Adjustable pin press-fitting device
By introducing adjustable mounting slots and adjustment components into the pin press-fit device, the compatibility problem of different pin socket models is solved, achieving efficient and precise pin installation and improving product quality and consistency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU LAIR MICROWAVE INC
- Filing Date
- 2025-05-21
- Publication Date
- 2026-05-01
AI Technical Summary
Existing pin press-fit devices cannot adapt to different types of pin sockets, resulting in limited application range. Improper operation can easily lead to pin deformation, affecting product quality and efficiency.
An adjustable pin press-fit device was designed. By setting an adjustable mounting groove and adjustment components on the base, it can adapt to pin sockets of different diameters. It is equipped with a ring pressure sensor to monitor the pressure in real time, ensuring installation accuracy and consistency.
This improved the versatility and practicality of the device, reduced the probability of human error, and ensured the quality of finished products and the consistency of products in the same batch.
Smart Images

Figure CN224182976U_ABST
Abstract
Description
Adjustable pin press-fit device Technical Field
[0001] This utility model relates to the technical field of pin crimping devices, and more particularly to adjustable pin crimping devices. Background Technology
[0002] A pin press-fit device is a piece of equipment used to precisely press metal pins onto pin holders, aiming to improve assembly efficiency and accuracy. However, in actual operation, due to the small size of the metal pins and pin holders, it is difficult to complete the press-fitting operation by hand, especially in mass production. This is not only time-consuming and labor-intensive, but also prone to pin deformation due to improper operation, affecting product quality. Furthermore, existing pin press-fit devices have compatibility issues. Although there are many models of punches for placing the pins and they are easy to replace, the model of the base for placing the pin holder is often fixed. Once the model of the pin holder changes, the original press-fitting device cannot be used, limiting the scope and flexibility of its application. Summary of the Invention
[0003] To overcome the above-mentioned shortcomings, the purpose of this utility model is to provide an adjustable pin pressing device that has a wide range of applications and is easy to use.
[0004] This utility model discloses an adjustable pin pressing device, which is used to press a pin onto a pin holder. The pressing device includes:
[0005] The base plate and the base plate disposed on the base plate, the base plate having a side plate on one side, a drive assembly mounted on the side plate, and a stamping assembly for placing pins connected to the end of the drive assembly;
[0006] The base has several sets of mounting slots at equal angles along the circumference with the pin socket as the center. A positioning rod for placing the pin socket is provided at the center position of the intersection of the mounting slots. An adjustment component for clamping the side of the pin socket is also slidably installed in each set of mounting slots.
[0007] In this invention, the pin holder is clamped using an adjusting component, replacing the fixed-diameter pin base in the prior art. This allows for the assembly of pins of different diameters, increasing the flexibility of the device.
[0008] In one or more embodiments of this utility model, a sliding groove is provided on the side wall of the mounting groove, and the adjusting component is slidably installed in the sliding groove.
[0009] In one or more embodiments of the present invention, the adjusting assembly includes a first connecting rod arranged along the length direction of the mounting groove, a clamping plate for holding the pin seat is provided on the side of the first connecting rod near the pin seat, a second connecting rod arranged along the width direction of the mounting groove is connected to the side of the first connecting rod away from the pin seat, and sliders are provided on both sides of the second connecting rod, the sliders being installed in the sliding groove.
[0010] In one or more embodiments of this utility model, the second connecting rod is threadedly connected to a fixing rod along the axial direction of the pin, the top of the fixing rod is provided with a fixing nut, and the upper part of the fixing rod is provided with a fixing nut.
[0011] In one or more embodiments of this utility model, a positioning groove is provided at the bottom of the mounting groove, and the positioning rod is located at the center of the positioning groove.
[0012] In one or more embodiments of this utility model, an annular pressure sensor is provided at the bottom of the positioning groove.
[0013] The use of a ring pressure sensor can detect the pressure of the pin during installation, thus preventing improper installation due to insufficient pressure or damage to the pin and pin holder due to excessive pressure. It can also improve the consistency of pin assembly in the same batch.
[0014] In one or more embodiments of the present invention, the stamping assembly includes a stamping rod connected to a drive assembly, and the other end of the stamping rod is provided with a punch for placing a pin.
[0015] In one or more embodiments of this utility model, the drive assembly includes a handle and a hinge that is rotatably connected to the handle. The hinge is drivenly connected to the stamping rod. The hinge is mounted on a hinge mounting base, and the hinge mounting base is fixedly mounted on a side plate.
[0016] In one or more embodiments of the present invention, the drive assembly includes a pressing cylinder, which is fixedly mounted on a side plate, and the movable end of the pressing cylinder is connected to the stamping rod.
[0017] The beneficial effects of this utility model are: the adjustable pin pressing device of this utility model has mounting grooves distributed around the base, and an adjustment component is installed in the mounting groove and a sliding groove is installed in the mounting groove. This allows the clamping plate at the centripetal end of the adjustment component to be adjusted according to the diameter of the pin socket, thereby enabling the device to quickly adapt to pin sockets of different diameters, greatly improving the versatility and practicality of the device.
[0018] This invention addresses the issue of small, easily bent, and deformable metal pins by incorporating a ring-shaped pressure sensor at the bottom of the positioning groove. This sensor can detect the pressure during the pin pressing process in real time. By reading the pressure on the pin holder, the invention ensures operational accuracy, thereby greatly reducing the probability of human error, maintaining the integrity of the finished product quality, effectively solving the problem of difficult assembly of small parts, and improving the consistency of the insertion process for products in the same batch. Attached Figure Description
[0019] Figure 1 is a schematic diagram of the adjustable pin pressing device in one embodiment of the present invention.
[0020] Figure 2 is a front view of an adjustable pin pressing device according to an embodiment of the present invention;
[0021] Figure 3 is an isometric view of an adjustable pin press-fitting device according to an embodiment of the present invention.
[0022] Figure 4 is a cross-sectional view of the base in one embodiment of the present invention;
[0023] Figure 5 is a schematic diagram of the structure of the adjustment component in one embodiment of the present invention.
[0024] In the diagram: Side plate 100, column 200, base plate 300, base 400, fixing plate 41, mounting groove 411, sliding groove 412, positioning groove 413, annular pressure sensor 414, positioning rod 415, fixing screw 42, adjusting assembly 43, first connecting rod 431, clamping plate 432, second connecting rod 433, slider 434, fixing rod 435, fixing nut 436, fixing nut 437, hinge mounting base 500, drive assembly 600, handle 61, hinge 62, stamping assembly 700, stamping rod 71, punch 72, pin 800, pin seat 900. Detailed Implementation
[0025] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.
[0026] In the description of this utility model, it should be understood that the terms "vertical", "horizontal", "top", "bottom", "upper", "lower", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0027] It should be noted that, unless otherwise defined, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
[0028] As described in the background section, the existing pin pressing device is not adjustable, meaning that a single model of pin pressing device is only suitable for pins of a certain diameter. When the diameter of the pin holder changes, the pressing device will no longer be applicable.
[0029] To address the aforementioned problems, referring to Figure 1, this utility model provides an adjustable pin pressing device. The pressing device is used to press a pin 800 onto a pin holder 900. The pressing device includes: a side plate 100 mounted on a base plate 300 on one side of the side plate; a column 200 at the bottom of the base plate 300; a base 400 mounted on the upper surface of the base plate 300 for placing the pin holder 900; and a pressing device on the upper part of the side plate 100. In this embodiment, the pressing can be done manually or pneumatically. In this embodiment, the end of the pressing equipment is connected to a pressing head assembly 700, which is used to place the pin 800. In this embodiment, manual pressing can be achieved by installing a hinge mounting base 500 on the upper part of the side plate 100. A drive assembly 600 is installed on the hinge mounting base 500. The drive assembly 600 includes a hinge 62 installed on the hinge mounting base 500 and a handle 61 that is throttle-connected to the hinge 62. The movable end of the hinge 62 is throttle-connected to the pressing head assembly 700.
[0030] In a further embodiment, as shown in Figures 2-4, the base 400 has several sets of mounting grooves 411 formed at equal angles along the circumference of the pin socket 900. Sliding grooves 412 are formed on the sidewalls of the mounting grooves 411. Adjustment components 43 are slidably installed within the sliding grooves 412. In this embodiment, four sets of mounting grooves 411 are formed, with each set spaced 90° apart. Each mounting groove 411 contains one set of adjustment components 43, which are slidably installed between the sliding grooves 412 and the mounting grooves 411. A positioning rod 415 for placing the pin socket 900 is provided at the center of the intersection of the mounting grooves 411. When the pin socket 900 is placed on the positioning rod 415, the adjustment component 43 is manually slidable to press against the side of the pin socket 900, ensuring the stability of the pin 800 during press-fitting.
[0031] In a further embodiment, referring to Figure 5, the adjusting assembly 43 includes a first connecting rod 431 arranged along the length direction of the mounting groove 411. The side of the first connecting rod 431 near the pin holder 900 is provided with a clamping plate 432 for holding the pin holder 900. The side of the first connecting rod 431 away from the pin holder 900 is connected to a second connecting rod 433 arranged along the width direction of the mounting groove 411. The two sides of the second connecting rod 433 are provided with sliders 434, which are installed in the sliding groove 412. The second connecting rod 433 is threadedly connected to a fixing rod 435 along the axial direction of the pin 800. The top of the fixing rod 435 is provided with a fixing nut 437, and the upper part of the fixing rod 435 is provided with a fixing nut 436. In this embodiment, the clamping plate 432 is a V-shaped clamping plate, and its two sides can be tangent to the sides of the pin holder 900 to ensure stability during use.
[0032] When the clamping plate 432 abuts against the side of the pin holder 900, first rotate the fixing nut 437 to make the bottom of the fixing rod 435 contact the bottom of the mounting groove 411, and then rotate the fixing nut 436 to make the upper part of the fixing rod 435 contact the fixing plate 41 through the fixing nut 436, thereby ensuring the stability of the pin holder 900 during assembly.
[0033] In a further embodiment, a positioning groove 413 is provided at the bottom of the mounting groove 411, and a positioning rod 415 is located at the center of the positioning groove 413. An annular pressure sensor 414 is provided at the bottom of the positioning groove 413. In this embodiment, the annular pressure sensor 414 can be connected to other devices used for displaying measurement data to display the pressure on the pin holder 900 during the assembly process, so as to avoid the situation where the pin is not installed properly due to insufficient pressure or the pin and pin holder are damaged due to excessive pressure during installation. At the same time, it can improve the consistency of the assembly of pins in the same batch.
[0034] In a further embodiment, the stamping assembly 700 includes a stamping rod 71 connected to the drive assembly 600, and the other end of the stamping rod 71 is provided with a punch 72 for placing the insert pin 800.
[0035] In a further embodiment, the drive assembly 600 is a manually driven mechanism, which includes a handle 61 and a hinge 62 rotatably connected to the handle 61. The hinge 62 is drively connected to the stamping rod 71. The hinge 62 is mounted on the hinge mounting base 500, and the hinge mounting base 500 is fixedly mounted on the side plate 100.
[0036] In a further embodiment, the drive assembly 600 is a pneumatically driven mechanism, which includes a pressing cylinder fixedly mounted on the side plate, and the movable end of the pressing cylinder is connected to the stamping rod 71.
[0037] The adjustable pin press-fit device of this utility model has mounting grooves 411 distributed around the base 400, and an adjustment component 43 is installed in the mounting grooves 411 with a sliding groove 412. This allows the clamping plate 432 at the center end of the adjustment component 43 to be adjusted according to the diameter of the pin socket 900, thereby enabling the device to quickly adapt to pin sockets 900 of different diameters, greatly improving the versatility and practicality of the device.
[0038] This utility model addresses the issue of small, easily bent and deformable metal pins 800 by incorporating an annular pressure sensor 414 at the bottom 413 of the positioning groove. This sensor is capable of real-time detection of the pressure during the pin pressing process. By reading the pressure on the pin holder, the system ensures operational accuracy, thereby significantly reducing the probability of human error, maintaining the integrity of the finished product, effectively solving the problem of difficult assembly of small parts, and improving the consistency of the insertion process for products in the same batch.
[0039] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it. They cannot be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.
Claims
1. An adjustable pin pressing device, the pressing device being used to press a pin (800) onto a pin holder (900), characterized in that, The pressing device includes: a base plate (300) and a base (400) disposed on the base plate (300). A side plate (100) is provided on one side of the base plate (300). A drive assembly (600) is installed on the side plate (100). A stamping assembly (700) for placing a pin (800) is connected to the end of the drive assembly (600). Several sets of mounting grooves (411) are opened at equal angles along the circumference with the pin seat (900) as the center. A positioning rod (415) for placing the pin seat (900) is provided at the center position of the intersection of the mounting grooves (411). An adjustment assembly (43) for clamping the side of the pin seat (900) is also slidably installed in each set of mounting grooves (411).
2. The adjustable pin pressing device according to claim 1, characterized in that, A sliding groove (412) is provided on the side wall of the mounting groove (411), and the adjusting component (43) is slidably installed in the sliding groove (412).
3. The adjustable pin pressing device according to claim 2, characterized in that, The adjustment assembly (43) includes a first connecting rod (431) arranged along the length direction of the mounting groove (411). The first connecting rod (431) has a clamping plate (432) for holding the pin seat (900) on the side near the pin seat (900). The first connecting rod (431) is connected to a second connecting rod (433) arranged along the width direction of the mounting groove (411) on the side away from the pin seat (900). The second connecting rod (433) has sliders (434) on both sides, and the sliders (434) are installed in the sliding groove (412).
4. The adjustable pin pressing device according to claim 3, characterized in that, The second connecting rod (433) is threadedly connected to a fixing rod (435) along the axial direction of the insert (800). The top of the fixing rod (435) is provided with a fixing nut (437), and the upper part of the fixing rod (435) is provided with a fixing nut (436).
5. The adjustable pin pressing device according to claim 1, characterized in that, The bottom of the mounting groove (411) is provided with a positioning groove (413), and the positioning rod (415) is located at the center of the positioning groove (413).
6. The adjustable pin pressing device according to claim 5, characterized in that, The bottom of the positioning groove (413) is provided with an annular pressure sensor (414).
7. The adjustable pin pressing device according to claim 1, characterized in that, The stamping assembly (700) includes a stamping rod (71) connected to the drive assembly (600), and the other end of the stamping rod (71) is provided with a punch (72) for placing a pin (800).
8. The adjustable pin pressing device according to claim 7, characterized in that, The drive assembly (600) includes a handle (61) and a hinge (62) rotatably connected to the handle (61). The hinge (62) is connected to the stamping rod (71) in a transmission manner. The hinge (62) is mounted on a hinge mounting base (500), which is fixedly mounted on a side plate (100).
9. An adjustable pin pressing device according to claim 7, characterized in that, The drive assembly (600) includes a pressing cylinder, which is fixedly mounted on the side plate, and the movable end of the pressing cylinder is connected to the stamping rod (71).