CN204748216U - Centerless grinder roller material loading machine - Google Patents

Abstract

The utility model discloses a roller feeder for a centerless grinder, which is used to solve the problems of complex structures and cumbersome adjustment procedures in the existing feeder for a centerless grinder. The utility model comprises a frame, on which a horizontally arranged fixed frame is fixed, and two ends of the fixed frame are respectively provided with a protrusion, and each of the two ends of the fixed frame is provided with two protrusions for supporting rollers. A support block, the support block is provided with a groove, and the groove and the protrusion are adapted to each other; the two rollers are respectively connected to the support blocks at both ends of the fixed frame, and the two rollers are connected to each other Arranged side by side on the supporting blocks at both ends of the fixed frame, the two rollers have an included angle in the vertical direction; the two rollers are provided with belt grooves, and the rollers are connected to the drive motor through the belt. connected, the drive motor is installed on the fixed frame through the inclined mounting plate.

Description

A centerless grinder roller feeder

technical field

The utility model belongs to the technical field of bearing manufacture, in particular to a centerless grinder roller feeder.

Background technique

In the bearing manufacturing process, the bearing ring needs to be ground, and most of the grinding work is carried out on a centerless grinding machine. A centerless grinder is a type of grinder that performs grinding without using the axis of the workpiece. It is composed of three mechanisms: grinding wheel, adjusting wheel and workpiece support. The grinding wheel is actually responsible for the grinding work. The adjusting wheel controls the rotation of the workpiece and makes the feed speed of the workpiece occur. As for the workpiece support, it is used for grinding. Support the workpiece.

In the production process, the bearing ring is usually conveyed to the centerless grinding machine by a feeder. For example, the invention patent with application number 201310718549.X discloses a centerless grinder automatic feeding machine, including a material lifting device and a feeding device, and the above two devices are connected by a feeding chute; The crawler transmission system is hooked by the bearing and lifted upwards. The crawler transmission system includes a stand standing in the hopper. The side of the stand is located on the side of the hopper. The two ends of the chute form ribs, and the upper end of the rib on the right side of the chute is provided with a gap that communicates the chute with the chute; there is a circle of crawlers around the stand, and the crawlers move along the chute. The crawlers include A plurality of rectangular plates arranged side by side in sequence, leaving a gap between two adjacent rectangular plates, the rectangular plates are connected by a chain, and the chain is connected with a crawler transmission device, and each rectangular plate is obliquely provided with a The hanging bar is used to hang the bearing and lift up. The hanging bar is inclined towards the direction of introducing the bearing into the feeding chute. There is a rotating device at the top of the feeding chute to scrape off the bearings that have not entered the feeding chute. Brush; the feeding device includes two left and right rotating shafts arranged side by side for feeding materials. The left and right rotating shafts have the same length and rotate synchronously. The right rotating shaft is arranged horizontally. One end of the left rotating shaft is high and the other end is low. Intersection occurs, the left and right rotating shafts both include a large diameter section with a larger diameter and a small diameter section with a smaller diameter, the small diameter sections of the left and right rotating shafts are located near the discharge port of the feeding chute, There is a feed roller between them, the upper end of the feed roller is provided with a pressure roller for pressing the feed roller between the small diameter sections of the left and right rotating shafts, and a pressure plate is provided above between the large diameter sections of the left and right rotating shafts to prevent the bearing from jumping out. The hopper is in the shape of a funnel with a large upper part and a smaller lower part. The lower end of the stand on this side of the hopper is also provided with a horizontal section, and the horizontal section is located at the bottom of the hopper. The crawler transmission device includes a crawler transmission motor, a worm gear mechanism and a gear set composed of two left and right gears. The crawler transmission motor is connected to the worm gear mechanism through a belt and a pulley, and the worm gear mechanism is connected to the right gear. Between the left and right gears There is a transmission chain around, and the teeth of the left and right two gears mesh with the transmission chain and then mesh with the chain of the track. The included angle between the left and right rotating shafts is 2-4 degrees. There is also a material blocking protection device in the material lifting device. The material blocking protection device includes a material blocking screen and an auxiliary baffle. For the upper surface of the hopper, the baffle screen can cover the chute when closed, or rest against the auxiliary baffle when opened. The feeding chute includes a linear guide groove and an arc-shaped guide groove. The linear guide groove is arranged obliquely downward. The upper end of the groove is connected, the lower end of the arc-shaped guide groove is connected with the inlet of the feeding roller, and the upper end of the linear guide groove is provided with a linear bead to prevent the bearing in the linear guide groove from jumping out. The width of the linear guide groove is equal to the thickness of the bearing, and the linear bead It is connected with a linear bead height adjustment mechanism; the upper end of the arc guide groove is provided with an arc pressure plate that matches the shape and size of the arc guide groove. The width of the arc guide groove is equal to the diameter of the bearing. The arc pressure plate is connected to adjust The arc-shaped pressure plate height adjustment mechanism for the distance between the arc-shaped pressure plate and the arc-shaped guide groove.

The utility model patent with the application number of 201420156648.3 discloses a centerless grinder feeder, which includes two parallel propulsion shafts and a material guide device for conveying workpieces to the two propulsion shafts. There is an angle between the two propulsion shafts in the vertical direction β, the material guide device has a material guide groove for the workpiece to roll in it. The material guide groove is arranged in an inclined shape with one end high and one end low and perpendicular to the two propulsion axes. The upper end of the material guide groove is connected to the material channel, and the material guide groove The lower end is provided with a baffle and a blanking port located upstream of the baffle, and the blanking port is located above the two propulsion shafts. The feed chute is composed of a bottom plate and two side plates. At least one of the two side panels is adjustable to adjust the distance between the two side panels. The side panels are inclined relative to the vertical direction. The two propulsion shafts are parallel in the horizontal direction; the angle β between the two propulsion shafts in the vertical direction is 2-10°. The initial sections of the two propulsion shafts are made helical. The two propulsion shafts are driven by motors, the two propulsion shafts, the motor and the material guide device are assembled on a frame body, the frame body is assembled on a base, and an adjustment hand wheel for adjusting the height of the frame body is assembled on the frame body and the base . Pressure rollers are arranged above the two propulsion shafts. The lower side of the two propulsion shafts is provided with a hopper.

As mentioned above, the existing centerless grinder feeder is all fed through the material guide device, and the distance between the guide grooves is adjusted by adjusting the distance between the baffles, so as to meet the bearing rings of different sizes. guide material. However, the arrangement of the material guide device and the material guide groove not only leads to a complicated structure of the feeder, but also a cumbersome adjustment process.

Utility model content

In order to solve the problems of complex structure and cumbersome adjustment process in the existing centerless grinder feeder, the utility model provides a centerless grinder roller feeder, which has the characteristics of simple structure and can be applied to bearing rings of different sizes The guide material is easy to adjust.

The technical scheme that the utility model adopts for solving the problems of the technologies described above is:

A roller feeder for a centerless grinding machine, comprising a frame, characterized in that, the frame is fixed with a horizontal fixed frame, and the two ends of the fixed frame are respectively provided with a convex ring, and the convex rings at both ends of the fixed frame Each is equipped with two supporting blocks for supporting the rollers, and the supporting blocks are provided with grooves, and the grooves and the protrusions are adapted to each other; the two rollers are respectively connected to the two ends of the fixed frame On the support block, the two rollers are arranged side by side on the support blocks at both ends of the fixed frame, and there is an angle between the two rollers in the vertical direction; the two rollers are provided with The belt groove, the rollers are connected with the drive motor through the belt, and the drive motor is installed on the fixed frame through the mounting plate arranged obliquely.

The support block is equipped with a bearing seat, and the roller roller is installed on the bearing seat provided on the support block through bearings.

The fixed frame is also provided with a balance bar for stabilizing the support block, and the balance bar passes through the support block and is connected to the fixed frame.

A strip-shaped through-hole is opened on the mounting plate, and the drive motor is installed on the strip-shaped through-hole via bolts.

The drive motor includes a casing, a stator assembly, and a rotor assembly. The rotor assembly includes a motor shaft and a rotor core that is sleeved and fixed on the motor shaft. The rotor core is formed by laminating multiple silicon steel sheets. The rotor assembly has no field winding. A plurality of magnetic steels made of neodymium-iron cooking materials are installed on the rotor iron core, and the silicon steel sheet in the middle part of the rotor iron core has T-shaped bumps distributed along the circumferential direction with the same number of magnetic steels on the outer circumference. , the protrusions on the silicon steel sheet are laminated together to form a slot for the magnetic steel to be embedded, and the two end faces of the magnetic steel are flush with the two end faces of the rotor core.

The stator assembly includes a stator core, an excitation winding and a hard winding support that matches the shape of the stator core. The stator core is provided with a wire slot, and the winding bracket is inserted into the wire slot of the stator core to cover the On the surface of the slot, the excitation winding is wound on the winding bracket.

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

The centerless grinder roller feeder of the present utility model comprises a frame, on which a fixed frame is fixed horizontally, and each of the two ends of the fixed frame is provided with a protrusion, and each of the two ends of the fixed frame is equipped with two The support block used to support the roller, the support block is provided with grooves, and the groove and the protrusion are adapted to each other; the two rollers are respectively connected to the support blocks at both ends of the fixed frame, and the two rollers are arranged side by side on the On the support blocks at both ends of the fixed frame, there is an angle between the two rollers in the vertical direction; there are belt grooves on the two rollers, and the rollers are connected to the drive motor through the belt, and the drive motor is installed on the inclined mounting plate. on the stand. The utility model completes the movement of the support block through the protrusions at both ends of the fixed frame, thereby driving the rollers to move, and realizing the adjustment of the distance between the rollers, so that it can meet the guide material of bearing rings of different sizes, and has the advantages of simple structure and easy operation. Convenient features.

Description of drawings

Fig. 1 is the front view structural representation of the utility model;

Fig. 2 is the installation side view of two support blocks at each end of the utility model fixed frame and the fixed frame;

Fig. 3 is a structural schematic diagram of the drive motor of the present utility model;

Fig. 4 is a schematic structural view of the rotor assembly of the drive motor of the present invention;

Fig. 5 is a schematic structural view of the stator assembly of the drive motor of the present invention;

Marks in the figure: 1. Frame, 2. Drive motor, 3. Fixed frame, 4. Fastening screw, 5. Balance bar, 6. Support block, 7. Groove, 8. Convex, 9. Belt, 10 , roller, 21, casing, 31, rotor assembly, 32, motor shaft, 33, rotor core, 34, bump, 35, magnetic steel, 41, stator assembly, 42, stator core, 43, winding Support, 44, field winding.

Detailed ways

The utility model will be further described below in conjunction with the embodiments, and the described embodiments are only a part of the embodiments of the utility model, not all of them. Based on the embodiments of the present utility model, other used embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the protection scope of the present utility model.

The centerless grinder roller feeder of the present utility model comprises a frame 1, on which a fixed frame 3 arranged horizontally is fixed, two ends of the fixed frame 3 are respectively provided with a protuberance 8, and the protruding frames at both ends of the fixed frame 3 8 are each equipped with two supporting blocks 6 for supporting the rollers 10, and the supporting blocks 6 are provided with grooves 7, and the grooves 7 and the protrusions 8 are adapted to each other; the two rollers 10 are respectively connected to the On the support blocks 6 at both ends, two rollers 10 are arranged side by side on the support blocks 6 at both ends of the fixed frame 3, that is to say, the two ends of each roller 10 are respectively installed on the fixed frame 3 by setting the support blocks 6 Above; there is an included angle between the two rollers 10 in the vertical direction, that is, the height of one end of the rollers is not the same; the two rollers 10 are provided with belt grooves, and the rollers 10 are connected to the drive motor 2 through the belt. The rollers are all driven to rotate together by one group of belts, and the drive motor 2 is installed on the fixed mount 3 through an inclined mounting plate (not shown in the figure). The utility model completes the movement of the support block 6 through the protrusions 8 at both ends of the fixed frame, thereby driving the roller rollers 10 to move, and realizing the adjustment of the distance between the roller rollers 10, thereby being able to meet the guide material of bearing rings of different sizes, and having the advantages of Simple structure, convenient operation and reliable performance. The existing component structure is fully utilized, and the bearing rings of different sizes can be used, and has the characteristics of ingenious design, simplicity and ease of operation, and reduces the manufacturing cost at the same time.

The supporting block 6 of the utility model is equipped with a bearing seat, and the roller roller 10 is installed on the bearing seat provided on the supporting block 6 through a bearing, and the rotation of the roller roller 10 is facilitated by the bearing, so that the utility model has a simple structure. At the same time, in order to prevent foreign matter from entering the bearing, the bearing and the bearing seat of the utility model are equipped with a sealing device to ensure the normal operation of the roller and improve the practicability of the utility model.

In order to further stabilize the support block 6, the fixed frame 3 is also provided with a balance bar 5 for stabilizing the support block 6, and the balance bar 5 passes through the support block 6 and is connected to the fixed frame, that is to say, the support block 6 is sleeved on the balance bar. On the outer circumference of the balance pole 5, and can move along the balance pole 5, preferably, the support block 6 of the present utility model is also equipped with a fastening screw 4, which is convenient for fastening the support block 6 on the balance pole 5, preventing the The sliding situation occurs in the middle support block 6, which improves the practicability of the present utility model.

The mounting plate is provided with a strip-shaped through hole, and the drive motor 2 is installed on the strip-shaped through-hole through bolts; through the strip-shaped through-hole, the tightness of the belt can be adjusted, so as to meet the requirements during the process of adjusting the distance between the rollers 10. , the driving motor 2 and the roller roller 10 can run normally.

Preferably, the driving motor used in the utility model includes a casing 21, a stator assembly 41 and a rotor assembly 31, the rotor assembly 31 includes a motor shaft 32 and a rotor core 33 sleeved and fixed on the motor shaft 32, the rotor core 33 is composed of A plurality of silicon steel sheets are stacked, and the rotor assembly has no excitation winding. A plurality of magnetic steel sheets 35 made of neodymium-iron cooking materials are installed on the rotor iron core 33. The silicon steel sheet in the middle part of the rotor iron core 33 has an edge along the outer circumference. The number of T-shaped bumps 34 distributed in the circumferential direction is the same as that of the magnetic steel 35, and the bumps are deep outward along the radial direction of the silicon steel sheet; the bumps 34 on the silicon steel sheet are stacked together to form a slot for the magnetic steel 35 to embed , the shape of the slot is the same as that of the magnetic steel 35, and the magnetic steel 35 is embedded in the slot for fixing; when the magnetic steel 35 is installed, the two end faces of the magnetic steel 35 must be flush with the two end faces of the rotor core 33 .

Stator assembly 41 comprises stator iron core 42, field winding 44 and the hard winding support 43 that matches with the shape of stator iron core 42, is provided with wire slot on the stator iron core, and winding support 43 inserts the wire of stator iron core 42 The surface of the wire groove is covered in the groove, and the excitation winding 44 is wound on the winding support 43 .

The rotor of the drive motor of the utility model is equipped with magnetic steel of neodymium-boron material on the rotor iron core, without excitation winding, and the neodymium-iron-boron magnetic steel has superior magnetic properties (such as high magnetic energy product and high coercive force), and the material The coercive force is high, and the air gap length can take a larger value, so that the energy-saving effect of the drive motor of the present invention is improved by 17%, and the energy-saving effect is good; in addition, because the maximum magnetic energy product of the NdFeB permanent magnet is very high, especially the energy The ultra-thin permanent magnet is made, so that the motor can realize ultra-fine and low inertia, and the manufacturing cost is saved (saving metal material copper, steel and aluminum resources).

Embodiment one

The centerless grinder roller feeder of the present embodiment includes a frame on which a horizontal fixing frame is fixed, and two ends of the fixing frame are respectively provided with a protrusion, and the protrusions at both ends of the fixing frame are respectively equipped with There are two support blocks for supporting the rollers, and the support blocks are provided with grooves, and the grooves and the protrusions are adapted to each other; the two rollers are respectively connected to the support blocks at both ends of the fixed frame In the above, the two rollers are arranged side by side on the support blocks at both ends of the fixed frame, and there is an angle between the two rollers in the vertical direction; the two rollers are provided with belt grooves , the rollers are connected to the drive motor via a belt, and the drive motor is installed on the fixed frame via an inclined mounting plate.

Embodiment two

The centerless grinder roller feeder of the present embodiment includes a frame on which a horizontal fixing frame is fixed, and two ends of the fixing frame are respectively provided with a protrusion, and the protrusions at both ends of the fixing frame are respectively equipped with There are two support blocks for supporting the rollers, and the support blocks are provided with grooves, and the grooves and the protrusions are adapted to each other; the two rollers are respectively connected to the support blocks at both ends of the fixed frame In the above, the two rollers are arranged side by side on the support blocks at both ends of the fixed frame, and there is an angle between the two rollers in the vertical direction; the two rollers are provided with belt grooves , the rollers are connected to the drive motor via a belt, and the drive motor is installed on the fixed frame via an inclined mounting plate. The support block is equipped with a bearing seat, and the roller roller is installed on the bearing seat provided on the support block through bearings.

Embodiment three

The centerless grinder roller feeder of the present embodiment includes a frame on which a horizontal fixing frame is fixed, and two ends of the fixing frame are respectively provided with a protrusion, and the protrusions at both ends of the fixing frame are respectively equipped with There are two support blocks for supporting the rollers, and the support blocks are provided with grooves, and the grooves and the protrusions are adapted to each other; the two rollers are respectively connected to the support blocks at both ends of the fixed frame In the above, the two rollers are arranged side by side on the support blocks at both ends of the fixed frame, and there is an angle between the two rollers in the vertical direction; the two rollers are provided with belt grooves , the rollers are connected to the drive motor via a belt, and the drive motor is installed on the fixed frame via an inclined mounting plate. The support block is equipped with a bearing seat, and the roller roller is installed on the bearing seat provided on the support block through bearings. The fixed frame is also provided with a balance bar for stabilizing the support block, and the balance bar passes through the support block and is connected to the fixed frame.

Embodiment four

The centerless grinder roller feeder of the present embodiment includes a frame on which a horizontal fixing frame is fixed, and two ends of the fixing frame are respectively provided with a protrusion, and the protrusions at both ends of the fixing frame are respectively equipped with There are two support blocks for supporting the rollers, and the support blocks are provided with grooves, and the grooves and the protrusions are adapted to each other; the two rollers are respectively connected to the support blocks at both ends of the fixed frame In the above, the two rollers are arranged side by side on the support blocks at both ends of the fixed frame, and there is an angle between the two rollers in the vertical direction; the two rollers are provided with belt grooves , the rollers are connected to the drive motor via a belt, and the drive motor is installed on the fixed frame via an inclined mounting plate. The support block is equipped with a bearing seat, and the roller roller is installed on the bearing seat provided on the support block through bearings. The fixed frame is also provided with a balance bar for stabilizing the support block, and the balance bar passes through the support block and is connected to the fixed frame. A strip-shaped through-hole is opened on the mounting plate, and the drive motor is installed on the strip-shaped through-hole via bolts.

Embodiment five

The centerless grinder roller feeder of the present embodiment includes a frame on which a horizontal fixing frame is fixed, and two ends of the fixing frame are respectively provided with a protrusion, and the protrusions at both ends of the fixing frame are respectively equipped with There are two support blocks for supporting the rollers, and the support blocks are provided with grooves, and the grooves and the protrusions are adapted to each other; the two rollers are respectively connected to the support blocks at both ends of the fixed frame In the above, the two rollers are arranged side by side on the support blocks at both ends of the fixed frame, and there is an angle between the two rollers in the vertical direction; the two rollers are provided with belt grooves , the rollers are connected to the drive motor via a belt, and the drive motor is installed on the fixed frame via an inclined mounting plate. The support block is equipped with a bearing seat, and the roller roller is installed on the bearing seat provided on the support block through bearings. The fixed frame is also provided with a balance bar for stabilizing the support block, and the balance bar passes through the support block and is connected to the fixed frame. A strip-shaped through-hole is opened on the mounting plate, and the drive motor is installed on the strip-shaped through-hole via bolts. The drive motor includes a casing, a stator assembly, and a rotor assembly. The rotor assembly includes a motor shaft and a rotor core that is sleeved and fixed on the motor shaft. The rotor core is formed by laminating multiple silicon steel sheets. The rotor assembly has no field winding. A plurality of magnetic steels made of neodymium-iron cooking materials are installed on the rotor iron core, and the silicon steel sheet in the middle part of the rotor iron core has T-shaped bumps distributed along the circumferential direction with the same number of magnetic steels on the outer circumference. , the protrusions on the silicon steel sheet are laminated together to form a slot for the magnetic steel to be embedded, and the two end faces of the magnetic steel are flush with the two end faces of the rotor core. The stator assembly includes a stator core, an excitation winding and a hard winding support that matches the shape of the stator core. The stator core is provided with a wire slot, and the winding bracket is inserted into the wire slot of the stator core to cover the On the surface of the slot, the excitation winding is wound on the winding bracket.

Embodiment six

The centerless grinder roller feeder of the present embodiment includes a frame on which a horizontal fixing frame is fixed, and two ends of the fixing frame are respectively provided with a protrusion, and the protrusions at both ends of the fixing frame are respectively equipped with There are two support blocks for supporting the rollers, and the support blocks are provided with grooves, and the grooves and the protrusions are adapted to each other; the two rollers are respectively connected to the support blocks at both ends of the fixed frame In the above, the two rollers are arranged side by side on the support blocks at both ends of the fixed frame, and there is an angle between the two rollers in the vertical direction; the two rollers are provided with belt grooves , the rollers are connected to the drive motor via a belt, and the drive motor is installed on the fixed frame via an inclined mounting plate. The drive motor includes a casing, a stator assembly, and a rotor assembly. The rotor assembly includes a motor shaft and a rotor core that is sleeved and fixed on the motor shaft. The rotor core is formed by laminating multiple silicon steel sheets. The rotor assembly has no field winding. A plurality of magnetic steels made of neodymium-iron cooking materials are installed on the rotor iron core, and the silicon steel sheet in the middle part of the rotor iron core has T-shaped bumps distributed along the circumferential direction with the same number of magnetic steels on the outer circumference. , the protrusions on the silicon steel sheet are laminated together to form a slot for the magnetic steel to be embedded, and the two end faces of the magnetic steel are flush with the two end faces of the rotor core. The stator assembly includes a stator core, an excitation winding and a hard winding support that matches the shape of the stator core. The stator core is provided with a wire slot, and the winding bracket is inserted into the wire slot of the stator core to cover the On the surface of the slot, the excitation winding is wound on the winding bracket.

Claims (6)

1. A centerless grinding machine roller feeder, comprising a frame, is characterized in that, the frame is fixedly provided with a fixed mount arranged horizontally, and the two ends of the fixed mount are respectively provided with a protrusion, and the two ends of the fixed mount are There are two supporting blocks for supporting the rollers on each of the convex ledges, and the supporting blocks are provided with grooves, and the grooves and the raised ledges are adapted to each other; the roller rollers are respectively connected to the supporting blocks located at both ends of the fixed frame , the rollers are arranged side by side on the support blocks at both ends of the fixed frame, and there is an angle between the rollers in the vertical direction; there are belt grooves on the rollers, and the rollers are connected to the drive motor through a belt, and the drive The motor is installed on the fixed frame through the mounting plate provided obliquely. 2. The roller feeder for centerless grinding machine according to claim 1, characterized in that, the support block is provided with a bearing seat, and the roller roller is mounted on the bearing seat provided on the support block via a bearing. 3. The roller feeder for centerless grinding machine according to claim 2, characterized in that, the fixed frame is also provided with a balance bar for stabilizing the support block, and the balance bar passes through the support block and is connected to the fixed frame. 4 . The roller feeder for centerless grinding machine according to claim 3 , wherein a strip-shaped through hole is opened on the mounting plate, and the driving motor is mounted on the strip-shaped through hole via bolts. 5. The roller feeder for centerless grinding machine according to any one of claims 1-4, characterized in that, the drive motor includes a casing, a stator assembly and a rotor assembly, and the rotor assembly includes a motor shaft and is sleeved and fixed on the motor The rotor core on the shaft. The rotor core is composed of multiple silicon steel sheets laminated. The silicon steel sheet in the middle part has the same number of T-shaped bumps as the number of magnetic steel distributed along the circumferential direction on the outer circumference. The bumps on the silicon steel sheet are stacked together to form a slot for the magnetic steel to embed. flush with both end faces of the rotor core. 6. The roller feeder for centerless grinding machine according to claim 5, wherein the stator assembly includes a stator core, an excitation winding and a hard winding support that matches the shape of the stator core, and the stator iron A wire groove is arranged on the core, and a winding support is inserted into the wire groove of the stator core to cover the surface of the wire groove, and the excitation winding is wound on the winding support.