Tightening mechanism and tightening device

Abstract

The invention discloses a tightening mechanism and a tightening device, and relates to the technical field of battery production equipment, and the tightening mechanism comprises a connecting piece, a variable pitch driving module and a pressing piece tightening integrated mechanism; the pressing piece tightening integrated mechanism is arranged on the connecting piece and comprises a mounting piece, a first driver, a second driver, a pressing piece, a tightening structure and a positioning structure; the mounting piece is arranged on the connecting piece, and the variable-pitch driving module drives the mounting piece to move in the horizontal direction relative to the connecting piece; the pressing piece is arranged at the bottom of the mounting piece and is configured to press a product; the tightening structure is arranged on the mounting part, the second driver drives the tightening structure to ascend and descend in the vertical direction relative to the mounting part, the tightening structure is provided with a rotatable tightening head, and the tightening head is configured to tighten a bolt on a product; and the positioning structure is configured to position the product before the product is pressed by the pressing piece. The invention provides a tightening mechanism compatible with different products so as to reduce the cost of remodeling and reconstruction of equipment and achieve the purpose of rapid and efficient cutting and pulling remodeling.

Description

Technical Field

[0001] This application relates to the technical field of battery production equipment, and particularly relates to a tightening mechanism and a tightening device. Background Art

[0002] With the rapid development of the new energy power battery industry, the production process of power batteries has become more advanced and perfect, and various processes have also put forward higher requirements for the production technology of the lithium battery industry. For example, in battery production, it is necessary to lock and attach the upper cover to the housing.

[0003] In the related art, for the attachment of the upper cover, during the process of tightening the bolt, a pressing member is first used to press the upper cover. However, in the related art, the pressing member needs to be customized according to the shape and size of the upper cover, which not only has a complex structure, but also increases the manufacturing time, the time for reconfiguration during model change, and the equipment cost. Summary of the Invention

[0004] In view of the above problems, this application provides a tightening mechanism and a tightening device, aiming to provide a tightening mechanism that can be compatible with different products, so as to reduce the cost of reconfiguration during model change of the equipment and achieve the purpose of fast, efficient, and quick model change.

[0005] This application provides a tightening mechanism, which includes a connecting member, a variable pitch drive module, and a pressing member tightening integration mechanism; the pressing member tightening integration mechanism is arranged on the connecting member, and the pressing member tightening integration mechanism includes a mounting member, a first driver, a second driver, a pressing member, a tightening structure, and a positioning structure; the mounting member is arranged on the connecting member, and the variable pitch drive module drives the mounting member to move horizontally relative to the connecting member; the first driver is arranged on the mounting member, and the first driver drives the mounting member to move up and down vertically relative to the connecting member; the second driver is arranged on the mounting member; the pressing member is arranged at the bottom of the mounting member and is configured to press the product; the tightening structure is arranged on the mounting member, and the second driver drives the tightening structure to move up and down vertically relative to the mounting member, and the tightening mechanism has a rotatable tightening head, and the tightening head is configured to tighten the bolt on the product; the positioning structure is configured to position the product before the pressing member presses the product.

[0006] In the technical solution of the embodiment of the present application, by integrating the pressing member and the tightening structure on the mounting member to form an integral pressing member tightening integrated mechanism, under the action of the variable pitch drive module and the first driver, the pressing member and the tightening structure can move horizontally and vertically relative to the connecting member along with the mounting member, realizing the follow-up point pressing method in which the pressing member follows the tightening structure. Such a design can, under the movement of the pressing member tightening integrated mechanism, first position the product at a preset position by using the positioning structure, and then press the product with the pressing member, so that the pressing member is pressed near the position where the bolt needs to be tightened, enabling the bolt hole on the product to accurately correspond to the bolt on the tightening head. Immediately afterwards, the second driver drives the tightening structure to move up and down in the vertical direction relative to the mounting member to tighten the bolt on the product. Therefore, the pressing member can follow the tightening structure to move near the position where the bolt needs to be tightened and press near the position where the bolt needs to be tightened, without the need to customize a profiling pressing member according to the shape and size of the product, realizing the simplification of the structure and the compatibility effect, reducing the cost of equipment changeover and reconstruction, and achieving the purpose of fast, efficient, and quick changeover.

[0007] In some embodiments, the pressing member has a front side away from the connecting member, and an inclined surface is provided on the front side of the pressing member. The inclined surface is configured to avoid the tightening structure. With such a design, since the pressing member is designed adjacent to the tightening structure, in order to avoid interference between the tightening head and the pressing member during the process of tightening the bolt, an inclined surface is provided on the front side of the pressing member to effectively avoid the tightening structure through the design of the inclined surface. In addition, by designing the inclined surface to avoid the tightening structure, there is no need to provide an overly large avoidance opening on the front side of the pressing member to avoid the tightening structure, thereby being able to avoid the problem of easy deformation of the pressing member caused by the overly large avoidance opening.

[0008] In some embodiments, the pressing member extends along the direction from approaching the connecting member to departing from the connecting member. With such a design, the pressing area of the pressing member on the product can be increased to improve the pressing stability of the pressing member on the product, thereby improving the accuracy of the tightening head for tightening the bolt.

[0009] In some embodiments, a pressure increasing section is provided at the bottom of the pressing member, and the area of the pressure increasing section gradually increases along the direction from the top to the bottom. With such a design, the pressing area on the product can be further increased through the design of the pressure increasing section to further improve the pressing stability of the pressing member on the product, enabling the tightening head to tighten the bolt on the product more smoothly.

[0010] In some embodiments, the pressure increasing section is an insulating and voltage-resistant member. With such a design, by using an insulating and voltage-resistant member as the pressure increasing section, not only can the pressing member maintain a good shape after repeatedly pressing the product, resulting in a long service life of the pressing member, but also the insulating and voltage-resistant member has a certain elasticity, which can reduce the damage to the product when pressing the product, and in addition, it can avoid potential safety hazards caused by conduction between the pressing member and the product.

[0011] In some embodiments, the positioning structure includes a driving structure, a transmission structure, and a positioning block; the driving structure is disposed on the mounting member; the transmission structure is drivingly connected to the driving structure; the positioning block is connected to the transmission structure, and the driving structure drives the positioning block through the transmission structure to move toward or away from the product, so as to push the product to a preset position. With such a design, before the pressing member presses the product, the driving structure first drives the positioning block to move toward the product through the transmission structure to push the product to the preset position, so that the bolt holes on the product can be accurately aligned with the bolts on the tightening head, so that the bolt holes on the product are located directly below the bolts. In this way, when the tightening head descends, the bolts can be accurately tightened into the bolt holes of the product.

[0012] In some embodiments, an avoidance groove is provided on one side of the positioning block close to the tightening head, and the avoidance groove is used to avoid the tightening head. With such a design, during the process of the positioning block moving toward the product, the positioning block will also move toward the tightening head. Therefore, by designing an avoidance groove on the positioning block, the tightening head can be effectively avoided through the avoidance groove to prevent the positioning block from colliding with the tightening head and causing interference when moving toward the product.

[0013] In some embodiments, an insulating and voltage-resistant member is provided on the positioning surface of the positioning block. With such a design, by providing an insulating and voltage-resistant member on the positioning surface of the positioning block and using the insulating and voltage-resistant member to contact the product, not only can the positioning block maintain a good shape after repeatedly pushing the product, so that the positioning block has a long service life, but also the insulating and voltage-resistant member has a certain elasticity, which can reduce the damage to the product when pushing the product. In addition, it can avoid potential safety hazards caused by conduction between the positioning block and the product.

[0014] In some embodiments, there are at least two pressing members, and the at least two pressing members are respectively disposed on opposite sides of the tightening head. With such a design, by providing pressing members on both opposite sides of the tightening head, before the tightening head tightens the bolts, the at least two pressing members on both sides can be simultaneously pressed against the product, which can improve the pressing balance of the product and prevent warping or deformation when only pressing one side of the bolt hole on the product. Therefore, it can not only improve the pressing stability of the product, but also reduce the damage to the product.

[0015] In some embodiments, the mounting member includes a first mounting member and a second mounting member; the first mounting member is connected to the connecting member, and the tightening structure is disposed on the first mounting member; the second mounting member is connected to the bottom of the first mounting member and is disposed at an angle to the first mounting member; the pressing member is connected to the second mounting member. With such a design, by using the first mounting member and the second mounting member disposed at an angle to respectively mount the tightening structure and the pressing member, it is more convenient to install the tightening structure and the pressing member.

[0016] In some embodiments, the pressing member is connected to the second mounting member through a connecting guide rod; a buffer member is provided between the connecting guide rod and the second mounting member. With such a design, by providing a buffer member between the connecting guide rod and the second mounting member, during the process of the pressing member pressing the product, the buffer member can provide a buffer force to the pressing member through the connecting guide rod, enabling the connecting guide rod to move up and down slightly relative to the second mounting member, and then driving the pressing member to move up and down slightly, thereby reducing the impact force of the pressing member on the product when pressing the product and preventing damage to the product due to excessive pressing force.

[0017] In some embodiments, the second mounting member is provided with a through hole, and the tightening head is inserted through the through hole. With such a design, by directly passing the tightening head through the through hole of the second mounting member and extending it below the second mounting member, not only can a compact structure design be achieved, but also the tightening head can be radially limited by the through hole on the second mounting member to reduce the radial amplitude generated by the tightening head during the process of tightening the bolt, thereby improving the accuracy of bolt tightening.

[0018] In some embodiments, the mounting member further includes a variable-spacing connecting member, which is provided on the connecting member and can move horizontally relative to the connecting member; the first mounting member is provided on the variable-spacing connecting member and can move up and down vertically relative to the first mounting member. With such a design, when it is necessary to adjust the positions of the pressing member and the tightening structure horizontally, the variable-spacing connecting member can be used to drive the pressing member and the tightening structure to move horizontally to move the pressing member and the tightening structure to the position where the product needs to have a bolt tightened, thereby achieving precise position adjustment.

[0019] In some embodiments, the first driver is provided on one side of the first mounting member close to the variable-spacing connecting member and is in transmission connection with the variable-spacing connecting member to drive the first mounting member to move up and down vertically relative to the variable-spacing connecting member; the second driver is provided on the side of the first mounting member away from the variable-spacing connecting member and is in transmission connection with the tightening structure to drive the tightening structure to move up and down vertically. With such a design, under the action of the first driver, the first mounting member, the tightening structure, the second mounting member, and the pressing member can be synchronously driven to move downward vertically, so that the pressing member is pressed against a position near the bolt hole of the product, and the tightening structure is located above the bolt hole of the product. Then, under the action of the second driver, the tightening structure is driven to move downward vertically to tighten the bolt onto the bolt hole of the product through the tightening head. Moreover, by arranging the first driver and the second driver on opposite sides of the first mounting member, a compact structure design can be achieved to improve the utilization rate of space.

[0020] In some embodiments, the first driver is drivingly connected to the pitch-changing connecting member through a first floating joint; and / or, the tightening structure is drivingly connected to the second driver through a second floating joint. With such a design, when the first driver outputs power, the power can be transmitted to the pitch-changing connecting member through the first floating joint. Since the pitch-changing connecting member is connected to the connecting member of the whole machine, the pitch-changing connecting member will not move relative to the connecting member of the whole machine in the vertical direction. Therefore, the first mounting member moves up and down relative to the pitch-changing connecting member in the vertical direction, thereby driving the tightening structure, the second mounting member, and the pressing member to move up and down in the vertical direction. In addition, the design of the first floating joint can play a role in buffering and vibration reduction, so that the stability of the first mounting member during the lifting process is higher. When the second driver outputs power, the power can be transmitted to the tightening structure through the second floating joint to drive the tightening structure to move up and down in the vertical direction. In addition, the design of the second floating joint can play a role in buffering and vibration reduction, so that the stability of the tightening structure during the lifting process is higher.

[0021] In some embodiments, the tightening structure includes a tightening connecting member, a tightening gun, a locator, and a nail feeding cylinder; the tightening connecting member is provided on the mounting member; the tightening gun is provided on the tightening connecting member and is provided with a tightening head; the locator is provided on the tightening connecting member and is configured to obtain the tightening position of the product; the nail feeding cylinder is sleeved on the tightening head and is configured to supply bolts to the tightening head. With such a design, bolts can be conveyed to the nail feeding cylinder by an external automatic nail feeding system, and the nail feeding cylinder can automatically send the bolts to the tightening head one by one, so as to realize the automatic conveyance of the bolts. The design of the locator can take pictures and position the tightening position of the product, so that the pressing position of the pressing member and the bolt tightening position of the tightening head can be accurately controlled.

[0022] In some embodiments, the tightening connecting member is provided with a clamping member, and the clamping member is configured to clamp the tightening gun; the clamping member is provided with a lock, and the lock is configured to fasten the tightening gun. With such a design, when installing the tightening gun, the lock can be opened first, then the tightening gun can be snapped into the clamping member, and finally the lock can be fastened, so that the tightening gun can be fastened on the clamping member to realize the reliable installation of the tightening gun.

[0023] The present application also provides a tightening device, including a transfer mechanism and a tightening mechanism; the tightening mechanism is drivingly connected to the transfer mechanism, and the transfer mechanism drives the tightening mechanism to move.

[0024] The above description is only an overview of the technical solution of the present application. In order to be able to understand the technical means of the present application more clearly, it can be implemented according to the content of the specification. And in order to make the other purposes, features, and advantages of the present application more obvious and understandable, the specific embodiments of the present application are given below. Brief Description of the Drawings

[0025] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the structures shown in these drawings.

[0026] Figure 1 Structural schematic diagram of an embodiment of the tightening mechanism of the present application; Figure 2 Structural schematic diagram of the pressing part tightening integrated mechanism of an embodiment of the tightening mechanism of the present application from one perspective; Figure 3 Structural schematic diagram of the pressing part tightening integrated mechanism of an embodiment of the tightening mechanism of the present application from another perspective; Figure 4 Front view of the pressing part tightening integrated mechanism of an embodiment of the tightening mechanism of the present application; Figure 5 Exploded view of the pressing part tightening integrated mechanism of an embodiment of the tightening mechanism of the present application; Figure 6 Partial structural schematic diagram of the pressing part tightening integrated mechanism of an embodiment of the tightening mechanism of the present application; Figure 7 Partial structural cross-sectional view of the pressing part tightening integrated mechanism of an embodiment of the tightening mechanism of the present application; Figure 8 Structural schematic diagram of an embodiment of the tightening device of the present application; Figure 9 For Figure 8 the left view of Figure 10 For Figure 8 the top view of

[0027] Explanation of the reference numerals in the drawings:

[0028] The realization of the purpose of the present application, functional characteristics and advantages will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0029] The following will describe in detail the embodiments of the technical solutions of the present application with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, so they are only examples and cannot be used to limit the protection scope of the present application.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used herein are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion.

[0031] In the description of the embodiments of this application, technical terms such as "first" and "second" are only used to distinguish different objects and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity, specific order or primary-secondary relationship of the indicated technical features. In the description of the embodiments of this application, the meaning of "a plurality" is more than two, unless otherwise specifically and clearly defined.

[0032] Reference to "an embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0033] In the description of the embodiments of this application, the term "a plurality" refers to more than two (including two). Similarly, "a plurality of groups" refers to more than two groups (including two groups), and "a plurality of pieces" refers to more than two pieces (including two pieces).

[0034] In the description of the embodiments of this application, the orientation or positional relationship indicated by technical terms such as "center", "longitudinal", "transverse", "length", "width and / or height", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of this application and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of this application.

[0035] In the description of the embodiments of this application, unless otherwise clearly specified and limited, technical terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can also be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of this application can be understood according to specific circumstances.

[0036] With the rapid development of the new energy power battery industry, the production process of power batteries has become more advanced and perfect, and various processes have also put forward higher requirements for the production technology of the lithium battery industry. For example, in battery production, it is necessary to lock and attach an upper cover to the housing.

[0037] In the related art, for the attachment of the upper cover, during the process of tightening the bolt, a pressing member is first used to press the upper cover tightly. However, in the related art, the pressing member needs to be customized according to the shape and size of the upper cover, which not only has a complex structure, but also increases the manufacturing time, the time for reconfiguration during model change, and the equipment cost.

[0038] Based on the above problems, the present application proposes a tightening mechanism 100, aiming to provide a tightening mechanism 100 that can be compatible with different products 300, so as to reduce the cost of reconfiguration during model change of the equipment and achieve the purpose of fast, efficient, and quick model change. The following will be described in detail with specific drawings and embodiments.

[0039] Please refer to Figures 1 to 7 , in an embodiment of the present application, the tightening mechanism 100 includes a connecting member 10, a variable pitch driving module 11, and a pressing member tightening integrated mechanism 20; the pressing member tightening integrated mechanism 20 is arranged on the connecting member 10, and the pressing member tightening integrated mechanism 20 includes a mounting member 21, a first driver 24, a second driver 25, a pressing member 22, a tightening structure 23, and a positioning structure 210; the mounting member 21 is arranged on the connecting member 10, and the variable pitch driving module 11 drives the mounting member 21 to move relative to the connecting member 10 in the horizontal direction; the first driver 24 is arranged on the mounting member 21, and the first driver 24 drives the mounting member 21 to move up and down relative to the connecting member 10 in the vertical direction; the second driver 25 is arranged on the mounting member 21; the pressing member 22 is arranged at the bottom of the mounting member 21 and is configured to press the product 300 tightly; the tightening structure 23 is arranged on the mounting member 21, and the second driver 25 drives the tightening structure 23 to move up and down relative to the mounting member 21 in the vertical direction. The tightening mechanism 100 has a rotatable tightening head 2321, and the tightening head 2321 is configured to tighten the bolt 400 on the product 300; the positioning structure 210 is configured to position the product 300 before the pressing member 22 presses the product 300 tightly.

[0040] The connecting member 10 is a structural member for installing and fixing the pressing member tightening integrated mechanism 20, and is also used to install the tightening mechanism 100 as a whole on the transfer mechanism 200 or other mechanical driving devices. The connecting member 10 can be a structural member in the shape of a plate, a strip, a block, etc. Among them, the pressing member tightening integrated mechanism 20 can be installed on the side of the connecting member 10 away from the transfer mechanism 200 or other mechanical driving devices to achieve convenient installation of the structure.

[0041] The pressing part tightening integrated mechanism 20 is an integrated mechanism for integrally mounting the pressing part 22 and the tightening structure 23 on the mounting part 21, enabling the pressing part 22 and the tightening structure 23 to move horizontally and vertically together with the mounting part 21 relative to the connecting part 10, realizing the follow-up point pressing method where the pressing part 22 follows the movement of the tightening structure 23. Specifically, when the pressing part 22 and the tightening structure 23 move horizontally relative to the connecting part 10 together, the positions of the pressing part 22 and the tightening structure 23 can be adjusted. For example, when there are two or more pressing part tightening integrated mechanisms 20 provided on the connecting part 10, during the horizontal movement relative to the connecting part 10, the distance between two adjacent pressing part tightening integrated mechanisms 20 can be adjusted to achieve variable distance compatibility for different tightening positions. Additionally, while the pressing part 22 and the tightening structure 23 move horizontally and vertically relative to the connecting part 10 together, the tightening structure 23 can also move vertically relative to the mounting part 21 and the pressing part 22, enabling the tightening structure 23 to tighten the bolt 400 onto the product 300.

[0042] Among them, the variable distance driving module 11 is a structural component with a power source such as a cylinder or a motor. When outputting the power source, it can drive the mounting part to move horizontally, and further drive the tightening structure 23 and the pressing part 22 to move horizontally.

[0043] Among them, the first driver 24 is also a structural component with a power source such as a cylinder or a motor. When outputting the power source, it can drive the mounting part 21 to move vertically, and further drive the tightening structure 23 and the pressing part 22 to move vertically.

[0044] Among them, the second driver 25 is also a structural component with a power source such as a cylinder or a motor. When outputting the power source, it can drive the tightening structure 23 to move vertically.

[0045] Among them, the pressing part 22 is a structural component for pressing the product 300 before the tightening structure 23 tightens the bolt 400. For example, when the pressing part 22 descends, it can press near the position where the bolt needs to be tightened on the product 300, preventing the product 300 from shifting during the process of the tightening structure 23 tightening the bolt 400, which may affect the tightening effect or even damage the product 300.

[0046] Among them, the tightening structure 23 is a structural component including a tightening gun 232. A tightening head 2321 is provided at the end of the tightening gun 232. The tightening gun 232 can drive the tightening head 2321 to rotate, and the bolt 400 can be tightened onto the product 300 under the rotation of the tightening head 2321.

[0047] Among them, the positioning structure 210 is a structural member for positioning the product 300 to position the product 300 at a preset position. The positioning structure 210 can position the product 300 at the preset position by means of pushing, clamping, etc.

[0048] In summary, in the technical solution of the embodiment of the present application, by integrating the pressing member 22 and the tightening structure 23 on the mounting member 21 to form an integral pressing member tightening integrated mechanism 20, under the action of the variable pitch drive module 11 and the first driver 24, the pressing member 22 and the tightening structure 23 can move horizontally and vertically relative to the connecting member 10 together with the mounting member 21, and the pressing member 22 follows the tightening structure 23 to move in a follow-up point pressing manner. Such a design can, under the movement of the pressing member tightening integrated mechanism 20, first use the positioning structure 210 to position the product 300 at the preset position, and then use the pressing member 22 to press the product 300, so that the pressing member 22 is pressed near the position where the bolt needs to be tightened, so that the bolt hole on the product 300 can be accurately aligned with the bolt 400 on the tightening head 2321. Immediately afterwards, the second driver drives the tightening structure 23 to move up and down in the vertical direction relative to the mounting member 21 to tighten the bolt 400 on the product 300. Therefore, the pressing member 22 can follow the tightening structure 23 to move to near the position where the bolt needs to be tightened and press near the position where the bolt needs to be tightened, without customizing a profiling pressing member 22 according to the shape and size of the product 300, realizing the simplification of the structure and the compatibility effect, reducing the cost of equipment conversion and reconstruction, and achieving the purpose of rapid, efficient, and quick conversion.

[0049] Please refer to Figure 2 、 Figure 3 In an embodiment of the present application, the pressing member 22 has a front side away from the connecting member 10, and an inclined surface 221 is provided on the front side of the pressing member 22. The inclined surface 221 is configured to avoid the tightening structure 23.

[0050] The inclined surface 221 refers to the surface formed by the front side of the pressing member 22 being inclined backward. Specifically, the pressing member 22 can be machined to form the inclined surface 221, or the inclined surface 221 can be directly formed in the mold during preparation.

[0051] With such a design, since the pressing member 22 is designed adjacent to the tightening structure 23, in order to avoid interference between the tightening bolt 400 of the tightening head 2321 and the pressing member 22 during the tightening process, an inclined surface 221 is provided on the front side of the pressing member 22 to effectively avoid the tightening structure 23 through the design of the inclined surface 221. In addition, by designing the inclined surface 221 to avoid the tightening structure 23, there is no need to provide an overly large avoidance opening on the front side of the pressing member 22 to avoid the tightening structure 23, thereby avoiding the problem of deformation of the pressing member 22 that is likely to occur due to the overly large avoidance opening.

[0052] Please refer to Figure 2 and Figure 3 In an embodiment of the present application, the pressing member 22 extends along a direction from near the connecting member 10 to far from the connecting member 10.

[0053] The pressing member 22 extending along a direction from near the connecting member 10 to far from the connecting member 10 means that the pressing member 22 extends along the front-back direction, so that the width of the pressing member 22 in the front-back direction is greater than the width of the tightening head 2321 in the front-back direction.

[0054] With such a design, the pressing area of the pressing member 22 on the product 300 can be increased to improve the pressing stability of the pressing member 22 on the product 300, thereby improving the accuracy of the tightening head 2321 for tightening the bolt 400.

[0055] Please refer to Figure 2 and Figure 3 In an embodiment of the present application, a pressure increasing section 222 is provided at the bottom of the pressing member 22, and the area of the pressure increasing section 222 gradually increases along the direction from the top to the bottom.

[0056] The pressure increasing section 222 refers to a structural member that can increase the pressing area on the product 300. The area of the pressure increasing section 222 gradually increasing along the direction from the top to the bottom means that the outer periphery of the pressure increasing section 222 is designed as a slope that gradually increases downward.

[0057] With such a design, the pressing area on the product 300 can be further increased through the design of the pressure increasing section 222 to further improve the pressing stability of the pressing member 22 on the product 300, so that the tightening head 2321 can tighten the bolt 400 on the product 300 more smoothly.

[0058] Please refer to Figure 2 and Figure 3 In an embodiment of the present application, the pressure increasing section 222 is an insulating and voltage-resistant member 2032.

[0059] The insulating and voltage-resistant member 2032 refers to a structural member prepared from insulating and voltage-resistant materials, having the functions of insulation and strong voltage resistance. The insulating and voltage-resistant materials can specifically be natural rubber, styrene-butadiene rubber, butyl rubber, fluororubber, ceramic fiber, quartz fiber, and so on.

[0060] With such a design, by using the insulating and voltage-resistant member 2032 as the design of the pressure increasing section 222, not only can the pressing member 22 still maintain a good shape after repeatedly pressing the product 300, so that the service life of the pressing member 22 is long, but also the insulating and voltage-resistant member 2032 has a certain elasticity, which can reduce the damage to the product 300 when pressing the product 300. In addition, it can avoid potential safety hazards caused by conduction between the pressing member 22 and the product 300.

[0061] Please refer toFigures 5 to 7 In an embodiment of the present application, the positioning structure 210 includes a driving structure 201, a transmission structure 202, and a positioning block 203. The driving structure 201 is disposed on the mounting member 21. The transmission structure 202 is drivingly connected to the driving structure 201. The positioning block 203 is connected to the transmission structure 202. The driving structure 201 drives the positioning block 203 through the transmission structure 202 to move towards or away from the product 300, so as to push the product 300 to a preset position.

[0062] The driving structure 201 is a structural member having a power source such as a cylinder or a motor, and can drive the positioning block 203 to move through the transmission structure 202 when outputting a power source.

[0063] The transmission structure 202 is a structural member for drivingly connecting the positioning block 203 and the driving structure 201, and can transmit the power source output by the driving structure 201 to the positioning block 203 to drive the positioning block 203 to move. The transmission structure 202 can be a structure in which a gear 2021 and a rack 2022 cooperate, or a structure in which a gear 2021 and a belt cooperate, or a structure in which a lead screw and a nut cooperate. In some embodiments, the transmission structure 202 may include a gear 2021 and a rack 2022. The gear 2021 is sleeved on the output shaft of the driving structure 201. The rack 2022 meshes with the gear 2021. The positioning block 203 is connected to the rack 2022. When the driving structure 201 drives the gear 2021 to rotate, the gear 2021 drives the rack 2022 to move, and the positioning block 203 can move along with the rack 2022. The positioning block 203 pushes the product 300 to push the product 300 to a preset position.

[0064] The positioning block 203 is a structural member for contacting the product 300, and can push the product 300 to a preset position under the movement of the positioning block 203.

[0065] With such a design, before the pressing member 22 presses the product 300, the driving structure 201 first drives the positioning block 203 to move towards the product 300 through the transmission structure 202 to push the product 300 to a preset position, so that the bolt hole on the product 300 can be accurately aligned with the bolt 400 on the tightening head 2321, so that the bolt hole on the product 300 is located directly below the bolt 400. In this way, when the tightening head 2321 descends, the bolt 400 can be accurately tightened on the bolt hole of the product 300.

[0066] Please refer to Figures 5 to 7 In an embodiment of the present application, an avoidance groove 2031 is provided on one side of the positioning block 203 close to the tightening head 2321, and the avoidance groove 2031 is used to avoid the tightening head 2321.

[0067] The design of the avoidance groove 2031 enables the positioning block 203 to form a U-shaped structural member, so that the positioning block 203 can fully avoid the tightening head 2321.

[0068] With such a design, during the movement of the positioning block 203 towards the product 300, the positioning block 203 will also move towards the tightening head 2321. Therefore, by designing the avoidance groove 2031 on the positioning block 203, the tightening head 2321 can be effectively avoided through the avoidance groove 2031, so as to prevent the positioning block 203 from colliding with the tightening head 2321 and causing interference when moving towards the product 300.

[0069] Please refer to Figures 5 to 7 , in an embodiment of the present application, an insulation and voltage withstand member 2032 is provided on the positioning surface of the positioning block 203.

[0070] The insulation and voltage withstand member 2032 refers to a structural member prepared from insulation and voltage withstand materials, having the functions of insulation and strong voltage withstand effect. The insulation and voltage withstand materials can specifically be natural rubber, styrene-butadiene rubber, butyl rubber, fluororubber, ceramic fiber, quartz fiber, etc.

[0071] With such a design, by providing the insulation and voltage withstand member 2032 on the positioning surface of the positioning block 203 and using the insulation and voltage withstand member 2032 to contact the product 300, not only can the positioning block 203 maintain a good shape after repeatedly pushing the product 300, making the positioning block 203 have a long service life, but also the insulation and voltage withstand member 2032 has a certain elasticity, which can reduce the damage to the product 300 when pushing the product 300. In addition, it can also prevent the positioning block 203 from conducting electricity with the product 300 and causing safety hazards.

[0072] Please refer to Figures 1 to 7 , in an embodiment of the present application, there are at least two pressing members 22, and the at least two pressing members 22 are respectively arranged on opposite sides of the tightening head 2321.

[0073] With such a design, by providing the pressing members 22 on both opposite sides of the tightening head 2321, before the tightening head 2321 tightens the bolt 400, the at least two pressing members 22 on both sides can be simultaneously pressed against the product 300, which can improve the pressing balance of the product 300 and prevent the phenomenon of warping or deformation when only pressing one side of the bolt hole on the product 300. Therefore, it can not only improve the pressing stability of the product 300, but also reduce the damage to the product 300.

[0074] Please refer to Figure 5, in an embodiment of the present application, the mounting member 21 includes a first mounting member 211 and a second mounting member 212; the first mounting member 211 is connected to the connecting member 10, and the tightening structure 23 is provided on the first mounting member 211; the second mounting member 212 is connected to the bottom of the first mounting member 211 and is arranged at an angle with the first mounting member 211; the pressing member 22 is connected to the second mounting member 212.

[0075] The first mounting member 211 is a structural member for mounting the tightening structure 23 and is connected to the connecting member 10. At the same time, the first mounting member 211 can move horizontally and vertically relative to the connecting member 10, thereby driving the tightening structure 23, the second mounting member 212, and the pressing member 22 connected to the second mounting member 212 to move horizontally and vertically together. The first mounting member 211 can be a structural member in the shape of a plate, a strip, a block, etc.

[0076] The second mounting member 212 is a structural member for mounting the pressing member 22 and is connected to the first mounting member 211. The second mounting member 212 and the first mounting member 211 can be integrally formed structural members, or can be structural members connected together by means of screws, snap connections, etc. The pressing member 22 and the second mounting member 212 can also be integrally formed structural members, or can be structural members connected together by means of screws, snap connections, connecting guide rods 224, etc. The second mounting member 212 can be a structural member in the shape of a plate, a strip, a block, etc.

[0077] With such a design, by using the first mounting member 211 and the second mounting member 212 arranged at an angle to respectively mount the tightening structure 23 and the pressing member 22, it is more convenient to realize the installation of the tightening structure 23 and the pressing member 22.

[0078] Please refer to Figure 5 , in an embodiment of the present application, the pressing member 22 is connected to the second mounting member 212 through a connecting guide rod 224; a buffer member 225 is provided between the connecting guide rod 224 and the second mounting member 212.

[0079] The connecting guide rod 224 is a structural member for connecting the pressing member 22 to the second mounting member 212. The connecting guide rod 224 can be inserted into the mounting hole of the second mounting member 212, so that the connecting guide rod 224 can move up and down in the mounting hole relative to the second mounting member 212.

[0080] The buffer member 225 is a structural member for providing a buffering effect. The buffer member 225 can specifically be a structural member with a buffering effect such as a spring, a spring sheet, silica gel, rubber, etc.

[0081] With such a design, by providing a buffer member 225 between the connecting rod 224 and the second mounting member 212, during the process of the pressing member 22 pressing the product 300, the buffer member 225 can provide a buffer force to the pressing member 22 through the connecting rod 224, enabling the connecting rod 224 to move up and down slightly relative to the second mounting member 212, and then driving the pressing member 22 to move up and down slightly, thereby reducing the impact force of the pressing member 22 on the product 300 when pressing the product 300 and preventing damage to the product 300 due to excessive pressing force.

[0082] Please refer to Figure 5 , in an embodiment of the present application, the second mounting member 212 is provided with a through hole 2121, and the tightening head 2321 is inserted through the through hole 2121.

[0083] With such a design, by directly passing the tightening head 2321 through the through hole 2121 of the second mounting member 212 and extending it below the second mounting member 212, not only can the compact design of the structure be achieved, but also the tightening head 2321 can be radially limited by the through hole 2121 on the second mounting member 212 to reduce the radial amplitude generated by the tightening head 2321 during the process of tightening the bolt 400, thereby improving the accuracy of tightening the bolt 400.

[0084] Please refer to Figure 5 , in an embodiment of the present application, the mounting member 21 further includes a variable pitch connecting member 213. The variable pitch connecting member 213 is provided on the connecting member 10 and can move horizontally relative to the connecting member 10; the first mounting member 211 is provided on the variable pitch connecting member 213 and can move up and down vertically relative to the first mounting member 211.

[0085] The variable pitch connecting member 213 is a structural member for simultaneously mounting the first mounting member 211, the tightening structure 23, the second mounting member 212, and the pressing member 22 on the connecting member 10. When the variable pitch connecting member 213 moves horizontally relative to the connecting member 10, it can simultaneously drive the first mounting member 211, the tightening structure 23, the second mounting member 212, and the pressing member 22 to move horizontally. The variable pitch connecting member 213 can be a structural member in the shape of a plate, a strip, a block, etc.

[0086] With such a design, when it is necessary to adjust the positions of the pressing member 22 and the tightening structure 23 in the horizontal direction, the variable pitch connecting member 213 can be used to drive the pressing member 22 and the tightening structure 23 to move horizontally, so as to move the pressing member 22 and the tightening structure 23 to the position where the bolt 400 of the product 300 needs to be tightened, thereby achieving precise adjustment of the position.

[0087] In some embodiments, the tightening mechanism 100 may include at least two pressure piece tightening integrated mechanisms 20, and at least two pressure piece tightening integrated mechanisms 20 are spaced apart along the length direction of the connector 10. The pressure piece tightening integrated mechanism 20 can move horizontally relative to the connector 10 along the length direction of the connector 10. In this way, when the variable distance connector 213 moves, the spacing between two adjacent pressure piece tightening integrated mechanisms 20 can be adjusted to achieve variable distance compatibility of different tightening positions.

[0088] In some embodiments, the connector 10 may be provided with a first guide rail 12, a first slider 13, and a guide rail pad 14. The guide rail pad 14 is connected to the side of the connector 10 near the variable-pitch connector 213. The first guide rail 12 is mounted on the guide rail pad 14 and extends along the length of the connector 10. The first slider 13 slidably engages with the first guide rail 12, and the variable-pitch connector 213 is connected to the first slider 13. In this way, under the action of the variable-pitch drive module 11, the first slider 13 can be driven to move horizontally along the first guide rail 12, thereby driving the variable-pitch connector 213 to move horizontally.

[0089] See also Figure 5 In one embodiment of the present application, the first driver 24 is arranged on a side of the first mounting member 211 close to the variable distance connection member 213, and is transmission-connected to the variable distance connection member 213 to drive the first mounting member 211 to rise and fall in the vertical direction relative to the variable distance connection member 213; the second driver 25 is arranged on a side of the first mounting member 211 away from the variable distance connection member 213, and is transmission-connected to the tightening structure 23 to drive the tightening structure 23 to rise and fall in the vertical direction.

[0090] The first driver 24 is a structural component having a power source such as a cylinder or a motor. When the power source is output, it can drive the first mounting member 211 to rise and fall in the vertical direction, thereby driving the tightening structure 23, the second mounting member 212, and the pressing member 22 to rise and fall in the vertical direction. In some embodiments, a second guide rail 281 and a second slider 282 can be provided on the side of the variable-pitch connector 213 near the first mounting member 211. The second guide rail 281 extends in the vertical direction, and the second slider 282 slidably engages with the second guide rail 281. The first mounting member 211 is connected to the second slider 282. In this way, the cooperation of the second guide rail 281 and the second slider 282 can improve the stability of the first mounting member 211 during the lifting process.

[0091] The second driver 25 is also a structural component with a power source such as a cylinder or a motor, capable of driving the tightening structure 23 to rise and fall in the vertical direction when the power source is output. In some embodiments, a third guide rail 291 and a third slider 292 can be provided on the side of the first mounting member 211 away from the variable-pitch connector 213. The third guide rail 291 extends in the vertical direction, and the third slider 292 slidably engages with the third guide rail 291. The tightening structure 23 is connected to the third slider 292. This can improve the stability of the tightening structure 23 during the lifting process through the cooperation of the third guide rail 291 and the third slider 292.

[0092] This design allows the first driver 24 to simultaneously drive the first mounting member 211, tightening structure 23, second mounting member 212, and pressure member 22 downward in the vertical direction, causing the pressure member 22 to press against a position near the bolt hole of the product 300 and positioning the tightening structure 23 above the bolt hole of the product 300. The second driver 25 then drives the tightening structure 23 downward in the vertical direction, tightening the bolt 400 into the bolt hole of the product 300 via the tightening head 2321. Furthermore, by locating the first driver 24 and second driver 25 on opposite sides of the first mounting member 211, a compact design is achieved, improving space utilization.

[0093] See also Figure 5 In one embodiment of the present application, the first driver 24 is connected to the variable distance connection member 213 via a first floating joint 26; and / or the tightening structure 23 is connected to the second driver 25 via a second floating joint 27.

[0094] The first floating joint 26 connects the first actuator 24 to the variable-pitch connector 213, providing a buffering and vibration-reducing function, thereby improving the dynamic performance of the first actuator 24 during power output. The second floating joint 27 connects the second actuator 25 to the tightening structure 23, similarly providing a buffering and vibration-reducing function, thereby improving the dynamic performance of the second actuator 25 during power output.

[0095] In such a design, when the first driver 24 outputs power, the power can be transmitted to the pitch-changing connecting member 213 through the first floating joint 26. Since the pitch-changing connecting member 213 is connected to the connecting member 10 of the whole machine, the pitch-changing connecting member 213 will not move relative to the connecting member 10 of the whole machine in the vertical direction. Therefore, the first mounting member 211 moves up and down relative to the pitch-changing connecting member 213 in the vertical direction, thereby driving the tightening structure 23, the second mounting member 212, and the pressing member 22 to move up and down in the vertical direction. In addition, the design of the first floating joint 26 can play a role in buffering and vibration reduction, so that the first mounting member 211 has higher stability during the lifting process. When the second driver 25 outputs power, the power can be transmitted to the tightening structure 23 through the second floating joint 27 to drive the tightening structure 23 to move up and down in the vertical direction. In addition, the design of the second floating joint 27 can play a role in buffering and vibration reduction, so that the tightening structure 23 has higher stability during the lifting process.

[0096] Please refer to Figure 5 , in an embodiment of the present application, the tightening structure 23 includes a tightening connecting member 231, a tightening gun 232, a locator 233, and a nail feeding cylinder 234; the tightening connecting member 231 is provided on the mounting member 21; the tightening gun 232 is provided on the tightening connecting member 231 and is provided with a tightening head 2321; the locator 233 is provided on the tightening connecting member 231 and is configured to obtain the tightening position of the product 300; the nail feeding cylinder 234 is sleeved on the tightening head 2321 and is configured to provide bolts 400 to the tightening head 2321.

[0097] The tightening connecting member 231 is a structural member for integrally mounting the tightening structure 23 on the mounting member 21, and the tightening connecting member 231 can be a structural member in the shape of a plate, a strip, a block, etc.

[0098] The tightening gun 232 is a structural member for outputting tightening power, and is used to provide power for the rotation of the tightening head 2321, so as to drive the bolt 400 to be tightened on the bolt hole of the product 300 under the rotation of the tightening head 2321.

[0099] The locator 233 is used to detect the position of the bolt hole of the product 300, and can transmit a signal to the control end to control the pressing and tightening integrated mechanism 20 to move to the corresponding position through the control end. The locator 233 can be a CCD camera.

[0100] The nail feeding cylinder 234 is a structural member for providing bolts 400, and can provide bolts 400 to the position of the tightening head 2321 one by one. The nail feeding cylinder 234 is fixedly installed below the second mounting member 212, and the tightening head 2321 can be inserted into the nail feeding cylinder 234.

[0101] This design allows the bolts 400 to be delivered to the nail feeding cylinder 234 by an external automatic nail feeding system, and then the bolts 400 are automatically fed one by one to the tightening head 2321 by the nail feeding cylinder 234, thereby realizing automatic delivery of the bolts 400. The design of the positioner 233 can take a picture and locate the tightening position of the product 300, thereby accurately controlling the pressing position of the pressure piece 22 and the bolt tightening position of the tightening head 2321.

[0102] See also Figure 5 In one embodiment of the present application, the tightening connector 231 is provided with a clamping member 2311, and the clamping member 2311 is configured to clamp the tightening gun 232; the clamping member 2311 is provided with a lock 2312, and the lock 2312 is configured to lock the tightening gun 232.

[0103] The clamping member 2311 is a structural member for fixing the tightening gun 232 in a clamping manner. It can be a claw or two clamping blocks that are close to or far away from each other. The lock buckle 2312 is a structural member for locking the tightening gun 232 on the clamping member 2311.

[0104] With this design, when installing the tightening gun 232, the lock 2312 can be opened first, and then the tightening gun 232 can be clamped into the clamp 2311. Finally, the lock 2312 can be fastened to fasten the tightening gun 232 to the clamp 2311, thereby achieving reliable installation of the tightening gun 232.

[0105] See also Figures 8 to 10 This application also proposes a tightening device 1000, which includes a transfer mechanism 200 and a tightening mechanism 100. The specific structure of the tightening mechanism 100 is similar to the above-mentioned embodiments. Since the tightening device 1000 adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above-mentioned embodiments, which will not be described in detail here. Among them, the tightening mechanism 100 is driven by the transfer mechanism 200, and the transfer mechanism 200 drives the tightening mechanism 100 to move.

[0106] It is understood that the transfer mechanism 200 can smoothly drive the tightening mechanism 100 to move as a whole, so that the tightening mechanism 100 can be accurately moved above the position where the bolts need to be tightened on the product 300. The transfer mechanism 200 can be a robot or a transfer mechanism 200 composed of multiple linear modules.

[0107] According to some embodiments of this application, please refer to Figures 1 to 10 The tightening device 1000 provided in this application can be used to tighten the bolt 400 in the following manner: First, the bolt 400 is sent into the nail feeding cylinder 234 through an external nail feeding system; the handling equipment transports the box body and the upper cover to the working station for screwing the bolt 400; the transfer mechanism 200 drives the tightening mechanism 100 to move, so as to take a photo and position the tightening position of the upper cover through the positioner 233 in the tightening mechanism 100; the transfer mechanism 200 drives the tightening mechanism 100 to move above the tightening position of the upper cover again; the variable pitch drive module 11 on the connecting piece 10 works to adjust the distance between the two sets of pressing piece tightening integrated mechanisms 20 on the tightening mechanism 100, so that the two sets of pressing piece tightening integrated mechanisms 20 are respectively located above the two tightening positions of the upper cover; immediately afterwards, the drive structure 201 of the positioning structure 210 works to drive the gear 2021 to rotate. Under the rotation of the gear 2021, the rack 2022 is driven to move forward, and then the positioning block 203 is driven to move forward through the rack 2022, so that the positioning block 203 moves towards the side surface of the upper cover to push the upper cover to the preset position, so that the bolt hole on the upper cover can be accurately aligned with the bolt 400 on the tightening head 2321, so that the bolt hole on the upper cover is directly below the bolt 400; immediately afterwards, the first driver 24 works to synchronously drive the first mounting member 211, the tightening structure 23, the second mounting member 212 and the pressing piece 22 to descend in the vertical direction, so that the pressing piece 22 is pressed against the position near the bolt hole; immediately afterwards, the second driver 25 works to drive the tightening structure 23 to descend in the vertical direction, and at the same time the tightening gun 232 drives the tightening head 2321 to rotate, so that the bolt 400 can be tightened on the bolt hole through the tightening head 2321. The transfer mechanism 200 works again to complete the locking of the remaining bolts 400, and the assembly of the upper cover and the box body can be realized.

[0108] The above are only exemplary embodiments of the present application, and do not limit the patent scope of the present application. Any equivalent structural transformation made by using the content of the specification and drawings of the present application under the technical concept of the present application, or direct / indirect application in other related technical fields, is included in the patent protection scope of the present application.

Claims

1. A tightening mechanism, characterized in that, Comprising: A connecting piece; A pitch-changing driving module, provided on the connecting piece; A pressing part tightening integrated mechanism, provided on the connecting piece, and the pressing part tightening integrated mechanism includes: A mounting part, the mounting part is provided on the connecting piece, and the pitch-changing driving module drives the mounting part to move relative to the connecting piece in the horizontal direction; A first driver, provided on the mounting part, and the first driver drives the mounting part to move up and down relative to the connecting piece in the vertical direction; A second driver, provided on the mounting part; A pressing part, the pressing part is provided at the bottom of the mounting part and is configured to press the product; A tightening structure, the tightening structure is provided on the mounting part, the second driver drives the tightening structure to move up and down relative to the mounting part in the vertical direction, and the tightening mechanism has a rotatable tightening head, and the tightening head is configured to tighten a bolt on the product; A positioning structure, the positioning structure is configured to position the product before the pressing part presses the product.

2. The tightening mechanism according to claim 1, characterized in that, The pressing part has a front side away from the connecting piece, and an inclined surface is provided on the front side of the pressing part, and the inclined surface is arranged to avoid the tightening structure.

3. The tightening mechanism according to claim 2, characterized in that The pressing part extends along the direction from approaching the connecting piece to departing from the connecting piece.

4. The tightening mechanism according to any one of claims 1 to 3, characterized in that, A boosting section is provided at the bottom of the pressing part, and the area of the boosting section gradually increases along the direction from the top to the bottom.

5. The tightening mechanism according to claim 4, characterized in that, The boosting section is an insulating and voltage-resistant part.

6. The tightening mechanism according to any one of claims 1 to 3, characterized in that, The positioning structure includes: A driving structure, the driving structure is provided on the mounting part; A transmission structure, the transmission structure is in transmission connection with the driving structure; A positioning block, the positioning block is connected to the transmission structure, and the driving structure drives the positioning block through the transmission structure to move towards or away from the product, and is used to push the product to a preset position.

7. The tightening mechanism according to claim 6, wherein An avoidance groove is provided on one side of the positioning block close to the tightening head, and the avoidance groove is used to avoid the tightening head; And / or, an insulating and voltage-resistant part is provided on the positioning surface of the positioning block.

8. The tightening mechanism according to any one of claims 1 to 3, characterized in that, At least two pressing parts are provided, and at least two pressing parts are respectively arranged on opposite sides of the tightening head.

9. The tightening mechanism according to any one of claims 1 to 3, characterized in that, The mounting part includes: A first mounting part, the first mounting part is connected to the connecting piece, and the tightening structure is provided on the first mounting part; A second mounting part, the second mounting part is connected to the bottom of the first mounting part and is arranged at an angle with the first mounting part; the pressing part is connected to the second mounting part.

10. The tightening mechanism according to claim 9, characterized in that, The pressing part is connected to the second mounting part through a connecting guide rod; a buffer part is provided between the connecting guide rod and the second mounting part.

11. The tightening mechanism according to claim 9, characterized in that, A through hole is provided on the second mounting part, and the tightening head passes through the through hole.

12. The tightening mechanism according to claim 9, wherein, The mounting part further includes a pitch-changing connecting piece, the pitch-changing connecting piece is provided on the connecting piece and can move relative to the connecting piece in the horizontal direction; the first mounting part is provided on the pitch-changing connecting piece and can move up and down relative to the first mounting part in the vertical direction.

13. The tightening mechanism according to claim 12, characterized in that, The first driver is provided on one side of the first mounting part close to the pitch-changing connecting piece and is in transmission connection with the pitch-changing connecting piece to drive the first mounting part to move up and down relative to the pitch-changing connecting piece in the vertical direction; The second driver is arranged on a side of the first mounting member away from the pitch-changing connecting member and is in driving connection with the tightening structure to drive the tightening structure to move up and down in the vertical direction.

14. The tightening mechanism according to claim 13, characterized in that, The first driver is in driving connection with the pitch-changing connecting member through a first floating joint; and / or, the tightening structure is in driving connection with the second driver through a second floating joint.

15. The tightening mechanism according to any one of claims 1 to 3, characterized in that, The tightening structure includes: a tightening connecting member, which is arranged on the mounting member; a tightening gun, which is arranged on the tightening connecting member and is provided with the tightening head; a locator, which is arranged on the tightening connecting member and is configured to obtain the tightening position of the product; a nail feeding cylinder, which is sleeved on the tightening head and is configured to supply bolts to the tightening head.

16. The tightening mechanism according to claim 15, characterized in that, The tightening connecting member is provided with a clamping member, which is configured to clamp the tightening gun; The clamping member is provided with a lock, which is configured to fasten the tightening gun.

17. A tightening device, characterized in that, including: a transfer mechanism; the tightening mechanism according to any one of claims 1 to 16, the tightening mechanism is in driving connection with the transfer mechanism, and the transfer mechanism drives the tightening mechanism to move.

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