A clamping mechanism for pulley tapping

Abstract

The utility model discloses a clamping mechanism for pulley tapping, comprising a workbench, the workbench is fixedly connected with a mounting plate, the upper part of the mounting plate is provided with three processing stations, the bottom of the mounting plate is connected with a moving mechanism, the moving mechanism is connected with a bottom plate, the bottom plate is located on the side of the processing station, the upper two sides of the bottom plate are respectively fixedly connected with side plates, a concave plate is hinged between the two side plates, the two sides of the concave plate are respectively provided with corresponding plug holes with the two side plates, the middle part of the concave plate is fixedly connected with a backing plate, the middle part of the backing plate is integrally formed with a support rod, and the backing plate is connected with a fixing mechanism. The utility model fixes the pulley on the backing plate, rotates the concave plate, drives the pulley to rotate a certain angle, the plug hole of the concave plate is aligned with the plug hole of the side plate, inserts a latch into the two aligned plug holes, and the moving mechanism drives the pulley to pass through the three stations in sequence, thereby ensuring that the pulley has the same inclination angle at each station and reducing the impact on its processing.

Description

Technical Field

[0001] The utility model relates to the field of pulley manufacturing and processing, in particular to a clamping mechanism used for pulley tapping. Background Art

[0002] When tapping the outer contour of the pulley, first make a positioning hole on its contour surface, then place it on the next workstation, continue to drill the positioning hole deeper, and finally place it on the tapping station to tap the inner wall of the hole.

[0003] When tapping the shaft hole in the middle of the pulley, since the shaft hole in the middle of the pulley is convex outward, the side of the convexity is inclined, and there is a circle of outer edge around the shaft hole, and the convexity is located on the inner side of the outer edge, when drilling the inclined surface of the convexity, the pulley needs to be tilted at a certain angle, but it cannot be guaranteed that the inclination angle of the pulley is the same at each workstation. When tapping, it will deviate from the previously drilled hole, which may cause the tapping tool to break. Utility Model Content

[0004] The utility model aims to provide a clamping mechanism for belt pulley tapping, which has the advantage of enabling the belt pulley to have the same inclination angle at each work station.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0007] By adopting the above technical scheme, when tapping the inside of the pulley contour, the concave plate on the bottom plate and the back plate are in a vertical state, one of the insertion holes of the concave plate is aligned with one of the insertion holes of the side plate, and the two aligned insertion holes are interspersed with pins, and then the shaft hole of the pulley passes through the support rod of the back plate, so that the pulley is hung on the support rod, the fixing mechanism fixes the pulley and the back plate, the moving mechanism drives the bottom plate to move, and the bottom plate drives the side plate, the concave plate and the pulley to pass through three processing equipment in sequence to tap the inside of the pulley contour; when tapping the protrusion at the shaft hole in the middle of the pulley, the concave plate is rotated to After the concave plate drives the fixing mechanism and the pulley to rotate a certain angle, the raised inclined surface of the pulley faces the processing equipment of the processing station, and the socket of the concave plate is aligned with the other socket of the side plate, and then the pin is inserted into the two aligned sockets to fix the concave plate, and then the moving mechanism drives the pulley through the three processing stations again to process its raised inclined surface. By directly moving the clamping mechanism, the pulley is driven through the three processing stations, and there is no need to remove and install the pulley from the station, resulting in different inclination angles at each station, which affects the tapping of the pulley.

[0008] Preferably, the moving mechanism includes a lead screw, which is horizontally rotatably connected to the bottom of the mounting plate, the lead screw slider is fixedly connected to a connecting plate 2, the connecting plate 2 is located at the upper part of the mounting plate, and the base plate is fixedly connected to the mounting plate.

[0009] By adopting the above technical solution, the lead screw rotates, and its slider drives the upper clamping mechanism and the pulley to move through the connecting plate.

[0010] Preferably, it further comprises an adjusting mechanism, wherein the adjusting mechanism is a screw rod, the screw rod is horizontally rotationally connected to the second connecting plate, and the base plate is fixedly connected to the screw rod slider.

[0011] By adopting the above technical solution, the position of the pulley is adjusted by a screw rod according to the pulleys of different lengths, so that the position where the pulley needs to be punched is aligned with the processing equipment.

[0012] Preferably, the fixing mechanism comprises a cylinder, a rotating rod and a connecting rod, the cylinder is fixedly connected to a connecting plate, the rotating rod is hinged to a connecting plate, one end of the connecting rod is hinged to the cylinder output shaft, the middle part is hinged to the rotating rod, and the other end of the connecting rod is fixedly connected to a pressure block.

[0013] By adopting the above technical solution, the cylinder pushes the connecting rod to move, and the connecting rod, under the action of the rotating rod, drives the pressure block to press against the pulley, exerts pressure on the pulley, and thus fixes it on the support plate.

[0014] Preferably, the side plate is provided with an arc groove having a hinge point between the concave plate and the support plate as its center; a guide rod is fixedly connected to the side of the concave plate, the guide rod passes through the arc groove, and the guide rod is slidably connected to the side plate.

[0015] By adopting the above technical solution, the concave plate is rotated, thereby driving the guide rod to move along the circular arc groove, guiding and limiting the rotation of the concave plate, and increasing the stability of its rotation.

[0016] Preferably, the three processing stations are respectively provided with a rough punching mechanism, a drilling mechanism and a tapping mechanism.

[0017] By adopting the above technical solution, a hole is first punched and positioned at the pulley contour, then the hole is drilled deeper, and finally a thread is tapped on the inner wall of the hole.

[0018] Preferably, a protective cover is provided on the upper part of the workbench, and the workstation and the clamping mechanism are located inside the protective cover.

[0019] The above technical solution is adopted to prevent the coolant used and the debris generated when processing the pulley from splashing everywhere. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall schematic diagram of an embodiment;

[0021] Figure 2 is the overall schematic diagram of the clamping mechanism;

[0022] Figure 3 It is a structural schematic diagram of the clamping mechanism from another perspective;

[0023] Figure 4 It is a schematic diagram of the connection between the side plate and the concave plate;

[0024] Figure 5 It is a structural diagram of the fixing mechanism.

[0025] Figure numerals: 1. mounting plate; 2. bottom plate; 3. side plate; 4. concave plate; 5. socket; 6. latch; 7. back plate; 8. lead screw; 9. lead screw; 10. cylinder; 11. rotating rod; 12. connecting rod; 13. pressure block; 14. arc groove; 15. guide rod; 16. rough punching mechanism; 17. drilling mechanism; 18. tapping mechanism; 19. protective cover. DETAILED DESCRIPTION

[0026] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. At the same time, it should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

[0027] See also Figures 1 to 5 A clamping mechanism for pulley tapping comprises a workbench, the workbench is fixedly connected with a protective cover 19, the upper part of the workbench in the protective cover 19 is fixedly connected with a mounting plate 1, the upper part of the mounting plate 1 is sequentially provided with a rough punching mechanism 16, a drilling mechanism 17 and a tapping mechanism 18, the bottom of the mounting plate 1 is rotatably connected with a horizontal lead screw 8, the lead screw 8 slider is fixedly connected with a connecting plate 2, the connecting plate 2 is rotatably connected with a horizontal lead screw 9, the axis of the lead screw 9 is perpendicular to the axis of the lead screw 8, the lead screw 9 slider is fixedly connected with a bottom plate 2, the upper two sides of the bottom plate 2 are respectively fixedly connected with side plates 3, a concave plate 4 is hinged between the two side plates 3, the two sides of the concave plate 4 are respectively hinged with the two side plates 3, the side plates 3 are provided with an arc groove 14, the arc groove 14 takes the hinge point of the concave plate 4 and the support plate as the center, the side of the concave plate 4 is fixedly connected with a guide rod 15, the guide rod 15 passes through the arc groove 14, and the guide rod 15 is slidably connected to the side plate 3.

[0028] See also Figure 2 , Figure 4 The two side panels 3 are respectively provided with a plurality of insertion holes 5, and the two sides of the concave panel 4 are respectively provided with insertion holes 5, the insertion holes 5 on the two sides of the concave panel 4 respectively correspond to the insertion holes 5 of the two side panels 3, and the two holes aligned with the concave panel 4 and the side panels 3 are inserted with pins 6, the middle part of the concave panel 4 is fixedly connected with a backing plate 7, and the middle part of the backing plate 7 is integrally formed with a support rod.

[0029] See also Figure 5 The back plate 7 is fixedly connected to a connecting plate 1, the connecting plate 1 is fixedly connected to a cylinder 10, the connecting plate 1 is hinged to a rotating rod 11, and also includes a connecting rod 12, one end of the connecting rod 12 is fixedly connected to a pressure block 13, the other end of the connecting rod 12 is hinged to the output shaft of the cylinder 10, and the middle part of the connecting rod 12 is hinged to the rotating rod 11.

[0030] Working principle: when tapping the inside of the pulley contour, the concave plate 4 on the bottom plate 2 and the back plate 7 are in a vertical state, and a socket 5 of the concave plate 4 is aligned with one of the sockets 5 of the side plate 3. The two aligned sockets 5 are interspersed with pins 6, and then the axial hole of the pulley is passed through the support rod of the back plate 7, so that the pulley is hung on the support rod, and the output shaft of the cylinder 10 pushes the connecting rod 12 to move. Under the action of the rotating rod 11, the connecting rod 12 drives the pressure block 13 to press against the pulley, thereby generating pressure on the pulley, thereby fixing it on the back plate 7, and then according to the length of the pulley, the screw rod 9 is rotated to adjust the position of the pulley so that the position where the pulley needs to be punched is aligned with the processing equipment, the screw rod 8 rotates, and its slider drives the bottom plate 2 to move, and the bottom plate 2 drives the pulley through three loading The processing equipment is used to punch, locate, drill and tap the contour of the pulley; when tapping the protrusion at the shaft hole in the middle of the pulley, pull out the pin 6 and rotate the concave plate 4. After the concave plate 4 drives the pulley to rotate a certain angle, the raised inclined surface of the pulley faces the processing equipment of the processing station, and at the same time, the socket 5 of the concave plate 4 is aligned with the other socket 5 of the side plate 3, and then the pin 6 is inserted into the two aligned sockets 5, the concave plate 4 is fixed, and then the moving mechanism drives the pulley through the three processing stations again to tap its raised inclined surface, and the pulley is driven through the three processing stations by directly moving the clamping mechanism, and there is no need to remove and install the pulley from the station, resulting in different inclination angles at each station, which affects the tapping of the pulley.

Claims

1. A clamping mechanism for pulley tapping, comprising a workbench, the workbench is fixedly connected to a mounting plate (1), and three processing stations are arranged on the upper part of the mounting plate (1), characterized in that: The bottom of the mounting plate (1) is connected to a moving mechanism, and the moving mechanism is connected to a bottom plate (2). The bottom plate (2) is located on the side of the processing station. Side plates (3) are fixedly connected to the upper two sides of the bottom plate (2). A concave plate (4) is hinged between the two side plates (3). The two sides of the concave plate (4) are hinged to the two side plates (3). The two side plates (3) are respectively provided with a plurality of plug holes (5). The two sides of the concave plate (4) are respectively provided with plug holes (5). The plug holes (5) on the two sides of the concave plate (4) correspond to the plug holes (5) of the two side plates (3). Pins (6) are inserted into two holes aligned with the concave plate (4) and the side plates (3). A backing plate (7) is fixedly connected to the middle of the concave plate (4). A support rod is integrally formed in the middle of the backing plate (7). The backing plate (7) is fixedly connected to a connecting plate 1. The connecting plate 1 is fixedly connected to a fixing mechanism.

2. A clamping mechanism for pulley tapping according to claim 1, characterized in that: The moving mechanism comprises a lead screw (8), the lead screw (8) is horizontally rotatably connected to the bottom of the mounting plate (1), the lead screw (8) slider is fixedly connected to a second connecting plate, the second connecting plate is located on the upper part of the mounting plate (1), and the bottom plate (2) is fixedly connected to the mounting plate (1).

3. A clamping mechanism for pulley tapping according to claim 2, characterized in that: It also comprises an adjustment mechanism, which is a screw rod (9), the screw rod (9) is horizontally rotatably connected to the second connecting plate, and the bottom plate (2) is fixedly connected to the screw rod (9) slider.

4. A clamping mechanism for pulley tapping according to claim 1, characterized in that: The fixing mechanism comprises a cylinder (10), a rotating rod (11) and a connecting rod (12); the cylinder (10) is fixedly connected to a connecting plate; the rotating rod (11) is hinged to a connecting plate; one end of the connecting rod (12) is hinged to an output shaft of the cylinder (10); the middle part of the connecting rod (12) is hinged to the rotating rod (11); and the other end of the connecting rod (12) is fixedly connected to a pressure block (13).

5. A clamping mechanism for pulley tapping according to claim 1, characterized in that: The side plate (3) is provided with an arc groove (14), the arc groove (14) takes the hinge point between the concave plate (4) and the support plate as the center, the side of the concave plate (4) is fixedly connected with a guide rod (15), the guide rod (15) passes through the arc groove (14), and the guide rod (15) is slidably connected to the side plate (3).

6. A clamping mechanism for pulley tapping according to claim 1, characterized in that: The three processing stations are respectively provided with a rough punching mechanism (16), a drilling mechanism (17) and a tapping mechanism (18).

7. A clamping mechanism for pulley tapping according to claim 1, characterized in that: A protective cover (19) is arranged on the upper part of the workbench, and the workstation and the clamping mechanism are located inside the protective cover (19).

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