CN111496585A - Automatic bar grinding machine - Google Patents
Automatic bar grinding machine Download PDFInfo
- Publication number
- CN111496585A CN111496585A CN202010319521.9A CN202010319521A CN111496585A CN 111496585 A CN111496585 A CN 111496585A CN 202010319521 A CN202010319521 A CN 202010319521A CN 111496585 A CN111496585 A CN 111496585A
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- CN
- China
- Prior art keywords
- feeding
- rail
- blanking
- bar stock
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
- B24B5/355—Feeding means
Abstract
The invention provides an automatic bar grinding machine which comprises a feeding assembly used for feeding bars, a rotary clamping mechanism used for receiving the bars on the feeding assembly and a grinding mechanism used for polishing and grinding the bars clamped on the rotary clamping mechanism, wherein the rotary clamping mechanism can receive the bars on the feeding assembly and convey the received bars to a grinding station of the grinding mechanism, and the grinding machine can realize rough machining of the bars.
Description
Technical Field
The invention relates to the field of bar part processing, in particular to an automatic bar grinding machine.
Background
The shaft (bar) part is one of typical parts frequently encountered in hardware fittings, is mainly used for supporting transmission parts, transmitting torque and bearing load, and can be generally divided into three types, namely an optical axis, a stepped axis and a special-shaped axis according to different structural forms of the shaft parts; or divided into a solid shaft, a hollow shaft, etc. The shaft parts are rotating body parts, the length of the shaft parts is larger than the diameter of the shaft parts, the shaft parts generally consist of an outer cylindrical surface, a conical surface, an inner hole, threads and corresponding end surfaces of a concentric shaft, the shaft parts can be divided into an optical axis, a stepped shaft, a hollow shaft, a crankshaft and the like according to different structural shapes, the shaft parts are machined and polished by corresponding numerical control equipment, the grinding process is complicated due to the fact that the curved surfaces of the shaft parts are cylindrical surfaces, the machining precision of a traditional numerical control machine tool is not easy to guarantee, manual proficiency and grinding allowance control are needed during polishing, the machining precision is not high, and production efficiency is reduced.
Disclosure of Invention
The invention aims to provide an automatic bar grinding machine aiming at the defects of the prior art, which can realize automatic rough grinding of bars without manual participation, improves the production efficiency and saves the labor cost.
In order to solve the above problems, the present invention provides the following technical solutions:
an automatic sander for bar stock, comprising:
the feeding assembly is used for feeding the bar stock;
a rotary clamping mechanism for receiving the bar stock on the feeding assembly;
the grinding mechanism is used for polishing and grinding the bar stock clamped on the rotary clamping mechanism, the rotary clamping mechanism can receive the bar stock on the feeding assembly and convey the received bar stock to a grinding station of the grinding mechanism,
it is characterized in that the preparation method is characterized in that,
the grinding mechanism includes:
a work table;
the grinding wheel is rotatably supported on the workbench through the XY sliding table, and the rotation axis of the grinding wheel is parallel to the axis of the bar positioned at the grinding station;
the positioning component is arranged on the workbench and used for positioning the bar stock during polishing, the positioning component comprises a support frame supported on the workbench, a sliding block supported on the support frame in a sliding mode and a positioning ejector pin fixed on the sliding block, the axis of the positioning ejector pin is coaxial with the bar stock during polishing, and the positioning ejector pin is located on the side opposite to the chuck relative to the bar stock.
Preferably, the blanking assembly comprises a blanking track supported on the second support platform, the blanking track is arranged at one end, close to the rotary clamping mechanism, of the second support platform, a first blanking cylinder is further arranged on the second support platform, the first blanking cylinder is arranged at one side, away from the rotary clamping mechanism, of the blanking track, a cylinder rod of the first blanking cylinder is parallel to the blanking track and extends towards the direction of the rotary clamping mechanism, when the ground bar is located on the blanking track, the axis of the cylinder rod of the first blanking cylinder is approximately coaxial with the bar, and an electromagnet is arranged at the end of the free end of the cylinder rod of the first blanking cylinder.
Preferably, a material moving track is arranged between the first discharging cylinder and the discharging track, an avoiding through hole is formed in the position, corresponding to the material moving track, on the second support table, the material moving track can move up and down and is aligned with the discharging track when moving up and down, and the highest position of the material moving track can be lower than the avoiding through hole.
Preferably, the unloading subassembly is still including setting up move orbital one side of edge axial of material be provided with the third unloading cylinder and be located the lower silo in the one side opposite with the third unloading cylinder for moving the material track, the cross-section of lower silo is the U type, the lower silo moves orbital direction extension of material along the perpendicular to, and the lower silo is close to the one end of second brace table higher for keeping away from the one end of second brace table be provided with the receiving port that is used for receiving the bar near moving orbital one side of material and corresponding the orbital position department of moving the material of lower silo, be located move the bar on the material track can enter into the lower silo through the receiving port.
Preferably, the feeding assembly comprises a feeding rail supported by a first support table, the cross section of the feeding rail is arc-shaped, the opening of the feeding rail faces upwards, one end of the feeding rail is an output port, the feeding rail is at least opened at one end of the output port, the bar stock can be output from the output port, the rotary clamping mechanism is arranged on one side of the output port and comprises a rotary indexing disc and a chuck supported on the output end of the rotary indexing disc, the chuck is rotatable relative to the output end of the rotary indexing disc, the rotation axis of the chuck is perpendicular to the rotation axis of the output end of the rotary indexing disc, the rotation axis of the output end of the rotary indexing disc is perpendicular to and intersected with the axis of the feeding rail, and the height of the rotation axis of the chuck is approximately the same as the height of the axis when the bar stock is located on the feeding rail.
Preferably, a feeding cylinder is arranged on one side of the feeding rail close to the end opposite to the output port, a cylinder rod of the feeding cylinder is parallel to the axis of the feeding rail and can extend to the position right above the feeding rail, and when viewed along the axial direction of the feeding rail, the cylinder rod of the feeding cylinder at least partially coincides with the bar stock on the feeding rail.
Preferably, be provided with the silo of going up in orbital one side of material loading, it is both ends open-ended U type groove to go up the silo, and the one end opening that is close to the material loading track is less than the one end opening of keeping away from the material loading track to the height that is close to the orbital one end open-ended bottom of material loading equals or is a little higher than the height of the corresponding side of material loading track.
Preferably, the material loading track is supported on first supporting platform through the sliding assembly, the sliding assembly includes the slide that supports on first supporting platform and extend along the axis of material loading track and the slide that supports on the slide slidable, the slide can slide along the orbital axis direction of material loading, the material loading track supports on the slide, the pay-off cylinder also supports the one end that deviates from the delivery outlet at the slide one side that is close to the material loading groove on the slide is provided with the baffle that extends along the moving direction of slide in order to open or close the one end that is close to the material loading track of material loading groove selectively.
Preferably, a pushing cylinder used for pushing the sliding plate to slide is arranged at one end, far away from the rotary clamping mechanism, of the slide way, and the pushing cylinder can enable the baffle plate to open or close one end, close to the feeding rail, of the feeding trough when the pushing cylinder extends or retracts.
Compared with the prior art, the invention has the following beneficial effects:
the automatic rough grinding machine can realize automatic rough grinding of bars.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a third schematic perspective view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a schematic perspective view of the loading assembly of the present invention;
FIG. 6 is a perspective view of the rotary clamping mechanism of the present invention;
FIG. 7 is a schematic perspective view of the grinding mechanism of the present invention;
FIG. 8 is a perspective view of the positioning assembly of the present invention;
FIG. 9 is a first schematic perspective view of the blanking assembly of the present invention;
FIG. 10 is a schematic perspective view of a blanking assembly according to the present invention;
Detailed Description
The following detailed description of specific embodiments of the present invention is made with reference to the accompanying drawings and examples:
as shown in fig. 1 to 10, an automatic bar material grinding machine includes a feeding assembly 1 for feeding a bar material 100, a rotary clamping mechanism 2 for receiving the bar material 100 on the feeding assembly 1, and a grinding mechanism 3 for polishing the bar material 100 clamped on the rotary clamping mechanism 2.
The feeding assembly 1 comprises a feeding rail 101 supported by a first support table 103, the section of the feeding rail 101 is arc-shaped, the opening of the feeding rail 101 faces upwards so that a bar stock can be placed in the feeding rail 101, an output port 106 is formed at one end of the feeding rail 101, the feeding rail 101 is at least opened at one end of the output port 106, and the bar stock 100 can be output from the output port 106.
The rotary clamping mechanism 2 is disposed on one side of the output port 106 to receive the bar 100 fed from the output port 106. Specifically, the rotary clamping mechanism 2 comprises a rotary indexing disc 203, a rotary disc 201 supported on the rotary indexing disc 203, an inverted U-shaped bracket 204 supported on the rotary disc 201, and a chuck 208 rotatably supported on the U-shaped bracket 204, wherein the rotation axis of the chuck 208 is horizontally arranged, and the rotation axis of the output end of the rotary indexing disc 203 is vertically arranged. Specifically, a connecting shaft 207 is arranged on one side of the chuck 208, which is away from the clamping jaws, the connecting shaft 207 is supported on the inverted U-shaped bracket 204 through two bearing seats 205, the connecting shaft 207 is connected with the bearing seats 205 through bearings, and the connecting shaft 207 and the chuck 208 are coaxially arranged. The axis of rotation of the output end of the rotary indexing disc 203 is perpendicular to and intersects the axis of the feeding track 101, and the height of the axis of rotation of the chuck 208 is approximately the same as the height of the axis of the bar 100 when it is on the feeding track 101 to ensure that the bar 100 can enter the jaws of the chuck 208 when the jaws are open. After the chuck 208 receives the bar stock 100 sent out by the feeding assembly 1, the bar stock 100 is moved to the position of the grinding mechanism 3 by the rotation of the rotary index plate 203, and the grinding mechanism 3 polishes or grinds the bar stock 100.
A rotating motor 206 is arranged between the inverted U-shaped bracket 204 and the turntable 201, the output end of the rotating motor 206 extends out from one side of the inverted U-shaped bracket 204, a main synchronizing wheel 210 is arranged at the output end of the rotating motor 206, an auxiliary synchronizing wheel 209 is arranged at one end, far away from the chuck 208, of the connecting shaft 207, and the main synchronizing wheel 210 and the auxiliary synchronizing wheel 209 are connected by a belt.
In order to feed the bar stock on the feeding rail 101 into the chuck 208, a feed cylinder 109 is provided on the side of the feeding rail 101 near the end opposite to the output port 106, a cylinder rod of the feed cylinder 109 is parallel to the axis of the feeding rail 101 and a cylinder rod of the feed cylinder 109 can extend right above the feeding rail 101, and preferably, the cylinder rod of the feed cylinder 109 is provided coaxially with the bar stock 100 on the feeding rail 101 and can push the bar stock 100 on the feeding rail 101 into the chuck 208 when the cylinder rod of the feed cylinder 109 is extended. The specification of the feeding cylinder 109, the length of the feeding rail 101, the diameter of the arc shape and the length of the first supporting table 103 can be set as required, and it is required to ensure that the bar 100 can be inserted into the chuck 208.
In order to increase the contact area, a push plate 108 is provided at the free end of the cylinder rod of the feed cylinder 109, and a cushion pad such as a rubber pad is provided on the side of the push plate 108 facing the bar 100, so that the impact between the feed cylinder 109 and the bar 100 can be reduced.
The feeding groove 105 is arranged on one side of the feeding track 101, the feeding groove 105 is a U-shaped groove with two open ends, one end opening close to the feeding track 101 is lower than one end opening far away from the feeding track 101, and the height of the bottom close to the one end opening of the feeding track 101 is equal to or slightly higher than the height of the corresponding side of the feeding track 101 so as to ensure that the bar 100 in the feeding groove 105 can automatically roll into the feeding track 101. The angle of inclination of the feeding channel 105 can be set to ensure that only one bar 100 can enter the feeding track 101 at a time.
The feeding track 101 is supported on the first supporting table 103 through a sliding assembly, the sliding assembly comprises a slide way 102 supported on the first supporting table 103 and extending along the axis of the feeding track 101, and a sliding plate 104 slidably supported on the slide way 102, the sliding plate 104 can slide along the axis direction of the feeding track 101, the feeding track 101 is supported on the sliding plate 104, and the feeding cylinder 109 is also supported at one end of the sliding plate 104, which is far away from the output port 106. Specifically, a sliding groove extending along the axial direction of the feeding rail 101 is provided on the sliding rail 102, a protrusion engaged with the sliding groove is provided on the sliding plate 104, and the sliding stability of the sliding plate 104 relative to the sliding rail 102 can be ensured by the sliding groove and the protrusion.
A baffle 110 for opening or closing one end of the feeding groove 105 close to the feeding rail 101 is arranged on the sliding plate 104, and the baffle 110 is arranged at one end of the sliding plate 104 close to the feeding cylinder 109 and close to one side of the feeding groove 105. After the sliding plate 104 slides for a distance in the direction away from the rotary clamping mechanism 2, the baffle 110 is staggered with the feeding groove 105, at this time, the bar stock 100 on the feeding groove 105 can enter the feeding track 101, and after the sliding plate 104 slides for a distance in the direction close to the rotary clamping mechanism 2, the baffle 110 is aligned with the feeding groove 105, so that the bar stock 100 on the feeding groove 105 cannot enter the feeding track 101.
A pushing cylinder 111 for pushing the sliding plate 104 to slide is arranged at one end of the slide way 102 far away from the rotary clamping mechanism 2, the sliding plate 104 can move back and forth through the pushing cylinder 111, when a cylinder rod of the pushing cylinder 111 extends, the baffle plate 110 can seal the opening of the feeding trough 105, and when the cylinder rod of the pushing cylinder 111 retracts, the baffle plate 110 is moved away from the opening of the feeding trough 105. Further, when the cylinder rod of the pushing cylinder 111 is retracted, the end of the shutter 110 close to the rotary clamping mechanism 2 is aligned with the side of the upper trough 105 far from the rotary clamping mechanism 2, so that the opening of the upper trough 105 close to the feeding rail 101 can be immediately closed when the pushing cylinder 111 is actuated.
The grinding mechanism 3 includes a table 31, and a rotatable grinding wheel 310 supported on the table 31 by an XY slide table. Specifically, the XY sliding table includes an X sliding table 311 supported on the worktable 31 and a Y sliding table 302 supported on a slider on the X sliding table 311, the grinding wheel 310 is supported on the slider of the Y sliding table 302 through a second support table 308, the slider on the X sliding table 311 can move back and forth along the axial direction perpendicular to the feeding rail 101, the slider on the Y sliding table 302 can move back and forth along the axial direction parallel to the feeding rail 101, and then the movement of the grinding wheel 310 can be driven to complete the radial feeding and the axial feeding when the bar stock 100 is ground.
Specifically, a drive motor 309 is mounted on the second support table 308, the grinding wheel 310 is mounted on an output shaft of the drive motor 309, a rotation axis of the grinding wheel 310 is parallel to a moving direction of the slider on the X-slide table 311, and the drive motor 309 is configured to drive rotation of the grinding wheel 310.
Further, a positioning component 4 for positioning the bar stock during grinding is also arranged on the workbench 31. The positioning assembly 4 comprises a support frame 407 supported on the worktable 31, a sliding block 403 slidably supported on the support frame 407, and a positioning thimble 401 fixed on the sliding block 403, wherein the axis of the positioning thimble 401 is coaxial with the bar 100 during grinding, the positioning thimble 401 is located on the opposite side of the chuck 208 relative to the bar 100, and one end of the positioning thimble 401 abuts against the opposite end of the bar 100 from the chuck 102 during grinding so as to support the bar 100.
Specifically, a sliding groove 408 parallel to the sliding direction of the sliding block 403 is provided on the supporting frame 407, and a protrusion engaged with the sliding groove 408 is provided on the sliding block 403 to realize the sliding of the sliding block 403 on the supporting frame 407.
A positioning cylinder 410 is arranged on the supporting frame 407 and on the side opposite to the rotary clamping mechanism 2 relative to the positioning thimble 401, the free end of the cylinder rod of the positioning cylinder 410 is fixed with the sliding block, and the axis of the cylinder rod is parallel to the sliding direction of the sliding block 403, so that one end of the bar stock 100 can be positioned during grinding by controlling the positioning cylinder 410.
Preferably, the rotation axis of the grinding wheel 310 is perpendicular to the axis of the feeding rail 101, the rotating clamping mechanism 2 moves the bar 100 from the feeding assembly 1 to the grinding mechanism 3, and the rotating indexing disc 203 rotates by 90 °.
Further, the automatic bar stock grinding machine further comprises a blanking assembly 5 for blanking the ground bar stock 100.
The blanking assembly 5 comprises a blanking track 502 supported on the second support platform 515, and the blanking track 502 is arranged at one end of the second support platform 515 close to the rotary clamping mechanism 2 and used for receiving the ground bar stock clamped on the open disc 203. In order to feed the ground bar stock 100 onto the blanking track 502, a first blanking cylinder 505 is further arranged on the second support stand 515, the first blanking cylinder 505 is arranged on the side of the blanking track 502 facing away from the rotary clamping mechanism 2, the cylinder rod of the first blanking cylinder 505 extends parallel to the blanking track 502 and in the direction of the rotary clamping mechanism 2, and the axis of the cylinder rod of the first blanking cylinder 505 is substantially coaxial with the bar stock 100 when the ground bar stock 100 is on the blanking track 502, and an electromagnet 506 is arranged at the end of the free end of the cylinder rod of the first blanking cylinder 505, and the bar stock can be moved along the blanking track 502 by means of the electromagnet drop 506.
A material moving track 503 is arranged between the first blanking cylinder 505 and the blanking track 502, an avoiding through hole 507 is arranged on the second support platform 515 corresponding to the material moving track 503, the material moving track 503 can move up and down, when moving up and down, the highest position of the material moving track 503 is aligned with the blanking track 502, the lowest position can ensure that the highest position of the bar positioned on the material moving track is lower than the avoiding through hole 507, when blanking, firstly, the blanking track 502 is aligned with the material moving track 503, the bar 100 is moved onto the material moving track 503 under the action of the first blanking cylinder 505, and the material moving track 503 moves downwards. In order to realize the up-and-down movement of the material moving track 503, a second blanking cylinder 508 is arranged on the second support platform 515, the second blanking cylinder 508 is arranged up and down, and the free end of the cylinder rod is fixedly connected with the material moving track 503.
In order to move out the bar stock on the material moving rail 503, a third blanking cylinder 510 is arranged on one side of the material moving rail 503 along the axial direction, when the material moving rail 503 is at the lowest position, the axis of the cylinder rod of the third blanking cylinder 510 is approximately coaxial with the axis of the bar stock on the material moving rail 503, and when the cylinder rod of the third blanking cylinder 510 extends, the bar stock on the material moving rail 503 can be ejected. In order to increase the contact area between the cylinder rod and the bar stock, a buffer plate 512 is arranged at the free end of the cylinder rod, and a buffer pad such as a rubber pad is arranged on one side of the buffer plate 512 facing the material moving rail 503.
The blanking assembly further comprises a blanking groove 504 which is arranged on the opposite side of the third blanking cylinder 510 relative to the material moving rail 503, the section of the blanking groove 504 is U-shaped, the blanking groove 504 extends along the direction perpendicular to the material moving rail 503, and one end of the blanking groove 504 close to the second support platform 515 is higher than the other end far away from the second support platform 515, so that the bar stock 100 can roll onto other structures along the blanking groove 504 after entering the blanking groove 504.
Specifically, a receiving opening 5041 for receiving the bar stock 100 is arranged at a position, corresponding to the material moving rail 503, of one side of the blanking groove 504 close to the material moving rail 503, and the size of the receiving opening 5041 is such that the bar stock on the material moving rail 503 can enter the blanking groove 504 through the receiving opening 5041 under the pushing of the third blanking cylinder 510.
Further, in order to ensure that the bar stock 100 does not fall down in the process of pulling the bar stock 100 by the electromagnet 506, the blanking track 502 can be arranged to move back and forth along the axis direction, so that when blanking, the blanking track 502 can extend below the bar stock 100 clamped on the chuck 208, the retraction speed of the electromagnet 506 and the blanking track 502 is controlled, and when the electromagnet 506 pulls the bar stock to move towards the material moving track 503, the blanking track 502 also retracts at the same speed, so that the bar stock 100 cannot fall down because the bar stock is supported by the blanking track 502. Preferably, the blanking rail 502 is moved back and forth along its axis by means of a pneumatic cylinder.
Further, the axis of the blanking track 502 is parallel to the axis of the feeding track 101 and at least located on the same vertical plane.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (9)
1. An automatic sander for bar stock, comprising:
the feeding assembly is used for feeding the bar stock;
a rotary clamping mechanism for receiving the bar stock on the feeding assembly;
the grinding mechanism is used for polishing and grinding the bar stock clamped on the rotary clamping mechanism, the rotary clamping mechanism can receive the bar stock on the feeding assembly and convey the received bar stock to a grinding station of the grinding mechanism,
it is characterized in that the preparation method is characterized in that,
the grinding mechanism includes:
a work table;
the grinding wheel is rotatably supported on the workbench through the XY sliding table, and the rotation axis of the grinding wheel is parallel to the axis of the bar positioned at the grinding station;
the positioning component is arranged on the workbench and used for positioning the bar stock during polishing, the positioning component comprises a support frame supported on the workbench, a sliding block supported on the support frame in a sliding mode and a positioning ejector pin fixed on the sliding block, the axis of the positioning ejector pin is coaxial with the bar stock during polishing, and the positioning ejector pin is located on the side opposite to the chuck relative to the bar stock.
2. The automatic grinding machine for the bar stock according to claim 1, wherein the blanking assembly comprises a blanking track supported on the second support platform, the blanking track is arranged at one end of the second support platform close to the rotary clamping mechanism, a first blanking cylinder is further arranged on the second support platform, the first blanking cylinder is arranged at one side of the blanking track, which is far away from the rotary clamping mechanism, a cylinder rod of the first blanking cylinder is parallel to the blanking track and extends towards the rotary clamping mechanism, the axis of the cylinder rod of the first blanking cylinder is approximately coaxial with the bar stock when the ground bar stock is positioned on the blanking track, and an electromagnet is arranged at the end of the free end of the cylinder rod of the first blanking cylinder.
3. The automatic grinding machine for bar stock according to claim 2, wherein a material moving rail is provided between the first material discharging cylinder and the material discharging rail, and an avoiding through hole is provided at a position on the second supporting table corresponding to the material moving rail, the material moving rail can move up and down and the highest position of the material moving rail is aligned with the material discharging rail when moving up and down, and the lowest position can ensure that the highest position of the bar stock thereon is lower than the avoiding through hole.
4. The automatic grinding machine for bar materials according to claim 3, wherein the blanking assembly further comprises a third blanking cylinder disposed on one axial side of the material moving rail and a blanking groove disposed on the opposite side of the material moving rail from the third blanking cylinder, the section of the blanking groove is U-shaped, the blanking groove extends along the direction perpendicular to the material moving rail, and one end of the blanking groove close to the second supporting table is higher than one end of the blanking groove far away from the second supporting table, a receiving opening for receiving bar materials is disposed on one side of the blanking groove close to the material moving rail and corresponding to the material moving rail, and bar materials on the material moving rail can enter the blanking groove through the receiving opening.
5. The automatic sander of claim 2, wherein the feeding assembly comprises a feeding rail supported by the first support table, the feeding rail having a circular cross section with an opening facing upward, and one end of the feeding track is an output port, the feeding track is at least provided with an opening at one end of the output port, the bar stock can be output from an output port, the rotary clamping mechanism is arranged on one side of the output port and comprises a rotary indexing disc and a chuck supported on the output end of the rotary indexing disc, the chuck is rotatable relative to the output end of the rotary indexing disk, the rotation axis of the chuck is vertical to the rotation axis of the output end of the rotary indexing disk, the rotary axis of the output end of the rotary indexing disc is perpendicular to and intersected with the axis of the feeding rail, and the height of the rotary axis of the chuck is approximately the same as that of the axis when the bar stock is positioned on the feeding rail.
6. An automatic grinding machine for bar stock according to claim 5, characterized in that a feed cylinder is arranged on the side of the feeding rail close to the end opposite to the output opening, the cylinder rod of the feed cylinder being parallel to the axis of the feeding rail and extending directly above the feeding rail, and the cylinder rod of the feed cylinder at least partially coincides with the bar stock on the feeding rail as viewed in the axial direction of the feeding rail.
7. The automatic grinding machine for the bar stock according to claim 6, characterized in that a feeding groove is arranged on one side of the feeding rail, the feeding groove is a U-shaped groove with two open ends, the opening of one end close to the feeding rail is lower than the opening of one end far away from the feeding rail, and the bottom of the opening of one end close to the feeding rail is equal to or slightly higher than the height of the corresponding side of the feeding rail.
8. An automatic sander for bar stock according to claim 7, wherein the feeding track is supported on the first support table by a sliding assembly, the sliding assembly comprises a slide rail supported on the first support table and extending along the axis of the feeding track, and a slide plate slidably supported on the slide rail, the slide plate can slide along the axis of the feeding track, the feeding track is supported on the slide plate, the feeding cylinder is also supported on the end of the slide plate facing away from the output port, and a baffle plate extending along the moving direction of the slide plate is provided on the side of the slide plate near the feeding trough to selectively open or close the end of the feeding trough near the feeding track.
9. The automatic grinding machine for bar stock according to claim 8, characterized in that a pushing cylinder is provided at the end of the chute far from the rotary clamping mechanism for pushing the sliding plate to slide, and the pushing cylinder can make the baffle plate open or close the end of the feeding chute near the feeding rail when the pushing cylinder is extended or retracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319521.9A CN111496585A (en) | 2019-03-31 | 2019-03-31 | Automatic bar grinding machine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319521.9A CN111496585A (en) | 2019-03-31 | 2019-03-31 | Automatic bar grinding machine |
| CN201910254298.1A CN109848772A (en) | 2019-03-31 | 2019-03-31 | A kind of bar automatic sander and loading assemblies |
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