CN112192440A

CN112192440A - Combined grinding tool for chamfering

Info

Publication number: CN112192440A
Application number: CN202011178609.XA
Authority: CN
Inventors: 刘连东; 姚敏; 胡晨毅
Original assignee: Jiaxing Woerde Diamond Tool Co ltd
Current assignee: Jiaxing Woerde Diamond Tool Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-01-08

Abstract

The application belongs to the technical field of the grinding apparatus, especially, relate to a combination grinding apparatus is used to chamfer. Traditional chamfer processing mode is the inslot grinding, processes out the recess promptly on the grinding apparatus, will treat the chamfer product card in the inslot, and the grinding apparatus is rotatory to carry out the chamfer operation. The chamfering method has many disadvantages: for example, the grinding in the groove is difficult to dissipate heat and remove chips, which affects the service life and quality of the grinding tool; the utilization rate of the grinding material is very low; and the cost is high, and the grinding tool is difficult to repair. The application provides a combination grinding apparatus is used to chamfer has adopted the structure of rotation support portion and mill, and rotation support portion's quantity more than or equal to 2, all is provided with the mill on every rotation support portion's a rotatory section of thick bamboo with the fixed setting of preset distance between the rotation support portion. The structure is simple, no processing groove is needed, the production process is simple and convenient, and the cost is low; grinding layers of the grinding disc are all involved in grinding, the utilization rate of the grinding material is high, and the grinding disc is easy to repair; the chip removal and heat dissipation are good, and the processing quality and the service life of the grinding tool are favorably improved.

Description

Combined grinding tool for chamfering

Technical Field

The application relates to the technical field of grinding tools, in particular to a combined grinding tool for chamfering.

Background

Abrasives (Abrasives) are tools used for grinding, lapping and polishing. Most of the grinding tools are artificial grinding tools made of grinding materials and bonding agents, and also natural grinding tools directly processed by natural ore rocks are used. Grinding tools are widely used in the machinery and other metal processing industries, but also in grain processing, paper industry and the processing of non-metallic materials such as ceramics, glass, stone, plastics, rubber, wood, etc.

In machining, chamfering with a grinder is a relatively conventional industrial process. Chamfering refers to machining the corners of a workpiece into a certain inclined plane. The chamfer angle removes burrs generated by machining on parts, so that edges and corners of industrial parts become smooth, and the assembly of the parts is facilitated. In the chamfering operation, the end of the part is generally chamfered.

Traditional chamfer processing mode is the inslot grinding, processes out the recess promptly on the grinding apparatus, will treat the chamfer product card in the inslot, and the grinding apparatus is rotatory to carry out the chamfer operation. In-groove grinding has many drawbacks: for example, the grinding tool is difficult to grind and dissipate heat in the groove and difficult to grind and remove chips in the groove, so that the service life and the quality of the grinding tool are influenced; only the grinding material in the grinding groove participates in the grinding operation, so that the utilization rate of the grinding material is low; and the grooved grinding tool has high processing cost, and once the grinding groove is deformed and damaged, the repair is very difficult.

Disclosure of Invention

The application provides a combination grinding apparatus is used to chamfer to solve the problem that current chamfer grinding apparatus heat dissipation chip removal difficulty, life are short and abrasive material utilization ratio is low.

The technical scheme adopted by the application is as follows:

a combined grinding tool for chamfering comprises a rotary supporting part and a grinding disc;

the rotary supporting part comprises a rotary cylinder and a supporting rod, the rotary cylinder is arranged on the supporting rod through a rolling shaft, and the grinding disc is arranged on the rotary cylinder;

the number of the rotating supporting parts is more than or equal to 2, the rotating supporting parts are fixedly arranged at preset distances, and a grinding disc is arranged on each rotating cylinder of each rotating supporting part.

Optionally, the support device further comprises a guide rail, one end of the support rod of the rotation support portion is arranged on the guide rail, and the guide rail is used for slidably arranging and fixing the support rod.

Optionally, the number of the guide rails is 2, the guide rails are respectively arranged at two ends of the support rod of the rotating support portion, and the arrangement directions of the two rotating support portions are consistent.

Optionally, the outer wall of the rotary drum is provided with a belt clamping groove, one end of the belt is sleeved on the rotating shaft of the motor, and the other end of the belt is sleeved on the belt clamping groove.

Optionally, a gear is arranged on the circumference of the outer wall of the rotating cylinder, and a rotating shaft of the motor is meshed with the gear.

Optionally, the grinding disc is a cylinder or a circular truncated cone.

Optionally, the number of the grinding discs on each rotary supporting portion is 2, the grinding discs are a coarse grinding disc and a fine grinding disc, and the knife feeding direction is the contact direction of the coarse grinding disc.

Optionally, two ends of the support rod are provided with external threads.

Optionally, the grinding disc is fixed on the rotary cylinder in a clamping manner.

Optionally, the rotary cylinder slides back and forth along the support rod and is fixedly connected.

The technical scheme of the application has the following beneficial effects:

the utility model provides a combination grinding apparatus is used to chamfer has adopted the structure of rotation support portion and mill, and rotation support portion's quantity more than or equal to 2, all is provided with the mill on every rotation support portion's a rotatory section of thick bamboo with the fixed setting of preset distance between the rotation support portion. The grinding disc grinding device is simple in structure, a machining groove is not required to be formed, the production process is simple and convenient, the cost is low, grinding layers of the grinding discs are all involved in grinding, the utilization rate of grinding materials is high, and the grinding discs are easy to repair in the later period. Set up a plurality of mill and participate in the grinding in proper order at rotatory in-process, be favorable to the chip removal heat dissipation, further promote the processingquality and the life-span of grinding apparatus.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of another embodiment of the present application;

FIG. 3 is a schematic structural diagram of another embodiment of the present application;

illustration of the drawings:

wherein, 1-rotation support part, 11-rotation cylinder, 12-support rod, 13-belt clamping groove, 2-grinding disc, 21-rough grinding disc, 22-fine grinding disc, 3-guide rail and 4-external thread.

In fig. 1, a structure of 2 rotation support portions is exemplarily illustrated. The 2 rotation support parts are arranged symmetrically in the vertical direction in the figure, so that although only one rotation support part is marked in the figure, the characteristics indicated by the reference numerals in the 2 rotation support parts can be correspondingly referred to. In fig. 2, two sets of guide rails are shown, and the number of guide rails is not limited solely for the purpose of this drawing, and those skilled in the art can easily understand from this figure that the number of guide rails may be one set, two sets, or multiple sets, and does not affect the achievement of the object of the present application. In fig. 3, the support rods of the two rotation support parts are exemplarily connected into a whole, and then extend out to form a section, and the extended section can be used as a handle part, so that the portability of the embodiment is more clearly embodied.

Detailed Description

Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.

Referring to fig. 1, a schematic structural diagram of an embodiment of the present application is shown.

The application provides a combined grinding tool for chamfering, which comprises a rotary supporting part 1 and a grinding disc 2;

the rotary supporting part 1 comprises a rotary cylinder 11 and a supporting rod 12, the rotary cylinder 11 is arranged on the supporting rod 12 through a rolling shaft, and the grinding disc 2 is arranged on the rotary cylinder 11;

the number of the rotation supporting parts 1 is more than or equal to 2, the rotation supporting parts 1 are fixedly arranged at a preset distance, and a grinding disc 2 is arranged on each rotation cylinder 11 of the rotation supporting parts 1.

In this embodiment, in order to perform chamfering work of a product, a structure and a method different from a conventional method using a chamfering groove are adopted. Through setting up two sets of and more than two sets of mill 2, on the basis that does not change mill 2 structure itself, need not to set up the chamfer recess, utilize the middle part clearance of two sets of mills 2 to carry out the chamfer operation. The grinding disc 2 in the application is of a disc-shaped structure with a certain thickness, and the grinding surface for chamfering is the side surface of the grinding disc 2. The grinding is carried out in the gap between the middle parts of the two groups of grinding discs 2, so that the grinding stress is more uniform, and the defect that the stress of a chamfer groove is not uniform in heating is avoided; meanwhile, the grinding disc 2 is more beneficial to chip removal and heat dissipation, the processing quality of chamfering operation is further improved, and the service life of the grinding disc 2 is prolonged. In addition, because the overall structure of the grinding tool is improved, the grinding layers of the grinding disc 2 are all involved in grinding, the utilization rate of the grinding material is extremely high, the cost is further reduced, and the grinding disc 2 is easier to repair and replace in the later use stage.

Optionally, the device further comprises a guide rail 3, one end of the support rod 12 of the rotation support portion 1 is arranged on the guide rail 3, and the guide rail 3 is used for slidably arranging and fixing the support rod 12.

Fig. 2 is a schematic structural diagram of another embodiment of the present application. In this embodiment, in order to adjust the distance between the grinding discs on different rotation support portions 1 more conveniently and increase the universality of the present application, a guide rail 3 is arranged at one end of the support rod 12 of the rotation support portion 1 for slidably arranging and fixing the support rod 12. Due to the size difference of the specifications of the grinding discs 2, the workpieces or products to be ground also need to be matched with the corresponding grinding discs 2, and in addition, in order to achieve a more ideal degree of grinding performance and effect, the distance between the grinding discs should be set within a certain preset value range. The technical object is conveniently achieved by providing a guide rail 3 in order to more conveniently adjust the distance between the grinding discs. Considering abrasive machining to the wearing and tearing attenuate of mill 2, objectively also need convenient regulation mill 2 and the distance between mill 2, guide rail 3 is provided with and does benefit to high-efficient adjustment, has promoted the performance and the efficiency of processing.

Illustratively, the distance between the grinding discs 2 can be monitored and automatically adjusted by setting an automatic control module and automatically adjusting the fixing positions of the supporting rods 12 on the guide rails 3, so as to realize more efficient function automation.

Optionally, the number of the guide rails 3 is 2, the guide rails are respectively arranged at two ends of the support rod 12 of the rotation support portion 1, and the arrangement directions of the two rotation support portions 1 are the same.

Referring to fig. 2, in this embodiment, on the basis of satisfying chamfer grinding operation, further strengthen the reliability and the stability of this application structure, set up 2 guide rails 3, be located the both ends of the bracing piece 12 of rotation support portion 1 respectively, be favorable to making the atress of this application more even stable, avoided the atress that one end atress caused uneven and produce the problem of structural deformation, be favorable to promoting the stability and the durability of this application structure.

Optionally, the outer wall of the rotating cylinder 11 is provided with a belt clamping groove 13, one end of the belt is sleeved on the rotating shaft of the motor, and the other end of the belt is sleeved on the belt clamping groove 13.

Referring to fig. 2, in the present embodiment, the motor outputs torque, and then the torque is transmitted to the rotary drum 11 through the belt, so that the rotation function and effect of the rotary drum 11 are realized, and the grinding disc 2 is driven to perform grinding operation. The belt transmission structure is simple, the cost is lower, and the later stage is easy to modify and replace.

Optionally, a gear is arranged on the circumference of the outer wall of the rotating cylinder 11, and a rotating shaft of the motor is engaged with the gear.

In this embodiment, a torque transmission manner of gear transmission is adopted, unlike the above-described belt transmission. The gear transmission power transmission efficiency is high, compared with belt transmission, the gear transmission power transmission device has higher stability and reliability, and occupies less space.

Illustratively, by arranging an independent power supply such as a rechargeable battery to drive the motor and driving the rotary drum 11 to rotate through gear transmission, the grinding tool of the embodiment can be more portable, and is beneficial to the operation in the occasions needing flexible operation. Referring to fig. 3, the support rods 12 of the two rotation support portions 1 are connected into a whole and extend out to form a section, and the extended section can be used as a handle portion, so that the portability of the embodiment is more clearly embodied.

Optionally, the grinding disc 2 is a cylinder or a truncated cone.

In this embodiment, the selectable cylinder of mill 2 or the round platform body, preferably the round platform body, the side of round platform shape is different from the side of cylinder, and the grinding face of round platform shape mill 2 has certain inclination, is favorable to the chamfer operation to go on steadily, and is progressive in proper order to make the grinding of mill 2 more even, the chip removal radiating effect is better. The grinding surface of the cylindrical grinding disc 2 is perpendicular to the upper bottom surface and the lower bottom surface of the cylinder, so that the grinding uniformity is poor, and the service life of the grinding disc 2 is not prolonged favorably.

In actual production, adopt round platform shape mill, treat that 2 intergroup distances of mill of chamfer product inflow direction are greater than the outflow direction, along with treating the removal of chamfer product, increase the processing region that mill 2 needs the grinding gradually, avoid the mill 2 grinding volume of inflow direction too big, the mill 2 grinding volume undersize of outflow direction, and the inhomogeneous phenomenon in mill 2 life-span that leads to.

Optionally, the number of the grinding discs 2 on each rotation support part 1 is 2, the grinding discs are a coarse grinding disc 21 and a fine grinding disc 22, and the feeding direction is the contact direction of the coarse grinding disc 21.

In the embodiment, in order to further improve the grinding performance and efficiency, a two-process structure of matching the coarse grinding disc 21 and the fine grinding disc 22 is adopted, so that the requirement of actual industrial production is met. In an industrial application scene, in consideration of overall cost and efficiency, the coarse grinding disc 21 and the fine grinding disc 22 are arranged to be matched with each other, the coarse grinding disc 21 has large abrasive granularity, large grinding amount and high efficiency, but the grinding quality is poor, the grinding surface is rough, and a slight edge breakage phenomenon of a product possibly exists; the end of the product to be chamfered which flows out is the fine grinding disc 22, the grinding granularity is small, the grinding quantity is small, the efficiency is low, but the grinding quality is high, the grinding surface is fine and smooth, and the phenomenon of opening breakage is avoided. The grinding disc 2 matched with the coarse grinding disc 21 and the fine grinding disc 22 can improve the processing efficiency on the basis of ensuring the grinding quality. Meanwhile, the rough grinding disc 21 is used for grinding a relatively sharp head, so that the cost of replacement after abrasion loss is further reduced; the fine grinding is carried out by the fine grinding disc 22 after the grinding reaches the preset degree, and the fine grinding has smaller abrasion degree due to the relatively higher cost of the fine grinding disc 22, so that the replacement period of the fine grinding disc 22 is prolonged, and the effect of reducing the cost is also achieved. In this embodiment, the grain sizes of the coarse grinding disc 21 and the fine grinding disc 22 may be different or the same, and preferably, the combination of the grain sizes of the coarse grinding disc 21 and the fine grinding disc is different, and the tool feeding direction is always the direction in which the coarse grinding disc 21 contacts first, that is, the coarse grinding disc 21 contacts with the ground object first during grinding.

Optionally, the two ends of the support rod 12 are provided with external threads 4.

In this embodiment, in order to fix the combined grinding tool for chamfering of the present application, the external threads 4 are provided at both ends of the support rod 12, and the grinding tool of this embodiment is fixed on a production line or a platform by screw connection. The setting of 12 external screw threads 4 of bracing piece is favorable to fixed grinding apparatus, promotes the steadiness, satisfies industrial production's actual demand.

Optionally, the grinding disc 2 is fixed on the rotary cylinder 11 in a clamping manner.

In the present embodiment, there are actually multiple connection manners between the grinding disc 2 and the rotary cylinder 11, and the present embodiment exemplarily provides a snap-fit assembly manner, which facilitates quick assembly on the one hand and also facilitates disassembly and replacement on the other hand.

Optionally, the rotary cylinder 11 slides back and forth along the support rod 12 and is fixedly connected.

In this embodiment, the fixing position of the rotary cylinder 11 on the supporting rod 12 can be adjusted, and the position of the rotary cylinder 11 on the supporting rod 12 can be properly adjusted by sliding the rotary cylinder 11 on the supporting rod 12 back and forth, and synchronously, the position of the grinding disc 2 is correspondingly adjusted because the grinding disc 2 is fixedly connected with the rotary cylinder 11. In the actual production process, the abrasion of the grinding disc 2 caused by grinding cannot be always completely uniform and consistent, and the slight grinding difference becomes obvious as the grinding time increases. At this moment, through adjusting the relative position between mill 2 and the mill 2, be favorable to promoting the quality and the efficiency of grinding, also be favorable to the chip removal heat dissipation and prolong the life of mill 2.

The utility model provides a combination grinding apparatus is used to chamfer has adopted the structure of rotation support portion 1 and mill 2, and the quantity more than or equal to 2 of rotation support portion 1 all are provided with mill 2 on the rotatory section of thick bamboo 11 of every rotation support portion 1 with the fixed setting of preset distance between the rotation support portion 1. The utility model provides a simple structure need not to set up the processing recess, and the production process is simple and convenient and the cost is lower, and the grinding is all participated in to the mill layer of mill 2, and the abrasive utilization ratio is high, and the later stage is restoreed easily. Set up a plurality of mill 2 and participate in the grinding in proper order at rotatory in-process, be favorable to the chip removal heat dissipation, further promote the processingquality and the life-span of grinding apparatus.

The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.

Claims

1. A combined grinding tool for chamfering is characterized by comprising a rotary supporting part and a grinding disc;

2. The combined grinding tool for chamfering according to claim 1, further comprising a guide rail, wherein one end of the supporting rod of the rotation supporting portion is disposed on the guide rail, and the guide rail is used for slidably disposing and fixing the supporting rod.

3. The combined grinding tool for chamfering according to claim 1, wherein the number of the guide rails is 2, the guide rails are respectively provided at both ends of the support rod of the rotation support portion, and the arrangement directions of the two rotation support portions are the same.

4. The combination grinding tool for chamfering according to claim 1, wherein a belt engaging groove is formed on an outer wall of the rotary drum, one end of the belt is fitted over a rotation shaft of the motor, and the other end of the belt is fitted over the belt engaging groove.

5. The combined grinding tool for chamfering according to claim 1, wherein a gear is provided on the circumference of the outer wall of the rotary cylinder, and the rotating shaft of the motor is engaged with the gear.

6. The combination grinding tool for chamfering according to claim 1, wherein the grinding disc is a cylinder or a truncated cone.

7. The combined grinding tool for chamfering according to claim 1, wherein the number of the grinding discs on each rotation supporting portion is 2, the grinding discs are a coarse grinding disc and a fine grinding disc, and the tool feeding direction is a coarse grinding disc first contact direction.

8. The combination grinding tool for chamfering according to claim 1, wherein both ends of the supporting rod are provided with external threads.

9. The combination grinder of claim 1, wherein the grinding disc is snap-fitted to the rotary cylinder.

10. The combination grinder of claim 1, wherein the rotary cylinder is slidably and reciprocally coupled along the support rod.