Pressing and holding mechanism for sealing edge of SMC (Sheet Molding Compound) film

Abstract

The utility model discloses a hold-down mechanism for sealing the edge of an SMC (sheet molding compound) film, which comprises a base, a lower pressing frame is mounted on the upper end face of the base and fixedly connected with the base, an upper pressing frame is arranged above the lower pressing frame, one end of the upper pressing frame is rotatably connected with the base, a re-pressing frame is mounted on the rear end face of the upper pressing frame, and the re-pressing frame is fixedly connected with the base. The re-pressing frame is connected with the upper pressing frame in a front-back sliding mode. The adjustable re-pressing frame is arranged on the upper pressing frame, so that when single edge sealing is needed, only the hot pressing frame needs to be installed on the upper pressing frame, and when double edge sealing is needed, the hot pressing frame can be installed on the re-pressing frame, and the purpose of simultaneous double-edge hot pressing is achieved. And the distance between the re-pressing frame and the upper pressing frame can be adjusted through the adjusting screw rod before hot pressing, so that the device can be flexibly adjusted and used during machining.

Description

Technical Field

[0001] The utility model relates to the technical field of a pressing mechanism for sealing, in particular to a pressing mechanism for sealing the edge of a film of an SMC sheet. Background Technique

[0002] SMC material is sheet molding compound. After the SMC sheet is produced, a film is usually wrapped outside the sheet to protect the SMC sheet, and corresponding edge sealing of the film is required for processing.

[0003] The existing Chinese patent with the publication number CN204701845U discloses a film sealing machine, which includes a chassis. An electric heating wire is provided at the upper end of the chassis. The electric heating wire is suspended, and a heat equalizing protective layer is covered on the electric heating wire. The two side parts of the heat equalizing protective layer are movably clamped on the surface of the chassis. One side of the upper end of the chassis is provided with an adjusting rod rotatably connected to the chassis. One end of the electric heating wire is wound around the adjusting rod and then connected in series to a power supply line, and the other end of the electric heating wire is fixedly connected to the power supply line.

[0004] In view of the above related technologies, it is found that most of the above-mentioned film sealing devices use a single-sided pressing method during the sealing process. When multiple sealing presses are required, it needs to be used multiple times, and it is not easy to accurately control the spacing of the pressing positions. Content of the Utility Model

[0005] This application provides a pressing mechanism for sealing the edge of a film of an SMC sheet to solve the problems raised in the background technique.

[0006] The utility model is realized as follows:

[0007] A pressing mechanism for sealing the edge of a film of an SMC sheet includes a base. A lower pressing frame is installed on the upper end surface of the base, and the lower pressing frame is fixedly connected to the base. An upper pressing frame is arranged above the lower pressing frame. One end of the upper pressing frame is rotatably connected to the base. A re-pressing frame is installed on the rear end surface of the upper pressing frame, and the re-pressing frame is slidably connected to the upper pressing frame in the front-rear direction. An adjusting screw rod for adjusting the position of the re-pressing frame is arranged on the upper pressing frame. Heat pressing frames are installed on the lower end surfaces of the upper pressing frame and the re-pressing frame.

[0008] Further, the upper pressing frame includes a rotating seat and an upper frame housing. The upper frame housing is arranged on one side of the rotating seat and is fixedly connected to the rotating seat.

[0009] Further, a front-rear sliding groove for slidably installing the re-pressing frame is opened on the rotating seat, and a handrail frame is fixedly installed on the upper end surface of the upper frame housing.

[0010] Further, a limit slider installed in the front and rear sliding grooves is provided on one side of the double pressing frame, and a threaded groove matching with the adjusting screw rod is formed in the middle of the limit slider.

[0011] Further, a positioning rod is fixedly installed on the rear end face of the upper frame shell, and a positioning groove matching with the positioning rod is formed at one end of the double pressing frame far away from the limit slider.

[0012] Further, the hot pressing frame includes a heat insulation frame, heating wires and a metal pressing shell. The heating wires are fixedly installed at the lower end of the heat insulation frame. The metal pressing shell is sleeved at the lower end of the heating wires, and the metal pressing shell is snap-fitted and fixed with the heat insulation frame.

[0013] Further, a plurality of support springs are arranged on the upper end face of the heat insulation frame, and a top plate is fixedly installed at the upper ends of the support springs.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: By providing an adjustable double pressing frame on the upper pressing frame, when single edge sealing is required, only the hot pressing frame needs to be installed on the upper pressing frame, and when double edge sealing is required, the hot pressing frame can be installed on the double pressing frame to achieve the purpose of simultaneous double-sided hot pressing. Moreover, before hot pressing, the distance between the double pressing frame and the upper pressing frame can be adjusted by the adjusting screw rod, which is convenient for flexible adjustment and use during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 is a perspective view of the overall structure in the embodiment of the present utility model;

[0017] Figure 2 is Figure 1 the front view of the device shown;

[0018] Figure 3 is Figure 1 the perspective view of the double pressing frame shown;

[0019] Figure 4 is Figure 1 the perspective view of the upper pressing frame and the adjusting screw rod shown in cooperation;

[0020] Figure 5 is Figure 1 the perspective view of the hot pressing frame shown;

[0021] Figure 6 is Figure 5 a side view of the device shown.

[0022] In the figure: 1, base; 2, lower pressing frame; 3, upper pressing frame; 31, rotating base; 311, front and rear sliding grooves; 32, upper frame housing; 321, armrest frame; 322, positioning rod; 4, re-pressing frame; 41, limiting slider; 411, threaded groove; 42, positioning groove; 5, adjusting screw; 6, hot pressing frame; 61, heat insulation frame; 611, support spring; 612, top plate; 62, heating wire; 63, metal pressing shell. Specific embodiments

[0023] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model claimed, but merely represents the selected embodiments of the present utility model.

[0024] Refer to Figure 1 and Figure 2 As shown, a pressing mechanism for sealing the edges of SMC sheet films includes a base 1. The upper end surface of the base 1 is provided with a lower pressing frame 2, and the lower pressing frame 2 is fixedly connected to the base 1. Above the lower pressing frame 2 is provided an upper pressing frame 3. One end of the upper pressing frame 3 is rotatably connected to the base 1. The rear end surface of the upper pressing frame 3 is provided with a re-pressing frame 4, and the re-pressing frame 4 is slidably connected to the upper pressing frame 3 in the front and rear directions. The upper pressing frame 3 is provided with an adjusting screw 5 for adjusting the position of the re-pressing frame 4. The lower end surfaces of the upper pressing frame 3 and the re-pressing frame 4 are both provided with hot pressing frames 6. By installing the lower pressing frame 2 on the base 1, it is convenient to cooperate with the upper pressing frame 3 through the lower pressing frame 2 to achieve pressing processing. At the same time, by providing the re-pressing frame 4 on the rear end surface of the upper pressing frame 3, when the hot pressing frames 6 are installed on the upper pressing frame 3 and the re-pressing frame 4, the purpose of simultaneously hot pressing two sealing edges can be achieved. Moreover, by setting the adjusting screw 5, it is convenient to adjust the distance between the upper pressing frame 3 and the re-pressing frame 4, ensuring that the distance between the two sealing edges can be accurately controlled.

[0025] Refer to Figure 4As shown in the figure, the upper pressing frame 3 includes a rotating seat 31 and an upper frame housing 32. The upper frame housing 32 is arranged on one side of the rotating seat 31 and is fixedly connected to the rotating seat 31. By setting the structure of the upper pressing frame 3, it is ensured that the upper frame housing 32 is installed through the rotating seat 31, so that the upper frame housing 32 can flexibly adjust the pressing angle through the rotating seat 31 during use. A front-back sliding groove 311 for the sliding installation of the double pressing frame 4 is provided on the rotating seat 31, and a handrail frame 321 is fixedly installed on the upper end surface of the upper frame housing 32. By setting the front-back sliding groove 311, it is convenient for the double pressing frame 4 to slide and adjust the distance, and at the same time, by setting the handrail frame 321, it is convenient for better operation. A positioning rod 322 is fixedly installed on the rear end surface of the upper frame housing 32. By setting the positioning rod 322, it is convenient for the double pressing frame 4 to be more stable during adjustment..

[0026] Refer to Figure 3 As shown in the figure, a limit slider 41 installed in the front-back sliding groove 311 is provided on one side of the double pressing frame 4, and a thread groove 411 matching with the adjusting screw 5 is provided in the middle of the limit slider 41. By setting the limit slider 41, it is convenient for the double pressing frame 4 to be stably installed in the front-back sliding groove 311, and at the same time, by setting the thread groove 411, it is convenient to adjust the position of the double pressing frame 4 by rotating the adjusting screw 5. A positioning groove 42 matching with the positioning rod 322 is provided at one end of the double pressing frame 4 away from the limit slider 41. By setting the positioning groove 42, it is convenient to cooperate with the positioning rod 322 for auxiliary positioning.

[0027] Refer to Figure 5 and Figure 6 As shown in the figure, the hot pressing frame 6 includes a heat insulation frame 61, a heating wire 62 and a metal pressing shell 63. The heating wire 62 is fixedly installed at the lower end of the heat insulation frame 61, and the metal pressing shell 63 is sleeved at the lower end of the heating wire 62 and is snap-fitted and fixed to the heat insulation frame 61. By setting the structure of the hot pressing frame 6, it is ensured that the heating wire 62 is arranged at the lower end of the heat insulation frame 61, and the metal pressing shell 63 is wrapped outside the heating wire 62, so that the sealing process can be realized through the heated metal pressing shell 63 during hot pressing. A plurality of support springs 611 are arranged on the upper end surface of the heat insulation frame 61, and a top plate 612 is fixedly installed at the upper ends of the support springs 611. By setting the support springs 611 and the top plate 612, it is ensured that there is a certain buffer distance during the use of the hot pressing frame 6, and the situation of damaging the film will not occur during the sealing process.

[0028] Working principle: During processing, the upper pressing frame is flipped up through the armrest frame, and then the SMC sheet film to be sealed is placed on the lower pressing frame. After preheating the heating wire, the lower pressing and sealing process can be carried out. Before sealing, it can be decided whether to install the hot pressing frame on the double pressing frame according to single-side sealing or double-side sealing. When double-side sealing is required and the hot pressing frame is installed on the double pressing frame, the distance between the double pressing frame and the upper pressing frame can be adjusted by rotating the adjusting screw rod to realize the adjustment of the distance between the double-side seals.

[0029] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pressing mechanism for sealing the edges of an SMC sheet film, comprising a base (1), characterized in that: The upper end surface of the base (1) is provided with a downward pressing frame (2), the downward pressing frame (2) is fixedly connected to the base (1), an upper pressing frame (3) is arranged above the downward pressing frame (2), one end of the upper pressing frame (3) is rotatably connected to the base (1), a double pressing frame (4) is installed on the rear end surface of the upper pressing frame (3), the double pressing frame (4) is slidably connected to the upper pressing frame (3) in the front and rear directions, an adjusting screw rod (5) for adjusting the position of the double pressing frame (4) is arranged on the upper pressing frame (3), and hot pressing frames (6) are installed on the lower end surfaces of the upper pressing frame (3) and the double pressing frame (4).

2. The pressing mechanism for sealing the edge of an SMC sheet film according to claim 1, wherein, The upper pressing frame (3) includes a rotating seat (31) and an upper frame shell (32), the upper frame shell (32) is arranged on one side of the rotating seat (31), and the upper frame shell (32) is fixedly connected to the rotating seat (31).

3. The pressing mechanism for sealing the edges of an SMC sheet film according to claim 2, characterized in that, A front and rear sliding groove (311) for slidably installing the double pressing frame (4) is formed in the rotating seat (31), and a handrail frame (321) is fixedly installed on the upper end surface of the upper frame shell (32).

4. The pressing mechanism for sealing the edge of the SMC sheet film according to claim 3, characterized in that, A limiting slider (41) installed in the front and rear sliding groove (311) is arranged on one side of the double pressing frame (4), and a threaded groove (411) matched with the adjusting screw rod (5) is formed in the middle of the limiting slider (41).

5. The pressing mechanism for sealing the edge of an SMC sheet film according to claim 4, characterized in that, A positioning rod (322) is fixedly installed on the rear end surface of the upper frame shell (32), and a positioning groove (42) matched with the positioning rod (322) is formed at one end of the double pressing frame (4) far away from the limiting slider (41).

6. The holding mechanism for sealing the edge of an SMC sheet film according to claim 5, characterized in that The hot pressing frame (6) includes a heat insulation frame (61), an electric heating wire (62) and a metal pressing shell (63), the electric heating wire (62) is fixedly installed at the lower end of the heat insulation frame (61), the metal pressing shell (63) is sleeved at the lower end of the electric heating wire (62), and the metal pressing shell (63) is fixedly clamped with the heat insulation frame (61).

7. The pressing mechanism for sealing the edge of an SMC sheet film according to claim 6, characterized in that, A plurality of support springs (611) are arranged on the upper end surface of the heat insulation frame (61), and a top plate (612) is fixedly installed at the upper ends of the support springs (611).

Images