Universal joint locking surface multi-shaft screw locking machine

By designing a multi-axis screw fastening machine with universal joint locking face, it is possible to tighten multiple screws simultaneously and automatically feed them, solving the problem of low working efficiency of traditional screw machines and improving production efficiency and automation level.

CN223833908UActive Publication Date: 2026-01-27DONGGUAN MUYUAN AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202520441872.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-27
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Traditional screw fasteners can only fasten single screws, resulting in low work efficiency and difficulty in meeting the needs of fastening multiple screws, especially when multiple screws are required for the same product, leading to long turnaround times.

Method used

A multi-axis screw fastening machine with universal joint face locking was designed. It adopts multiple locking motor components and bit mounting tubes, combined with universal joint components and guide mounting plates, to achieve simultaneous tightening of multiple screws. Automatic feeding is achieved through a screw feeder and a feeding air pipe interface. A lifting cylinder and a limit ring are introduced to ensure accuracy and stability.

Benefits of technology

It enables the simultaneous fastening of multiple screws, improving work efficiency, reducing production cycle, adapting to screw holes in different positions, reducing labor costs, and enhancing the automation level of the production line and the versatility of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223833908U_ABST
Patent Text Reader

Abstract

The utility model discloses a universal joint lock surface multi-shaft screw locking machine which comprises a base, a screw feeder is arranged on one side of the base, a vertical screw locking machine frame is fixedly arranged on the base, a lifting installation plate is fixedly connected to the top of the screw locking machine frame, a lifting air cylinder is fixedly arranged on the upper end face of the lifting installation plate, and the lifting air cylinder is fixedly connected with the screw locking machine frame. A vertical locking guide column is fixedly connected to the lifting mounting plate, a locking mounting plate and a guide mounting plate are sequentially and slidably connected to the outer surface of the locking guide column from top to bottom in a sleeving mode, a lifting connecting rod is fixedly connected to a working shaft of the lifting air cylinder, and a plurality of locking motor parts are fixedly arranged on the upper end face of the locking mounting plate; by arranging a plurality of locking motor pieces and corresponding bit mounting pipes and bit pieces, a plurality of screws can be tightened at the same time, the working efficiency is greatly improved, the production period is shortened, and the design of universal joint pieces is introduced, so that the bit pieces can freely adjust the angle within a certain range to adapt to screw holes in different positions.
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Description

Technical Field

[0001] This utility model relates to the field of screw fastening machine technology, specifically a multi-axis screw fastening machine for universal joint fastening surfaces. Background Technology

[0002] As described in the published patent CN210908899U, "A Multi-Axis Screw Machine," a screw machine is a small, automated machine for fastening screws. Its operating structure generally consists of two parts: a feeding section and an electric screwdriver section. The feeding section is responsible for screening and supplying screws, while the electric screwdriver section is responsible for picking up and fastening the screws. Screw machines improve work efficiency and reduce manual labor intensity. A screw machine consists of a feeding system and a locking system. The feeding section, also known as a screw arranging machine or screw feeder, is a relatively simple small automated device that arranges screws in a row to improve work efficiency and is widely used in the electronics industry. One machine can handle screws of various specifications.

[0003] Traditional screw fasteners use X / Y axis movement coordinates to fasten a single screw multiple times, and each product can only fasten screws of the same specification. For the same product that requires fastening multiple screws, this is cumbersome and has a long completion cycle.

[0004] In summary, in the existing technology, traditional screw fasteners can only fasten single screws, resulting in low work efficiency. Utility Model Content

[0005] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution that can solve the above problems by providing a multi-axis screw fastening machine for universal joint locking surfaces.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A universal joint locking face multi-axis screw fastening machine includes a base, a screw feeder is provided on one side of the base, and a vertical screw fastening machine frame is fixed on the base;

[0008] A lifting mounting plate is fixedly connected to the top of the screw fastening frame. A lifting cylinder is fixedly mounted on the upper end face of the lifting mounting plate. A vertical locking guide post is fixedly connected to the lifting mounting plate. The outer surface of the locking guide post is slidably fitted with the locking mounting plate and the guide mounting plate from top to bottom. A lifting connecting rod is fixedly connected to the working shaft of the lifting cylinder. The lifting connecting rod is fixedly connected to the locking mounting plate. The guide mounting plate is slidably fitted on the lifting connecting rod. A support ring for supporting the guide mounting plate is fixedly mounted at the lower end of the lifting connecting rod. A limiting ring that abuts against the lower end face of the guide mounting plate is fixedly mounted on the locking guide post.

[0009] Multiple locking motor components are fixed on the upper end face of the locking mounting plate. A guide groove is opened on the guide mounting plate. Multiple plane adjustment components are provided on the upper end face of the guide mounting plate. Each of the multiple plane adjustment components is fixed with a bit mounting tube extending downward from the guide groove. Each of the multiple bit mounting tubes is slidably sleeved with a bit. Each of the multiple bit mounting tubes has a screw guide fixed at its lower end opening for screwing screws with the bit. Each of the multiple screw guides has a connected air supply pipe interface. Each of the multiple air supply pipe interfaces is connected to the screw feeder through an air pipe.

[0010] The upper ends of multiple screwdriver bits are fixedly connected to universal joints, and the upper ends of multiple universal joints are fixedly connected to the working shafts of multiple locking motor components. The base is fixedly provided with positioning components that cooperate with screws on the screwdriver bits for product fixation and positioning.

[0011] As a further embodiment of this utility model: a stop ring is also fixed on the lifting connecting rod to limit the upper surface of the guide mounting plate, and a working stroke for guiding the mounting plate to slide is preset between the stop ring and the support ring.

[0012] As a further embodiment of this utility model: the planar adjustment component includes a longitudinal mounting groove formed on the guide mounting plate, a transversely arranged guide mounting rod mounted on the guide mounting plate, a transverse mounting groove formed on the guide mounting rod, the longitudinal mounting groove and the transverse mounting groove being locked together by bolts, and a through bit tube mounting groove formed on the guide mounting rod, the bit tube being fixed in the bit tube mounting groove.

[0013] As a further embodiment of this utility model: the guide mounting rod is provided with an L-shaped adjustment groove that passes through and communicates with the bit tube mounting groove. The L-shaped adjustment groove includes a transverse connecting groove that communicates with the bit tube mounting groove and a longitudinal connecting groove that communicates with the side wall of the guide mounting rod. The side wall of the guide mounting rod is provided with a bolt locking hole that passes through the transverse connecting groove.

[0014] As a further embodiment of this utility model: the longitudinal mounting groove includes a left mounting groove and a right mounting groove respectively located on the left and right sides of the guide groove, and at least two guide mounting rods are installed on the left mounting groove and the right mounting groove respectively.

[0015] As a further embodiment of this utility model: the positioning component includes a positioning base plate fixed on the base, a positioning hole for product positioning is formed on the positioning base plate, a first positioning groove and a second positioning groove are formed on the inner bottom surface of the positioning hole, a first positioning post is fixed on the inner bottom surface of the first positioning groove and the second positioning groove respectively, a lifting clamping component fixed on the base is provided on one side of the positioning base plate, a limiting block fixed on the positioning base is provided on one side of the positioning hole, and a plurality of second positioning posts are fixed on the positioning base on the other side of the positioning hole, the plurality of second positioning posts are arranged linearly in the transverse direction.

[0016] As a further embodiment of this utility model: a first limiting groove with an opening is provided on the side of the limiting block near the positioning hole, a second connecting groove is provided at the connection between the inner wall of the first limiting groove and the upper end face of the limiting block, a third limiting groove and a fourth limiting groove are respectively opened on both sides of the first limiting groove, and a first limiting post is installed on the inner ground of the fourth limiting groove.

[0017] As a further embodiment of this utility model: the lifting clamping assembly includes a lifting motor component that is vertically fixed on the base, a clamping rod that is fixed on the working shaft of the lifting motor component, and a U-shaped clamping plate that is fixed at the end of the clamping rod.

[0018] As a further embodiment of this utility model: the locking mounting plate has at least four locking mounting straight grooves arranged in a grid pattern, and the at least four locking mounting straight grooves are respectively arranged in the horizontal direction.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] By setting up multiple locking motor components and corresponding bit mounting tubes and bit components, multiple screws can be tightened simultaneously. This is suitable for multi-station simultaneous screw-tightening operations on product surfaces, greatly improving work efficiency and reducing production cycles.

[0021] The introduction of a universal joint design allows the bit to be freely adjusted within a certain range to adapt to screw holes in different positions, increasing the equipment's ability to handle complex workpieces without the need for frequent tool changes or workpiece position adjustments.

[0022] The locking guide post and guide mounting plate ensure the accuracy and stability of the screwdriver bit during screw tightening, avoiding errors caused by manual operation. At the same time, the screw guide design helps to accurately position the screw, ensuring that each screw can be accurately screwed into the designated position.

[0023] The combined use of the screw feeder and the air supply pipe interface enables automatic feeding, reduces manual intervention, improves the automation level of the production line, and lowers labor costs. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural view of the present invention;

[0025] Figure 2 This is another three-dimensional view of the structure of this utility model;

[0026] Figure 3 This is a front view of a portion of the structure in this utility model;

[0027] Figure 4 yes Figure 3 A partial view at point A in the middle image;

[0028] Figure 5 This is the left view of this utility model;

[0029] Figure 6 yes Figure 5 A cross-sectional view along the BB direction;

[0030] Figure 7 yes Figure 6 A partial view at point C;

[0031] Figure 8 yes Figure 2 A partial view at point D;

[0032] Figure 9 yes Figure 2 A partial view at point E in the middle;

[0033] Figure 10 This is a three-dimensional view of the positioning component in this utility model from another angle;

[0034] The reference numerals and names in the figure are as follows:

[0035] Base-100, Screw feeder-101, Screw fastening frame-102, Lifting mounting plate-103, Lifting cylinder-104, Locking guide post-105, Locking mounting plate-106, Guide mounting plate-107, Lifting connecting rod-108, Support ring-109, Limit ring-110, Locking motor component-111, Guide groove-112, Flat adjustment assembly-113, Bit mounting tube-114, Bit component-115, Screw guide component-116, Feeding air pipe interface-117, Universal joint component-119, Positioning assembly-120, Stop ring-121, Working stroke-122, Longitudinal mounting groove-123, Guide mounting rod-124, Transverse mounting groove-1 25, bit tube mounting slot - 127, L-shaped adjustment slot - 128, transverse connecting slot - 129, longitudinal connecting slot - 130, bolt locking hole - 131, left side mounting slot - 132, right side mounting slot - 133, positioning base plate - 134, positioning hole - 135, first positioning straight slot - 136, second positioning straight slot - 137, first positioning post - 138, lifting clamping assembly - 139, limit block - 140, second positioning post - 141, first limit slot - 142, second connecting slot - 143, third limit slot - 144, fourth limit slot - 145, lifting motor component - 146, clamping rod - 147, U-shaped clamping plate - 148, locking mounting straight slot - 149. Detailed Implementation

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0037] Please see Figure 1-10 A universal joint locking face multi-axis screw fastening machine includes a base 100, a screw feeder 101 is provided on one side of the base 100, and a vertical screw fastening frame 102 is fixed on the base 100.

[0038] A lifting mounting plate 103 is fixedly connected to the top of the screw-locking frame 102. A lifting cylinder 104 is fixedly mounted on the upper end face of the lifting mounting plate 103. A vertical locking guide post 105 is fixedly connected to the lifting mounting plate 103. A locking mounting plate 106 and a guide mounting plate 107 are slidably sleeved on the outer surface of the locking guide post 105 from top to bottom. A lifting connecting rod 108 is fixedly connected to the working shaft of the lifting cylinder 104. The lifting connecting rod 108 is fixedly connected to the locking mounting plate 106. The guide mounting plate 107 is slidably sleeved on the lifting connecting rod 108. A supporting ring 109 is fixedly mounted on the lower end of the lifting connecting rod 108 to support the guide mounting plate 107. A limiting ring 110 is fixedly mounted on the locking guide post 105 to abut against the lower end face of the guide mounting plate 107.

[0039] Multiple locking motor components 111 are fixedly mounted on the upper end face of the locking mounting plate 106. A guide groove 112 is opened on the guide mounting plate 107. Multiple plane adjustment components 113 are provided on the upper end face of the guide mounting plate 107. A bit mounting tube 114 extending downward from the guide groove 112 is fixedly mounted on each of the multiple plane adjustment components 113. A bit component 115 is slidably sleeved inside each of the multiple bit mounting tubes 114. A screw guide component 116 is fixedly mounted on the lower end opening of each of the multiple bit mounting tubes 114 to engage with the bit component 115 for screwing. A connected air supply pipe interface 117 is fixedly mounted on each of the multiple screw guide components 116. The multiple air supply pipe interfaces 117 are connected to the screw feeder 101 through air pipes.

[0040] Multiple screwdriver bit parts 115 are fixedly connected to the upper ends of each universal joint part 119. The upper ends of the multiple universal joint parts 119 are fixedly connected to the working shafts of multiple locking motor parts 111. The base 100 is fixedly provided with a positioning component 120 for fixing and limiting the product, which cooperates with the screws of the screwdriver bit parts 115.

[0041] like Figure 1 and Figure 2As shown, during use, the universal joint locking multi-axis screw fastening machine of this utility model raises and adjusts the mounting plate 106 and the guide mounting plate 107 by means of the lifting cylinder 104, so that the product to be screwed has enough installation space.

[0042] After the product to be screwed is fixed on the positioning assembly 120, the locking mounting plate 106 and the guide mounting plate 107 are lowered by the lifting cylinder 104, so that the screw guide 116 is aligned and close to the screw mounting position on the product to be screwed. Then, the screw feeder 101 blows the screw into the feeding air pipe interface 117 through the air pipe. After the screw falls into the screw guide 116, the lifting cylinder 104 continues to drive the lifting connecting rod 108 to lower, and the lifting connecting rod 108 drives the locking mounting plate 106 and the guide mounting plate 107 to lower. Since the guide mounting plate 107 slides on the lifting connecting rod 108, The locking guide post 105 is fixed with a limiting ring 110 that abuts against the lower end face of the guide mounting plate 107. When the limiting ring 110 is reached, the height of the guide mounting plate 107 is limited and no longer moves downward. At the same time, the lifting connecting rod 108 drives the locking mounting plate 106 to continue to move downward, so that the bit part 115 continues to move downward and abuts against the screw in the screw guide part 116. Then, the locking motor part 111 drives the universal joint part 119 to rotate, thereby driving the bit part 115 to rotate. At the same time, the lifting connecting rod 108 drives the locking mounting plate 106 to continue to move downward, so that the screw is locked in the screw mounting position.

[0043] By setting up multiple locking motor components 111 and corresponding bit mounting tubes 114 and bit components 115, multiple screws can be tightened simultaneously, which greatly improves work efficiency and reduces the production cycle.

[0044] The design of the universal joint 119 allows the bit 115 to be freely adjusted within a certain range to adapt to screw holes in different positions, increasing the equipment's ability to handle complex workpieces without the need for frequent tool changes or workpiece position adjustments.

[0045] The locking guide post 105 and the guide mounting plate 107 ensure the accuracy and stability of the screwdriver bit 115 during the screw tightening process, avoiding errors caused by manual operation. At the same time, the design of the screw guide 116 helps to accurately position the screw, ensuring that each screw can be accurately screwed into the designated position.

[0046] The screw feeder 101, in conjunction with the air supply pipe interface 117, enables automatic feeding, reduces manual intervention, improves the automation level of the production line, and lowers labor costs.

[0047] In this embodiment of the utility model, a stop ring 121 for limiting the upper end face of the guide mounting plate 107 is also fixed on the lifting connecting rod 108. A working stroke 122 for guiding the mounting plate 107 to slide is preset between the stop ring 121 and the supporting ring 109.

[0048] like Figure 4 and Figure 7 As shown, during the process of the lifting connecting rod 108 driving the locking mounting plate 106 and the guide mounting plate 107 to descend and adjust, the locking mounting plate 106 is fixed on the lifting connecting rod 108, and the guide mounting plate 107 is supported on the lifting connecting rod 108 by the support ring 109. The distance between the guide mounting plate 107 and the locking mounting plate 106 is relatively fixed at this time. Because the distance between the guide mounting plate 107 and the locking mounting plate 106 is relatively fixed, a space is always reserved between the lower end of the screw guide 116 and the bit 115 for the screw to be blown in. After the screw is blown in, the lifting connecting rod 108... 08 drives the locking mounting plate 106 and guide mounting plate 107 to continue descending until they reach the position of the limit ring 110. At this point, the height of the guide mounting plate 107 is limited and it no longer moves downward. At the same time, the lifting connecting rod 108 drives the locking mounting plate 106 to continue moving downward, so that the bit 115 continues to move downward and abuts against the screw in the screw guide 116. Then, the locking motor 111 drives the universal joint 119 to rotate, thereby driving the bit 115 to rotate. At the same time, the lifting connecting rod 108 drives the locking mounting plate 106 to continue moving downward, so that the screw is locked in the screw mounting position.

[0049] like Figure 4 As shown, by fixing a stop ring 121 on the lifting connecting rod 108 to limit the upper end face of the guide mounting plate 107, the stop ring 121 can limit the working stroke 122 of the lifting connecting rod 108 during the process of the screw bit 115 abutting against the screw and the screw being locked in the screw mounting position. When the lifting connecting rod 108 drives the locking mounting plate 106 and the guide mounting plate 107 to continue to descend, when it reaches the position of the limit ring 110, the height of the guide mounting plate 107 is limited and no longer moves downward. During the process of the lifting connecting rod 108 driving the locking mounting plate 106 to continue to move downward, the lifting connecting rod 108 and the guide mounting plate 107 slide against each other until the guide mounting plate 107 abuts against the stop ring 121. At this point, the lifting connecting rod 108 cannot continue to descend, thereby limiting the continued descent of the locking mounting plate 106, thereby limiting the continued descent of the screw bit 115, thereby limiting the screw locking depth and avoiding excessive screw locking that could damage the product.

[0050] In this embodiment of the utility model, the planar adjustment component 113 includes a longitudinal mounting groove 123 opened on the guide mounting plate 107, a transversely arranged guide mounting rod 124 installed on the guide mounting plate 107, a transverse mounting groove 125 opened on the guide mounting rod 124, the longitudinal mounting groove 123 and the transverse mounting groove 125 are locked together by bolts, and a through bit tube mounting groove 127 is opened on the guide mounting rod 124, and the bit mounting tube 114 is fixed in the bit tube mounting groove 127;

[0051] like Figure 2 and Figure 8 As shown, during use, the guide mounting rod 124 can be adjusted longitudinally by the longitudinal mounting groove 123, and the guide mounting rod 124 can be adjusted laterally by the transverse mounting groove 125. This allows the bit mounting tube 114 to be flexibly adjusted laterally and longitudinally. At the same time, by swinging the guide mounting rod 124 at an angle, an angle is formed between the transverse mounting groove 125 and the longitudinal mounting groove 123, and the angle of the guide mounting rod 124 can be adjusted. This allows the bit mounting tube 114 and the bit piece 115 to be positioned at any position within the guide groove 112, thereby satisfying the locking and installation of screws at different screw mounting positions on the product to be locked.

[0052] By setting a longitudinal mounting groove 123 on the guide mounting plate 107 and combining it with a transverse mounting groove 125 on the transversely set guide mounting rod 124, the bit mounting tube 114 can be adjusted in both the longitudinal and transverse directions, which improves the equipment's adaptability to different screw positions and can flexibly meet the needs of different workpiece layouts.

[0053] The longitudinal mounting groove 123 and the transverse mounting groove 125 are locked together by bolts, which ensures that the bit mounting tube 114 can be firmly fixed after being adjusted to the appropriate position, reducing possible positional displacement during operation and ensuring the accuracy of screw tightening.

[0054] Compared to traditional fixed designs, the planar adjustment component 113 allows operators to quickly and easily adjust the position of the bit mounting tube 114, achieving precise positioning without the need for complex tools or lengthy adjustments. By adjusting the position of the bit mounting tube 114, one device can meet the tightening needs of various screw models or specifications, increasing the device's versatility and range of applications.

[0055] In this embodiment of the utility model, the guide mounting rod 124 is provided with an L-shaped adjustment groove 128 that passes through and communicates with the bit tube mounting groove 127. The L-shaped adjustment groove 128 includes a transverse connecting groove 129 that communicates with the bit tube mounting groove 127 and a longitudinal connecting groove 130 that communicates with the side wall of the guide mounting rod 124. The side wall of the guide mounting rod 124 is provided with a bolt locking hole 131 that passes through the transverse connecting groove 129.

[0056] like Figure 8 As shown, during the process of installing the bit mounting tube 114 into the bit mounting tube slot 127, in order to accommodate different specifications of bit parts 115, different specifications of bit mounting tubes 114 need to be used. By adjusting the tightness and looseness of the L-shaped adjustment slot 128, different specifications of bit mounting tubes 114 can be well adapted. The L-shaped adjustment slot 128 allows the installation diameter of the bit mounting slot 127 to be flexibly adapted within a small range.

[0057] The design of the L-shaped adjustment groove 128 allows the operator to precisely adjust the specifications of the bit mounting tube 114 according to actual needs, and to firmly fix the bit mounting tube 114 through the bolt locking hole 131, ensuring that the bit mounting tube 114 will not shift during operation, thereby improving the accuracy and stability of screw tightening.

[0058] Thanks to the more flexible adjustment mechanism, when it is necessary to replace or repair the bit mounting tube 114 and its related components, disassembly and replacement can be completed quickly by loosening the bolts, reducing maintenance difficulty and cost;

[0059] This design allows a single device to be used for a variety of different screw tightening tasks, all of which can be met with simple adjustments, thus enhancing the device's versatility and applicability.

[0060] In this embodiment of the utility model, the longitudinal mounting groove 123 includes a left mounting groove 132 and a right mounting groove 133 respectively disposed on the left and right sides of the guide groove 112, and at least two guide mounting rods 124 are respectively installed on the left mounting groove 132 and the right mounting groove 133.

[0061] By setting two guide mounting rods 124, the simultaneous fastening of multiple screws can be achieved, improving work efficiency.

[0062] In this embodiment of the present invention, the positioning component 120 includes a positioning base plate 134 fixed on the base 100. The positioning base plate 134 has a positioning hole 135 for product positioning. The inner bottom surface of the positioning hole 135 has a first positioning groove 136 and a second positioning groove 137. The inner bottom surfaces of the first positioning groove 136 and the second positioning groove 137 are respectively fixed with first positioning posts 138. One side of the positioning base plate 134 is provided with a lifting clamping component 139 fixed on the base 100. One side of the positioning hole 135 is provided with a limiting block 140 fixed on the positioning base plate 134. The other side of the positioning hole 135 is provided with a plurality of second positioning posts 141 fixed on the positioning base plate 134. The plurality of second positioning posts 141 are arranged linearly in the transverse direction.

[0063] By using the positioning hole 135 and the first positioning groove 136 and the second positioning groove 137 opened on the positioning base plate 134, the workpiece can be accurately guided to the predetermined position. The first positioning post 138 further ensures the accurate placement of the workpiece in the positioning hole 135, thereby improving the screw tightening accuracy.

[0064] The positioning assembly 120 includes not only the positioning hole 135 and the positioning post, but also the lifting clamping assembly 139 and the limiting block 140, which enables the workpiece to be firmly fixed during the screw tightening process, reducing the risk of error or failure caused by workpiece movement.

[0065] Multiple second positioning posts 141 arranged linearly along the transverse direction can be flexibly adjusted according to workpieces of different sizes and shapes, providing good adaptability to workpieces of different specifications and increasing the versatility and flexibility of the equipment.

[0066] This design makes the loading and unloading of workpieces simpler and faster. Operators only need to put the workpiece into the positioning hole 135 and fix it with the lifting clamping assembly 139 to start the operation. There is no need for complicated debugging steps, which reduces the difficulty of operation and improves work efficiency.

[0067] In this embodiment of the utility model, the limiting block 140 is provided with an open first limiting groove 142 on the side near the positioning hole 135, the inner wall of the first limiting groove 142 is provided with a second connecting groove 143 at the connection between the upper end face of the limiting block 140, the two sides of the first limiting groove 142 are respectively provided with a third limiting groove 144 and a fourth limiting groove 145, and a first limiting post is installed on the inner surface of the fourth limiting groove 145.

[0068] The first limiting groove 142 is designed so that when the workpiece is placed into the positioning hole 135, it can be initially positioned through the opening of the first limiting groove 142, ensuring that the workpiece can be accurately placed in the predetermined position, thereby improving the accuracy of the screw tightening operation.

[0069] The design of the second connecting groove 143 helps to better adapt to the edges of workpieces of different thicknesses or shapes, providing more stable support. Meanwhile, the setting of the third limiting groove 144 and the fourth limiting groove 145 can restrict the workpiece in multiple directions, preventing unnecessary movement or displacement of the workpiece during operation, and further enhancing the stability of workpiece fixation.

[0070] By installing the first limiting post inside the bottom surface of the fourth limiting groove 145, the limiting method can be adjusted according to different workpiece sizes and shapes, increasing the equipment's adaptability to various types of workpieces; this design enables the equipment to not only process standardized products, but also to handle some workpieces with special shapes or sizes.

[0071] The design of the limiting block 140 and its multiple limiting slots simplifies the workpiece loading process, allowing operators to place and fix the workpiece correctly more easily and quickly, reducing adjustment time and improving work efficiency.

[0072] A robust and precise limiting mechanism reduces the risk of operational errors or accidents that may result from workpiece instability, providing a higher level of safety for the operating environment.

[0073] In this embodiment of the utility model, the lifting clamping assembly 139 includes a lifting motor component 146 vertically fixed on the base 100, a clamping rod 147 fixed on the working shaft of the lifting motor component 146, and a U-shaped clamping plate 148 fixed at the end of the clamping rod 147.

[0074] By using the lifting motor 146 to drive the clamping rod 147, the U-shaped clamping plate 148 clamps the workpiece, ensuring that the workpiece remains highly stable during screw tightening. Compared with manual clamping, mechanical drive provides more consistent and reliable clamping force, reducing errors caused by workpiece movement.

[0075] The lifting motor 146 can precisely control the up and down movement of the clamping rod 147, allowing the U-shaped clamping plate 148 to flexibly adjust its position according to workpieces of different heights, increasing the equipment's ability to handle workpieces of different sizes and improving the adaptability of the production line.

[0076] In this embodiment of the utility model, at least four locking mounting grooves 149 arranged in a grid pattern are provided on the locking mounting plate 106, and the at least four locking mounting grooves 149 are respectively arranged in the horizontal direction.

[0077] By designing the locking mounting slots 149 in a grid pattern, the locking motor components 111 are allowed to have more positional options on the locking mounting plate 106. This layout allows the equipment to adapt to products of different specifications and layouts, improving the equipment's versatility and flexibility.

[0078] The horizontally arranged locking mounting slot 149 facilitates quick adjustment of the position of the locking motor component 111, eliminating the need for complex tools or lengthy debugging. This greatly simplifies preparations for changing product types or adjusting production lines and improves work efficiency.

[0079] The grid-shaped array design makes full use of the space of the locking mounting plate 106, allowing multiple bits to be arranged closely and orderly, while avoiding mutual interference. This not only saves space but also ensures the independence and accuracy of each bit's operation.

[0080] In one embodiment, the screw guide 116 can be elastically opened and closed as the screw is being fastened to the screw mounting position.

[0081] In one embodiment, the screw guide 116 is made of a flexible material to facilitate the screw being turned through.

[0082] In this embodiment of the utility model, the upper end of the locking guide post 105 is fixedly connected to the lifting mounting plate 103, and the lower end of the locking guide post 105 is fixedly connected to the base 100, making the installation of the locking guide post 105 more stable.

[0083] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A multi-axis screw fastening machine for universal joint locking faces, characterized in that, Includes a base (100), a screw feeder (101) is provided on one side of the base (100), and a vertical screw-locking frame (102) is fixed on the base (100). The top of the screw-locking frame (102) is fixedly connected to a lifting mounting plate (103). A lifting cylinder (104) is fixedly mounted on the upper end surface of the lifting mounting plate (103). A vertical locking guide post (105) is fixedly connected on the lifting mounting plate (103). A locking mounting plate (106) and a guide mounting plate (107) are slidably sleeved on the outer surface of the locking guide post (105) from top to bottom. A lifting connecting rod (108) is fixedly connected on the working shaft of the lifting cylinder (104). The lifting connecting rod (108) is fixedly connected to the locking mounting plate (106). The guide mounting plate (107) is slidably sleeved on the lifting connecting rod (108). A supporting ring (109) supporting the guide mounting plate (107) is fixedly mounted on the lower end of the lifting connecting rod (108). A limiting ring (110) abuts against the lower end surface of the guide mounting plate (107) is fixedly mounted on the locking guide post (105). Multiple locking motor components (111) are fixed on the upper end face of the locking mounting plate (106). A guide groove (112) is opened on the guide mounting plate (107). Multiple plane adjustment components (113) are provided on the upper end face of the guide mounting plate (107). A bit mounting tube (114) extending downward from the guide groove (112) is fixed on each of the multiple plane adjustment components (113). A bit piece (115) is slidably sleeved in each of the multiple bit mounting tubes (114). A screw guide (116) is fixed on the lower end opening of each of the multiple bit mounting tubes (114) to engage with the bit piece (115) for screwing. A connected air supply pipe interface (117) is fixed on each of the multiple screw guides (116). The multiple air supply pipe interfaces (117) are connected to the screw feeder (101) through air pipes. The upper ends of multiple screwdriver bits (115) are respectively fixedly connected to universal joints (119), and the upper ends of multiple universal joints (119) are respectively fixedly connected to the working shafts of multiple locking motor parts (111). The base (100) is fixedly provided with positioning components (120) for fixing and limiting the product, which cooperate with screws on the screwdriver bits (115).

2. The universal joint locking face multi-axis screw fastening machine according to claim 1, characterized in that, The lifting connecting rod (108) is also fixed with a stop ring (121) to limit the upper end face of the guide mounting plate (107). The stop ring (121) and the support ring (109) are preset with a working stroke for guiding the mounting plate (107) to slide.

3. The universal joint locking face multi-axis screw fastening machine according to claim 1, characterized in that, The plane adjustment assembly (113) includes a longitudinal mounting groove (123) opened on the guide mounting plate (107), a transversely arranged guide mounting rod (124) installed on the guide mounting plate (107), a transverse mounting groove (125) opened on the guide mounting rod (124), the longitudinal mounting groove (123) and the transverse mounting groove (125) are locked together by bolts, and a through bit tube mounting groove (127) is opened on the guide mounting rod (124), and the bit mounting tube (114) is fixed in the bit tube mounting groove (127).

4. A multi-axis screw fastening machine for universal joint locking face according to claim 3, characterized in that, The guide mounting rod (124) has an L-shaped adjustment groove (128) that passes through and communicates with the bit tube mounting groove (127). The L-shaped adjustment groove (128) includes a transverse connecting groove (129) that communicates with the bit tube mounting groove (127) and a longitudinal connecting groove (130) that communicates with the side wall of the guide mounting rod (124). The side wall of the guide mounting rod (124) has a bolt locking hole (131) that passes through the transverse connecting groove (129).

5. A multi-axis screw fastening machine for universal joint locking face according to claim 3, characterized in that, The longitudinal mounting groove (123) includes a left mounting groove (132) and a right mounting groove (133) respectively located on the left and right sides of the guide groove (112). At least two guide mounting rods (124) are installed on the left mounting groove (132) and the right mounting groove (133) respectively.

6. A multi-axis screw fastening machine for universal joint locking faces according to any one of claims 1-5, characterized in that, The positioning assembly (120) includes a positioning base plate (134) fixed on the base (100). The positioning base plate (134) has a positioning hole (135) for product positioning. The inner bottom surface of the positioning hole (135) has a first positioning groove (136) and a second positioning groove (137). The inner bottom surfaces of the first positioning groove (136) and the second positioning groove (137) are respectively fixed with a first positioning post (138). One side of the positioning base plate (134) is provided with a lifting clamping assembly (139) fixed on the base (100). One side of the positioning hole (135) is provided with a limiting block (140) fixed on the positioning base plate (134). The other side of the positioning hole (135) is provided with a plurality of second positioning posts (141) fixed on the positioning base plate (134). The plurality of second positioning posts (141) are arranged linearly in the transverse direction.

7. A multi-axis screw fastening machine for universal joint locking face according to claim 6, characterized in that, The limiting block (140) has an opening first limiting groove (142) on one side near the positioning hole (135). The inner wall of the first limiting groove (142) is connected to the upper end face of the limiting block (140) with a second connecting groove (143). The first limiting groove (142) has a third limiting groove (144) and a fourth limiting groove (145) on both sides respectively. The inner surface of the fourth limiting groove (145) is equipped with a first limiting post.

8. A multi-axis screw fastening machine for universal joint locking surfaces according to claim 7, characterized in that, The lifting clamping assembly (139) includes a lifting motor component (146) vertically fixed on the base (100), a clamping rod (147) fixed on the working shaft of the lifting motor component (146), and a U-shaped clamping plate (148) fixed at the end of the clamping rod (147).

9. A multi-axis screw fastening machine for universal joint locking surfaces according to claim 8, characterized in that, The locking mounting plate (106) has at least four locking mounting straight slots (149) arranged in a grid pattern, and the at least four locking mounting straight slots (149) are respectively arranged in the horizontal direction.

Citation Information

Patent Citations

  • Multi-shaft screw machine

    CN210908899U