Lifting appliance convenient to clamp and used for casting sand core

Abstract

The utility model discloses a casting sand core lifting appliance convenient to clamp, which comprises a base, a lifting ring is fixed above the base, and an internal clamping groove of the lifting ring is connected with a lifting chain; a clamping mechanism is arranged in the base and comprises a left connecting plate, a right connecting plate, a left connecting rod, a hydraulic rod, a right connecting rod and clamping plates, the left connecting plate and the right connecting plate are connected in a meshed mode, and the clamping plates are distributed in a bilateral symmetry mode; a distance adjusting mechanism is arranged on the rear side of the base and comprises a first limiting plate, an adjusting wheel and a second limiting plate, the first limiting plate and the second limiting plate are both connected with the adjusting wheel and the connecting wheel in a meshed mode, and the rotating direction of the adjusting wheel is opposite to that of the connecting wheel. According to the casting sand core lifting appliance convenient to clamp, the clamping position of the lifting appliance can be conveniently adjusted according to the size and model of a casting sand core, different sand cores can be flexibly applied, operation is easy and rapid, and the structure is stable and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of casting sand cores, in particular to a hanging device for casting sand cores which is convenient for clamping. Background Art

[0002] Casting is a production method that pours molten metal into a mold to form an object. Casting sand cores are often used to form the cavity of the workpiece. The casting sand cores need to be hoisted into the mold using a hoist. There are many types of hoists for casting sand cores on the market that are easy to clamp, but there are still some disadvantages;

[0003] For example, it is inconvenient to clamp and adjust according to the size and model of the casting sand core. The clamping position of the hanger is fixed and the flexibility is insufficient. Different models of sand cores require different hangers. Therefore, we propose a hanger for casting sand cores that is easy to clamp in order to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a hanger for casting sand cores that is easy to clamp, so as to solve the problems raised in the above background technology that the current hangers for casting sand cores are inconvenient to clamp, inconvenient to adjust according to the size and model of the casting sand cores, the clamping position of the hanger is fixed, the flexibility is insufficient, and different models of sand cores require different hangers.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a hanger for casting sand cores that is easy to clamp, comprising:

[0006] A base, wherein a lifting ring is fixed on the top of the base, and a lifting chain is connected to the inner slot of the lifting ring;

[0007] Also includes:

[0008] A clamping mechanism is arranged inside the base, wherein the clamping mechanism comprises a left connecting plate, a right connecting plate, a left connecting rod, a hydraulic rod, a right connecting rod and a clamping plate, wherein the left connecting plate and the right connecting plate are meshed and connected, and the clamping plates are symmetrically distributed on the left and right sides;

[0009] A spacing adjustment mechanism is arranged on the rear side of the base, wherein the spacing adjustment mechanism comprises a first limit plate, an adjustment wheel and a second limit plate, wherein the first limit plate and the second limit plate are both meshedly connected with the adjustment wheel and the connecting wheel, and the rotation directions of the adjustment wheel and the connecting wheel are opposite.

[0010] Preferably, a left connecting plate is rotatably connected to the upper left portion of the base, and a right connecting plate is rotatably connected to the upper right portion of the base.

[0011] Preferably, a left connecting rod is fixed to the left end of the left connecting plate, and a right connecting rod is fixed to the right end of the right connecting plate.

[0012] Preferably, a hydraulic rod is installed between the left connecting rod and the right connecting rod, and the left end of the hydraulic rod is rotatably connected to the left connecting rod, and the right end of the hydraulic rod is rotatably connected to the right connecting rod.

[0013] Preferably, the lower ends of the left connecting rod and the right connecting rod are both integrally provided with a connecting frame, and the internal slot of the connecting frame is connected to a connecting block, a clamping plate is fixed to the rear side of the connecting block, and the clamping plate and the limiting groove are slidably connected, and the limiting groove is welded below the base.

[0014] Preferably, a second limiting plate is fixed to the rear side of the base, an adjusting wheel is installed on the left side of the second limiting plate, a connecting wheel is installed on the right side of the second limiting plate, and the internal slot of the second limiting plate is connected to the first limiting plate.

[0015] Preferably, pulleys are fixed above the adjusting wheel and the connecting wheel, and a belt body is tightly fitted to the outer side of the pulley, wherein the cross section of the belt body is an "8"-shaped structure, and a motor is installed above the pulley.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the hanger for casting sand cores that is easy to clamp is convenient for adjusting the clamping position of the hanger according to the size and type of the casting sand cores, can flexibly apply different sand cores, is simple and fast to operate, and has a stable and reliable structure;

[0017] 1. A left connecting rod, a hydraulic rod and a right connecting rod are provided. The left connecting rod and the hydraulic rod are rotatably connected, and the hydraulic rod and the right connecting rod are rotatably connected. The hydraulic rod pushes the left connecting rod and the right connecting rod to rotate in the base, and the position of the clamping plate is adjusted. It is convenient to adjust the clamping position of the hanger according to the size and model of the casting sand core, and different sand cores can be flexibly applied;

[0018] 2. A left connecting plate, a right connecting plate and a clamping plate are provided. The left connecting plate and the right connecting plate are meshed and connected, and the connecting frame and the connecting block are slidably connected, which plays a driving and limiting role on the clamping plate. The operation is simple and fast, and the structure is stable and reliable;

[0019] 3. A first limit plate, an adjusting wheel and a second limit plate are provided, and the first limit plate and the second limit plate are meshed and connected with the adjusting wheel and the connecting wheel. The adjusting wheel rotates to drive the first limit plate and the second limit plate to move, and adjusts the distance between the bases, so as to facilitate the adjustment of the clamping position of the sling according to the size and model of the casting sand core. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of the clamping plate and the limiting groove connection of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the spacing adjustment mechanism of the utility model from top view;

[0023] Figure 4 It is a schematic diagram of the structure of the utility model from top view.

[0024] In the figure: 1. base; 2. lifting ring; 3. lifting chain; 4. left connecting plate; 5. right connecting plate; 6. left connecting rod; 7. hydraulic rod; 8. right connecting rod; 9. connecting frame; 10. connecting block; 11. clamping plate; 12. limiting groove; 13. first limiting plate; 14. adjusting wheel; 15. second limiting plate; 16. connecting wheel; 17. pulley; 18. belt body; 19. motor. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-4 The utility model provides a technical solution: a hanging device for casting sand cores that is easy to clamp, comprising: a base 1, a lifting ring 2, a lifting chain 3, a left connecting plate 4, a right connecting plate 5, a left connecting rod 6, a hydraulic rod 7, a right connecting rod 8, a connecting frame 9, a connecting block 10, a clamping plate 11, a limiting groove 12, a first limiting plate 13, an adjusting wheel 14, a second limiting plate 15, a connecting wheel 16, a pulley 17, a belt body 18 and a motor 19;

[0027] First, as attached Figure 1 and attached Figure 4 As shown in the figure, the hydraulic rod 7 is opened, the left connecting plate 4, the right connecting plate 5, the left connecting rod 6, the hydraulic rod 7, the right connecting rod 8 and the clamping plate 11 are combined to form a clamping mechanism to clamp and fix the casting sand core, and the lifting ring 2 and the base 1 are hoisted by the lifting chain 3 to drive the base 1 to move, move the casting sand core to a suitable position and release it, and the first limit plate 13, the adjusting wheel 14 and the second limit plate 15 are combined to form a spacing adjustment mechanism, which can adjust the spacing of the base 1 symmetrically distributed front and back to adapt to different types of sand cores;

[0028] As attached Figure 1 and attached Figure 2As shown in , the hydraulic rod 7 is opened, the right end of the hydraulic rod 7 rotates on the right connecting rod 8, and the left end of the hydraulic rod 7 rotates on the left connecting rod 6. The hydraulic rod 7 pushes the left connecting rod 6 and the right connecting rod 8, so that the left connecting rod 6 and the left connecting plate 4 fixed at its upper end rotate in the base 1, and the right connecting rod 8 and the right connecting plate 5 fixed at its upper end rotate in the base 1. The left connecting plate 4 and the right connecting plate 5 are meshed and connected with each other to ensure the stability of the left connecting rod 6 and the right connecting rod 8. The left connecting rod 6 and the right connecting rod 8 drive the connecting frame 9 fixed at their lower ends to move, and the connecting frame 9 pushes the connecting block 10 connected to the internal card slot, so that the clamping plate 11 fixed at the rear end of the connecting block 10 slides in the limit groove 12 connected to the card slot, and the position of the clamping plate 11 symmetrically distributed on the left and right sides is adjusted. The clamping plate 11 clamps the casting sand core, which can effectively fix the sand core;

[0029] As attached Figure 3 and attached Figure 4 As shown in the figure, when it is necessary to adjust the spacing between the bases 1 symmetrically distributed front and back, turn on the motor 19, the motor 19 drives the pulley 17 installed on its output end to rotate, the pulley 17 drives the belt body 18 tightly fitted on its outer side to move, the belt body 18 with an "8"-shaped cross-section drives the pulleys 17 symmetrically distributed on the left and right to rotate at the same time, the pulley 17 drives the adjusting wheel 14 and the connecting wheel 16 fixed below to rotate in the opposite direction, the adjusting wheel 14 and the connecting wheel 16 drive the first limit plate 13 and the second limit plate 15 meshingly connected on their outer sides to move, the first limit plate 13 and the second limit plate 15 drive the base 1 fixed thereto to move, and adjust the spacing between the two bases 1, thereby adjusting the clamping position.

[0030] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the records in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hanging device for casting sand cores that is easy to clamp, comprising: A base (1), a lifting ring (2) being fixed on the top of the base (1), and a lifting chain (3) being connected to an inner slot of the lifting ring (2); It is characterized by further comprising: A clamping mechanism is arranged inside the base (1), wherein the clamping mechanism comprises a left connecting plate (4), a right connecting plate (5), a left connecting rod (6), a hydraulic rod (7), a right connecting rod (8) and a clamping plate (11), wherein the left connecting plate (4) and the right connecting plate (5) are meshedly connected, and the clamping plates (11) are symmetrically distributed on the left and right sides; A spacing adjustment mechanism is arranged on the rear side of the base (1), wherein the spacing adjustment mechanism comprises a first limiting plate (13), an adjusting wheel (14) and a second limiting plate (15), wherein the first limiting plate (13) and the second limiting plate (15) are both meshedly connected with the adjusting wheel (14) and the connecting wheel (16), and the adjusting wheel (14) and the connecting wheel (16) rotate in opposite directions.

2. The hanging device for casting sand cores that is easy to clamp according to claim 1, characterized in that: A left connecting plate (4) is rotatably connected to the upper left of the interior of the base (1), and a right connecting plate (5) is rotatably connected to the upper right of the interior of the base (1).

3. The hanging device for casting sand cores that is easy to clamp according to claim 2, characterized in that: A left connecting rod (6) is fixed to the left end of the left connecting plate (4), and a right connecting rod (8) is fixed to the right end of the right connecting plate (5).

4. The hanging device for casting sand cores that is easy to clamp according to claim 3, characterized in that: A hydraulic rod (7) is installed between the left connecting rod (6) and the right connecting rod (8), and the left end of the hydraulic rod (7) is rotationally connected to the left connecting rod (6), and the right end of the hydraulic rod (7) is rotationally connected to the right connecting rod (8).

5. The hanging device for casting sand cores that is easy to clamp according to claim 3, characterized in that: The lower ends of the left connecting rod (6) and the right connecting rod (8) are both integrally provided with a connecting frame (9), and the internal slot of the connecting frame (9) is connected to a connecting block (10), a clamping plate (11) is fixed to the rear side of the connecting block (10), and the clamping plate (11) and the limiting groove (12) are slidably connected, and the limiting groove (12) is welded below the base (1).

6. The hanging device for casting sand cores that is easy to clamp according to claim 1, characterized in that: A second limiting plate (15) is fixed to the rear side of the base (1), and an adjusting wheel (14) is installed on the left side of the second limiting plate (15), a connecting wheel (16) is installed on the right side of the second limiting plate (15), and the internal slot of the second limiting plate (15) is connected to the first limiting plate (13).

7. The hanging device for casting sand cores that is easy to clamp according to claim 6, characterized in that: A pulley (17) is fixed above the adjusting wheel (14) and the connecting wheel (16), and a belt body (18) is tightly fitted on the outer side of the pulley (17), wherein the cross section of the belt body (18) is in an "8"-shaped structure, and a motor (19) is installed above the pulley (17).

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