CN210125775U

CN210125775U - Clamping mechanism of band saw tooth grinding machine

Info

Publication number: CN210125775U
Application number: CN201920109848.6U
Authority: CN
Inventors: 胡喆
Original assignee: Hangzhou Xinhanmei Home Appliances Co Ltd
Current assignee: Hangzhou Xinhanmei Home Appliances Co Ltd
Priority date: 2019-01-19
Filing date: 2019-01-19
Publication date: 2020-03-06
Anticipated expiration: 2029-01-19

Abstract

The utility model relates to a fixture of band saw blade gear grinding machine, comprises a workbench, be provided with the slip group on the workstation, the slip group include sliding sleeve and with sliding sleeve connected's slide bar, the slide bar connection compresses tightly the piece, parallel and the at least three group's slip groups of spaced setting and compress tightly the piece on the workstation, it is adjacent compress tightly and connect through the connecting rod between the piece, it is provided with the locking Assembly who mutually supports to compress tightly on piece and the workstation, still be provided with the subassembly that pops out of mutually supporting on sliding sleeve and the slide bar. The utility model discloses have the effect of the band saw blade centre gripping that will need abrasive machining on the workstation that can be more convenient.

Description

Clamping mechanism of band saw tooth grinding machine

Technical Field

The utility model belongs to the technical field of band saw blade processing technique and specifically relates to a fixture of band saw blade gear grinding machine is related to.

Background

The saw teeth of the band saw blade are formed by grinding one by one using a gear grinding machine.

At present, a Chinese patent document with an authorization publication number of CN205110941U in the prior art discloses a gear grinding machine with a rack, which comprises a base and a workbench arranged on the base, wherein a sliding table and a cam motor are arranged on the base, an electric grinder is arranged on the sliding table, and a grinding disc is arranged on a shaft of the electric grinder; the workbench is provided with a gear pushing lever, an elastic pressing clamp and a limiting block; the gear pushing lever is provided with a lever tension spring, a gear pushing rod, a push rod tension spring and a lever contact; a return tension spring is arranged between the base and the workbench, and a coil spring is arranged between the electric grinder base and the movable plate of the electric grinder base.

The workbench in the prior art is provided with three elastic pressing clamps, and when the band saw blade is pressed by the elastic pressing clamps, the three elastic pressing clamps are required to be operated independently. Is inconvenient, and reduces the processing efficiency of the sawtooth grinding.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a fixture of band saw blade gear grinding machine, its advantage lies in the band saw blade centre gripping that will need abrasive machining that can be more convenient on the workstation.

The technical purpose of the utility model is realized through following technical scheme: the utility model provides a band saw blade gear grinding machine's fixture, includes the workstation, be provided with the slip group on the workstation, the slip group is including slip sleeve and the slide bar of being connected with slip sleeve, the slide bar connection has the piece that compresses tightly, parallel and the at least three group's slip groups of spaced setting and compressing tightly the piece on the workstation, it is adjacent compress tightly and connect through the connecting rod between the piece, it is provided with the locking Assembly who mutually supports to compress tightly on piece and the workstation, still be provided with the subassembly that pops out of mutually supporting on slip sleeve and the slide bar.

Through adopting above-mentioned technical scheme, because adjacent compressing tightly the piece and pass through the connecting rod and link to each other, consequently all compressing tightly the piece and all can all slide from top to bottom simultaneously under the drive of driving source simultaneously, and do not need the operation one by one. When the pressing piece is pressed downwards to hold the saw blade placed between the pressing piece and the workbench, the pressing piece is locked by the locking assembly to keep the saw blade in a clamping state. And when with locking Assembly unblock back, all sliding assembly do the slip of keeping away from the workstation with compressing tightly under the effect of popping out the subassembly, and then make compressing tightly no longer to the saw blade with holding, conveniently take off the saw blade from the gear grinding machine.

The utility model discloses further set up to: the pop-up assembly includes an out-urging spring disposed within a sliding sleeve.

By adopting the technical scheme, the outward pushing spring is positioned in the sliding sleeve, the outward pushing spring is compressed when the sliding rod descends, and after the locking assembly is unlocked, the outward pushing spring automatically drives the sliding rod to slide upwards along the sliding sleeve, so that the saw blade is not clamped by the pressing piece any more.

The utility model discloses further set up to: the pressing piece is connected with a lock rod, a lock hole is formed in the lock rod, a lock block is arranged on the workbench, an insertion hole is formed in the lock block, and the lock hole is communicated with the insertion hole after the pressing piece is pressed to the lowest position.

Through adopting above-mentioned technical scheme, after lockhole and jack-in hole align, insert a lock axle to in jack-in hole and the lockhole can be with compressing tightly the piece locking on the workstation for compress tightly the suppression saw blade that the piece can be stable.

The utility model discloses further set up to: the locking hole is larger and the insertion hole is smaller in size.

By adopting the technical scheme, the size of the lock hole is larger than that of the insertion hole, so that the process of entering the lock shaft from the insertion hole to the lock hole is easier. And after the lock shaft enters the lock hole, the pressing piece is acted by the outward pushing spring, so that the inner wall of the lock hole can still be stably abutted with the lock shaft.

The utility model discloses further set up to: the locking bar is connected with one pressing piece of the locking bar which is positioned at the most edge.

Through adopting above-mentioned technical scheme, the locking lever links to each other with the most marginal piece that compresses tightly for operation locking Assembly that operating personnel can be convenient.

The utility model discloses further set up to: the lock rod is connected with a pressure rod parallel to the table surface of the workbench.

Through adopting above-mentioned technical scheme, hold the depression bar and make that operating personnel can be convenient press the locking lever to the workstation, and then lock locking Assembly.

The utility model discloses further set up to: in a plurality of sliding groups arranged in parallel and the pressing pieces, the lower ends of the pressing pieces at two ends are rotatably connected with rollers, and the lower end of the pressing piece in the middle is connected with a pressing block.

Through adopting above-mentioned technical scheme, the briquetting is pressed the saw blade between it and workstation, ensures that the saw blade has certain sliding friction power with workstation, briquetting for the saw blade can slide when promoting the saw blade to push away the tooth contact, and when pushing away the tooth contact no longer with the saw blade contact, the saw blade keeps the flat stability. The rollers are positioned at two ends of the saw blade on the length of the part of the workbench, the rollers enable the saw blade to be kept flat on the length of the workbench, and meanwhile, because rolling friction exists between the rollers and the saw blade, the rollers can not enable the saw blade to be difficult to push by the tooth pushing contact due to excessive friction force.

To sum up, the utility model discloses following beneficial effect has:

1. because the adjacent pressing pieces are connected through the connecting rod, all the pressing pieces can simultaneously slide up and down under the driving of the driving source, and the operation is not required to be carried out one by one;

2. after the locking assembly is unlocked, all the sliding assemblies and the pressing piece slide away from the workbench under the action of the ejecting assembly, so that the pressing piece does not hold the saw blade any more, and the saw blade is convenient to take down from the gear grinding machine;

3. the briquetting is pressed the saw blade between it and workstation, ensures that the saw blade has certain sliding friction with workstation, briquetting for push away the tooth contact and when promoting the saw blade can slide, and when pushing away the tooth contact and no longer with the saw blade contact, the saw blade keeps flat stable. The rollers are positioned at two ends of the saw blade on the length of the part of the workbench, the rollers enable the saw blade to be kept flat on the length of the workbench, and meanwhile, because rolling friction exists between the rollers and the saw blade, the rollers can not enable the saw blade to be difficult to push by the tooth pushing contact due to excessive friction force.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure diagram of the sliding group according to the present invention.

Reference numerals: 1. a work table; 2. a sliding group; 3. a sliding sleeve; 4. a slide bar; 5. a compression member; 6. a connecting rod; 7. a roller; 8. briquetting; 9. an outward pushing spring; 10. a lock lever; 11. a lock hole; 12. an insertion hole; 13. a pressure lever; 14. a lock shaft; 15. and (6) locking the block.

Detailed Description

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

As shown in fig. 1, for the utility model discloses a fixture of band saw blade gear grinding machine, including workstation 1, be provided with slip group 2 on the workstation 1, slip group 2 includes sliding sleeve 3 and sliding connection slide bar 4 in sliding sleeve 3, and the upper end of slide bar 4 is connected with the compressing tightly 5 of "L" form. The workbench 1 is provided with three groups of sliding groups 2 and pressing pieces 5 which are arranged in parallel and spaced, the adjacent pressing pieces 5 are connected through a connecting rod 6, the pressing pieces 5 and the workbench 1 are provided with locking assemblies which are matched with each other, and the sliding sleeve 3 and the sliding rod 4 are also provided with popping assemblies which are matched with each other.

In three groups of sliding groups 2 and the pressing pieces 5 which are arranged in parallel, the lower ends of the pressing pieces 5 at the two ends are rotatably connected with rollers 7, the rotating shafts of the rollers 7 are vertical to the pushed direction of the saw blade, and the lower end of the pressing piece 5 in the middle is connected with a pressing block 8.

The pressing block 8 presses the saw blade between the saw blade and the workbench 1, so that the saw blade has certain sliding friction with the workbench 1 and the pressing block 8, the saw blade can slide when the tooth pushing contact pushes the saw blade, and the saw blade is kept stable and stable when the tooth pushing contact is not contacted with the saw blade any more. The rollers 7 are positioned at two ends of the length of the part of the saw blade on the workbench 1, the rollers 7 are pressed on the saw blade to ensure that the part of the saw blade on the workbench 1 is kept flat, and simultaneously, because the rollers 7 and the saw blade have rolling friction, the rollers 7 can not ensure that the saw blade is difficult to push by the tooth pushing contact due to excessive friction force.

As shown in fig. 1 and 2, the pop-up assembly includes an outward urging spring 9 provided inside the sliding sleeve 3. One end of the outward pushing spring 9 is fixedly connected with the bottom of the sliding sleeve 3, and the other end is fixedly connected with one end of the sliding rod 4 positioned in the sliding sleeve 3. The push-out spring 9 is compressed when the slide bar 4 is lowered, and when the locking assembly is unlocked, the push-out spring 9 expands automatically driving the slide bar 4 to slide upwards along the sliding sleeve 3, so that the saw blade is no longer held by the hold-down piece 5. At the same time, because the slide 4 is fixedly connected to the outward pushing spring 9, the slide 4 is not ejected out of the sliding sleeve 3 when the locking assembly is unlocked.

As shown in fig. 1, one of the pair of pressing members 5 at the two end edges of the three pressing members 5 is connected with a lock rod 10, the lock rod 10 at the lower end is provided with a lock hole 11, a lock block 15 is fixed on the workbench 1 at a position corresponding to the lower end of the lock rod 10, the lock block 15 is provided with an insertion hole 12, wherein the insertion hole 12 and the lock hole 11 are both circular holes, the inner diameter of the lock hole 11 is larger than that of the insertion hole 12, and the insertion hole 12 is further connected with a lock shaft 14 in a sliding manner. When the pressing piece 5 is pressed to the lowest position, the lock hole 11 is communicated with the insertion hole 12, the lock shaft 14 is inserted into the insertion hole 12 in a sliding mode, the locking assembly can be locked, and then the pressing piece 5 is locked on the workbench 1. The locking piece 15 can also be used as a limiting piece, when the saw blade is placed on the workbench 1, the saw blade is tightly propped against the locking piece 15, so that the saw blade can advance along the direction of one end of the length of the saw blade when being pushed by the tooth pushing contact. When the roller 7 and the pressing block 8 are contacted with the saw blade, the lower end of the body of the pressing piece 5 is still provided with a certain gap from the workbench 1, and the gap can accommodate the saw blade.

In addition, in order to facilitate the worker to press the pressing member 5 down to the surface of the worktable 1, a pressing rod 13 parallel to the top surface of the worktable 1 is fixedly connected to the locking lever 10. When the pressing piece 5 needs to be pressed downwards, an operator can conveniently press the pressing piece 5 downwards by holding the pressing rod 13 with a hand, and then the locking piece is locked on the workbench 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a fixture of band saw blade gear grinding machine which characterized by: including workstation (1), be provided with slip group (2) on workstation (1), slip group (2) including slip sleeve (3) and slide bar (4) be connected with slip sleeve (3), slide bar (4) are connected with and compress tightly piece (5), workstation (1) is gone up and is arranged side by side and the spaced at least three groups of slip groups (2) that set up and compress tightly piece (5), and is adjacent compress tightly and connect through connecting rod (6) between piece (5), it is provided with the locking Assembly who mutually supports to compress tightly on piece (5) and workstation (1), still be provided with the subassembly that pops out of mutually supporting on slip sleeve (3) and slide bar (4).

2. The clamping mechanism of a band saw blade tooth grinding machine as claimed in claim 1, wherein: the ejection assembly comprises an outward pushing spring (9) arranged inside the sliding sleeve (3).

3. The clamping mechanism of a band saw blade tooth grinding machine as claimed in claim 2, wherein: compress tightly and be connected with locking lever (10) on piece (5), be provided with lockhole (11) on locking lever (10), be provided with locking piece (15) on workstation (1), be provided with patchhole (12) on locking piece (15), compress tightly piece (5) and press to minimum back lockhole (11) with patchhole (12) intercommunication.

4. The clamping mechanism of a band saw blade tooth grinding machine as claimed in claim 3, wherein: the locking hole (11) is large and the insertion hole (12) is small in size.

5. The clamping mechanism of a band saw blade tooth grinding machine as claimed in claim 3, wherein: the lock rod (10) is connected with one pressing piece (5) which is positioned at the most edge.

6. The clamping mechanism of a band saw blade tooth grinding machine as claimed in claim 5, wherein: the lock rod (10) is connected with a pressure rod (13) which is parallel to the table surface of the workbench (1).

7. The clamping mechanism of a band saw blade tooth grinding machine as claimed in claim 1, wherein: in the sliding groups (2) which are arranged in parallel and the pressing pieces (5), the lower ends of the pressing pieces (5) positioned at the two ends are rotatably connected with rollers (7), and the lower end of the pressing piece (5) positioned in the middle is connected with a pressing block (8).