Centerless grinding machine capable of stably feeding short materials

Abstract

The utility model discloses a centerless grinding machine capable of stably feeding short materials, relates to the field of grinding machines, and solves the problems that feeding of a traditional centerless grinding machine needs continuous intervention of a single person, continuous feeding is conducted all the time, another operator needs to be arranged in a discharging area for discharging, the number of invested manpower members is large, and the cost is high. The bottom of the conveying box is fixedly connected with a plurality of supporting structures, the conveying box is further provided with a feeding structure, the feeding structure comprises a feeding box and a partition plate, the rear end face of the conveying box is fixedly connected with the obliquely-arranged feeding box, the inner bottom of the feeding box is fixedly connected with a plurality of evenly-arranged check blocks, and the rear end of the interior of the conveying box is fixedly connected with the partition plate. And a push plate is arranged at the top of the front side wall of the partition plate, and is fixedly connected with a plurality of uniformly arranged extrusion blocks, so that the personnel demand is reduced, the factory cost is reduced, the production efficiency is also improved, and continuous manual intervention is not needed in the feeding process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of grinding machine, concretely to a centerless grinding machine of stable feeding to short material. BACKGROUND

[0002] Grinding machine is the machine tool that uses grinding tool to grind the surface of workpiece. Most grinding machines use high-speed rotating grinding wheel for grinding, and a few use oilstone, abrasive belt and other grinding tools and free abrasive for processing, such as honing machine, super-precision machine tool, abrasive belt grinding machine, grinding machine and polishing machine.

[0003] The centerless grinding machine is mainly used for polishing the surface of some short rod to improve the roundness and cylindricity. For example, the piston surface needs to be finely ground after the piston pin hole in the compressor is processed. The traditional centerless grinding machine needs a single person to continuously intervene in the feeding, and the feeding is continuously carried out. Another operator is needed to unload in the unloading area. The number of human resources is large, and the cost is high. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a centerless grinding machine of stable feeding to short material which allows a single person to operate feeding and take materials at the outlet position of the centerless grinding machine. This not only reduces the personnel demand and factory cost, but also improves the production efficiency, and can solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a centerless grinding machine of stable feeding to short material, comprising a conveying box, a plurality of support structures are fixedly connected to the bottom of the conveying box, a feeding structure is further installed on the conveying box, the feeding structure comprises a feeding box and a partition plate, the rear end face of the conveying box is fixedly connected with the feeding box arranged obliquely, a plurality of uniformly arranged stop blocks are fixedly connected to the inner bottom of the feeding box, the rear end of the inner part of the conveying box is fixedly connected with the partition plate, the top of the front side wall of the partition plate is provided with a push plate, the push plate is fixedly connected with a plurality of uniformly arranged extrusion blocks, the same number of arc-shaped grooves as the extrusion blocks are formed in the top of the partition plate, the same number of unloading cavities as the arc-shaped grooves are formed in the rear end face of the conveying box and the partition plate, the arc-shaped grooves and the unloading cavities on the partition plate are staggered, the push plate and the extrusion blocks are slidably penetrated through one side face of the conveying box, and a driving structure is further installed on the conveying box.

[0006] Preferably, the support structure comprises a telescopic support rod, a foot pad and an adjusting bolt, a plurality of telescopic support rods are fixedly connected to the front side face and the rear side face of the conveying box, the adjusting bolt is installed at the position of the side wall of the telescopic support rod, the foot pad is installed at the bottom, and the overall height of the conveying box is adjusted to ensure that the feeding operation is carried out at the appropriate height of the centerless grinding machine.

[0007] Preferably, the telescopic supporting rod located at the bottom of the feeding box is fixedly connected with a reinforcing frame on the side, the reinforcing frame is fixedly connected with the bottom of the feeding box, two symmetrical batten plates are fixedly connected with the rear end face of the conveying box, the reinforcing feeding box bears, can accommodate a plurality of short materials, the batten plate can place the short material tray, and the artificial short material is placed in the feeding box.

[0008] Preferably, the driving structure comprises a motor, a swing rod and a conveying belt, the conveying belt is arranged at the bottom of the partition plate, the conveying belt is drivingly connected through two rollers, the two rollers are rotatably arranged at the bottom of the two side faces of the conveying box, the motor is installed on the front side face of the conveying box, the output end of the motor penetrates through the conveying box and is fixedly connected with a main shaft, the other end of the main shaft is fixedly connected with a rotating wheel, one end of the swing rod is rotatably connected with the rotating wheel through a pin shaft, the other end is rotatably connected with the push plate through a pin shaft, and the main shaft and the roller are fixedly sleeved with a belt pulley.

[0009] Preferably, the top and bottom of the conveying box are provided with openings, the side face of the conveying box away from the extrusion block is also provided with an opening, and the front side face and the bottom of the feeding box are provided with openings.

[0010] Preferably, the conveying box is provided with a limiting structure, the limiting structure comprises a limiting rod, the limiting rod is horizontally arranged on the upper surface of the conveying belt, the rear end face is fixedly connected with a plurality of screw rods, the screw rods are threadedly connected with two nuts, the limiting rod can be adjusted, the short material is matched with the short material, the short material is not moved after falling, and the feeding is more stable and continuous.

[0011] Compared with the prior art, the beneficial effects of the utility model are that the short material falls out of the discharging cavity of the partition plate and falls onto the conveying belt surface, when the extrusion block moves out of the arc-shaped groove region, the next short material continuously falls into the arc-shaped groove, the continuous feeding process does not need waiting time, and a single person can operate feeding and take materials at the outlet position of the centerless grinding machine, so that personnel demand is reduced, factory cost is reduced, and production efficiency is improved, because the feeding process no longer needs continuous manual intervention. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is another angle of the utility model three-dimensional structure schematic view;

[0014] Figure 3 It is a three-dimensional structure schematic view of the feeding structure, the driving structure and the limiting structure in the utility model;

[0015] Figure 4The utility model discloses a feeding structure, drive structure and limit structure another angle's three-dimensional structure schematic view for the utility model;

[0016] Figure 5 For Figure 4 The middle A place partial enlargement structure schematic view.

[0017] In the drawing: 1, conveying box;2, support structure;201, telescopic support rod;202, foot pad;203, adjusting bolt;204, reinforcing frame;205, pad;3, feeding structure;301, feeding box;302, stopper;303, baffle;304, push plate;305, extrusion block;306, arc slot;307, discharging cavity;4, drive structure;401, motor;402, roller;403, belt pulley;404, belt;405, main shaft;406, swing bar;407, rotating wheel;408, conveying belt;409, pin shaft;5, limit structure;501, screw;502, nut;503, limit rod. DETAILED DESCRIPTION

[0018] The technical scheme 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, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the protection scope of the utility model.

[0019] Please refer to Figures 1-5, the centerless grinding machine for stable feeding of short materials, including the conveying box 1, the conveying box 1 is equipped with a feeding structure 3, the structure is composed of a feeding box 301 and a partition plate 303, the rear end face of the conveying box 1 is fixedly connected with an inclined feeding box 301, the inner bottom of the feeding box 301 is uniformly provided with a plurality of stoppers 302, the rear end of the conveying box 1 is fixedly connected with a partition plate 303, the top of the front side wall of the partition plate 303 is provided with a push plate 304, the push plate 304 is fixedly connected with a plurality of evenly arranged extrusion blocks 305, the top of the partition plate 303 is provided with a plurality of arc grooves 306 which are the same number as the extrusion blocks 305, the rear end face of the conveying box 1 and the partition plate 303 are both provided with a plurality of discharge cavities 307 which are the same number as the arc grooves 306, the arc grooves 306 and the discharge cavities 307 on the partition plate 303 are staggered, and the push plate 304 and the extrusion block 305 can slide through one side of the conveying box 1, in addition, the conveying box 1 is also provided with a driving structure 4, it needs to be pointed out that the position of the conveying box 1 and the feeding port of the centerless grinding machine is carefully designed, the operator only needs to discharge all the short materials into the feeding box 301, and specifically place them between the two stoppers 302, the short materials can be arranged obliquely on the inner bottom of the feeding box 301 under the action of gravity, the single short material located on the front side will fall through the discharge cavity 307 on the conveying box 1 and fall into the arc groove 306, when the push plate 304 moves horizontally, the extrusion block 305 pushes the short material in the arc groove 306 out, and then the short material falls out of the discharge cavity 307 of the partition plate 303 and falls onto the surface of the conveying belt 408, when the extrusion block 305 moves out of the arc groove 306 area, the next short material will continuously fall into the arc groove 306, this continuous feeding process does not need waiting time, and allows a single person to operate feeding and then take materials on the rear side of the centerless grinding machine, which not only reduces the personnel demand and reduces the factory cost, but also improves the production efficiency, because the feeding process no longer needs continuous manual intervention.

[0020] Please refer to Figure 1 and Figure 2 , the support structure 2 includes telescopic support rods 201, foot pads 202 and adjusting bolts 203, a plurality of telescopic support rods 201 are fixedly connected to the front side and rear side of the conveying box 1, the adjusting bolts 203 are installed on the side walls of the telescopic support rods 201, and the foot pads 202 are installed on the bottoms, it needs to be pointed out that by loosening the adjusting bolts 203, the support height of the telescopic support rods 201 can be adjusted, and then the overall height of the conveying box 1 is adjusted, so as to ensure that the feeding operation is carried out at a suitable height with the centerless grinding machine 1.

[0021] Please refer to Figure 2The reinforcing frame 204 is fixedly connected to the bottom of the reinforcing upper feeding box 301. The conveying box 1 is provided with two symmetrical pad plates 205 fixedly connected to the rear end face. It should be noted that the reinforcing upper feeding box 301 bears the load and can accommodate a large number of short materials. The pad plate 205 can place the short material tray, which facilitates the manual placement of the short material into the upper feeding box 301.

[0022] Referring to Figures 2-5 The driving structure 4 includes a motor 401, a swing rod 406 and a conveying belt 408. The conveying belt 408 is arranged at the bottom of the partition plate 303 and is drivingly connected through two rollers 402. The two rollers 402 are rotatably arranged at the bottom of the two side faces of the conveying box 1. The motor 401 is installed on the front side face of the conveying box 1. The output end of the motor 401 penetrates through the conveying box 1 and is fixedly connected to a main shaft 405. The other end of the main shaft 405 is fixedly connected to a rotating wheel 407. A pin shaft 409 is arranged on the rotating wheel 407 and deviates from the center of the rotating wheel 407. One end of the swing rod 406 is rotatably connected to the rotating wheel 407 through the pin shaft 409, and the other end is rotatably connected to the push plate 304 through the pin shaft 409. One of the rollers 402 and the main shaft 405 are fixedly provided with a belt pulley 403. The two belt pulleys 403 are drivingly connected through a belt 404. It should be noted that the motor 401 is turned on, the rotating wheel 407 is driven to rotate by the main shaft 405, the swing rod 406 is swung back and forth, the push plate 304 is horizontally moved, the extrusion block 305 is pushed to extrude the material, the two belt pulleys 403 are driven by the belt 404 to drive the conveying belt 408 to operate, the short material on the conveying belt 408 is conveyed, and the single motor 401 reduces the investment in electric drive equipment and reduces the cost investment.

[0023] Referring to Figure 1 and Figure 2 The top and bottom of the conveying box 1 are provided with openings. The side face of the conveying box 1 away from the extrusion block 305 is also provided with an opening. The bottom of the upper feeding box 301 is provided with an opening. It should be noted that the opening ensures the normal operation of the feeding process.

[0024] Referring to Figure 2 , Figure 3 and Figure 4The conveying box 1 is installed with a limiting structure 5 on the conveying belt 408, the limiting structure 5 comprises a limiting rod 503, the limiting rod 503 is horizontally arranged on the upper surface of the conveying belt 408, a plurality of screw rods 501 are fixedly connected to the rear end surface, two nuts 502 are threadedly connected to the screw rods 501, it should be noted that the short material falling on the surface of the conveying belt 408 can move horizontally, the limiting rod 503 can be adjusted to match the width of the short material, the short material does not move after falling, and the feeding is more stable and continuous, the adjusting process loosens a single nut 502, so that the two nuts 502 are pressed against the front end surface of the conveying box 1, and the limiting rod 503 is fixed.

[0025] Working principle: the operator only needs to discharge all the short materials into the feeding box 301, and specifically place them between the two stop blocks 302, the short materials can be arranged obliquely at the bottom of the feeding box 301 under the action of gravity, a single short material located at the front side will fall through the discharging cavity 307 on the conveying box 1 and fall into the arc-shaped groove 306, the motor 401 is started, the rotating shaft 405 drives the rotating wheel 407 to rotate, drives the swing rod 406 to swing back and forth, and drags the push plate 304 to move horizontally, when the push plate 304 moves horizontally, the extrusion block 305 pushes the short material in the arc-shaped groove 306 out, the short material then falls out of the discharging cavity 307 of the partition plate 303 and falls onto the surface of the conveying belt 408, the two belt pulleys 403 are driven by the belt 404, and the conveying belt 408 is synchronously driven to operate, the short material falling onto the conveying belt 408 is conveyed, when the extrusion block 305 moves out of the arc-shaped groove 306 region, the next short material will continuously fall into the arc-shaped groove 306, thereby pushing the extrusion block 305 to extrude the material.

[0026] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes-modifications-replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A centerless grinding machine for the stable feeding of short pieces, comprising a feeding magazine (1), characterized in that, The bottom of the conveying box (1) is fixedly connected with a plurality of support structures (2), and a feeding structure (3) is further installed on the conveying box (1), the feeding structure (3) comprises a feeding box (301) and a partition plate (303), the rear end surface of the conveying box (1) is fixedly connected with the feeding box (301) arranged obliquely, a plurality of uniformly arranged stop blocks (302) are fixedly connected to the inner bottom of the feeding box (301), the rear end inside the conveying box (1) is fixedly connected with the partition plate (303), the top of the front side wall of the partition plate (303) is provided with a push plate (304), the push plate (304) is fixedly connected with a plurality of uniformly arranged extrusion blocks (305), the same number of arc-shaped grooves (306) as the extrusion blocks (305) are formed in the top of the partition plate (303), the same number of discharge cavities (307) as the arc-shaped grooves (306) are formed in the rear end surface of the feeding box (301) and the partition plate (303), the arc-shaped grooves (306) and the discharge cavities (307) on the partition plate (303) are arranged alternately, and the push plate (304) and the extrusion block (305) are both slidably penetrated through one side surface of the conveying box (1), and a driving structure (4) is further installed on the conveying box (1).

2. A centerless grinder for stabilizing short workpieces, according to claim 1, characterized in that: The support structure (2) comprises a telescopic support rod (201), a foot pad (202) and an adjusting bolt (203), a plurality of telescopic support rods (201) are fixedly connected to the front side surface and the rear side surface of the conveying box (1), the adjusting bolt (203) is installed on the side wall of the telescopic support rod (201), and the foot pad (202) is installed on the bottom.

3. A centerless grinding machine for stable feeding of short workpieces according to claim 2, characterized in that: The telescopic support rod (201) located at the bottom position of the feeding box (301) is fixedly connected with a reinforcing frame (204) on the side, the reinforcing frame (204) is fixedly connected with the bottom of the feeding box (301), and the rear end surface of the conveying box (1) is fixedly connected with two symmetrically arranged backing plates (205).

4. A centerless grinding machine for stable feeding of short workpieces according to claim 1, characterized in that: The driving structure (4) comprises a motor (401), a swing rod (406) and a conveying belt (408), the conveying belt (408) is arranged at the bottom position of the partition plate (303), the conveying belt (408) is drivingly connected through two rollers (402), the two rollers (402) are rotatably arranged at the bottom positions of the two side surfaces of the conveying box (1), the motor (401) is installed on the front side surface of the conveying box (1), the output end of the motor (401) penetrates through the conveying box (1) and is fixedly connected with a main shaft (405), the other end of the main shaft (405) is fixedly connected with a rotating wheel (407), one end of the swing rod (406) is rotatably connected with the rotating wheel (407) through a pin shaft (409), the other end of the swing rod (406) is rotatably connected with the push plate (304) through a pin shaft (409), and the roller (402) and the main shaft (405) are both fixedly sleeved with a belt pulley (403), and the two belt pulleys (403) are drivingly connected through a belt (404).

5. A centerless grinding machine for stable feeding of short workpieces according to claim 4, characterized in that: The top and the bottom of the conveying box (1) are both provided as open, and the side surface of the conveying box (1) away from the extrusion block (305) is also provided as open, and the front side surface and the bottom of the feeding box (301) are provided as open.

6. A centerless grinding machine for stable feeding of short workpieces according to claim 4, characterized in that: The conveying box (1) is located on the conveying belt (408) and is provided with a limiting structure (5), the limiting structure (5) comprises a limiting rod (503), the limiting rod (503) is horizontally arranged on the upper surface of the conveying belt (408), the rear end surface is fixedly connected with a plurality of screw rods (501), and the screw rods (501) are threadedly connected with two nuts (502).

Images