Rotating arm structure

Abstract

The rotating arm structure comprises a track support, a driving mechanism, a first connecting rod and a first rotating rod, the driving mechanism comprises a driving rod which is horizontally arranged and can move in a telescopic mode, the driving rod is connected with a sliding block, and the sliding block is movably installed on the track support. The first connecting rod comprises a first connecting rod first end and a first connecting rod second end which are opposite, the first connecting rod first end is connected with the sliding block, and the first connecting rod second end is connected with the first rotating rod; the first rotating rod is rotatably and vertically arranged and comprises a first rotating rod first end located on the upper portion and a first rotating rod second end located on the lower portion, the first rotating rod first end is connected with the first connecting rod, and a first arm lock is connected to the first rotating rod second end. Thus, the sliding block slides under the action of the driving mechanism, then the first connecting rod is driven to be in linkage, the first rotating rod is driven to rotate, then the first arm lock is driven to rotate, and opening or closing is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automatic processing production and manufacturing, more particularly to a rotating arm structure. BACKGROUND

[0002] On some production or processing lines of automatic production, a carrying support is usually installed on an overhead rail, the carrying support can move along the XY axis under the drive of external force, the carrying support fixes the product (such as a battery plate) to be carried after reaching the carrying site, and then continues to move along the overhead rail to deliver the product to the target position.

[0003] In the prior art, an arm lock is arranged below the carrying support, the arm lock can be rotated to the bottom of the product to fix the product or rotated to be parallel to the product to release the fixation of the product under the action of an external driving mechanism; usually, one driving mechanism is arranged for one arm lock, because at least two to four driving mechanisms are needed to drive two to four arm locks for the relative two sides of the product; such arrangement usually makes the installation complex, occupies space, has high cost and is difficult to maintain, and the relative independence of the driving mechanisms also makes the locking or unlocking actions of the arm locks asynchronous. SUMMARY

[0004] Therefore, the utility model provides a rotating arm structure, which at least solves one or more of the above problems.

[0005] The rotating arm structure according to one embodiment of the utility model comprises:

[0006] A rail support is fixedly arranged.

[0007] A driving mechanism comprises a horizontally arranged telescopic driving rod, the driving rod is connected with a sliding block, and the sliding block is movably installed on the rail support.

[0008] A first connecting rod comprises opposite first connecting rod first and second ends, the first connecting rod first end is connected with the sliding block, and the first connecting rod second end is connected with a first rotating rod.

[0009] The first rotating rod is vertically arranged and rotatable, comprises a first rotating rod first end located at the upper portion and a first rotating rod second end located at the lower portion, the first rotating rod first end is connected with the first connecting rod, and the first rotating rod second end is connected with a first arm lock.

[0010] Further, the driving mechanism is a pneumatic cylinder.

[0011] Further, the first connecting rod is a crank connecting rod.

[0012] Further, a sliding block limiting piece is arranged on the track support away from the driving rod. The sliding block limiting piece limits the movement stroke of the sliding block, and further controls the rotation angle of the rotating rod and the rotation amplitude of the first arm lock.

[0013] Further, a first position sensing assembly is further included, which is connected with the first rotating rod and is adapted to detect the position state of the first arm lock. The first position sensing assembly can detect the state of the first arm lock in advance before controlling the sliding block to run, and the running direction of the sliding block is controlled according to the state of the first arm lock.

[0014] Further, the first position sensing assembly includes a first extension rod connected with the first rotating rod, and a first sensing piece and a second sensing piece, the first extension rod is arranged to approach the first sensing piece or the second sensing piece with the rotation of the first rotating rod. Based on this structure, the first sensing piece and the second sensing piece are respectively in the position of opening or closing the first arm lock, so as to judge the current state of the first arm lock.

[0015] Further, the rotating arm structure further includes:

[0016] A second connecting rod, which includes opposite first and second ends of the second connecting rod, the first end of the second connecting rod is connected with the sliding block, and the second end of the second connecting rod is connected with a second rotating rod;

[0017] A second rotating rod, which is vertically arranged and rotatable, includes a first end of the second rotating rod located above and a second end of the second rotating rod located below, the first end of the second rotating rod is connected with the second connecting rod, and the second end of the second rotating rod is connected with a second arm lock.

[0018] Through the second connecting rod, the second rotating rod and the second arm lock, the first arm lock is cooperated to realize more stable fixing effect for the product.

[0019] Further, the rotating arm structure further includes a second position sensing assembly, which is connected with the second rotating rod and is adapted to detect the position state of the second arm lock. The second position sensing assembly can detect the state of the second arm lock in advance before controlling the sliding block to run, and the running direction of the sliding block is controlled according to the state of the second arm lock.

[0020] Further, the second position sensing assembly comprises a second extension rod connected with the second rotating rod, and a third sensing element and a fourth sensing element, the second extension rod is arranged to approach the third sensing element or the fourth sensing element along with the rotation of the second rotating rod. Based on the structure, the third sensing element and the fourth sensing element are respectively in the position of opening or closing of the second arm lock, so as to determine the current state of the second arm lock.

[0021] Further, the rotating arm structure is installed on a carrying support for carrying products, and / or two or more rotating arm structures are installed on the carrying support. Through the embodiment, the carrying of the products can be realized. When two or more rotating arm structures are installed, the balance of the fixing force is realized.

[0022] It can be seen that, according to the rotating arm structure of the embodiment of the present application, one track support is arranged, the track support is provided with a sliding block, the sliding block is connected with the driving structure and can slide along the track support under the driving of the driving mechanism, the sliding block is further connected with a first connecting rod, the first connecting rod is connected with a first rotating rod, the lower side of the first rotating rod is provided with a first arm lock, therefore, the sliding block slides under the action of the driving mechanism, and then drives the first connecting rod to act, the action of the first connecting rod drives the first rotating rod to rotate, the rotation of the first rotating rod further drives the first arm lock to rotate, so as to realize the opening or closing. BRIEF DESCRIPTION OF DRAWINGS

[0023] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings, so that the above and other features and advantages of the present application can be more clearly understood by those skilled in the art. In the drawings:

[0024] Figure 1 Fig. 1 shows a schematic diagram of the opening state of the rotating arm structure according to an embodiment of the present application;

[0025] Figure 2 Fig. 2 shows a schematic diagram of the closing state of the rotating arm structure according to an embodiment of the present application;

[0026] Figure 3 Fig. 3 shows a schematic diagram of the structure of the rotating arm structure installed on a carrying support according to another embodiment of the present application;

[0027] In the drawings, the reference signs are as follows:

[0028] 1 track support 2 driving mechanism 11 first connecting rod

[0029] 20 sliding block 21 first rotating rod 31 first arm lock

[0030] 40 sliding block limiting piece 51 first extension rod 53 first sensing element

[0031] 55 second sensing member 62 second connecting rod 72 second rotating rod

[0032] 82 second arm lock 92 second extending rod 94 third sensing member

[0033] 96 fourth sensing member 100 carrying support 200 product DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following uses the embodiment to the utility model to explain in further detail.

[0035] Figure 1 The opening state schematic diagram of the rotating arm structure according to one embodiment of the utility model is shown; Figure 2 It is the closing state schematic diagram of the rotating arm structure according to one embodiment of the utility model;

[0036] As shown in Figure 1 And Figure 2 The rotating arm structure is provided with track support 1, drive mechanism 2, first connecting rod 11 and first rotating rod 21. Track support 1 is fixedly arranged, drive mechanism 2 includes horizontally arranged telescopic movement drive rod, drive rod is connected with a sliding block 20, sliding block 20 is movably installed on track support 1;First connecting rod 11 includes opposite first connecting rod first end and first connecting rod second end, first connecting rod first end is connected with sliding block, and first connecting rod second end is connected with first rotating rod 21;First rotating rod 21 is vertically rotatably arranged, including first rotating rod first end located at the top and first rotating rod second end located at the bottom, first rotating rod first end is connected with first connecting rod 11, and first arm lock 31 is connected on first rotating rod second end.

[0037] Specifically, track support 1 can be connected to external carrying support 100 by bolt etc. connecting piece. Drive mechanism 2 is installed on external carrying support 100 through a fixed base, and the movable end of its drive rod is arranged to be parallel to track support 1 telescopic;First connecting rod first end is connected with sliding block 20 through fixing piece, and first connecting rod second end is sheet-shaped structure, and an opening is formed in the end portion, so as to be arranged on the outer periphery of first rotating rod 21 and realize coaxial rotation with first rotating shaft. The bottom of first rotating rod 21 is provided with first arm lock 31, and coaxial connecting structure is used between first arm lock 31 and first rotating rod 21 to realize that the rotation of first rotating rod 21 can drive the horizontal rotation of first arm lock 31. The structure of coaxial rotation connection is well known to those skilled in the art, which is not expanded here.

[0038] Preferably, the first connecting rod 11 is a crank connecting rod. When the first end of the first connecting rod slides along the track bracket 1, the second end of the first connecting rod rotates horizontally, thereby driving the first rotating rod 21 to rotate.

[0039] Preferably, the driving mechanism 2 is, for example, a cylinder.

[0040] The track bracket 1 is provided with a sliding block limiting piece 40 away from the driving rod. The sliding block limiting piece 40 can be fixed on the external carrying bracket 100 by a fixing piece, and the stroke between the position of the sliding block before the driving rod is unfolded and the position of the first extending rod 51 when the first connecting rod 11 rotates to drive the first rotating rod 21 to rotate 90 degrees corresponds.

[0041] Further, the rotating arm structure further comprises a first position sensing assembly adapted to detect the position state of the first arm lock 31. By providing the first position sensing assembly, the position state of the first arm lock 31 can be detected, so that it can be known whether the first arm lock 31 has been locked before the driving sliding block moves, thereby avoiding damage to the mechanical structure caused by over-limit travel operation. The first position sensing assembly can be, for example, a laser sensor, an electromagnetic sensor, or a visual sensor, etc.

[0042] Based on the above embodiment, in one implementation, the first position sensing assembly comprises a first extending rod 51 connected with the first rotating rod 21 and a first sensing piece 53 and a second sensing piece 55 representing two different positions of the first arm lock 31, and the first extending rod 51 is arranged to approach the first sensing piece 53 or the second sensing piece 55 as the first rotating rod 21 rotates.

[0043] Specifically, in this embodiment, a horizontal fixed end plate is provided, which can be mounted on the external carrying bracket 100, and the two ends of the fixed end plate are respectively provided with a slot hole, the first sensing piece 53 and the second sensing piece 55 are respectively arranged in the slot hole and fixed (for example, fixed to the carrying bracket 100), and the first extending rod 51 is coaxially and horizontally arranged with the first rotating rod 21, and the end of the first extending rod 51 approaches the first sensing piece 53 or the second sensing piece 55 as the first rotating rod 21 rotates. The position of the first sensing piece 53 corresponds to the position reached by the first extending rod 51 when the first arm lock 31 is in the open state, and the position of the second sensing piece 55 corresponds to the position reached by the first extending rod 51 when the first arm lock 31 is in the locked state.

[0044] Further, the first position sensing assembly is connected with the PLC.

[0045] Next, the above-mentioned rotating arm structure will be described in detail in combination with the following embodiments. Figure 1 and Figure 2The working principle of the rotating arm structure is briefly introduced as follows: before working, the first position sensing assembly detects the state of the first arm lock 31 and sends a signal to the PLC connected therewith, and the control device sends a control signal based on the result of the PLC; for example, the first arm lock 31 is in an open state at this time, and the control device controls the driving mechanism 2 to start working at this time, the driving rod starts to extend, the sliding block slides on the track support 1, and thus the first connecting rod 11 also moves, and the first rotating rod 21 is driven to rotate, and thus the first arm lock 31 at the bottom thereof is rotated by 90 degrees to the state in the drawing Figure 2 , so as to realize the locking state.

[0046] Further, the rotating arm structure further comprises a second connecting rod 62 and a second rotating rod 72; the second connecting rod 62 comprises opposite first and second ends of the second connecting rod, the first end of the second connecting rod is connected with the sliding block, and the second end of the second connecting rod is connected with the second rotating rod 72; the second rotating rod 72 is vertically arranged and rotatable, comprises a first end of the second rotating rod located at the upper side and a second end of the second rotating rod located at the lower side, the first end of the second rotating rod is connected with the second connecting rod 62 to rotate with the second connecting rod 62, and the second end of the second rotating rod is connected with a second arm lock 82.

[0047] Based on the above embodiment, the rotating arm structure further comprises a second position sensing assembly, which is adapted to detect the position state of the second arm lock 82.

[0048] Further, the second position sensing assembly comprises a second extension rod 92 connected with the second rotating rod 72, a third sensing part 94 and a fourth sensing part 96; the third sensing part 94 and the fourth sensing part 96 represent two different positions of the second arm lock 82, and the second extension rod 92 is arranged to approach the third sensing part 94 or the fourth sensing part 96 with the rotation of the second rotating rod 72.

[0049] The mechanism, working principle of the second connecting rod 62, the second rotating rod 72 and the second arm lock 82 correspond to those of the first connecting rod 11, the first rotating rod 21 and the first arm lock 31, and thus are not repeatedly introduced herein.

[0050] Figure 3 A structural schematic view of the rotating arm structure according to another embodiment of the utility model mounted on a carrying support;

[0051] As shown in Figure 3 , the rotating arm structure is applicable to a carrying support 100 for carrying products 200, and / or two or more rotating arm structures are mounted on the carrying support 100. Through the application, the carrying of the products 200 is realized by a more simple structure, the occupied space is less, the cost is lower, and the maintenance is more favorable.

[0052] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rotating arm structure, characterized by, The utility model relates to a kind of rotating arm structures, including: Track bracket (1), the track bracket (1) is fixedly arranged; Driving mechanism (2), the driving mechanism (2) includes horizontally arranged telescopic movement driving rod, the driving rod is connected with slider (20), the slider (20) is movably installed on the track bracket (1); First connecting rod (11), the first connecting rod (11) includes opposite first connecting rod first end and first connecting rod second end, the first connecting rod first end is connected with the slider (20), and the first connecting rod second end is connected with first rotary rod (21); First rotary rod (21), the first rotary rod (21) is vertically arranged rotatably, including first rotary rod first end located above and first rotary rod second end located below, the first rotary rod first end is connected with the first connecting rod (11), and the first rotary rod second end is connected with first arm lock (31) on.

2. The rotating arm structure according to claim 1, wherein The driving mechanism (2) is cylinder.

3. The rotating arm structure according to claim 1, wherein The first connecting rod (11) is crank connecting rod.

4. The rotating arm structure of claim 1, wherein The track bracket (1) is provided with slider limiting piece (40) on one end away from the driving rod.

5. The rotating arm structure of claim 1, wherein Further comprising first position sensing assembly, the first position sensing assembly is connected with the first rotary rod (21), and is suitable for detecting the position state of first arm lock (31).

6. The rotating arm structure according to claim 5, wherein The first position sensing assembly includes first extension rod (51) connected with the first rotary rod (21) and first sensing piece (53), second sensing piece (55), the first extension rod (51) is set to approach the first sensing piece (53) or the second sensing piece (55) with the rotation of the first rotary rod (21).

7. The rotating arm structure according to any one of claims 1 to 6, wherein The rotating arm structure further includes: Second connecting rod (62), the second connecting rod (62) includes opposite second connecting rod first end and second connecting rod second end, the second connecting rod first end is connected with the slider, and the second connecting rod second end is connected with second rotary rod (72); Second rotary rod (72), the second rotary rod (72) is vertically arranged rotatably, including second rotary rod first end located above and second rotary rod second end located below, the second rotary rod first end is connected with the second connecting rod (62), and the second rotary rod second end is connected with second arm lock (82) on.

8. The rotating arm structure according to claim 7, wherein The rotating arm structure further includes second position sensing assembly, the second position sensing assembly is connected with the second rotary rod (72), and is suitable for detecting the position state of second arm lock (82).

9. The rotating arm structure according to claim 8, wherein The second position sensing assembly includes second extension rod (92) connected with the second rotary rod (72) and third sensing piece (94), fourth sensing piece (96), the second extension rod (92) is set to approach the third sensing piece (94) or the fourth sensing piece (96) with the rotation of the second rotary rod (72).

10. The rotating arm structure of claim 1, wherein The rotating arm structure is installed on the carrying bracket (100) of carrying product (200), and / or, the carrying bracket (100) is installed with two or more than two rotating arm structures.

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