CN214224023U

CN214224023U - Installation and detection device of idler in take-up pulley

Info

Publication number: CN214224023U
Application number: CN202120624891.3U
Authority: CN
Inventors: 何樱
Original assignee: Yuhuan Fangbo Machinery Co ltd
Current assignee: Yuhuan Fangbo Machinery Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-09-17
Anticipated expiration: 2031-03-26

Abstract

The utility model belongs to the technical field of tensioning wheel installation equipment, in particular to an installation and detection device of an idler wheel in a tensioning wheel, which comprises a frame, wherein a first positioning unit of a fixed base for placing the tensioning wheel is arranged on the frame, an automatic tightening mechanism for tightening a fastener of the idler wheel is arranged above the first positioning unit, the automatic tightening mechanism comprises a servo motor and a first power source for driving the servo motor to ascend and descend, and a tightening head is arranged at the output end of the servo motor. The tightness degree of the fastener after installation can be controlled, the fastener can be kept consistent every time, and yield and production efficiency are improved.

Description

Installation and detection device of idler in take-up pulley

Technical Field

The utility model relates to a take-up pulley erection equipment technical field refers in particular to an installation and detection device of idler in take-up pulley.

Background

The tension wheel is a component for controlling the tension degree of the transmission belt, and is assembled on the body of the power machine, and the wheel surface of the tension wheel is abutted against the outer surface of the transmission belt. Install synchronizing wheel and take-up pulley on the unable adjustment base respectively, the structure of take-up pulley includes wheel body, bearing support cover and fastener, and the wheel body is built-in to be equipped with the bearing, and the bearing is installed to the up end of bearing and is supported the cover, offers the mounting hole that is used for installing the wheel body on the unable adjustment base, passes the fastener behind the bearing screw in mounting hole, can accomplish the assembly of take-up pulley.

In the prior art, the installation of the fastener is determined only by the working experience of operators, the difference of the working experience between different operators is large, the fastener is screwed too tightly, the tensioning wheel cannot rotate, the fastener is screwed too loosely, and the tensioning wheel falls off easily in the rotating process, so that the production quality of the tensioning wheel cannot be well controlled, and the problem of batch quality of products is easy to occur.

Disclosure of Invention

The utility model aims at providing an installation and detection device of idler among tight pulley rises screws up the fastener through servo motor, solves the inconsistent problem of elasticity degree of installation back fastener at every turn.

The purpose of the utility model is realized like this: the mounting and detecting device for the idler wheel in the tension wheel comprises a rack, wherein a first positioning unit for placing a fixing base of the tension wheel is arranged on the rack, an automatic tightening mechanism for tightening a fastener of the idler wheel is mounted above the first positioning unit, the automatic tightening mechanism comprises a servo motor and a first power source for driving the servo motor to lift, and a tightening head is mounted at the output end of the servo motor;

the first positioning unit comprises a main support fixed on the rack, a first positioning seat and a second positioning seat are respectively arranged on the main support, a third positioning seat is arranged above the first positioning seat, a first positioning shaft is arranged in the first positioning seat, the first positioning shaft is connected with a second power source for driving the second positioning shaft to move, a second positioning shaft is arranged in the second positioning seat, and a spring is abutted between the lower end of the second positioning shaft and the main support.

Preferably, the output end of the servo motor is connected with a connecting shaft, a shaft sleeve is installed on the periphery of the lower end of the connecting shaft, the shaft sleeve can lift on the periphery of the connecting shaft, a limited rotation structure is arranged between the shaft sleeve and the connecting shaft, and the shaft sleeve is connected with a first power source for driving the shaft sleeve to lift.

Preferably, the rotation limiting structure comprises a convex strip vertically arranged on the periphery of the connecting shaft, and a groove matched with the convex strip is formed in the inner periphery of the shaft sleeve.

Preferably, the lower end of the shaft sleeve is provided with an adjustable mounting seat, and a detachable tightening head is arranged in the mounting seat.

Preferably, the frame, the fixed stand that is provided with in the frame, the connecting piece is installed to the periphery of stand, and the other end of connecting piece is connected with servo motor.

Preferably, a bearing seat is arranged in the connecting piece, a connecting shaft is arranged on an output shaft of the servo motor, the outer side of the upper end of the connecting shaft is rotatably arranged on the bearing seat through a plane bearing, a movable support plate is arranged on the periphery of the shaft sleeve, a second bearing is arranged between the movable support plate and the shaft sleeve, and the other end of the movable support plate is connected with a first power source for driving the movable support plate to move.

Preferably, a buffering support is installed on one side of the first power source, a flexible buffering block is arranged on the buffering support, and the buffering block is located below the first power source.

Preferably, the wheel body further comprises a second positioning unit for placing the fixed base, and a laser displacement sensor for detecting the flatness of the upper end face of the wheel body is arranged above the second positioning unit.

Preferably, one side of the second positioning unit is provided with an installation frame, a rotary power source is arranged on the installation frame, and the output end of the rotary power source is provided with the laser displacement sensor.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses an automatic screw up the design of mechanism, in the actual motion in-process, the cylinder will drive the axle sleeve that the servo motor output is connected and descend the assigned position, then servo motor operation and drive screw up the head and rotate, rotary fastener, with in its screw in mounting hole, can accomplish the assembly, and because servo motor can make control speed, the position precision is very accurate, can turn into torque and rotational speed with the drive control object with voltage signal, consequently can control the elasticity degree after the fastener installation, can both keep unanimous at every turn, be favorable to improving yield and production efficiency.

2. The utility model discloses a design of limit rotation structure for the axle sleeve can enough realize freely lifting adjusting in the periphery of connecting axle, and servo motor can drive the axle sleeve through the connecting axle again and rotate and screw up the operation.

3. The utility model discloses a design of sand grip and recess can restrict the relative rotation between axle sleeve and the connecting axle to when the axle sleeve removes in the periphery of connecting axle, can remove in the recess through the sand grip, it is more stable during the removal.

4. The utility model discloses a can dismantle the design of screwing up the head, according to the fastener shape of different grade type, can change the head of screwing up of adaptation with it and use.

5. The utility model discloses a design of planar bearing and bearing two has improved the stability of connecting axle when rotating, improves the assembly precision, and in the actual work process, power supply one is the cylinder, and the cylinder will drive the axle sleeve through the activity extension board and remove.

6. The utility model discloses a design of buffering support, in the actual work process, the buffer block can play the length that the piston rod stretches out in the restriction cylinder, stretches out to restriction length back when the piston rod, will support at the terminal surface that leans on the buffer block, can restrict it and continue to remove to the buffer block is made by flexible material, has the buffering effect, is favorable to increase of service life.

7. The utility model discloses a laser displacement sensor's design, laser displacement sensor is rotatory 90 at every turn to stop in proper order four points of wheel body up end and detect, detect the back, with four data processes that the point was detected calculate the back, will reach the plane degree on product surface, if not conform to the standard, the machine will report to the police, realizes the automated inspection function.

8. The utility model discloses a positioning unit's design, after placing the product, wherein insert in constant head tank two the upper end of location axle two, power supply two drive location axle one after rising, make location axle one and the location seat three respectively support and lean on the upper and lower terminal surface at interior axle sleeve, the atress is even, guarantees that the product is fixed stable to in the fastener of packing into.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic perspective view of the automatic tightening mechanism.

Fig. 3 is a schematic sectional view of the automatic tightening mechanism.

Fig. 4 is a schematic perspective view of the flatness detecting mechanism.

Fig. 5 is a schematic sectional structure view of the flatness detection mechanism.

Fig. 6 is a first structural diagram of a product after the device is assembled.

Fig. 7 is a second structural diagram of the assembled product of the device.

Fig. 8 is a cross-sectional view of the assembled product.

Reference numerals: 1-fixing a base; 2, positioning a first unit; 3-a fastener; 4-automatic tightening mechanism; 5-a servo motor; 6, a first power source; 7-a tightening head; 8-a connecting shaft; 9-shaft sleeve; 12-a mounting seat; 14-a bearing seat; 15-plane bearings; 16-a movable plate; 17-bearing two; 18-a buffer support; 19-a buffer block; 20-a second positioning unit; 21-laser displacement sensor; 22-a mounting frame; 23-a source of rotary power; 24-a main support; 25-a frame; 26-positioning seat one; 27-positioning seat II; 28-positioning seat III; 29-positioning the first shaft; 30-power source two; 31-positioning shaft II; 32-a spring; 33-upright post; 34-a connector; 35-wheel body one; 36-wheel body two; 37-mounting holes; 38-positioning groove two; 39-inner sleeve.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

An idler wheel mounting and detecting device in a tension wheel.

As shown in fig. 6-8, the assembled tension wheel assembly includes a fixed base 1, a first mounting station and a second mounting station are respectively formed on the fixed base 1, a first wheel body 35 is mounted on the first mounting station, a second wheel body 36 is mounted on the second mounting station, a mounting hole 37 is formed in the second mounting station, and in the manual assembly process, the fastener 3 penetrates through the middle of the second wheel body 36 and then is screwed into the mounting hole 37, so that the assembly of the second wheel body 36 can be completed.

Specifically referring to fig. 1, when automatic assembly is required, a fixing base 1 is firstly placed on a positioning unit one 2, and an automatic tightening mechanism 4 for tightening a fastener 3 is installed above the positioning unit one 2.

Referring to fig. 1 and 2, the automatic tightening mechanism 4 includes a servo motor 5, a tightening head 7 is mounted at an output end of the servo motor 5, the shape of the tightening head 7 is matched with a tightening cavity on the fastener 3, during an actual operation process, an air cylinder drives a shaft sleeve 9 connected to the output end of the servo motor 5 to descend to a specified position, then the servo motor 5 operates and drives the tightening head 7 to rotate, the fastener 3 is rotated and screwed into the mounting hole 37, and assembly can be completed.

With reference to fig. 1 and 2, the device further comprises a frame 25, wherein a vertical column 33 is fixedly arranged on the frame 25, a connecting piece 34 is installed on the periphery of the vertical column 33, and the other end of the connecting piece 34 is connected with the servo motor 5.

Specifically looking at fig. 2, the output end of the servo motor 5 is connected with a connecting shaft 8, a shaft sleeve 9 is installed on the periphery of the lower end of the connecting shaft 8, a rotation limiting structure is arranged between the shaft sleeve 9 and the connecting shaft 8, the shaft sleeve 9 is connected with a power source 6 for driving the shaft sleeve to lift, the shaft sleeve 9 can be freely lifted and lowered on the periphery of the connecting shaft 8, and the servo motor 5 can drive the shaft sleeve 9 to rotate through the connecting shaft 8 to be screwed up through the design of the rotation limiting structure.

The structure is changeed in limit includes the sand grip of the vertical setting in connecting axle 8 periphery, the internal week of axle sleeve 9 be provided with sand grip complex recess to the relative rotation between the restriction both, when the axle sleeve 9 removes in the periphery of connecting axle 8, can remove in the recess through the sand grip, it is more stable during the removal.

Specifically, referring to fig. 3, an adjustable mounting seat 12 is installed at the lower end of the shaft sleeve 9, the mounting seat 12 is fixedly connected with the shaft sleeve 9 through a fastener, a detachable tightening head 7 is arranged in the mounting seat 12, and the tightening head 7 matched with the mounting seat can be replaced for use according to the shapes of different types of fasteners 3.

Referring to fig. 2 and 3, a bearing seat 14 is installed on an end face of the servo motor 5, a planar bearing 15 is arranged between the bearing seat 14 and the connecting shaft 8, a movable support plate 16 is installed on the periphery of the shaft sleeve 9, a second bearing 17 is arranged between the movable support plate 16 and the shaft sleeve 9, and the other end of the movable support plate 16 is connected with a first power source 6 for driving the movable support plate to move.

According to the technical scheme, through the design of the plane bearing 15 and the bearing II 17, the stability of the connecting shaft 8 during rotation is improved, the assembly precision is improved, in the actual working process, the power source I6 is an air cylinder, and the air cylinder can drive the shaft sleeve 9 to move through the movable support plate 16.

Referring to fig. 2 and 3, a buffering bracket 18 is installed at one side of the first power source 6, a flexible buffering block 19 is arranged on the buffering bracket 18, and the buffering block 19 is located below the first power source 6.

In actual work process, buffer block 19 can play the length that the piston rod stretches out in the restriction cylinder, stretches out to restriction length back when the piston rod, will support and lean on the terminal surface at buffer block 19, can restrict it and continue to remove to buffer block 19 is made by flexible material, has buffering effect, is favorable to increase of service life.

With reference to fig. 1 and 4, the device further comprises a second positioning unit 20 for placing the fixing base 1, a flatness detection mechanism is arranged above the second positioning unit 20, and the flatness detection mechanism comprises a laser displacement sensor 21 arranged above the second positioning unit 20 and used for detecting the flatness of the upper end face of the wheel body.

The laser displacement sensor 21 is a sensor for measuring by using a laser technique, and is composed of a laser, a laser detector and a measuring circuit, and can measure precise geometric measurements such as displacement, thickness, vibration, distance, diameter and the like.

With reference to fig. 4 and 5, a mounting frame 22 is disposed on one side of the second positioning unit 20, a rotary power source 23 is disposed on the mounting frame 22, and the laser displacement sensor 21 is mounted at an output end of the rotary power source 23.

In the actual detection process, rotary power source 23 drives laser displacement sensor 21 rotatory, and rotatory 90 at every turn to stop in proper order four points of wheel body up end and detect, detect the back, with four data that the point was detected after calculating, will obtain the plane degree on product surface, if not conform to the standard, the machine will report to the police, realizes the automated inspection function.

The detection of the flatness of the product by the laser displacement sensor 21 is prior art and will therefore not be described in detail herein.

Specifically referring to fig. 3, the first positioning unit 2 includes a main support 24 fixed on the frame 25, a first positioning seat 26 and a second positioning seat 27 are respectively arranged on the main support 24, a third positioning seat 28 is arranged above the first positioning seat 26, a third positioning shaft for inserting an inner shaft sleeve 39 is formed at the lower end of the third positioning seat 28, a first positioning shaft 29 is arranged in the first positioning seat 26, the first positioning shaft 29 is connected with a second power source 30 for driving the first positioning shaft to move, a second positioning shaft 31 is arranged in the second positioning seat 27, and a spring 32 is abutted between the lower end of the second positioning shaft 31 and the main support 24 so as to facilitate placement.

The first positioning unit 2 and the second positioning unit 20 have the same structure, and with reference to fig. 4 and 8, a second positioning groove 38 for inserting the second positioning shaft 31 is formed in the lower end face of the fixing base 1, an inner shaft sleeve 39 is arranged in the first wheel body 35, the fixing base 1 is placed in the positioning unit, the upper end of the second positioning shaft 31 is inserted into the second positioning groove 38, and after the second power source 30 drives the first positioning shaft 29 to rise, the first positioning shaft 29 and the third positioning seat 28 respectively abut against the upper end face and the lower end face of the inner shaft sleeve 39, and the stress is uniform, so that the product is fixed and stable, and the fastening piece 3 can be conveniently installed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An idler's installation and detection device in take-up pulley characterized in that: the automatic tightening mechanism comprises a rack (25), wherein a first positioning unit (2) for placing a fixing base (1) of a tensioning wheel is arranged on the rack (25), an automatic tightening mechanism (4) for tightening a fastener (3) of an idler wheel is arranged above the first positioning unit (2), the automatic tightening mechanism (4) comprises a servo motor (5), and a tightening head (7) is arranged at the output end of the servo motor (5);

the positioning unit I (2) comprises a main support (24) fixed on a rack (25), a first positioning seat (26) and a second positioning seat (27) are respectively arranged on the main support (24), a third positioning seat (28) is arranged above the first positioning seat (26), a first positioning shaft (29) is arranged in the first positioning seat (26), the first positioning shaft (29) is connected with a second power source (30) driving the first positioning shaft to move, a second positioning shaft (31) is arranged in the second positioning seat (27), and a spring (32) is abutted between the lower end of the second positioning shaft (31) and the main support (24).

2. The idler mounting and sensing apparatus of claim 1, wherein: the output end of the servo motor (5) is connected with a connecting shaft (8), a shaft sleeve (9) is installed at the periphery of the lower end of the connecting shaft (8), the shaft sleeve (9) can lift at the periphery of the connecting shaft (8), a limited rotation structure is arranged between the shaft sleeve (9) and the connecting shaft (8), and the shaft sleeve (9) is connected with a first power source (6) for driving the shaft sleeve to lift.

3. The idler mounting and sensing apparatus of claim 2, wherein: the rotation limiting structure comprises a convex strip vertically arranged on the periphery of the connecting shaft (8), and a groove matched with the convex strip is formed in the inner periphery of the shaft sleeve (9).

4. The idler mounting and sensing apparatus of claim 2, wherein: the adjustable mounting seat (12) is installed at the lower end of the shaft sleeve (9), and a detachable tightening head (7) is arranged in the mounting seat (12).

5. The idler mounting and sensing apparatus of claim 1, wherein: the frame (25) is fixedly provided with an upright post (33), a connecting piece (34) is installed on the periphery of the upright post (33), and the other end of the connecting piece (34) is connected with a servo motor (5).

6. The idler mounting and sensing apparatus of claim 5, wherein: the connecting piece (34) is internally provided with a bearing seat (14), an output shaft of the servo motor (5) is provided with a connecting shaft (8), the outer side of the upper end of the connecting shaft (8) is rotatably installed on the bearing seat (14) through a plane bearing (15), a movable support plate (16) is installed on the periphery of the shaft sleeve (9), a second bearing (17) is arranged between the movable support plate (16) and the shaft sleeve (9), and the other end of the movable support plate (16) is connected with a first power source (6) for driving the movable support plate to move.

7. The idler mounting and detection apparatus of claim 6, wherein: a buffering support (18) is installed on one side of the power source I (6), a flexible buffering block (19) is arranged on the buffering support (18), and the buffering block (19) is located below the power source I (6).

8. The idler mounting and sensing apparatus of claim 1, wherein: the device is characterized by further comprising a second positioning unit (20) used for placing the fixed base (1), wherein a laser displacement sensor (21) used for detecting the flatness of the upper end face of the wheel body of the idler wheel is mounted above the second positioning unit (20).

9. The idler mounting and detection apparatus of claim 8, wherein: one side of the second positioning unit (20) is provided with an installation frame (22), a rotary power source (23) is arranged on the installation frame (22), and the laser displacement sensor (21) is installed at the output end of the rotary power source (23).