Pen cap assembling device

Abstract

The utility model relates to a pen cap assembling device which comprises a workbench, a first feeding assembly, a correcting assembly, a second feeding assembly, a positive pressure fastener and a discharging assembly. A rotating disc which continuously rotates in the horizontal direction is arranged on the workbench, a plurality of assembling supporting legs which are uniformly distributed are arranged on the upper edge of the rotating disc, and the assembling supporting legs are back to the center of the rotating disc; the first feeding assembly, the correcting assembly, the second feeding assembly, the positive pressure fastener and the discharging assembly surround the rotating disc and are sequentially fixed to the workbench. The pen cap assembling device has the advantages of being simple in structure, low in operation difficulty, high in automation degree and the like, automation of the assembling process of the pen cap tube and the plug is achieved through the pen cap assembling device, and therefore labor cost is saved, and the qualified rate of assembled pen caps and the quality of products are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pen cap production, in particular to a pen cap assembling device. Background Art

[0002] A pen cap is a small component used to protect the pen tip and prevent the ink from drying up. It is usually snapped onto the pen head, forming a relatively closed space between the pen cap and the pen head. This protects the pen tip from damage due to collisions, prevents the ball bearing from being affected by impurities such as dust and fibers, and ensures that the ball bearing rolls smoothly, thereby ensuring the smoothness of the pen. When used on water-based pens and oil-based pens, it can also reduce ink evaporation and keep the pen tip moist. The pen cap generally consists of a tubular body and a plug. One end of the tubular body snaps onto the pen tip, and the other end is connected to the plug. A large part of existing pen caps relies on manual assembly. Since manual operation makes it difficult to ensure the accuracy and consistency of each assembly action, not only is the assembly efficiency low, but it is also easy for the tubular body and plug of the pen cap to be improperly installed, affecting the sealing and integrity of the pen cap itself, and reducing the overall quality and market competitiveness of the product. Utility Model Content

[0003] Based on this, it is necessary to provide a pen cap assembly device to solve the current problems of low efficiency of the pen cap assembly process and the assembled pen cap being prone to improper installation of the plug, improve assembly efficiency, reduce labor costs, and improve product quality and market competitiveness.

[0004] The utility model solves the above technical problems with the following technical solutions: A pen cap assembly device comprises: a workbench, a first feeding assembly, a correction assembly, a second feeding assembly, a positive pressure fastener, and a blanking assembly;

[0005] The workbench is provided with a rotating disk that rotates continuously in the horizontal direction, and the upper edge of the rotating disk is provided with a plurality of evenly distributed assembly legs, and the assembly legs face away from the center of the rotating disk;

[0006] The first loading assembly, correction assembly, second loading assembly, positive pressure fastener and blanking assembly are fixed on the workbench in sequence around the rotating disk; the first loading assembly is used to fix the pen cap tube on the assembly leg, and the correction assembly is used to rotate the pen cap tube fixed on the assembly leg to adjust the angle of the groove on the pen cap tube for installing the plug; the second loading assembly is used to pre-press the plug on the pen cap tube; the positive pressure fastener is used to press the plug on the pen cap tube; the blanking assembly is used to blank the pen cap tube on the assembly leg to the outside of the workbench.

[0007] In one embodiment, the rotating disk is arranged in the middle of the upper surface of the workbench and is connected to a motor drive arranged at the bottom of the workbench.

[0008] In one embodiment, the first feeding assembly includes a first feeding vibration plate, a first slide, a first feeding trough and a first feeding cylinder, one end of the first slide is connected to the first feeding vibration plate, and the other end of the first slide is arranged above the first feeding trough.

[0009] In one embodiment, the first loading chute is arranged on the outside of the rotating disk, and the extension line of the first loading chute passes through the center of the rotating disk; the first loading cylinder is provided with a first push rod at one end close to the first loading chute, and the first push rod is used to push the pen cap tube in the first loading chute to engage with the assembly leg, and the assembly leg, the first loading chute and the first push rod are in the same horizontal plane.

[0010] In one embodiment, the correction assembly includes a pushing cylinder and a rotating cylinder, the rotating cylinder is slidably connected to a slide groove arranged on the upper surface of the workbench, and the pushing cylinder is connected to the rotating cylinder to drive the rotating cylinder to move so that the rotating cylinder is close to or away from the center of the rotating disk; the output end of the rotating cylinder is provided with a clamping part for clamping the pen cap tube to rotate.

[0011] In one embodiment, the second feeding assembly includes a second feeding vibration plate, a second slide, a second feeding trough and a second feeding cylinder; one end of the second slide is connected to the second feeding vibration plate, and the other end of the second slide is arranged above the second feeding trough; the extension line of the second feeding trough passes through the center of the rotating plate; the second feeding cylinder is provided with a second push rod at one end close to the second feeding trough, and the second push rod is used to pre-press the plug in the second feeding trough onto the pen cap tube, and the second push rod, the second feeding trough and the assembly legs are on the same horizontal plane.

[0012] In one embodiment, the positive pressure fastener includes a fastening cylinder arranged outside the rotating disk and a pressure plate fixed on the fastening cylinder, and the side of the pressure plate close to the rotating disk is perpendicular to the assembly legs.

[0013] In one embodiment, the blanking assembly includes a support rod fixed on the workbench, a lateral moving component and a clamping portion arranged on the support rod; the lateral moving component includes a mounting plate fixedly connected to the support rod, a lateral guide rail arranged on the mounting plate, and a moving cylinder slidingly arranged on the lateral guide rail; the clamping portion includes a horizontal finger cylinder fixedly connected to the moving cylinder and a clamping claw arranged on the horizontal finger cylinder, and the clamping claw is provided with an arc groove.

[0014] In one embodiment, a material discharge slide rail is further included, which is arranged directly below the clamping portion, with one end of the material discharge slide rail being arranged on the upper surface of the workbench and the other end being arranged on the side wall of the workbench.

[0015] In one embodiment, the further embodiment includes a control box, which is disposed on the upper surface of the workbench.

[0016] The beneficial effects of the utility model are as follows: a pen cap assembling device provided by the utility model comprises a rotating disk and an assembling leg arranged on the upper edge of the rotating disk, and the assembling leg is arranged with its back to the rotating disk, so that after the pen cap tube on the first feeding vibration disk slides along the first slideway to the first feeding chute, the first push rod on the first feeding cylinder pushes the pen cap tube to be clamped on the assembling leg, which is convenient for subsequent assembly work; the correction component can be rotated to adjust the angle between the pen cap tube clamped on the assembling leg and the groove for installing the plug, so that the second feeding component is convenient to directly push the plug on the second feeding chute, so that the plug is pre-tightened on the pen cap tube; the plug is fully pressed on the pen cap tube by the positive pressure fastener, and the pen cap tube clamped on the assembling leg is unloaded to the receiving box by the unloading component; the pen cap assembling device of the utility model has the advantages of simple structure, low operation difficulty and high degree of automation. By using the pen cap assembling device, the assembly process of the pen cap tube and the plug is automated, thereby saving labor costs and improving the qualified rate of assembled pen caps and the quality of products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 A schematic structural diagram of a pen cap assembly device according to one embodiment;

[0019] Figure 2 A top view of a pen cap assembly device according to one embodiment;

[0020] Figure 3 Schematic diagram of the blanking component structure of a pen cap assembly device according to one embodiment.

[0021] In the accompanying drawings, 10, pen cap assembly device; 100, workbench; 110, rotating disk; 120, assembly legs; 200, first feeding assembly; 210, first feeding vibration disk; 220, first slide; 230, first feeding trough; 240, first feeding cylinder; 250, first push rod; 300, correction assembly; 310, pushing cylinder; 320, rotating cylinder; 400, second feeding assembly; 410, second feeding vibration disk; 420, first Second slide; 430, second loading chute; 440, second loading cylinder; 450, second push rod; 500, positive pressure fastener; 510, fastening cylinder; 520, pressure plate; 600, unloading assembly; 610, support rod; 620, horizontal moving part; 621, mounting plate; 622, horizontal guide rail; 623, moving cylinder; 630, clamping part; 631, horizontal finger cylinder; 632, clamping claw; 640, unloading slide; 700, control box. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The following will further describe the technical solution of the present invention in conjunction with the drawings of the embodiments of the present invention, and the present invention is not limited to the following specific implementation methods.

[0023] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", etc. indicating an orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0024] In one embodiment, Figure 1 and Figure 2 and Figure 3As shown, a pen cap assembly device 10 includes: a workbench 100, a first loading assembly 200, a correction assembly 300, a second loading assembly 400, a positive pressure fastener 500 and a blanking assembly 600; the workbench 100 is provided with a rotating disk 110 that rotates continuously in the horizontal direction, and the upper edge of the rotating disk 110 is provided with a plurality of evenly distributed assembly legs 120, and the assembly legs 120 face away from the center of the rotating disk 110; the first loading assembly 200, the correction assembly 300, the second loading assembly 400, the positive pressure fastener 500 and the blanking assembly 600 The material assembly 600 is fixed on the workbench 100 in sequence around the rotating disk 110; the first loading assembly 200 is used to fix the pen cap tube on the assembly leg 120, and the correction assembly 300 is used to rotate the pen cap tube fixed on the assembly leg 120 to adjust the angle of the groove on the pen cap tube for installing the plug; the second loading assembly 400 is used to pre-press the plug on the pen cap tube; the positive pressure fastener 500 is used to press the plug on the pen cap tube; the unloading assembly 600 is used to unload the pen cap tube on the assembly leg 120 to the outside of the workbench.

[0025] In this embodiment, a rotating disk 110 is provided on the workbench 100, and the horizontal cross-section of the rotating disk 110 is circular. A plurality of equally spaced assembly legs 120 are provided on the outer edge of the upper surface of the rotating disk 110. The shape of the end of the pen cap assembly leg 120 away from the rotating disk 110 corresponds to the shape of the end of the pen cap tube away from the mounting plug, so that the pen cap tube is engaged with the assembly leg 120 for subsequent assembly steps; the first loading assembly 200, the correction assembly 300, the second loading assembly 400, the positive pressure fastener 500 and the blanking assembly 600 are fixed in sequence on the workbench 100 around the rotating disk 110, that is, the first loading assembly 200, the correction assembly 300, the second loading assembly 400, the positive pressure fastener 500 and the blanking assembly 600 are arranged in sequence on the outside of the rotating disk 110 in a clockwise direction.

[0026] In one embodiment, the rotating disk 110 is disposed in the middle of the upper surface of the workbench 100 and is drivably connected to a motor disposed at the bottom of the workbench 100. Specifically, a drive motor is disposed at the bottom of the workbench 100 and is drivably connected to the rotating disk 110 disposed in the middle of the upper surface of the workbench 100. The drive motor causes the rotating disk 110 to rotate continuously, allowing the pen cap assembly process to be completed around the rotating disk 110, thereby reducing the overall space occupied by the pen cap assembly device 10.

[0027] In one embodiment, the first feeding assembly 200 includes a first feeding vibration plate 210, a first slide 220, a first feeding trough 230 and a first feeding cylinder 240, one end of the first slide 220 is connected to the first feeding vibration plate, and the other end of the first slide 220 is arranged above the first feeding trough 230. Specifically, the first feeding vibration plate 210, the first slide 220, the first feeding trough 230 and the first feeding cylinder 240 of the first feeding assembly 200 are all arranged on the outside of the rotating plate 110. The upper end of the first feeding vibration plate is connected to one end of the first slide 220, and the outlet of the other end of the first slide 220 is located above the first feeding trough 230. The pen cap tube vibrates continuously in the first feeding vibration plate 210, continuously sending the pen cap tube into the first slide, so that the pen cap tube is transported from the first slide 220 to the first feeding trough 230 in turn, and then the pen cap tube is pushed by the first feeding cylinder 240 to engage with the assembly leg 120 for the next assembly operation.

[0028] In one embodiment, the first loading chute 230 is arranged on the outside of the rotating disk 110, and the extension line of the first loading chute 230 passes through the center of the rotating disk 110; the first loading cylinder 240 is provided with a first push rod 250 at one end close to the first loading chute 230, and the first push rod 250 is used to push the pen cap tube in the first loading chute 230 to engage with the assembly leg 120, and the assembly leg 120, the first loading chute 230 and the first push rod 250 are in the same horizontal plane. Specifically, the first loading trough 230 is arranged on the outside of the rotating disk, and the extension line of the first loading trough 230 passes through the center of the rotating disk 110, that is, the first loading trough 230 and the assembly leg 120 when the rotating disk 110 rotates to the position of the first loading component 200 are on the same straight line, and the first loading cylinder 240 is arranged on the side of the first loading trough 230 away from the rotating disk 110. The first loading cylinder 240 is close to the first loading trough 230 and is provided with a first push rod 250. The first push rod 250 is located in the first loading trough 230, and the first push rod 250, the first loading trough 230, and the assembly leg 120 are on the same horizontal plane. The first loading cylinder 240 pushes the first push rod 250 so that the first push rod 250 pushes the pen cap tube located in the first loading trough 230 to engage with the assembly leg 120.

[0029] In one embodiment, the correction assembly 300 includes a pushing cylinder 310 and a rotating cylinder 320. The rotating cylinder 320 is slidably connected to a slide groove provided on the upper surface of the workbench 100. The pushing cylinder 310 is connected to the rotating cylinder 320 to drive the rotating cylinder 320 to move so that the rotating cylinder 320 is close to or away from the center of the rotating disk 110; the output end of the rotating cylinder 320 is provided with a clamping portion for clamping the pen cap tube to rotate. Specifically, the correction assembly 300 includes a pushing cylinder 310 and a rotating cylinder 320 for rotating the pen cap tube. A slide groove is provided on the workbench 100, and the extension line of the slide groove intersects with the center line of the rotating disk 110; the rotating cylinder 320 is slidably arranged in the slide groove, and is connected to the pushing cylinder 310 at the end of the rotating cylinder 320 away from the rotating disk 110, and the rotating cylinder 320 is pushed closer to or away from the rotating disk 110 by the pushing cylinder 310; the output end of the rotating cylinder 320 is provided with a clamping part, and the clamping part is provided with a protrusion that is the same as the groove of the pen cap tube for assembling the plug. The rotating cylinder 320 controls the rotation of the clamping part, and then rotates the pen cap tube engaged in the assembly leg 120, and adjusts the angle of the groove on the pen cap tube so that it is parallel to the horizontal plane.

[0030] In one embodiment, the second loading assembly 400 includes a second loading vibration plate 410, a second slide 420, a second loading trough 430 and a second loading cylinder 440; one end of the second slide 420 is connected to the second loading vibration plate 410, and the other end of the second slide 420 is arranged above the second loading trough 430; the extension line of the second loading trough 430 passes through the center of the rotating plate 110; the end of the second loading cylinder 440 close to the second loading trough 430 is provided with a second push rod 450, and the second push rod 450 is used to pre-press the plug in the second loading trough 430 onto the pen cap tube, and the second push rod 450, the second loading trough 430 and the assembly leg 120 are on the same horizontal plane. Specifically, the second loading trough 430 is arranged on the outside of the rotating disk 110, and the extension line of the second loading trough 430 passes through the center of the rotating disk 110; the second loading cylinder 440 is arranged on the side of the second loading trough 430 away from the rotating trough, and the second loading cylinder 440 is provided with a second push rod 450 at one end close to the second loading trough 430, and the end of the second push rod 450 away from the second loading cylinder 440 is located in the second loading trough 430, and the second push rod 450, the second loading trough 430 and the assembly leg 120 are in the same horizontal plane. On the top; the second feeding vibration disk 410 is arranged on the side of the second feeding trough 430, and is connected to the second feeding trough 430 through the second slide 420, that is, one end of the second slide 420 is connected to the second feeding vibration disk 410, and the other end of the second slide 420 is abutted against the top of the second feeding trough 430, and the plug in the second feeding vibration disk 410 enters the second feeding trough 430 through the second slide 420, and then the second push rod 450 is pushed by the second feeding cylinder 440 to pre-tighten the plug in the second feeding trough 430 to the pen cap tube.

[0031] In one embodiment, the positive pressure fastener 500 includes a fastening cylinder 510 disposed outside the rotating disk 110 and a pressure plate 520 fixed on the fastening cylinder 510, wherein the side of the pressure plate 520 close to the rotating disk 110 is perpendicular to the assembly leg 120. Specifically, the fastening cylinder 510 is disposed outside the rotating disk 110, and a pressure plate 520 is provided at one end of the fastening cylinder 510 close to the rotating disk 110, wherein the side of the pressure plate 520 close to the rotating disk 110 is perpendicular to the assembly leg 120. The fastening cylinder 510 drives the pressure plate 520 to move closer to or away from the assembly leg 120, and the pressure plate 520 presses the plug into the pen cap tube located on the pen barrel assembly leg 120, so that the two are tightly connected.

[0032] In one embodiment, the blanking assembly 600 includes a support rod 610 fixed on the workbench 100, a transverse moving component 620 and a clamping portion 630 arranged on the support rod 610; the transverse moving component 620 includes a mounting plate 621 fixedly connected to the support rod 610, a transverse guide rail 622 arranged on the mounting plate 621, and a moving cylinder 623 slidingly arranged on the transverse guide rail 622; the clamping portion 630 includes a horizontal finger cylinder 631 fixedly connected to the moving cylinder 623 and a clamping claw 632 arranged on the horizontal finger cylinder 631, and the clamping claw 632 is provided with an arc groove. Specifically, the support rod 610 is arranged on the outside of the rotating disk 110, and the upper end of the support rod 610 is provided with a mounting plate 621, and the mounting plate 621 is provided with a transverse guide rail 622 for fixing the moving direction of the mobile cylinder 623. The direction of the transverse guide rail 622 is parallel to the straight line where the assembly support leg 120 to be unloaded is located, and the mobile cylinder 623 is slidably arranged on the transverse guide rail 622, and the moving direction of the mobile cylinder 623 is the same as the direction of the transverse guide rail 622; the mobile cylinder 623 is provided with a A horizontal finger cylinder 631 is provided, and a clamping claw 632 is provided on the horizontal finger cylinder 631. The clamping claw 632 is provided with an arc groove. There are two clamping claws 632, which are respectively provided on both sides of the horizontal finger cylinder 631; the moving cylinder 623 drives the horizontal finger cylinder 631 to move closer to or away from the rotating disk 110, and controls the clamping claw 632 to clamp through the horizontal finger cylinder 631, and clamps the pen cap tube through the arc groove on the clamping claw 632, so that the pen cap tube is removed from the assembly leg 120 to complete the blanking.

[0033] In one embodiment, a feeder rail 640 is further included. The feeder rail 640 is disposed directly below the clamping portion 630, with one end of the feeder rail 640 disposed on the upper surface of the workbench 100 and the other end disposed on a sidewall of the workbench 100. Specifically, the feeder rail 640 extends from the upper surface of the workbench 100 to the sidewall of the workbench 100, and the end of the feeder rail 640 located on the upper surface of the workbench 100 is disposed directly below the clamping portion 630. After the feeder assembly 600 removes the pen cap from the assembly leg 120, the pen cap assembling device 10 slides out of the feeder rail 640, completing all the steps of the pen cap assembly.

[0034] In one embodiment, a control box 700 is further included, and the control box 700 is arranged on the upper surface of the workbench 100. Specifically, the control box 700 provided on the upper end surface of the workbench 100 is connected to the drive motor, the first feeding vibration plate 210, the first feeding cylinder 240, the pushing cylinder 310, the rotating cylinder 320, the plugging vibration plate, the second feeding cylinder 440, the tightening cylinder 510, the moving cylinder 623 and the horizontal finger cylinder 631. The switch and the operating speed of each of the above modules are controlled by the control box 700. It should be noted that the various cylinders, drive motors and rotating disk 110 mentioned above are all products sold on the existing market and are all existing technologies, which will not be elaborated in detail here.

[0035] The general working process of the present invention is as follows: after the various modules in the pen cap assembly device 10 are turned on by the control box 700, the pen cap tubes in the first feeding vibration plate will continuously enter the first feeding trough 230 along the first slide 220, and the first push rod 250 on the first feeding cylinder 240 will push the pen cap tube to engage with the assembly leg 120. The rotating disk 110 will continue to rotate to rotate the pen cap tube to the correction component. The pushing cylinder 310 will push the rotating cylinder 320 so that the clamping part on the rotating cylinder 320 will abut against the end of the pen cap tube. The rotating cylinder 320 will control the rotation of the clamping part to adjust the groove on the pen cap tube to a horizontal level. Then, the next step is entered. In the sequence, the plugs in the second feeding vibration plate continuously enter the second feeding trough 430 along the second slide 420, and the second feeding cylinder 440 pushes the second push rod 450, and the second push rod 450 pre-tightens the plugs in the second feeding trough 430 to the pen cap tube; then the positive pressure fastener 500 is used to press the plugs onto the pen cap tube, and finally the pen cap tube is clamped by the clamping claw 632 in the blanking assembly, and the pen cap tube is removed from the assembly leg 120 by the moving cylinder 623, and finally placed into the blanking slide 640, so that the assembled pen cap slides from the blanking slide 640 into the collecting device provided outside the pen cap assembly device 10, completing the assembly of the pen cap.

[0036] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. A person skilled in the art will be able to make other variations or modifications based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A pen cap assembly device, characterized in that: include: A workbench, a first loading assembly, a correction assembly, a second loading assembly, a positive pressure fastener, and a blanking assembly; The workbench is provided with a rotating disk that rotates continuously in the horizontal direction, and the upper edge of the rotating disk is provided with a plurality of evenly distributed assembly legs, and the assembly legs face away from the center of the rotating disk; The first loading assembly, correction assembly, second loading assembly, positive pressure fastener and blanking assembly are fixed on the workbench in sequence around the rotating disk; the first loading assembly is used to fix the pen cap tube on the assembly leg, and the correction assembly is used to rotate the pen cap tube fixed on the assembly leg to adjust the angle of the groove on the pen cap tube for installing the plug; the second loading assembly is used to pre-press the plug on the pen cap tube; the positive pressure fastener is used to press the plug on the pen cap tube; the blanking assembly is used to unload the pen cap tube on the assembly leg to the outside of the workbench.

2. The pen cap assembly device according to claim 1, characterized in that: The rotating disk is arranged in the middle of the upper surface of the workbench and is drivingly connected to a motor arranged at the bottom of the workbench.

3. The pen cap assembly device according to claim 1, characterized in that: The first feeding assembly includes a first feeding vibration plate, a first slide, a first feeding trough and a first feeding cylinder. One end of the first slide is connected to the first feeding vibration plate, and the other end of the first slide is arranged above the first feeding trough.

4. The pen cap assembly device according to claim 3, characterized in that: The first loading trough is arranged on the outside of the rotating disk, and the extension line of the first loading trough passes through the center of the rotating disk; the first loading cylinder is provided with a first push rod at one end close to the first loading trough, and the first push rod is used to push the pen cover tube in the first loading trough to engage with the assembly leg, and the assembly leg, the first loading trough and the first push rod are in the same horizontal plane.

5. The pen cap assembly device according to claim 1, characterized in that: The correction assembly includes a pushing cylinder and a rotating cylinder. The rotating cylinder is slidably connected to a slide groove arranged on the upper surface of the workbench. The pushing cylinder is connected to the rotating cylinder and is used to drive the rotating cylinder to move so that the rotating cylinder is close to or away from the center of the rotating disk; the output end of the rotating cylinder is provided with a clamping part for clamping the pen cover tube for rotation.

6. The pen cap assembly device according to claim 1, wherein: The second feeding assembly includes a second feeding vibration plate, a second slide, a second feeding trough and a second feeding cylinder; one end of the second slide is connected to the second feeding vibration plate, and the other end of the second slide is arranged above the second feeding trough; the extension line of the second feeding trough passes through the center of the rotating plate; A second push rod is provided at one end of the second feeding cylinder close to the second feeding trough. The second push rod is used to pre-press the plug in the second feeding trough onto the pen cap tube. The second push rod, the second feeding trough and the assembly legs are on the same horizontal plane.

7. The pen cap assembly device according to claim 1, wherein: The positive pressure fastener comprises a fastening cylinder arranged outside the rotating disk and a pressing plate fixed on the fastening cylinder, wherein the side of the pressing plate close to the rotating disk is perpendicular to the assembling legs.

8. The pen cap assembly device according to claim 1, wherein: The blanking assembly includes a support rod fixed on the workbench, a lateral moving component and a clamping part arranged on the support rod; the lateral moving component includes a mounting plate fixedly connected to the support rod, a lateral guide rail arranged on the mounting plate, and a moving cylinder slidably arranged on the lateral guide rail; the clamping part includes a horizontal finger cylinder fixedly connected to the moving cylinder and a clamping claw arranged on the horizontal finger cylinder, and the clamping claw is provided with an arc groove.

9. The pen cap assembly device according to claim 8, characterized in that: It also includes a material unloading slide rail, which is arranged directly below the clamping portion. One end of the material unloading slide rail is arranged on the upper surface of the workbench, and the other end is arranged on the side wall of the workbench.

10. The pen cap assembly device according to any one of claims 1 to 9, characterized in that: It also includes a control box, which is arranged on the upper surface of the workbench.

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