Product assembling jig and workbench with same

Abstract

The utility model relates to a product assembling jig and a workbench with the same. The product assembling jig comprises a carrier assembly, a pneumatic pressing assembly, a pneumatic clamping assembly and a sensing fixing assembly. The carrier assembly is provided with a preset position, and the preset position is configured to limit a product; the pneumatic pressing assembly is installed above the carrier assembly and comprises a first air cylinder and a pressing combination structure, and the pressing combination structure is connected to the driving end of the first air cylinder; the first air cylinder is configured to drive the pressing combination structure to press downwards in a reciprocating mode towards the preset position. The pneumatic clamping assembly comprises a second air cylinder and a clamping jaw, the second air cylinder is arranged on the pressing combination structure, the second air cylinder is in driving connection with the clamping jaw, and the clamping jaw is used for clamping the head of the to-be-assembled part so that the to-be-assembled part can be in the longitudinal perpendicular state; the sensing fixing assembly is installed on one side of the pressing combination structure and used for controlling the stroke distance of the first air cylinder and the stroke distance of the second air cylinder.

Description

Technical Field

[0001] This application relates to the field of product assembly technology, and in particular to a product assembly fixture and a workbench having therein. Background Technology

[0002] In the current product assembly process, components are typically installed into the product base. The base is fixed to a fixture, and the components are then manually installed onto the base. This involves aligning and pressing the components in place, followed by screwing or welding. The process is primarily manual.

[0003] Manual installation may cause the following adverse consequences: First, the installation angle may be incorrect, and it is impossible to guarantee that the installation direction is the standard direction, resulting in a relatively large error; Second, the product components are fitted into the base entirely by human strength, which results in uncontrollable human force, uneven force, increased downward pressure, damage to the product, and requires a lot of strength, making the operator quite tired; Third, the assembly process involves gluing or welding, which can cause splattering and soil the product.

[0004] Alternatively, the assembly process of existing applications can be combined with bracket modules. However, bracket modules have complex structures, are cumbersome to install, and are costly. Some brackets use magnetic structures, and some receiving modules are sensitive to magnetic fields, which can seriously affect the performance of the receiving modules. Therefore, the magnetic structure is abandoned and screw locking is used, which makes the structure complex and inconvenient for users.

[0005] Therefore, a new assembly fixture with a simple structure is needed. Utility Model Content

[0006] This application provides a product assembly fixture and a worktable having the same, to solve the technical problems of low precision in manual assembly or complex structure of existing support modules in the prior art.

[0007] This utility model provides a product assembly fixture, comprising: a carrier assembly, a pneumatic clamping assembly, a pneumatic gripping assembly, and a sensor fixing assembly. The carrier assembly has a preset position configured as a product limit. The pneumatic clamping assembly is mounted above the carrier assembly and includes a first cylinder and a clamping combination structure. The clamping combination structure is connected to the drive end of the first cylinder, and the first cylinder is configured to drive the clamping combination structure to reciprocate downwards toward the preset position. The pneumatic gripping assembly includes a second cylinder and a gripper. The second cylinder is disposed on the clamping combination structure and drives the gripper, which is used to grip the head of the part to be assembled, so that the part to be assembled is in a vertical position. The sensor fixing assembly is mounted on one side of the clamping combination structure and is used to control the stroke distance of the first cylinder and the second cylinder.

[0008] The carrier assembly includes a base and a clamp adjustment block. The base has a receiving cavity for accommodating the product. The clamp adjustment block is located on both sides of the base along its length. The clamp adjustment block has an auxiliary cavity for communicating with the receiving cavity to match different product models.

[0009] The base is detachably connected to multiple positioning adjustment blocks, and each positioning adjustment block is used to restrict the four corner blocking positions of the product to prevent the product from falling out of the carrier assembly.

[0010] The base is provided with at least two positioning components, which are arranged opposite to each other and serve as alignment and assembly references for the product.

[0011] The clamping assembly includes a lower transition plate, a horizontal transition plate, and a clamping plate. The lower transition plate is driven and connected to the first cylinder. The horizontal transition plate is connected to the front side of the lower transition plate and has a receiving through hole for accommodating the gripper with the part to be assembled. The clamping plate is embedded in the bottom surface of the horizontal transition plate and covers the receiving through hole from bottom to top.

[0012] The pneumatic clamping assembly includes a fixing head, which is installed below the second cylinder. The fixing head is used to support the rear bottom surface of the part to be assembled so that the part to be assembled remains horizontal during the clamping process.

[0013] The pneumatic gripping assembly includes a fixing block connected to the bottom surface of the horizontal transition plate, and the fixing head is movably connected to the fixing block.

[0014] A ball bolt passes between the fixing block and the fixing head, and a ball nut is provided on one side of the fixing block to match the ball bolt.

[0015] The sensing fixing assembly includes a side fixing member and a sensor, and the sensor is connected to one side of the clamping assembly structure through the side fixing member.

[0016] This utility model also provides a workbench, including the above-mentioned product assembly fixture.

[0017] The technical solutions provided in this application have the following advantages compared with the prior art:

[0018] The product assembly fixture and its worktable provided in this application embodiment include a carrier assembly for supporting and carrying the product at a preset position. A pneumatic gripping assembly drives the grippers to move via a second cylinder, thereby gripping the head of the component to be assembled. During the gripping process, the component remains vertical (i.e., head up, tail down). When the second cylinder moves the component to the pre-assembly position, the first cylinder drives the pressing assembly structure to reciprocate downwards towards the preset position of the product, thus securing the component to the pre-assembly position. In other words, the pressing assembly structure is positioned above the component, providing a downward pressure. This process is achieved entirely through the matched drive of the two cylinders, requiring no manual operation. During the process, a sensing and fixing assembly can control the stroke of the two cylinders, preventing excessive cylinder stroke that could compress the product or component to be assembled, and also preventing insufficient cylinder stroke that would prevent the assembly process from being completed. Attached Figure Description

[0019] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0022] Figure 1A schematic diagram of the axial structure of the product assembly fixture provided in the embodiments of this application. Figure 1 ;

[0023] Figure 2 A schematic diagram of the axial structure of the product assembly fixture provided in the embodiments of this application. Figure 2 ;

[0024] Figure 3 A schematic diagram of the axial structure of the pneumatic clamping assembly in the product assembly fixture provided in the embodiments of this application;

[0025] Figure 4 A schematic diagram of the assembly structure of the second cylinder and the gripper in the pneumatic gripping assembly of the product assembly fixture provided in this application embodiment;

[0026] Figure 5 A schematic diagram of the assembly structure between the fixing head, fixing block, component to be assembled, product and carrier assembly provided in the embodiments of this application;

[0027] Figure 6 A schematic diagram of the assembly structure of the fixing head and fixing block relative to the assembled parts provided in the embodiments of this application;

[0028] Figure 7 This is a schematic diagram of the axonal structure of the sensing fixing component provided in an embodiment of this application.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Carrier assembly; 11. Base; 111. Accommodating cavity; 12. Clamping adjustment block; 121. Auxiliary cavity; 13. Positioning adjustment block; 14. Positioning component; 2. Pneumatic clamping assembly; 21. First cylinder; 22. Clamping combination structure; 221. Lower transition plate; 222. Horizontal transition plate; 2221. Accommodating through hole; 223. Clamping plate; 3. Pneumatic gripping assembly; 31. Second cylinder; 32. Gripper; 33. Fixing head; 34. Fixing block; 35. Ball bolt; 36. Ball nut; 4. Sensor fixing assembly; 41. Side fixing component; 42. Sensor; 5. Product; 6. Part to be assembled; 7. Fixing bracket. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] The following disclosure provides numerous different embodiments or examples for implementing various structures of the present invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0033] For ease of description, spatial relative terms may be used in this text to describe the relative position or movement of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "front," "back," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure undergoes a positional flip, orientation change, or change of motion, these directional indications will change accordingly. For instance, an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptions used in this text have been explained accordingly.

[0034] In the process of installing components relative to the product base, manual operation or operation with the help of complex bracket modules is usually used. The former has a high error rate and is slow, while the latter has a complex structure and is more cumbersome to install.

[0035] To alleviate the above problems, this application provides a product assembly fixture that can achieve the alignment and assembly of components and products using a simple structure, resulting in high assembly efficiency and significantly improved product yield.

[0036] refer to Figures 1-7 The present invention provides a detailed description of the product assembly fixture and the workbench thereof.

[0037] This application provides a product assembly fixture, including: a carrier assembly 1, a pneumatic clamping assembly 2, a pneumatic gripping assembly 3, and a sensing and fixing assembly 4. The carrier assembly 1 supports a product 5; that is, the carrier assembly 1 has a preset position configured as a limit for the product 5. This application does not limit the preset position; it can be whatever meets the actual assembly requirements. The pneumatic clamping assembly 2 is mounted above the carrier assembly 1 and applies downward pressure towards the product 5 during assembly to prevent the component from detaching from the product 5, thereby accelerating the assembly time. Specifically, the pneumatic clamping assembly 2 includes a first cylinder 21 and a clamping mechanism. The assembly structure 22 is connected to the drive end of the first cylinder 21. The first cylinder 21 is configured to drive the clamping assembly structure 22 to reciprocate downward toward a preset position. The pneumatic gripping component 3 includes a second cylinder 31 and a gripper 32. The second cylinder 31 is disposed on the clamping assembly structure 22 and drives the gripper 32. The gripper 32 is used to grip the head of the part to be assembled 6 so that the part to be assembled 6 is in a vertical state. It should be noted that the vertical state in this application is a guided state in which the head of the part to be assembled 6 is on top and the tail is on the bottom. The sensing and fixing component 4 is installed on one side of the clamping assembly structure 22 and is used to control the stroke distance of the first cylinder 21 and the second cylinder 31.

[0038] For example, the gripper 32 is located above the clamping assembly structure 22, and the gripper 32 drives the product 5 through the clamping assembly structure 22 and aligns and assembles it with the product 5 on the carrier assembly 1.

[0039] For example, the grippers 32 are arranged in pairs, and the clamping force between the grippers 32 can be determined according to actual production needs.

[0040] For example, the sensing fixing component 4 includes a sensor 42, through which the stroke distance of the cylinder is controlled.

[0041] For example, sensor 42 can be a photoelectric sensor 42, which can detect the position of an object by emitting and receiving light. By mounting photoelectric sensor 42 on one side of the clamping assembly structure 22, when a component pushed by the cylinder blocks or reflects light, photoelectric sensor 42 can detect this, thereby determining the position of the component and controlling the stroke distance of the cylinder. For instance, on an automated assembly line, photoelectric sensor 42 is installed next to the cylinder used to clamp parts. When the part is clamped to a specific position, blocking the light from photoelectric sensor 42, sensor 42 will send a signal to control the cylinder to stop moving.

[0042] For example, sensor 42 can be a magnetic sensor, which is typically used in conjunction with a magnetic piston on the cylinder. When the magnetic piston moves into the sensing range of sensor 42, the magnetic sensor 42 can detect the change in magnetic field and output a signal. In the clamping assembly structure 22, if the cylinder has a magnetic piston, mounting the magnetic sensor 42 at a suitable position on one side allows for precise control of the cylinder stroke based on the piston's magnetic field. For instance, in a packaging device, the cylinder used to clamp the packaging material uses the magnetic sensor 42 to accurately control the downward pressure distance, ensuring that the packaging material is properly clamped.

[0043] For example, sensor 42 can also be a displacement sensor 42, which can directly measure the displacement change of an object. The displacement sensor 42 is installed at the connection point between the pressing assembly 22 and the cylinder. When the cylinder moves, the displacement sensor 42 can monitor its movement distance in real time and feed the data back to the control system for precise control of the cylinder stroke. For example, in the component pressing process in automobile manufacturing, the displacement sensor 42 can precisely control the stroke of the pressing cylinder, ensuring that the component is installed in place without over-pressing.

[0044] Using the product assembly fixture provided in this application embodiment, the carrier component 1 is used to support and carry the product 5 at a preset position. The pneumatic gripping component 3 drives the gripper 32 to move through the second cylinder 31, thereby causing the gripper 32 to grasp the head of the part to be assembled 6. During the process of the gripper 32 holding the part to be assembled 6, the part to be assembled 6 is kept in a vertical state (that is, a vertical state with the head on top and the tail on the bottom). When the second cylinder 31 moves the part to be assembled 6 to the pre-assembly position of the product 5, the first cylinder 21 can drive the pressing assembly structure 22 to press down repeatedly in the direction of the preset position of the product 5, so that the part to be assembled 6 is firmly assembled in the pre-assembly position of the product 5. That is, the pressing assembly structure 22 is located above the part to be assembled 6, and can give the part to be assembled 6 a downward pressure from top to bottom. This process is achieved entirely by the matching drive of the two cylinders, without the need for manual operation. During the process, the sensing and fixing component 4 can control the stroke of the two cylinders, which can prevent the cylinders from pushing too far and squeezing the product 5 or the part to be assembled 6, and can also prevent the cylinders from pushing too little and failing to complete the assembly process.

[0045] Considering the structural composition of the carrier assembly 1, in the product assembly fixture provided in this application embodiment, the carrier assembly 1 includes a base 11 and a clamp adjustment block 12. The base 11 has a receiving cavity 111 for accommodating the product 5. The clamp adjustment block 12 is located on both sides of the base 11 along the length direction. The clamp adjustment block 12 has an auxiliary cavity 121, which is used to communicate with the receiving cavity 111 to match different models of the product 5.

[0046] This application does not limit the structure, shape, or size of the base 11, as long as it has a receiving cavity 111 for accommodating the product 5, and the receiving cavity 111 can communicate with the auxiliary cavity 121 of the clamp adjustment block 12 located on both sides of the base 11 along the length direction. In this way, the clamp adjustment block 12 can increase the bearing space of the base 11. That is, the auxiliary cavity 121 and the receiving cavity 111 are used together to support products 5 of different sizes.

[0047] Considering the limiting scheme of product 5 within carrier assembly 1, in the product assembly fixture provided in this application embodiment, the base 11 is detachably connected to multiple positioning adjustment blocks 13. Each positioning adjustment block 13 is used to limit the four corner blocking positions of product 5 to prevent product 5 from falling out of carrier assembly 1.

[0048] This application does not limit the shape, structure, and size of the positioning adjustment block 13, as long as it can limit and block the four corners of the product 5. That is, multiple positioning adjustment blocks 13 together restrict the assembly position of the product 5 on the base 11 and the clamp adjustment block 12, that is, multiple positioning adjustment blocks can prevent the product 5 from falling out of the preset position.

[0049] Considering the positioning scheme of product 5 within carrier assembly 1, in the product assembly fixture provided in this application embodiment, at least two positioning elements 14 are provided on the base 11, each positioning element 14 is arranged opposite to the other, and each positioning element 14 is used as the alignment assembly reference for product 5.

[0050] The embodiments of this application do not limit the structure, shape and size of the positioning element 14, as long as it can provide the alignment function for the product 5. That is, the structure, shape and size of the positioning element 14 are related to the structure, shape and size required for positioning on the product 5.

[0051] For example, the positioning element 14 can be a positioning pin, and correspondingly, the product 5 is provided with a positioning hole.

[0052] For example, the positioning element 14 can also adopt a positioning post or positioning block, and correspondingly, the product 5 is provided with a corresponding positioning hole.

[0053] Considering the specific structural composition of the clamping assembly structure 22, in the product assembly fixture provided in this application embodiment, the clamping assembly structure 22 includes a lower pressure transition plate 221, a horizontal transition plate 222, and a clamping plate 223. The lower pressure transition plate 221 is driven and connected to the first cylinder 21. The horizontal transition plate 222 is connected to the front side of the lower pressure transition plate 221. The horizontal transition plate 222 has a receiving through hole 2221, which is used to receive the gripper 32 with the part to be assembled 6. The clamping plate 223 is embedded in the bottom surface of the horizontal transition plate 222 and covers the receiving through hole 2221 from bottom to top.

[0054] This application does not limit the structure and shape of the pressure transition plate 221 and the horizontal transition plate 222, and they can be various plate-like structures with horizontal sections.

[0055] For example, the end of the clamping plate 223 that is in direct contact with the component is flat, and the rest of the structure and shape are not limited.

[0056] Considering that the pneumatic gripping assembly 3 can keep the part 6 to be assembled in a horizontal state when gripping it, the pneumatic gripping assembly 3 in the product assembly fixture provided in this application embodiment includes: a fixing head 33, which is installed below the second cylinder 31. The fixing head 33 is used to support the rear bottom surface of the part 6 to be assembled so that the part 6 to be assembled is kept in a horizontal state during the gripping process.

[0057] The fixing head 33 is mainly used to support the rear bottom surface of the component 6 to be assembled. In this way, under the support of the fixing head 33, the component 6 to be assembled can be installed in the correct position, that is, the component 6 to be assembled will not tilt relative to the product 5.

[0058] Considering that the fixing head 33 can adapt to the size of the product 5 to be assembled 6 and adjust the horizontal support scheme of the bottom surface of the product 6 to be assembled, in the product assembly fixture provided in this application embodiment, the pneumatic clamping component 3 includes a fixing block 34, the fixing block 34 is connected to the bottom surface of the horizontal transition plate 222, and the fixing head 33 and the fixing block 34 are configured to be movably connected.

[0059] In this way, the fixing head 33 can be connected to the pressing assembly structure 22 via the fixing block 34 and the horizontal transition plate 222, and can move toward or away from the product 5 following the pressing assembly structure 22.

[0060] Considering the adjustable scheme between the fixing head 33 and the fixing block 34, in the product assembly fixture provided in this application embodiment, a ball bolt 35 is passed between the fixing block 34 and the fixing head 33, and a ball nut 36 is matched and provided on one side of the fixing block 34 to expose the ball bolt 35.

[0061] For example, the ball bolt 35 has a helical raceway, and the ball nut 36 also has a corresponding raceway, with multiple balls installed between the raceways. In addition, the ball nut 36 is provided with a ball circulation device, which allows the balls to circulate within the raceways.

[0062] When the ball bolt 35 rotates, the balls roll within their raceways. Simultaneously, due to the contact between the balls and the raceways of the ball nut 36, the ball nut 36 is driven to move linearly along the axis of the ball bolt 35. This converts the rotational motion of the ball bolt 35 into the linear motion of the ball nut 36. Conversely, when the ball nut 36 is fixed, and the ball bolt 35 can both rotate and move axially, the ball nut 36 pushes the balls, thereby causing the ball bolt 35 to move linearly, thus converting linear motion into rotational motion.

[0063] Thus, with the ball bolt 35 and ball nut 36 in place, relative movement can occur between the fixing head 33 and the fixing block 34. That is, the fixing head 33 can extend away from the fixing block 34 and towards the underside of the part 6 to be assembled.

[0064] Considering the structural composition of the sensor fixing component 4, in the product assembly fixture provided in this application embodiment, the sensor fixing component 4 includes a side fixing member 41 and a sensor 42. The sensor 42 is connected to one side of the clamping assembly structure 22 through the side fixing member 41.

[0065] For example, the sensor 42 can be one of the photoelectric sensor 42, magnetic sensor 42 or displacement sensor 42 described above.

[0066] With the sensor 42 in place, the problems of excessive stroke of the first cylinder 21 or the second cylinder 31 causing structural damage or insufficient stroke preventing the assembly process from being completed can be avoided.

[0067] Considering that the application scenarios of product assembly fixtures can be varied, the product assembly fixture provided in this application embodiment also includes a fixing bracket 7, which can be used to install the product assembly fixture in any required scenario.

[0068] For example, the mounting bracket 7 can be detachably connected to the installation location.

[0069] For example, the fixed bracket 7 can be installed by sliding assembly or snap-fit.

[0070] For example, the fixing brackets 7 can be set in pairs or used individually.

[0071] This application also provides a workbench, including the above-mentioned product assembly fixture, which can achieve all the effects of the above-mentioned product assembly fixture, and will not be described in detail here.

[0072] Using the product assembly fixture and worktable provided in this application embodiment, product 5 is first placed into carrier assembly 1. Then, the assembly is pressed against the pressure plate 223 from below, passing through the transition block. Then, the fixing head 33 is pushed forward (ball nut 36 enters the central round hole). One side of product 5 is supported by the pressure plate 223. Then, the gripper 32 clamps the upper part of product 5 assembly. At this time, the hand is removed from product 5, and product 5 will press against the pressure plate 223 and be firmly fixed by the gripper 32 and fixing head 33. The gripper 32 and the fixing head 33 mechanism are both fixed on the lower transition block, thus keeping product 5 assembly and the upper part completely fixed and horizontal. Then, the cylinder presses the entire part downward. The front end of the assembly will be pressed into product 5 by the overall pressure. The pressing stroke is controlled by sensor 42. Then, screw tightening, glue application, welding, etc. are performed. After the operation is completed, the gripper 32 is released and the fixing block 34 is pulled backward. Thus, the whole is moved upward, product 5 is taken out, and the next product 5 operation is performed. The advantage of this structural design is that it ensures uniform force distribution during component assembly, maintaining the same horizontal plane and guaranteeing the orientation of product 5, i.e., accuracy. The clamping plate 223 also protects the components, preventing dirt from dripping onto product 5. It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” used herein may also mean including the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in the specific order described or illustrated, unless the order is explicitly specified. It should also be understood that additional or alternative steps may be used.

[0073] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0074] The above description is merely a specific embodiment of the present invention, enabling those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A product assembly jig, characterized by, include: A carrier assembly having a preset position configured as a limit position for the product; A pneumatic clamping assembly is mounted on top of the carrier assembly. The pneumatic clamping assembly includes a first cylinder and a clamping combination structure. The clamping combination structure is connected to the drive end of the first cylinder. The first cylinder is configured to drive the clamping combination structure to reciprocate downward toward the preset position. A pneumatic gripping assembly includes a second cylinder and a gripper. The second cylinder is disposed on the clamping assembly structure and drives the gripper. The gripper is used to grip the head of the part to be assembled so that the part to be assembled is in a longitudinally vertical state. A sensing fixing assembly is installed on one side of the clamping assembly structure and is used to control the stroke distance of the first cylinder and the second cylinder.

2. The product assembly jig of claim 1, wherein The carrier assembly includes a base and a clamp adjustment block. The base has a receiving cavity for accommodating the product. The clamp adjustment block is located on both sides of the base along its length. The clamp adjustment block has an auxiliary cavity for communicating with the receiving cavity to accommodate different product models.

3. The product assembly jig of claim 2, wherein, The base is detachably connected to multiple positioning adjustment blocks, and each of the positioning adjustment blocks is used to limit the four corner blocking positions of the product to prevent the product from falling out of the carrier assembly.

4. The product assembly jig of claim 2, wherein, The base is provided with at least two positioning members, which are arranged opposite to each other and are used as alignment and assembly references for the product.

5. The product assembly jig of claim 2, wherein, The clamping assembly structure includes a lower transition plate, a horizontal transition plate, and a clamping plate. The lower transition plate is driven and connected to the first cylinder. The horizontal transition plate is connected to the front side of the lower transition plate and has a receiving through hole for accommodating the gripper with the part to be assembled. The clamping plate is embedded in the bottom surface of the horizontal transition plate and covers the receiving through hole from bottom to top.

6. The product assembly jig of claim 5, wherein, The pneumatic gripping assembly includes a fixing head, which is installed below the second cylinder. The fixing head is used to support the rear bottom surface of the part to be assembled so that the part to be assembled remains horizontal during the gripping process.

7. The product assembly jig of claim 6, wherein, The pneumatic gripping assembly includes a fixing block connected to the bottom surface of the horizontal transition plate, and the fixing head is movably connected to the fixing block.

8. The product assembly fixture of claim 7, wherein, A ball bolt passes between the fixing block and the fixing head, and a ball nut is provided on one side of the fixing block to match the ball bolt.

9. The product assembly fixture of claim 1, wherein, The sensing fixing assembly includes a side fixing member and a sensor, and the sensor is connected to one side of the clamping assembly structure through the side fixing member.

10. A workbench characterized by, Includes the product assembly fixture as described in any one of claims 1-9.

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