Lower die assembly for pressure maintaining machine

Abstract

The utility model relates to the technical field of FPC (Flexible Printed Circuit) laminating thermosensitive adhesive processing equipment, in particular to a lower die assembly for a pressure maintaining machine. Comprising a bottom plate, a first heat insulation plate, a heating assembly, a lower mold plate, a second heat insulation plate and a temperature control induction part, the bottom plate, the first heat insulation plate, the heating assembly and the lower mold plate are sequentially arranged from bottom to top, and the second heat insulation plate is arranged on the side surfaces of the first heat insulation plate and the heating assembly; the temperature control sensing piece senses the temperature of the end faces of the two sides of the lower die plate in the length direction. Each group of temperature control sensing pieces comprises a bracket and a sensor, the bracket is arranged on the bottom plate, the sensor is arranged on the bracket, and the sensor is used for sensing the temperature of the lower template; through the arrangement of the temperature control sensing piece, temperature control is effectively conducted on the lower die plate bearing the external carrier, the working temperature of the lower die plate is made to be within the controllable range, the heating assembly is isolated from external air through the arrangement of the first heat insulation plate and the second heat insulation plate, and therefore controllability of production quality is achieved, the utilization rate of heat energy is increased, and production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to FPC laminating heat sensitive adhesive processing equipment technical field especially relates to a lower mould assembly for pressure maintaining machine. BACKGROUND

[0002] FPC board's surface laminates heat sensitive adhesive piece and enters the pressure maintaining procedure, that is, FPC board and heat sensitive adhesive are firmly bonded together, usually in order to improve the heat sensitive adhesive piece and the paste firmness of FPC board, the carrier 100 of bearing FPC board is placed in the mould cavity, under the working condition of high pressure and high temperature, heat sensitive adhesive piece and FPC board are bonded together, but the existing processing mode has the following problems: the temperature difference range of the working temperature in the mould cavity is larger, leading to the paste effect of FPC board and heat sensitive adhesive piece is unstable, influences the stability of processing quality. SUMMARY

[0003] In order to overcome the FPC board and heat sensitive adhesive piece bonding firmness unstable shortcomings in the prior art, the utility model discloses a lower mould assembly for pressure maintaining machine, so that the working temperature in the mould cavity is in the preset range, improves the controllability of production quality.

[0004] To achieve the above object, the technical scheme of the utility model is:

[0005] A lower mould assembly for pressure maintaining machine, including bottom plate, first heat insulation plate, heating assembly, lower mould plate, second heat insulation plate and temperature control inductive piece, bottom plate, first heat insulation plate, heating assembly, lower mould plate are sequentially arranged from bottom to top, second heat insulation plate is located at the side surface of first heat insulation plate, second heat insulation plate is located at the side surface of heating assembly;

[0006] The number of temperature control inductive pieces is two groups, and two groups of temperature control inductive pieces respectively induct the temperature of the two side end faces of the length direction of the lower mould plate;

[0007] Each group of temperature control inductive pieces includes a support and a sensor, the support is arranged on the bottom plate, and the sensor is arranged on the support, the sensor is used to induct the temperature of the lower mould plate, and the sensor is arranged obliquely above the heating assembly and close to the lower mould plate.

[0008] Further, the heating assembly includes a first plate body and a plurality of heating rods, and the heating rods are arranged along the length direction of the first plate body.

[0009] Further, the first plate body is provided with a plurality of through holes, and the adjacent two through holes are arranged at intervals, the through holes are arranged along the length direction of the first plate body, one heating rod is arranged in one through hole, the through hole and the lower mould plate are arranged at intervals, the through hole and the first heat insulation plate are arranged at intervals, and the through hole and the second heat insulation plate are arranged at intervals.

[0010] Further, the lower die assembly further comprises a positioning pin arranged on the upper surface of the lower die plate and extending away from the lower die plate.

[0011] Further, the bracket comprises a first plate, a second plate and a third plate connected in sequence, the first plate is arranged intersecting with the second plate, the third plate is arranged intersecting with the second plate, the first plate and the third plate are respectively located on the left and right sides of the second plate, the first plate and the third plate are respectively located on the upper and lower sides of the second plate, the first plate is connected with the bottom plate, and the inductor is connected with the third plate.

[0012] Further, the lower die plate comprises a second plate body and a plurality of lower convex columns arranged on the second plate body, the lower convex columns are arranged on the upper surface of the second plate body and extend away from the second plate body, and adjacent two lower convex columns are arranged at intervals,

[0013] The utility model discloses the beneficial effects: through setting temperature control inductor, effectively control the temperature of the lower die plate of bearing external carrier, make the working temperature of lower die plate be in controllable range, the setting of first heat insulation board, second heat insulation board insulate heating assembly and external air, thereby realize the controllability of production quality, improve the utilization of heat energy, reduce production cost, BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic drawing of the utility model;

[0015] Figure 2 It is the structure schematic drawing of the utility model.

[0016] The attached marks include:

[0017] 1 - bottom plate 2 - first heat insulation board 3 - heating assembly

[0018] 31 - first plate body 311 - through hole 32 - heating rod

[0019] 4 - lower die plate 41 - second plate body 42 - lower convex column

[0020] 5 - second heat insulation board 6 - temperature control inductor 61 - bracket

[0021] 611 - first plate 612 - second plate 613 - third plate

[0022] 62 - inductor 100 - carrier. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of those skilled in the art, the utility model is further explained below in combination with examples and drawings, and the content mentioned in the implementation manner is not limited to the utility model.

[0024] Referring to Figure 1 and Figure 2 The utility model discloses a lower mould assembly for pressure -retaining machine, including bottom plate 1, first heat insulating plate 2, heating assembly 3, lower mould plate 4, second heat insulating plate 5 and temperature control inductive piece 6, bottom plate 1, first heat insulating plate 2, heating assembly 3, lower mould plate 4 are arranged from below to top in proper order, second heat insulating plate 5 is located at the side surface of first heat insulating plate 2, second heat insulating plate 5 is located at the side surface of heating assembly 3,

[0025] The number of temperature control inductive piece 6 is two groups, and the two groups of temperature control inductive piece 6 respectively sense the temperature of the two side end faces of the lower mould plate 4 in the length direction.

[0026] Each group of temperature control inductive piece 6 includes a bracket 61 and a sensor 62, the bracket 61 is arranged on the bottom plate 1, the sensor 62 is arranged on the bracket 61, the sensor 62 is used for sensing the temperature of the lower mould plate 4, and the sensor 62 is arranged obliquely above the heating assembly 3 and close to the lower mould plate 4.

[0027] Specifically, in the embodiment, the bottom plate 1, the first heat insulating plate 2, the heating assembly 3 and the lower mould plate 4 are arranged in sequence from top to bottom, the first heat insulating plate 2 is composed of glass fiber material and high-heat-resistant composite material, and the second heat insulating plate 5 is processed from heat-insulating cotton, wherein the number of the second heat insulating plate 5 is two, and the two second heat insulating plates 5 are respectively attached to the two side surfaces of the lower mould assembly in the length direction, preferably, the second heat insulating plate 5 is attached to the side surfaces of the first heat insulating plate 2 and the heating assembly 3, effectively isolating the heat generated by the heating assembly 3 from the outside air, and further improving the heat energy utilization rate of the heating assembly 3, the temperature control inductive piece 6 is used for instant sensing of the working temperature of the lower mould plate 4, further ensuring that the working process temperature is controlled within the preset range, the number of the temperature control inductive piece 6 is two, and the two temperature control inductive pieces 6 respectively monitor the temperatures of the two ends of the lower mould plate 4 in the length direction, so that the overall working temperature of the lower mould plate 4 is within the preset range, further ensuring the stability of the processing quality, preferably, each group of temperature control inductive piece 6 includes a bracket 61 and a sensor 62, one end of the bracket 61 is connected with the bottom plate 1, the other end of the bracket 61 is located on the same horizontal plane as the lower mould plate 4 and is arranged at a distance from the lower mould plate 4, the sensor 62 is an infrared temperature sensor structure, the sensor 62 is used for timely detecting the working temperature of the lower mould plate 4, so as to ensure that the working temperature of the lower mould plate 4 is within the set range, and the sensor 62 is located obliquely above the heating assembly 3, so as to avoid the influence of the heat generated by the heating assembly 3 on the detection of the sensor 62, further ensuring the accuracy of the production process parameters.

[0028] By setting the temperature control sensing piece 6, the temperature of the lower mold plate 4 carrying the external carrier 100 is effectively controlled, so that the working temperature of the lower mold plate 4 is within a controllable range, the first heat insulation plate 2 and the second heat insulation plate 5 are arranged to isolate the heating assembly 3 from the external air, thereby realizing controllability of production quality, improving utilization rate of heat energy, and reducing production cost.

[0029] The heating assembly 3 comprises a first plate body 31 and a plurality of heating rods 32, the heating rods 32 are arranged along the length direction of the first plate body 31, the first plate body 31 is in the form of a flat plate, the heating rods 32 are connected with an external power supply to convert electric energy into heat energy, the heating rods 32 are arranged at equal intervals in the first plate body 31, thereby ensuring that heat is evenly generated in a unit volume of the first plate body 31.

[0030] The first plate body 31 is provided with a plurality of through holes 311, the adjacent two through holes 311 are arranged at intervals, the through holes 311 are arranged along the length direction of the first plate body 31, one heating rod 32 is arranged in one through hole 311, the through holes 311 are arranged at intervals with the lower mold plate 4, the through holes 311 are arranged at intervals with the first heat insulation plate 2, the through holes 311 are arranged at intervals with the second heat insulation plate 5, the arrangement of the through holes 311 arranges the heating rods 32 in the first plate body 31, thereby protecting the heating rods 32 and improving the safety and service life.

[0031] The lower mold assembly further comprises a positioning pin 7, the positioning pin 7 is arranged on the upper surface of the lower mold plate 4 and extends away from the lower mold plate 4, the arrangement of the positioning pin 7 facilitates the precise connection of the external carrier 100 and the lower mold plate 4, and further improves the stability of the production quality.

[0032] The bracket 61 comprises a first plate 611, a second plate 612 and a third plate 613 connected in sequence, the first plate 611 and the second plate 612 are arranged at an intersection, the third plate 613 and the second plate 612 are arranged at an intersection, the first plate 611 and the third plate 613 are respectively located on the left and right sides of the second plate 612, the first plate 611 and the third plate 613 are respectively located on the upper and lower sides of the second plate 612, the first plate 611 is connected with the bottom plate 1, and the inductor 62 is connected with the third plate 613, preferably, the first plate 611, the second plate 612 and the third plate 613 are connected in sequence, the first plate 611 and the second plate 612 are connected in the form of L, the second plate 612 and the third plate 613 are connected in the form of L, so that the third plate 613 is away from the lower mold plate 4, the inductor 62 is installed on the third plate 613, so that the inductor 62 is arranged at intervals with the heating assembly 3, further reducing the influence of the heat generated by the heating assembly 3 on the inductor 62, and improving the authenticity of the temperature detection of the lower mold plate 4 by the inductor 62.

[0033] The lower mold plate 4 comprises a second plate body 41 and a plurality of lower protruding columns 42 arranged on the second plate body 41, the protruding columns 42 are arranged on the upper surface of the second plate body 41 and extend away from the second plate body 41, and adjacent two protruding columns 42 are arranged at intervals, the arrangement of the lower protruding columns 42 facilitates accurate support on the external to-be-bonded position, ensures that the pressure generated in the closing process of the lower mold assembly and the external upper mold assembly is accurately applied on the FPC plate and the thermal sensitive adhesive sheet, and improves the controllability of production quality.

[0034] The above is only a preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, the specific implementation manner and application range can be changed, and the content of the specification should not be understood as a limitation of the present application.

Claims

1. A lower die assembly for a press, comprising: The lower mold assembly comprises a bottom plate (1), a first heat insulation plate (2), a heating assembly (3), a lower mold plate (4), a second heat insulation plate (5) and a temperature control inductor (6), the bottom plate (1), the first heat insulation plate (2), the heating assembly (3) and the lower mold plate (4) are sequentially arranged from bottom to top, the second heat insulation plate (5) is arranged on the side surface of the first heat insulation plate (2), and the second heat insulation plate (5) is arranged on the side surface of the heating assembly (3); The temperature control inductor (6) is arranged on the side surface of the first heat insulation plate (2). Each group of temperature control inductors (6) comprises a support (61) and an inductor (62), the support (61) is arranged on the bottom plate (1), the inductor (62) is arranged on the support (61), the inductor (62) is used for sensing the temperature of the lower mold plate (4), and the inductor (62) is arranged obliquely above the heating assembly (3) and close to the lower mold plate (4).

2. The lower die assembly for a pressure retention machine of claim 1, wherein: The heating assembly (3) comprises a first plate body (31) and a plurality of heating rods (32), and the heating rods (32) are arranged along the length direction of the first plate body (31).

3. The lower die assembly for a pressure retention machine of claim 2, wherein: The first plate body (31) is provided with a plurality of through holes (311), and the adjacent two through holes (311) are arranged at intervals, the through holes (311) are arranged along the length direction of the first plate body (31), one heating rod (32) is arranged in one through hole (311), the through holes (311) and the lower mold plate (4) are arranged at intervals, the through holes (311) and the first heat insulation plate (2) are arranged at intervals, and the through holes (311) and the second heat insulation plate (5) are arranged at intervals.

4. The lower die assembly for a pressure retention machine of claim 1, wherein: The lower mold assembly further comprises a positioning pin (7), and the positioning pin (7) is arranged on the upper surface of the lower mold plate (4) and extends away from the lower mold plate (4).

5. The lower die assembly for a pressure retention machine of claim 1, wherein: The support (61) comprises a first plate (611), a second plate (612) and a third plate (613) which are sequentially connected, the first plate (611) and the second plate (612) are arranged at an intersection, the third plate (613) and the second plate (612) are arranged at an intersection, the first plate (611) and the third plate (613) are respectively located on the left and right sides of the second plate (612), the first plate (611) and the third plate (613) are respectively located on the upper and lower sides of the second plate (612), the first plate (611) is connected with the bottom plate (1), and the inductor (62) is connected with the third plate (613).

6. The lower die assembly for a pressure retention machine of claim 1, wherein: The lower mold plate (4) comprises a second plate body (41) and a plurality of lower convex columns (42) arranged on the second plate body (41), the lower convex columns (42) are arranged on the upper surface of the second plate body (41) and extend away from the second plate body (41), and the adjacent two lower convex columns (42) are arranged at intervals.

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