Pneumatic pressing frame structure of general test fixture
By designing the pneumatic press frame structure of the general test fixture and using cylinder components to control the pressing and separation of the upper and lower molds, the existing problems of large-scale and unreasonable design are solved, and the compact design and modular assembly of the fixture are realized, reducing cost and space occupation.
Patent Information
- Application Number
- CN202421658853.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The frame structure design of the existing bend and test fixtures is unreasonable, resulting in the unmodular combination of bend and inspection, resulting in large amounts of treatment.
A general test fixture pneumatic press frame structure is designed, including the press frame main body, the upper mold of the fixture, the lower mold of the fixture, the cylinder assembly and the electrical control box. The pressing and separation of the upper and lower molds is controlled through the cylinder assembly to achieve modular assembly and reduce the specific accumulation.
The fixture is achieved with a compact and reasonable structure, small size, convenient access and installation, and at the same time, it reduces the cost and space occupation of the fixture.
Smart Images
Figure CN222882741U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of FPC, ICT testing and corner bending, and specifically designs a pneumatic pressing frame structure of a universal testing fixture. Background Art
[0002] During the use and manufacturing process of flexible circuit boards, the flexible circuit boards will be bent according to usage requirements. Before bending, the circuit boards will first undergo a testing process to check whether the functions of the circuit boards are normal. Circuit boards with normal functions will then undergo subsequent bending processes.
[0003] The existing bending and testing fixtures are of split structure, especially the unreasonable design of the pressure frame structure, which leads to the failure of modular combination of bending and testing, resulting in a large volume of the entire fixture. Utility Model Content
[0004] The utility model aims to overcome at least one defect of the above-mentioned prior art and provide a pneumatic pressure frame structure of a universal test fixture to achieve the purpose of compact and reasonable structure and small volume.
[0005] The utility model provides a universal test jig pneumatic press frame structure, comprising a press frame body, a jig upper die, a jig lower die, a cylinder assembly and an electric control box; the press frame body comprises an upper press frame and a lower press frame; the jig upper die is arranged on the pressing surface of the upper press frame; the jig lower die is arranged on the pressing surface of the lower press frame; the electric control box extends from the bottom of the lower press frame to the back of the press frame body; the electric control box is integrated with a controller and power supply related components, which can be powered by plugging in or an internal battery, and can be started and stopped by being electrically connected to an external button; the cylinder module is pneumatically controlled by the controller to drive the lifting and lowering of the upper press frame and the lower press frame to achieve the pressing and separation of the jig upper die and the jig lower die.
[0006] The jig upper die and jig lower die are used to press the FPC. The cylinder assembly controls the jig upper die and the jig lower die respectively. The cylinder assembly realizes the automatic pressing or raising of the jig upper die or lower die through the connecting air pipe. The jig is modularly assembled onto a jig press frame, and the overall volume is compact and occupies little space. It is mainly suitable for single-piece testing of FPC or single-piece bending of FPC, with meeting customer requirements as the criterion. The pneumatic universal jig modular press frame mechanism reduces the area of the jig and greatly reduces the storage space of the jig. This is convenient for access and installation, and also reduces the cost of the jig.
[0007] Furthermore, a jig upper die pneumatic clamp is provided on the lower side of the upper press frame, and a jig lower die pneumatic clamp is provided on the lower press frame; the jig upper die is fixed on the jig upper die pneumatic clamp; and the jig lower die is fixed on the jig lower die pneumatic clamp.
[0008] The pneumatic clamp of the upper die of the jig is used to fix the upper die of the jig. The pneumatic clamp of the lower die of the jig is used to fix the lower die of the jig.
[0009] The utility model is also provided with a jig lower die positioning baffle, which plays a role in positioning the jig.
[0010] Furthermore, there are two groups of jig upper dies and two groups of jig lower dies; there are four groups of cylinder assemblies, which are respectively arranged on both sides of the upper press frame and the lower press frame, and each group of cylinder assemblies correspondingly controls one group of jig upper dies or jig lower dies.
[0011] Furthermore, a first barcode scanner is provided on the front of the pressing frame body for scanning a QR code.
[0012] Furthermore, a handle and a cable placement hole are provided on the top of the electric control box. The fixture cable placement port serves to facilitate the connection of the cable to the test equipment. The fixture handle serves to facilitate transportation.
[0013] Furthermore, a fixture air pipe through hole is provided on the side of the electric control box to facilitate the connection of the air pipe.
[0014] Furthermore, the electric control box is also provided with an emergency stop button and a start-stop button. The start button is used to raise the pneumatic fixture. The emergency stop button is used to stop the pneumatic fixture.
[0015] Furthermore, the upper mold of the fixture includes an upper mold main board, a test probe module, an upper mold bending knife mounting plate, an upper mold bending blade, a product pre-pressing plate, and upper and lower mold alignment pins; the upper mold bending knife mounting plate is arranged below the upper mold main board and is elastically connected to the upper mold main board; the upper mold bending blade is arranged at both ends of the bottom of the upper mold bending knife mounting plate; the test probe module is arranged at both ends of the bottom of the upper mold main board; the product pre-pressing plate is arranged in the middle of the bottom of the upper mold bending knife mounting plate; The lower die of the fixture includes a lower die main board, a lower die bending blade, a product placement positioning pin, an alignment hole, and a lower die test steel sheet grounding copper plate; in the pressed state, the product is fixed by the product placement positioning pin, and the upper and lower die alignment pins pass through the alignment holes; the product pre-pressing plate is clamped between the upper die main board and the lower die main board, the upper die bending blade and the lower die bending blade press and bend the product, and the test probe module and the lower die test steel sheet grounding copper plate are used to cooperate with the product to be tested.
[0016] Furthermore, a test module pressing plate, a plurality of bending pressure springs and a plurality of product pre-pressure springs are also provided on the upper side of the upper mold of the fixture; one end of the bending pressure spring is connected to the pressing surface of the upper press frame, and the other end is connected to the test module pressing plate; one end of the product pre-pressure spring is connected to the pressing surface of the upper press frame, and the other end passes through the upper mold main board and is connected to the upper mold bending knife mounting plate.
[0017] Furthermore, detection grooves and height limit plates are provided at both ends of the pressing surface of the jig lower die; the lower die test steel sheet is provided in the detection groove; in the pressing state, the test probe module is embedded in the detection groove; the bottom vacuum airtight pad of the jig lower die, in another embodiment of the utility model, a mounting plate and a second barcode scanner are also provided at the bottom of the jig lower die. Some products have QR codes facing upwards and some have QR codes facing downwards. Therefore, the utility model selects the position where the barcode scanner is installed under the electric control box or the jig lower die according to the orientation of the product QR code. The second barcode scanner is fixed to the bottom of the jig lower die through the mounting plate.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] The utility model fixes the modular jig by making a universal jig frame, which is small, convenient and occupies little space, thus solving the problem of jig cost and space utilization. The universal jig test frame can also be used to bend products to realize the process of pneumatic bending FPC. Through experiments, pneumatic bending can make the bending effect of the product more consistent and stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a three-dimensional structural schematic diagram of the pneumatic press frame structure of the universal test fixture of the utility model.
[0021] Figure 2 It is a schematic diagram of the side view structure of the upper mold of the fixture.
[0022] Figure 3 It is a schematic diagram of the side view structure of the lower mold of the fixture.
[0023] Figure 4 It is a schematic diagram of the side view structure of the lower mold of the fixture.
[0024] Figure 5 It is a schematic diagram of the three-dimensional structure when the upper mold and the lower mold of the jig are pressed together.
[0025] Figure 6 This is a schematic diagram of the top view of the upper mold structure of the fixture. DETAILED DESCRIPTION
[0026] The drawings in the embodiments provide a more detailed description of the technical solutions in the embodiments of the utility model. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of the utility model, not all of them. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain the utility model, and should not be construed as limitations on the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. The embodiments of the utility model are described in detail below in conjunction with the drawings.
[0027] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0028] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.
[0029] Example 1
[0030] This embodiment provides a general test fixture pneumatic press frame structure, such as Figure 1As shown, it includes an upper press frame 1, a jig upper die pneumatic clamp 2, and a jig upper die 3; a lower press frame 4, a jig lower die pneumatic clamp 5, and a jig lower die 6; a cylinder assembly 7, an electric control box 8, and a first barcode scanner 9; the upper press frame 1 is provided with a jig upper die pneumatic clamp 2 and a jig upper die 3 in sequence; the lower press frame 4 is provided with a jig lower die pneumatic clamp 5 and a jig lower die 6 in sequence; the electric control box 8 is from the bottom of the lower press frame 4; the electric control box 8 is integrated with a controller and power-related components, which can be powered by plugging in or an internal battery, and can be started and stopped by being electrically connected to an external button; the electric control box 8 is connected to the back of the upper press frame 1 and the lower press frame 4, and a handle 10 and a cable placement hole 11 are provided on the top of the back of the entire box. The side of the electric control box 8 is also provided with a jig air pipe through hole 12, which is convenient for connecting the air pipe. The electric control box 8 is also provided with an emergency stop button 13 and a start-stop button 14. The start button starts the pneumatic jig to rise. The emergency stop button 13 starts the emergency stop. The first barcode scanner 9 is arranged above the electric control box 8 to scan the product QR code. The lower pressing frame 4 is also provided with a jig lower mold 6 positioning baffle to position the jig lower mold 6.
[0031] In this embodiment, the jig upper mold 3 and the jig lower mold 6 are each provided with two groups; the cylinder assembly 7 is four groups, which are respectively arranged on both sides of the upper pressing frame 1 and the lower pressing frame 4, and each group of the cylinder assembly 7 controls a group of jig upper mold 3 or jig lower mold 6.
[0032] Combination Figure 2 As shown, the upper mold 3 of the fixture includes an upper mold main board 31, a test probe module 32, an upper mold bending knife mounting plate 33, an upper mold bending blade 34, a product pre-pressing plate 35, and upper and lower mold alignment pins 36; the upper mold bending knife mounting plate 33 is an elastic plate, which is arranged below the upper mold main board 31 and is elastically connected to the upper mold main board 31; the upper mold bending blade 34 is arranged at both ends of the bottom of the upper mold bending knife mounting plate 33; the test probe module 32 is arranged at both ends of the bottom of the upper mold main board 31; the product pre-pressing plate 35 is arranged in the middle of the bottom of the upper mold bending knife mounting plate 33; Figures 3-4 As shown, the jig lower die 6 includes a lower die main board 61, a lower die bending blade 62, a product placement positioning pin 63, a positioning hole 64 and a lower die test steel sheet grounding copper plate 65; Figure 5As shown, in the pressed state, the product is fixed by the product placement positioning pin 63, and the upper and lower mold alignment pins 36 pass through the alignment holes 64; the product pre-pressing plate 35 is sandwiched between the upper mold main board 31 and the lower mold main board 61, and the upper mold bending blade 34 and the lower mold bending blade 62 press and bend the product, and the test probe module 32 and the lower mold test steel sheet grounding copper plate 65 are used to cooperate with the product to detect. The upper mold bending blade 34 is in a 7-shaped shape, and the lower mold bending blade 62 is in an L-shaped shape. The bending of the circuit board can be achieved by pressing the two together.
[0033] Combination Figure 1 and Figure 6 As shown, a test module pressing plate 37, a plurality of bending pressure springs 38 and a plurality of product pre-pressure springs 39 are also provided on the upper side of the jig upper mold 3; one end of the bending pressure spring 38 is connected to the pressing surface of the upper press frame 1, and the other end is connected to the test module pressing plate 37; one end of the product pre-pressure spring 39 is connected to the pressing surface of the upper press frame 1, and the other end passes through the upper mold main board 31 and is connected to the upper mold bending knife mounting plate 33.
[0034] like Figure 3 and Figure 5 As shown, both ends of the pressing surface of the jig lower mold 6 are provided with detection grooves 66 and height limit plates 67; the lower mold test steel sheet is arranged in the detection groove 66; in the pressing state, the test probe module 32 is embedded in the detection groove 66; and a vacuum airtight gasket 68 is also provided at the bottom of the jig lower mold 6.
[0035] Example 2
[0036] In another implementation manner of this embodiment, a mounting plate 69 and a second barcode scanner 70 are further provided at the bottom of the jig lower mold 6 , and the second barcode scanner 70 is fixed to the bottom of the jig lower mold 6 through the mounting plate 69 .
[0037] The above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model is described in detail with reference to the above preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model. Those skilled in the art can also make other changes within the spirit of the utility model and apply them to the design of the utility model, as long as they do not deviate from the technical effects of the utility model. These changes made according to the spirit of the utility model should be included in the scope of protection claimed by the utility model.
Claims
1. A pneumatic press frame structure for a universal test fixture, characterized in that: It comprises a press frame body, a jig upper die (3), a jig lower die (6), a cylinder assembly (7) and an electric control box (8); The press frame body comprises an upper press frame (1) and a lower press frame (4); the jig upper die (3) is arranged on the pressing surface of the upper press frame (1); the jig lower die (6) is arranged on the pressing surface of the lower press frame (4); The electric control box (8) is located below the lower pressure frame (4); a controller is integrated in the electric control box (8); The controller controls the pneumatic operation of the cylinder assembly to drive the upper pressing frame (1) and the lower pressing frame (4) to rise and fall, thereby achieving the pressing and separation of the upper mold (3) and the lower mold (6) of the jig.
2. The pneumatic press frame structure of the universal test fixture according to claim 1 is characterized in that: The upper press frame (1) is also provided with a jig upper die pneumatic clamp (2) on the lower side, and the lower press frame (4) is provided with a jig lower die pneumatic clamp (5); the jig upper die (3) is fixed on the jig upper die pneumatic clamp (2); and the jig lower die (6) is fixed on the jig lower die pneumatic clamp (5).
3. The pneumatic press frame structure of the universal test fixture according to claim 1 is characterized in that: The jig upper mold (3) and the jig lower mold (6) each have two groups; the cylinder assemblies (7) have four groups, which are respectively arranged on both sides of the upper pressing frame (1) and the lower pressing frame (4), and each group of the cylinder assemblies (7) controls a corresponding group of the jig upper mold (3) or the jig lower mold (6).
4. The pneumatic press frame structure of the universal test fixture according to claim 1, characterized in that: A first code scanner (9) is also provided on the front side of the pressing frame body.
5. The pneumatic press frame structure of the universal test fixture according to claim 1, characterized in that: The top of the electric control box (8) is provided with a handle (10) and a cable placement hole (11).
6. The pneumatic press frame structure of the universal test fixture according to claim 5, characterized in that: A jig air pipe through hole (12) is also provided on the side of the electric control box (8).
7. The pneumatic press frame structure of the universal test fixture according to claim 1, characterized in that: The electric control box (8) is also provided with an emergency stop button (13) and a start / stop button (14).
8. The pneumatic press frame structure of the universal test fixture according to claim 1, characterized in that: The jig upper die (3) comprises an upper die main board (31), a test probe module (32), an upper die bending knife mounting plate (33), an upper die bending blade (34), a product pre-pressing plate (35), and upper and lower die alignment pins (36); The upper die bending knife mounting plate (33) is arranged below the upper die main plate (31) and is elastically connected to the upper die main plate (31); The upper die bending blade (34) is arranged at two ends of the bottom of the upper die bending blade mounting plate (33); the test probe module (32) is arranged at two ends of the bottom of the upper die main plate (31); The product pre-pressing plate (35) is arranged at the middle of the bottom of the upper die bending knife mounting plate (33); The jig lower die (6) comprises a lower die main board (61), a lower die bending blade (62), a product placement positioning pin (63), an alignment hole (64) and a lower die test steel sheet grounding copper plate (65); In the pressed state, the product is fixed by the product placement positioning pin (63), and the upper and lower mold alignment pins (36) pass through the alignment holes (64); the product pre-pressing plate (35) is clamped between the upper mold main board (31) and the lower mold main board (61), and the upper mold bending blade (34) and the lower mold bending blade (62) press and bend the product, and the test probe module (32) and the lower mold test steel sheet grounding copper plate (65) are used to cooperate with the product to detect.
9. The pneumatic press frame structure of the universal test fixture according to claim 8, characterized in that: The upper side of the jig upper mold (3) is also provided with a test mold pressing plate (37), a plurality of bending pressure springs (38) and a plurality of product pre-pressure springs (39); one end of the bending pressure spring (38) is connected to the pressing surface of the upper press frame (1), and the other end is connected to the test mold pressing plate (37); one end of the product pre-pressure spring (39) is connected to the pressing surface of the upper press frame (1), and the other end passes through the upper mold main board (31) and is connected to the upper mold bending knife mounting plate (33).
10. The pneumatic press frame structure of the universal test fixture according to claim 8, characterized in that: Both ends of the pressing surface of the jig lower die (6) are provided with detection grooves (66) and height limiting plates (67); the lower die test steel sheet is arranged in the detection groove (66); in the pressing state, the test probe module (32) is embedded in the detection groove (66); the bottom of the jig lower die (6) is provided with a vacuum airtight gasket (68), a mounting plate (69) and a second barcode scanner (70), and the second barcode scanner (70) is fixed to the bottom of the jig lower die (6) through the mounting plate (69).