CN2933768Y

CN2933768Y - Electric wood milling machine

Info

Publication number: CN2933768Y
Application number: CN 200620129215
Authority: CN
Inventors: 钟红风
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2006-07-28
Filing date: 2006-07-28
Publication date: 2007-08-15
Anticipated expiration: 2016-07-28

Abstract

The utility model discloses a stationary base type electric router which comprises a base, a working mechanism and a display device, and the working mechanism is screwed to the base. The display device includes a position sensor, a processor and a display unit, which are electrically connected with each other. The position sensor collects the relative movement of the screw motion relative to the base, and the processor receives the movement and converts that to the position signal which is displayed in the display device. The utility model electric router can accurately display depth of the cutter, simply the depth adjusting process and make the depth adjusting much more intuitionistic and accurate.

Description

Bakelite mills

Technical field

The utility model relates to a kind of bakelite and mills, and especially a kind of fixed pedestal formula bakelite that has display unit mills.

Background technology

It is a kind of electric tool that is generally used for timber processing that bakelite mills, especially for workpiece is slotted, cutting, fine finishining, deburring and the operation of other rotary cutting.Having during cutting operation the fixing bakelite that keeps the relative pedestal degree of depth of cutting tool mills and is commonly referred to fixed pedestal formula bakelite and mills.Using fixed pedestal formula bakelite to mill in the process of processing, often needing to regulate cutter and stretch out the degree of depth of base plate to satisfy various process requirements.People process at the electricity consumption wood milling machine, regulate in the process of the cutter degree of depth, need on workpiece, try to cut usually, and the cutting depth on the measuring workpieces then, and regulate the cutter degree of depth again according to measurement result, all need repeated multiple times just can reach desired depth usually.This depth adjustment mode is time-consuming but also inaccuracy not only.Therefore, this just needs a kind of bakelite with display unit to mill, and is convenient for people to regulate so that the cutter degree of depth is shown accurately.

The utility model content

Technical problem to be solved in the utility model is: provide a kind of fixed pedestal formula bakelite that has display unit to mill, can accurately show the cutter degree of depth.

The technical solution of the utility model is: a kind of fixed pedestal formula bakelite mills, comprise pedestal, working head and display unit, wherein said working head is connected with described pedestal spiral, described display unit comprises position sensor, processor and the display that electrically connects mutually, described position sensor is gathered the amount of exercise of the screw of the described relatively pedestal of described working head, and described processor receives described amount of exercise and is converted to position signalling and shows on described display.

The utility model bakelite mills because of having adopted display unit accurately to show the cutter degree of depth, has simplified the process of depth adjustment, makes depth adjustment more directly perceived, and is more accurate.

Description of drawings

Fig. 1 is the front view that the utility model first preferred embodiment bakelite mills.

Fig. 2 is the rearview that the utility model first preferred embodiment bakelite mills.

Fig. 3 is the working head that the utility model first preferred embodiment bakelite mills.

Fig. 4 is the pedestal that the utility model first preferred embodiment bakelite mills.

Fig. 5 be the utility model first preferred embodiment bakelite mill along A-A among Fig. 1 to partial sectional view.

Fig. 6 be the utility model first preferred embodiment bakelite mill along B-B among Fig. 1 to partial sectional view.

Fig. 7 is the stereogram of first counting scale of the utility model first preferred embodiment position sensor.

Fig. 8 is the stereogram of second counting scale of the utility model first preferred embodiment position sensor.

Fig. 9 is the stereogram of the 3rd counting scale of the utility model first preferred embodiment position sensor.

Figure 10 is the partial sectional view that the utility model second preferred embodiment bakelite mills.

Figure 11 be the utility model second preferred embodiment bakelite mill along C-C among Figure 10 to partial sectional view.

Wherein:

1 pedestal; 10 flexible members; 11 base plates; 12 supporting walls; 121 helicla flutes;

122V shape straight trough; 13 handles; 14 supports; 15 supports; 16 bolts;

17 bevel gears; 171 convex tendons; 18 gear shafts; 181 pinions; 182 gear wheels;

19 gear shafts; 191 pinions; 2 working heads; 21 shells; 22 cutters;

211 pilot pins; 212 straight troughs; 3 display unit; The 31a position sensor; The 32a counter;

33a first counting scale; The 331a centre bore; The 332a through hole; 34a second counting scale; The 341a striped;

35a the 3rd counting scale; The 351a magnet; The 31b position sensor; The 32b fixed grid; The 33b moving grid;

32 displays; 33 reset switches; 34 power switches; 35 change-over switches

The specific embodiment

Shown in seeing figures.1.and.2, in the utility model first preferred embodiment, a kind of bakelite mills and comprises pedestal 1, working head 2 and be installed in display unit 3 on the pedestal 1.Pedestal 1 comprises base plate 11, by base plate 11 upwardly extending supporting walls 12 and be arranged on handle 13 on the supporting walls 12, wherein supporting walls 12 is an open annular, be respectively arranged with the support 14,15 of (not shown) with threaded hole in the both sides of its opening, support 14 is fixedlyed connected by the bolt 16 that passes its screwed hole with support 15.The cutter 22 that working head 2 comprises shell 21 and is housed in the motor (not shown) in the shell 21 and rotated by motor-driven.Display unit 3 comprises the power supply (not shown) that electrically connects mutually, position sensor (is seen the 31a among Fig. 5,31b among Figure 10), processor (not shown), display 32, reset switch 33, power switch 34 and change-over switch 35, wherein reset switch 33 is used for the digital zero setting with display 32, change-over switch 35 is used for selecting to show numerical value unit between the English system and the metric system, the power supply of display unit 3 both can be dc source such as battery, also can be that AC power is joined AC/DC converting circuit, display 32 also can be light-emitting diode display or LCD display.

With reference to Fig. 3 and shown in Figure 4, the shell 21 of working head 2 is provided with pilot pin 211, the inboard of supporting walls 12 is provided with the helicla flute 121 of accommodating pilot pin 211, and working head 2 is housed in the supporting walls 12 by pilot pin 211 and the helicla flute 121 that cooperatively interacts, and pedestal 1 spiral rises or descends relatively.According to inventive concept of the present utility model, also can on the shell 21 of working head 2, external screw thread be set, the internal thread of coupling is set in the inboard of supporting walls 12, working head 2 and supporting walls 12 spiral of realizing working head 2 relative pedestals 1 that is threaded rises or decline.Equally, pilot pin in the utility model preferred embodiment or external screw thread also can be arranged on the supporting walls 12, and helicla flute or internal thread also can be arranged on realizes on the shell 21 of working head 2 that working head 2 is connected with the spiral of pedestal 1.

With reference to Fig. 5 and shown in Figure 6, the inventive concept of the utility model first preferred embodiment is the circular motion component of position sensor 31a collecting work head 2 relative pedestal 1 screws.Position sensor 31a comprises counter 32a that is fixed on the pedestal 1 and the counting scale 33a that is driven rotation by working head 2.The shell 21 of working head 2 circumferentially evenly is provided with three axial straight troughs 212.Pedestal 1 also comprises annular bevel gear 17, gear shaft 18 and the gear shaft 19 that is rotatably installed on the annular support wall 12, wherein also is provided with the convex tendon 171 in the straight trough 212 that can be housed on the working head 2 on the bevel gear 17; Gear shaft 18 1 ends are provided with the pinion 181 with bevel gear 17 engagements, and the other end is set with gear wheel 182; One end of gear shaft 19 is provided with the pinion 191 with gear wheel 182 engagement of gear shaft 18, and the other end is fixedly connected with counting scale 33a.When rotary work head 2, working head 2 drives bevel gear 17 rotations by straight trough 212 and the convex tendon 171 that connects mutually, and bevel gear 17 and then drive pitch wheel axle 18 and 19 rotations are rotated in counter 32a thereby drive counting scale 33a.

With reference to shown in Figure 7, counter 32a is a photoelectric counter, counting scale 33a comprises the centre bore 331a that connects with gear shaft 19 and evenly is arranged on a plurality of through hole 332a on the circumference, when counting scale 33a rotates in photoelectric counter 32a, counter 32a notes the number of the through hole 332a that passes through and data is passed to processor, is converted to corresponding position signalling by processor and shows on display 32.In this preferred embodiment, the counting scale 34a that position sensor 31a can also use light transmissive material to make evenly is provided with a plurality of lighttight striped 341a as shown in Figure 8 on the circumference of counting scale 34a.Same counter 32a in the utility model first preferred embodiment also can be the Hall element that industry is known, and evenly is provided with a plurality of magnet 351a as shown in figure 10 on the circumference of counting scale 35a at this moment.

Referring to Figure 10 and shown in Figure 11, the inventive concept of second preferred embodiment of the present utility model is the rectilinear motion component of the screw of position sensor 31b collecting work head 2 relative pedestals 1, position sensor 31b holds the grid position sensor in this preferred embodiment, and it comprises fixed grid 32b and moving grid 33b.Bakelite in the utility model second preferred embodiment mills and comprises the axial V-arrangement straight trough 122 that is arranged on the supporting walls 12, is fixedly installed on fixed grid 32b in the V-arrangement straight trough 122, is close to fixed grid 32b and is housed in moving grid 33b and flexible member 10 in the V-arrangement straight trough 122 movably.The upper end of moving grid 33b is resisted against on the lower surface of working head 2, and an end of flexible member 10 is resisted against on the base plate 11 of pedestal 1, and the other end is resisted against on the lower surface of moving grid 33b; When working head 2 relative pedestal 1 spirals risings or spiral decline, moving grid 33b moves up under flexible member 10 elastic force effects or compression elastic element 10 moves down, and also be rectilinear motion component during the spiral of working head 2 relative pedestals 1 rises or descends with this amount of exercise, be delivered to processor and be converted to corresponding position signalling and on display 32, show by processor.

When the bakelite that uses the utility model preferred embodiment mills the cutting depth of adjusting cutter, at first bakelite is milled and be placed on the power switch 34 of opening display unit on the working face, unclamp the bolt 16 on the pedestal, rotary work head 2 makes working head 2 spiral in pedestal 1 descend, when the cutter on the working head 2 22 touches working face, stop the rotation and by reset switch 33, make the data zero setting of display 32; The side bakelite mills and continues rotary work head 2 and makes working head 2 relative pedestal 1 spirals descend then, cutter stretches out base plate 11, circular motion component or rectilinear motion component when position sensor collecting work head 2 relative pedestals 1 are spinned motion, after passing to processor and also being the degree of depth of cutter 22 relative base plates 11, on display 32, show by the degree of depth that processor is converted to working head 2 relative base plates 11; Working head 2 and bolt 16 lockings are got final product at last stops the rotation when arriving desired depth.

Claims

1. a fixed pedestal formula bakelite mills, comprise pedestal, working head and display unit, it is characterized in that: described working head connects with described pedestal spiral and can relative described pedestal screw, described display unit comprises position sensor, processor and the display that electrically connects mutually, described position sensor is gathered the amount of exercise of the screw of the described relatively pedestal of described working head, and described processor receives described amount of exercise and is converted to position signalling and shows on described display.

2. fixed pedestal formula bakelite according to claim 1 mills, it is characterized in that: described pedestal comprises base plate and by the upwardly extending annular support wall of described base plate, one in the inwall of described supporting walls and the shell of described working head is provided with helicla flute, another is provided with the pilot pin that is housed in the described helicla flute, described working head is connected with described pedestal with helicla flute by the pilot pin that cooperatively interacts, and can rise or descend by described relatively pedestal spiral.

3. fixed pedestal formula bakelite according to claim 1 and 2 mills, and it is characterized in that: described position sensor is gathered the circular motion component of the screw of the described relatively pedestal of described working head.

4. fixed pedestal formula bakelite according to claim 3 mills, and it is characterized in that: described position sensor comprises the counting scale by described working head driven rotary, and is arranged on the counter on the described pedestal.

5. fixed pedestal formula bakelite according to claim 4 mills, and it is characterized in that: described counter is a photoelectric sensor, evenly is provided with a plurality of through holes on the described counting scale or evenly is provided with a plurality of lighttight stripeds on the counting scale of light transmissive material.

6. fixed pedestal formula bakelite according to claim 4 mills, and it is characterized in that: described counter is a Hall element, evenly is provided with a plurality of magnets on the described counting scale.

7. fixed pedestal formula bakelite according to claim 4 mills, and it is characterized in that: described working head drives described counting scale rotation by one-level driving gear pair at least.

8. fixed pedestal formula bakelite according to claim 7 mills, and it is characterized in that: described driving gear pair comprises an annular bevel gear at least, and described annular bevel gear and described working head connect and by described working head driven rotary.

9. fixed pedestal formula bakelite according to claim 1 and 2 mills, and it is characterized in that: described position sensor is gathered the rectilinear motion component of the screw of the described relatively pedestal of described working head.

10. fixed pedestal formula bakelite according to claim 9 mills, and it is characterized in that: described position sensor is a capacitor grid transducer, and described capacitor grid transducer comprises and is fixedly mounted on the fixed grid on the described pedestal and follows the moving grid that described working head moves together.