CN210016388U - Push rod type stepping micro electric cylinder - Google Patents

Abstract

The utility model discloses a miniature electronic jar of push-down step-by-step, the on-line screen storage device comprises a base, the front end fixed mounting at base top has the bearing frame, the inboard fixed mounting of bearing frame has the clamp plate, one side fixed mounting of clamp plate has linear bearing, linear bearing's inside has cup jointed the output shaft, the top fixed mounting of base has the slide rail, the one end of output shaft is located the top of slide rail, the top joint of slide rail has first slider. The utility model adopts the Japanese KSS micro-miniature precision ball screw, and can realize the ultra-miniature ball screw with the shaft diameter phi of 1.8mm and the lead of 0.5mm at the minimum, and realize the extremely high precision in an extremely small space; the precise miniature linear guide rails of the Japanese NB and the IKO are adopted, so that the precision is high, the service life is long, the abrasion is small, the noise is low, and the operation is stable; meanwhile, a German BKD precision-grade linear bearing is matched with a special linear guide shaft, so that the friction resistance is minimum, the precision is high, and the movement is rapid; high strength lightweight aviation level aluminum alloy fuselage.

Description

Push rod type stepping micro electric cylinder

Technical Field

The utility model relates to the technical field of mechanical equipment, specifically be the miniature electronic jar of push-down step-by-step.

Background

The electric push rod is an electric driving device for converting the rotary motion of a motor into the linear reciprocating motion of the push rod, and is used as an executing machine in various process flows to realize automatic control, the common electric push rod comprises a driving motor, a speed reducer, a screw nut and a control device, wherein the driving motor can adopt a direct current motor, an alternating current asynchronous motor, a stepping motor, a servo motor and other universal motors, most of high-precision electric push rods adopt the stepping motor, the stator winding of the common stepping motor adopts a distributed winding, the structure of the distributed winding is complex and is not beneficial to the miniaturization of the motor, and a mold accelerating structure formed by combining the universal motor, the speed reducer, the screw nut and other components makes the structure of the electric push rod complex and is not beneficial to the miniaturization of the electric push rod, the friction resistance of a guide shaft in a stepping micro electric cylinder used on the traditional, the push rod type stepping micro electric cylinder is low in precision and slow in movement, a coupler is needed during installation, and dynamic performance is poor, so that the push rod type stepping micro electric cylinder is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a step-by-step miniature electronic jar of push-down possesses the frictional resistance minimum, and the precision is high, and the swift advantage of motion has solved that guiding axle frictional resistance is big, and the precision is low, and the motion is slow, needs the shaft coupling when installing simultaneously, problem that dynamic property is poor.

In order to achieve the above object, the utility model provides a following technical scheme: push-down step-by-step miniature electronic jar, the on-line screen storage device comprises a base, the front end fixed mounting at base top has the bearing frame, the inboard fixed mounting of bearing frame has the clamp plate, one side fixed mounting of clamp plate has linear bearing, linear bearing's inside has cup jointed the output shaft, the top fixed mounting of base has the slide rail, the one end of output shaft is located the top of slide rail, the top joint of slide rail has first slider, one side fixed mounting of first slider has spacing piece, the bottom of spacing piece and the top fixed mounting of base, the top of slide rail and the one side joint that is located first slider have the second slider, one side fixed mounting of second slider has the motor board, the inside joint of motor board has the lead screw motor, the outside of lead screw motor and the top fixed mounting that is located the base have the apron.

Preferably, a bump is arranged between the motor plate and the second slider, one end of the bump is clamped with one side of the motor plate, and a positioning plate is fixedly mounted on the surface of the bump through a nut.

Preferably, the inside of apron is provided with the buffering and glues, the inside of first slider is glued in the one end joint of buffering.

Preferably, the lantern ring is sleeved on the surface of one end of the screw rod motor, one end of the lantern ring is located inside the first sliding block, and the surface of the lantern ring is connected with the sliding groove formed in the first sliding block in a clamping mode.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model adopts the Japanese KSS micro-miniature precision ball screw, and can realize the ultra-miniature ball screw with the shaft diameter phi of 1.8mm and the lead of 0.5mm at the minimum, and realize the extremely high precision in an extremely small space; the precise miniature linear guide rails of the Japanese NB and the IKO are adopted, so that the precision is high, the service life is long, the abrasion is small, the noise is low, and the operation is stable; meanwhile, a German BKD precision-grade linear bearing is matched with a special linear guide shaft, so that the friction resistance is minimum, the precision is high, and the movement is rapid; the high-strength lightweight aviation-grade aluminum alloy fuselage is provided; repeated positioning accuracy is +/-0.01 mm, and the maximum loadable weight (the shaft diameter phi 8mm and the lead is 1 mm): 100Kg of horizontal, 50Kg of vertical, rated thrust 888N, the highest speed is 50 mm/s; the high-performance driving assembly integrating the feed screw and the stepping motor is realized through the non-coupler, the motor is directly installed at the shaft end of the ball screw, the shaft center of the ball screw is enabled to be an ideal structure of the rotating shaft center of the motor, the idle running is extremely small, the direct installation structure is adopted, therefore, the coupler is not needed, the longitudinal direction is compact, and the problems that the friction resistance of the guide shaft is large, the precision is low, the movement is slow, the coupler is needed during installation, and the dynamic performance is poor are solved.

2. The utility model discloses a go up further improvement and upgrade on the basis of traditional miniature electronic jar, have that the acceleration is fast, positioning time is short, advantage that dynamic property is good, and is accurate simultaneously, firm, but the unipolar uses also can be used to the multiaxis combination, and the structure is succinct, can save mechanical design space, and this product can be used in semiconductor manufacturing equipment, microminiature automation equipment, check out test set, medical equipment and food machinery etc. in a great deal of fields.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an explosion diagram of the structure of the present invention.

In the figure: 1. a base; 2. a bearing seat; 3. pressing a plate; 4. a linear bearing; 5. a force output shaft; 6. a slide rail; 7. a first slider; 8. a limiting sheet; 9. a second slider; 10. a motor plate; 11. a screw motor; 12. a cover plate; 13. a nut; 14. and (7) buffer glue.

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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, a push rod type stepping micro electric cylinder includes a base 1, which is further improved and upgraded based on the conventional micro electric cylinder, and has the advantages of fast acceleration, short positioning time, and good dynamic performance, and is precise and firm, and can be used for single-axis use and multi-axis combination, and has a simple structure, and can save mechanical design space, and the product can be applied to various fields such as semiconductor manufacturing equipment, micro automation equipment, detection equipment, medical equipment, and food machinery, a bearing seat 2 is fixedly installed at the front end of the top of the base 1, a pressing plate 3 is fixedly installed at the inner side of the bearing seat 2, a linear bearing 4 is fixedly installed at one side of the pressing plate 3, a force output shaft 5 is sleeved inside the linear bearing 4, a slide rail 6 is fixedly installed at the top of the base 1, one end of the force output shaft 5 is located at the top of the slide rail 6, and a first slide block 7 is, a limiting piece 8 is fixedly arranged on one side of a first sliding block 7, the bottom of the limiting piece 8 is fixedly arranged on the top of a base 1, a second sliding block 9 is clamped on one side of the first sliding block 7 on the top of a sliding rail 6, a motor plate 10 is fixedly arranged on one side of the second sliding block 9, a convex block is arranged between the motor plate 10 and the second sliding block 9, one end of the convex block is clamped with one side of the motor plate 10, a positioning plate is fixedly arranged on the surface of the convex block through a nut 13, a lead screw motor 11 is clamped in the motor plate 10, a sleeve ring is sleeved on the surface of one end of the lead screw motor 11, one end of the sleeve ring is positioned in the first sliding block 7, the surface of the sleeve ring is clamped with a chute arranged in the first sliding block 7, a cover plate 12 is fixedly arranged on the outer portion of the lead screw motor 11 and above the base 1, a buffer glue 14 is arranged in the cover plate 12, by adopting the Japanese KSS micro-miniature precise ball screw, the ultra-miniature ball screw with the shaft diameter phi of 1.8mm and the lead of 0.5mm can be realized at minimum, and the extremely high precision is realized in a very small space; the precise miniature linear guide rails of the Japanese NB and the IKO are adopted, so that the precision is high, the service life is long, the abrasion is small, the noise is low, and the operation is stable; meanwhile, the German BKD precision-grade linear bearing 4 is matched with a special linear guide shaft, so that the friction resistance is minimum, the precision is high, and the movement is rapid; the high-strength lightweight aviation-grade aluminum alloy fuselage is provided; repeated positioning accuracy is +/-0.01 mm, and the maximum loadable weight (the shaft diameter phi 8mm and the lead is 1 mm): 100Kg of horizontal, 50Kg of vertical, rated thrust 888N, the highest speed is 50 mm/s; the high-performance driving assembly integrating the feed screw and the stepping motor is realized through the non-coupler, the motor is directly installed at the shaft end of the ball screw, the shaft center of the ball screw is enabled to be an ideal structure of the rotating shaft center of the motor, the idle running is extremely small, the direct installation structure is adopted, therefore, the coupler is not needed, the longitudinal direction is compact, and the problems that the friction resistance of the guide shaft is large, the precision is low, the movement is slow, the coupler is needed during installation, and the dynamic performance is poor are solved.

The standard parts used in the present application document can be purchased from the market, each part in the present application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding and the like in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, the control mode is automatically controlled through a controller, the control circuit of the controller can be realized through simple programming by a person skilled in the art, the present application document belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the present application document does not explain the control mode and the circuit connection in detail, and the detailed description is not given here.

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. Step-by-step miniature electronic jar of push-down, including base (1), its characterized in that: the front end of the top of the base (1) is fixedly provided with a bearing seat (2), the inner side of the bearing seat (2) is fixedly provided with a pressing plate (3), one side of the pressing plate (3) is fixedly provided with a linear bearing (4), the interior of the linear bearing (4) is sleeved with a force output shaft (5), the top of the base (1) is fixedly provided with a slide rail (6), one end of the force output shaft (5) is positioned at the top of the slide rail (6), the top of the slide rail (6) is clamped with a first slide block (7), one side of the first slide block (7) is fixedly provided with a limiting piece (8), the bottom of the limiting piece (8) is fixedly arranged with the top of the base (1), the top of the slide rail (6) is clamped with a second slide block (9) at one side of the first slide block (7), one side of the second slide block (9) is fixedly provided with a motor plate (, the inside joint of motor board (10) has lead screw motor (11), the outside of lead screw motor (11) is located the top fixed mounting of base (1) and is had apron (12).

2. The pusher-type stepping micro electric cylinder according to claim 1, wherein: a bump is arranged between the motor plate (10) and the second sliding block (9), one end of the bump is clamped with one side of the motor plate (10), and a positioning plate is fixedly mounted on the surface of the bump through a nut (13).

3. The pusher-type stepping micro electric cylinder according to claim 1, wherein: the inside of apron (12) is provided with buffer glue (14), the inside of the one end joint of buffer glue (14) in first slider (7).

4. The pusher-type stepping micro electric cylinder according to claim 1, wherein: the lantern ring is sleeved on the surface of one end of the screw rod motor (11), one end of the lantern ring is located inside the first sliding block (7), and the surface of the lantern ring is connected with the sliding groove formed inside the first sliding block (7) in a clamping mode.

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