Injection molding, cooling and shaping equipment for valve chamber cover
By designing injection cooling and shaping equipment adapted to different models of valve cover, the valve cover contour is stabilized by top rods and pressure rods, and uniform cooling is achieved through vents. This solves the deformation problem during the valve cover cooling process, ensuring sealing performance and equipment applicability.
Patent Information
- Application Number
- CN202522624663.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-11
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-12-11
AI Technical Summary
In the existing technology, valve cover is prone to local deformation during injection molding and cooling, which leads to sealing performance failure. Moreover, existing equipment is difficult to adapt to valve cover with different shapes, affecting the sealing and performance of the engine.
An injection molding cooling and shaping device was designed, which includes an unloading robot, a fixed carrier, a frame, a drive mechanism, and a pressing mechanism. The device stabilizes the outline of the valve cover through the cooperation of the top rod and the pressure rod, and uses the ventilation port for uniform cooling, adapting to different models of valve covers.
It effectively prevents the valve cover from deforming during the cooling process, ensures sealing performance, improves the applicability of the equipment, adapts to valve covers of different shapes, and guarantees the sealing and performance of the engine.
Smart Images

Figure CN223802957U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to engine accessory injection moulding technical field, concretely relates to a kind of injection moulding cooling and shaping equipment's assembly structure of valve chamber cover. BACKGROUND
[0002] Valve chamber cover is installed in the sealed cover of engine cylinder top, belongs to engine body group core component. Prior art is made by injection molding machine and forming die.
[0003] Through injection moulding or extrusion etc. Forming process, plastic material can be shaped into various required shape under high temperature, but in order to ensure the dimensional stability and surface quality of plastic product, plastic needs to be rapidly cooled before being taken out from mould, if cooling is not proper, not only the appearance quality of plastic product will be affected, but also size instability will be caused, which seriously affects the performance and application range of product.
[0004] The prior art has the problem that: as an important component of engine sealing system, valve chamber cover mainly covers and seals cylinder head, isolates external dust, moisture and other pollutants, and prevents internal oil leakage. Therefore, if the injection molding part of valve chamber cover is not qualified in the cooling and shaping process, the local profile of valve chamber cover will be deformed, resulting in engine sealing failure.
[0005] Therefore, in order to ensure the sealing performance of valve chamber cover, it needs to be cooled and shaped after being unloaded from injection molding machine, to avoid local deformation caused by uneven temperature in cooling process. And in order to adapt to different types of engines, the shape of valve chamber cover is various, and the shaping equipment needs to be adjusted to adapt to the profile change of valve chamber cover, to improve the applicability of the equipment. UTILITY MODEL CONTENTS
[0006] The utility model provides a kind of injection moulding cooling and shaping equipment of valve chamber cover to solve the technical deficiency of above-mentioned.
[0007] The technical scheme of the utility model: a kind of injection moulding cooling and shaping equipment of valve chamber cover, including unloading manipulator, fixed carrier, rack, drive mechanism, compression mechanism;The rack is provided with slide rail along horizontal direction, and the slide rail is provided with feeding station, cooling and shaping station, discharging station, the fixed carrier includes installation table, mobile base, the mobile base is slidably connected with slide rail, and is linked with drive mechanism, the drive mechanism drives fixed carrier to move between feeding station, cooling and shaping station, discharging station sequentially;
[0008] The installation table is provided with a plurality of top rod members corresponding to the profile, hole position and cavity position of the valve chamber cover, the plurality of top rod members are respectively attached to the side of the profile of the valve chamber cover, inserted into the hole position of the valve chamber cover and support the cavity of the valve chamber cover, the unloading manipulator clamps the valve chamber cover on the injection molding machine and places it on the installation table at the feeding station.
[0009] The pressing mechanism is arranged at the cooling and shaping station and comprises a support, a lifting seat and a lifting cylinder, the support is provided with a plurality of vertical guide rods, the lifting seat is provided with guide holes in sliding fit with the plurality of vertical guide rods, and the end face of the lifting seat towards the installation table is provided with a plurality of pressing rod members corresponding to the profile of the outer surface of the valve chamber cover.
[0010] The lifting cylinder is fixedly connected with the support and is linked with the lifting seat and the driving mechanism, when the fixed carrier moves to the cooling and shaping station, the lifting cylinder drives the lifting seat to descend, and the plurality of pressing rod members and the plurality of top rod members clamp and fix the valve chamber cover, and after the valve chamber cover is cooled and the lifting seat is lifted, the driving mechanism drives the fixed carrier to move to the unloading station.
[0011] Further settings of the utility model are that the installation table and the moving base are provided with supporting feet and air inlet gaps, and the installation table is provided with air vents penetrating into the cavity position of the valve chamber cover.
[0012] Further settings of the utility model are that the installation table is provided with a plurality of first mounting screw holes in array, the top rod members are provided with external threads, and the axial height of each of the top rod members beyond the first mounting screw hole is adjusted according to the profile, hole position and cavity of the valve chamber cover.
[0013] Further settings of the utility model are that the end part of the top rod member towards the valve chamber cover is detachably provided with a cap member, one end of the cap member is provided with a slot matched with the top rod member, and the other end is provided with an arc contact surface corresponding to the local modeling of the valve chamber cover.
[0014] Further settings of the utility model are that the lifting seat is provided with a plurality of second mounting screw holes in array, the plurality of pressing rod members are provided with external threads, and the plurality of pressing rod members are respectively arranged in the second mounting screw holes according to the profile of the outer surface of the valve chamber cover.
[0015] Further settings of the utility model are that the driving mechanism is a lead screw transmission assembly, the lead screw transmission assembly is linked with the moving base and drives the moving base to reciprocatingly move along the slide rail, the slide rail is respectively provided with proximity switches at the feeding station, the cooling and shaping station and the discharging station, and the unloading manipulator, the driving mechanism and the pressing mechanism are linked with the proximity switches.
[0016] The utility model discloses the beneficial effect has: through the design of fixed carrier, makes the unloading manipulator can be taken down from injection molding machine the forming airtight construction after, place in the fixed carrier of feed station place quickly, utilize the contour of the corresponding valve chamber cover on the installation platform, hole position, cavity position respectively set up a plurality of top rod spare, or the side of the contour of the valve chamber cover, or insert the hole position of the valve chamber cover, or the cavity of the valve chamber cover support, thereby adapt and stabilize the end face of the valve chamber cover cavity side, then fixed carrier moves to the cooling setting position, cooperation lifting seat upper pressure rod spare's drop clamping, thereby completely firm the contour size of the valve chamber cover that has not cooled completely.
[0017] Further design, through the support leg, air inlet gap between the installation platform and the moving base, the installation platform is provided with the air vent that reaches the valve chamber cover cavity position, can make the cooling airflow into the cavity of the valve chamber cover, avoid the shrinkage deformation of the valve chamber cover outer surface contact cooling gas, and the shrinkage deformation of the cavity side airtight and the internal and external temperature difference.
[0018] Further design, utilize the design of first mounting screw hole, second mounting screw hole, make top rod spare, pressure rod spare can correspond to the contour of the valve chamber cover, hole position, cavity and so on local modeling difference, size difference, respectively adjust the axial height of the first mounting screw hole, second mounting screw hole that it exceeds, thereby quickly adapt the valve chamber cover of different models, always keep the contact clamping of valve chamber cover drawing size. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 For the structure of the utility model embodiment one Figure One ;
[0020] Figure 2 For the structure of the utility model embodiment one Figure Two ;
[0021] Figure 3 For the structure of the utility model embodiment one Figure Three ;
[0022] Among them, the frame 1, feed station 11, cooling setting position 12, discharge station 13, installation platform 21, support leg 211, air inlet gap 212, air vent 213, moving base 22, top rod spare 23, valve chamber cover 3, support 41, vertical guide rod 411, lifting seat 42, lifting cylinder 43, pressure rod spare 44.
[0023] In order to better illustrate this embodiment, some components of the drawing can be omitted, enlarged or reduced, and the size of the actual product is not represented, and in addition, the drawing is only used for example, and can not be understood as the limitation of the patent. DETAILED DESCRIPTION
[0024] In order to make the technical solutions of the present application and its advantages clearer, the technical solutions of the present application will be further clearly and completely described in the following with reference to the drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present application, which are only used to explain the present application, but not to limit the present application. It should be noted that, for the convenience of description, only parts related to the present application are shown in the drawings, and other related parts can be referred to the general design. In the case of no conflict, the embodiments in the present application and the technical features in the embodiments can be combined to obtain new embodiments.
[0025] The utility model will be described in detail below in combination with the drawings, such as Figures 1-3 As shown,
[0026] As an embodiment structure: a valve chamber cover 3 injection cooling and shaping equipment, including unloading manipulator, fixed carrier, rack 1, drive mechanism, pressure mechanism, the rack 1 is provided with slide rail along the horizontal direction, the slide rail is provided with feeding station 11, cooling and shaping station 12, discharge station 13, the fixed carrier includes mounting table 21, mobile base 22, the mobile base 22 is slidably connected with the slide rail, and is linked with the drive mechanism, the drive mechanism drives the fixed carrier to move between feeding station 11, cooling and shaping station 12, discharge station 13 in turn;
[0027] The mounting table 21 is provided with a plurality of top rod pieces 23 corresponding to the profile, hole position, cavity position of the valve chamber cover 3 respectively, the plurality of top rod pieces 23 respectively adhere to the side of the profile of the valve chamber cover 3, insert into the hole position of the valve chamber cover 3, support the cavity of the valve chamber cover 3, the unloading manipulator clamps the valve chamber cover 3 on the injection molding machine and places it on the mounting table 21 of feeding station 11 and is fixed with each top rod piece 23;
[0028] The pressure mechanism is provided at cooling and shaping station 12, including bracket 41, lifting seat 42, lifting cylinder 43, the bracket 41 is provided with a plurality of vertical guide rods 411, the lifting seat 42 is provided with a plurality of guide holes slidably connected with the plurality of vertical guide rods 411, the end face of the lifting seat 42 towards the mounting table 21 is provided with a plurality of pressure rod pieces 44 corresponding to the profile of the outer surface of the valve chamber cover 3;
[0029] The lifting cylinder 43 is fixedly connected with the bracket 41, and is linked with the lifting seat 42 and the drive mechanism, when the fixed carrier moves to the cooling and shaping station 12, the lifting cylinder 43 drives the lifting seat 42 to descend, and each pressure rod piece 44 and each top rod piece 23 clamp and fix the valve chamber cover 3;The drive mechanism drives the fixed carrier to move to the discharge station after the valve chamber cover 3 is cooled and the lifting seat 42 is lifted.
[0030] The mounting table 21 is provided with a support foot 211 and an air inlet gap 212 between the mounting table 21 and the moving base 22, and the mounting table 21 is provided with a ventilation opening 213 penetrating to the position of the cavity of the valve cover 3.
[0031] The mounting table 21 is provided with a plurality of first mounting screw holes arranged in an array, and the top rod member 23 is provided with an external thread and adjusts the axial height of the top rod member 23 protruding out of the first mounting screw hole according to the contour, hole position and cavity of the valve cover 3.
[0032] The end of the top rod member 23 towards the valve cover 3 is detachably sleeved with a cap member 231, one end of the cap member 231 is provided with a slot matched with the top rod member 23, and the other end is provided with an arc-shaped contact surface matched with the local modeling of the valve cover 3.
[0033] The lifting seat 42 is provided with a plurality of second mounting screw holes arranged in an array, and the plurality of pressing rod members 44 are provided with external threads and are arranged in the second mounting screw holes according to the contour of the fluctuating outer surface of the valve cover 3.
[0034] The driving mechanism is a lead screw transmission assembly 5 which is linked with the moving base 22 to drive the moving base 22 to reciprocate along the sliding rail, and the sliding rail is provided with a proximity switch at the feeding station 11, the cooling and shaping station 12 and the discharging station 13 respectively, and the discharging robot, the driving mechanism and the pressing mechanism are linked with the proximity switch signal.
[0035] Through the design of the fixing carrier, the discharging robot can be quickly placed on the fixing carrier at the feeding station 11 after the molded airtight construction is taken off from the injection molding machine, and the plurality of top rod members 23 arranged at the positions corresponding to the contour, hole position and cavity of the valve cover 3 on the mounting table 21 are used to fit and stabilize the end face of the cavity side of the valve cover 3, and then the fixing carrier is moved to the cooling and shaping station 12 to cooperate with the descending clamping of the pressing rod members 44 on the lifting seat 42 to completely stabilize the contour size of the valve cover 3 which has not been cooled completely, thereby avoiding the shrinkage deformation of the valve cover 3 during the cooling process.
[0036] In further design, the mounting table 21 and the moving base 22 are provided with a support foot 211 and an air inlet gap 212, and the mounting table 21 is provided with a ventilation opening 213 penetrating to the position of the cavity of the valve cover 3, so that the cooling air can enter the cavity of the valve cover 3, thereby avoiding the shrinkage deformation caused by the temperature difference between the inside and outside of the valve cover 3 due to the contact of the outer surface of the valve cover 3 with the cooling gas and the airtightness of the cavity side.
[0037] In further designs, the first mounting screw hole and the second mounting screw hole are designed to enable the ejector rod 23 and the pressing rod 44 to correspond to the contour, hole position, cavity and other local modeling differences and size differences of the valve chamber cover 3, and to adjust the axial height of each beyond the first mounting screw hole and the second mounting screw hole, thereby quickly adapting to different models of the valve chamber cover 3 and always maintaining the contact clamping of the drawing size of the valve chamber cover 3.
[0038] So far, the technical solution of the present application has been described in combination with the preferred embodiments shown in the drawings. It should be understood by those skilled in the art that the protection scope of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without deviating from the principles of the present application. The technical solutions after these changes or replacements will all fall within the protection scope of the present application.
Claims
1. An injection molding and cooling and sizing apparatus for a valve cover, characterized by: Including unloading manipulator, fixed carrier, rack, drive mechanism, pressing mechanism; The rack is provided with a sliding rail in the horizontal direction, the sliding rail is provided with a feeding station, a cooling and shaping station and a discharging station, the fixed carrier comprises a mounting table and a moving base, the moving base is in sliding cooperation with the sliding rail and is in linkage cooperation with the drive mechanism, and the drive mechanism drives the fixed carrier to move between the feeding station, the cooling and shaping station and the discharging station in sequence. A plurality of ejector rod members are arranged on the mounting table corresponding to the profile, hole position and cavity position of the valve chamber cover, the plurality of ejector rod members are respectively attached to the side surface of the profile of the valve chamber cover, inserted into the hole position of the valve chamber cover and support the cavity of the valve chamber cover, and the unloading manipulator clamps the valve chamber cover on the injection molding machine and places the valve chamber cover on the mounting table at the feeding station. The pressing mechanism is arranged at the cooling and shaping station and comprises a support, a lifting seat and a lifting cylinder, a plurality of vertical guide rods are arranged on the support, a guide hole in sliding cooperation with the plurality of vertical guide rods is arranged on the lifting seat, and a plurality of pressing rod members corresponding to the profile of the outer surface of the valve chamber cover are arranged on the end face of the lifting seat facing the mounting table. The lifting cylinder is fixedly connected with the support, is in linkage cooperation with the lifting seat and is in signal linkage with the drive mechanism, the lifting cylinder drives the lifting seat to descend when the fixed carrier moves to the cooling and shaping station, and the plurality of pressing rod members and the plurality of ejector rod members clamp and fix the valve chamber cover; the drive mechanism drives the fixed carrier to move to the discharging station after the valve chamber cover is cooled and the lifting seat is lifted.
2. A valve cover injection cooling and molding apparatus according to claim 1, wherein: A supporting leg and an air inlet gap are arranged between the mounting table and the moving base, and the mounting table is provided with a ventilation opening penetrating the cavity position of the valve chamber cover.
3. A valve cover injection cooling and forming apparatus as defined in claim 2, wherein: A plurality of first mounting screw holes are arranged on the mounting table in an array, the ejector rod members are provided with external threads and are respectively adjusted in axial height beyond the first mounting screw holes corresponding to the profile, hole position and cavity of the valve chamber cover.
4. A valve cover injection cooling and forming apparatus as defined in claim 3, wherein: The end portion of the ejector rod member towards the valve chamber cover is detachably sleeved with a cap member, one end of the cap member is provided with a slot matched with the ejector rod member, and the other end is provided with an arc contact surface corresponding to the local modeling of the valve chamber cover.
5. The injection cooling and molding apparatus for a valve cover as claimed in any one of claims 1 to 4, wherein: A plurality of second mounting screw holes are arranged on the lifting seat in an array, the plurality of pressing rod members are provided with external threads and are respectively arranged in the second mounting screw holes corresponding to the profile of the fluctuation of the outer surface of the valve chamber cover.
6. A valve cover injection cooling and forming apparatus as defined in claim 5 wherein: The drive mechanism is a lead screw transmission assembly, the lead screw transmission assembly is in linkage cooperation with the moving base and drives the moving base to reciprocatingly move along the sliding rail, proximity switches are arranged at the feeding station, the cooling and shaping station and the discharging station of the sliding rail respectively, and the unloading manipulator, the drive mechanism and the pressing mechanism are in signal linkage with the proximity switches.