CN113649516A

CN113649516A - Bolt riveting mechanism for chassis of air conditioner external unit and production system

Info

Publication number: CN113649516A
Application number: CN202110907861.8A
Authority: CN
Inventors: 杨顺童; 于华锋; 许勇; 刘鹏; 曹亚男; 朱家周
Original assignee: Gree Electric Appliances Inc of Zhuhai; Gree Wuhu Electric Appliances Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Gree Wuhu Electric Appliances Co Ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-11-16

Abstract

The invention discloses a bolt riveting mechanism and a production system for a chassis of an air conditioner external unit, relates to the technical field of air conditioners, and solves the problems of high labor input, low per-capita production efficiency, high machine tool input and high tool input in a production mode of the chassis of the air conditioner external unit in the prior art. The upper die of the bolt riveting mechanism is provided with a bolt feeding driving part and a bolt riveting punch, the lower die is provided with a bolt feeding assembly, when an upper sliding block of a punch moves, the bolt feeding driving part reciprocates in the vertical direction along with the movement of the upper sliding block of the punch, and the bolt feeding assembly is driven to reciprocate in the horizontal direction by the contact and separation of the bolt feeding driving part and the bolt feeding assembly so as to convey the bolt to a riveting station; and when the sliding block on the punch press acts again, the riveting action is completed by the contact of the bolt riveting punch and the bolt of the riveting station. The bolt riveting mechanism can reduce the investment of manpower and special equipment in the transferring process and the riveting process, and improve the per-capita production efficiency.

Description

Bolt riveting mechanism for chassis of air conditioner external unit and production system

Technical Field

The invention relates to the technical field of air conditioners, in particular to a bolt riveting mechanism for a chassis of an air conditioner outer unit and a production system for the chassis of the air conditioner outer unit.

Background

The chassis of the air conditioner outer unit is one of main parts of the air conditioner outer unit, and the chassis of the air conditioner outer unit has large production capacity and more working procedures. At present, the production mode of the chassis of the air conditioner external unit is as follows: the product is punched out first and then transferred to other machine tools for riveting bolts. In the process of riveting the bolts, one person is required to place the bolts in bolt holes of a riveting machine tool, another person is required to place the chassis of the air conditioner external unit on the riveting machine tool, and the riveting process is completed by the action of the riveting machine tool.

However, the applicant finds that the production mode of the existing air conditioner external unit chassis has at least the following defects: the riveting process of the chassis of the air conditioner external unit can be completed only by 2 persons cooperating together, and the defects of large manpower input, low per-capita production efficiency, more machine tool input and more tool input exist; on the other hand, because the aperture of the bolt hole on the riveting machine tool is small, when an operator places the bolt in the bolt hole, the operation is convenient because a large operation space is needed, and the bolt can be accurately placed in the bolt hole only at a low speed, so that the efficiency is low.

Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a production mode of an air conditioner external unit chassis that can reduce manpower and equipment investment by improving the production mode of the existing air conditioner external unit chassis.

Disclosure of Invention

The invention provides a bolt riveting mechanism and a production system for an air conditioner outer unit chassis, and solves the technical problems of high labor input, low per capita production efficiency, high machine tool input and high tool input in the production mode of the air conditioner outer unit chassis in the prior art. The various technical effects that can be produced by the preferred technical solution of the present invention are described in detail below.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention relates to a bolt riveting mechanism for a chassis of an air conditioner external unit, which comprises an upper die and a lower die, wherein the upper die is fixed on an upper sliding block of a punch press, the lower die is fixed on a lower table surface of the punch press, a bolt feeding driving part and a bolt riveting punch are arranged on the upper die, a bolt feeding assembly is arranged on the lower die, and when the upper sliding block of the punch press acts, the bolt feeding driving part reciprocates in the vertical direction along with the action of the upper sliding block of the punch press and drives the bolt feeding assembly to reciprocate in the horizontal direction to convey a bolt to a riveting station through the contact and separation of the bolt feeding driving part and the bolt feeding assembly; and when the sliding block on the punch press acts again, the riveting action is completed through the contact of the bolt riveting punch and the bolt of the riveting station.

According to a preferred embodiment, one end of the bolt feeding driving portion, which is close to the bolt feeding assembly, is of an inclined surface structure, the bolt feeding assembly is driven to move in a direction away from a riveting station through abutting of the inclined surface of the bolt feeding driving portion and the bolt feeding assembly, and the bolt feeding assembly is driven to move in a direction close to the riveting station through separation of the inclined surface of the bolt feeding driving portion and the bolt feeding assembly.

According to a preferred embodiment, a first return spring is further arranged on the lower die, one end of the first return spring is connected with the bolt feeding assembly, the other end of the first return spring is fixed to the lower die, and when the bolt feeding driving portion drives the bolt feeding assembly to move in a direction away from the riveting station, the length of the first return spring is gradually shortened and is in a gradually compressed state; when the bolt feeding driving portion is separated from the bolt feeding assembly, the length of the first return spring gradually extends and drives the bolt feeding assembly to move towards the direction close to the riveting station, and therefore the bolt is conveyed to the riveting station.

According to a preferred embodiment, the bolt feeding assembly comprises a first sliding block, a bearing, a second sliding block, a guide rail, a push rod and a pushing claw assembly, wherein the bearing is installed on the first sliding block, the guide rail is fixed on the lower die, the second sliding block is arranged on the guide rail in a sliding mode, the first sliding block is connected with the second sliding block, the push rod is connected with the second sliding block, the pushing claw assembly is arranged on the push rod, when an upper sliding block of a punch moves downwards, the bolt feeding driving portion is abutted to the bearing and drives the first sliding block and the second sliding block to slide on the guide rail, and the push rod moves in a direction away from a riveting station under the driving of the first sliding block and the second sliding block; when the punch press upper slide block moves upwards, the bolt feeding driving part is separated from the bearing, the push rod is driven by the first slide block and the second slide block to move towards the direction close to the riveting station, and the bolt is conveyed to the riveting station through the pushing claw assembly.

According to a preferred embodiment, the pushing claw assembly comprises a pushing claw, a rotating shaft and a second return spring, wherein the rotating shaft is fixed on the push rod, the pushing claw is rotatably arranged on the rotating shaft, one end of the second return spring is connected with the pushing claw, the other end of the second return spring is fixed on the push rod, in the process that the push rod moves in the direction away from the riveting station, when the pushing claw is in contact with a bolt to be conveyed, the end of the pushing claw rotates in the direction close to the push rod, the length of the second return spring is gradually shortened and is in a gradually compressed state, and when the pushing claw is separated from the bolt to be conveyed, the length of the second return spring gradually extends and drives the end of the pushing claw to rotate in the direction away from the push rod; and in the process that the push rod moves towards the direction close to the riveting station, the pushing claw pushes the bolt to be conveyed to the riveting station.

According to a preferred embodiment, the lower die is further provided with a bolt fixing assembly, and the bolt fixing assembly is located at a riveting station and used for fixing bolts conveyed by the bolt feeding assembly.

According to a preferred embodiment, the bolt fixing assembly comprises a first mold half, a second mold half, a fixing shaft, a third return spring and a fourth return spring, wherein the fixing shaft is fixed on the lower mold, one end of the first mold half and one end of the second mold half are rotatably arranged on the fixing shaft, the other end of the first mold half and the other end of the second mold half have an open state and a closed state, a fixing hole is formed between the first mold half and the second mold half, one end of the third return spring is connected with the first mold half, the other end of the third return spring is fixed on the lower mold, one end of the fourth return spring is connected with the second mold half, the other end of the fourth return spring is fixed on the lower mold, and when the bolt feeding assembly moves to the riveting station, the first mold half and the second mold half rotate in the direction of the open state under the extrusion of the bolt, the lengths of the third return spring and the fourth return spring are gradually shortened and are in a gradually compressed state; when the bolt is conveyed to the fixing hole, the lengths of the third return spring and the fourth return spring gradually extend and respectively drive the first die piece and the second die piece to rotate towards the direction of the closed state, so that the bolt is fixed.

According to a preferred embodiment, the inner sides of the first mold half and the second mold half are respectively provided with a semicircular hole, two semicircular holes form a fixing hole, the circle center of the semicircular hole and the circle center of a bolt in the fixing hole are overlapped with each other, and the diameter of the semicircular hole is the same as the outer diameter of the bolt in the fixing hole.

According to a preferred embodiment, the ends of the first and second mold halves, which are far away from the fixed shaft, are respectively provided with a first guide part and a second guide part, the first guide part and the second guide part are in a slope structure, and when the first and second mold halves are in a closed state, the first guide part and the second guide part are formed into a notch structure.

The production system for the chassis of the air conditioner external unit comprises a punch and a bolt riveting mechanism, wherein the bolt riveting mechanism is arranged on the punch and is the bolt riveting mechanism for the chassis of the air conditioner external unit according to any technical scheme of the invention.

The bolt riveting mechanism and the production system for the chassis of the air conditioner external unit, provided by the invention, have the following beneficial technical effects at least:

the invention relates to a bolt riveting mechanism for a chassis of an air conditioner external unit.A bolt feeding driving part reciprocates in the vertical direction along with the action of a slide block on a punch, and drives a bolt feeding component to reciprocate in the horizontal direction to convey a bolt to a riveting station through the contact and separation of the bolt feeding driving part and the bolt feeding component; when the sliding block on the punch press moves again, the bolt riveting punch contacts with the bolt of the riveting station to complete riveting, namely the invention provides a novel bolt riveting process.

The production system for the chassis of the air conditioner external unit comprises a punch and a bolt riveting mechanism, wherein the bolt riveting mechanism is arranged on the punch and is the bolt riveting mechanism for the chassis of the air conditioner external unit in any technical scheme of the invention, namely, the invention also provides a novel production mode for the chassis of the air conditioner external unit.

The bolt riveting mechanism and the production system for the chassis of the air conditioner external unit solve the technical problems of large labor input, low per-capita production efficiency, more machine tool input and more tool input in the production mode of the chassis of the air conditioner external unit in the prior art.

In addition, the preferred technical scheme of the invention can also produce the following technical effects:

the bolt fixing assembly in the preferred technical scheme comprises a first die, a second die, a fixing shaft, a third return spring and a fourth return spring, wherein the first die and the second die can be in an open state under the extrusion of bolts, the first die and the second die can also be in a closed state under the elastic force action of the third return spring and the fourth return spring, and the bolts can be accurately conveyed into fixing holes to be fixed through the opening and closing of the first die and the second die, and the bolt fixing assembly has the advantage of high efficiency. The bolt fixing assembly with the preferred technical scheme solves the technical problems that a larger operation space is needed when bolts are placed, the efficiency is low and the alignment is difficult in the prior art.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a preferred embodiment of a bolt riveting mechanism for a chassis of an air conditioner external unit according to the present invention;

FIG. 2 is a first schematic view of a preferred embodiment of the bolt feed assembly of the present invention;

FIG. 3 is a second schematic view of a preferred embodiment of the bolt feed assembly of the present invention;

FIG. 4 is a third schematic view of a preferred embodiment of the bolt feed assembly of the present invention;

FIG. 5 is a fourth schematic view of a preferred embodiment of the bolt feed assembly of the present invention;

FIG. 6 is a first schematic view of a preferred embodiment of the lower die of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is a schematic view of a preferred embodiment of the bolt securing assembly of the present invention;

FIG. 9 is a second schematic view of a preferred embodiment of the lower die of the present invention;

fig. 10 is a partially enlarged view of fig. 9.

In the figure: 10. an upper die; 101. a bolt feeding driving part; 102. riveting a punch through a bolt; 20. a lower die; 201. a bolt feeding assembly; 2011. a first slider; 2012. a bearing; 2013. a second slider; 2014. a guide rail; 2015. a push rod; 2016. pushing the claw; 2017. a rotating shaft; 2018. a second return spring; 202. a first return spring; 203. a bolt fixing assembly; 2031. a first mold half; 2031a, a first guide part; 2032. a second mold half; 2032a, a second guide part; 2033. a fixed shaft; 2034. a third return spring; 2035. a fourth return spring; 30. the disk is vibrated.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The bolt riveting mechanism and the production system for the chassis of the air conditioner external unit are described in detail below with reference to the accompanying drawings 1-10 and the embodiments 1 and 2 of the specification.

Example 1

The embodiment describes the bolt riveting mechanism for the chassis of the air conditioner external unit in detail.

The bolt riveting mechanism for the chassis of the air conditioner external unit comprises an upper die 10 and a lower die 20, as shown in fig. 1. Preferably, the upper die 10 is fixed to the upper slide of the punch press, and the lower die 20 is fixed to the lower table of the punch press. The upper die 10 is provided with a bolt feeding driving part 101 and a bolt riveting punch 102, and the lower die 20 is provided with a bolt feeding assembly 201, as shown in fig. 1. When the sliding block on the punch press moves, the bolt feeding driving part 101 reciprocates in the vertical direction along with the movement of the sliding block on the punch press, and drives the bolt feeding assembly 201 to reciprocate in the horizontal direction to convey the bolt to the riveting station through the contact and separation of the bolt feeding driving part 101 and the bolt feeding assembly 201; when the sliding block on the punch press acts again, the riveting punch 102 is contacted with the bolt of the riveting station through the bolt to complete the riveting action. The construction of the bolt riveting punch 102 may be the same as the prior art and will not be described in detail herein. Specifically, when the sliding block on the punch moves downward again, the bolt riveting punch 102 on the upper die 10 contacts the bolt of the riveting station to start riveting, and when the sliding block on the punch moves to the bottom dead center, the riveting operation is completed. Therefore, the upper die 10 can reciprocate once along with the upper sliding block of the punch press, so that the bolts can be conveyed to the riveting station, and the riveting action can be completed on the bolts conveyed by the last reciprocating motion.

Preferably, the number of bolt feeding driving portions 101 and the number of bolt feeding assemblies 201 may be determined based on the number of bolts to be riveted, and the number of bolt feeding driving portions 101 and the number of bolt feeding assemblies 201 correspond one to one. For example, the number of the bolt feeding driving portions 101 is three, the number of the bolt feeding assemblies 201 is also three, and the three bolt feeding driving portions 101 respectively drive the three bolt feeding assemblies 201 to reciprocate in the horizontal direction to convey the three bolts to the riveting station, as shown in fig. 1.

The bolt riveting mechanism for the chassis of the air conditioner outer unit is used in the production process of the chassis of the air conditioner outer unit, the bolt riveting mechanism for the chassis of the air conditioner outer unit can be used in the production process of the chassis of the air conditioner outer unit, integrated production of stamping and bolt riveting can be achieved, manpower and special equipment investment in a transfer process and a riveting process are reduced, 2 people are reduced on a single shift, production efficiency per person is improved, and production cost is reduced. This embodiment is used for the bolt riveting mechanism on outer quick-witted chassis of air conditioner promptly, has solved among the prior art outer quick-witted chassis of air conditioner production mode and has had the technical problem that the human input is big, the average production efficiency of people is low, the lathe drops into many, the frock drops into many.

According to a preferred embodiment, one end of the bolt feeding driving portion 101 close to the bolt feeding assembly 201 is of an inclined surface structure, the bolt feeding assembly 201 is driven to move in a direction away from the riveting station by the abutment of the inclined surface of the bolt feeding driving portion 101 and the bolt feeding assembly 201, and the bolt feeding assembly 201 is moved in a direction close to the riveting station by the separation of the inclined surface of the bolt feeding driving portion 101 and the bolt feeding assembly 201, as shown in fig. 1. Preferably, the length of the inclined surface is determined by the bolt feeding driving portion 101 driving the bolt feeding assembly 201 to move from the initial position to the position where the bolt can be pushed, that is, the bolt feeding assembly 201 is driven to move from the position a to the position B in fig. 1.

According to a preferred embodiment, a first return spring 202 is also provided on the lower die 20, as shown in FIG. 1. One end of the first return spring 202 is connected to the bolt feeding assembly 201, and the other end of the first return spring 202 is fixed to the lower mold 20. When the bolt feeding driving part 101 drives the bolt feeding assembly 201 to move in a direction away from the riveting station, the length of the first return spring 202 is gradually shortened and is in a gradually compressed state; when the bolt feeding driving portion 101 is separated from the bolt feeding assembly 201, the length of the first return spring 202 is gradually extended and drives the bolt feeding assembly 201 to move towards the riveting station, so that the bolt is conveyed to the riveting station. The material, elasticity and/or length of the first return spring 202 are determined based on the driving force required by the bolt feeding assembly 201 to return. The lower die 20 according to the preferred technical solution of this embodiment is further provided with a first return spring 202, and when the bolt feeding driving portion 101 is separated from the bolt feeding assembly 201, the bolt feeding assembly 201 is driven to move in a direction close to the riveting station by using the elastic force of the first return spring 202, that is, the bolt feeding assembly 201 is driven to move from the position B to the position a in fig. 1, so that the bolt is pushed to the riveting station.

According to a preferred embodiment, the bolt feed assembly 201 includes a first slide 2011, a bearing 2012, a second slide 2013, a guide 2014, a push rod 2015, and a pusher jaw assembly, as shown in fig. 2-5. Wherein, bearing 2012 installs on first slider 2011, and guide rail 2014 is fixed in on lower mould 20, and second slider 2013 slides and sets up on guide rail 2014, and first slider 2011 is connected with second slider 2013, and push rod 2015 is connected with second slider 2013, and the promotion claw subassembly sets up on push rod 2015, as shown in fig. 2 ~ 5. When the sliding block on the punch moves downwards, the bolt feeding driving part 101 abuts against the bearing 2012 and drives the first sliding block 2011 and the second sliding block 2013 to slide on the guide rail 2014, and the push rod 2015 is driven by the first sliding block 2011 and the second sliding block 2013 to move towards the direction far away from the riveting station; when the sliding block moves upwards on the punch press, the bolt feeding driving part 101 is separated from the bearing 2012, the push rod 2015 is driven by the first sliding block 2011 and the second sliding block 2013 to move towards the direction close to the riveting station, and the bolt is conveyed to the riveting station through the pushing claw assembly. According to the structure of the bolt feeding assembly 201 in the preferred technical scheme of the embodiment, the first slider 2011 and the second slider 2013 are used for sliding to drive the push rod 2015 to slide, namely, when the bolt feeding assembly 201 moves from the position B to the position A in fig. 1, the bolt is pushed to the riveting station through the claw pushing assembly on the push rod 2015.

Preferably, the number of the pushing claw assemblies is two, and the two pushing claw assemblies are arranged at intervals, as shown in fig. 3. The preferred technical scheme of this embodiment promotes the quantity of claw subassembly and is two sets of, and two sets of promotion claw subassemblies interval sets up, moves to the A position from the B position in fig. 1 at bolt feeding subassembly 201, and one of them promotes claw subassembly and can promote the bolt of C position in fig. 6 to riveting station, and another promotes claw subassembly and can promote the bolt of D position in fig. 6 to C position to can improve bolt transport efficiency next time.

According to a preferred embodiment, the pusher jaw assembly includes a pusher jaw 2016, a rotatable shaft 2017, and a second return spring 2018, as shown in FIG. 3. The rotating shaft 2017 is fixed on the push rod 2015, the pushing claw 2016 is rotatably arranged on the rotating shaft 2017, one end of the second return spring 2018 is connected with the pushing claw 2016, the other end of the second return spring 2018 is fixed to the push rod 2015, in the process that the push rod 2015 moves in the direction far away from the riveting station, when the pushing claw 2016 is in contact with a bolt to be conveyed, the end of the pushing claw 2016 rotates in the direction close to the push rod 2015, the length of the second return spring 2018 is gradually shortened and is in a gradually compressed state, and when the pushing claw 2016 is separated from the bolt to be conveyed, the length of the second return spring 2018 is gradually increased and drives the end of the pushing claw 2016 to rotate in the direction far away from the push rod 2015; during the push rod 2015 moves towards the direction close to the riveting station, the pushing claw 2016 pushes the bolt to be conveyed to the riveting station. The material, the magnitude of elasticity, and/or the length of the second return spring 2018 are determined based on the driving force required when the pushing claw 2016 is returned. In the structure of the pushing claw in the preferred technical scheme of the embodiment, when the pushing rod 2015 moves in the direction away from the riveting station, that is, when the bolt feeding assembly 201 moves from the position a to the position B in fig. 1, the pushing claw 2016 is in contact with the bolt to be conveyed (that is, the bolt located at the position C, D in fig. 6), the end of the pushing claw 2016 is blocked by the bolt and rotates into the pushing rod 2015; when the upper die 10 moves to the bottom dead center along with the upper sliding block of the punch, that is, the bolt feeding assembly 201 moves from the position a to the position B in fig. 1, at this time, the pushing claw 2016 is not in contact with the bolt to be conveyed (that is, the bolt located at the position C, D in fig. 6), the resistance applied to the end of the pushing claw 2016 is eliminated, and the pushing claw 2016 extends out of the push rod 2015 under the action of the second return spring 2018; when the upper die 10 moves upwards along with the upper slide block of the punch press, the bolt feeding assembly 201 moves towards the riveting station under the elastic force of the first return spring 202, that is, the bolt feeding assembly 201 moves from the position B to the position a in fig. 1, and the pushing claw 2016 pushes the bolt at the position C, D in fig. 6 to move towards the riveting station.

According to a preferred embodiment, a bolt fixing assembly 203 is further disposed on the lower mold 20, and the bolt fixing assembly 203 is located at the riveting station for fixing the bolts conveyed by the bolt feeding assembly 201, as shown in fig. 6 or 9. Preferably, bolt securing assembly 203 includes a first die 2031, a second die 2032, a stationary shaft 2033, a third return spring 2034, and a fourth return spring 2035, as shown in FIG. 8. The fixing shaft 2033 is fixed on the lower mold 20, one ends of the first mold half 2031 and the second mold half 2032 are rotatably disposed on the fixing shaft 2033, the other ends of the first mold half 2031 and the second mold half 2032 have an open state and a closed state, a fixing hole is formed between the first mold half 2031 and the second mold half 2032, one end of the third return spring 2034 is connected with the first mold half 2031, the other end of the third return spring 2034 is fixed on the lower mold 20, one end of the fourth return spring 2035 is connected with the second mold half 2032, and the other end of the fourth return spring 2035 is fixed on the lower mold 20, as shown in fig. 8. When the bolt feeding assembly 201 moves to the riveting station, the first die 2031 and the second die 2032 rotate in the direction of opening under the extrusion of the bolt, and the lengths of the third return spring 2034 and the fourth return spring 2035 gradually shorten and are in a gradually compressed state; when the bolt is delivered to the fixing hole, the lengths of the third and fourth return springs 2034 and 2035 are gradually extended and drive the first and

second mold halves

2031 and 2032 to rotate in the closed state, respectively, to fix the bolt. The material, elasticity and/or length of the third return spring 2034 and the fourth return spring 2035 are determined based on the driving force required to return the first mold half 2031 and the second mold half 2032. Fig. 6 and 7 are schematic views of first and

second mold halves

2031, 2032 in an open state, and fig. 9 and 10 are schematic views of first and

second mold halves

2031, 2032 in a closed state. In the structure of the bolt fastening assembly according to the preferred embodiment of the present invention, the first mold half 2031 and the second mold half 2032 can be in an open state under the extrusion of the bolt, the first mold half 2031 and the second mold half 2032 can also be in a closed state under the elastic force action of the third return spring 2034 and the fourth return spring 2035, and through the open and close of the first mold half 2031 and the second mold half 2032, the bolt can be accurately conveyed into the fastening hole for fastening, and the bolt fastening assembly also has the advantage of high efficiency. The bolt fastening assembly of the preferred technical scheme of this embodiment promptly not only needs great operating space when having solved among the prior art bolt and placing, but also has inefficiency, the difficult technical problem of counterpointing.

Specifically, as shown in the figure, when the bolt at the C position in fig. 6 contacts the bolt fastening assembly 203 in the closed state and continues to move into the bolt fastening assembly 203, the first die piece 2031 and the second die piece 2032 are pressed into the open state, as shown in fig. 6 or fig. 7, when the bolt feeding assembly 201 moves from the B position in fig. 1 to the a position, the bolt at the C position is pushed into the bolt fastening assembly 203, and the first die piece 2031 and the second die piece 2032 are in the closed state under the elastic force of the third return spring 2034 and the fourth return spring 2035, and the bolt is fastened in the bolt fastening assembly 203, as shown in fig. 9 or fig. 10; and the bolt in position D is pushed to position C.

According to a preferred embodiment, the inner sides of the first and

second die halves

2031, 2032 are respectively provided with semicircular holes, the two semicircular holes form fixing holes, and the center of the semicircular hole overlaps the center of the bolt located in the fixing hole, the diameter of the semicircular hole is the same as the outer diameter of the bolt located in the fixing hole, as shown in fig. 8. In the preferred technical scheme of this embodiment, the semicircular centers and diameters of the first and

second mold halves

2031 and 2032 are set, so that the concentricity of the fixing hole and the bolt can be ensured, and the bolt can be accurately positioned.

According to a preferred embodiment, the ends of first and

second halves

2031, 2032 distal from fixed axis 2033 are provided with first and

second guides

2031a, 2032a, respectively, as shown in FIG. 8. Preferably, the first guide portion 2031a and the second guide portion 2032a are formed in a slope structure, and when the first mold half 2031 and the second mold half 2032 are in a closed state, the first guide portion 2031a and the second guide portion 2032a are formed in a notch structure, as shown in fig. 8 or 10. In the preferred embodiment, the first guide portion 2031a and the second guide portion 2032a form a notch structure, when the bolt to be conveyed contacts the bolt fastening assembly 203 in the closed state, the bolt first contacts the notch structure, and the notch structure is beneficial to guiding the bolt, so that the bolt continues to move into the bolt fastening assembly 203, and the first die piece 2031 and the second die piece 2032 are pressed into the open state.

According to a preferred embodiment, the bolt-riveting mechanism for a chassis of an external unit for an air conditioner further includes a vibration plate 30, as shown in fig. 1. The vibratory pan 30 is used to deliver the bolt to the initial position, position D in fig. 6. The structure of the vibratory pan 30 may be the same as the prior art and will not be described in detail herein. The bolt riveting mechanism for the chassis of the air conditioner external unit in the preferred technical scheme of the embodiment further comprises the vibration disc 30, and bolts can be continuously conveyed to the lower die 20 under the action of the vibration disc 30, so that the bolts can be continuously conveyed to the riveting station, and the efficiency of the riveting process is improved.

Example 2

This embodiment will explain the present invention in detail with respect to a production system for a chassis of an air conditioner outdoor unit.

The production system for the chassis of the air conditioner external unit comprises a punch and a bolt riveting mechanism. Preferably, the bolt riveting mechanism is arranged on a punch, and the bolt riveting mechanism is the bolt riveting mechanism for the chassis of the air conditioner external unit in any one of the technical solutions of embodiment 1. Preferably, the structure of the punching machine can be the same as that of the prior art, and the punching machine is used for punching products, and the detailed description is omitted.

The production system for the chassis of the air conditioner outer unit is characterized in that a new production mode for the chassis of the air conditioner outer unit is provided, the production process of the chassis of the air conditioner outer unit can realize punching and bolt riveting integrated production, manpower and special equipment investment in a transfer process and a riveting process are reduced, 2 persons are reduced in a single shift, the per-person production efficiency is improved, and the production cost is reduced. This embodiment is used for the production system of outer quick-witted chassis of air conditioner promptly, has solved among the prior art outer quick-witted chassis of air conditioner production mode and has had the technical problem that the human input is big, the average production efficiency of people is low, the lathe drops into many, the frock drops into many.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; 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 should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A bolt riveting mechanism for a chassis of an air conditioner external unit is characterized by comprising an upper die (10) and a lower die (20), wherein the upper die (10) is fixed on an upper sliding block of a punch press, the lower die (20) is fixed on a lower table top of the punch press, a bolt feeding driving part (101) and a bolt riveting punch (102) are arranged on the upper die (10), a bolt feeding assembly (201) is arranged on the lower die (20),

when the sliding block on the punch press moves, the bolt feeding driving part (101) reciprocates in the vertical direction along with the movement of the sliding block on the punch press, and drives the bolt feeding assembly (201) to reciprocate in the horizontal direction to convey bolts to a riveting station through the contact and separation of the bolt feeding driving part (101) and the bolt feeding assembly (201); and when the sliding block on the punch press acts again, the bolt riveting punch (102) is contacted with the bolt of the riveting station to complete the riveting action.

2. The bolt riveting mechanism for the chassis of the external unit of the air conditioner as claimed in claim 1, wherein one end of the bolt feeding driving part (101) close to the bolt feeding assembly (201) is of an inclined surface structure, the bolt feeding assembly (201) is driven to move in a direction away from a riveting station by the abutment of the inclined surface of the bolt feeding driving part (101) and the bolt feeding assembly (201), and the bolt feeding assembly (201) is driven to move in a direction close to the riveting station by the separation of the inclined surface of the bolt feeding driving part (101) and the bolt feeding assembly (201).

3. The bolt riveting mechanism for an air conditioner external unit chassis according to claim 1 or 2, wherein a first return spring (202) is further disposed on the lower mold (20), one end of the first return spring (202) is connected with the bolt feeding assembly (201), the other end of the first return spring (202) is fixed to the lower mold (20), and

when the bolt feeding driving part (101) drives the bolt feeding assembly (201) to move in a direction away from a riveting station, the length of the first return spring (202) is gradually shortened and is in a gradually compressed state; when the bolt feeding driving portion (101) is separated from the bolt feeding assembly (201), the length of the first return spring (202) is gradually increased and drives the bolt feeding assembly (201) to move towards the direction close to the riveting station, so that the bolt is conveyed to the riveting station.

4. The bolt riveting mechanism for the chassis of the outdoor unit of the air conditioner as claimed in claim 1, wherein the bolt feeding assembly (201) comprises a first slider (2011), a bearing (2012), a second slider (2013), a guide rail (2014), a push rod (2015) and a push claw assembly, wherein,

the bearing (2012) is installed on the first slider (2011), the guide rail (2014) is fixed on the lower die (20), the second slider (2013) is slidably arranged on the guide rail (2014), the first slider (2011) is connected with the second slider (2013), the push rod (2015) is connected with the second slider (2013), the push claw component is arranged on the push rod (2015),

when an upper sliding block of the punch press moves downwards, the bolt feeding driving part (101) is abutted to the bearing (2012) and drives the first sliding block (2011) and the second sliding block (2013) to slide on the guide rail (2014), and the push rod (2015) is driven by the first sliding block (2011) and the second sliding block (2013) to move towards the direction far away from the riveting station; when slider upward movement on the punch press, bolt pay-off drive division (101) with bearing (2012) separation, push rod (2015) is in first slider (2011) with the direction motion that is close to the riveting station under the drive of second slider (2013), and pass through it carries the bolt to the riveting station to promote claw subassembly.

5. The bolt riveting mechanism for an air conditioner outer machine chassis according to claim 4, wherein the pushing claw assembly comprises a pushing claw (2016), a rotating shaft (2017) and a second return spring (2018), wherein the rotating shaft (2017) is fixed on the push rod (2015), the pushing claw (2016) is rotatably arranged on the rotating shaft (2017), one end of the second return spring (2018) is connected with the pushing claw (2016), the other end of the second return spring (2018) is fixed on the push rod (2015), and

in the process that the push rod (2015) moves away from the riveting station, when the pushing claw (2016) is in contact with a bolt to be conveyed, the end of the pushing claw (2016) rotates towards the direction close to the push rod (2015), the length of the second return spring (2018) is gradually shortened and is in a gradually compressed state, and when the pushing claw (2016) is separated from the bolt to be conveyed, the length of the second return spring (2018) is gradually increased and drives the end of the pushing claw (2016) to rotate towards the direction away from the push rod (2015); during the push rod (2015) moves towards the direction close to the riveting station, the pushing claw (2016) pushes the bolt to be conveyed to the riveting station.

6. The bolt riveting mechanism for the chassis of the outdoor unit of the air conditioner as claimed in claim 1, wherein a bolt fixing assembly (203) is further arranged on the lower die (20), and the bolt fixing assembly (203) is located at a riveting station and used for fixing the bolt conveyed by the bolt feeding assembly (201).

7. The bolt riveting mechanism for an outer machine chassis of an air conditioner according to claim 6, wherein the bolt fixing assembly (203) comprises a first die (2031), a second die (2032), a fixed shaft (2033), a third return spring (2034) and a fourth return spring (2035), wherein,

the fixed shaft (2033) is fixed on the lower die (20), one end of the first mold half (2031) and one end of the second mold half (2032) are rotatably disposed on the fixed shaft (2033), the other end of the first mold half (2031) and the other end of the second mold half (2032) have an open state and a closed state, a fixed hole is formed between the first mold half (2031) and the second mold half (2032), one end of the third return spring (2034) is connected with the first mold half (2031), the other end of the third return spring (2034) is fixed on the lower die (20), one end of the fourth return spring (2035) is connected with the second mold half (2032), the other end of the fourth return spring (2035) is fixed on the lower die (20), and

when the bolt feeding assembly (201) moves to a riveting station, the first die piece (2031) and the second die piece (2032) rotate towards an opening state under the extrusion of bolts, and the lengths of the third return spring (2034) and the fourth return spring (2035) are gradually shortened and are in a gradually compressed state; when the bolt is conveyed to the fixing hole, the lengths of the third return spring (2034) and the fourth return spring (2035) are gradually extended and the first die piece (2031) and the second die piece (2032) are respectively driven to rotate towards the direction of the closed state, so that the bolt is fixed.

8. The bolt riveting mechanism for an air conditioner outer unit chassis according to claim 7, wherein the inner sides of the first and second mold halves (2031, 2032) are respectively provided with a semicircular hole, the two semicircular holes form a fixing hole, and the circle center of the semicircular hole and the circle center of the bolt in the fixing hole overlap each other, and the diameter of the semicircular hole is the same as the outer diameter of the bolt in the fixing hole.

9. The bolt riveting mechanism for an air conditioner outer unit chassis according to claim 7, wherein one ends of the first and second mold halves (2031, 2032) remote from the fixed shaft (2033) are respectively provided with a first guide portion (2031a) and a second guide portion (2032a), the first and second guide portions (2031a, 2032a) are of a slope structure, and when the first and second mold halves (2031, 2032) are in a closed state, the first and second guide portions (2031a, 2032a) are formed of a notch structure.

10. A production system for an air conditioner outer unit chassis is characterized by comprising a punch press and a bolt riveting mechanism, wherein the bolt riveting mechanism is arranged on the punch press, and the bolt riveting mechanism is the bolt riveting mechanism for the air conditioner outer unit chassis as claimed in any one of claims 1 to 9.