Spacing changing mechanism

Abstract

The utility model relates to a spacing changing mechanism which comprises a back plate, a moving mechanism mounting plate and a fixed block which are respectively and vertically arranged at two ends of the back plate, two guide shafts which are arranged between the moving mechanism mounting plate and the fixed block in parallel, and a moving mechanism which is vertically arranged on the moving mechanism mounting plate, a first moving block, a second moving block and a third moving block are arranged on the guide shaft in a sliding mode, the output end of the moving mechanism is connected with the first moving block, the moving mechanism is used for driving the first moving block to move along the guide shaft, and the first limiting hook is used for limiting the maximum distance between the first moving block and the second moving block; the second limiting hook is used for limiting the maximum distance between the second moving block and the third moving block, and the third limiting hook is used for limiting the maximum distance between the third moving block and the fixed block. According to the interval changing mechanism, interval switching can be conducted on a plurality of sets of mechanism parts within a certain range, the interval switching precision is high, the structure is simple and compact, and therefore the manufacturing cost is reduced, and the stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, in particular to a spacing conversion mechanism. Background Art

[0002] On a production line, when a group of products needs to be moved from one tray A to another tray B and the distance between the products needs to change, a picking device is required to grab them. Currently available picking devices cannot adjust the distance between products. Utility Model Content

[0003] In view of this, an object of the present invention is to provide a spacing changing mechanism to solve one or more of the above-mentioned problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides a spacing change mechanism, including a back plate, a moving mechanism mounting plate and a fixed block respectively vertically arranged at two ends of the back plate, two guide shafts parallelly arranged between the moving mechanism mounting plate and the fixed block, and a moving mechanism vertically arranged on the moving mechanism mounting plate, the guide shafts are slidably arranged on a first moving block, a second moving block and a third moving block, the output end of the moving mechanism is connected to the first moving block, the moving mechanism is used to drive the first moving block to move along the guide shaft, the first moving block and the second moving block are connected by a first limiting hook, the first limiting hook is used to limit the maximum spacing between the first moving block and the second moving block, the second moving block and the third moving block are connected by a second limiting hook, the second limiting hook is used to limit the maximum spacing between the second moving block and the third moving block, the third moving block and the fixed block are connected by a third limiting hook, and the third limiting hook is used to limit the maximum spacing between the third moving block and the fixed block.

[0005] In some embodiments, a pickup assembly is installed under the first moving block, the second moving block, the third moving block and the fixed block.

[0006] In some embodiments, the first moving block is provided with a first sliding groove, the second moving block is provided with a second sliding groove and a third sliding groove, the third moving block is provided with a fourth sliding groove and a fifth sliding groove, the fixed block is provided with a sixth sliding groove, the positions of the first sliding groove and the second sliding groove are in the same straight line, the positions of the third sliding groove and the fourth sliding groove are in the same straight line, the positions of the fifth sliding groove and the sixth sliding groove are in the same straight line, the first limiting hook is passed through the first sliding groove and the second sliding groove, the second limiting hook is passed through the third sliding groove and the fourth sliding groove, and the third limiting hook is passed through the fifth sliding groove and the sixth sliding groove.

[0007] In some embodiments, the first limiting hook includes a first fixed portion fixed to the second sliding groove and a first limiting protrusion clamped to the first sliding groove, the second limiting hook includes a second fixed portion fixed to the fourth sliding groove and a second limiting protrusion clamped to the third sliding groove, and the third limiting hook includes a third fixed portion fixed to the sixth sliding groove and a third limiting protrusion clamped to the fifth sliding groove.

[0008] In some embodiments, the moving mechanism is a cylinder, which includes a cylinder body and a telescopic rod disposed on the cylinder body, and one end of the telescopic rod away from the cylinder body is connected to the first moving block through a connecting piece.

[0009] In some embodiments, the first moving block, the second moving block and the third moving block are provided with through holes, guide sliding members are installed in the through holes, and the guide shaft is inserted in the guide sliding member and can move in the guide sliding member.

[0010] Beneficial effects:

[0011] The spacing changing mechanism of the utility model is small in size and can be integrally mounted on a mechanism such as a mechanical arm. When a group of products needs to be moved from one tray A to another tray B and the spacing between the products needs to be changed, this mechanism can be used to easily achieve the change.

[0012] The spacing conversion mechanism can switch the spacing of a plurality of assembly components within a certain range, has high switching spacing accuracy, and has a simple and compact structure, thereby reducing manufacturing costs and improving stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0014] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

[0015] like Figure 1As shown, a spacing change mechanism comprises a back plate 8, a moving mechanism mounting plate 1 and a fixed block 9 respectively arranged perpendicularly at two ends of the back plate 8, two guide shafts 2 arranged parallelly between the moving mechanism mounting plate 1 and the fixed block 9, and a moving mechanism 14 arranged perpendicularly to the moving mechanism mounting plate 1, the first moving block 4, the second moving block 5 and the third moving block 7 are slidably arranged on the guide shaft 2, the moving mechanism 14 is a cylinder, the cylinder comprises a cylinder body and a telescopic rod arranged on the cylinder body, the end of the telescopic rod away from the cylinder body is connected to the first moving block 4 through a connecting member 13, the moving mechanism 14 is used to drive the first moving block 4 to move along the guide shaft 2, the first moving block 4 is provided with a first sliding groove, the second moving block 5 is provided with a second sliding groove and a third sliding groove, the third moving block 7 is provided with a fourth sliding groove and a fifth sliding groove, the fixed block 9 is provided with a sixth sliding groove, the positions of the first sliding groove and the second sliding groove are in the same straight line, the positions of the third sliding groove and the fourth sliding groove are in the same straight line, the fifth sliding groove and the sixth sliding groove are in the same straight line, and the third sliding groove and the fourth sliding groove are in the same straight line. The positions of the sliding grooves are in the same straight line, the first limiting hook 12 is penetrated in the first sliding groove and the second sliding groove, the second limiting hook 6 is penetrated in the third sliding groove and the fourth sliding groove, the third limiting 10 is penetrated in the fifth sliding groove and the sixth sliding groove, the first limiting hook 12 includes a first fixing portion fixed to the second sliding groove and a first limiting protrusion clamped to the first sliding groove, the first limiting hook 12 is used to limit the maximum distance between the first moving block 4 and the second moving block 5, the second limiting hook 6 includes a second fixing portion fixed to the fourth sliding groove and a second limiting protrusion clamped to the third sliding groove, the second limiting hook 6 is used to limit the maximum distance between the second moving block 5 and the third moving block 7, the third limiting hook 10 includes a third fixing portion fixed to the sixth sliding groove and a third limiting protrusion clamped to the fifth sliding groove, the third limiting hook 10 is used to limit the maximum distance between the third moving block 7 and the fixed block 9, and a picking assembly 11 is installed below the first moving block 4, the second moving block 5, the third moving block 7 and the fixed block 9.

[0016] Specifically, the first moving block 4 , the second moving block 5 and the third moving block 7 are provided with through holes, in which the guide sliding members 3 are installed, and the guide shaft 2 is inserted in the guide sliding member 3 and can move in the guide sliding member 3 .

[0017] Working principle:

[0018] This device is small in size and can be installed as a whole on a mechanical arm or other mechanism. When a group of products needs to be moved from one tray A to another tray B and the product spacing needs to be changed, this mechanism can be used to easily achieve this. Figure 1When the moving mechanism 14 is extended, it pushes the first moving block 4, the second moving block 5, the third moving block 7 and the fixed block 9 to be close to each other, and the picking assembly 11 is equidistant at this time; when the moving mechanism 14 is retracted, the first moving block 4 is pulled apart by the connecting member 13, and when the first moving block 4 moves to be hooked by the first limiting protrusion of the first limiting hook 12, the second moving block 5 is driven by the first limiting hook 12 to be pulled apart, and so on, until the third moving block 7 is pulled apart, when the first moving block 4 is hooked by the first limiting protrusion of the first limiting hook 12, the second moving block 5 is hooked by the second limiting protrusion of the second limiting hook 6 until the third moving block 7 is hooked by the third limiting protrusion of the third limiting hook 10, the spacing switching is completed, and the picking assembly 11 is also equidistant at this time, but the spacing changes. After the moving mechanism 14 is extended, it can be moved to the tray A by the mechanical arm to pick up the product. After the product is taken out, the moving mechanism 14 is retracted, the product spacing changes, and the mechanical arm can put the product into the tray B.

[0019] The spacing conversion mechanism of the embodiment of the utility model can switch the spacing of a plurality of assembly components within a certain range, with high switching spacing accuracy and a simple and compact structure, thereby reducing manufacturing costs and improving stability.

[0020] Finally, it should be noted that: technicians in this industry should understand that the utility model is not limited to the above-mentioned implementation cases. The above-mentioned embodiments and descriptions only illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements must fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A spacing changing mechanism, characterized in that: The invention comprises a back plate (8), a moving mechanism mounting plate (1) and a fixed block (9) respectively arranged perpendicularly at two ends of the back plate (8), two guide shafts (2) arranged parallel to the moving mechanism mounting plate (1) and the fixed block (9), and a moving mechanism (14) arranged perpendicularly to the moving mechanism mounting plate (1), wherein a first moving block (4), a second moving block (5) and a third moving block (7) are slidably arranged on the guide shaft (2), an output end of the moving mechanism (14) is connected to the first moving block (4), and the moving mechanism (14) is used to drive the first moving block (4) to move along the guide shaft (2). A moving block (4) and a second moving block (5) are connected via a first limiting hook (12), the first limiting hook (12) being used to limit the maximum distance between the first moving block (4) and the second moving block (5); the second moving block (5) and a third moving block (7) are connected via a second limiting hook (6), the second limiting hook (6) being used to limit the maximum distance between the second moving block (5) and the third moving block (7); the third moving block (7) and the fixed block (9) are connected via a third limiting hook (10), the third limiting hook (10) being used to limit the maximum distance between the third moving block (7) and the fixed block (9).

2. A spacing changing mechanism as claimed in claim 1, characterized in that: Pick-up components (11) are installed below the first moving block (4), the second moving block (5), the third moving block (7) and the fixed block (9).

3. A spacing changing mechanism as claimed in claim 1, characterized in that: The first moving block (4) is provided with a first sliding groove, the second moving block (5) is provided with a second sliding groove and a third sliding groove, the third moving block (7) is provided with a fourth sliding groove and a fifth sliding groove, the fixed block (9) is provided with a sixth sliding groove, the first sliding groove and the second sliding groove are located in the same straight line, the third sliding groove and the fourth sliding groove are located in the same straight line, the fifth sliding groove and the sixth sliding groove are located in the same straight line, the first limiting hook (12) is inserted into the first sliding groove and the second sliding groove, the second limiting hook (6) is inserted into the third sliding groove and the fourth sliding groove, and the third limiting hook (10) is inserted into the fifth sliding groove and the sixth sliding groove.

4. A spacing changing mechanism as claimed in claim 3, characterized in that: The first limiting hook (12) comprises a first fixing portion fixed to the second sliding slot and a first limiting protrusion clamped to the first sliding slot, the second limiting hook (6) comprises a second fixing portion fixed to the fourth sliding slot and a second limiting protrusion clamped to the third sliding slot, and the third limiting hook (10) comprises a third fixing portion fixed to the sixth sliding slot and a third limiting protrusion clamped to the fifth sliding slot.

5. A spacing changing mechanism as claimed in claim 1, characterized in that: The moving mechanism (14) is a cylinder, comprising a cylinder body and a telescopic rod arranged on the cylinder body, wherein one end of the telescopic rod away from the cylinder body is connected to the first moving block (4) via a connecting piece (13).

6. A spacing changing mechanism as claimed in claim 1, characterized in that: The first moving block (4), the second moving block (5) and the third moving block (7) are provided with through holes, in which guide sliding members (3) are installed, and the guide shaft (2) is inserted into the guide sliding member (3) and can move in the guide sliding member (3).

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