Feeding device for thermal insulation pipe production

Abstract

The utility model relates to a feeding device, belongs to the technical field of thermal insulation pipe production, in particular to a feeding device for thermal insulation pipe production, which comprises a feeding hopper, a mixing component and a driving component, a side frame is fixedly mounted on one side of the feeding hopper, and the mixing component comprises a main shaft pipe coaxial with the feeding hopper. A plurality of protruding pieces are fixedly installed on the peripheral wall of the main shaft pipe, the protruding pieces are jointly sleeved with a sleeve pipe in the vertical direction, and a pair of swing rods is rotationally installed on the peripheral wall of one end of the sleeve pipe and the peripheral wall of one end of the main shaft pipe through movable shafts. When the main shaft pipe rotates, the plurality of swing rods can be driven to rotate by means of the convex pieces and the sleeve pipe, and materials can be effectively stirred by the grid supporting rods which are matched with the main shaft pipe, so that the condition that the materials are caked is avoided; when the main shaft pipe drives the auger blade to rotate, the main shaft pipe can be matched with the feeding hopper to turn over materials upwards or discharge the materials downwards actively.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation pipe production, in particular to a feeding device for thermal insulation pipe production. Background Art

[0002] Plastic insulated pipe is usually made of high-density polyethylene as the outer protective pipe and filled with polyurethane rigid foam plastic as the insulation layer. Plastic insulated pipe is generally made of plastic masterbatch extrusion injection molding.

[0003] After searching, a Chinese patent with publication number CN216992697U discloses a plastic masterbatch feeding device, including a storage hopper, an inclined feeding channel is installed on one side of the storage hopper, an upper cover and a first motor are installed on the upper side of the storage hopper, a stirring shaft is transmission-connected to the lower side of the first motor, a stirring blade is installed on the lower part of the stirring shaft, a feeding port is installed at the lower end of the storage hopper, a first spiral blade is installed on the stirring shaft in the middle of the feeding port, a horizontal feeding channel is installed at the lower end of the feeding port, a discharge port is installed at one end of the horizontal feeding channel, and a spray pipe is installed on the inner side of the upper cover.

[0004] Based on the above search and combined with the prior art, we found that:

[0005] The design position of the stirring blade in this patent is relatively fixed. In actual operation, the range of action of the stirring blade is also relatively fixed. When too much masterbatch is added, the masterbatch located at the top has a relatively weak stirring effect and cannot stir the agglomerated materials in time, so there are limitations. Utility Model Content

[0006] In order to solve the above technical problems, the utility model proposes a feeding device for the production of thermal insulation pipes. When the main shaft tube rotates, the utility model can drive multiple rocker arms to rotate by means of convex pieces and sleeve tubes, and the co-arranged grid support rods can effectively stir the materials to avoid agglomeration of the materials; when the main shaft tube drives the auger blades to rotate, it can cooperate with the feeding hopper to flip the materials upward or actively discharge the materials downward.

[0007] The technical solution to achieve the purpose of the utility model is: a feeding device for the production of thermal insulation pipes, comprising a feeding hopper, a side frame is fixedly installed on one side of the feeding hopper, and also comprises a mixing component and a driving component;

[0008] The mixing assembly comprises a main shaft tube coaxially arranged with the upper hopper, a plurality of convex pieces are fixedly mounted on the outer peripheral wall of the main shaft tube, and the plurality of convex pieces are jointly sleeved with a sleeve tube in the vertical direction, a pair of swing rods are rotatably mounted on the outer peripheral wall of one end of the sleeve tube and the main shaft tube through a movable shaft, and each pair of swing rods are rotatably connected through a movable shaft, a grid support rod is fixedly mounted on the outer wall of one side of each swing rod, a push rod motor is fixedly mounted on the top of the side frame, and an L-shaped end rod is fixedly mounted on the end of the extension rod of the push rod motor, an annular bracket is fixedly mounted on the bottom end of the L-shaped end rod, and the annular bracket is rotatably connected to the sleeve tube;

[0009] An auger blade is fixedly mounted on the outer peripheral wall of the main shaft tube near the bottom end, and the diameter of the auger blade is matched with the bottom inner diameter of the upper hopper.

[0010] Preferably, a slide groove is fixedly installed on one side of the side frame close to the upper hopper, and one end of the L-shaped end rod is slidably matched with the slide groove.

[0011] Preferably, the top of the main shaft tube is rotatably connected to the side frame, a hot air pipe is provided on one side of the upper hopper, and one end of the hot air pipe is fixedly connected to an external hot air device, an adapter is fixedly installed on the end of the hot air pipe, and the adapter is rotatably connected to the main shaft tube.

[0012] Preferably, a plurality of evenly distributed conical air outlet holes are formed at one end of the main shaft tube close to the bottom, and the wide ends of the conical air outlet holes face the interior of the main shaft tube.

[0013] Preferably, a driving motor is fixedly mounted on the top of the side frame, and a driving gear is fixedly mounted on the output shaft of the driving motor, and a driven gear is fixedly mounted on one end of the main shaft tube close to the top, and the driving gear and the driven gear are meshed with each other.

[0014] Compared with the prior art, the present invention has the following significant advantages:

[0015] First, when the main shaft tube rotates, the utility model can drive multiple swing rods to rotate by means of the convex piece and the sleeve tube, and the grid support rods provided in combination can effectively stir the materials, and avoid the agglomeration of the materials; at the same time, after the push rod motor is controlled and started, the rotating sleeve tube can be driven to move back and forth in the vertical direction by means of the annular support tube, and at this time, the swing rod can be driven to expand or close, so as to achieve the purpose of improving the stirring effect of the materials; when the main shaft tube drives the auger blade to rotate, the upper hopper can be cooperated to turn the materials upward or actively discharge the materials downward;

[0016] Second: when the external hot air device is started, the utility model can introduce hot air into the spindle tube through the hot air pipe and the adapter, and finally blow it out from the conical air outlet, thereby drying and preheating the material;

[0017] The invention solves the problem that during the processing and feeding of the existing thermal insulation pipe, the plastic masterbatch is easily blocked due to agglomeration, resulting in the feeding being not smooth. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by the utility model in one embodiment;

[0020] Figure 2 This is a schematic diagram of a half-section structure of an upper hopper provided in one embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of a partial cross-section structure of a spindle tube provided in one embodiment of the utility model;

[0022] Figure 4 The utility model provides in one embodiment Figure 3 The enlarged structural diagram at A in the middle;

[0023] Figure 5 The utility model provides in one embodiment Figure 3 Enlarged structural diagram at B in the middle.

[0024] Description of reference numerals:

[0025] 1. Hopper; 2. Hot air pipe; 3. Spindle tube; 4. Side frame; 401, Push rod motor; 5. Driving motor; 6. Driving gear; 7. Driven gear; 8. Slide; 9. L-shaped end rod; 10. Annular support tube; 11. Swing rod; 12. Grille support rod; 13. Auger blade; 14. Conical air outlet; 15. Lug; 16. Sleeve tube. DETAILED DESCRIPTION

[0026] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. 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 embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides a feeding device for the production of thermal insulation pipes through improvement. The technical solution of the utility model is:

[0028] like Figure 1-5 As shown, a feeding device for producing thermal insulation pipes includes a feeding hopper 1, a side frame 4 is fixedly mounted on one side of the feeding hopper 1, and also includes a mixing component and a driving component;

[0029] The mixing assembly includes a main shaft tube 3 coaxially arranged with the upper hopper 1, a plurality of protrusions 15 are fixedly installed on the outer peripheral wall of the main shaft tube 3, and the plurality of protrusions 15 are jointly sleeved with a sleeve tube 16 in the vertical direction, a pair of swing rods 11 are rotatably installed on the outer peripheral wall of the sleeve tube 16 and one end of the main shaft tube 3 through a movable shaft, and each pair of swing rods 11 are rotatably connected through a movable shaft, a grid support rod 12 is fixedly installed on the outer wall of one side of each swing rod 11, a push rod motor 401 is fixedly installed on the top of the side frame 4, and an L-shaped end rod 9 is fixedly installed on the end of the extension rod of the push rod motor 401, and the bottom end of the L-shaped end rod 9 An annular support 10 is fixedly installed, and the annular support 10 is rotatably connected to the sleeve tube 16; through the above structure, when the main shaft tube 3 rotates, the multiple rocker arms 11 can be driven to rotate by the protruding pieces 15 and the sleeve tube 16, and the grid support rods 12 arranged in conjunction with the same can effectively stir the materials, thereby avoiding the agglomeration of the materials; at the same time, after controlling and starting the push rod motor 401, the rotating sleeve tube 16 can be driven by the annular support 10 to reciprocate in the vertical direction, and at this time, the rocker arms 11 can be driven to expand or retract, thereby achieving the purpose of improving the stirring effect on the materials.

[0030] An auger blade 13 is fixedly installed on the outer peripheral wall of the main shaft tube 3 near the bottom end, and the diameter of the auger blade 13 is adapted to the bottom inner diameter of the upper hopper 1; when the main shaft tube 3 drives the auger blade 13 to rotate, it can cooperate with the upper hopper 1 to flip the material upward or actively discharge the material downward.

[0031] Furthermore, a slide groove 8 is fixedly installed on one side of the side frame 4 close to the upper hopper 1, and one end of the L-shaped end rod 9 is slidably matched with the slide groove 8; through the above structure, under the action of the slide groove 8, the stability of the up and down movement of the L-shaped end rod 9 can be effectively improved.

[0032] As a further scheme of the utility model, the top of the main shaft tube 3 is rotatably connected to the side frame 4, a hot air pipe 2 is provided on one side of the upper hopper 1, and one end of the hot air pipe 2 is fixedly connected to an external hot air device, an adapter is fixedly installed on the end of the hot air pipe 2, and the adapter is rotatably connected to the main shaft tube 3, and a plurality of evenly distributed conical air outlet holes 14 are provided at one end of the main shaft tube 3 near the bottom, and the wide end of the conical air outlet holes 14 faces the interior of the main shaft tube 3; this arrangement can prevent the conical air outlet holes 14 from being blocked by plastic masterbatch.

[0033] Through the above structure, when the external hot air equipment is started, hot air can be introduced into the main shaft tube 3 through the hot air pipe 2 and the adapter, and finally blown out from the conical air outlet 14, so as to achieve drying, drying and preheating of the material, which is beneficial to improve the production quality of the insulation tube.

[0034] Furthermore, a driving motor 5 is fixedly installed on the top of the side frame 4, and a driving gear 6 is fixedly installed on the output shaft of the driving motor 5, and a driven gear 7 is fixedly installed on the end of the main shaft tube 3 close to the top, and the driving gear 6 and the driven gear 7 are meshed with each other; through the above structure, when the driving motor 5 is controlled to start, the main shaft tube 3 can be driven to rotate through the transmission action of the driving gear 6 and the driven gear 7.

[0035] The specific working method is: when in use, control to start the external hot air device for preheating treatment, and add the plastic masterbatch into the upper hopper 1, and when the driving motor 5 is controlled to start, the main shaft tube 3 can be driven to rotate through the transmission effect of the driving gear 6 and the driven gear 7;

[0036] When the main shaft tube 3 rotates, the multiple swing rods 11 can be driven to rotate by the protruding pieces 15 and the sleeve tube 16, and the grid support rods 12 provided in cooperation can effectively stir the materials and avoid the agglomeration of the materials; at the same time, after the control and start of the push rod motor 401, the rotating sleeve tube 16 can be driven to reciprocate in the vertical direction by the annular support tube 10, at this time, the swing rod 11 can be driven to expand or retract, so as to achieve the purpose of improving the stirring effect of the materials; when the main shaft tube 3 drives the auger blades 13 to rotate, the upper hopper 1 can be cooperated with to turn the materials upward; in order to further ensure the stirring and drying effect of the materials, when the external hot air equipment is started, the hot air can be introduced into the main shaft tube 3 by the hot air pipe 2 and the adapter, and finally bulge out from the conical air outlet 14, so as to achieve the drying, drying and preheating of the materials, thereby facilitating the improvement of the production quality of the insulation pipe;

[0037] When the driving motor 5 is controlled to run in the reverse direction, the auger blade 13 can be driven to rotate in the reverse direction, so as to cooperate with the swing of the swing rod 11 to carry out active material unloading.

[0038] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A feeding device for producing thermal insulation pipes, comprising a feeding hopper (1), a side frame (4) being fixedly mounted on one side of the feeding hopper (1), characterized in that: It also includes a mixing component and a driving component; The mixing assembly comprises a main shaft tube (3) coaxially arranged with the upper hopper (1), a plurality of protrusions (15) are fixedly mounted on the outer peripheral wall of the main shaft tube (3), and the plurality of protrusions (15) are jointly sleeved with a sleeve tube (16) in the vertical direction, a pair of swing rods (11) are rotatably mounted on the outer peripheral wall of one end of the sleeve tube (16) and the main shaft tube (3) via a movable shaft, and each pair of swing rods (11) are rotatably connected via a movable shaft, a grid support rod (12) is fixedly mounted on the outer wall of one side of each swing rod (11), a push rod motor (401) is fixedly mounted on the top of the side frame (4), and an L-shaped end rod (9) is fixedly mounted on the end of the extension rod of the push rod motor (401), an annular support cylinder (10) is fixedly mounted on the bottom end of the L-shaped end rod (9), and the annular support cylinder (10) is rotatably connected to the sleeve tube (16); An auger blade (13) is fixedly mounted on the outer peripheral wall of the main shaft tube (3) near the bottom end, and the diameter of the auger blade (13) is matched with the bottom inner diameter of the upper hopper (1).

2. A feeding device for producing thermal insulation pipes according to claim 1, characterized in that: A slide groove (8) is fixedly installed on one side of the side frame (4) close to the upper hopper (1), and one end of the L-shaped end rod (9) is slidably matched with the slide groove (8).

3. A feeding device for producing thermal insulation pipes according to claim 1, characterized in that: The top of the main shaft tube (3) is rotatably connected to the side frame (4), a hot air pipe (2) is provided on one side of the upper hopper (1), and one end of the hot air pipe (2) is fixedly connected to an external hot air device, and an adapter is fixedly installed at the end of the hot air pipe (2), and the adapter is rotatably connected to the main shaft tube (3).

4. A feeding device for producing thermal insulation pipes according to claim 3, characterized in that: A plurality of evenly distributed conical air outlet holes (14) are provided at one end of the main shaft tube (3) close to the bottom, and the wide ends of the conical air outlet holes (14) face the interior of the main shaft tube (3).

5. The feeding device for producing thermal insulation pipes according to claim 1, characterized in that: A driving motor (5) is fixedly mounted on the top of the side frame (4), and a driving gear (6) is fixedly mounted on the output shaft of the driving motor (5); a driven gear (7) is fixedly mounted on one end of the main shaft tube (3) close to the top, and the driving gear (6) and the driven gear (7) are meshed with each other.

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