A bushing bi-directional crimping apparatus and method

Abstract

The application discloses a kind of bushing bidirectional crimping equipment and method, it is related to bushing crimping technical field, including workbench, horizontal feeding mechanism, vertical crimping mechanism and magnetic attraction overturning mechanism, workbench is installed with linear sliding mechanism;Horizontal feeding mechanism includes the feeding plate connected on the upside of linear sliding mechanism, the crimping seat of detachable connection of feeding plate, and feeding plate is connected feeding cylinder;Vertical crimping mechanism is located above linear sliding mechanism, including crimping cylinder, the crimping sleeve connected with crimping cylinder, and crimping sleeve can crimp bushing when with crimping seat centering;Magnetic attraction overturning mechanism is located in vertical crimping mechanism side, including overturning clamp and permanent magnet, and permanent magnet is used to keep the magnetic field force of internal metal part of bushing when overturning clamp clamps and overturns bushing.The application can realize that bushing is crimped once two-way, does not need to be turned over artificially, and crimping efficiency is high;Meanwhile, when automatic overturning, the separation of internal part of bushing and outer tube does not appear, and crimping precision is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bushing press connection, in particular to a bushing bidirectional press connection equipment and method. BACKGROUND

[0002] The bushing press connection equipment is used in the press fitting process of the bushing, and the bushing is installed to the corresponding position, so that the installation efficiency and accuracy of the bushing can be improved. When the bushing needs to be bidirectionally press connected, the traditional bushing press connection equipment usually needs to be manually turned over, and the press connection efficiency and accuracy are low.

[0003] In the prior art, a bidirectional press fitting equipment for rubber bushings is disclosed, which comprises an equipment base, a first sliding frame, a second sliding frame, a telescopic driving device and a workpiece mounting seat, and press fitting force is applied to two bushings to realize bidirectional press fitting of the two bushings. The prior art also discloses an automobile control arm rubber bushing press fitting equipment, which comprises a press fitting platform, a positioning and clamping element, a feeding device, a linear reciprocating driver, a first press fitting unit and a second press fitting unit, and can simultaneously press fit the front and rear bushings of the automobile control arm. It can be seen that the existing bidirectional press fitting equipment is for simultaneous press fitting of two bushings, and cannot realize one-time bidirectional press connection of the same bushing. SUMMARY

[0004] In view of the deficiencies of the prior art, the purpose of the present application is to provide a bushing bidirectional press connection equipment and method, which can realize one-time bidirectional press connection of the bushing, does not need to be manually turned over, has high press connection efficiency, and does not cause the separation of the internal components of the bushing from the outer tube during automatic turning over, and has high press connection accuracy.

[0005] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme:

[0006] In a first aspect, the embodiments of the present application provide a bushing bidirectional press connection equipment, comprising:

[0007] A workbench, on which a linear sliding mechanism is installed;

[0008] A horizontal feeding mechanism, comprising a feeding plate connected to the upper side of the linear sliding mechanism, the feeding plate is detachably connected to a press connection seat, and the feeding plate is connected to a feeding cylinder; the press connection seat is used for bearing the bushing;

[0009] A vertical press connection mechanism located above the linear sliding mechanism, comprising a press connection cylinder and a press connection sleeve connected to the press connection cylinder, the press connection sleeve can press connect the bushing when the press connection sleeve is centered with the press connection seat;

[0010] A magnetic turning mechanism is arranged on one side of the vertical press connection mechanism, comprising a turning clamp and a permanent magnet, the permanent magnet is used for maintaining the magnetic field force on the internal metal components of the bushing when the turning clamp clamps and turns over the bushing.

[0011] As a further implementation manner, the upper side of the feeding plate is provided with an adjusting plate, a countersunk hole for matching the crimping seat is arranged at the center of the adjusting plate, and a plurality of waist-shaped holes are arranged around the countersunk hole.

[0012] As a further implementation manner, the crimping seat comprises a plurality of steps for supporting the bushing and a hollow tube arranged at the center position of the steps.

[0013] As a further implementation manner, the crimping seat comprises a first step, a second step and a third step arranged in sequence from bottom to top, and the sizes of the first step, the second step and the third step are sequentially reduced.

[0014] As a further implementation manner, the crimping sleeve is internally provided with a core setting cone, the core setting cone can be inserted into the hollow tube to make the crimping position of the crimping sleeve concentric with the crimping seat.

[0015] As a further implementation manner, the magnetic attraction overturning mechanism further comprises a connecting hoop plate and a connecting plate, the connecting plate is vertically connected to one end of the connecting hoop plate, and the other end of the connecting hoop plate is fixed with the crimping sleeve; the overturning clamp is installed on the side surface of the connecting plate.

[0016] As a further implementation manner, the overturning clamp comprises a rotating air cylinder, a clamping air cylinder and a clamping plate, the rotating air cylinder is fixed with the connecting plate, and the rotating air cylinder is connected with the clamping air cylinder; the clamping air cylinder connects the two clamping plates to control the opening and closing of the clamping plates.

[0017] As a further implementation manner, the upper side of the clamping air cylinder is provided with a magnetic attraction air cylinder, and the extension end of the magnetic attraction air cylinder is connected with a permanent magnet.

[0018] As a further implementation manner, the extension direction of the piston rod of the clamping air cylinder is perpendicular to the rotation center line of the rotating air cylinder, and the extension direction of the magnetic attraction air cylinder is parallel to the rotation center line of the rotating air cylinder.

[0019] As a further implementation manner, the top of the connecting hoop plate is further connected with a vertical guide rod, the vertical guide rod is matched with the platform plate through a guide sleeve, so that the connecting hoop plate can be lifted and lowered with the crimping sleeve.

[0020] As a further implementation manner, the straight line sliding mechanism comprises a straight line module, and a guide mechanism is arranged on one side of the straight line module.

[0021] The straight line module and the guide mechanism are connected with the feeding plate.

[0022] In a second aspect, the embodiments of the present application further provide a two-way crimping method for a bushing, which adopts the two-way crimping device, and comprises the following steps:

[0023] The bushing is arranged on the crimping seat, the piston rod of the loading cylinder is retracted, the crimping seat carrying the bushing is moved towards the lower side of the vertical crimping mechanism until the crimping seat moves to the lower side of the crimping sleeve; the crimping cylinder drives the crimping sleeve to move downwards, and the crimping operation on one end of the bushing is realized through the butt joint of the crimping sleeve and the crimping seat;

[0024] The piston rod of the crimping cylinder is retracted by a set stroke, so that the crimping sleeve and the crimping seat are out of butt joint state, and the turnover clamp clamps the outer pipe of the bushing with one end crimped; meanwhile, the permanent magnet at the end of the piston rod of the magnetic suction cylinder is extended to keep the magnetic field force on the metal part in the bushing;

[0025] The piston rod of the crimping cylinder continues to retract, the bushing with one end crimped is lifted to completely separate from the crimping seat, and the rotating cylinder drives the clamping cylinder and the clamping plate to drive the bushing to rotate by 180 degrees;

[0026] The permanent magnet at the end of the piston rod of the magnetic suction cylinder is retracted, the permanent magnet releases the magnetic suction force on the metal part in the bushing, the piston rod of the crimping cylinder is extended, and the crimping operation on the other end of the bushing is completed.

[0027] The beneficial effects of the present application are as follows:

[0028] (1) The present application can realize automatic turnover of the bushing through cooperation of the horizontal loading mechanism, the vertical crimping mechanism and the magnetic suction turnover mechanism, and the internal part of the bushing and the outer pipe of the bushing will not be separated in the turnover process, one-time bidirectional crimping of the internal part of the bushing and the outer pipe of the bushing is realized, and the crimping precision and efficiency are ensured.

[0029] (2) The crimping seat of the present application is provided with multiple steps supporting the internal part of the bushing and has a hollow pipe, the crimping sleeve is provided with a core fixing cone cooperating with the hollow pipe, the bushing can be effectively limited in the crimping seat and the crimping sleeve, and the stability of the bushing in the crimping process is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0030] The drawings accompanying the specification of the present application form a part of the present application and serve to provide further understanding of the present application, the illustrative embodiments of the present application and the description thereof serve to explain the present application and do not constitute improper limitations on the present application.

[0031] Figure 1 is a bidirectional crimping equipment structure schematic diagram according to one or more embodiments of the present application;

[0032] Figure 2 is a regulating plate structure schematic diagram according to one or more embodiments of the present application;

[0033] Figure 3 is a crimping seat structure schematic diagram according to one or more embodiments of the present application;

[0034] Figure 4is a schematic view of a crimping sleeve structure according to one or more embodiments of the present application;

[0035] Figure 5 is a schematic view of a magnetic flip mechanism structure according to one or more embodiments of the present application;

[0036] Figure 6 is a schematic view of a composite bushing structure according to one or more embodiments of the present application.

[0037] Wherein, 1, rack; 2, workbench; 3, horizontal feeding mechanism; 4, vertical crimping mechanism; 5, magnetic flip mechanism; 6, bushing;

[0038] 10, column; 11, platform plate; 20, guide rail; 21, sliding block; 22, guide seat; 23, horizontal guide rod; 24, guide block; 30, feeding cylinder; 31, feeding plate; 32, adjusting plate; 32-1, counterbore; 32-2, waist-shaped hole; 33, crimping seat; 33-1, first step; 33-2, second step; 33-3, third step; 33-4, hollow pipe; 40, crimping sleeve; 40-1, core cone; 41, crimping cylinder; 50, connecting hoop plate; 50-1, vertical guide rod; 50-2, guide sleeve; 51, connecting plate; 52, magnetic cylinder; 52-1, permanent magnet; 53, clamping cylinder; 53-1, clamping plate; 54, rotating cylinder; 60, bushing outer tube; 61, bushing inner tube; 62, rubber body; 63, rolling body. DETAILED DESCRIPTION

[0039] Example one:

[0040] In a typical embodiment of the present application, as shown in Figure 1 , a bushing bidirectional crimping device is given.

[0041] Since the traditional bushing crimping device usually needs manual flip, it cannot realize one-time bidirectional crimping of the bushing, and the crimping efficiency and precision are low; based on this, the present embodiment provides a bushing bidirectional crimping device, which can realize automatic flip of the bushing through cooperation of the horizontal feeding mechanism 3, the vertical crimping mechanism 4 and the magnetic flip mechanism 5, and will not cause the internal components of the bushing 6 to be separated from the bushing outer tube 60 during the flip process, thereby ensuring the crimping precision and efficiency.

[0042] Next, the above-mentioned bushing bidirectional crimping device will be described in detail in combination with the drawings.

[0043] As shown in Figure 1As shown, the bushing bidirectional crimping device comprises a rack 1, a workbench 2, a horizontal feeding mechanism 3, a vertical crimping mechanism 4 and a magnetic flip mechanism 5. The workbench 2 is fixed to the top of the rack 1, the horizontal feeding mechanism 3 is installed on the upper surface of the workbench 2, and the vertical crimping mechanism 4 and the magnetic flip mechanism 5 are arranged above the horizontal feeding mechanism 3.

[0044] Specifically, the horizontal feeding mechanism 3 comprises a feeding cylinder 30, a feeding plate 31, a crimping seat 33 and the like. The feeding cylinder 30 can drive the feeding plate 31, the crimping seat 33 and the like to move linearly along the workbench 2. In the embodiment, the linear movement is realized by a linear sliding mechanism comprising a linear module composed of guide rails 20 and sliding blocks 21. Two mutually parallel guide rails 20 are fixed to the upper surface of the workbench 2 at a certain distance, and the sliding blocks 21 are in sliding cooperation with the guide rails 20. The feeding plate 31 is fixed to the top of the sliding blocks 21, and the feeding plate 31 is connected with the piston rod of the feeding cylinder 30.

[0045] The feeding cylinder 30 is also fixedly installed on the upper surface of the workbench 2. The piston rod of the feeding cylinder 30 can be extended and retracted between the two guide rails 20, and the feeding plate 31 is driven by the feeding cylinder 30 to move along the guide rails 20.

[0046] In order to further ensure the stability of the movement of the feeding plate 31 and the components above it, a guide mechanism is connected to one side of the feeding plate 31. The guide mechanism comprises a horizontal guide rod 23, a guide block 24 and a guide seat 22. The axis direction of the horizontal guide rod 23 is parallel to the setting direction of the guide rails 20, and the horizontal guide rod 23 is connected with the workbench 2 through the guide seat 22 at both ends. The guide block 24 is sleeved on the horizontal guide rod 23, and the guide block 24 is fixedly connected with one side of the feeding plate 31. The feeding plate 31 can move along the horizontal guide rod 23 together with the guide block 24.

[0047] In the embodiment, the upper side of the feeding plate 31 is fixed with the crimping seat 33 through an adjusting plate 32. Figure 2 As shown, a countersunk hole 32-1 is arranged at the center position of the adjusting plate 32, a plurality of waist-shaped holes 32-2 are circumferentially distributed around the countersunk hole 32-1, and a fastening bolt is connected with the feeding plate 31 through the waist-shaped hole 32-2, so that the adjusting plate 32 tightly clamps the crimping seat 33 in the countersunk hole 32-1. The crimping seat 33 serves as a carrier of the bushing 6. By arranging the waist-shaped hole 32-2, the relative position between the adjusting plate 32 and the feeding plate 31 can be changed, so as to adjust the position of the crimping seat 33 carrying the bushing 6, so that the bushing 6 corresponds to the vertical crimping mechanism 4 and the magnetic flip mechanism 5, and the crimping operation can be performed.

[0048] The shape of the feeding plate 31 and the adjusting plate 32 can be arbitrarily set, for example, circular, rectangular, etc.

[0049] It can be understood that in other embodiments, the crimping seat 33 can also be placed on the feeding plate 31 through other detachable connection modes, for example, a pressing part is arranged axially on the crimping seat 33, and the feeding plate 31 is connected through the pressing part.

[0050] The vertical crimping mechanism 4 and the magnetic overturning mechanism 5 are installed through a support frame, as shown in the figure, the support frame includes a platform plate 11 and a plurality of vertical columns 10 connected to the bottom of the platform plate 11, and the vertical columns 10 are fixed to the upper surface of the workbench 2. The platform plate 11 and the vertical columns 10 cooperate to mainly play a supporting role, and the shape of the platform plate 11 and the number of the vertical columns 10 can be selected according to actual conditions. Figure 1

[0051] In this embodiment, the platform plate 11 adopts a rectangular plate, and one vertical column 10 is installed at each corner of the platform plate 11, that is, a total of four vertical columns 10 are arranged.

[0052] The vertical crimping mechanism 4 includes a crimping cylinder 41 and a crimping sleeve 40, the crimping cylinder 41 is vertically installed on the top of the platform plate 11, the piston rod of the crimping cylinder 41 is connected to the crimping sleeve 40, and the crimping sleeve 40 is located on the lower side of the platform plate 11.

[0053] As shown in the figure, the magnetic overturning mechanism 5 includes a connecting hoop plate 50, a connecting plate 51, a magnetic cylinder 52, a clamping cylinder 53 and a rotary cylinder 54, the connecting hoop plate 50 is horizontally arranged, the top of the connecting hoop plate 50 is connected to a vertical guide rod 50-1, the vertical guide rod 50-1 is matched with the platform plate 11 through a guide sleeve 50-2, so that the connecting hoop plate 50 can move up and down relative to the platform plate 11 along with the vertical guide rod 50-1. Figure 5 One end of the connecting hoop plate 50 is connected to the connecting plate 51, and the connecting plate 51 is perpendicular to the connecting hoop plate 50, that is, the connecting plate 51 is vertically installed. The cylinder body of the rotary cylinder 54 is fixed to the outer side of the connecting plate 51, wherein, in this embodiment, the side of the connecting plate 51 facing the connecting hoop plate 50 is the inner side, and the other side is the outer side; the rotary output end of the rotary cylinder 54 penetrates through the connecting plate 51 and is connected to the cylinder body of the clamping cylinder 53.

[0054] The piston rod of the clamping cylinder 53 is perpendicular to the center line of the rotary cylinder 54, the clamping cylinder 53 is connected to two symmetrical clamping plates 53-1, the opening and closing between the two clamping plates 53-1 is realized through the clamping cylinder 53, and the overturning of the clamping plates 53-1 is realized through the rotary cylinder 54. The clamping plate 53-1, the clamping cylinder 53 and the rotary cylinder 54 constitute an overturning clamp.

[0055]

[0056] ​​A magnetic suction cylinder 52 is provided on the upper side of the clamping cylinder 53, and the cylinder body of the magnetic suction cylinder 52 is fixedly connected to the cylinder body of the clamping cylinder 53. A permanent magnet 52-1 is connected to the piston rod end of the magnetic suction cylinder 52. The extension and retraction direction of the magnetic suction cylinder 52 is parallel to the rotation center line of the rotary cylinder 54. The permanent magnet 52-1 can maintain a magnetic field force on the metal parts inside the bushing 6 when the bushing 6 is flipped.

[0057] The other end of the connecting clamp plate 50 is fixed to the crimp sleeve 40, and the crimp sleeve 40 is located on the upper side of the connecting clamp plate 50, such as... Figure 5 As shown, the connecting hoop 50 has a through hole for the end of the crimp sleeve 40 to extend out, so that the bottom end of the crimp sleeve 40 extends out a certain length, and the internal cavity of the crimp sleeve 40 passes through the connecting hoop 50.

[0058] In this embodiment, the horizontal feeding mechanism 3 aligns the crimping seat 33 with the crimping sleeve 40. To ensure that the crimping sleeve 40 and the crimping seat 33 are aligned, thereby ensuring a better crimping effect, the crimping seat 33 and the crimping sleeve 40 are structurally designed as follows:

[0059] like Figure 3 As shown, the crimping seat 33 includes several steps for supporting the bushing 6 and a hollow tube 33-4 located at the center of the steps. The hollow tube 33-4 can support the inner tube 61 of the bushing. The step size decreases from bottom to top to limit the components in the bushing 6.

[0060] The crimp sleeve 40 has an overall cylindrical structure, such as Figure 4 As shown, to accommodate the hollow tube 33-4 of the crimping seat 33, the crimping sleeve 40 has a centering cone 40-1 inside. During crimping, the centering cone 40-1 is inserted into the hollow tube 33-4 of the crimping seat 33 to ensure that the crimping position of the crimping sleeve 40 is concentric with the crimping seat 33, thus guaranteeing crimping accuracy. Furthermore, the bottom step of the crimping seat 33 is engaged through a countersunk hole 32-1, allowing the crimping seat 33 to be replaced according to different bushing sizes, improving equipment versatility.

[0061] In this embodiment, the core-fixing cone 40-1 has a conical tip that can be inserted into the circular hole of the hollow tube 33-4, and its main body is a cylinder.

[0062] In this embodiment, when the crimping device is in operation, the bushing is first placed on the crimping seat 33. The piston rod of the feeding cylinder 30 retracts, causing the feeding plate 31 and the adjusting plate 32 to move the crimping seat 33 downwards along the vertical crimping mechanism 4 until the crimping seat 33 is directly below the crimping sleeve 40. The crimping cylinder 4 then drives the crimping sleeve 40 downwards. Simultaneously, the crimping sleeve 40 and the crimping seat 33 are concentrically positioned, and the crimping operation on one end of the bushing 6 is achieved through the mating of the crimping sleeve 40 and the crimping seat 33.

[0063] The piston rod of the crimping cylinder 41 retracts a certain stroke, causing the crimping sleeve 40 and the crimping seat 33 to disengage. The clamping cylinder 53 in the magnetic attraction flipping mechanism 5 drives the two clamping plates 53-1 to clamp the outer bushing tube 60 with one end crimped. The piston rod of the magnetic attraction cylinder 52 extends, causing the permanent magnet 52-1 to maintain a magnetic field force on the metal parts inside the outer bushing tube 60.

[0064] The piston rod of the crimping cylinder 41 continues to retract, and the bushing 6, which has been crimped at one end, is lifted to be completely detached from the crimping seat 33 through the connecting plate 50, connecting plate 51, magnetic suction cylinder 52, clamping cylinder 53 and rotating cylinder 54; the bushing 6 is rotated 180° under the action of the rotating cylinder 54.

[0065] The piston rod of the magnetic suction cylinder 52 retracts, causing the permanent magnet 52-1 to release the magnetic attraction force on the metal parts inside the bushing outer tube 60; the piston rod of the pressing cylinder 4 extends until the pressing operation of the other end of the bushing 6 is completed.

[0066] In this embodiment, the pressing seat 33 cooperates with the pressing sleeve 40 to effectively restrict the bushing 6, and a magnetic flipping mechanism 5 is set up to flip the bushing 6 while ensuring that the internal components do not detach from the outer tube 60 of the bushing, thereby realizing bidirectional pressing of the bushing 6 and ensuring pressing efficiency and pressing accuracy.

[0067] Example 2:

[0068] This embodiment provides a bidirectional bushing crimping device, which is suitable for crimping composite bushings, such as... Figure 6 As shown, the composite bushing includes an inner bushing tube 61, an outer bushing tube 60, a rubber body 62, and a rolling element 63. The rubber body 62 is coaxially fixed to the outside of the inner bushing tube 61. The rolling elements 63 are sleeved on both ends of the inner bushing tube 61. The outer bushing tube 60 is provided on the outside of the rolling elements 63 and the rubber body 62.

[0069] For the aforementioned composite bushing, such as Figure 3 As shown, the crimping seat 33 has three steps, and the steps are disc-shaped, according to... Figure 3 In the view, the first step 33-1, the second step 33-2, and the third step 33-3 are arranged sequentially from bottom to top, with the diameter of each step decreasing sequentially. The hollow tube 33-4 is located above the third step 33-3. Through the three steps and the hollow tube 33-4 located in the center, the crimping seat 33 is adapted to the composite bushing.

[0070] The remaining structure is the same as in Embodiment 1, and will not be described again here.

[0071] Example 3:

[0072] This embodiment provides a bidirectional pressing method for bushings, taking a composite bushing as an example for detailed explanation:

[0073] Step S1: First, one of the rolling bodies 63 is sleeved on the hollow tube 33-4, and the rolling body 63 is in contact with the third step 33-3, then the bushing inner tube 61 fixed with the rubber body 62 is sleeved on the hollow tube 33-4, and the bushing inner tube 61 is inserted into the inner ring of the rolling body 63, and then the inner ring of the other rolling body 63 is sleeved on the other end of the bushing inner tube 61; then the bushing outer tube 60 is sleeved on the outside of the rubber body 62 and the rolling body 63, and the lower end of the bushing outer tube 60 is in contact with the second step 33-2.

[0074] Step S2: Start the feeding cylinder 30 in the horizontal feeding mechanism 3, the piston rod of the feeding cylinder 30 retracts, and the crimping seat 33 is driven by the feeding plate 31 and the adjusting plate 32 to move towards the end close to the vertical crimping mechanism 4 until the crimping seat 33 moves to the position directly below the crimping sleeve 40.

[0075] Step S3: The piston rod of the crimping cylinder 40 extends to drive the crimping sleeve 40 to move downward, first the center core cone 40-1 of the crimping sleeve 40 is inserted into the circular hole in the center of the hollow tube 33-4 of the crimping seat 33 to ensure that the crimping position of the crimping sleeve 40 is concentric with the crimping seat 33, and then the crimping seat 33 presses the upper end of the bushing outer tube 60 to precisely fit the outer ring of the rolling body 63.

[0076] Step S4: The piston rod of the crimping cylinder 40 retracts by one stroke S1 to drive the crimping sleeve 40 to move upward, so that the crimping sleeve 40 and the center core cone 40-1 therein completely separate from the crimping seat 33.

[0077] Step S5: The clamping cylinder 53 in the magnetic attraction overturning mechanism 5 drives the two clamping plates 53-1 to clamp the bushing outer tube 60 in the composite bushing with one end crimped in step S3.

[0078] Step S6: The piston rod of the magnetic attraction cylinder 52 in the magnetic attraction overturning mechanism 5 extends to drive the permanent magnet 52-1 to move above the composite bushing with one end crimped in step S3, at the same time, the magnetic attraction cylinder 52 drives the permanent magnet 52-1 at the end of its piston rod to extend to maintain the magnetic field force on the two rolling bodies 63 in the bushing 6.

[0079] Step S7: The piston rod of the crimping cylinder 40 retracts by another stroke S2 to lift the composite bushing with one end crimped to separate from the crimping seat 33 through the connecting hoop plate 50, the connecting plate 51, the magnetic attraction cylinder 52, the clamping cylinder 53 and the rotating cylinder 54.

[0080] Step S8: The rotating cylinder 54 in the magnetic attraction overturning mechanism 5 drives the composite bushing with one end crimped to rotate 180° through the magnetic attraction cylinder 52 and the clamping cylinder 53.

[0081] Step S9: the piston rod of the magnetic suction cylinder 52 retracts, taking the permanent magnet 52-1 with it, and the magnetic field force of the permanent magnet 52-1 on the two rolling bodies 63 is removed.

[0082] Step S10: the piston rod of the crimping cylinder 40 extends by one stroke S2 until the one-end crimping completes the rotation of 180° of the composite bushing to be sleeved on the hollow pipe 33-4.

[0083] Step S11: the piston rod of the crimping cylinder 40 extends by one stroke S1, taking the crimping sleeve 40 to move downward, first the center core cone 40-1 of the crimping sleeve 40 is inserted into the circular hole in the center of the hollow pipe 33-4 to ensure that the crimping position of the crimping sleeve 40 is concentric with the crimping seat 33, and then the crimping seat 33 presses the lower end of the bushing outer pipe 60 to be precisely fitted with the outer ring of the rolling body 63; the bidirectional crimping of the composite bushing is completed.

[0084] The embodiment can realize one-time bidirectional crimping of the composite bushing, does not need to be manually turned over, and has high crimping efficiency; and when automatically turned over, the rolling body 63 and the bushing outer pipe 60 will not be separated, and the crimping precision is high.

[0085] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A bushing bidirectional crimping device, characterized in that, include: The workbench is equipped with a linear sliding mechanism. A horizontal feeding mechanism includes a feeding plate connected to the upper side of a linear sliding mechanism. The feeding plate is detachably connected to a pressing seat and is also connected to a feeding cylinder. The pressing seat is used to support the bushing. A vertical pressing mechanism, located above a linear sliding mechanism, includes a pressing cylinder and a pressing sleeve connected to the pressing cylinder. The pressing sleeve can press the bushing when aligned with the pressing seat. A magnetic flipping mechanism, located on one side of the vertical pressing mechanism, includes a flipping clamp and a permanent magnet. The permanent magnet is used to maintain a magnetic force on the metal components inside the bushing when the flipping clamp holds and flips the bushing. The magnetic flipping mechanism also includes a connecting plate and a connecting plate. The connecting plate is vertically connected to one end of the connecting plate, and the other end of the connecting plate is fixed to the pressing sleeve. The flipping clamp is installed on the side of the connecting plate. The flipping clamp includes a rotary cylinder, a clamping cylinder, and a clamping plate. The rotary cylinder is fixed to the connecting plate and connected to the clamping cylinder. The clamping cylinder connects the two clamping plates to control the opening and closing of the clamping plates. A magnetic suction cylinder is provided on the upper side of the clamping cylinder, and the telescopic end of the magnetic suction cylinder is connected to the permanent magnet.

2. The bushing bidirectional crimping device according to claim 1, characterized in that, An adjustment plate is provided on the upper side of the feeding plate. A countersunk hole for fitting the pressing seat is opened in the center of the adjustment plate. Multiple waist-shaped holes are provided around the countersunk hole.

3. A bushing bidirectional crimping device according to claim 1 or 2, characterized in that, The crimping seat includes several steps for supporting the bushing and a hollow tube located at the center of the steps.

4. The bushing bidirectional crimping device according to claim 3, characterized in that, The crimping seat includes a first step, a second step, and a third step arranged sequentially from bottom to top, and the dimensions of each first step, second step, and third step decrease sequentially.

5. The bushing bidirectional crimping device according to claim 3, characterized in that, The crimping sleeve has a core-fixing cone inside, which can be inserted into a hollow tube to make the crimping position of the crimping sleeve concentric with the crimping seat.

6. The bushing bidirectional crimping device according to claim 1, characterized in that, The extension and retraction direction of the piston rod of the clamping cylinder is perpendicular to the rotation center line of the rotary cylinder, while the extension and retraction direction of the magnetic suction cylinder is parallel to the rotation center line of the rotary cylinder.

7. The bushing bidirectional crimping device according to claim 1, characterized in that, The top of the connecting hoop plate is also connected to a vertical guide rod, which cooperates with the platform plate through a guide sleeve so that the connecting hoop plate can rise and fall with the pressing sleeve.

8. The bushing bidirectional crimping device according to claim 1, characterized in that, The linear sliding mechanism includes a linear module, and a guide mechanism is provided on one side of the linear module; Both the linear module and the guiding mechanism are connected to the feeding plate.

9. A method for bidirectional crimping of bushings, characterized in that, The bidirectional crimping device as described in any one of claims 1-8 includes: The bushing is placed on the crimping seat, and the piston rod of the feeding cylinder retracts, causing the crimping seat carrying the bushing to move downward toward the vertical crimping mechanism until the crimping seat moves directly below the crimping sleeve; the crimping cylinder drives the crimping sleeve to move downward, and the crimping operation of one end of the bushing is achieved by the crimping sleeve and the crimping seat docking. The piston rod of the crimping cylinder retracts by a set stroke, disengaging the crimping sleeve and crimping seat from their docking state. The flipping fixture then clamps the outer tube of the bushing that has been crimped at one end. At the same time, the magnetic cylinder extends with the permanent magnet at the end of its piston rod to maintain a magnetic field on the metal parts inside the bushing. The piston rod of the crimping cylinder continues to retract, lifting the bushing with one end crimped completely off the crimping seat. The rotary cylinder, along with the clamping cylinder and clamping plate, drives the bushing to rotate 180°. The magnetic cylinder retracts with the permanent magnet at the end of its piston rod. The permanent magnet releases the magnetic attraction to the metal parts inside the bushing, and the piston rod of the pressing cylinder extends until the pressing operation on the other end of the bushing is completed.

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