CN220030109U - Clamp spring mounting equipment - Google Patents

Abstract

The utility model relates to the technical field of jump ring installation, and discloses jump ring installation equipment, which comprises a base, an installation pipe and a pressing mechanism, wherein the installation pipe is arranged on the base and comprises a first transition section, an expansion section and a second transition section, the first transition section and the second transition section are uniform cross section sections, the expansion section is a reducing section, and the expansion section is positioned between the first transition section and the second transition section; the problem that the surface of a workpiece is damaged in the installation process because the clamping spring is not tightly attached to the workpiece in the existing clamping spring installation equipment is solved.

Description

Clamp spring mounting equipment

Technical Field

The utility model relates to the technical field of clamp spring installation, in particular to clamp spring installation equipment.

Background

The snap spring is also called a retainer ring or a snap ring, belongs to one type of fastening piece, is arranged in a shaft groove or a hole groove of a machine or equipment, and plays a role in preventing axial movement of a part on a shaft or a hole. The spring steel is mostly adopted as the material of the clamp spring, and when the clamp spring is installed on a corresponding workpiece, the clamp spring is difficult to be assembled after being expanded by hands, and the clamp spring is required to be assisted by a special installation tool.

The jump ring erection equipment can realize the expansion to the jump ring with the help of the erection canal of a reducing usually, overlaps the jump ring earlier in the less one end of erection canal diameter, and the reuse pressing mechanism removes the jump ring by the less one end of erection canal diameter to the great one end of erection canal diameter, realizes the expansion to the jump ring in the in-process of pressing the removal, installs the jump ring after the expansion on the work piece at last. However, due to the width of the clamp spring, in the process of expanding the clamp spring by using the reducing mounting pipe, the problem that the inner diameters of two ends of the clamp spring are different after expansion, so that the clamp spring is not tightly attached to a shaft groove after being sleeved on a workpiece or the surface of the workpiece is scratched and damaged due to the fact that the upper end of the clamp spring is expanded and unshaped can be caused.

Disclosure of Invention

The utility model aims to provide clamp spring installation equipment, which solves the problems that clamp springs are not tightly attached to a workpiece and the surface of the workpiece is damaged in the installation process in the existing clamp spring installation equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the clamp spring mounting device comprises a base, a mounting pipe and a pressing mechanism, wherein the mounting pipe is arranged on the base and comprises a first transition section, an expansion section and a second transition section, the first transition section and the second transition section are equal-section sections, the expansion section is a reducing section, and the expansion section is located between the first transition section and the second transition section.

The beneficial effect of this scheme is: through add the second changeover portion of isophase section behind the expansion section, the jump ring can be adjusted to the state that upper and lower equal cross section was all taken turns to along the in-process of second changeover portion downwardly moving, avoids the jump ring to expand the back and just directly cup joints the work piece with not taking shape yet, leads to the jump ring that does not take shape and work piece laminating not closely enough and the jump ring scratch work piece surface, causes the problem of damage.

1. During installation, cup joint the jump ring on first changeover portion earlier, because first changeover portion just in time with jump ring looks adaptation, consequently the jump ring can not atress expansion, also can not rebound, fly out upwards, lead to the extravagant of jump ring, increase processing cost's problem.

2. The second transition section can also prevent the rebound and the flying-out of the clamp spring after the pressing mechanism is evacuated upwards due to faults, so that the installation efficiency of the equipment is ensured, and the possibility of damage of the clamp spring in the installation process is reduced.

Preferably, both sides of the longitudinal section of the expansion section are arc-shaped protruding outwards.

The beneficial effect of this scheme is: if jump ring self width is great, because the stability of jump ring self structure, when jump ring expansion deformation, current installation is hung and is only carried out atress expansion to jump ring bottom, the middle part and the upper end of jump ring and keep original state because of not contacting with the expansion section, and the atress is very inhomogeneous when expanding promptly whole jump ring to very easily lead to the jump ring structure after the expansion deformation not symmetrical enough, influence the result of use of follow-up work piece. The two sides of the longitudinal section of the expansion section of the mounting tube are arc-shaped protruding outwards, and the contact surface between the outer wall of the expansion section and the inner wall of the clamp spring is more, so that the purpose that the stress of the clamp spring with larger width can be more uniform during expansion is realized, and the lamination effect between the formed clamp spring and a workpiece is better.

Preferably, the device further comprises a connecting plate, wherein the connecting plate is vertically arranged on the base, the connecting plate is connected with the mounting pipe, and the connecting plate is parallel to the axis of the mounting pipe.

The beneficial effect of this scheme is: because the bottom of installation tube needs the corresponding work piece of butt joint, consequently through setting up the connecting plate, realize the connection to the installation tube.

Preferably, the longitudinal section of the connecting plate is horn-shaped, and one end of the connecting plate connected with the first transition section is smaller than one end of the connecting plate connected with the second transition section.

The beneficial effect of this scheme is: 1. the longitudinal section of connecting plate is loudspeaker form, and the connecting plate is whole for big-end-up's shape promptly, therefore the accessible sets up the connecting plate and installs the shape of pipe surface junction and the jump ring opening along the installation pipe down in-process the shape the same of change for the jump ring carries out the expansion through the installation pipe simultaneously, the connecting plate also expands the opening part of jump ring, let originally the opening part obtain supporting, thereby make the atress of jump ring at the in-process of expansion more even, avoid jump ring shape and standard after the expansion to be inconsistent, cause reworking or lead to the work piece to break down in future use.

2. The increased width below the connecting plate also increases the connection strength between the mounting tube and the plug block, so that the mounting tube is stable in the mounting process.

Preferably, the pressing mechanism comprises a pressing plate and an air cylinder, wherein the air cylinder controls the pressing plate to move upwards and downwards in the vertical direction relative to the base, and a through hole is formed in the pressing plate and is used for the installation tube to pass through.

The beneficial effect of this scheme is: the clamp spring is driven to move downwards along the mounting pipe by the pressing plate, so that the expansion deformation of the clamp spring is realized.

Preferably, the bottom of the pressing plate is detachably connected with a pressing plate.

The beneficial effect of this scheme is: the pressing piece is arranged to be detachably connected with the pressing plate, when the equipment is deformed or damaged due to the fact that the service time is too long and the pressing piece is deformed, the damaged pressing piece can be detached and replaced, so that the situation that the clamping spring is subjected to uneven pressure due to the fact that the pressing piece is damaged and deformed, deformation abnormality occurs due to the fact that the expansion deformation of the clamping spring does not meet the standard or the stress of the clamping spring is uneven is avoided, and the clamping spring cannot be attached to a workpiece is avoided.

Preferably, the mounting tube is detachably connected to the base, and the side wall of the through hole extends out of the pressing plate.

The beneficial effect of this scheme is: 1. the tubulation also sets up to dismantling the connection, presses the piece through changing the different clamp spring of pressing of different model sizes to reach the purpose that increases the equipment commonality.

2. The lateral walls of the two through holes extend out of the pressing plate, namely, the through holes are provided with openings towards the outside of the pressing plate, so that the pressing plate can be replaced and adjusted more conveniently.

Preferably, the base is provided with a guide rod, and the pressing plate is in sliding connection with the guide rod.

The beneficial effect of this scheme is: the guide rod realizes the guide positioning in the process of upward moving and downward pressing of the pressing plate, and ensures that the pressing plate has uniform pressure on the clamp spring, thereby further ensuring the compliance standard of the clamp spring after expansion deformation and being better attached to a workpiece.

Preferably, the base is provided with a limit column, and the height of the limit column is equal to the height of the top end of the clamp spring after the installation is completed to the surface of the base.

The beneficial effect of this scheme is: avoid the push down excessive, damage to jump ring and work piece.

Drawings

FIG. 1 is a three-dimensional view of embodiment 1 of the present utility model;

FIG. 2 is a three-dimensional view of the snap spring of the embodiment of the utility model 1 during installation;

FIG. 3 is a three-dimensional view of a base of embodiment 1 of the present utility model;

FIG. 4 is a three-dimensional view of a mounting tube according to embodiment 1 of the present utility model;

fig. 5 is a three-dimensional view of a pressing plate according to embodiment 1 of the present utility model;

fig. 6 is a front view of a mounting tube according to embodiment 2 of the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: base 1, mount pad 11, mounting hole 111, spacing post 12, guide bar 13, joint lug 14, joint groove 15, locating piece 16, mounting tube 2, first changeover portion 21, expansion section 22, second changeover portion 23, connecting plate 3, grafting piece 31, pressing plate 4, through-hole 41, pressing plate 42, sliding hole 43, cylinder 44, jump ring 5, work piece 6.

Example 1

Embodiment 1 basically is as shown in fig. 1-5, and the jump ring erection equipment as shown in fig. 1 comprises a base 1, an erection tube 2 and a pressing mechanism, wherein the erection tube 2 is vertically arranged on the base 1 and is used for realizing the expansion operation in the erection process of the jump ring 5, and the pressing mechanism is used for pressing the jump ring 5 to enable the jump ring 5 to move downwards along the outer wall of the erection tube 2 so as to realize the expansion operation.

As shown in fig. 3, the base 1 is square, the base 1 is fixed with mounting seats 11 by screws, in this embodiment, two mounting positions are provided on one base 1, so that the two workpieces 6 can be simultaneously mounted with the clamp springs 5 to improve the device mounting efficiency, and therefore, the two mounting seats 11 are provided in total; the mounting seats 11 are provided with mounting holes 111, and the mounting holes 111 are used for plugging and fixing the mounting tubes 2. The base 1 is further provided with a workpiece mounting assembly, the workpiece mounting assembly is designed differently according to the shape of the bottom of a workpiece 6 to be processed actually, the mounting assembly of the left mounting position is a clamping projection 14, the mounting assembly of the right mounting position is a clamping groove 15 and a positioning block 16, the workpiece 6 to be processed is a fixing ball head of a trunk supporting rod for a vehicle, the cross section of the supporting rod is square, the length of the clamping groove on the supporting rod is 20mm, therefore, the width of the clamp spring 5 is 20mm in the embodiment, and an opening is formed in the clamp spring 5 to ensure that the clamp spring 5 can realize expansion deformation.

As shown in fig. 4, the mounting tube 2 is provided with a first transition section 21, an expansion section 22 and a second transition section 23 in sequence from top to bottom, and since the cross section of the workpiece 6 to be processed in this embodiment is square overall, the cross sections of the first transition section 21, the expansion section 22 and the second transition section 23 are all square. The first transition section 21 and the second transition section 23 are equal-section sections, and the cross section of the first transition section 21 is smaller than that of the second transition section 23; the enlarged section 22 is a reducing section, and the cross section of the enlarged section 22 is uniformly enlarged from top to bottom in sequence, so that the first transition section 21 and the second transition section 23 are uniformly connected in a transitional manner. The installation tube 2 is detachably connected to the base 1, and the specific detachable connection mode is as follows: a connecting plate 3 is vertically welded and fixed on the side wall of the installation tube 2, the fixed connecting plate 3 is parallel to the axial direction of the installation tube 2, the connecting plate 3 is fixedly connected with a plug block 31 in a welded manner, and the lower end of the plug block 31 can be just inserted into the installation hole 111, so that the detachable connection between the installation tube 2 and the base 1 is realized. The outer wall of the first transition section 21 is the same as the inner wall of the jump ring 5 before expansion, the length of the first transition section 21 is larger than the width of the jump ring 5, and when the jump ring is installed, the jump ring 5 is sleeved on the first transition section 21, and the jump ring 5 cannot expand under force and rebound upwards and fly out due to the fact that the first transition section 21 is just matched with the jump ring 5, so that the jump ring 5 is not wasted and the processing cost is increased; when the pressing mechanism drives the clamp spring 5 to move downwards in the expansion section 22, the clamp spring 5 gradually begins to expand under the stress, and then continues to move downwards to the second transition section 23 after expanding to a proper size, and the second transition section 23 is also provided with a section with the same cross section, so that the clamp spring 5 can be adjusted to be in a state with the same cross section upwards and downwards in the process that the clamp spring 5 moves downwards along the second transition section 23, when the clamp spring 5 is pressed onto the workpiece 6 below the mounting pipe 2 by the second transition section 23, the clamp spring 5 with the same cross section can be better attached to a clamping groove of the workpiece 6, and the defect that the clamp spring 5 is insufficient in forming time and incomplete in forming when the clamp spring 5 is directly sleeved on the workpiece 6 by the expansion section 22, so that the mounting failure or the surface scratch on the workpiece 6 is serious in the mounting process is avoided; and the second transition section 23 can also prevent the condition that the jump ring 5 rebounds and flies out after the pressing mechanism is evacuated upwards due to failure, thereby ensuring the installation efficiency of the equipment and reducing the possibility of damaging the jump ring 5 in the installation process.

As shown in fig. 4, the longitudinal section of the connection plate 3 is horn-shaped, that is, the connection plate 3 is overall in a shape with a small upper part and a large lower part. In this embodiment, the shape of the connection part between the connection plate 3 and the surface of the mounting tube 2 is the same as the shape of the opening of the clamp spring 5, which is changed in the process of moving downwards along the mounting tube 2, so that the connection plate 3 expands the opening part of the clamp spring 5 while the clamp spring 5 expands through the mounting tube 2, and the original opening part is supported, so that the stress of the clamp spring 5 in the expanding process is more uniform, the shape of the clamp spring 5 after expansion is prevented from being inconsistent with the standard, and reworking or the work piece 6 is caused to be used in future. At the same time, the increased width under the connecting plate 3 also increases the connection strength between the mounting tube 2 and the plug-in block 31, so that the mounting tube 2 remains stable during the mounting process.

As shown in fig. 5, the pressing mechanism includes a pressing plate 4 and an air cylinder 44, an output shaft of the air cylinder 44 is fixedly connected to the top of the pressing plate 4 through threads, and the air cylinder 44 and the output shaft are started to stretch and retract so as to drive the pressing plate 4 to move upwards and downwards in the vertical direction relative to the base 1. Two through holes 41 are formed in the pressing plate 4, the two through holes 41 are larger than the second transition section 23, the through holes 41 are square holes, and when the mounting tube 2 is connected to the base 1, the upper ends of the first transition section 21 and the expansion section 22 of the mounting tube 2 penetrate out of the through holes 41. The bottom of the pressing plate 4 is detachably connected with a pressing plate 42 through a screw, the pressing plate 42 is connected to the through hole 41, and in the process of downward movement of the pressing plate 4, the clamping spring 5 is extruded by the pressing plate 42 to move downwards along the mounting pipe 2; the setting press piece 42 can dismantle with the press plate 4 and be connected, when equipment is because of the live time is too long, press piece 42 appears warping or damaging, can dismantle the change with the press piece 42 that damages to avoid appearing damaging the pressure inhomogeneous that warp and lead to jump ring 5 to receive because of pressing piece 42, cause because of jump ring 5 expansion deformation does not accord with the standard or because of jump ring 5 self atress inhomogeneous deformation abnormality appears, cause the condition that can not laminate between jump ring 5 and the work piece 6. And, through changing different pressing piece 42, make the part that pressing piece 42 is located in through-hole 41 increase or reduce to realize pressing down to jump ring 5 of different model sizes, because installation tube 2 sets up to detachable connection equally, can realize the jump ring 5 installation to different work pieces 6 through combining pressing piece 42 and installation tube 2 of equidimension, thereby reach the purpose that increases the equipment commonality. In this embodiment, two pressing pieces 42 are connected to each through hole 41, and the two pressing pieces 42 are symmetrical to each other, so as to ensure uniformity in the pressing and moving down process of the clamp spring 5; in addition, the side walls of the two through holes 41 extend to the outside of the pressing plate 4, i.e. the through holes 41 open to the outside of the pressing plate 4, thereby facilitating the replacement and adjustment of the pressing plate 42.

As shown in fig. 1, two guide rods 13 are vertically fixed on the base 1 by welding; as shown in fig. 5, two sliding holes 43 are formed in the pressing plate 4, and two guide rods 13 are respectively slidably connected in the two sliding holes 43, so as to realize guiding and positioning in the process of moving up and pressing down the pressing plate 4, ensure that the pressing force of the pressing plate 42 on the clamp spring 5 is uniform, further ensure that the clamp spring 5 after expansion deformation meets the standard, and be better attached to the workpiece 6. The base 1 is also vertically welded and fixed with a limiting column 12, the limiting column 12 is positioned in the middle of the two mounting pipes 2, the height of the limiting column 12 is equal to the height from the bottom end of the workpiece 6 to the top end of the clamping spring 5 after the mounting is completed, namely, the pressing plate 4 is prevented from moving down excessively, and damage is caused to the clamping spring 5 and the workpiece 6.

The specific implementation process is as follows: as shown in fig. 2, the case of the left side mounting position is: the clamping spring 5 is sleeved on the first transition section 21 of the mounting pipe 2, but no workpiece 6 to be mounted is arranged; the right side installation site is: the workpiece 6 is fixed on the base 1 through the positioning block 16 and the clamping groove 15, and the clamp spring 5 is successfully installed on the workpiece 6.

When the clamp spring 5 is installed, the workpiece 6 is fixed on the base 1 through the installation component, and the clamping groove on the workpiece 6 is ensured to be coaxial with the installation pipe 2; the clamping spring 5 is sleeved on the first transition section 21, the opening of the clamping spring 5 is also just sleeved on two sides of the upper end of the connecting plate 3, then the air cylinder 44 is started, the output shaft of the air cylinder 44 stretches to drive the pressing plate 4 to move downwards, the pressing piece 42 pushes against the top end of the clamping spring 5 to drive the clamping spring 5 to move downwards at a constant speed, the clamping spring 5 is gradually expanded and deformed when passing through the expansion section 22, then the clamping spring 5 moves downwards to the second transition section 23, and in the second transition section 23, each part of the clamping spring 5 can be adjusted to be in a uniform section state with the same size and shape as those of the cross section of the workpiece 6; finally, the pressing piece 42 continuously drives the clamp spring 5 to move down to the clamping groove of the workpiece 6, so that the installation is completed.

In the installation process, the clamp spring 5 is expanded to be changed into a uniform section through the adjustment of the second transition section 23, so that when the clamp spring 5 is installed on the workpiece 6, the whole clamp spring 5 can be attached to the outer surface of the workpiece 6, and the faults of abnormal sound, falling and the like of the workpiece 6 in the subsequent use caused by the fact that the attachment of the clamp spring 5 is not tight after the installation of the existing equipment are avoided; moreover, since the snap spring 5 is made of hard and elastic materials, such as spring steel, if the output shaft of the air cylinder 44 accidentally retracts and the pressing plate 4 moves upwards during the downward pressing process of the pressing plate 4, the first transition section 21 and the second transition section 23 can ensure that the snap spring 5 is still sleeved on the mounting tube 2 without rebound, flying out and other conditions when the pressure on the snap spring 5 is removed.

Example 2

The jump ring installation apparatus shown in fig. 6 is different from embodiment 1 in that: both sides of the longitudinal section of the enlarged section 22 of the mounting tube 2 are arc-shaped protruding outwards.

In the existing clamp spring mounting equipment, the longitudinal section of an expansion section for expanding the clamp spring 5 is isosceles trapezoid; if the width of the jump ring 5 is large, due to the stability of the structure of the jump ring 5, when the jump ring 5 expands and deforms, the bottom end of the jump ring 5 is only stressed and expanded, the middle part and the upper end of the jump ring 5 keep the original state because the jump ring 5 is not contacted with the expansion section, namely, the stress of the whole jump ring 5 is very uneven during expansion, so that the structure of the jump ring 5 after the expansion and deformation is very easy to cause uneven, and the using effect of the subsequent workpiece 6 is affected. In this embodiment, the two sides of the longitudinal section of the expansion section 22 of the mounting tube 2 are provided with an arc shape protruding outwards, so as to achieve the purpose that the stress of the clamping spring 5 with a larger width can be more uniform during expansion.

For convenience of illustration, fig. 6: the left side is the front view of the mounting tube 2 in this embodiment, and the right side is the front view of the existing expansion section, and it can be known that, compared with the expansion section in the prior art, the expansion section 22 in this embodiment has more contact surfaces between the outer wall of the expansion section 22 and the inner wall of the clamping spring 5, so that the effect of making the overall stress of the clamping spring 5 more uniform can be achieved, and the bonding effect between the formed clamping spring 5 and the workpiece 6 is better.

The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (9)

1. Jump ring erection equipment, its characterized in that: including base, installation pipe and pressing mechanism, the installation pipe sets up on the base, and the installation pipe is including first changeover portion, expansion section and second changeover portion, and first changeover portion and second changeover portion are the constant cross section, and the expansion section is the reducing section, and the expansion section is located between first changeover portion and the second changeover portion.

2. The clip spring mounting apparatus of claim 1, wherein: both sides of the longitudinal section of the expansion section are arc-shaped protruding outwards.

3. The clip spring mounting apparatus of claim 2, wherein: the connecting plate is vertically arranged on the base, is connected with the mounting pipe and is parallel to the axis of the mounting pipe.

4. The clip spring mounting apparatus of claim 3, wherein: the longitudinal section of the connecting plate is horn-shaped, and one end of the connecting plate connected with the first transition section is smaller than one end of the connecting plate connected with the second transition section.

5. Jump ring mounting apparatus according to any one of claims 1-4, characterized in that: the pressing mechanism comprises a pressing plate and an air cylinder, the air cylinder controls the pressing plate to move upwards and downwards in the vertical direction relative to the base, and a through hole is formed in the pressing plate and is used for the installation pipe to pass through.

6. The clip spring mounting apparatus of claim 5, wherein: the bottom of the pressing plate is detachably connected with a pressing plate.

7. The clip spring mounting apparatus of claim 6, wherein: the mounting pipe is detachably connected to the base, and the side wall of the through hole extends out of the pressing plate.

8. The clip spring mounting apparatus of claim 7, wherein: the base is provided with a guide rod, and the pressing plate is in sliding connection with the guide rod.

9. The clip spring mounting apparatus of claim 8, wherein: the base is provided with a limit column, and the height of the limit column is equal to the height of the top end of the clamp spring to the surface of the base after the installation is completed.