CN219286845U - Spacing-variable mechanism - Google Patents

Abstract

The present utility model provides a variable pitch mechanism comprising: the variable pitch mechanism includes: a fixed component (1), an executing component (2) and a movable component (3); the fixing assembly (1) comprises a fixing bracket (11) and a guide rail (12), wherein the guide rail (12) is arranged on the fixing bracket (11) and is arranged in the vertical direction; the movable assembly (3) is in sliding connection with the guide rail (12), the movable assembly (3) comprises a movable support (31) and a plurality of sliding grooves (32), and the sliding grooves (32) are fixedly arranged on the movable support (31). The distance-variable mechanism provided by the utility model can adjust the distance between the electronic wires, so that the distance between the electronic wires is consistent with the distance between the connectors, a plurality of electronic wires are assembled at the same time, the assembly efficiency is improved, and the accuracy can be within 0.05 mm.

Description

Spacing-variable mechanism

Technical Field

The present utility model relates to a processing device, and more particularly, to a variable pitch mechanism.

Background

The electronic wire is an abbreviation of an internal wire of the electrical equipment, the electrifying performance mainly takes weak current as a main part, the outside is wrapped with an insulating layer, and the inside is bare copper or tin-plated copper and is used for transmitting signals or conducting electricity; connectors, also referred to in the country as contacts and sockets, are commonly referred to as electrical connectors, devices that connect two active devices to transmit electrical current or signals. The connection mode of the electronic wire and the connector generally adopts the following modes: soldering, crimping, wire wrapping and screw connection, wherein soldering is most commonly used, and soldering is the use of solder to solder the soldered connector to the electronic wire.

At present, a full-automatic device is generally adopted for soldering connection of an electronic wire and a connector, firstly, a peeling and tin dipping machine is used for peeling, tin dipping and cutting the electronic wire, namely, an insulating layer of the electronic wire is cut off to expose a core wire conductor, a layer of tin is plated on the surface of the exposed core wire conductor, then the electronic wire is cut according to a preset length, the electronic wire is clamped to the connector after being cut, and the core wire conductor and a connector terminal are welded at a high temperature of more than 230 ℃. Because the pitch of the electronic wires and the pitch of the connectors are inconsistent, the electronic wires and the connectors need to be welded one by one during assembly, the efficiency is low, and the assembly precision is poor, so that the problem that the pitch of the electronic wires and the pitch of the connectors are inconsistent is needed to be solved in order to improve the assembly efficiency and the assembly precision.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a variable pitch mechanism for solving the problems of inconsistent pitch of an electronic wire and pitch of a connector, low efficiency and poor assembly accuracy in the prior art when an electrical apparatus is automatically soldered and assembled.

To achieve the above and other related objects, the present utility model provides a variable pitch mechanism comprising: a variable pitch mechanism, the variable pitch mechanism comprising: a fixed component, an execution component and a movable component;

the fixing assembly comprises a fixing bracket and a guide rail, and the guide rail is arranged on the fixing bracket and is arranged in the vertical direction;

the movable assembly is in sliding connection with the guide rail and comprises a movable support and a plurality of sliding grooves, and the sliding grooves are formed in the movable support;

the execution assembly is in transmission connection with the active assembly and comprises a plurality of rolling units, a plurality of execution units and a horizontal guide shaft; each rolling unit comprises a bearing and a rolling shaft, and each bearing is correspondingly and fixedly connected to one rolling shaft; each bearing is correspondingly matched in one chute; one end of each roller is correspondingly and fixedly connected with one execution unit; the execution units are arranged on the horizontal guide shaft; the horizontal guide shaft is erected on the fixed bracket;

when the movable assembly moves vertically, the bearing is acted by the action of the sliding groove to drive the execution unit to move horizontally along the horizontal guide shaft.

In one embodiment, the device further comprises a distance limiting assembly, wherein the distance limiting assembly comprises a blocking block and a distance limiting block; the blocking block is detachably connected to the fixed support; the distance limiting block is fixedly arranged on the movable support and is positioned between the movable support and the fixed support;

when the blocking block and the distance limiting block are in contact, the movable component stops moving.

In one embodiment, the number of the blocking blocks is 2, and the blocking blocks are respectively arranged above and below the distance limiting blocks.

In one embodiment, the distance limiting assembly further comprises a fixed block fixedly connected to the fixed bracket and detachably connected with the blocking block; the fixed block is used for fixing the blocking block.

In one embodiment, the height of the blocking piece in the vertical direction is adjustable.

In one embodiment, the execution assembly further comprises a plurality of linear bearings, the plurality of linear bearings are all arranged on the horizontal guide shaft, and each linear bearing is correspondingly and fixedly connected with one execution unit.

In one embodiment, the executing assembly further comprises a plurality of clamping pieces, and each clamping piece is correspondingly and fixedly connected with one executing unit.

In one embodiment, the movable assembly further comprises a slider fixedly connected with the movable bracket; the sliding blocks are matched with the guide rails so as to realize sliding connection of the movable support and the fixed support.

In one embodiment, the plurality of runners are fan-shaped.

In one embodiment, a sliding rail is provided along the extension direction of the sliding groove, and the bearing moves along one side sliding rail.

In one embodiment, the spacing between two adjacent sliding grooves is the same on the same horizontal plane.

In one embodiment, sliding rails are arranged on two sides of the sliding groove along the extending direction of the sliding groove, and the bearing moves along one side of the sliding rail in use.

In one embodiment, the device further comprises a power source for providing power to move the movable support vertically.

In one embodiment, the number of the horizontal guide shafts is at least 2, and the horizontal guide shafts are arranged in parallel.

According to the variable spacing mechanism provided by the utility model, the horizontal movement distance of the execution unit can be adjusted by controlling the vertical movement distance of the movable assembly, and the electronic wires clamped by the clamping piece on the execution unit move along with the horizontal movement, so that the effect of adjusting the spacing of the electronic wires is achieved.

Drawings

Fig. 1 is a schematic view of a part of a variable pitch mechanism according to the present utility model.

Fig. 2 is a schematic diagram of a variable pitch mechanism according to the present utility model.

Fig. 3 shows a schematic view of a distance limiting assembly of the variable distance mechanism of the present utility model.

Description of the reference numerals

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 3. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

As shown in fig. 1-2, the present utility model provides a variable pitch mechanism comprising: a fixed component 1, an executing component 2 and a movable component 3;

the fixing assembly 1 comprises a fixing bracket 11 and a guide rail 12, wherein the guide rail 12 is arranged on the fixing bracket 11 and is arranged in the vertical direction;

the movable assembly 3 is in sliding connection with the guide rail 12, the movable assembly 3 comprises a movable bracket 31 and a plurality of sliding grooves 32, and the sliding grooves 32 are arranged on the movable bracket 31;

the execution assembly 2 is in transmission connection with the active assembly 3, and the execution assembly 2 comprises a plurality of rolling units 21, a plurality of execution units 24 and a horizontal guide shaft 23; each rolling unit 21 comprises a bearing 211 and a roller 212, and each bearing 211 is correspondingly and fixedly connected with one roller 212; each bearing 211 is correspondingly matched in one sliding groove 32; one end of each roller 212 is fixedly connected with one executing unit 24 correspondingly; the execution units 24 are arranged on the horizontal guide shaft 23; the horizontal guide shaft 23 is erected on the fixed bracket 11;

when the movable assembly 3 moves vertically, the bearing 211 is acted by the sliding groove 32 to drive the execution unit 24 to move horizontally along the horizontal guide shaft 23.

In the above embodiment, a variable spacing mechanism is provided, when in use, each clamping piece 25 clamps an electronic wire, and the spacing of the electronic wires is adjusted by adjusting the spacing of the executing units 24, so that the spacing of the electronic wires is consistent with and matched with the spacing of an object to be connected, such as a connector, and the precision can reach within 0.05mm, therefore, a plurality of electronic wires can be matched with the position of the object to be connected at the same time when in assembly, thereby improving the assembly efficiency of the electrical appliance.

In one embodiment as shown in fig. 3, the variable pitch mechanism further comprises a pitch assembly 4, the pitch assembly 4 comprising a stop 43 and a pitch block 42; the blocking block 43 is detachably connected to the fixed bracket 11; the distance limiting block is fixedly arranged on the movable bracket 31 and is positioned between the movable bracket 31 and the fixed bracket 11;

when the blocking block 43 and the distance limiting block 42 are in contact, the movable assembly 3 stops moving.

In the above embodiment, the distance limiting assembly 4 is used to limit the movement of the distance limiting block 42, so that the final distance of the execution units 24 is set, and the distance of the electron beam on the clamping member is ensured.

When the movable bracket 31 moves vertically, the distance limiting blocks 42 move vertically together until contacting the blocking blocks 43, thereby adjusting the pitch of the electronic wires to a desired pitch.

In a more specific embodiment, as shown in fig. 3, there are 2 blocking blocks 43, respectively above and below the distance limiting block 42. In operation, after the distance between the electron beams is determined, the initial position of the distance limiting block 42 is set to be in contact with one of the blocking blocks 43, and the height of the other blocking block 43 relative to the one blocking block 43 is adjusted according to the calculated adjustment distance of the electron beams.

More specifically, if the electron beam pitch is increased to a desired pitch, the initial position of the distance limiting block 43 is set to be in contact with the lower-height stopper, and the height of the higher-height stopper 43 relative to the lower-height stopper is adjusted according to the calculated adjustment distance of the electron beam. The movable bracket 31 moves upwards to drive the distance limiting block 42 to move upwards together until the distance limiting block 42 contacts with the blocking block 43 arranged higher, and the movable bracket 31 stops moving, so that the moving distance of the rolling unit 21 in the chute 32 is limited, the horizontal moving distance of the rolling unit 21 to drive the executing unit 24 along the horizontal guide shaft 23 is also limited, and the distance between the electron lines clamped on the clamping piece moves to the set distance along with the movement, so that the effect of the distance between the electron lines is achieved.

If the distance between the electron beams is reduced to the required distance, the initial position of the distance limiting block 43 is set to be in contact with the blocking block with higher height, and the height of the blocking block 43 with respect to the blocking block with higher height is adjusted according to the calculated adjustment distance of the electron beams. The movable bracket 31 moves downwards to drive the distance limiting block 42 to move downwards together until the distance limiting block 42 contacts with the blocking block 43 arranged at the lower part, and the movable bracket 31 stops moving, so that the horizontal moving distance of the rolling unit 21 in the chute 32 is limited, the horizontal moving distance of the rolling unit 21 to drive the execution unit 24 along the horizontal guide shaft 23 is also limited, and the distance between the electronic wires clamped on the clamping piece moves to the set distance along with the movement, so that the effect of the distance between the electronic wires is achieved.

In a more specific embodiment, as shown in fig. 3, the distance limiting assembly 4 further comprises a fixed block 41; the fixed block 41 is fixedly connected to the fixed bracket 11 and detachably connected with the blocking block 43; as shown in fig. 3, the fixing block 41 is connected with the blocking block 43 by screw and nut.

In a more specific embodiment, as shown in fig. 3, the height of the blocking block 43 in the vertical direction is adjustable.

In the above-mentioned more specific embodiment, the blocking block 43 may be a screw, the screw is provided with threads, the fixing block 41 is provided with a screw hole, and the screw is inserted into the screw hole and exposed, and extends toward the distance limiting block; the blocking piece 43 is rotated by external force, the height of the blocking piece 43 is changed by changing the length of the screw exposing the fixing piece 41, and the nut is locked after the screw is set to a set value, so that the effect of adjusting the height of the blocking piece 43 is achieved.

In one embodiment as shown in fig. 1 and 2, the executing assembly 2 further includes a plurality of linear bearings 22, where the plurality of linear bearings 22 are disposed on the horizontal guide shaft 23, and each linear bearing 22 is correspondingly fixedly connected to one executing unit 24. The linear bearing 22 is used for carrying the execution unit 24, and limits the execution unit 24 to do horizontal movement along the horizontal guide shaft 23 when the execution unit is acted on by the bearing 211, so that the vertical movement of the movable bracket 31 is converted into the horizontal movement of the clamping piece or the electronic wire. The linear bearing 22 can also reduce the friction force of the execution unit 24 sliding on the horizontal guide shaft 23, thereby saving energy.

More specifically, in the above embodiment, when the movable assembly 3 moves downward, the chute 32 on the movable bracket 31 moves downward, thereby driving each rolling unit 21 located in the chute 32 to roll horizontally, and the horizontal movement of the roller 211 in the rolling unit 21 is transmitted to the corresponding executing unit 24, so that the executing unit 24 moves horizontally along the horizontal guide shaft 23

In a specific embodiment, the actuator unit 24 is a vertically disposed component that is removably secured to a linear bearing 22 by screws.

In a specific embodiment shown in fig. 1 and 2, the executing assembly 2 further includes a plurality of clamping members 25, for example, 2, 3, 4, 5 or 6 clamping members, as shown in fig. 1 and 2, and the number of the clamping members is 4; each clamping member 25 is fixedly connected with one of the executing units 24.

In the above embodiment, the clamping members 25 are used for clamping the electronic wires, as shown in fig. 1 or 2, and the variable-spacing mechanism is provided with 4 clamping members 25, so that the spacing between the 4 electronic wires can be adjusted at the same time, thereby improving the assembly efficiency. When the movable assembly 3 moves downwards, the plurality of clamping pieces 25 move horizontally along the horizontal guide shaft 23 along with the execution unit 24 respectively, so that the distance between two adjacent clamping pieces 25 is increased, and the effect of increasing the distance between adjacent electron beams is achieved.

In one embodiment as shown in fig. 1, the movable assembly 3 further includes a slider 33, and the slider 33 is fixedly connected to the movable bracket 31; the sliding block 33 and the guide rail 12 are matched to realize the sliding connection of the movable bracket 31 and the fixed bracket 11.

In the above embodiment, the guide rail 12 and the slider 33 are arranged in a matching manner in the variable-pitch mechanism, so as to facilitate the vertical movement of the movable bracket 31 during use, reduce sliding friction, and save energy consumption.

In a more specific embodiment as shown in fig. 1, the number of the guide rails 12 may be plural, such as 2, 3, 4; at least 2, such as 2, 3, 4, 5, 6, of said sliders 33; the movable assembly 3 is stably moved in the vertical direction by the arrangement of a plurality of guide rails and sliding blocks. In the specific embodiment shown in fig. 1, there are two guide rails 12, and two sliders 33 are disposed on each guide rail 12.

In one embodiment, as shown in fig. 1, a plurality of the runners 32 are fan-shaped. The number of the sliding grooves 32 may be 2, 3, 4, 5, 6, as shown in fig. 1, and the number of the sliding grooves 32 is 4.

In the above embodiment, the plurality of sliding grooves 32 are in a fan-shaped distribution, and the distances between the adjacent sliding grooves 32 are different on different horizontal planes, so when the sliding grooves 32 move vertically along with the movable support 31 in use, each rolling unit 21 rolls horizontally under the action of force, and the distances between the adjacent two rolling units 21 change accordingly, so as to drive the distances between the corresponding executing units 24 to change, thereby achieving the effect of changing the distance between the electronic wires.

In one embodiment, as shown in fig. 1, the spacing between adjacent runners 32 is the same in the same horizontal plane.

In the above embodiment, the distances between two adjacent sliding grooves 32 are the same on the same horizontal plane, the distances between two adjacent rolling units 21 are the same, the executing units 24 move along with the corresponding rolling units 21, and the distances between the adjacent executing units 24 are the same, so that the effect of consistent distance between electronic wires is achieved, and the distance between connectors can be matched better during assembly.

In one embodiment, as shown in fig. 1, sliding rails are disposed along the extending direction of the sliding groove 32 on both sides of the sliding groove 32, and in use, the bearing 211 moves along one side of the sliding rail.

In the above embodiment, when the movable bracket 31 moves downward, the bearing 211 contacts with a side of the sliding rail near the center of the sliding groove 32, and the force of the movable bracket 31 is converted into the force of the bearing 211 in the horizontal direction, so that the bearing 211 moves along the sliding rail toward the center of the sliding groove 32. When the movable support 31 moves upwards, the bearing 211 contacts with a side sliding rail at the center of the distribution of the sliding groove 32, and the acting force of the movable support 31 is converted into the acting force of the bearing 211 in the horizontal direction, so that the bearing 211 moves along the sliding rail to the center of the distribution of the sliding groove 32.

In one embodiment, as shown in fig. 1, the device further comprises a power source 5, wherein the power source 5 is used for providing power to enable the movable bracket 31 to vertically move. As shown in fig. 1, the power source 5 is an air cylinder, and the air cylinder is fixedly connected above the fixed bracket 11 and movably connected with the movable bracket 31, so as to provide power.

In the embodiment, the electromagnetic valve is used for controlling the air inlet and outlet switching of the air cylinder and controlling the reciprocating motion of the air cylinder, so that the vertical motion of the movable assembly 3 is realized.

In a more specific embodiment as shown in fig. 1, the power source 5 further comprises a floating joint 51; the floating joint 51 is connected with the movable bracket 31 in a matching manner, such as clamping, so that the movable bracket 31 is driven to move vertically by the vertical movement of the floating joint 51.

In one embodiment shown in fig. 1, the number of the horizontal guide shafts 23 is at least 2, for example, may be 2, 3, 4 or 5, and as shown in fig. 1, the number of the horizontal guide shafts 23 is 2; the horizontal guide shafts 23 are arranged in parallel.

In the above embodiment, the two parallel horizontal guide shafts 23 not only can ensure that the execution unit 24 is in the vertical direction, so as to ensure that the execution unit 24, the clamping piece 25 and the electronic wire clamped by the clamping piece 25 can only do horizontal movement, but also do not move in other directions, thereby being beneficial to the butt joint of the electronic wire and the connector, facilitating assembly and ensuring the efficiency and accuracy of automatic butt joint.

In one embodiment, as shown in fig. 1, the fixing assembly 1 is further formed with a supporting block 13; the supporting blocks 13 are arranged at two ends of the fixed bracket 11 and are used for supporting the horizontal guide shaft 23.

In an embodiment shown in fig. 2, the execution unit 24 is further provided with an extension plate 26, and the extension plate 26 is detachably connected to the clamping member 25.

In the above embodiment, the extension plate 26 is used to carry the clamping member 25.

In summary, the distance-variable mechanism provided by the utility model can adjust the distance between the electronic wires to make the distance between the electronic wires consistent with the distance between the connectors, can simultaneously process a plurality of electronic wires during assembly, improves the assembly efficiency, and can reach the accuracy within 0.05 mm. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. A variable pitch mechanism, the variable pitch mechanism comprising: a fixed component (1), an executing component (2) and a movable component (3);

the fixing assembly (1) comprises a fixing bracket (11) and a guide rail (12), wherein the guide rail (12) is arranged on the fixing bracket (11) and is arranged in the vertical direction;

the movable assembly (3) is in sliding connection with the guide rail (12), the movable assembly (3) comprises a movable bracket (31) and a plurality of sliding grooves (32), and the sliding grooves (32) are arranged on the movable bracket (31);

the execution assembly (2) is in transmission connection with the movable assembly (3), and the execution assembly (2) comprises a plurality of rolling units (21), a plurality of execution units (24) and a horizontal guide shaft (23); each rolling unit (21) comprises a bearing (211) and a rolling shaft (212), and each bearing (211) is correspondingly and fixedly connected with one rolling shaft (212); each bearing (211) is correspondingly matched in one sliding groove (32); one end of each roller (212) is correspondingly and fixedly connected with one execution unit (24); the execution units (24) are arranged on the horizontal guide shaft (23); the horizontal guide shaft (23) is erected on the fixed bracket (11); when the movable assembly (3) moves vertically, the bearing (211) is acted by the sliding groove (32) to drive the execution unit (24) to move horizontally along the horizontal guide shaft (23).

2. The variable spacing mechanism of claim 1, further comprising a spacing assembly (4), the spacing assembly (4) comprising a stop block (43) and a spacing block (42); the blocking block (43) is detachably connected to the fixed bracket (11); the distance limiting block (42) is fixedly arranged on the movable bracket (31) and is positioned between the movable bracket (31) and the fixed bracket (11);

when the blocking block (43) and the distance limiting block (42) are contacted, the movable assembly (3) stops moving.

3. A variable spacing mechanism according to claim 2, characterized in that there are 2 blocking blocks (43) located above and below the distance limiting blocks (42), respectively.

4. The variable spacing mechanism according to claim 2, characterized in that the spacing assembly (4) further comprises a fixed block (41); the fixed block (41) is fixedly connected to the fixed bracket (11), and the fixed block (41) is used for fixing the blocking block (43);

and/or the height of the blocking block (43) in the vertical direction is adjustable.

5. The variable-pitch mechanism according to claim 1, wherein the actuator assembly (2) further comprises a plurality of linear bearings (22), the plurality of linear bearings (22) being arranged on the horizontal guide shaft (23), each linear bearing (22) being fixedly connected to one of the actuator units (24).

6. The variable spacing mechanism according to claim 1, characterized in that the actuating assembly (2) further comprises a plurality of clamping members (25), each clamping member (25) being fixedly connected to a respective actuating unit (24).

7. The variable spacing mechanism according to claim 1, characterized in that the movable assembly (3) further comprises a slider (33), the slider (33) being fixedly connected with the movable bracket (31); the sliding block (33) and the guide rail (12) are arranged in a matched mode, so that sliding connection of the movable support (31) and the fixed support (11) is achieved.

8. The variable pitch mechanism of claim 1, wherein a plurality of the runners (32) are fan-shaped;

and/or, on the same horizontal plane, the spacing between two adjacent sliding grooves (32) is the same.

9. A variable spacing mechanism according to claim 1, characterised in that slide rails are provided on both sides of the chute (32) along the direction of extension of the chute (32), the bearing (211) moving along a side slide rail in use.

10. The variable pitch mechanism according to claim 1, wherein the number of horizontal guide shafts (23) is at least 2, and the horizontal guide shafts (23) are arranged in parallel.

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