Steel bar chamfering device

Abstract

The utility model discloses a steel bar chamfering device which comprises a machining table and a steel bar to be machined, a first limiting sliding groove is formed in the machining table, a first limiting sliding block is installed in the first limiting sliding groove in a sliding mode, and a sliding table is fixedly connected to the first limiting sliding block. Two supporting rollers are symmetrically and rotationally installed on the sliding table through supports, a vertical frame is fixedly connected to the position, close to the rear edge, of the sliding table, a second limiting sliding groove is formed in the vertical frame, a limiting sliding block is slidably installed in the second limiting sliding groove, and a connecting arm is fixedly connected to the front face of the limiting sliding block; and an upper extrusion roller is rotationally mounted below the connecting arm through a bracket. The worm can be driven to rotate by starting the third motor, the worm rotates to drive the worm gear to rotate, the worm gear rotates to drive the power motor to rotate through the connecting shaft, then the angle of the power motor is adjusted, the grinding disc can be adjusted to different angles, and then chamfering machining of different angles is conducted on the to-be-machined steel bar.

Description

TECHNICAL FIELD

[0001] The utility model relates to a chamfering device, especially a steel bar chamfering device. BACKGROUND

[0002] In the production process of steel bar, the steel bar will be cut into a certain length, and there will be many burrs on the cutting end face of the two ends of the steel bar after cutting. In order to avoid the burrs scratching the fingers, the chamfering device is needed to chamfer the cutting surface.

[0003] For example, a chamfering device for steel bar production disclosed in Chinese patent publication No. CN210281721U includes a clamping mechanism and a chamfering mechanism, and also includes a mounting plate. A sliding groove is opened at the top of the mounting plate. The clamping mechanism includes a first vertical column and a second vertical column. The bottom end of the first vertical column is fixedly connected to the mounting plate. A horizontal rod is fixedly connected to the outer wall of one side of the first vertical column. A plug hole is opened in the side wall of the second vertical column. One end of the horizontal rod passes through the plug hole. A vertical plate is fixedly connected to one end of the horizontal rod. The vertical plate is fixedly connected to the mounting plate. A slot is opened in the side wall of the horizontal rod. Fixed blocks are fixedly connected to the top ends of the first vertical column and the second vertical column. Plug holes are opened in the side walls of the fixed blocks. The chamfering device is used in the production process of steel bar. The device is convenient for workers to chamfer steel bars of different lengths. It is easy to operate and easy to use, improving the convenience of the device.

[0004] The above-mentioned existing chamfering device for steel bar production has some problems when in use. First of all, according to the needs of different customers, the chamfering angle of the steel bar has different needs. The motor of the device is fixedly connected to the side surface through the fixing seat. The angle of the grinding disc is difficult to adjust, which makes it impossible to perform chamfering operation at other angles. Secondly, the steel bar is fixed by using the fixed block. When other diameter steel bars need to be processed, the clamps matched with them need to be replaced, which is relatively cumbersome. SUMMARY

[0005] The purpose of the utility model is to provide a steel bar chamfering device to solve the problems mentioned in the background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: A steel bar chamfering device, including processing table, steel bar to be processed, the first limit sliding slot is seted up on the processing table upper surface, the first limit sliding block is slidably installed in the first limit sliding slot, the first limit sliding block upper surface is fixedly connected with sliding table, two support rollers are symmetrically rotatably installed on the sliding table upper surface through support, the sliding table upper surface is fixedly connected with stand near the rear edge position, the second limit sliding slot is seted up in the stand, the limit sliding block is slidably installed in the second limit sliding slot, the limit sliding block front surface is fixedly connected with connecting arm, the upper extrusion roller is rotatably installed on the connecting arm lower surface through support, the processing table upper surface is fixedly connected with support rod, the support rod upper end is fixedly connected with support frame, the support frame lower surface is fixedly connected with hinged arm, the power motor is arranged between the hinged arms, the connecting shaft is fixedly connected on the both sides of the power motor, the connecting shaft is rotatably connected with the hinged arm, the power motor output end is fixedly connected with polishing disc.

[0007] Preferably, the first motor is fixedly connected on one side of the processing table, the support leg is fixedly connected on the processing table lower surface, the screw rod is rotatably installed in the first limit sliding slot, the first motor output end is fixedly connected with one end of the screw rod, the threaded through hole is seted up in the first limit sliding block, and the threaded through hole is threadedly matched with the screw rod.

[0008] Preferably, the abutting block is fixedly connected on the sliding table upper surface near one side edge position.

[0009] Preferably, the electric telescopic rod is fixedly connected in the second limit sliding slot, and the electric telescopic rod upper end is fixedly connected with the limit sliding block.

[0010] Preferably, the worm is rotatably installed on one side of the hinged arm through the bearing seat, the third motor is fixedly connected on the rear surface of one side of the hinged arm, and the third motor output end is fixedly connected with the worm.

[0011] Preferably, the worm wheel is fixedly connected on the other end of one side of the connecting shaft, and the worm wheel is matched with the worm.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The third motor can drive the worm to rotate, the worm rotation can drive the worm wheel to rotate, the worm wheel rotation can drive the power motor to rotate through the connecting shaft, thereby adjusting the angle of the power motor, the polishing disc can be adjusted to different angles, and the steel bar to be processed can be chamfered at different angles.

[0014] 2. The steel bar to be processed is placed between the two support rollers, the electric telescopic rod is started to drive the limit sliding block to move down, the limit sliding block moves down to drive the upper extrusion roller to move down and extrude the steel bar to be processed, and the steel bar to be processed with different diameters can be fixedly positioned. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a whole structure schematic view of the utility model;

[0016] Figure 2 is another whole structure schematic view of the utility model;

[0017] Figure 3 is a sliding table, stand structure schematic view of the utility model;

[0018] Figure 4 is a support frame, power motor structure schematic view of the utility model.

[0019] In the drawing: 1, processing table; 101, support leg; 102, first limit sliding groove; 103, screw rod; 104, first motor; 2, sliding table; 201, abutment block; 202, support roller; 203, first limit sliding block; 204, threaded hole; 3, stand; 301, second limit sliding groove; 302, limit sliding block; 303, connecting arm; 304, upper extrusion roller; 305, electric telescopic rod; 4, support frame; 401, support rod; 402, hinged arm; 403, worm; 404, third motor; 5, power motor; 501, polishing disc; 502, connecting shaft; 503, worm wheel; 6, steel bar to be processed. DETAILED DESCRIPTION

[0020] The technical solutions 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a technical scheme: a steel bar chamfering device, including processing table 1, steel bar 6 to be processed, the first limit sliding slot 102 is seted up on processing table 1 upper surface, the first limit sliding block 203 is slidably installed in the first limit sliding slot 102, the sliding table 2 is fixedly connected on the first limit sliding block 203 upper surface, two support rollers 202 are symmetrically rotatably installed on the sliding table 2 upper surface through support, the vertical frame 3 is fixedly connected on the sliding table 2 upper surface and near the rear edge position, the second limit sliding slot 301 is seted up in the vertical frame 3, the limit sliding block 302 is slidably installed in the second limit sliding slot 301, the connecting arm 303 is fixedly connected on the limit sliding block 302 front, the upper extrusion roller 304 is rotatably installed on the connecting arm 303 lower surface through support, the support rod 401 is fixedly connected on the processing table 1 upper surface, the support frame 4 is fixedly connected on the support rod 401 upper end, the hinged arm 402 is symmetrically fixedly connected on the support frame 4 lower surface, the power motor 5 is arranged between the hinged arm 402, the connecting shaft 502 is fixedly connected on the power motor 5 both sides, the connecting shaft 502 is rotatably connected with the hinged arm 402, the grinding disc 501 is fixedly connected on the power motor 5 output end.

[0022] In the embodiment, the two support rollers 202 can be used to support the steel bar 6 to be processed with different diameters, then the limit sliding block 302 is moved downward to drive the connecting arm 303 to move, the connecting arm 303 drives the upper extrusion roller 304 to move downward, the upper extrusion roller 304 is located at the position between the two support rollers 202, then the connecting arm 303 moves downward to extrude the steel bar 6 to be processed, and the steel bar 6 to be processed is fixed on the two support rollers 202, so that the steel bar 6 to be processed with different diameters can be clamped and fixed, the power motor 5 is rotatably connected with the hinged arm 402 through the grinding disc 501, then the power motor 5 can be rotated to adjust the angle, the power motor 5 is rotated to drive the grinding disc 501 to rotate, then the grinding disc 501 is adjusted to the appropriate angle, so that the steel bar 6 to be processed can be chamfered at different angles, and the support roller 202 and the upper extrusion roller 304 can rotate, so that the steel bar 6 to be processed can rotate, after the end of the steel bar 6 to be processed contacts the grinding disc 501, the grinding disc 501 drives the steel bar 6 to be processed to rotate, then the end edge of the steel bar 6 to be processed is chamfered.

[0023] In order to achieve the purpose of driving the sliding table 2 to move, the device adopts the following technical scheme: the first motor 104 is fixedly connected on one side of the processing table 1, the support leg 101 is fixedly connected on the lower surface of the processing table 1, the screw rod 103 is rotatably installed in the first limit sliding slot 102, the output end of the first motor 104 is fixedly connected with one end of the screw rod 103, the threaded hole 204 is seted up in the first limit sliding block 203, the threaded hole 204 is threadedly matched with the screw rod 103, the abutting block 201 is fixedly connected on the upper surface of the sliding table 2 and near one side edge position, the electric telescopic rod 305 is fixedly connected in the second limit sliding slot 301, and the upper end of the electric telescopic rod 305 is fixedly connected with the limit sliding block 302.

[0024] The first motor 104 is started to drive the screw rod 103 to rotate, the screw rod 103 is screwed with the threaded hole 204, and then the screw rod 103 rotates to drive the first limiting sliding block 203 to move, the first limiting sliding block 203 moves to drive the sliding table 2 to move, the sliding table 2 moves to drive various components above to move, and then the steel bar 6 to be processed continuously approaches the grinding disc 501 to perform the chamfering operation, the electric telescopic rod 305 is started to drive the limiting sliding block 302 to move, and then the upper extrusion roller 304 is driven to move, the upper extrusion roller 304 is used in cooperation with the supporting roller 202 to limit the steel bar 6 to be processed, the stop block 201 is in contact with the end of the steel bar 6 to be processed, and when the sliding table 2 is in contact with the grinding disc 501 at the front end, the grinding disc 501 is in contact with the end of the steel bar 6 to be processed, so that the problem that the steel bar 6 to be processed slides backward is avoided.

[0025] In order to realize the purpose of adjusting the angle of the power motor 5, the device adopts the following technical scheme: the one-side hinge arm 402 is rotatably installed with the worm 403 through the bearing seat, the rear of the one-side hinge arm 402 is fixedly connected with the third motor 404, the output end of the third motor 404 is fixedly connected with the worm 403, the other end of the one-side connecting shaft 502 is fixedly connected with the worm wheel 503, and the worm wheel 503 is matched with the worm 403.

[0026] The third motor 404 is started to drive the worm 403 to rotate, the worm 403 is matched with the worm wheel 503, then the worm 403 rotates to drive the worm wheel 503 to rotate, the worm wheel 503 rotates to drive the power motor 5 to rotate through the connecting shaft 502, and then the angle of the power motor 5 is adjusted.

[0027] The working principle and use process of the device are as follows: when the device is used, the steel bar 6 to be processed is placed between the two supporting rollers 202, and the end of the steel bar 6 to be processed is in contact with the stop block 201, the electric telescopic rod 305 is started to drive the limiting sliding block 302 to move downwards, the limiting sliding block 302 moves downwards to drive the upper extrusion roller 304 to move downwards to extrude the steel bar 6 to be processed, the third motor 404 is started to drive the power motor 5 to rotate, the power motor 5 rotates to drive the grinding disc 501 to rotate, the grinding disc 501 is adjusted to an appropriate angle, the first motor 104 is started to drive the screw rod 103 to rotate, the screw rod 103 rotates to drive the sliding table 2 to move, the sliding table 2 moves to drive the steel bar 6 to be processed to move, the end of the steel bar 6 to be processed is in contact with the grinding disc 501, and then the front end of the steel bar 6 to be processed is chamfered.

[0028] Although the embodiments of the device have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the device, and the scope of the device is defined by the appended claims and their equivalents.

Claims

1. A steel bar chamfering device, comprising a processing table (1) and a steel bar to be processed (6), characterized in that: The processing table (1) is provided with a first limiting slide groove (102), and a first limiting slider (203) is slidably installed in the first limiting slide groove (102). A sliding table (2) is fixedly connected to the first limiting slider (203). Two support rollers (202) are symmetrically rotated on the sliding table (2) through a bracket. A stand (3) is fixedly connected to the sliding table (2) near the rear edge. A second limiting slide groove (301) is provided in the stand (3), and a limiting slider (302) is slidably installed in the second limiting slide groove (301). The limiting slider (302) is directly... A connecting arm (303) is fixedly connected to the surface. An upper extrusion roller (304) is rotatably mounted on the lower part of the connecting arm (303) via a bracket. A support rod (401) is fixedly connected to the top of the processing table (1). A support frame (4) is fixedly connected to the upper end of the support rod (401). A hinge arm (402) is symmetrically fixedly connected to the lower part of the support frame (4). A power motor (5) is arranged between the hinge arms (402). A connecting shaft (502) is fixedly connected to both sides of the power motor (5). The connecting shaft (502) is rotatably connected to the hinge arm (402). A grinding disc (501) is fixedly connected to the output end of the power motor (5).

2. The steel bar chamfering device according to claim 1, characterized in that: A first motor (104) is fixedly connected to one side of the processing table (1), and a support leg (101) is fixedly connected to the bottom of the processing table (1). A screw (103) is rotatably installed in the first limiting slide groove (102). The output end of the first motor (104) is fixedly connected to one end of the screw (103). A threaded through hole (204) is opened in the first limiting slider (203), and the threaded through hole (204) is threadedly engaged with the screw (103).

3. The steel bar chamfering device according to claim 1, characterized in that: A stop block (201) is fixedly attached to the sliding table (2) near one edge.

4. The steel bar chamfering device according to claim 1, characterized in that: An electric telescopic rod (305) is fixedly connected inside the second limiting slide groove (301), and the upper end of the electric telescopic rod (305) is fixedly connected to the limiting slider (302).

5. A steel bar chamfering device according to claim 1, characterized in that: A worm gear (403) is rotatably mounted on one side of the hinge arm (402) via a bearing seat, and a third motor (404) is fixedly connected to the rear of the hinge arm (402) on the other side. The output end of the third motor (404) is fixedly connected to the worm gear (403).

6. A steel bar chamfering device according to claim 5, characterized in that: A worm gear (503) is fixed to the other end of the connecting shaft (502) on one side, and the worm gear (503) cooperates with the worm (403).

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