CN218079706U

CN218079706U - Belt pulley riveting mechanism

Info

Publication number: CN218079706U
Application number: CN202221672226.2U
Authority: CN
Inventors: 黄文生; 吴蓉; 盘鑫
Original assignee: Zhongshan Jonjee Precision Machinery Co ltd
Current assignee: Zhongshan Jonjee Precision Machinery Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-12-20
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a belt pulley riveting mechanism, include: the pressing device comprises a pressing plate, and the pressing plate is provided with a plurality of pressing rods for riveting the workpiece; the pressure plate is also provided with a pressure sensor for measuring the pressing pressure of the pressing rod and a displacement sensor for measuring the descending distance of the pressure plate; and the pressure-bearing platform is arranged below the pressure plate and is provided with a limiting structure for placing the belt pulley. According to the utility model discloses a belt pulley riveting mechanism is provided with pressure sensor and displacement sensor, can monitor riveting dynamics and riveting distance, has guaranteed the stability of belt pulley manufacturing quality effectively, has promoted the yields.

Description

Belt pulley riveting mechanism

Technical Field

The utility model relates to a belt pulley processing equipment field especially relates to a belt pulley riveting mechanism.

Background

The belt pulley belongs to a hub part and is mainly used for occasions of transmitting power in a long distance, such as power output of small diesel engines, mining machinery, machining equipment, textile machinery, packaging machinery, power transmission of agricultural machinery, air compressors, speed reducers, generators, cotton ginning machines and the like. When the belt pulley is riveted, the riveting mechanism is excessively pressed down or the pressure is excessively high, so that irreversible damage or damage to the belt pulley is caused, the production quality is seriously influenced, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a belt pulley riveting mechanism is provided with pressure sensor and displacement sensor, can monitor riveting dynamics and riveting distance, has guaranteed the stability of belt pulley manufacturing quality effectively, has promoted the yields.

According to the utility model discloses belt pulley riveting mechanism, include: the pressing device comprises a pressing plate, and the pressing plate is provided with a plurality of pressing rods for riveting the workpiece; the pressure plate is also provided with a pressure sensor for measuring the pressing pressure of the pressing rod and a displacement sensor for measuring the descending distance of the pressure plate; and the pressure-bearing platform is arranged below the pressure plate and is provided with a limiting structure for placing the belt pulley.

According to the utility model discloses pulley riveting mechanism has following technological effect at least: the riveting device is simple and easy to use in structure, and is provided with the pressure sensor and the displacement sensor, so that the riveting descending distance and the riveting force can be effectively controlled, the impact damage or overpressure damage of equipment is avoided, and the service life of the equipment is prolonged; be provided with limit structure and carry on spacingly to the belt pulley, guaranteed the accuracy of riveting position effectively, promoted the stability of riveting quality.

According to some embodiments of the present invention, the pressing device further comprises a mounting plate and a middle plate, two ends of the pressure sensor are respectively connected to the mounting plate and the middle plate, and the mounting plate is disposed above the middle plate; the pressing plate is connected below the middle plate.

According to some embodiments of the present invention, the pressing plate is provided with a first mounting hole for the pressing rod to be embedded in, and the first mounting hole is a stepped hole and includes a wide diameter section and a narrow diameter section; the pressure bar comprises a head and a bar body, the head is embedded in the wide diameter section, and the bar body penetrates through the narrow diameter section and extends downwards; the intermediate plate is connected with the pressure plate to restrain the head portion within the first mounting hole.

According to some embodiments of the present invention, the pressing plate is further provided with a guide rod extending downward, and the pressure-bearing platform is provided with a guide hole for the guide rod to penetrate through; the guide rod is matched with the guide hole to guide the pressure plate to lift.

According to some embodiments of the present invention, a central hole is formed in the central position of the middle plate, a central bolt is inserted into the central hole, and the central bolt passes through the middle plate upwards and is connected to the pressure sensor; the pressing plate is provided with a plurality of through holes corresponding to the central holes, and the pressing rods are arranged on the periphery of the through holes and wound around the through holes at intervals.

According to the utility model discloses a some embodiments, clamp plate one side is connected with the installation piece through the fastener, displacement sensor install in the installation piece, the clamp plate descends and to drive the installation piece descends, and then drives displacement sensor descends, displacement sensor descend to a take the altitude when can with the pressure-bearing platform contact, realize right the clamp plate carries out the stroke terminal point spacing.

According to the utility model discloses a some embodiments, the locating pin that extends up is installed to the pressure-bearing platform, limit structure is including the spacing ring that is used for placing the belt pulley, the spacing ring cover is located the locating pin, and locate the depression bar below.

According to some embodiments of the present invention, the limiting ring comprises an outer ring and an inner ring, the outer ring is sleeved on the periphery of the inner ring and supports the inner ring; the locating pin is partially arranged through the inner ring.

According to some embodiments of the utility model, the outer loop center is equipped with the confession the post hole that the inner ring was packed into, the post hole is equipped with towards the convex fender ring in center, the inner ring install in the post hole and place in keep off on the ring.

According to some embodiments of the present invention, the inner ring upper surface is lower than the outer ring upper surface, the outer ring upper surface is provided with a pressing groove for the pressing rod to press in.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of an installation structure of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a cross-sectional view of an embodiment of the invention;

FIG. 4 is an enlarged view at A in FIG. 3;

fig. 5 is an exploded view of the spacing ring according to the embodiment of the present invention.

Reference numerals:

the device comprises a pressing device 100, a pressure sensor 110, a displacement sensor 120, a pressure plate 130, a first mounting hole 131, a through hole 132, a pressure rod 140, a mounting plate 150, an intermediate plate 160, a central hole 161, a central bolt 162, a guide rod 170 and a mounting block 180;

the bearing platform 200, the guide hole 210, the positioning pin 220, the limiting ring 230, the outer ring 240, the column hole 241, the baffle ring 242, the press groove 243 and the inner ring 250.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1 to 5, the utility model discloses a belt pulley riveting mechanism of embodiment includes: the pressing device 100 is arranged above the pressure-bearing platform 200, the pressure-bearing platform 200 is used for placing a belt pulley to be machined, and the pressing device 100 is arranged above the pressure-bearing platform 200 and can lift relative to the pressure-bearing platform 200; when the pressing device 100 descends to a certain height, the belt pulley on the bearing platform 200 can be riveted.

The pressing device 100 comprises a pressing plate 130, wherein a plurality of pressing rods 140 for riveting the workpiece are arranged on the pressing plate 130; the pressure plate 130 is further provided with a pressure sensor 110 for measuring the pressing pressure of the pressing rod 140 and a displacement sensor 120 for measuring the descending distance of the pressure plate 130; specifically, as shown in fig. 1 and 2, the pressing device 100 further includes a mounting plate 150 and an intermediate plate 160, which are the mounting plate 150, the pressure sensor 110, the intermediate plate 160 and the pressing plate 130 from top to bottom, and a lifting device for driving the mounting plate 150 to lift is connected to the top of the mounting plate 150, for example, a hydraulic cylinder is not shown in the drawings; the two ends of the pressure sensor 110 are respectively connected with the mounting plate 150 and the middle plate 160, the top of the pressure sensor 110 is connected with the mounting plate 150 through a bolt, the bottom of the pressure sensor 110 is connected with the middle plate 160, and the middle plate 160 is connected with the pressure plate 130 through a bolt. The middle plate 160 has a central hole 161 at the center, a central bolt 162 passes through the central hole 161, and the central bolt 162 passes through the middle plate 160 and is connected to the pressure sensor 110. The heads of all the bolts do not protrude from the surface on which the bolts are arranged.

It is understood that the pressure sensor 110 may be installed in different models, such as five tons, six tons, etc., according to different requirements.

In some embodiments of the present invention, the pressing plate 130 is provided with a first mounting hole 131 for the pressing rod 140 to be inserted into, and the first mounting hole 131 is a stepped hole and includes a wide diameter section and a narrow diameter section; the compression bar 140 includes a head portion embedded in the wide section and a shaft portion passing through the narrow section and extending downward; the intermediate plate 160 is coupled to the pressure plate 130 to restrain the head within the first mounting hole 131. As shown in fig. 3 and 4, the bottom of the pressing rod 140 is used for riveting the pulley, and the top of the pressing rod 140 is embedded in the pressing plate 130.

Furthermore, the pressing plate 130 is provided with a through hole 132 corresponding to the central hole 161, a plurality of pressing rods 140 are provided, and the plurality of pressing rods 140 are provided on the periphery of the through hole 132 and are spaced around the through hole 132. The number of struts 140 is designed according to the pulley requirements. The through-hole 132 is provided to correspond to the center hole 161 in order to enable detection or replacement of the pressure sensor 110 without separating the intermediate plate 160 and the pressure plate 130.

In some embodiments of the present invention, the pressing plate 130 is further provided with a downwardly extending guide rod 170, and the pressure-bearing platform 200 is provided with a guide hole 210 for the guide rod 170 to penetrate through; the guide rods 170 cooperate with the guide holes 210 to guide the elevation of the pressing plate 130. Specifically, the pressing plate 130 is further provided with a second mounting hole, the second mounting hole is also a stepped hole, the diameter of one end of the guide rod 170 is larger than that of the rest of the guide rod, and the larger end of the guide rod 170 is also embedded in the pressing plate 130.

Furthermore, two guide rods 170 are provided, and two guide holes 210 are provided on the pressure-bearing platform 200 corresponding to the two guide rods 170.

The utility model discloses a some embodiments, clamp plate 130 one side is connected with installation piece 180 through the fastener, and displacement sensor 120 installs in installation piece 180, and clamp plate 130 descends and to drive installation piece 180 and descend, and then drives displacement sensor 120 and descend, and displacement sensor 120 can contact with pressure-bearing platform 200 when descending to a take the altitude, and it is spacing to realize carrying out the stroke terminal to clamp plate 130. Specifically, as shown in fig. 1 and 2, the mounting block 180 is connected to one side of the pressure plate 130 by two bolts. The bottom of displacement sensor 120 is equipped with the most advanced contact point, and the clamp plate 130 descends in-process, and displacement sensor 120's most advanced can contact with pressure-bearing platform 200, and displacement sensor 120 and pressure sensor 110 carry out duplicate protection to the riveting device.

When the end of the displacement sensor 120 contacts the pressure-bearing platform 200, the riveting mechanism gives an alarm and stops riveting, so that the damage to equipment caused by excessive descending of the riveting device is avoided; when the pressure sensor 110 monitors that the riveting force reaches the set range of the measurement, the riveting mechanism also gives an alarm and stops riveting, thereby avoiding the overvoltage damage of the riveting mechanism and effectively prolonging the service life of the riveting mechanism.

The pressure-bearing platform 200 is arranged below the pressure plate 130 and is provided with a limiting structure for placing a belt pulley, so that the accuracy of the riveting position is effectively guaranteed, and the stability of the riveting quality is improved.

In some embodiments of the present invention, the positioning pin 220 extending upward is installed on the pressure-bearing platform 200, the limiting structure includes a limiting ring 230 for placing the belt pulley, and the positioning pin 220 is sleeved on the limiting ring 230 and is disposed below the pressure rod 140. Specifically, as shown in fig. 4 and 5, the stop collar 230 includes an outer ring 240 and an inner ring 250, the outer ring 240 is sleeved on the outer circumference of the inner ring 250 and supports the inner ring 250; the locating pin 220 is partially disposed through the inner ring 250.

In some embodiments of the present invention, the center of the outer ring 240 is provided with a column hole 241 for the inner ring 250 to be installed, the column hole 241 is provided with a baffle ring 242 protruding toward the center, and the inner ring 250 is installed in the column hole 241 and falls on the baffle ring 242. Specifically, the stopper ring 242 is disposed at the bottom of the column hole 241 and protrudes toward the center, and the inner ring 250 is seated on the stopper ring 242. After the inner ring 250 is fully seated on the retainer ring 242, the upper surface of the inner ring remains lower than the upper surface of the outer ring 240.

In some embodiments of the present invention, the upper surface of the inner ring 250 is lower than the upper surface of the outer ring 240, and the upper surface of the outer ring 240 is provided with a pressing groove 243 for pressing the pressing rod 140. Specifically, as shown in fig. 5, the peripheral wall of the pressing groove 243 is matched with the outer peripheral side of the pressing rod 140, so as to facilitate the insertion of the pressing rod 140.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a pulley riveting mechanism which characterized in that includes:

the pressing device (100) comprises a pressing plate (130), wherein a plurality of pressing rods (140) used for riveting workpieces are mounted on the pressing plate (130); the pressure plate (130) is also provided with a pressure sensor (110) for measuring the pressing pressure of the pressing rod (140) and a displacement sensor (120) for measuring the descending distance of the pressure plate (130);

and the pressure-bearing platform (200) is arranged below the pressure plate (130) and is provided with a limiting structure for placing a belt pulley.

2. The pulley riveting mechanism of claim 1, wherein: the pressing device (100) further comprises a mounting plate (150) and a middle plate (160), two ends of the pressure sensor (110) are respectively connected with the mounting plate (150) and the middle plate (160), and the mounting plate (150) is arranged above the middle plate (160); the pressure plate (130) is connected below the middle plate (160).

3. The pulley riveting mechanism of claim 2, wherein: the pressing plate (130) is provided with a first mounting hole (131) for the pressing rod (140) to be embedded in, and the first mounting hole (131) is a stepped hole and comprises a wide-diameter section and a narrow-diameter section; the strut (140) includes a head embedded within the wide diameter section and a shaft extending downwardly through the narrow diameter section; the intermediate plate (160) is connected with the pressure plate (130) to restrain the head within the first mounting hole (131).

4. A pulley riveting mechanism according to claim 3, wherein: the pressure plate (130) is also provided with a guide rod (170) extending downwards, and the pressure-bearing platform (200) is provided with a guide hole (210) for the guide rod (170) to penetrate through; the guide rod (170) is matched with the guide hole (210) to guide the pressure plate (130) to ascend and descend.

5. The pulley riveting mechanism of claim 4, wherein: a central hole (161) is formed in the center of the middle plate (160), a central bolt (162) penetrates through the central hole (161), and the central bolt (162) penetrates through the middle plate (160) upwards and is connected with the pressure sensor (110); the pressing plate (130) is provided with a through hole (132) corresponding to the central hole (161), the pressing rods (140) are multiple, and the pressing rods (140) are arranged on the periphery of the through hole (132) and surround the through hole (132) at intervals.

6. The pulley riveting mechanism of claim 1, wherein: one side of the pressing plate (130) is connected with an installation block (180) through a fastener, the displacement sensor (120) is installed on the installation block (180), the pressing plate (130) descends to drive the installation block (180) to descend so as to drive the displacement sensor (120) to descend, and the displacement sensor (120) can be in contact with the pressure bearing platform (200) when descending to a certain height, so that the pressing plate (130) is limited at a stroke end point.

7. The pulley riveting mechanism of claim 1, wherein: the locating pin (220) that extend upwards is installed to pressure-bearing platform (200), limit structure is including being used for placing spacing ring (230) of belt pulley, spacing ring (230) cover is located locating pin (220) to locate depression bar (140) below.

8. The pulley riveting mechanism of claim 7, wherein: the limiting ring (230) comprises an outer ring (240) and an inner ring (250), wherein the outer ring (240) is sleeved on the periphery of the inner ring (250) and supports the inner ring (250); the positioning pin (220) is partially arranged through the inner ring (250).

9. The pulley riveting mechanism of claim 8, wherein: the center of the outer ring (240) is provided with a column hole (241) for the inner ring (250) to be installed in, the column hole (241) is provided with a baffle ring (242) protruding towards the center, and the inner ring (250) is installed in the column hole (241) and falls on the baffle ring (242).

10. The pulley riveting mechanism of claim 9, wherein: the upper surface of the inner ring (250) is lower than that of the outer ring (240), and the upper surface of the outer ring (240) is provided with a pressing groove (243) for pressing the pressing rod (140).