A rubber track vulcanization forming machine and a rubber track vulcanization forming process

Abstract

The application discloses a rubber track vulcanization forming machine and a rubber track vulcanization forming process. The rubber track vulcanization forming machine comprises, from top to bottom, an upper hot plate, an upper mold upper plate, an upper mold lower plate, a middle hot plate, a lower mold upper plate, a lower mold lower plate and a lower hot plate. The upper mold upper plate, the upper mold lower plate, the lower mold upper plate and the lower mold lower plate are respectively provided with a first section forming mold area and a second section forming mold area. Two groups of independent tensioning assemblies are respectively arranged at the two ends of the middle hot plate, and a hot plate moving mechanism is arranged on the middle hot plate. The rubber track vulcanization forming machine and the rubber track vulcanization forming process have good working performance and save time and cost, are suitable for small tracks with small width and length, light weight and easy carrying, can be efficiently, continuously, stably and reliably operated and formed, and can complete the production of engineering tracks in one time on the same machine, which can be completed by multiple machines and multiple times.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rubber track production, in particular to a rubber track vulcanization forming machine and a rubber track vulcanization forming process. BACKGROUND

[0002] The existing rubber track forming process of the rubber track machine: the hot plate heating device is manually disconnected, the middle hot plate and the upper and lower molds are pulled out of the mold locking mechanism, the steel wire belt and the upper mold teeth are manually installed, the lower mold teeth are manually installed, the lower mold teeth are manually lifted to make the teeth enter the tooth grooves of the lower mold, the screw tensioning mechanism at both ends of the mold is manually twisted, and after the upper and lower teeth are evenly positioned and tensioned, the mold is manually moved into the mold locking mechanism. The existing process rubber track vulcanization forming machine is mostly two machines for two times of forming two sections to form a whole track, or one machine through a rotating device for two times of forming two sections to form a whole track.

[0003] The disadvantages of this process are: the hot plate heating needs to disconnect the hot plate heating device when taking the product, the positioning and tensioning of the steel wire belt are manually operated, the labor intensity of workers is large, the efficiency is low, the heat loss of the hot plate and the mold is large, the process is complicated, and the equipment and forming times are more.

[0004] Therefore, it is necessary to solve the above technical problems. SUMMARY

[0005] The present application provides a rubber track vulcanization forming machine and a rubber track vulcanization forming process, which provides a forming machine and a production process with good working performance and time cost saving, is suitable for small tracks with small width and length, is easy to carry, can be efficiently, continuously, stably and reliably operated and formed, and can complete the production of engineering tracks once on the same machine, which can be completed by multiple machines multiple times.

[0006] To achieve the above purpose, the technical scheme of the present application is:

[0007] A rubber track vulcanization forming machine, comprising an upper hot plate, an upper mold upper plate, an upper mold lower plate, a middle hot plate, a lower mold upper plate, a lower mold lower plate and a lower hot plate arranged in sequence from top to bottom, the upper hot plate is connected with the upper mold upper plate and can be lifted up and down, the middle hot plate is connected with the upper mold lower plate and the lower mold upper plate on the upper and lower surfaces respectively, and the lower hot plate is connected with the lower mold lower plate and can be lifted up and down; the upper mold upper plate, the upper mold lower plate, the lower mold upper plate and the lower mold lower plate are respectively provided with a first section forming mold area and a second section forming mold area; two groups of independent tensioning components are respectively arranged at the two ends of the middle hot plate, and a hot plate moving mechanism is arranged on the middle hot plate.

[0008] The rubber track vulcanization forming machine has the first segment forming die area and the second segment forming die area, and can complete the first segment forming and the second segment forming of the two tracks at the same time in the same machine and in the same vulcanization time. The forming machine is equivalent to a machine which can complete the whole track vulcanization once, thereby saving the production time and the equipment cost for the customers and improving the production efficiency by one time.

[0009] In a further optimization scheme, the middle heat plate is connected to the heat plate moving mechanism through a heat plate moving oil cylinder. The heat plate moving oil cylinder is connected to the middle heat plate through a guide seat and a guide rod to realize the extension and retraction of the middle heat plate and complete the function of the heat plate moving mechanism.

[0010] In a further optimization scheme, the machine frame and the upper single-wall hook device symmetrically arranged on the upper die upper plate of the machine frame are further provided. The upper single-wall hook device releases the track. The track is released through the automatic action of the upper single-wall hook device, which is high in efficiency, stable and reliable in action and saves labor.

[0011] In a further optimization scheme, the upper single-wall hook device includes two single-arm tension claws, a telescopic oil cylinder for driving the extension and retraction of the single-arm tension claws, a lifting oil cylinder for driving the lifting of the single-arm tension claws and a swing oil cylinder for driving the angle swing of the single-arm tension claws. The telescopic oil cylinder realizes the extension and retraction of the single-arm tension claws, the lifting oil cylinder realizes the lifting of the single-arm tension claws and the swing oil cylinder realizes the angle swing of the single-arm tension claws to facilitate the tensioning or releasing of the track.

[0012] In a further optimization scheme, the lower track positioning device is further provided. The lower track positioning device supports the steel belt in the track when the rubber track is not vulcanized, and positions and supports the rubber track after vulcanization to facilitate the releasing of the track.

[0013] In a further optimization scheme, the lower track positioning device includes a fixed frame, two groups of ejecting cylinders and two groups of positioning plates. The ejecting cylinders are arranged on the fixed frame, and the positioning plates are respectively connected to the piston rods of the ejecting cylinders. The positioning plates position the track through the extension and retraction of the ejecting cylinders, which is simple and reliable in structure.

[0014] In a further optimization scheme, the machine frame is further provided with a clamping oil cylinder and a locking oil cylinder. The upper heat plate is provided with an upper die plate, and the lower heat plate is provided with a lower die plate.

[0015] The upper part of the upper die plate and the lower part of the lower die plate are respectively connected to the clamping oil cylinder. The clamping oil cylinder respectively drives the upper die upper plate and the upper die lower plate and the lower die upper plate and the lower die lower plate to be clamped. The upper heat plate is connected to the locking oil cylinder. The locking oil cylinder realizes the locking between the clamping of the upper die upper plate and the upper die lower plate and the clamping of the lower die upper plate and the lower die lower plate.

[0016] A rubber track vulcanization forming process, applying the rubber track vulcanization forming machine of any of the above, comprising the following steps:

[0017] 1) Feeding and steel belt placement: in the extended state of the middle heat plate, the two parallel steel belts on the rubber track are placed on the corresponding positions of the first segment forming mold area on the inner side of the middle heat plate of the rubber track vulcanization forming machine, and other materials for preparing the track are placed;

[0018] 2) Tensioning and pressing: adjust the tension and position of the steel belt on the rubber track vulcanization forming machine, the middle heat plate is retracted into the mold closing area, the mold is closed and pressed, the steel belt is pressed together with the iron teeth and rubber for the first time, and the mold is opened after the vulcanization process is completed, and the middle heat plate is extended;

[0019] 3) Track transposition: the tensioning assembly is retracted, the first segment forming track is separated from the mold cavity, the track is rotated, and then placed on the corresponding position above the second segment forming mold area on the outer side of the middle heat plate;

[0020] 4) Second steel belt placement and feeding: the two parallel steel belts on the rubber track are placed on the corresponding positions of the first segment forming mold area on the inner side of the middle heat plate of the rubber track vulcanization forming machine; other materials for preparing the track are placed in the corresponding positions of the first segment forming mold area and the second segment forming mold area;

[0021] 5) Second pressing: adjust the tension and position of the steel belt on the rubber track vulcanization forming machine, the middle heat plate is retracted into the mold closing area, the mold is closed and pressed, and the first segment track and the second segment track are vulcanized and formed at the same time;

[0022] 6) Mold opening and product removal: after the vulcanization forming is completed, the mold is opened, the middle heat plate is removed, and the first segment track is removed in its entirety, and the second segment track is transferred to the corresponding position of the second segment forming mold area;

[0023] 7) After the product is removed and the mold is cleaned, repeat steps 3, 4, 5 and 6.

[0024] Further optimization scheme, in the first step, the positioning plate of the lower positioning device supports the steel belt upward.

[0025] Further optimization scheme, in the third step, the first segment forming track is separated from the mold cavity with the assistance of the single-arm tensioning claw.

[0026] Compared with the prior art, the present application has the following technical advantages:

[0027] Due to the lower profit margins, higher production volumes, diverse models, and lighter weight of small crawlers, the innovation of this invention is to reduce the number of molding machines and molding time. The core of this invention is to simultaneously complete the first and second molding processes of two crawlers on the same machine and at the same time. This molding process and molding machine are essentially equivalent to one machine vulcanizing an entire crawler in one go.

[0028] This rubber track vulcanization molding machine and rubber track vulcanization molding process are suitable for small tracks with smaller width and length, which are light and easy to carry. They can operate and process them efficiently, continuously, stably and reliably. The production of engineering tracks that previously required multiple machines to complete multiple times can be completed at one time on the same machine. It has good working performance, saves time and costs, and doubles production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a perspective view of a specific embodiment of the rubber track vulcanization molding machine of the present invention;

[0030] Figure 2 yes Figure 1 State diagram of mold opening;

[0031] Figure 3 yes Figure 1 State diagram of mold closing;

[0032] Figure 4 1 is a state diagram of the rubber track in step 1 of the rubber track vulcanization molding process of the present invention;

[0033] Figure 5 1 is a state diagram of the rubber track in step 2 of the rubber track vulcanization molding process of the present invention;

[0034] Figure 6 It is a state diagram of the rubber track in steps 3 and 4 of the rubber track vulcanization molding process of the present invention;

[0035] Figure 7 This is a state diagram of the rubber track in steps 5 and 6 of the rubber track vulcanization molding process of the present invention.

[0036] In the figure: tensioning assembly 1, medium hot plate 2, hot plate moving cylinder 3, guide rod 4, guide seat 5, fixed hinge seat 6, movable hinge seat 7, single-arm tensioning claw 8, telescopic cylinder 9, lifting cylinder 10, swing cylinder 11, fixed frame 12, positioning plate 13, ejection cylinder 14, upper mold lower plate 15, lower mold upper plate 16, steel belt 17, first section crawler 18, second section crawler 19, upper mold upper plate 20, upper hot plate 21, lower mold lower plate 22, lower hot plate 23, hot plate moving mechanism 24, frame 25, upper single-wall hook device 26, lower ejector positioning device 27, mold closing cylinder 28, clamping cylinder 29, first section forming mold area 31, second section forming mold area 32, upper template 33, lower template 34. DETAILED DESCRIPTION

[0037] The present invention will be described in further detail below with reference to the embodiments in the accompanying drawings.

[0038] like Figures 1 to 7 As shown, a specific embodiment of the rubber track vulcanization molding machine and the rubber track vulcanization molding process of the present invention.

[0039] like Figures 1 to 3 As shown, the rubber track vulcanization molding machine of this embodiment includes an upper hot plate 21, an upper mold upper plate 20, an upper mold lower plate 15, a medium hot plate 2, a lower mold upper plate 16, a lower mold lower plate 22 and a lower hot plate 23 which are arranged in sequence from top to bottom. The upper hot plate 21 is connected to the upper mold upper plate 20 and is lifted up and down. The upper and lower surfaces of the medium hot plate 2 are respectively connected to the upper mold lower plate 15 and the lower mold upper plate 16. The lower hot plate 23 is connected to the lower mold lower plate 22 and is lifted up and down. The upper mold upper plate 20, the upper mold lower plate 15, the lower mold upper plate 16 and the lower mold lower plate 22 are respectively provided with a first section molding mold area 31 and a second section molding mold area 32. Two sets of independent tensioning components 1 are respectively provided at both ends of the medium hot plate 2, and a hot plate moving mechanism 24 is provided on the medium hot plate 2.

[0040] This rubber track vulcanization molding machine features a first-stage molding die area and a second-stage molding die area. This allows two tracks to be vulcanized simultaneously on the same machine at the same time. This machine effectively allows one machine to vulcanize an entire track at a time, saving customers time and equipment costs while doubling production efficiency. A hot plate moving mechanism moves the intermediate hot plate out of the mold clamping area, facilitating the release and removal of the track.

[0041] like Figure 1 As shown, the hot plate moving mechanism 24 is connected to the medium hot plate 2 through the hot plate moving cylinder 3. The hot plate moving cylinder 3 is connected to the medium hot plate 2 through the guide seat 5 and the guide rod 4 to realize the extension and retraction of the medium hot plate 2, completing the function of the hot plate moving mechanism 24.

[0042] like Figure 1 As shown, the rubber track vulcanization molding machine further includes a frame 25 and an upper single-wall hook device 26 provided on the frame 25 and symmetrically about the upper mold upper plate 20. The upper single-wall hook device 26 releases the track. The track is released by the automated action of the upper single-wall hook device 26, which is efficient, stable and reliable, and saves labor.

[0043] like Figure 1As shown, the upper single-wall hook device 26 includes two single-arm tensioning claws 8, a telescopic oil cylinder 9 driving the telescopic single-arm tensioning claws 8, a lifting oil cylinder 10 driving the lifting of the single-arm tensioning claws 8, and a swing oil cylinder 11 driving the angular swing of the single-arm tensioning claws 8. The telescopic oil cylinder 9 realizes the extension and retraction of the single-arm tensioning claws 8, the lifting oil cylinder 10 realizes the lifting and lowering of the single-arm tensioning claws 8, and the swing oil cylinder 11 realizes the angular swing of the single-arm tensioning claws 8 through the fixed hinge base 6 and the movable hinge base 7, so as to facilitate the tensioning or loosening of the track.

[0044] As shown in the drawings, Figure 1 The rubber track vulcanization forming machine further comprises a lower top positioning device 27 for positioning the lower track. The lower top positioning device 27 supports the steel belts in the track when the rubber track is not vulcanized, and positions and supports the rubber track after vulcanization to facilitate the loosening of the track.

[0045] As shown in the drawings, Figure 1 The lower top positioning device 27 comprises a fixed frame 12, two sets of ejection cylinders 14 and two sets of positioning plates 13. The ejection cylinders 14 are arranged on the fixed frame 12, and the positioning plates 13 are respectively connected to the piston rods of the ejection cylinders 14. The positioning plates 13 realize the positioning of the track through the extension and retraction of the ejection cylinders 14, and the structure is simple and reliable.

[0046] As shown in the drawings, Figure 1 The rubber track vulcanization forming machine further comprises four mold closing oil cylinders 28 and four mold locking oil cylinders 29. The upper part of the upper hot plate 21 is provided with an upper mold plate 33, and the lower part of the lower hot plate 23 is provided with a lower mold plate 34. The upper part of the upper mold plate 33 and the lower part of the lower mold plate 34 are respectively connected with the mold closing oil cylinders 28, and the mold closing oil cylinders 28 respectively drive the upper mold plate 20 and the lower mold plate 15 of the upper mold and the upper mold plate 16 and the lower mold plate 22 of the lower mold to be closed. The upper hot plate 21 is connected with the mold locking oil cylinder 29, and the mold locking oil cylinder 29 realizes the mold locking between the upper mold plate 20 and the lower mold plate 15 of the upper mold and the upper mold plate 16 and the lower mold plate 22 of the lower mold.

[0047] The application also discloses a rubber track vulcanization forming process, which applies the rubber track vulcanization forming machine and comprises the following steps:

[0048] 1) Feeding and steel belt placing: in the extended state of the middle hot plate 2, the two parallel steel belts 17 on the rubber track are respectively placed on the corresponding positions of the first segment forming mold area 31 on the inner side of the middle hot plate 2 of the rubber track vulcanization forming machine, and other materials for preparing the track are placed. The positioning plates 13 of the lower top positioning device 27 support the steel belts 17 upwards, and the state of the steel belts 17 is as shown in the drawings. Figure 4

[0049] ​2) Tensioning and pressing: adjust the tension and position of the steel belt 17 on the rubber track vulcanization forming machine, the middle hot plate 2 is retracted into the mold closing area, the mold is closed and pressed, the steel belt 17 is pressed together with the iron teeth and rubber for the first time, and the pressing and vulcanization process is completed. After opening the mold, the middle hot plate 2 is extended, and the rubber track after the vulcanization of the steel belt is shown in Figure 5 ;

[0050] 3) Track transposition: retract the tensioning assembly 1, the single-arm tensioning claw 8 assists in separating the first segment of the formed track 18 from the mold cavity, rotates the track, i.e. rotates the steel belts on both sides that have not been vulcanized and formed to the upper and lower surfaces, and then places them on the corresponding positions above the second segment forming mold area 32 on the outside of the middle hot plate 2 (as shown in Figure 6 ;

[0051] 4) Second steel belt placement and material feeding: place the two parallel steel belts 17 on the rubber track on the corresponding positions on the first segment forming mold area 31 on the inside of the middle hot plate 2 of the rubber track vulcanization forming machine (as shown in Figure 6 ;

[0052] 5) Second pressing: adjust the tension and position of the steel belt 17 on the rubber track vulcanization forming machine, the middle hot plate 2 is retracted into the mold closing area, the mold is closed and pressed, and the first segment track 18 and the second segment track 19 are vulcanized and formed at the same time (as shown in Figure 7 ;

[0053] 6) Mold opening and product removal: after the vulcanization and forming is completed, the mold is opened, the middle hot plate 2 is removed, and the two completed rubber tracks are shown in Figure 7 ;

[0054] 7) After the product is removed and the mold is cleaned, repeat steps 3, 4, 5, and 6.

[0055] The rubber track vulcanization forming process is reliable and stable, the forming process uses the tensioning assembly of the middle hot plate to simultaneously press the first segment of the steel belt and the rubber, and the second segment of the steel belt and the rubber; the production procedure is simple, the first segment track and the second segment track are simultaneously formed on the same machine; reduces the transportation time of the track between machines, saves working time, and improves production efficiency.

[0056] In summary, the application is made into actual samples and tested for multiple uses according to the description and drawings, and the test results prove that the application can achieve the intended purpose and has no doubt in practicability. The above examples are only used to facilitate the description of the application and do not limit the form thereof; any person with common knowledge in the art, without departing from the technical features and similar features disclosed by the application, can make equivalent embodiments by using the disclosed technical content for partial changes or modifications, which all belong to the protection scope of the application.

Claims

1. A rubber track vulcanization molding machine, characterized by: The invention comprises an upper heating plate (21), an upper mold upper plate (20), an upper mold lower plate (15), a middle heating plate (2), a lower mold upper plate (16), a lower mold lower plate (22) and a lower heating plate (23) which are arranged in sequence from top to bottom. The upper heating plate (21) is connected to the upper mold upper plate (20) and is lifted up and down. The upper and lower surfaces of the middle heating plate (2) are respectively connected to the upper mold lower plate (15) and the lower mold upper plate (16). The lower heating plate (23) is connected to the lower mold lower plate (22) and is lifted up and down. The upper mold upper plate (20), the upper mold lower plate (15), the lower mold upper plate (16) and the lower mold lower plate (22) are respectively provided with a first section forming mold area (31) and a second section forming mold area (32). Two sets of independent tensioning components (1) are respectively provided at both ends of the middle heating plate (2). A heating plate moving mechanism (24) is provided on the middle heating plate (2). It also includes a frame (25) and an upper single-wall hook device (26) arranged on the frame (25) symmetrically with respect to the upper mold upper plate (20), the upper single-wall hook device (26) being used to loosen the crawler track; the upper single-wall hook device (26) includes two single-arm tensioning claws (8), a telescopic oil cylinder (9) for driving the single-arm tensioning claws (8) to extend and retract, a lifting oil cylinder (10) for driving the lifting of the single-arm tensioning claws (8), and a swinging oil cylinder (11) for driving the swinging of the single-arm tensioning claws (8); It also includes a lower top positioning device (27) for positioning the lower crawler, the lower top positioning device (27) includes a fixed frame (12), two groups of ejection cylinders (14) and two groups of positioning plates (13), the ejection cylinders (14) are arranged on the fixed frame (12), and the positioning plates (13) are respectively connected to the piston rods of the ejection cylinders (14); The mold clamping oil cylinder (28) and the mold locking oil cylinder (29) are also included. The upper portion of the upper heating plate (21) is provided with an upper mold plate (33), and the lower portion of the lower heating plate (23) is provided with a lower mold plate (34). The upper portion of the upper mold plate (33) and the lower portion of the lower mold plate (34) are respectively connected to the mold clamping oil cylinder (28). The mold clamping oil cylinder (28) drives the upper mold upper plate (20) and the upper mold lower plate (15) and the lower mold upper plate (16) and the lower mold lower plate (22) to clamp the molds. The upper portion of the upper heating plate (21) is connected to the mold locking oil cylinder (29). The mold locking oil cylinder (29) realizes the clamping of the upper mold upper plate (20) and the upper mold lower plate (15) and the lower mold upper plate (16) and the lower mold lower plate (22).

2. The rubber track vulcanization molding machine according to claim 1, characterized in that: The hot plate moving mechanism (24) is connected to the medium hot plate (2) via a hot plate moving oil cylinder (3).

3. A rubber track vulcanization molding process, characterized in that: The rubber track vulcanization molding machine according to claim 1 or 2 comprises the following steps: 1) Material feeding and steel belt placement: When the medium-heat plate (2) is extended, the two parallel steel belts (17) on the rubber track are placed at corresponding positions on the first section forming mold area (31) inside the medium-heat plate (2) of the rubber track vulcanization molding machine, and other materials for preparing the track are placed; 2) Tensioning and pressing: The tension and position of the steel belt (17) are adjusted on the rubber track vulcanization molding machine, the medium-heat plate (2) is retracted into the mold clamping area, the mold is clamped, and the steel belt (17) is pressed together with the iron teeth and rubber for the first time. After the pressing and vulcanization process is completed, the mold is opened and the medium-heat plate (2) is extended; 3) Track repositioning: the tensioning assembly (1) is retracted, the first track section (18) is separated from the mold cavity, the track is rotated, and then placed on the outer side of the medium heating plate (2) at a corresponding position above the second section forming mold area (32); 4) Secondary steel belt placement and feeding: The two parallel steel belts (17) on the rubber track are placed at corresponding positions on the first section forming mold area (31) inside the medium heat plate (2) of the rubber track vulcanizing molding machine; other materials for preparing the track are placed in the corresponding positions of the first section forming mold area (31) and the second section forming mold area (32) in sequence; 5) Second pressing: the tension and position of the steel belt (17) are adjusted on the rubber track vulcanizing machine, the medium heat plate (2) is retracted into the mold clamping area, the mold is clamped, and the first track section (18) and the second track section (19) are vulcanized and molded at the same time; 6) Open the mold and remove the product: After the vulcanization molding is completed, the mold is opened, the medium heat plate (2) is removed, the first section of the crawler (18) that has been molded is taken out as a whole, and the second section of the crawler (19) is transferred to the corresponding position of the second section molding mold area (32); 7) After the product is removed and the mold is cleaned, repeat steps 3, 4, 5, and 6.

4. The rubber track vulcanization molding process according to claim 3, characterized in that: In step 1, the steel strip (17) is supported upward by the positioning plate (13) of the lower positioning device (27).

5. The rubber track vulcanization molding process according to claim 3, characterized in that: In step 3, the first track section (18) is separated from the mold cavity with the assistance of the single-arm tensioning claw (8).

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