CN112676526A

CN112676526A - Riveting machine and using method

Info

Publication number: CN112676526A
Application number: CN202011571117.7A
Authority: CN
Inventors: 许密芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2021-04-20
Also published as: CN110976736A; CN110976736B

Abstract

The invention provides a riveting machine and a using method thereof, the structure of the riveting machine comprises an inserting part guide sleeve, a transmission belt, a rivet adapting machine case, an inspection fan, a regulator, a movable protective door, a rivet port and a self-adjusting type punching adapting device, wherein the inserting part guide sleeve is fixedly connected to the left side surface of the rivet adapting machine case in an electric welding mode, the inspection fan is arranged at the front end surface of the rivet adapting machine case, and the rivet port is fixedly arranged at the back of the rivet adapting machine case. The probability that the part is damaged is greatly reduced, and therefore the lossless deviation value of the part is improved.

Description

Riveting machine and using method

The invention relates to a divisional application of a self-adjusting punching matching automatic rivet inserting machine, which has an application date of 2019, 10 and 29 and an application number of CN 201911036685.4.

Technical Field

The invention belongs to the field of automatic riveting machines, and particularly relates to a riveting machine and a using method.

Background

The punching press braking grafting riveter occupies important position in the auto parts of panel beating class joins in marriage the dress rivet, and automatic riveter can join in marriage the dress of the quick completion rivet of location punching press when carrying out the punching press and joining in marriage the dress rivet, and the riveter of automatic grafting can make the auto parts of panel beating class join in marriage the efficiency of dress rivet and obtain very big improvement.

Based on the above description, the inventor finds that the existing riveting machine and the using method mainly have the following defects, for example:

because the grafting of rivet needs can the combination just to become the rivet connecting piece of completion through the cooperation of spike and cap, generally for there is the deviation in the coincidence axiality between spike and the block when preventing the punching press, can connect separately between spike and the block and join in marriage, and then need divide into two processes and assemble the car part combination, and because the part board is when inputing, the small deviation of certain distance appears easily, the spike is in the grafting in-process, required precision requirement is higher, in case the condition that the small deviation value lies in grafting route and part and appears coinciding, the part can appear harmfully, and a plurality of rivets need be pegged graft on the part simultaneously, the probability that the part can appear fully damaging can rise, its harmless deviation value can reduce.

Disclosure of Invention

In order to solve the technical problems, the invention provides a riveting machine and a using method thereof, and aims to solve the problems that the existing riveting connection piece can be combined and fixed into a finished rivet connection piece only by matching a long nail and a cap, the long nail and the cap are separately connected in order to prevent deviation of the fit axis degree between the long nail and the cap during stamping, and further the automobile parts need to be combined and assembled by two procedures, and the parts are damaged when a part plate is input and small deviation of a certain distance easily occurs, the required precision requirement is high during the plugging process of the long nail, and once the small deviation value is positioned in the plugging path and the parts are overlapped, the probability of the part damage is increased and the lossless deviation value is reduced when a plurality of rivets are plugged on the parts at the same time.

Aiming at the defects of the prior art, the purpose and the effect of the riveting machine and the using method are achieved by the following specific technical means: the utility model provides a riveting machine and application method, its structure includes that plug-in components leads nipple, transmission band, rivet and connects quick-witted case, maintenance fan, modulator, activity guard gate, rivet material mouth, connects the device from mode punching press, plug-in components leads mode fixed connection that the nipple adopts the electric welding in rivet connects quick-witted case left surface, the maintenance fan is located rivet and connects quick-witted case positive terminal surface, rivet material mouth fixed mounting connects quick-witted case back at the rivet, the modulator is installed at rivet through the mode of embedding and is connected quick-witted case upper right end, rivet connects quick-witted incasement portion and is equipped with the transmission band, rivet connects quick-witted case and connects device mechanical connection together from mode punching press, activity guard gate connects quick-witted case swing joint together with the rivet.

The self-adjusting punching matching device comprises a punching sleeve, a fixing sleeve, a punching material rod, a matching joint and a pressure self-adjusting mechanism, wherein the punching sleeve is welded with the fixing sleeve, the top end of the punching material rod is installed inside the punching sleeve in an embedded mode, the top end of the matching joint is fixedly connected with the punching material rod, and the top end of the pressure self-adjusting mechanism is connected with the left side and the right side of the bottom end of the fixing sleeve.

As preferred, join in marriage the joint and join in marriage the depression bar, violently tie up mechanism, adapter sleeve including riveting a long nail, direction, rivet a long nail and install inside the adapter sleeve through the mode of embedding, violently tie up mechanism and adapter sleeve fixed connection together, the direction is joined in marriage the depression bar and is equipped with two and movable mounting and violently tie up the mechanism below left and right sides altogether, riveting a long nail can supply with perpendicularly through the adapter sleeve, and then can make its axle center be in the state of aliging all the time, can make every feeding after, can directly carry out the punching press and join in marriage, need not to fix a position the punching press after getting the material.

Preferably, the pressure self-adjusting mechanism comprises an elastic traction belt, an adjusting correction piece and a movable sleeve locking mechanism, the top end of the adjusting correction piece is fixedly connected with the movable sleeve locking mechanism, the movable sleeve locking mechanism is connected with the bottom end of the fixed sleeve through the elastic traction belt, the adjusting correction piece can be embedded into a punching hole through a pointed end blade at the bottom when downwards punching is carried out, punching calibers of the material plates can be aligned through a downward inclined surface when the material plates are pushed in a half-stroke of pressing, and further the axle center overlap ratio of the rivets in the punching process is increased.

As preferred, violently tie up the mechanism and include hindering piece, air pocket, external member, tractive area, it is inside the external member that the mode of hindering the piece to pass through the embedding is installed, the air pocket is equipped with two altogether and fixed mounting in the external member left and right sides, the tractive area is connected with the hindering piece, the hindering piece can be in advance through the tractive of tractive area and stretch out towards inside when rivet formal punching press, separates new and old rivet long nail to rivet long nail for being in the punching press position provides rearmounted pressure, and then can make its smooth completion punching press work.

Preferably, the movable sleeve locking mechanism comprises a seal, a lock matching strip and a movable sleeve, the seal is arranged on the inner surface of the movable sleeve, the lock matching strip is fixedly connected with the movable sleeve and is positioned between the two seals

Preferably, the locking bar comprises a pressing sheet, an air groove, a rotating shaft, a transverse belt, a sealing lock sleeve, a magnetic sheet and a locking bar, the pressing sheet is fixedly installed inside the left side of the locking bar, the magnetic sheet is attached to the transverse belt, the rotating shaft is installed inside the locking bar in an embedded mode, the sealing lock sleeve is attached to the transverse belt, and the air groove and the locking bar are of an integrated structure.

Preferably, the sealing lock sleeve comprises a guide groove, a guide rod, a spring and a sealing sleeve, the spring is embedded in the guide rod, the guide groove is arranged in the sealing sleeve, and the sealing sleeve is welded with the spring.

Compared with the prior art, the invention has the following advantagesAdvantageous effects：

The invention can adjust the position of the accessory by embedding the pressure self-adjusting mechanism into the mating hole of the material part and utilizing the diameter of the terminal of the pressure self-adjusting mechanism in the stamping process, after the adjustment is finished, the movable sleeve locking mechanism is matched with the matching joint, so that the reverse acting force acting on the matching locking strip is maximized, so that the punch head is separated from the matching head to perform rebound resetting, and in the process of finishing the punching of the last distance, the internal long rivet is limited in the rear position through the transverse binding mechanism, and the long rivet at the standby position is restrained at the same time, and then accomplish the punching press configuration of final stage, can make the cooperation of spike and cap realize the cooperation combination that the axiality is high and fix and become the rivet connecting piece of completion, can once only accomplish the punching press and join in marriage and connect, reduced the probability that the part can appear the damage to a great extent to improve its harmless deviation value.

Drawings

Fig. 1 is a schematic structural view of a riveting machine and a using method of the invention.

Fig. 2 is a schematic view of a front cross-sectional structure of a self-adjusting punching adapter of a riveting machine and a method of use of the same.

Fig. 3 is a detailed structural diagram of the inside of the fitting.

Fig. 4 is a detailed structural diagram of the interior of the pressure self-regulating mechanism.

Fig. 5 is a detailed structural diagram of the inside of the horizontal binding mechanism.

Fig. 6 is a schematic diagram of the internal detail of the movable sleeve lock mechanism.

Fig. 7 is a detailed structure diagram of the inside of the locking bar.

Fig. 8 is a detailed structural diagram of the interior of the sealing lock sleeve.

In the figure: the riveting device comprises a plug-in part guide sleeve-1, a transmission belt-2, a rivet adapter case-3, an inspection fan-4, a regulator-5, a movable protective door-6, a rivet port-7, a self-adjusting punching adapter-8, a punching sleeve-z 1, a fixing sleeve-z 2, a punching material rod-z 3, a matching joint-z 4, a counter pressure self-adjusting mechanism-z 5, a rivet long nail-z 41, a direction matching pressure rod-z 42, a transverse binding mechanism-z 43, a connecting sleeve-z 44, an elastic traction belt-z 51, an adjusting correction sheet-z 52, a movable sleeve locking mechanism-z 53, a resistance sheet-z 431, an air bag-z 432, a sleeve-z 433, a traction belt-z 434, a seal-z 531, a matching locking strip-z 532, a movable sleeve-z 533, a pressing sheet-zz 1, an air groove-zz 2, a movable sleeve-z 533, a pressure sheet-z 35, A rotating shaft-zz 3, a transverse belt-zz 4, a sealing lock sleeve-zz 5, a magnetic sheet-zz 6, a lock bar-zz 7, a guide groove-zz 51, a guide rod-zz 52, a spring-zz 53 and a sealing sleeve-zz 54.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in figures 1 to 8:

the invention provides a riveting machine and a using method thereof, the riveting machine structurally comprises an inserting part guiding and connecting sleeve 1, a transmission belt 2, a rivet adapting machine case 3, an inspection fan 4, a regulator 5, a movable protective door 6, a rivet material port 7 and a self-adjusting type stamping adapting device 8, wherein the inserting part guiding and connecting sleeve 1 is fixedly connected to the left side face of the rivet adapting machine case 3 in an electric welding mode, the inspection fan 4 is arranged on the front end face of the rivet adapting machine case 3, the rivet material port 7 is fixedly arranged at the back of the rivet adapting machine case 3, the regulator 5 is arranged at the upper right end of the rivet adapting machine case 3 in an embedding mode, the transmission belt 2 is arranged inside the rivet adapting machine case 3, the rivet adapting machine case 3 is mechanically connected with the self-adjusting type stamping adapting device 8, and the movable protective door 6 is movably connected with the rivet adapting.

The self-adjusting type stamping adapting device 8 comprises a stamping sleeve z1, a fixed sleeve z2, a stamping material rod z3, an adapting joint z4 and an opposite pressure self-adjusting mechanism z5, wherein the stamping sleeve z1 is welded with the fixed sleeve z2, the top end of the stamping material rod z3 is installed inside the stamping sleeve z1 in an embedding mode, the top end of the adapting joint z4 is fixedly connected with the stamping material rod z3, and the top end of the opposite pressure self-adjusting mechanism z5 is connected with the left side and the right side of the bottom end of the fixed sleeve z 2.

The fitting joint z4 comprises a rivet long nail z41, a direction fitting rod z42, a transverse binding mechanism z43 and a connecting sleeve z44, the rivet long nail z41 is installed inside the connecting sleeve z44 in an embedded mode, the transverse binding mechanism z43 is fixedly connected with the connecting sleeve z44, the direction fitting rods z42 are two in number and are movably installed on the left side and the right side below the transverse binding mechanism z43, the rivet long nail z41 can be vertically supplied through the connecting sleeve z44, the axis of the rivet long nail z41 can be always aligned, after each feeding, the rivet long nail z4 can be directly connected in a stamping mode, and the positioning stamping after material taking is not needed.

The pressure self-adjusting mechanism z5 comprises an elastic force traction belt z51, an adjusting correction piece z52 and a movable sleeve locking mechanism z53, the top end of the adjusting correction piece z52 is fixedly connected with the movable sleeve locking mechanism z53, the movable sleeve locking mechanism z53 is connected with the bottom end of the fixed sleeve z2 through the elastic force traction belt z51, the adjusting correction piece z52 can be embedded into a punching hole through a pointed end blade at the bottom when downward punching is carried out, and punching caliber alignment can be carried out on a material plate through a downward inclined surface when half stroke of punching is carried out, so that the axle center overlap ratio of the rivet in the punching process is increased.

The transverse binding mechanism z43 comprises a resistance sheet z431, an air bag z432, a sleeve piece z433 and a pulling belt z434, wherein the resistance sheet z431 is installed inside the sleeve piece z433 in an embedded mode, the air bag z432 is provided with two parts and fixedly installed on the left side and the right side of the sleeve piece z433, the pulling belt z434 is connected with the resistance sheet z431, and the resistance sheet z431 can extend towards the inside in advance through the pulling of the pulling belt z434 when the rivet is formally punched, so that new and old rivet long nails are separated, and the rear pressure is provided for the rivet long nail at the punching position, and further the punching work can be smoothly completed.

The movable sleeve locking mechanism z53 comprises a seal z531, a lock matching strip z532 and a movable sleeve z533, the seal z531 is arranged on the inner surface of the movable sleeve z533, the lock matching strip z532 is fixedly connected with the movable sleeve z533 and is positioned between the two seals z531, the movable sleeve locking mechanism z53 can provide sufficient movable range for adjusting the correction piece z52 by pressing the rebounding acting force in the early stage of stamping, and the adjustment of the correction piece z52 can complete the descending adjustment of half stroke stamping.

Wherein the locking bar z532 comprises a pressing piece zz1, an air groove zz2, a rotating shaft zz3, a transverse belt zz4, a sealing lock sleeve zz5, a magnetic sheet zz6 and a locking bar zz7, the pressing piece zz1 is fixedly arranged inside the left side of the lock bar zz7, the magnetic sheet zz6 is attached to the transverse belt zz4, the rotating shaft zz3 is arranged in the locking strip zz7 in an embedding mode, the sealing lock sleeve zz5 is attached to the transverse strip zz4, the air groove zz2 and the locking bar zz7 are of an integrated structure, the tabletting zz1 is made of elastic materials, which can bear a certain pressure, when the impact pressure can press the air groove zz2, the zone of the tabletting zz1 is concave towards the inner part, and further the transverse belt zz4 is raised, the separated magnetic sheets zz6 can make the transverse belt lose traction power to the sealing lock sleeve zz5, the locking bar zz7 can move downwards through the rotating shaft zz3 which is converted from the fixed state to the movable state, and further is separated from the fixed end of the mating connector z4, and the adjusting correction piece z52 is lifted upwards.

The sealing lock sleeve zz5 comprises a guide groove zz51, a guide rod zz52, a spring zz53 and a sealing sleeve zz54, wherein the spring zz53 is embedded in the guide rod zz52, the guide groove zz51 is arranged in the sealing sleeve zz54, the sealing sleeve zz54 is welded with the spring zz53, the sealing lock sleeve zz5 is in a sealing state after the cross belt zz4 expands, and can rapidly return and retract after the sealing lock sleeve zz5 slides out downwards after the pressing force is lost, and the magnetic sheet 6 can control the guide rod zz52 again along with the transfer of the internal gas of the cross belt zz 4.

The specific use mode and function of the embodiment are as follows:

in the invention, after the insertion workpiece is input, along with the punching of the punching material rod z3, the matched joint z4 can be pushed and the counter pressure self-adjusting mechanism z5 is carried to vertically press downwards, and the elastic traction belt z51 is in a fixed connection state at both ends, and is continuously lengthened under the condition that the distance between the adjusting correction sheet z52 and the fixed sleeve z2 is continuously increased, while the adjusting correction sheet z52 can be embedded into a punching hole through a sharp-end blade at the bottom when the punching is carried out downwards, and can be aligned with the punching caliber of a material plate through a downward inclined surface when the punching half stroke is carried out, so that the axial center overlap ratio of a rivet in the punching process is increased, and when the half stroke is impacted, the opposite acting force of the upper end and the lower end of the movable sleeve locking mechanism z53 reaches the maximum value due to the extension degree of the elastic traction belt z51 reaching the limit, the pressing piece zz1 bears the maximum pressure, and further leads the pressing piece to be sunken towards the inside, thereby pressing the air groove zz2, making the air in the air groove zz2 press into the cross belt zz4, the expanding cross belt zz4 can directly support the magnetic sheet zz6 absorbing and controlling the leading rod zz52, further making the leading rod zz52 retract into the sealing lock sleeve zz5, thereby making the rotating shaft zz3 convert from the fixed state to the movable state, making the locking strip zz7 have enough movable interval to remove the convex strip clamping piece on the outer side of the matching head z4, further making the opposite pressure self-adjusting mechanism z5 return to the upper direction under the control of the elastic leading belt z51 reaching the limit state, along with the continuous pressing process of the connecting sleeve z44, the rivet long nail z41 can be smoothly inserted into the flitch matching hole which has been adjusted by the opposite pressure self-adjusting mechanism z5, and contact with the residual rivet cap, the direction matching bar z42 is restrained, and can be pressed towards the inside, and can press the air bag 434 in the traveling route, and produce the traction force to the leading belt 432, at the same time, the stop piece z431 is pressed out of the sleeve z433 so as to separate the sleeve z41 in the stacked state, and the sleeve z41 in the punching position has enough resistance when the rear pressure bearing piece is pressed.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a join in marriage from mode punching press and join in marriage automatic rivet machine of inserting, its structure includes that plug-in parts leads adapter sleeve (1), transmission band (2), rivet and joins in marriage quick-witted case (3), maintenance fan (4), modulator (5), activity guard gate (6), rivet material mouth (7), join in marriage from mode punching press and join in marriage device (8), its characterized in that:

the rivet connection machine is characterized in that the plug-in part guide sleeve (1) is fixedly connected to the left side face of the rivet connection machine case (3) in an electric welding mode, the maintenance fan (4) is arranged on the front end face of the rivet connection machine case (3), the rivet material port (7) is fixedly arranged at the back of the rivet connection machine case (3), the regulator (5) is arranged at the upper right end of the rivet connection machine case (3) in an embedding mode, a transmission belt (2) is arranged inside the rivet connection machine case (3), the rivet connection machine case (3) is mechanically connected with the self-adjusting type punching connection device (8), and the movable protective door (6) is movably connected with the rivet connection machine case (3);

the self-adjusting type stamping matching device (8) comprises a stamping sleeve (z1), a fixing sleeve (z2), a stamping material rod (z3), a matching joint (z4) and a pressure self-adjusting mechanism (z5), wherein the stamping sleeve (z1) is welded with the fixing sleeve (z2), the top end of the stamping material rod (z3) is installed inside the stamping sleeve (z1) in an embedding mode, the top end of the matching joint (z4) is fixedly connected with the stamping material rod (z3), and the top end of the pressure self-adjusting mechanism (z5) is connected with the left side and the right side of the bottom end of the fixing sleeve (z 2);

join in marriage joint (z4) and include that rivet long nail (z41), direction join in marriage depression bar (z42), violently tie up mechanism (z43), adapter sleeve (z44), rivet long nail (z41) is installed inside adapter sleeve (z44) through the mode of embedding, tie up mechanism (z43) and adapter sleeve (z44) fixed connection together violently, direction join in marriage depression bar (z42) and be equipped with two altogether and movable mounting at the horizontal left and right sides that ties up mechanism (z43) below.

2. A self-adjusting punching adaptor automatic rivet inserting machine according to claim 1, characterized in that: the pressure self-regulating mechanism (z5) comprises an elastic force traction belt (z51), a regulation correction piece (z52) and a movable sleeve locking mechanism (z53), wherein the top end of the regulation correction piece (z52) is fixedly connected with the movable sleeve locking mechanism (z53), and the movable sleeve locking mechanism (z53) is connected with the bottom end of the fixed sleeve (z2) through the elastic force traction belt (z 51).

3. A self-adjusting punching adaptor automatic rivet inserting machine according to claim 1, characterized in that: the transverse binding mechanism (z43) comprises a resistance sheet (z431), an air bag (z432), a sleeve piece (z433) and a pulling belt (z434), wherein the resistance sheet (z431) is installed inside the sleeve piece (z433) in an embedded mode, the air bag (z432) is provided with two resistance sheets which are fixedly installed on the left side and the right side of the sleeve piece (z433), and the pulling belt (z434) is connected with the resistance sheet (z 431).

4. A self-adjusting punching adaptor automatic rivet inserting machine according to claim 2, characterized in that: the movable sleeve locking mechanism (z53) comprises a seal (z531), a locking matching strip (z532) and a movable sleeve (z533), wherein the seal (z531) is arranged on the inner surface of the movable sleeve (z533), and the locking matching strip (z532) and the movable sleeve (z533) are fixedly connected together and are positioned between the two seals (z 531).

5. A self-adjusting punching matching automatic rivet inserting machine according to claim 4, characterized in that: the locking bar (z532) comprises a pressing piece (zz1), an air groove (zz2), a rotating shaft (zz3), a transverse belt (zz4), a sealing lock sleeve (zz5), a magnetic sheet (zz6) and a locking bar (zz7), the pressing piece (zz1) is fixedly installed inside the left side of the locking bar (zz7), the magnetic sheet (zz6) is attached to the transverse belt (zz4), the rotating shaft (zz3) is installed inside the locking bar (zz7) in an embedding mode, the sealing lock sleeve (zz5) is attached to the transverse belt (zz4), and the air groove (zz2) and the locking bar (zz7) are of an integrated structure.

6. A self-adjusting punching matching automatic rivet inserting machine according to claim 5, characterized in that: the sealing lock sleeve (zz5) comprises a guide groove (zz51), a guide rod (zz52), a spring (zz53) and a sealing sleeve (zz54), the spring (zz53) is embedded in the guide rod (zz52), the guide groove (zz51) is arranged in the sealing sleeve (zz54), and the sealing sleeve (zz54) is welded with the spring (zz 53).

7. A riveting machine and method of use according to any one of claims 1-6, characterized in that:

after the inserting workpiece is input, along with the stamping of the stamping material rod (z3), the matching head (z4) can be pushed and the counter pressure self-regulating mechanism (z5) is carried to face downwards to carry out vertical pressing, and the elastic traction belt (z51) is in a fixed connection state due to the fact that two ends of the elastic traction belt are in a fixed connection state;

the adjusting correcting piece (z52) can be embedded into a punching hole through a sharp-end blade at the bottom when the adjusting correcting piece (z52) is continuously elongated under the condition that the distance between the adjusting correcting piece and the fixing sleeve (z2) is continuously increased, and the adjusting correcting piece can be used for aligning the punching calibers of the material plates through a downward inclined plane when the material plates are punched in a half stroke of pressing, so that the shaft center overlap ratio of rivets in the punching process is increased, and the rivets are impacted to the half stroke;

the extension degree of the elastic traction belt (z51) reaches the limit, so that the reverse acting force of the upper end and the lower end of the movable sleeve locking mechanism (z53) reaches the maximum value, the pressure bearing capacity of the pressing sheet (zz1) is the maximum, the pressing sheet (zz1) is further sunken towards the inside, the air groove (zz2) is further extruded, the air in the air groove (zz2) is pressed into the cross belt (zz4), the expanded cross belt (zz4) can directly prop open the magnetic sheet (zz6) absorbing and controlling the guide rod (zz52), and the guide rod (zz52) is further retracted into the sealed locking sleeve (zz 5);

therefore, the rotating shaft (zz3) is converted into a movable state from a fixed state, the locking bar (zz7) can have a sufficient movable interval to remove the convex strip clamping piece on the outer side surface of the mating head (z4), the pressure self-regulating mechanism (z5) can reset upwards under the control of the elastic traction belt (z51) reaching the limit state, and the rivet long nail (z41) can be smoothly embedded into the flitch mating hole which is regulated by the pressure self-regulating mechanism (z5) along with the continuous pressing process of the connecting sleeve (z 44);

and when the residual rivet caps are contacted and pulled, the directional pressure distribution rod (z42) is restrained by the material plate and can be pushed inwards, gas in the travelling path can be pressed into the air bag (z432), traction is generated on the pulling strip (z434), the resistance sheet (z431) is pressed out of the sleeve piece (z433) to separate the sleeve piece (z41) in the upper and lower stacking state, and the sleeve piece (z41) in the stamping position has enough resistance when the rear pressure bearing sheet is pressed.