Single-power double-carrier loosening and clamping device and automatic line
By using a single-powered double-vehicle loose clamping device in the automatic line, and using a linear drive unit and a pushing structure arranged in the backward direction, the problem of each station in the prior art requiring independent loose clamping device is solved, and the loose clamping action of two vehicles is realized, reducing equipment costs.
Patent Information
- Application Number
- CN202421921227.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-08-08
AI Technical Summary
In the existing automatic wire, each work station to be unplugged needs to be equipped with an independent vehicle unplugging device, resulting in higher costs.
The single-powered double-vehicle loose clamping device is adopted, and the linear drive unit and two pushing structures arranged in the opposite direction are used to loosen the clamping of the two vehicles, reducing the equipment cost.
It effectively reduces equipment costs, realizes the loose clamping action of the two vehicles, and improves the efficiency and economicality of the automatic line.
Smart Images
Figure CN223002308U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automatic equipment, in particular to a single-power double-carrier clamping and releasing device and an automatic line. Background Art
[0002] On the existing automatic line, carriers are used to transport workpieces to be processed, and the workpieces are transferred between various workstations by the carriers. The carrier clamps the workpiece through a clamping mechanism thereon. The clamping mechanism includes a movable clamping part, and the clamping part on the carrier can be driven to move through a carrier clamping and releasing device, so as to release the clamping of the workpiece.
[0003] Generally, a corresponding carrier clamping and releasing device with driving force needs to be separately arranged at each clamping and releasing workstation where the workpiece needs to be released, and the cost is relatively high. Summary of the Utility Model
[0004] The first object of the utility model is to provide a single-power double-carrier clamping and releasing device, which can realize the clamping and releasing of two carriers only by a single-power-source clamping and releasing device, thereby reducing the cost.
[0005] The second object of the utility model is to provide an automatic line adopting the single-power double-carrier clamping and releasing device.
[0006] The single-power double-carrier clamping and releasing device provided by the first object of the utility model includes a linear driving unit and a first pushing structure. The linear driving unit includes a main body and an output end that can move relative to the main body along a first direction. The first pushing structure is connected to the output end. The single-power double-carrier clamping and releasing device further includes a fixed structure and a sliding structure that are slidably connected along the first direction. The main body is fixedly connected to the sliding structure. Under the guidance of the sliding structure, the main body can move between a retracted position and an extended position along the first direction. The single-power double-carrier clamping and releasing device further includes a second pushing structure, which is connected to the main body, and the first pushing structure and the second pushing structure are arranged back to back along the first direction.
[0007] As can be seen from the above solution, the single-power double-carrier clamping and releasing device is arranged between two clamping and releasing workstations along the first direction at a certain distance. When the linear driving unit works, when the first pushing structure reaches the carrier at the first clamping and releasing workstation, in fact, the output end has not reached the maximum stroke yet. Therefore, the linear driving unit will continue to drive the output end to translate. However, at this time, the carrier at the first clamping and releasing workstation blocks the output end from continuing to move forward from the front. Based on relative motion, the output end cannot move, and the main body will be forced to slide back against the first clamping and releasing workstation. Finally, the second pushing structure connected to the main body reaches the fixture at the second clamping and releasing workstation. Therefore, the clamping and releasing device of the utility model only sets one linear driving unit, but can realize the clamping and releasing of the carriers on both sides respectively through two pushing structures arranged back to back, effectively reducing the equipment cost.
[0008] A further solution is that the single-power dual-vehicle clamping and releasing device further includes an elastic reset member, which is connected between the fixed structure and the sliding structure. Under the restoring force of the elastic reset member, the main body tends to reset to the retracted position.
[0009] As can be seen from the above, in this setting, when the clamping and releasing action is completed and the output end is retracted, the main body can also automatically return to the retracted position. This can ensure the stability and consistency of each action.
[0010] A further solution is that the elastic reset member is a tension spring, which is tractioned between the fixed structure and the sliding structure.
[0011] As can be seen from the above, the current goal of the elastic reset member is to provide a force to reset the main body that is in a more outward position. Compared with the compression spring, the traction of the tension spring is easier to assemble, and the traction force provided is more conducive to the inward movement of the main body.
[0012] A further solution is that the fixed structure includes a slide rail arranged along the first direction, and the sliding structure includes a slider, and the slider is matched with the slide rail.
[0013] As can be seen from the above, this setting makes the translational movement of the sliding structure and the main body smoother.
[0014] A further solution is that the sliding structure further includes a sliding seat, and the slider, the sliding seat and the main body are connected in sequence; along the second direction perpendicular to the first direction, the two sliders are respectively arranged on opposite sides of the sliding seat, and the fixed structure includes two slide rails arranged in sequence.
[0015] As can be seen from the above, this setting makes the distribution of the mutual force between the fixed structure and the sliding structure more uniform, and also further ensures the smoothness of the translational movement of the sliding structure and the main body.
[0016] A further solution is that the fixed structure further includes a fixed seat and a limiting member, and the slide rail and the limiting member are arranged on the fixed seat in sequence along the first direction; the tension spring is tractioned between the sliding seat and the limiting member; in the direction from the extended position to the retracted position, the limiting member restricts the sliding seat from the front.
[0017] As can be seen from the above, setting the tension spring on one side may cause uneven force, which will affect the smoothness of the translational movement of the sliding structure; if a single tension spring is set in the middle, it will interfere with the normal cooperation between the sliding structure and the fixed structure. Therefore, preferably, the present utility model selects to set tension springs on the left and right sides in the translational direction respectively to ensure that the system is in a better mechanical state.
[0018] Another further solution is that the first pushing structure and the second pushing structure are at the same horizontal height.
[0019] As can be seen from the above, in this setting, the clamping and releasing device can effectively perform the clamping and releasing actions on the two vehicles on both sides.
[0020] The automatic line provided by the second object of the present utility model includes a transportation line and carriers flowing on the transportation line. The automatic line includes a station that requires clamping and unclamping and a carrier clamping and unclamping device corresponding to the station that requires clamping and unclamping. The carrier clamping and unclamping device adopts the above-mentioned single-power double-carrier clamping and unclamping device. The station that requires clamping and unclamping includes a first station and a second station oppositely arranged along a first direction. The carrier includes a first carrier reaching the first station and a second carrier reaching the second station. The single-power double-carrier clamping and unclamping device is arranged between the first station and the second station along the first direction. When the main body is in the retracted position and the output end is in the starting position, in the first direction, the first distance between the first carrier and the first pushing structure is less than the maximum stroke of the linear driving unit; the second distance between the second carrier and the second pushing structure is less than the difference between the maximum stroke and the first distance.
[0021] A further solution is that in the process of the linear driving unit reaching the maximum stroke, it sequentially passes through a first stage and a second stage: in the first stage, the output end drives the first pushing structure to translate to the position of the first carrier; in the second stage, the first carrier restricts the forward movement of the output end and forces the main body to move from the retracted position to the extended position, so as to drive the second pushing structure to translate to the position of the second carrier.
[0022] As can be seen from the above solution, after the linear driving unit works, when the first pushing structure reaches the carrier at the first station to be clamped and unclamped, in fact, the output end has not reached the maximum stroke yet. Therefore, the linear driving unit will continue to drive the output end to translate; but at this time, the carrier at the first station to be clamped and unclamped hinders the continuous forward movement of the output end from the front. Based on relative motion, the output end cannot move, and the main body will be forced to slide away from the first station to be clamped and unclamped. Due to the reasonable setting of the relative distances among the first carrier, the carrier clamping and unclamping device, and the second carrier in the first direction, finally, the second pushing structure connected to the main body reaches the clamp at the second station to be clamped and unclamped. Therefore, the clamping and unclamping device of the present utility model only sets one linear driving unit and can simultaneously complete the clamping and unclamping of two carriers, effectively reducing the equipment cost.
[0023] A further solution is that the transportation line is a circulating line, and one of the first station and the second station is a loading station, and one of the first station and the second station is an unloading station.
[0024] As can be seen from the above, generally speaking, clamping and unclamping actions are required at both the loading station and the unloading station, and on the circulating line, the loading station and the unloading station are generally in relatively close positions. The single-power double-carrier clamping and unclamping device of the present utility model is very suitable for being arranged between the loading station and the unloading station, and can maximize the use value of the single-power double-carrier clamping and unclamping device. Description of the Drawings
[0025] Figure 1 It is a structural diagram of the first perspective of the embodiment of the single-power double-carrier clamping and unclamping device of the present utility model.
[0026] Figure 2 This is a structural diagram of the second perspective of the embodiment of the single-power dual-carrier clamping and unclamping device of the present utility model.
[0027] Figure 3 This is a schematic diagram of the telescopic change of the cylinder in the embodiment of the single-power dual-carrier clamping and unclamping device of the present utility model.
[0028] Figure 4 This is a schematic diagram of the embodiment of the single-power dual-carrier clamping and unclamping device of the present utility model on the automatic line.
[0029] Figure 5 This is a schematic diagram of the working state a of the embodiment of the single-power dual-carrier clamping and unclamping device of the present utility model.
[0030] Figure 6 This is a schematic diagram of the working state b of the embodiment of the single-power dual-carrier clamping and unclamping device of the present utility model.
[0031] Figure 7 This is a schematic diagram of the working state c of the embodiment of the single-power dual-carrier clamping and unclamping device of the present utility model. Detailed implementation manners
[0032] Refer to Figure 1 and Figure 2 The single-power dual-carrier clamping and unclamping device 100 of this embodiment includes a fixed structure 1, a sliding structure 2, a linear driving unit 3, a first pushing structure 41, a second pushing structure 42, and an elastic reset member 5.
[0033] The fixed structure 1 includes a base 11, a fixed seat 12, columns 13, a slide rail 14, and a limiting member 15. The base 11 is arranged at the bottom of the single-power dual-carrier clamping and unclamping device 100. By fixing the base 11 to the automatic line, the fixation of the single-power dual-carrier clamping and unclamping device 100 to the automatic line is realized. The fixed seat 12 is supported by four columns 13 and fixed above the base 11. The slide rail 14 and the limiting member 15 are fixedly installed on the upper side of the fixed seat 12. Among them, the slide rail 14 extends along the first direction, and two slide rails 14 are arranged at intervals along the second direction. The limiting member 15 and the slide rail 14 are arranged in sequence along the first direction. The first direction is shown as the x-axis direction, the second direction is shown as the y-axis direction, both the first direction and the second direction are horizontal directions, and the first direction is perpendicular to the second direction.
[0034] The sliding structure 2 includes a sliding seat 21 and sliders 22. Two sliders 22 are fixedly installed on the lower side of the sliding seat 21. In the second direction, the two sliders 22 are respectively arranged on the opposite sides of the sliding seat 21, and each of the two sliders 22 is slidably engaged with a slide rail 14 along the first direction. In this way, the sliding structure 2 can translate relative to the fixed structure 1 along the first direction.
[0035] The elastic reset member 5 is a tension spring. The elastic reset member 5 is tractioned between the sliding seat 21 and the limiting member 15 and along the second direction. Two elastic reset members 5 are respectively arranged on the opposite sides of the sliding seat 21.
[0036] The linear drive unit 3 includes a main body 31 and an output end 32 that can move relative to the main body 31 along the first direction. In this embodiment, the linear drive unit 3 is a cylinder, the main body 31 is the cylinder block of the cylinder, and the output end 32 is the end of the piston rod of the cylinder. The linear drive unit 3 is arranged along the first direction, and the main body 31 is fixedly installed on the upper side of the sliding seat 21. In this way, driven by the sliding structure 2, the main body 31 can translate relative to the fixed structure 1 along the first direction.
[0037] Combined with Figure 6 and Figure 7 , further, the main body 31 can translate relative to the fixed structure 1 along the first direction between the retracted position 3101 and the extended position 3102. The retracted position 3101 is directly above the fixed structure 1, and the extended position 3102 is outside the fixed structure 1. In addition, in the direction from the extended position 3102 to the retracted position 3101, the limiting member 15 restricts the sliding seat 21 from the front. In addition, under the action of the elastic reset member 5, the main body 31 tends to be forced to return from the extended position 3102 to the retracted position 3101.
[0038] Continue to refer to Figure 1 and Figure 2 , the first pushing structure 41 is fixedly connected to the output end 32, the second pushing structure 42 is fixedly connected to the main body 31, and the first pushing structure 41 and the second pushing structure 42 are arranged back to back along the first direction. Both the first pushing structure 41 and the second pushing structure 42 include a horizontally extending pushing portion, and the pushing portions of the first pushing structure 41 and the second pushing structure 42 are at the same horizontal height.
[0039] Additionally, referring to Figure 3 , when the linear drive unit 3 works, the output end 32 can move relative to the main body 31 from the starting position 3201 to the limit position 3202, and passes through the process position 3203 during the process. At the starting position 3201, the stroke of the output end 32 is zero. The distance from the starting position 3201 to the limit position 3202 is the maximum stroke L1 of the linear drive unit 3, and the distance from the starting position 3201 to the process position 3203 is the stage stroke L2, and the stage stroke L2 is less than the maximum stroke L1.
[0040] Refer to Figure 4 , the present utility model also claims protection for the automatic line.
[0041] The automatic line includes a transport line 9 and carriers circulating on the transport line 9. The automatic line further includes a clamping-release required station and a carrier clamping-release device corresponding to the clamping-release required station. The carrier clamping-release device adopts the single-power dual-carrier clamping-release device 100 in this embodiment. In this embodiment, the transport line 9 is a circulating line, the first station 91 is a loading station, the second station 92 is an unloading station, and the carriers include a first carrier 93 arriving at the first station 91 and a second carrier 94 arriving at the second station 92.
[0042] Combined with Figure 5 , the single-power dual-carrier clamping-release device 100 is arranged between the first station 91 and the second station 92 along the first direction. And, as Figure 5 shown in the a working state, at this time the linear drive unit 3 is in the starting state, the main body 31 is in the retracted position 3101 and the output end 32 is in the starting position 3201. In the first direction, the first distance between the driven part of the first carrier 93 to be pushed by the first pushing structure 41 and the driving part of the first pushing structure 41 is substantially equal to Figure 3 the stage stroke L2 shown. Therefore, the above distance is less than the maximum stroke L1 of the linear drive unit 3. In addition, in this state, the second distance (shown as L3 in the figure) between the driven part of the second carrier 94 to be pushed by the second pushing structure 42 and the driving part of the second pushing structure 42 is less than the difference between the maximum stroke and the first distance. That is, the sum of the first distance and the second distance is less than the maximum stroke of the linear drive unit 3.
[0043] Refer to Figure 5 and Figure 6 , during the process of the linear drive unit 3 reaching the maximum stroke L1, it successively passes through the first stage and the second stage. The first stage changes from Figure 5 the a working state shown to Figure 6 the b working state shown, and the second stage changes from the b working state to Figure 7 the c working state shown.
[0044] In the first stage, the linear drive unit 3 starts to work. Due to the action of the elastic resetting member 5, the main body 31 does not move. At this time, the output end 32 moves from the starting position 3201 to the process position 3203 along the positive direction of the x-axis shown in the figure and drives the first pushing structure 41 to translate a distance equal to the stage stroke L2 and reach the first carrier 93.
[0045] In the second stage, since the first distance from the first vehicle 93 to the first driving structure 41 is less than the maximum stroke L1 of the linear driving unit 3, even when the first driving structure 41 reaches the position where it abuts against the first vehicle 93, the linear driving unit 3 still does not reach the maximum stroke L1, and the linear driving unit 3 will continue to operate to push out the output end 32. However, since the first vehicle 93 blocks and restricts the output end 32 from the front in the first direction, the output end 32 cannot continue to move forward. Based on the relative movement relationship between the main body 31 and the output end 32, the remaining stroke amount of the linear driving unit 3 will be completed by the movement of the main body 31. At this time, the driving force of the linear driving unit 3 exceeds the restoring force of the elastic resetting member 5, thereby forcing the main body 31 to move from the retracted position 3101 to the extended position 3102, so as to drive the second driving structure 42 to translate.
[0046] Since the second distance is less than the remaining stroke amount of the linear driving unit 3, the linear driving unit 3 can drive the second driving structure 42 to reach the second vehicle 94 and push the second vehicle 94. It can be seen that the single-power double-vehicle clamping and releasing device 100 of the present invention only relies on the single power of the linear driving unit 3 to simultaneously complete the clamping and releasing of two vehicles, effectively reducing the equipment cost.
[0047] In other embodiments, the elastic resetting member is not provided.
[0048] In other embodiments, only one guide rail and one slider are provided.
[0049] In other embodiments, only one tension spring is provided.
[0050] In other embodiments, the linear driving unit is a linear module.
[0051] Finally, it should be emphasized that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A single-power dual-carrier loosening device, comprising a linear drive unit and a first pushing structure, wherein the linear drive unit comprises a main body and an output end movable in a first direction relative to the main body, and the first pushing structure is connected to the output end; Features: The single-power dual-carrier clamp release device further includes a fixed structure and a sliding structure that are slidably connected along a first direction, and the main body is fixedly connected to the sliding structure; Under the guidance of the sliding structure, the main body can move along the first direction between a retracted position and an extended position; The single-power dual-carrier clamping device further includes a second pushing structure, the second pushing structure is connected to the main body, and the first pushing structure and the second pushing structure are arranged opposite to each other along the first direction.
2. The single-power dual-carrier clamp release device according to claim 1, characterized in that: The single-power dual-carrier clamping release device also includes an elastic reset member, which is connected between the fixed structure and the sliding structure. Under the restoring force of the elastic reset member, the main body tends to reset to the retracted position.
3. The single-power dual-carrier clamp release device according to claim 2, characterized in that: The elastic return member is a tension spring, and the tension spring is pulled between the fixed structure and the sliding structure.
4. The single-power dual-carrier clamp release device according to claim 3, characterized in that: The fixed structure includes a slide rail arranged along the first direction, and the sliding structure includes a slider, which cooperates with the slide rail.
5. The single-power dual-carrier clamp release device according to claim 4, characterized in that: The sliding structure further comprises a sliding seat, and the sliding block, the sliding seat and the main body are connected in sequence; Along a second direction perpendicular to the first direction, the two sliding blocks are respectively arranged on opposite sides of the sliding seat, and the fixing structure includes two sliding rails arranged in sequence.
6. The single-power dual-carrier clamp release device according to claim 5, characterized in that: The fixing structure further comprises a fixing seat and a limiting member, and the slide rail and the limiting member are sequentially arranged on the fixing seat along the first direction; The tension spring is pulled between the sliding seat and the limiting member; In a direction from the extended position to the retracted position, the limiting member limits the sliding seat from the front.
7. The single-power dual-carrier clamp release device according to any one of claims 1 to 6, characterized in that: The first pushing structure and the second pushing structure are at the same level.
8. An automatic line, comprising a transport line and a carrier circulating on the transport line, wherein the automatic line comprises a station requiring unclamping and a carrier unclamping device corresponding to the station requiring unclamping; Features: The carrier unclamping device adopts the single-powered dual-carrier unclamping device as described in any one of claims 1 to 7 above; The workstations to be unclamped include a first workstation and a second workstation that are relatively arranged along the first direction, and the carrier includes a first carrier that reaches the first workstation and a second carrier that reaches the second workstation; The single-power dual-carrier clamping device is arranged between the first station and the second station along the first direction; When the main body is in the retracted position and the output end is in the starting position, in the first direction, the first distance between the first carrier and the first pushing structure is less than the maximum stroke of the linear drive unit, and the second distance between the second carrier and the second pushing structure is less than the difference between the maximum stroke and the first distance.
9. The automatic line according to claim 8, characterized in that: The linear drive unit sequentially passes through the first stage and the second stage when reaching the maximum stroke: In the first stage, the output end drives the first driving structure to translate to the first carrier; In the second stage, the first carrier restricts the output end from moving forward and forces the main body to move from the retracted position to the extended position, so as to drive the second pushing structure to translate to the second carrier.
10. The automatic line according to claim 8 or 9, characterized in that: The transport line is a circulation line, one of the first station and the second station is a loading station, and the other of the first station and the second station is an unloading station.