Elastic piece opening transmission device

Abstract

The utility model discloses an elastic piece opening transmission device which comprises an installation frame, a lower supporting table, a middle platform, an upper platform, a motor, a bevel gear reversing assembly, a first belt wheel, a second belt wheel, a first elastic piece, a second elastic piece, a second elastic piece, a third elastic piece and a fourth elastic piece. The lower supporting table, the middle platform and the upper platform are sequentially arranged in the installation frame from bottom to top. The driving shaft is arranged in the longitudinal direction and connected with the bevel gear reversing assembly, and the first distraction executing mechanism and the second distraction executing mechanism are arranged on the middle platform and are in transmission connection with the driving shaft. The first distraction executing mechanism and the second distraction executing mechanism are oppositely arranged in a mirror image manner; the first opening executing mechanism and the second opening executing mechanism are each provided with a roller shaft. A first arc-shaped groove and a second arc-shaped groove are formed in the upper platform; a roller shaft of the first opening executing mechanism slides along the first arc-shaped groove; and a roller shaft of the second opening executing mechanism slides along the second arc-shaped groove.

Description

Technical Field

[0001] The utility model relates to the technical field of elastic part installation, in particular to an elastic part expanding transmission device. Background Art

[0002] The elastic parts of this technology are mainly sealing rings or sealing gaskets, which are in the shape of a circular ring or a long strip ring after installation. Herein, the expanding transmission equipment of this technology is mainly used to expand and install the elastic parts in a long strip outer ring groove. At present, there is no corresponding equipment for installing elastic parts in a long strip outer ring groove in the prior art.

[0003] Therefore, there is an urgent need to propose an elastic part expanding transmission device with a simple structure and reliable expanding transmission. Summary of the Utility Model

[0004] Aiming at the above problems, the purpose of the utility model is to provide an elastic part expanding transmission device. The technical solution adopted by the utility model is as follows:

[0005] An elastic part expanding transmission device for expanding an elastic part, which includes an installation frame, a lower support platform, a middle platform and an upper platform sequentially arranged in the installation frame from bottom to top, a motor and a bevel gear commutation assembly fixed on the lower support platform, a first belt pulley arranged on the bevel gear commutation assembly and connected to the motor by a belt, a driving shaft arranged longitudinally and connected to the bevel gear commutation assembly, and a first expanding execution mechanism and a second expanding execution mechanism arranged on the middle platform and in transmission connection with the driving shaft; the first expanding execution mechanism and the second expanding execution mechanism are arranged opposite to each other in a mirror image; the driving shaft penetrates through the middle platform.

[0006] A roller shaft is respectively arranged on the first expanding execution mechanism and the second expanding execution mechanism; a first arc-shaped groove and a second arc-shaped groove are formed on the upper platform; the roller shaft of the first expanding execution mechanism slides along the first arc-shaped groove; the roller shaft of the second expanding execution mechanism slides along the second arc-shaped groove.

[0007] Furthermore, the first expanding execution mechanism includes a first gear and a first rolling bearing sleeved on the driving shaft, a first rotating plate rotatably sleeved in the middle on the first rolling bearing, a second rolling bearing sleeved on one end of the first rotating plate, a first central shaft sleeved in the second rolling bearing, a second gear sleeved on the lower part of the first central shaft and meshed with the first gear, a supporting rotating gear arranged on the middle platform and meshed with the first gear, and a guiding mechanism connected to the other end of the first rotating plate; the roller shaft is arranged on the upper part of the first central shaft.

[0008] Further, the guiding mechanism includes a sliding rod fixed on the middle platform, a sliding sleeve slidably sleeved on the sliding rod, and a connecting column arranged on the sliding sleeve; a strip-shaped hole is formed on the first rotating plate; and the connecting column is placed in the strip-shaped hole.

[0009] Further, a lower support frame is arranged at the lower part of the middle platform; and the driving shaft is rotatably sleeved on the lower support frame.

[0010] Further, the roller shaft includes a first cylindrical part, an arc part and a second cylindrical part which are integrally formed, a central hole opened in the first cylindrical part, the arc part and the second cylindrical part, and a locking screw hole opened on the second cylindrical part and communicated with the central hole; and an internal hexagonal locking screw is arranged in the locking screw hole.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) By arranging the first expanding actuator and the second expanding actuator, and driven by the motor, the bevel gear reversing assembly and the driving shaft to drive the transmission, the roller shafts slide along the first arc groove and the second arc groove respectively to expand the elastic member, so as to ensure the reliability of its action.

[0013] (2) By arranging the first gear, the second gear and the supporting rotating gear, it is ensured that the first rotating plate rotates around the first rolling bearing, so as to realize the sliding of the roller shaft along the first arc groove and the second arc groove. At the same time, by arranging the guiding mechanism, the reliability of the guiding sliding action of the roller shaft is ensured.

[0014] In summary, the utility model has the advantages of simple structure, reliable expanding transmission, etc., and has high practical value and popularization value in the technical field of elastic member installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the protection scope. For those skilled in the art, other related drawings can be obtained according to these drawings without creative efforts.

[0016] Figure 1 It is a structural schematic diagram of the present utility model.

[0017] Figure 2 It is a structural schematic diagram of the first angle of the present utility model after removing the upper platform.

[0018] Figure 3 It is a structural schematic diagram of the second angle of the present utility model after removing the upper platform.

[0019] Figure 4 This is a schematic structural view of the roller shaft of the present utility model.

[0020] In the above-mentioned drawings, the component names corresponding to the reference numerals are as follows:

[0021] 1. Mounting frame; 2. Lower support platform; 3. Upper platform; 4. Middle platform; 5. Elastic member; 6. Motor; 8. First pulley; 9. Bevel gear reversing assembly; 10. Driving shaft; 11. Lower support frame; 31. First arc groove; 32. Second arc groove; 701. First gear; 702. First rolling bearing; 703. First rotating plate; 704. Second gear; 705. Second rolling bearing; 706. First central shaft; 707. Roller shaft; 708. Strip hole; 709. Support rotating gear; 710. Slide bar; 711. Slide sleeve; 712. Connecting column; 7071. First cylindrical part; 7072. Arc part; 7073. Second cylindrical part; 7074. Central hole; 7075. Locking screw hole. Specific embodiments

[0022] To make the objectives, technical solutions, and advantages of the present application clearer, the present utility model will be further described below with reference to the drawings and embodiments. The embodiments of the present utility model include but are not limited to the following embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the scope of protection of the present application.

[0023] In this embodiment, the term "and / or" merely describes the associated relationship of the associated objects and indicates that three relationships may exist. For example, A and / or B may represent three situations: A exists alone, A and B exist simultaneously, and B exists alone.

[0024] In the description and claims of this embodiment, the terms "first" and "second", etc. are used to distinguish different objects rather than to describe a specific order of the objects. For example, the first target object and the second target object, etc. are used to distinguish different target objects rather than to describe the specific order of the target objects.

[0025] In the embodiments of the present application, words such as "exemplary" or "for example" are used to represent examples, illustrations, or explanations. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present application should not be construed as being more preferred or having more advantages than other embodiments or design solutions. Rather, the use of words such as "exemplary" or "for example" is intended to present relevant concepts in a specific manner.

[0026] In the description of the embodiments of the present application, unless otherwise specified, the meaning of "a plurality" refers to two or more. For example, a plurality of processing units refers to two or more processing units; a plurality of systems refers to two or more systems.

[0027] As Figures 1 to 4 shown, this embodiment provides an elastic member spreading drive device for spreading the elastic member 5. Specifically, the elastic member spreading drive device includes a mounting frame 1, a lower support platform 2, a middle platform 4, and an upper platform 3 sequentially arranged in the mounting frame 1 from bottom to top, a motor 6 and a bevel gear reversing assembly 9 fixed on the lower support platform 2, a first pulley 8 arranged on the bevel gear reversing assembly 9 and connected to the motor 6 by a belt, a drive shaft 10 arranged along the longitudinal direction and connected to the bevel gear reversing assembly 9, a first spreading actuator and a second spreading actuator arranged on the middle platform 4 and drivingly connected to the drive shaft 10, and a lower support frame 11 arranged at the lower part of the middle platform 4. In this embodiment, the motor 6 drives the first pulley 8, the bevel gear reversing assembly 9, the first spreading actuator, and the second spreading actuator to transmit power. In addition, a first arc-shaped groove 31 and a second arc-shaped groove 32 are formed on the upper platform 3. The roller shaft 707 of the first spreading actuator slides along the first arc-shaped groove 31, and the roller shaft 707 of the second spreading actuator slides along the second arc-shaped groove 32 to realize the spreading of the elastic member 5.

[0028] In the embodiment, the first spreading actuator and the second spreading actuator are arranged opposite to each other in a mirror image. Taking the first spreading actuator as an example, it includes a first gear 701 and a first rolling bearing 702 sleeved on the drive shaft 10, a first rotating plate 703 rotatably sleeved in the middle on the first rolling bearing 702, a second rolling bearing 705 sleeved on one end of the first rotating plate 703, a first central shaft 706 sleeved in the second rolling bearing 705, a second gear 704 sleeved on the lower part of the first central shaft 706 and meshingly connected to the first gear 701, a support rotating gear 709 arranged on the middle platform 4 and meshingly connected to the first gear 701, a guiding mechanism connected to the other end of the first rotating plate 703, and a roller shaft 707 arranged on the upper part of the first central shaft 706. The first central shaft 706 and the roller shaft 707 slide along the first arc-shaped groove 31.

[0029] In this embodiment, the guiding mechanism includes a slide bar 710 fixed on the middle platform 4, a slide sleeve 711 slidably sleeved on the slide bar 710, and a connecting column 712 arranged on the slide sleeve 711. Among them, a strip-shaped hole 708 is formed on the first rotating plate 703, and the connecting column 712 is placed in the strip-shaped hole 708 to realize guiding and supporting. Among them, the connecting column 712 slides along the strip-shaped hole 708 and moves reciprocally.

[0030] In this embodiment, the roller shaft 707 is detachably mounted on the first central shaft 706. The roller shaft 707 includes an integrally formed first cylindrical portion 7071, an arc portion 7072, and a second cylindrical portion 7073, a central hole 7074 opened in the first cylindrical portion 7071, the arc portion 7072, and the second cylindrical portion 7073, and a locking screw hole 7075 opened on the second cylindrical portion 7073 and communicating with the central hole 7074. In addition, an internal hexagonal locking screw is disposed in the locking screw hole 7075, and the internal hexagonal locking screw presses on the first central shaft 706.

[0031] During use, the elastic member 5 is sleeved on the two roller shafts 707 and driven by the motor 6, and transmitted by the first spreading actuator and the second spreading actuator, so that the first central shaft 706 and the roller shaft 707 slide along the first arc groove 31, and the elastic member 5 is spread. During the spreading process, the guiding mechanism, the first arc groove 31, and the second arc groove 32 are used for guiding and supporting.

[0032] The above embodiments are only the preferred embodiments of the present invention, and do not limit the protection scope of the present invention. Any changes made by adopting the design principle of the present invention and non-creative labor on this basis shall fall within the protection scope of the present invention.

Claims

1. An elastic member opening transmission device for opening an elastic member (5), characterized in that: The invention comprises a mounting frame (1), a lower support platform (2), a middle platform (4) and an upper platform (3) which are arranged in sequence in the mounting frame (1) from bottom to top, a motor (6) and a bevel gear reversing assembly (9) fixed on the lower support platform (2), a first pulley (8) arranged on the bevel gear reversing assembly (9) and connected to the motor (6) by a belt, a driving shaft (10) arranged in the longitudinal direction and connected to the bevel gear reversing assembly (9), and a first spreading actuator and a second spreading actuator which are arranged on the middle platform (4) and are transmission-connected to the driving shaft (10); the first spreading actuator and the second spreading actuator are arranged in mirror-image relation; the driving shaft (10) is arranged to pass through the middle platform (4); A roller shaft (707) is provided on the first spreading actuator and the second spreading actuator respectively; a first arc groove (31) and a second arc groove (32) are provided on the upper platform (3); the roller shaft (707) of the first spreading actuator slides along the first arc groove (31); and the roller shaft (707) of the second spreading actuator slides along the second arc groove (32).

2. The elastic member expansion transmission device according to claim 1, characterized in that: The first spreading actuator comprises a first gear (701) and a first rolling bearing (702) sleeved on the driving shaft (10), a first rotating plate (703) sleeved on the first rolling bearing (702) in the middle, a second rolling bearing (705) sleeved on one end of the first rotating plate (703), a first central shaft (706) sleeved in the second rolling bearing (705), a second gear (704) sleeved on the lower part of the first central shaft (706) and meshingly connected with the first gear (701), a supporting rotating gear (709) arranged on the middle platform (4) and meshingly connected with the first gear (701), and a guide mechanism connected to the other end of the first rotating plate (703); the roller shaft (707) is arranged on the upper part of the first central shaft (706).

3. The elastic member expansion transmission device according to claim 2, characterized in that: The guide mechanism comprises a sliding rod (710) fixed on the middle platform (4), a sliding sleeve (711) slidably mounted on the sliding rod (710), and a connecting column (712) arranged on the sliding sleeve (711); a strip hole (708) is opened on the first rotating plate (703); and the connecting column (712) is placed in the strip hole (708).

4. An elastic member expansion transmission device according to claim 1, 2 or 3, characterized in that: A lower support frame (11) is provided at the lower part of the middle platform (4); the driving shaft (10) is rotatably sleeved on the lower support frame (11).

5. An elastic member expansion transmission device according to claim 1, 2 or 3, characterized in that: The roller shaft (707) includes an integrally formed first cylindrical portion (7071), an arcuate portion (7072) and a second cylindrical portion (7073), a center hole (7074) provided in the first cylindrical portion (7071), the arcuate portion (7072) and the second cylindrical portion (7073), and a locking screw hole (7075) provided on the second cylindrical portion (7073) and connected to the center hole (7074); a hexagonal locking screw is provided in the locking screw hole (7075).

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