Positioning device before injection molding of cylindrical FPC (Flexible Printed Circuit)
By combining clamping and pressing mechanisms, the problem of misfitting between the FPC and the placement slot was solved, enabling efficient and stable injection molding of the Bluetooth headset power conversion chip, improving product quality and reducing labor costs.
Patent Information
- Application Number
- CN202422674645.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The existing Bluetooth headset power conversion chip does not fit properly between the FPC and the placement slot before injection molding, resulting in increased thickness after injection molding and affecting product quality.
A positioning device including a clamping mechanism and a pressing mechanism is adopted. The clamping block and the pressing block are controlled by the main control unit to automatically clamp and press the FPC, ensuring that the FPC fits tightly with the placement block.
It improves processing efficiency and quality, reduces labor costs, and ensures the stability and reliability of the processing process.
Smart Images

Figure CN223520061U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the positioning device technical field before the injection molding of tubular FPC especially points to a positioning device before the injection molding of tubular FPC. BACKGROUND
[0002] At present, earphone as a kind of electroacoustic device has been closely linked with people's daily life, work, whether at home, outdoors or important meeting site, hearing test and so on, it is not difficult to find the existence of earphone, earphone has become the symbol of people's portable sound.
[0003] Bluetooth earphone is to apply bluetooth technology to hands-free earphone, so that users can be free from the annoyance of wire, freely communicate in various ways, it can operate computer, and can keep communicating, in addition, bluetooth technology is most widely used in daily life is in the support of bluetooth mobile phone communication equipment, such as mobile phone bluetooth earphone, bluetooth makes driving safer.
[0004] The power conversion chip of the existing bluetooth earphone generally includes FPC, power chip main body and two-end open cylinder shell, the power chip main body is located in the cylinder shell, one end of FPC extends into the cylinder shell and is connected with the power chip main body, the other end of FPC extends out of the cylinder shell.
[0005] The existing power conversion chip needs to be injection molded, and it needs to be placed in the placement slot of mold core before injection molding, but FPC does not fit with the placement slot, so that the thickness after injection molding is increased, which affects the quality of product.
[0006] Therefore, in the utility model patent application, the applicant carefully studies a positioning device before the injection molding of tubular FPC to solve the above problems. CONTENT OF UTILITY MODEL
[0007] The utility model discloses in view of the above prior art existing insufficient, the purpose is to provide a kind of positioning device before the injection molding of tubular FPC, it makes the workpiece more fit placement block, it is convenient for subsequent processing, intelligent degree is higher, improve processing efficiency and processing quality, reduce labor cost;The whole positioning method is simple, and the intelligent degree is higher, while ensuring the stability and reliability of subsequent workpiece in the processing process.
[0008] To achieve the above purpose, the utility model takes the following technical scheme:
[0009] A kind of positioning device before the injection molding of tubular FPC, including rack, for placing workpiece placement block, for the FPC of workpiece located in placement block is transversely clamped clamping mechanism and for the vertical pressure of workpiece pressure mechanism;
[0010] The placing block is arranged on the upper end surface of the rack, and the clamping mechanism and the pressing mechanism are arranged on the rack.
[0011] The main control unit is further arranged and connected with the clamping mechanism and the pressing mechanism.
[0012] As a preferred solution, the pressing mechanism comprises a pressing block arranged above the placing block and a first driving cylinder for driving the pressing block to approach or move away from the placing block, and the first driving cylinder is connected with the main control unit.
[0013] As a preferred solution, the upper end surface of the placing block is concavely arranged with a first placing groove for placing a cylindrical shell of the workpiece and a first recess with an opening, and the first recess is communicated with the first placing groove.
[0014] The clamping mechanism comprises a clamping block and a driving mechanism for driving the clamping block to approach or move away from the recess, and the end surface of the clamping block facing the first recess is concavely arranged with a second recess matched with the first recess, the first recess and the second recess jointly form a second placing groove for placing the FPC of the workpiece, the driving mechanism drives the clamping block to approach or move away from the first recess to clamp or release the FPC of the workpiece in the second placing groove, and the driving mechanism is connected with the main control unit.
[0015] As a preferred solution, the placing block is suspended above the upper end surface of the rack, and a gap is kept between the placing block and the upper end surface of the rack.
[0016] The driving mechanism comprises a connecting piece and a second driving cylinder, the second driving cylinder is arranged in the gap, the upper end of the connecting piece is connected with the clamping block, and the output end of the second driving cylinder is connected with the lower end of the connecting piece to drive the clamping block to approach or move away from the first recess through the connecting piece.
[0017] As a preferred solution, the lower end surface of the clamping block is concavely arranged with a clamping groove, the upper end of the connecting piece is formed with a clamping convex, the clamping block is connected with the connecting piece, and the clamping convex is matched in the clamping groove.
[0018] As a preferred solution, the upper end surface of the placing block is further concavely arranged with a sliding groove for displacement of the clamping block, the clamping groove is communicated with the sliding groove, and the sliding groove is respectively communicated with the first recess and the second recess.
[0019] The clamping block is slidingly arranged in the sliding groove, and the end surface of the clamping block away from the first recess is connected with the inner side wall of the avoiding groove through an elastic reset piece.
[0020] As a preferred solution, the lower end surface of the placing block is concavely arranged with an avoiding groove, the upper end of the avoiding groove is communicated with the sliding groove, and the clamping convex of the upper end of the connecting piece is matched in the clamping groove through the avoiding groove and the sliding groove in sequence.
[0021] As a preferred solution, a control switch is arranged on the rack, and the control switch is connected to the master control unit.
[0022] The utility model discloses a kind of processing devices, including rack, main control unit, pressure mechanism and clamping mechanism, the rack is connected with main control unit, and the pressure mechanism is connected with main control unit, and the clamping mechanism is connected with main control unit.
[0023] To more clearly set forth the structural features and efficacy of the utility model, below, combining with specific embodiment and drawing, it is described in detail. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is the structure schematic diagram of preferred embodiment of the utility model;
[0025] Figure 2 It is another angle structure schematic diagram of preferred embodiment of the utility model;
[0026] Figure 3 It is the exploded structure schematic diagram of preferred embodiment of the utility model;
[0027] Figure 4 It is the structure schematic diagram of clamping mechanism of preferred embodiment of the utility model;
[0028] Figure 5 It is the exploded structure schematic diagram of clamping mechanism of preferred embodiment of the utility model;
[0029] Figure 6 It is the structure schematic diagram of placing block of preferred embodiment of the utility model;
[0030] Figure 7 It is the overhead view of placing block of preferred embodiment of the utility model;
[0031] Figure 8 It is the local enlarged sectional view (mainly show second placing groove) of preferred embodiment of the utility model.
[0032] EXPLANATION OF DRAWINGS:
[0033] 10, rack
[0034] 20, placing block
[0035] 21, sliding groove 22, avoiding groove
[0036] 23, first placing groove 24, first recess
[0037] 25, second placing groove
[0038] 30, clamping mechanism
[0039] 31, clamping block 311, clamping slot
[0040] 32, second recess 33, elastic reset member
[0041] 34, connecting piece 341, clamping convex
[0042] 35, second drive cylinder
[0043] 40, pressing mechanism
[0044] 41, pressing block 42, first drive cylinder
[0045] 51, manual switch 52, left handle
[0046] 53, right handle 54, main control unit DETAILED DESCRIPTION
[0047] The utility model will be further described below in combination with the drawings and specific embodiments.
[0048] As Figures 1 to 8 shown, a positioning device before cylindrical FPC injection molding, including main control unit 54, frame 10, for placing the workpiece to be processed placing block 20, for the FPC of the workpiece to be processed located in placing block 20 transverse clamping clamping mechanism 30 and for the workpiece longitudinal pressing pressing mechanism 40, the main control unit 54 is connected clamping mechanism 30 and pressing mechanism 40 respectively.
[0049] The placing block 20 is arranged on the upper end surface of the frame 10. In this embodiment, the placing block 20 is suspended above the upper end surface of the frame 10, and a gap is maintained between the placing block 20 and the upper end surface of the frame 10. The upper end surface of the placing block 20 is also recessed with a sliding groove 21 for displacement of the clamping block 31. The lower end surface of the placing block 20 is recessed upwardly with a clearance groove 22, and the upper end of the clearance groove 22 is communicated with the sliding groove 21.
[0050] The upper end surface of the placing block 20 is recessed downwardly with a first placing groove 23 for placing the cylindrical shell of the workpiece to be processed and a first recess 24 with an open mouth, and the first recess 24 is communicated with the first placing groove 23.
[0051] The clamping mechanism 30 and the pressing mechanism 40 are both arranged on the frame 10.
[0052] In this embodiment, the pressing mechanism 40 includes a pressing block 41 located above the placing block 20 and a first drive cylinder 42 for driving the pressing block 41 to approach or move away from the placing block 20, and the first drive cylinder 42 is connected to the main control unit 54.
[0053] The clamping mechanism 30 comprises a clamping block 31 and a driving mechanism for driving the clamping block 31 to approach or move away from the groove, and the clamping block 31 is slidingly arranged in the sliding groove 21.
[0054] The end surface of the clamping block 31 facing the first groove 24 is outwardly concave and has a second groove 32 matched with the first groove 24, and the first groove 24 and the second groove 32 jointly form a second placement groove 25 for placing the FPC of the workpiece to be processed. The lower end surface of the clamping block 31 is concave and has a clamping groove 311, and the sliding groove 21 is communicated with the first groove 24 and the second groove 32, respectively.
[0055] The driving mechanism drives the clamping block 31 to approach or move away from the first groove 24 to clamp or release the FPC of the workpiece to be processed located in the second placement groove 25. The end surface of the clamping block 31 away from the first groove 24 is connected with the inner side wall of the avoiding groove 22 through an elastic reset member 33.
[0056] The driving mechanism is connected with the main control unit 54. The driving mechanism comprises a connecting member 34 and a second driving cylinder 35, the second driving cylinder 35 is located in the gap, the upper end of the connecting member 34 is connected with the clamping block 31, and the output end of the second driving cylinder 35 is connected with the lower end of the connecting member 34 to drive the clamping block 31 to approach or move away from the first groove 24 through the connecting member 34. In this embodiment, the upper end of the connecting member 34 is formed with a clamping convex 341, the clamping block 31 is connected with the connecting member 34, and the clamping convex 341 is matched in the clamping groove 311.
[0057] In this embodiment, the clamping convex 341 of the upper end of the connecting member 34 is matched in the clamping groove 311 through the avoiding groove 22 and the sliding groove 21 in sequence.
[0058] The control switch is connected with the main control unit 54, and the left handle 52 and the right handle 53 for carrying the rack 10 are also included. Preferably, the control switch is a manual switch 51. The left handle 52 and the right handle 53 are respectively arranged on the left and right sides of the placement block 20.
[0059] A positioning method for a cylindrical FPC before injection molding, based on the positioning device for the cylindrical FPC before injection molding, comprising the following steps:
[0060] Step 1, placing the workpiece to be processed in the placement block 20;
[0061] Step 2, clamping the FPC of the workpiece to be processed located in the placement block 20 transversely through the clamping mechanism 30;
[0062] Step 3, longitudinal compression of the FPC of the workpiece in the placement block 20 by the compression mechanism 40.
[0063] The utility model discloses design main points at, it mainly is through the cooperation of compression mechanism and clamping mechanism, can carry out the automation compression and clamping of workpiece, make the workpiece more fit the placement block, be convenient for subsequent processing, intelligent degree is higher, improve processing efficiency and processing quality, reduce the artificial cost, whole positioning method is simple, and the intelligent degree is higher, guarantees the stability and reliability of subsequent workpiece in the processing process simultaneously.
[0064] The above is only the preferred embodiment of the utility model, and does not make any limitation on the technical range of the utility model, so any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belong to the range of the technical scheme of the utility model.
Claims
1. A positioning device for a cylindrical FPC before injection molding, characterized by: The machine comprises a frame, a placing block for placing a workpiece, a clamping mechanism for clamping the FPC of the workpiece placed in the placing block, and a pressing mechanism for pressing the workpiece longitudinally. The placing block is arranged on the upper end surface of the frame, and the clamping mechanism and the pressing mechanism are arranged on the frame. The machine further comprises a main control unit connected to the clamping mechanism and the pressing mechanism.
2. The positioning device for cylindrical FPCs before injection molding according to claim 1, characterized in that: The pressing mechanism comprises a pressing block above the placing block and a first driving cylinder for driving the pressing block to approach or move away from the placing block, and the first driving cylinder is connected to the main control unit.
3. The positioning device for cylindrical FPCs before injection molding according to claim 1, characterized in that: The upper end surface of the placing block is concave downward and comprises a first placing groove for placing a cylindrical shell of the workpiece and a first recess with an opening, and the first recess is communicated with the first placing groove. The clamping mechanism comprises a clamping block and a driving mechanism for driving the clamping block to approach or move away from the recess, and the end surface of the clamping block facing the first recess is concave outward and comprises a second recess matched with the first recess, and the first recess and the second recess jointly form a second placing groove for placing the FPC of the workpiece, and the driving mechanism drives the clamping block to approach or move away from the first recess to clamp or release the FPC of the workpiece in the second placing groove, and the driving mechanism is connected to the main control unit.
4. The positioning device for FPCs before injection molding according to claim 3, characterized in that: The placing block is suspended above the upper end surface of the frame, and a gap is maintained between the placing block and the upper end surface of the frame. The driving mechanism comprises a connecting piece and a second driving cylinder, the second driving cylinder is located in the gap, the upper end of the connecting piece is connected to the clamping block, and the output end of the second driving cylinder is connected to the lower end of the connecting piece to drive the clamping block to approach or move away from the first recess through the connecting piece.
5. The positioning device for FPCs before injection molding according to claim 4, characterized in that: The lower end surface of the clamping block is concave and comprises a clamping groove, and the upper end of the connecting piece comprises a clamping protrusion, the clamping block is connected to the connecting piece, and the clamping protrusion is matched in the clamping groove.
6. The positioning device for FPCs before injection molding according to claim 5, characterized in that: The upper end surface of the placing block is further concave and comprises a sliding groove for displacement of the clamping block, and the clamping groove is communicated with the sliding groove, and the sliding groove is respectively communicated with the first recess and the second recess. The clamping block is slidingly arranged in the sliding groove, and the end surface of the clamping block away from the first recess is connected to the inner side wall of the avoiding groove through an elastic return piece.
7. The positioning device for FPCs before injection molding according to claim 6, characterized in that: The lower end surface of the placing block is concave upward and comprises an avoiding groove, the upper end of the avoiding groove is communicated with the sliding groove, and the clamping protrusion of the upper end of the connecting piece is matched in the clamping groove through the avoiding groove and the sliding groove.
8. The positioning device for FPCs before injection molding according to claim 1, characterized in that: The machine further comprises a control switch arranged on the frame, and the control switch is connected to the main control unit.