Ejection mechanism of silica gel product extruder
By combining the design of the buffer component and the ejection component, the problem of shaking during the ejection process of silicone products is solved, achieving stable ejection operation and improving product quality and precision.
Patent Information
- Application Number
- CN202520318601.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-26
AI Technical Summary
The ejection device of traditional silicone extruders has a simple structure, which makes silicone products prone to shaking during the ejection process, resulting in defects such as surface scratches and deformation, affecting product quality and precision, especially in applications with high precision requirements, where the scrap rate is high.
The design employs a combination of buffer and ejection components, including a cylinder, guide rod, limiting circular plate, and electric push rod. A stable ejection process is achieved through the cooperation of the threaded rod and the locking plate.
It improves the stability of silicone product ejection, prevents shaking, ensures product surface quality and dimensional accuracy, and reduces the scrap rate.
Smart Images

Figure CN223763611U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of silica gel product production, specifically to the ejection mechanism of silica gel product extruding machine. BACKGROUND
[0002] Silica gel products are various products made of silica gel as the main raw material. Silica gel products have many excellent properties. First, it has excellent high temperature resistance, can maintain stable physical and chemical properties in a wide temperature range, generally can withstand -40 DEG C to 230 DEG C or even higher temperature, which makes the application of silica gel products in high temperature environment very extensive, such as high temperature baking mold, sealing parts around the automobile engine, etc.
[0003] The traditional silica gel product extruding machine ejection method has many deficiencies. In some early equipment, the ejection device structure is simple and shabby, often only relying on a single mechanical structure to directly eject silica gel products. This way lacks precise control and stable support, and in the ejection process, silica gel products are prone to shaking. Since silica gel products may have a complex shape and structure after forming, slight shaking may cause friction and collision with the inner wall of the mold, resulting in scratches, deformation and other defects on the surface of the product, which seriously affects the appearance quality and dimensional accuracy of the product. For some high-precision silica gel products, such as silica gel seals in electronic equipment, silica gel parts in the medical field, etc. These defects may cause the product to be unable to use normally, greatly increasing the scrap rate and increasing the production cost. UTILITY MODEL CONTENT
[0004] The utility model aims at providing the ejection mechanism of silica gel product extruding machine, achieves the purpose that improves the stability of ejection.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: the ejection mechanism of silica gel product extruding machine, including workbench, the surface of workbench is provided with controller, the bottom of workbench is fixedly installed with bottom plate, the top of workbench is fixedly installed with support frame, workbench and support frame are provided with extruding assembly between them.
[0006] Preferably, the extruding assembly comprises: a buffer component arranged at the bottom of the support frame; and an ejection component arranged at the top of the workbench.
[0007] Preferably, the buffer component comprises: a gas cylinder fixedly installed at the top of the support frame; and a guide long rod symmetrically fixedly installed at the top of the workbench.
[0008] The top end of the guide long rod is fixedly connected with the support frame, the telescopic end of the air cylinder is movably penetrated through the top of the support frame and extends to the bottom of the support frame, and the connecting shell is fixedly installed.
[0009] The top end of the guide long rod is fixedly connected with the support frame, which provides the guide plates on the two sides of the connecting shell with accurate sliding tracks.
[0010] Preferably, the inside of the connecting barrel is slidably connected with a limiting circular plate, the top of the limiting circular plate is fixedly installed with a spring, the other end of the spring is fixedly connected with the connecting barrel, the bottom of the limiting circular plate is fixedly installed with a connecting column, the connecting column is movably penetrated through the inner wall of the connecting barrel and extends to the outer wall of the connecting barrel, and the connecting column is fixedly installed with a connecting inner shell, the connecting inner shell is slidably connected with the connecting shell, the bottom of the connecting inner shell is fixedly installed with a connecting top plate, and the bottom of the connecting top plate is fixedly installed with an extrusion block.
[0011] The connecting inner shell transmits force to the limiting circular plate through the connecting column, and the limiting circular plate extrudes the spring upwards, so that the spring can effectively absorb and buffer impact energy, avoiding damage to the mechanical structure of the equipment due to excessive instantaneous impact force.
[0012] Preferably, the ejecting part comprises: a back plate fixedly installed on the back of the support frame; an L-shaped fixed plate fixedly installed on the front of the workbench; and an electric push rod two fixedly installed on the top of the bottom plate.
[0013] Preferably, the inside of the back plate is slidably sleeved with an electric push rod one, the telescopic end of the electric push rod one is fixedly installed with a lower mold, the bottom of the lower mold is provided with a connecting port, the side surface of the connecting port is provided with a clamping groove, the lower mold is connected with a clamping block through the clamping groove, the clamping blocks are fixedly installed with an ejecting plate, the ejecting plate is connected with the lower mold through the connecting port, the bottom of the ejecting plate is fixedly installed with a clamping frame, the surface of the L-shaped fixed plate is provided with a movable port, the bottom of the L-shaped fixed plate is fixedly installed with a fixed outer frame, and the fixed outer frame is sleeved on the outside of the electric push rod two.
[0014] The ejecting plate is connected with the clamping groove at the bottom of the lower mold through the clamping block, so that the relative fixation between the ejecting plate and the lower mold is ensured.
[0015] Preferably, the telescopic end of the second electric push rod is fixedly provided with a motor, the output end of the motor is provided with a threaded rod, the top end of the threaded rod is rotatably connected with a connecting plate through a bearing, the surface of the connecting plate is symmetrically provided with a sliding opening, the outer wall of the threaded rod is threadedly connected with a threaded sleeve, the outer wall of the threaded sleeve is symmetrically movably provided with a connecting rod, the other end of the connecting rod is movably provided with a sliding block, the sliding block is slidably connected with the connecting plate through the sliding opening, the top of the sliding block is fixedly provided with an engaging plate, the engaging plate is matched with an engaging frame, the engaging plate is arranged on the top of the connecting plate, and the outer wall of the sliding block is symmetrically fixedly provided with a limiting square plate, the limiting square plate is arranged on the bottom of the connecting plate.
[0016] The sliding opening on the connecting plate provides stable movement guide for the sliding block.
[0017] The utility model provides a ejection mechanism of silica gel product extruding machine.
[0018] (1), the utility model discloses a motor is started, and the threaded rod is rotated, because the threaded rod is connected with the threaded sleeve threadedly, and the threaded sleeve moves upwards on the threaded rod, and the movement of the threaded sleeve is slid in the sliding opening of the connecting plate through the connecting rod and pushes the sliding block, and the engaging plate on the top of the sliding block rises along with, when the engaging plate rises to the position corresponding with the engaging frame, the engaging plate is mutually engaged with the engaging frame, reaches the stability of the silica gel product and prevents the effect that the shaking occurs in the ejection process.
[0019] (2), the utility model discloses that the second electric push rod is started through the controller, and the telescopic end of the second electric push rod pushes the motor upwards, and simultaneously drives the bottom contact of the connecting plate and the ejection plate, and the second electric push rod continues to rise and drives the ejection plate to rise, and the silica gel product after forming is ejected from the lower mould, and in the ejection process, the limiting square plate plays the limiting effect at the bottom of the connecting plate, prevents the sliding block and rises excessively and separates from the connecting plate, ensures the stable and reliable ejection operation, reaches the effect that the silica gel product is ejected conveniently. ACCURACY OF DRAWINGS
[0020] Figure 1 It is the whole structure stereogram of the utility model;
[0021] Figure 2 It is the buffer component structure sectional view of the utility model;
[0022] Figure 3 It is the local structure sectional view of the ejection component of the utility model;
[0023] Figure 4 It is the ejection component structure sectional view of the utility model.
[0024] In the figure: 1 workbench, 2 controller, 3 bottom plate, 4 support frame, 5 extrusion assembly;
[0025] 51 buffer component, 511 air cylinder, 512 guide long rod, 513 connecting shell, 514 guide plate, 515 connecting barrel, 516 limit round plate, 517 spring, 518 connecting column, 519 connecting inner shell, 5111 connecting top plate, 5112 extrusion block;
[0026] 52 ejection component, 521 back plate, 522 electric push rod one, 523 lower mold, 524 clamping block, 525 ejection plate, 526 clamping frame, 527 L-shaped fixed plate, 528 fixed outer frame, 529 electric push rod two, 5211 motor, 5212 threaded rod, 5213 connecting plate, 5214 threaded sleeve, 5215 connecting rod, 5216 sliding block, 5217 clamping plate, 5218 limit square plate. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0028] Examples of the described embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application. EMBODIMENTS
[0029] The preferred embodiment of the ejection mechanism of the silica gel product extruder provided by the present application is as follows Figures 1-4The illustrated: the ejection mechanism of silica gel product extruder, including workbench 1, the surface of workbench 1 is provided with controller 2, the bottom of workbench 1 is fixedly installed with bottom plate 3, the top of workbench 1 is fixedly installed with support frame 4, the extrusion assembly 5 is arranged between workbench 1 and support frame 4, and the extrusion assembly 5 comprises: buffer component 51, which is arranged at the bottom of support frame 4; the ejection component 52 is arranged at the top of workbench 1; the buffer component 51 comprises: air cylinder 511, which is fixedly installed at the top of support frame 4; guide long rod 512, which is fixedly installed at the top of workbench 1 in a symmetrical manner; the top end of the guide long rod 512 is fixedly connected with the support frame 4, the telescopic end of the air cylinder 511 is movably penetrated through the top of the support frame 4 and extends to the bottom of the support frame 4, and a connecting shell 513 is fixedly installed, guide plates 514 are fixedly installed on the two sides of the connecting shell 513 in a symmetrical manner, the guide plates 514 are slidably sleeved with the guide long rod 512, a connecting barrel 515 is fixedly installed on the inner wall top of the connecting shell 513, a limiting circular plate 516 is slidably connected in the connecting barrel 515, a spring 517 is fixedly installed on the top of the limiting circular plate 516, the other end of the spring 517 is fixedly connected with the connecting barrel 515, a connecting column 518 is fixedly installed on the bottom of the limiting circular plate 516, the connecting column 518 movably penetrates through the inner wall of the connecting barrel 515 and extends to the outer wall of the connecting barrel 515, and a connecting inner shell 519 is fixedly installed, the connecting inner shell 519 is slidably connected with the connecting shell 513, a connecting top plate 5111 is fixedly installed on the bottom of the connecting inner shell 519, and an extrusion block 5112 is fixedly installed on the bottom of the connecting top plate 5111.
[0030] Further, in the embodiment, the air cylinder 511 is started, the telescopic end thereof is extended downward, the connecting shell 513, the guide plates 514, the connecting inner shell 519 and the connecting top plate 5111 and the extrusion block 5112 are driven to move downward as a whole, the guide plates 514 on the two sides of the connecting shell 513 stably slide along the guide long rod 512, the accuracy of the movement direction is ensured, when the connecting top plate 5111 is subjected to upward resistance, the connecting column 518 pushes the limiting circular plate 516 upward, the spring 517 is compressed, the spring 517 plays a buffering role, the extrusion process is more stable, damage to the mold and the silica gel product caused by excessive impact force is avoided, and the extrusion block 5112 cooperates with the lower mold 523 to extrude and form the silica gel raw material. Embodiment
[0031] On the basis of the first embodiment, the preferred embodiment of the ejection mechanism of the silica gel product extruder provided by the utility model is Figures 1-4The ejection part 52 comprises: a back plate 521 fixedly installed on the back of the support frame 4; an L-shaped fixed plate 527 fixedly installed on the front of the workbench 1; an electric push rod two 529 fixedly installed on the top of the bottom plate 3; an electric push rod one 522 fixedly installed in the inside of the back plate 521, the telescopic end of the electric push rod one 522 is fixedly installed with a lower mold 523, the bottom of the lower mold 523 is provided with a connecting port, the side of the connecting port is provided with a clamping groove, the lower mold 523 is clamped and connected with a clamping block 524 through the clamping groove, the clamping block 524 is fixedly installed with an ejection plate 525, the ejection plate 525 is clamped and connected with the lower mold 523 through the connecting port, the bottom of the ejection plate 525 is fixedly installed with a clamping frame 526 in a symmetrical manner, the surface of the L-shaped fixed plate 527 is provided with a movable port, the bottom of the L-shaped fixed plate 527 is fixedly installed with a fixed outer frame 528, the fixed outer frame 528 is sleeved on the outside of the electric push rod two 529, the telescopic end of the electric push rod two 529 is fixedly installed with a motor 5211, the output end of the motor 5211 is provided with a threaded rod 5212, the top end of the threaded rod 5212 is rotatably connected with a connecting plate 5213 through a bearing, the surface of the connecting plate 5213 is provided with a sliding port in a symmetrical manner, the outer wall of the threaded rod 5212 is threadedly connected with a threaded sleeve ring 5214, the outer wall of the threaded sleeve ring 5214 is movably provided with a connecting rod 5215 in a symmetrical manner, the other end of the connecting rod 5215 is movably provided with a sliding block 5216, the sliding block 5216 is slidably connected with the connecting plate 5213 through the sliding port, the top of the sliding block 5216 is fixedly installed with a clamping plate 5217, the clamping plate 5217 is matched with the clamping frame 526, the clamping plate 5217 is arranged on the top of the connecting plate 5213, the outer wall of the sliding block 5216 is fixedly installed with a limiting square plate 5218 in a symmetrical manner, the limiting square plate 5218 is arranged on the bottom of the connecting plate 5213.
[0032] Further, in the embodiment, the electric push rod two 529 is started through the controller 2, the telescopic end of the electric push rod two 529 pushes the motor 5211 upwards, at the same time drives the connecting plate 5213 to contact the bottom of the ejection plate 525, the motor 5211 is started, drives the threaded rod 5212 to rotate, because the threaded rod 5212 is threadedly connected with the threaded sleeve ring 5214, the threaded sleeve ring 5214 moves upwards on the threaded rod 5212, the movement of the threaded sleeve ring 5214 pushes the sliding block 5216 to slide in the sliding port of the connecting plate 5213 through the connecting rod 5215, the clamping plate 5217 on the top of the sliding block 5216 rises accordingly, when the clamping plate 5217 rises to the position corresponding to the clamping frame 526, the clamping plate 5217 and the clamping frame 526 are clamped with each other, then the electric push rod two 529 continues to rise, drives the ejection plate 525 to rise, and the formed silica gel product is ejected from the lower mold 523, in the ejection process, the limiting square plate 5218 plays a limiting role on the bottom of the connecting plate 5213, prevents the sliding block 5216 from rising excessively and separates from the connecting plate 5213, and ensures the stable and reliable ejection operation.
[0033] In use, first, the silica gel raw material is placed in the lower mold 523, the controller 2 starts the electric push rod one 522, the telescopic end of the electric push rod one 522 pushes the lower mold 523 to move downwards to the connecting top plate 5111, at the same time, the air cylinder 511 starts, the telescopic end of which extends downwards to drive the connecting shell 513, the guide plate 514, the connecting inner shell 519 and the connecting top plate 5111 and the extrusion block 5112 to move downwards as a whole, the guide plates 514 on both sides of the connecting shell 513 slide stably along the guide long rod 512 to ensure the accuracy of the movement direction, when the connecting top plate 5111 is subjected to upward resistance in the connecting inner shell 519, the connecting column 518 pushes the limiting circular plate 516 upwards to compress the spring 517, the spring 517 plays a buffering role to make the extrusion process more stable, avoiding damage to the mold and silica gel products caused by excessive impact force, the extrusion block 5112 cooperates with the lower mold 523 to extrude and form the silica gel raw material, after the forming is completed, the electric push rod one 522 drives the lower mold 523 to return to the initial position, at this time, the controller 2 starts the electric push rod two 529, the telescopic end of the electric push rod two 529 pushes the motor 5211 upwards, at the same time, drives the connecting plate 5213 to contact the bottom of the ejection plate 525, starts the motor 5211 to drive the threaded rod 5212 to rotate, since the threaded rod 5212 is in threaded connection with the threaded sleeve ring 5214, the threaded sleeve ring 5214 moves upwards on the threaded rod 5212, the movement of the threaded sleeve ring 5214 drives the sliding block 5216 to slide in the sliding hole of the connecting plate 5213 through the connecting rod 5215, the clamping plate 5217 on the top of the sliding block 5216 rises accordingly, when the clamping plate 5217 rises to the position corresponding to the clamping frame 526, the clamping plate 5217 and the clamping frame 526 are clamped with each other, then the electric push rod two 529 continues to rise to drive the ejection plate 525 to rise, and the silica gel product after forming is ejected from the lower mold 523, during the ejection process, the limiting square plate 5218 plays a limiting role at the bottom of the connecting plate 5213 to prevent the sliding block 5216 from rising excessively to disengage from the connecting plate 5213, ensuring the stability and reliability of the ejection operation.
[0034] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. Ejection mechanism of an extruder of silicone products, comprising a worktable (1), characterized in that: The surface of the workbench (1) is provided with a controller (2), the bottom of the workbench (1) is fixedly installed with a bottom plate (3), the top of the workbench (1) is fixedly installed with a support frame (4), and the workbench (1) is provided with an extrusion assembly (5) between the support frame (4).
2. The ejection mechanism of a silicone extruder as claimed in claim 1, wherein: The extrusion assembly (5) comprises: a buffer component (51) arranged at the bottom of the support frame (4); an ejection component (52) arranged at the top of the workbench (1).
3. The ejection mechanism of an extruder of silicone rubber products according to claim 2, characterized in that: The buffer component (51) comprises: a gas cylinder (511) fixedly installed at the top of the support frame (4); a guide long rod (512) fixedly installed symmetrically at the top of the workbench (1).
4. The ejection mechanism of an extruder of silicone rubber products according to claim 3, characterized in that: The top end of the guide long rod (512) is fixedly connected with the support frame (4), the telescopic end of the gas cylinder (511) is movably penetrated through the top of the support frame (4) and extends to the bottom of the support frame (4), and a connecting shell (513) is fixedly installed, guide plates (514) are fixedly installed symmetrically on the two sides of the connecting shell (513), the guide plates (514) are slidably sleeved with the guide long rod (512), and a connecting barrel (515) is fixedly installed on the inner wall top of the connecting shell (513).
5. The ejection mechanism of an extruder of silicone rubber products according to claim 4, characterized in that: A limiting circular plate (516) is slidably connected in the connecting barrel (515), a spring (517) is fixedly installed on the top of the limiting circular plate (516), the other end of the spring (517) is fixedly connected with the connecting barrel (515), a connecting column (518) is fixedly installed on the bottom of the limiting circular plate (516), the connecting column (518) is movably penetrated through the inner wall of the connecting barrel (515) and extends to the outer wall of the connecting barrel (515), and a connecting inner shell (519) is fixedly installed, the connecting inner shell (519) is slidably connected with the connecting shell (513), a connecting top plate (5111) is fixedly installed on the bottom of the connecting inner shell (519), and an extrusion block (5112) is fixedly installed on the bottom of the connecting top plate (5111).
6. The ejection mechanism of an extruder of silicone rubber products according to claim 2, characterized in that: The ejection component (52) comprises: a back plate (521) fixedly installed on the back of the support frame (4); an L-shaped fixed plate (527) fixedly installed on the front of the workbench (1); an electric push rod two (529) fixedly installed on the top of the bottom plate (3).
7. The ejection mechanism of an extruder of silicone rubber articles according to claim 6, characterized in that: An electric push rod one (522) is fixedly sleeved in the back plate (521), a lower mold (523) is fixedly installed on the telescopic end of the electric push rod one (522), a connecting port is formed in the bottom of the lower mold (523), a clamping groove is formed in the side face of the connecting port, the lower mold (523) is clamped and connected with a clamping block (524) through the clamping groove, a ejection plate (525) is fixedly installed between the clamping blocks (524), the ejection plate (525) is clamped and connected with the lower mold (523) through the connecting port, clamping frames (526) are fixedly installed symmetrically on the bottom of the ejection plate (525), a movable port is formed in the surface of the L-shaped fixed plate (527), a fixed outer frame (528) is fixedly installed on the bottom of the L-shaped fixed plate (527), and the fixed outer frame (528) is sleeved outside the electric push rod two (529).
8. The ejection mechanism of an extruder of silicone rubber products according to claim 6, characterized in that: The telescopic end of the electric push rod two (529) is fixedly installed with a motor (5211), the output end of the motor (5211) is provided with a threaded rod (5212), the top end of the threaded rod (5212) is rotatably connected with a connecting plate (5213) through a bearing, the surface of the connecting plate (5213) is symmetrically provided with a sliding hole, the outer wall of the threaded rod (5212) is threadedly connected with a threaded sleeve ring (5214), the outer wall of the threaded sleeve ring (5214) is movably provided with a connecting rod (5215) in a symmetrical manner, the other end of the connecting rod (5215) is movably provided with a sliding block (5216), the sliding block (5216) is slidably connected with the connecting plate (5213) through the sliding hole, the top of the sliding block (5216) is fixedly installed with a clamping plate (5217), the clamping plate (5217) is matched with a clamping frame (526), the clamping plate (5217) is arranged on the top of the connecting plate (5213), the outer wall of the sliding block (5216) is fixedly installed with a limiting square plate (5218) in a symmetrical manner, and the limiting square plate (5218) is arranged on the bottom of the connecting plate (5213).