A one-piece cylinder head sand core assembly system and its preparation method

Abstract

This application provides a system and method for assembling sand cores for integrated cylinder heads. The system includes a core loading mechanism, an assembly robot, a sand core cleaning mechanism, a connecting mechanism, and a turntable mechanism. The assembly robot has an assembly clamp, configured to place a first core assembly from the core loading mechanism onto the turntable mechanism. The assembly clamp is also configured to place a second core assembly from the core loading mechanism onto the first core assembly. The sand core cleaning mechanism is configured to remove loose sand from the first and second core assemblies held by the assembly clamp. The connecting mechanism is configured to connect the first and second core assemblies to form a pre-fixed sand core assembly. The pre-fixed sand core assemblies are connected by connectors to form the sand core assembly. This application offers the advantages of automated, efficient, and high-quality production of integrated cylinder heads.

Description

Technical Field

[0001] This application relates to the field of cylinder head casting technology, and in particular to an integral cylinder head sand core assembly system and its preparation method. Background Technology

[0002] The integrated cylinder head is used to install on top of the cylinder block, sealing the cylinder from above and forming the combustion chamber.

[0003] One-piece cylinder heads are usually cast in two pieces together. Two sets of sand cores need to be combined into one core assembly. The assembly is done manually using special clamps. The process is as follows: 1. Use clamps to lift the first set of sand cores and rotate them 180°; 2. Combine the first set of sand cores with the second set of sand cores to form a core assembly; 3. Lift the core assembly as a whole and assemble it with bolts; 4. After assembly, lift it to the vertical roller conveyor to complete the process.

[0004] Because manual operation is required during the production process, the sand core may be bumped or damaged, affecting the production quality of the integrated cylinder head. Summary of the Invention

[0005] This application provides a one-piece cylinder head sand core assembly system and preparation method, which has the effect of automatic, efficient and high-quality production of one-piece cylinder heads.

[0006] This application provides a combined cylinder head sand core assembly system, including a core loading mechanism, an assembly robot, a sand core blowing mechanism, a connecting mechanism, and a turntable mechanism. The assembly robot has an assembly clamp, which is configured to place a first core on the core loading mechanism onto the turntable mechanism, and the assembly clamp is configured to place a second core on the core loading mechanism onto the first core.

[0007] The sand core blowing mechanism is configured to remove loose sand from the first core group and the second core group held by the box clamp;

[0008] The connecting mechanism is configured to connect the first core group and the second core group to form a pre-fixed sand core group, which is connected by a connector to form a sand core group.

[0009] Optionally, it also includes a support base having a first transmission line, and a turntable mechanism having at least two second transmission lines, the turntable mechanism being configured to rotate relative to the support base such that any of the second transmission lines is connected to the first transmission line to transfer the pre-fixed sand core assembly on the second transmission line to the support base, and to transfer the sand core assembly on the support base to the second transmission line.

[0010] Optionally, it also includes a transfer robot, a labeling mechanism, and a transmission mechanism, wherein the transfer robot has an integral core transfer fixture, and the integral core transfer fixture is configured to transfer the sand core assembly on the second transmission line to the labeling mechanism;

[0011] The labeling mechanism is configured to affix information codes to the sand core assembly;

[0012] The transmission mechanism is configured to transmit the sand core assembly having the information code.

[0013] Optionally, the box clamp includes,

[0014] There are two mounting sections, each connected to the box-closing robot.

[0015] The clamping part is provided in two parts, which are respectively connected to the two mounting parts. One clamping part is fixedly connected to the mounting part, and the other clamping part is slidably connected to the mounting part.

[0016] A drive cylinder, mounted on the mounting portion, is configured to drive one of the clamping portions toward or away from the other clamping portion;

[0017] There are two rotating parts, each connected to one of the two mounting parts, and each configured to drive the two clamping parts to rotate.

[0018] Optionally, the mounting part includes,

[0019] The mounting box is connected to the box-closing robot.

[0020] There are two connecting boxes, each connected to the mounting box and used to install the two clamping parts respectively;

[0021] In one of the mounting parts, the connecting box is fixedly connected to the mounting box, and in the other mounting part, the connecting box is slidably connected to the mounting box;

[0022] The mounting box is fixed with a drive rail, and one of the connecting boxes is slidably connected to the drive rail.

[0023] Optionally, the clamping part includes,

[0024] A clamping base is connected to the connecting box;

[0025] There are two support plates, which are symmetrically rotatably connected to the lower side of the clamping seat;

[0026] A clamping plate is slidably disposed on the upper side of the clamping seat;

[0027] A clamping cylinder is installed on the clamping seat, and its telescopic end is connected to the clamping plate so that the clamping plate can reciprocate on the clamping seat;

[0028] A clamping stop is fixed to the clamping plate and configured to engage with a process hole on the core assembly;

[0029] The linear bearing has its fixed end connected to the clamping seat and its movable end connected to the pressure plate.

[0030] Optionally, the rotating part includes,

[0031] The rotating housing is installed on the side of the connecting housing opposite to the clamping part;

[0032] A rotary cylinder is installed inside the rotary housing;

[0033] A rotating connecting shaft is rotatably installed inside the rotating housing. One end of the shaft is connected to the rotating end of the rotating cylinder, and the other end is fixedly connected to one side of the clamping seat.

[0034] Optionally, the turntable mechanism includes,

[0035] Mounting base;

[0036] A drive motor is mounted on the mounting base;

[0037] A turntable, connected to the output shaft of the drive motor, is configured to mount at least two of the second transmission lines;

[0038] At least two rotating platforms are provided, and each is slidably connected to any one of the second transmission lines;

[0039] At least two core assembly platforms are provided, each installed on one of the rotating platforms, for placing the sand core assembly and the pre-fixed sand core assembly respectively;

[0040] A linear guide is configured to connect the first transmission line and the second transmission line to transmit the pre-fixed sand core assembly on the second transmission line to the support base, and to transmit the sand core assembly on the support base to the second transmission line;

[0041] A displacement cylinder is mounted on the mounting base and configured to drive the rotary platform to reciprocate along the first transmission line, the second transmission line and the linear guide rail;

[0042] A connecting assembly is disposed between the displacement cylinder and at least two of the rotary platforms and is configured to connect the displacement cylinder and the rotary platforms;

[0043] At least two buffer components are provided, each disposed on the side of any of the turntables away from the connecting component;

[0044] A locking assembly is disposed on the side of the turntable near the linear guide and is configured to press either of the rotating platforms against the buffer assembly.

[0045] Optionally, the connection component includes,

[0046] A connecting seat is installed at the telescopic end of the displacement cylinder;

[0047] At least two connecting shafts are provided, each mounted on one of the rotating platforms;

[0048] The connecting seat has a track groove, and the connecting shaft passes through the track groove as it rotates with the rotating platform.

[0049] Optionally, the locking assembly includes,

[0050] A locking seat is installed on the side of the turntable near the linear guide rail;

[0051] The locking lever is rotatably mounted on the upper side of the locking seat;

[0052] A locking rod is fixedly installed on the upper side of the locking moving rod to abut against the rotating platform;

[0053] A rotating shaft is rotatably mounted on the lower side of the locking seat;

[0054] The rotating force-applying rod is rotatably connected to the rotating shaft in the middle and to the locking rod at the top.

[0055] A driving component, mounted on the mounting base, is used to drive the rotating force rod to rotate in both directions.

[0056] Optionally, the driving element includes,

[0057] A locking cylinder is installed on the mounting base, and its telescopic end abuts against the rotating force rod to drive the rotating force rod to rotate, so that the locking rod abuts the rotating platform against the buffer assembly;

[0058] An unlocking cylinder is installed on the mounting base, with its telescopic end abutting against the rotating force rod to drive the rotating force rod to rotate, thereby moving the locking rod away from the rotating platform.

[0059] Optionally, the integral core transfer fixture includes,

[0060] The clamping frame is connected to the transfer robot.

[0061] Two fixing plates are provided, which are symmetrically installed on one side of the clamp frame;

[0062] Two movable clamping plates are provided, which are symmetrically slidably disposed on the other side of the clamping frame.

[0063] Two clamping cylinders are provided and are respectively installed in the clamping frame. Their telescopic ends are respectively connected to the two movable clamping plates to drive the two movable clamping plates to move closer to or away from the fixed clamping plate.

[0064] Multiple positioning blocks are provided, which are respectively fixed on the opposite side of the fixed clamping plate and the movable clamping plate, and are configured to cooperate with the process holes on the core assembly.

[0065] This application also provides a method for preparing a sand core assembly box for an integrated cylinder head, which adopts any of the integrated cylinder head sand core assembly box systems described above. The integrated cylinder head sand core assembly box system includes a core loading mechanism, an assembly robot, a sand core cleaning mechanism, a connecting mechanism, and a turntable mechanism.

[0066] The preparation method of the integrated cylinder head sand core assembly box includes:

[0067] The core assembly feeding mechanism sequentially transports the first core assembly and the second core assembly.

[0068] The box-closing robot's box-closing clamp places the first core group in the core group feeding mechanism onto the turntable mechanism, and the sand core cleaning mechanism removes the scattered sand from the first core group held by the box-closing clamp.

[0069] The box clamping fixture picks up the second core group from the core group feeding mechanism, and the sand core cleaning mechanism removes the loose sand from the second core group picked up by the box clamping fixture;

[0070] The box clamp places the second core group onto the first core group;

[0071] The connecting mechanism connects the first core group and the second core group to form a pre-fixed sand core group;

[0072] The pre-fixed sand core assemblies are connected by connectors to form a sand core assembly.

[0073] This application discloses a one-piece cylinder head sand core assembly system. Specifically, the one-piece cylinder head sand core assembly system includes a core assembly feeding mechanism, an assembly robot, a sand core cleaning mechanism, a connecting mechanism, and a turntable mechanism. The assembly robot has an assembly clamp, which is configured to place a first core assembly from the core assembly feeding mechanism onto the turntable mechanism. The assembly clamp is also configured to place a second core assembly from the core assembly feeding mechanism onto the first core assembly.

[0074] The sand core blowing mechanism is configured to remove loose sand from the first core group and the second core group held by the box clamp;

[0075] The connecting mechanism is configured to connect the first core group and the second core group to form a pre-fixed sand core group, which is connected by a connector to form a sand core group.

[0076] This application enables automated, efficient, and high-quality production of integrated cylinder heads. Attached Figure Description

[0077] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0078] Figure 1 A structural block diagram of the integrated cylinder head sand core assembly system provided in the embodiments of this application;

[0079] Figure 2 This is a schematic diagram of the assembly fixture in the integrated cylinder head sand core assembly system provided in the embodiments of this application;

[0080] Figure 3 This is a schematic diagram of the clamping part in the integrated cylinder head sand core assembly system provided in the embodiments of this application;

[0081] Figure 4 A schematic diagram of the rotating part in the integrated cylinder head sand core assembly system provided in this application embodiment;

[0082] Figure 5 This is a schematic diagram of the turntable mechanism in the integrated cylinder head sand core assembly system provided in the embodiments of this application;

[0083] Figure 6 This is a schematic diagram of the connecting components in the integrated cylinder head sand core assembly system provided in the embodiments of this application;

[0084] Figure 7 This is a schematic diagram of the structure of the buffer component in the integrated cylinder head sand core assembly system provided in the embodiments of this application;

[0085] Figure 8 This is a schematic diagram of the locking assembly in the integrated cylinder head sand core assembly system provided in the embodiments of this application;

[0086] Figure 9 This is a schematic diagram of the integral core transfer fixture in the integrated cylinder head sand core assembly system provided in this application embodiment.

[0087] Explanation of reference numerals in the attached figures:

[0088] 100 - Core assembly feeding mechanism; 110 - First core assembly; 120 - Second core assembly; 130 - Pre-fixed sand core assembly;

[0089] 200 - Box closing robot; 210 - Box closing fixture; 211 - Mounting part; 211a - Mounting box; 211b - Connecting box; 211c - Drive guide rail; 212 - Clamping part; 212a - Clamping seat; 212b - Support plate; 212c - Pressure plate; 212d - Pressure cylinder; 212e - Pressure stop block; 212f - Linear bearing; 213 - Drive cylinder; 214 - Rotating part; 214a - Rotating box; 214b - Rotating cylinder; 214c - Rotating connecting shaft;

[0090] 300-Sand core cleaning mechanism;

[0091] 400 - Connecting mechanism;

[0092] 500-Turntable mechanism; 510-Second transmission line; 520-Mounting base; 530-Drive motor; 540-Turntable; 550-Rotating platform; 560-Core assembly platform; 570-Linear guide rail; 580-Displacement cylinder; 590-Connecting assembly; 590a-Connecting seat; 590b-Connecting shaft; 590c-Trajectory groove; 511-Buffer assembly; 511a-Buffer seat; 511b-Buffer rod; 512-Locking assembly; 512a-Locking seat; 512b-Locking moving rod; 512c-Locking stationary rod; 512d-Rotating shaft; 512e-Rotating force application rod; 512f-Locking cylinder; 512g-Unlocking cylinder;

[0093] 600 - Support base; 610 - First transmission line;

[0094] 700 - Transfer robot; 710 - Integral core transfer fixture; 711 - Fixture frame; 712 - Fixed clamping plate; 713 - Moving clamping plate; 714 - Clamping cylinder; 715 - Positioning block;

[0095] 800 - Labeling mechanism;

[0096] 900 - Transmission mechanism; 910 - Sand core assembly.

[0097] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0098] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0099] The terms "first," "second," "third," "fourth," etc. (if present) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a particular order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the application described herein can be implemented, for example, in orders other than those illustrated or described herein. In embodiments of this application, the words "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in this application should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of the words "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0100] First, let me explain the terms used in this application:

[0101] A one-piece cylinder head; the cylinder head is mounted on top of the cylinder block, sealing the cylinder from above and forming the combustion chamber. It is constantly in contact with high-temperature, high-pressure combustion gases, thus bearing significant thermal and mechanical loads. Water-cooled engines have a cooling water jacket inside the cylinder head, and the cooling water holes on the lower end face of the cylinder head communicate with the cooling water holes in the cylinder block. Circulating water is used to cool the combustion chamber and other high-temperature components.

[0102] Sand core; Sand core is a material used in casting production to manufacture mold cores, and it is composed of casting sand, molding sand binder, etc.

[0103] The integrated cylinder head is used to install on top of the cylinder block, sealing the cylinder from above and forming the combustion chamber.

[0104] One-piece cylinder heads are usually cast in two pieces together. Two sets of sand cores need to be combined into one core assembly. The assembly is done manually using special clamps. The process is as follows: 1. Use clamps to lift the first set of sand cores and rotate them 180°; 2. Combine the first set of sand cores with the second set of sand cores to form a core assembly; 3. Lift the core assembly as a whole and assemble it with bolts; 4. After assembly, lift it to the vertical roller conveyor to complete the process.

[0105] Because manual operation is required during the production process, the sand core may be bumped or damaged, affecting the production quality of the integrated cylinder head. The production efficiency cannot meet the needs of the production line, and manual operation also poses significant safety hazards.

[0106] To solve the above-mentioned technical problems, this application provides an integrated cylinder head sand core assembly system, including a core assembly feeding mechanism, an assembly robot, a sand core cleaning mechanism, a connecting mechanism, and a turntable mechanism. The assembly robot has an assembly clamp, which is configured to place a first core assembly on the core assembly feeding mechanism onto the turntable mechanism, and the assembly clamp is configured to place a second core assembly on the core assembly feeding mechanism onto the first core assembly.

[0107] The sand core cleaning mechanism is configured to remove loose sand from the first and second core groups held by the box clamp;

[0108] The connecting mechanism is configured to connect the first core group and the second core group to form a pre-fixed sand core group, which is connected by a connector to form a sand core group.

[0109] This application enables automated, efficient, and high-quality production of integrated cylinder heads.

[0110] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will now be described with reference to the accompanying drawings.

[0111] This application discloses a one-piece cylinder head sand core assembly system, combined with... Figure 1 The system includes a core loading mechanism 100, a box-closing robot 200, a sand core blowing mechanism 300, a connecting mechanism 400, and a turntable mechanism 500. The box-closing robot 200 has a box-closing clamp 210, which is configured to place a first core 110 on the core loading mechanism 100 onto the turntable mechanism 500, and the box-closing clamp 210 is configured to place a second core 120 on the core loading mechanism 100 onto the first core 110.

[0112] The sand core cleaning mechanism 300 is configured to remove loose sand from the first core group 110 and the second core group 120 held by the box clamp 210.

[0113] The connecting mechanism 400 is configured to connect the first core group 110 and the second core group 120 to form a pre-fixed sand core group 130, which is connected by a connector to form a sand core group 910.

[0114] The core assembly feeding mechanism 100 can be a feeding roller conveyor belt, used to continuously convey the first core assembly 110 and the second core assembly 120.

[0115] The sand core cleaning mechanism 300 can be an automatic cleaning machine. The automatic cleaning machine can blow out purified 0.6 kPa compressed air to eliminate loose sand on the surface of the core assembly and minimize the formation of porosity defects during the casting process.

[0116] The connecting mechanism 400 includes an adhesive applicator robot that applies adhesive to the first core assembly 110.

[0117] The box-closing robot 200 uses a box-closing fixture 210 to apply adhesive to the first core assembly 110 at a 0° angle and place it on the turntable mechanism 500 at a 0° angle. The box-closing fixture 210 also uses a second core assembly 120 to place it on the first core assembly 110 at a 180° angle. At this time, the adhesive applied to the first core assembly 110 comes into contact with the second core assembly 120, forming a pre-fixed sand core assembly 130.

[0118] The connector can be selected with 1-8 core bolts. The first core group 110 and the second core group 120 are manually tightened to eliminate the fit gap between the pre-fixed sand core group 130, so as to form the sand core group 910.

[0119] In some embodiments, combined with Figures 2-4 The integrated cylinder head sand core assembly system also includes a support base 600, on which a first transmission line 610 is provided, and a turntable mechanism 500 has two second transmission lines 510. The turntable mechanism 500 is configured to rotate relative to the support base 600 so that any of the second transmission lines 510 and the first transmission line 610 are connected to transmit the pre-fixed sand core assembly 130 on the second transmission line 510 to the support base 600, and to transmit the sand core assembly 910 on the support base 600 to the second transmission line 510.

[0120] The support base 600 is used as a workbench for manually fastening the pre-fixed sand core assembly 130.

[0121] The arrangement of two second transmission lines 510 on the turntable mechanism 500 allows the turntable mechanism 500 to simultaneously place the pre-fixed sand core group 130 and the sand core group 910, enabling the turntable mechanism 500 to synchronously perform the assembly process of the pre-fixed sand core group 130 and the sand core group 910, thereby improving the working efficiency of the integrated cylinder head sand core assembly system.

[0122] In some embodiments, the integrated cylinder head sand core assembly system further includes a transfer robot 700, a labeling mechanism 800, and a transmission mechanism 900. The transfer robot 700 has an integral core transfer fixture 710, which is configured to transfer the sand core assembly 910 on the second transmission line 510 to the labeling mechanism 800.

[0123] The labeling mechanism 800 is configured to affix information codes to the sand core assembly 910;

[0124] The transmission mechanism 900 is configured to transmit the sand core group 910 with information code.

[0125] Among them, the labeling mechanism 800 can be an automatic labeling machine, which can automatically affix information codes to the sand core group 910 to realize the traceability of process information, thereby realizing the traceability of product information and facilitating the processing of product information in subsequent processes.

[0126] The transmission mechanism 900 can be a feed roller conveyor belt, used to receive and transport the sand core group 910 with information code.

[0127] The integral core transfer fixture 710 in the transfer robot 700 picks up the sand core group 910 and transports it to the labeling mechanism 800. The labeling mechanism 800 affixes an information code to the sand core group 910. The integral core transfer fixture 710 then transfers the sand core group 910 with the information code to the transmission mechanism 900, thus realizing traceable management of the information of the sand core group 910.

[0128] In some embodiments, the box clamp 210 includes a mounting part 211, a clamping part 212, a drive cylinder 213, and a rotating part 214.

[0129] There are two mounting units 211, which are connected to the box-closing robot 200 respectively.

[0130] Two clamping parts 212 are provided, which are respectively connected to two mounting parts 211. One clamping part 212 is fixedly connected to the mounting part 211, and the other clamping part 212 is slidably connected to the mounting part 211.

[0131] The drive cylinder 213 is mounted on the mounting part 211 and is configured to drive one of the clamping parts 212 to move closer to or further away from the other clamping part 212.

[0132] There are two rotating parts 214, which are connected to two mounting parts 211 respectively, and are configured to drive the two clamping parts 212 to rotate.

[0133] The box-closing robot 200 moves the box-closing fixture 210 as a whole through the mounting part 211, so that the two clamping parts 212 are respectively located on both sides of the core group. The drive cylinder 213 is activated, and the drive cylinder 213 drives one of the clamping parts 212 to move closer to the other clamping part 212, so that the two clamping parts 212 clamp the core group. The rotating part 214 can drive the two clamping parts 212 to rotate, thereby adjusting the posture of the core group (0° posture or 180° posture).

[0134] In some embodiments, the mounting section 211 includes a mounting housing 211a and a connecting housing 211b.

[0135] The mounting box 211a is connected to the box-closing robot 200.

[0136] There are two connecting boxes 211b, which are connected to the mounting box 211a respectively, and are used to install two clamping parts 212 respectively;

[0137] In one mounting section 211, the connecting box 211b is fixedly connected to the mounting box 211a, and in the other mounting section 211, the connecting box 211b is slidably connected to the mounting box 211a.

[0138] The mounting box 211a and the connecting box 211b are designed to facilitate the installation of the mounting part 211 onto the box-closing robot 200.

[0139] In some embodiments, a drive rail 211c is fixed on the mounting box 211a, and one of the connecting boxes 211b is slidably connected to the drive rail 211c.

[0140] The installation of the drive guide rail 211c improves the stability of the sliding connection between the connecting box 211b and the mounting box 211a.

[0141] In some embodiments, the clamping part 212 includes a clamping seat 212a, a support plate 212b, a pressing plate 212c, a pressing cylinder 212d, and a pressing stop 212e.

[0142] The clamping base 212a is connected to the connecting box 211b.

[0143] There are two support plates 212b, which are symmetrically rotatably connected to the lower side of the clamping seat 212a.

[0144] The clamping plate 212c is slidably disposed on the upper side of the clamping seat 212a.

[0145] The clamping cylinder 212d is installed on the clamping seat 212a, and its telescopic end is connected to the clamping plate 212c so that the clamping plate 212c reciprocates on the clamping seat 212a;

[0146] The clamping stop 212e is fixed on the clamping plate 212c and is configured to engage with the process holes on the core assembly.

[0147] The core assembly includes an upper cover core assembly and a chassis core assembly. The upper cover core assembly covers the chassis core assembly and has process holes.

[0148] The two support plates 212b on the lower side of the clamping seat 212a are in contact with one side of the core assembly, and the two support plates 212b are rotatably connected to the clamping seat 212a, so that the two support plates 212b can rotate following the shape of one side of the chassis core assembly, thereby improving the tightness of the contact between the support plates 212b and the chassis core assembly and improving the stability of the two clamping parts 212 in clamping the chassis core assembly in the core assembly.

[0149] The clamping block 212e can be inserted into the process hole of the upper cover core assembly. The clamping cylinder 212d can drive the clamping plate 212c to slide, thereby causing the clamping block and the upper cover core assembly to slide together, so that the upper cover core assembly is tightly covered on the chassis core assembly, preventing the upper cover core assembly from falling off the chassis core assembly when adjusting the core assembly posture.

[0150] In some embodiments, the clamping part 212 further includes a linear bearing 212f, the fixed end of which is connected to the clamping seat 212a, and the movable end of which is connected to the pressure plate 212c.

[0151] The linear bearing 212f improves the stability of the pressure plate 212c sliding on the clamping seat 212a.

[0152] In some embodiments, the rotating part 214 includes a rotating housing 214a, a rotating cylinder 214b, and a rotating connecting shaft 214c.

[0153] The rotating housing 214a is fixedly installed on the side of the connecting housing 211b away from the clamping part 212.

[0154] Rotary cylinder 214b is installed inside rotating housing 214a.

[0155] The rotating connecting shaft 214c is rotatably installed inside the rotating housing 214a. One end of the shaft is connected to the rotating end of the rotating cylinder 214b, and the other end is fixedly connected to one side of the clamping seat 212a.

[0156] When the rotary cylinder 214b is started, it drives the rotary connecting shaft 214c to rotate. The rotary connecting shaft 214c drives the clamping seat 212a to rotate, thereby driving the clamping part 212 to rotate. By rotating the rotary cylinder 214b in both directions, the clamping part 212 can be rotated in both directions, thereby adjusting the posture of the core assembly.

[0157] In some embodiments, combined with Figures 5-8 The turntable mechanism 500 includes a mounting base 520, a drive motor 530, a turntable 540, a rotating platform 550, a core assembly platform 560, a linear guide rail 570, a displacement cylinder 580, and a connecting assembly 590.

[0158] Mounting base 520 serves as the support for turntable mechanism 500.

[0159] The drive motor 530 is mounted on the mounting base 520.

[0160] The turntable 540 is connected to the output shaft of the drive motor 530 and is configured to mount two second transmission lines 510.

[0161] Two rotating platforms 550 are provided, and each is slidably connected to two second transmission lines 510.

[0162] There are two core assembly platforms 560, which are installed on two rotating platforms 550 respectively, for placing the sand core assembly 910 and the pre-fixed sand core assembly 130.

[0163] The linear guide 570 is configured to connect the first transmission line 610 and the second transmission line 510 to transmit the pre-fixed sand core assembly 130 on the second transmission line 510 to the support 600, and to transmit the sand core assembly 910 on the support 600 to the second transmission line 510.

[0164] The displacement cylinder 580 is mounted on the mounting base 520 and is configured to drive the rotary platform 550 to reciprocate along the first transmission line 610, the second transmission line 510 and the linear guide 570.

[0165] A connecting assembly 590 is disposed between the displacement cylinder 580 and the two rotary platforms 550 and is configured to connect the displacement cylinder 580 and the rotary platforms 550.

[0166] When the drive motor 530 starts, it can drive the turntable 540 to rotate continuously in one direction. The turntable 540 drives the rotating platform 550 to rotate, thereby connecting one of the two second transmission lines 510 to the linear guide rail 570. This allows the pre-fixed sand core group 130 on the second transmission line 510 to be transferred to the support base 600, and the sand core group 910 on the support base 600 to be transferred to the second transmission line 510. The displacement cylinder 580 is connected to the two rotating platforms 550 through the connecting assembly 590, thereby driving the two rotating platforms 550 to reciprocate on the first transmission line 610, the second transmission line 510, and the linear guide rail 570, respectively.

[0167] In some embodiments, the connection component 590 includes a connector 590a and a connection shaft 590b.

[0168] The connecting seat 590a is fixedly installed on the telescopic end of the displacement cylinder 580.

[0169] There are two connecting shafts 590b, which are respectively mounted on two rotating platforms 550.

[0170] The connecting seat 590a has a track groove 590c, and the connecting shaft 590b passes through the track groove 590c during the rotation of the rotating platform 550.

[0171] When the connecting shaft 590b is located in the track groove 590c, the displacement cylinder 580 is connected to the rotary platform 550 through the connecting shaft 590b and the connecting seat 590a, so that the rotary platform 550 can be moved by activating the displacement cylinder 580.

[0172] The connection component 590 is configured so that the rotary platform 550 is connected to the displacement cylinder 580 during the rotation of the turntable 540, thereby driving the rotary platform 550 to move on the first transmission line 610, the second transmission line 510 and the linear guide rail 570.

[0173] In some embodiments, the turntable mechanism 500 further includes a buffer assembly 511 and a locking assembly 512.

[0174] There are two buffer components 511, which are respectively located on the side of the two turntables 540 away from the connecting component 590.

[0175] The locking assembly 512 is located on the side of the turntable 540 near the linear guide 570 and is configured to press either of the two rotary platforms 550 against the buffer assembly 511.

[0176] The buffer assembly 511 and the locking assembly 512 are configured to fix the rotating platform 550 onto the turntable 540 so that the pre-fixed sand core assembly 130 can be assembled on the rotating platform 550.

[0177] In some embodiments, the buffer assembly 511 includes a buffer seat 511a and a buffer rod 511b.

[0178] The buffer seat 511a is installed on the side of the turntable 540 away from the connecting assembly 590.

[0179] The buffer rod 511b is mounted on the buffer seat 511a and is used to abut against the rotating platform 550.

[0180] The buffer seat 511a and buffer rod 511b can limit the position of the rotating platform 550 on the turntable 540.

[0181] In some embodiments, the locking assembly 512 includes a locking seat 512a, a locking moving rod 512b, a locking fixed rod 512c, a rotating shaft 512d, a rotating force-applying rod 512e, and a driving member.

[0182] The locking seat 512a is installed on the side of the turntable 540 near the linear guide 570.

[0183] The locking lever 512b is rotatably mounted on the upper side of the locking seat 512a.

[0184] The locking rod 512c is fixedly installed on the upper side of the locking moving rod 512b and is used to abut against the rotating platform 550.

[0185] The rotating shaft 512d is rotatably mounted on the lower side of the locking seat 512a.

[0186] The middle part of the rotating force-applying rod 512e is rotatably connected to the rotating shaft 512d, and the top of the rotating force-applying rod 512e is rotatably connected to the locking moving rod 512b.

[0187] The drive unit is mounted on the mounting base 520 and is used to drive the rotating force bar 512e to rotate in both directions.

[0188] The rotating force rod 512e is driven to rotate by the drive component. Under the action of the rotating shaft 512d, the rotating force rod 512e drives the locking rod 512b to rotate, thereby causing the locking rod 512c to rotate toward or away from the rotating platform 550, thus realizing the locking or unlocking of the rotating platform 550.

[0189] In addition, a support rod is fixed to the lower end of the rotating force-applying rod 512e, and a rotating sleeve is rotatably connected to the support rod. The output end of the driving component abuts against the rotating sleeve, which improves the stability of the driving component applying force to the rotating force-applying rod 512e.

[0190] In some embodiments, the drive unit includes a locking cylinder 512f and an unlocking cylinder 512g.

[0191] The locking cylinder 512f is mounted on the mounting base 520, and its telescopic end abuts against the lower end of the rotating force rod 512e to drive the rotating force rod 512e to rotate, so that the locking rod 512c presses the rotating platform 550 against the buffer assembly 511.

[0192] The unlocking cylinder 512g is mounted on the mounting base, and its telescopic end abuts against the rotating force rod 512e to drive the rotating force rod 512e to rotate, so that the locking rod 512c moves away from the rotating platform 550.

[0193] The setting of locking cylinder 512f and unlocking cylinder 512g enables automatic adjustment of the state of locking component 512.

[0194] In some embodiments, combined with Figure 9 The integral core transfer fixture 710 includes a fixture frame 711, a fixed clamping plate 712, a movable clamping plate 713, a clamping cylinder 714, and a positioning block 715.

[0195] The clamp frame 711 is fixedly connected to the transfer robot 700.

[0196] Two fixing plates 712 are provided, which are symmetrically installed on one side of the clamp frame 711.

[0197] Two movable clamping plates 713 are provided, which are symmetrically slidably arranged on the other side of the clamping frame 711.

[0198] Two clamping cylinders 714 are provided and installed in the clamp frame 711 respectively. Their telescopic ends are connected to two movable clamping plates 713 respectively to drive the two movable clamping plates 713 to move closer to or away from the fixed clamping plate 712.

[0199] Multiple positioning blocks 715 are provided, which are fixed on the opposite side of the fixed clamping plate 712 and the movable clamping plate 713, and are configured to cooperate with the process holes on the core assembly.

[0200] When the integral core transfer fixture 710 is needed to clamp the sand core assembly 910, the transfer robot 700 moves the fixture frame 711 so that the sand core assembly 910 is located between the fixed clamping plate 712 and the movable clamping plate 713. Then, the clamping cylinder 714 is activated, which drives the movable clamping plate 713 to move closer to the fixed clamping plate 712 until the movable clamping plate 713 and the fixed clamping plate 712 clamp the sand core assembly 910.

[0201] The positioning block 715 facilitates the positioning of the sand core assembly 910 on the fixed clamping plate 712 and the movable clamping plate 713.

[0202] In this embodiment, a one-piece cylinder head sand core assembly system includes a core loading mechanism 100, an assembly robot 200, a sand core cleaning mechanism 300, a connecting mechanism 400, and a turntable mechanism 500. The assembly robot 200 has an assembly clamp 210, which is configured to place a first core 110 on the core loading mechanism 100 onto the turntable mechanism 500. The assembly clamp 210 is also configured to place a second core 120 on the core loading mechanism 100 onto the first core 110.

[0203] The sand core cleaning mechanism 300 is configured to remove loose sand from the first core group 110 and the second core group 120 held by the box clamp 210.

[0204] The connecting mechanism 400 is configured to connect the first core group 110 and the second core group 120 to form a pre-fixed sand core group 130, which is connected by a connector to form a sand core group 910.

[0205] This application also discloses a method for preparing a sand core assembly box for an integrated cylinder head, which adopts any of the integrated cylinder head sand core assembly box systems described above. The integrated cylinder head sand core assembly box system includes a core loading mechanism 100, an assembly robot 200, a sand core cleaning mechanism 300, a connecting mechanism 400, and a turntable mechanism 500.

[0206] The preparation method of the integrated cylinder head sand core assembly box includes:

[0207] The core assembly feeding mechanism 100 sequentially conveys the first core assembly 110 and the second core assembly 120.

[0208] The box-closing robot 200's box-closing clamp 210 places the first core group 110 from the core group feeding mechanism 100 onto the turntable mechanism 500, and the sand core cleaning mechanism 300 removes the scattered sand from the first core group 110 held by the box-closing clamp 210.

[0209] The box clamp 210 clamps the second core group 120 on the core group feeding mechanism 100, and the sand core cleaning mechanism 300 removes the scattered sand from the second core group 120 clamped by the box clamp 210.

[0210] The box clamp 210 places the second core group 120 onto the first core group 110.

[0211] The connecting mechanism 400 connects the first core group 110 and the second core group 120 to form a pre-fixed sand core group 130.

[0212] The pre-fixed sand core assembly 130 is connected by connectors to form the sand core assembly 910.

[0213] The various embodiments or implementation methods described in this specification are presented in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.

[0214] It should be noted that the embodiments referred to in the specification, such as "one embodiment," "embodiment," "exemplary embodiment," and "some embodiments," may include specific features, structures, or characteristics, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not, is within the knowledge scope of those skilled in the art.

[0215] Generally speaking, terms should be understood at least in part by their use in context. For example, at least in part by context, the term "one or more" as used in the text can be used to describe any feature, structure, or characteristic of the singular meaning, or a combination of features, structures, or characteristics of the plural meaning. Similarly, at least in part by context, terms such as "a" or "the" can also be understood to convey either singular or plural usage.

[0216] It should be readily understood that the terms “on,” “above,” and “on top of” in this disclosure should be interpreted in the broadest possible sense, such that “on” means not only “directly on something” but also “on something” with an intermediate feature or layer therebetween, and that “above” or “on top of” means not only “on top of something” but also “on top of something” without an intermediate feature or layer therebetween (i.e., directly on something).

[0217] Furthermore, for ease of explanation, spatially relative terms such as "below," "below," "under," "above," and "above" may be used to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation other than those shown in the figures. The device may have other orientations (rotated 90 degrees or in other orientations), and the spatially relative descriptive terms used herein may be interpreted accordingly.

[0218] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A one-piece cylinder head sand core assembly system, characterized in that, The device includes a core loading mechanism, a box-closing robot, a sand core blowing mechanism, a connecting mechanism, and a turntable mechanism. The box-closing robot has a box-closing clamp, which is configured to place a first core from the core loading mechanism on the turntable mechanism at a 0-degree angle, and the box-closing clamp is configured to place a second core from the core loading mechanism on the first core at a 180-degree angle. The sand core blowing mechanism is configured to remove loose sand from the first core group and the second core group held by the box clamp; The connecting mechanism is configured to connect the first core group and the second core group to form a pre-fixed sand core group, which is connected by a connector to form a sand core group; It also includes a support base for serving as a worktable for fastening the pre-fixed sand core assembly. The support base has a first transmission line, and the turntable mechanism has at least two second transmission lines. The turntable mechanism is configured to rotate relative to the support base so that any of the second transmission lines is connected to the first transmission line to transfer the pre-fixed sand core assembly on the second transmission line to the support base, and to transfer the sand core assembly on the support base to the second transmission line. The turntable mechanism includes: Mounting base; A drive motor is mounted on the mounting base; A turntable, connected to the output shaft of the drive motor, is configured to mount at least two of the second transmission lines; At least two rotating platforms are provided, and each is slidably connected to any one of the second transmission lines; At least two core assembly platforms are provided, each installed on one of the rotating platforms, for placing the sand core assembly and the pre-fixed sand core assembly respectively; A linear guide is configured to connect the first transmission line and the second transmission line to transmit the pre-fixed sand core assembly on the second transmission line to the support base, and to transmit the sand core assembly on the support base to the second transmission line; A displacement cylinder is mounted on the mounting base and configured to drive the rotary platform to reciprocate along the first transmission line, the second transmission line and the linear guide rail; A connecting assembly is disposed between the displacement cylinder and at least two of the rotary platforms and is configured to connect the displacement cylinder and the rotary platforms; At least two buffer components are provided, each disposed on the side of any of the turntables away from the connecting component; A locking assembly is disposed on the side of the turntable near the linear guide and is configured to press either of the rotating platforms against the buffer assembly.

2. The integrated cylinder head sand core assembly system according to claim 1, characterized in that, It also includes a transfer robot, a labeling mechanism, and a transmission mechanism. The transfer robot has an integral core transfer fixture, which is configured to transfer the sand core assembly on the second transmission line to the labeling mechanism. The labeling mechanism is configured to affix information codes to the sand core assembly; The transmission mechanism is configured to transmit the sand core assembly having the information code.

3. The integrated cylinder head sand core assembly system according to claim 1 or 2, characterized in that, The box clamp includes The installation section has two parts, each connected to the box-closing robot; The clamping part is provided in two parts, which are respectively connected to the two mounting parts. One clamping part is fixedly connected to the mounting part, and the other clamping part is slidably connected to the mounting part. A drive cylinder, mounted on the mounting portion, is configured to drive one of the clamping portions toward or away from the other clamping portion; There are two rotating parts, each connected to one of the two mounting parts, and each configured to drive the two clamping parts to rotate.

4. The integrated cylinder head sand core assembly system according to claim 3, characterized in that, The mounting part includes, The mounting box is connected to the box-closing robot. There are two connecting boxes, each connected to the mounting box and used to install the two clamping parts respectively; In one of the mounting parts, the connecting box is fixedly connected to the mounting box, and in the other mounting part, the connecting box is slidably connected to the mounting box; The mounting box is fixed with a drive rail, and one of the connecting boxes is slidably connected to the drive rail.

5. The integrated cylinder head sand core assembly system according to claim 4, characterized in that, The clamping part includes, A clamping base is connected to the connecting box; There are two support plates, which are symmetrically rotatably connected to the lower side of the clamping seat; A clamping plate is slidably disposed on the upper side of the clamping seat; A clamping cylinder is installed on the clamping seat, and its telescopic end is connected to the clamping plate so that the clamping plate can reciprocate on the clamping seat; A clamping stop is fixed to the clamping plate and configured to engage with a process hole on the core assembly; The linear bearing has its fixed end connected to the clamping seat and its movable end connected to the pressure plate.

6. The integrated cylinder head sand core assembly system according to claim 4, characterized in that, The rotating part includes, The rotating housing is installed on the side of the connecting housing opposite to the clamping part; A rotary cylinder is installed inside the rotary housing; A rotating connecting shaft is rotatably installed inside the rotating housing. One end of the shaft is connected to the rotating end of the rotating cylinder, and the other end is fixedly connected to one side of the clamping seat.

7. The integrated cylinder head sand core assembly system according to claim 1, characterized in that, The connection component includes, A connecting seat is installed at the telescopic end of the displacement cylinder; At least two connecting shafts are provided, each mounted on one of the rotating platforms; The connecting seat has a track groove, and the connecting shaft passes through the track groove as it rotates with the rotating platform.

8. The integrated cylinder head sand core assembly system according to claim 1, characterized in that, The locking assembly includes... A locking seat is installed on the side of the turntable near the linear guide rail; The locking lever is rotatably mounted on the upper side of the locking seat; A locking rod is fixedly installed on the upper side of the locking moving rod to abut against the rotating platform; A rotating shaft is rotatably mounted on the lower side of the locking seat; The rotating force-applying rod is rotatably connected to the rotating shaft in the middle and to the locking rod at the top. A driving component, mounted on the mounting base, is used to drive the rotating force rod to rotate in both directions.

9. The integrated cylinder head sand core assembly system according to claim 8, characterized in that, The driving component includes, A locking cylinder is installed on the mounting base, and its telescopic end abuts against the rotating force rod to drive the rotating force rod to rotate, so that the locking rod abuts the rotating platform against the buffer assembly; An unlocking cylinder is installed on the mounting base, with its telescopic end abutting against the rotating force rod to drive the rotating force rod to rotate, thereby moving the locking rod away from the rotating platform.

10. The integrated cylinder head sand core assembly system according to claim 2, characterized in that, The integral core transfer fixture includes... The clamping frame is connected to the transfer robot. Two fixing plates are provided, which are symmetrically installed on one side of the clamp frame; Two movable clamping plates are provided, which are symmetrically slidably disposed on the other side of the clamping frame. Two clamping cylinders are provided and are respectively installed in the clamping frame. Their telescopic ends are respectively connected to the two movable clamping plates to drive the two movable clamping plates to move closer to or away from the fixed clamping plate. Multiple positioning blocks are provided, which are respectively fixed on the opposite side of the fixed clamping plate and the movable clamping plate, and are configured to cooperate with the process holes on the core assembly.

11. A method for preparing a one-piece cylinder head sand core assembly box, characterized in that, The integrated cylinder head sand core assembly system according to any one of claims 1-10 includes a core loading mechanism, an assembly robot, a sand core blowing mechanism, a connecting mechanism, and a turntable mechanism. The preparation method of the integrated cylinder head sand core assembly box includes: The core assembly feeding mechanism sequentially transports the first core assembly and the second core assembly. The box-closing robot's box-closing clamp places the first core group in the core group feeding mechanism onto the turntable mechanism, and the sand core cleaning mechanism removes the scattered sand from the first core group held by the box-closing clamp. The box clamping fixture picks up the second core group from the core group feeding mechanism, and the sand core cleaning mechanism removes the loose sand from the second core group picked up by the box clamping fixture; The box clamp places the second core group onto the first core group; The connecting mechanism connects the first core group and the second core group to form a pre-fixed sand core group; The pre-fixed sand core assemblies are connected by connectors to form a sand core assembly.

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