Pressure-controllable shell assembling jig
By introducing a positioning mechanism, hydraulic push rod, and pressure sensor into the compressor housing assembly fixture, the problem of traditional fixtures being unable to adjust height and rotation is solved. This enables precise positioning and pressure control of the housing, improving production efficiency and yield, and adapting to the assembly of housings of different sizes and materials.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU RUISU TECH CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-06-19
AI Technical Summary
Existing compressor housing assembly fixtures cannot adjust height and rotation, resulting in low assembly efficiency. Furthermore, housings of different sizes, shapes, and materials require frequent replacement or adjustment, and excessive pressure can easily cause housing deformation or cracking, making it difficult to meet diverse assembly needs.
The design employs a positioning mechanism and hydraulic push rod combined with a pressure sensor. The precise positioning and fixation of the outer shell are achieved through motor-controlled screw transmission. The suction cup assembly enhances the fixing ability, and the assembly pressure is adjusted through a closed-loop control system to ensure that it is within the preset threshold range.
It achieves precise control of the assembly pressure of the outer shell, reduces the risk of damage, improves the yield and production efficiency, and enhances the versatility and adaptability of the fixture.
Smart Images

Figure CN224373320U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of jig technology, specifically to a pressure-controllable housing assembly jig. Background Technology
[0002] A jig is a tool that assists in controlling position or movement and is widely used in industrial production. It enables high-precision, low-damage assembly of housing components by precisely controlling pressure.
[0003] An existing Chinese patent (publication number: CN209648096U) discloses a tooling fixture for rapid assembly of a compressor housing, including a base with an arc-shaped groove at the port of the base, a lead screw movably connected to the center of a turntable, a first helical gear sleeved on the outer wall of the lead screw, a threaded sleeve threadedly connected to the outer wall of the end of the lead screw away from the turntable, a work platform fixedly connected to the end of the threaded sleeve away from the lead screw, and a U-shaped fixing seat fixedly connected to the base surface of the work platform, a connecting rod and an L-shaped rod movably connected to the two U-shaped ends of the U-shaped fixing seat respectively, a gripping rod movably connected to the end of the connecting rod away from the fixing seat, and a clamping rod fixedly connected vertically downward to the side wall of the L-shaped rod. This utility model relates to the field of compressor housing assembly technology. This utility model solves the problem in the prior art that the tooling fixtures for assembling compressor housings cannot be adjusted in height or rotated, requiring workers to constantly move or walk around, resulting in very low assembly efficiency. In the aforementioned patent, when the pressure on the assembly housing of the fixture is too high, the housing may deform or crack due to excessive extrusion. For housings of different sizes, shapes, and materials, traditional fixtures often need to be frequently replaced or adjusted, which is cumbersome and difficult to meet diverse assembly needs, thus reducing production efficiency. Utility Model Content
[0004] To address this issue, this utility model provides a pressure-controllable housing assembly fixture to solve the problem that when the pressure of the fixture is too high during assembly, the housing may deform or crack due to excessive extrusion. Traditional fixtures often require frequent replacement or adjustment for housings of different sizes, shapes, and materials, which is cumbersome and difficult to meet diverse assembly needs, thus reducing production efficiency.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a pressure-controllable housing assembly fixture, including a connecting plate, a sliding groove at the bottom of the connecting plate, and two positioning mechanisms at the bottom of the connecting plate;
[0006] The positioning mechanism includes a lead screw, which is located inside a slide groove and connected to the inner wall of the slide groove via a bearing. The threads on both sides of the lead screw have opposite directions. A motor is fixedly mounted on one side of the connecting plate, and the output end of the motor is fixedly connected to the lead screw. Slide plates are threaded onto both sides of the lead screw. A slot is provided on one side of the slide plate, and a retaining plate is provided inside the slot. A limit hole is provided on one side of the retaining plate, and an L-shaped plate is fixedly connected to one side of the retaining plate. Multiple extrusion rollers are connected to one side of the L-shaped plate via a bearing. A fixing component is provided on one side of the slide plate.
[0007] Preferably, the fixing component includes a connecting frame, which is fixedly disposed on one side of the slide plate. A pull plate is provided on one side of the connecting frame, and a connecting pipe is fixedly connected to one side of the pull plate. The connecting pipe passes through the connecting frame, and a cylinder is fixedly connected to one end of the connecting pipe. A limit rod is fixedly connected to one end of the cylinder. A spring is sleeved on the outside of the connecting pipe, and the limit rod passes through the slide plate and extends into the interior of the limit hole.
[0008] Preferably, the slide plate slides inside the groove.
[0009] Preferably, the top of the connecting plate is provided with a fixing frame, and a hydraulic push rod is fixedly installed inside the fixing frame. The output end of the hydraulic push rod is fixedly connected to the connecting plate.
[0010] Preferably, a pressure sensor is installed on one side of the hydraulic push rod.
[0011] Preferably, the top of the connecting plate is provided with a suction cup assembly, the suction cup assembly includes a vacuum pump, the vacuum pump is fixedly mounted on the top of the mounting frame, the output end of the vacuum pump is fixedly connected to a connecting hose, the end of the connecting hose is fixedly connected to a suction cup, and the suction cup penetrates the connecting plate.
[0012] Preferably, the outer surface of the extrusion wheel is covered with a soft rubber layer.
[0013] Preferably, the card slot is slidably connected to the card plate.
[0014] The present invention has the following advantages:
[0015] This invention, by installing a pressure sensor on one side of the hydraulic push rod, can monitor the pressure value during the assembly process in real time and feed the data back to the main control unit through a closed-loop control system. The system can preset a pressure threshold. When the actual pressure exceeds or falls below the set range, the adjustment mechanism is automatically triggered. The hydraulic push rod controls the assembly pressure of the connecting plate, thus achieving precise control of the assembly pressure of the outer shell. This greatly reduces the risk of damage to the outer shell due to excessive pressure, improves the product yield, and reduces production costs.
[0016] The positioning mechanism of this invention employs a screw drive and a detachable L-shaped plate and extrusion wheel design. The screw is rotated by a motor, which moves the sliding plate and extrusion wheel to position and fix shells of different sizes. Simultaneously, the L-shaped plate and extrusion wheel can be flipped and re-fixed to adapt to different shell assembly methods. Furthermore, the suction cup assembly further enhances the fixture's ability to adhere and fix the shell, enabling it to adapt to the assembly of more types and shapes of shells, thus improving the fixture's versatility and adaptability. Attached Figure Description
[0017] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.
[0018] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.
[0019] Figure 1 Top view of the overall structure provided for this utility model;
[0020] Figure 2 A bottom view of the overall structure provided for this utility model;
[0021] Figure 3 A perspective view of the fixing component provided by this utility model;
[0022] Figure 4 A cross-sectional view of the fixing component provided by this utility model;
[0023] Figure 5 A perspective view of the sliding plate provided for this utility model.
[0024] In the diagram: 1. Connecting plate; 2. Suction cup; 3. Fixing frame; 4. Hydraulic push rod; 5. Pressure sensor; 6. Vacuum pump; 7. Connecting hose; 8. Slide groove; 9. Motor; 10. Lead screw; 11. Slide plate; 12. Clamping plate; 13. L-shaped plate; 14. Extrusion wheel; 15. Connecting frame; 16. Connecting pipe; 17. Spring; 18. Cylinder; 19. Pull plate; 20. Limiting rod; 21. Clamping groove; 22. Limiting hole. Detailed Implementation
[0025] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0026] See attached document Figure 1 -Appendix Figure 5 The present invention provides a pressure-controllable housing assembly fixture, including a connecting plate 1, a sliding groove 8 at the bottom of the connecting plate 1, and two positioning mechanisms at the bottom of the connecting plate 1;
[0027] The positioning mechanism includes a lead screw 10, which is located inside a slide groove 8 and connected to the inner wall of the slide groove 8 via a bearing. The threads on both sides of the lead screw 10 have opposite directions. A motor 9 is fixedly mounted on one side of the connecting plate 1, and the output end of the motor 9 is fixedly connected to the lead screw 10. Slide plates 11 are threaded onto both sides of the lead screw 10. A slot 21 is provided on one side of the slide plate 11, and a retaining plate 12 is provided inside the slot 21. A limit hole 22 is provided on one side of the retaining plate 12, and an L-shaped plate 13 is fixedly connected to one side of the retaining plate 12. Multiple extrusion rollers 14 are connected to one side of the L-shaped plate 13 via a bearing. A fixing component is provided on one side of the slide plate 11. The slide plate 11 slides inside the slide groove 8. The outer surface of the extrusion rollers 14 is covered with a rubber soft layer. The slot 21 and the retaining plate 12 are slidably connected.
[0028] In this embodiment, by starting the motor 9, the motor 9 controls the lead screw 10 to rotate, the lead screw 10 drives the slide plate 11 to move, the slide plate 11 drives the clamping plate 12 to move, the clamping plate 12 drives the L-shaped plate 13 to move, and the L-shaped plate 13 drives the extrusion roller 14 to move. The extrusion rollers 14 on both sides move closer to each other and limit and fix the outer shell. Then, the slide plates 11 on the other two sides are started to move closer to each other, so that the clamping plates 12 on the other two sides drive the L-shaped plate 13 and the extrusion roller 14 to move. Since the side of the outer shell is pressed and fixed by the extrusion roller 14, the extrusion roller 14 can rotate, so that when the L-shaped plate 13 and the extrusion roller 14 on the other two sides clamp the outer shell, they push the outer shell to move, so that the outer shell is fixed and limited at the center position of the bottom of the connecting plate 1.
[0029] To achieve the purpose of fixation, this device adopts the following technical solution: The fixing component includes a connecting frame 15, which is fixedly mounted on one side of the slide plate 11. A pull plate 19 is provided on one side of the connecting frame 15, and a connecting pipe 16 is fixedly connected to one side of the pull plate 19. The connecting pipe 16 passes through the connecting frame 15, and a cylinder 18 is fixedly connected to one end of the connecting pipe 16. A limit rod 20 is fixedly connected to one end of the cylinder 18. A spring 17 is sleeved on the outside of the connecting pipe 16, and the limit rod 20 passes through the slide plate 11. The limiting rod 20 extends into the limiting hole 22. By pulling the pull plate 19, the pull plate 19 drives the connecting tube 16 to move. The spring 17 outside the connecting tube 16 is compressed, and the connecting tube 16 drives the cylinder 18 to move. The cylinder 18 drives the limiting rod 20 to move, so that the limiting rod 20 leaves the limiting hole 22. The clamping plate 12 is no longer limited. At this time, the clamping plate 12, together with the L-shaped plate 13 and the extrusion wheel 14, can be removed. Then, it can be flipped so that the L-shaped plate 13 and the extrusion wheel 14 face outward. Then, the clamping plate 12 is limited and fixed by the limiting rod 20 of the fixing component.
[0030] To achieve pressure control, the device employs the following technical solution: a fixed frame 3 is provided on the top of the connecting plate 1, and a hydraulic push rod 4 is fixedly installed inside the fixed frame 3. The output end of the hydraulic push rod 4 is fixedly connected to the connecting plate 1. A pressure sensor 5 is installed on one side of the hydraulic push rod 4. When the hydraulic push rod 4 is activated, it controls the connecting plate 1 to move downward, thereby assembling the outer shell. The pressure sensor 5 detects the assembly pressure, monitors the pressure value in real time during the assembly process, and feeds the data back to the main control unit through a closed-loop control system. The system can preset a pressure threshold. When the actual pressure exceeds or falls below the set range, the adjustment mechanism is automatically triggered, and the assembly pressure of the connecting plate 1 is controlled by the hydraulic push rod 4.
[0031] To achieve the adsorption purpose, the device adopts the following technical solution: the top of the connecting plate 1 is provided with a suction cup assembly, the suction cup assembly includes a vacuum pump 6, the vacuum pump 6 is fixedly mounted on the top of the fixing frame 3, the output end of the vacuum pump 6 is fixedly connected to a connecting hose 7, the end of the connecting hose 7 is fixedly connected to a suction cup 2, the suction cup 2 penetrates the connecting plate 1, the vacuum pump 6 is started, the vacuum pump 6 adsorbs and fixes the outer shell through the connecting hose 7 and the suction cup 2 at the bottom.
[0032] The usage process of this utility model is as follows: When using this utility model, the fixing frame 3 is installed on the robotic arm with bolts. The robotic arm controls the movement of the fixture. By starting the motor 9, the motor 9 controls the lead screw 10 to rotate. The lead screw 10 drives the slide plate 11 to move. The slide plate 11 drives the clamping plate 12 to move. The clamping plate 12 drives the L-shaped plate 13 to move. The L-shaped plate 13 drives the extrusion roller 14 to move. The extrusion rollers 14 on both sides move closer to each other and limit and fix the outer shell. Then, the slide plates 11 on the other two sides are started to move closer to each other, so that the clamping plates 12 on the other two sides drive the L-shaped plate 13 and the extrusion roller 14 to move. Since the side of the outer shell is pressed and fixed by the extrusion roller 14, the extrusion roller 14 can rotate, so that when the L-shaped plate 13 and the extrusion roller 14 on the other two sides clamp the outer shell, they push the outer shell to move, so that the outer shell is fixed and limited at the center position of the bottom of the connecting plate 1. Figure 2 As shown, the L-shaped plate 13 and the extrusion roller 14 face the center of the connecting plate 1. The positions of the L-shaped plate 13 and the extrusion roller 14 are adjustable. By pulling the pull plate 19, the pull plate 19 drives the connecting tube 16 to move. The spring 17 outside the connecting tube 16 is compressed, and the connecting tube 16 drives the cylinder 18 to move. The cylinder 18 drives the limiting rod 20 to move, so that the limiting rod 20 leaves the limiting hole 22. The clamping plate 12 is no longer limited. At this time, the clamping plate 12, along with the L-shaped plate 13 and the extrusion roller 14, can be removed. Then, it can be flipped so that the L-shaped plate 13 and the extrusion roller 14 face outward. Then, the clamping plate 12 is limited and fixed by the limiting rod 20 of the fixing component. At this time, the motor 9 is started. The motor 9 controls the lead screw 10 to rotate. The lead screw 10 drives the slide plate 11 to move. The slide plate 11 carries... The moving plate 12 moves, which in turn moves the L-shaped plate 13. The L-shaped plate 13 then moves the extrusion rollers 14. By moving the extrusion rollers 14 away from each other, the outer shell can be supported and fixed from the inside, making it highly practical. At this time, the vacuum pump 6 is started. The vacuum pump 6 uses the connecting hose 7 and the suction cup 2 at the bottom to adsorb and fix the outer shell. The hydraulic push rod 4 is started, which controls the connecting plate 1 to move down, thereby assembling the outer shell. The pressure sensor 5 detects the assembly pressure, monitors the pressure value in real time during the assembly process, and feeds the data back to the main control unit through the closed-loop control system. The system can preset the pressure threshold. When the actual pressure exceeds or falls below the set range, the adjustment mechanism is automatically triggered, and the assembly pressure of the connecting plate 1 is controlled by the hydraulic push rod 4.
[0033] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.
Claims
1. A pressure-controllable housing assembly fixture, comprising a connecting plate (1), characterized in that: The bottom of the connecting plate (1) is provided with a sliding groove (8), and the bottom of the connecting plate (1) is provided with two positioning mechanisms; The positioning mechanism includes a lead screw (10), which is located inside the slide groove (8) and connected to the inner wall of the slide groove (8) via a bearing. The threads on both sides of the lead screw (10) are rotated in opposite directions. A motor (9) is fixedly installed on one side of the connecting plate (1). The output end of the motor (9) is fixedly connected to the lead screw (10). Slide plates (11) are threaded on both sides of the lead screw (10). A slot (21) is opened on one side of the slide plate (11). A retaining plate (12) is provided inside the slot (21). A limiting hole (22) is opened on one side of the retaining plate (12). An L-shaped plate (13) is fixedly connected to one side of the retaining plate (12). Multiple extrusion rollers (14) are connected to one side of the L-shaped plate (13) via a bearing. A fixing component is provided on one side of the slide plate (11).
2. The pressure-controllable housing assembly fixture according to claim 1, characterized in that: The fixing component includes a connecting frame (15), which is fixedly mounted on one side of the slide plate (11). A pull plate (19) is provided on one side of the connecting frame (15), and a connecting pipe (16) is fixedly connected to one side of the pull plate (19). The connecting pipe (16) passes through the connecting frame (15), and a cylinder (18) is fixedly connected to one end of the connecting pipe (16). A limit rod (20) is fixedly connected to one end of the cylinder (18). A spring (17) is sleeved on the outside of the connecting pipe (16). The limit rod (20) passes through the slide plate (11) and extends into the limit hole (22).
3. The pressure-controllable housing assembly fixture according to claim 1, characterized in that: The slide plate (11) slides inside the groove (8).
4. The pressure-controllable housing assembly fixture according to claim 1, characterized in that: The top of the connecting plate (1) is provided with a fixing frame (3), and a hydraulic push rod (4) is fixedly provided inside the fixing frame (3). The output end of the hydraulic push rod (4) is fixedly connected to the connecting plate (1).
5. The pressure-controllable housing assembly fixture according to claim 4, characterized in that: A pressure sensor (5) is installed on one side of the hydraulic push rod (4).
6. The pressure-controllable housing assembly fixture according to claim 1, characterized in that: The top of the connecting plate (1) is provided with a suction cup assembly, which includes a vacuum pump (6). The vacuum pump (6) is fixedly mounted on the top of the mounting frame (3). The output end of the vacuum pump (6) is fixedly connected to a connecting hose (7). The end of the connecting hose (7) is fixedly connected to a suction cup (2). The suction cup (2) penetrates the connecting plate (1).
7. The pressure-controllable housing assembly fixture according to claim 1, characterized in that: The outer surface of the extrusion wheel (14) is covered with a soft rubber layer.
8. The pressure-controllable housing assembly fixture according to claim 1, characterized in that: The card slot (21) is slidably connected to the card plate (12).