Small drilling machine for machining

Abstract

The utility model belongs to the technical field of machining, and discloses a small drilling machine for machining, which comprises a base, an L-shaped mounting frame and a vertical fixing frame are fixedly mounted at the top of the base, a driving motor and an adjusting motor are fixedly mounted at one end of the L-shaped mounting frame, and a connecting column is fixed on an output shaft of the driving motor. A rotary adjusting circular plate is fixed to an output shaft of the adjusting motor, four machining drill bits are rotatably inserted into the rotary adjusting circular plate, and the arc-shaped clamping blocks are slidably inserted into arc-shaped embedding grooves formed in the connecting columns and fixedly connected with the connecting columns through fixed connecting assemblies. A lifting driving assembly is mounted in the vertical limiting sliding groove, and a rotatable adjusting type clamping and fixing assembly is mounted in the square mounting frame. According to the drilling device, the part to be machined can be clamped and fixed, meanwhile, drilling operation can be conducted from different positions of the part, the machining drill bit can be replaced more timely, and the drilling machining efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing and relates to a small drilling machine for mechanical processing. Background Art

[0002] A drilling machine for small mechanical processing is a machine tool specially used for drilling holes on workpieces, and has the characteristics of simple structure, convenient operation, high precision, etc. However, when using the existing drilling machine, a single drill bit is usually installed on the drilling machine. When the drill bit fails, the single drill bit needs to be removed and a new drill bit needs to be installed, which makes the disassembly and replacement of the drill bit not timely, which is easy to affect the processing efficiency. At the same time, when using the existing drilling machine, the workpiece is usually fixed, and then the drill bit is controlled to move to realize the drilling operation on the workpiece. The position adjustment of the workpiece is inconvenient, and it is difficult to drill holes from different positions of the workpiece. There are certain disadvantages in the use process. Utility Model Content

[0003] (I) Purpose of the utility model

[0004] The purpose of the utility model is to provide a small-sized drilling machine for mechanical processing, which has the advantage of improving the convenience of disassembly and assembly of the processing drill bit, making the replacement of the processing drill bit more timely, improving the drilling processing efficiency, and at the same time being able to perform drilling operations from different positions of the parts, making it more flexible to use.

[0005] (II) Technical solution

[0006] In order to solve the above technical problems, the utility model provides a small-scale mechanical processing drilling machine, comprising a base, the top of the base is fixedly mounted with the L-shaped mounting frame and the vertical fixing frame, one end of the L-shaped mounting frame is fixedly mounted with the driving motor and the adjusting motor, the output shaft of the driving motor is fixed with the connecting column, the output shaft of the adjusting motor is fixed with the rotating adjusting circular plate, the processing drill bit is rotatably plugged on the rotating adjusting circular plate, the number of the processing drill bits is four, and the tops of the four processing drill bits are fixedly mounted with the arc-shaped clamping blocks, The arc-shaped clamping block is slidably inserted into the arc-shaped embedding groove provided on the connecting column, and the arc-shaped clamping block is fixedly connected to the connecting column through the fixed connection component; the vertical fixing frame (3) comprises two vertical frames arranged opposite to each other, and vertical limiting sliding grooves are provided on the inner walls of the two vertical frames, and the lifting drive component is installed in the vertical limiting sliding groove, and the lifting drive component is installed on the square mounting frame, and the rotatable adjustable clamping and fixing component is installed in the square mounting frame, and the rotatable adjustable clamping and fixing component is located below the processing drill bit.

[0007] Furthermore, in order to drive the latch link to slide on one end of the L-shaped extension frame by controlling the U-shaped lifting handle, the fixed connection assembly includes an annular connecting block, which is fixedly sleeved on the connecting column, and the L-shaped extension frame is fixedly installed on the annular connecting block, the latch link is slidably installed on one end of the L-shaped extension frame, and the U-shaped lifting handle is fixedly installed on one end of the latch link.

[0008] Furthermore, in order to enable the arc-shaped clamping block and the connecting column to be fixedly connected through the latch connecting rod, latch holes are provided on the arc-shaped clamping block and the connecting column, and the other end of the latch connecting rod is inserted into the latch hole.

[0009] Furthermore, in order to enable the latch link to be fixedly inserted in the latch hole by means of the strong spring, the annular pad is fixedly sleeved on the latch link, and the annular pad is elastically connected to the inner wall of one end of the L-shaped extension frame through the strong spring.

[0010] Furthermore, in order to control the servo motor to turn on so that the vertical screw can rotate in the vertical limit slide groove through the rotating joint, the lifting drive assembly includes a servo motor and the vertical screw, the servo motor is fixed on the inner wall of one end of the vertical limit slide groove, the vertical screw is rotatably installed on the inner wall of the other end of the vertical limit slide groove through the rotating joint, and one end of the vertical screw is fixedly connected to the output shaft of the servo motor.

[0011] Furthermore, in order to drive the threaded bar to slide up and down in the vertical limiting groove by controlling the rotation of the vertical screw, the threaded bar is installed on the vertical screw, the threaded bar is slidably engaged in the vertical limiting groove, and the square mounting frame is fixed to the threaded bar through the raised plate.

[0012] Furthermore, in order to control the rotation of the driving knob so that the bidirectional driving threaded rod can rotate in the square mounting frame through the rotating seat, thereby driving the two sliding blocks to slide in opposite directions in the square mounting frame, the rotatable adjustable clamping and fixing assembly includes a bidirectional driving screw and a gathering side plate, the bidirectional driving screw is rotatably mounted on the inner wall of one end of the square mounting frame through the rotating seat, the driving knob is fixedly mounted on one end of the bidirectional driving screw, the sliding block is threadedly sleeved on the bidirectional driving screw, there are two sliding blocks, and the two sliding blocks are respectively located at the opposite thread ends of the bidirectional driving screw.

[0013] Furthermore, in order to drive the first clamping plate and the second clamping plate to rotate by controlling the rotation motors on both sides to turn on, the gathering side plates are fixed to the sliding block through the L-shaped connecting rod, and the rotating motor is fixedly installed on the inner wall of the gathering side plates. The first clamping plate and the second clamping plate are respectively fixed on the output shafts of the rotating motors on both sides, and the rubber pads are fixedly installed on the inner walls of the first clamping plate and the second clamping plate.

[0014] (III) Beneficial effects

[0015] The small-scale mechanical processing drilling machine provided by the above technical solution controls the adjustment motor to start, so that the rotating adjustment plate drives the processing drill bit to rotate, and the arc-shaped clamping blocks can be inserted into the arc-shaped embedding grooves in sequence, and the processing drill bit is fixedly connected to the connecting column through the fixed connecting component, which effectively improves the convenience of disassembly and assembly of the processing drill bit, makes the replacement of the processing drill bit more timely, and improves the drilling processing efficiency; through the rotatable and adjustable clamping and fixing component, it can achieve the clamping and fixing of the parts to be processed, and at the same time, it can drive the parts to rotate and adjust, and can perform drilling operations from different positions of the parts, which is more flexible to use and more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation structure of the drill bit of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure of the arc-shaped clamping block and the connecting column of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the fixed connection assembly of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the lifting drive assembly of the utility model;

[0021] Figure 6 This is a structural schematic diagram of a rotatable and adjustable clamping and fixing assembly of the utility model;

[0022] In the figure: 1, base; 2, L-shaped mounting frame; 3, vertical fixing frame; 4, driving motor; 5, adjusting motor; 6, connecting column; 7, rotating adjusting circular plate; 8, processing drill; 9, arc-shaped clamping block; 10, fixed connection assembly; 1001, annular connection block; 1002, L-shaped extension frame; 1003, latch connecting rod; 1004, U-shaped lifting handle; 1005, annular pad; 1006, strong spring; 11, lifting drive assembly; 1101, servo motor; 11 02, vertical screw; 1103, rotating joint; 1104, threaded bar; 1105, raised plate; 12, square mounting frame; 13, rotatable and adjustable clamping and fixing assembly; 1301, two-way drive screw; 1302, gathering side plate; 1303, rotating seat; 1304, driving knob; 1305, sliding block; 1306, L-shaped connecting rod; 1307, rotating motor; 1308, first clamping plate; 1309, second clamping plate; 1310, rubber pad. DETAILED DESCRIPTION

[0023] In order to make the purpose, content and advantages of the utility model clearer, the specific implementation methods of the utility model are further described in detail below in conjunction with the drawings and embodiments.

[0024] See also Figure 1-Figure 6As shown, the drilling machine for small mechanical processing in this embodiment includes a base 1, an L-shaped mounting frame 2 and a vertical fixing frame 3 are fixedly installed on the top of the base 1, a driving motor 4 and an adjusting motor 5 are fixedly installed on one end of the L-shaped mounting frame 2, a connecting column 6 is fixed on the output shaft of the driving motor 4, the driving motor 4 is controlled to be turned on so as to drive the connecting column 6 to rotate, a rotating adjusting circular plate 7 is fixed on the output shaft of the adjusting motor 5, a processing drill bit 8 is rotatably plugged into the rotating adjusting circular plate 7, the number of the processing drill bits 8 is four, and an arc-shaped clamping block 9 is fixedly installed on the top of the four processing drill bits 8, the arc-shaped clamping block 9 is slidably plugged into the arc-shaped embedding groove provided on the connecting column 6, and the arc-shaped clamping block 9 is fixedly connected to the connecting column 6 through a fixed connecting component 10, the adjusting motor 5 is controlled to be turned on so that the rotating adjusting circular plate 7 drives the processing drill bit 8 to rotate, so that the four processing drill bits 8 are respectively plugged into the arc-shaped embedding grooves and are fixedly connected to the connecting column 6 through the fixed connecting component 10. Under the action, the processing drill bit 8 is fixed on the connecting column 6, so as to realize the fixing and disassembly of the processing drill bit 8 and improve the efficiency of replacing the processing drill bit 8. A vertical limiting slide groove is opened on the inner wall of the vertical fixing frame 3, and a lifting drive component 11 is installed in the vertical limiting slide groove. A square mounting frame 12 is installed on the lifting drive component 11. The lifting drive component 11 is controlled to drive the square mounting frame 12 to move up and down, and the workpiece to be processed is driven up and down by the rotatable and adjustable clamping and fixing component 13 to realize the drilling operation of the workpiece. A rotatable and adjustable clamping and fixing component 13 is installed in the square mounting frame 12, and the rotatable and adjustable clamping and fixing component 13 is located below the processing drill bit 8. The rotatable and adjustable clamping and fixing component 13 is controlled to drive the workpiece to rotate while realizing the clamping and fixing of the workpiece, so as to facilitate the drilling operation of the workpiece at different positions, thereby improving the flexibility of use.

[0025] The fixed connection assembly 10 includes an annular connection block 1001, which is fixedly sleeved on the connecting column 6. An L-shaped extension frame 1002 is fixedly installed on the annular connection block 1001. A latch connecting rod 1003 is slidably installed at one end of the L-shaped extension frame 1002, and a U-shaped lifting handle 1004 is fixedly installed at one end of the latch connecting rod 1003. Both the arc-shaped clamping block 9 and the connecting column 6 are provided with latch holes, and the other end of the latch connecting rod 1003 is inserted into the latch hole. The U-shaped pulling handle 1004 is controlled to make the latch connecting rod 1003 slide on the L-shaped extension frame 1002, so that the latch connecting rod 1003 is disengaged from the latch hole, so as to facilitate the separation of the arc-shaped clamping block 9 from the connecting column 6. An annular pad 1005 is fixedly sleeved on the latch connecting rod 1003, and the annular pad 1005 is elastically connected to the inner wall of one end of the L-shaped extension frame 1002 through a strong spring 1006. When in use, under the action of the strong spring 1006, the annular pad 1005 drives the latch connecting rod 1003 to be fixedly inserted into the latch hole, so as to achieve a fixed connection between the arc-shaped clamping block 9 and the connecting column 6.

[0026] The lifting drive assembly 11 includes a servo motor 1101 and a vertical lead screw 1102. The servo motor 1101 is fixed on the inner wall of one end of the vertical limit slideway. The vertical lead screw 1102 is rotatably mounted on the inner wall of the other end of the vertical limit slideway through a rotating joint 1103, and one end of the vertical lead screw 1102 is fixedly connected to the output shaft of the servo motor 1101. A threaded bar 1104 is mounted on the vertical lead screw 1102, and the threaded bar 1104 is slidably engaged in the vertical limit slideway. The square mounting frame 12 is fixed on the threaded bar 1104 through a raised plate 1105. The servo motor 1101 is controlled to be turned on, so that the vertical lead screw 1102 rotates in the vertical limit slideway through the rotating joint 1103, driving the threaded bar 1104 to slide up and down in the vertical limit slideway, so as to adjust the height of the square mounting frame 12.

[0027] The rotatable and adjustable clamping and fixing assembly 13 includes a two-way drive screw 1301 and a gathering side plate 1302. The two-way drive screw 1301 is rotatably installed on the inner wall of one end of the square mounting frame 12 through a rotating seat 1303. A driving knob 1304 is fixedly installed at one end of the two-way drive screw 1301. A sliding block 1305 is threadedly sleeved on the two-way drive screw 1301. There are two sliding blocks 1305, which are respectively located at the opposite thread ends of the two-way drive screw 1301. The driving knob 1304 is controlled to drive the two-way drive threaded rod to rotate in the square mounting frame 12, so as to drive the two sliding blocks 1305 to slide in opposite directions in the square mounting frame 12. The gathering side plate 1302 is fixed to the sliding block 1305 by an L-shaped connecting rod 1306, and a rotating motor 1307 is fixedly installed on the inner wall of the gathering side plate 1302. The first clamping plate 1308 and the second clamping plate 1309 are respectively fixed on the output shafts of the rotating motors 1307 on both sides, and rubber pads 1310 are fixedly installed on the inner walls of the first clamping plate 1308 and the second clamping plate 1309. When the two sliding blocks 1305 are controlled to slide in opposite directions in the square mounting frame 12, the first clamping plate 1308 and the second clamping plate 1309 are driven to approach each other by the L-shaped connecting rod 1306 and the gathering side plate 1302 to achieve clamping and fixing of the parts to be processed, and the rubber pads 1310 are used to avoid part deviation and improve the drilling processing accuracy. At the same time, the rotating motor 1307 is controlled to be turned on, so that the first clamping plate 1308 and the second clamping plate 1309 drive the parts to rotate, so as to facilitate drilling processing at different positions of the parts.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A small-sized drilling machine for machining, characterized in that: include: A base (1), wherein an L-shaped mounting frame (2) and a vertical fixing frame (3) are fixedly mounted on the top of the base (1), a driving motor (4) and an adjusting motor (5) are fixedly mounted on one end of the L-shaped mounting frame (2), a connecting column (6) is fixed on the output shaft of the driving motor (4), a rotating adjusting circular plate (7) is fixed on the output shaft of the adjusting motor (5), a plurality of processing drill bits (8) are rotatably plugged on the rotating adjusting circular plate (7), and an arc-shaped clamping block (9) is fixedly mounted on the top of each processing drill bit (8), and the arc-shaped clamping block (9) is slidably plugged on the processing drill bit (8). The arc-shaped embedding groove is provided on the connecting column (6), and the arc-shaped clamping block (9) is fixedly connected to the connecting column (6) through a fixed connecting component (10). A vertical limiting sliding groove is provided on the inner wall of the vertical fixing frame (3). A lifting drive component (11) is installed in the vertical limiting sliding groove. A square mounting frame (12) is installed on the lifting drive component (11). A rotatable and adjustable clamping and fixing component (13) is installed in the square mounting frame (12), and the rotatable and adjustable clamping and fixing component (13) is located below the processing drill bit (8).

2. The small-sized mechanical processing drilling machine according to claim 1, characterized in that: The number of the processing drill bits (8) is four.

3. The small-sized mechanical processing drilling machine according to claim 2, characterized in that: The vertical fixing frame (3) comprises two upright frames arranged opposite to each other.

4. The small-sized mechanical processing drilling machine according to claim 3, characterized in that: The fixed connection assembly (10) comprises an annular connection block (1001), the annular connection block (1001) is fixedly sleeved on the connection column (6), an L-shaped extension frame (1002) is fixedly installed on the annular connection block (1001), a latch connecting rod (1003) is slidably installed at one end of the L-shaped extension frame (1002), and a U-shaped lifting handle (1004) is fixedly installed at one end of the latch connecting rod (1003).

5. The small-sized mechanical processing drilling machine according to claim 4, characterized in that: The arc-shaped clamping block (9) and the connecting column (6) are both provided with a latch hole, and the other end of the latch connecting rod (1003) is inserted into the latch hole.

6. The small-sized mechanical processing drilling machine according to claim 5, characterized in that: An annular cushion block (1005) is fixedly sleeved on the latch connecting rod (1003), and the annular cushion block (1005) is elastically connected to the inner wall of one end of the L-shaped extension frame (1002) via a strong spring (1006).

7. The small-sized mechanical processing drilling machine according to claim 6, characterized in that: The lifting drive assembly (11) comprises a servo motor (1101) and a vertical lead screw (1102), wherein the servo motor (1101) is fixed to the inner wall at one end of the vertical limit slide, and the vertical lead screw (1102) is rotatably mounted on the inner wall at the other end of the vertical limit slide via a rotating joint (1103), and one end of the vertical lead screw (1102) is fixedly connected to the output shaft of the servo motor (1101).

8. The small-sized mechanical processing drilling machine according to claim 7, characterized in that: A threaded bar (1104) is installed on the vertical lead screw (1102), and the threaded bar (1104) is slidably engaged in the vertical limiting sliding groove, and the square mounting frame (12) is fixed on the threaded bar (1104) via a raised plate (1105).

9. The small-sized mechanical processing drilling machine according to claim 8, characterized in that: The rotatable and adjustable clamping and fixing assembly (13) comprises a bidirectional driving screw (1301) and a gathering side plate (1302); the bidirectional driving screw (1301) is rotatably mounted on the inner wall of one end of the square mounting frame (12) via a rotating seat (1303); a driving knob (1304) is fixedly mounted on one end of the bidirectional driving screw (1301); a sliding block (1305) is threadedly sleeved on the bidirectional driving screw (1301); there are two sliding blocks (1305), which are respectively located at the opposite thread ends of the bidirectional driving screw (1301).

10. The small-sized drilling machine for machining according to claim 9, characterized in that: The gathering side plate (1302) is fixed to the sliding block (1305) via an L-shaped connecting rod (1306); a rotating motor (1307) is fixedly installed on the inner wall of the gathering side plate (1302); a first clamping plate (1308) and a second clamping plate (1309) are respectively fixed on the output shaft of the rotating motor (1307) on both sides; and rubber pads (1310) are fixedly installed on the inner walls of the first clamping plate (1308) and the second clamping plate (1309).

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