CN209140608U - Cutting machine - Google Patents

Abstract

The utility model discloses a kind of cutting machines, including angle grinder body (1), shield (6) are fixed on the front cover (3) of the angle grinder body (1), shield (6) is equipped with the movable shield (9) that can be slided relatively, the reset spring (8) for opening movable shield (9) always is equipped between shield (6) and movable shield (9), the head of movable shield (9) is fixed with baffle (12), at least provided with one group of idler wheel (11) on baffle (12), idler wheel (11) drives movable shield (9) to shrink automatically when encountering barrier, movable shield (9) is automatic under reset spring (8) effect when clearing the jumps opens；Cutting sheet (16) are fixed with by upper lower platen (15,17) on the output shaft (4) of angle grinder body (1).Using after this structure, having many advantages, such as that simple and reasonable, angle grinds/cut that conversion speed is fast, easy for operation, work efficiency is high, a tractor serves several purposes.

Description

Cutting machine

Technical field

The utility model relates to power tools technology field, especially a kind of cutting machine that not only can be used as uses but also can make The cutting machine used for angle grinder.

Background technique

Angle grinder is to be ground, removed to metal component using high-speed rotating disc wheel, elastic grinding wheel, wire wheel etc. Rust, polishing processing.Angle grinder is adapted to grinding and brushing metal and stone material, if installed on such machine suitable attached Part can also carry out grinding and polishing operation, therefore be widely used in all trades and professions.But existing angle grinder is in use Have the following problems: although first is that can be carried out grinding, derusting, polishing processing, cannot be used for material or tubing cutting, can not It slots on metope or ground, so many users other than configuring angle grinder, also need to be equipped with cutting machine, not only increases user Purchase machine cost, and be unfavorable for carrying and collect.Second is that the upper bearing (metal) design on output shaft is unreasonable, often damaged in use process It is bad, it is further improved.Third is that mechanical strength is low, and the rate of wear is fast since self-lock pin is directly contacted with aluminium head capsule, also need It is further improved.For this purpose, many manufacturers and knowledgeable people are developed and developed, but produced so far there has been no preferable Product emerge.

Summary of the invention

To overcome the above problem existing for existing angle grinder, the purpose of this utility model is to develop a kind of structure simply to close Reason, angle grind/cut that conversion speed is fast, easy for operation, work efficiency is high, the cutting machine of a tractor serves several purposes.

The utility model solves technical solution used by above-mentioned technical problem, it includes angle grinder body, the angle grinder Be fixed with dismountable shield on the front cover of body, be symmetrically arranged with guide pin on shield, movable shield by shield sliding slot with Guide pin cooperation is slidably disposed on shield, and being equipped between shield and movable shield opens movable shield always Reset spring, the head of movable shield are fixed with baffle, at least provided with one group of idler wheel on baffle, drive when idler wheel encounters barrier Movable shield is shunk automatically increases cutting angle, and movable shield is opened automatically under action of reset spring when clearing the jumps；Angle Dismountable cutting sheet is fixed with by upper lower platen on the output shaft of grinding machine body.

The head capsule of the further scheme of the utility model, the angle grinder body is equipped with bottom plate fixation hole, bottom plate fixation hole On be fixed with the bottom plate for facilitating cutting to support, the bottom plate being fixed on head capsule is vertical with cutting sheet.

The further scheme of the utility model, the shield are equipped with the spray head of water spray dedusting.

The further scheme of the utility model is equipped with transmission mechanism, transmission mechanism packet on the head capsule of the angle grinder body Include bevel pinion, bevel gear wheel, output shaft, bevel pinion is fixed on motor shaft, bevel gear wheel be fixed on output shaft and with Bevel pinion engagement, one end of output shaft are mounted on head capsule by needle bearing, and the other end of output shaft passes through deep hook bearing It is installed the front cover.

The further scheme of the utility model is equipped with disassembly self-locking mechanism on the head capsule of the angle grinder body, Dismantling self-locking mechanism includes from lock nut, self-locking spring, self-lock pin, self-lock pin inserts, and self-lock pin inserts is embedded on head capsule, self-locking Pin can be mounted on up or down on self-lock pin inserts, and one end of self-lock pin is fixed from lock nut, the other end and bevel gear wheel Location hole matches, and self-locking spring is arranged on the self-lock pin between lock nut and self-lock pin inserts.

The further scheme of the utility model is fixed with the side handle convenient for operation on the head capsule of the angle grinder body.

The further scheme of the utility model, the shield are equipped with anchor ear, the front cover of angle grinder body be equipped with The card slot of anchor ear cooperation.

After adopting the above structure, it has the following advantages compared with prior art and effect: first is that a tractor serves several purposes, can not only make It is used for angle grinder, and can be used as cutting machine use, further increase the use function of product.Second is that since activity is protected Cutting angle can not only be greatly increased, but also can be into one with respect to shield automatic open-close by covering under action of reset spring Step improves security performance when using.Third is that the baffle in movable shield can form effective block in cutting process Barrier blocks the dust generated in cutting process, powder.Fourth is that drive activity is protected when idler wheel encounters barrier in use Cover is automatic to be shunk, and movable shield is opened automatically under action of reset spring when clearing the jumps, and movable shield can opposite protection It covers in the range of 0-90 degree and moves.Fifth is that output shaft upper bearing (metal) can increase contact surface using needle bearing, it is ensured that defeated Shaft stability of rotation greatly improves the service life of product.Sixth is that due to installing self-lock pin inserts on head capsule, it is possible to reduce head Shell abrasion, facilitates maintenance, further increases the service life of product.

Detailed description of the invention

Fig. 1 is the decomposition texture schematic diagram of the utility model.

Fig. 2 is the fit structure schematic diagram of the utility model transmission mechanism.

Fig. 3 is the overlooking structure diagram of the utility model head section.

Fig. 4 is that the K-K section of the utility model Fig. 3 dismantles the fit structure schematic diagram of self-locking mechanism.

Fig. 5 is fit structure schematic diagram when the utility model is used for cutting machine.

Fig. 6 is fit structure schematic diagram when the utility model is used for angle grinder.

Wherein 1 angle grinder body, 2 head capsules, 3 front covers, 4 output shafts, 5 side handles, 6 shields, 7 anchor ears, 8 reset springs, 9 Movable shield, 10 shield sliding slots, 11 idler wheels, 12 baffles, 13 bottom plates, 14 spray heads, 15 top boards, 16 cutting sheets, 17 lower platens, 18 bevel pinions, 19 needle bearings, 20 bevel gear wheels, 21 card slots, 22 from lock nut, and 23 self-locking springs, 24 self-lock pin inserts, 25 certainly Lock pin, 26 location holes, 27 wheel guards, 28 grinding wheels.

Specific embodiment

It is specific embodiment when the utility model cutting machine is used as cutting machine, it includes shown in Fig. 1 to Fig. 5 Angle grinder body 1, angle grinder body portion can use the patent of invention of entitled " brushless dc power driven tools ", and Authorization Notice No. is CN105762985B is fixed with dismountable shield 6 on the front cover 3 of the angle grinder body 1, is symmetrically arranged with and leads on shield 6 To pin, movable shield 9 is slidably disposed on shield 6 by shield sliding slot 10 and guide pin cooperation, shield 6 and activity The reset spring 8 for opening movable shield 9 always is equipped between shield 9, the head of movable shield 9 is fixed with baffle 12, baffle At least provided with one group of idler wheel 11 on 12, idler wheel 11 drives movable shield 9 to shrink increase cutting angle automatically when encountering barrier, more Movable shield 9 is opened automatically under the effect of reset spring 8 when crossing barrier；Pass through upper lower platen on the output shaft 4 of angle grinder body 1 15,17 it is fixed with dismountable cutting sheet 16.It is fixed on the head capsule 2 of the angle grinder body 1 for operating easily, convenient for operation Side handle 5.In order to facilitate cutting and controlling depth of cut, the head capsule 2 of the angle grinder body 1 is equipped with bottom plate fixation hole, The bottom plate 13 for facilitating cutting to support is fixed on bottom plate fixation hole, the bottom plate 13 being fixed on head capsule 2 is vertical with cutting sheet 16.

Dust is cut in order to prevent and powder pollutes environment, and the shield 6 is equipped with the spray head 14 of water spray dedusting.

In order to further increase the mechanical performance of angle grinder body 1, driver is installed on the head capsule 2 of the angle grinder body 1 Structure, transmission mechanism include bevel pinion 18, bevel gear wheel 20, output shaft 4, and bevel pinion 18 is fixed on motor shaft, auger tooth Wheel 20 is fixed on output shaft 4 and engages with bevel pinion 18, and one end of output shaft 4 is mounted on head capsule 2 by needle bearing 19 On, the other end of output shaft 4 is mounted on front cover 3 by deep hook bearing.Disassembly is installed on the head capsule 2 of the angle grinder body 1 Self-locking mechanism, disassembly self-locking mechanism includes from lock nut 22, self-locking spring 23, self-lock pin 25, self-lock pin inserts 24, self-lock pin inserts 24 are embedded on head capsule 2, and self-lock pin 25 can be mounted on up or down on self-lock pin inserts 24, and one end of self-lock pin 25 is fixed certainly Lock nut 22, the other end are matched with the location hole 26 on bevel gear wheel 20, and the setting of self-locking spring 23 is from lock nut 22 and self-lock pin On self-lock pin 25 between inserts 24.

In order to guarantee that installation is reliable, the shield 6 is equipped with anchor ear 7, and the front cover 3 of angle grinder body 1 is equipped with and embraces The card slot 21 of 7 cooperation of hoop.

It is specific embodiment when the utility model cutting machine is used as angle grinder shown in Fig. 6, wheel guard 27 is installed It is fixed on the card slot 21 of 1 front cover 3 of angle grinder body, then grinding wheel is fixed on output shaft by upper lower platen 15,17 It is used as angle grinder.

The above, only specific embodiment of the utility model, not makes in any form the utility model Limitation, on the basis of not departing from the technical solution of the utility model, made simple modification, equivalent variations or modification are fallen Enter the protection scope of the utility model.

Claims (7)

1. a kind of cutting machine, including angle grinder body (1), it is characterized in that: being fixed on the front cover (3) of the angle grinder body (1) can The shield (6) of disassembly, guide pin is symmetrically arranged on shield (6), and movable shield (9) passes through shield sliding slot (10) and guide pin Cooperation is slidably disposed on shield (6), and being equipped between shield (6) and movable shield (9) makes movable shield (9) always The reset spring (8) of opening, the head of movable shield (9) are fixed with baffle (12), at least provided with one group of idler wheel on baffle (12) (11), it drives movable shield (9) to shrink automatically when idler wheel (11) encounters barrier and increases cutting angle, it is movable when clearing the jumps Shield (9) is automatic in the case where reset spring (8) act on to be opened；On the output shaft (4) of angle grinder body (1) by upper lower platen (15, 17) dismountable cutting sheet (16) are fixed with.

2. cutting machine according to claim 1, it is characterized in that: the head capsule (2) of the angle grinder body (1) is solid equipped with bottom plate Determine hole, the bottom plate (13) for facilitating cutting to support is fixed on bottom plate fixation hole, the bottom plate (13) being fixed on head capsule (2) and cutting Piece (16) is vertical.

3. cutting machine according to claim 1, it is characterized in that: the shield (6) is equipped with the spray of water spray dedusting Head (14).

4. cutting machine according to claim 1 or 2 or 3, it is characterized in that: being installed on the head capsule (2) of the angle grinder body (1) There is transmission mechanism, transmission mechanism includes bevel pinion (18), bevel gear wheel (20), output shaft (4), and bevel pinion (18) is fixed on On motor shaft, bevel gear wheel (20) is fixed on output shaft (4) and engages with bevel pinion (18), and one end of output shaft (4) is logical It crosses needle bearing (19) to be mounted on head capsule (2), the other end of output shaft (4) is mounted on front cover (3) by deep hook bearing.

5. cutting machine according to claim 4, it is characterized in that: being equipped with disassembly on the head capsule (2) of the angle grinder body (1) Self-locking mechanism, disassembly self-locking mechanism include from lock nut (22), self-locking spring (23), self-lock pin (25), self-lock pin inserts (24), certainly Lock pin inserts (24) is embedded on head capsule (2), and self-lock pin (25) can be mounted on up or down on self-lock pin inserts (24), self-locking One end fixation of pin (25) is matched from the location hole (26) on lock nut (22), the other end and bevel gear wheel (20), self-locking spring (23) it is arranged on the self-lock pin (25) between lock nut (22) and self-lock pin inserts (24).

6. cutting machine according to claim 5 is convenient for it is characterized in that: being fixed on the head capsule (2) of the angle grinder body (1) The side handle (5) of operation.

7. cutting machine according to claim 6, it is characterized in that: the shield (6) is equipped with anchor ear (7), angle grinder The front cover (3) of body (1) is equipped with the card slot (21) cooperated with anchor ear (7).