Metal plate inner hole tapping device

Abstract

The invention discloses a metal plate inner hole tapping device. The metal plate inner hole tapping device comprises a conveying mechanism used for conveying a metal plate, a transferring mechanism used for transferring the metal plate to be tapped to a tapping position and a tapping mechanism. The conveying mechanism continuously conveys the metal plate to the right, the transferring mechanism transfers the metal plate to be tapped to the tapping station, the tapping mechanism taps the inner hole of the metal plate, the metal plate does not need to be manually carried, the labor intensity is reduced, the tapping angle can be accurately controlled, and the tapping accuracy is improved.

Description

Technical Field

[0001] The invention relates to the technical field of metal processing, in particular to a device for tapping inner holes of metal plates. Background Art

[0002] As the name suggests, sheet metal drilling and tapping is to drill holes in metal sheets and perform tapping operations to form holes with internal threads for subsequent assembly or connection. This process involves two main steps, drilling and tapping, which require the use of special equipment and tools to complete.

[0003] Tapping is the most widely used method for processing internal threads. At present, small electric drills or manual tapping wrenches are mostly used for tapping internal holes. The tapping drill bit of the electric drill is thin and long. It is difficult to accurately grasp the angle at which the drill bit enters the workpiece during use. The flexibility of its use is low, and it requires manual handling of metal sheets, which is labor-intensive. Summary of the invention

[0004] The purpose of the present invention is to solve the above-mentioned problem and provide a metal plate inner hole tapping device, which can realize accurate tapping of the inner hole of the metal plate and can realize automatic feeding of the metal plate to reduce labor intensity.

[0005] The technical solution adopted by the present invention to solve the technical problem is:

[0006] A metal plate inner hole tapping device comprises a conveying mechanism for conveying the metal plate, a transfer mechanism for transferring the metal plate to be tapped to a tapping position, and a tapping mechanism;

[0007] The conveying mechanism includes a bracket, a first conveying belt arranged in the bracket, and a plurality of supporting rollers arranged at the right end of the bracket. A transition mechanism is arranged at a position corresponding to the supporting rollers at the right end of the bracket.

[0008] The transfer mechanism includes a transfer platform, a transfer plate arranged on the transfer platform and moving on the transfer platform, a groove arranged on the transfer plate for carrying the metal sheet, and a push rod arranged on the left side of the transfer platform for pushing the metal sheet out of the groove;

[0009] The tapping mechanism comprises a supporting platform, a column arranged on the side of the supporting platform, a crossbeam arranged on the column and lifted up and down on the column, and an electric drill tapping machine arranged at the end of the crossbeam.

[0010] Furthermore, the transition mechanism includes a frame, a lifting plate arranged in the frame and lifted and lowered in the frame, and a second conveyor belt arranged at the lower end of the lifting plate.

[0011] Furthermore, guide sleeves cooperating with the frame columns are provided at the four corners of the lifting plate, and a first hydraulic cylinder for driving the lifting plate to rise and fall is provided at the upper end of the frame.

[0012] Furthermore, a driving shaft is provided under the transfer platform, and a driving disk is provided at the front end of the driving shaft. The driving disk is connected to the transfer plate through a connecting rod. One end of the connecting rod is rotatably connected to the eccentric position of the driving disk, and the other end of the connecting rod is rotatably connected to the lower end of the transfer plate. When the driving shaft rotates, the push rod moves back and forth under the action of the linkage mechanism.

[0013] Furthermore, a vertical plate for supporting the driving shaft is provided on the left side of the transfer platform, the driving shaft passes through the vertical plate and is rotatably connected to the vertical plate, and the push rod passes through the vertical plate and is slidably connected to the vertical plate.

[0014] Furthermore, the transfer platform is provided with an opening.

[0015] Furthermore, the linkage mechanism includes a turntable arranged at the left end of the driving shaft, a turntable rod rotatably connected to the bracket between the middle position, the turntable is provided with a protrusion cooperating with the lower end of the turntable, the upper end of the turntable rod is movably connected to the left end of the driving shaft, the push rod is provided with a baffle, the push rod is provided with a compression spring, one end of the compression spring is in contact with the baffle, and the other end of the compression spring is in contact with the vertical plate on the right.

[0016] Furthermore, a long hole is provided at the upper end of the rotating rod, and a guide rod matching with the long hole is provided at the left end of the pushing rod.

[0017] Furthermore, a second hydraulic cylinder for driving the crossbeam to rise and fall is provided at the upper end of the column.

[0018] The beneficial effects of the present invention are:

[0019] 1. The present invention includes a conveying mechanism for conveying metal sheets, a transfer mechanism for transferring the metal sheets to be tapped to the tapping position, and a tapping mechanism; the conveying mechanism continuously conveys the metal sheets to the right, the transfer mechanism transfers the metal sheets to be tapped to the tapping station, and the tapping mechanism taps the inner holes of the metal sheets, which does not require manual handling of the metal sheets, reduces labor intensity, and can accurately control the tapping angle, thereby improving the tapping accuracy.

[0020] 2. The conveying mechanism in the present invention includes a bracket, a first conveyor belt arranged in the bracket, and a plurality of supporting rollers arranged at the right end of the bracket. A transition mechanism is provided at the position of the right end of the bracket corresponding to the supporting rollers; the operating speed of the second conveyor belt is greater than the operating speed of the first conveyor belt. When the metal sheet is conveyed from the first conveyor belt to the supporting rollers, the lifting plate descends, and the second conveyor belt contacts the upper surface of the metal sheet. The second conveyor belt quickly conveys the metal sheet to the groove on the transfer plate, thereby separating the rightmost metal sheet from the adjacent metal sheets and preventing the transfer plate from moving. The rightmost metal sheet cannot be pushed out due to friction between the adjacent sheets.

[0021] 3. The transfer mechanism in the present invention includes a transfer platform, a transfer plate arranged on the transfer platform and moving on the transfer platform, a groove arranged on the transfer plate for carrying metal sheets, and a push rod arranged on the left side of the transfer platform for pushing the metal sheets in the groove; when the transfer plate moves to the front end, the position of the groove corresponds to the position of the support roller, the transition mechanism transports the metal sheet into the groove, the transfer plate moves backward, and transports the metal sheet to the rear end, and the push rod pushes the metal sheet to the tapping position, thereby realizing the sequential loading of the metal sheets and reducing labor intensity.

[0022] 4. The linkage mechanism in the present invention includes a turntable arranged at the left end of the driving shaft, a turn rod rotatably connected between the middle position and the bracket, the turntable is provided with a protrusion matched with the lower end of the turn rod, the upper end of the turn rod is movably connected with the left end of the driving shaft, the push rod is provided with a baffle, and the push rod is provided with a compression spring, one end of the compression spring contacts the baffle, and the other end of the compression spring contacts the vertical plate on the right. When the driving shaft rotates to drive the transfer plate to move to the rear end, the protrusion contacts the lower end of the turn rod, drives the upper end of the turn rod to swing to the right, pushes the push rod to move to the right, and the push rod pushes the metal sheet to the tapping structure. The movement of the transfer plate and the movement of the push rod are linked by a mechanical structure, and the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 The structure of the present invention is shown in FIG. Figure 1 ;

[0025] Figure 2 The structure of the present invention is shown in FIG. Figure 2 ;

[0026] Figure 3 It is a rear view of the present invention;

[0027] Figure 4 The structure of the present invention is shown in FIG. Figure 3 .

[0028] In the figure: bracket 1, first conveyor belt 2, support roller 3, frame 4, lifting plate 5, second conveyor belt 6, first hydraulic cylinder 7, transfer platform 8, transfer plate 9, groove 10, push rod 11, drive shaft 12, drive disk 13, connecting rod 14, vertical plate 15, opening 16, turntable 17, rotating rod 18, protrusion 19, baffle 20, compression spring 21, long hole 22, support platform 23, column 24, crossbeam 25, electric drill tapping machine 26, second hydraulic cylinder 27. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0030] A device for tapping inner holes of metal plates comprises a conveying mechanism for conveying metal plates, a transfer mechanism for transferring the metal plates to be tapped to a tapping position, and a tapping mechanism; the conveying mechanism continuously conveys the metal plates to the right, the transfer mechanism transfers the metal plates to be tapped to a tapping station, and the tapping mechanism taps the inner holes of the metal plates, and manual handling of the metal plates is unnecessary, thus reducing labor intensity, and the tapping angle can be precisely controlled, thereby improving tapping accuracy.

[0031] like Figure 1 As shown, the conveying mechanism includes a bracket 1, a first conveyor belt 2 arranged in the bracket 1, and a plurality of supporting rollers 3 arranged at the right end of the bracket 1. A transition mechanism is provided at the position of the right end of the bracket 1 corresponding to the supporting rollers 3; the first conveyor belt 2 continuously conveys the metal sheet to the right, and after conveying the rightmost metal sheet to the supporting rollers 3, the transition mechanism quickly conveys the rightmost metal sheet to the transfer mechanism to prevent the rightmost metal sheet from interfering with the adjacent sheet when the transfer mechanism transfers backward.

[0032] like Figure 1As shown, the transfer mechanism includes a transfer platform 8, a transfer plate 9 arranged on the transfer platform 8 and moving on the transfer platform 8, a groove 10 arranged on the transfer plate 9 for carrying metal sheets, and a push rod 11 arranged on the left side of the transfer platform 8 for pushing the metal sheets in the groove 10 out; when the transfer plate 9 moves to the front end, the position of the groove 10 corresponds to the position of the support roller 3, the transition mechanism transports the metal sheet into the groove, the transfer plate 9 moves backward, and transports the metal sheet to the rear end, and the push rod 11 pushes the metal sheet to the tapping position, thereby realizing the sequential loading of the metal sheets and reducing labor intensity.

[0033] like Figure 1 As shown, the tapping mechanism includes a support platform 23, a column 24 arranged on the side of the support platform 23, a beam 25 arranged on the column 24 and raised and lowered on the column 24, and an electric drill tapping machine 26 arranged at the end of the beam 25. After the metal sheet enters the support platform 23, the beam 25 descends, and the electric drill tapping machine 26 completes the tapping operation in the inner hole.

[0034] like Figure 1 As shown, the transition mechanism includes a frame 4, a lifting plate 5 arranged in the frame 4 and lifted and lowered in the frame 4, and a second conveyor belt 6 arranged at the lower end of the lifting plate 5. The running speed of the second conveyor belt 6 is greater than the running speed of the first conveyor belt 2. After the metal sheet is conveyed from the first conveyor belt 2 to the support roller 3, the lifting plate 5 descends, and the second conveyor belt 6 contacts the upper surface of the metal sheet. The second conveyor belt 6 quickly conveys the metal sheet to the groove on the transfer plate, so as to separate the rightmost metal sheet from the adjacent metal sheet, and prevent the transfer plate from moving. The rightmost metal sheet cannot be pushed out due to friction between the adjacent sheets.

[0035] The four corners of the lifting plate 5 are provided with guide sleeves matched with the columns of the frame 4, and the upper end of the frame 4 is provided with a first hydraulic cylinder 7 for driving the lifting plate 5 to rise and fall.

[0036] like Figure 4 As shown, a driving shaft 12 is provided below the transfer platform 8, and a driving disk 13 is provided at the front end of the driving shaft 12. The driving disk 13 is connected to the transfer plate 9 through a connecting rod 14. One end of the connecting rod 14 is rotatably connected to the driving disk 13 at an eccentric position, and the other end of the connecting rod 14 is rotatably connected to the lower end of the transfer plate 9. When the driving shaft 12 rotates, the push rod 11 moves forward and backward under the action of the linkage mechanism, and the transfer plate 9 and the transfer platform 8 are slidably connected through a guide rail slider. When the driving shaft 12 rotates, the transfer plate 9 continuously moves left and right under the action of the connecting rod 14.

[0037] like Figure 2As shown, a vertical plate 15 for supporting the driving shaft 12 is provided on the left side of the transfer platform 8. The driving shaft 12 passes through the vertical plate 15 and is rotatably connected to the vertical plate 15. The driving shaft 12 is driven to rotate by a motor belt. This is a prior art and will not be elaborated on here. The push rod 11 passes through the vertical plate 15 and is slidably connected to the vertical plate 15.

[0038] like Figure 2 As shown, the transfer platform 8 is provided with an opening 16 , and the connecting rod 14 passes through the opening and is connected to the transfer plate 9 .

[0039] like Figure 2 and Figure 3 As shown, the linkage mechanism includes a turntable 17 arranged at the left end of the driving shaft 12, a turnbar 18 rotatably connected between the middle position and the bracket 1, a protrusion 19 matched with the lower end of the turnbar 18 is provided on the turntable 17, the upper end of the turnbar 18 is movably connected with the left end of the driving shaft 12, a baffle 20 is provided on the push rod 11, and a compression spring 21 is provided on the push rod 11, one end of the compression spring 21 contacts the baffle 20, and the other end of the compression spring 21 contacts the right side vertical plate 15. When the driving shaft 12 rotates to drive the transfer plate 9 to move to the rear end, the protrusion 19 contacts the lower end of the turnbar 18, drives the upper end of the turnbar 18 to swing to the right, pushes the push rod 11 to move to the right, and the push rod 11 pushes the metal sheet to the tapping structure. The linkage between the movement of the transfer plate and the movement of the push rod is achieved through the mechanical structure, and the cost is low.

[0040] like Figure 3 As shown, a long hole 22 is provided at the upper end of the rotating rod 18, and a guide rod cooperating with the long hole 22 is provided at the left end of the push rod 11. The long hole 22 is provided to prevent the rotating rod 18 from being locked with the push rod when rotating.

[0041] The rear end of the cross beam 25 is provided with a sleeve that cooperates with the column 24 , and the upper end of the column 24 is provided with a second hydraulic cylinder 27 that drives the cross beam 25 to rise and fall.

[0042] In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "left", "right", "up", "down", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection, it can be a direct connection, it can be an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A metal plate inner hole tapping device, characterized in that: It includes a conveying mechanism for conveying metal sheets, a transfer mechanism for transferring the metal sheets to be tapped to the tapping position, and a tapping mechanism; The conveying mechanism comprises a support (1), a first conveying belt (2) arranged in the support (1), and a plurality of supporting rollers (3) arranged at the right end of the support (1); a transition mechanism is provided at a position corresponding to the supporting rollers (3) at the right end of the support (1); The transfer mechanism comprises a transfer platform (8), a transfer plate (9) arranged on the transfer platform (8) and moving on the transfer platform (8), a groove (10) arranged on the transfer plate (9) for carrying a metal sheet, and a push rod (11) arranged on the left side of the transfer platform (8) for pushing out the metal sheet in the groove (10); The tapping mechanism comprises a support platform (23), a column (24) arranged on the side of the support platform (23), a crossbeam (25) arranged on the column (24) and raised and lowered on the column (24), and an electric drill tapping machine (26) arranged at the end of the crossbeam (25).

2. A metal plate inner hole tapping device as claimed in claim 1, characterized in that: The transition mechanism comprises a frame (4), a lifting plate (5) arranged in the frame (4) and lifted and lowered in the frame (4), and a second conveyor belt (6) arranged at the lower end of the lifting plate (5).

3. A metal plate inner hole tapping device as claimed in claim 2, characterized in that: Guide sleeves cooperating with the upright posts of the frame (4) are provided at the four corners of the lifting plate (5), and a first hydraulic cylinder (7) for driving the lifting plate (5) to move up and down is provided at the upper end of the frame (4).

4. A metal plate inner hole tapping device as claimed in claim 1, characterized in that: A driving shaft (12) is provided below the transfer platform (8), and a driving disk (13) is provided at the front end of the driving shaft (12). The driving disk (13) is connected to the transfer plate (9) via a connecting rod (14). One end of the connecting rod (14) is rotationally connected to the eccentric position of the driving disk (13), and the other end of the connecting rod (14) is rotationally connected to the lower end of the transfer plate (9). When the driving shaft (12) rotates, the push rod (11) moves forward and backward under the action of the linkage mechanism.

5. A metal plate inner hole tapping device as claimed in claim 4, characterized in that: A vertical plate (15) for supporting the driving shaft (12) is provided on the left side of the transfer platform (8); the driving shaft (12) passes through the vertical plate (15) and is rotatably connected to the vertical plate (15); and the push rod (11) passes through the vertical plate (15) and is slidably connected to the vertical plate (15).

6. A metal plate inner hole tapping device as claimed in claim 4, characterized in that: The transfer platform (8) is provided with an opening (16).

7. A metal plate inner hole tapping device as claimed in claim 4, characterized in that: The linkage mechanism comprises a rotating disk (17) arranged at the left end of the driving shaft (12), a rotating rod (18) rotatably connected between the middle position and the bracket (1), the rotating disk (17) is provided with a protrusion (19) cooperating with the lower end of the rotating rod (18), the upper end of the rotating rod (18) is movably connected with the left end of the driving shaft (12), the push rod (11) is provided with a baffle (20), the push rod (11) is provided with a compression spring (21), one end of the compression spring (21) is in contact with the baffle (20), and the other end of the compression spring (21) is in contact with the right side vertical plate (15).

8. A metal plate inner hole tapping device as claimed in claim 7, characterized in that: The upper end of the rotating rod (18) is provided with a long hole (22), and the left end of the pushing rod (11) is provided with a guide rod matched with the long hole (22).

9. A metal plate inner hole tapping device as claimed in claim 1, characterized in that: A second hydraulic cylinder (27) for driving the crossbeam (25) to move up and down is provided at the upper end of the column (24).

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