CN219852473U - Gear grinding machine capable of being clamped and fixed - Google Patents

Abstract

The utility model discloses a gear grinding machine capable of being clamped and fixed, which comprises an outer frame, a grinding rotating wheel arranged on the outer frame, and further comprises: the bottom plate of setting is in inside the external frame, when needs are fixed to the rack, stimulate the clamp splice earlier, place the rack that will process on the bottom plate, when the clamp splice was pulled, first by the tensile, pull rod pulling slider is first to be slided, slider two is upwards slided between hollow tube and stopper by slider extrusion, the card strip is also upwards lifted simultaneously this moment, after the rack was placed, unclamp the clamp splice, the clamp splice is blocked the rack because of receiving the pulling force of spring one automatic retract, rotatable card strip this moment carries out further fixation to the rack, the lower extreme of card strip is the latch with rack engaged. The grinding tooth capable of being clamped and fixed is simple to operate, convenient to adjust and good in fixing and clamping effects on racks.

Description

Gear grinding machine capable of being clamped and fixed

Technical Field

The utility model relates to the technical field of rack finish machining, in particular to a gear grinding machine capable of being clamped and fixed.

Background

The rack is a special gear with teeth distributed on the strip-shaped body, the rack is also divided into a straight-tooth rack and an oblique-tooth rack, the straight-tooth rack and the oblique-tooth rack are respectively matched with the straight-tooth cylindrical gear and the oblique-tooth cylindrical gear for use, the tooth profile of the rack is a straight line instead of an involute (a plane for a tooth surface), the tooth profile is equivalent to a cylindrical gear with an infinite reference circle radius, and a special polishing device is needed when the precise rack is processed.

The utility model discloses a polishing device for rack machining, which comprises a support column, wherein a machining table is fixedly arranged at the top of the support column, a return plate is fixedly arranged at the outer side of the support column, a fixed clamping plate is fixedly arranged at one side of the top of the machining table, a rack is fixedly arranged on the inner wall of the bottom of the machining table, a movable clamping plate is slidably arranged at the outer side of the rack, a worm and a worm wheel are rotatably arranged at the outer side of the movable clamping plate.

Although the patent has a certain clamping function on a rack to be machined, the rack is clamped on two sides of a rack plate, and in the process of grinding the rack, the rack is possibly offset due to friction of a rotating wheel rotating at a high speed on a tooth surface, so that the progress of grinding work is influenced.

We have therefore proposed a grippable fixed gear grinding machine in order to solve the problems set out above.

Disclosure of Invention

The utility model aims to provide a gear grinding machine capable of being clamped and fixed, which aims to solve the problem that the clamping of two sides only in the prior art can cause the rack to deviate in the polishing process so as to influence polishing work.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a can centre gripping fixed gear grinding machine, includes the outer frame and sets up the runner of polishing on the outer frame, still includes:

the bottom plate of setting in the inside of external frame, the one end sliding connection of bottom plate has the clamp splice, the other end fixed mounting of bottom plate has the butt plate, be provided with spring one in the inside cavity of bottom plate, the both ends of spring one respectively with the inner wall of bottom plate cavity, the inboard fixed connection of clamp splice, the equal fixed mounting in both sides of bottom plate has the hollow tube, the hollow tube is close to one side inner wall sliding mounting of butt plate has slider one, the one end fixedly connected with pull rod of slider one, the other end of pull rod with clamp splice fixed connection, slider one's upper end is provided with slider two, fixed mounting has the stopper in the hollow tube, two slider two's upper end is equipped with three card strip jointly.

Through adopting above-mentioned technical scheme, under the cooperation of external frame, bottom plate, clamp splice, butt plate, hollow tube, stopper, slider two, slider one, pull rod, spring one and card strip, when needs are polished for the rack, stimulate the clamp splice earlier, place the rack on the bottom plate, it is fixed to unclamp the clamp splice and can carry out preliminary centre gripping to the rack voluntarily, after preliminary centre gripping is fixed, rotatable card strip, the latch of card strip lower extreme meshes with the concave part on the rack, further fixes the rack.

Preferably, the three clamping strips are all rotationally connected between the second sliding blocks, the upper inclined surface of the first sliding block is contacted with the lower inclined surface of the second sliding block, and the second sliding block is slidingly connected between the limiting block and the inner wall of the hollow tube.

Through adopting above-mentioned technical scheme, under the cooperation of card strip, slider two, slider one, hollow tube and stopper, slider two is driven by slider one when the slider one is pulled and is slided in the hollow tube, upwards slides between stopper and hollow tube inner wall.

Preferably, the upper end inside the external frame is connected with a cross rod in a sliding manner, the lower end of the cross rod is fixedly provided with a shell, the inside of the shell is provided with a motor, the output end of the motor is fixedly provided with a rotating shaft, and the polishing rotating wheel is fixedly connected with the rotating shaft.

Through adopting above-mentioned technical scheme, under horizontal pole, casing, motor, pivot and the cooperation of runner of polishing for the runner of polishing etc. is fixed on the horizontal pole.

Preferably, the upper end of the outer frame is provided with a sliding rod, the sliding rod is slidably connected inside the outer frame, one end of the sliding rod is fixedly connected with the cross rod, the other end of the sliding rod is fixedly connected with a baffle, and one side of the cross rod is fixedly provided with a handle.

Through adopting above-mentioned technical scheme, under the forehead cooperation of slide bar, baffle and handle, the accessible pulling handle adjusts the height of runner of polishing, polishes the rack.

Preferably, a second spring is arranged between the baffle and the outer frame, and two ends of the second spring are fixedly connected with the lower end face of the baffle and the upper end face of the cross rod respectively.

Through adopting above-mentioned technical scheme, under the cooperation of spring two, baffle and horizontal pole, after polishing work is accomplished, the spring two can be with the part lifting back to the normal position together that installs on horizontal pole.

Preferably, a rack plate is fixedly mounted at one end of the inner side of the outer frame, a gear is arranged on the rack plate, the gear is meshed with the rack plate, a connecting rod is fixedly connected in the middle of the gear, and one end of the connecting rod is rotationally connected with the cross rod.

Through adopting above-mentioned technical scheme, under the cooperation of rack board, connecting rod, gear and horizontal pole, can make parts such as runner of polishing more mild when descending.

Compared with the prior art, the utility model has the beneficial effects that: the clamping strips meshed with the rack plates are used for further limiting and fixing the rack plates while clamping the two sides, and meanwhile, the height of the polishing rotating wheel can be adjusted according to requirements, and the concrete contents are as follows;

1. when needing to fix the rack, the clamp splice is pulled earlier, rack to be processed is placed on the bottom plate, when the clamp splice is pulled, the first spring is stretched, the first pull rod pulls the first slide block to slide, the second slide block is extruded by the first slide block to slide upwards between hollow tube and the limiting block, the clamping strip is lifted upwards simultaneously, after the rack is placed, the clamp splice is loosened, the clamp splice automatically retracts to clamp the rack due to the tensile force of the first spring, the clamping strip is rotated at the moment, the rack is further fixed, the lower end of the clamping strip is a clamping tooth meshed with the rack, the operation is simple, and the fixing is stable.

2. When fixing the rack and needing to polish, pulling the handle downwards, the horizontal pole receives the pulling force of handle to move downwards, and the horizontal pole drives the slide bar and slides downwards in the external frame inside, and second spring is compressed, will polish the runner and adjust suitable height, and after polishing work was accomplished, loosen the handle, the pressure that second spring received reduces, and horizontal pole and other parts by the downward pulling are upwards lifted back initial position by the spring, and the height of adjusting device of being convenient for can be adjusted according to the height of polishing the rack.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the whole cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the structure of the base plate system of the present utility model;

FIG. 4 is a schematic cross-sectional view of a hollow tube system according to the present utility model;

fig. 5 is a schematic cross-sectional view of a base plate according to the present utility model.

In the figure: 1. an outer frame; 11. rack plate; 12. a connecting rod; 13. a gear; 2. a housing; 21. polishing a rotating wheel; 22. a motor; 23. a rotating shaft; 3. a bottom plate; 31. clamping blocks; 32. a retaining plate; 33. a hollow tube; 331. a limiting block; 34. a second slide block; 35. a first sliding block; 36. a pull rod; 37. a first spring; 38. clamping strips; 4. a cross bar; 41. a slide bar; 42. a second spring; 43. a baffle; 44. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a gear grinding machine capable of clamping and fixing,

comprising an outer frame 1 and a grinding wheel 21 arranged on the outer frame 1, further comprising:

the setting is in the inside bottom plate 3 of external frame 1, the one end sliding connection of bottom plate 3 has clamp splice 31, the other end fixed mounting of bottom plate 3 has a butt plate 32, be provided with first 37 of spring in the inside cavity of bottom plate 3, the both ends of first 37 of spring respectively with the inboard fixed connection of bottom plate 3 cavity, clamp splice 31, the both sides of bottom plate 3 are all fixed mounting has hollow tube 33, hollow tube 33 is close to one side inner wall slidable mounting of butt plate 32 has slider one 35, the one end fixedly connected with pull rod 36 of slider one 35, the other end of pull rod 36 with clamp splice 31 fixed connection, the upper end of slider one 35 is provided with slider two 34, fixed mounting has stopper 331 in the hollow tube 33, two the upper end of slider two 34 is equipped with three draw-in strip 38 jointly, under the cooperation of external frame 1, bottom plate 3, clamp splice 31, butt plate 32, hollow tube 33, stopper, slider two 34, slider one 35, 36, spring one 37 and draw-in strip 38, when need give the clamp splice 31 to polish, can carry out the initial rotation of rack 31 with the rack 31 in the initial fixed clamp of rack, can be fixed with the rack of rack 31 after the initial clamp, the rack is fixed to the rack is fixed down.

When the rack is required to be fixed, the clamping block 31 is pulled firstly, the rack to be processed is placed on the bottom plate 3, when the clamping block 31 is pulled, the first spring 37 is stretched, the pull rod 36 pulls the first slide block 35 to slide, the second slide block 34 is extruded between the hollow tube 33 and the limiting block 331 by the first slide block 35 to slide upwards, the clamping strip 38 is lifted upwards at the same time, after the rack is placed, the clamping block 31 is loosened, the clamping block 31 automatically retracts to clamp the rack due to the tensile force of the first spring 37, the clamping strip 38 can be rotated at the moment, the rack is further fixed, and the lower end of the clamping strip 38 is a clamping tooth meshed with the rack.

Referring to fig. 4-5, three clamping bars 38 are rotatably connected between the second sliders 34, the upper inclined surface of the first slider 35 contacts with the lower inclined surface of the second slider 34, the second slider 34 is slidably connected between the limiting block 331 and the inner wall of the hollow tube 33, and when the first slider 35 is pulled to slide in the hollow tube 33 under the cooperation of the clamping bars 38, the second slider 34, the first slider 35, the hollow tube 33 and the limiting block 331, the second slider 34 is driven by the first slider 35 to slide upwards between the limiting block 331 and the inner wall of the hollow tube 33.

When the first slider 35 is pulled, the contact surface of the first slider 35 and the second slider 34 is an inclined surface, and the first slider 35 lifts the second slider 34 upwards when sliding due to the blocking of the two sides of the second slider 34 by the limiting block 331 and the inner wall of the hollow tube 33.

Referring to fig. 1-2, the upper end of the inside of the outer frame 1 is slidably connected with a cross bar 4, a housing 2 is fixedly mounted at the lower end of the cross bar 4, a motor 22 is disposed in the housing 2, a rotating shaft 23 is fixedly mounted at the output end of the motor 22, and the polishing rotating wheel 21 is fixedly connected with the rotating shaft 23, so that the polishing rotating wheel 21 is fixed on the cross bar 4 under the cooperation of the cross bar 4, the housing 2, the motor 22, the rotating shaft 23 and the polishing rotating wheel 21.

The upper end of the outer frame 1 is provided with a slide bar 41, the slide bar 41 is in sliding connection with the inside of the outer frame 1, one end of the slide bar 41 is fixedly connected with a transverse rod 4, the other end of the slide bar 41 is fixedly connected with a baffle 43, one side of the transverse rod 4 is fixedly provided with a handle 44, and under the cooperation of the slide bar 41, the baffle 43 and the handle 44, the height of the polishing rotating wheel 21 can be adjusted by pulling the handle 44 to polish a rack.

A second spring 42 is arranged between the baffle 43 and the outer frame 1, two ends of the second spring 42 are fixedly connected with the lower end face of the baffle 43 and the upper end face of the cross rod 4 respectively, and under the cooperation of the second spring 42, the baffle 43 and the cross rod 4, after polishing work is completed, the second spring 42 can lift the cross rod 4 and parts mounted on the cross rod 4 back to the original position together.

When the rack is fixed and needs to be polished, the handle 44 is pulled downwards, the cross rod 4 is pulled by the handle 44 to move downwards, the cross rod 4 drives the slide rod 41 to slide downwards in the outer frame 1, the second spring 42 is compressed, the polishing rotating wheel 21 is adjusted to a proper height, after polishing work is finished, the handle 44 is loosened, the pressure on the second spring 42 is reduced, and the cross rod 4 and other parts pulled downwards are lifted upwards by the second spring 42 to return to the initial position.

Referring to fig. 1-2, a rack plate 11 is fixedly mounted at one end of the inner side of the outer frame 1, a gear 13 is disposed on the rack plate 11, the gear 13 is meshed with the rack plate 11, a connecting rod 12 is fixedly connected in the middle of the gear 13, one end of the connecting rod 12 is rotatably connected with the cross rod 4, and the components such as a polishing wheel 21 can descend more gradually under the cooperation of the rack plate 11, the connecting rod 12, the gear 13 and the cross rod 4.

When the handle 44 is pulled downwards to adjust the height of the polishing rotating wheel 21, the gear 13 is driven to move downwards on the rack plate 11, and the gear 13 and the rack plate 11 are arranged to enable the device to be more stable when ascending and descending.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A gear grinding machine capable of being clamped and fixed, which comprises an outer frame (1) and a grinding rotating wheel (21) arranged on the outer frame (1); characterized by further comprising:

the novel clamping device is characterized in that the novel clamping device is arranged on a bottom plate (3) inside the outer frame (1), one end of the bottom plate (3) is slidably connected with a clamping block (31), the other end of the bottom plate (3) is fixedly connected with a retaining plate (32), a first spring (37) is arranged in an inner cavity of the bottom plate (3), two ends of the first spring (37) are fixedly connected with the inner wall of the cavity of the bottom plate (3) and the inner side of the clamping block (31) respectively, hollow tubes (33) are fixedly arranged on two sides of the bottom plate (3), a first sliding block (35) is slidably arranged on one side inner wall of the hollow tubes (33) close to the retaining plate (32), one end of the first sliding block (35) is fixedly connected with a pull rod (36), the other end of the pull rod (36) is fixedly connected with the clamping block (31), and three clamping strips (38) are jointly arranged at the upper ends of the first sliding block (35), and a limiting block (331) are fixedly arranged in the hollow tubes (33).

2. A clampable gear grinding machine as defined in claim 1, wherein: the three clamping strips (38) are all rotationally connected between the two sliding blocks (34), the upper inclined surface of the first sliding block (35) is contacted with the lower inclined surface of the second sliding block (34), and the second sliding block (34) is slidingly connected between the limiting block (331) and the inner wall of the hollow tube (33).

3. A clampable gear grinding machine as defined in claim 2, wherein: the polishing device is characterized in that a cross rod (4) is slidably connected to the upper end of the inside of the outer frame (1), a shell (2) is fixedly arranged at the lower end of the cross rod (4), a motor (22) is arranged in the shell (2), a rotating shaft (23) is fixedly arranged at the output end of the motor (22), and the polishing rotating wheel (21) is fixedly connected with the rotating shaft (23).

4. A clampable gear grinding machine as defined in claim 3, wherein: the upper end of the outer frame (1) is provided with a sliding rod (41), the sliding rod (41) is connected inside the outer frame (1) in a sliding mode, one end of the sliding rod (41) is fixedly connected with the cross rod (4), the other end of the sliding rod (41) is fixedly connected with a baffle (43), and a handle (44) is fixedly installed on one side of the cross rod (4).

5. The clampable gear grinding machine of claim 4, wherein: a second spring (42) is arranged between the baffle plate (43) and the outer frame (1), and two ends of the second spring (42) are fixedly connected with the lower end face of the baffle plate (43) and the upper end face of the cross rod (4) respectively.

6. The clampable gear grinding machine of claim 5, wherein: the novel rack is characterized in that a rack plate (11) is fixedly mounted at one end of the inner side of the outer frame (1), a gear (13) is arranged on the rack plate (11), the gear (13) is meshed with the rack plate (11), a connecting rod (12) is fixedly connected in the middle of the gear (13), and one end of the connecting rod (12) is rotationally connected with the cross rod (4).