capable of achieving multi-station automatic progressive feeding, which comprises a discharging frame, wherein a multi-station clamping assembly is arranged at the discharging end of the discharging frame, a lower clamping piece of the multi-station clamping assembly is vertically lifted relative to the discharging end of the discharging frame and is used for discharging materials one by one from the discharging frame into a limit female die at the head end of the lower clamping piece and lifting pipe fittings to be flush with pipe end machining equipment; the clamping surface of the lower clamping piece is provided with a feeding mechanism in a lifting manner and is used for lifting and placing the pipe fitting to lift off or fall into the limit female die of the lower clamping piece; the feeding mechanism transversely slides relative to the clamping surface of the lower clamping piece, and the sliding direction is consistent with the arrangement direction of the limiting female dies. According to the utility model, the multi-station progressive feeding is realized through the cooperation action of the lower clamping piece and the feeding mechanism which are arranged in a relative movement manner, so that the occupied space of the action is reduced, the structure is compact, and the occupied space of the whole structure is reduced.

Description

Multi-station automatic progressive feeding pipe end machining clamp

Technical Field

The utility model relates to the technical field of pipe fitting machining equipment, in particular to a pipe end machining clamp capable of achieving multi-station automatic progressive feeding.

Background

In pipe end machining, a relatively complex end machining process usually exists, the machining process can be completed through a plurality of continuous working procedures, in order to improve machining efficiency and reduce machining cost, the machining process is usually realized through multi-station synchronous machining, but due to the fact that the multi-station is sequentially and continuously arranged, progressive feeding among the multi-station is usually realized through an industrial robot, the occupied space of the whole structure is large, the motion logic execution track of the mechanical arm is complex, a large movable space is required to be provided, movable interference is avoided, and the occupied space of the whole structure is further increased.

Disclosure of Invention

The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the pipe end machining clamp capable of realizing multi-station progressive feeding through the cooperation action of the lower clamping piece and the feeding mechanism which are arranged in a relative movement manner, so that the occupied space of the action is reduced, the structure is compact, and the occupied space of the whole structure is reduced.

The technical scheme is as follows: in order to achieve the purpose, the pipe end machining clamp comprises a discharging frame, wherein a multi-station clamping assembly is arranged at the discharging end of the discharging frame and comprises an upper clamping piece and a lower clamping piece, and a plurality of groups of limiting concave dies are correspondingly arranged on the upper clamping piece and the lower clamping piece; the lower clamping piece is vertically lifted relative to the discharging end of the discharging frame and is used for discharging materials from the discharging frame into the limiting female die at the head end of the lower clamping piece one by one and lifting the pipe fitting to be flush with pipe end processing equipment; the clamping surface of the lower clamping piece is provided with a feeding mechanism in a lifting manner and is used for lifting and placing the pipe fitting to lift off or fall into the limit female die of the lower clamping piece; the feeding mechanism transversely slides relative to the clamping surface of the lower clamping piece, and the sliding direction is consistent with the arrangement direction of the limiting female dies.

Further, one end, close to the discharging frame, of the lower clamping piece is a head end, and an inclined material guiding surface is arranged between the first limiting female die approaching to the head end and the discharging end of the discharging frame; the inclined guide surface is arranged from the discharge end to the limit female die in a downward inclined mode.

Further, the upper supporting surface of the feeding mechanism is parallel to the clamping surface of the lower clamping piece.

Further, a plurality of clamping grooves are arranged on the upper supporting surface of the feeding mechanism, and the clamping grooves are arranged corresponding to the limiting concave dies of the lower clamping piece.

Further, a plurality of the clamping grooves are arranged at equal intervals.

Further, the feeding mechanism comprises two supporting units, the two supporting units respectively support two ends of the pipe fitting, and the two supporting units synchronously lift or slide; the lower clamping piece is correspondingly provided with a sliding groove for the supporting unit to move.

Further, the blowing frame includes the blowing groove that the slope set up, the blowing groove is by feed end to discharge end downward sloping setting, arrange by the feed end to the discharge end in the blowing groove and lay a plurality of pipe fittings that wait to process.

The beneficial effects are that: according to the pipe end machining clamp with the multi-station automatic progressive feeding function, the clamping assembly and the feeding assembly which move relatively are adopted, the progressive feeding among the multi-station is completed by means of movable matching of the clamping assembly and the feeding assembly, feeding of the first section and discharging of the tail end are completed when the pipe end machining clamp is used, and a continuous process of full-automatic feeding, feeding and discharging of pipe end machining is achieved; and the two motion tracks are simple and are only carried out in a small-range area in a single vertical plane, the moving space required by feeding action is small, most of the two structures are overlapped, and the difference area of the relative motion tracks is small, so that the whole structure is compact, and finally the occupied space of the whole structure is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the lower clamping member and the feeding mechanism according to an embodiment of the present utility model;

Fig. 3 is a schematic top view of a portion of an embodiment of the present utility model.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

The pipe end machining fixture with the automatic progressive feeding function comprises a discharging frame 1, wherein a multi-station clamping assembly 2 is arranged at the discharging end of the discharging frame 1, the multi-station clamping assembly 2 comprises an upper clamping piece 21 and a lower clamping piece 22, and a plurality of groups of limiting female dies 23 are correspondingly arranged on the upper clamping piece 21 and the lower clamping piece 22; the lower clamping piece 22 is vertically lifted relative to the discharging end of the discharging frame 1, and is used for discharging materials from the discharging frame one by one into a limit female die 23 at the head end of the lower clamping piece 22, and lifting the pipe fitting to be flush with pipe end processing equipment; the clamping surface of the lower clamping piece 22 is provided with a feeding mechanism 3 in a lifting manner, and the feeding mechanism is used for lifting and placing the pipe fitting to lift off or fall into a limit female die 23 of the lower clamping piece 22; the feeding mechanism 3 slides transversely relative to the clamping surface of the lower clamping piece 22, and the sliding direction is consistent with the arrangement direction of the limiting female dies 23.

Each group of limiting concave dies 23 comprises an upper limiting concave die and a lower limiting concave die which are respectively and correspondingly positioned on the clamping surfaces of the upper clamping assembly and the lower clamping assembly, when the two clamping assemblies are close to each other, a pipe fitting is clamped through the upper limiting concave die and the lower limiting concave die in a limiting mode, each group of limiting concave dies corresponds to a processing station, each processing station corresponds to pipe end processing equipment, a plurality of processing stations correspond to a plurality of continuous processing process steps, and the pipe fitting is required to be sequentially placed into the plurality of processing stations for processing until the pipe end processing of the pipe fitting is finally completed through all the processing steps.

The scheme realizes the continuous process of automatic feeding, progressive feeding among multiple stations and automatic discharging through the cooperation action of the lower clamping piece and the feeding mechanism which are arranged by relative movement, and specifically comprises the following processes:

After one pipe end machining is completed, the upper clamping piece is lifted away from the lower clamping piece so as to loosen the clamped pipe fitting; then the lower clamping piece and the feeding mechanism synchronously act, the lower clamping piece descends, and the feeding mechanism ascends; when the upper supporting surface of the feeding mechanism is higher than the clamping surface of the lower clamping piece, the pipe fitting in the limiting female die is lifted to be separated from the lower clamping piece; then the pipe fitting is carried by the feeding mechanism to slide to the rear side, so that the pipe fitting in the previous limit female die moves to a position corresponding to the subsequent limit female die; then the feeding mechanism descends to enable the pipe fitting to fall into the corresponding limit concave die after sliding adjustment, and the pipe fitting originally positioned in the tail end limit concave die falls onto the stock frame 5 for temporarily storing the pipe fitting after processing;

In the process, when the lower clamping piece 22 descends to the state that the clamping surface of the lower clamping piece is flush with the discharging end of the discharging frame, the pipe fitting at the discharging port slides to the clamping surface, and when the feeding mechanism slides to the lower clamping piece by a distance not exceeding the pipe diameter of one pipe fitting, the lower clamping piece 22 ascends again, so that other pipe fittings on the discharging frame are intercepted to slide to the clamping surface, the pipe fitting sliding to the clamping surface falls into the limiting female die 23 at the head end, and continuous single-pipe feeding is realized; when pipe fittings exist in all the limit concave dies, the lower clamping piece is continuously lifted to be flush with the pipe end processing equipment, and the upper clamping piece descends to be matched with the lower clamping piece to clamp the pipe fittings, so that the pipe end processing equipment can perform stable pipe end processing; and the feeding mechanism is reset to the standby position to prepare for the next progressive feeding.

The lower clamping assembly performs reciprocating lifting motion, the feeding structure performs rectangular track circumferential motion formed by lifting and sliding combination, the motion execution logic of the feeding structure and the feeding structure is simple, the displacement of the relative motion is small, too much motion execution space is not needed, the feeding structure can be driven by the oil cylinder, the occupied space of the whole structure can be reduced, most of the feeding structure is overlapped, the whole structure is compact, and the occupied space of the whole structure is further reduced.

One end of the lower clamping piece 22, which is close to the discharging frame 1, is a head end, and an inclined material guiding surface 4 is arranged between the first limit female die 23, which is close to the head end, and the discharging end of the discharging frame 1; the inclined guide surface 4 is arranged from the discharge end to the limit female die 23 in a downward inclined manner. Through setting up slope guide face for in making the pipe fitting that is released by blowing frame discharge end can roll to first spacing die naturally, realize quick single tube material loading.

The upper supporting surface of the feeding mechanism 3 is parallel to the clamping surface of the lower clamping piece 22, and both the upper supporting surface and the clamping surface are horizontally arranged; the upper supporting surface of the feeding mechanism 3 is provided with a plurality of clamping grooves 31 in a arrayed manner, and the clamping grooves 31 are arranged corresponding to the limiting female dies 23 of the lower clamping piece 22; when guaranteeing to rise and lift up the pipe fitting, the pipe fitting can just fall into corresponding draw-in groove to make the pipe fitting slide the transposition together along with feeding mechanism, two equal levels in plane set up, make the in-process of putting pipe fitting and horizontal transportation pipe fitting of carrying guarantee the stability of pipe fitting, avoid the pipe fitting roll-off or roll out the draw-in groove, guarantee the stability of pay-off process.

The clamping grooves 31 are arranged at equal intervals; corresponding limit concave dies are equally arranged and distributed at equal intervals, and the intervals are consistent. The feeding mechanism can be ensured to move a fixed preset distance relative to the lower clamping piece, and the progressive feeding process between multiple stations can be completed simultaneously.

Examples:

The feeding mechanism 3 comprises two supporting units 32, the two supporting units 32 respectively support two ends of the pipe fitting, and the two supporting units 32 synchronously lift or slide; the lower clamping member 22 is correspondingly provided with a chute 24 for the supporting unit 32 to move. Through supporting the pipe fitting both ends, can further guarantee to carry the stability of putting the pipe fitting and the pipe fitting process of conveying forward. Through offer the spout in lower holder inside and supply the supporting unit action, can satisfy compact structure's demand, further reduce overall structure's occupation space. The chute extends back to the stock rack 5, facilitating the support unit to move to the stock rack and descend so that the pipe fitting falls on the discharge rack.

The discharging frame 1 comprises a discharging groove 11 which is obliquely arranged, the discharging groove 11 is obliquely arranged downwards from a feeding end to a discharging end, and a plurality of pipe fittings to be processed are arranged in the discharging groove 11 from the feeding end to the discharging end. The pipe fitting can naturally roll to supplement materials along the inclined discharging groove, and when the pipe fitting positioned at the discharging end rolls to the clamping surface, the pipe fitting at the rear can be supplemented to the discharging end again under the action of dead weight; of course, the vertical discharging groove 11 arranged right above the inclined material guiding surface 4 can achieve the same effect, the former can intercept the pipe fitting of the discharging end by taking the front end surface of the rising lower clamping piece as a blocking section, the purpose of only allowing single-pipe feeding is achieved, and the latter can achieve the purpose by taking the inclined material guiding surface 4 as the blocking section.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims (7)

1. A pipe end processing clamp of automatic progressive feeding of multistation, its characterized in that: the automatic feeding device comprises a feeding frame (1), wherein a multi-station clamping assembly (2) is arranged at the discharging end of the feeding frame (1), the multi-station clamping assembly (2) comprises an upper clamping piece (21) and a lower clamping piece (22), and a plurality of groups of limit female dies (23) are correspondingly arranged and distributed on the clamping surfaces of the upper clamping piece (21) and the lower clamping piece (22); the lower clamping piece (22) is vertically lifted relative to the discharging end of the discharging frame (1) and is used for discharging materials one by one from the discharging frame into a limit female die (23) at the head end of the lower clamping piece (22) and lifting the pipe fitting to be flush with pipe end processing equipment; the clamping surface of the lower clamping piece (22) is provided with a feeding mechanism (3) in a lifting manner, and the feeding mechanism is used for lifting and placing a pipe fitting to lift or fall into a limit female die (23) of the lower clamping piece (22); the feeding mechanism (3) transversely slides relative to the clamping surface of the lower clamping piece (22), and the sliding direction is consistent with the arrangement direction of the limiting female dies (23) on the feeding mechanism.

2. The multi-station automatic progressive feed pipe end machining fixture of claim 1, wherein: one end, close to the discharging frame (1), of the lower clamping piece (22) is a head end, and an inclined material guiding surface (4) is arranged between the first limit female die (23) close to the head end and the discharging end of the discharging frame (1); the inclined guide surface (4) is arranged in a downward inclined manner from the discharge end to the limit female die (23).

3. The multi-station automatic progressive feed pipe end machining fixture of claim 2, wherein: the upper supporting surface of the feeding mechanism (3) is parallel to the clamping surface of the lower clamping piece (22).

4. A multi-station automatic progressive feed pipe end machining fixture as defined in claim 3, wherein: the upper supporting surface of the feeding mechanism (3) is provided with a plurality of clamping grooves (31) in a arrayed mode, and the clamping grooves (31) are arranged corresponding to the limiting concave dies (23) of the lower clamping piece (22).

5. The multi-station automatic progressive feed pipe end machining fixture of claim 4, wherein: the clamping grooves (31) are distributed at equal intervals.

6. The multi-station automatic progressive feed pipe end machining fixture of claim 5, wherein: the feeding mechanism (3) comprises two supporting units (32), the two supporting units (32) respectively support two ends of the pipe fitting, and the two supporting units (32) synchronously lift or slide; the lower clamping piece (22) is correspondingly provided with a sliding groove (24) for the supporting unit (32) to move.

7. The multi-station automatic progressive feed pipe end machining fixture of claim 5, wherein: the discharging frame (1) comprises a discharging groove (11) which is obliquely arranged, the discharging groove (11) is obliquely arranged from a feeding end to a discharging end, and a plurality of pipe fittings to be processed are arranged in the discharging groove (11) from the feeding end to the discharging end.