Negative pressure vibration exhaust device for aerated concrete brick pouring

Abstract

The utility model discloses a negative pressure vibration exhaust device for pouring aerated concrete bricks, which relates to the field of concrete brick processing, solves the problem that steam is difficult to be quickly exhausted by the existing concrete production mould, and comprises a device base and a lower mould arranged at the top of the device base, a groove for mounting the lower mold is formed in the top of the device base, the device further comprises an upper mold arranged above the lower mold, a top plate is fixedly mounted at the top of the upper mold, and two hydraulic telescopic rods symmetrically distributed on the two sides of the lower mold are fixedly connected between the top of the top plate and the device base; the vibration mechanism is used for conducting vibration exhaust on the lower die, the vibration mechanism is installed on the top of the device base, the lower die is in a continuous vibration state through the vibration mechanism, steam in the lower die can be conveniently and rapidly exhausted, and therefore the rapid exhaust effect is achieved.

Description

Technical Field

[0001] The utility model relates to the field of concrete brick processing, in particular to a negative pressure vibration exhaust device used for pouring aerated concrete bricks. Background Art

[0002] Concrete brick is a kind of building material. Concrete brick is a kind of building material, which is mainly composed of cement, fine sand, crushed stone and water. By adjusting the proportion of raw materials, bricks of different strengths can be obtained. It has high hardness and large density, so it has good compressive resistance and is usually used to build walls, divide spaces or other structural purposes.

[0003] Concrete bricks are usually processed by pouring and pressing. Steam is added during pressing to create negative pressure to improve the pressing efficiency of the concrete bricks. Existing molds use exhaust devices to discharge the negative pressure steam of the concrete bricks. However, after the concrete bricks are formed, the space inside the mold is small, and it is difficult to quickly discharge the steam. For this reason, technical personnel in this field provide a negative pressure vibration exhaust device for casting aerated concrete bricks to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a negative pressure vibration exhaust device for pouring aerated concrete bricks, which can solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a negative pressure vibration exhaust device for casting aerated concrete bricks, comprising a device base and a lower mold installed on the top of the device base, the top of the device base is provided with a groove for installing the lower mold, and also includes: an upper mold arranged above the lower mold, a top plate is fixedly installed on the top of the upper mold, two hydraulic telescopic rods symmetrically distributed on both sides of the lower mold are fixedly connected between the top of the top plate and the device base, which are used to move the upper mold downward to press the raw material inside the lower mold; a vibration mechanism, used to vibrate and exhaust the lower mold, the vibration mechanism is installed on the top of the device base; a positioning mechanism, used to align and press the lower mold with the upper mold, the positioning mechanism is installed at the bottom of the lower mold.

[0006] Preferably, the vibration mechanism includes a positioning frame fixedly mounted on the top of the groove of the device base, three equidistantly distributed torsion springs are fixedly connected between the inner side of the positioning frame and the two sides of the lower mold, a mounting frame is arranged between two adjacent torsion springs, a cam is rotatably mounted on the inner side of the mounting frame, the surface of the lower mold is knocked by the cam, and vibration is generated by the rebound of the torsion spring, two mounting plates symmetrically distributed on the front and back of the lower mold are fixedly connected to the top of the positioning frame, two rotating rods symmetrically distributed on both sides of the lower mold are rotatably mounted between the two mounting plates, a transmission belt 1 is installed between the rotating rod and the cam, a transmission belt 2 is installed between the two rotating rods, and the transmission belt 2 is located on the outer side of the mounting plate, a motor is fixedly mounted on the top of the device base, the output end of the motor is fixedly connected to the rotating rod, the motor can drive the two rotating rods to rotate synchronously through the transmission belt 2, and drive multiple cams to rotate synchronously through the transmission belt 1, repeatedly knock the outer side of the lower mold, and use the rebound force of the torsion spring to make the lower mold in a state of continuous vibration, so as to facilitate the rapid discharge of steam inside the lower mold.

[0007] Preferably, the positioning mechanism includes a plurality of springs installed between the lower mold and the groove of the device base, so as to facilitate the lower mold to vibrate downward and improve the exhaust efficiency. A sleeve one is provided on the outer side of the spring, and the sleeve one is fixedly installed on the bottom of the lower mold. The outer side of the spring away from the sleeve one is sleeved with a sleeve two, and the sleeve two is fixedly installed in the groove of the device base. The outer diameter of the sleeve two is the same as the inner diameter of the sleeve one. Both sides of the upper mold are fixedly connected with pressure rods, and the bottom of the lower mold is provided with a pressure groove for limiting the insertion of the pressure rod. The opening of the pressure groove is a wide-mouth structure, which is convenient for the pressure rod to be inserted into the pressure groove. The hydraulic telescopic rod can move the upper mold on the top plate to the lower mold, so that the pressure rod is inserted into the pressure groove of the lower mold, and the spring is pressed to contract, so that the sleeve is sleeved on the outer side of the sleeve two, which is convenient for smoothly pressing the concrete, and the elastic force of the spring is used to facilitate the cam to vibrate downward when knocking the lower mold, thereby improving the exhaust efficiency.

[0008] Preferably, two symmetrically distributed guide frames are fixedly connected to the top of the device base, and the surface of the top plate is provided with through holes for the guide frames to limit and slide, thereby improving the stability of the top plate movement.

[0009] Preferably, both sides of the lower mold are fixedly connected with spring plates, and the spring plates are located directly below the cam, so that the cam can strike the spring plates to cause the lower mold to vibrate vertically.

[0010] Preferably, a buffer ring is fixedly connected to the outer side of the second sleeve, the buffer ring is made of rubber, and the outer diameter of the buffer ring is the same as the outer diameter of the first sleeve, providing a buffer for the movement of the second sleeve.

[0011] Preferably, the openings of the sleeve 1 and the sleeve 2 are both arc-shaped structures, which facilitates the alignment of the sleeve 1 and the sleeve 2.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model uses a vibration mechanism, and the motor can drive two rotating rods to rotate synchronously through the second transmission belt. The rotating rod can make multiple cams rotate synchronously through the first transmission belt, so that the cam can repeatedly knock the outer side of the lower mold, and use the resilience of the torsion spring to make the lower mold in a state of continuous vibration, which is convenient for quickly discharging the steam inside the lower mold, thereby achieving the effect of rapid exhaust.

[0014] 2. The utility model uses a positioning mechanism and a hydraulic telescopic rod to move the upper mold on the top plate toward the lower mold, so that the pressing rod is inserted into the pressing groove of the lower mold, and the spring is pressed to contract, so that one sleeve is placed on the outside of the second sleeve, which is convenient for steadily pressing the concrete. The elastic force of the spring is used to facilitate the cam to vibrate downward when hitting the lower mold, thereby achieving the effect of steady pressing and improving exhaust efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the positioning frame and torsion spring structure in the utility model;

[0017] Figure 3 This is a schematic diagram of the transfer rod and cam structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the upper mold and the lower mold in the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of sleeve 1 and sleeve 2 in the utility model.

[0020] In the figure: 1. device base; 2. lower mold; 3. vibration mechanism; 301. positioning frame; 302. torsion spring; 303. mounting frame; 304. cam; 305. mounting plate; 306. rotating rod; 307. transmission belt 1; 308. transmission belt 2; 309. motor; 4. positioning mechanism; 401. spring; 402. sleeve 1; 403. sleeve 2; 404. pressure rod; 5. upper mold; 6. top plate; 7. hydraulic telescopic rod; 8. guide frame; 9. spring plate; 10. buffer ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] See also Figure 1-Figure 4 The negative pressure vibration exhaust device for casting aerated concrete bricks shown in the figure includes a device base 1 and a lower mold 2 installed on the top of the device base 1. The top of the device base 1 is provided with a groove for installing the lower mold 2. It also includes: an upper mold 5 arranged above the lower mold 2, and a top plate 6 is fixedly installed on the top of the upper mold 5. Two hydraulic telescopic rods 7 symmetrically distributed on both sides of the lower mold 2 are fixedly connected between the top of the top plate 6 and the device base 1, which are used to move the upper mold 5 downward to press the raw material inside the lower mold 2; a vibration mechanism 3, which is used to vibrate and exhaust the lower mold 2, and the vibration mechanism 3 is installed on the top of the device base 1; a positioning mechanism 4, which is used to align and press the lower mold 2 and the upper mold 5, and the positioning mechanism 4 is installed at the bottom of the lower mold 2.

[0024] See also Figure 2 and Figure 3 , the vibration mechanism 3 shown in the figure includes a positioning frame 301 fixedly mounted on the top of the groove of the device base 1, three equidistantly distributed torsion springs 302 are fixedly connected between the inner side of the positioning frame 301 and the two sides of the lower mold 2, a mounting frame 303 is arranged between two adjacent torsion springs 302, a cam 304 is rotatably mounted on the inner side of the mounting frame 303, the surface of the lower mold 2 is knocked by the cam 304, and vibration is generated by the rebound of the torsion spring 302, two mounting plates 305 symmetrically distributed on the front and back of the lower mold 2 are fixedly connected to the top of the positioning frame 301, two rotating rods 306 symmetrically distributed on both sides of the lower mold 2 are rotatably mounted between the two mounting plates 305, a transmission belt 1 307 is installed between the rotating rod 306 and the cam 304, a transmission belt 2 308 is installed between the two rotating rods 306, and the transmission belt 2 308 is located on the outer side of the mounting plate 305, a motor 309 is fixedly mounted on the top of the device base 1, and the output end of the motor 309 is fixedly connected to the rotating rod 306;

[0025] After the concrete bricks are pressed into shape, the user starts the motor 309, and the motor 309 drives the corresponding rotating rod 306 to rotate. The rotating rod 306 drives another rotating rod 306 to rotate synchronously through the transmission belt 2 308. The two rotating rods 306 drive the corresponding multiple cams 304 to rotate synchronously through the transmission belt 1 307. The convex edge of the cam 304 is used to repeatedly knock the outer side of the lower mold 2, and the rebound force of the torsion spring 302 is used to make the lower mold 2 in a state of continuous vibration, so as to quickly discharge the steam inside the lower mold 2, thereby achieving the effect of rapid exhaust.

[0026] See also Figure 4 and Figure 5 The positioning mechanism 4 shown in the figure includes a plurality of springs 401 installed between the lower mold 2 and the groove of the device base 1, which facilitates the downward vibration of the lower mold 2 and improves the exhaust efficiency. A sleeve 402 is arranged on the outer side of the spring 401, and the sleeve 402 is fixedly installed on the bottom of the lower mold 2. A sleeve 403 is sleeved on the outer side of the spring 401 away from the sleeve 402, and the sleeve 403 is fixedly installed in the groove of the device base 1. The outer diameter of the sleeve 403 is the same as the inner diameter of the sleeve 402. Both sides of the upper mold 5 are fixedly connected with a pressure rod 404. The bottom of the lower mold 2 is provided with a pressure groove for limiting the insertion of the pressure rod 404. The opening of the pressure groove is a wide-mouth structure, which is convenient for the pressure rod 404 to be inserted into the pressure groove;

[0027] The hydraulic telescopic rod 7 drives the upper mold 5 on the top plate 6 to move downward. When the pressing rod 404 on the upper mold 5 is inserted into the pressing groove of the lower mold 2, the pressing rod 404 presses the spring 401 on the lower mold 2 to contract, so that the sleeve 1 402 is sleeved on the outside of the sleeve 2 403, which is convenient for smoothly pressing the concrete. After pressing and forming, the user starts the hydraulic telescopic rod 7 to move the upper mold 5 away from the lower mold 2. When the cam 304 hits the lower mold 2, the elastic force of the spring 401 is used to make the lower mold 2 vibrate downward, thereby improving the exhaust efficiency.

[0028] The working principle of the invention is to facilitate the rapid discharge of the steam in the lower mold 2: first, the user starts the hydraulic telescopic rod 7, so that the hydraulic telescopic rod 7 pulls the upper mold 5 on the top plate 6 to move downward, and when the pressing rod 404 on the upper mold 5 is inserted into the pressing groove of the lower mold 2, the pressing rod 404 presses the spring 401 on the lower mold 2 to contract, so that the sleeve 1 402 is sleeved on the outside of the sleeve 2 403, and the upper mold 5 can smoothly press the concrete in the lower mold 2. After the concrete brick is pressed and formed, the user starts the hydraulic telescopic rod 7 to move the upper mold 5 away from the lower mold 2, and then, The user starts the motor 309, and the motor 309 drives the corresponding rotating rod 306 to rotate. The rotating rod 306 drives another rotating rod 306 to rotate synchronously through the transmission belt 2 308. At the same time, the two rotating rods 306 drive the corresponding multiple cams 304 to rotate synchronously through the transmission belt 1 307. The convex edge of the cam 304 is used to repeatedly knock the outer side of the lower mold 2, and the resilience of the torsion spring 302 is used to make the lower mold 2 in a state of continuous vibration, which is convenient for quickly discharging the steam inside the lower mold 2, thereby achieving the effect of rapid exhaust and improving the production efficiency of concrete bricks.

[0029] Embodiment 2

[0030] See also Figure 1 and Figure 2 The present embodiment further explains the first embodiment. In the figure, two symmetrically distributed guide frames 8 are fixedly connected to the top of the device base 1. The surface of the top plate 6 is provided with through holes for the guide frames 8 to limit the sliding of the guide frames 8, so as to improve the stability of the movement of the top plate 6. Both sides of the lower mold 2 are fixedly connected with spring plates 9, and the spring plates 9 are located directly below the cam 304, so that the cam 304 can hit the spring plates 9 to make the lower mold 2 vibrate vertically.

[0031] In this embodiment, when the cam 304 rotates, it can knock the spring plate 9 on the lower mold 2, causing the lower mold 2 to vibrate vertically, thereby improving the exhaust efficiency of the lower mold 2, and when the upper mold 5 moves, it can move along the outer side of the guide frame 8, thereby improving the stability of the movement of the upper mold 5.

[0032] Embodiment 3

[0033] See also Figure 4 and Figure 5 This embodiment further explains other embodiments. In the figure, a buffer ring 10 is fixedly connected to the outer side of the second sleeve 403. The buffer ring 10 is made of rubber. The outer diameter of the buffer ring 10 is the same as the outer diameter of the first sleeve 402, which provides a buffer for the movement of the second sleeve 403. The openings of the first sleeve 402 and the second sleeve 403 are both arc-shaped structures, which facilitates the alignment of the first sleeve 402 and the second sleeve 403.

[0034] In this embodiment: its purpose is that when the pressure rod 404 presses the lower mold 2 to move downward, it can push the sleeve 1 402 on the lower mold 2 to align along the arc surface on the sleeve 2 403 and contact with the buffer ring 10, so as to facilitate the quick alignment and buffering of sleeve 1 402 and sleeve 2 403, thereby improving the durability of sleeve 1 402.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A negative pressure vibration exhaust device for pouring aerated concrete bricks, comprising a device base (1) and a lower mold (2) mounted on the top of the device base (1), wherein the top of the device base (1) is provided with a groove for mounting the lower mold (2), characterized in that: Also includes: An upper mold (5) is arranged above the lower mold (2), a top plate (6) is fixedly installed on the top of the upper mold (5), and two hydraulic telescopic rods (7) symmetrically distributed on both sides of the lower mold (2) are fixedly connected between the top of the top plate (6) and the device base (1); A vibration mechanism (3) for vibrating and exhausting the lower mold (2), wherein the vibration mechanism (3) is installed on the top of the device base (1); A positioning mechanism (4) is used to align and press the lower mold (2) and the upper mold (5), and the positioning mechanism (4) is installed at the bottom of the lower mold (2).

2. A negative pressure vibration exhaust device for pouring aerated concrete bricks according to claim 1, characterized in that: The vibration mechanism (3) comprises a positioning frame (301) fixedly mounted on the top of the groove of the device base (1); three torsion springs (302) distributed at equal distances are fixedly connected between the inner side of the positioning frame (301) and the two sides of the lower mold (2); a mounting frame (303) is arranged between two adjacent torsion springs (302); a cam (304) is rotatably mounted on the inner side of the mounting frame (303); and two cams (304) are fixedly connected to the top of the positioning frame (301) and are symmetrically distributed on the lower mold (2 ) front and back mounting plates (305), two rotating rods (306) symmetrically distributed on both sides of the lower mold (2) are rotatably mounted between the two mounting plates (305), a transmission belt 1 (307) is installed between the rotating rod (306) and the cam (304), a transmission belt 2 (308) is installed between the two rotating rods (306), a motor (309) is fixedly mounted on the top of the device base (1), and the output end of the motor (309) is fixedly connected to the rotating rod (306).

3. A negative pressure vibration exhaust device for pouring aerated concrete bricks according to claim 2, characterized in that: The positioning mechanism (4) comprises a plurality of springs (401) installed between the lower mould (2) and the groove of the device base (1); a sleeve 1 (402) is arranged on the outer side of the spring (401); the sleeve 1 (402) is fixedly installed on the bottom of the lower mould (2); a sleeve 2 (403) is sleeved on the outer side of the spring (401) away from the sleeve 1 (402); the sleeve 2 (403) is fixedly installed in the groove of the device base (1); the outer diameter of the sleeve 2 (403) is the same as the inner diameter of the sleeve 1 (402); pressure rods (404) are fixedly connected to both sides of the upper mould (5); a pressure groove for limiting and inserting the pressure rod (404) is provided at the bottom of the lower mould (2); and the opening of the pressure groove is a wide-mouth structure.

4. The negative pressure vibration exhaust device for pouring aerated concrete bricks according to claim 2 is characterized in that: Two symmetrically distributed guide frames (8) are fixedly connected to the top of the device base (1), and the surface of the top plate (6) is provided with through holes for the guide frames (8) to slide in a limited position.

5. The negative pressure vibration exhaust device for pouring aerated concrete bricks according to claim 2, characterized in that: Both sides of the lower mold (2) are fixedly connected with spring plates (9), and the spring plates (9) are located directly below the cam (304).

6. The negative pressure vibration exhaust device for pouring aerated concrete bricks according to claim 3, characterized in that: A buffer ring (10) is fixedly connected to the outer side of the second sleeve (403); the buffer ring (10) is made of rubber material; and the outer diameter of the buffer ring (10) is the same as the outer diameter of the first sleeve (402).

7. The negative pressure vibration exhaust device for pouring aerated concrete bricks according to claim 3, characterized in that: The openings of the sleeve 1 (402) and the sleeve 2 (403) are both arc-shaped structures.

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