Manual quick-change bearing pressure head mechanism

Abstract

The utility model relates to the field of bearing pressure heads, and discloses a manual quick-change bearing pressure head mechanism which comprises a sliding sleeve, the upper surface of the sliding sleeve is fixedly connected with a quick-change pressure head, the inner wall of the quick-change pressure head is connected with a floating positioning shaft in a sliding mode, and the lower end of the outer wall of the floating positioning shaft is sleeved with a telescopic spring. The middle of the outer wall of the floating positioning shaft is sleeved with a second oil-free lining, the upper surface of the second oil-free lining is provided with a first oil-free lining, the lower end of the inner wall of the sliding sleeve is provided with a fixing shaft, and the upper end of the outer wall of the floating positioning shaft is matched with a bearing ring in a clamped mode. According to the quick-change pressing head mechanism, the quick-change pressing head can be quickly installed through the cooperation of the fixing shaft, the sliding sleeve and the steel ball, the straight arm in the sliding sleeve abuts against the steel ball and is pressed into the groove in the end of the quick-change pressing head shaft so that the quick-change pressing head can be firmly fixed, and the quick-change pressing head mechanism can effectively shorten the time for replacing the quick-change pressing head; and the replacement efficiency of workers can be effectively improved through simple operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing pressure head field especially relates to a manual quick change bearing pressure head mechanism. BACKGROUND

[0002] Bearing pressure head usually refers to the tool or device for exerting pressure to ensure that the bearing is correctly installed during the bearing assembly process, and the manual quick change bearing pressure head mechanism is a specially designed mechanical device aiming to simplify and speed up the speed of replacing the pressure head during the bearing pressure assembly process, and is usually used in the fields of manufacturing, maintenance, assembly line, etc., and through simple manual operation, the quick replacement of the bearing pressure head can be realized, the production efficiency and operation accuracy are improved, and it is especially suitable for the demand of frequently replacing the pressure head in the production line or maintenance work.

[0003] The traditional bearing pressure head mechanism has low replacement efficiency when replacing the bearing pressure head under time urgency, and the replacement process is relatively cumbersome, which causes the replacement operation of the whole pressure head to be very inconvenient, and the complex replacement operation also increases a lot of unnecessary troubles.

[0004] Therefore, the technical personnel in the art provide a manual quick change bearing pressure head mechanism to solve the problems in the above background art. SUMMARY

[0005] The utility model discloses a manual quick change bearing pressure head mechanism to solve the shortcomings in the prior art, when replacing the quick change pressure head, the quick change pressure head can be quickly installed through the cooperation of the fixed shaft, the sliding sleeve and the steel ball, and the quick change pressure head can be firmly fixed by the straight arm in the sliding sleeve pressing the steel ball and being pressed into the groove in the shaft end of the quick change pressure head, the mechanism can effectively reduce the time of replacing the quick change pressure head, and simple operation can effectively improve the replacement efficiency of the staff.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A manual quick change bearing pressure head mechanism, including the sliding sleeve, the upper surface of the sliding sleeve is fixedly connected with the quick change pressure head, the inner wall of the quick change pressure head is slidably connected with the floating positioning shaft, the lower end of the floating positioning shaft outer wall is equipped with the telescopic spring, the middle part of the floating positioning shaft outer wall is equipped with the second oilless bushing, the upper surface of the second oilless bushing is provided with the first oilless bushing, the lower end of the sliding sleeve inner wall is provided with the fixed shaft, the upper end of the floating positioning shaft outer wall is connected with the bearing ring in the clamping cooperation, the inside of the bearing ring is provided with a plurality of first bearings, the lower surface of the floating positioning shaft is fixedly connected with the positioning cushion ring, the upper end of the floating positioning shaft outer wall is fixedly connected with a plurality of plunger;

[0008] Through the technical scheme, when the quick-change pressure head is replaced, the quick-change pressure head can be quickly installed through cooperation of the fixed shaft, the sliding sleeve and the steel ball, and the quick-change pressure head can be firmly fixed through the straight arm in the sliding sleeve pressing against the steel ball and being pressed into the groove at the shaft end of the quick-change pressure head, the mechanism can effectively reduce the time for replacing the quick-change pressure head, and simple operation can effectively improve the replacement efficiency of workers.

[0009] Further, bolt holes are formed on both sides of the lower surface of the sliding sleeve, two bolt grooves are formed in the middle of the outer wall of the fixed shaft, and a fixed bolt is connected to the inside of the bolt groove in a clamping manner.

[0010] Through the technical scheme, the mechanism can complete operation in a short time, greatly shortening the equipment downtime, simplifying the replacement process, and enabling the operator to quickly complete the replacement of the quick-change pressure head through a small amount of manual operation, ensuring that the production line can be flexibly adapted to different process requirements, improving the flexibility and reliability of the production line, and being very suitable for semi-automatic press-fit working environments that need to frequently replace different pressure heads, greatly optimizing production efficiency and work experience.

[0011] Further, a plurality of spring holes are formed at the front end and the rear end of the lower surface of the sliding sleeve, and a fixed spring is arranged in the spring hole.

[0012] Through the technical scheme, the fixed spring can support the sliding sleeve.

[0013] Further, a ring groove is formed at the upper end of the outer wall of the fixed shaft, and a sleeve ring is arranged in the ring groove.

[0014] Through the technical scheme, the sleeve ring can make the installation of the sliding sleeve more secure.

[0015] Further, a plurality of ball grooves are formed on one side of the middle of the outer wall of the fixed shaft close to the sleeve ring, and a steel ball is arranged in the ball groove.

[0016] Through the technical scheme, the steel ball can replace the quick-change pressure head.

[0017] Further, screw holes are formed at the four corners of the lower surface of the fixed shaft, and locking screws are fixedly connected in the screw holes.

[0018] Through the technical scheme, the locking screws can fix the mechanism.

[0019] Further, a positioning hole is formed in the middle of the lower surface of the floating positioning shaft.

[0020] Through the technical scheme, the positioning hole can fix the mechanism.

[0021] The utility model has the following beneficial effects:

[0022] 1, the utility model discloses a kind of manual quick-change bearing pressure head mechanism, when replacing quick-change pressure head, it can be quickly installed by the cooperation of fixed shaft and sliding sleeve and steel ball, and by the straight arm in sliding sleeve top steel ball and press into quick-change pressure head shaft end recess, it can firmly fix quick-change pressure head, the mechanism can effectively reduce the time of replacing quick-change pressure head, and simple operation can effectively improve the replacement efficiency of staff.

[0023] 2, the utility model discloses a kind of manual quick-change bearing pressure head mechanism, the mechanism can be completed operation in shorter time, greatly shorten equipment downtime, by simplifying replacement process, operator only needs a small amount of manual operation, can quickly complete the replacement of quick-change pressure head, ensure that production line can be flexibly adapted under different process requirements, improve the flexibility and reliability of production line, it is very suitable for the semi-automatic press-fit working environment needing frequently replacing different pressure head, greatly optimize production efficiency and work experience. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 for the shaft drawing of the utility model discloses a kind of manual quick-change bearing pressure head mechanism;

[0025] Figure 2 for the structure schematic view of the utility model discloses a kind of manual quick-change bearing pressure head mechanism;

[0026] Figure 3 for the shaft drawing of fixed shaft in the utility model discloses a kind of manual quick-change bearing pressure head mechanism;

[0027] Figure 4 for the front view sectional view of fixed shaft in the utility model discloses a kind of manual quick-change bearing pressure head mechanism;

[0028] Figure 5 for the structure schematic view of telescopic spring in the utility model discloses a kind of manual quick-change bearing pressure head mechanism;

[0029] Figure 6 for the shaft drawing of sliding sleeve in the utility model discloses a kind of manual quick-change bearing pressure head mechanism;

[0030] Figure 7 for the shaft drawing of plunger in the utility model discloses a kind of manual quick-change bearing pressure head mechanism.

[0031] LEGEND:

[0032] 1, sliding sleeve; 2, quick-change pressure head; 3, plunger; 4, fixed shaft; 5, fixed spring; 6, fixed bolt; 7, steel ball; 8, collar; 9, floating positioning shaft; 10, telescopic spring; 11, ring groove; 12, ball groove; 13, bolt groove; 14, screw hole; 15, positioning hole; 16, bearing ring; 17, first oil-free bushing; 18, second oil-free bushing; 19, positioning washer; 20, bolt hole; 21, spring hole; 22, locking screw; 23, first bearing. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] One embodiment provided by the utility model:

[0035] With reference to Figure 1 , Figure 2 and Figure 4 , a kind of manual quick-change bearing pressure head mechanism, including sliding sleeve 1, the upper surface of sliding sleeve 1 is fixedly connected quick-change pressure head 2, the inner wall of quick-change pressure head 2 is slidably connected with floating positioning shaft 9, the lower end of the outer wall of floating positioning shaft 9 is provided with telescopic spring 10, the middle part of the outer wall of floating positioning shaft 9 is provided with second oil-free bushing 18, the upper surface of second oil-free bushing 18 is provided with first oil-free bushing 17, the lower end of the inner wall of sliding sleeve 1 is provided with fixed shaft 4, the upper end of the outer wall of floating positioning shaft 9 is clamped with bearing ring 16, the inside of bearing ring 16 is provided with multiple first bearings 23, the lower surface of floating positioning shaft 9 is fixedly connected with positioning washer 19, the upper end of the outer wall of floating positioning shaft 9 is fixedly connected with multiple plungers 3;

[0036] When replacing quick-change pressure head 2, quick-change pressure head 2 can be quickly installed by the cooperation of fixed shaft 4, sliding sleeve 1 and steel ball 7, and quick-change pressure head 2 can be firmly fixed by the cooperation of the straight arm in sliding sleeve 1 pressing steel ball 7 and being pressed into the groove in the shaft end of quick-change pressure head 2, which can effectively reduce the time for replacing quick-change pressure head 2, and simple operation can effectively improve the replacement efficiency of workers.

[0037] With reference to Figure 1 , Figure 3 and Figure 7The lower surface of the sliding sleeve 1 is provided with bolt holes 20 on both sides, the middle of the outer wall of the fixed shaft 4 is provided with two bolt grooves 13, the inside of the bolt grooves 13 is matched with fixed bolts 6, the fixed bolts 6 are matched with the bolt holes 20, the mechanism can complete the operation in a short time, greatly shortens the equipment downtime, through simplifying the replacement process, the operator only needs a small amount of manual operation, and the replacement of the quick-change pressure head 2 can be quickly completed, the production line can be flexibly adapted under different process requirements, the flexibility and reliability of the production line are improved, and the production efficiency and work experience are greatly optimized.

[0038] With reference to Figure 1 and Figure 6 The lower surface of the sliding sleeve 1 is provided with bolt holes 20 on both sides, the middle of the outer wall of the fixed shaft 4 is provided with two bolt grooves 13, the inside of the bolt grooves 13 is matched with fixed bolts 6, the fixed bolts 6 are matched with the bolt holes 20, the mechanism can complete the operation in a short time, greatly shortens the equipment downtime, through simplifying the replacement process, the operator only needs a small amount of manual operation, and the replacement of the quick-change pressure head 2 can be quickly completed, the production line can be flexibly adapted under different process requirements, the flexibility and reliability of the production line are improved, and the production efficiency and work experience are greatly optimized.

[0039] With reference to Figure 1 、 Figure 4 and Figure 5 The middle of the outer wall of the fixed shaft 4 is provided with a plurality of ball grooves 12 on one side close to the collar 8, the inside of the ball grooves 12 is provided with steel balls 7, the steel balls 7 can replace the quick-change pressure head 2, the lower surface of the fixed shaft 4 is provided with screw holes 14 at four corners, the inside of the screw holes 14 is fixedly connected with locking screws 22, the mechanism can be fixed through the locking screws 22, and the lower surface of the floating positioning shaft 9 is provided with a positioning hole 15 in the middle.

[0040] Working principle: the fixed shaft 4 is fixed and locked with other fixed parts through the locking screw 22, remains unmoved, when the quick-change pressure head 2 is inserted into the hole of the fixed shaft 4, the sliding sleeve 1 is manually slid upward, the fixed spring 5 is in a compressed state, the steel ball 7 falls into the groove in the sliding sleeve 1, after the quick-change pressure head 2 is installed in place, the height position of the shaft end groove of the quick-change pressure head 2 is consistent with that of the steel ball 7, the sliding sleeve 1 is manually slid downward, the straight arm in the sliding sleeve 1 pushes the steel ball 7 and is pressed into the shaft end groove of the quick-change pressure head 2, and the locking function is realized. If the pressure head is replaced and disassembled, the reverse operation can be performed.

[0041] Finally, it should be noted that: the above only describes preferred embodiments of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A manual quick-change bearing pressure head mechanism, comprising a sliding sleeve (1), characterized in that: The upper surface of the sliding sleeve (1) is fixedly connected to the quick-change pressure head (2), the inner wall of the quick-change pressure head (2) is slidably connected to the floating positioning shaft (9), the lower end of the outer wall of the floating positioning shaft (9) is fitted with a telescopic spring (10), the middle part of the outer wall of the floating positioning shaft (9) is fitted with a second oil-free bushing (18), the upper surface of the second oil-free bushing (18) is provided with a first oil-free bushing (17), the lower end of the inner wall of the sliding sleeve (1) is provided with a fixed shaft (4), the upper end of the outer wall of the floating positioning shaft (9) is engaged with a bearing ring (16), the inside of the bearing ring (16) is provided with multiple first bearings (23), the lower surface of the floating positioning shaft (9) is fixedly connected to a positioning pad ring (19), and the upper end of the outer wall of the floating positioning shaft (9) is fixedly connected to multiple plungers (3).

2. The manual quick-change bearing pressure head mechanism according to claim 1, characterized in that: Both sides of the lower surface of the sliding sleeve (1) are provided with bolt holes (20), and two bolt grooves (13) are provided in the middle of the outer wall of the fixed shaft (4). The bolt grooves (13) are fitted with a fixing bolt (6), and the fixing bolt (6) is fitted with the bolt hole (20).

3. The manual quick-change bearing pressure head mechanism according to claim 1, characterized in that: The front and rear ends of the lower surface of the sliding sleeve (1) are provided with multiple spring holes (21), and a fixing spring (5) is provided inside the spring hole (21).

4. The manual quick-change bearing pressure head mechanism according to claim 1, characterized in that: The upper end of the outer wall of the fixed shaft (4) is provided with an annular groove (11), and a collar (8) is provided inside the annular groove (11).

5. A manual quick-change bearing pressure head mechanism according to claim 4, characterized in that: Multiple ball grooves (12) are provided on the middle part of the outer wall of the fixed shaft (4) near the collar (8), and steel balls (7) are provided inside the ball grooves (12).

6. The manual quick-change bearing pressure head mechanism according to claim 1, characterized in that: Screw holes (14) are provided at the four corners of the lower surface of the fixed shaft (4), and locking screws (22) are fixedly connected inside the screw holes (14).

7. The manual quick-change bearing pressure head mechanism according to claim 1, characterized in that: A positioning hole (15) is provided in the middle of the lower surface of the floating positioning shaft (9).

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