Double-station pin automatic feeding device

Abstract

According to the technical scheme, the automatic double-station pin feeding device is characterized by comprising a pin supply mechanism; the number of the feeding mechanisms is two, and the two feeding mechanisms rotate around the vertical axis; the pin supply mechanism and the workpiece are located on the two sides of the rotating axis of the two feeding mechanisms correspondingly, so that the two feeding mechanisms can rotate to the pin supply mechanism and the workpiece correspondingly. The feeding mechanism comprises a feeding disc, the axis of the feeding disc is vertical, a material storage hole vertically penetrating through the feeding disc is formed in the feeding disc, the pin supply mechanism conveys a positioning pin into the material storage hole, and the positioning pin can vertically slide in the material storage hole; and a locking cylinder. Through the arrangement of the feeding disc and the locking air cylinder, after a storage hole in the feeding disc is aligned with a pin hole in a workpiece, clamping of a positioning pin is released through the locking air cylinder, so that the positioning pin can accurately fall into the pin hole, efficiency is improved, and the positioning precision is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning pin installation, and more specifically, to a double-station pin automatic 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] In the existing pressing process, the locating pins are pressed into the pin holes of the workpiece by manually operating the press. When pressing, the locating pins need to be manually inserted into the pin holes, and then the pressing operation is performed. Manual loading and placement of the locating pins will not only cause a large amount of manpower consumption, but also reduce the accuracy of the pressing pins due to inaccurate manual positioning. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a double-station pin automatic feeding device, which, through the arrangement of a feeding tray and a locking cylinder, can align the storage holes on the feeding tray with the pin holes on the workpiece, and then release the clamping of the locating pins through the locking cylinder, so that the locating pins can accurately fall into the pin holes, which improves both efficiency and positioning accuracy.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-station pin automatic feeding device, comprising a pin supply mechanism, the pin supply mechanism is used to provide positioning pins;

[0006] and a feeding mechanism, wherein two feeding mechanisms are provided, and the two feeding mechanisms rotate around a vertical axis; the supply and pinning mechanism and the workpiece are respectively located on both sides of the rotation axis of the two feeding mechanisms, so that the two feeding mechanisms can rotate to the supply and pinning mechanism and the workpiece respectively;

[0007] The feeding mechanism comprises a feeding tray, the axis of the feeding tray is vertical, a material storage hole is provided on the feeding tray and vertically penetrates the feeding tray, the pin supply mechanism sends the positioning pin to the material storage hole, and the positioning pin can slide vertically in the material storage hole;

[0008] And a locking cylinder, wherein the locking cylinder is used to lock the positioning pin in the material storage hole in the material storage hole.

[0009] The utility model is further configured as follows: it also includes a profiling member, the profiling member is arranged below the supply and pin mechanism, the profiling member and the workpiece are symmetrically arranged relative to the rotation axis of the two feeding mechanisms, and the shape and size of the profiling member are the same as the shape and size of the workpiece;

[0010] The feeding mechanism further comprises a positioning member, which can be inserted into the workpiece or the profiling member from top to bottom and cooperate with the workpiece and the profiling member.

[0011] The utility model is further configured as follows: a circular inner hole is provided on the top of the workpiece, and a pin hole for installing a positioning pin on the workpiece is located on the top of the workpiece and on the side of the circular inner hole;

[0012] The positioning member is arranged in a circular ring shape, and the outer diameter of the positioning member is equal to the diameter of the circular inner hole of the workpiece.

[0013] The utility model is further configured as follows: the pin supply mechanism includes a pin outlet plate, and the pin outlet plate can contact and separate from the top of the feeding tray by moving up and down;

[0014] A pin outlet head, wherein a pin outlet hole is provided in the pin outlet head and vertically passes through the pin outlet head and the pin outlet plate, and when the pin outlet plate contacts the feeding tray, the pin outlet hole is aligned with the material storage hole;

[0015] And a pin supply pipe, which is fixedly connected to the top of the pin outlet head and communicated with the pin outlet hole. The pin supply pipe transports the positioning pin to the pin outlet hole through air pressure.

[0016] The utility model is further configured as follows: the supply and marketing mechanism further comprises a fixing plate, the position of which is fixed;

[0017] A lifting cylinder, the lifting cylinder is fixedly connected to the fixed plate to drive the pin plate to slide up and down;

[0018] A sliding seat, the sliding seat is connected to the lifting cylinder, and the pin plate is connected to the bottom of the sliding seat;

[0019] A guide post, which is fixedly connected to the connecting seat and passes through the fixing plate along the sliding direction of the connecting seat;

[0020] And a linear bearing, which is fixedly connected to the fixing plate and sleeved outside the guide column.

[0021] The utility model is further configured as follows: a connecting seat is fixedly connected to the bottom of the sliding seat, a connecting groove is provided at the bottom of the connecting seat and penetrates the connecting seat in a horizontal direction, a connecting head is provided in the connecting groove and is fixedly connected to the pin outlet plate, the connecting head can be embedded in the connecting groove in a horizontal direction and cooperate with the connecting groove, the cross-section of the connecting groove and the connecting head is arranged in a convex shape and the narrow side is located at the bottom of the connecting head.

[0022] The utility model is further configured as follows: it also includes a rotating plate, the rotating plate is horizontally arranged, the rotating plate rotates around the rotating axes of the two feeding mechanisms, and the two feeding mechanisms are connected to the rotating plate;

[0023] And a fixed seat, which is arranged above the rotating plate, the rotating plate is rotatably connected to the fixed seat, and the fixed seat drives the feeding mechanism to contact and disengage with the workpiece by moving up and down.

[0024] The utility model is further configured as follows: a rotating shaft is fixedly connected to the top of the rotating plate, the two feeding mechanisms rotate around the axis of the rotating shaft, and the rotating shaft is rotatably connected to the fixed seat;

[0025] An outer gear ring coaxial with the rotating shaft is fixedly connected outside the rotating shaft, a rack sliding in the horizontal direction and cooperating with the outer gear ring is arranged on one side of the rotating shaft, the rack is slidably connected to the bottom of the fixed seat, and a cylinder driving the rack to slide is arranged at the bottom of the fixed seat.

[0026] The utility model is further configured as follows: the feed tray is connected to the bottom of the rotating plate, and a clearance hole vertically penetrating the rotating plate is provided on the rotating plate at a position corresponding to the feed tray, so that the supply and pin mechanism can contact the feed tray through the clearance hole to realize the transfer of the positioning pin to the feed tray.

[0027] 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.

[0028] To sum up, compared with the prior art, the utility model has the following beneficial effects: through the provision of a feeding tray and a locking cylinder, the utility model can align the material storage hole on the feeding tray with the pin hole on the workpiece, and then release the clamping of the locating pin through the locking cylinder, so that the locating pin can accurately fall into the pin hole, which not only improves efficiency, but also improves positioning accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a schematic diagram of the overall structure of an embodiment;

[0030] Figure 2 Schematic diagram of a feeding mechanism of an embodiment;

[0031] Figure 3 is a cross-sectional view of a feeding mechanism of an embodiment;

[0032] Figure 4 for Figure 3 A magnified schematic diagram of part A;

[0033] Figure 5 A cross-sectional view of a supply and marketing mechanism of an embodiment;

[0034] Figure 6 Schematic diagram of the supply and marketing mechanism of the embodiment.

[0035] In the figure: 1. support frame; 2. supply and marketing mechanism; 21. pin plate; 211. pin hole; 22. pin head; 23. supply and marketing tube; 24. fixed plate; 241. linear bearing; 25. sliding seat; 251. guide column; 26. connecting seat; 261. connecting groove; 27. connecting head; 3. feeding mechanism; 31. feeding plate; 32. locking cylinder; 321. material storage hole; 33. connecting block; 331. mounting groove; 332. pin shaft; 34. positioning member; 4. profiling member; 5. rotating plate; 51. rotating shaft; 52. outer gear ring; 53. rack; 6. fixed seat. DETAILED DESCRIPTION

[0036] 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.

[0037] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0038] Embodiment: A dual-station pin automatic feeding device, see attached Figure 1 -Attached Figure 6 , including a supply and pin mechanism 2 for providing positioning pins and a feeding mechanism 3 for transferring the positioning pins provided by the supply and pin mechanism 2 to the pin holes of the workpiece. Two feeding mechanisms 3 are provided, and the two feeding mechanisms 3 rotate around a vertical axis; the supply and pin mechanism 2 and the workpiece are respectively located on both sides of the rotation axis of the two feeding mechanisms 3, so that the two feeding mechanisms 3 can rotate to the supply and pin mechanism 2 and the workpiece respectively. The feeding mechanism 3 includes a feeding tray 31 and a locking cylinder 32. The axis of the feeding tray 31 is vertical, and the feeding tray 31 is provided with a storage hole 321 that vertically penetrates the feeding tray 31. The supply and pin mechanism 2 delivers the positioning pin to the storage hole 321, and the positioning pin can slide vertically in the storage hole 321. The locking cylinder 32 is used to lock the positioning pin in the storage hole 321 in the storage hole 321.

[0039] When the locating pin is sent to the pin hole of the workpiece, the feeding mechanism 3 first rotates to the bottom of the pin supply mechanism 2, and the pin supply mechanism 2 transmits the locating pin to the storage hole 321, and the locating pin is pressed against the hole wall of the storage hole 321 by the piston rod of the locking cylinder 32, so as to realize the temporary storage of the locating pin; then the feeding mechanism 3 rotates so that the feeding mechanism 3 rotates to the top of the workpiece and aligns the storage hole 321 with the pin hole of the workpiece, and then the locking cylinder 32 releases the lock on the locating pin, and the locating pin slides downward under the action of its own gravity until the locating pin is inserted into the pin hole.

[0040] The pin supply mechanism 2 includes a pin plate 21, a pin head 22 and a pin supply pipe 23; the pin plate 21 can contact and separate from the top of the feed tray 31 by moving up and down; a pin hole 211 is provided in the pin head 22, which vertically passes through the pin head 22 and the pin plate 21. When the pin plate 21 contacts the feed tray 31, the pin hole 211 is aligned with the material storage hole 321; the pin supply pipe 23 is fixedly connected to the top of the pin head 22 and communicates with the pin hole 211. The pin supply pipe 23 conveys the positioning pin into the pin hole 211 through the pressure of air. Each pin hole 211 corresponds to a material storage hole 321. When the pin plate 21 contacts the top of the feed tray 31, the pin hole 211 can be aligned with the corresponding material storage hole 321.

[0041] Specifically, in this embodiment, two pin holes are set on the top of the workpiece, two material storage holes 321 are set on the corresponding feeding tray 31, two pin outlet holes 211 are set on the pin outlet plate 21, and two corresponding pin outlet heads 22 and pin supply tubes 23 are also set.

[0042] Specifically, the present embodiment further comprises a profiling member 4, which is arranged below the supply and pin mechanism 2, and the profiling member 4 is symmetrically arranged with respect to the rotation axis of the two feeding mechanisms 3, and the shape and size of the profiling member 4 are the same as the shape and size of the workpiece. The feeding mechanism 3 further comprises a positioning member 34, which can be inserted into the workpiece or the profiling member 4 from top to bottom and cooperate with the workpiece and the profiling member 4. Specifically, the two feeding mechanisms 3 are arranged to be able to slide up and down in the vertical direction.

[0043] By providing the profiling member 4 , when one of the feeding mechanisms 3 transmits the positioning pin to the workpiece, the profiling member 4 is used to position the other feeding mechanism 3 .

[0044] Specifically, a circular inner hole is provided at the top of the workpiece, and the pin hole for installing the positioning pin on the workpiece is located at the top of the workpiece and at the side of the circular inner hole; the positioning member 34 is set to be a circular ring, and the outer diameter of the positioning member 34 is equal to the diameter of the circular inner hole of the workpiece.

[0045] Specifically, this embodiment also includes a rotating plate 5 and a fixed seat 6. The rotating plate 5 is horizontally arranged, and the rotating plate 5 rotates around the rotating axes of the two feeding mechanisms 3. The two feeding mechanisms 3 are connected to the rotating plate 5; the fixed seat 6 is arranged above the rotating plate 5, and the rotating plate 5 is rotatably connected to the fixed seat 6. The fixed seat 6 drives the feeding mechanism 3 to contact and disengage with the workpiece by moving up and down.

[0046] Specifically, a cylinder for driving the fixed seat 6 to move up and down is disposed on the top of the fixed seat 6 , so that the rotating plate 5 can be driven to move up and down through the fixed seat 6 to drive the two feeding mechanisms 3 to move up and down.

[0047] Specifically, a rotating shaft 51 is fixedly connected to the top of the rotating plate 5, and the two feeding mechanisms 3 rotate around the axis of the rotating shaft 51, and the rotating shaft 51 is rotatably connected to the fixed seat 6; an outer gear ring 52 coaxial with the rotating shaft 51 is fixedly connected to the outside of the rotating shaft 51, and a rack 53 that slides in a horizontal direction and cooperates with the outer gear ring 52 is provided on one side of the rotating shaft 51, and the rack 53 is slidably connected to the bottom of the fixed seat 6, and a cylinder that drives the rack 53 to slide is provided at the bottom of the fixed seat 6, and the rack 53 slides along its own length direction.

[0048] The cylinder connected to the rack 53 can drive the rack 53 to slide along its own length direction. During the sliding process, the rack 53 can cooperate with the outer gear ring 52 to drive the outer gear ring 52 to rotate, and at the same time drive the rotating shaft 51 to rotate, so as to drive the two feeding mechanisms 3 to rotate.

[0049] Specifically, the feed tray 31 is connected to the bottom of the rotating plate 5, and a clearance hole vertically penetrating the rotating plate 5 is provided at the position corresponding to the feed tray 31 on the rotating plate 5, so that the supply and pin mechanism 2 can contact the feed tray 31 through the clearance hole to realize the transfer of the positioning pin to the feed tray 31.

[0050] Two connecting blocks 33 are fixedly connected to the two sides of the top of the feeding tray 31. A mounting groove 331 is provided on the side of the connecting block 33 close to the rotating plate 5. The mounting groove 331 penetrates the connecting block 33 along the length direction of the rotating plate 5. The two sides of the rotating plate 5 are respectively embedded in the two mounting grooves 331. The two connecting blocks 33 are provided with a pin 332 that penetrates the connecting block 33 and abuts against the rotating plate 5 on the side facing away from each other. By setting the mounting groove 331 and the pin 332, the position of the feeding tray 31 on the rotating plate 5 can be adjusted along the length direction of the rotating plate 5.

[0051] Specifically, the supply and pin mechanism 2 further includes a fixed plate 24, a lifting cylinder, a sliding seat 25, a guide column 251 and a linear bearing 241. The position of the fixed plate 24 is fixed. The lifting cylinder is fixedly connected to the fixed plate 24 to drive the pin plate 21 to slide up and down. The sliding seat 25 is connected to the lifting cylinder. The pin plate 21 is connected to the bottom of the sliding seat 25. The guide column 251 is fixedly connected to the connecting seat 26 and penetrates the fixed plate 24 along the sliding direction of the connecting seat 26. The linear bearing 241 is fixedly connected to the fixed plate 24 and sleeved outside the guide column 251. Through the arrangement of the guide column 251 and the linear bearing 241, the upward and downward sliding direction of the pin plate 21 can be guided and limited.

[0052] Specifically, the bottom of the sliding seat 25 is fixedly connected to a connecting seat 26, and the bottom of the connecting seat 26 is provided with a connecting groove 261 that penetrates the connecting seat 26 in a horizontal direction. A connecting head 27 fixedly connected to the pin outlet plate 21 is provided in the connecting groove 261, and the connecting head 27 can be embedded in the connecting groove 261 in a horizontal direction and cooperate with the connecting groove 261. The cross-section of the connecting groove 261 and the connecting head 27 is convex in shape and the narrow side is located at the bottom of the connecting head 27.

[0053] Specifically, the present embodiment further comprises a support frame 1 , and a fixing plate 24 and a cylinder for driving the fixing seat 6 to move up and down are all fixedly connected to the support frame 1 .

[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. A double-station pin automatic feeding device, characterized in that: It comprises a supply and marketing mechanism (2), wherein the supply and marketing mechanism (2) is used to provide positioning pins; and a feeding mechanism (3), wherein two feeding mechanisms (3) are provided, and the two feeding mechanisms (3) rotate around a vertical axis; the supply and marketing mechanism (2) and the workpiece are respectively located on both sides of the rotation axis of the two feeding mechanisms (3), so that the two feeding mechanisms (3) can rotate to the supply and marketing mechanism (2) and the workpiece respectively; The feeding mechanism (3) comprises a feeding tray (31), the axis of the feeding tray (31) is vertical, and a material storage hole (321) is provided on the feeding tray (31) and vertically penetrates the feeding tray (31). The pin supply mechanism (2) sends a positioning pin to the material storage hole (321), and the positioning pin can slide vertically in the material storage hole (321); and a locking cylinder (32), wherein the locking cylinder (32) is used to lock the positioning pin in the material storage hole (321) in the material storage hole (321).

2. A double-station pin automatic feeding device according to claim 1, characterized in that: It also includes a profiling member (4), which is arranged below the supply and pin mechanism (2), the profiling member (4) and the workpiece are symmetrically arranged relative to the rotation axis of the two feeding mechanisms (3), and the shape and size of the profiling member (4) are the same as those of the workpiece; The feeding mechanism (3) further comprises a positioning member (34), wherein the positioning member (34) can be inserted into the workpiece or the profiling member (4) from top to bottom and cooperate with the workpiece and the profiling member (4).

3. A double-station pin automatic feeding device according to claim 2, characterized in that: A circular inner hole is arranged on the top of the workpiece, and a pin hole for installing a positioning pin on the workpiece is located on the top of the workpiece and on the side of the circular inner hole; The positioning member (34) is arranged in a circular ring shape, and the outer diameter of the positioning member (34) is equal to the diameter of the circular inner hole of the workpiece.

4. A double-station pin automatic feeding device according to claim 3, characterized in that: The pin supply mechanism (2) comprises a pin outlet plate (21), and the pin outlet plate (21) can contact and separate from the top of the feeding tray (31) by moving up and down; A pin outlet head (22), wherein a pin outlet hole (211) is provided in the pin outlet head (22) and vertically penetrates the pin outlet head (22) and the pin outlet plate (21), and when the pin outlet plate (21) contacts the feeding tray (31), the pin outlet hole (211) is aligned with the material storage hole (321); and a pin supply pipe (23), wherein the pin supply pipe (23) is fixedly connected to the top of the pin outlet head (22) and communicated with the pin outlet hole (211), and the pin supply pipe (23) transports the positioning pin into the pin outlet hole (211) through air pressure.

5. The double-station pin automatic feeding device according to claim 4 is characterized in that: The supply and marketing mechanism (2) further comprises a fixing plate (24), the position of the fixing plate (24) being fixed; A lifting cylinder, the lifting cylinder being fixedly connected to the fixing plate (24) to drive the pin-out plate (21) to slide up and down; A sliding seat (25), the sliding seat (25) is connected to the lifting cylinder, and the pin-out plate (21) is connected to the bottom of the sliding seat (25); A guide column (251), wherein the guide column (251) is fixedly connected to the connecting seat (26) and penetrates the fixing plate (24) along the sliding direction of the connecting seat (26); and a linear bearing (241), wherein the linear bearing (241) is fixedly connected to the fixing plate (24) and sleeved outside the guide column (251).

6. A double-station pin automatic feeding device according to claim 5, characterized in that: The bottom of the sliding seat (25) is fixedly connected to a connecting seat (26); the bottom of the connecting seat (26) is provided with a connecting groove (261) penetrating the connecting seat (26) in a horizontal direction; a connecting head (27) fixedly connected to the pin outlet plate (21) is provided in the connecting groove (261); the connecting head (27) can be embedded in the connecting groove (261) in a horizontal direction and matched with the connecting groove (261); the cross-sections of the connecting groove (261) and the connecting head (27) are arranged in a convex shape, and the narrow side is located at the bottom of the connecting head (27).

7. The double-station pin automatic feeding device according to claim 1 is characterized in that: It also includes a rotating plate (5), which is arranged horizontally and rotates around the rotation axes of the two feeding mechanisms (3), and the two feeding mechanisms (3) are connected to the rotating plate (5); and a fixed seat (6), wherein the fixed seat (6) is arranged above the rotating plate (5), the rotating plate (5) is rotatably connected to the fixed seat (6), and the fixed seat (6) drives the feeding mechanism (3) to contact and disengage with the workpiece by moving up and down.

8. The double-station pin automatic feeding device according to claim 7 is characterized in that: The top of the rotating plate (5) is fixedly connected with a rotating shaft (51), and the two feeding mechanisms (3) rotate around the axis of the rotating shaft (51), and the rotating shaft (51) is rotatably connected to the fixed seat (6); An outer gear ring (52) coaxial with the rotating shaft (51) is fixedly connected to the outside of the rotating shaft (51); a rack (53) sliding in a horizontal direction and cooperating with the outer gear ring (52) is arranged on one side of the rotating shaft (51); the rack (53) is slidably connected to the bottom of the fixed seat (6); and a cylinder driving the rack (53) to slide is arranged at the bottom of the fixed seat (6).

9. The double-station pin automatic feeding device according to claim 7, characterized in that: The feeding tray (31) is connected to the bottom of the rotating plate (5), and a clearance hole is provided on the rotating plate (5) at a position corresponding to the feeding tray (31), which vertically penetrates the rotating plate (5), so that the supply and pin mechanism (2) can pass through the clearance hole and contact the feeding tray (31) to realize the transfer of the positioning pin to the feeding tray (31).

10. The double-station pin automatic feeding device according to claim 9, characterized in that: Two connecting blocks (33) are fixedly connected to the two sides of the top of the feeding tray (31); a mounting groove (331) is provided on a side of the connecting block (33) close to the rotating plate (5); the mounting groove (331) penetrates the connecting block (33) along the length direction of the rotating plate (5); the two sides of the rotating plate (5) are respectively embedded in the two mounting grooves (331); and a pin shaft (332) penetrating the connecting block (33) and abutting against the rotating plate (5) is provided on the side of the two connecting blocks (33) facing away from each other.

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