Automatic opening and closing die for shield segment

Abstract

The utility model discloses an automatic opening and closing die for a shield segment, and relates to the technical field of shield segment dies. The end dies are movably mounted at the two ends of the bottom die respectively; the at least two side dies are movably installed on the two sides of the bottom die respectively, and the side dies are located between the two end dies; the side mold opening and closing mechanisms are mounted on the bottom mold, one end of each side mold opening and closing mechanism is connected with the bottom mold, and the other end of each side mold opening and closing mechanism is connected with the side mold; the at least two end mold locking mechanisms are respectively mounted at two ends of the side mold, and the end parts of the end mold locking mechanisms are connected with the end mold; and the at least two end mold positioning mechanisms are arranged at the two ends of the side mold, and the end parts of the end mold positioning mechanisms are connected with the end mold. The utility model solves the technical problems that the opening and closing operation time of the existing mold is long, and the size deviation is easy to generate.

Description

Technical Field

[0001] The utility model relates to the technical field of shield segment moulds, in particular to an automatic opening and closing mould for a shield segment. Background Art

[0002] Shield construction is the safest and most effective construction method for subway construction, and has been gradually adopted by construction units. The most critical component of shield construction is the tunnel lining segment; with the rapid development of shield construction, the demand for tunnel lining segments is growing; as the main prefabricated concrete components of subway shield construction, the production process of tunnel lining segments is relatively complex and the requirements are becoming increasingly stringent. Among them, the casting of each shield segment is mainly completed with the help of segment molds.

[0003] The existing tunnel lining segments are opened and closed manually, which is labor-intensive, time-consuming and labor-intensive. In addition, manual operation is highly random, and bolts are often not properly tightened and mold cavity size deviations occur, resulting in size deviations of the produced concrete segments. Utility Model Content

[0004] The utility model aims to provide an automatic opening and closing mould for shield segments, which solves the technical problems of the prior art that the mould opening and closing operation takes a long time and is prone to size deviation.

[0005] The embodiment of the present application discloses an automatic opening and closing mold for shield segments, comprising:

[0006] Bottom mold;

[0007] At least two end molds, movably mounted at two ends of the bottom mold;

[0008] At least two side molds are movably mounted on both sides of the bottom mold, and the side molds are located between the two end molds;

[0009] At least two side mold opening and closing mechanisms are installed on the bottom mold, one end of the side mold opening and closing mechanism is connected to the bottom mold, and the other end is connected to the side mold;

[0010] At least two end mold locking mechanisms are respectively installed at two ends of the side mold, and the ends of the end mold locking mechanisms are connected to the end mold;

[0011] At least two end mold positioning mechanisms are arranged at two ends of the side mold, and the ends of the end mold positioning mechanisms are connected to the end mold.

[0012] The present application provides an end mold positioning mechanism to ensure the stability of the subsequent end mold after mold closing, thereby ensuring the accuracy of the size of the processed product.

[0013] Based on the above technical solution, the embodiment of the present application can also be improved as follows:

[0014] Furthermore, the side mold opening and closing mechanism includes:

[0015] An opening and closing base is installed on the bottom mold;

[0016] The side mold opening and closing hydraulic cylinder is installed on the opening and closing base, and the output end of the side mold opening and closing hydraulic cylinder is connected to the side mold. The beneficial effect of adopting this step is that the side mold opening and closing hydraulic cylinder can be driven by the cylinder to ensure the stability after mold closing.

[0017] Furthermore, it also includes a side mold positioning mechanism, which is installed between the side mold and the bottom mold. The beneficial effect of adopting this step is to ensure the accuracy of positioning during subsequent mold closing through the side mold positioning mechanism.

[0018] Furthermore, the side mold positioning mechanism includes:

[0019] An opening and closing adjustment nut is installed on the side mold;

[0020] An opening and closing positioning pin is installed inside the opening and closing adjustment nut;

[0021] The opening and closing positioning seat is installed on the side of the bottom mold, and the opening and closing positioning seat corresponds to the opening and closing positioning pin. The beneficial effect of adopting this step is to achieve the positioning function through the cooperation of the opening and closing positioning pin and the opening and closing positioning seat.

[0022] Furthermore, it also includes a rotating assembly, which is connected to the bottom mold and the side mold respectively. The beneficial effect of adopting this step is to ensure the stable rotation of the side mold through the rotating assembly.

[0023] Furthermore, the rotating assembly comprises:

[0024] A rotating seat, mounted on the bottom mold;

[0025] A rotating shaft is installed at the end of the rotating seat, and the rotating shaft is connected to the side mold. The beneficial effect of adopting this step is to realize the rotation of the side mold through the rotating shaft.

[0026] Furthermore, the end mold locking mechanism includes:

[0027] A locking seat, installed on the side mold;

[0028] The locking hydraulic cylinder is installed on the locking seat, and the end of the locking hydraulic cylinder is connected to the end mold. The beneficial effect of adopting this step is to replace manual operation with the locking hydraulic cylinder to ensure the stability of opening and closing.

[0029] Furthermore, the end mold positioning mechanism includes:

[0030] An end mold positioning pin is installed on the end mold;

[0031] The end mold positioning seat is installed on the side mold, and the end mold positioning seat corresponds to the end mold positioning pin. The beneficial effect of adopting this step is to ensure the accuracy of positioning through the end mold positioning pin.

[0032] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0033] 1. The present application is provided with side mold opening and closing hydraulic cylinders, locking hydraulic cylinders and other components to replace manual operation, thereby ensuring stability during mold closing and ensuring the stability of the dimensions of subsequent processing.

[0034] 2. The present application is provided with an end mold locking mechanism to replace manual bolt locking, so as to ensure stability during mold closing.

[0035] 3. This application designs the opening and closing positioning pins and the end mold positioning pins to ensure the accuracy after positioning and the stability during subsequent dimensional processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 It is a structural schematic diagram of an automatic opening and closing mold for shield segments according to a specific embodiment of the utility model;

[0038] Figure 2 for Figure 1 Sectional view along AA direction;

[0039] Figure 3 for Figure 1 Structural diagram of the middle-end mold positioning mechanism;

[0040] Figure 4 for Figure 1 Structural schematic diagram of the middle and side mold positioning mechanism;

[0041] Figure 5 for Figure 1 A schematic diagram of the structure of the rotating assembly;

[0042] The specific reference numerals are as follows:

[0043] 1- bottom mold; 2- end mold; 3- side mold; 4- side mold opening and closing mechanism; 5- end mold locking mechanism; 6- end mold positioning mechanism; 7- side mold positioning mechanism; 8- rotating assembly;

[0044] 401-opening and closing base; 402-side mold opening and closing hydraulic cylinder;

[0045] 501-locking seat; 502-locking hydraulic cylinder;

[0046] 601-end mold positioning pin; 602-end mold positioning seat;

[0047] 701-opening and closing adjustment nut; 702-opening and closing positioning pin; 703-opening and closing positioning seat;

[0048] 801-rotating seat; 802-rotating axis; DETAILED DESCRIPTION

[0049] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0050] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.

[0051] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0052] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0053] Example:

[0054] like Figure 1-5 As shown, an embodiment of the present application discloses an automatic opening and closing mold for shield segments, which is used to complete the prefabrication processing of shield segments.

[0055] like Figure 1 , 2 As shown, the specific structure of this application includes:

[0056] The bottom mold 1, as a support for the remaining parts, is used to install the remaining movable molds;

[0057] At least two end molds 2 are movably mounted at both ends of the bottom mold 1, respectively, to cooperate with subsequent side molds to facilitate the prefabrication of shield segments;

[0058] At least two side molds 3 are movably mounted on both sides of the bottom mold 1, and the side molds 3 are located between the two end molds 2;

[0059] At least two side mold opening and closing mechanisms 4 are installed on the bottom mold 1, one end of the side mold opening and closing mechanism 4 is connected to the bottom mold 1, and the other end is connected to the side mold 3, and the side mold opening and closing mechanism 4 is used to drive the side mold 3 to move, that is, to realize the movement of the side mold 3 away from the bottom mold 1 or close to the bottom mold 1, that is, the open state and the closed state;

[0060] At least two end mold locking mechanisms 5 are respectively installed at the two ends of the side mold 3, and the ends of the end mold locking mechanisms 5 are connected to the end mold 2, and the end mold locking mechanisms 5 drive the end mold 2 to move so that it cooperates with the side mold 3;

[0061] At least two end mold positioning mechanisms 6 are arranged at both ends of the side mold 3, and the ends of the end mold positioning mechanisms 6 are connected to the end mold 2. The end mold positioning mechanisms 6 can ensure the stability of the end mold 2.

[0062] In one embodiment, the side mold opening and closing mechanism 4 includes:

[0063] An opening and closing base 401 is installed on the bottom mold 1;

[0064] The side mold opening and closing hydraulic cylinder 402 is installed on the opening and closing base 401, and the output end of the side mold opening and closing hydraulic cylinder 402 is connected to the side mold 3. The side mold opening and closing hydraulic cylinder 402 is used to pull the side mold to move closer to or away from the bottom mold 1.

[0065] Among them, the present application also includes a side mold positioning mechanism 7, which is installed between the side mold 3 and the bottom mold 1. The side mold positioning mechanism 7 plays a positioning role, that is, the position of the side mold 3 can be relatively fixed when the mold is closed, thereby ensuring the quality of the product.

[0066] Specifically, Figure 4 As shown, the side mold positioning mechanism includes:

[0067] An opening and closing adjustment nut 701 is installed on the side mold 3;

[0068] An opening and closing positioning pin 702 is installed inside the opening and closing adjustment nut 701;

[0069] The opening and closing positioning seat 703 is installed on the side of the bottom mold 1, and the opening and closing positioning seat 703 corresponds to the opening and closing positioning pin 702. The opening and closing positioning seat 703 is provided with a groove that cooperates with the end of the opening and closing positioning pin 702. When the side mold 3 is closed, the end of the opening and closing positioning pin 702 cooperates with the opening and closing positioning seat 703 to complete the positioning and locking, thereby ensuring the accuracy of the processed product.

[0070] In one embodiment, the present application further includes a rotating assembly 8 , which is respectively connected to the bottom mold 1 and the side mold 3 , and the rotating assembly 8 can realize stable rotation of the side mold 3 .

[0071] Specifically, Figure 5 As shown, the rotating assembly 8 includes:

[0072] The rotating seat 801 is installed on the bottom mold 1;

[0073] The rotating shaft 802 is installed at the end of the rotating seat 801, and the rotating shaft 802 is connected to the side mold 3. The rotating assembly 8 forms a rotating point, that is, the subsequent side mold can rotate around the rotating point.

[0074] In another embodiment, the end mold locking mechanism 5 includes:

[0075] The locking seat 501 is installed on the side mold 3;

[0076] The locking hydraulic cylinder 502 is installed on the locking seat 501, and the end of the locking hydraulic cylinder 502 is connected to the end mold 2; the present application connects the two ends of the locking hydraulic cylinder 502 respectively, and then drives the end mold 2 to move through the locking hydraulic cylinder 502 to achieve mold closing, which is convenient for subsequent molding.

[0077] Among them, Figure 3 As shown, the end mold positioning mechanism 6 includes:

[0078] End mold positioning pin 601, installed on the end mold 2;

[0079] The end mold positioning seat 602 is installed on the side mold 3, and the end mold positioning seat 602 corresponds to the end mold positioning pin 601; similarly, the end mold positioning seat 602 is provided with a groove that cooperates with the end of the end mold positioning pin 601, and the two cooperate with each other to ensure the accuracy of mold closing.

[0080] The structure of this application is further described as follows:

[0081] The opening and closing of the end mold 2 and the side mold 3, and the side mold 3 and the bottom mold 1 in the present application are automatically realized by the hydraulic cylinder, which can ensure the stability of opening and closing; at the same time, when the end mold 2 and the side mold 3 in the present application are closed, the bottom mold processing surface is used as the limiting reference surface to ensure that the end mold 2 and the side mold 3 are in flat contact, thereby ensuring the accuracy of the size.

[0082] Among them, the ends of the end mold positioning pin and the opening and closing positioning pin in the present application are tapered, which can ensure stability during positioning.

[0083] In the specification of the present utility model, a lot of specific details are described. However, it is understood that the embodiments of the present utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this specification.

[0084] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0085] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. An automatic opening and closing mold for shield segments, characterized in that: include: Bottom mold; At least two end molds, movably mounted at two ends of the bottom mold; At least two side molds are movably mounted on both sides of the bottom mold, and the side molds are located between the two end molds; At least two side mold opening and closing mechanisms are installed on the bottom mold, one end of the side mold opening and closing mechanism is connected to the bottom mold, and the other end is connected to the side mold; At least two end mold locking mechanisms are respectively installed at two ends of the side mold, and the ends of the end mold locking mechanisms are connected to the end mold; At least two end mold positioning mechanisms are arranged at two ends of the side mold, and the ends of the end mold positioning mechanisms are connected to the end mold.

2. The automatic opening and closing mold for shield segments according to claim 1 is characterized in that: The side mold opening and closing mechanism comprises: An opening and closing base is installed on the bottom mold; The side mold opening and closing hydraulic cylinder is installed on the opening and closing base, and the output end of the side mold opening and closing hydraulic cylinder is connected to the side mold.

3. The automatic opening and closing mold for shield segments according to claim 2 is characterized in that: It also includes a side mold positioning mechanism, which is installed between the side mold and the bottom mold.

4. The automatic opening and closing mold for shield segments according to claim 3 is characterized in that: The side mold positioning mechanism comprises: An opening and closing adjustment nut is installed on the side mold; An opening and closing positioning pin is installed inside the opening and closing adjustment nut; The opening and closing positioning seat is installed on the side of the bottom mold, and the opening and closing positioning seat corresponds to the opening and closing positioning pin.

5. The automatic opening and closing mold for shield segments according to claim 4 is characterized in that: It also includes a rotating assembly, which is connected to the bottom mold and the side mold respectively.

6. The automatic opening and closing mold for shield segments according to claim 5 is characterized in that: The rotating assembly comprises: A rotating seat, mounted on the bottom mold; A rotating shaft is installed on the end of the rotating seat, and the rotating shaft is connected to the side mold.

7. The automatic opening and closing mold for shield segments according to claim 1 is characterized in that: The end mold locking mechanism comprises: A locking seat, installed on the side mold; The locking hydraulic cylinder is installed on the locking seat, and the end of the locking hydraulic cylinder is connected to the end mold.

8. The automatic opening and closing mold for shield segments according to claim 7 is characterized in that: The end mold positioning mechanism comprises: An end mold positioning pin is installed on the end mold; The end mold positioning seat is installed on the side mold, and the end mold positioning seat corresponds to the end mold positioning pin.

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