Automatic assembling equipment for dumbbell-shaped sealing rings

Abstract

The utility model discloses dumbbell-shaped sealing ring automatic assembling equipment which comprises a feeding mechanism, a double-station workbench and an assembling mechanism, the assembling mechanism comprises a rack, a pneumatic jacking mechanism, a support, a press-fitting mechanism, a pneumatic lifting mechanism and a pneumatic sliding table, and the support and the pneumatic jacking mechanism are respectively connected with the top of the rack. The pneumatic lifting mechanism is connected with the pneumatic sliding table in a sliding mode, the press-fitting mechanism is connected with the pneumatic lifting mechanism and comprises a mounting plate, lifting air cylinders, a tool limiting plate, a quick-change female head, a quick-change tool and a baffle, the lifting air cylinders are arranged on the two sides of the mounting plate respectively, and mounting bases at the output ends of the lifting air cylinders are connected with the top of the tool limiting plate; the quick-change female head is connected with the bottom of the mounting plate, and the top end of the quick-change tool penetrates through the tool limiting plate and is connected with the quick-change female head in a matched mode. According to the assembling equipment, automatic feeding and automatic assembling of the sealing rings are achieved, compatibility of various models is achieved, the working process is simplified, the production mode is optimized, efficiency is improved, quality is improved, and cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dumbbell-shaped sealing ring assembly, in particular to a dumbbell-shaped sealing ring automatic assembly device. Background Art

[0002] At present, most dumbbell-shaped seals are assembled manually, which has low production efficiency, complicated operation, easy scratching of the seal, and excessive local deformation will cause irreversible deformation or even failure of the seal, and the product quality is uncontrollable. In particular, it is difficult to detect scratches on seals, the process is uncontrollable, and the product qualification rate and service life cannot be guaranteed.

[0003] The main reasons for these problems and shortcomings are as follows: (1) Manual assembly and many operating procedures lead to low production efficiency; (2) Due to the characteristics of the sealing ring itself, it is easy to be scratched during the assembly process, and the seal fails to a certain extent, making it difficult to guarantee the quality and service life; (3) Manual assembly leads to uneven force on the sealing ring during deformation, causing stress concentration, which will locally exceed the limit of elastic deformation and cause irreversible damage. Utility Model Content

[0004] The utility model aims to provide an automatic assembly device for dumbbell-shaped sealing rings, which solves the problem of automatic assembly of dumbbell-shaped sealing rings. The assembly device realizes automatic feeding and assembly of sealing rings, is compatible with multiple models, simplifies the work process, optimizes the production method, improves efficiency, improves quality, and reduces costs.

[0005] The technical solution adopted by the utility model to solve its technical problems is: an automatic assembly equipment for dumbbell-shaped sealing rings, whose structure includes a feeding mechanism, a double-station workbench, and an assembly mechanism. The assembly mechanism includes a bench, a pneumatic lifting mechanism, a bracket, a press-fitting mechanism, a pneumatic lifting mechanism and a pneumatic slide. The bracket and the pneumatic lifting mechanism are respectively connected to the top of the bench, the pneumatic slide is arranged on the upper part of one side of the bracket, the pneumatic lifting mechanism is slidably connected to the pneumatic slide, the press-fitting mechanism is connected to the pneumatic lifting mechanism, the press-fitting mechanism includes a mounting plate, a lifting cylinder, a tooling limit plate, a quick-change female head, a quick-change tooling and a baffle. Lifting cylinders are respectively arranged on both sides of the mounting plate, the output end mounting seat of the lifting cylinder is connected to the top of the tooling limit plate, the baffle is arranged at the bottom of the tooling limit plate, the quick-change female head is connected to the bottom of the mounting plate, and the top of the quick-change tooling passes through the tooling limit plate and is matched with the quick-change female head.

[0006] Furthermore, the quick-change tooling includes a claw, a flange, a quick-change male head, a compression spring, a pin shaft, a pressure plate, a positioning tooling and a transition connection flange, the claw is arranged in the flange slide groove, the pressure plate is connected to the flange, the compression spring is arranged in the flange slide groove, the pin shaft is arranged on the outer circular surface of the flange and passes through the compression spring, the positioning tooling is connected to the lower part of the transition connection flange, the quick-change male head is connected to the top end of the transition flange, and the transition connection flange is slidably connected to the pressure plate up and down.

[0007] Furthermore, a groove is provided at the bottom of the tooling limiting plate, and the quick-change tooling is arranged in the groove.

[0008] Furthermore, the feeding mechanism includes a vibrating plate, a frame, a toothed limit plate, a straight vibrator and a material channel. The vibrating plate and the straight vibrator are respectively connected to the top of the frame, the material channel is arranged at the top of the straight vibrator, the material channel is connected to the discharge port of the vibrating plate, and the toothed limit plate is arranged at the top of the free end of the material channel.

[0009] Furthermore, the double-station workbench includes a workbench, a pneumatic slide and an assembly tool, the pneumatic slide is connected to the top of the workbench, and the assembly tool is slidably connected to the pneumatic slide.

[0010] Furthermore, the pneumatic lifting mechanism includes a bracket, a lifting cylinder and a lifting tool, the bracket is connected to the top of the platform, the lifting cylinder is connected to the bracket, and the lifting tool is connected to the telescopic end of the lifting cylinder.

[0011] Beneficial effects of the utility model:

[0012] The assembly equipment of the utility model combines the characteristics of dumbbell-shaped sealing ring products. During the assembly process, the assembled product is initially limited by a toothed limiting plate, and then the product to be assembled is secondarily positioned by a positioning tool. The positioning accuracy is high, and the downward pressure cylinder presses the sealing ring down along the outer contour of the positioning tool. The sealing ring is uniformly deformed in the circumferential direction, the deformation is uniform, there is no stress concentration, the assembly time is short, the risk of deformation of the seal assembly is reduced to the limit, the product quality is stable, and the qualified rate is high.

[0013] Since the quick-change tooling is connected to the quick-change male head and the quick-change female head, the sealing rings of various products can be pressed by only replacing the tooling. It has a wide range of applications, simplifies the work process and reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is an axonometric view of the present invention from another angle;

[0016] Figure 3 It is a structural schematic diagram of the feeding mechanism;

[0017] Figure 4 It is the front view of the assembly mechanism;

[0018] Figure 5 for Figure 4 axonometric drawing;

[0019] Figure 6 It is a structural schematic diagram of the pneumatic lifting mechanism;

[0020] Figure 7 It is a structural schematic diagram of the press-fitting mechanism;

[0021] Figure 8 It is the front view of the press-fitting mechanism;

[0022] Fig. 9 This is the axonometric drawing of the quick-change fixture;

[0023] Fig.10 It is a cross-sectional view of the quick-change tooling;

[0024] Fig.11 It is a structural diagram of a double-station workbench.

[0025] In the figure:

[0026] 1 feeding mechanism, 11 vibrating plate, 12 frame, 13 toothed limit plate, 14 straight vibrator, 15 material channel,

[0027] 2 assembly mechanism, 21 stand, 22 pneumatic lifting mechanism, 221 bracket, 222 lifting cylinder, 223 lifting tooling,

[0028] 23 bracket, 24 press-fit mechanism, 241 mounting plate, 242 lifting cylinder, 243 tooling limit plate, 244 quick-change female head, 245 quick-change tooling, 2451 claw, 2452 flange, 2453 quick-change male head, 2454 compression spring, 2455 pin, 2456 pressure plate, 2457 positioning tooling, 2458 transition connection flange, 246 baffle,

[0029] 25 pneumatic lifting mechanism, 26 pneumatic slide,

[0030] 3 double-station workbench, 31 workbench, 32 pneumatic slide, 33 assembly tooling. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] like Figures 1 to 11 As shown: a dumbbell-shaped sealing ring automatic assembly equipment, the structure of which includes a feeding mechanism 1, a double-station workbench 3 and an assembly mechanism 2, the assembly mechanism 2 includes a stand 21, a pneumatic lifting mechanism 22, a bracket 23, a press-fitting mechanism 24, a pneumatic lifting mechanism 25 and a pneumatic slide 26, the bracket 23 and the pneumatic lifting mechanism 25 are respectively connected to the top of the stand 21, the pneumatic slide 26 is arranged on the upper part of one side of the bracket 23, the pneumatic lifting mechanism 25 is slidably connected to the pneumatic slide 26, and the press-fitting mechanism 24 is connected to the pneumatic lifting mechanism 25. Figure 7 As shown, the pressing mechanism 24 includes a mounting plate 241, a lifting cylinder 242, a tooling limit plate 243, a quick-change female head 244, a quick-change tooling 245 and a baffle 246. The lifting cylinders 242 are respectively provided on both sides of the mounting plate 241. The output end mounting seat of the lifting cylinder is connected to the top of the tooling limit plate 243. The baffle 246 is arranged at the bottom of the tooling limit plate 243. The quick-change female head 244 is connected to the bottom of the mounting plate 241. The top of the quick-change tooling 245 passes through the tooling limit plate 243 and is connected with the quick-change female head.

[0033] like Fig. 9 , Fig.10 As shown, the quick-change tool 245 includes a claw 2451, a flange 2452, a quick-change male head 2453, a compression spring 2454, a pin 2455, a pressure plate 2456, a positioning tool 2457 and a transition connection flange 2458. The claw 2451 is arranged in the slide groove of the flange 2452, the pressure plate 2456 is connected to the flange, the compression spring 2454 is arranged in the slide groove of the flange, the pin 2455 is arranged on the outer circumferential surface of the flange and passes through the compression spring 2454, and the flange is limited by the pin passing through the compression spring, the positioning tool 2457 is connected to the lower part of the transition connection flange 2458, the quick-change male head 2453 is connected to the top of the transition connection flange, and the transition connection flange is connected to the pressure plate 2456 by sliding up and down. The positioning tool 2457 is connected to the lower side of the transition connection flange 2458, and after the connection is completed, the whole passes through the center hole of the pressure plate 2456, and the transition connection flange slides up and down in the center hole of the pressure plate.

[0034] The bottom of the tooling limit plate 243 is provided with a groove, and the quick-change tooling is arranged in the groove. When taking materials, the quick-change tooling 245 is pressed down to put the dumbbell-shaped sealing ring on the outer circle of the positioning tooling; when pressing, the inner circle surface of the positioning tooling contacts the workpiece and is connected as a whole. Under the action of the lifting cylinder, the claw 2451 moves downward along the axis direction, the dumbbell-shaped sealing ring expands, and the claw moves outward along the slot direction. The claw is close to the positioning tooling, and the dumbbell-shaped sealing ring is pressed into the workpiece slot, and is returned after installation.

[0035] The function of the press-fitting mechanism 24 is to realize the dumbbell-shaped sealing ring picking and assembly functions; the function of the pneumatic lifting mechanism 25 drives the press-fitting mechanism 24 to rise and fall at the picking and assembly station to complete the picking and assembly; the function of the pneumatic slide 32 is to make the pneumatic lifting mechanism 25 and the press-fitting mechanism 24 reciprocate between the picking station and the assembly tooling; the function of the pneumatic lifting mechanism 22 is to lift the positioned sealing ring to facilitate grabbing; the function of the bracket 221 is to fix the pneumatic slide; the stand 21 is used to fix the bracket and the pneumatic lifting mechanism.

[0036] The pneumatic lifting mechanism 22 lifts the positioned dumbbell-shaped sealing ring to a certain height; the lifting mechanism descends together with the pressing mechanism, and after reaching the positioning tooling on the pneumatic lifting mechanism, the dumbbell-shaped sealing ring is pressed into the outer circle of the guide tooling and tightened to complete the material picking action; after the material picking action is completed, the pneumatic lifting mechanism returns to its original position, and at the same time, the pneumatic slide drives the lifting mechanism and the pressing mechanism to move forward, and moves to the top of the workpiece on the pressing workbench, the lifting mechanism descends, and the pressing mechanism first performs secondary positioning on the workpiece, and presses the sealing ring into the workpiece mounting groove; the lifting mechanism rises, and the pneumatic slide returns to its original position.

[0037] By replacing the quick-change tool 245, different types of dumbbell-shaped sealing rings can be pressed. The operation steps are as follows: After the equipment is shut down, remove the quick-change male head from the equipment, take out the positioning tool as a whole, and then take out the flange as a whole from the slot, replace the corresponding model, and connect the quick-change connector after the replacement is completed.

[0038] like Figure 3 As shown, the feeding mechanism 1 includes a vibration plate 11, a frame 12, a toothed limit plate 13, a straight vibrator 14 and a material channel 15. The vibration plate 11 and the straight vibrator 14 are respectively connected to the top of the frame 12 by bolts. The material channel 15 is arranged at the top of the straight vibrator 14. The material channel 15 is connected to the discharge port of the vibration plate 11. The free end of the material channel 15 is connected to the assembly mechanism 2. The toothed limit plate 13 is arranged at the top of the free end of the material channel by spring bolts. The toothed limit plate accurately positions the seal. When changing production, the toothed plate is manually lifted and rotated 180° for displacement to meet the needs of different models. The function of the frame 12 is to fix the vibration plate 11 and the straight vibrator 14. The function of the vibration plate is to arrange the seals of different postures in order. The function of the straight vibrator is to smoothly transport the neatly stacked seals to the loading station. The function of the toothed limit plate 13 is to position the seals for subsequent grabbing.

[0039] Working process: manually put the dumbbell-shaped sealing ring into the vibration plate. Through the action of the vibration plate and the straight vibrator, the dumbbell-shaped sealing ring adjusts its posture and moves to the end of the material channel. The toothed limit plate is positioned and waits for loading.

[0040] like Fig.11As shown, the double-station workbench 3 includes a workbench 31, a pneumatic slide 32 and an assembly tool 33. The pneumatic slide 32 is connected to the top of the workbench 31, and the assembly tool 33 is slidably connected to the pneumatic slide 32. The assembly tool 33 on the pneumatic slide 32 has two stations. When one station is assembled, the pneumatic slide moves horizontally, and the other station continues to assemble. While the other station is assembling, the assembled workpiece can be unloaded and the unassembled workpiece can be loaded.

[0041] The pneumatic lifting mechanism 22 includes a bracket 221, a lifting cylinder 222 and a lifting tool 223. The bracket 221 is connected to the top of the platform 21, the lifting cylinder 222 is connected to the bracket, and the lifting tool 223 is connected to the telescopic end of the lifting cylinder 222. The lifting cylinder drives the lifting tool to move upward, thereby lifting the sealing ring to wait for the clamping mechanism to clamp the sealing ring.

[0042] The dumbbell seal ring automatic assembly equipment of the utility model realizes the automatic assembly of dumbbell seal rings by adopting structures such as vibration plate automatic feeding mechanism, toothed plate limit, pneumatic lifting mechanism, transplanting mechanism, automatic assembly mechanism, double-station loading and unloading mechanism, etc. The equipment runs smoothly, the deformation of the seal ring during assembly is small and uniform, there is no concentrated stress, and the assembly quality is stable.

[0043] The above description is only used to illustrate some principles of the utility model. This specification is not intended to limit the utility model to the specific structure and application scope shown and described. Therefore, all corresponding modifications and equivalents that may be used belong to the patent scope applied for the utility model.

[0044] Except for the technical features described in the specification, the other technical features are known technologies to those skilled in the art.

Claims

1. An automatic assembly equipment for dumbbell-shaped sealing rings, comprising a feeding mechanism and a double-station workbench, characterized in that: It also includes an assembly mechanism, which includes a workbench, a pneumatic lifting mechanism, a bracket, a press-fitting mechanism, a pneumatic lifting mechanism and a pneumatic slide. The bracket and the pneumatic lifting mechanism are respectively connected to the top of the workbench, and the pneumatic slide is arranged on the upper part of one side of the bracket. The pneumatic lifting mechanism is slidably connected to the pneumatic slide, and the press-fitting mechanism is connected to the pneumatic lifting mechanism. The press-fitting mechanism includes a mounting plate, a lifting cylinder, a tooling limit plate, a quick-change female head, a quick-change tooling and a baffle. Lifting cylinders are respectively provided on both sides of the mounting plate. The output end mounting seat of the lifting cylinder is connected to the top of the tooling limit plate, and the baffle is arranged at the bottom of the tooling limit plate. The quick-change female head is connected to the bottom of the mounting plate, and the top of the quick-change tooling passes through the tooling limit plate and is connected with the quick-change female head.

2. The dumbbell-shaped sealing ring automatic assembly equipment according to claim 1 is characterized in that: The quick-change tooling includes a claw, a flange, a quick-change male head, a compression spring, a pin shaft, a pressure plate, a positioning tooling and a transition connection flange. The claw is arranged in the flange slide groove, the pressure plate is connected to the flange, the compression spring is arranged in the flange slide groove, the pin shaft is arranged on the outer cylindrical surface of the flange and passes through the compression spring, the positioning tooling is connected to the lower part of the transition connection flange, the quick-change male head is connected to the top end of the transition connection flange, and the transition connection flange is connected to the pressure plate for up and down sliding.

3. The dumbbell-shaped sealing ring automatic assembly equipment according to claim 1 is characterized in that: A groove is provided at the bottom of the tooling limiting plate, and the quick-change tooling is arranged in the groove.

4. The dumbbell-shaped sealing ring automatic assembly equipment according to claim 1 is characterized in that: The feeding mechanism includes a vibrating plate, a frame, a toothed limit plate, a straight vibrator and a material channel. The vibrating plate and the straight vibrator are respectively connected to the top of the frame, the material channel is arranged at the top of the straight vibrator, the material channel is connected to the discharge port of the vibrating plate, and the toothed limit plate is arranged at the top of the free end of the material channel.

5. The dumbbell-shaped sealing ring automatic assembly equipment according to claim 1 is characterized in that: The double-station workbench comprises a workbench, a pneumatic slide and an assembly tool, the pneumatic slide is connected to the top of the workbench, and the assembly tool is slidably connected to the pneumatic slide.

6. The dumbbell-shaped sealing ring automatic assembly equipment according to claim 1 is characterized in that: The pneumatic lifting mechanism comprises a bracket, a lifting cylinder and a lifting tool, wherein the bracket is connected to the top of the platform, the lifting cylinder is connected to the bracket, and the lifting tool is connected to the telescopic end of the lifting cylinder.

Images