Pressure forming device for high-strength concrete test piece

Abstract

The utility model belongs to the technical field of concrete detection, and particularly relates to a high-strength concrete test piece pressure forming device which comprises a base and a rotating supporting piece arranged on the base, an extrusion forming piece is arranged on the rotating supporting piece, hydraulic push rods are arranged on the extrusion forming piece in an up-down corresponding mode, a fixing plate is arranged on the base, and the fixing plate is arranged on the base. The hydraulic push rod is arranged on the fixing plate, a torsional spring automatic rebounding mechanism is arranged on the side face of the base, an inner clamping plate is arranged on the rotating supporting piece, the inner clamping plate is arranged on a rebounding rod, and the rebounding rod is arranged on the torsional spring automatic rebounding mechanism. By rotating the supporting piece and the extrusion forming piece, the device can have a rotating switching function, so that pressure forming operation can be conveniently carried out on concrete of different specifications, and when the pressure forming piece is rotated and switched to cope with concrete pieces of different specifications, the efficiency is improved, and the labor intensity of workers is reduced. And the preparation requirements of diversified test pieces in laboratories or industrial production can also be met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to concrete detection technical field, concretely relates to a high -strength concrete test piece pressure forming device. BACKGROUND

[0002] The preparation of high-strength concrete test pieces is a key link in the performance testing of concrete materials, and the molding quality directly affects the mechanical properties of the test pieces and the accuracy of the test results. Currently, the pressure molding device for high-strength concrete test pieces mainly adopts fixed synchronous pressing, and the molding mode of multiple pouring frames or pouring boxes, which has the following problems:

[0003] 1. It is inconvenient to switch:

[0004] The existing device usually adopts synchronous pressing of multiple pouring frames or building boxes, which cannot realize the rotation switching of the pouring frames or pouring boxes. When different specifications of concrete pressure molding test pieces need to be prepared, the pouring time must be cleaned, such as the high-strength concrete test piece pressure molding device with the patent authorization number CN 217442951 U, which is complicated and time-consuming to switch to different specifications of concrete. Due to the lack of rotation switching function, the efficiency is low when preparing multiple specifications of pressure molding test pieces, which is difficult to meet the diversified test piece preparation needs in the laboratory or industrial production.

[0005] 2. Other problems:

[0006] The structure design of the existing device is relatively fixed, and lacks flexibility, which is difficult to adapt to the switching needs of different specifications of concrete pressure molding test pieces. Although some devices support mold replacement, the switching process is complex, and the internal building frame and pouring box cannot maintain the fixed pressure after switching, which causes the pressure of the test piece to be released after switching, thereby reducing the switching effect. In the preparation process of multiple specifications of test pieces, the existing device does not have a holding effect after the pressure molding of the test piece, which reduces the molding quality of the test piece and reduces the molding effect of the test piece.

[0007] In summary, the existing high-strength concrete test piece pressure molding device has obvious deficiencies in rotation switching function and multiple specifications of test pieces, which is difficult to meet the needs of efficient and flexible preparation of different specifications of concrete test pieces. Therefore, a new type of pressure molding device is needed to solve the above problems and improve the efficiency and quality of test piece molding. UTILITY MODEL CONTENTS

[0008] The utility model aims to provide a high-strength concrete test piece pressure molding device, which can solve the above technical problems.

[0009] The technical scheme adopted by the utility model is as follows:

[0010] The utility model provides a kind of high-strength concrete test piece pressure forming device, including base and the rotating support piece being set on base, rotating support piece is provided with extrusion forming piece, the hydraulic push rod is provided with correspondingly on extrusion forming piece, fixed plate is provided on base, the hydraulic push rod is set on fixed plate, the side surface of base is provided with torsion spring automatic rebound mechanism, rotating support piece is provided with inner clamping plate, inner clamping plate is set on rebound lever, rebound lever is set on torsion spring automatic rebound mechanism,

[0011] Rotating support piece includes support disc being set above base, the outer periphery of support disc is formed and is provided with four 90 ° interval's clamping groove, inner clamping plate is movably clamped in clamping groove, four 90 ° interval's insertion hole is formed and is provided with support disc center as center;

[0012] The number of extrusion forming piece is multiple, and the extrusion forming piece includes concrete pouring pot, push-off disc and inner pressure disc, the inner pressure disc and push-off disc are respectively slidably arranged in the upper and lower sides of the concrete pouring pot, the bottom surface of the concrete pouring pot is provided with an insertion sleeve, the insertion sleeve is inserted and matched with the insertion hole, the insertion sleeve is formed with a sleeve hole which is in communication with the interior of the concrete pouring pot, and an inner top shaft is slidably arranged in the sleeve hole, the upper side of the inner top shaft is arranged on the bottom surface of the push-off disc, the lower side of the extension end of the hydraulic push rod is provided with a lower pressing disc, the inner pressure disc is provided with a lower pressing shaft which is in correspondence with the lower pressing disc in the upper and lower center, and the lower pressing shaft is provided with a brake mechanism.

[0013] When the above-mentioned high-strength concrete test piece pressure forming device is used, the rebound lever is pulled to drive the inner clamping plate to disengage from the clamping groove, then the support disc is rotated, the rotation of the support disc drives the extrusion forming piece to rotate and correspond to the hydraulic push rod, at the same time, another clamping groove on the support disc also corresponds to the inner clamping plate, so that the rebound lever and the inner clamping plate are clamped in the corresponding clamping groove by the torsion spring automatic rebound mechanism, thereby limiting the rotation of the support disc, then the hydraulic push rod is controlled to extend, the extension end of the hydraulic push rod drives the lower pressing disc to press on the lower pressing shaft on the extrusion forming piece, so that the lower pressing shaft moves downward and drives the two flexible plates on the support plate to slide downward along the clamping hole on the clamping lug plate at the same time, and the clamping blocks on the flexible plate slide through the clamping hole one by one, so that the clamping blocks are clamped on the bottom surface of the clamping lug plate by the rebound of the flexible plate, thereby the inner pressure disc driven by the lower pressing shaft can keep the pressure on the concrete in the concrete pouring pot in real time, so that the pressure on the concrete in the concrete pouring pot can be pressed, the extrusion forming piece can keep the extrusion pressure on the concrete by retracting the hydraulic push rod and adjusting the rotation of the support disc again, thereby improving the quality of pressure forming, and different specifications of concrete can be conveniently switched by rotating, so that continuous pressure forming operation can be achieved.

[0014] As preferred, the brake mechanism comprises two tough plates and two clamping lug plates, the two clamping lug plates are respectively slidably sleeved with the two tough plates through the clamping lug holes formed on the clamping lug plates, the opposite sides of the two tough plates are respectively provided with a plurality of clamping lug blocks, the clamping lug blocks are clamped with the clamping lug holes, the inner pressure plate is provided with a synchronous plate connected with the pressing shaft, the two tough plates are respectively arranged on the two sides of the synchronous plate, and the two clamping lug plates are symmetrically arranged on the outer circumferential upper side of the concrete pouring tank.

[0015] As preferred, the base is rotatably provided with a plug-in shaft, the bottom surface of the support plate is provided with a plug-in column in the recess hole formed on the bottom surface, the plug-in column is plug-in matched with the plug-in shaft through the sleeve hole formed on the plug-in column, the plug-in column is sleeved with a push spring on the outer circumference, the upper side of the push spring abuts against the inner top surface of the recess hole, and the lower side of the push spring abuts against the base.

[0016] As preferred, the distance between the support plate and the upper surface of the base is half of the height of the plug-in shaft.

[0017] As preferred, the height of the plug-in sleeve is two-thirds of the height of the plug-in hole, and when the plug-in sleeve is sleeved in the plug-in hole, the bottom surface of the inner top shaft and the bottom surface of the support plate are on the same horizontal plane.

[0018] Beneficial effects are:

[0019] 1. The utility model discloses a rotating support and extrusion forming part, which can switch the extrusion forming part to form different specifications of concrete, thereby improving the efficiency and meeting the preparation requirements of diversified test pieces in the laboratory or industrial production.

[0020] 2. The utility model discloses a brake mechanism on the extrusion forming part, which can keep the test piece in the concrete pouring tank of the extrusion forming part after switching to the pressure forming under the pressure of the hydraulic push rod, thereby improving the quality of the pressure forming of different specifications of test pieces, improving the forming effect of the test piece and facilitating the switching operation. DRAWINGS

[0021] Figure 1 It is the front view structure schematic diagram of the utility model discloses a kind of;

[0022] Figure 2 It is the rotating support structure schematic diagram of the utility model discloses a kind of;

[0023] Figure 3 It is the rotating support exploded structure schematic diagram of the utility model discloses a kind of;

[0024] Figure 4 It is the extrusion forming piece exploded structure schematic diagram of the utility model discloses a kind of.

[0025] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0026] 1, base; 2, rotating support; 21, support disc; 22, clamping groove; 23, insertion hole; 24, insertion column; 25, insertion shaft; 26, push spring; 3, extrusion forming piece; 31, concrete pouring pot; 32, insertion sleeve; 33, push-off disc; 34, inner top shaft; 35, clamping lug plate; 36, inner pressing disc; 37, lower pressing shaft; 38, synchronization plate; 39, toughness plate; 39a, clamping block; 4, fixed plate; 5, hydraulic push rod; 6, rebound rod; 7, inner clamping plate; 8, torsional spring automatic rebound mechanism. DETAILED DESCRIPTION

[0027] In order to make the purpose and advantages of the utility model more clear and apparent, the utility model is specifically described below in combination with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope specifically requested by the utility model.

[0028] As Figures 1-4 shown, a high-strength concrete test piece pressure forming device, including base 1 and setting on base 1 rotating support 2, rotating support 2 is provided with extrusion forming piece 3, and extrusion forming piece 3 is provided with hydraulic push rod 5 correspondingly, base 1 is provided with fixed plate 4, hydraulic push rod 5 is set on fixed plate 4, the side surface of base 1 is provided with torsional spring automatic rebound mechanism 8, rotating support 2 is provided with inner clamping plate 7, inner clamping plate 7 is set on rebound rod 6, rebound rod 6 is set on torsional spring automatic rebound mechanism 8, torsional spring automatic rebound mechanism 8 includes two detachable preloading plates set on the side surface of base, two preloading plates are movably sleeved with rotating shaft, the lower side of rebound rod 6 is set between the two preloading plates on rotating shaft, rotating shaft is provided with torsional spring, one side of torsional spring is connected with preloading plate, the other side is connected with the fixed disc provided on rotating shaft, so that the automatic rebound operation of rebound rod can be realized by using torsional spring;

[0029] Rotating support 2 includes support disc 21 provided above base 1, and four clamping grooves 22 spaced 90° are formed on the outer periphery of support disc 21, inner clamping plate 7 is movably clamped in clamping groove 22, and four 90° spaced insertion holes 23 are formed on support disc 21 with the center as the center.

[0030] The quantity of the extrusion forming piece 3 is multiple, the extrusion forming piece 3 includes a concrete pouring pot 31, a push-off disc 33 and an inner pressure disc 36, the inner pressure disc 36 and the push-off disc 33 are respectively arranged on the upper and lower sides of the concrete pouring pot 31 in a sliding mode, the bottom surface of the concrete pouring pot 31 is provided with a plug-in sleeve 32, the plug-in sleeve 32 is plugged and matched with the plug-in hole 23, the plug-in sleeve 32 is formed with a sleeve hole which is communicated with the inside of the concrete pouring pot 31, and the inner top shaft 34 is slidably arranged in the sleeve hole, the upper side of the inner top shaft 34 is arranged on the bottom surface of the push-off disc 33, the lower side of the extension end of the hydraulic push rod 5 is provided with a lower pressing disc, the inner pressure disc 36 is provided with a lower pressing shaft 37 which is vertically corresponding to the lower pressing disc, and the lower pressing shaft 37 is provided with a brake mechanism.

[0031] As an optional embodiment, the brake mechanism includes two flexible plates 39 and two clamping lug plates 35, the two clamping lug plates 35 are respectively slidably connected with the two flexible plates 39 through the clamping holes formed on the two clamping lug plates 35, the opposite sides of the two flexible plates 39 are respectively provided with a plurality of clamping blocks 39a, the clamping blocks 39a are clamped and matched with the clamping holes, the upper side of the inner pressure disc 36 is provided with a synchronous plate 38 which is connected with the lower pressing shaft 37, the two flexible plates 39 are respectively arranged on the two sides of the synchronous plate 38, the two clamping lug plates 35 are symmetrically arranged on the upper side of the outer periphery of the concrete pouring pot 31, the flexible plate 39 is made of a material with flexibility, so that the flexibility of the flexible plate 39 can drive the plurality of clamping blocks 39a to pass through the clamping holes when the clamping blocks 39a slide down the clamping holes on the clamping lug plate 35, so that the clamping blocks 39a are clamped on the bottom surface of the clamping lug plate 35 to form a clamping through the resilience of the flexible plate 39, and the lower pressing shaft 37 can form a real-time braking effect on the inner pressure disc 36.

[0032] Referring to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 , the plug-in shaft 25 is rotatably arranged on the base 1, the plug-in column 24 is arranged in the concave hole formed on the bottom surface of the supporting disc 21, the plug-in column 24 is plugged and matched with the plug-in shaft 25 through the sleeve hole, the plug-in column 24 is sleeved with the push-up spring 26 on the outer periphery, the upper side of the push-up spring 26 is abutted against the inner top surface of the concave hole, and the lower side of the push-up spring 26 is abutted against the base 1, so that the push-up spring 26 can be elastically pushed upward to separate the supporting disc 21 from the base 1 when the supporting disc 21 is adjusted in a rotating mode, and the supporting disc 21 can be conveniently adjusted in a rotating mode.

[0033] Further, the distance between the supporting disc 21 and the upper surface of the base 1 is half of the height of the plug-in shaft 25, so that the supporting disc 21 can be in a suspended state with the base 1 in a rotating state, thereby facilitating the adjustment of the supporting disc 21 in a rotating mode, and when the supporting disc 21 is driven to press and extrude the extrusion forming piece 3 by the hydraulic push rod 5, the supporting disc 21 can be synchronously lowered to abut against the base 1, thereby coping with the continuous pressing operation of the hydraulic push rod 5.

[0034] Further, the height of the insertion sleeve 32 is set to be two-thirds of the height of the insertion hole 23, and when the insertion sleeve 32 is sleeved in the insertion hole 23, the bottom surface of the inner top shaft 34 is at the same level as the bottom surface of the support disc 21. In this way, after the extrusion forming part 3 is separated from the pressure of the hydraulic push rod 5, the concrete specimen in the concrete pouring pot can be knocked by the inner top shaft 34 to drive the push-off disc 33 to push the concrete specimen in the concrete pouring pot 31, thereby improving the auxiliary effect of separating the concrete specimen in the later stage.

[0035] With the above structure, in use, the rebound rod 6 is pulled to drive the inner clamping plate 7 to separate from the clamping groove 22, and then the support disc 21 is rotated to drive the support disc 21 to rotate and correspond to the hydraulic push rod 5, and at the same time, the other clamping groove 22 on the support disc 21 also corresponds to the inner clamping plate 7, so that the rebound rod 6 and the inner clamping plate 7 are clamped in the corresponding clamping groove 22 by the torsional spring automatic rebound mechanism 8, thereby limiting the rotation of the support disc 21, and then controlling the hydraulic push rod 5 to extend, so that the extending end of the hydraulic push rod 5 drives the lower pressing disc to press on the lower pressing shaft 37 on the extrusion forming part 3, thereby making the lower pressing shaft 37 move downward and drive the two flexible plates 39 on the support plate to slide down along the clamping hole on the clamping lug plate 35, and at the same time, the clamping blocks 39a on the flexible plate 39 slide through the clamping hole one by one, so that the clamping blocks 39a are clamped on the bottom surface of the clamping lug plate 35 by the rebound of the flexible plate 39, thereby keeping the inner pressing disc 36 driven by the lower pressing shaft 37 to press the concrete in the concrete pouring pot 31 in real time. In this way, the pressure of the concrete in the concrete pouring pot 31 can be kept, and the hydraulic push rod 5 can be retracted, and the extrusion forming part 3 can be kept under pressure when the support disc 21 is rotated again, thereby improving the quality of pressure forming, and facilitating the rotation of concrete of different specifications, thereby achieving continuous pressure forming operation.

[0036] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be considered within the protection scope of the present application. The standard parts used in the present application can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part is the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment are the conventional types in the prior art, the control mode is automatic control through the controller, the control circuit of the controller can be realized through simple programming by those skilled in the art, and belongs to the common knowledge in the art, and the present application is mainly used to protect the mechanical device, so the control mode and circuit connection are not explained in detail. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art without special description and limitation.

Claims

1. A pressure molding device for high-strength concrete specimens, characterized in that: The device includes a base (1) and a rotating support (2) mounted on the base (1). The rotating support (2) is provided with a compression molding part (3). The compression molding part (3) is provided with hydraulic push rods (5) on its upper and lower sides. The base (1) is provided with a fixing plate (4). The hydraulic push rods (5) are mounted on the fixing plate (4). The side of the base (1) is provided with a torsion spring automatic return mechanism (8). The rotating support (2) is provided with an inner clamping plate (7). The inner clamping plate (7) is mounted on a return rod (6). The return rod (6) is mounted on the torsion spring automatic return mechanism (8). The rotating support (2) includes a support plate (21) disposed above the base (1). The outer periphery of the support plate (21) is provided with four 90° spaced locking grooves (22). An inner locking plate (7) is movably engaged in the locking grooves (22). The support plate (21) is provided with four 90° spaced insertion holes (23) centered on the center. The number of extruded parts (3) is multiple. Each extruded part (3) includes a concrete pouring tank (31), a pusher plate (33) and an inner pressure plate (36). The inner pressure plate (36) and the pusher plate (33) are slidably disposed on the upper and lower sides of the concrete pouring tank (31). The bottom surface of the concrete pouring tank (31) is provided with a plug sleeve (32). The plug sleeve (32) is plugged into the plug hole (23). The plug sleeve (32) is formed with a sleeve hole that communicates with the inside of the concrete pouring tank (31). An inner top shaft (34) is slidably disposed in the sleeve hole. The upper side of the inner top shaft (34) is disposed on the bottom surface of the pusher plate (33). A lower pressure plate is disposed on the lower side of the extended end of the hydraulic push rod (5). A lower pressure shaft (37) corresponding to the upper and lower centers of the lower pressure plate is disposed on the inner pressure plate (36). A braking mechanism is disposed on the lower pressure shaft (37).

2. The pressure molding device for high-strength concrete specimens according to claim 1, characterized in that: The braking mechanism includes two flexible plates (39) and two locking lugs (35). The two locking lugs (35) are slidably sleeved with the two flexible plates (39) through formed locking holes. Multiple locking blocks (39a) are provided on the opposite sides of the two flexible plates (39). The locking blocks (39a) are locked with the locking holes. A synchronization plate (38) connected to the lower pressure shaft (37) is provided above the inner pressure plate (36). The two flexible plates (39) are respectively provided on both sides of the synchronization plate (38). The two locking lugs (35) are symmetrically provided on the upper outer periphery of the concrete pouring tank (31).

3. The pressure molding device for high-strength concrete specimens according to claim 2, characterized in that: A plug shaft (25) is rotatably mounted on the base (1). A plug post (24) is provided in a shaped concave hole on the bottom surface of the support plate (21). The plug post (24) is plugged into the plug shaft (25) through a shaped sleeve hole. A push spring (26) is sleeved on the outer periphery of the plug post (24). The upper side of the push spring (26) abuts against the top surface of the concave hole, and the lower side of the push spring (26) abuts against the base (1).

4. The pressure molding device for high-strength concrete specimens according to claim 3, characterized in that: The distance between the support plate (21) and the upper surface of the base (1) is set to half the height of the plug shaft (25).

5. The pressure molding device for high-strength concrete specimens according to claim 4, characterized in that: The height of the plug sleeve (32) is set to two-thirds of the height of the plug hole (23). When the plug sleeve (32) is fitted into the plug hole (23), the bottom surface of the inner top shaft (34) is set to be at the same level as the bottom surface of the support plate (21).

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