Bolt press-fitting equipment for valve chamber cover production
By using technologies such as detachable punch rods, proximity sensors, and laser positioning lights in the valve cover production equipment, the problems of missing bolts and cumbersome adjustments have been solved, achieving efficient and safe bolt installation and reducing the defect rate.
Patent Information
- Application Number
- CN202522624300.3
- 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
Existing valve cover manufacturing equipment is prone to missing bolts during installation, and the adjustments are cumbersome, making it difficult to adapt to the installation requirements of valve cover shapes and sizes.
The system employs a detachable punch and proximity sensor combined with a PLC controller. The proximity sensor determines whether the bolts are installed in place. A laser positioning light and a detachable mounting base are installed on the adjustment plate to enable quick alignment and adjustment of the punch position. Combined with a movable clamping table and lighting, the system improves installation efficiency.
This effectively avoids missing bolts, improves product qualification rate, simplifies equipment adjustment process, and enhances installation efficiency and safety.
Smart Images

Figure CN223801911U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of engine production equipment, especially a bolt press fitting equipment for valve chamber cover production. BACKGROUND
[0002] The cylinder head cover, also known as the valve chamber cover, is a sealed cover installed on the top of the engine cylinder block and belongs to the core component of the engine body group. As an important part of the engine sealing system, it mainly covers and seals the cylinder head, isolates external dust, moisture and other pollutants, and prevents internal oil leakage.
[0003] During the production of the valve chamber cover, connecting bolts need to be pre-installed on it. During installation, the press fitting method is usually used. First, the valve chamber cover is clamped and limited on the installation clamp table of the press fitting equipment. Then, the bolts to be installed are pre-installed in the mounting holes of the valve chamber cover. Finally, the press fitting equipment is started to punch the bolts into the mounting holes, completing the installation of the bolts. The existing press fitting equipment often has the problem of missing bolt installation due to the irregular shape of the valve chamber cover and the large number of bolt mounting holes. Moreover, the adjustment of the press fitting mechanism is relatively complicated when installing valve chamber covers of different shapes and sizes, which needs to be improved. UTILITY MODEL CONTENTS
[0004] The utility model discloses in order to solve above -mentioned technical's insufficient, provides a kind of bolt press fitting equipment for valve chamber cover production, including installation rack, press fitting device and movable clamping table, the press fitting device and movable clamping table are all set on installation rack, the press fitting device includes punch driving mechanism, several punch rods and mounting plate, the mounting plate is connected with punch driving mechanism, the bottom of the mounting plate is provided with several installation screw holes for punch rod installation, several punch rods are detachably connected with mounting plate, several punch rods all include mounting seat and stem head, the connecting screw hole matched with stem head is opened on the mounting seat, the end of stem head is equipped with the external thread matched with connecting screw hole, the mounting hole that is communicated with connecting screw hole is opened on the mounting seat, proximity sensor is fixedly arranged in the mounting hole, the through hole for assisting proximity sensor normal operation is opened on stem head, the proximity sensor is electrically connected with punch driving mechanism by PLC controller.
[0005] The technical scheme is adopted, the plurality of punch rods including the mounting seat and the rod head are arranged, the rod head can be replaced according to the actual size of the bolt to be installed to adapt to the bolt installation requirement of different valve chamber covers, the proximity sensor is arranged in the mounting seat, the proximity sensor is connected with the stamping driving mechanism through the PLC controller, when the operator installs the bolt and starts the press fitting equipment, the mounting plate provided with the plurality of punch rods moves downward under the control of the stamping driving mechanism, when the mounting plate moves to the position close to the bolt, whether the bolt of all stations is installed in place is judged through the proximity sensor arranged in each punch rod, if no bolt is installed in a station, the corresponding proximity sensor feeds back a signal to the stamping driving mechanism to stop the downward movement, and the stamping can be normally carried out again after the bolt is supplemented, the missing installation of the bolt can be avoided, and the product rejection rate is greatly reduced.
[0006] The mounting seat is further provided with an adjusting plate at the bottom, a straight slot is opened on the adjusting plate and matched with the mounting threaded hole, a connecting screw with a pressure plate is arranged in the straight slot, and the mounting seat is detachably connected with the mounting threaded hole through the connecting screw.
[0007] The mounting seat is further provided with an adjusting plate at the bottom, a straight slot is opened on the adjusting plate and matched with the mounting threaded hole, a connecting screw with a pressure plate is arranged in the straight slot, and the mounting seat is detachably connected with the mounting threaded hole through the connecting screw.
[0008] The adjusting plate is further provided with a mounting clamping base, and a laser positioning lamp is arranged in the mounting clamping base.
[0009] The adjusting plate is further provided with a mounting clamping base, and a laser positioning lamp is arranged in the mounting clamping base.
[0010] The mounting rack is further provided with a pair of sliding guide rails and a screw rod sliding table guide rail between the sliding guide rails, and the bottom of the movable clamping table is fixedly connected with the sliding table of the screw rod sliding table guide rail.
[0011] The mounting rack is further provided with a pair of sliding guide rails and a screw rod sliding table guide rail between the sliding guide rails, and the bottom of the movable clamping table is fixedly connected with the sliding table of the screw rod sliding table guide rail.
[0012] The utility model disc further be equipped with a lighting lamp on the mounting rack.
[0013] Adopt the technical scheme, because the mounting rack is further equipped with a lighting lamp, can conveniently preinstall bolt into mounting hole position, because the cover is mostly dark and the hole position is small, is difficult to find quickly, further improve the installation efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0014] BRIEF DESCRIPTION OF DRAWINGS Figure 1 It is the structural schematic diagram of bolt press fitting equipment for valve chamber cover production of the utility model embodiment.
[0015] BRIEF DESCRIPTION OF DRAWINGS Figure 2 It is the explosion structural schematic diagram of punch rod in bolt press fitting equipment for valve chamber cover production of the utility model embodiment.
[0016] BRIEF DESCRIPTION OF DRAWINGS Figure 3 It is the explosion structural schematic diagram of punch rod in bolt press fitting equipment for valve chamber cover production of the utility model embodiment.
[0017] BRIEF DESCRIPTION OF DRAWINGS Figure 4 It is the cross section structural schematic diagram of punch rod in bolt press fitting equipment for valve chamber cover production of the utility model embodiment.
[0018] 1 - mounting rack, 2 - press fitting device, 3 - movable clamping table, 4 - punch driving mechanism, 5 - punch rod, 6 - mounting plate, 7 - mounting threaded hole, 8 - mounting seat, 9 - rod head, 10 - connecting threaded hole, 11 - mounting hole, 12 - proximity sensor, 13 - through -hole, 14 - adjusting plate, 15 - straight slot, 16 - connecting screw, 17 - mounting clamping seat, 18 - laser positioning lamp, 19 - sliding guide rail, 20 - screw slide table guide rail, 21 - lighting lamp, 22 - valve chamber cover. DETAILED DESCRIPTION
[0019] For example, Figures 1-4The utility model discloses a bolt press -fitting equipment for valve chamber cover production, including installation frame 1, press -fitted device 2 and movable clamping platform 3, press -fitted device and movable clamping platform all are arranged on installation frame, press -fitted device includes punch driving mechanism 4, a plurality of punch rod 5 and mounting plate 6, the mounting plate is connected with punch driving mechanism, the bottom of mounting plate is provided with a plurality of mounting screw hole 7 for punch rod installation, a plurality of punch rod is detachably connected with mounting plate, a plurality of punch rod all includes mounting seat 8 and stem head 9, the mounting seat is provided with the connecting screw hole 10 that is matched with stem head, the end of stem head is equipped with the external thread that is matched with connecting screw hole, the mounting seat is provided with the mounting hole 11 that is communicated with connecting screw hole, the fixed proximity sensor 12 of mounting hole, the stem head is provided with the through -hole 13 for the normal operation of auxiliary proximity sensor, and the proximity sensor is electrically connected with punch driving mechanism through PLC controller.
[0020] By setting a plurality of punch rods including mounting seat and stem head, the stem head can be replaced according to the actual size of the bolt to be installed to adapt to the bolt installation requirements of different valve chamber covers 22, and the proximity sensor is arranged in the mounting seat, which is connected with the punch driving mechanism through the PLC controller. After the operator installs the bolt and starts the press -fitting equipment, the mounting plate provided with a plurality of punch heads moves downward under the control of the punch driving mechanism, moves to the position close to the bolt, and judges whether the bolt in all stations is installed in place through the proximity sensor arranged in each punch rod. If no bolt is installed in a certain station, the corresponding proximity sensor will feed back a signal to the punch driving mechanism to stop the downward movement, and the punch can be normally pressed again after the bolt is supplemented.
[0021] The bottom of the mounting seat is provided with an adjusting plate 14, the adjusting plate is provided with a straight slot 15 matched with the mounting screw hole, the straight slot is provided with a connecting screw with a pressure plate 16, and the mounting seat is detachably connected with the mounting screw hole through the connecting screw.
[0022] Since the bottom of the mounting seat is provided with an adjusting plate, the adjusting plate is provided with a straight slot matched with the mounting screw hole, the straight slot is provided with a connecting screw with a pressure plate, and the mounting seat is detachably connected with the mounting screw hole, the position of a plurality of punch rods can be quickly adjusted to align the mounting position of the bolt according to the actual mounting position of the bolt of different valve chamber covers.
[0023] The adjusting plate is provided with a mounting clamping seat 17, and the mounting clamping seat is provided with a laser positioning lamp 18.
[0024] Because the adjusting plate is provided with a mounting clamping seat, the mounting clamping seat is provided with a laser positioning lamp, and when the punch rod is positioned, the punch rod and the mounting hole of the bolt can be aligned more quickly through the laser positioning lamp.
[0025] The mounting rack is provided with a pair of sliding guide rails 19, and a lead screw sliding table guide rail 20 is arranged between the pair of sliding guide rails.
[0026] Because the mounting rack is provided with a pair of sliding guide rails, a lead screw sliding table guide rail is arranged between the pair of sliding guide rails, and the bottom of the movable clamping table is fixedly connected with the sliding table of the lead screw sliding table guide rail, so that the movable clamping table can be automatically moved below the pressing device, thereby improving the efficiency and ensuring the safety.
[0027] The mounting rack is further provided with an illuminating lamp 21.
[0028] Because the mounting rack is further provided with an illuminating lamp, the bolt can be conveniently preassembled into the mounting hole, and because the cover is mostly dark and the hole is small, it is difficult to quickly find, thereby further improving the mounting efficiency.
Claims
1. A bolt press-fitting device for valve chamber cover production, comprising a mounting frame, a press-fitting device and a movable clamping table, the press-fitting device and the movable clamping table are arranged on the mounting frame, characterized in that: The pressing device comprises a punch driving mechanism, a plurality of punch rods and a mounting plate, the mounting plate is connected with the punch driving mechanism, a plurality of mounting threaded holes for mounting the punch rods are formed in the bottom of the mounting plate, the plurality of punch rods are detachably connected with the mounting plate, each of the plurality of punch rods comprises a mounting seat and a rod head, a connecting threaded hole matched with the rod head is formed in the mounting seat, an outer thread matched with the connecting threaded hole is arranged at the end of the rod head, a mounting hole in communication with the connecting threaded hole is formed in the mounting seat, a proximity sensor is fixedly arranged in the mounting hole, and a through hole for assisting the proximity sensor to normally operate is formed in the rod head, and the proximity sensor is electrically connected with the punch driving mechanism through a PLC controller.
2. The bolt press-fitting apparatus for a valve chamber cover production according to claim 1, characterized by: A regulating plate is arranged at the bottom of the mounting seat, a straight slot matched with the mounting threaded hole is formed in the regulating plate, a connecting screw with a pressure plate is arranged in the straight slot, and the mounting seat is detachably connected with the mounting threaded hole through the connecting screw.
3. The bolt press fitting apparatus for valve chamber cover production according to claim 2, characterized in that: A mounting clamping seat is arranged on the regulating plate, and a laser positioning lamp is arranged in the mounting clamping seat.
4. The bolt press-fitting apparatus for manufacturing a valve chamber cover according to claim 1, characterized in that: A pair of sliding guide rails are arranged on the mounting rack, a lead screw sliding table guide rail is arranged between the pair of sliding guide rails, and the bottom of the movable clamping table is fixedly connected with the sliding table of the lead screw sliding table guide rail.
5. The bolt press fitting apparatus for valve chamber cover production according to claim 1, characterized in that: An illuminating lamp is further arranged on the mounting rack.