Auxiliary sand box position adjusting system

Abstract

The utility model provides an auxiliary sand box position adjusting system and relates to the technical field of molding machines. The device comprises an upper rack, an auxiliary sand box and a double-outlet-rod oil cylinder assembly, the double-outlet-rod oil cylinder assembly is connected to the upper rack, the auxiliary sand box is connected with the double-outlet-rod oil cylinder assembly, the double-outlet-rod oil cylinder assembly can drive the auxiliary sand box to move relative to the upper rack, and the double-outlet-rod oil cylinder assembly can integrate an oil cylinder structure and a guide structure. The auxiliary sand box is driven to move, meanwhile, the guiding effect is achieved, the structure is simple, the performance is stable, influences of the environment and external force are avoided, the service life is prolonged, the auxiliary sand box can ascend and descend under driving of the double-outlet-rod oil cylinder assembly, and therefore the relative position of the auxiliary sand box can be adjusted according to different product requirements, and the production efficiency is improved. And the sand amount is adjustable.

Description

Technical Field

[0001] The utility model relates to the technical field of molding machines, in particular to an auxiliary sand box position adjustment system. Background Art

[0002] The auxiliary sand box is an important component of the molding machine. During the operation of the molding machine, the relative position of the auxiliary sand box needs to be adjusted according to different product requirements to achieve adjustable sand volume.

[0003] The applicant has discovered that there are at least the following technical problems in the prior art: when the auxiliary sand box moves relatively, it needs to be powered by a corresponding cylinder structure, and also needs a corresponding guide structure for guidance to avoid deviation. The cylinder structure and the guide structure are set separately, resulting in a more complex overall structure and a higher production cost. Utility Model Content

[0004] The purpose of the utility model is to provide an auxiliary sand box position adjustment system to solve the technical problem that the oil cylinder structure and the guide structure are separately provided in the prior art, resulting in a relatively complex overall structure. The preferred technical solution among the many technical solutions provided by the utility model can produce many technical effects as described below.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An auxiliary sand box position adjustment system comprises an upper frame, an auxiliary sand box and a double-rod cylinder assembly, wherein the double-rod cylinder assembly is connected to the upper frame, the auxiliary sand box is connected to the double-rod cylinder assembly, and the double-rod cylinder assembly can drive the auxiliary sand box to move relative to the upper frame.

[0007] Preferably, the double-rod cylinder assembly includes a guide cylinder body and a piston rod, the guide cylinder body is connected to the upper frame, the upper frame is provided with an opening for the piston rod to pass through, the piston rod is movably connected to the guide cylinder body and connected to the auxiliary sand box, and the guide cylinder body can guide and position the piston rod.

[0008] Preferably, the guide cylinder body comprises a cylinder head, a cylinder barrel, a cylinder tail and a tail barrel which are connected in sequence, the cylinder head is connected to the upper frame, and the cylinder head and the cylinder tail can guide and position the piston rod.

[0009] Preferably, the piston rod comprises a rod body and an extension rod, the rod body is in contact with the cylinder head and the cylinder tail, the rod body is connected to one end of the extension rod, and the other end of the extension rod is connected to the auxiliary sand box.

[0010] Preferably, it further comprises a sensor unit, and the sensor unit is respectively arranged on the guide cylinder and the piston rod.

[0011] Preferably, the sensor unit is a magnetostrictive sensor.

[0012] Preferably, a flange structure is provided at the bottom of the cylinder head and a flange connection is formed with the upper frame through the flange structure.

[0013] Preferably, the inner wall of the cylinder head and the inner wall of the cylinder tail are both provided with guide rings and are in contact with the piston rod through the guide rings.

[0014] Preferably, the rod body is threadedly connected to the extension rod and is fastened by a locking nut.

[0015] Preferably, it also includes a sand storehouse and a compaction support frame, wherein the sand storehouse is connected to the top of the upper frame, and the compaction support frame is connected to the bottom of the upper frame.

[0016] The beneficial effects of the utility model are as follows: the double-rod oil cylinder assembly can integrate the oil cylinder structure and the guide structure into one, and plays a guiding role while driving the auxiliary sand box to move, has a simple structure, stable performance, is not affected by the environment and external forces, and has a prolonged service life;

[0017] The auxiliary sand box can rise and fall under the drive of the double-rod cylinder assembly, so that the relative position of the auxiliary sand box can be adjusted according to different product requirements to achieve adjustable sand volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a side structural diagram of the utility model;

[0020] Figure 2 This is a front view structural diagram of the utility model;

[0021] Figure 3 It is a cross-sectional structural diagram of the double-rod oil cylinder assembly of the utility model;

[0022] In the figure, 1, upper rack;

[0023] 2. Auxiliary sand box;

[0024] 3. Double-rod oil cylinder assembly; 31. Guide cylinder body; 311. Cylinder head; 312. Cylinder barrel; 313. Cylinder tail; 314. Tail barrel; 32. Piston rod; 321. Rod body; 322. Extension rod; 33. Sensor unit;

[0025] 4. Sand storage;

[0026] 5. Compact the support frame. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0028] In the description of the present invention, it should be understood that the terms "center", "lateral", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "side" and the like indicate positions or location relationships based on the attached Figure 1 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0030] Reference Figures 1 to 3 The utility model provides an auxiliary sand box position adjustment system, including an upper frame 1, an auxiliary sand box 2 and a double-rod cylinder assembly 3, the double-rod cylinder assembly 3 is connected to the upper frame 1, the auxiliary sand box 2 is connected to the double-rod cylinder assembly 3, and the double-rod cylinder assembly 3 can drive the auxiliary sand box 2 to move relative to the upper frame 1.

[0031] The double-rod oil cylinder assembly 3 can integrate the oil cylinder structure and the guide structure into one, and can play a guiding role while driving the auxiliary sand box 2 to move. It has a simple structure, stable performance, is not affected by the environment and external forces, and has a long service life.

[0032] Moreover, the arrangement of the plug cavity with a rod in the oil cylinder also reduces the area of ​​the plug cavity. When a large force is not required, the flow rate of the oil cylinder also becomes smaller, and the speed of the oil cylinder is increased when the motor and the pump remain unchanged.

[0033] The auxiliary sand box 2 can be driven by the double-rod oil cylinder assembly 3 to rise and fall, so that the relative position of the auxiliary sand box 2 can be adjusted according to different product requirements to achieve adjustable sand quantity.

[0034] As an optional implementation, the double-rod cylinder assembly 3 includes a guide cylinder body 31 and a piston rod 32. The guide cylinder body 31 is connected to the upper frame 1. The upper frame 1 is provided with an opening for the piston rod 32 to pass through. The piston rod 32 is movably connected to the guide cylinder body 31 and is connected to the auxiliary sand box 2. The piston rod 32 can drive the auxiliary sand box 2 to move relative to the guide cylinder body 31. The guide cylinder body 31 can guide and position the piston rod 32 to reduce the deviation of the piston rod 32, integrate the cylinder structure and the guide structure into one, make the overall structure simpler, and have stable performance.

[0035] As an optional embodiment, the guide cylinder body 31 includes a cylinder head 311, a cylinder barrel 312, a cylinder tail 313 and a tail barrel 314 connected in sequence. The above connection is preferably a detachable connection to facilitate disassembly and assembly. The cylinder head 311 is connected to the upper frame 1. With this arrangement, the guide cylinder body 31 is located above the upper frame 1 as a whole and has sufficient installation space. Since the cylinder barrel 312 is provided between the cylinder head 311 and the cylinder tail 313, there is a certain distance between them. The cylinder head 311 and the cylinder tail 313 can guide and position the piston rod 32.

[0036] As an optional embodiment, the piston rod 32 includes a rod body 321 and an extension rod 322, the rod body 321 is in contact with the cylinder head 311 and the cylinder tail 313, the rod body 321 is connected to one end of the extension rod 322, and the other end of the extension rod 322 is connected to the auxiliary sand box 2;

[0037] In this embodiment, the rod body 321 and the extension rod 322 are preferably connected by threaded connection, and a locking nut can be added to form a fastening between the rod body 321 and the extension rod 322 to ensure the connection effect between them;

[0038] In fact, when the length of the rod body 321 meets the requirement, there is no need to lengthen the rod 322 , and the rod body 321 can be used alone to connect with the auxiliary flask 2 .

[0039] As an optional embodiment, it further includes a sensor unit 33, which is respectively arranged on the guide cylinder 31 and the piston rod 32, and the sensor unit 33 can detect the moving position of the piston rod 32;

[0040] In this embodiment, the sensor unit 33 is preferably a magnetostrictive sensor. By arranging a magnetic ring and a magnetic isolation ring on the piston rod 32 and arranging the main body of the magnetostrictive sensor on the guide cylinder 31, when the piston rod 32 moves, the magnetostrictive sensor can accurately detect its moving position and then transmit the signal to the main controller of the molding machine.

[0041] As an optional implementation, a flange structure is provided at the bottom of the cylinder head 311 and a flange connection is formed with the upper frame 1 through the flange structure. The flange connection has good connection strength and is convenient for assembly and disassembly.

[0042] As an optional implementation, the inner wall of the cylinder head 311 and the inner wall of the cylinder tail 313 are both provided with guide rings and are in contact with the piston rod 32 through the guide rings. The guide rings can reduce the friction between the inner wall of the cylinder head 311 and the inner wall of the cylinder tail 313 and the outer wall of the piston rod 32, making the movement of the piston rod 32 smoother.

[0043] As an optional embodiment, it also includes a sand storehouse 4 and a compaction support frame 5, the sand storehouse 4 is connected to the top of the upper frame 1, and the compaction support frame 5 is connected to the bottom of the upper frame 1;

[0044] In this embodiment, the number of the double-rod cylinder assemblies 3 is preferably four, and the four groups of double-rod cylinder assemblies 3 are symmetrically arranged.

[0045] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited to them. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An auxiliary sand box position adjustment system, characterized in that: The invention comprises an upper frame (1), an auxiliary sand box (2) and a double-rod oil cylinder assembly (3); the double-rod oil cylinder assembly (3) is connected to the upper frame (1); the auxiliary sand box (2) is connected to the double-rod oil cylinder assembly (3); and the double-rod oil cylinder assembly (3) can drive the auxiliary sand box (2) to move relative to the upper frame (1).

2. The auxiliary sand box position adjustment system according to claim 1, characterized in that: The double-rod oil cylinder assembly (3) comprises a guide cylinder body (31) and a piston rod (32); the guide cylinder body (31) is connected to the upper frame (1); an opening is provided on the upper frame (1) for the piston rod (32) to pass through; the piston rod (32) is movably connected to the guide cylinder body (31) and is connected to the auxiliary sand box (2); the guide cylinder body (31) can guide and position the piston rod (32).

3. The auxiliary sand box position adjustment system according to claim 2, characterized in that: The guide cylinder body (31) comprises a cylinder head (311), a cylinder barrel (312), a cylinder tail (313) and a tail barrel (314) which are connected in sequence; the cylinder head (311) is connected to the upper frame (1); and the cylinder head (311) and the cylinder tail (313) can guide and position the piston rod (32).

4. The auxiliary sand box position adjustment system according to claim 3, characterized in that: The piston rod (32) includes a rod body (321) and an extension rod (322), the rod body (321) is in contact with the cylinder head (311) and the cylinder tail (313), the rod body (321) is connected to one end of the extension rod (322), and the other end of the extension rod (322) is connected to the auxiliary sand box (2).

5. The auxiliary sand box position adjustment system according to claim 2, characterized in that: It also includes a sensor unit (33), which is respectively arranged on the guide cylinder (31) and the piston rod (32).

6. The auxiliary sand box position adjustment system according to claim 5, characterized in that: The sensor unit (33) is a magnetostrictive sensor.

7. The auxiliary sand box position adjustment system according to claim 3, characterized in that: The bottom of the cylinder head (311) is provided with a flange structure and is flange-connected to the upper frame (1) via the flange structure.

8. The auxiliary sand box position adjustment system according to claim 3, characterized in that: The inner wall of the cylinder head (311) and the inner wall of the cylinder tail (313) are both provided with guide rings and are in contact with the piston rod (32) through the guide rings.

9. The auxiliary sand box position adjustment system according to claim 4, characterized in that: The rod body (321) is threadedly connected to the extension rod (322) and is fastened by a locking nut.

10. The auxiliary flask position adjustment system according to claim 1, characterized in that: It also comprises a sand storehouse (4) and a compaction support frame (5), wherein the sand storehouse (4) is connected to the top of the upper frame (1), and the compaction support frame (5) is connected to the bottom of the upper frame (1).

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