Conveyor shared by cylinder sleeves of multiple specifications

Abstract

The utility model belongs to the technical field of cylinder sleeve transportation, and particularly relates to a conveyor shared by cylinder sleeves of multiple specifications. Comprising a rack and a conveying line arranged on the rack, and further comprises a centering limiting mechanism which is arranged on the rack and used for guiding and centering the cylinder sleeve conveyed by the conveying line, and the centering limiting mechanism comprises a lead screw arranged on the rack in a penetrating mode and a guide rod arranged on the side edge of the lead screw; an adjusting plate set is arranged on the lead screw and the guide rod in a penetrating mode and comprises an X-shaped transmission strip set, a driving plate, a fixing plate and a driven plate, the driving plate, the fixing plate and the driven plate are sequentially arranged, the driving plate is in threaded connection with the lead screw and is in sliding connection with the guide rod, the fixing plate is fixedly connected with the guide rod, and the driven plate is in sliding connection with the guide rod. The driving plate and the driven plate are linked through an X-shaped transmission strip group; guide strips are fixedly arranged on the lower portion of the driving plate and the lower portion of the driven plate, the two guide strips are arranged in the conveying direction of the conveying line, and a channel for conveying the cylinder sleeve is formed between the two guide strips. The guide device can quickly guide and center the cylinder sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder sleeve transportation, in particular to a common conveyor for cylinder sleeves of multiple specifications. Background Art

[0002] Cylinder liner, short for cylinder liner, is a cylindrical part that is placed in the cylinder hole of the engine body. Different engine bodies have different specifications and the specifications of the cylinder liner are also different. In the automatic conveying of cylinder liners, it is often necessary to convey cylinder liners of different batches and specifications, and then a robotic arm (such as a multi-axis robot) grabs the cylinder liners at the discharge end and places them in the next process. Therefore, how to achieve different batches of cylinder liners to share the same conveyor line, and how to ensure the precise positioning of the cylinder liners at the discharge end is very critical. For example, the Chinese invention patent with the prior art publication number CN109335602B discloses a conveying device for engine cylinder liners, wherein two limit brackets are installed on the frame, and each limit bracket is installed with an adjusting screw. The two adjusting screws are respectively located at the left end of the guide plate and the right side of the mounting bracket. The adjusting screw passes through the guide plate, and each of the two sides of the guide plate is provided with a limit nut that cooperates with the adjusting screw. The prior art still has the following problems:

[0003] 1. When it is necessary to switch to conveying a cylinder liner of another specification, it is necessary to adjust the position of the limit nut on each guide plate to adjust the spacing between the guide plates to adapt to cylinder liners of different specifications. The operation is cumbersome and time-consuming, and it is impossible to quickly guide and center the cylinder liner.

[0004] 2. Since the guide plate is set along the conveyor line for a long time, multiple workers need to cooperate and adjust the position of the guide plate synchronously. Otherwise, it is easy to cause the guide plate to deform and bend, reducing the service life of the guide plate.

[0005] 3. The robot at the discharge end of the existing conveyor line is prone to failure in picking up the cylinder liners. According to the inventor's analysis, the main reason is that cylinder liners of different batches share the same conveyor line. When the cylinder liners are conveyed to the output end, they are not re-positioned, which makes it easy for the cylinder liners to be positioned inaccurately, thus causing the robot to fail to pick up the cylinder liners. Utility Model Content

[0006] The utility model aims to provide a common conveyor for cylinder liners of various specifications, so as to solve the problem that the conveyor in the prior art cannot quickly guide and center the cylinder liners.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] The guide rail is provided with a plurality of guide rails, and the guide rail is provided with a plurality of guide rails, and the guide rail is provided with a plurality of guide rails. The guide rail is provided with a plurality of guide rails, and the guide rail is provided with a plurality of guide rails.

[0009] The beneficial effects of this solution are:

[0010] 1. Compared with the existing technology that moves the guide plate by adjusting the limit nuts on both sides of the guide plate, this solution only needs to rotate the screw clockwise or counterclockwise to make the active plate move on the screw and the guide rod, so that the X-shaped transmission bar group is compressed or expanded, and the active plate and the driven plate can achieve opposite or relative movement, and further realize the adjustment of the guide bar spacing. It can quickly guide and center the cylinder sleeve and is easy to operate.

[0011] 2. An X-shaped transmission bar group is used to link the active plate and the driven plate. Compared with transmission mechanisms such as double-headed cylinders, the pushing process is more stable and the structure is simpler.

[0012] 3. The guide strips arranged along the conveying direction of the conveyor line can simultaneously limit the centering of multiple cylinder sleeves on the conveyor line, thereby improving the centering efficiency.

[0013] Preferably, as an improvement, the X-shaped transmission bar group includes two transmission bars that are cross-arranged and hinged at the middle intersection, wherein the middle intersection is penetrated by a pin, and the pin is fixed on the fixed plate; a sliding member is provided at the end of the transmission bar, and both the active plate and the driven plate are provided with a sliding groove for the sliding member to slide.

[0014] The beneficial effects of this solution are:

[0015] 1. The pin is fixed on the fixed plate to make the cross sliding of the two transmission bars more stable.

[0016] 2. The setting of the sliding part makes the transmission of the X-shaped transmission bar group to the active plate and the driven plate more stable, and improves the quality of the centering limit.

[0017] Preferably, as an improvement, both the active plate and the driven plate are provided with extension plates extending to both sides, and the extension plates are fixedly connected to the guide bars.

[0018] The beneficial effect of this solution is that: by adopting the above technical solution, the extension plate is directly connected to the guide bar, so that the main parts of the active plate and the driven plate are not in direct contact with the guide bar, which can play the role of reinforcing ribs and improve the durability and strength of the active plate and the driven plate.

[0019] Preferably, as an improvement, there are multiple centering limit mechanisms, and the multiple centering limit mechanisms are arranged in rows on the conveyor line; each row of centering limit mechanisms includes multiple adjustment plate groups, and the multiple adjustment plate groups share a screw rod and a guide rod.

[0020] The beneficial effect of this solution is that: by adopting the above technical solution, by rotating a screw rod, the position of the active plates of multiple centering limit mechanisms on the screw rod can be adjusted at the same time, and then the distance between the active plate and the driven plate can be adjusted, and the entire row of cylinder sleeves can be centered at the same time without having to rotate the screw rods of different centering limit mechanisms separately, thereby further improving the efficiency of the centering limit.

[0021] Preferably, as an improvement, adjacent screw rods are connected by a sprocket chain.

[0022] The beneficial effects of this solution are:

[0023] 1. By adopting the above technical solution, multiple rows of centering limit mechanisms are set at different positions of the conveyor line, which can make the force applied to the guide bar more uniform during centering, making the guide bar less likely to be damaged and increasing the service life of the guide bar.

[0024] 2. In addition, by rotating the screw rod of any row of limit mechanisms, the screw rods of other rows of centering limit mechanisms can be rotated synchronously, so as to adjust the distance between all active plates and driven plates on the conveyor line, further improving the efficiency of centering and limiting the cylinder sleeve.

[0025] Preferably, as an improvement, it further comprises a centering mechanism for centering the cylinder sleeve arranged at the discharge end of the conveyor line, the centering mechanism comprising a centering clamping assembly and a driving member for driving the centering clamping assembly to move.

[0026] The beneficial effect of this solution is that: by adopting the above technical solution, the cylinder sleeve transmitted to the discharge end will be clamped by the centering clamping assembly and further positioned to achieve the effect of precise centering, so that the robotic arm can grasp the cylinder sleeve more accurately.

[0027] Preferably, as an improvement, the centering clamping assembly includes two sets of centering pieces, the centering pieces include active centering arms and passive centering arms, and grooves for clamping and centering the cylinder sleeve are provided on opposite sides of the active centering arms and the passive centering arms of the centering pieces.

[0028] The beneficial effect of this solution is that: by adopting the above technical solution, the active centering arm and the driven centering arm of the centering member are driven to move toward each other, so that the cylinder sleeve can be clamped by the grooves on the active centering arm and the driven centering arm, thereby making the centering more accurate.

[0029] Preferably, as an improvement, the active centering arms of one group of centering pieces of the centering clamping assembly are connected to the driven centering arms of the other group of centering pieces via a connecting rod.

[0030] The beneficial effect of this solution is that: by adopting the above technical solution, the movement of the active centering arm will drive the movement of the driven centering arm, which can save more energy and has a simpler structure compared to driving the active centering arm and the driven centering arm separately.

[0031] Preferably, as an improvement, the driving member is a double-headed driving member, which is respectively connected to the connecting rods of the two sets of centering members.

[0032] The beneficial effects of this solution are:

[0033] 1. The above technical solution can simultaneously drive the two connecting rods to move, thereby driving the active centering arm and the driven centering arm to move, which can make the centering of the cylinder liner faster and more efficient.

[0034] 2. One driving component can drive two sets of centering clamping components, which saves energy and has a simpler structure.

[0035] Preferably, as an improvement, the conveyor line includes a conveyor chain, on which push plates are fixedly arranged at even intervals, and the space formed between the front and rear adjacent push plates is used for placing the cylinder liner.

[0036] The beneficial effect of this solution is that: by adopting the above technical solution, the cylinder liners can be separated to avoid collision and wear during transportation, thereby improving transportation quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a schematic diagram of the overall structure of a shared conveyor for cylinder sleeves of multiple specifications in Example 1 of the utility model.

[0038] Figure 2 This is a top view of a multi-specification cylinder sleeve common conveyor when cylinder sleeves are placed on it in Example 1 of the utility model.

[0039] Figure 3 This is a schematic diagram of the combined structure of multiple centering and limiting mechanisms of a common conveyor for cylinder sleeves of multiple specifications in Example 1 of the utility model.

[0040] Figure 4 for Figure 3 An enlarged schematic diagram of point A.

[0041] Figure 5This is a schematic structural diagram of the conveyor chain of a conveyor sharing a common conveyor for cylinder sleeves of multiple specifications in Example 1 of the utility model.

[0042] Figure 6 This is a structural schematic diagram of the centering mechanism of the multi-specification cylinder sleeve common conveyor in Example 2 of the present utility model. DETAILED DESCRIPTION

[0043] The following is further described in detail through specific implementation methods:

[0044] The figure marks in the drawings of the specification include: 1. frame; 2. conveyor line; 21. conveyor chain; 22. push plate; 3. centering limit mechanism; 31. screw; 32. guide rod; 33. active plate; 34. driven plate; 35. guide bar; 36. fixed plate; 37. X-shaped transmission bar group; 371. sliding member; 38. slide groove; 39. extension plate; 310. sprocket; 311. chain; 4. centering mechanism; 41. centering member; 411. active centering arm; 412. driven centering arm; 413. connecting rod; 42. driving member.

[0045] like Figures 1 to 6 As shown:

[0046] Example 1

[0047] This embodiment provides a multi-specification cylinder sleeve shared conveyor, such as Figure 1 As shown, it includes a frame 1, a conveyor line 2 provided on the frame 1 for placing and conveying the cylinder liner, and a centering and limiting mechanism 3 provided on the frame 1 for guiding and centering the cylinder liner conveyed by the conveyor line 2. Figure 5 As shown, the conveyor line includes a conveyor chain 21, on which push plates 22 are evenly spaced. The push plates 22 are L-shaped plates fixed to the conveyor chain 21 by bolts. Specifically, a plurality of chain links are evenly arranged on the conveyor chain 21, and an inverted L-shaped connecting plate is fixed to one side of the adjacent outer chain link by bolts or welding, as shown in FIG. Figure 5 As shown, the connecting plate extends outward toward one side of the conveyor chain 21, and a push plate 22 is bolted to the extended portion of the connecting plate. The space between adjacent push plates 22 is used to accommodate the cylinder liners. The push plates 22 separate the cylinder liners, preventing collision and wear during transportation, thereby improving transportation quality.

[0048] like Figure 2 As shown, the centering limit mechanism 3 in this embodiment is divided into three groups, which are respectively arranged at the feeding end, the middle part and the discharging end of the conveyor line 2. The centering limit mechanism 3 in the middle part of the conveyor line 2 is used as an example for explanation. Figure 3 and Figure 4As shown, the centering limit mechanism 3 includes a screw rod 31 that passes through the frame 1 and a guide rod 32 that is arranged on both sides of the screw rod 31. The screw rod 31 is rotatably connected between the mounting plates on both sides of the frame 1, and the two ends of the guide rod 32 are respectively fixed on the mounting plates on both sides.

[0049] An adjustment plate group is provided on the screw rod 31 and the two guide rods 32. The adjustment plate group includes an X-shaped transmission bar group 37 and an active plate 33, a fixed plate 36 and a driven plate 34 provided in sequence. Rod holes and guide holes are provided on the active plate 33, the fixed plate 36 and the driven plate 34 respectively, and the rod hole is located between the two guide holes, so that the guide rods are evenly distributed on both sides of the screw rod for stable guidance. Specifically, a nut is fixed in the rod hole in the center of the active plate 33, and the active plate 33 is threadedly connected to the screw rod 31 through the nut; and the active plate 33 is slidably connected to the guide rod 32. The fixed plate 36 is fixedly connected to the guide rod 32; and the rod hole in the middle of the fixed plate 36 is for the screw rod 31 to pass through, and the two do not contact each other. The driven plate 34 is slidably connected to the guide rod 32; the rod hole in the middle of the driven plate 34 is for the screw rod 31 to pass through, and the two do not contact each other. An active plate 33, a fixed plate 36, and a driven plate 34 form an adjustment plate group. Multiple adjustment plate groups can be set on the same screw rod 31. Figure 4 The example shown here uses two adjustment plate assemblies arranged in the same row. The active plate 33 and the passive plate 34 are linked by an X-shaped transmission bar assembly 37, enabling the active and passive plates 33 and 34 to move toward or away from each other. Guide bars 35 are fixed to the lower portions of each active and passive plate 33 and 34, running along the conveying direction of the conveyor line 2. A channel for conveying the cylinder sleeves is formed between the two guide bars 35.

[0050] Specifically, the X-shaped transmission bar assembly 37 comprises two cross-arranged transmission bars hingedly connected at their central intersection by a pin. The pin at the central intersection is fixedly mounted on the fixed plate 36. The ends of the transmission bars extend downward to form a vertical axis, at the lower end of which a sliding member 371 is disposed. Both the active plate 33 and the driven plate 34 are provided with a chute 38 for the sliding member 371 to slide. To reduce wear caused by contact between the sliding member 371 and the chute 38 and to ensure smoother sliding of the sliding member 371 within the chute 38, in this embodiment, the sliding member 371 is rotationally connected to the end of the X-shaped transmission bar assembly 37. Specifically, two methods can be used: one in which the sliding member 371 is a ball bearing that rolls within the chute 38; the other in which the sliding member 371 is a horizontally disposed roller that slides within the chute 38. Furthermore, in order to prevent the main parts of the active plate 33 and the driven plate 34 from directly contacting the guide bar 35 and to improve the durability and strength of the active plate 33 and the driven plate 34, in this embodiment, an extension plate 39 extending to both sides is provided on the active plate 33 and the driven plate 34. The extension plate 39 is specifically L-shaped, with one side connected to the active plate 33 / driven plate 34 and the other side connected to the guide bar 35, and the guide bar 35 is located on the lower side of the active plate 33 / driven plate 34.

[0051] The portion of the screw rod 31 of each group of centering and limiting mechanisms 3 extending out of the mounting plate is fixed with a sprocket 310, and the sprocket 310 of the adjacent group of centering and limiting mechanisms 3 is meshed with a chain 311. Figure 3 It can be seen that two sprockets 310 are fixedly provided on the part of the screw rod 31 of the centering limit mechanism 3 arranged in the middle of the conveyor line 2 that extends out of the mounting plate. One sprocket 310 is connected to the sprocket 310 on the screw rod 31 of the centering limit mechanism 3 at the feed end through a chain 311, and the other sprocket 310 is connected to the sprocket 310 on the screw rod 31 of the centering limit mechanism 3 at the discharge end through a chain 311.

[0052] The specific operating principle is as follows: Clockwise or counterclockwise rotation of any screw 31 causes the sprocket 310 fixed thereto to rotate, driving the meshed chain 311 to move, causing the sprockets 310 on adjacent centering and limiting mechanisms 3 to rotate, resulting in synchronous rotation of the screws 31 of all three centering and limiting mechanisms 3. The rotation of the screw 31 drives the active plate 33, which in turn drives the two sliding members 371 of the X-shaped transmission bar group 37 within the guide slot 38 of the active plate 33 to move relative to or toward each other. This also drives the two sliding members 371 of the X-shaped transmission bar group 37 within the guide slot 38 of the driven plate 33 to move relative to or toward each other, causing the extension plates 39 of the active and driven plates 33 and 34 to move relative to or toward each other. This in turn drives the guide bars 35 on both sides of the cylinder sleeve to move relative to or toward each other, further adjusting the spacing between the guide bars 35. This allows simultaneous adjustment of all centering and limiting mechanisms 3 on the conveyor line 2, maximizing centering and limiting efficiency.

[0053] Example 2

[0054] The improvement of this embodiment compared to the first embodiment is that Figure 1 and Figure 6 As shown, a centering mechanism 4 for centering the cylinder liner is also provided at the discharge end of the conveyor line 2. The centering mechanism 4 includes a centering clamping assembly and a driving member 42 for driving the centering clamping assembly. With this technical solution, the cylinder liner delivered to the discharge end is clamped by the centering clamping assembly and further positioned, achieving a precise centering effect, allowing the robotic arm to more accurately grasp the cylinder liner.

[0055] Specifically, the centering clamping assembly includes two sets of centering members 41, each of which includes an active centering arm 411 and a passive centering arm 412. The active centering arm 411 and the passive centering arm 412 of the centering members 41 are provided with grooves for clamping and centering the cylinder sleeve, with the recessed portions of the grooves facing each other. To improve efficiency, the active centering arm 411 of one set of centering members 41 in this embodiment is connected to the passive centering arm 412 of the other set of centering members 41 by a connecting rod 413. The driving member 42 is a double-headed driving member 42, which is connected to the connecting rods 413 of the two sets of centering members 41. The double-headed driving member 42 can be driven by any of a variety of methods, such as a pneumatic cylinder, an electric cylinder, or an oil cylinder. In this embodiment, the double-headed driving member 42 is a double-headed pneumatic cylinder. Compared with hydraulic and electrical methods, the double-headed cylinder makes it easier to adjust the output force and operating speed, and has a simpler and lighter structure, and is easier to install and maintain. The discharge end of the conveyor line 2 is provided with an infrared sensor, which is arranged on the front side of the centering member 41 and is used to monitor the position of the cylinder sleeve at the end of the discharge end. When the infrared sensor senses that the cylinder sleeve at the end of the discharge end has completely passed through the infrared light emitted by the infrared emitting tube, the controller receives the signal from the infrared sensor and controls the motor of the conveyor line 2 to stop driving the conveyor line 2. The controller is a PLC or a single-chip microcomputer, and in this embodiment, it is a PLC. The controller then controls the double-headed driving member 42 to drive the two connecting rods 413 to move, thereby driving the active centering arm 411 and the driven centering arm 412 to move, so that the active centering arm 411 and the driven centering arm 412 of the centering member 41 move relative to or toward each other, so that the cylinder sleeve is clamped and centered by the active centering arm 411 and the driven centering arm 412, achieving precise positioning of the cylinder sleeve and facilitating subsequent robot removal.

[0056] The above description is merely an embodiment of the present invention, and the commonly known specific technical solutions and / or features of the solution are not described in detail here. It should be noted that for those skilled in the art, without departing from the technical solution of the present invention, several variations and improvements can be made, which should also be considered as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection claimed in this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A conveyor for cylinder liners of various specifications, comprising a frame (1) and a conveyor line (2) arranged on the frame (1) for placing and conveying cylinder liners, characterized in that: The invention also includes a centering limit mechanism (3) arranged on the frame (1) for guiding and centering the cylinder sleeve conveyed by the conveyor line (2), wherein the centering limit mechanism (3) includes a screw rod (31) penetrating the frame (1) and a guide rod (32) arranged on the side of the screw rod (31); an adjustment plate group is passed through the screw rod (31) and the guide rod (32), and the adjustment plate group includes an X-shaped transmission bar group and an active plate (33), a fixed plate (36), and a driven plate (34) arranged in sequence, wherein the active plate (33) and the fixed plate (36) are connected to each other. The screw rod (31) is threadedly connected and slidably connected to the guide rod (32), the fixed plate (36) is fixedly connected to the guide rod (32), the driven plate (34) is slidably connected to the guide rod (32), and the active plate (33) and the driven plate (34) are linked by an X-shaped transmission bar group (37); the lower parts of the active plate (33) and the driven plate (34) are fixedly provided with guide bars (35), and the two guide bars (35) are arranged along the conveying direction of the conveying line (2) and form a channel for conveying the cylinder sleeve between the two guide bars.

2. The multi-specification cylinder sleeve common conveyor according to claim 1 is characterized in that: The X-shaped transmission bar group (37) includes two transmission bars that are cross-arranged and hinged at the middle intersection point, wherein the middle intersection point is penetrated by a pin column, and the pin column is fixedly arranged on the fixed plate (36); a sliding member (371) is arranged at the end of the transmission bar, and a sliding groove for the sliding member (371) to slide is provided on the active plate (33) and the driven plate (34).

3. The multi-specification cylinder sleeve common conveyor according to claim 1 is characterized in that: The active plate (33) and the driven plate (34) are both provided with extension plates (39) extending to both sides, and the extension plates (39) are fixedly connected to the guide bars (35).

4. The multi-specification cylinder sleeve common conveyor according to claim 1, characterized in that: There are multiple centering limit mechanisms (3), and the multiple centering limit mechanisms (3) are arranged in a row on the conveyor line (2); each row of limit mechanisms (3) includes multiple adjustment plate groups, and the multiple adjustment plate groups share a screw rod (31) and a guide rod (32).

5. The multi-specification cylinder sleeve common conveyor according to claim 4, characterized in that: Adjacent screw rods (31) are connected via sprockets (310) and chains (311).

6. The multi-specification cylinder sleeve common conveyor according to claim 1, characterized in that: It also includes a centering mechanism (4) for centering the cylinder sleeve, which is arranged at the discharge end of the conveying line (2). The centering mechanism (4) includes a centering clamping component and a driving member (42) for driving the centering clamping component to move.

7. The multi-specification cylinder sleeve common conveyor according to claim 6, characterized in that: The centering clamping assembly includes two groups of centering pieces (41), the centering pieces (41) include active centering arms (411) and passive centering arms (412), and grooves for clamping and centering the cylinder sleeve are provided on opposite sides of the active centering arms (411) and the passive centering arms (412) of the centering piece (41).

8. The multi-specification cylinder sleeve common conveyor according to claim 7, characterized in that: The active centering arm (411) of one group of centering pieces (41) of the centering clamping assembly is connected to the driven centering arm (412) of the other group of centering pieces (41) via a connecting rod (413).

9. The multi-specification cylinder sleeve common conveyor according to claim 8, characterized in that: The driving member (42) is a double-headed driving member (42) and is respectively connected to the connecting rods (413) of the two sets of centering members (41).

10. The multi-specification cylinder sleeve common conveyor according to claim 1, characterized in that: The conveying line comprises a conveying chain (21), on which push plates (22) are fixedly arranged at even intervals, and the space formed between the front and rear adjacent push plates (22) is used for placing the cylinder sleeve.

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