CN209698008U - A kind of easily changeable injection plunger of high intensity - Google Patents

Abstract

The utility model discloses a kind of easily changeable injection plungers of high intensity, including body, the left end of the body is connected with connector, and injection punch head laser cladding layers are coated on the inside of body, the inside of the injection punch head laser cladding layers, which is pasted, is connected with anti-corrosion layer, the inner wall of the body is fixedly installed with supporting block, and liner is fitted on the inside of supporting block, the inner wall right end position of the body is installed by welding with carrier block, cover board is fitted on the right side of the carrier block, and the left and right ends of cover board are run through and are equipped with screw rod, the outer surface of the body offers limiting slot, the outer surface of the liner is symmetrically welded with handle, and the outer surface of handle is intertwined and connected connecting rope, the left end of the liner and the inner wall of body fit closely.The easily changeable injection plunger of the high intensity is not only convenient for replacing the device, and increases the intensity of injection plunger, can also be to the effect that body cools.

Description

A kind of easily changeable injection plunger of high intensity

Technical field

The utility model relates to injection plunger technical field, specially a kind of easily changeable injection plunger of high intensity.

Background technique

Injection plunger is the consumptive material in die casting machine, because temperature is all very high in the environment of its work, and to be born biggish Surge, common injection plunger currently on the market are largely made using cast iron, and injection plunger and die casting cavity body cooperate, work Principle is similar to the push rod and syringe of syringe, and the aluminium alloy of fusing is pushed into die casting.

Currently used injection plunger is not only not easy to replace the device, but also the intensity of injection plunger is not high, also not It can be to the effect that body cools, therefore, it is proposed that a kind of easily changeable injection plunger of high intensity, above-mentioned in order to solve The problem of middle proposition.

Utility model content

The purpose of this utility model is to provide a kind of easily changeable injection plungers of high intensity, are mentioned with solving above-mentioned background technique Currently used injection plunger out is not only not easy to be replaced, but also the intensity of injection plunger is not high, cannot also be cold to body But the problem of effect to cool down.

To achieve the above object, the utility model provides the following technical solutions: a kind of easily changeable injection plunger of high intensity, packet Body is included, the left end of the body is connected with connector, and injection punch head laser cladding layers are coated on the inside of body, the pressure The inside for penetrating formed punch laser cladding layers, which is pasted, is connected with anti-corrosion layer, and the inner wall of the body is fixedly installed with supporting block, and props up Liner is fitted on the inside of bracer, the inner wall right end position of the body is installed by welding with carrier block, and carrier block is mounted on branch The right positions of bracer, are fitted with cover board on the right side of the carrier block, and the left and right ends of cover board are run through and are equipped with screw rod, institute The outer surface for stating body offers limiting slot, and the outer surface of the liner is symmetrically welded with handle, and the outer surface winding of handle It is connected with connecting rope, the left end of the liner and the inner wall of body fit closely.

Preferably, being integrally formed structure between the body and connector, and the inner surface of connector is shape of threads knot Structure.

Preferably, the hardness of the injection punch head laser cladding layers is greater than the hardness of body, and injection punch head laser cladding The thermal expansion coefficient of layer is equal to the thermal expansion coefficient of body, and the thickness of injection punch head laser cladding layers is less than anti-corrosion layer Thickness.

Preferably, the supporting block and the connection type of liner are to be connected together, and the vertical section shape of liner is in " U " Shape.

Preferably, the connection type of the carrier block and cover board is hinged, and cover board is fixedly installed by screw rod and liner.

Preferably, the vertical section shape of the limiting slot matches with the vertical section shape of body, and body, connector and The lateral central axes of liner are mutually overlapped.

Compared with prior art, the utility model has the beneficial effects that the easily changeable injection plunger of the high intensity is not only convenient for The device is replaced, and increases the intensity of injection plunger, it can also be to the effect that body cools；

1. can achieve the effect that cool to body using recirculated water, pass through drawing by the way that liner is arranged in body Dynamic connecting rope, convenient for taking out liner from the right end of body；

2. injection punch head laser cladding layers and body form metallurgical bonding, will not fall off, the left end of body is connected with connection Head, and the inner wall of connector be thread-like structure, dismantled convenient for the device and other rod pieces, consequently facilitating to the device into Row replacement；

3. being higher than the solder of limiting slot by being arranged in limiting slot, the intensity of injection plunger is increased, injection plunger is extended Service life, be not easy that it is made to be damaged.

Detailed description of the invention

Fig. 1 is the utility model front cutting structural schematic diagram；

Fig. 2 is the utility model positive structure diagram；

Fig. 3 is the utility model side cutting structural schematic diagram；

Fig. 4 is the utility model side structure schematic view；

Fig. 5 is enlarged structure schematic diagram at A in the utility model Fig. 1.

In figure: 1, body；2, connector；3, injection punch head laser cladding layers；4, anti-corrosion layer；5, supporting block；6, liner； 7, carrier block；8, cover board；9, screw rod；10, limiting slot；11, handle；12, connecting rope.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of easily changeable injection plunger of high intensity, including Body 1, connector 2, injection punch head laser cladding layers 3, anti-corrosion layer 4, supporting block 5, liner 6, carrier block 7, cover board 8, screw rod 9, limiting slot 10, handle 11 and connecting rope 12, the left end of body 1 is connected with connector 2, and the inside of body 1 is coated with injection Formed punch laser cladding layers 3, the hardness of injection punch head laser cladding layers 3 are greater than the hardness of body 1, and injection punch head laser cladding layers 3 thermal expansion coefficient is equal to the thermal expansion coefficient of body 1, and the thickness of injection punch head laser cladding layers 3 is less than anti-corrosion layer 4 Thickness, injection punch head laser cladding layers 3 will not be made to fall off, the insides of injection punch head laser cladding layers 3, which is pasted, is connected with corrosion resistant Layer 4 is lost, the inner wall of body 1 is fixedly installed with supporting block 5, and the inside of supporting block 5 is fitted with liner 6, body 1 and connector 2 Between being integrally formed structure, and the inner surface of connector 2 is thread-like structure, is consolidated convenient for connector 2 and other rod pieces Fixed, the inner wall right end position of body 1 is installed by welding with carrier block 7, and carrier block 7 is mounted on the right positions of supporting block 5, support The connection type of block 5 and liner 6 is to be connected together, and the vertical section shape of liner 6 is " U "-shaped, is easy to implement water by liner 6 Circulation, to cool down to body 1, the right side of carrier block 7 is fitted with cover board 8, and installation is run through in the left and right ends of cover board 8 There is a screw rod 9, the outer surface of body 1 offers limiting slot 10, and the outer surface of liner 6 is symmetrically welded with handle 11, and handle 11 Outer surface, which is intertwined and connected, connecting rope 12, and the left end of liner 6 and the inner wall of body 1 fit closely.

If the connection type of carrier block 7 and cover board 8 in Fig. 5 be hinged, and cover board 8 passes through screw rod 9 and liner 6 is fixed and set It sets, liner 6 is fixed by cover board 8 and screw rod 9.

As the vertical section shape of limiting slot 10 matches with the vertical section shape of body 1 in Fig. 1 and Fig. 2, and body 1, even The lateral central axes of connector 2 and liner 6 are mutually overlapped, and solder is added convenient for the inside to limiting slot 10.

Working principle: in injection plunger easily changeable using the high intensity, liner 6 is inserted into machine from the right end of body 1 The inner wall left position of body 1, and a kind of wear-resisting pressure that cools down that liner 6 uses Authorization Notice No. to provide for 204035508 U of CN The liner 6 proposed in head is penetrated, so that supporting block 5 and the outer wall of liner 6 fit closely, rotating plate 8, so that cover board 8 and liner 6 Outer surface fit closely, and screw rod 9 is applied in the right end of cover board 8 Yu liner 6, so that liner 6 be fixed, by Liner 6 is set in body 1, can achieve the effect that cool to body 1 using recirculated water, due to being arranged in limiting slot 10 Higher than the solder that limiting slot 10 is arranged, the intensity of injection plunger is increased, the service life of injection plunger, Fe base, Ni base, Co are extended 3 chemical component of injection punch head laser cladding layers of base self-fluxing alloy material is close with body 1, and difference of thermal expansion coefficients is small, injection Formed punch laser cladding layers 3 and body 1 form metallurgical bonding, will not fall off, the left end of body 1 is connected with connector 2, and connector 2 inner wall is thread-like structure, is dismantled convenient for the device and other rod pieces, consequently facilitating the device is replaced, it will Screw rod 9 is extracted, rotating plate 8, and by pulling connecting rope 12, convenient for taking out liner 6 from the right end of body 1, here it is the height The whole work process of the easily changeable injection plunger of intensity, the content being not described in detail in this specification belong to this field profession skill The prior art well known to art personnel.

The standardized element that the utility model uses can commercially, shaped piece according to specification and attached drawing Record can carry out customized, the specific connection type of each part is all made of in the prior art mature bolt, rivet, weldering Equal conventional means are connect, mechanical, part and equipment are all made of in the prior art, conventional model, in addition circuit connection is using existing Conventional connection type in technology, this will not be detailed here.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of easily changeable injection plunger of high intensity, including body (1), it is characterised in that: the left end of the body (1) is connected with Connector (2), and injection punch head laser cladding layers (3) are coated on the inside of body (1), the injection punch head laser cladding layers (3) inside, which is pasted, to be connected with anti-corrosion layer (4), and the inner wall of the body (1) is fixedly installed with supporting block (5), and supporting block (5) it is fitted on the inside of liner (6), the inner wall right end position of the body (1) is installed by welding with carrier block (7), and carrier block (7) right positions of supporting block (5) are mounted on, are fitted with cover board (8) on the right side of the carrier block (7), and the left and right of cover board (8) Both ends, which are run through, to be equipped with screw rod (9), and the outer surface of the body (1) offers limiting slot (10), the appearance of the liner (6) Face is symmetrically welded with handle (11), and the outer surface of handle (11) is intertwined and connected and has connecting rope (12), the left end of the liner (6) It is fitted closely with the inner wall of body (1).

2. a kind of easily changeable injection plunger of high intensity according to claim 1, it is characterised in that: the body (1) and company Being integrally formed structure between connector (2), and the inner surface of connector (2) is thread-like structure.

3. a kind of easily changeable injection plunger of high intensity according to claim 1, it is characterised in that: the injection punch head laser The hardness of overlay (3) is greater than the hardness of body (1), and the thermal expansion coefficient of injection punch head laser cladding layers (3) is equal to body (1) thermal expansion coefficient, and the thickness of injection punch head laser cladding layers (3) is less than the thickness of anti-corrosion layer (4).

4. a kind of easily changeable injection plunger of high intensity according to claim 1, it is characterised in that: the supporting block (5) with The connection type of liner (6) is to be connected together, and the vertical section shape of liner (6) is " U "-shaped.

5. a kind of easily changeable injection plunger of high intensity according to claim 1, it is characterised in that: the carrier block (7) with The connection type of cover board (8) is hinged, and cover board (8) is fixedly installed by screw rod (9) and liner (6).

6. a kind of easily changeable injection plunger of high intensity according to claim 1, it is characterised in that: the limiting slot (10) Vertical section shape matches with the vertical section shape of body (1), and the lateral axis of body (1), connector (2) and liner (6) Line is mutually overlapped.