Concrete prefabricated part demolding device

By designing a concrete precast component demolding device with a buffer slide and belt conveyor system, the problem of precast components breaking during demolding was solved, the finished product qualification rate was improved, and the labor intensity of workers was reduced.

CN224183361UActive Publication Date: 2026-05-01CHUZHOU MODERN CONSTR TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHUZHOU MODERN CONSTR TECH CO LTD
Filing Date
2025-05-19
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing precast concrete demolding machines are prone to causing precast components to break during demolding, affecting the finished product qualification rate.

Method used

A demolding device for precast concrete components was designed, comprising a feeding mechanism, a transmission mechanism, and a vibration mechanism. The impact force on the precast components during the demolding process is reduced through a buffer slide and a belt conveyor system.

Benefits of technology

It effectively reduces the breakage of precast concrete components during demolding, improves the finished product qualification rate, and reduces the labor intensity of workers through automated conveying.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224183361U_ABST
    Figure CN224183361U_ABST
Patent Text Reader

Abstract

The utility model discloses a concrete prefabricated part demolding device, belongs to the technical field of concrete prefabricated part production, and aims to solve the technical problems that in the prior art, when an existing demolding machine shakes off a concrete prefabricated part, the concrete prefabricated part can directly fall onto the ground at the lower end of the demolding machine, and the production efficiency is high. At the moment, the precast concrete may be broken due to collision with the ground, and the qualification rate of finished precast concrete products is affected. Comprising a base, a workbench is arranged above the base, a vibration mechanism is arranged at the upper end of the base, a transmission mechanism is arranged above the workbench, a discharging mechanism is arranged at the upper end of the base, and the discharging mechanism comprises bottom plates fixedly connected to the left end and the right end of the front side of the base; the left end and the right end of the rear portion of the upper side of the base are fixedly connected with a rear sleeve frame, the bottom end of the inner side of the rear sleeve frame is fixedly connected with a second spring, and the upper end of the second spring is fixedly connected with a first rectangular plate.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of concrete precast component production technology, specifically relating to a concrete precast component demolding device. Background Technology

[0002] With the rapid development of science and technology and the economy, there is a great demand for precast concrete components. Precast concrete components are widely used in various fields. In the past, when precast concrete components were completed, they faced the disadvantage of being very difficult to demold, which easily caused damage to the precast concrete components during demolding. This not only increased the difficulty of demolding but also increased the production cost.

[0003] Existing precast concrete demolding machines use vibration to shake the precast concrete components out of the molds that are inverted on top of them. However, when the precast concrete components are shaken out, they fall directly onto the ground below the demolding machine. This can cause the precast concrete components to break due to the impact with the ground, affecting the pass rate of the finished precast concrete products. Utility Model Content

[0004] (1) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a concrete precast component demolding device, which aims to solve the problem that in existing demolding machines, when the concrete precast component is shaken down, it will fall directly onto the ground at the bottom of the demolding machine. At this time, the concrete precast component may break due to the impact with the ground, affecting the qualification rate of the finished concrete precast component.

[0006] (2) Technical solution

[0007] To solve the above-mentioned technical problems, this utility model provides a precast concrete demolding device, including a base, a workbench above the base, a vibration mechanism at the upper end of the base, a transmission mechanism above the workbench, a feeding mechanism at the upper end of the base, and the feeding mechanism including a base plate fixedly connected to the left and right ends of the front side of the base, a rear frame fixedly connected to the left and right ends of the upper rear side of the base, a second spring fixedly connected to the bottom inner end of the rear frame, a first rectangular plate fixedly connected to the upper end of the second spring, a front frame fixedly connected to the front upper side of the base plate, a third spring fixedly connected to the bottom inner end of the front frame, a second rectangular plate fixedly connected to the upper end of the third spring, and slide rails fixedly connected to the upper ends of the first and second rectangular plates.

[0008] Furthermore, the vibration mechanism includes sleeve rods fixedly connected to the four corners of the upper side of the base. A first spring is fixedly connected to the bottom inner side of the sleeve rod, and a round rod is fixedly connected to the upper end of the first spring. A support platform is fixedly connected to the middle position of the upper side of the base. A first motor is installed on the upper end of the support platform. A disc is fixedly connected to the front end of the output shaft of the first motor. A round shaft is fixedly connected to the front edge of the disc. A baffle is fixedly connected to the front end of the round shaft, and an adjusting rod is connected to the outer end of the round shaft.

[0009] Furthermore, the transmission mechanism includes a left side plate connected to the upper end of the base, a right side plate connected to the upper end of the base, a fixed frame fixedly connected to the lower right side of the left side plate and the lower left side of the right side plate, a first rotating rod connected to the front and rear ends of the lower interior of the left side plate, a pulley fixedly connected to the outer side of the first rotating rod, a belt sleeved on the outer side of the pulley, a second motor installed below the front end of the left side of the left side plate and the right side plate, a second rotating rod connected to the lower interior of the left side plate and the right side plate, and a support wheel fixedly connected to the outer end of the second rotating rod.

[0010] Furthermore, the outer side of the first rectangular plate is slidably connected to the inner side of the rear frame, and the outer side of the second rectangular plate is slidably connected to the inner side of the front frame.

[0011] Furthermore, the inner side of the sleeve rod is slidably connected to the outer side of the round rod, the lower end of the inner side of the adjusting rod is provided with a rotating hole, the outer side of the round shaft is rotatably connected to the inner side of the rotating hole, the front side of the disc is slidably connected to the rear side of the adjusting rod, the rear side of the baffle is slidably connected to the front side of the adjusting rod, and the upper end of the adjusting rod is hinged to the middle position of the lower side of the worktable.

[0012] Furthermore, a left groove is provided on the left side of the upper left and right halves of the workbench, and a right groove is provided on the right side of the upper left and right halves of the workbench. The lower side of the left side plate is fixedly connected to the inner bottom of the left groove, and the lower side of the right side plate is fixedly connected to the inner bottom of the right groove. First rotating holes are provided at the front and rear ends of the lower interior of the left and right sides of the workbench and at the front and rear ends of the right side of the fixing frame. The outer sides of the left and right sides of the first rotating rod are rotatably connected to the inner sides of the first rotating holes. Second rotating holes are provided at equal distances between the lower interior of the left and right sides of the workbench and the right side of the fixing frame. The outer sides of the left and right sides of the second rotating rod are rotatably connected to the inner sides of the second rotating holes. The left and right sides of the pulley and the support wheel are slidably connected to the opposite side of the left side plate and the fixing frame or the opposite side of the right side plate and the fixing frame. The output shaft end of the second motor is fixedly connected to the end of the first rotating rod away from the fixing frame.

[0013] Furthermore, the outer side of the support wheel is tumblingly connected to the inner side of the belt, and the left and right ends of the worktable are symmetrically provided with feeding ports.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention, by setting up a feeding mechanism, allows the precast concrete component to fall onto a slide rail during demolding. Upon contact with the slide rail, the component impacts the rail, causing the first and second rectangular plates to move downwards and compressing the second and third springs. This cushions the precast concrete component, reducing the reaction force it experiences when impacting the slide rail. Consequently, the precast concrete component is less prone to breakage during feeding, improving the product qualification rate.

[0017] This invention, through the setting of a transmission mechanism, allows for the inverted placement of precast concrete molds on an auxiliary plate, with both ends of the inverted molds positioned on a conveyor belt. A second motor is then activated to rotate the belt, thus conveying the precast concrete molds. When demolding the precast concrete, multiple molds are arranged on the auxiliary plate and then sequentially conveyed by the belt to the demolding position on the workbench. This eliminates the need for workers to wait nearby while one mold is being demolded before installing the next; the precast concrete molds are automatically placed on the auxiliary plate for material feeding, reducing the workload of nearby workers. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0020] Figure 2 A schematic diagram of the main structure of the transmission mechanism disassembled at one end of the worktable;

[0021] Figure 3 This is a schematic diagram of the left end structure of the main body of this utility model;

[0022] Figure 4This is a schematic diagram of the connection between the round shaft and the adjusting rod of this utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the first spring in this utility model;

[0024] Figure 6 This is a schematic diagram of the transmission mechanism of this utility model;

[0025] Figure 7 This is a schematic diagram of the structure at the front end of the left side plate of this utility model;

[0026] Figure 8 This is a schematic diagram of the feeding mechanism of this utility model.

[0027] The markings in the attached diagram are as follows: 1. Base; 2. Workbench; 301. Sleeve rod; 302. First spring; 303. Round rod; 304. Support platform; 305. First motor; 306. Disc; 307. Round shaft; 308. Baffle; 309. Adjusting rod; 401. Left side plate; 402. Right side plate; 403. Fixing frame; 404. First rotating rod; 405. Pulley; 406. Belt; 407. Second motor; 408. Second rotating rod; 409. Support wheel; 410. Auxiliary plate; 501. Base plate; 502. Rear sleeve frame; 503. Second spring; 504. First rectangular plate; 505. Front sleeve frame; 506. Third spring; 507. Second rectangular plate; 508. Slide rail. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] This specific embodiment is a demolding device for precast concrete components, and its structural schematic diagram is shown below. Figures 1 to 5As shown, the system includes a base 1, a workbench 2 on top of the base 1, and a vibration mechanism on the upper end of the base 1. The vibration mechanism includes sleeve rods 301 fixedly connected to the four corners of the upper side of the base 1. A first spring 302 is fixedly connected to the bottom inner side of the sleeve rods 301. A round rod 303 is fixedly connected to the upper end of the first spring 302. A support platform 304 is fixedly connected to the middle position of the upper side of the base 1. A first motor 305 is installed on the upper end of the support platform 304. A disc 306 is fixedly connected to the front end of the output shaft of the first motor 305. A round shaft 307 is fixedly connected to the front edge of the disc 306. A baffle 308 is fixedly connected to the front end of the round shaft 307. An adjusting rod 309 is connected to the outer end of the round shaft 307. The inner side of the sleeve rod 301 is slidably connected to the outer side of the round rod 303. A rotating hole is provided at the lower inner end of the adjusting rod 309. The outer side of the round shaft 307 is rotatably connected to the inner side of the rotating hole. The front side of the disc 306 is slidably connected to the rear side of the adjusting rod 309. The rear side of the baffle 308 is slidably connected to the front side of the adjusting rod 309. The upper end of the adjusting rod 309 is hinged to the lower middle position of the worktable 2 via a hinge. Therefore, when the first motor 305 is started and its output shaft rotates, driving the disc 306 to rotate, the rotating round shaft 307 will drive the lower end of the adjusting rod 309 to rotate simultaneously. At the same time, the upper end of the adjusting rod 309 will move up and down repeatedly, causing the worktable 2 to swing up and down, vibrating and demolding the precast concrete formwork on the worktable 2.

[0030] Cooperate Figure 6 and Figure 7A transmission mechanism is provided above the workbench 2. The transmission mechanism includes a left side plate 401 connected to the upper end of the base 1, a right side plate 402 connected to the upper end of the base 1, a fixed bracket 403 fixedly connected to the lower right end of the left side plate 401 and the lower left end of the right side plate 402, a first rotating rod 404 connected to the front and rear ends of the lower interior of the left side plate 401, a pulley 405 fixedly connected to the outer side of the first rotating rod 404, a belt 406 sleeved on the outer side of the pulley 405, a second motor 407 installed below the front end of the left side of the left side plate 401 and the right side of the right side plate 402, a second rotating rod 408 connected to the lower interior of the left side plate 401 and the right side plate 402, and a support wheel 409 fixedly connected to the outer end of the second rotating rod 408. A left groove is provided on the left side of the upper left and right halves of the workbench 2, and a right groove is provided on the right side of the upper left and right halves of the workbench 2. The lower side of the left side plate 401 is fixedly connected to the inner bottom end of the left groove, and the lower side of the right side plate 402 is fixedly connected to the inner bottom end of the right groove. First rotating holes are provided at the front and rear ends of the lower interior of the left side plate 401 and the right side plate 402, and at the front and rear ends of the right side of the fixing bracket 403. The outer sides of the left and right ends of the first rotating rod 404 are rotatably connected to the inner sides of the first rotating holes. A second rotating hole is equidistantly provided at the lower end of the inner side plate 401 and the right end of the fixing frame 403, located between the first rotating hole. The outer sides of the left and right ends of the second rotating rod 408 are rotatably connected to the inner sides of the second rotating hole. The left and right sides of the pulley 405 and the support wheel 409 are slidably connected to the opposite side of the left side plate 401 and the fixing frame 403 or the opposite side of the right side plate 402 and the fixing frame 403. The output shaft end of the second motor 407 is fixedly connected to the end of the first rotating rod 404 away from the fixing frame 403. Thus, when the second motor 407 is started and its output shaft rotates, driving the first rotating rod 404 to rotate, it can drive the pulley 405 to rotate, thereby causing the belt 406 to rotate.

[0031] The outer side of the support wheel 409 is rolledly connected to the inner side of the belt 406, and the left and right ends of the worktable 2 are symmetrically provided with discharge ports. After the precast concrete mold is placed upside down on the auxiliary plate 410, with both ends of the upside-down precast concrete mold positioned on the belt 406, the second motor 407 is started to rotate the belt 406, thus conveying the precast concrete mold placed on the belt 406. When demolding the precast concrete, multiple precast concrete molds are first arranged on the auxiliary plate 410, and then conveyed sequentially by the belt 406 to the demolding position on the worktable 2 for demolding. Therefore, during demolding, workers do not need to wait nearby for the demolding of one precast concrete mold to finish before installing the next; the precast concrete mold can be automatically fed by placing the discharge material on the auxiliary plate 410, reducing the workload of nearby workers.

[0032] Cooperate Figure 8 The upper end of the base 1 is provided with a feeding mechanism, which includes a base plate 501 fixedly connected to the left and right ends of the front side of the base 1. A rear frame 502 is fixedly connected to the left and right ends of the upper rear side of the base 1. A second spring 503 is fixedly connected to the bottom inner end of the rear frame 502. A first rectangular plate 504 is fixedly connected to the upper end of the second spring 503. A front frame 505 is fixedly connected to the front upper side of the base plate 501. A third spring 506 is fixedly connected to the bottom inner end of the front frame 505. A second rectangular plate 507 is fixedly connected to the upper end of the third spring 506. A slide rail 508 is fixedly connected to the upper ends of the first rectangular plate 504 and the second rectangular plate 507. The outer side of the first rectangular plate 504 is slidably connected to the inner side of the rear frame 502, and the outer side of the second rectangular plate 507 is slidably connected to the inner side of the front frame 505. During the demolding process of precast concrete components, when the precast concrete component falls through the discharge port in the workbench 2, it will fall onto the slide rail 508. Upon contact with the slide rail 508, it will impact the slide rail 508, causing the first rectangular plate 504 and the second rectangular plate 507 to move downwards, compressing the second spring 503 and the third spring 506. This will buffer the precast concrete component, reduce the reaction force when the precast concrete component impacts the slide rail 508, and make it less likely for the precast concrete component to break during discharge, thereby improving the qualification rate of precast concrete products.

[0033] Working principle: When demolding precast concrete components, the precast concrete components to be demolded are first arranged upside down on the auxiliary plate 410, with their left and right ends located on the upper end of the belt 406. Then, the first motor 305 is started, causing the worktable 2 to shake up and down, which in turn causes the precast concrete components on the belt 406 to vibrate, causing the precast concrete components inside to separate from the inner side of the mold. At the same time, the second motor 407 is started, causing the belt 406 to rotate, moving the precast concrete components to be demolded to the discharge port inside the worktable 2. The precast concrete components in the mold fall out of the mold and then fall through the discharge port onto the slide 508. When they fall onto the slide 508, the second spring 503 and the third spring 506 are compressed to cushion the precast concrete components. Then, the precast concrete components that have fallen onto the slide 508 slide forward along the slide 508 and are finally removed from the upper front end of the slide 508, completing the demolding of the precast concrete components.

[0034] All technical features in this embodiment can be freely combined according to actual needs.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. Concrete preform stripping device comprising a base (1), characterized in that, A workbench (2) is provided above the base (1). A vibration mechanism is provided at the upper end of the base (1). A transmission mechanism is provided above the workbench (2). A feeding mechanism is provided at the upper end of the base (1). The feeding mechanism includes a base plate (501) fixedly connected to the left and right ends of the front side of the base (1). A rear frame (502) is fixedly connected to the left and right ends of the upper rear side of the base (1). A second spring is fixedly connected to the bottom inner side of the rear frame (502). 503), the upper end of the second spring (503) is fixedly connected to the first rectangular plate (504), the upper front end of the base plate (501) is fixedly connected to the front sleeve frame (505), the inner bottom end of the front sleeve frame (505) is fixedly connected to the third spring (506), the upper end of the third spring (506) is fixedly connected to the second rectangular plate (507), and the upper ends of the first rectangular plate (504) and the second rectangular plate (507) are fixedly connected to the slide rail (508).

2. A concrete precast element stripping apparatus as claimed in claim 1 wherein, The vibration mechanism includes sleeve rods (301) fixedly connected to the four corners of the upper side of the base (1). A first spring (302) is fixedly connected to the bottom inner side of the sleeve rod (301). A round rod (303) is fixedly connected to the upper end of the first spring (302). A support platform (304) is fixedly connected to the middle position of the upper side of the base (1). A first motor (305) is installed on the upper end of the support platform (304). A disc (306) is fixedly connected to the front end of the output shaft of the first motor (305). A round shaft (307) is fixedly connected to the front edge of the disc (306). A baffle (308) is fixedly connected to the front end of the round shaft (307). An adjusting rod (309) is connected to the outer end of the round shaft (307).

3. The precast concrete component demolding device according to claim 1, characterized in that, The transmission mechanism includes a left side plate (401) connected to the upper end of the base (1), a right side plate (402) connected to the upper end of the base (1), a fixing frame (403) fixedly connected to the lower right side of the left side plate (401) and the lower left side of the right side plate (402), a first rotating rod (404) connected to the front and rear ends of the lower interior of the left side plate (401), a pulley (405) fixedly connected to the outer side of the first rotating rod (404), a belt (406) sleeved on the outer side of the pulley (405), a second motor (407) installed below the front end of the left side of the left side plate (401) and the right side plate (402), a second rotating rod (408) connected to the lower interior of the left side plate (401) and the right side plate (402), and a support wheel (409) fixedly connected to the outer end of the second rotating rod (408).

4. A precast concrete component demolding device according to claim 1, characterized in that, The outer side of the first rectangular plate (504) is slidably connected to the inner side of the rear frame (502), and the outer side of the second rectangular plate (507) is slidably connected to the inner side of the front frame (505).

5. A precast concrete component demolding device according to claim 2, characterized in that, The inner side of the sleeve rod (301) is slidably connected to the outer side of the round rod (303). The lower end of the inner side of the adjusting rod (309) is provided with a rotating hole. The outer side of the round shaft (307) is rotatably connected to the inner side of the rotating hole. The front side of the disc (306) is slidably connected to the rear side of the adjusting rod (309). The rear side of the baffle (308) is slidably connected to the front side of the adjusting rod (309). The upper end of the adjusting rod (309) is hinged to the lower middle position of the worktable (2) by a hinge.

6. A precast concrete component demolding device according to claim 3, characterized in that, A left groove is provided on the left side of the upper left and right halves of the workbench (2), and a right groove is provided on the right side of the upper left and right halves of the workbench (2). The lower side of the left side plate (401) is fixedly connected to the inner bottom end of the left groove, and the lower side of the right side plate (402) is fixedly connected to the inner bottom end of the right groove. First rotating holes are provided at the front and rear ends of the lower interior of the left side plate (401) and the right side plate (402) and at the front and rear ends of the right side of the fixing frame (403). The outer sides of the left and right ends of the first rotating rod (404) are rotatably connected to the inner side of the first rotating hole. A second rotating hole is provided at an equal distance between the lower end of the inside of the right side plate (402) and the right end of the fixing frame (403) located between the first rotating hole. The outer sides of the left and right ends of the second rotating rod (408) are rotatably connected to the inner side of the second rotating hole. The left and right sides of the pulley (405) and the support wheel (409) are slidably connected to the opposite side of the left side plate (401) and the fixing frame (403) or the opposite side of the right side plate (402) and the fixing frame (403). The output shaft end of the second motor (407) is fixedly connected to the end of the first rotating rod (404) away from the fixing frame (403).

7. A precast concrete component demolding device according to claim 3, characterized in that, The outer side of the support wheel (409) is tumblingly connected to the inner side of the belt (406), and the workbench (2) has symmetrically arranged discharge ports at its left and right ends.