CN217845833U

CN217845833U - Electrohydraulic servo press

Info

Publication number: CN217845833U
Application number: CN202221344156.8U
Authority: CN
Inventors: 文瑞华; 杨善雷
Original assignee: Jinan Wenteng Test Instrument Co ltd
Current assignee: Jinan Wenteng Test Instrument Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-18
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to a pressure detection equipment technical field specifically is electricity liquid servo press, including base and roof, the top of base all around with the bottom of roof is equipped with the pillar between all around, the base bottom is equipped with the sill pillar all around, the bottom of base is equipped with the oil tank, the top of base is equipped with the hydro-cylinder, the hydro-cylinder with be equipped with the valves between the oil tank, the top both sides of base are equipped with the backup pad, the top of hydro-cylinder is equipped with down the pressure disk, two bottom base of pressure disk down the top of backup pad, one side of roof is equipped with the motor, has solved current compression testing machine and when carrying out compression test to the material that building engineering used, need use fastening device to fasten the object, and current fastening device occupation space is great, can not carry out the problem fastened to the less object of size.

Description

Electrohydraulic servo press

Technical Field

The utility model relates to a pressure detection equipment technical field specifically is electricity liquid servo press.

Background

As is well known, in the production of building engineering materials such as stone and concrete according to the GB, ISO, and SM standards, a pressure tester is required to sample the materials to meet the standards before the materials can be used normally.

When the existing pressure testing machine is used for carrying out pressure testing on materials for building engineering, a fastening mechanism is needed to fasten objects, and the existing fastening mechanism has the problems that the occupied space is large, and the objects with small sizes cannot be fastened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an electricity liquid servo press.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: electro-hydraulic servo press, including base and roof, the top of base all around with the bottom of roof is equipped with the pillar between all around, the base bottom is equipped with the foundation all around, the bottom of base is equipped with the oil tank, the top of base is equipped with the hydro-cylinder, the hydro-cylinder with be equipped with the valves between the oil tank, the top both sides of base are equipped with the backup pad, the top of hydro-cylinder is equipped with down the pressure disk, the bottom base of pressure disk is two down the top of backup pad, one side of roof is equipped with the motor, the trompil has been seted up on the roof, be equipped with the screw on the trompil, be equipped with the lead screw on the screw, the output of motor with be equipped with the sprocket between the lead screw, the bottom of lead screw is equipped with the bearing, the bottom of bearing is equipped with the top board, be equipped with guiding mechanism on the top board.

In order to facilitate leading to the top board, the utility model discloses the improvement has, guiding mechanism includes the leading truck, the leading truck is installed one side of top board, the guide way has been seted up to one side of leading truck, the shaft hole has been seted up, two to the both sides of guide way be equipped with the guiding axle between the shaft hole, be equipped with the leading wheel on the guiding axle, the guiding way is equipped with two and symmetry settings, guiding mechanism is equipped with two and symmetry settings.

For the convenience of the distance that the pressure disk removed under the detection, the utility model discloses the improvement has, be equipped with the displacement encoder that acts as go-between on the base, the displacement encoder's that acts as go-between output is connected the pressure disk down.

For the convenience of the dynamometry of weighing to pressing down the dish, the utility model discloses the improvement has, the bottom of lower pressure disk is equipped with weighing force cell sensor.

In order to improve the control accuracy, the utility model discloses the improvement has, the valves is the servovalve.

Drop on the lead screw in order to reduce the dust, the utility model discloses the improvement has, the top of roof is equipped with dustproof shell, dustproof shell is located the outside of lead screw.

In order to reduce the dust and drop on the sprocket, the utility model discloses the improvement has, the top of roof is equipped with the dust cover, the dust cover is located the outside of sprocket.

(III) advantageous effects

Compared with the prior art, the utility model provides an electricity liquid servo press possesses following beneficial effect:

the electro-hydraulic servo press machine comprises a lower pressing plate, a motor, a valve group and an oil cylinder, wherein an object to be tested is placed on the lower pressing plate by a person, the person operates a controller to control the motor, the valve group and the oil cylinder, the oil supply to the oil cylinder is adjusted through a control valve group, oil in an oil tank enters the oil cylinder through the valve group, the object on the lower pressing plate and the object on the lower pressing plate move upwards through the control oil cylinder, an output end of the motor rotates a chain wheel, the chain wheel drives a screw rod to rotate, the screw rod rotates downwards in a screw on an opening, the screw rod drives a bearing to rotate, the upper pressing plate moves along with the bearing through a guide mechanism on the bearing and the upper pressing plate, the upper pressing plate does not rotate, the lower pressing plate presses the object on the lower pressing plate, pressure detection is carried out on the object, after the detection is completed, the motor, the valve group and the oil cylinder are controlled, the motor rotates reversely, the screw rod rotates upwards in the screw rod in the screw, the upper pressing plate moves upwards, the screw rod and the upper pressing plate resets, and oil return force is removed through an auxiliary flow box.

Drawings

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

FIG. 2 is a left side half-sectional view of the structure of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a top half sectional view of the dust boot of FIG. 1 according to the present invention;

fig. 5 is a top half sectional view of the upper platen of fig. 1 according to the present invention.

In the figure: 1. a base; 2. a top plate; 3. a pillar; 4. a bottom pillar; 5. an oil tank; 6. an oil cylinder; 7. a valve block; 8. a support plate; 9. a lower platen; 10. a motor; 11. a screw rod; 12. a bearing; 13. an upper pressure plate; 14. a guide frame; 15. a guide groove; 16. a shaft hole; 17. a guide shaft; 18. a guide wheel; 19. a linear displacement encoder; 20. a weighing and force-measuring sensor; 21. a dust-proof shell; 22. a dust cover; 23. a nut; 24. and a sprocket.

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. 1-5, the present invention relates to an electrohydraulic servo press machine, which comprises a base 1 and a top plate 2, wherein a pillar 3 is disposed between the periphery of the top end of the base 1 and the periphery of the bottom end of the top plate 2, a bottom pillar 4 is disposed around the bottom end of the base 1, an oil tank 5 is disposed at the bottom end of the base 1, an oil cylinder 6 is disposed at the top end of the base 1, a valve set 7 is disposed between the oil cylinder 6 and the oil tank 5, support plates 8 are disposed on both sides of the top end of the base 1, a lower platen 9 is disposed at the top end of the oil cylinder 6, the bottom end of the lower platen 9 is disposed at the top ends of the two support plates 8, a motor 10 is disposed at one side of the top plate 2, an opening is disposed on the top plate 2, a screw 23 is disposed on the opening, a lead screw 11 is disposed on the screw 23, a sprocket 24 is disposed between the output end of the motor 10 and the lead screw 11, a bearing 12 is disposed at the bottom end of the lead screw 11, the bottom end of the bearing 12 is provided with an upper pressing plate 13, the upper pressing plate 13 is provided with a guide mechanism, the guide mechanism is used for stably moving when the upper pressing plate 13 moves, in the embodiment, a person places an object to be tested on the lower pressing plate 9, the person operates the controller to control the motor 10, the valve group 7 and the oil cylinder 6, the oil supply amount to the oil cylinder 6 is adjusted by controlling the valve group 7, oil in the oil tank 5 enters the oil cylinder 6 through the valve group 7, the oil cylinder 6 is controlled to enable the objects on the lower pressing plate 9 and the lower pressing plate 9 to move upwards, the output end of the motor 10 rotates the chain wheel 24, the chain wheel 24 drives the screw rod 11 to rotate, the screw rod 11 rotates downwards in the screw nut 23 on the opening, the screw rod 11 drives the bearing 12 to rotate, and the upper pressing plate 13 moves along with the bearing 12 through the guide mechanisms on the bearing 12 and the upper pressing plate 13, but the controller is a common control device in the existing life, and the controller is not described in detail in the structure, when the detection is completed, the motor 10, the valve group 7 and the oil cylinder 6 are controlled, the motor 10 rotates reversely, so that the screw rod 11 rotates upwards in the screw nut 23, the upper pressure plate 13 moves upwards, the screw rod 11 and the upper pressure plate 13 are reset, and the return oil returns to the oil tank 5 through the control of the oil cylinder 6, so as to unload the force.

Above-mentioned guiding mechanism can be any one, is convenient for further lead to top board 13, guiding mechanism includes leading truck 14, leading truck 14 is installed one side of top board 13, guide way 15 has been seted up to one side of leading truck 14, shaft hole 16 has been seted up, two to the both sides of guide way 15 be equipped with guiding axle 17 between the shaft hole 16, be equipped with leading wheel 18 on the guiding axle 17, guide way 15 is equipped with two and the symmetry sets up, guiding mechanism is equipped with two and the symmetry sets up, and when top board 13 removed, leading wheel 18 passed through contact pillar 3, through guiding axle 17 between two shaft holes 16 on the guide way 15, makes leading wheel 18 rotatory, is equipped with two and the symmetry through guide way 15 and sets up, makes two leading wheels 18 rotatory, is equipped with two and the symmetry through guiding mechanism and sets up, makes top board 13 more stable reciprocating.

Above-mentioned mechanism that does not detect down pressure disk 9 displacement, for the convenience of detect down the distance that pressure disk 9 removed, be equipped with the displacement encoder 19 that acts as go-between on the base 1, the output of the displacement encoder 19 that acts as go-between is connected down the pressure disk, pressure disk 9 is connected down through the output of the displacement encoder 19 that acts as go-between on the base 1, is convenient for detect down the distance that pressure disk 9 removed.

Above-mentioned pressure disk 9 does not have the dynamometry mechanism of weighing down, for the convenience is weighed the dynamometry to pressure disk 9 down, the bottom of pressure disk 9 is equipped with weighing force cell sensor 20 down, through the weighing force cell sensor 20 of pressure disk 9 bottom down, is convenient for weigh the dynamometry to pressure disk 9 down.

The valve group 7 can be any one, in order to further improve the control precision, the valve group 7 is a servo valve, the control of personnel is facilitated, and the control precision is improved.

The screw rod 11 is not provided with a dustproof mechanism, in order to reduce dust falling on the screw rod 11, the top end of the top plate 2 is provided with a dustproof shell 21, the dustproof shell 21 is positioned on the outer side of the screw rod 11, and the dustproof shell 21 is positioned on the outer side of the screw rod 11 to play a dustproof effect on the screw rod 11.

The sprocket 24 has no dust-proof mechanism, and in order to reduce dust falling on the sprocket 24, a dust-proof cover 22 is provided at the top end of the top plate 2, and the dust-proof cover 22 is located outside the sprocket 24, and the dust-proof effect is exerted on the sprocket 24 by the dust-proof cover 22 being located outside the sprocket 24.

To explain in detail the possible application scenarios, technical principles, and practical embodiments of the present application, and to achieve the objectives and effects thereof, the following detailed description is given with reference to the accompanying drawings. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution as long as there is no technical contradiction or conflict.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended only to describe particular embodiments and is not intended to limit the present application.

In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations.

Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.

As is understood in the "review guidelines," in this application, the terms "greater than," "less than," "more than," and the like are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application are to be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated arrangement; it can be mechanical connection, electrical connection, and communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application belongs according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. Electro-hydraulic servo press, its characterized in that, including base (1) and roof (2), the top of base (1) all around with be equipped with pillar (3) around the bottom of roof (2), base (1) bottom is equipped with sill pillar (4) all around, the bottom of base (1) is equipped with oil tank (5), the top of base (1) is equipped with hydro-cylinder (6), hydro-cylinder (6) with be equipped with valves (7) between oil tank (5), the top both sides of base (1) are equipped with backup pad (8), the top of hydro-cylinder (6) is equipped with down pressure disk (9), bottom base (1) two of pressure disk (9) down be equipped with bottom of backup pad (8), one side of roof (2) is equipped with motor (10), the trompil has been seted up on roof (2), be equipped with screw (23) on the trompil, be equipped with lead screw (11) on screw (23), the output of motor (10) with be equipped with between lead screw (11) sprocket (24), the bottom of lead screw (11) is equipped with bearing (12), the bottom of bearing (12) is equipped with clamp plate (13), be equipped with guide mechanism (13) on the bottom of clamp plate (13).

2. The electro-hydraulic servo press machine as claimed in claim 1, wherein the guide mechanism comprises a guide frame (14), the guide frame (14) is mounted on one side of the upper press plate (13), a guide groove (15) is formed in one side of the guide frame (14), shaft holes (16) are formed in two sides of the guide groove (15), a guide shaft (17) is arranged between the two shaft holes (16), guide wheels (18) are arranged on the guide shaft (17), the guide grooves (15) are symmetrically arranged, and the guide mechanism is symmetrically arranged in two.

3. The electrohydraulic servo press according to claim 2, characterized in that a stay wire displacement encoder (19) is arranged on the base (1), and an output end of the stay wire displacement encoder (19) is connected with the lower platen (9).

4. Electro-hydraulic servo press according to claim 3, characterised in that the bottom end of the lower platen (9) is provided with a weighing load cell (20).

5. Electro-hydraulic servo press according to claim 4, characterized in that the valve group (7) is a servo valve.

6. The electrohydraulic servo press according to claim 5, characterized in that a dust shell (21) is provided at the top end of the top plate (2), the dust shell (21) being located outside the screw (11).

7. Electrohydraulic servo press according to claim 6, characterized in that the top end of the top plate (2) is provided with a dust guard (22), the dust guard (22) being located outside the sprocket wheel (24).