Medical circuit board processing mold convenient to position

Abstract

The utility model discloses a medical circuit board processing mold convenient to position, which comprises a first mold, a second mold and a circuit board body, the first mold is detachably connected to one side of the second mold, a first forming groove is formed in one side, close to the second mold, of the first mold, and a second forming groove is formed in one side of the second mold; the first molding groove and the second molding groove jointly define an injection molding inner cavity, the circuit board body is arranged in the injection molding inner cavity, the sides, close to each other, of the first mold and the second mold are each provided with injection holes corresponding in position, the injection holes communicate with the injection molding inner cavity, and two guide rods are connected into an inner cavity of the first molding groove; two guide through holes are formed in the second mold, the end parts of the guide rods are inserted into the guide through holes, and two guide holes are formed in the circuit board body. The application has the effects of realizing stable protection of the circuit board and improving the production efficiency of the circuit board.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of circuit board protection, and in particular to a medical circuit board processing die convenient to position. BACKGROUND

[0002] As a commonly used electronic component, a circuit board is widely applied in the fields of medical treatment, industry and daily life. Electronic components on a conventional circuit board are usually fixed on the circuit board in a soldering manner, and the electronic components are exposed outside. After long-time use, dust is accumulated on the surface of the circuit board, and the circuit board is easily damaged due to scratches. Therefore, the circuit board needs to be protected by a shell during use.

[0003] At present, the shell for protection is usually produced in a split injection molding manner, two half parts corresponding to the shell are produced respectively, the circuit board is placed in the middle of the shell, and the two shells are buckled to realize protection of the circuit board by the shell.

[0004] According to the related technology, the inventor considers that the circuit board protection shell needs to be injection molded and assembled in two corresponding half shells, which reduces the production efficiency of the circuit board shell, and the shell is relatively shaken with the circuit board during use, so that the surface of the circuit board is scratched. Meanwhile, the shell is easily damaged and deformed due to the injection molding precision during assembly of the two shells. CONTENT OF THE UTILITY MODEL

[0005] In order to realize stable protection of the circuit board and improve the production efficiency of the circuit board, the application provides a medical circuit board processing die convenient to position.

[0006] The medical circuit board processing die convenient to position provided by the application adopts the following technical scheme:

[0007] The utility model provides a medical circuit board processing die of easy positioning, including first mould, second mould and circuit board body, the first mould can detachably connect in one side of second mould, first mould is close to one side of second mould and is provided with first forming groove, second mould is close to one side of first mould and is provided with second forming groove with first forming groove corresponds, first forming groove and second forming groove jointly enclose injection molding inner chamber, circuit board body sets up in injection molding inner chamber, first mould and second mould mutually close one side all are seted up with position corresponding injection hole, injection hole is communicated with injection molding inner chamber arrangement, the inner chamber of first forming groove is connected in parallel with two guide rods, second mould is seted up with two with second forming groove communication guide through -hole, two guide through -hole with two guide rod one -one correspondence arrangement, the end of guide rod is inserted in guide through -hole, and circuit board body is seted up with two guide holes, two guide holes with two guide rod one -one correspondence arrangement.

[0008] Through adopt above -mentioned technical scheme, circuit board body passes through circuit board body through guide hole, and circuit board can be located in the middle position of injection molding inner chamber. First mould and second mould are connected together, and the end of guide rod is inserted in guide through -hole, realizing the connection of first mould and second mould. Through injection hole, melt plastic raw materials are injected into injection molding inner chamber, and plastic is stably wrapped outside circuit board body, realizing the inclusion of circuit board body. After forming, first mould and second mould are taken down, and the material of finished product is realized. Through the mutual cooperation of first mould, second mould guide rod and circuit board body, the effect of realizing the stable protection of circuit board and improving the production efficiency of circuit board is realized.

[0009] Optionally, the bottom wall of the first forming groove and the second forming groove is provided with a positioning rod, the positioning rods on the first mold and the second mold are correspondingly arranged, and the circuit board body is clamped between the two corresponding positioning rods.

[0010] Through the above technical scheme, after the first mold and the second mold are closed, the circuit board body is clamped in the middle position of the circuit board body under the action of the two corresponding positioning rods, avoiding the situation that one side of the circuit board body is exposed outside after injection molding due to the sliding of the circuit board on the guide rod.

[0011] Optionally, the first mold and the second mold are correspondingly provided with an exhaust hole on the side close to each other, the exhaust hole is communicated with the injection molding inner chamber, and the exhaust hole is arranged at the end of the first mold and the second mold away from the injection hole.

[0012] By adopting the technical scheme, the gas in the injection cavity is discharged through the exhaust hole while injection, and the exhaust hole facilitates the smooth injection process.

[0013] Optionally, the first mold is provided with a first connecting plate near the edge of the side close to the second mold, the first connecting plate is provided with a connecting L-shaped rod near the side close to the second mold, the second mold is provided with a second connecting plate near the edge of the side close to the first mold, the second connecting plate is provided with a connecting slot, and the connecting L-shaped rod comprises a rotating part rotating on the first connecting plate and a limiting part vertically arranged at the end of the rotating part, and the length of the connecting slot corresponds to the length of the limiting part.

[0014] By adopting the technical scheme, when the first mold and the second mold are connected, the connecting L-shaped rod is inserted through the connecting slot on the second connecting plate, and the limiting part is screwed to abut the side of the second connecting plate away from the first mold, thereby realizing the quick connection of the first mold and the second mold.

[0015] Optionally, the first mold is provided with a sealing gasket near the side close to the second mold.

[0016] By adopting the technical scheme, the sealing gasket improves the sealing between the first mold and the second mold, and reduces the possibility of overflow at the joint between the two during the injection process.

[0017] Optionally, the second mold is provided with a discharging assembly, the discharging assembly comprises a discharging push rod, a discharging push plate and a discharging spring, the discharging push plate is arranged in parallel on the side of the second mold away from the first mold, two discharging push rods are connected on the side of the discharging push plate close to the second mold, the two discharging push plates and the two guide through holes are in one-to-one correspondence and are slidingly connected, the discharging spring is arranged between the discharging push plate and the second mold, and the end of the discharging push rod abuts against the end of the guide rod.

[0018] By adopting the technical scheme, after the injection operation is completed, the discharging push plate is pushed, and the discharging push rod arranged on the discharging push plate pushes the guide rod out of the guide through hole, thereby facilitating the separation of the first mold and the second mold. The arrangement of the discharging spring realizes the automatic reset of the discharging push plate.

[0019] Optionally, the end of the positioning rod close to the circuit board body is provided with an abutting pad.

[0020] By adopting the technical scheme, the arrangement of the abutting pad reduces the possibility of damage to the surface of the circuit board body during clamping.

[0021] Optionally, the first mold and the second mold are both provided with mounting grooves on the side edges in the width direction.

[0022] By adopting the technical scheme, the installation groove is arranged to facilitate the operator to separate the first mold and the second mold.

[0023] To sum up, the present application has at least one of the following beneficial technical effects:

[0024] 1. By the cooperation of the first mold, the second mold guide rod and the circuit board body, the circuit board is stably protected, and the production efficiency of the circuit board is improved;

[0025] 2. The separation of the first mold and the second mold is facilitated by the arrangement of the blanking assembly. The automatic reset of the blanking push plate is realized by the arrangement of the blanking spring;

[0026] 3. The installation groove is arranged to facilitate the operator to separate the first mold and the second mold. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a structure diagram of a medical circuit board processing mold for easy positioning according to an embodiment of the present application.

[0028] Figure 2 is a partial sectional view of the internal structure of the injection molding inner cavity.

[0029] Figure 3 is a partial sectional view of the positioning rod in the embodiment of the present application.

[0030] Figure 4 is Figure 2 is an enlarged view of part A in FIG. 6.

[0031] Figure 5 is Figure 3 is an enlarged view of part B in FIG. 6.

[0032] Figure 6 is a structure diagram of an injection molding plate according to an embodiment of the present application.

[0033] BRIEF DESCRIPTION OF DRAWINGS 1. First mold; 101, first forming groove; 2, second mold; 21, second forming groove; 22, guide through hole; 3, blanking assembly; 31, blanking push plate; 32, blanking push rod; 33, blanking spring; 4, circuit board body; 41, guide hole; 5, injection hole; 6, exhaust hole; 7, sealing gasket; 8, second connecting plate; 81, connecting groove; 9, connecting L-shaped rod; 91, rotating part; 92, limiting part; 10, first connecting plate; 11, guide rod; 12, sealing ring; 13, positioning rod; 14, abutting pad; 15, installation groove; 16, forming plate; 161, guide forming hole; 162, positioning forming hole. DETAILED DESCRIPTION

[0034] The application will be further described below in conjunction with the accompanying drawings Figures 1-6 The application is further described below. The medical circuit board processing mold for easy positioning provided by the application has the effects of achieving stable protection of the circuit board and improving the production efficiency of the circuit board.

[0035] Referring to Figures 1-3 The medical circuit board processing mold for easy positioning comprises a first mold 1, a second mold 2, a blanking assembly 3, and a circuit board body 4. The first mold 1 and the second mold 2 are connected by a connecting piece. The side of the first mold 1 close to the second mold 2 is provided with a first forming groove 101. The side of the second mold 2 close to the first mold 1 is provided with a second forming groove 21 corresponding to the first forming groove 101. The first forming groove 101 and the second forming groove 21 jointly form an injection molding inner cavity. The side of the first mold 1 and the second mold 2 close to each other is correspondingly provided with an injection hole 5. One end of the injection hole 5 is in communication with the outside, and the other end is in communication with the injection molding inner cavity. Figure 5 The side of the first mold 1 and the second mold 2 close to each other is correspondingly provided with an exhaust hole 6. The exhaust hole 6 is arranged at the end of the first mold 1 and the second mold 2 away from the injection hole 5. One end of the exhaust hole 6 is in communication with the outside, and the other end is in communication with the injection molding inner cavity. The side of the first mold 1 close to the second mold 2 is provided with a sealing gasket 7.

[0036] Referring to Figure 1 The connecting piece comprises a first connecting plate 10, a second connecting plate 8, and a connecting L-shaped rod 9. The first connecting plate 10 is connected to the edge of the side of the first mold 1 close to the second mold 2. The second connecting plate 8 is connected to the edge of the side of the second mold 2 close to the first mold 1. The first connecting plate 10 and the second connecting plate 8 are arranged one by one in correspondence. The connecting L-shaped rod 9 is rotatably arranged on each first connecting plate 10. The connecting L-shaped rod 9 comprises a rotating part 91 and a limiting part 92. One end of the rotating part 91 is perpendicularly arranged on the side of the first connecting plate 10 close to the second connecting plate 8 and is rotatably connected. One end of the limiting part 92 is perpendicularly arranged on the end of the rotating part 91 away from the first connecting plate 10. The edge of the second connecting plate 8 is provided with a connecting groove 81. When the connecting L-shaped rod 9 is rotated to a certain angle, the limiting part 92 is correspondingly arranged on the second connecting plate 8.

[0037] Referring to Figure 4The inner wall of the first forming groove 101 is vertically connected with two guide rods 11, and the second forming groove 21 is provided with two guide through holes 22 corresponding to the guide rods 11. The circuit board body 4 is arranged in the injection cavity, and the circuit board body 4 is provided with two guide holes 41 corresponding to the two guide rods 11 and being slidably connected. The end of the guide rod 11 is inserted into the corresponding guide through hole 22. The inner wall of the end of the guide through hole 22 close to the first mold 1 is provided with a sealing ring 12, and the sealing ring 12 is abutted against the guide rod 11. The blanking assembly 3 is arranged on the second mold 2, and the blanking assembly 3 includes a blanking push plate 31, a blanking push rod 32 and a blanking spring 33. The blanking push plate 31 is arranged on the side of the second mold 2 away from the first mold 1, and the blanking push rod 32 is arranged on the side of the blanking push plate 31 close to the second mold 2. The two blanking push rods 32 are arranged corresponding to the two guide through holes 22 and are slidably connected, and the blanking spring 33 is arranged between the blanking push plate 31 and the second mold 2. The end of the guide rod 11 is abutted against the blanking push rod 32 under the action of the blanking spring 33.

[0038] With reference to Figure 1 and Figure 5 The inner wall of the first forming groove 101 and the second forming groove 21 is vertically connected with two positioning rods 13, and the two positioning rods 13 on the first forming groove 101 and the second forming groove 21 are arranged corresponding to each other. The end of the positioning rod 13 close to each other is provided with an abutting pad 14 made of elastic material. The circuit board body 4 is clamped between the corresponding two positioning rods 13. The side of the first mold 1 and the second mold 2 in the width direction is provided with a mounting groove 15.

[0039] With reference to Figure 1 and Figure 4 When the circuit board body 4 is processed, the circuit board is sleeved on the two guide rods 11 through the guide hole 41. The second mold 2 is installed on the side of the first mold 1 provided with the first forming groove 101, the L-shaped rod is rotated to pass through the corresponding connecting groove 81 of the second connecting plate 8, and the L-shaped rod is rotated to make the limiting rod abut against the side of the second connecting plate 8 away from the first connecting plate 10, thereby realizing the quick connection of the first mold 1 and the second mold 2.

[0040] With reference to Figure 4 and Figure 5At this time, the end of the guide rod 11 is embedded in the guide through hole 22, and the arrangement of the guide rod 11 realizes the positioning of the circuit board body 4 in the injection cavity. The circuit board body 4 is clamped between the corresponding two pairs of positioning rods 13, so that the two sides of the circuit board body 4 keep the same distance with the inner wall of the first forming groove 101 and the second forming groove 21, avoiding the situation that one side of the circuit board body 4 is exposed outside after injection molding due to the sliding of the circuit board body 4 on the guide rod 11. The arrangement of the abutting pad 14 reduces the possibility of damage to the surface of the circuit board body 4 during clamping. The sealing pad 7 is arranged on the first mold 1 and clamped between the first mold 1 and the second mold 2, improving the sealing between the two and reducing the possibility of overflow during injection molding.

[0041] With reference to Figure 1 , Figure 4 and Figure 5 , after the clamping operation of the first mold 1 and the second mold 2 is completed, injection is performed through the injection hole 5 into the injection cavity, and the air in the injection cavity is discharged through the exhaust hole 6, so that the injection process is more smooth. After the injection operation is completed and the cooling and setting are completed, the discharge push plate 31 is pressed, the two discharge push rods 32 arranged on the discharge push plate 31 push the two guide rods 11 out of the guide through hole 22, realizing the separation of the first mold 1 and the second mold 2. The arrangement of the discharge spring 33 realizes the automatic reset of the discharge push plate 31 and the discharge push rod 32. The arrangement of the mounting groove 15 facilitates the separation of the first mold 1 and the second mold 2. In combination with Figure 6 , the forming plate 16 on which the injection operation is completed is provided with two guide forming holes 161 corresponding to the guide rods 11 and two positioning forming holes 162 corresponding to the positioning rods 13.

[0042] The implementation principle of the medical circuit board processing mold convenient for positioning in the embodiment of the application is that when the circuit board body 4 is processed, the circuit board is sleeved on the two guide rods 11. The second mold 2 is installed on the side of the first mold 1 provided with the first forming groove 101. The circuit board body 4 is clamped between the corresponding two pairs of positioning rods 13.

[0043] Injection is performed through the injection hole 5 into the injection cavity, and the air in the injection cavity is discharged through the exhaust hole 6, so that the injection process is more smooth. After the injection operation is completed and the cooling and setting are completed, the discharge push plate 31 is pressed, and the two discharge push rods 32 push the two guide rods 11 out of the guide through hole 22, realizing the separation of the first mold 1 and the second mold 2.

[0044] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, so: any equivalent changes made on the basis of the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A medical circuit board processing mold for easy positioning, characterized in that: The system includes a first mold (1), a second mold (2), and a circuit board body (4). The first mold (1) is detachably connected to one side of the second mold (2). The first mold (1) has a first molding groove (101) on the side near the second mold (2), and the second mold (2) has a second molding groove (21) corresponding to the first molding groove (101) on the side near the first mold (1). The first molding groove (101) and the second molding groove (21) together form an injection molding cavity. The circuit board body (4) is disposed in the injection molding cavity. Each side of the mold has a corresponding injection hole (5), which is connected to the injection cavity. The first molding groove (101) has two guide rods (11) connected in parallel. The second mold (2) has two guide holes (22) connected to the second molding groove (21). The two guide holes (22) are connected to the two guide rods (11) one by one. The end of the guide rod (11) is inserted into the guide hole (22). The circuit board body (4) has two guide holes (41), which are connected to the two guide rods (11) one by one.

2. The medical circuit board processing mold for easy positioning according to claim 1, characterized in that: Positioning rods (13) are provided on the bottom walls of the first forming groove (101) and the second forming groove (21). The positioning rods (13) on the first mold (1) and the second mold (2) are positioned correspondingly. The circuit board body (4) is sandwiched between the two corresponding positioning rods (13), and the two corresponding positioning rods (13) are of equal length.

3. The medical circuit board processing mold for easy positioning according to claim 1, characterized in that: The first mold (1) and the second mold (2) are provided with vent holes (6) on their respective sides that are close to each other. The vent holes (6) are connected to the injection cavity and are located at the ends of the first mold (1) and the second mold (2) away from the injection hole (5).

4. The medical circuit board processing mold for easy positioning according to claim 1, characterized in that: The first mold (1) is provided with a first connecting plate (10) on the edge near the second mold (2). The first connecting plate (10) is provided with a connecting L-shaped rod (9) on the edge near the second mold (2). The second mold (2) is provided with a second connecting plate (8) on the edge near the first mold (1). The second connecting plate (8) is provided with a connecting groove (81). The connecting L-shaped rod (9) includes a rotating part (91) rotating on the first connecting plate (10) and a limiting part (92) vertically disposed at the end of the rotating part (91). The length of the connecting groove (81) corresponds to the length of the limiting part (92).

5. A medical circuit board processing mold for easy positioning according to claim 4, characterized in that: A sealing gasket (7) is provided on the side of the first mold (1) near the second mold (2).

6. The medical circuit board processing mold for easy positioning according to claim 1, characterized in that: The second mold (2) is provided with a feeding assembly (3), which includes a feeding push rod (32), a feeding push plate (31), and a feeding spring (33). The feeding push plate (31) is arranged parallel to the side of the second mold (2) away from the first mold (1). Two feeding push rods (32) are connected to the side of the feeding push plate (31) close to the second mold (2). The two feeding push plates (31) correspond one-to-one with the two guide through holes (22) and are slidably connected. The feeding spring (33) is arranged between the feeding push plate (31) and the second mold (2). The end of the feeding push rod (32) abuts against the end of the guide rod (11).

7. A medical circuit board processing mold for easy positioning according to claim 2, characterized in that: The positioning rod (13) has an abutment pad (14) at its end near the circuit board body (4).

8. A medical circuit board processing mold for easy positioning according to claim 1, characterized in that: The first mold (1) and the second mold (2) are both provided with mounting grooves (15) on their sides in the width direction.

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