Bearing needle press fitting machine

Abstract

The application relates to the field of needle bearings, in particular to a bearing needle press-fitting machine which comprises a base, a machining table and a fixing mechanism, a buffer mechanism is arranged at the middle end of the top of the base, the buffer mechanism comprises a buffer box, the buffer box is fixedly connected to the middle end of the top of the base, a portal frame is fixedly connected to the top of the base and located at the outer side of the buffer mechanism, and a gas cylinder is fixedly connected to the top of the portal frame. The bearing needle press-fitting machine can slow down the downward pressure brought by a press head, can bring a buffering effect to a machined workpiece, can avoid the situation that the pressure is transmitted to other parts of the workpiece, can easily cause the workpiece to deform under the action of the downward pressure, the fixing mechanism can be used for fixing the machined workpiece, can avoid the workpiece from being deviated in the process that the press head is used for press-fitting, can influence the machining effect, and then the production quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of needle bearing, in particular to a bearing needle press fitting machine. BACKGROUND

[0002] The needle bearing is a roller bearing with cylindrical rollers, the rollers are thin and long relative to their diameter, such rollers are called needles, and the bearing has a high load carrying capacity despite its small cross section, the needle bearing is provided with thin and long rollers, so that the radial structure is compact, and the inner diameter size and load capacity are the same as those of other types of bearings, and the outer diameter is the smallest, which is particularly suitable for supporting structures with limited radial installation size.

[0003] In mechanical assembly technology, the press fitting of the bearing is to place the product on the bearing platform, and then place the bearing at the product device bearing, and finally press the bearing into the product device bearing through the press-in body.

[0004] However, the existing bearing needle press fitting machine directly places the bearing in the bearing mounting hole of the workpiece by manual operation, and due to the lack of corresponding positioning structure, the bearing is easy to be placed off center, resulting in installation failure, at the same time, the pressure head of the press fitting machine directly applies pressure to the bearing, and the pressure is transmitted to other parts of the workpiece, which is easy to cause the workpiece to deform under the action of the pressure, and the bearing is also easy to be inclined and not pressed in place during the press fitting process, thereby affecting the qualified rate of product processing.

[0005] Therefore, we propose a bearing needle press fitting machine to solve the above problems. SUMMARY

[0006] The purpose of the present application is to provide a bearing needle press fitting machine to solve the problems of easy deviation of the bearing and inclination of the bearing as described in the background.

[0007] To achieve the above purpose, the present application provides the following technical scheme:

[0008] A bearing needle press fitting machine, comprising: a base, a machining table and a fixing mechanism, a buffer mechanism is arranged at the middle end of the top of the base, the buffer mechanism comprises a buffer box, the buffer box is fixedly connected to the middle end of the top of the base, a gantry is fixedly connected to the top of the base and located outside the buffer mechanism, a gas cylinder is fixedly connected to the top of the gantry, a pressure head is fixedly connected to the bottom of the gas cylinder, and the fixing mechanism comprises a toothed plate and a threaded sleeve.

[0009] The left and right sides of the bottom of the buffer box cavity are fixedly connected with fixed blocks, the inner side of the fixed block is fixedly connected with a light rod, the left and right sides of the outer surface of the light rod are movably connected with a sliding sleeve, the top of the fixed block is fixedly connected with a damping shock absorber, the outer surface of the damping shock absorber is sleeved with a damping spring, the top of the damping shock absorber is fixedly connected with a movable plate, the left and right sides of the bottom of the movable plate are movably connected with an elastic connecting rod through a rotating shaft, and the bottom of the elastic connecting rod is movably connected to the top of the sliding sleeve through a rotating shaft, the left and right sides of the top of the movable plate are fixedly connected with a support rod, and the machining table is fixedly connected to the top of the support rod.

[0010] In further embodiments, the tooth plate is fixedly connected to the outer side of the convex rod, the left and right sides of the machining table are fixedly connected with an L-shaped plate, the inner side of the tooth plate is engaged with a driving gear, the inner surface of the driving gear is fixedly connected with a rotating shaft, and the rotating shaft is movably connected to the front side of the L-shaped plate through a bearing, the front side of the L-shaped plate is fixedly connected with a fixed plate, the inner surface of the fixed plate is movably connected with a light shaft through a bearing, the inner side of the light shaft is fixedly connected with a threaded rod, a threaded sleeve is threadedly connected to the outer surface of the threaded rod, the front and rear sides of the threaded sleeve are fixedly connected with an L-shaped rod, and the inner side of the L-shaped rod is fixedly connected with an elastic clamping block.

[0011] In further embodiments, the left and right sides of the top of the machining table are provided with sliding grooves, the bottom of the threaded sleeve is fixedly connected with a sliding rod, and the bottom of the sliding rod is slidingly connected in the inner cavity of the sliding groove.

[0012] In further embodiments, the inner side of the threaded rod is fixedly connected with a limiting block, and the diameter of the limiting block is greater than the diameter of the threaded sleeve.

[0013] In further embodiments, the left and right sides of the movable plate are fixedly connected with a convex rod, and the outer side of the convex rod is fixedly connected to the bottom of the inner side of the tooth plate.

[0014] In further embodiments, the left and right sides of the outer surface of the light rod are sleeved with a buffer spring, and the inner side of the buffer spring is in contact with the outer side of the sliding sleeve.

[0015] In further embodiments, the left and right sides of the top of the buffer box are provided with limiting grooves, and the top of the support rod penetrates the inner cavity of the limiting groove and extends to the top of the buffer box.

[0016] In further embodiments, the top of the L-shaped plate is movably connected with a plurality of transmission shafts through a bearing, the top of the transmission shaft is fixedly connected with a transmission gear, and the outer sides of the transmission gears are respectively engaged with the outer sides of the driving gear and the rotating gear.

[0017] The bottom of the base is fixedly connected with a supporting leg, and the bottom of the supporting leg is bonded with a rubber antiskid pad.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] Firstly, the buffer mechanism is arranged to slow down the downward pressure caused by the pressure head, so as to bring buffering effect to the workpiece being processed, avoid the problem that the pressure is transmitted to other parts of the workpiece, and easily cause deformation of the workpiece under the action of the downward pressure. The pressure head is driven to move downward by the extension of the air cylinder, and the workpiece on the top of the processing table is pressed and mounted. When the pressure head contacts the workpiece, the downward pressure drives the processing table to move downward. The processing table drives the movable plate to move downward through the supporting rod. The movable plate first contacts the shock-absorbing spring and the damping shock absorber, so as to play a shock-absorbing role. At the same time, the movable plate drives the sliding sleeve to move outward through the elastic connecting rod. The sliding sleeve extrudes the buffer spring to deform under the influence of force, so as to slow down the pressure on the upper and lower sides to the left and right sides, thereby playing a buffering role and effectively protecting the workpiece.

[0020] Secondly, the fixing mechanism is arranged to fix the workpiece being processed, so as to avoid the workpiece from deviating during the pressing and mounting process of the pressure head, affect the processing effect, and then improve the production quality. Firstly, while the movable plate moves downward to buffer the workpiece, the movable plate drives the tooth plate to move downward through the convex rod. The tooth plate drives the driving gear to rotate through the action of tooth engagement. The driving gear drives a plurality of transmission gears to rotate at the same time. The transmission gear drives the rotating gear to rotate through the action of tooth engagement on the inner side of the transmission gear. The rotating gear drives the optical shaft to rotate. The optical shaft drives the threaded rod to rotate. The threaded rod drives the threaded sleeve to move inward through the action of threads. The threaded sleeve drives the elastic clamping block to move inward through the L-shaped rod and fixes the workpiece, so as to avoid deviation during the pressing process and improve the processing effect. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of a bearing roller needle pressing machine;

[0022] Figure 2 It is a structural schematic view of the present application from the bottom;

[0023] Figure 3 It is a structural schematic view of the fixing mechanism in the present application;

[0024] Figure 4 It is a structural schematic view of the present application Figure 3 enlarged structure of B;

[0025] Figure 5 It is a structural schematic view of the fixing mechanism from the top in the present application;

[0026] Figure 6 It is a structural schematic view of the buffering mechanism in the application;

[0027] Figure 7 It is a structural schematic view of the buffering mechanism from the bottom;

[0028] Figure 8 It is a structural schematic view of the A part in the application; Figure 1

[0029] In the figure: 1, base; 2, buffering mechanism; 201, buffering box; 202, supporting rod; 203, limiting groove; 204, protruding rod; 205, shock-absorbing spring; 206, fixed block; 207, damping shock absorber; 208, buffering spring; 209, light rod; 210, sliding sleeve; 211, elastic connecting rod; 212, movable plate; 3, gantry; 4, air cylinder; 5, pressing head; 6, machining table; 7, sliding groove; 8, L-shaped plate; 9, fixing mechanism; 901, toothed plate; 902, transmission gear; 903, transmission shaft; 904, fixed plate; 905, threaded sleeve; 906, threaded rod; 907, limiting block; 908, elastic clamping block; 909, sliding rod; 910, light shaft; 911, rotating gear; 912, rotating shaft; 913, driving gear; 914, L-shaped rod; 10, supporting leg; 11, rubber non-slip pad. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0031] Please refer to Figures 1-8 A bearing needle press fitting machine, comprising a base 1, a machining table 6 and a fixing mechanism 9, a buffering mechanism 2 is arranged at the middle end of the top of the base 1, the buffering mechanism 2 comprises a buffering box 201, the buffering box 201 is fixedly connected to the middle end of the top of the base 1, a gantry 3 is fixedly connected to the top of the base 1 and located outside the buffering mechanism 2, an air cylinder 4 is fixedly connected to the top of the gantry 3, a pressing head 5 is fixedly connected to the bottom of the air cylinder 4, the fixing mechanism 9 comprises a toothed plate 901 and a threaded sleeve 905;

[0032] ​The left and right sides of the bottom of the inner cavity of the buffer tank 201 are fixedly connected with fixed blocks 206, the inner side of the fixed block 206 is fixedly connected with a light rod 209, the left and right sides of the outer surface of the light rod 209 are movably connected with sliding sleeves 210, the top of the fixed block 206 is fixedly connected with a damping shock absorber 207, the outer surface of the damping shock absorber 207 is sleeved with a damping spring 205, the top of the damping shock absorber 207 is fixedly connected with a movable plate 212, the left and right sides of the bottom of the movable plate 212 are movably connected with elastic connecting rods 211 through pivots, and the bottom of the elastic connecting rod 211 is movably connected to the top of the sliding sleeve 210 through a pivot, the left and right sides of the top of the movable plate 212 are fixedly connected with support rods 202, and the processing table 6 is fixedly connected to the top of the support rod 202.

[0033] In the application, the setting of the buffer mechanism 2 can slow down the downward pressure brought by the pressure head 5, and bring buffering effect to the workpiece being processed, so as to avoid the problem that the pressure is transmitted to other parts of the workpiece and the workpiece is easily deformed under the action of the downward pressure. First, the cylinder 4 is extended to drive the pressure head 5 to move downward, and the workpiece on the top of the processing table 6 is pressed and assembled. When the pressure head 5 contacts the workpiece, the downward pressure drives the processing table 6 to move downward. The processing table 6 drives the movable plate 212 to move downward through the support rod 202. The movable plate 212 first contacts the damping spring 205 and the damping shock absorber 207, which can play a damping role. At the same time, the movable plate 212 drives the sliding sleeve 210 to move outward through the elastic connecting rod 211. The sliding sleeve 210 extrudes the buffer spring 208 to deform due to the force, so that the upward and downward pressure is slowed down to the left and right sides, which plays a buffering role and effectively protects the workpiece.

[0034] Specifically, the tooth plate 901 is fixedly connected to the outer side of the protruding rod 204, the left and right sides of the processing table 6 are fixedly connected with L-shaped plates 8, the inner side of the tooth plate 901 is engaged with a driving gear 913, the inner surface of the driving gear 913 is fixedly connected with a rotating shaft 912, and the rotating shaft 912 is movably connected to the front side of the L-shaped plate 8 through a bearing, the front side of the L-shaped plate 8 is fixedly connected with a fixed plate 904, the inner surface of the fixed plate 904 is movably connected with a light shaft 910 through a bearing, the inner side of the light shaft 910 is fixedly connected with a threaded rod 906, a threaded sleeve 905 is threadedly connected to the outer surface of the threaded rod 906, the front and rear sides of the threaded sleeve 905 are fixedly connected with L-shaped rods 914, and the inner side of the L-shaped rod 914 is fixedly connected with elastic clamping blocks 908.

[0035] In the application, the workpiece can be fixed through the fixing mechanism 9, which can avoid the deviation of the workpiece during the pressing process of the pressing head 5, affect the machining effect, and improve the production quality. First, when the movable plate 212 moves downward to buffer the workpiece, the movable plate 212 drives the tooth plate 901 to move downward through the convex rod 204, the tooth plate 901 drives the driving gear 913 to rotate through the tooth engagement, the driving gear 913 drives a plurality of transmission gears 902 to rotate at the same time, the inside of the transmission gear 902 drives the rotating gear 911 to rotate through the tooth engagement, the rotating gear 911 drives the optical shaft 910 to rotate, the optical shaft 910 drives the threaded rod 906 to rotate, the threaded rod 906 drives the threaded sleeve 905 to move inward through the thread, and the threaded sleeve 905 drives the elastic clamping block 908 to move inward and fix the workpiece through the L-shaped rod 914, avoiding deviation during the pressing process and improving the machining effect.

[0036] Specifically, the left and right sides of the top of the machining table 6 are provided with sliding grooves 7, and the bottom of the threaded sleeve 905 is fixedly connected with a sliding rod 909, and the bottom of the sliding rod 909 is slidingly connected in the inner cavity of the sliding groove 7.

[0037] By setting the sliding groove 7 and the sliding rod 909, the threaded sleeve 905 can be limited, and the stability of the threaded sleeve 905 during movement can be improved.

[0038] Specifically, the inside of the threaded rod 906 is fixedly connected with a limiting block 907, and the diameter of the limiting block 907 is greater than the diameter of the threaded sleeve 905.

[0039] By setting the limiting block 907, the threaded sleeve 905 can be limited to avoid falling after moving too far.

[0040] Specifically, the left and right sides of the movable plate 212 are fixedly connected with convex rods 204, and the outside of the convex rod 204 is fixedly connected to the bottom of the inside of the tooth plate 901.

[0041] By setting the convex rod 204, the movable plate 212 and the tooth plate 901 can be connected and linked, so that the movable plate 212 moves synchronously to drive the tooth plate 901 to work.

[0042] Specifically, the left and right sides of the outer surface of the light rod 209 are sleeved with buffer springs 208, and the inside of the buffer spring 208 is in contact with the outside of the sliding sleeve 210.

[0043] By setting the buffer spring 208, the upward and downward pressure can be reduced to the left and right sides, which plays a buffering role.

[0044] Specific, the left and right sides of the top of the buffer tank 201 are provided with limiting grooves 203, and the top of the supporting rod 202 penetrates the inner cavity of the limiting groove 203 and extends to the top of the buffer tank 201.

[0045] By setting the limiting groove 203, the supporting rod 202 can be limited to avoid deviation during movement.

[0046] Specifically, the top of the L-shaped plate 8 is movably connected with a plurality of transmission shafts 903 through bearings, the top of the transmission shaft 903 is fixedly connected with a transmission gear 902, and the outer side of the transmission gear 902 is respectively engaged with the outer side of the driving gear 913 and the rotating gear 911.

[0047] By setting the transmission shaft 903 and the transmission gear 902, the driving gear 913 and the rotating gear 911 can be engaged to produce a transmission effect between them.

[0048] Specifically, the bottom of the base 1 is fixedly connected with a supporting leg 10, and the bottom of the supporting leg 10 is bonded with a rubber non-slip pad 11.

[0049] By setting the rubber non-slip pad 11, the anti-skid effect can be achieved, and the overall stability can be improved.

[0050] The working principle of the present application is that: through the setting of the buffer mechanism 2, the downward pressure brought by the pressure head 5 can be slowed down, and the workpiece being processed is brought buffering effect, avoiding the problem that the pressure is transmitted to other parts of the workpiece, and under the action of the downward pressure, the workpiece is prone to deformation. First, the cylinder 4 is extended to drive the pressure head 5 to move downward, and the workpiece on the top of the processing table 6 is pressed and assembled. When the pressure head 5 contacts the workpiece, the downward pressure drives the processing table 6 to move downward. The processing table 6 drives the movable plate 212 to move downward through the supporting rod 202. The movable plate 212 first contacts the shock-absorbing spring 205 and the damping shock absorber 207, which can play a shock-absorbing role. At the same time, the movable plate 212 drives the sliding sleeve 210 to move outward through the elastic connecting rod 211. The sliding sleeve 210 extrudes the buffer spring 208 to deform due to the force, so that the upward and downward pressure is slowed down to the left and right sides, playing a buffering role and effectively protecting the workpiece. Through the setting of the fixing mechanism 9, the workpiece being processed can be fixed, avoiding the workpiece from being offset during the pressing and assembling process of the pressure head 5, affecting the processing effect, and improving the production quality. First, when the movable plate 212 moves downward to buffer the workpiece, the movable plate 212 drives the tooth plate 901 to move downward through the convex rod 204. The tooth plate 901 drives the driving gear 913 to rotate through the action of the tooth engagement. The driving gear 913 drives a plurality of transmission gears 902 to rotate at the same time. The transmission gear 902 drives the rotating gear 911 to rotate through the action of the tooth engagement on the inside. The rotating gear 911 drives the optical shaft 910 to rotate. The optical shaft 910 drives the threaded rod 906 to rotate. The threaded rod 906 drives the threaded sleeve 905 to move inward through the action of the screw thread. The threaded sleeve 905 drives the elastic clamping block 908 to move inward and fix the workpiece through the L-shaped rod 914, avoiding the workpiece from being offset during the pressing process, and improving the processing effect.

[0051] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A bearing needle press fitting machine characterized by, Include: Base (1), processing platform (6) and fixed mechanism (9), the middle end of the top of the base (1) is provided with buffer mechanism (2), the buffer mechanism (2) comprises buffer tank (201), the buffer tank (201) is fixedly connected to the middle end of the top of the base (1), the top of the base (1) and the outside of the buffer mechanism (2) is fixedly connected with gantry (3), the top of the gantry (3) is fixedly connected with air cylinder (4), the bottom of the air cylinder (4) is fixedly connected with pressure head (5), the fixed mechanism (9) comprises toothed plate (901) and threaded sleeve (905); The left and right sides of the bottom of the inner cavity of the buffer tank (201) are fixedly connected with fixed block (206), the inner side of the fixed block (206) is fixedly connected with polished rod (209), the left and right sides of the outer surface of the polished rod (209) are movably connected with sliding sleeve (210), the top of the fixed block (206) is fixedly connected with damping shock absorber (207), the outer surface of the damping shock absorber (207) is sleeved with shock absorbing spring (205), the top of the damping shock absorber (207) is fixedly connected with movable plate (212), the left and right sides of the bottom of the movable plate (212) are movably connected with elastic connecting rod (211) through pivot, and the bottom of the elastic connecting rod (211) is movably connected to the top of the sliding sleeve (210) through pivot, the left and right sides of the top of the movable plate (212) are fixedly connected with support rod (202), and the processing platform (6) is fixedly connected to the top of the support rod (202); The toothed plate (901) is fixedly connected to the outer side of the convex rod (204), the left and right sides of the processing platform (6) are fixedly connected with L-shaped plate (8), the inner side of the toothed plate (901) is engaged with driving gear (913), the inner surface of the driving gear (913) is fixedly connected with rotating shaft (912), and the rotating shaft (912) is movably connected to the front side of the L-shaped plate (8) through bearing, the front side of the L-shaped plate (8) is fixedly connected with fixed plate (904), the inner surface of the fixed plate (904) is movably connected with polished shaft (910) through bearing, the inner side of the polished shaft (910) is fixedly connected with threaded rod (906), the threaded sleeve (905) is threadedly connected to the outer surface of the threaded rod (906), the front and rear sides of the threaded sleeve (905) are fixedly connected with L-shaped rod (914), the inner side of the L-shaped rod (914) is fixedly connected with elastic clamping block (908), the inner side of the threaded rod (906) is fixedly connected with limiting block (907), and the diameter of the limiting block (907) is greater than the diameter of the threaded sleeve (905).

2. The bearing roller pin press fitting machine according to claim 1, characterized in that, The left and right sides of the top of the processing platform (6) are provided with sliding grooves (7), the bottom of the threaded sleeve (905) is fixedly connected with sliding rod (909), and the bottom of the sliding rod (909) is movably connected in the inner cavity of the sliding groove (7).

3. The bearing needle press fitting machine according to claim 1, wherein The left and right sides of the movable plate (212) are fixedly connected with convex rod (204), and the outer side of the convex rod (204) is fixedly connected to the bottom of the inner side of the toothed plate (901).

4. The bearing roller pin press fitting machine according to claim 1, characterized in that, The outer surface of the polished rod (209) is sleeved with buffer springs (208) on the left and right sides, and the inner side of the buffer spring (208) is in contact with the outer side of the sliding sleeve (210).

5. The bearing needle press fitting machine according to claim 1, wherein The left and right sides of the top of the buffer box (201) are provided with limiting grooves (203), and the top of the supporting rod (202) penetrates the inner cavity of the limiting groove (203) and extends to the top of the buffer box (201).

6. The bearing roller pin press fitting machine according to claim 1, wherein The top of the L-shaped plate (8) is movably connected with a plurality of transmission shafts (903) through bearings, the top of the transmission shaft (903) is fixedly connected with a transmission gear (902), and the outer side of the transmission gear (902) is respectively engaged with the outer sides of the driving gear (913) and the rotating gear (911).

7. The bearing roller pin press fitting machine according to claim 1, wherein The bottom of the base (1) is fixedly connected with a supporting leg (10), and the bottom of the supporting leg (10) is bonded with a rubber non-slip pad (11).

Images