Poly urethane (PU) material flanging machine for rear panel sliding block

Abstract

The utility model provides a rear sliding block PU material flanging machine. The rear sliding block PU material flanging machine comprises a machine box, a hot-pressing mechanism and a positioning flanging mechanism, wherein the hot-pressing mechanism and the positioning flanging mechanism are vertically distributed and installed on the machine box. The positioning and edge folding mechanism comprises a bottom plate, a PU material positioning assembly, a rear panel sliding block positioning seat and a plurality of side jacking assemblies, the rear sliding block positioning seat and the side jacking assembly are arranged on the periphery of the PU material positioning assembly in a surrounding manner; the PU material positioning assembly comprises a base, a supporting plate and a silica gel sheet; a mounting groove is formed in the base; the silica gel sheet is tightly attached to the inner wall of the mounting groove, and the upper end extends above the mounting groove; the supporting plate is fixed in the mounting groove, and the periphery of the supporting plate abuts against the lower part of the silica gel sheet; the hot-pressing mechanism comprises a lifting driving device, a mounting plate, a positioning pressing block and a hot-pressing block; the lifting driving device is mounted on the case; a power output end of the lifting driving device is connected with the mounting plate; the positioning pressing block is mounted at the bottom of the mounting plate through an elastic connecting assembly; and the hot pressing block is fixed at the bottom of the mounting plate and sleeves the periphery of the positioning pressing block.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic folding equipment, in particular to a folding machine used for folding PU material of a rear slide block of a glasses case. Background Art

[0002] The glasses case is provided with a rear slider, the rear side of which is connected to a PU material block. The outer edge of the PU material block has a curved edge that is bent upwards. The curved edge needs to be bent inwards and hot-pressed onto the PU material block. However, due to the small height of the curved edge, it is difficult to bend the curved edge, which makes the processing difficult and affects the processing quality and efficiency. Utility Model Content

[0003] The utility model aims to provide a PU material folding machine for a rear slider to solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A rear slider PU material folding machine, comprising a chassis and a hot pressing mechanism and a positioning folding mechanism installed on the chassis in an upper and lower distribution; the positioning folding mechanism comprises a bottom plate and a PU material positioning component, a rear slider positioning seat and a plurality of side top pressing components installed on the bottom plate; the rear slider positioning seat and the side top pressing components are arranged around the outer periphery of the PU material positioning component; the PU material positioning component comprises a base, a support plate and a silicone sheet; a mounting groove is provided on the base; the silicone sheet corresponds to the inner side of a plurality of side top pressing components; the silicone sheet is tightly attached to the inner wall of the mounting groove and the upper end extends above the mounting groove; the support plate is fixed in the mounting groove and the outer periphery touches the lower part of the silicone sheet to press the lower part of the silicone sheet in the mounting groove; the hot pressing mechanism comprises a lifting drive device, a mounting plate, a positioning block and a hot pressing block; the lifting drive device is installed on the chassis and the power output end is connected to the mounting plate; the positioning block is installed at the bottom of the mounting plate through an elastic connecting component; the hot pressing block is fixed at the bottom of the mounting plate and is sleeved on the outer periphery of the positioning block.

[0006] Further description of the utility model: the rear slider positioning seat is arranged on the front side of the PU material positioning component; the rear slider positioning seat is provided with two first positioning columns distributed on the left and right; and the support plate is installed with a second positioning column.

[0007] Further description of the utility model: the side top pressure assembly is provided with seven groups; the side top pressure assembly includes a cylinder seat, a cylinder, a slide seat and a plug plate; the cylinder seat is fixed on the base plate; the slide seat is slidably connected to the base plate; the plug plate is fixed on the slide seat; the cylinder is installed on the cylinder seat and the power output end is connected to the slide seat, which is used to drive the slide seat to move forward and backward.

[0008] To further describe the utility model, a gasket is installed at the bottom of the support plate.

[0009] Further description of the utility model, the elastic connection component includes two limit rods, three limit screws and three springs; the two limit rods are distributed on the left and right; the head of the limit rod touches the top of the mounting plate and the lower end passes through the mounting plate and is locked on the positioning pressure block; the three limit screws are distributed in a triangular shape; the head of the limit screw touches the positioning pressure block downward, and the tail passes through the positioning pressure block and is locked on the mounting plate; the three springs are respectively mounted on the limit screws; the two ends of the spring touch the mounting plate and the positioning pressure block respectively.

[0010] Further description of the utility model: guide columns are installed at the four corners of the base plate; the mounting plate is slidably connected to the guide columns through guide sleeves.

[0011] The beneficial effects of the utility model are:

[0012] In this design, the rear slider is placed on the rear slider positioning seat, and the PU material connected to the rear slider is pressed onto the support plate of the PU material positioning assembly. The outer peripheral bent edge of the PU material fits the inner side of the silicone sheet to complete the installation of the product, start the equipment, and the lifting drive device controls the mounting plate to move downward. The positioning pressure block first contacts the middle position of the PU material to press the PU material into position, and then the side top pressing assembly works synchronously, pushing the silicone sheet inward from the side, and the silicone sheet drives the bent edge that fits it to bend and fit tightly to the upper surface of the PU material. Before the hot pressing block contacts the side top pressing assembly, the side top pressing assembly is reset, and the hot pressing block is pressed down on the silicone sheet. The periphery of the product is hot-pressed to complete the hot pressing of the folded edge of the PU material. This method uses the silicone sheet to bend the bent edge of the PU material, avoids the problem of the bent edge being too short and difficult to bend, and also improves work efficiency and processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the overall structure diagram of the utility model;

[0014] Figure 2 It is a structural diagram of the positioning and folding mechanism of the utility model;

[0015] Figure 3 This is a structural diagram of the PU material positioning component of the utility model;

[0016] Figure 4 It is a partial structural diagram of the hot pressing mechanism of the utility model;

[0017] Figure 5 It is a structural diagram of the positioning pressing block and the elastic connecting component of the utility model. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] like Figure 1-5 As shown, a rear slider PU material folding machine includes a chassis 1 and a hot pressing mechanism 2 and a positioning folding mechanism 3 installed on the chassis 1 in an upper and lower distribution; the positioning folding mechanism 3 includes a bottom plate 31 and a PU material positioning component 32 installed on the bottom plate 31, a rear slider positioning seat 33 and a plurality of side top pressing components 34; the rear slider positioning seat 33 and the side top pressing components 34 are arranged around the periphery of the PU material positioning component 32; the PU material positioning component 32 includes a base 321, a support plate 322 and a silicone sheet 323; the base 321 is provided with an installation groove; the silicone sheet 323 corresponds to a plurality of The inner side of the dry group side pressing component 34; the silicone sheet 323 is tightly attached to the inner wall of the mounting groove and the upper end extends above the mounting groove; the support plate 322 is fixed in the mounting groove and the outer periphery touches the lower part of the silicone sheet 323, pressing the lower part of the silicone sheet 323 in the mounting groove; the hot pressing mechanism 2 includes a lifting drive device 21, a mounting plate 22, a positioning block 23 and a hot pressing block 24; the lifting drive device 21 is installed on the chassis 1 and the power output end is connected to the mounting plate 22; the positioning block 23 is installed at the bottom of the mounting plate 22 through an elastic connecting component 25; the hot pressing block 24 is fixed in the mounting groove The bottom of the mounting plate 22 is sleeved on the outer periphery of the positioning block 23, and the elastic connection component 25 will touch the positioning block 23 and move downward. At this time, the positioning block 23 extends to the bottom of the hot pressing block 24. When the lifting drive device 21 controls the mounting plate 22 to descend, the positioning block 23 will first contact the PU material to realize the pressing and positioning of the PU material, and then continue to drive it down. The hot pressing block 24 descends and presses it to the folding position of the PU material for hot pressing; the design places the rear slider on the rear slider positioning seat 33, and the PU material connected to the rear slider is pressed onto the support plate 322 of the PU material positioning component 32, and the outer periphery of the PU material is bent. The product is installed by fitting it to the inner side of the silicone sheet 323, starting the equipment, and the lifting drive device 21 controls the mounting plate 22 to move downward. The positioning block 23 first contacts the middle of the PU material to press the PU material into position, and then the side top pressing assembly 34 works synchronously to touch the silicone sheet 323 from the side and push it inward. The silicone sheet 323 drives the bent edge that fits it to bend and fit tightly to the upper surface of the PU material. Before the hot pressing block 24 contacts the side top pressing assembly 34, the side top pressing assembly 34 is reset, and the hot pressing block 24 is pressed down on the silicone sheet 323 to perform hot pressing processing on the periphery of the product, thereby completing the hot pressing of the folded edge of the PU material.

[0020] The rear slider positioning seat 33 is arranged on the front side of the PU material positioning component 32; the rear slider positioning seat 33 is provided with two first positioning columns 331 distributed on the left and right; the support plate 322 is installed with a second positioning column 3221, the rear slider has two positioning holes, which cooperate with the first positioning columns 331 for positioning, and the PU material has a positioning hole, which cooperates with the second positioning column 3221 for positioning.

[0021] The side top pressure assembly 34 is provided with seven groups; the side top pressure assembly 34 includes a cylinder seat 341, a cylinder 342, a slide 343 and an insert plate 344; the cylinder seat 341 is fixed on the base plate 31; the slide 343 is slidably connected to the base plate 31; the insert plate 344 is fixed on the slide 343; the cylinder 342 is installed on the cylinder seat 341 and the power output end is connected to the slide 343, which is used to drive the slide 343 to move forward and backward. After the seven insert plates 344 are pushed to one side of the PU material positioning assembly 32, the adjacent insert plates 344 are in close contact to push the silicone sheet 323 inward.

[0022] A gasket is installed at the bottom of the support plate 322, and the height of the support plate 322 can be adjusted through the gasket to adapt to the product.

[0023] The elastic connection component 25 includes two limit rods 251, three limit screws 252 and three springs 253; the two limit rods 251 are arranged in a left-right distribution; the head of the limit rod 251 touches the top of the mounting plate 22 and the lower end passes through the mounting plate 22 and is locked on the positioning block 23; the three limit screws 252 are arranged in a triangular distribution; the head of the limit screw 252 touches the positioning block 23 downward, and the tail passes through the positioning block 23 and is locked on the mounting plate 22; the three springs 253 are respectively sleeved on the limit screws 252; the two ends of the spring 253 touch the mounting plate 22 and the positioning block 23 respectively, and the spring 253 touches the positioning block 23 to move downward, and the setting of the limit screw 252 and the rod provides upper and lower position limits for the positioning block 23.

[0024] Guide pillars 311 are installed at the four corners of the bottom plate 31 ; the mounting plate 22 is slidably connected to the guide pillars 311 via guide sleeves 221 to improve the position accuracy.

[0025] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A rear slider PU material folding machine, characterized by: It includes a chassis and a hot pressing mechanism and a positioning folding mechanism installed on the chassis in an upper and lower distribution; the positioning folding mechanism includes a bottom plate and a PU material positioning component, a rear slider positioning seat and several groups of side top pressure components installed on the bottom plate; the rear slider positioning seat and the side top pressure component are arranged around the outer periphery of the PU material positioning component; the PU material positioning component includes a base, a support plate and a silicone sheet; a mounting groove is provided on the base; the silicone sheet corresponds to the inner side of several groups of side top pressure components; the silicone sheet is tightly attached to the inner wall of the mounting groove and the upper end extends above the mounting groove; the support plate is fixed in the mounting groove and the outer periphery touches the lower part of the silicone sheet to press the lower part of the silicone sheet in the mounting groove; the hot pressing mechanism includes a lifting drive device, a mounting plate, a positioning block and a hot pressing block; the lifting drive device is installed on the chassis and the power output end is connected to the mounting plate; the positioning block is installed at the bottom of the mounting plate through an elastic connecting component; the hot pressing block is fixed at the bottom of the mounting plate and is sleeved on the outer periphery of the positioning block.

2. The rear slider PU material folding machine according to claim 1, characterized in that: The rear sliding block positioning seat is arranged at the front side of the PU material positioning assembly; two first positioning columns distributed on the left and right are arranged on the rear sliding block positioning seat; and a second positioning column is installed on the support plate.

3. The rear slider PU material folding machine according to claim 2, characterized in that: The side top pressure assembly is provided with seven groups; the side top pressure assembly comprises a cylinder seat, a cylinder, a slide seat and a plug plate; the cylinder seat is fixed on the base plate; the slide seat is slidably connected to the base plate; the plug plate is fixed on the slide seat; the cylinder is installed on the cylinder seat and the power output end is connected to the slide seat, so as to drive the slide seat to move forward and backward.

4. The rear slider PU material folding machine according to claim 1, characterized in that: A gasket is installed at the bottom of the support plate.

5. The rear slider PU material folding machine according to claim 1, characterized in that: The elastic connection component includes two limit rods, three limit screws and three springs; the two limit rods are distributed on the left and right; the head of the limit rod touches the top of the mounting plate and the lower end passes through the mounting plate and is locked on the positioning pressure block; the three limit screws are distributed in a triangular shape; the head of the limit screw touches the positioning pressure block downward, and the tail passes through the positioning pressure block and is locked on the mounting plate; the three springs are respectively mounted on the limit screws; the two ends of the spring touch the mounting plate and the positioning pressure block respectively.

6. The rear slider PU material folding machine according to claim 1, characterized in that: Guide columns are installed at the four corners of the bottom plate; the mounting plate is slidably connected with the guide columns through guide sleeves.

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