CN211807984U - Flat-laying single-layer multi-mold vulcanizing machine - Google Patents

Abstract

The utility model discloses a flat-laying single-layer multi-mold vulcanizing machine, which comprises a frame and a synchronous vulcanizing unit arranged on the frame, wherein the synchronous vulcanizing unit comprises two vulcanizing mold cavities positioned at the same horizontal height, a middle beam capable of moving along the vertical direction, a lower seat plate fixedly arranged on the frame and horizontally arranged, and a central mechanism arranged in the vulcanizing mold cavities; the middle beam is provided with a lifting mechanism for controlling the height position of the middle beam; the frame is provided with a pressurizing assembly which can apply vertical downward acting force to the middle beam. This tiled single-layer multimode vulcanizer can realize the synchronous die opening and closing of a plurality of vulcanization die cavitys fast, and it is efficient, the productivity is high, the energy consumption is few to vulcanize, and device simple structure, hydro-cylinder are small in quantity, and the pipeline is arranged simply, and the operation is simple and easy.

Description

Flat-laying single-layer multi-mold vulcanizing machine

Technical Field

The utility model relates to a vulcanizer technical field especially relates to tiled individual layer multimode vulcanizer.

Background

With the acceleration of modern life rhythm, the popularity of vehicles is higher and higher, and tires have become a necessity. The tire vulcanizing chamber is one of important processes in the tire production process, and the improvement of the vulcanizing effect and the shortening of the vulcanizing time can effectively reduce the tire production cost and improve the production efficiency.

In order to improve the vulcanization efficiency, a multi-film vulcanizing machine can be adopted for tire vulcanization, a four-die vulcanizing machine in the prior art adopts an upper layer, a lower layer, a left layer and a right layer, and the four-die vulcanizing machine adopts a mode of opening and closing a die and locking the die by a plurality of groups of oil cylinders, the mode is complex in pipeline arrangement, complex in structure, complex in operation, higher in production cost, long in mold opening and closing stroke, the upper layer and the lower layer of vulcanizing die cavities can not move synchronously, the rapid and synchronous opening and closing of the die can not be realized, the vulcanization efficiency is low, the productivity.

Disclosure of Invention

The utility model aims at the above problem, provide tiled individual layer multimode vulcanizer, this tiled individual layer multimode vulcanizer can realize the synchronous die opening and shutting of a plurality of vulcanization die cavitys fast, and it is efficient to vulcanize, the productivity is high, the energy consumption is few, and installs simple structure, hydro-cylinder small in quantity, and the pipeline is arranged simply, operates simply.

In order to achieve the above object, the utility model discloses a technical scheme be:

a flat-laying type single-layer multi-mold vulcanizing machine comprises a rack and a synchronous vulcanizing unit arranged on the rack, wherein the synchronous vulcanizing unit comprises two vulcanizing mold cavities positioned at the same horizontal height, a middle beam capable of moving along the vertical direction, a lower seat plate fixedly arranged on the rack and horizontally arranged, and a central mechanism; the middle beam is provided with a lifting mechanism for controlling the height position of the middle beam, the lifting mechanism comprises a mold opening and closing oil cylinder with a piston rod linked with the middle beam, and the piston rod of the mold opening and closing oil cylinder is vertically arranged downwards; the frame is provided with a pressurizing assembly capable of applying vertical downward acting force to the middle beam, the pressurizing assembly comprises a power cylinder installed on the frame, and a piston rod of the power cylinder is vertically arranged downward and can apply pressure to the upper surface of the middle beam.

Preferably, the lifting mechanism further comprises a guide assembly for guiding the middle beam to move along the vertical direction, the guide assembly comprises a vertical guide rail mounted on the frame, and a first sliding block in sliding fit with the vertical guide rail, and the first sliding block is fixedly mounted on the middle beam.

Preferably, the lifting mechanism further comprises a positioning component used for fixing the height position of the middle beam during mold opening, the positioning component comprises a positioning pin and a positioning pin hole matched with the positioning pin, the positioning pin hole is formed in the vertical guide rail, a positioning pin driving oil cylinder body used for controlling the positioning pin to go in and out of the positioning pin hole is fixedly mounted on the middle beam, and the positioning pin is fixedly connected with a piston rod of the positioning pin driving oil cylinder.

Preferably, the lower surface of the middle beam is fixedly provided with a horizontally arranged upper supporting plate, the upper hot plates on the top surfaces of the two upper dies are both arranged on the lower surface of the upper supporting plate, and an upper heat insulation plate is arranged between the upper hot plates and the upper supporting plate; the lower hot plates on the bottom surfaces of the two lower dies are arranged on the upper surface of the lower seat plate, and a lower heat insulation plate is arranged between the lower hot plates and the lower seat plate.

Preferably, the pressurizing assembly further comprises a horizontal guide rail fixedly mounted on the frame, a second slider in sliding fit with the horizontal guide rail, a slider driving part for controlling the position of the second slider on the horizontal guide rail, and a mold adjusting part with a top surface capable of abutting against the piston of the power cylinder, the cylinder body of the power cylinder is fixedly connected with the second slider and can move to the position right above the mold adjusting part along the horizontal guide rail under the control of the slider driving part, the mold adjusting part is vertically arranged, and the bottom surface of the mold adjusting part is fixedly mounted at the center of the upper surface of the intermediate beam.

Preferably, the central mechanism comprises an upper ring driving unit, a lower ring driving unit and two branch units arranged at the same horizontal height, the two branch units are respectively arranged in the two vulcanizing mold cavities, the lower ring oil cylinder is fixedly arranged on a vulcanizing machine frame, and each branch unit comprises a steam pipeline, a capsule upper ring and a capsule lower ring which are horizontally arranged; the lower ring driving unit comprises two lower ring cylinders vertically arranged at the same horizontal height, a lower ring beam fixedly connected with the lower end parts of the two lower ring cylinders, and a lower ring oil cylinder driving the lower ring beam to lift, wherein the lower ring oil cylinder is fixedly arranged on a vulcanizing machine frame, the two lower ring cylinders are respectively sleeved with a capsule lower ring, and the two lower ring cylinders are respectively provided with a steam pipeline; the ring fitting driving unit comprises two vertical ring fitting connecting rods arranged at the same horizontal height, a ring fitting cross beam arranged at the lower end part of each ring fitting connecting rod and fixedly connected with the ring fitting cross beam, and drives the ring fitting oil cylinder to lift the ring fitting cross beam, wherein the two ring fitting connecting rods are respectively arranged in one lower ring barrel in a penetrating manner, the capsule is arranged on the ring fitting and is arranged above the upper end part of the lower ring barrel, and is fixedly connected with the upper end part of the ring fitting connecting rod, vertical long holes are formed in the side wall of the lower ring barrel, the two end parts of the lower ring cross beam are respectively inserted into the vertical long holes of the two lower ring barrels and can be followed by the vertical long holes to.

Preferably, the connecting assembly comprises a vertically arranged center sleeve, the upper ring oil cylinder body is fixedly arranged on the lower port of the center sleeve, a piston rod of the upper ring oil cylinder is vertically and upwards arranged and penetrates into the central sleeve, an upper port of the central sleeve is fixedly arranged on the bottom surface of the lower ring beam, the upper end opening of the lower ring beam corresponding to the central sleeve is provided with a through hole, a vertical connecting rod is arranged in the central sleeve in a penetrating way, the upper end part of the vertical connecting rod penetrates through the through hole to be fixedly connected with the bottom surface of the upper ring cross beam, the lower end part of the vertical connecting rod is fixedly connected with the upper end part of a piston rod of the upper ring oil cylinder, the vertical connecting rod, the piston rod of the upper ring oil cylinder and the central sleeve are coaxially arranged, the two upper ring connecting rods are symmetrically arranged on two sides of the central sleeve, and the lower ring cylinder and the upper ring connecting rods are coaxially arranged in the central axis.

As preferred, the lower ring hydro-cylinder is located center sleeve below, the vertical upwards setting of piston rod and fixed connection of lower ring hydro-cylinder center sleeve, the lower ring hydro-cylinder is established to two, and two lower ring hydro-cylinders symmetries are located center sleeve's axis both sides, and the piston rod upper end of two lower ring hydro-cylinders passes through horizontal connecting rod fixed connection, horizontal connecting rod fixed connection the hydro-cylinder body of fitting with a contraceptive ring, the equal level setting of crossbeam, lower ring crossbeam and horizontal connecting rod of fitting with a contraceptive ring, the crossbeam of fitting with a contraceptive ring, horizontal connecting rod, lower ring section of thick bamboo, the connecting rod of fitting with a contraceptive ring, center sleeve's axis is located same vertical plane.

Preferably, the upper ring connecting rod and the upper ring cross beam are connected through a threaded structure; the lower ring beam is connected with the lower ring barrel through a threaded structure; the upper ring cross beam is connected with the upper end part of the vertical connecting rod through a threaded structure; the lower end part of the vertical connecting rod is connected with a piston rod of the upper ring oil cylinder through a threaded structure; the two ends of the transverse connecting rod are connected with the piston rod of the lower ring oil cylinder through a threaded structure; the outer wall of the upper ring oil cylinder body is provided with external threads, the center of the transverse connecting rod is provided with a screw hole matched with the external threads, and the upper ring oil cylinder body is connected with the transverse connecting rod through a threaded structure.

Preferably, the synchronous vulcanization unit is provided in plurality, and the vulcanization cavities thereof are all located at the same level.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect: the utility model discloses a quick synchronous die opening and closing of a plurality of vulcanization die cavitys of realization of tiled individual layer multimode vulcanizer ability, it is efficient, the productivity is high, the energy consumption is few to vulcanize, and installs simple structure, hydro-cylinder small in quantity, and the pipeline is arranged simply, and the operation is simple and easy.

Drawings

FIG. 1 is a schematic structural view of a synchronous vulcanization unit of a flat-type single-layer multi-mold vulcanizer of the present invention;

FIG. 2 is a schematic view of the mold closing state of the synchronous vulcanizing unit of the present invention;

FIG. 3 is a schematic view of the mold opening state of the synchronous vulcanizing unit of the present invention;

fig. 4 is a schematic structural view of the center mechanism of the present invention;

fig. 5 is a schematic view of the overall structure of the center mechanism of the present invention;

in the above figures: 1-frame, 2-mould adjusting part, 3-center mechanism, 31-upper ring driving unit, 311-upper ring connecting rod, 312-upper ring beam, 313-upper ring oil cylinder, 32-lower ring driving unit, 321-lower ring cylinder, 3211-vertical long hole, 322-lower ring beam, 3221-through hole, 323-lower ring oil cylinder, 33-branch unit, 331-steam pipeline, 332-upper capsule ring, 333-lower capsule ring, 34-center sleeve, 35-vertical connecting rod, 36-transverse connecting rod, 4-middle beam, 5-upper supporting plate, 6-upper heat insulation plate, 7-upper heat insulation plate, 8-upper mould, 9-lower mould, 10-lower heat insulation plate, 11-lower heat insulation plate, 12-lower seat plate, 13-power oil cylinder, 14-vertical guide rail, 15-first slide block, 16-mould opening and closing oil cylinder, 17-horizontal guide rail and 18-second slide block.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 3, a flat single-layer multi-mold vulcanizer comprises a frame 1 and a synchronous vulcanizing unit mounted on the frame 1, wherein the synchronous vulcanizing unit comprises two vulcanizing mold cavities located at the same horizontal height, a middle beam 4 capable of moving in the vertical direction, a lower seat plate 12 fixedly mounted on the frame 1 and horizontally arranged, and a central mechanism 3 of the vulcanizer, upper molds 8 of the two vulcanizing mold cavities are fixedly mounted below the middle beam 5 and located at the same horizontal height, and lower molds 9 of the two vulcanizing mold cavities are mounted above the lower seat plate 12 and located at the same horizontal height; the middle beam 4 is provided with a lifting mechanism for controlling the height position of the middle beam, the lifting mechanism comprises a mold opening and closing oil cylinder 16 with a piston rod linked with the middle beam, the piston rod of the mold opening and closing oil cylinder 16 is vertically arranged downwards, and the cylinder body of the mold opening and closing oil cylinder 16 is fixed on the frame 1; the frame is provided with a pressurizing assembly capable of applying vertical downward acting force to the middle beam 4, the pressurizing assembly comprises a power cylinder 13 installed on the frame 1, and a piston rod of the power cylinder 13 is vertically arranged downward and can apply pressure to the upper surface of the middle beam 4.

The working process of the vulcanizing machine of the embodiment can be briefly described as follows:

when the synchronous vulcanization unit needs to be closed, the mold opening and closing oil cylinder 16 of the lifting mechanism drives the middle beam to move downwards, so that the upper molds 8 of the two vulcanization mold cavities are synchronously driven to fall onto the lower mold 9, the power oil cylinder 13 of the pressurizing assembly applies pressure to the upper surface of the middle beam 4 to simultaneously provide the mold closing force of the two vulcanization mold cavities, namely the synchronous mold closing of the two vulcanization chambers of the synchronous vulcanization unit of the tiled single-layer multi-mold vulcanizing machine is realized, and the mold closing state is shown in fig. 2; when the synchronous vulcanization unit needs to be opened, the power oil cylinder 13 removes acting force on the middle beam 4, and the mold opening and closing oil cylinder 16 drives the middle beam to move upwards, so that the upper molds 8 of the two vulcanization mold cavities are synchronously driven to move upwards to the preset mold opening position, that is, the synchronous mold opening of the two vulcanization chambers of the synchronous vulcanization unit of the flat single-layer multi-mold vulcanizing machine is realized, and the mold opening state is shown in fig. 3.

The synchronous die opening and closing of two vulcanization chambers of the quick-speed realization synchronous vulcanization unit of above-mentioned tiled single-layer multimode vulcanizer can set up synchronous vulcanization unit, then can realize that a plurality of vulcanization are efficient, the productivity is high, the energy consumption is few, and device simple structure, hydro-cylinder are small in quantity, and the pipeline is arranged simply, and the operation is simple and easy.

Specifically, the synchronous vulcanization units are provided in plurality, and the vulcanization mold cavities thereof are all located at the same horizontal height.

Specifically, the lifting mechanism further comprises a guide assembly for guiding the middle beam 4 to move along the vertical direction, the guide assembly comprises a vertical guide rail 14 installed on the machine frame 1 and a first sliding block 15 in sliding fit with the vertical guide rail 14, and the first sliding block 15 is fixedly installed on the middle beam 4. The stability of the movement of the middle beam 4 can be ensured by the arrangement of the guide assembly, so that the stable operation of the equipment is further ensured.

Specifically, elevating system still includes and is used for fixing when the die sinking the locating part of 4 high positions of centre sill, locating part include the locating pin, and with the locating pin mouth of locating pin adaptation, the locating pin mouth seted up on the vertical guide rail 14, fixed mounting has the locating pin actuating cylinder body that is used for control on the centre sill 4 the locating pin discrepancy locating pin mouth, locating pin fixed connection locating pin actuating cylinder's piston rod. The positioning pin and the positioning pin hole are matched to fix the position of the middle beam 4 when the middle beam 4 stops moving, the load of the die opening and closing oil cylinder 16 is reduced, the safety risk caused by mistaken movement of the middle beam 4 when equipment fails is avoided, and the safety of the equipment is improved.

Specifically, an upper supporting plate 5 which is horizontally arranged is fixedly arranged on the lower surface of the middle beam 4, upper hot plates 7 on the top surfaces of two upper dies 8 are both arranged on the lower surface of the upper supporting plate 5, and an upper heat insulation plate 6 is arranged between each upper hot plate 7 and the upper supporting plate 5; the lower hot plates 10 on the bottom surfaces of the two lower dies 9 are arranged on the upper surface of a lower seat plate 12, and a lower heat insulation plate 11 is arranged between the lower hot plates 10 and the lower seat plate 12.

Specifically, the pressurizing assembly further comprises a horizontal guide rail 17 fixedly mounted on the frame 1, a second slider 18 in sliding fit with the horizontal guide rail 17, a slider driving part for controlling the position of the second slider 18 on the horizontal guide rail 17, and a mold adjusting part 2 with the top surface capable of abutting against a piston of the power cylinder 13, wherein a cylinder body of the power cylinder 13 is fixedly connected with the second slider 18 and can move to the position right above the mold adjusting part 2 along the horizontal guide rail 17 under the control of the slider driving part, the mold adjusting part 2 is vertically arranged, and the bottom surface of the mold adjusting part 2 is fixedly mounted at the center of the upper surface of the middle beam 4.

Specifically, the mold adjusting part 2 may be a vertically arranged cylindrical bearing part.

Specifically, the two vulcanization mold cavities are symmetrically arranged relative to the central axis of the mold adjusting part 2.

Specifically, the slide driving member may be any driving device capable of driving the second slide 18 to slide along the horizontal guide rail 17, such as an air cylinder, an oil cylinder, or an electric push rod disposed at one end of the horizontal guide rail 17 and having a piston rod disposed along the direction of the horizontal guide rail 17.

Specifically, as shown in fig. 4 and 5, the central mechanism 3 includes an upper ring driving unit 31, a lower ring driving unit 32, and two branch units 33 disposed at the same horizontal level, where the branch units 33 include a steam pipe 331, a horizontally disposed upper capsule ring 332, and a horizontally disposed lower capsule ring 333; the lower ring driving unit 32 comprises two lower ring cylinders 321 vertically arranged at the same horizontal height, a lower ring beam 322 fixedly connected with the lower end parts of the two lower ring cylinders 321, and a lower ring oil cylinder 323 for driving the lower ring beam 322 to ascend and descend, the two lower ring cylinders 321 are respectively sleeved with a capsule lower ring 333, the two lower ring cylinders 321 are respectively provided with a steam pipeline 331, and the two steam pipelines 331 are respectively used for connecting steam pipelines in a capsule; the upper ring driving unit 31 includes two vertical upper ring connecting rods 311 arranged at the same level, an upper ring cross beam 312 fixedly connected to the lower end portions of the two upper ring connecting rods 311, and an upper ring oil cylinder 313 for driving the upper ring cross beam 312 to ascend and descend, wherein the two upper ring connecting rods 11 are respectively arranged in one lower ring cylinder 321 in a penetrating manner, the capsule upper ring 332 is arranged above the upper end opening of the lower ring cylinder 321 and is fixedly connected to the upper end portion of the upper ring connecting rod 311, vertical long holes 3211 are formed in the side wall of the lower ring cylinder 321, two end portions of the lower ring cross beam 322 are respectively inserted into the vertical long holes 3211 of the two lower ring cylinders 321, and can move up and down along the vertical long holes 3211, and the upper ring oil cylinder 13 is fixedly connected to the lower ring cross beam 312.

The two branch units 33 adopting the central mechanism 3 are respectively arranged in the two vulcanizing mold cavities of the synchronous vulcanizing unit to replace two conventional central mechanisms, the two branch units 33 are respectively used for installing a capsule, the upper ring oil cylinder 313 can drive the capsule upper rings 332 of the two branch mechanisms to synchronously move through the upper ring cross beam 312 and the two upper ring connecting rods 311, the lower ring oil cylinder 323 can drive the capsule lower rings 333 of the two branch mechanisms to synchronously move through the lower ring cross beam 322 and the two lower ring cylinders 321, and simultaneously can drive the upper ring oil cylinder 313 cylinder body and the lower ring cross beam 312 to synchronously move, namely, the upper ring driving unit 31 and the lower ring driving unit 32 can realize synchronous driving control on the branch units 33 in the two vulcanizing mold cavities, so as to realize synchronous operation of the two vulcanizing mold cavities, compared with the two existing independent central mechanisms for controlling the two vulcanizing mold cavities, the equipment structure can be simplified by adopting the central mechanism 3, the weight of the equipment is reduced, the production cost of the equipment is reduced, the synchronous operation of the central mechanisms 3 of the two vulcanizing mold cavities can be conveniently controlled, and the production efficiency of the vulcanizing machine is improved.

Specifically, coupling assembling includes the central sleeve 34 of vertical setting, it is in to fit with a contraceptive ring hydro-cylinder 313 cylinder body fixed mounting on the port under central sleeve 34, the piston rod of fitting with a contraceptive ring hydro-cylinder 313 is vertical upwards to set up and penetrates in the central sleeve 34, the last port fixed mounting of central sleeve 34 is in on the bottom surface of lower ring crossbeam 322, through-hole 3221 has been seted up to the last port that lower ring crossbeam 322 corresponds central sleeve 34, wear to be equipped with vertical connecting rod 35 in the central sleeve 34, vertical connecting rod 35's upper end is worn out through-hole 3221 fixed connection go up ring crossbeam 312 bottom surface, the lower tip fixed connection of vertical connecting rod 312 the piston rod upper end of fitting with a contraceptive ring hydro-cylinder 313. The central sleeve 34 is provided to protect and guide the movement of the vertical link 35. The piston rods of the vertical connecting rods 35 and the upper ring oil cylinder 313 and the central axis of the central sleeve 34 are coaxially arranged, the two upper ring connecting rods 311 are symmetrically arranged on two sides of the central axis of the central sleeve 34, and the lower ring cylinder 321 and the upper ring connecting rods 311 are coaxially arranged in the central axis. The symmetrical arrangement mode can ensure the uniformity of the force application of the upper ring oil cylinder 313 to the two upper ring connecting rods 311 and enhance the stability of the operation of the equipment.

Specifically, lower ring hydro-cylinder 323 is located center sleeve 34 below, the vertical upwards setting of piston rod of lower ring hydro-cylinder 323 and fixed connection center sleeve 34, lower ring hydro-cylinder 323 is established to two, and two lower ring hydro-cylinders 323 symmetries locate the axis both sides of center sleeve 34, the piston rod upper end of two lower ring hydro-cylinders 323 passes through horizontal connecting rod 36 fixed connection, horizontal connecting rod 36 fixed connection the upper ring hydro-cylinder 313 cylinder body. The two symmetrically arranged lower ring oil cylinders 323 can ensure that acting force for realizing synchronous movement of the upper ring oil cylinder 313 and the two capsule lower rings 333 is provided, and the running stability of the equipment is enhanced. The equal level setting of upper ring crossbeam 312, lower ring crossbeam 322 and horizontal connecting rod 36, the axis of upper ring crossbeam 312, lower ring crossbeam 322, horizontal connecting rod 36, lower ring section of thick bamboo 321, upper ring connecting rod 311, center sleeve 34 is located same vertical plane, adopts the stability that above-mentioned setting mode can strengthen equipment operation.

Specifically, the upper ring link 311 and the upper ring cross beam 312 are connected through a threaded structure; the lower ring cross beam 322 is connected with the lower ring cylinder 321 through a threaded structure; the upper ring cross beam 322 is connected with the upper end part of the vertical connecting rod 35 through a thread structure; the lower end part of the vertical connecting rod 35 is connected with a piston rod of the upper ring oil cylinder 313 through a thread structure; the two end parts of the transverse connecting rod 36 are connected with the piston rod of the lower ring oil cylinder 323 through a thread structure; the outer wall of the cylinder body of the upper ring oil cylinder 313 is provided with an external thread, the center of the transverse connecting rod 36 is provided with a screw hole matched with the external thread, and the cylinder body of the upper ring oil cylinder 313 is connected with the transverse connecting rod 36 through a thread structure. And detachable connecting structures such as a threaded structure are adopted to connect all equipment parts, so that the equipment can be conveniently assembled, disassembled and overhauled. Besides the structure, other detachable or fixed connecting structures (such as welding) can be adopted to realize the connection of all the parts.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art can use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A flat-laying single-layer multi-mold vulcanizing machine is characterized by comprising a rack and a synchronous vulcanizing unit arranged on the rack, wherein the synchronous vulcanizing unit comprises two vulcanizing mold cavities positioned at the same horizontal height, a middle beam capable of moving along the vertical direction, a lower seat plate fixedly arranged on the rack and horizontally arranged, and a central mechanism; the middle beam is provided with a lifting mechanism for controlling the height position of the middle beam, the lifting mechanism comprises a mold opening and closing oil cylinder with a piston rod linked with the middle beam, and the piston rod of the mold opening and closing oil cylinder is vertically arranged downwards; the frame is provided with a pressurizing assembly capable of applying vertical downward acting force to the middle beam, the pressurizing assembly comprises a power cylinder installed on the frame, and a piston rod of the power cylinder is vertically arranged downward and can apply pressure to the upper surface of the middle beam.

2. The flat-type single-layer multi-mold vulcanizer of claim 1, wherein said lifting mechanism further comprises a guide assembly for guiding said intermediate beam in a vertical direction, said guide assembly comprising a vertical guide rail mounted on the frame, and a first slide block slidably engaged with said vertical guide rail, said first slide block being fixedly mounted on said intermediate beam.

3. The flat single-layer multi-mold vulcanizing machine according to claim 2, wherein the lifting mechanism further comprises a positioning component for fixing the height position of the intermediate beam during mold opening, the positioning component comprises a positioning pin and a positioning pin opening matched with the positioning pin, the positioning pin opening is formed in the vertical guide rail, a positioning pin driving oil cylinder body for controlling the positioning pin to go in and out the positioning pin opening is fixedly installed on the intermediate beam, and the positioning pin is fixedly connected with a piston rod of the positioning pin driving oil cylinder.

4. The flat single-layer multi-mold vulcanizer of claim 1, wherein the lower surface of the middle beam is fixedly provided with a horizontally arranged upper supporting plate, the upper hot plates on the top surfaces of the two upper molds are both arranged on the lower surface of the upper supporting plate, and an upper heat insulation plate is arranged between the upper hot plates and the upper supporting plate; the lower hot plates on the bottom surfaces of the two lower dies are arranged on the upper surface of the lower seat plate, and a lower heat insulation plate is arranged between the lower hot plates and the lower seat plate.

5. The flat-laying single-layer multi-mold vulcanizing machine according to claim 1, wherein the pressurizing assembly further comprises a horizontal guide rail fixedly mounted on the frame, a second slide block in sliding fit with the horizontal guide rail, a slide block driving component for controlling the position of the second slide block on the horizontal guide rail, and a mold adjusting component with a top surface capable of abutting against the piston of the power cylinder, the cylinder body of the power cylinder is fixedly connected with the second slide block and can move along the horizontal guide rail to a position right above the mold adjusting component under the control of the slide block driving component, the mold adjusting component is vertically arranged, and the bottom surface of the mold adjusting component is fixedly mounted at the center of the upper surface of the intermediate beam.

6. A flat-type single-layer multi-mold vulcanizer according to claim 1, wherein said central mechanism comprises an upper ring driving unit, a lower ring driving unit and two branch units disposed at the same horizontal level, the two branch units being disposed in the two vulcanizing mold cavities, respectively, said branch units comprising a steam pipe, a horizontally disposed upper bladder ring and a lower bladder ring; the lower ring driving unit comprises two lower ring cylinders vertically arranged at the same horizontal height, a lower ring beam fixedly connected with the lower end parts of the two lower ring cylinders, and a lower ring oil cylinder driving the lower ring beam to lift, wherein the lower ring oil cylinder is fixedly arranged on a vulcanizing machine frame, the two lower ring cylinders are respectively sleeved with a capsule lower ring, and the two lower ring cylinders are respectively provided with a steam pipeline; the ring fitting driving unit comprises two vertical ring fitting connecting rods arranged at the same horizontal height, a ring fitting cross beam arranged at the lower end part of each ring fitting connecting rod and fixedly connected with the ring fitting cross beam, and drives the ring fitting oil cylinder to lift the ring fitting cross beam, wherein the two ring fitting connecting rods are respectively arranged in one lower ring barrel in a penetrating manner, the capsule is arranged on the ring fitting and is arranged above the upper end part of the lower ring barrel, and is fixedly connected with the upper end part of the ring fitting connecting rod, vertical long holes are formed in the side wall of the lower ring barrel, the two end parts of the lower ring cross beam are respectively inserted into the vertical long holes of the two lower ring barrels and can be followed by the vertical long holes to.

7. The flat single-layer multi-mold vulcanizing machine according to claim 6, wherein the connecting assembly comprises a vertically arranged center sleeve, the upper ring cylinder body is fixedly arranged on the lower port of the center sleeve, the piston rod of the upper ring cylinder is vertically upwards arranged and penetrates into the center sleeve, the upper port of the center sleeve is fixedly arranged on the bottom surface of the lower ring beam, the lower ring beam is provided with a through hole corresponding to the upper port of the center sleeve, a vertical connecting rod is penetrated in the center sleeve, the upper end of the vertical connecting rod penetrates out of the through hole and is fixedly connected with the bottom surface of the upper ring beam, the lower end of the vertical connecting rod is fixedly connected with the upper end of the piston rod of the upper ring cylinder, the vertical connecting rod, the piston rod of the upper ring cylinder and the central axis of the center sleeve are coaxially arranged, and two upper ring connecting rods are symmetrically arranged on two sides of, the lower ring cylinder and the central axis of the upper ring connecting rod are coaxially arranged.

8. The flat-laying single-layer multi-mold vulcanizing machine according to claim 7, characterized in that the lower ring oil cylinders are arranged below the central sleeve, piston rods of the lower ring oil cylinders are vertically upwards arranged and fixedly connected with the central sleeve, the lower ring oil cylinders are arranged into two, and the two lower ring oil cylinders are symmetrically arranged on two sides of the central axis of the central sleeve, the upper end parts of the piston rods of the two lower ring oil cylinders are fixedly connected with each other through a transverse connecting rod, the upper ring oil cylinder body is fixedly connected with the transverse connecting rods, the upper ring cross beam, the lower ring cross beam and the transverse connecting rods are horizontally arranged, and the central axes of the upper ring cross beam, the lower ring cross beam, the transverse connecting rods, the lower ring cylinder, the upper ring connecting rods and the central sleeve.

9. The flat single-tier multi-mold vulcanizer of claim 8, wherein said upper ring link and upper ring cross member are connected by a threaded structure; the lower ring beam is connected with the lower ring barrel through a threaded structure; the upper ring cross beam is connected with the upper end part of the vertical connecting rod through a threaded structure; the lower end part of the vertical connecting rod is connected with a piston rod of the upper ring oil cylinder through a threaded structure; the two ends of the transverse connecting rod are connected with the piston rod of the lower ring oil cylinder through a threaded structure; the outer wall of the upper ring oil cylinder body is provided with external threads, the center of the transverse connecting rod is provided with a screw hole matched with the external threads, and the upper ring oil cylinder body is connected with the transverse connecting rod through a threaded structure.

10. A flat-type single-layer multi-mold vulcanizer according to claim 1, wherein said synchronous vulcanizing units are provided in plurality, and the vulcanizing cavities thereof are all located at the same level.

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