Automatic pin feeding device

Abstract

According to the technical scheme, the automatic pin feeding device is characterized by comprising a positioning seat, and a workpiece is positioned at the top of the positioning seat; the jacking air cylinder is arranged on one side of the positioning seat, and a piston rod of the jacking air cylinder can stretch into the pin storage hole so that the positioning pin can abut against the interior of the pin storage hole; the number of the clamping claws is two, and the two clamping claws achieve clamping and loosening of one end of the bottom of the positioning pin through opposite movement and opposite movement in the horizontal direction; the moving mechanism is used for driving the two clamping claws to move so as to insert the pin shaft into the pin storage hole from bottom to top through the two clamping claws; and the pin supply mechanism is used for transferring the positioning pin to the clamping jaw. Through the arrangement of the moving mechanism and the clamping jaw, the positioning pin can be accurately inserted into a bottom pin hole of a workpiece from bottom to top through the moving mechanism after the positioning pin is clamped by the clamping jaw, so that manpower is saved, and the mounting accuracy of the positioning pin is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning pin installation, and more specifically, to an automatic pin feeding device. Background Art

[0002] In automated production, especially in the production and assembly of automotive parts, locating pins are needed for assembly between parts. Therefore, press-fitting of locating pins becomes a relatively important process in parts assembly. The locating pins are press-fitted into the pin holes of the workpieces to achieve press-fitting of the locating pins. Then, the part of the locating pin exposed through the pin holes is inserted into another workpiece to achieve positioning between the workpieces.

[0003] When installing locating pins on certain workpieces, it is necessary not only to install the locating pins on the top of the workpiece, but also to install the locating pins on the bottom of the workpiece. When installing the locating pins on the bottom of the workpiece, it is necessary to manually insert the locating pins into the pin holes. Since the pin holes are located at the bottom of the workpiece, it is not easy to determine the relative positions of the pin holes and the locating pins when manually inserting the locating pins into the pin holes, which makes the installation operation of the locating pins time-consuming and laborious. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide an automatic pin feeding device, which, through the setting of a moving mechanism and a clamp, can accurately insert the locating pin from bottom to top into the bottom pin hole of the workpiece through the moving mechanism after the clamp clamps the locating pin, thereby saving manpower and improving the accuracy of the locating pin installation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic pin feeding device, comprising a positioning seat, the workpiece is positioned on the top of the positioning seat, and a pin storage hole is opened at the bottom of the positioning seat, which passes through the positioning seat upward and corresponds to the bottom pin hole of the workpiece;

[0006] A tightening cylinder, wherein the tightening cylinder is arranged on one side of the positioning seat, and a piston rod of the tightening cylinder can extend into the storage pin hole to tighten the positioning pin in the storage pin hole;

[0007] Clamping claws, wherein two clamping claws are provided, and the two clamping claws can clamp and release one end of the bottom of the positioning pin by moving toward and away from each other in the horizontal direction;

[0008] A moving mechanism, the moving mechanism is used to drive the two clamping claws to move so as to insert the pin shaft from bottom to top into the pin storage hole through the two clamping claws;

[0009] And a pin supply mechanism, which is used to transfer the positioning pin to the clamping claw.

[0010] The utility model is further configured as follows: the pin supply mechanism includes a pin outlet plate, and the pin outlet plate is used to transfer the positioning pin to the clamping claw;

[0011] A pin outlet member, the pin outlet member is fixedly connected to the top of the pin outlet plate, and the pin outlet member is provided with a pin outlet hole vertically penetrating the pin outlet plate and the pin outlet member;

[0012] And a pin supply pipe, the pin supply pipe is fixedly connected to the top of the pin outlet member, and the pin supply pipe is connected to the pin outlet hole to transfer the positioning pin to the pin outlet hole.

[0013] The utility model is further configured as follows: it also includes a clamping claw cylinder, and two clamping claws are fixedly connected to two clamping claws of the clamping claw cylinder.

[0014] The utility model is further configured as follows: a V-shaped groove is arranged on one side of the two clamping claws close to each other, the V-shaped groove vertically penetrates the clamping claws, and the positioning pins are clamped in the two V-shaped grooves.

[0015] The utility model is further configured as follows: it also includes a fixing seat, and the cylinder body of the clamping claw cylinder is fixedly connected to the fixing seat;

[0016] The fixing seat is provided with a positioning plane, which is arranged at the bottom of the clamping claws and is used to place the positioning pin so as to fall downward from the two clamping claws.

[0017] The utility model is further configured as follows: the moving mechanism comprises a transverse moving seat, and the transverse moving seat can slide in a transverse direction along a horizontal plane;

[0018] and a longitudinal moving seat, the longitudinal moving seat being slidably connected to the transverse moving seat, and the longitudinal moving seat sliding along the longitudinal direction on a horizontal plane relative to the transverse moving seat;

[0019] The fixed seat is slidably connected to the longitudinal movable seat, and the fixed seat slides vertically on the longitudinal movable seat.

[0020] The utility model is further configured as follows: the moving mechanism further comprises a transverse moving cylinder, the piston rod of the transverse moving cylinder is fixed in position, and the cylinder body of the transverse moving cylinder is fixedly connected to the transverse moving seat;

[0021] A longitudinal moving cylinder, wherein the piston rod of the longitudinal moving cylinder is fixedly connected to the longitudinal moving seat, and the cylinder body is fixedly connected to the transverse moving seat;

[0022] And a vertical cylinder, the cylinder body of the vertical cylinder is fixedly connected to the longitudinal moving seat, and the piston rod is fixedly connected to the fixed seat.

[0023] The utility model is further configured as follows: it also includes a base plate, the positioning seat and the supply and pin mechanism are arranged on the top of the base plate, and holes vertically penetrating the base plate are arranged at positions on the base plate corresponding to the positioning seat and the supply and pin mechanism; the moving mechanism is arranged at the bottom of the base plate, and the piston rod of the transverse moving cylinder is fixedly connected to the base plate.

[0024] The utility model is further configured as follows: the moving mechanism further comprises a transverse guide rail, and the transverse guide rail is fixedly connected to the top of the bottom plate;

[0025] A transverse slider, which is fixedly connected to the transverse moving seat and can slide on the transverse guide rail along the sliding direction of the transverse moving seat;

[0026] A longitudinal guide rail, wherein the longitudinal guide rail is fixedly connected to the longitudinal movable seat;

[0027] And a longitudinal slider, which is fixedly connected to the transverse moving seat, and the longitudinal slider cooperates with the longitudinal guide rail so that the longitudinal guide rail and the longitudinal slider can slide relatively along the sliding direction of the longitudinal moving seat.

[0028] The utility model is further configured as follows: two connecting blocks are fixedly connected on both sides of the top of the feeding tray, a mounting groove is provided on the side of the connecting block close to the rotating plate, the mounting groove passes through the connecting block along the length direction of the rotating plate, the two sides of the rotating plate are respectively embedded in the two mounting grooves, and a pin shaft is provided on the side of the two connecting blocks facing away from each other, which passes through the connecting block and abuts against the rotating plate.

[0029] To sum up, compared with the prior art, the utility model has the following beneficial effects: through the setting of the moving mechanism and the clamping jaws, the utility model can accurately insert the locating pin from bottom to top into the bottom pin hole of the workpiece through the moving mechanism after the clamping jaws clamp the locating pin, which not only saves manpower but also improves the accuracy of the locating pin installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of the overall structure of an embodiment;

[0031] Figure 2 is a schematic diagram of a moving mechanism embodied in an embodiment;

[0032] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0033] Figure 4 is a schematic diagram of a moving mechanism of an embodiment;

[0034] Figure 5 for Figure 4 A magnified schematic diagram of part B;

[0035] Figure 6A cross-sectional view of a supply and marketing mechanism of an embodiment;

[0036] Figure 7 It is a cross-sectional view of the positioning seat of the embodiment.

[0037] In the figure: 1. bottom plate; 11. hole; 2. positioning seat; 21. positioning groove; 22. tightening cylinder; 23. pin storage hole; 3. supply and marketing mechanism; 31. pin plate; 32. pin member; 321. pin hole; 33. supply and marketing pipe; 4. moving mechanism; 41. transverse moving seat; 42. longitudinal moving seat; 43. transverse moving cylinder; 44. longitudinal moving cylinder; 45. transverse guide rail; 46. transverse slider; 47. longitudinal guide rail; 48. longitudinal slider; 49. vertical cylinder; 5. clamping claw; 6. clamping claw cylinder; 7. fixed seat; 71. positioning plane. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0039] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0040] Embodiment: A pin automatic feeding device, see attached Figure 1 -Attached Figure 7 , including a positioning seat 2 for positioning the workpiece, a tightening cylinder 22 fixedly connected to the side of the positioning seat 2, a clamping claw 5 for clamping and loosening the bottom end of the positioning pin, a moving mechanism 4 for moving the clamping claw 5 and the positioning pin clamped by the clamping claw 5, and a pin supply mechanism 3 for providing the positioning pin to the clamping claw 5. A pin storage hole 23 that penetrates the positioning seat 2 upward and corresponds to the bottom pin hole of the workpiece is opened at the bottom of the positioning seat 2. The tightening cylinder 22 is arranged on one side of the positioning seat 2, and the piston rod of the tightening cylinder 22 can extend into the pin storage hole 23 to tighten the positioning pin in the pin storage hole 23. Two clamping claws 5 are arranged, and the two clamping claws 5 can clamp and loosen the bottom end of the positioning pin by moving toward and away from each other in the horizontal direction.

[0041] When the locating pin is transmitted, the locating pin is first transferred from top to bottom between the two clamping claws 5 through the pin supply mechanism 3, and then the two clamping claws 5 move towards each other to clamp one end of the bottom of the locating pin. Then, the two clamping claws 5 are driven to move by the moving mechanism 4 so that the clamping claws 5 are aligned with the pin storage hole 23, and then the clamping claws 5 move upward to pass the locating pin from the bottom upward through the pin storage hole 23 and insert it into the pin hole at the bottom of the workpiece.

[0042] Specifically, the pin supply mechanism 3 includes a pin output plate 31, a pin output member 32 fixedly connected to the top of the pin output plate 31, and a pin supply tube 33 fixedly connected to the top of the pin output member 32; the pin output plate 31 is used to transfer the positioning pin to the clamping claw 5, and the pin output member 32 is provided with a pin output hole 321 vertically passing through the pin output plate 31 and the pin output member 32, and the pin supply tube 33 is connected to the pin output hole 321 for transferring the positioning pin to the pin output hole 321.

[0043] The pin supply tube 33 transfers the positioning pin to the pin outlet hole 321 , and the positioning pin in the pin outlet hole 321 is transferred downward to the clamping claw 5 .

[0044] Specifically, the present embodiment further comprises a clamping jaw cylinder 6, and two clamping jaws 5 are fixedly connected to two clamping jaws of the clamping jaw cylinder 6, and the clamping jaws 5 are driven by the clamping jaw cylinder 6 to clamp and release the workpiece.

[0045] Specifically, a V-shaped groove is provided on one side of the two clamping claws 5 that are close to each other. The V-shaped groove vertically penetrates the clamping claws 5, and the positioning pins are clamped in the two V-shaped grooves.

[0046] Specifically, this embodiment also includes a fixed seat 7, and the cylinder body of the clamping jaw cylinder 6 is fixedly connected to the fixed seat 7; a positioning plane 71 is provided on the fixed seat 7, and the positioning plane 71 is provided at the bottom of the clamping jaw 5 to place the positioning pin to fall downward from the two clamping jaws 5.

[0047] Specifically, the moving mechanism 4 includes a transverse moving seat 41 and a longitudinal moving seat 42; the transverse moving seat 41 can slide in a transverse direction along a horizontal plane, and the longitudinal moving seat 42 is slidably connected to the transverse moving seat 41, and the longitudinal moving seat 42 slides in the longitudinal direction on the horizontal plane relative to the transverse moving seat 41; the fixed seat 7 is slidably connected to the longitudinal moving seat 42, and the fixed seat 7 slides vertically on the longitudinal moving seat 42.

[0048] Through the sliding of the transverse moving seat 41, the longitudinal moving seat 42 and the fixed seat 7, the clamping cylinder can be driven to move in multiple directions, so that the clamping cylinder clamped on the positioning pin can be accurately moved from the supply and pin mechanism 3 to the bottom of the positioning seat 2, and move upward through the fixed seat 7 to insert the positioning pin into the pin hole of the workpiece.

[0049] Specifically, the moving mechanism 4 also includes a transverse moving cylinder 43, a longitudinal moving cylinder 44 and a vertical cylinder 49. The position of the piston rod of the transverse moving cylinder 43 is fixed, and the cylinder body of the transverse moving cylinder is fixedly connected to the transverse moving seat 41; the piston rod of the longitudinal moving cylinder 44 is fixedly connected to the longitudinal moving seat 42, and the cylinder body is fixedly connected to the transverse moving seat 41; the cylinder body of the vertical cylinder 49 is fixedly connected to the longitudinal moving seat 42, and the piston rod is fixedly connected to the fixed seat 7.

[0050] Specifically, this embodiment also includes a base plate 1, the positioning seat 2 and the supply and pin mechanism 3 are arranged on the top of the base plate 1, and holes 11 vertically penetrating the base plate 1 are arranged at positions corresponding to the positioning seat 2 and the supply and pin mechanism 3 on the base plate 1; the moving mechanism 4 is arranged at the bottom of the base plate 1, and the piston rod of the transverse moving cylinder 43 is fixedly connected to the base plate 1.

[0051] Specifically, the moving mechanism 4 also includes a transverse guide rail 45, a transverse slider 46, a longitudinal guide rail 47 and a longitudinal slider 48. The transverse guide rail 45 is fixedly connected to the top of the base plate 1; the transverse slider 46 is fixedly connected to the transverse moving seat 41 and can slide on the transverse guide rail 45 along the sliding direction of the transverse moving seat 41; the longitudinal guide rail 47 is fixedly connected to the longitudinal moving seat 42; the longitudinal slider 48 is fixedly connected to the transverse moving seat 41, and the longitudinal slider 48 cooperates with the longitudinal guide rail 47 so that the longitudinal guide rail 47 and the longitudinal slider 48 can slide relative to each other along the sliding direction of the longitudinal moving seat 42.

[0052] Specifically, a positioning groove 21 is provided on the top of the positioning seat 2, and the positioning groove 21 cooperates with the bottom of the workpiece, so that the workpiece can be positioned by embedding the bottom of the workpiece into the positioning groove 21; the pin hole 23 is connected to the positioning groove 21, so that the positioning groove 21 can be aligned with the pin hole at the bottom of the workpiece.

[0053] Specifically, in this embodiment, two pin holes are provided at the bottom of the workpiece, and correspondingly, two pin storage holes 23 are provided at the bottom of the positioning seat 2, and correspondingly, two tightening cylinders 22 are provided on the positioning seat 2. In order to realize the pinning operation of the two pin storage holes 23, two groups of clamps and two moving mechanisms 4 are provided in this embodiment corresponding to the two pin storage holes 23, and the two moving mechanisms 4 respectively drive the two groups of clamps to send the positioning pins into the two pin holes. Correspondingly, two pin outlet parts 32, pin outlet holes 321 and pin supply tubes 33 are provided in the pin supply mechanism 3, and the two pin outlet parts 32 are respectively used to send the positioning pins into the two groups of clamps.

[0054] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. 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.

Claims

1. An automatic pin feeding device, characterized in that: It comprises a positioning seat (2), a workpiece is positioned on the top of the positioning seat (2), and a pin hole (23) is provided at the bottom of the positioning seat (2) and passes through the positioning seat (2) upward and corresponds to the bottom pin hole of the workpiece; A tightening cylinder (22), wherein the tightening cylinder (22) is arranged on one side of the positioning seat (2), and a piston rod of the tightening cylinder (22) can extend into the pin storage hole (23) to tighten the positioning pin in the pin storage hole (23); A clamping claw (5), wherein two clamping claws (5) are provided, and the two clamping claws (5) can clamp and release one end of the bottom of the positioning pin by moving toward and away from each other in a horizontal direction; A moving mechanism (4), the moving mechanism (4) is used to drive the two clamping claws (5) to move so as to insert the pin shaft from bottom to top into the pin storage hole (23) through the two clamping claws (5); And a pin supply mechanism (3), wherein the pin supply mechanism (3) is used to transfer the positioning pin to the clamping claw (5).

2. The automatic pin feeding device according to claim 1 is characterized in that: The pin supply mechanism (3) comprises a pin outlet plate (31), and the pin outlet plate (31) is used to transfer the positioning pin to the clamping claw (5); A pin outlet member (32), the pin outlet member (32) being fixedly connected to the top of the pin outlet plate (31), and the pin outlet member (32) being provided with a pin outlet hole (321) vertically penetrating the pin outlet plate (31) and the pin outlet member (32); and a pin supply pipe (33), wherein the pin supply pipe (33) is fixedly connected to the top of the pin outlet member (32), and the pin supply pipe (33) is communicated with the pin outlet hole (321) to transfer the positioning pin to the pin outlet hole (321).

3. The automatic pin feeding device according to claim 2 is characterized in that: It also comprises a clamping claw cylinder (6), and two clamping claws (5) are fixedly connected to two clamping claws of the clamping claw cylinder (6).

4. The automatic pin feeding device according to claim 3 is characterized in that: A V-shaped groove is arranged on one side of the two clamping claws (5) close to each other, the V-shaped groove vertically penetrates the clamping claws (5), and the positioning pins are clamped in the two V-shaped grooves.

5. The automatic pin feeding device according to claim 4 is characterized in that: It also includes a fixed seat (7), and the cylinder body of the clamping claw cylinder (6) is fixedly connected to the fixed seat (7); The fixing seat (7) is provided with a positioning plane (71), which is arranged at the bottom of the clamping claw (5) to prevent the positioning pin from falling downward from the two clamping claws (5).

6. The automatic pin feeding device according to claim 5, characterized in that: The moving mechanism (4) comprises a transverse moving seat (41), and the transverse moving seat (41) is capable of sliding in a transverse direction along a horizontal plane; and a longitudinal moving seat (42), wherein the longitudinal moving seat (42) is slidably connected to the transverse moving seat (41), and the longitudinal moving seat (42) slides along a longitudinal direction on a horizontal plane relative to the transverse moving seat (41); The fixed seat (7) is slidably connected to the longitudinal movable seat (42), and the fixed seat (7) slides vertically on the longitudinal movable seat (42).

7. The automatic pin feeding device according to claim 6, characterized in that: The moving mechanism (4) further comprises a transverse moving cylinder (43), the piston rod of the transverse moving cylinder (43) is fixed in position, and the cylinder body of the transverse moving cylinder is fixedly connected to the transverse moving seat (41); A longitudinal moving cylinder (44), wherein the piston rod of the longitudinal moving cylinder (44) is fixedly connected to the longitudinal moving seat (42), and the cylinder body is fixedly connected to the transverse moving seat (41); And a vertical cylinder (49), wherein the cylinder body of the vertical cylinder (49) is fixedly connected to the longitudinal movable seat (42), and the piston rod is fixedly connected to the fixed seat (7).

8. The automatic pin feeding device according to claim 7, characterized in that: It also includes a base plate (1), the positioning seat (2) and the supply and pin mechanism (3) are arranged on the top of the base plate (1), and holes (11) vertically penetrating the base plate (1) are arranged at positions on the base plate (1) corresponding to the positioning seat (2) and the supply and pin mechanism (3); the moving mechanism (4) is arranged at the bottom of the base plate (1), and the piston rod of the transverse moving cylinder (43) is fixedly connected to the base plate (1).

9. The automatic pin feeding device according to claim 8, characterized in that: The moving mechanism (4) further comprises a transverse guide rail (45), wherein the transverse guide rail (45) is fixedly connected to the top of the base plate (1); A transverse slider (46), the transverse slider (46) being fixedly connected to the transverse moving seat (41) and being capable of sliding on the transverse guide rail (45) along the sliding direction of the transverse moving seat (41); A longitudinal guide rail (47), wherein the longitudinal guide rail (47) is fixedly connected to the longitudinal movable seat (42); and a longitudinal slider (48), wherein the longitudinal slider (48) is fixedly connected to the transverse moving seat (41), and the longitudinal slider (48) cooperates with the longitudinal guide rail (47) so that the longitudinal guide rail (47) and the longitudinal slider (48) can slide relatively along the sliding direction of the longitudinal moving seat (42).

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