CN204160305U - A kind of sealing ring grinding trimmer - Google Patents

Abstract

The utility model relates to rail wagon brake system parts machining equipment, be specially a kind of sealing ring grinding trimmer, it comprises base, the motor be fixedly installed on base, the gearbox be connected with motor-driven, be arranged at the lapping device on the output shaft of gearbox and be fixedly installed on base for supporting the holding device of lapping device; Described lapping device comprises the outside grinding shaft be coaxially fixedly installed with the output shaft of gearbox and the inner edge grinding shaft being coaxially fixedly arranged on described outside grinding shaft, described outside grinding shaft is movably set with plural centring ring, described inner edge grinding shaft is provided with fabric disc.The utility model structure is simple, easy to use, greatly can improve the grinding deburring efficiency of sealing ring and the quality of product.

Description

A sealing ring grinding and trimming machine

technical field

The utility model relates to a processing equipment for parts and components of a railway freight car brake system, in particular to a grinding and trimming machine for sealing rings.

Background technique

After the vulcanization process is completed, the E-shaped sealing ring used in the braking system of railway freight cars will have more or less rubber edges on the parting surface of the mold, which needs to be polished and trimmed to obtain qualified products.

In the current production process, the trimming method usually used is manual trimming or trimming with a liquid oxygen freezing trimming machine. When trimming manually, the efficiency is low, and the product is easily damaged by cutting, resulting in defective products and affecting the overall quality of the product; the use of liquid oxygen freezing and trimming will cause a large amount of abrasive particles to remain in the gap between the E-rings, which is extremely difficult and time-consuming to remove It is laborious and cannot meet the requirements of the product.

Utility model content

The technical problem to be solved by the utility model is to provide a sealing ring grinding and trimming machine with simple structure, convenient use and stable operation.

The utility model adopts the following technical solutions:

A sealing ring grinding and trimming machine, which includes a base, a motor fixed on the base, a gearbox connected to the motor transmission, a grinding device arranged on the output shaft of the gearbox, and a grinding device fixed on the base for supporting the grinding the jacking device of the device;

The grinding device includes an outer grinding shaft fixed coaxially with the output shaft of the gearbox and an inner grinding shaft coaxially fixed on the outer grinding shaft, and more than two positioning positions are movable on the outer grinding shaft. ring, and a cloth grinding wheel is arranged on the inner grinding shaft.

Further, the jacking device includes a jack rod base fixed on the base and a jack pin set on the jack pin base, and the jack pin is fixed through two fixing ears fixed on the jack pin base. plate support, the ejector rod is provided with a toggle lever for horizontally sliding the ejector rod, a tapered head is arranged at the top of the ejector rod, a bearing is arranged between the ejector head and the ejector rod, and the ejector rod base A clamping post corresponding to the toggle lever is arranged on the top.

Further, a balance wheel is provided on the outer grinding shaft.

Further, the output shaft of the motor is provided with a driving wheel, and the input shaft of the gearbox is provided with a driven wheel corresponding to the driving wheel, and the driving wheel and the driven wheel are connected through a belt drive.

Further, the base is provided with a protective cover for covering the driving wheel, the belt and the driven wheel.

The positive effect of the utility model is as follows:

The utility model is simple in structure. The output shaft of the gearbox is equipped with an outer grinding device and an inner grinding device at the same time. During use, the outer and inner sides of the E-shaped sealing ring can be ground and trimmed at the same time, which greatly improves the work efficiency and product quality. Two or more positioning rings are set on the outer grinding shaft, and a sealing ring is clamped by the two positioning rings, so that the sealing ring can be placed flat, and the deformation and movement of the sealing ring can be prevented during the grinding process, which can ensure the quality and quality of grinding and trimming. efficiency.

The free end of the grinding device is tightened and supported by the clamping device to ensure that the outer grinding shaft and the inner grinding shaft will not bend and shake during the grinding process, so that the equipment can run stably and ensure the quality of the product. A bearing is arranged between the plug and the ejector rod, so that the plug can rotate freely, and the clamping device will not hinder the normal operation of the grinding device.

The setting of the balance wheel can also help the grinding device run smoothly and avoid violent shaking during the grinding process.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is the structural representation of the outer grinding shaft of the utility model;

Accompanying drawing 3 is the enlarged structure diagram of part A in Fig. 1 .

In the accompanying drawings: 1 base, 2 motors, 3 driving wheels, 4 belts, 5 driven wheels, 6 gearboxes, 7 balance wheels, 8 outer grinding shafts, 9 ejector pin bases, 10 ejector pins, 11 positioning rings, 12 Cloth grinding wheel, 13 plugs, 14 clamping columns, 15 fixed lugs, 16 toggle bar, 17 inner grinding shaft.

Detailed ways

Below in conjunction with accompanying drawing 1-3 and specific embodiment, the utility model is described in further detail.

A kind of sealing ring grinding and trimming machine as shown in accompanying drawing 1, it comprises base 1, the motor 2 that is fixedly arranged on base 1, the gearbox 6 that is connected with motor 2 transmission, is arranged on the output shaft of gearbox 6 The grinding device and the clamping device fixedly arranged on the base 1 for supporting the grinding device.

As shown in the accompanying drawings 2 and 3, the grinding device includes an outer grinding shaft 8 coaxially fixed with the output shaft of the gearbox 6 and an inner grinding shaft 17 coaxially fixed on the outer grinding shaft 8, so Two or more positioning rings 11 are movable on the outer grinding shaft 8, and a cloth grinding wheel 12 is arranged on the inner grinding shaft 17.

Wherein, the positioning ring 11 is an interference fit with the outer grinding shaft 8, and the positioning ring 11 is sleeved on the outer grinding shaft 8, and can be disassembled, but cannot move freely. Therefore, the two positioning rings 11 can be clamped Hold an E-shaped sealing ring set on the outer grinding shaft 8. When the outer grinding shaft 8 rotates with the output shaft of the gearbox 6, the hand-held grinding head grinds the rotating E-shaped sealing ring, which has high efficiency and the product is ground. Good quality. The diameter of the inner grinding shaft 17 is smaller than that of the outer grinding shaft 8, and the cloth grinding wheel 12 is also called a shutter wheel. The E-shaped sealing ring on the outside is ground to the cloth grinding wheel 12, and the sealing ring is manually stretched to make the rotating cloth grinding wheel The inner edge of the sealing ring is ground.

As shown in the accompanying drawing 2, the described jacking device comprises a jack rod base 9 fixedly arranged on the base 1 and a jack rod 10 arranged on the jack pin base 9, and the jack rod 10 is fixedly arranged on the jack rod Supported by two fixed ear plates 15 on the rod base 9, the push rod 10 can slide horizontally. The push rod 10 is provided with a toggle lever 16 for horizontally sliding the push rod 10, and the toggle lever 16 is located on the two sides. Between the fixed ear plates 15, a tapered head 13 is provided at the top of the push rod 10, a bearing is provided between the top head 13 and the push rod 10, and a bearing corresponding to the toggle bar 16 is provided on the push rod base 9. The clamp post 14. The plug 13 corresponds to the end of the inner grinding shaft 17, see attached drawings 1 and 3, push the ejector rod 10 to the right, so that the toggle bar 16 is locked by the clamping column 14, and the tapered plug 13 withstands the The inner grinding shaft 17 is provided with a tapered groove matching the tapered plug 13 . Push the ejector rod 10 to the left by moving the blocking rod 16, and the plug 13 and the inner grinding shaft 17 are disengaged, and the sealing ring and the positioning ring 11 can be taken off.

As shown in FIG. 1 , the outer grinding shaft 8 is provided with a balance wheel 7 , and the balance wheel 7 is located at the connection between the outer grinding shaft 8 and the output shaft of the gearbox 6 . The output shaft of the motor 2 is provided with a driving wheel 3, and the input shaft of the gearbox 6 is provided with a driven wheel 5 corresponding to the driving wheel 3, and the driving wheel 3 and the driven wheel 5 are connected by a belt 4 transmission .

The base 1 is provided with a protective cover (not shown) for covering the driving pulley 3, the belt 4 and the driven pulley 5, so as to prevent workers from being injured by the transmission device during operation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention .

Claims (5)

1. A sealing ring grinding and trimming machine, characterized in that: it includes a base (1), a motor (2) fixedly arranged on the base (1), a gearbox (6) connected to the motor (2), A grinding device arranged on the output shaft of the gearbox (6) and a clamping device fixedly arranged on the base (1) for supporting the grinding device; The grinding device includes an outer grinding shaft (8) fixed coaxially with the output shaft of the gearbox (6) and an inner grinding shaft (17) coaxially fixed on the outer grinding shaft (8). More than two positioning rings (11) are movably arranged on the outer grinding shaft (8), and a cloth grinding wheel (12) is arranged on the inner grinding shaft (17). 2. A sealing ring grinding and trimming machine according to claim 1, characterized in that: said jacking device includes a jack base (9) fixed on the base (1) and a jack base (9) fixed on the jack The ejector rod (10) on the base (9), the ejector rod (10) is supported by two fixed ear plates (15) fixedly arranged on the ejector rod base (9), the ejector rod (10) There is a toggle lever (16) that slides horizontally on the push rod (10), and a conical head (13) is arranged on the top of the push rod (10). Between the push rod (13) and the push rod (10) Bearings are provided, and a clamping post (14) corresponding to the toggle bar (16) is provided on the ejector rod base (9). 3. A sealing ring grinding and trimming machine according to claim 1 or 2, characterized in that: said outer grinding shaft (8) is provided with a balance wheel (7). 4. A sealing ring grinding and trimming machine according to claim 1, characterized in that: the output shaft of the motor (2) is provided with a driving wheel (3), and the input of the gearbox (6) A driven wheel (5) corresponding to the driving wheel (3) is arranged on the shaft, and the driving wheel (3) and the driven wheel (5) are connected through a belt (4). 5. A sealing ring grinding and trimming machine according to claim 4, characterized in that: the base (1) is provided with a cover for blocking the driving wheel (3), the belt (4) and the driven wheel (5) protecting mask.