CN215698488U

CN215698488U - Guide device for saw blade tooth grinding equipment

Info

Publication number: CN215698488U
Application number: CN202122349110.7U
Authority: CN
Inventors: 邹茂旻
Original assignee: Hunan Shenghong New Material Technology Co ltd
Current assignee: Hunan Shenghong New Material Technology Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-01
Anticipated expiration: 2031-09-27

Abstract

The utility model provides a guide device for saw blade tooth grinding equipment, which comprises a frame body, wherein a chuck is arranged on the frame body, the upper end of the chuck is used for clamping a saw blade, and the guide device comprises: the adjusting mechanism is respectively connected with the two sides of the chuck and drives the chuck to open and close; the adjusting mechanism comprises a first connecting rod and a second connecting rod, and the bottom of the first connecting rod is hinged with the top of the second connecting rod through a hinge shaft; the cam mechanism comprises a cam, the cam is connected to a cam shaft, and the cam shaft is used for driving the cam to rotate; a convex groove is formed in the cam, a roller wheel matched with the convex groove is arranged in the convex groove, a vertically arranged ejector rod is connected to the roller wheel, and the ejector rod is connected with the bottom of the second connecting rod; the rack is arranged at the lower end of the frame body, and a gear is arranged below the rack; the utility model effectively avoids the limitation of the tooth shape and the tooth pitch on the gear grinding machine in the prior art, and simultaneously prevents the saw blade from being damaged in the grinding process.

Description

Guide device for saw blade tooth grinding equipment

Technical Field

The utility model relates to a guide device, in particular to a guide device for saw blade tooth grinding equipment.

Background

The saw blade plays a great role in daily life production and industrial production of people. The common saw blade is made of metal, and is worn in the using process until the saw blade cannot be used after being blunt, and at the moment, the saw blade needs to be ground so as to be reused.

The existing saw blade gear grinding machine can uniformly grind saw blades, has higher efficiency and enables the saw blades to be reused. The existing band saw blade grinding machine adopts a guide mechanism to enable a band saw blade to do profiling motion along the saw teeth of the band saw blade, adopts a grinding wheel to trim a large inclined plane and then grinds the front angle and the rear angle of the saw teeth, and is only suitable for equidistant toothed band saw blades because the sizes and the lengths of the saw teeth of variable-pitch teeth are different from the depth of a tooth groove. For the band saw blade with the variable tooth pitch, the sizes, the lengths and the depths of saw teeth of the band saw are inconsistent, and the existing band saw blade grinding machine cannot be adjusted according to the shape change of teeth, so that the automatic grinding of the band saw blade with the variable tooth pitch cannot be realized. Manual grinding is adopted, so that the grinding efficiency is low, the grinding quality is unstable, the grinding time is long, the labor intensity is high, and the cost is high.

Meanwhile, the guide device of the saw blade tooth grinding machine directly acts on the saw teeth, and when the equipment is in abnormal operation, the saw teeth are easily damaged by the guide device, so that the cutting performance of the band saw blade is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a guide device for saw blade tooth grinding equipment, which can effectively solve the problem that the existing band saw blade grinding machine cannot adjust the automatic grinding of a band saw blade according to the shape change of teeth.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a guide device for saw blade tooth grinding equipment, which comprises a frame body, wherein a chuck is arranged on the frame body, the upper end of the chuck is used for clamping a saw blade, and the guide device comprises:

the adjusting mechanisms are respectively connected with the two sides of the chuck and drive the chuck to open and close; the adjusting mechanism comprises a first connecting rod and a second connecting rod, the bottom of the first connecting rod is hinged with the top of the second connecting rod through a hinge shaft, the frame body is provided with a horizontal guide rail, the hinge shaft is movably arranged in the horizontal guide rail, and the top of the first connecting rod is hinged with the side wall of the chuck; the first connecting rod drives the chuck to open and close; the frame body is provided with a vertical guide rail.

The cam mechanism comprises a cam, the cam is connected to a cam shaft, and the cam shaft is used for driving the cam to rotate; be equipped with the tongue on the above-mentioned cam, be equipped with the gyro wheel that suits with the tongue in the above-mentioned tongue, even have the ejector pin of vertical setting on the above-mentioned gyro wheel, above-mentioned ejector pin is connected with second connecting rod bottom.

The rack is arranged at the lower end of the frame body, a gear is arranged below the rack, a gear shaft is arranged on the axis of the gear, and the gear shaft drives the gear to rotate.

The guide device further comprises two side plates, the side plates are oppositely arranged on two sides of the frame body 3, slide rails are arranged on the side plates, slide blocks are arranged in the slide rails, and the slide blocks are fixed on the frame body.

Furthermore, the roller in the cam mechanism is contacted with the convex groove, and the roller and the cam 4 roll relatively.

Further, in the rack-and-pinion mechanism, the gear is provided with a gear tooth, the rack is provided with a tooth groove, and the gear tooth is adapted to the tooth groove.

Furthermore, a wear-resistant protective layer is attached to the inner wall of the chuck, and the inner wall of the wear-resistant protective layer is abutted to the saw blade.

Furthermore, the lower end of the chuck is fixed on the frame body through a hinge shaft.

Compared with the prior art, the utility model has the beneficial effects that: the guide device realizes stable guide and feeding through clamping the band saw blade, effectively avoids the limitation of the tooth shape and the tooth pitch on the gear grinding machine in the prior art, and simultaneously, the guide device does not contact with the saw teeth, and avoids the damage to the band saw blade when equipment fails in operation.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of a rack and pinion mechanism of the present invention.

FIG. 3 is a schematic view of a roller structure of the cam mechanism of the present invention.

Description of reference numerals:

the band saw blade is 1, the chuck is 2, the rack is 3, the cam is 4, the cam is 5, the roller is 6, the convex groove is 7, the vertical guide rail is 8, the ejector rod is 9, the horizontal guide rail is 10, the first connecting rod is 11, the second connecting rod is 12, the sliding block is 13, the gear is 14, the gear tooth is 141, the rack is 15, the tooth groove is 151, the sliding rail is 16, the gear shaft is 17, the hinge shaft is 18, the side plate is 19, the wear-resistant protective layer is 20, the adjusting mechanism is 21, and the cam mechanism is 22.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1:

according to fig. 1, 2 and 3, the present invention provides a guide device for a saw blade tooth grinding device, which includes a frame body 3, a chuck 2 is disposed on the frame body 3, an upper end of the chuck 2 is used for clamping a saw blade 1, and the guide device includes:

the adjusting mechanism 21, the above-mentioned adjusting mechanism 21 connects the both sides of the chuck 2 separately, the above-mentioned adjusting mechanism 18 drives the chuck 2 to open and shut; the adjusting mechanism 18 comprises a first connecting rod 11 and a second connecting rod 12, the bottom of the first connecting rod 11 is hinged to the top of the second connecting rod 12 through a hinge shaft 18, the frame body 3 is provided with a horizontal guide rail 10, the hinge shaft 18 is movably installed in the horizontal guide rail 10, and the top of the first connecting rod 11 is hinged to the side wall of the chuck 2; the first connecting rod 11 drives the chuck 2 to open and close; the frame body 3 is provided with a vertical guide rail 8.

A cam mechanism 22, wherein the cam mechanism 22 comprises a cam 4, the cam 4 is connected to a cam shaft 5, and the cam shaft 5 is used for driving the cam 4 to rotate; the cam 4 is provided with a convex groove 7, the convex groove 7 is internally provided with a roller 6 matched with the convex groove 7, the roller 6 is connected with a vertically arranged ejector rod 9, and the ejector rod 9 is connected with the bottom of the second connecting rod 12.

A rack 15 is provided at the lower end of the frame body 3, a gear 14 is provided below the rack 15, a gear shaft 17 is provided at the axis of the gear 14, and the gear shaft 17 drives the gear 14 to rotate. The frame body 3 is provided with side plates 19 at both sides thereof, the side plates 19 are provided with slide rails 16, slide blocks 13 are arranged in the slide rails 16, and the slide blocks 13 are fixed on the frame body 3.

When the guide device normally works, the cam shaft 5 drives the cam 4 to rotate under the control of the motor, the roller 6 relatively rotates in the convex groove 7, the ejector rod 9 moves in a regular and controllable vertical direction through the early accurate design of the profile of the cam 4, the adjusting mechanism 21 is driven to move, and the adjusting mechanism 21 stably and regularly controls the chuck 2 to open and close under the control of the horizontal guide rail 10 and the vertical guide rail 8; when the chuck 2 is opened, the saw blade 1 is in a polished state, and when the chuck 2 is closed, the saw blade 1 is clamped by the chuck and controls the guide.

When the saw blade 1 is in the clamping state, the gear shaft 17 is controlled by the electrical equipment to rotate in the preset direction and in the long time, so that the rack 15 is driven to move in the horizontal direction, and the rack 15 controls the whole frame body 3 to horizontally move to the preset polishing position.

This guider passes through the opening and shutting of chuck 2 and the synchronous motion of 3 horizontal migration of support body, can realize the stable direction and the location of saw blade 1 to improve the work efficiency of the equipment of polishing.

Example 2:

this example differs from example 1 in that: the roller of the cam mechanism 22 is in contact with the convex groove, and the roller and the cam 4 roll relatively.

The device adopts a geometric closed cam mechanism, so that the ejector rod obtains higher stability in reciprocating linear motion, and the roller and the convex groove roll relatively to reduce the abrasion of the roller.

Example 3:

the present embodiment differs from the above embodiments in that: the gear 14 is provided with a gear tooth 141, the rack 15 is provided with a tooth groove 151, and the gear tooth 141 is fitted to the tooth groove 151.

The teeth 141 are accurately engaged with the teeth grooves 151, so that the stability of the frame body 3 in the moving process is improved, when the gear 14 rotates, the rack 15 moves at a constant linear velocity, and the saw blade 1 clamped by the chuck 2 moves along with the rack 15.

Example 4:

the present embodiment differs from the above embodiments in that: the inner wall of the chuck 2 is attached with a wear-resistant protective layer 20, and the inner wall of the wear-resistant protective layer 20 is abutted against the saw blade 1.

Above-mentioned wear-resisting inoxidizing coating 20 adopts high wear-resisting, high coefficient of friction and surperficial more level and smooth material, can protect above-mentioned saw blade 1 surface can not produce the defect because of the clamp of above-mentioned chuck 2 tightly, simultaneously, produces very big frictional force when above-mentioned wear-resisting inoxidizing coating 20 contradicts with above-mentioned saw blade 1 to prevent above-mentioned wear-resisting inoxidizing coating 20 and above-mentioned saw blade 1 and not produce the relative slip, guaranteed above-mentioned saw blade 1 motion that can relatively stable.

Example 5:

the present embodiment differs from the above embodiments in that: the lower end of the chuck 2 is fixed on the frame body 3 through a hinge shaft 18; the fixing of chuck 2 bottom is favorable to saw blade 1 to remain the removal of horizontal direction all the time, makes saw blade 1 can not influence the effect of polishing because of the error of horizontal position.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the utility model to effect such feature, structure, or characteristic in connection with other embodiments.

Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a guider for saw blade gerar grinding equipment, includes support body (3), be equipped with chuck (2) on support body (3), chuck (2) upper end is used for centre gripping saw blade (1), its characterized in that, guider still includes:

the adjusting mechanism (21), the adjusting mechanism (21) is connected with two sides of the chuck (2) respectively, and the adjusting mechanism (21) drives the chuck (2) to open and close; the adjusting mechanism (21) comprises a first connecting rod (11) and a second connecting rod (12), the bottom of the first connecting rod (11) is hinged to the top of the second connecting rod (12) through a hinge shaft (18), a horizontal guide rail (10) is arranged on the frame body (3), the hinge shaft (18) is movably mounted in the horizontal guide rail (10), and the top of the first connecting rod (11) is hinged to the side wall of the chuck (2); the first connecting rod (11) drives the chuck (2) to open and close; a vertical guide rail (8) is arranged on the frame body (3);

the cam mechanism (22), the cam mechanism (22) comprises a cam (4), the cam (4) is connected to a cam shaft (5), and the cam shaft (5) is used for driving the cam (4) to rotate; a convex groove (7) is formed in the cam (4), a roller (6) matched with the convex groove (7) is arranged in the convex groove (7), a vertically-arranged ejector rod (9) is connected to the roller (6), and the ejector rod (9) is connected with the bottom of a second connecting rod (12);

a rack (15) is arranged at the lower end of the frame body (3), a gear (14) is arranged below the rack (15), a gear shaft (17) is arranged at the axis of the gear (14), and the gear shaft (17) drives the gear (14) to rotate; the improved bicycle frame is characterized in that side plates (19) are arranged on two sides of the frame body (3), slide rails (16) are arranged on the side plates (19), slide blocks (13) are arranged in the slide rails (16), and the slide blocks (13) are fixed on the frame body (3).

2. The guide for a saw blade sharpening apparatus as defined in claim 1, wherein: and a roller (6) in the cam mechanism (22) is abutted against the convex groove (7).

3. The guide for a saw blade sharpening apparatus as defined in claim 1, wherein: the gear (14) is provided with gear teeth (141), the rack (15) is provided with tooth grooves (151), and the gear teeth (141) are meshed with the tooth grooves (151).

4. The guide for a saw blade sharpening apparatus as defined in claim 1, wherein: the inner wall of the chuck (2) is provided with a wear-resistant protective layer (20), and the inner wall of the wear-resistant protective layer (20) is abutted to the saw blade (1).

5. The guide for a saw blade sharpening apparatus as defined in claim 1, wherein: the lower end of the chuck (2) is fixed on the frame body (3) through a hinge shaft (18).