CN215092090U - Positioning and clamping device for machining oil well pump shell - Google Patents

Abstract

The utility model discloses a positioning and clamping device for processing an oil well pump shell, which comprises a workpiece, a positioning pin, an automatic clamp, a rotary disc, an upper protective plate, a damping spring, a rotating motor, a lower protective plate and a base, wherein the upper surface of the base is connected with the lower protective plate, two groups of symmetrical U-shaped notches are left on the lower protective plate, the damping spring is arranged in the lower protective plate, the upper protective plate is arranged between the damping spring and the lower protective plate, the rotating motor is arranged in the damping spring, the output shaft of the rotating motor is connected with the rotary disc, the lower surface of the rotary disc is fixedly connected with the upper end of the upper protective plate, the upper surface of the rotary disc is provided with the automatic clamp and the workpiece, and the rotary disc is connected with a flange plate at the lower end of the workpiece through four groups of positioning pins, the processing efficiency is improved, the processing precision is ensured, and convenience is brought to people.

Description

Positioning and clamping device for machining oil well pump shell

Technical Field

The utility model relates to a positioning fixture technical field specifically is a positioning and clamping device is used in processing of oil-well pump casing.

Background

With the rapid development of the machining industry, the machining requirements of many products gradually develop towards high precision and large machining amount, so that new challenges are brought to the machining industry, but many existing machining still depends on a manual assembly mode for machining, and the traditional machining method cannot meet the requirements of customers.

Particularly, when machining a multi-hole workpiece such as an oil pump shell, the workpiece needs to be clamped once again without completing a hole, when the number of holes of the oil pump shell is large, the workpiece needs to be clamped, disassembled and machined repeatedly, the machining period of the whole part is long, the number of tool fixtures is large, the manual operation procedures are complicated, some operation steps are easy to omit in manual clamping, the machining quality of the workpiece after repeated manual clamping is unstable, particularly, the position precision among the holes is not easy to guarantee, the machining efficiency is low, and the labor intensity is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a positioning and clamping device is used in processing of oil-well pump casing, can realize the ring flange of automatic clamping oil pump lower extreme, it is rotatory to drive the work piece through the rotating electrical machines simultaneously, can realize the automatic processing of a plurality of hole bodies on the work piece, saves artifical clamping dismantlement time, has improved machining efficiency, has guaranteed the machining precision, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil-well pump casing processing is with positioning clamping device, which comprises a workpiece, the locating pin, automatic clamp, the carousel, go up the backplate, damping spring, the rotating electrical machines, backplate and base down, the base upper surface is connected with backplate down, leave the U type breach of two sets of symmetries on the backplate down, and be equipped with damping spring in the backplate down, be equipped with the backplate between damping spring and the backplate down, and be equipped with the rotating electrical machines in the damping spring, the output shaft and the carousel of rotating electrical machines are connected, carousel lower surface and last backplate upper end fixed connection, the carousel upper surface is equipped with automatic clamp and work piece, and the carousel is connected with the ring flange of work piece lower extreme through four groups of locating pins.

Further, the automatic clamp comprises a sliding piece, the end portion of the sliding piece is connected with a screw rod through a sliding block, the left end of the screw rod is connected with an output shaft of the servo motor, the screw rod is located in a transverse connecting rod, and the right side of the transverse connecting rod is connected with a fixing piece.

Furthermore, the lower surfaces of the transverse connecting rod and the fixing piece are fixedly connected with the upper surface of the turntable.

Furthermore, the upper end of the rotating motor is connected with the upper end of the damping spring through a connecting plate, and the height of the rotating motor body is smaller than that of the damping spring.

Compared with the prior art, the beneficial effects of the utility model are that: this oil-well pump casing processing is with positioning and clamping device has following benefit:

1. the utility model discloses on set up the locating pin, be connected with the ring flange of work piece lower extreme through four group's locating pins, can carry out a quick location to the work piece, avoid appearing installation error, avoided appearing the phenomenon of rocking in the course of working simultaneously, and then guaranteed work piece machining precision.

2. The utility model discloses on set up automatic clamp, servo motor drives the slider removal as the power supply through the lead screw, not only realizes the tight process of automatic clamp, still can be applicable to not unidimensional work piece simultaneously, has saved the manual work and has pressed from both sides the dress dismantlement time, has improved machining efficiency greatly, improves positioning accuracy.

3. The utility model discloses on set up the rotating electrical machines, the rotating electrical machines passes through the carousel and drives the work piece and rotate, realizes the porous automated processing of work piece casing, avoids the loaded down with trivial details process of many times clamping, dismantlement many times, processing many times, automatic rotary processing simultaneously to realized the stability of work piece rotary processing, guaranteed the precision of the position between each hole promptly, mentioned the yield of work piece.

4. The utility model discloses on set up damping spring, damping spring can cushion the vibrations that the work piece produced in the course of working, improves the processingquality of product.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a schematic view of the structure of the automatic clamp of the present invention.

In the figure: 1 workpiece, 2 positioning pins, 3 automatic clamps, 301 sliding parts, 302 servo motors, 303 sliding blocks, 304 screw rods, 305 transverse connecting rods, 306 fixing parts, 4 turntables, 5 upper protective plates, 6 damping springs, 7 rotating motors, 8 lower protective plates and 9 bases.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a positioning and clamping device for processing an oil well pump shell comprises a workpiece 1, a positioning pin 2, an automatic clamp 3, a rotary table 4, an upper protective plate 5, a damping spring 6, a rotary motor 7, a lower protective plate 8 and a base 9, wherein the upper surface of the base 9 is connected with the lower protective plate 8, two groups of symmetrical U-shaped notches are reserved on the lower protective plate 8, the damping spring 6 is arranged in the lower protective plate 8, the upper protective plate 5 is arranged between the damping spring 6 and the lower protective plate 8, the upper protective plate 5 and the lower protective plate 8 not only have a protection effect on the damping spring 6 and the rotary motor 7 in the processing process, but also prevent the shell splashed in the processing process from entering the equipment, prolong the service life of the equipment, the rotary motor 7 is arranged in the damping spring 6, an output shaft of the rotary motor 7 is connected with the rotary table 4, the lower surface of the rotary table 4 is fixedly connected with the upper end of the upper protective plate 5, the upper surface of the rotary table 4 is provided with the automatic clamp 3 and the workpiece 1, the rotary table 4 is connected with a flange plate at the lower end of the workpiece 1 through four groups of positioning pins 2, the input end of a rotary motor 7 is electrically connected with the output end of an external PLC, the rotary motor 7 is used as a power source, the positioning pins 2 and an automatic clamp 3 clamp the workpiece 1 in a double positioning manner, so that the stability is ensured, the processing precision of the workpiece 1 is also ensured, meanwhile, the vibration generated in the processing process of the workpiece 1 is buffered through a damping spring 6, the processing quality of a product is improved, the automatic clamp 3 comprises a sliding part 301, the end part of the sliding part 301 is connected with a screw rod 304 through a sliding block 303, the left end of the screw rod 304 is connected with an output shaft of a servo motor 302, the screw rod 304 is positioned in a transverse connecting rod 305, the right side of the transverse connecting rod 305 is connected with a fixing part 306, the input end of the servo motor 302 is electrically connected with the output end of the external PLC, the screw rod 304 is driven to rotate through the output end of the servo motor 302, so that the sliding part 301 moves right through the sliding block 303 until the flange plate at the lower end of the workpiece 1 is clamped, therefore, the process of automatic clamping is realized, the device is suitable for workpieces with different sizes, the manual clamping and dismounting time is saved, the processing efficiency is greatly improved, the positioning precision is improved, the lower surfaces of the transverse connecting rod 305 and the fixing piece 306 are fixedly connected with the upper surface of the turntable 4, the upper end of the rotating motor 7 is connected with the upper end of the damping spring 6 through the connecting plate, the height of the body of the rotating motor 7 is less than that of the damping spring 6, the rotating motor 7 drives the workpiece 1 to rotate through the turntable 4, the porous automatic processing of the shell of the workpiece 1 is realized, the complex procedures of multiple clamping, multiple dismounting and multiple processing are avoided, meanwhile, the automatic rotary processing is realized, the stability of the rotary processing of the workpiece 1 is realized, namely, the accuracy of the positions among all pores is ensured, the finished product rate of the workpiece is improved, and meanwhile, the vibration generated in the processing process of the workpiece 1 can be buffered through the damping spring 6, the processing quality of the product is improved.

When in use: firstly, the through hole on the flange plate at the lower end of the workpiece 1 is aligned with the positioning pin 2, so as to realize the first-step positioning of the workpiece 1, then the moving signal is transmitted to the servo motor 302 through the external PLC, thereby driving the sliding part 301 to move rightwards until the flange plate at the lower end of the workpiece 1 is clamped and fixed, thereby realizing the automatic positioning and clamping of the workpiece 1, saving the time for manual clamping and dismounting, greatly improving the processing efficiency, improving the positioning precision, finally processing the shell of the workpiece 1, driving the workpiece 1 to rotate through the turntable 4 by the rotating motor 7, realizing the porous automatic processing of the shell of the workpiece 1, avoiding the complex procedures of multiple clamping, multiple dismounting and multiple processing, simultaneously realizing the automatic rotary processing, thereby realizing the stability of the rotary processing of the workpiece 1, namely ensuring the precision of the position among each pore space and improving the yield of the workpiece, the utility model relates to a simply, the structure is ingenious, not only realizes that the automatic location of work piece is tight, can realize the automatic processing of a plurality of hole bodies on the work piece simultaneously, saves artifical clamping dismantlement time, has improved machining efficiency, has guaranteed the machining precision, facilitates for people.

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

Claims (4)

1. The utility model provides an oil-well pump casing processing is with positioning clamping device, includes work piece (1), locating pin (2), automatic clamp (3), carousel (4), goes up backplate (5), damping spring (6), rotating electrical machines (7), backplate (8) and base (9) down, its characterized in that: base (9) upper surface is connected with backplate (8) down, leave the U type breach of two sets of symmetries on backplate (8) down, and be equipped with damping spring (6) down in backplate (8), be equipped with between damping spring (6) and backplate (8) down backplate (5), and be equipped with rotating electrical machines (7) in damping spring (6), the output shaft and carousel (4) of rotating electrical machines (7) are connected, carousel (4) lower surface and last backplate (5) upper end fixed connection, carousel (4) upper surface is equipped with automatic clamp (3) and work piece (1), and carousel (4) are connected with the ring flange of work piece (1) lower extreme through four group's locating pin (2).

2. The positioning and clamping device for machining the oil well pump shell according to claim 1, characterized in that: the automatic clamp (3) comprises a sliding piece (301), the end part of the sliding piece (301) is connected with a screw rod (304) through a sliding block (303), the left end of the screw rod (304) is connected with an output shaft of a servo motor (302), the screw rod (304) is positioned in a transverse connecting rod (305), and the right side of the transverse connecting rod (305) is connected with a fixing piece (306).

3. The positioning and clamping device for machining the oil well pump shell as claimed in claim 2, wherein: the lower surfaces of the transverse connecting rod (305) and the fixing piece (306) are fixedly connected with the upper surface of the turntable (4).

4. The positioning and clamping device for machining the oil well pump shell according to claim 1, characterized in that: the upper end of the rotating motor (7) is connected with the upper end of the damping spring (6) through a connecting plate, and the height of the body of the rotating motor (7) is smaller than that of the damping spring (6).

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