CN212653207U

CN212653207U - Clamping device of centerless grinder camshaft processing frock

Info

Publication number: CN212653207U
Application number: CN202021504616.XU
Authority: CN
Inventors: 游启龙
Original assignee: Wuxi Jianhe Numerical Control Machine Tool Co ltd
Current assignee: Wuxi Jianhe Numerical Control Machine Tool Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-05
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to the technical field of centerless grinder camshaft machining, in particular to a clamping device of a centerless grinder camshaft machining tool, which comprises a bottom plate, wherein the left side and the right side of the top of the bottom plate are symmetrically provided with fixed plates, bearing seats are symmetrically inserted on the fixed plates at the left side and the right side, a lead screw is installed in each bearing seat, the left end of the lead screw is connected with the output end of a driving motor, the driving motor is installed on the fixed plate at the left side, nuts are screwed at the thread parts at the left side and the right side of the lead screw, and the nuts are inserted on a movable plate, the utility model provides a clamping device of the centerless grinder camshaft machining tool, which can achieve the measure of machining and clamping camshafts with different calibers in the use process through the design and the use of a series of structures, simultaneously improve the clamping and fixing effect when clamping and fixing the cams, and then the practicality of the clamping device of the centerless grinder camshaft machining tool is improved.

Description

Clamping device of centerless grinder camshaft processing frock

Technical Field

The utility model relates to a centerless grinder camshaft processing technology field, concretely relates to clamping device of centerless grinder camshaft processing frock.

Background

The camshaft is basically processed by forging a blank, then cutting and then finish machining and polishing, and the camshaft is processed by a horizontal machine tool and a vertical machine tool, so that the horizontal machine tool has large floor area, low space utilization rate and high production cost.

As the clamping device of the utility model patent application number of authorizing CN201921046378.X camshaft vertical processing frock, the on-line screen storage device comprises a base, support frame and elevating system, base upper surface one side fixed mounting has the support frame, one side fixed mounting that the support frame was kept away from to the base upper surface has the fixing base, be provided with elevating system in the support frame, elevating system includes the lead screw, handle and adjusting bracket, adjusting bracket's one end and lead screw threaded connection, one side of support frame is seted up recess adjusting bracket and is set up for L type structure, adjusting bracket keeps away from the one end welding of lead screw and has the mounting panel, one side integrated into one piece that adjusting bracket was kept away from to the mounting panel.

Above-mentioned utility model can only conveniently process the tight purpose of clamp to the camshaft of different length size at the tight in-process of camshaft processing frock, lack and carry out the tight measure of clamp to the camshaft of different bore size, above-mentioned utility model is pressing from both sides tight fixed effect when pressing from both sides tight fixed to the camshaft simultaneously poor, can not carry out axial and radial positioning betterly, and then reduced the clamping device's of centerless grinding machine camshaft processing frock practicality, therefore the clamping device who needs research and development a centerless grinding machine camshaft processing frock solves above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a clamping device of centerless grinder camshaft processing frock, through the design and the use of a series of structures, the utility model discloses in carrying out the use, can reach and carry out processing clamp tight measure to the camshaft of different bore sizes, improve simultaneously to the camshaft press from both sides when pressing from both sides tight fixed effect, can carry out axial and radial positioning betterly, and then improved the clamping device's of centerless grinder camshaft processing frock practicality.

The utility model discloses a following technical scheme realizes:

the clamping device comprises a bottom plate, wherein fixed plates are symmetrically arranged on the left side and the right side of the top of the bottom plate, bearing seats are symmetrically inserted in the fixed plates on the left side and the right side, a lead screw is installed in each bearing seat, the left side end of the lead screw is connected with the output end of a driving motor, the driving motor is installed on the left side of the fixed plates, nuts are screwed at threads on the left side and the right side of the lead screw, the nuts are inserted in a movable plate, slide rails are symmetrically arranged on the front side and the rear side of the top of the bottom plate, the bottom of the movable plate is connected with the slide rails in a sliding mode, first radial positioning mechanisms are symmetrically arranged on the left side and the right side of the inner side end of the movable plate, and second.

Preferably, the left side and the right side of the bottom plate are symmetrically provided with stabilizing blocks, and the stabilizing blocks are provided with mounting holes.

Preferably, the bearing in the bearing seat is connected with the lead screw in an interference manner, and the thread turning directions of the left side and the right side of the lead screw are opposite.

Preferably, the driving motor is a servo motor.

Preferably, the first radial mechanism comprises a fixing ring, compression springs and arc-shaped clamping plates, the fixing ring is symmetrically arranged at the inner side end of the moving plate at the left side and the right side, three groups of compression springs are symmetrically arranged at the upper side and the lower side of the inner side wall of the fixing ring respectively, the inner side end of each compression spring is connected with the corresponding arc-shaped clamping plate at the upper side and the lower side, and anti-slip silica gel pads are symmetrically arranged at the inner side ends of the arc-shaped clamping plates at the upper side.

Preferably, the second radial positioning mechanism includes the riser, drives actuating cylinder and locating piece, just bilateral symmetry is equipped with around the top middle part of bottom plate the riser, both sides around the upper portion symmetry of riser is pegged graft and is had drive actuating cylinder, both sides around the piston rod end symmetry that drives actuating cylinder is equipped with the locating piece, both sides around and the medial extremity symmetry of locating piece is equipped with anti-skidding silica gel pad.

Preferably, the device further comprises an external controller, and the controller is electrically connected with the driving motor and the driving cylinder respectively.

The utility model has the advantages that:

the utility model adopts the structure and design, can achieve the measure of processing and clamping the camshafts with different caliber sizes, and simultaneously improves the clamping and fixing effect when clamping and fixing the camshafts, and can better perform axial and radial positioning, thereby improving the practicability of the clamping device of the centerless grinder camshaft processing tool;

and the utility model discloses novel structure, reasonable in design, convenient to use has stronger practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a right side view of the present invention.

In the figure: the device comprises a base plate 1, a fixing plate 2, a bearing seat 3, a lead screw 4, a driving motor 5, a nut 6, a moving plate 7, a sliding rail 8, a first radial positioning mechanism 9, a fixing ring 91, a compression spring 92, an arc-shaped clamping plate 93, a second radial positioning mechanism 10, a vertical plate 101, a driving cylinder 102, a positioning block 103, a stabilizing block 11 and a mounting hole 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a clamping device of centerless grinder camshaft processing frock, comprising a base plate 1, the top left and right sides symmetry of bottom plate 1 is equipped with fixed plate 2, the symmetry is pegged graft on the left and right sides fixed plate 2 and is had bearing frame 3, install lead screw 4 in the bearing frame 3, the left side end of lead screw 4 links to each other with driving motor 5's output, driving motor 5 installs on left side fixed plate 2, the left and right sides screw thread department spiro union of lead screw 4 has nut 6, nut 6 pegs graft on movable plate 7, bilateral symmetry is equipped with slide rail 8 around the top of bottom plate 1, it links to each other to slide between the bottom of movable plate 7 and the slide rail 8, the medial extremity symmetry of left and right sides movable plate 7 is equipped with first radial positioning mechanism 9, bilateral symmetry is equipped with second.

Specifically, the left side and the right side of the bottom plate 1 are symmetrically provided with stabilizing blocks 11, and the stabilizing blocks 11 are provided with mounting holes 12.

Specifically, the bearing in the bearing seat 3 is connected with the lead screw 4 in an interference manner, and the thread turning directions of the left side and the right side of the lead screw 4 are opposite.

Specifically, the drive motor 5 is a servo motor.

Specifically, the first radial mechanism includes a fixing ring 91, compression springs 92 and arc-shaped clamping plates 93, the fixing ring 91 is symmetrically arranged at the inner side end of the left and right side moving plate 7, three groups of compression springs 92 are symmetrically arranged on the upper and lower sides of the inner side wall of the fixing ring 91 respectively, the inner side ends of the upper and lower compression springs 92 are connected with the arc-shaped clamping plates 93, and anti-skidding silica gel pads are symmetrically arranged on the inner side ends of the upper and lower arc-shaped clamping plates 93.

Specifically, the second radial positioning mechanism 10 includes a vertical plate 101, a driving cylinder 102 and positioning blocks 103, the vertical plate 101 is symmetrically arranged on the front side and the rear side of the middle portion of the top of the bottom plate 1, the driving cylinder 102 is symmetrically inserted into the upper portions of the front vertical plate 101 and the rear vertical plate 101, the positioning blocks 103 are symmetrically arranged on the piston rod ends of the front driving cylinder 102 and the rear driving cylinder 102, and anti-slip silica gel pads are symmetrically arranged on the inner side ends of the front positioning block 103 and the rear.

Specifically, the device further comprises an external controller, and the controller is electrically connected with the driving motor 5 and the driving cylinder 102 respectively.

The working principle is as follows: when the utility model is used, firstly, the driving motor 5 is controlled to work, the driving motor 5 drives the lead screw 4 to rotate, under the transmission action of the thread force between the lead screw 4 and the nut 6, the movable plates 7 at the left and the right sides are driven to mutually approach under the guidance of the slide rail 8, until the left and the right ends of the camshaft can be completely inserted into the first radial mechanism to be positioned in the vertical radial direction through the first radial mechanism, and the left and the right ends of the camshaft are butted, clamped and fixed with the movable plates 7 at the left and the right sides;

when the first radial mechanism is used, the end part of the camshaft is inserted into the inner cavity between the arc-shaped clamping plates 93 at the upper side and the lower side, the compression springs 92 arranged at the upper side and the lower side are extruded, and under the elastic action of the compression springs 92 at the upper side and the lower side, the arc-shaped clamping plates 93 at the upper side and the lower side are driven to clamp and fix the end part of the camshaft, and meanwhile, the purpose of clamping and fixing the camshafts with different calibers can be achieved;

then, the front and back radial directions of the camshaft are positioned and fixed through a second radial mechanism, namely, piston rods of driving cylinders 102 on the front and back sides are controlled to extend, positioning blocks 103 on the front and back sides are driven to position, fix and clamp the front and back sides of the camshaft, and the purpose of positioning and fixing the front and back radial directions of the camshaft is achieved;

the left side and the right side of the bottom plate 1 are symmetrically provided with the stabilizing blocks 11, and the stabilizing blocks 11 are provided with the mounting holes 12, so that the device can be conveniently and fixedly mounted, and the stability of the device in use is further improved; the anti-slip silica gel pads are symmetrically arranged at the inner side ends of the upper and lower arc-shaped clamping plates 93 and the inner side ends of the front and rear positioning blocks 103, so that the anti-slip capability can be further improved, the friction force is enhanced, and the clamping and fixing effects are further improved; the driving motor 5 is a servo motor, so that the rotating speed of the driving motor can be conveniently and accurately controlled, and the clamping and fixing effects are further improved;

further, under the design and the use of the structure, the utility model can achieve the measure of processing and clamping the camshafts with different caliber sizes in the using process, simultaneously improve the clamping and fixing effect when clamping and fixing the camshafts, can better perform axial and radial positioning, and further improve the practicability of the clamping device of the centerless grinder camshaft processing tool;

the control mode of above-mentioned driving motor 5 and driving electrical components such as cylinder 102 is controlled through the peripheral controller rather than supporting, and the model of peripheral controller is PLC, and control circuit can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, only uses it, does not improve it, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer detail is repeated control mode and circuit connection.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a clamping device of centerless grinder camshaft processing frock, includes bottom plate (1), its characterized in that: the left side and the right side of the top of the bottom plate (1) are symmetrically provided with a fixed plate (2), the left side and the right side of the fixed plate (2) are symmetrically inserted with bearing seats (3), a lead screw (4) is arranged in the bearing seat (3), the left end of the lead screw (4) is connected with the output end of a driving motor (5), the driving motor (5) is arranged on the left fixing plate (2), the left and right threads of the screw rod (4) are screwed with nuts (6), the nut (6) is inserted on the moving plate (7), the front side and the rear side of the top of the bottom plate (1) are symmetrically provided with slide rails (8), the bottom of the moving plate (7) is connected with the sliding rail (8) in a sliding way, the inner side ends of the moving plate (7) at the left side and the right side are symmetrically provided with a first radial positioning mechanism (9), and second radial positioning mechanisms (10) are symmetrically arranged on the front side and the rear side of the middle part of the top of the bottom plate (1).

2. The clamping device of the centerless grinder camshaft machining tool of claim 1, characterized in that: the left side and the right side of the bottom plate (1) are symmetrically provided with stabilizing blocks (11), and the stabilizing blocks (11) are provided with mounting holes (12).

3. The clamping device of the centerless grinder camshaft machining tool of claim 1, characterized in that: the bearing in the bearing seat (3) is connected with the lead screw (4) in an interference mode, and the thread turning directions of the left side and the right side of the lead screw (4) are opposite.

4. The clamping device of the centerless grinder camshaft machining tool of claim 1, characterized in that: the driving motor (5) is a servo motor.

5. The clamping device of the centerless grinder camshaft machining tool of claim 1, characterized in that: first radial mechanism is including solid fixed ring (91), compression spring (92) and arc splint (93), the left and right sides the medial extremity symmetry of movable plate (7) is equipped with gu fixed ring (91), gu both sides are symmetrical respectively about the inside wall of fixed ring (91) is equipped with three groups compression spring (92), and both sides from top to bottom the medial extremity of compression spring (92) with arc splint (93) link to each other, and upper and lower both sides the medial extremity symmetry of arc splint (93) is equipped with anti-skidding silica gel pad.

6. The clamping device of the centerless grinder camshaft machining tool of claim 5, characterized in that: the second radial positioning mechanism (10) comprises a vertical plate (101), a driving cylinder (102) and a positioning block (103), the vertical plate (101) and the front side and the rear side of the middle portion of the top of the bottom plate (1) are symmetrically arranged on the front side and the rear side of the middle portion of the top of the vertical plate (101), the upper portion of the vertical plate (101) is symmetrically inserted into the driving cylinder (102), the front side and the rear side of the piston rod end of the driving cylinder (102) are symmetrically arranged on the positioning block (103), and the front side and the rear side of the piston rod end of the positioning block.

7. The clamping device of the centerless grinder camshaft machining tool of claim 6, characterized in that: the device is characterized by further comprising an external controller, wherein the controller is electrically connected with the driving motor (5) and the driving cylinder (102) respectively.