Plug pin device of isostatic pressing graphite die-casting die

Abstract

The utility model belongs to the field of isostatic pressing graphite processing, and discloses an isostatic pressing graphite die-casting die plug pin device which comprises a supporting frame. The guide rod is movably connected to the supporting frame; the die bolt assembly comprises a die bolt used in cooperation with the isostatic pressing graphite die-casting die, a finger air cylinder connected with the die bolt and a stroke air cylinder driving the die bolt, the finger air cylinder and the guide rod to do telescopic motion together. When the finger cylinder is in a closed state, the die bolt is clamped, the stroke cylinder extends out, the die bolt locks the die and the pressure head of the die-casting machine, and during demolding, the finger cylinder loosens the die bolt, the die bolt is separated from the finger cylinder, and the die bolt moves up and down along with the die. The plug pin device of the isostatic pressing graphite die-casting die is simple in structure and good in demolding effect.

Description

Technical Field

[0001] The utility model belongs to the field of isostatic graphite processing, in particular to an isostatic graphite die-casting die latch device. Background Art

[0002] With the development of the carbon rod and carbon block production industry, high labor costs and safety issues are becoming increasingly pressing issues. The existing process for heavy carbon block production involves manually pulling a latch to lock the die-casting machine's ram and mold. This then lifts the punch, which in turn lifts the mold for demolding. This long-standing operating model has two drawbacks: the first is the inefficiency of requiring dedicated personnel to man the die-casting machine's unloading station; the second is the high dust levels near the feed port during manual operation, posing a safety risk.

[0003] CN217574232U discloses a self-priming isostatic pressing mold, comprising a mold body, a lower rubber sleeve, an upper rubber sleeve, an isolation pad, a sealing clamp, a lower rubber sleeve vacuum tube, a movable bottom plate, an upper rubber sleeve vacuum tube, and an outer shell. The outer shell is mounted on the outside of the mold body, so that it is integrated with the mold body. A cavity is formed between the outer shell and the side wall of the mold body. The outer shell has a lower rubber sleeve vacuum tube. The lower rubber sleeve is sleeved inside the mold body, and the upper part is turned outward and sleeved on the upper edge of the mold body. The middle part of the upper rubber sleeve is connected to the upper rubber sleeve vacuum tube, and the bottom of the upper rubber sleeve is installed with an isolation pad. The bottom of the isolation pad is powdered. The side of the lower rubber sleeve is connected to the lower rubber sleeve vacuum tube. This device has very high requirements for the vacuum device and is prone to unsuccessful demoulding. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies and defects mentioned in the above background technology and provide an isostatic graphite die-casting mold latch device with a simple structure and good demoulding effect.

[0005] In order to solve the above technical problems, the technical solution proposed by the present invention is: an isostatic graphite die-casting mold latch device, comprising:

[0006] Support frame;

[0007] A guide rod movably connected to the support frame;

[0008] The mold latch assembly includes a mold latch used in conjunction with the isostatic graphite die-casting mold, a finger cylinder connected to the mold latch, and a stroke cylinder that drives the mold latch, finger cylinder and guide rod to move telescopically together; wherein, when the finger cylinder is in a closed state, the mold latch is clamped, and when the stroke cylinder is extended, the mold latch locks the mold and the die-casting machine pressure head. When demolding, the finger cylinder releases the mold latch, the mold latch detaches from the finger cylinder, and the mold latch moves up and down with the mold.

[0009] In one embodiment, the finger cylinder includes a first finger and a second finger, and a clamping head is provided at the end of the mold pin. The clamping or releasing of the finger cylinder is achieved by moving the first finger and the second finger closer to or farther away from each other.

[0010] In one embodiment, the clamping head is spherical.

[0011] In one embodiment, the stroke of the stroke cylinder is 300 mm and the cylinder diameter is 50 mm.

[0012] In one embodiment, the support frame includes a lower base and an upper base, two parallel columns fixed on the lower base and the upper base, and a guide rod connected to the upper base.

[0013] In one embodiment, there are two guide rods, each of which is connected to the upper base via a linear bearing.

[0014] In one embodiment, the mold latch assembly includes a push plate disposed on one end of the finger cylinder close to the stroke cylinder, and the two guide rods and the stroke cylinder are connected to the push plate.

[0015] In one embodiment, the support frames are all steel components.

[0016] In one embodiment, two column fixing seats are provided on the lower base, which are respectively used to fix the two columns on the lower base.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: the isostatic graphite die-casting mold latch device of the present application, the mold latch assembly includes a mold latch used in conjunction with the die-casting mold, the mold latch is controlled by the connected finger cylinder and the stroke cylinder, the finger cylinder is in a closed state, the mold latch is clamped, the stroke cylinder is extended, the mold latch locks the mold and the die-casting machine pressure, when demolding, the finger cylinder and the mold latch are released, the stroke cylinder drives the finger cylinder to retract, and the mold latch moves up and down with the mold, the entire operation is simple and convenient, and fully automatic operation is achieved with low cost. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 1 The present invention is a schematic structural diagram of an isostatic graphite die-casting mold latch device according to one embodiment. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present invention, the present invention will be described in more comprehensive and detailed manner below in conjunction with the accompanying drawings and preferred embodiments of the specification, but the protection scope of the present invention is not limited to the following specific embodiments.

[0021] Unless otherwise defined, all technical terms used hereinafter have the same meanings as those generally understood by those skilled in the art. The technical terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the scope of protection of the present invention.

[0022] Unless otherwise specified, various raw materials, reagents, instruments and equipment used in the present invention can be purchased from the market or prepared by existing methods.

[0023] See also Figure 1 A latch device for an isostatic graphite die-casting mold comprises: a support frame 10, a guide rod 20 and a mold latch assembly. The guide rod 20 is movably connected to the support frame 10. The mold latch assembly comprises a mold latch 30 used in conjunction with the isostatic graphite die-casting mold, a finger cylinder 40 connected to the mold latch 30, and a stroke cylinder 50 that drives the mold latch 30, the finger cylinder 40 and the guide rod 20 to move telescopically together; wherein, when the finger cylinder 40 is in a closed state, the mold latch 30 is clamped, and when the stroke cylinder 50 is extended, the mold latch 30 locks the mold and the die-casting machine pressure head. When demolding, the finger cylinder 40 releases the mold latch 30, the mold latch 30 is separated from the finger cylinder 40, and the mold latch 30 moves up and down with the mold.

[0024] The isostatic graphite die-casting mold latch device of the present application includes a mold latch assembly including a mold latch 30 used in conjunction with the die-casting mold. The mold latch 30 is controlled by the connected finger cylinder 40 and the stroke cylinder 50. When the finger cylinder 40 is in a closed state, the mold latch 30 is clamped, and the stroke cylinder 50 is extended, and the mold latch 30 locks the mold and the die-casting machine pressure. When demolding, the finger cylinder 40 and the mold latch 30 are released, and the stroke cylinder 50 drives the finger cylinder 40 to retract, and the mold latch 30 moves up and down with the mold. The entire operation is simple and convenient, and fully automatic operation is achieved with low cost.

[0025] Specifically, in one embodiment, the support frame 10 includes a lower base 11, an upper base 12, and columns 13. The columns are fixed to the lower base 11 and the upper base 12, and there are two columns 13, which are arranged parallel to the lower base 11 and the upper base 12. The guide rod 20 is connected to the upper base 12. Preferably, the support frame is all steel components, with a stable and reliable structure. Two column fixing seats 14 are provided on the lower base 11, respectively, for more stably fixing the two columns 13 to the lower base 11.

[0026] Preferably, in one embodiment, two guide rods 20 are provided, each connected to the upper base 12 via a linear bearing 22. The mold latch assembly further includes a push plate 60 disposed at one end of the finger cylinder 40 near the stroke cylinder 50. Both the guide rods 20 and the stroke cylinder 50 are connected to the push plate 60. By connecting both the guide rods 20 and the stroke cylinder 50 to the push plate 60 and then to the finger cylinder 40, smoother control of the operation of the finger cylinder 40 can be achieved.

[0027] Specifically, in one embodiment, the end of the mold latch 30 is provided with a clamping head 32, and the finger cylinder 40 includes a first finger 41 and a second finger 42. The finger cylinder 40 clamps or releases the clamping head 32 of the mold latch 30 by moving the first finger 41 and the second finger 42 closer or farther away from each other. Specifically, when the first finger 41 and the second finger 42 approach each other, they clamp the clamping head 32. The stroke cylinder 50 is then extended, and the mold latch 30 is inserted into the mold receptacle, compressing the mold and the die-casting machine. When the first finger 41 and the second finger 42 move away from each other, the clamping head 32 is released, and the stroke cylinder 50 is retracted. The mold latch 30 remains in the mold receptacle and moves up and down with the mold, achieving demolding. In one embodiment, the stroke cylinder preferably has a stroke of 300 mm and a cylinder diameter of 50 mm.

[0028] Compared with the prior art, the present invention has the following beneficial effects: the isostatic graphite die-casting mold latch device of the present application comprises a mold latch assembly including a mold latch 30 for use with the die-casting mold. The mold latch 30 is controlled by a connected finger cylinder 40 and a stroke cylinder 50. When the finger cylinder 40 is in a closed state, the mold latch 30 is clamped. When the stroke cylinder 50 is extended, the mold latch 30 locks the mold and the die-casting machine. During demolding, the finger cylinder 40 and the mold latch 30 are released, and the stroke cylinder 50 drives the finger cylinder 40 to retract, and the mold latch 30 moves up and down with the mold. The entire operation is simple and convenient, achieving fully automatic operation at a low cost. By connecting two guide pillars 20 and the stroke cylinder 50 to the push plate 60, the finger cylinder 40 can be more smoothly controlled to accurately clamp or release the mold latch 30.

Claims

1. An isostatic graphite die-casting mold latch device, characterized in that: include: Support frame; A guide rod movably connected to the support frame; The mold latch assembly includes a mold latch used in conjunction with the isostatic graphite die-casting mold, a finger cylinder connected to the mold latch, and a stroke cylinder that drives the mold latch, finger cylinder and guide rod to move telescopically together; wherein, when the finger cylinder is in a closed state, the mold latch is clamped, and when the stroke cylinder is extended, the mold latch locks the mold and the die-casting machine pressure head. When demolding, the finger cylinder releases the mold latch, the mold latch detaches from the finger cylinder, and the mold latch moves up and down with the mold.

2. The isostatic graphite die-casting mold latch device according to claim 1, characterized in that: The finger cylinder includes a first finger and a second finger. The end of the mold pin is provided with a clamping head. The clamping or releasing of the finger cylinder is achieved by the first finger and the second finger moving closer to or farther away from each other.

3. The isostatic graphite die-casting mold latch device according to claim 2, characterized in that: The clamping head is spherical.

4. The isostatic graphite die-casting mold latch device according to claim 1, characterized in that: The stroke of the stroke cylinder is 300 mm and the cylinder diameter is 50 mm.

5. The isostatic graphite die-casting mold latch device according to claim 1, characterized in that: The support frame comprises a lower base and an upper base, two parallel uprights fixed on the lower base and the upper base, and a guide rod connected to the upper base.

6. The isostatic graphite die-casting mold latch device according to claim 5, characterized in that: There are two guide rods, which are respectively connected to the upper base through linear bearings.

7. The isostatic graphite die-casting mold latch device according to claim 1, characterized in that: The mold latch assembly comprises a push plate which is arranged on one end of the finger cylinder close to the stroke cylinder, and the two guide rods and the stroke cylinder are all connected to the push plate.

8. The isostatic graphite die-casting mold latch device according to claim 1, characterized in that: The support frames are all steel components.

9. The isostatic graphite die-casting mold latch device according to claim 5, characterized in that: The lower base is provided with two column fixing seats, which are respectively used to fix the two columns on the lower base.

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