Raw material mixing device for automobile sealing element production

Abstract

The utility model discloses a raw material mixing device for automobile sealing element production, relates to the technical field of automobile sealing elements, and provides the following scheme aiming at the problems that raw materials at the bottom cannot be mixed with raw materials at the upper part, the mixing effect is poor, the raw materials cannot be conveyed into a screw extruder in real time and the practicability is low in the background technology. Comprising a mixing box and a box cover, a power mechanism is arranged at the top of the box cover and comprises a motor, a rotating shaft connected to the outer wall of the bottom end of an output shaft of the motor through a coupler and a transmission rod of a regular hexagon structure, and a stirring assembly is arranged in the mixing box; the stirring assembly comprises a material stopping block slidably arranged on the outer wall of the transmission rod in a sleeving mode and a circular-truncated-cone-shaped protruding block slidably arranged on the outer wall of the lower portion of the transmission rod in a sleeving mode. According to the screw extruder, raw materials can be fully stirred and mixed, the raw materials are prevented from being mixed unevenly, the mixing effect is improved, the raw materials can be conveyed in real time and directly discharged into the screw extruder, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile sealing parts, in particular to a raw material mixing device for producing automobile sealing parts. Background Art

[0002] The sealing parts in automobiles are mainly made of elastomers. During the production process of automobile seals, multiple raw materials need to be stirred and mixed.

[0003] After searching, a Chinese patent (application number "201821594986.X") discloses "a raw material mixing device for automobile seal production". The above device includes a body, a support frame, a feed pipe, a reducer, a drive motor, a main shaft, a conical mixer, a mixing rod body, a collecting plate body, a discharge pipe, and a discharge valve; a support frame is fixedly installed at the bottom of the box body, and several feed ports are opened at the inner edge of the upper end of the box body. The feed pipe is fixedly installed on the feed port, and a reducer is fixedly installed at the center position of the upper end of the box body by bolts. The upper end of the reducer is connected to the drive motor by bolts, and the rotating shaft of the drive motor is fixedly connected to the input shaft of the reducer through a bushing. The output end of the reducer is fixedly connected to the upper end of the main shaft through a bushing, and the main shaft is arranged inside the box body. However, during the use of the above device, the following problems exist:

[0004] 1. When the seal raw materials are stirred and mixed, the raw materials at the bottom cannot be mixed with the raw materials at the top, and the mixing effect is poor;

[0005] 2. After the sealing material is stirred, the raw material cannot be transported into the screw extruder in real time, which has low practicality. Utility Model Content

[0006] The utility model provides a raw material mixing device for producing automobile seals, which solves the problems in the reference document that the raw material at the bottom cannot be mixed with the raw material at the top, the mixing effect is poor, the raw material cannot be transported into the screw extruder in real time, and the practicality is low.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A raw material mixing device for automobile seal production comprises a mixing box and a box cover, a power mechanism is arranged on the top of the box cover, the power mechanism comprises a motor, a rotating shaft connected to the outer wall of the bottom end of the motor output shaft through a coupling and a transmission rod with a regular hexagonal structure, a stirring assembly is arranged in the mixing box, the stirring assembly comprises a stopper block slidably sleeved on the outer wall of the transmission rod, a truncated cone-shaped protrusion slidably sleeved on the outer wall of the lower part of the transmission rod, a limiting tube fixedly arranged on the outer wall of the top of the stopper block and a plurality of stirring plates fixedly arranged on the outer wall of the stopper block, a mounting mechanism is arranged at the lower part of the mixing box, the mounting mechanism comprises a mounting ring and four mounting blocks, Four lifting assemblies are provided on the outer wall of the mounting ring, and the lifting assemblies include a lifting cylinder and a lifting block. A reset assembly is provided on the upper part of the rotating shaft, and the reset assembly includes a fixing ring connected to the outer wall of the bottom of the box cover by bolts, a limiting ring fixed on the outer wall of the bottom of the fixing ring, a reset spring sleeved on the outer wall of the limiting ring and a retaining ring abutting against the outer wall of the top end of the limiting tube. A unloading mechanism is provided at the lower part of the mixing box, and the unloading mechanism includes a conveying pipe, a unloading motor connected to the outer wall of one side of the conveying pipe by bolts, a conveying shaft connected to the outer wall of one end of the output shaft of the unloading motor by a coupling, and a spiral blade fixed on the outer wall of the conveying shaft.

[0009] Preferably, the box cover is connected to the top outer wall of the mixing box by bolts, and a feed hopper is fixedly provided on the bottom outer wall of the box cover.

[0010] Preferably, a mounting bracket is fixed on the top outer wall of the box cover, and the motor is connected to the top outer wall of the mounting bracket by bolts, the upper part of the rotating shaft passes through and is connected to the bottom outer wall of the box cover by a bearing, and the transmission rod is fixed on the bottom outer wall of the rotating shaft.

[0011] Preferably, the stop block abuts against the lower inner wall of the mixing box, and the protrusion is fixed on the bottom outer wall of the stop block, the limiting tube is slidably sleeved on the lower outer wall of the rotating shaft, and the stirring blade is fixed on the outer wall of the limiting tube.

[0012] Through the above scheme, the rotation of the motor output shaft drives the rotating shaft and the transmission rod to rotate, and the transmission rod drives the blocking block, the limiting tube and multiple stirring blades to rotate. The stirring blades flip the raw materials in the mixing box to the upper part of the mixing box, and stir and mix the raw materials during the flipping process.

[0013] Preferably, the mounting ring is fixed on the lower outer wall of the mixing box, and four mounting blocks are respectively fixed on the outer wall of the mounting ring, the lifting cylinder is connected to the outer wall of the mounting block by bolts, and the lifting block is fixed on the outer wall of one end of the lifting cylinder piston rod, four through holes are opened on the lower outer wall of the mixing box, and the lifting block is slidably sleeved in the through holes.

[0014] Preferably, the fixing ring and the limiting ring are rotatably mounted on the upper outer wall of the rotating shaft, and the retaining ring is slidably sleeved on the upper outer wall of the rotating shaft.

[0015] Through the above scheme, the lifting block is driven to move by the movement of the lifting cylinder piston rod, and the lifting block contacts the protrusion and lifts the protrusion and the material stop block, so that the material stop block, the protrusion, the limit tube and the retaining ring rise, and the retaining ring squeezes the return spring. At the same time, there is a certain gap between the material stop block and the lower inner wall of the mixing box, so that the raw material is discharged from the gap. After the raw material is completely discharged, the lifting cylinder piston rod is reset, and then the retaining ring makes the material stop block contact with the lower inner wall of the mixing box under the action of the return spring tension, thereby blocking the raw material.

[0016] Preferably, a connecting pipe is fixedly provided on the inner wall at one end of the top of the conveying pipe, and the connecting pipe is connected to the outer wall of the bottom of the mixing box by bolts, an output pipe is fixedly provided on the inner wall at one end of the bottom of the conveying pipe, and one end of the conveying shaft is connected to the inner wall of one side of the conveying pipe by a bearing.

[0017] Through the above scheme, the conveying shaft and the spiral blades are driven to rotate by the output shaft of the unloading motor. The rotation of the spiral blades conveys the raw materials entering the conveying pipe, and then the raw materials are discharged from the output pipe, so that the raw materials directly enter the screw extruder.

[0018] The beneficial effects of the utility model are:

[0019] 1. The motor output shaft rotates to drive the rotating shaft and the transmission rod to rotate. The transmission rod drives the blocking block, the limit tube and multiple stirring blades to rotate. The stirring blades flip the raw materials in the mixing box to the upper part of the mixing box, and stir and mix the raw materials during the turning process. The raw materials can be fully stirred and mixed to prevent uneven mixing of the raw materials and improve the mixing effect.

[0020] 2. The output shaft of the unloading motor rotates to drive the conveying shaft and the spiral blades to rotate. The rotation of the spiral blades will convey the raw materials entering the conveying pipe, and then the raw materials will be discharged from the output pipe, so that the raw materials can directly enter the screw extruder. The raw materials can be conveyed in real time and discharged directly into the screw extruder, which improves practicality.

[0021] In summary, the utility model can fully stir and mix the raw materials, prevent uneven mixing of the raw materials, improve the mixing effect, can transport the raw materials in real time, and discharge the raw materials directly into the screw extruder, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model is a schematic diagram of the overall front view of a raw material mixing device for producing automobile seals.

[0023] Figure 2 The utility model is a schematic diagram of the main cross-sectional structure of a raw material mixing device for producing automobile seals.

[0024] Figure 3 The utility model discloses a main structural diagram of a power mechanism of a raw material mixing device for producing automobile seals.

[0025] Figure 4 This is a schematic diagram of the main structure of a stirring assembly of a raw material mixing device for producing automobile seals proposed by the utility model.

[0026] Figure 5 The utility model discloses a schematic diagram of the structure of a material blocking block and a protruding block in a bottom view of a raw material mixing device for producing automobile seals.

[0027] Figure 6 The utility model discloses a front view structural diagram of an installation mechanism of a raw material mixing device for producing automobile seals.

[0028] Figure 7 The utility model discloses a schematic diagram of the main structure of a lifting assembly of a raw material mixing device for producing automobile seals.

[0029] Figure 8 The utility model proposed Figure 2 Enlarged structural diagram at A in the middle.

[0030] Fig. 9 This is an exploded view of a reset component of a raw material mixing device for producing automobile seals proposed by the utility model.

[0031] Fig.10 The utility model is a schematic diagram of the cross-sectional structure of a discharge mechanism of a raw material mixing device for producing automobile seals.

[0032] In the figure: 1. mixing box; 2. box cover; 3. feed hopper; 4. power mechanism; 401. mounting frame; 402. motor; 403. rotating shaft; 404. transmission rod; 5. stirring assembly; 501. material stop block; 502. bump; 503. limit tube; 504. stirring blade; 6. mounting mechanism; 601. mounting ring; 602. mounting block; 7. lifting assembly; 701. lifting cylinder; 702. lifting block; 8. reset assembly; 801. fixing ring; 802. limit ring; 803. reset spring; 804. retaining ring; 9. unloading mechanism; 901. conveying pipe; 902. connecting pipe; 903. output pipe; 904. unloading motor; 905. conveying shaft; 906. spiral blade. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0034] Example 1, reference Figure 1-5 A raw material mixing device for producing automobile seals comprises a mixing box 1 and a box cover 2, the box cover 2 is connected to the top outer wall of the mixing box 1 by bolts, a feed hopper 3 is fixedly arranged on the bottom outer wall of the box cover 2, a power mechanism 4 is arranged on the top of the box cover 2, the power mechanism 4 comprises a motor 402, a rotating shaft 403 connected to the outer wall of the bottom end of the output shaft of the motor 402 by a coupling, and a transmission rod 404 of a regular hexagonal structure, a mounting frame 401 is fixedly arranged on the top outer wall of the box cover 2, the motor 402 is connected to the top outer wall of the mounting frame 401 by bolts, the upper part of the rotating shaft 403 penetrates and is connected to the bottom outer wall of the box cover 2 by a bearing, and the transmission rod 404 Fixed on the outer wall of the bottom end of the rotating shaft 403, a stirring assembly 5 is provided in the mixing box 1, and the stirring assembly 5 includes a blocking block 501 slidably mounted on the outer wall of the transmission rod 404, a truncated cone-shaped protrusion 502 slidably mounted on the outer wall of the lower part of the transmission rod 404, a limiting tube 503 fixed on the outer wall of the top of the blocking block 501 and a plurality of stirring plates 504 fixed on the outer wall of the blocking block 501. The blocking block 501 abuts against the lower inner wall of the mixing box 1, the protrusion 502 is fixed on the outer wall of the bottom of the blocking block 501, the limiting tube 503 is slidably mounted on the outer wall of the lower part of the rotating shaft 403, and the stirring plates 504 are fixed on the outer wall of the limiting tube 503.

[0035] Example 2, reference Figure 6-9 A raw material mixing device for producing automobile seals also includes a mounting mechanism 6, the mounting mechanism 6 includes a mounting ring 601 and four mounting blocks 602, the mounting ring 601 is fixedly mounted on the outer wall of the lower part of the mixing box 1, the four mounting blocks 602 are respectively fixedly mounted on the outer wall of the mounting ring 601, and four lifting components 7 are arranged on the outer wall of the mounting ring 601, the lifting component 7 includes a lifting cylinder 701 and a lifting block 702, the lifting cylinder 701 is connected to the outer wall of the mounting block 602 by bolts, the lifting block 702 is fixedly mounted on the outer wall of one end of the piston rod of the lifting cylinder 701, and the lower part of the mixing box 1 is fixedly mounted on the outer wall of the mixing box 1. Four through holes are opened on the outer wall of the box cover 2, and the lifting block 702 is slidably mounted in the through holes. A reset assembly 8 is provided on the upper part of the rotating shaft 403, and the reset assembly 8 includes a fixing ring 801 connected to the outer wall of the bottom of the box cover 2 by bolts, a limiting ring 802 fixed on the outer wall of the bottom of the fixing ring 801, a reset spring 803 mounted on the outer wall of the limiting ring 802, and a retaining ring 804 abutting against the outer wall of the top end of the limiting tube 503. The fixing ring 801 and the limiting ring 802 are rotatably installed on the upper outer wall of the rotating shaft 403, and the retaining ring 804 is slidably mounted on the upper outer wall of the rotating shaft 403.

[0036] Example 3, reference Fig.10 A raw material mixing device for producing automobile seals also includes a discharge mechanism 9, which includes a conveying pipe 901, a discharge motor 904 connected to the outer wall of one side of the conveying pipe 901 by bolts, a conveying shaft 905 connected to the outer wall of one end of the output shaft of the discharge motor 904 by a coupling, and a spiral blade 906 fixed on the outer wall of the conveying shaft 905. A connecting pipe 902 is fixed on the inner wall of one end of the top of the conveying pipe 901, and the connecting pipe 902 is connected to the outer wall of the bottom of the mixing box 1 by bolts. An output pipe 903 is fixed on the inner wall of one end of the bottom of the conveying pipe 901, and one end of the conveying shaft 905 is connected to the inner wall of one side of the conveying pipe 901 through a bearing.

[0037] Working principle: the sealing material is added into the mixing box 1 through the feed hopper 3, the output shaft of the motor 402 rotates to drive the rotating shaft 403 and the transmission rod 404 to rotate, the transmission rod 404 drives the material blocking block 501, the limiting tube 503 and the plurality of stirring blades 504 to rotate, the stirring blades 504 turn the material in the mixing box 1 to the upper part of the mixing box 1, and stir and mix the material in the material turning process, after the mixing is completed, the piston rod of the lifting cylinder 701 moves to drive the lifting block 702 to move, the lifting block 702 contacts the protrusion 502 and lifts the protrusion 502 and the material blocking block 501, so that the material blocking block 501, the protrusion 502, the limiting tube 503 and the retaining ring 80 4 rises, the retaining ring 804 squeezes the return spring 803, and at the same time there is a certain gap between the blocking block 501 and the lower inner wall of the mixing box 1, so that the raw material is discharged from the gap. After the raw material is completely discharged, the piston rod of the lifting cylinder 701 is reset, and then the retaining ring 804 makes the blocking block 501 contact with the lower inner wall of the mixing box 11 under the action of the tension of the return spring 803, thereby blocking the raw material, and the output shaft of the unloading motor 904 rotates to drive the conveying shaft 905 and the spiral blade 906 to rotate, and the spiral blade 906 rotates to convey the raw material entering the conveying pipe 901, and then the raw material is discharged from the output pipe 903, so that the raw material directly enters the screw extruder.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A raw material mixing device for producing automobile seals, comprising a mixing box (1) and a box cover (2), characterized in that: A power mechanism (4) is provided on the top of the box cover (2), and the power mechanism (4) comprises a motor (402), a rotating shaft (403) connected to the outer wall of the bottom end of the output shaft of the motor (402) through a coupling, and a transmission rod (404) of a regular hexagonal structure; The mixing box (1) is provided with a stirring assembly (5), the stirring assembly (5) comprising a material stopper (501) slidably mounted on the outer wall of the transmission rod (404), a truncated cone-shaped protrusion (502) slidably mounted on the lower outer wall of the transmission rod (404), a limiting tube (503) fixedly mounted on the top outer wall of the material stopper (501), and a plurality of stirring blades (504) fixedly mounted on the outer wall of the material stopper (501); The lower part of the mixing box (1) is provided with a mounting mechanism (6), and the mounting mechanism (6) comprises a mounting ring (601) and four mounting blocks (602); Four lifting assemblies (7) are provided on the outer wall of the mounting ring (601), and the lifting assemblies (7) include a lifting cylinder (701) and a lifting block (702); A reset assembly (8) is provided on the upper part of the rotating shaft (403), and the reset assembly (8) comprises a fixing ring (801) connected to the outer wall of the bottom of the box cover (2) by bolts, a limiting ring (802) fixed on the outer wall of the bottom of the fixing ring (801), a reset spring (803) sleeved on the outer wall of the limiting ring (802), and a retaining ring (804) abutting against the outer wall of the top end of the limiting tube (503); A discharge mechanism (9) is provided at the lower part of the mixing box (1), and the discharge mechanism (9) comprises a conveying pipe (901), a discharge motor (904) connected to the outer wall of one side of the conveying pipe (901) by bolts, a conveying shaft (905) connected to the outer wall of one end of the output shaft of the discharge motor (904) by a coupling, and a spiral blade (906) fixedly arranged on the outer wall of the conveying shaft (905).

2. A raw material mixing device for producing automobile seals according to claim 1, characterized in that: The box cover (2) is connected to the top outer wall of the mixing box (1) by means of bolts, and a feed hopper (3) is fixedly arranged on the bottom outer wall of the box cover (2).

3. A raw material mixing device for producing automobile seals according to claim 1, characterized in that: A mounting frame (401) is fixedly arranged on the top outer wall of the box cover (2), and the motor (402) is connected to the top outer wall of the mounting frame (401) by means of bolts. The upper part of the rotating shaft (403) passes through and is connected to the bottom outer wall of the box cover (2) by means of a bearing, and the transmission rod (404) is fixedly arranged on the bottom outer wall of the rotating shaft (403).

4. A raw material mixing device for producing automobile seals according to claim 1, characterized in that: The material-blocking block (501) abuts against the lower inner wall of the mixing box (1), and the protrusion (502) is fixedly mounted on the bottom outer wall of the material-blocking block (501), the limiting tube (503) is slidably mounted on the lower outer wall of the rotating shaft (403), and the stirring blade (504) is fixedly mounted on the outer wall of the limiting tube (503).

5. A raw material mixing device for producing automobile seals according to claim 1, characterized in that: The mounting ring (601) is fixedly mounted on the lower outer wall of the mixing box (1), and four mounting blocks (602) are respectively fixedly mounted on the outer wall of the mounting ring (601); the lifting cylinder (701) is connected to the outer wall of the mounting block (602) by bolts, and the lifting block (702) is fixedly mounted on the outer wall of one end of the piston rod of the lifting cylinder (701); four through holes are opened on the lower outer wall of the mixing box (1), and the lifting block (702) is slidably sleeved in the through holes.

6. A raw material mixing device for producing automobile seals according to claim 1, characterized in that: The fixing ring (801) and the limiting ring (802) are rotatably mounted on the upper outer wall of the rotating shaft (403), and the retaining ring (804) is slidably sleeved on the upper outer wall of the rotating shaft (403).

7. A raw material mixing device for producing automobile seals according to claim 1, characterized in that: A connecting pipe (902) is fixedly provided on the inner wall of one end of the top of the delivery pipe (901), and the connecting pipe (902) is connected to the outer wall of the bottom of the mixing box (1) by means of bolts. An output pipe (903) is fixedly provided on the inner wall of one end of the bottom of the delivery pipe (901), and one end of the delivery shaft (905) is connected to the inner wall of one side of the delivery pipe (901) by means of a bearing.

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