Press fitting device for soft limiting ring

Abstract

The utility model relates to the field of part manufacturing and processing, in particular to a press-fitting device of a soft limiting ring, which comprises a press-fitting assembly, a stamping assembly arranged in the press-fitting assembly in a penetrating manner and a bottom plate fixedly connected with the stamping assembly, the outer side of the press-fitting assembly is connected with an in-place detection assembly, and the press-fitting assembly comprises a shell sleeve. And the clamping assembly is arranged in the shell sleeve in a penetrating mode, and the stamping assembly is in sliding connection with the press-fitting assembly. Compared with the mode that a tool is manually used for installing the limiting ring, the press-fitting device for the soft limiting ring improves the press-fitting efficiency and accuracy of the limiting ring, avoids the risk of neglected fitting, can cope with press-fitting of soft limiting rings of different sizes and structures, and improves the flexibility.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of part manufacturing and processing, especially relates to a soft limit ring press -fitting device. BACKGROUND

[0002] Soft limit ring is widely used in various industries, which has certain elasticity and sealing property, is convenient to install and has low manufacturing cost. In the assembly process of double pinion electric power steering system, rack structure needs to be assembled in the inside of steering gear, in order to reduce the noise and abrasion generated by the collision between rack and shell in the radial direction, soft limit ring needs to be installed to limit the movement of rack.

[0003] At present, the assembly of soft limit ring of double pinion electric power steering system is mostly manual assembly by using press -fitting tool, which cannot ensure that the protrusion of soft limit ring is aligned with the recess in the system shell at one time, affects the effect of soft limit ring, and manual assembly has certain risk of missing.

[0004] After searching, no patent document similar to the feature technology mentioned in the application is found, so no example is illustrated. UTILITY MODEL CONTENT

[0005] In view of the problem that the manual press -fitting tool of soft limit ring has poor accuracy and certain risk of missing, the utility model provides a soft limit ring press -fitting device with high accuracy and can avoid the risk of missing.

[0006] In order to realize the above technical effect, the utility model provides:

[0007] A soft limit ring press -fitting device, comprising a press -fitting assembly, a stamping assembly penetrating in the press -fitting assembly, a bottom plate fixedly connected with the stamping assembly, a position detection assembly connected outside the press -fitting assembly, the press -fitting assembly comprises a shell sleeve, a clamping assembly penetrating in the shell sleeve, and the stamping assembly is slidably connected with the press -fitting assembly.

[0008] The press -fitting assembly comprises a shell sleeve and a clamping assembly, the clamping assembly is used for clamping the limit ring, the stamping assembly penetrates in the press -fitting assembly and is slidably connected with the press -fitting assembly, is used for press -fitting the limit ring clamped on the clamping assembly into the limit ring mounting groove of the part, and the position detection assembly is connected on the outer side of the press -fitting assembly and is used for detecting whether the limit ring is installed on the clamping assembly, to avoid missing.

[0009] The shell sleeve is cylindrical, and the clamping assembly is fixedly connected with the shell sleeve through a first connecting rod. The first connecting rod is used for fixedly connecting the shell sleeve and the clamping assembly, the shell sleeve and the clamping assembly have a gap, and the stamping assembly penetrates in the gap.

[0010] The anti-misplacement assembly is provided with a profiling structure, and the limit ring clamp comprises a first clamp assembly and a second clamp assembly, and a plurality of elastic members are arranged between the first clamp assembly and the second clamp assembly. The two end faces of the limit ring are different in shape, the anti-misplacement assembly is provided with a profiling structure corresponding to the concave surface shape of the limit ring, the installation direction is ensured, the limit ring clamp is composed of the first clamp assembly, the second clamp assembly and the elastic members therebetween, and the limit ring can be fixed to the limit ring clamp by the elastic force of the elastic members during clamping.

[0011] The limit ring clamp is located on the inner side of the anti-misplacement assembly, and the first clamp assembly and the second clamp assembly are connected with the anti-misplacement assembly through a second connecting rod. The first clamp assembly and the second clamp assembly are provided with through holes, and the second connecting rod passes through the two through holes to fix the limit ring clamp to the anti-misplacement assembly.

[0012] The stamping assembly comprises a connecting seat and a pressure head, the connecting seat is fixedly connected with the bottom plate, the pressure head is in a cylindrical shape and is attached to the outer side of the clamping assembly, two opposite sliding grooves are arranged on the side surface of the pressure head, and the first connecting rod is arranged in the sliding groove. The stamping process of the pressure head is realized through the sliding connection of the first connecting rod and the sliding groove.

[0013] The in-position detection assembly comprises first and second connecting arms arranged on the two sides of the shell sleeve, the first connecting arm is provided with a first detection probe, the second connecting arm is provided with a second detection probe, and an in-position detection line is formed between the first detection probe and the second detection probe.

[0014] A limit sleeve is arranged on the side surface of the shell sleeve, and the limit sleeve is arranged on the side surface of the shell sleeve away from the bottom plate. The limit sleeve is used for limiting parts when the limit ring is installed, so that the installation of the limit ring is more accurate.

[0015] The bottom plate is connected with a gas cylinder or a servo motor.

[0016] The beneficial effects of the utility model are as follows:

[0017] Compared with the manual use of the tool for installing the limit ring, the soft limit ring pressing device improves the efficiency and accuracy of the limit ring pressing, avoids the risk of missing installation, and the anti-misplacement assembly and the limit ring clamp can be disassembled to cope with the pressing of soft limit rings of different sizes and structures, and the flexibility is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the soft limit ring pressing device.

[0019] Figure 2It is a structure schematic view of the punch assembly and the press assembly.

[0020] Figure 3 It is a structure schematic view of the misalignment assembly and the limiting ring clamp.

[0021] Figure 4 It is a structure schematic view of the first clamp assembly and the second clamp assembly.

[0022] Reference signs:

[0023] 1, press assembly; 2, punch assembly; 3, bottom plate; 4, in-position detection assembly; 5, first connecting rod; 6, second connecting rod; 7, limiting sleeve;

[0024] 11, shell sleeve; 12, clamping assembly; 21, connecting seat; 22, pressure head; 23, sliding groove; 41, first connecting arm; 42, second connecting arm; 43, first detection probe; 44, second detection probe;

[0025] 121, misalignment assembly; 122, limiting ring clamp; 123, first clamp assembly; 124, second clamp assembly; 125, elastic member; DETAILED DESCRIPTION

[0026] The following specific embodiments illustrate the implementation of the present application, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content.

[0027] The present application provides a soft limiting ring press device, and the following describes the preferred embodiment of the soft limiting ring press device.

[0028] As shown in Figure 1 A soft limiting ring press device includes a press assembly 1, a punch assembly 2 disposed in the press assembly 1, a bottom plate 3 fixedly connected with the punch assembly 2, an in-position detection assembly 4 connected to the outer side of the press assembly 1, and the punch assembly 2 and the press assembly 1 are slidingly connected.

[0029] As shown in Figure 2 and Figure 3As shown, the press-fitting assembly 1 comprises a shell sleeve 11 and a clamping assembly 12, the shell sleeve 11 is cylindrical, and the outer side is provided with a plurality of mounting holes for connecting the position detection assembly 4; the clamping assembly 12 is arranged in the shell sleeve 11, and is fixedly connected with the shell sleeve 11 through the first connecting rod 5 penetrating a section of the clamping assembly 12, and the shell sleeve 11 has a gap with the clamping assembly; the end face of the clamping assembly 12 away from the first connecting rod 5 is provided with a square anti-dislocation assembly and a limiting ring clamp 122, the anti-dislocation assembly 121 is annular and has a profiling structure, the limiting ring clamp 122 comprises a first clamp assembly 123 and a second clamp assembly 124, and a plurality of elastic members 125 are arranged between the first clamp assembly 123 and the second clamp assembly 124; the profiling structure of the anti-dislocation assembly 121 is designed according to the end face structure of the limiting ring, so as to avoid reverse installation during the sleeving of the limiting ring; the end face of the profiling structure of the anti-dislocation assembly 121 is provided with a boss, and the boss has a through hole, and the through hole is provided with a bolt for detachable connection with the clamping assembly, so as to facilitate the sleeving of the limiting ring with different end face structures.

[0030] As shown in Figure 4 , the limiting ring clamp 122 comprises a first clamp assembly 123 and a second clamp assembly 124 and two elastic members 125 between the first clamp assembly 123 and the second clamp assembly 124, and the elastic members 125 are springs; as shown in Figure 4 , the first clamp assembly 123 and the second clamp assembly 124 are of the same structure and are symmetrically arranged, and the first clamp assembly 123 and the second clamp assembly 124 are formed by halving the same mold from the middle axis and are respectively subjected to corresponding elastic member 125 position hole machining and burr machining; taking the first clamp assembly 123 as an example, it comprises a bottom, a transition section, a clamping section and a sleeving section, the bottom is the larger outer diameter end, the end face is flat and is attached to the anti-dislocation assembly 121, a through hole vertically penetrating the plane of the elastic member 125 is formed in the side surface of the bottom and the transition section, the through hole is used for penetrating the second connecting rod 6, the clamping section is smooth in surface and is the part clamping the limiting ring, the clamping section is smoothly connected to the sleeving section, the sleeving section gradually reduces the outer diameter size towards the end face, facilitating the sleeving of the limiting ring, the end face is flat and is smoothly connected to the sleeving section, and the two side faces of the first clamp assembly 123 are perpendicular to the plane of the elastic member 125; the second clamp assembly 124 is the same in structure as the first clamp assembly 123 and is oppositely arranged, the two elastic members 125 are respectively arranged in the hole, and the hole positions for placing the elastic members 125 are at the positions of the clamping section close to the transition section and the positions of the sleeving section close to the end face; the first clamp assembly 123 and the second clamp assembly 124 are fixedly connected on the anti-dislocation assembly 121 through the through holes of the first clamp and the second clamp, and during the clamping of the limiting ring, the first clamp assembly 123 and the second clamp assembly 124 move along the straight line direction of the axis of the second connecting rod 6.

[0031] The stamping assembly 2 comprises a connecting seat 21 and a punch 22, the connecting seat 21 is fixedly connected with the bottom plate 3, the punch 22 is in a cylindrical shape and the inner side surface is in abutment with the outer side surface of the clamping assembly 12, two sliding grooves 23 are arranged on the side surface of the punch 22 in opposition, and the first connecting rod 5 is arranged in the sliding grooves 23; the connecting seat 21 is fixedly connected with the punch 22, the connecting seat 21 is fixedly connected with the floor, the punch 22 is in a cylindrical shape, one end is connected with the connecting seat 21, and the other end is used for pushing the limiting ring out of the limiting ring clamp 122; the inner side surface of the punch 22 comprises a first sliding surface and a second sliding surface, the circumferential dimension of the second sliding surface is greater than the axial dimension of the second sliding surface, the first sliding surface is in abutment with the outer side surface of the clamping assembly, and the second sliding surface is in abutment with the maximum outer diameter side surface of the anti-misplacement assembly 121; the first sliding surface is provided with two sliding grooves 23 in opposition, the first connecting rod 5 is arranged in the two sliding grooves 23, and the punch 22 is connected with the sliding grooves 23 through the first connecting rod 5 to realize the sliding connection with the press assembly 1; the two sliding grooves 23 are located on the first sliding surface and close to the second sliding surface, when the first connecting rod 5 is located at one end of the sliding groove 23 away from the second sliding surface, the punch 22 is completely retracted, and when the first connecting rod 5 is located at one end of the sliding groove 23 close to the second sliding surface, the punch 22 is completely extended and pushes the limiting ring into the installation groove.

[0032] As Figure 1As shown, the in-position detection assembly 4 is arranged on the outer side of the shell sleeve 11, the in-position detection assembly 4 includes a first connecting arm 41 and a second connecting arm 42 arranged on both sides of the shell sleeve 11, the first connecting arm 41 is provided with a first detection probe 43, and the second connecting arm 42 is provided with a second detection probe 44, and an in-position detection line is formed between the first detection probe 43 and the second detection probe 44; the first connecting arm 41 and the second connecting arm 42 are adjusted according to the space of the specific practical scene, and the same structure can be designed and arranged on the opposite two sides of the shell sleeve 11; the first connecting arm 41 includes a first connecting plate, the first connecting plate has a turned edge for protecting the first detection probe 43, the first connecting plate has an adjustable connecting hole, the first detection probe 43 is arranged in the connecting hole, the height of the connecting position can be adjusted, the first connecting arm 41 has a folded plate, the folded plate is fixedly connected with the shell sleeve 11, and the first connecting plate is a certain distance away from the limiting ring clamp 122; the second connecting arm 42 has a second connecting plate, the second connecting plate has a turned edge for protecting the second detection probe 44, the second connecting plate has an adjustable connecting hole, the second detection probe 44 is arranged in the connecting hole, the height of the connecting position can be adjusted, the first connecting arm 41 has a folded plate, the folded plate is fixedly connected with the shell sleeve 11, and the second connecting plate is a certain distance away from the limiting ring clamp 122; an in-position detection line is formed between the first detection probe 43 and the second detection probe 44, the first detection probe 43 and the second detection probe 44 should be kept on the same horizontal plane when arranged, the in-position detection line is adjusted in height according to the size of the limiting ring, and the in-position detection line should pass through the position of the vertical direction of the limiting ring after installation.

[0033] The end of the shell sleeve 11 away from the bottom plate 3 is connected with a limiting sleeve 7 for limiting the installation of the limiting ring part, facilitating accurate press fitting of the limiting ring, the limiting sleeve 7 is detachable and can be replaced according to the size of the actually installed limiting ring part; the bottom plate 3 is connected with a cylinder or a servo motor for driving the bottom plate 3 and the stamping assembly 2 to move in the vertical direction.

[0034] When the press fitting device of the soft limiting ring is fixedly installed with other equipment, the press fitting assembly 1 needs to be fixedly installed to ensure that the bottom plate 3 and the stamping assembly 2 have enough space to complete the entire stamping process.

[0035] The use process of the press fitting device of the soft limiting ring in the embodiment is as follows:

[0036] The operator mobilizes the servo motor to drive the bottom plate 3 and the stamping assembly 2 to lift to the highest position of the stroke, at which time the pressure head 22 is completely retracted close to the end of the limit ring clamp 122, the operator puts the end face of the limit ring sleeve with the profiling structure towards the anti-position assembly 121, and sleeves on the limit ring clamp 122; under the action of the elastic force of the limit ring, the elastic element 125 between the first clamp assembly 123 and the second clamp assembly 124 is compressed, the first clamp assembly 123 and the second clamp assembly 124 hold the limit ring, adjust the connection of the limit ring and the square anti-position assembly, and the profiling structure and the corresponding structure in the limit ring are embedded; the in-position detection assembly 4 detects that the limit ring is in position, and the limit ring can be pressed and assembled; the operator butts the parts to be installed with the limit ring with the pressing assembly 1, the end face of the part is butted with the limit sleeve 7; the servo motor drives the bottom plate 3 and the stamping assembly 2 to move vertically downward, the pressure head 22 contacts the end face of the limit ring and pushes the limit ring, the limit ring is separated from the limit ring clamp 122 and enters the installation groove of the part at the same time, the single pressure head 22 forms when it reaches the vertically lowest position, the limit ring and the installation groove of the part complete the installation, and the buckle of the limit ring is clamped with the installation groove; the operator mobilizes the servo motor to drive the bottom plate 3 and the stamping assembly 2 to return to the initial position, and takes down the part.

[0037] Example two

[0038] For the soft limit ring of larger size parts, the manufacturing cost of the limit ring clamp 122 is higher, and the clamping effect of the limit ring is poor in actual use. Therefore, the third clamp assembly and the fourth clamp assembly are added to the limit ring clamp 122. A soft limit ring press-fitting device comprises a press-fitting assembly 1, a stamping assembly 2 arranged in the press-fitting assembly 1, a bottom plate 3 fixedly connected with the stamping assembly 2, a position detection assembly 4 connected outside the press-fitting assembly 1, and the stamping assembly 2 and the press-fitting assembly 1 are slidably connected; the first clamp assembly 123, the second clamp assembly 124, the third clamp assembly and the fourth clamp assembly are the same structure, and are similar to the forming mode of the first clamp assembly 123 and the second clamp assembly 124, the above four clamp assemblies are formed by cutting the same part by two mutually perpendicular planes; the third connecting rod, the fourth connecting rod and the fifth connecting rod are added, the second connecting rod 6 is arranged in the first clamp assembly 123 and connected with the anti-misplacement assembly 121, the third connecting rod is arranged in the second clamp assembly 124 and connected with the anti-misplacement assembly 121, the fourth connecting rod is arranged in the third clamp assembly and connected with the anti-misplacement assembly 121, and the fifth connecting rod is arranged in the fourth clamp assembly and connected with the anti-misplacement assembly 121, and the above connecting rods are all arranged in an inclined manner; the first clamp assembly 123 is adjacent to the second clamp assembly 124 and the third clamp assembly, and the fourth clamp assembly is diagonally arranged with the first clamp assembly 123, and two elastic members 125 are arranged between the adjacent two clamp assemblies; when the soft limit ring is sleeved from the end of the limit ring clamp 122, the distance between the four clamp assemblies is reduced, the elastic members 125 are compressed, and each clamp assembly moves relative to the connecting rod connected therewith, due to the inclined arrangement of each connecting rod, the four clamp assemblies move away from the anti-misplacement assembly 121 during the approaching process, and the displacement can help the soft limit ring to be sleeved, and during the press-fitting process of the soft limit ring, the limit ring clamp 122 moves in the opposite direction, so that the soft limit ring is quickly separated; for the soft limit ring installation of larger size parts, the structure can improve the pre-tightening force of the soft limit ring on the limit ring clamp 122, and the limit ring clamp 122 can provide assistance during the sleeving and press-fitting process.

[0039] The soft limit ring press-fitting device has the advantages that the press-fitting assembly is accurately matched with the stamping assembly, the press-fitting of the soft limit ring is realized, the position detection assembly avoids missing installation, the press-fitting assembly has better efficiency and better accuracy, the risk of missing installation is avoided, and the soft limit ring press-fitting device has practical significance.

[0040] The above is the preferred embodiment of the utility model, which is used to illustrate the utility model and the generated effect. It should be pointed out that for ordinary technical personnel in the technical field, the expected improvement and modification can be made without departing from the principle of the utility model, and the improvement and modification are also within the protection scope of the utility model.

Claims

1. A press fitting device of a soft limiter ring, characterized by, The utility model provides a press -fitting assembly, punch assembly, bottom plate, in -position detection assembly, shell sleeve, clamping assembly, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting rod, anti -misplacement assembly, first detection probe, second detection probe, second connecting rod, connecting seat, pressure head, second connecting rod, first connecting 2. A press fitting device for a soft limiter ring according to claim 1, wherein ​ 3. A press fitting device for a soft limiter ring according to claim 2, wherein ​ 4. A press fitting device for a soft limiter ring according to claim 3, wherein ​ 5. A press fitting device for a soft limiter ring according to claim 2, wherein ​ 6. A soft limiter ring press fitting device according to claim 1, wherein ​ 7. A press fitting device for a soft limit ring according to any one of claims 1 to 6, characterized in that, ​ 8. A soft limiter ring press fitting device according to claim 7, wherein ​

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