Eight-equal-distance separating and combining mechanism

Abstract

The utility model discloses an eight-equal-distance separating and combining mechanism which comprises a four-equal-distance separating and combining module, eight sets of connecting block modules and a connecting rod module. The four-equal-distance opening and closing module comprises four output parts, and the four-equal-distance opening and closing module can drive the four output parts to achieve four-equal-distance opening and closing; the connecting rod module comprises eight equidistant separating and combining rods, each equidistant separating and combining rod is connected with the corresponding connecting block module, and four nonadjacent equidistant separating and combining rods in the eight equidistant separating and combining rods are sequentially connected with four output parts of the four equidistant separating and combining modules; and the connecting block module is used for mounting the liquid suction needle module. The beneficial effects of the utility model are that the four-equidistant separating and combining module is used for driving the eight-equidistant separating and combining connecting rod module, so that accurate driving can be realized, and separating and combining errors are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipette technology field especially relates to a eight equidistance split and combine mechanism. BACKGROUND

[0002] In the driving pipette related device, the mechanism that can realize eight equidistant split and combine is less, and some are realized through connecting rod mechanism, which is limited by installation space and machining precision, and the connecting rod mechanism is driven at both ends to realize eight equidistant split and combine during use, but there is a big error, so that split is not accurate enough.

[0003] Therefore, the prior art has defects and needs to be improved. INVENTION CONTENTS

[0004] The utility model aims at overcoming the insufficient of prior art, and provides a eight equidistant split and combine mechanism.

[0005] The utility model discloses a eight equidistant split and combine mechanism, including: four equidistant split and combine module, eight groups of connecting block module, connecting rod module,

[0006] The four equidistant split and combine module includes four output parts, and the four equidistant split and combine module can drive four output parts to realize four equidistant split and combine.

[0007] The connecting rod module includes eight equidistant split and combine rods, each equidistant split and combine rod is connected with a corresponding connecting block module, and four non-adjacent equidistant split and combine rods in the eight equidistant split and combine rods are sequentially connected with four output parts of the four equidistant split and combine module.

[0008] The connecting block module is used for installing a liquid suction needle module.

[0009] Further, the four equidistant split and combine module further includes: a first motor, a second motor, a first belt, a second belt, a first toothed pulley, a second toothed pulley, a third toothed pulley and a fourth toothed pulley, the first toothed pulley and the fourth toothed pulley are coaxially arranged, the second toothed pulley and the third toothed pulley are coaxially arranged, the first toothed pulley and the third toothed pulley have the same number of teeth, the second toothed pulley and the fourth toothed pulley have the same number of teeth, the number of teeth of the first toothed pulley and the third toothed pulley is twice the number of teeth of the second toothed pulley and the fourth toothed pulley, the first belt is connected with the first motor, the first toothed pulley, the second toothed pulley, the second belt is connected with the second motor, the third toothed pulley and the fourth toothed pulley, four output parts are a first output part, a second output part, a third output part and a fourth output part respectively, the first output part clamps the first belt, the first toothed pulley and the fourth toothed pulley are arranged on the second output part, the second toothed pulley and the third toothed pulley are arranged on the third output part, and the fourth output part clamps the second belt.

[0010] Further, the four-equal-distance split and combination module further comprises a plurality of idler wheels connected with the corresponding first belt and second belt.

[0011] Further, four non-adjacent ones of the eight equal-distance split and combination rods are sequentially connected with the four output portions of the four-equal-distance split and combination module through corresponding connecting block modules.

[0012] Further, the eight connecting block modules are arranged in two rows, and the connecting block modules are connected with the equal-distance split and combination rods of the connecting rod module through connecting rod connectors.

[0013] The connecting block is further provided with an X-axis slider arranged on a corresponding X-axis sliding rail.

[0014] With the above scheme, the four-equal-distance split and combination module can drive the eight-equal-distance split and combination connecting rod module, precise driving can be realized, and the split and combination error can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a structural schematic diagram of an embodiment of the present application.

[0016] Figure 2 FIG. 2 is a connection schematic diagram of a four-equal-distance split and combination module, a connecting block module and a connecting rod module of an embodiment of the present application.

[0017] Figure 3 FIG. 3 is a structural schematic diagram of a four-equal-distance split and combination module of an embodiment of the present application.

[0018] Figure 4 FIG. 4 is a structural schematic diagram of a first to fourth toothed belt wheel of a four-equal-distance split and combination module of an embodiment of the present application.

[0019] Figure 5 FIG. 5 is a connection schematic diagram of a liquid suction needle module, a connecting block module and a connecting rod module of an embodiment of the present application.

[0020] Figure 6 FIG. 6 is a connection schematic diagram of a connecting rod module and a connecting rod connector of an embodiment of the present application.

[0021] Figure 7 FIG. 7 is a structural schematic diagram of a connecting rod module of an embodiment of the present application. DETAILED DESCRIPTION

[0022] The present application will be described in detail below in combination with the drawings and specific embodiments.

[0023] Please refer to Figures 1 to 7In the embodiment, the utility model provides a kind of eight equidistant split and combination mechanism, comprising: four equidistant split and combination module 1, eight groups of connecting block module 2, connecting rod module 3.

[0024] The four equidistant split and combination module 1 includes four output parts, and the four equidistant split and combination module 1 can drive the four output parts to realize four equidistant split and combination. Specifically, the four equidistant split and combination module 1 further includes: a first motor 16, a second motor 17, a first belt 18, a second belt 19, a first toothed pulley 111, a second toothed pulley 112, a third toothed pulley 113, a fourth toothed pulley 114 and a plurality of idlers 110, the first toothed pulley 111 and the fourth toothed pulley 114 are coaxially arranged, the second toothed pulley 112 and the third toothed pulley 113 are coaxially arranged, the first toothed pulley 111 and the third toothed pulley 113 have the same number of teeth, the second toothed pulley 112 and the fourth toothed pulley 114 have the same number of teeth, and the number of teeth of the first toothed pulley 111 and the third toothed pulley 113 is twice the number of teeth of the second toothed pulley 112 and the fourth toothed pulley 114, the first belt 18 is connected with the first motor 16, the first toothed pulley 111 and the second toothed pulley 112, the second belt 19 is connected with the second motor 17, the third toothed pulley 113 and the fourth toothed pulley 114, the four output parts are respectively a first output part 11, a second output part 12, a third output part 13 and a fourth output part 14, the first output part 11 clamps the first belt 18, the first toothed pulley 111 and the fourth toothed pulley 114 are arranged on the second output part 12, the second toothed pulley 112 and the third toothed pulley 113 are arranged on the third output part 13, the fourth output part 14 clamps the second belt 19, the idler 110 is connected with the corresponding first belt 18 and second belt 19 for realizing belt turning.

[0025] In the four equidistant split and combination module 1, the first motor 16 and the second motor 17 rotate forward or reverse, thereby driving the first belt 18 and the second belt 19 to move, thereby driving the corresponding toothed pulleys and output parts to move, realizing the equidistant split and combination of the four output parts, and the specific principle belongs to the prior art, which will not be described here.

[0026] The connecting rod module 3 includes eight equidistant split and combination rods 31, each equidistant split and combination rod 31 is connected with a corresponding connecting block module 2, and four non-adjacent equidistant split and combination rods 31 in the eight equidistant split and combination rods 31 are sequentially connected with four output parts of the four equidistant split and combination module 1 through a corresponding connecting block module 2, that is, the eight equidistant split and combination rods 31 are sequentially sorted, and then four odd-numbered items or four even-numbered items in the eight equidistant split and combination rods 31 are sequentially connected with the four output parts of the four equidistant split and combination module 1 through a corresponding connecting block module 2. The eight equidistant split and combination rods 31 are eight split and combination points of the connecting rod module 3, and can realize eight equidistant split and combination.

[0027] The connecting block module 2 is used for mounting the liquid suction needle module 4. Eight connecting block modules 2 are arranged in two rows, and the connecting block module 2 is connected with the equidistant split and combination rod 31 of the connecting rod module 3 through a connecting rod. An X-axis slider is further arranged on the connecting block, and the X-axis slider is arranged on a corresponding X-axis slide rail 5. When the eight connecting block modules 2 are equidistantly split and combined, the X-axis slide rail 5 can guide and stabilize the movement of the liquid suction needle module 4 in the X-axis.

[0028] In the scheme, the four equidistant split and combination modules 1 are used to split and combine four output parts, and the connecting rod module 3 is driven by the four output parts, so that the connecting rod module 3 is driven equidistantly, the accuracy of the equidistant split and combination of the connecting rod module 3 is ensured, the accumulation of errors is avoided, and the machining precision requirement of the module is reduced.

[0029] In summary, the beneficial effects of the scheme are that the equidistant split and combination module is used to drive the eight equidistant split and combination connecting rod modules, precise driving is achieved, and the split and combination errors are reduced.

[0030] The above is only a preferred embodiment of the utility model, and is not used for limiting the utility model. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An eight-equal distance opening and closing mechanism, characterized in that: include: Four equidistant splitting and combining modules, eight groups of connection block modules, and connecting rod modules; The four-equal-distance splitting and combining module includes four output parts, and the four-equal-distance splitting and combining module can drive the four output parts to realize four-equal-distance splitting and combining; The connecting rod module includes eight equidistant splitting and combining rods, each of which is connected to a corresponding one of the connecting block modules, and four non-adjacent ones of the eight equidistant splitting and combining rods are sequentially connected to the four output parts of the four equidistant splitting and combining modules; The connecting block module is used to install the pipette needle module.

2. The eight-equal distance opening and closing mechanism according to claim 1, characterized in that: The four equidistant splitting and combining modules also include: a first motor, a second motor, a first belt, a second belt, a first toothed pulley, a second toothed pulley, a third toothed pulley and a fourth toothed pulley. The first toothed pulley and the fourth toothed pulley are coaxially arranged, the second toothed pulley and the third toothed pulley are coaxially arranged, the first toothed pulley and the third toothed pulley have the same number of teeth, the second toothed pulley and the fourth toothed pulley have the same number of teeth, and the number of teeth of the first toothed pulley and the third toothed pulley is twice the number of teeth of the second toothed pulley and the fourth toothed pulley. The first belt is connected to the first motor, the first toothed pulley and the second toothed pulley, the second belt is connected to the second motor, the third toothed pulley and the fourth toothed pulley, the four output parts are respectively the first output part, the second output part, the third output part and the fourth output part. The first output part clamps the first belt, the first toothed pulley and the fourth toothed pulley are arranged on the second output part, the second toothed pulley and the third toothed pulley are arranged on the third output part, and the fourth output part clamps the second belt.

3. The eight-equal distance opening and closing mechanism according to claim 2, characterized in that: The four equidistant splitting and combining modules further include a plurality of idler wheels connected to the corresponding first belt and second belt.

4. The eight-equal distance opening and closing mechanism according to claim 1, characterized in that: Four non-adjacent ones of the eight equidistant splitting and combining rods are sequentially connected to the four output parts of the four equidistant splitting and combining modules through corresponding connection block modules.

5. The eight-equal distance opening and closing mechanism according to claim 1, characterized in that: The eight connection block modules are arranged in two rows, and the connection block modules are correspondingly connected to the equidistant separation and combination rods of the connection rod modules through connecting rod connectors.

6. The eight-equal distance opening and closing mechanism according to claim 1, characterized in that: The connecting block is also provided with an X-axis slider, and the X-axis slider is provided on a corresponding X-axis slide rail.

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