A silicone rubber article opening device

Abstract

The utility model provides a kind of silicon rubber product trepanning device, it is related to silicon rubber product field, including guide mechanism, the bottom of guide mechanism is fixedly connected with connecting mechanism;In the utility model, in guide mechanism, first electric push rod can drive lifting frame to realize height flexible adjustment, adapt to different thickness silicon rubber sheet, two-way screw and slider cooperate, drive both sides positioning baffle synchronous adjustment interval, satisfy the processing demand of a variety of width products, significantly improve equipment versatility, side positioning baffle built-in elastic pressure wheel, both can reliably compact silicon rubber sheet on conveying belt by elastic pressure, enhance friction, prevent skidding, also can effectively reduce the friction damage to product surface by rolling contact, furthermore, first servo motor is driven two-way screw by belt pulley and synchronous belt transmission, ensure smooth operation, accurate adjustment, replace manual operation, substantially reduce labor intensity, while guarantee consistency and repeat accuracy of processing process.

Description

Technical Field

[0001] This utility model relates to the field of silicone rubber products, and in particular to a hole-opening device for silicone rubber products. Background Technology

[0002] Silicone rubber products are a variety of products made from silicone and rubber as the main raw materials through processes such as mixing, slurry blowing, filtration, vulcanization, molding, extrusion, and bonding. These products are widely used in many areas of daily life, such as remote controls, keyboards, scanners, mobile phones, electronic dictionaries, and mobile phone cases.

[0003] A silicone rubber product opening device is a device specifically designed for opening holes in silicone rubber materials.

[0004] An existing silicone rubber product opening device has the following shortcomings: In the production of silicone rubber sheets, the hole-making process needs to be completed with the help of a hole-making device. The silicone rubber sheets need to be conveyed to the cutting device by a conveyor device, which consists of a conveyor belt and a drive mechanism. The silicone rubber sheets are directly placed on the conveyor belt for conveying. However, because the surface of the conveyor belt is relatively smooth, the static friction between it and the silicone rubber sheets is relatively small. In actual production scenarios, the silicone rubber sheets often slip. This problem will cause the silicone rubber sheets to be unable to maintain a relatively fixed state with the conveyor device, which will lead to hole misalignment in the subsequent hole-making process, affecting the processing accuracy and product quality of the silicone rubber sheets and adversely affecting the production process. Utility Model Content

[0005] This invention can press a silicone rubber sheet onto the conveyor belt to ensure accurate subsequent hole positioning, thereby solving the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a hole-opening device for silicone rubber products, comprising a guiding mechanism, wherein a connecting mechanism is fixedly connected to the bottom of the guiding mechanism; the guiding mechanism includes a first electric push rod, wherein a lifting frame is fixedly connected to the shaft end of the first electric push rod, a set of bidirectional screws is movably inserted into the inner wall of the lifting frame, and sliders are slidably connected to the inner wall of the lifting frame, wherein side positioning baffles are fixedly connected to the bottom of the sliders, and elastic pressure rollers are movably inserted into the inner wall of the side positioning baffles; a first pulley and a second pulley are movably inserted into the inner wall of the lifting frame respectively; and a first servo motor is fixedly installed on one side of the front of the lifting frame. Through the above components, the silicone rubber sheet can be positioned and pressed to prevent displacement.

[0007] Preferably, the outer wall thread of the bidirectional screw penetrates the inner wall of the slider, and the outer walls of the first pulley and the second pulley are fixedly connected to one end of the bidirectional screw. By driving the slider with the bidirectional screws rotating in opposite directions, the two sets of sliders can move synchronously in opposite directions or in opposite directions, flexibly adjust the spacing, and ensure that the side positioning baffle can adapt to silicone rubber sheets of various specifications, thereby improving the versatility of the equipment.

[0008] Preferably, the inner walls of the first pulley and the second pulley are fitted with a synchronous belt, and the first pulley and the second pulley are connected to the synchronous belt through frictional transmission. The output end of the first servo motor is fixedly connected to the front of the first pulley, and the first pulley and the second pulley are connected through synchronous belt transmission. By utilizing the characteristics of the synchronous belt that it has no slippage and a constant transmission ratio, the two bidirectional screws are ensured to rotate synchronously.

[0009] Preferably, the connecting mechanism includes a base plate, a set of rotating wheels is movably inserted into the inner wall of the base plate, a conveyor belt is sleeved on the outer wall of the rotating wheels, the rotating wheels and the conveyor belt are connected by frictional transmission, a second servo motor is fixedly installed on one side of the front of the base plate, the output end of the second servo motor is fixedly connected to the front of one of the rotating wheels, the set of rotating wheels and the conveyor belt form a conveying system, the rotating wheels and the conveyor belt are transmitted by friction, the second servo motor directly drives the rotating wheels, and the running speed of the conveyor belt can be precisely controlled.

[0010] Preferably, each of the base plates is fixedly connected to a support plate at its bottom, and each of the support plates is fixedly connected to a rubber pad at its bottom. The support plates and rubber pads ensure the stability of the equipment position during processing.

[0011] Preferably, a PLC controller is fixedly installed on one side of the front of the base plate. The PLC controller can centrally control the operation of the first servo motor, the second servo motor, the third servo motor, the first electric push rod, and the second electric push rod.

[0012] Preferably, a connecting plate is fixedly connected to the inner wall of the base plate, a second electric push rod is fixedly installed on the top of the connecting plate, a third servo motor is fixedly installed on the shaft end of the second electric push rod, and a carbide-coated tool is fixedly connected to the output end of the third servo motor. The second electric push rod drives the third servo motor and the carbide-coated tool to move up and down, and the third servo motor drives the tool to rotate at high speed to complete the hole opening operation.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, in the guiding mechanism, the first electric push rod can drive the lifting frame to achieve flexible height adjustment, adapting to silicone rubber sheets of different thicknesses. The bidirectional screw and slider work together to drive the positioning baffles on both sides to synchronously adjust the spacing, meeting the processing needs of products with various widths and significantly improving the versatility of the equipment. The side positioning baffles have built-in elastic pressure rollers, which can reliably press the silicone rubber sheet onto the conveyor belt through elastic pressure, enhancing friction and preventing slippage. They can also effectively reduce frictional damage to the surface of the product through rolling contact. The combination of these features can press the silicone rubber sheet onto the conveyor belt, ensuring accurate subsequent hole positioning. In addition, the first servo motor drives the bidirectional screw through a pulley and synchronous belt transmission, ensuring smooth operation and precise adjustment, replacing manual operation, greatly reducing labor intensity, and ensuring the consistency and repeatability of the processing process.

[0014] 2. In this utility model, the conveying system composed of the second servo motor driving the rotating wheel and the conveyor belt in the connecting mechanism can achieve precise control of the conveying speed, effectively avoid positioning deviation caused by speed fluctuations, and meet the high precision requirements of batch continuous production. The bottom of the base plate is equipped with a support plate and rubber pad, which not only enhances the overall stability of the equipment, but also effectively absorbs vibration during operation and reduces the adverse effects of vibration on processing accuracy. The control system adopts PLC centralized management to coordinate the operation of each servo motor and electric push rod, realize the full-process automated linkage of positioning, conveying and drilling, and improve production efficiency and consistency. Attached Figure Description

[0015] Figure 1 This utility model provides a perspective view of the main structure of an opening device for silicone rubber products. Figure 2 An enlarged perspective view of the structure connected to the first electric push rod in the hole-opening device for silicone rubber products is provided for this utility model. Figure 3 An enlarged perspective view of a bidirectional screw connection structure in a silicone rubber product opening device is provided for this utility model; Figure 4 An enlarged perspective view of the bottom plate connection structure in a silicone rubber product opening device is provided for this utility model. Figure 5 This utility model presents an enlarged perspective view of the structure connecting the carbide-coated cutting tool in a hole-opening device for silicone rubber products.

[0016] Legend: 1. Guiding mechanism; 101. First electric push rod; 102. Lifting frame; 103. First servo motor; 104. Bidirectional screw; 105. Slider; 106. Elastic pressure roller; 107. Side positioning baffle; 108. Second pulley; 109. Synchronous belt; 110. First pulley; 2. Connecting mechanism; 201. Base plate; 202. Connecting plate; 203. PLC controller; 204. Second servo motor; 205. Rotating wheel; 206. Conveyor belt; 207. Rubber pad; 208. Support plate; 209. Second electric push rod; 210. Third servo motor; 211. Carbide coated cutting tool. Detailed Implementation

[0017] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0019] Please see Figures 1-5 This utility model provides a technical solution: a hole-opening device for silicone rubber products, including a guide mechanism 1, with a connecting mechanism 2 fixedly connected to the bottom of the guide mechanism 1; the guide mechanism 1 includes a first electric push rod 101, with a lifting frame 102 fixedly connected to the shaft end of the first electric push rod 101, a set of bidirectional screws 104 movably inserted into the inner wall of the lifting frame 102, sliders 105 slidably connected to the inner wall of the lifting frame 102, side positioning baffles 107 fixedly connected to the bottom of each slider 105, elastic pressure rollers 106 movably inserted into the inner wall of each side positioning baffle 107, a first pulley 110 and a second pulley 108 movably inserted into the inner wall of the lifting frame 102 respectively, and a first servo motor 103 fixedly installed on one side of the front of the lifting frame 102. Through the above components, the silicone rubber sheet can be positioned and pressed to avoid displacement.

[0020] like Figure 3 As shown, the outer wall thread of the bidirectional screw 104 penetrates the inner wall of the slider 105. The outer walls of the first pulley 110 and the second pulley 108 are fixedly connected to one end of the bidirectional screw 104. The slider 105 is driven by the bidirectional screw 104 with opposite rotation direction, so that the two sets of sliders 105 can move synchronously in opposite directions, flexibly adjust the spacing, and ensure that the side positioning baffle 107 can adapt to silicone rubber sheets of various specifications, thereby improving the versatility of the equipment.

[0021] like Figure 3 As shown, a synchronous belt 109 is fitted on the inner wall of the first pulley 110 and the second pulley 108. The first pulley 110 and the second pulley 108 are connected to the synchronous belt 109 by frictional transmission. The output end of the first servo motor 103 is fixedly connected to the front of the first pulley 110. The first pulley 110 and the second pulley 108 are connected by transmission through the synchronous belt 109. By utilizing the characteristics of the synchronous belt 109, which has no slippage and a constant transmission ratio, the two bidirectional screws 104 are ensured to rotate synchronously.

[0022] like Figure 4 As shown, the connecting mechanism 2 includes a base plate 201. A set of rotating wheels 205 are movably inserted into the inner wall of the base plate 201. A conveyor belt 206 is sleeved on the outer wall of the rotating wheels 205. The rotating wheels 205 and the conveyor belt 206 are connected by frictional transmission. A second servo motor 204 is fixedly installed on one side of the front of the base plate 201. The output end of the second servo motor 204 is fixedly connected to the front of one of the rotating wheels 205. The set of rotating wheels 205 and the conveyor belt 206 form a conveying system. The rotating wheels 205 and the conveyor belt 206 are transmitted by friction. The second servo motor 204 directly drives the rotating wheels 205, which can precisely control the running speed of the conveyor belt 206.

[0023] like Figure 4 As shown, a support plate 208 is fixedly connected to the bottom of the base plate 201, and a rubber pad 207 is fixedly connected to the bottom of the support plate 208. The support plate 208 and the rubber pad 207 are set to ensure the stability of the equipment position during the processing.

[0024] like Figure 4 As shown, a PLC controller 203 is fixedly installed on one side of the front of the base plate 201. The PLC controller 203 can centrally control the operation of the first servo motor 103, the second servo motor 204, the third servo motor 210, the first electric push rod 101, and the second electric push rod 209.

[0025] like Figure 5 As shown, a connecting plate 202 is fixedly connected to the inner wall of the base plate 201. A second electric push rod 209 is fixedly installed on the top of the connecting plate 202. A third servo motor 210 is fixedly installed on the shaft end of the second electric push rod 209. A carbide coated tool 211 is fixedly connected to the output end of the third servo motor 210. The second electric push rod 209 drives the third servo motor 210 and the carbide coated tool 211 to move up and down. The third servo motor 210 drives the tool to rotate at high speed to complete the hole opening operation.

[0026] The operation and working principle of this device are as follows: First, the operator sets the processing parameters through the control panel on the PLC controller 203, including the thickness, width, and opening position and depth of the silicone rubber sheet. After the equipment is started, the first servo motor 103 starts, and its output drives the first pulley 110 to rotate. The first pulley 110 drives the second pulley 108 to rotate synchronously through the friction transmission of the synchronous belt 109. The bidirectional screw 104 is fixedly connected to the two pulleys and rotates synchronously with them. Since the outer thread of the bidirectional screw 104 is engaged with the inner thread of the slider 105, and the threads at both ends rotate in opposite directions, the slider 105 slides synchronously in opposite directions along the axial direction on the inner wall of the lifting frame 102, thereby driving the side positioning baffle 107 fixed at the bottom to adjust to the distance matching the width of the silicone rubber sheet. At the same time, the first electric push rod 101 drives the lifting frame 102 to descend, so that the elastic pressure roller 106 movably installed on the inner wall of the side positioning baffle 107 contacts the surface of the silicone rubber sheet. Under the action of elastic pressure, the elastic pressure roller 106 presses the silicone rubber sheet. The silicone rubber sheet is pressed firmly onto the conveyor belt 206, effectively limiting slippage and ensuring stable positioning. Then, the second servo motor 204 drives the rotating wheel 205 fixed at its output end to rotate. The rotating wheel 205 drives the conveyor belt 206 to rotate through friction, conveying the silicone rubber sheet to be processed. When the silicone rubber sheet moves with the conveyor belt 206 to the predetermined opening position, the PLC controller 203 controls the conveyor belt 206 to stop. At this time, the second electric push rod 209 starts, driving the third servo motor 210 fixed at its shaft end and the carbide coated tool 211 to feed downward. At the same time, the third servo motor 210 drives the carbide coated tool 211 to rotate at high speed, performing precise opening operations on the silicone rubber sheet. After the opening is completed, the second electric push rod 209 drives the tool assembly to reset, the second servo motor 204 restarts, and drives the conveyor belt 206 to continue running, conveying the processed silicone rubber sheet to the right side. At the same time, new materials to be processed are put into the left side of the conveyor belt 206, and the above process is repeated to realize continuous and automated opening operations.

[0027] The PLC controller 203, the first servo motor 103, the first electric actuator 101, the second servo motor 204, the third servo motor 210, and the second electric actuator 209 used in this application are all common equipment on the market and are well known to those skilled in the art. In this application, the above equipment is used in a conventional manner without any improvement to its structure and function. As for their settings, installation, and electrical connection methods, those skilled in the art can debug and operate them according to the corresponding product instruction manuals, so they will not be described in detail here.

[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A hole-opening device for silicone rubber products, characterized in that, Includes a guide mechanism (1), and a connecting mechanism (2) is fixedly connected to the bottom of the guide mechanism (1); The guiding mechanism (1) includes a first electric push rod (101), the shaft end of the first electric push rod (101) is fixedly connected to a lifting frame (102), a set of bidirectional screws (104) are movably inserted into the inner wall of the lifting frame (102), sliders (105) are slidably connected to the inner wall of the lifting frame (102), side positioning baffles (107) are fixedly connected to the bottom of the sliders (105), elastic pressure rollers (106) are movably inserted into the inner wall of the side positioning baffles (107), a first pulley (110) and a second pulley (108) are movably inserted into the inner wall of the lifting frame (102), and a first servo motor (103) is fixedly installed on one side of the front of the lifting frame (102).

2. The opening device for silicone rubber products according to claim 1, characterized in that: The outer wall thread of the bidirectional screw (104) penetrates the inner wall of the slider (105), and the outer walls of the first pulley (110) and the second pulley (108) are fixedly connected to one end of the bidirectional screw (104).

3. The opening device for silicone rubber products according to claim 1, characterized in that: The inner walls of the first pulley (110) and the second pulley (108) are fitted with a synchronous belt (109). The first pulley (110) and the second pulley (108) are connected to the synchronous belt (109) by frictional transmission. The output end of the first servo motor (103) is fixedly connected to the front of the first pulley (110).

4. The opening device for silicone rubber products according to claim 1, characterized in that: The connecting mechanism (2) includes a base plate (201), a set of rotating wheels (205) are movably inserted into the inner wall of the base plate (201), and a conveyor belt (206) is sleeved on the outer wall of the rotating wheels (205). The rotating wheels (205) and the conveyor belt (206) are connected by frictional transmission. A second servo motor (204) is fixedly installed on one side of the front of the base plate (201), and the output end of the second servo motor (204) is fixedly connected to the front of one of the rotating wheels (205).

5. The opening device for silicone rubber products according to claim 4, characterized in that: The bottom of each base plate (201) is fixedly connected to a support plate (208), and the bottom of each support plate (208) is fixedly connected to a rubber pad (207).

6. The opening device for silicone rubber products according to claim 4, characterized in that: A PLC controller (203) is fixedly installed on one side of the front of the base plate (201).

7. The opening device for silicone rubber products according to claim 4, characterized in that: A connecting plate (202) is fixedly connected to the inner wall of the base plate (201). A second electric push rod (209) is fixedly installed on the top of the connecting plate (202). A third servo motor (210) is fixedly installed on the shaft end of the second electric push rod (209). A carbide coated tool (211) is fixedly connected to the output end of the third servo motor (210).

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