Sand core position detection mechanism and detection method

Abstract

The present invention discloses a sand core position detection mechanism and detection method, and relates to the field of casting technology. The present invention includes a base block assembly, and a positioning column 1 and a positioning column 2 are arranged at the bottom of the base block assembly; a scale plate is arranged on an edge side of the base block assembly and a scale groove is arranged on the scale plate, and a pointer is arranged at the center of one side of the scale plate; the detection method includes respectively arranging scale lines 1 and 2 on the sand core and the cavity, and placing the sand core in the cavity; at the same time, a positioning hole that cooperates with the positioning column 1 and the positioning column 2 is arranged on the side of the cavity; the pointer is controlled to align with the scale line 2 on the cavity; at this time, the scale value on the scale plate corresponding to the sand core scale line 1 is the position deviation value of the sand core and the cavity. The present invention realizes online detection of the position deviation of the sand core placed in the cavity through the setting of the scale plate, and the position of the sand core can be adjusted in real time according to the deviation situation.

Description

Technical Field

[0001] The invention belongs to the technical field of casting, and in particular relates to a sand core position detection mechanism and a detection method. Background Art

[0002] In the casting production process, the sand core often shifts when placed in the cavity, resulting in unqualified product dimensions. In severe cases, the sand core interferes with the cavity and the sand hole of the product is scrapped. Currently, more complex sand cores are usually placed using a core clamp, but the position of the sand core in the cavity cannot be accurately judged and cannot be visualized. Summary of the invention

[0003] The object of the present invention is to provide a sand core position detection mechanism and detection method, so as to achieve online detection of the position deviation of the sand core placed in the cavity, and to adjust the position of the sand core in real time according to the deviation.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0005] The invention discloses a sand core position detection mechanism, comprising a base block component, wherein a first positioning column and a second positioning column are arranged at the bottom of the base block component; a scale plate is arranged on an edge side of the base block component and a scale groove is arranged on the scale plate.

[0006] Furthermore, the base block assembly is a rectangular block.

[0007] Furthermore, the base block assembly includes a base, with ribs disposed on both sides of the base, two T-shaped slide rails disposed in parallel on the base between the two ribs, and a slider disposed on the two T-shaped slide rails;

[0008] An adjusting screw 1 is provided through one of the ribs, and an adjusting screw 2 is provided through the other rib; a spring 1 is sleeved on the outer side of the adjusting screw 2, and the two ends of the spring 1 are respectively connected to the rib and the slider;

[0009] An open slot is provided on one side of the slider and two elastic telescopic members are provided in the open slot, a movable plate is connected to the top of the two elastic telescopic members, an adjusting screw rod 3 is also provided through the slider, and the end of the adjusting screw rod 3 extends into the open slot;

[0010] The scale plate is arranged on an edge side of the movable plate.

[0011] Furthermore, the scale plate and the movable plate cooperate to form an "L"-shaped plate structure.

[0012] Furthermore, a pointer is arranged at the center of one side of the scale plate; the pointer is a needle-shaped or thin-sheet structure.

[0013] Furthermore, the elastic telescopic member comprises an outer sleeve and an inner sleeve which are sleeved with each other, and a second spring is arranged between the outer sleeve and the inner sleeve.

[0014] Furthermore, a T-shaped slide groove is provided on the bottom side of the base, an I-shaped slide block is provided in the T-shaped slide groove, and the second positioning column is fixed on the bottom side of the I-shaped slide block;

[0015] An elastic body is arranged at one end of the "I"-shaped sliding block, one end of the elastic body is fixed on a base in the T-shaped sliding groove, and the other end thereof is abutted against an adjusting screw, and the elastic body is a rubber column or a silicone gasket.

[0016] A sand core position detection method, comprising:

[0017] Marking line 1 and marking line 2 are set on the sand core and the cavity respectively, and the sand core is placed in the cavity; at the same time, positioning holes cooperating with positioning column 1 and positioning column 2 are set on the side of the cavity; the control pointer is aligned with marking line 2 on the cavity; at this time, the scale value on the scale plate corresponding to marking line 1 of the sand core is the position deviation value of the sand core and the cavity.

[0018] The present invention has the following beneficial effects:

[0019] The present invention realizes online detection of the position deviation of the sand core placed in the cavity by setting a scale plate, and can adjust the position of the sand core in real time according to the deviation situation.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0022] Figure 1 This is a schematic diagram of the structure of the sand core position detection mechanism of the present invention from a top view;

[0023] Figure 2 for Figure 1 The main view;

[0024] Figure 3 This is a schematic diagram of the structure of the sand core position detection mechanism of the present invention when viewed from above;

[0025] Figure 4 for Figure 1 A partial enlarged view of the middle part;

[0026] Figure 5 This is a usage state diagram of the sand core position detection mechanism of the present invention. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0029] See also Figure 1-5 As shown, the present invention is a sand core position detection mechanism, including a base block assembly, a positioning column 3 and a positioning column 4 are arranged at the bottom of the base block assembly; a scale plate 25 is arranged on an edge side of the base block assembly and a scale groove 27 is arranged on the scale plate 25.

[0030] Preferably, the base block assembly includes a base 1, with ribs 11 disposed on both sides of the base 1, two T-shaped slide rails 12 disposed in parallel on the base 1 between the two ribs 11, and a slider 2 disposed on the two T-shaped slide rails 12;

[0031] An adjusting screw 15 is provided through one of the ribs 11, and an adjusting screw 2 13 is provided through the other rib; a spring 14 is sleeved on the outer side of the adjusting screw 2 13, and the two ends of the spring 14 are respectively connected to the rib 11 and the slider 2;

[0032] An open slot 21 is provided on one side of the slider 2 and two elastic telescopic members 23 are provided in the open slot 21. A movable plate 24 is connected to the top of the two elastic telescopic members 23. An adjusting screw rod 3 22 is also provided through the slider 2. The end of the adjusting screw rod 3 22 extends into the open slot 21.

[0033] The scale plate 25 is provided on one edge side of the movable plate 24 .

[0034] Preferably, the scale plate 25 and the movable plate 24 cooperate to form an "L"-shaped plate structure.

[0035] Preferably, a pointer 26 is provided at the center of one side of the scale plate 25; the pointer 26 is a needle-shaped or sheet-shaped structure.

[0036] Preferably, the elastic telescopic member 23 comprises an outer sleeve and an inner sleeve which are sleeved together, and a spring 2 is arranged between the outer sleeve and the inner sleeve.

[0037] Preferably, a T-shaped slide groove 17 is provided on the bottom side of the base 1, an I-shaped slide block 41 is provided in the T-shaped slide groove 17, and the positioning column 4 is fixed on the bottom side of the I-shaped slide block 41;

[0038] An elastic body 42 is disposed at one end of the I-shaped slider 41. One end of the elastic body 42 is fixed on the base 1 in the T-shaped slide groove 17, and the other end thereof abuts against an adjusting screw 43. The elastic body 42 is a rubber column or a silicone gasket.

[0039] A sand core position detection method, comprising:

[0040] A scale line 1 61 and a scale line 2 51 are respectively provided on the sand core 6 and the cavity 5, and the sand core 6 is placed in the cavity 5; at the same time, a positioning hole cooperating with the positioning column 1 3 and the positioning column 2 4 is provided on the side of the cavity 5; the control pointer 26 is aligned with the scale line 2 51 on the cavity 5; at this time, the scale value on the scale plate 25 corresponding to the scale line 1 61 of the sand core 6 is the position deviation value of the sand core 6 and the cavity 5.

[0041] By setting scale lines on the sand core and the cavity, after the core clamp puts the sand core into the cavity, visually check whether the scale lines of the sand core and the cavity are aligned. The line on the cavity is used as a reference. If the two scale lines are flush, it means that the sand core is in place. At the same time, use a scaled detection template to measure the sand core position offset, effectively preventing product scrapping caused by sand core offset.

[0042] At the same time, the present invention facilitates the adjustment of the position of the slider 2 to the left and right after the base 1 is installed by setting the slider 2, so that the pointer 26 set on the slider 2 is aligned with the engraved line 51 on the cavity 5;

[0043] At the same time, the setting of the "I"-shaped slider 41 makes it convenient to install the base 1 on the side of the cavity 5, avoiding the base 1 from shaking on the cavity 5 after installation, and the base 1 can be clamped and fixed by the positioning column 1 3 and the positioning column 2 4 by moving left and right.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", 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 present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A sand core position detection mechanism, characterized in that: It comprises a base block assembly, the bottom of which is provided with a first positioning column (3) and a second positioning column (4); A scale plate (25) is arranged on an edge side of the base block assembly, and a scale groove (27) is arranged on the scale plate (25); The base block assembly comprises a base (1), with ribs (11) arranged on both sides of the base (1), two T-shaped slide rails (12) arranged in parallel on the base (1) between the two ribs (11), and a sliding block (2) being arranged on the two T-shaped slide rails (12); An adjusting screw rod 1 (15) is provided through one of the retaining edges (11), and an adjusting screw rod 2 (13) is provided through the other of the retaining edges; a spring rod 1 (14) is sleeved on the outer side of the adjusting screw rod 2 (13), and two ends of the spring rod 1 (14) are respectively connected to the retaining edge (11) and the sliding block (2); An open slot (21) is provided on one side of the slider (2) and two elastic telescopic members (23) are provided in the open slot (21). A movable plate (24) is connected to the top of the two elastic telescopic members (23). An adjusting screw rod (22) is also provided through the slider (2), and the end of the adjusting screw rod (22) extends into the open slot (21). The bottom side surface of the base (1) is provided with a T-shaped slide groove (17), an "I"-shaped slide block (41) is arranged in the T-shaped slide groove (17), and the second positioning column (4) is fixed to the bottom side surface of the "I"-shaped slide block (41); An elastic body (42) is disposed at one end of the "I"-shaped sliding block (41), one end of the elastic body (42) is fixed on a base (1) in the T-shaped sliding groove (17), and the other end thereof abuts against an adjusting screw (43); the scale plate (25) is disposed on an edge side of the movable plate (24); A pointer (26) is arranged at the center of one side of the scale plate (25); the pointer (26) is a needle-shaped or sheet-shaped structure; The sand core position detection method of the sand core position detection mechanism specifically comprises: A first scale line (61) and a second scale line (51) are respectively arranged on the sand core (6) and the mold cavity (5), and the sand core (6) is placed in the mold cavity (5); at the same time, a positioning hole is arranged on the side of the mold cavity (5) to cooperate with a first positioning column (3) and a second positioning column (4); the control pointer (26) is aligned with the second scale line (51) on the mold cavity (5); at this time, the scale value on the scale plate (25) corresponding to the first scale line (61) of the sand core (6) is the position deviation value of the sand core (6) and the mold cavity (5).

2. A sand core position detection mechanism according to claim 1, characterized in that: The base block component is a rectangular block.

3. A sand core position detection mechanism according to claim 1, characterized in that: The scale plate (25) and the movable plate (24) cooperate to form an "L"-shaped plate structure.

4. A sand core position detection mechanism according to claim 1, characterized in that: The elastic telescopic member (23) comprises an outer sleeve and an inner sleeve which are sleeved together, and a second spring is arranged between the outer sleeve and the inner sleeve.

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