CN211028392U

CN211028392U - Shaft workpiece processing equipment with clamping device

Info

Publication number: CN211028392U
Application number: CN201921792139.9U
Authority: CN
Inventors: 李敏; 朱兵
Original assignee: Changzhou Xinheli Precision Machinery Co ltd
Current assignee: Changzhou Xinheli Precision Machinery Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-17
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses an axle type work piece processing equipment with clamping device belongs to machining equipment technical field, its technical scheme main points are, which comprises a base, feed mechanism has set gradually on the base, fixture and unloading mechanism, fixture's both sides all are provided with the grinding cutter, fixture includes the supplementary centre gripping subassembly of triangle chuck and being located triangle chuck both sides, every supplementary centre gripping subassembly includes solid fixed ring, a plurality of positioning hole have evenly been seted up on solid fixed ring's the circumference, every positioning hole female connection has the reference column, the one end that positioning hole was stretched into to the reference column has connected gradually buffer spring and spacing post, the one end that buffer spring was kept away from to every spacing post all inlays and is equipped with the ball. The workpiece can be fixed more firmly, and the force applied on the workpiece can be dispersed, so that the damage of the surface of the workpiece can be reduced, and the surface precision of the workpiece can be improved. The utility model is suitable for a design of axle type work piece processing equipment.

Description

Shaft workpiece processing equipment with clamping device

Technical Field

The utility model belongs to the technical field of machining equipment technique and specifically relates to an axle type work piece processing equipment with clamping device is related to.

Background

At present, shaft workpieces are widely applied in industry, and are also common workpieces in the market at present. When the shaft workpieces are machined, firstly, the shaft workpieces are loaded through the loading device, then the shaft workpieces are fixed through the fixing device, secondly, the shaft workpieces are ground through the cutter, and finally, the machined shaft workpieces are collected through the unloading device. Before machining, a workpiece needs to be manually clamped through a clamp, then a machine tool is started to machine the shaft parts, and after machining, the machine tool is stopped, and the machined workpiece is taken down.

Commonly used triangle chuck includes chuck body, one-level gear and secondary gear, the terminal surface of one-level gear is provided with the plane screw thread, evenly be connected with a plurality of jack catchs on the plane screw thread, it is a plurality of the jack catch all is connected with dustproof end cover, one-level gear sleeve locates on the chuck body to one-level gear has the one side court of plane screw thread the chuck body sets up, the secondary gear sets up to a plurality ofly, a plurality of the secondary gear respectively even with the secondary gear meshing sets up.

The above prior art solutions have the following drawbacks: when the shaft workpieces are manually clamped through the clamp, the shaft workpieces are ground, and the shaft workpieces are easily shaken when the clamp clamps the shaft workpieces too loose, so that the surface precision of the shaft workpieces is easily reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an axle type work piece processing equipment with clamping device has the effect that improves the surface accuracy of axle type work piece processing.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an axle type work piece processing equipment with clamping device, includes the base, feed mechanism, fixture and unloading mechanism have set gradually on the base, fixture's both sides all are provided with the grinding cutter, fixture includes triangle chuck and the supplementary centre gripping subassembly that is located triangle chuck both sides, every supplementary centre gripping subassembly includes solid fixed ring, a plurality of positioning hole have evenly been seted up on solid fixed ring's the circumference, every positioning hole female connection has the reference column, the reference column stretches into positioning hole's one end has connected gradually buffer spring and spacing post, every spacing post is kept away from buffer spring's one end all inlays and is equipped with the ball.

Through adopting above-mentioned technical scheme, the work piece that will process carries out the material loading through feed mechanism, then press from both sides tightly through fixture, after the work piece that will process presss from both sides tightly, grind through grinding cutter, consequently, all be provided with grinding cutter in fixture's both sides, consequently when the one end of work piece is ground to needs, only need open the grinding cutter of one side, when needs carry out the grinding to the both ends of work piece, can all open two grinding cutter, thereby can improve the machining efficiency of work piece, the work piece that the processing was accomplished passes through the unloading of unloading mechanism and collects. A workpiece to be machined is clamped through the triangular chuck, the positioning column is rotated, and then the limiting column is contacted with the surface of the workpiece. Due to the arrangement of the buffer spring, the buffer effect can be achieved in the process of clamping through the limiting column, on one hand, a workpiece can be fixed more firmly, on the other hand, the force applied to the workpiece can be dispersed, so that the damage to the surface of the workpiece can be reduced, and the surface precision of the workpiece can be ensured.

The utility model discloses further set up to, gu the fixed ring goes up the cover and is equipped with the rotating ring, the rotating ring is close to the one side of reference column is provided with plane screw thread, every the reference column all with the terminal surface threaded connection of rotating ring.

Through adopting above-mentioned technical scheme, because reference column and rotation ring set up to threaded connection, consequently rotate the reference column that the rotation ring can drive solid fixed ring and rotate together to each side that can make the work piece all receives equal extrusion, thereby can make the location of work piece more accurate.

The utility model discloses further set up to, the outer circumference of rotating the ring has evenly seted up the awl tooth, the meshing of rotating the ring is provided with drive gear, drive gear rotate connect in on the base, drive gear is connected with one-level step motor.

By adopting the technical scheme, when a workpiece needs to be clamped, the first-stage stepping motor is started, and then the output shaft of the first-stage stepping motor rotates to drive the transmission gear to rotate, so that the rotating ring can rotate, the positioning column can be driven to rotate, and the workpiece is clamped. When the machined workpiece needs to be loosened, the primary stepping motor is reversed.

The utility model discloses further set up to, buffer spring is provided with a plurality ofly, and is a plurality of buffer spring evenly sets up the reference column with between the spacing post.

Through adopting above-mentioned technical scheme, set up a plurality of buffer spring, can improve buffer spring's resilience force to can make can disperse the power of exerting on the work piece, thereby can reduce the damage to the work piece surface, thereby can ensure the surface accuracy of work piece.

The utility model discloses further set up to, feed mechanism includes material loading rack and material loading cylinder, the material loading rack with base sliding connection, the material loading cylinder is fixed in on the lateral wall of base tip, unloading mechanism includes the unloading rack, fixture's both sides all are provided with the mount, every be provided with the removal subassembly in the mount respectively, material loading rack and homonymy grinding cutter and unloading rack and homonymy grinding cutter passes through respectively remove subassembly sliding connection in homonymy on the mount.

Through adopting above-mentioned technical scheme, place the work piece on the material loading rack, through the material loading cylinder with the work piece on the material loading rack towards fixture's position propelling movement to can be with inside work piece propelling movement to fixture, then press from both sides tightly the work piece that needs processing through fixture. Then move the grinding cutter to the processing region through removing the subassembly, then grind the work piece, after the work piece grinding is accomplished, unclamp fixture, remove material loading rack, fixture and unloading rack to same straight line position through removing the subassembly. The workpiece which is not ground is placed on the feeding placing frame, then the workpiece on the feeding placing frame is pushed towards the position of the clamping mechanism through the feeding air cylinder, and the workpiece in the clamping mechanism can be pushed to the discharging placing frame.

The utility model discloses further set up to, every the spout has all been seted up on the mount, the spout perpendicular to the length direction of base is seted up, it includes the screw rod to remove the subassembly, material loading rack and homonymy grinding tool and unloading rack and homonymy grinding tool wears to locate the homonymy respectively in the spout, and material loading rack and homonymy grinding tool and unloading rack and homonymy grinding tool overlaps respectively and locates the homonymy on the screw rod, every all be provided with second grade step motor on the screw rod.

By adopting the technical scheme, the forward rotation and the reverse rotation of the second-stage stepping motor can drive the screw rod to rotate through the rotation of the output shaft of the second-stage stepping motor, so that the feeding placing frame, the grinding tools on the same side, the discharging placing frame and the grinding tools on the same side can slide in the chutes on the same side.

The utility model discloses further set up to, unloading mechanism still includes the unloading cylinder, the unloading cylinder is fixed in on the lateral wall of base, wear to be equipped with the conveyer belt on the base, the conveyer belt with the unloading rack is located same height, the end fixing of the telescopic link of unloading cylinder has the scraper blade, axle type work piece has been placed on the unloading rack, the scraper blade with axle type work piece is close to the tip contact of triangle chuck.

Through adopting above-mentioned technical scheme, the axle type work piece of placing on the unloading rack is through the scraper blade above the unloading cylinder with axle type work piece push belt conveyer belt on to can convey axle type work piece to collection department through the conveyer belt.

The utility model discloses further set up to, the conveyer belt is kept away from the one end of unloading cylinder is connected with the work piece and collects the frame, the bottom plate slope setting of frame is collected to the work piece, and the bottom plate that the frame was collected to the work piece sets up to wavy notch cuttype.

Through adopting above-mentioned technical scheme, set up the work piece and collect the frame, can be convenient for collect the work piece that processing was accomplished. The workpiece collecting frame is obliquely arranged, workpieces can be quickly collected, and in order to reduce damage to the shaft workpieces caused by collision, the bottom plate of the workpiece collecting frame is arranged to be of a stepped type, so that the speed of the shaft workpieces in the workpiece collecting frame in a rolling-off belt can be reduced, and the damage is reduced.

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

1. through the arrangement of the auxiliary clamping assembly, the workpiece can be fixed more firmly, the force applied to the workpiece can be dispersed, the damage to the surface of the workpiece is reduced, and the surface precision of the workpiece can be ensured;

2. through the arrangement of the rotating ring, the transmission gear and the primary stepping motor, all directions of the workpiece can be equally extruded, so that the workpiece can be positioned more accurately, and the machining precision of the shaft workpiece is improved;

3. through the workpiece collecting frame, the bottom plate of the workpiece collecting frame is arranged to be in a wavy step shape, the speed of the shaft workpieces in the workpiece collecting frame in a rolling-off belt can be reduced, and the surface damage effect of the shaft workpieces is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of a shaft-like workpiece processing apparatus according to an embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

FIG. 4 is a diagram illustrating a structure of a workpiece collection box according to one embodiment.

Fig. 5 is a schematic view of a structure of a clamping device according to an embodiment.

Fig. 6 is a schematic view of a structure of a clamping device according to an embodiment.

Fig. 7 is a partially enlarged schematic view of a portion C in fig. 6.

In the figure, 1, a base; 2. a feeding mechanism; 21. a feeding placing rack; 22. a feeding cylinder; 3. a clamping mechanism; 31. a triangular chuck; 32. an auxiliary clamping assembly; 321. a fixing ring; 322. positioning the through hole; 323. a positioning column; 324. a buffer spring; 325. a limiting column; 326. a ball bearing; 33. rotating the circular ring; 331. a planar thread; 332. conical teeth; 333. a transmission gear; 334. a first-stage stepping motor; 4. a blanking mechanism; 41. placing a blanking rack; 42. a blanking cylinder; 43. a conveyor belt; 44. a squeegee; 5. grinding the cutter; 6. a fixed mount; 7. a moving assembly; 71. a chute; 72. a screw; 73. a secondary stepping motor; 8. shaft workpieces; 9. and a workpiece collection frame.

Detailed Description

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

Referring to fig. 1 and 2, the utility model discloses an axle type work piece processing equipment with clamping device, including base 1, feed mechanism 2 has set gradually on the base 1, fixture 3 and unloading mechanism 4, feed mechanism 2 is including setting up in the material loading rack 21 and the material loading cylinder 22 of same height, material loading rack 21 and 1 sliding connection of base, material loading cylinder 22 is fixed in on the lateral wall of 1 tip of base, axle type work piece 8 (as shown in fig. 3) has been placed on material loading rack 21, work piece towards fixture 3's position propelling movement above the material loading rack 21 through material loading cylinder 22, thereby can be with 8 propelling movements of axle type work piece to fixture 3 inside, then press from both sides tightly the axle type work piece 8 that will process through fixture 3. The grinding cutters 5 are arranged on the two sides of the clamping mechanism 3, the shaft workpiece 8 to be clamped is ground through the grinding cutters 5, when one end of the shaft workpiece 8 needs to be ground, only the grinding cutter 5 on one side needs to be opened, when the two ends of the shaft workpiece 8 need to be ground, the two grinding cutters 5 can be opened, and therefore the machining efficiency of the shaft workpiece 8 can be improved.

Referring to fig. 3 and 4, the blanking mechanism 4 includes a blanking rack 41 and a blanking cylinder 42, the blanking cylinder 42 is fixed on the side wall of the base 1, a conveyor belt 43 penetrates through the base 1, the conveyor belt 43 and the blanking rack 41 are located at the same height, a scraper 44 is fixed at the end of a telescopic rod of the blanking cylinder 42, and the scraper 44 contacts with the end of the machined shaft workpiece 8 close to the triangular chuck 31. After the shaft workpiece 8 is ground, the clamping mechanism 3 is loosened, and the feeding placing frame 21, the clamping mechanism 3 and the discharging placing frame 41 are moved to the same straight line position. The shaft-type workpieces 8 which are not ground are placed on the feeding placing frame 21, then the shaft-type workpieces 8 which are not ground on the feeding placing frame 21 are pushed to the position of the clamping mechanism 3 through the feeding air cylinder 22, and then the workpieces inside the clamping mechanism 3 can be pushed to the feeding placing frame 41. The shaft workpieces 8 placed on the blanking placing rack 41 push the shaft workpieces 8 to the conveying belt 43 through the scraper 44 on the blanking cylinder 42. One end of the conveying belt 43, which is far away from the blanking cylinder 42, is connected with a workpiece collecting frame 9, and the workpiece collecting frame 9 can be used for collecting the machined shaft workpieces 8 conveniently. The bottom plate of the workpiece collecting frame 9 is obliquely arranged, so that the shaft workpieces 8 can be quickly collected. In order to reduce the damage caused by collision of the shaft workpieces 8 during collection, the bottom plate of the workpiece collection frame 9 is set to be of a wavy step shape, so that the rolling speed of the shaft workpieces 8 in the workpiece collection frame 9 can be reduced, and the damage is reduced.

Referring to fig. 5 to 7, the clamping mechanism 3 includes a triangular chuck 31 and auxiliary clamping assemblies 32 located on both sides of the triangular chuck 31, and clamps the shaft-like workpiece 8 by the triangular chuck 31 first, and then clamps the shaft-like workpiece 8 again by the auxiliary clamping assemblies 32 so as to fix the shaft-like workpiece 8 more firmly. Each auxiliary clamping assembly 32 comprises a fixing ring 321, a plurality of positioning through holes 322 are uniformly formed in the circumference of the fixing ring 321, each positioning through hole 322 is connected with a positioning column 323 in an internal thread mode, one end, extending into the positioning through hole 322, of each positioning column 323 is sequentially connected with a buffer spring 324 and a limiting column 325, the positioning columns 323 are rotated, and then the surfaces of the limiting columns 325 and the shaft workpieces 8 are in contact clamping. Due to the arrangement of the buffer spring 324, in the process of clamping through the limiting column 325, the shaft workpiece 8 can be buffered, the force applied to the workpiece can be dispersed, the damage to the surface of the shaft workpiece 8 can be reduced, and the surface precision of the workpiece can be ensured. In order to facilitate the rotation of the shaft workpiece 8, a ball 326 is embedded at one end of each limiting column 325 away from the buffer spring 324. In order to increase the resilience of the buffer spring 324, a plurality of buffer springs 324 are provided, and the plurality of buffer springs 324 are uniformly disposed between the positioning column 323 and the stopper column 325.

Referring to fig. 5, in order to enable each position of the workpiece to receive equal extrusion force, a rotating ring 33 is sleeved on the fixing ring 321, a plane thread 331 is arranged on one surface of the rotating ring 33 close to the positioning column 323, each positioning column 323 is in threaded connection with an end surface of the rotating ring 33, the rotating ring 33 can drive the positioning column 323 on the fixing ring 321 to rotate together, that is, the positioning columns 323 on the fixing ring 321 can all act simultaneously, and thus the positioning of the shaft type workpiece 8 can be more accurate. In order to reduce labor force, a plurality of conical teeth 332 are uniformly arranged on the outer circumference of the rotating ring 33, a transmission gear 333 is meshed with the rotating ring 33, the transmission gear 333 is rotatably connected to the base 1, and the transmission gear 333 is connected with a first-stage stepping motor 334. When the shaft workpiece 8 is clamped, the first-stage stepping motor 334 is started, and then the output shaft of the first-stage stepping motor 334 rotates to drive the transmission gear 333 to rotate, so that the rotating ring 33 can rotate, the positioning column 323 can be driven to rotate, and the shaft workpiece 8 is clamped. When the machined shaft workpiece 8 needs to be loosened, the primary stepping motor 334 is rotated reversely.

Referring to fig. 2, in order to facilitate the effective implementation of the loading and unloading and the grinding process, fixing frames 6 are disposed on two sides of the clamping mechanism 3, a sliding groove 71 is disposed on each fixing frame 6, and the sliding groove 71 is perpendicular to the length direction of the base 1. In order to facilitate that the loading rack 21, the unloading rack 41 and the grinding tool 5 can move in the same sliding groove 71. The movable assemblies 7 are respectively arranged in each fixing frame 6, the feeding placing frame 21, the grinding tool 5 on the same side, the discharging placing frame 41 and the grinding tool 5 on the same side are respectively connected to the fixing frame 6 on the same side in a sliding mode through the movable assemblies 7, the grinding tool 5 is moved to a machining area through the movable assemblies 7, and then a workpiece is ground. The moving assembly 7 comprises screw rods 72, the feeding placing frame 21, the grinding tools 5 on the same side, the discharging placing frame 41 and the grinding tools 5 on the same side penetrate through the chutes 71 on the same side, the feeding placing frame 21, the grinding tools 5 on the same side, the discharging placing frame 41 and the grinding tools 5 on the same side are sleeved on the screw rods 72 on the same side, and each screw rod 72 is provided with a secondary stepping motor 73. Through the forward rotation and the reverse rotation of the second-stage stepping motor 73, the screw 72 can be driven to rotate through the rotation of the output shaft of the second-stage stepping motor 73, so that the feeding placing frame 21, the grinding tools 5 on the same side, the discharging placing frame 41 and the grinding tools 5 on the same side can slide in the sliding grooves 71 on the same side.

The implementation principle of the above embodiment is as follows: the shaft-type workpieces 8 are placed on the feeding placing frame 21, and the non-ground shaft-type workpieces 8 on the feeding placing frame 21 are pushed to the position of the clamping mechanism 3 through the feeding air cylinder 22, so that the non-ground shaft-type workpieces 8 can be pushed into the clamping mechanism 3. The shaft type workpiece 8 which is not ground is firstly clamped through the triangular chuck 31, then the first-stage stepping motor 334 is started, and then the transmission gear 333 is driven to rotate through the rotation of the output shaft of the first-stage stepping motor 334, so that the rotating ring 33 can be driven to rotate, the positioning column 323 can be driven to rotate, and the shaft type workpiece 8 which is not ground is clamped. Then the feeding placing frame 21 and the grinding tool 5 on the same side as well as the discharging placing frame 41 and the grinding tool 5 on the same side are respectively connected to the fixing frame 6 on the same side in a sliding mode through the moving assembly 7, the grinding tool 5 is moved to a processing area through the moving assembly 7, and then the shaft-type workpiece 8 which is not ground is ground. After the shaft workpiece 8 is ground, the clamping mechanism 3 is loosened, and the feeding placing frame 21, the clamping mechanism 3 and the discharging placing frame 41 are moved to the same straight line position. The shaft workpieces 8 which are not ground are placed on the feeding placing frame 21, then the shaft workpieces 8 on the feeding placing frame 21 are pushed towards the positions of the clamping mechanisms 3 through the feeding air cylinders 22, the shaft workpieces 8 inside the clamping mechanisms 3 can be pushed to the feeding placing frame 41, then the shaft workpieces 8 which are ground are pushed to the conveying belt 43 through the scraping plates 44 on the feeding air cylinders 42, and finally the shaft workpieces 8 which are ground are collected through the workpiece collecting frame 9.

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 an axle type work piece processing equipment with clamping device, includes base (1), feed mechanism (2), fixture (3) and unloading mechanism (4) have set gradually on base (1), the both sides of fixture (3) all are provided with grinding tool (5), its characterized in that: fixture (3) include triangle chuck (31) and be located supplementary centre gripping subassembly (32) of triangle chuck (31) both sides, every supplementary centre gripping subassembly (32) all include solid fixed ring (321), a plurality of positioning hole (322), every have evenly been seted up on the circumference of solid fixed ring (321) positioning hole (322) female connection has reference column (323), reference column (323) stretch into the one end of positioning hole (322) has connected gradually buffer spring (324) and spacing post (325), every spacing post (325) are kept away from the one end of buffer spring (324) all inlays and is equipped with ball (326).

2. The shaft workpiece processing equipment with the clamping device as set forth in claim 1, wherein: gu fixed ring (321) are gone up the cover and are equipped with rotation ring (33), rotation ring (33) are close to the one side of reference column (323) is provided with plane screw thread (331), every reference column (323) all with the terminal surface threaded connection who rotates ring (33).

3. The shaft workpiece processing equipment with the clamping device as set forth in claim 2, wherein: conical teeth (332) are uniformly formed in the outer circumference of the rotating circular ring (33), a transmission gear (333) is meshed with the rotating circular ring (33), the transmission gear (333) is rotatably connected to the base (1), and the transmission gear (333) is connected with a one-stage stepping motor (334).

4. The shaft workpiece processing equipment with the clamping device as set forth in claim 1, wherein: the buffer springs (324) are arranged in a plurality, and the buffer springs (324) are uniformly arranged between the positioning column (323) and the limiting column (325).

5. The shaft workpiece processing equipment with the clamping device as set forth in claim 1, wherein: feeding mechanism (2) are including material loading rack (21) and material loading cylinder (22), material loading rack (21) with base (1) sliding connection, material loading cylinder (22) are fixed in on the lateral wall of base (1) tip, unloading mechanism (4) are including unloading rack (41), the both sides of fixture (3) all are provided with mount (6), every be provided with removal subassembly (7) in mount (6) respectively, material loading rack (21) and homonymy grinding tool (5) and unloading rack (41) and homonymy grinding tool (5) pass through respectively removal subassembly (7) sliding connection is in homonymy on mount (6).

6. The shaft workpiece processing equipment with the clamping device as set forth in claim 5, wherein: every spout (71) have all been seted up on mount (6), spout (71) perpendicular to the length direction of base (1) is seted up, remove subassembly (7) and include screw rod (72), material loading rack (21) and homonymy grinding tool (5) and unloading rack (41) and homonymy grinding tool (5) wear to locate the homonymy respectively in spout (71), and material loading rack (21) and homonymy grinding tool (5) and unloading rack (41) and homonymy grinding tool (5) overlap respectively and locate the homonymy on screw rod (72), every all be provided with second grade step motor (73) on screw rod (72).

7. The shaft workpiece processing equipment with the clamping device as set forth in claim 5, wherein: unloading mechanism (4) still include unloading cylinder (42), unloading cylinder (42) are fixed in on the lateral wall of base (1), wear to be equipped with conveyer belt (43) on base (1), conveyer belt (43) with unloading rack (41) are located same height, the end fixing of the telescopic link of unloading cylinder (42) has scraper blade (44), axle type work piece (8) have been placed on unloading rack (41), scraper blade (44) with axle type work piece (8) are close to the tip contact of triangle chuck (31).

8. The shaft workpiece processing equipment with the clamping device as set forth in claim 7, wherein: keep away from conveyer belt (43) the one end of unloading cylinder (42) is connected with work piece collection frame (9), the bottom plate slope setting of work piece collection frame (9), and the bottom plate of work piece collection frame (9) sets up to wavy notch cuttype.