Coring clamp for sand core mold
By designing a core extraction fixture for sand core molds, a threaded fit and sliding structure are used to clamp the sand core without the need for finger force. This solves the problem of insufficient safety of existing fixtures, improves the safety and efficiency of the sand core extraction process, and reduces heat transfer.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-04-07
AI Technical Summary
The existing sand core mold clamping structure is simple, which requires operators to use their fingers to clamp it, affecting safety. In addition, protective gloves affect the clamping force, posing a risk of sand core falling off.
Design a core extraction fixture for sand core molds, comprising a triangular top plate, an adjusting plate, an adjusting groove, an adjusting slider, an adjusting screw, and a clamping plate. The position of the clamping plate is adjusted by threaded engagement. Combined with the sliding groove and positioning holes, the sand core can be fixed without the need for finger force, increasing safety, and heat transfer is reduced by the heat insulation plate.
This technology enables the sand core to be fixed without the need for finger strength, facilitating safe movement, improving the safety and efficiency of the sand core removal process, and reducing the impact of heat on operators.
Smart Images
Figure CN224087947U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sand core technical field, concretely relates to a sand core mould is used core clamp. BACKGROUND
[0002] Sand core mould belongs to one kind of foundry mould, and sand core is formed in the mould through mould sand, binder and other materials, these sand cores are fixed in the sand mould during casting, and finally form the inner cavity or fine structure of the casting, after the sand core mould processing is completed, it needs to be taken out, some factories adopt manual mode to take core limited by cost, the operating personnel wear protective gloves, and the sand core mould is taken out through the clamp, the existing clamp is simple in structure, needs the operating personnel to tighten with finger force, in order to operate safely, the protective gloves worn by the operating personnel can influence the hand-held force, leading to the insufficient clamping force of the sand core clamp, and there is the risk of falling in the use process.
[0003] Based on this, the utility model discloses a kind of sand core mould is used core clamp to solve above-mentioned problem. UTILITY MODEL CONTENT
[0004] In view of the above-mentioned shortcomings of prior art, the utility model provides a kind of sand core mould is used core clamp.
[0005] To achieve the above object, the utility model is realized by the following technical scheme:
[0006] A kind of sand core mould is used core clamp, including triangular top plate, the triangular top plate top center is equipped with handle, the triangular top plate side is fixed with three sets of adjusting plate, adjusting slot is opened in the center of the adjusting plate bottom, adjusting sliding block is slid in the adjusting slot, adjusting screw is screwed in the adjusting sliding block side, adjusting screw is rotatably penetrated adjusting plate both sides setting, the clamping plate is fixed in the adjusting sliding block bottom, sliding slot is opened in the center of the clamping plate bottom, sliding plate is slid in the sliding slot, adjusting hole is opened in the sliding slot side, positioning hole is opened in the sliding plate side, positioning rod is inserted in the positioning hole and adjusting hole, the bottom support is fixed in the sliding plate bottom.
[0007] Further, the horizontal section of the triangular top plate is equilateral triangle, connecting groove is opened in the adjusting plate side, the triangular top plate is screwed in the connecting groove, and the clamping plate is screwed in the bottom of the adjusting sliding block.
[0008] Further, the adjusting slot is penetrated adjusting plate both sides setting, the plug is slid in the adjusting slot both ends, and the plug is screwed in the adjusting plate both sides.
[0009] Further, the auxiliary sliding grooves are arranged through the bottom end of the clamping plate, and the auxiliary sliding groove, the auxiliary sliding plate and the sliding plate have the same length.
[0010] Further, the auxiliary sliding grooves are arranged through the bottom end of the clamping plate, and the auxiliary sliding groove, the auxiliary sliding plate and the sliding plate have the same length.
[0011] Further, the clamping plate is fixed with the center columns at equal intervals on the side surface, the side surface of the center column is provided with a spring, and the top end of the spring is fixed with a positioning plate.
[0012] Further, the length of the positioning plate is equal to the length of the clamping plate, and the side surface of the positioning plate is provided with a tooth groove at equal intervals.
[0013] Further, the bottom end of the triangular top plate is fixed with a heat insulation disc through a thread, the heat insulation disc is provided with a heat insulation cavity, the side surface of the heat insulation disc is provided with an opening, and the opening and the heat insulation cavity are arranged in communication. Beneficial effects
[0014] 1. By arranging the triangular top plate, the handle, the adjusting plate, the adjusting sliding groove, the adjusting sliding block, the adjusting screw and the clamping plate, the size of the sand core to be taken out can be determined, the adjusting screw is rotated, the adjusting sliding block is adjusted in the adjusting sliding groove through the thread cooperation of the adjusting screw and the adjusting sliding block, the clamping plate is moved and the side surface of the sand core is tightly contacted, the operator only needs to hold the handle to move the sand core, no additional force is needed to fix the sand core, and the sand core is convenient to take out and move; by arranging the sliding groove, the sliding plate, the adjusting hole, the positioning hole, the positioning rod and the bottom support, the positioning rod is inserted into the positioning hole and the adjusting hole by selecting the adjusting hole at a proper position, the position of the bottom support is adjusted, the top end of the bottom support is lower than the bottom end of the sand core, and the safety of the sand core during the taking out and moving is further improved.
[0015] 2. By arranging the heat insulation disc, the heat insulation cavity and the opening, the triangular top plate is placed on the top end of the sand core, the heat insulation disc is contacted with the top end of the sand core, the heat insulation cavity is used to weaken the heat transmission to the handle, by arranging the auxiliary sliding groove and the auxiliary sliding block, the auxiliary sliding plate is moved under the sliding cooperation of the auxiliary sliding groove and the auxiliary sliding block, by arranging the spring, the positioning plate and the tooth groove, the positioning plate is tightly contacted with the side surface of the sand core when the clamping plate is moved, and the sand core is positioned under the cooperation of the spring and the tooth groove. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor.
[0017] Figure 1 It is a body structure perspective view of the core taking clamp for the sand core mold of the utility model;
[0018] Figure 2 It is a triangular top plate structure perspective view of the core taking clamp for the sand core mold of the utility model;
[0019] Figure 3 It is an adjusting plate structure perspective view of the core taking clamp for the sand core mold of the utility model;
[0020] Figure 4 It is a clamping plate structure perspective view of the core taking clamp for the sand core mold of the utility model;
[0021] Figure 5 It is a sliding plate structure perspective view of the core taking clamp for the sand core mold of the utility model.
[0022] The numbers in the drawing respectively represent:
[0023] 1, triangular top plate; 2, handle; 3, adjusting plate; 4, adjusting sliding groove; 5, adjusting sliding block; 6, adjusting screw; 7, clamping plate; 8, sliding groove; 9, sliding plate; 10, adjusting hole; 11, positioning hole; 12, positioning rod; 13, bottom support; 14, connecting groove; 15, plug; 16, auxiliary sliding groove; 17, auxiliary sliding plate; 18, center column; 19, spring; 20, positioning plate; 21, tooth groove; 22, heat insulation disc; 23, heat insulation cavity; 24, opening. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] The utility model will be further described below in combination with the embodiments.
[0026] In some embodiments, referring to the drawings in the description Figure 1 and Figure 3A core-taking fixture for a sand core mold includes a triangular top plate 1, a handle 2 installed at the center of the top of the triangular top plate 1, three sets of adjusting plates 3 fixed on the side of the triangular top plate 1, an adjusting groove 4 opened at the center of the bottom of the adjusting plate 3, an adjusting slider 5 sliding in the adjusting groove 4, an adjusting screw 6 threaded through the side of the adjusting slider 5, the two ends of the adjusting screw 6 rotating through the two sides of the adjusting plate 3, a clamping plate 7 fixed at the bottom of the adjusting slider 5, a sliding groove 8 opened at the center of the bottom of the clamping plate 7, a sliding plate 9 sliding in the sliding groove 8, an adjusting hole 10 opened on the side of the sliding groove 8, a positioning hole 11 opened on the side of the sliding plate 9, a positioning rod 12 inserted into the positioning hole 11 and the adjusting hole 10, and a base support 13 fixed at the bottom of the sliding plate 9.
[0027] In this embodiment of the utility model, during use, the operator holds the handle 2, places the triangular top plate 1 on the top of the sand core, and selects the appropriate position of the adjustment hole 10 by using the sliding cooperation of the sliding plate 9 and the sliding groove 8. The positioning rod 12 is inserted into the positioning hole 11 and the adjustment hole 10, and the position of the base 13 is adjusted so that its top is lower than the bottom of the sand core. Then, the adjustment screw 6 is rotated, and the position of the adjustment slider 5 in the adjustment groove 4 is adjusted by using the threaded cooperation of the adjustment screw 6 and the adjustment slider 5. This causes the clamping plate 7 to move and come into close contact with the side of the sand core for positioning. The operator only needs to hold the handle to move the sand core without having to apply external force with their fingers to fix it, which facilitates the movement of the sand core. At the same time, the setting of the base 13 further improves the safety of the sand core when it is taken out and moved.
[0028] In this embodiment of the invention, by setting a triangular top plate 1, a handle 2, an adjusting plate 3, an adjusting groove 4, an adjusting slider 5, an adjusting screw 6, and a clamping plate 7, the adjusting screw 6 can be rotated according to the size of the sand core to be removed. The threaded engagement between the adjusting screw 6 and the adjusting slider 5 adjusts the position of the adjusting slider 5 within the adjusting groove 4, thereby causing the clamping plate 7 to move and come into close contact with the side of the sand core for positioning. The operator only needs to hold the handle to move the sand core, eliminating the need for external force applied by the fingers for fixing, thus facilitating the removal and movement of the sand core. Furthermore, by setting a sliding groove 8, a sliding plate 9, an adjusting hole 10, a positioning hole 11, a positioning rod 12, and a base 13, and selecting a suitable position for the adjusting hole 10, inserting the positioning rod 12 into the positioning hole 11 and the adjusting hole 10, and adjusting the position of the base 13 so that its top is lower than the bottom of the sand core, the safety of removing and moving the sand core is further improved.
[0029] In one embodiment of this utility model, the horizontal cross-section of the triangular top plate 1 is an equilateral triangle, the side of the adjusting plate 3 is provided with a connecting groove 14, the triangular top plate 1 is threadedly fixed in the connecting groove 14, and the clamping plate 7 is threadedly fixed to the bottom end of the adjusting slider 5, which facilitates the installation and removal of the adjusting plate 3 and the clamping plate 7; the adjusting slide 4 is provided through both sides of the adjusting plate 3, and the two ends of the adjusting slide 4 are provided with blocking blocks 15, which are threadedly fixed to both sides of the adjusting plate 3, which facilitates the installation and removal of the adjusting slider 5 and the adjusting screw 6;
[0030] In some embodiments, such as Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, auxiliary sliding grooves 16 are symmetrically provided on both sides of the sliding groove 8, and auxiliary sliding plate 17 is fixed on the side of the sliding plate 9. The positioning hole 11 is provided through the auxiliary sliding plate 17 and the sliding plate 9. The auxiliary sliding groove 16 is provided through the bottom end of the clamping plate 7. The auxiliary sliding groove 16, the auxiliary sliding plate 17 and the sliding plate 9 have the same length. The clamping plate 7 has central pillars 18 fixed at equal intervals on its side. The central pillars 18 have springs 19 on their side. The top of the springs 19 is fixed with a positioning plate 20. The length of the positioning plate 20 is equal to the length of the clamping plate 7 and the side has toothed grooves 21 at equal intervals. The bottom end of the triangular top plate 1 is threaded with a heat insulation plate 22. The heat insulation plate 22 has a heat insulation cavity 23. The side of the heat insulation plate 22 has an opening 24. The opening 24 and the heat insulation cavity 23 are connected.
[0031] In this embodiment of the utility model, during use, the operator holds the handle 2 and places the triangular top plate 1 on the top of the sand core, so that the heat insulation plate 22 contacts the top of the sand core. The heat is reduced and transferred to the handle 2 through the heat insulation cavity 23 inside. With the sliding cooperation of the sliding plate 9 and the sliding groove 8, and the sliding cooperation of the auxiliary sliding groove 16 and the auxiliary sliding plate 17, the appropriate position of the adjustment hole 10 is selected. The positioning rod 12 is inserted into the positioning hole 11 and the adjustment hole 10. The position of the base 13 is adjusted so that its top is lower than the bottom of the sand core. Then, the adjustment screw 6 is rotated. With the threaded cooperation of the adjustment screw 6 and the adjustment slider 5, the position of the adjustment slider 5 in the adjustment groove 4 is adjusted, thereby driving the clamping plate 7 to move, so that the positioning plate 20 and the side of the sand core are in tight contact. With the cooperation of the spring 19 and the tooth groove 21, it is positioned. The operator only needs to hold the handle to move the sand core without having to apply external force with the fingers to fix it, which facilitates the movement of the sand core. At the same time, the setting of the base 13 further improves the safety of the sand core when it is taken out and moved.
[0032] In this embodiment of the utility model, by setting up a heat insulation plate 22, a heat insulation cavity 23, and an opening 24, the triangular top plate 1 is placed on the top of the sand core, so that the heat insulation plate 22 and the top of the sand core are in contact, and the heat is reduced to the handle 2 through the heat insulation cavity 23 inside; by setting up an auxiliary sliding groove 16 and an auxiliary sliding plate 17, the auxiliary sliding plate 9 moves under the sliding cooperation of the auxiliary sliding groove 16 and the auxiliary sliding plate 17; by setting up a spring 19, a positioning plate 20, and a toothed groove 21, when the clamping plate 7 moves, the positioning plate 20 is in close contact with the side of the sand core, and the positioning is assisted by the cooperation of the spring 19 and the toothed groove 21.
[0033] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A core-taking fixture for a sand core mold, comprising a triangular top plate (1), characterized in that: A handle (2) is installed at the center of the top of the triangular top plate (1). Three sets of adjustment plates (3) are fixed on the side of the triangular top plate (1). An adjustment groove (4) is opened at the center of the bottom of the adjustment plate (3). An adjustment slider (5) slides in the adjustment groove (4). An adjustment screw (6) is threaded through the side of the adjustment slider (5). The two ends of the adjustment screw (6) are rotated through the two sides of the adjustment plate (3). A clamping plate (7) is fixed at the bottom of the adjustment slider (5). A sliding groove (8) is opened at the center of the bottom of the clamping plate (7). A sliding plate (9) slides in the sliding groove (8). An adjustment hole (10) is opened on the side of the sliding groove (8). A positioning hole (11) is opened on the side of the sliding plate (9). A positioning rod (12) is inserted into the positioning hole (11) and the adjustment hole (10). A base support (13) is fixed at the bottom of the sliding plate (9).
2. The core-taking fixture for a sand core mold according to claim 1, characterized in that, The horizontal cross section of the triangular top plate (1) is an equilateral triangle. The side of the adjustment plate (3) is provided with a connecting groove (14). The triangular top plate (1) is threadedly fixed in the connecting groove (14). The clamping plate (7) is threadedly fixed to the bottom of the adjustment slider (5).
3. The core-taking fixture for a sand core mold according to claim 2, characterized in that, The adjusting slide (4) is provided through both sides of the adjusting plate (3), and the two ends of the adjusting slide (4) are provided with blocking blocks (15), which are threadedly fixed to both sides of the adjusting plate (3).
4. The core-taking fixture for a sand core mold according to claim 3, characterized in that, The sliding groove (8) has symmetrical auxiliary sliding grooves (16) on both sides, and the sliding plate (9) has an auxiliary sliding plate (17) fixed on its side. The positioning hole (11) passes through the auxiliary sliding plate (17) and the sliding plate (9).
5. The core-taking fixture for a sand core mold according to claim 4, characterized in that, The auxiliary slide (16) is provided through the bottom end of the clamping plate (7), and the auxiliary slide (16), the auxiliary slide plate (17) and the sliding plate (9) have the same length.
6. The core-taking fixture for a sand core mold according to claim 5, characterized in that, The clamping plate (7) has central columns (18) fixed at equal intervals on its side, and springs (19) are provided on the side of the central columns (18). A positioning plate (20) is fixed to the top of the springs (19).
7. The core-taking fixture for a sand core mold according to claim 6, characterized in that, The length of the positioning plate (20) is equal to the length of the clamping plate (7), and the sides are provided with equally spaced toothed grooves (21).
8. The core-taking fixture for a sand core mold according to claim 7, characterized in that, The bottom end of the triangular top plate (1) is threaded with a heat insulation plate (22), and a heat insulation cavity (23) is provided inside the heat insulation plate (22). An opening (24) is provided on the side of the heat insulation plate (22), and the opening (24) and the heat insulation cavity (23) are connected.