CN220993819U

CN220993819U - Broach grinding tool

Info

Publication number: CN220993819U
Application number: CN202323032210.2U
Authority: CN
Inventors: 孙培端; 周艳娇
Original assignee: Shanxi Sailecheng Electrical Protection System Co ltd
Current assignee: Shanxi Sailecheng Electrical Protection System Co ltd
Priority date: 2023-11-10
Filing date: 2023-11-10
Publication date: 2024-05-24
Anticipated expiration: 2033-11-10

Abstract

The utility model discloses a broach grinding tool which comprises a support, a mounting plate, a fixing frame, an inclined rod, a cushioning displacement mechanism, a motor, an abrasive belt, a roller transmission mechanism, an adjusting mechanism, a polishing plate, a clamping and fixing mechanism and a broach. Compared with the prior art, the method has the advantages that: 1. when the hand operation polishes the broach, the shake generated during polishing is reduced. 2. The polishing height angle can be adjusted during fixed polishing.

Description

Broach grinding tool

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a broach grinding tool.

Background

Broach grinder is a tool for grinding and dressing tools (e.g., blades, knives, cutting knives, etc.). The tool is mainly applied to the fields of industrial processing and manufacturing, and the broach grinding tool can recover sharpness and shape of the broach grinding tool through the cutting edge, the chip groove and other parts of the grinding tool, so that the cutting efficiency and the machining precision are improved. In general, the broach grinder can maintain and repair the sharpness and shape of the tool, and improve the machining efficiency and quality.

Most of the existing broach grinding tools are driven by numerical control machine tools, and a rotary grinding wheel or a grinding stone is generally adopted to process cutting edges and other specific areas of a cutter, so that the cutter grinding with different shapes and sizes can be realized by adjusting parameters and angles of a cutter grinding machine. However, in actual production, the manufacturing cost of the numerical control machine tool is extremely high, the function is complete and efficient, the production cost is high, the function of the existing semi-mechanized grinding tool is single, and when the broach is polished by manual operation, the shaking during polishing can not be relieved along with the strength of the force and the size of the broach; in addition, when polishing the fixed broach, the angle of the broach and the polished part cannot be flexibly adjusted, so that the polishing efficiency is low.

Disclosure of utility model

The utility model aims to solve the technical problems and provide a broach grinding tool which can reduce shake generated during manual grinding and can adjust the grinding height angle during fixed grinding.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

The broach grinding tool comprises a bracket, a mounting plate, a fixing frame, an inclined rod, a cushioning displacement mechanism, a motor, an abrasive belt, a roller transmission mechanism, an adjusting mechanism, a grinding plate, a clamping and fixing mechanism and a broach;

The right part of the support is fixedly provided with a mounting plate, the rear side surface of the mounting plate is fixedly provided with a motor, an output shaft of the motor penetrates through the mounting plate and then is connected with a roller transmission mechanism, the outer side of the roller transmission mechanism is sleeved with an abrasive belt, the right end of the support is fixedly provided with a fixing frame, the upper part of the fixing frame is fixedly connected with a diagonal rod, and a damping displacement mechanism is arranged between the bottom end of the diagonal rod and the support;

The left rear side face of the support is provided with an adjusting mechanism, the upper end of the adjusting mechanism is connected with a polishing plate, the left end and the right end of the upper side face of the polishing plate are respectively and fixedly provided with a clamping and fixing mechanism, and a broach is fixed between the two clamping and fixing mechanisms.

As an improvement, the roller transmission mechanism comprises a main roller, a driven roller I and a driven roller II; the output shaft of the motor is sleeved and fixed with a main roller, a driven roller I is arranged on the front side surface of the top end of the inclined rod, a driven roller II is respectively arranged on the front side surface of the left rod body of the support, and the main roller, the driven roller I and the driven roller II are in transmission connection through abrasive belts.

As an improvement, the shock absorption displacement mechanism comprises a sleeve, a sliding block, an ear plate, a top cover, a telescopic rod, a protective cylinder and a spring; the telescopic link is fixed in the dead lever bottom surface, and offered in the sleeve with slider sliding fit's recess, slider and sleeve sliding connection, the slider bottom is fixed with a pair of otic placode through bolt and nut hinge, and the otic placode bottom is fixed with the top cap, is fixed with the telescopic link on the bottom surface of top cap, and the telescopic link overcoat is equipped with the protective casing of fixing on the support, sliding connection between telescopic link and the inner wall of protective casing, and the protective casing outside is equipped with the spring of fixing between top cap bottom surface and support.

As an improvement, the adjusting mechanism comprises a fixed cylinder, an L-shaped cross rod, a vertical rod, an arc-shaped lug plate and a connecting rod; the fixed cylinder is fixed on the left rear side of the support, the L-shaped cross rod is sleeved in the fixed cylinder and is fixedly connected through fixing bolts arranged on the outer wall of the fixed cylinder, the right part of the L-shaped cross rod is a rod body which is vertical to the left and hollow in the right, the vertical rod is sleeved in the L-shaped cross rod and is fixedly connected through fixing bolts arranged on the outer wall of the L-shaped cross rod, a pair of arc-shaped lug plates are arranged on the top end of the vertical rod, a connecting rod is hinged between the arc-shaped lug plates through bolts and nuts, arc-shaped through grooves are formed in the arc-shaped lug plates, bolts are fixed on the front side and the rear side of the connecting rod, and the bolts pass through the arc-shaped through grooves and are fixed through nuts.

As an improvement, the clamping and fixing mechanism comprises a base, a fixing ring and a handle screw; the base is fixed on the upper side of the polishing plate, the top surface is of a triangular arc structure, fixing rings are fixed on the left side surface and the right side surface of the base, the fixing rings are rectangular and hollow plate-shaped structures, screw holes are reserved in the middle of the top surface of the fixing rings, and a threaded rod of a handle screw is in threaded connection with the screw holes.

Compared with the prior art, the utility model has the advantages that:

1. The utility model discloses when using, the sleeve is fixed in the dead lever bottom surface, and set up in the sleeve with slider sliding fit's recess, slider and sleeve sliding connection, the slider bottom is fixed with a pair of otic placode through bolt and nut hinge, the otic placode bottom is fixed with the top cap, be fixed with the telescopic link on the bottom surface of top cap, the telescopic link overcoat is equipped with the protective cylinder of fixing on the support, sliding connection between the inner wall of telescopic link and protective cylinder, and the protective cylinder outside is equipped with the spring of fixing between top cap bottom surface and support, when manual operation polishes the broach, alleviate the shake of the production when polishing.

2. The utility model discloses when using, fixed section of thick bamboo is fixed on the left part trailing flank of support, L shape horizontal pole cup joints in fixed section of thick bamboo, and through setting up the fixing bolt threaded connection on fixed section of thick bamboo outer wall fixed, L shape horizontal pole right part is vertical direction, inside hollow body of rod, the montant cup joints in L shape horizontal pole, and through setting up the fixing bolt threaded connection on L shape horizontal pole outer wall fixed, the montant top is equipped with a pair of arc otic placode, there is the connecting rod through bolt and nut hinge between the arc otic placode, the arc leads to the groove has been seted up on the arc otic placode, all be fixed with the bolt on the connecting rod front and back both sides face, the bolt passes behind the arc and leads to the groove through the nut fixed, the altitude angle of polishing when fixed polishing is adjustable.

Drawings

Fig. 1 is a schematic view of the appearance of the present utility model.

Fig. 2 is a schematic rear side structure of the present utility model.

Fig. 3 is a schematic cross-sectional view of a portion of the structure of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of the portion a of fig. 1 according to the present utility model.

As shown in the figure: 1. a bracket; 2. a mounting plate; 3. a fixing frame; 4. a diagonal rod; 5. a motor; 6. a sleeve; 7. a slide block; 8. ear plates; 9. a top cover; 10. a spring; 11. a telescopic rod; 12. a protective barrel; 13. abrasive belt; 14. a main roller; 15. a driven roller I; 16. a driven roller II; 17. a fixed cylinder; 18. a shaped cross bar; 19. a vertical rod; 20. arc-shaped ear plates; 21. a connecting rod; 22. polishing the plate; 23. a base; 24. a fixing ring; 25. a handle screw; 26. and (5) broaching.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

The present utility model will be described in further detail with reference to the accompanying drawings.

Example 1

Referring to fig. 1, 2 and 4, a broach grinding tool comprises a bracket 1, a mounting plate 2, a fixing frame 3, an inclined rod 4 and a motor 5, wherein the mounting plate 2 is fixedly arranged at the right part of the bracket 1, the motor 5 is fixedly arranged on the rear side surface of the mounting plate 2, the fixing frame 3 is fixedly arranged at the right end of the bracket 1, the fixing frame 3 is a pair of rod bodies, and the inclined rod 4 is fixedly connected to the top end of the fixing frame through bolts and nuts.

Besides, the belt sander further comprises a sanding belt 13, a main roller 14, a driven roller I15 and a driven roller II 16, the main roller 14 is sleeved and fixed on an output shaft of the motor 5, the driven roller I15 is arranged on the front side surface of the top end of the inclined rod 4, the driven roller II 16 is respectively arranged on the front side surface of the left rod body of the bracket 1 up and down, and the main roller 14, the driven roller I15 and the driven roller II 16 are in transmission connection through the sanding belt 13.

The embodiment further comprises a fixing barrel 17, an L-shaped cross rod 18, a vertical rod 19, an arc-shaped lug plate 20, a connecting rod 21, a polishing plate 22, a base 23, a fixing ring 24, a handle screw 25 and a broach 26, wherein the fixing barrel 17 is fixed on the rear side surface of the left part of the bracket 1, the L-shaped cross rod 18 is sleeved in the fixing barrel 17 and is fixedly connected through a fixing bolt thread arranged on the outer wall of the fixing barrel 17, the right part of the L-shaped cross rod 18 is a rod body with a vertical direction and a hollow inside, the vertical rod 19 is sleeved in the L-shaped cross rod 18 and is fixedly connected through a fixing bolt thread arranged on the outer wall of the L-shaped cross rod 18, the top end of the vertical rod 19 is provided with a pair of arc-shaped lug plates 20, the arc-shaped lug plates 20 are hinged with the connecting rod 21 through bolts and nuts, arc-shaped through grooves are formed in the arc-shaped lug plates 20, bolts are fixed on the front side surface and the rear side surfaces of the connecting rod 21 through the nuts after passing through the arc-shaped through grooves; the base 23 is fixed on the upper side of the polishing plate 22, the top surface is of a triangular arc structure, fixing rings 24 are fixed on the left side surface and the right side surface of the base 23, the fixing rings 24 are of rectangular and hollow plate-shaped structures, screw holes are reserved in the middle of the top surface of the fixing rings 24, a threaded rod of a handle screw 25 is in threaded connection with the screw holes, and the left end and the right end of a broach 26 are placed on the base 23 and are fixed through the handle screw 25.

The utility model is implemented in particular: when the fixed broach 26 needs to be polished, two ends of the broach 26 are placed on the base 23, then the handle screw 25 is rotated, so that the broach 26 is firmly fixed on the base 23, the length of the L-shaped cross rod 18 extending out of the fixed cylinder 17 is adjusted, the bolt screw between the two is fastened after the L-shaped cross rod 18 is adjusted to a proper position, then the bolt and the nut between the arc-shaped lug plate 20 and the connecting rod 21 are unscrewed, the angle of the polishing plate 22 is adjusted, the polished position of the broach 26 is aligned with the abrasive belt 13, the bolt and the nut are fastened, the motor 5 is started, the main roller 14 rotates along with the rotating shaft of the motor 5, the driven roller 15 and the driven roller 16 are driven to rotate, the abrasive belt 13 circularly rotates along with the rotation, and the broach 26 fixed on the polishing plate 22 is polished.

Example 2

Referring to fig. 1 and 3, the broach grinding tool further comprises a sleeve 6, a sliding block 7, an ear plate 8, a top cover 9, a spring 10, a telescopic rod 11 and a protective cylinder 12, wherein the sleeve 6 is fixed on the bottom surface of the inclined rod 4, a groove which is in sliding fit with the sliding block 7 is formed in the sleeve 6, the sliding block 7 is in sliding connection with the sleeve 6, a pair of ear plates 8 are hinged and fixed at the bottom end of the sliding block 7 through bolts and nuts, the top cover 9 is fixed at the bottom end of the ear plate 8, the telescopic rod 11 is fixed on the bottom surface of the top cover 9, the telescopic rod 11 is sleeved with the protective cylinder 12 fixed on the support 1, the telescopic rod 11 is in sliding connection with the inner wall of the protective cylinder 12, and the spring 10 fixed between the bottom surface of the top cover 9 and the support 1 is arranged on the outer side of the protective cylinder 12.

The utility model is implemented in particular: when the broach 26 is required to be polished by manual operation, the motor 5 is started to work, the abrasive belt 13 is enabled to rotate circularly, the broach 26 is manually held, the part, which needs to be polished, of the abrasive belt is placed on the abrasive belt 13 above the left side of the inclined rod 4, the broach 26 is polished, when polishing is performed, generated vibration is transmitted to the spring 10 through the sleeve 6, the spring 10 is compressed, the top cover 9 moves downwards, and the sliding block 7 slides in the sleeve 6 accordingly, so that shaking generated by polishing is reduced.

It should be noted that the motor 5 of the present invention is a known device, and the circuit connection and the control method thereof are all the prior art

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. Broach grinding apparatus, including support (1), its characterized in that: the device also comprises a mounting plate (2), a fixing frame (3), a diagonal rod (4), a cushioning displacement mechanism, a motor (5), an abrasive belt (13), a roller transmission mechanism, an adjusting mechanism, a polishing plate (22), a clamping and fixing mechanism and a broach (26);

the right part of the support (1) is fixedly provided with a mounting plate (2), the rear side surface of the mounting plate (2) is fixedly provided with a motor (5), an output shaft of the motor (5) penetrates through the mounting plate (2) and then is connected with a roller transmission mechanism, the outer side of the roller transmission mechanism is sleeved with an abrasive belt (13), the right end of the support (1) is fixedly provided with a fixing frame (3), the upper part of the fixing frame (3) is fixedly connected with a diagonal rod (4), and a cushioning displacement mechanism is arranged between the bottom end of the diagonal rod (4) and the support (1);

An adjusting mechanism is arranged on the rear side face of the left part of the bracket (1), the upper end of the adjusting mechanism is connected with a polishing plate (22), the left end and the right end of the upper side face of the polishing plate (22) are respectively and fixedly provided with a clamping and fixing mechanism, and a broach (26) is fixed between the two clamping and fixing mechanisms.

2. A broach grinder according to claim 1, wherein: the roller transmission mechanism comprises a main roller (14), a driven roller I (15) and a driven roller II (16); the output shaft of the motor (5) is sleeved and fixed with a main roller (14), the front side surface of the top end of the inclined rod (4) is provided with a driven roller I (15), the front side surface of the left rod body of the support (1) is provided with a driven roller II (16) up and down respectively, and the main roller (14), the driven roller I (15) and the driven roller II (16) are in transmission connection through an abrasive belt (13).

3. A broach grinder according to claim 1, wherein: the shock absorption displacement mechanism comprises a sleeve (6), a sliding block (7), an ear plate (8), a top cover (9), a telescopic rod (11), a protective cylinder (12) and a spring (10); sleeve (6) are fixed in diagonal bar (4) bottom surface, and sleeve (6) in-situ offer with slider (7) sliding fit's recess, slider (7) and sleeve (6) sliding connection, slider (7) bottom is fixed with a pair of otic placode (8) through bolt and nut hinge, otic placode (8) bottom mounting has top cap (9), be fixed with telescopic link (11) on the bottom surface of top cap (9), telescopic link (11) overcoat is equipped with and fixes the protective casing (12) on support (1), sliding connection between telescopic link (11) and the inner wall of protective casing (12), and protective casing (12) outside is equipped with spring (10) of fixing between top cap (9) bottom surface and support (1).

4. A broach grinder according to claim 1, wherein: the adjusting mechanism comprises a fixed barrel (17), an L-shaped cross rod (18), a vertical rod (19), an arc-shaped lug plate (20) and a connecting rod (21); the fixing barrel (17) is fixed on the left rear side face of the support (1), the L-shaped cross rod (18) is sleeved in the fixing barrel (17) and is fixedly connected through fixing bolts arranged on the outer wall of the fixing barrel (17), the right part of the L-shaped cross rod (18) is a rod body which is vertical and hollow inside, the vertical rod (19) is sleeved in the L-shaped cross rod (18) and is fixedly connected through fixing bolts arranged on the outer wall of the L-shaped cross rod (18), a pair of arc-shaped lug plates (20) are arranged at the top ends of the vertical rod (19), connecting rods (21) are hinged between the arc-shaped lug plates (20) through bolts and nuts, arc-shaped through grooves are formed in the arc-shaped lug plates (20), bolts are fixed on the front side face and the rear side face of each connecting rod (21), and the bolts pass through the arc-shaped through grooves and are fixed through the nuts.

5. A broach grinder according to claim 1, wherein: the clamping and fixing mechanism comprises a base (23), a fixing ring (24) and a handle screw (25); the base (23) is fixed on the upper side of polishing board (22), and the top surface is triangle arc structure, is fixed with solid fixed ring (24) on the left and right sides face of base (23), and gu fixed ring (24) are rectangle and inside hollow platelike structure, and gu fixed ring (24) top surface middle part is reserved and is had the screw hole, and the threaded rod and the screw hole threaded connection of handle screw (25).

6. The broach grinder according to claim 5, wherein: the left end and the right end of the broach (26) are placed on the base (23) and are fixed through a handle screw (25).