Automatic press-fitting equipment for compression spring support blocks

Abstract

This invention relates to an automatic press-fitting device for compression spring support blocks, and particularly to the field of shell processing equipment technology. It includes a conveying device for progressively installing the compression spring and support block followed by unloading, a support block loading and assembly device, and a spring loading and assembly device. This overcomes the shortcomings of current shell processing equipment, such as poor workflow coordination, lack of closed-loop control throughout the entire process, high manual intervention, and high labor intensity, which makes it difficult to meet the demands of automated continuous production of precision shells with large volumes and high reliability.

Description

Technical Field

[0001] This invention relates to the field of shell processing equipment technology, and in particular to an automatic pressing device for compression spring support blocks. Background Technology

[0002] In the assembly of precision valves, oil pumps, and other housing-type parts, the press-fitting process of support blocks and springs often relies on manual labor or semi-automated equipment, resulting in low assembly efficiency, poor positioning accuracy, and insufficient press-fitting consistency. Traditional processes require manual completion of material distribution, alignment, press-fitting, and inspection, which easily leads to defects such as incomplete press-fitting of support blocks and missing or incorrectly installed springs. Existing automated equipment is mostly of a split structure. The connection between the multi-station material distribution, coaxial riveting, online detection and spring-tube feeding and pressing processes of the support block is not smooth. It lacks closed-loop control of the whole process, with high manual participation and high labor intensity, making it difficult to meet the needs of large-scale, high-reliability automated continuous production of precision shells. Summary of the Invention

[0003] (1) Technical problems to be solved This invention provides an automatic press-fitting device for compression spring support blocks, which overcomes the problems of poor connection of press-fitting processes, lack of closed-loop control of the whole process, high degree of manual participation, high labor intensity, and difficulty in meeting the needs of large-scale, high-reliability automated continuous production of precision shells.

[0004] (2) Technical solution To solve the above-mentioned technical problems, the present invention provides an automatic pressing device for a compression spring support block, comprising: frame; A conveying device, installed on the frame, is used to gradually install the compression spring and support block before discharging the material; the conveying device is provided with a tooling position for installing the housing; the housing installed at the tooling position is provided with an assembly position for assembling the compression spring and support block; A support block feeding and assembly device is installed on the frame and is used to feed the support blocks and assemble them to the assembly station. A spring feeding and assembly device is installed on the frame and is used to feed springs and assemble them onto the support block of the assembly station. The support block feeding assembly device and the spring feeding assembly device are arranged sequentially along the conveying direction of the conveying device.

[0005] Preferably, the support block feeding and assembly device includes: A support block feeding device is installed on the frame and located on one side of the conveying device, and is used to feed the support blocks one by one; A material handling device, installed on the frame, is used to pick up the material from the discharge end of the support block material distribution device and move it above the assembly station; A pressing device, installed above the frame, is used to position and assemble the support block at the picking end of the picking device to the assembly station; A support block detection device is installed on the frame to detect whether the support blocks installed on the tooling position meet the preset range.

[0006] Preferably, the support block dispensing device: A support block feeding assembly is installed on the frame and located on one side of the conveying device, and is used to feed support blocks; A turntable is rotatably mounted above the frame, and the turntable has multiple material placement positions, the size of which matches the size of the support block; A turntable drive unit, mounted on the frame, is used to drive the material placement position on the turntable to rotate and align with the support block at the discharge end of the support block feeding assembly. The alignment component, mounted on the frame and located on one side of the turntable, is used to accurately transport the support block at the discharge end of the feeding component to the placement position.

[0007] Preferably, the alignment component includes: The locking block slides horizontally on the upper end of the turntable, and the locking block is provided with a receiving end and a blocking end; A card block drive unit is installed on one side of the turntable and is used to drive the receiving end or blocking end of the card block to align with the discharge end of the feeding assembly.

[0008] Preferably, the material handling device includes: Mounting plate; The material-grabbing splitter is installed below the mounting plate and is used to grab multiple support blocks located on the turntable at one time. The material-grabbing splitter is a combination of two half-tubes, and the upper ends of the two half-tubes are fixed to the bottom of the mounting plate. Multiple limiting grooves are evenly provided on the outer wall of the material-grabbing splitter, and the limiting grooves are used to fit rubber bands. A material handling drive unit is installed on the frame and is used to drive the material handling split tube to pick up the support block installed on the turntable; the output end of the material handling drive unit is connected to the material handling split tube; the output end of the material handling drive unit is connected to the mounting plate.

[0009] Preferably, the pressing device includes: A pressure rod is slidably connected inside the material-receiving split tube and coaxially arranged with the material-receiving split tube, used to push out the support block clamped at the bottom of the material-receiving split tube; A pressure rod drive unit is installed above the mounting plate and is used to drive the pressure rod to assemble the support block onto the assembly station.

[0010] Preferably, the spring feeding assembly device includes: A spring feeding and assembly mechanism is installed on the frame and is used to feed springs and assemble them onto the mounting surface at the upper end of the assembly station support block. A testing device, installed on the frame, is used to test whether the installed springs meet the preset range.

[0011] Preferably, the spring feeding assembly device includes: A guide block, installed above the frame, is used to position and feed the springs; the guide block has two material channels inside, including a first material channel inclined towards the discharge end of the guide block and a second material channel coaxial with the assembly station; the discharge end of the second material channel and the first material channel is the same discharge end; A guide tube is installed at the discharge end of the guide block; the guide tube is provided with a third material channel for conveying springs, and the third material channel is coaxially arranged with the assembly station; The push rod is slidably connected inside the second and third material channels. When pressed down, its bottom push end abuts against the upper end of the spring. A push rod drive unit, installed above the frame, is used to push the spring at the discharge end of the first material channel, which is used to feed the material, onto the mounting surface of the support block that has been installed at the assembly station.

[0012] (3) Beneficial effects This invention provides an automatic press-fitting device for compression spring support blocks, which overcomes the problems of poor connection of press-fitting processes, lack of closed-loop control of the whole process, high degree of manual participation, high labor intensity, and difficulty in meeting the needs of large-scale, high-reliability automated continuous production of precision shells.

[0013] 1. This invention, by setting up a material-receiving split tube and adopting a structure combining two semi-circular split tubes with rubber bands, and by setting a pressure rod inside the material-receiving split tube to push the support block to a preset position, enables the device to complete the material-receiving and positioning pressing process simultaneously, saving space and further improving economic efficiency.

[0014] 2. In the spring feeding and assembly device of the present invention, by adopting a first material channel, which is a feeding channel, and setting a second material channel, which is a pressing channel, the device can complete the material picking and pushing assembly process at the same time, saving space and further improving the economic efficiency of the shell production.

[0015] 3. This invention improves feeding efficiency by setting up a support block material distribution device, which provides rotating and alternating multi-material feeding, while also having a limiting and guiding function. This, combined with the subsequent material picking and splitting of the tube, enables rapid and accurate feeding.

[0016] 4. This invention solves the problems of high labor intensity, low production efficiency, low product yield, and difficulty in ensuring product quality in the past shell assembly operations by setting up a full-process support block and spring automatic feeding assembly device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an automatic pressing device for a compression spring support block proposed in this invention; Figure 2 This is a schematic diagram of the support block material distribution device in this invention; Figure 3 In this invention Figure 2 A schematic diagram of the enlarged portion at point A; Figure 4 This is a schematic diagram of the material handling device in this invention; Figure 5 This is a schematic diagram of the material extraction split tube in this invention; Figure 6 This is a schematic diagram of the spring feeding assembly mechanism in this invention; Figure 7 In this invention Figure 6 Detailed illustration; Reference numerals: 1. Frame; 2. Conveying device; 3. Tooling position; 5. Support block feeding assembly device; 51. Support block distributing device; 511. Support block feeding assembly; 512. Turntable; 513. Turntable drive component; 514. Alignment assembly; 5141. Clamping block; 5142. Clamping block drive component; 52. Material picking device; 521. Mounting plate; 522. Material picking tube; 523. Material picking drive component; 53. Pressing device; 531. Pressing rod; 532. Pressing rod drive component; 54. Support block detection device; 6. Spring feeding assembly device; 61. Spring feeding assembly mechanism; 611. Guide block; 6111. First material channel; 6112. Second material channel; 612. Guide tube; 613. Push rod; 614. Push rod drive component; 62. Detection device. Detailed Implementation

[0018] The present invention will be further described in conjunction with the accompanying drawings and embodiments.

[0019] like Figures 1-7 As shown, the automatic pressing device for a compression spring support block according to the present invention includes: Rack 1; The conveying device 2 is installed on the frame 1 and is used to gradually install the compression spring and the support block before discharging the material; the conveying device 2 is provided with a tooling position 3 for installing the housing; the housing installed on the tooling position 3 is provided with an assembly position 4 for assembling the compression spring and the support block. A support block feeding and assembly device 5 is installed on the frame 1 and is used to feed the support blocks and assemble them onto the assembly station 4. In the specific implementation of the present invention, the assembly station 4 is the position of the four positioning columns inside the shell. The support blocks are fed and assembled into the shell by the support block feeding and assembly device 5. A support block detection device 54 is provided downstream of the support block feeding and assembly device 5 to detect whether the support blocks are all installed in place. Since this is not the main inventive point of the present invention, it will not be described in detail here. Spring feeding and assembly device 6 is installed on the frame 1 and is used to feed springs and assemble them onto the support block of the assembly station 4; The support block feeding assembly device 5 and the spring feeding assembly device 6 are arranged sequentially along the conveying direction of the conveying device 2.

[0020] The support block feeding and assembly device 5 includes: The support block feeding device 51 is installed on the frame 1 and located on one side of the conveying device 2, and is used to feed the support blocks one by one. The material picking device 52 is installed on the frame 1 and is used to pick up the material from the discharge end of the support block distributing device 51 and move it above the assembly station 4. During this process, when the material picking device 52 moves the support block to the assembly station 4, the positioning hole at the bottom of the support block is aligned with the positioning post on the housing, so that the subsequent pressing device 53 can quickly and accurately press the support block into the positioning post. The pressing device 53 is installed above the frame 1 and is used to position and assemble the support block at the picking end of the picking device 52 to the assembly station 4 of the tooling position. The support block detection device 54 is installed on the frame 1 and is used to detect whether the support block installed on the tooling position meets the preset range. The support block can be quickly detected by common detection cameras or detection rods. The support block detection device 54 is the prior art and will not be described in detail here.

[0021] The support block distribution device 51: The support block feeding assembly 511 is installed on the frame 1 and located on one side of the conveying device 2, and is used to feed the support blocks. The support block feeding assembly 511 includes a support block vibrating unloading plate and a conveying channel. In the specific implementation of the present invention, the area occupied by the device is saved by setting two vertical support block channels. A turntable 512 is rotatably mounted above the frame 1. The turntable 512 is provided with multiple material placement positions, the size of which matches the size of the support block. A turntable drive unit 513 is installed on the frame 1 and is used to drive the material placement position on the turntable 512 to rotate and align with the support block at the discharge end of the support block feeding assembly 511. The turntable drive unit 513 includes a rotating motor. In the specific implementation of the present invention, there are four material placement positions and two material channels. After the rotating motor drives the turntable 512 to rotate once, the turntable 512 can be filled with material. Then, the material loaded on the turntable 512 is removed by the material picking assembly. Alignment component 514 is installed on the frame 1 and located on one side of the turntable 512. It is used to accurately transport the support block at the discharge end of the feeding component to the placement position. In this invention, the two material channels are set vertically. If the discharge end of one material channel fails to align with the placement position, the alignment component 514 is set so that the support block can be sent into the placement position in time.

[0022] The alignment component 514 includes: The locking block 5141 slides horizontally on the upper end of the turntable 512. The locking block 5141 is provided with a receiving end and a blocking end. A block drive component 5142 is installed on one side of the turntable 512 and is used to drive the receiving end or blocking end of the block 5141 to align with the discharge end of the feeding component. The block drive component 5142 includes a translational push cylinder. The output end of the translational push cylinder drives the block 5141 to move, so that the receiving end on the block 5141 reaches the assembly placement position. When the block 5141 moves, it will drive the support block at the receiving end to move to the placement position, thereby accurately positioning the support block and feeding it onto the turntable 512.

[0023] The material handling device 52 includes: Mounting plate 521; The material-grabbing split tube 522 is installed below the mounting plate 521 and is used to clamp multiple support blocks located on the turntable 512 at one time. The material-grabbing split tube 522 is a combination of two half tubes, and the upper ends of the two half tubes are fixed to the bottom of the mounting plate 521. Multiple limiting grooves are evenly provided on the outer tube wall of the material-grabbing split tube 522, and the limiting grooves are used to fit rubber bands. When the material-grabbing split tube 522 is pressed down by the material-grabbing drive 523, its bottom is used to clamp the support block. During the clamping process, the two half tubes of the material-grabbing split tube 522 will separate to clamp the support block. At the same time, due to the rubber bands fitted on the limiting grooves, the two material-grabbing split tubes 522 can expand within a certain elastic range, thereby clamping and fixing the support block after it is clamped.

[0024] A material-picking drive unit 523, mounted on the frame 1, drives the material-picking split tube 522 to pick up the support block mounted on the turntable 512. The output end of the material-picking drive unit 523 is connected to the material-picking split tube 522. The output end of the material-picking drive unit 523 is also connected to the mounting plate 521. In a specific implementation, the material-picking drive unit 523 includes a moving component that drives the mounting plate 521 to translate and a lifting component that drives the mounting plate 521 to lift. By driving the moving component, the moving component drives the material-picking drive unit to pick up the material. The material-retrieving pipe 522 moves horizontally above the turntable 512 and then picks up the support block on the material placement position of the turntable 512. After picking up the material, the material-retrieving pipe 522 drives the mounting plate 521 to move to the position above the assembly station 4. The lifting component is driven so that the lifting component drives the mounting plate 521 to descend to the preset height, so that the pressure rod 531 in the subsequent pressing device 53 can quickly and accurately install the support block onto the assembly station 4. The lifting component includes a lifting air rod, the moving component includes the existing linear drive mechanism, and the material-retrieving drive component 523 also includes a multi-axis drive.

[0025] The pressing device 53 includes: The pressure rod 531 is slidably connected inside the material picking tube 522 and coaxially arranged with the material picking tube 522, and is used to push out the support block clamped at the bottom of the material picking tube 522; The pressure rod drive component 532 is installed above the mounting plate 521 and is used to drive the pressure rod 531 to assemble the support block onto the assembly station 4 of the tooling position.

[0026] The spring feeding assembly device 6 includes: Spring feeding and assembly mechanism 61 is installed on the frame 1 and is used to feed springs and assemble them onto the mounting surface at the upper end of the support block of the assembly station 4. The detection device 62 is installed on the frame 1 and is used to detect whether the installed springs meet the preset range. The detection device 62 is not the main inventive point of this invention and will not be described in detail here.

[0027] The spring feeding assembly device 6 includes: A guide block 611 is installed above the frame 1 and is used to position and feed the springs. The guide block 611 has two material channels inside. The material channels include a first material channel 6111 inclined towards the discharge end of the guide block 611 and a second material channel 6112 coaxial with the assembly station 4. The discharge end of the second material channel 6112 and the first material channel 6111 is the same discharge end. The feed end of the guide block 611 can be connected to an external feed pipe for feeding the springs one by one into the first material channel 6111. A guide tube 612 is installed at the discharge end of the guide block 611; the guide tube 612 is provided with a third material channel for conveying springs, and the third material channel is coaxially arranged with the assembly station 4; The push rod 613 is slidably connected inside the second material channel 6112 and the third material channel. When pressed down, its bottom push end abuts against the upper end of the spring.

[0028] A pusher rod drive component 614, mounted above the frame 1, is used to push the spring at the discharge end of the first material channel 6111, which is used to feed the spring, onto the mounting surface of the support block already installed on the assembly station 4. In specific implementation, the spring is fed through the first material channel 6111 to the discharge end of the guide block 611. The pusher rod 613 is driven by the pusher rod drive component 614, and then moves downward in the second material channel 6112, thereby guiding and pushing the spring located at the discharge end of the guide block 611 from the third material channel to the mounting surface of the support block, thus completing the positioning and conveying of the spring. Content not described in detail in this specification belongs to prior art known to those skilled in the art.

[0029] The embodiments described above are merely preferred embodiments of the present invention, and are described in a relatively specific and detailed manner. However, the present invention is not limited to these embodiments. It should be noted that for those skilled in the art, any modifications made without departing from the spirit of the present invention fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. An automatic pressing device for a compression spring support block, used to assemble a compression spring and a support block inside a housing, wherein the housing is provided with evenly distributed positioning posts, the bottom of the support block is provided with positioning holes that match the size of the positioning posts, and the upper end of the support block is a mounting surface that matches the size of the compression spring coil opening; the automatic pressing device for a compression spring support block is characterized in that... include: Rack (1); The conveying device (2) is installed on the frame (1) and is used to gradually install the compression spring and the support block before discharging the material; the conveying device (2) is provided with a tooling position (3) for installing the housing; the housing installed on the tooling position (3) is provided with an assembly position (4) for assembling the compression spring and the support block. The support block feeding and assembly device (5) is installed on the frame (1) and is used to feed the support block and assemble it onto the assembly station (4); A spring feeding and assembly device (6) is installed on the frame (1) and is used to feed springs and assemble them onto the support block of the assembly station (4); The support block feeding assembly device (5) and the spring feeding assembly device (6) are arranged sequentially along the conveying direction of the conveying device (2).

2. The automatic pressing device for a compression spring support block according to claim 1, characterized in that, The support block feeding and assembly device (5) includes: The support block feeding device (51) is installed on the frame (1) and located on one side of the conveying device (2) for feeding the support blocks one by one; The material handling device (52) is installed on the frame (1) and is used to pick up the material from the discharge end of the support block material handling device (51) and move it above the assembly station (4); The pressing device (53) is installed above the frame (1) and is used to position and assemble the support block of the picking end of the picking device (52) to the assembly station (4) of the tooling position. A support block detection device (54) is installed on the frame (1) to detect whether the support block installed on the tooling position (3) meets the preset range.

3. The automatic pressing device for a compression spring support block according to claim 2, characterized in that, The support block distribution device (51): The support block feeding assembly (511) is installed on the frame (1) and located on one side of the conveying device (2) for feeding the support block; A turntable (512) is rotatably mounted above the frame (1). The turntable (512) is provided with multiple material placement positions, the size of which matches the size of the support block. A turntable drive unit (513) is installed on the frame (1) and is used to drive the material placement position on the turntable (512) to rotate and align with the support block at the discharge end of the support block feeding assembly (511); The alignment component (514) is mounted on the frame (1) and located on one side of the turntable (512) for accurately conveying the support block at the discharge end of the support block feeding component (511) to the placement position.

4. The automatic pressing device for a compression spring support block according to claim 3, characterized in that, The alignment component (514) includes: The card block (5141) slides horizontally on the upper end of the turntable (512), and the card block (5141) is provided with a receiving end and a blocking end; A card block drive unit (5142) is installed on one side of the turntable (512) and is used to drive the receiving end or the blocking end of the card block (5141) to align with the discharge end of the feeding assembly.

5. The automatic pressing device for a compression spring support block according to claim 4, characterized in that, The material handling device (52) includes: Mounting plate (521); The material-retrieving split tube (522) is installed below the mounting plate (521) and is used to clamp multiple support blocks located on the turntable (512) at one time. The material-retrieving split tube (522) is a combination of two half tubes, and the upper ends of the two half tubes are fixed to the bottom of the mounting plate (521). Multiple limiting grooves are evenly provided on the outer wall of the material-retrieving split tube (522), and the limiting grooves are used to fit rubber bands. The material picking drive (523) is installed on the frame (1) and is used to drive the material picking pipe (522) to pick up the support block installed on the turntable (512); the output end of the material picking drive (523) is connected to the material picking pipe (522); the output end of the material picking drive (523) is connected to the mounting plate (521).

6. The automatic pressing device for a compression spring support block according to claim 2, characterized in that, The pressing device (53) includes: The pressure rod (531) is slidably connected inside the material extraction split tube (522) and coaxially arranged with the material extraction split tube (522), and is used to push out the support block clamped at the bottom of the material extraction split tube (522); A pressure rod drive (532) is installed above the mounting plate (521) to drive the pressure rod (531) to assemble the support block onto the assembly station (4).

7. The automatic pressing device for a compression spring support block according to claim 1, characterized in that, The spring feeding assembly device (6) includes: A spring feeding and assembly mechanism (61) is installed on the frame (1) and is used to feed the spring and assemble it onto the mounting surface at the upper end of the support block of the assembly station (4). The detection device (62) is installed on the frame (1) and is used to detect whether the installed springs meet the preset range.

8. The automatic pressing device for a compression spring support block according to claim 1, characterized in that, The spring feeding assembly device (6) includes: A guide block (611) is installed above the frame (1) for positioning and feeding springs; the guide block (611) has two material channels inside, including a first material channel (6111) inclined towards the discharge end of the guide block (611) and a second material channel (6112) coaxial with the assembly station (4); the discharge end of the second material channel (6112) and the first material channel (6111) are the same discharge end; A guide tube (612) is installed at the discharge end of the guide block (611); the guide tube (612) is provided with a third material channel for conveying springs, and the third material channel is coaxially arranged with the assembly station (4); The push rod (613) is slidably connected inside the second material channel (6112) and the third material channel. When pressed down, its bottom push end abuts against the upper end of the spring. The push rod drive (614) is installed above the frame (1) and is used to push the spring at the discharge end of the first material channel (6111) to the mounting surface of the support block that has been installed on the assembly station (4).

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