CN114833547B - Automatic press fitting tool for rear caliper piston dust cover - Google Patents
Automatic press fitting tool for rear caliper piston dust cover Download PDFInfo
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- CN114833547B CN114833547B CN202210518133.2A CN202210518133A CN114833547B CN 114833547 B CN114833547 B CN 114833547B CN 202210518133 A CN202210518133 A CN 202210518133A CN 114833547 B CN114833547 B CN 114833547B
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- dust cover
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- pressure head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses an automatic press-fitting tool for a rear caliper piston dust cover, which comprises a bottom plate, a vertical supporting plate, a vertical moving mechanism and a tool placing plate, wherein a floating pressure head is arranged on the tool placing plate; the floating press-mounting device comprises an umbrella-shaped shaft, a support table of the umbrella-shaped shaft is provided with a dust cover pressure head through a first sliding assembly, a connecting ring is arranged in an inner cavity of the dust cover pressure head, and the lower part of the connecting ring is fixedly connected with the bottom of the dust cover pressure head; an end cover is arranged in the inner cavity of the connecting ring through a second sliding assembly, and the end cover is fixed with the umbrella-shaped shaft; a piston profiling guide cup is mounted on the outer side of the connecting ring, a first gap is formed between the piston profiling guide cup and the dust cover pressure head, and the dust cover pressure head is connected with the piston profiling guide cup through a vertical connecting piece; the dust cover pressure head and the connecting ring are sleeved on the upper portion of the umbrella-shaped shaft through the middle shaft hole, and a second gap is formed between the umbrella-shaped shaft and the middle shaft hole. The invention can automatically align the position of the piston dust cover, and improves the press mounting quality and the working efficiency.
Description
Technical Field
The invention belongs to the technical field of brake caliper assembly, relates to structure and performance improvement of a piston dust cover press-fitting component, and particularly relates to an automatic press-fitting tool for a rear caliper piston dust cover.
Background
Brake calipers, also referred to simply as calipers, belong to a caliper device, which is an important component of an automobile brake system and has functions of decelerating, stopping or maintaining a stopped state of a moving wheel. With different classifications of brake structures, brake calipers can be classified into two broad categories, disc and drum. The disc brake caliper is fast in heat dissipation, light in weight, good in high-temperature resistance during high load and stable in braking effect, and compared with the drum brake caliper, the disc brake caliper is controlled hydraulically, and the provided braking force is large and stable.
When the disc brake caliper works, the brake master pump presses brake oil into the caliper through the oil pipe, and the piston in the caliper is acted by hydraulic pressure to push the friction plate to press the brake disc for braking. Because a clearance for relative movement exists between the piston and the caliper body, in order to prevent accumulated water or dust from entering and bring potential safety hazard to braking, a piston dust cover is arranged between the piston and the caliper body. Referring to the attached drawings 1 and 2, an inner ring of the piston dust cover is clamped in a groove of the piston, and an outer ring of the piston dust cover is internally provided with a steel ring and is pressed into a caliper body of the caliper by a press-fitting device. During press fitting, the lug holes on the two sides are used for positioning and press fitting, when the automatic assembly line carries out automatic press fitting, the clamp body is placed on the tray, the tray is positioned by the workstation firstly, and then the support tool on the tray positions the lug holes on the two sides of the clamp body for press fitting.
The existing equipment for press mounting the piston dust cover is a circular fixing tool which is fixed on a press mounting mechanism. Due to tolerance accumulation of the tray, the tool and the clamp body, the position of the piston dust cover of the individual clamp can deviate, the deviation amount is larger than the compatible size range of the fixed tool, the press mounting is unqualified, and the press mounting success rate and efficiency of the piston dust cover are affected.
Disclosure of Invention
The invention aims to provide an automatic press fitting tool for a rear caliper piston dust cover, which is used for solving the problems that the existing press fitting tool cannot adjust the position along with the deviation of the piston dust cover, and is easy to generate unqualified press fitting, and the press fitting success rate and efficiency are influenced.
In order to realize the purpose of the invention, the following technical scheme is adopted:
the automatic press-fitting tool for the rear caliper piston dust cover comprises a bottom plate, wherein a vertical supporting plate is arranged on the bottom plate, a vertical moving mechanism is arranged on the side surface of the vertical supporting plate, a tool placing plate is arranged on the vertical moving mechanism, a mounting groove is formed in the tool placing plate, and a floating pressure head is arranged in the mounting groove; the floating press-mounting device comprises an umbrella-shaped shaft, a support table on the upper portion of the umbrella-shaped shaft is provided with a dust cover pressure head through a first sliding assembly, an inner cavity of the dust cover pressure head is provided with a connecting ring, and the lower portion of the connecting ring is fixedly connected with the bottom of the dust cover pressure head; an end cover is arranged in the inner cavity of the connecting ring through a second sliding assembly, the end cover is fixed with the umbrella-shaped shaft, and the connecting ring and the dust cover pressure head are limited in the vertical direction of the umbrella-shaped shaft through the end cover; a piston profiling guide cup is mounted on the outer side of the connecting ring, a first gap is formed between the piston profiling guide cup and the dust cover pressure head, and the dust cover pressure head is connected with the piston profiling guide cup through a vertical connecting piece; the dust cover pressure head and the connecting ring are sleeved on the upper portion of the umbrella-shaped shaft through the middle shaft hole, and a second gap is formed between the umbrella-shaped shaft and the middle shaft hole.
In order to further realize the purpose of the invention, the following technical scheme can be adopted:
according to the automatic press fitting tool for the rear caliper piston dust cover, the first sliding assembly and the second sliding assembly are both formed by steel ball holding float and steel balls; the end cover is arranged at the upper end of the umbrella-shaped shaft through a countersunk head screw.
According to the automatic press-fitting tool for the rear caliper piston dust cover, the vertical connecting piece comprises the hinge pin with the upper part provided with the external thread, the bottom of the piston profiling guide cup is provided with the threaded hole, the bottom of the dust cover pressure head is provided with the through hole corresponding to the threaded hole, the hinge pin penetrates through the upper part of the external thread of the through hole and is connected with the threaded hole, and the periphery of the hinge pin between the dust cover pressure head and the piston profiling guide cup is sleeved with the spring.
According to the automatic press-fitting tool for the rear caliper piston dust cover, 3-6 sleeves are arranged on the vertical connecting piece.
According to the automatic press fitting tool for the rear caliper piston dust cover, the distance range between the first gap and the second gap is 1-5 mm.
According to the automatic press fitting tool for the rear caliper piston dust cover, the tool placing plate is provided with the locking assembly with the locking knob, and the umbrella-shaped shaft can be fixed on the mounting groove through the locking assembly.
According to the automatic press-fitting tool for the piston dust cover of the rear caliper, the bottom plate is provided with the transverse moving mechanism, the transverse moving mechanism comprises the transverse guide rail, the transverse moving plate, the transverse moving fixing plate and the transverse moving cylinder, the transverse guide rail is installed on the bottom plate, the bottom surface of the transverse moving plate is provided with the sliding block matched with the transverse guide rail, the transverse moving cylinder is installed on the transverse moving fixing plate, the transverse moving fixing plate is installed on the bottom plate, the transverse moving cylinder drives the transverse moving plate to move through the guide shaft, and the transverse moving plate is provided with the vertical supporting plate.
According to the automatic press-fitting tool for the rear caliper piston dust cover, the outer side of the transverse guide rail is provided with the guide rail extrusion block fixed with the bottom plate, and the guide rail extrusion block is in contact connection with the transverse guide rail; the guide shaft of the transverse moving cylinder is connected with the transverse moving plate through a first floating joint; the bottom plate is arranged on the lower portion of the vertical supporting plate and provided with a transverse moving stopping plate, and a first buffer is arranged on the transverse moving stopping plate.
The automatic press fitting tool for the piston dust cover of the rear caliper comprises a vertical guide rail, a vertical moving fixed plate and a vertical moving cylinder, wherein the vertical guide rail is fixed on a vertical supporting plate, the tool placing plate is matched with the vertical guide rail through a slider, the vertical moving cylinder is installed on one side of the vertical supporting plate through the vertical moving fixed plate, the tool placing plate is arranged below the vertical moving fixed plate, and the vertical moving cylinder drives the tool placing plate to move through a guide shaft.
According to the automatic press-fitting tool for the rear caliper piston dust cover, the guide shaft of the vertical moving cylinder is connected with the tool placing plate through the second floating joint; the lower part of the vertical supporting plate is provided with a vertical moving stop plate, a stop post and a second buffer are arranged on the vertical moving stop plate, and the vertical moving stop plate is positioned below the tool placing plate.
The invention has the advantages that:
1. the automatic press-fitting tool for the rear caliper piston dust cover is reasonable in structural design, high in automation degree and accurate in positioning; the floating pressure head of configuration can carry out automatic alignment to the piston dust cover position, and production efficiency is high, with low costs, has reduced the production of unqualified piece, has improved pressure equipment quality and work efficiency.
2. In the technical concept, the connecting ring and the dust cover pressure head are limited in the vertical direction of the umbrella-shaped shaft by matching the supporting platform of the umbrella-shaped shaft with the end cover, so that the dust cover pressure head can only move in an XY plane, and the dust cover pressure head can be automatically aligned along with the position of the piston dust cover. The bottom surface of the dust cover pressure head is provided with a first sliding assembly, the inner cavity of the connecting ring is provided with a second sliding assembly, and the sliding assemblies are formed by steel balls and steel ball retainers, so that the dust cover pressure head has smaller moving resistance in an XY plane and is smoother. The outer side of the connecting ring is in clearance fit with the inner side of the piston profiling guide cup, the piston profiling guide cup and the connecting ring can slide relatively, the lower portion of the connecting ring is fixedly connected with the inner side of the dust cover pressure head, the piston profiling guide cup and the dust cover pressure head are coaxial constantly, and therefore the positioning of the piston profiling guide cup is the positioning of the dust cover pressure head.
3. The dustproof cover pressure head is sleeved on the upper part of the umbrella-shaped shaft, a matched gap is arranged between the dustproof cover pressure head and the umbrella-shaped shaft, the gap distance is the activity of the dustproof cover pressure head, the range of the gap is set to be 1-5mm, and the difference of 2mm is preferred; the piston profiling guide cup can move up and down along the connecting ring, and the bottom of the piston profiling guide cup is connected and supported with the dust cover pressure head by a spring and a hinge pin with external threads, so that the press mounting of the piston dust cover is not influenced in the positioning process.
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.
FIG. 1 is a perspective view of the piston dust cap of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a perspective view of the floating ram of the present invention in use;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a perspective view of the floating ram of the present invention;
FIG. 6 is a cross-sectional view of FIG. 5;
fig. 7 is a perspective view of the present invention.
Reference numerals: 1-a bottom plate; 2-transverse guide rails; 3-guide rail extrusion block; 4-transversely moving the plate; 5-transversely moving the fixed plate; 6-a transverse moving cylinder; 7-a first floating joint; 8-transversely moving the stop plate; 9-a first buffer; 10-vertical support plates; 11-a vertical guide rail; 12-a tool placing plate; 13-vertically moving the fixed plate; 14-vertically moving the cylinder; 15-a second floating joint; 16-vertically moving the blocking plate; 17-a shift post; 18-a second buffer; 19-locking knob; 20-floating pressure head; 21-a clamp body; 22-umbrella shaft; 23-a dust cap indenter; 24-a connecting ring; 25-piston profile modeling guide cup; 26-end cap; 27-a second ball retainer; 28-a first ball retainer; 29-a hinge pin; 30-a spring; 31-steel balls; 32-top thread; 33-countersunk head screw.
Description of the preferred embodiment
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
In the description of the embodiments of the present invention, unless otherwise explicitly limited, terms such as setup, installation, connection, etc. should be understood broadly, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
As shown in fig. 7, the automatic press fitting tool for the rear caliper piston dust cover disclosed in this embodiment structurally comprises a bottom plate 1, and a transverse moving mechanism, a vertical moving mechanism and a floating pressure head 20 which are arranged on the bottom plate 1. The transverse moving mechanism is used for driving the vertical supporting plate 10 and the floating pressure head 20 to move in the transverse direction, and the vertical moving mechanism is used for driving the floating pressure head 20 to move in the vertical direction.
The floating ram 20 is mounted on the tooling placement plate 12. Therefore, the position of the tool placing plate 12 can be adjusted by the driving of the transverse moving mechanism and the vertical moving mechanism. The tool placing plate 12 is provided with a locking assembly with a locking knob 19, and the umbrella-shaped shaft 22 can be fixed on the mounting groove through the locking knob 19.
As shown in fig. 3 to 6, the umbrella shaft 22 of the present embodiment includes a shaft body and a support platform provided on an upper portion of the shaft body, the support platform serves as a support and positioning surface for the components such as the dust cap ram 23, and the support platform cooperates with the end cap 26 to vertically position the dust cap ram 23 in a limited manner so that the dust cap ram 23 cannot move vertically.
Continuing to refer to fig. 6, the supporting platform at the upper part of the umbrella-shaped shaft 22 is provided with a dust cover pressure head 23 through a first sliding assembly, the inner cavity of the dust cover pressure head 23 is provided with a connecting ring 24, and the lower part of the connecting ring 24 is fixedly connected with the bottom of the dust cover pressure head 23; an end cover 26 is installed in the inner cavity of the connecting ring 24 through a second sliding assembly, the end cover 26 is fixed with the umbrella-shaped shaft 22, and the connecting ring 24 and the dust cover pressure head 23 are limited in the vertical direction of the umbrella-shaped shaft 22 through the end cover 26; a piston profiling guide cup 25 is mounted on the outer side of the connecting ring 24, a first gap is formed between the piston profiling guide cup 25 and the dust cover pressure head 23, and the dust cover pressure head 23 is connected with the piston profiling guide cup 25 through a vertical connecting piece; the dust cover pressure head 23 and the connecting ring 24 are sleeved on the upper part of the umbrella-shaped shaft 22 through the middle shaft hole, and a second gap is formed between the umbrella-shaped shaft 22 and the middle shaft hole.
The first sliding assembly and the second sliding assembly of the present embodiment are both made up of steel balls 31 and the steel balls 31. According to different arranged positions, the steel balls 31 are respectively held as a first steel ball retainer 28 and a second steel ball retainer 27. The end cap 26 is mounted on the upper end of the umbrella shaft 22 by means of a countersunk screw 33.
In addition, the vertical connecting piece comprises a hinge pin 29 with an external thread at the upper part, a threaded hole is formed at the bottom of the piston copying guide cup 25, a through hole corresponding to the threaded hole is formed at the bottom of the dust cover pressure head 23, the hinge pin 29 penetrates through the upper part of the external thread after the through hole and is connected with the threaded hole, and a spring 30 is sleeved on the periphery of the hinge pin 29 between the dust cover pressure head 23 and the piston copying guide cup 25. In order to connect the upper portion of the hinge pin 29 to the piston copying guide cup 25, the positioning and fixing may be performed by using the jack screw 32, that is, a female screw hole communicating with the side surface of the piston copying guide cup 25 at the hinge pin 29 is opened, and then the jack screw 32 is fitted into the female screw hole. Since the piston profile guide cup 25 is located inside the dust guard indenter 23, a through hole can be similarly formed in the side surface of the dust guard indenter 23 for facilitating the installation of the jack screw 32.
The dust cap pressing head 23 of the embodiment is a cylinder, the upper end of the cylinder is open and serves as an inner cavity for installing the connecting ring 24 and the piston profiling guide cup 25, the middle of the bottom of the cylinder is provided with a shaft hole matched with the upper part of the umbrella-shaped shaft 22, a gap is formed between the shaft hole and the umbrella-shaped shaft 22, and the diameter of the shaft hole is larger than the outer diameter of the upper part of the umbrella-shaped shaft 22.
The attachment ring 24 is similar in construction to the dust cap head 23, with the attachment ring 24 being mounted in the interior cavity of the dust cap head 23 and with an annular cavity being provided between the side wall of the attachment ring 24 and the side wall of the dust cap head 23 to provide space for the mounting of the piston profile guide cup 25. The bottom of the connecting ring 24 and the bottom of the dust cover pressure head 23 are fixedly arranged through a step structure, and the bottom of the connecting ring 24 is also provided with a shaft hole matched with the upper part of the umbrella-shaped shaft 22.
The piston profiling guide cup 25 is in a special-shaped annular body, the inner wall of the special-shaped annular body is attached to the periphery of the side wall of the connecting ring 24, and the inner side of the upper end of the special-shaped annular body is a conical surface and is used for being matched with the lower surface of a rear caliper piston dust cover. The outer wall of the special-shaped annular body and the side wall of the dust cover pressure head 23 are installed in a clearance mode, the bottom of the special-shaped annular body and the bottom of the dust cover pressure head 23 are installed at intervals, and the special-shaped annular body and the bottom of the dust cover pressure head 23 penetrate through the bottom of the dust cover pressure head 23 from the lower side through a vertical hinge pin 29 to be connected.
Based on the arrangement of the structure, the umbrella-shaped shaft 22 and the end cover 26 are matched, so that the steel ball 31 retainer, the connecting ring 24 and the dust cover pressure head 23 can be fixed in the vertical direction, and the dust cover pressure head 23 can only move in an XY plane; the steel balls 31, the first steel ball retainer 28 and the second steel ball retainer 27 are applied, so that the dust cover pressing head 23 can be adjusted in a sliding mode on the XY plane, the moving resistance is smaller, and the dust cover pressing head is smoother. The inner side of the upper end of the piston profiling guide cup 25 is a conical surface and is in contact with and matched with the lower surface of the piston dust cover to position the piston dust cover.
The outer side of the connecting ring 24 is in small clearance fit with the inner side of the piston profiling guide cup 25, the piston profiling guide cup 25 can slide relative to the connecting ring 24, the outer side of the connecting ring 24 is in transition fit with the inner side of the dust cover pressure head 23 and is in small clearance fit with the inner side of the piston profiling guide cup 25, so that the piston profiling guide cup 25 and the dust cover pressure head 23 are coaxial, and the positioning of the piston profiling guide cup 25 is the positioning of the piston pressure head; the difference value of the diameter of the outer side of the upper part of the umbrella-shaped shaft 22 and the diameter of the inner side of the dust cover pressure head 23 is 2mm, namely the movement of the dust cover pressure head 23; the piston cam guide cup 25 is movable up and down and has a spring 30 and hinge pin 29 at its bottom so that the press fit is not affected during positioning.
The following describes the traverse mechanism, the vertical movement mechanism, and the floating ram 20 of the present embodiment in detail with reference to fig. 6 and 7 as follows:
1. the traverse mechanism includes:
as shown in fig. 7, the base plate 1 of the present embodiment is mounted on a deck plate;
2 transverse guide rails 2 are arranged on the bottom plate 1 at intervals, and guide rail grooves are machined in the bottom plate 1;
the guide rail extrusion block 3 is arranged on the bottom plate 1, is in contact with the transverse guide rail 2 and is used for extruding and positioning the transverse guide rail 2;
the transverse moving plate 4 is arranged on the transverse guide rail 2 through a sliding block;
a transverse moving fixing plate 5 arranged on the bottom plate 1;
the transverse moving cylinder 6 is arranged on the transverse moving fixing plate 5;
the first floating joint 7 is arranged on the transverse moving cylinder 6, the other side of the first floating joint is connected with the transverse moving plate 4, and the first floating joint is used for adjusting the problem that a guide shaft of the transverse moving cylinder 6 is not coaxial with a processing hole of the transverse moving plate 4;
a traverse stop plate 8 mounted on the base plate 1 for determining a distance in the traverse direction;
a first buffer 9 installed on the traverse stop plate 8 for buffering the traverse movement;
2. the vertical movement mechanism is provided with:
as shown in fig. 7, the vertical support plate 10 of the present embodiment is mounted on the base plate 1;
2 vertical guide rails 11 are arranged on the side surface of the vertical support plate 10 at intervals, and guide rail grooves are processed on the vertical support plate 10;
the tool placing plate 12 is installed on the vertical guide rail 11 through a sliding block;
the vertical moving fixing plate 13 is arranged on the upper part of the vertical supporting plate 10 and is positioned on the same side of the vertical supporting plate 10 with the tool placing plate 12 and the vertical guide rail 11;
a vertical movement cylinder 14 installed on the vertical movement fixing plate 13;
the second floating joint 15 is installed on the vertical moving cylinder 14, and the other side of the second floating joint is connected with the tool placing plate 12;
a vertical movement stopping plate 16 which is arranged at the lower part of the vertical supporting plate 10;
a stop column 17 fixed on the vertical moving stop plate 16;
a second buffer 18 fixed on the vertical movement stop plate 16 and positioned on the side surface of the stop post;
the locking knob 19 is arranged on the tool placing plate 12 and can fix the floating pressure head 20;
and the floating pressure head 20 is arranged on the tool placing plate 12 and is locked through the locking knob 19.
3. The floating ram 20 has:
as shown in fig. 6, the umbrella shaft 22 of the present embodiment supports the dust cap pressure head 23, the connection ring 24, and the like;
a first steel ball retainer 28 sleeved on the upper end of the umbrella-shaped shaft 22 and attached to the support platform of the umbrella-shaped shaft 22;
the steel balls 31 are distributed in the holes of the first steel ball retainer 28, and the lower parts of the steel balls 31 are in sliding contact with the surface of the support platform of the umbrella-shaped shaft 22;
the dust cover pressure head 23 is sleeved on the umbrella-shaped shaft 22, and the lower surface of the dust cover pressure head is attached to the steel ball 31;
the connecting ring 24 is sleeved on the umbrella-shaped shaft 22, and the periphery of the lower part of the connecting ring is in transition fit with the inner side circle of the bottom of the dust cover pressure head 23;
the second steel ball retainer 27 is sleeved on the umbrella-shaped shaft 22 and is attached to the upper surface of the connecting ring 24, steel balls 31 are uniformly distributed in the second steel ball retainer 27, and the steel balls 31 are attached to the upper surface of the connecting ring 24;
an end cover 26 which is arranged at the upper end of the umbrella-shaped shaft 22 and is matched with the excircle at the upper part of the umbrella-shaped shaft 22;
the piston profiling guide cup 25 is sleeved on the inner side of the dust cover pressure head 23 and is in clearance fit with the excircle shaft hole of the connecting ring 24;
the hinge pins 29 are 4 in number, are uniformly distributed below the piston profiling guide cup 25, and the head parts of the hinge pins are positioned at the bottom of the dust cover pressure head 23;
the spring 30 is sleeved outside the hinge pin 29, and two ends of the spring 30 are in contact with the dust cover pressure head 23 and the piston profiling guide cup 25;
and the jackscrew 32 is arranged in the circular hole of the piston profiling guide cup 25, extrudes the hinge pin 29 and plays a role in fixing the hinge pin 29.
A countersunk screw 33 mounted on the umbrella shaft 22 for fixing the end cap 26.
The working process of the invention when the press mounting of the piston dust cover is carried out is as follows:
(1) The pallet tool belt calipers enter a workstation, and the pallet is lifted in place;
(2) The transverse moving mechanism drives the floating pressure head 20 to move forward to a proper position;
(3) The bottom servo press moves upwards to contact the bottom of the floating pressure head 20 and then continues to move upwards;
(4) The piston profiling guide cup 25 in the floating pressure head 20 firstly contacts the bottom of the piston dust cover, and because a 2mm gap is formed between the dust cover pressure head 23 and the umbrella-shaped shaft 22, and the upper side and the lower side of the dust cover pressure head 23 are in point contact with the steel balls 31, the friction force is small, and under the condition that the piston profiling guide cup 25 is used for guiding the piston dust cover in a matched manner, the dust cover pressure head 23 moves and is coaxial with the piston dust cover in combination with the elastic force action of the spring 30;
(5) The servo press continues to drive the floating pressure head 20 to move upwards, and the piston dust cover is pressed on the inner side of the cylinder hole of the clamp body 21;
(6) The servo press withdraws, the vertical moving air cylinder 14 moves downwards, the floating pressure head 20 is pressed to the initial position, and the transverse moving mechanism returns.
(7) And (5) the tray descends and flows into the next station, and the press mounting of the piston dust cover is completed.
The technical contents not described in detail in the present invention are all known techniques.
Claims (10)
1. The automatic press-fitting tool for the rear caliper piston dust cover comprises a bottom plate, wherein a vertical supporting plate is arranged on the bottom plate, and a vertical moving mechanism is arranged on the side surface of the vertical supporting plate; the floating pressure head comprises an umbrella-shaped shaft, a support table on the upper portion of the umbrella-shaped shaft is provided with a dust cover pressure head through a first sliding assembly, a connecting ring is arranged in an inner cavity of the dust cover pressure head, and the lower portion of the connecting ring is fixedly connected with the bottom of the dust cover pressure head; an end cover is installed in the inner cavity of the connecting ring through a second sliding assembly, the end cover is fixed with the umbrella-shaped shaft, and the connecting ring and the dust cover pressure head are limited in the vertical direction of the umbrella-shaped shaft through the end cover; a piston profiling guide cup is mounted on the outer side of the connecting ring, a first gap is formed between the piston profiling guide cup and the dust cover pressure head, and the dust cover pressure head is connected with the piston profiling guide cup through a vertical connecting piece; the dust cover pressure head and the connecting ring are sleeved on the upper portion of the umbrella-shaped shaft through the middle shaft hole, and a second gap is formed between the umbrella-shaped shaft and the middle shaft hole.
2. The automatic press fitting tool for the dust cover of the piston of the rear caliper as recited in claim 1, wherein the first sliding assembly and the second sliding assembly are both made of steel ball holding float and steel ball; the end cover is arranged at the upper end of the umbrella-shaped shaft through a countersunk head screw.
3. The automatic press fitting tool for the rear caliper piston dust cover as claimed in claim 1, wherein the vertical connecting piece comprises a hinge pin with an externally threaded upper portion, a threaded hole is formed in the bottom of the piston profiling guide cup, a through hole corresponding to the threaded hole is formed in the bottom of the dust cover pressure head, the hinge pin penetrates through the through hole and then is connected with the threaded hole, and a spring is sleeved on the periphery of the hinge pin between the dust cover pressure head and the piston profiling guide cup.
4. The automatic press fitting tool for the rear caliper piston dust cover according to claim 1 or 3, wherein 3-6 sleeves are arranged on the vertical connecting piece.
5. The automatic press fitting tool for the dust cover of the piston of the rear caliper according to claim 1, wherein the distance range between the first gap and the second gap is 1-5 mm.
6. The automatic press fitting tool for the dust cover of the piston of the rear caliper according to claim 1, wherein a locking assembly with a locking knob is arranged on the tool placing plate, and the umbrella-shaped shaft can be fixed on the mounting groove through the locking assembly.
7. The automatic press-fitting tool for the dust covers of the pistons of the rear calipers as claimed in claim 1, wherein the base plate is provided with a transverse moving mechanism, the transverse moving mechanism comprises a transverse guide rail, a transverse moving plate, a transverse moving fixing plate and a transverse moving cylinder, the transverse guide rail is mounted on the base plate, a sliding block matched with the transverse guide rail is mounted on the bottom surface of the transverse moving plate, the transverse moving cylinder is mounted on the transverse moving fixing plate, the transverse moving fixing plate is mounted on the base plate, the transverse moving cylinder drives the transverse moving plate to act through a guide shaft, and a vertical supporting plate is mounted on the transverse moving plate.
8. The automatic press fitting tool for the dust cover of the piston of the rear caliper is characterized in that a guide rail extrusion block fixed with the bottom plate is arranged on the outer side of the transverse guide rail, and the guide rail extrusion block is in contact connection with the transverse guide rail; the guide shaft of the transverse moving cylinder is connected with the transverse moving plate through a first floating joint; the bottom plate is arranged on the lower portion of the vertical supporting plate and provided with a transverse moving stopping plate, and a first buffer is arranged on the transverse moving stopping plate.
9. The automatic press fitting tool for the dust cover of the piston of the rear caliper according to claim 1, wherein the vertical moving mechanism comprises a vertical guide rail, a vertical moving fixing plate and a vertical moving cylinder, the vertical guide rail is fixed on a vertical supporting plate, the tool placing plate is matched with the vertical guide rail through a sliding block, the vertical moving cylinder is installed on one side of the vertical supporting plate through the vertical moving fixing plate, the tool placing plate is arranged below the vertical moving fixing plate, and the vertical moving cylinder drives the tool placing plate to move through a guide shaft.
10. The automatic press fitting tool for the dust cover of the piston of the rear caliper according to claim 9, wherein a guide shaft of the vertical moving cylinder is connected with a tool placing plate through a second floating joint; the lower part of the vertical supporting plate is provided with a vertical moving stop plate, a stop post and a second buffer are arranged on the vertical moving stop plate, and the vertical moving stop plate is positioned below the tool placing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210518133.2A CN114833547B (en) | 2022-05-13 | 2022-05-13 | Automatic press fitting tool for rear caliper piston dust cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210518133.2A CN114833547B (en) | 2022-05-13 | 2022-05-13 | Automatic press fitting tool for rear caliper piston dust cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114833547A CN114833547A (en) | 2022-08-02 |
| CN114833547B true CN114833547B (en) | 2023-03-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210518133.2A Active CN114833547B (en) | 2022-05-13 | 2022-05-13 | Automatic press fitting tool for rear caliper piston dust cover |
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| CN (1) | CN114833547B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2591269Y2 (en) * | 1993-06-04 | 1999-03-03 | 株式会社リズム | Dust cover assembly device |
| US6708589B2 (en) * | 1999-05-28 | 2004-03-23 | Metaldyne Machining & Assembly Company, Inc. | Brake rotor assembly and method for making same |
| CN202240378U (en) * | 2011-08-25 | 2012-05-30 | 上海新松机器人自动化有限公司 | Self-adaptive centering floating pressure head device |
| CN106514200A (en) * | 2016-11-30 | 2017-03-22 | 广西汽车集团有限公司 | Piston press-fitting device |
| CN206855360U (en) * | 2017-06-15 | 2018-01-09 | 山东泰丰制动系统科技股份有限公司 | A kind of brake caliper piston dust cover assembly tooling |
| CN207386994U (en) * | 2017-09-19 | 2018-05-22 | 杨继军 | A kind of press-loading apparatus of torsion bar of automobile steering device |
| CN107717329A (en) * | 2017-11-24 | 2018-02-23 | 成都瑞戈科技有限公司 | The assembly tooling of ball stud dust cover and assembly method |
| CN111761327B (en) * | 2020-05-26 | 2024-07-12 | 宁波拓普工业自动化有限公司 | Press-in mechanism of assembly device for automobile ball head bushing |
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| CN114833547A (en) | 2022-08-02 |
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