CN210889946U - A three-point belt drive mechanism for trimming machine - Google Patents

Abstract

The utility model discloses a three-point belt transmission mechanism of an edge trimmer, which relates to the field of woodworking machinery and comprises a driving pulley, a driven pulley and a tensioning pulley. The shaft passes through the operating table and is connected to the output end of the motor arranged under the operating table; the driven pulley is coaxially connected to the driven shaft, and the driven shaft is rotated and arranged on the operating table through the bearing device; the tensioning The pulley is rotatably arranged on the tensioning pulley sliding frame, the tensioning pulley sliding frame is horizontally slidably arranged on the tensioning pulley fixing frame, and the tensioning pulley fixing frame is fixedly arranged on the tensioning pulley base, so The tensioning pulley base is provided with an ejector rod, and the front end of the ejector rod collides with the tensioning pulley sliding frame. The utility model adopts a three-point belt drive, which is easy to adjust the tightness of the belt compared with the two-point drive adopted in the original technical scheme.

Description

A three-point belt drive mechanism for trimming machine

technical field

The utility model relates to the field of woodworking machinery, in particular to a three-point belt transmission mechanism of an edge trimmer.

Background technique

Woodworking edge sealing and trimming machine is a kind of mechanical equipment for edge-sealing the side of wooden boards. The transmission device in the existing woodworking edge sealing and trimming machine generally adopts two-point transmission, and the transmission belt is prone to loosening after long-term use, and The motor is generally set above the operating table. In the actual production process, irregular wood may touch the motor and affect the processing operation.

Utility model content

In order to overcome the above-mentioned defects in the prior art, the utility model provides a three-point belt transmission mechanism of an edge trimmer.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a three-point belt transmission mechanism of an edge trimmer, comprising an operating table, a driving pulley, a driven pulley, a tensioning pulley, a tensioning pulley sliding frame, The tensioning pulley fixing frame, the tensioning pulley base, the ejector rod and the limit ring, the driving pulley, the driven pulley and the tensioning pulley are arranged above the operating table in a triangular apex position. The pulley is coaxially connected to the drive shaft, the drive shaft passes through the operating table and is connected to the output end of the motor arranged under the operating table; the driven pulley is coaxially connected to the driven shaft, and the driven shaft passes through the bearing The device is rotatably arranged on the operating table; the tensioning pulley is rotatably arranged on the tensioning pulley sliding frame, and the tensioning pulley sliding frame is horizontally slidably arranged on the tensioning pulley fixing frame, and the tensioning pulley fixing frame The tensioning pulley base is fixedly arranged on the tensioning pulley base through the threaded fixing piece, the tensioning pulley base is fixedly arranged above the operating table through the threaded fixing piece, and a top rod is arranged on the tensioning pulley base, and the topping The front end of the rod collides with the sliding frame of the tensioning pulley, and the top rod passes through the fixing frame of the tensioning pulley, the base of the tensioning pulley and the limit ring, and the limit ring is fixedly arranged on the tensioning belt through the threaded fastener The rear end of the wheel base, the rear end of the ejector rod is coaxially fixed with a knob, the rear section of the ejector rod is provided with a thread and is matched with a fixing nut, and the fixing nut is screwed on the ejector rod and abuts the front and rear limit. ring.

The beneficial effect of the utility model is that the utility model adopts the three-point belt drive, compared with the two-point drive adopted by the original technical solution, it is easy to adjust the belt tightness, the motor is below the operating platform, and the irregular wood will not be in the actual production process. touch the motor.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the three-dimensional structure diagram of the utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is the sectional view along the A direction of Fig. 2;

Fig. 4 is a partial enlarged view of region I in Fig. 3;

FIG. 5 is a partial enlarged view of the II region in FIG. 3 .

In the figure 1. Operating table, 2. Driving pulley, 3. Driven pulley, 4. Tensioning pulley, 5. Tensioning pulley sliding frame, 6. Tensioning pulley fixing frame, 7. Tensioning belt Wheel base, 8. Top rod, 9. Limit ring, 10. Driving shaft, 11. Driven shaft, 12. Bearing device, 13. Knob, 14. Fixing nut.

Detailed ways

In order to illustrate the technical solutions of the present invention more clearly, the present invention will be further described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only an embodiment of the present invention, which is not suitable for those skilled in the art. In other words, on the premise of no creative work, obtaining other embodiments according to the drawings and the embodiments all belong to the protection scope of the present invention.

A three-point belt transmission mechanism of an edge trimming machine, comprising an operating table 1, a driving pulley 2, a driven pulley 3, a tensioning pulley 4, a tensioning pulley sliding frame 5, a tensioning pulley fixing frame 6, a tensioning pulley The tensioning pulley base 7, the ejector rod 8 and the limit ring 9, the driving pulley 2, the driven pulley 3 and the tensioning pulley 4 are arranged above the operating table 1 in a triangular apex position. The wheel 2 is coaxially connected to the driving shaft 10, and the driving shaft 10 passes through the operating table 1 and is connected to the output end of the motor arranged under the operating table 1; the driven pulley 3 is coaxially connected to the driven shaft 11, so The driven shaft 11 is rotatably arranged on the operating table 1 through the bearing device 12; the tensioning pulley 4 is rotatably arranged on the tensioning pulley sliding frame 5, and the tensioning pulley sliding frame 5 is horizontally slidably arranged on the tensioning belt A wheel fixing frame 6, the tensioning pulley fixing frame 6 is fixedly arranged on the tensioning pulley base 7 through a threaded fixing piece, and the tensioning pulley base 7 is fixedly arranged above the operating table 1 through a threaded fixing piece, The tensioning pulley base 7 is provided with an ejector rod 8, the front end of the ejector rod 8 is in contact with the tensioning pulley sliding frame 5, and the ejector rod 8 passes through the tensioning pulley fixing frame 6 and the tensioning belt. A wheel base 7 and a limit ring 9, the limit ring 9 is fixedly arranged at the rear end of the tensioning pulley base 7 through a threaded fastener, and a knob 13 is coaxially fixed at the rear end of the top rod 8. The rear section of the ejector rod 8 is provided with threads and is matched with a fixing nut 14 . The fixing nut 14 is screwed on the ejector rod 8 and abuts the limit ring 9 back and forth.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present invention within the spirit and protection scope of the present invention, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present invention.

Claims (1)

1. The utility model provides a three-point type belt drive of trimmer, includes operation mesa (1), driving pulley (2), driven pulley (3), tensioning band pulley (4), tensioning band pulley carriage (5), tensioning band pulley mount (6), tensioning band pulley base (7), ejector pin (8) and spacing ring (9), its characterized in that: the driving belt wheel (2), the driven belt wheel (3) and the tensioning belt wheel (4) are arranged above the operation table board (1) in a triangular vertex position, the driving belt wheel (2) is coaxially connected with the driving shaft (10), and the driving shaft (10) penetrates through the operation table board (1) and is connected with the output end of a motor arranged below the operation table board (1); the driven belt wheel (3) is coaxially connected with a driven shaft (11), and the driven shaft (11) is rotatably arranged on the operation table top (1) through a bearing device (12); the tensioning belt wheel is characterized in that the tensioning belt wheel (4) is rotatably arranged on a tensioning belt wheel sliding frame (5), the tensioning belt wheel sliding frame (5) is horizontally slidably arranged on a tensioning belt wheel fixing frame (6), the tensioning belt wheel fixing frame (6) is fixedly arranged on a tensioning belt wheel base (7) through a thread fixing piece, the tensioning belt wheel base (7) is fixedly arranged above the operation table board (1) through a thread fixing piece, a mandril (8) is arranged on the tensioning belt wheel base (7), the front end of the mandril (8) is abutted against the tensioning belt wheel sliding frame (5), the mandril (8) passes through the tensioning belt wheel fixing frame (6), the tensioning belt wheel base (7) and a spacing ring (9), the spacing ring (9) is fixedly arranged at the rear end of the tensioning belt wheel base (7) through the thread fixing piece, and a knob, the rear section of the ejector rod (8) is provided with threads and is provided with a fixing nut (14) in a matching mode, and the fixing nut (14) is screwed on the ejector rod (8) and abuts against the limiting ring (9) from front to back.

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