An assembling device for large clamping ring or large clamping spring of automobile dust cover

Abstract

The application discloses an assembling equipment for a large clasp or a large clasp spring of a dust cover of an automobile, which comprises a sleeve for receiving the large clasp or the large clasp spring and expanding the same to be matched with a lower annular groove arranged at a lower part of the dust cover of the automobile, a sleeve holding mechanism for vertically holding the sleeve, a sleeve conveying mechanism for driving the sleeve holding mechanism to vertically convey the sleeve to a feeding position or a discharging position, a poking mechanism for continuously and uniformly applying force to the large clasp or the large clasp spring and making the large clasp or the large clasp spring always adhere to the outer wall of the sleeve, and a pushing mechanism for pushing the poking assembly to vertically move downwards, poking the large clasp or the large clasp spring from the top of the sleeve to the bottom of the sleeve until the large clasp or the large clasp spring is assembled into the lower annular groove of the dust cover. The equipment has the advantages that the automation assembling is realized, the assembling efficiency can be effectively improved, the production capacity rhythm is increased, the stability, consistency and quality of products are improved, and the problem of dislocation and intersection of small clasp springs can be avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of automobile dust cover accessory assembly technology, more particularly to a kind of equipment for the assembly of large snap ring or large snap spring suitable for automobile dust cover. BACKGROUND

[0002] Currently, in the automobile steering system, connecting rod type, control arm type and other products need to install dust cover, after the dust cover is installed on the connecting rod type, control arm type and other products, how to make the dust cover be fixed well, and meet the air tightness requirement, to solve the technical problem, as shown in Figure 1 The upper part of dust cover 8 is provided with an upper annular groove 81, and a small snap ring (not shown in the figure) is arranged in the upper annular groove 81, that is, the upper part of the dust cover 8 is fixed by the small snap ring, and the lower part of the dust cover 8 is provided with a lower annular groove 82, and a large snap ring (not shown in the figure) is arranged in the lower annular groove 82, that is, the lower part of the dust cover 8 is fixed by the large snap ring, so as to reduce the penetration of water and mud into the product, and improve the sealing performance of the product. The lower part of some dust covers is not provided with a large snap ring, but is fixed by a large snap spring.

[0003] At present, the large snap ring or large snap spring is assembled on the upper part of the dust cover by manual assembly, and the manual assembly has many problems, the main problems are as follows: 1) the manual assembly efficiency is low, which leads to low production capacity; 2) the manual assembly often cannot keep up with the pace of the equipment, and the missing assembly is prone to occur; 3) the consistency of the product after the large snap ring or large snap spring is installed is poor, and the product quality cannot meet the requirements; 4) the large snap spring is manually assembled on the dust cover, and there is a problem of mispositioning and crossing. SUMMARY

[0004] The technical problem to be solved by the present application is to provide an assembly equipment for large snap ring or large snap spring suitable for automobile dust cover, which can effectively improve the assembly efficiency, increase the production rhythm, improve the stability, consistency and quality of the product, and effectively avoid the mispositioning and crossing of the large snap spring.

[0005] The technical scheme adopted by the present application to solve the above technical problem is: an assembly equipment for large snap ring or large snap spring suitable for automobile dust cover, comprising:

[0006] The umbrella sleeve is used for receiving the large snap ring or large snap spring, and is used for expanding the large snap ring or large snap spring to adapt to the lower annular groove arranged on the lower part of the automobile dust cover, and the bottom of the umbrella sleeve is designed to cover the reduced diameter cover of the bottom of the automobile dust cover;

[0007] The umbrella sleeve clamping mechanism is used for vertically clamping the umbrella sleeve;

[0008] The umbrella sleeve conveying mechanism is used to drive the umbrella sleeve holding mechanism to vertically convey the umbrella sleeve to the feeding position or the discharging position. When the umbrella sleeve is vertically conveyed upward to the feeding position, the umbrella sleeve receives the large clamping ring or the large clamping spring. When the umbrella sleeve is vertically conveyed downward to the discharging position, the reduced diameter cover is covered on the top of the automobile dust cover.

[0009] The poking mechanism includes a poking base plate and a plurality of sets of poking assemblies which are uniformly and circumferentially installed on the circumference of the poking base plate. The plurality of sets of poking assemblies are used to continuously and uniformly apply force to the large clamping ring or the large clamping spring and make the large clamping ring or the large clamping spring always adhere to the outer wall of the umbrella sleeve.

[0010] The poking conveying mechanism is used to vertically convey the poking mechanism to the umbrella sleeve located directly above the discharging position and continuously push the poking assemblies to move downward to make the large clamping ring or the large clamping spring be poked from the top to the bottom of the umbrella sleeve, so that the large clamping ring or the large clamping spring is slid into the lower annular groove of the automobile dust cover.

[0011] Further, the umbrella sleeve includes a tapered head, a holding part, a spreading part and a reduced diameter cover which are arranged from top to bottom. The small end of the tapered head is a free end for receiving the large clamping ring or the large clamping spring. The large end of the tapered head is connected with the top end of the holding part. The spreading part is in the shape of a circular truncated cone which is small at the top and large at the bottom. The spreading part includes a plurality of arc-shaped spreading pieces which are uniformly and circumferentially arranged at the bottom end of the holding part. The arc-shaped spreading pieces are arranged to be inclined downward from top to bottom. The bottom end of the arc-shaped spreading pieces is provided with a reduced diameter piece. The reduced diameter piece surrounds the reduced diameter cover. The outer wall of the reduced diameter cover is in the shape of a straight cylinder.

[0012] In this structure, the tapered head which is small at the top and large at the bottom is convenient for receiving the large clamping ring or the large clamping spring. The holding part is used to be connected with the umbrella sleeve holding mechanism. The spreading part makes the large clamping ring or the large clamping spring gradually expand, which can effectively avoid the phenomenon of misalignment and intersection of the large clamping ring or the large clamping spring during being poked away. The outer wall of the reduced diameter cover which is in the shape of a straight cylinder can make the large clamping ring or the large clamping spring smoothly slide into the lower annular groove of the automobile dust cover.

[0013] Further, the umbrella cover clamping mechanism comprises a clamping jaw cylinder, the clamping jaw cylinder comprises two clamping arms, the two clamping arms are oppositely rotated inward by 90 degrees to clamp the umbrella cover, and are oppositely rotated outward by 90 degrees to release the umbrella cover, the ends of the two clamping arms are provided with positioning clamps, the positioning clamp comprises a vertical connecting arm and a positioning clamp head fixed at the end of the clamping arm through the vertical connecting arm, the two positioning clamp heads are oppositely arranged, the peripheral wall of the clamping part is symmetrically provided with two positioning grooves, the groove bottom of the positioning groove is a plane, the groove wall of the positioning groove gradually expands from inside to outside, the head of the positioning clamp head is designed to be in a shape matched with the positioning groove, and the head of the positioning clamp head is embedded in the corresponding positioning groove when the two clamping arms of the clamping jaw cylinder clamp the umbrella cover. In this structure, the clamping force of the clamping jaw cylinder is large, and the cooperation of the positioning groove and the head of the positioning clamp head can stably clamp the umbrella cover; the groove wall of the positioning groove gradually expands from inside to outside, so that the head of the positioning clamp head is embedded.

[0014] Further, the umbrella cover conveying mechanism comprises an umbrella cover push-pull cylinder and a first guide unit, the umbrella cover push-pull cylinder is installed on one side of the assembly rack through a push-pull cylinder installation side plate, the umbrella cover push-pull cylinder is vertically installed, the push-pull rod of the umbrella cover push-pull cylinder is vertically downward, the clamping jaw cylinder is connected with the lower end of the push-pull rod through a cylinder connecting plate, and the first guide unit comprises a group of first guide rods vertically and symmetrically arranged on the push-pull cylinder installation side plate.

[0015] In this structure, the umbrella cover conveying mechanism has a simple structure and is convenient to realize; the umbrella cover push-pull cylinder is used to drive the clamping jaw cylinder to drive the umbrella cover to vertically move to a feeding position or a discharging position, the umbrella cover receives a large clamping ring or a large clamping spring when the umbrella cover vertically moves upward to the feeding position, and the reduced diameter cover is covered on the top of the automobile dust cover when the umbrella cover vertically moves downward to the discharging position.

[0016] Further, the poking component comprises a poking and a poking pressing cylinder, the poking comprises an integrated horizontal support arm and a poking arm, the poking arm is downwardly inclined from top to bottom, the end face of the poking-off end of the poking arm is designed to be a circular arc shape matched with the outer wall of the umbrella cover, the poking pressing cylinder is fixed on the circumference of the poking base plate, the lower end of the pressing plate of the poking pressing cylinder is connected with one end of the horizontal support arm, and the poking pressing cylinder is used to press the horizontal support arm to make the poking arm continuously poke the large clamping ring or the large clamping spring and be attached to the outer wall of the umbrella cover in the downward movement process.

[0017] In this structure, the pressing cylinder presses the grab through the pressing plate, so that the grab can be opened along with the opening of the outer wall of the umbrella cover, and the end face of the pushing-off end of the pushing arm is always pressed on the outer wall of the umbrella cover, so that the pushing arm pushes off the large clasp or the large spring; the end face of the pushing-off end of the pushing arm is designed as a circular arc matching the outer wall of the umbrella cover, so that the fitting effect is good, and the pushing arm moves smoothly along the outer wall of the umbrella cover.

[0018] Further, the grab conveying mechanism comprises a first grab conveying assembly and a second grab conveying assembly, the first grab conveying assembly comprises a first grab push-pull cylinder, a sliding support plate and a first linear guide pair, the sliding support plate is vertically and slidably connected to the front of the assembly rack through the first linear guide pair, the first grab push-pull cylinder is vertically fixed to the top end of the assembly rack, the pushing end of the push-pull rod of the first grab push-pull cylinder is connected to the top of the sliding support plate, and the sliding support plate is provided with a mounting rack for mounting the second grab conveying assembly;

[0019] The second grab conveying assembly comprises a second guide unit and two second grab push-pull cylinders, the two second grab push-pull cylinders are vertically and symmetrically fixed to the mounting rack, the pushing end of the push-pull rod of the second grab push-pull cylinder is connected to the grab base plate, and the second guide unit comprises a group of second guide rods vertically and symmetrically arranged on the mounting rack, the bottom end of the second guide rod is fixedly connected to the grab base plate, and the second guide rod is provided with a second guide sleeve.

[0020] In this structure, the first grab push-pull cylinder is used to push the grab mechanism to the top of the umbrella cover after the umbrella cover moves vertically downward to the feeding position, the first linear guide pair plays a guiding role, and the sliding support plate is used for connection; the second grab push-pull cylinder is used to continuously push the grab base plate to drive the grab assembly to move downward, so that a plurality of pushing arms continuously apply force to the large clasp or the large spring on the umbrella cover, the large clasp or the large spring is pushed from the upper part of the umbrella cover to the bottom part, so that the large clasp or the large spring slides into the upper annular groove arranged on the automobile dust cover; the second guide unit vertically arranged on the mounting rack is connected to the grab base plate, so that the grab assembly moves more stably along the umbrella cover.

[0021] Further, the dialing and grabbing mechanism further comprises a sheath locking assembly for locking the conical head, the sheath locking assembly comprises a locking shaft for locking the conical head and a locking shaft rotating cylinder for rotating the locking shaft, the locking shaft rotating cylinder is fixed in the mounting frame, the output end of the locking shaft rotating cylinder is fixedly connected with the top end of the locking shaft, the bottom surface of the mounting frame is vertically provided with a locking shaft protection sleeve, the bottom surface of the locking shaft protection sleeve is provided with a striding sleeve for striding the dialing arm, the bottom end outer wall of the striding sleeve is wider than the top end outer diameter of the conical head, the center of the striding sleeve is provided with a through hole penetrating from top to bottom, the locking shaft is inserted into and extends out of the through hole, the center of the conical head is provided with a lock hole, and the end of the locking shaft is provided with a lock head for locking the lock hole.

[0022] In this structure, the sheath locking assembly is used for locking the conical head of the sheath when the dialing and grabbing assembly is pushed to the top of the sheath, so as to ensure that the sheath is always stably fixed; the locking head is locked with the conical head by rotating the locking shaft through the locking shaft rotating cylinder, which has the advantage of easy implementation; the striding sleeve is installed on the dialing and grabbing base plate, and the bottom end outer wall of the striding sleeve is wider than the top end outer diameter of the conical head, which is beneficial to the dialing arm to press on the large clamp or the large spring when the end face of the dialing arm is lowered to the conical head.

[0023] Further, the bottom of the sliding support plate is provided with a first oil buffer, the front surface of the assembly frame is provided with a collision block corresponding to the first oil buffer, the first oil buffer is in contact with the collision block when the dialing and grabbing mechanism vertically moves downward to the top of the sheath in the unloading position, and a laser detector for detecting whether the sheath is present is installed on the area corresponding to the unloading position below the collision block. In this structure, the first oil buffer can reduce the vibration generated when the first dialing and grabbing push-pull cylinder stops moving (downward movement); the laser detector installed below the collision block is used for detecting whether the sheath has been placed on the automobile dust cover.

[0024] Further, the assembly device is also equipped with a taking and placing mechanism for placing the taken large clasp or large spring on the umbrella cover, the taking and placing mechanism comprising a taking and placing base, a taking cylinder, a placing cylinder, a taking and placing sliding base, a swing cylinder, an extension cylinder and a parallel cylinder, the taking and placing base being fixed, the taking and placing sliding base being arranged directly below the taking and placing base, the taking cylinder being vertically installed on the taking and placing base, the cylinder rod of the taking cylinder being downward and connected with the top of the taking and placing sliding base, the placing cylinder being vertically installed on the taking and placing base, the cylinder rod of the placing cylinder being downward and connected with an upper ejector rod, the top of the taking and placing sliding base being provided with a lower ejector rod corresponding to the position of the upper ejector rod, the swing cylinder being horizontally installed on the taking and placing sliding base, the taking and placing sliding base being provided with a rotating connecting piece, the rotating connecting piece comprising a vertically arranged rotating shaft, the rotating shaft extending downward to connect the extension cylinder, the output shaft of the extension cylinder connecting the parallel cylinder through a conversion plate, the parallel cylinder comprising two horizontally arranged clamping arms, the bottom of the end of each clamping arm being provided with a plurality of vertical clamps, the plurality of vertical clamps radially supporting or releasing the large clasp or large spring, the top end of the conical head being symmetrically provided with clamp accommodating notches for accommodating the vertical clamps, the number and position of the clamp accommodating notches matching the vertical clamps.

[0025] In the structure, the large clasp or large spring is automatically fed into the umbrella cover by the taking and placing mechanism from the large clasp or large spring feeding tool, specifically: when taking, the taking cylinder drives the parallel cylinder to move vertically downward, and the parallel cylinder drives the two clamping arms to move away from each other so that the two vertical clamps support the large clasp or large spring in the radial direction to realize taking; after taking, the taking cylinder drives the parallel cylinder to move vertically upward, so that the bottom of the vertical clamp is just above the top of the umbrella cover; when placing, the swing cylinder drives the parallel cylinder to swing by a certain angle, so that the position of the vertical clamp corresponds to the multiple clamp receiving notches on the top of the umbrella cover, the telescopic cylinder drives the parallel cylinder to move forward by a certain distance, so that the vertical clamp is located directly above the clamp receiving notches and corresponds to them one by one; the placing cylinder drives the upper top rod to abut the lower top rod to push the vertical clamp to move downward by a small distance along the clamp receiving notches on the top of the umbrella cover, and the parallel cylinder drives the two clamping arms to move towards each other so that the vertical clamp is separated from the large clasp or large spring to realize placing, at this time the large clasp or large spring is sleeved on the top of the umbrella cover. The taking cylinder defines two positions, the cylinder rod of the taking cylinder is extended so that the two vertical clamps are just in the position of taking the large clasp or large spring, i.e. the taking position, and the cylinder rod of the taking cylinder is retracted so that the bottom of the two vertical clamps is just above the top of the umbrella cover, i.e. the position before placing; during the action of the taking cylinder, the placing cylinder does not act, and the cylinder rod is in the retracted state; when the position of the vertical clamp corresponds to the clamp receiving notches on the top of the umbrella cover, placing is performed, the taking cylinder does not act, the placing cylinder acts to extend the cylinder rod, and the upper top rod abuts the lower top rod to push the lower top rod to move downward with the parallel cylinder, generally so that the bottom of the vertical clamp is above the top of the umbrella cover, and the placing cylinder does not act, at this time it is in the placing position.

[0026] Furthermore, the bottom of the vertical chuck is integrally provided with a flange, and when the vertical chuck supports the large clamping ring or large clamping spring, the large clamping ring or large clamping spring is located above the flange; by arranging the flange at the bottom of the vertical chuck, the large clamping ring or large clamping spring will not easily fall off from the parallel air claw during the process of picking up and releasing the material; the pick-up and placement mechanism also includes a pick-up and placement frame, the pick-up and placement base is fixed on the upper front part of the pick-up and placement frame, and a second linear guide pair is provided between the back side of the pick-up and placement sliding seat and the front side of the pick-up and placement frame; the second linear guide pair is used to make the pick-up and placement sliding seat more stable in vertical upward or vertical downward movement relative to the pick-up and placement base, that is, to make the picking and releasing process of the large clamping ring or large clamping spring more stable and reliable; the linear guide of the second linear guide pair is vertically installed on the front side of the pick-up and placement frame, and the slider of the second linear guide pair is installed On the back of the pick-and-place sliding seat; the bottom of the pick-and-place sliding seat is connected to an auxiliary plate, and the rear end of the auxiliary plate is provided with an approach column. The upper and lower sides of the pick-and-place frame are both installed with a reflective photoelectric sensor and a second oil pressure buffer. The reflective photoelectric sensor corresponds to the position of the approach column, and the contact of the second oil pressure buffer is used to contact the surface of the auxiliary plate. The signal of the reflective photoelectric sensor can be used to control the stopping of the material picking cylinder. The upper and lower reflective photoelectric sensors limit the vertical up and down movement stroke. The lower reflective photoelectric sensor makes the vertical chuck just in the position of taking the large clamping ring or the large retaining spring, and the upper reflective photoelectric sensor makes the bottom of the vertical chuck just in the area above the top of the umbrella cover; the second oil pressure buffer can reduce the vibration generated when the material picking cylinder stops.

[0027] Compared with the prior art, the advantages of the present invention are:

[0028] The cam is then pulled back to allow the cam to move downwards and the cam, which is then brought into contact with the outer wall of the cam, is then brought into contact with the outer wall of the cam, and the cam is brought into contact with the outer wall of the cam, thereby ensuring that the cam is in a position to move freely.

[0029] 2) The coordination between the grab assembly and the umbrella cover avoids the problem of misalignment and crossing of the large retaining spring.

[0030] 3) The assembly mechanism is suitable for the size range of the large ring or large spring between 25-50mm. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 Structure diagram of the automobile dust cover;

[0032] Figure 2 Structure diagram of the application;

[0033] Figure 3 Structure diagram of the assembly equipment of the application;

[0034] Figure 4 Structure diagram of the umbrella cover holding mechanism and umbrella cover conveying mechanism installed on the assembly rack of the application;

[0035] Figure 5 Structure diagram of the umbrella cover holding mechanism and umbrella cover conveying mechanism of the application;

[0036] Figure 6 Structure diagram of the umbrella cover, poking mechanism, and poking conveying mechanism installed on the assembly rack of the application;

[0037] Figure 7 Assembly diagram of the secondary poking conveying assembly, poking mechanism, and umbrella cover of the application;

[0038] Figure 8 Sectional view of the assembly of the secondary poking conveying assembly, poking mechanism, and umbrella cover of the application;

[0039] Figure 9 Partial assembly diagram of the secondary poking conveying assembly and poking mechanism of the application;

[0040] Figure 10 Structure diagram of the poking assembly of the application;

[0041] Figure 11 Structure diagram of the umbrella cover of the application;

[0042] Figure 12 Sectional view of the umbrella cover of the application;

[0043] Figure 13 Structure diagram of the taking and placing mechanism of the application Figure 1 ;

[0044] Figure 14 Structure diagram of the taking and placing mechanism of the application Figure 2 ;

[0045] Figure 15 is Figure 14 an enlarged view of A in FIG. DETAILED DESCRIPTION

[0046] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0047] Example 1: Figures 1-12 As shown, an assembly device for a large clamping ring or a large retaining spring suitable for an automobile dust cover includes: an umbrella cover 1, which is used to receive the large clamping ring or the large retaining spring K, and is used to expand the large clamping ring or the large retaining spring K so that it is adapted to the lower annular groove 82 provided at the lower part of the automobile dust cover 8. The bottom of the umbrella cover 1 is designed to be able to just cover the reduced diameter cover 104 at the bottom of the automobile dust cover 8; an umbrella cover holding mechanism 2, which is used to vertically hold the umbrella cover 1; an umbrella cover conveying mechanism 3, which is used to drive the umbrella cover holding mechanism 2 to drive the umbrella cover 1 to be vertically conveyed to a loading position or a unloading position. When the umbrella cover 1 is vertically conveyed upward to the loading position, the umbrella cover 1 receives the large clamping ring or the large retaining spring K, and the umbrella cover 1 is vertically conveyed downward to the unloading position. When in the position, the reducing cover 104 covers the top of the automobile dust cover 8; the grabbing mechanism 4, the grabbing mechanism 4 includes a grabbing base plate 401 and multiple groups of grabbing components 402 installed at intervals around the circumference of the grabbing base plate 401, and the multiple groups of grabbing components 402 are used to continuously and evenly apply force to the large clamping ring or large retaining spring K so that the large clamping ring or large retaining spring K is always attached to the outer wall of the umbrella cover 1; the grabbing conveying mechanism 5, the grabbing conveying mechanism 5 is used to convey the grabbing mechanism 4 vertically downward to the top of the umbrella cover 1 at the unloading position, and continue to push the grabbing component 402 to move vertically downward to push the large clamping ring or large retaining spring K from the top of the umbrella cover 1 to the bottom, so that the large clamping ring or large retaining spring K slides into the lower annular groove 82 of the automobile dust cover 8.

[0048] In this specific embodiment, the umbrella cover 1 includes a conical head 101, a clamping part 102, an expansion part 103 and a reducing cover 104 arranged from top to bottom. The small head end of the conical head 101 is a free end for receiving a large clamping ring or a large retaining spring K. The large head end of the conical head 101 is connected to the top of the clamping part 102. The expansion part 103 is a frustum with a small top and a large bottom. The expansion part 103 includes a plurality of arc-shaped expansion pieces 105 evenly spaced and arranged around the bottom end of the clamping part 102. The arc-shaped expansion pieces 105 are arranged to be tilted downward from top to bottom. A reducing piece 106 is provided at the bottom end of the arc-shaped expansion piece 105. The reducing pieces 106 form a reducing cover 104. The outer wall of the reducing cover 104 is a straight cylinder. The conical head 101 is small at the top and large at the bottom to facilitate receiving a large clamping ring or a large retaining spring K; the clamping portion 102 is used to connect with the umbrella cover clamping mechanism 2, and the expansion portion 103 allows the large clamping ring or the small and large retaining springs K to gradually expand, which can effectively prevent the large clamping ring or the large retaining spring K from being misplaced and crossed during the removal process; the outer wall of the reducing cover 104 is straight cylindrical, which can enable the large clamping ring or the large retaining spring K to slide smoothly into the lower annular groove 82 of the automobile dust cover 8.

[0049] In this embodiment, the umbrella cover clamping mechanism 2 comprises a clamping jaw cylinder 201, the clamping jaw cylinder 201 comprises two clamping arms 202, the two clamping arms 202 are capable of clamping the umbrella cover 1 by rotating 90 degrees inwardly and parallelly, and are capable of releasing the umbrella cover 1 by rotating 90 degrees outwardly and parallelly, the distal ends of the two clamping arms 202 are provided with positioning clamps 203, the positioning clamp 203 comprises a vertical connecting arm 204 and a positioning clamp head 205 fixed on the distal end of the clamping arm 202 through the vertical connecting arm 204, the two positioning clamp heads 205 are oppositely arranged, two positioning grooves 107 are symmetrically arranged on the peripheral wall of the clamping part 102, the groove bottom of the positioning groove 107 is a plane, the groove wall of the positioning groove 107 gradually expands from inside to outside, the head of the positioning clamp head 205 is designed to be matched with the shape of the positioning groove 107, and the head of the positioning clamp head 205 is embedded in the corresponding positioning groove 107 when the two clamping arms 202 of the clamping jaw cylinder 201 clamps the umbrella cover 1. In this structure, the clamping force of the clamping jaw cylinder 201 is large, and the cooperation of the positioning groove 107 and the head of the positioning clamp head 205 can stably clamp the umbrella cover 1; the groove wall of the positioning groove 107 gradually expands from inside to outside, which facilitates the head of the positioning clamp head 205 to be embedded.

[0050] In this embodiment, an assembly rack 6 is further included, the umbrella cover conveying mechanism 3 comprises an umbrella cover push-pull cylinder 301 and a first guide unit, the umbrella cover push-pull cylinder 301 is installed on one side of the assembly rack 6 through a push-pull cylinder installation side plate 302, the umbrella cover push-pull cylinder 301 is vertically installed, the push-pull rod of the umbrella cover push-pull cylinder 301 is vertically downward, the clamping jaw cylinder 201 is connected with the lower end of the push-pull rod through a cylinder connecting plate 303, and the first guide unit comprises a group of first guide rods 304 vertically and symmetrically arranged on the push-pull cylinder installation side plate 302, the bottom end of the first guide rod 304 is fixedly connected with the cylinder connecting plate 303, and a first guide sleeve 305 is arranged on the first guide rod 304. The structure of the umbrella cover conveying mechanism 3 is simple and convenient to realize; the umbrella cover push-pull cylinder 301 is used for driving the clamping jaw cylinder 201 to drive the umbrella cover 1 to vertically move to the feeding position or the discharging position, the umbrella cover 1 receives the large clasp or the large clasp spring K when the umbrella cover 1 moves vertically upward to the feeding position, and the reduced diameter cover 104 is covered on the top of the automobile dust cover 8 when the umbrella cover 1 moves vertically downward to the discharging position.

[0051] In this specific embodiment, the poking and pulling assembly 402 comprises a poking and pulling 403 and a poking and pulling pressing cylinder 404, the poking and pulling 403 comprises an integral horizontal support arm 405 and a poking arm 406, the poking arm 406 is arranged downwardly inclined from top to bottom, the end face of the poking-off end of the poking arm 406 is designed as a circular arc matching the outer wall of the umbrella cover 1, the poking and pulling pressing cylinder 404 is fixed on the circumference of the poking and pulling base plate 401, the lower end of the pressing plate 413 of the poking and pulling pressing cylinder 404 is connected with one end of the horizontal support arm 405, the poking and pulling pressing cylinder 404 is used to press the horizontal support arm 405 to make the poking arm 406 continuously poke the large clamping ring or clamping spring K and stick to the outer wall of the umbrella cover 1 during the downward movement. The poking and pulling pressing cylinder 404 presses the poking and pulling 403 through the pressing plate 413, so that the poking and pulling 403 can not only be opened with the opening of the outer wall of the umbrella cover 1, but also ensure that the end face of the poking-off end of the poking arm 406 is always pressed on the outer wall of the umbrella cover 1, so as to realize the poking arm 406 poking the large clamping ring or clamping spring K; the end face of the poking-off end of the poking arm 406 is designed as a circular arc matching the outer wall of the umbrella cover 1, so as to ensure that the poking arm 406 moves smoothly and stably along the outer wall of the umbrella cover 1.

[0052] In this specific embodiment, the poking and pulling conveying mechanism 5 comprises a primary poking and pulling conveying assembly and a secondary poking and pulling conveying assembly. The primary poking and pulling conveying assembly comprises a primary poking and pulling cylinder 501, a sliding support plate 502, and a first linear guide rail pair 503. The sliding support plate 502 is vertically slidably connected to the front of the assembly rack 6 through the first linear guide rail pair 503. The primary poking and pulling cylinder 501 is vertically fixed to the top end of the assembly rack 6. The pushing and pulling end of the pushing and pulling rod of the primary poking and pulling cylinder 501 is connected to the top of the sliding support plate 502. The sliding support plate 502 is provided with a mounting bracket 504 for mounting the secondary poking and pulling conveying assembly. The secondary poking and pulling conveying assembly comprises a second guide unit and two secondary poking and pulling cylinders 505. The two secondary poking and pulling cylinders 505 are respectively vertically and symmetrically fixed to the mounting bracket 504. The pushing and pulling end of the pushing and pulling rod of the secondary poking and pulling cylinder 505 is connected to the poking base plate 401. The second guide unit comprises a set of second guide rods 506 vertically and symmetrically arranged on the mounting bracket 504. The bottom end of the second guide rod 506 is fixedly connected to the poking base plate 401. The second guide rod 506 is provided with a second guide sleeve 507. The primary poking and pulling cylinder 501 is used to push the poking mechanism 4 to the upper side of the umbrella cover 1 after the umbrella cover 1 moves vertically downward to the unloading position. The first linear guide rail pair 503 plays a guiding role, and the sliding support plate 502 is used for connection. The secondary poking and pulling cylinder 505 is used to continuously push the poking base plate 401 to drive the poking assembly 402 to move downward, so that multiple poking arms 406 continuously apply force to the large clasp or large spring K on the umbrella cover 1, and the large clasp or large spring K is poked from the upper part of the umbrella cover 1 to the bottom part, so that the large clasp or large spring K slides into the lower annular groove 82 arranged on the upper part of the automobile dust cover 8. The second guide unit vertically arranged on the mounting bracket 504 is connected to the poking base plate 401, which ensures that the poking assembly 402 moves up and down along the umbrella cover 1 more stably.

[0053] In this embodiment, the poking and grabbing mechanism 4 further comprises a sheath locking assembly for locking the conical head 101, which comprises a locking shaft 407 for locking the conical head 101 and a locking shaft rotating cylinder 408 for rotating the locking shaft 407, the locking shaft rotating cylinder 408 is fixed in the mounting frame 504, the output end of the locking shaft rotating cylinder 408 is fixedly connected with the top end of the locking shaft 407, the bottom surface of the mounting frame 504 is vertically provided with a locking shaft protection sleeve 412, the bottom end of the locking shaft protection sleeve 412 is provided with a prop open sleeve 409 for proping open the poking arm 406, the bottom end outer wall of the prop open sleeve 409 is wider than the top end outer diameter of the conical head 101, the center of the prop open sleeve 409 is provided with a through hole 410, the locking shaft 407 is inserted into and extends out of the through hole 410, the center of the conical head 101 is provided with a lock hole 108, and the end of the locking shaft 407 is provided with a lock head 411 for locking the lock hole 108. The sheath locking assembly is used for locking the conical head 101 of the umbrella sheath 1 when the poking and grabbing assembly 402 is pushed to the top of the umbrella sheath 1, so as to ensure that the umbrella sheath 1 is always stably fixed; the lock head 411 is locked with the conical head 101 by rotating the locking shaft 407 through the locking shaft rotating cylinder 408, which has the advantage of easy implementation; the prop open sleeve 409 is installed on the poking and grabbing base plate 401, and the bottom end outer wall of the prop open sleeve 409 is wider than the top end outer diameter of the conical head 101, which is beneficial to the pressing of the poking end face of the poking arm 406 on the large clamp ring or large clamp spring K when it is moved downward.

[0054] In this embodiment, the bottom of the sliding support plate 502 is provided with a first oil buffer 601, and the front surface of the assembly frame 6 is provided with a collision block 602 corresponding to the first oil buffer 601, the first oil buffer 601 is in contact with the collision block 602 when the poking and grabbing mechanism 4 moves vertically downward to the top of the umbrella sheath 1 in the unloading position, and a laser detector 603 for detecting whether there is an umbrella sheath 1 is installed on the area corresponding to the unloading position below the collision block 602. In this structure, the first oil buffer 601 can reduce the vibration generated when the first-level poking and grabbing pushing and pulling cylinder 501 stops moving (moving downward); the laser detector 603 installed below the collision block 602 is used to detect whether the umbrella sheath 1 has been placed on the automobile dust cover 8.

[0055] Embodiment two: other structures are the same as embodiment one, the difference is that Figures 13-15The assembly device is also equipped with a taking and placing mechanism 7 for taking the large clamping ring or clamping spring K and placing it on the umbrella cover 1, which includes a taking and placing base 701, a taking cylinder 702, a placing cylinder 703, a taking and placing sliding seat 704, a swing cylinder 705, an extension cylinder 706 and a parallel cylinder 707. The taking and placing base 701 is fixed, the taking and placing sliding seat 704 is arranged directly below the taking and placing base 701, the taking cylinder 702 is vertically installed on the taking and placing base 701, the cylinder rod of the taking cylinder 702 is downward and connected with the top of the taking and placing sliding seat 704, the placing cylinder 703 is vertically installed on the taking and placing base 701, the cylinder rod of the placing cylinder 703 is downward and connected with an upper jack 708, the top of the taking and placing sliding seat 704 is provided with a lower jack 709 corresponding to the position of the upper jack 708, the swing cylinder 705 is horizontally installed on the bottom of the taking and placing sliding seat 704, the taking and placing sliding seat 704 is provided with a rotating connecting piece 710, the rotating connecting piece 710 includes a vertically arranged rotating shaft (not shown in the figure), the rotating shaft (not shown in the figure) extends downward to connect the extension cylinder 706, the output shaft of the extension cylinder 706 is connected with the parallel cylinder 707 through a conversion plate 711, the parallel cylinder 707 includes two horizontally arranged clamping arms 712, the bottom of the end of each clamping arm 712 is provided with a plurality of vertical clamps 713, the plurality of vertical clamps 713 radially support or release the large clamping ring or clamping spring K, the top end of the conical head 101 is symmetrically provided with a plurality of clamp accommodating notches 109 for accommodating the vertical clamps 713, the number and position of the clamp accommodating notches 109 match the vertical clamps 713.

[0056] In the structure, the large collar or large spring K is automatically fed into the umbrella cover 1 by the taking and placing mechanism 7 from the large collar or large spring K feeding tool, specifically: when taking, the taking cylinder 702 drives the parallel cylinder 707 to move vertically downward, and the parallel cylinder 707 drives the two clamping arms 712 to move away from each other on the large collar or large spring K feeding tool, so that the two vertical clamps 713 support the large collar or large spring K in the radial direction to realize taking; after taking, the taking cylinder 702 drives the parallel cylinder 707 to move vertically upward, so that the bottom of the vertical clamp 713 is just above the top of the umbrella cover 1; when placing, the swing cylinder 705 drives the parallel cylinder 707 to swing at a certain angle, so that the position of the vertical clamp 713 corresponds to the plurality of clamp accommodating notches 109 on the top of the umbrella cover 1, the telescopic cylinder 706 drives the parallel cylinder 707 to move forward by a certain distance, so that the vertical clamp 713 is located above the clamp accommodating notches 109 and corresponds to them one by one; the placing cylinder 703 drives the upper top rod 708 to abut against the lower top rod 709 to push the vertical clamp 713 to move downward by a small distance along the clamp accommodating notches 109 on the top of the umbrella cover 1, and the parallel cylinder 707 drives the two clamping arms 712 to move towards each other, so that the vertical clamp 713 is separated from the large collar or large spring K to realize placing, at this time, the large collar or large spring K is sleeved on the top of the umbrella cover 1. The taking cylinder 702 defines two positions, the cylinder rod of the taking cylinder 702 is extended so that the two vertical clamps 713 are just in the position of taking the large collar or large spring K, i.e. the taking position, and the cylinder rod of the taking cylinder 702 is retracted so that the bottom of the two vertical clamps 713 is just above the top of the umbrella cover 1, i.e. the position before placing; during the action of the taking cylinder 702, the placing cylinder 703 does not act, and the cylinder rod thereof is in the retracted state; when the position of the vertical clamp 713 corresponds to the clamp accommodating notches 109 on the top of the umbrella cover 1, placing is performed, the taking cylinder 702 does not act, the placing cylinder 703 acts to extend the cylinder rod, and after the upper top rod 708 abuts against the lower top rod 709, the lower top rod 709 drives the parallel cylinder 707 to move downward, generally so that the bottom of the vertical clamp 713 passes over the top of the umbrella cover 1, and the placing cylinder 703 does not act at this time, i.e. in the placing position.

[0057] In this specific embodiment, the bottom of the vertical clamp 713 is integrally provided with a flange 714, and the large collar or large spring K is located above the flange 714 when the vertical clamp 713 supports the large collar or large spring K; by providing the flange 714 at the bottom of the vertical clamp 713, the large collar or large spring K cannot easily fall off the parallel cylinder 707 during the process from taking out to placing; the taking and placing mechanism 7 further includes a taking and placing rack 715, the taking and placing base 701 is fixed to the front upper part of the taking and placing rack 715, and a second linear guide rail pair 716 is arranged between the back of the taking and placing sliding seat 704 and the front of the taking and placing rack 715; the second linear guide rail pair 716 makes the taking and placing sliding seat 704 move vertically upward or vertically downward relative to the taking and placing base 701 more stably, that is, makes the taking and placing process of the large collar or large spring more stable and reliable; the linear guide rail of the second linear guide rail pair 716 is installed vertically on the front of the taking and placing rack 715, and the sliding block of the second linear guide rail pair 716 is installed on the back of the taking and placing sliding seat 704; the bottom of the taking and placing sliding seat 704 is connected with an auxiliary plate 717, the rear end of the auxiliary plate 717 is provided with a proximity column 718, the side upper part and the side lower part of the taking and placing rack 715 are both installed with a reflective photoelectric sensor 719 and a second oil buffer 720, the reflective photoelectric sensor 719 corresponds to the position of the proximity column 718, the contact of the second oil buffer 720 is used to contact the surface of the auxiliary plate 717, the signal of the reflective photoelectric sensor 719 can be used to control the taking cylinder 702 to stop, the two reflective photoelectric sensors 719 limit the movement stroke of the vertical up and down movement, the lower reflective photoelectric sensor 719 makes the two vertical clamps 713 just at the position of taking the large collar or large spring K, and the upper reflective photoelectric sensor 719 makes the bottom of the vertical clamp 713 just located above the top area of the umbrella sleeve 1; the second oil buffer 720 can reduce the vibration when the taking cylinder 702 stops.

[0058] The working process of the assembly mechanism is as follows: the taking and placing mechanism 7 takes the large clamping ring or clamping spring K from the feeding tool of the large clamping ring or clamping spring K and moves to the feeding position; at the feeding position, the taking and placing mechanism 7 feeds the large clamping ring or clamping spring K to the umbrella cover 1 gripped by the umbrella cover gripping mechanism 2; the umbrella cover conveying mechanism 3 drives the umbrella cover 1 to move vertically downward to the feeding position so that the reduced cover 104 of the umbrella cover 1 covers the top of the automobile dust cover 8; the first level of the pushing and grabbing conveying assembly drives the pushing and grabbing mechanism 4 to move to the top of the umbrella cover 1, the locking shaft 407 of the locking assembly is inserted into the locking hole 108 at the top of the umbrella cover 1 and locked by the locking head 411; the second level of the pushing and grabbing conveying assembly drives the pushing and grabbing assembly 402 to simultaneously apply force to the large clamping ring or clamping spring K on the umbrella cover 1, so that the large clamping ring or clamping spring K is pushed from the top of the umbrella cover 1 to the bottom to slide into the lower annular groove 82 arranged at the lower part of the automobile dust cover 8. At this point, the assembly of the large clamping ring or clamping spring K on the dust cover 8 is completed. After the pushing and grabbing mechanism 4 returns to the original position, the umbrella cover gripping mechanism 2 grips the umbrella cover 1 again, and under the action of the umbrella cover conveying mechanism 3, the umbrella cover 1 returns from the feeding position to the feeding position.

[0059] The above-mentioned clamping jaw cylinder 201 uses existing technology; the umbrella cover push-pull cylinder 301, the first level of the pushing and grabbing push-pull cylinder 501, and the second level of the pushing and grabbing push-pull cylinder 505 all use general-purpose cylinders; the taking cylinder 702 and the placing cylinder 703 both use general-purpose cylinders, the stroke of the taking cylinder 702 is long, and the stroke of the placing cylinder 703 is short, which is 5mm; the swing cylinder 705, the telescopic cylinder 706, and the parallel cylinder 707 all use existing technology; the reflective photoelectric sensor 719 and the laser detector 603 both use existing technology.

[0060] Figure 2 Figure 3 Figure 6 In the above-mentioned figure, the umbrella cover 1 located at the bottom is a simulation position, and the straight line passing through the umbrella cover 1 represents the light beam emitted by the laser detector 603; Figure 2 Figure 13 and Figure 14 In the above-mentioned figure, the telescopic cylinder 706 and the parallel cylinder 707 located at the bottom are simulation positions.​​​

Claims

1. An assembly device for large retaining rings or large retaining springs suitable for automobile dust covers, characterized in that include: An umbrella cover is used to receive a large collar or a large retaining spring and to expand the large collar or the large retaining spring so that the collar or the large retaining spring fits into a lower annular groove provided at the bottom of the automobile dust cover. The bottom of the umbrella cover is designed to be a reduced diameter cover that can just cover the bottom of the automobile dust cover. A canopy clamping mechanism, the canopy clamping mechanism being used to vertically clamp the canopy; An umbrella cover conveying mechanism is used to drive the umbrella cover holding mechanism to drive the umbrella cover to be vertically conveyed to a loading position or a unloading position. When the umbrella cover is vertically conveyed upward to the loading position, the umbrella cover receives a large clamping ring or a large retaining spring. When the umbrella cover is vertically conveyed downward to the unloading position, the reduced diameter cover is covered on the top of the automobile dust cover. A prying mechanism, comprising a prying base plate and a plurality of prying assemblies spaced apart and arranged around the circumference of the prying base plate, wherein the plurality of prying assemblies are used to continuously and evenly apply force to the large clamping ring or large retaining spring so that the large clamping ring or large retaining spring is always attached to the outer wall of the umbrella cover; The grabbing and conveying mechanism is used to convey the grabbing and conveying mechanism vertically downward to the top of the umbrella cover at the unloading position, and continue to push the grabbing assembly to move vertically downward to push the large clamping ring or large retaining spring from the top of the umbrella cover to the bottom, so that the large clamping ring or large retaining spring slides into the lower annular groove of the automobile dust cover; The umbrella cover comprises a conical head, a holding part, an opening part and a diameter-reducing cover arranged from top to bottom; The assembly equipment is also equipped with a pick-up and placement mechanism for placing the taken large clamping ring or large retaining spring on the umbrella cover. The pick-up and placement mechanism includes a pick-up and placement base, a material picking cylinder, a material discharging cylinder, a pick-up and placement sliding seat, a swing cylinder, a telescopic cylinder and a parallel cylinder. The pick-up and placement base is fixed, and the pick-up and placement sliding seat is arranged directly below the pick-up and placement base. The material picking cylinder is vertically installed on the pick-up and placement base, and the cylinder rod of the material picking cylinder is downward and connected to the top of the pick-up and placement sliding seat. The discharging cylinder is vertically installed on the pick-up and placement base, and the cylinder rod of the discharging cylinder is downward and connected to an upper push rod. The top of the pick-up and placement sliding seat is provided with a lower push rod corresponding to the position of the upper push rod. The cam is secured to the upper edge of the support frame, and the cam is secured to the lower edge of the support frame by a spring, which is adapted to move the cam forwardly and downwardly relative to the support frame.

2. The assembly equipment for large retaining rings or large retaining springs suitable for automobile dust covers according to claim 1, characterized in that The small end of the conical head is a free end for receiving a large clamping ring or a large retaining spring. The large end of the conical head is connected to the top of the clamping part. The expansion part is in the shape of a cone with a small top and a large bottom. The expansion part includes a plurality of arc-shaped expansion pieces evenly spaced and arranged around the bottom end of the clamping part. The arc-shaped expansion pieces are arranged to be inclined downward from top to bottom. A reducing piece is provided at the bottom end of the arc-shaped expansion piece, and the reducing piece forms the reducing cover.

3. The assembly equipment for large retaining rings or large retaining springs suitable for automobile dust covers according to claim 2, characterized in that The umbrella cover holding mechanism, the umbrella cover holding mechanism includes a clamping cylinder, the clamping cylinder includes two clamping arms, the two clamping arms can hold the umbrella cover by rotating 90 degrees in parallel with each other inward, and release the umbrella cover by rotating 90 degrees in parallel with each other. The ends of the two clamping arms are provided with positioning clamps, and the positioning clamps include a vertical connecting arm and a positioning clamp fixed to the end of the clamping arm through the vertical connecting arm. The two positioning clamps are arranged opposite to each other, and two positioning grooves are symmetrically provided on the peripheral wall of the holding part. The bottom of the positioning groove is flat, and the groove wall of the positioning groove gradually expands from the inside to the outside. The head of the positioning clamp is designed to be compatible with the positioning groove. When the two clamping arms of the clamping cylinder hold the umbrella cover, the head of the positioning clamp is embedded in the corresponding positioning groove.

4. The assembly equipment for large retaining rings or large retaining springs suitable for automobile dust covers according to claim 3, characterized in that It also includes an assembly frame, the umbrella cover conveying mechanism includes an umbrella cover push-pull cylinder and a first guide unit, the umbrella cover push-pull cylinder is installed on one side of the assembly frame through a push-pull cylinder mounting side plate, the umbrella cover push-pull cylinder is installed vertically, the push-pull rod of the umbrella cover push-pull cylinder is vertically downward, the clamping cylinder is connected to the lower end of the push-pull rod through the cylinder connecting plate, the first guide unit includes a group of first guide rods vertically symmetrically arranged on the push-pull cylinder mounting side plate, the bottom end of the first guide rod is fixedly connected to the cylinder connecting plate, and the first guide rod is provided with a first guide sleeve.

5. The assembly equipment for large retaining rings or large retaining springs suitable for automobile dust covers according to claim 4, characterized in that The prying and grabbing assembly includes a prying and a prying and clamping cylinder. The prying includes a horizontal support arm and a prying arm that are integrally connected. The prying arm is arranged to be tilted downward from top to bottom. The end face of the prying end of the prying arm is designed to be an arc shape that matches the outer wall of the umbrella cover. The prying and clamping cylinder is fixed on the circumference of the prying and grabbing base plate. The lower end of the pressure plate of the prying and clamping cylinder is connected to one end of the horizontal support arm. The prying and clamping cylinder is used to clamp the horizontal support arm so that the prying arm continues to pry the large retaining ring or large retaining spring and sticks to the outer wall of the umbrella cover during the downward movement.

6. The assembly equipment for large retaining rings or large retaining springs suitable for automobile dust covers according to claim 5, characterized in that The described digging and grabbing conveying mechanism includes a first-level digging and grabbing conveying assembly and a second-level digging and grabbing conveying assembly. The first-level digging and grabbing conveying assembly includes a first-level digging and grabbing push-pull cylinder, a sliding support plate and a first linear guide pair. The sliding support plate is vertically slidably connected to the front of the assembly frame through the first linear guide pair. The first-level digging and grabbing push-pull cylinder is vertically fixed to the top of the assembly frame. The push-pull end of the push-pull rod of the first-level digging and grabbing push-pull cylinder is connected to the top of the sliding support plate. The sliding support plate is provided with a mounting bracket for mounting the second-level digging and grabbing conveying assembly. The secondary prying and grabbing conveying assembly includes a second guide unit and two secondary prying and grabbing push-pull cylinders. The two secondary prying and grabbing push-pull cylinders are respectively fixed vertically and symmetrically on the mounting frame. The push-pull ends of the push-pull rods of the secondary prying and grabbing push-pull cylinders are connected to the prying and grabbing base plate. The second guide unit includes a group of second guide rods vertically and symmetrically arranged on the mounting frame. The bottom ends of the second guide rods are fixedly connected to the prying and grabbing base plate. The second guide rods are provided with second guide sleeves.

7. The assembly equipment for large retaining rings or large retaining springs suitable for automobile dust covers according to claim 6, characterized in that The described driving and grabbing mechanism also includes an umbrella cover locking assembly for locking the conical head, and the umbrella cover locking assembly includes a locking shaft for locking the conical head and a locking shaft rotating cylinder for rotating the locking shaft, the locking shaft rotating cylinder is fixed in the described mounting bracket, and the output end of the locking shaft rotating cylinder is fixedly connected to the top end of the described locking shaft, and a locking shaft protection sleeve is vertically provided on the bottom surface of the described mounting bracket, and the bottom surface of the described locking shaft protection sleeve is provided with an expansion sleeve for expanding the described driving arm, the outer wall width of the bottom end of the expansion sleeve is wider than the outer diameter of the top end of the conical head, and a through hole is provided in the center of the expansion sleeve, and the locking shaft is inserted into and extends out of the through hole, and a locking hole is provided in the center of the described conical head, and a locking head for locking the locking hole is provided at the end of the locking shaft.

8. The assembly equipment for large retaining rings or large retaining springs suitable for automobile dust covers according to claim 7, characterized in that A first oil pressure buffer is provided at the bottom of the sliding support plate, and a collision block corresponding to the first oil pressure buffer is provided on the front of the assembly frame. When the grabbing mechanism moves vertically downward to the top of the umbrella cover at the unloading position, the first oil pressure buffer contacts the collision block, and a laser detector for detecting whether there is the umbrella cover is installed in the area below the collision block corresponding to the unloading position.

9. The assembly equipment for large retaining rings or large retaining springs for automobile dust covers according to claim 1, characterized in that The bottom of the vertical chuck is integrally provided with a flange, and when the vertical chuck supports the large clamping ring or large retaining spring, the large clamping ring or large retaining spring is located above the flange; the pick-and-place mechanism also includes a pick-and-place frame, the pick-and-place base is fixed on the upper front part of the pick-and-place frame, and a second linear guide pair is provided between the back side of the pick-and-place sliding seat and the front side of the pick-and-place frame; the bottom of the pick-and-place sliding seat is connected to an auxiliary plate, and the rear end of the auxiliary plate is provided with an approach column, and the upper and lower sides of the side of the pick-and-place frame are both installed with a reflective photoelectric sensor and a second oil pressure buffer, the reflective photoelectric sensor corresponds to the position of the approach column, and the contact of the second oil pressure buffer is used to contact the surface of the auxiliary plate.

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