Cylinder cover and camshaft cover mounting and tightening production line

Abstract

The utility model provides a cylinder cover camshaft cover installing and tightening production line which comprises a roller line, a tightening mechanism and a material taking mechanism, the roller line is provided with an installing station and a tightening station, the material taking mechanism is arranged on one side of the tightening station, and the tightening mechanism is arranged on the tightening station; the roller line comprises a roller frame body, a plurality of groups of rollers are arranged in the middle of the roller frame body, and the rollers are driven by a plurality of roller line motors; two template positioning assemblies, a cam shaft cover mounting position jacking assembly, a first cam shaft cover mounting position centering assembly, a second cam shaft cover mounting position centering assembly and a material box platform are arranged at the positions, corresponding to the mounting stations, of the roller way frame body; the material taking mechanism comprises a material taking frame, and the material taking frame is used for placing and conveying material boxes; and the tightening mechanism comprises six rotatable tightening heads. According to the utility model, the camshaft cover can be directly and quickly mounted and tightened on a production line, and the camshaft cover mounting and tightening device has the advantages of high automation degree and strong universality.

Description

Technical Field

[0001] The utility model mainly relates to the technical field related to the installation of a camshaft cover of a cylinder head, in particular to a cylinder head camshaft cover installation and tightening production line. Background Art

[0002] For engine cylinder head, such as Figure 1 As shown, multiple camshaft covers need to be installed on the cylinder head. The installation process of the camshaft cover is generally to first place the camshaft cover on the corresponding position of the cylinder head through the installation template, and then tighten the corresponding screws.

[0003] In the prior art, automatic tightening machines are often used to tighten the screws on the camshaft cover of the cylinder head. The automatic tightening machines include multiple tightening heads, and the screws are automatically tightened by the tightening heads. In the prior art, the camshaft cover installation line generally only has a tightening station, that is, the staff installs the camshaft cover on the cylinder head in advance, and then pre-tightens the screws before placing it on the roller line. At this time, when the workpiece runs on the track line to the tightening station, automatic positioning and screw tightening are realized. The above-mentioned prior art is highly efficient at the camshaft cover tightening station, but when the camshaft cover is installed and pre-tightened, it cannot be completed directly and quickly on the roller line, resulting in the difficulty in effectively improving the efficiency of the entire cylinder head tightening production line. At the same time, in the automatic tightening production line of the cylinder head, there are generally various specifications of cylinder heads equipped with different camshaft covers, which requires the tightening machine to be applicable to various different specifications of cylinder heads. In the prior art, the adaptability of the production line is low. Therefore, it is necessary to design a production line that can realize the rapid installation and tightening of the camshaft cover of the cylinder head and has high versatility. Utility Model Content

[0004] In order to solve the deficiencies of current technology, the utility model combines the existing technology and, based on practical application, provides a cylinder head camshaft cover installation and tightening production line, which can directly complete the rapid installation and tightening of the camshaft cover on the production line, and has the advantages of high degree of automation and strong versatility.

[0005] The technical solution of the utility model is as follows:

[0006] A cylinder head camshaft cover installation and tightening production line, comprising a roller line, a tightening mechanism and a material taking mechanism, wherein the roller line has an installation station and a tightening station, the material taking mechanism is arranged at one side of the tightening station, and the tightening mechanism is arranged at the tightening station;

[0007] The roller conveyor line includes a roller conveyor frame, a plurality of rollers are arranged in the middle of the roller conveyor frame, and the rollers are driven by a plurality of roller conveyor line motors. Two template positioning assemblies, a camshaft cover installation position lifting assembly, a first camshaft cover installation position centering assembly, a second camshaft cover installation position centering assembly and a material box platform are arranged at the corresponding installation positions of the roller conveyor frame;

[0008] The material taking mechanism comprises a material taking rack, and the material taking rack is used for placing and conveying material boxes;

[0009] The tightening mechanism comprises a base, on which a camshaft cover tightening position lifting assembly and a tightening main unit are arranged. The tightening main unit is a 6-axis structure and comprises 6 rotatable tightening heads.

[0010] Furthermore, the material taking rack comprises a multi-layer frame body, the frame body is inclined toward a direction close to a roller frame body, and a plurality of conveying wheels for conveying the material boxes are arranged on the frame body.

[0011] Further, the first camshaft cover mounting position centering assembly is arranged at the lower part of the roller frame, and the second camshaft cover mounting position centering assembly is arranged at the upper part of the roller frame;

[0012] The first camshaft cover mounting position centering assembly includes a first camshaft cover mounting position centering cylinder and a first camshaft cover mounting position centering push plate, and the second camshaft cover mounting position centering assembly includes a second camshaft cover mounting position centering cylinder and a second camshaft cover mounting position centering push plate.

[0013] Furthermore, the template positioning assembly includes a template positioning support frame, a guide plate is arranged on the upper part of the template positioning support frame, the guide plate has a slide groove for the camshaft cover installation template to be pulled in and installed, and a spring locking pin is arranged at the slide groove.

[0014] Furthermore, a template placement rack is provided at the lower part of the front end of the roller frame body, and a plurality of camshaft cover installation templates are placed in layers on the template placement rack, and a handle is provided on the camshaft cover installation template.

[0015] Furthermore, a plurality of blocking components are provided on the roller frame corresponding to the installation station and the tightening station. The blocking components include a blocking cylinder and a blocking block driven by the blocking cylinder to be raised and lowered, and the blocking block can pass upward through the gap between the rollers.

[0016] Further, the tightening main machine includes a tightening main frame, on which a main lifting drive assembly is arranged, which is connected to a main lifting frame body, on which a main left and right displacement drive assembly is arranged, which is connected to a main left and right displacement mounting plate, on which a front front-to-back displacement drive assembly, a middle front-to-back displacement drive member and a rear front-to-back displacement drive assembly are arranged, the front front-to-back displacement drive assembly is connected to a front tightening assembly, the front tightening assembly includes two tightening heads which can be adjusted left and right, the middle front-to-back displacement drive assembly is connected to a middle tightening assembly, the middle tightening assembly includes two tightening heads, the rear front-to-back displacement drive member is connected to a rear tightening assembly, and the rear tightening assembly includes two tightening heads which can be adjusted left and right.

[0017] Furthermore, the main lifting drive assembly is driven by a motor, and the main left and right displacement drive assembly, the front front and rear displacement drive assembly, the middle front and rear displacement drive assembly, and the rear front and rear displacement drive assembly are all driven by cylinders.

[0018] Furthermore, the camshaft cover installation position lifting assembly and the camshaft cover tightening position lifting assembly both include two lifting plates that can be driven by a cylinder, and the lifting plates can pass through the gap between the rollers to lift the upper cylinder cover.

[0019] Beneficial effects of the utility model:

[0020] 1. In the utility model, an installation station and a tightening station are arranged on the roller line. The camshaft cover can be quickly installed at the installation station, and the screws can be automatically and quickly tightened at the tightening station. The production line can improve the installation efficiency of the camshaft cover and can be applicable to the installation and tightening of various types of cylinder head camshaft covers.

[0021] 2. In the utility model, a material taking mechanism is arranged on the roller line, which can continuously provide the screws required for installation and ensure the installation efficiency of the camshaft cover.

[0022] 3. In the utility model, the cylinder head is conveyed by rollers, and when entering the installation station, it can be lifted up by the jacking structure and positioned by the centering structure, so that the cylinder head is separated from the roller line and the positioning is completed. At this time, the staff can quickly install multiple camshaft covers to the corresponding positions of the cylinder heads through the installation template placed on the template positioning assembly, and pre-tighten the screws. After that, the cylinder head is dropped and automatically conveyed to the next tightening station. The overall operation is simple and convenient, and the camshaft cover can be quickly installed.

[0023] 4. In the utility model, a group of centering components are arranged at the lower part of the roller frame, which can provide an operating space for the operator, so that the operator can complete the rapid installation of the camshaft cover from this position, and a material box is integrated at the roller frame, so that screws can be taken at hand, further improving work efficiency, and a variety of installation templates of different specifications can be integrated on the roller frame. When installing the corresponding camshaft cover, the installation template can be quickly slid to the position of the template positioning component, so that the roller line can meet the installation and use of camshaft covers of cylinder heads of various specifications.

[0024] 5. In the present invention, the tightening machine adopts a 6-axis structure, in which the 6 axes can be adjusted synchronously up and down and left and right. The 2 axes at the front, middle and rear sides can be adjusted front and back, and the 2 axes at the front and rear sides can be adjusted left and right separately. Through multi-directional adjustment, the tightening machine can be used for tightening camshaft covers on various types of cylinder heads. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Attached Figure 1 Schematic diagram of the matching method between the bearing cover and the camshaft cover.

[0026] Attached Figure 2 This is a schematic diagram of the overall structure of the production line.

[0027] Attached Figure 3 It is a schematic diagram of the material taking mechanism structure.

[0028] Attached Figure 4 This is a schematic diagram of the main structure of the roller track.

[0029] Attached Figure 5 This is a schematic diagram of the three-dimensional structure of the roller conveyor at the installation station.

[0030] Attached Figure 6 This is a schematic diagram of the main structure of the roller conveyor at the installation station.

[0031] Attached Figure 7 This is a schematic diagram of the partial structure of the camshaft cover mounting position lifting assembly.

[0032] Attached Figure 8 Position the component structure diagram for the template.

[0033] Attached Fig. 9 Schematic diagram of the blocking component structure.

[0034] Attached Fig.10 This is a schematic diagram of the first camshaft cover installation position alignment component structure.

[0035] Attached Fig.11 This is a schematic diagram of the second camshaft cover installation position alignment component structure.

[0036] Attached Fig.12 Schematic diagram of the template structure for installing one of the camshaft covers.

[0037] Attached Fig.13 It is a schematic diagram of the tightening mechanism structure.

[0038] Attached Fig.14 It is a schematic diagram of the overall structure of the tightening machine.

[0039] Attached Fig.15 Schematic diagram of the tightening machine structure Figure 1 .

[0040] Attached Fig.16 Schematic diagram of the tightening machine structure Figure 2 .

[0041] Attached Fig.17 Schematic diagram of the tightening machine structure Figure 3 .

[0042] Attached Fig.18Schematic diagram of the front side tightening assembly structure.

[0043] Numbers shown in the accompanying drawings:

[0044] 1. Cylinder head; 2. Camshaft cover; 3. Reclaiming mechanism; 4. Roller track; 5. Tightening mechanism; 6. Installation station; 7. Tightening station;

[0045] 31. Material taking rack; 32. Conveying wheel;

[0046] 43. Roller frame; 44. Roller; 45. Second camshaft cover mounting position centering assembly; 46. First camshaft cover mounting position centering assembly; 47. Camshaft cover mounting position lifting assembly; 48. Material box platform; 49. Material box; 410. Template placement frame; 411. Camshaft cover mounting template; 412. Template positioning assembly; 413. Camshaft cover mounting position lifting cylinder; 414. Blocking assembly; 415. Camshaft mounting position lifting plate; 416. Template positioning support frame; 417. Guide plate; 418. Slide; 419. Spring locking pin; 420. Blocking cylinder; 421. Blocking block; 422. First camshaft cover mounting position centering push plate; 423. First camshaft cover mounting position centering cylinder; 424. Second camshaft cover mounting position centering cylinder; 425. Second camshaft cover mounting position centering push plate; 426. Handle;

[0047] 51. Base; 52. Camshaft cover tightening position lifting assembly; 53. Tightening main frame; 54. Main lifting frame; 55. Main left and right displacement mounting plate; 56. Main lifting drive motor; 57. Main left and right displacement drive cylinder; 58. Rear tightening assembly; 59. Middle tightening assembly; 510. Front tightening assembly; 511. Rear front and rear displacement drive cylinder; 512. Middle front and rear displacement drive cylinder; 513. Front front and rear displacement drive cylinder; 514. Rear left and right displacement drive motor; 515. Front left and right displacement drive motor; 516. Tightening head. DETAILED DESCRIPTION

[0048] The utility model is further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by this application.

[0049] This embodiment provides a cylinder head camshaft cover installation and tightening production line. Figure 1 As shown, during the production process of the engine cylinder head, the camshaft cover 2 needs to be installed on the cylinder head 1 and locked with screws. This production line can realize the functions of installing the camshaft cover 2 on the cylinder head 1 and tightening the screws.

[0050] This production line mainly includes a roller line 4, a tightening mechanism 5 and a feeding mechanism 3, wherein the roller line 4 has an installation station 6 and a tightening station 7, wherein the installation station 6 is in front and the tightening station 7 is in the back, and the cylinder body 1 enters from the front end of the installation station 6, and first runs to the installation station 6 through the roller line 4, at the installation station 6, the cylinder body 1 is automatically lifted and positioned, at this time, the camshaft cover 2 is manually installed to the corresponding position of the cylinder body 1, and the screws are pre-tightened, and then the cylinder body 1 continues to be transported backward to the tightening station 7, and the screws are quickly and automatically tightened at the tightening station 7 by a 6-axis automatic tightening machine.

[0051] In this embodiment, the material taking mechanism 3 is arranged outside the installation station 6, and is mainly used to provide screws required for the installation of the camshaft cover 2. As described in the reference figure, the material taking mechanism 3 mainly includes a material taking rack 31, and the material taking rack 31 adopts a multi-layer structure design, and each layer can be placed with multiple rows of material boxes, and screws are placed in the material boxes. The material taking rack 31 is tilted toward the side close to the installation station 6 as a whole, and is provided with a conveying wheel 32, through which the material boxes are automatically conveyed downward for use by operators.

[0052] The installation and tightening of the camshaft cover in the present invention will be further described below in the form of specific embodiments.

[0053] Embodiment 1:

[0054] This embodiment provides a specific structure of a roller conveyor at an installation station.

[0055] The roller track mainly includes a roller frame 43, wherein a plurality of rollers 44 are arranged in the middle of the roller frame 43, and the rollers 44 are driven by a plurality of roller track motors. After the cylinder head 1 is placed on the track frame 43, it can be transported backward to the installation station 6 under the action of the rollers 44.

[0056] Two template positioning components 412 are provided at the corresponding installation station 6 on the roller frame 3. The two template positioning components 412 are mainly used to place the camshaft cover installation template 411. A camshaft cover installation position lifting component 47 is provided at the lower part between the two template positioning components 412. When the cylinder head 41 is transported backward to the installation station, the blocking component 414 is used to block the positioning, and the camshaft cover installation position lifting component 47 is used to lift the cylinder head 1 to make it separate from the roller 44, and then the first camshaft cover installation position centering component 46 and the second camshaft cover installation position centering component 45 on both sides are used for centering and positioning. At this time, the cylinder head 1 is just below the camshaft cover installation template 411, and a material box platform 48 is provided on the outer side of the template positioning component 412. A plurality of material boxes 49 for placing screws are provided on the material box platform 48. The operator can take out the screws from the material box 49 and tighten them into the corresponding installation holes of the camshaft cover 42.

[0057] In this embodiment, the camshaft cover installation position lifting assembly 47 is mainly used to lift the cylinder head 1 so that it is separated from the roller 44 when the camshaft cover 2 is installed, and falls on the roller 44 to continue to be transported backward after the installation is completed. As shown in the reference figure, the camshaft cover installation position lifting assembly 47 mainly includes a camshaft cover installation position lifting cylinder 413 and two camshaft installation position lifting plates 415 driven by the camshaft cover installation position lifting cylinder 413 to be raised and lowered. The upper part of the camshaft installation position lifting plate 415 is provided with a limit piece that can be inserted into the corresponding hole at the bottom of the cylinder head 1. The two camshaft installation position lifting plates 415 can pass through the gap between the rollers 44 to lift the cylinder head 1 upward.

[0058] In this embodiment, the first camshaft cover mounting position centering component 46 and the first camshaft cover mounting position centering component 45 cooperate to center the cylinder head 1, wherein the first camshaft cover mounting position centering component 46 is arranged at the lower part of the roller frame 43, and the second camshaft cover mounting position centering component 45 is arranged at the upper part of the roller frame 43. The first camshaft cover mounting position centering component 46 is located at the lower part of the roller frame 43, which can reserve an operating space for the operator on this side of the roller frame 43, so that the operator can install the camshaft cover 2 conveniently. Both centering components are controlled by cylinders. As shown in the reference figure, the first camshaft cover mounting position centering component 46 includes a first camshaft cover mounting position centering cylinder 423 and a first camshaft cover mounting position centering push plate 422, and the second camshaft cover mounting position centering component 45 includes a second camshaft cover mounting position centering cylinder 424 and a second camshaft cover mounting position centering push plate 425. The first camshaft cover mounting position centering push plate 422 and the second camshaft cover mounting position centering push plate 425 are used to push the cylinder head 1 into the centering position and clamp it in place.

[0059] In this embodiment, a plurality of blocking components 414 are provided on the roller frame 43, which are mainly used for limiting the cylinder head 1, wherein the blocking component 414 includes a blocking cylinder 420 and a blocking block 421 which is driven by the blocking cylinder 420 and can be raised and lowered, and the blocking block 421 can pass upward through the gap between the rollers 4, so as to block the cylinder head 1 on the production line.

[0060] In this embodiment, a template placement frame 410 is provided at the lower front end of the roller frame 43, and a plurality of camshaft cover installation templates 411 are placed in layers on the template placement frame 410. The template positioning assembly 412 is mainly used to support and replace the camshaft cover installation template 411. When the cylinder head 1 of different specifications is used, the corresponding camshaft cover installation template 411 is replaced. As shown in the reference figure, the template positioning assembly 412 mainly includes a template positioning support frame 416, which is fixed on the roller frame 43. A guide plate 417 is provided on the upper part of the template positioning support frame 46. The guide plate 417 has a slide groove 418, and a spring locking pin 419 is provided at the slide groove 418. The camshaft cover installation template 411 is installed in the slide groove 418 by pulling and can be locked by two spring locking pins 419. The camshaft cover installation template 411 has a handle 426, which makes it convenient and quick to disassemble and replace.

[0061] As a preferred solution of this embodiment, a water collecting tank 412 is provided at the lower part of the roller frame 43 to collect water stains, coolant, etc. carried by the cylinder head 1 after processing.

[0062] In this embodiment, the corresponding camshaft cover installation template 411 is placed on the template positioning assembly 412, and the cylinder head 41 is placed at one end of the roller frame 43 and transported backward by the roller 44. When entering the installation station, it is blocked and limited by the blocking assembly 414, and is centered by the first camshaft cover installation position centering assembly 46 and the second camshaft cover installation position centering assembly 45. At the same time, it is lifted by the camshaft cover installation position lifting assembly 47. At this time, the cylinder head 1 is lifted up from the roller 44 and upward to the camshaft cover installation template 411. The operator can install multiple camshaft covers 2 on the cylinder head 1 from the camshaft cover installation template 411, pre-tighten the screws and then transport it backward to the tightening station 7.

[0063] Embodiment 2:

[0064] This embodiment provides a specific structure of a tightening mechanism 5 used at a tightening station 7. When the cylinder head 1 enters the tightening station 7 from the installation station 6, it can be limited by the blocking component and centered by the cylinder centering structures on both sides. After being lifted up by the camshaft cover tightening position lifting component 52 and pressed by multiple pressing components, the automatic tightening operation of the screws can be performed.

[0065] At the tightening station 7, automatic tightening of screws is mainly achieved through the tightening main machine. The tightening main machine mainly includes a tightening main frame 53, which is used for main support. A main lifting drive assembly is arranged on the tightening main frame 53, and the main lifting drive assembly is connected to the main lifting frame body 54. The main lifting drive assembly adopts a motor-driven mode, which mainly includes a main lifting drive motor 56. The main lifting drive motor 56 drives the main lifting frame body 54 to move up and down through a lead screw nut and a guide rail slider, so as to realize the lifting and lowering control of the main body of the 56-axis tightening machine in this embodiment, so that the corresponding tightening head enters a suitable working position.

[0066] In this embodiment, a main left-right displacement drive assembly is provided on the main lifting frame body 54, and the main left-right displacement drive assembly is connected to the main left-right displacement mounting plate 55. In this embodiment, the main left-right displacement mounting plate 55 can switch the workstation in the left-right direction. Since each camshaft cover 52 has two left-right arranged screws, the main left-right displacement mounting plate 55 can be displaced to tighten the screws on the other side after tightening the screws on one side. The main left-right displacement drive assembly is mainly used to realize the switching of two workstations. It is controlled by a cylinder and mainly includes a main left-right displacement drive cylinder 57. The main left-right displacement drive cylinder 57 cooperates with the guide rail slider to drive the main left-right displacement mounting plate 55 to realize the switching of the left-right workstation.

[0067] In this embodiment, three groups of six tightening heads are arranged on the main left and right displacement mounting plate 55. Specifically, a front front and rear displacement drive assembly, a middle front and rear displacement drive member and a rear front and rear displacement drive assembly are arranged on the main left and right displacement mounting plate 55. The front front and rear displacement drive assembly is connected to the front tightening assembly 510. The front tightening assembly 510 includes two tightening heads 516 that can adjust the position left and right. The front front and rear displacement drive assembly can drive the two tightening heads 516 on the front side to adjust and shift synchronously forward and backward. The middle front and rear displacement drive assembly is connected to the middle tightening assembly 59. The middle tightening assembly 59 includes two tightening heads 516. The middle front and rear displacement drive assembly can drive the two tightening heads 516 on the middle side to adjust and shift synchronously forward and backward. The rear front and rear displacement drive member is connected to the rear tightening assembly 58. The rear tightening assembly 58 includes two tightening heads 516 that can adjust the position left and right. The rear front and rear displacement drive assembly can drive the two tightening heads 516 on the rear side to adjust and shift synchronously forward and backward. By changing the position, the tightening head 516 can enter different working positions, so as to tighten the screws at different positions.

[0068] In this embodiment, the front front and rear displacement drive assembly, the middle front and rear displacement drive assembly and the rear front and rear displacement drive assembly are all driven by cylinders. The front front and rear displacement drive assembly includes a front front and rear displacement drive cylinder 513, which cooperates with the guide rail slider to drive the front tightening assembly 510 to move forward and backward to adjust the position, and sets a bolt on the limit block for positioning. The extension length of the positioning cylinder is adjusted by adjusting the length of the bolt on the limit block to make it shift to the set position. Similarly, the middle front and rear displacement drive assembly includes a middle front and rear displacement drive cylinder 12, which cooperates with the guide rail slider to drive the middle tightening assembly 59 to move forward and backward. The rear front and rear displacement drive assembly includes a rear front and rear displacement drive cylinder 511, which cooperates with the guide rail slider to drive the rear tightening assembly 58 to move forward and backward. Each tightening assembly can be controlled separately by an independent cylinder. As shown in the reference figure, in this embodiment, the front tightening assembly 510, the middle tightening assembly 59 and the rear tightening assembly 58 share the guide rails installed on the main left and right displacement mounting plate 55 to achieve front and rear adjustment, so as to make the structure more compact.

[0069] In a preferred solution provided in the present embodiment, the spacing between the two tightening heads 516 corresponding to the front tightening assembly 510 and the rear tightening assembly 58 in the left and right directions can also be adjusted separately. Specifically, the front tightening assembly 510 also includes two front left and right position shifting drive motors 515, and the two front left and right position shifting drive motors 515 respectively drive the corresponding tightening heads 516 to move left and right through the screw nuts. Similarly, the rear tightening assembly 58 includes two rear left and right position shifting drive motors 514, and the two rear left and right position shifting drive motors 514 respectively drive the corresponding tightening heads 516 to move left and right through the screw nuts to achieve the adjustment of the spacing between the tightening heads 516, making it more applicable.

[0070] As shown in the reference figure, openings for tightening heads 516 to pass through are provided on the main lifting frame body 54 and the main left and right displacement mounting plate 55. The six tightening heads 516 face downward and tighten the screws by rotating.

Claims

1. A cylinder head camshaft cover installation and tightening production line, characterized in that: It includes a roller track, a tightening mechanism and a material taking mechanism, wherein the roller track has an installation station and a tightening station, the material taking mechanism is arranged at one side of the tightening station, and the tightening mechanism is arranged at the tightening station; The roller conveyor line includes a roller conveyor frame, a plurality of rollers are arranged in the middle of the roller conveyor frame, and the rollers are driven by a plurality of roller conveyor line motors. Two template positioning assemblies, a camshaft cover installation position lifting assembly, a first camshaft cover installation position centering assembly, a second camshaft cover installation position centering assembly and a material box platform are arranged at the corresponding installation positions of the roller conveyor frame; The material taking mechanism comprises a material taking rack, and the material taking rack is used for placing and conveying material boxes; The tightening mechanism comprises a base, on which a camshaft cover tightening position lifting assembly and a tightening main unit are arranged. The tightening main unit is a 6-axis structure and comprises 6 rotatable tightening heads.

2. The cylinder head camshaft cover installation and tightening production line according to claim 1, characterized in that: The material taking rack comprises a multi-layer frame body, the frame body is tilted toward a direction close to a roller frame body, and a plurality of conveying wheels for conveying material boxes are arranged on the frame body.

3. The cylinder head camshaft cover installation and tightening production line according to claim 1, characterized in that: The first camshaft cover mounting position centering assembly is arranged at the lower part of the roller frame, and the second camshaft cover mounting position centering assembly is arranged at the upper part of the roller frame; The first camshaft cover mounting position centering assembly includes a first camshaft cover mounting position centering cylinder and a first camshaft cover mounting position centering push plate, and the second camshaft cover mounting position centering assembly includes a second camshaft cover mounting position centering cylinder and a second camshaft cover mounting position centering push plate.

4. The cylinder head camshaft cover installation and tightening production line according to claim 1, characterized in that: The template positioning assembly includes a template positioning support frame, a guide plate is arranged on the upper part of the template positioning support frame, the guide plate has a slide groove for the camshaft cover installation template to be pulled in and installed, and a spring locking pin is arranged at the slide groove.

5. The cylinder head camshaft cover installation and tightening production line according to claim 4, characterized in that: A template placement rack is arranged at the lower part of the front end of the roller frame body, and a plurality of camshaft cover installation templates are placed in layers on the template placement rack, and a handle is arranged on the camshaft cover installation template.

6. The cylinder head camshaft cover installation and tightening production line according to claim 1, characterized in that: The roller frame is provided with a plurality of blocking components corresponding to the installation station and the tightening station. The blocking components include a blocking cylinder and a blocking block driven by the blocking cylinder to be raised and lowered. The blocking block can pass upward through the gap between the rollers.

7. The cylinder head camshaft cover installation and tightening production line according to claim 1, characterized in that: The tightening main machine includes a tightening main frame, on which a main lifting drive assembly is arranged, which is connected to a main lifting frame body, on which a main left-right displacement drive assembly is arranged, which is connected to a main left-right displacement mounting plate, on which a front front-to-back displacement drive assembly, a middle front-to-back displacement drive assembly and a rear front-to-back displacement drive assembly are arranged, the front front-to-back displacement drive assembly is connected to a front tightening assembly, the front tightening assembly includes two tightening heads which can be adjusted left-to-right, the middle front-to-back displacement drive assembly is connected to a middle tightening assembly, the middle tightening assembly includes two tightening heads, the rear front-to-back displacement drive assembly is connected to a rear tightening assembly, and the rear tightening assembly includes two tightening heads which can be adjusted left-to-right.

8. The cylinder head camshaft cover installation and tightening production line according to claim 7, characterized in that: The main lifting drive assembly is driven by a motor, and the main left and right displacement drive assembly, the front front and rear displacement drive assembly, the middle front and rear displacement drive assembly, and the rear front and rear displacement drive assembly are all driven by cylinders.

9. The cylinder head camshaft cover installation and tightening production line according to claim 1, characterized in that: The camshaft cover installation position lifting assembly and the camshaft cover tightening position lifting assembly both include two lifting plates that can be driven by a cylinder, and the lifting plates can pass through the gap between the rollers to lift the upper cylinder cover.

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