Quantitative production and conveying device for plastic flame retardant

Abstract

The utility model discloses a plastic flame retardant quantitative production conveying device which comprises a reaction cylinder and a supporting pipe, a valve is arranged on one side of the supporting pipe, a material injection cylinder is fixedly connected to the bottom end of the supporting pipe, a graduated scale is arranged on the material injection cylinder, a hydraulic push rod is fixedly connected to one side of the material injection cylinder, and a piston is fixedly connected to the output end of the hydraulic push rod. One side in the material injection barrel is fixedly connected with a material injection head, the material injection head is sleeved with a hose, the side, located on the material injection head, of the material injection barrel is fixedly connected with a connecting pipe, the upper side and the lower side in the connecting pipe are both fixedly connected with connecting plates, the two connecting plates are fixedly connected with driving motors, and the output ends of the driving motors are fixedly connected with screw rods; according to the flame retardant quantitative conveying device, the graduated scale is arranged on the reaction cylinder and matched with the hydraulic push rod to drive the piston to move, accurate and quantitative flame retardant can be sucked into the material injection cylinder, then the piston extrudes the material injection cylinder to be matched with the movable pressing wheel, a hose can be extruded, materials are promoted to be separated, and the quantitative conveying accuracy of the flame retardant is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic flame retardant conveying technical field, concretely relates to a plastic flame retardant quantitative production conveying device. BACKGROUND

[0002] Plastic flame retardant is an important chemical injection agent used in plastic processing process, and the form of plastic flame retardant is solid or liquid, which is widely used in high polymer materials such as plastic, rubber and fibre, can increase the fireproof performance of materials, and the plastic flame retardant is usually accurately and stably conveyed to plastic granulation or other processing equipment according to certain dosage.

[0003] According to the plastic granulation flame retardant quantitative production conveying device of Chinese patent publication No. CN203737239U, the main description is that a simple structure is arranged, the flame retardant for plastic granulation can be accurately quantified, and the continuous production can be ensured through large-scale preparation.

[0004] Part of plastic flame retardant has the characteristics of sticking, and when quantitative production conveying is carried out, it is easy to stick to the inner wall of the pipeline, which causes pipeline blockage, and because of the existence of the sticking material, the quantitative conveying of the flame retardant is affected.

[0005] Therefore, a plastic flame retardant quantitative production conveying device is proposed to solve the problem that part of the plastic flame retardant is easy to stick during quantitative production conveying, which affects the accuracy of quantitative conveying. UTILITY MODEL CONTENT

[0006] The technical problem to be solved by the utility model is that part of the plastic flame retardant is easy to stick during quantitative production conveying, which affects the accuracy of quantitative conveying, therefore a plastic flame retardant quantitative production conveying device is proposed.

[0007] The technical scheme adopted by the utility model to solve the technical problem is: a plastic flame retardant quantitative production conveying device, comprising a reaction cylinder and a support pipe, the support pipe is provided with a valve on one side, the support pipe is fixedly connected with a material injection cylinder at the bottom end, a scale is arranged on the material injection cylinder, the material injection cylinder is fixedly connected with a hydraulic push rod on one side, the output end of the hydraulic push rod is fixedly connected with a piston, the material injection cylinder is fixedly connected with a material injection head on one side, the material injection head is sleeved with a hose, the material injection cylinder is fixedly connected with a connecting pipe on the side of the material injection head, the connecting pipe is fixedly connected with a connecting plate on the upper and lower sides, two connecting plates are fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a screw rod, the screw rod is threadedly connected with a moving block, the moving block is fixedly connected with an electric telescopic rod on one side, the output end of the electric telescopic rod is fixedly connected with a fixed frame, the fixed frame is rotatably connected with a pressure roller, and the pressure roller is in contact with the hose.

[0008] As a preferred technical scheme of the utility model, one side of the injection cylinder is provided with a tapered end, the injection cylinder is contacted with a pressing block on one side of the tapered end, the pressing block is fixedly connected on one side of the piston, the tapered end of the injection cylinder is matched with the pressing block, and the material in the injection cylinder can be extruded.

[0009] As a preferred technical scheme of the utility model, the piston is fixedly connected with a jacking rod on one side close to the pressing block, a cutout is formed in the jacking rod, the cutout of the jacking rod is located outside the injection head when the pressing block contacts the tapered end of the injection cylinder, and the cutout is located in the hose, the jacking rod can push the material in the injection head out.

[0010] As a preferred technical scheme of the utility model, both sides of the hose are contacted with limiting plates, the limiting plates are fixedly connected in the connecting pipe, the limiting plates can clamp the hose.

[0011] As a preferred technical scheme of the utility model, the injection cylinder is provided with air holes on one side close to the reaction cylinder, the injection cylinder is fixedly connected with a cavity on the upper side of the air holes, and the upper end of the cavity is fixedly connected with an air pump, the air pump can extract the air in the injection cylinder.

[0012] As a preferred technical scheme of the utility model, an electric push rod is fixedly connected in the cavity, and the bottom end of the electric push rod is fixedly connected with a pressing plate, the electric push rod and the pressing plate can provide the blocking of the flame retardant.

[0013] The utility model has the following advantages: the scale is arranged on the reaction cylinder, the piston is driven to move by the hydraulic push rod, the accurate and quantitative flame retardant can be sucked into the injection cylinder, then the piston extrudes the injection cylinder, the movable pressing wheel is matched, the hose can be extruded, the material is caused to come out, and the accuracy of the quantitative conveying of the flame retardant is improved. ACCURACY

[0014] Fig. 1 It is a side view structure schematic diagram of a plastic flame retardant quantitative production conveying device of a preferred embodiment of the utility model;

[0015] Fig. 2 It is a side view structure schematic diagram of a connecting pipe of a plastic flame retardant quantitative production conveying device of a preferred embodiment of the utility model;

[0016] Fig. 3 It is a three-dimensional structure schematic diagram of a cavity of a plastic flame retardant quantitative production conveying device of a preferred embodiment of the utility model.

[0017] Explanation of reference signs: 1, reaction cylinder; 2, support pipe; 3, injection cylinder; 4, hydraulic push rod; 5, piston; 6, injection head; 7, hose; 8, adapter pipe; 9, adapter plate; 10, screw; 11, moving block; 12, electric telescopic rod; 13, fixed frame; 14, pressure roller; 15, limiting plate; 16, pressing block; 17, ejector rod; 18, air hole; 19, cavity; 20, air pump; 21, electric push rod; 22, pressing plate. DETAILED DESCRIPTION

[0018] The utility model will be further described below in combination with the drawings.

[0019] Please refer to Figs. 1-3 As shown in one kind of plastic flame retardant quantitative production conveying device, including reaction cylinder 1 and support pipe 2, support pipe 2 one side is provided with valve, support pipe 2 bottom end fixedly connected with injection cylinder 3, injection cylinder 3 is provided with scale, and the 0 scale of scale is located at the side of injection cylinder 3 near the tapered end, cooperate piston 5 and the extension and contraction of hydraulic push rod 4, can promote the accurate feeding in injection cylinder 3, one side of injection cylinder 3 is fixedly connected with hydraulic push rod 4, the output end of hydraulic push rod 4 is fixedly connected with piston 5, then hydraulic push rod 4 extends extrusion and moves out flame retardant from injection cylinder 3, and enters the hose 7 in through injection head 6, simultaneously, pressing block 16 contacts the tapered end of one side of injection cylinder 3, one side of injection cylinder 3 is fixedly connected with injection head 6, and the injection head 6 is sleeved with hose 7, and injection cylinder 3 is fixedly connected with adapter pipe 8 on the side of injection head 6, and the adapter pipe 8 is fixedly connected with adapter plate 9 on the upper and lower sides, wherein two adapter plates 9 are fixedly connected with driving motor, driving motor drives screw 10 to rotate, can make moving block 11 and electric telescopic rod 12 move, and the extension and contraction of electric telescopic rod 12 can drive fixed frame 13 and pressure roller 14 to move, the output end of driving motor is fixedly connected with screw 10, and screw 10 is screw connected with moving block 11, and one side of moving block 11 is fixedly connected with electric telescopic rod 12, and the output end of electric telescopic rod 12 is fixedly connected with fixed frame 13, and pressure roller 14 is rotatably connected in fixed frame 13, and pressure roller 14 contacts with hose 7.

[0020] Wherein, one side of injection cylinder 3 is provided with tapered end, and injection cylinder 3 is contacted with pressing block 16 on the side of tapered end, and pressing block 16 is fixedly connected on one side of piston 5, by setting pressing block 16, can limit hose 7, so that pressing block 16 can extrude hose 7 stably.

[0021] Wherein, piston 5 is fixedly connected with ejector rod 17 on the side close to pressing block 16, notch is formed in ejector rod 17, the notch of ejector rod 17 is located on the outside of injection head 6 when pressing block 16 contacts the tapered end of injection cylinder 3, and the notch is located in hose 7, by setting pressing block 16 cooperates with the tapered end of injection cylinder 3 can form complete contact, and facilitate extruding quantitative flame retardant.

[0022] The hose 7 is in contact with the limiting plates 15 on both sides, the limiting plates 15 are fixedly connected in the adapter pipe 8, the limiting plates 15 can limit and clamp the hose 7, so that the stability of the extruded hose 7 is improved.

[0023] The air hole 18 is arranged on the side of the injection cylinder 3 close to the reaction cylinder 1, the cavity 19 is fixedly connected above the air hole 18, and the air pump 20 is fixedly connected to the upper end of the cavity 19.

[0024] The electric push rod 21 is fixedly connected in the cavity 19, and the pressing plate 22 is fixedly connected to the bottom end of the electric push rod 21.

[0025] When quantitative delivery is needed, the hydraulic push rod 4 is adjusted to contract, so that the side of the piston 5 close to the injection head 6 corresponds to the scale, then the valve is opened, the fire retardant enters the injection cylinder 3, and the air in the cavity 19 and the injection cylinder 3 is extracted by the air pump 20, and the pressing wheel 14 extrudes the hose 7 and closes the injection head 6, so that the quantitative fire retardant enters the injection cylinder 3, the hydraulic push rod 4 is started to move the piston 5 to the side of the injection head 6 (the pressing wheel 14 does not contact the hose 7), the fire retardant enters the hose 7 from the injection head 6, and the top rod 17 is inserted into the injection head 6, and the cut gradually leaks out, at this time, the material in the injection cylinder 3 is bent and moved out, the driving motor drives the screw rod 10 to rotate, and the side of the pressing wheel 14 close to the cut is gradually extruded, so that the remaining material is moved out of the hose 7, and the precision of quantitative delivery of the fire retardant is improved.

[0026] The preferred embodiments of the utility model are described above, and it should be pointed out that some improvements and decorations can be made for ordinary technical personnel in the technical field without departing from the principle of the utility model, and these improvements and decorations should also be regarded as the protection range of the utility model.

[0027] The other parts not described in detail in the utility model belong to the prior art, so they are not described here.

[0028] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, ordinary technical personnel in the art should understand that: the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the range of the technical solutions of the embodiments of the utility model.

Claims

1. A quantitative production and conveying device for plastic flame retardants, comprising a reaction cylinder (1) and a support pipe (2), wherein a valve is provided on one side of the support pipe (2), characterized in that, The bottom end of the support tube (2) is fixedly connected to an injection cylinder (3). A hydraulic push rod (4) is fixedly connected to one side of the injection cylinder (3). A piston (5) is fixedly connected to the output end of the hydraulic push rod (4). An injection head (6) is fixedly connected to one side inside the injection cylinder (3). A flexible hose (7) is sleeved on the injection head (6). A connecting tube (8) is fixedly connected to the injection cylinder (3) on one side of the injection head (6). Connecting plates are fixedly connected to both the upper and lower sides inside the connecting tube (8). (9), wherein a drive motor is fixedly connected to two of the connecting plates (9), a screw (10) is fixedly connected to the output end of the drive motor, a moving block (11) is threadedly connected to the screw (10), an electric telescopic rod (12) is fixedly connected to one side of the moving block (11), a fixed frame (13) is fixedly connected to the output end of the electric telescopic rod (12), a pressure roller (14) is rotatably connected inside the fixed frame (13), and the pressure roller (14) is in contact with the hose (7).

2. The quantitative production and conveying device for plastic flame retardants as described in claim 1, characterized in that, The injection cylinder (3) has a tapered end on one side, and the injection cylinder (3) is in contact with a pressure block (16) on the tapered end side. The pressure block (16) is fixedly connected to one side of the piston (5).

3. The quantitative production and conveying device for plastic flame retardants as described in claim 2, characterized in that, The piston (5) is fixedly connected to a push rod (17) on the side near the pressure block (16). The push rod (17) has a cut. When the pressure block (16) contacts the conical end of the injection cylinder (3), the cut of the push rod (17) is located outside the injection head (6) and inside the hose (7).

4. The quantitative production and conveying device for plastic flame retardants as described in claim 3, characterized in that, Both sides of the hose (7) are in contact with the limiting plate (15), and the limiting plate (15) is fixedly connected inside the connecting pipe (8).

5. The quantitative production and conveying device for plastic flame retardants as described in claim 1, characterized in that, The injection cylinder (3) has an air hole (18) on the side near the reaction cylinder (1). A cavity (19) is fixedly connected to the injection cylinder (3) above the air hole (18). An air pump (20) is fixedly connected to the upper end of the cavity (19).

6. The quantitative production and conveying device for plastic flame retardants as described in claim 5, characterized in that, An electric push rod (21) is fixedly connected inside the cavity (19), and a pressure plate (22) is fixedly connected to the bottom end of the electric push rod (21).

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