Pulley wire storage mechanism and PCB conveying device
The pulley-driven wire storage mechanism solves the problems of large space occupation by cable chains and wire harness winding, achieving stable wire harness transportation and improving the integration and cost-effectiveness of automatic loading and unloading devices.
Patent Information
- Application Number
- CN202423132486.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-18
AI Technical Summary
In existing technologies, cable chains occupy a large space, and the wire harnesses are prone to tangling during movement, which affects the integrated design and stability of automatic loading and unloading devices.
The cable storage mechanism employs a pulley system, including a guide rail, a fixed pulley assembly, and a movable pulley assembly. The cable harness passes around the fixed and movable pulleys and is then connected to a fixing component. The movable pulley assembly moves on the guide rail to ensure that the cable harness remains taut and to prevent tangling.
It effectively reduces wire harness entanglement accidents, improves the integrated design of automatic loading and unloading devices, and reduces space occupation and manufacturing costs.
Smart Images
Figure CN223606843U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to mechanical device technical field, especially, relate to a pulley line storage mechanism and PCB board conveying device. BACKGROUND
[0002] With the rapid development of consumer electronics and automobile industry, the circuit board industry also develops rapidly, and the demand is increasing. Automatic processing equipment can realize the automatic processing (milling) of circuit board. In order to improve the processing efficiency of circuit board, the processing table is provided with an automatic feeding and discharging device, which can realize the automatic feeding and discharging function of the processing table.
[0003] The automatic feeding and discharging device usually includes a rack and a moving part movably installed on the rack. The moving part can push the circuit board on the rack to the processing table, and also can push the circuit board on the processing table to the rack. The moving part needs to move on the rack, so the moving part needs to be provided with electric devices such as drag chain and wire harness. The drag chain needs to occupy a large space, which is not conducive to the integrated design of the feeding and discharging device. The wire harness may be wound during the movement of the moving part. SUMMARY
[0004] The utility model discloses in view of the technical problem that the drag chain in prior art occupies large space and the wire harness exists winding, provides a pulley line storage mechanism and PCB board conveying device.
[0005] In view of the above technical problem, the utility model embodiment provides a pulley line storage mechanism, which comprises a guide rail, a fixing part, a fixed pulley assembly and a movable pulley assembly slidably installed on the guide rail. One end of the wire harness to be limited is connected to the fixing part after sequentially winding around the fixed pulley assembly and the movable pulley assembly. The wire harness to be limited can drive the movable pulley assembly to move in the first direction on the guide rail.
[0006] Optionally, the fixed pulley assembly comprises a fixed pulley shaft and a plurality of fixed pulley bodies rotatably installed on the fixed pulley shaft.
[0007] The movable pulley assembly comprises a movable pulley shaft and a plurality of movable pulley bodies rotatably installed on the movable pulley shaft.
[0008] Optionally, the movable pulley assembly further comprises a limiting part, and the limiting part comprises a limiting arm and a first supporting arm and a second supporting arm connected to opposite ends of the limiting arm.
[0009] The first supporting arm and the second supporting arm are both rotatably installed on the movable pulley shaft, and all the movable pulley bodies are located between the first supporting arm and the second supporting arm. The limiting part is used for limiting the wire harness on the movable pulley body.
[0010] Optionally, the pulley wire storage mechanism further comprises a counterweight movably mounted on the guide rail, and the movable pulley assembly is mounted on the counterweight, and the counterweight is movably connected with the guide rail.
[0011] Optionally, the fixing member comprises a first clamping block provided with a first recess and a second clamping block provided with a second recess, the first clamping block is mounted on the second clamping block, and the first recess and the second recess enclose a first clamping hole for clamping the wire harness to be limited.
[0012] Optionally, the pulley wire storage mechanism further comprises a wire clamp, the wire clamp comprises a third clamping block provided with a third recess and a fourth clamping block provided with a fourth recess, the third clamping block is mounted on the fourth clamping block, the third recess and the fourth recess enclose a second clamping hole, and an end of the wire harness to be limited is inserted into the second clamping hole away from the fixing member.
[0013] Optionally, the pulley wire storage mechanism further comprises a limiting assembly provided with a limiting slot, and an end of the wire harness to be limited is sequentially connected to the fixing member through the limiting slot, the fixed pulley assembly and the movable pulley assembly.
[0014] Optionally, the limiting assembly comprises a support rod, a first elastic member, a second elastic member, and a first limiting arm and a second limiting arm movably mounted on the support rod, the first elastic member is sleeved on the support rod and connected to the first limiting arm, the second elastic member is sleeved on the support rod and connected to the second limiting arm, and the limiting slot is arranged between the first limiting arm, the second limiting arm and the support rod.
[0015] Another embodiment of the utility model further provides a PCB conveying device, including conveying piece, support frame, wire harness and above-mentioned pulley wire storage mechanism, the conveying piece removes installation on support frame and is used for driving PCB removal, the guide rail, the fixing member and the fixed pulley assembly all install on support frame,
[0016] One end of the wire harness is electrically connected to the conveying piece, and one end of the conveying piece is connected to the fixing member after sequentially passing through the fixed pulley assembly and the movable pulley assembly.
[0017] Optionally, the PCB conveying device further comprises a support beam provided with a guide member, and the conveying piece is mounted on the support beam; the support frame is provided with a guide groove, and the support beam is movably mounted on the support frame through the guide member extending into the guide groove.
[0018] The fixed pulley assembly, the fixing piece and the guide rail are fixedly installed on the external support frame, and the movable pulley assembly can move along the vertical direction on the guide rail; one end of the to-be-restricted wire harness is connected with the conveying piece on the external support frame, and the other end is sequentially connected with the fixing piece after passing through the fixed pulley assembly and the movable pulley assembly; the to-be-restricted wire harness is accommodated on the pulley wire storage mechanism; during the movement of the conveying piece on the external support frame, the movable pulley assembly moves on the guide rail, and the to-be-restricted wire harness is in a straightened state, so that the winding accident of the to-be-restricted wire harness during the movement of the conveying piece is avoided. Moreover, the pulley wire storage mechanism has the advantages of simple structure, small occupied space and low manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model is further explained in connection with the drawings and examples.
[0020] Figure 1 Part structure schematic view of mechanical mechanism provided by an embodiment of the utility model is shown in the figure;
[0021] Figure 2 Part structure schematic view of the fixed pulley assembly is shown in the figure; Figure 1 Part structure schematic view of the fixed pulley assembly is shown in the figure;
[0022] Figure 3 Part structure schematic view of the fixed pulley assembly is shown in the figure; Figure 1 Part structure schematic view of the fixed pulley assembly is shown in the figure;
[0023] Figure 4 Part structure schematic view of the fixed pulley assembly is shown in the figure; Figure 1 Part structure schematic view of the fixed pulley assembly is shown in the figure;
[0024] Figure 5 Part structure schematic view of the fixed pulley assembly is shown in the figure; Figure 1 Part structure schematic view of the fixed pulley assembly is shown in the figure;
[0025] Figure 6 Structure schematic view of the movable pulley assembly of the pulley wire storage mechanism provided by an embodiment of the utility model is shown in the figure.
[0026] The reference signs in the specification are as follows:
[0027] 1, guide rail; 2, fixing piece; 21, first clamping block; 211, first groove; 22, second clamping block; 221, second groove; 3, fixed pulley assembly; 31, fixed pulley shaft; 32, fixed pulley body; 4, movable pulley assembly; 41, movable pulley shaft; 42, movable pulley body; 43, limiting piece; 431, limiting arm; 432, first supporting arm; 433, second supporting arm; 5, counterweight; 6, wire clamp; 61, third clamping block; 611, third groove; 62, fourth clamping block; 621, fourth groove; 7, limiting assembly; 71, limiting groove; 72, supporting rod; 73, first limiting arm; 74, second limiting arm; 81, conveying piece; 82, support frame; 83, wire harness; 84, guide piece; 85, guide groove; 86, support beam. DETAILED DESCRIPTION
[0028] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.
[0029] It should be understood that the terms "upper", "lower", "left", "right", "front", "back", "middle" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.
[0030] In the utility model, the first direction is the Z direction in the fixed pulley assembly 3 and the movable pulley assembly 4. Figure 1
[0031] As shown in Figure 1 An embodiment of the utility model provides a pulley wire storage mechanism, which comprises a guide rail 1, a fixing piece 2, a fixed pulley assembly 3 and a movable pulley assembly 4 slidably installed on the guide rail 1, one end of a wire harness to be limited 83 is sequentially wound around the fixed pulley assembly 3 and the movable pulley assembly 4 and then connected to the fixing piece 2, and the wire harness to be limited 83 can drive the movable pulley assembly 4 to move along the first direction on the guide rail 1.
[0032] The utility model discloses a fixed pulley assembly 3, the fixed part 2 and the guide rail 1 are all fixedly installed on the external support frame 82, and the movable pulley assembly 4 can move along the vertical direction on the guide rail 1, and the conveying part 81 of the external support frame 82 is connected to the waiting restriction wire harness 83 one end, and the other end is connected to the fixed part 2 after sequentially passing through the fixed pulley assembly 3 and the movable pulley assembly 4, the waiting restriction wire harness 83 is accommodated on the pulley wire storage mechanism, and the movable pulley assembly 4 moves on the guide rail 1 in the process that the conveying part 81 moves on the external support frame 82, and the waiting restriction wire harness 83 is in the straightened state, thereby avoiding the winding accident of the waiting restriction wire harness 83 in the process that the conveying part 81 moves. And, the pulley wire storage mechanism has simple structure, small occupied space and low manufacturing cost.
[0033] In one embodiment, as shown in Figure 4 And Figure 6 The fixed pulley assembly 3 includes a fixed pulley shaft 31 and a plurality of fixed pulley bodies 32 rotatably installed on the fixed pulley shaft 31. Understandably, the number of fixed pulley bodies 32 can be set according to actual needs, for example, the fixed pulley body 32 is provided with 3, 4, etc.
[0034] The movable pulley assembly 4 includes a movable pulley shaft 41 and a plurality of movable pulley bodies 42 rotatably installed on the movable pulley shaft 41. Understandably, the number of movable pulley bodies 42 can be set according to actual needs, for example, the movable pulley body 42 is provided with 3, 4, etc.
[0035] In this embodiment, when the waiting restriction wire harness 83 is wound on one fixed pulley body 32 and one fixed pulley body 32, the sliding distance of the movable pulley assembly 4 on the guide rail 1 is about half of the moving distance of the conveying part 81; when the waiting restriction wire harness 83 is wound on two fixed pulley bodies 32 and two fixed pulley bodies 32, the sliding distance of the movable pulley assembly 4 on the guide rail 1 is about one fourth of the moving distance of the conveying part 81. In this embodiment, the waiting restriction wire harness 83 can be wound on a plurality of fixed pulley bodies 32 and a plurality of fixed pulley bodies 32, which shortens the moving distance of the movable pulley assembly 4 on the guide rail 1, further improves the compactness of the pulley wire storage mechanism, and further reduces the occupied space of the pulley wire storage mechanism.
[0036] In one embodiment, as shown in Figure 1 And Figure 6As shown, the movable pulley assembly 4 further comprises a limiting piece 43, which comprises a limiting arm 431 and a first supporting arm 432 and a second supporting arm 433 connecting opposite ends of the limiting arm 431; the first supporting arm 432 and the second supporting arm 433 are both rotationally installed on the movable pulley shaft 41, and all the movable pulley bodies 42 are located between the first supporting arm 432 and the second supporting arm 433; the limiting piece 43 is used for limiting the wire harness 83 on the movable pulley body 42. Understandably, the limiting arm 431 is located outside the plurality of movable pulley bodies 42, so that the limiting arm 431 can limit the wire harness 83 to be limited on the movable pulley body 42, avoid the separation accident of the wire harness 83 to be limited and the movable pulley body 42, and ensure the stability of the wire harness 83 to be limited wound on the movable pulley body 42.
[0037] In an embodiment, as shown in Figure 1 As shown, the pulley wire storage mechanism further comprises a counterweight 5 slidingly installed on the guide rail 1, the movable pulley assembly 4 is installed on the counterweight 5, and the counterweight 5 is movably connected with the guide rail 1. Understandably, the counterweight 5 can select different weights according to the conveying member 81, and a plurality of counterweights 5 can be installed on the guide rail 1 according to actual needs; the movable pulley assembly 4 is slidingly installed on the guide rail 1 through the counterweight 5. In this embodiment, the movable pulley assembly 4 is slidingly installed on the guide rail 1 through the counterweight 5, which ensures the stability of the movable pulley assembly 4 sliding on the guide rail 1.
[0038] In an embodiment, as shown in Figure 1 and Figure 5 As shown, the fixing piece 2 comprises a first clamping block 21 provided with a first recess 211 and a second clamping block 22 provided with a second recess 221, the first clamping block 21 is installed on the second clamping block 22, and the first recess 211 and the second recess 221 enclose a first clamping hole for clamping the wire harness 83 to be limited. Understandably, the first clamping block 21 and the second clamping block 22 can be connected by screws, bolts and other fixing pieces 2, and the first clamping block 21 and the second clamping block 22 can clamp the wire harness 83 to be limited in the first clamping hole when combined. In this embodiment, the disassembly and assembly operation between the fixing piece 2 and the wire harness 83 to be displayed is simple.
[0039] In an embodiment, as shown in Figure 1 and Figure 2As shown, the wire storage mechanism further comprises a wire clamp 6, the wire clamp 6 comprises a third clamp block 61 provided with a third groove 611 and a fourth clamp block 62 provided with a fourth groove 621, the third clamp block 61 is installed on the fourth clamp block 62, the third groove 611 and the fourth groove 621 enclose a second clamp hole, and one end of the wire bundle 83 to be limited away from the fixing part 2 is inserted into the second clamp hole. Understandably, the wire clamp 6 can be installed on the conveying part 81, which ensures the stability of the connection between the wire bundle 83 to be limited and the conveying part 81. The third clamp block 61 and the fourth clamp block 62 can be connected by screws, bolts and the like fixing part 2, and the wire bundle 83 to be limited can be clamped in the second clamp hole when the third clamp block 61 and the fourth clamp block 62 are combined. In this embodiment, the disassembly and assembly operation between the wire clamp 6 and the wire bundle 83 to be displayed is simple.
[0040] In an embodiment, as shown in Figure 1 and Figure 3 As shown, the wire storage mechanism further comprises a limiting assembly 7 provided with a limiting groove 71, the limiting assembly 7 is provided with a limiting groove 71, and one end of the wire bundle 83 to be limited sequentially passes through the limiting groove 71, bypasses the fixed pulley assembly 3 and the movable pulley assembly 4, and is connected to the fixing part 2. Understandably, the limiting assembly 7 is installed on the external support frame 82, and the limiting assembly 7 can guide the wire bundle 83 to be limited, further ensuring the stability of the wire bundle 83 to be limited installed on the external support frame 82.
[0041] In an embodiment, as shown in Figure 1 and Figure 3 As shown, the limiting assembly 7 comprises a support rod 72, a first elastic member (not shown in the figure), a second elastic member (not shown in the figure), and a first limiting arm 73 and a second limiting arm 74 spaced and rotatably installed on the support rod 72, the first elastic member is sleeved on the support rod 72 and connected to the first limiting arm 73, the second elastic member is sleeved on the support rod 72 and connected to the second limiting arm 74, and the limiting groove 71 is arranged between the first limiting arm 73, the second limiting arm 74 and the support rod 72. Understandably, the support rod 72 is installed on the external support frame 82; the first elastic member and the second elastic member each comprise but are not limited to a spring, a torsion spring and the like, and the first limiting arm 73 and the second limiting arm 74 can rotate around the support rod 72.
[0042] Specifically, when the conveying member 81 does not push the first limiting arm 73 and the second limiting arm 74, the first limiting arm 73 and the second limiting arm 74 are both towards the upper, the line harness 83 to be limited can pass through the limiting groove 71; when the conveying member 81 pushes the first limiting arm 73 and the second limiting arm 74, the first limiting arm 73 and the second limiting arm 74 can both rotate around the support rod 72, so that the conveying member 81 can pass through the limiting assembly 7; after the conveying member 81 passes through the limiting assembly 7, the first elastic member drives the first limiting arm 73 to rotate to the reset state, and the second elastic member drives the second limiting arm 74 to rotate to the reset state. In the embodiment, the limiting assembly 7 does not interfere with the conveying member 81.
[0043] As Figure 1 shown, the utility model discloses another embodiment still provides a kind of PCB board conveying device, including conveying member 81, support frame 82, line harness 83 and the pulley wire storage mechanism described above;The conveying member 81 moves and is installed on the support frame 82 and is used to drive PCB board (Printed Circuit Board, printed circuit board) movement, the guide rail 1, the fixed part 2 and the fixed pulley assembly 3 are all installed on the support frame 82;It can be understood that the conveying member 81 includes but is not limited to motor etc., and the PCB board conveying device includes but is not limited to feeding device, discharging device etc., so that the PCB board conveying device can realize the feeding and discharging function of workbench (PCB board is conveyed to workbench, or the PCB board on workbench is taken down).
[0044] One end of the line harness 83 is electrically connected to the conveying member 81, and one end of the conveying member 81 is connected to the fixed part 2 after sequentially passing through the fixed pulley assembly 3 and the movable pulley assembly 4. It can be understood that the limiting assembly 7 is installed on the conveying member 81, and the limiting assembly 7 ensures the stability of the connection between the line harness 83 and the conveying member 81.
[0045] In the utility model, the pulley wire storage mechanism can have the technical effect of storing the line harness 83 of the conveying member 81. During the movement of the conveying member 81 on the support frame 82, the movable pulley assembly 4 moves on the guide rail 1, and the line harness 83 to be limited is in a straightened state, thereby avoiding the entanglement of the line harness 83 to be limited during the movement of the conveying member 81. Moreover, the PCB board conveying device has the advantages of simple structure, small space occupation and low manufacturing cost.
[0046] In an embodiment, as Figure 1As shown, the PCB conveying device further comprises a support beam 86 provided with a guide 84, and the conveying member 81 is mounted on the support beam 86; the support frame 82 is provided with a guide groove 85, and the support beam 86 is movably mounted on the support frame 82 through the guide 84 extending into the guide groove 85. Understandably, the guide groove 85 is a long strip-shaped groove, and the guide 84 includes but is not limited to a guide wheel, a guide rod, etc.; and the support beam 86 can be movably mounted on the support frame 82 through a gear and rack assembly, etc. In this embodiment, during the driving of the conveying member 81 to move the support beam 86 on the support frame 82, the guide 84 slides in the guide groove 85, thereby ensuring the stability of the movement of the support beam 86 on the support frame 82.
[0047] The above is only an embodiment of the pulley wire storage mechanism and the PCB conveying device of the present application, and is not used to limit the present application, and any modification, equivalent replacement and 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 pulley line storage mechanism characterized by, The pulley wire storage mechanism comprises a guide rail, a fixing member, a fixed pulley assembly and a movable pulley assembly which is slidably mounted on the guide rail; one end of a wire to be limited is connected to the fixing member after sequentially passing through the fixed pulley assembly and the movable pulley assembly.
2. The pulley wire storage mechanism of claim 1, wherein, The fixed pulley assembly comprises a fixed pulley shaft and a plurality of fixed pulley bodies which are rotatably mounted on the fixed pulley shaft. The movable pulley assembly comprises a movable pulley shaft and a plurality of movable pulley bodies which are rotatably mounted on the movable pulley shaft.
3. The pulley wire storage mechanism of claim 2, wherein, The movable pulley assembly further comprises a limiting member which comprises a limiting arm and first and second supporting arms connected to opposite ends of the limiting arm. The first and second supporting arms are rotatably mounted on the movable pulley shaft, and all the movable pulley bodies are located between the first and second supporting arms; the limiting member is used for limiting the wire on the movable pulley bodies.
4. The pulley wire storage mechanism of claim 1, wherein, The pulley wire storage mechanism further comprises a counterweight which is slidably mounted on the guide rail, and the movable pulley assembly is mounted on the counterweight, and the counterweight is movably connected to the guide rail.
5. The pulley wire storage mechanism of claim 1, wherein, The fixing member comprises a first clamping block provided with a first recess and a second clamping block provided with a second recess, the first clamping block is mounted on the second clamping block, and the first and second recesses enclose a first clamping hole for clamping the wire to be limited.
6. The pulley wire storage mechanism of claim 1, wherein, The pulley wire storage mechanism further comprises a wire clamp which comprises a third clamping block provided with a third recess and a fourth clamping block provided with a fourth recess, the third clamping block is mounted on the fourth clamping block, the third and fourth recesses enclose a second clamping hole, and one end of the wire to be limited away from the fixing member is inserted into the second clamping hole.
7. The pulley wire storage mechanism of claim 1, wherein, The pulley wire storage mechanism further comprises a limiting assembly provided with a limiting slot, one end of the wire to be limited sequentially passes through the limiting slot, passes through the fixed pulley assembly and the movable pulley assembly, and then is connected to the fixing member.
8. The pulley wire storage mechanism of claim 7, wherein, The limiting assembly comprises a supporting rod, first and second elastic members, and first and second limiting arms which are rotatably mounted on the supporting rod, the first elastic member is sleeved on the supporting rod and connected to the first limiting arm, the second elastic member is sleeved on the supporting rod and connected to the second limiting arm, and the limiting slot is arranged between the first and second limiting arms and the supporting rod.
9. A PCB board conveying apparatus characterized by comprising: The pulley wire storage mechanism comprises a conveying member, a supporting frame, a wire and the pulley wire storage mechanism according to any one of claims 1 to 8; the conveying member is movably mounted on the supporting frame and used for moving a PCB board, and the guide rail, the fixing member and the fixed pulley assembly are all mounted on the supporting frame. One end of the wire is electrically connected to the conveying member, and one end of the conveying member is connected to the fixing member after sequentially passing through the fixed pulley assembly and the movable pulley assembly.
10. The PCB board conveying apparatus according to claim 9, wherein The PCB conveying device further comprises a support beam provided with a guide element, and the conveying element is mounted on the support beam; the support frame is provided with a guide groove, and the support beam is movably mounted on the support frame through the guide element extending into the guide groove.