CN217304562U

CN217304562U - Accelerator test piece extrusion device

Info

Publication number: CN217304562U
Application number: CN202220508271.8U
Authority: CN
Inventors: 周玉峰; 陈宁渊
Original assignee: Guizhou Kezhu Creative Building Technology Co ltd
Current assignee: Guizhou Kezhu Creative Building Technology Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-08-26
Anticipated expiration: 2032-03-10

Abstract

The utility model belongs to the technical field of accelerator test piece processing technique and specifically relates to accelerator test piece extrusion device to the not high problem of current accelerator test piece shaping quality, now proposes following scheme, and it includes the base, the top of base is provided with two pneumatic cylinders, two the extension end rigid coupling of pneumatic cylinder has the clamp plate, the inside of clamp plate is provided with two exhaust mechanism, exhaust mechanism is including seting up at the activity groove at clamp plate top, the fixed plate of rigid coupling on the activity inslot wall, running through set up at the fixed plate top a plurality of exhaust holes, rigid coupling telescopic link, the rigid coupling of fixed plate bottom in the telescopic link extension end the movable block with set up in the clamp plate bottom, and with the adaptation groove that the activity groove is linked together. The utility model discloses avoided the more problem of accelerator test piece bubble hole behind the shaping to improved the fashioned quality of accelerator test piece, can adjust the fashioned thickness of accelerator test piece, be convenient for carry out drawing of patterns work to the accelerator test piece simultaneously.

Description

Accelerator test piece extrusion device

Technical Field

The utility model relates to an accelerator test piece processing field especially relates to accelerator test piece extrusion device.

Background

The accelerator is an additive for quickly setting and hardening cement concrete, and in order to test the effect of the accelerator, a test piece of the accelerator needs to be pressed and formed first, and then the surface strength of the test piece of the accelerator is tested. At present carrying out the shaping with the accelerator test piece and adding, being difficult to the air escape in the mould, the gas pocket that leads to after the accelerator test piece shaping is more, and the quality that leads to the accelerator test piece is relatively poor, and the influence is to the test of accelerator test piece strength, for this reason, this scheme has proposed accelerator test piece extrusion device.

SUMMERY OF THE UTILITY MODEL

The utility model provides an accelerator test piece extrusion device has solved the not high problem of prior art accelerator test piece shaping quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the accelerator test piece extrusion molding device comprises a base, two hydraulic cylinders are arranged above the base, extension ends of the two hydraulic cylinders are fixedly connected with a pressing plate, two exhaust mechanisms are arranged inside the pressure plate and are respectively positioned at the positions close to the two sides of the pressure plate, the exhaust mechanism comprises a movable groove arranged at the top of the pressure plate, a fixed plate fixedly connected on the inner wall of the movable groove, a plurality of exhaust holes arranged at the top of the fixed plate in a penetrating way, a telescopic rod fixedly connected at the bottom of the fixed plate, a movable block fixedly connected at the extending end of the telescopic rod and an adaptive groove arranged at the bottom of the pressure plate and communicated with the movable groove, the telescopic rod is arranged in a penetrating way through the adaptive groove, the movable block is matched with the adaptive groove, the top of the base is fixedly connected with a mould, the inner wall of the mould is connected with an adjusting plate in a sliding way, and a driving mechanism for driving the adjusting plate to move along the inner wall of the mold is arranged below the adjusting plate.

Preferably, the top rigid coupling of base has four stands, and four stands are located the position that the base top is close to four corners respectively, four the top rigid coupling of stand has roof, two the pneumatic cylinder all installs on the roof, and all runs through the roof setting.

Preferably, exhaust mechanism still includes two stoppers of rigid coupling on activity tank bottom inner wall respectively, two the stopper is located the both sides of telescopic link respectively, and all is located the top in adaptation groove, two the stopper all cooperatees with the movable block.

Preferably, actuating mechanism is including rotating lead screw, spiro union on the mould inner wall at two outside drive blocks of lead screw and rigid coupling in the regulating plate bottom, and respectively with two drive block matched with two driven pieces, the top of drive block is the inclined plane with the bottom of driven piece, and mutually supports.

Preferably, the inner wall of the die is further fixedly connected with a guide rod, the guide rod and the screw rod are arranged in parallel, and the guide rod sequentially penetrates through the two driving blocks and is in sliding connection with the two driving blocks respectively.

Preferably, one end of the screw rod extends to the outside of the mold and is fixedly connected with a handle.

The utility model has the advantages that:

1. through the cooperation of each part of exhaust mechanism, can be to the air escape in the accelerator test piece suppression in-process with the mould to avoided the accelerator test piece more problem of bubble hole after the shaping, and then improved the roughness of accelerator test piece shaping rear surface, thereby improved the fashioned quality of accelerator test piece.

2. Through the cooperation of each part of actuating mechanism, can adjust the fashioned thickness of accelerator test piece, improve this forming device's application scope, be convenient for carry out drawing of patterns work to the accelerator test piece simultaneously, and then improved this forming device's functionality.

The utility model discloses rational in infrastructure, easy operation has avoided the more problem of accelerator test piece bubble hole behind the shaping to improved the fashioned quality of accelerator test piece, can adjust the fashioned thickness of accelerator test piece, improved this forming device's application scope, be convenient for carry out drawing of patterns work to the accelerator test piece simultaneously.

Drawings

Fig. 1 is a front sectional view of the internal structure of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 3 is a top view of the local structure of the driving mechanism of the present invention.

Reference numbers in the figures: 1. a base; 2. a hydraulic cylinder; 3. pressing a plate; 4. a movable groove; 5. a fixing plate; 6. an exhaust hole; 7. a telescopic rod; 8. a movable block; 9. an adaptation groove; 10. a mold; 11. an adjusting plate; 12. a column; 13. a top plate; 14. a limiting block; 15. a screw rod; 16. a drive block; 17. a driven block; 18. a guide bar; 19. a handle.

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.

Referring to fig. 1-3, the accelerator test piece extrusion molding device comprises a base 1, two hydraulic cylinders 2 are arranged above the base 1, four upright columns 12 are fixedly connected to the top of the base 1, the four upright columns 12 are respectively located at positions, close to four corners, of the top of the base 1, a top plate 13 is fixedly connected to the tops of the four upright columns 12, the two hydraulic cylinders 2 are both mounted on the top plate 13 and penetrate through the top plate 13, a pressing plate 3 is fixedly connected to the extending ends of the two hydraulic cylinders 2, two exhaust mechanisms are arranged inside the pressing plate 3 and are respectively located at positions, close to two sides of the pressing plate 3, each exhaust mechanism comprises a movable groove 4 arranged at the top of the pressing plate 3, a fixed plate 5 fixedly connected to the inner wall of the movable groove 4, a plurality of exhaust holes 6 arranged at the top of the fixed plate 5 in a penetrating manner, a telescopic rod 7 fixedly connected to the bottom of the fixed plate 5, a movable block 8 fixedly connected to the extending end of the telescopic rod 7 and a movable block arranged at the bottom of the pressing plate 3, An adapting groove 9 communicated with the movable groove 4, an expansion link 7 is arranged by penetrating the adapting groove 9, a movable block 8 is matched with the adapting groove 9, a mould 10 is fixedly connected to the top of the base 1, the inner wall of the mould 10 is matched with the outer wall of the pressing plate 3, an adjusting plate 11 is connected to the inner wall of the mould 10 in a sliding manner, a driving mechanism for driving the adjusting plate 11 to move along the inner wall of the mould 10 is arranged below the adjusting plate 11, firstly, a worker adjusts the position of the adjusting plate 11 through the driving mechanism so as to adjust the thickness of the formed accelerating agent test piece, then, the accelerating agent test piece material is poured into the mould 10, then, two hydraulic cylinders 2 are controlled to extend downwards so as to drive the pressing plate 3 to move downwards, when the pressing plate 3 moves downwards along the inner wall of the mould 10, gas in the mould 10 is discharged through the adapting groove 9 and the exhaust hole 6, when the bottom of the movable block 8 is abutted to the accelerating agent test piece material, the movable block 8 moves towards the inner direction of the adaptive groove 9, the telescopic rod 7 contracts along with the movable block, when the bottom of the pressing plate 3 is abutted to the accelerating agent test piece, the movable block 8 completely enters the adaptive groove 9, the pressing plate 3 continues to move downwards to press and form the accelerating agent test piece, then the hydraulic cylinder 2 is controlled to retract upwards, the pressing plate 3 is driven to move upwards and separate from the inner part of the mold 10, air in the mold 10 is discharged before the accelerating agent test piece is pressed, the flatness of the surface of the formed accelerating agent test piece can be improved, when the accelerating agent test piece is subjected to standard demolding, the adjusting plate 11 is driven to move upwards through the driving mechanism, the accelerating agent test piece is ejected out of the mold 10, and demolding work on the accelerating agent test piece can be completed;

the exhaust mechanism further comprises two limiting blocks 14 fixedly connected to the inner wall of the bottom of the movable groove 4 respectively, the two limiting blocks 14 are located on two sides of the telescopic rod 7 respectively and located at the top of the adapting groove 9 respectively, the two limiting blocks 14 are matched with the movable block 8, and the limiting blocks 14 are arranged to limit the upward moving range of the movable block 8, so that the movable block 8 can be completely matched with the adapting groove 9;

the driving mechanism comprises a screw rod 15 rotationally connected to the inner wall of the mold 10, two driving blocks 16 screwed outside the screw rod 15, and two driven blocks 17 fixedly connected to the bottom of the adjusting plate 11 and respectively matched with the two driving blocks 16, the tops of the driving blocks 16 and the bottoms of the driven blocks 17 are inclined planes and are matched with each other, a guide rod 18 is further fixedly connected to the inner wall of the mold 10, the guide rod 18 and the screw rod 15 are arranged in parallel, the guide rod 18 sequentially penetrates through the two driving blocks 16 and is respectively in sliding connection with the two driving blocks 16, the two driving blocks 16 are driven to horizontally move leftwards along the outer wall of the guide rod 18 by positively rotating the screw rod 15, the two driven blocks 17 are driven to move upwards by the mutual sliding action of the top inclined planes of the two driving blocks 16 and the bottom inclined planes of the two driven blocks 17, and further the adjusting plate 11 is driven to move upwards along the inner wall of the mold 10, conversely, the two driving blocks 16 can be driven to horizontally move rightwards by reversely rotating the screw rod 15, and the adjusting plate 11 is driven to move downwards along the inner wall of the die 10 by the driven block 17;

one end of the screw rod 15 extends to the outside of the mold 10 and is fixedly connected with a handle 19, and the handle 19 is arranged for driving the screw rod 15 to rotate.

The working principle is as follows: firstly, a worker adjusts the position of an adjusting plate 11 through a driving mechanism, so as to adjust the thickness of the formed accelerator test piece, then the accelerator test piece material is poured into a mould 10, then two hydraulic cylinders 2 are controlled to extend downwards, and then a pressing plate 3 is driven to move downwards, when the pressing plate 3 moves downwards along the inner wall of the mould 10, the gas in the mould 10 is discharged through an adaptation groove 9 and an exhaust hole 6, when the bottom of a movable block 8 is abutted to the material of the accelerator test piece, the movable block 8 moves towards the direction in the adaptation groove 9, a telescopic rod 7 contracts along with the movable block, when the bottom of the pressing plate 3 is abutted to the accelerator test piece, the movable block 8 completely enters the adaptation groove 9, the pressing plate 3 continues to move downwards to press and form the accelerator test piece, then the hydraulic cylinders 2 are controlled to retract upwards, and the pressing plate 3 is driven to move upwards and is separated from the inside of the mould 10, the air in the mould 10 is discharged before the accelerator test piece is pressed, so that the flatness of the surface of the molded accelerator test piece can be improved, when the accelerator test piece reaches the demoulding standard, the adjusting plate 11 is driven by the driving mechanism to move upwards, the accelerator test piece is ejected out of the mould 10, and the demoulding operation of the accelerator test piece can be completed.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. Accelerator test piece extrusion forming device comprises a base (1) and is characterized in that two hydraulic cylinders (2) are arranged above the base (1), two hydraulic cylinders (2) are fixedly connected with a pressing plate (3) at the extension end, two exhaust mechanisms are arranged inside the pressing plate (3), the two exhaust mechanisms are respectively positioned at positions close to two sides of the pressing plate (3), each exhaust mechanism comprises a movable groove (4) arranged at the top of the pressing plate (3), a fixed plate (5) fixedly connected to the inner wall of the movable groove (4), a plurality of exhaust holes (6) arranged at the top of the fixed plate (5) in a penetrating manner, a telescopic rod (7) fixedly connected to the bottom of the fixed plate (5), a movable block (8) fixedly connected to the extension end of the telescopic rod (7) and an adaptation groove (9) arranged at the bottom of the pressing plate (3) and communicated with the movable groove (4), and the telescopic rod (7) is arranged in a penetrating manner through the adaptation groove (9), and movable block (8) are identical with adaptation groove (9), the top rigid coupling of base (1) has mould (10), the inner wall sliding joint of mould (10) has regulating plate (11), the below of regulating plate (11) is provided with and is used for driving actuating mechanism that regulating plate (11) removed along mould (10) inner wall.

2. The accelerator test piece extrusion forming device according to claim 1, wherein four upright columns (12) are fixedly connected to the top of the base (1), the four upright columns (12) are respectively located at positions, close to four corners, of the top of the base (1), a top plate (13) is fixedly connected to the top of the four upright columns (12), and the two hydraulic cylinders (2) are both mounted on the top plate (13) and both penetrate through the top plate (13).

3. The accelerator test piece extrusion molding device according to claim 1, wherein the exhaust mechanism further comprises two limit blocks (14) fixedly connected to the inner wall of the bottom of the movable groove (4), the two limit blocks (14) are respectively located at two sides of the telescopic rod (7) and located at the top of the adaptive groove (9), and the two limit blocks (14) are matched with the movable block (8).

4. The accelerator test piece extrusion forming device according to claim 1, wherein the driving mechanism comprises a screw rod (15) rotatably connected to the inner wall of the die (10), two driving blocks (16) screwed outside the screw rod (15), and two driven blocks (17) fixedly connected to the bottom of the adjusting plate (11) and respectively matched with the two driving blocks (16), and the top of the driving block (16) and the bottom of the driven block (17) are inclined planes and are matched with each other.

5. The accelerator test piece extrusion molding device according to claim 4, wherein a guide rod (18) is further fixedly connected to the inner wall of the mold (10), the guide rod (18) and the screw rod (15) are arranged in parallel, and the guide rod (18) sequentially penetrates through the two driving blocks (16) and is respectively in sliding connection with the two driving blocks (16).

6. The extrusion molding device for accelerator test pieces as claimed in claim 4, wherein one end of the screw rod (15) extends to the outside of the mold (10) and is fixedly connected with a handle (19).