CN218639934U

CN218639934U - Test block forming die

Info

Publication number: CN218639934U
Application number: CN202223140346.0U
Authority: CN
Inventors: 胡鹏辉; 李昀溥; 董杰; 江艳; 皮艳雄; 朱战杰; 郑亚明
Original assignee: Sinosteel Zhengzhou Research Institute of Steel Wire Products Co Ltd
Current assignee: Sinosteel Zhengzhou Research Institute of Steel Wire Products Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-17
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to a test block forming die, which comprises a bottom plate, and an end plate and a clapboard which are positioned on the bottom plate; the bottom plate is provided with a clamping component, the clamping component is used for clamping the end plate and the partition plate, and the clamping component comprises a movable jacking piece for jacking the end plate; the movable jacking part comprises jacking heads, grooves for the jacking heads to horizontally extend into are arranged on the corresponding end plates, and at least one of the groove wall surface at the bottom of each groove and the outer side surface at the bottom of each jacking head is obliquely arranged so that the corresponding end plate is pressed down when the jacking heads extend into the grooves and horizontally jack the end plates. The bottom of the jacking head is contacted with the bottom of the groove, the jacking end plate horizontally moves to clamp the partition plate, and due to the fact that the outer side face of the bottom and/or the wall face of the groove at the bottom are obliquely arranged, acting force applied to the bottom of the groove can generate downward component force, so that the jacking head can press the end plate downwards, units formed by the end plate and the partition plate can be attached to the bottom plate together, and gaps are prevented from being generated between the end plate and the bottom plate and between the partition plate and the bottom plate.

Description

Test block forming die

Technical Field

The present invention relates generally to the field of sample preparation. More specifically, the utility model relates to a test block forming die.

Background

When the cement mortar test block is prepared, firstly, the cement mortar raw material is processed into a slurry state through stirring equipment, then the cement mortar raw material is transferred into a die cavity of a three-link die and compacted, and then the cement mortar test block is transferred into a curing box for curing to form the cement mortar test block. The three-connection mold is also called a cement mortar test block forming mold, is generally used in cement mortar strength tests, and mainly carries out the tests of compressive strength and flexural strength.

The structure of cement mortar test block forming die is shown as the chinese utility model patent of the publication number of authorizing CN215811990U more, cement mortar test block forming die is the cement mortar trigeminy mould in this patent promptly, cement mortar test block forming die includes the bottom plate, two end plates and four baffles, end plate and baffle pass through clamping unit to be fixed on the bottom plate, four baffles press from both sides tightly between two end plates, the bottom plate, end plate and baffle have formed the three chamber that holds that is used for holding cement mortar together. The partition plate is the insert plate in the patent, and the clamping component comprises a fixing piece arranged on the bottom plate and a movable jacking piece for tightly pressing the end plate and the partition plate on the fixing piece, wherein the fixing piece is a first baffle plate in the patent, and the movable jacking piece comprises a second baffle plate, a convex part, a screw rod and a locking part in the patent. If two end plates are defined as a first end plate and a second end plate respectively, the first end plate is abutted against the fixing piece in use, and the second end plate, the partition plate and the first end plate are abutted against the fixing piece by the movable abutting-pressing piece.

Cement mortar test block forming die among the prior art has some drawbacks when using: the clamping component exerts only horizontal acting force on the end plate and the partition plate; during the assembly and cement mortar test block forming die are in the transportation, because reasons such as assembly, vibration, easily produce the gap between end plate and the bottom plate, between baffle and the bottom plate, cement mortar easily flows out from the gap, leads to the not satisfied national standard requirement of the ratio of the weight after the cement mortar test block shaping and each raw materials. In fact, not only cement mortar block molding dies have such problems, but also other split-mount dies such as concrete block molding dies have such problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a test block forming die for solve among the prior art between end plate and the bottom plate, easily exist the gap between baffle and the bottom plate and lead to unsatisfied national standard's technical problem behind the test block shaping.

In order to achieve the above object, the utility model provides a test block forming die adopts following technical scheme: a test block molding die, comprising:

the bottom plate, and the end plate and the partition plate which are positioned on the bottom plate;

the clamping component is arranged on the bottom plate and used for clamping the end plate and the partition plate, and comprises a movable jacking piece for jacking the end plate;

the movable jacking part comprises jacking heads, grooves for the jacking heads to horizontally extend into are arranged on the corresponding end plates, and at least one of the groove wall surface at the bottom of each groove and the outer side surface at the bottom of each jacking head is obliquely arranged so that the corresponding end plate is pressed down when the jacking heads extend into the grooves and horizontally jack the end plates.

Has the beneficial effects that: in the process that the jacking head extends into the groove, the bottom of the jacking head is in contact with the bottom of the groove, the jacking end plate moves horizontally to clamp the partition plate, and the outer side surface of the bottom and/or the wall surface of the groove at the bottom extend obliquely, so that the acting force applied to the bottom of the groove can generate downward component force, the jacking head can press the end plate downwards, units formed by the end plate and the partition plate are attached to the bottom plate together, and gaps between the end plate and the bottom plate and between the partition plate and the bottom plate due to assembling, vibration and the like are avoided.

As a further improvement, the jacking head is a circular truncated cone, the groove is a conical groove, and the axis of the circular truncated cone is located below the axis of the conical groove. The round platform is eccentrically arranged below the conical groove, and the round platform or the conical groove is convenient to machine.

As a further improvement, the movable jacking part comprises a quick clamp fixed on the bottom plate, the jacking head is arranged on the quick clamp, and the quick clamp is used for driving the jacking head to move horizontally. The jacking head can be driven to move quickly by pulling the quick clamp, and compared with the driving mode of a screw nut mechanism, the speed is higher.

As a further improvement, the jacking head can be detachably assembled on the quick clamp. The removable assembly of top pressure head can be dismantled and change.

As a further improvement, the jacking head is provided with a screw rod which is threaded on the quick clamp, and the screw rod is also provided with a locking nut which is jacked on the quick clamp.

As a further improvement, the test block forming die further comprises a first positioning part and a second positioning part, and the first positioning part and the second positioning part are in stop fit with the partition plates on two sides so as to position the partition plates and the end plates along the spacing direction of the partition plates. The end plate and the partition plate can be positioned through the first positioning component and the second positioning component, the end plate and the partition plate are fixed at the appointed positions through matching with the clamping component, and the end plate and the partition plate are not inclined in the clamping process of the clamping component.

As a further improvement, the first positioning component and the second positioning component comprise at least two positioning columns which are arranged at intervals along the interval direction of each end plate.

As a further improvement, the positioning column of at least one of the first positioning component and the second positioning component can be detachably assembled on the bottom plate. The removable assembly of reference column is on the bottom plate, can pull down the reference column of one side wherein earlier and make the baffle support and lean on going when assembling end plate, baffle, assembles the reference column dress of opposite side again after end plate, baffle, and it is more convenient to assemble.

As a further improvement, the clamping component comprises at least two fixed blocks arranged opposite to the movable jacking member, the movable jacking member jacks the end plate and the partition plate on each fixed block, and the fixed blocks are arranged at intervals along the interval direction of each partition plate.

As a further improvement, a slot is arranged on the side surface of one side of the end plate facing the partition plate, and the partition plate is inserted into the slot in a matching mode. The slots ensure that the end plates and the partition plates are perpendicular to each other.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings. Several embodiments of the present application are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 is a perspective view of the test block forming mold of the present invention;

fig. 2 is a top view of the test block forming mold of the present invention;

fig. 3 is a sectional view of the groove of the test block molding die of the present invention.

Description of reference numerals:

1. a base plate; 2. a first end plate; 3. a second end plate; 4. a partition plate; 5. a fixed block; 6. a groove; 7. a fixed seat; 8. quick clamping; 9. a positioning column jack; 10. a positioning column; 11. a jacking head; 12. a slot; 13. a screw; 14. and locking the nut.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are some, not all embodiments of the invention. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

The utility model discloses an among the test block forming die, push down the end plate when applying horizontal clamp force to the end plate, make the unit subsides that end plate, baffle formed on the bottom plate, avoid appearing the gap and lead to the test block shaping after unqualified.

Having described the basic principles of the present invention, various non-limiting embodiments of the invention are described in detail below. Any number of elements in the drawings are by way of example and not by way of limitation, and any nomenclature is used for distinction only and not by way of limitation.

The principles and spirit of the present invention are explained in detail below with reference to a number of representative embodiments of the invention.

The utility model provides a test block forming die's embodiment 1:

as shown in fig. 1 to fig. 3, the test block forming mold of this embodiment is a cement mortar test block forming mold, and the test block forming mold includes a bottom plate 1, two end plates, four partition plates 4, and a clamping component, and the clamping component fixes the two end plates and the four partition plates 4 on the bottom plate 1.

The two end plates are parallel to each other, the four partition plates 4 are parallel to each other, and the four partition plates 4 are clamped between the two end plates. For convenience of description, the interval direction of the two end plates is defined as the left-right direction, the interval direction of the four partition plates 4 is defined as the front-back direction, and the two end plates are respectively a first end plate 2 and a second end plate 3. It should be noted that the left-right and front-back directions are only defined for convenience of description, and do not limit the structure of the test block forming mold and the direction in use.

As shown in fig. 2, four slots 12 are respectively formed on opposite side surfaces of the first end plate 2 and the second end plate 3, the slots 12 penetrate through the first end plate 2 and the second end plate 3 in the vertical direction, and the slots 12 are rectangular slots. The width of the slot 12 is consistent with the thickness of the partition board 4, the partition board 4 can be inserted into the slot 12 in a fitting manner, and after the partition board 4 is inserted into the slot 12, the end plate and the partition board 4 can be kept vertical through the constraint of the slot 12.

Clamping part is including fixing two fixed blocks 5 on bottom plate 1, and two fixed blocks 5 are located one side of 1 left and right sides direction of bottom plate, and two fixed blocks 5 are arranged along preceding back direction interval, and the effect of fixed block 5 supplies first end plate 2 to lean on along left and right sides direction. The clamping part also comprises a movable jacking part which is propped against the second end plate 3, and the movable jacking part jacks the first end plate 2, the second end plate 3 and the four partition plates 4 to the fixed block 5 together.

The activity roof pressure piece is installed on bottom plate 1, specifically, installs fixing base 7 on the bottom plate 1, and activity roof pressure piece is including installing the active grab 8 on fixing base 7, and wherein, active grab 8 is prior art, and no longer gives unnecessary details here, and active grab 8 has about the output that stretches out and draws back. The movable jacking part further comprises a jacking head 11 detachably mounted on the output end of the quick clamp 8, specifically, a screw 13 is fixed on the jacking head 11, a threaded hole is formed in the output end of the quick clamp 8, the screw 13 penetrates into the threaded hole, a locking nut 14 is screwed on the screw 13, the locking nut 14 butts against the quick clamp 8, and the jacking head 11 and the quick clamp 8 are prevented from being separated due to vibration and other reasons.

As shown in fig. 3, the ejector pin 11 is a circular truncated cone, and has a smaller outer diameter toward the end of the second end plate 3. Correspondingly, a groove 6 is formed in the side surface of the second end plate 3 facing the ejector head, the groove 6 is a conical groove with a larger opening, the maximum outer diameter of the ejector head 11 is smaller than the maximum inner diameter of the groove 6, and the ejector head 11 can extend into the groove 6. The centre axis of the top ram 11 is located below the centre axis of the recess 6, i.e. the top ram 11 is arranged eccentrically below the recess 6. When the jacking head 11 extends into the groove 6, the outer side surface of the bottom of the jacking head 11 is jacked on the wall surface of the bottom groove of the groove 6, so that on one hand, jacking force in the horizontal direction can be applied to the groove 6, and the second end plate 3, the partition plate 4 and the first end plate 2 are tightly pressed on the fixed block 5; on the other hand, downward pressing force can be applied to the grooves 6, so that the second end plate 3, the partition plate 4 and the first end plate 2 are pressed on the bottom plate 1, and gaps are prevented from being generated among the bottom plate 1, the first end plate 2, the second end plate 3 and the partition plate 4.

The groove 6 is located in the middle of the second end plate 3 in the front-back direction, so that the movable jacking part is prevented from being jacked obliquely. During the in-service use, all seted up recess 6 on first end plate 2, the second end plate 3, the aim at interchangeability of design like this is stronger, and the change after no matter equipment or wearing and tearing is all comparatively convenient. In other embodiments, the groove can be formed only on the end plate which is in press fit with the movable pressing piece.

The clamping component clamps the first end plate 2, the second end plate 3 and the partition plate 4 along the left-right direction, as shown in fig. 1 and fig. 2, the bottom plate 1 is further provided with a first positioning component and a second positioning component, the two positioning components are used for positioning the first end plate 2, the second end plate 3 and the partition plate 4 in the front-back direction, and the positioning components are matched with the partition plates 4 on the front side and the rear side. Wherein, every locating part all includes two reference columns 10 of controlling the interval and arranging, specifically, has seted up reference column jack 9 on bottom plate 1, and reference column 10 inserts in reference column jack 9. When the positioning device is used, the two positioning columns 10 of one positioning part are assembled, the partition plate 4 on one corresponding side is positioned and abutted against the upper side, and the positioning column 10 on the other side is assembled after the partition plate 4, the first end plate 2 and the second end plate 3 are assembled.

The utility model provides a test block forming die's embodiment 2:

the difference from example 1 is mainly that: in embodiment 1, the clamping member includes a movable top pressing member located on one side of the bottom plate, and further includes two fixing blocks located on the other side of the bottom plate, and the two fixing blocks are arranged at intervals along the spacing direction of the partition plates. In this embodiment, the number of the fixing blocks can be increased or decreased according to actual conditions, and may be three or more than three, or may be only one, and when there is only one fixing block, the fixing block needs to be arranged at the middle position and has a sufficient extension length to meet the requirement of clamping the end plate.

The utility model provides a test block forming die's embodiment 3:

the difference from example 1 is mainly that: in embodiment 1, the positioning posts in the first positioning component and the second positioning component are detachably mounted on the bottom plate, and there are two positioning posts in each positioning component. In this embodiment, only one positioning post of the first positioning component and the second positioning component is detachably mounted on the base plate, and the other positioning post is fixed on the base plate in a non-detachable manner by welding or the like. In other embodiments, the positioning columns of the two positioning parts are fixed on the bottom plate in a non-detachable mode such as welding. In other embodiments, the number of the positioning columns can be increased according to the length of the partition plate, the outer diameter of the positioning columns and other factors. In other embodiments, the first positioning component and the second positioning component may be a positioning plate or a positioning strip.

The utility model provides a test block forming die's embodiment 4:

the difference from example 1 is mainly that: in the embodiment 1, a screw is fixed on the jacking head, the screw thread is assembled on the quick clamp, and the screw is also assembled with a locking nut. In this embodiment, the top pressure head is last to set firmly the connecting rod, has seted up the connecting hole on the active grab, and the connecting rod interference inserts in the connecting hole. In other embodiments, the press head may be welded directly to the quick clamp.

The utility model provides a test block forming die's embodiment 5:

the difference from example 1 is mainly that: in embodiment 1, the movable pressing member includes a quick clamp, and the pressing head is mounted on the quick clamp, and the quick clamp drives the pressing head to move back and forth. In this embodiment, the movable pressing member includes a screw rod threadedly mounted on the bottom plate, and the pressing head is mounted at an end of the screw rod and is driven to extend into the groove by rotation of the screw rod.

The utility model provides a test block forming die's embodiment 6:

the difference from example 1 is mainly that: in embodiment 1, the pushing head is a circular truncated cone, the groove is a conical groove, and the outer side surface of the bottom of the circular truncated cone and the wall surface of the bottom groove of the conical groove are both obliquely arranged. In this embodiment, the top groove wall surface of the groove extends horizontally, the bottom groove wall surface of the groove is arranged in an inclined manner, the top pressing head is a square cylinder, the outer side surface of the bottom of the top pressing head extends horizontally, and the top pressing head presses the bottom groove wall surface of the groove horizontally and presses the end plate downwards. In other embodiments, the groove is a rectangular groove, the wall surface of the top groove and the wall surface of the bottom groove extend horizontally, the outer side surface of the bottom of the jacking head extends obliquely, and the jacking head is pressed against the notch position of the groove by depending on the outer side surface of the bottom of the jacking head when extending into the groove so as to press the end plate downwards.

While various embodiments of the present invention have been shown and described herein, it will be obvious to those skilled in the art that such embodiments are provided by way of example only. Numerous modifications, changes, and substitutions will occur to those skilled in the art without departing from the spirit and scope of the present invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in practicing the invention. The following claims are intended to define the scope of the invention and to cover module components, equivalents, or alternatives falling within the scope of these claims.

Claims

1. A test block molding die, comprising:

the movable jacking member is characterized by comprising a jacking head, a groove for the jacking head to horizontally extend into is arranged on the corresponding end plate, and at least one of the groove wall surface at the bottom of the groove and the outer side surface at the bottom of the jacking head is obliquely arranged so as to press the corresponding end plate downwards while the jacking head extends into the groove and horizontally jacks the end plate.

2. The test block forming die of claim 1, wherein the ejector pin is a circular truncated cone, the groove is a conical groove, and an axis of the circular truncated cone is located below an axis of the conical groove.

3. The test block forming die of claim 1 or 2, wherein the movable jacking member comprises a quick clamp fixed on the bottom plate, the jacking head is arranged on the quick clamp, and the quick clamp is used for driving the jacking head to move horizontally.

4. The test block forming mold of claim 3, wherein the press head is detachably mounted to the quick clamp.

5. The test block forming die as claimed in claim 4, wherein the pressing head is provided with a screw threaded on the quick clamp, and the screw is provided with a locking nut pressing on the quick clamp.

6. The test block forming mold according to claim 1 or 2, wherein the test block forming mold further comprises a first positioning member and a second positioning member, and the first positioning member and the second positioning member are in stop fit with the partition plates on both sides to position the partition plates and the end plates in the spacing direction of the partition plates.

7. The test block molding die of claim 6, wherein the first positioning member and the second positioning member comprise at least two positioning posts spaced apart along the spacing direction of each end plate.

8. The test block forming mold of claim 7, wherein the positioning column of at least one of the first positioning member and the second positioning member is detachably mounted on the base plate.

9. The test block forming die of claim 1 or 2, wherein the clamping member comprises at least two fixing blocks arranged opposite to the movable pressing member, the movable pressing member presses the end plate and the partition plate against the fixing blocks, and the fixing blocks are arranged at intervals along the spacing direction of the partition plates.

10. The test block molding die according to claim 1 or 2, wherein a side surface of the end plate facing the partition plate is provided with a slot, and the partition plate is adapted to be inserted into the slot.