Shaft sleeve press fitting guide tool

Abstract

The utility model relates to the technical field of shaft sleeve machining, and discloses a shaft sleeve press fitting guide tool which comprises a base and a top seat located above the base, four guide columns are fixedly connected to the four corners between the base and the top seat, a connecting plate is slidably connected to the outer side of each set of guide columns, and the connecting plate is fixedly connected with the top seat. A mounting plate is fixedly connected between the two connecting plates, and a first hydraulic cylinder is installed at the upper end of the top base in a penetrating mode. According to the utility model, the seat body of the shaft sleeve to be mounted can be fixed on the base through the fastening mechanism and is kept still; the position of a shaft sleeve in a chuck can be adjusted in the front-back direction through a first motor, a first lead screw and a first nut pair in the positioning and clamping mechanism. The position of the shaft sleeve in the chuck can be adjusted in the left-right direction through the second motor, the second lead screw and the second nut pair. The circle center of the shaft sleeve is aligned with the circle center of the hole in the seat body; the shaft sleeve can be pressed into a hole in the seat body through the hydraulic cylinder II and the press-fitting head; rapid installation can be achieved, and the installation accuracy is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to axle sleeve processing technical field, concretely is axle sleeve press -mounting guiding frock. BACKGROUND

[0002] In the moving part, because long -term friction causes the wear and tear of parts, when the gap of axle and seat body hole wears to a certain degree, the part must be replaced, therefore select low hardness, wear resistance good material as axle sleeve, like this can reduce the wear and tear of axle and seat, when the axle sleeve wears to a certain degree and is replaced, like this can save the cost of replacing axle or seat, generally speaking, axle sleeve and seat adopt interference fit, and adopt clearance fit with axle, therefore, need to adopt press -mounting and press the axle sleeve on the seat.

[0003] Chinese patent discloses a kind of frock for inner hole press -mounting bearing or axle sleeve, (grant announcement No.CN209632918U), the patent technology not only can greatly reduce manual assembly intensity, and eliminate assembly noise, while simple and compact structure, it is convenient to operate and maintenance is convenient, but it cannot conveniently install bearing or axle sleeve on seat body, and installation efficiency is not good. UTILITY MODEL CONTENT

[0004] The utility model aims at providing axle sleeve press -mounting guiding frock to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Axle sleeve press -mounting guiding frock, including base and the top seat located in the upper of base, four guide columns are fixedly connected between the four corners of base and top seat, four guide columns are divided into two groups, one root connecting plate is slidably connected to the outer side of each group of guide columns, mounting plate is fixedly connected between two connecting plates, hydraulic cylinder one is installed through the upper end of top seat, the output end of hydraulic cylinder one is fixedly connected with hydraulic cylinder two, hydraulic cylinder two is installed on mounting plate, and press -mounting head is installed on the output end of hydraulic cylinder two, and positioning clamping mechanism is installed on the lower end of mounting plate close to press -mounting head, four strip-shaped guide slots are set up between four guide columns in the upper end of base, and fastening mechanism is installed through in the inside of base upwards.

[0007] As the further scheme of the utility model: the fastening mechanism includes drive motor, the output end of drive motor is fixedly connected with driving shaft, the upper end of driving shaft is fixedly connected with cross, the end of cross is rotatably connected with four connecting arms, the end of each connecting arm is rotatably connected with limit post, the upper end of each limit post is fixedly connected with clamping plate.

[0008] As a further scheme of the utility model: the limiting column is connected in the inner side of the bar-shaped guide groove through sliding, the clamping plate is located at the upper end of the base, the driving motor, the driving shaft, the connecting arm and the cross are all located in the inside of the base.

[0009] As a further scheme of the utility model: the positioning and clamping mechanism includes fixed frame one and fixed frame two at the upper end of fixed frame one, a group of lead screws one are installed at the inner side of fixed frame one, a group of synchronous pulley sets one are installed between the lead screws one, a motor one is installed at the front end of one of the lead screws one, a group of nut pairs one are engaged and connected on each of the lead screws one, and each of the nut pairs one is fixedly connected with the lower end of fixed frame two.

[0010] As a further scheme of the utility model: a group of lead screws two perpendicular to the lead screws one are installed at the inner side of fixed frame two, a group of synchronous pulley sets two are installed between the lead screws two, a motor two is installed at one end of one of the lead screws two, nut pairs two are engaged and connected on each of the lead screws two, a chuck is fixedly connected between the nut pairs two, a plurality of air cylinders are embedded and installed at the upper end of the chuck, and a chuck head is fixedly connected to the output end of the air cylinder.

[0011] As a further scheme of the utility model: an electric cylinder is installed at the upper side of each of the two ends of fixed frame two, the housing part of the electric cylinder is fixedly connected with the mounting plate, and the output end of the electric cylinder is connected with fixed frame two.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses a fastening mechanism can be fixed with the seat body of the shaft sleeve to be installed on the base and keep unmoved, the motor one, the lead screw one and the nut pair one in the positioning and clamping mechanism can adjust the position of the shaft sleeve in the chuck in the front and back direction, the motor two, the lead screw two and the nut pair two can adjust the position of the shaft sleeve in the chuck in the left and right direction, the center of the shaft sleeve is centered with the center of the hole on the seat body, then the hydraulic cylinder two and the press fitting head can press the shaft sleeve into the hole on the seat body, which can realize fast installation, and the installation accuracy is high. ACCURACY

[0014] Figure 1 It is the structural schematic view of shaft sleeve press fitting guide tool;

[0015] Figure 2 It is the structural schematic view of shaft sleeve press fitting guide tool after removing the positioning and clamping mechanism;

[0016] Figure 3 It is the structural schematic view of fastening mechanism in shaft sleeve press fitting guide tool;

[0017] Figure 4 Structure diagram of the positioning and clamping mechanism in the shaft sleeve press-fitting guide tool.

[0018] In the figure: 1, base; 2, fastening mechanism; 21, driving motor; 22, driving shaft; 23, connecting arm; 24, limiting column; 25, cross; 26, clamping plate; 3, strip-shaped guide groove; 4, press-fitting head; 5, positioning and clamping mechanism; 51, fixed frame one; 52, motor one; 53, fixed frame two; 54, electric cylinder; 55, synchronous pulley set two; 56, synchronous pulley set one; 57, air cylinder; 58, chuck; 59, motor two; 510, chuck plate; 511, screw rod one; 512, nut pair one; 513, nut pair two; 514, screw rod two; 6, mounting plate; 7, top base; 8, hydraulic cylinder one; 9, guide column; 10, connecting plate; 11, hydraulic cylinder two. DETAILED DESCRIPTION

[0019] Please refer to Figures 1-4 In the embodiment of the utility model, the shaft sleeve press-fitting guide tool, including base 1 and top base 7 located above base 1, four guide columns 9 are fixedly connected between base 1 and top base 7, four guide columns 9 are divided into two groups, one connecting plate 10 is slidably connected to the outside of each group of guide columns 9, mounting plate 6 is fixedly connected between two connecting plates 10, hydraulic cylinder one 8 is installed through the upper end of top base 7, hydraulic cylinder two 11 is fixedly connected to the output end of hydraulic cylinder one 8, hydraulic cylinder two 11 is installed through mounting plate 6, press-fitting head 4 is installed on the output end of hydraulic cylinder two 11, positioning and clamping mechanism 5 is installed on the lower end of mounting plate 6 close to press-fitting head 4, four strip-shaped guide grooves 3 are formed between four guide columns 9 on the upper end of base 1, fastening mechanism 2 is installed through the inside of base 1 upwards, first, the seat body is fixed on base 1 by fastening mechanism 2 and kept unmoved, then the shaft sleeve needing installation is clamped by positioning and clamping mechanism 5, and the shaft sleeve is moved forward and backward and left and right, the center of the shaft sleeve is centered with the center of the hole on the seat body, then hydraulic cylinder one 8 drives hydraulic cylinder two 11, mounting plate 6, connecting plate 10, positioning and clamping mechanism 5 and press-fitting head 4 to move downwards, connecting plate 10 slides downwards along guide column 9, so that the shaft sleeve contacts the hole on the seat body, then hydraulic cylinder two 11 drives press-fitting head 4 to press downwards, and the shaft sleeve is pressed into the hole on the seat body by press-fitting head 4.

[0020] In Figure 1 , Figure 2 and Figure 3In the middle, the fastening mechanism 2 includes a drive motor 21, the output end of the drive motor 21 is fixedly connected with a drive shaft 22, the upper end of the drive shaft 22 is fixedly connected with a cross 25, the end of the cross 25 is rotatably connected with four connecting arms 23, the end of each connecting arm 23 is rotatably connected with a limiting column 24, the upper end of each limiting column 24 is fixedly connected with a clamping plate 26, the limiting column 24 is slidingly connected in the inner side of the strip-shaped guide groove 3, the clamping plate 26 is located at the upper end of the base 1, the drive motor 21, the drive shaft 22, the connecting arm 23 and the cross 25 are located in the interior of the base 1, the seat body which needs to be installed with the shaft sleeve is placed between the four clamping plates 26, the drive motor 21 drives the drive shaft 22, the cross 25 and the four connecting arms 23 to rotate together, the connecting arm 23 pulls the corresponding limiting column 24 and the clamping plate 26 in the process of rotating, the limiting column 24 slides in the inner side of the strip-shaped guide groove 3, so that the four clamping plates 26 approach to each other, and the seat body is fastened on the base 1 by the four clamping plates 26 and keeps stationary.

[0021] In Figure 1 、 Figure 2 and Figure 4In the specific embodiment, the positioning and clamping mechanism 5 comprises a fixed frame one 51 and a fixed frame two 53 located at the upper end of the fixed frame one 51. A group of lead screws one 511 are installed on the inner side of the fixed frame one 51. A synchronous pulley set one 56 is installed between the group of lead screws one 511. A motor one 52 is installed at the front end of one of the lead screws one 511. A group of nut pairs one 512 are engaged with each of the lead screws one 511. Each of the nut pairs one 512 is fixedly connected with the lower end of the fixed frame two 53. The motor one 52 drives one of the lead screws one 511 to rotate, which drives the synchronous pulley set one 56 to rotate, thereby driving the other lead screw one 511 to rotate, so that the nut pairs one 512 move back and forth along the corresponding lead screws one 511, thereby driving the fixed frame two 53 to move back and forth.

[0022] The working principle of the utility model is as follows: when it is needed to install the shaft sleeve in the hole of the seat body, first, the seat body is placed on the base 1 and located between the four clamping plates 26 in the fastening mechanism 2.

[0023] Then, the driving motor 21 is started, which drives the driving shaft 22, the cross 25 and the four connecting arms 23 to rotate together. The connecting arms 23 pull the limiting columns 24 and the clamping plates 26 in the process of rotation. The limiting columns 24 slide in the inner side of the strip-shaped guide groove 3, so that the four clamping plates 26 are close to each other. The seat body is fastened on the base 1 by the four clamping plates 26 and kept stationary.

[0024] Then, the shaft sleeve to be installed is placed inside the chuck 510 in the positioning and clamping mechanism 5, and the air cylinder 57 is started to drive the collets 58 to move to the center position of the chuck 510, and the shaft sleeve is fixed in the chuck 510 through the cooperation of the collets 58;

[0025] Then, the motor one 52 is started to drive the two lead screws one 511 to rotate together with the synchronous pulley set one 56, so that the nut pair one 512 moves back and forth along the corresponding lead screw one 511, and then drives the fixed frame two 53 and the chuck 510 to move back and forth, thereby adjusting the position of the shaft sleeve in the chuck 510 in the front and back direction; and then the motor two 59 is started to drive the two lead screws two 514 to rotate together with the synchronous pulley set two 55, so that the nut pair two 513 moves left and right along the corresponding lead screw two 514, and then drives the chuck 510 to move left and right, thereby adjusting the position of the shaft sleeve in the chuck 510 in the left and right direction; so that the center of the shaft sleeve is centered with the center of the hole on the seat body;

[0026] Then, the hydraulic cylinder one 8 is started to drive the hydraulic cylinder two 11, the mounting plate 6, the connecting plate 10, the positioning and clamping mechanism 5 and the press fitting head 4 to move downward together, the connecting plate 10 slides downward along the guide column 9, so that the shaft sleeve approaches the seat body;

[0027] Then, the electric cylinder 54 is started to drive the fixed frame two 53 and the chuck 510 to move downward together, and the position of the shaft sleeve is slightly moved in the vertical direction, so that the shaft sleeve is in contact with the hole on the seat body;

[0028] Then, the air cylinder 57 drives the collets 58 to move to the outside of the chuck 510, so that the collets 58 are away from the shaft sleeve;

[0029] Then, the hydraulic cylinder two 11 is started to drive the press fitting head 4 to press downward, and the shaft sleeve is pressed into the hole on the seat body through the press fitting head 4.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A bush press-fitting guide tool, comprising a base (1) and a top base (7) above the base (1), four guide columns (9) being fixedly connected between the base (1) and the top base (7), the four guide columns (9) being divided into two groups, each group of the guide columns (9) being slidingly connected with a connecting plate (10) on the outer side, and the two connecting plates (10) being fixedly connected with a mounting plate (6) therebetween, characterized in that, The upper end of the top base (7) is provided with a hydraulic cylinder I (8), the output end of the hydraulic cylinder I (8) is fixedly connected with a hydraulic cylinder II (11), the hydraulic cylinder II (11) is installed on the mounting plate (6), a pressing head (4) is installed on the output end of the hydraulic cylinder II (11), a positioning and clamping mechanism (5) is installed on the lower end of the mounting plate (6) close to the pressing head (4), four strip-shaped guide grooves (3) are formed between the four guide columns (9) on the upper end of the base (1), and a fastening mechanism (2) is installed on the inside of the base (1) and extends upward.

2. The bush press guiding tool according to claim 1, characterized in that, The fastening mechanism (2) comprises a driving motor (21), the output end of the driving motor (21) is fixedly connected with a driving shaft (22), the upper end of the driving shaft (22) is fixedly connected with a cross (25), the end of the cross (25) is rotatably connected with four connecting arms (23), the end of each connecting arm (23) is rotatably connected with a limiting column (24), and the upper end of each limiting column (24) is fixedly connected with a clamping plate (26).

3. The bush press guiding tool of claim 2, wherein, The limiting column (24) is slidably connected on the inside of the strip-shaped guide groove (3), the clamping plate (26) is located on the upper end of the base (1), and the driving motor (21), the driving shaft (22), the connecting arm (23) and the cross (25) are located in the inside of the base (1).

4. The bush press guiding tool of claim 1, wherein, The positioning and clamping mechanism (5) comprises a fixed frame I (51) and a fixed frame II (53) located on the upper end of the fixed frame I (51), a group of lead screws I (511) are installed on the inside of the fixed frame I (51), a group of synchronous pulley sets I (56) are installed between a group of the lead screws I (511), a motor I (52) is installed on the front end of one of the lead screws I (511), a group of nut pairs I (512) are engagedly connected on each lead screw I (511), and each nut pair I (512) is fixedly connected with the lower end of the fixed frame II (53).

5. The bush press guiding tool of claim 4, wherein, A group of lead screws II (514) perpendicular to the lead screws I (511) are installed on the inside of the fixed frame II (53), a group of synchronous pulley sets II (55) are installed between a group of the lead screws II (514), a motor II (59) is installed on one end of one of the lead screws II (514), nut pairs II (513) are engagedly connected on each lead screw II (514), a chuck (510) is fixedly connected between two nut pairs II (513), a plurality of air cylinders (57) are embeddedly installed on the upper end of the chuck (510), and the output end of the air cylinder (57) is fixedly connected with a chuck head (58).

6. The bush press guiding tool of claim 4, wherein, An electric cylinder (54) is installed on the upper side of each end of the fixed frame II (53), the housing part of the electric cylinder (54) is fixedly connected with the mounting plate (6), and the output end of the electric cylinder (54) is connected with the fixed frame II (53).

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