CN208516608U - A kind of roller central spindle - Google Patents

Abstract

The utility model discloses a kind of roller central spindles, including upper housing, lower case, support plate and bottom plate, support plate is provided with above the bottom plate, lower case is provided with above support plate, threaded rod is fixedly connected in the middle part of the lower end of lower case, the lower end outside of threaded rod is threaded with screwed pipe, driven gear is fixedly connected on screwed pipe, driving gear is provided on the right side of driven gear, drive rod is fixedly connected on the right side of driving gear, the upper end of lower case is provided with upper housing, upper housing and lower case are internally provided with more central spindles, upper housing and the intracorporal central spindle of lower casing pass through 3rd bearing and are rotatablely connected respectively with upper housing and the side wall of lower case, roller is fixedly connected in the middle part of central spindle, the utility model structure is simple, design is reasonable, by the rolling of two row rollers in upper housing and lower case so that material and mould The defects of coefficient of friction between tool is preferably minimized, and prevents product from generating scar and scratching.

Description

A kind of roller central spindle

Technical field

The utility model relates to a kind of roller central spindle, specifically a kind of roller central spindle.

Background technique

It is a kind of call of Hong Kong over there that CNC, which is called and does computer gong, CNCCH or numerically-controlled machine tool in fact, is passed to continent later Pearl River Delta is exactly CNC milling machine in fact, cries that " CNC machining center, general CNC processing are typically referred to someone in wide, Jiangsu-zhejiang Shanghai Area one Precision machinery processing, CNC lathe for machining, CNC processing milling machine, CNC processing boring and milling machine etc., numerically controlled lathe feeding processing route refers to vehicle Knife is to knife point setting in motion, until returning to the point and terminating processing program paths traversed, the road including machining Diameter and cutter such as cut, cut out at the non-cutting idle stroke path.

When CNC board is processed using mould/jig, since the coefficient of friction between material and mold is higher, It is easy so that the defects of product generates scratch and scratches, reduces the quality of product, it is therefore desirable to the friction of equipment reduction material Coefficient, the modern times reduce the equipment of coefficient of friction, and not only working efficiency is low, but also is inconvenient to move, the assembly and disassembly of production line compared with For trouble, while modern comfort is inconvenient to carry out height adjustment, and practicability is poor.

Utility model content

The purpose of this utility model is to provide a kind of roller central spindles, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A kind of roller central spindle, including upper housing, lower case, support plate and bottom plate, the fixed peace in the lower end two sides of the bottom plate Equipped with wheel carrier, it is rotatably equipped with wheel in wheel carrier, support plate is provided with above bottom plate, two sides between support plate and bottom plate Be provided with muti-piece support base, opened up on the corresponding position in lower surface of the upper surface support plate of support base it is fluted, in groove It is fixedly connected with Rubber shock-absorbing pad, the Rubber shock-absorbing pad of upper and lower ends is fixedly connected by decoupling rod；The top of the support plate It is provided with lower case, is fixedly connected between lower case and the two sides of support plate by telescopic rod；In the middle part of the lower end of the lower case Be fixedly connected with threaded rod, the lower end outside of threaded rod is threaded with screwed pipe, the lower section of screwed pipe by first bearing with The upper surface of support plate is rotatablely connected；It is fixedly connected with driven gear on the screwed pipe, is provided with master on the right side of driven gear Moving gear is intermeshed between driven gear and driving gear；It is fixedly connected with drive rod on the right side of the driving gear, drives Bar is rotatably connected to fixed plate by second bearing, and fixed plate is fixedly connected with support plate；The upper end of the lower case is provided with Upper housing, upper housing and lower case are internally provided with more central spindles, and upper housing and the intracorporal central spindle of lower casing pass through third axis It holds and is rotatablely connected respectively with upper housing and the side wall of lower case, the intracorporal central spindle of upper casing is set with the intracorporal central spindle one-to-one correspondence of lower casing It sets, roller is fixedly connected in the middle part of central spindle.

Further, the lower end of the support base is fixedly connected by damping spring with the upper surface of bottom plate.

Further, the telescopic rod includes mutually sliding the outer tube being arranged and inner tube.

Further, the driven gear and driving gear are bevel gear.

Further, the drive rod is fixedly connected with rotating handles far from one end of driving gear.

Further, the upper housing and lower case are concave structure.

Compared with prior art, the utility model has the beneficial effects that the present apparatus by by material be put into upper housing with Between lower case, by the rolling of two row rollers in upper housing and lower case so that the coefficient of friction between material and mold drops to It is minimum, prevent product from generating the defects of scar is with scratching, device is moved easily by the wheel in wheel carrier, facilitates production line Assembling, in moving process, can effectively reduce the shake generated in device moving process by Rubber shock-absorbing pad and damping spring Dynamic, anti-locking apparatus damage drives rotated threaded tubular by driving gear and driven gear, due to screw thread by rotation of drive rod Bar is threadedly coupled with screwed pipe, and in addition the two sides of support plate and lower case are connected by telescopic rod, guarantees that lower case will not occur Rotation, so that threaded rod is relatively moved with screwed pipe, so that the height of upper housing and lower case can carry out It adjusts, and then improves the practicability of device.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of roller central spindle.

Fig. 2 is the side view of upper housing and lower case in roller central spindle.

Fig. 3 is the top view of support base in roller central spindle.

Specific embodiment

The technical solution of the patent is explained in further detail With reference to embodiment.

Please refer to Fig. 1-3, a kind of roller central spindle, including upper housing 1, lower case 4, support plate 14 and bottom plate 13, the bottom The lower end two sides of plate 13 are fixedly installed with wheel carrier 22, and wheel is rotatably equipped in wheel carrier 22, and the top of bottom plate 13 is provided with Support plate 14, two sides are provided with muti-piece support base 11, the upper surface support plate 14 of support base 11 between support plate 14 and bottom plate 13 The corresponding position in lower surface on open up fluted 15, Rubber shock-absorbing pad 17 is fixedly connected in groove 15, upper and lower ends Rubber shock-absorbing pad 17 is fixedly connected by decoupling rod 16, and the lower end of support base 11 passes through the upper surface of damping spring 12 and bottom plate 13 It is fixedly connected；

The top of the support plate 14 is provided with lower case 4, passes through telescopic rod between lower case 4 and the two sides of support plate 14 5 are fixedly connected, and telescopic rod 5 includes mutually sliding the outer tube being arranged and inner tube；It is fixedly connected in the middle part of the lower end of the lower case 4 Threaded rod 6, the lower end outside of threaded rod 6 are threaded with screwed pipe 7, and the lower section of screwed pipe 7 passes through first bearing 10 and support The upper surface of plate 14 is rotatablely connected；Driven gear 8 is fixedly connected on the screwed pipe 7, the right side of driven gear 8 is provided with master Moving gear 9, driven gear 8 and driving gear 9 are bevel gear, are intermeshed between driven gear 8 and driving gear 9；It is described The right side of driving gear 9 is fixedly connected with drive rod 20, and drive rod 20 is fixedly connected with rotation handle far from one end of driving gear 9 Hand 21, drive rod 20 are rotatably connected to fixed plate 18 by second bearing 19, and fixed plate 18 is fixedly connected with support plate 14；

The upper end of the lower case 4 is provided with upper housing 1, and upper housing 1 and lower case 4 are concave structure, 1 He of upper housing Lower case 4 is internally provided with more central spindles 2, the central spindle 2 in upper housing 1 and lower case 4 by 3rd bearing 23 respectively with Upper housing 1 and the side wall of lower case 4 are rotatablely connected, and the central spindle 2 in upper housing 1 is set with the one-to-one correspondence of central spindle 2 in lower case 4 It sets, the middle part of central spindle 2 is fixedly connected with roller 3.

The working principle of the utility model is: the present apparatus is led to by the way that material to be put between upper housing 1 and lower case 4 The rolling of two row rollers 3 in upper housing 1 and lower case 4 is crossed so that the coefficient of friction between material and mold is preferably minimized, is prevented The defects of product generates scar and scratches, device is moved easily by the wheel in wheel carrier 22, facilitates the assembling of production line, In moving process, the vibration generated in device moving process can be effectively reduced by Rubber shock-absorbing pad 17 and damping spring 12, Anti- locking apparatus damage drives screwed pipe 7 to rotate, due to spiral shell by rotation of drive rod 20 by driving gear 9 and driven gear 8 Rasp bar 6 is threadedly coupled with screwed pipe 7, and in addition support plate 14 is connect with the two sides of lower case 4 by telescopic rod 5, guarantees lower case 4 It will not rotate, so that threaded rod 6 is relatively moved with screwed pipe 7, so that upper housing 1 and lower case 4 Height can be adjusted, and then improve the practicability of device.

The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective It makes a variety of changes.

Claims (6)

1. a kind of roller central spindle, including upper housing, lower case, support plate and bottom plate, which is characterized in that the lower end two of the bottom plate Side is fixedly installed with wheel carrier, and wheel is rotatably equipped in wheel carrier, support plate, support plate and bottom plate are provided with above bottom plate Between two sides be provided with muti-piece support base, offered on the corresponding position in lower surface of the upper surface support plate of support base recessed Slot is fixedly connected with Rubber shock-absorbing pad in groove, and the Rubber shock-absorbing pad of upper and lower ends is fixedly connected by decoupling rod；The support It is provided with lower case above plate, is fixedly connected between lower case and the two sides of support plate by telescopic rod；The lower case It is fixedly connected with threaded rod in the middle part of lower end, the lower end outside of threaded rod is threaded with screwed pipe, and the lower section of screwed pipe passes through the The rotation connection of the upper surface of one bearing and support plate；Driven gear, the right side of driven gear are fixedly connected on the screwed pipe It is provided with driving gear, is intermeshed between driven gear and driving gear；Drive is fixedly connected on the right side of the driving gear Lever, drive rod are rotatably connected to fixed plate by second bearing, and fixed plate is fixedly connected with support plate；The lower case it is upper End is provided with upper housing, and upper housing and lower case are internally provided with more central spindles, and upper housing and the intracorporal central spindle of lower casing are logical It crosses 3rd bearing to be rotatablely connected with upper housing and the side wall of lower case respectively, the intracorporal central spindle of upper casing and the intracorporal central spindle one of lower casing One is correspondingly arranged, and roller is fixedly connected in the middle part of central spindle.

2. roller central spindle according to claim 1, which is characterized in that the lower end of the support base passes through damping spring and bottom The upper surface of plate is fixedly connected.

3. roller central spindle according to claim 1, which is characterized in that the telescopic rod includes mutually sliding the outer tube being arranged And inner tube.

4. roller central spindle according to claim 1, which is characterized in that the driven gear and driving gear are cone tooth Wheel.

5. roller central spindle according to claim 1, which is characterized in that the drive rod is fixed far from one end of driving gear It is connected with rotating handles.

6. roller central spindle according to claim 1, which is characterized in that the upper housing and lower case are concave structure.