Tapping machine

Abstract

The utility model discloses a tapping machine, which relates to the technical field of tapping machines, and comprises a placing table, the upper surface of the placing table is fixedly connected with an inverted L-shaped frame, the right surface of the inverted L-shaped frame is slidably connected with a sliding frame, the right end of the sliding frame is fixedly connected with a limiting disc, and the right surface of the limiting disc is provided with a plurality of uniformly distributed positioning holes. The right surface of the limiting disc is fixedly connected with a main shaft, the right end of the main shaft is rotationally connected with a rotating disc, the left surface of the rotating disc is fixedly connected with a plurality of evenly-distributed supporting plates, rotating shafts are rotationally connected into the supporting plates, tapping cutter handles are installed at the outer ends of the rotating shafts, and screw tap heads are installed at the outer ends of the tapping cutter handles. The screw tap heads of different specifications can be driven to revolve through rotation of the rotary table, the screw tap heads of the required specifications revolve to the lower portion, the rotary table can be positioned by inserting the positioning pins into the positioning holes, quick replacement of the screw tap heads is achieved, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tapping machines, in particular to a tapping machine. Background Art

[0002] A tapping machine is a mechanical processing equipment that processes internal threads, screws or threads on the inner side of holes of various parts with through holes or blind holes of different specifications, such as machine housings, equipment end faces, nuts, flanges, etc.

[0003] For example, in the utility model patent with announcement number CN212019650U, a CNC tapping machine that is easy to clean iron filings is disclosed, which includes a base frame, a control box, a back frame and a cleaning box. The top of the base frame is fixedly connected to the control box, the rear side wall of the control box is fixedly connected to the back frame by screws, the bottom of the back frame is fixedly connected to the cleaning box by screws, and the right side wall of the control box is fixedly connected to the controller by screws.

[0004] However, when the utility model is used, when it is necessary to process internal threads of different specifications, the tap head is not convenient to replace, which affects the work efficiency. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a tapping machine to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a tapping machine comprises a placing table, the upper surface of the placing table is fixedly connected with an inverted L-shaped frame, the right surface of the inverted L-shaped frame is fixedly provided with a dovetail guide rail, a slide is slidably connected to the dovetail guide rail, the right end of the slide is fixedly connected with a limiting disk, the right surface of the limiting disk is provided with a plurality of evenly distributed positioning holes, the right surface of the limiting disk is fixedly connected with a main shaft, the right end of the main shaft is rotatably connected with a turntable, a plurality of evenly distributed support plates are fixedly connected to the left surface of the turntable, a rotating shaft is rotatably connected in the support plate, a tapping handle is installed at the outer end of the tapping handle, a tap head is installed at the outer end of the tapping handle, a driven bevel gear is fixedly connected to the inner end of the rotating shaft, a motor is fixedly connected to the bottom surface of the slide, a driving bevel gear is fixedly connected to the driving end of the motor, the driving bevel gear is meshed with the driven bevel gear, and a positioning component is provided on the right surface of the turntable.

[0007] Preferably, the positioning assembly includes a limiting cylinder, which is fixedly connected to the right surface of the turntable, and a positioning pin is slidably connected to the turntable and the right wall of the limiting cylinder. A handle is rotatably connected to the right end of the positioning pin. A limiting ring is fixedly provided on the side surface of the positioning pin and located in the limiting cylinder. A spring is sleeved on the side surface of the positioning pin, the left end of the spring presses against the limiting ring, and the right end of the spring presses against the right wall of the limiting cylinder, and the left end of the positioning pin is inserted into the positioning hole.

[0008] Preferably, a hydraulic cylinder is installed in the upper wall of the inverted L-shaped frame, and the telescopic end of the hydraulic cylinder is fixedly connected to the slide.

[0009] Preferably, the number of the positioning holes is the same as the number of the support plates.

[0010] Beneficial Effects

[0011] The utility model provides a tapping machine, which has the following beneficial effects:

[0012] 1. The downward movement of the slide can drive the tap head to move downward, and the rotation of the driven bevel gear can drive the tap head to rotate, so that the internal thread can be processed in the hole to be tapped of the workpiece;

[0013] 2. The turntable can be rotated to drive multiple tap heads of different specifications to revolve. The tap head of the required specification is revolved to the bottom, and the positioning pin is inserted into the positioning hole to position the turntable, so that the tap head can be quickly replaced and the work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 for Figure 1 A is an enlarged schematic diagram;

[0016] Figure 3 It is a right side view of the limiting plate in the utility model.

[0017] In the figure: 1. placing table; 2. tap head; 3. tapping tool handle; 4. rotating shaft; 5. supporting plate; 6. turntable; 7. driven bevel gear; 8. driving bevel gear; 9. limiting plate; 10. hydraulic cylinder; 11. slide; 12. motor; 13. dovetail guide rail; 14. inverted L-shaped frame; 15. main shaft; 16. positioning hole; 17. limiting ring; 18. limiting cylinder; 19. spring; 20. positioning pin; 21. handle. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Directional terms mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., are only with reference to the directions shown in the drawings. The directional terms used are used to illustrate and understand the present invention, rather than to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] See also Figure 1-3 The utility model provides a technical solution: a tapping machine includes a placing table 1, an inverted L-shaped frame 14 is fixedly connected to the upper surface of the placing table 1, a dovetail guide rail 13 is fixedly arranged on the right surface of the inverted L-shaped frame 14, a slide 11 is slidably connected to the dovetail guide rail 13, a limit plate 9 is fixedly connected to the right end of the slide 11, a plurality of evenly distributed positioning holes 16 are opened on the right surface of the limit plate 9, a main shaft 15 is fixedly connected to the right surface of the limit plate 9, a turntable 6 is rotatably connected to the right end of the main shaft 15, a plurality of evenly distributed support plates 5 are fixedly connected to the left surface of the turntable 6, a rotating shaft 4 is rotatably connected inside the support plate 5, a tapping tool handle 3 is installed on the outer end of the tapping tool handle 3, a tap head 2 is installed on the outer end of the tapping tool handle 3, a driven bevel gear 7 is fixedly connected to the inner end of the rotating shaft 4, a motor 12 is fixedly connected to the bottom surface of the slide 11, and the motor 1 The driving end is fixedly connected with a driving bevel gear 8, which meshes with the driven bevel gear 7. A positioning assembly is provided on the right surface of the turntable 6; the positioning assembly includes a limiting cylinder 18, which is fixedly connected to the right surface of the turntable 6. A positioning pin 20 is slidably connected to the right wall of the turntable 6 and the limiting cylinder 18. A handle 21 is rotatably connected to the right end of the positioning pin 20. A limiting ring 17 is fixedly provided on the side surface of the positioning pin 20 and is located in the limiting cylinder 18. A spring 19 is sleeved on the side surface of the positioning pin 20. The left end of the spring 19 presses against the limiting ring 17, and the right end of the spring 19 presses against the right wall of the limiting cylinder 18. The left end of the positioning pin 20 is inserted into the positioning hole 16; a hydraulic cylinder 10 is installed in the upper wall of the inverted L-shaped frame 14, and a slide 11 is fixedly connected to the telescopic end of the hydraulic cylinder 10; the number of positioning holes 16 is the same as that of the support plate 5.

[0021] Through the personnel in this field, all the electrical components in this case are electrically connected to their corresponding power supplies, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the working sequence between the electrical components in the following working principle to complete the electrical connection. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0022] Embodiment: According to the specification attached Figure 1-3 It can be seen that when in use, the workpiece is placed on the placement table 1 so that the hole to be tapped on the workpiece is located directly below the tap head 2. The hydraulic cylinder 10 is extended to drive the slide 11 to move downward, and the downward movement of the slide 11 can drive the tap head 2 to move downward. The motor 12 can drive the active bevel gear 8 to rotate, and the active bevel gear 8 can drive the driven bevel gear 7 to rotate, and the driven bevel gear 7 can drive the tap head 2 to rotate, so that the hole to be tapped on the workpiece can be processed into an internal thread; when the tap head 2 needs to be replaced When processing internal threads of different specifications, the handle 21 can be pulled to the right to pull the positioning pin 20 out of the positioning hole 16, and the handle 21 can be shaken to drive the turntable 6 to rotate. The rotation of the turntable 6 can drive a plurality of tap heads 2 of different specifications to revolve, and the tap head 2 of the required specification is revolved downward, and the positioning pin 20 is inserted into the positioning hole 16 to position the turntable 6, thereby realizing the rapid replacement of the tap head 2 and improving the working efficiency. The pressure applied to the limit ring 17 by the spring 19 can prevent the positioning hole 16 from slipping out of the positioning pin 20.

[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 tapping machine, characterized in that: The invention comprises a placing table (1), wherein an inverted L-shaped frame (14) is fixedly connected to the upper surface of the placing table (1), a dovetail guide rail (13) is fixedly arranged on the right surface of the inverted L-shaped frame (14), a slide frame (11) is slidably connected to the dovetail guide rail (13), a limit plate (9) is fixedly connected to the right end of the slide frame (11), a plurality of evenly distributed positioning holes (16) are provided on the right surface of the limit plate (9), a main shaft (15) is fixedly connected to the right surface of the main shaft (15), a turntable (6) is rotatably connected to the right end of the turntable (6), and a rotation axis (16) is fixedly connected to the left surface of the turntable (6). A plurality of evenly distributed support plates (5) are fixedly connected thereto, a rotating shaft (4) is rotatably connected inside the support plate (5), a tapping handle (3) is mounted on the outer end of the rotating shaft (4), a tap head (2) is mounted on the outer end of the tapping handle (3), a driven bevel gear (7) is fixedly connected to the inner end of the rotating shaft (4), a motor (12) is fixedly connected to the bottom surface of the slide (11), a driving bevel gear (8) is fixedly connected to the driving end of the motor (12), the driving bevel gear (8) is meshed with the driven bevel gear (7), and a positioning component is provided on the right surface of the rotating disk (6).

2. A tapping machine according to claim 1, characterized in that: The positioning assembly comprises a limiting cylinder (18), wherein the limiting cylinder (18) is fixedly connected to the right surface of the rotating disk (6), a positioning pin (20) is slidably connected to the rotating disk (6) and the right wall of the limiting cylinder (18), the right end of the positioning pin (20) is rotatably connected to a handle (21), a limiting ring (17) is fixedly provided on the side surface of the positioning pin (20) and located in the limiting cylinder (18), a spring (19) is sleeved on the side surface of the positioning pin (20), the left end of the spring (19) presses against the limiting ring (17), the right end of the spring (19) presses against the right wall of the limiting cylinder (18), and the left end of the positioning pin (20) is inserted into the positioning hole (16).

3. A tapping machine according to claim 1, characterized in that: A hydraulic cylinder (10) is installed in the upper wall of the inverted L-shaped frame (14), and the telescopic end of the hydraulic cylinder (10) is fixedly connected to the sliding frame (11).

4. A tapping machine according to claim 1, characterized in that: The number of the positioning holes (16) is the same as the number of the support plates (5).

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