Press fitting device for bearings at two ends of workpiece
By designing an automated bearing press-fitting device, the automatic positioning and precise press-fitting of bearings are achieved using guide pins and support tables, solving the problems of low efficiency and poor accuracy of manual operation in existing technologies, and improving press-fitting efficiency and product quality.
Patent Information
- Application Number
- CN202422900280.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Existing bearing press-fitting equipment requires manual operation, resulting in low efficiency, poor accuracy, and a tendency to misalignment, which affects product quality.
An automated pressing device was designed, comprising a guide plate, a cross plate, a push cylinder, and a press cylinder. The device achieves automatic positioning and precise pressing of bearings through guide pins and support platforms, and realizes automated control by combining sensors and drive components, ensuring the rapid and accurate installation of bearings at both ends of the workpiece.
It improved the efficiency and precision of bearing press-fitting, reduced the workload of operators, and ensured the concentricity of products and production quality.
Smart Images
Figure CN223684804U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a press fitting device, in particular to a workpiece two-end bearing press fitting device. BACKGROUND
[0002] Bearing is an important part in mechanical equipment, generally used for connecting mechanical rotating body and shell, its main function is to support mechanical rotating body, reduce friction coefficient in movement process, and ensure the rotation accuracy of mechanical rotating body relative to shell.
[0003] The stator of conventional outer rotor motor needs to be installed with bearing at both ends, and the bearing is connected with the stator through interference fit, so it needs to be matched and press fitted through a press fitting device, but the conventional bearing press fitting device generally uses a hydraulic machine for single stamping treatment, and the workpiece and the bearing are placed by the operator manually, which not only needs to be placed multiple times, increases the working strength of the operator, consumes time and effort, and has low processing efficiency, but also is prone to stamping deviation due to deviation of the placement position, poor press fitting precision, and affects the concentricity of the rotating shaft after subsequent installation, reduces the product production quality, SUMMARY
[0004] The utility model mainly solves the technical problems existing in the prior art, and provides a workpiece two-end bearing press fitting device which can automatically press fitting processing of products, effectively guarantees the press fitting precision and press fitting efficiency of products, and improves the press fitting convenience of products.
[0005] The utility model relates to a workpiece two-end bearing press fitting device, including bottom plate, and the guide plate and the transverse plate connected in the top of bottom plate, and the second push cylinder and the pressure cylinder connected with the bottom plate in the side of transverse plate, the top of guide plate is connected with the vertical cylinder for placing bearing, the side of vertical cylinder is provided with the first push cylinder connected with guide plate for pushing out bearing, the top of the side away from first push cylinder of guide plate is connected with the hole of falling, the central sliding of transverse plate is provided with the material table, the top of material table is connected with the support table, the central connection of support table has the guide needle, the side of transverse plate is connected with the driving element for driving material table to shift, the piston rod of second push cylinder is connected with the jacking rod, and the jacking rod is located directly below the hole of falling, the piston rod of pressure cylinder is connected with the pressure rod.
[0006] As preferred, the top of the transverse plate is slidably connected with a sliding block, the material table is connected above the sliding block, the first and second sensors are respectively connected to the two sides of the transverse plate, the sliding block is connected with a lever on the side of the first and second sensors, the position of the sliding block on the transverse plate is understood by the lever being located at the first or second sensor, and the position of the sliding block on the transverse plate is controlled accordingly, and the first and second sensors can be travel switches.
[0007] As preferred, the first sensor is located on one side of the second push cylinder, the second sensor is located on one side of the pressing cylinder, and the first sensor, the second sensor, the first push cylinder, the second push cylinder, the pressing cylinder and the driving element are electrically connected, the driving element controls the slider to stop directly below the second push cylinder through the first sensor, the driving element controls the slider to stop directly below the pressing cylinder through the second sensor, and the first push cylinder, the second push cylinder and the pressing cylinder are sequentially operated.
[0008] As preferred, the upper side of the horizontal plate is connected with a sliding rail, the lower side of the slider is provided with a sliding groove matched with the sliding rail, and the driving element is in transmission connection with the slider, so that the slider can be in sliding connection with the center of the horizontal plate through the cooperation of the sliding groove and the sliding rail.
[0009] As preferred, the driving element is a motor, the center of the horizontal plate is movably connected with a lead screw, a gear box is connected between the lead screw and the driving element, and fixed seats connected with the bottom plate are movably connected to the two ends of the lead screw. The lead screw penetrates the slider and is in threaded connection with the slider, so that the motor drives the rotation of the lead screw to further drive the slider to slide on the upper side of the horizontal plate, and the fixed seats at the two ends of the lead screw can support the horizontal plate and the lead screw. The driving element can also be a motor directly driving the slider to move or a cylinder directly driving the slider to slide.
[0010] As preferred, the center of the guide plate is provided with a horizontal groove, the push plate is connected to the piston rod of the first push cylinder, and the push plate is located in the horizontal groove and below the vertical cylinder, so that the bearing in the vertical cylinder can be guided into the horizontal groove, and the bearing below the vertical cylinder is pushed out of the vertical cylinder by the push plate driven by the first push cylinder.
[0011] As preferred, the side away from the first push cylinder of the guide plate is provided with a through hole for guiding the needle to pass through, and the center of the ejector rod is provided with a needle hole. Through the arrangement of the through hole, the guide needle on the material table can pass through the through hole and enter below the falling hole, so that the bearing in the falling hole can fall directly above the support table along the guide needle. The arrangement of the needle hole in the center of the ejector rod allows the guide needle to be embedded in the ejector rod when the ejector rod is pressed down, so as to position the bearing by the ejector rod and avoid the bearing falling into the guide needle from tilting.
[0012] As preferred, the center of the guide plate is connected with a clamping block, the center of the clamping block is provided with a recess, and the vertical cylinder is connected in the center of the recess, so that the vertical cylinder can be fixed in the recess in the center of the clamping block, thereby fixing the vertical cylinder above the guide plate and facilitating the bearing falling in the vertical cylinder to automatically enter the horizontal groove.
[0013] Preferably, the second pushing cylinder and the pressing cylinder are connected with supports below, the guide plate is connected with a stand below, and the transverse plate is connected with supports on both sides, so that the second pushing cylinder and the pressing cylinder can be supported and fixed by the supports, the guide plate can be limited and fixed by the stand, and the transverse plate can be connected and fixed by the supports.
[0014] The utility model discloses a beneficial effect is: because the vertical cylinder is connected on the guide plate top, the guide plate side is provided with the first pushing cylinder for pushing out the bearing in the vertical cylinder, and the upper side of the guide plate far from the first pushing cylinder is connected with the drop hole, and the transverse plate is connected with the second pushing cylinder and the pressing cylinder on the side, and the central sliding of transverse plate is provided with the material table, and the upper side of material table is connected with the support table, and the central connection of support table has the guide needle, and the bearing in the vertical cylinder is pushed to the drop hole by the first pushing cylinder and falls on the upper side of support table along the guide needle, and then the bearing is laid flat by the second pushing cylinder, avoids the bearing in the guide needle central inclination deviation, and then the workpiece is put into the upper side of material table, and the bearing is pushed to the upper side of workpiece by the first pushing cylinder again, so that the upper side and the lower side of workpiece can be placed with the bearing quickly, and then the bearing is pressed into the workpiece by the pressing cylinder, effectively improves the pressing efficiency of the bearing of workpiece both ends, changes the work tediousness and labor intensity that the bearing and workpiece need to be placed separately by hand in conventional pressing, greatly speeds up the production convenience of workpiece pressing bearing, and through the setting of guide needle, support table and second pushing cylinder, the bearing can be accurately punched into the workpiece, avoids the pressing deviation of the bearing in the inclined state, effectively guarantees the concentricity of the bearing after pressing and the subsequent production quality of product. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0016] Fig. 1 It is the whole structure schematic diagram of the utility model kind of workpiece both end bearing pressing device;
[0017] Fig. 2 It is the connection structure schematic diagram of the utility model kind of workpiece both end bearing pressing device middle transverse plate and material table;
[0018] Fig. 3 It is the connection structure schematic diagram of the utility model kind of workpiece both end bearing pressing device middle guide plate and first pushing cylinder. DETAILED DESCRIPTION
[0019] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.
[0020] As Figs. 1 to 3 The utility model relates to a workpiece both ends bearing press device, including bottom plate 1, and the guide plate 2 with the crossbeam 3 connected in bottom plate 1 top, and the second push cylinder 5 with the press cylinder 4 located in the side of crossbeam 3 and the bottom plate 1 is connected, the top of guide plate 2 is connected with the vertical cylinder 21 for placing bearing, and the side of vertical cylinder 1 is provided with the first push cylinder 22 for pushing out bearing and is connected with guide plate 2, the top of the side of guide plate 2 away from the first push cylinder 22 is communicated with the drop hole 231, the central sliding of crossbeam 3 is provided with the material table 33, the top of material table 33 is connected with the support table 331, and the central connection of support table 331 has guide needle 332, and the side of crossbeam 3 is connected with the driving element 31 for driving material table 33 to shift, the piston rod of second push cylinder 5 is connected with the jib 51, and the jib 51 is located directly below drop hole 231, and the piston rod of press cylinder 4 is connected with the press bar 41.
[0021] The top of crossbeam 3 is slidably connected with sliding block 32, the material table 33 is connected above the sliding block 32, the two sides of crossbeam 3 are connected with first inductor 35 and second inductor 36 respectively, the side of sliding block 32 is connected with the lever 321 matched with first inductor 35 and second inductor 36, the position of sliding block 32 on crossbeam 3 is understood by the position of lever 321 on first inductor 35 or second inductor 36, and the position of sliding block 32 on crossbeam 3 is controlled accordingly, first inductor 35 and second inductor 36 can be travel switch.
[0022] First inductor 35 is located on one side of second push cylinder 5, second inductor 36 is located on one side of press cylinder 4, and first inductor 35, second inductor 36, first push cylinder 22, second push cylinder 5, press cylinder 4 and driving element 31 are electrically connected, first inductor 35 controls driving element 31 to stop directly below second push cylinder 5, second inductor 36 controls driving element 31 to stop directly below press cylinder 4, and first push cylinder 22, second push cylinder 5 and press cylinder 4 are sequentially operated.
[0023] The top of crossbeam 3 is connected with slide rail 34, the lower side of sliding block 32 is provided with sliding groove (not marked) matched with slide rail 34, and driving element 31 and sliding block 32 are transmissionally connected, so that sliding block 32 can be slidably connected in the center of crossbeam 3 through the cooperation of sliding groove and slide rail 34.
[0024] The driving element 31 is a motor, the central of the horizontal plate 3 is movably connected with a lead screw (not labeled), the lead screw is connected with the driving element 31 through a gear box (not labeled), the both ends of the lead screw are movably connected with the fixed seat 37 connected with the bottom plate 1, the lead screw penetrates through the sliding block 32 and is threadedly connected with the sliding block 32, so that the motor drives the rotation of the lead screw and further drives the sliding block 32 to slide above the horizontal plate 3, and the fixed seat 37 at both ends of the lead screw can support the horizontal plate 3 and the lead screw, the driving element 31 can also directly drive the sliding block 32 to move the lead screw motor or directly drive the sliding block 32 to slide the air cylinder.
[0025] The central of the guide plate 2 is provided with a horizontal groove 23, the piston rod of the first push cylinder 22 is connected with a push plate 221, the push plate 221 is located in the horizontal groove 23 and is arranged below the vertical cylinder 21, so that the bearing in the vertical cylinder 21 can be guided into the horizontal groove 23, and the bearing below the vertical cylinder 21 is pushed out of the vertical cylinder 21 by the push plate 221 driven by the first push cylinder 22.
[0026] The side away from the first push cylinder 22 of the guide plate 2 is provided with a through hole 232 for guiding the needle 332 to pass through, the central of the top rod 51 is provided with a needle hole (not labeled), the needle 332 on the material table 33 can pass through the through hole 232 and enter below the drop hole 231 through the arrangement of the through hole 232, so that the bearing in the drop hole 231 can fall directly above the support table 331 along the needle 332, and the needle hole in the central of the top rod 51 is arranged so that the needle 332 is embedded in the top rod 51 when the top rod 51 is pressed down, so as to position the bearing by the top rod 51, avoiding the bearing falling into the needle 332 from being inclined.
[0027] The central of the guide plate 2 above is connected with a clamping block 24, the central of the clamping block 24 is provided with a groove 241, the vertical cylinder 21 is connected in the central of the groove 241, so that the vertical cylinder 21 can be positionally fixed in the groove 241 in the central of the clamping block 24, so as to fix the vertical cylinder 21 above the guide plate 2, and facilitate the bearing falling in the vertical cylinder 21 to automatically enter the horizontal groove 23.
[0028] The lower sides of the second push cylinder 5 and the pressing cylinder 4 are both connected with a support 12, the lower side of the guide plate 2 is connected with a stand 11, and the both sides of the horizontal plate 3 are connected with a support 13, so that the second push cylinder 5 and the pressing cylinder 4 can be supported and fixed through the support 12, the guide plate 2 can be positionally fixed through the stand 11, and the horizontal plate 3 can be connected and fixed through the support 13.
[0029] The workpiece two-end bearing press-fitting device temporarily stores the bearing in the vertical cylinder 21, drives the slider 32 to move to the second push cylinder 5 through the driving element 31, moves the guide plate 2 to one side of the falling hole 231 through the slider 32, and limits the stop position of the slider 32 through the cooperation of the push rod 321 and the first inductor 35, so that the guide needle 332 passes through the through hole 232 and is located directly below the falling hole 231; then the first push cylinder 22 drives the push plate 221 to push the bearing in the vertical cylinder 21 into the falling hole 231 and resets, so that the bearing automatically falls into the guide needle 332; then the second push cylinder 5 drives the ejector rod 51 to descend and reset, pushes the bearing in the guide needle 332, so that the bearing can be placed on the support table 331; then the driving element 31 drives the slider 32 to move away from the guide plate 2 again, so that the operator can place the workpiece above the material table 33, and then drive the slider 32 to move towards the vertical cylinder 21 again, so that the first push cylinder 22 pushes the bearing to fall through the falling hole 231 and above the workpiece again; finally, the driving element 31 drives the slider 32 to move towards the side of the press cylinder 4, so that the workpiece on the material table is stopped directly below the press rod 41 through the cooperation of the push rod 321 and the first inductor 35, and the press rod 41 drives the press cylinder 4 to press-fit the workpiece and the bearings at the upper and lower ends of the workpiece.
[0030] The driving element 31 can be a motor or a pneumatic cylinder, wherein the motor can be a general motor or a servo motor, when the servo motor is adopted, the slider 32 can be directly driven and controlled to stop at the corresponding position in the center of the horizontal plate 3, without the need for detection control of the stroke switch of the push rod 321, the first inductor 35 and the second inductor 36.
[0031] The utility model discloses a beneficial effect is: because vertical cylinder connects above guide plate, and the first push cylinder for pushing out the bearing in the vertical cylinder is arranged in the side of guide plate, and the upper side of the side of guide plate away from the first push cylinder is connected with the falling hole, and the side of horizontal plate is connected with the second push cylinder and the press cylinder, and the central sliding of horizontal plate is provided with material table, and the upper side of material table is connected with support table, and the central connection of support table is provided with guide needle, make the bearing in the vertical cylinder push to the falling hole through the first push cylinder and fall to the upper side of support table along guide needle, then make the bearing lie flat through the second push cylinder, avoid the bearing in the central inclination deviation of guide needle, then again put the workpiece into the upper side of material table, make the first push cylinder again push the bearing to the upper side of workpiece, so that the upper and lower sides of workpiece can be placed with bearing quickly, and then the press cylinder can press-fit the bearing into workpiece once, effectively improve the press-fitting efficiency of the workpiece two-end bearing, change the work tedious and labor intensity that the workpiece and the workpiece needed are placed separately in the conventional press-fitting, greatly speed up the production convenience of workpiece press-fitting bearing, and through the setting of guide needle, support table and second push cylinder, the bearing can be accurately punched into workpiece, avoid the press-fitting deviation that appears when the bearing is placed inclined, effectively guarantee the concentricity of bearing press-fitting and the subsequent production quality of product.
[0032] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any change or replacement not through creative labor should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be limited by the protection scope defined in the claims.
Claims
1. A device for press fitting bearings at both ends of a workpiece, characterized by: The device includes a base plate, a guide plate and a cross plate connected above the base plate, and a second push cylinder and a pressure cylinder connected to the base plate on the side of the cross plate. A vertical cylinder for placing bearings is connected above the guide plate. A first push cylinder for pushing out bearings is provided on the side of the vertical cylinder and connected to the guide plate. A drop hole is connected above the side of the guide plate away from the first push cylinder. A material platform is slidably arranged in the center of the cross plate. A support platform is connected above the material platform. A guide pin is connected in the center of the support platform. A driving element for moving the material platform is connected to the side of the cross plate. A push rod is connected to the piston rod of the second push cylinder, and the push rod is located directly below the drop hole. A pressure rod is connected to the piston rod of the pressure cylinder.
2. The device according to claim 1, wherein: A slider is slidably connected above the horizontal plate, and the material platform is connected above the slider. A first sensor and a second sensor are respectively connected to both sides of the horizontal plate, and a lever that cooperates with the first sensor and the second sensor is connected to the side of the slider.
3. The device according to claim 2, wherein: The first sensor is located on one side of the second push cylinder, the second sensor is located on one side of the pressure cylinder, and the first sensor, the second sensor, the first push cylinder, the second push cylinder, the pressure cylinder and the drive element are electrically connected.
4. The device according to claim 3, wherein: A slide rail is connected above the horizontal plate, and a slide groove that cooperates with the slide rail is provided below the slider. The driving element is connected to the slider through a transmission.
5. The device according to claim 4, wherein: The driving element is a motor. A lead screw is movably connected to the center of the horizontal plate. A gearbox is connected between the lead screw and the driving element. Fixed seats connected to the base plate are movably connected to both ends of the lead screw. The lead screw passes through the slider and is threadedly connected to the slider.
6. The device of claim 1, wherein: A horizontal groove is provided in the center of the guide plate, and a push plate is connected to the piston rod of the first push cylinder. The push plate is located in the horizontal groove and is positioned below the vertical cylinder.
7. The device of claim 6, wherein: The guide plate has a through hole on the side away from the first push cylinder for the guide needle to pass through, and the push rod has a needle hole in the center.
8. The device of claim 6, wherein: A clamping block is connected to the center above the guide plate, and a groove is provided in the center of the clamping block. The vertical cylinder is connected to the center of the groove.
9. The device of claim 1, wherein: The second push cylinder and the pressure cylinder are both connected to a bracket below, the guide plate is connected to a vertical frame below, and the horizontal plate is connected to supports on both sides.