Press fitting mechanism of pressing rivet nut assembly station

By introducing a buffer and limiting mechanism into the pressing mechanism of the rivet nut assembly station, the impact force problem during the feeding of the rear longitudinal beam was solved, the sliding mechanism was protected and the pressing process was stabilized, and the service life of the support was extended.

CN223557736UActive Publication Date: 2025-11-18SUZHOU MINGTAI AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202422887817.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-11-18
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

In the existing assembly process of press-fit nuts, the impact force when the rear longitudinal beam is loaded can damage the supporting components below, affecting their service life.

Method used

A press-fitting mechanism for a press-fitting nut assembly station was designed. A buffer cylinder and a pressure reducing valve are used to buffer the impact force when the rear longitudinal beam is pressed down. A limit mechanism is used to prevent deformation of the sliding mechanism. Two sets of press-fitting heads of different specifications are used for press-fitting. With the help of a force-bearing rod as a rigid support, the installation of five press-fitting nuts is completed.

Benefits of technology

It effectively protects the lower sliding mechanism, prevents deformation, ensures the stability and accuracy of the pressing process, and extends the service life of the support components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a press-fitting mechanism of a pressing rivet nut assembly station, which comprises a base and pressing rivet nut feeding mechanisms, one end of the top of the base is provided with a shell, one end of the inner bottom of the shell is provided with a mounting rack, and the other end of the inner bottom of the shell is provided with two groups of pressing rivet nut feeding mechanisms; a rear longitudinal beam moving module is arranged at the end, away from the mounting frame, of the top of the shell. The rear longitudinal beam moving module comprises a transverse sliding mechanism. The rear longitudinal beam is borne through the bearing block, impact force generated when the rear longitudinal beam is pressed downwards is buffered through the buffering air cylinder and the pressure reducing valve on the buffering air cylinder, the good floating bearing effect is achieved, the transverse sliding mechanism and the longitudinal sliding mechanism below are protected, and deformation of the transverse sliding mechanism and the longitudinal sliding mechanism is prevented; wherein the two groups of press-fitting heads are used for switching and press-fitting the rivet nuts of two different specifications, and the press-fitting heads are matched with the stress rod below the press-fitting heads to serve as a rigid support, so that the installation of the five pressing rivet nuts on the rear longitudinal beam is completed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the press -fitting mechanism of press -in nut assembly station, specifically to a kind of press -in nut assembly station press -fitting mechanism. BACKGROUND

[0002] Press-in nut is also called rivet nut, self-clinching nut, it is a kind of nut applied to sheet or sheet metal, and its appearance is circular, with embossed teeth and guide groove in one end. Its principle is to press into the pre-placed hole of sheet metal through embossed teeth, and generally speaking, the hole diameter of pre-placed hole is slightly smaller than the embossed teeth of press-in nut, and the teeth of press-in nut are extruded into the plate through pressure to make the periphery of pre-placed hole produce plastic deformation, and the deformation is extruded into guide groove, thereby producing locking effect. The strong impact force downward in the existing rear longitudinal beam feeding process can cause damage to the lower support, resulting in deformation and affecting the service life of the support. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of press -in nut assembly station press -fitting mechanism to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of press -in nut assembly station press -fitting mechanism, including base and press-in nut feeding mechanism, one end of the top of base is equipped with shell, the inner bottom of shell is equipped with mounting bracket, the other end of the inner bottom of shell is provided with two groups of press-in nut feeding mechanism;

[0005] The end of the top of shell away from mounting bracket is provided with rear longitudinal beam movement module, the rear longitudinal beam movement module includes transverse sliding mechanism, the transverse sliding mechanism includes two groups, two groups The transverse sliding mechanism is located on the top of base, and the top of the transverse sliding mechanism is slidably connected with longitudinal sliding mechanism, and the two sides of the top of the longitudinal sliding mechanism are slidably connected with support;

[0006] The support includes fixed seat and sliding seat, the two ends of the top of fixed seat are both equipped with slide column, the two ends of the top of fixed seat are slidably connected with sliding seat through slide column, a plurality of drive cylinders B are installed on the fixed seat, the output end of drive cylinder B is connected downward with the top of fixed seat, a plurality of buffer mechanisms are arranged on one end of the top of fixed seat, a plurality of jacks are arranged on the end of the top of fixed seat away from buffer mechanism, a plurality of limiting mechanisms are arranged on the middle of the top of fixed seat, and the limiting mechanism is located between buffer mechanism and jack, and rear longitudinal beam is placed on two groups The support is common.

[0007] The mounting frame is provided with a press-fitting mechanism, the press-fitting mechanism comprises a driving cylinder A, the driving cylinder A is located at the top of the mounting frame, the middle part of the mounting frame is transversely slidably connected with a connecting plate through a sliding mechanism, one end of the front face of the connecting plate is longitudinally slidably connected with two groups of press-fitting heads, the top of the base is provided with a stress rod, and the stress rod is located directly below the driving cylinder A.

[0008] Preferably, the base is provided with a plurality of supporting legs at the bottom, and the base is provided with a warehouse door on both sides.

[0009] Preferably, the shell is provided with an inspection door on both sides, and the top of the shell is provided with a top plate.

[0010] Preferably, the buffer mechanism comprises a buffer cylinder, the top of the buffer cylinder is provided with a receiving head, and the buffer cylinder is provided with a pressure reducing valve.

[0011] Preferably, the limiting mechanism comprises a support, the top of the support on both sides is hingedly connected with a limiting clamping plate, the top of one end of the support is provided with a driving cylinder C, and the driving cylinder C is connected with one end of the limiting clamping plate.

[0012] Preferably, the mounting frame is provided with an L-shaped pipe, and the L-shaped pipe is connected with a control panel.

[0013] Compared with the prior art, the beneficial effects of the utility model are that the press-fitting mechanism of the rivet nut assembly station supports the rear longitudinal beam through the receiving block, buffers the impact force when the rear longitudinal beam is pressed down through the buffer cylinder and the pressure reducing valve thereon, has good support floating effect, protects the lower transverse sliding mechanism and the longitudinal sliding mechanism, and prevents the two mechanisms from being deformed; the press-fitting head is two groups, and the two groups are used for switching and press-fitting rivet nuts of two different specifications, and the lower stress rod is used as a rigid support to complete the installation of the five rivet nuts on the rear longitudinal beam. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the perspective view of the utility model;

[0015] Figure 2 It is the side view of the utility model;

[0016] Figure 3 It is the back view of the utility model;

[0017] Figure 4 It is the perspective structural schematic view of the utility model without the rear longitudinal beam;

[0018] Figure 5 It is the side view of the support of the utility model;

[0019] Figure 6The utility model discloses a stand for the rear longitudinal beam which is not placed.

[0020] Figure 7 The utility model discloses a pressure equipment mechanism's perspective drawing.

[0021] In the drawing: 1, base, 2, shell, 3, mounting bracket, 4, drive cylinder A, 5, transverse sliding mechanism, 6, longitudinal sliding mechanism, 7, support, 71, fixed seat, 72, sliding seat, 73, drive cylinder B, 74, buffer mechanism, 75, ejector rod, 76, limiting mechanism, 8, connecting plate, 9, pressure equipment head, 10, force bar, 11, rear longitudinal beam, 12, pressure rivet nut feeding mechanism. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-7 The utility model provides an embodiment: a kind of pressure rivet nut assembly station pressure equipment mechanism, including base 1 and pressure rivet nut feeding mechanism 12, the top of base 1 one end is equipped with shell 2, the inner bottom of shell 2 one end is equipped with mounting bracket 3, the other end of the inner bottom of shell 2 is provided with two groups of pressure rivet nut feeding mechanism 12, and the bottom of base 1 is provided with multiple groups of supporting legs, and the two sides of base 1 are provided with warehouse door;

[0024] The top of shell 2 is provided with rear longitudinal beam moving module away from mounting bracket 3 one end, and rear longitudinal beam moving module includes transverse sliding mechanism 5, and transverse sliding mechanism 5 includes two groups, and two groups of transverse sliding mechanism 5 are located at the top of base 1, and the top of transverse sliding mechanism 5 is slidably connected with longitudinal sliding mechanism 6, and the top of longitudinal sliding mechanism 6 is slidably connected with support 7 on both sides.

[0025] The support 7 comprises a fixed seat 71 and a sliding seat 72, both ends of the top of the fixed seat 71 are provided with sliding columns, both ends of the top of the fixed seat 71 are slidably connected with the sliding seat 72 through the sliding columns, a plurality of groups of driving cylinders B 73 are installed on the fixed seat 71, the output ends of the driving cylinders B 73 are connected downward with the top of the fixed seat 71, a plurality of groups of buffer mechanisms 74 are arranged at one end of the top of the fixed seat 71, a top rod 75 is arranged at the end of the top of the fixed seat 71 away from the buffer mechanism 74, a plurality of groups of limiting mechanisms 76 are arranged at the middle of the top of the fixed seat 71, and the limiting mechanisms 76 are located between the buffer mechanism 74 and the top rod 75, and the rear longitudinal beams 11 are placed on the two groups of supports 7; the buffer mechanism 74 comprises a buffer cylinder, the top of the buffer cylinder is provided with a receiving head, and a pressure reducing valve is arranged on the buffer cylinder, the buffer mechanism 74 is equivalent to a spring, and the impact force when the rear longitudinal beam 11 is placed is buffered; the limiting mechanism 76 comprises a support, a limiting clamping plate is hinged to the top of the two sides of the support, a driving cylinder C is arranged at the top of one end of the support, and one end of the limiting clamping plate is connected with the driving cylinder C, the limiting clamping plate is turned over by the driving cylinder C to limit the rear longitudinal beam 11;

[0026] A pressing mechanism is arranged on the mounting frame 3, the pressing mechanism comprises a driving cylinder A 4, the driving cylinder A 4 is located at the top of the mounting frame 3, a connecting plate 8 is transversely and slidably connected with the middle of the mounting frame 3 through a sliding mechanism, two groups of pressing heads 9 are longitudinally and slidably connected with one end of the front surface of the connecting plate 8, a stress rod 10 is arranged at the top of the base 1 and located directly below the driving cylinder A 4; the shell 2 is provided with maintenance doors on both sides, so that the pressing parts and the press-in nut feeding mechanism 12 inside can be maintained, one end of the top of the shell 2 is provided with a top plate; an L-shaped pipe is arranged on the mounting frame 3, and one end of the L-shaped pipe is connected with a control panel.

[0027] Working principle: during the operation process of the pressing mechanism of the press-in nut assembly station, first, the rear longitudinal beam 11 is placed above the support 7 and buffered by the plurality of groups of buffer mechanisms 74, the impact force in the placing process is reduced by exhausting through the pressure reducing valve, good buffering floating effect is achieved, the transverse sliding mechanism and the longitudinal sliding mechanism below are protected from deformation; the limiting clamping plate is offset by the plurality of groups of driving cylinders C in the plurality of groups of limiting mechanisms 76 to limit the rear longitudinal beam 11, so that the rear longitudinal beam 11 is prevented from being offset, the height of the rear longitudinal beam 11 is lifted by the driving cylinder B 73, the position of the rear longitudinal beam 11 is moved left and right and forward and backward by the transverse moving mechanism and the longitudinal moving mechanism, and then the pressing positions of the press-in nuts at multiple positions of the rear longitudinal beam 11 are adjusted;

[0028] The pressure rivet nut is placed at the top end of the force bar 10, and one group of the pressure installation head 9 is driven by the driving cylinder A4 to press the pressure rivet nut on the force bar 10 into the rear longitudinal beam 11. The pressure installation mechanism has two groups of the pressure installation head 9, and the pressure installation head 9 of the two groups is used to install two kinds of specifications of the pressure rivet nut. The left and right movement of the connecting plate 8 is used to drive the left and right adjustment of the two groups of the pressure installation head 9. The pressure installation head 9 on the connecting plate 8 is driven to move downward by the driving cylinder A4, and the force bar 10 below is used as a rigid support. The pressure installation is five times, and the installation of the five pressure rivet nuts on the rear longitudinal beam 11 is completed.

[0029] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0030] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A press-in nut assembly station press fitting mechanism, comprising a base (1) and a press-in nut feeding mechanism (12), characterized in that: The top of the base (1) is provided with a shell (2), one end of the inner bottom of the shell (2) is provided with a mounting rack (3), and the other end of the inner bottom of the shell (2) is provided with two groups of press-in nut feeding mechanisms (12); The top of the shell (2) is provided with a rear longitudinal beam moving module away from the mounting rack (3), the rear longitudinal beam moving module comprises a transverse sliding mechanism (5), the transverse sliding mechanism (5) comprises two groups, the two groups of transverse sliding mechanisms (5) are located on the top of the base (1), the top of the transverse sliding mechanism (5) is slidably connected with a longitudinal sliding mechanism (6), and the top of the longitudinal sliding mechanism (6) is slidably connected with a support (7) on both sides; The support (7) comprises a fixed seat (71) and a sliding seat (72), both ends of the top of the fixed seat (71) are provided with sliding columns, the top of the fixed seat (71) is slidably connected with the sliding seat (72) through the sliding columns, a plurality of drive cylinders B (73) are mounted on the fixed seat (71), the output end of the drive cylinder B (73) is connected downward with the top of the fixed seat (71), a plurality of buffer mechanisms (74) are arranged on one end of the top of the fixed seat (71), a top rod (75) is arranged on the end of the top of the fixed seat (71) away from the buffer mechanism (74), a plurality of limiting mechanisms (76) are arranged on the middle of the top of the fixed seat (71), and the limiting mechanisms (76) are located between the buffer mechanism (74) and the top rod (75), and the two groups of supports (7) are commonly provided with a rear longitudinal beam (11).

2. A press nut assembly station press fitting mechanism according to claim 1, characterized in that: The mounting rack (3) is provided with a press-fitting mechanism, the press-fitting mechanism comprises a drive cylinder A (4), the drive cylinder A (4) is located on the top of the mounting rack (3), the mounting rack (3) is transversely slidably connected with a connecting plate (8) through a sliding mechanism, the connecting plate (8) is longitudinally slidably connected with two groups of press-fitting heads (9) on one end of the front face, the top of the base (1) is provided with a stress rod (10), and the stress rod (10) is located directly below the drive cylinder A (4).

3. A press nut assembly station press fitting mechanism according to claim 1, characterized in that: The bottom of the base (1) is provided with a plurality of supporting legs, and the two sides of the base (1) are provided with warehouse doors.

4. A press nut assembly station press fitting mechanism according to claim 1, characterized in that: Both sides of the shell (2) are provided with maintenance doors, and one end of the top of the shell (2) is provided with a top plate.

5. A press nut assembly station press fitting mechanism according to claim 1, characterized in that: The buffer mechanism (74) comprises a buffer cylinder, and the top of the buffer cylinder is provided with a receiving head, and the buffer cylinder is provided with a pressure reducing valve.

6. A press nut assembly station press fitting mechanism according to claim 1, characterized in that: The limiting mechanism (76) comprises a bracket, and a limiting clamping plate is hinged on the top of the two sides of the bracket, and a drive cylinder C is arranged on the top of one end of the bracket, and the drive cylinder C is connected with one end of the limiting clamping plate.

7. A press nut assembly station press fitting mechanism according to claim 1, characterized in that: The mounting rack (3) is provided with an L-shaped pipe, and one end of the L-shaped pipe is connected with a control panel.