Rubber product preforming machine with temperature control structure

By designing the extrusion assembly and feed assembly with a temperature-controlled structure in the rubber preformer, the combination of screw conveying leaves is used to solve the problem of the rubber blockage in the feeding hopper, achieving uniform feeding and discharge of the rubber, ensuring the normal preforming of the rubber.

CN222768940UActive Publication Date: 2025-04-18JIANGSU BETTER ELECTRIC CO LTD
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Patent Information

Application Number
CN202421374872.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-04-18
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

When adding rubber materials, existing rubber preformers are prone to blockage at the bottom of the feeding hopper, and the feeding is uneven, which affects the normal preforming of the rubber materials.

Method used

A rubber product preformer with a temperature-controlled structure was designed. By setting up an extrusion assembly and a feeding assembly, the combination of transverse screw conveying blades and vertical screw conveying blades is used to achieve uniform feeding and discharge of the rubber material to avoid clogging.

Benefits of technology

It effectively avoids the blockage of the glue, realizes uniform feeding and discharge of the glue, and ensures normal preforming of the glue.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rubber product preforming machine with a temperature control structure, and relates to the technical field of forming machines. The rubber product preforming machine with the temperature control structure comprises a base; the extrusion assembly comprises a rotating rod which is rotationally arranged on the inner side wall of the forming cylinder and extends into the mounting box, transverse spiral conveying blades are fixedly arranged on the outer surface of the rotating rod, and the extrusion assembly further comprises a driving motor which is fixedly arranged in the mounting box and used for driving the rotating rod to rotate; and the feeding assembly comprises a feeding cylinder arranged on the outer surface of the forming cylinder, and a feeding pipe extending into the forming cylinder is arranged at the bottom end of the feeding cylinder. According to the rubber material preforming device, preforming of rubber materials can be achieved, meanwhile, the vertical spiral conveying blade can be driven to rotate, the rubber materials in the feeding barrel can evenly enter the feeding pipe and are evenly discharged into the forming barrel, and therefore the situation that the rubber materials are blocked is effectively avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of molding machines, in particular to a rubber product preforming machine with a temperature control structure. Background Art

[0002] The rubber preformer is a high-precision and high-efficiency equipment for making rubber blanks, which can produce various medium and high hardness and various shapes of rubber blanks. The existing patent for a rubber preformer, patent announcement number CN116442500A, includes a first base, the upper surface of the first base is fixedly connected with a rubber extrusion mechanism, one end of the first base is fixedly connected with a frame, the upper surface of the end of the frame close to the first base is fixedly connected with a cooling mechanism, the upper surface of the end of the frame away from the first base is fixedly connected with a second base, the upper surface of the second base is fixedly connected with a side plate, the end of the second base close to the cooling mechanism is fixedly connected with a guide ring, the end of the side plate close to the guide ring is rotatably connected with a guide roller, and the side of the side plate close to the guide roller is fixedly connected with a conveying mechanism. Through the use of the cutting mechanism and the weighing mechanism, the present invention can automatically clean the blade, and at the same time, the rubber products are weighed and classified, which greatly reduces the labor intensity of workers.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: when the rubber preforming machine actually adds rubber, it is necessary to add the rubber into the feeding hopper and realize the feeding under the action of the rubber's own gravity. This feeding method easily causes the rubber to bridge at the bottom of the feeding hopper and block the feeding hopper, and the feeding cannot be carried out evenly, thereby affecting the normal preforming of the rubber.

[0004] Therefore, we proposed a rubber product preforming machine with a temperature control structure to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a rubber product preforming machine with a temperature control structure, which solves the problem that rubber materials are easily blocked.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a rubber product preforming machine with a temperature control structure, comprising:

[0007] A base, wherein a mounting box is fixedly arranged on the upper surface of the base, and a molding cylinder is fixedly arranged on the side of the mounting box, and an extrusion die is arranged at the end of the molding cylinder;

[0008] An extrusion assembly, the extrusion assembly comprising a rotating rod rotatably arranged on the inner side wall of the forming cylinder and extending to the inside of the installation box, a transverse spiral conveying blade being fixedly arranged on the outer surface of the rotating rod, and the extrusion assembly further comprising a driving motor fixedly arranged inside the installation box for driving the rotating rod to rotate;

[0009] A feeding assembly, which is used to add rubber compound into the interior of a forming cylinder, the feeding assembly comprises a feeding cylinder arranged on the outer surface of the forming cylinder, a feeding pipe extending into the interior of the forming cylinder is arranged at the bottom end of the feeding cylinder, the feeding assembly also comprises a rotating shaft rotatably arranged on the inner top wall of the feeding cylinder and extending into the interior of the feeding pipe, and a vertical spiral conveying blade is fixedly arranged on the surface of the rotating shaft, a connecting rod extending to the upper surface of the installing box is rotatably arranged on the inner top wall of the installing box, and synchronous wheels are fixedly arranged on the top end of the connecting rod and the top end of the rotating shaft, synchronous belts are sleeved on the surfaces of the two synchronous wheels, and mutually meshing bevel gears are fixedly arranged on the bottom end of the connecting rod and the surface of the rotating rod;

[0010] The heating component is used to heat the rubber material conveyed inside the forming cylinder.

[0011] Preferably, a driving gear disc is fixedly provided at the output end of the driving motor, and a driven gear disc meshing with the driving gear disc is fixedly provided at the end of the rotating rod.

[0012] Preferably, the top end of the rotating shaft extends to the upper surface of the feeding barrel, and the upper surface of the feeding barrel is provided with an arc-shaped feeding opening.

[0013] Preferably, two symmetrical mounting blocks are fixedly provided on the upper surface of the base, and mounting holes are opened on the surfaces of the two mounting blocks, and the inner walls of the two mounting holes are fixedly connected to the outer surface of the forming cylinder.

[0014] Preferably, the heating assembly includes a heating sleeve sleeved on the outer surface of the forming cylinder, and an electric heater spirally arranged inside the heating sleeve.

[0015] Preferably, a temperature sensor is embedded in the inner wall of the forming cylinder, and a PLC controller is provided on the upper surface of the mounting box, and the electric heater and the temperature sensor are electrically connected to the PLC controller via wires.

[0016] Preferably, two groups of symmetrical metal rods are embedded in the inner wall of the heating sleeve, and the ends of the metal rods extend into the interior of the forming cylinder, and the surface of the transverse spiral conveying blades is provided with notches corresponding to the metal rods. Beneficial Effects

[0017] The utility model provides a rubber product preforming machine with a temperature control structure. Compared with the prior art, it has the following beneficial effects:

[0018] The rubber product preforming machine with a temperature control structure is equipped with an extrusion component and a feeding component, so that during actual use, the rubber product preforming machine can realize the preforming of rubber compound, and at the same time can drive the vertical spiral conveying blade to rotate, so that the compound in the feed barrel can evenly enter the feed pipe and be evenly discharged into the forming barrel, thereby effectively avoiding the occurrence of rubber compound blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the front section structure of the utility model.

[0021] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0022] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the transverse spiral conveying blade of the utility model.

[0024] In the figure:

[0025] 100, base;

[0026] 200, installation box;

[0027] 300, forming tube;

[0028] 400. Extrusion die;

[0029] 500, extrusion assembly; 501, rotating rod; 502, transverse spiral conveying blade; 503, driving motor; 504, driving gear disc; 505, driven gear disc;

[0030] 600, feed assembly; 601, feed barrel; 602, feed pipe; 603, rotating shaft; 604, vertical spiral conveying blade; 605, connecting rod; 606, synchronous wheel; 607, synchronous belt; 608, bevel gear;

[0031] 700, heating assembly; 701, heating sleeve; 702, electric heater; 703, temperature sensor; 704, metal rod; 705, notch;

[0032] 800, installation block;

[0033] 900, PLC controller. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0035] See also Figure 1-5 The utility model provides a technical solution: a rubber product preforming machine with a temperature control structure, comprising:

[0036] A base 100, a mounting box 200 is fixedly arranged on the upper surface of the base 100, a molding cylinder 300 is fixedly arranged on the side of the mounting box 200, and an extrusion die 400 is arranged at the end of the molding cylinder 300;

[0037] Two symmetrical mounting blocks 800 are fixedly provided on the upper surface of the base 100 , and mounting holes are opened on the surfaces of the two mounting blocks 800 . The inner walls of the two mounting holes are fixedly connected to the outer surface of the forming tube 300 , which effectively ensures the stability of the forming tube 300 .

[0038] The extrusion assembly 500 includes a rotating rod 501 rotatably arranged on the inner wall of the forming cylinder 300 and extending to the inside of the installation box 200, and a transverse spiral conveying blade 502 is fixedly arranged on the outer surface of the rotating rod 501. The extrusion assembly 500 also includes a driving motor 503 fixedly arranged inside the installation box 200 for driving the rotating rod 501 to rotate;

[0039] A driving gear disc 504 is fixedly disposed at the output end of the driving motor 503 , and a driven gear disc 505 meshing with the driving gear disc 504 is fixedly disposed at the end of the rotating rod 501 , so that the rotating rod 501 can be driven to rotate at a reduced speed by the rotation of the driving motor 503 .

[0040] A feeding assembly 600, which is used to add rubber compound into the interior of the molding cylinder 300, comprises a feeding cylinder 601 arranged on the outer surface of the molding cylinder 300, a feeding pipe 602 extending into the interior of the molding cylinder 300 is arranged at the bottom end of the feeding cylinder 601, the feeding assembly 600 also comprises a rotating shaft 603 rotatably arranged on the inner top wall of the feeding cylinder 601 and extending into the interior of the feeding pipe 602, and a vertical spiral conveying blade 604 is fixedly arranged on the surface of the rotating shaft 603, a connecting rod 605 extending to the upper surface of the installing box 200 is rotatably arranged on the inner top wall of the installing box 200, and a synchronous wheel 606 is fixedly arranged on the top end of the connecting rod 605 and the top end of the rotating shaft 603, a synchronous belt 607 is sleeved on the surface of the two synchronous wheels 606, and a bevel gear 608 meshing with each other is fixedly arranged on the bottom end of the connecting rod 605 and the surface of the rotating rod 501;

[0041] The top end of the rotating shaft 603 extends to the upper surface of the feeding barrel 601 , and the upper surface of the feeding barrel 601 is provided with an arc-shaped feeding opening to facilitate adding rubber into the inside of the feeding barrel 601 .

[0042] The heating assembly 700 is used to heat the rubber material transported inside the forming cylinder 300 .

[0043] The heating assembly 700 includes a heating sleeve 701 sleeved on the outer surface of the forming cylinder 300 and an electric heater 702 spirally arranged inside the heating sleeve 701 , which can evenly heat the rubber material in the forming cylinder 300 .

[0044] A temperature sensor 703 is embedded in the inner wall of the molding tube 300, and a PLC controller 900 is arranged on the upper surface of the mounting box 200. The electric heater 702 and the temperature sensor 703 are electrically connected to the PLC controller 900 through wires. When the temperature inside the molding tube 300 reaches the temperature pre-set by the PLC controller 900, the temperature sensor 703 transmits a signal to the PLC controller 900, and the PLC controller 900 automatically controls the electric heater 702 to turn off. When the temperature is lower than the pre-set value, the PLC controller 900 automatically controls the electric heater 702 to turn on for heating, thereby achieving the purpose of constant control of the temperature inside the molding tube 300.

[0045] Two groups of symmetrical metal rods 704 are embedded in the inner wall of the heating sleeve 701, and the ends of the metal rods 704 extend into the interior of the forming cylinder 300. The surface of the transverse spiral conveying blade 502 is provided with notches 705 corresponding to the metal rods 704, so as to facilitate the transfer of heat in the heating sleeve 701 to the forming cylinder 300. At the same time, the setting of the metal rods 704 can stir the rubber material being conveyed inside the forming cylinder 300, so that the rubber material is heated more evenly.

[0046] The rubber product preforming machine with a temperature control structure is equipped with an extrusion component 500 and a feed component 600, so that during actual use, the rubber product preforming machine can realize the preforming of rubber compound, and at the same time can drive the vertical spiral conveying blade 604 to rotate, so that the compound in the feed barrel 601 can evenly enter the feed pipe 602 and be evenly discharged into the forming barrel 300, thereby effectively avoiding the occurrence of rubber compound blockage.

[0047] During operation, the rubber compound is added into the feed barrel 601, and the driving motor 503 is driven. The rotation of the driving motor 503 drives the active gear disc 504 to rotate. The rotation of the active gear disc 504 drives the driven gear disc 505 and the rotating rod 501 to rotate. The rotation of the rotating rod 501 drives the transverse spiral conveying blade 502 to move the rubber compound in the molding barrel 300 to the left for conveying. The rubber compound is heated and softened by the electric heater 702 in the heating assembly 700 and then extruded through the extrusion die 400, thereby achieving the rubber compound. During preforming, the rotating rod 501 can drive the connecting rod 605 to rotate under the action of the two bevel gears 608. The rotation of the connecting rod 605 drives the rotating shaft 603 to rotate under the action of the two synchronous wheels 606 and the synchronous belt 607. The rotation of the rotating shaft 603 drives the vertical spiral conveying blade 604 to rotate, so that the rubber in the feed barrel 601 can evenly enter the feed pipe 602 and be evenly discharged into the forming barrel 300, thereby effectively avoiding the blockage of the rubber.

[0048] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A rubber product preforming machine with a temperature control structure, characterized in that: include: A base (100), wherein a mounting box (200) is fixedly provided on the upper surface of the base (100), and a molding cylinder (300) is fixedly provided on the side surface of the mounting box (200), and an extrusion die (400) is provided at the end of the molding cylinder (300); An extrusion assembly (500), the extrusion assembly (500) comprising a rotating rod (501) rotatably arranged on the inner side wall of the forming cylinder (300) and extending into the interior of the installation box (200), a transverse spiral conveying blade (502) being fixedly arranged on the outer surface of the rotating rod (501), and the extrusion assembly (500) further comprising a driving motor (503) fixedly arranged inside the installation box (200) and used for driving the rotating rod (501) to rotate; A feeding assembly (600) is used to add a rubber compound into the interior of a molding cylinder (300), the feeding assembly (600) comprising a feeding cylinder (601) arranged on the outer surface of the molding cylinder (300), a feeding pipe (602) extending into the interior of the molding cylinder (300) being arranged at the bottom end of the feeding cylinder (601), the feeding assembly (600) further comprising a rotating shaft (603) rotatably arranged on the top wall of the feeding cylinder (601) and extending into the interior of the feeding pipe (602), and the rotating shaft (60 3) is fixedly provided with a vertical spiral conveying blade (604), the inner top wall of the installation box (200) is rotatably provided with a connecting rod (605) extending to the upper surface of the installation box (200), and the top end of the connecting rod (605) and the top end of the rotating shaft (603) are both fixedly provided with a synchronous wheel (606), the surfaces of the two synchronous wheels (606) are sleeved with a synchronous belt (607), and the bottom end of the connecting rod (605) and the surface of the rotating rod (501) are both fixedly provided with mutually meshing bevel gears (608); The heating component (700) is used to heat the rubber material transported inside the molding cylinder (300).

2. The rubber product preforming machine with a temperature control structure according to claim 1, characterized in that: The output end of the driving motor (503) is fixedly provided with a driving toothed disc (504), and the end of the rotating rod (501) is fixedly provided with a driven toothed disc (505) meshing with the driving toothed disc (504).

3. The rubber product preforming machine with a temperature control structure according to claim 1, characterized in that: The top end of the rotating shaft (603) extends to the upper surface of the feeding barrel (601), and the upper surface of the feeding barrel (601) is provided with an arc-shaped feeding opening.

4. The rubber product preforming machine with a temperature control structure according to claim 1, characterized in that: Two symmetrical mounting blocks (800) are fixedly arranged on the upper surface of the base (100), and mounting holes are provided on the surfaces of the two mounting blocks (800), and the inner walls of the two mounting holes are fixedly connected to the outer surface of the forming cylinder (300).

5. The rubber product preforming machine with a temperature control structure according to claim 1, characterized in that: The heating component (700) comprises a heating sleeve (701) sleeved on the outer surface of the forming cylinder (300), and an electric heater (702) spirally arranged inside the heating sleeve (701).

6. The rubber product preforming machine with a temperature control structure according to claim 5, characterized in that: A temperature sensor (703) is embedded in the inner wall of the forming cylinder (300), and a PLC controller (900) is provided on the upper surface of the installation box (200). The electric heater (702) and the temperature sensor (703) are both electrically connected to the PLC controller (900) via wires.

7. The rubber product preforming machine with a temperature control structure according to claim 5, characterized in that: Two groups of symmetrical metal rods (704) are embedded in the inner wall of the heating sleeve (701), and the ends of the metal rods (704) extend into the interior of the forming cylinder (300). Notches (705) corresponding to the metal rods (704) are formed on the surface of the transverse spiral conveying blades (502).

Citation Information

Patent Citations

  • Rubber preforming machine

    CN116442500A