Feeding device for small numerical control milling machine

Abstract

The feeding device for the small numerical control milling machine comprises a fixed disc, a rotating plate is movably connected into the fixed disc, a plurality of evenly-distributed feeding grooves are formed in the position, close to the outer side, of the top of the rotating plate, and a rotating shaft is fixedly connected to the position, close to the middle, of the bottom of the rotating plate. The bottom end of the rotating shaft is movably connected with the bottom of an inner cavity of the fixing disc through a bearing, the bottom end of the rotating shaft penetrates through an inner ring of the bearing and extends to the position below the fixing disc, and a Japanese tile wheel mechanism is arranged below the fixing disc and close to the middle. Through a series of structures, the feeding device has the advantages of being convenient to feed, high in efficiency, stable in feeding and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control milling machine loading, in particular to a loading device for a small numerical control milling machine. Background Art

[0002] CNC milling machine is a milling machine controlled by electronic digital signals. It is an automatic processing equipment developed on the basis of general milling machine. In 1986, Tianjin Machine Tool Research Institute (Sixth Machine Tool Factory) first successfully developed XK8126 economical CNC universal tool milling machine. When loading batches of materials, the loading procedures are fixed. In this way, manual loading not only wastes manpower, but also has certain safety hazards. In this regard, we propose a loading device for small CNC milling machines. Utility Model Content

[0003] The technical problem solved by the utility model is to overcome the defects of the prior art and provide a feeding device for a small CNC milling machine.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A feeding device for a small CNC milling machine comprises a fixed plate, a rotating plate is movably connected to the fixed plate, a plurality of evenly distributed feeding grooves are provided at the top of the rotating plate near the outside, a rotating shaft is fixedly connected to the bottom of the rotating plate near the middle, the bottom end of the rotating shaft is movably connected to the bottom of the inner cavity of the fixed plate through a bearing, the bottom end of the rotating shaft passes through the inner ring of the bearing and extends to the bottom of the fixed plate, a Geneva wheel mechanism is arranged near the middle below the fixed plate, a connecting block is fixedly connected to the top of the fixed plate near the left side, a feeding pipe is fixedly connected to the right wall of the connecting block, and a milling machine body is arranged above the fixed plate near the right side.

[0006] Preferably, the side wall of the rotating plate is movably connected with a plurality of evenly distributed pulleys via a rotating shaft and a bearing, and the inner wall of the fixed disk is provided with an annular groove matching the pulleys.

[0007] Preferably, a plurality of evenly distributed grooves are provided at the bottom of the inner cavity of the fixed disk near the front, and the inner wall of the groove is movably connected with a rotating roller via a rotating shaft and a bearing.

[0008] Preferably, a rubber pad is sleeved on the rotating roller.

[0009] Preferably, the Geneva wheel mechanism includes a driven wheel, the bottom end of the rotating shaft is fixedly connected to the top of the driven wheel, a driving wheel is arranged on the left side of the driven wheel, an arc groove matching the driven wheel is opened on the right wall of the driving wheel, a plurality of evenly distributed arc grooves matching the driving wheel are opened on the side wall of the driven wheel, a fixed block is fixedly connected to the bottom of the driving wheel near the right side, a fixed shaft is fixedly connected to the top of the fixed block near the right side, and a plurality of evenly distributed grooves matching the fixed shaft are opened on the side wall of the driven wheel, a driving motor is fixedly connected to the top of the driving wheel, and a mounting groove matching the driving motor is opened on the bottom of the fixed plate near the left side.

[0010] Preferably, a discharge hole is provided at the bottom of the inner cavity of the fixed plate near the rear right side, and a lower hopper is fixedly connected to the bottom of the fixed plate near the discharge hole.

[0011] Preferably, a plurality of evenly distributed support rods are fixedly connected to the bottom of the fixed plate near the outer side.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the present technical solution, through the cooperation between the driving motor and the Geneva wheel mechanism, the rotating shaft can drive the rotating plate to rotate intermittently, and the stability of the rotating plate during rotation is ensured by the setting of the pulley, so that the convenient unloading and feeding of the device can be achieved by aligning the loading trough on the rotating plate with the unloading pipe, which can effectively improve its feeding efficiency; through the setting of the rotating roller, the sliding friction between the material and the bottom of the inner cavity of the fixed disk can be changed to the rolling friction between the rotating roller, thereby effectively reducing the resistance during material transportation and making the transportation more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model;

[0016] Figure 3 This is a top view of the fixed plate of the utility model;

[0017] Figure 4 This is a top view of the Geneva wheel mechanism of the utility model;

[0018] Figure 5 for Figure 2 Enlarged view of point A in the middle.

[0019] Numbers in the figure: 1. fixed plate; 2. discharge hopper; 3. driven wheel; 4. fixed block; 5. fixed shaft; 6. driving wheel; 7. driving motor; 8. support rod; 9. connecting block; 10. discharge pipe; 11. milling machine body; 12. rotating plate; 13. pulley; 14. feeding trough; 15. rotating roller. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5The utility model provides a technical solution: a feeding device for a small CNC milling machine, comprising a fixed plate 1, a rotating plate 12 is movably connected inside the fixed plate 1, a plurality of evenly distributed pulleys 13 are movably connected to the side wall of the rotating plate 12 through a rotating shaft and a bearing, and an annular slide groove matching the pulley 13 is opened on the inner wall of the fixed plate 1, a plurality of evenly distributed feeding grooves 14 are opened near the outer side of the top of the rotating plate 12, a plurality of evenly distributed grooves are opened near the front of the bottom of the inner cavity of the fixed plate 1, a rotating roller 15 is movably connected to the inner wall of the groove through a rotating shaft and a bearing, a rubber cushion is sleeved on the rotating roller 15, and the rotating plate 12 is movably connected to the rotating plate 12 through a rotating shaft and a bearing. A rotating shaft is fixedly connected near the middle of the bottom, the bottom end of the rotating shaft is movably connected to the bottom of the inner cavity of the fixed disk 1 through a bearing, the bottom end of the rotating shaft passes through the inner ring of the bearing and extends to the bottom of the fixed disk 1, and a Geneva wheel mechanism is arranged near the middle below the fixed disk 1, the Geneva wheel mechanism includes a driven wheel 3, the bottom end of the rotating shaft is fixedly connected to the top of the driven wheel 3, a driving wheel 6 is arranged on the left side of the driven wheel 3, an arc groove matching the driven wheel 3 is opened on the right wall of the driving wheel 6, and a number of evenly distributed arc grooves matching the driving wheel 6 are opened on the side wall of the driven wheel 3, a fixed block 4 is fixedly connected to the bottom of the driving wheel 6 near the right side, and the top of the fixed block 4 near the right A fixed shaft 5 is fixedly connected to the side, and a plurality of evenly distributed slots matching the fixed shaft 5 are opened on the side wall of the driven wheel 3. A driving motor 7 is fixedly connected to the top of the driving wheel 6, and a mounting groove matching the driving motor 7 is opened near the left side of the bottom of the fixed disk 1. A connecting block 9 is fixedly connected to the top of the fixed disk 1 near the left side, and a discharge pipe 10 is fixedly connected to the right wall of the connecting block 9. A milling machine body 11 is arranged above the fixed disk 1 near the right side, a discharge hole is opened at the bottom of the inner cavity of the fixed disk 1 near the rear right, and a discharge hopper 2 is fixedly connected to the bottom of the fixed disk 1 near the discharge hole, and a fixed connection is fixedly connected to the bottom of the fixed disk 1 near the outside. There are several evenly distributed support rods 8. Through the cooperation between the driving motor 7 and the Geneva wheel mechanism, the rotating shaft can drive the rotating plate 12 to rotate intermittently. The setting of the pulley 13 ensures the stability of the rotating plate 12 during rotation, so that the loading trough 14 on the rotating plate 12 is aligned with the unloading pipe 10 to realize convenient unloading and feeding of the device, which can effectively improve its feeding efficiency; through the setting of the rotating roller 15, the sliding friction between the material and the bottom of the inner cavity of the fixed plate 1 can be changed into the rolling friction between the rotating roller 15, thereby effectively reducing the resistance during the material transportation process and making the transportation more stable.

[0022] Working principle: when in use, the materials are neatly placed in the discharge pipe 10, and the materials at the bottom fall into the corresponding feeding trough 14 on the rotating plate 12, and the driving motor 7 is turned on to drive the driving wheel 6 to rotate, and the driving wheel 6 drives the fixed block 4 and the fixed shaft 5 to rotate. When the fixed shaft 5 enters the slot on the side wall of the driven wheel 3 until it disengages from the slot, in this process, the fixed shaft 5 drives the driven wheel 3 to rotate. After it disengages from the slot, the arc groove on the driven wheel 3 fits with the driving wheel 6, thereby limiting the driven wheel 3 so that it cannot rotate, thereby realizing the intermittent rotation of the rotating plate 12, and when the empty feeding trough 14 is aligned with the discharge pipe 10, the materials at the bottom fall into the feeding trough 14, and intermittent feeding is realized with the rotation of the rotating plate 12. After the materials are transported to the bottom of the milling machine body 11 for processing, they continue to move with the rotation of the rotating plate 12 until they are aligned with the discharge hole and fall into the discharge hopper 2 to realize discharge.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A feeding device for a small CNC milling machine, comprising a fixed plate (1), characterized in that: A rotating plate (12) is movably connected inside the fixed disk (1), and a plurality of evenly distributed feeding grooves (14) are provided at the top of the rotating plate (12) near the outer side. A rotating shaft is fixedly connected to the bottom of the rotating plate (12) near the middle. The bottom end of the rotating shaft is movably connected to the bottom of the inner cavity of the fixed disk (1) through a bearing. The bottom end of the rotating shaft passes through the inner ring of the bearing and extends to the bottom of the fixed disk (1). A Geneva wheel mechanism is provided near the middle below the fixed disk (1). A connecting block (9) is fixedly connected to the top of the fixed disk (1) near the left side, and a feeding pipe (10) is fixedly connected to the right wall of the connecting block (9). A milling machine body (11) is provided above the fixed disk (1) near the right side.

2. A feeding device for a small CNC milling machine according to claim 1, characterized in that: The side wall of the rotating plate (12) is movably connected to a plurality of evenly distributed pulleys (13) via a rotating shaft and a bearing, and the inner wall of the fixed plate (1) is provided with an annular sliding groove matching the pulleys (13).

3. The feeding device for a small CNC milling machine according to claim 1, characterized in that: A plurality of evenly distributed grooves are provided at the bottom of the inner cavity of the fixed disk (1) near the front, and a rotating roller (15) is movably connected to the inner wall of the groove via a rotating shaft and a bearing.

4. A feeding device for a small CNC milling machine according to claim 3, characterized in that: A rubber cushion is sleeved on the rotating roller (15).

5. The feeding device for a small CNC milling machine according to claim 1, characterized in that: The Geneva wheel mechanism comprises a driven wheel (3), the bottom end of the rotating shaft is fixedly connected to the top of the driven wheel (3), a driving wheel (6) is arranged on the left side of the driven wheel (3), a right wall of the driving wheel (6) is provided with an arc groove matching the driven wheel (3), a side wall of the driven wheel (3) is provided with a plurality of evenly distributed arc grooves matching the driving wheel (6), a fixing block (4) is fixedly connected to the bottom of the driving wheel (6) near the right side, a fixing shaft (5) is fixedly connected to the top of the fixing block (4) near the right side, and a plurality of evenly distributed slots matching the fixing shaft (5) are provided on the side wall of the driven wheel (3), a driving motor (7) is fixedly connected to the top of the driving wheel (6), and a mounting groove matching the driving motor (7) is provided at the bottom of the fixed plate (1) near the left side.

6. The feeding device for a small CNC milling machine according to claim 1, characterized in that: A discharge hole is provided at the bottom of the inner cavity of the fixed plate (1) near the rear right side, and a lower hopper (2) is fixedly connected to the bottom of the fixed plate (1) near the discharge hole.

7. The feeding device for a small CNC milling machine according to claim 1, characterized in that: A plurality of evenly distributed support rods (8) are fixedly connected to the bottom of the fixed plate (1) near the outer side.

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