Thermotechnical valve group for thermotechnical pipeline of vulcanizing machine

Abstract

The utility model discloses a thermotechnical valve group for a thermotechnical pipeline of a vulcanizing machine, which comprises a valve body, a valve rod is arranged in the valve body, the top end of the valve rod is fixedly connected with a hand wheel, the bottom of the hand wheel is fixedly connected with a positioning sleeve, the outer wall of one side of the positioning sleeve is provided with a groove, a supporting rod is fixedly connected in the groove, and the supporting rod is fixedly connected with the valve rod. One end of the supporting rod is fixedly connected with a traction plate, the bottom of one end of the traction plate is fixedly connected with a clamping rod, the valve body is provided with a plurality of clamping grooves corresponding to the clamping rod, the supporting rod is sleeved with a first spring, and the two ends of the first spring are fixedly connected with the traction plate and the inner wall of the groove respectively. According to the utility model, the valve rod positioning mechanism is arranged, so that the valve can be prevented from being accidentally opened by other uninformed personnel, and the smooth proceeding of pipeline maintenance work is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to vulcanizing machine valve group related product field, concretely is a kind of hot work valve group for vulcanizing machine hot work pipeline. BACKGROUND

[0002] Vulcanizing machine is a kind of machine for the vulcanization of various rubber and plastic, and it integrates the functions of preheating, automatic air discharge after feeding, pressure maintaining vulcanization, timing alarm, automatic mold opening, product mold removal and other functions required by rubber vulcanization process. It is generally controlled by PLC, and it can be automatically and manually operated. It can record the required process flow, remote operation and system management. Hot work is the abbreviation of engineering thermodynamics and heat transfer. Valve group is mainly divided into two valve groups, three valve groups and five valve groups.

[0003] For the manual shut-off valve, a corresponding valve stem is generally installed on the valve, and a handle is installed on the valve stem. When the user needs to close the valve, the valve stem can be rotated by the handle, and then the internal shut-off mechanism of the valve is driven by the valve stem to shut off the pipeline.

[0004] When the pipeline maintenance personnel need to maintain the pipeline (such as cleaning, repairing, replacing the pipeline, etc.), the shut-off valve needs to be closed, otherwise the pipeline maintenance work cannot be carried out. Most of the existing shut-off valves and handles are usually integrated, and the shut-off valve is easily opened by other unknowing personnel during the pipeline maintenance process of the maintenance personnel, which seriously affects the pipeline maintenance work of the maintenance personnel. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of hot work valve group for vulcanizing machine hot work pipeline to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: A hot work valve group for vulcanizing machine hot work pipeline, including the valve body, the valve body is equipped with the valve rod, the top of valve rod is fixedly connected with hand wheel, the bottom of hand wheel is fixedly connected with positioning sleeve, the outer wall of one side of positioning sleeve is equipped with recess, the recess is fixedly connected with support rod, one end of support rod is fixedly connected with traction plate, the bottom of one end of traction plate is fixedly connected with clamping rod, the valve body is equipped with a plurality of clamping grooves corresponding with clamping rod, the first spring is sleeved on the support rod, the both ends of first spring are fixedly connected with traction plate and recess inner wall respectively, the bottom of positioning sleeve is fixedly connected with support block, the support block is rotatably inserted with rotating rod, one end of rotating rod is fixedly connected with first gear, the second gear meshing with first gear is equipped above first gear, the shaft rod is fixedly inserted on the second gear, one end of shaft rod is rotatably connected with positioning sleeve, the other end of shaft rod is fixedly connected with cam, the other end of rotating rod is fixedly connected with rotating block, the one end of rotating block is slidably inserted with stop rod, the support block is equipped with a plurality of stop grooves corresponding with stop rod.

[0007] Preferably, one end of the stop rod is fixedly connected with a limiting sleeve, a second spring is sleeved on the stop rod, and the both ends of the second spring are respectively abutted with the limiting sleeve and the rotating block.

[0008] Preferably, the outer side wall surface of the cam is polished.

[0009] Preferably, the support block is provided with a through hole, a bearing is fixedly connected in the through hole, and the rotating rod is fixedly inserted in the bearing.

[0010] Preferably, the outer side wall of the rotating block is provided with a plurality of anti-skid lines arranged in an inclined manner.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The hot work valve group for vulcanizing machine hot work pipeline is rotated to rotate the rotating rod on the support block, at this time, the first gear on one end of the rotating rod will be engaged with the second gear to realize the rotation of the shaft rod, at the same time, the cam on one end of the shaft rod will abut against the traction plate to slide on the support rod to make the clamping rod out of the clamping groove, then the hand wheel on the valve rod is rotated to rotate the valve rod in the valve body, when the valve rod needs to be positioned, the rotating block is reversely rotated to separate the protruding end of the cam from the traction plate, at this time, the first spring in the stretching state pulls the traction plate to make the clamping rod enter the clamping groove again to realize the rotation fixation of the hand wheel, the valve rod positioning mechanism can prevent the valve from being accidentally opened by other unaware personnel, thereby effectively guaranteeing the smooth progress of the pipeline maintenance work. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1The utility model discloses a kind of hot work valve groups for vulcanizing machine hot work pipeline structure schematic diagram.

[0014] Fig. 2 The utility model discloses a kind of hot work valve groups for vulcanizing machine hot work pipeline A place enlarged view.

[0015] Fig. 3 The utility model discloses a kind of hot work valve groups for vulcanizing machine hot work pipeline B place enlarged view.

[0016] In the drawing: 1, valve body;2, valve stem;3, hand wheel;4, positioning sleeve;5, support rod;6, traction plate;7, clamping rod;8, first spring;9, support block;10, rotating rod;11, first gear;12, second gear;13, shaft;14, cam;15, rotating block;16, stop rod;17, limit sleeve;18, second spring;19, bearing. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0018] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0019] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected;It can be mechanical connection, can also be electrical connection;It can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0020] Please refer to Figs. 1-3The utility model provides a kind of hot work valve group for vulcanizing machine hot work pipeline, including valve body 1, valve stem 2 is equipped in valve body 1, the top end of valve stem 2 is fixedly connected with hand wheel 3, the bottom of hand wheel 3 is fixedly connected with positioning sleeve 4, recess is equipped on the outer wall of one side of positioning sleeve 4, support rod 5 is fixedly connected in recess, one end of support rod 5 is fixedly connected with traction plate 6, the bottom of one end of traction plate 6 is fixedly connected with clamping rod 7, multiple clamping grooves corresponding with clamping rod 7 are equipped on valve body 1, first spring 8 is sleeved on support rod 5, the both ends of first spring 8 are fixedly connected with traction plate 6 and recess inner wall respectively, the bottom of positioning sleeve 4 is fixedly connected with support block 9, rotating plug is set in the support block 9 of rotating plug 10, one end of rotating plug 10 is fixedly connected with first gear 11, second gear 12 meshing is equipped above first gear 11, shaft rod 13 is fixedly inserted on second gear 12, one end of shaft rod 13 is rotatably connected with positioning sleeve 4, the other end of shaft rod 13 is fixedly connected with cam 14, the other end of rotating plug 10 is fixedly connected with rotating block 15, sliding plug is set in the one end of rotating block 15 with stop rod 16, multiple stop slots corresponding with stop rod 16 are equipped on support block 9, specifically, rotating block 15 promotes rotating plug 10 to rotate on support block 9, at this time, first gear 11 on the one end of rotating plug 10 will be engaged with second gear 12 to realize the rotation of shaft rod 13, while cam 14 on the one end of shaft rod 13 will press traction plate 6 to slide on support rod 5 to make clamping rod 7 from clamping groove, then through the rotation of hand wheel 3 on valve stem 2 promotes the rotation of valve stem 2 in valve body 1, when needing to position valve stem 2, reverse rotating rotating block makes the protruding end of cam 14 separate from traction plate 6, at this time, first spring 8 in tensile state pulls traction plate 6 to make clamping rod 7 be clamped into clamping groove again to realize the rotation fixation of hand wheel 3.

[0021] In the embodiment, one end of stop rod 16 is fixedly connected with limit sleeve 17, second spring 18 is sleeved on stop rod 16, the both ends of second spring 18 are respectively abutted with limit sleeve 17 and rotating block 15, second spring 18 is convenient for stop rod 16 to be stably clamped in stop slot;The outer wall surface of cam 14 is polished, to reduce friction force when pressing;Support block 9 is equipped with through hole, bearing 19 is fixedly connected in through hole, rotating plug 10 is fixedly inserted in bearing 19, to support the rotation of rotating plug 10;The outer side wall of rotating block 15 is equipped with multiple anti-skid lines arranged obliquely, to avoid rotating slip.

[0022] Working principle: firstly, rotate the rotating block 15 to promote the rotating lever 10 to rotate on the supporting block 9, at this time, the first gear 11 on one end of the rotating lever 10 will mesh with the second gear 12 to realize the rotation of the shaft lever 13, at the same time, the cam 14 on one end of the shaft lever 13 will press the traction plate 6 to slide on the supporting rod 5 to make the clamping rod 7 out of the clamping groove, then rotate the hand wheel 3 on the valve rod 2 to promote the valve rod 2 to rotate in the valve body 1, when it is needed to position the valve rod 2, rotate the rotating block reversely to make the protruding end of the cam 14 separate from the traction plate 6, at this time, the first spring 8 in the stretching state pulls the traction plate 6 to make the clamping rod 7 enter into the clamping groove again to realize the rotation fixation of the hand wheel 3.

[0023] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the present application. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A heat worker valve group for a heat worker pipe of a vulcanizer, comprising a valve body (1), characterized in that: The valve body (1) is provided with a valve stem (2), the top end of the valve stem (2) is fixedly connected with a hand wheel (3), the bottom of the hand wheel (3) is fixedly connected with a positioning sleeve (4), the outer wall of one side of the positioning sleeve (4) is provided with a groove, the groove is fixedly connected with a supporting rod (5), one end of the supporting rod (5) is fixedly connected with a traction plate (6), the bottom of one end of the traction plate (6) is fixedly connected with a clamping rod (7), the valve body (1) is provided with a plurality of clamping grooves corresponding to the clamping rod (7), the supporting rod (5) is provided with a first spring (8), the two ends of the first spring (8) are fixedly connected with the traction plate (6) and the inner wall of the groove respectively, the bottom of the positioning sleeve (4) is fixedly connected with a supporting block (9), the supporting block (9) is rotatably inserted with a rotating rod (10), one end of the rotating rod (10) is fixedly connected with a first gear (11), the upper side of the first gear (11) is provided with a second gear (12) engaged with each other, the second gear (12) is fixedly inserted with a shaft rod (13), one end of the shaft rod (13) is rotatably connected with the positioning sleeve (4), the other end of the shaft rod (13) is fixedly connected with a cam (14), the other end of the rotating rod (10) is fixedly connected with a rotating block (15), one end of the rotating block (15) is slidably inserted with a limiting rod (16), the supporting block (9) is provided with a plurality of limiting grooves corresponding to the limiting rod (16).

2. The hot work valve train of claim 1, wherein: One end of the limiting rod (16) is fixedly connected with a limiting sleeve (17), the limiting rod (16) is provided with a second spring (18), the two ends of the second spring (18) are respectively abutted with the limiting sleeve (17) and the rotating block (15).

3. The hot process valve group for a hot process pipe of a vulcanizer according to claim 1, characterized by: The outer wall surface of the cam (14) is polished.

4. The hot process valve group for a hot process pipe of a vulcanizer according to claim 1, characterized by: The supporting block (9) is provided with a through hole, the through hole is fixedly connected with a bearing (19), the rotating rod (10) is fixedly inserted in the bearing (19).

5. The hot process valve group for a hot process pipe of a vulcanizer according to claim 1, characterized by: The outer wall of the rotating block (15) is provided with a plurality of anti-skid lines arranged obliquely.

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